2 * Copyright(c) 2015, 2016 Intel Corporation.
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of version 2 of the GNU General Public License as
11 * published by the Free Software Foundation.
13 * This program is distributed in the hope that it will be useful, but
14 * WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
20 * Redistribution and use in source and binary forms, with or without
21 * modification, are permitted provided that the following conditions
24 * - Redistributions of source code must retain the above copyright
25 * notice, this list of conditions and the following disclaimer.
26 * - Redistributions in binary form must reproduce the above copyright
27 * notice, this list of conditions and the following disclaimer in
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30 * - Neither the name of Intel Corporation nor the names of its
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32 * from this software without specific prior written permission.
34 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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40 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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43 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
49 * This file contains all of the code that is specific to the HFI chip
52 #include <linux/pci.h>
53 #include <linux/delay.h>
54 #include <linux/interrupt.h>
55 #include <linux/module.h>
68 #define NUM_IB_PORTS 1
71 module_param_named(kdeth_qp, kdeth_qp, uint, S_IRUGO);
72 MODULE_PARM_DESC(kdeth_qp, "Set the KDETH queue pair prefix");
74 uint num_vls = HFI1_MAX_VLS_SUPPORTED;
75 module_param(num_vls, uint, S_IRUGO);
76 MODULE_PARM_DESC(num_vls, "Set number of Virtual Lanes to use (1-8)");
79 * Default time to aggregate two 10K packets from the idle state
80 * (timer not running). The timer starts at the end of the first packet,
81 * so only the time for one 10K packet and header plus a bit extra is needed.
82 * 10 * 1024 + 64 header byte = 10304 byte
83 * 10304 byte / 12.5 GB/s = 824.32ns
85 uint rcv_intr_timeout = (824 + 16); /* 16 is for coalescing interrupt */
86 module_param(rcv_intr_timeout, uint, S_IRUGO);
87 MODULE_PARM_DESC(rcv_intr_timeout, "Receive interrupt mitigation timeout in ns");
89 uint rcv_intr_count = 16; /* same as qib */
90 module_param(rcv_intr_count, uint, S_IRUGO);
91 MODULE_PARM_DESC(rcv_intr_count, "Receive interrupt mitigation count");
93 ushort link_crc_mask = SUPPORTED_CRCS;
94 module_param(link_crc_mask, ushort, S_IRUGO);
95 MODULE_PARM_DESC(link_crc_mask, "CRCs to use on the link");
98 module_param_named(loopback, loopback, uint, S_IRUGO);
99 MODULE_PARM_DESC(loopback, "Put into loopback mode (1 = serdes, 3 = external cable");
101 /* Other driver tunables */
102 uint rcv_intr_dynamic = 1; /* enable dynamic mode for rcv int mitigation*/
103 static ushort crc_14b_sideband = 1;
104 static uint use_flr = 1;
105 uint quick_linkup; /* skip LNI */
108 u64 flag; /* the flag */
109 char *str; /* description string */
110 u16 extra; /* extra information */
115 /* str must be a string constant */
116 #define FLAG_ENTRY(str, extra, flag) {flag, str, extra}
117 #define FLAG_ENTRY0(str, flag) {flag, str, 0}
119 /* Send Error Consequences */
120 #define SEC_WRITE_DROPPED 0x1
121 #define SEC_PACKET_DROPPED 0x2
122 #define SEC_SC_HALTED 0x4 /* per-context only */
123 #define SEC_SPC_FREEZE 0x8 /* per-HFI only */
125 #define DEFAULT_KRCVQS 2
126 #define MIN_KERNEL_KCTXTS 2
127 #define FIRST_KERNEL_KCTXT 1
128 /* sizes for both the QP and RSM map tables */
129 #define NUM_MAP_ENTRIES 256
130 #define NUM_MAP_REGS 32
132 /* Bit offset into the GUID which carries HFI id information */
133 #define GUID_HFI_INDEX_SHIFT 39
135 /* extract the emulation revision */
136 #define emulator_rev(dd) ((dd)->irev >> 8)
137 /* parallel and serial emulation versions are 3 and 4 respectively */
138 #define is_emulator_p(dd) ((((dd)->irev) & 0xf) == 3)
139 #define is_emulator_s(dd) ((((dd)->irev) & 0xf) == 4)
144 #define IB_PACKET_TYPE 2ull
145 #define QW_SHIFT 6ull
147 #define QPN_WIDTH 7ull
149 /* LRH.BTH: QW 0, OFFSET 48 - for match */
150 #define LRH_BTH_QW 0ull
151 #define LRH_BTH_BIT_OFFSET 48ull
152 #define LRH_BTH_OFFSET(off) ((LRH_BTH_QW << QW_SHIFT) | (off))
153 #define LRH_BTH_MATCH_OFFSET LRH_BTH_OFFSET(LRH_BTH_BIT_OFFSET)
154 #define LRH_BTH_SELECT
155 #define LRH_BTH_MASK 3ull
156 #define LRH_BTH_VALUE 2ull
158 /* LRH.SC[3..0] QW 0, OFFSET 56 - for match */
159 #define LRH_SC_QW 0ull
160 #define LRH_SC_BIT_OFFSET 56ull
161 #define LRH_SC_OFFSET(off) ((LRH_SC_QW << QW_SHIFT) | (off))
162 #define LRH_SC_MATCH_OFFSET LRH_SC_OFFSET(LRH_SC_BIT_OFFSET)
163 #define LRH_SC_MASK 128ull
164 #define LRH_SC_VALUE 0ull
166 /* SC[n..0] QW 0, OFFSET 60 - for select */
167 #define LRH_SC_SELECT_OFFSET ((LRH_SC_QW << QW_SHIFT) | (60ull))
169 /* QPN[m+n:1] QW 1, OFFSET 1 */
170 #define QPN_SELECT_OFFSET ((1ull << QW_SHIFT) | (1ull))
172 /* defines to build power on SC2VL table */
184 ((u64)(sc0val) << SEND_SC2VLT##num##_SC##sc0##_SHIFT) | \
185 ((u64)(sc1val) << SEND_SC2VLT##num##_SC##sc1##_SHIFT) | \
186 ((u64)(sc2val) << SEND_SC2VLT##num##_SC##sc2##_SHIFT) | \
187 ((u64)(sc3val) << SEND_SC2VLT##num##_SC##sc3##_SHIFT) | \
188 ((u64)(sc4val) << SEND_SC2VLT##num##_SC##sc4##_SHIFT) | \
189 ((u64)(sc5val) << SEND_SC2VLT##num##_SC##sc5##_SHIFT) | \
190 ((u64)(sc6val) << SEND_SC2VLT##num##_SC##sc6##_SHIFT) | \
191 ((u64)(sc7val) << SEND_SC2VLT##num##_SC##sc7##_SHIFT) \
194 #define DC_SC_VL_VAL( \
213 ((u64)(e0val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e0##_SHIFT) | \
214 ((u64)(e1val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e1##_SHIFT) | \
215 ((u64)(e2val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e2##_SHIFT) | \
216 ((u64)(e3val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e3##_SHIFT) | \
217 ((u64)(e4val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e4##_SHIFT) | \
218 ((u64)(e5val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e5##_SHIFT) | \
219 ((u64)(e6val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e6##_SHIFT) | \
220 ((u64)(e7val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e7##_SHIFT) | \
221 ((u64)(e8val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e8##_SHIFT) | \
222 ((u64)(e9val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e9##_SHIFT) | \
223 ((u64)(e10val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e10##_SHIFT) | \
224 ((u64)(e11val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e11##_SHIFT) | \
225 ((u64)(e12val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e12##_SHIFT) | \
226 ((u64)(e13val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e13##_SHIFT) | \
227 ((u64)(e14val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e14##_SHIFT) | \
228 ((u64)(e15val) << DCC_CFG_SC_VL_TABLE_##range##_ENTRY##e15##_SHIFT) \
231 /* all CceStatus sub-block freeze bits */
232 #define ALL_FROZE (CCE_STATUS_SDMA_FROZE_SMASK \
233 | CCE_STATUS_RXE_FROZE_SMASK \
234 | CCE_STATUS_TXE_FROZE_SMASK \
235 | CCE_STATUS_TXE_PIO_FROZE_SMASK)
236 /* all CceStatus sub-block TXE pause bits */
237 #define ALL_TXE_PAUSE (CCE_STATUS_TXE_PIO_PAUSED_SMASK \
238 | CCE_STATUS_TXE_PAUSED_SMASK \
239 | CCE_STATUS_SDMA_PAUSED_SMASK)
240 /* all CceStatus sub-block RXE pause bits */
241 #define ALL_RXE_PAUSE CCE_STATUS_RXE_PAUSED_SMASK
243 #define CNTR_MAX 0xFFFFFFFFFFFFFFFFULL
244 #define CNTR_32BIT_MAX 0x00000000FFFFFFFF
249 static struct flag_table cce_err_status_flags[] = {
250 /* 0*/ FLAG_ENTRY0("CceCsrParityErr",
251 CCE_ERR_STATUS_CCE_CSR_PARITY_ERR_SMASK),
252 /* 1*/ FLAG_ENTRY0("CceCsrReadBadAddrErr",
253 CCE_ERR_STATUS_CCE_CSR_READ_BAD_ADDR_ERR_SMASK),
254 /* 2*/ FLAG_ENTRY0("CceCsrWriteBadAddrErr",
255 CCE_ERR_STATUS_CCE_CSR_WRITE_BAD_ADDR_ERR_SMASK),
256 /* 3*/ FLAG_ENTRY0("CceTrgtAsyncFifoParityErr",
257 CCE_ERR_STATUS_CCE_TRGT_ASYNC_FIFO_PARITY_ERR_SMASK),
258 /* 4*/ FLAG_ENTRY0("CceTrgtAccessErr",
259 CCE_ERR_STATUS_CCE_TRGT_ACCESS_ERR_SMASK),
260 /* 5*/ FLAG_ENTRY0("CceRspdDataParityErr",
261 CCE_ERR_STATUS_CCE_RSPD_DATA_PARITY_ERR_SMASK),
262 /* 6*/ FLAG_ENTRY0("CceCli0AsyncFifoParityErr",
263 CCE_ERR_STATUS_CCE_CLI0_ASYNC_FIFO_PARITY_ERR_SMASK),
264 /* 7*/ FLAG_ENTRY0("CceCsrCfgBusParityErr",
265 CCE_ERR_STATUS_CCE_CSR_CFG_BUS_PARITY_ERR_SMASK),
266 /* 8*/ FLAG_ENTRY0("CceCli2AsyncFifoParityErr",
267 CCE_ERR_STATUS_CCE_CLI2_ASYNC_FIFO_PARITY_ERR_SMASK),
268 /* 9*/ FLAG_ENTRY0("CceCli1AsyncFifoPioCrdtParityErr",
269 CCE_ERR_STATUS_CCE_CLI1_ASYNC_FIFO_PIO_CRDT_PARITY_ERR_SMASK),
270 /*10*/ FLAG_ENTRY0("CceCli1AsyncFifoPioCrdtParityErr",
271 CCE_ERR_STATUS_CCE_CLI1_ASYNC_FIFO_SDMA_HD_PARITY_ERR_SMASK),
272 /*11*/ FLAG_ENTRY0("CceCli1AsyncFifoRxdmaParityError",
273 CCE_ERR_STATUS_CCE_CLI1_ASYNC_FIFO_RXDMA_PARITY_ERROR_SMASK),
274 /*12*/ FLAG_ENTRY0("CceCli1AsyncFifoDbgParityError",
275 CCE_ERR_STATUS_CCE_CLI1_ASYNC_FIFO_DBG_PARITY_ERROR_SMASK),
276 /*13*/ FLAG_ENTRY0("PcicRetryMemCorErr",
277 CCE_ERR_STATUS_PCIC_RETRY_MEM_COR_ERR_SMASK),
278 /*14*/ FLAG_ENTRY0("PcicRetryMemCorErr",
279 CCE_ERR_STATUS_PCIC_RETRY_SOT_MEM_COR_ERR_SMASK),
280 /*15*/ FLAG_ENTRY0("PcicPostHdQCorErr",
281 CCE_ERR_STATUS_PCIC_POST_HD_QCOR_ERR_SMASK),
282 /*16*/ FLAG_ENTRY0("PcicPostHdQCorErr",
283 CCE_ERR_STATUS_PCIC_POST_DAT_QCOR_ERR_SMASK),
284 /*17*/ FLAG_ENTRY0("PcicPostHdQCorErr",
285 CCE_ERR_STATUS_PCIC_CPL_HD_QCOR_ERR_SMASK),
286 /*18*/ FLAG_ENTRY0("PcicCplDatQCorErr",
287 CCE_ERR_STATUS_PCIC_CPL_DAT_QCOR_ERR_SMASK),
288 /*19*/ FLAG_ENTRY0("PcicNPostHQParityErr",
289 CCE_ERR_STATUS_PCIC_NPOST_HQ_PARITY_ERR_SMASK),
290 /*20*/ FLAG_ENTRY0("PcicNPostDatQParityErr",
291 CCE_ERR_STATUS_PCIC_NPOST_DAT_QPARITY_ERR_SMASK),
292 /*21*/ FLAG_ENTRY0("PcicRetryMemUncErr",
293 CCE_ERR_STATUS_PCIC_RETRY_MEM_UNC_ERR_SMASK),
294 /*22*/ FLAG_ENTRY0("PcicRetrySotMemUncErr",
295 CCE_ERR_STATUS_PCIC_RETRY_SOT_MEM_UNC_ERR_SMASK),
296 /*23*/ FLAG_ENTRY0("PcicPostHdQUncErr",
297 CCE_ERR_STATUS_PCIC_POST_HD_QUNC_ERR_SMASK),
298 /*24*/ FLAG_ENTRY0("PcicPostDatQUncErr",
299 CCE_ERR_STATUS_PCIC_POST_DAT_QUNC_ERR_SMASK),
300 /*25*/ FLAG_ENTRY0("PcicCplHdQUncErr",
301 CCE_ERR_STATUS_PCIC_CPL_HD_QUNC_ERR_SMASK),
302 /*26*/ FLAG_ENTRY0("PcicCplDatQUncErr",
303 CCE_ERR_STATUS_PCIC_CPL_DAT_QUNC_ERR_SMASK),
304 /*27*/ FLAG_ENTRY0("PcicTransmitFrontParityErr",
305 CCE_ERR_STATUS_PCIC_TRANSMIT_FRONT_PARITY_ERR_SMASK),
306 /*28*/ FLAG_ENTRY0("PcicTransmitBackParityErr",
307 CCE_ERR_STATUS_PCIC_TRANSMIT_BACK_PARITY_ERR_SMASK),
308 /*29*/ FLAG_ENTRY0("PcicReceiveParityErr",
309 CCE_ERR_STATUS_PCIC_RECEIVE_PARITY_ERR_SMASK),
310 /*30*/ FLAG_ENTRY0("CceTrgtCplTimeoutErr",
311 CCE_ERR_STATUS_CCE_TRGT_CPL_TIMEOUT_ERR_SMASK),
312 /*31*/ FLAG_ENTRY0("LATriggered",
313 CCE_ERR_STATUS_LA_TRIGGERED_SMASK),
314 /*32*/ FLAG_ENTRY0("CceSegReadBadAddrErr",
315 CCE_ERR_STATUS_CCE_SEG_READ_BAD_ADDR_ERR_SMASK),
316 /*33*/ FLAG_ENTRY0("CceSegWriteBadAddrErr",
317 CCE_ERR_STATUS_CCE_SEG_WRITE_BAD_ADDR_ERR_SMASK),
318 /*34*/ FLAG_ENTRY0("CceRcplAsyncFifoParityErr",
319 CCE_ERR_STATUS_CCE_RCPL_ASYNC_FIFO_PARITY_ERR_SMASK),
320 /*35*/ FLAG_ENTRY0("CceRxdmaConvFifoParityErr",
321 CCE_ERR_STATUS_CCE_RXDMA_CONV_FIFO_PARITY_ERR_SMASK),
322 /*36*/ FLAG_ENTRY0("CceMsixTableCorErr",
323 CCE_ERR_STATUS_CCE_MSIX_TABLE_COR_ERR_SMASK),
324 /*37*/ FLAG_ENTRY0("CceMsixTableUncErr",
325 CCE_ERR_STATUS_CCE_MSIX_TABLE_UNC_ERR_SMASK),
326 /*38*/ FLAG_ENTRY0("CceIntMapCorErr",
327 CCE_ERR_STATUS_CCE_INT_MAP_COR_ERR_SMASK),
328 /*39*/ FLAG_ENTRY0("CceIntMapUncErr",
329 CCE_ERR_STATUS_CCE_INT_MAP_UNC_ERR_SMASK),
330 /*40*/ FLAG_ENTRY0("CceMsixCsrParityErr",
331 CCE_ERR_STATUS_CCE_MSIX_CSR_PARITY_ERR_SMASK),
338 #define MES(text) MISC_ERR_STATUS_MISC_##text##_ERR_SMASK
339 static struct flag_table misc_err_status_flags[] = {
340 /* 0*/ FLAG_ENTRY0("CSR_PARITY", MES(CSR_PARITY)),
341 /* 1*/ FLAG_ENTRY0("CSR_READ_BAD_ADDR", MES(CSR_READ_BAD_ADDR)),
342 /* 2*/ FLAG_ENTRY0("CSR_WRITE_BAD_ADDR", MES(CSR_WRITE_BAD_ADDR)),
343 /* 3*/ FLAG_ENTRY0("SBUS_WRITE_FAILED", MES(SBUS_WRITE_FAILED)),
344 /* 4*/ FLAG_ENTRY0("KEY_MISMATCH", MES(KEY_MISMATCH)),
345 /* 5*/ FLAG_ENTRY0("FW_AUTH_FAILED", MES(FW_AUTH_FAILED)),
346 /* 6*/ FLAG_ENTRY0("EFUSE_CSR_PARITY", MES(EFUSE_CSR_PARITY)),
347 /* 7*/ FLAG_ENTRY0("EFUSE_READ_BAD_ADDR", MES(EFUSE_READ_BAD_ADDR)),
348 /* 8*/ FLAG_ENTRY0("EFUSE_WRITE", MES(EFUSE_WRITE)),
349 /* 9*/ FLAG_ENTRY0("EFUSE_DONE_PARITY", MES(EFUSE_DONE_PARITY)),
350 /*10*/ FLAG_ENTRY0("INVALID_EEP_CMD", MES(INVALID_EEP_CMD)),
351 /*11*/ FLAG_ENTRY0("MBIST_FAIL", MES(MBIST_FAIL)),
352 /*12*/ FLAG_ENTRY0("PLL_LOCK_FAIL", MES(PLL_LOCK_FAIL))
356 * TXE PIO Error flags and consequences
358 static struct flag_table pio_err_status_flags[] = {
359 /* 0*/ FLAG_ENTRY("PioWriteBadCtxt",
361 SEND_PIO_ERR_STATUS_PIO_WRITE_BAD_CTXT_ERR_SMASK),
362 /* 1*/ FLAG_ENTRY("PioWriteAddrParity",
364 SEND_PIO_ERR_STATUS_PIO_WRITE_ADDR_PARITY_ERR_SMASK),
365 /* 2*/ FLAG_ENTRY("PioCsrParity",
367 SEND_PIO_ERR_STATUS_PIO_CSR_PARITY_ERR_SMASK),
368 /* 3*/ FLAG_ENTRY("PioSbMemFifo0",
370 SEND_PIO_ERR_STATUS_PIO_SB_MEM_FIFO0_ERR_SMASK),
371 /* 4*/ FLAG_ENTRY("PioSbMemFifo1",
373 SEND_PIO_ERR_STATUS_PIO_SB_MEM_FIFO1_ERR_SMASK),
374 /* 5*/ FLAG_ENTRY("PioPccFifoParity",
376 SEND_PIO_ERR_STATUS_PIO_PCC_FIFO_PARITY_ERR_SMASK),
377 /* 6*/ FLAG_ENTRY("PioPecFifoParity",
379 SEND_PIO_ERR_STATUS_PIO_PEC_FIFO_PARITY_ERR_SMASK),
380 /* 7*/ FLAG_ENTRY("PioSbrdctlCrrelParity",
382 SEND_PIO_ERR_STATUS_PIO_SBRDCTL_CRREL_PARITY_ERR_SMASK),
383 /* 8*/ FLAG_ENTRY("PioSbrdctrlCrrelFifoParity",
385 SEND_PIO_ERR_STATUS_PIO_SBRDCTRL_CRREL_FIFO_PARITY_ERR_SMASK),
386 /* 9*/ FLAG_ENTRY("PioPktEvictFifoParityErr",
388 SEND_PIO_ERR_STATUS_PIO_PKT_EVICT_FIFO_PARITY_ERR_SMASK),
389 /*10*/ FLAG_ENTRY("PioSmPktResetParity",
391 SEND_PIO_ERR_STATUS_PIO_SM_PKT_RESET_PARITY_ERR_SMASK),
392 /*11*/ FLAG_ENTRY("PioVlLenMemBank0Unc",
394 SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK0_UNC_ERR_SMASK),
395 /*12*/ FLAG_ENTRY("PioVlLenMemBank1Unc",
397 SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK1_UNC_ERR_SMASK),
398 /*13*/ FLAG_ENTRY("PioVlLenMemBank0Cor",
400 SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK0_COR_ERR_SMASK),
401 /*14*/ FLAG_ENTRY("PioVlLenMemBank1Cor",
403 SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK1_COR_ERR_SMASK),
404 /*15*/ FLAG_ENTRY("PioCreditRetFifoParity",
406 SEND_PIO_ERR_STATUS_PIO_CREDIT_RET_FIFO_PARITY_ERR_SMASK),
407 /*16*/ FLAG_ENTRY("PioPpmcPblFifo",
409 SEND_PIO_ERR_STATUS_PIO_PPMC_PBL_FIFO_ERR_SMASK),
410 /*17*/ FLAG_ENTRY("PioInitSmIn",
412 SEND_PIO_ERR_STATUS_PIO_INIT_SM_IN_ERR_SMASK),
413 /*18*/ FLAG_ENTRY("PioPktEvictSmOrArbSm",
415 SEND_PIO_ERR_STATUS_PIO_PKT_EVICT_SM_OR_ARB_SM_ERR_SMASK),
416 /*19*/ FLAG_ENTRY("PioHostAddrMemUnc",
418 SEND_PIO_ERR_STATUS_PIO_HOST_ADDR_MEM_UNC_ERR_SMASK),
419 /*20*/ FLAG_ENTRY("PioHostAddrMemCor",
421 SEND_PIO_ERR_STATUS_PIO_HOST_ADDR_MEM_COR_ERR_SMASK),
422 /*21*/ FLAG_ENTRY("PioWriteDataParity",
424 SEND_PIO_ERR_STATUS_PIO_WRITE_DATA_PARITY_ERR_SMASK),
425 /*22*/ FLAG_ENTRY("PioStateMachine",
427 SEND_PIO_ERR_STATUS_PIO_STATE_MACHINE_ERR_SMASK),
428 /*23*/ FLAG_ENTRY("PioWriteQwValidParity",
429 SEC_WRITE_DROPPED | SEC_SPC_FREEZE,
430 SEND_PIO_ERR_STATUS_PIO_WRITE_QW_VALID_PARITY_ERR_SMASK),
431 /*24*/ FLAG_ENTRY("PioBlockQwCountParity",
432 SEC_WRITE_DROPPED | SEC_SPC_FREEZE,
433 SEND_PIO_ERR_STATUS_PIO_BLOCK_QW_COUNT_PARITY_ERR_SMASK),
434 /*25*/ FLAG_ENTRY("PioVlfVlLenParity",
436 SEND_PIO_ERR_STATUS_PIO_VLF_VL_LEN_PARITY_ERR_SMASK),
437 /*26*/ FLAG_ENTRY("PioVlfSopParity",
439 SEND_PIO_ERR_STATUS_PIO_VLF_SOP_PARITY_ERR_SMASK),
440 /*27*/ FLAG_ENTRY("PioVlFifoParity",
442 SEND_PIO_ERR_STATUS_PIO_VL_FIFO_PARITY_ERR_SMASK),
443 /*28*/ FLAG_ENTRY("PioPpmcBqcMemParity",
445 SEND_PIO_ERR_STATUS_PIO_PPMC_BQC_MEM_PARITY_ERR_SMASK),
446 /*29*/ FLAG_ENTRY("PioPpmcSopLen",
448 SEND_PIO_ERR_STATUS_PIO_PPMC_SOP_LEN_ERR_SMASK),
450 /*32*/ FLAG_ENTRY("PioCurrentFreeCntParity",
452 SEND_PIO_ERR_STATUS_PIO_CURRENT_FREE_CNT_PARITY_ERR_SMASK),
453 /*33*/ FLAG_ENTRY("PioLastReturnedCntParity",
455 SEND_PIO_ERR_STATUS_PIO_LAST_RETURNED_CNT_PARITY_ERR_SMASK),
456 /*34*/ FLAG_ENTRY("PioPccSopHeadParity",
458 SEND_PIO_ERR_STATUS_PIO_PCC_SOP_HEAD_PARITY_ERR_SMASK),
459 /*35*/ FLAG_ENTRY("PioPecSopHeadParityErr",
461 SEND_PIO_ERR_STATUS_PIO_PEC_SOP_HEAD_PARITY_ERR_SMASK),
465 /* TXE PIO errors that cause an SPC freeze */
466 #define ALL_PIO_FREEZE_ERR \
467 (SEND_PIO_ERR_STATUS_PIO_WRITE_ADDR_PARITY_ERR_SMASK \
468 | SEND_PIO_ERR_STATUS_PIO_CSR_PARITY_ERR_SMASK \
469 | SEND_PIO_ERR_STATUS_PIO_SB_MEM_FIFO0_ERR_SMASK \
470 | SEND_PIO_ERR_STATUS_PIO_SB_MEM_FIFO1_ERR_SMASK \
471 | SEND_PIO_ERR_STATUS_PIO_PCC_FIFO_PARITY_ERR_SMASK \
472 | SEND_PIO_ERR_STATUS_PIO_PEC_FIFO_PARITY_ERR_SMASK \
473 | SEND_PIO_ERR_STATUS_PIO_SBRDCTL_CRREL_PARITY_ERR_SMASK \
474 | SEND_PIO_ERR_STATUS_PIO_SBRDCTRL_CRREL_FIFO_PARITY_ERR_SMASK \
475 | SEND_PIO_ERR_STATUS_PIO_PKT_EVICT_FIFO_PARITY_ERR_SMASK \
476 | SEND_PIO_ERR_STATUS_PIO_SM_PKT_RESET_PARITY_ERR_SMASK \
477 | SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK0_UNC_ERR_SMASK \
478 | SEND_PIO_ERR_STATUS_PIO_VL_LEN_MEM_BANK1_UNC_ERR_SMASK \
479 | SEND_PIO_ERR_STATUS_PIO_CREDIT_RET_FIFO_PARITY_ERR_SMASK \
480 | SEND_PIO_ERR_STATUS_PIO_PPMC_PBL_FIFO_ERR_SMASK \
481 | SEND_PIO_ERR_STATUS_PIO_PKT_EVICT_SM_OR_ARB_SM_ERR_SMASK \
482 | SEND_PIO_ERR_STATUS_PIO_HOST_ADDR_MEM_UNC_ERR_SMASK \
483 | SEND_PIO_ERR_STATUS_PIO_WRITE_DATA_PARITY_ERR_SMASK \
484 | SEND_PIO_ERR_STATUS_PIO_STATE_MACHINE_ERR_SMASK \
485 | SEND_PIO_ERR_STATUS_PIO_WRITE_QW_VALID_PARITY_ERR_SMASK \
486 | SEND_PIO_ERR_STATUS_PIO_BLOCK_QW_COUNT_PARITY_ERR_SMASK \
487 | SEND_PIO_ERR_STATUS_PIO_VLF_VL_LEN_PARITY_ERR_SMASK \
488 | SEND_PIO_ERR_STATUS_PIO_VLF_SOP_PARITY_ERR_SMASK \
489 | SEND_PIO_ERR_STATUS_PIO_VL_FIFO_PARITY_ERR_SMASK \
490 | SEND_PIO_ERR_STATUS_PIO_PPMC_BQC_MEM_PARITY_ERR_SMASK \
491 | SEND_PIO_ERR_STATUS_PIO_PPMC_SOP_LEN_ERR_SMASK \
492 | SEND_PIO_ERR_STATUS_PIO_CURRENT_FREE_CNT_PARITY_ERR_SMASK \
493 | SEND_PIO_ERR_STATUS_PIO_LAST_RETURNED_CNT_PARITY_ERR_SMASK \
494 | SEND_PIO_ERR_STATUS_PIO_PCC_SOP_HEAD_PARITY_ERR_SMASK \
495 | SEND_PIO_ERR_STATUS_PIO_PEC_SOP_HEAD_PARITY_ERR_SMASK)
498 * TXE SDMA Error flags
500 static struct flag_table sdma_err_status_flags[] = {
501 /* 0*/ FLAG_ENTRY0("SDmaRpyTagErr",
502 SEND_DMA_ERR_STATUS_SDMA_RPY_TAG_ERR_SMASK),
503 /* 1*/ FLAG_ENTRY0("SDmaCsrParityErr",
504 SEND_DMA_ERR_STATUS_SDMA_CSR_PARITY_ERR_SMASK),
505 /* 2*/ FLAG_ENTRY0("SDmaPcieReqTrackingUncErr",
506 SEND_DMA_ERR_STATUS_SDMA_PCIE_REQ_TRACKING_UNC_ERR_SMASK),
507 /* 3*/ FLAG_ENTRY0("SDmaPcieReqTrackingCorErr",
508 SEND_DMA_ERR_STATUS_SDMA_PCIE_REQ_TRACKING_COR_ERR_SMASK),
512 /* TXE SDMA errors that cause an SPC freeze */
513 #define ALL_SDMA_FREEZE_ERR \
514 (SEND_DMA_ERR_STATUS_SDMA_RPY_TAG_ERR_SMASK \
515 | SEND_DMA_ERR_STATUS_SDMA_CSR_PARITY_ERR_SMASK \
516 | SEND_DMA_ERR_STATUS_SDMA_PCIE_REQ_TRACKING_UNC_ERR_SMASK)
518 /* SendEgressErrInfo bits that correspond to a PortXmitDiscard counter */
519 #define PORT_DISCARD_EGRESS_ERRS \
520 (SEND_EGRESS_ERR_INFO_TOO_LONG_IB_PACKET_ERR_SMASK \
521 | SEND_EGRESS_ERR_INFO_VL_MAPPING_ERR_SMASK \
522 | SEND_EGRESS_ERR_INFO_VL_ERR_SMASK)
525 * TXE Egress Error flags
527 #define SEES(text) SEND_EGRESS_ERR_STATUS_##text##_ERR_SMASK
528 static struct flag_table egress_err_status_flags[] = {
529 /* 0*/ FLAG_ENTRY0("TxPktIntegrityMemCorErr", SEES(TX_PKT_INTEGRITY_MEM_COR)),
530 /* 1*/ FLAG_ENTRY0("TxPktIntegrityMemUncErr", SEES(TX_PKT_INTEGRITY_MEM_UNC)),
532 /* 3*/ FLAG_ENTRY0("TxEgressFifoUnderrunOrParityErr",
533 SEES(TX_EGRESS_FIFO_UNDERRUN_OR_PARITY)),
534 /* 4*/ FLAG_ENTRY0("TxLinkdownErr", SEES(TX_LINKDOWN)),
535 /* 5*/ FLAG_ENTRY0("TxIncorrectLinkStateErr", SEES(TX_INCORRECT_LINK_STATE)),
537 /* 7*/ FLAG_ENTRY0("TxPioLaunchIntfParityErr",
538 SEES(TX_PIO_LAUNCH_INTF_PARITY)),
539 /* 8*/ FLAG_ENTRY0("TxSdmaLaunchIntfParityErr",
540 SEES(TX_SDMA_LAUNCH_INTF_PARITY)),
542 /*11*/ FLAG_ENTRY0("TxSbrdCtlStateMachineParityErr",
543 SEES(TX_SBRD_CTL_STATE_MACHINE_PARITY)),
544 /*12*/ FLAG_ENTRY0("TxIllegalVLErr", SEES(TX_ILLEGAL_VL)),
545 /*13*/ FLAG_ENTRY0("TxLaunchCsrParityErr", SEES(TX_LAUNCH_CSR_PARITY)),
546 /*14*/ FLAG_ENTRY0("TxSbrdCtlCsrParityErr", SEES(TX_SBRD_CTL_CSR_PARITY)),
547 /*15*/ FLAG_ENTRY0("TxConfigParityErr", SEES(TX_CONFIG_PARITY)),
548 /*16*/ FLAG_ENTRY0("TxSdma0DisallowedPacketErr",
549 SEES(TX_SDMA0_DISALLOWED_PACKET)),
550 /*17*/ FLAG_ENTRY0("TxSdma1DisallowedPacketErr",
551 SEES(TX_SDMA1_DISALLOWED_PACKET)),
552 /*18*/ FLAG_ENTRY0("TxSdma2DisallowedPacketErr",
553 SEES(TX_SDMA2_DISALLOWED_PACKET)),
554 /*19*/ FLAG_ENTRY0("TxSdma3DisallowedPacketErr",
555 SEES(TX_SDMA3_DISALLOWED_PACKET)),
556 /*20*/ FLAG_ENTRY0("TxSdma4DisallowedPacketErr",
557 SEES(TX_SDMA4_DISALLOWED_PACKET)),
558 /*21*/ FLAG_ENTRY0("TxSdma5DisallowedPacketErr",
559 SEES(TX_SDMA5_DISALLOWED_PACKET)),
560 /*22*/ FLAG_ENTRY0("TxSdma6DisallowedPacketErr",
561 SEES(TX_SDMA6_DISALLOWED_PACKET)),
562 /*23*/ FLAG_ENTRY0("TxSdma7DisallowedPacketErr",
563 SEES(TX_SDMA7_DISALLOWED_PACKET)),
564 /*24*/ FLAG_ENTRY0("TxSdma8DisallowedPacketErr",
565 SEES(TX_SDMA8_DISALLOWED_PACKET)),
566 /*25*/ FLAG_ENTRY0("TxSdma9DisallowedPacketErr",
567 SEES(TX_SDMA9_DISALLOWED_PACKET)),
568 /*26*/ FLAG_ENTRY0("TxSdma10DisallowedPacketErr",
569 SEES(TX_SDMA10_DISALLOWED_PACKET)),
570 /*27*/ FLAG_ENTRY0("TxSdma11DisallowedPacketErr",
571 SEES(TX_SDMA11_DISALLOWED_PACKET)),
572 /*28*/ FLAG_ENTRY0("TxSdma12DisallowedPacketErr",
573 SEES(TX_SDMA12_DISALLOWED_PACKET)),
574 /*29*/ FLAG_ENTRY0("TxSdma13DisallowedPacketErr",
575 SEES(TX_SDMA13_DISALLOWED_PACKET)),
576 /*30*/ FLAG_ENTRY0("TxSdma14DisallowedPacketErr",
577 SEES(TX_SDMA14_DISALLOWED_PACKET)),
578 /*31*/ FLAG_ENTRY0("TxSdma15DisallowedPacketErr",
579 SEES(TX_SDMA15_DISALLOWED_PACKET)),
580 /*32*/ FLAG_ENTRY0("TxLaunchFifo0UncOrParityErr",
581 SEES(TX_LAUNCH_FIFO0_UNC_OR_PARITY)),
582 /*33*/ FLAG_ENTRY0("TxLaunchFifo1UncOrParityErr",
583 SEES(TX_LAUNCH_FIFO1_UNC_OR_PARITY)),
584 /*34*/ FLAG_ENTRY0("TxLaunchFifo2UncOrParityErr",
585 SEES(TX_LAUNCH_FIFO2_UNC_OR_PARITY)),
586 /*35*/ FLAG_ENTRY0("TxLaunchFifo3UncOrParityErr",
587 SEES(TX_LAUNCH_FIFO3_UNC_OR_PARITY)),
588 /*36*/ FLAG_ENTRY0("TxLaunchFifo4UncOrParityErr",
589 SEES(TX_LAUNCH_FIFO4_UNC_OR_PARITY)),
590 /*37*/ FLAG_ENTRY0("TxLaunchFifo5UncOrParityErr",
591 SEES(TX_LAUNCH_FIFO5_UNC_OR_PARITY)),
592 /*38*/ FLAG_ENTRY0("TxLaunchFifo6UncOrParityErr",
593 SEES(TX_LAUNCH_FIFO6_UNC_OR_PARITY)),
594 /*39*/ FLAG_ENTRY0("TxLaunchFifo7UncOrParityErr",
595 SEES(TX_LAUNCH_FIFO7_UNC_OR_PARITY)),
596 /*40*/ FLAG_ENTRY0("TxLaunchFifo8UncOrParityErr",
597 SEES(TX_LAUNCH_FIFO8_UNC_OR_PARITY)),
598 /*41*/ FLAG_ENTRY0("TxCreditReturnParityErr", SEES(TX_CREDIT_RETURN_PARITY)),
599 /*42*/ FLAG_ENTRY0("TxSbHdrUncErr", SEES(TX_SB_HDR_UNC)),
600 /*43*/ FLAG_ENTRY0("TxReadSdmaMemoryUncErr", SEES(TX_READ_SDMA_MEMORY_UNC)),
601 /*44*/ FLAG_ENTRY0("TxReadPioMemoryUncErr", SEES(TX_READ_PIO_MEMORY_UNC)),
602 /*45*/ FLAG_ENTRY0("TxEgressFifoUncErr", SEES(TX_EGRESS_FIFO_UNC)),
603 /*46*/ FLAG_ENTRY0("TxHcrcInsertionErr", SEES(TX_HCRC_INSERTION)),
604 /*47*/ FLAG_ENTRY0("TxCreditReturnVLErr", SEES(TX_CREDIT_RETURN_VL)),
605 /*48*/ FLAG_ENTRY0("TxLaunchFifo0CorErr", SEES(TX_LAUNCH_FIFO0_COR)),
606 /*49*/ FLAG_ENTRY0("TxLaunchFifo1CorErr", SEES(TX_LAUNCH_FIFO1_COR)),
607 /*50*/ FLAG_ENTRY0("TxLaunchFifo2CorErr", SEES(TX_LAUNCH_FIFO2_COR)),
608 /*51*/ FLAG_ENTRY0("TxLaunchFifo3CorErr", SEES(TX_LAUNCH_FIFO3_COR)),
609 /*52*/ FLAG_ENTRY0("TxLaunchFifo4CorErr", SEES(TX_LAUNCH_FIFO4_COR)),
610 /*53*/ FLAG_ENTRY0("TxLaunchFifo5CorErr", SEES(TX_LAUNCH_FIFO5_COR)),
611 /*54*/ FLAG_ENTRY0("TxLaunchFifo6CorErr", SEES(TX_LAUNCH_FIFO6_COR)),
612 /*55*/ FLAG_ENTRY0("TxLaunchFifo7CorErr", SEES(TX_LAUNCH_FIFO7_COR)),
613 /*56*/ FLAG_ENTRY0("TxLaunchFifo8CorErr", SEES(TX_LAUNCH_FIFO8_COR)),
614 /*57*/ FLAG_ENTRY0("TxCreditOverrunErr", SEES(TX_CREDIT_OVERRUN)),
615 /*58*/ FLAG_ENTRY0("TxSbHdrCorErr", SEES(TX_SB_HDR_COR)),
616 /*59*/ FLAG_ENTRY0("TxReadSdmaMemoryCorErr", SEES(TX_READ_SDMA_MEMORY_COR)),
617 /*60*/ FLAG_ENTRY0("TxReadPioMemoryCorErr", SEES(TX_READ_PIO_MEMORY_COR)),
618 /*61*/ FLAG_ENTRY0("TxEgressFifoCorErr", SEES(TX_EGRESS_FIFO_COR)),
619 /*62*/ FLAG_ENTRY0("TxReadSdmaMemoryCsrUncErr",
620 SEES(TX_READ_SDMA_MEMORY_CSR_UNC)),
621 /*63*/ FLAG_ENTRY0("TxReadPioMemoryCsrUncErr",
622 SEES(TX_READ_PIO_MEMORY_CSR_UNC)),
626 * TXE Egress Error Info flags
628 #define SEEI(text) SEND_EGRESS_ERR_INFO_##text##_ERR_SMASK
629 static struct flag_table egress_err_info_flags[] = {
630 /* 0*/ FLAG_ENTRY0("Reserved", 0ull),
631 /* 1*/ FLAG_ENTRY0("VLErr", SEEI(VL)),
632 /* 2*/ FLAG_ENTRY0("JobKeyErr", SEEI(JOB_KEY)),
633 /* 3*/ FLAG_ENTRY0("JobKeyErr", SEEI(JOB_KEY)),
634 /* 4*/ FLAG_ENTRY0("PartitionKeyErr", SEEI(PARTITION_KEY)),
635 /* 5*/ FLAG_ENTRY0("SLIDErr", SEEI(SLID)),
636 /* 6*/ FLAG_ENTRY0("OpcodeErr", SEEI(OPCODE)),
637 /* 7*/ FLAG_ENTRY0("VLMappingErr", SEEI(VL_MAPPING)),
638 /* 8*/ FLAG_ENTRY0("RawErr", SEEI(RAW)),
639 /* 9*/ FLAG_ENTRY0("RawIPv6Err", SEEI(RAW_IPV6)),
640 /*10*/ FLAG_ENTRY0("GRHErr", SEEI(GRH)),
641 /*11*/ FLAG_ENTRY0("BypassErr", SEEI(BYPASS)),
642 /*12*/ FLAG_ENTRY0("KDETHPacketsErr", SEEI(KDETH_PACKETS)),
643 /*13*/ FLAG_ENTRY0("NonKDETHPacketsErr", SEEI(NON_KDETH_PACKETS)),
644 /*14*/ FLAG_ENTRY0("TooSmallIBPacketsErr", SEEI(TOO_SMALL_IB_PACKETS)),
645 /*15*/ FLAG_ENTRY0("TooSmallBypassPacketsErr", SEEI(TOO_SMALL_BYPASS_PACKETS)),
646 /*16*/ FLAG_ENTRY0("PbcTestErr", SEEI(PBC_TEST)),
647 /*17*/ FLAG_ENTRY0("BadPktLenErr", SEEI(BAD_PKT_LEN)),
648 /*18*/ FLAG_ENTRY0("TooLongIBPacketErr", SEEI(TOO_LONG_IB_PACKET)),
649 /*19*/ FLAG_ENTRY0("TooLongBypassPacketsErr", SEEI(TOO_LONG_BYPASS_PACKETS)),
650 /*20*/ FLAG_ENTRY0("PbcStaticRateControlErr", SEEI(PBC_STATIC_RATE_CONTROL)),
651 /*21*/ FLAG_ENTRY0("BypassBadPktLenErr", SEEI(BAD_PKT_LEN)),
654 /* TXE Egress errors that cause an SPC freeze */
655 #define ALL_TXE_EGRESS_FREEZE_ERR \
656 (SEES(TX_EGRESS_FIFO_UNDERRUN_OR_PARITY) \
657 | SEES(TX_PIO_LAUNCH_INTF_PARITY) \
658 | SEES(TX_SDMA_LAUNCH_INTF_PARITY) \
659 | SEES(TX_SBRD_CTL_STATE_MACHINE_PARITY) \
660 | SEES(TX_LAUNCH_CSR_PARITY) \
661 | SEES(TX_SBRD_CTL_CSR_PARITY) \
662 | SEES(TX_CONFIG_PARITY) \
663 | SEES(TX_LAUNCH_FIFO0_UNC_OR_PARITY) \
664 | SEES(TX_LAUNCH_FIFO1_UNC_OR_PARITY) \
665 | SEES(TX_LAUNCH_FIFO2_UNC_OR_PARITY) \
666 | SEES(TX_LAUNCH_FIFO3_UNC_OR_PARITY) \
667 | SEES(TX_LAUNCH_FIFO4_UNC_OR_PARITY) \
668 | SEES(TX_LAUNCH_FIFO5_UNC_OR_PARITY) \
669 | SEES(TX_LAUNCH_FIFO6_UNC_OR_PARITY) \
670 | SEES(TX_LAUNCH_FIFO7_UNC_OR_PARITY) \
671 | SEES(TX_LAUNCH_FIFO8_UNC_OR_PARITY) \
672 | SEES(TX_CREDIT_RETURN_PARITY))
675 * TXE Send error flags
677 #define SES(name) SEND_ERR_STATUS_SEND_##name##_ERR_SMASK
678 static struct flag_table send_err_status_flags[] = {
679 /* 0*/ FLAG_ENTRY0("SendCsrParityErr", SES(CSR_PARITY)),
680 /* 1*/ FLAG_ENTRY0("SendCsrReadBadAddrErr", SES(CSR_READ_BAD_ADDR)),
681 /* 2*/ FLAG_ENTRY0("SendCsrWriteBadAddrErr", SES(CSR_WRITE_BAD_ADDR))
685 * TXE Send Context Error flags and consequences
687 static struct flag_table sc_err_status_flags[] = {
688 /* 0*/ FLAG_ENTRY("InconsistentSop",
689 SEC_PACKET_DROPPED | SEC_SC_HALTED,
690 SEND_CTXT_ERR_STATUS_PIO_INCONSISTENT_SOP_ERR_SMASK),
691 /* 1*/ FLAG_ENTRY("DisallowedPacket",
692 SEC_PACKET_DROPPED | SEC_SC_HALTED,
693 SEND_CTXT_ERR_STATUS_PIO_DISALLOWED_PACKET_ERR_SMASK),
694 /* 2*/ FLAG_ENTRY("WriteCrossesBoundary",
695 SEC_WRITE_DROPPED | SEC_SC_HALTED,
696 SEND_CTXT_ERR_STATUS_PIO_WRITE_CROSSES_BOUNDARY_ERR_SMASK),
697 /* 3*/ FLAG_ENTRY("WriteOverflow",
698 SEC_WRITE_DROPPED | SEC_SC_HALTED,
699 SEND_CTXT_ERR_STATUS_PIO_WRITE_OVERFLOW_ERR_SMASK),
700 /* 4*/ FLAG_ENTRY("WriteOutOfBounds",
701 SEC_WRITE_DROPPED | SEC_SC_HALTED,
702 SEND_CTXT_ERR_STATUS_PIO_WRITE_OUT_OF_BOUNDS_ERR_SMASK),
707 * RXE Receive Error flags
709 #define RXES(name) RCV_ERR_STATUS_RX_##name##_ERR_SMASK
710 static struct flag_table rxe_err_status_flags[] = {
711 /* 0*/ FLAG_ENTRY0("RxDmaCsrCorErr", RXES(DMA_CSR_COR)),
712 /* 1*/ FLAG_ENTRY0("RxDcIntfParityErr", RXES(DC_INTF_PARITY)),
713 /* 2*/ FLAG_ENTRY0("RxRcvHdrUncErr", RXES(RCV_HDR_UNC)),
714 /* 3*/ FLAG_ENTRY0("RxRcvHdrCorErr", RXES(RCV_HDR_COR)),
715 /* 4*/ FLAG_ENTRY0("RxRcvDataUncErr", RXES(RCV_DATA_UNC)),
716 /* 5*/ FLAG_ENTRY0("RxRcvDataCorErr", RXES(RCV_DATA_COR)),
717 /* 6*/ FLAG_ENTRY0("RxRcvQpMapTableUncErr", RXES(RCV_QP_MAP_TABLE_UNC)),
718 /* 7*/ FLAG_ENTRY0("RxRcvQpMapTableCorErr", RXES(RCV_QP_MAP_TABLE_COR)),
719 /* 8*/ FLAG_ENTRY0("RxRcvCsrParityErr", RXES(RCV_CSR_PARITY)),
720 /* 9*/ FLAG_ENTRY0("RxDcSopEopParityErr", RXES(DC_SOP_EOP_PARITY)),
721 /*10*/ FLAG_ENTRY0("RxDmaFlagUncErr", RXES(DMA_FLAG_UNC)),
722 /*11*/ FLAG_ENTRY0("RxDmaFlagCorErr", RXES(DMA_FLAG_COR)),
723 /*12*/ FLAG_ENTRY0("RxRcvFsmEncodingErr", RXES(RCV_FSM_ENCODING)),
724 /*13*/ FLAG_ENTRY0("RxRbufFreeListUncErr", RXES(RBUF_FREE_LIST_UNC)),
725 /*14*/ FLAG_ENTRY0("RxRbufFreeListCorErr", RXES(RBUF_FREE_LIST_COR)),
726 /*15*/ FLAG_ENTRY0("RxRbufLookupDesRegUncErr", RXES(RBUF_LOOKUP_DES_REG_UNC)),
727 /*16*/ FLAG_ENTRY0("RxRbufLookupDesRegUncCorErr",
728 RXES(RBUF_LOOKUP_DES_REG_UNC_COR)),
729 /*17*/ FLAG_ENTRY0("RxRbufLookupDesUncErr", RXES(RBUF_LOOKUP_DES_UNC)),
730 /*18*/ FLAG_ENTRY0("RxRbufLookupDesCorErr", RXES(RBUF_LOOKUP_DES_COR)),
731 /*19*/ FLAG_ENTRY0("RxRbufBlockListReadUncErr",
732 RXES(RBUF_BLOCK_LIST_READ_UNC)),
733 /*20*/ FLAG_ENTRY0("RxRbufBlockListReadCorErr",
734 RXES(RBUF_BLOCK_LIST_READ_COR)),
735 /*21*/ FLAG_ENTRY0("RxRbufCsrQHeadBufNumParityErr",
736 RXES(RBUF_CSR_QHEAD_BUF_NUM_PARITY)),
737 /*22*/ FLAG_ENTRY0("RxRbufCsrQEntCntParityErr",
738 RXES(RBUF_CSR_QENT_CNT_PARITY)),
739 /*23*/ FLAG_ENTRY0("RxRbufCsrQNextBufParityErr",
740 RXES(RBUF_CSR_QNEXT_BUF_PARITY)),
741 /*24*/ FLAG_ENTRY0("RxRbufCsrQVldBitParityErr",
742 RXES(RBUF_CSR_QVLD_BIT_PARITY)),
743 /*25*/ FLAG_ENTRY0("RxRbufCsrQHdPtrParityErr", RXES(RBUF_CSR_QHD_PTR_PARITY)),
744 /*26*/ FLAG_ENTRY0("RxRbufCsrQTlPtrParityErr", RXES(RBUF_CSR_QTL_PTR_PARITY)),
745 /*27*/ FLAG_ENTRY0("RxRbufCsrQNumOfPktParityErr",
746 RXES(RBUF_CSR_QNUM_OF_PKT_PARITY)),
747 /*28*/ FLAG_ENTRY0("RxRbufCsrQEOPDWParityErr", RXES(RBUF_CSR_QEOPDW_PARITY)),
748 /*29*/ FLAG_ENTRY0("RxRbufCtxIdParityErr", RXES(RBUF_CTX_ID_PARITY)),
749 /*30*/ FLAG_ENTRY0("RxRBufBadLookupErr", RXES(RBUF_BAD_LOOKUP)),
750 /*31*/ FLAG_ENTRY0("RxRbufFullErr", RXES(RBUF_FULL)),
751 /*32*/ FLAG_ENTRY0("RxRbufEmptyErr", RXES(RBUF_EMPTY)),
752 /*33*/ FLAG_ENTRY0("RxRbufFlRdAddrParityErr", RXES(RBUF_FL_RD_ADDR_PARITY)),
753 /*34*/ FLAG_ENTRY0("RxRbufFlWrAddrParityErr", RXES(RBUF_FL_WR_ADDR_PARITY)),
754 /*35*/ FLAG_ENTRY0("RxRbufFlInitdoneParityErr",
755 RXES(RBUF_FL_INITDONE_PARITY)),
756 /*36*/ FLAG_ENTRY0("RxRbufFlInitWrAddrParityErr",
757 RXES(RBUF_FL_INIT_WR_ADDR_PARITY)),
758 /*37*/ FLAG_ENTRY0("RxRbufNextFreeBufUncErr", RXES(RBUF_NEXT_FREE_BUF_UNC)),
759 /*38*/ FLAG_ENTRY0("RxRbufNextFreeBufCorErr", RXES(RBUF_NEXT_FREE_BUF_COR)),
760 /*39*/ FLAG_ENTRY0("RxLookupDesPart1UncErr", RXES(LOOKUP_DES_PART1_UNC)),
761 /*40*/ FLAG_ENTRY0("RxLookupDesPart1UncCorErr",
762 RXES(LOOKUP_DES_PART1_UNC_COR)),
763 /*41*/ FLAG_ENTRY0("RxLookupDesPart2ParityErr",
764 RXES(LOOKUP_DES_PART2_PARITY)),
765 /*42*/ FLAG_ENTRY0("RxLookupRcvArrayUncErr", RXES(LOOKUP_RCV_ARRAY_UNC)),
766 /*43*/ FLAG_ENTRY0("RxLookupRcvArrayCorErr", RXES(LOOKUP_RCV_ARRAY_COR)),
767 /*44*/ FLAG_ENTRY0("RxLookupCsrParityErr", RXES(LOOKUP_CSR_PARITY)),
768 /*45*/ FLAG_ENTRY0("RxHqIntrCsrParityErr", RXES(HQ_INTR_CSR_PARITY)),
769 /*46*/ FLAG_ENTRY0("RxHqIntrFsmErr", RXES(HQ_INTR_FSM)),
770 /*47*/ FLAG_ENTRY0("RxRbufDescPart1UncErr", RXES(RBUF_DESC_PART1_UNC)),
771 /*48*/ FLAG_ENTRY0("RxRbufDescPart1CorErr", RXES(RBUF_DESC_PART1_COR)),
772 /*49*/ FLAG_ENTRY0("RxRbufDescPart2UncErr", RXES(RBUF_DESC_PART2_UNC)),
773 /*50*/ FLAG_ENTRY0("RxRbufDescPart2CorErr", RXES(RBUF_DESC_PART2_COR)),
774 /*51*/ FLAG_ENTRY0("RxDmaHdrFifoRdUncErr", RXES(DMA_HDR_FIFO_RD_UNC)),
775 /*52*/ FLAG_ENTRY0("RxDmaHdrFifoRdCorErr", RXES(DMA_HDR_FIFO_RD_COR)),
776 /*53*/ FLAG_ENTRY0("RxDmaDataFifoRdUncErr", RXES(DMA_DATA_FIFO_RD_UNC)),
777 /*54*/ FLAG_ENTRY0("RxDmaDataFifoRdCorErr", RXES(DMA_DATA_FIFO_RD_COR)),
778 /*55*/ FLAG_ENTRY0("RxRbufDataUncErr", RXES(RBUF_DATA_UNC)),
779 /*56*/ FLAG_ENTRY0("RxRbufDataCorErr", RXES(RBUF_DATA_COR)),
780 /*57*/ FLAG_ENTRY0("RxDmaCsrParityErr", RXES(DMA_CSR_PARITY)),
781 /*58*/ FLAG_ENTRY0("RxDmaEqFsmEncodingErr", RXES(DMA_EQ_FSM_ENCODING)),
782 /*59*/ FLAG_ENTRY0("RxDmaDqFsmEncodingErr", RXES(DMA_DQ_FSM_ENCODING)),
783 /*60*/ FLAG_ENTRY0("RxDmaCsrUncErr", RXES(DMA_CSR_UNC)),
784 /*61*/ FLAG_ENTRY0("RxCsrReadBadAddrErr", RXES(CSR_READ_BAD_ADDR)),
785 /*62*/ FLAG_ENTRY0("RxCsrWriteBadAddrErr", RXES(CSR_WRITE_BAD_ADDR)),
786 /*63*/ FLAG_ENTRY0("RxCsrParityErr", RXES(CSR_PARITY))
789 /* RXE errors that will trigger an SPC freeze */
790 #define ALL_RXE_FREEZE_ERR \
791 (RCV_ERR_STATUS_RX_RCV_QP_MAP_TABLE_UNC_ERR_SMASK \
792 | RCV_ERR_STATUS_RX_RCV_CSR_PARITY_ERR_SMASK \
793 | RCV_ERR_STATUS_RX_DMA_FLAG_UNC_ERR_SMASK \
794 | RCV_ERR_STATUS_RX_RCV_FSM_ENCODING_ERR_SMASK \
795 | RCV_ERR_STATUS_RX_RBUF_FREE_LIST_UNC_ERR_SMASK \
796 | RCV_ERR_STATUS_RX_RBUF_LOOKUP_DES_REG_UNC_ERR_SMASK \
797 | RCV_ERR_STATUS_RX_RBUF_LOOKUP_DES_REG_UNC_COR_ERR_SMASK \
798 | RCV_ERR_STATUS_RX_RBUF_LOOKUP_DES_UNC_ERR_SMASK \
799 | RCV_ERR_STATUS_RX_RBUF_BLOCK_LIST_READ_UNC_ERR_SMASK \
800 | RCV_ERR_STATUS_RX_RBUF_CSR_QHEAD_BUF_NUM_PARITY_ERR_SMASK \
801 | RCV_ERR_STATUS_RX_RBUF_CSR_QENT_CNT_PARITY_ERR_SMASK \
802 | RCV_ERR_STATUS_RX_RBUF_CSR_QNEXT_BUF_PARITY_ERR_SMASK \
803 | RCV_ERR_STATUS_RX_RBUF_CSR_QVLD_BIT_PARITY_ERR_SMASK \
804 | RCV_ERR_STATUS_RX_RBUF_CSR_QHD_PTR_PARITY_ERR_SMASK \
805 | RCV_ERR_STATUS_RX_RBUF_CSR_QTL_PTR_PARITY_ERR_SMASK \
806 | RCV_ERR_STATUS_RX_RBUF_CSR_QNUM_OF_PKT_PARITY_ERR_SMASK \
807 | RCV_ERR_STATUS_RX_RBUF_CSR_QEOPDW_PARITY_ERR_SMASK \
808 | RCV_ERR_STATUS_RX_RBUF_CTX_ID_PARITY_ERR_SMASK \
809 | RCV_ERR_STATUS_RX_RBUF_BAD_LOOKUP_ERR_SMASK \
810 | RCV_ERR_STATUS_RX_RBUF_FULL_ERR_SMASK \
811 | RCV_ERR_STATUS_RX_RBUF_EMPTY_ERR_SMASK \
812 | RCV_ERR_STATUS_RX_RBUF_FL_RD_ADDR_PARITY_ERR_SMASK \
813 | RCV_ERR_STATUS_RX_RBUF_FL_WR_ADDR_PARITY_ERR_SMASK \
814 | RCV_ERR_STATUS_RX_RBUF_FL_INITDONE_PARITY_ERR_SMASK \
815 | RCV_ERR_STATUS_RX_RBUF_FL_INIT_WR_ADDR_PARITY_ERR_SMASK \
816 | RCV_ERR_STATUS_RX_RBUF_NEXT_FREE_BUF_UNC_ERR_SMASK \
817 | RCV_ERR_STATUS_RX_LOOKUP_DES_PART1_UNC_ERR_SMASK \
818 | RCV_ERR_STATUS_RX_LOOKUP_DES_PART1_UNC_COR_ERR_SMASK \
819 | RCV_ERR_STATUS_RX_LOOKUP_DES_PART2_PARITY_ERR_SMASK \
820 | RCV_ERR_STATUS_RX_LOOKUP_RCV_ARRAY_UNC_ERR_SMASK \
821 | RCV_ERR_STATUS_RX_LOOKUP_CSR_PARITY_ERR_SMASK \
822 | RCV_ERR_STATUS_RX_HQ_INTR_CSR_PARITY_ERR_SMASK \
823 | RCV_ERR_STATUS_RX_HQ_INTR_FSM_ERR_SMASK \
824 | RCV_ERR_STATUS_RX_RBUF_DESC_PART1_UNC_ERR_SMASK \
825 | RCV_ERR_STATUS_RX_RBUF_DESC_PART1_COR_ERR_SMASK \
826 | RCV_ERR_STATUS_RX_RBUF_DESC_PART2_UNC_ERR_SMASK \
827 | RCV_ERR_STATUS_RX_DMA_HDR_FIFO_RD_UNC_ERR_SMASK \
828 | RCV_ERR_STATUS_RX_DMA_DATA_FIFO_RD_UNC_ERR_SMASK \
829 | RCV_ERR_STATUS_RX_RBUF_DATA_UNC_ERR_SMASK \
830 | RCV_ERR_STATUS_RX_DMA_CSR_PARITY_ERR_SMASK \
831 | RCV_ERR_STATUS_RX_DMA_EQ_FSM_ENCODING_ERR_SMASK \
832 | RCV_ERR_STATUS_RX_DMA_DQ_FSM_ENCODING_ERR_SMASK \
833 | RCV_ERR_STATUS_RX_DMA_CSR_UNC_ERR_SMASK \
834 | RCV_ERR_STATUS_RX_CSR_PARITY_ERR_SMASK)
836 #define RXE_FREEZE_ABORT_MASK \
837 (RCV_ERR_STATUS_RX_DMA_CSR_UNC_ERR_SMASK | \
838 RCV_ERR_STATUS_RX_DMA_HDR_FIFO_RD_UNC_ERR_SMASK | \
839 RCV_ERR_STATUS_RX_DMA_DATA_FIFO_RD_UNC_ERR_SMASK)
844 #define DCCE(name) DCC_ERR_FLG_##name##_SMASK
845 static struct flag_table dcc_err_flags[] = {
846 FLAG_ENTRY0("bad_l2_err", DCCE(BAD_L2_ERR)),
847 FLAG_ENTRY0("bad_sc_err", DCCE(BAD_SC_ERR)),
848 FLAG_ENTRY0("bad_mid_tail_err", DCCE(BAD_MID_TAIL_ERR)),
849 FLAG_ENTRY0("bad_preemption_err", DCCE(BAD_PREEMPTION_ERR)),
850 FLAG_ENTRY0("preemption_err", DCCE(PREEMPTION_ERR)),
851 FLAG_ENTRY0("preemptionvl15_err", DCCE(PREEMPTIONVL15_ERR)),
852 FLAG_ENTRY0("bad_vl_marker_err", DCCE(BAD_VL_MARKER_ERR)),
853 FLAG_ENTRY0("bad_dlid_target_err", DCCE(BAD_DLID_TARGET_ERR)),
854 FLAG_ENTRY0("bad_lver_err", DCCE(BAD_LVER_ERR)),
855 FLAG_ENTRY0("uncorrectable_err", DCCE(UNCORRECTABLE_ERR)),
856 FLAG_ENTRY0("bad_crdt_ack_err", DCCE(BAD_CRDT_ACK_ERR)),
857 FLAG_ENTRY0("unsup_pkt_type", DCCE(UNSUP_PKT_TYPE)),
858 FLAG_ENTRY0("bad_ctrl_flit_err", DCCE(BAD_CTRL_FLIT_ERR)),
859 FLAG_ENTRY0("event_cntr_parity_err", DCCE(EVENT_CNTR_PARITY_ERR)),
860 FLAG_ENTRY0("event_cntr_rollover_err", DCCE(EVENT_CNTR_ROLLOVER_ERR)),
861 FLAG_ENTRY0("link_err", DCCE(LINK_ERR)),
862 FLAG_ENTRY0("misc_cntr_rollover_err", DCCE(MISC_CNTR_ROLLOVER_ERR)),
863 FLAG_ENTRY0("bad_ctrl_dist_err", DCCE(BAD_CTRL_DIST_ERR)),
864 FLAG_ENTRY0("bad_tail_dist_err", DCCE(BAD_TAIL_DIST_ERR)),
865 FLAG_ENTRY0("bad_head_dist_err", DCCE(BAD_HEAD_DIST_ERR)),
866 FLAG_ENTRY0("nonvl15_state_err", DCCE(NONVL15_STATE_ERR)),
867 FLAG_ENTRY0("vl15_multi_err", DCCE(VL15_MULTI_ERR)),
868 FLAG_ENTRY0("bad_pkt_length_err", DCCE(BAD_PKT_LENGTH_ERR)),
869 FLAG_ENTRY0("unsup_vl_err", DCCE(UNSUP_VL_ERR)),
870 FLAG_ENTRY0("perm_nvl15_err", DCCE(PERM_NVL15_ERR)),
871 FLAG_ENTRY0("slid_zero_err", DCCE(SLID_ZERO_ERR)),
872 FLAG_ENTRY0("dlid_zero_err", DCCE(DLID_ZERO_ERR)),
873 FLAG_ENTRY0("length_mtu_err", DCCE(LENGTH_MTU_ERR)),
874 FLAG_ENTRY0("rx_early_drop_err", DCCE(RX_EARLY_DROP_ERR)),
875 FLAG_ENTRY0("late_short_err", DCCE(LATE_SHORT_ERR)),
876 FLAG_ENTRY0("late_long_err", DCCE(LATE_LONG_ERR)),
877 FLAG_ENTRY0("late_ebp_err", DCCE(LATE_EBP_ERR)),
878 FLAG_ENTRY0("fpe_tx_fifo_ovflw_err", DCCE(FPE_TX_FIFO_OVFLW_ERR)),
879 FLAG_ENTRY0("fpe_tx_fifo_unflw_err", DCCE(FPE_TX_FIFO_UNFLW_ERR)),
880 FLAG_ENTRY0("csr_access_blocked_host", DCCE(CSR_ACCESS_BLOCKED_HOST)),
881 FLAG_ENTRY0("csr_access_blocked_uc", DCCE(CSR_ACCESS_BLOCKED_UC)),
882 FLAG_ENTRY0("tx_ctrl_parity_err", DCCE(TX_CTRL_PARITY_ERR)),
883 FLAG_ENTRY0("tx_ctrl_parity_mbe_err", DCCE(TX_CTRL_PARITY_MBE_ERR)),
884 FLAG_ENTRY0("tx_sc_parity_err", DCCE(TX_SC_PARITY_ERR)),
885 FLAG_ENTRY0("rx_ctrl_parity_mbe_err", DCCE(RX_CTRL_PARITY_MBE_ERR)),
886 FLAG_ENTRY0("csr_parity_err", DCCE(CSR_PARITY_ERR)),
887 FLAG_ENTRY0("csr_inval_addr", DCCE(CSR_INVAL_ADDR)),
888 FLAG_ENTRY0("tx_byte_shft_parity_err", DCCE(TX_BYTE_SHFT_PARITY_ERR)),
889 FLAG_ENTRY0("rx_byte_shft_parity_err", DCCE(RX_BYTE_SHFT_PARITY_ERR)),
890 FLAG_ENTRY0("fmconfig_err", DCCE(FMCONFIG_ERR)),
891 FLAG_ENTRY0("rcvport_err", DCCE(RCVPORT_ERR)),
897 #define LCBE(name) DC_LCB_ERR_FLG_##name##_SMASK
898 static struct flag_table lcb_err_flags[] = {
899 /* 0*/ FLAG_ENTRY0("CSR_PARITY_ERR", LCBE(CSR_PARITY_ERR)),
900 /* 1*/ FLAG_ENTRY0("INVALID_CSR_ADDR", LCBE(INVALID_CSR_ADDR)),
901 /* 2*/ FLAG_ENTRY0("RST_FOR_FAILED_DESKEW", LCBE(RST_FOR_FAILED_DESKEW)),
902 /* 3*/ FLAG_ENTRY0("ALL_LNS_FAILED_REINIT_TEST",
903 LCBE(ALL_LNS_FAILED_REINIT_TEST)),
904 /* 4*/ FLAG_ENTRY0("LOST_REINIT_STALL_OR_TOS", LCBE(LOST_REINIT_STALL_OR_TOS)),
905 /* 5*/ FLAG_ENTRY0("TX_LESS_THAN_FOUR_LNS", LCBE(TX_LESS_THAN_FOUR_LNS)),
906 /* 6*/ FLAG_ENTRY0("RX_LESS_THAN_FOUR_LNS", LCBE(RX_LESS_THAN_FOUR_LNS)),
907 /* 7*/ FLAG_ENTRY0("SEQ_CRC_ERR", LCBE(SEQ_CRC_ERR)),
908 /* 8*/ FLAG_ENTRY0("REINIT_FROM_PEER", LCBE(REINIT_FROM_PEER)),
909 /* 9*/ FLAG_ENTRY0("REINIT_FOR_LN_DEGRADE", LCBE(REINIT_FOR_LN_DEGRADE)),
910 /*10*/ FLAG_ENTRY0("CRC_ERR_CNT_HIT_LIMIT", LCBE(CRC_ERR_CNT_HIT_LIMIT)),
911 /*11*/ FLAG_ENTRY0("RCLK_STOPPED", LCBE(RCLK_STOPPED)),
912 /*12*/ FLAG_ENTRY0("UNEXPECTED_REPLAY_MARKER", LCBE(UNEXPECTED_REPLAY_MARKER)),
913 /*13*/ FLAG_ENTRY0("UNEXPECTED_ROUND_TRIP_MARKER",
914 LCBE(UNEXPECTED_ROUND_TRIP_MARKER)),
915 /*14*/ FLAG_ENTRY0("ILLEGAL_NULL_LTP", LCBE(ILLEGAL_NULL_LTP)),
916 /*15*/ FLAG_ENTRY0("ILLEGAL_FLIT_ENCODING", LCBE(ILLEGAL_FLIT_ENCODING)),
917 /*16*/ FLAG_ENTRY0("FLIT_INPUT_BUF_OFLW", LCBE(FLIT_INPUT_BUF_OFLW)),
918 /*17*/ FLAG_ENTRY0("VL_ACK_INPUT_BUF_OFLW", LCBE(VL_ACK_INPUT_BUF_OFLW)),
919 /*18*/ FLAG_ENTRY0("VL_ACK_INPUT_PARITY_ERR", LCBE(VL_ACK_INPUT_PARITY_ERR)),
920 /*19*/ FLAG_ENTRY0("VL_ACK_INPUT_WRONG_CRC_MODE",
921 LCBE(VL_ACK_INPUT_WRONG_CRC_MODE)),
922 /*20*/ FLAG_ENTRY0("FLIT_INPUT_BUF_MBE", LCBE(FLIT_INPUT_BUF_MBE)),
923 /*21*/ FLAG_ENTRY0("FLIT_INPUT_BUF_SBE", LCBE(FLIT_INPUT_BUF_SBE)),
924 /*22*/ FLAG_ENTRY0("REPLAY_BUF_MBE", LCBE(REPLAY_BUF_MBE)),
925 /*23*/ FLAG_ENTRY0("REPLAY_BUF_SBE", LCBE(REPLAY_BUF_SBE)),
926 /*24*/ FLAG_ENTRY0("CREDIT_RETURN_FLIT_MBE", LCBE(CREDIT_RETURN_FLIT_MBE)),
927 /*25*/ FLAG_ENTRY0("RST_FOR_LINK_TIMEOUT", LCBE(RST_FOR_LINK_TIMEOUT)),
928 /*26*/ FLAG_ENTRY0("RST_FOR_INCOMPLT_RND_TRIP",
929 LCBE(RST_FOR_INCOMPLT_RND_TRIP)),
930 /*27*/ FLAG_ENTRY0("HOLD_REINIT", LCBE(HOLD_REINIT)),
931 /*28*/ FLAG_ENTRY0("NEG_EDGE_LINK_TRANSFER_ACTIVE",
932 LCBE(NEG_EDGE_LINK_TRANSFER_ACTIVE)),
933 /*29*/ FLAG_ENTRY0("REDUNDANT_FLIT_PARITY_ERR",
934 LCBE(REDUNDANT_FLIT_PARITY_ERR))
940 #define D8E(name) DC_DC8051_ERR_FLG_##name##_SMASK
941 static struct flag_table dc8051_err_flags[] = {
942 FLAG_ENTRY0("SET_BY_8051", D8E(SET_BY_8051)),
943 FLAG_ENTRY0("LOST_8051_HEART_BEAT", D8E(LOST_8051_HEART_BEAT)),
944 FLAG_ENTRY0("CRAM_MBE", D8E(CRAM_MBE)),
945 FLAG_ENTRY0("CRAM_SBE", D8E(CRAM_SBE)),
946 FLAG_ENTRY0("DRAM_MBE", D8E(DRAM_MBE)),
947 FLAG_ENTRY0("DRAM_SBE", D8E(DRAM_SBE)),
948 FLAG_ENTRY0("IRAM_MBE", D8E(IRAM_MBE)),
949 FLAG_ENTRY0("IRAM_SBE", D8E(IRAM_SBE)),
950 FLAG_ENTRY0("UNMATCHED_SECURE_MSG_ACROSS_BCC_LANES",
951 D8E(UNMATCHED_SECURE_MSG_ACROSS_BCC_LANES)),
952 FLAG_ENTRY0("INVALID_CSR_ADDR", D8E(INVALID_CSR_ADDR)),
956 * DC8051 Information Error flags
958 * Flags in DC8051_DBG_ERR_INFO_SET_BY_8051.ERROR field.
