2 * This file is part of the Chelsio T4 Ethernet driver for Linux.
4 * Copyright (c) 2003-2014 Chelsio Communications, Inc. All rights reserved.
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:
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
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.
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
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>
44 #include "cxgb4_debugfs.h"
48 /* generic seq_file support for showing a table of size rows x width. */
49 static void *seq_tab_get_idx(struct seq_tab
*tb
, loff_t pos
)
51 pos
-= tb
->skip_first
;
52 return pos
>= tb
->rows
? NULL
: &tb
->data
[pos
* tb
->width
];
55 static void *seq_tab_start(struct seq_file
*seq
, loff_t
*pos
)
57 struct seq_tab
*tb
= seq
->private;
59 if (tb
->skip_first
&& *pos
== 0)
60 return SEQ_START_TOKEN
;
62 return seq_tab_get_idx(tb
, *pos
);
65 static void *seq_tab_next(struct seq_file
*seq
, void *v
, loff_t
*pos
)
67 v
= seq_tab_get_idx(seq
->private, *pos
+ 1);
73 static void seq_tab_stop(struct seq_file
*seq
, void *v
)
77 static int seq_tab_show(struct seq_file
*seq
, void *v
)
79 const struct seq_tab
*tb
= seq
->private;
81 return tb
->show(seq
, v
, ((char *)v
- tb
->data
) / tb
->width
);
84 static const struct seq_operations seq_tab_ops
= {
85 .start
= seq_tab_start
,
91 struct seq_tab
*seq_open_tab(struct file
*f
, unsigned int rows
,
92 unsigned int width
, unsigned int have_header
,
93 int (*show
)(struct seq_file
*seq
, void *v
, int i
))
97 p
= __seq_open_private(f
, &seq_tab_ops
, sizeof(*p
) + rows
* width
);
102 p
->skip_first
= have_header
!= 0;
107 /* Trim the size of a seq_tab to the supplied number of rows. The operation is
110 static int seq_tab_trim(struct seq_tab
*p
, unsigned int new_rows
)
112 if (new_rows
> p
->rows
)
118 static int cim_la_show(struct seq_file
*seq
, void *v
, int idx
)
120 if (v
== SEQ_START_TOKEN
)
121 seq_puts(seq
, "Status Data PC LS0Stat LS0Addr "
127 " %02x %x%07x %x%07x %08x %08x %08x%08x%08x%08x\n",
128 (p
[0] >> 4) & 0xff, p
[0] & 0xf, p
[1] >> 4,
129 p
[1] & 0xf, p
[2] >> 4, p
[2] & 0xf, p
[3], p
[4], p
[5],
135 static int cim_la_show_3in1(struct seq_file
*seq
, void *v
, int idx
)
137 if (v
== SEQ_START_TOKEN
) {
138 seq_puts(seq
, "Status Data PC\n");
142 seq_printf(seq
, " %02x %08x %08x\n", p
[5] & 0xff, p
[6],
144 seq_printf(seq
, " %02x %02x%06x %02x%06x\n",
145 (p
[3] >> 8) & 0xff, p
[3] & 0xff, p
[4] >> 8,
146 p
[4] & 0xff, p
[5] >> 8);
147 seq_printf(seq
, " %02x %x%07x %x%07x\n", (p
[0] >> 4) & 0xff,
148 p
[0] & 0xf, p
[1] >> 4, p
[1] & 0xf, p
[2] >> 4);
153 static int cim_la_open(struct inode
*inode
, struct file
*file
)
158 struct adapter
*adap
= inode
->i_private
;
160 ret
= t4_cim_read(adap
, UP_UP_DBG_LA_CFG_A
, 1, &cfg
);
164 p
= seq_open_tab(file
, adap
->params
.cim_la_size
/ 8, 8 * sizeof(u32
), 1,
165 cfg
& UPDBGLACAPTPCONLY_F
?
166 cim_la_show_3in1
: cim_la_show
);
170 ret
= t4_cim_read_la(adap
, (u32
*)p
->data
, NULL
);
172 seq_release_private(inode
, file
);
176 static const struct file_operations cim_la_fops
= {
177 .owner
= THIS_MODULE
,
181 .release
= seq_release_private
184 static int cim_qcfg_show(struct seq_file
*seq
, void *v
)
186 static const char * const qname
[] = {
187 "TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI",
188 "ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI",
193 struct adapter
*adap
= seq
->private;
194 u16 base
[CIM_NUM_IBQ
+ CIM_NUM_OBQ_T5
];
195 u16 size
[CIM_NUM_IBQ
+ CIM_NUM_OBQ_T5
];
196 u32 stat
[(4 * (CIM_NUM_IBQ
+ CIM_NUM_OBQ_T5
))];
197 u16 thres
[CIM_NUM_IBQ
];
198 u32 obq_wr_t4
[2 * CIM_NUM_OBQ
], *wr
;
199 u32 obq_wr_t5
[2 * CIM_NUM_OBQ_T5
];
201 int cim_num_obq
= is_t4(adap
->params
.chip
) ?
202 CIM_NUM_OBQ
: CIM_NUM_OBQ_T5
;
204 i
= t4_cim_read(adap
, is_t4(adap
->params
.chip
) ? UP_IBQ_0_RDADDR_A
:
205 UP_IBQ_0_SHADOW_RDADDR_A
,
206 ARRAY_SIZE(stat
), stat
);
208 if (is_t4(adap
->params
.chip
)) {
209 i
= t4_cim_read(adap
, UP_OBQ_0_REALADDR_A
,
210 ARRAY_SIZE(obq_wr_t4
), obq_wr_t4
);
213 i
= t4_cim_read(adap
, UP_OBQ_0_SHADOW_REALADDR_A
,
214 ARRAY_SIZE(obq_wr_t5
), obq_wr_t5
);
221 t4_read_cimq_cfg(adap
, base
, size
, thres
);
224 " Queue Base Size Thres RdPtr WrPtr SOP EOP Avail\n");
225 for (i
= 0; i
< CIM_NUM_IBQ
; i
++, p
+= 4)
226 seq_printf(seq
, "%7s %5x %5u %5u %6x %4x %4u %4u %5u\n",
227 qname
[i
], base
[i
], size
[i
], thres
[i
],
228 IBQRDADDR_G(p
[0]), IBQWRADDR_G(p
[1]),
229 QUESOPCNT_G(p
[3]), QUEEOPCNT_G(p
[3]),
230 QUEREMFLITS_G(p
[2]) * 16);
231 for ( ; i
< CIM_NUM_IBQ
+ cim_num_obq
; i
++, p
+= 4, wr
+= 2)
232 seq_printf(seq
, "%7s %5x %5u %12x %4x %4u %4u %5u\n",
233 qname
[i
], base
[i
], size
[i
],
234 QUERDADDR_G(p
[0]) & 0x3fff, wr
[0] - base
[i
],
235 QUESOPCNT_G(p
[3]), QUEEOPCNT_G(p
[3]),
236 QUEREMFLITS_G(p
[2]) * 16);
240 static int cim_qcfg_open(struct inode
*inode
, struct file
*file
)
242 return single_open(file
, cim_qcfg_show
, inode
->i_private
);
245 static const struct file_operations cim_qcfg_fops
= {
246 .owner
= THIS_MODULE
,
247 .open
= cim_qcfg_open
,
250 .release
= single_release
,
253 static int cimq_show(struct seq_file
*seq
, void *v
, int idx
)
257 seq_printf(seq
, "%#06x: %08x %08x %08x %08x\n", idx
* 16, p
[0], p
[1],
262 static int cim_ibq_open(struct inode
*inode
, struct file
*file
)
266 unsigned int qid
= (uintptr_t)inode
->i_private
& 7;
267 struct adapter
*adap
= inode
->i_private
- qid
;
269 p
= seq_open_tab(file
, CIM_IBQ_SIZE
, 4 * sizeof(u32
), 0, cimq_show
);
273 ret
= t4_read_cim_ibq(adap
, qid
, (u32
*)p
->data
, CIM_IBQ_SIZE
* 4);
275 seq_release_private(inode
, file
);
281 static const struct file_operations cim_ibq_fops
= {
282 .owner
= THIS_MODULE
,
283 .open
= cim_ibq_open
,
286 .release
= seq_release_private
289 static int cim_obq_open(struct inode
*inode
, struct file
*file
)
293 unsigned int qid
