2 * Copyright 2012 Cisco Systems, Inc. All rights reserved.
4 * This program is free software; you may redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
9 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
10 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
11 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
12 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
13 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
14 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
18 #include <linux/module.h>
19 #include <linux/errno.h>
20 #include <linux/debugfs.h>
23 static struct dentry
*fnic_trace_debugfs_root
;
24 static struct dentry
*fnic_trace_debugfs_file
;
25 static struct dentry
*fnic_trace_enable
;
26 static struct dentry
*fnic_stats_debugfs_root
;
28 static struct dentry
*fnic_fc_trace_debugfs_file
;
29 static struct dentry
*fnic_fc_rdata_trace_debugfs_file
;
30 static struct dentry
*fnic_fc_trace_enable
;
31 static struct dentry
*fnic_fc_trace_clear
;
33 struct fc_trace_flag_type
{
41 static struct fc_trace_flag_type
*fc_trc_flag
;
44 * fnic_debugfs_init - Initialize debugfs for fnic debug logging
47 * When Debugfs is configured this routine sets up the fnic debugfs
48 * file system. If not already created, this routine will create the
49 * fnic directory and statistics directory for trace buffer and
52 int fnic_debugfs_init(void)
55 fnic_trace_debugfs_root
= debugfs_create_dir("fnic", NULL
);
56 if (!fnic_trace_debugfs_root
) {
57 printk(KERN_DEBUG
"Cannot create debugfs root\n");
61 if (!fnic_trace_debugfs_root
) {
63 "fnic root directory doesn't exist in debugfs\n");
67 fnic_stats_debugfs_root
= debugfs_create_dir("statistics",
68 fnic_trace_debugfs_root
);
69 if (!fnic_stats_debugfs_root
) {
70 printk(KERN_DEBUG
"Cannot create Statistics directory\n");
74 /* Allocate memory to structure */
75 fc_trc_flag
= (struct fc_trace_flag_type
*)
76 vmalloc(sizeof(struct fc_trace_flag_type
));
79 fc_trc_flag
->fc_row_file
= 0;
80 fc_trc_flag
->fc_normal_file
= 1;
81 fc_trc_flag
->fnic_trace
= 2;
82 fc_trc_flag
->fc_trace
= 3;
83 fc_trc_flag
->fc_clear
= 4;
91 * fnic_debugfs_terminate - Tear down debugfs infrastructure
94 * When Debugfs is configured this routine removes debugfs file system
95 * elements that are specific to fnic.
97 void fnic_debugfs_terminate(void)
99 debugfs_remove(fnic_stats_debugfs_root
);
100 fnic_stats_debugfs_root
= NULL
;
102 debugfs_remove(fnic_trace_debugfs_root
);
103 fnic_trace_debugfs_root
= NULL
;
110 * fnic_trace_ctrl_open - Open the trace_enable file for fnic_trace
111 * Or Open fc_trace_enable file for fc_trace
112 * @inode: The inode pointer.
113 * @file: The file pointer to attach the trace enable/disable flag.
116 * This routine opens a debugsfs file trace_enable or fc_trace_enable.
119 * This function returns zero if successful.
121 static int fnic_trace_ctrl_open(struct inode
*inode
, struct file
*filp
)
123 filp
->private_data
= inode
->i_private
;
128 * fnic_trace_ctrl_read -
129 * Read trace_enable ,fc_trace_enable
130 * or fc_trace_clear debugfs file
131 * @filp: The file pointer to read from.
132 * @ubuf: The buffer to copy the data to.
133 * @cnt: The number of bytes to read.
134 * @ppos: The position in the file to start reading from.
137 * This routine reads value of variable fnic_tracing_enabled or
138 * fnic_fc_tracing_enabled or fnic_fc_trace_cleared
139 * and stores into local @buf.
140 * It will start reading file at @ppos and
141 * copy up to @cnt of data to @ubuf from @buf.
144 * This function returns the amount of data that was read.
