1// SPDX-License-Identifier: GPL-2.0
2/*
3 *  linux/fs/befs/debug.c
4 *
5 * Copyright (C) 2001 Will Dyson (will_dyson at pobox.com)
6 *
7 * With help from the ntfs-tng driver by Anton Altparmakov
8 *
9 * Copyright (C) 1999  Makoto Kato (m_kato@ga2.so-net.ne.jp)
10 *
11 * debug functions
12 */
13
14#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15#ifdef __KERNEL__
16
17#include <linux/stdarg.h>
18#include <linux/string.h>
19#include <linux/spinlock.h>
20#include <linux/kernel.h>
21#include <linux/fs.h>
22#include <linux/slab.h>
23
24#endif				/* __KERNEL__ */
25
26#include "befs.h"
27
28void
29befs_error(const struct super_block *sb, const char *fmt, ...)
30{
31	struct va_format vaf;
32	va_list args;
33
34	va_start(args, fmt);
35	vaf.fmt = fmt;
36	vaf.va = &args;
37	pr_err("(%s): %pV\n", sb->s_id, &vaf);
38	va_end(args);
39}
40
41void
42befs_warning(const struct super_block *sb, const char *fmt, ...)
43{
44	struct va_format vaf;
45	va_list args;
46
47	va_start(args, fmt);
48	vaf.fmt = fmt;
49	vaf.va = &args;
50	pr_warn("(%s): %pV\n", sb->s_id, &vaf);
51	va_end(args);
52}
53
54void
55befs_debug(const struct super_block *sb, const char *fmt, ...)
56{
57#ifdef CONFIG_BEFS_DEBUG
58
59	struct va_format vaf;
60	va_list args;
61
62	va_start(args, fmt);
63	vaf.fmt = fmt;
64	vaf.va = &args;
65	pr_debug("(%s): %pV\n", sb->s_id, &vaf);
66	va_end(args);
67
68#endif				//CONFIG_BEFS_DEBUG
69}
70
71void
72befs_dump_inode(const struct super_block *sb, befs_inode *inode)
73{
74#ifdef CONFIG_BEFS_DEBUG
75
76	befs_block_run tmp_run;
77
78	befs_debug(sb, "befs_inode information");
79
80	befs_debug(sb, "  magic1 %08x", fs32_to_cpu(sb, inode->magic1));
81
82	tmp_run = fsrun_to_cpu(sb, inode->inode_num);
83	befs_debug(sb, "  inode_num %u, %hu, %hu",
84		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
85
86	befs_debug(sb, "  uid %u", fs32_to_cpu(sb, inode->uid));
87	befs_debug(sb, "  gid %u", fs32_to_cpu(sb, inode->gid));
88	befs_debug(sb, "  mode %08x", fs32_to_cpu(sb, inode->mode));
89	befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, inode->flags));
90	befs_debug(sb, "  create_time %llu",
91		   fs64_to_cpu(sb, inode->create_time));
92	befs_debug(sb, "  last_modified_time %llu",
93		   fs64_to_cpu(sb, inode->last_modified_time));
94
95	tmp_run = fsrun_to_cpu(sb, inode->parent);
96	befs_debug(sb, "  parent [%u, %hu, %hu]",
97		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
98
99	tmp_run = fsrun_to_cpu(sb, inode->attributes);
100	befs_debug(sb, "  attributes [%u, %hu, %hu]",
101		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
102
103	befs_debug(sb, "  type %08x", fs32_to_cpu(sb, inode->type));
104	befs_debug(sb, "  inode_size %u", fs32_to_cpu(sb, inode->inode_size));
105
106	if (S_ISLNK(fs32_to_cpu(sb, inode->mode))) {
107		befs_debug(sb, "  Symbolic link [%s]", inode->data.symlink);
108	} else {
109		int i;
110
111		for (i = 0; i < BEFS_NUM_DIRECT_BLOCKS; i++) {
112			tmp_run =
113			    fsrun_to_cpu(sb, inode->data.datastream.direct[i]);
114			befs_debug(sb, "  direct %d [%u, %hu, %hu]", i,
115				   tmp_run.allocation_group, tmp_run.start,
116				   tmp_run.len);
117		}
118		befs_debug(sb, "  max_direct_range %llu",
119			   fs64_to_cpu(sb,
120				       inode->data.datastream.
121				       max_direct_range));
122
123		tmp_run = fsrun_to_cpu(sb, inode->data.datastream.indirect);
124		befs_debug(sb, "  indirect [%u, %hu, %hu]",
125			   tmp_run.allocation_group,
126			   tmp_run.start, tmp_run.len);
127
128		befs_debug(sb, "  max_indirect_range %llu",
129			   fs64_to_cpu(sb,
130				       inode->data.datastream.
131				       max_indirect_range));
132
133		tmp_run =
134		    fsrun_to_cpu(sb, inode->data.datastream.double_indirect);
135		befs_debug(sb, "  double indirect [%u, %hu, %hu]",
136			   tmp_run.allocation_group, tmp_run.start,
137			   tmp_run.len);
138
139		befs_debug(sb, "  max_double_indirect_range %llu",
140			   fs64_to_cpu(sb,
141				       inode->data.datastream.
