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2024-01-03 2f7c68cb55ecb7331f2381deb497c27155f32faf 
 kernel/drivers/misc/genwqe/card_debugfs.c
....@@ -1,4 +1,5 @@
1
-/**
1
+// SPDX-License-Identifier: GPL-2.0-only
2
+/*
23  * IBM Accelerator Family 'GenWQE'
34  *
45  * (C) Copyright IBM Corp. 2013
....@@ -7,15 +8,6 @@
78  * Author: Joerg-Stephan Vogt <jsvogt@de.ibm.com>
89  * Author: Michael Jung <mijung@gmx.net>
910  * Author: Michael Ruettger <michael@ibmra.de>
10
- *
11
- * This program is free software; you can redistribute it and/or modify
12
- * it under the terms of the GNU General Public License (version 2 only)
13
- * as published by the Free Software Foundation.
14
- *
15
- * This program is distributed in the hope that it will be useful,
16
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
17
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18
- * GNU General Public License for more details.
1911  */
2012 
2113 /*
....@@ -32,19 +24,6 @@
3224 
3325 #include "card_base.h"
3426 #include "card_ddcb.h"
35
-
36
-#define GENWQE_DEBUGFS_RO(_name, _showfn)				\
37
-	static int genwqe_debugfs_##_name##_open(struct inode *inode,	\
38
-						 struct file *file)	\
39
-	{								\
40
-		return single_open(file, _showfn, inode->i_private);	\
41
-	}								\
42
-	static const struct file_operations genwqe_##_name##_fops = {	\
43
-		.open = genwqe_debugfs_##_name##_open,			\
44
-		.read = seq_read,					\
45
-		.llseek = seq_lseek,					\
46
-		.release = single_release,				\
47
-	}
4827 
4928 static void dbg_uidn_show(struct seq_file *s, struct genwqe_reg *regs,
5029 			  int entries)
....@@ -87,26 +66,26 @@
8766 	return 0;
8867 }
8968 
90
-static int genwqe_curr_dbg_uid0_show(struct seq_file *s, void *unused)
69
+static int curr_dbg_uid0_show(struct seq_file *s, void *unused)
9170 {
9271 	return curr_dbg_uidn_show(s, unused, 0);
9372 }
9473 
95
-GENWQE_DEBUGFS_RO(curr_dbg_uid0, genwqe_curr_dbg_uid0_show);
74
+DEFINE_SHOW_ATTRIBUTE(curr_dbg_uid0);
9675 
97
-static int genwqe_curr_dbg_uid1_show(struct seq_file *s, void *unused)
76
+static int curr_dbg_uid1_show(struct seq_file *s, void *unused)
9877 {
9978 	return curr_dbg_uidn_show(s, unused, 1);
10079 }
10180 
102
-GENWQE_DEBUGFS_RO(curr_dbg_uid1, genwqe_curr_dbg_uid1_show);
81
+DEFINE_SHOW_ATTRIBUTE(curr_dbg_uid1);
10382 
104
-static int genwqe_curr_dbg_uid2_show(struct seq_file *s, void *unused)
83
+static int curr_dbg_uid2_show(struct seq_file *s, void *unused)
10584 {
10685 	return curr_dbg_uidn_show(s, unused, 2);
10786 }
10887 
109
-GENWQE_DEBUGFS_RO(curr_dbg_uid2, genwqe_curr_dbg_uid2_show);
88
+DEFINE_SHOW_ATTRIBUTE(curr_dbg_uid2);
11089 
11190 static int prev_dbg_uidn_show(struct seq_file *s, void *unused, int uid)
11291 {
....@@ -116,28 +95,28 @@
11695 	return 0;
11796 }
11897 
119
-static int genwqe_prev_dbg_uid0_show(struct seq_file *s, void *unused)
98
+static int prev_dbg_uid0_show(struct seq_file *s, void *unused)
12099 {
121100 	return prev_dbg_uidn_show(s, unused, 0);
122101 }
123102 
124
-GENWQE_DEBUGFS_RO(prev_dbg_uid0, genwqe_prev_dbg_uid0_show);
103
+DEFINE_SHOW_ATTRIBUTE(prev_dbg_uid0);
125104 
126
-static int genwqe_prev_dbg_uid1_show(struct seq_file *s, void *unused)
