2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #include <linux/mlx5/port.h>
34 #include "mlx5_core.h"
36 int mlx5_core_access_reg(struct mlx5_core_dev *dev, void *data_in,
37 int size_in, void *data_out, int size_out,
38 u16 reg_id, int arg, int write)
40 int outlen = MLX5_ST_SZ_BYTES(access_register_out) + size_out;
41 int inlen = MLX5_ST_SZ_BYTES(access_register_in) + size_in;
47 in = kvzalloc(inlen, GFP_KERNEL);
48 out = kvzalloc(outlen, GFP_KERNEL);
52 data = MLX5_ADDR_OF(access_register_in, in, register_data);
53 memcpy(data, data_in, size_in);
55 MLX5_SET(access_register_in, in, opcode, MLX5_CMD_OP_ACCESS_REG);
56 MLX5_SET(access_register_in, in, op_mod, !write);
57 MLX5_SET(access_register_in, in, argument, arg);
58 MLX5_SET(access_register_in, in, register_id, reg_id);
60 err = mlx5_cmd_exec(dev, in, inlen, out, outlen);
64 data = MLX5_ADDR_OF(access_register_out, out, register_data);
65 memcpy(data_out, data, size_out);
72 EXPORT_SYMBOL_GPL(mlx5_core_access_reg);
74 int mlx5_query_pcam_reg(struct mlx5_core_dev *dev, u32 *pcam, u8 feature_group,
77 u32 in[MLX5_ST_SZ_DW(pcam_reg)] = {0};
78 int sz = MLX5_ST_SZ_BYTES(pcam_reg);
80 MLX5_SET(pcam_reg, in, feature_group, feature_group);
81 MLX5_SET(pcam_reg, in, access_reg_group, access_reg_group);
83 return mlx5_core_access_reg(dev, in, sz, pcam, sz, MLX5_REG_PCAM, 0, 0);
86 int mlx5_query_mcam_reg(struct mlx5_core_dev *dev, u32 *mcam, u8 feature_group,
89 u32 in[MLX5_ST_SZ_DW(mcam_reg)] = {0};
90 int sz = MLX5_ST_SZ_BYTES(mcam_reg);
92 MLX5_SET(mcam_reg, in, feature_group, feature_group);
93 MLX5_SET(mcam_reg, in, access_reg_group, access_reg_group);
95 return mlx5_core_access_reg(dev, in, sz, mcam, sz, MLX5_REG_MCAM, 0, 0);
98 int mlx5_query_qcam_reg(struct mlx5_core_dev *mdev, u32 *qcam,
99 u8 feature_group, u8 access_reg_group)
101 u32 in[MLX5_ST_SZ_DW(qcam_reg)] = {};
102 int sz = MLX5_ST_SZ_BYTES(qcam_reg);
104 MLX5_SET(qcam_reg, in, feature_group, feature_group);
105 MLX5_SET(qcam_reg, in, access_reg_group, access_reg_group);
107 return mlx5_core_access_reg(mdev, in, sz, qcam, sz, MLX5_REG_QCAM, 0, 0);
110 struct mlx5_reg_pcap {
120 int mlx5_set_port_caps(struct mlx5_core_dev *dev, u8 port_num, u32 caps)
122 struct mlx5_reg_pcap in;
123 struct mlx5_reg_pcap out;
125 memset(&in, 0, sizeof(in));
126 in.caps_127_96 = cpu_to_be32(caps);
127 in.port_num = port_num;
129 return mlx5_core_access_reg(dev, &in, sizeof(in), &out,
130 sizeof(out), MLX5_REG_PCAP, 0, 1);
132 EXPORT_SYMBOL_GPL(mlx5_set_port_caps);
134 int mlx5_query_port_ptys(struct mlx5_core_dev *dev, u32 *ptys,
135 int ptys_size, int proto_mask, u8 local_port)
137 u32 in[MLX5_ST_SZ_DW(ptys_reg)] = {0};
139 MLX5_SET(ptys_reg, in, local_port, local_port);
140 MLX5_SET(ptys_reg, in, proto_mask, proto_mask);
141 return mlx5_core_access_reg(dev, in, sizeof(in), ptys,
142 ptys_size, MLX5_REG_PTYS, 0, 0);
144 EXPORT_SYMBOL_GPL(mlx5_query_port_ptys);
146 int mlx5_set_port_beacon(struct mlx5_core_dev *dev, u16 beacon_duration)
148 u32 in[MLX5_ST_SZ_DW(mlcr_reg)] = {0};
149 u32 out[MLX5_ST_SZ_DW(mlcr_reg)];
