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-rw-r--r--include/linux/nfsd/syscall.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/include/linux/nfsd/syscall.h b/include/linux/nfsd/syscall.h
new file mode 100644
index 00000000000..e65c9db6d13
--- /dev/null
+++ b/include/linux/nfsd/syscall.h
@@ -0,0 +1,125 @@
+/*
+ * include/linux/nfsd/syscall.h
+ *
+ * This file holds all declarations for the knfsd syscall interface.
+ *
+ * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef NFSD_SYSCALL_H
+#define NFSD_SYSCALL_H
+
+#include <asm/types.h>
+#ifdef __KERNEL__
+# include <linux/config.h>
+# include <linux/types.h>
+# include <linux/in.h>
+#endif
+#include <linux/posix_types.h>
+#include <linux/nfsd/const.h>
+#include <linux/nfsd/export.h>
+#include <linux/nfsd/nfsfh.h>
+#include <linux/nfsd/auth.h>
+
+/*
+ * Version of the syscall interface
+ */
+#define NFSCTL_VERSION 0x0201
+
+/*
+ * These are the commands understood by nfsctl().
+ */
+#define NFSCTL_SVC 0 /* This is a server process. */
+#define NFSCTL_ADDCLIENT 1 /* Add an NFS client. */
+#define NFSCTL_DELCLIENT 2 /* Remove an NFS client. */
+#define NFSCTL_EXPORT 3 /* export a file system. */
+#define NFSCTL_UNEXPORT 4 /* unexport a file system. */
+/*#define NFSCTL_UGIDUPDATE 5 / * update a client's uid/gid map. DISCARDED */
+/*#define NFSCTL_GETFH 6 / * get an fh by ino DISCARDED */
+#define NFSCTL_GETFD 7 /* get an fh by path (used by mountd) */
+#define NFSCTL_GETFS 8 /* get an fh by path with max FH len */
+
+/* SVC */
+struct nfsctl_svc {
+ unsigned short svc_port;
+ int svc_nthreads;
+};
+
+/* ADDCLIENT/DELCLIENT */
+struct nfsctl_client {
+ char cl_ident[NFSCLNT_IDMAX+1];
+ int cl_naddr;
+ struct in_addr cl_addrlist[NFSCLNT_ADDRMAX];
+ int cl_fhkeytype;
+ int cl_fhkeylen;
+ unsigned char cl_fhkey[NFSCLNT_KEYMAX];
+};
+
+/* EXPORT/UNEXPORT */
+struct nfsctl_export {
+ char ex_client[NFSCLNT_IDMAX+1];
+ char ex_path[NFS_MAXPATHLEN+1];
+ __kernel_old_dev_t ex_dev;
+ __kernel_ino_t ex_ino;
+ int ex_flags;
+ __kernel_uid_t ex_anon_uid;
+ __kernel_gid_t ex_anon_gid;
+};
+
+/* GETFD */
+struct nfsctl_fdparm {
+ struct sockaddr gd_addr;
+ char gd_path[NFS_MAXPATHLEN+1];
+ int gd_version;
+};
+
+/* GETFS - GET Filehandle with Size */
+struct nfsctl_fsparm {
+ struct sockaddr gd_addr;
+ char gd_path[NFS_MAXPATHLEN+1];
+ int gd_maxlen;
+};
+
+/*
+ * This is the argument union.
+ */
+struct nfsctl_arg {
+ int ca_version; /* safeguard */
+ union {
+ struct nfsctl_svc u_svc;
+ struct nfsctl_client u_client;
+ struct nfsctl_export u_export;
+ struct nfsctl_fdparm u_getfd;
+ struct nfsctl_fsparm u_getfs;
+ /*
+ * The following dummy member is needed to preserve binary compatibility
+ * on platforms where alignof(void*)>alignof(int). It's needed because
+ * this union used to contain a member (u_umap) which contained a
+ * pointer.
+ */
+ void *u_ptr;
+ } u;
+#define ca_svc u.u_svc
+#define ca_client u.u_client
+#define ca_export u.u_export
+#define ca_getfd u.u_getfd
+#define ca_getfs u.u_getfs
+};
+
+union nfsctl_res {
+ __u8 cr_getfh[NFS_FHSIZE];
+ struct knfsd_fh cr_getfs;
+};
+
+#ifdef __KERNEL__
+/*
+ * Kernel syscall implementation.
+ */
+extern int exp_addclient(struct nfsctl_client *ncp);
+extern int exp_delclient(struct nfsctl_client *ncp);
+extern int exp_export(struct nfsctl_export *nxp);
+extern int exp_unexport(struct nfsctl_export *nxp);
+
+#endif /* __KERNEL__ */
+
+#endif /* NFSD_SYSCALL_H */