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[thirdparty/kernel/stable.git] / drivers / net / ethernet / chelsio / cxgb4 / cxgb4_debugfs.c
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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"
bf7c781d 43#include "t4_values.h"
fd88b31a
HS		 44#include "t4fw_api.h"
45#include "cxgb4_debugfs.h"
b5a02f50 46#include "clip_tbl.h"
fd88b31a
HS		 47#include "l2t.h"
48
f1ff24aa
HS		 49/* generic seq_file support for showing a table of size rows x width. */
50static void *seq_tab_get_idx(struct seq_tab *tb, loff_t pos)
51{
52 pos -= tb->skip_first;
53 return pos >= tb->rows ? NULL : &tb->data[pos * tb->width];
54}
55
56static void *seq_tab_start(struct seq_file *seq, loff_t *pos)
57{
58 struct seq_tab *tb = seq->private;
59
60 if (tb->skip_first && *pos == 0)
61 return SEQ_START_TOKEN;
62
63 return seq_tab_get_idx(tb, *pos);
64}
65
66static void *seq_tab_next(struct seq_file *seq, void *v, loff_t *pos)
67{
68 v = seq_tab_get_idx(seq->private, *pos + 1);
69 if (v)
70 ++*pos;
71 return v;
72}
73
74static void seq_tab_stop(struct seq_file *seq, void *v)
75{
76}
77
78static int seq_tab_show(struct seq_file *seq, void *v)
79{
80 const struct seq_tab *tb = seq->private;
81
82 return tb->show(seq, v, ((char *)v - tb->data) / tb->width);
83}
84
85static const struct seq_operations seq_tab_ops = {
86 .start = seq_tab_start,
87 .next = seq_tab_next,
88 .stop = seq_tab_stop,
89 .show = seq_tab_show
90};
91
92struct seq_tab *seq_open_tab(struct file *f, unsigned int rows,
93 unsigned int width, unsigned int have_header,
94 int (*show)(struct seq_file *seq, void *v, int i))
95{
96 struct seq_tab *p;
97
98 p = __seq_open_private(f, &seq_tab_ops, sizeof(*p) + rows * width);
99 if (p) {
100 p->show = show;
101 p->rows = rows;
102 p->width = width;
103 p->skip_first = have_header != 0;
104 }
105 return p;
106}
107
c778af7d
HS		 108/* Trim the size of a seq_tab to the supplied number of rows. The operation is
109 * irreversible.
110 */
111static int seq_tab_trim(struct seq_tab *p, unsigned int new_rows)
112{
113 if (new_rows > p->rows)
114 return -EINVAL;
115 p->rows = new_rows;
116 return 0;
117}
118
f1ff24aa
HS		 119static int cim_la_show(struct seq_file *seq, void *v, int idx)
120{
121 if (v == SEQ_START_TOKEN)
122 seq_puts(seq, "Status Data PC LS0Stat LS0Addr "
123 " LS0Data\n");
124 else {
125 const u32 *p = v;
126
127 seq_printf(seq,
128 " %02x %x%07x %x%07x %08x %08x %08x%08x%08x%08x\n",
129 (p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
130 p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
131 p[6], p[7]);
132 }
133 return 0;
134}
135
136static int cim_la_show_3in1(struct seq_file *seq, void *v, int idx)
137{
138 if (v == SEQ_START_TOKEN) {
139 seq_puts(seq, "Status Data PC\n");
140 } else {
141 const u32 *p = v;
142
143 seq_printf(seq, " %02x %08x %08x\n", p[5] & 0xff, p[6],
144 p[7]);
145 seq_printf(seq, " %02x %02x%06x %02x%06x\n",
146 (p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
147 p[4] & 0xff, p[5] >> 8);
148 seq_printf(seq, " %02x %x%07x %x%07x\n", (p[0] >> 4) & 0xff,
149 p[0] & 0xf, p[1] >> 4, p[1] & 0xf, p[2] >> 4);
150 }
151 return 0;
152}
153
154static int cim_la_open(struct inode *inode, struct file *file)
155{
156 int ret;
157 unsigned int cfg;
158 struct seq_tab *p;
159 struct adapter *adap = inode->i_private;
160
161 ret = t4_cim_read(adap, UP_UP_DBG_LA_CFG_A, 1, &cfg);
162 if (ret)
163 return ret;
164
165 p = seq_open_tab(file, adap->params.cim_la_size / 8, 8 * sizeof(u32), 1,
166 cfg & UPDBGLACAPTPCONLY_F ?
167 cim_la_show_3in1 : cim_la_show);
168 if (!p)
169 return -ENOMEM;
170
171 ret = t4_cim_read_la(adap, (u32 *)p->data, NULL);
172 if (ret)
173 seq_release_private(inode, file);
174 return ret;
175}
176
177static const struct file_operations cim_la_fops = {
178 .owner = THIS_MODULE,
179 .open = cim_la_open,
180 .read = seq_read,
181 .llseek = seq_lseek,
182 .release = seq_release_private
183};
184
74b3092c
HS		 185static int cim_qcfg_show(struct seq_file *seq, void *v)
186{
187 static const char * const qname[] = {
188 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
189 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
190 "SGE0-RX", "SGE1-RX"
191 };
192
193 int i;
194 struct adapter *adap = seq->private;
195 u16 base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
196 u16 size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
197 u32 stat[(4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5))];
198 u16 thres[CIM_NUM_IBQ];
199 u32 obq_wr_t4[2 * CIM_NUM_OBQ], *wr;
200 u32 obq_wr_t5[2 * CIM_NUM_OBQ_T5];
201 u32 *p = stat;
202 int cim_num_obq = is_t4(adap->params.chip) ?
203 CIM_NUM_OBQ : CIM_NUM_OBQ_T5;
204
205 i = t4_cim_read(adap, is_t4(adap->params.chip) ? UP_IBQ_0_RDADDR_A :
206 UP_IBQ_0_SHADOW_RDADDR_A,
207 ARRAY_SIZE(stat), stat);
208 if (!i) {
209 if (is_t4(adap->params.chip)) {
210 i = t4_cim_read(adap, UP_OBQ_0_REALADDR_A,
211 ARRAY_SIZE(obq_wr_t4), obq_wr_t4);
212 wr = obq_wr_t4;
213 } else {
214 i = t4_cim_read(adap, UP_OBQ_0_SHADOW_REALADDR_A,
215 ARRAY_SIZE(obq_wr_t5), obq_wr_t5);
216 wr = obq_wr_t5;
217 }
218 }
219 if (i)
220 return i;
221
222 t4_read_cimq_cfg(adap, base, size, thres);
223
224 seq_printf(seq,
225 " Queue Base Size Thres RdPtr WrPtr SOP EOP Avail\n");
226 for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
227 seq_printf(seq, "%7s %5x %5u %5u %6x %4x %4u %4u %5u\n",
228 qname[i], base[i], size[i], thres[i],
229 IBQRDADDR_G(p[0]), IBQWRADDR_G(p[1]),
230 QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
231 QUEREMFLITS_G(p[2]) * 16);
232 for ( ; i < CIM_NUM_IBQ + cim_num_obq; i++, p += 4, wr += 2)
233 seq_printf(seq, "%7s %5x %5u %12x %4x %4u %4u %5u\n",
234 qname[i], base[i], size[i],
235 QUERDADDR_G(p[0]) & 0x3fff, wr[0] - base[i],
236 QUESOPCNT_G(p[3]), QUEEOPCNT_G(p[3]),
237 QUEREMFLITS_G(p[2]) * 16);
238 return 0;
239}
240
241static int cim_qcfg_open(struct inode *inode, struct file *file)
242{
243 return single_open(file, cim_qcfg_show, inode->i_private);
244}
245
246static const struct file_operations cim_qcfg_fops = {
247 .owner = THIS_MODULE,
248 .open = cim_qcfg_open,
249 .read = seq_read,
250 .llseek = seq_lseek,
251 .release = single_release,
252};
253
e5f0e43b
HS		 254static int cimq_show(struct seq_file *seq, void *v, int idx)
255{
256 const u32 *p = v;
257
258 seq_printf(seq, "%#06x: %08x %08x %08x %08x\n", idx * 16, p[0], p[1],
259 p[2], p[3]);
260 return 0;
261}
262
263static int cim_ibq_open(struct inode *inode, struct file *file)
264{
265 int ret;
266 struct seq_tab *p;
267 unsigned int qid = (uintptr_t)inode->i_private & 7;
268 struct adapter *adap = inode->i_private - qid;
269
270 p = seq_open_tab(file, CIM_IBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
271 if (!p)
272 return -ENOMEM;
273
274 ret = t4_read_cim_ibq(adap, qid, (u32 *)p->data, CIM_IBQ_SIZE * 4);
275 if (ret < 0)
276 seq_release_private(inode, file);
277 else
278 ret = 0;
279 return ret;
280}
281
282static const struct file_operations cim_ibq_fops = {
283 .owner = THIS_MODULE,
284 .open = cim_ibq_open,
285 .read = seq_read,
286 .llseek = seq_lseek,
287 .release = seq_release_private
288};
289
c778af7d
HS		 290static int cim_obq_open(struct inode *inode, struct file *file)
291{
292 int ret;
293 struct seq_tab *p;
294 unsigned int qid = (uintptr_t)inode->i_private & 7;
