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MAINTAINERS: Add phy-miphy28lp.c and phy-miphy365x.c to ARCH/STI architecture
[deliverable/linux.git] / drivers / net / ethernet / chelsio / cxgb4 / cxgb4_debugfs.c
1 /*
2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
3 *
4 * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #include <linux/seq_file.h>
36 #include <linux/debugfs.h>
37 #include <linux/string_helpers.h>
38 #include <linux/sort.h>
39 #include <linux/ctype.h>
40
41 #include "cxgb4.h"
42 #include "t4_regs.h"
43 #include "t4_values.h"
44 #include "t4fw_api.h"
45 #include "cxgb4_debugfs.h"
46 #include "clip_tbl.h"
47 #include "l2t.h"
48
49 /* generic seq_file support for showing a table of size rows x width. */
50 static 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
56 static 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
66 static 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
74 static void seq_tab_stop(struct seq_file *seq, void *v)
75 {
76 }
77
78 static 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
85 static 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
92 struct 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
108 /* Trim the size of a seq_tab to the supplied number of rows. The operation is
109 * irreversible.
110 */
111 static 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
119 static 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
136 static 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
154 static 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
177 static 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
185 static 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
241 static int cim_qcfg_open(struct inode *inode, struct file *file)
242 {
243 return single_open(file, cim_qcfg_show, inode->i_private);
244 }
245
246 static 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
254 static 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
263 static 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
282 static 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
290 static 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
311 static 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
319 struct field_desc {
320 const char *name;
321 unsigned int start;
322 unsigned int width;
323 };
324
325 static 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
347 static 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
384 static 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
392 static 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
404 static 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
510 static 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
534 static 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
557 static 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
566 static 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
579 static 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
593 static 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
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 */
613 static 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
642 static int pm_stats_open(struct inode *inode, struct file *file)
643 {
644 return single_open(file, pm_stats_show, inode->i_private);
645 }
646
647 static 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
657 static 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
666 static 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;
673 u16 incr[NMTUS][NCCTRL_WIN];
674 struct adapter *adap = seq->private;
675
676 t4_read_cong_tbl(adap, incr);
677
678 for (i = 0; i < NCCTRL_WIN; ++i) {
679 seq_printf(seq, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
680 incr[0][i], incr[1][i], incr[2][i], incr[3][i],
681 incr[4][i], incr[5][i], incr[6][i], incr[7][i]);
682 seq_printf(seq, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
683 incr[8][i], incr[9][i], incr[10][i], incr[11][i],
684 incr[12][i], incr[13][i], incr[14][i], incr[15][i],
685 adap->params.a_wnd[i],
686 dec_fac[adap->params.b_wnd[i]]);
687 }
688 return 0;
689 }
690
691 DEFINE_SIMPLE_DEBUGFS_FILE(cctrl_tbl);
692
693 /* Format a value in a unit that differs from the value's native unit by the
694 * given factor.
695 */
696 static char *unit_conv(char *buf, size_t len, unsigned int val,
697 unsigned int factor)
698 {
699 unsigned int rem = val % factor;
700
701 if (rem == 0) {
702 snprintf(buf, len, "%u", val / factor);
703 } else {
704 while (rem % 10 == 0)
705 rem /= 10;
706 snprintf(buf, len, "%u.%u", val / factor, rem);
707 }
708 return buf;
709 }
710
711 static int clk_show(struct seq_file *seq, void *v)
712 {
713 char buf[32];
714 struct adapter *adap = seq->private;
715 unsigned int cclk_ps = 1000000000 / adap->params.vpd.cclk; /* in ps */
716 u32 res = t4_read_reg(adap, TP_TIMER_RESOLUTION_A);
717 unsigned int tre = TIMERRESOLUTION_G(res);
718 unsigned int dack_re = DELAYEDACKRESOLUTION_G(res);
719 unsigned long long tp_tick_us = (cclk_ps << tre) / 1000000; /* in us */
720
721 seq_printf(seq, "Core clock period: %s ns\n",
722 unit_conv(buf, sizeof(buf), cclk_ps, 1000));
723 seq_printf(seq, "TP timer tick: %s us\n",
724 unit_conv(buf, sizeof(buf), (cclk_ps << tre), 1000000));
725 seq_printf(seq, "TCP timestamp tick: %s us\n",
726 unit_conv(buf, sizeof(buf),
727 (cclk_ps << TIMESTAMPRESOLUTION_G(res)), 1000000));
728 seq_printf(seq, "DACK tick: %s us\n",
729 unit_conv(buf, sizeof(buf), (cclk_ps << dack_re), 1000000));
730 seq_printf(seq, "DACK timer: %u us\n",
731 ((cclk_ps << dack_re) / 1000000) *
732 t4_read_reg(adap, TP_DACK_TIMER_A));
733 seq_printf(seq, "Retransmit min: %llu us\n",
734 tp_tick_us * t4_read_reg(adap, TP_RXT_MIN_A));
735 seq_printf(seq, "Retransmit max: %llu us\n",
736 tp_tick_us * t4_read_reg(adap, TP_RXT_MAX_A));
737 seq_printf(seq, "Persist timer min: %llu us\n",
738 tp_tick_us * t4_read_reg(adap, TP_PERS_MIN_A));
739 seq_printf(seq, "Persist timer max: %llu us\n",
740 tp_tick_us * t4_read_reg(adap, TP_PERS_MAX_A));
741 seq_printf(seq, "Keepalive idle timer: %llu us\n",
742 tp_tick_us * t4_read_reg(adap, TP_KEEP_IDLE_A));
743 seq_printf(seq, "Keepalive interval: %llu us\n",
744 tp_tick_us * t4_read_reg(adap, TP_KEEP_INTVL_A));
745 seq_printf(seq, "Initial SRTT: %llu us\n",
746 tp_tick_us * INITSRTT_G(t4_read_reg(adap, TP_INIT_SRTT_A)));
747 seq_printf(seq, "FINWAIT2 timer: %llu us\n",
748 tp_tick_us * t4_read_reg(adap, TP_FINWAIT2_TIMER_A));
749
750 return 0;
751 }
752
753 DEFINE_SIMPLE_DEBUGFS_FILE(clk);
754
755 /* Firmware Device Log dump. */
756 static const char * const devlog_level_strings[] = {
757 [FW_DEVLOG_LEVEL_EMERG] = "EMERG",
758 [FW_DEVLOG_LEVEL_CRIT] = "CRIT",
759 [FW_DEVLOG_LEVEL_ERR] = "ERR",
760 [FW_DEVLOG_LEVEL_NOTICE] = "NOTICE",
761 [FW_DEVLOG_LEVEL_INFO] = "INFO",
762 [FW_DEVLOG_LEVEL_DEBUG] = "DEBUG"
763 };
764
765 static const char * const devlog_facility_strings[] = {
766 [FW_DEVLOG_FACILITY_CORE] = "CORE",
767 [FW_DEVLOG_FACILITY_SCHED] = "SCHED",
768 [FW_DEVLOG_FACILITY_TIMER] = "TIMER",
769 [FW_DEVLOG_FACILITY_RES] = "RES",
770 [FW_DEVLOG_FACILITY_HW] = "HW",
771 [FW_DEVLOG_FACILITY_FLR] = "FLR",
772 [FW_DEVLOG_FACILITY_DMAQ] = "DMAQ",
773 [FW_DEVLOG_FACILITY_PHY] = "PHY",
774 [FW_DEVLOG_FACILITY_MAC] = "MAC",
775 [FW_DEVLOG_FACILITY_PORT] = "PORT",
776 [FW_DEVLOG_FACILITY_VI] = "VI",
777 [FW_DEVLOG_FACILITY_FILTER] = "FILTER",
778 [FW_DEVLOG_FACILITY_ACL] = "ACL",
779 [FW_DEVLOG_FACILITY_TM] = "TM",
780 [FW_DEVLOG_FACILITY_QFC] = "QFC",
781 [FW_DEVLOG_FACILITY_DCB] = "DCB",
782 [FW_DEVLOG_FACILITY_ETH] = "ETH",
783 [FW_DEVLOG_FACILITY_OFLD] = "OFLD",
784 [FW_DEVLOG_FACILITY_RI] = "RI",
785 [FW_DEVLOG_FACILITY_ISCSI] = "ISCSI",
786 [FW_DEVLOG_FACILITY_FCOE] = "FCOE",
787 [FW_DEVLOG_FACILITY_FOISCSI] = "FOISCSI",
788 [FW_DEVLOG_FACILITY_FOFCOE] = "FOFCOE"
789 };
790
791 /* Information gathered by Device Log Open routine for the display routine.
