Mike Marshall | f7ab093 | 2015-07-17 10:38:11 -0400 | [diff] [blame^] | 1 | #include <linux/spinlock_types.h> |
| 2 | #include <linux/types.h> |
| 3 | #include <linux/slab.h> |
| 4 | |
| 5 | extern struct client_debug_mask *cdm_array; |
| 6 | extern char *debug_help_string; |
| 7 | extern int help_string_initialized; |
| 8 | extern struct dentry *debug_dir; |
| 9 | extern struct dentry *help_file_dentry; |
| 10 | extern struct dentry *client_debug_dentry; |
| 11 | extern const struct file_operations debug_help_fops; |
| 12 | extern int client_all_index; |
| 13 | extern int client_verbose_index; |
| 14 | extern int cdm_element_count; |
| 15 | #define DEBUG_HELP_STRING_SIZE 4096 |
| 16 | #define HELP_STRING_UNINITIALIZED \ |
| 17 | "Client Debug Keywords are unknown until the first time\n" \ |
| 18 | "the client is started after boot.\n" |
| 19 | #define ORANGEFS_KMOD_DEBUG_HELP_FILE "debug-help" |
| 20 | #define ORANGEFS_KMOD_DEBUG_FILE "kernel-debug" |
| 21 | #define ORANGEFS_CLIENT_DEBUG_FILE "client-debug" |
| 22 | #define PVFS2_VERBOSE "verbose" |
| 23 | #define PVFS2_ALL "all" |
| 24 | |
| 25 | /* pvfs2-config.h ***********************************************************/ |
| 26 | #define PVFS2_VERSION_MAJOR 2 |
| 27 | #define PVFS2_VERSION_MINOR 9 |
| 28 | #define PVFS2_VERSION_SUB 0 |
| 29 | |
| 30 | /* khandle stuff ***********************************************************/ |
| 31 | |
| 32 | /* |
| 33 | * The 2.9 core will put 64 bit handles in here like this: |
| 34 | * 1234 0000 0000 5678 |
| 35 | * The 3.0 and beyond cores will put 128 bit handles in here like this: |
| 36 | * 1234 5678 90AB CDEF |
| 37 | * The kernel module will always use the first four bytes and |
| 38 | * the last four bytes as an inum. |
| 39 | */ |
| 40 | struct pvfs2_khandle { |
| 41 | unsigned char u[16]; |
| 42 | } __aligned(8); |
| 43 | |
| 44 | /* |
| 45 | * kernel version of an object ref. |
| 46 | */ |
| 47 | struct pvfs2_object_kref { |
| 48 | struct pvfs2_khandle khandle; |
| 49 | __s32 fs_id; |
| 50 | __s32 __pad1; |
| 51 | }; |
| 52 | |
| 53 | /* |
| 54 | * compare 2 khandles assumes little endian thus from large address to |
| 55 | * small address |
| 56 | */ |
| 57 | static inline int PVFS_khandle_cmp(const struct pvfs2_khandle *kh1, |
| 58 | const struct pvfs2_khandle *kh2) |
| 59 | { |
| 60 | int i; |
| 61 | |
| 62 | for (i = 15; i >= 0; i--) { |
| 63 | if (kh1->u[i] > kh2->u[i]) |
| 64 | return 1; |
| 65 | if (kh1->u[i] < kh2->u[i]) |
| 66 | return -1; |
| 67 | } |
| 68 | |
| 69 | return 0; |
| 70 | } |
| 71 | |
| 72 | /* copy a khandle to a field of arbitrary size */ |
| 73 | static inline void PVFS_khandle_to(const struct pvfs2_khandle *kh, |
| 74 | void *p, int size) |
| 75 | { |
| 76 | int i; |
| 77 | unsigned char *c = p; |
| 78 | |
| 79 | memset(p, 0, size); |
| 80 | |
| 81 | for (i = 0; i < 16 && i < size; i++) |
| 82 | c[i] = kh->u[i]; |
| 83 | } |
| 84 | |
| 85 | /* copy a khandle from a field of arbitrary size */ |
| 86 | static inline void PVFS_khandle_from(struct pvfs2_khandle *kh, |
| 87 | void *p, int size) |
| 88 | { |
| 89 | int i; |
| 90 | unsigned char *c = p; |
| 91 | |
| 92 | memset(kh, 0, 16); |
| 93 | |
| 94 | for (i = 0; i < 16 && i < size; i++) |
| 95 | kh->u[i] = c[i]; |
| 96 | } |
| 97 | |
| 98 | /* pvfs2-types.h ************************************************************/ |