151 MLX5_SET(mlcr_reg, in, local_port, 1);
152 MLX5_SET(mlcr_reg, in, beacon_duration, beacon_duration);
153 return mlx5_core_access_reg(dev, in, sizeof(in), out,
154 sizeof(out), MLX5_REG_MLCR, 0, 1);
157 int mlx5_query_ib_port_oper(struct mlx5_core_dev *dev, u16 *link_width_oper,
158 u16 *proto_oper, u8 local_port)
160 u32 out[MLX5_ST_SZ_DW(ptys_reg)];
163 err = mlx5_query_port_ptys(dev, out, sizeof(out), MLX5_PTYS_IB,
168 *link_width_oper = MLX5_GET(ptys_reg, out, ib_link_width_oper);
169 *proto_oper = MLX5_GET(ptys_reg, out, ib_proto_oper);
173 EXPORT_SYMBOL(mlx5_query_ib_port_oper);
175 /* This function should be used after setting a port register only */
176 void mlx5_toggle_port_link(struct mlx5_core_dev *dev)
178 enum mlx5_port_status ps;
180 mlx5_query_port_admin_status(dev, &ps);
181 mlx5_set_port_admin_status(dev, MLX5_PORT_DOWN);
182 if (ps == MLX5_PORT_UP)
183 mlx5_set_port_admin_status(dev, MLX5_PORT_UP);
185 EXPORT_SYMBOL_GPL(mlx5_toggle_port_link);
187 int mlx5_set_port_admin_status(struct mlx5_core_dev *dev,
188 enum mlx5_port_status status)
190 u32 in[MLX5_ST_SZ_DW(paos_reg)] = {0};
191 u32 out[MLX5_ST_SZ_DW(paos_reg)];
193 MLX5_SET(paos_reg, in, local_port, 1);
194 MLX5_SET(paos_reg, in, admin_status, status);
195 MLX5_SET(paos_reg, in, ase, 1);
196 return mlx5_core_access_reg(dev, in, sizeof(in), out,
197 sizeof(out), MLX5_REG_PAOS, 0, 1);
199 EXPORT_SYMBOL_GPL(mlx5_set_port_admin_status);
201 int mlx5_query_port_admin_status(struct mlx5_core_dev *dev,
202 enum mlx5_port_status *status)
204 u32 in[MLX5_ST_SZ_DW(paos_reg)] = {0};
205 u32 out[MLX5_ST_SZ_DW(paos_reg)];
208 MLX5_SET(paos_reg, in, local_port, 1);
209 err = mlx5_core_access_reg(dev, in, sizeof(in), out,
210 sizeof(out), MLX5_REG_PAOS, 0, 0);
213 *status = MLX5_GET(paos_reg, out, admin_status);
216 EXPORT_SYMBOL_GPL(mlx5_query_port_admin_status);
218 static void mlx5_query_port_mtu(struct mlx5_core_dev *dev, u16 *admin_mtu,
219 u16 *max_mtu, u16 *oper_mtu, u8 port)
221 u32 in[MLX5_ST_SZ_DW(pmtu_reg)] = {0};
222 u32 out[MLX5_ST_SZ_DW(pmtu_reg)];
224 MLX5_SET(pmtu_reg, in, local_port, port);
225 mlx5_core_access_reg(dev, in, sizeof(in), out,
226 sizeof(out), MLX5_REG_PMTU, 0, 0);
229 *max_mtu = MLX5_GET(pmtu_reg, out, max_mtu);
231 *oper_mtu = MLX5_GET(pmtu_reg, out, oper_mtu);
233 *admin_mtu = MLX5_GET(pmtu_reg, out, admin_mtu);
236 int mlx5_set_port_mtu(struct mlx5_core_dev *dev, u16 mtu, u8 port)
238 u32 in[MLX5_ST_SZ_DW(pmtu_reg)] = {0};
239 u32 out[MLX5_ST_SZ_DW(pmtu_reg)];
241 MLX5_SET(pmtu_reg, in, admin_mtu, mtu);
242 MLX5_SET(pmtu_reg, in, local_port, port);
243 return mlx5_core_access_reg(dev, in, sizeof(in), out,
244 sizeof(out), MLX5_REG_PMTU, 0, 1);
246 EXPORT_SYMBOL_GPL(mlx5_set_port_mtu);
248 void mlx5_query_port_max_mtu(struct mlx5_core_dev *dev, u16 *max_mtu,
251 mlx5_query_port_mtu(dev, NULL, max_mtu, NULL, port);
253 EXPORT_SYMBOL_GPL(mlx5_query_port_max_mtu);
255 void mlx5_query_port_oper_mtu(struct mlx5_core_dev *dev, u16 *oper_mtu,
258 mlx5_query_port_mtu(dev, NULL, NULL, oper_mtu, port);
260 EXPORT_SYMBOL_GPL(mlx5_query_port_oper_mtu);
