xref: /illumos-gate/usr/src/uts/common/sys/dktp/cmdk.h (revision 2d6eb4a5)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*2df1fe9cSrandyf  * Common Development and Distribution License (the "License").
6*2df1fe9cSrandyf  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21*2df1fe9cSrandyf 
227c478bd9Sstevel@tonic-gate /*
23*2df1fe9cSrandyf  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #ifndef _SYS_DKTP_CMDK_H
287c478bd9Sstevel@tonic-gate #define	_SYS_DKTP_CMDK_H
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
317c478bd9Sstevel@tonic-gate extern "C" {
327c478bd9Sstevel@tonic-gate #endif
337c478bd9Sstevel@tonic-gate 
343ccda647Slclee #include <sys/cmlb.h>
3543369e13Slclee #include <sys/dktp/tgdk.h>
3643369e13Slclee 
377c478bd9Sstevel@tonic-gate #define	CMDK_UNITSHF	6
387c478bd9Sstevel@tonic-gate #define	CMDK_MAXPART	(1 << CMDK_UNITSHF)
397c478bd9Sstevel@tonic-gate 
403ccda647Slclee /*
413ccda647Slclee  * Model number is 40 ASCII characters
423ccda647Slclee  * Serial number is 20 ASCII characters
433ccda647Slclee  */
443ccda647Slclee #define	CMDK_HWIDLEN	(64)
457c478bd9Sstevel@tonic-gate 
467c478bd9Sstevel@tonic-gate struct	cmdk {
473ccda647Slclee 	/* set during probe */
487c478bd9Sstevel@tonic-gate 	dev_info_t	*dk_dip;
497c478bd9Sstevel@tonic-gate 	dev_t		dk_dev;
503ccda647Slclee 	struct tgdk_obj *dk_tgobjp;		/* target disk object pointer */
517c478bd9Sstevel@tonic-gate 
523ccda647Slclee 	/* set during attach */
533ccda647Slclee 	cmlb_handle_t	dk_cmlbhandle;
543ccda647Slclee 	ddi_devid_t	dk_devid;
557c478bd9Sstevel@tonic-gate 
563ccda647Slclee 	kmutex_t	dk_mutex;		/* mutex for cmdk struct */
577c478bd9Sstevel@tonic-gate 
583ccda647Slclee 	long		dk_flag;
593ccda647Slclee 	uint64_t	dk_open_reg[OTYPCNT];	/* bit per partition: 2^6 */
603ccda647Slclee 	ulong_t		dk_open_lyr[CMDK_MAXPART]; /* OTYP_LYR cnt/partition */
613ccda647Slclee 	uint64_t	dk_open_exl;		/* bit per partition: 2^6 */
623ccda647Slclee 
633ccda647Slclee 	struct bbh_obj	dk_bbh_obj;
643ccda647Slclee 
653ccda647Slclee 	/*
663ccda647Slclee 	 * BBH variables
673ccda647Slclee 	 * protected by dk_bbh_mutex
683ccda647Slclee 	 */
693ccda647Slclee 	krwlock_t	dk_bbh_mutex;		/* bbh mutex */
703ccda647Slclee 	tgdk_iob_handle	dk_alts_hdl;		/* iob for V_ALTSCTR */
713ccda647Slclee 	uint32_t	dk_altused;		/* num entries in V_ALTSCTR */
723ccda647Slclee 	uint32_t	*dk_slc_cnt;		/* entries per slice */
733ccda647Slclee 	struct alts_ent	**dk_slc_ent;		/* link to remap data */
74*2df1fe9cSrandyf 
75*2df1fe9cSrandyf 	/*
76*2df1fe9cSrandyf 	 * for power management
77*2df1fe9cSrandyf 	 */
78*2df1fe9cSrandyf 	kmutex_t	dk_pm_mutex;
79*2df1fe9cSrandyf 	kcondvar_t	dk_suspend_cv;
80*2df1fe9cSrandyf 	uint32_t	dk_pm_level;
81*2df1fe9cSrandyf 	uint32_t	dk_pm_is_enabled;
827c478bd9Sstevel@tonic-gate };
837c478bd9Sstevel@tonic-gate 
84*2df1fe9cSrandyf /*
85*2df1fe9cSrandyf  * Power Management definitions
86*2df1fe9cSrandyf  */
87*2df1fe9cSrandyf #define	CMDK_SPINDLE_UNINIT	((uint_t)(-1))
88*2df1fe9cSrandyf #define	CMDK_SPINDLE_OFF	0x0
89*2df1fe9cSrandyf #define	CMDK_SPINDLE_ON		0x1
90*2df1fe9cSrandyf 
917c478bd9Sstevel@tonic-gate /*	common disk flags definitions					*/
927c478bd9Sstevel@tonic-gate #define	CMDK_OPEN		0x1
93*2df1fe9cSrandyf #define	CMDK_SUSPEND		0x2
947c478bd9Sstevel@tonic-gate #define	CMDK_TGDK_OPEN		0x4
957c478bd9Sstevel@tonic-gate 
967c478bd9Sstevel@tonic-gate #define	CMDKUNIT(dev) (getminor((dev)) >> CMDK_UNITSHF)
977c478bd9Sstevel@tonic-gate #define	CMDKPART(dev) (getminor((dev)) & (CMDK_MAXPART - 1))
987c478bd9Sstevel@tonic-gate 
997c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
1007c478bd9Sstevel@tonic-gate }
1017c478bd9Sstevel@tonic-gate #endif
1027c478bd9Sstevel@tonic-gate 
1037c478bd9Sstevel@tonic-gate #endif	/* _SYS_DKTP_CMDK_H */
104