dadk.h revision fa9e4066f08beec538e775443c5be79dd423fcab
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_DKTP_DADK_H
#define _SYS_DKTP_DADK_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/dktp/tgcom.h>
struct dadk {
struct tgdk_ext *dad_extp; /* back pointer to ext data */
struct scsi_device *dad_sd; /* back pointer to SCSI_DEVICE */
struct tgdk_geom dad_logg; /* logical disk geometry */
struct tgdk_geom dad_phyg; /* physical disk geometry */
unsigned dad_rmb : 1; /* removable device */
unsigned dad_rdonly : 1; /* read only device */
unsigned dad_cdrom : 1; /* cdrom device */
unsigned dad_noflush : 1; /* flush cmd unsupported */
unsigned dad_wce : 1; /* disk write cache enabled */
unsigned dad_resv : 3;
unsigned char dad_type; /* device type */
unsigned char dad_ctype; /* controller type */
short dad_secshf;
short dad_blkshf;
opaque_t dad_bbhobjp; /* bbh object ptr */
opaque_t dad_flcobjp; /* flow control object ptr */
opaque_t dad_ctlobjp; /* controller object ptr */
struct tgcom_obj dad_com; /* com object for flowctrl */
enum dkio_state dad_iostate; /* ejected/inserted */
kmutex_t dad_mutex; /* protect dad_state */
kcondvar_t dad_state_cv; /* condition variable for state */
uchar_t dad_thread_cnt; /* reference count on removable */
/* - disk state watcher thread */
};
#define DAD_SECSIZ dad_phyg.g_secsiz
/*
* Local definitions, for clarity of code
*/
/*
* Parameters
*/
#define DADK_BSY_TIMEOUT (drv_usectohz(5 * 1000000))
#define DADK_IO_TIME 35
#define DADK_FLUSH_CACHE_TIME 60
#define DADK_RETRY_COUNT 5
#define DADK_SILENT 1
#define PKT2DADK(pktp) ((struct dadk *)(pktp)->cp_dev_private)
/*
* packet action codes
*/
#define COMMAND_DONE 0
#define COMMAND_DONE_ERROR 1
#define QUE_COMMAND 2
#define QUE_SENSE 3
#define JUST_RETURN 4
int dadk_init(opaque_t objp, opaque_t devp, opaque_t flcobjp,
opaque_t queobjp, opaque_t bbhobjp, void *lkarg);
int dadk_free(struct tgdk_obj *dkobjp);
int dadk_probe(opaque_t objp, int kmsflg);
int dadk_attach(opaque_t objp);
int dadk_open(opaque_t objp, int flag);
int dadk_close(opaque_t objp);
int dadk_ioctl(opaque_t objp, dev_t dev, int cmd, intptr_t arg,
int flag, cred_t *cred_p, int *rval_p);
int dadk_flushdone(struct buf *bp);
int dadk_strategy(opaque_t objp, struct buf *bp);
int dadk_setgeom(opaque_t objp, struct tgdk_geom *dkgeom_p);
int dadk_getgeom(opaque_t objp, struct tgdk_geom *dkgeom_p);
struct tgdk_iob *dadk_iob_alloc(opaque_t objp, daddr_t blkno,
ssize_t xfer, int kmsflg);
int dadk_iob_free(opaque_t objp, struct tgdk_iob *iobp);
caddr_t dadk_iob_htoc(opaque_t objp, struct tgdk_iob *iobp);
caddr_t dadk_iob_xfer(opaque_t objp, struct tgdk_iob *iobp, int rw);
int dadk_dump(opaque_t objp, struct buf *bp);
int dadk_getphygeom(opaque_t objp, struct tgdk_geom *dkgeom_p);
int dadk_set_bbhobj(opaque_t objp, opaque_t bbhobjp);
int dadk_check_media(opaque_t objp, int *state);
static void dadk_watch_thread(struct dadk *dadkp);
int dadk_inquiry(opaque_t objp, opaque_t *inqpp);
void dadk_cleanup(struct tgdk_obj *dkobjp);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_DKTP_DADK_H */