= (uintptr_t)inode
->i_private
& 7;
294 struct adapter
*adap
= inode
->i_private
- qid
;
296 p
= seq_open_tab(file
, 6 * CIM_OBQ_SIZE
, 4 * sizeof(u32
), 0, cimq_show
);
300 ret
= t4_read_cim_obq(adap
, qid
, (u32
*)p
->data
, 6 * CIM_OBQ_SIZE
* 4);
302 seq_release_private(inode
, file
);
304 seq_tab_trim(p
, ret
/ 4);
310 static const struct file_operations cim_obq_fops
= {
311 .owner
= THIS_MODULE
,
312 .open
= cim_obq_open
,
315 .release
= seq_release_private
318 /* Show the PM memory stats. These stats include:
321 * Read: memory read operation
322 * Write Bypass: cut-through
323 * Bypass + mem: cut-through and save copy
327 * Write Bypass: cut-through
328 * Flush: payload trim or drop
330 static int pm_stats_show(struct seq_file
*seq
, void *v
)
332 static const char * const tx_pm_stats
[] = {
333 "Read:", "Write bypass:", "Write mem:", "Bypass + mem:"
335 static const char * const rx_pm_stats
[] = {
336 "Read:", "Write bypass:", "Write mem:", "Flush:"
340 u32 tx_cnt
[PM_NSTATS
], rx_cnt
[PM_NSTATS
];
341 u64 tx_cyc
[PM_NSTATS
], rx_cyc
[PM_NSTATS
];
342 struct adapter
*adap
= seq
->private;
344 t4_pmtx_get_stats(adap
, tx_cnt
, tx_cyc
);
345 t4_pmrx_get_stats(adap
, rx_cnt
, rx_cyc
);
347 seq_printf(seq
, "%13s %10s %20s\n", " ", "Tx pcmds", "Tx bytes");
348 for (i
= 0; i
< PM_NSTATS
- 1; i
++)
349 seq_printf(seq
, "%-13s %10u %20llu\n",
350 tx_pm_stats
[i
], tx_cnt
[i
], tx_cyc
[i
]);
352 seq_printf(seq
, "%13s %10s %20s\n", " ", "Rx pcmds", "Rx bytes");
353 for (i
= 0; i
< PM_NSTATS
- 1; i
++)
354 seq_printf(seq
, "%-13s %10u %20llu\n",
355 rx_pm_stats
[i
], rx_cnt
[i
], rx_cyc
[i
]);
359 static int pm_stats_open(struct inode
*inode
, struct file
*file
)
361 return single_open(file
, pm_stats_show
, inode
->i_private
);
364 static ssize_t
pm_stats_clear(struct file
*file
, const char __user
*buf
,
365 size_t count
, loff_t
*pos
)
367 struct adapter
*adap
= FILE_DATA(file
)->i_private
;
369 t4_write_reg(adap
, PM_RX_STAT_CONFIG_A
, 0);
370 t4_write_reg(adap
, PM_TX_STAT_CONFIG_A
, 0);
374 static const struct file_operations pm_stats_debugfs_fops
= {
375 .owner
= THIS_MODULE
,
376 .open
= pm_stats_open
,
379 .release
= single_release
,
380 .write
= pm_stats_clear
383 /* Format a value in a unit that differs from the value's native unit by the
386 static char *unit_conv(char *buf
, size_t len
, unsigned int val
,
389 unsigned int rem
= val
% factor
;
392 snprintf(buf
, len
, "%u", val
/ factor
);
394 while (rem
% 10 == 0)
396 snprintf(buf
, len
, "%u.%u", val
/ factor
, rem
);
401 static int clk_show(struct seq_file
*seq
, void *v
)
404 struct adapter
*adap
= seq
->private;
405 unsigned int cclk_ps
= 1000000000 / adap
->params
.vpd
.cclk
; /* in ps */
406 u32 res
= t4_read_reg(adap
, TP_TIMER_RESOLUTION_A
);
407 unsigned int tre
= TIMERRESOLUTION_G(res
);
408 unsigned int dack_re
= DELAYEDACKRESOLUTION_G(res
);
409 unsigned long long tp_tick_us
= (cclk_ps
<< tre
) / 1000000; /* in us */
411 seq_printf(seq
, "Core clock period: %s ns\n",
412 unit_conv(buf
, sizeof(buf
), cclk_ps
, 1000));
413 seq_printf(seq
, "TP timer tick: %s us\n",
414 unit_conv(buf
, sizeof(buf
), (cclk_ps
<< tre
), 1000000));
415 seq_printf(seq
, "TCP timestamp tick: %s us\n",
416 unit_conv(buf
, sizeof(buf
),
417 (cclk_ps
<< TIMESTAMPRESOLUTION_G(res
)), 1000000));
418 seq_printf(seq
, "DACK tick: %s us\n",
419 unit_conv(buf
, sizeof(buf
), (cclk_ps
<< dack_re
), 1000000));
420 seq_printf(seq
, "DACK timer: %u us\n",
421 ((cclk_ps
<< dack_re
) / 1000000) *
422 t4_read_reg(adap
, TP_DACK_TIMER_A
));
423 seq_printf(seq
, "Retransmit min: %llu us\n",
424 tp_tick_us
* t4_read_reg(adap
, TP_RXT_MIN_A
));
425 seq_printf(seq
, "Retransmit max: %llu us\n",
426 tp_tick_us
* t4_read_reg(adap
, TP_RXT_MAX_A
));
427 seq_printf(seq
, "Persist timer min: %llu us\n",
428 tp_tick_us
* t4_read_reg(adap
, TP_PERS_MIN_A
));
429 seq_printf(seq
, "Persist timer max: %llu us\n",
430 tp_tick_us
* t4_read_reg(adap
, TP_PERS_MAX_A
));
431 seq_printf(seq
, "Keepalive idle timer: %llu us\n",
432 tp_tick_us
* t4_read_reg(adap
, TP_KEEP_IDLE_A
));
433 seq_printf(seq
, "Keepalive interval: %llu us\n",
434 tp_tick_us
* t4_read_reg(adap
, TP_KEEP_INTVL_A
));
435 seq_printf(seq
, "Initial SRTT: %llu us\n",
436 tp_tick_us
* INITSRTT_G(t4_read_reg(adap
, TP_INIT_SRTT_A
)));
437 seq_printf(seq
, "FINWAIT2 timer: %llu us\n",
438 tp_tick_us
* t4_read_reg(adap
, TP_FINWAIT2_TIMER_A
));
443 DEFINE_SIMPLE_DEBUGFS_FILE(clk
);
445 /* Firmware Device Log dump. */
446 static const char * const devlog_level_strings
[] = {
447 [FW_DEVLOG_LEVEL_EMERG
] = "EMERG",
448 [FW_DEVLOG_LEVEL_CRIT
] = "CRIT",
449 [FW_DEVLOG_LEVEL_ERR
] = "ERR",
450 [FW_DEVLOG_LEVEL_NOTICE
] = "NOTICE",
451 [FW_DEVLOG_LEVEL_INFO
] = "INFO",
452 [FW_DEVLOG_LEVEL_DEBUG
] = "DEBUG"
455 static const char * const devlog_facility_strings
[] = {
456 [FW_DEVLOG_FACILITY_CORE
] = "CORE",
457 [FW_DEVLOG_FACILITY_SCHED
] = "SCHED",
458 [FW_DEVLOG_FACILITY_TIMER
] = "TIMER",
459 [FW_DEVLOG_FACILITY_RES
] = "RES",
460 [FW_DEVLOG_FACILITY_HW
] = "HW",
461 [FW_DEVLOG_FACILITY_FLR
] = "FLR",
462 [FW_DEVLOG_FACILITY_DMAQ
] = "DMAQ",
463 [FW_DEVLOG_FACILITY_PHY
] = "PHY",
464 [FW_DEVLOG_FACILITY_MAC
] = "MAC",
465 [FW_DEVLOG_FACILITY_PORT
] = "PORT",
466 [FW_DEVLOG_FACILITY_VI
] = "VI",
467 [FW_DEVLOG_FACILITY_FILTER
] = "FILTER",
468 [FW_DEVLOG_FACILITY_ACL
] = "ACL",
469 [FW_DEVLOG_FACILITY_TM
] = "TM",
470 [FW_DEVLOG_FACILITY_QFC
] = "QFC",
471 [FW_DEVLOG_FACILITY_DCB
] = "DCB",
472 [FW_DEVLOG_FACILITY_ETH
] = "ETH",
473 [FW_DEVLOG_FACILITY_OFLD
] = "OFLD",
474 [FW_DEVLOG_FACILITY_RI
] = "RI",
475 [FW_DEVLOG_FACILITY_ISCSI
] = "ISCSI",
476 [FW_DEVLOG_FACILITY_FCOE
] = "FCOE",
477 [FW_DEVLOG_FACILITY_FOISCSI
] = "FOISCSI",
478 [FW_DEVLOG_FACILITY_FOFCOE
] = "FOFCOE"
481 /* Information gathered by Device Log Open routine for the display routine.
