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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27#ifndef _SYS_DKTP_CMDK_H
28#define	_SYS_DKTP_CMDK_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32#ifdef	__cplusplus
33extern "C" {
34#endif
35
36#include <sys/cmlb.h>
37#include <sys/dktp/tgdk.h>
38
39#define	CMDK_UNITSHF	6
40#define	CMDK_MAXPART	(1 << CMDK_UNITSHF)
41
42/*
43 * Model number is 40 ASCII characters
44 * Serial number is 20 ASCII characters
45 */
46#define	CMDK_HWIDLEN	(64)
47
48struct	cmdk {
49	/* set during probe */
50	dev_info_t	*dk_dip;
51	dev_t		dk_dev;
52	struct tgdk_obj *dk_tgobjp;		/* target disk object pointer */
53
54	/* set during attach */
55	cmlb_handle_t	dk_cmlbhandle;
56	ddi_devid_t	dk_devid;
57
58	kmutex_t	dk_mutex;		/* mutex for cmdk struct */
59
60	long		dk_flag;
61	uint64_t	dk_open_reg[OTYPCNT];	/* bit per partition: 2^6 */
62	ulong_t		dk_open_lyr[CMDK_MAXPART]; /* OTYP_LYR cnt/partition */
63	uint64_t	dk_open_exl;		/* bit per partition: 2^6 */
64
65	struct bbh_obj	dk_bbh_obj;
66
67	/*
68	 * BBH variables
69	 * protected by dk_bbh_mutex
70	 */
71	krwlock_t	dk_bbh_mutex;		/* bbh mutex */
72	tgdk_iob_handle	dk_alts_hdl;		/* iob for V_ALTSCTR */
73	uint32_t	dk_altused;		/* num entries in V_ALTSCTR */
74	uint32_t	*dk_slc_cnt;		/* entries per slice */
75	struct alts_ent	**dk_slc_ent;		/* link to remap data */
76
77	/*
78	 * for power management
79	 */
80	kmutex_t	dk_pm_mutex;
81	kcondvar_t	dk_suspend_cv;
82	uint32_t	dk_pm_level;
83	uint32_t	dk_pm_is_enabled;
84};
85
86/*
87 * Power Management definitions
88 */
89#define	CMDK_SPINDLE_UNINIT	((uint_t)(-1))
90#define	CMDK_SPINDLE_OFF	0x0
91#define	CMDK_SPINDLE_ON		0x1
92
93/*	common disk flags definitions					*/
94#define	CMDK_OPEN		0x1
95#define	CMDK_SUSPEND		0x2
96#define	CMDK_TGDK_OPEN		0x4
97
98#define	CMDKUNIT(dev) (getminor((dev)) >> CMDK_UNITSHF)
99#define	CMDKPART(dev) (getminor((dev)) & (CMDK_MAXPART - 1))
100
101#ifdef	__cplusplus
102}
103#endif
104
105#endif	/* _SYS_DKTP_CMDK_H */
106