| 99 | typedef __u32 PVFS_uid; |
| 100 | typedef __u32 PVFS_gid; |
| 101 | typedef __s32 PVFS_fs_id; |
| 102 | typedef __u32 PVFS_permissions; |
| 103 | typedef __u64 PVFS_time; |
| 104 | typedef __s64 PVFS_size; |
| 105 | typedef __u64 PVFS_flags; |
| 106 | typedef __u64 PVFS_ds_position; |
| 107 | typedef __s32 PVFS_error; |
| 108 | typedef __s64 PVFS_offset; |
| 109 | |
| 110 | #define PVFS2_SUPER_MAGIC 0x20030528 |
| 111 | #define PVFS_ERROR_BIT (1 << 30) |
| 112 | #define PVFS_NON_ERRNO_ERROR_BIT (1 << 29) |
| 113 | #define IS_PVFS_ERROR(__error) ((__error)&(PVFS_ERROR_BIT)) |
| 114 | #define IS_PVFS_NON_ERRNO_ERROR(__error) \ |
| 115 | (((__error)&(PVFS_NON_ERRNO_ERROR_BIT)) && IS_PVFS_ERROR(__error)) |
| 116 | #define PVFS_ERROR_TO_ERRNO(__error) PVFS_get_errno_mapping(__error) |
| 117 | |
| 118 | /* 7 bits are used for the errno mapped error codes */ |
| 119 | #define PVFS_ERROR_CODE(__error) \ |
| 120 | ((__error) & (__s32)(0x7f|PVFS_ERROR_BIT)) |
| 121 | #define PVFS_ERROR_CLASS(__error) \ |
| 122 | ((__error) & ~((__s32)(0x7f|PVFS_ERROR_BIT|PVFS_NON_ERRNO_ERROR_BIT))) |
| 123 | #define PVFS_NON_ERRNO_ERROR_CODE(__error) \ |
| 124 | ((__error) & (__s32)(127|PVFS_ERROR_BIT|PVFS_NON_ERRNO_ERROR_BIT)) |
| 125 | |
| 126 | /* PVFS2 error codes, compliments of asm/errno.h */ |
| 127 | #define PVFS_EPERM E(1) /* Operation not permitted */ |
| 128 | #define PVFS_ENOENT E(2) /* No such file or directory */ |
| 129 | #define PVFS_EINTR E(3) /* Interrupted system call */ |
| 130 | #define PVFS_EIO E(4) /* I/O error */ |
| 131 | #define PVFS_ENXIO E(5) /* No such device or address */ |
| 132 | #define PVFS_EBADF E(6) /* Bad file number */ |
| 133 | #define PVFS_EAGAIN E(7) /* Try again */ |
| 134 | #define PVFS_ENOMEM E(8) /* Out of memory */ |
| 135 | #define PVFS_EFAULT E(9) /* Bad address */ |
| 136 | #define PVFS_EBUSY E(10) /* Device or resource busy */ |
| 137 | #define PVFS_EEXIST E(11) /* File exists */ |
| 138 | #define PVFS_ENODEV E(12) /* No such device */ |
| 139 | #define PVFS_ENOTDIR E(13) /* Not a directory */ |
| 140 | #define PVFS_EISDIR E(14) /* Is a directory */ |
| 141 | #define PVFS_EINVAL E(15) /* Invalid argument */ |
| 142 | #define PVFS_EMFILE E(16) /* Too many open files */ |
| 143 | #define PVFS_EFBIG E(17) /* File too large */ |
| 144 | #define PVFS_ENOSPC E(18) /* No space left on device */ |
| 145 | #define PVFS_EROFS E(19) /* Read-only file system */ |
| 146 | #define PVFS_EMLINK E(20) /* Too many links */ |
| 147 | #define PVFS_EPIPE E(21) /* Broken pipe */ |
| 148 | #define PVFS_EDEADLK E(22) /* Resource deadlock would occur */ |
| 149 | #define PVFS_ENAMETOOLONG E(23) /* File name too long */ |
| 150 | #define PVFS_ENOLCK E(24) /* No record locks available */ |
| 151 | #define PVFS_ENOSYS E(25) /* Function not implemented */ |
| 152 | #define PVFS_ENOTEMPTY E(26) /* Directory not empty */ |
| 153 | /* |
| 154 | #define PVFS_ELOOP E(27) * Too many symbolic links encountered |
| 155 | */ |
| 156 | #define PVFS_EWOULDBLOCK E(28) /* Operation would block */ |
| 157 | #define PVFS_ENOMSG E(29) /* No message of desired type */ |
| 158 | #define PVFS_EUNATCH E(30) /* Protocol driver not attached */ |
| 159 | #define PVFS_EBADR E(31) /* Invalid request descriptor */ |
| 160 | #define PVFS_EDEADLOCK E(32) |
| 161 | #define PVFS_ENODATA E(33) /* No data available */ |
