Commit | Line | Data |
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1917a693 | 1 | #include <linux/kernel.h> |
f7ab093f | 2 | #include <linux/types.h> |
81b784b1 | 3 | #include <linux/spinlock_types.h> |
f7ab093f | 4 | #include <linux/slab.h> |
2c590d5f | 5 | #include <linux/ioctl.h> |
f7ab093f MM |
6 | |
7 | extern struct client_debug_mask *cdm_array; | |
8 | extern char *debug_help_string; | |
9 | extern int help_string_initialized; | |
10 | extern struct dentry *debug_dir; | |
11 | extern struct dentry *help_file_dentry; | |
12 | extern struct dentry *client_debug_dentry; | |
13 | extern const struct file_operations debug_help_fops; | |
14 | extern int client_all_index; | |
15 | extern int client_verbose_index; | |
16 | extern int cdm_element_count; | |
17 | #define DEBUG_HELP_STRING_SIZE 4096 | |
18 | #define HELP_STRING_UNINITIALIZED \ | |
19 | "Client Debug Keywords are unknown until the first time\n" \ | |
20 | "the client is started after boot.\n" | |
21 | #define ORANGEFS_KMOD_DEBUG_HELP_FILE "debug-help" | |
22 | #define ORANGEFS_KMOD_DEBUG_FILE "kernel-debug" | |
23 | #define ORANGEFS_CLIENT_DEBUG_FILE "client-debug" | |
8bb8aefd YL |
24 | #define ORANGEFS_VERBOSE "verbose" |
25 | #define ORANGEFS_ALL "all" | |
f7ab093f MM |
26 | |
27 | /* pvfs2-config.h ***********************************************************/ | |
8bb8aefd YL |
28 | #define ORANGEFS_VERSION_MAJOR 2 |
29 | #define ORANGEFS_VERSION_MINOR 9 | |
30 | #define ORANGEFS_VERSION_SUB 0 | |
f7ab093f MM |
31 | |
32 | /* khandle stuff ***********************************************************/ | |
33 | ||
34 | /* | |
35 | * The 2.9 core will put 64 bit handles in here like this: | |
36 | * 1234 0000 0000 5678 | |
37 | * The 3.0 and beyond cores will put 128 bit handles in here like this: | |
38 | * 1234 5678 90AB CDEF | |
39 | * The kernel module will always use the first four bytes and | |
40 | * the last four bytes as an inum. | |
41 | */ | |
8bb8aefd | 42 | struct orangefs_khandle { |
f7ab093f MM |
43 | unsigned char u[16]; |
44 | } __aligned(8); | |
45 | ||
46 | /* | |
47 | * kernel version of an object ref. | |
48 | */ | |
8bb8aefd YL |
49 | struct orangefs_object_kref { |
50 | struct orangefs_khandle khandle; | |
f7ab093f MM |
51 | __s32 fs_id; |
52 | __s32 __pad1; | |
53 | }; | |
54 | ||
55 | /* | |
56 | * compare 2 khandles assumes little endian thus from large address to | |
57 | * small address | |
58 | */ | |
8bb8aefd YL |
59 | static inline int ORANGEFS_khandle_cmp(const struct orangefs_khandle *kh1, |
60 | const struct orangefs_khandle *kh2) | |
f7ab093f MM |
61 | { |
62 | int i; | |
63 | ||
64 | for (i = 15; i >= 0; i--) { | |
65 | if (kh1->u[i] > kh2->u[i]) | |
66 | return 1; | |
67 | if (kh1->u[i] < kh2->u[i]) | |
68 | return -1; | |
69 | } | |
70 | ||
71 | return 0; | |
72 | } | |
