1 /* SPDX-License-Identifier: GPL-2.0 */ <<
2 /* 1 /*
3 * linux/include/linux/lockd/xdr.h 2 * linux/include/linux/lockd/xdr.h
4 * 3 *
5 * XDR types for the NLM protocol 4 * XDR types for the NLM protocol
6 * 5 *
7 * Copyright (C) 1996 Olaf Kirch <okir@monad.s 6 * Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
8 */ 7 */
9 8
10 #ifndef LOCKD_XDR_H 9 #ifndef LOCKD_XDR_H
11 #define LOCKD_XDR_H 10 #define LOCKD_XDR_H
12 11
13 #include <linux/fs.h> 12 #include <linux/fs.h>
14 #include <linux/nfs.h> 13 #include <linux/nfs.h>
15 #include <linux/sunrpc/xdr.h> 14 #include <linux/sunrpc/xdr.h>
16 15
17 #define SM_MAXSTRLEN 1024 16 #define SM_MAXSTRLEN 1024
18 #define SM_PRIV_SIZE 16 17 #define SM_PRIV_SIZE 16
19 18
20 struct nsm_private { 19 struct nsm_private {
21 unsigned char data[SM_PRIV_S 20 unsigned char data[SM_PRIV_SIZE];
22 }; 21 };
23 22
24 struct svc_rqst; 23 struct svc_rqst;
25 24
26 #define NLM_MAXCOOKIELEN 32 25 #define NLM_MAXCOOKIELEN 32
27 #define NLM_MAXSTRLEN 1024 26 #define NLM_MAXSTRLEN 1024
28 27
29 #define nlm_granted cpu_to_be32(NL 28 #define nlm_granted cpu_to_be32(NLM_LCK_GRANTED)
30 #define nlm_lck_denied cpu_to_be32(NL 29 #define nlm_lck_denied cpu_to_be32(NLM_LCK_DENIED)
31 #define nlm_lck_denied_nolocks cpu_to_be32(NL 30 #define nlm_lck_denied_nolocks cpu_to_be32(NLM_LCK_DENIED_NOLOCKS)
32 #define nlm_lck_blocked cpu_to_be32(NL 31 #define nlm_lck_blocked cpu_to_be32(NLM_LCK_BLOCKED)
33 #define nlm_lck_denied_grace_period cpu_to 32 #define nlm_lck_denied_grace_period cpu_to_be32(NLM_LCK_DENIED_GRACE_PERIOD)
34 33
35 #define nlm_drop_reply cpu_to_be32(30 34 #define nlm_drop_reply cpu_to_be32(30000)
36 35
37 /* Lock info passed via NLM */ 36 /* Lock info passed via NLM */
38 struct nlm_lock { 37 struct nlm_lock {
39 char * caller; 38 char * caller;
40 unsigned int len; /* len 39 unsigned int len; /* length of "caller" */
41 struct nfs_fh fh; 40 struct nfs_fh fh;
42 struct xdr_netobj oh; 41 struct xdr_netobj oh;
43 u32 svid; 42 u32 svid;
44 struct file_lock fl; 43 struct file_lock fl;
45 }; 44 };
46 45
47 /* 46 /*
48 * NLM cookies. Technically they can be 1 47 * NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes.
49 * FreeBSD uses 16, Apple Mac OS X 10.3 u 48 * FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to
50 * 32 bytes. 49 * 32 bytes.