| 162 | #define PVFS_ETIME E(34) /* Timer expired */ |
| 163 | #define PVFS_ENONET E(35) /* Machine is not on the network */ |
| 164 | #define PVFS_EREMOTE E(36) /* Object is remote */ |
| 165 | #define PVFS_ECOMM E(37) /* Communication error on send */ |
| 166 | #define PVFS_EPROTO E(38) /* Protocol error */ |
| 167 | #define PVFS_EBADMSG E(39) /* Not a data message */ |
| 168 | /* |
| 169 | #define PVFS_EOVERFLOW E(40) * Value too large for defined data |
| 170 | * type |
| 171 | */ |
| 172 | /* |
| 173 | #define PVFS_ERESTART E(41) * Interrupted system call should be |
| 174 | * restarted |
| 175 | */ |
| 176 | #define PVFS_EMSGSIZE E(42) /* Message too long */ |
| 177 | #define PVFS_EPROTOTYPE E(43) /* Protocol wrong type for socket */ |
| 178 | #define PVFS_ENOPROTOOPT E(44) /* Protocol not available */ |
| 179 | #define PVFS_EPROTONOSUPPORT E(45) /* Protocol not supported */ |
| 180 | /* |
| 181 | #define PVFS_EOPNOTSUPP E(46) * Operation not supported on transport |
| 182 | * endpoint |
| 183 | */ |
| 184 | #define PVFS_EADDRINUSE E(47) /* Address already in use */ |
| 185 | #define PVFS_EADDRNOTAVAIL E(48) /* Cannot assign requested address */ |
| 186 | #define PVFS_ENETDOWN E(49) /* Network is down */ |
| 187 | #define PVFS_ENETUNREACH E(50) /* Network is unreachable */ |
| 188 | /* |
| 189 | #define PVFS_ENETRESET E(51) * Network dropped connection because |
| 190 | * of reset |
| 191 | */ |
| 192 | #define PVFS_ENOBUFS E(52) /* No buffer space available */ |
| 193 | #define PVFS_ETIMEDOUT E(53) /* Connection timed out */ |
| 194 | #define PVFS_ECONNREFUSED E(54) /* Connection refused */ |
| 195 | #define PVFS_EHOSTDOWN E(55) /* Host is down */ |
| 196 | #define PVFS_EHOSTUNREACH E(56) /* No route to host */ |
| 197 | #define PVFS_EALREADY E(57) /* Operation already in progress */ |
| 198 | #define PVFS_EACCES E(58) /* Access not allowed */ |
| 199 | #define PVFS_ECONNRESET E(59) /* Connection reset by peer */ |
| 200 | #define PVFS_ERANGE E(60) /* Math out of range or buf too small */ |
| 201 | |
| 202 | /***************** non-errno/pvfs2 specific error codes *****************/ |
| 203 | #define PVFS_ECANCEL (1|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 204 | #define PVFS_EDEVINIT (2|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 205 | #define PVFS_EDETAIL (3|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 206 | #define PVFS_EHOSTNTFD (4|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 207 | #define PVFS_EADDRNTFD (5|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 208 | #define PVFS_ENORECVR (6|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 209 | #define PVFS_ETRYAGAIN (7|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 210 | #define PVFS_ENOTPVFS (8|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 211 | #define PVFS_ESECURITY (9|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| 212 | |
| 213 | /* |
| 214 | * NOTE: PLEASE DO NOT ARBITRARILY ADD NEW ERRNO ERROR CODES! |
| 215 | * |
| 216 | * IF YOU CHOOSE TO ADD A NEW ERROR CODE (DESPITE OUR PLEA), YOU ALSO |
| 217 | * NEED TO INCREMENT PVFS_ERRNO MAX (BELOW) AND ADD A MAPPING TO A |
| 218 | * UNIX ERRNO VALUE IN THE MACROS BELOW (USED IN |
| 219 | * src/common/misc/errno-mapping.c and the kernel module) |
| 220 | */ |
| 221 | #define PVFS_ERRNO_MAX 61 |
| 222 | |
| 223 | #define PVFS_ERROR_BMI (1 << 7) /* BMI-specific error */ |
