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/*
* Copyright (C) 2006 Michael Brown <mbrown@fensystems.co.uk>.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stddef.h>
#include <gpxe/iscsi.h>
/** @file
*
* iSCSI SCSI device
*
*/
/**
* Issue SCSI command via iSCSI device
*
* @v scsi SCSI device
* @v command SCSI command
* @ret rc Return status code
*/
static int iscsi_command ( struct scsi_device *scsi,
struct scsi_command *command ) {
struct iscsi_device *iscsidev
= container_of ( scsi, struct iscsi_device, scsi );
struct async async;
int rc;
async_init_orphan ( &async );
if ( ( rc = iscsi_issue ( &iscsidev->iscsi, command, &async ) ) != 0 )
return rc;
async_wait ( &async, &rc, 1 );
return rc;
}
/**
* Initialise iSCSI device
*
* @v iscsidev iSCSI device
*/
int init_iscsidev ( struct iscsi_device *iscsidev ) {
int rc;
iscsidev->scsi.command = iscsi_command;
iscsidev->scsi.lun = iscsidev->iscsi.lun;
rc = init_scsidev ( &iscsidev->scsi );
if ( rc != 0 ) {
fini_iscsidev ( iscsidev );
}
return rc;
}
/**
* Shut down iSCSI device
*
* @v iscsidev iSCSI device
*/
void fini_iscsidev ( struct iscsi_device *iscsidev ) {
iscsi_shutdown ( &iscsidev->iscsi );
}
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