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

#ifndef __CODA_PSDEV_H
#define __CODA_PSDEV_H

#include <linux/magic.h>

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

struct kstatfs;

/* 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 venus_comm *coda_vcp(struct super_block *sb)
{
	return (struct venus_comm *)((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 dentry *dentry, 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 */
};

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