295 struct adapter *adap = inode->i_private - qid;
296
297 p = seq_open_tab(file, 6 * CIM_OBQ_SIZE, 4 * sizeof(u32), 0, cimq_show);
298 if (!p)
299 return -ENOMEM;
300
301 ret = t4_read_cim_obq(adap, qid, (u32 *)p->data, 6 * CIM_OBQ_SIZE * 4);
302 if (ret < 0) {
303 seq_release_private(inode, file);
304 } else {
305 seq_tab_trim(p, ret / 4);
306 ret = 0;
307 }
308 return ret;
309}
310
311static const struct file_operations cim_obq_fops = {
312 .owner = THIS_MODULE,
313 .open = cim_obq_open,
314 .read = seq_read,
315 .llseek = seq_lseek,
316 .release = seq_release_private
317};
318
2d277b3b
HS		 319struct field_desc {
320 const char *name;
321 unsigned int start;
322 unsigned int width;
323};
324
325static void field_desc_show(struct seq_file *seq, u64 v,
326 const struct field_desc *p)
327{
328 char buf[32];
329 int line_size = 0;
330
331 while (p->name) {
332 u64 mask = (1ULL << p->width) - 1;
333 int len = scnprintf(buf, sizeof(buf), "%s: %llu", p->name,
334 ((unsigned long long)v >> p->start) & mask);
335
336 if (line_size + len >= 79) {
337 line_size = 8;
338 seq_puts(seq, "\n ");
339 }
340 seq_printf(seq, "%s ", buf);
341 line_size += len + 1;
342 p++;
343 }
344 seq_putc(seq, '\n');
345}
346
347static struct field_desc tp_la0[] = {
348 { "RcfOpCodeOut", 60, 4 },
349 { "State", 56, 4 },
350 { "WcfState", 52, 4 },
351 { "RcfOpcSrcOut", 50, 2 },
352 { "CRxError", 49, 1 },
353 { "ERxError", 48, 1 },
354 { "SanityFailed", 47, 1 },
355 { "SpuriousMsg", 46, 1 },
356 { "FlushInputMsg", 45, 1 },
357 { "FlushInputCpl", 44, 1 },
358 { "RssUpBit", 43, 1 },
359 { "RssFilterHit", 42, 1 },
360 { "Tid", 32, 10 },
361 { "InitTcb", 31, 1 },
362 { "LineNumber", 24, 7 },
363 { "Emsg", 23, 1 },
364 { "EdataOut", 22, 1 },
365 { "Cmsg", 21, 1 },
366 { "CdataOut", 20, 1 },
367 { "EreadPdu", 19, 1 },
368 { "CreadPdu", 18, 1 },
369 { "TunnelPkt", 17, 1 },
370 { "RcfPeerFin", 16, 1 },
371 { "RcfReasonOut", 12, 4 },
372 { "TxCchannel", 10, 2 },
373 { "RcfTxChannel", 8, 2 },
374 { "RxEchannel", 6, 2 },
375 { "RcfRxChannel", 5, 1 },
376 { "RcfDataOutSrdy", 4, 1 },
377 { "RxDvld", 3, 1 },
378 { "RxOoDvld", 2, 1 },
379 { "RxCongestion", 1, 1 },
380 { "TxCongestion", 0, 1 },
381 { NULL }
382};
383
384static int tp_la_show(struct seq_file *seq, void *v, int idx)
385{
386 const u64 *p = v;
387
388 field_desc_show(seq, *p, tp_la0);
389 return 0;
390}
391
392static int tp_la_show2(struct seq_file *seq, void *v, int idx)
393{
394 const u64 *p = v;
395
396 if (idx)
397 seq_putc(seq, '\n');
398 field_desc_show(seq, p[0], tp_la0);
399 if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
400 field_desc_show(seq, p[1], tp_la0);
401 return 0;
402}
403
404static int tp_la_show3(struct seq_file *seq, void *v, int idx)
405{
406 static struct field_desc tp_la1[] = {
407 { "CplCmdIn", 56, 8 },
408 { "CplCmdOut", 48, 8 },
409 { "ESynOut", 47, 1 },
410 { "EAckOut", 46, 1 },
411 { "EFinOut", 45, 1 },
412 { "ERstOut", 44, 1 },
413 { "SynIn", 43, 1 },
414 { "AckIn", 42, 1 },
415 { "FinIn", 41, 1 },
416 { "RstIn", 40, 1 },
417 { "DataIn", 39, 1 },
418 { "DataInVld", 38, 1 },
419 { "PadIn", 37, 1 },
420 { "RxBufEmpty", 36, 1 },
421 { "RxDdp", 35, 1 },
422 { "RxFbCongestion", 34, 1 },
423 { "TxFbCongestion", 33, 1 },
424 { "TxPktSumSrdy", 32, 1 },
425 { "RcfUlpType", 28, 4 },
426 { "Eread", 27, 1 },
427 { "Ebypass", 26, 1 },
428 { "Esave", 25, 1 },
429 { "Static0", 24, 1 },
430 { "Cread", 23, 1 },
431 { "Cbypass", 22, 1 },
432 { "Csave", 21, 1 },
433 { "CPktOut", 20, 1 },
434 { "RxPagePoolFull", 18, 2 },
435 { "RxLpbkPkt", 17, 1 },
436 { "TxLpbkPkt", 16, 1 },
437 { "RxVfValid", 15, 1 },
438 { "SynLearned", 14, 1 },
439 { "SetDelEntry", 13, 1 },
440 { "SetInvEntry", 12, 1 },
441 { "CpcmdDvld", 11, 1 },
442 { "CpcmdSave", 10, 1 },
443 { "RxPstructsFull", 8, 2 },
444 { "EpcmdDvld", 7, 1 },
445 { "EpcmdFlush", 6, 1 },
446 { "EpcmdTrimPrefix", 5, 1 },
447 { "EpcmdTrimPostfix", 4, 1 },
448 { "ERssIp4Pkt", 3, 1 },
449 { "ERssIp6Pkt", 2, 1 },
450 { "ERssTcpUdpPkt", 1, 1 },
451 { "ERssFceFipPkt", 0, 1 },
452 { NULL }
453 };
454 static struct field_desc tp_la2[] = {
455 { "CplCmdIn", 56, 8 },
456 { "MpsVfVld", 55, 1 },
457 { "MpsPf", 52, 3 },
458 { "MpsVf", 44, 8 },
459 { "SynIn", 43, 1 },
460 { "AckIn", 42, 1 },
461 { "FinIn", 41, 1 },
462 { "RstIn", 40, 1 },
463 { "DataIn", 39, 1 },
464 { "DataInVld", 38, 1 },
465 { "PadIn", 37, 1 },
466 { "RxBufEmpty", 36, 1 },
467 { "RxDdp", 35, 1 },
468 { "RxFbCongestion", 34, 1 },
469 { "TxFbCongestion", 33, 1 },
470 { "TxPktSumSrdy", 32, 1 },
471 { "RcfUlpType", 28, 4 },
472 { "Eread", 27, 1 },
473 { "Ebypass", 26, 1 },
474 { "Esave", 25, 1 },
475 { "Static0", 24, 1 },
476 { "Cread", 23, 1 },
477 { "Cbypass", 22, 1 },
478 { "Csave", 21, 1 },
479 { "CPktOut", 20, 1 },
480 { "RxPagePoolFull", 18, 2 },
481 { "RxLpbkPkt", 17, 1 },
482 { "TxLpbkPkt", 16, 1 },
483 { "RxVfValid", 15, 1 },
484 { "SynLearned", 14, 1 },
485 { "SetDelEntry", 13, 1 },
486 { "SetInvEntry", 12, 1 },
487 { "CpcmdDvld", 11, 1 },
488 { "CpcmdSave", 10, 1 },
489 { "RxPstructsFull", 8, 2 },
490 { "EpcmdDvld", 7, 1 },
491 { "EpcmdFlush", 6, 1 },
492 { "EpcmdTrimPrefix", 5, 1 },
493 { "EpcmdTrimPostfix", 4, 1 },
494 { "ERssIp4Pkt", 3, 1 },
495 { "ERssIp6Pkt", 2, 1 },
496 { "ERssTcpUdpPkt", 1, 1 },
497 { "ERssFceFipPkt", 0, 1 },
498 { NULL }
499 };
500 const u64 *p = v;
501
502 if (idx)
503 seq_putc(seq, '\n');
504 field_desc_show(seq, p[0], tp_la0);
505 if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
506 field_desc_show(seq, p[1], (p[0] & BIT(17)) ? tp_la2 : tp_la1);
507 return 0;
508}
509
510static int tp_la_open(struct inode *inode, struct file *file)
511{
512 struct seq_tab *p;
513 struct adapter *adap = inode->i_private;
514
515 switch (DBGLAMODE_G(t4_read_reg(adap, TP_DBG_LA_CONFIG_A))) {
516 case 2:
517 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
518 tp_la_show2);
519 break;
520 case 3:
521 p = seq_open_tab(file, TPLA_SIZE / 2, 2 * sizeof(u64), 0,
522 tp_la_show3);
523 break;
524 default:
525 p = seq_open_tab(file, TPLA_SIZE, sizeof(u64), 0, tp_la_show);
526 }
527 if (!p)
528 return -ENOMEM;
529
530 t4_tp_read_la(adap, (u64 *)p->data, NULL);
531 return 0;
532}
533
534static ssize_t tp_la_write(struct file *file, const char __user *buf,
535 size_t count, loff_t *pos)
536{
537 int err;
538 char s[32];
539 unsigned long val;
540 size_t size = min(sizeof(s) - 1, count);
541 struct adapter *adap = FILE_DATA(file)->i_private;
542
543 if (copy_from_user(s, buf, size))
544 return -EFAULT;
545 s[size] = '\0';
546 err = kstrtoul(s, 0, &val);
547 if (err)
548 return err;
549 if (val > 0xffff)
550 return -EINVAL;
551 adap->params.tp.la_mask = val << 16;
552 t4_set_reg_field(adap, TP_DBG_LA_CONFIG_A, 0xffff0000U,
553 adap->params.tp.la_mask);
554 return count;
555}
556
557static const struct file_operations tp_la_fops = {
558 .owner = THIS_MODULE,
559 .open = tp_la_open,
560 .read = seq_read,
561 .llseek = seq_lseek,
562 .release = seq_release_private,
563 .write = tp_la_write
564};
565
797ff0f5
HS		 566static int ulprx_la_show(struct seq_file *seq, void *v, int idx)
567{
568 const u32 *p = v;
569
570 if (v == SEQ_START_TOKEN)
571 seq_puts(seq, " Pcmd Type Message"
572 " Data\n");
573 else
574 seq_printf(seq, "%08x%08x %4x %08x %08x%08x%08x%08x\n",
575 p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
576 return 0;
577}