73 | ||
8bb8aefd | 74 | static inline void ORANGEFS_khandle_to(const struct orangefs_khandle *kh, |
f7ab093f MM |
75 | void *p, int size) |
76 | { | |
f7ab093f | 77 | |
50e01586 | 78 | memcpy(p, kh->u, 16); |
a9bb3ba8 | 79 | memset(p + 16, 0, size - 16); |
f7ab093f | 80 | |
f7ab093f MM |
81 | } |
82 | ||
8bb8aefd | 83 | static inline void ORANGEFS_khandle_from(struct orangefs_khandle *kh, |
f7ab093f MM |
84 | void *p, int size) |
85 | { | |
f7ab093f | 86 | memset(kh, 0, 16); |
50e01586 | 87 | memcpy(kh->u, p, 16); |
f7ab093f | 88 | |
f7ab093f MM |
89 | } |
90 | ||
91 | /* pvfs2-types.h ************************************************************/ | |
8bb8aefd YL |
92 | typedef __u32 ORANGEFS_uid; |
93 | typedef __u32 ORANGEFS_gid; | |
94 | typedef __s32 ORANGEFS_fs_id; | |
95 | typedef __u32 ORANGEFS_permissions; | |
96 | typedef __u64 ORANGEFS_time; | |
97 | typedef __s64 ORANGEFS_size; | |
98 | typedef __u64 ORANGEFS_flags; | |
99 | typedef __u64 ORANGEFS_ds_position; | |
100 | typedef __s32 ORANGEFS_error; | |
101 | typedef __s64 ORANGEFS_offset; | |
102 | ||
103 | #define ORANGEFS_SUPER_MAGIC 0x20030528 | |
f7ab093f | 104 | |
54804949 | 105 | /* |
8bb8aefd | 106 | * ORANGEFS error codes are a signed 32-bit integer. Error codes are negative, but |
54804949 MM |
107 | * the sign is stripped before decoding. |
108 | */ | |
f7ab093f | 109 | |
894ac432 | 110 | /* Bit 31 is not used since it is the sign. */ |
f7ab093f | 111 | |
54804949 | 112 | /* |
8bb8aefd YL |
113 | * Bit 30 specifies that this is a ORANGEFS error. A ORANGEFS error is either an |
114 | * encoded errno value or a ORANGEFS protocol error. | |
54804949 | 115 | */ |
8bb8aefd | 116 | #define ORANGEFS_ERROR_BIT (1 << 30) |
f7ab093f | 117 | |
54804949 | 118 | /* |
8bb8aefd | 119 | * Bit 29 specifies that this is a ORANGEFS protocol error and not an encoded |
54804949 MM |
120 | * errno value. |
121 | */ | |
8bb8aefd | 122 | #define ORANGEFS_NON_ERRNO_ERROR_BIT (1 << 29) |
f7ab093f | 123 | |
54804949 MM |
124 | /* |
125 | * Bits 9, 8, and 7 specify the error class, which encodes the section of | |
894ac432 | 126 | * server code the error originated in for logging purposes. It is not used |
54804949 MM |
127 | * in the kernel except to be masked out. |
128 | */ | |
8bb8aefd | 129 | #define ORANGEFS_ERROR_CLASS_BITS 0x380 |
894ac432 MB |
130 | |
131 | /* Bits 6 - 0 are reserved for the actual error code. */ | |
8bb8aefd | 132 | #define ORANGEFS_ERROR_NUMBER_BITS 0x7f |
894ac432 | 133 | |
575e9461 | 134 | /* Encoded errno values decoded by PINT_errno_mapping in orangefs-utils.c. */ |
894ac432 | 135 | |
8bb8aefd YL |
136 | /* Our own ORANGEFS protocol error codes. */ |
137 | #define ORANGEFS_ECANCEL (1|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
138 | #define ORANGEFS_EDEVINIT (2|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
