Commit | Line | Data |
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1da177e4 LT |
1 | #ifndef __CODA_PSDEV_H |
2 | #define __CODA_PSDEV_H | |
3 | ||
e18fa700 JG |
4 | #include <linux/magic.h> |
5 | ||
1da177e4 LT |
6 | #define CODA_PSDEV_MAJOR 67 |
7 | #define MAX_CODADEVS 5 /* how many do we allow */ | |
8 | ||
f2cddb29 | 9 | #ifdef __KERNEL__ |
33f60e96 | 10 | #include <linux/backing-dev.h> |
da47c19e | 11 | #include <linux/mutex.h> |
33f60e96 | 12 | |
1da177e4 LT |
13 | struct kstatfs; |
14 | ||
1da177e4 LT |
15 | /* communication pending/processing queues */ |
16 | struct venus_comm { | |
17 | u_long vc_seq; | |
18 | wait_queue_head_t vc_waitq; /* Venus wait queue */ | |
19 | struct list_head vc_pending; | |
20 | struct list_head vc_processing; | |
21 | int vc_inuse; | |
22 | struct super_block *vc_sb; | |
5163d900 | 23 | struct backing_dev_info bdi; |
da47c19e | 24 | struct mutex vc_mutex; |
1da177e4 LT |
25 | }; |
26 | ||
27 | ||
a1b0aa87 | 28 | static inline struct venus_comm *coda_vcp(struct super_block *sb) |
1da177e4 | 29 | { |
a1b0aa87 | 30 | return (struct venus_comm *)((sb)->s_fs_info); |
1da177e4 LT |
31 | } |
32 | ||
1da177e4 LT |
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); | |
1da177e4 LT |
41 | int venus_close(struct super_block *sb, struct CodaFid *fid, int flags, |
42 | vuid_t uid); | |
43 | int venus_open(struct super_block *sb, struct CodaFid *fid, int flags, | |
44 | struct file **f); | |
45 | int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid, | |
46 | const char *name, int length, | |
47 | struct CodaFid *newfid, struct coda_vattr *attrs); | |
48 | int venus_create(struct super_block *sb, struct CodaFid *dirfid, | |
49 | const char *name, int length, int excl, int mode, | |
50 | struct CodaFid *newfid, struct coda_vattr *attrs) ; | |
51 | int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid, | |
52 | const char *name, int length); | |
53 | int venus_remove(struct super_block *sb, struct CodaFid *dirfid, | |
54 | const char *name, int length); | |
55 | int venus_readlink(struct super_block *sb, struct CodaFid *fid, | |
56 | char *buffer, int *length); | |
57 | int venus_rename(struct super_block *, struct CodaFid *new_fid, | |
58 | struct CodaFid *old_fid, size_t old_length, | |
59 | size_t new_length, const char *old_name, | |
60 | const char *new_name); | |
61 | int venus_link(struct super_block *sb, struct CodaFid *fid, | |
62 | struct CodaFid *dirfid, const char *name, int len ); | |
63 | int venus_symlink(struct super_block *sb, struct CodaFid *fid, | |
64 | const char *name, int len, const char *symname, int symlen); | |
65 | int venus_access(struct super_block *sb, struct CodaFid *fid, int mask); | |
66 | int venus_pioctl(struct super_block *sb, struct CodaFid *fid, | |
67 | unsigned int cmd, struct PioctlData *data); | |
f7cc02b8 | 68 | int coda_downcall(struct venus_comm *vcp, int opcode, union outputArgs *out); |
1da177e4 | 69 | int venus_fsync(struct super_block *sb, struct CodaFid *fid); |
726c3342 | 70 | int venus_statfs(struct dentry *dentry, struct kstatfs *sfs); |
1da177e4 | 71 | |
7e7f4eae JSR |
72 | /* |
73 | * Statistics | |
74 | */ | |
75 | ||
76 | extern struct venus_comm coda_comms[]; | |
77 | #endif /* __KERNEL__ */ | |
1da177e4 LT |
78 | |
79 | /* messages between coda filesystem in kernel and Venus */ | |
1da177e4 LT |
80 | struct upc_req { |
81 | struct list_head uc_chain; | |
82 | caddr_t uc_data; | |
83 | u_short uc_flags; | |
84 | u_short uc_inSize; /* Size is at most 5000 bytes */ | |
85 | u_short uc_outSize; | |
86 | u_short uc_opcode; /* copied from data to save lookup */ | |
87 | int uc_unique; | |
88 | wait_queue_head_t uc_sleep; /* process' wait queue */ | |
1da177e4 LT |
89 | }; |
90 | ||
4aeefdc6 JA |
91 | #define CODA_REQ_ASYNC 0x1 |
92 | #define CODA_REQ_READ 0x2 | |
93 | #define CODA_REQ_WRITE 0x4 | |
94 | #define CODA_REQ_ABORT 0x8 | |
1da177e4 | 95 | |
1da177e4 | 96 | #endif |