578
579static int ulprx_la_open(struct inode *inode, struct file *file)
580{
581 struct seq_tab *p;
582 struct adapter *adap = inode->i_private;
583
584 p = seq_open_tab(file, ULPRX_LA_SIZE, 8 * sizeof(u32), 1,
585 ulprx_la_show);
586 if (!p)
587 return -ENOMEM;
588
589 t4_ulprx_read_la(adap, (u32 *)p->data);
590 return 0;
591}
592
593static const struct file_operations ulprx_la_fops = {
594 .owner = THIS_MODULE,
595 .open = ulprx_la_open,
596 .read = seq_read,
597 .llseek = seq_lseek,
598 .release = seq_release_private
599};
600
b3bbe36a
HS		 601/* Show the PM memory stats. These stats include:
602 *
603 * TX:
604 * Read: memory read operation
605 * Write Bypass: cut-through
606 * Bypass + mem: cut-through and save copy
607 *
608 * RX:
609 * Read: memory read
610 * Write Bypass: cut-through
611 * Flush: payload trim or drop
612 */
613static int pm_stats_show(struct seq_file *seq, void *v)
614{
615 static const char * const tx_pm_stats[] = {
616 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
617 };
618 static const char * const rx_pm_stats[] = {
619 "Read:", "Write bypass:", "Write mem:", "Flush:"
620 };
621
622 int i;
623 u32 tx_cnt[PM_NSTATS], rx_cnt[PM_NSTATS];
624 u64 tx_cyc[PM_NSTATS], rx_cyc[PM_NSTATS];
625 struct adapter *adap = seq->private;
626
627 t4_pmtx_get_stats(adap, tx_cnt, tx_cyc);
628 t4_pmrx_get_stats(adap, rx_cnt, rx_cyc);
629
630 seq_printf(seq, "%13s %10s %20s\n", " ", "Tx pcmds", "Tx bytes");
631 for (i = 0; i < PM_NSTATS - 1; i++)
632 seq_printf(seq, "%-13s %10u %20llu\n",
633 tx_pm_stats[i], tx_cnt[i], tx_cyc[i]);
634
635 seq_printf(seq, "%13s %10s %20s\n", " ", "Rx pcmds", "Rx bytes");
636 for (i = 0; i < PM_NSTATS - 1; i++)
637 seq_printf(seq, "%-13s %10u %20llu\n",
638 rx_pm_stats[i], rx_cnt[i], rx_cyc[i]);
639 return 0;
640}
641
642static int pm_stats_open(struct inode *inode, struct file *file)
643{
644 return single_open(file, pm_stats_show, inode->i_private);
645}
646
647static ssize_t pm_stats_clear(struct file *file, const char __user *buf,
648 size_t count, loff_t *pos)
649{
650 struct adapter *adap = FILE_DATA(file)->i_private;
651
652 t4_write_reg(adap, PM_RX_STAT_CONFIG_A, 0);
653 t4_write_reg(adap, PM_TX_STAT_CONFIG_A, 0);
654 return count;
655}
656
657static const struct file_operations pm_stats_debugfs_fops = {
658 .owner = THIS_MODULE,
659 .open = pm_stats_open,
660 .read = seq_read,
661 .llseek = seq_lseek,
662 .release = single_release,
663 .write = pm_stats_clear
664};
665
bad43792
HS		 666static int cctrl_tbl_show(struct seq_file *seq, void *v)
667{
668 static const char * const dec_fac[] = {
669 "0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
670 "0.9375" };
671
672 int i;
dde93dfe 673 u16 (*incr)[NCCTRL_WIN];
bad43792
HS		 674 struct adapter *adap = seq->private;
675
dde93dfe
HS		 676 incr = kmalloc(sizeof(*incr) * NMTUS, GFP_KERNEL);
677 if (!incr)
678 return -ENOMEM;
679
bad43792
HS		 680 t4_read_cong_tbl(adap, incr);
681
682 for (i = 0; i < NCCTRL_WIN; ++i) {
683 seq_printf(seq, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
684 incr[0][i], incr[1][i], incr[2][i], incr[3][i],
685 incr[4][i], incr[5][i], incr[6][i], incr[7][i]);
686 seq_printf(seq, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
687 incr[8][i], incr[9][i], incr[10][i], incr[11][i],
688 incr[12][i], incr[13][i], incr[14][i], incr[15][i],
689 adap->params.a_wnd[i],
690 dec_fac[adap->params.b_wnd[i]]);
691 }
dde93dfe
HS		 692
693 kfree(incr);
bad43792
HS		 694 return 0;
695}
696
697DEFINE_SIMPLE_DEBUGFS_FILE(cctrl_tbl);
698
b58b6676
HS		 699/* Format a value in a unit that differs from the value's native unit by the
700 * given factor.
701 */
702static char *unit_conv(char *buf, size_t len, unsigned int val,
703 unsigned int factor)
704{
705 unsigned int rem = val % factor;
706
707 if (rem == 0) {
708 snprintf(buf, len, "%u", val / factor);
709 } else {
710 while (rem % 10 == 0)
711 rem /= 10;
712 snprintf(buf, len, "%u.%u", val / factor, rem);
713 }
714 return buf;
715}
716
717static int clk_show(struct seq_file *seq, void *v)
718{
719 char buf[32];
720 struct adapter *adap = seq->private;
721 unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk; /* in ps */
722 u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
723 unsigned int tre = TIMERRESOLUTION_G(res);
724 unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
725 unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
726
727 seq_printf(seq, "Core clock period: %s ns\n",
728 unit_conv(buf, sizeof(buf), cclk_ps, 1000));
729 seq_printf(seq, "TP timer tick: %s us\n",
730 unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
731 seq_printf(seq, "TCP timestamp tick: %s us\n",
732 unit_conv(buf, sizeof(buf),
733 (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
734 seq_printf(seq, "DACK tick: %s us\n",
735 unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
736 seq_printf(seq, "DACK timer: %u us\n",
737 ((cclk_ps << dack_re) / 1000000) *
738 t4_read_reg(adap, TP_DACK_TIMER_A));
739 seq_printf(seq, "Retransmit min: %llu us\n",
740 tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
741 seq_printf(seq, "Retransmit max: %llu us\n",
742 tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
743 seq_printf(seq, "Persist timer min: %llu us\n",
744 tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
745 seq_printf(seq, "Persist timer max: %llu us\n",
746 tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
747 seq_printf(seq, "Keepalive idle timer: %llu us\n",
748 tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
749 seq_printf(seq, "Keepalive interval: %llu us\n",
750 tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
751 seq_printf(seq, "Initial SRTT: %llu us\n",
752 tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
753 seq_printf(seq, "FINWAIT2 timer: %llu us\n",
754 tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
755
756 return 0;
757}
758
759DEFINE_SIMPLE_DEBUGFS_FILE(clk);
760
f1ff24aa 761/* Firmware Device Log dump. */
49aa284f
HS		 762static const char * const devlog_level_strings[] = {
763 [FW_DEVLOG_LEVEL_EMERG] = "EMERG",
764 [FW_DEVLOG_LEVEL_CRIT] = "CRIT",
765 [FW_DEVLOG_LEVEL_ERR] = "ERR",
766 [FW_DEVLOG_LEVEL_NOTICE] = "NOTICE",
767 [FW_DEVLOG_LEVEL_INFO] = "INFO",
768 [FW_DEVLOG_LEVEL_DEBUG] = "DEBUG"
769};
770
771static const char * const devlog_facility_strings[] = {
772 [FW_DEVLOG_FACILITY_CORE] = "CORE",
773 [FW_DEVLOG_FACILITY_SCHED] = "SCHED",
774 [FW_DEVLOG_FACILITY_TIMER] = "TIMER",
775 [FW_DEVLOG_FACILITY_RES] = "RES",
776 [FW_DEVLOG_FACILITY_HW] = "HW",
777 [FW_DEVLOG_FACILITY_FLR] = "FLR",
778 [FW_DEVLOG_FACILITY_DMAQ] = "DMAQ",
779 [FW_DEVLOG_FACILITY_PHY] = "PHY",
780 [FW_DEVLOG_FACILITY_MAC] = "MAC",
781 [FW_DEVLOG_FACILITY_PORT] = "PORT",
782 [FW_DEVLOG_FACILITY_VI] = "VI",
783 [FW_DEVLOG_FACILITY_FILTER] = "FILTER",
784 [FW_DEVLOG_FACILITY_ACL] = "ACL",
785 [FW_DEVLOG_FACILITY_TM] = "TM",
786 [FW_DEVLOG_FACILITY_QFC] = "QFC",
787 [FW_DEVLOG_FACILITY_DCB] = "DCB",
788 [FW_DEVLOG_FACILITY_ETH] = "ETH",
789 [FW_DEVLOG_FACILITY_OFLD] = "OFLD",
790 [FW_DEVLOG_FACILITY_RI] = "RI",
791 [FW_DEVLOG_FACILITY_ISCSI] = "ISCSI",
792 [FW_DEVLOG_FACILITY_FCOE] = "FCOE",
793 [FW_DEVLOG_FACILITY_FOISCSI] = "FOISCSI",
794 [FW_DEVLOG_FACILITY_FOFCOE] = "FOFCOE"
795};
796
797/* Information gathered by Device Log Open routine for the display routine.