| 224 | #define PVFS_ERROR_TROVE (2 << 7) /* Trove-specific error */ |
| 225 | #define PVFS_ERROR_FLOW (3 << 7) |
| 226 | #define PVFS_ERROR_SM (4 << 7) /* state machine specific error */ |
| 227 | #define PVFS_ERROR_SCHED (5 << 7) |
| 228 | #define PVFS_ERROR_CLIENT (6 << 7) |
| 229 | #define PVFS_ERROR_DEV (7 << 7) /* device file interaction */ |
| 230 | |
| 231 | #define PVFS_ERROR_CLASS_BITS \ |
| 232 | (PVFS_ERROR_BMI | \ |
| 233 | PVFS_ERROR_TROVE | \ |
| 234 | PVFS_ERROR_FLOW | \ |
| 235 | PVFS_ERROR_SM | \ |
| 236 | PVFS_ERROR_SCHED | \ |
| 237 | PVFS_ERROR_CLIENT | \ |
| 238 | PVFS_ERROR_DEV) |
| 239 | |
| 240 | #define DECLARE_ERRNO_MAPPING() \ |
| 241 | __s32 PINT_errno_mapping[PVFS_ERRNO_MAX + 1] = { \ |
| 242 | 0, /* leave this one empty */ \ |
| 243 | EPERM, /* 1 */ \ |
| 244 | ENOENT, \ |
| 245 | EINTR, \ |
| 246 | EIO, \ |
| 247 | ENXIO, \ |
| 248 | EBADF, \ |
| 249 | EAGAIN, \ |
| 250 | ENOMEM, \ |
| 251 | EFAULT, \ |
| 252 | EBUSY, /* 10 */ \ |
| 253 | EEXIST, \ |
| 254 | ENODEV, \ |
| 255 | ENOTDIR, \ |
| 256 | EISDIR, \ |
| 257 | EINVAL, \ |
| 258 | EMFILE, \ |
| 259 | EFBIG, \ |
| 260 | ENOSPC, \ |
| 261 | EROFS, \ |
| 262 | EMLINK, /* 20 */ \ |
| 263 | EPIPE, \ |
| 264 | EDEADLK, \ |
| 265 | ENAMETOOLONG, \ |
| 266 | ENOLCK, \ |
| 267 | ENOSYS, \ |
| 268 | ENOTEMPTY, \ |
| 269 | ELOOP, \ |
| 270 | EWOULDBLOCK, \ |
| 271 | ENOMSG, \ |
| 272 | EUNATCH, /* 30 */ \ |
| 273 | EBADR, \ |
| 274 | EDEADLOCK, \ |
| 275 | ENODATA, \ |
| 276 | ETIME, \ |
| 277 | ENONET, \ |
| 278 | EREMOTE, \ |
| 279 | ECOMM, \ |
| 280 | EPROTO, \ |
| 281 | EBADMSG, \ |
| 282 | EOVERFLOW, /* 40 */ \ |
| 283 | ERESTART, \ |
| 284 | EMSGSIZE, \ |
| 285 | EPROTOTYPE, \ |
| 286 | ENOPROTOOPT, \ |
| 287 | EPROTONOSUPPORT, \ |
| 288 | EOPNOTSUPP, \ |
| 289 | EADDRINUSE, \ |
| 290 | EADDRNOTAVAIL, \ |
| 291 | ENETDOWN, \ |
| 292 | ENETUNREACH, /* 50 */ \ |
| 293 | ENETRESET, \ |
| 294 | ENOBUFS, \ |
| 295 | ETIMEDOUT, \ |
| 296 | ECONNREFUSED, \ |
| 297 | EHOSTDOWN, \ |
| 298 | EHOSTUNREACH, \ |
| 299 | EALREADY, \ |
| 300 | EACCES, \ |
| 301 | ECONNRESET, /* 59 */ \ |
| 302 | ERANGE, \ |
| 303 | 0 /* PVFS_ERRNO_MAX */ \ |
| 304 | }; \ |
| 305 | const char *PINT_non_errno_strerror_mapping[] = { \ |
| 306 | "Success", /* 0 */ \ |
| 307 | "Operation cancelled (possibly due to timeout)", \ |
| 308 | "Device initialization failed", \ |
| 309 | "Detailed per-server errors are available", \ |
| 310 | "Unknown host", \ |
| 311 | "No address associated with name", \ |
| 312 | "Unknown server error", \ |
| 313 | "Host name lookup failure", \ |
| 314 | "Path contains non-PVFS elements", \ |
| 315 | "Security error", \ |
| 316 | }; \ |
| 317 | __s32 PINT_non_errno_mapping[] = { \ |
| 318 | 0, /* leave this one empty */ \ |
| 319 | PVFS_ECANCEL, /* 1 */ \ |
| 320 | PVFS_EDEVINIT, /* 2 */ \ |
| 321 | PVFS_EDETAIL, /* 3 */ \ |
| 322 | PVFS_EHOSTNTFD, /* 4 */ \ |
| 323 | PVFS_EADDRNTFD, /* 5 */ \ |
| 324 | PVFS_ENORECVR, /* 6 */ \ |
| 325 | PVFS_ETRYAGAIN, /* 7 */ \ |
| 326 | PVFS_ENOTPVFS, /* 8 */ \ |
| 327 | PVFS_ESECURITY, /* 9 */ \ |
| 328 | } |
| 329 | |
| 330 | /* |
| 331 | * NOTE: PVFS_get_errno_mapping will convert a PVFS_ERROR_CODE to an |
| 332 | * errno value. If the error code is a pvfs2 specific error code |
| 333 | * (i.e. a PVFS_NON_ERRNO_ERROR_CODE), PVFS_get_errno_mapping will |
