Subversion Repositories shark

Rev

Rev 422 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
422 giacomo 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, dev_t rdev,
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