| #include <linux/types.h> |
| #include <linux/spinlock_types.h> |
| #include <linux/slab.h> |
| #include <linux/ioctl.h> |
| |
| extern struct client_debug_mask *cdm_array; |
| extern char *debug_help_string; |
| extern int help_string_initialized; |
| extern struct dentry *debug_dir; |
| extern struct dentry *help_file_dentry; |
| extern struct dentry *client_debug_dentry; |
| extern const struct file_operations debug_help_fops; |
| extern int client_all_index; |
| extern int client_verbose_index; |
| extern int cdm_element_count; |
| #define DEBUG_HELP_STRING_SIZE 4096 |
| #define HELP_STRING_UNINITIALIZED \ |
| "Client Debug Keywords are unknown until the first time\n" \ |
| "the client is started after boot.\n" |
| #define ORANGEFS_KMOD_DEBUG_HELP_FILE "debug-help" |
| #define ORANGEFS_KMOD_DEBUG_FILE "kernel-debug" |
| #define ORANGEFS_CLIENT_DEBUG_FILE "client-debug" |
| #define PVFS2_VERBOSE "verbose" |
| #define PVFS2_ALL "all" |
| |
| /* pvfs2-config.h ***********************************************************/ |
| #define PVFS2_VERSION_MAJOR 2 |
| #define PVFS2_VERSION_MINOR 9 |
| #define PVFS2_VERSION_SUB 0 |
| |
| /* khandle stuff ***********************************************************/ |
| |
| /* |
| * The 2.9 core will put 64 bit handles in here like this: |
| * 1234 0000 0000 5678 |
| * The 3.0 and beyond cores will put 128 bit handles in here like this: |
| * 1234 5678 90AB CDEF |
| * The kernel module will always use the first four bytes and |
| * the last four bytes as an inum. |
| */ |
| struct pvfs2_khandle { |
| unsigned char u[16]; |
| } __aligned(8); |
| |
| /* |
| * kernel version of an object ref. |
| */ |
| struct pvfs2_object_kref { |
| struct pvfs2_khandle khandle; |
| __s32 fs_id; |
| __s32 __pad1; |
| }; |
| |
| /* |
| * compare 2 khandles assumes little endian thus from large address to |
| * small address |
| */ |
| static inline int PVFS_khandle_cmp(const struct pvfs2_khandle *kh1, |
| const struct pvfs2_khandle *kh2) |
| { |
| int i; |
| |
| for (i = 15; i >= 0; i--) { |
| if (kh1->u[i] > kh2->u[i]) |
| return 1; |
| if (kh1->u[i] < kh2->u[i]) |
| return -1; |
| } |
| |
| return 0; |
| } |
| |
| static inline void PVFS_khandle_to(const struct pvfs2_khandle *kh, |
| void *p, int size) |
| { |
| |
| memset(p, 0, size); |
| memcpy(p, kh->u, 16); |
| |
| } |
| |
| static inline void PVFS_khandle_from(struct pvfs2_khandle *kh, |
| void *p, int size) |
| { |
| memset(kh, 0, 16); |
| memcpy(kh->u, p, 16); |
| |
| } |
| |
| /* pvfs2-types.h ************************************************************/ |
| typedef __u32 PVFS_uid; |
| typedef __u32 PVFS_gid; |
| typedef __s32 PVFS_fs_id; |
| typedef __u32 PVFS_permissions; |
| typedef __u64 PVFS_time; |
| typedef __s64 PVFS_size; |
| typedef __u64 PVFS_flags; |