262 static int mlx5_query_module_num(struct mlx5_core_dev *dev, int *module_num)
264 u32 in[MLX5_ST_SZ_DW(pmlp_reg)] = {0};
265 u32 out[MLX5_ST_SZ_DW(pmlp_reg)];
269 MLX5_SET(pmlp_reg, in, local_port, 1);
270 err = mlx5_core_access_reg(dev, in, sizeof(in), out, sizeof(out),
271 MLX5_REG_PMLP, 0, 0);
275 module_mapping = MLX5_GET(pmlp_reg, out, lane0_module_mapping);
276 *module_num = module_mapping & MLX5_EEPROM_IDENTIFIER_BYTE_MASK;
281 static int mlx5_query_module_id(struct mlx5_core_dev *dev, int module_num,
284 u32 in[MLX5_ST_SZ_DW(mcia_reg)] = {};
285 u32 out[MLX5_ST_SZ_DW(mcia_reg)];
289 MLX5_SET(mcia_reg, in, i2c_device_address, MLX5_I2C_ADDR_LOW);
290 MLX5_SET(mcia_reg, in, module, module_num);
291 MLX5_SET(mcia_reg, in, device_address, 0);
292 MLX5_SET(mcia_reg, in, page_number, 0);
293 MLX5_SET(mcia_reg, in, size, 1);
294 MLX5_SET(mcia_reg, in, l, 0);
296 err = mlx5_core_access_reg(dev, in, sizeof(in), out,
297 sizeof(out), MLX5_REG_MCIA, 0, 0);
301 status = MLX5_GET(mcia_reg, out, status);
303 mlx5_core_err(dev, "query_mcia_reg failed: status: 0x%x\n",
307 ptr = MLX5_ADDR_OF(mcia_reg, out, dword_0);
314 static int mlx5_qsfp_eeprom_page(u16 offset)
316 if (offset < MLX5_EEPROM_PAGE_LENGTH)
317 /* Addresses between 0-255 - page 00 */
320 /* Addresses between 256 - 639 belongs to pages 01, 02 and 03
321 * For example, offset = 400 belongs to page 02:
322 * 1 + ((400 - 256)/128) = 2
324 return 1 + ((offset - MLX5_EEPROM_PAGE_LENGTH) /
325 MLX5_EEPROM_HIGH_PAGE_LENGTH);
328 static int mlx5_qsfp_eeprom_high_page_offset(int page_num)
330 if (!page_num) /* Page 0 always start from low page */
334 return page_num * MLX5_EEPROM_HIGH_PAGE_LENGTH;
337 static void mlx5_qsfp_eeprom_params_set(u16 *i2c_addr, int *page_num, u16 *offset)
339 *i2c_addr = MLX5_I2C_ADDR_LOW;
340 *page_num = mlx5_qsfp_eeprom_page(*offset);
341 *offset -= mlx5_qsfp_eeprom_high_page_offset(*page_num);
344 static void mlx5_sfp_eeprom_params_set(u16 *i2c_addr, int *page_num, u16 *offset)
346 *i2c_addr = MLX5_I2C_ADDR_LOW;
349 if (*offset < MLX5_EEPROM_PAGE_LENGTH)
352 *i2c_addr = MLX5_I2C_ADDR_HIGH;
353 *offset -= MLX5_EEPROM_PAGE_LENGTH;
356 static int mlx5_query_mcia(struct mlx5_core_dev *dev,
357 struct mlx5_module_eeprom_query_params *params, u8 *data)
359 u32 in[MLX5_ST_SZ_DW(mcia_reg)] = {};
360 u32 out[MLX5_ST_SZ_DW(mcia_reg)];
365 size = min_t(int, params->size, MLX5_EEPROM_MAX_BYTES);
367 MLX5_SET(mcia_reg, in, l, 0);
368 MLX5_SET(mcia_reg, in, size, size);
369 MLX5_SET(mcia_reg, in, module, params->module_number);
370 MLX5_SET(mcia_reg, in, device_address, params->offset);
371 MLX5_SET(mcia_reg, in, page_number, params->page);
372 MLX5_SET(mcia_reg, in, i2c_device_address, params->i2c_address);
374 err = mlx5_core_access_reg(dev, in, sizeof(in), out,
375 sizeof(out), MLX5_REG_MCIA, 0, 0);
379 status = MLX5_GET(mcia_reg, out, status);
381 mlx5_core_err(dev, "query_mcia_reg failed: status: 0x%x\n",
386 ptr = MLX5_ADDR_OF(mcia_reg, out, dword_0);
387 memcpy(data, ptr, size);
392 int mlx5_query_module_eeprom(struct mlx5_core_dev *dev,
393 u16 offset, u16 size, u8 *data)