484 unsigned int nentries
; /* number of entries in log[] */
485 unsigned int first
; /* first [temporal] entry in log[] */
486 struct fw_devlog_e log
[0]; /* Firmware Device Log */
489 /* Dump a Firmaware Device Log entry.
491 static int devlog_show(struct seq_file
*seq
, void *v
)
493 if (v
== SEQ_START_TOKEN
)
494 seq_printf(seq
, "%10s %15s %8s %8s %s\n",
495 "Seq#", "Tstamp", "Level", "Facility", "Message");
497 struct devlog_info
*dinfo
= seq
->private;
498 int fidx
= (uintptr_t)v
- 2;
500 struct fw_devlog_e
*e
;
502 /* Get a pointer to the log entry to display. Skip unused log
505 index
= dinfo
->first
+ fidx
;
506 if (index
>= dinfo
->nentries
)
507 index
-= dinfo
->nentries
;
508 e
= &dinfo
->log
[index
];
509 if (e
->timestamp
== 0)
512 /* Print the message. This depends on the firmware using
513 * exactly the same formating strings as the kernel so we may
514 * eventually have to put a format interpreter in here ...
516 seq_printf(seq
, "%10d %15llu %8s %8s ",
517 e
->seqno
, e
->timestamp
,
518 (e
->level
< ARRAY_SIZE(devlog_level_strings
)
519 ? devlog_level_strings
[e
->level
]
521 (e
->facility
< ARRAY_SIZE(devlog_facility_strings
)
522 ? devlog_facility_strings
[e
->facility
]
524 seq_printf(seq
, e
->fmt
, e
->params
[0], e
->params
[1],
525 e
->params
[2], e
->params
[3], e
->params
[4],
526 e
->params
[5], e
->params
[6], e
->params
[7]);
531 /* Sequential File Operations for Device Log.
533 static inline void *devlog_get_idx(struct devlog_info
*dinfo
, loff_t pos
)
535 if (pos
> dinfo
->nentries
)
538 return (void *)(uintptr_t)(pos
+ 1);
541 static void *devlog_start(struct seq_file
*seq
, loff_t
*pos
)
543 struct devlog_info
*dinfo
= seq
->private;
546 ? devlog_get_idx(dinfo
, *pos
)
550 static void *devlog_next(struct seq_file
*seq
, void *v
, loff_t
*pos
)
552 struct devlog_info
*dinfo
= seq
->private;
555 return devlog_get_idx(dinfo
, *pos
);
558 static void devlog_stop(struct seq_file
*seq
, void *v
)
562 static const struct seq_operations devlog_seq_ops
= {
563 .start
= devlog_start
,
569 /* Set up for reading the firmware's device log. We read the entire log here
570 * and then display it incrementally in devlog_show().
572 static int devlog_open(struct inode
*inode
, struct file
*file
)
574 struct adapter
*adap
= inode
->i_private
;
575 struct devlog_params
*dparams
= &adap
->params
.devlog
;
576 struct devlog_info
*dinfo
;
581 /* If we don't know where the log is we can't do anything.
583 if (dparams
->start
== 0)
586 /* Allocate the space to read in the firmware's device log and set up
587 * for the iterated call to our display function.
589 dinfo
= __seq_open_private(file
, &devlog_seq_ops
,
590 sizeof(*dinfo
) + dparams
->size
);
594 /* Record the basic log buffer information and read in the raw log.
596 dinfo
->nentries
= (dparams
->size
/ sizeof(struct fw_devlog_e
));
598 spin_lock(&adap
->win0_lock
);
599 ret
= t4_memory_rw(adap
, adap
->params
.drv_memwin
, dparams
->memtype
,
600 dparams
->start
, dparams
->size
, (__be32
*)dinfo
->log
,
602 spin_unlock(&adap
->win0_lock
);
604 seq_release_private(inode
, file
);
608 /* Translate log multi-byte integral elements into host native format
609 * and determine where the first entry in the log is.
611 for (fseqno
= ~((u32
)0), index
= 0; index
< dinfo
->nentries
; index
++) {
612 struct fw_devlog_e
*e
= &dinfo
->log
[index
];
616 if (e
->timestamp
== 0)
619 e
->timestamp
= (__force __be64
)be64_to_cpu(e
->timestamp
);
620 seqno
= be32_to_cpu(e
->seqno
);
621 for (i
= 0; i
< 8; i
++)
623 (__force __be32
)be32_to_cpu(e
->params
[i
]);
625 if (seqno
< fseqno
) {
627 dinfo
->first
= index
;
633 static const struct file_operations devlog_fops
= {
634 .owner
= THIS_MODULE
,
638 .release
= seq_release_private
641 static ssize_t
flash_read(struct file
*file
, char __user
*buf
, size_t count
,
645 loff_t avail
= FILE_DATA(file
)->i_size
;
646 struct adapter
*adap
= file
->private_data
;
652 if (count
> avail
- pos
)
661 len
= min(count
+ ofst
, sizeof(data
));
662 ret
= t4_read_flash(adap
, pos
- ofst
, (len
+ 3) / 4,
668 if (copy_to_user(buf
, data
+ ofst
, len
))
680 static const struct file_operations flash_debugfs_fops
= {
681 .owner
= THIS_MODULE
,
686 static inline void tcamxy2valmask(u64 x
, u64 y
, u8
*addr
, u64
*mask
)
689 y
= (__force u64
)cpu_to_be64(y
);
690 memcpy(addr
, (char *)&y
+ 2, ETH_ALEN
);
693 static int mps_tcam_show(struct seq_file
*seq
, void *v
)
695 if (v
== SEQ_START_TOKEN
)
696 seq_puts(seq
, "Idx Ethernet address Mask Vld Ports PF"
702 struct adapter
*adap
= seq
->private;
703 unsigned int idx
= (uintptr_t)v
- 2;
704 u64 tcamy
= t4_read_reg64(adap
, MPS_CLS_TCAM_Y_L(idx
));
705 u64 tcamx
= t4_read_reg64(adap
, MPS_CLS_TCAM_X_L(idx
));
706 u32 cls_lo
= t4_read_reg(adap
, MPS_CLS_SRAM_L(idx
));
707 u32 cls_hi
= t4_read_reg(adap
, MPS_CLS_SRAM_H(idx
));
708 u32 rplc
[4] = {0, 0, 0, 0};
711 seq_printf(seq
, "%3u -\n", idx
);
715 if (cls_lo
& REPLICATE_F
) {
716 struct fw_ldst_cmd ldst_cmd
;
719 memset(&ldst_cmd
, 0, sizeof(ldst_cmd
));
720 ldst_cmd
.op_to_addrspace
=
721 htonl(FW_CMD_OP_V(FW_LDST_CMD
) |
724 FW_LDST_CMD_ADDRSPACE_V(
725 FW_LDST_ADDRSPC_MPS
));
726 ldst_cmd
.cycles_to_len16
= htonl(FW_LEN16(ldst_cmd
));
727 ldst_cmd
.u
.mps
.fid_ctl
=
728 htons(FW_LDST_CMD_FID_V(FW_LDST_MPS_RPLC
) |
729 FW_LDST_CMD_CTL_V(idx
));
730 ret
= t4_wr_mbox(adap
, adap
->mbox
, &ldst_cmd
,
731 sizeof(ldst_cmd
), &ldst_cmd
);
733 dev_warn(adap
->pdev_dev
, "Can't read MPS "
734 "replication map for idx %d: %d\n",
737 rplc
[0] = ntohl(ldst_cmd
.u
.mps
.rplc31_0
);
738 rplc
[1] = ntohl(ldst_cmd
.u
.mps
.rplc63_32
);
739 rplc
[2] = ntohl(ldst_cmd
.u
.mps
.rplc95_64
);
740 rplc
[3] = ntohl(ldst_cmd
.u
.mps
.rplc127_96
);
744 tcamxy2valmask(tcamx
, tcamy
, addr
, &mask
);
745 seq_printf(seq
, "%3u %02x:%02x:%02x:%02x:%02x:%02x %012llx"
747 idx
, addr
[0], addr
[1], addr
[2], addr
[3], addr
[4],
748 addr
[5], (unsigned long long)mask
,
749 (cls_lo
& SRAM_VLD_F
) ? 'Y' : 'N', PORTMAP_G(cls_hi
),
751 (cls_lo
& VF_VALID_F
) ? VF_G(cls_lo
) : -1);
752 if (cls_lo
& REPLICATE_F
)
753 seq_printf(seq
, " %08x %08x %08x %08x",
754 rplc
[3], rplc
[2], rplc
[1], rplc
[0]);
756 seq_printf(seq
, "%36c", ' ');
757 seq_printf(seq
, "%4u%3u%3u%3u %#x\n",
758 SRAM_PRIO0_G(cls_lo
), SRAM_PRIO1_G(cls_lo
),
759 SRAM_PRIO2_G(cls_lo
), SRAM_PRIO3_G(cls_lo
),
760 (cls_lo
>> MULTILISTEN0_S
) & 0xf);
765 static inline void *mps_tcam_get_idx(struct seq_file
*seq
, loff_t pos
)
767 struct adapter
*adap
= seq
->private;
768 int max_mac_addr
= is_t4(adap
->params
.chip
) ?