146 static ssize_t
fnic_trace_ctrl_read(struct file
*filp
,
148 size_t cnt
, loff_t
*ppos
)
154 trace_type
= (u8
*)filp
->private_data
;
155 if (*trace_type
== fc_trc_flag
->fnic_trace
)
156 len
= sprintf(buf
, "%u\n", fnic_tracing_enabled
);
157 else if (*trace_type
== fc_trc_flag
->fc_trace
)
158 len
= sprintf(buf
, "%u\n", fnic_fc_tracing_enabled
);
159 else if (*trace_type
== fc_trc_flag
->fc_clear
)
160 len
= sprintf(buf
, "%u\n", fnic_fc_trace_cleared
);
162 pr_err("fnic: Cannot read to any debugfs file\n");
164 return simple_read_from_buffer(ubuf
, cnt
, ppos
, buf
, len
);
168 * fnic_trace_ctrl_write -
169 * Write to trace_enable, fc_trace_enable or
170 * fc_trace_clear debugfs file
171 * @filp: The file pointer to write from.
172 * @ubuf: The buffer to copy the data from.
173 * @cnt: The number of bytes to write.
174 * @ppos: The position in the file to start writing to.
177 * This routine writes data from user buffer @ubuf to buffer @buf and
178 * sets fc_trace_enable ,tracing_enable or fnic_fc_trace_cleared
179 * value as per user input.
182 * This function returns the amount of data that was written.
184 static ssize_t
fnic_trace_ctrl_write(struct file
*filp
,
185 const char __user
*ubuf
,
186 size_t cnt
, loff_t
*ppos
)
192 trace_type
= (u8
*)filp
->private_data
;
194 if (cnt
>= sizeof(buf
))
197 if (copy_from_user(&buf
, ubuf
, cnt
))
202 ret
= kstrtoul(buf
, 10, &val
);
206 if (*trace_type
== fc_trc_flag
->fnic_trace
)
207 fnic_tracing_enabled
= val
;
208 else if (*trace_type
== fc_trc_flag
->fc_trace
)
209 fnic_fc_tracing_enabled
= val
;
210 else if (*trace_type
== fc_trc_flag
->fc_clear
)
211 fnic_fc_trace_cleared
= val
;
213 pr_err("fnic: cannot write to any debugfs file\n");
220 static const struct file_operations fnic_trace_ctrl_fops
= {
221 .owner
= THIS_MODULE
,
222 .open
= fnic_trace_ctrl_open
,
223 .read
= fnic_trace_ctrl_read
,
224 .write
= fnic_trace_ctrl_write
,
228 * fnic_trace_debugfs_open - Open the fnic trace log
229 * @inode: The inode pointer
230 * @file: The file pointer to attach the log output
233 * This routine is the entry point for the debugfs open file operation.
234 * It allocates the necessary buffer for the log, fills the buffer from
235 * the in-memory log and then returns a pointer to that log in
236 * the private_data field in @file.
239 * This function returns zero if successful. On error it will return
240 * a negative error value.
242 static int fnic_trace_debugfs_open(struct inode
*inode
,
245 fnic_dbgfs_t
*fnic_dbg_prt
;
247 rdata_ptr
= (u8
*)inode
->i_private
;
248 fnic_dbg_prt
= kzalloc(sizeof(fnic_dbgfs_t
), GFP_KERNEL
);
252 if (*rdata_ptr
== fc_trc_flag
->fnic_trace
) {
253 fnic_dbg_prt
->buffer
= vmalloc(3 *
254 (trace_max_pages
* PAGE_SIZE
));
255 if (!fnic_dbg_prt
->buffer
) {
259 memset((void *)fnic_dbg_prt
->buffer
, 0,
260 3 * (trace_max_pages
* PAGE_SIZE
));
261 fnic_dbg_prt
->buffer_len
= fnic_get_trace_data(fnic_dbg_prt
);
263 fnic_dbg_prt
->buffer
=
264 vmalloc(3 * (fnic_fc_trace_max_pages
* PAGE_SIZE
));
265 if (!fnic_dbg_prt
->buffer
) {
269 memset((void *)fnic_dbg_prt
->buffer
, 0,
270 3 * (fnic_fc_trace_max_pages
* PAGE_SIZE
));
271 fnic_dbg_prt
->buffer_len
=
272 fnic_fc_trace_get_data(fnic_dbg_prt
, *rdata_ptr
);
274 file
->private_data
= fnic_dbg_prt
;
280 * fnic_trace_debugfs_lseek - Seek through a debugfs file
281 * @file: The file pointer to seek through.