395 struct mlx5_module_eeprom_query_params query = {0};
399 err = mlx5_query_module_num(dev, &query.module_number);
403 err = mlx5_query_module_id(dev, query.module_number, &module_id);
408 case MLX5_MODULE_ID_SFP:
409 mlx5_sfp_eeprom_params_set(&query.i2c_address, &query.page, &query.offset);
411 case MLX5_MODULE_ID_QSFP:
412 case MLX5_MODULE_ID_QSFP_PLUS:
413 case MLX5_MODULE_ID_QSFP28:
414 mlx5_qsfp_eeprom_params_set(&query.i2c_address, &query.page, &query.offset);
417 mlx5_core_err(dev, "Module ID not recognized: 0x%x\n", module_id);
421 if (query.offset + size > MLX5_EEPROM_PAGE_LENGTH)
422 /* Cross pages read, read until offset 256 in low page */
423 size -= offset + size - MLX5_EEPROM_PAGE_LENGTH;
427 return mlx5_query_mcia(dev, &query, data);
429 EXPORT_SYMBOL_GPL(mlx5_query_module_eeprom);
431 int mlx5_query_module_eeprom_by_page(struct mlx5_core_dev *dev,
432 struct mlx5_module_eeprom_query_params *params,
438 err = mlx5_query_module_num(dev, ¶ms->module_number);
442 err = mlx5_query_module_id(dev, params->module_number, &module_id);
447 case MLX5_MODULE_ID_SFP:
448 if (params->page > 0)
451 case MLX5_MODULE_ID_QSFP:
452 case MLX5_MODULE_ID_QSFP28:
453 case MLX5_MODULE_ID_QSFP_PLUS:
454 if (params->page > 3)
458 mlx5_core_err(dev, "Module ID not recognized: 0x%x\n", module_id);
462 if (params->i2c_address != MLX5_I2C_ADDR_HIGH &&
463 params->i2c_address != MLX5_I2C_ADDR_LOW) {
464 mlx5_core_err(dev, "I2C address not recognized: 0x%x\n", params->i2c_address);
468 return mlx5_query_mcia(dev, params, data);
470 EXPORT_SYMBOL_GPL(mlx5_query_module_eeprom_by_page);
472 static int mlx5_query_port_pvlc(struct mlx5_core_dev *dev, u32 *pvlc,
473 int pvlc_size, u8 local_port)
475 u32 in[MLX5_ST_SZ_DW(pvlc_reg)] = {0};
477 MLX5_SET(pvlc_reg, in, local_port, local_port);
478 return mlx5_core_access_reg(dev, in, sizeof(in), pvlc,
479 pvlc_size, MLX5_REG_PVLC, 0, 0);
482 int mlx5_query_port_vl_hw_cap(struct mlx5_core_dev *dev,
483 u8 *vl_hw_cap, u8 local_port)
485 u32 out[MLX5_ST_SZ_DW(pvlc_reg)];
488 err = mlx5_query_port_pvlc(dev, out, sizeof(out), local_port);
492 *vl_hw_cap = MLX5_GET(pvlc_reg, out, vl_hw_cap);
496 EXPORT_SYMBOL_GPL(mlx5_query_port_vl_hw_cap);
498 int mlx5_core_query_ib_ppcnt(struct mlx5_core_dev *dev,
499 u8 port_num, void *out, size_t sz)
504 in = kvzalloc(sz, GFP_KERNEL);
510 MLX5_SET(ppcnt_reg, in, local_port, port_num);
512 MLX5_SET(ppcnt_reg, in, grp, MLX5_INFINIBAND_PORT_COUNTERS_GROUP);
513 err = mlx5_core_access_reg(dev, in, sz, out,
514 sz, MLX5_REG_PPCNT, 0, 0);
519 EXPORT_SYMBOL_GPL(mlx5_core_query_ib_ppcnt);
521 static int mlx5_query_pfcc_reg(struct mlx5_core_dev *dev, u32 *out,
524 u32 in[MLX5_ST_SZ_DW(pfcc_reg)] = {0};
526 MLX5_SET(pfcc_reg, in, local_port, 1);
528 return mlx5_core_access_reg(dev, in, sizeof(in), out,
529 out_size, MLX5_REG_PFCC, 0, 0);
532 int mlx5_set_port_pause(struct mlx5_core_dev *dev, u32 rx_pause, u32 tx_pause)
534 u32 in[MLX5_ST_SZ_DW(pfcc_reg)] = {0};
535 u32 out[MLX5_ST_SZ_DW(pfcc_reg)];
537 MLX5_SET(pfcc_reg, in, local_port, 1);
538 MLX5_SET(pfcc_reg, in, pptx, tx_pause);