| typedef __u64 PVFS_ds_position; |
| typedef __s32 PVFS_error; |
| typedef __s64 PVFS_offset; |
| |
| #define PVFS2_SUPER_MAGIC 0x20030528 |
| #define PVFS_ERROR_BIT (1 << 30) |
| #define PVFS_NON_ERRNO_ERROR_BIT (1 << 29) |
| #define IS_PVFS_ERROR(__error) ((__error)&(PVFS_ERROR_BIT)) |
| #define IS_PVFS_NON_ERRNO_ERROR(__error) \ |
| (((__error)&(PVFS_NON_ERRNO_ERROR_BIT)) && IS_PVFS_ERROR(__error)) |
| #define PVFS_ERROR_TO_ERRNO(__error) PVFS_get_errno_mapping(__error) |
| |
| /* 7 bits are used for the errno mapped error codes */ |
| #define PVFS_ERROR_CODE(__error) \ |
| ((__error) & (__s32)(0x7f|PVFS_ERROR_BIT)) |
| #define PVFS_ERROR_CLASS(__error) \ |
| ((__error) & ~((__s32)(0x7f|PVFS_ERROR_BIT|PVFS_NON_ERRNO_ERROR_BIT))) |
| #define PVFS_NON_ERRNO_ERROR_CODE(__error) \ |
| ((__error) & (__s32)(127|PVFS_ERROR_BIT|PVFS_NON_ERRNO_ERROR_BIT)) |
| |
| /* PVFS2 error codes, compliments of asm/errno.h */ |
| #define PVFS_EPERM E(1) /* Operation not permitted */ |
| #define PVFS_ENOENT E(2) /* No such file or directory */ |
| #define PVFS_EINTR E(3) /* Interrupted system call */ |
| #define PVFS_EIO E(4) /* I/O error */ |
| #define PVFS_ENXIO E(5) /* No such device or address */ |
| #define PVFS_EBADF E(6) /* Bad file number */ |
| #define PVFS_EAGAIN E(7) /* Try again */ |
| #define PVFS_ENOMEM E(8) /* Out of memory */ |
| #define PVFS_EFAULT E(9) /* Bad address */ |
| #define PVFS_EBUSY E(10) /* Device or resource busy */ |
| #define PVFS_EEXIST E(11) /* File exists */ |
| #define PVFS_ENODEV E(12) /* No such device */ |
| #define PVFS_ENOTDIR E(13) /* Not a directory */ |
| #define PVFS_EISDIR E(14) /* Is a directory */ |
| #define PVFS_EINVAL E(15) /* Invalid argument */ |
| #define PVFS_EMFILE E(16) /* Too many open files */ |
| #define PVFS_EFBIG E(17) /* File too large */ |
| #define PVFS_ENOSPC E(18) /* No space left on device */ |
| #define PVFS_EROFS E(19) /* Read-only file system */ |
| #define PVFS_EMLINK E(20) /* Too many links */ |
| #define PVFS_EPIPE E(21) /* Broken pipe */ |
| #define PVFS_EDEADLK E(22) /* Resource deadlock would occur */ |
| #define PVFS_ENAMETOOLONG E(23) /* File name too long */ |
| #define PVFS_ENOLCK E(24) /* No record locks available */ |
| #define PVFS_ENOSYS E(25) /* Function not implemented */ |
| #define PVFS_ENOTEMPTY E(26) /* Directory not empty */ |
| /* |
| #define PVFS_ELOOP E(27) * Too many symbolic links encountered |
| */ |
| #define PVFS_EWOULDBLOCK E(28) /* Operation would block */ |
| #define PVFS_ENOMSG E(29) /* No message of desired type */ |
| #define PVFS_EUNATCH E(30) /* Protocol driver not attached */ |
| #define PVFS_EBADR E(31) /* Invalid request descriptor */ |
| #define PVFS_EDEADLOCK E(32) |
| #define PVFS_ENODATA E(33) /* No data available */ |
| #define PVFS_ETIME E(34) /* Timer expired */ |
