diff options
Diffstat (limited to 'include/linux/lockd/xdr.h')
-rw-r--r-- | include/linux/lockd/xdr.h | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h new file mode 100644 index 000000000000..d7a5cc4cfa97 --- /dev/null +++ b/include/linux/lockd/xdr.h | |||
@@ -0,0 +1,108 @@ | |||
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; | ||
31 | struct file_lock fl; | ||
32 | }; | ||
33 | |||
34 | /* | ||
35 | * NLM cookies. Technically they can be 1K, but Linux only uses 8 bytes. | ||
36 | * FreeBSD uses 16, Apple Mac OS X 10.3 uses 20. Therefore we set it to | ||
37 | * 32 bytes. | ||
38 | */ | ||
39 | |||
40 | struct nlm_cookie | ||
41 | { | ||
42 | unsigned char data[NLM_MAXCOOKIELEN]; | ||
43 | unsigned int len; | ||
44 | }; | ||
45 | |||
46 | /* | ||
47 | * Generic lockd arguments for all but sm_notify | ||
48 | */ | ||
49 | struct nlm_args { | ||
50 | struct nlm_cookie cookie; | ||
51 | struct nlm_lock lock; | ||
52 | u32 block; | ||
53 | u32 reclaim; | ||
54 | u32 state; | ||
55 | u32 monitor; | ||
56 | u32 fsm_access; | ||
57 | u32 fsm_mode; | ||
58 | }; | ||
59 | |||
60 | typedef struct nlm_args nlm_args; | ||
61 | |||
62 | /* | ||
63 | * Generic lockd result | ||
64 | */ | ||
65 | struct nlm_res { | ||
66 | struct nlm_cookie cookie; | ||
67 | u32 status; | ||
68 | struct nlm_lock lock; | ||
69 | }; | ||
70 | |||
71 | /* | ||
72 | * statd callback when client has rebooted | ||
73 | */ | ||
74 | struct nlm_reboot { | ||
75 | char * mon; | ||
76 | int len; | ||
77 | u32 state; | ||
78 | u32 addr; | ||
79 | u32 vers; | ||
80 | u32 proto; | ||
81 | }; | ||
82 | |||
83 | /* | ||
84 | * Contents of statd callback when monitored host rebooted | ||
85 | */ | ||
86 | #define NLMSVC_XDRSIZE sizeof(struct nlm_args) | ||
87 | |||
88 | int nlmsvc_decode_testargs(struct svc_rqst *, u32 *, struct nlm_args *); | ||
89 | int nlmsvc_encode_testres(struct svc_rqst *, u32 *, struct nlm_res *); | ||
90 | int nlmsvc_decode_lockargs(struct svc_rqst *, u32 *, struct nlm_args *); | ||
91 | int nlmsvc_decode_cancargs(struct svc_rqst *, u32 *, struct nlm_args *); | ||
92 | int nlmsvc_decode_unlockargs(struct svc_rqst *, u32 *, struct nlm_args *); | ||
93 | int nlmsvc_encode_res(struct svc_rqst *, u32 *, struct nlm_res *); | ||
94 | int nlmsvc_decode_res(struct svc_rqst *, u32 *, struct nlm_res *); | ||
95 | int nlmsvc_encode_void(struct svc_rqst *, u32 *, void *); | ||
96 | int nlmsvc_decode_void(struct svc_rqst *, u32 *, void *); | ||
97 | int nlmsvc_decode_shareargs(struct svc_rqst *, u32 *, struct nlm_args *); | ||
98 | int nlmsvc_encode_shareres(struct svc_rqst *, u32 *, struct nlm_res *); | ||
99 | int nlmsvc_decode_notify(struct svc_rqst *, u32 *, struct nlm_args *); | ||
100 | int nlmsvc_decode_reboot(struct svc_rqst *, u32 *, struct nlm_reboot *); | ||
101 | /* | ||
102 | int nlmclt_encode_testargs(struct rpc_rqst *, u32 *, struct nlm_args *); | ||
103 | int nlmclt_encode_lockargs(struct rpc_rqst *, u32 *, struct nlm_args *); | ||
104 | int nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *); | ||
105 | int nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *); | ||
106 | */ | ||
107 | |||
108 | #endif /* LOCKD_XDR_H */ | ||