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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_BLK_COMMON_H
#define _SYS_BLK_COMMON_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <sys/xendev.h>
typedef uint_t (*blk_intr_t)(caddr_t arg);
typedef void (*blk_ring_cb_t)(caddr_t arg);
typedef struct blk_ringinit_args_s {
dev_info_t *ar_dip;
/* callbacks */
blk_intr_t ar_intr;
caddr_t ar_intr_arg;
blk_ring_cb_t ar_ringup;
caddr_t ar_ringup_arg;
blk_ring_cb_t ar_ringdown;
caddr_t ar_ringdown_arg;
} blk_ringinit_args_t;
typedef struct blk_ring_s *blk_ring_t;
int blk_ring_init(blk_ringinit_args_t *args, blk_ring_t *ring);
void blk_ring_fini(blk_ring_t *ring);
boolean_t blk_ring_request_get(blk_ring_t ring, blkif_request_t *req);
void blk_ring_request_requeue(blk_ring_t ring);
void blk_ring_request_dump(blkif_request_t *req);
void blk_ring_response_put(blk_ring_t ring, blkif_response_t *resp);
void blk_ring_response_dump(blkif_response_t *req);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_BLK_COMMON_H */
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