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