| #define PVFS_ENONET E(35) /* Machine is not on the network */ |
| #define PVFS_EREMOTE E(36) /* Object is remote */ |
| #define PVFS_ECOMM E(37) /* Communication error on send */ |
| #define PVFS_EPROTO E(38) /* Protocol error */ |
| #define PVFS_EBADMSG E(39) /* Not a data message */ |
| /* |
| #define PVFS_EOVERFLOW E(40) * Value too large for defined data |
| * type |
| */ |
| /* |
| #define PVFS_ERESTART E(41) * Interrupted system call should be |
| * restarted |
| */ |
| #define PVFS_EMSGSIZE E(42) /* Message too long */ |
| #define PVFS_EPROTOTYPE E(43) /* Protocol wrong type for socket */ |
| #define PVFS_ENOPROTOOPT E(44) /* Protocol not available */ |
| #define PVFS_EPROTONOSUPPORT E(45) /* Protocol not supported */ |
| /* |
| #define PVFS_EOPNOTSUPP E(46) * Operation not supported on transport |
| * endpoint |
| */ |
| #define PVFS_EADDRINUSE E(47) /* Address already in use */ |
| #define PVFS_EADDRNOTAVAIL E(48) /* Cannot assign requested address */ |
| #define PVFS_ENETDOWN E(49) /* Network is down */ |
| #define PVFS_ENETUNREACH E(50) /* Network is unreachable */ |
| /* |
| #define PVFS_ENETRESET E(51) * Network dropped connection because |
| * of reset |
| */ |
| #define PVFS_ENOBUFS E(52) /* No buffer space available */ |
| #define PVFS_ETIMEDOUT E(53) /* Connection timed out */ |
| #define PVFS_ECONNREFUSED E(54) /* Connection refused */ |
| #define PVFS_EHOSTDOWN E(55) /* Host is down */ |
| #define PVFS_EHOSTUNREACH E(56) /* No route to host */ |
| #define PVFS_EALREADY E(57) /* Operation already in progress */ |
| #define PVFS_EACCES E(58) /* Access not allowed */ |
| #define PVFS_ECONNRESET E(59) /* Connection reset by peer */ |
| #define PVFS_ERANGE E(60) /* Math out of range or buf too small */ |
| |
| /***************** non-errno/pvfs2 specific error codes *****************/ |
| #define PVFS_ECANCEL (1|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| #define PVFS_EDEVINIT (2|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| #define PVFS_EDETAIL (3|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| #define PVFS_EHOSTNTFD (4|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| #define PVFS_EADDRNTFD (5|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| #define PVFS_ENORECVR (6|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| #define PVFS_ETRYAGAIN (7|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| #define PVFS_ENOTPVFS (8|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| #define PVFS_ESECURITY (9|(PVFS_NON_ERRNO_ERROR_BIT|PVFS_ERROR_BIT)) |
| |
| /* |
| * NOTE: PLEASE DO NOT ARBITRARILY ADD NEW ERRNO ERROR CODES! |
| * |
| * IF YOU CHOOSE TO ADD A NEW ERROR CODE (DESPITE OUR PLEA), YOU ALSO |
| * NEED TO INCREMENT PVFS_ERRNO MAX (BELOW) AND ADD A MAPPING TO A |
| * UNIX ERRNO VALUE IN THE MACROS BELOW (USED IN |