792 */
793 struct devlog_info {
794 unsigned int nentries; /* number of entries in log[] */
795 unsigned int first; /* first [temporal] entry in log[] */
796 struct fw_devlog_e log[0]; /* Firmware Device Log */
797 };
798
799 /* Dump a Firmaware Device Log entry.
800 */
801 static int devlog_show(struct seq_file *seq, void *v)
802 {
803 if (v == SEQ_START_TOKEN)
804 seq_printf(seq, "%10s %15s %8s %8s %s\n",
805 "Seq#", "Tstamp", "Level", "Facility", "Message");
806 else {
807 struct devlog_info *dinfo = seq->private;
808 int fidx = (uintptr_t)v - 2;
809 unsigned long index;
810 struct fw_devlog_e *e;
811
812 /* Get a pointer to the log entry to display. Skip unused log
813 * entries.
814 */
815 index = dinfo->first + fidx;
816 if (index >= dinfo->nentries)
817 index -= dinfo->nentries;
818 e = &dinfo->log[index];
819 if (e->timestamp == 0)
820 return 0;
821
822 /* Print the message. This depends on the firmware using
823 * exactly the same formating strings as the kernel so we may
824 * eventually have to put a format interpreter in here ...
825 */
826 seq_printf(seq, "%10d %15llu %8s %8s ",
827 e->seqno, e->timestamp,
828 (e->level < ARRAY_SIZE(devlog_level_strings)
829 ? devlog_level_strings[e->level]
830 : "UNKNOWN"),
831 (e->facility < ARRAY_SIZE(devlog_facility_strings)
832 ? devlog_facility_strings[e->facility]
833 : "UNKNOWN"));
834 seq_printf(seq, e->fmt, e->params[0], e->params[1],
835 e->params[2], e->params[3], e->params[4],
836 e->params[5], e->params[6], e->params[7]);
837 }
838 return 0;
839 }
840
841 /* Sequential File Operations for Device Log.
842 */
843 static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos)
844 {
845 if (pos > dinfo->nentries)
846 return NULL;
847
848 return (void *)(uintptr_t)(pos + 1);
849 }
850
851 static void *devlog_start(struct seq_file *seq, loff_t *pos)
852 {
853 struct devlog_info *dinfo = seq->private;
854
855 return (*pos
856 ? devlog_get_idx(dinfo, *pos)
857 : SEQ_START_TOKEN);
858 }
859
860 static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos)
861 {
862 struct devlog_info *dinfo = seq->private;
863
864 (*pos)++;
865 return devlog_get_idx(dinfo, *pos);
866 }
867
868 static void devlog_stop(struct seq_file *seq, void *v)
869 {
870 }
871
872 static const struct seq_operations devlog_seq_ops = {
873 .start = devlog_start,
874 .next = devlog_next,
875 .stop = devlog_stop,
876 .show = devlog_show
877 };
878
879 /* Set up for reading the firmware's device log. We read the entire log here
880 * and then display it incrementally in devlog_show().
881 */
882 static int devlog_open(struct inode *inode, struct file *file)
883 {
884 struct adapter *adap = inode->i_private;
885 struct devlog_params *dparams = &adap->params.devlog;
886 struct devlog_info *dinfo;
887 unsigned int index;
888 u32 fseqno;
889 int ret;
890
891 /* If we don't know where the log is we can't do anything.
892 */
893 if (dparams->start == 0)
894 return -ENXIO;
895
896 /* Allocate the space to read in the firmware's device log and set up
897 * for the iterated call to our display function.
898 */
899 dinfo = __seq_open_private(file, &devlog_seq_ops,
900 sizeof(*dinfo) + dparams->size);
901 if (!dinfo)
902 return -ENOMEM;
903
904 /* Record the basic log buffer information and read in the raw log.
905 */
906 dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e));
907 dinfo->first = 0;
908 spin_lock(&adap->win0_lock);
909 ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype,
910 dparams->start, dparams->size, (__be32 *)dinfo->log,
911 T4_MEMORY_READ);
912 spin_unlock(&adap->win0_lock);
913 if (ret) {
914 seq_release_private(inode, file);
915 return ret;
916 }
917
918 /* Translate log multi-byte integral elements into host native format
919 * and determine where the first entry in the log is.
920 */
921 for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) {
922 struct fw_devlog_e *e = &dinfo->log[index];
923 int i;
924 __u32 seqno;
925
926 if (e->timestamp == 0)
927 continue;
928
929 e->timestamp = (__force __be64)be64_to_cpu(e->timestamp);
930 seqno = be32_to_cpu(e->seqno);
931 for (i = 0; i < 8; i++)
932 e->params[i] =
933 (__force __be32)be32_to_cpu(e->params[i]);
934
935 if (seqno < fseqno) {
936 fseqno = seqno;
937 dinfo->first = index;
938 }
939 }
940 return 0;
941 }
942
943 static const struct file_operations devlog_fops = {
944 .owner = THIS_MODULE,
945 .open = devlog_open,
946 .read = seq_read,
947 .llseek = seq_lseek,
948 .release = seq_release_private
949 };
950
951 static int mbox_show(struct seq_file *seq, void *v)
952 {
953 static const char * const owner[] = { "none", "FW", "driver",
954 "unknown" };
955
956 int i;
957 unsigned int mbox = (uintptr_t)seq->private & 7;
958 struct adapter *adap = seq->private - mbox;
959 void __iomem *addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
960 unsigned int ctrl_reg = (is_t4(adap->params.chip)
961 ? CIM_PF_MAILBOX_CTRL_A
962 : CIM_PF_MAILBOX_CTRL_SHADOW_COPY_A);
963 void __iomem *ctrl = adap->regs + PF_REG(mbox, ctrl_reg);
964
965 i = MBOWNER_G(readl(ctrl));
966 seq_printf(seq, "mailbox owned by %s\n\n", owner[i]);
967
968 for (i = 0; i < MBOX_LEN; i += 8)
969 seq_printf(seq, "%016llx\n",
970 (unsigned long long)readq(addr + i));
971 return 0;
972 }
973
974 static int mbox_open(struct inode *inode, struct file *file)
975 {
976 return single_open(file, mbox_show, inode->i_private);
977 }
978
979 static ssize_t mbox_write(struct file *file, const char __user *buf,
980 size_t count, loff_t *pos)
981 {
982 int i;
983 char c = '\n', s[256];
984 unsigned long long data[8];
985 const struct inode *ino;
986 unsigned int mbox;
987 struct adapter *adap;
988 void __iomem *addr;
989 void __iomem *ctrl;
990
991 if (count > sizeof(s) - 1 || !count)
992 return -EINVAL;
993 if (copy_from_user(s, buf, count))
994 return -EFAULT;
995 s[count] = '\0';
996
997 if (sscanf(s, "%llx %llx %llx %llx %llx %llx %llx %llx%c", &data[0],
998 &data[1], &data[2], &data[3], &data[4], &data[5], &data[6],
999 &data[7], &c) < 8 || c != '\n')
