Merge tag 'nfc-next-3.20-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo...
[linux-2.6-microblaze.git] / drivers / net / ethernet / chelsio / cxgb4 / cxgb4_debugfs.c
1 /*
2  * This file is part of the Chelsio T4 Ethernet driver for Linux.
3  *
4  * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  */
34
35 #include <linux/seq_file.h>
36 #include <linux/debugfs.h>
37 #include <linux/string_helpers.h>
38 #include <linux/sort.h>
39 #include <linux/ctype.h>
40
41 #include "cxgb4.h"
42 #include "t4_regs.h"
43 #include "t4fw_api.h"
44 #include "cxgb4_debugfs.h"
45 #include "clip_tbl.h"
46 #include "l2t.h"
47
48 /* generic seq_file support for showing a table of size rows x width. */
49 static void *seq_tab_get_idx(struct seq_tab *tb, loff_t pos)
50 {
51         pos -= tb->skip_first;
52         return pos >= tb->rows ? NULL : &tb->data[pos * tb->width];
53 }
54
55 static void *seq_tab_start(struct seq_file *seq, loff_t *pos)
56 {
57         struct seq_tab *tb = seq->private;
58
59         if (tb->skip_first && *pos == 0)
60                 return SEQ_START_TOKEN;
61
62         return seq_tab_get_idx(tb, *pos);
63 }
64
65 static void *seq_tab_next(struct seq_file *seq, void *v, loff_t *pos)
66 {
67         v = seq_tab_get_idx(seq->private, *pos + 1);
68         if (v)
69                 ++*pos;
70         return v;
71 }
72
73 static void seq_tab_stop(struct seq_file *seq, void *v)
74 {
75 }
76
77 static int seq_tab_show(struct seq_file *seq, void *v)
78 {
79         const struct seq_tab *tb = seq->private;
80
81         return tb->show(seq, v, ((char *)v - tb->data) / tb->width);
82 }
83
84 static const struct seq_operations seq_tab_ops = {
85         .start = seq_tab_start,
86         .next  = seq_tab_next,
87         .stop  = seq_tab_stop,
88         .show  = seq_tab_show
89 };
90
91 struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
92                              unsigned int width, unsigned int have_header,
93                              int (*show)(struct seq_file *seq, void *v, int i))
94 {
95         struct seq_tab *p;
96
97         p = __seq_open_private(f, &seq_tab_ops, sizeof(*p) + rows * width);
98         if (p) {
99                 p->show = show;
100                 p->rows = rows;
101                 p->width = width;
102                 p->skip_first = have_header != 0;
103         }
104         return p;
105 }
106
107 /* Trim the size of a seq_tab to the supplied number of rows.  The operation is
108  * irreversible.
109  */
110 static int seq_tab_trim(struct seq_tab *p, unsigned int new_rows)
111 {
112         if (new_rows > p->rows)
113                 return -EINVAL;
114         p->rows = new_rows;
115         return 0;
116 }
117
118 static int cim_la_show(struct seq_file *seq, void *v, int idx)
119 {
120         if (v == SEQ_START_TOKEN)
121                 seq_puts(seq, "Status   Data      PC     LS0Stat  LS0Addr "
122                          "            LS0Data\n");
123         else {
124                 const u32 *p = v;
125
126                 seq_printf(seq,
127                            "  %02x  %x%07x %x%07x %08x %08x %08x%08x%08x%08x\n",
128                            (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
129                            p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
130                            p[6], p[7]);
131         }
132         return 0;
133 }
134
135 static int cim_la_show_3in1(struct seq_file *seq, void *v, int idx)
136 {
137         if (v == SEQ_START_TOKEN) {
138                 seq_puts(seq, "Status   Data      PC\n");
139         } else {
140                 const u32 *p = v;
141
142                 seq_printf(seq, "  %02x   %08x %08x\n", p[5] & 0xff, p[6],
143                            p[7]);
144                 seq_printf(seq, "  %02x   %02x%06x %02x%06x\n",
145                            (p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
146                            p[4] & 0xff, p[5] >> 8);
147                 seq_printf(seq, "  %02x   %x%07x %x%07x\n", (p[0] >> 4) & 0xff,
148                            p[0] & 0xf, p[1] >> 4, p[1] & 0xf, p[2] >> 4);
149         }
150         return 0;
151 }
152
153 static int cim_la_open(struct inode *inode, struct file *file)
154 {
155         int ret;
156         unsigned int cfg;
157         struct seq_tab *p;
158         struct adapter *adap = inode->i_private;
159
160         ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
161         if (ret)
162                 return ret;
163
164         p = seq_open_tab(file, adap->params.cim_la_size / 8, 8 * sizeof(u32), 1,
165                          cfg & UPDBGLACAPTPCONLY_F ?
166                          cim_la_show_3in1 : cim_la_show);
167         if (!p)
168                 return -ENOMEM;
169
170         ret = t4_cim_read_la(adap, (u32 *)p->data, NULL);
171         if (ret)
172                 seq_release_private(inode, file);
173         return ret;
174 }
175
176 static const struct file_operations cim_la_fops = {
177         .owner   = THIS_MODULE,
178         .open    = cim_la_open,
179         .read    = seq_read,
180         .llseek  = seq_lseek,
181         .release = seq_release_private
182 };
183
184 static int cim_qcfg_show(struct seq_file *seq, void *v)
185 {
186         static const char * const qname[] = {
187                 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
188                 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
189                 "SGE0-RX", "SGE1-RX"
190         };
191
192         int i;
193         struct adapter *adap = seq->private;
194         u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
195         u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
196         u32 stat[(4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5))];
197         u16 thres[CIM_NUM_IBQ];
198         u32 obq_wr_t4[2 * CIM_NUM_OBQ], *wr;
199         u32 obq_wr_t5[2 * CIM_NUM_OBQ_T5];
200         u32 *p = stat;
201         int cim_num_obq = is_t4(adap->params.chip) ?