139 | #define ORANGEFS_EDETAIL (3|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
140 | #define ORANGEFS_EHOSTNTFD (4|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
141 | #define ORANGEFS_EADDRNTFD (5|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
142 | #define ORANGEFS_ENORECVR (6|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
143 | #define ORANGEFS_ETRYAGAIN (7|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
144 | #define ORANGEFS_ENOTPVFS (8|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
145 | #define ORANGEFS_ESECURITY (9|ORANGEFS_NON_ERRNO_ERROR_BIT|ORANGEFS_ERROR_BIT) | |
f7ab093f MM |
146 | |
147 | /* permission bits */ | |
8bb8aefd YL |
148 | #define ORANGEFS_O_EXECUTE (1 << 0) |
149 | #define ORANGEFS_O_WRITE (1 << 1) | |
150 | #define ORANGEFS_O_READ (1 << 2) | |
151 | #define ORANGEFS_G_EXECUTE (1 << 3) | |
152 | #define ORANGEFS_G_WRITE (1 << 4) | |
153 | #define ORANGEFS_G_READ (1 << 5) | |
154 | #define ORANGEFS_U_EXECUTE (1 << 6) | |
155 | #define ORANGEFS_U_WRITE (1 << 7) | |
156 | #define ORANGEFS_U_READ (1 << 8) | |
157 | /* no ORANGEFS_U_VTX (sticky bit) */ | |
158 | #define ORANGEFS_G_SGID (1 << 10) | |
159 | #define ORANGEFS_U_SUID (1 << 11) | |
f7ab093f MM |
160 | |
161 | /* definition taken from stdint.h */ | |
162 | #define INT32_MAX (2147483647) | |
8bb8aefd YL |
163 | #define ORANGEFS_ITERATE_START (INT32_MAX - 1) |
164 | #define ORANGEFS_ITERATE_END (INT32_MAX - 2) | |
165 | #define ORANGEFS_ITERATE_NEXT (INT32_MAX - 3) | |
166 | #define ORANGEFS_READDIR_START ORANGEFS_ITERATE_START | |
167 | #define ORANGEFS_READDIR_END ORANGEFS_ITERATE_END | |
168 | #define ORANGEFS_IMMUTABLE_FL FS_IMMUTABLE_FL | |
169 | #define ORANGEFS_APPEND_FL FS_APPEND_FL | |
170 | #define ORANGEFS_NOATIME_FL FS_NOATIME_FL | |
171 | #define ORANGEFS_MIRROR_FL 0x01000000ULL | |
172 | #define ORANGEFS_O_EXECUTE (1 << 0) | |
173 | #define ORANGEFS_FS_ID_NULL ((__s32)0) | |
174 | #define ORANGEFS_ATTR_SYS_UID (1 << 0) | |
175 | #define ORANGEFS_ATTR_SYS_GID (1 << 1) | |
176 | #define ORANGEFS_ATTR_SYS_PERM (1 << 2) | |
177 | #define ORANGEFS_ATTR_SYS_ATIME (1 << 3) | |
178 | #define ORANGEFS_ATTR_SYS_CTIME (1 << 4) | |
179 | #define ORANGEFS_ATTR_SYS_MTIME (1 << 5) | |
180 | #define ORANGEFS_ATTR_SYS_TYPE (1 << 6) | |
181 | #define ORANGEFS_ATTR_SYS_ATIME_SET (1 << 7) | |
182 | #define ORANGEFS_ATTR_SYS_MTIME_SET (1 << 8) | |
183 | #define ORANGEFS_ATTR_SYS_SIZE (1 << 20) | |
184 | #define ORANGEFS_ATTR_SYS_LNK_TARGET (1 << 24) | |
185 | #define ORANGEFS_ATTR_SYS_DFILE_COUNT (1 << 25) | |
186 | #define ORANGEFS_ATTR_SYS_DIRENT_COUNT (1 << 26) | |
187 | #define ORANGEFS_ATTR_SYS_BLKSIZE (1 << 28) | |
188 | #define ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT (1 << 29) | |
189 | #define ORANGEFS_ATTR_SYS_COMMON_ALL \ | |