798 */
799struct devlog_info {
800 unsigned int nentries; /* number of entries in log[] */
801 unsigned int first; /* first [temporal] entry in log[] */
802 struct fw_devlog_e log[0]; /* Firmware Device Log */
803};
804
805/* Dump a Firmaware Device Log entry.
806 */
807static int devlog_show(struct seq_file *seq, void *v)
808{
809 if (v == SEQ_START_TOKEN)
810 seq_printf(seq, "%10s %15s %8s %8s %s\n",
811 "Seq#", "Tstamp", "Level", "Facility", "Message");
812 else {
813 struct devlog_info *dinfo = seq->private;
814 int fidx = (uintptr_t)v - 2;
815 unsigned long index;
816 struct fw_devlog_e *e;
817
818 /* Get a pointer to the log entry to display. Skip unused log
819 * entries.
820 */
821 index = dinfo->first + fidx;
822 if (index >= dinfo->nentries)
823 index -= dinfo->nentries;
824 e = &dinfo->log[index];
825 if (e->timestamp == 0)
826 return 0;
827
828 /* Print the message. This depends on the firmware using
829 * exactly the same formating strings as the kernel so we may
830 * eventually have to put a format interpreter in here ...
831 */
832 seq_printf(seq, "%10d %15llu %8s %8s ",
833 e->seqno, e->timestamp,
834 (e->level < ARRAY_SIZE(devlog_level_strings)
835 ? devlog_level_strings[e->level]
836 : "UNKNOWN"),
837 (e->facility < ARRAY_SIZE(devlog_facility_strings)
838 ? devlog_facility_strings[e->facility]
839 : "UNKNOWN"));
840 seq_printf(seq, e->fmt, e->params[0], e->params[1],
841 e->params[2], e->params[3], e->params[4],
842 e->params[5], e->params[6], e->params[7]);
843 }
844 return 0;
845}
846
847/* Sequential File Operations for Device Log.
848 */
849static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
850{
851 if (pos > dinfo->nentries)
852 return NULL;
853
854 return (void *)(uintptr_t)(pos + 1);
855}
856
857static void *devlog_start(struct seq_file *seq, loff_t *pos)
858{
859 struct devlog_info *dinfo = seq->private;
860
861 return (*pos
862 ? devlog_get_idx(dinfo, *pos)
863 : SEQ_START_TOKEN);
864}
865
866static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
867{
868 struct devlog_info *dinfo = seq->private;
869
870 (*pos)++;
871 return devlog_get_idx(dinfo, *pos);
872}
873
874static void devlog_stop(struct seq_file *seq, void *v)
875{
876}
877
878static const struct seq_operations devlog_seq_ops = {
879 .start = devlog_start,
880 .next = devlog_next,
881 .stop = devlog_stop,
882 .show = devlog_show
883};
884
885/* Set up for reading the firmware's device log. We read the entire log here
886 * and then display it incrementally in devlog_show().
887 */
888static int devlog_open(struct inode *inode, struct file *file)
889{
890 struct adapter *adap = inode->i_private;
891 struct devlog_params *dparams = &adap->params.devlog;
892 struct devlog_info *dinfo;
893 unsigned int index;
894 u32 fseqno;
895 int ret;
896
897 /* If we don't know where the log is we can't do anything.
898 */
899 if (dparams->start == 0)
900 return -ENXIO;
901
902 /* Allocate the space to read in the firmware's device log and set up
903 * for the iterated call to our display function.
904 */
905 dinfo = __seq_open_private(file, &devlog_seq_ops,
906 sizeof(*dinfo) + dparams->size);
907 if (!dinfo)
908 return -ENOMEM;
909
910 /* Record the basic log buffer information and read in the raw log.
911 */
912 dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
913 dinfo->first = 0;
914 spin_lock(&adap->win0_lock);
915 ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
916 dparams->start, dparams->size, (__be32 *)dinfo->log,
917 T4_MEMORY_READ);
918 spin_unlock(&adap->win0_lock);
919 if (ret) {
920 seq_release_private(inode, file);
921 return ret;
922 }
923
924 /* Translate log multi-byte integral elements into host native format
925 * and determine where the first entry in the log is.
926 */
927 for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
928 struct fw_devlog_e *e = &dinfo->log[index];
929 int i;
930 __u32 seqno;
931
932 if (e->timestamp == 0)
933 continue;
934
935 e->timestamp = (__force __be64)be64_to_cpu(e->timestamp);
936 seqno = be32_to_cpu(e->seqno);
937 for (i = 0; i < 8; i++)
938 e->params[i] =
939 (__force __be32)be32_to_cpu(e->params[i]);
940
941 if (seqno < fseqno) {
942 fseqno = seqno;
943 dinfo->first = index;
944 }
945 }
946 return 0;
947}
948
949static const struct file_operations devlog_fops = {
950 .owner = THIS_MODULE,
951 .open = devlog_open,
952 .read = seq_read,
953 .llseek = seq_lseek,
954 .release = seq_release_private
955};
956
bf7c781d
HS		 957static int mbox_show(struct seq_file *seq, void *v)
958{
959 static const char * const owner[] = { "none", "FW", "driver",
960 "unknown" };
961
962 int i;
963 unsigned int mbox = (uintptr_t)seq->private & 7;
964 struct adapter *adap = seq->private - mbox;
965 void __iomem *addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
966 unsigned int ctrl_reg = (is_t4(adap->params.chip)
967 ? CIM_PF_MAILBOX_CTRL_A
968 : CIM_PF_MAILBOX_CTRL_SHADOW_COPY_A);
969 void __iomem *ctrl = adap->regs + PF_REG(mbox, ctrl_reg);
970
971 i = MBOWNER_G(readl(ctrl));
972 seq_printf(seq, "mailbox owned by %s\n\n", owner[i]);
973
974 for (i = 0; i < MBOX_LEN; i += 8)
975 seq_printf(seq, "%016llx\n",
976 (unsigned long long)readq(addr + i));
977 return 0;
978}
979
980static int mbox_open(struct inode *inode, struct file *file)
981{
982 return single_open(file, mbox_show, inode->i_private);
983}
984
985static ssize_t mbox_write(struct file *file, const char __user *buf,
986 size_t count, loff_t *pos)
987{
988 int i;
989 char c = '\n', s[256];
990 unsigned long long data[8];
991 const struct inode *ino;
992 unsigned int mbox;
993 struct adapter *adap;
994 void __iomem *addr;
995 void __iomem *ctrl;
996
997 if (count > sizeof(s) - 1 || !count)
998 return -EINVAL;
999 if (copy_from_user(s, buf, count))
1000 return -EFAULT;
1001 s[count] = '\0';
1002
1003 if (sscanf(s, "%llx %llx %llx %llx %llx %llx %llx %llx%c", &data[0],
1004 &data[1], &data[2], &data[3], &data[4], &data[5], &data[6],
1005 &data[7], &c) < 8 || c != '\n')
1006 return -EINVAL;
1007
1008 ino = FILE_DATA(file);
1009 mbox = (uintptr_t)ino->i_private & 7;
1010 adap = ino->i_private - mbox;
1011 addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1012 ctrl = addr + MBOX_LEN;
1013
1014 if (MBOWNER_G(readl(ctrl)) != X_MBOWNER_PL)
1015 return -EBUSY;
1016
1017 for (i = 0; i < 8; i++)
1018 writeq(data[i], addr + 8 * i);
1019
1020 writel(MBMSGVALID_F | MBOWNER_V(X_MBOWNER_FW), ctrl);
1021 return count;
1022}
1023
1024static const struct file_operations mbox_debugfs_fops = {
1025 .owner = THIS_MODULE,
1026 .open = mbox_open,
1027 .read = seq_read,
1028 .llseek = seq_lseek,
1029 .release = single_release,
1030 .write = mbox_write
1031};
1032
49216c1c
HS		 1033static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
1034 loff_t *ppos)
1035{
1036 loff_t pos = *ppos;
1037 loff_t avail = FILE_DATA(file)->i_size;
1038 struct adapter *adap = file->private_data;
1039
1040 if (pos < 0)
1041 return -EINVAL;
1042 if (pos >= avail)
1043 return 0;
1044 if (count > avail - pos)
1045 count = avail - pos;
1046
1047 while (count) {
1048 size_t len;
1049 int ret, ofst;
1050 u8 data[256];
1051
1052 ofst = pos & 3;
1053 len = min(count + ofst, sizeof(data));
1054 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
1055 (u32 *)data, 1);
1056 if (ret)
1057 return ret;
1058
1059 len -= ofst;
1060 if (copy_to_user(buf, data + ofst, len))
1061 return -EFAULT;
1062
1063 buf += len;
1064 pos += len;
1065 count -= len;
1066 }
1067 count = pos - *ppos;
1068 *ppos = pos;
1069 return count;
1070}
1071
1072static const struct file_operations flash_debugfs_fops = {
1073 .owner = THIS_MODULE,
1074 .open = mem_open,
1075 .read = flash_read,
1076};
1077
ef82f662
HS		 1078static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
1079{
1080 *mask = x | y;
1081 y = (__force u64)cpu_to_be64(y);
1082 memcpy(addr, (char *)&y + 2, ETH_ALEN);
1083}
1084
1085static int mps_tcam_show(struct seq_file *seq, void *v)
1086{
1087 if (v == SEQ_START_TOKEN)
1088 seq_puts(seq, "Idx Ethernet address Mask Vld Ports PF"
1089 " VF Replication "
1090 "P0 P1 P2 P3 ML\n");
1091 else {
1092 u64 mask;
1093 u8 addr[ETH_ALEN];
1094 struct adapter *adap = seq->private;
1095 unsigned int idx = (uintptr_t)v - 2;
1096 u64 tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
1097 u64 tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
1098 u32 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
1099 u32 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
1100 u32 rplc[4] = {0, 0, 0, 0};
1101
1102 if (tcamx & tcamy) {
1103 seq_printf(seq, "%3u -\n", idx);
1104 goto out;
1105 }
1106
1107 if (cls_lo & REPLICATE_F) {
1108 struct fw_ldst_cmd ldst_cmd;
1109 int ret;
1110
1111 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
1112 ldst_cmd.op_to_addrspace =
1113 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
1114 FW_CMD_REQUEST_F |
1115 FW_CMD_READ_F |
1116 FW_LDST_CMD_ADDRSPACE_V(
1117 FW_LDST_ADDRSPC_MPS));
1118 ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
1119 ldst_cmd.u.mps.fid_ctl =
1120 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
1121 FW_LDST_CMD_CTL_V(idx));
1122 ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
1123 sizeof(ldst_cmd), &ldst_cmd);
1124 if (ret)
1125 dev_warn(adap->pdev_dev, "Can't read MPS "
1126 "replication map for idx %d: %d\n",
1127 idx, -ret);
1128 else {
1129 rplc[0] = ntohl(ldst_cmd.u.mps.rplc31_0);
1130 rplc[1] = ntohl(ldst_cmd.u.mps.rplc63_32);
1131 rplc[2] = ntohl(ldst_cmd.u.mps.rplc95_64);
1132 rplc[3] = ntohl(ldst_cmd.u.mps.rplc127_96);
1133 }
1134 }
1135
1136 tcamxy2valmask(tcamx, tcamy, addr, &mask);
1137 seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x %012llx"
1138 "%3c %#x%4u%4d",
1139 idx, addr[0], addr[1], addr[2], addr[3], addr[4],
1140 addr[5], (unsigned long long)mask,
1141 (cls_lo & SRAM_VLD_F) ? 'Y' : 'N', PORTMAP_G(cls_hi),
1142 PF_G(cls_lo),
1143 (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
1144 if (cls_lo & REPLICATE_F)
1145 seq_printf(seq, " %08x %08x %08x %08x",
1146 rplc[3], rplc[2], rplc[1], rplc[0]);
1147 else
1148 seq_printf(seq, "%36c", ' ');
1149 seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1150 SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
1151 SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
1152 (cls_lo >> MULTILISTEN0_S) & 0xf);
1153 }
1154out: return 0;
1155}
1156
1157static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
1158{
1159 struct adapter *adap = seq->private;
1160 int max_mac_addr = is_t4(adap->params.chip) ?
