diff options
Diffstat (limited to 'include/linux/coda_psdev.h')
| -rw-r--r-- | include/linux/coda_psdev.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/include/linux/coda_psdev.h b/include/linux/coda_psdev.h new file mode 100644 index 000000000000..d539262a8f89 --- /dev/null +++ b/include/linux/coda_psdev.h | |||
| @@ -0,0 +1,103 @@ | |||
| 1 | #ifndef __CODA_PSDEV_H | ||
| 2 | #define __CODA_PSDEV_H | ||
| 3 | |||
| 4 | #define CODA_PSDEV_MAJOR 67 | ||
| 5 | #define MAX_CODADEVS 5 /* how many do we allow */ | ||
| 6 | |||
| 7 | #define CODA_SUPER_MAGIC 0x73757245 | ||
| 8 | |||
| 9 | struct kstatfs; | ||
| 10 | |||
| 11 | struct coda_sb_info | ||
| 12 | { | ||
| 13 | struct venus_comm *sbi_vcomm; | ||
| 14 | }; | ||
| 15 | |||
| 16 | /* communication pending/processing queues */ | ||
| 17 | struct venus_comm { | ||
| 18 | u_long vc_seq; | ||
| 19 | wait_queue_head_t vc_waitq; /* Venus wait queue */ | ||
| 20 | struct list_head vc_pending; | ||
| 21 | struct list_head vc_processing; | ||
| 22 | int vc_inuse; | ||
| 23 | struct super_block *vc_sb; | ||
| 24 | }; | ||
| 25 | |||
| 26 | |||
| 27 | static inline struct coda_sb_info *coda_sbp(struct super_block *sb) | ||
| 28 | { | ||
| 29 | return ((struct coda_sb_info *)((sb)->s_fs_info)); | ||
| 30 | } | ||
| 31 | |||
| 32 | |||
| 33 | /* upcalls */ | ||
| 34 | int venus_rootfid(struct super_block *sb, struct CodaFid *fidp); | ||
| 35 | int venus_getattr(struct super_block *sb, struct CodaFid *fid, | ||
| 36 | struct coda_vattr *attr); | ||
| 37 | int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *); | ||
| 38 | int venus_lookup(struct super_block *sb, struct CodaFid *fid, | ||
| 39 | const char *name, int length, int *type, | ||
| 40 | struct CodaFid *resfid); | ||
| 41 | int venus_store(struct super_block *sb, struct CodaFid *fid, int flags, | ||
| 42 | vuid_t uid); | ||
| 43 | int venus_release(struct super_block *sb, struct CodaFid *fid, int flags); | ||
| 44 | int venus_close(struct super_block *sb, struct CodaFid *fid, int flags, | ||
| 45 | vuid_t uid); | ||
| 46 | int venus_open(struct super_block *sb, struct CodaFid *fid, int flags, | ||
| 47 | struct file **f); | ||
| 48 | int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid, | ||
| 49 | const char *name, int length, | ||
| 50 | struct CodaFid *newfid, struct coda_vattr *attrs); | ||
| 51 | int venus_create(struct super_block *sb, struct CodaFid *dirfid, | ||
| 52 | const char *name, int length, int excl, int mode, | ||
| 53 | struct CodaFid *newfid, struct coda_vattr *attrs) ; | ||
| 54 | int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid, | ||
| 55 | const char *name, int length); | ||
| 56 | int venus_remove(struct super_block *sb, struct CodaFid *dirfid, | ||
| 57 | const char *name, int length); | ||
| 58 | int venus_readlink(struct super_block *sb, struct CodaFid *fid, | ||
| 59 | char *buffer, int *length); | ||
| 60 | int venus_rename(struct super_block *, struct CodaFid *new_fid, | ||
| 61 | struct CodaFid *old_fid, size_t old_length, | ||
| 62 | size_t new_length, const char *old_name, | ||
| 63 | const char *new_name); | ||
| 64 | int venus_link(struct super_block *sb, struct CodaFid *fid, | ||
| 65 | struct CodaFid *dirfid, const char *name, int len ); | ||
| 66 | int venus_symlink(struct super_block *sb, struct CodaFid *fid, | ||
| 67 | const char *name, int len, const char *symname, int symlen); | ||
| 68 | int venus_access(struct super_block *sb, struct CodaFid *fid, int mask); | ||
| 69 | int venus_pioctl(struct super_block *sb, struct CodaFid *fid, | ||
| 70 | unsigned int cmd, struct PioctlData *data); | ||
| 71 | int coda_downcall(int opcode, union outputArgs *out, struct super_block *sb); | ||
| 72 | int venus_fsync(struct super_block *sb, struct CodaFid *fid); | ||
| 73 | int venus_statfs(struct super_block *sb, struct kstatfs *sfs); | ||
| 74 | |||
| 75 | |||
| 76 | /* messages between coda filesystem in kernel and Venus */ | ||
| 77 | extern int coda_hard; | ||
| 78 | extern unsigned long coda_timeout; | ||
| 79 | struct upc_req { | ||
| 80 | struct list_head uc_chain; | ||
| 81 | caddr_t uc_data; | ||
| 82 | u_short uc_flags; | ||
| 83 | u_short uc_inSize; /* Size is at most 5000 bytes */ | ||
| 84 | u_short uc_outSize; | ||
| 85 | u_short uc_opcode; /* copied from data to save lookup */ | ||
| 86 | int uc_unique; | ||
| 87 | wait_queue_head_t uc_sleep; /* process' wait queue */ | ||
| 88 | unsigned long uc_posttime; | ||
| 89 | }; | ||
| 90 | |||
| 91 | #define REQ_ASYNC 0x1 | ||
| 92 | #define REQ_READ 0x2 | ||
| 93 | #define REQ_WRITE 0x4 | ||
| 94 | #define REQ_ABORT 0x8 | ||
| 95 | |||
| 96 | |||
| 97 | /* | ||
| 98 | * Statistics | ||
| 99 | */ | ||
| 100 | |||
| 101 | extern struct venus_comm coda_comms[]; | ||
| 102 | |||
| 103 | #endif | ||