| * src/common/misc/errno-mapping.c and the kernel module) |
| */ |
| #define PVFS_ERRNO_MAX 61 |
| |
| #define PVFS_ERROR_BMI (1 << 7) /* BMI-specific error */ |
| #define PVFS_ERROR_TROVE (2 << 7) /* Trove-specific error */ |
| #define PVFS_ERROR_FLOW (3 << 7) |
| #define PVFS_ERROR_SM (4 << 7) /* state machine specific error */ |
| #define PVFS_ERROR_SCHED (5 << 7) |
| #define PVFS_ERROR_CLIENT (6 << 7) |
| #define PVFS_ERROR_DEV (7 << 7) /* device file interaction */ |
| |
| #define PVFS_ERROR_CLASS_BITS \ |
| (PVFS_ERROR_BMI | \ |
| PVFS_ERROR_TROVE | \ |
| PVFS_ERROR_FLOW | \ |
| PVFS_ERROR_SM | \ |
| PVFS_ERROR_SCHED | \ |
| PVFS_ERROR_CLIENT | \ |
| PVFS_ERROR_DEV) |
| |
| #define DECLARE_ERRNO_MAPPING() \ |
| __s32 PINT_errno_mapping[PVFS_ERRNO_MAX + 1] = { \ |
| 0, /* leave this one empty */ \ |
| EPERM, /* 1 */ \ |
| ENOENT, \ |
| EINTR, \ |
| EIO, \ |
| ENXIO, \ |
| EBADF, \ |
| EAGAIN, \ |
| ENOMEM, \ |
| EFAULT, \ |
| EBUSY, /* 10 */ \ |
| EEXIST, \ |
| ENODEV, \ |
| ENOTDIR, \ |
| EISDIR, \ |
| EINVAL, \ |
| EMFILE, \ |
| EFBIG, \ |
| ENOSPC, \ |
| EROFS, \ |
| EMLINK, /* 20 */ \ |
| EPIPE, \ |
| EDEADLK, \ |
| ENAMETOOLONG, \ |
| ENOLCK, \ |
| ENOSYS, \ |
| ENOTEMPTY, \ |
| ELOOP, \ |
| EWOULDBLOCK, \ |
| ENOMSG, \ |
| EUNATCH, /* 30 */ \ |
| EBADR, \ |
| EDEADLOCK, \ |
| ENODATA, \ |
| ETIME, \ |
| ENONET, \ |
| EREMOTE, \ |
| ECOMM, \ |
| EPROTO, \ |
| EBADMSG, \ |
| EOVERFLOW, /* 40 */ \ |
| ERESTART, \ |
| EMSGSIZE, \ |
| EPROTOTYPE, \ |
| ENOPROTOOPT, \ |
| EPROTONOSUPPORT, \ |
| EOPNOTSUPP, \ |
| EADDRINUSE, \ |
| EADDRNOTAVAIL, \ |
| ENETDOWN, \ |
| ENETUNREACH, /* 50 */ \ |
| ENETRESET, \ |
| ENOBUFS, \ |
| ETIMEDOUT, \ |
| ECONNREFUSED, \ |
| EHOSTDOWN, \ |
| EHOSTUNREACH, \ |
| EALREADY, \ |
| EACCES, \ |
| ECONNRESET, /* 59 */ \ |
| ERANGE, \ |
| 0 /* PVFS_ERRNO_MAX */ \ |
| }; \ |
| const char *PINT_non_errno_strerror_mapping[] = { \ |
| "Success", /* 0 */ \ |
| "Operation cancelled (possibly due to timeout)", \ |
| "Device initialization failed", \ |
| "Detailed per-server errors are available", \ |
| "Unknown host", \ |
| "No address associated with name", \ |
| "Unknown server error", \ |
| "Host name lookup failure", \ |
| "Path contains non-PVFS elements", \ |
| "Security error", \ |
| }; \ |
| __s32 PINT_non_errno_mapping[] = { \ |
| 0, /* leave this one empty */ \ |
| PVFS_ECANCEL, /* 1 */ \ |
| PVFS_EDEVINIT, /* 2 */ \ |
| PVFS_EDETAIL, /* 3 */ \ |
| PVFS_EHOSTNTFD, /* 4 */ \ |
| PVFS_EADDRNTFD, /* 5 */ \ |
| PVFS_ENORECVR, /* 6 */ \ |
| PVFS_ETRYAGAIN, /* 7 */ \ |
| PVFS_ENOTPVFS, /* 8 */ \ |
| PVFS_ESECURITY, /* 9 */ \ |
| } |
| |
| /* |
| * NOTE: PVFS_get_errno_mapping will convert a PVFS_ERROR_CODE to an |
| * errno value. If the error code is a pvfs2 specific error code |
| * (i.e. a PVFS_NON_ERRNO_ERROR_CODE), PVFS_get_errno_mapping will |