1161 NUM_MPS_CLS_SRAM_L_INSTANCES :
1162 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1163 return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
1164}
1165
1166static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
1167{
1168 return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
1169}
1170
1171static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
1172{
1173 ++*pos;
1174 return mps_tcam_get_idx(seq, *pos);
1175}
1176
1177static void mps_tcam_stop(struct seq_file *seq, void *v)
1178{
1179}
1180
1181static const struct seq_operations mps_tcam_seq_ops = {
1182 .start = mps_tcam_start,
1183 .next = mps_tcam_next,
1184 .stop = mps_tcam_stop,
1185 .show = mps_tcam_show
1186};
1187
1188static int mps_tcam_open(struct inode *inode, struct file *file)
1189{
1190 int res = seq_open(file, &mps_tcam_seq_ops);
1191
1192 if (!res) {
1193 struct seq_file *seq = file->private_data;
1194
1195 seq->private = inode->i_private;
1196 }
1197 return res;
1198}
1199
1200static const struct file_operations mps_tcam_debugfs_fops = {
1201 .owner = THIS_MODULE,
1202 .open = mps_tcam_open,
1203 .read = seq_read,
1204 .llseek = seq_lseek,
1205 .release = seq_release,
1206};
1207
70a5f3bb
HS		 1208/* Display various sensor information.
1209 */
1210static int sensors_show(struct seq_file *seq, void *v)
1211{
1212 struct adapter *adap = seq->private;
1213 u32 param[7], val[7];
1214 int ret;
1215
1216 /* Note that if the sensors haven't been initialized and turned on
1217 * we'll get values of 0, so treat those as "<unknown>" ...
1218 */
1219 param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1220 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1221 FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
1222 param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1223 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1224 FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
1225 ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2,
1226 param, val);
1227
1228 if (ret < 0 || val[0] == 0)
1229 seq_puts(seq, "Temperature: <unknown>\n");
1230 else
1231 seq_printf(seq, "Temperature: %dC\n", val[0]);
1232
1233 if (ret < 0 || val[1] == 0)
1234 seq_puts(seq, "Core VDD: <unknown>\n");
1235 else
1236 seq_printf(seq, "Core VDD: %dmV\n", val[1]);
1237
1238 return 0;
1239}
1240
1241DEFINE_SIMPLE_DEBUGFS_FILE(sensors);
1242
b5a02f50
AB		 1243#if IS_ENABLED(CONFIG_IPV6)
1244static int clip_tbl_open(struct inode *inode, struct file *file)
1245{
acde2c2d 1246 return single_open(file, clip_tbl_show, inode->i_private);
b5a02f50
AB		 1247}
1248
1249static const struct file_operations clip_tbl_debugfs_fops = {
1250 .owner = THIS_MODULE,
1251 .open = clip_tbl_open,
1252 .read = seq_read,
1253 .llseek = seq_lseek,
1254 .release = single_release
1255};
1256#endif
1257
688ea5fe
HS		 1258/*RSS Table.
1259 */
1260
1261static int rss_show(struct seq_file *seq, void *v, int idx)
1262{
1263 u16 *entry = v;
1264
1265 seq_printf(seq, "%4d: %4u %4u %4u %4u %4u %4u %4u %4u\n",
1266 idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
1267 entry[5], entry[6], entry[7]);
1268 return 0;
1269}
1270
1271static int rss_open(struct inode *inode, struct file *file)
1272{
1273 int ret;
1274 struct seq_tab *p;
1275 struct adapter *adap = inode->i_private;
1276
1277 p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
1278 if (!p)
1279 return -ENOMEM;
1280
1281 ret = t4_read_rss(adap, (u16 *)p->data);
1282 if (ret)
1283 seq_release_private(inode, file);
1284
1285 return ret;
1286}
1287
1288static const struct file_operations rss_debugfs_fops = {
1289 .owner = THIS_MODULE,
1290 .open = rss_open,
1291 .read = seq_read,
1292 .llseek = seq_lseek,
1293 .release = seq_release_private
1294};
1295
1296/* RSS Configuration.
1297 */
1298
1299/* Small utility function to return the strings "yes" or "no" if the supplied
1300 * argument is non-zero.
1301 */
1302static const char *yesno(int x)
1303{
1304 static const char *yes = "yes";
1305 static const char *no = "no";
1306
1307 return x ? yes : no;
1308}
1309
1310static int rss_config_show(struct seq_file *seq, void *v)
1311{
1312 struct adapter *adapter = seq->private;
1313 static const char * const keymode[] = {
1314 "global",
1315 "global and per-VF scramble",
1316 "per-PF and per-VF scramble",
1317 "per-VF and per-VF scramble",
1318 };
1319 u32 rssconf;
1320
1321 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
1322 seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
1323 seq_printf(seq, " Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
1324 TNL4TUPENIPV6_F));
1325 seq_printf(seq, " Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
1326 TNL2TUPENIPV6_F));
1327 seq_printf(seq, " Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
1328 TNL4TUPENIPV4_F));
1329 seq_printf(seq, " Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
1330 TNL2TUPENIPV4_F));
1331 seq_printf(seq, " TnlTcpSel: %3s\n", yesno(rssconf & TNLTCPSEL_F));
1332 seq_printf(seq, " TnlIp6Sel: %3s\n", yesno(rssconf & TNLIP6SEL_F));
1333 seq_printf(seq, " TnlVrtSel: %3s\n", yesno(rssconf & TNLVRTSEL_F));
1334 seq_printf(seq, " TnlMapEn: %3s\n", yesno(rssconf & TNLMAPEN_F));
1335 seq_printf(seq, " OfdHashSave: %3s\n", yesno(rssconf &
1336 OFDHASHSAVE_F));
1337 seq_printf(seq, " OfdVrtSel: %3s\n", yesno(rssconf & OFDVRTSEL_F));
1338 seq_printf(seq, " OfdMapEn: %3s\n", yesno(rssconf & OFDMAPEN_F));
1339 seq_printf(seq, " OfdLkpEn: %3s\n", yesno(rssconf & OFDLKPEN_F));
1340 seq_printf(seq, " Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1341 SYN4TUPENIPV6_F));
1342 seq_printf(seq, " Syn2TupEnIpv6: %3s\n", yesno(rssconf &
1343 SYN2TUPENIPV6_F));
1344 seq_printf(seq, " Syn4TupEnIpv4: %3s\n", yesno(rssconf &
1345 SYN4TUPENIPV4_F));
1346 seq_printf(seq, " Syn2TupEnIpv4: %3s\n", yesno(rssconf &
1347 SYN2TUPENIPV4_F));
1348 seq_printf(seq, " Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1349 SYN4TUPENIPV6_F));
1350 seq_printf(seq, " SynIp6Sel: %3s\n", yesno(rssconf & SYNIP6SEL_F));
1351 seq_printf(seq, " SynVrt6Sel: %3s\n", yesno(rssconf & SYNVRTSEL_F));
1352 seq_printf(seq, " SynMapEn: %3s\n", yesno(rssconf & SYNMAPEN_F));
1353 seq_printf(seq, " SynLkpEn: %3s\n", yesno(rssconf & SYNLKPEN_F));
1354 seq_printf(seq, " ChnEn: %3s\n", yesno(rssconf &
1355 CHANNELENABLE_F));
1356 seq_printf(seq, " PrtEn: %3s\n", yesno(rssconf &
1357 PORTENABLE_F));
1358 seq_printf(seq, " TnlAllLkp: %3s\n", yesno(rssconf &
1359 TNLALLLOOKUP_F));
1360 seq_printf(seq, " VrtEn: %3s\n", yesno(rssconf &
1361 VIRTENABLE_F));
1362 seq_printf(seq, " CngEn: %3s\n", yesno(rssconf &
1363 CONGESTIONENABLE_F));
1364 seq_printf(seq, " HashToeplitz: %3s\n", yesno(rssconf &
1365 HASHTOEPLITZ_F));
1366 seq_printf(seq, " Udp4En: %3s\n", yesno(rssconf & UDPENABLE_F));
1367 seq_printf(seq, " Disable: %3s\n", yesno(rssconf & DISABLE_F));
1368
1369 seq_puts(seq, "\n");
1370
1371 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
1372 seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
1373 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
1374 seq_printf(seq, " MaskFilter: %3d\n", MASKFILTER_G(rssconf));
1375 if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1376 seq_printf(seq, " HashAll: %3s\n",
1377 yesno(rssconf & HASHALL_F));
1378 seq_printf(seq, " HashEth: %3s\n",
1379 yesno(rssconf & HASHETH_F));
1380 }
1381 seq_printf(seq, " UseWireCh: %3s\n", yesno(rssconf & USEWIRECH_F));
1382
1383 seq_puts(seq, "\n");
1384
1385 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
1386 seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