202                                 CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
203
204         i = t4_cim_read(adap, is_t4(adap->params.chip) ? UP_IBQ_0_RDADDR_A :
205                         UP_IBQ_0_SHADOW_RDADDR_A,
206                         ARRAY_SIZE(stat), stat);
207         if (!i) {
208                 if (is_t4(adap->params.chip)) {
209                         i = t4_cim_read(adap, UP_OBQ_0_REALADDR_A,
210                                         ARRAY_SIZE(obq_wr_t4), obq_wr_t4);
211                                 wr = obq_wr_t4;
212                 } else {
213                         i = t4_cim_read(adap, UP_OBQ_0_SHADOW_REALADDR_A,
214                                         ARRAY_SIZE(obq_wr_t5), obq_wr_t5);
215                                 wr = obq_wr_t5;
216                 }
217         }
218         if (i)
219                 return i;
220
221         t4_read_cimq_cfg(adap, base, size, thres);
222
223         seq_printf(seq,
224                    "  Queue  Base  Size Thres  RdPtr WrPtr  SOP  EOP Avail\n");
225         for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
226                 seq_printf(seq, "%7s %5x %5u %5u %6x  %4x %4u %4u %5u\n",
227                            qname[i], base[i], size[i], thres[i],
228                            IBQRDADDR_G(p[0]), IBQWRADDR_G(p[1]),
229                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
230                            QUEREMFLITS_G(p[2]) * 16);
231         for ( ; i < CIM_NUM_IBQ + cim_num_obq; i++, p += 4, wr += 2)
232                 seq_printf(seq, "%7s %5x %5u %12x  %4x %4u %4u %5u\n",
233                            qname[i], base[i], size[i],
234                            QUERDADDR_G(p[0]) & 0x3fff, wr[0] - base[i],
235                            QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
236                            QUEREMFLITS_G(p[2]) * 16);
237         return 0;
238 }
239
240 static int cim_qcfg_open(struct inode *inode, struct file *file)
241 {
242         return single_open(file, cim_qcfg_show, inode->i_private);
243 }
244
245 static const struct file_operations cim_qcfg_fops = {
246         .owner   = THIS_MODULE,
247         .open    = cim_qcfg_open,
248         .read    = seq_read,
249         .llseek  = seq_lseek,
250         .release = single_release,
251 };
252
253 static int cimq_show(struct seq_file *seq, void *v, int idx)
254 {
255         const u32 *p = v;
256
257         seq_printf(seq, "%#06x: %08x %08x %08x %08x\n", idx * 16, p[0], p[1],
258                    p[2], p[3]);
259         return 0;
260 }
261
262 static int cim_ibq_open(struct inode *inode, struct file *file)
263 {
264         int ret;
265         struct seq_tab *p;
266         unsigned int qid = (uintptr_t)inode->i_private & 7;
267         struct adapter *adap = inode->i_private - qid;
268
269         p = seq_open_tab(file, CIM_IBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
270         if (!p)
271                 return -ENOMEM;
272
273         ret = t4_read_cim_ibq(adap, qid, (u32 *)p->data, CIM_IBQ_SIZE * 4);
274         if (ret < 0)
275                 seq_release_private(inode, file);
276         else
277                 ret = 0;
278         return ret;
279 }
280
281 static const struct file_operations cim_ibq_fops = {
282         .owner   = THIS_MODULE,
283         .open    = cim_ibq_open,
284         .read    = seq_read,
285         .llseek  = seq_lseek,
286         .release = seq_release_private
287 };
288
289 static int cim_obq_open(struct inode *inode, struct file *file)
290 {
291         int ret;
292         struct seq_tab *p;
293         unsigned int qid = (uintptr_t)inode->i_private & 7;
294         struct adapter *adap = inode->i_private - qid;
295
296         p = seq_open_tab(file, 6 * CIM_OBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
297         if (!p)
298                 return -ENOMEM;
299
300         ret = t4_read_cim_obq(adap, qid, (u32 *)p->data, 6 * CIM_OBQ_SIZE * 4);
301         if (ret < 0) {
302                 seq_release_private(inode, file);
303         } else {
304                 seq_tab_trim(p, ret / 4);
305                 ret = 0;
306         }
307         return ret;
308 }
309
310 static const struct file_operations cim_obq_fops = {
311         .owner   = THIS_MODULE,
312         .open    = cim_obq_open,
313         .read    = seq_read,
314         .llseek  = seq_lseek,
315         .release = seq_release_private
316 };
317
318 /* Show the PM memory stats.  These stats include:
319  *
320  * TX:
321  *   Read: memory read operation
322  *   Write Bypass: cut-through
323  *   Bypass + mem: cut-through and save copy
324  *
325  * RX:
326  *   Read: memory read
327  *   Write Bypass: cut-through
328  *   Flush: payload trim or drop
329  */
330 static int pm_stats_show(struct seq_file *seq, void *v)
331 {
332         static const char * const tx_pm_stats[] = {
333                 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
334         };
335         static const char * const rx_pm_stats[] = {
336                 "Read:", "Write bypass:", "Write mem:", "Flush:"
337         };
338
339         int i;
340         u32 tx_cnt[PM_NSTATS], rx_cnt[PM_NSTATS];
341         u64 tx_cyc[PM_NSTATS], rx_cyc[PM_NSTATS];
342         struct adapter *adap = seq->private;
343
344         t4_pmtx_get_stats(adap, tx_cnt, tx_cyc);
345         t4_pmrx_get_stats(adap, rx_cnt, rx_cyc);
346
347         seq_printf(seq, "%13s %10s  %20s\n", " ", "Tx pcmds", "Tx bytes");
348         for (i = 0; i < PM_NSTATS - 1; i++)
349                 seq_printf(seq, "%-13s %10u  %20llu\n",
350                            tx_pm_stats[i], tx_cnt[i], tx_cyc[i]);
351
352         seq_printf(seq, "%13s %10s  %20s\n", " ", "Rx pcmds", "Rx bytes");
353         for (i = 0; i < PM_NSTATS - 1; i++)
354                 seq_printf(seq, "%-13s %10u  %20llu\n",
355                            rx_pm_stats[i], rx_cnt[i], rx_cyc[i]);
356         return 0;
357 }
358
359 static int pm_stats_open(struct inode *inode, struct file *file)
360 {
361         return single_open(file, pm_stats_show, inode->i_private);
362 }
363
364 static ssize_t pm_stats_clear(struct file *file, const char __user *buf,
365                               size_t count, loff_t *pos)
366 {
367         struct adapter *adap = FILE_DATA(file)->i_private;
368
369         t4_write_reg(adap, PM_RX_STAT_CONFIG_A, 0);
370         t4_write_reg(adap, PM_TX_STAT_CONFIG_A, 0);
371         return count;
372 }
373
374 static const struct file_operations pm_stats_debugfs_fops = {
375         .owner   = THIS_MODULE,
376         .open    = pm_stats_open,
377         .read    = seq_read,
378         .llseek  = seq_lseek,
379         .release = single_release,
380         .write   = pm_stats_clear
381 };
382
383 /* Format a value in a unit that differs from the value's native unit by the
384  * given factor.
385  */
386 static char *unit_conv(char *buf, size_t len, unsigned int val,
387                        unsigned int factor)
388 {
389         unsigned int rem = val % factor;
390
391         if (rem == 0) {
392                 snprintf(buf, len, "%u", val / factor);
393         } else {
394                 while (rem % 10 == 0)
395                         rem /= 10;
396                 snprintf(buf, len, "%u.%u", val / factor, rem);
397         }
398         return buf;
399 }
400
401 static int clk_show(struct seq_file *seq, void *v)
402 {
403         char buf[32];
404         struct adapter *adap = seq->private;
405         unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk;  /* in ps */
406         u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
407         unsigned int tre = TIMERRESOLUTION_G(res);
408         unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
409         unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
410
411         seq_printf(seq, "Core clock period: %s ns\n",
412                    unit_conv(buf, sizeof(buf), cclk_ps, 1000));
413         seq_printf(seq, "TP timer tick: %s us\n",
414                    unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
415         seq_printf(seq, "TCP timestamp tick: %s us\n",
416                    unit_conv(buf, sizeof(buf),
417                              (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
418         seq_printf(seq, "DACK tick: %s us\n",
419                    unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
420         seq_printf(seq, "DACK timer: %u us\n",
421                    ((cclk_ps << dack_re) / 1000000) *
422                    t4_read_reg(adap, TP_DACK_TIMER_A));
423         seq_printf(seq, "Retransmit min: %llu us\n",
424                    tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
425         seq_printf(seq, "Retransmit max: %llu us\n",
426                    tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
427         seq_printf(seq, "Persist timer min: %llu us\n",
428                    tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
429         seq_printf(seq, "Persist timer max: %llu us\n",
430                    tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
431         seq_printf(seq, "Keepalive idle timer: %llu us\n",
432                    tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
433         seq_printf(seq, "Keepalive interval: %llu us\n",
434                    tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
435         seq_printf(seq, "Initial SRTT: %llu us\n",
436                    tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
437         seq_printf(seq, "FINWAIT2 timer: %llu us\n",
438                    tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
439
440         return 0;
441 }
442
443 DEFINE_SIMPLE_DEBUGFS_FILE(clk);
444
445 /* Firmware Device Log dump. */
446 static const char * const devlog_level_strings[] = {
447         [FW_DEVLOG_LEVEL_EMERG]         = "EMERG",
448         [FW_DEVLOG_LEVEL_CRIT]          = "CRIT",
449         [FW_DEVLOG_LEVEL_ERR]           = "ERR",
450         [FW_DEVLOG_LEVEL_NOTICE]        = "NOTICE",
451         [FW_DEVLOG_LEVEL_INFO]          = "INFO",
452         [FW_DEVLOG_LEVEL_DEBUG]         = "DEBUG"
453 };
454
455 static const char * const devlog_facility_strings[] = {
456         [FW_DEVLOG_FACILITY_CORE]       = "CORE",
457         [FW_DEVLOG_FACILITY_SCHED]      = "SCHED",
458         [FW_DEVLOG_FACILITY_TIMER]      = "TIMER",
459         [FW_DEVLOG_FACILITY_RES]        = "RES",
460         [FW_DEVLOG_FACILITY_HW]         = "HW",
461         [FW_DEVLOG_FACILITY_FLR]        = "FLR",
462         [FW_DEVLOG_FACILITY_DMAQ]       = "DMAQ",
463         [FW_DEVLOG_FACILITY_PHY]        = "PHY",
464         [FW_DEVLOG_FACILITY_MAC]        = "MAC",
465         [FW_DEVLOG_FACILITY_PORT]       = "PORT",
466         [FW_DEVLOG_FACILITY_VI]         = "VI",
467         [FW_DEVLOG_FACILITY_FILTER]     = "FILTER",
468         [FW_DEVLOG_FACILITY_ACL]        = "ACL",
469         [FW_DEVLOG_FACILITY_TM]         = "TM",
470         [FW_DEVLOG_FACILITY_QFC]        = "QFC",
471         [FW_DEVLOG_FACILITY_DCB]        = "DCB",
472         [FW_DEVLOG_FACILITY_ETH]        = "ETH",
473         [FW_DEVLOG_FACILITY_OFLD]       = "OFLD",
474         [FW_DEVLOG_FACILITY_RI]         = "RI",
475         [FW_DEVLOG_FACILITY_ISCSI]      = "ISCSI",
476         [FW_DEVLOG_FACILITY_FCOE]       = "FCOE",
477         [FW_DEVLOG_FACILITY_FOISCSI]    = "FOISCSI",
478         [FW_DEVLOG_FACILITY_FOFCOE]     = "FOFCOE"
479 };
480
481 /* Information gathered by Device Log Open routine for the display routine.