1000 return -EINVAL;
1001
1002 ino = FILE_DATA(file);
1003 mbox = (uintptr_t)ino->i_private & 7;
1004 adap = ino->i_private - mbox;
1005 addr = adap->regs + PF_REG(mbox, CIM_PF_MAILBOX_DATA_A);
1006 ctrl = addr + MBOX_LEN;
1007
1008 if (MBOWNER_G(readl(ctrl)) != X_MBOWNER_PL)
1009 return -EBUSY;
1010
1011 for (i = 0; i < 8; i++)
1012 writeq(data[i], addr + 8 * i);
1013
1014 writel(MBMSGVALID_F | MBOWNER_V(X_MBOWNER_FW), ctrl);
1015 return count;
1016 }
1017
1018 static const struct file_operations mbox_debugfs_fops = {
1019 .owner = THIS_MODULE,
1020 .open = mbox_open,
1021 .read = seq_read,
1022 .llseek = seq_lseek,
1023 .release = single_release,
1024 .write = mbox_write
1025 };
1026
1027 static ssize_t flash_read(struct file *file, char __user *buf, size_t count,
1028 loff_t *ppos)
1029 {
1030 loff_t pos = *ppos;
1031 loff_t avail = FILE_DATA(file)->i_size;
1032 struct adapter *adap = file->private_data;
1033
1034 if (pos < 0)
1035 return -EINVAL;
1036 if (pos >= avail)
1037 return 0;
1038 if (count > avail - pos)
1039 count = avail - pos;
1040
1041 while (count) {
1042 size_t len;
1043 int ret, ofst;
1044 u8 data[256];
1045
1046 ofst = pos & 3;
1047 len = min(count + ofst, sizeof(data));
1048 ret = t4_read_flash(adap, pos - ofst, (len + 3) / 4,
1049 (u32 *)data, 1);
1050 if (ret)
1051 return ret;
1052
1053 len -= ofst;
1054 if (copy_to_user(buf, data + ofst, len))
1055 return -EFAULT;
1056
1057 buf += len;
1058 pos += len;
1059 count -= len;
1060 }
1061 count = pos - *ppos;
1062 *ppos = pos;
1063 return count;
1064 }
1065
1066 static const struct file_operations flash_debugfs_fops = {
1067 .owner = THIS_MODULE,
1068 .open = mem_open,
1069 .read = flash_read,
1070 };
1071
1072 static inline void tcamxy2valmask(u64 x, u64 y, u8 *addr, u64 *mask)
1073 {
1074 *mask = x | y;
1075 y = (__force u64)cpu_to_be64(y);
1076 memcpy(addr, (char *)&y + 2, ETH_ALEN);
1077 }
1078
1079 static int mps_tcam_show(struct seq_file *seq, void *v)
1080 {
1081 if (v == SEQ_START_TOKEN)
1082 seq_puts(seq, "Idx Ethernet address Mask Vld Ports PF"
1083 " VF Replication "
1084 "P0 P1 P2 P3 ML\n");
1085 else {
1086 u64 mask;
1087 u8 addr[ETH_ALEN];
1088 struct adapter *adap = seq->private;
1089 unsigned int idx = (uintptr_t)v - 2;
1090 u64 tcamy = t4_read_reg64(adap, MPS_CLS_TCAM_Y_L(idx));
1091 u64 tcamx = t4_read_reg64(adap, MPS_CLS_TCAM_X_L(idx));
1092 u32 cls_lo = t4_read_reg(adap, MPS_CLS_SRAM_L(idx));
1093 u32 cls_hi = t4_read_reg(adap, MPS_CLS_SRAM_H(idx));
1094 u32 rplc[4] = {0, 0, 0, 0};
1095
1096 if (tcamx & tcamy) {
1097 seq_printf(seq, "%3u -\n", idx);
1098 goto out;
1099 }
1100
1101 if (cls_lo & REPLICATE_F) {
1102 struct fw_ldst_cmd ldst_cmd;
1103 int ret;
1104
1105 memset(&ldst_cmd, 0, sizeof(ldst_cmd));
1106 ldst_cmd.op_to_addrspace =
1107 htonl(FW_CMD_OP_V(FW_LDST_CMD) |
1108 FW_CMD_REQUEST_F |
1109 FW_CMD_READ_F |
1110 FW_LDST_CMD_ADDRSPACE_V(
1111 FW_LDST_ADDRSPC_MPS));
1112 ldst_cmd.cycles_to_len16 = htonl(FW_LEN16(ldst_cmd));
1113 ldst_cmd.u.mps.fid_ctl =
1114 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC) |
1115 FW_LDST_CMD_CTL_V(idx));
1116 ret = t4_wr_mbox(adap, adap->mbox, &ldst_cmd,
1117 sizeof(ldst_cmd), &ldst_cmd);
1118 if (ret)
1119 dev_warn(adap->pdev_dev, "Can't read MPS "
1120 "replication map for idx %d: %d\n",
1121 idx, -ret);
1122 else {
1123 rplc[0] = ntohl(ldst_cmd.u.mps.rplc31_0);
1124 rplc[1] = ntohl(ldst_cmd.u.mps.rplc63_32);
1125 rplc[2] = ntohl(ldst_cmd.u.mps.rplc95_64);
1126 rplc[3] = ntohl(ldst_cmd.u.mps.rplc127_96);
1127 }
1128 }
1129
1130 tcamxy2valmask(tcamx, tcamy, addr, &mask);
1131 seq_printf(seq, "%3u %02x:%02x:%02x:%02x:%02x:%02x %012llx"
1132 "%3c %#x%4u%4d",
1133 idx, addr[0], addr[1], addr[2], addr[3], addr[4],
1134 addr[5], (unsigned long long)mask,
1135 (cls_lo & SRAM_VLD_F) ? 'Y' : 'N', PORTMAP_G(cls_hi),
1136 PF_G(cls_lo),
1137 (cls_lo & VF_VALID_F) ? VF_G(cls_lo) : -1);
1138 if (cls_lo & REPLICATE_F)
1139 seq_printf(seq, " %08x %08x %08x %08x",
1140 rplc[3], rplc[2], rplc[1], rplc[0]);
1141 else
1142 seq_printf(seq, "%36c", ' ');
1143 seq_printf(seq, "%4u%3u%3u%3u %#x\n",
1144 SRAM_PRIO0_G(cls_lo), SRAM_PRIO1_G(cls_lo),
1145 SRAM_PRIO2_G(cls_lo), SRAM_PRIO3_G(cls_lo),
1146 (cls_lo >> MULTILISTEN0_S) & 0xf);
1147 }
1148 out: return 0;
1149 }
1150
1151 static inline void *mps_tcam_get_idx(struct seq_file *seq, loff_t pos)
1152 {
1153 struct adapter *adap = seq->private;
1154 int max_mac_addr = is_t4(adap->params.chip) ?
1155 NUM_MPS_CLS_SRAM_L_INSTANCES :
1156 NUM_MPS_T5_CLS_SRAM_L_INSTANCES;
1157 return ((pos <= max_mac_addr) ? (void *)(uintptr_t)(pos + 1) : NULL);
1158 }
1159
1160 static void *mps_tcam_start(struct seq_file *seq, loff_t *pos)
1161 {
1162 return *pos ? mps_tcam_get_idx(seq, *pos) : SEQ_START_TOKEN;
1163 }
1164
1165 static void *mps_tcam_next(struct seq_file *seq, void *v, loff_t *pos)
1166 {
1167 ++*pos;
1168 return mps_tcam_get_idx(seq, *pos);
1169 }
1170
1171 static void mps_tcam_stop(struct seq_file *seq, void *v)
1172 {
1173 }
1174
1175 static const struct seq_operations mps_tcam_seq_ops = {
1176 .start = mps_tcam_start,
1177 .next = mps_tcam_next,
1178 .stop = mps_tcam_stop,
1179 .show = mps_tcam_show
1180 };
1181
1182 static int mps_tcam_open(struct inode *inode, struct file *file)
1183 {
1184 int res = seq_open(file, &mps_tcam_seq_ops);
1185
1186 if (!res) {
1187 struct seq_file *seq = file->private_data;
1188
1189 seq->private = inode->i_private;
1190 }
1191 return res;
1192 }
1193
1194 static const struct file_operations mps_tcam_debugfs_fops = {
1195 .owner = THIS_MODULE,
1196 .open = mps_tcam_open,
1197 .read = seq_read,
1198 .llseek = seq_lseek,
1199 .release = seq_release,
1200 };
1201
1202 /* Display various sensor information.
1203 */
1204 static int sensors_show(struct seq_file *seq, void *v)
1205 {
1206 struct adapter *adap = seq->private;
1207 u32 param[7], val[7];
1208 int ret;
1209
1210 /* Note that if the sensors haven't been initialized and turned on
1211 * we'll get values of 0, so treat those as "<unknown>" ...
