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#ifndef _NFS_NFS_H
#define _NFS_NFS_H
#include <linux/posix_types.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <rpcsvc/nfs_prot.h>
#include <nfs/export.h>
struct dentry;
/*
* This is the new "dentry style" Linux NFSv2 file handle.
*
* The xino and xdev fields are currently used to transport the
* ino/dev of the exported inode.
*/
struct nfs_fhbase {
struct dentry * fb_dentry; /* dentry cookie */
u_int32_t fb_ino; /* our inode number */
u_int32_t fb_dirino; /* dir inode number */
u_int32_t fb_dev; /* our device */
u_int32_t fb_xdev;
u_int32_t fb_xino;
};
#define NFS_FH_PADDING (NFS_FHSIZE - sizeof(struct nfs_fhbase))
struct knfs_fh {
struct nfs_fhbase fh_base;
u_int8_t fh_cookie[NFS_FH_PADDING];
};
#define fh_dcookie fh_base.fb_dentry
#define fh_ino fh_base.fb_ino
#define fh_dirino fh_base.fb_dirino
#define fh_dev fh_base.fb_dev
#define fh_xdev fh_base.fb_xdev
#define fh_xino fh_base.fb_xino
/*
* 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 (used by mountd) */
#define NFSCTL_GETFD 7 /* get an fh by path (used by mountd) */
/* Above this is for lockd. */
#define NFSCTL_LOCKD 0x10000
#define LOCKDCTL_SVC NFSCTL_LOCKD
/* 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;
};
/*
* 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;
unsigned int u_debug;
} 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_authd u.u_authd
#define ca_debug u.u_debug
};
union nfsctl_res {
struct knfs_fh cr_getfh;
unsigned int cr_debug;
};
#endif /* _NFS_NFS_H */
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