482  */
483 struct devlog_info {
484         unsigned int nentries;          /* number of entries in log[] */
485         unsigned int first;             /* first [temporal] entry in log[] */
486         struct fw_devlog_e log[0];      /* Firmware Device Log */
487 };
488
489 /* Dump a Firmaware Device Log entry.
490  */
491 static int devlog_show(struct seq_file *seq, void *v)
492 {
493         if (v == SEQ_START_TOKEN)
494                 seq_printf(seq, "%10s  %15s  %8s  %8s  %s\n",
495                            "Seq#", "Tstamp", "Level", "Facility", "Message");
496         else {
497                 struct devlog_info *dinfo = seq->private;
498                 int fidx = (uintptr_t)v - 2;
499                 unsigned long index;
500                 struct fw_devlog_e *e;
501
502                 /* Get a pointer to the log entry to display.  Skip unused log
503                  * entries.
504                  */
505                 index = dinfo->first + fidx;
506                 if (index >= dinfo->nentries)
507                         index -= dinfo->nentries;
508                 e = &dinfo->log[index];
509                 if (e->timestamp == 0)
510                         return 0;
511
512                 /* Print the message.  This depends on the firmware using
513                  * exactly the same formating strings as the kernel so we may
514                  * eventually have to put a format interpreter in here ...
515                  */
516                 seq_printf(seq, "%10d  %15llu  %8s  %8s  ",
517                            e->seqno, e->timestamp,
518                            (e->level < ARRAY_SIZE(devlog_level_strings)
519                             ? devlog_level_strings[e->level]
520                             : "UNKNOWN"),
521                            (e->facility < ARRAY_SIZE(devlog_facility_strings)
522                             ? devlog_facility_strings[e->facility]
523                             : "UNKNOWN"));
524                 seq_printf(seq, e->fmt, e->params[0], e->params[1],
525                            e->params[2], e->params[3], e->params[4],
526                            e->params[5], e->params[6], e->params[7]);
527         }
528         return 0;
529 }
530
531 /* Sequential File Operations for Device Log.
532  */
533 static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
534 {
535         if (pos > dinfo->nentries)
536                 return NULL;
537
538         return (void *)(uintptr_t)(pos + 1);
539 }
540
541 static void *devlog_start(struct seq_file *seq, loff_t *pos)
542 {
543         struct devlog_info *dinfo = seq->private;
544
545         return (*pos
546                 ? devlog_get_idx(dinfo, *pos)
547                 : SEQ_START_TOKEN);
548 }
549
550 static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
551 {
552         struct devlog_info *dinfo = seq->private;
553
554         (*pos)++;
555         return devlog_get_idx(dinfo, *pos);
556 }
557
558 static void devlog_stop(struct seq_file *seq, void *v)
559 {
560 }
561
562 static const struct seq_operations devlog_seq_ops = {
563         .start = devlog_start,
564         .next  = devlog_next,
565         .stop  = devlog_stop,
566         .show  = devlog_show
567 };
568
569 /* Set up for reading the firmware's device log.  We read the entire log here
570  * and then display it incrementally in devlog_show().
571  */
572 static int devlog_open(struct inode *inode, struct file *file)
573 {
574         struct adapter *adap = inode->i_private;
575         struct devlog_params *dparams = &adap->params.devlog;
576         struct devlog_info *dinfo;
577         unsigned int index;
578         u32 fseqno;
579         int ret;
580
581         /* If we don't know where the log is we can't do anything.
582          */
583         if (dparams->start == 0)
584                 return -ENXIO;
585
586         /* Allocate the space to read in the firmware's device log and set up
587          * for the iterated call to our display function.
588          */
589         dinfo = __seq_open_private(file, &devlog_seq_ops,
590                                    sizeof(*dinfo) + dparams->size);
591         if (!dinfo)
592                 return -ENOMEM;
593
594         /* Record the basic log buffer information and read in the raw log.
595          */
596         dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
597         dinfo->first = 0;
598         spin_lock(&adap->win0_lock);
599         ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
600                            dparams->start, dparams->size, (__be32 *)dinfo->log,
601                            T4_MEMORY_READ);
602         spin_unlock(&adap->win0_lock);
603         if (ret) {
604                 seq_release_private(inode, file);
605                 return ret;
606         }
607
608         /* Translate log multi-byte integral elements into host native format
609          * and determine where the first entry in the log is.
