Release 4.12 include/linux/lockd/xdr.h
/*
* linux/include/linux/lockd/xdr.h
*
* XDR types for the NLM protocol
*
* Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
*/
#ifndef LOCKD_XDR_H
#define LOCKD_XDR_H
#include <linux/fs.h>
#include <linux/nfs.h>
#include <linux/sunrpc/xdr.h>
#define SM_MAXSTRLEN 1024
#define SM_PRIV_SIZE 16
struct nsm_private {
unsigned char data[SM_PRIV_SIZE];
};
struct svc_rqst;
#define NLM_MAXCOOKIELEN 32
#define NLM_MAXSTRLEN 1024
#define nlm_granted cpu_to_be32(NLM_LCK_GRANTED)
#define nlm_lck_denied cpu_to_be32(NLM_LCK_DENIED)
#define nlm_lck_denied_nolocks cpu_to_be32(NLM_LCK_DENIED_NOLOCKS)
#define nlm_lck_blocked cpu_to_be32(NLM_LCK_BLOCKED)
#define nlm_lck_denied_grace_period cpu_to_be32(NLM_LCK_DENIED_GRACE_PERIOD)
#define nlm_drop_reply cpu_to_be32(30000)
/* Lock info passed via NLM */
struct nlm_lock {
char * caller;
unsigned int len; /* length of "caller" */
struct nfs_fh fh;
struct xdr_netobj oh;
u32 svid;
struct file_lock fl;
};
/*
* NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes.
* FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to
* 32 bytes.
*/
struct nlm_cookie
{
unsigned char data[NLM_MAXCOOKIELEN];
unsigned int len;
};
/*
* Generic lockd arguments for all but sm_notify
*/
struct nlm_args {
struct nlm_cookie cookie;
struct nlm_lock lock;
u32 block;
u32 reclaim;
u32 state;
u32 monitor;
u32 fsm_access;
u32 fsm_mode;
};
typedef struct nlm_args nlm_args;
/*
* Generic lockd result
*/
struct nlm_res {
struct nlm_cookie cookie;
__be32 status;
struct nlm_lock lock;
};
/*
* statd callback when client has rebooted
*/
struct nlm_reboot {
char *mon;
unsigned int len;
u32 state;
struct nsm_private priv;
};
/*
* Contents of statd callback when monitored host rebooted
*/
#define NLMSVC_XDRSIZE sizeof(struct nlm_args)
int nlmsvc_decode_testargs(struct svc_rqst *, __be32 *, struct nlm_args *);
int nlmsvc_encode_testres(struct svc_rqst *, __be32 *, struct nlm_res *);
int nlmsvc_decode_lockargs(struct svc_rqst *, __be32 *, struct nlm_args *);
int nlmsvc_decode_cancargs(struct svc_rqst *, __be32 *, struct nlm_args *);
int nlmsvc_decode_unlockargs(struct svc_rqst *, __be32 *, struct nlm_args *);
int nlmsvc_encode_res(struct svc_rqst *, __be32 *, struct nlm_res *);
int nlmsvc_decode_res(struct svc_rqst *, __be32 *, struct nlm_res *);
int nlmsvc_encode_void(struct svc_rqst *, __be32 *, void *);
int nlmsvc_decode_void(struct svc_rqst *, __be32 *, void *);
int nlmsvc_decode_shareargs(struct svc_rqst *, __be32 *, struct nlm_args *);
int nlmsvc_encode_shareres(struct svc_rqst *, __be32 *, struct nlm_res *);
int nlmsvc_decode_notify(struct svc_rqst *, __be32 *, struct nlm_args *);
int nlmsvc_decode_reboot(struct svc_rqst *, __be32 *, struct nlm_reboot *);
/*
int nlmclt_encode_testargs(struct rpc_rqst *, u32 *, struct nlm_args *);
int nlmclt_encode_lockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
int nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *);
int nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
*/
#endif /* LOCKD_XDR_H */
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