/*
 * 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 2007 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _SYS_DKTP_CMDK_H
#define _SYS_DKTP_CMDK_H

#ifdef  __cplusplus
extern "C" {
#endif

#include <sys/cmlb.h>
#include <sys/dktp/tgdk.h>

#define CMDK_UNITSHF    6
#define CMDK_MAXPART    (1 << CMDK_UNITSHF)

/*
 * Model number is 40 ASCII characters
 * Serial number is 20 ASCII characters
 */
#define CMDK_HWIDLEN    (64)

struct  cmdk {
        /* set during probe */
        dev_info_t      *dk_dip;
        dev_t           dk_dev;
        struct tgdk_obj *dk_tgobjp;             /* target disk object pointer */

        /* set during attach */
        cmlb_handle_t   dk_cmlbhandle;
        ddi_devid_t     dk_devid;

        kmutex_t        dk_mutex;               /* mutex for cmdk struct */

        long            dk_flag;
        uint64_t        dk_open_reg[OTYPCNT];   /* bit per partition: 2^6 */
        ulong_t         dk_open_lyr[CMDK_MAXPART]; /* OTYP_LYR cnt/partition */
        uint64_t        dk_open_exl;            /* bit per partition: 2^6 */

        struct bbh_obj  dk_bbh_obj;

        /*
         * BBH variables
         * protected by dk_bbh_mutex
         */
        krwlock_t       dk_bbh_mutex;           /* bbh mutex */
        tgdk_iob_handle dk_alts_hdl;            /* iob for V_ALTSCTR */
        uint32_t        dk_altused;             /* num entries in V_ALTSCTR */
        uint32_t        *dk_slc_cnt;            /* entries per slice */
        struct alts_ent **dk_slc_ent;           /* link to remap data */

        /*
         * for power management
         */
        kmutex_t        dk_pm_mutex;
        kcondvar_t      dk_suspend_cv;
        uint32_t        dk_pm_level;
        uint32_t        dk_pm_is_enabled;
};

/*
 * Power Management definitions
 */
#define CMDK_SPINDLE_UNINIT     ((uint_t)(-1))
#define CMDK_SPINDLE_OFF        0x0
#define CMDK_SPINDLE_ON         0x1

/*      common disk flags definitions                                   */
#define CMDK_OPEN               0x1
#define CMDK_SUSPEND            0x2
#define CMDK_TGDK_OPEN          0x4

#define CMDKUNIT(dev) (getminor((dev)) >> CMDK_UNITSHF)
#define CMDKPART(dev) (getminor((dev)) & (CMDK_MAXPART - 1))

#ifdef  __cplusplus
}
#endif

#endif  /* _SYS_DKTP_CMDK_H */