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