1387 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
1388 seq_printf(seq, " RRCplMapEn: %3s\n", yesno(rssconf &
1389 RRCPLMAPEN_F));
1390 seq_printf(seq, " RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
1391
1392 seq_puts(seq, "\n");
1393
1394 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
1395 seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
1396 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
1397 seq_printf(seq, " UseWireCh: %3s\n", yesno(rssconf & USEWIRECH_F));
1398
1399 seq_puts(seq, "\n");
1400
1401 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
1402 seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
1403 if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1404 seq_printf(seq, " KeyWrAddrX: %3d\n",
1405 KEYWRADDRX_G(rssconf));
1406 seq_printf(seq, " KeyExtend: %3s\n",
1407 yesno(rssconf & KEYEXTEND_F));
1408 }
1409 seq_printf(seq, " VfRdRg: %3s\n", yesno(rssconf & VFRDRG_F));
1410 seq_printf(seq, " VfRdEn: %3s\n", yesno(rssconf & VFRDEN_F));
1411 seq_printf(seq, " VfPerrEn: %3s\n", yesno(rssconf & VFPERREN_F));
1412 seq_printf(seq, " KeyPerrEn: %3s\n", yesno(rssconf & KEYPERREN_F));
1413 seq_printf(seq, " DisVfVlan: %3s\n", yesno(rssconf &
1414 DISABLEVLAN_F));
1415 seq_printf(seq, " EnUpSwt: %3s\n", yesno(rssconf & ENABLEUP0_F));
1416 seq_printf(seq, " HashDelay: %3d\n", HASHDELAY_G(rssconf));
1417 if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
1418 seq_printf(seq, " VfWrAddr: %3d\n", VFWRADDR_G(rssconf));
1419 seq_printf(seq, " KeyMode: %s\n", keymode[KEYMODE_G(rssconf)]);
1420 seq_printf(seq, " VfWrEn: %3s\n", yesno(rssconf & VFWREN_F));
1421 seq_printf(seq, " KeyWrEn: %3s\n", yesno(rssconf & KEYWREN_F));
1422 seq_printf(seq, " KeyWrAddr: %3d\n", KEYWRADDR_G(rssconf));
1423
1424 seq_puts(seq, "\n");
1425
1426 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
1427 seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
1428 seq_printf(seq, " ChnCount3: %3s\n", yesno(rssconf & CHNCOUNT3_F));
1429 seq_printf(seq, " ChnCount2: %3s\n", yesno(rssconf & CHNCOUNT2_F));
1430 seq_printf(seq, " ChnCount1: %3s\n", yesno(rssconf & CHNCOUNT1_F));
1431 seq_printf(seq, " ChnCount0: %3s\n", yesno(rssconf & CHNCOUNT0_F));
1432 seq_printf(seq, " ChnUndFlow3: %3s\n", yesno(rssconf &
1433 CHNUNDFLOW3_F));
1434 seq_printf(seq, " ChnUndFlow2: %3s\n", yesno(rssconf &
1435 CHNUNDFLOW2_F));
1436 seq_printf(seq, " ChnUndFlow1: %3s\n", yesno(rssconf &
1437 CHNUNDFLOW1_F));
1438 seq_printf(seq, " ChnUndFlow0: %3s\n", yesno(rssconf &
1439 CHNUNDFLOW0_F));
1440 seq_printf(seq, " RstChn3: %3s\n", yesno(rssconf & RSTCHN3_F));
1441 seq_printf(seq, " RstChn2: %3s\n", yesno(rssconf & RSTCHN2_F));
1442 seq_printf(seq, " RstChn1: %3s\n", yesno(rssconf & RSTCHN1_F));
1443 seq_printf(seq, " RstChn0: %3s\n", yesno(rssconf & RSTCHN0_F));
1444 seq_printf(seq, " UpdVld: %3s\n", yesno(rssconf & UPDVLD_F));
1445 seq_printf(seq, " Xoff: %3s\n", yesno(rssconf & XOFF_F));
1446 seq_printf(seq, " UpdChn3: %3s\n", yesno(rssconf & UPDCHN3_F));
1447 seq_printf(seq, " UpdChn2: %3s\n", yesno(rssconf & UPDCHN2_F));
1448 seq_printf(seq, " UpdChn1: %3s\n", yesno(rssconf & UPDCHN1_F));
1449 seq_printf(seq, " UpdChn0: %3s\n", yesno(rssconf & UPDCHN0_F));
1450 seq_printf(seq, " Queue: %3d\n", QUEUE_G(rssconf));
1451
1452 return 0;
1453}
1454
1455DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
1456
1457/* RSS Secret Key.
1458 */
1459
1460static int rss_key_show(struct seq_file *seq, void *v)
1461{
1462 u32 key[10];
1463
1464 t4_read_rss_key(seq->private, key);
1465 seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
1466 key[9], key[8], key[7], key[6], key[5], key[4], key[3],
1467 key[2], key[1], key[0]);
1468 return 0;
1469}
1470
1471static int rss_key_open(struct inode *inode, struct file *file)
1472{
1473 return single_open(file, rss_key_show, inode->i_private);
1474}
1475
1476static ssize_t rss_key_write(struct file *file, const char __user *buf,
1477 size_t count, loff_t *pos)
1478{
1479 int i, j;
1480 u32 key[10];
1481 char s[100], *p;
1482 struct adapter *adap = FILE_DATA(file)->i_private;
1483
1484 if (count > sizeof(s) - 1)
1485 return -EINVAL;
1486 if (copy_from_user(s, buf, count))
1487 return -EFAULT;
1488 for (i = count; i > 0 && isspace(s[i - 1]); i--)
1489 ;
1490 s[i] = '\0';
1491
1492 for (p = s, i = 9; i >= 0; i--) {
1493 key[i] = 0;
1494 for (j = 0; j < 8; j++, p++) {
1495 if (!isxdigit(*p))
1496 return -EINVAL;
1497 key[i] = (key[i] << 4) | hex2val(*p);
1498 }
1499 }
1500
1501 t4_write_rss_key(adap, key, -1);
1502 return count;
1503}
1504
1505static const struct file_operations rss_key_debugfs_fops = {
1506 .owner = THIS_MODULE,
1507 .open = rss_key_open,
1508 .read = seq_read,
1509 .llseek = seq_lseek,
1510 .release = single_release,
1511 .write = rss_key_write
1512};
1513
1514/* PF RSS Configuration.
1515 */
1516
1517struct rss_pf_conf {
1518 u32 rss_pf_map;
1519 u32 rss_pf_mask;
1520 u32 rss_pf_config;
1521};
1522
1523static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
1524{
1525 struct rss_pf_conf *pfconf;
1526
1527 if (v == SEQ_START_TOKEN) {
1528 /* use the 0th entry to dump the PF Map Index Size */
1529 pfconf = seq->private + offsetof(struct seq_tab, data);
1530 seq_printf(seq, "PF Map Index Size = %d\n\n",
1531 LKPIDXSIZE_G(pfconf->rss_pf_map));
1532
1533 seq_puts(seq, " RSS PF VF Hash Tuple Enable Default\n");
1534 seq_puts(seq, " Enable IPF Mask Mask IPv6 IPv4 UDP Queue\n");
1535 seq_puts(seq, " PF Map Chn Prt Map Size Size Four Two Four Two Four Ch1 Ch0\n");
1536 } else {
1537 #define G_PFnLKPIDX(map, n) \
1538 (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
1539 #define G_PFnMSKSIZE(mask, n) \
1540 (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
1541
1542 pfconf = v;
1543 seq_printf(seq, "%3d %3s %3s %3s %3d %3d %3d %3s %3s %3s %3s %3s %3d %3d\n",
1544 idx,
1545 yesno(pfconf->rss_pf_config & MAPENABLE_F),
1546 yesno(pfconf->rss_pf_config & CHNENABLE_F),
1547 yesno(pfconf->rss_pf_config & PRTENABLE_F),
1548 G_PFnLKPIDX(pfconf->rss_pf_map, idx),
1549 G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
1550 IVFWIDTH_G(pfconf->rss_pf_config),
1551 yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
1552 yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
1553 yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
1554 yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
1555 yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
1556 CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
1557 CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
1558
1559 #undef G_PFnLKPIDX
1560 #undef G_PFnMSKSIZE
1561 }
1562 return 0;
1563}
1564
1565static int rss_pf_config_open(struct inode *inode, struct file *file)
1566{
1567 struct adapter *adapter = inode->i_private;
1568 struct seq_tab *p;
1569 u32 rss_pf_map, rss_pf_mask;
1570 struct rss_pf_conf *pfconf;
1571 int pf;
1572
1573 p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
1574 if (!p)
1575 return -ENOMEM;
1576
1577 pfconf = (struct rss_pf_conf *)p->data;
1578 rss_pf_map = t4_read_rss_pf_map(adapter);
1579 rss_pf_mask = t4_read_rss_pf_mask(adapter);
1580 for (pf = 0; pf < 8; pf++) {
1581 pfconf[pf].rss_pf_map = rss_pf_map;
1582 pfconf[pf].rss_pf_mask = rss_pf_mask;
1583 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
1584 }
1585 return 0;
1586}
1587
1588static const struct file_operations rss_pf_config_debugfs_fops = {
1589 .owner = THIS_MODULE,
1590 .open = rss_pf_config_open,
1591 .read = seq_read,
1592 .llseek = seq_lseek,
1593 .release = seq_release_private
1594};
1595
1596/* VF RSS Configuration.
