scsi_watch.h revision 97ddcdce0091922bf2049977a3d42ba4fc0857a6
/*
* 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 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SCSI_SCSI_WATCH_H
#define _SYS_SCSI_SCSI_WATCH_H
#ifdef __cplusplus
extern "C" {
#endif
struct scsi_watch_result {
struct scsi_status *statusp;
struct scsi_extended_sense *sensep;
uchar_t actual_sense_length;
uchar_t mmc_data[8];
struct scsi_pkt *pkt;
};
/*
* 120 seconds is a *very* reasonable amount of time for most slow devices
*/
#define SCSI_WATCH_IO_TIME 120
/*
* values to pass in "flags" arg for scsi_watch_request_terminate()
*/
#define SCSI_WATCH_TERMINATE_WAIT 0x0
#define SCSI_WATCH_TERMINATE_NOWAIT 0x1
#define SCSI_WATCH_TERMINATE_ALL_WAIT 0x2
#define SCSI_WATCH_TERMINATE_SUCCESS 0x0
#define SCSI_WATCH_TERMINATE_FAIL 0x1
void scsi_watch_init();
void scsi_watch_fini();
opaque_t scsi_watch_request_submit(struct scsi_device *devp,
int interval, int sense_length,
int (*callback)(), caddr_t cb_arg);
opaque_t scsi_mmc_watch_request_submit(struct scsi_device *devp,
int interval, int sense_length,
int (*callback)(), caddr_t cb_arg);
int scsi_watch_request_terminate(opaque_t token, int flags);
int scsi_watch_get_ref_count(opaque_t token);
void scsi_watch_resume(opaque_t token);
void scsi_watch_suspend(opaque_t token);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SCSI_SCSI_WATCH_H */