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cxgb4: Added support in debugfs to dump PM module stats
[thirdparty/kernel/stable.git] / drivers / net / ethernet / chelsio / cxgb4 / cxgb4_debugfs.c
CommitLineData
fd88b31a
HS		 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>
688ea5fe 39#include <linux/ctype.h>
fd88b31a
HS		 40
41#include "cxgb4.h"
42#include "t4_regs.h"
43#include "t4fw_api.h"
44#include "cxgb4_debugfs.h"
b5a02f50 45#include "clip_tbl.h"
fd88b31a
HS		 46#include "l2t.h"
47
f1ff24aa
HS		 48/* generic seq_file support for showing a table of size rows x width. */
49static 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
55static 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
65static 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
73static void seq_tab_stop(struct seq_file *seq, void *v)
74{
75}
76
77static 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
84static 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
91struct 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
c778af7d
HS		 107/* Trim the size of a seq_tab to the supplied number of rows. The operation is
108 * irreversible.
109 */
110static 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
f1ff24aa
HS		 118static 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
135static 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
153static 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
176static 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
74b3092c
HS		 184static 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
240static int cim_qcfg_open(struct inode *inode, struct file *file)
241{
242 return single_open(file, cim_qcfg_show, inode->i_private);
243}
244
245static 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
e5f0e43b
HS		 253static 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
262static 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
281static 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
c778af7d
HS		 289static 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
310static 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
b3bbe36a
HS		 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 */
330static 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
359static int pm_stats_open(struct inode *inode, struct file *file)
360{
361 return single_open(file, pm_stats_show, inode->i_private);
362}
363
364static 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
374static 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
f1ff24aa 383/* Firmware Device Log dump. */
49aa284f
HS		 384static const char * const devlog_level_strings[] = {
385 [FW_DEVLOG_LEVEL_EMERG] = "EMERG",
386 [FW_DEVLOG_LEVEL_CRIT] = "CRIT",
387 [FW_DEVLOG_LEVEL_ERR] = "ERR",
388 [FW_DEVLOG_LEVEL_NOTICE] = "NOTICE",
389 [FW_DEVLOG_LEVEL_INFO] = "INFO",
390 [FW_DEVLOG_LEVEL_DEBUG] = "DEBUG"
391};
392
393static const char * const devlog_facility_strings[] = {
394 [FW_DEVLOG_FACILITY_CORE] = "CORE",
395 [FW_DEVLOG_FACILITY_SCHED] = "SCHED",
396 [FW_DEVLOG_FACILITY_TIMER] = "TIMER",
397 [FW_DEVLOG_FACILITY_RES] = "RES",
398 [FW_DEVLOG_FACILITY_HW] = "HW",
399 [FW_DEVLOG_FACILITY_FLR] = "FLR",
400 [FW_DEVLOG_FACILITY_DMAQ] = "DMAQ",
401 [FW_DEVLOG_FACILITY_PHY] = "PHY",
402 [FW_DEVLOG_FACILITY_MAC] = "MAC",
403 [FW_DEVLOG_FACILITY_PORT] = "PORT",
404 [FW_DEVLOG_FACILITY_VI] = "VI",
405 [FW_DEVLOG_FACILITY_FILTER] = "FILTER",
406 [FW_DEVLOG_FACILITY_ACL] = "ACL",
407 [FW_DEVLOG_FACILITY_TM] = "TM",
408 [FW_DEVLOG_FACILITY_QFC] = "QFC",
409 [FW_DEVLOG_FACILITY_DCB] = "DCB",
410 [FW_DEVLOG_FACILITY_ETH] = "ETH",
411 [FW_DEVLOG_FACILITY_OFLD] = "OFLD",
412 [FW_DEVLOG_FACILITY_RI] = "RI",
413 [FW_DEVLOG_FACILITY_ISCSI] = "ISCSI",
414 [FW_DEVLOG_FACILITY_FCOE] = "FCOE",
415 [FW_DEVLOG_FACILITY_FOISCSI] = "FOISCSI",
416 [FW_DEVLOG_FACILITY_FOFCOE] = "FOFCOE"
417};
418
419/* Information gathered by Device Log Open routine for the display routine.
420 */
421struct devlog_info {
422 unsigned int nentries; /* number of entries in log[] */
423 unsigned int first; /* first [temporal] entry in log[] */
424 struct fw_devlog_e log[0]; /* Firmware Device Log */
425};
426
427/* Dump a Firmaware Device Log entry.
428 */
429static int devlog_show(struct seq_file *seq, void *v)
430{
431 if (v == SEQ_START_TOKEN)
432 seq_printf(seq, "%10s %15s %8s %8s %s\n",
433 "Seq#", "Tstamp", "Level", "Facility", "Message");
434 else {
435 struct devlog_info *dinfo = seq->private;
436 int fidx = (uintptr_t)v - 2;
437 unsigned long index;
438 struct fw_devlog_e *e;
439
440 /* Get a pointer to the log entry to display. Skip unused log
441 * entries.
442 */
443 index = dinfo->first + fidx;
444 if (index >= dinfo->nentries)
445 index -= dinfo->nentries;
446 e = &dinfo->log[index];
447 if (e->timestamp == 0)
448 return 0;
449
450 /* Print the message. This depends on the firmware using
451 * exactly the same formating strings as the kernel so we may
452 * eventually have to put a format interpreter in here ...
453 */
454 seq_printf(seq, "%10d %15llu %8s %8s ",
455 e->seqno, e->timestamp,
456 (e->level < ARRAY_SIZE(devlog_level_strings)
457 ? devlog_level_strings[e->level]
458 : "UNKNOWN"),
459 (e->facility < ARRAY_SIZE(devlog_facility_strings)
460 ? devlog_facility_strings[e->facility]
461 : "UNKNOWN"));
462 seq_printf(seq, e->fmt, e->params[0], e->params[1],
463 e->params[2], e->params[3], e->params[4],
464 e->params[5], e->params[6], e->params[7]);
465 }
466 return 0;
467}
468
469/* Sequential File Operations for Device Log.
