xref: /openbmc/linux/fs/befs/debug.c (revision 35267cea)
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 <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