1212 */
1213 param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1214 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1215 FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
1216 param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
1217 FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
1218 FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
1219 ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2,
1220 param, val);
1221
1222 if (ret < 0 || val[0] == 0)
1223 seq_puts(seq, "Temperature: <unknown>\n");
1224 else
1225 seq_printf(seq, "Temperature: %dC\n", val[0]);
1226
1227 if (ret < 0 || val[1] == 0)
1228 seq_puts(seq, "Core VDD: <unknown>\n");
1229 else
1230 seq_printf(seq, "Core VDD: %dmV\n", val[1]);
1231
1232 return 0;
1233 }
1234
1235 DEFINE_SIMPLE_DEBUGFS_FILE(sensors);
1236
1237 #if IS_ENABLED(CONFIG_IPV6)
1238 static int clip_tbl_open(struct inode *inode, struct file *file)
1239 {
1240 return single_open(file, clip_tbl_show, inode->i_private);
1241 }
1242
1243 static const struct file_operations clip_tbl_debugfs_fops = {
1244 .owner = THIS_MODULE,
1245 .open = clip_tbl_open,
1246 .read = seq_read,
1247 .llseek = seq_lseek,
1248 .release = single_release
1249 };
1250 #endif
1251
1252 /*RSS Table.
1253 */
1254
1255 static int rss_show(struct seq_file *seq, void *v, int idx)
1256 {
1257 u16 *entry = v;
1258
1259 seq_printf(seq, "%4d: %4u %4u %4u %4u %4u %4u %4u %4u\n",
1260 idx * 8, entry[0], entry[1], entry[2], entry[3], entry[4],
1261 entry[5], entry[6], entry[7]);
1262 return 0;
1263 }
1264
1265 static int rss_open(struct inode *inode, struct file *file)
1266 {
1267 int ret;
1268 struct seq_tab *p;
1269 struct adapter *adap = inode->i_private;
1270
1271 p = seq_open_tab(file, RSS_NENTRIES / 8, 8 * sizeof(u16), 0, rss_show);
1272 if (!p)
1273 return -ENOMEM;
1274
1275 ret = t4_read_rss(adap, (u16 *)p->data);
1276 if (ret)
1277 seq_release_private(inode, file);
1278
1279 return ret;
1280 }
1281
1282 static const struct file_operations rss_debugfs_fops = {
1283 .owner = THIS_MODULE,
1284 .open = rss_open,
1285 .read = seq_read,
1286 .llseek = seq_lseek,
1287 .release = seq_release_private
1288 };
1289
1290 /* RSS Configuration.
1291 */
1292
1293 /* Small utility function to return the strings "yes" or "no" if the supplied
1294 * argument is non-zero.
1295 */
1296 static const char *yesno(int x)
1297 {
1298 static const char *yes = "yes";
1299 static const char *no = "no";
1300
1301 return x ? yes : no;
1302 }
1303
1304 static int rss_config_show(struct seq_file *seq, void *v)
1305 {
1306 struct adapter *adapter = seq->private;
1307 static const char * const keymode[] = {
1308 "global",
1309 "global and per-VF scramble",
1310 "per-PF and per-VF scramble",
1311 "per-VF and per-VF scramble",
1312 };
1313 u32 rssconf;
1314
1315 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_A);
1316 seq_printf(seq, "TP_RSS_CONFIG: %#x\n", rssconf);
1317 seq_printf(seq, " Tnl4TupEnIpv6: %3s\n", yesno(rssconf &
1318 TNL4TUPENIPV6_F));
1319 seq_printf(seq, " Tnl2TupEnIpv6: %3s\n", yesno(rssconf &
1320 TNL2TUPENIPV6_F));
1321 seq_printf(seq, " Tnl4TupEnIpv4: %3s\n", yesno(rssconf &
1322 TNL4TUPENIPV4_F));
1323 seq_printf(seq, " Tnl2TupEnIpv4: %3s\n", yesno(rssconf &
1324 TNL2TUPENIPV4_F));
1325 seq_printf(seq, " TnlTcpSel: %3s\n", yesno(rssconf & TNLTCPSEL_F));
1326 seq_printf(seq, " TnlIp6Sel: %3s\n", yesno(rssconf & TNLIP6SEL_F));
1327 seq_printf(seq, " TnlVrtSel: %3s\n", yesno(rssconf & TNLVRTSEL_F));
1328 seq_printf(seq, " TnlMapEn: %3s\n", yesno(rssconf & TNLMAPEN_F));
1329 seq_printf(seq, " OfdHashSave: %3s\n", yesno(rssconf &
1330 OFDHASHSAVE_F));
1331 seq_printf(seq, " OfdVrtSel: %3s\n", yesno(rssconf & OFDVRTSEL_F));
1332 seq_printf(seq, " OfdMapEn: %3s\n", yesno(rssconf & OFDMAPEN_F));
1333 seq_printf(seq, " OfdLkpEn: %3s\n", yesno(rssconf & OFDLKPEN_F));
1334 seq_printf(seq, " Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1335 SYN4TUPENIPV6_F));
1336 seq_printf(seq, " Syn2TupEnIpv6: %3s\n", yesno(rssconf &
1337 SYN2TUPENIPV6_F));
1338 seq_printf(seq, " Syn4TupEnIpv4: %3s\n", yesno(rssconf &
1339 SYN4TUPENIPV4_F));
1340 seq_printf(seq, " Syn2TupEnIpv4: %3s\n", yesno(rssconf &
1341 SYN2TUPENIPV4_F));
1342 seq_printf(seq, " Syn4TupEnIpv6: %3s\n", yesno(rssconf &
1343 SYN4TUPENIPV6_F));
1344 seq_printf(seq, " SynIp6Sel: %3s\n", yesno(rssconf & SYNIP6SEL_F));
1345 seq_printf(seq, " SynVrt6Sel: %3s\n", yesno(rssconf & SYNVRTSEL_F));
1346 seq_printf(seq, " SynMapEn: %3s\n", yesno(rssconf & SYNMAPEN_F));
1347 seq_printf(seq, " SynLkpEn: %3s\n", yesno(rssconf & SYNLKPEN_F));
1348 seq_printf(seq, " ChnEn: %3s\n", yesno(rssconf &
1349 CHANNELENABLE_F));
1350 seq_printf(seq, " PrtEn: %3s\n", yesno(rssconf &
1351 PORTENABLE_F));
1352 seq_printf(seq, " TnlAllLkp: %3s\n", yesno(rssconf &
1353 TNLALLLOOKUP_F));
1354 seq_printf(seq, " VrtEn: %3s\n", yesno(rssconf &
1355 VIRTENABLE_F));
1356 seq_printf(seq, " CngEn: %3s\n", yesno(rssconf &
1357 CONGESTIONENABLE_F));
1358 seq_printf(seq, " HashToeplitz: %3s\n", yesno(rssconf &
1359 HASHTOEPLITZ_F));
1360 seq_printf(seq, " Udp4En: %3s\n", yesno(rssconf & UDPENABLE_F));
1361 seq_printf(seq, " Disable: %3s\n", yesno(rssconf & DISABLE_F));
1362
1363 seq_puts(seq, "\n");
1364
1365 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_TNL_A);
1366 seq_printf(seq, "TP_RSS_CONFIG_TNL: %#x\n", rssconf);
1367 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