282 * @offset: The offset to seek to or the amount to seek by.
283 * @howto: Indicates how to seek.
286 * This routine is the entry point for the debugfs lseek file operation.
287 * The @howto parameter indicates whether @offset is the offset to directly
288 * seek to, or if it is a value to seek forward or reverse by. This function
289 * figures out what the new offset of the debugfs file will be and assigns
290 * that value to the f_pos field of @file.
293 * This function returns the new offset if successful and returns a negative
294 * error if unable to process the seek.
296 static loff_t
fnic_trace_debugfs_lseek(struct file
*file
,
300 fnic_dbgfs_t
*fnic_dbg_prt
= file
->private_data
;
301 return fixed_size_llseek(file
, offset
, howto
,
302 fnic_dbg_prt
->buffer_len
);
306 * fnic_trace_debugfs_read - Read a debugfs file
307 * @file: The file pointer to read from.
308 * @ubuf: The buffer to copy the data to.
309 * @nbytes: The number of bytes to read.
310 * @pos: The position in the file to start reading from.
313 * This routine reads data from the buffer indicated in the private_data
314 * field of @file. It will start reading at @pos and copy up to @nbytes of
318 * This function returns the amount of data that was read (this could be
319 * less than @nbytes if the end of the file was reached).
321 static ssize_t
fnic_trace_debugfs_read(struct file
*file
,
326 fnic_dbgfs_t
*fnic_dbg_prt
= file
->private_data
;
328 rc
= simple_read_from_buffer(ubuf
, nbytes
, pos
,
329 fnic_dbg_prt
->buffer
,
330 fnic_dbg_prt
->buffer_len
);
335 * fnic_trace_debugfs_release - Release the buffer used to store
337 * @inode: The inode pointer
338 * @file: The file pointer that contains the buffer to release
341 * This routine frees the buffer that was allocated when the debugfs
345 * This function returns zero.
347 static int fnic_trace_debugfs_release(struct inode
*inode
,
350 fnic_dbgfs_t
*fnic_dbg_prt
= file
->private_data
;
352 vfree(fnic_dbg_prt
->buffer
);
357 static const struct file_operations fnic_trace_debugfs_fops
= {
358 .owner
= THIS_MODULE
,
359 .open
= fnic_trace_debugfs_open
,
360 .llseek
= fnic_trace_debugfs_lseek
,
361 .read
= fnic_trace_debugfs_read
,
362 .release
= fnic_trace_debugfs_release
,
366 * fnic_trace_debugfs_init - Initialize debugfs for fnic trace logging
369 * When Debugfs is configured this routine sets up the fnic debugfs
370 * file system. If not already created, this routine will create the
371 * create file trace to log fnic trace buffer output into debugfs and
372 * it will also create file trace_enable to control enable/disable of
373 * trace logging into trace buffer.
375 int fnic_trace_debugfs_init(void)
378 if (!fnic_trace_debugfs_root
) {
380 "FNIC Debugfs root directory doesn't exist\n");
383 fnic_trace_enable
= debugfs_create_file("tracing_enable",
384 S_IFREG
|S_IRUGO
|S_IWUSR
,
385 fnic_trace_debugfs_root
,
386 &(fc_trc_flag
->fnic_trace
),
387 &fnic_trace_ctrl_fops
);
389 if (!fnic_trace_enable
) {
391 "Cannot create trace_enable file under debugfs\n");
395 fnic_trace_debugfs_file
= debugfs_create_file("trace",
396 S_IFREG
|S_IRUGO
|S_IWUSR
,
397 fnic_trace_debugfs_root
,
398 &(fc_trc_flag
->fnic_trace
),
399 &fnic_trace_debugfs_fops
);
401 if (!fnic_trace_debugfs_file
) {
403 "Cannot create trace file under debugfs\n");
411 * fnic_trace_debugfs_terminate - Tear down debugfs infrastructure
414 * When Debugfs is configured this routine removes debugfs file system
415 * elements that are specific to fnic trace logging.