190 | (ORANGEFS_ATTR_SYS_UID | \ | |
191 | ORANGEFS_ATTR_SYS_GID | \ | |
192 | ORANGEFS_ATTR_SYS_PERM | \ | |
193 | ORANGEFS_ATTR_SYS_ATIME | \ | |
194 | ORANGEFS_ATTR_SYS_CTIME | \ | |
195 | ORANGEFS_ATTR_SYS_MTIME | \ | |
196 | ORANGEFS_ATTR_SYS_TYPE) | |
197 | ||
198 | #define ORANGEFS_ATTR_SYS_ALL_SETABLE \ | |
199 | (ORANGEFS_ATTR_SYS_COMMON_ALL-ORANGEFS_ATTR_SYS_TYPE) | |
200 | ||
201 | #define ORANGEFS_ATTR_SYS_ALL_NOHINT \ | |
202 | (ORANGEFS_ATTR_SYS_COMMON_ALL | \ | |
203 | ORANGEFS_ATTR_SYS_SIZE | \ | |
204 | ORANGEFS_ATTR_SYS_LNK_TARGET | \ | |
205 | ORANGEFS_ATTR_SYS_DFILE_COUNT | \ | |
206 | ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT | \ | |
207 | ORANGEFS_ATTR_SYS_DIRENT_COUNT | \ | |
208 | ORANGEFS_ATTR_SYS_BLKSIZE) | |
933287da MB |
209 | |
210 | #define ORANGEFS_ATTR_SYS_ALL_NOHINT_NOSIZE \ | |
211 | (ORANGEFS_ATTR_SYS_COMMON_ALL | \ | |
212 | ORANGEFS_ATTR_SYS_LNK_TARGET | \ | |
213 | ORANGEFS_ATTR_SYS_DFILE_COUNT | \ | |
214 | ORANGEFS_ATTR_SYS_MIRROR_COPIES_COUNT | \ | |
215 | ORANGEFS_ATTR_SYS_DIRENT_COUNT | \ | |
216 | ORANGEFS_ATTR_SYS_BLKSIZE) | |
217 | ||
8bb8aefd YL |
218 | #define ORANGEFS_XATTR_REPLACE 0x2 |
219 | #define ORANGEFS_XATTR_CREATE 0x1 | |
220 | #define ORANGEFS_MAX_SERVER_ADDR_LEN 256 | |
221 | #define ORANGEFS_NAME_MAX 256 | |
f7ab093f MM |
222 | /* |
223 | * max extended attribute name len as imposed by the VFS and exploited for the | |
224 | * upcall request types. | |
225 | * NOTE: Please retain them as multiples of 8 even if you wish to change them | |
226 | * This is *NECESSARY* for supporting 32 bit user-space binaries on a 64-bit | |
227 | * kernel. Due to implementation within DBPF, this really needs to be | |
8bb8aefd | 228 | * ORANGEFS_NAME_MAX, which it was the same value as, but no reason to let it |
f7ab093f MM |
229 | * break if that changes in the future. |
230 | */ | |
8bb8aefd | 231 | #define ORANGEFS_MAX_XATTR_NAMELEN ORANGEFS_NAME_MAX /* Not the same as |
f7ab093f MM |
232 | * XATTR_NAME_MAX defined |
233 | * by <linux/xattr.h> | |
234 | */ | |
8bb8aefd | 235 | #define ORANGEFS_MAX_XATTR_VALUELEN 8192 /* Not the same as XATTR_SIZE_MAX |
f7ab093f MM |
236 | * defined by <linux/xattr.h> |
237 | */ | |
8bb8aefd | 238 | #define ORANGEFS_MAX_XATTR_LISTLEN 16 /* Not the same as XATTR_LIST_MAX |
f7ab093f MM |
239 | * defined by <linux/xattr.h> |
240 | */ | |
241 | /* | |
8bb8aefd | 242 | * ORANGEFS I/O operation types, used in both system and server interfaces. |
f7ab093f | 243 | */ |
8bb8aefd YL |
244 | enum ORANGEFS_io_type { |
245 | ORANGEFS_IO_READ = 1, | |
246 | ORANGEFS_IO_WRITE = 2 | |
f7ab093f MM |
247 | }; |
248 | ||
249 | /* | |
250 | * If this enum is modified the server parameters related to the precreate pool | |
251 | * batch and low threshold sizes may need to be modified to reflect this | |
