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119 lines
2.9 KiB
119 lines
2.9 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* linux/include/linux/lockd/xdr.h |
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* |
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* XDR types for the NLM protocol |
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* |
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* Copyright (C) 1996 Olaf Kirch <[email protected]> |
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*/ |
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#ifndef LOCKD_XDR_H |
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#define LOCKD_XDR_H |
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#include <linux/fs.h> |
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#include <linux/nfs.h> |
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#include <linux/sunrpc/xdr.h> |
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#define SM_MAXSTRLEN 1024 |
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#define SM_PRIV_SIZE 16 |
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struct nsm_private { |
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unsigned char data[SM_PRIV_SIZE]; |
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}; |
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struct svc_rqst; |
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#define NLM_MAXCOOKIELEN 32 |
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#define NLM_MAXSTRLEN 1024 |
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#define nlm_granted cpu_to_be32(NLM_LCK_GRANTED) |
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#define nlm_lck_denied cpu_to_be32(NLM_LCK_DENIED) |
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#define nlm_lck_denied_nolocks cpu_to_be32(NLM_LCK_DENIED_NOLOCKS) |
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#define nlm_lck_blocked cpu_to_be32(NLM_LCK_BLOCKED) |
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#define nlm_lck_denied_grace_period cpu_to_be32(NLM_LCK_DENIED_GRACE_PERIOD) |
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#define nlm_drop_reply cpu_to_be32(30000) |
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/* Lock info passed via NLM */ |
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struct nlm_lock { |
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char * caller; |
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unsigned int len; /* length of "caller" */ |
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struct nfs_fh fh; |
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struct xdr_netobj oh; |
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u32 svid; |
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struct file_lock fl; |
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}; |
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/* |
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* NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes. |
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* FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to |
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* 32 bytes. |
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*/ |
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struct nlm_cookie |
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{ |
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unsigned char data[NLM_MAXCOOKIELEN]; |
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unsigned int len; |
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}; |
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/* |
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* Generic lockd arguments for all but sm_notify |
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*/ |
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struct nlm_args { |
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struct nlm_cookie cookie; |
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struct nlm_lock lock; |
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u32 block; |
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u32 reclaim; |
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u32 state; |
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u32 monitor; |
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u32 fsm_access; |
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u32 fsm_mode; |
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}; |
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typedef struct nlm_args nlm_args; |
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/* |
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* Generic lockd result |
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*/ |
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struct nlm_res { |
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struct nlm_cookie cookie; |
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__be32 status; |
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struct nlm_lock lock; |
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}; |
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/* |
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* statd callback when client has rebooted |
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*/ |
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struct nlm_reboot { |
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char *mon; |
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unsigned int len; |
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u32 state; |
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struct nsm_private priv; |
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}; |
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/* |
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* Contents of statd callback when monitored host rebooted |
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*/ |
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#define NLMSVC_XDRSIZE sizeof(struct nlm_args) |
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int nlmsvc_decode_testargs(struct svc_rqst *, __be32 *); |
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int nlmsvc_encode_testres(struct svc_rqst *, __be32 *); |
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int nlmsvc_decode_lockargs(struct svc_rqst *, __be32 *); |
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int nlmsvc_decode_cancargs(struct svc_rqst *, __be32 *); |
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int nlmsvc_decode_unlockargs(struct svc_rqst *, __be32 *); |
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int nlmsvc_encode_res(struct svc_rqst *, __be32 *); |
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int nlmsvc_decode_res(struct svc_rqst *, __be32 *); |
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int nlmsvc_encode_void(struct svc_rqst *, __be32 *); |
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int nlmsvc_decode_void(struct svc_rqst *, __be32 *); |
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int nlmsvc_decode_shareargs(struct svc_rqst *, __be32 *); |
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int nlmsvc_encode_shareres(struct svc_rqst *, __be32 *); |
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int nlmsvc_decode_notify(struct svc_rqst *, __be32 *); |
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int nlmsvc_decode_reboot(struct svc_rqst *, __be32 *); |
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/* |
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int nlmclt_encode_testargs(struct rpc_rqst *, u32 *, struct nlm_args *); |
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int nlmclt_encode_lockargs(struct rpc_rqst *, u32 *, struct nlm_args *); |
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int nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *); |
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int nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *); |
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*/ |
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#endif /* LOCKD_XDR_H */
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