539 MLX5_SET(pfcc_reg, in, pprx, rx_pause);
541 return mlx5_core_access_reg(dev, in, sizeof(in), out,
542 sizeof(out), MLX5_REG_PFCC, 0, 1);
544 EXPORT_SYMBOL_GPL(mlx5_set_port_pause);
546 int mlx5_query_port_pause(struct mlx5_core_dev *dev,
547 u32 *rx_pause, u32 *tx_pause)
549 u32 out[MLX5_ST_SZ_DW(pfcc_reg)];
552 err = mlx5_query_pfcc_reg(dev, out, sizeof(out));
557 *rx_pause = MLX5_GET(pfcc_reg, out, pprx);
560 *tx_pause = MLX5_GET(pfcc_reg, out, pptx);
564 EXPORT_SYMBOL_GPL(mlx5_query_port_pause);
566 int mlx5_set_port_stall_watermark(struct mlx5_core_dev *dev,
567 u16 stall_critical_watermark,
568 u16 stall_minor_watermark)
570 u32 in[MLX5_ST_SZ_DW(pfcc_reg)] = {0};
571 u32 out[MLX5_ST_SZ_DW(pfcc_reg)];
573 MLX5_SET(pfcc_reg, in, local_port, 1);
574 MLX5_SET(pfcc_reg, in, pptx_mask_n, 1);
575 MLX5_SET(pfcc_reg, in, pprx_mask_n, 1);
576 MLX5_SET(pfcc_reg, in, ppan_mask_n, 1);
577 MLX5_SET(pfcc_reg, in, critical_stall_mask, 1);
578 MLX5_SET(pfcc_reg, in, minor_stall_mask, 1);
579 MLX5_SET(pfcc_reg, in, device_stall_critical_watermark,
580 stall_critical_watermark);
581 MLX5_SET(pfcc_reg, in, device_stall_minor_watermark, stall_minor_watermark);
583 return mlx5_core_access_reg(dev, in, sizeof(in), out,
584 sizeof(out), MLX5_REG_PFCC, 0, 1);
587 int mlx5_query_port_stall_watermark(struct mlx5_core_dev *dev,
588 u16 *stall_critical_watermark,
589 u16 *stall_minor_watermark)
591 u32 out[MLX5_ST_SZ_DW(pfcc_reg)];
594 err = mlx5_query_pfcc_reg(dev, out, sizeof(out));
598 if (stall_critical_watermark)
599 *stall_critical_watermark = MLX5_GET(pfcc_reg, out,
600 device_stall_critical_watermark);
602 if (stall_minor_watermark)
603 *stall_minor_watermark = MLX5_GET(pfcc_reg, out,
604 device_stall_minor_watermark);
609 int mlx5_set_port_pfc(struct mlx5_core_dev *dev, u8 pfc_en_tx, u8 pfc_en_rx)
611 u32 in[MLX5_ST_SZ_DW(pfcc_reg)] = {0};
612 u32 out[MLX5_ST_SZ_DW(pfcc_reg)];
614 MLX5_SET(pfcc_reg, in, local_port, 1);
615 MLX5_SET(pfcc_reg, in, pfctx, pfc_en_tx);
616 MLX5_SET(pfcc_reg, in, pfcrx, pfc_en_rx);
617 MLX5_SET_TO_ONES(pfcc_reg, in, prio_mask_tx);
618 MLX5_SET_TO_ONES(pfcc_reg, in, prio_mask_rx);
620 return mlx5_core_access_reg(dev, in, sizeof(in), out,
621 sizeof(out), MLX5_REG_PFCC, 0, 1);
623 EXPORT_SYMBOL_GPL(mlx5_set_port_pfc);
625 int mlx5_query_port_pfc(struct mlx5_core_dev *dev, u8 *pfc_en_tx, u8 *pfc_en_rx)
627 u32 out[MLX5_ST_SZ_DW(pfcc_reg)];
630 err = mlx5_query_pfcc_reg(dev, out, sizeof(out));
635 *pfc_en_tx = MLX5_GET(pfcc_reg, out, pfctx);
638 *pfc_en_rx = MLX5_GET(pfcc_reg, out, pfcrx);
642 EXPORT_SYMBOL_GPL(mlx5_query_port_pfc);
644 int mlx5_max_tc(struct mlx5_core_dev *mdev)
646 u8 num_tc = MLX5_CAP_GEN(mdev, max_tc) ? : 8;
651 int mlx5_query_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *out)
653 u32 in[MLX5_ST_SZ_DW(dcbx_param)] = {0};
655 MLX5_SET(dcbx_param, in, port_number, 1);
657 return mlx5_core_access_reg(mdev, in, sizeof(in), out,
658 sizeof(in), MLX5_REG_DCBX_PARAM, 0, 0);
661 int mlx5_set_port_dcbx_param(struct mlx5_core_dev *mdev, u32 *in)
663 u32 out[MLX5_ST_SZ_DW(dcbx_param)];
665 MLX5_SET(dcbx_param, in, port_number, 1);