960 static struct flag_table dc8051_info_err_flags[] = {
961 FLAG_ENTRY0("Spico ROM check failed", SPICO_ROM_FAILED),
962 FLAG_ENTRY0("Unknown frame received", UNKNOWN_FRAME),
963 FLAG_ENTRY0("Target BER not met", TARGET_BER_NOT_MET),
964 FLAG_ENTRY0("Serdes internal loopback failure",
965 FAILED_SERDES_INTERNAL_LOOPBACK),
966 FLAG_ENTRY0("Failed SerDes init", FAILED_SERDES_INIT),
967 FLAG_ENTRY0("Failed LNI(Polling)", FAILED_LNI_POLLING),
968 FLAG_ENTRY0("Failed LNI(Debounce)", FAILED_LNI_DEBOUNCE),
969 FLAG_ENTRY0("Failed LNI(EstbComm)", FAILED_LNI_ESTBCOMM),
970 FLAG_ENTRY0("Failed LNI(OptEq)", FAILED_LNI_OPTEQ),
971 FLAG_ENTRY0("Failed LNI(VerifyCap_1)", FAILED_LNI_VERIFY_CAP1),
972 FLAG_ENTRY0("Failed LNI(VerifyCap_2)", FAILED_LNI_VERIFY_CAP2),
973 FLAG_ENTRY0("Failed LNI(ConfigLT)", FAILED_LNI_CONFIGLT),
974 FLAG_ENTRY0("Host Handshake Timeout", HOST_HANDSHAKE_TIMEOUT)
978 * DC8051 Information Host Information flags
980 * Flags in DC8051_DBG_ERR_INFO_SET_BY_8051.HOST_MSG field.
982 static struct flag_table dc8051_info_host_msg_flags[] = {
983 FLAG_ENTRY0("Host request done", 0x0001),
984 FLAG_ENTRY0("BC SMA message", 0x0002),
985 FLAG_ENTRY0("BC PWR_MGM message", 0x0004),
986 FLAG_ENTRY0("BC Unknown message (BCC)", 0x0008),
987 FLAG_ENTRY0("BC Unknown message (LCB)", 0x0010),
988 FLAG_ENTRY0("External device config request", 0x0020),
989 FLAG_ENTRY0("VerifyCap all frames received", 0x0040),
990 FLAG_ENTRY0("LinkUp achieved", 0x0080),
991 FLAG_ENTRY0("Link going down", 0x0100),
994 static u32 encoded_size(u32 size);
995 static u32 chip_to_opa_lstate(struct hfi1_devdata *dd, u32 chip_lstate);
996 static int set_physical_link_state(struct hfi1_devdata *dd, u64 state);
997 static void read_vc_remote_phy(struct hfi1_devdata *dd, u8 *power_management,
999 static void read_vc_remote_fabric(struct hfi1_devdata *dd, u8 *vau, u8 *z,
1000 u8 *vcu, u16 *vl15buf, u8 *crc_sizes);
1001 static void read_vc_remote_link_width(struct hfi1_devdata *dd,
1002 u8 *remote_tx_rate, u16 *link_widths);
1003 static void read_vc_local_link_width(struct hfi1_devdata *dd, u8 *misc_bits,
1004 u8 *flag_bits, u16 *link_widths);
1005 static void read_remote_device_id(struct hfi1_devdata *dd, u16 *device_id,
1007 static void read_mgmt_allowed(struct hfi1_devdata *dd, u8 *mgmt_allowed);
1008 static void read_local_lni(struct hfi1_devdata *dd, u8 *enable_lane_rx);
1009 static int read_tx_settings(struct hfi1_devdata *dd, u8 *enable_lane_tx,
1010 u8 *tx_polarity_inversion,
1011 u8 *rx_polarity_inversion, u8 *max_rate);
1012 static void handle_sdma_eng_err(struct hfi1_devdata *dd,
1013 unsigned int context, u64 err_status);
1014 static void handle_qsfp_int(struct hfi1_devdata *dd, u32 source, u64 reg);
1015 static void handle_dcc_err(struct hfi1_devdata *dd,
1016 unsigned int context, u64 err_status);
1017 static void handle_lcb_err(struct hfi1_devdata *dd,
1018 unsigned int context, u64 err_status);
1019 static void handle_8051_interrupt(struct hfi1_devdata *dd, u32 unused, u64 reg);
1020 static void handle_cce_err(struct hfi1_devdata *dd, u32 unused, u64 reg);
1021 static void handle_rxe_err(struct hfi1_devdata *dd, u32 unused, u64 reg);
1022 static void handle_misc_err(struct hfi1_devdata *dd, u32 unused, u64 reg);
1023 static void handle_pio_err(struct hfi1_devdata *dd, u32 unused, u64 reg);
1024 static void handle_sdma_err(struct hfi1_devdata *dd, u32 unused, u64 reg);
1025 static void handle_egress_err(struct hfi1_devdata *dd, u32 unused, u64 reg);
1026 static void handle_txe_err(struct hfi1_devdata *dd, u32 unused, u64 reg);
1027 static void set_partition_keys(struct hfi1_pportdata *);
1028 static const char *link_state_name(u32 state);
1029 static const char *link_state_reason_name(struct hfi1_pportdata *ppd,
1031 static int do_8051_command(struct hfi1_devdata *dd, u32 type, u64 in_data,
1033 static int read_idle_sma(struct hfi1_devdata *dd, u64 *data);
1034 static int thermal_init(struct hfi1_devdata *dd);
1036 static int wait_logical_linkstate(struct hfi1_pportdata *ppd, u32 state,
1038 static void read_planned_down_reason_code(struct hfi1_devdata *dd, u8 *pdrrc);
1039 static void read_link_down_reason(struct hfi1_devdata *dd, u8 *ldr);
1040 static void handle_temp_err(struct hfi1_devdata *);
1041 static void dc_shutdown(struct hfi1_devdata *);
1042 static void dc_start(struct hfi1_devdata *);
1043 static int qos_rmt_entries(struct hfi1_devdata *dd, unsigned int *mp,
1045 static void clear_full_mgmt_pkey(struct hfi1_pportdata *ppd);
1048 * Error interrupt table entry. This is used as input to the interrupt
1049 * "clear down" routine used for all second tier error interrupt register.
1050 * Second tier interrupt registers have a single bit representing them
1051 * in the top-level CceIntStatus.
1053 struct err_reg_info {
1054 u32 status; /* status CSR offset */
1055 u32 clear; /* clear CSR offset */
1056 u32 mask; /* mask CSR offset */
1057 void (*handler)(struct hfi1_devdata *dd, u32 source, u64 reg);
1061 #define NUM_MISC_ERRS (IS_GENERAL_ERR_END - IS_GENERAL_ERR_START)
1062 #define NUM_DC_ERRS (IS_DC_END - IS_DC_START)
1063 #define NUM_VARIOUS (IS_VARIOUS_END - IS_VARIOUS_START)
1066 * Helpers for building HFI and DC error interrupt table entries. Different
1067 * helpers are needed because of inconsistent register names.
1069 #define EE(reg, handler, desc) \
1070 { reg##_STATUS, reg##_CLEAR, reg##_MASK, \
1072 #define DC_EE1(reg, handler, desc) \
1073 { reg##_FLG, reg##_FLG_CLR, reg##_FLG_EN, handler, desc }
1074 #define DC_EE2(reg, handler, desc) \
1075 { reg##_FLG, reg##_CLR, reg##_EN, handler, desc }
1078 * Table of the "misc" grouping of error interrupts. Each entry refers to
1079 * another register containing more information.
1081 static const struct err_reg_info misc_errs[NUM_MISC_ERRS] = {
1082 /* 0*/ EE(CCE_ERR, handle_cce_err, "CceErr"),
1083 /* 1*/ EE(RCV_ERR, handle_rxe_err, "RxeErr"),
1084 /* 2*/ EE(MISC_ERR, handle_misc_err, "MiscErr"),
1085 /* 3*/ { 0, 0, 0, NULL }, /* reserved */
1086 /* 4*/ EE(SEND_PIO_ERR, handle_pio_err, "PioErr"),
1087 /* 5*/ EE(SEND_DMA_ERR, handle_sdma_err, "SDmaErr"),
1088 /* 6*/ EE(SEND_EGRESS_ERR, handle_egress_err, "EgressErr"),
1089 /* 7*/ EE(SEND_ERR, handle_txe_err, "TxeErr")
1090 /* the rest are reserved */
1094 * Index into the Various section of the interrupt sources
1095 * corresponding to the Critical Temperature interrupt.
1097 #define TCRIT_INT_SOURCE 4
1100 * SDMA error interrupt entry - refers to another register containing more
1103 static const struct err_reg_info sdma_eng_err =
1104 EE(SEND_DMA_ENG_ERR, handle_sdma_eng_err, "SDmaEngErr");
1106 static const struct err_reg_info various_err[NUM_VARIOUS] = {
1107 /* 0*/ { 0, 0, 0, NULL }, /* PbcInt */
1108 /* 1*/ { 0, 0, 0, NULL }, /* GpioAssertInt */
1109 /* 2*/ EE(ASIC_QSFP1, handle_qsfp_int, "QSFP1"),
1110 /* 3*/ EE(ASIC_QSFP2, handle_qsfp_int, "QSFP2"),
1111 /* 4*/ { 0, 0, 0, NULL }, /* TCritInt */
1112 /* rest are reserved */
1116 * The DC encoding of mtu_cap for 10K MTU in the DCC_CFG_PORT_CONFIG
1117 * register can not be derived from the MTU value because 10K is not
1118 * a power of 2. Therefore, we need a constant. Everything else can
1121 #define DCC_CFG_PORT_MTU_CAP_10240 7
1124 * Table of the DC grouping of error interrupts. Each entry refers to
1125 * another register containing more information.
1127 static const struct err_reg_info dc_errs[NUM_DC_ERRS] = {
1128 /* 0*/ DC_EE1(DCC_ERR, handle_dcc_err, "DCC Err"),
1129 /* 1*/ DC_EE2(DC_LCB_ERR, handle_lcb_err, "LCB Err"),
1130 /* 2*/ DC_EE2(DC_DC8051_ERR, handle_8051_interrupt, "DC8051 Interrupt"),
1131 /* 3*/ /* dc_lbm_int - special, see is_dc_int() */
1132 /* the rest are reserved */
1142 * csr to read for name (if applicable)
1147 * offset into dd or ppd to store the counter's value
1157 * accessor for stat element, context either dd or ppd
1159 u64 (*rw_cntr)(const struct cntr_entry *, void *context, int vl,
1160 int mode, u64 data);
1163 #define C_RCV_HDR_OVF_FIRST C_RCV_HDR_OVF_0
1164 #define C_RCV_HDR_OVF_LAST C_RCV_HDR_OVF_159
1166 #define CNTR_ELEM(name, csr, offset, flags, accessor) \
1176 #define RXE32_PORT_CNTR_ELEM(name, counter, flags) \
1178 (counter * 8 + RCV_COUNTER_ARRAY32), \
1179 0, flags | CNTR_32BIT, \
1180 port_access_u32_csr)
1182 #define RXE32_DEV_CNTR_ELEM(name, counter, flags) \
1184 (counter * 8 + RCV_COUNTER_ARRAY32), \
1185 0, flags | CNTR_32BIT, \
1189 #define RXE64_PORT_CNTR_ELEM(name, counter, flags) \
1191 (counter * 8 + RCV_COUNTER_ARRAY64), \
1193 port_access_u64_csr)
1195 #define RXE64_DEV_CNTR_ELEM(name, counter, flags) \
1197 (counter * 8 + RCV_COUNTER_ARRAY64), \
1201 #define OVR_LBL(ctx) C_RCV_HDR_OVF_ ## ctx
1202 #define OVR_ELM(ctx) \
1203 CNTR_ELEM("RcvHdrOvr" #ctx, \
1204 (RCV_HDR_OVFL_CNT + ctx * 0x100), \
1205 0, CNTR_NORMAL, port_access_u64_csr)
1208 #define TXE32_PORT_CNTR_ELEM(name, counter, flags) \
1210 (counter * 8 + SEND_COUNTER_ARRAY32), \
1211 0, flags | CNTR_32BIT, \
1212 port_access_u32_csr)
1215 #define TXE64_PORT_CNTR_ELEM(name, counter, flags) \
1217 (counter * 8 + SEND_COUNTER_ARRAY64), \
1219 port_access_u64_csr)
1221 # define TX64_DEV_CNTR_ELEM(name, counter, flags) \
1223 counter * 8 + SEND_COUNTER_ARRAY64, \
1229 #define CCE_PERF_DEV_CNTR_ELEM(name, counter, flags) \
1231 (counter * 8 + CCE_COUNTER_ARRAY32), \
1232 0, flags | CNTR_32BIT, \
1235 #define CCE_INT_DEV_CNTR_ELEM(name, counter, flags) \
1237 (counter * 8 + CCE_INT_COUNTER_ARRAY32), \
1238 0, flags | CNTR_32BIT, \
1242 #define DC_PERF_CNTR(name, counter, flags) \
1249 #define DC_PERF_CNTR_LCB(name, counter, flags) \
1257 #define SW_IBP_CNTR(name, cntr) \
1264 u64 read_csr(const struct hfi1_devdata *dd, u32 offset)
1266 if (dd->flags & HFI1_PRESENT) {
1267 return readq((void __iomem *)dd->kregbase + offset);
1272 void write_csr(const struct hfi1_devdata *dd, u32 offset, u64 value)
1274 if (dd->flags & HFI1_PRESENT)
1275 writeq(value, (void __iomem *)dd->kregbase + offset);
1278 void __iomem *get_csr_addr(
1279 struct hfi1_devdata *dd,
1282 return (void __iomem *)dd->kregbase + offset;
1285 static inline u64 read_write_csr(const struct hfi1_devdata *dd, u32 csr,
1286 int mode, u64 value)
1290 if (mode == CNTR_MODE_R) {
1291 ret = read_csr(dd, csr);
1292 } else if (mode == CNTR_MODE_W) {
1293 write_csr(dd, csr, value);
1296 dd_dev_err(dd, "Invalid cntr register access mode");
1300 hfi1_cdbg(CNTR, "csr 0x%x val 0x%llx mode %d", csr, ret, mode);
1305 static u64 dev_access_u32_csr(const struct cntr_entry *entry,
1306 void *context, int vl, int mode, u64 data)
1308 struct hfi1_devdata *dd = context;
1309 u64 csr = entry->csr;
1311 if (entry->flags & CNTR_SDMA) {
1312 if (vl == CNTR_INVALID_VL)
1316 if (vl != CNTR_INVALID_VL)
1319 return read_write_csr(dd, csr, mode, data);
1322 static u64 access_sde_err_cnt(const struct cntr_entry *entry,
1323 void *context, int idx, int mode, u64 data)
1325 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1327 if (dd->per_sdma && idx < dd->num_sdma)
1328 return dd->per_sdma[idx].err_cnt;
1332 static u64 access_sde_int_cnt(const struct cntr_entry *entry,
1333 void *context, int idx, int mode, u64 data)
1335 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1337 if (dd->per_sdma && idx < dd->num_sdma)
1338 return dd->per_sdma[idx].sdma_int_cnt;
1342 static u64 access_sde_idle_int_cnt(const struct cntr_entry *entry,
1343 void *context, int idx, int mode, u64 data)
1345 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1347 if (dd->per_sdma && idx < dd->num_sdma)
1348 return dd->per_sdma[idx].idle_int_cnt;
1352 static u64 access_sde_progress_int_cnt(const struct cntr_entry *entry,
1353 void *context, int idx, int mode,
1356 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1358 if (dd->per_sdma && idx < dd->num_sdma)
1359 return dd->per_sdma[idx].progress_int_cnt;
1363 static u64 dev_access_u64_csr(const struct cntr_entry *entry, void *context,
1364 int vl, int mode, u64 data)
1366 struct hfi1_devdata *dd = context;
1369 u64 csr = entry->csr;
1371 if (entry->flags & CNTR_VL) {
1372 if (vl == CNTR_INVALID_VL)
1376 if (vl != CNTR_INVALID_VL)
1380 val = read_write_csr(dd, csr, mode, data);
1384 static u64 dc_access_lcb_cntr(const struct cntr_entry *entry, void *context,
1385 int vl, int mode, u64 data)
1387 struct hfi1_devdata *dd = context;
1388 u32 csr = entry->csr;
1391 if (vl != CNTR_INVALID_VL)
1393 if (mode == CNTR_MODE_R)
1394 ret = read_lcb_csr(dd, csr, &data);
1395 else if (mode == CNTR_MODE_W)
1396 ret = write_lcb_csr(dd, csr, data);
1399 dd_dev_err(dd, "Could not acquire LCB for counter 0x%x", csr);
1403 hfi1_cdbg(CNTR, "csr 0x%x val 0x%llx mode %d", csr, data, mode);
1408 static u64 port_access_u32_csr(const struct cntr_entry *entry, void *context,
1409 int vl, int mode, u64 data)
1411 struct hfi1_pportdata *ppd = context;
1413 if (vl != CNTR_INVALID_VL)
1415 return read_write_csr(ppd->dd, entry->csr, mode, data);
1418 static u64 port_access_u64_csr(const struct cntr_entry *entry,
1419 void *context, int vl, int mode, u64 data)
1421 struct hfi1_pportdata *ppd = context;
1423 u64 csr = entry->csr;
1425 if (entry->flags & CNTR_VL) {
1426 if (vl == CNTR_INVALID_VL)
1430 if (vl != CNTR_INVALID_VL)
1433 val = read_write_csr(ppd->dd, csr, mode, data);
1437 /* Software defined */
1438 static inline u64 read_write_sw(struct hfi1_devdata *dd, u64 *cntr, int mode,
1443 if (mode == CNTR_MODE_R) {
1445 } else if (mode == CNTR_MODE_W) {
1449 dd_dev_err(dd, "Invalid cntr sw access mode");
1453 hfi1_cdbg(CNTR, "val 0x%llx mode %d", ret, mode);
1458 static u64 access_sw_link_dn_cnt(const struct cntr_entry *entry, void *context,
1459 int vl, int mode, u64 data)
1461 struct hfi1_pportdata *ppd = context;
1463 if (vl != CNTR_INVALID_VL)
1465 return read_write_sw(ppd->dd, &ppd->link_downed, mode, data);
1468 static u64 access_sw_link_up_cnt(const struct cntr_entry *entry, void *context,
1469 int vl, int mode, u64 data)
1471 struct hfi1_pportdata *ppd = context;
1473 if (vl != CNTR_INVALID_VL)
1475 return read_write_sw(ppd->dd, &ppd->link_up, mode, data);
1478 static u64 access_sw_unknown_frame_cnt(const struct cntr_entry *entry,
1479 void *context, int vl, int mode,
1482 struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)context;
1484 if (vl != CNTR_INVALID_VL)
1486 return read_write_sw(ppd->dd, &ppd->unknown_frame_count, mode, data);
1489 static u64 access_sw_xmit_discards(const struct cntr_entry *entry,
1490 void *context, int vl, int mode, u64 data)
1492 struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)context;
1496 if (vl == CNTR_INVALID_VL)
1497 counter = &ppd->port_xmit_discards;
1498 else if (vl >= 0 && vl < C_VL_COUNT)
1499 counter = &ppd->port_xmit_discards_vl[vl];
1503 return read_write_sw(ppd->dd, counter, mode, data);
1506 static u64 access_xmit_constraint_errs(const struct cntr_entry *entry,
1507 void *context, int vl, int mode,
1510 struct hfi1_pportdata *ppd = context;
1512 if (vl != CNTR_INVALID_VL)
1515 return read_write_sw(ppd->dd, &ppd->port_xmit_constraint_errors,
1519 static u64 access_rcv_constraint_errs(const struct cntr_entry *entry,
1520 void *context, int vl, int mode, u64 data)
1522 struct hfi1_pportdata *ppd = context;
1524 if (vl != CNTR_INVALID_VL)
1527 return read_write_sw(ppd->dd, &ppd->port_rcv_constraint_errors,
1531 u64 get_all_cpu_total(u64 __percpu *cntr)
1536 for_each_possible_cpu(cpu)
1537 counter += *per_cpu_ptr(cntr, cpu);
1541 static u64 read_write_cpu(struct hfi1_devdata *dd, u64 *z_val,
1543 int vl, int mode, u64 data)
1547 if (vl != CNTR_INVALID_VL)
1550 if (mode == CNTR_MODE_R) {
1551 ret = get_all_cpu_total(cntr) - *z_val;
1552 } else if (mode == CNTR_MODE_W) {
1553 /* A write can only zero the counter */
1555 *z_val = get_all_cpu_total(cntr);
1557 dd_dev_err(dd, "Per CPU cntrs can only be zeroed");
1559 dd_dev_err(dd, "Invalid cntr sw cpu access mode");
1566 static u64 access_sw_cpu_intr(const struct cntr_entry *entry,
1567 void *context, int vl, int mode, u64 data)
1569 struct hfi1_devdata *dd = context;
1571 return read_write_cpu(dd, &dd->z_int_counter, dd->int_counter, vl,
1575 static u64 access_sw_cpu_rcv_limit(const struct cntr_entry *entry,
1576 void *context, int vl, int mode, u64 data)
1578 struct hfi1_devdata *dd = context;
1580 return read_write_cpu(dd, &dd->z_rcv_limit, dd->rcv_limit, vl,
1584 static u64 access_sw_pio_wait(const struct cntr_entry *entry,
1585 void *context, int vl, int mode, u64 data)
1587 struct hfi1_devdata *dd = context;
1589 return dd->verbs_dev.n_piowait;
1592 static u64 access_sw_pio_drain(const struct cntr_entry *entry,
1593 void *context, int vl, int mode, u64 data)
1595 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1597 return dd->verbs_dev.n_piodrain;
1600 static u64 access_sw_vtx_wait(const struct cntr_entry *entry,
1601 void *context, int vl, int mode, u64 data)
1603 struct hfi1_devdata *dd = context;
1605 return dd->verbs_dev.n_txwait;
1608 static u64 access_sw_kmem_wait(const struct cntr_entry *entry,
1609 void *context, int vl, int mode, u64 data)
1611 struct hfi1_devdata *dd = context;
1613 return dd->verbs_dev.n_kmem_wait;
1616 static u64 access_sw_send_schedule(const struct cntr_entry *entry,
1617 void *context, int vl, int mode, u64 data)
1619 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1621 return read_write_cpu(dd, &dd->z_send_schedule, dd->send_schedule, vl,
1625 /* Software counters for the error status bits within MISC_ERR_STATUS */
1626 static u64 access_misc_pll_lock_fail_err_cnt(const struct cntr_entry *entry,
1627 void *context, int vl, int mode,
1630 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1632 return dd->misc_err_status_cnt[12];
1635 static u64 access_misc_mbist_fail_err_cnt(const struct cntr_entry *entry,
1636 void *context, int vl, int mode,
1639 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1641 return dd->misc_err_status_cnt[11];
1644 static u64 access_misc_invalid_eep_cmd_err_cnt(const struct cntr_entry *entry,
1645 void *context, int vl, int mode,
1648 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1650 return dd->misc_err_status_cnt[10];
1653 static u64 access_misc_efuse_done_parity_err_cnt(const struct cntr_entry *entry,
1654 void *context, int vl,
1657 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1659 return dd->misc_err_status_cnt[9];
1662 static u64 access_misc_efuse_write_err_cnt(const struct cntr_entry *entry,
1663 void *context, int vl, int mode,
1666 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1668 return dd->misc_err_status_cnt[8];
1671 static u64 access_misc_efuse_read_bad_addr_err_cnt(
1672 const struct cntr_entry *entry,
1673 void *context, int vl, int mode, u64 data)
1675 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1677 return dd->misc_err_status_cnt[7];
1680 static u64 access_misc_efuse_csr_parity_err_cnt(const struct cntr_entry *entry,
1681 void *context, int vl,
1684 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1686 return dd->misc_err_status_cnt[6];
1689 static u64 access_misc_fw_auth_failed_err_cnt(const struct cntr_entry *entry,
1690 void *context, int vl, int mode,
1693 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1695 return dd->misc_err_status_cnt[5];
1698 static u64 access_misc_key_mismatch_err_cnt(const struct cntr_entry *entry,
1699 void *context, int vl, int mode,
1702 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1704 return dd->misc_err_status_cnt[4];
1707 static u64 access_misc_sbus_write_failed_err_cnt(const struct cntr_entry *entry,
1708 void *context, int vl,
1711 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1713 return dd->misc_err_status_cnt[3];
1716 static u64 access_misc_csr_write_bad_addr_err_cnt(
1717 const struct cntr_entry *entry,
1718 void *context, int vl, int mode, u64 data)
1720 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1722 return dd->misc_err_status_cnt[2];
1725 static u64 access_misc_csr_read_bad_addr_err_cnt(const struct cntr_entry *entry,
1726 void *context, int vl,
1729 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1731 return dd->misc_err_status_cnt[1];
1734 static u64 access_misc_csr_parity_err_cnt(const struct cntr_entry *entry,
1735 void *context, int vl, int mode,
1738 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1740 return dd->misc_err_status_cnt[0];
1744 * Software counter for the aggregate of
1745 * individual CceErrStatus counters
1747 static u64 access_sw_cce_err_status_aggregated_cnt(
1748 const struct cntr_entry *entry,
1749 void *context, int vl, int mode, u64 data)
1751 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1753 return dd->sw_cce_err_status_aggregate;
1757 * Software counters corresponding to each of the
1758 * error status bits within CceErrStatus
1760 static u64 access_cce_msix_csr_parity_err_cnt(const struct cntr_entry *entry,
1761 void *context, int vl, int mode,
1764 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1766 return dd->cce_err_status_cnt[40];
1769 static u64 access_cce_int_map_unc_err_cnt(const struct cntr_entry *entry,
1770 void *context, int vl, int mode,
1773 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1775 return dd->cce_err_status_cnt[39];
1778 static u64 access_cce_int_map_cor_err_cnt(const struct cntr_entry *entry,
1779 void *context, int vl, int mode,
1782 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1784 return dd->cce_err_status_cnt[38];
1787 static u64 access_cce_msix_table_unc_err_cnt(const struct cntr_entry *entry,
1788 void *context, int vl, int mode,
1791 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1793 return dd->cce_err_status_cnt[37];
1796 static u64 access_cce_msix_table_cor_err_cnt(const struct cntr_entry *entry,
1797 void *context, int vl, int mode,
1800 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1802 return dd->cce_err_status_cnt[36];
1805 static u64 access_cce_rxdma_conv_fifo_parity_err_cnt(
1806 const struct cntr_entry *entry,
1807 void *context, int vl, int mode, u64 data)
1809 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1811 return dd->cce_err_status_cnt[35];
1814 static u64 access_cce_rcpl_async_fifo_parity_err_cnt(
1815 const struct cntr_entry *entry,
1816 void *context, int vl, int mode, u64 data)
1818 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1820 return dd->cce_err_status_cnt[34];
1823 static u64 access_cce_seg_write_bad_addr_err_cnt(const struct cntr_entry *entry,
1824 void *context, int vl,
1827 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1829 return dd->cce_err_status_cnt[33];
1832 static u64 access_cce_seg_read_bad_addr_err_cnt(const struct cntr_entry *entry,
1833 void *context, int vl, int mode,
1836 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1838 return dd->cce_err_status_cnt[32];
1841 static u64 access_la_triggered_cnt(const struct cntr_entry *entry,
1842 void *context, int vl, int mode, u64 data)
1844 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1846 return dd->cce_err_status_cnt[31];
1849 static u64 access_cce_trgt_cpl_timeout_err_cnt(const struct cntr_entry *entry,
1850 void *context, int vl, int mode,
1853 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1855 return dd->cce_err_status_cnt[30];
1858 static u64 access_pcic_receive_parity_err_cnt(const struct cntr_entry *entry,
1859 void *context, int vl, int mode,
1862 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1864 return dd->cce_err_status_cnt[29];
1867 static u64 access_pcic_transmit_back_parity_err_cnt(
1868 const struct cntr_entry *entry,
1869 void *context, int vl, int mode, u64 data)
1871 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1873 return dd->cce_err_status_cnt[28];
1876 static u64 access_pcic_transmit_front_parity_err_cnt(
1877 const struct cntr_entry *entry,
1878 void *context, int vl, int mode, u64 data)
1880 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1882 return dd->cce_err_status_cnt[27];
1885 static u64 access_pcic_cpl_dat_q_unc_err_cnt(const struct cntr_entry *entry,
1886 void *context, int vl, int mode,
1889 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1891 return dd->cce_err_status_cnt[26];
1894 static u64 access_pcic_cpl_hd_q_unc_err_cnt(const struct cntr_entry *entry,
1895 void *context, int vl, int mode,
1898 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1900 return dd->cce_err_status_cnt[25];
1903 static u64 access_pcic_post_dat_q_unc_err_cnt(const struct cntr_entry *entry,
1904 void *context, int vl, int mode,
1907 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1909 return dd->cce_err_status_cnt[24];
1912 static u64 access_pcic_post_hd_q_unc_err_cnt(const struct cntr_entry *entry,
1913 void *context, int vl, int mode,
1916 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1918 return dd->cce_err_status_cnt[23];
1921 static u64 access_pcic_retry_sot_mem_unc_err_cnt(const struct cntr_entry *entry,
1922 void *context, int vl,
1925 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1927 return dd->cce_err_status_cnt[22];
1930 static u64 access_pcic_retry_mem_unc_err(const struct cntr_entry *entry,
1931 void *context, int vl, int mode,
1934 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1936 return dd->cce_err_status_cnt[21];
1939 static u64 access_pcic_n_post_dat_q_parity_err_cnt(
1940 const struct cntr_entry *entry,
1941 void *context, int vl, int mode, u64 data)
1943 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1945 return dd->cce_err_status_cnt[20];
1948 static u64 access_pcic_n_post_h_q_parity_err_cnt(const struct cntr_entry *entry,
1949 void *context, int vl,
1952 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1954 return dd->cce_err_status_cnt[19];
1957 static u64 access_pcic_cpl_dat_q_cor_err_cnt(const struct cntr_entry *entry,
1958 void *context, int vl, int mode,
1961 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1963 return dd->cce_err_status_cnt[18];
1966 static u64 access_pcic_cpl_hd_q_cor_err_cnt(const struct cntr_entry *entry,
1967 void *context, int vl, int mode,
1970 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1972 return dd->cce_err_status_cnt[17];
1975 static u64 access_pcic_post_dat_q_cor_err_cnt(const struct cntr_entry *entry,
1976 void *context, int vl, int mode,
1979 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1981 return dd->cce_err_status_cnt[16];
1984 static u64 access_pcic_post_hd_q_cor_err_cnt(const struct cntr_entry *entry,
1985 void *context, int vl, int mode,
1988 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1990 return dd->cce_err_status_cnt[15];
1993 static u64 access_pcic_retry_sot_mem_cor_err_cnt(const struct cntr_entry *entry,
1994 void *context, int vl,
1997 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
1999 return dd->cce_err_status_cnt[14];
2002 static u64 access_pcic_retry_mem_cor_err_cnt(const struct cntr_entry *entry,
2003 void *context, int vl, int mode,
2006 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2008 return dd->cce_err_status_cnt[13];
2011 static u64 access_cce_cli1_async_fifo_dbg_parity_err_cnt(
2012 const struct cntr_entry *entry,
2013 void *context, int vl, int mode, u64 data)
2015 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2017 return dd->cce_err_status_cnt[12];
2020 static u64 access_cce_cli1_async_fifo_rxdma_parity_err_cnt(
2021 const struct cntr_entry *entry,
2022 void *context, int vl, int mode, u64 data)
2024 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2026 return dd->cce_err_status_cnt[11];
2029 static u64 access_cce_cli1_async_fifo_sdma_hd_parity_err_cnt(
2030 const struct cntr_entry *entry,
2031 void *context, int vl, int mode, u64 data)
2033 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2035 return dd->cce_err_status_cnt[10];
2038 static u64 access_cce_cl1_async_fifo_pio_crdt_parity_err_cnt(
2039 const struct cntr_entry *entry,
2040 void *context, int vl, int mode, u64 data)
2042 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2044 return dd->cce_err_status_cnt[9];
2047 static u64 access_cce_cli2_async_fifo_parity_err_cnt(
2048 const struct cntr_entry *entry,
2049 void *context, int vl, int mode, u64 data)
2051 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2053 return dd->cce_err_status_cnt[8];
2056 static u64 access_cce_csr_cfg_bus_parity_err_cnt(const struct cntr_entry *entry,
2057 void *context, int vl,
2060 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2062 return dd->cce_err_status_cnt[7];
2065 static u64 access_cce_cli0_async_fifo_parity_err_cnt(
2066 const struct cntr_entry *entry,
2067 void *context, int vl, int mode, u64 data)
2069 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2071 return dd->cce_err_status_cnt[6];
2074 static u64 access_cce_rspd_data_parity_err_cnt(const struct cntr_entry *entry,
2075 void *context, int vl, int mode,
2078 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2080 return dd->cce_err_status_cnt[5];
2083 static u64 access_cce_trgt_access_err_cnt(const struct cntr_entry *entry,
2084 void *context, int vl, int mode,
2087 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2089 return dd->cce_err_status_cnt[4];
2092 static u64 access_cce_trgt_async_fifo_parity_err_cnt(
2093 const struct cntr_entry *entry,
2094 void *context, int vl, int mode, u64 data)
2096 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2098 return dd->cce_err_status_cnt[3];
2101 static u64 access_cce_csr_write_bad_addr_err_cnt(const struct cntr_entry *entry,
2102 void *context, int vl,
2105 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2107 return dd->cce_err_status_cnt[2];
2110 static u64 access_cce_csr_read_bad_addr_err_cnt(const struct cntr_entry *entry,
2111 void *context, int vl,
2114 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2116 return dd->cce_err_status_cnt[1];
2119 static u64 access_ccs_csr_parity_err_cnt(const struct cntr_entry *entry,
2120 void *context, int vl, int mode,
2123 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2125 return dd->cce_err_status_cnt[0];
2129 * Software counters corresponding to each of the
2130 * error status bits within RcvErrStatus
2132 static u64 access_rx_csr_parity_err_cnt(const struct cntr_entry *entry,
2133 void *context, int vl, int mode,
2136 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2138 return dd->rcv_err_status_cnt[63];
2141 static u64 access_rx_csr_write_bad_addr_err_cnt(const struct cntr_entry *entry,
2142 void *context, int vl,
2145 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2147 return dd->rcv_err_status_cnt[62];
2150 static u64 access_rx_csr_read_bad_addr_err_cnt(const struct cntr_entry *entry,
2151 void *context, int vl, int mode,
2154 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2156 return dd->rcv_err_status_cnt[61];
2159 static u64 access_rx_dma_csr_unc_err_cnt(const struct cntr_entry *entry,
2160 void *context, int vl, int mode,
2163 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2165 return dd->rcv_err_status_cnt[60];
2168 static u64 access_rx_dma_dq_fsm_encoding_err_cnt(const struct cntr_entry *entry,
2169 void *context, int vl,
2172 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2174 return dd->rcv_err_status_cnt[59];
2177 static u64 access_rx_dma_eq_fsm_encoding_err_cnt(const struct cntr_entry *entry,
2178 void *context, int vl,
2181 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2183 return dd->rcv_err_status_cnt[58];
2186 static u64 access_rx_dma_csr_parity_err_cnt(const struct cntr_entry *entry,
2187 void *context, int vl, int mode,
2190 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2192 return dd->rcv_err_status_cnt[57];
2195 static u64 access_rx_rbuf_data_cor_err_cnt(const struct cntr_entry *entry,
2196 void *context, int vl, int mode,
2199 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2201 return dd->rcv_err_status_cnt[56];
2204 static u64 access_rx_rbuf_data_unc_err_cnt(const struct cntr_entry *entry,
2205 void *context, int vl, int mode,
2208 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2210 return dd->rcv_err_status_cnt[55];
2213 static u64 access_rx_dma_data_fifo_rd_cor_err_cnt(
2214 const struct cntr_entry *entry,
2215 void *context, int vl, int mode, u64 data)
2217 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2219 return dd->rcv_err_status_cnt[54];
2222 static u64 access_rx_dma_data_fifo_rd_unc_err_cnt(
2223 const struct cntr_entry *entry,
2224 void *context, int vl, int mode, u64 data)
2226 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2228 return dd->rcv_err_status_cnt[53];
2231 static u64 access_rx_dma_hdr_fifo_rd_cor_err_cnt(const struct cntr_entry *entry,
2232 void *context, int vl,
2235 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2237 return dd->rcv_err_status_cnt[52];
2240 static u64 access_rx_dma_hdr_fifo_rd_unc_err_cnt(const struct cntr_entry *entry,
2241 void *context, int vl,
2244 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2246 return dd->rcv_err_status_cnt[51];
2249 static u64 access_rx_rbuf_desc_part2_cor_err_cnt(const struct cntr_entry *entry,
2250 void *context, int vl,
2253 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2255 return dd->rcv_err_status_cnt[50];
2258 static u64 access_rx_rbuf_desc_part2_unc_err_cnt(const struct cntr_entry *entry,
2259 void *context, int vl,
2262 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2264 return dd->rcv_err_status_cnt[49];
2267 static u64 access_rx_rbuf_desc_part1_cor_err_cnt(const struct cntr_entry *entry,
2268 void *context, int vl,
2271 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2273 return dd->rcv_err_status_cnt[48];
2276 static u64 access_rx_rbuf_desc_part1_unc_err_cnt(const struct cntr_entry *entry,
2277 void *context, int vl,
2280 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2282 return dd->rcv_err_status_cnt[47];
2285 static u64 access_rx_hq_intr_fsm_err_cnt(const struct cntr_entry *entry,
2286 void *context, int vl, int mode,
2289 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2291 return dd->rcv_err_status_cnt[46];
2294 static u64 access_rx_hq_intr_csr_parity_err_cnt(
2295 const struct cntr_entry *entry,
2296 void *context, int vl, int mode, u64 data)
2298 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2300 return dd->rcv_err_status_cnt[45];
2303 static u64 access_rx_lookup_csr_parity_err_cnt(
2304 const struct cntr_entry *entry,
2305 void *context, int vl, int mode, u64 data)
2307 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2309 return dd->rcv_err_status_cnt[44];
2312 static u64 access_rx_lookup_rcv_array_cor_err_cnt(
2313 const struct cntr_entry *entry,
2314 void *context, int vl, int mode, u64 data)
2316 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2318 return dd->rcv_err_status_cnt[43];
2321 static u64 access_rx_lookup_rcv_array_unc_err_cnt(
2322 const struct cntr_entry *entry,
2323 void *context, int vl, int mode, u64 data)
2325 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2327 return dd->rcv_err_status_cnt[42];
2330 static u64 access_rx_lookup_des_part2_parity_err_cnt(
2331 const struct cntr_entry *entry,
2332 void *context, int vl, int mode, u64 data)
2334 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2336 return dd->rcv_err_status_cnt[41];
2339 static u64 access_rx_lookup_des_part1_unc_cor_err_cnt(
2340 const struct cntr_entry *entry,
2341 void *context, int vl, int mode, u64 data)
2343 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2345 return dd->rcv_err_status_cnt[40];
2348 static u64 access_rx_lookup_des_part1_unc_err_cnt(
2349 const struct cntr_entry *entry,
2350 void *context, int vl, int mode, u64 data)
2352 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2354 return dd->rcv_err_status_cnt[39];
2357 static u64 access_rx_rbuf_next_free_buf_cor_err_cnt(
2358 const struct cntr_entry *entry,
2359 void *context, int vl, int mode, u64 data)
2361 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2363 return dd->rcv_err_status_cnt[38];
2366 static u64 access_rx_rbuf_next_free_buf_unc_err_cnt(
2367 const struct cntr_entry *entry,
2368 void *context, int vl, int mode, u64 data)
2370 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2372 return dd->rcv_err_status_cnt[37];
2375 static u64 access_rbuf_fl_init_wr_addr_parity_err_cnt(
2376 const struct cntr_entry *entry,
2377 void *context, int vl, int mode, u64 data)
2379 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2381 return dd->rcv_err_status_cnt[36];
2384 static u64 access_rx_rbuf_fl_initdone_parity_err_cnt(
2385 const struct cntr_entry *entry,
2386 void *context, int vl, int mode, u64 data)
2388 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2390 return dd->rcv_err_status_cnt[35];
2393 static u64 access_rx_rbuf_fl_write_addr_parity_err_cnt(
2394 const struct cntr_entry *entry,
2395 void *context, int vl, int mode, u64 data)
2397 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2399 return dd->rcv_err_status_cnt[34];
2402 static u64 access_rx_rbuf_fl_rd_addr_parity_err_cnt(
2403 const struct cntr_entry *entry,
2404 void *context, int vl, int mode, u64 data)
2406 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2408 return dd->rcv_err_status_cnt[33];
2411 static u64 access_rx_rbuf_empty_err_cnt(const struct cntr_entry *entry,
2412 void *context, int vl, int mode,
2415 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2417 return dd->rcv_err_status_cnt[32];
2420 static u64 access_rx_rbuf_full_err_cnt(const struct cntr_entry *entry,
2421 void *context, int vl, int mode,
2424 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2426 return dd->rcv_err_status_cnt[31];
2429 static u64 access_rbuf_bad_lookup_err_cnt(const struct cntr_entry *entry,
2430 void *context, int vl, int mode,
2433 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2435 return dd->rcv_err_status_cnt[30];
2438 static u64 access_rbuf_ctx_id_parity_err_cnt(const struct cntr_entry *entry,
2439 void *context, int vl, int mode,
2442 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2444 return dd->rcv_err_status_cnt[29];
2447 static u64 access_rbuf_csr_qeopdw_parity_err_cnt(const struct cntr_entry *entry,
2448 void *context, int vl,
2451 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2453 return dd->rcv_err_status_cnt[28];
2456 static u64 access_rx_rbuf_csr_q_num_of_pkt_parity_err_cnt(
2457 const struct cntr_entry *entry,
2458 void *context, int vl, int mode, u64 data)
2460 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2462 return dd->rcv_err_status_cnt[27];
2465 static u64 access_rx_rbuf_csr_q_t1_ptr_parity_err_cnt(
2466 const struct cntr_entry *entry,
2467 void *context, int vl, int mode, u64 data)
2469 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2471 return dd->rcv_err_status_cnt[26];
2474 static u64 access_rx_rbuf_csr_q_hd_ptr_parity_err_cnt(
2475 const struct cntr_entry *entry,
2476 void *context, int vl, int mode, u64 data)
2478 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2480 return dd->rcv_err_status_cnt[25];
2483 static u64 access_rx_rbuf_csr_q_vld_bit_parity_err_cnt(
2484 const struct cntr_entry *entry,
2485 void *context, int vl, int mode, u64 data)
2487 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2489 return dd->rcv_err_status_cnt[24];
2492 static u64 access_rx_rbuf_csr_q_next_buf_parity_err_cnt(
2493 const struct cntr_entry *entry,
2494 void *context, int vl, int mode, u64 data)
2496 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2498 return dd->rcv_err_status_cnt[23];
2501 static u64 access_rx_rbuf_csr_q_ent_cnt_parity_err_cnt(
2502 const struct cntr_entry *entry,
2503 void *context, int vl, int mode, u64 data)
2505 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2507 return dd->rcv_err_status_cnt[22];
2510 static u64 access_rx_rbuf_csr_q_head_buf_num_parity_err_cnt(
2511 const struct cntr_entry *entry,
2512 void *context, int vl, int mode, u64 data)
2514 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2516 return dd->rcv_err_status_cnt[21];
2519 static u64 access_rx_rbuf_block_list_read_cor_err_cnt(
2520 const struct cntr_entry *entry,
2521 void *context, int vl, int mode, u64 data)
2523 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2525 return dd->rcv_err_status_cnt[20];
2528 static u64 access_rx_rbuf_block_list_read_unc_err_cnt(
2529 const struct cntr_entry *entry,
2530 void *context, int vl, int mode, u64 data)
2532 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2534 return dd->rcv_err_status_cnt[19];
2537 static u64 access_rx_rbuf_lookup_des_cor_err_cnt(const struct cntr_entry *entry,
2538 void *context, int vl,
2541 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2543 return dd->rcv_err_status_cnt[18];
2546 static u64 access_rx_rbuf_lookup_des_unc_err_cnt(const struct cntr_entry *entry,
2547 void *context, int vl,
2550 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2552 return dd->rcv_err_status_cnt[17];
2555 static u64 access_rx_rbuf_lookup_des_reg_unc_cor_err_cnt(
2556 const struct cntr_entry *entry,
2557 void *context, int vl, int mode, u64 data)
2559 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2561 return dd->rcv_err_status_cnt[16];
2564 static u64 access_rx_rbuf_lookup_des_reg_unc_err_cnt(
2565 const struct cntr_entry *entry,
2566 void *context, int vl, int mode, u64 data)
2568 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2570 return dd->rcv_err_status_cnt[15];
2573 static u64 access_rx_rbuf_free_list_cor_err_cnt(const struct cntr_entry *entry,
2574 void *context, int vl,
2577 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2579 return dd->rcv_err_status_cnt[14];
2582 static u64 access_rx_rbuf_free_list_unc_err_cnt(const struct cntr_entry *entry,
2583 void *context, int vl,
2586 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2588 return dd->rcv_err_status_cnt[13];
2591 static u64 access_rx_rcv_fsm_encoding_err_cnt(const struct cntr_entry *entry,
2592 void *context, int vl, int mode,
2595 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2597 return dd->rcv_err_status_cnt[12];
2600 static u64 access_rx_dma_flag_cor_err_cnt(const struct cntr_entry *entry,
2601 void *context, int vl, int mode,
2604 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2606 return dd->rcv_err_status_cnt[11];
2609 static u64 access_rx_dma_flag_unc_err_cnt(const struct cntr_entry *entry,
2610 void *context, int vl, int mode,
2613 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2615 return dd->rcv_err_status_cnt[10];
2618 static u64 access_rx_dc_sop_eop_parity_err_cnt(const struct cntr_entry *entry,
2619 void *context, int vl, int mode,
2622 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2624 return dd->rcv_err_status_cnt[9];
2627 static u64 access_rx_rcv_csr_parity_err_cnt(const struct cntr_entry *entry,
2628 void *context, int vl, int mode,
2631 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2633 return dd->rcv_err_status_cnt[8];
2636 static u64 access_rx_rcv_qp_map_table_cor_err_cnt(
2637 const struct cntr_entry *entry,
2638 void *context, int vl, int mode, u64 data)
2640 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2642 return dd->rcv_err_status_cnt[7];
2645 static u64 access_rx_rcv_qp_map_table_unc_err_cnt(
2646 const struct cntr_entry *entry,
2647 void *context, int vl, int mode, u64 data)
2649 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2651 return dd->rcv_err_status_cnt[6];
2654 static u64 access_rx_rcv_data_cor_err_cnt(const struct cntr_entry *entry,
2655 void *context, int vl, int mode,
2658 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2660 return dd->rcv_err_status_cnt[5];
2663 static u64 access_rx_rcv_data_unc_err_cnt(const struct cntr_entry *entry,
2664 void *context, int vl, int mode,
2667 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2669 return dd->rcv_err_status_cnt[4];
2672 static u64 access_rx_rcv_hdr_cor_err_cnt(const struct cntr_entry *entry,
2673 void *context, int vl, int mode,
2676 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2678 return dd->rcv_err_status_cnt[3];
2681 static u64 access_rx_rcv_hdr_unc_err_cnt(const struct cntr_entry *entry,
2682 void *context, int vl, int mode,
2685 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2687 return dd->rcv_err_status_cnt[2];
2690 static u64 access_rx_dc_intf_parity_err_cnt(const struct cntr_entry *entry,
2691 void *context, int vl, int mode,
2694 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2696 return dd->rcv_err_status_cnt[1];
2699 static u64 access_rx_dma_csr_cor_err_cnt(const struct cntr_entry *entry,
2700 void *context, int vl, int mode,
2703 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2705 return dd->rcv_err_status_cnt[0];
2709 * Software counters corresponding to each of the
2710 * error status bits within SendPioErrStatus
2712 static u64 access_pio_pec_sop_head_parity_err_cnt(
2713 const struct cntr_entry *entry,
2714 void *context, int vl, int mode, u64 data)
2716 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2718 return dd->send_pio_err_status_cnt[35];
2721 static u64 access_pio_pcc_sop_head_parity_err_cnt(
2722 const struct cntr_entry *entry,
2723 void *context, int vl, int mode, u64 data)
2725 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2727 return dd->send_pio_err_status_cnt[34];
2730 static u64 access_pio_last_returned_cnt_parity_err_cnt(
2731 const struct cntr_entry *entry,
2732 void *context, int vl, int mode, u64 data)
2734 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2736 return dd->send_pio_err_status_cnt[33];
2739 static u64 access_pio_current_free_cnt_parity_err_cnt(
2740 const struct cntr_entry *entry,
2741 void *context, int vl, int mode, u64 data)
2743 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2745 return dd->send_pio_err_status_cnt[32];
2748 static u64 access_pio_reserved_31_err_cnt(const struct cntr_entry *entry,
2749 void *context, int vl, int mode,
2752 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2754 return dd->send_pio_err_status_cnt[31];
2757 static u64 access_pio_reserved_30_err_cnt(const struct cntr_entry *entry,
2758 void *context, int vl, int mode,
2761 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2763 return dd->send_pio_err_status_cnt[30];
2766 static u64 access_pio_ppmc_sop_len_err_cnt(const struct cntr_entry *entry,
2767 void *context, int vl, int mode,
2770 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2772 return dd->send_pio_err_status_cnt[29];
2775 static u64 access_pio_ppmc_bqc_mem_parity_err_cnt(
2776 const struct cntr_entry *entry,
2777 void *context, int vl, int mode, u64 data)
2779 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2781 return dd->send_pio_err_status_cnt[28];
2784 static u64 access_pio_vl_fifo_parity_err_cnt(const struct cntr_entry *entry,
2785 void *context, int vl, int mode,
2788 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2790 return dd->send_pio_err_status_cnt[27];
2793 static u64 access_pio_vlf_sop_parity_err_cnt(const struct cntr_entry *entry,
2794 void *context, int vl, int mode,
2797 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2799 return dd->send_pio_err_status_cnt[26];
2802 static u64 access_pio_vlf_v1_len_parity_err_cnt(const struct cntr_entry *entry,
2803 void *context, int vl,
2806 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2808 return dd->send_pio_err_status_cnt[25];
2811 static u64 access_pio_block_qw_count_parity_err_cnt(
2812 const struct cntr_entry *entry,
2813 void *context, int vl, int mode, u64 data)
2815 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2817 return dd->send_pio_err_status_cnt[24];
2820 static u64 access_pio_write_qw_valid_parity_err_cnt(
2821 const struct cntr_entry *entry,
2822 void *context, int vl, int mode, u64 data)
2824 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2826 return dd->send_pio_err_status_cnt[23];
2829 static u64 access_pio_state_machine_err_cnt(const struct cntr_entry *entry,
2830 void *context, int vl, int mode,
2833 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2835 return dd->send_pio_err_status_cnt[22];
2838 static u64 access_pio_write_data_parity_err_cnt(const struct cntr_entry *entry,
2839 void *context, int vl,
2842 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2844 return dd->send_pio_err_status_cnt[21];
2847 static u64 access_pio_host_addr_mem_cor_err_cnt(const struct cntr_entry *entry,
2848 void *context, int vl,
2851 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2853 return dd->send_pio_err_status_cnt[20];
2856 static u64 access_pio_host_addr_mem_unc_err_cnt(const struct cntr_entry *entry,
2857 void *context, int vl,
2860 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2862 return dd->send_pio_err_status_cnt[19];
2865 static u64 access_pio_pkt_evict_sm_or_arb_sm_err_cnt(
2866 const struct cntr_entry *entry,
2867 void *context, int vl, int mode, u64 data)
2869 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2871 return dd->send_pio_err_status_cnt[18];
2874 static u64 access_pio_init_sm_in_err_cnt(const struct cntr_entry *entry,
2875 void *context, int vl, int mode,
2878 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2880 return dd->send_pio_err_status_cnt[17];
2883 static u64 access_pio_ppmc_pbl_fifo_err_cnt(const struct cntr_entry *entry,
2884 void *context, int vl, int mode,
2887 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2889 return dd->send_pio_err_status_cnt[16];
2892 static u64 access_pio_credit_ret_fifo_parity_err_cnt(
2893 const struct cntr_entry *entry,
2894 void *context, int vl, int mode, u64 data)
2896 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2898 return dd->send_pio_err_status_cnt[15];
2901 static u64 access_pio_v1_len_mem_bank1_cor_err_cnt(
2902 const struct cntr_entry *entry,
2903 void *context, int vl, int mode, u64 data)
2905 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2907 return dd->send_pio_err_status_cnt[14];
2910 static u64 access_pio_v1_len_mem_bank0_cor_err_cnt(
2911 const struct cntr_entry *entry,
2912 void *context, int vl, int mode, u64 data)
2914 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2916 return dd->send_pio_err_status_cnt[13];
2919 static u64 access_pio_v1_len_mem_bank1_unc_err_cnt(
2920 const struct cntr_entry *entry,
2921 void *context, int vl, int mode, u64 data)
2923 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2925 return dd->send_pio_err_status_cnt[12];
2928 static u64 access_pio_v1_len_mem_bank0_unc_err_cnt(
2929 const struct cntr_entry *entry,
2930 void *context, int vl, int mode, u64 data)
2932 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2934 return dd->send_pio_err_status_cnt[11];
2937 static u64 access_pio_sm_pkt_reset_parity_err_cnt(
2938 const struct cntr_entry *entry,
2939 void *context, int vl, int mode, u64 data)
2941 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2943 return dd->send_pio_err_status_cnt[10];
2946 static u64 access_pio_pkt_evict_fifo_parity_err_cnt(
2947 const struct cntr_entry *entry,
2948 void *context, int vl, int mode, u64 data)
2950 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2952 return dd->send_pio_err_status_cnt[9];
2955 static u64 access_pio_sbrdctrl_crrel_fifo_parity_err_cnt(
2956 const struct cntr_entry *entry,
2957 void *context, int vl, int mode, u64 data)
2959 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2961 return dd->send_pio_err_status_cnt[8];
2964 static u64 access_pio_sbrdctl_crrel_parity_err_cnt(
2965 const struct cntr_entry *entry,
2966 void *context, int vl, int mode, u64 data)
2968 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2970 return dd->send_pio_err_status_cnt[7];
2973 static u64 access_pio_pec_fifo_parity_err_cnt(const struct cntr_entry *entry,
2974 void *context, int vl, int mode,
2977 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2979 return dd->send_pio_err_status_cnt[6];
2982 static u64 access_pio_pcc_fifo_parity_err_cnt(const struct cntr_entry *entry,
2983 void *context, int vl, int mode,
2986 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2988 return dd->send_pio_err_status_cnt[5];
2991 static u64 access_pio_sb_mem_fifo1_err_cnt(const struct cntr_entry *entry,
2992 void *context, int vl, int mode,
2995 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
2997 return dd->send_pio_err_status_cnt[4];
3000 static u64 access_pio_sb_mem_fifo0_err_cnt(const struct cntr_entry *entry,
3001 void *context, int vl, int mode,
3004 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3006 return dd->send_pio_err_status_cnt[3];
3009 static u64 access_pio_csr_parity_err_cnt(const struct cntr_entry *entry,
3010 void *context, int vl, int mode,
3013 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3015 return dd->send_pio_err_status_cnt[2];
3018 static u64 access_pio_write_addr_parity_err_cnt(const struct cntr_entry *entry,
3019 void *context, int vl,
3022 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3024 return dd->send_pio_err_status_cnt[1];
3027 static u64 access_pio_write_bad_ctxt_err_cnt(const struct cntr_entry *entry,
3028 void *context, int vl, int mode,
3031 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3033 return dd->send_pio_err_status_cnt[0];
3037 * Software counters corresponding to each of the
3038 * error status bits within SendDmaErrStatus
3040 static u64 access_sdma_pcie_req_tracking_cor_err_cnt(
3041 const struct cntr_entry *entry,
3042 void *context, int vl, int mode, u64 data)
3044 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3046 return dd->send_dma_err_status_cnt[3];
3049 static u64 access_sdma_pcie_req_tracking_unc_err_cnt(
3050 const struct cntr_entry *entry,
3051 void *context, int vl, int mode, u64 data)
3053 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3055 return dd->send_dma_err_status_cnt[2];
3058 static u64 access_sdma_csr_parity_err_cnt(const struct cntr_entry *entry,
3059 void *context, int vl, int mode,
3062 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3064 return dd->send_dma_err_status_cnt[1];
3067 static u64 access_sdma_rpy_tag_err_cnt(const struct cntr_entry *entry,
3068 void *context, int vl, int mode,
3071 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3073 return dd->send_dma_err_status_cnt[0];
3077 * Software counters corresponding to each of the
3078 * error status bits within SendEgressErrStatus
3080 static u64 access_tx_read_pio_memory_csr_unc_err_cnt(
3081 const struct cntr_entry *entry,
3082 void *context, int vl, int mode, u64 data)
3084 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3086 return dd->send_egress_err_status_cnt[63];
3089 static u64 access_tx_read_sdma_memory_csr_err_cnt(
3090 const struct cntr_entry *entry,
3091 void *context, int vl, int mode, u64 data)
3093 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3095 return dd->send_egress_err_status_cnt[62];
3098 static u64 access_tx_egress_fifo_cor_err_cnt(const struct cntr_entry *entry,
3099 void *context, int vl, int mode,
3102 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3104 return dd->send_egress_err_status_cnt[61];
3107 static u64 access_tx_read_pio_memory_cor_err_cnt(const struct cntr_entry *entry,
3108 void *context, int vl,
3111 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3113 return dd->send_egress_err_status_cnt[60];
3116 static u64 access_tx_read_sdma_memory_cor_err_cnt(
3117 const struct cntr_entry *entry,
3118 void *context, int vl, int mode, u64 data)
3120 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3122 return dd->send_egress_err_status_cnt[59];
3125 static u64 access_tx_sb_hdr_cor_err_cnt(const struct cntr_entry *entry,
3126 void *context, int vl, int mode,
3129 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3131 return dd->send_egress_err_status_cnt[58];
3134 static u64 access_tx_credit_overrun_err_cnt(const struct cntr_entry *entry,
3135 void *context, int vl, int mode,
3138 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3140 return dd->send_egress_err_status_cnt[57];
3143 static u64 access_tx_launch_fifo8_cor_err_cnt(const struct cntr_entry *entry,
3144 void *context, int vl, int mode,
3147 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3149 return dd->send_egress_err_status_cnt[56];
3152 static u64 access_tx_launch_fifo7_cor_err_cnt(const struct cntr_entry *entry,
3153 void *context, int vl, int mode,
3156 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3158 return dd->send_egress_err_status_cnt[55];
3161 static u64 access_tx_launch_fifo6_cor_err_cnt(const struct cntr_entry *entry,
3162 void *context, int vl, int mode,
3165 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3167 return dd->send_egress_err_status_cnt[54];
3170 static u64 access_tx_launch_fifo5_cor_err_cnt(const struct cntr_entry *entry,
3171 void *context, int vl, int mode,
3174 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3176 return dd->send_egress_err_status_cnt[53];
3179 static u64 access_tx_launch_fifo4_cor_err_cnt(const struct cntr_entry *entry,
3180 void *context, int vl, int mode,
3183 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3185 return dd->send_egress_err_status_cnt[52];
3188 static u64 access_tx_launch_fifo3_cor_err_cnt(const struct cntr_entry *entry,
3189 void *context, int vl, int mode,
3192 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3194 return dd->send_egress_err_status_cnt[51];
3197 static u64 access_tx_launch_fifo2_cor_err_cnt(const struct cntr_entry *entry,
3198 void *context, int vl, int mode,
3201 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3203 return dd->send_egress_err_status_cnt[50];
3206 static u64 access_tx_launch_fifo1_cor_err_cnt(const struct cntr_entry *entry,
3207 void *context, int vl, int mode,
3210 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3212 return dd->send_egress_err_status_cnt[49];
3215 static u64 access_tx_launch_fifo0_cor_err_cnt(const struct cntr_entry *entry,
3216 void *context, int vl, int mode,
3219 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3221 return dd->send_egress_err_status_cnt[48];
3224 static u64 access_tx_credit_return_vl_err_cnt(const struct cntr_entry *entry,
3225 void *context, int vl, int mode,
3228 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3230 return dd->send_egress_err_status_cnt[47];
3233 static u64 access_tx_hcrc_insertion_err_cnt(const struct cntr_entry *entry,
3234 void *context, int vl, int mode,
3237 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3239 return dd->send_egress_err_status_cnt[46];
3242 static u64 access_tx_egress_fifo_unc_err_cnt(const struct cntr_entry *entry,
3243 void *context, int vl, int mode,
3246 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3248 return dd->send_egress_err_status_cnt[45];
3251 static u64 access_tx_read_pio_memory_unc_err_cnt(const struct cntr_entry *entry,
3252 void *context, int vl,
3255 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3257 return dd->send_egress_err_status_cnt[44];
3260 static u64 access_tx_read_sdma_memory_unc_err_cnt(
3261 const struct cntr_entry *entry,
3262 void *context, int vl, int mode, u64 data)
3264 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3266 return dd->send_egress_err_status_cnt[43];
3269 static u64 access_tx_sb_hdr_unc_err_cnt(const struct cntr_entry *entry,
3270 void *context, int vl, int mode,
3273 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3275 return dd->send_egress_err_status_cnt[42];
3278 static u64 access_tx_credit_return_partiy_err_cnt(
3279 const struct cntr_entry *entry,
3280 void *context, int vl, int mode, u64 data)
3282 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3284 return dd->send_egress_err_status_cnt[41];
3287 static u64 access_tx_launch_fifo8_unc_or_parity_err_cnt(
3288 const struct cntr_entry *entry,
3289 void *context, int vl, int mode, u64 data)
3291 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3293 return dd->send_egress_err_status_cnt[40];
3296 static u64 access_tx_launch_fifo7_unc_or_parity_err_cnt(
3297 const struct cntr_entry *entry,
3298 void *context, int vl, int mode, u64 data)
3300 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3302 return dd->send_egress_err_status_cnt[39];
3305 static u64 access_tx_launch_fifo6_unc_or_parity_err_cnt(
3306 const struct cntr_entry *entry,
3307 void *context, int vl, int mode, u64 data)
3309 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3311 return dd->send_egress_err_status_cnt[38];
3314 static u64 access_tx_launch_fifo5_unc_or_parity_err_cnt(
3315 const struct cntr_entry *entry,
3316 void *context, int vl, int mode, u64 data)
3318 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3320 return dd->send_egress_err_status_cnt[37];
3323 static u64 access_tx_launch_fifo4_unc_or_parity_err_cnt(
3324 const struct cntr_entry *entry,
3325 void *context, int vl, int mode, u64 data)
3327 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3329 return dd->send_egress_err_status_cnt[36];
3332 static u64 access_tx_launch_fifo3_unc_or_parity_err_cnt(
3333 const struct cntr_entry *entry,
3334 void *context, int vl, int mode, u64 data)
3336 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3338 return dd->send_egress_err_status_cnt[35];
3341 static u64 access_tx_launch_fifo2_unc_or_parity_err_cnt(
3342 const struct cntr_entry *entry,
3343 void *context, int vl, int mode, u64 data)
3345 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3347 return dd->send_egress_err_status_cnt[34];
3350 static u64 access_tx_launch_fifo1_unc_or_parity_err_cnt(
3351 const struct cntr_entry *entry,
3352 void *context, int vl, int mode, u64 data)
3354 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3356 return dd->send_egress_err_status_cnt[33];
3359 static u64 access_tx_launch_fifo0_unc_or_parity_err_cnt(
3360 const struct cntr_entry *entry,
3361 void *context, int vl, int mode, u64 data)
3363 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3365 return dd->send_egress_err_status_cnt[32];
3368 static u64 access_tx_sdma15_disallowed_packet_err_cnt(
3369 const struct cntr_entry *entry,
3370 void *context, int vl, int mode, u64 data)
3372 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3374 return dd->send_egress_err_status_cnt[31];
3377 static u64 access_tx_sdma14_disallowed_packet_err_cnt(
3378 const struct cntr_entry *entry,
3379 void *context, int vl, int mode, u64 data)
3381 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3383 return dd->send_egress_err_status_cnt[30];
3386 static u64 access_tx_sdma13_disallowed_packet_err_cnt(
3387 const struct cntr_entry *entry,
3388 void *context, int vl, int mode, u64 data)
3390 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3392 return dd->send_egress_err_status_cnt[29];
3395 static u64 access_tx_sdma12_disallowed_packet_err_cnt(
3396 const struct cntr_entry *entry,
3397 void *context, int vl, int mode, u64 data)
3399 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3401 return dd->send_egress_err_status_cnt[28];
3404 static u64 access_tx_sdma11_disallowed_packet_err_cnt(
3405 const struct cntr_entry *entry,
3406 void *context, int vl, int mode, u64 data)
3408 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3410 return dd->send_egress_err_status_cnt[27];
3413 static u64 access_tx_sdma10_disallowed_packet_err_cnt(
3414 const struct cntr_entry *entry,
3415 void *context, int vl, int mode, u64 data)
3417 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3419 return dd->send_egress_err_status_cnt[26];
3422 static u64 access_tx_sdma9_disallowed_packet_err_cnt(
3423 const struct cntr_entry *entry,
3424 void *context, int vl, int mode, u64 data)
3426 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3428 return dd->send_egress_err_status_cnt[25];
3431 static u64 access_tx_sdma8_disallowed_packet_err_cnt(
3432 const struct cntr_entry *entry,
3433 void *context, int vl, int mode, u64 data)
3435 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3437 return dd->send_egress_err_status_cnt[24];
3440 static u64 access_tx_sdma7_disallowed_packet_err_cnt(
3441 const struct cntr_entry *entry,
3442 void *context, int vl, int mode, u64 data)
3444 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3446 return dd->send_egress_err_status_cnt[23];
3449 static u64 access_tx_sdma6_disallowed_packet_err_cnt(
3450 const struct cntr_entry *entry,
3451 void *context, int vl, int mode, u64 data)
3453 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3455 return dd->send_egress_err_status_cnt[22];
3458 static u64 access_tx_sdma5_disallowed_packet_err_cnt(
3459 const struct cntr_entry *entry,
3460 void *context, int vl, int mode, u64 data)
3462 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3464 return dd->send_egress_err_status_cnt[21];
3467 static u64 access_tx_sdma4_disallowed_packet_err_cnt(
3468 const struct cntr_entry *entry,
3469 void *context, int vl, int mode, u64 data)
3471 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3473 return dd->send_egress_err_status_cnt[20];
3476 static u64 access_tx_sdma3_disallowed_packet_err_cnt(
3477 const struct cntr_entry *entry,
3478 void *context, int vl, int mode, u64 data)
3480 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3482 return dd->send_egress_err_status_cnt[19];
3485 static u64 access_tx_sdma2_disallowed_packet_err_cnt(
3486 const struct cntr_entry *entry,
3487 void *context, int vl, int mode, u64 data)
3489 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3491 return dd->send_egress_err_status_cnt[18];
3494 static u64 access_tx_sdma1_disallowed_packet_err_cnt(
3495 const struct cntr_entry *entry,
3496 void *context, int vl, int mode, u64 data)
3498 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3500 return dd->send_egress_err_status_cnt[17];
3503 static u64 access_tx_sdma0_disallowed_packet_err_cnt(
3504 const struct cntr_entry *entry,
3505 void *context, int vl, int mode, u64 data)
3507 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3509 return dd->send_egress_err_status_cnt[16];
3512 static u64 access_tx_config_parity_err_cnt(const struct cntr_entry *entry,
3513 void *context, int vl, int mode,
3516 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3518 return dd->send_egress_err_status_cnt[15];
3521 static u64 access_tx_sbrd_ctl_csr_parity_err_cnt(const struct cntr_entry *entry,
3522 void *context, int vl,
3525 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3527 return dd->send_egress_err_status_cnt[14];
3530 static u64 access_tx_launch_csr_parity_err_cnt(const struct cntr_entry *entry,
3531 void *context, int vl, int mode,
3534 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3536 return dd->send_egress_err_status_cnt[13];
3539 static u64 access_tx_illegal_vl_err_cnt(const struct cntr_entry *entry,
3540 void *context, int vl, int mode,
3543 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3545 return dd->send_egress_err_status_cnt[12];
3548 static u64 access_tx_sbrd_ctl_state_machine_parity_err_cnt(
3549 const struct cntr_entry *entry,
3550 void *context, int vl, int mode, u64 data)
3552 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3554 return dd->send_egress_err_status_cnt[11];
3557 static u64 access_egress_reserved_10_err_cnt(const struct cntr_entry *entry,
3558 void *context, int vl, int mode,
3561 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3563 return dd->send_egress_err_status_cnt[10];
3566 static u64 access_egress_reserved_9_err_cnt(const struct cntr_entry *entry,
3567 void *context, int vl, int mode,
3570 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3572 return dd->send_egress_err_status_cnt[9];
3575 static u64 access_tx_sdma_launch_intf_parity_err_cnt(
3576 const struct cntr_entry *entry,
3577 void *context, int vl, int mode, u64 data)
3579 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3581 return dd->send_egress_err_status_cnt[8];
3584 static u64 access_tx_pio_launch_intf_parity_err_cnt(
3585 const struct cntr_entry *entry,
3586 void *context, int vl, int mode, u64 data)
3588 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3590 return dd->send_egress_err_status_cnt[7];
3593 static u64 access_egress_reserved_6_err_cnt(const struct cntr_entry *entry,
3594 void *context, int vl, int mode,
3597 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3599 return dd->send_egress_err_status_cnt[6];
3602 static u64 access_tx_incorrect_link_state_err_cnt(
3603 const struct cntr_entry *entry,
3604 void *context, int vl, int mode, u64 data)
3606 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3608 return dd->send_egress_err_status_cnt[5];
3611 static u64 access_tx_linkdown_err_cnt(const struct cntr_entry *entry,
3612 void *context, int vl, int mode,
3615 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3617 return dd->send_egress_err_status_cnt[4];
3620 static u64 access_tx_egress_fifi_underrun_or_parity_err_cnt(
3621 const struct cntr_entry *entry,
3622 void *context, int vl, int mode, u64 data)
3624 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3626 return dd->send_egress_err_status_cnt[3];
3629 static u64 access_egress_reserved_2_err_cnt(const struct cntr_entry *entry,
3630 void *context, int vl, int mode,
3633 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3635 return dd->send_egress_err_status_cnt[2];
3638 static u64 access_tx_pkt_integrity_mem_unc_err_cnt(
3639 const struct cntr_entry *entry,
3640 void *context, int vl, int mode, u64 data)
3642 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3644 return dd->send_egress_err_status_cnt[1];
3647 static u64 access_tx_pkt_integrity_mem_cor_err_cnt(
3648 const struct cntr_entry *entry,
3649 void *context, int vl, int mode, u64 data)
3651 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3653 return dd->send_egress_err_status_cnt[0];
3657 * Software counters corresponding to each of the
3658 * error status bits within SendErrStatus
3660 static u64 access_send_csr_write_bad_addr_err_cnt(
3661 const struct cntr_entry *entry,
3662 void *context, int vl, int mode, u64 data)
3664 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3666 return dd->send_err_status_cnt[2];
3669 static u64 access_send_csr_read_bad_addr_err_cnt(const struct cntr_entry *entry,
3670 void *context, int vl,
3673 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3675 return dd->send_err_status_cnt[1];
3678 static u64 access_send_csr_parity_cnt(const struct cntr_entry *entry,
3679 void *context, int vl, int mode,
3682 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3684 return dd->send_err_status_cnt[0];
3688 * Software counters corresponding to each of the
3689 * error status bits within SendCtxtErrStatus
3691 static u64 access_pio_write_out_of_bounds_err_cnt(
3692 const struct cntr_entry *entry,
3693 void *context, int vl, int mode, u64 data)
3695 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3697 return dd->sw_ctxt_err_status_cnt[4];
3700 static u64 access_pio_write_overflow_err_cnt(const struct cntr_entry *entry,
3701 void *context, int vl, int mode,
3704 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3706 return dd->sw_ctxt_err_status_cnt[3];
3709 static u64 access_pio_write_crosses_boundary_err_cnt(
3710 const struct cntr_entry *entry,
3711 void *context, int vl, int mode, u64 data)
3713 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3715 return dd->sw_ctxt_err_status_cnt[2];
3718 static u64 access_pio_disallowed_packet_err_cnt(const struct cntr_entry *entry,
3719 void *context, int vl,
3722 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3724 return dd->sw_ctxt_err_status_cnt[1];
3727 static u64 access_pio_inconsistent_sop_err_cnt(const struct cntr_entry *entry,
3728 void *context, int vl, int mode,
3731 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3733 return dd->sw_ctxt_err_status_cnt[0];
3737 * Software counters corresponding to each of the
3738 * error status bits within SendDmaEngErrStatus
3740 static u64 access_sdma_header_request_fifo_cor_err_cnt(
3741 const struct cntr_entry *entry,
3742 void *context, int vl, int mode, u64 data)
3744 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3746 return dd->sw_send_dma_eng_err_status_cnt[23];
3749 static u64 access_sdma_header_storage_cor_err_cnt(
3750 const struct cntr_entry *entry,
3751 void *context, int vl, int mode, u64 data)
3753 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3755 return dd->sw_send_dma_eng_err_status_cnt[22];
3758 static u64 access_sdma_packet_tracking_cor_err_cnt(
3759 const struct cntr_entry *entry,
3760 void *context, int vl, int mode, u64 data)
3762 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3764 return dd->sw_send_dma_eng_err_status_cnt[21];
3767 static u64 access_sdma_assembly_cor_err_cnt(const struct cntr_entry *entry,
3768 void *context, int vl, int mode,
3771 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3773 return dd->sw_send_dma_eng_err_status_cnt[20];
3776 static u64 access_sdma_desc_table_cor_err_cnt(const struct cntr_entry *entry,
3777 void *context, int vl, int mode,
3780 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3782 return dd->sw_send_dma_eng_err_status_cnt[19];
3785 static u64 access_sdma_header_request_fifo_unc_err_cnt(
3786 const struct cntr_entry *entry,
3787 void *context, int vl, int mode, u64 data)
3789 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3791 return dd->sw_send_dma_eng_err_status_cnt[18];
3794 static u64 access_sdma_header_storage_unc_err_cnt(
3795 const struct cntr_entry *entry,
3796 void *context, int vl, int mode, u64 data)
3798 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3800 return dd->sw_send_dma_eng_err_status_cnt[17];
3803 static u64 access_sdma_packet_tracking_unc_err_cnt(
3804 const struct cntr_entry *entry,
3805 void *context, int vl, int mode, u64 data)
3807 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3809 return dd->sw_send_dma_eng_err_status_cnt[16];
3812 static u64 access_sdma_assembly_unc_err_cnt(const struct cntr_entry *entry,
3813 void *context, int vl, int mode,
3816 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3818 return dd->sw_send_dma_eng_err_status_cnt[15];
3821 static u64 access_sdma_desc_table_unc_err_cnt(const struct cntr_entry *entry,
3822 void *context, int vl, int mode,
3825 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3827 return dd->sw_send_dma_eng_err_status_cnt[14];
3830 static u64 access_sdma_timeout_err_cnt(const struct cntr_entry *entry,
3831 void *context, int vl, int mode,
3834 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3836 return dd->sw_send_dma_eng_err_status_cnt[13];
3839 static u64 access_sdma_header_length_err_cnt(const struct cntr_entry *entry,
3840 void *context, int vl, int mode,
3843 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3845 return dd->sw_send_dma_eng_err_status_cnt[12];
3848 static u64 access_sdma_header_address_err_cnt(const struct cntr_entry *entry,
3849 void *context, int vl, int mode,
3852 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3854 return dd->sw_send_dma_eng_err_status_cnt[11];
3857 static u64 access_sdma_header_select_err_cnt(const struct cntr_entry *entry,
3858 void *context, int vl, int mode,
3861 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3863 return dd->sw_send_dma_eng_err_status_cnt[10];
3866 static u64 access_sdma_reserved_9_err_cnt(const struct cntr_entry *entry,
3867 void *context, int vl, int mode,
3870 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3872 return dd->sw_send_dma_eng_err_status_cnt[9];
3875 static u64 access_sdma_packet_desc_overflow_err_cnt(
3876 const struct cntr_entry *entry,
3877 void *context, int vl, int mode, u64 data)
3879 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3881 return dd->sw_send_dma_eng_err_status_cnt[8];
3884 static u64 access_sdma_length_mismatch_err_cnt(const struct cntr_entry *entry,
3885 void *context, int vl,
3888 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3890 return dd->sw_send_dma_eng_err_status_cnt[7];
3893 static u64 access_sdma_halt_err_cnt(const struct cntr_entry *entry,
3894 void *context, int vl, int mode, u64 data)
3896 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3898 return dd->sw_send_dma_eng_err_status_cnt[6];
3901 static u64 access_sdma_mem_read_err_cnt(const struct cntr_entry *entry,
3902 void *context, int vl, int mode,
3905 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3907 return dd->sw_send_dma_eng_err_status_cnt[5];
3910 static u64 access_sdma_first_desc_err_cnt(const struct cntr_entry *entry,
3911 void *context, int vl, int mode,
3914 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3916 return dd->sw_send_dma_eng_err_status_cnt[4];
3919 static u64 access_sdma_tail_out_of_bounds_err_cnt(
3920 const struct cntr_entry *entry,
3921 void *context, int vl, int mode, u64 data)
3923 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3925 return dd->sw_send_dma_eng_err_status_cnt[3];
3928 static u64 access_sdma_too_long_err_cnt(const struct cntr_entry *entry,
3929 void *context, int vl, int mode,
3932 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3934 return dd->sw_send_dma_eng_err_status_cnt[2];
3937 static u64 access_sdma_gen_mismatch_err_cnt(const struct cntr_entry *entry,
3938 void *context, int vl, int mode,
3941 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3943 return dd->sw_send_dma_eng_err_status_cnt[1];
3946 static u64 access_sdma_wrong_dw_err_cnt(const struct cntr_entry *entry,
3947 void *context, int vl, int mode,
3950 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3952 return dd->sw_send_dma_eng_err_status_cnt[0];
3955 static u64 access_dc_rcv_err_cnt(const struct cntr_entry *entry,
3956 void *context, int vl, int mode,
3959 struct hfi1_devdata *dd = (struct hfi1_devdata *)context;
3962 u64 csr = entry->csr;
3964 val = read_write_csr(dd, csr, mode, data);
3965 if (mode == CNTR_MODE_R) {
3966 val = val > CNTR_MAX - dd->sw_rcv_bypass_packet_errors ?