1368 seq_printf(seq, " MaskFilter: %3d\n", MASKFILTER_G(rssconf));
1369 if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1370 seq_printf(seq, " HashAll: %3s\n",
1371 yesno(rssconf & HASHALL_F));
1372 seq_printf(seq, " HashEth: %3s\n",
1373 yesno(rssconf & HASHETH_F));
1374 }
1375 seq_printf(seq, " UseWireCh: %3s\n", yesno(rssconf & USEWIRECH_F));
1376
1377 seq_puts(seq, "\n");
1378
1379 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_OFD_A);
1380 seq_printf(seq, "TP_RSS_CONFIG_OFD: %#x\n", rssconf);
1381 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
1382 seq_printf(seq, " RRCplMapEn: %3s\n", yesno(rssconf &
1383 RRCPLMAPEN_F));
1384 seq_printf(seq, " RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf));
1385
1386 seq_puts(seq, "\n");
1387
1388 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_SYN_A);
1389 seq_printf(seq, "TP_RSS_CONFIG_SYN: %#x\n", rssconf);
1390 seq_printf(seq, " MaskSize: %3d\n", MASKSIZE_G(rssconf));
1391 seq_printf(seq, " UseWireCh: %3s\n", yesno(rssconf & USEWIRECH_F));
1392
1393 seq_puts(seq, "\n");
1394
1395 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_VRT_A);
1396 seq_printf(seq, "TP_RSS_CONFIG_VRT: %#x\n", rssconf);
1397 if (CHELSIO_CHIP_VERSION(adapter->params.chip) > CHELSIO_T5) {
1398 seq_printf(seq, " KeyWrAddrX: %3d\n",
1399 KEYWRADDRX_G(rssconf));
1400 seq_printf(seq, " KeyExtend: %3s\n",
1401 yesno(rssconf & KEYEXTEND_F));
1402 }
1403 seq_printf(seq, " VfRdRg: %3s\n", yesno(rssconf & VFRDRG_F));
1404 seq_printf(seq, " VfRdEn: %3s\n", yesno(rssconf & VFRDEN_F));
1405 seq_printf(seq, " VfPerrEn: %3s\n", yesno(rssconf & VFPERREN_F));
1406 seq_printf(seq, " KeyPerrEn: %3s\n", yesno(rssconf & KEYPERREN_F));
1407 seq_printf(seq, " DisVfVlan: %3s\n", yesno(rssconf &
1408 DISABLEVLAN_F));
1409 seq_printf(seq, " EnUpSwt: %3s\n", yesno(rssconf & ENABLEUP0_F));
1410 seq_printf(seq, " HashDelay: %3d\n", HASHDELAY_G(rssconf));
1411 if (CHELSIO_CHIP_VERSION(adapter->params.chip) <= CHELSIO_T5)
1412 seq_printf(seq, " VfWrAddr: %3d\n", VFWRADDR_G(rssconf));
1413 seq_printf(seq, " KeyMode: %s\n", keymode[KEYMODE_G(rssconf)]);
1414 seq_printf(seq, " VfWrEn: %3s\n", yesno(rssconf & VFWREN_F));
1415 seq_printf(seq, " KeyWrEn: %3s\n", yesno(rssconf & KEYWREN_F));
1416 seq_printf(seq, " KeyWrAddr: %3d\n", KEYWRADDR_G(rssconf));
1417
1418 seq_puts(seq, "\n");
1419
1420 rssconf = t4_read_reg(adapter, TP_RSS_CONFIG_CNG_A);
1421 seq_printf(seq, "TP_RSS_CONFIG_CNG: %#x\n", rssconf);
1422 seq_printf(seq, " ChnCount3: %3s\n", yesno(rssconf & CHNCOUNT3_F));
1423 seq_printf(seq, " ChnCount2: %3s\n", yesno(rssconf & CHNCOUNT2_F));
1424 seq_printf(seq, " ChnCount1: %3s\n", yesno(rssconf & CHNCOUNT1_F));
1425 seq_printf(seq, " ChnCount0: %3s\n", yesno(rssconf & CHNCOUNT0_F));
1426 seq_printf(seq, " ChnUndFlow3: %3s\n", yesno(rssconf &
1427 CHNUNDFLOW3_F));
1428 seq_printf(seq, " ChnUndFlow2: %3s\n", yesno(rssconf &
1429 CHNUNDFLOW2_F));
1430 seq_printf(seq, " ChnUndFlow1: %3s\n", yesno(rssconf &
1431 CHNUNDFLOW1_F));
1432 seq_printf(seq, " ChnUndFlow0: %3s\n", yesno(rssconf &
1433 CHNUNDFLOW0_F));
1434 seq_printf(seq, " RstChn3: %3s\n", yesno(rssconf & RSTCHN3_F));
1435 seq_printf(seq, " RstChn2: %3s\n", yesno(rssconf & RSTCHN2_F));
1436 seq_printf(seq, " RstChn1: %3s\n", yesno(rssconf & RSTCHN1_F));
1437 seq_printf(seq, " RstChn0: %3s\n", yesno(rssconf & RSTCHN0_F));
1438 seq_printf(seq, " UpdVld: %3s\n", yesno(rssconf & UPDVLD_F));
1439 seq_printf(seq, " Xoff: %3s\n", yesno(rssconf & XOFF_F));
1440 seq_printf(seq, " UpdChn3: %3s\n", yesno(rssconf & UPDCHN3_F));
1441 seq_printf(seq, " UpdChn2: %3s\n", yesno(rssconf & UPDCHN2_F));
1442 seq_printf(seq, " UpdChn1: %3s\n", yesno(rssconf & UPDCHN1_F));
1443 seq_printf(seq, " UpdChn0: %3s\n", yesno(rssconf & UPDCHN0_F));
1444 seq_printf(seq, " Queue: %3d\n", QUEUE_G(rssconf));
1445
1446 return 0;
1447 }
1448
1449 DEFINE_SIMPLE_DEBUGFS_FILE(rss_config);
1450
1451 /* RSS Secret Key.
1452 */
1453
1454 static int rss_key_show(struct seq_file *seq, void *v)
1455 {
1456 u32 key[10];
1457
1458 t4_read_rss_key(seq->private, key);
1459 seq_printf(seq, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
1460 key[9], key[8], key[7], key[6], key[5], key[4], key[3],
1461 key[2], key[1], key[0]);
1462 return 0;
1463 }
1464
1465 static int rss_key_open(struct inode *inode, struct file *file)
1466 {
1467 return single_open(file, rss_key_show, inode->i_private);
1468 }
1469
1470 static ssize_t rss_key_write(struct file *file, const char __user *buf,
1471 size_t count, loff_t *pos)
1472 {
1473 int i, j;
1474 u32 key[10];
1475 char s[100], *p;
1476 struct adapter *adap = FILE_DATA(file)->i_private;
1477
1478 if (count > sizeof(s) - 1)
1479 return -EINVAL;
1480 if (copy_from_user(s, buf, count))
1481 return -EFAULT;
1482 for (i = count; i > 0 && isspace(s[i - 1]); i--)
1483 ;
1484 s[i] = '\0';
1485
1486 for (p = s, i = 9; i >= 0; i--) {
1487 key[i] = 0;
1488 for (j = 0; j < 8; j++, p++) {
1489 if (!isxdigit(*p))
1490 return -EINVAL;
1491 key[i] = (key[i] << 4) | hex2val(*p);
1492 }
1493 }
1494
1495 t4_write_rss_key(adap, key, -1);
1496 return count;
1497 }
1498
1499 static const struct file_operations rss_key_debugfs_fops = {
1500 .owner = THIS_MODULE,
1501 .open = rss_key_open,
1502 .read = seq_read,
1503 .llseek = seq_lseek,
1504 .release = single_release,
1505 .write = rss_key_write
1506 };
1507
1508 /* PF RSS Configuration.