610          */
611         for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
612                 struct fw_devlog_e *e = &dinfo->log[index];
613                 int i;
614                 __u32 seqno;
615
616                 if (e->timestamp == 0)
617                         continue;
618
619                 e->timestamp = (__force __be64)be64_to_cpu(e->timestamp);
620                 seqno = be32_to_cpu(e->seqno);
621                 for (i = 0; i < 8; i++)
622                         e->params[i] =
623                                 (__force __be32)be32_to_cpu(e->params[i]);
624
625                 if (seqno < fseqno) {
626                         fseqno = seqno;
627                         dinfo->first = index;
628                 }
629         }
630         return 0;
631 }
632
633 static const struct file_operations devlog_fops = {
634         .owner   = THIS_MODULE,
635         .open    = devlog_open,
636         .read    = seq_read,
637         .llseek  = seq_lseek,
638         .release = seq_release_private
639 };
640
641 static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
642                           loff_t *ppos)
643 {
644         loff_t pos = *ppos;
645         loff_t avail = FILE_DATA(file)->i_size;
646         struct adapter *adap = file->private_data;
647
648         if (pos < 0)
649                 return -EINVAL;
650         if (pos >= avail)
651                 return 0;
652         if (count > avail - pos)
653                 count = avail - pos;
654
655         while (count) {
656                 size_t len;
657                 int ret, ofst;
658                 u8 data[256];
659
660                 ofst = pos & 3;
661                 len = min(count + ofst, sizeof(data));
662                 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
663                                     (u32 *)data, 1);
664                 if (ret)
665                         return ret;
666
667                 len -= ofst;
668                 if (copy_to_user(buf, data + ofst, len))
669                         return -EFAULT;
670
671                 buf += len;
672                 pos += len;
673                 count -= len;
674         }
675         count = pos - *ppos;
676         *ppos = pos;
677         return count;
678 }
679
680 static const struct file_operations flash_debugfs_fops = {
681         .owner   = THIS_MODULE,
682         .open    = mem_open,
683         .read    = flash_read,
684 };
685
686 static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
687 {
688         *mask = x | y;
689         y = (__force u64)cpu_to_be64(y);
690         memcpy(addr, (char *)&y + 2, ETH_ALEN);
691 }
692
693 static int mps_tcam_show(struct seq_file *seq, void *v)
694 {
695         if (v == SEQ_START_TOKEN)
696                 seq_puts(seq, "Idx  Ethernet address     Mask     Vld Ports PF"
697                          "  VF              Replication             "
698                          "P0 P1 P2 P3  ML\n");
699         else {
700                 u64 mask;
701                 u8 addr[ETH_ALEN];
702                 struct adapter *adap = seq->private;
703                 unsigned int idx = (uintptr_t)v - 2;
704                 u64 tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
705                 u64 tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
706                 u32 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
707                 u32 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
708                 u32 rplc[4] = {0, 0, 0, 0};
709
710                 if (tcamx & tcamy) {
711                         seq_printf(seq, "%3u         -\n", idx);
712                         goto out;
713                 }
714
715                 if (cls_lo & REPLICATE_F) {
716                         struct fw_ldst_cmd ldst_cmd;
717                         int ret;
718
719                         memset(&ldst_cmd, 0, sizeof(ldst_cmd));
720                         ldst_cmd.op_to_addrspace =
721                                 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
722                                       FW_CMD_REQUEST_F |
723                                       FW_CMD_READ_F |
724                                       FW_LDST_CMD_ADDRSPACE_V(
725                                               FW_LDST_ADDRSPC_MPS));
726                         ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
727                         ldst_cmd.u.mps.fid_ctl =
728                                 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
729                                       FW_LDST_CMD_CTL_V(idx));
730                         ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
731                                          sizeof(ldst_cmd), &ldst_cmd);
732                         if (ret)
733                                 dev_warn(adap->pdev_dev, "Can't read MPS "
734                                          "replication map for idx %d: %d\n",
735                                          idx, -ret);
736                         else {
737                                 rplc[0] = ntohl(ldst_cmd.u.mps.rplc31_0);
738                                 rplc[1] = ntohl(ldst_cmd.u.mps.rplc63_32);
739                                 rplc[2] = ntohl(ldst_cmd.u.mps.rplc95_64);
740                                 rplc[3] = ntohl(ldst_cmd.u.mps.rplc127_96);
741                         }
742                 }
743
744                 tcamxy2valmask(tcamx, tcamy, addr, &mask);
745                 seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x %012llx"
746                            "%3c   %#x%4u%4d",
747                            idx, addr[0], addr[1], addr[2], addr[3], addr[4],
748                            addr[5], (unsigned long long)mask,
749                            (cls_lo & SRAM_VLD_F) ? 'Y' : 'N', PORTMAP_G(cls_hi),
750                            PF_G(cls_lo),
751                            (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
752                 if (cls_lo & REPLICATE_F)
753                         seq_printf(seq, " %08x %08x %08x %08x",
754                                    rplc[3], rplc[2], rplc[1], rplc[0]);
755                 else
756                         seq_printf(seq, "%36c", ' ');
757                 seq_printf(seq, "%4u%3u%3u%3u %#x\n",
758                            SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
759                            SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
760                            (cls_lo >> MULTILISTEN0_S) & 0xf);
761         }
762 out:    return 0;
763 }
764
765 static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
766 {
767         struct adapter *adap = seq->private;
768         int max_mac_addr = is_t4(adap->params.chip) ?
769                                 NUM_MPS_CLS_SRAM_L_INSTANCES :
770                                 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
771         return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
772 }
773
774 static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
775 {
776         return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
777 }
778
779 static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
780 {
781         ++*pos;
782         return mps_tcam_get_idx(seq, *pos);
783 }
784
785 static void mps_tcam_stop(struct seq_file *seq, void *v)
786 {
787 }
788
789 static const struct seq_operations mps_tcam_seq_ops = {
790         .start = mps_tcam_start,
791         .next  = mps_tcam_next,
792         .stop  = mps_tcam_stop,
793         .show  = mps_tcam_show
794 };
795
796 static int mps_tcam_open(struct inode *inode, struct file *file)
797 {
798         int res = seq_open(file, &mps_tcam_seq_ops);
799
800         if (!res) {
801                 struct seq_file *seq = file->private_data;
802
803                 seq->private = inode->i_private;
804         }
805         return res;
806 }
807
808 static const struct file_operations mps_tcam_debugfs_fops = {
809         .owner   = THIS_MODULE,
810         .open    = mps_tcam_open,
811         .read    = seq_read,
812         .llseek  = seq_lseek,
813         .release = seq_release,
814 };
815
816 #if IS_ENABLED(CONFIG_IPV6)
817 static int clip_tbl_open(struct inode *inode, struct file *file)
818 {
819         return single_open(file, clip_tbl_show, PDE_DATA(inode));
820 }
821
822 static const struct file_operations clip_tbl_debugfs_fops = {
823         .owner   = THIS_MODULE,
824         .open    = clip_tbl_open,
825         .read    = seq_read,
826         .llseek  = seq_lseek,
827         .release = single_release
828 };
829 #endif
830
831 /*RSS Table.
832  */
833
834 static int rss_show(struct seq_file *seq, void *v, int idx)
835 {
836         u16 *entry = v;
837
838         seq_printf(seq, "%4d:  %4u  %4u  %4u  %4u  %4u  %4u  %4u  %4u\n",
839                    idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
840                    entry[5], entry[6], entry[7]);
841         return 0;
842 }
843
844 static int rss_open(struct inode *inode, struct file *file)
845 {
846         int ret;
847         struct seq_tab *p;
848         struct adapter *adap = inode->i_private;
849
850         p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
851         if (!p)
852                 return -ENOMEM;
853
854         ret = t4_read_rss(adap, (u16 *)p->data);
855         if (ret)
856                 seq_release_private(inode, file);
857
858         return ret;
859 }
860
861 static const struct file_operations rss_debugfs_fops = {
862         .owner   = THIS_MODULE,
863         .open    = rss_open,
864         .read    = seq_read,
865         .llseek  = seq_lseek,
866         .release = seq_release_private
867 };
868
869 /* RSS Configuration.
870  */
871
872 /* Small utility function to return the strings "yes" or "no" if the supplied
873  * argument is non-zero.