667 return mlx5_core_access_reg(mdev, in, sizeof(out), out,
668 sizeof(out), MLX5_REG_DCBX_PARAM, 0, 1);
671 int mlx5_set_port_prio_tc(struct mlx5_core_dev *mdev, u8 *prio_tc)
673 u32 in[MLX5_ST_SZ_DW(qtct_reg)] = {0};
674 u32 out[MLX5_ST_SZ_DW(qtct_reg)];
678 for (i = 0; i < 8; i++) {
679 if (prio_tc[i] > mlx5_max_tc(mdev))
682 MLX5_SET(qtct_reg, in, prio, i);
683 MLX5_SET(qtct_reg, in, tclass, prio_tc[i]);
685 err = mlx5_core_access_reg(mdev, in, sizeof(in), out,
686 sizeof(out), MLX5_REG_QTCT, 0, 1);
693 EXPORT_SYMBOL_GPL(mlx5_set_port_prio_tc);
695 int mlx5_query_port_prio_tc(struct mlx5_core_dev *mdev,
698 u32 in[MLX5_ST_SZ_DW(qtct_reg)];
699 u32 out[MLX5_ST_SZ_DW(qtct_reg)];
702 memset(in, 0, sizeof(in));
703 memset(out, 0, sizeof(out));
705 MLX5_SET(qtct_reg, in, port_number, 1);
706 MLX5_SET(qtct_reg, in, prio, prio);
708 err = mlx5_core_access_reg(mdev, in, sizeof(in), out,
709 sizeof(out), MLX5_REG_QTCT, 0, 0);
711 *tc = MLX5_GET(qtct_reg, out, tclass);
715 EXPORT_SYMBOL_GPL(mlx5_query_port_prio_tc);
717 static int mlx5_set_port_qetcr_reg(struct mlx5_core_dev *mdev, u32 *in,
720 u32 out[MLX5_ST_SZ_DW(qetc_reg)];
722 if (!MLX5_CAP_GEN(mdev, ets))
725 return mlx5_core_access_reg(mdev, in, inlen, out, sizeof(out),
726 MLX5_REG_QETCR, 0, 1);
729 static int mlx5_query_port_qetcr_reg(struct mlx5_core_dev *mdev, u32 *out,
732 u32 in[MLX5_ST_SZ_DW(qetc_reg)];
734 if (!MLX5_CAP_GEN(mdev, ets))
737 memset(in, 0, sizeof(in));
738 return mlx5_core_access_reg(mdev, in, sizeof(in), out, outlen,
739 MLX5_REG_QETCR, 0, 0);
742 int mlx5_set_port_tc_group(struct mlx5_core_dev *mdev, u8 *tc_group)
744 u32 in[MLX5_ST_SZ_DW(qetc_reg)] = {0};
747 for (i = 0; i <= mlx5_max_tc(mdev); i++) {
748 MLX5_SET(qetc_reg, in, tc_configuration[i].g, 1);
749 MLX5_SET(qetc_reg, in, tc_configuration[i].group, tc_group[i]);
752 return mlx5_set_port_qetcr_reg(mdev, in, sizeof(in));
754 EXPORT_SYMBOL_GPL(mlx5_set_port_tc_group);
756 int mlx5_query_port_tc_group(struct mlx5_core_dev *mdev,
759 u32 out[MLX5_ST_SZ_DW(qetc_reg)];
763 err = mlx5_query_port_qetcr_reg(mdev, out, sizeof(out));
767 ets_tcn_conf = MLX5_ADDR_OF(qetc_reg, out,
768 tc_configuration[tc]);
770 *tc_group = MLX5_GET(ets_tcn_config_reg, ets_tcn_conf,
775 EXPORT_SYMBOL_GPL(mlx5_query_port_tc_group);
777 int mlx5_set_port_tc_bw_alloc(struct mlx5_core_dev *mdev, u8 *tc_bw)
779 u32 in[MLX5_ST_SZ_DW(qetc_reg)] = {0};
782 for (i = 0; i <= mlx5_max_tc(mdev); i++) {
783 MLX5_SET(qetc_reg, in, tc_configuration[i].b, 1);
784 MLX5_SET(qetc_reg, in, tc_configuration[i].bw_allocation, tc_bw[i]);
787 return mlx5_set_port_qetcr_reg(mdev, in, sizeof(in));
789 EXPORT_SYMBOL_GPL(mlx5_set_port_tc_bw_alloc);
791 int mlx5_query_port_tc_bw_alloc(struct mlx5_core_dev *mdev,
794 u32 out[MLX5_ST_SZ_DW(qetc_reg)];
798 err = mlx5_query_port_qetcr_reg(mdev, out, sizeof(out));
802 ets_tcn_conf = MLX5_ADDR_OF(qetc_reg, out,
803 tc_configuration[tc]);
805 *bw_pct = MLX5_GET(ets_tcn_config_reg, ets_tcn_conf,
810 EXPORT_SYMBOL_GPL(mlx5_query_port_tc_bw_alloc);
812 int mlx5_modify_port_ets_rate_limit(struct mlx5_core_dev *mdev,