| 334 | * return an index into the PINT_non_errno_strerror_mapping array which |
| 335 | * can be used for getting the pvfs2 specific strerror message given |
| 336 | * the error code. if the value is not a recognized error code, the |
| 337 | * passed in value will be returned unchanged. |
| 338 | */ |
| 339 | #define DECLARE_ERRNO_MAPPING_AND_FN() \ |
| 340 | extern __s32 PINT_errno_mapping[]; \ |
| 341 | extern __s32 PINT_non_errno_mapping[]; \ |
| 342 | extern const char *PINT_non_errno_strerror_mapping[]; \ |
| 343 | __s32 PVFS_get_errno_mapping(__s32 error) \ |
| 344 | { \ |
| 345 | __s32 ret = error, mask = 0; \ |
| 346 | __s32 positive = ((error > -1) ? 1 : 0); \ |
| 347 | if (IS_PVFS_NON_ERRNO_ERROR((positive ? error : -error))) { \ |
| 348 | mask = (PVFS_NON_ERRNO_ERROR_BIT | \ |
| 349 | PVFS_ERROR_BIT | \ |
| 350 | PVFS_ERROR_CLASS_BITS); \ |
| 351 | ret = PVFS_NON_ERRNO_ERROR_CODE(((positive ? \ |
| 352 | error : \ |
| 353 | abs(error))) & \ |
| 354 | ~mask); \ |
| 355 | } \ |
| 356 | else if (IS_PVFS_ERROR((positive ? error : -error))) { \ |
| 357 | mask = (PVFS_ERROR_BIT | \ |
| 358 | PVFS_ERROR_CLASS_BITS); \ |
| 359 | ret = PINT_errno_mapping[PVFS_ERROR_CODE(((positive ? \ |
| 360 | error : \ |
| 361 | abs(error))) & \ |
| 362 | ~mask)]; \ |
| 363 | } \ |
| 364 | return ret; \ |
| 365 | } \ |
| 366 | __s32 PVFS_errno_to_error(int err) \ |
| 367 | { \ |
| 368 | __s32 e = 0; \ |
| 369 | \ |
| 370 | for (; e < PVFS_ERRNO_MAX; ++e) \ |
| 371 | if (PINT_errno_mapping[e] == err) \ |
| 372 | return e | PVFS_ERROR_BIT; \ |
| 373 | \ |
| 374 | return err; \ |
| 375 | } \ |
| 376 | DECLARE_ERRNO_MAPPING() |
| 377 | |
| 378 | /* permission bits */ |
| 379 | #define PVFS_O_EXECUTE (1 << 0) |
| 380 | #define PVFS_O_WRITE (1 << 1) |
| 381 | #define PVFS_O_READ (1 << 2) |
| 382 | #define PVFS_G_EXECUTE (1 << 3) |
| 383 | #define PVFS_G_WRITE (1 << 4) |
| 384 | #define PVFS_G_READ (1 << 5) |
| 385 | #define PVFS_U_EXECUTE (1 << 6) |
| 386 | #define PVFS_U_WRITE (1 << 7) |
| 387 | #define PVFS_U_READ (1 << 8) |
| 388 | /* no PVFS_U_VTX (sticky bit) */ |
| 389 | #define PVFS_G_SGID (1 << 10) |
| 390 | #define PVFS_U_SUID (1 << 11) |
| 391 | |
| 392 | /* definition taken from stdint.h */ |
| 393 | #define INT32_MAX (2147483647) |
| 394 | #define PVFS_ITERATE_START (INT32_MAX - 1) |
| 395 | #define PVFS_ITERATE_END (INT32_MAX - 2) |
| 396 | #define PVFS_READDIR_START PVFS_ITERATE_START |
| 397 | #define PVFS_READDIR_END PVFS_ITERATE_END |
| 398 | #define PVFS_IMMUTABLE_FL FS_IMMUTABLE_FL |
| 399 | #define PVFS_APPEND_FL FS_APPEND_FL |
| 400 | #define PVFS_NOATIME_FL FS_NOATIME_FL |
| 401 | #define PVFS_MIRROR_FL 0x01000000ULL |
| 402 | #define PVFS_O_EXECUTE (1 << 0) |
| 403 | #define PVFS_FS_ID_NULL ((__s32)0) |
| 404 | #define PVFS_ATTR_SYS_UID (1 << 0) |
| 405 | #define PVFS_ATTR_SYS_GID (1 << 1) |
| 406 | #define PVFS_ATTR_SYS_PERM (1 << 2) |
| 407 | #define PVFS_ATTR_SYS_ATIME (1 << 3) |
| 408 | #define PVFS_ATTR_SYS_CTIME (1 << 4) |
| 409 | #define PVFS_ATTR_SYS_MTIME (1 << 5) |
| 410 | #define PVFS_ATTR_SYS_TYPE (1 << 6) |
| 411 | #define PVFS_ATTR_SYS_ATIME_SET (1 << 7) |
| 412 | #define PVFS_ATTR_SYS_MTIME_SET (1 << 8) |
| 413 | #define PVFS_ATTR_SYS_SIZE (1 << 20) |
| 414 | #define PVFS_ATTR_SYS_LNK_TARGET (1 << 24) |
| 415 | #define PVFS_ATTR_SYS_DFILE_COUNT (1 << 25) |
| 416 | #define PVFS_ATTR_SYS_DIRENT_COUNT (1 << 26) |