470 */
471static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
472{
473 if (pos > dinfo->nentries)
474 return NULL;
475
476 return (void *)(uintptr_t)(pos + 1);
477}
478
479static void *devlog_start(struct seq_file *seq, loff_t *pos)
480{
481 struct devlog_info *dinfo = seq->private;
482
483 return (*pos
484 ? devlog_get_idx(dinfo, *pos)
485 : SEQ_START_TOKEN);
486}
487
488static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
489{
490 struct devlog_info *dinfo = seq->private;
491
492 (*pos)++;
493 return devlog_get_idx(dinfo, *pos);
494}
495
496static void devlog_stop(struct seq_file *seq, void *v)
497{
498}
499
500static const struct seq_operations devlog_seq_ops = {
501 .start = devlog_start,
502 .next = devlog_next,
503 .stop = devlog_stop,
504 .show = devlog_show
505};
506
507/* Set up for reading the firmware's device log. We read the entire log here
508 * and then display it incrementally in devlog_show().
509 */
510static int devlog_open(struct inode *inode, struct file *file)
511{
512 struct adapter *adap = inode->i_private;
513 struct devlog_params *dparams = &adap->params.devlog;
514 struct devlog_info *dinfo;
515 unsigned int index;
516 u32 fseqno;
517 int ret;
518
519 /* If we don't know where the log is we can't do anything.
520 */
521 if (dparams->start == 0)
522 return -ENXIO;
523
524 /* Allocate the space to read in the firmware's device log and set up
525 * for the iterated call to our display function.
526 */
527 dinfo = __seq_open_private(file, &devlog_seq_ops,
528 sizeof(*dinfo) + dparams->size);
529 if (!dinfo)
530 return -ENOMEM;
531
532 /* Record the basic log buffer information and read in the raw log.
533 */
534 dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
535 dinfo->first = 0;
536 spin_lock(&adap->win0_lock);
537 ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
538 dparams->start, dparams->size, (__be32 *)dinfo->log,
539 T4_MEMORY_READ);
540 spin_unlock(&adap->win0_lock);
541 if (ret) {
542 seq_release_private(inode, file);
543 return ret;
544 }
545
546 /* Translate log multi-byte integral elements into host native format
547 * and determine where the first entry in the log is.
548 */
549 for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
550 struct fw_devlog_e *e = &dinfo->log[index];
551 int i;
552 __u32 seqno;
553
554 if (e->timestamp == 0)
555 continue;
556
557 e->timestamp = (__force __be64)be64_to_cpu(e->timestamp);
558 seqno = be32_to_cpu(e->seqno);
559 for (i = 0; i < 8; i++)
560 e->params[i] =
561 (__force __be32)be32_to_cpu(e->params[i]);
562
563 if (seqno < fseqno) {
564 fseqno = seqno;
565 dinfo->first = index;
566 }
567 }
568 return 0;
569}
570
571static const struct file_operations devlog_fops = {
572 .owner = THIS_MODULE,
573 .open = devlog_open,
574 .read = seq_read,
575 .llseek = seq_lseek,
576 .release = seq_release_private
577};
578
49216c1c
HS		 579static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
580 loff_t *ppos)
581{
582 loff_t pos = *ppos;
583 loff_t avail = FILE_DATA(file)->i_size;
584 struct adapter *adap = file->private_data;
585
586 if (pos < 0)
587 return -EINVAL;
588 if (pos >= avail)
589 return 0;
590 if (count > avail - pos)
591 count = avail - pos;
592
593 while (count) {
594 size_t len;
595 int ret, ofst;
596 u8 data[256];
597
598 ofst = pos & 3;
599 len = min(count + ofst, sizeof(data));
600 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
601 (u32 *)data, 1);
602 if (ret)
603 return ret;
604
605 len -= ofst;
606 if (copy_to_user(buf, data + ofst, len))
607 return -EFAULT;
608
609 buf += len;
610 pos += len;
611 count -= len;
612 }
613 count = pos - *ppos;
614 *ppos = pos;
615 return count;
616}
617
618static const struct file_operations flash_debugfs_fops = {
619 .owner = THIS_MODULE,
620 .open = mem_open,
621 .read = flash_read,
622};
623
ef82f662
HS		 624static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
625{
626 *mask = x | y;
627 y = (__force u64)cpu_to_be64(y);
628 memcpy(addr, (char *)&y + 2, ETH_ALEN);
629}
630
631static int mps_tcam_show(struct seq_file *seq, void *v)
632{
633 if (v == SEQ_START_TOKEN)
634 seq_puts(seq, "Idx Ethernet address Mask Vld Ports PF"
635 " VF Replication "
636 "P0 P1 P2 P3 ML\n");
637 else {
638 u64 mask;
639 u8 addr[ETH_ALEN];
640 struct adapter *adap = seq->private;
641 unsigned int idx = (uintptr_t)v - 2;
642 u64 tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
643 u64 tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
644 u32 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
645 u32 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
646 u32 rplc[4] = {0, 0, 0, 0};
647
648 if (tcamx & tcamy) {
649 seq_printf(seq, "%3u -\n", idx);
650 goto out;
651 }
652
653 if (cls_lo & REPLICATE_F) {
654 struct fw_ldst_cmd ldst_cmd;
655 int ret;
656
657 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
658 ldst_cmd.op_to_addrspace =
659 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
660 FW_CMD_REQUEST_F |
661 FW_CMD_READ_F |
662 FW_LDST_CMD_ADDRSPACE_V(
663 FW_LDST_ADDRSPC_MPS));
664 ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
665 ldst_cmd.u.mps.fid_ctl =
666 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
667 FW_LDST_CMD_CTL_V(idx));
668 ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
669 sizeof(ldst_cmd), &ldst_cmd);
670 if (ret)
671 dev_warn(adap->pdev_dev, "Can't read MPS "
672 "replication map for idx %d: %d\n",
673 idx, -ret);
674 else {
675 rplc[0] = ntohl(ldst_cmd.u.mps.rplc31_0);
676 rplc[1] = ntohl(ldst_cmd.u.mps.rplc63_32);
677 rplc[2] = ntohl(ldst_cmd.u.mps.rplc95_64);
678 rplc[3] = ntohl(ldst_cmd.u.mps.rplc127_96);
679 }
680 }
681
682 tcamxy2valmask(tcamx, tcamy, addr, &mask);
683 seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x %012llx"
684 "%3c %#x%4u%4d",
685 idx, addr[0], addr[1], addr[2], addr[3], addr[4],
686 addr[5], (unsigned long long)mask,
687 (cls_lo & SRAM_VLD_F) ? 'Y' : 'N', PORTMAP_G(cls_hi),
688 PF_G(cls_lo),
689 (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
690 if (cls_lo & REPLICATE_F)
691 seq_printf(seq, " %08x %08x %08x %08x",
692 rplc[3], rplc[2], rplc[1], rplc[0]);
693 else
694 seq_printf(seq, "%36c", ' ');
695 seq_printf(seq, "%4u%3u%3u%3u %#x\n",
696 SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
697 SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
698 (cls_lo >> MULTILISTEN0_S) & 0xf);
699 }
700out: return 0;
701}
702
703static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
704{
705 struct adapter *adap = seq->private;
706 int max_mac_addr = is_t4(adap->params.chip) ?