874  */
875 static const char *yesno(int x)
876 {
877         static const char *yes = "yes";
878         static const char *no = "no";
879
880         return x ? yes : no;
881 }
882
883 static int rss_config_show(struct seq_file *seq, void *v)
884 {
885         struct adapter *adapter = seq->private;
886         static const char * const keymode[] = {
887                 "global",
888                 "global and per-VF scramble",
889                 "per-PF and per-VF scramble",
890                 "per-VF and per-VF scramble",
891         };
892         u32 rssconf;
893
894         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
895         seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
896         seq_printf(seq, "  Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
897                                                         TNL4TUPENIPV6_F));
898         seq_printf(seq, "  Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
899                                                         TNL2TUPENIPV6_F));
900         seq_printf(seq, "  Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
901                                                         TNL4TUPENIPV4_F));
902         seq_printf(seq, "  Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
903                                                         TNL2TUPENIPV4_F));
904         seq_printf(seq, "  TnlTcpSel:     %3s\n", yesno(rssconf & TNLTCPSEL_F));
905         seq_printf(seq, "  TnlIp6Sel:     %3s\n", yesno(rssconf & TNLIP6SEL_F));
906         seq_printf(seq, "  TnlVrtSel:     %3s\n", yesno(rssconf & TNLVRTSEL_F));
907         seq_printf(seq, "  TnlMapEn:      %3s\n", yesno(rssconf & TNLMAPEN_F));
908         seq_printf(seq, "  OfdHashSave:   %3s\n", yesno(rssconf &
909                                                         OFDHASHSAVE_F));
910         seq_printf(seq, "  OfdVrtSel:     %3s\n", yesno(rssconf & OFDVRTSEL_F));
911         seq_printf(seq, "  OfdMapEn:      %3s\n", yesno(rssconf & OFDMAPEN_F));
912         seq_printf(seq, "  OfdLkpEn:      %3s\n", yesno(rssconf & OFDLKPEN_F));
913         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
914                                                         SYN4TUPENIPV6_F));
915         seq_printf(seq, "  Syn2TupEnIpv6: %3s\n", yesno(rssconf &
916                                                         SYN2TUPENIPV6_F));
917         seq_printf(seq, "  Syn4TupEnIpv4: %3s\n", yesno(rssconf &
918                                                         SYN4TUPENIPV4_F));
919         seq_printf(seq, "  Syn2TupEnIpv4: %3s\n", yesno(rssconf &
920                                                         SYN2TUPENIPV4_F));
921         seq_printf(seq, "  Syn4TupEnIpv6: %3s\n", yesno(rssconf &
922                                                         SYN4TUPENIPV6_F));
923         seq_printf(seq, "  SynIp6Sel:     %3s\n", yesno(rssconf & SYNIP6SEL_F));
924         seq_printf(seq, "  SynVrt6Sel:    %3s\n", yesno(rssconf & SYNVRTSEL_F));
925         seq_printf(seq, "  SynMapEn:      %3s\n", yesno(rssconf & SYNMAPEN_F));
926         seq_printf(seq, "  SynLkpEn:      %3s\n", yesno(rssconf & SYNLKPEN_F));
927         seq_printf(seq, "  ChnEn:         %3s\n", yesno(rssconf &
928                                                         CHANNELENABLE_F));
929         seq_printf(seq, "  PrtEn:         %3s\n", yesno(rssconf &
930                                                         PORTENABLE_F));
931         seq_printf(seq, "  TnlAllLkp:     %3s\n", yesno(rssconf &
932                                                         TNLALLLOOKUP_F));
933         seq_printf(seq, "  VrtEn:         %3s\n", yesno(rssconf &
934                                                         VIRTENABLE_F));
935         seq_printf(seq, "  CngEn:         %3s\n", yesno(rssconf &
936                                                         CONGESTIONENABLE_F));
937         seq_printf(seq, "  HashToeplitz:  %3s\n", yesno(rssconf &
938                                                         HASHTOEPLITZ_F));
939         seq_printf(seq, "  Udp4En:        %3s\n", yesno(rssconf & UDPENABLE_F));
940         seq_printf(seq, "  Disable:       %3s\n", yesno(rssconf & DISABLE_F));
941
942         seq_puts(seq, "\n");
943
944         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
945         seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
946         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
947         seq_printf(seq, "  MaskFilter:    %3d\n", MASKFILTER_G(rssconf));
948         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
949                 seq_printf(seq, "  HashAll:     %3s\n",
950                            yesno(rssconf & HASHALL_F));
951                 seq_printf(seq, "  HashEth:     %3s\n",
952                            yesno(rssconf & HASHETH_F));
953         }
954         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
955
956         seq_puts(seq, "\n");
957
958         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
959         seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
960         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
961         seq_printf(seq, "  RRCplMapEn:    %3s\n", yesno(rssconf &
962                                                         RRCPLMAPEN_F));
963         seq_printf(seq, "  RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
964
965         seq_puts(seq, "\n");
966
967         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
968         seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
969         seq_printf(seq, "  MaskSize:      %3d\n", MASKSIZE_G(rssconf));
970         seq_printf(seq, "  UseWireCh:     %3s\n", yesno(rssconf & USEWIRECH_F));
971
972         seq_puts(seq, "\n");
973
974         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
975         seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
976         if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
977                 seq_printf(seq, "  KeyWrAddrX:     %3d\n",
978                            KEYWRADDRX_G(rssconf));
979                 seq_printf(seq, "  KeyExtend:      %3s\n",
980                            yesno(rssconf & KEYEXTEND_F));
981         }
982         seq_printf(seq, "  VfRdRg:        %3s\n", yesno(rssconf & VFRDRG_F));
983         seq_printf(seq, "  VfRdEn:        %3s\n", yesno(rssconf & VFRDEN_F));
984         seq_printf(seq, "  VfPerrEn:      %3s\n", yesno(rssconf & VFPERREN_F));
985         seq_printf(seq, "  KeyPerrEn:     %3s\n", yesno(rssconf & KEYPERREN_F));
986         seq_printf(seq, "  DisVfVlan:     %3s\n", yesno(rssconf &
987                                                         DISABLEVLAN_F));
988         seq_printf(seq, "  EnUpSwt:       %3s\n", yesno(rssconf & ENABLEUP0_F));
989         seq_printf(seq, "  HashDelay:     %3d\n", HASHDELAY_G(rssconf));
990         if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
991                 seq_printf(seq, "  VfWrAddr:      %3d\n", VFWRADDR_G(rssconf));
992         seq_printf(seq, "  KeyMode:       %s\n", keymode[KEYMODE_G(rssconf)]);
993         seq_printf(seq, "  VfWrEn:        %3s\n", yesno(rssconf & VFWREN_F));
994         seq_printf(seq, "  KeyWrEn:       %3s\n", yesno(rssconf & KEYWREN_F));
995         seq_printf(seq, "  KeyWrAddr:     %3d\n", KEYWRADDR_G(rssconf));
996
997         seq_puts(seq, "\n");
998
999         rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
1000         seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
1001         seq_printf(seq, "  ChnCount3:     %3s\n", yesno(rssconf & CHNCOUNT3_F));
1002         seq_printf(seq, "  ChnCount2:     %3s\n", yesno(rssconf & CHNCOUNT2_F));
1003         seq_printf(seq, "  ChnCount1:     %3s\n", yesno(rssconf & CHNCOUNT1_F));
1004         seq_printf(seq, "  ChnCount0:     %3s\n", yesno(rssconf & CHNCOUNT0_F));
1005         seq_printf(seq, "  ChnUndFlow3:   %3s\n", yesno(rssconf &
1006                                                         CHNUNDFLOW3_F));
1007         seq_printf(seq, "  ChnUndFlow2:   %3s\n", yesno(rssconf &
1008                                                         CHNUNDFLOW2_F));
1009         seq_printf(seq, "  ChnUndFlow1:   %3s\n", yesno(rssconf &
1010                                                         CHNUNDFLOW1_F));
1011         seq_printf(seq, "  ChnUndFlow0:   %3s\n", yesno(rssconf &
1012                                                         CHNUNDFLOW0_F));
1013         seq_printf(seq, "  RstChn3:       %3s\n", yesno(rssconf & RSTCHN3_F));
1014         seq_printf(seq, "  RstChn2:       %3s\n", yesno(rssconf & RSTCHN2_F));
1015         seq_printf(seq, "  RstChn1:       %3s\n", yesno(rssconf & RSTCHN1_F));
1016         seq_printf(seq, "  RstChn0:       %3s\n", yesno(rssconf & RSTCHN0_F));
1017         seq_printf(seq, "  UpdVld:        %3s\n", yesno(rssconf & UPDVLD_F));
1018         seq_printf(seq, "  Xoff:          %3s\n", yesno(rssconf & XOFF_F));
1019         seq_printf(seq, "  UpdChn3:       %3s\n", yesno(rssconf & UPDCHN3_F));
1020         seq_printf(seq, "  UpdChn2:       %3s\n", yesno(rssconf & UPDCHN2_F));
1021         seq_printf(seq, "  UpdChn1:       %3s\n", yesno(rssconf & UPDCHN1_F));
1022         seq_printf(seq, "  UpdChn0:       %3s\n", yesno(rssconf & UPDCHN0_F));
1023         seq_printf(seq, "  Queue:         %3d\n", QUEUE_G(rssconf));
1024
1025         return 0;
1026 }
1027
1028 DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
1029
1030 /* RSS Secret Key.