| 417 | #define PVFS_ATTR_SYS_BLKSIZE (1 << 28) |
| 418 | #define PVFS_ATTR_SYS_MIRROR_COPIES_COUNT (1 << 29) |
| 419 | #define PVFS_ATTR_SYS_COMMON_ALL \ |
| 420 | (PVFS_ATTR_SYS_UID | \ |
| 421 | PVFS_ATTR_SYS_GID | \ |
| 422 | PVFS_ATTR_SYS_PERM | \ |
| 423 | PVFS_ATTR_SYS_ATIME | \ |
| 424 | PVFS_ATTR_SYS_CTIME | \ |
| 425 | PVFS_ATTR_SYS_MTIME | \ |
| 426 | PVFS_ATTR_SYS_TYPE) |
| 427 | |
| 428 | #define PVFS_ATTR_SYS_ALL_SETABLE \ |
| 429 | (PVFS_ATTR_SYS_COMMON_ALL-PVFS_ATTR_SYS_TYPE) |
| 430 | |
| 431 | #define PVFS_ATTR_SYS_ALL_NOHINT \ |
| 432 | (PVFS_ATTR_SYS_COMMON_ALL | \ |
| 433 | PVFS_ATTR_SYS_SIZE | \ |
| 434 | PVFS_ATTR_SYS_LNK_TARGET | \ |
| 435 | PVFS_ATTR_SYS_DFILE_COUNT | \ |
| 436 | PVFS_ATTR_SYS_MIRROR_COPIES_COUNT | \ |
| 437 | PVFS_ATTR_SYS_DIRENT_COUNT | \ |
| 438 | PVFS_ATTR_SYS_BLKSIZE) |
| 439 | #define PVFS_XATTR_REPLACE 0x2 |
| 440 | #define PVFS_XATTR_CREATE 0x1 |
| 441 | #define PVFS_MAX_SERVER_ADDR_LEN 256 |
| 442 | #define PVFS_NAME_MAX 256 |
| 443 | /* |
| 444 | * max extended attribute name len as imposed by the VFS and exploited for the |
| 445 | * upcall request types. |
| 446 | * NOTE: Please retain them as multiples of 8 even if you wish to change them |
| 447 | * This is *NECESSARY* for supporting 32 bit user-space binaries on a 64-bit |
| 448 | * kernel. Due to implementation within DBPF, this really needs to be |
| 449 | * PVFS_NAME_MAX, which it was the same value as, but no reason to let it |
| 450 | * break if that changes in the future. |
| 451 | */ |
| 452 | #define PVFS_MAX_XATTR_NAMELEN PVFS_NAME_MAX /* Not the same as |
| 453 | * XATTR_NAME_MAX defined |
| 454 | * by <linux/xattr.h> |
| 455 | */ |
| 456 | #define PVFS_MAX_XATTR_VALUELEN 8192 /* Not the same as XATTR_SIZE_MAX |
| 457 | * defined by <linux/xattr.h> |
| 458 | */ |
| 459 | #define PVFS_MAX_XATTR_LISTLEN 16 /* Not the same as XATTR_LIST_MAX |
| 460 | * defined by <linux/xattr.h> |
| 461 | */ |
| 462 | /* |
| 463 | * PVFS I/O operation types, used in both system and server interfaces. |
| 464 | */ |
| 465 | enum PVFS_io_type { |
| 466 | PVFS_IO_READ = 1, |
| 467 | PVFS_IO_WRITE = 2 |
| 468 | }; |
| 469 | |
| 470 | /* |
| 471 | * If this enum is modified the server parameters related to the precreate pool |
| 472 | * batch and low threshold sizes may need to be modified to reflect this |
| 473 | * change. |
| 474 | */ |
| 475 | enum pvfs2_ds_type { |
| 476 | PVFS_TYPE_NONE = 0, |
| 477 | PVFS_TYPE_METAFILE = (1 << 0), |
| 478 | PVFS_TYPE_DATAFILE = (1 << 1), |
| 479 | PVFS_TYPE_DIRECTORY = (1 << 2), |
| 480 | PVFS_TYPE_SYMLINK = (1 << 3), |
| 481 | PVFS_TYPE_DIRDATA = (1 << 4), |
| 482 | PVFS_TYPE_INTERNAL = (1 << 5) /* for the server's private use */ |
| 483 | }; |
| 484 | |
| 485 | /* |
| 486 | * PVFS_certificate simply stores a buffer with the buffer size. |
| 487 | * The buffer can be converted to an OpenSSL X509 struct for use. |
| 488 | */ |
| 489 | struct PVFS_certificate { |
| 490 | __u32 buf_size; |
| 491 | unsigned char *buf; |
| 492 | }; |
| 493 | |
| 494 | /* |
| 495 | * A credential identifies a user and is signed by the client/user |
| 496 | * private key. |
| 497 | */ |
| 498 | struct PVFS_credential { |
| 499 | __u32 userid; /* user id */ |
| 500 | __u32 num_groups; /* length of group_array */ |
| 501 | __u32 *group_array; /* groups for which the user is a member */ |