105
+static int prev_dbg_uid1_show(struct seq_file *s, void *unused)
127106 {
128107 	return prev_dbg_uidn_show(s, unused, 1);
129108 }
130109 
131
-GENWQE_DEBUGFS_RO(prev_dbg_uid1, genwqe_prev_dbg_uid1_show);
110
+DEFINE_SHOW_ATTRIBUTE(prev_dbg_uid1);
132111 
133
-static int genwqe_prev_dbg_uid2_show(struct seq_file *s, void *unused)
112
+static int prev_dbg_uid2_show(struct seq_file *s, void *unused)
134113 {
135114 	return prev_dbg_uidn_show(s, unused, 2);
136115 }
137116 
138
-GENWQE_DEBUGFS_RO(prev_dbg_uid2, genwqe_prev_dbg_uid2_show);
117
+DEFINE_SHOW_ATTRIBUTE(prev_dbg_uid2);
139118 
140
-static int genwqe_curr_regs_show(struct seq_file *s, void *unused)
119
+static int curr_regs_show(struct seq_file *s, void *unused)
141120 {
142121 	struct genwqe_dev *cd = s->private;
143122 	unsigned int i;
....@@ -164,9 +143,9 @@
164143 	return 0;
165144 }
166145 
167
-GENWQE_DEBUGFS_RO(curr_regs, genwqe_curr_regs_show);
146
+DEFINE_SHOW_ATTRIBUTE(curr_regs);
168147 
169
-static int genwqe_prev_regs_show(struct seq_file *s, void *unused)
148
+static int prev_regs_show(struct seq_file *s, void *unused)
170149 {
171150 	struct genwqe_dev *cd = s->private;
172151 	unsigned int i;
....@@ -188,9 +167,9 @@
188167 	return 0;
189168 }
190169 
191
-GENWQE_DEBUGFS_RO(prev_regs, genwqe_prev_regs_show);
170
+DEFINE_SHOW_ATTRIBUTE(prev_regs);
192171 
193
-static int genwqe_jtimer_show(struct seq_file *s, void *unused)
172
+static int jtimer_show(struct seq_file *s, void *unused)
194173 {
195174 	struct genwqe_dev *cd = s->private;
196175 	unsigned int vf_num;
....@@ -209,9 +188,9 @@
209188 	return 0;
210189 }
211190 
212
-GENWQE_DEBUGFS_RO(jtimer, genwqe_jtimer_show);
191
+DEFINE_SHOW_ATTRIBUTE(jtimer);
213192 
214
-static int genwqe_queue_working_time_show(struct seq_file *s, void *unused)
193
+static int queue_working_time_show(struct seq_file *s, void *unused)
215194 {
216195 	struct genwqe_dev *cd = s->private;
217196 	unsigned int vf_num;
....@@ -227,9 +206,9 @@
227206 	return 0;
228207 }
229208 
230
-GENWQE_DEBUGFS_RO(queue_working_time, genwqe_queue_working_time_show);
209
+DEFINE_SHOW_ATTRIBUTE(queue_working_time);
231210 
232
-static int genwqe_ddcb_info_show(struct seq_file *s, void *unused)
211
+static int ddcb_info_show(struct seq_file *s, void *unused)
233212 {
234213 	struct genwqe_dev *cd = s->private;
235214 	unsigned int i;
....@@ -240,7 +219,7 @@
240219 	seq_puts(s, "DDCB QUEUE:\n");
241220 	seq_printf(s, "  ddcb_max:            %d\n"
242221 		   "  ddcb_daddr:          %016llx - %016llx\n"
243
-		   "  ddcb_vaddr:          %016llx\n"
222
+		   "  ddcb_vaddr:          %p\n"
244223 		   "  ddcbs_in_flight:     %u\n"
245224 		   "  ddcbs_max_in_flight: %u\n"
246225 		   "  ddcbs_completed:     %u\n"
....@@ -250,7 +229,7 @@
250229 		   queue->ddcb_max, (long long)queue->ddcb_daddr,
251230 		   (long long)queue->ddcb_daddr +
252231 		   (queue->ddcb_max * DDCB_LENGTH),
253
-		   (long long)queue->ddcb_vaddr, queue->ddcbs_in_flight,
232
+		   queue->ddcb_vaddr, queue->ddcbs_in_flight,
254233 		   queue->ddcbs_max_in_flight, queue->ddcbs_completed,
255234 		   queue->return_on_busy, queue->wait_on_busy,