3967 CNTR_MAX : val + dd->sw_rcv_bypass_packet_errors;
3968 } else if (mode == CNTR_MODE_W) {
3969 dd->sw_rcv_bypass_packet_errors = 0;
3971 dd_dev_err(dd, "Invalid cntr register access mode");
3977 #define def_access_sw_cpu(cntr) \
3978 static u64 access_sw_cpu_##cntr(const struct cntr_entry *entry, \
3979 void *context, int vl, int mode, u64 data) \
3981 struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)context; \
3982 return read_write_cpu(ppd->dd, &ppd->ibport_data.rvp.z_ ##cntr, \
3983 ppd->ibport_data.rvp.cntr, vl, \
3987 def_access_sw_cpu(rc_acks);
3988 def_access_sw_cpu(rc_qacks);
3989 def_access_sw_cpu(rc_delayed_comp);
3991 #define def_access_ibp_counter(cntr) \
3992 static u64 access_ibp_##cntr(const struct cntr_entry *entry, \
3993 void *context, int vl, int mode, u64 data) \
3995 struct hfi1_pportdata *ppd = (struct hfi1_pportdata *)context; \
3997 if (vl != CNTR_INVALID_VL) \
4000 return read_write_sw(ppd->dd, &ppd->ibport_data.rvp.n_ ##cntr, \
4004 def_access_ibp_counter(loop_pkts);
4005 def_access_ibp_counter(rc_resends);
4006 def_access_ibp_counter(rnr_naks);
4007 def_access_ibp_counter(other_naks);
4008 def_access_ibp_counter(rc_timeouts);
4009 def_access_ibp_counter(pkt_drops);
4010 def_access_ibp_counter(dmawait);
4011 def_access_ibp_counter(rc_seqnak);
4012 def_access_ibp_counter(rc_dupreq);
4013 def_access_ibp_counter(rdma_seq);
4014 def_access_ibp_counter(unaligned);
4015 def_access_ibp_counter(seq_naks);
4017 static struct cntr_entry dev_cntrs[DEV_CNTR_LAST] = {
4018 [C_RCV_OVF] = RXE32_DEV_CNTR_ELEM(RcvOverflow, RCV_BUF_OVFL_CNT, CNTR_SYNTH),
4019 [C_RX_TID_FULL] = RXE32_DEV_CNTR_ELEM(RxTIDFullEr, RCV_TID_FULL_ERR_CNT,
4021 [C_RX_TID_INVALID] = RXE32_DEV_CNTR_ELEM(RxTIDInvalid, RCV_TID_VALID_ERR_CNT,
4023 [C_RX_TID_FLGMS] = RXE32_DEV_CNTR_ELEM(RxTidFLGMs,
4024 RCV_TID_FLOW_GEN_MISMATCH_CNT,
4026 [C_RX_CTX_EGRS] = RXE32_DEV_CNTR_ELEM(RxCtxEgrS, RCV_CONTEXT_EGR_STALL,
4028 [C_RCV_TID_FLSMS] = RXE32_DEV_CNTR_ELEM(RxTidFLSMs,
4029 RCV_TID_FLOW_SEQ_MISMATCH_CNT, CNTR_NORMAL),
4030 [C_CCE_PCI_CR_ST] = CCE_PERF_DEV_CNTR_ELEM(CcePciCrSt,
4031 CCE_PCIE_POSTED_CRDT_STALL_CNT, CNTR_NORMAL),
4032 [C_CCE_PCI_TR_ST] = CCE_PERF_DEV_CNTR_ELEM(CcePciTrSt, CCE_PCIE_TRGT_STALL_CNT,
4034 [C_CCE_PIO_WR_ST] = CCE_PERF_DEV_CNTR_ELEM(CcePioWrSt, CCE_PIO_WR_STALL_CNT,
4036 [C_CCE_ERR_INT] = CCE_INT_DEV_CNTR_ELEM(CceErrInt, CCE_ERR_INT_CNT,
4038 [C_CCE_SDMA_INT] = CCE_INT_DEV_CNTR_ELEM(CceSdmaInt, CCE_SDMA_INT_CNT,
4040 [C_CCE_MISC_INT] = CCE_INT_DEV_CNTR_ELEM(CceMiscInt, CCE_MISC_INT_CNT,
4042 [C_CCE_RCV_AV_INT] = CCE_INT_DEV_CNTR_ELEM(CceRcvAvInt, CCE_RCV_AVAIL_INT_CNT,
4044 [C_CCE_RCV_URG_INT] = CCE_INT_DEV_CNTR_ELEM(CceRcvUrgInt,
4045 CCE_RCV_URGENT_INT_CNT, CNTR_NORMAL),
4046 [C_CCE_SEND_CR_INT] = CCE_INT_DEV_CNTR_ELEM(CceSndCrInt,
4047 CCE_SEND_CREDIT_INT_CNT, CNTR_NORMAL),
4048 [C_DC_UNC_ERR] = DC_PERF_CNTR(DcUnctblErr, DCC_ERR_UNCORRECTABLE_CNT,
4050 [C_DC_RCV_ERR] = CNTR_ELEM("DcRecvErr", DCC_ERR_PORTRCV_ERR_CNT, 0, CNTR_SYNTH,
4051 access_dc_rcv_err_cnt),
4052 [C_DC_FM_CFG_ERR] = DC_PERF_CNTR(DcFmCfgErr, DCC_ERR_FMCONFIG_ERR_CNT,
4054 [C_DC_RMT_PHY_ERR] = DC_PERF_CNTR(DcRmtPhyErr, DCC_ERR_RCVREMOTE_PHY_ERR_CNT,
4056 [C_DC_DROPPED_PKT] = DC_PERF_CNTR(DcDroppedPkt, DCC_ERR_DROPPED_PKT_CNT,
4058 [C_DC_MC_XMIT_PKTS] = DC_PERF_CNTR(DcMcXmitPkts,
4059 DCC_PRF_PORT_XMIT_MULTICAST_CNT, CNTR_SYNTH),
4060 [C_DC_MC_RCV_PKTS] = DC_PERF_CNTR(DcMcRcvPkts,
4061 DCC_PRF_PORT_RCV_MULTICAST_PKT_CNT,
4063 [C_DC_XMIT_CERR] = DC_PERF_CNTR(DcXmitCorr,
4064 DCC_PRF_PORT_XMIT_CORRECTABLE_CNT, CNTR_SYNTH),
4065 [C_DC_RCV_CERR] = DC_PERF_CNTR(DcRcvCorrCnt, DCC_PRF_PORT_RCV_CORRECTABLE_CNT,
4067 [C_DC_RCV_FCC] = DC_PERF_CNTR(DcRxFCntl, DCC_PRF_RX_FLOW_CRTL_CNT,
4069 [C_DC_XMIT_FCC] = DC_PERF_CNTR(DcXmitFCntl, DCC_PRF_TX_FLOW_CRTL_CNT,
4071 [C_DC_XMIT_FLITS] = DC_PERF_CNTR(DcXmitFlits, DCC_PRF_PORT_XMIT_DATA_CNT,
4073 [C_DC_RCV_FLITS] = DC_PERF_CNTR(DcRcvFlits, DCC_PRF_PORT_RCV_DATA_CNT,
4075 [C_DC_XMIT_PKTS] = DC_PERF_CNTR(DcXmitPkts, DCC_PRF_PORT_XMIT_PKTS_CNT,
4077 [C_DC_RCV_PKTS] = DC_PERF_CNTR(DcRcvPkts, DCC_PRF_PORT_RCV_PKTS_CNT,
4079 [C_DC_RX_FLIT_VL] = DC_PERF_CNTR(DcRxFlitVl, DCC_PRF_PORT_VL_RCV_DATA_CNT,
4080 CNTR_SYNTH | CNTR_VL),
4081 [C_DC_RX_PKT_VL] = DC_PERF_CNTR(DcRxPktVl, DCC_PRF_PORT_VL_RCV_PKTS_CNT,
4082 CNTR_SYNTH | CNTR_VL),
4083 [C_DC_RCV_FCN] = DC_PERF_CNTR(DcRcvFcn, DCC_PRF_PORT_RCV_FECN_CNT, CNTR_SYNTH),
4084 [C_DC_RCV_FCN_VL] = DC_PERF_CNTR(DcRcvFcnVl, DCC_PRF_PORT_VL_RCV_FECN_CNT,
4085 CNTR_SYNTH | CNTR_VL),
4086 [C_DC_RCV_BCN] = DC_PERF_CNTR(DcRcvBcn, DCC_PRF_PORT_RCV_BECN_CNT, CNTR_SYNTH),
4087 [C_DC_RCV_BCN_VL] = DC_PERF_CNTR(DcRcvBcnVl, DCC_PRF_PORT_VL_RCV_BECN_CNT,
4088 CNTR_SYNTH | CNTR_VL),
4089 [C_DC_RCV_BBL] = DC_PERF_CNTR(DcRcvBbl, DCC_PRF_PORT_RCV_BUBBLE_CNT,
4091 [C_DC_RCV_BBL_VL] = DC_PERF_CNTR(DcRcvBblVl, DCC_PRF_PORT_VL_RCV_BUBBLE_CNT,
4092 CNTR_SYNTH | CNTR_VL),
4093 [C_DC_MARK_FECN] = DC_PERF_CNTR(DcMarkFcn, DCC_PRF_PORT_MARK_FECN_CNT,
4095 [C_DC_MARK_FECN_VL] = DC_PERF_CNTR(DcMarkFcnVl, DCC_PRF_PORT_VL_MARK_FECN_CNT,
4096 CNTR_SYNTH | CNTR_VL),
4098 DC_PERF_CNTR_LCB(DcTotCrc, DC_LCB_ERR_INFO_TOTAL_CRC_ERR,
4100 [C_DC_CRC_LN0] = DC_PERF_CNTR_LCB(DcCrcLn0, DC_LCB_ERR_INFO_CRC_ERR_LN0,
4102 [C_DC_CRC_LN1] = DC_PERF_CNTR_LCB(DcCrcLn1, DC_LCB_ERR_INFO_CRC_ERR_LN1,
4104 [C_DC_CRC_LN2] = DC_PERF_CNTR_LCB(DcCrcLn2, DC_LCB_ERR_INFO_CRC_ERR_LN2,
4106 [C_DC_CRC_LN3] = DC_PERF_CNTR_LCB(DcCrcLn3, DC_LCB_ERR_INFO_CRC_ERR_LN3,
4108 [C_DC_CRC_MULT_LN] =
4109 DC_PERF_CNTR_LCB(DcMultLn, DC_LCB_ERR_INFO_CRC_ERR_MULTI_LN,
4111 [C_DC_TX_REPLAY] = DC_PERF_CNTR_LCB(DcTxReplay, DC_LCB_ERR_INFO_TX_REPLAY_CNT,
4113 [C_DC_RX_REPLAY] = DC_PERF_CNTR_LCB(DcRxReplay, DC_LCB_ERR_INFO_RX_REPLAY_CNT,
4115 [C_DC_SEQ_CRC_CNT] =
4116 DC_PERF_CNTR_LCB(DcLinkSeqCrc, DC_LCB_ERR_INFO_SEQ_CRC_CNT,
4118 [C_DC_ESC0_ONLY_CNT] =
4119 DC_PERF_CNTR_LCB(DcEsc0, DC_LCB_ERR_INFO_ESCAPE_0_ONLY_CNT,
4121 [C_DC_ESC0_PLUS1_CNT] =
4122 DC_PERF_CNTR_LCB(DcEsc1, DC_LCB_ERR_INFO_ESCAPE_0_PLUS1_CNT,
4124 [C_DC_ESC0_PLUS2_CNT] =
4125 DC_PERF_CNTR_LCB(DcEsc0Plus2, DC_LCB_ERR_INFO_ESCAPE_0_PLUS2_CNT,
4127 [C_DC_REINIT_FROM_PEER_CNT] =
4128 DC_PERF_CNTR_LCB(DcReinitPeer, DC_LCB_ERR_INFO_REINIT_FROM_PEER_CNT,
4130 [C_DC_SBE_CNT] = DC_PERF_CNTR_LCB(DcSbe, DC_LCB_ERR_INFO_SBE_CNT,
4132 [C_DC_MISC_FLG_CNT] =
4133 DC_PERF_CNTR_LCB(DcMiscFlg, DC_LCB_ERR_INFO_MISC_FLG_CNT,
4135 [C_DC_PRF_GOOD_LTP_CNT] =
4136 DC_PERF_CNTR_LCB(DcGoodLTP, DC_LCB_PRF_GOOD_LTP_CNT, CNTR_SYNTH),
4137 [C_DC_PRF_ACCEPTED_LTP_CNT] =
4138 DC_PERF_CNTR_LCB(DcAccLTP, DC_LCB_PRF_ACCEPTED_LTP_CNT,
4140 [C_DC_PRF_RX_FLIT_CNT] =
4141 DC_PERF_CNTR_LCB(DcPrfRxFlit, DC_LCB_PRF_RX_FLIT_CNT, CNTR_SYNTH),
4142 [C_DC_PRF_TX_FLIT_CNT] =
4143 DC_PERF_CNTR_LCB(DcPrfTxFlit, DC_LCB_PRF_TX_FLIT_CNT, CNTR_SYNTH),
4144 [C_DC_PRF_CLK_CNTR] =
4145 DC_PERF_CNTR_LCB(DcPrfClk, DC_LCB_PRF_CLK_CNTR, CNTR_SYNTH),
4146 [C_DC_PG_DBG_FLIT_CRDTS_CNT] =
4147 DC_PERF_CNTR_LCB(DcFltCrdts, DC_LCB_PG_DBG_FLIT_CRDTS_CNT, CNTR_SYNTH),
4148 [C_DC_PG_STS_PAUSE_COMPLETE_CNT] =
4149 DC_PERF_CNTR_LCB(DcPauseComp, DC_LCB_PG_STS_PAUSE_COMPLETE_CNT,
4151 [C_DC_PG_STS_TX_SBE_CNT] =
4152 DC_PERF_CNTR_LCB(DcStsTxSbe, DC_LCB_PG_STS_TX_SBE_CNT, CNTR_SYNTH),
4153 [C_DC_PG_STS_TX_MBE_CNT] =
4154 DC_PERF_CNTR_LCB(DcStsTxMbe, DC_LCB_PG_STS_TX_MBE_CNT,
4156 [C_SW_CPU_INTR] = CNTR_ELEM("Intr", 0, 0, CNTR_NORMAL,
4157 access_sw_cpu_intr),
4158 [C_SW_CPU_RCV_LIM] = CNTR_ELEM("RcvLimit", 0, 0, CNTR_NORMAL,
4159 access_sw_cpu_rcv_limit),
4160 [C_SW_VTX_WAIT] = CNTR_ELEM("vTxWait", 0, 0, CNTR_NORMAL,
4161 access_sw_vtx_wait),
4162 [C_SW_PIO_WAIT] = CNTR_ELEM("PioWait", 0, 0, CNTR_NORMAL,
4163 access_sw_pio_wait),
4164 [C_SW_PIO_DRAIN] = CNTR_ELEM("PioDrain", 0, 0, CNTR_NORMAL,
4165 access_sw_pio_drain),
4166 [C_SW_KMEM_WAIT] = CNTR_ELEM("KmemWait", 0, 0, CNTR_NORMAL,
4167 access_sw_kmem_wait),
4168 [C_SW_SEND_SCHED] = CNTR_ELEM("SendSched", 0, 0, CNTR_NORMAL,
4169 access_sw_send_schedule),
4170 [C_SDMA_DESC_FETCHED_CNT] = CNTR_ELEM("SDEDscFdCn",
4171 SEND_DMA_DESC_FETCHED_CNT, 0,
4172 CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA,
4173 dev_access_u32_csr),
4174 [C_SDMA_INT_CNT] = CNTR_ELEM("SDMAInt", 0, 0,
4175 CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA,
4176 access_sde_int_cnt),
4177 [C_SDMA_ERR_CNT] = CNTR_ELEM("SDMAErrCt", 0, 0,
4178 CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA,
4179 access_sde_err_cnt),
4180 [C_SDMA_IDLE_INT_CNT] = CNTR_ELEM("SDMAIdInt", 0, 0,
4181 CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA,
4182 access_sde_idle_int_cnt),
4183 [C_SDMA_PROGRESS_INT_CNT] = CNTR_ELEM("SDMAPrIntCn", 0, 0,
4184 CNTR_NORMAL | CNTR_32BIT | CNTR_SDMA,
4185 access_sde_progress_int_cnt),
4186 /* MISC_ERR_STATUS */
4187 [C_MISC_PLL_LOCK_FAIL_ERR] = CNTR_ELEM("MISC_PLL_LOCK_FAIL_ERR", 0, 0,
4189 access_misc_pll_lock_fail_err_cnt),
4190 [C_MISC_MBIST_FAIL_ERR] = CNTR_ELEM("MISC_MBIST_FAIL_ERR", 0, 0,
4192 access_misc_mbist_fail_err_cnt),
4193 [C_MISC_INVALID_EEP_CMD_ERR] = CNTR_ELEM("MISC_INVALID_EEP_CMD_ERR", 0, 0,
4195 access_misc_invalid_eep_cmd_err_cnt),
4196 [C_MISC_EFUSE_DONE_PARITY_ERR] = CNTR_ELEM("MISC_EFUSE_DONE_PARITY_ERR", 0, 0,
4198 access_misc_efuse_done_parity_err_cnt),
4199 [C_MISC_EFUSE_WRITE_ERR] = CNTR_ELEM("MISC_EFUSE_WRITE_ERR", 0, 0,
4201 access_misc_efuse_write_err_cnt),
4202 [C_MISC_EFUSE_READ_BAD_ADDR_ERR] = CNTR_ELEM("MISC_EFUSE_READ_BAD_ADDR_ERR", 0,
4204 access_misc_efuse_read_bad_addr_err_cnt),
4205 [C_MISC_EFUSE_CSR_PARITY_ERR] = CNTR_ELEM("MISC_EFUSE_CSR_PARITY_ERR", 0, 0,
4207 access_misc_efuse_csr_parity_err_cnt),
4208 [C_MISC_FW_AUTH_FAILED_ERR] = CNTR_ELEM("MISC_FW_AUTH_FAILED_ERR", 0, 0,
4210 access_misc_fw_auth_failed_err_cnt),
4211 [C_MISC_KEY_MISMATCH_ERR] = CNTR_ELEM("MISC_KEY_MISMATCH_ERR", 0, 0,
4213 access_misc_key_mismatch_err_cnt),
4214 [C_MISC_SBUS_WRITE_FAILED_ERR] = CNTR_ELEM("MISC_SBUS_WRITE_FAILED_ERR", 0, 0,
4216 access_misc_sbus_write_failed_err_cnt),
4217 [C_MISC_CSR_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("MISC_CSR_WRITE_BAD_ADDR_ERR", 0, 0,
4219 access_misc_csr_write_bad_addr_err_cnt),
4220 [C_MISC_CSR_READ_BAD_ADDR_ERR] = CNTR_ELEM("MISC_CSR_READ_BAD_ADDR_ERR", 0, 0,
4222 access_misc_csr_read_bad_addr_err_cnt),
4223 [C_MISC_CSR_PARITY_ERR] = CNTR_ELEM("MISC_CSR_PARITY_ERR", 0, 0,
4225 access_misc_csr_parity_err_cnt),
4227 [C_CCE_ERR_STATUS_AGGREGATED_CNT] = CNTR_ELEM("CceErrStatusAggregatedCnt", 0, 0,
4229 access_sw_cce_err_status_aggregated_cnt),
4230 [C_CCE_MSIX_CSR_PARITY_ERR] = CNTR_ELEM("CceMsixCsrParityErr", 0, 0,
4232 access_cce_msix_csr_parity_err_cnt),
4233 [C_CCE_INT_MAP_UNC_ERR] = CNTR_ELEM("CceIntMapUncErr", 0, 0,
4235 access_cce_int_map_unc_err_cnt),
4236 [C_CCE_INT_MAP_COR_ERR] = CNTR_ELEM("CceIntMapCorErr", 0, 0,
4238 access_cce_int_map_cor_err_cnt),
4239 [C_CCE_MSIX_TABLE_UNC_ERR] = CNTR_ELEM("CceMsixTableUncErr", 0, 0,
4241 access_cce_msix_table_unc_err_cnt),
4242 [C_CCE_MSIX_TABLE_COR_ERR] = CNTR_ELEM("CceMsixTableCorErr", 0, 0,
4244 access_cce_msix_table_cor_err_cnt),
4245 [C_CCE_RXDMA_CONV_FIFO_PARITY_ERR] = CNTR_ELEM("CceRxdmaConvFifoParityErr", 0,
4247 access_cce_rxdma_conv_fifo_parity_err_cnt),
4248 [C_CCE_RCPL_ASYNC_FIFO_PARITY_ERR] = CNTR_ELEM("CceRcplAsyncFifoParityErr", 0,
4250 access_cce_rcpl_async_fifo_parity_err_cnt),
4251 [C_CCE_SEG_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("CceSegWriteBadAddrErr", 0, 0,
4253 access_cce_seg_write_bad_addr_err_cnt),
4254 [C_CCE_SEG_READ_BAD_ADDR_ERR] = CNTR_ELEM("CceSegReadBadAddrErr", 0, 0,
4256 access_cce_seg_read_bad_addr_err_cnt),
4257 [C_LA_TRIGGERED] = CNTR_ELEM("Cce LATriggered", 0, 0,
4259 access_la_triggered_cnt),
4260 [C_CCE_TRGT_CPL_TIMEOUT_ERR] = CNTR_ELEM("CceTrgtCplTimeoutErr", 0, 0,
4262 access_cce_trgt_cpl_timeout_err_cnt),
4263 [C_PCIC_RECEIVE_PARITY_ERR] = CNTR_ELEM("PcicReceiveParityErr", 0, 0,
4265 access_pcic_receive_parity_err_cnt),
4266 [C_PCIC_TRANSMIT_BACK_PARITY_ERR] = CNTR_ELEM("PcicTransmitBackParityErr", 0, 0,
4268 access_pcic_transmit_back_parity_err_cnt),
4269 [C_PCIC_TRANSMIT_FRONT_PARITY_ERR] = CNTR_ELEM("PcicTransmitFrontParityErr", 0,
4271 access_pcic_transmit_front_parity_err_cnt),
4272 [C_PCIC_CPL_DAT_Q_UNC_ERR] = CNTR_ELEM("PcicCplDatQUncErr", 0, 0,
4274 access_pcic_cpl_dat_q_unc_err_cnt),
4275 [C_PCIC_CPL_HD_Q_UNC_ERR] = CNTR_ELEM("PcicCplHdQUncErr", 0, 0,
4277 access_pcic_cpl_hd_q_unc_err_cnt),
4278 [C_PCIC_POST_DAT_Q_UNC_ERR] = CNTR_ELEM("PcicPostDatQUncErr", 0, 0,
4280 access_pcic_post_dat_q_unc_err_cnt),
4281 [C_PCIC_POST_HD_Q_UNC_ERR] = CNTR_ELEM("PcicPostHdQUncErr", 0, 0,
4283 access_pcic_post_hd_q_unc_err_cnt),
4284 [C_PCIC_RETRY_SOT_MEM_UNC_ERR] = CNTR_ELEM("PcicRetrySotMemUncErr", 0, 0,
4286 access_pcic_retry_sot_mem_unc_err_cnt),
4287 [C_PCIC_RETRY_MEM_UNC_ERR] = CNTR_ELEM("PcicRetryMemUncErr", 0, 0,
4289 access_pcic_retry_mem_unc_err),
4290 [C_PCIC_N_POST_DAT_Q_PARITY_ERR] = CNTR_ELEM("PcicNPostDatQParityErr", 0, 0,
4292 access_pcic_n_post_dat_q_parity_err_cnt),
4293 [C_PCIC_N_POST_H_Q_PARITY_ERR] = CNTR_ELEM("PcicNPostHQParityErr", 0, 0,
4295 access_pcic_n_post_h_q_parity_err_cnt),
4296 [C_PCIC_CPL_DAT_Q_COR_ERR] = CNTR_ELEM("PcicCplDatQCorErr", 0, 0,
4298 access_pcic_cpl_dat_q_cor_err_cnt),
4299 [C_PCIC_CPL_HD_Q_COR_ERR] = CNTR_ELEM("PcicCplHdQCorErr", 0, 0,
4301 access_pcic_cpl_hd_q_cor_err_cnt),
4302 [C_PCIC_POST_DAT_Q_COR_ERR] = CNTR_ELEM("PcicPostDatQCorErr", 0, 0,
4304 access_pcic_post_dat_q_cor_err_cnt),
4305 [C_PCIC_POST_HD_Q_COR_ERR] = CNTR_ELEM("PcicPostHdQCorErr", 0, 0,
4307 access_pcic_post_hd_q_cor_err_cnt),
4308 [C_PCIC_RETRY_SOT_MEM_COR_ERR] = CNTR_ELEM("PcicRetrySotMemCorErr", 0, 0,
4310 access_pcic_retry_sot_mem_cor_err_cnt),
4311 [C_PCIC_RETRY_MEM_COR_ERR] = CNTR_ELEM("PcicRetryMemCorErr", 0, 0,
4313 access_pcic_retry_mem_cor_err_cnt),
4314 [C_CCE_CLI1_ASYNC_FIFO_DBG_PARITY_ERR] = CNTR_ELEM(
4315 "CceCli1AsyncFifoDbgParityError", 0, 0,
4317 access_cce_cli1_async_fifo_dbg_parity_err_cnt),
4318 [C_CCE_CLI1_ASYNC_FIFO_RXDMA_PARITY_ERR] = CNTR_ELEM(
4319 "CceCli1AsyncFifoRxdmaParityError", 0, 0,
4321 access_cce_cli1_async_fifo_rxdma_parity_err_cnt
4323 [C_CCE_CLI1_ASYNC_FIFO_SDMA_HD_PARITY_ERR] = CNTR_ELEM(
4324 "CceCli1AsyncFifoSdmaHdParityErr", 0, 0,
4326 access_cce_cli1_async_fifo_sdma_hd_parity_err_cnt),
4327 [C_CCE_CLI1_ASYNC_FIFO_PIO_CRDT_PARITY_ERR] = CNTR_ELEM(
4328 "CceCli1AsyncFifoPioCrdtParityErr", 0, 0,
4330 access_cce_cl1_async_fifo_pio_crdt_parity_err_cnt),
4331 [C_CCE_CLI2_ASYNC_FIFO_PARITY_ERR] = CNTR_ELEM("CceCli2AsyncFifoParityErr", 0,
4333 access_cce_cli2_async_fifo_parity_err_cnt),
4334 [C_CCE_CSR_CFG_BUS_PARITY_ERR] = CNTR_ELEM("CceCsrCfgBusParityErr", 0, 0,
4336 access_cce_csr_cfg_bus_parity_err_cnt),
4337 [C_CCE_CLI0_ASYNC_FIFO_PARTIY_ERR] = CNTR_ELEM("CceCli0AsyncFifoParityErr", 0,
4339 access_cce_cli0_async_fifo_parity_err_cnt),
4340 [C_CCE_RSPD_DATA_PARITY_ERR] = CNTR_ELEM("CceRspdDataParityErr", 0, 0,
4342 access_cce_rspd_data_parity_err_cnt),
4343 [C_CCE_TRGT_ACCESS_ERR] = CNTR_ELEM("CceTrgtAccessErr", 0, 0,
4345 access_cce_trgt_access_err_cnt),
4346 [C_CCE_TRGT_ASYNC_FIFO_PARITY_ERR] = CNTR_ELEM("CceTrgtAsyncFifoParityErr", 0,
4348 access_cce_trgt_async_fifo_parity_err_cnt),
4349 [C_CCE_CSR_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("CceCsrWriteBadAddrErr", 0, 0,
4351 access_cce_csr_write_bad_addr_err_cnt),
4352 [C_CCE_CSR_READ_BAD_ADDR_ERR] = CNTR_ELEM("CceCsrReadBadAddrErr", 0, 0,
4354 access_cce_csr_read_bad_addr_err_cnt),
4355 [C_CCE_CSR_PARITY_ERR] = CNTR_ELEM("CceCsrParityErr", 0, 0,
4357 access_ccs_csr_parity_err_cnt),
4360 [C_RX_CSR_PARITY_ERR] = CNTR_ELEM("RxCsrParityErr", 0, 0,
4362 access_rx_csr_parity_err_cnt),
4363 [C_RX_CSR_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("RxCsrWriteBadAddrErr", 0, 0,
4365 access_rx_csr_write_bad_addr_err_cnt),
4366 [C_RX_CSR_READ_BAD_ADDR_ERR] = CNTR_ELEM("RxCsrReadBadAddrErr", 0, 0,
4368 access_rx_csr_read_bad_addr_err_cnt),
4369 [C_RX_DMA_CSR_UNC_ERR] = CNTR_ELEM("RxDmaCsrUncErr", 0, 0,
4371 access_rx_dma_csr_unc_err_cnt),
4372 [C_RX_DMA_DQ_FSM_ENCODING_ERR] = CNTR_ELEM("RxDmaDqFsmEncodingErr", 0, 0,
4374 access_rx_dma_dq_fsm_encoding_err_cnt),
4375 [C_RX_DMA_EQ_FSM_ENCODING_ERR] = CNTR_ELEM("RxDmaEqFsmEncodingErr", 0, 0,
4377 access_rx_dma_eq_fsm_encoding_err_cnt),
4378 [C_RX_DMA_CSR_PARITY_ERR] = CNTR_ELEM("RxDmaCsrParityErr", 0, 0,
4380 access_rx_dma_csr_parity_err_cnt),
4381 [C_RX_RBUF_DATA_COR_ERR] = CNTR_ELEM("RxRbufDataCorErr", 0, 0,
4383 access_rx_rbuf_data_cor_err_cnt),
4384 [C_RX_RBUF_DATA_UNC_ERR] = CNTR_ELEM("RxRbufDataUncErr", 0, 0,
4386 access_rx_rbuf_data_unc_err_cnt),
4387 [C_RX_DMA_DATA_FIFO_RD_COR_ERR] = CNTR_ELEM("RxDmaDataFifoRdCorErr", 0, 0,
4389 access_rx_dma_data_fifo_rd_cor_err_cnt),
4390 [C_RX_DMA_DATA_FIFO_RD_UNC_ERR] = CNTR_ELEM("RxDmaDataFifoRdUncErr", 0, 0,
4392 access_rx_dma_data_fifo_rd_unc_err_cnt),
4393 [C_RX_DMA_HDR_FIFO_RD_COR_ERR] = CNTR_ELEM("RxDmaHdrFifoRdCorErr", 0, 0,
4395 access_rx_dma_hdr_fifo_rd_cor_err_cnt),
4396 [C_RX_DMA_HDR_FIFO_RD_UNC_ERR] = CNTR_ELEM("RxDmaHdrFifoRdUncErr", 0, 0,
4398 access_rx_dma_hdr_fifo_rd_unc_err_cnt),
4399 [C_RX_RBUF_DESC_PART2_COR_ERR] = CNTR_ELEM("RxRbufDescPart2CorErr", 0, 0,
4401 access_rx_rbuf_desc_part2_cor_err_cnt),
4402 [C_RX_RBUF_DESC_PART2_UNC_ERR] = CNTR_ELEM("RxRbufDescPart2UncErr", 0, 0,
4404 access_rx_rbuf_desc_part2_unc_err_cnt),
4405 [C_RX_RBUF_DESC_PART1_COR_ERR] = CNTR_ELEM("RxRbufDescPart1CorErr", 0, 0,
4407 access_rx_rbuf_desc_part1_cor_err_cnt),
4408 [C_RX_RBUF_DESC_PART1_UNC_ERR] = CNTR_ELEM("RxRbufDescPart1UncErr", 0, 0,
4410 access_rx_rbuf_desc_part1_unc_err_cnt),
4411 [C_RX_HQ_INTR_FSM_ERR] = CNTR_ELEM("RxHqIntrFsmErr", 0, 0,
4413 access_rx_hq_intr_fsm_err_cnt),
4414 [C_RX_HQ_INTR_CSR_PARITY_ERR] = CNTR_ELEM("RxHqIntrCsrParityErr", 0, 0,
4416 access_rx_hq_intr_csr_parity_err_cnt),
4417 [C_RX_LOOKUP_CSR_PARITY_ERR] = CNTR_ELEM("RxLookupCsrParityErr", 0, 0,
4419 access_rx_lookup_csr_parity_err_cnt),
4420 [C_RX_LOOKUP_RCV_ARRAY_COR_ERR] = CNTR_ELEM("RxLookupRcvArrayCorErr", 0, 0,
4422 access_rx_lookup_rcv_array_cor_err_cnt),
4423 [C_RX_LOOKUP_RCV_ARRAY_UNC_ERR] = CNTR_ELEM("RxLookupRcvArrayUncErr", 0, 0,
4425 access_rx_lookup_rcv_array_unc_err_cnt),
4426 [C_RX_LOOKUP_DES_PART2_PARITY_ERR] = CNTR_ELEM("RxLookupDesPart2ParityErr", 0,
4428 access_rx_lookup_des_part2_parity_err_cnt),
4429 [C_RX_LOOKUP_DES_PART1_UNC_COR_ERR] = CNTR_ELEM("RxLookupDesPart1UncCorErr", 0,
4431 access_rx_lookup_des_part1_unc_cor_err_cnt),
4432 [C_RX_LOOKUP_DES_PART1_UNC_ERR] = CNTR_ELEM("RxLookupDesPart1UncErr", 0, 0,
4434 access_rx_lookup_des_part1_unc_err_cnt),
4435 [C_RX_RBUF_NEXT_FREE_BUF_COR_ERR] = CNTR_ELEM("RxRbufNextFreeBufCorErr", 0, 0,
4437 access_rx_rbuf_next_free_buf_cor_err_cnt),
4438 [C_RX_RBUF_NEXT_FREE_BUF_UNC_ERR] = CNTR_ELEM("RxRbufNextFreeBufUncErr", 0, 0,
4440 access_rx_rbuf_next_free_buf_unc_err_cnt),
4441 [C_RX_RBUF_FL_INIT_WR_ADDR_PARITY_ERR] = CNTR_ELEM(
4442 "RxRbufFlInitWrAddrParityErr", 0, 0,
4444 access_rbuf_fl_init_wr_addr_parity_err_cnt),
4445 [C_RX_RBUF_FL_INITDONE_PARITY_ERR] = CNTR_ELEM("RxRbufFlInitdoneParityErr", 0,
4447 access_rx_rbuf_fl_initdone_parity_err_cnt),
4448 [C_RX_RBUF_FL_WRITE_ADDR_PARITY_ERR] = CNTR_ELEM("RxRbufFlWrAddrParityErr", 0,
4450 access_rx_rbuf_fl_write_addr_parity_err_cnt),
4451 [C_RX_RBUF_FL_RD_ADDR_PARITY_ERR] = CNTR_ELEM("RxRbufFlRdAddrParityErr", 0, 0,
4453 access_rx_rbuf_fl_rd_addr_parity_err_cnt),
4454 [C_RX_RBUF_EMPTY_ERR] = CNTR_ELEM("RxRbufEmptyErr", 0, 0,
4456 access_rx_rbuf_empty_err_cnt),
4457 [C_RX_RBUF_FULL_ERR] = CNTR_ELEM("RxRbufFullErr", 0, 0,
4459 access_rx_rbuf_full_err_cnt),
4460 [C_RX_RBUF_BAD_LOOKUP_ERR] = CNTR_ELEM("RxRBufBadLookupErr", 0, 0,
4462 access_rbuf_bad_lookup_err_cnt),
4463 [C_RX_RBUF_CTX_ID_PARITY_ERR] = CNTR_ELEM("RxRbufCtxIdParityErr", 0, 0,
4465 access_rbuf_ctx_id_parity_err_cnt),
4466 [C_RX_RBUF_CSR_QEOPDW_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQEOPDWParityErr", 0, 0,
4468 access_rbuf_csr_qeopdw_parity_err_cnt),
4469 [C_RX_RBUF_CSR_Q_NUM_OF_PKT_PARITY_ERR] = CNTR_ELEM(
4470 "RxRbufCsrQNumOfPktParityErr", 0, 0,
4472 access_rx_rbuf_csr_q_num_of_pkt_parity_err_cnt),
4473 [C_RX_RBUF_CSR_Q_T1_PTR_PARITY_ERR] = CNTR_ELEM(
4474 "RxRbufCsrQTlPtrParityErr", 0, 0,
4476 access_rx_rbuf_csr_q_t1_ptr_parity_err_cnt),
4477 [C_RX_RBUF_CSR_Q_HD_PTR_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQHdPtrParityErr", 0,
4479 access_rx_rbuf_csr_q_hd_ptr_parity_err_cnt),
4480 [C_RX_RBUF_CSR_Q_VLD_BIT_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQVldBitParityErr", 0,
4482 access_rx_rbuf_csr_q_vld_bit_parity_err_cnt),
4483 [C_RX_RBUF_CSR_Q_NEXT_BUF_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQNextBufParityErr",
4485 access_rx_rbuf_csr_q_next_buf_parity_err_cnt),
4486 [C_RX_RBUF_CSR_Q_ENT_CNT_PARITY_ERR] = CNTR_ELEM("RxRbufCsrQEntCntParityErr", 0,
4488 access_rx_rbuf_csr_q_ent_cnt_parity_err_cnt),
4489 [C_RX_RBUF_CSR_Q_HEAD_BUF_NUM_PARITY_ERR] = CNTR_ELEM(
4490 "RxRbufCsrQHeadBufNumParityErr", 0, 0,
4492 access_rx_rbuf_csr_q_head_buf_num_parity_err_cnt),
4493 [C_RX_RBUF_BLOCK_LIST_READ_COR_ERR] = CNTR_ELEM("RxRbufBlockListReadCorErr", 0,
4495 access_rx_rbuf_block_list_read_cor_err_cnt),
4496 [C_RX_RBUF_BLOCK_LIST_READ_UNC_ERR] = CNTR_ELEM("RxRbufBlockListReadUncErr", 0,
4498 access_rx_rbuf_block_list_read_unc_err_cnt),
4499 [C_RX_RBUF_LOOKUP_DES_COR_ERR] = CNTR_ELEM("RxRbufLookupDesCorErr", 0, 0,
4501 access_rx_rbuf_lookup_des_cor_err_cnt),
4502 [C_RX_RBUF_LOOKUP_DES_UNC_ERR] = CNTR_ELEM("RxRbufLookupDesUncErr", 0, 0,
4504 access_rx_rbuf_lookup_des_unc_err_cnt),
4505 [C_RX_RBUF_LOOKUP_DES_REG_UNC_COR_ERR] = CNTR_ELEM(
4506 "RxRbufLookupDesRegUncCorErr", 0, 0,
4508 access_rx_rbuf_lookup_des_reg_unc_cor_err_cnt),
4509 [C_RX_RBUF_LOOKUP_DES_REG_UNC_ERR] = CNTR_ELEM("RxRbufLookupDesRegUncErr", 0, 0,
4511 access_rx_rbuf_lookup_des_reg_unc_err_cnt),
4512 [C_RX_RBUF_FREE_LIST_COR_ERR] = CNTR_ELEM("RxRbufFreeListCorErr", 0, 0,
4514 access_rx_rbuf_free_list_cor_err_cnt),
4515 [C_RX_RBUF_FREE_LIST_UNC_ERR] = CNTR_ELEM("RxRbufFreeListUncErr", 0, 0,
4517 access_rx_rbuf_free_list_unc_err_cnt),
4518 [C_RX_RCV_FSM_ENCODING_ERR] = CNTR_ELEM("RxRcvFsmEncodingErr", 0, 0,
4520 access_rx_rcv_fsm_encoding_err_cnt),
4521 [C_RX_DMA_FLAG_COR_ERR] = CNTR_ELEM("RxDmaFlagCorErr", 0, 0,
4523 access_rx_dma_flag_cor_err_cnt),
4524 [C_RX_DMA_FLAG_UNC_ERR] = CNTR_ELEM("RxDmaFlagUncErr", 0, 0,
4526 access_rx_dma_flag_unc_err_cnt),
4527 [C_RX_DC_SOP_EOP_PARITY_ERR] = CNTR_ELEM("RxDcSopEopParityErr", 0, 0,
4529 access_rx_dc_sop_eop_parity_err_cnt),
4530 [C_RX_RCV_CSR_PARITY_ERR] = CNTR_ELEM("RxRcvCsrParityErr", 0, 0,
4532 access_rx_rcv_csr_parity_err_cnt),
4533 [C_RX_RCV_QP_MAP_TABLE_COR_ERR] = CNTR_ELEM("RxRcvQpMapTableCorErr", 0, 0,
4535 access_rx_rcv_qp_map_table_cor_err_cnt),
4536 [C_RX_RCV_QP_MAP_TABLE_UNC_ERR] = CNTR_ELEM("RxRcvQpMapTableUncErr", 0, 0,
4538 access_rx_rcv_qp_map_table_unc_err_cnt),
4539 [C_RX_RCV_DATA_COR_ERR] = CNTR_ELEM("RxRcvDataCorErr", 0, 0,
4541 access_rx_rcv_data_cor_err_cnt),
4542 [C_RX_RCV_DATA_UNC_ERR] = CNTR_ELEM("RxRcvDataUncErr", 0, 0,
4544 access_rx_rcv_data_unc_err_cnt),
4545 [C_RX_RCV_HDR_COR_ERR] = CNTR_ELEM("RxRcvHdrCorErr", 0, 0,
4547 access_rx_rcv_hdr_cor_err_cnt),
4548 [C_RX_RCV_HDR_UNC_ERR] = CNTR_ELEM("RxRcvHdrUncErr", 0, 0,
4550 access_rx_rcv_hdr_unc_err_cnt),
4551 [C_RX_DC_INTF_PARITY_ERR] = CNTR_ELEM("RxDcIntfParityErr", 0, 0,
4553 access_rx_dc_intf_parity_err_cnt),
4554 [C_RX_DMA_CSR_COR_ERR] = CNTR_ELEM("RxDmaCsrCorErr", 0, 0,
4556 access_rx_dma_csr_cor_err_cnt),
4557 /* SendPioErrStatus */
4558 [C_PIO_PEC_SOP_HEAD_PARITY_ERR] = CNTR_ELEM("PioPecSopHeadParityErr", 0, 0,
4560 access_pio_pec_sop_head_parity_err_cnt),
4561 [C_PIO_PCC_SOP_HEAD_PARITY_ERR] = CNTR_ELEM("PioPccSopHeadParityErr", 0, 0,
4563 access_pio_pcc_sop_head_parity_err_cnt),
4564 [C_PIO_LAST_RETURNED_CNT_PARITY_ERR] = CNTR_ELEM("PioLastReturnedCntParityErr",
4566 access_pio_last_returned_cnt_parity_err_cnt),
4567 [C_PIO_CURRENT_FREE_CNT_PARITY_ERR] = CNTR_ELEM("PioCurrentFreeCntParityErr", 0,
4569 access_pio_current_free_cnt_parity_err_cnt),
4570 [C_PIO_RSVD_31_ERR] = CNTR_ELEM("Pio Reserved 31", 0, 0,
4572 access_pio_reserved_31_err_cnt),
4573 [C_PIO_RSVD_30_ERR] = CNTR_ELEM("Pio Reserved 30", 0, 0,
4575 access_pio_reserved_30_err_cnt),
4576 [C_PIO_PPMC_SOP_LEN_ERR] = CNTR_ELEM("PioPpmcSopLenErr", 0, 0,
4578 access_pio_ppmc_sop_len_err_cnt),
4579 [C_PIO_PPMC_BQC_MEM_PARITY_ERR] = CNTR_ELEM("PioPpmcBqcMemParityErr", 0, 0,
4581 access_pio_ppmc_bqc_mem_parity_err_cnt),
4582 [C_PIO_VL_FIFO_PARITY_ERR] = CNTR_ELEM("PioVlFifoParityErr", 0, 0,
4584 access_pio_vl_fifo_parity_err_cnt),
4585 [C_PIO_VLF_SOP_PARITY_ERR] = CNTR_ELEM("PioVlfSopParityErr", 0, 0,
4587 access_pio_vlf_sop_parity_err_cnt),
4588 [C_PIO_VLF_V1_LEN_PARITY_ERR] = CNTR_ELEM("PioVlfVlLenParityErr", 0, 0,
4590 access_pio_vlf_v1_len_parity_err_cnt),
4591 [C_PIO_BLOCK_QW_COUNT_PARITY_ERR] = CNTR_ELEM("PioBlockQwCountParityErr", 0, 0,
4593 access_pio_block_qw_count_parity_err_cnt),
4594 [C_PIO_WRITE_QW_VALID_PARITY_ERR] = CNTR_ELEM("PioWriteQwValidParityErr", 0, 0,
4596 access_pio_write_qw_valid_parity_err_cnt),
4597 [C_PIO_STATE_MACHINE_ERR] = CNTR_ELEM("PioStateMachineErr", 0, 0,
4599 access_pio_state_machine_err_cnt),
4600 [C_PIO_WRITE_DATA_PARITY_ERR] = CNTR_ELEM("PioWriteDataParityErr", 0, 0,
4602 access_pio_write_data_parity_err_cnt),
4603 [C_PIO_HOST_ADDR_MEM_COR_ERR] = CNTR_ELEM("PioHostAddrMemCorErr", 0, 0,
4605 access_pio_host_addr_mem_cor_err_cnt),
4606 [C_PIO_HOST_ADDR_MEM_UNC_ERR] = CNTR_ELEM("PioHostAddrMemUncErr", 0, 0,
4608 access_pio_host_addr_mem_unc_err_cnt),
4609 [C_PIO_PKT_EVICT_SM_OR_ARM_SM_ERR] = CNTR_ELEM("PioPktEvictSmOrArbSmErr", 0, 0,
4611 access_pio_pkt_evict_sm_or_arb_sm_err_cnt),
4612 [C_PIO_INIT_SM_IN_ERR] = CNTR_ELEM("PioInitSmInErr", 0, 0,
4614 access_pio_init_sm_in_err_cnt),
4615 [C_PIO_PPMC_PBL_FIFO_ERR] = CNTR_ELEM("PioPpmcPblFifoErr", 0, 0,
4617 access_pio_ppmc_pbl_fifo_err_cnt),
4618 [C_PIO_CREDIT_RET_FIFO_PARITY_ERR] = CNTR_ELEM("PioCreditRetFifoParityErr", 0,
4620 access_pio_credit_ret_fifo_parity_err_cnt),
4621 [C_PIO_V1_LEN_MEM_BANK1_COR_ERR] = CNTR_ELEM("PioVlLenMemBank1CorErr", 0, 0,
4623 access_pio_v1_len_mem_bank1_cor_err_cnt),
4624 [C_PIO_V1_LEN_MEM_BANK0_COR_ERR] = CNTR_ELEM("PioVlLenMemBank0CorErr", 0, 0,
4626 access_pio_v1_len_mem_bank0_cor_err_cnt),
4627 [C_PIO_V1_LEN_MEM_BANK1_UNC_ERR] = CNTR_ELEM("PioVlLenMemBank1UncErr", 0, 0,
4629 access_pio_v1_len_mem_bank1_unc_err_cnt),
4630 [C_PIO_V1_LEN_MEM_BANK0_UNC_ERR] = CNTR_ELEM("PioVlLenMemBank0UncErr", 0, 0,
4632 access_pio_v1_len_mem_bank0_unc_err_cnt),
4633 [C_PIO_SM_PKT_RESET_PARITY_ERR] = CNTR_ELEM("PioSmPktResetParityErr", 0, 0,
4635 access_pio_sm_pkt_reset_parity_err_cnt),
4636 [C_PIO_PKT_EVICT_FIFO_PARITY_ERR] = CNTR_ELEM("PioPktEvictFifoParityErr", 0, 0,
4638 access_pio_pkt_evict_fifo_parity_err_cnt),
4639 [C_PIO_SBRDCTRL_CRREL_FIFO_PARITY_ERR] = CNTR_ELEM(
4640 "PioSbrdctrlCrrelFifoParityErr", 0, 0,
4642 access_pio_sbrdctrl_crrel_fifo_parity_err_cnt),
4643 [C_PIO_SBRDCTL_CRREL_PARITY_ERR] = CNTR_ELEM("PioSbrdctlCrrelParityErr", 0, 0,
4645 access_pio_sbrdctl_crrel_parity_err_cnt),
4646 [C_PIO_PEC_FIFO_PARITY_ERR] = CNTR_ELEM("PioPecFifoParityErr", 0, 0,
4648 access_pio_pec_fifo_parity_err_cnt),
4649 [C_PIO_PCC_FIFO_PARITY_ERR] = CNTR_ELEM("PioPccFifoParityErr", 0, 0,
4651 access_pio_pcc_fifo_parity_err_cnt),
4652 [C_PIO_SB_MEM_FIFO1_ERR] = CNTR_ELEM("PioSbMemFifo1Err", 0, 0,
4654 access_pio_sb_mem_fifo1_err_cnt),
4655 [C_PIO_SB_MEM_FIFO0_ERR] = CNTR_ELEM("PioSbMemFifo0Err", 0, 0,
4657 access_pio_sb_mem_fifo0_err_cnt),
4658 [C_PIO_CSR_PARITY_ERR] = CNTR_ELEM("PioCsrParityErr", 0, 0,
4660 access_pio_csr_parity_err_cnt),
4661 [C_PIO_WRITE_ADDR_PARITY_ERR] = CNTR_ELEM("PioWriteAddrParityErr", 0, 0,
4663 access_pio_write_addr_parity_err_cnt),
4664 [C_PIO_WRITE_BAD_CTXT_ERR] = CNTR_ELEM("PioWriteBadCtxtErr", 0, 0,
4666 access_pio_write_bad_ctxt_err_cnt),
4667 /* SendDmaErrStatus */
4668 [C_SDMA_PCIE_REQ_TRACKING_COR_ERR] = CNTR_ELEM("SDmaPcieReqTrackingCorErr", 0,
4670 access_sdma_pcie_req_tracking_cor_err_cnt),
4671 [C_SDMA_PCIE_REQ_TRACKING_UNC_ERR] = CNTR_ELEM("SDmaPcieReqTrackingUncErr", 0,
4673 access_sdma_pcie_req_tracking_unc_err_cnt),
4674 [C_SDMA_CSR_PARITY_ERR] = CNTR_ELEM("SDmaCsrParityErr", 0, 0,
4676 access_sdma_csr_parity_err_cnt),
4677 [C_SDMA_RPY_TAG_ERR] = CNTR_ELEM("SDmaRpyTagErr", 0, 0,
4679 access_sdma_rpy_tag_err_cnt),
4680 /* SendEgressErrStatus */
4681 [C_TX_READ_PIO_MEMORY_CSR_UNC_ERR] = CNTR_ELEM("TxReadPioMemoryCsrUncErr", 0, 0,
4683 access_tx_read_pio_memory_csr_unc_err_cnt),
4684 [C_TX_READ_SDMA_MEMORY_CSR_UNC_ERR] = CNTR_ELEM("TxReadSdmaMemoryCsrUncErr", 0,
4686 access_tx_read_sdma_memory_csr_err_cnt),
4687 [C_TX_EGRESS_FIFO_COR_ERR] = CNTR_ELEM("TxEgressFifoCorErr", 0, 0,
4689 access_tx_egress_fifo_cor_err_cnt),
4690 [C_TX_READ_PIO_MEMORY_COR_ERR] = CNTR_ELEM("TxReadPioMemoryCorErr", 0, 0,
4692 access_tx_read_pio_memory_cor_err_cnt),
4693 [C_TX_READ_SDMA_MEMORY_COR_ERR] = CNTR_ELEM("TxReadSdmaMemoryCorErr", 0, 0,
4695 access_tx_read_sdma_memory_cor_err_cnt),
4696 [C_TX_SB_HDR_COR_ERR] = CNTR_ELEM("TxSbHdrCorErr", 0, 0,
4698 access_tx_sb_hdr_cor_err_cnt),
4699 [C_TX_CREDIT_OVERRUN_ERR] = CNTR_ELEM("TxCreditOverrunErr", 0, 0,
4701 access_tx_credit_overrun_err_cnt),
4702 [C_TX_LAUNCH_FIFO8_COR_ERR] = CNTR_ELEM("TxLaunchFifo8CorErr", 0, 0,
4704 access_tx_launch_fifo8_cor_err_cnt),
4705 [C_TX_LAUNCH_FIFO7_COR_ERR] = CNTR_ELEM("TxLaunchFifo7CorErr", 0, 0,
4707 access_tx_launch_fifo7_cor_err_cnt),
4708 [C_TX_LAUNCH_FIFO6_COR_ERR] = CNTR_ELEM("TxLaunchFifo6CorErr", 0, 0,
4710 access_tx_launch_fifo6_cor_err_cnt),
4711 [C_TX_LAUNCH_FIFO5_COR_ERR] = CNTR_ELEM("TxLaunchFifo5CorErr", 0, 0,
4713 access_tx_launch_fifo5_cor_err_cnt),
4714 [C_TX_LAUNCH_FIFO4_COR_ERR] = CNTR_ELEM("TxLaunchFifo4CorErr", 0, 0,
4716 access_tx_launch_fifo4_cor_err_cnt),
4717 [C_TX_LAUNCH_FIFO3_COR_ERR] = CNTR_ELEM("TxLaunchFifo3CorErr", 0, 0,
4719 access_tx_launch_fifo3_cor_err_cnt),
4720 [C_TX_LAUNCH_FIFO2_COR_ERR] = CNTR_ELEM("TxLaunchFifo2CorErr", 0, 0,
4722 access_tx_launch_fifo2_cor_err_cnt),
4723 [C_TX_LAUNCH_FIFO1_COR_ERR] = CNTR_ELEM("TxLaunchFifo1CorErr", 0, 0,
4725 access_tx_launch_fifo1_cor_err_cnt),
4726 [C_TX_LAUNCH_FIFO0_COR_ERR] = CNTR_ELEM("TxLaunchFifo0CorErr", 0, 0,
4728 access_tx_launch_fifo0_cor_err_cnt),
4729 [C_TX_CREDIT_RETURN_VL_ERR] = CNTR_ELEM("TxCreditReturnVLErr", 0, 0,
4731 access_tx_credit_return_vl_err_cnt),
4732 [C_TX_HCRC_INSERTION_ERR] = CNTR_ELEM("TxHcrcInsertionErr", 0, 0,
4734 access_tx_hcrc_insertion_err_cnt),
4735 [C_TX_EGRESS_FIFI_UNC_ERR] = CNTR_ELEM("TxEgressFifoUncErr", 0, 0,
4737 access_tx_egress_fifo_unc_err_cnt),
4738 [C_TX_READ_PIO_MEMORY_UNC_ERR] = CNTR_ELEM("TxReadPioMemoryUncErr", 0, 0,
4740 access_tx_read_pio_memory_unc_err_cnt),
4741 [C_TX_READ_SDMA_MEMORY_UNC_ERR] = CNTR_ELEM("TxReadSdmaMemoryUncErr", 0, 0,
4743 access_tx_read_sdma_memory_unc_err_cnt),
4744 [C_TX_SB_HDR_UNC_ERR] = CNTR_ELEM("TxSbHdrUncErr", 0, 0,
4746 access_tx_sb_hdr_unc_err_cnt),
4747 [C_TX_CREDIT_RETURN_PARITY_ERR] = CNTR_ELEM("TxCreditReturnParityErr", 0, 0,
4749 access_tx_credit_return_partiy_err_cnt),
4750 [C_TX_LAUNCH_FIFO8_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo8UncOrParityErr",
4752 access_tx_launch_fifo8_unc_or_parity_err_cnt),
4753 [C_TX_LAUNCH_FIFO7_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo7UncOrParityErr",
4755 access_tx_launch_fifo7_unc_or_parity_err_cnt),
4756 [C_TX_LAUNCH_FIFO6_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo6UncOrParityErr",
4758 access_tx_launch_fifo6_unc_or_parity_err_cnt),
4759 [C_TX_LAUNCH_FIFO5_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo5UncOrParityErr",
4761 access_tx_launch_fifo5_unc_or_parity_err_cnt),
4762 [C_TX_LAUNCH_FIFO4_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo4UncOrParityErr",
4764 access_tx_launch_fifo4_unc_or_parity_err_cnt),
4765 [C_TX_LAUNCH_FIFO3_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo3UncOrParityErr",
4767 access_tx_launch_fifo3_unc_or_parity_err_cnt),
4768 [C_TX_LAUNCH_FIFO2_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo2UncOrParityErr",
4770 access_tx_launch_fifo2_unc_or_parity_err_cnt),
4771 [C_TX_LAUNCH_FIFO1_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo1UncOrParityErr",
4773 access_tx_launch_fifo1_unc_or_parity_err_cnt),
4774 [C_TX_LAUNCH_FIFO0_UNC_OR_PARITY_ERR] = CNTR_ELEM("TxLaunchFifo0UncOrParityErr",
4776 access_tx_launch_fifo0_unc_or_parity_err_cnt),
4777 [C_TX_SDMA15_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma15DisallowedPacketErr",
4779 access_tx_sdma15_disallowed_packet_err_cnt),
4780 [C_TX_SDMA14_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma14DisallowedPacketErr",
4782 access_tx_sdma14_disallowed_packet_err_cnt),
4783 [C_TX_SDMA13_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma13DisallowedPacketErr",
4785 access_tx_sdma13_disallowed_packet_err_cnt),
4786 [C_TX_SDMA12_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma12DisallowedPacketErr",
4788 access_tx_sdma12_disallowed_packet_err_cnt),
4789 [C_TX_SDMA11_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma11DisallowedPacketErr",
4791 access_tx_sdma11_disallowed_packet_err_cnt),
4792 [C_TX_SDMA10_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma10DisallowedPacketErr",
4794 access_tx_sdma10_disallowed_packet_err_cnt),
4795 [C_TX_SDMA9_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma9DisallowedPacketErr",
4797 access_tx_sdma9_disallowed_packet_err_cnt),
4798 [C_TX_SDMA8_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma8DisallowedPacketErr",
4800 access_tx_sdma8_disallowed_packet_err_cnt),
4801 [C_TX_SDMA7_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma7DisallowedPacketErr",
4803 access_tx_sdma7_disallowed_packet_err_cnt),
4804 [C_TX_SDMA6_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma6DisallowedPacketErr",
4806 access_tx_sdma6_disallowed_packet_err_cnt),
4807 [C_TX_SDMA5_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma5DisallowedPacketErr",
4809 access_tx_sdma5_disallowed_packet_err_cnt),
4810 [C_TX_SDMA4_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma4DisallowedPacketErr",
4812 access_tx_sdma4_disallowed_packet_err_cnt),
4813 [C_TX_SDMA3_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma3DisallowedPacketErr",
4815 access_tx_sdma3_disallowed_packet_err_cnt),
4816 [C_TX_SDMA2_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma2DisallowedPacketErr",
4818 access_tx_sdma2_disallowed_packet_err_cnt),
4819 [C_TX_SDMA1_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma1DisallowedPacketErr",
4821 access_tx_sdma1_disallowed_packet_err_cnt),
4822 [C_TX_SDMA0_DISALLOWED_PACKET_ERR] = CNTR_ELEM("TxSdma0DisallowedPacketErr",
4824 access_tx_sdma0_disallowed_packet_err_cnt),
4825 [C_TX_CONFIG_PARITY_ERR] = CNTR_ELEM("TxConfigParityErr", 0, 0,
4827 access_tx_config_parity_err_cnt),
4828 [C_TX_SBRD_CTL_CSR_PARITY_ERR] = CNTR_ELEM("TxSbrdCtlCsrParityErr", 0, 0,
4830 access_tx_sbrd_ctl_csr_parity_err_cnt),
4831 [C_TX_LAUNCH_CSR_PARITY_ERR] = CNTR_ELEM("TxLaunchCsrParityErr", 0, 0,
4833 access_tx_launch_csr_parity_err_cnt),
4834 [C_TX_ILLEGAL_CL_ERR] = CNTR_ELEM("TxIllegalVLErr", 0, 0,
4836 access_tx_illegal_vl_err_cnt),
4837 [C_TX_SBRD_CTL_STATE_MACHINE_PARITY_ERR] = CNTR_ELEM(
4838 "TxSbrdCtlStateMachineParityErr", 0, 0,
4840 access_tx_sbrd_ctl_state_machine_parity_err_cnt),
4841 [C_TX_RESERVED_10] = CNTR_ELEM("Tx Egress Reserved 10", 0, 0,
4843 access_egress_reserved_10_err_cnt),
4844 [C_TX_RESERVED_9] = CNTR_ELEM("Tx Egress Reserved 9", 0, 0,
4846 access_egress_reserved_9_err_cnt),
4847 [C_TX_SDMA_LAUNCH_INTF_PARITY_ERR] = CNTR_ELEM("TxSdmaLaunchIntfParityErr",
4849 access_tx_sdma_launch_intf_parity_err_cnt),
4850 [C_TX_PIO_LAUNCH_INTF_PARITY_ERR] = CNTR_ELEM("TxPioLaunchIntfParityErr", 0, 0,
4852 access_tx_pio_launch_intf_parity_err_cnt),
4853 [C_TX_RESERVED_6] = CNTR_ELEM("Tx Egress Reserved 6", 0, 0,
4855 access_egress_reserved_6_err_cnt),
4856 [C_TX_INCORRECT_LINK_STATE_ERR] = CNTR_ELEM("TxIncorrectLinkStateErr", 0, 0,
4858 access_tx_incorrect_link_state_err_cnt),
4859 [C_TX_LINK_DOWN_ERR] = CNTR_ELEM("TxLinkdownErr", 0, 0,
4861 access_tx_linkdown_err_cnt),
4862 [C_TX_EGRESS_FIFO_UNDERRUN_OR_PARITY_ERR] = CNTR_ELEM(
4863 "EgressFifoUnderrunOrParityErr", 0, 0,
4865 access_tx_egress_fifi_underrun_or_parity_err_cnt),
4866 [C_TX_RESERVED_2] = CNTR_ELEM("Tx Egress Reserved 2", 0, 0,
4868 access_egress_reserved_2_err_cnt),
4869 [C_TX_PKT_INTEGRITY_MEM_UNC_ERR] = CNTR_ELEM("TxPktIntegrityMemUncErr", 0, 0,
4871 access_tx_pkt_integrity_mem_unc_err_cnt),
4872 [C_TX_PKT_INTEGRITY_MEM_COR_ERR] = CNTR_ELEM("TxPktIntegrityMemCorErr", 0, 0,
4874 access_tx_pkt_integrity_mem_cor_err_cnt),
4876 [C_SEND_CSR_WRITE_BAD_ADDR_ERR] = CNTR_ELEM("SendCsrWriteBadAddrErr", 0, 0,
4878 access_send_csr_write_bad_addr_err_cnt),
4879 [C_SEND_CSR_READ_BAD_ADD_ERR] = CNTR_ELEM("SendCsrReadBadAddrErr", 0, 0,
4881 access_send_csr_read_bad_addr_err_cnt),
4882 [C_SEND_CSR_PARITY_ERR] = CNTR_ELEM("SendCsrParityErr", 0, 0,
4884 access_send_csr_parity_cnt),
4885 /* SendCtxtErrStatus */
4886 [C_PIO_WRITE_OUT_OF_BOUNDS_ERR] = CNTR_ELEM("PioWriteOutOfBoundsErr", 0, 0,
4888 access_pio_write_out_of_bounds_err_cnt),
4889 [C_PIO_WRITE_OVERFLOW_ERR] = CNTR_ELEM("PioWriteOverflowErr", 0, 0,
4891 access_pio_write_overflow_err_cnt),
4892 [C_PIO_WRITE_CROSSES_BOUNDARY_ERR] = CNTR_ELEM("PioWriteCrossesBoundaryErr",
4894 access_pio_write_crosses_boundary_err_cnt),
4895 [C_PIO_DISALLOWED_PACKET_ERR] = CNTR_ELEM("PioDisallowedPacketErr", 0, 0,
4897 access_pio_disallowed_packet_err_cnt),
4898 [C_PIO_INCONSISTENT_SOP_ERR] = CNTR_ELEM("PioInconsistentSopErr", 0, 0,
4900 access_pio_inconsistent_sop_err_cnt),
4901 /* SendDmaEngErrStatus */
4902 [C_SDMA_HEADER_REQUEST_FIFO_COR_ERR] = CNTR_ELEM("SDmaHeaderRequestFifoCorErr",
4904 access_sdma_header_request_fifo_cor_err_cnt),
4905 [C_SDMA_HEADER_STORAGE_COR_ERR] = CNTR_ELEM("SDmaHeaderStorageCorErr", 0, 0,
4907 access_sdma_header_storage_cor_err_cnt),
4908 [C_SDMA_PACKET_TRACKING_COR_ERR] = CNTR_ELEM("SDmaPacketTrackingCorErr", 0, 0,
4910 access_sdma_packet_tracking_cor_err_cnt),
4911 [C_SDMA_ASSEMBLY_COR_ERR] = CNTR_ELEM("SDmaAssemblyCorErr", 0, 0,
4913 access_sdma_assembly_cor_err_cnt),
4914 [C_SDMA_DESC_TABLE_COR_ERR] = CNTR_ELEM("SDmaDescTableCorErr", 0, 0,
4916 access_sdma_desc_table_cor_err_cnt),
4917 [C_SDMA_HEADER_REQUEST_FIFO_UNC_ERR] = CNTR_ELEM("SDmaHeaderRequestFifoUncErr",
4919 access_sdma_header_request_fifo_unc_err_cnt),
4920 [C_SDMA_HEADER_STORAGE_UNC_ERR] = CNTR_ELEM("SDmaHeaderStorageUncErr", 0, 0,
4922 access_sdma_header_storage_unc_err_cnt),
4923 [C_SDMA_PACKET_TRACKING_UNC_ERR] = CNTR_ELEM("SDmaPacketTrackingUncErr", 0, 0,
4925 access_sdma_packet_tracking_unc_err_cnt),
4926 [C_SDMA_ASSEMBLY_UNC_ERR] = CNTR_ELEM("SDmaAssemblyUncErr", 0, 0,
4928 access_sdma_assembly_unc_err_cnt),
4929 [C_SDMA_DESC_TABLE_UNC_ERR] = CNTR_ELEM("SDmaDescTableUncErr", 0, 0,
4931 access_sdma_desc_table_unc_err_cnt),
4932 [C_SDMA_TIMEOUT_ERR] = CNTR_ELEM("SDmaTimeoutErr", 0, 0,
4934 access_sdma_timeout_err_cnt),
4935 [C_SDMA_HEADER_LENGTH_ERR] = CNTR_ELEM("SDmaHeaderLengthErr", 0, 0,
4937 access_sdma_header_length_err_cnt),
4938 [C_SDMA_HEADER_ADDRESS_ERR] = CNTR_ELEM("SDmaHeaderAddressErr", 0, 0,
4940 access_sdma_header_address_err_cnt),
4941 [C_SDMA_HEADER_SELECT_ERR] = CNTR_ELEM("SDmaHeaderSelectErr", 0, 0,
4943 access_sdma_header_select_err_cnt),
4944 [C_SMDA_RESERVED_9] = CNTR_ELEM("SDma Reserved 9", 0, 0,
4946 access_sdma_reserved_9_err_cnt),
4947 [C_SDMA_PACKET_DESC_OVERFLOW_ERR] = CNTR_ELEM("SDmaPacketDescOverflowErr", 0, 0,
4949 access_sdma_packet_desc_overflow_err_cnt),
4950 [C_SDMA_LENGTH_MISMATCH_ERR] = CNTR_ELEM("SDmaLengthMismatchErr", 0, 0,
4952 access_sdma_length_mismatch_err_cnt),
4953 [C_SDMA_HALT_ERR] = CNTR_ELEM("SDmaHaltErr", 0, 0,
4955 access_sdma_halt_err_cnt),
4956 [C_SDMA_MEM_READ_ERR] = CNTR_ELEM("SDmaMemReadErr", 0, 0,
4958 access_sdma_mem_read_err_cnt),
4959 [C_SDMA_FIRST_DESC_ERR] = CNTR_ELEM("SDmaFirstDescErr", 0, 0,
4961 access_sdma_first_desc_err_cnt),
4962 [C_SDMA_TAIL_OUT_OF_BOUNDS_ERR] = CNTR_ELEM("SDmaTailOutOfBoundsErr", 0, 0,
4964 access_sdma_tail_out_of_bounds_err_cnt),
4965 [C_SDMA_TOO_LONG_ERR] = CNTR_ELEM("SDmaTooLongErr", 0, 0,
4967 access_sdma_too_long_err_cnt),
4968 [C_SDMA_GEN_MISMATCH_ERR] = CNTR_ELEM("SDmaGenMismatchErr", 0, 0,
4970 access_sdma_gen_mismatch_err_cnt),
4971 [C_SDMA_WRONG_DW_ERR] = CNTR_ELEM("SDmaWrongDwErr", 0, 0,
4973 access_sdma_wrong_dw_err_cnt),
4976 static struct cntr_entry port_cntrs[PORT_CNTR_LAST] = {
4977 [C_TX_UNSUP_VL] = TXE32_PORT_CNTR_ELEM(TxUnVLErr, SEND_UNSUP_VL_ERR_CNT,
4979 [C_TX_INVAL_LEN] = TXE32_PORT_CNTR_ELEM(TxInvalLen, SEND_LEN_ERR_CNT,
4981 [C_TX_MM_LEN_ERR] = TXE32_PORT_CNTR_ELEM(TxMMLenErr, SEND_MAX_MIN_LEN_ERR_CNT,
4983 [C_TX_UNDERRUN] = TXE32_PORT_CNTR_ELEM(TxUnderrun, SEND_UNDERRUN_CNT,
4985 [C_TX_FLOW_STALL] = TXE32_PORT_CNTR_ELEM(TxFlowStall, SEND_FLOW_STALL_CNT,
4987 [C_TX_DROPPED] = TXE32_PORT_CNTR_ELEM(TxDropped, SEND_DROPPED_PKT_CNT,
4989 [C_TX_HDR_ERR] = TXE32_PORT_CNTR_ELEM(TxHdrErr, SEND_HEADERS_ERR_CNT,
4991 [C_TX_PKT] = TXE64_PORT_CNTR_ELEM(TxPkt, SEND_DATA_PKT_CNT, CNTR_NORMAL),
4992 [C_TX_WORDS] = TXE64_PORT_CNTR_ELEM(TxWords, SEND_DWORD_CNT, CNTR_NORMAL),
4993 [C_TX_WAIT] = TXE64_PORT_CNTR_ELEM(TxWait, SEND_WAIT_CNT, CNTR_SYNTH),
4994 [C_TX_FLIT_VL] = TXE64_PORT_CNTR_ELEM(TxFlitVL, SEND_DATA_VL0_CNT,
4995 CNTR_SYNTH | CNTR_VL),
4996 [C_TX_PKT_VL] = TXE64_PORT_CNTR_ELEM(TxPktVL, SEND_DATA_PKT_VL0_CNT,
4997 CNTR_SYNTH | CNTR_VL),
4998 [C_TX_WAIT_VL] = TXE64_PORT_CNTR_ELEM(TxWaitVL, SEND_WAIT_VL0_CNT,
4999 CNTR_SYNTH | CNTR_VL),
5000 [C_RX_PKT] = RXE64_PORT_CNTR_ELEM(RxPkt, RCV_DATA_PKT_CNT, CNTR_NORMAL),
5001 [C_RX_WORDS] = RXE64_PORT_CNTR_ELEM(RxWords, RCV_DWORD_CNT, CNTR_NORMAL),
5002 [C_SW_LINK_DOWN] = CNTR_ELEM("SwLinkDown", 0, 0, CNTR_SYNTH | CNTR_32BIT,
5003 access_sw_link_dn_cnt),
5004 [C_SW_LINK_UP] = CNTR_ELEM("SwLinkUp", 0, 0, CNTR_SYNTH | CNTR_32BIT,
5005 access_sw_link_up_cnt),
5006 [C_SW_UNKNOWN_FRAME] = CNTR_ELEM("UnknownFrame", 0, 0, CNTR_NORMAL,
5007 access_sw_unknown_frame_cnt),
5008 [C_SW_XMIT_DSCD] = CNTR_ELEM("XmitDscd", 0, 0, CNTR_SYNTH | CNTR_32BIT,
5009 access_sw_xmit_discards),
5010 [C_SW_XMIT_DSCD_VL] = CNTR_ELEM("XmitDscdVl", 0, 0,
5011 CNTR_SYNTH | CNTR_32BIT | CNTR_VL,
5012 access_sw_xmit_discards),
5013 [C_SW_XMIT_CSTR_ERR] = CNTR_ELEM("XmitCstrErr", 0, 0, CNTR_SYNTH,
5014 access_xmit_constraint_errs),
5015 [C_SW_RCV_CSTR_ERR] = CNTR_ELEM("RcvCstrErr", 0, 0, CNTR_SYNTH,
5016 access_rcv_constraint_errs),
5017 [C_SW_IBP_LOOP_PKTS] = SW_IBP_CNTR(LoopPkts, loop_pkts),
5018 [C_SW_IBP_RC_RESENDS] = SW_IBP_CNTR(RcResend, rc_resends),
5019 [C_SW_IBP_RNR_NAKS] = SW_IBP_CNTR(RnrNak, rnr_naks),
5020 [C_SW_IBP_OTHER_NAKS] = SW_IBP_CNTR(OtherNak, other_naks),
5021 [C_SW_IBP_RC_TIMEOUTS] = SW_IBP_CNTR(RcTimeOut, rc_timeouts),
5022 [C_SW_IBP_PKT_DROPS] = SW_IBP_CNTR(PktDrop, pkt_drops),
5023 [C_SW_IBP_DMA_WAIT] = SW_IBP_CNTR(DmaWait, dmawait),
5024 [C_SW_IBP_RC_SEQNAK] = SW_IBP_CNTR(RcSeqNak, rc_seqnak),
5025 [C_SW_IBP_RC_DUPREQ] = SW_IBP_CNTR(RcDupRew, rc_dupreq),
5026 [C_SW_IBP_RDMA_SEQ] = SW_IBP_CNTR(RdmaSeq, rdma_seq),
5027 [C_SW_IBP_UNALIGNED] = SW_IBP_CNTR(Unaligned, unaligned),
5028 [C_SW_IBP_SEQ_NAK] = SW_IBP_CNTR(SeqNak, seq_naks),
5029 [C_SW_CPU_RC_ACKS] = CNTR_ELEM("RcAcks", 0, 0, CNTR_NORMAL,
5030 access_sw_cpu_rc_acks),
5031 [C_SW_CPU_RC_QACKS] = CNTR_ELEM("RcQacks", 0, 0, CNTR_NORMAL,
5032 access_sw_cpu_rc_qacks),
5033 [C_SW_CPU_RC_DELAYED_COMP] = CNTR_ELEM("RcDelayComp", 0, 0, CNTR_NORMAL,
5034 access_sw_cpu_rc_delayed_comp),
5035 [OVR_LBL(0)] = OVR_ELM(0), [OVR_LBL(1)] = OVR_ELM(1),
5036 [OVR_LBL(2)] = OVR_ELM(2), [OVR_LBL(3)] = OVR_ELM(3),
5037 [OVR_LBL(4)] = OVR_ELM(4), [OVR_LBL(5)] = OVR_ELM(5),
5038 [OVR_LBL(6)] = OVR_ELM(6), [OVR_LBL(7)] = OVR_ELM(7),
5039 [OVR_LBL(8)] = OVR_ELM(8), [OVR_LBL(9)] = OVR_ELM(9),
5040 [OVR_LBL(10)] = OVR_ELM(10), [OVR_LBL(11)] = OVR_ELM(11),
5041 [OVR_LBL(12)] = OVR_ELM(12), [OVR_LBL(13)] = OVR_ELM(13),
5042 [OVR_LBL(14)] = OVR_ELM(14), [OVR_LBL(15)] = OVR_ELM(15),
5043 [OVR_LBL(16)] = OVR_ELM(16), [OVR_LBL(17)] = OVR_ELM(17),
5044 [OVR_LBL(18)] = OVR_ELM(18), [OVR_LBL(19)] = OVR_ELM(19),
5045 [OVR_LBL(20)] = OVR_ELM(20), [OVR_LBL(21)] = OVR_ELM(21),
5046 [OVR_LBL(22)] = OVR_ELM(22), [OVR_LBL(23)] = OVR_ELM(23),
