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