1031  */
1032
1033 static int rss_key_show(struct seq_file *seq, void *v)
1034 {
1035         u32 key[10];
1036
1037         t4_read_rss_key(seq->private, key);
1038         seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
1039                    key[9], key[8], key[7], key[6], key[5], key[4], key[3],
1040                    key[2], key[1], key[0]);
1041         return 0;
1042 }
1043
1044 static int rss_key_open(struct inode *inode, struct file *file)
1045 {
1046         return single_open(file, rss_key_show, inode->i_private);
1047 }
1048
1049 static ssize_t rss_key_write(struct file *file, const char __user *buf,
1050                              size_t count, loff_t *pos)
1051 {
1052         int i, j;
1053         u32 key[10];
1054         char s[100], *p;
1055         struct adapter *adap = FILE_DATA(file)->i_private;
1056
1057         if (count > sizeof(s) - 1)
1058                 return -EINVAL;
1059         if (copy_from_user(s, buf, count))
1060                 return -EFAULT;
1061         for (i = count; i > 0 && isspace(s[i - 1]); i--)
1062                 ;
1063         s[i] = '\0';
1064
1065         for (p = s, i = 9; i >= 0; i--) {
1066                 key[i] = 0;
1067                 for (j = 0; j < 8; j++, p++) {
1068                         if (!isxdigit(*p))
1069                                 return -EINVAL;
1070                         key[i] = (key[i] << 4) | hex2val(*p);
1071                 }
1072         }
1073
1074         t4_write_rss_key(adap, key, -1);
1075         return count;
1076 }
1077
1078 static const struct file_operations rss_key_debugfs_fops = {
1079         .owner   = THIS_MODULE,
1080         .open    = rss_key_open,
1081         .read    = seq_read,
1082         .llseek  = seq_lseek,
1083         .release = single_release,
1084         .write   = rss_key_write
1085 };
1086
1087 /* PF RSS Configuration.
1088  */
1089
1090 struct rss_pf_conf {
1091         u32 rss_pf_map;
1092         u32 rss_pf_mask;
1093         u32 rss_pf_config;
1094 };
1095
1096 static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
1097 {
1098         struct rss_pf_conf *pfconf;
1099
1100         if (v == SEQ_START_TOKEN) {
1101                 /* use the 0th entry to dump the PF Map Index Size */
1102                 pfconf = seq->private + offsetof(struct seq_tab, data);
1103                 seq_printf(seq, "PF Map Index Size = %d\n\n",
1104                            LKPIDXSIZE_G(pfconf->rss_pf_map));
1105
1106                 seq_puts(seq, "     RSS              PF   VF    Hash Tuple Enable         Default\n");
1107                 seq_puts(seq, "     Enable       IPF Mask Mask  IPv6      IPv4      UDP   Queue\n");
1108                 seq_puts(seq, " PF  Map Chn Prt  Map Size Size  Four Two  Four Two  Four  Ch1  Ch0\n");
1109         } else {
1110                 #define G_PFnLKPIDX(map, n) \
1111                         (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
1112                 #define G_PFnMSKSIZE(mask, n) \
1113                         (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
1114
1115                 pfconf = v;
1116                 seq_printf(seq, "%3d  %3s %3s %3s  %3d  %3d  %3d   %3s %3s   %3s %3s   %3s  %3d  %3d\n",
1117                            idx,
1118                            yesno(pfconf->rss_pf_config & MAPENABLE_F),
1119                            yesno(pfconf->rss_pf_config & CHNENABLE_F),
1120                            yesno(pfconf->rss_pf_config & PRTENABLE_F),
1121                            G_PFnLKPIDX(pfconf->rss_pf_map, idx),
1122                            G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
1123                            IVFWIDTH_G(pfconf->rss_pf_config),
1124                            yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
1125                            yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
1126                            yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
1127                            yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
1128                            yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
1129                            CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
1130                            CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
1131
1132                 #undef G_PFnLKPIDX
1133                 #undef G_PFnMSKSIZE
1134         }
1135         return 0;
1136 }
1137
1138 static int rss_pf_config_open(struct inode *inode, struct file *file)
1139 {
1140         struct adapter *adapter = inode->i_private;
1141         struct seq_tab *p;
1142         u32 rss_pf_map, rss_pf_mask;
1143         struct rss_pf_conf *pfconf;
1144         int pf;
1145
1146         p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
1147         if (!p)
1148                 return -ENOMEM;
1149
1150         pfconf = (struct rss_pf_conf *)p->data;
1151         rss_pf_map = t4_read_rss_pf_map(adapter);
1152         rss_pf_mask = t4_read_rss_pf_mask(adapter);
1153         for (pf = 0; pf < 8; pf++) {
1154                 pfconf[pf].rss_pf_map = rss_pf_map;
1155                 pfconf[pf].rss_pf_mask = rss_pf_mask;
1156                 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
1157         }
1158         return 0;
1159 }
1160
1161 static const struct file_operations rss_pf_config_debugfs_fops = {
1162         .owner   = THIS_MODULE,
1163         .open    = rss_pf_config_open,
1164         .read    = seq_read,
1165         .llseek  = seq_lseek,
1166         .release = seq_release_private
1167 };
1168
1169 /* VF RSS Configuration.