816 u32 in[MLX5_ST_SZ_DW(qetc_reg)] = {0};
820 MLX5_SET(qetc_reg, in, port_number, 1);
822 for (i = 0; i <= mlx5_max_tc(mdev); i++) {
823 ets_tcn_conf = MLX5_ADDR_OF(qetc_reg, in, tc_configuration[i]);
825 MLX5_SET(ets_tcn_config_reg, ets_tcn_conf, r, 1);
826 MLX5_SET(ets_tcn_config_reg, ets_tcn_conf, max_bw_units,
828 MLX5_SET(ets_tcn_config_reg, ets_tcn_conf, max_bw_value,
832 return mlx5_set_port_qetcr_reg(mdev, in, sizeof(in));
834 EXPORT_SYMBOL_GPL(mlx5_modify_port_ets_rate_limit);
836 int mlx5_query_port_ets_rate_limit(struct mlx5_core_dev *mdev,
840 u32 out[MLX5_ST_SZ_DW(qetc_reg)];
845 err = mlx5_query_port_qetcr_reg(mdev, out, sizeof(out));
849 for (i = 0; i <= mlx5_max_tc(mdev); i++) {
850 ets_tcn_conf = MLX5_ADDR_OF(qetc_reg, out, tc_configuration[i]);
852 max_bw_value[i] = MLX5_GET(ets_tcn_config_reg, ets_tcn_conf,
854 max_bw_units[i] = MLX5_GET(ets_tcn_config_reg, ets_tcn_conf,
860 EXPORT_SYMBOL_GPL(mlx5_query_port_ets_rate_limit);
862 int mlx5_set_port_wol(struct mlx5_core_dev *mdev, u8 wol_mode)
864 u32 in[MLX5_ST_SZ_DW(set_wol_rol_in)] = {};
866 MLX5_SET(set_wol_rol_in, in, opcode, MLX5_CMD_OP_SET_WOL_ROL);
867 MLX5_SET(set_wol_rol_in, in, wol_mode_valid, 1);
868 MLX5_SET(set_wol_rol_in, in, wol_mode, wol_mode);
869 return mlx5_cmd_exec_in(mdev, set_wol_rol, in);
871 EXPORT_SYMBOL_GPL(mlx5_set_port_wol);
873 int mlx5_query_port_wol(struct mlx5_core_dev *mdev, u8 *wol_mode)
875 u32 out[MLX5_ST_SZ_DW(query_wol_rol_out)] = {};
876 u32 in[MLX5_ST_SZ_DW(query_wol_rol_in)] = {};
879 MLX5_SET(query_wol_rol_in, in, opcode, MLX5_CMD_OP_QUERY_WOL_ROL);
880 err = mlx5_cmd_exec_inout(mdev, query_wol_rol, in, out);
882 *wol_mode = MLX5_GET(query_wol_rol_out, out, wol_mode);
886 EXPORT_SYMBOL_GPL(mlx5_query_port_wol);
888 int mlx5_query_ports_check(struct mlx5_core_dev *mdev, u32 *out, int outlen)
890 u32 in[MLX5_ST_SZ_DW(pcmr_reg)] = {0};
892 MLX5_SET(pcmr_reg, in, local_port, 1);
893 return mlx5_core_access_reg(mdev, in, sizeof(in), out,
894 outlen, MLX5_REG_PCMR, 0, 0);
897 int mlx5_set_ports_check(struct mlx5_core_dev *mdev, u32 *in, int inlen)
899 u32 out[MLX5_ST_SZ_DW(pcmr_reg)];
901 return mlx5_core_access_reg(mdev, in, inlen, out,
902 sizeof(out), MLX5_REG_PCMR, 0, 1);
905 int mlx5_set_port_fcs(struct mlx5_core_dev *mdev, u8 enable)
907 u32 in[MLX5_ST_SZ_DW(pcmr_reg)] = {0};
910 err = mlx5_query_ports_check(mdev, in, sizeof(in));
913 MLX5_SET(pcmr_reg, in, local_port, 1);
914 MLX5_SET(pcmr_reg, in, fcs_chk, enable);
915 return mlx5_set_ports_check(mdev, in, sizeof(in));
918 void mlx5_query_port_fcs(struct mlx5_core_dev *mdev, bool *supported,
921 u32 out[MLX5_ST_SZ_DW(pcmr_reg)];
922 /* Default values for FW which do not support MLX5_REG_PCMR */
926 if (!MLX5_CAP_GEN(mdev, ports_check))
929 if (mlx5_query_ports_check(mdev, out, sizeof(out)))
932 *supported = !!(MLX5_GET(pcmr_reg, out, fcs_cap));
933 *enabled = !!(MLX5_GET(pcmr_reg, out, fcs_chk));
936 int mlx5_query_mtpps(struct mlx5_core_dev *mdev, u32 *mtpps, u32 mtpps_size)
938 u32 in[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
940 return mlx5_core_access_reg(mdev, in, sizeof(in), mtpps,