252 | * change. | |
253 | */ | |
8bb8aefd YL |
254 | enum orangefs_ds_type { |
255 | ORANGEFS_TYPE_NONE = 0, | |
256 | ORANGEFS_TYPE_METAFILE = (1 << 0), | |
257 | ORANGEFS_TYPE_DATAFILE = (1 << 1), | |
258 | ORANGEFS_TYPE_DIRECTORY = (1 << 2), | |
259 | ORANGEFS_TYPE_SYMLINK = (1 << 3), | |
260 | ORANGEFS_TYPE_DIRDATA = (1 << 4), | |
261 | ORANGEFS_TYPE_INTERNAL = (1 << 5) /* for the server's private use */ | |
f7ab093f MM |
262 | }; |
263 | ||
264 | /* | |
8bb8aefd | 265 | * ORANGEFS_certificate simply stores a buffer with the buffer size. |
f7ab093f MM |
266 | * The buffer can be converted to an OpenSSL X509 struct for use. |
267 | */ | |
8bb8aefd | 268 | struct ORANGEFS_certificate { |
f7ab093f MM |
269 | __u32 buf_size; |
270 | unsigned char *buf; | |
271 | }; | |
272 | ||
273 | /* | |
274 | * A credential identifies a user and is signed by the client/user | |
275 | * private key. | |
276 | */ | |
8bb8aefd | 277 | struct ORANGEFS_credential { |
f7ab093f MM |
278 | __u32 userid; /* user id */ |
279 | __u32 num_groups; /* length of group_array */ | |
280 | __u32 *group_array; /* groups for which the user is a member */ | |
281 | char *issuer; /* alias of the issuing server */ | |
282 | __u64 timeout; /* seconds after epoch to time out */ | |
283 | __u32 sig_size; /* length of the signature in bytes */ | |
284 | unsigned char *signature; /* digital signature */ | |
8bb8aefd | 285 | struct ORANGEFS_certificate certificate; /* user certificate buffer */ |
f7ab093f | 286 | }; |
8bb8aefd | 287 | #define extra_size_ORANGEFS_credential (ORANGEFS_REQ_LIMIT_GROUPS * \ |
f7ab093f | 288 | sizeof(__u32) + \ |
8bb8aefd YL |
289 | ORANGEFS_REQ_LIMIT_ISSUER + \ |
290 | ORANGEFS_REQ_LIMIT_SIGNATURE + \ | |
291 | extra_size_ORANGEFS_certificate) | |
f7ab093f MM |
292 | |
293 | /* This structure is used by the VFS-client interaction alone */ | |
8bb8aefd YL |
294 | struct ORANGEFS_keyval_pair { |
295 | char key[ORANGEFS_MAX_XATTR_NAMELEN]; | |
f7ab093f MM |
296 | __s32 key_sz; /* __s32 for portable, fixed-size structures */ |
297 | __s32 val_sz; | |
8bb8aefd | 298 | char val[ORANGEFS_MAX_XATTR_VALUELEN]; |
f7ab093f MM |
299 | }; |
300 | ||
301 | /* pvfs2-sysint.h ***********************************************************/ | |
302 | /* Describes attributes for a file, directory, or symlink. */ | |
8bb8aefd | 303 | struct ORANGEFS_sys_attr_s { |
f7ab093f MM |
304 | __u32 owner; |
305 | __u32 group; | |
306 | __u32 perms; | |
307 | __u64 atime; | |
308 | __u64 mtime; | |
309 | __u64 ctime; | |
310 | __s64 size; | |
311 | ||
312 | /* NOTE: caller must free if valid */ | |
313 | char *link_target; | |
314 | ||
315 | /* Changed to __s32 so that size of structure does not change */ | |
316 | __s32 dfile_count; | |
317 | ||
318 | /* Changed to __s32 so that size of structure does not change */ | |