1170  */
1171
1172 struct rss_vf_conf {
1173         u32 rss_vf_vfl;
1174         u32 rss_vf_vfh;
1175 };
1176
1177 static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
1178 {
1179         if (v == SEQ_START_TOKEN) {
1180                 seq_puts(seq, "     RSS                     Hash Tuple Enable\n");
1181                 seq_puts(seq, "     Enable   IVF  Dis  Enb  IPv6      IPv4      UDP    Def  Secret Key\n");
1182                 seq_puts(seq, " VF  Chn Prt  Map  VLAN  uP  Four Two  Four Two  Four   Que  Idx       Hash\n");
1183         } else {
1184                 struct rss_vf_conf *vfconf = v;
1185
1186                 seq_printf(seq, "%3d  %3s %3s  %3d   %3s %3s   %3s %3s   %3s  %3s   %3s  %4d  %3d %#10x\n",
1187                            idx,
1188                            yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
1189                            yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
1190                            VFLKPIDX_G(vfconf->rss_vf_vfh),
1191                            yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
1192                            yesno(vfconf->rss_vf_vfh & VFUPEN_F),
1193                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1194                            yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
1195                            yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1196                            yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
1197                            yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
1198                            DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
1199                            KEYINDEX_G(vfconf->rss_vf_vfh),
1200                            vfconf->rss_vf_vfl);
1201         }
1202         return 0;
1203 }
1204
1205 static int rss_vf_config_open(struct inode *inode, struct file *file)
1206 {
1207         struct adapter *adapter = inode->i_private;
1208         struct seq_tab *p;
1209         struct rss_vf_conf *vfconf;
1210         int vf;
1211
1212         p = seq_open_tab(file, 128, sizeof(*vfconf), 1, rss_vf_config_show);
1213         if (!p)
1214                 return -ENOMEM;
1215
1216         vfconf = (struct rss_vf_conf *)p->data;
1217         for (vf = 0; vf < 128; vf++) {
1218                 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
1219                                       &vfconf[vf].rss_vf_vfh);
1220         }
1221         return 0;
1222 }
1223
1224 static const struct file_operations rss_vf_config_debugfs_fops = {
1225         .owner   = THIS_MODULE,
1226         .open    = rss_vf_config_open,
1227         .read    = seq_read,
1228         .llseek  = seq_lseek,
1229         .release = seq_release_private
1230 };
1231
1232 /**
1233  * ethqset2pinfo - return port_info of an Ethernet Queue Set
1234  * @adap: the adapter
1235  * @qset: Ethernet Queue Set
1236  */
1237 static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
1238 {
1239         int pidx;
1240
1241         for_each_port(adap, pidx) {
1242                 struct port_info *pi = adap2pinfo(adap, pidx);
1243
1244                 if (qset >= pi->first_qset &&
1245                     qset < pi->first_qset + pi->nqsets)
1246                         return pi;
1247         }
1248
1249         /* should never happen! */
1250         BUG_ON(1);
1251         return NULL;
1252 }
1253
1254 static int sge_qinfo_show(struct seq_file *seq, void *v)
1255 {
1256         struct adapter *adap = seq->private;
1257         int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
1258         int toe_entries = DIV_ROUND_UP(adap->sge.ofldqsets, 4);
1259         int rdma_entries = DIV_ROUND_UP(adap->sge.rdmaqs, 4);
1260         int ciq_entries = DIV_ROUND_UP(adap->sge.rdmaciqs, 4);
1261         int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
1262         int i, r = (uintptr_t)v - 1;
1263         int toe_idx = r - eth_entries;
1264         int rdma_idx = toe_idx - toe_entries;
1265         int ciq_idx = rdma_idx - rdma_entries;
1266         int ctrl_idx =  ciq_idx - ciq_entries;
1267         int fq_idx =  ctrl_idx - ctrl_entries;
1268
1269         if (r)
1270                 seq_putc(seq, '\n');
1271
1272 #define S3(fmt_spec, s, v) \
1273 do { \
1274         seq_printf(seq, "%-12s", s); \
1275         for (i = 0; i < n; ++i) \
1276                 seq_printf(seq, " %16" fmt_spec, v); \
1277                 seq_putc(seq, '\n'); \
1278 } while (0)
1279 #define S(s, v) S3("s", s, v)
1280 #define T(s, v) S3("u", s, tx[i].v)
1281 #define R(s, v) S3("u", s, rx[i].v)
1282
1283         if (r < eth_entries) {
1284                 int base_qset = r * 4;
1285                 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
1286                 const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
1287                 int n = min(4, adap->sge.ethqsets - 4 * r);
1288
1289                 S("QType:", "Ethernet");
1290                 S("Interface:",
1291                   rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
1292                 T("TxQ ID:", q.cntxt_id);
1293                 T("TxQ size:", q.size);
1294                 T("TxQ inuse:", q.in_use);
1295                 T("TxQ CIDX:", q.cidx);
1296                 T("TxQ PIDX:", q.pidx);
1297 #ifdef CONFIG_CHELSIO_T4_DCB
1298                 T("DCB Prio:", dcb_prio);
1299                 S3("u", "DCB PGID:",
1300                    (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
1301                     4*(7-tx[i].dcb_prio)) & 0xf);
1302                 S3("u", "DCB PFC:",
1303                    (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
1304                     1*(7-tx[i].dcb_prio)) & 0x1);
1305 #endif
1306                 R("RspQ ID:", rspq.abs_id);
1307                 R("RspQ size:", rspq.size);
1308                 R("RspQE size:", rspq.iqe_len);
1309                 R("RspQ CIDX:", rspq.cidx);
1310                 R("RspQ Gen:", rspq.gen);
1311                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1312                 S3("u", "Intr pktcnt:",
1313                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1314                 R("FL ID:", fl.cntxt_id);
1315                 R("FL size:", fl.size - 8);
1316                 R("FL pend:", fl.pend_cred);
1317                 R("FL avail:", fl.avail);
1318                 R("FL PIDX:", fl.pidx);
1319                 R("FL CIDX:", fl.cidx);
1320         } else if (toe_idx < toe_entries) {
1321                 const struct sge_ofld_rxq *rx = &adap->sge.ofldrxq[toe_idx * 4];
1322                 const struct sge_ofld_txq *tx = &adap->sge.ofldtxq[toe_idx * 4];
1323                 int n = min(4, adap->sge.ofldqsets - 4 * toe_idx);
1324
1325                 S("QType:", "TOE");
1326                 T("TxQ ID:", q.cntxt_id);
1327                 T("TxQ size:", q.size);
1328                 T("TxQ inuse:", q.in_use);
1329                 T("TxQ CIDX:", q.cidx);
1330                 T("TxQ PIDX:", q.pidx);
1331                 R("RspQ ID:", rspq.abs_id);
1332                 R("RspQ size:", rspq.size);
1333                 R("RspQE size:", rspq.iqe_len);
1334                 R("RspQ CIDX:", rspq.cidx);
1335                 R("RspQ Gen:", rspq.gen);
1336                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1337                 S3("u", "Intr pktcnt:",
1338                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1339                 R("FL ID:", fl.cntxt_id);
1340                 R("FL size:", fl.size - 8);
1341                 R("FL pend:", fl.pend_cred);
1342                 R("FL avail:", fl.avail);
1343                 R("FL PIDX:", fl.pidx);
1344                 R("FL CIDX:", fl.cidx);
1345         } else if (rdma_idx < rdma_entries) {
1346                 const struct sge_ofld_rxq *rx =
1347                                 &adap->sge.rdmarxq[rdma_idx * 4];
1348                 int n = min(4, adap->sge.rdmaqs - 4 * rdma_idx);
1349
1350                 S("QType:", "RDMA-CPL");
1351                 R("RspQ ID:", rspq.abs_id);
1352                 R("RspQ size:", rspq.size);
1353                 R("RspQE size:", rspq.iqe_len);
1354                 R("RspQ CIDX:", rspq.cidx);
1355                 R("RspQ Gen:", rspq.gen);
1356                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1357                 S3("u", "Intr pktcnt:",
1358                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1359                 R("FL ID:", fl.cntxt_id);
1360                 R("FL size:", fl.size - 8);
1361                 R("FL pend:", fl.pend_cred);
1362                 R("FL avail:", fl.avail);
1363                 R("FL PIDX:", fl.pidx);
1364                 R("FL CIDX:", fl.cidx);
1365         } else if (ciq_idx < ciq_entries) {
1366                 const struct sge_ofld_rxq *rx = &adap->sge.rdmaciq[ciq_idx * 4];
1367                 int n = min(4, adap->sge.rdmaciqs - 4 * ciq_idx);
1368
1369                 S("QType:", "RDMA-CIQ");
1370                 R("RspQ ID:", rspq.abs_id);
1371                 R("RspQ size:", rspq.size);
1372                 R("RspQE size:", rspq.iqe_len);
1373                 R("RspQ CIDX:", rspq.cidx);
1374                 R("RspQ Gen:", rspq.gen);
1375                 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1376                 S3("u", "Intr pktcnt:",
1377                    adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1378         } else if (ctrl_idx < ctrl_entries) {
1379                 const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
1380                 int n = min(4, adap->params.nports - 4 * ctrl_idx);
1381
1382                 S("QType:", "Control");
1383                 T("TxQ ID:", q.cntxt_id);
1384                 T("TxQ size:", q.size);
1385                 T("TxQ inuse:", q.in_use);
1386                 T("TxQ CIDX:", q.cidx);
1387                 T("TxQ PIDX:", q.pidx);
1388         } else if (fq_idx == 0) {
1389                 const struct sge_rspq *evtq = &adap->sge.fw_evtq;
1390
