1 /* SPDX-License-Identifier: GPL-2.0 */ 1
2 /*
3 * linux/include/linux/lockd/xdr.h
4 *
5 * XDR types for the NLM protocol
6 *
7 * Copyright (C) 1996 Olaf Kirch <okir@monad.s
8 */
9
10 #ifndef LOCKD_XDR_H
11 #define LOCKD_XDR_H
12
13 #include <linux/fs.h>
14 #include <linux/nfs.h>
15 #include <linux/sunrpc/xdr.h>
16
17 #define SM_MAXSTRLEN 1024
18 #define SM_PRIV_SIZE 16
19
20 struct nsm_private {
21 unsigned char data[SM_PRIV_S
22 };
23
24 struct svc_rqst;
25
26 #define NLM_MAXCOOKIELEN 32
27 #define NLM_MAXSTRLEN 1024
28
29 #define nlm_granted cpu_to_be32(NL
30 #define nlm_lck_denied cpu_to_be32(NL
31 #define nlm_lck_denied_nolocks cpu_to_be32(NL
32 #define nlm_lck_blocked cpu_to_be32(NL
33 #define nlm_lck_denied_grace_period cpu_to
34
35 #define nlm_drop_reply cpu_to_be32(30
36
37 /* Lock info passed via NLM */
38 struct nlm_lock {
39 char * caller;
40 unsigned int len; /* len
41 struct nfs_fh fh;
42 struct xdr_netobj oh;
43 u32 svid;
44 struct file_lock fl;
45 };
46
47 /*
48 * NLM cookies. Technically they can be 1
49 * FreeBSD uses 16, Apple Mac OS X 10.3 u
50 * 32 bytes.
51 */
52
53 struct nlm_cookie
54 {
55 unsigned char data[NLM_MAXCOOKIELEN];
56 unsigned int len;
57 };
58
59 /*
60 * Generic lockd arguments for all but sm_noti
61 */
62 struct nlm_args {
63 struct nlm_cookie cookie;
64 struct nlm_lock lock;
65 u32 block;
66 u32 reclaim;
67 u32 state;
68 u32 monitor;
69 u32 fsm_access;
70 u32 fsm_mode;
71 };
72
73 typedef struct nlm_args nlm_args;
74
75 /*
76 * Generic lockd result
77 */
78 struct nlm_res {
79 struct nlm_cookie cookie;
80 __be32 status;
81 struct nlm_lock lock;
82 };
83
84 /*
85 * statd callback when client has rebooted
86 */
87 struct nlm_reboot {
88 char *mon;
89 unsigned int len;
90 u32 state;
91 struct nsm_private priv;
92 };
93
94 /*
95 * Contents of statd callback when monitored h
96 */
97 #define NLMSVC_XDRSIZE sizeof(struct
98
99 int nlmsvc_decode_testargs(struct svc_rqst
100 int nlmsvc_encode_testres(struct svc_rqst
101 int nlmsvc_decode_lockargs(struct svc_rqst
102 int nlmsvc_decode_cancargs(struct svc_rqst
103 int nlmsvc_decode_unlockargs(struct svc_rq
104 int nlmsvc_encode_res(struct svc_rqst *, _
105 int nlmsvc_decode_res(struct svc_rqst *, _
106 int nlmsvc_encode_void(struct svc_rqst *,
107 int nlmsvc_decode_void(struct svc_rqst *,
108 int nlmsvc_decode_shareargs(struct svc_rqs
109 int nlmsvc_encode_shareres(struct svc_rqst
110 int nlmsvc_decode_notify(struct svc_rqst *
111 int nlmsvc_decode_reboot(struct svc_rqst *
112 /*
113 int nlmclt_encode_testargs(struct rpc_rqst
114 int nlmclt_encode_lockargs(struct rpc_rqst
115 int nlmclt_encode_cancargs(struct rpc_rqst
116 int nlmclt_encode_unlockargs(struct rpc_rq
117 */
118
119 #endif /* LOCKD_XDR_H */
120
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