[net-next-2.6.git] / include / linux / coda_psdev.h

#ifndef __CODA_PSDEV_H
#define __CODA_PSDEV_H

#define CODA_PSDEV_MAJOR 67
#define MAX_CODADEVS  5	   /* how many do we allow */

#define CODA_SUPER_MAGIC	0x73757245

struct kstatfs;

struct coda_sb_info
{
	struct venus_comm *sbi_vcomm;
};

/* communication pending/processing queues */
struct venus_comm {
	u_long		    vc_seq;
	wait_queue_head_t   vc_waitq; /* Venus wait queue */
	struct list_head    vc_pending;
	struct list_head    vc_processing;
	int                 vc_inuse;
	struct super_block *vc_sb;
};


static inline struct coda_sb_info *coda_sbp(struct super_block *sb)
{
    return ((struct coda_sb_info *)((sb)->s_fs_info));
}


/* upcalls */
int venus_rootfid(struct super_block *sb, struct CodaFid *fidp);
int venus_getattr(struct super_block *sb, struct CodaFid *fid,
		  struct coda_vattr *attr);
int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *);
int venus_lookup(struct super_block *sb, struct CodaFid *fid, 
		 const char *name, int length, int *type, 
		 struct CodaFid *resfid);
int venus_store(struct super_block *sb, struct CodaFid *fid, int flags,
		vuid_t uid);
int venus_release(struct super_block *sb, struct CodaFid *fid, int flags);
int venus_close(struct super_block *sb, struct CodaFid *fid, int flags,
		vuid_t uid);
int venus_open(struct super_block *sb, struct CodaFid *fid, int flags,
	       struct file **f);
int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid, 
		const char *name, int length, 
		struct CodaFid *newfid, struct coda_vattr *attrs);
int venus_create(struct super_block *sb, struct CodaFid *dirfid, 
		 const char *name, int length, int excl, int mode,
		 struct CodaFid *newfid, struct coda_vattr *attrs) ;
int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid, 
		const char *name, int length);
int venus_remove(struct super_block *sb, struct CodaFid *dirfid, 
		 const char *name, int length);
int venus_readlink(struct super_block *sb, struct CodaFid *fid, 
		   char *buffer, int *length);
int venus_rename(struct super_block *, struct CodaFid *new_fid, 
		 struct CodaFid *old_fid, size_t old_length, 
		 size_t new_length, const char *old_name, 
		 const char *new_name);
int venus_link(struct super_block *sb, struct CodaFid *fid, 
		  struct CodaFid *dirfid, const char *name, int len );
int venus_symlink(struct super_block *sb, struct CodaFid *fid,
		  const char *name, int len, const char *symname, int symlen);
int venus_access(struct super_block *sb, struct CodaFid *fid, int mask);
int venus_pioctl(struct super_block *sb, struct CodaFid *fid,
		 unsigned int cmd, struct PioctlData *data);
int coda_downcall(int opcode, union outputArgs *out, struct super_block *sb);
int venus_fsync(struct super_block *sb, struct CodaFid *fid);
int venus_statfs(struct super_block *sb, struct kstatfs *sfs);


/* messages between coda filesystem in kernel and Venus */
extern int coda_hard;
extern unsigned long coda_timeout;
struct upc_req {
	struct list_head    uc_chain;
	caddr_t	            uc_data;
	u_short	            uc_flags;
	u_short             uc_inSize;  /* Size is at most 5000 bytes */
	u_short	            uc_outSize;
	u_short	            uc_opcode;  /* copied from data to save lookup */
	int		    uc_unique;
	wait_queue_head_t   uc_sleep;   /* process' wait queue */
	unsigned long       uc_posttime;
};

#define REQ_ASYNC  0x1
#define REQ_READ   0x2
#define REQ_WRITE  0x4
#define REQ_ABORT  0x8


/*
 * Statistics
 */

extern struct venus_comm coda_comms[];

#endif
Commit	Line	Data
1da177e4 LT	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