707 NUM_MPS_CLS_SRAM_L_INSTANCES :
708 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
709 return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
710}
711
712static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
713{
714 return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
715}
716
717static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
718{
719 ++*pos;
720 return mps_tcam_get_idx(seq, *pos);
721}
722
723static void mps_tcam_stop(struct seq_file *seq, void *v)
724{
725}
726
727static const struct seq_operations mps_tcam_seq_ops = {
728 .start = mps_tcam_start,
729 .next = mps_tcam_next,
730 .stop = mps_tcam_stop,
731 .show = mps_tcam_show
732};
733
734static int mps_tcam_open(struct inode *inode, struct file *file)
735{
736 int res = seq_open(file, &mps_tcam_seq_ops);
737
738 if (!res) {
739 struct seq_file *seq = file->private_data;
740
741 seq->private = inode->i_private;
742 }
743 return res;
744}
745
746static const struct file_operations mps_tcam_debugfs_fops = {
747 .owner = THIS_MODULE,
748 .open = mps_tcam_open,
749 .read = seq_read,
750 .llseek = seq_lseek,
751 .release = seq_release,
752};
753
b5a02f50
AB		 754#if IS_ENABLED(CONFIG_IPV6)
755static int clip_tbl_open(struct inode *inode, struct file *file)
756{
757 return single_open(file, clip_tbl_show, PDE_DATA(inode));
758}
759
760static const struct file_operations clip_tbl_debugfs_fops = {
761 .owner = THIS_MODULE,
762 .open = clip_tbl_open,
763 .read = seq_read,
764 .llseek = seq_lseek,
765 .release = single_release
766};
767#endif
768
688ea5fe
HS		 769/*RSS Table.
770 */
771
772static int rss_show(struct seq_file *seq, void *v, int idx)
773{
774 u16 *entry = v;
775
776 seq_printf(seq, "%4d: %4u %4u %4u %4u %4u %4u %4u %4u\n",
777 idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
778 entry[5], entry[6], entry[7]);
779 return 0;
780}
781
782static int rss_open(struct inode *inode, struct file *file)
783{
784 int ret;
785 struct seq_tab *p;
786 struct adapter *adap = inode->i_private;
787
788 p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
789 if (!p)
790 return -ENOMEM;
791
792 ret = t4_read_rss(adap, (u16 *)p->data);
793 if (ret)
794 seq_release_private(inode, file);
795
796 return ret;
797}
798
799static const struct file_operations rss_debugfs_fops = {
800 .owner = THIS_MODULE,
801 .open = rss_open,
802 .read = seq_read,
803 .llseek = seq_lseek,
804 .release = seq_release_private
805};
806
807/* RSS Configuration.
808 */
809
810/* Small utility function to return the strings "yes" or "no" if the supplied
811 * argument is non-zero.