1597 */
1598
1599struct rss_vf_conf {
1600 u32 rss_vf_vfl;
1601 u32 rss_vf_vfh;
1602};
1603
1604static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
1605{
1606 if (v == SEQ_START_TOKEN) {
1607 seq_puts(seq, " RSS Hash Tuple Enable\n");
1608 seq_puts(seq, " Enable IVF Dis Enb IPv6 IPv4 UDP Def Secret Key\n");
1609 seq_puts(seq, " VF Chn Prt Map VLAN uP Four Two Four Two Four Que Idx Hash\n");
1610 } else {
1611 struct rss_vf_conf *vfconf = v;
1612
1613 seq_printf(seq, "%3d %3s %3s %3d %3s %3s %3s %3s %3s %3s %3s %4d %3d %#10x\n",
1614 idx,
1615 yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
1616 yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
1617 VFLKPIDX_G(vfconf->rss_vf_vfh),
1618 yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
1619 yesno(vfconf->rss_vf_vfh & VFUPEN_F),
1620 yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1621 yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
1622 yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1623 yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
1624 yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
1625 DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
1626 KEYINDEX_G(vfconf->rss_vf_vfh),
1627 vfconf->rss_vf_vfl);
1628 }
1629 return 0;
1630}
1631
1632static int rss_vf_config_open(struct inode *inode, struct file *file)
1633{
1634 struct adapter *adapter = inode->i_private;
1635 struct seq_tab *p;
1636 struct rss_vf_conf *vfconf;
1637 int vf;
1638
1639 p = seq_open_tab(file, 128, sizeof(*vfconf), 1, rss_vf_config_show);
1640 if (!p)
1641 return -ENOMEM;
1642
1643 vfconf = (struct rss_vf_conf *)p->data;
1644 for (vf = 0; vf < 128; vf++) {
1645 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
1646 &vfconf[vf].rss_vf_vfh);
1647 }
1648 return 0;
1649}
1650
1651static const struct file_operations rss_vf_config_debugfs_fops = {
1652 .owner = THIS_MODULE,
1653 .open = rss_vf_config_open,
1654 .read = seq_read,
1655 .llseek = seq_lseek,
1656 .release = seq_release_private
1657};
1658
3051fa61
HS		 1659/**
1660 * ethqset2pinfo - return port_info of an Ethernet Queue Set
1661 * @adap: the adapter
1662 * @qset: Ethernet Queue Set
1663 */
1664static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
1665{
1666 int pidx;
1667
1668 for_each_port(adap, pidx) {
1669 struct port_info *pi = adap2pinfo(adap, pidx);
1670
1671 if (qset >= pi->first_qset &&
1672 qset < pi->first_qset + pi->nqsets)
1673 return pi;
1674 }
1675
1676 /* should never happen! */
1677 BUG_ON(1);
1678 return NULL;
1679}
1680
dc9daab2
HS		 1681static int sge_qinfo_show(struct seq_file *seq, void *v)
1682{
1683 struct adapter *adap = seq->private;
1684 int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
1685 int toe_entries = DIV_ROUND_UP(adap->sge.ofldqsets, 4);
1686 int rdma_entries = DIV_ROUND_UP(adap->sge.rdmaqs, 4);
1687 int ciq_entries = DIV_ROUND_UP(adap->sge.rdmaciqs, 4);
1688 int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
1689 int i, r = (uintptr_t)v - 1;
1690 int toe_idx = r - eth_entries;
1691 int rdma_idx = toe_idx - toe_entries;
1692 int ciq_idx = rdma_idx - rdma_entries;
1693 int ctrl_idx = ciq_idx - ciq_entries;
1694 int fq_idx = ctrl_idx - ctrl_entries;
1695
1696 if (r)
1697 seq_putc(seq, '\n');
1698
1699#define S3(fmt_spec, s, v) \
1700do { \
1701 seq_printf(seq, "%-12s", s); \
1702 for (i = 0; i < n; ++i) \
1703 seq_printf(seq, " %16" fmt_spec, v); \
1704 seq_putc(seq, '\n'); \
1705} while (0)
1706#define S(s, v) S3("s", s, v)
1707#define T(s, v) S3("u", s, tx[i].v)
1708#define R(s, v) S3("u", s, rx[i].v)
1709
1710 if (r < eth_entries) {
1711 int base_qset = r * 4;
1712 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
1713 const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
1714 int n = min(4, adap->sge.ethqsets - 4 * r);
1715
1716 S("QType:", "Ethernet");
1717 S("Interface:",
1718 rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
1719 T("TxQ ID:", q.cntxt_id);
1720 T("TxQ size:", q.size);
1721 T("TxQ inuse:", q.in_use);
1722 T("TxQ CIDX:", q.cidx);
1723 T("TxQ PIDX:", q.pidx);
3051fa61 1724#ifdef CONFIG_CHELSIO_T4_DCB
dc9daab2
HS		 1725 T("DCB Prio:", dcb_prio);
1726 S3("u", "DCB PGID:",
1727 (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
1728 4*(7-tx[i].dcb_prio)) & 0xf);
1729 S3("u", "DCB PFC:",
1730 (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
1731 1*(7-tx[i].dcb_prio)) & 0x1);
1732#endif
1733 R("RspQ ID:", rspq.abs_id);
1734 R("RspQ size:", rspq.size);
1735 R("RspQE size:", rspq.iqe_len);
1736 R("RspQ CIDX:", rspq.cidx);
1737 R("RspQ Gen:", rspq.gen);
1738 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1739 S3("u", "Intr pktcnt:",
1740 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1741 R("FL ID:", fl.cntxt_id);
1742 R("FL size:", fl.size - 8);
1743 R("FL pend:", fl.pend_cred);
1744 R("FL avail:", fl.avail);
1745 R("FL PIDX:", fl.pidx);
1746 R("FL CIDX:", fl.cidx);
1747 } else if (toe_idx < toe_entries) {
1748 const struct sge_ofld_rxq *rx = &adap->sge.ofldrxq[toe_idx * 4];
1749 const struct sge_ofld_txq *tx = &adap->sge.ofldtxq[toe_idx * 4];
1750 int n = min(4, adap->sge.ofldqsets - 4 * toe_idx);
1751
1752 S("QType:", "TOE");
1753 T("TxQ ID:", q.cntxt_id);
1754 T("TxQ size:", q.size);
1755 T("TxQ inuse:", q.in_use);
1756 T("TxQ CIDX:", q.cidx);
1757 T("TxQ PIDX:", q.pidx);
1758 R("RspQ ID:", rspq.abs_id);
1759 R("RspQ size:", rspq.size);
1760 R("RspQE size:", rspq.iqe_len);
1761 R("RspQ CIDX:", rspq.cidx);
1762 R("RspQ Gen:", rspq.gen);
1763 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1764 S3("u", "Intr pktcnt:",
1765 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1766 R("FL ID:", fl.cntxt_id);
1767 R("FL size:", fl.size - 8);
1768 R("FL pend:", fl.pend_cred);
1769 R("FL avail:", fl.avail);
1770 R("FL PIDX:", fl.pidx);
1771 R("FL CIDX:", fl.cidx);
1772 } else if (rdma_idx < rdma_entries) {
1773 const struct sge_ofld_rxq *rx =
1774 &adap->sge.rdmarxq[rdma_idx * 4];
1775 int n = min(4, adap->sge.rdmaqs - 4 * rdma_idx);
1776
1777 S("QType:", "RDMA-CPL");
f36e58e5
HS		 1778 S("Interface:",
1779 rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
dc9daab2
HS		 1780 R("RspQ ID:", rspq.abs_id);
1781 R("RspQ size:", rspq.size);
1782 R("RspQE size:", rspq.iqe_len);
1783 R("RspQ CIDX:", rspq.cidx);
1784 R("RspQ Gen:", rspq.gen);
1785 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1786 S3("u", "Intr pktcnt:",
1787 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1788 R("FL ID:", fl.cntxt_id);
1789 R("FL size:", fl.size - 8);
1790 R("FL pend:", fl.pend_cred);
1791 R("FL avail:", fl.avail);
1792 R("FL PIDX:", fl.pidx);
1793 R("FL CIDX:", fl.cidx);
1794 } else if (ciq_idx < ciq_entries) {
1795 const struct sge_ofld_rxq *rx = &adap->sge.rdmaciq[ciq_idx * 4];
1796 int n = min(4, adap->sge.rdmaciqs - 4 * ciq_idx);
1797
1798 S("QType:", "RDMA-CIQ");
f36e58e5
HS		 1799 S("Interface:",
1800 rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
dc9daab2
HS		 1801 R("RspQ ID:", rspq.abs_id);
1802 R("RspQ size:", rspq.size);
1803 R("RspQE size:", rspq.iqe_len);
1804 R("RspQ CIDX:", rspq.cidx);
1805 R("RspQ Gen:", rspq.gen);
1806 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1807 S3("u", "Intr pktcnt:",
1808 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1809 } else if (ctrl_idx < ctrl_entries) {
1810 const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
1811 int n = min(4, adap->params.nports - 4 * ctrl_idx);
1812
1813 S("QType:", "Control");
1814 T("TxQ ID:", q.cntxt_id);
1815 T("TxQ size:", q.size);
1816 T("TxQ inuse:", q.in_use);
1817 T("TxQ CIDX:", q.cidx);
1818 T("TxQ PIDX:", q.pidx);
1819 } else if (fq_idx == 0) {
1820 const struct sge_rspq *evtq = &adap->sge.fw_evtq;
1821
1822 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
1823 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
1824 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
1825 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
1826 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
1827 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
1828 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
1829 qtimer_val(adap, evtq));
1830 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
1831 adap->sge.counter_val[evtq->pktcnt_idx]);
1832 }
1833#undef R
1834#undef T
1835#undef S
1836#undef S3
1837return 0;
1838}
1839
1840static int sge_queue_entries(const struct adapter *adap)