417 void fnic_trace_debugfs_terminate(void)
419 debugfs_remove(fnic_trace_debugfs_file
);
420 fnic_trace_debugfs_file
= NULL
;
422 debugfs_remove(fnic_trace_enable
);
423 fnic_trace_enable
= NULL
;
427 * fnic_fc_trace_debugfs_init -
428 * Initialize debugfs for fnic control frame trace logging
431 * When Debugfs is configured this routine sets up the fnic_fc debugfs
432 * file system. If not already created, this routine will create the
433 * create file trace to log fnic fc trace buffer output into debugfs and
434 * it will also create file fc_trace_enable to control enable/disable of
435 * trace logging into trace buffer.
438 int fnic_fc_trace_debugfs_init(void)
442 if (!fnic_trace_debugfs_root
) {
443 pr_err("fnic:Debugfs root directory doesn't exist\n");
447 fnic_fc_trace_enable
= debugfs_create_file("fc_trace_enable",
448 S_IFREG
|S_IRUGO
|S_IWUSR
,
449 fnic_trace_debugfs_root
,
450 &(fc_trc_flag
->fc_trace
),
451 &fnic_trace_ctrl_fops
);
453 if (!fnic_fc_trace_enable
) {
454 pr_err("fnic: Failed create fc_trace_enable file\n");
458 fnic_fc_trace_clear
= debugfs_create_file("fc_trace_clear",
459 S_IFREG
|S_IRUGO
|S_IWUSR
,
460 fnic_trace_debugfs_root
,
461 &(fc_trc_flag
->fc_clear
),
462 &fnic_trace_ctrl_fops
);
464 if (!fnic_fc_trace_clear
) {
465 pr_err("fnic: Failed to create fc_trace_enable file\n");
469 fnic_fc_rdata_trace_debugfs_file
=
470 debugfs_create_file("fc_trace_rdata",
471 S_IFREG
|S_IRUGO
|S_IWUSR
,
472 fnic_trace_debugfs_root
,
473 &(fc_trc_flag
->fc_normal_file
),
474 &fnic_trace_debugfs_fops
);
476 if (!fnic_fc_rdata_trace_debugfs_file
) {
477 pr_err("fnic: Failed create fc_rdata_trace file\n");
481 fnic_fc_trace_debugfs_file
=
482 debugfs_create_file("fc_trace",
483 S_IFREG
|S_IRUGO
|S_IWUSR
,
484 fnic_trace_debugfs_root
,
485 &(fc_trc_flag
->fc_row_file
),
486 &fnic_trace_debugfs_fops
);
488 if (!fnic_fc_trace_debugfs_file
) {
489 pr_err("fnic: Failed to create fc_trace file\n");
497 * fnic_fc_trace_debugfs_terminate - Tear down debugfs infrastructure
500 * When Debugfs is configured this routine removes debugfs file system
501 * elements that are specific to fnic_fc trace logging.
504 void fnic_fc_trace_debugfs_terminate(void)
506 debugfs_remove(fnic_fc_trace_debugfs_file
);
507 fnic_fc_trace_debugfs_file
= NULL
;
509 debugfs_remove(fnic_fc_rdata_trace_debugfs_file
);
510 fnic_fc_rdata_trace_debugfs_file
= NULL
;
512 debugfs_remove(fnic_fc_trace_enable
);
513 fnic_fc_trace_enable
= NULL
;
515 debugfs_remove(fnic_fc_trace_clear
);
516 fnic_fc_trace_clear
= NULL
;
520 * fnic_reset_stats_open - Open the reset_stats file
521 * @inode: The inode pointer.
522 * @file: The file pointer to attach the stats reset flag.
525 * This routine opens a debugsfs file reset_stats and stores i_private data
526 * to debug structure to retrieve later for while performing other
530 * This function returns zero if successful.
532 static int fnic_reset_stats_open(struct inode
*inode
, struct file
*file
)
534 struct stats_debug_info
*debug
;
536 debug
= kzalloc(sizeof(struct stats_debug_info
), GFP_KERNEL
);
540 debug
->i_private
= inode
->i_private
;
542 file
->private_data
= debug
;
548 * fnic_reset_stats_read - Read a reset_stats debugfs file
549 * @filp: The file pointer to read from.
550 * @ubuf: The buffer to copy the data to.
551 * @cnt: The number of bytes to read.
552 * @ppos: The position in the file to start reading from.
