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
28 void
29 befs_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
41 void
42 befs_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
54 void
55 befs_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
71 void
72 befs_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
155 void
156 befs_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 */
206 void
207 befs_dump_small_data(const struct super_block *sb, befs_small_data *sd)
208 {
209 }
210
211 /* unused */
212 void
213 befs_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
225 void
226 befs_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
247 void
248 befs_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
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