| * return an index into the PINT_non_errno_strerror_mapping array which |
| * can be used for getting the pvfs2 specific strerror message given |
| * the error code. if the value is not a recognized error code, the |
| * passed in value will be returned unchanged. |
| */ |
| #define DECLARE_ERRNO_MAPPING_AND_FN() \ |
| extern __s32 PINT_errno_mapping[]; \ |
| extern __s32 PINT_non_errno_mapping[]; \ |
| extern const char *PINT_non_errno_strerror_mapping[]; \ |
| static __s32 PVFS_get_errno_mapping(__s32 error) \ |
| { \ |
| __s32 ret = error, mask = 0; \ |
| __s32 positive = ((error > -1) ? 1 : 0); \ |
| if (IS_PVFS_NON_ERRNO_ERROR((positive ? error : -error))) { \ |
| mask = (PVFS_NON_ERRNO_ERROR_BIT | \ |
| PVFS_ERROR_BIT | \ |
| PVFS_ERROR_CLASS_BITS); \ |
| ret = PVFS_NON_ERRNO_ERROR_CODE(((positive ? \ |
| error : \ |
| abs(error))) & \ |
| ~mask); \ |
| } \ |
| else if (IS_PVFS_ERROR((positive ? error : -error))) { \ |
| mask = (PVFS_ERROR_BIT | \ |
| PVFS_ERROR_CLASS_BITS); \ |
| ret = PINT_errno_mapping[PVFS_ERROR_CODE(((positive ? \ |
| error : \ |
| abs(error))) & \ |
| ~mask)]; \ |
| } \ |
| return ret; \ |
| } \ |
| DECLARE_ERRNO_MAPPING() |
| |
| /* permission bits */ |
| #define PVFS_O_EXECUTE (1 << 0) |
| #define PVFS_O_WRITE (1 << 1) |
| #define PVFS_O_READ (1 << 2) |
| #define PVFS_G_EXECUTE (1 << 3) |
| #define PVFS_G_WRITE (1 << 4) |
| #define PVFS_G_READ (1 << 5) |
| #define PVFS_U_EXECUTE (1 << 6) |
| #define PVFS_U_WRITE (1 << 7) |
| #define PVFS_U_READ (1 << 8) |
| /* no PVFS_U_VTX (sticky bit) */ |
| #define PVFS_G_SGID (1 << 10) |
| #define PVFS_U_SUID (1 << 11) |
| |
| /* definition taken from stdint.h */ |
| #define INT32_MAX (2147483647) |
| #define PVFS_ITERATE_START (INT32_MAX - 1) |
| #define PVFS_ITERATE_END (INT32_MAX - 2) |
| #define PVFS_ITERATE_NEXT (INT32_MAX - 3) |
| #define PVFS_READDIR_START PVFS_ITERATE_START |
| #define PVFS_READDIR_END PVFS_ITERATE_END |
| #define PVFS_IMMUTABLE_FL FS_IMMUTABLE_FL |
| #define PVFS_APPEND_FL FS_APPEND_FL |
| #define PVFS_NOATIME_FL FS_NOATIME_FL |
| #define PVFS_MIRROR_FL 0x01000000ULL |
| #define PVFS_O_EXECUTE (1 << 0) |
| #define PVFS_FS_ID_NULL ((__s32)0) |
| #define PVFS_ATTR_SYS_UID (1 << 0) |
| #define PVFS_ATTR_SYS_GID (1 << 1) |
| #define PVFS_ATTR_SYS_PERM (1 << 2) |
| #define PVFS_ATTR_SYS_ATIME (1 << 3) |
| #define PVFS_ATTR_SYS_CTIME (1 << 4) |
| #define PVFS_ATTR_SYS_MTIME (1 << 5) |
| #define PVFS_ATTR_SYS_TYPE (1 << 6) |
| #define PVFS_ATTR_SYS_ATIME_SET (1 << 7) |
| #define PVFS_ATTR_SYS_MTIME_SET (1 << 8) |
| #define PVFS_ATTR_SYS_SIZE (1 << 20) |
| #define PVFS_ATTR_SYS_LNK_TARGET (1 << 24) |
| #define PVFS_ATTR_SYS_DFILE_COUNT (1 << 25) |
| #define PVFS_ATTR_SYS_DIRENT_COUNT (1 << 26) |
| #define PVFS_ATTR_SYS_BLKSIZE (1 << 28) |
