diff options
Diffstat (limited to 'include/linux/nfsd/syscall.h')
| -rw-r--r-- | include/linux/nfsd/syscall.h | 125 |
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 */ |