256235 		   cd->irqs_processed);
....@@ -300,9 +279,9 @@
300279 	return 0;
301280 }
302281 
303
-GENWQE_DEBUGFS_RO(ddcb_info, genwqe_ddcb_info_show);
282
+DEFINE_SHOW_ATTRIBUTE(ddcb_info);
304283 
305
-static int genwqe_info_show(struct seq_file *s, void *unused)
284
+static int info_show(struct seq_file *s, void *unused)
306285 {
307286 	struct genwqe_dev *cd = s->private;
308287 	u64 app_id, slu_id, bitstream = -1;
....@@ -335,13 +314,11 @@
335314 	return 0;
336315 }
337316 
338
-GENWQE_DEBUGFS_RO(info, genwqe_info_show);
317
+DEFINE_SHOW_ATTRIBUTE(info);
339318 
340
-int genwqe_init_debugfs(struct genwqe_dev *cd)
319
+void genwqe_init_debugfs(struct genwqe_dev *cd)
341320 {
342321 	struct dentry *root;
343
-	struct dentry *file;
344
-	int ret;
345322 	char card_name[64];
346323 	char name[64];
347324 	unsigned int i;
....@@ -349,153 +326,50 @@
349326 	sprintf(card_name, "%s%d_card", GENWQE_DEVNAME, cd->card_idx);
350327 
351328 	root = debugfs_create_dir(card_name, cd->debugfs_genwqe);
352
-	if (!root) {
353
-		ret = -ENOMEM;
354
-		goto err0;
355
-	}
356329 
357330 	/* non privileged interfaces are done here */
358
-	file = debugfs_create_file("ddcb_info", S_IRUGO, root, cd,
359
-				   &genwqe_ddcb_info_fops);
360
-	if (!file) {
361
-		ret = -ENOMEM;
362
-		goto err1;
363
-	}
364
-
365
-	file = debugfs_create_file("info", S_IRUGO, root, cd,
366
-				   &genwqe_info_fops);
367
-	if (!file) {
368
-		ret = -ENOMEM;
369
-		goto err1;
370
-	}
371
-
372
-	file = debugfs_create_x64("err_inject", 0666, root, &cd->err_inject);
373
-	if (!file) {
374
-		ret = -ENOMEM;
375
-		goto err1;
376
-	}
377
-
378
-	file = debugfs_create_u32("ddcb_software_timeout", 0666, root,
379
-				  &cd->ddcb_software_timeout);
380
-	if (!file) {
381
-		ret = -ENOMEM;
382
-		goto err1;
383
-	}
384
-
385
-	file = debugfs_create_u32("kill_timeout", 0666, root,
386
-				  &cd->kill_timeout);
387
-	if (!file) {
388
-		ret = -ENOMEM;
389
-		goto err1;
390
-	}
331
+	debugfs_create_file("ddcb_info", S_IRUGO, root, cd, &ddcb_info_fops);
332
+	debugfs_create_file("info", S_IRUGO, root, cd, &info_fops);
333
+	debugfs_create_x64("err_inject", 0666, root, &cd->err_inject);
334
+	debugfs_create_u32("ddcb_software_timeout", 0666, root,
335
+			   &cd->ddcb_software_timeout);
336
+	debugfs_create_u32("kill_timeout", 0666, root, &cd->kill_timeout);
391337 
392338 	/* privileged interfaces follow here */
393339 	if (!genwqe_is_privileged(cd)) {
394340 		cd->debugfs_root = root;
395
-		return 0;
341
+		return;
396342 	}
397343 
398
-	file = debugfs_create_file("curr_regs", S_IRUGO, root, cd,
399
-				   &genwqe_curr_regs_fops);
400
-	if (!file) {
401
-		ret = -ENOMEM;
402
-		goto err1;
403
-	}
404
-
405
-	file = debugfs_create_file("curr_dbg_uid0", S_IRUGO, root, cd,
406
-				   &genwqe_curr_dbg_uid0_fops);
407
-	if (!file) {
408
-		ret = -ENOMEM;
409
-		goto err1;
410
-	}
411
-
412
-	file = debugfs_create_file("curr_dbg_uid1", S_IRUGO, root, cd,
413
-				   &genwqe_curr_dbg_uid1_fops);
414
-	if (!file) {
415
-		ret = -ENOMEM;
416
-		goto err1;
417
-	}
418
-
419
-	file = debugfs_create_file("curr_dbg_uid2", S_IRUGO, root, cd,
420
-				   &genwqe_curr_dbg_uid2_fops);
