path: root/drivers/scsi/ipr.h

/*
 * ipr.h -- driver for IBM Power Linux RAID adapters
 *
 * Written By: Brian King <brking@us.ibm.com>, IBM Corporation
 *
 * Copyright (C) 2003, 2004 IBM Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Alan Cox <alan@redhat.com> - Removed several careless u32/dma_addr_t errors
 *				that broke 64bit platforms.
 */

#ifndef _IPR_H
#define _IPR_H

#include <linux/types.h>
#include <linux/completion.h>
#include <linux/libata.h>
#include <linux/list.h>
#include <linux/kref.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>

/*
 * Literals
 */
#define IPR_DRIVER_VERSION "2.2.0"
#define IPR_DRIVER_DATE "(September 25, 2006)"

/*
 * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
 *	ops per device for devices not running tagged command queuing.
 *	This can be adjusted at runtime through sysfs device attributes.
 */
#define IPR_MAX_CMD_PER_LUN				6
#define IPR_MAX_CMD_PER_ATA_LUN			1

/*
 * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of
 *	ops the mid-layer can send to the adapter.
 */
#define IPR_NUM_BASE_CMD_BLKS				100

#define IPR_SUBS_DEV_ID_2780	0x0264
#define IPR_SUBS_DEV_ID_5702	0x0266
#define IPR_SUBS_DEV_ID_5703	0x0278
#define IPR_SUBS_DEV_ID_572E  0x028D
#define IPR_SUBS_DEV_ID_573E  0x02D3
#define IPR_SUBS_DEV_ID_573D  0x02D4
#define IPR_SUBS_DEV_ID_571A	0x02C0
#define IPR_SUBS_DEV_ID_571B	0x02BE
#define IPR_SUBS_DEV_ID_571E  0x02BF
#define IPR_SUBS_DEV_ID_571F	0x02D5
#define IPR_SUBS_DEV_ID_572A	0x02C1
#define IPR_SUBS_DEV_ID_572B	0x02C2
#define IPR_SUBS_DEV_ID_575B	0x030D

#define IPR_NAME				"ipr"

/*
 * Return codes
 */
#define IPR_RC_JOB_CONTINUE		1
#define IPR_RC_JOB_RETURN		2

/*
 * IOASCs
 */
#define IPR_IOASC_NR_INIT_CMD_REQUIRED		0x02040200
#define IPR_IOASC_SYNC_REQUIRED			0x023f0000
#define IPR_IOASC_MED_DO_NOT_REALLOC		0x03110C00
#define IPR_IOASC_HW_SEL_TIMEOUT			0x04050000
#define IPR_IOASC_HW_DEV_BUS_STATUS			0x04448500
#define	IPR_IOASC_IOASC_MASK			0xFFFFFF00
#define	IPR_IOASC_SCSI_STATUS_MASK		0x000000FF
#define IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT	0x05240000
#define IPR_IOASC_IR_RESOURCE_HANDLE		0x05250000
#define IPR_IOASC_IR_NO_CMDS_TO_2ND_IOA		0x05258100
#define IPR_IOASA_IR_DUAL_IOA_DISABLED		0x052C8000
#define IPR_IOASC_BUS_WAS_RESET			0x06290000
#define IPR_IOASC_BUS_WAS_RESET_BY_OTHER		0x06298000
#define IPR_IOASC_ABORTED_CMD_TERM_BY_HOST	0x0B5A0000

#define IPR_FIRST_DRIVER_IOASC			0x10000000
#define IPR_IOASC_IOA_WAS_RESET			0x10000001
#define IPR_IOASC_PCI_ACCESS_ERROR			0x10000002

#define IPR_NUM_LOG_HCAMS				2
#define IPR_NUM_CFG_CHG_HCAMS				2
#define IPR_NUM_HCAMS	(IPR_NUM_LOG_HCAMS + IPR_NUM_CFG_CHG_HCAMS)
#define IPR_MAX_NUM_TARGETS_PER_BUS			256
#define IPR_MAX_NUM_LUNS_PER_TARGET			256
#define IPR_MAX_NUM_VSET_LUNS_PER_TARGET	8
#define IPR_VSET_BUS					0xff
#define IPR_IOA_BUS						0xff
#define IPR_IOA_TARGET					0xff
#define IPR_IOA_LUN						0xff
#define IPR_MAX_NUM_BUSES				16
#define IPR_MAX_BUS_TO_SCAN				IPR_MAX_NUM_BUSES

#define IPR_NUM_RESET_RELOAD_RETRIES		3

/* We need resources for HCAMS, IOA reset, IOA bringdown, and ERP */
#define IPR_NUM_INTERNAL_CMD_BL