linux/fs/nfs/callback.h
Trond Myklebust a72b44222d NFSv4: Allow user to set the port used by the NFSv4 callback channel
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2006-01-06 14:58:52 -05:00

72 lines
1.4 KiB
C

/*
* linux/fs/nfs/callback.h
*
* Copyright (C) 2004 Trond Myklebust
*
* NFSv4 callback definitions
*/
#ifndef __LINUX_FS_NFS_CALLBACK_H
#define __LINUX_FS_NFS_CALLBACK_H
#define NFS4_CALLBACK 0x40000000
#define NFS4_CALLBACK_XDRSIZE 2048
#define NFS4_CALLBACK_BUFSIZE (1024 + NFS4_CALLBACK_XDRSIZE)
enum nfs4_callback_procnum {
CB_NULL = 0,
CB_COMPOUND = 1,
};
enum nfs4_callback_opnum {
OP_CB_GETATTR = 3,
OP_CB_RECALL = 4,
OP_CB_ILLEGAL = 10044,
};
struct cb_compound_hdr_arg {
int taglen;
const char *tag;
unsigned int callback_ident;
unsigned nops;
};
struct cb_compound_hdr_res {
uint32_t *status;
int taglen;
const char *tag;
uint32_t *nops;
};
struct cb_getattrargs {
struct sockaddr_in *addr;
struct nfs_fh fh;
uint32_t bitmap[2];
};
struct cb_getattrres {
uint32_t status;
uint32_t bitmap[2];
uint64_t size;
uint64_t change_attr;
struct timespec ctime;
struct timespec mtime;
};
struct cb_recallargs {
struct sockaddr_in *addr;
struct nfs_fh fh;
nfs4_stateid stateid;
uint32_t truncate;
};
extern unsigned nfs4_callback_getattr(struct cb_getattrargs *args, struct cb_getattrres *res);
extern unsigned nfs4_callback_recall(struct cb_recallargs *args, void *dummy);
extern int nfs_callback_up(void);
extern int nfs_callback_down(void);
extern unsigned int nfs_callback_set_tcpport;
extern unsigned short nfs_callback_tcpport;
#endif /* __LINUX_FS_NFS_CALLBACK_H */