WebSVN - shark - Blame - Rev 1618 - /shark/branches/xen/drivers/linuxc26/include/linux/lockd/xdr.h

Rev	Author	Line No.	Line
424	giacomo	1	/*
		2	* linux/include/linux/lockd/xdr.h
		3	*
		4	* XDR types for the NLM protocol
		5	*
		6	* Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
		7	*/
		8
		9	#ifndef LOCKD_XDR_H
		10	#define LOCKD_XDR_H
		11
		12	#include <linux/fs.h>
		13	#include <linux/nfs.h>
		14	#include <linux/sunrpc/xdr.h>
		15
		16	#define NLM_MAXSTRLEN 1024
		17
		18	#define QUADLEN(len) (((len) + 3) >> 2)
		19
		20	#define nlm_granted __constant_htonl(NLM_LCK_GRANTED)
		21	#define nlm_lck_denied __constant_htonl(NLM_LCK_DENIED)
		22	#define nlm_lck_denied_nolocks __constant_htonl(NLM_LCK_DENIED_NOLOCKS)
		23	#define nlm_lck_blocked __constant_htonl(NLM_LCK_BLOCKED)
		24	#define nlm_lck_denied_grace_period __constant_htonl(NLM_LCK_DENIED_GRACE_PERIOD)
		25
		26	/* Lock info passed via NLM */
		27	struct nlm_lock {
		28	char * caller;
		29	int len; /* length of "caller" */
		30	struct nfs_fh fh;
		31	struct xdr_netobj oh;
		32	struct file_lock fl;
		33	};
		34
		35	/*
		36	* NLM cookies. Technically they can be 1K, Nobody uses over 8 bytes
		37	* however.
		38	*/
		39
		40	struct nlm_cookie
		41	{
		42	unsigned char data[8];
		43	unsigned int len;
		44	};
		45
		46	/*
		47	* Generic lockd arguments for all but sm_notify
		48	*/
		49	struct nlm_args {
		50	struct nlm_cookie cookie;
		51	struct nlm_lock lock;
		52	u32 block;
		53	u32 reclaim;
		54	u32 state;
		55	u32 monitor;
		56	u32 fsm_access;
		57	u32 fsm_mode;
		58	};
		59
		60	typedef struct nlm_args nlm_args;
		61
		62	/*
		63	* Generic lockd result
		64	*/
		65	struct nlm_res {
		66	struct nlm_cookie cookie;
		67	u32 status;
		68	struct nlm_lock lock;
		69	};
		70
		71	/*
		72	* statd callback when client has rebooted
		73	*/
		74	struct nlm_reboot {
		75	char * mon;
		76	int len;
		77	u32 state;
		78	u32 addr;
		79	u32 vers;
		80	u32 proto;
		81	};
		82
		83	/*
		84	* Contents of statd callback when monitored host rebooted
		85	*/
		86	#define NLMSVC_XDRSIZE sizeof(struct nlm_args)
		87
		88	int nlmsvc_decode_testargs(struct svc_rqst , u32 , struct nlm_args *);
		89	int nlmsvc_encode_testres(struct svc_rqst , u32 , struct nlm_res *);
		90	int nlmsvc_decode_lockargs(struct svc_rqst , u32 , struct nlm_args *);
		91	int nlmsvc_decode_cancargs(struct svc_rqst , u32 , struct nlm_args *);
		92	int nlmsvc_decode_unlockargs(struct svc_rqst , u32 , struct nlm_args *);
		93	int nlmsvc_encode_res(struct svc_rqst , u32 , struct nlm_res *);
		94	int nlmsvc_decode_res(struct svc_rqst , u32 , struct nlm_res *);
		95	int nlmsvc_encode_void(struct svc_rqst , u32 , void *);
		96	int nlmsvc_decode_void(struct svc_rqst , u32 , void *);
		97	int nlmsvc_decode_shareargs(struct svc_rqst , u32 , struct nlm_args *);
		98	int nlmsvc_encode_shareres(struct svc_rqst , u32 , struct nlm_res *);
		99	int nlmsvc_decode_notify(struct svc_rqst , u32 , struct nlm_args *);
		100	int nlmsvc_decode_reboot(struct svc_rqst , u32 , struct nlm_reboot *);
		101	/*
		102	int nlmclt_encode_testargs(struct rpc_rqst , u32 , struct nlm_args *);
		103	int nlmclt_encode_lockargs(struct rpc_rqst , u32 , struct nlm_args *);
		104	int nlmclt_encode_cancargs(struct rpc_rqst , u32 , struct nlm_args *);
		105	int nlmclt_encode_unlockargs(struct rpc_rqst , u32 , struct nlm_args *);
		106	*/
		107
		108	#endif /* LOCKD_XDR_H */

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