dadk.h revision 2581:03b364ab6383 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_DKTP_DADK_H
28#define	_SYS_DKTP_DADK_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36#include <sys/dktp/tgcom.h>
37
38struct	dadk {
39	struct tgdk_ext	*dad_extp;	/* back pointer to ext data	*/
40	struct scsi_device *dad_sd;	/* back pointer to SCSI_DEVICE 	*/
41
42	struct  tgdk_geom dad_logg;	/* logical disk geometry 	*/
43	struct  tgdk_geom dad_phyg;	/* physical disk geometry 	*/
44
45	unsigned dad_rmb : 1;		/* removable device		*/
46	unsigned dad_rdonly : 1;	/* read only device		*/
47	unsigned dad_cdrom : 1;		/* cdrom device			*/
48	unsigned dad_noflush : 1;	/* flush cmd unsupported	*/
49	unsigned dad_wce : 1;		/* disk write cache enabled	*/
50	unsigned dad_resv : 3;
51	unsigned char dad_type;		/* device type			*/
52	unsigned char dad_ctype;	/* controller type 		*/
53
54	short	 dad_secshf;
55	short	 dad_blkshf;
56
57	opaque_t dad_bbhobjp;		/* bbh object ptr		*/
58	opaque_t dad_flcobjp;		/* flow control object ptr	*/
59	opaque_t dad_ctlobjp;		/* controller object ptr	*/
60	struct	tgcom_obj dad_com;	/* com object for flowctrl	*/
61	enum dkio_state dad_iostate;	/* ejected/inserted		*/
62	kmutex_t	dad_mutex;	/* protect dad_state		*/
63	kcondvar_t	dad_state_cv;	/* condition variable for state */
64	uchar_t		dad_thread_cnt;	/* reference count on removable	*/
65					/* - disk state watcher thread	*/
66};
67
68#define	DAD_SECSIZ	dad_phyg.g_secsiz
69
70/*
71 * Local definitions, for clarity of code
72 */
73
74/*
75 * Parameters
76 */
77#define	DADK_BSY_TIMEOUT	(drv_usectohz(5 * 1000000))
78#define	DADK_IO_TIME		35
79#define	DADK_FLUSH_CACHE_TIME	60
80#define	DADK_RETRY_COUNT	5
81#define	DADK_SILENT		1
82
83#define	PKT2DADK(pktp)	((struct dadk *)(pktp)->cp_dev_private)
84
85/*
86 * packet action codes
87 */
88#define	COMMAND_DONE		0
89#define	COMMAND_DONE_ERROR	1
90#define	QUE_COMMAND		2
91#define	QUE_SENSE		3
92#define	JUST_RETURN		4
93
94int dadk_init(opaque_t objp, opaque_t devp, opaque_t flcobjp,
95    opaque_t queobjp, opaque_t bbhobjp, void *lkarg);
96int dadk_free(struct tgdk_obj *dkobjp);
97int dadk_probe(opaque_t objp, int kmsflg);
98int dadk_attach(opaque_t objp);
99int dadk_open(opaque_t objp, int flag);
100int dadk_close(opaque_t objp);
101int dadk_ioctl(opaque_t objp, dev_t dev, int cmd, intptr_t arg,
102    int flag, cred_t *cred_p, int *rval_p);
103int dadk_flushdone(struct buf *bp);
104int dadk_strategy(opaque_t objp, struct buf *bp);
105int dadk_setgeom(opaque_t objp, struct tgdk_geom *dkgeom_p);
106int dadk_getgeom(opaque_t objp, struct tgdk_geom *dkgeom_p);
107struct tgdk_iob *dadk_iob_alloc(opaque_t objp, daddr_t blkno,
108    ssize_t xfer, int kmsflg);
109int dadk_iob_free(opaque_t objp, struct tgdk_iob *iobp);
110caddr_t dadk_iob_htoc(opaque_t objp, struct tgdk_iob *iobp);
111caddr_t dadk_iob_xfer(opaque_t objp, struct tgdk_iob *iobp, int rw);
112int dadk_dump(opaque_t objp, struct buf *bp);
113int dadk_getphygeom(opaque_t objp, struct tgdk_geom *dkgeom_p);
114int dadk_set_bbhobj(opaque_t objp, opaque_t bbhobjp);
115int dadk_check_media(opaque_t objp, int *state);
116static void dadk_watch_thread(struct dadk *dadkp);
117int dadk_inquiry(opaque_t objp, opaque_t *inqpp);
118void dadk_cleanup(struct tgdk_obj *dkobjp);
119
120#ifdef	__cplusplus
121}
122#endif
123
124#endif	/* _SYS_DKTP_DADK_H */
125