812 */
813static const char *yesno(int x)
814{
815 static const char *yes = "yes";
816 static const char *no = "no";
817
818 return x ? yes : no;
819}
820
821static int rss_config_show(struct seq_file *seq, void *v)
822{
823 struct adapter *adapter = seq->private;
824 static const char * const keymode[] = {
825 "global",
826 "global and per-VF scramble",
827 "per-PF and per-VF scramble",
828 "per-VF and per-VF scramble",
829 };
830 u32 rssconf;
831
832 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
833 seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
834 seq_printf(seq, " Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
835 TNL4TUPENIPV6_F));
836 seq_printf(seq, " Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
837 TNL2TUPENIPV6_F));
838 seq_printf(seq, " Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
839 TNL4TUPENIPV4_F));
840 seq_printf(seq, " Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
841 TNL2TUPENIPV4_F));
842 seq_printf(seq, " TnlTcpSel: %3s\n", yesno(rssconf & TNLTCPSEL_F));
843 seq_printf(seq, " TnlIp6Sel: %3s\n", yesno(rssconf & TNLIP6SEL_F));
844 seq_printf(seq, " TnlVrtSel: %3s\n", yesno(rssconf & TNLVRTSEL_F));
845 seq_printf(seq, " TnlMapEn: %3s\n", yesno(rssconf & TNLMAPEN_F));
846 seq_printf(seq, " OfdHashSave: %3s\n", yesno(rssconf &
847 OFDHASHSAVE_F));
848 seq_printf(seq, " OfdVrtSel: %3s\n", yesno(rssconf & OFDVRTSEL_F));
849 seq_printf(seq, " OfdMapEn: %3s\n", yesno(rssconf & OFDMAPEN_F));
850 seq_printf(seq, " OfdLkpEn: %3s\n", yesno(rssconf & OFDLKPEN_F));
851 seq_printf(seq, " Syn4TupEnIpv6: %3s\n", yesno(rssconf &
852 SYN4TUPENIPV6_F));
853 seq_printf(seq, " Syn2TupEnIpv6: %3s\n", yesno(rssconf &
854 SYN2TUPENIPV6_F));
855 seq_printf(seq, " Syn4TupEnIpv4: %3s\n", yesno(rssconf &
856 SYN4TUPENIPV4_F));
857 seq_printf(seq, " Syn2TupEnIpv4: %3s\n", yesno(rssconf &
858 SYN2TUPENIPV4_F));
859 seq_printf(seq, " Syn4TupEnIpv6: %3s\n", yesno(rssconf &
860 SYN4TUPENIPV6_F));
861 seq_printf(seq, " SynIp6Sel: %3s\n", yesno(rssconf & SYNIP6SEL_F));
862 seq_printf(seq, " SynVrt6Sel: %3s\n", yesno(rssconf & SYNVRTSEL_F));
863 seq_printf(seq, " SynMapEn: %3s\n", yesno(rssconf & SYNMAPEN_F));
864 seq_printf(seq, " SynLkpEn: %3s\n", yesno(rssconf & SYNLKPEN_F));
865 seq_printf(seq, " ChnEn: %3s\n", yesno(rssconf &
866 CHANNELENABLE_F));
867 seq_printf(seq, " PrtEn: %3s\n", yesno(rssconf &
868 PORTENABLE_F));
869 seq_printf(seq, " TnlAllLkp: %3s\n", yesno(rssconf &
870 TNLALLLOOKUP_F));
871 seq_printf(seq, " VrtEn: %3s\n", yesno(rssconf &
872 VIRTENABLE_F));
873 seq_printf(seq, " CngEn: %3s\n", yesno(rssconf &
874 CONGESTIONENABLE_F));
875 seq_printf(seq, " HashToeplitz: %3s\n", yesno(rssconf &
876 HASHTOEPLITZ_F));
877 seq_printf(seq, " Udp4En: %3s\n", yesno(rssconf & UDPENABLE_F));
878 seq_printf(seq, " Disable: %3s\n", yesno(rssconf & DISABLE_F));
879
880 seq_puts(seq, "\n");
881
882 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
883 seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
884 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
885 seq_printf(seq, " MaskFilter: %3d\n", MASKFILTER_G(rssconf));
886 if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
887 seq_printf(seq, " HashAll: %3s\n",
888 yesno(rssconf & HASHALL_F));
889 seq_printf(seq, " HashEth: %3s\n",
890 yesno(rssconf & HASHETH_F));
891 }
892 seq_printf(seq, " UseWireCh: %3s\n", yesno(rssconf & USEWIRECH_F));
893
894 seq_puts(seq, "\n");
895
896 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
897 seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
898 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
899 seq_printf(seq, " RRCplMapEn: %3s\n", yesno(rssconf &
900 RRCPLMAPEN_F));
901 seq_printf(seq, " RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
902
903 seq_puts(seq, "\n");
904
905 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
906 seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
907 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
908 seq_printf(seq, " UseWireCh: %3s\n", yesno(rssconf & USEWIRECH_F));
909
910 seq_puts(seq, "\n");
911
912 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
913 seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
914 if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
915 seq_printf(seq, " KeyWrAddrX: %3d\n",
916 KEYWRADDRX_G(rssconf));
917 seq_printf(seq, " KeyExtend: %3s\n",
918 yesno(rssconf & KEYEXTEND_F));
919 }
920 seq_printf(seq, " VfRdRg: %3s\n", yesno(rssconf & VFRDRG_F));
921 seq_printf(seq, " VfRdEn: %3s\n", yesno(rssconf & VFRDEN_F));
922 seq_printf(seq, " VfPerrEn: %3s\n", yesno(rssconf & VFPERREN_F));
923 seq_printf(seq, " KeyPerrEn: %3s\n", yesno(rssconf & KEYPERREN_F));
924 seq_printf(seq, " DisVfVlan: %3s\n", yesno(rssconf &
925 DISABLEVLAN_F));
926 seq_printf(seq, " EnUpSwt: %3s\n", yesno(rssconf & ENABLEUP0_F));
927 seq_printf(seq, " HashDelay: %3d\n", HASHDELAY_G(rssconf));
928 if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
929 seq_printf(seq, " VfWrAddr: %3d\n", VFWRADDR_G(rssconf));
930 seq_printf(seq, " KeyMode: %s\n", keymode[KEYMODE_G(rssconf)]);
931 seq_printf(seq, " VfWrEn: %3s\n", yesno(rssconf & VFWREN_F));
932 seq_printf(seq, " KeyWrEn: %3s\n", yesno(rssconf & KEYWREN_F));
933 seq_printf(seq, " KeyWrAddr: %3d\n", KEYWRADDR_G(rssconf));
934
935 seq_puts(seq, "\n");
936
937 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
938 seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
939 seq_printf(seq, " ChnCount3: %3s\n", yesno(rssconf & CHNCOUNT3_F));
940 seq_printf(seq, " ChnCount2: %3s\n", yesno(rssconf & CHNCOUNT2_F));
941 seq_printf(seq, " ChnCount1: %3s\n", yesno(rssconf & CHNCOUNT1_F));
942 seq_printf(seq, " ChnCount0: %3s\n", yesno(rssconf & CHNCOUNT0_F));
943 seq_printf(seq, " ChnUndFlow3: %3s\n", yesno(rssconf &
944 CHNUNDFLOW3_F));
945 seq_printf(seq, " ChnUndFlow2: %3s\n", yesno(rssconf &
946 CHNUNDFLOW2_F));
947 seq_printf(seq, " ChnUndFlow1: %3s\n", yesno(rssconf &
948 CHNUNDFLOW1_F));
949 seq_printf(seq, " ChnUndFlow0: %3s\n", yesno(rssconf &
950 CHNUNDFLOW0_F));
951 seq_printf(seq, " RstChn3: %3s\n", yesno(rssconf & RSTCHN3_F));
952 seq_printf(seq, " RstChn2: %3s\n", yesno(rssconf & RSTCHN2_F));
953 seq_printf(seq, " RstChn1: %3s\n", yesno(rssconf & RSTCHN1_F));
954 seq_printf(seq, " RstChn0: %3s\n", yesno(rssconf & RSTCHN0_F));
955 seq_printf(seq, " UpdVld: %3s\n", yesno(rssconf & UPDVLD_F));
956 seq_printf(seq, " Xoff: %3s\n", yesno(rssconf & XOFF_F));
957 seq_printf(seq, " UpdChn3: %3s\n", yesno(rssconf & UPDCHN3_F));
958 seq_printf(seq, " UpdChn2: %3s\n", yesno(rssconf & UPDCHN2_F));
959 seq_printf(seq, " UpdChn1: %3s\n", yesno(rssconf & UPDCHN1_F));
960 seq_printf(seq, " UpdChn0: %3s\n", yesno(rssconf & UPDCHN0_F));
961 seq_printf(seq, " Queue: %3d\n", QUEUE_G(rssconf));
962
963 return 0;
964}
965
966DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
967
968/* RSS Secret Key.