| #define PVFS_ATTR_SYS_MIRROR_COPIES_COUNT (1 << 29) |
| #define PVFS_ATTR_SYS_COMMON_ALL \ |
| (PVFS_ATTR_SYS_UID | \ |
| PVFS_ATTR_SYS_GID | \ |
| PVFS_ATTR_SYS_PERM | \ |
| PVFS_ATTR_SYS_ATIME | \ |
| PVFS_ATTR_SYS_CTIME | \ |
| PVFS_ATTR_SYS_MTIME | \ |
| PVFS_ATTR_SYS_TYPE) |
| |
| #define PVFS_ATTR_SYS_ALL_SETABLE \ |
| (PVFS_ATTR_SYS_COMMON_ALL-PVFS_ATTR_SYS_TYPE) |
| |
| #define PVFS_ATTR_SYS_ALL_NOHINT \ |
| (PVFS_ATTR_SYS_COMMON_ALL | \ |
| PVFS_ATTR_SYS_SIZE | \ |
| PVFS_ATTR_SYS_LNK_TARGET | \ |
| PVFS_ATTR_SYS_DFILE_COUNT | \ |
| PVFS_ATTR_SYS_MIRROR_COPIES_COUNT | \ |
| PVFS_ATTR_SYS_DIRENT_COUNT | \ |
| PVFS_ATTR_SYS_BLKSIZE) |
| #define PVFS_XATTR_REPLACE 0x2 |
| #define PVFS_XATTR_CREATE 0x1 |
| #define PVFS_MAX_SERVER_ADDR_LEN 256 |
| #define PVFS_NAME_MAX 256 |
| /* |
| * max extended attribute name len as imposed by the VFS and exploited for the |
| * upcall request types. |
| * NOTE: Please retain them as multiples of 8 even if you wish to change them |
| * This is *NECESSARY* for supporting 32 bit user-space binaries on a 64-bit |
| * kernel. Due to implementation within DBPF, this really needs to be |
| * PVFS_NAME_MAX, which it was the same value as, but no reason to let it |
| * break if that changes in the future. |
| */ |
| #define PVFS_MAX_XATTR_NAMELEN PVFS_NAME_MAX /* Not the same as |
| * XATTR_NAME_MAX defined |
| * by <linux/xattr.h> |
| */ |
| #define PVFS_MAX_XATTR_VALUELEN 8192 /* Not the same as XATTR_SIZE_MAX |
| * defined by <linux/xattr.h> |
| */ |
| #define PVFS_MAX_XATTR_LISTLEN 16 /* Not the same as XATTR_LIST_MAX |
| * defined by <linux/xattr.h> |
| */ |
| /* |
| * PVFS I/O operation types, used in both system and server interfaces. |
| */ |
| enum PVFS_io_type { |
| PVFS_IO_READ = 1, |
| PVFS_IO_WRITE = 2 |
| }; |
| |
| /* |
| * If this enum is modified the server parameters related to the precreate pool |
| * batch and low threshold sizes may need to be modified to reflect this |
| * change. |
| */ |
| enum pvfs2_ds_type { |
| PVFS_TYPE_NONE = 0, |
| PVFS_TYPE_METAFILE = (1 << 0), |
| PVFS_TYPE_DATAFILE = (1 << 1), |
| PVFS_TYPE_DIRECTORY = (1 << 2), |
| PVFS_TYPE_SYMLINK = (1 << 3), |
| PVFS_TYPE_DIRDATA = (1 << 4), |
| PVFS_TYPE_INTERNAL = (1 << 5) /* for the server's private use */ |
| }; |
| |
| /* |
| * PVFS_certificate simply stores a buffer with the buffer size. |
| * The buffer can be converted to an OpenSSL X509 struct for use. |
| */ |
| struct PVFS_certificate { |
| __u32 buf_size; |
| unsigned char *buf; |
| }; |
| |
| /* |
| * A credential identifies a user and is signed by the client/user |
| * private key. |
| */ |
| struct PVFS_credential { |
| __u32 userid; /* user id */ |
| __u32 num_groups; /* length of group_array */ |
| __u32 *group_array; /* groups for which the user is a member */ |