| 502 | char *issuer; /* alias of the issuing server */ |
| 503 | __u64 timeout; /* seconds after epoch to time out */ |
| 504 | __u32 sig_size; /* length of the signature in bytes */ |
| 505 | unsigned char *signature; /* digital signature */ |
| 506 | struct PVFS_certificate certificate; /* user certificate buffer */ |
| 507 | }; |
| 508 | #define extra_size_PVFS_credential (PVFS_REQ_LIMIT_GROUPS * \ |
| 509 | sizeof(__u32) + \ |
| 510 | PVFS_REQ_LIMIT_ISSUER + \ |
| 511 | PVFS_REQ_LIMIT_SIGNATURE + \ |
| 512 | extra_size_PVFS_certificate) |
| 513 | |
| 514 | /* This structure is used by the VFS-client interaction alone */ |
| 515 | struct PVFS_keyval_pair { |
| 516 | char key[PVFS_MAX_XATTR_NAMELEN]; |
| 517 | __s32 key_sz; /* __s32 for portable, fixed-size structures */ |
| 518 | __s32 val_sz; |
| 519 | char val[PVFS_MAX_XATTR_VALUELEN]; |
| 520 | }; |
| 521 | |
| 522 | /* pvfs2-sysint.h ***********************************************************/ |
| 523 | /* Describes attributes for a file, directory, or symlink. */ |
| 524 | struct PVFS_sys_attr_s { |
| 525 | __u32 owner; |
| 526 | __u32 group; |
| 527 | __u32 perms; |
| 528 | __u64 atime; |
| 529 | __u64 mtime; |
| 530 | __u64 ctime; |
| 531 | __s64 size; |
| 532 | |
| 533 | /* NOTE: caller must free if valid */ |
| 534 | char *link_target; |
| 535 | |
| 536 | /* Changed to __s32 so that size of structure does not change */ |
| 537 | __s32 dfile_count; |
| 538 | |
| 539 | /* Changed to __s32 so that size of structure does not change */ |
| 540 | __s32 distr_dir_servers_initial; |
| 541 | |
| 542 | /* Changed to __s32 so that size of structure does not change */ |
| 543 | __s32 distr_dir_servers_max; |
| 544 | |
| 545 | /* Changed to __s32 so that size of structure does not change */ |
| 546 | __s32 distr_dir_split_size; |
| 547 | |
| 548 | __u32 mirror_copies_count; |
| 549 | |
| 550 | /* NOTE: caller must free if valid */ |
| 551 | char *dist_name; |
| 552 | |
| 553 | /* NOTE: caller must free if valid */ |
| 554 | char *dist_params; |
| 555 | |
| 556 | __s64 dirent_count; |
| 557 | enum pvfs2_ds_type objtype; |
| 558 | __u64 flags; |
| 559 | __u32 mask; |
| 560 | __s64 blksize; |
| 561 | }; |
| 562 | |
| 563 | #define PVFS2_LOOKUP_LINK_NO_FOLLOW 0 |
| 564 | #define PVFS2_LOOKUP_LINK_FOLLOW 1 |
| 565 | |
| 566 | /* pint-dev.h ***************************************************************/ |
| 567 | |
| 568 | /* parameter structure used in PVFS_DEV_DEBUG ioctl command */ |
| 569 | struct dev_mask_info_s { |
| 570 | enum { |
| 571 | KERNEL_MASK, |
| 572 | CLIENT_MASK, |
| 573 | } mask_type; |
| 574 | __u64 mask_value; |
| 575 | }; |
| 576 | |
| 577 | struct dev_mask2_info_s { |
| 578 | __u64 mask1_value; |
| 579 | __u64 mask2_value; |
| 580 | }; |
| 581 | |
| 582 | /* pvfs2-util.h *************************************************************/ |
| 583 | #define PVFS_util_min(x1, x2) (((x1) > (x2)) ? (x2) : (x1)) |
| 584 | __s32 PVFS_util_translate_mode(int mode); |
| 585 | |
| 586 | /* pvfs2-debug.h ************************************************************/ |
| 587 | #include "pvfs2-debug.h" |
| 588 | |
| 589 | /* pvfs2-internal.h *********************************************************/ |
| 590 | #define llu(x) (unsigned long long)(x) |
| 591 | #define lld(x) (long long)(x) |
| 592 | |
| 593 | /* pint-dev-shared.h ********************************************************/ |