555 * This routine reads value of variable reset_stats
556 * and stores into local @buf. It will start reading file at @ppos and
557 * copy up to @cnt of data to @ubuf from @buf.
560 * This function returns the amount of data that was read.
562 static ssize_t
fnic_reset_stats_read(struct file
*file
,
564 size_t cnt
, loff_t
*ppos
)
566 struct stats_debug_info
*debug
= file
->private_data
;
567 struct fnic
*fnic
= (struct fnic
*)debug
->i_private
;
571 len
= sprintf(buf
, "%u\n", fnic
->reset_stats
);
573 return simple_read_from_buffer(ubuf
, cnt
, ppos
, buf
, len
);
577 * fnic_reset_stats_write - Write to reset_stats debugfs file
578 * @filp: The file pointer to write from.
579 * @ubuf: The buffer to copy the data from.
580 * @cnt: The number of bytes to write.
581 * @ppos: The position in the file to start writing to.
584 * This routine writes data from user buffer @ubuf to buffer @buf and
585 * resets cumulative stats of fnic.
588 * This function returns the amount of data that was written.
590 static ssize_t
fnic_reset_stats_write(struct file
*file
,
591 const char __user
*ubuf
,
592 size_t cnt
, loff_t
*ppos
)
594 struct stats_debug_info
*debug
= file
->private_data
;
595 struct fnic
*fnic
= (struct fnic
*)debug
->i_private
;
596 struct fnic_stats
*stats
= &fnic
->fnic_stats
;
597 u64
*io_stats_p
= (u64
*)&stats
->io_stats
;
598 u64
*fw_stats_p
= (u64
*)&stats
->fw_stats
;
603 if (cnt
>= sizeof(buf
))
606 if (copy_from_user(&buf
, ubuf
, cnt
))
611 ret
= kstrtoul(buf
, 10, &val
);
615 fnic
->reset_stats
= val
;
617 if (fnic
->reset_stats
) {
618 /* Skip variable is used to avoid descrepancies to Num IOs
619 * and IO Completions stats. Skip incrementing No IO Compls
620 * for pending active IOs after reset stats
622 atomic64_set(&fnic
->io_cmpl_skip
,
623 atomic64_read(&stats
->io_stats
.active_ios
));
624 memset(&stats
->abts_stats
, 0, sizeof(struct abort_stats
));
625 memset(&stats
->term_stats
, 0,
626 sizeof(struct terminate_stats
));
627 memset(&stats
->reset_stats
, 0, sizeof(struct reset_stats
));
628 memset(&stats
->misc_stats
, 0, sizeof(struct misc_stats
));
629 memset(&stats
->vlan_stats
, 0, sizeof(struct vlan_stats
));
630 memset(io_stats_p
+1, 0,
631 sizeof(struct io_path_stats
) - sizeof(u64
));
632 memset(fw_stats_p
+1, 0,
633 sizeof(struct fw_stats
) - sizeof(u64
));
641 * fnic_reset_stats_release - Release the buffer used to store
643 * @inode: The inode pointer
644 * @file: The file pointer that contains the buffer to release
647 * This routine frees the buffer that was allocated when the debugfs
651 * This function returns zero.
653 static int fnic_reset_stats_release(struct inode
*inode
,
656 struct stats_debug_info
*debug
= file
->private_data
;
662 * fnic_stats_debugfs_open - Open the stats file for specific host
663 * and get fnic stats.
664 * @inode: The inode pointer.
665 * @file: The file pointer to attach the specific host statistics.
668 * This routine opens a debugsfs file stats of specific host and print
672 * This function returns zero if successful.
674 static int fnic_stats_debugfs_open(struct inode
*inode
,
677 struct fnic
*fnic
= inode
->i_private
;
678 struct fnic_stats
*fnic_stats
= &fnic
->fnic_stats
;
679 struct stats_debug_info
*debug
;
680 int buf_size
= 2 * PAGE_SIZE
;
682 debug
= kzalloc(sizeof(struct stats_debug_info
), GFP_KERNEL
);
686 debug
->debug_buffer
= vmalloc(buf_size
);
687 if (!debug
->debug_buffer
) {
692 debug
->buf_size
= buf_size
;
693 memset((void *)debug
->debug_buffer
, 0, buf_size
);
694 debug
->buffer_len
= fnic_get_stats_data(debug
, fnic_stats
);
696 file
->private_data
= debug
;
702 * fnic_stats_debugfs_read - Read a debugfs file
703 * @file: The file pointer to read from.