969 */
970
971static int rss_key_show(struct seq_file *seq, void *v)
972{
973 u32 key[10];
974
975 t4_read_rss_key(seq->private, key);
976 seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
977 key[9], key[8], key[7], key[6], key[5], key[4], key[3],
978 key[2], key[1], key[0]);
979 return 0;
980}
981
982static int rss_key_open(struct inode *inode, struct file *file)
983{
984 return single_open(file, rss_key_show, inode->i_private);
985}
986
987static ssize_t rss_key_write(struct file *file, const char __user *buf,
988 size_t count, loff_t *pos)
989{
990 int i, j;
991 u32 key[10];
992 char s[100], *p;
993 struct adapter *adap = FILE_DATA(file)->i_private;
994
995 if (count > sizeof(s) - 1)
996 return -EINVAL;
997 if (copy_from_user(s, buf, count))
998 return -EFAULT;
999 for (i = count; i > 0 && isspace(s[i - 1]); i--)
1000 ;
1001 s[i] = '\0';
1002
1003 for (p = s, i = 9; i >= 0; i--) {
1004 key[i] = 0;
1005 for (j = 0; j < 8; j++, p++) {
1006 if (!isxdigit(*p))
1007 return -EINVAL;
1008 key[i] = (key[i] << 4) | hex2val(*p);
1009 }
1010 }
1011
1012 t4_write_rss_key(adap, key, -1);
1013 return count;
1014}
1015
1016static const struct file_operations rss_key_debugfs_fops = {
1017 .owner = THIS_MODULE,
1018 .open = rss_key_open,
1019 .read = seq_read,
1020 .llseek = seq_lseek,
1021 .release = single_release,
1022 .write = rss_key_write
1023};
1024
1025/* PF RSS Configuration.
1026 */
1027
1028struct rss_pf_conf {
1029 u32 rss_pf_map;
1030 u32 rss_pf_mask;
1031 u32 rss_pf_config;
1032};
1033
1034static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
1035{
1036 struct rss_pf_conf *pfconf;
1037
1038 if (v == SEQ_START_TOKEN) {
1039 /* use the 0th entry to dump the PF Map Index Size */
1040 pfconf = seq->private + offsetof(struct seq_tab, data);
1041 seq_printf(seq, "PF Map Index Size = %d\n\n",
1042 LKPIDXSIZE_G(pfconf->rss_pf_map));
1043
1044 seq_puts(seq, " RSS PF VF Hash Tuple Enable Default\n");
1045 seq_puts(seq, " Enable IPF Mask Mask IPv6 IPv4 UDP Queue\n");
1046 seq_puts(seq, " PF Map Chn Prt Map Size Size Four Two Four Two Four Ch1 Ch0\n");
1047 } else {
1048 #define G_PFnLKPIDX(map, n) \
1049 (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
1050 #define G_PFnMSKSIZE(mask, n) \
1051 (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
1052
1053 pfconf = v;
1054 seq_printf(seq, "%3d %3s %3s %3s %3d %3d %3d %3s %3s %3s %3s %3s %3d %3d\n",
1055 idx,
1056 yesno(pfconf->rss_pf_config & MAPENABLE_F),
1057 yesno(pfconf->rss_pf_config & CHNENABLE_F),
1058 yesno(pfconf->rss_pf_config & PRTENABLE_F),
1059 G_PFnLKPIDX(pfconf->rss_pf_map, idx),
1060 G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
1061 IVFWIDTH_G(pfconf->rss_pf_config),
1062 yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
1063 yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
1064 yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
1065 yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
1066 yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
1067 CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
1068 CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
1069
1070 #undef G_PFnLKPIDX
1071 #undef G_PFnMSKSIZE
1072 }
1073 return 0;
1074}
1075
1076static int rss_pf_config_open(struct inode *inode, struct file *file)
1077{
1078 struct adapter *adapter = inode->i_private;
1079 struct seq_tab *p;
1080 u32 rss_pf_map, rss_pf_mask;
1081 struct rss_pf_conf *pfconf;
1082 int pf;
1083
1084 p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
1085 if (!p)
1086 return -ENOMEM;
1087
1088 pfconf = (struct rss_pf_conf *)p->data;
1089 rss_pf_map = t4_read_rss_pf_map(adapter);
1090 rss_pf_mask = t4_read_rss_pf_mask(adapter);
1091 for (pf = 0; pf < 8; pf++) {
1092 pfconf[pf].rss_pf_map = rss_pf_map;
1093 pfconf[pf].rss_pf_mask = rss_pf_mask;
1094 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
1095 }
1096 return 0;
1097}
1098
1099static const struct file_operations rss_pf_config_debugfs_fops = {
1100 .owner = THIS_MODULE,
1101 .open = rss_pf_config_open,
1102 .read = seq_read,
1103 .llseek = seq_lseek,
1104 .release = seq_release_private
1105};
1106
1107/* VF RSS Configuration.