769 NUM_MPS_CLS_SRAM_L_INSTANCES
:
770 NUM_MPS_T5_CLS_SRAM_L_INSTANCES
;
771 return ((pos
<= max_mac_addr
) ? (void *)(uintptr_t)(pos
+ 1) : NULL
);
774 static void *mps_tcam_start(struct seq_file
*seq
, loff_t
*pos
)
776 return *pos
? mps_tcam_get_idx(seq
, *pos
) : SEQ_START_TOKEN
;
779 static void *mps_tcam_next(struct seq_file
*seq
, void *v
, loff_t
*pos
)
782 return mps_tcam_get_idx(seq
, *pos
);
785 static void mps_tcam_stop(struct seq_file
*seq
, void *v
)
789 static const struct seq_operations mps_tcam_seq_ops
= {
790 .start
= mps_tcam_start
,
791 .next
= mps_tcam_next
,
792 .stop
= mps_tcam_stop
,
793 .show
= mps_tcam_show
796 static int mps_tcam_open(struct inode
*inode
, struct file
*file
)
798 int res
= seq_open(file
, &mps_tcam_seq_ops
);
801 struct seq_file
*seq
= file
->private_data
;
803 seq
->private = inode
->i_private
;
808 static const struct file_operations mps_tcam_debugfs_fops
= {
809 .owner
= THIS_MODULE
,
810 .open
= mps_tcam_open
,
813 .release
= seq_release
,
816 #if IS_ENABLED(CONFIG_IPV6)
817 static int clip_tbl_open(struct inode
*inode
, struct file
*file
)
819 return single_open(file
, clip_tbl_show
, PDE_DATA(inode
));
822 static const struct file_operations clip_tbl_debugfs_fops
= {
823 .owner
= THIS_MODULE
,
824 .open
= clip_tbl_open
,
827 .release
= single_release
834 static int rss_show(struct seq_file
*seq
, void *v
, int idx
)
838 seq_printf(seq
, "%4d: %4u %4u %4u %4u %4u %4u %4u %4u\n",
839 idx
* 8, entry
[0], entry
[1], entry
[2], entry
[3], entry
[4],
840 entry
[5], entry
[6], entry
[7]);
844 static int rss_open(struct inode
*inode
, struct file
*file
)
848 struct adapter
*adap
= inode
->i_private
;
850 p
= seq_open_tab(file
, RSS_NENTRIES
/ 8, 8 * sizeof(u16
), 0, rss_show
);
854 ret
= t4_read_rss(adap
, (u16
*)p
->data
);
856 seq_release_private(inode
, file
);
861 static const struct file_operations rss_debugfs_fops
= {
862 .owner
= THIS_MODULE
,
866 .release
= seq_release_private
869 /* RSS Configuration.
872 /* Small utility function to return the strings "yes" or "no" if the supplied
873 * argument is non-zero.
875 static const char *yesno(int x
)
877 static const char *yes
= "yes";
878 static const char *no
= "no";
883 static int rss_config_show(struct seq_file
*seq
, void *v
)
885 struct adapter
*adapter
= seq
->private;
886 static const char * const keymode
[] = {
888 "global and per-VF scramble",
889 "per-PF and per-VF scramble",
890 "per-VF and per-VF scramble",
894 rssconf
= t4_read_reg(adapter
, TP_RSS_CONFIG_A
);
895 seq_printf(seq
, "TP_RSS_CONFIG: %#x\n", rssconf
);
896 seq_printf(seq
, " Tnl4TupEnIpv6: %3s\n", yesno(rssconf
&
898 seq_printf(seq
, " Tnl2TupEnIpv6: %3s\n", yesno(rssconf
&
900 seq_printf(seq
, " Tnl4TupEnIpv4: %3s\n", yesno(rssconf
&
902 seq_printf(seq
, " Tnl2TupEnIpv4: %3s\n", yesno(rssconf
&
904 seq_printf(seq
, " TnlTcpSel: %3s\n", yesno(rssconf
& TNLTCPSEL_F
));
905 seq_printf(seq
, " TnlIp6Sel: %3s\n", yesno(rssconf
& TNLIP6SEL_F
));
906 seq_printf(seq
, " TnlVrtSel: %3s\n", yesno(rssconf
& TNLVRTSEL_F
));
907 seq_printf(seq
, " TnlMapEn: %3s\n", yesno(rssconf
& TNLMAPEN_F
));
908 seq_printf(seq
, " OfdHashSave: %3s\n", yesno(rssconf
&
910 seq_printf(seq
, " OfdVrtSel: %3s\n", yesno(rssconf
& OFDVRTSEL_F
));
911 seq_printf(seq
, " OfdMapEn: %3s\n", yesno(rssconf
& OFDMAPEN_F
));
912 seq_printf(seq
, " OfdLkpEn: %3s\n", yesno(rssconf
& OFDLKPEN_F
));
913 seq_printf(seq
, " Syn4TupEnIpv6: %3s\n", yesno(rssconf
&
915 seq_printf(seq
, " Syn2TupEnIpv6: %3s\n", yesno(rssconf
&
917 seq_printf(seq
, " Syn4TupEnIpv4: %3s\n", yesno(rssconf
&
919 seq_printf(seq
, " Syn2TupEnIpv4: %3s\n", yesno(rssconf
&
921 seq_printf(seq
, " Syn4TupEnIpv6: %3s\n", yesno(rssconf
&
923 seq_printf(seq
, " SynIp6Sel: %3s\n", yesno(rssconf
& SYNIP6SEL_F
));
924 seq_printf(seq
, " SynVrt6Sel: %3s\n", yesno(rssconf
& SYNVRTSEL_F
));
925 seq_printf(seq
, " SynMapEn: %3s\n", yesno(rssconf
& SYNMAPEN_F
));
926 seq_printf(seq
, " SynLkpEn: %3s\n", yesno(rssconf
& SYNLKPEN_F
));
927 seq_printf(seq
, " ChnEn: %3s\n", yesno(rssconf
&
929 seq_printf(seq
, " PrtEn: %3s\n", yesno(rssconf
&
931 seq_printf(seq
, " TnlAllLkp: %3s\n", yesno(rssconf
&
933 seq_printf(seq
, " VrtEn: %3s\n", yesno(rssconf
&
935 seq_printf(seq
, " CngEn: %3s\n", yesno(rssconf
&
936 CONGESTIONENABLE_F
));
937 seq_printf(seq
, " HashToeplitz: %3s\n", yesno(rssconf
&
939 seq_printf(seq
, " Udp4En: %3s\n", yesno(rssconf
& UDPENABLE_F
));
940 seq_printf(seq
, " Disable: %3s\n", yesno(rssconf
& DISABLE_F
));
944 rssconf
= t4_read_reg(adapter
, TP_RSS_CONFIG_TNL_A
);
945 seq_printf(seq
, "TP_RSS_CONFIG_TNL: %#x\n", rssconf
);
946 seq_printf(seq
, " MaskSize: %3d\n", MASKSIZE_G(rssconf
));
947 seq_printf(seq