421
-	if (!file) {
422
-		ret = -ENOMEM;
423
-		goto err1;
424
-	}
425
-
426
-	file = debugfs_create_file("prev_regs", S_IRUGO, root, cd,
427
-				   &genwqe_prev_regs_fops);
428
-	if (!file) {
429
-		ret = -ENOMEM;
430
-		goto err1;
431
-	}
432
-
433
-	file = debugfs_create_file("prev_dbg_uid0", S_IRUGO, root, cd,
434
-				   &genwqe_prev_dbg_uid0_fops);
435
-	if (!file) {
436
-		ret = -ENOMEM;
437
-		goto err1;
438
-	}
439
-
440
-	file = debugfs_create_file("prev_dbg_uid1", S_IRUGO, root, cd,
441
-				   &genwqe_prev_dbg_uid1_fops);
442
-	if (!file) {
443
-		ret = -ENOMEM;
444
-		goto err1;
445
-	}
446
-
447
-	file = debugfs_create_file("prev_dbg_uid2", S_IRUGO, root, cd,
448
-				   &genwqe_prev_dbg_uid2_fops);
449
-	if (!file) {
450
-		ret = -ENOMEM;
451
-		goto err1;
452
-	}
344
+	debugfs_create_file("curr_regs", S_IRUGO, root, cd, &curr_regs_fops);
345
+	debugfs_create_file("curr_dbg_uid0", S_IRUGO, root, cd,
346
+			    &curr_dbg_uid0_fops);
347
+	debugfs_create_file("curr_dbg_uid1", S_IRUGO, root, cd,
348
+			    &curr_dbg_uid1_fops);
349
+	debugfs_create_file("curr_dbg_uid2", S_IRUGO, root, cd,
350
+			    &curr_dbg_uid2_fops);
351
+	debugfs_create_file("prev_regs", S_IRUGO, root, cd, &prev_regs_fops);
352
+	debugfs_create_file("prev_dbg_uid0", S_IRUGO, root, cd,
353
+			    &prev_dbg_uid0_fops);
354
+	debugfs_create_file("prev_dbg_uid1", S_IRUGO, root, cd,
355
+			    &prev_dbg_uid1_fops);
356
+	debugfs_create_file("prev_dbg_uid2", S_IRUGO, root, cd,
357
+			    &prev_dbg_uid2_fops);
453358 
454359 	for (i = 0; i <  GENWQE_MAX_VFS; i++) {
455360 		sprintf(name, "vf%u_jobtimeout_msec", i);
456
-
457
-		file = debugfs_create_u32(name, 0666, root,
458
-					  &cd->vf_jobtimeout_msec[i]);
459
-		if (!file) {
460
-			ret = -ENOMEM;
461
-			goto err1;
462
-		}
361
+		debugfs_create_u32(name, 0666, root,
362
+				   &cd->vf_jobtimeout_msec[i]);
463363 	}
464364 
465
-	file = debugfs_create_file("jobtimer", S_IRUGO, root, cd,
466
-				   &genwqe_jtimer_fops);
467
-	if (!file) {
468
-		ret = -ENOMEM;
469
-		goto err1;
470
-	}
471
-
472
-	file = debugfs_create_file("queue_working_time", S_IRUGO, root, cd,
473
-				   &genwqe_queue_working_time_fops);
474
-	if (!file) {
475
-		ret = -ENOMEM;
476
-		goto err1;
477
-	}
478
-
479
-	file = debugfs_create_u32("skip_recovery", 0666, root,
480
-				  &cd->skip_recovery);
481
-	if (!file) {
482
-		ret = -ENOMEM;
483
-		goto err1;
484
-	}
485
-
486
-	file = debugfs_create_u32("use_platform_recovery", 0666, root,
487
-				  &cd->use_platform_recovery);
488
-	if (!file) {
489
-		ret = -ENOMEM;
490
-		goto err1;
491
-	}
365
+	debugfs_create_file("jobtimer", S_IRUGO, root, cd, &jtimer_fops);
366
+	debugfs_create_file("queue_working_time", S_IRUGO, root, cd,
367
+			    &queue_working_time_fops);
368
+	debugfs_create_u32("skip_recovery", 0666, root, &cd->skip_recovery);
369
+	debugfs_create_u32("use_platform_recovery", 0666, root,
370
+			   &cd->use_platform_recovery);
492371 
493372 	cd->debugfs_root = root;
494
-	return 0;
495
-err1:
496
-	debugfs_remove_recursive(root);
497
-err0:
498
-	return ret;
499373 }
500374 
501375 void genqwe_exit_debugfs(struct genwqe_dev *cd)