5047 [OVR_LBL(24)] = OVR_ELM(24), [OVR_LBL(25)] = OVR_ELM(25),
5048 [OVR_LBL(26)] = OVR_ELM(26), [OVR_LBL(27)] = OVR_ELM(27),
5049 [OVR_LBL(28)] = OVR_ELM(28), [OVR_LBL(29)] = OVR_ELM(29),
5050 [OVR_LBL(30)] = OVR_ELM(30), [OVR_LBL(31)] = OVR_ELM(31),
5051 [OVR_LBL(32)] = OVR_ELM(32), [OVR_LBL(33)] = OVR_ELM(33),
5052 [OVR_LBL(34)] = OVR_ELM(34), [OVR_LBL(35)] = OVR_ELM(35),
5053 [OVR_LBL(36)] = OVR_ELM(36), [OVR_LBL(37)] = OVR_ELM(37),
5054 [OVR_LBL(38)] = OVR_ELM(38), [OVR_LBL(39)] = OVR_ELM(39),
5055 [OVR_LBL(40)] = OVR_ELM(40), [OVR_LBL(41)] = OVR_ELM(41),
5056 [OVR_LBL(42)] = OVR_ELM(42), [OVR_LBL(43)] = OVR_ELM(43),
5057 [OVR_LBL(44)] = OVR_ELM(44), [OVR_LBL(45)] = OVR_ELM(45),
5058 [OVR_LBL(46)] = OVR_ELM(46), [OVR_LBL(47)] = OVR_ELM(47),
5059 [OVR_LBL(48)] = OVR_ELM(48), [OVR_LBL(49)] = OVR_ELM(49),
5060 [OVR_LBL(50)] = OVR_ELM(50), [OVR_LBL(51)] = OVR_ELM(51),
5061 [OVR_LBL(52)] = OVR_ELM(52), [OVR_LBL(53)] = OVR_ELM(53),
5062 [OVR_LBL(54)] = OVR_ELM(54), [OVR_LBL(55)] = OVR_ELM(55),
5063 [OVR_LBL(56)] = OVR_ELM(56), [OVR_LBL(57)] = OVR_ELM(57),
5064 [OVR_LBL(58)] = OVR_ELM(58), [OVR_LBL(59)] = OVR_ELM(59),
5065 [OVR_LBL(60)] = OVR_ELM(60), [OVR_LBL(61)] = OVR_ELM(61),
5066 [OVR_LBL(62)] = OVR_ELM(62), [OVR_LBL(63)] = OVR_ELM(63),
5067 [OVR_LBL(64)] = OVR_ELM(64), [OVR_LBL(65)] = OVR_ELM(65),
5068 [OVR_LBL(66)] = OVR_ELM(66), [OVR_LBL(67)] = OVR_ELM(67),
5069 [OVR_LBL(68)] = OVR_ELM(68), [OVR_LBL(69)] = OVR_ELM(69),
5070 [OVR_LBL(70)] = OVR_ELM(70), [OVR_LBL(71)] = OVR_ELM(71),
5071 [OVR_LBL(72)] = OVR_ELM(72), [OVR_LBL(73)] = OVR_ELM(73),
5072 [OVR_LBL(74)] = OVR_ELM(74), [OVR_LBL(75)] = OVR_ELM(75),
5073 [OVR_LBL(76)] = OVR_ELM(76), [OVR_LBL(77)] = OVR_ELM(77),
5074 [OVR_LBL(78)] = OVR_ELM(78), [OVR_LBL(79)] = OVR_ELM(79),
5075 [OVR_LBL(80)] = OVR_ELM(80), [OVR_LBL(81)] = OVR_ELM(81),
5076 [OVR_LBL(82)] = OVR_ELM(82), [OVR_LBL(83)] = OVR_ELM(83),
5077 [OVR_LBL(84)] = OVR_ELM(84), [OVR_LBL(85)] = OVR_ELM(85),
5078 [OVR_LBL(86)] = OVR_ELM(86), [OVR_LBL(87)] = OVR_ELM(87),
5079 [OVR_LBL(88)] = OVR_ELM(88), [OVR_LBL(89)] = OVR_ELM(89),
5080 [OVR_LBL(90)] = OVR_ELM(90), [OVR_LBL(91)] = OVR_ELM(91),
5081 [OVR_LBL(92)] = OVR_ELM(92), [OVR_LBL(93)] = OVR_ELM(93),
5082 [OVR_LBL(94)] = OVR_ELM(94), [OVR_LBL(95)] = OVR_ELM(95),
5083 [OVR_LBL(96)] = OVR_ELM(96), [OVR_LBL(97)] = OVR_ELM(97),
5084 [OVR_LBL(98)] = OVR_ELM(98), [OVR_LBL(99)] = OVR_ELM(99),
5085 [OVR_LBL(100)] = OVR_ELM(100), [OVR_LBL(101)] = OVR_ELM(101),
5086 [OVR_LBL(102)] = OVR_ELM(102), [OVR_LBL(103)] = OVR_ELM(103),
5087 [OVR_LBL(104)] = OVR_ELM(104), [OVR_LBL(105)] = OVR_ELM(105),
5088 [OVR_LBL(106)] = OVR_ELM(106), [OVR_LBL(107)] = OVR_ELM(107),
5089 [OVR_LBL(108)] = OVR_ELM(108), [OVR_LBL(109)] = OVR_ELM(109),
5090 [OVR_LBL(110)] = OVR_ELM(110), [OVR_LBL(111)] = OVR_ELM(111),
5091 [OVR_LBL(112)] = OVR_ELM(112), [OVR_LBL(113)] = OVR_ELM(113),
5092 [OVR_LBL(114)] = OVR_ELM(114), [OVR_LBL(115)] = OVR_ELM(115),
5093 [OVR_LBL(116)] = OVR_ELM(116), [OVR_LBL(117)] = OVR_ELM(117),
5094 [OVR_LBL(118)] = OVR_ELM(118), [OVR_LBL(119)] = OVR_ELM(119),
5095 [OVR_LBL(120)] = OVR_ELM(120), [OVR_LBL(121)] = OVR_ELM(121),
5096 [OVR_LBL(122)] = OVR_ELM(122), [OVR_LBL(123)] = OVR_ELM(123),
5097 [OVR_LBL(124)] = OVR_ELM(124), [OVR_LBL(125)] = OVR_ELM(125),
5098 [OVR_LBL(126)] = OVR_ELM(126), [OVR_LBL(127)] = OVR_ELM(127),
5099 [OVR_LBL(128)] = OVR_ELM(128), [OVR_LBL(129)] = OVR_ELM(129),
5100 [OVR_LBL(130)] = OVR_ELM(130), [OVR_LBL(131)] = OVR_ELM(131),
5101 [OVR_LBL(132)] = OVR_ELM(132), [OVR_LBL(133)] = OVR_ELM(133),
5102 [OVR_LBL(134)] = OVR_ELM(134), [OVR_LBL(135)] = OVR_ELM(135),
5103 [OVR_LBL(136)] = OVR_ELM(136), [OVR_LBL(137)] = OVR_ELM(137),
5104 [OVR_LBL(138)] = OVR_ELM(138), [OVR_LBL(139)] = OVR_ELM(139),
5105 [OVR_LBL(140)] = OVR_ELM(140), [OVR_LBL(141)] = OVR_ELM(141),
5106 [OVR_LBL(142)] = OVR_ELM(142), [OVR_LBL(143)] = OVR_ELM(143),
5107 [OVR_LBL(144)] = OVR_ELM(144), [OVR_LBL(145)] = OVR_ELM(145),
5108 [OVR_LBL(146)] = OVR_ELM(146), [OVR_LBL(147)] = OVR_ELM(147),
5109 [OVR_LBL(148)] = OVR_ELM(148), [OVR_LBL(149)] = OVR_ELM(149),
5110 [OVR_LBL(150)] = OVR_ELM(150), [OVR_LBL(151)] = OVR_ELM(151),
5111 [OVR_LBL(152)] = OVR_ELM(152), [OVR_LBL(153)] = OVR_ELM(153),
5112 [OVR_LBL(154)] = OVR_ELM(154), [OVR_LBL(155)] = OVR_ELM(155),
5113 [OVR_LBL(156)] = OVR_ELM(156), [OVR_LBL(157)] = OVR_ELM(157),
5114 [OVR_LBL(158)] = OVR_ELM(158), [OVR_LBL(159)] = OVR_ELM(159),
5117 /* ======================================================================== */
5119 /* return true if this is chip revision revision a */
5120 int is_ax(struct hfi1_devdata *dd)
5123 dd->revision >> CCE_REVISION_CHIP_REV_MINOR_SHIFT
5124 & CCE_REVISION_CHIP_REV_MINOR_MASK;
5125 return (chip_rev_minor & 0xf0) == 0;
5128 /* return true if this is chip revision revision b */
5129 int is_bx(struct hfi1_devdata *dd)
5132 dd->revision >> CCE_REVISION_CHIP_REV_MINOR_SHIFT
5133 & CCE_REVISION_CHIP_REV_MINOR_MASK;
5134 return (chip_rev_minor & 0xF0) == 0x10;
5138 * Append string s to buffer buf. Arguments curp and len are the current
5139 * position and remaining length, respectively.
5141 * return 0 on success, 1 on out of room
5143 static int append_str(char *buf, char **curp, int *lenp, const char *s)
5147 int result = 0; /* success */
5150 /* add a comma, if first in the buffer */
5153 result = 1; /* out of room */
5160 /* copy the string */
5161 while ((c = *s++) != 0) {
5163 result = 1; /* out of room */
5171 /* write return values */
5179 * Using the given flag table, print a comma separated string into
5180 * the buffer. End in '*' if the buffer is too short.
5182 static char *flag_string(char *buf, int buf_len, u64 flags,
5183 struct flag_table *table, int table_size)
5191 /* make sure there is at least 2 so we can form "*" */
5195 len--; /* leave room for a nul */
5196 for (i = 0; i < table_size; i++) {
5197 if (flags & table[i].flag) {
5198 no_room = append_str(buf, &p, &len, table[i].str);
5201 flags &= ~table[i].flag;
5205 /* any undocumented bits left? */
5206 if (!no_room && flags) {
5207 snprintf(extra, sizeof(extra), "bits 0x%llx", flags);
5208 no_room = append_str(buf, &p, &len, extra);
5211 /* add * if ran out of room */
5213 /* may need to back up to add space for a '*' */
5219 /* add final nul - space already allocated above */
5224 /* first 8 CCE error interrupt source names */
5225 static const char * const cce_misc_names[] = {
5226 "CceErrInt", /* 0 */
5227 "RxeErrInt", /* 1 */
5228 "MiscErrInt", /* 2 */
5229 "Reserved3", /* 3 */
5230 "PioErrInt", /* 4 */
5231 "SDmaErrInt", /* 5 */
5232 "EgressErrInt", /* 6 */
5237 * Return the miscellaneous error interrupt name.
5239 static char *is_misc_err_name(char *buf, size_t bsize, unsigned int source)
5241 if (source < ARRAY_SIZE(cce_misc_names))
5242 strncpy(buf, cce_misc_names[source], bsize);
5244 snprintf(buf, bsize, "Reserved%u",
5245 source + IS_GENERAL_ERR_START);
5251 * Return the SDMA engine error interrupt name.
5253 static char *is_sdma_eng_err_name(char *buf, size_t bsize, unsigned int source)
5255 snprintf(buf, bsize, "SDmaEngErrInt%u", source);
5260 * Return the send context error interrupt name.
5262 static char *is_sendctxt_err_name(char *buf, size_t bsize, unsigned int source)
5264 snprintf(buf, bsize, "SendCtxtErrInt%u", source);
5268 static const char * const various_names[] = {
5277 * Return the various interrupt name.
5279 static char *is_various_name(char *buf, size_t bsize, unsigned int source)
5281 if (source < ARRAY_SIZE(various_names))
5282 strncpy(buf, various_names[source], bsize);
5284 snprintf(buf, bsize, "Reserved%u", source + IS_VARIOUS_START);
5289 * Return the DC interrupt name.
5291 static char *is_dc_name(char *buf, size_t bsize, unsigned int source)
5293 static const char * const dc_int_names[] = {
5297 "lbm" /* local block merge */
5300 if (source < ARRAY_SIZE(dc_int_names))
5301 snprintf(buf, bsize, "dc_%s_int", dc_int_names[source]);
5303 snprintf(buf, bsize, "DCInt%u", source);
5307 static const char * const sdma_int_names[] = {
5314 * Return the SDMA engine interrupt name.
5316 static char *is_sdma_eng_name(char *buf, size_t bsize, unsigned int source)
5318 /* what interrupt */
5319 unsigned int what = source / TXE_NUM_SDMA_ENGINES;
5321 unsigned int which = source % TXE_NUM_SDMA_ENGINES;
5323 if (likely(what < 3))
5324 snprintf(buf, bsize, "%s%u", sdma_int_names[what], which);
5326 snprintf(buf, bsize, "Invalid SDMA interrupt %u", source);
5331 * Return the receive available interrupt name.
5333 static char *is_rcv_avail_name(char *buf, size_t bsize, unsigned int source)
5335 snprintf(buf, bsize, "RcvAvailInt%u", source);
5340 * Return the receive urgent interrupt name.
5342 static char *is_rcv_urgent_name(char *buf, size_t bsize, unsigned int source)
5344 snprintf(buf, bsize, "RcvUrgentInt%u", source);
5349 * Return the send credit interrupt name.
5351 static char *is_send_credit_name(char *buf, size_t bsize, unsigned int source)
5353 snprintf(buf, bsize, "SendCreditInt%u", source);
5358 * Return the reserved interrupt name.
5360 static char *is_reserved_name(char *buf, size_t bsize, unsigned int source)
5362 snprintf(buf, bsize, "Reserved%u", source + IS_RESERVED_START);
5366 static char *cce_err_status_string(char *buf, int buf_len, u64 flags)
5368 return flag_string(buf, buf_len, flags,
5369 cce_err_status_flags,
5370 ARRAY_SIZE(cce_err_status_flags));
5373 static char *rxe_err_status_string(char *buf, int buf_len, u64 flags)
5375 return flag_string(buf, buf_len, flags,
5376 rxe_err_status_flags,
5377 ARRAY_SIZE(rxe_err_status_flags));
5380 static char *misc_err_status_string(char *buf, int buf_len, u64 flags)
5382 return flag_string(buf, buf_len, flags, misc_err_status_flags,
5383 ARRAY_SIZE(misc_err_status_flags));
5386 static char *pio_err_status_string(char *buf, int buf_len, u64 flags)
5388 return flag_string(buf, buf_len, flags,
5389 pio_err_status_flags,
5390 ARRAY_SIZE(pio_err_status_flags));
5393 static char *sdma_err_status_string(char *buf, int buf_len, u64 flags)
5395 return flag_string(buf, buf_len, flags,
5396 sdma_err_status_flags,
5397 ARRAY_SIZE(sdma_err_status_flags));
5400 static char *egress_err_status_string(char *buf, int buf_len, u64 flags)
5402 return flag_string(buf, buf_len, flags,
5403 egress_err_status_flags,
5404 ARRAY_SIZE(egress_err_status_flags));
5407 static char *egress_err_info_string(char *buf, int buf_len, u64 flags)
5409 return flag_string(buf, buf_len, flags,
5410 egress_err_info_flags,
5411 ARRAY_SIZE(egress_err_info_flags));
5414 static char *send_err_status_string(char *buf, int buf_len, u64 flags)
5416 return flag_string(buf, buf_len, flags,
5417 send_err_status_flags,
5418 ARRAY_SIZE(send_err_status_flags));
5421 static void handle_cce_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
5427 * For most these errors, there is nothing that can be done except
5428 * report or record it.
5430 dd_dev_info(dd, "CCE Error: %s\n",
5431 cce_err_status_string(buf, sizeof(buf), reg));
5433 if ((reg & CCE_ERR_STATUS_CCE_CLI2_ASYNC_FIFO_PARITY_ERR_SMASK) &&
5434 is_ax(dd) && (dd->icode != ICODE_FUNCTIONAL_SIMULATOR)) {
5435 /* this error requires a manual drop into SPC freeze mode */
5437 start_freeze_handling(dd->pport, FREEZE_SELF);
5440 for (i = 0; i < NUM_CCE_ERR_STATUS_COUNTERS; i++) {
5441 if (reg & (1ull << i)) {
5442 incr_cntr64(&dd->cce_err_status_cnt[i]);
5443 /* maintain a counter over all cce_err_status errors */
5444 incr_cntr64(&dd->sw_cce_err_status_aggregate);
5450 * Check counters for receive errors that do not have an interrupt
5451 * associated with them.
5453 #define RCVERR_CHECK_TIME 10
5454 static void update_rcverr_timer(unsigned long opaque)
5456 struct hfi1_devdata *dd = (struct hfi1_devdata *)opaque;
5457 struct hfi1_pportdata *ppd = dd->pport;
5458 u32 cur_ovfl_cnt = read_dev_cntr(dd, C_RCV_OVF, CNTR_INVALID_VL);
5460 if (dd->rcv_ovfl_cnt < cur_ovfl_cnt &&
5461 ppd->port_error_action & OPA_PI_MASK_EX_BUFFER_OVERRUN) {
5462 dd_dev_info(dd, "%s: PortErrorAction bounce\n", __func__);
5463 set_link_down_reason(
5464 ppd, OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN, 0,
5465 OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN);
5466 queue_work(ppd->hfi1_wq, &ppd->link_bounce_work);
5468 dd->rcv_ovfl_cnt = (u32)cur_ovfl_cnt;
5470 mod_timer(&dd->rcverr_timer, jiffies + HZ * RCVERR_CHECK_TIME);
5473 static int init_rcverr(struct hfi1_devdata *dd)
5475 setup_timer(&dd->rcverr_timer, update_rcverr_timer, (unsigned long)dd);
5476 /* Assume the hardware counter has been reset */
5477 dd->rcv_ovfl_cnt = 0;
5478 return mod_timer(&dd->rcverr_timer, jiffies + HZ * RCVERR_CHECK_TIME);
5481 static void free_rcverr(struct hfi1_devdata *dd)
5483 if (dd->rcverr_timer.data)
5484 del_timer_sync(&dd->rcverr_timer);
5485 dd->rcverr_timer.data = 0;
5488 static void handle_rxe_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
5493 dd_dev_info(dd, "Receive Error: %s\n",
5494 rxe_err_status_string(buf, sizeof(buf), reg));
5496 if (reg & ALL_RXE_FREEZE_ERR) {
5500 * Freeze mode recovery is disabled for the errors
5501 * in RXE_FREEZE_ABORT_MASK
5503 if (is_ax(dd) && (reg & RXE_FREEZE_ABORT_MASK))
5504 flags = FREEZE_ABORT;
5506 start_freeze_handling(dd->pport, flags);
5509 for (i = 0; i < NUM_RCV_ERR_STATUS_COUNTERS; i++) {
5510 if (reg & (1ull << i))
5511 incr_cntr64(&dd->rcv_err_status_cnt[i]);
5515 static void handle_misc_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
5520 dd_dev_info(dd, "Misc Error: %s",
5521 misc_err_status_string(buf, sizeof(buf), reg));
5522 for (i = 0; i < NUM_MISC_ERR_STATUS_COUNTERS; i++) {
5523 if (reg & (1ull << i))
5524 incr_cntr64(&dd->misc_err_status_cnt[i]);
5528 static void handle_pio_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
5533 dd_dev_info(dd, "PIO Error: %s\n",
5534 pio_err_status_string(buf, sizeof(buf), reg));
5536 if (reg & ALL_PIO_FREEZE_ERR)
5537 start_freeze_handling(dd->pport, 0);
5539 for (i = 0; i < NUM_SEND_PIO_ERR_STATUS_COUNTERS; i++) {
5540 if (reg & (1ull << i))
5541 incr_cntr64(&dd->send_pio_err_status_cnt[i]);
5545 static void handle_sdma_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
5550 dd_dev_info(dd, "SDMA Error: %s\n",
5551 sdma_err_status_string(buf, sizeof(buf), reg));
5553 if (reg & ALL_SDMA_FREEZE_ERR)
5554 start_freeze_handling(dd->pport, 0);
5556 for (i = 0; i < NUM_SEND_DMA_ERR_STATUS_COUNTERS; i++) {
5557 if (reg & (1ull << i))
5558 incr_cntr64(&dd->send_dma_err_status_cnt[i]);
5562 static inline void __count_port_discards(struct hfi1_pportdata *ppd)
5564 incr_cntr64(&ppd->port_xmit_discards);
5567 static void count_port_inactive(struct hfi1_devdata *dd)
5569 __count_port_discards(dd->pport);
5573 * We have had a "disallowed packet" error during egress. Determine the
5574 * integrity check which failed, and update relevant error counter, etc.
5576 * Note that the SEND_EGRESS_ERR_INFO register has only a single
5577 * bit of state per integrity check, and so we can miss the reason for an
5578 * egress error if more than one packet fails the same integrity check
5579 * since we cleared the corresponding bit in SEND_EGRESS_ERR_INFO.
5581 static void handle_send_egress_err_info(struct hfi1_devdata *dd,
5584 struct hfi1_pportdata *ppd = dd->pport;
5585 u64 src = read_csr(dd, SEND_EGRESS_ERR_SOURCE); /* read first */
5586 u64 info = read_csr(dd, SEND_EGRESS_ERR_INFO);
5589 /* clear down all observed info as quickly as possible after read */
5590 write_csr(dd, SEND_EGRESS_ERR_INFO, info);
5593 "Egress Error Info: 0x%llx, %s Egress Error Src 0x%llx\n",
5594 info, egress_err_info_string(buf, sizeof(buf), info), src);
5596 /* Eventually add other counters for each bit */
5597 if (info & PORT_DISCARD_EGRESS_ERRS) {
5601 * Count all applicable bits as individual errors and
5602 * attribute them to the packet that triggered this handler.
5603 * This may not be completely accurate due to limitations
5604 * on the available hardware error information. There is
5605 * a single information register and any number of error
5606 * packets may have occurred and contributed to it before
5607 * this routine is called. This means that:
5608 * a) If multiple packets with the same error occur before
5609 * this routine is called, earlier packets are missed.
5610 * There is only a single bit for each error type.
5611 * b) Errors may not be attributed to the correct VL.
5612 * The driver is attributing all bits in the info register
5613 * to the packet that triggered this call, but bits
5614 * could be an accumulation of different packets with
5616 * c) A single error packet may have multiple counts attached
5617 * to it. There is no way for the driver to know if
5618 * multiple bits set in the info register are due to a
5619 * single packet or multiple packets. The driver assumes
5622 weight = hweight64(info & PORT_DISCARD_EGRESS_ERRS);
5623 for (i = 0; i < weight; i++) {
5624 __count_port_discards(ppd);
5625 if (vl >= 0 && vl < TXE_NUM_DATA_VL)
5626 incr_cntr64(&ppd->port_xmit_discards_vl[vl]);
5628 incr_cntr64(&ppd->port_xmit_discards_vl
5635 * Input value is a bit position within the SEND_EGRESS_ERR_STATUS
5636 * register. Does it represent a 'port inactive' error?
5638 static inline int port_inactive_err(u64 posn)
5640 return (posn >= SEES(TX_LINKDOWN) &&
5641 posn <= SEES(TX_INCORRECT_LINK_STATE));
5645 * Input value is a bit position within the SEND_EGRESS_ERR_STATUS
5646 * register. Does it represent a 'disallowed packet' error?
5648 static inline int disallowed_pkt_err(int posn)
5650 return (posn >= SEES(TX_SDMA0_DISALLOWED_PACKET) &&
5651 posn <= SEES(TX_SDMA15_DISALLOWED_PACKET));
5655 * Input value is a bit position of one of the SDMA engine disallowed
5656 * packet errors. Return which engine. Use of this must be guarded by
5657 * disallowed_pkt_err().
5659 static inline int disallowed_pkt_engine(int posn)
5661 return posn - SEES(TX_SDMA0_DISALLOWED_PACKET);
5665 * Translate an SDMA engine to a VL. Return -1 if the tranlation cannot
5668 static int engine_to_vl(struct hfi1_devdata *dd, int engine)
5670 struct sdma_vl_map *m;
5674 if (engine < 0 || engine >= TXE_NUM_SDMA_ENGINES)
5678 m = rcu_dereference(dd->sdma_map);
5679 vl = m->engine_to_vl[engine];
5686 * Translate the send context (sofware index) into a VL. Return -1 if the
5687 * translation cannot be done.
5689 static int sc_to_vl(struct hfi1_devdata *dd, int sw_index)
5691 struct send_context_info *sci;
5692 struct send_context *sc;
5695 sci = &dd->send_contexts[sw_index];
5697 /* there is no information for user (PSM) and ack contexts */
5698 if ((sci->type != SC_KERNEL) && (sci->type != SC_VL15))
5704 if (dd->vld[15].sc == sc)
5706 for (i = 0; i < num_vls; i++)
5707 if (dd->vld[i].sc == sc)
5713 static void handle_egress_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
5715 u64 reg_copy = reg, handled = 0;
5719 if (reg & ALL_TXE_EGRESS_FREEZE_ERR)
5720 start_freeze_handling(dd->pport, 0);
5721 else if (is_ax(dd) &&
5722 (reg & SEND_EGRESS_ERR_STATUS_TX_CREDIT_RETURN_VL_ERR_SMASK) &&
5723 (dd->icode != ICODE_FUNCTIONAL_SIMULATOR))
5724 start_freeze_handling(dd->pport, 0);
5727 int posn = fls64(reg_copy);
5728 /* fls64() returns a 1-based offset, we want it zero based */
5729 int shift = posn - 1;
5730 u64 mask = 1ULL << shift;
5732 if (port_inactive_err(shift)) {
5733 count_port_inactive(dd);
5735 } else if (disallowed_pkt_err(shift)) {
5736 int vl = engine_to_vl(dd, disallowed_pkt_engine(shift));
5738 handle_send_egress_err_info(dd, vl);
5747 dd_dev_info(dd, "Egress Error: %s\n",
5748 egress_err_status_string(buf, sizeof(buf), reg));
5750 for (i = 0; i < NUM_SEND_EGRESS_ERR_STATUS_COUNTERS; i++) {
5751 if (reg & (1ull << i))
5752 incr_cntr64(&dd->send_egress_err_status_cnt[i]);
5756 static void handle_txe_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
5761 dd_dev_info(dd, "Send Error: %s\n",
5762 send_err_status_string(buf, sizeof(buf), reg));
5764 for (i = 0; i < NUM_SEND_ERR_STATUS_COUNTERS; i++) {
5765 if (reg & (1ull << i))
5766 incr_cntr64(&dd->send_err_status_cnt[i]);
5771 * The maximum number of times the error clear down will loop before
5772 * blocking a repeating error. This value is arbitrary.
5774 #define MAX_CLEAR_COUNT 20
5777 * Clear and handle an error register. All error interrupts are funneled
5778 * through here to have a central location to correctly handle single-
5779 * or multi-shot errors.
5781 * For non per-context registers, call this routine with a context value
5782 * of 0 so the per-context offset is zero.
5784 * If the handler loops too many times, assume that something is wrong
5785 * and can't be fixed, so mask the error bits.
5787 static void interrupt_clear_down(struct hfi1_devdata *dd,
5789 const struct err_reg_info *eri)
5794 /* read in a loop until no more errors are seen */
5797 reg = read_kctxt_csr(dd, context, eri->status);
5800 write_kctxt_csr(dd, context, eri->clear, reg);
5801 if (likely(eri->handler))
5802 eri->handler(dd, context, reg);
5804 if (count > MAX_CLEAR_COUNT) {
5807 dd_dev_err(dd, "Repeating %s bits 0x%llx - masking\n",
5810 * Read-modify-write so any other masked bits
5813 mask = read_kctxt_csr(dd, context, eri->mask);
5815 write_kctxt_csr(dd, context, eri->mask, mask);
5822 * CCE block "misc" interrupt. Source is < 16.
5824 static void is_misc_err_int(struct hfi1_devdata *dd, unsigned int source)
5826 const struct err_reg_info *eri = &misc_errs[source];
5829 interrupt_clear_down(dd, 0, eri);
5831 dd_dev_err(dd, "Unexpected misc interrupt (%u) - reserved\n",
5836 static char *send_context_err_status_string(char *buf, int buf_len, u64 flags)
5838 return flag_string(buf, buf_len, flags,
5839 sc_err_status_flags,
5840 ARRAY_SIZE(sc_err_status_flags));
5844 * Send context error interrupt. Source (hw_context) is < 160.
5846 * All send context errors cause the send context to halt. The normal
5847 * clear-down mechanism cannot be used because we cannot clear the
5848 * error bits until several other long-running items are done first.
5849 * This is OK because with the context halted, nothing else is going
5850 * to happen on it anyway.
5852 static void is_sendctxt_err_int(struct hfi1_devdata *dd,
5853 unsigned int hw_context)
5855 struct send_context_info *sci;
5856 struct send_context *sc;
5862 sw_index = dd->hw_to_sw[hw_context];
5863 if (sw_index >= dd->num_send_contexts) {
5865 "out of range sw index %u for send context %u\n",
5866 sw_index, hw_context);
5869 sci = &dd->send_contexts[sw_index];
5872 dd_dev_err(dd, "%s: context %u(%u): no sc?\n", __func__,
5873 sw_index, hw_context);
5877 /* tell the software that a halt has begun */
5878 sc_stop(sc, SCF_HALTED);
5880 status = read_kctxt_csr(dd, hw_context, SEND_CTXT_ERR_STATUS);
5882 dd_dev_info(dd, "Send Context %u(%u) Error: %s\n", sw_index, hw_context,
5883 send_context_err_status_string(flags, sizeof(flags),
5886 if (status & SEND_CTXT_ERR_STATUS_PIO_DISALLOWED_PACKET_ERR_SMASK)
5887 handle_send_egress_err_info(dd, sc_to_vl(dd, sw_index));
5890 * Automatically restart halted kernel contexts out of interrupt
5891 * context. User contexts must ask the driver to restart the context.
5893 if (sc->type != SC_USER)
5894 queue_work(dd->pport->hfi1_wq, &sc->halt_work);
5897 * Update the counters for the corresponding status bits.
5898 * Note that these particular counters are aggregated over all
5901 for (i = 0; i < NUM_SEND_CTXT_ERR_STATUS_COUNTERS; i++) {
5902 if (status & (1ull << i))
5903 incr_cntr64(&dd->sw_ctxt_err_status_cnt[i]);
5907 static void handle_sdma_eng_err(struct hfi1_devdata *dd,
5908 unsigned int source, u64 status)
5910 struct sdma_engine *sde;
5913 sde = &dd->per_sdma[source];
5914 #ifdef CONFIG_SDMA_VERBOSITY
5915 dd_dev_err(sde->dd, "CONFIG SDMA(%u) %s:%d %s()\n", sde->this_idx,
5916 slashstrip(__FILE__), __LINE__, __func__);
5917 dd_dev_err(sde->dd, "CONFIG SDMA(%u) source: %u status 0x%llx\n",
5918 sde->this_idx, source, (unsigned long long)status);
5921 sdma_engine_error(sde, status);
5924 * Update the counters for the corresponding status bits.
5925 * Note that these particular counters are aggregated over
5926 * all 16 DMA engines.
5928 for (i = 0; i < NUM_SEND_DMA_ENG_ERR_STATUS_COUNTERS; i++) {
5929 if (status & (1ull << i))
5930 incr_cntr64(&dd->sw_send_dma_eng_err_status_cnt[i]);
5935 * CCE block SDMA error interrupt. Source is < 16.
5937 static void is_sdma_eng_err_int(struct hfi1_devdata *dd, unsigned int source)
5939 #ifdef CONFIG_SDMA_VERBOSITY
5940 struct sdma_engine *sde = &dd->per_sdma[source];
5942 dd_dev_err(dd, "CONFIG SDMA(%u) %s:%d %s()\n", sde->this_idx,
5943 slashstrip(__FILE__), __LINE__, __func__);
5944 dd_dev_err(dd, "CONFIG SDMA(%u) source: %u\n", sde->this_idx,
5946 sdma_dumpstate(sde);
5948 interrupt_clear_down(dd, source, &sdma_eng_err);
5952 * CCE block "various" interrupt. Source is < 8.
5954 static void is_various_int(struct hfi1_devdata *dd, unsigned int source)
5956 const struct err_reg_info *eri = &various_err[source];
5959 * TCritInt cannot go through interrupt_clear_down()
5960 * because it is not a second tier interrupt. The handler
5961 * should be called directly.
5963 if (source == TCRIT_INT_SOURCE)
5964 handle_temp_err(dd);
5965 else if (eri->handler)
5966 interrupt_clear_down(dd, 0, eri);
5969 "%s: Unimplemented/reserved interrupt %d\n",
5973 static void handle_qsfp_int(struct hfi1_devdata *dd, u32 src_ctx, u64 reg)
5975 /* src_ctx is always zero */
5976 struct hfi1_pportdata *ppd = dd->pport;
5977 unsigned long flags;
5978 u64 qsfp_int_mgmt = (u64)(QSFP_HFI0_INT_N | QSFP_HFI0_MODPRST_N);
5980 if (reg & QSFP_HFI0_MODPRST_N) {
5981 if (!qsfp_mod_present(ppd)) {
5982 dd_dev_info(dd, "%s: QSFP module removed\n",
5985 ppd->driver_link_ready = 0;
5987 * Cable removed, reset all our information about the
5988 * cache and cable capabilities
5991 spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags);
5993 * We don't set cache_refresh_required here as we expect
5994 * an interrupt when a cable is inserted
5996 ppd->qsfp_info.cache_valid = 0;
5997 ppd->qsfp_info.reset_needed = 0;
5998 ppd->qsfp_info.limiting_active = 0;
5999 spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock,
6001 /* Invert the ModPresent pin now to detect plug-in */
6002 write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_INVERT :
6003 ASIC_QSFP1_INVERT, qsfp_int_mgmt);
6005 if ((ppd->offline_disabled_reason >
6007 OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED)) ||
6008 (ppd->offline_disabled_reason ==
6009 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE)))
6010 ppd->offline_disabled_reason =
6012 OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED);
6014 if (ppd->host_link_state == HLS_DN_POLL) {
6016 * The link is still in POLL. This means
6017 * that the normal link down processing
6018 * will not happen. We have to do it here
6019 * before turning the DC off.
6021 queue_work(ppd->hfi1_wq, &ppd->link_down_work);
6024 dd_dev_info(dd, "%s: QSFP module inserted\n",
6027 spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags);
6028 ppd->qsfp_info.cache_valid = 0;
6029 ppd->qsfp_info.cache_refresh_required = 1;
6030 spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock,
6034 * Stop inversion of ModPresent pin to detect
6035 * removal of the cable
6037 qsfp_int_mgmt &= ~(u64)QSFP_HFI0_MODPRST_N;
6038 write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_INVERT :
6039 ASIC_QSFP1_INVERT, qsfp_int_mgmt);
6041 ppd->offline_disabled_reason =
6042 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_TRANSIENT);
6046 if (reg & QSFP_HFI0_INT_N) {
6047 dd_dev_info(dd, "%s: Interrupt received from QSFP module\n",
6049 spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags);
6050 ppd->qsfp_info.check_interrupt_flags = 1;
6051 spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock, flags);
6054 /* Schedule the QSFP work only if there is a cable attached. */
6055 if (qsfp_mod_present(ppd))
6056 queue_work(ppd->hfi1_wq, &ppd->qsfp_info.qsfp_work);
6059 static int request_host_lcb_access(struct hfi1_devdata *dd)
6063 ret = do_8051_command(dd, HCMD_MISC,
6064 (u64)HCMD_MISC_REQUEST_LCB_ACCESS <<
6065 LOAD_DATA_FIELD_ID_SHIFT, NULL);
6066 if (ret != HCMD_SUCCESS) {
6067 dd_dev_err(dd, "%s: command failed with error %d\n",
6070 return ret == HCMD_SUCCESS ? 0 : -EBUSY;
6073 static int request_8051_lcb_access(struct hfi1_devdata *dd)
6077 ret = do_8051_command(dd, HCMD_MISC,
6078 (u64)HCMD_MISC_GRANT_LCB_ACCESS <<
6079 LOAD_DATA_FIELD_ID_SHIFT, NULL);
6080 if (ret != HCMD_SUCCESS) {
6081 dd_dev_err(dd, "%s: command failed with error %d\n",
6084 return ret == HCMD_SUCCESS ? 0 : -EBUSY;
6088 * Set the LCB selector - allow host access. The DCC selector always
6089 * points to the host.
6091 static inline void set_host_lcb_access(struct hfi1_devdata *dd)
6093 write_csr(dd, DC_DC8051_CFG_CSR_ACCESS_SEL,
6094 DC_DC8051_CFG_CSR_ACCESS_SEL_DCC_SMASK |
6095 DC_DC8051_CFG_CSR_ACCESS_SEL_LCB_SMASK);
6099 * Clear the LCB selector - allow 8051 access. The DCC selector always
6100 * points to the host.
6102 static inline void set_8051_lcb_access(struct hfi1_devdata *dd)
6104 write_csr(dd, DC_DC8051_CFG_CSR_ACCESS_SEL,
6105 DC_DC8051_CFG_CSR_ACCESS_SEL_DCC_SMASK);
6109 * Acquire LCB access from the 8051. If the host already has access,
6110 * just increment a counter. Otherwise, inform the 8051 that the
6111 * host is taking access.
6115 * -EBUSY if the 8051 has control and cannot be disturbed
6116 * -errno if unable to acquire access from the 8051
6118 int acquire_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
6120 struct hfi1_pportdata *ppd = dd->pport;
6124 * Use the host link state lock so the operation of this routine
6125 * { link state check, selector change, count increment } can occur
6126 * as a unit against a link state change. Otherwise there is a
6127 * race between the state change and the count increment.
6130 mutex_lock(&ppd->hls_lock);
6132 while (!mutex_trylock(&ppd->hls_lock))
6136 /* this access is valid only when the link is up */
6137 if (ppd->host_link_state & HLS_DOWN) {
6138 dd_dev_info(dd, "%s: link state %s not up\n",
6139 __func__, link_state_name(ppd->host_link_state));
6144 if (dd->lcb_access_count == 0) {
6145 ret = request_host_lcb_access(dd);
6148 "%s: unable to acquire LCB access, err %d\n",
6152 set_host_lcb_access(dd);
6154 dd->lcb_access_count++;
6156 mutex_unlock(&ppd->hls_lock);
6161 * Release LCB access by decrementing the use count. If the count is moving
6162 * from 1 to 0, inform 8051 that it has control back.
6166 * -errno if unable to release access to the 8051
6168 int release_lcb_access(struct hfi1_devdata *dd, int sleep_ok)
6173 * Use the host link state lock because the acquire needed it.
6174 * Here, we only need to keep { selector change, count decrement }
6178 mutex_lock(&dd->pport->hls_lock);
6180 while (!mutex_trylock(&dd->pport->hls_lock))
6184 if (dd->lcb_access_count == 0) {
6185 dd_dev_err(dd, "%s: LCB access count is zero. Skipping.\n",
6190 if (dd->lcb_access_count == 1) {
6191 set_8051_lcb_access(dd);
6192 ret = request_8051_lcb_access(dd);
6195 "%s: unable to release LCB access, err %d\n",
6197 /* restore host access if the grant didn't work */
6198 set_host_lcb_access(dd);
6202 dd->lcb_access_count--;
6204 mutex_unlock(&dd->pport->hls_lock);
6209 * Initialize LCB access variables and state. Called during driver load,
6210 * after most of the initialization is finished.
6212 * The DC default is LCB access on for the host. The driver defaults to
6213 * leaving access to the 8051. Assign access now - this constrains the call
6214 * to this routine to be after all LCB set-up is done. In particular, after
6215 * hf1_init_dd() -> set_up_interrupts() -> clear_all_interrupts()
6217 static void init_lcb_access(struct hfi1_devdata *dd)
6219 dd->lcb_access_count = 0;
6223 * Write a response back to a 8051 request.
6225 static void hreq_response(struct hfi1_devdata *dd, u8 return_code, u16 rsp_data)
6227 write_csr(dd, DC_DC8051_CFG_EXT_DEV_0,
6228 DC_DC8051_CFG_EXT_DEV_0_COMPLETED_SMASK |
6230 DC_DC8051_CFG_EXT_DEV_0_RETURN_CODE_SHIFT |
6231 (u64)rsp_data << DC_DC8051_CFG_EXT_DEV_0_RSP_DATA_SHIFT);
6235 * Handle host requests from the 8051.
6237 static void handle_8051_request(struct hfi1_pportdata *ppd)
6239 struct hfi1_devdata *dd = ppd->dd;
6244 reg = read_csr(dd, DC_DC8051_CFG_EXT_DEV_1);
6245 if ((reg & DC_DC8051_CFG_EXT_DEV_1_REQ_NEW_SMASK) == 0)
6246 return; /* no request */
6248 /* zero out COMPLETED so the response is seen */
6249 write_csr(dd, DC_DC8051_CFG_EXT_DEV_0, 0);
6251 /* extract request details */
6252 type = (reg >> DC_DC8051_CFG_EXT_DEV_1_REQ_TYPE_SHIFT)
6253 & DC_DC8051_CFG_EXT_DEV_1_REQ_TYPE_MASK;
6254 data = (reg >> DC_DC8051_CFG_EXT_DEV_1_REQ_DATA_SHIFT)
6255 & DC_DC8051_CFG_EXT_DEV_1_REQ_DATA_MASK;
6258 case HREQ_LOAD_CONFIG:
6259 case HREQ_SAVE_CONFIG:
6260 case HREQ_READ_CONFIG:
6261 case HREQ_SET_TX_EQ_ABS:
6262 case HREQ_SET_TX_EQ_REL:
6264 dd_dev_info(dd, "8051 request: request 0x%x not supported\n",
6266 hreq_response(dd, HREQ_NOT_SUPPORTED, 0);
6268 case HREQ_CONFIG_DONE:
6269 hreq_response(dd, HREQ_SUCCESS, 0);
6272 case HREQ_INTERFACE_TEST:
6273 hreq_response(dd, HREQ_SUCCESS, data);
6276 dd_dev_err(dd, "8051 request: unknown request 0x%x\n", type);
6277 hreq_response(dd, HREQ_NOT_SUPPORTED, 0);
6282 static void write_global_credit(struct hfi1_devdata *dd,
6283 u8 vau, u16 total, u16 shared)
6285 write_csr(dd, SEND_CM_GLOBAL_CREDIT,
6287 SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT) |
6289 SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT) |
6290 ((u64)vau << SEND_CM_GLOBAL_CREDIT_AU_SHIFT));
6294 * Set up initial VL15 credits of the remote. Assumes the rest of
6295 * the CM credit registers are zero from a previous global or credit reset .
6297 void set_up_vl15(struct hfi1_devdata *dd, u8 vau, u16 vl15buf)
6299 /* leave shared count at zero for both global and VL15 */
6300 write_global_credit(dd, vau, vl15buf, 0);
6302 /* We may need some credits for another VL when sending packets
6303 * with the snoop interface. Dividing it down the middle for VL15
6304 * and VL0 should suffice.
6306 if (unlikely(dd->hfi1_snoop.mode_flag == HFI1_PORT_SNOOP_MODE)) {
6307 write_csr(dd, SEND_CM_CREDIT_VL15, (u64)(vl15buf >> 1)
6308 << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT);
6309 write_csr(dd, SEND_CM_CREDIT_VL, (u64)(vl15buf >> 1)
6310 << SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SHIFT);
6312 write_csr(dd, SEND_CM_CREDIT_VL15, (u64)vl15buf
6313 << SEND_CM_CREDIT_VL15_DEDICATED_LIMIT_VL_SHIFT);
6318 * Zero all credit details from the previous connection and
6319 * reset the CM manager's internal counters.
6321 void reset_link_credits(struct hfi1_devdata *dd)
6325 /* remove all previous VL credit limits */
6326 for (i = 0; i < TXE_NUM_DATA_VL; i++)
6327 write_csr(dd, SEND_CM_CREDIT_VL + (8 * i), 0);
6328 write_csr(dd, SEND_CM_CREDIT_VL15, 0);
6329 write_global_credit(dd, 0, 0, 0);
6330 /* reset the CM block */
6331 pio_send_control(dd, PSC_CM_RESET);
6334 /* convert a vCU to a CU */
6335 static u32 vcu_to_cu(u8 vcu)
6340 /* convert a CU to a vCU */
6341 static u8 cu_to_vcu(u32 cu)
6346 /* convert a vAU to an AU */
6347 static u32 vau_to_au(u8 vau)
6349 return 8 * (1 << vau);
6352 static void set_linkup_defaults(struct hfi1_pportdata *ppd)
6354 ppd->sm_trap_qp = 0x0;
6359 * Graceful LCB shutdown. This leaves the LCB FIFOs in reset.
6361 static void lcb_shutdown(struct hfi1_devdata *dd, int abort)
6365 /* clear lcb run: LCB_CFG_RUN.EN = 0 */
6366 write_csr(dd, DC_LCB_CFG_RUN, 0);
6367 /* set tx fifo reset: LCB_CFG_TX_FIFOS_RESET.VAL = 1 */
6368 write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET,
6369 1ull << DC_LCB_CFG_TX_FIFOS_RESET_VAL_SHIFT);
6370 /* set dcc reset csr: DCC_CFG_RESET.{reset_lcb,reset_rx_fpe} = 1 */
6371 dd->lcb_err_en = read_csr(dd, DC_LCB_ERR_EN);
6372 reg = read_csr(dd, DCC_CFG_RESET);
6373 write_csr(dd, DCC_CFG_RESET, reg |
6374 (1ull << DCC_CFG_RESET_RESET_LCB_SHIFT) |
6375 (1ull << DCC_CFG_RESET_RESET_RX_FPE_SHIFT));
6376 (void)read_csr(dd, DCC_CFG_RESET); /* make sure the write completed */
6378 udelay(1); /* must hold for the longer of 16cclks or 20ns */
6379 write_csr(dd, DCC_CFG_RESET, reg);
6380 write_csr(dd, DC_LCB_ERR_EN, dd->lcb_err_en);
6385 * This routine should be called after the link has been transitioned to
6386 * OFFLINE (OFFLINE state has the side effect of putting the SerDes into
6389 * The expectation is that the caller of this routine would have taken
6390 * care of properly transitioning the link into the correct state.
6392 static void dc_shutdown(struct hfi1_devdata *dd)
6394 unsigned long flags;
6396 spin_lock_irqsave(&dd->dc8051_lock, flags);
6397 if (dd->dc_shutdown) {
6398 spin_unlock_irqrestore(&dd->dc8051_lock, flags);
6401 dd->dc_shutdown = 1;
6402 spin_unlock_irqrestore(&dd->dc8051_lock, flags);
6403 /* Shutdown the LCB */
6404 lcb_shutdown(dd, 1);
6406 * Going to OFFLINE would have causes the 8051 to put the
6407 * SerDes into reset already. Just need to shut down the 8051,
6410 write_csr(dd, DC_DC8051_CFG_RST, 0x1);
6414 * Calling this after the DC has been brought out of reset should not
6417 static void dc_start(struct hfi1_devdata *dd)
6419 unsigned long flags;
6422 spin_lock_irqsave(&dd->dc8051_lock, flags);
6423 if (!dd->dc_shutdown)
6425 spin_unlock_irqrestore(&dd->dc8051_lock, flags);
6426 /* Take the 8051 out of reset */
6427 write_csr(dd, DC_DC8051_CFG_RST, 0ull);
6428 /* Wait until 8051 is ready */
6429 ret = wait_fm_ready(dd, TIMEOUT_8051_START);
6431 dd_dev_err(dd, "%s: timeout starting 8051 firmware\n",
6434 /* Take away reset for LCB and RX FPE (set in lcb_shutdown). */
6435 write_csr(dd, DCC_CFG_RESET, 0x10);
6436 /* lcb_shutdown() with abort=1 does not restore these */
6437 write_csr(dd, DC_LCB_ERR_EN, dd->lcb_err_en);
6438 spin_lock_irqsave(&dd->dc8051_lock, flags);
6439 dd->dc_shutdown = 0;
6441 spin_unlock_irqrestore(&dd->dc8051_lock, flags);
6445 * These LCB adjustments are for the Aurora SerDes core in the FPGA.
6447 static void adjust_lcb_for_fpga_serdes(struct hfi1_devdata *dd)
6449 u64 rx_radr, tx_radr;
6452 if (dd->icode != ICODE_FPGA_EMULATION)
6456 * These LCB defaults on emulator _s are good, nothing to do here:
6457 * LCB_CFG_TX_FIFOS_RADR
6458 * LCB_CFG_RX_FIFOS_RADR
6460 * LCB_CFG_IGNORE_LOST_RCLK
6462 if (is_emulator_s(dd))
6464 /* else this is _p */
6466 version = emulator_rev(dd);
6468 version = 0x2d; /* all B0 use 0x2d or higher settings */
6470 if (version <= 0x12) {
6471 /* release 0x12 and below */
6474 * LCB_CFG_RX_FIFOS_RADR.RST_VAL = 0x9
6475 * LCB_CFG_RX_FIFOS_RADR.OK_TO_JUMP_VAL = 0x9
6476 * LCB_CFG_RX_FIFOS_RADR.DO_NOT_JUMP_VAL = 0xa
6479 0xaull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT
6480 | 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT
6481 | 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT;
6483 * LCB_CFG_TX_FIFOS_RADR.ON_REINIT = 0 (default)
6484 * LCB_CFG_TX_FIFOS_RADR.RST_VAL = 6
6486 tx_radr = 6ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT;
6487 } else if (version <= 0x18) {
6488 /* release 0x13 up to 0x18 */
6489 /* LCB_CFG_RX_FIFOS_RADR = 0x988 */
6491 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT
6492 | 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT
6493 | 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT;
6494 tx_radr = 7ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT;
6495 } else if (version == 0x19) {
6497 /* LCB_CFG_RX_FIFOS_RADR = 0xa99 */
6499 0xAull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT
6500 | 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT
6501 | 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT;
6502 tx_radr = 3ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT;
6503 } else if (version == 0x1a) {
6505 /* LCB_CFG_RX_FIFOS_RADR = 0x988 */
6507 0x9ull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT
6508 | 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT
6509 | 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT;
6510 tx_radr = 7ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT;
6511 write_csr(dd, DC_LCB_CFG_LN_DCLK, 1ull);
6513 /* release 0x1b and higher */
6514 /* LCB_CFG_RX_FIFOS_RADR = 0x877 */
6516 0x8ull << DC_LCB_CFG_RX_FIFOS_RADR_DO_NOT_JUMP_VAL_SHIFT
6517 | 0x7ull << DC_LCB_CFG_RX_FIFOS_RADR_OK_TO_JUMP_VAL_SHIFT
6518 | 0x7ull << DC_LCB_CFG_RX_FIFOS_RADR_RST_VAL_SHIFT;
6519 tx_radr = 3ull << DC_LCB_CFG_TX_FIFOS_RADR_RST_VAL_SHIFT;
6522 write_csr(dd, DC_LCB_CFG_RX_FIFOS_RADR, rx_radr);
6523 /* LCB_CFG_IGNORE_LOST_RCLK.EN = 1 */
6524 write_csr(dd, DC_LCB_CFG_IGNORE_LOST_RCLK,
6525 DC_LCB_CFG_IGNORE_LOST_RCLK_EN_SMASK);
6526 write_csr(dd, DC_LCB_CFG_TX_FIFOS_RADR, tx_radr);
6530 * Handle a SMA idle message
6532 * This is a work-queue function outside of the interrupt.
6534 void handle_sma_message(struct work_struct *work)
6536 struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata,
6538 struct hfi1_devdata *dd = ppd->dd;
6543 * msg is bytes 1-4 of the 40-bit idle message - the command code
6546 ret = read_idle_sma(dd, &msg);
6549 dd_dev_info(dd, "%s: SMA message 0x%llx\n", __func__, msg);
6551 * React to the SMA message. Byte[1] (0 for us) is the command.
6553 switch (msg & 0xff) {
6556 * See OPAv1 table 9-14 - HFI and External Switch Ports Key
6559 * Only expected in INIT or ARMED, discard otherwise.
6561 if (ppd->host_link_state & (HLS_UP_INIT | HLS_UP_ARMED))
6562 ppd->neighbor_normal = 1;
6564 case SMA_IDLE_ACTIVE:
6566 * See OPAv1 table 9-14 - HFI and External Switch Ports Key
6569 * Can activate the node. Discard otherwise.
6571 if (ppd->host_link_state == HLS_UP_ARMED &&
6572 ppd->is_active_optimize_enabled) {
6573 ppd->neighbor_normal = 1;
6574 ret = set_link_state(ppd, HLS_UP_ACTIVE);
6578 "%s: received Active SMA idle message, couldn't set link to Active\n",
6584 "%s: received unexpected SMA idle message 0x%llx\n",
6590 static void adjust_rcvctrl(struct hfi1_devdata *dd, u64 add, u64 clear)
6593 unsigned long flags;
6595 spin_lock_irqsave(&dd->rcvctrl_lock, flags);
6596 rcvctrl = read_csr(dd, RCV_CTRL);
6599 write_csr(dd, RCV_CTRL, rcvctrl);
6600 spin_unlock_irqrestore(&dd->rcvctrl_lock, flags);
6603 static inline void add_rcvctrl(struct hfi1_devdata *dd, u64 add)
6605 adjust_rcvctrl(dd, add, 0);
6608 static inline void clear_rcvctrl(struct hfi1_devdata *dd, u64 clear)
6610 adjust_rcvctrl(dd, 0, clear);
6614 * Called from all interrupt handlers to start handling an SPC freeze.
6616 void start_freeze_handling(struct hfi1_pportdata *ppd, int flags)
6618 struct hfi1_devdata *dd = ppd->dd;
6619 struct send_context *sc;
6622 if (flags & FREEZE_SELF)
6623 write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_FREEZE_SMASK);
6625 /* enter frozen mode */
6626 dd->flags |= HFI1_FROZEN;
6628 /* notify all SDMA engines that they are going into a freeze */
6629 sdma_freeze_notify(dd, !!(flags & FREEZE_LINK_DOWN));
6631 /* do halt pre-handling on all enabled send contexts */
6632 for (i = 0; i < dd->num_send_contexts; i++) {
6633 sc = dd->send_contexts[i].sc;
6634 if (sc && (sc->flags & SCF_ENABLED))
6635 sc_stop(sc, SCF_FROZEN | SCF_HALTED);
6638 /* Send context are frozen. Notify user space */
6639 hfi1_set_uevent_bits(ppd, _HFI1_EVENT_FROZEN_BIT);
6641 if (flags & FREEZE_ABORT) {
6643 "Aborted freeze recovery. Please REBOOT system\n");
6646 /* queue non-interrupt handler */
6647 queue_work(ppd->hfi1_wq, &ppd->freeze_work);
6651 * Wait until all 4 sub-blocks indicate that they have frozen or unfrozen,
6652 * depending on the "freeze" parameter.
6654 * No need to return an error if it times out, our only option
6655 * is to proceed anyway.
6657 static void wait_for_freeze_status(struct hfi1_devdata *dd, int freeze)
6659 unsigned long timeout;
6662 timeout = jiffies + msecs_to_jiffies(FREEZE_STATUS_TIMEOUT);
6664 reg = read_csr(dd, CCE_STATUS);
6666 /* waiting until all indicators are set */
6667 if ((reg & ALL_FROZE) == ALL_FROZE)
6668 return; /* all done */
6670 /* waiting until all indicators are clear */
6671 if ((reg & ALL_FROZE) == 0)
6672 return; /* all done */
6675 if (time_after(jiffies, timeout)) {
6677 "Time out waiting for SPC %sfreeze, bits 0x%llx, expecting 0x%llx, continuing",
6678 freeze ? "" : "un", reg & ALL_FROZE,
6679 freeze ? ALL_FROZE : 0ull);
6682 usleep_range(80, 120);
6687 * Do all freeze handling for the RXE block.