, " MaskFilter: %3d\n", MASKFILTER_G(rssconf
));
948 if (CHELSIO_CHIP_VERSION(adapter
->params
.chip
) > CHELSIO_T5
) {
949 seq_printf(seq
, " HashAll: %3s\n",
950 yesno(rssconf
& HASHALL_F
));
951 seq_printf(seq
, " HashEth: %3s\n",
952 yesno(rssconf
& HASHETH_F
));
954 seq_printf(seq
, " UseWireCh: %3s\n", yesno(rssconf
& USEWIRECH_F
));
958 rssconf
= t4_read_reg(adapter
, TP_RSS_CONFIG_OFD_A
);
959 seq_printf(seq
, "TP_RSS_CONFIG_OFD: %#x\n", rssconf
);
960 seq_printf(seq
, " MaskSize: %3d\n", MASKSIZE_G(rssconf
));
961 seq_printf(seq
, " RRCplMapEn: %3s\n", yesno(rssconf
&
963 seq_printf(seq
, " RRCplQueWidth: %3d\n", RRCPLQUEWIDTH_G(rssconf
));
967 rssconf
= t4_read_reg(adapter
, TP_RSS_CONFIG_SYN_A
);
968 seq_printf(seq
, "TP_RSS_CONFIG_SYN: %#x\n", rssconf
);
969 seq_printf(seq
, " MaskSize: %3d\n", MASKSIZE_G(rssconf
));
970 seq_printf(seq
, " UseWireCh: %3s\n", yesno(rssconf
& USEWIRECH_F
));
974 rssconf
= t4_read_reg(adapter
, TP_RSS_CONFIG_VRT_A
);
975 seq_printf(seq
, "TP_RSS_CONFIG_VRT: %#x\n", rssconf
);
976 if (CHELSIO_CHIP_VERSION(adapter
->params
.chip
) > CHELSIO_T5
) {
977 seq_printf(seq
, " KeyWrAddrX: %3d\n",
978 KEYWRADDRX_G(rssconf
));
979 seq_printf(seq
, " KeyExtend: %3s\n",
980 yesno(rssconf
& KEYEXTEND_F
));
982 seq_printf(seq
, " VfRdRg: %3s\n", yesno(rssconf
& VFRDRG_F
));
983 seq_printf(seq
, " VfRdEn: %3s\n", yesno(rssconf
& VFRDEN_F
));
984 seq_printf(seq
, " VfPerrEn: %3s\n", yesno(rssconf
& VFPERREN_F
));
985 seq_printf(seq
, " KeyPerrEn: %3s\n", yesno(rssconf
& KEYPERREN_F
));
986 seq_printf(seq
, " DisVfVlan: %3s\n", yesno(rssconf
&
988 seq_printf(seq
, " EnUpSwt: %3s\n", yesno(rssconf
& ENABLEUP0_F
));
989 seq_printf(seq
, " HashDelay: %3d\n", HASHDELAY_G(rssconf
));
990 if (CHELSIO_CHIP_VERSION(adapter
->params
.chip
) <= CHELSIO_T5
)
991 seq_printf(seq
, " VfWrAddr: %3d\n", VFWRADDR_G(rssconf
));
992 seq_printf(seq
, " KeyMode: %s\n", keymode
[KEYMODE_G(rssconf
)]);
993 seq_printf(seq
, " VfWrEn: %3s\n", yesno(rssconf
& VFWREN_F
));
994 seq_printf(seq
, " KeyWrEn: %3s\n", yesno(rssconf
& KEYWREN_F
));
995 seq_printf(seq
, " KeyWrAddr: %3d\n", KEYWRADDR_G(rssconf
));
999 rssconf
= t4_read_reg(adapter
, TP_RSS_CONFIG_CNG_A
);
1000 seq_printf(seq
, "TP_RSS_CONFIG_CNG: %#x\n", rssconf
);
1001 seq_printf(seq
, " ChnCount3: %3s\n", yesno(rssconf
& CHNCOUNT3_F
));
1002 seq_printf(seq
, " ChnCount2: %3s\n", yesno(rssconf
& CHNCOUNT2_F
));
1003 seq_printf(seq
, " ChnCount1: %3s\n", yesno(rssconf
& CHNCOUNT1_F
));
1004 seq_printf(seq
, " ChnCount0: %3s\n", yesno(rssconf
& CHNCOUNT0_F
));
1005 seq_printf(seq
, " ChnUndFlow3: %3s\n", yesno(rssconf
&
1007 seq_printf(seq
, " ChnUndFlow2: %3s\n", yesno(rssconf
&
1009 seq_printf(seq
, " ChnUndFlow1: %3s\n", yesno(rssconf
&
1011 seq_printf(seq
, " ChnUndFlow0: %3s\n", yesno(rssconf
&
1013 seq_printf(seq
, " RstChn3: %3s\n", yesno(rssconf
& RSTCHN3_F
));
1014 seq_printf(seq
, " RstChn2: %3s\n", yesno(rssconf
& RSTCHN2_F
));
1015 seq_printf(seq
, " RstChn1: %3s\n", yesno(rssconf
& RSTCHN1_F
));
1016 seq_printf(seq
, " RstChn0: %3s\n", yesno(rssconf
& RSTCHN0_F
));
1017 seq_printf(seq
, " UpdVld: %3s\n", yesno(rssconf
& UPDVLD_F
));
1018 seq_printf(seq
, " Xoff: %3s\n", yesno(rssconf
& XOFF_F
));
1019 seq_printf(seq
, " UpdChn3: %3s\n", yesno(rssconf
& UPDCHN3_F
));
1020 seq_printf(seq
, " UpdChn2: %3s\n", yesno(rssconf
& UPDCHN2_F
));
1021 seq_printf(seq
, " UpdChn1: %3s\n", yesno(rssconf
& UPDCHN1_F
));
1022 seq_printf(seq
, " UpdChn0: %3s\n", yesno(rssconf
& UPDCHN0_F
));
1023 seq_printf(seq
, " Queue: %3d\n", QUEUE_G(rssconf
));
1028 DEFINE_SIMPLE_DEBUGFS_FILE(rss_config
);
1033 static int rss_key_show(struct seq_file
*seq
, void *v
)
1037 t4_read_rss_key(seq
->private, key
);
1038 seq_printf(seq
, "%08x%08x%08x%08x%08x%08x%08x%08x%08x%08x\n",
1039 key
[9], key
[8], key
[7], key
[6], key
[5], key
[4], key
[3],
1040 key
[2], key
[1], key
[0]);
1044 static int rss_key_open(struct inode
*inode
, struct file
*file
)
1046 return single_open(file
, rss_key_show
, inode
->i_private
);
1049 static ssize_t
rss_key_write(struct file
*file
, const char __user
*buf
,
1050 size_t count
, loff_t
*pos
)
1055 struct adapter
*adap
= FILE_DATA(file
)->i_private
;
1057 if (count
> sizeof(s
) - 1)
1059 if (copy_from_user(s
, buf
, count
))
1061 for (i
= count
; i
> 0 && isspace(s
[i
- 1]); i
--)
1065 for (p
= s
, i
= 9; i
>= 0; i
--) {
1067 for (j
= 0; j
< 8; j
++, p
++) {
1070 key
[i
] = (key
[i
] << 4) | hex2val(*p
);
1074 t4_write_rss_key(adap
, key
, -1);
1078 static const struct file_operations rss_key_debugfs_fops
= {
1079 .owner
= THIS_MODULE
,
1080 .open
= rss_key_open
,
1082 .llseek
= seq_lseek
,
1083 .release
= single_release
,
1084 .write
= rss_key_write
1087 /* PF RSS Configuration.