704 * @ubuf: The buffer to copy the data to.
705 * @nbytes: The number of bytes to read.
706 * @pos: The position in the file to start reading from.
709 * This routine reads data from the buffer indicated in the private_data
710 * field of @file. It will start reading at @pos and copy up to @nbytes of
714 * This function returns the amount of data that was read (this could be
715 * less than @nbytes if the end of the file was reached).
717 static ssize_t
fnic_stats_debugfs_read(struct file
*file
,
722 struct stats_debug_info
*debug
= file
->private_data
;
724 rc
= simple_read_from_buffer(ubuf
, nbytes
, pos
,
731 * fnic_stats_stats_release - Release the buffer used to store
733 * @inode: The inode pointer
734 * @file: The file pointer that contains the buffer to release
737 * This routine frees the buffer that was allocated when the debugfs
741 * This function returns zero.
743 static int fnic_stats_debugfs_release(struct inode
*inode
,
746 struct stats_debug_info
*debug
= file
->private_data
;
747 vfree(debug
->debug_buffer
);
752 static const struct file_operations fnic_stats_debugfs_fops
= {
753 .owner
= THIS_MODULE
,
754 .open
= fnic_stats_debugfs_open
,
755 .read
= fnic_stats_debugfs_read
,
756 .release
= fnic_stats_debugfs_release
,
759 static const struct file_operations fnic_reset_debugfs_fops
= {
760 .owner
= THIS_MODULE
,
761 .open
= fnic_reset_stats_open
,
762 .read
= fnic_reset_stats_read
,
763 .write
= fnic_reset_stats_write
,
764 .release
= fnic_reset_stats_release
,
768 * fnic_stats_init - Initialize stats struct and create stats file per fnic
771 * When Debugfs is configured this routine sets up the stats file per fnic
772 * It will create file stats and reset_stats under statistics/host# directory
773 * to log per fnic stats.
775 int fnic_stats_debugfs_init(struct fnic
*fnic
)
780 snprintf(name
, sizeof(name
), "host%d", fnic
->lport
->host
->host_no
);
782 if (!fnic_stats_debugfs_root
) {
783 printk(KERN_DEBUG
"fnic_stats root doesn't exist\n");
786 fnic
->fnic_stats_debugfs_host
= debugfs_create_dir(name
,
787 fnic_stats_debugfs_root
);
788 if (!fnic
->fnic_stats_debugfs_host
) {
789 printk(KERN_DEBUG
"Cannot create host directory\n");
793 fnic
->fnic_stats_debugfs_file
= debugfs_create_file("stats",
794 S_IFREG
|S_IRUGO
|S_IWUSR
,
795 fnic
->fnic_stats_debugfs_host
,
797 &fnic_stats_debugfs_fops
);
798 if (!fnic
->fnic_stats_debugfs_file
) {
799 printk(KERN_DEBUG
"Cannot create host stats file\n");
803 fnic
->fnic_reset_debugfs_file
= debugfs_create_file("reset_stats",
804 S_IFREG
|S_IRUGO
|S_IWUSR
,
805 fnic
->fnic_stats_debugfs_host
,
807 &fnic_reset_debugfs_fops
);
808 if (!fnic
->fnic_reset_debugfs_file
) {
809 printk(KERN_DEBUG
"Cannot create host stats file\n");
817 * fnic_stats_debugfs_remove - Tear down debugfs infrastructure of stats
820 * When Debugfs is configured this routine removes debugfs file system
821 * elements that are specific to fnic stats.
823 void fnic_stats_debugfs_remove(struct fnic
*fnic
)
828 debugfs_remove(fnic
->fnic_stats_debugfs_file
);
829 fnic
->fnic_stats_debugfs_file
= NULL
;
831 debugfs_remove(fnic
->fnic_reset_debugfs_file
);
832 fnic
->fnic_reset_debugfs_file
= NULL
;
834 debugfs_remove(fnic
->fnic_stats_debugfs_host
);
835 fnic
->fnic_stats_debugfs_host
= NULL
;