6689 static void rxe_freeze(struct hfi1_devdata *dd)
6694 clear_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
6696 /* disable all receive contexts */
6697 for (i = 0; i < dd->num_rcv_contexts; i++)
6698 hfi1_rcvctrl(dd, HFI1_RCVCTRL_CTXT_DIS, i);
6702 * Unfreeze handling for the RXE block - kernel contexts only.
6703 * This will also enable the port. User contexts will do unfreeze
6704 * handling on a per-context basis as they call into the driver.
6707 static void rxe_kernel_unfreeze(struct hfi1_devdata *dd)
6712 /* enable all kernel contexts */
6713 for (i = 0; i < dd->n_krcv_queues; i++) {
6714 rcvmask = HFI1_RCVCTRL_CTXT_ENB;
6715 /* HFI1_RCVCTRL_TAILUPD_[ENB|DIS] needs to be set explicitly */
6716 rcvmask |= HFI1_CAP_KGET_MASK(dd->rcd[i]->flags, DMA_RTAIL) ?
6717 HFI1_RCVCTRL_TAILUPD_ENB : HFI1_RCVCTRL_TAILUPD_DIS;
6718 hfi1_rcvctrl(dd, rcvmask, i);
6722 add_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
6726 * Non-interrupt SPC freeze handling.
6728 * This is a work-queue function outside of the triggering interrupt.
6730 void handle_freeze(struct work_struct *work)
6732 struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata,
6734 struct hfi1_devdata *dd = ppd->dd;
6736 /* wait for freeze indicators on all affected blocks */
6737 wait_for_freeze_status(dd, 1);
6739 /* SPC is now frozen */
6741 /* do send PIO freeze steps */
6744 /* do send DMA freeze steps */
6747 /* do send egress freeze steps - nothing to do */
6749 /* do receive freeze steps */
6753 * Unfreeze the hardware - clear the freeze, wait for each
6754 * block's frozen bit to clear, then clear the frozen flag.
6756 write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_UNFREEZE_SMASK);
6757 wait_for_freeze_status(dd, 0);
6760 write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_FREEZE_SMASK);
6761 wait_for_freeze_status(dd, 1);
6762 write_csr(dd, CCE_CTRL, CCE_CTRL_SPC_UNFREEZE_SMASK);
6763 wait_for_freeze_status(dd, 0);
6766 /* do send PIO unfreeze steps for kernel contexts */
6767 pio_kernel_unfreeze(dd);
6769 /* do send DMA unfreeze steps */
6772 /* do send egress unfreeze steps - nothing to do */
6774 /* do receive unfreeze steps for kernel contexts */
6775 rxe_kernel_unfreeze(dd);
6778 * The unfreeze procedure touches global device registers when
6779 * it disables and re-enables RXE. Mark the device unfrozen
6780 * after all that is done so other parts of the driver waiting
6781 * for the device to unfreeze don't do things out of order.
6783 * The above implies that the meaning of HFI1_FROZEN flag is
6784 * "Device has gone into freeze mode and freeze mode handling
6785 * is still in progress."
6787 * The flag will be removed when freeze mode processing has
6790 dd->flags &= ~HFI1_FROZEN;
6791 wake_up(&dd->event_queue);
6793 /* no longer frozen */
6797 * Handle a link up interrupt from the 8051.
6799 * This is a work-queue function outside of the interrupt.
6801 void handle_link_up(struct work_struct *work)
6803 struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata,
6805 set_link_state(ppd, HLS_UP_INIT);
6807 /* cache the read of DC_LCB_STS_ROUND_TRIP_LTP_CNT */
6808 read_ltp_rtt(ppd->dd);
6810 * OPA specifies that certain counters are cleared on a transition
6811 * to link up, so do that.
6813 clear_linkup_counters(ppd->dd);
6815 * And (re)set link up default values.
6817 set_linkup_defaults(ppd);
6819 /* enforce link speed enabled */
6820 if ((ppd->link_speed_active & ppd->link_speed_enabled) == 0) {
6821 /* oops - current speed is not enabled, bounce */
6823 "Link speed active 0x%x is outside enabled 0x%x, downing link\n",
6824 ppd->link_speed_active, ppd->link_speed_enabled);
6825 set_link_down_reason(ppd, OPA_LINKDOWN_REASON_SPEED_POLICY, 0,
6826 OPA_LINKDOWN_REASON_SPEED_POLICY);
6827 set_link_state(ppd, HLS_DN_OFFLINE);
6834 * Several pieces of LNI information were cached for SMA in ppd.
6835 * Reset these on link down
6837 static void reset_neighbor_info(struct hfi1_pportdata *ppd)
6839 ppd->neighbor_guid = 0;
6840 ppd->neighbor_port_number = 0;
6841 ppd->neighbor_type = 0;
6842 ppd->neighbor_fm_security = 0;
6845 static const char * const link_down_reason_strs[] = {
6846 [OPA_LINKDOWN_REASON_NONE] = "None",
6847 [OPA_LINKDOWN_REASON_RCV_ERROR_0] = "Recive error 0",
6848 [OPA_LINKDOWN_REASON_BAD_PKT_LEN] = "Bad packet length",
6849 [OPA_LINKDOWN_REASON_PKT_TOO_LONG] = "Packet too long",
6850 [OPA_LINKDOWN_REASON_PKT_TOO_SHORT] = "Packet too short",
6851 [OPA_LINKDOWN_REASON_BAD_SLID] = "Bad SLID",
6852 [OPA_LINKDOWN_REASON_BAD_DLID] = "Bad DLID",
6853 [OPA_LINKDOWN_REASON_BAD_L2] = "Bad L2",
6854 [OPA_LINKDOWN_REASON_BAD_SC] = "Bad SC",
6855 [OPA_LINKDOWN_REASON_RCV_ERROR_8] = "Receive error 8",
6856 [OPA_LINKDOWN_REASON_BAD_MID_TAIL] = "Bad mid tail",
6857 [OPA_LINKDOWN_REASON_RCV_ERROR_10] = "Receive error 10",
6858 [OPA_LINKDOWN_REASON_PREEMPT_ERROR] = "Preempt error",
6859 [OPA_LINKDOWN_REASON_PREEMPT_VL15] = "Preempt vl15",
6860 [OPA_LINKDOWN_REASON_BAD_VL_MARKER] = "Bad VL marker",
6861 [OPA_LINKDOWN_REASON_RCV_ERROR_14] = "Receive error 14",
6862 [OPA_LINKDOWN_REASON_RCV_ERROR_15] = "Receive error 15",
6863 [OPA_LINKDOWN_REASON_BAD_HEAD_DIST] = "Bad head distance",
6864 [OPA_LINKDOWN_REASON_BAD_TAIL_DIST] = "Bad tail distance",
6865 [OPA_LINKDOWN_REASON_BAD_CTRL_DIST] = "Bad control distance",
6866 [OPA_LINKDOWN_REASON_BAD_CREDIT_ACK] = "Bad credit ack",
6867 [OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER] = "Unsupported VL marker",
6868 [OPA_LINKDOWN_REASON_BAD_PREEMPT] = "Bad preempt",
6869 [OPA_LINKDOWN_REASON_BAD_CONTROL_FLIT] = "Bad control flit",
6870 [OPA_LINKDOWN_REASON_EXCEED_MULTICAST_LIMIT] = "Exceed multicast limit",
6871 [OPA_LINKDOWN_REASON_RCV_ERROR_24] = "Receive error 24",
6872 [OPA_LINKDOWN_REASON_RCV_ERROR_25] = "Receive error 25",
6873 [OPA_LINKDOWN_REASON_RCV_ERROR_26] = "Receive error 26",
6874 [OPA_LINKDOWN_REASON_RCV_ERROR_27] = "Receive error 27",
6875 [OPA_LINKDOWN_REASON_RCV_ERROR_28] = "Receive error 28",
6876 [OPA_LINKDOWN_REASON_RCV_ERROR_29] = "Receive error 29",
6877 [OPA_LINKDOWN_REASON_RCV_ERROR_30] = "Receive error 30",
6878 [OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN] =
6879 "Excessive buffer overrun",
6880 [OPA_LINKDOWN_REASON_UNKNOWN] = "Unknown",
6881 [OPA_LINKDOWN_REASON_REBOOT] = "Reboot",
6882 [OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN] = "Neighbor unknown",
6883 [OPA_LINKDOWN_REASON_FM_BOUNCE] = "FM bounce",
6884 [OPA_LINKDOWN_REASON_SPEED_POLICY] = "Speed policy",
6885 [OPA_LINKDOWN_REASON_WIDTH_POLICY] = "Width policy",
6886 [OPA_LINKDOWN_REASON_DISCONNECTED] = "Disconnected",
6887 [OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED] =
6888 "Local media not installed",
6889 [OPA_LINKDOWN_REASON_NOT_INSTALLED] = "Not installed",
6890 [OPA_LINKDOWN_REASON_CHASSIS_CONFIG] = "Chassis config",
6891 [OPA_LINKDOWN_REASON_END_TO_END_NOT_INSTALLED] =
6892 "End to end not installed",
6893 [OPA_LINKDOWN_REASON_POWER_POLICY] = "Power policy",
6894 [OPA_LINKDOWN_REASON_LINKSPEED_POLICY] = "Link speed policy",
6895 [OPA_LINKDOWN_REASON_LINKWIDTH_POLICY] = "Link width policy",
6896 [OPA_LINKDOWN_REASON_SWITCH_MGMT] = "Switch management",
6897 [OPA_LINKDOWN_REASON_SMA_DISABLED] = "SMA disabled",
6898 [OPA_LINKDOWN_REASON_TRANSIENT] = "Transient"
6901 /* return the neighbor link down reason string */
6902 static const char *link_down_reason_str(u8 reason)
6904 const char *str = NULL;
6906 if (reason < ARRAY_SIZE(link_down_reason_strs))
6907 str = link_down_reason_strs[reason];
6915 * Handle a link down interrupt from the 8051.
6917 * This is a work-queue function outside of the interrupt.
6919 void handle_link_down(struct work_struct *work)
6921 u8 lcl_reason, neigh_reason = 0;
6922 u8 link_down_reason;
6923 struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata,
6926 static const char ldr_str[] = "Link down reason: ";
6928 if ((ppd->host_link_state &
6929 (HLS_DN_POLL | HLS_VERIFY_CAP | HLS_GOING_UP)) &&
6930 ppd->port_type == PORT_TYPE_FIXED)
6931 ppd->offline_disabled_reason =
6932 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NOT_INSTALLED);
6934 /* Go offline first, then deal with reading/writing through 8051 */
6935 was_up = !!(ppd->host_link_state & HLS_UP);
6936 set_link_state(ppd, HLS_DN_OFFLINE);
6940 /* link down reason is only valid if the link was up */
6941 read_link_down_reason(ppd->dd, &link_down_reason);
6942 switch (link_down_reason) {
6943 case LDR_LINK_TRANSFER_ACTIVE_LOW:
6944 /* the link went down, no idle message reason */
6945 dd_dev_info(ppd->dd, "%sUnexpected link down\n",
6948 case LDR_RECEIVED_LINKDOWN_IDLE_MSG:
6950 * The neighbor reason is only valid if an idle message
6951 * was received for it.
6953 read_planned_down_reason_code(ppd->dd, &neigh_reason);
6954 dd_dev_info(ppd->dd,
6955 "%sNeighbor link down message %d, %s\n",
6956 ldr_str, neigh_reason,
6957 link_down_reason_str(neigh_reason));
6959 case LDR_RECEIVED_HOST_OFFLINE_REQ:
6960 dd_dev_info(ppd->dd,
6961 "%sHost requested link to go offline\n",
6965 dd_dev_info(ppd->dd, "%sUnknown reason 0x%x\n",
6966 ldr_str, link_down_reason);
6971 * If no reason, assume peer-initiated but missed
6972 * LinkGoingDown idle flits.
6974 if (neigh_reason == 0)
6975 lcl_reason = OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN;
6977 /* went down while polling or going up */
6978 lcl_reason = OPA_LINKDOWN_REASON_TRANSIENT;
6981 set_link_down_reason(ppd, lcl_reason, neigh_reason, 0);
6983 /* inform the SMA when the link transitions from up to down */
6984 if (was_up && ppd->local_link_down_reason.sma == 0 &&
6985 ppd->neigh_link_down_reason.sma == 0) {
6986 ppd->local_link_down_reason.sma =
6987 ppd->local_link_down_reason.latest;
6988 ppd->neigh_link_down_reason.sma =
6989 ppd->neigh_link_down_reason.latest;
6992 reset_neighbor_info(ppd);
6994 /* disable the port */
6995 clear_rcvctrl(ppd->dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
6998 * If there is no cable attached, turn the DC off. Otherwise,
6999 * start the link bring up.
7001 if (ppd->port_type == PORT_TYPE_QSFP && !qsfp_mod_present(ppd)) {
7002 dc_shutdown(ppd->dd);
7009 void handle_link_bounce(struct work_struct *work)
7011 struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata,
7015 * Only do something if the link is currently up.
7017 if (ppd->host_link_state & HLS_UP) {
7018 set_link_state(ppd, HLS_DN_OFFLINE);
7022 dd_dev_info(ppd->dd, "%s: link not up (%s), nothing to do\n",
7023 __func__, link_state_name(ppd->host_link_state));
7028 * Mask conversion: Capability exchange to Port LTP. The capability
7029 * exchange has an implicit 16b CRC that is mandatory.
7031 static int cap_to_port_ltp(int cap)
7033 int port_ltp = PORT_LTP_CRC_MODE_16; /* this mode is mandatory */
7035 if (cap & CAP_CRC_14B)
7036 port_ltp |= PORT_LTP_CRC_MODE_14;
7037 if (cap & CAP_CRC_48B)
7038 port_ltp |= PORT_LTP_CRC_MODE_48;
7039 if (cap & CAP_CRC_12B_16B_PER_LANE)
7040 port_ltp |= PORT_LTP_CRC_MODE_PER_LANE;
7046 * Convert an OPA Port LTP mask to capability mask
7048 int port_ltp_to_cap(int port_ltp)
7052 if (port_ltp & PORT_LTP_CRC_MODE_14)
7053 cap_mask |= CAP_CRC_14B;
7054 if (port_ltp & PORT_LTP_CRC_MODE_48)
7055 cap_mask |= CAP_CRC_48B;
7056 if (port_ltp & PORT_LTP_CRC_MODE_PER_LANE)
7057 cap_mask |= CAP_CRC_12B_16B_PER_LANE;
7063 * Convert a single DC LCB CRC mode to an OPA Port LTP mask.
7065 static int lcb_to_port_ltp(int lcb_crc)
7069 if (lcb_crc == LCB_CRC_12B_16B_PER_LANE)
7070 port_ltp = PORT_LTP_CRC_MODE_PER_LANE;
7071 else if (lcb_crc == LCB_CRC_48B)
7072 port_ltp = PORT_LTP_CRC_MODE_48;
7073 else if (lcb_crc == LCB_CRC_14B)
7074 port_ltp = PORT_LTP_CRC_MODE_14;
7076 port_ltp = PORT_LTP_CRC_MODE_16;
7082 * Our neighbor has indicated that we are allowed to act as a fabric
7083 * manager, so place the full management partition key in the second
7084 * (0-based) pkey array position (see OPAv1, section 20.2.2.6.8). Note
7085 * that we should already have the limited management partition key in
7086 * array element 1, and also that the port is not yet up when
7087 * add_full_mgmt_pkey() is invoked.
7089 static void add_full_mgmt_pkey(struct hfi1_pportdata *ppd)
7091 struct hfi1_devdata *dd = ppd->dd;
7093 /* Sanity check - ppd->pkeys[2] should be 0, or already initalized */
7094 if (!((ppd->pkeys[2] == 0) || (ppd->pkeys[2] == FULL_MGMT_P_KEY)))
7095 dd_dev_warn(dd, "%s pkey[2] already set to 0x%x, resetting it to 0x%x\n",
7096 __func__, ppd->pkeys[2], FULL_MGMT_P_KEY);
7097 ppd->pkeys[2] = FULL_MGMT_P_KEY;
7098 (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0);
7099 hfi1_event_pkey_change(ppd->dd, ppd->port);
7102 static void clear_full_mgmt_pkey(struct hfi1_pportdata *ppd)
7104 if (ppd->pkeys[2] != 0) {
7106 (void)hfi1_set_ib_cfg(ppd, HFI1_IB_CFG_PKEYS, 0);
7107 hfi1_event_pkey_change(ppd->dd, ppd->port);
7112 * Convert the given link width to the OPA link width bitmask.
7114 static u16 link_width_to_bits(struct hfi1_devdata *dd, u16 width)
7119 * Simulator and quick linkup do not set the width.
7120 * Just set it to 4x without complaint.
7122 if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR || quick_linkup)
7123 return OPA_LINK_WIDTH_4X;
7124 return 0; /* no lanes up */
7125 case 1: return OPA_LINK_WIDTH_1X;
7126 case 2: return OPA_LINK_WIDTH_2X;
7127 case 3: return OPA_LINK_WIDTH_3X;
7129 dd_dev_info(dd, "%s: invalid width %d, using 4\n",
7132 case 4: return OPA_LINK_WIDTH_4X;
7137 * Do a population count on the bottom nibble.
7139 static const u8 bit_counts[16] = {
7140 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4
7143 static inline u8 nibble_to_count(u8 nibble)
7145 return bit_counts[nibble & 0xf];
7149 * Read the active lane information from the 8051 registers and return
7152 * Active lane information is found in these 8051 registers:
7156 static void get_link_widths(struct hfi1_devdata *dd, u16 *tx_width,
7162 u8 tx_polarity_inversion;
7163 u8 rx_polarity_inversion;
7166 /* read the active lanes */
7167 read_tx_settings(dd, &enable_lane_tx, &tx_polarity_inversion,
7168 &rx_polarity_inversion, &max_rate);
7169 read_local_lni(dd, &enable_lane_rx);
7171 /* convert to counts */
7172 tx = nibble_to_count(enable_lane_tx);
7173 rx = nibble_to_count(enable_lane_rx);
7176 * Set link_speed_active here, overriding what was set in
7177 * handle_verify_cap(). The ASIC 8051 firmware does not correctly
7178 * set the max_rate field in handle_verify_cap until v0.19.
7180 if ((dd->icode == ICODE_RTL_SILICON) &&
7181 (dd->dc8051_ver < dc8051_ver(0, 19))) {
7182 /* max_rate: 0 = 12.5G, 1 = 25G */
7185 dd->pport[0].link_speed_active = OPA_LINK_SPEED_12_5G;
7189 "%s: unexpected max rate %d, using 25Gb\n",
7190 __func__, (int)max_rate);
7193 dd->pport[0].link_speed_active = OPA_LINK_SPEED_25G;
7199 "Fabric active lanes (width): tx 0x%x (%d), rx 0x%x (%d)\n",
7200 enable_lane_tx, tx, enable_lane_rx, rx);
7201 *tx_width = link_width_to_bits(dd, tx);
7202 *rx_width = link_width_to_bits(dd, rx);
7206 * Read verify_cap_local_fm_link_width[1] to obtain the link widths.
7207 * Valid after the end of VerifyCap and during LinkUp. Does not change
7208 * after link up. I.e. look elsewhere for downgrade information.
7211 * + bits [7:4] contain the number of active transmitters
7212 * + bits [3:0] contain the number of active receivers
7213 * These are numbers 1 through 4 and can be different values if the
7214 * link is asymmetric.
7216 * verify_cap_local_fm_link_width[0] retains its original value.
7218 static void get_linkup_widths(struct hfi1_devdata *dd, u16 *tx_width,
7222 u8 misc_bits, local_flags;
7223 u16 active_tx, active_rx;
7225 read_vc_local_link_width(dd, &misc_bits, &local_flags, &widths);
7227 rx = (widths >> 8) & 0xf;
7229 *tx_width = link_width_to_bits(dd, tx);
7230 *rx_width = link_width_to_bits(dd, rx);
7232 /* print the active widths */
7233 get_link_widths(dd, &active_tx, &active_rx);
7237 * Set ppd->link_width_active and ppd->link_width_downgrade_active using
7238 * hardware information when the link first comes up.
7240 * The link width is not available until after VerifyCap.AllFramesReceived
7241 * (the trigger for handle_verify_cap), so this is outside that routine
7242 * and should be called when the 8051 signals linkup.
7244 void get_linkup_link_widths(struct hfi1_pportdata *ppd)
7246 u16 tx_width, rx_width;
7248 /* get end-of-LNI link widths */
7249 get_linkup_widths(ppd->dd, &tx_width, &rx_width);
7251 /* use tx_width as the link is supposed to be symmetric on link up */
7252 ppd->link_width_active = tx_width;
7253 /* link width downgrade active (LWD.A) starts out matching LW.A */
7254 ppd->link_width_downgrade_tx_active = ppd->link_width_active;
7255 ppd->link_width_downgrade_rx_active = ppd->link_width_active;
7256 /* per OPA spec, on link up LWD.E resets to LWD.S */
7257 ppd->link_width_downgrade_enabled = ppd->link_width_downgrade_supported;
7258 /* cache the active egress rate (units {10^6 bits/sec]) */
7259 ppd->current_egress_rate = active_egress_rate(ppd);
7263 * Handle a verify capabilities interrupt from the 8051.
7265 * This is a work-queue function outside of the interrupt.
7267 void handle_verify_cap(struct work_struct *work)
7269 struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata,
7271 struct hfi1_devdata *dd = ppd->dd;
7273 u8 power_management;
7283 u16 active_tx, active_rx;
7284 u8 partner_supported_crc;
7288 set_link_state(ppd, HLS_VERIFY_CAP);
7290 lcb_shutdown(dd, 0);
7291 adjust_lcb_for_fpga_serdes(dd);
7294 * These are now valid:
7295 * remote VerifyCap fields in the general LNI config
7296 * CSR DC8051_STS_REMOTE_GUID
7297 * CSR DC8051_STS_REMOTE_NODE_TYPE
7298 * CSR DC8051_STS_REMOTE_FM_SECURITY
7299 * CSR DC8051_STS_REMOTE_PORT_NO
7302 read_vc_remote_phy(dd, &power_management, &continious);
7303 read_vc_remote_fabric(dd, &vau, &z, &vcu, &vl15buf,
7304 &partner_supported_crc);
7305 read_vc_remote_link_width(dd, &remote_tx_rate, &link_widths);
7306 read_remote_device_id(dd, &device_id, &device_rev);
7308 * And the 'MgmtAllowed' information, which is exchanged during
7309 * LNI, is also be available at this point.
7311 read_mgmt_allowed(dd, &ppd->mgmt_allowed);
7312 /* print the active widths */
7313 get_link_widths(dd, &active_tx, &active_rx);
7315 "Peer PHY: power management 0x%x, continuous updates 0x%x\n",
7316 (int)power_management, (int)continious);
7318 "Peer Fabric: vAU %d, Z %d, vCU %d, vl15 credits 0x%x, CRC sizes 0x%x\n",
7319 (int)vau, (int)z, (int)vcu, (int)vl15buf,
7320 (int)partner_supported_crc);
7321 dd_dev_info(dd, "Peer Link Width: tx rate 0x%x, widths 0x%x\n",
7322 (u32)remote_tx_rate, (u32)link_widths);
7323 dd_dev_info(dd, "Peer Device ID: 0x%04x, Revision 0x%02x\n",
7324 (u32)device_id, (u32)device_rev);
7326 * The peer vAU value just read is the peer receiver value. HFI does
7327 * not support a transmit vAU of 0 (AU == 8). We advertised that
7328 * with Z=1 in the fabric capabilities sent to the peer. The peer
7329 * will see our Z=1, and, if it advertised a vAU of 0, will move its
7330 * receive to vAU of 1 (AU == 16). Do the same here. We do not care
7331 * about the peer Z value - our sent vAU is 3 (hardwired) and is not
7332 * subject to the Z value exception.
7336 set_up_vl15(dd, vau, vl15buf);
7338 /* set up the LCB CRC mode */
7339 crc_mask = ppd->port_crc_mode_enabled & partner_supported_crc;
7341 /* order is important: use the lowest bit in common */
7342 if (crc_mask & CAP_CRC_14B)
7343 crc_val = LCB_CRC_14B;
7344 else if (crc_mask & CAP_CRC_48B)
7345 crc_val = LCB_CRC_48B;
7346 else if (crc_mask & CAP_CRC_12B_16B_PER_LANE)
7347 crc_val = LCB_CRC_12B_16B_PER_LANE;
7349 crc_val = LCB_CRC_16B;
7351 dd_dev_info(dd, "Final LCB CRC mode: %d\n", (int)crc_val);
7352 write_csr(dd, DC_LCB_CFG_CRC_MODE,
7353 (u64)crc_val << DC_LCB_CFG_CRC_MODE_TX_VAL_SHIFT);
7355 /* set (14b only) or clear sideband credit */
7356 reg = read_csr(dd, SEND_CM_CTRL);
7357 if (crc_val == LCB_CRC_14B && crc_14b_sideband) {
7358 write_csr(dd, SEND_CM_CTRL,
7359 reg | SEND_CM_CTRL_FORCE_CREDIT_MODE_SMASK);
7361 write_csr(dd, SEND_CM_CTRL,
7362 reg & ~SEND_CM_CTRL_FORCE_CREDIT_MODE_SMASK);
7365 ppd->link_speed_active = 0; /* invalid value */
7366 if (dd->dc8051_ver < dc8051_ver(0, 20)) {
7367 /* remote_tx_rate: 0 = 12.5G, 1 = 25G */
7368 switch (remote_tx_rate) {
7370 ppd->link_speed_active = OPA_LINK_SPEED_12_5G;
7373 ppd->link_speed_active = OPA_LINK_SPEED_25G;
7377 /* actual rate is highest bit of the ANDed rates */
7378 u8 rate = remote_tx_rate & ppd->local_tx_rate;
7381 ppd->link_speed_active = OPA_LINK_SPEED_25G;
7383 ppd->link_speed_active = OPA_LINK_SPEED_12_5G;
7385 if (ppd->link_speed_active == 0) {
7386 dd_dev_err(dd, "%s: unexpected remote tx rate %d, using 25Gb\n",
7387 __func__, (int)remote_tx_rate);
7388 ppd->link_speed_active = OPA_LINK_SPEED_25G;
7392 * Cache the values of the supported, enabled, and active
7393 * LTP CRC modes to return in 'portinfo' queries. But the bit
7394 * flags that are returned in the portinfo query differ from
7395 * what's in the link_crc_mask, crc_sizes, and crc_val
7396 * variables. Convert these here.
7398 ppd->port_ltp_crc_mode = cap_to_port_ltp(link_crc_mask) << 8;
7399 /* supported crc modes */
7400 ppd->port_ltp_crc_mode |=
7401 cap_to_port_ltp(ppd->port_crc_mode_enabled) << 4;
7402 /* enabled crc modes */
7403 ppd->port_ltp_crc_mode |= lcb_to_port_ltp(crc_val);
7404 /* active crc mode */
7406 /* set up the remote credit return table */
7407 assign_remote_cm_au_table(dd, vcu);
7410 * The LCB is reset on entry to handle_verify_cap(), so this must
7411 * be applied on every link up.
7413 * Adjust LCB error kill enable to kill the link if
7414 * these RBUF errors are seen:
7415 * REPLAY_BUF_MBE_SMASK
7416 * FLIT_INPUT_BUF_MBE_SMASK
7418 if (is_ax(dd)) { /* fixed in B0 */
7419 reg = read_csr(dd, DC_LCB_CFG_LINK_KILL_EN);
7420 reg |= DC_LCB_CFG_LINK_KILL_EN_REPLAY_BUF_MBE_SMASK
7421 | DC_LCB_CFG_LINK_KILL_EN_FLIT_INPUT_BUF_MBE_SMASK;
7422 write_csr(dd, DC_LCB_CFG_LINK_KILL_EN, reg);
7425 /* pull LCB fifos out of reset - all fifo clocks must be stable */
7426 write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0);
7428 /* give 8051 access to the LCB CSRs */
7429 write_csr(dd, DC_LCB_ERR_EN, 0); /* mask LCB errors */
7430 set_8051_lcb_access(dd);
7432 ppd->neighbor_guid =
7433 read_csr(dd, DC_DC8051_STS_REMOTE_GUID);
7434 ppd->neighbor_port_number = read_csr(dd, DC_DC8051_STS_REMOTE_PORT_NO) &
7435 DC_DC8051_STS_REMOTE_PORT_NO_VAL_SMASK;
7436 ppd->neighbor_type =
7437 read_csr(dd, DC_DC8051_STS_REMOTE_NODE_TYPE) &
7438 DC_DC8051_STS_REMOTE_NODE_TYPE_VAL_MASK;
7439 ppd->neighbor_fm_security =
7440 read_csr(dd, DC_DC8051_STS_REMOTE_FM_SECURITY) &
7441 DC_DC8051_STS_LOCAL_FM_SECURITY_DISABLED_MASK;
7443 "Neighbor Guid: %llx Neighbor type %d MgmtAllowed %d FM security bypass %d\n",
7444 ppd->neighbor_guid, ppd->neighbor_type,
7445 ppd->mgmt_allowed, ppd->neighbor_fm_security);
7446 if (ppd->mgmt_allowed)
7447 add_full_mgmt_pkey(ppd);
7449 /* tell the 8051 to go to LinkUp */
7450 set_link_state(ppd, HLS_GOING_UP);
7454 * Apply the link width downgrade enabled policy against the current active
7457 * Called when the enabled policy changes or the active link widths change.
7459 void apply_link_downgrade_policy(struct hfi1_pportdata *ppd, int refresh_widths)
7466 /* use the hls lock to avoid a race with actual link up */
7469 mutex_lock(&ppd->hls_lock);
7470 /* only apply if the link is up */
7471 if (ppd->host_link_state & HLS_DOWN) {
7472 /* still going up..wait and retry */
7473 if (ppd->host_link_state & HLS_GOING_UP) {
7474 if (++tries < 1000) {
7475 mutex_unlock(&ppd->hls_lock);
7476 usleep_range(100, 120); /* arbitrary */
7480 "%s: giving up waiting for link state change\n",
7486 lwde = ppd->link_width_downgrade_enabled;
7488 if (refresh_widths) {
7489 get_link_widths(ppd->dd, &tx, &rx);
7490 ppd->link_width_downgrade_tx_active = tx;
7491 ppd->link_width_downgrade_rx_active = rx;
7494 if (ppd->link_width_downgrade_tx_active == 0 ||
7495 ppd->link_width_downgrade_rx_active == 0) {
7496 /* the 8051 reported a dead link as a downgrade */
7497 dd_dev_err(ppd->dd, "Link downgrade is really a link down, ignoring\n");
7498 } else if (lwde == 0) {
7499 /* downgrade is disabled */
7501 /* bounce if not at starting active width */
7502 if ((ppd->link_width_active !=
7503 ppd->link_width_downgrade_tx_active) ||
7504 (ppd->link_width_active !=
7505 ppd->link_width_downgrade_rx_active)) {
7507 "Link downgrade is disabled and link has downgraded, downing link\n");
7509 " original 0x%x, tx active 0x%x, rx active 0x%x\n",
7510 ppd->link_width_active,
7511 ppd->link_width_downgrade_tx_active,
7512 ppd->link_width_downgrade_rx_active);
7515 } else if ((lwde & ppd->link_width_downgrade_tx_active) == 0 ||
7516 (lwde & ppd->link_width_downgrade_rx_active) == 0) {
7517 /* Tx or Rx is outside the enabled policy */
7519 "Link is outside of downgrade allowed, downing link\n");
7521 " enabled 0x%x, tx active 0x%x, rx active 0x%x\n",
7522 lwde, ppd->link_width_downgrade_tx_active,
7523 ppd->link_width_downgrade_rx_active);
7528 mutex_unlock(&ppd->hls_lock);
7531 set_link_down_reason(ppd, OPA_LINKDOWN_REASON_WIDTH_POLICY, 0,
7532 OPA_LINKDOWN_REASON_WIDTH_POLICY);
7533 set_link_state(ppd, HLS_DN_OFFLINE);
7540 * Handle a link downgrade interrupt from the 8051.
7542 * This is a work-queue function outside of the interrupt.
7544 void handle_link_downgrade(struct work_struct *work)
7546 struct hfi1_pportdata *ppd = container_of(work, struct hfi1_pportdata,
7547 link_downgrade_work);
7549 dd_dev_info(ppd->dd, "8051: Link width downgrade\n");
7550 apply_link_downgrade_policy(ppd, 1);
7553 static char *dcc_err_string(char *buf, int buf_len, u64 flags)
7555 return flag_string(buf, buf_len, flags, dcc_err_flags,
7556 ARRAY_SIZE(dcc_err_flags));
7559 static char *lcb_err_string(char *buf, int buf_len, u64 flags)
7561 return flag_string(buf, buf_len, flags, lcb_err_flags,
7562 ARRAY_SIZE(lcb_err_flags));
7565 static char *dc8051_err_string(char *buf, int buf_len, u64 flags)
7567 return flag_string(buf, buf_len, flags, dc8051_err_flags,
7568 ARRAY_SIZE(dc8051_err_flags));
7571 static char *dc8051_info_err_string(char *buf, int buf_len, u64 flags)
7573 return flag_string(buf, buf_len, flags, dc8051_info_err_flags,
7574 ARRAY_SIZE(dc8051_info_err_flags));
7577 static char *dc8051_info_host_msg_string(char *buf, int buf_len, u64 flags)
7579 return flag_string(buf, buf_len, flags, dc8051_info_host_msg_flags,
7580 ARRAY_SIZE(dc8051_info_host_msg_flags));
7583 static void handle_8051_interrupt(struct hfi1_devdata *dd, u32 unused, u64 reg)
7585 struct hfi1_pportdata *ppd = dd->pport;
7586 u64 info, err, host_msg;
7587 int queue_link_down = 0;
7590 /* look at the flags */
7591 if (reg & DC_DC8051_ERR_FLG_SET_BY_8051_SMASK) {
7592 /* 8051 information set by firmware */
7593 /* read DC8051_DBG_ERR_INFO_SET_BY_8051 for details */
7594 info = read_csr(dd, DC_DC8051_DBG_ERR_INFO_SET_BY_8051);
7595 err = (info >> DC_DC8051_DBG_ERR_INFO_SET_BY_8051_ERROR_SHIFT)
7596 & DC_DC8051_DBG_ERR_INFO_SET_BY_8051_ERROR_MASK;
7598 DC_DC8051_DBG_ERR_INFO_SET_BY_8051_HOST_MSG_SHIFT)
7599 & DC_DC8051_DBG_ERR_INFO_SET_BY_8051_HOST_MSG_MASK;
7602 * Handle error flags.
7604 if (err & FAILED_LNI) {
7606 * LNI error indications are cleared by the 8051
7607 * only when starting polling. Only pay attention
7608 * to them when in the states that occur during
7611 if (ppd->host_link_state
7612 & (HLS_DN_POLL | HLS_VERIFY_CAP | HLS_GOING_UP)) {
7613 queue_link_down = 1;
7614 dd_dev_info(dd, "Link error: %s\n",
7615 dc8051_info_err_string(buf,
7620 err &= ~(u64)FAILED_LNI;
7622 /* unknown frames can happen durning LNI, just count */
7623 if (err & UNKNOWN_FRAME) {
7624 ppd->unknown_frame_count++;
7625 err &= ~(u64)UNKNOWN_FRAME;
7628 /* report remaining errors, but do not do anything */
7629 dd_dev_err(dd, "8051 info error: %s\n",
7630 dc8051_info_err_string(buf, sizeof(buf),
7635 * Handle host message flags.
7637 if (host_msg & HOST_REQ_DONE) {
7639 * Presently, the driver does a busy wait for
7640 * host requests to complete. This is only an
7641 * informational message.
7642 * NOTE: The 8051 clears the host message
7643 * information *on the next 8051 command*.
7644 * Therefore, when linkup is achieved,
7645 * this flag will still be set.
7647 host_msg &= ~(u64)HOST_REQ_DONE;
7649 if (host_msg & BC_SMA_MSG) {
7650 queue_work(ppd->hfi1_wq, &ppd->sma_message_work);
7651 host_msg &= ~(u64)BC_SMA_MSG;
7653 if (host_msg & LINKUP_ACHIEVED) {
7654 dd_dev_info(dd, "8051: Link up\n");
7655 queue_work(ppd->hfi1_wq, &ppd->link_up_work);
7656 host_msg &= ~(u64)LINKUP_ACHIEVED;
7658 if (host_msg & EXT_DEVICE_CFG_REQ) {
7659 handle_8051_request(ppd);
7660 host_msg &= ~(u64)EXT_DEVICE_CFG_REQ;
7662 if (host_msg & VERIFY_CAP_FRAME) {
7663 queue_work(ppd->hfi1_wq, &ppd->link_vc_work);
7664 host_msg &= ~(u64)VERIFY_CAP_FRAME;
7666 if (host_msg & LINK_GOING_DOWN) {
7667 const char *extra = "";
7668 /* no downgrade action needed if going down */
7669 if (host_msg & LINK_WIDTH_DOWNGRADED) {
7670 host_msg &= ~(u64)LINK_WIDTH_DOWNGRADED;
7671 extra = " (ignoring downgrade)";
7673 dd_dev_info(dd, "8051: Link down%s\n", extra);
7674 queue_link_down = 1;
7675 host_msg &= ~(u64)LINK_GOING_DOWN;
7677 if (host_msg & LINK_WIDTH_DOWNGRADED) {
7678 queue_work(ppd->hfi1_wq, &ppd->link_downgrade_work);
7679 host_msg &= ~(u64)LINK_WIDTH_DOWNGRADED;
7682 /* report remaining messages, but do not do anything */
7683 dd_dev_info(dd, "8051 info host message: %s\n",
7684 dc8051_info_host_msg_string(buf,
7689 reg &= ~DC_DC8051_ERR_FLG_SET_BY_8051_SMASK;
7691 if (reg & DC_DC8051_ERR_FLG_LOST_8051_HEART_BEAT_SMASK) {
7693 * Lost the 8051 heartbeat. If this happens, we
7694 * receive constant interrupts about it. Disable
7695 * the interrupt after the first.
7697 dd_dev_err(dd, "Lost 8051 heartbeat\n");
7698 write_csr(dd, DC_DC8051_ERR_EN,
7699 read_csr(dd, DC_DC8051_ERR_EN) &
7700 ~DC_DC8051_ERR_EN_LOST_8051_HEART_BEAT_SMASK);
7702 reg &= ~DC_DC8051_ERR_FLG_LOST_8051_HEART_BEAT_SMASK;
7705 /* report the error, but do not do anything */
7706 dd_dev_err(dd, "8051 error: %s\n",
7707 dc8051_err_string(buf, sizeof(buf), reg));
7710 if (queue_link_down) {
7712 * if the link is already going down or disabled, do not
7715 if ((ppd->host_link_state &
7716 (HLS_GOING_OFFLINE | HLS_LINK_COOLDOWN)) ||
7717 ppd->link_enabled == 0) {
7718 dd_dev_info(dd, "%s: not queuing link down\n",
7721 queue_work(ppd->hfi1_wq, &ppd->link_down_work);
7726 static const char * const fm_config_txt[] = {
7728 "BadHeadDist: Distance violation between two head flits",
7730 "BadTailDist: Distance violation between two tail flits",
7732 "BadCtrlDist: Distance violation between two credit control flits",
7734 "BadCrdAck: Credits return for unsupported VL",
7736 "UnsupportedVLMarker: Received VL Marker",
7738 "BadPreempt: Exceeded the preemption nesting level",
7740 "BadControlFlit: Received unsupported control flit",
7743 "UnsupportedVLMarker: Received VL Marker for unconfigured or disabled VL",
7746 static const char * const port_rcv_txt[] = {
7748 "BadPktLen: Illegal PktLen",
7750 "PktLenTooLong: Packet longer than PktLen",
7752 "PktLenTooShort: Packet shorter than PktLen",
7754 "BadSLID: Illegal SLID (0, using multicast as SLID, does not include security validation of SLID)",
7756 "BadDLID: Illegal DLID (0, doesn't match HFI)",
7758 "BadL2: Illegal L2 opcode",
7760 "BadSC: Unsupported SC",
7762 "BadRC: Illegal RC",
7764 "PreemptError: Preempting with same VL",
7766 "PreemptVL15: Preempting a VL15 packet",
7769 #define OPA_LDR_FMCONFIG_OFFSET 16
7770 #define OPA_LDR_PORTRCV_OFFSET 0
7771 static void handle_dcc_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
7773 u64 info, hdr0, hdr1;
7776 struct hfi1_pportdata *ppd = dd->pport;
7780 if (reg & DCC_ERR_FLG_UNCORRECTABLE_ERR_SMASK) {
7781 if (!(dd->err_info_uncorrectable & OPA_EI_STATUS_SMASK)) {
7782 info = read_csr(dd, DCC_ERR_INFO_UNCORRECTABLE);
7783 dd->err_info_uncorrectable = info & OPA_EI_CODE_SMASK;
7784 /* set status bit */
7785 dd->err_info_uncorrectable |= OPA_EI_STATUS_SMASK;
7787 reg &= ~DCC_ERR_FLG_UNCORRECTABLE_ERR_SMASK;
7790 if (reg & DCC_ERR_FLG_LINK_ERR_SMASK) {
7791 struct hfi1_pportdata *ppd = dd->pport;
7792 /* this counter saturates at (2^32) - 1 */
7793 if (ppd->link_downed < (u32)UINT_MAX)
7795 reg &= ~DCC_ERR_FLG_LINK_ERR_SMASK;
7798 if (reg & DCC_ERR_FLG_FMCONFIG_ERR_SMASK) {
7799 u8 reason_valid = 1;
7801 info = read_csr(dd, DCC_ERR_INFO_FMCONFIG);
7802 if (!(dd->err_info_fmconfig & OPA_EI_STATUS_SMASK)) {
7803 dd->err_info_fmconfig = info & OPA_EI_CODE_SMASK;
7804 /* set status bit */
7805 dd->err_info_fmconfig |= OPA_EI_STATUS_SMASK;
7815 extra = fm_config_txt[info];
7818 extra = fm_config_txt[info];
7819 if (ppd->port_error_action &
7820 OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER) {
7823 * lcl_reason cannot be derived from info
7827 OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER;
7832 snprintf(buf, sizeof(buf), "reserved%lld", info);
7837 if (reason_valid && !do_bounce) {
7838 do_bounce = ppd->port_error_action &
7839 (1 << (OPA_LDR_FMCONFIG_OFFSET + info));
7840 lcl_reason = info + OPA_LINKDOWN_REASON_BAD_HEAD_DIST;
7843 /* just report this */
7844 dd_dev_info(dd, "DCC Error: fmconfig error: %s\n", extra);
7845 reg &= ~DCC_ERR_FLG_FMCONFIG_ERR_SMASK;
7848 if (reg & DCC_ERR_FLG_RCVPORT_ERR_SMASK) {
7849 u8 reason_valid = 1;
7851 info = read_csr(dd, DCC_ERR_INFO_PORTRCV);
7852 hdr0 = read_csr(dd, DCC_ERR_INFO_PORTRCV_HDR0);
7853 hdr1 = read_csr(dd, DCC_ERR_INFO_PORTRCV_HDR1);
7854 if (!(dd->err_info_rcvport.status_and_code &
7855 OPA_EI_STATUS_SMASK)) {
7856 dd->err_info_rcvport.status_and_code =
7857 info & OPA_EI_CODE_SMASK;
7858 /* set status bit */
7859 dd->err_info_rcvport.status_and_code |=
7860 OPA_EI_STATUS_SMASK;
7862 * save first 2 flits in the packet that caused
7865 dd->err_info_rcvport.packet_flit1 = hdr0;
7866 dd->err_info_rcvport.packet_flit2 = hdr1;
7879 extra = port_rcv_txt[info];
7883 snprintf(buf, sizeof(buf), "reserved%lld", info);
7888 if (reason_valid && !do_bounce) {
7889 do_bounce = ppd->port_error_action &
7890 (1 << (OPA_LDR_PORTRCV_OFFSET + info));
7891 lcl_reason = info + OPA_LINKDOWN_REASON_RCV_ERROR_0;
7894 /* just report this */
7895 dd_dev_info(dd, "DCC Error: PortRcv error: %s\n", extra);
7896 dd_dev_info(dd, " hdr0 0x%llx, hdr1 0x%llx\n",
7899 reg &= ~DCC_ERR_FLG_RCVPORT_ERR_SMASK;
7902 if (reg & DCC_ERR_FLG_EN_CSR_ACCESS_BLOCKED_UC_SMASK) {
7903 /* informative only */
7904 dd_dev_info(dd, "8051 access to LCB blocked\n");
7905 reg &= ~DCC_ERR_FLG_EN_CSR_ACCESS_BLOCKED_UC_SMASK;
7907 if (reg & DCC_ERR_FLG_EN_CSR_ACCESS_BLOCKED_HOST_SMASK) {
7908 /* informative only */
7909 dd_dev_info(dd, "host access to LCB blocked\n");
7910 reg &= ~DCC_ERR_FLG_EN_CSR_ACCESS_BLOCKED_HOST_SMASK;
7913 /* report any remaining errors */
7915 dd_dev_info(dd, "DCC Error: %s\n",
7916 dcc_err_string(buf, sizeof(buf), reg));
7918 if (lcl_reason == 0)
7919 lcl_reason = OPA_LINKDOWN_REASON_UNKNOWN;
7922 dd_dev_info(dd, "%s: PortErrorAction bounce\n", __func__);
7923 set_link_down_reason(ppd, lcl_reason, 0, lcl_reason);
7924 queue_work(ppd->hfi1_wq, &ppd->link_bounce_work);
7928 static void handle_lcb_err(struct hfi1_devdata *dd, u32 unused, u64 reg)
7932 dd_dev_info(dd, "LCB Error: %s\n",
7933 lcb_err_string(buf, sizeof(buf), reg));
7937 * CCE block DC interrupt. Source is < 8.
7939 static void is_dc_int(struct hfi1_devdata *dd, unsigned int source)
7941 const struct err_reg_info *eri = &dc_errs[source];
7944 interrupt_clear_down(dd, 0, eri);
7945 } else if (source == 3 /* dc_lbm_int */) {
7947 * This indicates that a parity error has occurred on the
7948 * address/control lines presented to the LBM. The error
7949 * is a single pulse, there is no associated error flag,
7950 * and it is non-maskable. This is because if a parity
7951 * error occurs on the request the request is dropped.
7952 * This should never occur, but it is nice to know if it
7955 dd_dev_err(dd, "Parity error in DC LBM block\n");
7957 dd_dev_err(dd, "Invalid DC interrupt %u\n", source);
7962 * TX block send credit interrupt. Source is < 160.
7964 static void is_send_credit_int(struct hfi1_devdata *dd, unsigned int source)
7966 sc_group_release_update(dd, source);
7970 * TX block SDMA interrupt. Source is < 48.
7972 * SDMA interrupts are grouped by type:
7975 * N - 2N-1 = SDmaProgress
7976 * 2N - 3N-1 = SDmaIdle
7978 static void is_sdma_eng_int(struct hfi1_devdata *dd, unsigned int source)
7980 /* what interrupt */
7981 unsigned int what = source / TXE_NUM_SDMA_ENGINES;
7983 unsigned int which = source % TXE_NUM_SDMA_ENGINES;
7985 #ifdef CONFIG_SDMA_VERBOSITY
7986 dd_dev_err(dd, "CONFIG SDMA(%u) %s:%d %s()\n", which,
7987 slashstrip(__FILE__), __LINE__, __func__);
7988 sdma_dumpstate(&dd->per_sdma[which]);
7991 if (likely(what < 3 && which < dd->num_sdma)) {
7992 sdma_engine_interrupt(&dd->per_sdma[which], 1ull << source);
7994 /* should not happen */
7995 dd_dev_err(dd, "Invalid SDMA interrupt 0x%x\n", source);
8000 * RX block receive available interrupt. Source is < 160.
8002 static void is_rcv_avail_int(struct hfi1_devdata *dd, unsigned int source)
8004 struct hfi1_ctxtdata *rcd;
8007 if (likely(source < dd->num_rcv_contexts)) {
8008 rcd = dd->rcd[source];
8010 if (source < dd->first_user_ctxt)
8011 rcd->do_interrupt(rcd, 0);
8013 handle_user_interrupt(rcd);
8016 /* received an interrupt, but no rcd */
8017 err_detail = "dataless";
8019 /* received an interrupt, but are not using that context */
8020 err_detail = "out of range";
8022 dd_dev_err(dd, "unexpected %s receive available context interrupt %u\n",
8023 err_detail, source);
8027 * RX block receive urgent interrupt. Source is < 160.
8029 static void is_rcv_urgent_int(struct hfi1_devdata *dd, unsigned int source)
8031 struct hfi1_ctxtdata *rcd;
8034 if (likely(source < dd->num_rcv_contexts)) {
8035 rcd = dd->rcd[source];
8037 /* only pay attention to user urgent interrupts */
8038 if (source >= dd->first_user_ctxt)
8039 handle_user_interrupt(rcd);
8042 /* received an interrupt, but no rcd */
8043 err_detail = "dataless";
8045 /* received an interrupt, but are not using that context */
8046 err_detail = "out of range";
8048 dd_dev_err(dd, "unexpected %s receive urgent context interrupt %u\n",
8049 err_detail, source);
8053 * Reserved range interrupt. Should not be called in normal operation.
8055 static void is_reserved_int(struct hfi1_devdata *dd, unsigned int source)
8059 dd_dev_err(dd, "unexpected %s interrupt\n",
8060 is_reserved_name(name, sizeof(name), source));
8063 static const struct is_table is_table[] = {
8066 * name func interrupt func
8068 { IS_GENERAL_ERR_START, IS_GENERAL_ERR_END,
8069 is_misc_err_name, is_misc_err_int },
8070 { IS_SDMAENG_ERR_START, IS_SDMAENG_ERR_END,
8071 is_sdma_eng_err_name, is_sdma_eng_err_int },
8072 { IS_SENDCTXT_ERR_START, IS_SENDCTXT_ERR_END,
8073 is_sendctxt_err_name, is_sendctxt_err_int },
8074 { IS_SDMA_START, IS_SDMA_END,
8075 is_sdma_eng_name, is_sdma_eng_int },
8076 { IS_VARIOUS_START, IS_VARIOUS_END,
8077 is_various_name, is_various_int },
8078 { IS_DC_START, IS_DC_END,
8079 is_dc_name, is_dc_int },
8080 { IS_RCVAVAIL_START, IS_RCVAVAIL_END,
8081 is_rcv_avail_name, is_rcv_avail_int },
8082 { IS_RCVURGENT_START, IS_RCVURGENT_END,
8083 is_rcv_urgent_name, is_rcv_urgent_int },
8084 { IS_SENDCREDIT_START, IS_SENDCREDIT_END,
8085 is_send_credit_name, is_send_credit_int},
8086 { IS_RESERVED_START, IS_RESERVED_END,
8087 is_reserved_name, is_reserved_int},
8091 * Interrupt source interrupt - called when the given source has an interrupt.
8092 * Source is a bit index into an array of 64-bit integers.
8094 static void is_interrupt(struct hfi1_devdata *dd, unsigned int source)
8096 const struct is_table *entry;
8098 /* avoids a double compare by walking the table in-order */
8099 for (entry = &is_table[0]; entry->is_name; entry++) {
8100 if (source < entry->end) {
8101 trace_hfi1_interrupt(dd, entry, source);
8102 entry->is_int(dd, source - entry->start);
8106 /* fell off the end */
8107 dd_dev_err(dd, "invalid interrupt source %u\n", source);
8111 * General interrupt handler. This is able to correctly handle
8112 * all interrupts in case INTx is used.
8114 static irqreturn_t general_interrupt(int irq, void *data)
8116 struct hfi1_devdata *dd = data;
8117 u64 regs[CCE_NUM_INT_CSRS];
8121 this_cpu_inc(*dd->int_counter);
8123 /* phase 1: scan and clear all handled interrupts */
8124 for (i = 0; i < CCE_NUM_INT_CSRS; i++) {
8125 if (dd->gi_mask[i] == 0) {
8126 regs[i] = 0; /* used later */
8129 regs[i] = read_csr(dd, CCE_INT_STATUS + (8 * i)) &
8131 /* only clear if anything is set */
8133 write_csr(dd, CCE_INT_CLEAR + (8 * i), regs[i]);
8136 /* phase 2: call the appropriate handler */
8137 for_each_set_bit(bit, (unsigned long *)®s[0],
8138 CCE_NUM_INT_CSRS * 64) {
8139 is_interrupt(dd, bit);
8145 static irqreturn_t sdma_interrupt(int irq, void *data)
8147 struct sdma_engine *sde = data;
8148 struct hfi1_devdata *dd = sde->dd;
8151 #ifdef CONFIG_SDMA_VERBOSITY
8152 dd_dev_err(dd, "CONFIG SDMA(%u) %s:%d %s()\n", sde->this_idx,
8153 slashstrip(__FILE__), __LINE__, __func__);
8154 sdma_dumpstate(sde);
8157 this_cpu_inc(*dd->int_counter);
8159 /* This read_csr is really bad in the hot path */
8160 status = read_csr(dd,
8161 CCE_INT_STATUS + (8 * (IS_SDMA_START / 64)))
8163 if (likely(status)) {
8164 /* clear the interrupt(s) */
8166 CCE_INT_CLEAR + (8 * (IS_SDMA_START / 64)),
8169 /* handle the interrupt(s) */
8170 sdma_engine_interrupt(sde, status);
8172 dd_dev_err(dd, "SDMA engine %u interrupt, but no status bits set\n",
8179 * Clear the receive interrupt. Use a read of the interrupt clear CSR
8180 * to insure that the write completed. This does NOT guarantee that
8181 * queued DMA writes to memory from the chip are pushed.
8183 static inline void clear_recv_intr(struct hfi1_ctxtdata *rcd)
8185 struct hfi1_devdata *dd = rcd->dd;
8186 u32 addr = CCE_INT_CLEAR + (8 * rcd->ireg);
8188 mmiowb(); /* make sure everything before is written */
8189 write_csr(dd, addr, rcd->imask);
8190 /* force the above write on the chip and get a value back */
8191 (void)read_csr(dd, addr);
8194 /* force the receive interrupt */
8195 void force_recv_intr(struct hfi1_ctxtdata *rcd)
8197 write_csr(rcd->dd, CCE_INT_FORCE + (8 * rcd->ireg), rcd->imask);
8201 * Return non-zero if a packet is present.
8203 * This routine is called when rechecking for packets after the RcvAvail
8204 * interrupt has been cleared down. First, do a quick check of memory for
8205 * a packet present. If not found, use an expensive CSR read of the context
8206 * tail to determine the actual tail. The CSR read is necessary because there
8207 * is no method to push pending DMAs to memory other than an interrupt and we
8208 * are trying to determine if we need to force an interrupt.
8210 static inline int check_packet_present(struct hfi1_ctxtdata *rcd)
8215 if (!HFI1_CAP_IS_KSET(DMA_RTAIL))
8216 present = (rcd->seq_cnt ==
8217 rhf_rcv_seq(rhf_to_cpu(get_rhf_addr(rcd))));
8218 else /* is RDMA rtail */
8219 present = (rcd->head != get_rcvhdrtail(rcd));
8224 /* fall back to a CSR read, correct indpendent of DMA_RTAIL */
8225 tail = (u32)read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_TAIL);
8226 return rcd->head != tail;
8230 * Receive packet IRQ handler. This routine expects to be on its own IRQ.
8231 * This routine will try to handle packets immediately (latency), but if
8232 * it finds too many, it will invoke the thread handler (bandwitdh). The
8233 * chip receive interrupt is *not* cleared down until this or the thread (if
8234 * invoked) is finished. The intent is to avoid extra interrupts while we
8235 * are processing packets anyway.
8237 static irqreturn_t receive_context_interrupt(int irq, void *data)
8239 struct hfi1_ctxtdata *rcd = data;
8240 struct hfi1_devdata *dd = rcd->dd;
8244 trace_hfi1_receive_interrupt(dd, rcd->ctxt);
8245 this_cpu_inc(*dd->int_counter);
8246 aspm_ctx_disable(rcd);
8248 /* receive interrupt remains blocked while processing packets */
8249 disposition = rcd->do_interrupt(rcd, 0);
8252 * Too many packets were seen while processing packets in this
8253 * IRQ handler. Invoke the handler thread. The receive interrupt
8256 if (disposition == RCV_PKT_LIMIT)
8257 return IRQ_WAKE_THREAD;
8260 * The packet processor detected no more packets. Clear the receive
8261 * interrupt and recheck for a packet packet that may have arrived
8262 * after the previous check and interrupt clear. If a packet arrived,
8263 * force another interrupt.
8265 clear_recv_intr(rcd);
8266 present = check_packet_present(rcd);
8268 force_recv_intr(rcd);
8274 * Receive packet thread handler. This expects to be invoked with the
8275 * receive interrupt still blocked.
8277 static irqreturn_t receive_context_thread(int irq, void *data)
8279 struct hfi1_ctxtdata *rcd = data;
8282 /* receive interrupt is still blocked from the IRQ handler */
8283 (void)rcd->do_interrupt(rcd, 1);
8286 * The packet processor will only return if it detected no more
8287 * packets. Hold IRQs here so we can safely clear the interrupt and
8288 * recheck for a packet that may have arrived after the previous
8289 * check and the interrupt clear. If a packet arrived, force another
8292 local_irq_disable();
8293 clear_recv_intr(rcd);
8294 present = check_packet_present(rcd);
8296 force_recv_intr(rcd);
8302 /* ========================================================================= */
8304 u32 read_physical_state(struct hfi1_devdata *dd)
8308 reg = read_csr(dd, DC_DC8051_STS_CUR_STATE);
8309 return (reg >> DC_DC8051_STS_CUR_STATE_PORT_SHIFT)
8310 & DC_DC8051_STS_CUR_STATE_PORT_MASK;
8313 u32 read_logical_state(struct hfi1_devdata *dd)
8317 reg = read_csr(dd, DCC_CFG_PORT_CONFIG);
8318 return (reg >> DCC_CFG_PORT_CONFIG_LINK_STATE_SHIFT)
8319 & DCC_CFG_PORT_CONFIG_LINK_STATE_MASK;
8322 static void set_logical_state(struct hfi1_devdata *dd, u32 chip_lstate)
8326 reg = read_csr(dd, DCC_CFG_PORT_CONFIG);
8327 /* clear current state, set new state */
8328 reg &= ~DCC_CFG_PORT_CONFIG_LINK_STATE_SMASK;
8329 reg |= (u64)chip_lstate << DCC_CFG_PORT_CONFIG_LINK_STATE_SHIFT;
8330 write_csr(dd, DCC_CFG_PORT_CONFIG, reg);
8334 * Use the 8051 to read a LCB CSR.
8336 static int read_lcb_via_8051(struct hfi1_devdata *dd, u32 addr, u64 *data)
8341 if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR) {
8342 if (acquire_lcb_access(dd, 0) == 0) {
8343 *data = read_csr(dd, addr);
8344 release_lcb_access(dd, 0);
8350 /* register is an index of LCB registers: (offset - base) / 8 */
8351 regno = (addr - DC_LCB_CFG_RUN) >> 3;
8352 ret = do_8051_command(dd, HCMD_READ_LCB_CSR, regno, data);
8353 if (ret != HCMD_SUCCESS)
8359 * Read an LCB CSR. Access may not be in host control, so check.
8360 * Return 0 on success, -EBUSY on failure.
8362 int read_lcb_csr(struct hfi1_devdata *dd, u32 addr, u64 *data)
8364 struct hfi1_pportdata *ppd = dd->pport;
8366 /* if up, go through the 8051 for the value */
8367 if (ppd->host_link_state & HLS_UP)
8368 return read_lcb_via_8051(dd, addr, data);
8369 /* if going up or down, no access */
8370 if (ppd->host_link_state & (HLS_GOING_UP | HLS_GOING_OFFLINE))
8372 /* otherwise, host has access */
8373 *data = read_csr(dd, addr);
8378 * Use the 8051 to write a LCB CSR.
8380 static int write_lcb_via_8051(struct hfi1_devdata *dd, u32 addr, u64 data)
8385 if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR ||
8386 (dd->dc8051_ver < dc8051_ver(0, 20))) {
8387 if (acquire_lcb_access(dd, 0) == 0) {
8388 write_csr(dd, addr, data);
8389 release_lcb_access(dd, 0);
8395 /* register is an index of LCB registers: (offset - base) / 8 */
8396 regno = (addr - DC_LCB_CFG_RUN) >> 3;
8397 ret = do_8051_command(dd, HCMD_WRITE_LCB_CSR, regno, &data);
8398 if (ret != HCMD_SUCCESS)
8404 * Write an LCB CSR. Access may not be in host control, so check.
8405 * Return 0 on success, -EBUSY on failure.
8407 int write_lcb_csr(struct hfi1_devdata *dd, u32 addr, u64 data)
8409 struct hfi1_pportdata *ppd = dd->pport;
8411 /* if up, go through the 8051 for the value */
8412 if (ppd->host_link_state & HLS_UP)
8413 return write_lcb_via_8051(dd, addr, data);
8414 /* if going up or down, no access */
8415 if (ppd->host_link_state & (HLS_GOING_UP | HLS_GOING_OFFLINE))
8417 /* otherwise, host has access */
8418 write_csr(dd, addr, data);
8424 * < 0 = Linux error, not able to get access
8425 * > 0 = 8051 command RETURN_CODE
8427 static int do_8051_command(
8428 struct hfi1_devdata *dd,
8435 unsigned long flags;
8436 unsigned long timeout;
8438 hfi1_cdbg(DC8051, "type %d, data 0x%012llx", type, in_data);
8441 * Alternative to holding the lock for a long time:
8442 * - keep busy wait - have other users bounce off
8444 spin_lock_irqsave(&dd->dc8051_lock, flags);
8446 /* We can't send any commands to the 8051 if it's in reset */
8447 if (dd->dc_shutdown) {
8448 return_code = -ENODEV;
8453 * If an 8051 host command timed out previously, then the 8051 is
8456 * On first timeout, attempt to reset and restart the entire DC
8457 * block (including 8051). (Is this too big of a hammer?)
8459 * If the 8051 times out a second time, the reset did not bring it
8460 * back to healthy life. In that case, fail any subsequent commands.
8462 if (dd->dc8051_timed_out) {
8463 if (dd->dc8051_timed_out > 1) {
8465 "Previous 8051 host command timed out, skipping command %u\n",
8467 return_code = -ENXIO;
8470 spin_unlock_irqrestore(&dd->dc8051_lock, flags);
8473 spin_lock_irqsave(&dd->dc8051_lock, flags);
8477 * If there is no timeout, then the 8051 command interface is
8478 * waiting for a command.
8482 * When writing a LCB CSR, out_data contains the full value to
8483 * to be written, while in_data contains the relative LCB
8484 * address in 7:0. Do the work here, rather than the caller,
8485 * of distrubting the write data to where it needs to go:
8488 * 39:00 -> in_data[47:8]
8489 * 47:40 -> DC8051_CFG_EXT_DEV_0.RETURN_CODE
8490 * 63:48 -> DC8051_CFG_EXT_DEV_0.RSP_DATA
8492 if (type == HCMD_WRITE_LCB_CSR) {
8493 in_data |= ((*out_data) & 0xffffffffffull) << 8;
8494 reg = ((((*out_data) >> 40) & 0xff) <<
8495 DC_DC8051_CFG_EXT_DEV_0_RETURN_CODE_SHIFT)
8496 | ((((*out_data) >> 48) & 0xffff) <<
8497 DC_DC8051_CFG_EXT_DEV_0_RSP_DATA_SHIFT);
8498 write_csr(dd, DC_DC8051_CFG_EXT_DEV_0, reg);
8502 * Do two writes: the first to stabilize the type and req_data, the
8503 * second to activate.
8505 reg = ((u64)type & DC_DC8051_CFG_HOST_CMD_0_REQ_TYPE_MASK)
8506 << DC_DC8051_CFG_HOST_CMD_0_REQ_TYPE_SHIFT
8507 | (in_data & DC_DC8051_CFG_HOST_CMD_0_REQ_DATA_MASK)
8508 << DC_DC8051_CFG_HOST_CMD_0_REQ_DATA_SHIFT;
8509 write_csr(dd, DC_DC8051_CFG_HOST_CMD_0, reg);
8510 reg |= DC_DC8051_CFG_HOST_CMD_0_REQ_NEW_SMASK;
8511 write_csr(dd, DC_DC8051_CFG_HOST_CMD_0, reg);
8513 /* wait for completion, alternate: interrupt */
8514 timeout = jiffies + msecs_to_jiffies(DC8051_COMMAND_TIMEOUT);
8516 reg = read_csr(dd, DC_DC8051_CFG_HOST_CMD_1);
8517 completed = reg & DC_DC8051_CFG_HOST_CMD_1_COMPLETED_SMASK;
8520 if (time_after(jiffies, timeout)) {
8521 dd->dc8051_timed_out++;
8522 dd_dev_err(dd, "8051 host command %u timeout\n", type);
8525 return_code = -ETIMEDOUT;
8532 *out_data = (reg >> DC_DC8051_CFG_HOST_CMD_1_RSP_DATA_SHIFT)
8533 & DC_DC8051_CFG_HOST_CMD_1_RSP_DATA_MASK;
8534 if (type == HCMD_READ_LCB_CSR) {
8535 /* top 16 bits are in a different register */
8536 *out_data |= (read_csr(dd, DC_DC8051_CFG_EXT_DEV_1)
8537 & DC_DC8051_CFG_EXT_DEV_1_REQ_DATA_SMASK)
8539 - DC_DC8051_CFG_EXT_DEV_1_REQ_DATA_SHIFT);
8542 return_code = (reg >> DC_DC8051_CFG_HOST_CMD_1_RETURN_CODE_SHIFT)
8543 & DC_DC8051_CFG_HOST_CMD_1_RETURN_CODE_MASK;
8544 dd->dc8051_timed_out = 0;
8546 * Clear command for next user.
8548 write_csr(dd, DC_DC8051_CFG_HOST_CMD_0, 0);
8551 spin_unlock_irqrestore(&dd->dc8051_lock, flags);
8556 static int set_physical_link_state(struct hfi1_devdata *dd, u64 state)
8558 return do_8051_command(dd, HCMD_CHANGE_PHY_STATE, state, NULL);
8561 int load_8051_config(struct hfi1_devdata *dd, u8 field_id,
8562 u8 lane_id, u32 config_data)
8567 data = (u64)field_id << LOAD_DATA_FIELD_ID_SHIFT
8568 | (u64)lane_id << LOAD_DATA_LANE_ID_SHIFT
8569 | (u64)config_data << LOAD_DATA_DATA_SHIFT;
8570 ret = do_8051_command(dd, HCMD_LOAD_CONFIG_DATA, data, NULL);
8571 if (ret != HCMD_SUCCESS) {
8573 "load 8051 config: field id %d, lane %d, err %d\n",
8574 (int)field_id, (int)lane_id, ret);
8580 * Read the 8051 firmware "registers". Use the RAM directly. Always
8581 * set the result, even on error.