142				       max_double_indirect_range));
143
144		befs_debug(sb, "  size %llu",
145			   fs64_to_cpu(sb, inode->data.datastream.size));
146	}
147
148#endif				//CONFIG_BEFS_DEBUG
149}
150
151/*
152 * Display super block structure for debug.
153 */
154
155void
156befs_dump_super_block(const struct super_block *sb, befs_super_block *sup)
157{
158#ifdef CONFIG_BEFS_DEBUG
159
160	befs_block_run tmp_run;
161
162	befs_debug(sb, "befs_super_block information");
163
164	befs_debug(sb, "  name %s", sup->name);
165	befs_debug(sb, "  magic1 %08x", fs32_to_cpu(sb, sup->magic1));
166	befs_debug(sb, "  fs_byte_order %08x",
167		   fs32_to_cpu(sb, sup->fs_byte_order));
168
169	befs_debug(sb, "  block_size %u", fs32_to_cpu(sb, sup->block_size));
170	befs_debug(sb, "  block_shift %u", fs32_to_cpu(sb, sup->block_shift));
171
172	befs_debug(sb, "  num_blocks %llu", fs64_to_cpu(sb, sup->num_blocks));
173	befs_debug(sb, "  used_blocks %llu", fs64_to_cpu(sb, sup->used_blocks));
174	befs_debug(sb, "  inode_size %u", fs32_to_cpu(sb, sup->inode_size));
175
176	befs_debug(sb, "  magic2 %08x", fs32_to_cpu(sb, sup->magic2));
177	befs_debug(sb, "  blocks_per_ag %u",
178		   fs32_to_cpu(sb, sup->blocks_per_ag));
179	befs_debug(sb, "  ag_shift %u", fs32_to_cpu(sb, sup->ag_shift));
180	befs_debug(sb, "  num_ags %u", fs32_to_cpu(sb, sup->num_ags));
181
182	befs_debug(sb, "  flags %08x", fs32_to_cpu(sb, sup->flags));
183
184	tmp_run = fsrun_to_cpu(sb, sup->log_blocks);
185	befs_debug(sb, "  log_blocks %u, %hu, %hu",
186		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
187
188	befs_debug(sb, "  log_start %lld", fs64_to_cpu(sb, sup->log_start));
189	befs_debug(sb, "  log_end %lld", fs64_to_cpu(sb, sup->log_end));
190
191	befs_debug(sb, "  magic3 %08x", fs32_to_cpu(sb, sup->magic3));
192
193	tmp_run = fsrun_to_cpu(sb, sup->root_dir);
194	befs_debug(sb, "  root_dir %u, %hu, %hu",
195		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
196
197	tmp_run = fsrun_to_cpu(sb, sup->indices);
198	befs_debug(sb, "  indices %u, %hu, %hu",
199		   tmp_run.allocation_group, tmp_run.start, tmp_run.len);
200
201#endif				//CONFIG_BEFS_DEBUG
202}
203
204#if 0
205/* unused */
206void
207befs_dump_small_data(const struct super_block *sb, befs_small_data *sd)
208{
209}
210
211/* unused */
212void
213befs_dump_run(const struct super_block *sb, befs_disk_block_run run)
214{
215#ifdef CONFIG_BEFS_DEBUG
216
217	befs_block_run n = fsrun_to_cpu(sb, run);
218
219	befs_debug(sb, "[%u, %hu, %hu]", n.allocation_group, n.start, n.len);
220
221#endif				//CONFIG_BEFS_DEBUG
222}
223#endif  /*  0  */
224
225void
226befs_dump_index_entry(const struct super_block *sb,
227		      befs_disk_btree_super *super)
228{
229#ifdef CONFIG_BEFS_DEBUG
230
231	befs_debug(sb, "Btree super structure");
232	befs_debug(sb, "  magic %08x", fs32_to_cpu(sb, super->magic));
233	befs_debug(sb, "  node_size %u", fs32_to_cpu(sb, super->node_size));
234	befs_debug(sb, "  max_depth %08x", fs32_to_cpu(sb, super->max_depth));
235
236	befs_debug(sb, "  data_type %08x", fs32_to_cpu(sb, super->data_type));
237	befs_debug(sb, "  root_node_pointer %016LX",
238		   fs64_to_cpu(sb, super->root_node_ptr));
239	befs_debug(sb, "  free_node_pointer %016LX",
240		   fs64_to_cpu(sb, super->free_node_ptr));
241	befs_debug(sb, "  maximum size %016LX",
242		   fs64_to_cpu(sb, super->max_size));
243
244#endif				//CONFIG_BEFS_DEBUG
245}
246
247void
248befs_dump_index_node(const struct super_block *sb, befs_btree_nodehead *node)
249{
250#ifdef CONFIG_BEFS_DEBUG
251
252	befs_debug(sb, "Btree node structure");
253	befs_debug(sb, "  left %016LX", fs64_to_cpu(sb, node->left));
254	befs_debug(sb, "  right %016LX", fs64_to_cpu(sb, node->right));
255	befs_debug(sb, "  overflow %016LX", fs64_to_cpu(sb, node->overflow));
256	befs_debug(sb, "  all_key_count %hu",
257		   fs16_to_cpu(sb, node->all_key_count));
258	befs_debug(sb, "  all_key_length %hu",
259		   fs16_to_cpu(sb, node->all_key_length));
260
261#endif				//CONFIG_BEFS_DEBUG
262}
263