1 /* SPDX-License-Identifier: GPL-2.0 */
3 * linux/include/linux/lockd/xdr.h
5 * XDR types for the NLM protocol
7 * Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
14 #include <linux/nfs.h>
15 #include <linux/sunrpc/xdr.h>
17 #define SM_MAXSTRLEN 1024
18 #define SM_PRIV_SIZE 16
21 unsigned char data[SM_PRIV_SIZE];
26 #define NLM_MAXCOOKIELEN 32
27 #define NLM_MAXSTRLEN 1024
29 #define nlm_granted cpu_to_be32(NLM_LCK_GRANTED)
30 #define nlm_lck_denied cpu_to_be32(NLM_LCK_DENIED)
31 #define nlm_lck_denied_nolocks cpu_to_be32(NLM_LCK_DENIED_NOLOCKS)
32 #define nlm_lck_blocked cpu_to_be32(NLM_LCK_BLOCKED)
33 #define nlm_lck_denied_grace_period cpu_to_be32(NLM_LCK_DENIED_GRACE_PERIOD)
35 #define nlm_drop_reply cpu_to_be32(30000)
37 /* Lock info passed via NLM */
40 unsigned int len; /* length of "caller" */
50 * NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes.
51 * FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to
57 unsigned char data[NLM_MAXCOOKIELEN];
62 * Generic lockd arguments for all but sm_notify
65 struct nlm_cookie cookie;
75 typedef struct nlm_args nlm_args;
78 * Generic lockd result
81 struct nlm_cookie cookie;
87 * statd callback when client has rebooted
93 struct nsm_private priv;
97 * Contents of statd callback when monitored host rebooted
99 #define NLMSVC_XDRSIZE sizeof(struct nlm_args)
101 bool nlmsvc_decode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr);
102 bool nlmsvc_decode_testargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
103 bool nlmsvc_decode_lockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
104 bool nlmsvc_decode_cancargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
105 bool nlmsvc_decode_unlockargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
106 bool nlmsvc_decode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr);
107 bool nlmsvc_decode_reboot(struct svc_rqst *rqstp, struct xdr_stream *xdr);
108 bool nlmsvc_decode_shareargs(struct svc_rqst *rqstp, struct xdr_stream *xdr);
109 bool nlmsvc_decode_notify(struct svc_rqst *rqstp, struct xdr_stream *xdr);
111 bool nlmsvc_encode_testres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
112 bool nlmsvc_encode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr);
113 bool nlmsvc_encode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr);
114 bool nlmsvc_encode_shareres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
116 #endif /* LOCKD_XDR_H */