1391                 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
1392                 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
1393                 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
1394                 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
1395                 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
1396                 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
1397                 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
1398                            qtimer_val(adap, evtq));
1399                 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
1400                            adap->sge.counter_val[evtq->pktcnt_idx]);
1401         }
1402 #undef R
1403 #undef T
1404 #undef S
1405 #undef S3
1406 return 0;
1407 }
1408
1409 static int sge_queue_entries(const struct adapter *adap)
1410 {
1411         return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
1412                DIV_ROUND_UP(adap->sge.ofldqsets, 4) +
1413                DIV_ROUND_UP(adap->sge.rdmaqs, 4) +
1414                DIV_ROUND_UP(adap->sge.rdmaciqs, 4) +
1415                DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
1416 }
1417
1418 static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
1419 {
1420         int entries = sge_queue_entries(seq->private);
1421
1422         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1423 }
1424
1425 static void sge_queue_stop(struct seq_file *seq, void *v)
1426 {
1427 }
1428
1429 static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
1430 {
1431         int entries = sge_queue_entries(seq->private);
1432
1433         ++*pos;
1434         return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1435 }
1436
1437 static const struct seq_operations sge_qinfo_seq_ops = {
1438         .start = sge_queue_start,
1439         .next  = sge_queue_next,
1440         .stop  = sge_queue_stop,
1441         .show  = sge_qinfo_show
1442 };
1443
1444 static int sge_qinfo_open(struct inode *inode, struct file *file)
1445 {
1446         int res = seq_open(file, &sge_qinfo_seq_ops);
1447
1448         if (!res) {
1449                 struct seq_file *seq = file->private_data;
1450
1451                 seq->private = inode->i_private;
1452         }
1453         return res;
1454 }
1455
1456 static const struct file_operations sge_qinfo_debugfs_fops = {
1457         .owner   = THIS_MODULE,
1458         .open    = sge_qinfo_open,
1459         .read    = seq_read,
1460         .llseek  = seq_lseek,
1461         .release = seq_release,
1462 };
1463
1464 int mem_open(struct inode *inode, struct file *file)
1465 {
1466         unsigned int mem;
1467         struct adapter *adap;
1468
1469         file->private_data = inode->i_private;
1470
1471         mem = (uintptr_t)file->private_data & 0x3;
1472         adap = file->private_data - mem;
1473
1474         (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
1475
1476         return 0;
1477 }
1478
1479 static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
1480                         loff_t *ppos)
1481 {
1482         loff_t pos = *ppos;
1483         loff_t avail = file_inode(file)->i_size;
1484         unsigned int mem = (uintptr_t)file->private_data & 3;
1485         struct adapter *adap = file->private_data - mem;
1486         __be32 *data;
1487         int ret;
1488
1489         if (pos < 0)
1490                 return -EINVAL;
1491         if (pos >= avail)
1492                 return 0;
1493         if (count > avail - pos)
1494                 count = avail - pos;
1495
1496         data = t4_alloc_mem(count);
1497         if (!data)
1498                 return -ENOMEM;
1499
1500         spin_lock(&adap->win0_lock);
1501         ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
1502         spin_unlock(&adap->win0_lock);
1503         if (ret) {
1504                 t4_free_mem(data);
1505                 return ret;
1506         }
1507         ret = copy_to_user(buf, data, count);
1508
1509         t4_free_mem(data);
1510         if (ret)
1511                 return -EFAULT;
1512
1513         *ppos = pos + count;
1514         return count;
1515 }
1516 static const struct file_operations mem_debugfs_fops = {
1517         .owner   = THIS_MODULE,
1518         .open    = simple_open,
1519         .read    = mem_read,
1520         .llseek  = default_llseek,
1521 };
1522
1523 static void set_debugfs_file_size(struct dentry *de, loff_t size)
1524 {
1525         if (!IS_ERR(de) && de->d_inode)
1526                 de->d_inode->i_size = size;
1527 }
1528
1529 static void add_debugfs_mem(struct adapter *adap, const char *name,
1530                             unsigned int idx, unsigned int size_mb)
1531 {
1532         struct dentry *de;
1533
1534         de = debugfs_create_file(name, S_IRUSR, adap->debugfs_root,
1535                                  (void *)adap + idx, &mem_debugfs_fops);
1536         if (de && de->d_inode)
1537                 de->d_inode->i_size = size_mb << 20;
1538 }
1539
1540 /* Add an array of Debug FS files.
1541  */
1542 void add_debugfs_files(struct adapter *adap,
1543                        struct t4_debugfs_entry *files,
1544                        unsigned int nfiles)
1545 {
1546         int i;
1547
1548         /* debugfs support is best effort */
1549         for (i = 0; i < nfiles; i++)
1550                 debugfs_create_file(files[i].name, files[i].mode,
1551                                     adap->debugfs_root,
1552                                     (void *)adap + files[i].data,
1553                                     files[i].ops);
1554 }
1555
1556 int t4_setup_debugfs(struct adapter *adap)
1557 {
1558         int i;
1559         u32 size;
1560         struct dentry *de;
1561
1562         static struct t4_debugfs_entry t4_debugfs_files[] = {
1563                 { "cim_la", &cim_la_fops, S_IRUSR, 0 },
1564                 { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
1565                 { "clk", &clk_debugfs_fops, S_IRUSR, 0 },
1566                 { "devlog", &devlog_fops, S_IRUSR, 0 },
1567                 { "l2t", &t4_l2t_fops, S_IRUSR, 0},
1568                 { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
1569                 { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
1570                 { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
1571                 { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
1572                 { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
1573                 { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
1574                 { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
1575                 { "ibq_tp0",  &cim_ibq_fops, S_IRUSR, 0 },
1576                 { "ibq_tp1",  &cim_ibq_fops, S_IRUSR, 1 },
1577                 { "ibq_ulp",  &cim_ibq_fops, S_IRUSR, 2 },
1578                 { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
1579                 { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
1580                 { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
1581                 { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
1582                 { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
1583                 { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
1584                 { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
1585                 { "obq_sge",  &cim_obq_fops, S_IRUSR, 4 },
1586                 { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
1587                 { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
1588 #if IS_ENABLED(CONFIG_IPV6)
1589                 { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
1590 #endif
1591         };
1592
1593         /* Debug FS nodes common to all T5 and later adapters.
1594          */
1595         static struct t4_debugfs_entry t5_debugfs_files[] = {
1596                 { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
1597                 { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
1598         };
1599
1600         add_debugfs_files(adap,
1601                           t4_debugfs_files,
1602                           ARRAY_SIZE(t4_debugfs_files));
1603         if (!is_t4(adap->params.chip))
1604                 add_debugfs_files(adap,
1605                                   t5_debugfs_files,
1606                                   ARRAY_SIZE(t5_debugfs_files));
1607
1608         i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
1609         if (i & EDRAM0_ENABLE_F) {
1610                 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
1611                 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
1612         }
1613         if (i & EDRAM1_ENABLE_F) {
1614                 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
1615                 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
1616         }
1617         if (is_t4(adap->params.chip)) {
1618                 size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
1619                 if (i & EXT_MEM_ENABLE_F)
1620                         add_debugfs_mem(adap, "mc", MEM_MC,
1621                                         EXT_MEM_SIZE_G(size));
1622         } else {
1623                 if (i & EXT_MEM0_ENABLE_F) {
1624                         size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
1625                         add_debugfs_mem(adap, "mc0", MEM_MC0,
1626                                         EXT_MEM0_SIZE_G(size));
1627                 }
1628                 if (i & EXT_MEM1_ENABLE_F) {
1629                         size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
1630                         add_debugfs_mem(adap, "mc1", MEM_MC1,
1631                                         EXT_MEM1_SIZE_G(size));
1632                 }
1633         }
1634
1635         de = debugfs_create_file("flash", S_IRUSR, adap->debugfs_root, adap,
1636                                  &flash_debugfs_fops);
1637         set_debugfs_file_size(de, adap->params.sf_size);
1638
1639         return 0;
1640 }