8582 * Return 0 on success, -errno on failure
8584 int read_8051_config(struct hfi1_devdata *dd, u8 field_id, u8 lane_id,
8591 /* address start depends on the lane_id */
8593 addr = (4 * NUM_GENERAL_FIELDS)
8594 + (lane_id * 4 * NUM_LANE_FIELDS);
8597 addr += field_id * 4;
8599 /* read is in 8-byte chunks, hardware will truncate the address down */
8600 ret = read_8051_data(dd, addr, 8, &big_data);
8603 /* extract the 4 bytes we want */
8605 *result = (u32)(big_data >> 32);
8607 *result = (u32)big_data;
8610 dd_dev_err(dd, "%s: direct read failed, lane %d, field %d!\n",
8611 __func__, lane_id, field_id);
8617 static int write_vc_local_phy(struct hfi1_devdata *dd, u8 power_management,
8622 frame = continuous << CONTINIOUS_REMOTE_UPDATE_SUPPORT_SHIFT
8623 | power_management << POWER_MANAGEMENT_SHIFT;
8624 return load_8051_config(dd, VERIFY_CAP_LOCAL_PHY,
8625 GENERAL_CONFIG, frame);
8628 static int write_vc_local_fabric(struct hfi1_devdata *dd, u8 vau, u8 z, u8 vcu,
8629 u16 vl15buf, u8 crc_sizes)
8633 frame = (u32)vau << VAU_SHIFT
8635 | (u32)vcu << VCU_SHIFT
8636 | (u32)vl15buf << VL15BUF_SHIFT
8637 | (u32)crc_sizes << CRC_SIZES_SHIFT;
8638 return load_8051_config(dd, VERIFY_CAP_LOCAL_FABRIC,
8639 GENERAL_CONFIG, frame);
8642 static void read_vc_local_link_width(struct hfi1_devdata *dd, u8 *misc_bits,
8643 u8 *flag_bits, u16 *link_widths)
8647 read_8051_config(dd, VERIFY_CAP_LOCAL_LINK_WIDTH, GENERAL_CONFIG,
8649 *misc_bits = (frame >> MISC_CONFIG_BITS_SHIFT) & MISC_CONFIG_BITS_MASK;
8650 *flag_bits = (frame >> LOCAL_FLAG_BITS_SHIFT) & LOCAL_FLAG_BITS_MASK;
8651 *link_widths = (frame >> LINK_WIDTH_SHIFT) & LINK_WIDTH_MASK;
8654 static int write_vc_local_link_width(struct hfi1_devdata *dd,
8661 frame = (u32)misc_bits << MISC_CONFIG_BITS_SHIFT
8662 | (u32)flag_bits << LOCAL_FLAG_BITS_SHIFT
8663 | (u32)link_widths << LINK_WIDTH_SHIFT;
8664 return load_8051_config(dd, VERIFY_CAP_LOCAL_LINK_WIDTH, GENERAL_CONFIG,
8668 static int write_local_device_id(struct hfi1_devdata *dd, u16 device_id,
8673 frame = ((u32)device_id << LOCAL_DEVICE_ID_SHIFT)
8674 | ((u32)device_rev << LOCAL_DEVICE_REV_SHIFT);
8675 return load_8051_config(dd, LOCAL_DEVICE_ID, GENERAL_CONFIG, frame);
8678 static void read_remote_device_id(struct hfi1_devdata *dd, u16 *device_id,
8683 read_8051_config(dd, REMOTE_DEVICE_ID, GENERAL_CONFIG, &frame);
8684 *device_id = (frame >> REMOTE_DEVICE_ID_SHIFT) & REMOTE_DEVICE_ID_MASK;
8685 *device_rev = (frame >> REMOTE_DEVICE_REV_SHIFT)
8686 & REMOTE_DEVICE_REV_MASK;
8689 void read_misc_status(struct hfi1_devdata *dd, u8 *ver_a, u8 *ver_b)
8693 read_8051_config(dd, MISC_STATUS, GENERAL_CONFIG, &frame);
8694 *ver_a = (frame >> STS_FM_VERSION_A_SHIFT) & STS_FM_VERSION_A_MASK;
8695 *ver_b = (frame >> STS_FM_VERSION_B_SHIFT) & STS_FM_VERSION_B_MASK;
8698 static void read_vc_remote_phy(struct hfi1_devdata *dd, u8 *power_management,
8703 read_8051_config(dd, VERIFY_CAP_REMOTE_PHY, GENERAL_CONFIG, &frame);
8704 *power_management = (frame >> POWER_MANAGEMENT_SHIFT)
8705 & POWER_MANAGEMENT_MASK;
8706 *continuous = (frame >> CONTINIOUS_REMOTE_UPDATE_SUPPORT_SHIFT)
8707 & CONTINIOUS_REMOTE_UPDATE_SUPPORT_MASK;
8710 static void read_vc_remote_fabric(struct hfi1_devdata *dd, u8 *vau, u8 *z,
8711 u8 *vcu, u16 *vl15buf, u8 *crc_sizes)
8715 read_8051_config(dd, VERIFY_CAP_REMOTE_FABRIC, GENERAL_CONFIG, &frame);
8716 *vau = (frame >> VAU_SHIFT) & VAU_MASK;
8717 *z = (frame >> Z_SHIFT) & Z_MASK;
8718 *vcu = (frame >> VCU_SHIFT) & VCU_MASK;
8719 *vl15buf = (frame >> VL15BUF_SHIFT) & VL15BUF_MASK;
8720 *crc_sizes = (frame >> CRC_SIZES_SHIFT) & CRC_SIZES_MASK;
8723 static void read_vc_remote_link_width(struct hfi1_devdata *dd,
8729 read_8051_config(dd, VERIFY_CAP_REMOTE_LINK_WIDTH, GENERAL_CONFIG,
8731 *remote_tx_rate = (frame >> REMOTE_TX_RATE_SHIFT)
8732 & REMOTE_TX_RATE_MASK;
8733 *link_widths = (frame >> LINK_WIDTH_SHIFT) & LINK_WIDTH_MASK;
8736 static void read_local_lni(struct hfi1_devdata *dd, u8 *enable_lane_rx)
8740 read_8051_config(dd, LOCAL_LNI_INFO, GENERAL_CONFIG, &frame);
8741 *enable_lane_rx = (frame >> ENABLE_LANE_RX_SHIFT) & ENABLE_LANE_RX_MASK;
8744 static void read_mgmt_allowed(struct hfi1_devdata *dd, u8 *mgmt_allowed)
8748 read_8051_config(dd, REMOTE_LNI_INFO, GENERAL_CONFIG, &frame);
8749 *mgmt_allowed = (frame >> MGMT_ALLOWED_SHIFT) & MGMT_ALLOWED_MASK;
8752 static void read_last_local_state(struct hfi1_devdata *dd, u32 *lls)
8754 read_8051_config(dd, LAST_LOCAL_STATE_COMPLETE, GENERAL_CONFIG, lls);
8757 static void read_last_remote_state(struct hfi1_devdata *dd, u32 *lrs)
8759 read_8051_config(dd, LAST_REMOTE_STATE_COMPLETE, GENERAL_CONFIG, lrs);
8762 void hfi1_read_link_quality(struct hfi1_devdata *dd, u8 *link_quality)
8768 if (dd->pport->host_link_state & HLS_UP) {
8769 ret = read_8051_config(dd, LINK_QUALITY_INFO, GENERAL_CONFIG,
8772 *link_quality = (frame >> LINK_QUALITY_SHIFT)
8773 & LINK_QUALITY_MASK;
8777 static void read_planned_down_reason_code(struct hfi1_devdata *dd, u8 *pdrrc)
8781 read_8051_config(dd, LINK_QUALITY_INFO, GENERAL_CONFIG, &frame);
8782 *pdrrc = (frame >> DOWN_REMOTE_REASON_SHIFT) & DOWN_REMOTE_REASON_MASK;
8785 static void read_link_down_reason(struct hfi1_devdata *dd, u8 *ldr)
8789 read_8051_config(dd, LINK_DOWN_REASON, GENERAL_CONFIG, &frame);
8790 *ldr = (frame & 0xff);
8793 static int read_tx_settings(struct hfi1_devdata *dd,
8795 u8 *tx_polarity_inversion,
8796 u8 *rx_polarity_inversion,
8802 ret = read_8051_config(dd, TX_SETTINGS, GENERAL_CONFIG, &frame);
8803 *enable_lane_tx = (frame >> ENABLE_LANE_TX_SHIFT)
8804 & ENABLE_LANE_TX_MASK;
8805 *tx_polarity_inversion = (frame >> TX_POLARITY_INVERSION_SHIFT)
8806 & TX_POLARITY_INVERSION_MASK;
8807 *rx_polarity_inversion = (frame >> RX_POLARITY_INVERSION_SHIFT)
8808 & RX_POLARITY_INVERSION_MASK;
8809 *max_rate = (frame >> MAX_RATE_SHIFT) & MAX_RATE_MASK;
8813 static int write_tx_settings(struct hfi1_devdata *dd,
8815 u8 tx_polarity_inversion,
8816 u8 rx_polarity_inversion,
8821 /* no need to mask, all variable sizes match field widths */
8822 frame = enable_lane_tx << ENABLE_LANE_TX_SHIFT
8823 | tx_polarity_inversion << TX_POLARITY_INVERSION_SHIFT
8824 | rx_polarity_inversion << RX_POLARITY_INVERSION_SHIFT
8825 | max_rate << MAX_RATE_SHIFT;
8826 return load_8051_config(dd, TX_SETTINGS, GENERAL_CONFIG, frame);
8829 static void check_fabric_firmware_versions(struct hfi1_devdata *dd)
8831 u32 frame, version, prod_id;
8835 for (lane = 0; lane < 4; lane++) {
8836 ret = read_8051_config(dd, SPICO_FW_VERSION, lane, &frame);
8839 "Unable to read lane %d firmware details\n",
8843 version = (frame >> SPICO_ROM_VERSION_SHIFT)
8844 & SPICO_ROM_VERSION_MASK;
8845 prod_id = (frame >> SPICO_ROM_PROD_ID_SHIFT)
8846 & SPICO_ROM_PROD_ID_MASK;
8848 "Lane %d firmware: version 0x%04x, prod_id 0x%04x\n",
8849 lane, version, prod_id);
8854 * Read an idle LCB message.
8856 * Returns 0 on success, -EINVAL on error
8858 static int read_idle_message(struct hfi1_devdata *dd, u64 type, u64 *data_out)
8862 ret = do_8051_command(dd, HCMD_READ_LCB_IDLE_MSG, type, data_out);
8863 if (ret != HCMD_SUCCESS) {
8864 dd_dev_err(dd, "read idle message: type %d, err %d\n",
8868 dd_dev_info(dd, "%s: read idle message 0x%llx\n", __func__, *data_out);
8869 /* return only the payload as we already know the type */
8870 *data_out >>= IDLE_PAYLOAD_SHIFT;
8875 * Read an idle SMA message. To be done in response to a notification from
8878 * Returns 0 on success, -EINVAL on error
8880 static int read_idle_sma(struct hfi1_devdata *dd, u64 *data)
8882 return read_idle_message(dd, (u64)IDLE_SMA << IDLE_MSG_TYPE_SHIFT,
8887 * Send an idle LCB message.
8889 * Returns 0 on success, -EINVAL on error
8891 static int send_idle_message(struct hfi1_devdata *dd, u64 data)
8895 dd_dev_info(dd, "%s: sending idle message 0x%llx\n", __func__, data);
8896 ret = do_8051_command(dd, HCMD_SEND_LCB_IDLE_MSG, data, NULL);
8897 if (ret != HCMD_SUCCESS) {
8898 dd_dev_err(dd, "send idle message: data 0x%llx, err %d\n",
8906 * Send an idle SMA message.
8908 * Returns 0 on success, -EINVAL on error
8910 int send_idle_sma(struct hfi1_devdata *dd, u64 message)
8914 data = ((message & IDLE_PAYLOAD_MASK) << IDLE_PAYLOAD_SHIFT) |
8915 ((u64)IDLE_SMA << IDLE_MSG_TYPE_SHIFT);
8916 return send_idle_message(dd, data);
8920 * Initialize the LCB then do a quick link up. This may or may not be
8923 * return 0 on success, -errno on error
8925 static int do_quick_linkup(struct hfi1_devdata *dd)
8928 unsigned long timeout;
8931 lcb_shutdown(dd, 0);
8934 /* LCB_CFG_LOOPBACK.VAL = 2 */
8935 /* LCB_CFG_LANE_WIDTH.VAL = 0 */
8936 write_csr(dd, DC_LCB_CFG_LOOPBACK,
8937 IB_PACKET_TYPE << DC_LCB_CFG_LOOPBACK_VAL_SHIFT);
8938 write_csr(dd, DC_LCB_CFG_LANE_WIDTH, 0);
8941 /* start the LCBs */
8942 /* LCB_CFG_TX_FIFOS_RESET.VAL = 0 */
8943 write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0);
8945 /* simulator only loopback steps */
8946 if (loopback && dd->icode == ICODE_FUNCTIONAL_SIMULATOR) {
8947 /* LCB_CFG_RUN.EN = 1 */
8948 write_csr(dd, DC_LCB_CFG_RUN,
8949 1ull << DC_LCB_CFG_RUN_EN_SHIFT);
8951 /* watch LCB_STS_LINK_TRANSFER_ACTIVE */
8952 timeout = jiffies + msecs_to_jiffies(10);
8954 reg = read_csr(dd, DC_LCB_STS_LINK_TRANSFER_ACTIVE);
8957 if (time_after(jiffies, timeout)) {
8959 "timeout waiting for LINK_TRANSFER_ACTIVE\n");
8965 write_csr(dd, DC_LCB_CFG_ALLOW_LINK_UP,
8966 1ull << DC_LCB_CFG_ALLOW_LINK_UP_VAL_SHIFT);
8971 * When doing quick linkup and not in loopback, both
8972 * sides must be done with LCB set-up before either
8973 * starts the quick linkup. Put a delay here so that
8974 * both sides can be started and have a chance to be
8975 * done with LCB set up before resuming.
8978 "Pausing for peer to be finished with LCB set up\n");
8980 dd_dev_err(dd, "Continuing with quick linkup\n");
8983 write_csr(dd, DC_LCB_ERR_EN, 0); /* mask LCB errors */
8984 set_8051_lcb_access(dd);
8987 * State "quick" LinkUp request sets the physical link state to
8988 * LinkUp without a verify capability sequence.
8989 * This state is in simulator v37 and later.
8991 ret = set_physical_link_state(dd, PLS_QUICK_LINKUP);
8992 if (ret != HCMD_SUCCESS) {
8994 "%s: set physical link state to quick LinkUp failed with return %d\n",
8997 set_host_lcb_access(dd);
8998 write_csr(dd, DC_LCB_ERR_EN, ~0ull); /* watch LCB errors */
9005 return 0; /* success */
9009 * Set the SerDes to internal loopback mode.
9010 * Returns 0 on success, -errno on error.
9012 static int set_serdes_loopback_mode(struct hfi1_devdata *dd)
9016 ret = set_physical_link_state(dd, PLS_INTERNAL_SERDES_LOOPBACK);
9017 if (ret == HCMD_SUCCESS)
9020 "Set physical link state to SerDes Loopback failed with return %d\n",
9028 * Do all special steps to set up loopback.
9030 static int init_loopback(struct hfi1_devdata *dd)
9032 dd_dev_info(dd, "Entering loopback mode\n");
9034 /* all loopbacks should disable self GUID check */
9035 write_csr(dd, DC_DC8051_CFG_MODE,
9036 (read_csr(dd, DC_DC8051_CFG_MODE) | DISABLE_SELF_GUID_CHECK));
9039 * The simulator has only one loopback option - LCB. Switch
9040 * to that option, which includes quick link up.
9042 * Accept all valid loopback values.
9044 if ((dd->icode == ICODE_FUNCTIONAL_SIMULATOR) &&
9045 (loopback == LOOPBACK_SERDES || loopback == LOOPBACK_LCB ||
9046 loopback == LOOPBACK_CABLE)) {
9047 loopback = LOOPBACK_LCB;
9052 /* handle serdes loopback */
9053 if (loopback == LOOPBACK_SERDES) {
9054 /* internal serdes loopack needs quick linkup on RTL */
9055 if (dd->icode == ICODE_RTL_SILICON)
9057 return set_serdes_loopback_mode(dd);
9060 /* LCB loopback - handled at poll time */
9061 if (loopback == LOOPBACK_LCB) {
9062 quick_linkup = 1; /* LCB is always quick linkup */
9064 /* not supported in emulation due to emulation RTL changes */
9065 if (dd->icode == ICODE_FPGA_EMULATION) {
9067 "LCB loopback not supported in emulation\n");
9073 /* external cable loopback requires no extra steps */
9074 if (loopback == LOOPBACK_CABLE)
9077 dd_dev_err(dd, "Invalid loopback mode %d\n", loopback);
9082 * Translate from the OPA_LINK_WIDTH handed to us by the FM to bits
9083 * used in the Verify Capability link width attribute.
9085 static u16 opa_to_vc_link_widths(u16 opa_widths)
9090 static const struct link_bits {
9093 } opa_link_xlate[] = {
9094 { OPA_LINK_WIDTH_1X, 1 << (1 - 1) },
9095 { OPA_LINK_WIDTH_2X, 1 << (2 - 1) },
9096 { OPA_LINK_WIDTH_3X, 1 << (3 - 1) },
9097 { OPA_LINK_WIDTH_4X, 1 << (4 - 1) },
9100 for (i = 0; i < ARRAY_SIZE(opa_link_xlate); i++) {
9101 if (opa_widths & opa_link_xlate[i].from)
9102 result |= opa_link_xlate[i].to;
9108 * Set link attributes before moving to polling.
9110 static int set_local_link_attributes(struct hfi1_pportdata *ppd)
9112 struct hfi1_devdata *dd = ppd->dd;
9114 u8 tx_polarity_inversion;
9115 u8 rx_polarity_inversion;
9118 /* reset our fabric serdes to clear any lingering problems */
9119 fabric_serdes_reset(dd);
9121 /* set the local tx rate - need to read-modify-write */
9122 ret = read_tx_settings(dd, &enable_lane_tx, &tx_polarity_inversion,
9123 &rx_polarity_inversion, &ppd->local_tx_rate);
9125 goto set_local_link_attributes_fail;
9127 if (dd->dc8051_ver < dc8051_ver(0, 20)) {
9128 /* set the tx rate to the fastest enabled */
9129 if (ppd->link_speed_enabled & OPA_LINK_SPEED_25G)
9130 ppd->local_tx_rate = 1;
9132 ppd->local_tx_rate = 0;
9134 /* set the tx rate to all enabled */
9135 ppd->local_tx_rate = 0;
9136 if (ppd->link_speed_enabled & OPA_LINK_SPEED_25G)
9137 ppd->local_tx_rate |= 2;
9138 if (ppd->link_speed_enabled & OPA_LINK_SPEED_12_5G)
9139 ppd->local_tx_rate |= 1;
9142 enable_lane_tx = 0xF; /* enable all four lanes */
9143 ret = write_tx_settings(dd, enable_lane_tx, tx_polarity_inversion,
9144 rx_polarity_inversion, ppd->local_tx_rate);
9145 if (ret != HCMD_SUCCESS)
9146 goto set_local_link_attributes_fail;
9149 * DC supports continuous updates.
9151 ret = write_vc_local_phy(dd,
9152 0 /* no power management */,
9153 1 /* continuous updates */);
9154 if (ret != HCMD_SUCCESS)
9155 goto set_local_link_attributes_fail;
9157 /* z=1 in the next call: AU of 0 is not supported by the hardware */
9158 ret = write_vc_local_fabric(dd, dd->vau, 1, dd->vcu, dd->vl15_init,
9159 ppd->port_crc_mode_enabled);
9160 if (ret != HCMD_SUCCESS)
9161 goto set_local_link_attributes_fail;
9163 ret = write_vc_local_link_width(dd, 0, 0,
9164 opa_to_vc_link_widths(
9165 ppd->link_width_enabled));
9166 if (ret != HCMD_SUCCESS)
9167 goto set_local_link_attributes_fail;
9169 /* let peer know who we are */
9170 ret = write_local_device_id(dd, dd->pcidev->device, dd->minrev);
9171 if (ret == HCMD_SUCCESS)
9174 set_local_link_attributes_fail:
9176 "Failed to set local link attributes, return 0x%x\n",
9182 * Call this to start the link.
9183 * Do not do anything if the link is disabled.
9184 * Returns 0 if link is disabled, moved to polling, or the driver is not ready.
9186 int start_link(struct hfi1_pportdata *ppd)
9188 if (!ppd->link_enabled) {
9189 dd_dev_info(ppd->dd,
9190 "%s: stopping link start because link is disabled\n",
9194 if (!ppd->driver_link_ready) {
9195 dd_dev_info(ppd->dd,
9196 "%s: stopping link start because driver is not ready\n",
9202 * FULL_MGMT_P_KEY is cleared from the pkey table, so that the
9203 * pkey table can be configured properly if the HFI unit is connected
9204 * to switch port with MgmtAllowed=NO
9206 clear_full_mgmt_pkey(ppd);
9208 return set_link_state(ppd, HLS_DN_POLL);
9211 static void wait_for_qsfp_init(struct hfi1_pportdata *ppd)
9213 struct hfi1_devdata *dd = ppd->dd;
9215 unsigned long timeout;
9218 * Check for QSFP interrupt for t_init (SFF 8679)
9220 timeout = jiffies + msecs_to_jiffies(2000);
9222 mask = read_csr(dd, dd->hfi1_id ?
9223 ASIC_QSFP2_IN : ASIC_QSFP1_IN);
9224 if (!(mask & QSFP_HFI0_INT_N)) {
9225 write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_CLEAR :
9226 ASIC_QSFP1_CLEAR, QSFP_HFI0_INT_N);
9229 if (time_after(jiffies, timeout)) {
9230 dd_dev_info(dd, "%s: No IntN detected, reset complete\n",
9238 static void set_qsfp_int_n(struct hfi1_pportdata *ppd, u8 enable)
9240 struct hfi1_devdata *dd = ppd->dd;
9243 mask = read_csr(dd, dd->hfi1_id ? ASIC_QSFP2_MASK : ASIC_QSFP1_MASK);
9245 mask |= (u64)QSFP_HFI0_INT_N;
9247 mask &= ~(u64)QSFP_HFI0_INT_N;
9248 write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_MASK : ASIC_QSFP1_MASK, mask);
9251 void reset_qsfp(struct hfi1_pportdata *ppd)
9253 struct hfi1_devdata *dd = ppd->dd;
9254 u64 mask, qsfp_mask;
9256 /* Disable INT_N from triggering QSFP interrupts */
9257 set_qsfp_int_n(ppd, 0);
9259 /* Reset the QSFP */
9260 mask = (u64)QSFP_HFI0_RESET_N;
9262 qsfp_mask = read_csr(dd,
9263 dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT);
9266 dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT, qsfp_mask);
9272 dd->hfi1_id ? ASIC_QSFP2_OUT : ASIC_QSFP1_OUT, qsfp_mask);
9274 wait_for_qsfp_init(ppd);
9277 * Allow INT_N to trigger the QSFP interrupt to watch
9278 * for alarms and warnings
9280 set_qsfp_int_n(ppd, 1);
9283 static int handle_qsfp_error_conditions(struct hfi1_pportdata *ppd,
9284 u8 *qsfp_interrupt_status)
9286 struct hfi1_devdata *dd = ppd->dd;
9288 if ((qsfp_interrupt_status[0] & QSFP_HIGH_TEMP_ALARM) ||
9289 (qsfp_interrupt_status[0] & QSFP_HIGH_TEMP_WARNING))
9290 dd_dev_info(dd, "%s: QSFP cable on fire\n",
9293 if ((qsfp_interrupt_status[0] & QSFP_LOW_TEMP_ALARM) ||
9294 (qsfp_interrupt_status[0] & QSFP_LOW_TEMP_WARNING))
9295 dd_dev_info(dd, "%s: QSFP cable temperature too low\n",
9299 * The remaining alarms/warnings don't matter if the link is down.
9301 if (ppd->host_link_state & HLS_DOWN)
9304 if ((qsfp_interrupt_status[1] & QSFP_HIGH_VCC_ALARM) ||
9305 (qsfp_interrupt_status[1] & QSFP_HIGH_VCC_WARNING))
9306 dd_dev_info(dd, "%s: QSFP supply voltage too high\n",
9309 if ((qsfp_interrupt_status[1] & QSFP_LOW_VCC_ALARM) ||
9310 (qsfp_interrupt_status[1] & QSFP_LOW_VCC_WARNING))
9311 dd_dev_info(dd, "%s: QSFP supply voltage too low\n",
9314 /* Byte 2 is vendor specific */
9316 if ((qsfp_interrupt_status[3] & QSFP_HIGH_POWER_ALARM) ||
9317 (qsfp_interrupt_status[3] & QSFP_HIGH_POWER_WARNING))
9318 dd_dev_info(dd, "%s: Cable RX channel 1/2 power too high\n",
9321 if ((qsfp_interrupt_status[3] & QSFP_LOW_POWER_ALARM) ||
9322 (qsfp_interrupt_status[3] & QSFP_LOW_POWER_WARNING))
9323 dd_dev_info(dd, "%s: Cable RX channel 1/2 power too low\n",
9326 if ((qsfp_interrupt_status[4] & QSFP_HIGH_POWER_ALARM) ||
9327 (qsfp_interrupt_status[4] & QSFP_HIGH_POWER_WARNING))
9328 dd_dev_info(dd, "%s: Cable RX channel 3/4 power too high\n",
9331 if ((qsfp_interrupt_status[4] & QSFP_LOW_POWER_ALARM) ||
9332 (qsfp_interrupt_status[4] & QSFP_LOW_POWER_WARNING))
9333 dd_dev_info(dd, "%s: Cable RX channel 3/4 power too low\n",
9336 if ((qsfp_interrupt_status[5] & QSFP_HIGH_BIAS_ALARM) ||
9337 (qsfp_interrupt_status[5] & QSFP_HIGH_BIAS_WARNING))
9338 dd_dev_info(dd, "%s: Cable TX channel 1/2 bias too high\n",
9341 if ((qsfp_interrupt_status[5] & QSFP_LOW_BIAS_ALARM) ||
9342 (qsfp_interrupt_status[5] & QSFP_LOW_BIAS_WARNING))
9343 dd_dev_info(dd, "%s: Cable TX channel 1/2 bias too low\n",
9346 if ((qsfp_interrupt_status[6] & QSFP_HIGH_BIAS_ALARM) ||
9347 (qsfp_interrupt_status[6] & QSFP_HIGH_BIAS_WARNING))
9348 dd_dev_info(dd, "%s: Cable TX channel 3/4 bias too high\n",
9351 if ((qsfp_interrupt_status[6] & QSFP_LOW_BIAS_ALARM) ||
9352 (qsfp_interrupt_status[6] & QSFP_LOW_BIAS_WARNING))
9353 dd_dev_info(dd, "%s: Cable TX channel 3/4 bias too low\n",
9356 if ((qsfp_interrupt_status[7] & QSFP_HIGH_POWER_ALARM) ||
9357 (qsfp_interrupt_status[7] & QSFP_HIGH_POWER_WARNING))
9358 dd_dev_info(dd, "%s: Cable TX channel 1/2 power too high\n",
9361 if ((qsfp_interrupt_status[7] & QSFP_LOW_POWER_ALARM) ||
9362 (qsfp_interrupt_status[7] & QSFP_LOW_POWER_WARNING))
9363 dd_dev_info(dd, "%s: Cable TX channel 1/2 power too low\n",
9366 if ((qsfp_interrupt_status[8] & QSFP_HIGH_POWER_ALARM) ||
9367 (qsfp_interrupt_status[8] & QSFP_HIGH_POWER_WARNING))
9368 dd_dev_info(dd, "%s: Cable TX channel 3/4 power too high\n",
9371 if ((qsfp_interrupt_status[8] & QSFP_LOW_POWER_ALARM) ||
9372 (qsfp_interrupt_status[8] & QSFP_LOW_POWER_WARNING))
9373 dd_dev_info(dd, "%s: Cable TX channel 3/4 power too low\n",
9376 /* Bytes 9-10 and 11-12 are reserved */
9377 /* Bytes 13-15 are vendor specific */
9382 /* This routine will only be scheduled if the QSFP module present is asserted */
9383 void qsfp_event(struct work_struct *work)
9385 struct qsfp_data *qd;
9386 struct hfi1_pportdata *ppd;
9387 struct hfi1_devdata *dd;
9389 qd = container_of(work, struct qsfp_data, qsfp_work);
9394 if (!qsfp_mod_present(ppd))
9398 * Turn DC back on after cable has been re-inserted. Up until
9399 * now, the DC has been in reset to save power.
9403 if (qd->cache_refresh_required) {
9404 set_qsfp_int_n(ppd, 0);
9406 wait_for_qsfp_init(ppd);
9409 * Allow INT_N to trigger the QSFP interrupt to watch
9410 * for alarms and warnings
9412 set_qsfp_int_n(ppd, 1);
9419 if (qd->check_interrupt_flags) {
9420 u8 qsfp_interrupt_status[16] = {0,};
9422 if (one_qsfp_read(ppd, dd->hfi1_id, 6,
9423 &qsfp_interrupt_status[0], 16) != 16) {
9425 "%s: Failed to read status of QSFP module\n",
9428 unsigned long flags;
9430 handle_qsfp_error_conditions(
9431 ppd, qsfp_interrupt_status);
9432 spin_lock_irqsave(&ppd->qsfp_info.qsfp_lock, flags);
9433 ppd->qsfp_info.check_interrupt_flags = 0;
9434 spin_unlock_irqrestore(&ppd->qsfp_info.qsfp_lock,
9440 static void init_qsfp_int(struct hfi1_devdata *dd)
9442 struct hfi1_pportdata *ppd = dd->pport;
9443 u64 qsfp_mask, cce_int_mask;
9444 const int qsfp1_int_smask = QSFP1_INT % 64;
9445 const int qsfp2_int_smask = QSFP2_INT % 64;
9448 * disable QSFP1 interrupts for HFI1, QSFP2 interrupts for HFI0
9449 * Qsfp1Int and Qsfp2Int are adjacent bits in the same CSR,
9450 * therefore just one of QSFP1_INT/QSFP2_INT can be used to find
9451 * the index of the appropriate CSR in the CCEIntMask CSR array
9453 cce_int_mask = read_csr(dd, CCE_INT_MASK +
9454 (8 * (QSFP1_INT / 64)));
9456 cce_int_mask &= ~((u64)1 << qsfp1_int_smask);
9457 write_csr(dd, CCE_INT_MASK + (8 * (QSFP1_INT / 64)),
9460 cce_int_mask &= ~((u64)1 << qsfp2_int_smask);
9461 write_csr(dd, CCE_INT_MASK + (8 * (QSFP2_INT / 64)),
9465 qsfp_mask = (u64)(QSFP_HFI0_INT_N | QSFP_HFI0_MODPRST_N);
9466 /* Clear current status to avoid spurious interrupts */
9467 write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_CLEAR : ASIC_QSFP1_CLEAR,
9469 write_csr(dd, dd->hfi1_id ? ASIC_QSFP2_MASK : ASIC_QSFP1_MASK,
9472 set_qsfp_int_n(ppd, 0);
9474 /* Handle active low nature of INT_N and MODPRST_N pins */
9475 if (qsfp_mod_present(ppd))
9476 qsfp_mask &= ~(u64)QSFP_HFI0_MODPRST_N;
9478 dd->hfi1_id ? ASIC_QSFP2_INVERT : ASIC_QSFP1_INVERT,
9483 * Do a one-time initialize of the LCB block.
9485 static void init_lcb(struct hfi1_devdata *dd)
9487 /* simulator does not correctly handle LCB cclk loopback, skip */
9488 if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR)
9491 /* the DC has been reset earlier in the driver load */
9493 /* set LCB for cclk loopback on the port */
9494 write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0x01);
9495 write_csr(dd, DC_LCB_CFG_LANE_WIDTH, 0x00);
9496 write_csr(dd, DC_LCB_CFG_REINIT_AS_SLAVE, 0x00);
9497 write_csr(dd, DC_LCB_CFG_CNT_FOR_SKIP_STALL, 0x110);
9498 write_csr(dd, DC_LCB_CFG_CLK_CNTR, 0x08);
9499 write_csr(dd, DC_LCB_CFG_LOOPBACK, 0x02);
9500 write_csr(dd, DC_LCB_CFG_TX_FIFOS_RESET, 0x00);
9503 int bringup_serdes(struct hfi1_pportdata *ppd)
9505 struct hfi1_devdata *dd = ppd->dd;
9509 if (HFI1_CAP_IS_KSET(EXTENDED_PSN))
9510 add_rcvctrl(dd, RCV_CTRL_RCV_EXTENDED_PSN_ENABLE_SMASK);
9515 guid = dd->base_guid + ppd->port - 1;
9519 /* Set linkinit_reason on power up per OPA spec */
9520 ppd->linkinit_reason = OPA_LINKINIT_REASON_LINKUP;
9522 /* one-time init of the LCB */
9526 ret = init_loopback(dd);
9532 if (ppd->port_type == PORT_TYPE_QSFP) {
9533 set_qsfp_int_n(ppd, 0);
9534 wait_for_qsfp_init(ppd);
9535 set_qsfp_int_n(ppd, 1);
9539 * Tune the SerDes to a ballpark setting for
9540 * optimal signal and bit error rate
9541 * Needs to be done before starting the link
9545 return start_link(ppd);
9548 void hfi1_quiet_serdes(struct hfi1_pportdata *ppd)
9550 struct hfi1_devdata *dd = ppd->dd;
9553 * Shut down the link and keep it down. First turn off that the
9554 * driver wants to allow the link to be up (driver_link_ready).
9555 * Then make sure the link is not automatically restarted
9556 * (link_enabled). Cancel any pending restart. And finally
9559 ppd->driver_link_ready = 0;
9560 ppd->link_enabled = 0;
9562 ppd->offline_disabled_reason =
9563 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_SMA_DISABLED);
9564 set_link_down_reason(ppd, OPA_LINKDOWN_REASON_SMA_DISABLED, 0,
9565 OPA_LINKDOWN_REASON_SMA_DISABLED);
9566 set_link_state(ppd, HLS_DN_OFFLINE);
9568 /* disable the port */
9569 clear_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
9572 static inline int init_cpu_counters(struct hfi1_devdata *dd)
9574 struct hfi1_pportdata *ppd;
9577 ppd = (struct hfi1_pportdata *)(dd + 1);
9578 for (i = 0; i < dd->num_pports; i++, ppd++) {
9579 ppd->ibport_data.rvp.rc_acks = NULL;
9580 ppd->ibport_data.rvp.rc_qacks = NULL;
9581 ppd->ibport_data.rvp.rc_acks = alloc_percpu(u64);
9582 ppd->ibport_data.rvp.rc_qacks = alloc_percpu(u64);
9583 ppd->ibport_data.rvp.rc_delayed_comp = alloc_percpu(u64);
9584 if (!ppd->ibport_data.rvp.rc_acks ||
9585 !ppd->ibport_data.rvp.rc_delayed_comp ||
9586 !ppd->ibport_data.rvp.rc_qacks)
9593 static const char * const pt_names[] = {
9599 static const char *pt_name(u32 type)
9601 return type >= ARRAY_SIZE(pt_names) ? "unknown" : pt_names[type];
9605 * index is the index into the receive array
9607 void hfi1_put_tid(struct hfi1_devdata *dd, u32 index,
9608 u32 type, unsigned long pa, u16 order)
9611 void __iomem *base = (dd->rcvarray_wc ? dd->rcvarray_wc :
9612 (dd->kregbase + RCV_ARRAY));
9614 if (!(dd->flags & HFI1_PRESENT))
9617 if (type == PT_INVALID) {
9619 } else if (type > PT_INVALID) {
9621 "unexpected receive array type %u for index %u, not handled\n",
9626 hfi1_cdbg(TID, "type %s, index 0x%x, pa 0x%lx, bsize 0x%lx",
9627 pt_name(type), index, pa, (unsigned long)order);
9629 #define RT_ADDR_SHIFT 12 /* 4KB kernel address boundary */
9630 reg = RCV_ARRAY_RT_WRITE_ENABLE_SMASK
9631 | (u64)order << RCV_ARRAY_RT_BUF_SIZE_SHIFT
9632 | ((pa >> RT_ADDR_SHIFT) & RCV_ARRAY_RT_ADDR_MASK)
9633 << RCV_ARRAY_RT_ADDR_SHIFT;
9634 writeq(reg, base + (index * 8));
9636 if (type == PT_EAGER)
9638 * Eager entries are written one-by-one so we have to push them
9639 * after we write the entry.
9646 void hfi1_clear_tids(struct hfi1_ctxtdata *rcd)
9648 struct hfi1_devdata *dd = rcd->dd;
9651 /* this could be optimized */
9652 for (i = rcd->eager_base; i < rcd->eager_base +
9653 rcd->egrbufs.alloced; i++)
9654 hfi1_put_tid(dd, i, PT_INVALID, 0, 0);
9656 for (i = rcd->expected_base;
9657 i < rcd->expected_base + rcd->expected_count; i++)
9658 hfi1_put_tid(dd, i, PT_INVALID, 0, 0);
9661 int hfi1_get_base_kinfo(struct hfi1_ctxtdata *rcd,
9662 struct hfi1_ctxt_info *kinfo)
9664 kinfo->runtime_flags = (HFI1_MISC_GET() << HFI1_CAP_USER_SHIFT) |
9665 HFI1_CAP_UGET(MASK) | HFI1_CAP_KGET(K2U);
9669 struct hfi1_message_header *hfi1_get_msgheader(
9670 struct hfi1_devdata *dd, __le32 *rhf_addr)
9672 u32 offset = rhf_hdrq_offset(rhf_to_cpu(rhf_addr));
9674 return (struct hfi1_message_header *)
9675 (rhf_addr - dd->rhf_offset + offset);
9678 static const char * const ib_cfg_name_strings[] = {
9679 "HFI1_IB_CFG_LIDLMC",
9680 "HFI1_IB_CFG_LWID_DG_ENB",
9681 "HFI1_IB_CFG_LWID_ENB",
9683 "HFI1_IB_CFG_SPD_ENB",
9685 "HFI1_IB_CFG_RXPOL_ENB",
9686 "HFI1_IB_CFG_LREV_ENB",
9687 "HFI1_IB_CFG_LINKLATENCY",
9688 "HFI1_IB_CFG_HRTBT",
9689 "HFI1_IB_CFG_OP_VLS",
9690 "HFI1_IB_CFG_VL_HIGH_CAP",
9691 "HFI1_IB_CFG_VL_LOW_CAP",
9692 "HFI1_IB_CFG_OVERRUN_THRESH",
9693 "HFI1_IB_CFG_PHYERR_THRESH",
9694 "HFI1_IB_CFG_LINKDEFAULT",
9695 "HFI1_IB_CFG_PKEYS",
9697 "HFI1_IB_CFG_LSTATE",
9698 "HFI1_IB_CFG_VL_HIGH_LIMIT",
9699 "HFI1_IB_CFG_PMA_TICKS",
9703 static const char *ib_cfg_name(int which)
9705 if (which < 0 || which >= ARRAY_SIZE(ib_cfg_name_strings))
9707 return ib_cfg_name_strings[which];
9710 int hfi1_get_ib_cfg(struct hfi1_pportdata *ppd, int which)
9712 struct hfi1_devdata *dd = ppd->dd;
9716 case HFI1_IB_CFG_LWID_ENB: /* allowed Link-width */
9717 val = ppd->link_width_enabled;
9719 case HFI1_IB_CFG_LWID: /* currently active Link-width */
9720 val = ppd->link_width_active;
9722 case HFI1_IB_CFG_SPD_ENB: /* allowed Link speeds */
9723 val = ppd->link_speed_enabled;
9725 case HFI1_IB_CFG_SPD: /* current Link speed */
9726 val = ppd->link_speed_active;
9729 case HFI1_IB_CFG_RXPOL_ENB: /* Auto-RX-polarity enable */
9730 case HFI1_IB_CFG_LREV_ENB: /* Auto-Lane-reversal enable */
9731 case HFI1_IB_CFG_LINKLATENCY:
9734 case HFI1_IB_CFG_OP_VLS:
9735 val = ppd->vls_operational;
9737 case HFI1_IB_CFG_VL_HIGH_CAP: /* VL arb high priority table size */
9738 val = VL_ARB_HIGH_PRIO_TABLE_SIZE;
9740 case HFI1_IB_CFG_VL_LOW_CAP: /* VL arb low priority table size */
9741 val = VL_ARB_LOW_PRIO_TABLE_SIZE;
9743 case HFI1_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */
9744 val = ppd->overrun_threshold;
9746 case HFI1_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */
9747 val = ppd->phy_error_threshold;
9749 case HFI1_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */
9750 val = dd->link_default;
9753 case HFI1_IB_CFG_HRTBT: /* Heartbeat off/enable/auto */
9754 case HFI1_IB_CFG_PMA_TICKS:
9757 if (HFI1_CAP_IS_KSET(PRINT_UNIMPL))
9760 "%s: which %s: not implemented\n",
9762 ib_cfg_name(which));
9770 * The largest MAD packet size.
9772 #define MAX_MAD_PACKET 2048
9775 * Return the maximum header bytes that can go on the _wire_
9776 * for this device. This count includes the ICRC which is
9777 * not part of the packet held in memory but it is appended
9779 * This is dependent on the device's receive header entry size.
9780 * HFI allows this to be set per-receive context, but the
9781 * driver presently enforces a global value.
9783 u32 lrh_max_header_bytes(struct hfi1_devdata *dd)
9786 * The maximum non-payload (MTU) bytes in LRH.PktLen are
9787 * the Receive Header Entry Size minus the PBC (or RHF) size
9788 * plus one DW for the ICRC appended by HW.
9790 * dd->rcd[0].rcvhdrqentsize is in DW.
9791 * We use rcd[0] as all context will have the same value. Also,
9792 * the first kernel context would have been allocated by now so
9793 * we are guaranteed a valid value.
9795 return (dd->rcd[0]->rcvhdrqentsize - 2/*PBC/RHF*/ + 1/*ICRC*/) << 2;
9800 * @ppd - per port data
9802 * Set the MTU by limiting how many DWs may be sent. The SendLenCheck*
9803 * registers compare against LRH.PktLen, so use the max bytes included
9806 * This routine changes all VL values except VL15, which it maintains at
9809 static void set_send_length(struct hfi1_pportdata *ppd)
9811 struct hfi1_devdata *dd = ppd->dd;
9812 u32 max_hb = lrh_max_header_bytes(dd), dcmtu;
9813 u32 maxvlmtu = dd->vld[15].mtu;
9814 u64 len1 = 0, len2 = (((dd->vld[15].mtu + max_hb) >> 2)
9815 & SEND_LEN_CHECK1_LEN_VL15_MASK) <<
9816 SEND_LEN_CHECK1_LEN_VL15_SHIFT;
9820 for (i = 0; i < ppd->vls_supported; i++) {
9821 if (dd->vld[i].mtu > maxvlmtu)
9822 maxvlmtu = dd->vld[i].mtu;
9824 len1 |= (((dd->vld[i].mtu + max_hb) >> 2)
9825 & SEND_LEN_CHECK0_LEN_VL0_MASK) <<
9826 ((i % 4) * SEND_LEN_CHECK0_LEN_VL1_SHIFT);
9828 len2 |= (((dd->vld[i].mtu + max_hb) >> 2)
9829 & SEND_LEN_CHECK1_LEN_VL4_MASK) <<
9830 ((i % 4) * SEND_LEN_CHECK1_LEN_VL5_SHIFT);
9832 write_csr(dd, SEND_LEN_CHECK0, len1);
9833 write_csr(dd, SEND_LEN_CHECK1, len2);
9834 /* adjust kernel credit return thresholds based on new MTUs */
9835 /* all kernel receive contexts have the same hdrqentsize */
9836 for (i = 0; i < ppd->vls_supported; i++) {
9837 thres = min(sc_percent_to_threshold(dd->vld[i].sc, 50),
9838 sc_mtu_to_threshold(dd->vld[i].sc,
9840 dd->rcd[0]->rcvhdrqentsize));
9841 for (j = 0; j < INIT_SC_PER_VL; j++)
9842 sc_set_cr_threshold(
9843 pio_select_send_context_vl(dd, j, i),
9846 thres = min(sc_percent_to_threshold(dd->vld[15].sc, 50),
9847 sc_mtu_to_threshold(dd->vld[15].sc,
9849 dd->rcd[0]->rcvhdrqentsize));
9850 sc_set_cr_threshold(dd->vld[15].sc, thres);
9852 /* Adjust maximum MTU for the port in DC */
9853 dcmtu = maxvlmtu == 10240 ? DCC_CFG_PORT_MTU_CAP_10240 :
9854 (ilog2(maxvlmtu >> 8) + 1);
9855 len1 = read_csr(ppd->dd, DCC_CFG_PORT_CONFIG);
9856 len1 &= ~DCC_CFG_PORT_CONFIG_MTU_CAP_SMASK;
9857 len1 |= ((u64)dcmtu & DCC_CFG_PORT_CONFIG_MTU_CAP_MASK) <<
9858 DCC_CFG_PORT_CONFIG_MTU_CAP_SHIFT;
9859 write_csr(ppd->dd, DCC_CFG_PORT_CONFIG, len1);
9862 static void set_lidlmc(struct hfi1_pportdata *ppd)
9866 struct hfi1_devdata *dd = ppd->dd;
9867 u32 mask = ~((1U << ppd->lmc) - 1);
9868 u64 c1 = read_csr(ppd->dd, DCC_CFG_PORT_CONFIG1);
9870 if (dd->hfi1_snoop.mode_flag)
9871 dd_dev_info(dd, "Set lid/lmc while snooping");
9873 c1 &= ~(DCC_CFG_PORT_CONFIG1_TARGET_DLID_SMASK
9874 | DCC_CFG_PORT_CONFIG1_DLID_MASK_SMASK);
9875 c1 |= ((ppd->lid & DCC_CFG_PORT_CONFIG1_TARGET_DLID_MASK)
9876 << DCC_CFG_PORT_CONFIG1_TARGET_DLID_SHIFT) |
9877 ((mask & DCC_CFG_PORT_CONFIG1_DLID_MASK_MASK)
9878 << DCC_CFG_PORT_CONFIG1_DLID_MASK_SHIFT);
9879 write_csr(ppd->dd, DCC_CFG_PORT_CONFIG1, c1);
9882 * Iterate over all the send contexts and set their SLID check
9884 sreg = ((mask & SEND_CTXT_CHECK_SLID_MASK_MASK) <<
9885 SEND_CTXT_CHECK_SLID_MASK_SHIFT) |
9886 (((ppd->lid & mask) & SEND_CTXT_CHECK_SLID_VALUE_MASK) <<
9887 SEND_CTXT_CHECK_SLID_VALUE_SHIFT);
9889 for (i = 0; i < dd->chip_send_contexts; i++) {
9890 hfi1_cdbg(LINKVERB, "SendContext[%d].SLID_CHECK = 0x%x",
9892 write_kctxt_csr(dd, i, SEND_CTXT_CHECK_SLID, sreg);
9895 /* Now we have to do the same thing for the sdma engines */
9896 sdma_update_lmc(dd, mask, ppd->lid);
9899 static int wait_phy_linkstate(struct hfi1_devdata *dd, u32 state, u32 msecs)
9901 unsigned long timeout;
9904 timeout = jiffies + msecs_to_jiffies(msecs);
9906 curr_state = read_physical_state(dd);
9907 if (curr_state == state)
9909 if (time_after(jiffies, timeout)) {
9911 "timeout waiting for phy link state 0x%x, current state is 0x%x\n",
9915 usleep_range(1950, 2050); /* sleep 2ms-ish */
9922 * Helper for set_link_state(). Do not call except from that routine.
9923 * Expects ppd->hls_mutex to be held.
9925 * @rem_reason value to be sent to the neighbor
9927 * LinkDownReasons only set if transition succeeds.
9929 static int goto_offline(struct hfi1_pportdata *ppd, u8 rem_reason)
9931 struct hfi1_devdata *dd = ppd->dd;
9932 u32 pstate, previous_state;
9933 u32 last_local_state;
9934 u32 last_remote_state;
9939 previous_state = ppd->host_link_state;
9940 ppd->host_link_state = HLS_GOING_OFFLINE;
9941 pstate = read_physical_state(dd);
9942 if (pstate == PLS_OFFLINE) {
9943 do_transition = 0; /* in right state */
9944 do_wait = 0; /* ...no need to wait */
9945 } else if ((pstate & 0xff) == PLS_OFFLINE) {
9946 do_transition = 0; /* in an offline transient state */
9947 do_wait = 1; /* ...wait for it to settle */
9949 do_transition = 1; /* need to move to offline */
9950 do_wait = 1; /* ...will need to wait */
9953 if (do_transition) {
9954 ret = set_physical_link_state(dd,
9955 (rem_reason << 8) | PLS_OFFLINE);
9957 if (ret != HCMD_SUCCESS) {
9959 "Failed to transition to Offline link state, return %d\n",
9963 if (ppd->offline_disabled_reason ==
9964 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE))
9965 ppd->offline_disabled_reason =
9966 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_TRANSIENT);
9970 /* it can take a while for the link to go down */
9971 ret = wait_phy_linkstate(dd, PLS_OFFLINE, 10000);
9976 /* make sure the logical state is also down */
9977 wait_logical_linkstate(ppd, IB_PORT_DOWN, 1000);
9980 * Now in charge of LCB - must be after the physical state is
9981 * offline.quiet and before host_link_state is changed.
9983 set_host_lcb_access(dd);
9984 write_csr(dd, DC_LCB_ERR_EN, ~0ull); /* watch LCB errors */
9985 ppd->host_link_state = HLS_LINK_COOLDOWN; /* LCB access allowed */
9987 if (ppd->port_type == PORT_TYPE_QSFP &&
9988 ppd->qsfp_info.limiting_active &&
9989 qsfp_mod_present(ppd)) {
9992 ret = acquire_chip_resource(dd, qsfp_resource(dd), QSFP_WAIT);
9994 set_qsfp_tx(ppd, 0);
9995 release_chip_resource(dd, qsfp_resource(dd));
9997 /* not fatal, but should warn */
9999 "Unable to acquire lock to turn off QSFP TX\n");
10004 * The LNI has a mandatory wait time after the physical state
10005 * moves to Offline.Quiet. The wait time may be different
10006 * depending on how the link went down. The 8051 firmware
10007 * will observe the needed wait time and only move to ready
10008 * when that is completed. The largest of the quiet timeouts
10009 * is 6s, so wait that long and then at least 0.5s more for
10010 * other transitions, and another 0.5s for a buffer.
10012 ret = wait_fm_ready(dd, 7000);
10015 "After going offline, timed out waiting for the 8051 to become ready to accept host requests\n");
10016 /* state is really offline, so make it so */
10017 ppd->host_link_state = HLS_DN_OFFLINE;
10022 * The state is now offline and the 8051 is ready to accept host
10024 * - change our state
10025 * - notify others if we were previously in a linkup state
10027 ppd->host_link_state = HLS_DN_OFFLINE;
10028 if (previous_state & HLS_UP) {
10029 /* went down while link was up */
10030 handle_linkup_change(dd, 0);
10031 } else if (previous_state
10032 & (HLS_DN_POLL | HLS_VERIFY_CAP | HLS_GOING_UP)) {
10033 /* went down while attempting link up */
10034 /* byte 1 of last_*_state is the failure reason */
10035 read_last_local_state(dd, &last_local_state);
10036 read_last_remote_state(dd, &last_remote_state);
10038 "LNI failure last states: local 0x%08x, remote 0x%08x\n",
10039 last_local_state, last_remote_state);
10042 /* the active link width (downgrade) is 0 on link down */
10043 ppd->link_width_active = 0;
10044 ppd->link_width_downgrade_tx_active = 0;
10045 ppd->link_width_downgrade_rx_active = 0;
10046 ppd->current_egress_rate = 0;
10050 /* return the link state name */
10051 static const char *link_state_name(u32 state)
10054 int n = ilog2(state);
10055 static const char * const names[] = {
10056 [__HLS_UP_INIT_BP] = "INIT",
10057 [__HLS_UP_ARMED_BP] = "ARMED",
10058 [__HLS_UP_ACTIVE_BP] = "ACTIVE",
10059 [__HLS_DN_DOWNDEF_BP] = "DOWNDEF",
10060 [__HLS_DN_POLL_BP] = "POLL",
10061 [__HLS_DN_DISABLE_BP] = "DISABLE",
10062 [__HLS_DN_OFFLINE_BP] = "OFFLINE",
10063 [__HLS_VERIFY_CAP_BP] = "VERIFY_CAP",
10064 [__HLS_GOING_UP_BP] = "GOING_UP",
10065 [__HLS_GOING_OFFLINE_BP] = "GOING_OFFLINE",
10066 [__HLS_LINK_COOLDOWN_BP] = "LINK_COOLDOWN"
10069 name = n < ARRAY_SIZE(names) ? names[n] : NULL;
10070 return name ? name : "unknown";
10073 /* return the link state reason name */
10074 static const char *link_state_reason_name(struct hfi1_pportdata *ppd, u32 state)
10076 if (state == HLS_UP_INIT) {
10077 switch (ppd->linkinit_reason) {
10078 case OPA_LINKINIT_REASON_LINKUP:
10080 case OPA_LINKINIT_REASON_FLAPPING:
10081 return "(FLAPPING)";
10082 case OPA_LINKINIT_OUTSIDE_POLICY:
10083 return "(OUTSIDE_POLICY)";
10084 case OPA_LINKINIT_QUARANTINED:
10085 return "(QUARANTINED)";
10086 case OPA_LINKINIT_INSUFIC_CAPABILITY:
10087 return "(INSUFIC_CAPABILITY)";
10096 * driver_physical_state - convert the driver's notion of a port's
10097 * state (an HLS_*) into a physical state (a {IB,OPA}_PORTPHYSSTATE_*).
10098 * Return -1 (converted to a u32) to indicate error.
10100 u32 driver_physical_state(struct hfi1_pportdata *ppd)
10102 switch (ppd->host_link_state) {
10105 case HLS_UP_ACTIVE:
10106 return IB_PORTPHYSSTATE_LINKUP;
10108 return IB_PORTPHYSSTATE_POLLING;
10109 case HLS_DN_DISABLE:
10110 return IB_PORTPHYSSTATE_DISABLED;
10111 case HLS_DN_OFFLINE:
10112 return OPA_PORTPHYSSTATE_OFFLINE;
10113 case HLS_VERIFY_CAP:
10114 return IB_PORTPHYSSTATE_POLLING;
10116 return IB_PORTPHYSSTATE_POLLING;
10117 case HLS_GOING_OFFLINE:
10118 return OPA_PORTPHYSSTATE_OFFLINE;
10119 case HLS_LINK_COOLDOWN:
10120 return OPA_PORTPHYSSTATE_OFFLINE;
10121 case HLS_DN_DOWNDEF:
10123 dd_dev_err(ppd->dd, "invalid host_link_state 0x%x\n",
10124 ppd->host_link_state);
10130 * driver_logical_state - convert the driver's notion of a port's
10131 * state (an HLS_*) into a logical state (a IB_PORT_*). Return -1
10132 * (converted to a u32) to indicate error.
10134 u32 driver_logical_state(struct hfi1_pportdata *ppd)
10136 if (ppd->host_link_state && (ppd->host_link_state & HLS_DOWN))
10137 return IB_PORT_DOWN;
10139 switch (ppd->host_link_state & HLS_UP) {
10141 return IB_PORT_INIT;
10143 return IB_PORT_ARMED;
10144 case HLS_UP_ACTIVE:
10145 return IB_PORT_ACTIVE;
10147 dd_dev_err(ppd->dd, "invalid host_link_state 0x%x\n",
10148 ppd->host_link_state);
10153 void set_link_down_reason(struct hfi1_pportdata *ppd, u8 lcl_reason,
10154 u8 neigh_reason, u8 rem_reason)
10156 if (ppd->local_link_down_reason.latest == 0 &&
10157 ppd->neigh_link_down_reason.latest == 0) {
10158 ppd->local_link_down_reason.latest = lcl_reason;
10159 ppd->neigh_link_down_reason.latest = neigh_reason;
10160 ppd->remote_link_down_reason = rem_reason;
10165 * Change the physical and/or logical link state.
10167 * Do not call this routine while inside an interrupt. It contains
10168 * calls to routines that can take multiple seconds to finish.
10170 * Returns 0 on success, -errno on failure.
10172 int set_link_state(struct hfi1_pportdata *ppd, u32 state)
10174 struct hfi1_devdata *dd = ppd->dd;
10175 struct ib_event event = {.device = NULL};
10177 int orig_new_state, poll_bounce;
10179 mutex_lock(&ppd->hls_lock);
10181 orig_new_state = state;
10182 if (state == HLS_DN_DOWNDEF)
10183 state = dd->link_default;
10185 /* interpret poll -> poll as a link bounce */
10186 poll_bounce = ppd->host_link_state == HLS_DN_POLL &&
10187 state == HLS_DN_POLL;
10189 dd_dev_info(dd, "%s: current %s, new %s %s%s\n", __func__,
10190 link_state_name(ppd->host_link_state),
10191 link_state_name(orig_new_state),
10192 poll_bounce ? "(bounce) " : "",
10193 link_state_reason_name(ppd, state));
10196 * If we're going to a (HLS_*) link state that implies the logical
10197 * link state is neither of (IB_PORT_ARMED, IB_PORT_ACTIVE), then
10198 * reset is_sm_config_started to 0.
10200 if (!(state & (HLS_UP_ARMED | HLS_UP_ACTIVE)))
10201 ppd->is_sm_config_started = 0;
10204 * Do nothing if the states match. Let a poll to poll link bounce
10207 if (ppd->host_link_state == state && !poll_bounce)
10212 if (ppd->host_link_state == HLS_DN_POLL &&
10213 (quick_linkup || dd->icode == ICODE_FUNCTIONAL_SIMULATOR)) {
10215 * Quick link up jumps from polling to here.
10217 * Whether in normal or loopback mode, the
10218 * simulator jumps from polling to link up.
10219 * Accept that here.
10222 } else if (ppd->host_link_state != HLS_GOING_UP) {
10226 ppd->host_link_state = HLS_UP_INIT;
10227 ret = wait_logical_linkstate(ppd, IB_PORT_INIT, 1000);
10229 /* logical state didn't change, stay at going_up */
10230 ppd->host_link_state = HLS_GOING_UP;
10232 "%s: logical state did not change to INIT\n",
10235 /* clear old transient LINKINIT_REASON code */
10236 if (ppd->linkinit_reason >= OPA_LINKINIT_REASON_CLEAR)
10237 ppd->linkinit_reason =
10238 OPA_LINKINIT_REASON_LINKUP;
10240 /* enable the port */
10241 add_rcvctrl(dd, RCV_CTRL_RCV_PORT_ENABLE_SMASK);
10243 handle_linkup_change(dd, 1);
10247 if (ppd->host_link_state != HLS_UP_INIT)
10250 ppd->host_link_state = HLS_UP_ARMED;
10251 set_logical_state(dd, LSTATE_ARMED);
10252 ret = wait_logical_linkstate(ppd, IB_PORT_ARMED, 1000);
10254 /* logical state didn't change, stay at init */
10255 ppd->host_link_state = HLS_UP_INIT;
10257 "%s: logical state did not change to ARMED\n",
10261 * The simulator does not currently implement SMA messages,
10262 * so neighbor_normal is not set. Set it here when we first
10265 if (dd->icode == ICODE_FUNCTIONAL_SIMULATOR)
10266 ppd->neighbor_normal = 1;
10268 case HLS_UP_ACTIVE:
10269 if (ppd->host_link_state != HLS_UP_ARMED)
10272 ppd->host_link_state = HLS_UP_ACTIVE;
10273 set_logical_state(dd, LSTATE_ACTIVE);
10274 ret = wait_logical_linkstate(ppd, IB_PORT_ACTIVE, 1000);
10276 /* logical state didn't change, stay at armed */
10277 ppd->host_link_state = HLS_UP_ARMED;
10279 "%s: logical state did not change to ACTIVE\n",
10282 /* tell all engines to go running */
10283 sdma_all_running(dd);
10285 /* Signal the IB layer that the port has went active */
10286 event.device = &dd->verbs_dev.rdi.ibdev;
10287 event.element.port_num = ppd->port;
10288 event.event = IB_EVENT_PORT_ACTIVE;
10292 if ((ppd->host_link_state == HLS_DN_DISABLE ||
10293 ppd->host_link_state == HLS_DN_OFFLINE) &&
10296 /* Hand LED control to the DC */
10297 write_csr(dd, DCC_CFG_LED_CNTRL, 0);
10299 if (ppd->host_link_state != HLS_DN_OFFLINE) {
10300 u8 tmp = ppd->link_enabled;
10302 ret = goto_offline(ppd, ppd->remote_link_down_reason);
10304 ppd->link_enabled = tmp;
10307 ppd->remote_link_down_reason = 0;
10309 if (ppd->driver_link_ready)
10310 ppd->link_enabled = 1;
10313 set_all_slowpath(ppd->dd);
10314 ret = set_local_link_attributes(ppd);
10318 ppd->port_error_action = 0;
10319 ppd->host_link_state = HLS_DN_POLL;
10321 if (quick_linkup) {
10322 /* quick linkup does not go into polling */
10323 ret = do_quick_linkup(dd);
10325 ret1 = set_physical_link_state(dd, PLS_POLLING);
10326 if (ret1 != HCMD_SUCCESS) {
10328 "Failed to transition to Polling link state, return 0x%x\n",
10333 ppd->offline_disabled_reason =
10334 HFI1_ODR_MASK(OPA_LINKDOWN_REASON_NONE);
10336 * If an error occurred above, go back to offline. The
10337 * caller may reschedule another attempt.
10340 goto_offline(ppd, 0);
10342 case HLS_DN_DISABLE:
10343 /* link is disabled */
10344 ppd->link_enabled = 0;
10346 /* allow any state to transition to disabled */
10348 /* must transition to offline first */
10349 if (ppd->host_link_state != HLS_DN_OFFLINE) {
10350 ret = goto_offline(ppd, ppd->remote_link_down_reason);
10353 ppd->remote_link_down_reason = 0;
10356 ret1 = set_physical_link_state(dd, PLS_DISABLED);
10357 if (ret1 != HCMD_SUCCESS) {
10359 "Failed to transition to Disabled link state, return 0x%x\n",
10364 ppd->host_link_state = HLS_DN_DISABLE;
10367 case HLS_DN_OFFLINE:
10368 if (ppd->host_link_state == HLS_DN_DISABLE)
10371 /* allow any state to transition to offline */
10372 ret = goto_offline(ppd, ppd->remote_link_down_reason);
10374 ppd->remote_link_down_reason = 0;
10376 case HLS_VERIFY_CAP:
10377 if (ppd->host_link_state != HLS_DN_POLL)
10379 ppd->host_link_state = HLS_VERIFY_CAP;
10382 if (ppd->host_link_state != HLS_VERIFY_CAP)
10385 ret1 = set_physical_link_state(dd, PLS_LINKUP);
10386 if (ret1 != HCMD_SUCCESS) {
10388 "Failed to transition to link up state, return 0x%x\n",
10393 ppd->host_link_state = HLS_GOING_UP;
10396 case HLS_GOING_OFFLINE: /* transient within goto_offline() */
10397 case HLS_LINK_COOLDOWN: /* transient within goto_offline() */
10399 dd_dev_info(dd, "%s: state 0x%x: not supported\n",
10408 dd_dev_err(dd, "%s: unexpected state transition from %s to %s\n",
10409 __func__, link_state_name(ppd->host_link_state),
10410 link_state_name(state));
10414 mutex_unlock(&ppd->hls_lock);
10417 ib_dispatch_event(&event);
10422 int hfi1_set_ib_cfg(struct hfi1_pportdata *ppd, int which, u32 val)
10428 case HFI1_IB_CFG_LIDLMC:
10431 case HFI1_IB_CFG_VL_HIGH_LIMIT:
10433 * The VL Arbitrator high limit is sent in units of 4k
10434 * bytes, while HFI stores it in units of 64 bytes.
10437 reg = ((u64)val & SEND_HIGH_PRIORITY_LIMIT_LIMIT_MASK)
10438 << SEND_HIGH_PRIORITY_LIMIT_LIMIT_SHIFT;
10439 write_csr(ppd->dd, SEND_HIGH_PRIORITY_LIMIT, reg);
10441 case HFI1_IB_CFG_LINKDEFAULT: /* IB link default (sleep/poll) */
10442 /* HFI only supports POLL as the default link down state */
10443 if (val != HLS_DN_POLL)
10446 case HFI1_IB_CFG_OP_VLS:
10447 if (ppd->vls_operational != val) {
10448 ppd->vls_operational = val;
10454 * For link width, link width downgrade, and speed enable, always AND
10455 * the setting with what is actually supported. This has two benefits.
10456 * First, enabled can't have unsupported values, no matter what the
10457 * SM or FM might want. Second, the ALL_SUPPORTED wildcards that mean
10458 * "fill in with your supported value" have all the bits in the
10459 * field set, so simply ANDing with supported has the desired result.
10461 case HFI1_IB_CFG_LWID_ENB: /* set allowed Link-width */
10462 ppd->link_width_enabled = val & ppd->link_width_supported;
10464 case HFI1_IB_CFG_LWID_DG_ENB: /* set allowed link width downgrade */
10465 ppd->link_width_downgrade_enabled =
10466 val & ppd->link_width_downgrade_supported;
10468 case HFI1_IB_CFG_SPD_ENB: /* allowed Link speeds */
10469 ppd->link_speed_enabled = val & ppd->link_speed_supported;
10471 case HFI1_IB_CFG_OVERRUN_THRESH: /* IB overrun threshold */
10473 * HFI does not follow IB specs, save this value
10474 * so we can report it, if asked.
10476 ppd->overrun_threshold = val;
10478 case HFI1_IB_CFG_PHYERR_THRESH: /* IB PHY error threshold */
10480 * HFI does not follow IB specs, save this value
10481 * so we can report it, if asked.
10483 ppd->phy_error_threshold = val;
10486 case HFI1_IB_CFG_MTU:
10487 set_send_length(ppd);
10490 case HFI1_IB_CFG_PKEYS:
10491 if (HFI1_CAP_IS_KSET(PKEY_CHECK))
10492 set_partition_keys(ppd);
10496 if (HFI1_CAP_IS_KSET(PRINT_UNIMPL))
10497 dd_dev_info(ppd->dd,
10498 "%s: which %s, val 0x%x: not implemented\n",
10499 __func__, ib_cfg_name(which), val);
10505 /* begin functions related to vl arbitration table caching */
10506 static void init_vl_arb_caches(struct hfi1_pportdata *ppd)
10510 BUILD_BUG_ON(VL_ARB_TABLE_SIZE !=
10511 VL_ARB_LOW_PRIO_TABLE_SIZE);
10512 BUILD_BUG_ON(VL_ARB_TABLE_SIZE !=
10513 VL_ARB_HIGH_PRIO_TABLE_SIZE);
10516 * Note that we always return values directly from the
10517 * 'vl_arb_cache' (and do no CSR reads) in response to a
10518 * 'Get(VLArbTable)'. This is obviously correct after a
10519 * 'Set(VLArbTable)', since the cache will then be up to
10520 * date. But it's also correct prior to any 'Set(VLArbTable)'
10521 * since then both the cache, and the relevant h/w registers
10525 for (i = 0; i < MAX_PRIO_TABLE; i++)
10526 spin_lock_init(&ppd->vl_arb_cache[i].lock);
10530 * vl_arb_lock_cache
10532 * All other vl_arb_* functions should be called only after locking
10535 static inline struct vl_arb_cache *
10536 vl_arb_lock_cache(struct hfi1_pportdata *ppd, int idx)
10538 if (idx != LO_PRIO_TABLE && idx != HI_PRIO_TABLE)
10540 spin_lock(&ppd->vl_arb_cache[idx].lock);
10541 return &ppd->vl_arb_cache[idx];
10544 static inline void vl_arb_unlock_cache(struct hfi1_pportdata *ppd, int idx)
10546 spin_unlock(&ppd->vl_arb_cache[idx].lock);
10549 static void vl_arb_get_cache(struct vl_arb_cache *cache,
10550 struct ib_vl_weight_elem *vl)
10552 memcpy(vl, cache->table, VL_ARB_TABLE_SIZE * sizeof(*vl));
10555 static void vl_arb_set_cache(struct vl_arb_cache *cache,
10556 struct ib_vl_weight_elem *vl)
10558 memcpy(cache->table, vl, VL_ARB_TABLE_SIZE * sizeof(*vl));
10561 static int vl_arb_match_cache(struct vl_arb_cache *cache,
10562 struct ib_vl_weight_elem *vl)
10564 return !memcmp(cache->table, vl, VL_ARB_TABLE_SIZE * sizeof(*vl));
10567 /* end functions related to vl arbitration table caching */
10569 static int set_vl_weights(struct hfi1_pportdata *ppd, u32 target,
10570 u32 size, struct ib_vl_weight_elem *vl)
10572 struct hfi1_devdata *dd = ppd->dd;
10574 unsigned int i, is_up = 0;
10575 int drain, ret = 0;
10577 mutex_lock(&ppd->hls_lock);
10579 if (ppd->host_link_state & HLS_UP)
10582 drain = !is_ax(dd) && is_up;
10586 * Before adjusting VL arbitration weights, empty per-VL
10587 * FIFOs, otherwise a packet whose VL weight is being
10588 * set to 0 could get stuck in a FIFO with no chance to
10591 ret = stop_drain_data_vls(dd);
10596 "%s: cannot stop/drain VLs - refusing to change VL arbitration weights\n",
10601 for (i = 0; i < size; i++, vl++) {
10603 * NOTE: The low priority shift and mask are used here, but
10604 * they are the same for both the low and high registers.
10606 reg = (((u64)vl->vl & SEND_LOW_PRIORITY_LIST_VL_MASK)
10607 << SEND_LOW_PRIORITY_LIST_VL_SHIFT)
10608 | (((u64)vl->weight
10609 & SEND_LOW_PRIORITY_LIST_WEIGHT_MASK)
10610 << SEND_LOW_PRIORITY_LIST_WEIGHT_SHIFT);
10611 write_csr(dd, target + (i * 8), reg);
10613 pio_send_control(dd, PSC_GLOBAL_VLARB_ENABLE);
10616 open_fill_data_vls(dd); /* reopen all VLs */
10619 mutex_unlock(&ppd->hls_lock);
10625 * Read one credit merge VL register.
10627 static void read_one_cm_vl(struct hfi1_devdata *dd, u32 csr,
10628 struct vl_limit *vll)
10630 u64 reg = read_csr(dd, csr);
10632 vll->dedicated = cpu_to_be16(
10633 (reg >> SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SHIFT)
10634 & SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_MASK);
10635 vll->shared = cpu_to_be16(
10636 (reg >> SEND_CM_CREDIT_VL_SHARED_LIMIT_VL_SHIFT)
10637 & SEND_CM_CREDIT_VL_SHARED_LIMIT_VL_MASK);
10641 * Read the current credit merge limits.
