| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 |