| char *issuer; /* alias of the issuing server */ |
| __u64 timeout; /* seconds after epoch to time out */ |
| __u32 sig_size; /* length of the signature in bytes */ |
| unsigned char *signature; /* digital signature */ |
| struct PVFS_certificate certificate; /* user certificate buffer */ |
| }; |
| #define extra_size_PVFS_credential (PVFS_REQ_LIMIT_GROUPS * \ |
| sizeof(__u32) + \ |
| PVFS_REQ_LIMIT_ISSUER + \ |
| PVFS_REQ_LIMIT_SIGNATURE + \ |
| extra_size_PVFS_certificate) |
| |
| /* This structure is used by the VFS-client interaction alone */ |
| struct PVFS_keyval_pair { |
| char key[PVFS_MAX_XATTR_NAMELEN]; |
| __s32 key_sz; /* __s32 for portable, fixed-size structures */ |
| __s32 val_sz; |
| char val[PVFS_MAX_XATTR_VALUELEN]; |
| }; |
| |
| /* pvfs2-sysint.h ***********************************************************/ |
| /* Describes attributes for a file, directory, or symlink. */ |
| struct PVFS_sys_attr_s { |
| __u32 owner; |
| __u32 group; |
| __u32 perms; |
| __u64 atime; |
| __u64 mtime; |
| __u64 ctime; |
| __s64 size; |
| |
| /* NOTE: caller must free if valid */ |
| char *link_target; |
| |
| /* Changed to __s32 so that size of structure does not change */ |
| __s32 dfile_count; |
| |
| /* Changed to __s32 so that size of structure does not change */ |
| __s32 distr_dir_servers_initial; |
| |
| /* Changed to __s32 so that size of structure does not change */ |
| __s32 distr_dir_servers_max; |
| |
| /* Changed to __s32 so that size of structure does not change */ |
| __s32 distr_dir_split_size; |
| |
| __u32 mirror_copies_count; |
| |
| /* NOTE: caller must free if valid */ |
| char *dist_name; |
| |
| /* NOTE: caller must free if valid */ |
| char *dist_params; |
| |
| __s64 dirent_count; |
| enum pvfs2_ds_type objtype; |
| __u64 flags; |
| __u32 mask; |
| __s64 blksize; |
| }; |
| |
| #define PVFS2_LOOKUP_LINK_NO_FOLLOW 0 |
| #define PVFS2_LOOKUP_LINK_FOLLOW 1 |
| |
| /* pint-dev.h ***************************************************************/ |
| |
| /* parameter structure used in PVFS_DEV_DEBUG ioctl command */ |
| struct dev_mask_info_s { |
| enum { |
| KERNEL_MASK, |
| CLIENT_MASK, |
| } mask_type; |
| __u64 mask_value; |
| }; |
| |
| struct dev_mask2_info_s { |
| __u64 mask1_value; |
| __u64 mask2_value; |
| }; |
| |
| /* pvfs2-util.h *************************************************************/ |
| __s32 PVFS_util_translate_mode(int mode); |
| |
| /* pvfs2-debug.h ************************************************************/ |
| #include "pvfs2-debug.h" |
| |
| /* pvfs2-internal.h *********************************************************/ |
| #define llu(x) (unsigned long long)(x) |
| #define lld(x) (long long)(x) |
| |
| /* pint-dev-shared.h ********************************************************/ |
| #define PVFS_DEV_MAGIC 'k' |