319 | __s32 distr_dir_servers_initial; | |
320 | ||
321 | /* Changed to __s32 so that size of structure does not change */ | |
322 | __s32 distr_dir_servers_max; | |
323 | ||
324 | /* Changed to __s32 so that size of structure does not change */ | |
325 | __s32 distr_dir_split_size; | |
326 | ||
327 | __u32 mirror_copies_count; | |
328 | ||
329 | /* NOTE: caller must free if valid */ | |
330 | char *dist_name; | |
331 | ||
332 | /* NOTE: caller must free if valid */ | |
333 | char *dist_params; | |
334 | ||
335 | __s64 dirent_count; | |
8bb8aefd | 336 | enum orangefs_ds_type objtype; |
f7ab093f MM |
337 | __u64 flags; |
338 | __u32 mask; | |
339 | __s64 blksize; | |
340 | }; | |
341 | ||
8bb8aefd | 342 | #define ORANGEFS_LOOKUP_LINK_NO_FOLLOW 0 |
f7ab093f MM |
343 | |
344 | /* pint-dev.h ***************************************************************/ | |
345 | ||
8bb8aefd | 346 | /* parameter structure used in ORANGEFS_DEV_DEBUG ioctl command */ |
f7ab093f MM |
347 | struct dev_mask_info_s { |
348 | enum { | |
349 | KERNEL_MASK, | |
350 | CLIENT_MASK, | |
351 | } mask_type; | |
352 | __u64 mask_value; | |
353 | }; | |
354 | ||
355 | struct dev_mask2_info_s { | |
356 | __u64 mask1_value; | |
357 | __u64 mask2_value; | |
358 | }; | |
359 | ||
360 | /* pvfs2-util.h *************************************************************/ | |
8bb8aefd | 361 | __s32 ORANGEFS_util_translate_mode(int mode); |
f7ab093f MM |
362 | |
363 | /* pvfs2-debug.h ************************************************************/ | |
575e9461 | 364 | #include "orangefs-debug.h" |
f7ab093f MM |
365 | |
366 | /* pvfs2-internal.h *********************************************************/ | |
367 | #define llu(x) (unsigned long long)(x) | |
368 | #define lld(x) (long long)(x) | |
369 | ||
370 | /* pint-dev-shared.h ********************************************************/ | |
8bb8aefd | 371 | #define ORANGEFS_DEV_MAGIC 'k' |
f7ab093f | 372 | |
8bb8aefd | 373 | #define ORANGEFS_READDIR_DEFAULT_DESC_COUNT 5 |
f7ab093f MM |
374 | |
375 | #define DEV_GET_MAGIC 0x1 | |
376 | #define DEV_GET_MAX_UPSIZE 0x2 | |
377 | #define DEV_GET_MAX_DOWNSIZE 0x3 | |
378 | #define DEV_MAP 0x4 | |
379 | #define DEV_REMOUNT_ALL 0x5 | |
380 | #define DEV_DEBUG 0x6 | |
381 | #define DEV_UPSTREAM 0x7 | |
382 | #define DEV_CLIENT_MASK 0x8 | |
383 | #define DEV_CLIENT_STRING 0x9 | |
384 | #define DEV_MAX_NR 0xa | |
385 | ||
386 | /* supported ioctls, codes are with respect to user-space */ | |
387 | enum { | |
8bb8aefd YL |
388 | ORANGEFS_DEV_GET_MAGIC = _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAGIC, __s32), |
389 | ORANGEFS_DEV_GET_MAX_UPSIZE = | |
390 | _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAX_UPSIZE, __s32), | |
391 | ORANGEFS_DEV_GET_MAX_DOWNSIZE = | |
392 | _IOW(ORANGEFS_DEV_MAGIC, DEV_GET_MAX_DOWNSIZE, __s32), | |
