/*-
 * Copyright (c) 1999,2000 Jonathan Lemon
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: src/sys/dev/ida/idareg.h,v 1.3.2.2 2000/07/27 22:27:39 jlemon Exp $
 * $DragonFly: src/sys/dev/raid/ida/idareg.h,v 1.2 2003/06/17 04:28:27 dillon Exp $
 */

/*
 * #defines and software structures for the Compaq RAID card
 */

/*
 * defines for older EISA controllers (IDA, IDA-2, IAES, SMART)
 */
#define R_EISA_INT_MASK			0x01
#define R_EISA_LOCAL_MASK		0x04
#define R_EISA_LOCAL_DOORBELL		0x05
#define R_EISA_SYSTEM_MASK		0x06
#define R_EISA_SYSTEM_DOORBELL		0x07
#define R_EISA_LIST_ADDR		0x08
#define R_EISA_LIST_LEN			0x0c
#define R_EISA_TAG			0x0f
#define R_EISA_COMPLETE_ADDR		0x10
#define R_EISA_LIST_STATUS		0x16

#define EISA_CHANNEL_BUSY		0x01
#define EISA_CHANNEL_CLEAR		0x02

/*
 * board register offsets for SMART-2 controllers
 */
#define R_CMD_FIFO	0x04
#define R_DONE_FIFO	0x08
#define R_INT_MASK	0x0C
#define R_STATUS	0x10
#define R_INT_PENDING	0x14

/*
 * interrupt mask values for SMART series
 */
#define INT_DISABLE	0x00
#define INT_ENABLE	0x01

/*
 * board offsets for the 42xx series
 */
#define R_42XX_STATUS	0x30
#define R_42XX_INT_MASK	0x34
#define R_42XX_REQUEST	0x40
#define R_42XX_REPLY	0x44

/*
 * interrupt values for 42xx series
 */
#define INT_ENABLE_42XX			0x00
#define INT_DISABLE_42XX		0x08
#define STATUS_42XX_INT_PENDING		0x08

/*
 * return status codes
 */
#define SOFT_ERROR	0x02
#define HARD_ERROR	0x04
#define CMD_REJECTED	0x14

/*
 * command types 
 */
#define	CMD_GET_LOG_DRV_INFO	0x10
#define	CMD_GET_CTRL_INFO	0x11
#define	CMD_SENSE_DRV_STATUS	0x12
#define	CMD_START_RECOVERY	0x13
#define	CMD_GET_PHYS_DRV_INFO	0x15
#define	CMD_BLINK_DRV_LEDS	0x16
#define	CMD_SENSE_DRV_LEDS	0x17
#define	CMD_GET_LOG_DRV_EXT	0x18
#define	CMD_GET_CTRL_INFO	0x11
#define CMD_READ		0x20
#define CMD_WRITE		0x30
#define CMD_WRITE_MEDIA		0x31
#define CMD_GET_CONFIG		0x50
#define CMD_SET_CONFIG		0x51
#define CMD_START_FIRMWARE	0x99		/* for integrated RAID */
#define CMD_FLUSH_CACHE		0xc2

/*
 * command structures
 */
struct ida_drive_info {
	u_int16_t	secsize;
	u_int32_t	secperunit;
	u_int16_t	ncylinders;
	u_int8_t	nheads;
	u_int8_t	signature;
	u_int8_t	psectors;
	u_int16_t	wprecomp;
	u_int8_t	max_acc;
	u_int8_t	control;
	u_int16_t	pcylinders;
	u_int8_t	ptracks;
	u_int16_t	landing_zone;
	u_int8_t	nsectors;
	u_int8_t	checksum;
	u_int8_t	mirror;
} __attribute__ ((packed));

struct ida_controller_info {
	u_int8_t	num_drvs;
	u_int32_t	signature;
	u_int8_t	firm_rev[4];
} __attribute__ ((packed));


struct ida_drive_status {
	u_int8_t	status;
	u_int32_t	failure_map;
	u_int8_t	reserved[416];
	u_int32_t	secrecover;
	u_int8_t	rebuilding;
	u_int16_t	remap_cnt[8];
	u_int32_t	repl_map;
	u_int32_t	spare_map;
	u_int8_t	spare_status;
	u_int8_t	spare_repl_map[32];
	u_int32_t	repl_ok_map;
	u_int8_t	media_exchange;
	u_int8_t	cache_failure;
	u_int8_t	expand_failure;
	u_int8_t	unit_flags;
	u_int16_t	big_failure_map[8];
	u_int16_t	big_remap_cnt[128];
	u_int16_t	big_repl_map[8];
	u_int16_t	big_act_spare_map[8];
	u_int8_t	big_spare_repl_map[128];
	u_int16_t	big_repl_ok_map[8];
	u_int8_t	big_rebuilding;
} __attribute__ ((packed));