51 */ 50 */
52 51
53 struct nlm_cookie 52 struct nlm_cookie
54 { 53 {
55 unsigned char data[NLM_MAXCOOKIELEN]; 54 unsigned char data[NLM_MAXCOOKIELEN];
56 unsigned int len; 55 unsigned int len;
57 }; 56 };
58 57
59 /* 58 /*
60 * Generic lockd arguments for all but sm_noti 59 * Generic lockd arguments for all but sm_notify
61 */ 60 */
62 struct nlm_args { 61 struct nlm_args {
63 struct nlm_cookie cookie; 62 struct nlm_cookie cookie;
64 struct nlm_lock lock; 63 struct nlm_lock lock;
65 u32 block; 64 u32 block;
66 u32 reclaim; 65 u32 reclaim;
67 u32 state; 66 u32 state;
68 u32 monitor; 67 u32 monitor;
69 u32 fsm_access; 68 u32 fsm_access;
70 u32 fsm_mode; 69 u32 fsm_mode;
71 }; 70 };
72 71
73 typedef struct nlm_args nlm_args; 72 typedef struct nlm_args nlm_args;
74 73
75 /* 74 /*
76 * Generic lockd result 75 * Generic lockd result
77 */ 76 */
78 struct nlm_res { 77 struct nlm_res {
79 struct nlm_cookie cookie; 78 struct nlm_cookie cookie;
80 __be32 status; 79 __be32 status;
81 struct nlm_lock lock; 80 struct nlm_lock lock;
82 }; 81 };
83 82
84 /* 83 /*
85 * statd callback when client has rebooted 84 * statd callback when client has rebooted
86 */ 85 */
87 struct nlm_reboot { 86 struct nlm_reboot {
88 char *mon; 87 char *mon;
89 unsigned int len; 88 unsigned int len;
90 u32 state; 89 u32 state;
91 struct nsm_private priv; 90 struct nsm_private priv;
92 }; 91 };
93 92
94 /* 93 /*
95 * Contents of statd callback when monitored h 94 * Contents of statd callback when monitored host rebooted
96 */ 95 */
97 #define NLMSVC_XDRSIZE sizeof(struct 96 #define NLMSVC_XDRSIZE sizeof(struct nlm_args)
98 97
99 int nlmsvc_decode_testargs(struct svc_rqst !! 98 int nlmsvc_decode_testargs(struct svc_rqst *, __be32 *, struct nlm_args *);
100 int nlmsvc_encode_testres(struct svc_rqst !! 99 int nlmsvc_encode_testres(struct svc_rqst *, __be32 *, struct nlm_res *);
101 int nlmsvc_decode_lockargs(struct svc_rqst !! 100 int nlmsvc_decode_lockargs(struct svc_rqst *, __be32 *, struct nlm_args *);
102 int nlmsvc_decode_cancargs(struct svc_rqst !! 101 int nlmsvc_decode_cancargs(struct svc_rqst *, __be32 *, struct nlm_args *);
103 int nlmsvc_decode_unlockargs(struct svc_rq !! 102 int nlmsvc_decode_unlockargs(struct svc_rqst *, __be32 *, struct nlm_args *);
104 int nlmsvc_encode_res(struct svc_rqst *, _ !! 103 int nlmsvc_encode_res(struct svc_rqst *, __be32 *, struct nlm_res *);
105 int nlmsvc_decode_res(struct svc_rqst *, _ !! 104 int nlmsvc_decode_res(struct svc_rqst *, __be32 *, struct nlm_res *);
106 int nlmsvc_encode_void(struct svc_rqst *, !! 105 int nlmsvc_encode_void(struct svc_rqst *, __be32 *, void *);
107 int nlmsvc_decode_void(struct svc_rqst *, !! 106 int nlmsvc_decode_void(struct svc_rqst *, __be32 *, void *);
108 int nlmsvc_decode_shareargs(struct svc_rqs !! 107 int nlmsvc_decode_shareargs(struct svc_rqst *, __be32 *, struct nlm_args *);
109 int nlmsvc_encode_shareres(struct svc_rqst !! 108 int nlmsvc_encode_shareres(struct svc_rqst *, __be32 *, struct nlm_res *);
110 int nlmsvc_decode_notify(struct svc_rqst * !! 109 int nlmsvc_decode_notify(struct svc_rqst *, __be32 *, struct nlm_args *);
111 int nlmsvc_decode_reboot(struct svc_rqst * !! 110 int nlmsvc_decode_reboot(struct svc_rqst *, __be32 *, struct nlm_reboot *);
112 /* 111 /*
113 int nlmclt_encode_testargs(struct rpc_rqst 112 int nlmclt_encode_testargs(struct rpc_rqst *, u32 *, struct nlm_args *);
114 int nlmclt_encode_lockargs(struct rpc_rqst 113 int nlmclt_encode_lockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
115 int nlmclt_encode_cancargs(struct rpc_rqst 114 int nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *);
116 int nlmclt_encode_unlockargs(struct rpc_rq 115 int nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *);
117 */ 116 */
118 117
119 #endif /* LOCKD_XDR_H */ 118 #endif /* LOCKD_XDR_H */
120 119
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.