Blame - include/linux/lockd/xdr.h - kernel/msm-4.9

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Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	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_MAXCOOKIELEN 32
				17	#define NLM_MAXSTRLEN 1024
				18
				19	#define nlm_granted __constant_htonl(NLM_LCK_GRANTED)
				20	#define nlm_lck_denied __constant_htonl(NLM_LCK_DENIED)
				21	#define nlm_lck_denied_nolocks __constant_htonl(NLM_LCK_DENIED_NOLOCKS)
				22	#define nlm_lck_blocked __constant_htonl(NLM_LCK_BLOCKED)
				23	#define nlm_lck_denied_grace_period __constant_htonl(NLM_LCK_DENIED_GRACE_PERIOD)
				24
				25	/* Lock info passed via NLM */
				26	struct nlm_lock {
				27	char * caller;
				28	int len; /* length of "caller" */
				29	struct nfs_fh fh;
				30	struct xdr_netobj oh;
Trond Myklebust	7bab377	2006-03-20 13:44:06 -0500	[diff] [blame]	31	u32 svid;
Linus Torvalds	1da177e	2005-04-16 15:20:36 -0700	[diff] [blame]	32	struct file_lock fl;
				33	};
				34
				35	/*
				36	* NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes.
				37	* FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to
				38	* 32 bytes.
				39	*/
				40
				41	struct nlm_cookie
				42	{
				43	unsigned char data[NLM_MAXCOOKIELEN];
				44	unsigned int len;
				45	};
				46
				47	/*
				48	* Generic lockd arguments for all but sm_notify
				49	*/
				50	struct nlm_args {
				51	struct nlm_cookie cookie;
				52	struct nlm_lock lock;
				53	u32 block;
				54	u32 reclaim;
				55	u32 state;
				56	u32 monitor;
				57	u32 fsm_access;
				58	u32 fsm_mode;
				59	};
				60
				61	typedef struct nlm_args nlm_args;
				62
				63	/*
				64	* Generic lockd result
				65	*/
				66	struct nlm_res {
				67	struct nlm_cookie cookie;
				68	u32 status;
				69	struct nlm_lock lock;
				70	};
				71
				72	/*
				73	* statd callback when client has rebooted
				74	*/
				75	struct nlm_reboot {
				76	char * mon;
				77	int len;
				78	u32 state;
				79	u32 addr;
				80	u32 vers;
				81	u32 proto;
				82	};
				83
				84	/*
				85	* Contents of statd callback when monitored host rebooted
				86	*/
				87	#define NLMSVC_XDRSIZE sizeof(struct nlm_args)
				88
				89	int nlmsvc_decode_testargs(struct svc_rqst , u32 , struct nlm_args *);
				90	int nlmsvc_encode_testres(struct svc_rqst , u32 , struct nlm_res *);
				91	int nlmsvc_decode_lockargs(struct svc_rqst , u32 , struct nlm_args *);
				92	int nlmsvc_decode_cancargs(struct svc_rqst , u32 , struct nlm_args *);
				93	int nlmsvc_decode_unlockargs(struct svc_rqst , u32 , struct nlm_args *);
				94	int nlmsvc_encode_res(struct svc_rqst , u32 , struct nlm_res *);
				95	int nlmsvc_decode_res(struct svc_rqst , u32 , struct nlm_res *);
				96	int nlmsvc_encode_void(struct svc_rqst , u32 , void *);
				97	int nlmsvc_decode_void(struct svc_rqst , u32 , void *);
				98	int nlmsvc_decode_shareargs(struct svc_rqst , u32 , struct nlm_args *);
				99	int nlmsvc_encode_shareres(struct svc_rqst , u32 , struct nlm_res *);
				100	int nlmsvc_decode_notify(struct svc_rqst , u32 , struct nlm_args *);
				101	int nlmsvc_decode_reboot(struct svc_rqst , u32 , struct nlm_reboot *);
				102	/*
				103	int nlmclt_encode_testargs(struct rpc_rqst , u32 , struct nlm_args *);
				104	int nlmclt_encode_lockargs(struct rpc_rqst , u32 , struct nlm_args *);
				105	int nlmclt_encode_cancargs(struct rpc_rqst , u32 , struct nlm_args *);
				106	int nlmclt_encode_unlockargs(struct rpc_rqst , u32 , struct nlm_args *);
				107	*/
				108
				109	#endif /* LOCKD_XDR_H */