1090 struct rss_pf_conf
{
1096 static int rss_pf_config_show(struct seq_file
*seq
, void *v
, int idx
)
1098 struct rss_pf_conf
*pfconf
;
1100 if (v
== SEQ_START_TOKEN
) {
1101 /* use the 0th entry to dump the PF Map Index Size */
1102 pfconf
= seq
->private + offsetof(struct seq_tab
, data
);
1103 seq_printf(seq
, "PF Map Index Size = %d\n\n",
1104 LKPIDXSIZE_G(pfconf
->rss_pf_map
));
1106 seq_puts(seq
, " RSS PF VF Hash Tuple Enable Default\n");
1107 seq_puts(seq
, " Enable IPF Mask Mask IPv6 IPv4 UDP Queue\n");
1108 seq_puts(seq
, " PF Map Chn Prt Map Size Size Four Two Four Two Four Ch1 Ch0\n");
1110 #define G_PFnLKPIDX(map, n) \
1111 (((map) >> PF1LKPIDX_S*(n)) & PF0LKPIDX_M)
1112 #define G_PFnMSKSIZE(mask, n) \
1113 (((mask) >> PF1MSKSIZE_S*(n)) & PF1MSKSIZE_M)
1116 seq_printf(seq
, "%3d %3s %3s %3s %3d %3d %3d %3s %3s %3s %3s %3s %3d %3d\n",
1118 yesno(pfconf
->rss_pf_config
& MAPENABLE_F
),
1119 yesno(pfconf
->rss_pf_config
& CHNENABLE_F
),
1120 yesno(pfconf
->rss_pf_config
& PRTENABLE_F
),
1121 G_PFnLKPIDX(pfconf
->rss_pf_map
, idx
),
1122 G_PFnMSKSIZE(pfconf
->rss_pf_mask
, idx
),
1123 IVFWIDTH_G(pfconf
->rss_pf_config
),
1124 yesno(pfconf
->rss_pf_config
& IP6FOURTUPEN_F
),
1125 yesno(pfconf
->rss_pf_config
& IP6TWOTUPEN_F
),
1126 yesno(pfconf
->rss_pf_config
& IP4FOURTUPEN_F
),
1127 yesno(pfconf
->rss_pf_config
& IP4TWOTUPEN_F
),
1128 yesno(pfconf
->rss_pf_config
& UDPFOURTUPEN_F
),
1129 CH1DEFAULTQUEUE_G(pfconf
->rss_pf_config
),
1130 CH0DEFAULTQUEUE_G(pfconf
->rss_pf_config
));
1138 static int rss_pf_config_open(struct inode
*inode
, struct file
*file
)
1140 struct adapter
*adapter
= inode
->i_private
;
1142 u32 rss_pf_map
, rss_pf_mask
;
1143 struct rss_pf_conf
*pfconf
;
1146 p
= seq_open_tab(file
, 8, sizeof(*pfconf
), 1, rss_pf_config_show
);
1150 pfconf
= (struct rss_pf_conf
*)p
->data
;
1151 rss_pf_map
= t4_read_rss_pf_map(adapter
);
1152 rss_pf_mask
= t4_read_rss_pf_mask(adapter
);
1153 for (pf
= 0; pf
< 8; pf
++) {
1154 pfconf
[pf
].rss_pf_map
= rss_pf_map
;
1155 pfconf
[pf
].rss_pf_mask
= rss_pf_mask
;
1156 t4_read_rss_pf_config(adapter
, pf
, &pfconf
[pf
].rss_pf_config
);
1161 static const struct file_operations rss_pf_config_debugfs_fops
= {
1162 .owner
= THIS_MODULE
,
1163 .open
= rss_pf_config_open
,
1165 .llseek
= seq_lseek
,
1166 .release
= seq_release_private
1169 /* VF RSS Configuration.
1172 struct rss_vf_conf
{
1177 static int rss_vf_config_show(struct seq_file
*seq
, void *v
, int idx
)
1179 if (v
== SEQ_START_TOKEN
) {
1180 seq_puts(seq
, " RSS Hash Tuple Enable\n");
1181 seq_puts(seq
, " Enable IVF Dis Enb IPv6 IPv4 UDP Def Secret Key\n");
1182 seq_puts(seq
, " VF Chn Prt Map VLAN uP Four Two Four Two Four Que Idx Hash\n");
1184 struct rss_vf_conf
*vfconf
= v
;
1186 seq_printf(seq
, "%3d %3s %3s %3d %3s %3s %3s %3s %3s %3s %3s %4d %3d %#10x\n",
1188 yesno(vfconf
->rss_vf_vfh
& VFCHNEN_F
),
1189 yesno(vfconf
->rss_vf_vfh
& VFPRTEN_F
),
1190 VFLKPIDX_G(vfconf
->rss_vf_vfh
),
1191 yesno(vfconf
->rss_vf_vfh
& VFVLNEX_F
),
1192 yesno(vfconf
->rss_vf_vfh
& VFUPEN_F
),
1193 yesno(vfconf
->rss_vf_vfh
& VFIP4FOURTUPEN_F
),
1194 yesno(vfconf
->rss_vf_vfh
& VFIP6TWOTUPEN_F
),
1195 yesno(vfconf
->rss_vf_vfh
& VFIP4FOURTUPEN_F
),
1196 yesno(vfconf
->rss_vf_vfh
& VFIP4TWOTUPEN_F
),
1197 yesno(vfconf
->rss_vf_vfh
& ENABLEUDPHASH_F
),
1198 DEFAULTQUEUE_G(vfconf
->rss_vf_vfh
),
1199 KEYINDEX_G(vfconf
->rss_vf_vfh
),
1200 vfconf
->rss_vf_vfl
);
1205 static int rss_vf_config_open(struct inode
*inode
, struct file
*file
)
1207 struct adapter
*adapter
= inode
->i_private
;
1209 struct rss_vf_conf
*vfconf
;
1212 p
= seq_open_tab(file
, 128, sizeof(*vfconf
), 1, rss_vf_config_show
);
1216 vfconf
= (struct rss_vf_conf
*)p
->data
;
1217 for (vf
= 0; vf
< 128; vf
++) {
1218 t4_read_rss_vf_config(adapter
, vf
, &vfconf
[vf
].rss_vf_vfl
,
1219 &vfconf
[vf
].rss_vf_vfh
);
1224 static const struct file_operations rss_vf_config_debugfs_fops
= {
1225 .owner
= THIS_MODULE
,
1226 .open
= rss_vf_config_open
,
1228 .llseek
= seq_lseek
,
1229 .release
= seq_release_private
1232 static int sge_qinfo_show(struct seq_file
*seq
, void *v
)
1234 struct adapter
*adap
= seq
->private;
1235 int eth_entries
= DIV_ROUND_UP(adap
->sge
.ethqsets
, 4);
1236 int toe_entries
= DIV_ROUND_UP(adap
->sge
.ofldqsets
, 4);
1237 int rdma_entries
= DIV_ROUND_UP(adap
->sge
.rdmaqs
, 4);
1238 int ciq_entries
= DIV_ROUND_UP(adap
->sge
.rdmaciqs
, 4);
1239 int ctrl_entries
= DIV_ROUND_UP(MAX_CTRL_QUEUES
, 4);
1240 int i
, r
= (uintptr_t)v
- 1;
1241 int toe_idx
= r
- eth_entries
;
1242 int rdma_idx
= toe_idx
- toe_entries
;
1243 int ciq_idx
= rdma_idx
- rdma_entries
;
1244 int ctrl_idx
= ciq_idx
- ciq_entries
;
1245 int fq_idx
= ctrl_idx
- ctrl_entries
;
1248 seq_putc(seq
, '\n');
1250 #define S3(fmt_spec, s, v) \
1252 seq_printf(seq, "%-12s", s); \
1253 for (i = 0; i < n; ++i) \
1254 seq_printf(seq, " %16" fmt_spec, v); \
1255 seq_putc(seq, '\n'); \
1257 #define S(s, v) S3("s", s, v)
1258 #define T(s, v) S3("u", s, tx[i].v)
1259 #define R(s, v) S3("u", s, rx[i].v)
1261 if (r
< eth_entries
) {
1262 int base_qset
= r
* 4;
1263 const struct sge_eth_rxq
*rx
= &adap
->sge
.ethrxq
[base_qset
];
1264 const struct sge_eth_txq
*tx
= &adap
->sge
.ethtxq
[base_qset
];
