- /*
- * 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. */
- #define NFSCTL_GETFH 6 /* get an fh by ino (used by mountd) */
- #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_dev_t ex_dev;
- __kernel_ino_t ex_ino;
- int ex_flags;
- __kernel_uid_t ex_anon_uid;
- __kernel_gid_t ex_anon_gid;
- };
- /* UGIDUPDATE */
- struct nfsctl_uidmap {
- char * ug_ident;
- __kernel_uid_t ug_uidbase;
- int ug_uidlen;
- __kernel_uid_t * ug_udimap;
- __kernel_gid_t ug_gidbase;
- int ug_gidlen;
- __kernel_gid_t * ug_gdimap;
- };
- /* GETFH */
- struct nfsctl_fhparm {
- struct sockaddr gf_addr;
- __kernel_dev_t gf_dev;
- __kernel_ino_t gf_ino;
- int gf_version;
- };
- /* 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_uidmap u_umap;
- struct nfsctl_fhparm u_getfh;
- struct nfsctl_fdparm u_getfd;
- struct nfsctl_fsparm u_getfs;
- } u;
- #define ca_svc u.u_svc
- #define ca_client u.u_client
- #define ca_export u.u_export
- #define ca_umap u.u_umap
- #define ca_getfh u.u_getfh
- #define ca_getfd u.u_getfd
- #define ca_getfs u.u_getfs
- #define ca_authd u.u_authd
- };
- union nfsctl_res {
- __u8 cr_getfh[NFS_FHSIZE];
- struct knfsd_fh cr_getfs;
- };
- #ifdef __KERNEL__
- /*
- * Kernel syscall implementation.
- */
- #if defined(CONFIG_NFSD) || defined(CONFIG_NFSD_MODULE)
- extern asmlinkage long sys_nfsservctl(int, void *, void *);
- #else
- #define sys_nfsservctl sys_ni_syscall
- #endif
- 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 */