aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/nfsd
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/nfsd')
-rw-r--r--include/linux/nfsd/Kbuild6
-rw-r--r--include/linux/nfsd/const.h55
-rw-r--r--include/linux/nfsd/syscall.h116
3 files changed, 177 insertions, 0 deletions
diff --git a/include/linux/nfsd/Kbuild b/include/linux/nfsd/Kbuild
new file mode 100644
index 00000000000..55d1467de3c
--- /dev/null
+++ b/include/linux/nfsd/Kbuild
@@ -0,0 +1,6 @@
1header-y += const.h
2header-y += debug.h
3header-y += export.h
4header-y += nfsfh.h
5header-y += stats.h
6header-y += syscall.h
diff --git a/include/linux/nfsd/const.h b/include/linux/nfsd/const.h
new file mode 100644
index 00000000000..323f8cfa060
--- /dev/null
+++ b/include/linux/nfsd/const.h
@@ -0,0 +1,55 @@
1/*
2 * include/linux/nfsd/const.h
3 *
4 * Various constants related to NFS.
5 *
6 * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
7 */
8
9#ifndef _LINUX_NFSD_CONST_H
10#define _LINUX_NFSD_CONST_H
11
12#include <linux/nfs.h>
13#include <linux/nfs2.h>
14#include <linux/nfs3.h>
15#include <linux/nfs4.h>
16
17/*
18 * Maximum protocol version supported by knfsd
19 */
20#define NFSSVC_MAXVERS 3
21
22/*
23 * Maximum blocksizes supported by daemon under various circumstances.
24 */
25#define NFSSVC_MAXBLKSIZE RPCSVC_MAXPAYLOAD
26/* NFSv2 is limited by the protocol specification, see RFC 1094 */
27#define NFSSVC_MAXBLKSIZE_V2 (8*1024)
28
29#ifdef __KERNEL__
30
31#include <linux/sunrpc/msg_prot.h>
32
33/*
34 * Largest number of bytes we need to allocate for an NFS
35 * call or reply. Used to control buffer sizes. We use
36 * the length of v3 WRITE, READDIR and READDIR replies
37 * which are an RPC header, up to 26 XDR units of reply
38 * data, and some page data.
39 *
40 * Note that accuracy here doesn't matter too much as the
41 * size is rounded up to a page size when allocating space.
42 */
43#define NFSD_BUFSIZE ((RPC_MAX_HEADER_WITH_AUTH+26)*XDR_UNIT + NFSSVC_MAXBLKSIZE)
44
45#ifdef CONFIG_NFSD_V4
46# define NFSSVC_XDRSIZE NFS4_SVC_XDRSIZE
47#elif defined(CONFIG_NFSD_V3)
48# define NFSSVC_XDRSIZE NFS3_SVC_XDRSIZE
49#else
50# define NFSSVC_XDRSIZE NFS2_SVC_XDRSIZE
51#endif
52
53#endif /* __KERNEL__ */
54
55#endif /* _LINUX_NFSD_CONST_H */
diff --git a/include/linux/nfsd/syscall.h b/include/linux/nfsd/syscall.h
new file mode 100644
index 00000000000..812bc1e160d
--- /dev/null
+++ b/include/linux/nfsd/syscall.h
@@ -0,0 +1,116 @@
1/*
2 * include/linux/nfsd/syscall.h
3 *
4 * This file holds all declarations for the knfsd syscall interface.
5 *
6 * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
7 */
8
9#ifndef NFSD_SYSCALL_H
10#define NFSD_SYSCALL_H
11
12#include <linux/types.h>
13#include <linux/nfsd/export.h>
14
15/*
16 * Version of the syscall interface
17 */
18#define NFSCTL_VERSION 0x0201
19
20/*
21 * These are the commands understood by nfsctl().
22 */
23#define NFSCTL_SVC 0 /* This is a server process. */
24#define NFSCTL_ADDCLIENT 1 /* Add an NFS client. */
25#define NFSCTL_DELCLIENT 2 /* Remove an NFS client. */
26#define NFSCTL_EXPORT 3 /* export a file system. */
27#define NFSCTL_UNEXPORT 4 /* unexport a file system. */
28/*#define NFSCTL_UGIDUPDATE 5 / * update a client's uid/gid map. DISCARDED */
29/*#define NFSCTL_GETFH 6 / * get an fh by ino DISCARDED */
30#define NFSCTL_GETFD 7 /* get an fh by path (used by mountd) */
31#define NFSCTL_GETFS 8 /* get an fh by path with max FH len */
32
33/* SVC */
34struct nfsctl_svc {
35 unsigned short svc_port;
36 int svc_nthreads;
37};
38
39/* ADDCLIENT/DELCLIENT */
40struct nfsctl_client {
41 char cl_ident[NFSCLNT_IDMAX+1];
42 int cl_naddr;
43 struct in_addr cl_addrlist[NFSCLNT_ADDRMAX];
44 int cl_fhkeytype;
45 int cl_fhkeylen;
46 unsigned char cl_fhkey[NFSCLNT_KEYMAX];
47};
48
49/* EXPORT/UNEXPORT */
50struct nfsctl_export {
51 char ex_client[NFSCLNT_IDMAX+1];
52 char ex_path[NFS_MAXPATHLEN+1];
53 __kernel_old_dev_t ex_dev;
54 __kernel_ino_t ex_ino;
55 int ex_flags;
56 __kernel_uid_t ex_anon_uid;
57 __kernel_gid_t ex_anon_gid;
58};
59
60/* GETFD */
61struct nfsctl_fdparm {
62 struct sockaddr gd_addr;
63 char gd_path[NFS_MAXPATHLEN+1];
64 int gd_version;
65};
66
67/* GETFS - GET Filehandle with Size */
68struct nfsctl_fsparm {
69 struct sockaddr gd_addr;
70 char gd_path[NFS_MAXPATHLEN+1];
71 int gd_maxlen;
72};
73
74/*
75 * This is the argument union.
76 */
77struct nfsctl_arg {
78 int ca_version; /* safeguard */
79 union {
80 struct nfsctl_svc u_svc;
81 struct nfsctl_client u_client;
82 struct nfsctl_export u_export;
83 struct nfsctl_fdparm u_getfd;
84 struct nfsctl_fsparm u_getfs;
85 /*
86 * The following dummy member is needed to preserve binary compatibility
87 * on platforms where alignof(void*)>alignof(int). It's needed because
88 * this union used to contain a member (u_umap) which contained a
89 * pointer.
90 */
91 void *u_ptr;
92 } u;
93#define ca_svc u.u_svc
94#define ca_client u.u_client
95#define ca_export u.u_export
96#define ca_getfd u.u_getfd
97#define ca_getfs u.u_getfs
98};
99
100union nfsctl_res {
101 __u8 cr_getfh[NFS_FHSIZE];
102 struct knfsd_fh cr_getfs;
103};
104
105#ifdef __KERNEL__
106/*
107 * Kernel syscall implementation.
108 */
109extern int exp_addclient(struct nfsctl_client *ncp);
110extern int exp_delclient(struct nfsctl_client *ncp);
111extern int exp_export(struct nfsctl_export *nxp);
112extern int exp_unexport(struct nfsctl_export *nxp);
113
114#endif /* __KERNEL__ */
115
116#endif /* NFSD_SYSCALL_H */
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-12 09:22:27 -0500