10643 static int get_buffer_control(struct hfi1_devdata *dd,
10644 struct buffer_control *bc, u16 *overall_limit)
10649 /* not all entries are filled in */
10650 memset(bc, 0, sizeof(*bc));
10652 /* OPA and HFI have a 1-1 mapping */
10653 for (i = 0; i < TXE_NUM_DATA_VL; i++)
10654 read_one_cm_vl(dd, SEND_CM_CREDIT_VL + (8 * i), &bc->vl[i]);
10656 /* NOTE: assumes that VL* and VL15 CSRs are bit-wise identical */
10657 read_one_cm_vl(dd, SEND_CM_CREDIT_VL15, &bc->vl[15]);
10659 reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT);
10660 bc->overall_shared_limit = cpu_to_be16(
10661 (reg >> SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT)
10662 & SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_MASK);
10664 *overall_limit = (reg
10665 >> SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT)
10666 & SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_MASK;
10667 return sizeof(struct buffer_control);
10670 static int get_sc2vlnt(struct hfi1_devdata *dd, struct sc2vlnt *dp)
10675 /* each register contains 16 SC->VLnt mappings, 4 bits each */
10676 reg = read_csr(dd, DCC_CFG_SC_VL_TABLE_15_0);
10677 for (i = 0; i < sizeof(u64); i++) {
10678 u8 byte = *(((u8 *)®) + i);
10680 dp->vlnt[2 * i] = byte & 0xf;
10681 dp->vlnt[(2 * i) + 1] = (byte & 0xf0) >> 4;
10684 reg = read_csr(dd, DCC_CFG_SC_VL_TABLE_31_16);
10685 for (i = 0; i < sizeof(u64); i++) {
10686 u8 byte = *(((u8 *)®) + i);
10688 dp->vlnt[16 + (2 * i)] = byte & 0xf;
10689 dp->vlnt[16 + (2 * i) + 1] = (byte & 0xf0) >> 4;
10691 return sizeof(struct sc2vlnt);
10694 static void get_vlarb_preempt(struct hfi1_devdata *dd, u32 nelems,
10695 struct ib_vl_weight_elem *vl)
10699 for (i = 0; i < nelems; i++, vl++) {
10705 static void set_sc2vlnt(struct hfi1_devdata *dd, struct sc2vlnt *dp)
10707 write_csr(dd, DCC_CFG_SC_VL_TABLE_15_0,
10709 0, dp->vlnt[0] & 0xf,
10710 1, dp->vlnt[1] & 0xf,
10711 2, dp->vlnt[2] & 0xf,
10712 3, dp->vlnt[3] & 0xf,
10713 4, dp->vlnt[4] & 0xf,
10714 5, dp->vlnt[5] & 0xf,
10715 6, dp->vlnt[6] & 0xf,
10716 7, dp->vlnt[7] & 0xf,
10717 8, dp->vlnt[8] & 0xf,
10718 9, dp->vlnt[9] & 0xf,
10719 10, dp->vlnt[10] & 0xf,
10720 11, dp->vlnt[11] & 0xf,
10721 12, dp->vlnt[12] & 0xf,
10722 13, dp->vlnt[13] & 0xf,
10723 14, dp->vlnt[14] & 0xf,
10724 15, dp->vlnt[15] & 0xf));
10725 write_csr(dd, DCC_CFG_SC_VL_TABLE_31_16,
10726 DC_SC_VL_VAL(31_16,
10727 16, dp->vlnt[16] & 0xf,
10728 17, dp->vlnt[17] & 0xf,
10729 18, dp->vlnt[18] & 0xf,
10730 19, dp->vlnt[19] & 0xf,
10731 20, dp->vlnt[20] & 0xf,
10732 21, dp->vlnt[21] & 0xf,
10733 22, dp->vlnt[22] & 0xf,
10734 23, dp->vlnt[23] & 0xf,
10735 24, dp->vlnt[24] & 0xf,
10736 25, dp->vlnt[25] & 0xf,
10737 26, dp->vlnt[26] & 0xf,
10738 27, dp->vlnt[27] & 0xf,
10739 28, dp->vlnt[28] & 0xf,
10740 29, dp->vlnt[29] & 0xf,
10741 30, dp->vlnt[30] & 0xf,
10742 31, dp->vlnt[31] & 0xf));
10745 static void nonzero_msg(struct hfi1_devdata *dd, int idx, const char *what,
10749 dd_dev_info(dd, "Invalid %s limit %d on VL %d, ignoring\n",
10750 what, (int)limit, idx);
10753 /* change only the shared limit portion of SendCmGLobalCredit */
10754 static void set_global_shared(struct hfi1_devdata *dd, u16 limit)
10758 reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT);
10759 reg &= ~SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SMASK;
10760 reg |= (u64)limit << SEND_CM_GLOBAL_CREDIT_SHARED_LIMIT_SHIFT;
10761 write_csr(dd, SEND_CM_GLOBAL_CREDIT, reg);
10764 /* change only the total credit limit portion of SendCmGLobalCredit */
10765 static void set_global_limit(struct hfi1_devdata *dd, u16 limit)
10769 reg = read_csr(dd, SEND_CM_GLOBAL_CREDIT);
10770 reg &= ~SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SMASK;
10771 reg |= (u64)limit << SEND_CM_GLOBAL_CREDIT_TOTAL_CREDIT_LIMIT_SHIFT;
10772 write_csr(dd, SEND_CM_GLOBAL_CREDIT, reg);
10775 /* set the given per-VL shared limit */
10776 static void set_vl_shared(struct hfi1_devdata *dd, int vl, u16 limit)
10781 if (vl < TXE_NUM_DATA_VL)
10782 addr = SEND_CM_CREDIT_VL + (8 * vl);
10784 addr = SEND_CM_CREDIT_VL15;
10786 reg = read_csr(dd, addr);
10787 reg &= ~SEND_CM_CREDIT_VL_SHARED_LIMIT_VL_SMASK;
10788 reg |= (u64)limit << SEND_CM_CREDIT_VL_SHARED_LIMIT_VL_SHIFT;
10789 write_csr(dd, addr, reg);
10792 /* set the given per-VL dedicated limit */
10793 static void set_vl_dedicated(struct hfi1_devdata *dd, int vl, u16 limit)
10798 if (vl < TXE_NUM_DATA_VL)
10799 addr = SEND_CM_CREDIT_VL + (8 * vl);
10801 addr = SEND_CM_CREDIT_VL15;
10803 reg = read_csr(dd, addr);
10804 reg &= ~SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SMASK;
10805 reg |= (u64)limit << SEND_CM_CREDIT_VL_DEDICATED_LIMIT_VL_SHIFT;
10806 write_csr(dd, addr, reg);
10809 /* spin until the given per-VL status mask bits clear */
10810 static void wait_for_vl_status_clear(struct hfi1_devdata *dd, u64 mask,
10813 unsigned long timeout;
10816 timeout = jiffies + msecs_to_jiffies(VL_STATUS_CLEAR_TIMEOUT);
10818 reg = read_csr(dd, SEND_CM_CREDIT_USED_STATUS) & mask;
10821 return; /* success */
10822 if (time_after(jiffies, timeout))
10823 break; /* timed out */
10828 "%s credit change status not clearing after %dms, mask 0x%llx, not clear 0x%llx\n",
10829 which, VL_STATUS_CLEAR_TIMEOUT, mask, reg);
10831 * If this occurs, it is likely there was a credit loss on the link.
10832 * The only recovery from that is a link bounce.
10835 "Continuing anyway. A credit loss may occur. Suggest a link bounce\n");
10839 * The number of credits on the VLs may be changed while everything
10840 * is "live", but the following algorithm must be followed due to
10841 * how the hardware is actually implemented. In particular,
10842 * Return_Credit_Status[] is the only correct status check.
10844 * if (reducing Global_Shared_Credit_Limit or any shared limit changing)
10845 * set Global_Shared_Credit_Limit = 0
10847 * mask0 = all VLs that are changing either dedicated or shared limits
10848 * set Shared_Limit[mask0] = 0
10849 * spin until Return_Credit_Status[use_all_vl ? all VL : mask0] == 0
10850 * if (changing any dedicated limit)
10851 * mask1 = all VLs that are lowering dedicated limits
10852 * lower Dedicated_Limit[mask1]
10853 * spin until Return_Credit_Status[mask1] == 0
10854 * raise Dedicated_Limits
10855 * raise Shared_Limits
10856 * raise Global_Shared_Credit_Limit
10858 * lower = if the new limit is lower, set the limit to the new value
10859 * raise = if the new limit is higher than the current value (may be changed
10860 * earlier in the algorithm), set the new limit to the new value
10862 int set_buffer_control(struct hfi1_pportdata *ppd,
10863 struct buffer_control *new_bc)
10865 struct hfi1_devdata *dd = ppd->dd;
10866 u64 changing_mask, ld_mask, stat_mask;
10868 int i, use_all_mask;
10869 int this_shared_changing;
10870 int vl_count = 0, ret;
10872 * A0: add the variable any_shared_limit_changing below and in the
10873 * algorithm above. If removing A0 support, it can be removed.
10875 int any_shared_limit_changing;
10876 struct buffer_control cur_bc;
10877 u8 changing[OPA_MAX_VLS];
10878 u8 lowering_dedicated[OPA_MAX_VLS];
10881 const u64 all_mask =
10882 SEND_CM_CREDIT_USED_STATUS_VL0_RETURN_CREDIT_STATUS_SMASK
10883 | SEND_CM_CREDIT_USED_STATUS_VL1_RETURN_CREDIT_STATUS_SMASK
10884 | SEND_CM_CREDIT_USED_STATUS_VL2_RETURN_CREDIT_STATUS_SMASK
10885 | SEND_CM_CREDIT_USED_STATUS_VL3_RETURN_CREDIT_STATUS_SMASK
10886 | SEND_CM_CREDIT_USED_STATUS_VL4_RETURN_CREDIT_STATUS_SMASK
10887 | SEND_CM_CREDIT_USED_STATUS_VL5_RETURN_CREDIT_STATUS_SMASK
10888 | SEND_CM_CREDIT_USED_STATUS_VL6_RETURN_CREDIT_STATUS_SMASK
10889 | SEND_CM_CREDIT_USED_STATUS_VL7_RETURN_CREDIT_STATUS_SMASK
10890 | SEND_CM_CREDIT_USED_STATUS_VL15_RETURN_CREDIT_STATUS_SMASK;
10892 #define valid_vl(idx) ((idx) < TXE_NUM_DATA_VL || (idx) == 15)
10893 #define NUM_USABLE_VLS 16 /* look at VL15 and less */
10895 /* find the new total credits, do sanity check on unused VLs */
10896 for (i = 0; i < OPA_MAX_VLS; i++) {
10898 new_total += be16_to_cpu(new_bc->vl[i].dedicated);
10901 nonzero_msg(dd, i, "dedicated",
10902 be16_to_cpu(new_bc->vl[i].dedicated));
10903 nonzero_msg(dd, i, "shared",
10904 be16_to_cpu(new_bc->vl[i].shared));
10905 new_bc->vl[i].dedicated = 0;
10906 new_bc->vl[i].shared = 0;
10908 new_total += be16_to_cpu(new_bc->overall_shared_limit);
10910 /* fetch the current values */
10911 get_buffer_control(dd, &cur_bc, &cur_total);
10914 * Create the masks we will use.
10916 memset(changing, 0, sizeof(changing));
10917 memset(lowering_dedicated, 0, sizeof(lowering_dedicated));
10919 * NOTE: Assumes that the individual VL bits are adjacent and in
10923 SEND_CM_CREDIT_USED_STATUS_VL0_RETURN_CREDIT_STATUS_SMASK;
10927 any_shared_limit_changing = 0;
10928 for (i = 0; i < NUM_USABLE_VLS; i++, stat_mask <<= 1) {
10931 this_shared_changing = new_bc->vl[i].shared
10932 != cur_bc.vl[i].shared;
10933 if (this_shared_changing)
10934 any_shared_limit_changing = 1;
10935 if (new_bc->vl[i].dedicated != cur_bc.vl[i].dedicated ||
10936 this_shared_changing) {
10938 changing_mask |= stat_mask;
10941 if (be16_to_cpu(new_bc->vl[i].dedicated) <
10942 be16_to_cpu(cur_bc.vl[i].dedicated)) {
10943 lowering_dedicated[i] = 1;
10944 ld_mask |= stat_mask;
10948 /* bracket the credit change with a total adjustment */
10949 if (new_total > cur_total)
10950 set_global_limit(dd, new_total);
10953 * Start the credit change algorithm.
10956 if ((be16_to_cpu(new_bc->overall_shared_limit) <
10957 be16_to_cpu(cur_bc.overall_shared_limit)) ||
10958 (is_ax(dd) && any_shared_limit_changing)) {
10959 set_global_shared(dd, 0);
10960 cur_bc.overall_shared_limit = 0;
10964 for (i = 0; i < NUM_USABLE_VLS; i++) {
10969 set_vl_shared(dd, i, 0);
10970 cur_bc.vl[i].shared = 0;
10974 wait_for_vl_status_clear(dd, use_all_mask ? all_mask : changing_mask,
10977 if (change_count > 0) {
10978 for (i = 0; i < NUM_USABLE_VLS; i++) {
10982 if (lowering_dedicated[i]) {
10983 set_vl_dedicated(dd, i,
10984 be16_to_cpu(new_bc->
10986 cur_bc.vl[i].dedicated =
10987 new_bc->vl[i].dedicated;
10991 wait_for_vl_status_clear(dd, ld_mask, "dedicated");
10993 /* now raise all dedicated that are going up */
10994 for (i = 0; i < NUM_USABLE_VLS; i++) {
10998 if (be16_to_cpu(new_bc->vl[i].dedicated) >
10999 be16_to_cpu(cur_bc.vl[i].dedicated))
11000 set_vl_dedicated(dd, i,
11001 be16_to_cpu(new_bc->
11006 /* next raise all shared that are going up */
11007 for (i = 0; i < NUM_USABLE_VLS; i++) {
11011 if (be16_to_cpu(new_bc->vl[i].shared) >
11012 be16_to_cpu(cur_bc.vl[i].shared))
11013 set_vl_shared(dd, i, be16_to_cpu(new_bc->vl[i].shared));
11016 /* finally raise the global shared */
11017 if (be16_to_cpu(new_bc->overall_shared_limit) >
11018 be16_to_cpu(cur_bc.overall_shared_limit))
11019 set_global_shared(dd,
11020 be16_to_cpu(new_bc->overall_shared_limit));
11022 /* bracket the credit change with a total adjustment */
11023 if (new_total < cur_total)
11024 set_global_limit(dd, new_total);
11027 * Determine the actual number of operational VLS using the number of
11028 * dedicated and shared credits for each VL.
11030 if (change_count > 0) {
11031 for (i = 0; i < TXE_NUM_DATA_VL; i++)
11032 if (be16_to_cpu(new_bc->vl[i].dedicated) > 0 ||
11033 be16_to_cpu(new_bc->vl[i].shared) > 0)
11035 ppd->actual_vls_operational = vl_count;
11036 ret = sdma_map_init(dd, ppd->port - 1, vl_count ?
11037 ppd->actual_vls_operational :
11038 ppd->vls_operational,
11041 ret = pio_map_init(dd, ppd->port - 1, vl_count ?
11042 ppd->actual_vls_operational :
11043 ppd->vls_operational, NULL);
11051 * Read the given fabric manager table. Return the size of the
11052 * table (in bytes) on success, and a negative error code on
11055 int fm_get_table(struct hfi1_pportdata *ppd, int which, void *t)
11059 struct vl_arb_cache *vlc;
11062 case FM_TBL_VL_HIGH_ARB:
11065 * OPA specifies 128 elements (of 2 bytes each), though
11066 * HFI supports only 16 elements in h/w.
11068 vlc = vl_arb_lock_cache(ppd, HI_PRIO_TABLE);
11069 vl_arb_get_cache(vlc, t);
11070 vl_arb_unlock_cache(ppd, HI_PRIO_TABLE);
11072 case FM_TBL_VL_LOW_ARB:
11075 * OPA specifies 128 elements (of 2 bytes each), though
11076 * HFI supports only 16 elements in h/w.
11078 vlc = vl_arb_lock_cache(ppd, LO_PRIO_TABLE);
11079 vl_arb_get_cache(vlc, t);
11080 vl_arb_unlock_cache(ppd, LO_PRIO_TABLE);
11082 case FM_TBL_BUFFER_CONTROL:
11083 size = get_buffer_control(ppd->dd, t, NULL);
11085 case FM_TBL_SC2VLNT:
11086 size = get_sc2vlnt(ppd->dd, t);
11088 case FM_TBL_VL_PREEMPT_ELEMS:
11090 /* OPA specifies 128 elements, of 2 bytes each */
11091 get_vlarb_preempt(ppd->dd, OPA_MAX_VLS, t);
11093 case FM_TBL_VL_PREEMPT_MATRIX:
11096 * OPA specifies that this is the same size as the VL
11097 * arbitration tables (i.e., 256 bytes).
11107 * Write the given fabric manager table.
11109 int fm_set_table(struct hfi1_pportdata *ppd, int which, void *t)
11112 struct vl_arb_cache *vlc;
11115 case FM_TBL_VL_HIGH_ARB:
11116 vlc = vl_arb_lock_cache(ppd, HI_PRIO_TABLE);
11117 if (vl_arb_match_cache(vlc, t)) {
11118 vl_arb_unlock_cache(ppd, HI_PRIO_TABLE);
11121 vl_arb_set_cache(vlc, t);
11122 vl_arb_unlock_cache(ppd, HI_PRIO_TABLE);
11123 ret = set_vl_weights(ppd, SEND_HIGH_PRIORITY_LIST,
11124 VL_ARB_HIGH_PRIO_TABLE_SIZE, t);
11126 case FM_TBL_VL_LOW_ARB:
11127 vlc = vl_arb_lock_cache(ppd, LO_PRIO_TABLE);
11128 if (vl_arb_match_cache(vlc, t)) {
11129 vl_arb_unlock_cache(ppd, LO_PRIO_TABLE);
11132 vl_arb_set_cache(vlc, t);
11133 vl_arb_unlock_cache(ppd, LO_PRIO_TABLE);
11134 ret = set_vl_weights(ppd, SEND_LOW_PRIORITY_LIST,
11135 VL_ARB_LOW_PRIO_TABLE_SIZE, t);
11137 case FM_TBL_BUFFER_CONTROL:
11138 ret = set_buffer_control(ppd, t);
11140 case FM_TBL_SC2VLNT:
11141 set_sc2vlnt(ppd->dd, t);
11150 * Disable all data VLs.
11152 * Return 0 if disabled, non-zero if the VLs cannot be disabled.
11154 static int disable_data_vls(struct hfi1_devdata *dd)
11159 pio_send_control(dd, PSC_DATA_VL_DISABLE);
11165 * open_fill_data_vls() - the counterpart to stop_drain_data_vls().
11166 * Just re-enables all data VLs (the "fill" part happens
11167 * automatically - the name was chosen for symmetry with
11168 * stop_drain_data_vls()).
11170 * Return 0 if successful, non-zero if the VLs cannot be enabled.
11172 int open_fill_data_vls(struct hfi1_devdata *dd)
11177 pio_send_control(dd, PSC_DATA_VL_ENABLE);
11183 * drain_data_vls() - assumes that disable_data_vls() has been called,
11184 * wait for occupancy (of per-VL FIFOs) for all contexts, and SDMA
11185 * engines to drop to 0.
11187 static void drain_data_vls(struct hfi1_devdata *dd)
11191 pause_for_credit_return(dd);
11195 * stop_drain_data_vls() - disable, then drain all per-VL fifos.
11197 * Use open_fill_data_vls() to resume using data VLs. This pair is
11198 * meant to be used like this:
11200 * stop_drain_data_vls(dd);
11201 * // do things with per-VL resources
11202 * open_fill_data_vls(dd);
11204 int stop_drain_data_vls(struct hfi1_devdata *dd)
11208 ret = disable_data_vls(dd);
11210 drain_data_vls(dd);
11216 * Convert a nanosecond time to a cclock count. No matter how slow
11217 * the cclock, a non-zero ns will always have a non-zero result.
11219 u32 ns_to_cclock(struct hfi1_devdata *dd, u32 ns)
11223 if (dd->icode == ICODE_FPGA_EMULATION)
11224 cclocks = (ns * 1000) / FPGA_CCLOCK_PS;
11225 else /* simulation pretends to be ASIC */
11226 cclocks = (ns * 1000) / ASIC_CCLOCK_PS;
11227 if (ns && !cclocks) /* if ns nonzero, must be at least 1 */
11233 * Convert a cclock count to nanoseconds. Not matter how slow
11234 * the cclock, a non-zero cclocks will always have a non-zero result.
11236 u32 cclock_to_ns(struct hfi1_devdata *dd, u32 cclocks)
11240 if (dd->icode == ICODE_FPGA_EMULATION)
11241 ns = (cclocks * FPGA_CCLOCK_PS) / 1000;
11242 else /* simulation pretends to be ASIC */
11243 ns = (cclocks * ASIC_CCLOCK_PS) / 1000;
11244 if (cclocks && !ns)
11250 * Dynamically adjust the receive interrupt timeout for a context based on
11251 * incoming packet rate.
11253 * NOTE: Dynamic adjustment does not allow rcv_intr_count to be zero.
11255 static void adjust_rcv_timeout(struct hfi1_ctxtdata *rcd, u32 npkts)
11257 struct hfi1_devdata *dd = rcd->dd;
11258 u32 timeout = rcd->rcvavail_timeout;
11261 * This algorithm doubles or halves the timeout depending on whether
11262 * the number of packets received in this interrupt were less than or
11263 * greater equal the interrupt count.
11265 * The calculations below do not allow a steady state to be achieved.
11266 * Only at the endpoints it is possible to have an unchanging
11269 if (npkts < rcv_intr_count) {
11271 * Not enough packets arrived before the timeout, adjust
11272 * timeout downward.
11274 if (timeout < 2) /* already at minimum? */
11279 * More than enough packets arrived before the timeout, adjust
11282 if (timeout >= dd->rcv_intr_timeout_csr) /* already at max? */
11284 timeout = min(timeout << 1, dd->rcv_intr_timeout_csr);
11287 rcd->rcvavail_timeout = timeout;
11289 * timeout cannot be larger than rcv_intr_timeout_csr which has already
11290 * been verified to be in range
11292 write_kctxt_csr(dd, rcd->ctxt, RCV_AVAIL_TIME_OUT,
11294 RCV_AVAIL_TIME_OUT_TIME_OUT_RELOAD_SHIFT);
11297 void update_usrhead(struct hfi1_ctxtdata *rcd, u32 hd, u32 updegr, u32 egrhd,
11298 u32 intr_adjust, u32 npkts)
11300 struct hfi1_devdata *dd = rcd->dd;
11302 u32 ctxt = rcd->ctxt;
11305 * Need to write timeout register before updating RcvHdrHead to ensure
11306 * that a new value is used when the HW decides to restart counting.
11309 adjust_rcv_timeout(rcd, npkts);
11311 reg = (egrhd & RCV_EGR_INDEX_HEAD_HEAD_MASK)
11312 << RCV_EGR_INDEX_HEAD_HEAD_SHIFT;
11313 write_uctxt_csr(dd, ctxt, RCV_EGR_INDEX_HEAD, reg);
11316 reg = ((u64)rcv_intr_count << RCV_HDR_HEAD_COUNTER_SHIFT) |
11317 (((u64)hd & RCV_HDR_HEAD_HEAD_MASK)
11318 << RCV_HDR_HEAD_HEAD_SHIFT);
11319 write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, reg);
11323 u32 hdrqempty(struct hfi1_ctxtdata *rcd)
11327 head = (read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_HEAD)
11328 & RCV_HDR_HEAD_HEAD_SMASK) >> RCV_HDR_HEAD_HEAD_SHIFT;
11330 if (rcd->rcvhdrtail_kvaddr)
11331 tail = get_rcvhdrtail(rcd);
11333 tail = read_uctxt_csr(rcd->dd, rcd->ctxt, RCV_HDR_TAIL);
11335 return head == tail;
11339 * Context Control and Receive Array encoding for buffer size:
11348 * 0x8 512 KB (Receive Array only)
11349 * 0x9 1 MB (Receive Array only)
11350 * 0xa 2 MB (Receive Array only)
11352 * 0xB-0xF - reserved (Receive Array only)
11355 * This routine assumes that the value has already been sanity checked.
11357 static u32 encoded_size(u32 size)
11360 case 4 * 1024: return 0x1;
11361 case 8 * 1024: return 0x2;
11362 case 16 * 1024: return 0x3;
11363 case 32 * 1024: return 0x4;
11364 case 64 * 1024: return 0x5;
11365 case 128 * 1024: return 0x6;
11366 case 256 * 1024: return 0x7;
11367 case 512 * 1024: return 0x8;
11368 case 1 * 1024 * 1024: return 0x9;
11369 case 2 * 1024 * 1024: return 0xa;
11371 return 0x1; /* if invalid, go with the minimum size */
11374 void hfi1_rcvctrl(struct hfi1_devdata *dd, unsigned int op, int ctxt)
11376 struct hfi1_ctxtdata *rcd;
11378 int did_enable = 0;
11380 rcd = dd->rcd[ctxt];
11384 hfi1_cdbg(RCVCTRL, "ctxt %d op 0x%x", ctxt, op);
11386 rcvctrl = read_kctxt_csr(dd, ctxt, RCV_CTXT_CTRL);
11387 /* if the context already enabled, don't do the extra steps */
11388 if ((op & HFI1_RCVCTRL_CTXT_ENB) &&
11389 !(rcvctrl & RCV_CTXT_CTRL_ENABLE_SMASK)) {
11390 /* reset the tail and hdr addresses, and sequence count */
11391 write_kctxt_csr(dd, ctxt, RCV_HDR_ADDR,
11392 rcd->rcvhdrq_phys);
11393 if (HFI1_CAP_KGET_MASK(rcd->flags, DMA_RTAIL))
11394 write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR,
11395 rcd->rcvhdrqtailaddr_phys);
11398 /* reset the cached receive header queue head value */
11402 * Zero the receive header queue so we don't get false
11403 * positives when checking the sequence number. The
11404 * sequence numbers could land exactly on the same spot.
11405 * E.g. a rcd restart before the receive header wrapped.
11407 memset(rcd->rcvhdrq, 0, rcd->rcvhdrq_size);
11409 /* starting timeout */
11410 rcd->rcvavail_timeout = dd->rcv_intr_timeout_csr;
11412 /* enable the context */
11413 rcvctrl |= RCV_CTXT_CTRL_ENABLE_SMASK;
11415 /* clean the egr buffer size first */
11416 rcvctrl &= ~RCV_CTXT_CTRL_EGR_BUF_SIZE_SMASK;
11417 rcvctrl |= ((u64)encoded_size(rcd->egrbufs.rcvtid_size)
11418 & RCV_CTXT_CTRL_EGR_BUF_SIZE_MASK)
11419 << RCV_CTXT_CTRL_EGR_BUF_SIZE_SHIFT;
11421 /* zero RcvHdrHead - set RcvHdrHead.Counter after enable */
11422 write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, 0);
11425 /* zero RcvEgrIndexHead */
11426 write_uctxt_csr(dd, ctxt, RCV_EGR_INDEX_HEAD, 0);
11428 /* set eager count and base index */
11429 reg = (((u64)(rcd->egrbufs.alloced >> RCV_SHIFT)
11430 & RCV_EGR_CTRL_EGR_CNT_MASK)
11431 << RCV_EGR_CTRL_EGR_CNT_SHIFT) |
11432 (((rcd->eager_base >> RCV_SHIFT)
11433 & RCV_EGR_CTRL_EGR_BASE_INDEX_MASK)
11434 << RCV_EGR_CTRL_EGR_BASE_INDEX_SHIFT);
11435 write_kctxt_csr(dd, ctxt, RCV_EGR_CTRL, reg);
11438 * Set TID (expected) count and base index.
11439 * rcd->expected_count is set to individual RcvArray entries,
11440 * not pairs, and the CSR takes a pair-count in groups of
11441 * four, so divide by 8.
11443 reg = (((rcd->expected_count >> RCV_SHIFT)
11444 & RCV_TID_CTRL_TID_PAIR_CNT_MASK)
11445 << RCV_TID_CTRL_TID_PAIR_CNT_SHIFT) |
11446 (((rcd->expected_base >> RCV_SHIFT)
11447 & RCV_TID_CTRL_TID_BASE_INDEX_MASK)
11448 << RCV_TID_CTRL_TID_BASE_INDEX_SHIFT);
11449 write_kctxt_csr(dd, ctxt, RCV_TID_CTRL, reg);
11450 if (ctxt == HFI1_CTRL_CTXT)
11451 write_csr(dd, RCV_VL15, HFI1_CTRL_CTXT);
11453 if (op & HFI1_RCVCTRL_CTXT_DIS) {
11454 write_csr(dd, RCV_VL15, 0);
11456 * When receive context is being disabled turn on tail
11457 * update with a dummy tail address and then disable
11460 if (dd->rcvhdrtail_dummy_physaddr) {
11461 write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR,
11462 dd->rcvhdrtail_dummy_physaddr);
11463 /* Enabling RcvCtxtCtrl.TailUpd is intentional. */
11464 rcvctrl |= RCV_CTXT_CTRL_TAIL_UPD_SMASK;
11467 rcvctrl &= ~RCV_CTXT_CTRL_ENABLE_SMASK;
11469 if (op & HFI1_RCVCTRL_INTRAVAIL_ENB)
11470 rcvctrl |= RCV_CTXT_CTRL_INTR_AVAIL_SMASK;
11471 if (op & HFI1_RCVCTRL_INTRAVAIL_DIS)
11472 rcvctrl &= ~RCV_CTXT_CTRL_INTR_AVAIL_SMASK;
11473 if (op & HFI1_RCVCTRL_TAILUPD_ENB && rcd->rcvhdrqtailaddr_phys)
11474 rcvctrl |= RCV_CTXT_CTRL_TAIL_UPD_SMASK;
11475 if (op & HFI1_RCVCTRL_TAILUPD_DIS) {
11476 /* See comment on RcvCtxtCtrl.TailUpd above */
11477 if (!(op & HFI1_RCVCTRL_CTXT_DIS))
11478 rcvctrl &= ~RCV_CTXT_CTRL_TAIL_UPD_SMASK;
11480 if (op & HFI1_RCVCTRL_TIDFLOW_ENB)
11481 rcvctrl |= RCV_CTXT_CTRL_TID_FLOW_ENABLE_SMASK;
11482 if (op & HFI1_RCVCTRL_TIDFLOW_DIS)
11483 rcvctrl &= ~RCV_CTXT_CTRL_TID_FLOW_ENABLE_SMASK;
11484 if (op & HFI1_RCVCTRL_ONE_PKT_EGR_ENB) {
11486 * In one-packet-per-eager mode, the size comes from
11487 * the RcvArray entry.
11489 rcvctrl &= ~RCV_CTXT_CTRL_EGR_BUF_SIZE_SMASK;
11490 rcvctrl |= RCV_CTXT_CTRL_ONE_PACKET_PER_EGR_BUFFER_SMASK;
11492 if (op & HFI1_RCVCTRL_ONE_PKT_EGR_DIS)
11493 rcvctrl &= ~RCV_CTXT_CTRL_ONE_PACKET_PER_EGR_BUFFER_SMASK;
11494 if (op & HFI1_RCVCTRL_NO_RHQ_DROP_ENB)
11495 rcvctrl |= RCV_CTXT_CTRL_DONT_DROP_RHQ_FULL_SMASK;
11496 if (op & HFI1_RCVCTRL_NO_RHQ_DROP_DIS)
11497 rcvctrl &= ~RCV_CTXT_CTRL_DONT_DROP_RHQ_FULL_SMASK;
11498 if (op & HFI1_RCVCTRL_NO_EGR_DROP_ENB)
11499 rcvctrl |= RCV_CTXT_CTRL_DONT_DROP_EGR_FULL_SMASK;
11500 if (op & HFI1_RCVCTRL_NO_EGR_DROP_DIS)
11501 rcvctrl &= ~RCV_CTXT_CTRL_DONT_DROP_EGR_FULL_SMASK;
11502 rcd->rcvctrl = rcvctrl;
11503 hfi1_cdbg(RCVCTRL, "ctxt %d rcvctrl 0x%llx\n", ctxt, rcvctrl);
11504 write_kctxt_csr(dd, ctxt, RCV_CTXT_CTRL, rcd->rcvctrl);
11506 /* work around sticky RcvCtxtStatus.BlockedRHQFull */
11508 (rcvctrl & RCV_CTXT_CTRL_DONT_DROP_RHQ_FULL_SMASK)) {
11509 reg = read_kctxt_csr(dd, ctxt, RCV_CTXT_STATUS);
11511 dd_dev_info(dd, "ctxt %d status %lld (blocked)\n",
11513 read_uctxt_csr(dd, ctxt, RCV_HDR_HEAD);
11514 write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, 0x10);
11515 write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, 0x00);
11516 read_uctxt_csr(dd, ctxt, RCV_HDR_HEAD);
11517 reg = read_kctxt_csr(dd, ctxt, RCV_CTXT_STATUS);
11518 dd_dev_info(dd, "ctxt %d status %lld (%s blocked)\n",
11519 ctxt, reg, reg == 0 ? "not" : "still");
11525 * The interrupt timeout and count must be set after
11526 * the context is enabled to take effect.
11528 /* set interrupt timeout */
11529 write_kctxt_csr(dd, ctxt, RCV_AVAIL_TIME_OUT,
11530 (u64)rcd->rcvavail_timeout <<
11531 RCV_AVAIL_TIME_OUT_TIME_OUT_RELOAD_SHIFT);
11533 /* set RcvHdrHead.Counter, zero RcvHdrHead.Head (again) */
11534 reg = (u64)rcv_intr_count << RCV_HDR_HEAD_COUNTER_SHIFT;
11535 write_uctxt_csr(dd, ctxt, RCV_HDR_HEAD, reg);
11538 if (op & (HFI1_RCVCTRL_TAILUPD_DIS | HFI1_RCVCTRL_CTXT_DIS))
11540 * If the context has been disabled and the Tail Update has
11541 * been cleared, set the RCV_HDR_TAIL_ADDR CSR to dummy address
11542 * so it doesn't contain an address that is invalid.
11544 write_kctxt_csr(dd, ctxt, RCV_HDR_TAIL_ADDR,
11545 dd->rcvhdrtail_dummy_physaddr);
11548 u32 hfi1_read_cntrs(struct hfi1_devdata *dd, char **namep, u64 **cntrp)
11554 ret = dd->cntrnameslen;
11555 *namep = dd->cntrnames;
11557 const struct cntr_entry *entry;
11560 ret = (dd->ndevcntrs) * sizeof(u64);
11562 /* Get the start of the block of counters */
11563 *cntrp = dd->cntrs;
11566 * Now go and fill in each counter in the block.
11568 for (i = 0; i < DEV_CNTR_LAST; i++) {
11569 entry = &dev_cntrs[i];
11570 hfi1_cdbg(CNTR, "reading %s", entry->name);
11571 if (entry->flags & CNTR_DISABLED) {
11573 hfi1_cdbg(CNTR, "\tDisabled\n");
11575 if (entry->flags & CNTR_VL) {
11576 hfi1_cdbg(CNTR, "\tPer VL\n");
11577 for (j = 0; j < C_VL_COUNT; j++) {
11578 val = entry->rw_cntr(entry,
11584 "\t\tRead 0x%llx for %d\n",
11586 dd->cntrs[entry->offset + j] =
11589 } else if (entry->flags & CNTR_SDMA) {
11591 "\t Per SDMA Engine\n");
11592 for (j = 0; j < dd->chip_sdma_engines;
11595 entry->rw_cntr(entry, dd, j,
11598 "\t\tRead 0x%llx for %d\n",
11600 dd->cntrs[entry->offset + j] =
11604 val = entry->rw_cntr(entry, dd,
11607 dd->cntrs[entry->offset] = val;
11608 hfi1_cdbg(CNTR, "\tRead 0x%llx", val);
11617 * Used by sysfs to create files for hfi stats to read
11619 u32 hfi1_read_portcntrs(struct hfi1_pportdata *ppd, char **namep, u64 **cntrp)
11625 ret = ppd->dd->portcntrnameslen;
11626 *namep = ppd->dd->portcntrnames;
11628 const struct cntr_entry *entry;
11631 ret = ppd->dd->nportcntrs * sizeof(u64);
11632 *cntrp = ppd->cntrs;
11634 for (i = 0; i < PORT_CNTR_LAST; i++) {
11635 entry = &port_cntrs[i];
11636 hfi1_cdbg(CNTR, "reading %s", entry->name);
11637 if (entry->flags & CNTR_DISABLED) {
11639 hfi1_cdbg(CNTR, "\tDisabled\n");
11643 if (entry->flags & CNTR_VL) {
11644 hfi1_cdbg(CNTR, "\tPer VL");
11645 for (j = 0; j < C_VL_COUNT; j++) {
11646 val = entry->rw_cntr(entry, ppd, j,
11651 "\t\tRead 0x%llx for %d",
11653 ppd->cntrs[entry->offset + j] = val;
11656 val = entry->rw_cntr(entry, ppd,
11660 ppd->cntrs[entry->offset] = val;
11661 hfi1_cdbg(CNTR, "\tRead 0x%llx", val);
11668 static void free_cntrs(struct hfi1_devdata *dd)
11670 struct hfi1_pportdata *ppd;
11673 if (dd->synth_stats_timer.data)
11674 del_timer_sync(&dd->synth_stats_timer);
11675 dd->synth_stats_timer.data = 0;
11676 ppd = (struct hfi1_pportdata *)(dd + 1);
11677 for (i = 0; i < dd->num_pports; i++, ppd++) {
11679 kfree(ppd->scntrs);
11680 free_percpu(ppd->ibport_data.rvp.rc_acks);
11681 free_percpu(ppd->ibport_data.rvp.rc_qacks);
11682 free_percpu(ppd->ibport_data.rvp.rc_delayed_comp);
11684 ppd->scntrs = NULL;
11685 ppd->ibport_data.rvp.rc_acks = NULL;
11686 ppd->ibport_data.rvp.rc_qacks = NULL;
11687 ppd->ibport_data.rvp.rc_delayed_comp = NULL;
11689 kfree(dd->portcntrnames);
11690 dd->portcntrnames = NULL;
11695 kfree(dd->cntrnames);
11696 dd->cntrnames = NULL;
11699 static u64 read_dev_port_cntr(struct hfi1_devdata *dd, struct cntr_entry *entry,
11700 u64 *psval, void *context, int vl)
11705 if (entry->flags & CNTR_DISABLED) {
11706 dd_dev_err(dd, "Counter %s not enabled", entry->name);
11710 hfi1_cdbg(CNTR, "cntr: %s vl %d psval 0x%llx", entry->name, vl, *psval);
11712 val = entry->rw_cntr(entry, context, vl, CNTR_MODE_R, 0);
11714 /* If its a synthetic counter there is more work we need to do */
11715 if (entry->flags & CNTR_SYNTH) {
11716 if (sval == CNTR_MAX) {
11717 /* No need to read already saturated */
11721 if (entry->flags & CNTR_32BIT) {
11722 /* 32bit counters can wrap multiple times */
11723 u64 upper = sval >> 32;
11724 u64 lower = (sval << 32) >> 32;
11726 if (lower > val) { /* hw wrapped */
11727 if (upper == CNTR_32BIT_MAX)
11733 if (val != CNTR_MAX)
11734 val = (upper << 32) | val;
11737 /* If we rolled we are saturated */
11738 if ((val < sval) || (val > CNTR_MAX))
11745 hfi1_cdbg(CNTR, "\tNew val=0x%llx", val);
11750 static u64 write_dev_port_cntr(struct hfi1_devdata *dd,
11751 struct cntr_entry *entry,
11752 u64 *psval, void *context, int vl, u64 data)
11756 if (entry->flags & CNTR_DISABLED) {
11757 dd_dev_err(dd, "Counter %s not enabled", entry->name);
11761 hfi1_cdbg(CNTR, "cntr: %s vl %d psval 0x%llx", entry->name, vl, *psval);
11763 if (entry->flags & CNTR_SYNTH) {
11765 if (entry->flags & CNTR_32BIT) {
11766 val = entry->rw_cntr(entry, context, vl, CNTR_MODE_W,
11767 (data << 32) >> 32);
11768 val = data; /* return the full 64bit value */
11770 val = entry->rw_cntr(entry, context, vl, CNTR_MODE_W,
11774 val = entry->rw_cntr(entry, context, vl, CNTR_MODE_W, data);
11779 hfi1_cdbg(CNTR, "\tNew val=0x%llx", val);
11784 u64 read_dev_cntr(struct hfi1_devdata *dd, int index, int vl)
11786 struct cntr_entry *entry;
11789 entry = &dev_cntrs[index];
11790 sval = dd->scntrs + entry->offset;
11792 if (vl != CNTR_INVALID_VL)
11795 return read_dev_port_cntr(dd, entry, sval, dd, vl);
11798 u64 write_dev_cntr(struct hfi1_devdata *dd, int index, int vl, u64 data)
11800 struct cntr_entry *entry;
11803 entry = &dev_cntrs[index];
11804 sval = dd->scntrs + entry->offset;
11806 if (vl != CNTR_INVALID_VL)
11809 return write_dev_port_cntr(dd, entry, sval, dd, vl, data);
11812 u64 read_port_cntr(struct hfi1_pportdata *ppd, int index, int vl)
11814 struct cntr_entry *entry;
11817 entry = &port_cntrs[index];
11818 sval = ppd->scntrs + entry->offset;
11820 if (vl != CNTR_INVALID_VL)
11823 if ((index >= C_RCV_HDR_OVF_FIRST + ppd->dd->num_rcv_contexts) &&
11824 (index <= C_RCV_HDR_OVF_LAST)) {
11825 /* We do not want to bother for disabled contexts */
11829 return read_dev_port_cntr(ppd->dd, entry, sval, ppd, vl);
11832 u64 write_port_cntr(struct hfi1_pportdata *ppd, int index, int vl, u64 data)
11834 struct cntr_entry *entry;
11837 entry = &port_cntrs[index];
11838 sval = ppd->scntrs + entry->offset;
11840 if (vl != CNTR_INVALID_VL)
11843 if ((index >= C_RCV_HDR_OVF_FIRST + ppd->dd->num_rcv_contexts) &&
11844 (index <= C_RCV_HDR_OVF_LAST)) {
11845 /* We do not want to bother for disabled contexts */
11849 return write_dev_port_cntr(ppd->dd, entry, sval, ppd, vl, data);
11852 static void update_synth_timer(unsigned long opaque)
11859 struct hfi1_pportdata *ppd;
11860 struct cntr_entry *entry;
11862 struct hfi1_devdata *dd = (struct hfi1_devdata *)opaque;
11865 * Rather than keep beating on the CSRs pick a minimal set that we can
11866 * check to watch for potential roll over. We can do this by looking at
11867 * the number of flits sent/recv. If the total flits exceeds 32bits then
11868 * we have to iterate all the counters and update.
11870 entry = &dev_cntrs[C_DC_RCV_FLITS];
11871 cur_rx = entry->rw_cntr(entry, dd, CNTR_INVALID_VL, CNTR_MODE_R, 0);
11873 entry = &dev_cntrs[C_DC_XMIT_FLITS];
11874 cur_tx = entry->rw_cntr(entry, dd, CNTR_INVALID_VL, CNTR_MODE_R, 0);
11878 "[%d] curr tx=0x%llx rx=0x%llx :: last tx=0x%llx rx=0x%llx\n",
11879 dd->unit, cur_tx, cur_rx, dd->last_tx, dd->last_rx);
11881 if ((cur_tx < dd->last_tx) || (cur_rx < dd->last_rx)) {
11883 * May not be strictly necessary to update but it won't hurt and
11884 * simplifies the logic here.
11887 hfi1_cdbg(CNTR, "[%d] Tripwire counter rolled, updating",
11890 total_flits = (cur_tx - dd->last_tx) + (cur_rx - dd->last_rx);
11892 "[%d] total flits 0x%llx limit 0x%llx\n", dd->unit,
11893 total_flits, (u64)CNTR_32BIT_MAX);
11894 if (total_flits >= CNTR_32BIT_MAX) {
11895 hfi1_cdbg(CNTR, "[%d] 32bit limit hit, updating",
11902 hfi1_cdbg(CNTR, "[%d] Updating dd and ppd counters", dd->unit);
11903 for (i = 0; i < DEV_CNTR_LAST; i++) {
11904 entry = &dev_cntrs[i];
11905 if (entry->flags & CNTR_VL) {
11906 for (vl = 0; vl < C_VL_COUNT; vl++)
11907 read_dev_cntr(dd, i, vl);
11909 read_dev_cntr(dd, i, CNTR_INVALID_VL);
11912 ppd = (struct hfi1_pportdata *)(dd + 1);
11913 for (i = 0; i < dd->num_pports; i++, ppd++) {
11914 for (j = 0; j < PORT_CNTR_LAST; j++) {
11915 entry = &port_cntrs[j];
11916 if (entry->flags & CNTR_VL) {
11917 for (vl = 0; vl < C_VL_COUNT; vl++)
11918 read_port_cntr(ppd, j, vl);
11920 read_port_cntr(ppd, j, CNTR_INVALID_VL);
11926 * We want the value in the register. The goal is to keep track
11927 * of the number of "ticks" not the counter value. In other
11928 * words if the register rolls we want to notice it and go ahead
11929 * and force an update.
11931 entry = &dev_cntrs[C_DC_XMIT_FLITS];
11932 dd->last_tx = entry->rw_cntr(entry, dd, CNTR_INVALID_VL,
11935 entry = &dev_cntrs[C_DC_RCV_FLITS];
11936 dd->last_rx = entry->rw_cntr(entry, dd, CNTR_INVALID_VL,
11939 hfi1_cdbg(CNTR, "[%d] setting last tx/rx to 0x%llx 0x%llx",
11940 dd->unit, dd->last_tx, dd->last_rx);
11943 hfi1_cdbg(CNTR, "[%d] No update necessary", dd->unit);
11946 mod_timer(&dd->synth_stats_timer, jiffies + HZ * SYNTH_CNT_TIME);
11949 #define C_MAX_NAME 13 /* 12 chars + one for /0 */
11950 static int init_cntrs(struct hfi1_devdata *dd)
11952 int i, rcv_ctxts, j;
11955 char name[C_MAX_NAME];
11956 struct hfi1_pportdata *ppd;
11957 const char *bit_type_32 = ",32";
11958 const int bit_type_32_sz = strlen(bit_type_32);
11960 /* set up the stats timer; the add_timer is done at the end */
11961 setup_timer(&dd->synth_stats_timer, update_synth_timer,
11962 (unsigned long)dd);
11964 /***********************/
11965 /* per device counters */
11966 /***********************/
11968 /* size names and determine how many we have*/
11972 for (i = 0; i < DEV_CNTR_LAST; i++) {
11973 if (dev_cntrs[i].flags & CNTR_DISABLED) {
11974 hfi1_dbg_early("\tSkipping %s\n", dev_cntrs[i].name);
11978 if (dev_cntrs[i].flags & CNTR_VL) {
11979 dev_cntrs[i].offset = dd->ndevcntrs;
11980 for (j = 0; j < C_VL_COUNT; j++) {
11981 snprintf(name, C_MAX_NAME, "%s%d",
11982 dev_cntrs[i].name, vl_from_idx(j));
11983 sz += strlen(name);
11984 /* Add ",32" for 32-bit counters */
11985 if (dev_cntrs[i].flags & CNTR_32BIT)
11986 sz += bit_type_32_sz;
11990 } else if (dev_cntrs[i].flags & CNTR_SDMA) {
11991 dev_cntrs[i].offset = dd->ndevcntrs;
11992 for (j = 0; j < dd->chip_sdma_engines; j++) {
11993 snprintf(name, C_MAX_NAME, "%s%d",
11994 dev_cntrs[i].name, j);
11995 sz += strlen(name);
11996 /* Add ",32" for 32-bit counters */
11997 if (dev_cntrs[i].flags & CNTR_32BIT)
11998 sz += bit_type_32_sz;
12003 /* +1 for newline. */
12004 sz += strlen(dev_cntrs[i].name) + 1;
12005 /* Add ",32" for 32-bit counters */
12006 if (dev_cntrs[i].flags & CNTR_32BIT)
12007 sz += bit_type_32_sz;
12008 dev_cntrs[i].offset = dd->ndevcntrs;
12013 /* allocate space for the counter values */
12014 dd->cntrs = kcalloc(dd->ndevcntrs, sizeof(u64), GFP_KERNEL);
12018 dd->scntrs = kcalloc(dd->ndevcntrs, sizeof(u64), GFP_KERNEL);
12022 /* allocate space for the counter names */
12023 dd->cntrnameslen = sz;
12024 dd->cntrnames = kmalloc(sz, GFP_KERNEL);
12025 if (!dd->cntrnames)
12028 /* fill in the names */
12029 for (p = dd->cntrnames, i = 0; i < DEV_CNTR_LAST; i++) {
12030 if (dev_cntrs[i].flags & CNTR_DISABLED) {
12032 } else if (dev_cntrs[i].flags & CNTR_VL) {
12033 for (j = 0; j < C_VL_COUNT; j++) {
12034 snprintf(name, C_MAX_NAME, "%s%d",
12037 memcpy(p, name, strlen(name));
12040 /* Counter is 32 bits */
12041 if (dev_cntrs[i].flags & CNTR_32BIT) {
12042 memcpy(p, bit_type_32, bit_type_32_sz);
12043 p += bit_type_32_sz;
12048 } else if (dev_cntrs[i].flags & CNTR_SDMA) {
12049 for (j = 0; j < dd->chip_sdma_engines; j++) {
12050 snprintf(name, C_MAX_NAME, "%s%d",
12051 dev_cntrs[i].name, j);
12052 memcpy(p, name, strlen(name));
12055 /* Counter is 32 bits */
12056 if (dev_cntrs[i].flags & CNTR_32BIT) {
12057 memcpy(p, bit_type_32, bit_type_32_sz);
12058 p += bit_type_32_sz;
12064 memcpy(p, dev_cntrs[i].name, strlen(dev_cntrs[i].name));
12065 p += strlen(dev_cntrs[i].name);
12067 /* Counter is 32 bits */
12068 if (dev_cntrs[i].flags & CNTR_32BIT) {
12069 memcpy(p, bit_type_32, bit_type_32_sz);
12070 p += bit_type_32_sz;
12077 /*********************/
12078 /* per port counters */
12079 /*********************/
12082 * Go through the counters for the overflows and disable the ones we
12083 * don't need. This varies based on platform so we need to do it
12084 * dynamically here.
12086 rcv_ctxts = dd->num_rcv_contexts;
12087 for (i = C_RCV_HDR_OVF_FIRST + rcv_ctxts;
12088 i <= C_RCV_HDR_OVF_LAST; i++) {
12089 port_cntrs[i].flags |= CNTR_DISABLED;
12092 /* size port counter names and determine how many we have*/
12094 dd->nportcntrs = 0;
12095 for (i = 0; i < PORT_CNTR_LAST; i++) {
12096 if (port_cntrs[i].flags & CNTR_DISABLED) {
12097 hfi1_dbg_early("\tSkipping %s\n", port_cntrs[i].name);
12101 if (port_cntrs[i].flags & CNTR_VL) {
12102 port_cntrs[i].offset = dd->nportcntrs;
12103 for (j = 0; j < C_VL_COUNT; j++) {
12104 snprintf(name, C_MAX_NAME, "%s%d",
12105 port_cntrs[i].name, vl_from_idx(j));
12106 sz += strlen(name);
12107 /* Add ",32" for 32-bit counters */
12108 if (port_cntrs[i].flags & CNTR_32BIT)
12109 sz += bit_type_32_sz;
12114 /* +1 for newline */
12115 sz += strlen(port_cntrs[i].name) + 1;
12116 /* Add ",32" for 32-bit counters */
12117 if (port_cntrs[i].flags & CNTR_32BIT)
12118 sz += bit_type_32_sz;
12119 port_cntrs[i].offset = dd->nportcntrs;
12124 /* allocate space for the counter names */
12125 dd->portcntrnameslen = sz;
12126 dd->portcntrnames = kmalloc(sz, GFP_KERNEL);
12127 if (!dd->portcntrnames)
12130 /* fill in port cntr names */
12131 for (p = dd->portcntrnames, i = 0; i < PORT_CNTR_LAST; i++) {
12132 if (port_cntrs[i].flags & CNTR_DISABLED)
12135 if (port_cntrs[i].flags & CNTR_VL) {
12136 for (j = 0; j < C_VL_COUNT; j++) {
12137 snprintf(name, C_MAX_NAME, "%s%d",
12138 port_cntrs[i].name, vl_from_idx(j));
12139 memcpy(p, name, strlen(name));
12142 /* Counter is 32 bits */
12143 if (port_cntrs[i].flags & CNTR_32BIT) {
12144 memcpy(p, bit_type_32, bit_type_32_sz);
12145 p += bit_type_32_sz;
12151 memcpy(p, port_cntrs[i].name,
12152 strlen(port_cntrs[i].name));
12153 p += strlen(port_cntrs[i].name);
12155 /* Counter is 32 bits */
12156 if (port_cntrs[i].flags & CNTR_32BIT) {
12157 memcpy(p, bit_type_32, bit_type_32_sz);
12158 p += bit_type_32_sz;
12165 /* allocate per port storage for counter values */
12166 ppd = (struct hfi1_pportdata *)(dd + 1);
12167 for (i = 0; i < dd->num_pports; i++, ppd++) {
12168 ppd->cntrs = kcalloc(dd->nportcntrs, sizeof(u64), GFP_KERNEL);
12172 ppd->scntrs = kcalloc(dd->nportcntrs, sizeof(u64), GFP_KERNEL);
12177 /* CPU counters need to be allocated and zeroed */
12178 if (init_cpu_counters(dd))
12181 mod_timer(&dd->synth_stats_timer, jiffies + HZ * SYNTH_CNT_TIME);
12188 static u32 chip_to_opa_lstate(struct hfi1_devdata *dd, u32 chip_lstate)
12190 switch (chip_lstate) {
12193 "Unknown logical state 0x%x, reporting IB_PORT_DOWN\n",
12197 return IB_PORT_DOWN;
12199 return IB_PORT_INIT;
12201 return IB_PORT_ARMED;
12202 case LSTATE_ACTIVE:
12203 return IB_PORT_ACTIVE;
12207 u32 chip_to_opa_pstate(struct hfi1_devdata *dd, u32 chip_pstate)
12209 /* look at the HFI meta-states only */
12210 switch (chip_pstate & 0xf0) {
12212 dd_dev_err(dd, "Unexpected chip physical state of 0x%x\n",
12216 return IB_PORTPHYSSTATE_DISABLED;
12218 return OPA_PORTPHYSSTATE_OFFLINE;
12220 return IB_PORTPHYSSTATE_POLLING;
12221 case PLS_CONFIGPHY:
12222 return IB_PORTPHYSSTATE_TRAINING;
12224 return IB_PORTPHYSSTATE_LINKUP;
12226 return IB_PORTPHYSSTATE_PHY_TEST;
12230 /* return the OPA port logical state name */
12231 const char *opa_lstate_name(u32 lstate)
12233 static const char * const port_logical_names[] = {
12239 "PORT_ACTIVE_DEFER",
12241 if (lstate < ARRAY_SIZE(port_logical_names))
12242 return port_logical_names[lstate];
12246 /* return the OPA port physical state name */
12247 const char *opa_pstate_name(u32 pstate)
12249 static const char * const port_physical_names[] = {
12256 "PHYS_LINK_ERR_RECOVER",
12263 if (pstate < ARRAY_SIZE(port_physical_names))
12264 return port_physical_names[pstate];
12269 * Read the hardware link state and set the driver's cached value of it.
12270 * Return the (new) current value.
12272 u32 get_logical_state(struct hfi1_pportdata *ppd)
12276 new_state = chip_to_opa_lstate(ppd->dd, read_logical_state(ppd->dd));
12277 if (new_state != ppd->lstate) {
12278 dd_dev_info(ppd->dd, "logical state changed to %s (0x%x)\n",
12279 opa_lstate_name(new_state), new_state);
12280 ppd->lstate = new_state;
12283 * Set port status flags in the page mapped into userspace
12284 * memory. Do it here to ensure a reliable state - this is
12285 * the only function called by all state handling code.
12286 * Always set the flags due to the fact that the cache value
12287 * might have been changed explicitly outside of this
12290 if (ppd->statusp) {
12291 switch (ppd->lstate) {
12294 *ppd->statusp &= ~(HFI1_STATUS_IB_CONF |
12295 HFI1_STATUS_IB_READY);
12297 case IB_PORT_ARMED:
12298 *ppd->statusp |= HFI1_STATUS_IB_CONF;
12300 case IB_PORT_ACTIVE:
12301 *ppd->statusp |= HFI1_STATUS_IB_READY;
12305 return ppd->lstate;
12309 * wait_logical_linkstate - wait for an IB link state change to occur
12310 * @ppd: port device
12311 * @state: the state to wait for
12312 * @msecs: the number of milliseconds to wait
12314 * Wait up to msecs milliseconds for IB link state change to occur.
12315 * For now, take the easy polling route.
12316 * Returns 0 if state reached, otherwise -ETIMEDOUT.
12318 static int wait_logical_linkstate(struct hfi1_pportdata *ppd, u32 state,
12321 unsigned long timeout;
12323 timeout = jiffies + msecs_to_jiffies(msecs);
12325 if (get_logical_state(ppd) == state)
12327 if (time_after(jiffies, timeout))
12331 dd_dev_err(ppd->dd, "timeout waiting for link state 0x%x\n", state);
12336 u8 hfi1_ibphys_portstate(struct hfi1_pportdata *ppd)
12341 pstate = read_physical_state(ppd->dd);
12342 ib_pstate = chip_to_opa_pstate(ppd->dd, pstate);
12343 if (ppd->last_pstate != ib_pstate) {
12344 dd_dev_info(ppd->dd,
12345 "%s: physical state changed to %s (0x%x), phy 0x%x\n",
12346 __func__, opa_pstate_name(ib_pstate), ib_pstate,
12348 ppd->last_pstate = ib_pstate;
12353 #define CLEAR_STATIC_RATE_CONTROL_SMASK(r) \
12354 (r &= ~SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK)
12356 #define SET_STATIC_RATE_CONTROL_SMASK(r) \
12357 (r |= SEND_CTXT_CHECK_ENABLE_DISALLOW_PBC_STATIC_RATE_CONTROL_SMASK)
12359 int hfi1_init_ctxt(struct send_context *sc)
12362 struct hfi1_devdata *dd = sc->dd;
12364 u8 set = (sc->type == SC_USER ?
12365 HFI1_CAP_IS_USET(STATIC_RATE_CTRL) :
12366 HFI1_CAP_IS_KSET(STATIC_RATE_CTRL));
12367 reg = read_kctxt_csr(dd, sc->hw_context,
12368 SEND_CTXT_CHECK_ENABLE);
12370 CLEAR_STATIC_RATE_CONTROL_SMASK(reg);
12372 SET_STATIC_RATE_CONTROL_SMASK(reg);
12373 write_kctxt_csr(dd, sc->hw_context,
12374 SEND_CTXT_CHECK_ENABLE, reg);
12379 int hfi1_tempsense_rd(struct hfi1_devdata *dd, struct hfi1_temp *temp)
12384 if (dd->icode != ICODE_RTL_SILICON) {
12385 if (HFI1_CAP_IS_KSET(PRINT_UNIMPL))
12386 dd_dev_info(dd, "%s: tempsense not supported by HW\n",
12390 reg = read_csr(dd, ASIC_STS_THERM);
12391 temp->curr = ((reg >> ASIC_STS_THERM_CURR_TEMP_SHIFT) &
12392 ASIC_STS_THERM_CURR_TEMP_MASK);
12393 temp->lo_lim = ((reg >> ASIC_STS_THERM_LO_TEMP_SHIFT) &
12394 ASIC_STS_THERM_LO_TEMP_MASK);
12395 temp->hi_lim = ((reg >> ASIC_STS_THERM_HI_TEMP_SHIFT) &
12396 ASIC_STS_THERM_HI_TEMP_MASK);
12397 temp->crit_lim = ((reg >> ASIC_STS_THERM_CRIT_TEMP_SHIFT) &
12398 ASIC_STS_THERM_CRIT_TEMP_MASK);
12399 /* triggers is a 3-bit value - 1 bit per trigger. */
12400 temp->triggers = (u8)((reg >> ASIC_STS_THERM_LOW_SHIFT) & 0x7);
12405 /* ========================================================================= */
12408 * Enable/disable chip from delivering interrupts.
12410 void set_intr_state(struct hfi1_devdata *dd, u32 enable)
12415 * In HFI, the mask needs to be 1 to allow interrupts.
12418 /* enable all interrupts */
12419 for (i = 0; i < CCE_NUM_INT_CSRS; i++)
12420 write_csr(dd, CCE_INT_MASK + (8 * i), ~(u64)0);
12424 for (i = 0; i < CCE_NUM_INT_CSRS; i++)
12425 write_csr(dd, CCE_INT_MASK + (8 * i), 0ull);
12430 * Clear all interrupt sources on the chip.
12432 static void clear_all_interrupts(struct hfi1_devdata *dd)
12436 for (i = 0; i < CCE_NUM_INT_CSRS; i++)
12437 write_csr(dd, CCE_INT_CLEAR + (8 * i), ~(u64)0);
12439 write_csr(dd, CCE_ERR_CLEAR, ~(u64)0);
12440 write_csr(dd, MISC_ERR_CLEAR, ~(u64)0);
12441 write_csr(dd, RCV_ERR_CLEAR, ~(u64)0);
12442 write_csr(dd, SEND_ERR_CLEAR, ~(u64)0);
12443 write_csr(dd, SEND_PIO_ERR_CLEAR, ~(u64)0);
12444 write_csr(dd, SEND_DMA_ERR_CLEAR, ~(u64)0);
12445 write_csr(dd, SEND_EGRESS_ERR_CLEAR, ~(u64)0);
12446 for (i = 0; i < dd->chip_send_contexts; i++)
12447 write_kctxt_csr(dd, i, SEND_CTXT_ERR_CLEAR, ~(u64)0);
12448 for (i = 0; i < dd->chip_sdma_engines; i++)
12449 write_kctxt_csr(dd, i, SEND_DMA_ENG_ERR_CLEAR, ~(u64)0);
12451 write_csr(dd, DCC_ERR_FLG_CLR, ~(u64)0);
12452 write_csr(dd, DC_LCB_ERR_CLR, ~(u64)0);
12453 write_csr(dd, DC_DC8051_ERR_CLR, ~(u64)0);
12456 /* Move to pcie.c? */
12457 static void disable_intx(struct pci_dev *pdev)
12462 static void clean_up_interrupts(struct hfi1_devdata *dd)
12466 /* remove irqs - must happen before disabling/turning off */
12467 if (dd->num_msix_entries) {
12469 struct hfi1_msix_entry *me = dd->msix_entries;
12471 for (i = 0; i < dd->num_msix_entries; i++, me++) {
12472 if (!me->arg) /* => no irq, no affinity */
12474 hfi1_put_irq_affinity(dd, &dd->msix_entries[i]);
12475 free_irq(me->msix.vector, me->arg);
12479 if (dd->requested_intx_irq) {
12480 free_irq(dd->pcidev->irq, dd);
12481 dd->requested_intx_irq = 0;
12485 /* turn off interrupts */
12486 if (dd->num_msix_entries) {
12488 pci_disable_msix(dd->pcidev);
12491 disable_intx(dd->pcidev);
12494 /* clean structures */
12495 kfree(dd->msix_entries);
12496 dd->msix_entries = NULL;
12497 dd->num_msix_entries = 0;
12501 * Remap the interrupt source from the general handler to the given MSI-X
12504 static void remap_intr(struct hfi1_devdata *dd, int isrc, int msix_intr)
12509 /* clear from the handled mask of the general interrupt */
12512 dd->gi_mask[m] &= ~((u64)1 << n);
12514 /* direct the chip source to the given MSI-X interrupt */
12517 reg = read_csr(dd, CCE_INT_MAP + (8 * m));
12518 reg &= ~((u64)0xff << (8 * n));
12519 reg |= ((u64)msix_intr & 0xff) << (8 * n);
12520 write_csr(dd, CCE_INT_MAP + (8 * m), reg);
12523 static void remap_sdma_interrupts(struct hfi1_devdata *dd,
12524 int engine, int msix_intr)
12527 * SDMA engine interrupt sources grouped by type, rather than
12528 * engine. Per-engine interrupts are as follows:
12533 remap_intr(dd, IS_SDMA_START + 0 * TXE_NUM_SDMA_ENGINES + engine,
12535 remap_intr(dd, IS_SDMA_START + 1 * TXE_NUM_SDMA_ENGINES + engine,
12537 remap_intr(dd, IS_SDMA_START + 2 * TXE_NUM_SDMA_ENGINES + engine,
12541 static int request_intx_irq(struct hfi1_devdata *dd)
12545 snprintf(dd->intx_name, sizeof(dd->intx_name), DRIVER_NAME "_%d",
12547 ret = request_irq(dd->pcidev->irq, general_interrupt,
12548 IRQF_SHARED, dd->intx_name, dd);
12550 dd_dev_err(dd, "unable to request INTx interrupt, err %d\n",
12553 dd->requested_intx_irq = 1;
12557 static int request_msix_irqs(struct hfi1_devdata *dd)
12559 int first_general, last_general;
12560 int first_sdma, last_sdma;
12561 int first_rx, last_rx;
12564 /* calculate the ranges we are going to use */
12566 last_general = first_general + 1;
12567 first_sdma = last_general;
12568 last_sdma = first_sdma + dd->num_sdma;
12569 first_rx = last_sdma;
12570 last_rx = first_rx + dd->n_krcv_queues;
12573 * Sanity check - the code expects all SDMA chip source
12574 * interrupts to be in the same CSR, starting at bit 0. Verify
12575 * that this is true by checking the bit location of the start.
12577 BUILD_BUG_ON(IS_SDMA_START % 64);
12579 for (i = 0; i < dd->num_msix_entries; i++) {
12580 struct hfi1_msix_entry *me = &dd->msix_entries[i];
12581 const char *err_info;
12582 irq_handler_t handler;
12583 irq_handler_t thread = NULL;
12586 struct hfi1_ctxtdata *rcd = NULL;
12587 struct sdma_engine *sde = NULL;
12589 /* obtain the arguments to request_irq */
12590 if (first_general <= i && i < last_general) {
12591 idx = i - first_general;
12592 handler = general_interrupt;
12594 snprintf(me->name, sizeof(me->name),
12595 DRIVER_NAME "_%d", dd->unit);
12596 err_info = "general";
12597 me->type = IRQ_GENERAL;
12598 } else if (first_sdma <= i && i < last_sdma) {
12599 idx = i - first_sdma;
12600 sde = &dd->per_sdma[idx];
12601 handler = sdma_interrupt;
12603 snprintf(me->name, sizeof(me->name),
12604 DRIVER_NAME "_%d sdma%d", dd->unit, idx);
12606 remap_sdma_interrupts(dd, idx, i);
12607 me->type = IRQ_SDMA;
12608 } else if (first_rx <= i && i < last_rx) {
12609 idx = i - first_rx;
12610 rcd = dd->rcd[idx];
12611 /* no interrupt if no rcd */
12615 * Set the interrupt register and mask for this
12616 * context's interrupt.
12618 rcd->ireg = (IS_RCVAVAIL_START + idx) / 64;
12619 rcd->imask = ((u64)1) <<
12620 ((IS_RCVAVAIL_START + idx) % 64);
12621 handler = receive_context_interrupt;
12622 thread = receive_context_thread;
12624 snprintf(me->name, sizeof(me->name),
12625 DRIVER_NAME "_%d kctxt%d", dd->unit, idx);
12626 err_info = "receive context";
12627 remap_intr(dd, IS_RCVAVAIL_START + idx, i);
12628 me->type = IRQ_RCVCTXT;
12630 /* not in our expected range - complain, then
12634 "Unexpected extra MSI-X interrupt %d\n", i);
12637 /* no argument, no interrupt */
12640 /* make sure the name is terminated */
12641 me->name[sizeof(me->name) - 1] = 0;
12643 ret = request_threaded_irq(me->msix.vector, handler, thread, 0,
12647 "unable to allocate %s interrupt, vector %d, index %d, err %d\n",
12648 err_info, me->msix.vector, idx, ret);
12652 * assign arg after request_irq call, so it will be
12657 ret = hfi1_get_irq_affinity(dd, me);
12660 "unable to pin IRQ %d\n", ret);
12667 * Set the general handler to accept all interrupts, remap all
12668 * chip interrupts back to MSI-X 0.
12670 static void reset_interrupts(struct hfi1_devdata *dd)
12674 /* all interrupts handled by the general handler */
12675 for (i = 0; i < CCE_NUM_INT_CSRS; i++)
12676 dd->gi_mask[i] = ~(u64)0;
12678 /* all chip interrupts map to MSI-X 0 */
12679 for (i = 0; i < CCE_NUM_INT_MAP_CSRS; i++)
12680 write_csr(dd, CCE_INT_MAP + (8 * i), 0);
12683 static int set_up_interrupts(struct hfi1_devdata *dd)
12685 struct hfi1_msix_entry *entries;
12686 u32 total, request;
12688 int single_interrupt = 0; /* we expect to have all the interrupts */
12692 * 1 general, "slow path" interrupt (includes the SDMA engines
12693 * slow source, SDMACleanupDone)
12694 * N interrupts - one per used SDMA engine
12695 * M interrupt - one per kernel receive context
12697 total = 1 + dd->num_sdma + dd->n_krcv_queues;
12699 entries = kcalloc(total, sizeof(*entries), GFP_KERNEL);
12704 /* 1-1 MSI-X entry assignment */
12705 for (i = 0; i < total; i++)
12706 entries[i].msix.entry = i;
12708 /* ask for MSI-X interrupts */
12710 request_msix(dd, &request, entries);
12712 if (request == 0) {
12714 /* dd->num_msix_entries already zero */
12716 single_interrupt = 1;
12717 dd_dev_err(dd, "MSI-X failed, using INTx interrupts\n");
12720 dd->num_msix_entries = request;
12721 dd->msix_entries = entries;
12723 if (request != total) {
12724 /* using MSI-X, with reduced interrupts */
12727 "cannot handle reduced interrupt case, want %u, got %u\n",
12732 dd_dev_info(dd, "%u MSI-X interrupts allocated\n", total);
12735 /* mask all interrupts */
12736 set_intr_state(dd, 0);
12737 /* clear all pending interrupts */
12738 clear_all_interrupts(dd);
12740 /* reset general handler mask, chip MSI-X mappings */
12741 reset_interrupts(dd);
12743 if (single_interrupt)
12744 ret = request_intx_irq(dd);
12746 ret = request_msix_irqs(dd);
12753 clean_up_interrupts(dd);
12758 * Set up context values in dd. Sets:
12760 * num_rcv_contexts - number of contexts being used
12761 * n_krcv_queues - number of kernel contexts
12762 * first_user_ctxt - first non-kernel context in array of contexts
12763 * freectxts - number of free user contexts
12764 * num_send_contexts - number of PIO send contexts being used
12766 static int set_up_context_variables(struct hfi1_devdata *dd)
12768 int num_kernel_contexts;
12769 int total_contexts;
12773 int user_rmt_reduced;
12776 * Kernel receive contexts:
12777 * - Context 0 - control context (VL15/multicast/error)
12778 * - Context 1 - first kernel context
12779 * - Context 2 - second kernel context
12784 * n_krcvqs is the sum of module parameter kernel receive
12785 * contexts, krcvqs[]. It does not include the control
12786 * context, so add that.
12788 num_kernel_contexts = n_krcvqs + 1;
12790 num_kernel_contexts = DEFAULT_KRCVQS + 1;
12792 * Every kernel receive context needs an ACK send context.
12793 * one send context is allocated for each VL{0-7} and VL15
12795 if (num_kernel_contexts > (dd->chip_send_contexts - num_vls - 1)) {
12797 "Reducing # kernel rcv contexts to: %d, from %d\n",
12798 (int)(dd->chip_send_contexts - num_vls - 1),
12799 (int)num_kernel_contexts);
12800 num_kernel_contexts = dd->chip_send_contexts - num_vls - 1;
12804 * - default to 1 user context per real (non-HT) CPU core if
12805 * num_user_contexts is negative
12807 if (num_user_contexts < 0)
12808 num_user_contexts =
12809 cpumask_weight(&node_affinity.real_cpu_mask);
12811 total_contexts = num_kernel_contexts + num_user_contexts;
12814 * Adjust the counts given a global max.
12816 if (total_contexts > dd->chip_rcv_contexts) {
12818 "Reducing # user receive contexts to: %d, from %d\n",
12819 (int)(dd->chip_rcv_contexts - num_kernel_contexts),
12820 (int)num_user_contexts);
12821 num_user_contexts = dd->chip_rcv_contexts - num_kernel_contexts;
12823 total_contexts = num_kernel_contexts + num_user_contexts;
12826 /* each user context requires an entry in the RMT */
12827 qos_rmt_count = qos_rmt_entries(dd, NULL, NULL);
12828 if (qos_rmt_count + num_user_contexts > NUM_MAP_ENTRIES) {
12829 user_rmt_reduced = NUM_MAP_ENTRIES - qos_rmt_count;
12831 "RMT size is reducing the number of user receive contexts from %d to %d\n",
12832 (int)num_user_contexts,
12835 num_user_contexts = user_rmt_reduced;
12836 total_contexts = num_kernel_contexts + num_user_contexts;
12839 /* the first N are kernel contexts, the rest are user contexts */
12840 dd->num_rcv_contexts = total_contexts;
12841 dd->n_krcv_queues = num_kernel_contexts;
12842 dd->first_user_ctxt = num_kernel_contexts;
12843 dd->num_user_contexts = num_user_contexts;
12844 dd->freectxts = num_user_contexts;
12846 "rcv contexts: chip %d, used %d (kernel %d, user %d)\n",
12847 (int)dd->chip_rcv_contexts,
12848 (int)dd->num_rcv_contexts,
12849 (int)dd->n_krcv_queues,
12850 (int)dd->num_rcv_contexts - dd->n_krcv_queues);
12853 * Receive array allocation:
12854 * All RcvArray entries are divided into groups of 8. This
12855 * is required by the hardware and will speed up writes to
12856 * consecutive entries by using write-combining of the entire
12859 * The number of groups are evenly divided among all contexts.