1841{
1842 return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
1843 DIV_ROUND_UP(adap->sge.ofldqsets, 4) +
1844 DIV_ROUND_UP(adap->sge.rdmaqs, 4) +
1845 DIV_ROUND_UP(adap->sge.rdmaciqs, 4) +
1846 DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
1847}
1848
1849static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
1850{
1851 int entries = sge_queue_entries(seq->private);
1852
1853 return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1854}
1855
1856static void sge_queue_stop(struct seq_file *seq, void *v)
1857{
1858}
1859
1860static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
1861{
1862 int entries = sge_queue_entries(seq->private);
1863
1864 ++*pos;
1865 return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1866}
1867
1868static const struct seq_operations sge_qinfo_seq_ops = {
1869 .start = sge_queue_start,
1870 .next = sge_queue_next,
1871 .stop = sge_queue_stop,
1872 .show = sge_qinfo_show
1873};
1874
1875static int sge_qinfo_open(struct inode *inode, struct file *file)
1876{
1877 int res = seq_open(file, &sge_qinfo_seq_ops);
1878
1879 if (!res) {
1880 struct seq_file *seq = file->private_data;
1881
1882 seq->private = inode->i_private;
1883 }
1884 return res;
1885}
1886
1887static const struct file_operations sge_qinfo_debugfs_fops = {
1888 .owner = THIS_MODULE,
1889 .open = sge_qinfo_open,
1890 .read = seq_read,
1891 .llseek = seq_lseek,
1892 .release = seq_release,
1893};
1894
49216c1c
HS		 1895int mem_open(struct inode *inode, struct file *file)
1896{
1897 unsigned int mem;
1898 struct adapter *adap;
1899
1900 file->private_data = inode->i_private;
1901
1902 mem = (uintptr_t)file->private_data & 0x3;
1903 adap = file->private_data - mem;
1904
1905 (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
1906
1907 return 0;
1908}
1909
fd88b31a
HS		 1910static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
1911 loff_t *ppos)
1912{
1913 loff_t pos = *ppos;
1914 loff_t avail = file_inode(file)->i_size;
1915 unsigned int mem = (uintptr_t)file->private_data & 3;
1916 struct adapter *adap = file->private_data - mem;
1917 __be32 *data;
1918 int ret;
1919
1920 if (pos < 0)
1921 return -EINVAL;
1922 if (pos >= avail)
1923 return 0;
1924 if (count > avail - pos)
1925 count = avail - pos;
1926
1927 data = t4_alloc_mem(count);
1928 if (!data)
1929 return -ENOMEM;
1930
1931 spin_lock(&adap->win0_lock);
1932 ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
1933 spin_unlock(&adap->win0_lock);
1934 if (ret) {
1935 t4_free_mem(data);
1936 return ret;
1937 }
1938 ret = copy_to_user(buf, data, count);
1939
1940 t4_free_mem(data);
1941 if (ret)
1942 return -EFAULT;
1943
1944 *ppos = pos + count;
1945 return count;
1946}
fd88b31a
HS		 1947static const struct file_operations mem_debugfs_fops = {
1948 .owner = THIS_MODULE,
1949 .open = simple_open,
1950 .read = mem_read,
1951 .llseek = default_llseek,
1952};
1953
49216c1c
HS		 1954static void set_debugfs_file_size(struct dentry *de, loff_t size)
1955{
1956 if (!IS_ERR(de) && de->d_inode)
1957 de->d_inode->i_size = size;
1958}
1959
fd88b31a
HS		 1960static void add_debugfs_mem(struct adapter *adap, const char *name,
1961 unsigned int idx, unsigned int size_mb)
1962{
e59b4e91
DH		 1963 debugfs_create_file_size(name, S_IRUSR, adap->debugfs_root,
1964 (void *)adap + idx, &mem_debugfs_fops,
1965 size_mb << 20);
fd88b31a
HS		 1966}
1967
1968/* Add an array of Debug FS files.
1969 */
1970void add_debugfs_files(struct adapter *adap,
1971 struct t4_debugfs_entry *files,
1972 unsigned int nfiles)
1973{
1974 int i;
1975
1976 /* debugfs support is best effort */
1977 for (i = 0; i < nfiles; i++)
1978 debugfs_create_file(files[i].name, files[i].mode,
1979 adap->debugfs_root,
1980 (void *)adap + files[i].data,
1981 files[i].ops);
1982}
1983
1984int t4_setup_debugfs(struct adapter *adap)
1985{
1986 int i;
1987 u32 size;
49216c1c 1988 struct dentry *de;
fd88b31a
HS		 1989
1990 static struct t4_debugfs_entry t4_debugfs_files[] = {
f1ff24aa 1991 { "cim_la", &cim_la_fops, S_IRUSR, 0 },
74b3092c 1992 { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
b58b6676 1993 { "clk", &clk_debugfs_fops, S_IRUSR, 0 },
49aa284f 1994 { "devlog", &devlog_fops, S_IRUSR, 0 },
bf7c781d
HS		 1995 { "mbox0", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
1996 { "mbox1", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
1997 { "mbox2", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
1998 { "mbox3", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
1999 { "mbox4", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 4 },
2000 { "mbox5", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 5 },
2001 { "mbox6", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 6 },
2002 { "mbox7", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 7 },
fd88b31a 2003 { "l2t", &t4_l2t_fops, S_IRUSR, 0},
ef82f662 2004 { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
688ea5fe
HS		 2005 { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
2006 { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
2007 { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
2008 { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
2009 { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
dc9daab2 2010 { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
e5f0e43b
HS		 2011 { "ibq_tp0", &cim_ibq_fops, S_IRUSR, 0 },
2012 { "ibq_tp1", &cim_ibq_fops, S_IRUSR, 1 },
2013 { "ibq_ulp", &cim_ibq_fops, S_IRUSR, 2 },
2014 { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
2015 { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
2016 { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
c778af7d
HS		 2017 { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
2018 { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
2019 { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
2020 { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
2021 { "obq_sge", &cim_obq_fops, S_IRUSR, 4 },
2022 { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
2d277b3b 2023 { "tp_la", &tp_la_fops, S_IRUSR, 0 },
797ff0f5 2024 { "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 },
70a5f3bb 2025 { "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
b3bbe36a 2026 { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
bad43792 2027 { "cctrl", &cctrl_tbl_debugfs_fops, S_IRUSR, 0 },
b5a02f50
AB		 2028#if IS_ENABLED(CONFIG_IPV6)
2029 { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
2030#endif
fd88b31a
HS		 2031 };
2032
c778af7d
HS		 2033 /* Debug FS nodes common to all T5 and later adapters.
2034 */
2035 static struct t4_debugfs_entry t5_debugfs_files[] = {
2036 { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
2037 { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
2038 };
2039
fd88b31a
HS		 2040 add_debugfs_files(adap,
2041 t4_debugfs_files,
2042 ARRAY_SIZE(t4_debugfs_files));
c778af7d
HS		 2043 if (!is_t4(adap->params.chip))
2044 add_debugfs_files(adap,
2045 t5_debugfs_files,
2046 ARRAY_SIZE(t5_debugfs_files));
fd88b31a 2047
6559a7e8
HS		 2048 i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
2049 if (i & EDRAM0_ENABLE_F) {
2050 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
2051 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
fd88b31a 2052 }
6559a7e8
HS		 2053 if (i & EDRAM1_ENABLE_F) {
2054 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
2055 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
fd88b31a
HS		 2056 }
2057 if (is_t4(adap->params.chip)) {
6559a7e8
HS		 2058 size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
2059 if (i & EXT_MEM_ENABLE_F)
fd88b31a 2060 add_debugfs_mem(adap, "mc", MEM_MC,
6559a7e8 2061 EXT_MEM_SIZE_G(size));
fd88b31a 2062 } else {
6559a7e8
HS		 2063 if (i & EXT_MEM0_ENABLE_F) {
2064 size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
fd88b31a 2065 add_debugfs_mem(adap, "mc0", MEM_MC0,
6559a7e8 2066 EXT_MEM0_SIZE_G(size));
fd88b31a 2067 }
6559a7e8
HS		 2068 if (i & EXT_MEM1_ENABLE_F) {
2069 size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
fd88b31a 2070 add_debugfs_mem(adap, "mc1", MEM_MC1,
6559a7e8 2071 EXT_MEM1_SIZE_G(size));
fd88b31a
HS		 2072 }
2073 }
49216c1c
HS		 2074
2075 de = debugfs_create_file("flash", S_IRUSR, adap->debugfs_root, adap,
2076 &flash_debugfs_fops);
2077 set_debugfs_file_size(de, adap->params.sf_size);
2078
fd88b31a
HS		 2079 return 0;
2080}
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git