| |
| #define PVFS2_READDIR_DEFAULT_DESC_COUNT 5 |
| |
| #define DEV_GET_MAGIC 0x1 |
| #define DEV_GET_MAX_UPSIZE 0x2 |
| #define DEV_GET_MAX_DOWNSIZE 0x3 |
| #define DEV_MAP 0x4 |
| #define DEV_REMOUNT_ALL 0x5 |
| #define DEV_DEBUG 0x6 |
| #define DEV_UPSTREAM 0x7 |
| #define DEV_CLIENT_MASK 0x8 |
| #define DEV_CLIENT_STRING 0x9 |
| #define DEV_MAX_NR 0xa |
| |
| /* supported ioctls, codes are with respect to user-space */ |
| enum { |
| PVFS_DEV_GET_MAGIC = _IOW(PVFS_DEV_MAGIC, DEV_GET_MAGIC, __s32), |
| PVFS_DEV_GET_MAX_UPSIZE = |
| _IOW(PVFS_DEV_MAGIC, DEV_GET_MAX_UPSIZE, __s32), |
| PVFS_DEV_GET_MAX_DOWNSIZE = |
| _IOW(PVFS_DEV_MAGIC, DEV_GET_MAX_DOWNSIZE, __s32), |
| PVFS_DEV_MAP = _IO(PVFS_DEV_MAGIC, DEV_MAP), |
| PVFS_DEV_REMOUNT_ALL = _IO(PVFS_DEV_MAGIC, DEV_REMOUNT_ALL), |
| PVFS_DEV_DEBUG = _IOR(PVFS_DEV_MAGIC, DEV_DEBUG, __s32), |
| PVFS_DEV_UPSTREAM = _IOW(PVFS_DEV_MAGIC, DEV_UPSTREAM, int), |
| PVFS_DEV_CLIENT_MASK = _IOW(PVFS_DEV_MAGIC, |
| DEV_CLIENT_MASK, |
| struct dev_mask2_info_s), |
| PVFS_DEV_CLIENT_STRING = _IOW(PVFS_DEV_MAGIC, |
| DEV_CLIENT_STRING, |
| char *), |
| PVFS_DEV_MAXNR = DEV_MAX_NR, |
| }; |
| |
| /* |
| * version number for use in communicating between kernel space and user |
| * space |
| */ |
| /* |
| #define PVFS_KERNEL_PROTO_VERSION \ |
| ((PVFS2_VERSION_MAJOR * 10000) + \ |
| (PVFS2_VERSION_MINOR * 100) + \ |
| PVFS2_VERSION_SUB) |
| */ |
| #define PVFS_KERNEL_PROTO_VERSION 0 |
| |
| /* |
| * describes memory regions to map in the PVFS_DEV_MAP ioctl. |
| * NOTE: See devpvfs2-req.c for 32 bit compat structure. |
| * Since this structure has a variable-sized layout that is different |
| * on 32 and 64 bit platforms, we need to normalize to a 64 bit layout |
| * on such systems before servicing ioctl calls from user-space binaries |
| * that may be 32 bit! |
| */ |
| struct PVFS_dev_map_desc { |
| void *ptr; |
| __s32 total_size; |
| __s32 size; |
| __s32 count; |
| }; |
| |
| /* gossip.h *****************************************************************/ |
| |
| #ifdef GOSSIP_DISABLE_DEBUG |
| #define gossip_debug(mask, format, f...) do {} while (0) |
| #else |
| extern __u64 gossip_debug_mask; |
| extern struct client_debug_mask client_debug_mask; |
| |
| /* try to avoid function call overhead by checking masks in macro */ |
| #define gossip_debug(mask, format, f...) \ |
| do { \ |
| if (gossip_debug_mask & mask) \ |
| printk(format, ##f); \ |
| } while (0) |
| #endif /* GOSSIP_DISABLE_DEBUG */ |
| |
| /* do file and line number printouts w/ the GNU preprocessor */ |
| #define gossip_ldebug(mask, format, f...) \ |
| gossip_debug(mask, "%s: " format, __func__, ##f) |
| |
| #define gossip_err printk |
| #define gossip_lerr(format, f...) \ |
| gossip_err("%s line %d: " format, \ |
| __FILE__, \ |
| __LINE__, \ |
| ##f) |