1108 */
1109
1110struct rss_vf_conf {
1111 u32 rss_vf_vfl;
1112 u32 rss_vf_vfh;
1113};
1114
1115static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
1116{
1117 if (v == SEQ_START_TOKEN) {
1118 seq_puts(seq, " RSS Hash Tuple Enable\n");
1119 seq_puts(seq, " Enable IVF Dis Enb IPv6 IPv4 UDP Def Secret Key\n");
1120 seq_puts(seq, " VF Chn Prt Map VLAN uP Four Two Four Two Four Que Idx Hash\n");
1121 } else {
1122 struct rss_vf_conf *vfconf = v;
1123
1124 seq_printf(seq, "%3d %3s %3s %3d %3s %3s %3s %3s %3s %3s %3s %4d %3d %#10x\n",
1125 idx,
1126 yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
1127 yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
1128 VFLKPIDX_G(vfconf->rss_vf_vfh),
1129 yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
1130 yesno(vfconf->rss_vf_vfh & VFUPEN_F),
1131 yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1132 yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
1133 yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1134 yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
1135 yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
1136 DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
1137 KEYINDEX_G(vfconf->rss_vf_vfh),
1138 vfconf->rss_vf_vfl);
1139 }
1140 return 0;
1141}
1142
1143static int rss_vf_config_open(struct inode *inode, struct file *file)
1144{
1145 struct adapter *adapter = inode->i_private;
1146 struct seq_tab *p;
1147 struct rss_vf_conf *vfconf;
1148 int vf;
1149
1150 p = seq_open_tab(file, 128, sizeof(*vfconf), 1, rss_vf_config_show);
1151 if (!p)
1152 return -ENOMEM;
1153
1154 vfconf = (struct rss_vf_conf *)p->data;
1155 for (vf = 0; vf < 128; vf++) {
1156 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
1157 &vfconf[vf].rss_vf_vfh);
1158 }
1159 return 0;
1160}
1161
1162static const struct file_operations rss_vf_config_debugfs_fops = {
1163 .owner = THIS_MODULE,
1164 .open = rss_vf_config_open,
1165 .read = seq_read,
1166 .llseek = seq_lseek,
1167 .release = seq_release_private
1168};
1169
dc9daab2
HS		 1170static int sge_qinfo_show(struct seq_file *seq, void *v)
1171{
1172 struct adapter *adap = seq->private;
1173 int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
1174 int toe_entries = DIV_ROUND_UP(adap->sge.ofldqsets, 4);
1175 int rdma_entries = DIV_ROUND_UP(adap->sge.rdmaqs, 4);
1176 int ciq_entries = DIV_ROUND_UP(adap->sge.rdmaciqs, 4);
1177 int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
1178 int i, r = (uintptr_t)v - 1;
1179 int toe_idx = r - eth_entries;
1180 int rdma_idx = toe_idx - toe_entries;
1181 int ciq_idx = rdma_idx - rdma_entries;
1182 int ctrl_idx = ciq_idx - ciq_entries;
1183 int fq_idx = ctrl_idx - ctrl_entries;
1184
1185 if (r)
1186 seq_putc(seq, '\n');
1187
1188#define S3(fmt_spec, s, v) \
1189do { \
1190 seq_printf(seq, "%-12s", s); \
1191 for (i = 0; i < n; ++i) \
1192 seq_printf(seq, " %16" fmt_spec, v); \
1193 seq_putc(seq, '\n'); \
1194} while (0)
1195#define S(s, v) S3("s", s, v)
1196#define T(s, v) S3("u", s, tx[i].v)
1197#define R(s, v) S3("u", s, rx[i].v)
1198
1199 if (r < eth_entries) {
1200 int base_qset = r * 4;
1201 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
1202 const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
1203 int n = min(4, adap->sge.ethqsets - 4 * r);
1204
1205 S("QType:", "Ethernet");
1206 S("Interface:",
1207 rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
1208 T("TxQ ID:", q.cntxt_id);
1209 T("TxQ size:", q.size);
1210 T("TxQ inuse:", q.in_use);
1211 T("TxQ CIDX:", q.cidx);
1212 T("TxQ PIDX:", q.pidx);
1213#ifdef CONFIG_CXGB4_DCB
1214 T("DCB Prio:", dcb_prio);
1215 S3("u", "DCB PGID:",
1216 (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
1217 4*(7-tx[i].dcb_prio)) & 0xf);
1218 S3("u", "DCB PFC:",
1219 (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
1220 1*(7-tx[i].dcb_prio)) & 0x1);
1221#endif
1222 R("RspQ ID:", rspq.abs_id);
1223 R("RspQ size:", rspq.size);
1224 R("RspQE size:", rspq.iqe_len);
1225 R("RspQ CIDX:", rspq.cidx);
1226 R("RspQ Gen:", rspq.gen);
1227 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1228 S3("u", "Intr pktcnt:",
1229 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1230 R("FL ID:", fl.cntxt_id);
1231 R("FL size:", fl.size - 8);
1232 R("FL pend:", fl.pend_cred);
1233 R("FL avail:", fl.avail);
1234 R("FL PIDX:", fl.pidx);
1235 R("FL CIDX:", fl.cidx);
1236 } else if (toe_idx < toe_entries) {
1237 const struct sge_ofld_rxq *rx = &adap->sge.ofldrxq[toe_idx * 4];
1238 const struct sge_ofld_txq *tx = &adap->sge.ofldtxq[toe_idx * 4];
1239 int n = min(4, adap->sge.ofldqsets - 4 * toe_idx);
1240
1241 S("QType:", "TOE");
1242 T("TxQ ID:", q.cntxt_id);
1243 T("TxQ size:", q.size);
1244 T("TxQ inuse:", q.in_use);
1245 T("TxQ CIDX:", q.cidx);
1246 T("TxQ PIDX:", q.pidx);
1247 R("RspQ ID:", rspq.abs_id);
1248 R("RspQ size:", rspq.size);
1249 R("RspQE size:", rspq.iqe_len);
1250 R("RspQ CIDX:", rspq.cidx);
1251 R("RspQ Gen:", rspq.gen);
1252 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1253 S3("u", "Intr pktcnt:",
1254 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1255 R("FL ID:", fl.cntxt_id);
1256 R("FL size:", fl.size - 8);
1257 R("FL pend:", fl.pend_cred);
1258 R("FL avail:", fl.avail);
1259 R("FL PIDX:", fl.pidx);
1260 R("FL CIDX:", fl.cidx);
1261 } else if (rdma_idx < rdma_entries) {
1262 const struct sge_ofld_rxq *rx =
1263 &adap->sge.rdmarxq[rdma_idx * 4];
1264 int n = min(4, adap->sge.rdmaqs - 4 * rdma_idx);
1265
1266 S("QType:", "RDMA-CPL");
1267 R("RspQ ID:", rspq.abs_id);
1268 R("RspQ size:", rspq.size);
