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/*
* Copyright (C) 2013 Marin Hannache <ipxe@mareo.fr>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <stdint.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <errno.h>
#include <libgen.h>
#include <byteswap.h>
#include <ipxe/time.h>
#include <ipxe/iobuf.h>
#include <ipxe/open.h>
#include <ipxe/features.h>
#include <ipxe/oncrpc.h>
#include <ipxe/oncrpc_iob.h>
#include <ipxe/nfs.h>
#include <ipxe/mount.h>
/** @file
*
* NFS MOUNT protocol
*
*/
/** MNT procedure number */
#define MOUNT_MNT 1
/** UMNT procedure number */
#define MOUNT_UMNT 3
/**
* Send a MNT request
*
* @v intf Interface to send the request on
* @v session ONC RPC session
* @v mountpoinrt The path of the directory to mount.
* @ret rc Return status code
*/
int mount_mnt ( struct interface *intf, struct oncrpc_session *session,
const char *mountpoint ) {
struct oncrpc_field fields[] = {
ONCRPC_FIELD ( str, mountpoint ),
ONCRPC_FIELD_END,
};
return oncrpc_call ( intf, session, MOUNT_MNT, fields );
}
/**
* Send a UMNT request
*
* @v intf Interface to send the request on
* @v session ONC RPC session
* @v mountpoinrt The path of the directory to unmount.
* @ret rc Return status code
*/
int mount_umnt ( struct interface *intf, struct oncrpc_session *session,
const char *mountpoint ) {
struct oncrpc_field fields[] = {
ONCRPC_FIELD ( str, mountpoint ),
ONCRPC_FIELD_END,
};
return oncrpc_call ( intf, session, MOUNT_UMNT, fields );
}
/**
* Parse an MNT reply
*
* @v mnt_reply A structure where the data will be saved
* @v reply The ONC RPC reply to get data from
* @ret rc Return status code
*/
int mount_get_mnt_reply ( struct mount_mnt_reply *mnt_reply,
struct oncrpc_reply *reply ) {
if ( ! mnt_reply || ! reply )
return -EINVAL;
mnt_reply->status = oncrpc_iob_get_int ( reply->data );
switch ( mnt_reply->status )
{
case MNT3_OK:
break;
case MNT3ERR_NOENT:
return -ENOENT;
case MNT3ERR_IO:
return -EIO;
case MNT3ERR_ACCES:
return -EACCES;
case MNT3ERR_NOTDIR:
return -ENOTDIR;
case MNT3ERR_NAMETOOLONG:
return -ENAMETOOLONG;
default:
return -EPROTO;
}
nfs_iob_get_fh ( reply->data, &mnt_reply->fh );
return 0;
}
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