12860 * any left over groups will be given to the first N user
12863 dd->rcv_entries.group_size = RCV_INCREMENT;
12864 ngroups = dd->chip_rcv_array_count / dd->rcv_entries.group_size;
12865 dd->rcv_entries.ngroups = ngroups / dd->num_rcv_contexts;
12866 dd->rcv_entries.nctxt_extra = ngroups -
12867 (dd->num_rcv_contexts * dd->rcv_entries.ngroups);
12868 dd_dev_info(dd, "RcvArray groups %u, ctxts extra %u\n",
12869 dd->rcv_entries.ngroups,
12870 dd->rcv_entries.nctxt_extra);
12871 if (dd->rcv_entries.ngroups * dd->rcv_entries.group_size >
12872 MAX_EAGER_ENTRIES * 2) {
12873 dd->rcv_entries.ngroups = (MAX_EAGER_ENTRIES * 2) /
12874 dd->rcv_entries.group_size;
12876 "RcvArray group count too high, change to %u\n",
12877 dd->rcv_entries.ngroups);
12878 dd->rcv_entries.nctxt_extra = 0;
12881 * PIO send contexts
12883 ret = init_sc_pools_and_sizes(dd);
12884 if (ret >= 0) { /* success */
12885 dd->num_send_contexts = ret;
12888 "send contexts: chip %d, used %d (kernel %d, ack %d, user %d, vl15 %d)\n",
12889 dd->chip_send_contexts,
12890 dd->num_send_contexts,
12891 dd->sc_sizes[SC_KERNEL].count,
12892 dd->sc_sizes[SC_ACK].count,
12893 dd->sc_sizes[SC_USER].count,
12894 dd->sc_sizes[SC_VL15].count);
12895 ret = 0; /* success */
12902 * Set the device/port partition key table. The MAD code
12903 * will ensure that, at least, the partial management
12904 * partition key is present in the table.
12906 static void set_partition_keys(struct hfi1_pportdata *ppd)
12908 struct hfi1_devdata *dd = ppd->dd;
12912 dd_dev_info(dd, "Setting partition keys\n");
12913 for (i = 0; i < hfi1_get_npkeys(dd); i++) {
12914 reg |= (ppd->pkeys[i] &
12915 RCV_PARTITION_KEY_PARTITION_KEY_A_MASK) <<
12917 RCV_PARTITION_KEY_PARTITION_KEY_B_SHIFT);
12918 /* Each register holds 4 PKey values. */
12919 if ((i % 4) == 3) {
12920 write_csr(dd, RCV_PARTITION_KEY +
12921 ((i - 3) * 2), reg);
12926 /* Always enable HW pkeys check when pkeys table is set */
12927 add_rcvctrl(dd, RCV_CTRL_RCV_PARTITION_KEY_ENABLE_SMASK);
12931 * These CSRs and memories are uninitialized on reset and must be
12932 * written before reading to set the ECC/parity bits.
12934 * NOTE: All user context CSRs that are not mmaped write-only
12935 * (e.g. the TID flows) must be initialized even if the driver never
12938 static void write_uninitialized_csrs_and_memories(struct hfi1_devdata *dd)
12943 for (i = 0; i < CCE_NUM_INT_MAP_CSRS; i++)
12944 write_csr(dd, CCE_INT_MAP + (8 * i), 0);
12946 /* SendCtxtCreditReturnAddr */
12947 for (i = 0; i < dd->chip_send_contexts; i++)
12948 write_kctxt_csr(dd, i, SEND_CTXT_CREDIT_RETURN_ADDR, 0);
12950 /* PIO Send buffers */
12951 /* SDMA Send buffers */
12953 * These are not normally read, and (presently) have no method
12954 * to be read, so are not pre-initialized
12958 /* RcvHdrTailAddr */
12959 /* RcvTidFlowTable */
12960 for (i = 0; i < dd->chip_rcv_contexts; i++) {
12961 write_kctxt_csr(dd, i, RCV_HDR_ADDR, 0);
12962 write_kctxt_csr(dd, i, RCV_HDR_TAIL_ADDR, 0);
12963 for (j = 0; j < RXE_NUM_TID_FLOWS; j++)
12964 write_uctxt_csr(dd, i, RCV_TID_FLOW_TABLE + (8 * j), 0);
12968 for (i = 0; i < dd->chip_rcv_array_count; i++)
12969 write_csr(dd, RCV_ARRAY + (8 * i),
12970 RCV_ARRAY_RT_WRITE_ENABLE_SMASK);
12972 /* RcvQPMapTable */
12973 for (i = 0; i < 32; i++)
12974 write_csr(dd, RCV_QP_MAP_TABLE + (8 * i), 0);
12978 * Use the ctrl_bits in CceCtrl to clear the status_bits in CceStatus.
12980 static void clear_cce_status(struct hfi1_devdata *dd, u64 status_bits,
12983 unsigned long timeout;
12986 /* is the condition present? */
12987 reg = read_csr(dd, CCE_STATUS);
12988 if ((reg & status_bits) == 0)
12991 /* clear the condition */
12992 write_csr(dd, CCE_CTRL, ctrl_bits);
12994 /* wait for the condition to clear */
12995 timeout = jiffies + msecs_to_jiffies(CCE_STATUS_TIMEOUT);
12997 reg = read_csr(dd, CCE_STATUS);
12998 if ((reg & status_bits) == 0)
13000 if (time_after(jiffies, timeout)) {
13002 "Timeout waiting for CceStatus to clear bits 0x%llx, remaining 0x%llx\n",
13003 status_bits, reg & status_bits);
13010 /* set CCE CSRs to chip reset defaults */
13011 static void reset_cce_csrs(struct hfi1_devdata *dd)
13015 /* CCE_REVISION read-only */
13016 /* CCE_REVISION2 read-only */
13017 /* CCE_CTRL - bits clear automatically */
13018 /* CCE_STATUS read-only, use CceCtrl to clear */
13019 clear_cce_status(dd, ALL_FROZE, CCE_CTRL_SPC_UNFREEZE_SMASK);
13020 clear_cce_status(dd, ALL_TXE_PAUSE, CCE_CTRL_TXE_RESUME_SMASK);
13021 clear_cce_status(dd, ALL_RXE_PAUSE, CCE_CTRL_RXE_RESUME_SMASK);
13022 for (i = 0; i < CCE_NUM_SCRATCH; i++)
13023 write_csr(dd, CCE_SCRATCH + (8 * i), 0);
13024 /* CCE_ERR_STATUS read-only */
13025 write_csr(dd, CCE_ERR_MASK, 0);
13026 write_csr(dd, CCE_ERR_CLEAR, ~0ull);
13027 /* CCE_ERR_FORCE leave alone */
13028 for (i = 0; i < CCE_NUM_32_BIT_COUNTERS; i++)
13029 write_csr(dd, CCE_COUNTER_ARRAY32 + (8 * i), 0);
13030 write_csr(dd, CCE_DC_CTRL, CCE_DC_CTRL_RESETCSR);
13031 /* CCE_PCIE_CTRL leave alone */
13032 for (i = 0; i < CCE_NUM_MSIX_VECTORS; i++) {
13033 write_csr(dd, CCE_MSIX_TABLE_LOWER + (8 * i), 0);
13034 write_csr(dd, CCE_MSIX_TABLE_UPPER + (8 * i),
13035 CCE_MSIX_TABLE_UPPER_RESETCSR);
13037 for (i = 0; i < CCE_NUM_MSIX_PBAS; i++) {
13038 /* CCE_MSIX_PBA read-only */
13039 write_csr(dd, CCE_MSIX_INT_GRANTED, ~0ull);
13040 write_csr(dd, CCE_MSIX_VEC_CLR_WITHOUT_INT, ~0ull);
13042 for (i = 0; i < CCE_NUM_INT_MAP_CSRS; i++)
13043 write_csr(dd, CCE_INT_MAP, 0);
13044 for (i = 0; i < CCE_NUM_INT_CSRS; i++) {
13045 /* CCE_INT_STATUS read-only */
13046 write_csr(dd, CCE_INT_MASK + (8 * i), 0);
13047 write_csr(dd, CCE_INT_CLEAR + (8 * i), ~0ull);
13048 /* CCE_INT_FORCE leave alone */
13049 /* CCE_INT_BLOCKED read-only */
13051 for (i = 0; i < CCE_NUM_32_BIT_INT_COUNTERS; i++)
13052 write_csr(dd, CCE_INT_COUNTER_ARRAY32 + (8 * i), 0);
13055 /* set MISC CSRs to chip reset defaults */
13056 static void reset_misc_csrs(struct hfi1_devdata *dd)
13060 for (i = 0; i < 32; i++) {
13061 write_csr(dd, MISC_CFG_RSA_R2 + (8 * i), 0);
13062 write_csr(dd, MISC_CFG_RSA_SIGNATURE + (8 * i), 0);
13063 write_csr(dd, MISC_CFG_RSA_MODULUS + (8 * i), 0);
13066 * MISC_CFG_SHA_PRELOAD leave alone - always reads 0 and can
13067 * only be written 128-byte chunks
13069 /* init RSA engine to clear lingering errors */
13070 write_csr(dd, MISC_CFG_RSA_CMD, 1);
13071 write_csr(dd, MISC_CFG_RSA_MU, 0);
13072 write_csr(dd, MISC_CFG_FW_CTRL, 0);
13073 /* MISC_STS_8051_DIGEST read-only */
13074 /* MISC_STS_SBM_DIGEST read-only */
13075 /* MISC_STS_PCIE_DIGEST read-only */
13076 /* MISC_STS_FAB_DIGEST read-only */
13077 /* MISC_ERR_STATUS read-only */
13078 write_csr(dd, MISC_ERR_MASK, 0);
13079 write_csr(dd, MISC_ERR_CLEAR, ~0ull);
13080 /* MISC_ERR_FORCE leave alone */
13083 /* set TXE CSRs to chip reset defaults */
13084 static void reset_txe_csrs(struct hfi1_devdata *dd)
13091 write_csr(dd, SEND_CTRL, 0);
13092 __cm_reset(dd, 0); /* reset CM internal state */
13093 /* SEND_CONTEXTS read-only */
13094 /* SEND_DMA_ENGINES read-only */
13095 /* SEND_PIO_MEM_SIZE read-only */
13096 /* SEND_DMA_MEM_SIZE read-only */
13097 write_csr(dd, SEND_HIGH_PRIORITY_LIMIT, 0);
13098 pio_reset_all(dd); /* SEND_PIO_INIT_CTXT */
13099 /* SEND_PIO_ERR_STATUS read-only */
13100 write_csr(dd, SEND_PIO_ERR_MASK, 0);
13101 write_csr(dd, SEND_PIO_ERR_CLEAR, ~0ull);
13102 /* SEND_PIO_ERR_FORCE leave alone */
13103 /* SEND_DMA_ERR_STATUS read-only */
13104 write_csr(dd, SEND_DMA_ERR_MASK, 0);
13105 write_csr(dd, SEND_DMA_ERR_CLEAR, ~0ull);
13106 /* SEND_DMA_ERR_FORCE leave alone */
13107 /* SEND_EGRESS_ERR_STATUS read-only */
13108 write_csr(dd, SEND_EGRESS_ERR_MASK, 0);
13109 write_csr(dd, SEND_EGRESS_ERR_CLEAR, ~0ull);
13110 /* SEND_EGRESS_ERR_FORCE leave alone */
13111 write_csr(dd, SEND_BTH_QP, 0);
13112 write_csr(dd, SEND_STATIC_RATE_CONTROL, 0);
13113 write_csr(dd, SEND_SC2VLT0, 0);
13114 write_csr(dd, SEND_SC2VLT1, 0);
13115 write_csr(dd, SEND_SC2VLT2, 0);
13116 write_csr(dd, SEND_SC2VLT3, 0);
13117 write_csr(dd, SEND_LEN_CHECK0, 0);
13118 write_csr(dd, SEND_LEN_CHECK1, 0);
13119 /* SEND_ERR_STATUS read-only */
13120 write_csr(dd, SEND_ERR_MASK, 0);
13121 write_csr(dd, SEND_ERR_CLEAR, ~0ull);
13122 /* SEND_ERR_FORCE read-only */
13123 for (i = 0; i < VL_ARB_LOW_PRIO_TABLE_SIZE; i++)
13124 write_csr(dd, SEND_LOW_PRIORITY_LIST + (8 * i), 0);
13125 for (i = 0; i < VL_ARB_HIGH_PRIO_TABLE_SIZE; i++)
13126 write_csr(dd, SEND_HIGH_PRIORITY_LIST + (8 * i), 0);
13127 for (i = 0; i < dd->chip_send_contexts / NUM_CONTEXTS_PER_SET; i++)
13128 write_csr(dd, SEND_CONTEXT_SET_CTRL + (8 * i), 0);
13129 for (i = 0; i < TXE_NUM_32_BIT_COUNTER; i++)
13130 write_csr(dd, SEND_COUNTER_ARRAY32 + (8 * i), 0);
13131 for (i = 0; i < TXE_NUM_64_BIT_COUNTER; i++)
13132 write_csr(dd, SEND_COUNTER_ARRAY64 + (8 * i), 0);
13133 write_csr(dd, SEND_CM_CTRL, SEND_CM_CTRL_RESETCSR);
13134 write_csr(dd, SEND_CM_GLOBAL_CREDIT, SEND_CM_GLOBAL_CREDIT_RESETCSR);
13135 /* SEND_CM_CREDIT_USED_STATUS read-only */
13136 write_csr(dd, SEND_CM_TIMER_CTRL, 0);
13137 write_csr(dd, SEND_CM_LOCAL_AU_TABLE0_TO3, 0);
13138 write_csr(dd, SEND_CM_LOCAL_AU_TABLE4_TO7, 0);
13139 write_csr(dd, SEND_CM_REMOTE_AU_TABLE0_TO3, 0);
13140 write_csr(dd, SEND_CM_REMOTE_AU_TABLE4_TO7, 0);
13141 for (i = 0; i < TXE_NUM_DATA_VL; i++)
13142 write_csr(dd, SEND_CM_CREDIT_VL + (8 * i), 0);
13143 write_csr(dd, SEND_CM_CREDIT_VL15, 0);
13144 /* SEND_CM_CREDIT_USED_VL read-only */
13145 /* SEND_CM_CREDIT_USED_VL15 read-only */
13146 /* SEND_EGRESS_CTXT_STATUS read-only */
13147 /* SEND_EGRESS_SEND_DMA_STATUS read-only */
13148 write_csr(dd, SEND_EGRESS_ERR_INFO, ~0ull);
13149 /* SEND_EGRESS_ERR_INFO read-only */
13150 /* SEND_EGRESS_ERR_SOURCE read-only */
13153 * TXE Per-Context CSRs
13155 for (i = 0; i < dd->chip_send_contexts; i++) {
13156 write_kctxt_csr(dd, i, SEND_CTXT_CTRL, 0);
13157 write_kctxt_csr(dd, i, SEND_CTXT_CREDIT_CTRL, 0);
13158 write_kctxt_csr(dd, i, SEND_CTXT_CREDIT_RETURN_ADDR, 0);
13159 write_kctxt_csr(dd, i, SEND_CTXT_CREDIT_FORCE, 0);
13160 write_kctxt_csr(dd, i, SEND_CTXT_ERR_MASK, 0);
13161 write_kctxt_csr(dd, i, SEND_CTXT_ERR_CLEAR, ~0ull);
13162 write_kctxt_csr(dd, i, SEND_CTXT_CHECK_ENABLE, 0);
13163 write_kctxt_csr(dd, i, SEND_CTXT_CHECK_VL, 0);
13164 write_kctxt_csr(dd, i, SEND_CTXT_CHECK_JOB_KEY, 0);
13165 write_kctxt_csr(dd, i, SEND_CTXT_CHECK_PARTITION_KEY, 0);
13166 write_kctxt_csr(dd, i, SEND_CTXT_CHECK_SLID, 0);
13167 write_kctxt_csr(dd, i, SEND_CTXT_CHECK_OPCODE, 0);
13171 * TXE Per-SDMA CSRs
13173 for (i = 0; i < dd->chip_sdma_engines; i++) {
13174 write_kctxt_csr(dd, i, SEND_DMA_CTRL, 0);
13175 /* SEND_DMA_STATUS read-only */
13176 write_kctxt_csr(dd, i, SEND_DMA_BASE_ADDR, 0);
13177 write_kctxt_csr(dd, i, SEND_DMA_LEN_GEN, 0);
13178 write_kctxt_csr(dd, i, SEND_DMA_TAIL, 0);
13179 /* SEND_DMA_HEAD read-only */
13180 write_kctxt_csr(dd, i, SEND_DMA_HEAD_ADDR, 0);
13181 write_kctxt_csr(dd, i, SEND_DMA_PRIORITY_THLD, 0);
13182 /* SEND_DMA_IDLE_CNT read-only */
13183 write_kctxt_csr(dd, i, SEND_DMA_RELOAD_CNT, 0);
13184 write_kctxt_csr(dd, i, SEND_DMA_DESC_CNT, 0);
13185 /* SEND_DMA_DESC_FETCHED_CNT read-only */
13186 /* SEND_DMA_ENG_ERR_STATUS read-only */
13187 write_kctxt_csr(dd, i, SEND_DMA_ENG_ERR_MASK, 0);
13188 write_kctxt_csr(dd, i, SEND_DMA_ENG_ERR_CLEAR, ~0ull);
13189 /* SEND_DMA_ENG_ERR_FORCE leave alone */
13190 write_kctxt_csr(dd, i, SEND_DMA_CHECK_ENABLE, 0);
13191 write_kctxt_csr(dd, i, SEND_DMA_CHECK_VL, 0);
13192 write_kctxt_csr(dd, i, SEND_DMA_CHECK_JOB_KEY, 0);
13193 write_kctxt_csr(dd, i, SEND_DMA_CHECK_PARTITION_KEY, 0);
13194 write_kctxt_csr(dd, i, SEND_DMA_CHECK_SLID, 0);
13195 write_kctxt_csr(dd, i, SEND_DMA_CHECK_OPCODE, 0);
13196 write_kctxt_csr(dd, i, SEND_DMA_MEMORY, 0);
13202 * o Packet ingress is disabled, i.e. RcvCtrl.RcvPortEnable == 0
13204 static void init_rbufs(struct hfi1_devdata *dd)
13210 * Wait for DMA to stop: RxRbufPktPending and RxPktInProgress are
13215 reg = read_csr(dd, RCV_STATUS);
13216 if ((reg & (RCV_STATUS_RX_RBUF_PKT_PENDING_SMASK
13217 | RCV_STATUS_RX_PKT_IN_PROGRESS_SMASK)) == 0)
13220 * Give up after 1ms - maximum wait time.
13222 * RBuf size is 148KiB. Slowest possible is PCIe Gen1 x1 at
13223 * 250MB/s bandwidth. Lower rate to 66% for overhead to get:
13224 * 148 KB / (66% * 250MB/s) = 920us
13226 if (count++ > 500) {
13228 "%s: in-progress DMA not clearing: RcvStatus 0x%llx, continuing\n",
13232 udelay(2); /* do not busy-wait the CSR */
13235 /* start the init - expect RcvCtrl to be 0 */
13236 write_csr(dd, RCV_CTRL, RCV_CTRL_RX_RBUF_INIT_SMASK);
13239 * Read to force the write of Rcvtrl.RxRbufInit. There is a brief
13240 * period after the write before RcvStatus.RxRbufInitDone is valid.
13241 * The delay in the first run through the loop below is sufficient and
13242 * required before the first read of RcvStatus.RxRbufInintDone.
13244 read_csr(dd, RCV_CTRL);
13246 /* wait for the init to finish */
13249 /* delay is required first time through - see above */
13250 udelay(2); /* do not busy-wait the CSR */
13251 reg = read_csr(dd, RCV_STATUS);
13252 if (reg & (RCV_STATUS_RX_RBUF_INIT_DONE_SMASK))
13255 /* give up after 100us - slowest possible at 33MHz is 73us */
13256 if (count++ > 50) {
13258 "%s: RcvStatus.RxRbufInit not set, continuing\n",
13265 /* set RXE CSRs to chip reset defaults */
13266 static void reset_rxe_csrs(struct hfi1_devdata *dd)
13273 write_csr(dd, RCV_CTRL, 0);
13275 /* RCV_STATUS read-only */
13276 /* RCV_CONTEXTS read-only */
13277 /* RCV_ARRAY_CNT read-only */
13278 /* RCV_BUF_SIZE read-only */
13279 write_csr(dd, RCV_BTH_QP, 0);
13280 write_csr(dd, RCV_MULTICAST, 0);
13281 write_csr(dd, RCV_BYPASS, 0);
13282 write_csr(dd, RCV_VL15, 0);
13283 /* this is a clear-down */
13284 write_csr(dd, RCV_ERR_INFO,
13285 RCV_ERR_INFO_RCV_EXCESS_BUFFER_OVERRUN_SMASK);
13286 /* RCV_ERR_STATUS read-only */
13287 write_csr(dd, RCV_ERR_MASK, 0);
13288 write_csr(dd, RCV_ERR_CLEAR, ~0ull);
13289 /* RCV_ERR_FORCE leave alone */
13290 for (i = 0; i < 32; i++)
13291 write_csr(dd, RCV_QP_MAP_TABLE + (8 * i), 0);
13292 for (i = 0; i < 4; i++)
13293 write_csr(dd, RCV_PARTITION_KEY + (8 * i), 0);
13294 for (i = 0; i < RXE_NUM_32_BIT_COUNTERS; i++)
13295 write_csr(dd, RCV_COUNTER_ARRAY32 + (8 * i), 0);
13296 for (i = 0; i < RXE_NUM_64_BIT_COUNTERS; i++)
13297 write_csr(dd, RCV_COUNTER_ARRAY64 + (8 * i), 0);
13298 for (i = 0; i < RXE_NUM_RSM_INSTANCES; i++) {
13299 write_csr(dd, RCV_RSM_CFG + (8 * i), 0);
13300 write_csr(dd, RCV_RSM_SELECT + (8 * i), 0);
13301 write_csr(dd, RCV_RSM_MATCH + (8 * i), 0);
13303 for (i = 0; i < 32; i++)
13304 write_csr(dd, RCV_RSM_MAP_TABLE + (8 * i), 0);
13307 * RXE Kernel and User Per-Context CSRs
13309 for (i = 0; i < dd->chip_rcv_contexts; i++) {
13311 write_kctxt_csr(dd, i, RCV_CTXT_CTRL, 0);
13312 /* RCV_CTXT_STATUS read-only */
13313 write_kctxt_csr(dd, i, RCV_EGR_CTRL, 0);
13314 write_kctxt_csr(dd, i, RCV_TID_CTRL, 0);
13315 write_kctxt_csr(dd, i, RCV_KEY_CTRL, 0);
13316 write_kctxt_csr(dd, i, RCV_HDR_ADDR, 0);
13317 write_kctxt_csr(dd, i, RCV_HDR_CNT, 0);
13318 write_kctxt_csr(dd, i, RCV_HDR_ENT_SIZE, 0);
13319 write_kctxt_csr(dd, i, RCV_HDR_SIZE, 0);
13320 write_kctxt_csr(dd, i, RCV_HDR_TAIL_ADDR, 0);
13321 write_kctxt_csr(dd, i, RCV_AVAIL_TIME_OUT, 0);
13322 write_kctxt_csr(dd, i, RCV_HDR_OVFL_CNT, 0);
13325 /* RCV_HDR_TAIL read-only */
13326 write_uctxt_csr(dd, i, RCV_HDR_HEAD, 0);
13327 /* RCV_EGR_INDEX_TAIL read-only */
13328 write_uctxt_csr(dd, i, RCV_EGR_INDEX_HEAD, 0);
13329 /* RCV_EGR_OFFSET_TAIL read-only */
13330 for (j = 0; j < RXE_NUM_TID_FLOWS; j++) {
13331 write_uctxt_csr(dd, i,
13332 RCV_TID_FLOW_TABLE + (8 * j), 0);
13338 * Set sc2vl tables.
13340 * They power on to zeros, so to avoid send context errors
13341 * they need to be set:
13343 * SC 0-7 -> VL 0-7 (respectively)
13348 static void init_sc2vl_tables(struct hfi1_devdata *dd)
13351 /* init per architecture spec, constrained by hardware capability */
13353 /* HFI maps sent packets */
13354 write_csr(dd, SEND_SC2VLT0, SC2VL_VAL(
13360 write_csr(dd, SEND_SC2VLT1, SC2VL_VAL(
13366 write_csr(dd, SEND_SC2VLT2, SC2VL_VAL(
13372 write_csr(dd, SEND_SC2VLT3, SC2VL_VAL(
13379 /* DC maps received packets */
13380 write_csr(dd, DCC_CFG_SC_VL_TABLE_15_0, DC_SC_VL_VAL(
13382 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7,
13383 8, 0, 9, 0, 10, 0, 11, 0, 12, 0, 13, 0, 14, 0, 15, 15));
13384 write_csr(dd, DCC_CFG_SC_VL_TABLE_31_16, DC_SC_VL_VAL(
13386 16, 0, 17, 0, 18, 0, 19, 0, 20, 0, 21, 0, 22, 0, 23, 0,
13387 24, 0, 25, 0, 26, 0, 27, 0, 28, 0, 29, 0, 30, 0, 31, 0));
13389 /* initialize the cached sc2vl values consistently with h/w */
13390 for (i = 0; i < 32; i++) {
13391 if (i < 8 || i == 15)
13392 *((u8 *)(dd->sc2vl) + i) = (u8)i;
13394 *((u8 *)(dd->sc2vl) + i) = 0;
13399 * Read chip sizes and then reset parts to sane, disabled, values. We cannot
13400 * depend on the chip going through a power-on reset - a driver may be loaded
13401 * and unloaded many times.
13403 * Do not write any CSR values to the chip in this routine - there may be
13404 * a reset following the (possible) FLR in this routine.
13407 static void init_chip(struct hfi1_devdata *dd)
13412 * Put the HFI CSRs in a known state.
13413 * Combine this with a DC reset.
13415 * Stop the device from doing anything while we do a
13416 * reset. We know there are no other active users of
13417 * the device since we are now in charge. Turn off
13418 * off all outbound and inbound traffic and make sure
13419 * the device does not generate any interrupts.
13422 /* disable send contexts and SDMA engines */
13423 write_csr(dd, SEND_CTRL, 0);
13424 for (i = 0; i < dd->chip_send_contexts; i++)
13425 write_kctxt_csr(dd, i, SEND_CTXT_CTRL, 0);
13426 for (i = 0; i < dd->chip_sdma_engines; i++)
13427 write_kctxt_csr(dd, i, SEND_DMA_CTRL, 0);
13428 /* disable port (turn off RXE inbound traffic) and contexts */
13429 write_csr(dd, RCV_CTRL, 0);
13430 for (i = 0; i < dd->chip_rcv_contexts; i++)
13431 write_csr(dd, RCV_CTXT_CTRL, 0);
13432 /* mask all interrupt sources */
13433 for (i = 0; i < CCE_NUM_INT_CSRS; i++)
13434 write_csr(dd, CCE_INT_MASK + (8 * i), 0ull);
13437 * DC Reset: do a full DC reset before the register clear.
13438 * A recommended length of time to hold is one CSR read,
13439 * so reread the CceDcCtrl. Then, hold the DC in reset
13440 * across the clear.
13442 write_csr(dd, CCE_DC_CTRL, CCE_DC_CTRL_DC_RESET_SMASK);
13443 (void)read_csr(dd, CCE_DC_CTRL);
13447 * A FLR will reset the SPC core and part of the PCIe.
13448 * The parts that need to be restored have already been
13451 dd_dev_info(dd, "Resetting CSRs with FLR\n");
13453 /* do the FLR, the DC reset will remain */
13456 /* restore command and BARs */
13457 restore_pci_variables(dd);
13460 dd_dev_info(dd, "Resetting CSRs with FLR\n");
13462 restore_pci_variables(dd);
13465 dd_dev_info(dd, "Resetting CSRs with writes\n");
13466 reset_cce_csrs(dd);
13467 reset_txe_csrs(dd);
13468 reset_rxe_csrs(dd);
13469 reset_misc_csrs(dd);
13471 /* clear the DC reset */
13472 write_csr(dd, CCE_DC_CTRL, 0);
13474 /* Set the LED off */
13478 * Clear the QSFP reset.
13479 * An FLR enforces a 0 on all out pins. The driver does not touch
13480 * ASIC_QSFPn_OUT otherwise. This leaves RESET_N low and
13481 * anything plugged constantly in reset, if it pays attention
13483 * Prime examples of this are optical cables. Set all pins high.
13484 * I2CCLK and I2CDAT will change per direction, and INT_N and
13485 * MODPRS_N are input only and their value is ignored.
13487 write_csr(dd, ASIC_QSFP1_OUT, 0x1f);
13488 write_csr(dd, ASIC_QSFP2_OUT, 0x1f);
13489 init_chip_resources(dd);
13492 static void init_early_variables(struct hfi1_devdata *dd)
13496 /* assign link credit variables */
13498 dd->link_credits = CM_GLOBAL_CREDITS;
13500 dd->link_credits--;
13501 dd->vcu = cu_to_vcu(hfi1_cu);
13502 /* enough room for 8 MAD packets plus header - 17K */
13503 dd->vl15_init = (8 * (2048 + 128)) / vau_to_au(dd->vau);
13504 if (dd->vl15_init > dd->link_credits)
13505 dd->vl15_init = dd->link_credits;
13507 write_uninitialized_csrs_and_memories(dd);
13509 if (HFI1_CAP_IS_KSET(PKEY_CHECK))
13510 for (i = 0; i < dd->num_pports; i++) {
13511 struct hfi1_pportdata *ppd = &dd->pport[i];
13513 set_partition_keys(ppd);
13515 init_sc2vl_tables(dd);
13518 static void init_kdeth_qp(struct hfi1_devdata *dd)
13520 /* user changed the KDETH_QP */
13521 if (kdeth_qp != 0 && kdeth_qp >= 0xff) {
13522 /* out of range or illegal value */
13523 dd_dev_err(dd, "Invalid KDETH queue pair prefix, ignoring");
13526 if (kdeth_qp == 0) /* not set, or failed range check */
13527 kdeth_qp = DEFAULT_KDETH_QP;
13529 write_csr(dd, SEND_BTH_QP,
13530 (kdeth_qp & SEND_BTH_QP_KDETH_QP_MASK) <<
13531 SEND_BTH_QP_KDETH_QP_SHIFT);
13533 write_csr(dd, RCV_BTH_QP,
13534 (kdeth_qp & RCV_BTH_QP_KDETH_QP_MASK) <<
13535 RCV_BTH_QP_KDETH_QP_SHIFT);
13540 * @dd - device data
13541 * @first_ctxt - first context
13542 * @last_ctxt - first context
13544 * This return sets the qpn mapping table that
13545 * is indexed by qpn[8:1].
13547 * The routine will round robin the 256 settings
13548 * from first_ctxt to last_ctxt.
13550 * The first/last looks ahead to having specialized
13551 * receive contexts for mgmt and bypass. Normal
13552 * verbs traffic will assumed to be on a range
13553 * of receive contexts.
13555 static void init_qpmap_table(struct hfi1_devdata *dd,
13560 u64 regno = RCV_QP_MAP_TABLE;
13562 u64 ctxt = first_ctxt;
13564 for (i = 0; i < 256; i++) {
13565 reg |= ctxt << (8 * (i % 8));
13567 if (ctxt > last_ctxt)
13570 write_csr(dd, regno, reg);
13576 add_rcvctrl(dd, RCV_CTRL_RCV_QP_MAP_ENABLE_SMASK
13577 | RCV_CTRL_RCV_BYPASS_ENABLE_SMASK);
13580 struct rsm_map_table {
13581 u64 map[NUM_MAP_REGS];
13585 struct rsm_rule_data {
13601 * Return an initialized RMT map table for users to fill in. OK if it
13602 * returns NULL, indicating no table.
13604 static struct rsm_map_table *alloc_rsm_map_table(struct hfi1_devdata *dd)
13606 struct rsm_map_table *rmt;
13607 u8 rxcontext = is_ax(dd) ? 0 : 0xff; /* 0 is default if a0 ver. */
13609 rmt = kmalloc(sizeof(*rmt), GFP_KERNEL);
13611 memset(rmt->map, rxcontext, sizeof(rmt->map));
13619 * Write the final RMT map table to the chip and free the table. OK if
13622 static void complete_rsm_map_table(struct hfi1_devdata *dd,
13623 struct rsm_map_table *rmt)
13628 /* write table to chip */
13629 for (i = 0; i < NUM_MAP_REGS; i++)
13630 write_csr(dd, RCV_RSM_MAP_TABLE + (8 * i), rmt->map[i]);
13633 add_rcvctrl(dd, RCV_CTRL_RCV_RSM_ENABLE_SMASK);
13638 * Add a receive side mapping rule.
13640 static void add_rsm_rule(struct hfi1_devdata *dd, u8 rule_index,
13641 struct rsm_rule_data *rrd)
13643 write_csr(dd, RCV_RSM_CFG + (8 * rule_index),
13644 (u64)rrd->offset << RCV_RSM_CFG_OFFSET_SHIFT |
13645 1ull << rule_index | /* enable bit */
13646 (u64)rrd->pkt_type << RCV_RSM_CFG_PACKET_TYPE_SHIFT);
13647 write_csr(dd, RCV_RSM_SELECT + (8 * rule_index),
13648 (u64)rrd->field1_off << RCV_RSM_SELECT_FIELD1_OFFSET_SHIFT |
13649 (u64)rrd->field2_off << RCV_RSM_SELECT_FIELD2_OFFSET_SHIFT |
13650 (u64)rrd->index1_off << RCV_RSM_SELECT_INDEX1_OFFSET_SHIFT |
13651 (u64)rrd->index1_width << RCV_RSM_SELECT_INDEX1_WIDTH_SHIFT |
13652 (u64)rrd->index2_off << RCV_RSM_SELECT_INDEX2_OFFSET_SHIFT |
13653 (u64)rrd->index2_width << RCV_RSM_SELECT_INDEX2_WIDTH_SHIFT);
13654 write_csr(dd, RCV_RSM_MATCH + (8 * rule_index),
13655 (u64)rrd->mask1 << RCV_RSM_MATCH_MASK1_SHIFT |
13656 (u64)rrd->value1 << RCV_RSM_MATCH_VALUE1_SHIFT |
13657 (u64)rrd->mask2 << RCV_RSM_MATCH_MASK2_SHIFT |
13658 (u64)rrd->value2 << RCV_RSM_MATCH_VALUE2_SHIFT);
13661 /* return the number of RSM map table entries that will be used for QOS */
13662 static int qos_rmt_entries(struct hfi1_devdata *dd, unsigned int *mp,
13669 /* is QOS active at all? */
13670 if (dd->n_krcv_queues <= MIN_KERNEL_KCTXTS ||
13675 /* determine bits for qpn */
13676 for (i = 0; i < min_t(unsigned int, num_vls, krcvqsset); i++)
13677 if (krcvqs[i] > max_by_vl)
13678 max_by_vl = krcvqs[i];
13679 if (max_by_vl > 32)
13681 m = ilog2(__roundup_pow_of_two(max_by_vl));
13683 /* determine bits for vl */
13684 n = ilog2(__roundup_pow_of_two(num_vls));
13686 /* reject if too much is used */
13695 return 1 << (m + n);
13706 * init_qos - init RX qos
13707 * @dd - device data
13708 * @rmt - RSM map table
13710 * This routine initializes Rule 0 and the RSM map table to implement
13711 * quality of service (qos).
13713 * If all of the limit tests succeed, qos is applied based on the array
13714 * interpretation of krcvqs where entry 0 is VL0.
13716 * The number of vl bits (n) and the number of qpn bits (m) are computed to
13717 * feed both the RSM map table and the single rule.
13719 static void init_qos(struct hfi1_devdata *dd, struct rsm_map_table *rmt)
13721 struct rsm_rule_data rrd;
13722 unsigned qpns_per_vl, ctxt, i, qpn, n = 1, m;
13723 unsigned int rmt_entries;
13728 rmt_entries = qos_rmt_entries(dd, &m, &n);
13729 if (rmt_entries == 0)
13731 qpns_per_vl = 1 << m;
13733 /* enough room in the map table? */
13734 rmt_entries = 1 << (m + n);
13735 if (rmt->used + rmt_entries >= NUM_MAP_ENTRIES)
13738 /* add qos entries to the the RSM map table */
13739 for (i = 0, ctxt = FIRST_KERNEL_KCTXT; i < num_vls; i++) {
13742 for (qpn = 0, tctxt = ctxt;
13743 krcvqs[i] && qpn < qpns_per_vl; qpn++) {
13744 unsigned idx, regoff, regidx;
13746 /* generate the index the hardware will produce */
13747 idx = rmt->used + ((qpn << n) ^ i);
13748 regoff = (idx % 8) * 8;
13750 /* replace default with context number */
13751 reg = rmt->map[regidx];
13752 reg &= ~(RCV_RSM_MAP_TABLE_RCV_CONTEXT_A_MASK
13754 reg |= (u64)(tctxt++) << regoff;
13755 rmt->map[regidx] = reg;
13756 if (tctxt == ctxt + krcvqs[i])
13762 rrd.offset = rmt->used;
13764 rrd.field1_off = LRH_BTH_MATCH_OFFSET;
13765 rrd.field2_off = LRH_SC_MATCH_OFFSET;
13766 rrd.index1_off = LRH_SC_SELECT_OFFSET;
13767 rrd.index1_width = n;
13768 rrd.index2_off = QPN_SELECT_OFFSET;
13769 rrd.index2_width = m + n;
13770 rrd.mask1 = LRH_BTH_MASK;
13771 rrd.value1 = LRH_BTH_VALUE;
13772 rrd.mask2 = LRH_SC_MASK;
13773 rrd.value2 = LRH_SC_VALUE;
13776 add_rsm_rule(dd, 0, &rrd);
13778 /* mark RSM map entries as used */
13779 rmt->used += rmt_entries;
13780 /* map everything else to the mcast/err/vl15 context */
13781 init_qpmap_table(dd, HFI1_CTRL_CTXT, HFI1_CTRL_CTXT);
13782 dd->qos_shift = n + 1;
13786 init_qpmap_table(dd, FIRST_KERNEL_KCTXT, dd->n_krcv_queues - 1);
13789 static void init_user_fecn_handling(struct hfi1_devdata *dd,
13790 struct rsm_map_table *rmt)
13792 struct rsm_rule_data rrd;
13794 int i, idx, regoff, regidx;
13797 /* there needs to be enough room in the map table */
13798 if (rmt->used + dd->num_user_contexts >= NUM_MAP_ENTRIES) {
13799 dd_dev_err(dd, "User FECN handling disabled - too many user contexts allocated\n");
13804 * RSM will extract the destination context as an index into the
13805 * map table. The destination contexts are a sequential block
13806 * in the range first_user_ctxt...num_rcv_contexts-1 (inclusive).
13807 * Map entries are accessed as offset + extracted value. Adjust
13808 * the added offset so this sequence can be placed anywhere in
13809 * the table - as long as the entries themselves do not wrap.
13810 * There are only enough bits in offset for the table size, so
13811 * start with that to allow for a "negative" offset.
13813 offset = (u8)(NUM_MAP_ENTRIES + (int)rmt->used -
13814 (int)dd->first_user_ctxt);
13816 for (i = dd->first_user_ctxt, idx = rmt->used;
13817 i < dd->num_rcv_contexts; i++, idx++) {
13818 /* replace with identity mapping */
13819 regoff = (idx % 8) * 8;
13821 reg = rmt->map[regidx];
13822 reg &= ~(RCV_RSM_MAP_TABLE_RCV_CONTEXT_A_MASK << regoff);
13823 reg |= (u64)i << regoff;
13824 rmt->map[regidx] = reg;
13828 * For RSM intercept of Expected FECN packets:
13829 * o packet type 0 - expected
13830 * o match on F (bit 95), using select/match 1, and
13831 * o match on SH (bit 133), using select/match 2.
13833 * Use index 1 to extract the 8-bit receive context from DestQP
13834 * (start at bit 64). Use that as the RSM map table index.
13836 rrd.offset = offset;
13838 rrd.field1_off = 95;
13839 rrd.field2_off = 133;
13840 rrd.index1_off = 64;
13841 rrd.index1_width = 8;
13842 rrd.index2_off = 0;
13843 rrd.index2_width = 0;
13850 add_rsm_rule(dd, 1, &rrd);
13852 rmt->used += dd->num_user_contexts;
13855 static void init_rxe(struct hfi1_devdata *dd)
13857 struct rsm_map_table *rmt;
13859 /* enable all receive errors */
13860 write_csr(dd, RCV_ERR_MASK, ~0ull);
13862 rmt = alloc_rsm_map_table(dd);
13863 /* set up QOS, including the QPN map table */
13865 init_user_fecn_handling(dd, rmt);
13866 complete_rsm_map_table(dd, rmt);
13870 * make sure RcvCtrl.RcvWcb <= PCIe Device Control
13871 * Register Max_Payload_Size (PCI_EXP_DEVCTL in Linux PCIe config
13872 * space, PciCfgCap2.MaxPayloadSize in HFI). There is only one
13873 * invalid configuration: RcvCtrl.RcvWcb set to its max of 256 and
13874 * Max_PayLoad_Size set to its minimum of 128.
13876 * Presently, RcvCtrl.RcvWcb is not modified from its default of 0
13877 * (64 bytes). Max_Payload_Size is possibly modified upward in
13878 * tune_pcie_caps() which is called after this routine.
13882 static void init_other(struct hfi1_devdata *dd)
13884 /* enable all CCE errors */
13885 write_csr(dd, CCE_ERR_MASK, ~0ull);
13886 /* enable *some* Misc errors */
13887 write_csr(dd, MISC_ERR_MASK, DRIVER_MISC_MASK);
13888 /* enable all DC errors, except LCB */
13889 write_csr(dd, DCC_ERR_FLG_EN, ~0ull);
13890 write_csr(dd, DC_DC8051_ERR_EN, ~0ull);
13894 * Fill out the given AU table using the given CU. A CU is defined in terms
13895 * AUs. The table is a an encoding: given the index, how many AUs does that
13898 * NOTE: Assumes that the register layout is the same for the
13899 * local and remote tables.
13901 static void assign_cm_au_table(struct hfi1_devdata *dd, u32 cu,
13902 u32 csr0to3, u32 csr4to7)
13904 write_csr(dd, csr0to3,
13905 0ull << SEND_CM_LOCAL_AU_TABLE0_TO3_LOCAL_AU_TABLE0_SHIFT |
13906 1ull << SEND_CM_LOCAL_AU_TABLE0_TO3_LOCAL_AU_TABLE1_SHIFT |
13908 SEND_CM_LOCAL_AU_TABLE0_TO3_LOCAL_AU_TABLE2_SHIFT |
13910 SEND_CM_LOCAL_AU_TABLE0_TO3_LOCAL_AU_TABLE3_SHIFT);
13911 write_csr(dd, csr4to7,
13913 SEND_CM_LOCAL_AU_TABLE4_TO7_LOCAL_AU_TABLE4_SHIFT |
13915 SEND_CM_LOCAL_AU_TABLE4_TO7_LOCAL_AU_TABLE5_SHIFT |
13917 SEND_CM_LOCAL_AU_TABLE4_TO7_LOCAL_AU_TABLE6_SHIFT |
13919 SEND_CM_LOCAL_AU_TABLE4_TO7_LOCAL_AU_TABLE7_SHIFT);
13922 static void assign_local_cm_au_table(struct hfi1_devdata *dd, u8 vcu)
13924 assign_cm_au_table(dd, vcu_to_cu(vcu), SEND_CM_LOCAL_AU_TABLE0_TO3,
13925 SEND_CM_LOCAL_AU_TABLE4_TO7);
13928 void assign_remote_cm_au_table(struct hfi1_devdata *dd, u8 vcu)
13930 assign_cm_au_table(dd, vcu_to_cu(vcu), SEND_CM_REMOTE_AU_TABLE0_TO3,
13931 SEND_CM_REMOTE_AU_TABLE4_TO7);
13934 static void init_txe(struct hfi1_devdata *dd)
13938 /* enable all PIO, SDMA, general, and Egress errors */
13939 write_csr(dd, SEND_PIO_ERR_MASK, ~0ull);
13940 write_csr(dd, SEND_DMA_ERR_MASK, ~0ull);
13941 write_csr(dd, SEND_ERR_MASK, ~0ull);
13942 write_csr(dd, SEND_EGRESS_ERR_MASK, ~0ull);
13944 /* enable all per-context and per-SDMA engine errors */
13945 for (i = 0; i < dd->chip_send_contexts; i++)
13946 write_kctxt_csr(dd, i, SEND_CTXT_ERR_MASK, ~0ull);
13947 for (i = 0; i < dd->chip_sdma_engines; i++)
13948 write_kctxt_csr(dd, i, SEND_DMA_ENG_ERR_MASK, ~0ull);
13950 /* set the local CU to AU mapping */
13951 assign_local_cm_au_table(dd, dd->vcu);
13954 * Set reasonable default for Credit Return Timer
13955 * Don't set on Simulator - causes it to choke.
13957 if (dd->icode != ICODE_FUNCTIONAL_SIMULATOR)
13958 write_csr(dd, SEND_CM_TIMER_CTRL, HFI1_CREDIT_RETURN_RATE);
13961 int hfi1_set_ctxt_jkey(struct hfi1_devdata *dd, unsigned ctxt, u16 jkey)
13963 struct hfi1_ctxtdata *rcd = dd->rcd[ctxt];
13968 if (!rcd || !rcd->sc) {
13972 sctxt = rcd->sc->hw_context;
13973 reg = SEND_CTXT_CHECK_JOB_KEY_MASK_SMASK | /* mask is always 1's */
13974 ((jkey & SEND_CTXT_CHECK_JOB_KEY_VALUE_MASK) <<
13975 SEND_CTXT_CHECK_JOB_KEY_VALUE_SHIFT);
13976 /* JOB_KEY_ALLOW_PERMISSIVE is not allowed by default */
13977 if (HFI1_CAP_KGET_MASK(rcd->flags, ALLOW_PERM_JKEY))
13978 reg |= SEND_CTXT_CHECK_JOB_KEY_ALLOW_PERMISSIVE_SMASK;
13979 write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_JOB_KEY, reg);
13981 * Enable send-side J_KEY integrity check, unless this is A0 h/w
13984 reg = read_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE);
13985 reg |= SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK;
13986 write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE, reg);
13989 /* Enable J_KEY check on receive context. */
13990 reg = RCV_KEY_CTRL_JOB_KEY_ENABLE_SMASK |
13991 ((jkey & RCV_KEY_CTRL_JOB_KEY_VALUE_MASK) <<
13992 RCV_KEY_CTRL_JOB_KEY_VALUE_SHIFT);
13993 write_kctxt_csr(dd, ctxt, RCV_KEY_CTRL, reg);
13998 int hfi1_clear_ctxt_jkey(struct hfi1_devdata *dd, unsigned ctxt)
14000 struct hfi1_ctxtdata *rcd = dd->rcd[ctxt];
14005 if (!rcd || !rcd->sc) {
14009 sctxt = rcd->sc->hw_context;
14010 write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_JOB_KEY, 0);
14012 * Disable send-side J_KEY integrity check, unless this is A0 h/w.
14013 * This check would not have been enabled for A0 h/w, see
14017 reg = read_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE);
14018 reg &= ~SEND_CTXT_CHECK_ENABLE_CHECK_JOB_KEY_SMASK;
14019 write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE, reg);
14021 /* Turn off the J_KEY on the receive side */
14022 write_kctxt_csr(dd, ctxt, RCV_KEY_CTRL, 0);
14027 int hfi1_set_ctxt_pkey(struct hfi1_devdata *dd, unsigned ctxt, u16 pkey)
14029 struct hfi1_ctxtdata *rcd;
14034 if (ctxt < dd->num_rcv_contexts) {
14035 rcd = dd->rcd[ctxt];
14040 if (!rcd || !rcd->sc) {
14044 sctxt = rcd->sc->hw_context;
14045 reg = ((u64)pkey & SEND_CTXT_CHECK_PARTITION_KEY_VALUE_MASK) <<
14046 SEND_CTXT_CHECK_PARTITION_KEY_VALUE_SHIFT;
14047 write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_PARTITION_KEY, reg);
14048 reg = read_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE);
14049 reg |= SEND_CTXT_CHECK_ENABLE_CHECK_PARTITION_KEY_SMASK;
14050 reg &= ~SEND_CTXT_CHECK_ENABLE_DISALLOW_KDETH_PACKETS_SMASK;
14051 write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE, reg);
14056 int hfi1_clear_ctxt_pkey(struct hfi1_devdata *dd, unsigned ctxt)
14058 struct hfi1_ctxtdata *rcd;
14063 if (ctxt < dd->num_rcv_contexts) {
14064 rcd = dd->rcd[ctxt];
14069 if (!rcd || !rcd->sc) {
14073 sctxt = rcd->sc->hw_context;
14074 reg = read_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE);
14075 reg &= ~SEND_CTXT_CHECK_ENABLE_CHECK_PARTITION_KEY_SMASK;
14076 write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_ENABLE, reg);
14077 write_kctxt_csr(dd, sctxt, SEND_CTXT_CHECK_PARTITION_KEY, 0);
14083 * Start doing the clean up the the chip. Our clean up happens in multiple
14084 * stages and this is just the first.
14086 void hfi1_start_cleanup(struct hfi1_devdata *dd)
14091 clean_up_interrupts(dd);
14092 finish_chip_resources(dd);
14095 #define HFI_BASE_GUID(dev) \
14096 ((dev)->base_guid & ~(1ULL << GUID_HFI_INDEX_SHIFT))
14099 * Information can be shared between the two HFIs on the same ASIC
14100 * in the same OS. This function finds the peer device and sets
14101 * up a shared structure.
14103 static int init_asic_data(struct hfi1_devdata *dd)
14105 unsigned long flags;
14106 struct hfi1_devdata *tmp, *peer = NULL;
14107 struct hfi1_asic_data *asic_data;
14110 /* pre-allocate the asic structure in case we are the first device */
14111 asic_data = kzalloc(sizeof(*dd->asic_data), GFP_KERNEL);
14115 spin_lock_irqsave(&hfi1_devs_lock, flags);
14116 /* Find our peer device */
14117 list_for_each_entry(tmp, &hfi1_dev_list, list) {
14118 if ((HFI_BASE_GUID(dd) == HFI_BASE_GUID(tmp)) &&
14119 dd->unit != tmp->unit) {
14126 /* use already allocated structure */
14127 dd->asic_data = peer->asic_data;
14130 dd->asic_data = asic_data;
14131 mutex_init(&dd->asic_data->asic_resource_mutex);
14133 dd->asic_data->dds[dd->hfi1_id] = dd; /* self back-pointer */
14134 spin_unlock_irqrestore(&hfi1_devs_lock, flags);
14136 /* first one through - set up i2c devices */
14138 ret = set_up_i2c(dd, dd->asic_data);
14144 * Set dd->boardname. Use a generic name if a name is not returned from
14145 * EFI variable space.
14147 * Return 0 on success, -ENOMEM if space could not be allocated.
14149 static int obtain_boardname(struct hfi1_devdata *dd)
14151 /* generic board description */
14152 const char generic[] =
14153 "Intel Omni-Path Host Fabric Interface Adapter 100 Series";
14154 unsigned long size;
14157 ret = read_hfi1_efi_var(dd, "description", &size,
14158 (void **)&dd->boardname);
14160 dd_dev_info(dd, "Board description not found\n");
14161 /* use generic description */
14162 dd->boardname = kstrdup(generic, GFP_KERNEL);
14163 if (!dd->boardname)
14170 * Check the interrupt registers to make sure that they are mapped correctly.
14171 * It is intended to help user identify any mismapping by VMM when the driver
14172 * is running in a VM. This function should only be called before interrupt
14173 * is set up properly.
14175 * Return 0 on success, -EINVAL on failure.
14177 static int check_int_registers(struct hfi1_devdata *dd)
14180 u64 all_bits = ~(u64)0;
14183 /* Clear CceIntMask[0] to avoid raising any interrupts */
14184 mask = read_csr(dd, CCE_INT_MASK);
14185 write_csr(dd, CCE_INT_MASK, 0ull);
14186 reg = read_csr(dd, CCE_INT_MASK);
14190 /* Clear all interrupt status bits */
14191 write_csr(dd, CCE_INT_CLEAR, all_bits);
14192 reg = read_csr(dd, CCE_INT_STATUS);
14196 /* Set all interrupt status bits */
14197 write_csr(dd, CCE_INT_FORCE, all_bits);
14198 reg = read_csr(dd, CCE_INT_STATUS);
14199 if (reg != all_bits)
14202 /* Restore the interrupt mask */
14203 write_csr(dd, CCE_INT_CLEAR, all_bits);
14204 write_csr(dd, CCE_INT_MASK, mask);
14208 write_csr(dd, CCE_INT_MASK, mask);
14209 dd_dev_err(dd, "Interrupt registers not properly mapped by VMM\n");
14214 * Allocate and initialize the device structure for the hfi.
14215 * @dev: the pci_dev for hfi1_ib device
14216 * @ent: pci_device_id struct for this dev
14218 * Also allocates, initializes, and returns the devdata struct for this
14221 * This is global, and is called directly at init to set up the
14222 * chip-specific function pointers for later use.
14224 struct hfi1_devdata *hfi1_init_dd(struct pci_dev *pdev,
14225 const struct pci_device_id *ent)
14227 struct hfi1_devdata *dd;
14228 struct hfi1_pportdata *ppd;
14231 static const char * const inames[] = { /* implementation names */
14233 "RTL VCS simulation",
14234 "RTL FPGA emulation",
14235 "Functional simulator"
14237 struct pci_dev *parent = pdev->bus->self;
14239 dd = hfi1_alloc_devdata(pdev, NUM_IB_PORTS *
14240 sizeof(struct hfi1_pportdata));
14244 for (i = 0; i < dd->num_pports; i++, ppd++) {
14246 /* init common fields */
14247 hfi1_init_pportdata(pdev, ppd, dd, 0, 1);
14248 /* DC supports 4 link widths */
14249 ppd->link_width_supported =
14250 OPA_LINK_WIDTH_1X | OPA_LINK_WIDTH_2X |
14251 OPA_LINK_WIDTH_3X | OPA_LINK_WIDTH_4X;
14252 ppd->link_width_downgrade_supported =
14253 ppd->link_width_supported;
14254 /* start out enabling only 4X */
14255 ppd->link_width_enabled = OPA_LINK_WIDTH_4X;
14256 ppd->link_width_downgrade_enabled =
14257 ppd->link_width_downgrade_supported;
14258 /* link width active is 0 when link is down */
14259 /* link width downgrade active is 0 when link is down */
14261 if (num_vls < HFI1_MIN_VLS_SUPPORTED ||
14262 num_vls > HFI1_MAX_VLS_SUPPORTED) {
14263 hfi1_early_err(&pdev->dev,
14264 "Invalid num_vls %u, using %u VLs\n",
14265 num_vls, HFI1_MAX_VLS_SUPPORTED);
14266 num_vls = HFI1_MAX_VLS_SUPPORTED;
14268 ppd->vls_supported = num_vls;
14269 ppd->vls_operational = ppd->vls_supported;
14270 ppd->actual_vls_operational = ppd->vls_supported;
14271 /* Set the default MTU. */
14272 for (vl = 0; vl < num_vls; vl++)
14273 dd->vld[vl].mtu = hfi1_max_mtu;
14274 dd->vld[15].mtu = MAX_MAD_PACKET;
14276 * Set the initial values to reasonable default, will be set
14277 * for real when link is up.
14279 ppd->lstate = IB_PORT_DOWN;
14280 ppd->overrun_threshold = 0x4;
14281 ppd->phy_error_threshold = 0xf;
14282 ppd->port_crc_mode_enabled = link_crc_mask;
14283 /* initialize supported LTP CRC mode */
14284 ppd->port_ltp_crc_mode = cap_to_port_ltp(link_crc_mask) << 8;
14285 /* initialize enabled LTP CRC mode */
14286 ppd->port_ltp_crc_mode |= cap_to_port_ltp(link_crc_mask) << 4;
14287 /* start in offline */
14288 ppd->host_link_state = HLS_DN_OFFLINE;
14289 init_vl_arb_caches(ppd);
14290 ppd->last_pstate = 0xff; /* invalid value */
14293 dd->link_default = HLS_DN_POLL;
14296 * Do remaining PCIe setup and save PCIe values in dd.
14297 * Any error printing is already done by the init code.
14298 * On return, we have the chip mapped.
14300 ret = hfi1_pcie_ddinit(dd, pdev, ent);
14304 /* verify that reads actually work, save revision for reset check */
14305 dd->revision = read_csr(dd, CCE_REVISION);
14306 if (dd->revision == ~(u64)0) {
14307 dd_dev_err(dd, "cannot read chip CSRs\n");
14311 dd->majrev = (dd->revision >> CCE_REVISION_CHIP_REV_MAJOR_SHIFT)
14312 & CCE_REVISION_CHIP_REV_MAJOR_MASK;
14313 dd->minrev = (dd->revision >> CCE_REVISION_CHIP_REV_MINOR_SHIFT)
14314 & CCE_REVISION_CHIP_REV_MINOR_MASK;
14317 * Check interrupt registers mapping if the driver has no access to
14318 * the upstream component. In this case, it is likely that the driver
14319 * is running in a VM.
14322 ret = check_int_registers(dd);
14328 * obtain the hardware ID - NOT related to unit, which is a
14329 * software enumeration
14331 reg = read_csr(dd, CCE_REVISION2);
14332 dd->hfi1_id = (reg >> CCE_REVISION2_HFI_ID_SHIFT)
14333 & CCE_REVISION2_HFI_ID_MASK;
14334 /* the variable size will remove unwanted bits */
14335 dd->icode = reg >> CCE_REVISION2_IMPL_CODE_SHIFT;
14336 dd->irev = reg >> CCE_REVISION2_IMPL_REVISION_SHIFT;
14337 dd_dev_info(dd, "Implementation: %s, revision 0x%x\n",
14338 dd->icode < ARRAY_SIZE(inames) ?
14339 inames[dd->icode] : "unknown", (int)dd->irev);
14341 /* speeds the hardware can support */
14342 dd->pport->link_speed_supported = OPA_LINK_SPEED_25G;
14343 /* speeds allowed to run at */
14344 dd->pport->link_speed_enabled = dd->pport->link_speed_supported;
14345 /* give a reasonable active value, will be set on link up */
14346 dd->pport->link_speed_active = OPA_LINK_SPEED_25G;
14348 dd->chip_rcv_contexts = read_csr(dd, RCV_CONTEXTS);
14349 dd->chip_send_contexts = read_csr(dd, SEND_CONTEXTS);
14350 dd->chip_sdma_engines = read_csr(dd, SEND_DMA_ENGINES);
14351 dd->chip_pio_mem_size = read_csr(dd, SEND_PIO_MEM_SIZE);
14352 dd->chip_sdma_mem_size = read_csr(dd, SEND_DMA_MEM_SIZE);
14353 /* fix up link widths for emulation _p */
14355 if (dd->icode == ICODE_FPGA_EMULATION && is_emulator_p(dd)) {
14356 ppd->link_width_supported =
14357 ppd->link_width_enabled =
14358 ppd->link_width_downgrade_supported =
14359 ppd->link_width_downgrade_enabled =
14362 /* insure num_vls isn't larger than number of sdma engines */
14363 if (HFI1_CAP_IS_KSET(SDMA) && num_vls > dd->chip_sdma_engines) {
14364 dd_dev_err(dd, "num_vls %u too large, using %u VLs\n",
14365 num_vls, dd->chip_sdma_engines);
14366 num_vls = dd->chip_sdma_engines;
14367 ppd->vls_supported = dd->chip_sdma_engines;
14368 ppd->vls_operational = ppd->vls_supported;
14372 * Convert the ns parameter to the 64 * cclocks used in the CSR.
14373 * Limit the max if larger than the field holds. If timeout is
14374 * non-zero, then the calculated field will be at least 1.
14376 * Must be after icode is set up - the cclock rate depends
14377 * on knowing the hardware being used.
14379 dd->rcv_intr_timeout_csr = ns_to_cclock(dd, rcv_intr_timeout) / 64;
14380 if (dd->rcv_intr_timeout_csr >
14381 RCV_AVAIL_TIME_OUT_TIME_OUT_RELOAD_MASK)
14382 dd->rcv_intr_timeout_csr =
14383 RCV_AVAIL_TIME_OUT_TIME_OUT_RELOAD_MASK;
14384 else if (dd->rcv_intr_timeout_csr == 0 && rcv_intr_timeout)
14385 dd->rcv_intr_timeout_csr = 1;
14387 /* needs to be done before we look for the peer device */
14390 /* set up shared ASIC data with peer device */
14391 ret = init_asic_data(dd);
14395 /* obtain chip sizes, reset chip CSRs */
14398 /* read in the PCIe link speed information */
14399 ret = pcie_speeds(dd);
14403 /* Needs to be called before hfi1_firmware_init */
14404 get_platform_config(dd);
14406 /* read in firmware */
14407 ret = hfi1_firmware_init(dd);
14412 * In general, the PCIe Gen3 transition must occur after the
14413 * chip has been idled (so it won't initiate any PCIe transactions
14414 * e.g. an interrupt) and before the driver changes any registers
14415 * (the transition will reset the registers).
14417 * In particular, place this call after:
14418 * - init_chip() - the chip will not initiate any PCIe transactions
14419 * - pcie_speeds() - reads the current link speed
14420 * - hfi1_firmware_init() - the needed firmware is ready to be
14423 ret = do_pcie_gen3_transition(dd);
14427 /* start setting dd values and adjusting CSRs */
14428 init_early_variables(dd);
14430 parse_platform_config(dd);
14432 ret = obtain_boardname(dd);
14436 snprintf(dd->boardversion, BOARD_VERS_MAX,
14437 "ChipABI %u.%u, ChipRev %u.%u, SW Compat %llu\n",
14438 HFI1_CHIP_VERS_MAJ, HFI1_CHIP_VERS_MIN,
14441 (dd->revision >> CCE_REVISION_SW_SHIFT)
14442 & CCE_REVISION_SW_MASK);
14444 ret = set_up_context_variables(dd);
14448 /* set initial RXE CSRs */
14450 /* set initial TXE CSRs */
14452 /* set initial non-RXE, non-TXE CSRs */
14454 /* set up KDETH QP prefix in both RX and TX CSRs */
14457 ret = hfi1_dev_affinity_init(dd);
14461 /* send contexts must be set up before receive contexts */
14462 ret = init_send_contexts(dd);
14466 ret = hfi1_create_ctxts(dd);
14470 dd->rcvhdrsize = DEFAULT_RCVHDRSIZE;
14472 * rcd[0] is guaranteed to be valid by this point. Also, all
14473 * context are using the same value, as per the module parameter.
14475 dd->rhf_offset = dd->rcd[0]->rcvhdrqentsize - sizeof(u64) / sizeof(u32);
14477 ret = init_pervl_scs(dd);
14482 for (i = 0; i < dd->num_pports; ++i) {
14483 ret = sdma_init(dd, i);
14488 /* use contexts created by hfi1_create_ctxts */
14489 ret = set_up_interrupts(dd);
14493 /* set up LCB access - must be after set_up_interrupts() */
14494 init_lcb_access(dd);
14496 snprintf(dd->serial, SERIAL_MAX, "0x%08llx\n",
14497 dd->base_guid & 0xFFFFFF);
14499 dd->oui1 = dd->base_guid >> 56 & 0xFF;
14500 dd->oui2 = dd->base_guid >> 48 & 0xFF;
14501 dd->oui3 = dd->base_guid >> 40 & 0xFF;
14503 ret = load_firmware(dd); /* asymmetric with dispose_firmware() */
14505 goto bail_clear_intr;
14506 check_fabric_firmware_versions(dd);
14510 ret = init_cntrs(dd);
14512 goto bail_clear_intr;
14514 ret = init_rcverr(dd);
14516 goto bail_free_cntrs;
14518 ret = eprom_init(dd);
14520 goto bail_free_rcverr;
14529 clean_up_interrupts(dd);
14531 hfi1_pcie_ddcleanup(dd);
14533 hfi1_free_devdata(dd);
14539 static u16 delay_cycles(struct hfi1_pportdata *ppd, u32 desired_egress_rate,
14543 u32 current_egress_rate = ppd->current_egress_rate;
14544 /* rates here are in units of 10^6 bits/sec */
14546 if (desired_egress_rate == -1)
14547 return 0; /* shouldn't happen */
14549 if (desired_egress_rate >= current_egress_rate)
14550 return 0; /* we can't help go faster, only slower */
14552 delta_cycles = egress_cycles(dw_len * 4, desired_egress_rate) -
14553 egress_cycles(dw_len * 4, current_egress_rate);
14555 return (u16)delta_cycles;
14559 * create_pbc - build a pbc for transmission
14560 * @flags: special case flags or-ed in built pbc
14561 * @srate: static rate
14563 * @dwlen: dword length (header words + data words + pbc words)
14565 * Create a PBC with the given flags, rate, VL, and length.
14567 * NOTE: The PBC created will not insert any HCRC - all callers but one are
14568 * for verbs, which does not use this PSM feature. The lone other caller
14569 * is for the diagnostic interface which calls this if the user does not
14570 * supply their own PBC.
14572 u64 create_pbc(struct hfi1_pportdata *ppd, u64 flags, int srate_mbs, u32 vl,
14575 u64 pbc, delay = 0;
14577 if (unlikely(srate_mbs))
14578 delay = delay_cycles(ppd, srate_mbs, dw_len);
14581 | (delay << PBC_STATIC_RATE_CONTROL_COUNT_SHIFT)
14582 | ((u64)PBC_IHCRC_NONE << PBC_INSERT_HCRC_SHIFT)
14583 | (vl & PBC_VL_MASK) << PBC_VL_SHIFT
14584 | (dw_len & PBC_LENGTH_DWS_MASK)
14585 << PBC_LENGTH_DWS_SHIFT;
14590 #define SBUS_THERMAL 0x4f
14591 #define SBUS_THERM_MONITOR_MODE 0x1
14593 #define THERM_FAILURE(dev, ret, reason) \
14595 "Thermal sensor initialization failed: %s (%d)\n", \
14599 * Initialize the thermal sensor.
14601 * After initialization, enable polling of thermal sensor through
14602 * SBus interface. In order for this to work, the SBus Master
14603 * firmware has to be loaded due to the fact that the HW polling
14604 * logic uses SBus interrupts, which are not supported with
14605 * default firmware. Otherwise, no data will be returned through
14606 * the ASIC_STS_THERM CSR.
14608 static int thermal_init(struct hfi1_devdata *dd)
14612 if (dd->icode != ICODE_RTL_SILICON ||
14613 check_chip_resource(dd, CR_THERM_INIT, NULL))
14616 ret = acquire_chip_resource(dd, CR_SBUS, SBUS_TIMEOUT);
14618 THERM_FAILURE(dd, ret, "Acquire SBus");
14622 dd_dev_info(dd, "Initializing thermal sensor\n");
14623 /* Disable polling of thermal readings */
14624 write_csr(dd, ASIC_CFG_THERM_POLL_EN, 0x0);
14626 /* Thermal Sensor Initialization */
14627 /* Step 1: Reset the Thermal SBus Receiver */
14628 ret = sbus_request_slow(dd, SBUS_THERMAL, 0x0,
14629 RESET_SBUS_RECEIVER, 0);
14631 THERM_FAILURE(dd, ret, "Bus Reset");
14634 /* Step 2: Set Reset bit in Thermal block */
14635 ret = sbus_request_slow(dd, SBUS_THERMAL, 0x0,
14636 WRITE_SBUS_RECEIVER, 0x1);
14638 THERM_FAILURE(dd, ret, "Therm Block Reset");
14641 /* Step 3: Write clock divider value (100MHz -> 2MHz) */
14642 ret = sbus_request_slow(dd, SBUS_THERMAL, 0x1,
14643 WRITE_SBUS_RECEIVER, 0x32);
14645 THERM_FAILURE(dd, ret, "Write Clock Div");
14648 /* Step 4: Select temperature mode */
14649 ret = sbus_request_slow(dd, SBUS_THERMAL, 0x3,
14650 WRITE_SBUS_RECEIVER,
14651 SBUS_THERM_MONITOR_MODE);
14653 THERM_FAILURE(dd, ret, "Write Mode Sel");
14656 /* Step 5: De-assert block reset and start conversion */
14657 ret = sbus_request_slow(dd, SBUS_THERMAL, 0x0,
14658 WRITE_SBUS_RECEIVER, 0x2);
14660 THERM_FAILURE(dd, ret, "Write Reset Deassert");
14663 /* Step 5.1: Wait for first conversion (21.5ms per spec) */
14666 /* Enable polling of thermal readings */
14667 write_csr(dd, ASIC_CFG_THERM_POLL_EN, 0x1);
14669 /* Set initialized flag */
14670 ret = acquire_chip_resource(dd, CR_THERM_INIT, 0);
14672 THERM_FAILURE(dd, ret, "Unable to set thermal init flag");
14675 release_chip_resource(dd, CR_SBUS);
14679 static void handle_temp_err(struct hfi1_devdata *dd)
14681 struct hfi1_pportdata *ppd = &dd->pport[0];
14683 * Thermal Critical Interrupt
14684 * Put the device into forced freeze mode, take link down to
14685 * offline, and put DC into reset.
14688 "Critical temperature reached! Forcing device into freeze mode!\n");
14689 dd->flags |= HFI1_FORCED_FREEZE;
14690 start_freeze_handling(ppd, FREEZE_SELF | FREEZE_ABORT);
14692 * Shut DC down as much and as quickly as possible.
14694 * Step 1: Take the link down to OFFLINE. This will cause the
14695 * 8051 to put the Serdes in reset. However, we don't want to
14696 * go through the entire link state machine since we want to
14697 * shutdown ASAP. Furthermore, this is not a graceful shutdown
14698 * but rather an attempt to save the chip.
14699 * Code below is almost the same as quiet_serdes() but avoids
14700 * all the extra work and the sleeps.
14702 ppd->driver_link_ready = 0;
14703 ppd->link_enabled = 0;
14704 set_physical_link_state(dd, (OPA_LINKDOWN_REASON_SMA_DISABLED << 8) |
14707 * Step 2: Shutdown LCB and 8051
14708 * After shutdown, do not restore DC_CFG_RESET value.