1269 R("RspQE size:", rspq.iqe_len);
1270 R("RspQ CIDX:", rspq.cidx);
1271 R("RspQ Gen:", rspq.gen);
1272 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1273 S3("u", "Intr pktcnt:",
1274 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1275 R("FL ID:", fl.cntxt_id);
1276 R("FL size:", fl.size - 8);
1277 R("FL pend:", fl.pend_cred);
1278 R("FL avail:", fl.avail);
1279 R("FL PIDX:", fl.pidx);
1280 R("FL CIDX:", fl.cidx);
1281 } else if (ciq_idx < ciq_entries) {
1282 const struct sge_ofld_rxq *rx = &adap->sge.rdmaciq[ciq_idx * 4];
1283 int n = min(4, adap->sge.rdmaciqs - 4 * ciq_idx);
1284
1285 S("QType:", "RDMA-CIQ");
1286 R("RspQ ID:", rspq.abs_id);
1287 R("RspQ size:", rspq.size);
1288 R("RspQE size:", rspq.iqe_len);
1289 R("RspQ CIDX:", rspq.cidx);
1290 R("RspQ Gen:", rspq.gen);
1291 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1292 S3("u", "Intr pktcnt:",
1293 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1294 } else if (ctrl_idx < ctrl_entries) {
1295 const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
1296 int n = min(4, adap->params.nports - 4 * ctrl_idx);
1297
1298 S("QType:", "Control");
1299 T("TxQ ID:", q.cntxt_id);
1300 T("TxQ size:", q.size);
1301 T("TxQ inuse:", q.in_use);
1302 T("TxQ CIDX:", q.cidx);
1303 T("TxQ PIDX:", q.pidx);
1304 } else if (fq_idx == 0) {
1305 const struct sge_rspq *evtq = &adap->sge.fw_evtq;
1306
1307 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
1308 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
1309 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
1310 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
1311 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
1312 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
1313 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
1314 qtimer_val(adap, evtq));
1315 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
1316 adap->sge.counter_val[evtq->pktcnt_idx]);
1317 }
1318#undef R
1319#undef T
1320#undef S
1321#undef S3
1322return 0;
1323}
1324
1325static int sge_queue_entries(const struct adapter *adap)
1326{
1327 return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
1328 DIV_ROUND_UP(adap->sge.ofldqsets, 4) +
1329 DIV_ROUND_UP(adap->sge.rdmaqs, 4) +
1330 DIV_ROUND_UP(adap->sge.rdmaciqs, 4) +
1331 DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
1332}
1333
1334static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
1335{
1336 int entries = sge_queue_entries(seq->private);
1337
1338 return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1339}
1340
1341static void sge_queue_stop(struct seq_file *seq, void *v)
1342{
1343}
1344
1345static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
1346{
1347 int entries = sge_queue_entries(seq->private);
1348
1349 ++*pos;
1350 return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1351}
1352
1353static const struct seq_operations sge_qinfo_seq_ops = {
1354 .start = sge_queue_start,
1355 .next = sge_queue_next,
1356 .stop = sge_queue_stop,
1357 .show = sge_qinfo_show
1358};
1359
1360static int sge_qinfo_open(struct inode *inode, struct file *file)
1361{
1362 int res = seq_open(file, &sge_qinfo_seq_ops);
1363
1364 if (!res) {
1365 struct seq_file *seq = file->private_data;
1366
1367 seq->private = inode->i_private;
1368 }
1369 return res;
1370}
1371
1372static const struct file_operations sge_qinfo_debugfs_fops = {
1373 .owner = THIS_MODULE,
1374 .open = sge_qinfo_open,
1375 .read = seq_read,
1376 .llseek = seq_lseek,
1377 .release = seq_release,
1378};
1379
49216c1c
HS		 1380int mem_open(struct inode *inode, struct file *file)
1381{
1382 unsigned int mem;
1383 struct adapter *adap;
1384
1385 file->private_data = inode->i_private;
1386
1387 mem = (uintptr_t)file->private_data & 0x3;
1388 adap = file->private_data - mem;
1389
1390 (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
1391
1392 return 0;
1393}
1394
fd88b31a
HS		 1395static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
1396 loff_t *ppos)
1397{
1398 loff_t pos = *ppos;
1399 loff_t avail = file_inode(file)->i_size;
1400 unsigned int mem = (uintptr_t)file->private_data & 3;
1401 struct adapter *adap = file->private_data - mem;
1402 __be32 *data;
1403 int ret;
1404
1405 if (pos < 0)
1406 return -EINVAL;
1407 if (pos >= avail)
1408 return 0;
1409 if (count > avail - pos)
1410 count = avail - pos;
1411
1412 data = t4_alloc_mem(count);
1413 if (!data)
1414 return -ENOMEM;
1415
1416 spin_lock(&adap->win0_lock);
1417 ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
1418 spin_unlock(&adap->win0_lock);
1419 if (ret) {
1420 t4_free_mem(data);
1421 return ret;
1422 }
1423 ret = copy_to_user(buf, data, count);
1424
1425 t4_free_mem(data);
1426 if (ret)
1427 return -EFAULT;
1428
1429 *ppos = pos + count;
1430 return count;
1431}
fd88b31a
HS		 1432static const struct file_operations mem_debugfs_fops = {
1433 .owner = THIS_MODULE,
1434 .open = simple_open,
1435 .read = mem_read,
1436 .llseek = default_llseek,
1437};
1438
49216c1c
HS		 1439static void set_debugfs_file_size(struct dentry *de, loff_t size)
1440{
1441 if (!IS_ERR(de) && de->d_inode)
1442 de->d_inode->i_size = size;
1443}
1444
fd88b31a
HS		 1445static void add_debugfs_mem(struct adapter *adap, const char *name,
1446 unsigned int idx, unsigned int size_mb)
1447{
1448 struct dentry *de;
1449
1450 de = debugfs_create_file(name, S_IRUSR, adap->debugfs_root,
1451 (void *)adap + idx, &mem_debugfs_fops);
1452 if (de && de->d_inode)
1453 de->d_inode->i_size = size_mb << 20;
1454}
1455
1456/* Add an array of Debug FS files.