1265 int n
= min(4, adap
->sge
.ethqsets
- 4 * r
);
1267 S("QType:", "Ethernet");
1269 rx
[i
].rspq
.netdev
? rx
[i
].rspq
.netdev
->name
: "N/A");
1270 T("TxQ ID:", q
.cntxt_id
);
1271 T("TxQ size:", q
.size
);
1272 T("TxQ inuse:", q
.in_use
);
1273 T("TxQ CIDX:", q
.cidx
);
1274 T("TxQ PIDX:", q
.pidx
);
1275 #ifdef CONFIG_CXGB4_DCB
1276 T("DCB Prio:", dcb_prio
);
1277 S3("u", "DCB PGID:",
1278 (ethqset2pinfo(adap
, base_qset
+ i
)->dcb
.pgid
>>
1279 4*(7-tx
[i
].dcb_prio
)) & 0xf);
1281 (ethqset2pinfo(adap
, base_qset
+ i
)->dcb
.pfcen
>>
1282 1*(7-tx
[i
].dcb_prio
)) & 0x1);
1284 R("RspQ ID:", rspq
.abs_id
);
1285 R("RspQ size:", rspq
.size
);
1286 R("RspQE size:", rspq
.iqe_len
);
1287 R("RspQ CIDX:", rspq
.cidx
);
1288 R("RspQ Gen:", rspq
.gen
);
1289 S3("u", "Intr delay:", qtimer_val(adap
, &rx
[i
].rspq
));
1290 S3("u", "Intr pktcnt:",
1291 adap
->sge
.counter_val
[rx
[i
].rspq
.pktcnt_idx
]);
1292 R("FL ID:", fl
.cntxt_id
);
1293 R("FL size:", fl
.size
- 8);
1294 R("FL pend:", fl
.pend_cred
);
1295 R("FL avail:", fl
.avail
);
1296 R("FL PIDX:", fl
.pidx
);
1297 R("FL CIDX:", fl
.cidx
);
1298 } else if (toe_idx
< toe_entries
) {
1299 const struct sge_ofld_rxq
*rx
= &adap
->sge
.ofldrxq
[toe_idx
* 4];
1300 const struct sge_ofld_txq
*tx
= &adap
->sge
.ofldtxq
[toe_idx
* 4];
1301 int n
= min(4, adap
->sge
.ofldqsets
- 4 * toe_idx
);
1304 T("TxQ ID:", q
.cntxt_id
);
1305 T("TxQ size:", q
.size
);
1306 T("TxQ inuse:", q
.in_use
);
1307 T("TxQ CIDX:", q
.cidx
);
1308 T("TxQ PIDX:", q
.pidx
);
1309 R("RspQ ID:", rspq
.abs_id
);
1310 R("RspQ size:", rspq
.size
);
1311 R("RspQE size:", rspq
.iqe_len
);
1312 R("RspQ CIDX:", rspq
.cidx
);
1313 R("RspQ Gen:", rspq
.gen
);
1314 S3("u", "Intr delay:", qtimer_val(adap
, &rx
[i
].rspq
));
1315 S3("u", "Intr pktcnt:",
1316 adap
->sge
.counter_val
[rx
[i
].rspq
.pktcnt_idx
]);
1317 R("FL ID:", fl
.cntxt_id
);
1318 R("FL size:", fl
.size
- 8);
1319 R("FL pend:", fl
.pend_cred
);
1320 R("FL avail:", fl
.avail
);
1321 R("FL PIDX:", fl
.pidx
);
1322 R("FL CIDX:", fl
.cidx
);
1323 } else if (rdma_idx
< rdma_entries
) {
1324 const struct sge_ofld_rxq
*rx
=
1325 &adap
->sge
.rdmarxq
[rdma_idx
* 4];
1326 int n
= min(4, adap
->sge
.rdmaqs
- 4 * rdma_idx
);
1328 S("QType:", "RDMA-CPL");
1329 R("RspQ ID:", rspq
.abs_id
);
1330 R("RspQ size:", rspq
.size
);
1331 R("RspQE size:", rspq
.iqe_len
);
1332 R("RspQ CIDX:", rspq
.cidx
);
1333 R("RspQ Gen:", rspq
.gen
);
1334 S3("u", "Intr delay:", qtimer_val(adap
, &rx
[i
].rspq
));
1335 S3("u", "Intr pktcnt:",
1336 adap
->sge
.counter_val
[rx
[i
].rspq
.pktcnt_idx
]);
1337 R("FL ID:", fl
.cntxt_id
);
1338 R("FL size:", fl
.size
- 8);
1339 R("FL pend:", fl
.pend_cred
);
1340 R("FL avail:", fl
.avail
);
1341 R("FL PIDX:", fl
.pidx
);
1342 R("FL CIDX:", fl
.cidx
);
1343 } else if (ciq_idx
< ciq_entries
) {
1344 const struct sge_ofld_rxq
*rx
= &adap
->sge
.rdmaciq
[ciq_idx
* 4];
1345 int n
= min(4, adap
->sge
.rdmaciqs
- 4 * ciq_idx
);
1347 S("QType:", "RDMA-CIQ");
1348 R("RspQ ID:", rspq
.abs_id
);
1349 R("RspQ size:", rspq
.size
);
1350 R("RspQE size:", rspq
.iqe_len
);
1351 R("RspQ CIDX:", rspq
.cidx
);
1352 R("RspQ Gen:", rspq
.gen
);
1353 S3("u", "Intr delay:", qtimer_val(adap
, &rx
[i
].rspq
));
1354 S3("u", "Intr pktcnt:",
1355 adap
->sge
.counter_val
[rx
[i
].rspq
.pktcnt_idx
]);
1356 } else if (ctrl_idx
< ctrl_entries
) {
1357 const struct sge_ctrl_txq
*tx
= &adap
->sge
.ctrlq
[ctrl_idx
* 4];
1358 int n
= min(4, adap
->params
.nports
- 4 * ctrl_idx
);
1360 S("QType:", "Control");
1361 T("TxQ ID:", q
.cntxt_id
);
1362 T("TxQ size:", q
.size
);
1363 T("TxQ inuse:", q
.in_use
);
1364 T("TxQ CIDX:", q
.cidx
);
1365 T("TxQ PIDX:", q
.pidx
);
1366 } else if (fq_idx
== 0) {
1367 const struct sge_rspq
*evtq
= &adap
->sge
.fw_evtq
;
1369 seq_printf(seq
, "%-12s %16s\n", "QType:", "FW event queue");
1370 seq_printf(seq
, "%-12s %16u\n", "RspQ ID:", evtq
->abs_id
);
1371 seq_printf(seq
, "%-12s %16u\n", "RspQ size:", evtq
->size
);
1372 seq_printf(seq
, "%-12s %16u\n", "RspQE size:", evtq
->iqe_len
);
1373 seq_printf(seq
, "%-12s %16u\n", "RspQ CIDX:", evtq
->cidx
);
1374 seq_printf(seq
, "%-12s %16u\n", "RspQ Gen:", evtq
->gen
);
1375 seq_printf(seq
, "%-12s %16u\n", "Intr delay:",
1376 qtimer_val(adap
, evtq
));
1377 seq_printf(seq
, "%-12s %16u\n", "Intr pktcnt:",
1378 adap
->sge
.counter_val
[evtq
->pktcnt_idx
]);
1387 static int sge_queue_entries(const struct adapter
*adap
)
1389 return DIV_ROUND_UP(adap
->sge
.ethqsets
, 4) +
1390 DIV_ROUND_UP(adap
->sge
.ofldqsets
, 4) +
1391 DIV_ROUND_UP(adap
->sge
.rdmaqs
, 4) +
1392 DIV_ROUND_UP(adap
->sge
.rdmaciqs
, 4) +
1393 DIV_ROUND_UP(MAX_CTRL_QUEUES
, 4) + 1;
1396 static void *sge_queue_start(struct seq_file
*seq
, loff_t
*pos
)
1398 int entries
= sge_queue_entries(seq
->private);
1400 return *pos
< entries
? (void *)((uintptr_t)*pos
+ 1) : NULL
;
1403 static void sge_queue_stop(struct seq_file
*seq
, void *v
)
1407 static void *sge_queue_next(struct seq_file
*seq
, void *v
, loff_t
*pos
)
1409 int entries
= sge_queue_entries(seq
->private);
1412 return *pos
< entries
? (void *)((uintptr_t)*pos
+ 1) : NULL
;
1415 static const struct seq_operations sge_qinfo_seq_ops
= {
1416 .start
= sge_queue_start
,
1417 .next
= sge_queue_next