941 mtpps_size, MLX5_REG_MTPPS, 0, 0);
944 int mlx5_set_mtpps(struct mlx5_core_dev *mdev, u32 *mtpps, u32 mtpps_size)
946 u32 out[MLX5_ST_SZ_DW(mtpps_reg)] = {0};
948 return mlx5_core_access_reg(mdev, mtpps, mtpps_size, out,
949 sizeof(out), MLX5_REG_MTPPS, 0, 1);
952 int mlx5_query_mtppse(struct mlx5_core_dev *mdev, u8 pin, u8 *arm, u8 *mode)
954 u32 out[MLX5_ST_SZ_DW(mtppse_reg)] = {0};
955 u32 in[MLX5_ST_SZ_DW(mtppse_reg)] = {0};
958 MLX5_SET(mtppse_reg, in, pin, pin);
960 err = mlx5_core_access_reg(mdev, in, sizeof(in), out,
961 sizeof(out), MLX5_REG_MTPPSE, 0, 0);
965 *arm = MLX5_GET(mtppse_reg, in, event_arm);
966 *mode = MLX5_GET(mtppse_reg, in, event_generation_mode);
971 int mlx5_set_mtppse(struct mlx5_core_dev *mdev, u8 pin, u8 arm, u8 mode)
973 u32 out[MLX5_ST_SZ_DW(mtppse_reg)] = {0};
974 u32 in[MLX5_ST_SZ_DW(mtppse_reg)] = {0};
976 MLX5_SET(mtppse_reg, in, pin, pin);
977 MLX5_SET(mtppse_reg, in, event_arm, arm);
978 MLX5_SET(mtppse_reg, in, event_generation_mode, mode);
980 return mlx5_core_access_reg(mdev, in, sizeof(in), out,
981 sizeof(out), MLX5_REG_MTPPSE, 0, 1);
984 int mlx5_set_trust_state(struct mlx5_core_dev *mdev, u8 trust_state)
986 u32 out[MLX5_ST_SZ_DW(qpts_reg)] = {};
987 u32 in[MLX5_ST_SZ_DW(qpts_reg)] = {};
990 MLX5_SET(qpts_reg, in, local_port, 1);
991 MLX5_SET(qpts_reg, in, trust_state, trust_state);
993 err = mlx5_core_access_reg(mdev, in, sizeof(in), out,
994 sizeof(out), MLX5_REG_QPTS, 0, 1);
998 int mlx5_query_trust_state(struct mlx5_core_dev *mdev, u8 *trust_state)
1000 u32 out[MLX5_ST_SZ_DW(qpts_reg)] = {};
1001 u32 in[MLX5_ST_SZ_DW(qpts_reg)] = {};
1004 MLX5_SET(qpts_reg, in, local_port, 1);
1006 err = mlx5_core_access_reg(mdev, in, sizeof(in), out,
1007 sizeof(out), MLX5_REG_QPTS, 0, 0);
1009 *trust_state = MLX5_GET(qpts_reg, out, trust_state);
1014 int mlx5_set_dscp2prio(struct mlx5_core_dev *mdev, u8 dscp, u8 prio)
1016 int sz = MLX5_ST_SZ_BYTES(qpdpm_reg);
1022 in = kzalloc(sz, GFP_KERNEL);
1023 out = kzalloc(sz, GFP_KERNEL);
1029 MLX5_SET(qpdpm_reg, in, local_port, 1);
1030 err = mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_QPDPM, 0, 0);
1034 memcpy(in, out, sz);
1035 MLX5_SET(qpdpm_reg, in, local_port, 1);
1037 /* Update the corresponding dscp entry */
1038 qpdpm_dscp = MLX5_ADDR_OF(qpdpm_reg, in, dscp[dscp]);
1039 MLX5_SET16(qpdpm_dscp_reg, qpdpm_dscp, prio, prio);
1040 MLX5_SET16(qpdpm_dscp_reg, qpdpm_dscp, e, 1);
1041 err = mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_QPDPM, 0, 1);
1049 /* dscp2prio[i]: priority that dscp i mapped to */
1050 #define MLX5E_SUPPORTED_DSCP 64
1051 int mlx5_query_dscp2prio(struct mlx5_core_dev *mdev, u8 *dscp2prio)
1053 int sz = MLX5_ST_SZ_BYTES(qpdpm_reg);
1060 in = kzalloc(sz, GFP_KERNEL);
1061 out = kzalloc(sz, GFP_KERNEL);
1067 MLX5_SET(qpdpm_reg, in, local_port, 1);
1068 err = mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_QPDPM, 0, 0);
1072 for (i = 0; i < (MLX5E_SUPPORTED_DSCP); i++) {
1073 qpdpm_dscp = MLX5_ADDR_OF(qpdpm_reg, out, dscp[i]);
1074 dscp2prio[i] = MLX5_GET16(qpdpm_dscp_reg, qpdpm_dscp, prio);