1457 */
1458void add_debugfs_files(struct adapter *adap,
1459 struct t4_debugfs_entry *files,
1460 unsigned int nfiles)
1461{
1462 int i;
1463
1464 /* debugfs support is best effort */
1465 for (i = 0; i < nfiles; i++)
1466 debugfs_create_file(files[i].name, files[i].mode,
1467 adap->debugfs_root,
1468 (void *)adap + files[i].data,
1469 files[i].ops);
1470}
1471
1472int t4_setup_debugfs(struct adapter *adap)
1473{
1474 int i;
1475 u32 size;
49216c1c 1476 struct dentry *de;
fd88b31a
HS		 1477
1478 static struct t4_debugfs_entry t4_debugfs_files[] = {
f1ff24aa 1479 { "cim_la", &cim_la_fops, S_IRUSR, 0 },
74b3092c 1480 { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
49aa284f 1481 { "devlog", &devlog_fops, S_IRUSR, 0 },
fd88b31a 1482 { "l2t", &t4_l2t_fops, S_IRUSR, 0},
ef82f662 1483 { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
688ea5fe
HS		 1484 { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
1485 { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
1486 { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
1487 { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
1488 { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
dc9daab2 1489 { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
e5f0e43b
HS		 1490 { "ibq_tp0", &cim_ibq_fops, S_IRUSR, 0 },
1491 { "ibq_tp1", &cim_ibq_fops, S_IRUSR, 1 },
1492 { "ibq_ulp", &cim_ibq_fops, S_IRUSR, 2 },
1493 { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
1494 { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
1495 { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
c778af7d
HS		 1496 { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
1497 { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
1498 { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
1499 { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
1500 { "obq_sge", &cim_obq_fops, S_IRUSR, 4 },
1501 { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
b3bbe36a 1502 { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
b5a02f50
AB		 1503#if IS_ENABLED(CONFIG_IPV6)
1504 { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
1505#endif
fd88b31a
HS		 1506 };
1507
c778af7d
HS		 1508 /* Debug FS nodes common to all T5 and later adapters.
1509 */
1510 static struct t4_debugfs_entry t5_debugfs_files[] = {
1511 { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
1512 { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
1513 };
1514
fd88b31a
HS		 1515 add_debugfs_files(adap,
1516 t4_debugfs_files,
1517 ARRAY_SIZE(t4_debugfs_files));
c778af7d
HS		 1518 if (!is_t4(adap->params.chip))
1519 add_debugfs_files(adap,
1520 t5_debugfs_files,
1521 ARRAY_SIZE(t5_debugfs_files));
fd88b31a 1522
6559a7e8
HS		 1523 i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
1524 if (i & EDRAM0_ENABLE_F) {
1525 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
1526 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
fd88b31a 1527 }
6559a7e8
HS		 1528 if (i & EDRAM1_ENABLE_F) {
1529 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
1530 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
fd88b31a
HS		 1531 }
1532 if (is_t4(adap->params.chip)) {
6559a7e8
HS		 1533 size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
1534 if (i & EXT_MEM_ENABLE_F)
fd88b31a 1535 add_debugfs_mem(adap, "mc", MEM_MC,
6559a7e8 1536 EXT_MEM_SIZE_G(size));
fd88b31a 1537 } else {
6559a7e8
HS		 1538 if (i & EXT_MEM0_ENABLE_F) {
1539 size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
fd88b31a 1540 add_debugfs_mem(adap, "mc0", MEM_MC0,
6559a7e8 1541 EXT_MEM0_SIZE_G(size));
fd88b31a 1542 }
6559a7e8
HS		 1543 if (i & EXT_MEM1_ENABLE_F) {
1544 size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
fd88b31a 1545 add_debugfs_mem(adap, "mc1", MEM_MC1,
6559a7e8 1546 EXT_MEM1_SIZE_G(size));
fd88b31a
HS		 1547 }
1548 }
49216c1c
HS		 1549
1550 de = debugfs_create_file("flash", S_IRUSR, adap->debugfs_root, adap,
1551 &flash_debugfs_fops);
1552 set_debugfs_file_size(de, adap->params.sf_size);
1553
fd88b31a
HS		 1554 return 0;
1555}
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git