1509 */
1510
1511 struct rss_pf_conf {
1512 u32 rss_pf_map;
1513 u32 rss_pf_mask;
1514 u32 rss_pf_config;
1515 };
1516
1517 static int rss_pf_config_show(struct seq_file *seq, void *v, int idx)
1518 {
1519 struct rss_pf_conf *pfconf;
1520
1521 if (v == SEQ_START_TOKEN) {
1522 /* use the 0th entry to dump the PF Map Index Size */
1523 pfconf = seq->private + offsetof(struct seq_tab, data);
1524 seq_printf(seq, "PF Map Index Size = %d\n\n",
1525 LKPIDXSIZE_G(pfconf->rss_pf_map));
1526
1527 seq_puts(seq, " RSS PF VF Hash Tuple Enable Default\n");
1528 seq_puts(seq, " Enable IPF Mask Mask IPv6 IPv4 UDP Queue\n");
1529 seq_puts(seq, " PF Map Chn Prt Map Size Size Four Two Four Two Four Ch1 Ch0\n");
1530 } else {
1531 #define G_PFnLKPIDX(map, n) \
1532 (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
1533 #define G_PFnMSKSIZE(mask, n) \
1534 (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
1535
1536 pfconf = v;
1537 seq_printf(seq, "%3d %3s %3s %3s %3d %3d %3d %3s %3s %3s %3s %3s %3d %3d\n",
1538 idx,
1539 yesno(pfconf->rss_pf_config & MAPENABLE_F),
1540 yesno(pfconf->rss_pf_config & CHNENABLE_F),
1541 yesno(pfconf->rss_pf_config & PRTENABLE_F),
1542 G_PFnLKPIDX(pfconf->rss_pf_map, idx),
1543 G_PFnMSKSIZE(pfconf->rss_pf_mask, idx),
1544 IVFWIDTH_G(pfconf->rss_pf_config),
1545 yesno(pfconf->rss_pf_config & IP6FOURTUPEN_F),
1546 yesno(pfconf->rss_pf_config & IP6TWOTUPEN_F),
1547 yesno(pfconf->rss_pf_config & IP4FOURTUPEN_F),
1548 yesno(pfconf->rss_pf_config & IP4TWOTUPEN_F),
1549 yesno(pfconf->rss_pf_config & UDPFOURTUPEN_F),
1550 CH1DEFAULTQUEUE_G(pfconf->rss_pf_config),
1551 CH0DEFAULTQUEUE_G(pfconf->rss_pf_config));
1552
1553 #undef G_PFnLKPIDX
1554 #undef G_PFnMSKSIZE
1555 }
1556 return 0;
1557 }
1558
1559 static int rss_pf_config_open(struct inode *inode, struct file *file)
1560 {
1561 struct adapter *adapter = inode->i_private;
1562 struct seq_tab *p;
1563 u32 rss_pf_map, rss_pf_mask;
1564 struct rss_pf_conf *pfconf;
1565 int pf;
1566
1567 p = seq_open_tab(file, 8, sizeof(*pfconf), 1, rss_pf_config_show);
1568 if (!p)
1569 return -ENOMEM;
1570
1571 pfconf = (struct rss_pf_conf *)p->data;
1572 rss_pf_map = t4_read_rss_pf_map(adapter);
1573 rss_pf_mask = t4_read_rss_pf_mask(adapter);
1574 for (pf = 0; pf < 8; pf++) {
1575 pfconf[pf].rss_pf_map = rss_pf_map;
1576 pfconf[pf].rss_pf_mask = rss_pf_mask;
1577 t4_read_rss_pf_config(adapter, pf, &pfconf[pf].rss_pf_config);
1578 }
1579 return 0;
1580 }
1581
1582 static const struct file_operations rss_pf_config_debugfs_fops = {
1583 .owner = THIS_MODULE,
1584 .open = rss_pf_config_open,
1585 .read = seq_read,
1586 .llseek = seq_lseek,
1587 .release = seq_release_private
1588 };
1589
1590 /* VF RSS Configuration.
1591 */
1592
1593 struct rss_vf_conf {
1594 u32 rss_vf_vfl;
1595 u32 rss_vf_vfh;
1596 };
1597
1598 static int rss_vf_config_show(struct seq_file *seq, void *v, int idx)
1599 {
1600 if (v == SEQ_START_TOKEN) {
1601 seq_puts(seq, " RSS Hash Tuple Enable\n");
1602 seq_puts(seq, " Enable IVF Dis Enb IPv6 IPv4 UDP Def Secret Key\n");
1603 seq_puts(seq, " VF Chn Prt Map VLAN uP Four Two Four Two Four Que Idx Hash\n");
1604 } else {
1605 struct rss_vf_conf *vfconf = v;
1606
1607 seq_printf(seq, "%3d %3s %3s %3d %3s %3s %3s %3s %3s %3s %3s %4d %3d %#10x\n",
1608 idx,
1609 yesno(vfconf->rss_vf_vfh & VFCHNEN_F),
1610 yesno(vfconf->rss_vf_vfh & VFPRTEN_F),
1611 VFLKPIDX_G(vfconf->rss_vf_vfh),
1612 yesno(vfconf->rss_vf_vfh & VFVLNEX_F),
1613 yesno(vfconf->rss_vf_vfh & VFUPEN_F),
1614 yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1615 yesno(vfconf->rss_vf_vfh & VFIP6TWOTUPEN_F),
1616 yesno(vfconf->rss_vf_vfh & VFIP4FOURTUPEN_F),
1617 yesno(vfconf->rss_vf_vfh & VFIP4TWOTUPEN_F),
1618 yesno(vfconf->rss_vf_vfh & ENABLEUDPHASH_F),
1619 DEFAULTQUEUE_G(vfconf->rss_vf_vfh),
1620 KEYINDEX_G(vfconf->rss_vf_vfh),
1621 vfconf->rss_vf_vfl);
1622 }
1623 return 0;
1624 }
1625
1626 static int rss_vf_config_open(struct inode *inode, struct file *file)
1627 {
1628 struct adapter *adapter = inode->i_private;
1629 struct seq_tab *p;
1630 struct rss_vf_conf *vfconf;
1631 int vf;
1632
1633 p = seq_open_tab(file, 128, sizeof(*vfconf), 1, rss_vf_config_show);
1634 if (!p)
1635 return -ENOMEM;
1636
1637 vfconf = (struct rss_vf_conf *)p->data;
1638 for (vf = 0; vf < 128; vf++) {
1639 t4_read_rss_vf_config(adapter, vf, &vfconf[vf].rss_vf_vfl,
1640 &vfconf[vf].rss_vf_vfh);
1641 }
1642 return 0;
1643 }
1644
1645 static const struct file_operations rss_vf_config_debugfs_fops = {
1646 .owner = THIS_MODULE,
1647 .open = rss_vf_config_open,
1648 .read = seq_read,
1649 .llseek = seq_lseek,
1650 .release = seq_release_private
1651 };
1652
1653 /**
1654 * ethqset2pinfo - return port_info of an Ethernet Queue Set
1655 * @adap: the adapter
1656 * @qset: Ethernet Queue Set
1657 */
1658 static inline struct port_info *ethqset2pinfo(struct adapter *adap, int qset)
1659 {
1660 int pidx;
1661
1662 for_each_port(adap, pidx) {
1663 struct port_info *pi = adap2pinfo(adap, pidx);
1664
1665 if (qset >= pi->first_qset &&
1666 qset < pi->first_qset + pi->nqsets)
1667 return pi;
1668 }
1669
1670 /* should never happen! */
1671 BUG_ON(1);
1672 return NULL;
1673 }
1674
1675 static int sge_qinfo_show(struct seq_file *seq, void *v)
1676 {
1677 struct adapter *adap = seq->private;
1678 int eth_entries = DIV_ROUND_UP(adap->sge.ethqsets, 4);
1679 int toe_entries = DIV_ROUND_UP(adap->sge.ofldqsets, 4);
1680 int rdma_entries = DIV_ROUND_UP(adap->sge.rdmaqs, 4);
1681 int ciq_entries = DIV_ROUND_UP(adap->sge.rdmaciqs, 4);
1682 int ctrl_entries = DIV_ROUND_UP(MAX_CTRL_QUEUES, 4);
1683 int i, r = (uintptr_t)v - 1;
1684 int toe_idx = r - eth_entries;
1685 int rdma_idx = toe_idx - toe_entries;
1686 int ciq_idx = rdma_idx - rdma_entries;
1687 int ctrl_idx = ciq_idx - ciq_entries;
1688 int fq_idx = ctrl_idx - ctrl_entries;
1689
1690 if (r)
1691 seq_putc(seq, '\n');
1692
1693 #define S3(fmt_spec, s, v) \
1694 do { \
1695 seq_printf(seq, "%-12s", s); \
1696 for (i = 0; i < n; ++i) \
1697 seq_printf(seq, " %16" fmt_spec, v); \
1698 seq_putc(seq, '\n'); \
1699 } while (0)
1700 #define S(s, v) S3("s", s, v)
1701 #define T(s, v) S3("u", s, tx[i].v)
1702 #define R(s, v) S3("u", s, rx[i].v)
1703
1704 if (r < eth_entries) {
1705 int base_qset = r * 4;
1706 const struct sge_eth_rxq *rx = &adap->sge.ethrxq[base_qset];
1707 const struct sge_eth_txq *tx = &adap->sge.ethtxq[base_qset];
1708 int n = min(4, adap->sge.ethqsets - 4 * r);
1709
1710 S("QType:", "Ethernet");
1711 S("Interface:",
1712 rx[i].rspq.netdev ? rx[i].rspq.netdev->name : "N/A");
1713 T("TxQ ID:", q.cntxt_id);
1714 T("TxQ size:", q.size);
1715 T("TxQ inuse:", q.in_use);
1716 T("TxQ CIDX:", q.cidx);
1717 T("TxQ PIDX:", q.pidx);
1718 #ifdef CONFIG_CHELSIO_T4_DCB
1719 T("DCB Prio:", dcb_prio);
1720 S3("u", "DCB PGID:",
1721 (ethqset2pinfo(adap, base_qset + i)->dcb.pgid >>
1722 4*(7-tx[i].dcb_prio)) & 0xf);
1723 S3("u", "DCB PFC:",
1724 (ethqset2pinfo(adap, base_qset + i)->dcb.pfcen >>
1725 1*(7-tx[i].dcb_prio)) & 0x1);
1726 #endif
1727 R("RspQ ID:", rspq.abs_id);
1728 R("RspQ size:", rspq.size);