| 594 | #define PVFS_DEV_MAGIC 'k' |
| 595 | |
| 596 | #define PVFS2_READDIR_DEFAULT_DESC_COUNT 5 |
| 597 | |
| 598 | #define DEV_GET_MAGIC 0x1 |
| 599 | #define DEV_GET_MAX_UPSIZE 0x2 |
| 600 | #define DEV_GET_MAX_DOWNSIZE 0x3 |
| 601 | #define DEV_MAP 0x4 |
| 602 | #define DEV_REMOUNT_ALL 0x5 |
| 603 | #define DEV_DEBUG 0x6 |
| 604 | #define DEV_UPSTREAM 0x7 |
| 605 | #define DEV_CLIENT_MASK 0x8 |
| 606 | #define DEV_CLIENT_STRING 0x9 |
| 607 | #define DEV_MAX_NR 0xa |
| 608 | |
| 609 | /* supported ioctls, codes are with respect to user-space */ |
| 610 | enum { |
| 611 | PVFS_DEV_GET_MAGIC = _IOW(PVFS_DEV_MAGIC, DEV_GET_MAGIC, __s32), |
| 612 | PVFS_DEV_GET_MAX_UPSIZE = |
| 613 | _IOW(PVFS_DEV_MAGIC, DEV_GET_MAX_UPSIZE, __s32), |
| 614 | PVFS_DEV_GET_MAX_DOWNSIZE = |
| 615 | _IOW(PVFS_DEV_MAGIC, DEV_GET_MAX_DOWNSIZE, __s32), |
| 616 | PVFS_DEV_MAP = _IO(PVFS_DEV_MAGIC, DEV_MAP), |
| 617 | PVFS_DEV_REMOUNT_ALL = _IO(PVFS_DEV_MAGIC, DEV_REMOUNT_ALL), |
| 618 | PVFS_DEV_DEBUG = _IOR(PVFS_DEV_MAGIC, DEV_DEBUG, __s32), |
| 619 | PVFS_DEV_UPSTREAM = _IOW(PVFS_DEV_MAGIC, DEV_UPSTREAM, int), |
| 620 | PVFS_DEV_CLIENT_MASK = _IOW(PVFS_DEV_MAGIC, |
| 621 | DEV_CLIENT_MASK, |
| 622 | struct dev_mask2_info_s), |
| 623 | PVFS_DEV_CLIENT_STRING = _IOW(PVFS_DEV_MAGIC, |
| 624 | DEV_CLIENT_STRING, |
| 625 | char *), |
| 626 | PVFS_DEV_MAXNR = DEV_MAX_NR, |
| 627 | }; |
| 628 | |
| 629 | /* |
| 630 | * version number for use in communicating between kernel space and user |
| 631 | * space |
| 632 | */ |
| 633 | /* |
| 634 | #define PVFS_KERNEL_PROTO_VERSION \ |
| 635 | ((PVFS2_VERSION_MAJOR * 10000) + \ |
| 636 | (PVFS2_VERSION_MINOR * 100) + \ |
| 637 | PVFS2_VERSION_SUB) |
| 638 | */ |
| 639 | #define PVFS_KERNEL_PROTO_VERSION 0 |
| 640 | |
| 641 | /* |
| 642 | * describes memory regions to map in the PVFS_DEV_MAP ioctl. |
| 643 | * NOTE: See devpvfs2-req.c for 32 bit compat structure. |
| 644 | * Since this structure has a variable-sized layout that is different |
| 645 | * on 32 and 64 bit platforms, we need to normalize to a 64 bit layout |
| 646 | * on such systems before servicing ioctl calls from user-space binaries |
| 647 | * that may be 32 bit! |
| 648 | */ |
| 649 | struct PVFS_dev_map_desc { |
| 650 | void *ptr; |
| 651 | __s32 total_size; |
| 652 | __s32 size; |
| 653 | __s32 count; |
| 654 | }; |
| 655 | |
| 656 | /* gossip.h *****************************************************************/ |
| 657 | |
| 658 | #ifdef GOSSIP_DISABLE_DEBUG |
| 659 | #define gossip_debug(mask, format, f...) do {} while (0) |
| 660 | #else |
| 661 | extern __u64 gossip_debug_mask; |
| 662 | extern struct client_debug_mask client_debug_mask; |
| 663 | |
| 664 | /* try to avoid function call overhead by checking masks in macro */ |
| 665 | #define gossip_debug(mask, format, f...) \ |
| 666 | do { \ |
| 667 | if (gossip_debug_mask & mask) \ |
| 668 | printk(format, ##f); \ |
| 669 | } while (0) |
| 670 | #endif /* GOSSIP_DISABLE_DEBUG */ |
| 671 | |
| 672 | /* do file and line number printouts w/ the GNU preprocessor */ |
| 673 | #define gossip_ldebug(mask, format, f...) \ |
| 674 | gossip_debug(mask, "%s: " format, __func__, ##f) |
| 675 | |
| 676 | #define gossip_err printk |
| 677 | #define gossip_lerr(format, f...) \ |
| 678 | gossip_err("%s line %d: " format, \ |
| 679 | __FILE__, \ |
| 680 | __LINE__, \ |
| 681 | ##f) |