393 | ORANGEFS_DEV_MAP = _IO(ORANGEFS_DEV_MAGIC, DEV_MAP), | |
394 | ORANGEFS_DEV_REMOUNT_ALL = _IO(ORANGEFS_DEV_MAGIC, DEV_REMOUNT_ALL), | |
395 | ORANGEFS_DEV_DEBUG = _IOR(ORANGEFS_DEV_MAGIC, DEV_DEBUG, __s32), | |
396 | ORANGEFS_DEV_UPSTREAM = _IOW(ORANGEFS_DEV_MAGIC, DEV_UPSTREAM, int), | |
397 | ORANGEFS_DEV_CLIENT_MASK = _IOW(ORANGEFS_DEV_MAGIC, | |
f7ab093f MM |
398 | DEV_CLIENT_MASK, |
399 | struct dev_mask2_info_s), | |
8bb8aefd | 400 | ORANGEFS_DEV_CLIENT_STRING = _IOW(ORANGEFS_DEV_MAGIC, |
f7ab093f MM |
401 | DEV_CLIENT_STRING, |
402 | char *), | |
8bb8aefd | 403 | ORANGEFS_DEV_MAXNR = DEV_MAX_NR, |
f7ab093f MM |
404 | }; |
405 | ||
406 | /* | |
407 | * version number for use in communicating between kernel space and user | |
54804949 | 408 | * space. Zero signifies the upstream version of the kernel module. |
f7ab093f | 409 | */ |
8bb8aefd | 410 | #define ORANGEFS_KERNEL_PROTO_VERSION 0 |
878dfd32 | 411 | #define ORANGEFS_MINIMUM_USERSPACE_VERSION 20903 |
f7ab093f MM |
412 | |
413 | /* | |
8bb8aefd | 414 | * describes memory regions to map in the ORANGEFS_DEV_MAP ioctl. |
575e9461 | 415 | * NOTE: See devorangefs-req.c for 32 bit compat structure. |
f7ab093f MM |
416 | * Since this structure has a variable-sized layout that is different |
417 | * on 32 and 64 bit platforms, we need to normalize to a 64 bit layout | |
418 | * on such systems before servicing ioctl calls from user-space binaries | |
419 | * that may be 32 bit! | |
420 | */ | |
8bb8aefd | 421 | struct ORANGEFS_dev_map_desc { |
f7ab093f MM |
422 | void *ptr; |
423 | __s32 total_size; | |
424 | __s32 size; | |
425 | __s32 count; | |
426 | }; | |
427 | ||
428 | /* gossip.h *****************************************************************/ | |
429 | ||
430 | #ifdef GOSSIP_DISABLE_DEBUG | |
1917a693 JP |
431 | #define gossip_debug(mask, fmt, ...) \ |
432 | do { \ | |
433 | if (0) \ | |
434 | printk(KERN_DEBUG fmt, ##__VA_ARGS__); \ | |
435 | } while (0) | |
f7ab093f MM |
436 | #else |
437 | extern __u64 gossip_debug_mask; | |
438 | extern struct client_debug_mask client_debug_mask; | |
439 | ||
440 | /* try to avoid function call overhead by checking masks in macro */ | |
1917a693 JP |
441 | #define gossip_debug(mask, fmt, ...) \ |
442 | do { \ | |
443 | if (gossip_debug_mask & (mask)) \ | |
444 | printk(KERN_DEBUG fmt, ##__VA_ARGS__); \ | |
f7ab093f MM |
445 | } while (0) |
446 | #endif /* GOSSIP_DISABLE_DEBUG */ | |
447 | ||
448 | /* do file and line number printouts w/ the GNU preprocessor */ | |
1917a693 JP |
449 | #define gossip_ldebug(mask, fmt, ...) \ |
450 | gossip_debug(mask, "%s: " fmt, __func__, ##__VA_ARGS__) | |
451 | ||
452 | #define gossip_err pr_err | |
453 | #define gossip_lerr(fmt, ...) \ | |
454 | gossip_err("%s line %d: " fmt, \ | |
455 | __FILE__, __LINE__, ##__VA_ARGS__) |