1729 R("RspQE size:", rspq.iqe_len);
1730 R("RspQ CIDX:", rspq.cidx);
1731 R("RspQ Gen:", rspq.gen);
1732 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1733 S3("u", "Intr pktcnt:",
1734 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1735 R("FL ID:", fl.cntxt_id);
1736 R("FL size:", fl.size - 8);
1737 R("FL pend:", fl.pend_cred);
1738 R("FL avail:", fl.avail);
1739 R("FL PIDX:", fl.pidx);
1740 R("FL CIDX:", fl.cidx);
1741 } else if (toe_idx < toe_entries) {
1742 const struct sge_ofld_rxq *rx = &adap->sge.ofldrxq[toe_idx * 4];
1743 const struct sge_ofld_txq *tx = &adap->sge.ofldtxq[toe_idx * 4];
1744 int n = min(4, adap->sge.ofldqsets - 4 * toe_idx);
1745
1746 S("QType:", "TOE");
1747 T("TxQ ID:", q.cntxt_id);
1748 T("TxQ size:", q.size);
1749 T("TxQ inuse:", q.in_use);
1750 T("TxQ CIDX:", q.cidx);
1751 T("TxQ PIDX:", q.pidx);
1752 R("RspQ ID:", rspq.abs_id);
1753 R("RspQ size:", rspq.size);
1754 R("RspQE size:", rspq.iqe_len);
1755 R("RspQ CIDX:", rspq.cidx);
1756 R("RspQ Gen:", rspq.gen);
1757 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1758 S3("u", "Intr pktcnt:",
1759 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1760 R("FL ID:", fl.cntxt_id);
1761 R("FL size:", fl.size - 8);
1762 R("FL pend:", fl.pend_cred);
1763 R("FL avail:", fl.avail);
1764 R("FL PIDX:", fl.pidx);
1765 R("FL CIDX:", fl.cidx);
1766 } else if (rdma_idx < rdma_entries) {
1767 const struct sge_ofld_rxq *rx =
1768 &adap->sge.rdmarxq[rdma_idx * 4];
1769 int n = min(4, adap->sge.rdmaqs - 4 * rdma_idx);
1770
1771 S("QType:", "RDMA-CPL");
1772 R("RspQ ID:", rspq.abs_id);
1773 R("RspQ size:", rspq.size);
1774 R("RspQE size:", rspq.iqe_len);
1775 R("RspQ CIDX:", rspq.cidx);
1776 R("RspQ Gen:", rspq.gen);
1777 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1778 S3("u", "Intr pktcnt:",
1779 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1780 R("FL ID:", fl.cntxt_id);
1781 R("FL size:", fl.size - 8);
1782 R("FL pend:", fl.pend_cred);
1783 R("FL avail:", fl.avail);
1784 R("FL PIDX:", fl.pidx);
1785 R("FL CIDX:", fl.cidx);
1786 } else if (ciq_idx < ciq_entries) {
1787 const struct sge_ofld_rxq *rx = &adap->sge.rdmaciq[ciq_idx * 4];
1788 int n = min(4, adap->sge.rdmaciqs - 4 * ciq_idx);
1789
1790 S("QType:", "RDMA-CIQ");
1791 R("RspQ ID:", rspq.abs_id);
1792 R("RspQ size:", rspq.size);
1793 R("RspQE size:", rspq.iqe_len);
1794 R("RspQ CIDX:", rspq.cidx);
1795 R("RspQ Gen:", rspq.gen);
1796 S3("u", "Intr delay:", qtimer_val(adap, &rx[i].rspq));
1797 S3("u", "Intr pktcnt:",
1798 adap->sge.counter_val[rx[i].rspq.pktcnt_idx]);
1799 } else if (ctrl_idx < ctrl_entries) {
1800 const struct sge_ctrl_txq *tx = &adap->sge.ctrlq[ctrl_idx * 4];
1801 int n = min(4, adap->params.nports - 4 * ctrl_idx);
1802
1803 S("QType:", "Control");
1804 T("TxQ ID:", q.cntxt_id);
1805 T("TxQ size:", q.size);
1806 T("TxQ inuse:", q.in_use);
1807 T("TxQ CIDX:", q.cidx);
1808 T("TxQ PIDX:", q.pidx);
1809 } else if (fq_idx == 0) {
1810 const struct sge_rspq *evtq = &adap->sge.fw_evtq;
1811
1812 seq_printf(seq, "%-12s %16s\n", "QType:", "FW event queue");
1813 seq_printf(seq, "%-12s %16u\n", "RspQ ID:", evtq->abs_id);
1814 seq_printf(seq, "%-12s %16u\n", "RspQ size:", evtq->size);
1815 seq_printf(seq, "%-12s %16u\n", "RspQE size:", evtq->iqe_len);
1816 seq_printf(seq, "%-12s %16u\n", "RspQ CIDX:", evtq->cidx);
1817 seq_printf(seq, "%-12s %16u\n", "RspQ Gen:", evtq->gen);
1818 seq_printf(seq, "%-12s %16u\n", "Intr delay:",
1819 qtimer_val(adap, evtq));
1820 seq_printf(seq, "%-12s %16u\n", "Intr pktcnt:",
1821 adap->sge.counter_val[evtq->pktcnt_idx]);
1822 }
1823 #undef R
1824 #undef T
1825 #undef S
1826 #undef S3
1827 return 0;
1828 }
1829
1830 static int sge_queue_entries(const struct adapter *adap)
1831 {
1832 return DIV_ROUND_UP(adap->sge.ethqsets, 4) +
1833 DIV_ROUND_UP(adap->sge.ofldqsets, 4) +
1834 DIV_ROUND_UP(adap->sge.rdmaqs, 4) +
1835 DIV_ROUND_UP(adap->sge.rdmaciqs, 4) +
1836 DIV_ROUND_UP(MAX_CTRL_QUEUES, 4) + 1;
1837 }
1838
1839 static void *sge_queue_start(struct seq_file *seq, loff_t *pos)
1840 {
1841 int entries = sge_queue_entries(seq->private);
1842
1843 return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1844 }
1845
1846 static void sge_queue_stop(struct seq_file *seq, void *v)
1847 {
1848 }
1849
1850 static void *sge_queue_next(struct seq_file *seq, void *v, loff_t *pos)
1851 {
1852 int entries = sge_queue_entries(seq->private);
1853
1854 ++*pos;
1855 return *pos < entries ? (void *)((uintptr_t)*pos + 1) : NULL;
1856 }
1857
1858 static const struct seq_operations sge_qinfo_seq_ops = {
1859 .start = sge_queue_start,
1860 .next = sge_queue_next,
1861 .stop = sge_queue_stop,
1862 .show = sge_qinfo_show
1863 };
1864
1865 static int sge_qinfo_open(struct inode *inode, struct file *file)
1866 {
1867 int res = seq_open(file, &sge_qinfo_seq_ops);
1868
1869 if (!res) {
1870 struct seq_file *seq = file->private_data;
1871
1872 seq->private = inode->i_private;
1873 }
1874 return res;
1875 }
1876
1877 static const struct file_operations sge_qinfo_debugfs_fops = {
1878 .owner = THIS_MODULE,
1879 .open = sge_qinfo_open,
1880 .read = seq_read,
1881 .llseek = seq_lseek,
1882 .release = seq_release,
1883 };
1884
1885 int mem_open(struct inode *inode, struct file *file)
1886 {
1887 unsigned int mem;
1888 struct adapter *adap;
1889
1890 file->private_data = inode->i_private;
1891
1892 mem = (uintptr_t)file->private_data & 0x3;
1893 adap = file->private_data - mem;
1894
1895 (void)t4_fwcache(adap, FW_PARAM_DEV_FWCACHE_FLUSH);
1896
1897 return 0;
1898 }
1899
1900 static ssize_t mem_read(struct file *file, char __user *buf, size_t count,
1901 loff_t *ppos)
1902 {
1903 loff_t pos = *ppos;
1904 loff_t avail = file_inode(file)->i_size;
1905 unsigned int mem = (uintptr_t)file->private_data & 3;
1906 struct adapter *adap = file->private_data - mem;
1907 __be32 *data;
1908 int ret;
1909
1910 if (pos < 0)
1911 return -EINVAL;
1912 if (pos >= avail)
1913 return 0;
1914 if (count > avail - pos)
1915 count = avail - pos;
1916
1917 data = t4_alloc_mem(count);
1918 if (!data)
1919 return -ENOMEM;
1920
1921 spin_lock(&adap->win0_lock);
1922 ret = t4_memory_rw(adap, 0, mem, pos, count, data, T4_MEMORY_READ);
1923 spin_unlock(&adap->win0_lock);
1924 if (ret) {
1925 t4_free_mem(data);
1926 return ret;
1927 }
1928 ret = copy_to_user(buf, data, count);
1929
1930 t4_free_mem(data);
1931 if (ret)
1932 return -EFAULT;
1933
1934 *ppos = pos + count;
1935 return count;
1936 }
1937 static const struct file_operations mem_debugfs_fops = {
1938 .owner = THIS_MODULE,
1939 .open = simple_open,
1940 .read = mem_read,
1941 .llseek = default_llseek,
1942 };
1943
1944 static void set_debugfs_file_size(struct dentry *de, loff_t size)
1945 {
1946 if (!IS_ERR(de) && de->d_inode)
1947 de->d_inode->i_size = size;
1948 }
1949
1950 static void add_debugfs_mem(struct adapter *adap, const char *name,
1951 unsigned int idx, unsigned int size_mb)
1952 {
1953 debugfs_create_file_size(name, S_IRUSR, adap->debugfs_root,
1954 (void *)adap + idx, &mem_debugfs_fops,
1955 size_mb << 20);
1956 }
1957
1958 /* Add an array of Debug FS files.