,
1418 .stop
= sge_queue_stop
,
1419 .show
= sge_qinfo_show
1422 static int sge_qinfo_open(struct inode
*inode
, struct file
*file
)
1424 int res
= seq_open(file
, &sge_qinfo_seq_ops
);
1427 struct seq_file
*seq
= file
->private_data
;
1429 seq
->private = inode
->i_private
;
1434 static const struct file_operations sge_qinfo_debugfs_fops
= {
1435 .owner
= THIS_MODULE
,
1436 .open
= sge_qinfo_open
,
1438 .llseek
= seq_lseek
,
1439 .release
= seq_release
,
1442 int mem_open(struct inode
*inode
, struct file
*file
)
1445 struct adapter
*adap
;
1447 file
->private_data
= inode
->i_private
;
1449 mem
= (uintptr_t)file
->private_data
& 0x3;
1450 adap
= file
->private_data
- mem
;
1452 (void)t4_fwcache(adap
, FW_PARAM_DEV_FWCACHE_FLUSH
);
1457 static ssize_t
mem_read(struct file
*file
, char __user
*buf
, size_t count
,
1461 loff_t avail
= file_inode(file
)->i_size
;
1462 unsigned int mem
= (uintptr_t)file
->private_data
& 3;
1463 struct adapter
*adap
= file
->private_data
- mem
;
1471 if (count
> avail
- pos
)
1472 count
= avail
- pos
;
1474 data
= t4_alloc_mem(count
);
1478 spin_lock(&adap
->win0_lock
);
1479 ret
= t4_memory_rw(adap
, 0, mem
, pos
, count
, data
, T4_MEMORY_READ
);
1480 spin_unlock(&adap
->win0_lock
);
1485 ret
= copy_to_user(buf
, data
, count
);
1491 *ppos
= pos
+ count
;
1494 static const struct file_operations mem_debugfs_fops
= {
1495 .owner
= THIS_MODULE
,
1496 .open
= simple_open
,
1498 .llseek
= default_llseek
,
1501 static void set_debugfs_file_size(struct dentry
*de
, loff_t size
)
1503 if (!IS_ERR(de
) && de
->d_inode
)
1504 de
->d_inode
->i_size
= size
;
1507 static void add_debugfs_mem(struct adapter
*adap
, const char *name
,
1508 unsigned int idx
, unsigned int size_mb
)
1512 de
= debugfs_create_file(name
, S_IRUSR
, adap
->debugfs_root
,
1513 (void *)adap
+ idx
, &mem_debugfs_fops
);
1514 if (de
&& de
->d_inode
)
1515 de
->d_inode
->i_size
= size_mb
<< 20;
1518 /* Add an array of Debug FS files.
1520 void add_debugfs_files(struct adapter
*adap
,
1521 struct t4_debugfs_entry
*files
,
1522 unsigned int nfiles
)
1526 /* debugfs support is best effort */
1527 for (i
= 0; i
< nfiles
; i
++)
1528 debugfs_create_file(files
[i
].name
, files
[i
].mode
,
1530 (void *)adap
+ files
[i
].data
,
1534 int t4_setup_debugfs(struct adapter
*adap
)
1540 static struct t4_debugfs_entry t4_debugfs_files
[] = {
1541 { "cim_la", &cim_la_fops
, S_IRUSR
, 0 },
1542 { "cim_qcfg", &cim_qcfg_fops
, S_IRUSR
, 0 },
1543 { "clk", &clk_debugfs_fops
, S_IRUSR
, 0 },
1544 { "devlog", &devlog_fops
, S_IRUSR
, 0 },
1545 { "l2t", &t4_l2t_fops
, S_IRUSR
, 0},
1546 { "mps_tcam", &mps_tcam_debugfs_fops
, S_IRUSR
, 0 },
1547 { "rss", &rss_debugfs_fops
, S_IRUSR
, 0 },
1548 { "rss_config", &rss_config_debugfs_fops
, S_IRUSR
, 0 },
1549 { "rss_key", &rss_key_debugfs_fops
, S_IRUSR
, 0 },
1550 { "rss_pf_config", &rss_pf_config_debugfs_fops
, S_IRUSR
, 0 },
1551 { "rss_vf_config", &rss_vf_config_debugfs_fops
, S_IRUSR
, 0 },
1552 { "sge_qinfo", &sge_qinfo_debugfs_fops
, S_IRUSR
, 0 },
1553 { "ibq_tp0", &cim_ibq_fops
, S_IRUSR
, 0 },
1554 { "ibq_tp1", &cim_ibq_fops
, S_IRUSR
, 1 },
1555 { "ibq_ulp", &cim_ibq_fops
, S_IRUSR
, 2 },
1556 { "ibq_sge0", &cim_ibq_fops
, S_IRUSR
, 3 },
1557 { "ibq_sge1", &cim_ibq_fops
, S_IRUSR
, 4 },
1558 { "ibq_ncsi", &cim_ibq_fops
, S_IRUSR
, 5 },
1559 { "obq_ulp0", &cim_obq_fops
, S_IRUSR
, 0 },
1560 { "obq_ulp1", &cim_obq_fops
, S_IRUSR
, 1 },
1561 { "obq_ulp2", &cim_obq_fops
, S_IRUSR
, 2 },
1562 { "obq_ulp3", &cim_obq_fops
, S_IRUSR
, 3 },
1563 { "obq_sge", &cim_obq_fops
, S_IRUSR
, 4 },
1564 { "obq_ncsi", &cim_obq_fops
, S_IRUSR
, 5 },
1565 { "pm_stats", &pm_stats_debugfs_fops
, S_IRUSR
, 0 },
1566 #if IS_ENABLED(CONFIG_IPV6)
1567 { "clip_tbl", &clip_tbl_debugfs_fops
, S_IRUSR
, 0 },
1571 /* Debug FS nodes common to all T5 and later adapters.
1573 static struct t4_debugfs_entry t5_debugfs_files
[] = {
1574 { "obq_sge_rx_q0", &cim_obq_fops
, S_IRUSR
, 6 },
1575 { "obq_sge_rx_q1", &cim_obq_fops
, S_IRUSR
, 7 },
1578 add_debugfs_files(adap
,
1580 ARRAY_SIZE(t4_debugfs_files
));
1581 if (!is_t4(adap
->params
.chip
))
1582 add_debugfs_files(adap
,
1584 ARRAY_SIZE(t5_debugfs_files
));
1586 i
= t4_read_reg(adap
, MA_TARGET_MEM_ENABLE_A
);
1587 if (i
& EDRAM0_ENABLE_F
) {
1588 size
= t4_read_reg(adap
, MA_EDRAM0_BAR_A
);
1589 add_debugfs_mem(adap
, "edc0", MEM_EDC0
, EDRAM0_SIZE_G(size
));
1591 if (i
& EDRAM1_ENABLE_F
) {
1592 size
= t4_read_reg(adap
, MA_EDRAM1_BAR_A
);
1593 add_debugfs_mem(adap
, "edc1", MEM_EDC1
, EDRAM1_SIZE_G(size
));
1595 if (is_t4(adap
->params
.chip
)) {
1596 size
= t4_read_reg(adap
, MA_EXT_MEMORY_BAR_A
);
1597 if (i
& EXT_MEM_ENABLE_F
)
1598 add_debugfs_mem(adap
, "mc", MEM_MC
,
1599 EXT_MEM_SIZE_G(size
));
1601 if (i
& EXT_MEM0_ENABLE_F
) {
1602 size
= t4_read_reg(adap
, MA_EXT_MEMORY0_BAR_A
);
1603 add_debugfs_mem(adap
, "mc0", MEM_MC0
,
1604 EXT_MEM0_SIZE_G(size
));
1606 if (i
& EXT_MEM1_ENABLE_F
) {
1607 size
= t4_read_reg(adap
, MA_EXT_MEMORY1_BAR_A
);
1608 add_debugfs_mem(adap
, "mc1", MEM_MC1
,
1609 EXT_MEM1_SIZE_G(size
));
1613 de
= debugfs_create_file("flash", S_IRUSR
, adap
->debugfs_root
, adap
,
1614 &flash_debugfs_fops
);
1615 set_debugfs_file_size(de
, adap
->params
.sf_size
);