1959 */
1960 void add_debugfs_files(struct adapter *adap,
1961 struct t4_debugfs_entry *files,
1962 unsigned int nfiles)
1963 {
1964 int i;
1965
1966 /* debugfs support is best effort */
1967 for (i = 0; i < nfiles; i++)
1968 debugfs_create_file(files[i].name, files[i].mode,
1969 adap->debugfs_root,
1970 (void *)adap + files[i].data,
1971 files[i].ops);
1972 }
1973
1974 int t4_setup_debugfs(struct adapter *adap)
1975 {
1976 int i;
1977 u32 size;
1978 struct dentry *de;
1979
1980 static struct t4_debugfs_entry t4_debugfs_files[] = {
1981 { "cim_la", &cim_la_fops, S_IRUSR, 0 },
1982 { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 },
1983 { "clk", &clk_debugfs_fops, S_IRUSR, 0 },
1984 { "devlog", &devlog_fops, S_IRUSR, 0 },
1985 { "mbox0", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 0 },
1986 { "mbox1", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 1 },
1987 { "mbox2", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 2 },
1988 { "mbox3", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 3 },
1989 { "mbox4", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 4 },
1990 { "mbox5", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 5 },
1991 { "mbox6", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 6 },
1992 { "mbox7", &mbox_debugfs_fops, S_IRUSR | S_IWUSR, 7 },
1993 { "l2t", &t4_l2t_fops, S_IRUSR, 0},
1994 { "mps_tcam", &mps_tcam_debugfs_fops, S_IRUSR, 0 },
1995 { "rss", &rss_debugfs_fops, S_IRUSR, 0 },
1996 { "rss_config", &rss_config_debugfs_fops, S_IRUSR, 0 },
1997 { "rss_key", &rss_key_debugfs_fops, S_IRUSR, 0 },
1998 { "rss_pf_config", &rss_pf_config_debugfs_fops, S_IRUSR, 0 },
1999 { "rss_vf_config", &rss_vf_config_debugfs_fops, S_IRUSR, 0 },
2000 { "sge_qinfo", &sge_qinfo_debugfs_fops, S_IRUSR, 0 },
2001 { "ibq_tp0", &cim_ibq_fops, S_IRUSR, 0 },
2002 { "ibq_tp1", &cim_ibq_fops, S_IRUSR, 1 },
2003 { "ibq_ulp", &cim_ibq_fops, S_IRUSR, 2 },
2004 { "ibq_sge0", &cim_ibq_fops, S_IRUSR, 3 },
2005 { "ibq_sge1", &cim_ibq_fops, S_IRUSR, 4 },
2006 { "ibq_ncsi", &cim_ibq_fops, S_IRUSR, 5 },
2007 { "obq_ulp0", &cim_obq_fops, S_IRUSR, 0 },
2008 { "obq_ulp1", &cim_obq_fops, S_IRUSR, 1 },
2009 { "obq_ulp2", &cim_obq_fops, S_IRUSR, 2 },
2010 { "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
2011 { "obq_sge", &cim_obq_fops, S_IRUSR, 4 },
2012 { "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
2013 { "tp_la", &tp_la_fops, S_IRUSR, 0 },
2014 { "ulprx_la", &ulprx_la_fops, S_IRUSR, 0 },
2015 { "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
2016 { "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
2017 { "cctrl", &cctrl_tbl_debugfs_fops, S_IRUSR, 0 },
2018 #if IS_ENABLED(CONFIG_IPV6)
2019 { "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },
2020 #endif
2021 };
2022
2023 /* Debug FS nodes common to all T5 and later adapters.
2024 */
2025 static struct t4_debugfs_entry t5_debugfs_files[] = {
2026 { "obq_sge_rx_q0", &cim_obq_fops, S_IRUSR, 6 },
2027 { "obq_sge_rx_q1", &cim_obq_fops, S_IRUSR, 7 },
2028 };
2029
2030 add_debugfs_files(adap,
2031 t4_debugfs_files,
2032 ARRAY_SIZE(t4_debugfs_files));
2033 if (!is_t4(adap->params.chip))
2034 add_debugfs_files(adap,
2035 t5_debugfs_files,
2036 ARRAY_SIZE(t5_debugfs_files));
2037
2038 i = t4_read_reg(adap, MA_TARGET_MEM_ENABLE_A);
2039 if (i & EDRAM0_ENABLE_F) {
2040 size = t4_read_reg(adap, MA_EDRAM0_BAR_A);
2041 add_debugfs_mem(adap, "edc0", MEM_EDC0, EDRAM0_SIZE_G(size));
2042 }
2043 if (i & EDRAM1_ENABLE_F) {
2044 size = t4_read_reg(adap, MA_EDRAM1_BAR_A);
2045 add_debugfs_mem(adap, "edc1", MEM_EDC1, EDRAM1_SIZE_G(size));
2046 }
2047 if (is_t4(adap->params.chip)) {
2048 size = t4_read_reg(adap, MA_EXT_MEMORY_BAR_A);
2049 if (i & EXT_MEM_ENABLE_F)
2050 add_debugfs_mem(adap, "mc", MEM_MC,
2051 EXT_MEM_SIZE_G(size));
2052 } else {
2053 if (i & EXT_MEM0_ENABLE_F) {
2054 size = t4_read_reg(adap, MA_EXT_MEMORY0_BAR_A);
2055 add_debugfs_mem(adap, "mc0", MEM_MC0,
2056 EXT_MEM0_SIZE_G(size));
2057 }
2058 if (i & EXT_MEM1_ENABLE_F) {
2059 size = t4_read_reg(adap, MA_EXT_MEMORY1_BAR_A);
2060 add_debugfs_mem(adap, "mc1", MEM_MC1,
2061 EXT_MEM1_SIZE_G(size));
2062 }
2063 }
2064
2065 de = debugfs_create_file("flash", S_IRUSR, adap->debugfs_root, adap,
2066 &flash_debugfs_fops);
2067 set_debugfs_file_size(de, adap->params.sf_size);
2068
2069 return 0;
2070 }
Linux kernel - Deliverables
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