/*
   * 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@lxorguk.ukuu.org.uk> - 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 "2.5.0"
  #define IPR_DRIVER_DATE "(February 11, 2010)"

  
  /*

   * 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 PCI_DEVICE_ID_IBM_OBSIDIAN_E	0x0339

  
  #define PCI_DEVICE_ID_IBM_CROC_FPGA_E2          0x033D
  #define PCI_DEVICE_ID_IBM_CROC_ASIC_E2          0x034A

  #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_572F	0x02C3

  #define IPR_SUBS_DEV_ID_574E	0x030A

  #define IPR_SUBS_DEV_ID_575B	0x030D

  #define IPR_SUBS_DEV_ID_575C	0x0338

  #define IPR_SUBS_DEV_ID_57B3	0x033A

  #define IPR_SUBS_DEV_ID_57B7	0x0360
  #define IPR_SUBS_DEV_ID_57B8	0x02C2

  #define IPR_SUBS_DEV_ID_57B4    0x033B
  #define IPR_SUBS_DEV_ID_57B2    0x035F
  #define IPR_SUBS_DEV_ID_57C6    0x0357

  #define IPR_SUBS_DEV_ID_57CC    0x035C

  
  #define IPR_SUBS_DEV_ID_57B5    0x033C
  #define IPR_SUBS_DEV_ID_57CE    0x035E
  #define IPR_SUBS_DEV_ID_57B1    0x0355
  
  #define IPR_SUBS_DEV_ID_574D    0x0356
  #define IPR_SUBS_DEV_ID_575D    0x035D

  #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_NR_IOA_RESET_REQUIRED		0x02048000

  #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

  /* Driver data flags */
  #define IPR_USE_LONG_TRANSOP_TIMEOUT		0x00000001

  #define IPR_USE_PCI_WARM_RESET			0x00000002

  #define IPR_DEFAULT_MAX_ERROR_DUMP			984

  #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_SIS64_TARGETS_PER_BUS			1024
  #define IPR_MAX_SIS64_LUNS_PER_TARGET			0xffffffff

  #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_BLKS	(IPR_NUM_HCAMS + \

                                       ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4)

  
  #define IPR_MAX_COMMANDS		IPR_NUM_BASE_CMD_BLKS
  #define IPR_NUM_CMD_BLKS		(IPR_NUM_BASE_CMD_BLKS + \
  						IPR_NUM_INTERNAL_CMD_BLKS)
  
  #define IPR_MAX_PHYSICAL_DEVS				192

  #define IPR_DEFAULT_SIS64_DEVS				1024
  #define IPR_MAX_SIS64_DEVS				4096

  
  #define IPR_MAX_SGLIST					64
  #define IPR_IOA_MAX_SECTORS				32767
  #define IPR_VSET_MAX_SECTORS				512
  #define IPR_MAX_CDB_LEN					16

  #define IPR_MAX_HRRQ_RETRIES				3

  
  #define IPR_DEFAULT_BUS_WIDTH				16
  #define IPR_80MBs_SCSI_RATE		((80 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
  #define IPR_U160_SCSI_RATE	((160 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
  #define IPR_U320_SCSI_RATE	((320 * 10) / (IPR_DEFAULT_BUS_WIDTH / 8))
  #define IPR_MAX_SCSI_RATE(width) ((320 * 10) / ((width) / 8))
  
  #define IPR_IOA_RES_HANDLE				0xffffffff

  #define IPR_INVALID_RES_HANDLE			0

  #define IPR_IOA_RES_ADDR				0x00ffffff
  
  /*
   * Adapter Commands
   */
  #define IPR_QUERY_RSRC_STATE				0xC2
  #define IPR_RESET_DEVICE				0xC3
  #define	IPR_RESET_TYPE_SELECT				0x80
  #define	IPR_LUN_RESET					0x40
  #define	IPR_TARGET_RESET					0x20
  #define	IPR_BUS_RESET					0x10

  #define	IPR_ATA_PHY_RESET					0x80

  #define IPR_ID_HOST_RR_Q				0xC4
  #define IPR_QUERY_IOA_CONFIG				0xC5
  #define IPR_CANCEL_ALL_REQUESTS			0xCE
  #define IPR_HOST_CONTROLLED_ASYNC			0xCF
  #define	IPR_HCAM_CDB_OP_CODE_CONFIG_CHANGE	0x01
  #define	IPR_HCAM_CDB_OP_CODE_LOG_DATA		0x02
  #define IPR_SET_SUPPORTED_DEVICES			0xFB

  #define IPR_SET_ALL_SUPPORTED_DEVICES			0x80

  #define IPR_IOA_SHUTDOWN				0xF7
  #define	IPR_WR_BUF_DOWNLOAD_AND_SAVE			0x05
  
  /*
   * Timeouts
   */
  #define IPR_SHUTDOWN_TIMEOUT			(ipr_fastfail ? 60 * HZ : 10 * 60 * HZ)
  #define IPR_VSET_RW_TIMEOUT			(ipr_fastfail ? 30 * HZ : 2 * 60 * HZ)
  #define IPR_ABBREV_SHUTDOWN_TIMEOUT		(10 * HZ)

  #define IPR_DUAL_IOA_ABBR_SHUTDOWN_TO	(2 * 60 * HZ)

  #define IPR_DEVICE_RESET_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
  #define IPR_CANCEL_ALL_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
  #define IPR_ABORT_TASK_TIMEOUT		(ipr_fastfail ? 10 * HZ : 30 * HZ)
  #define IPR_INTERNAL_TIMEOUT			(ipr_fastfail ? 10 * HZ : 30 * HZ)
  #define IPR_WRITE_BUFFER_TIMEOUT		(10 * 60 * HZ)
  #define IPR_SET_SUP_DEVICE_TIMEOUT		(2 * 60 * HZ)
  #define IPR_REQUEST_SENSE_TIMEOUT		(10 * HZ)
  #define IPR_OPERATIONAL_TIMEOUT		(5 * 60)

  #define IPR_LONG_OPERATIONAL_TIMEOUT	(12 * 60)

  #define IPR_WAIT_FOR_RESET_TIMEOUT		(2 * HZ)
  #define IPR_CHECK_FOR_RESET_TIMEOUT		(HZ / 10)
  #define IPR_WAIT_FOR_BIST_TIMEOUT		(2 * HZ)

  #define IPR_PCI_RESET_TIMEOUT			(HZ / 2)

  #define IPR_DUMP_TIMEOUT			(15 * HZ)
  
  /*
   * SCSI Literals
   */
  #define IPR_VENDOR_ID_LEN			8
  #define IPR_PROD_ID_LEN				16
  #define IPR_SERIAL_NUM_LEN			8
  
  /*
   * Hardware literals
   */
  #define IPR_FMT2_MBX_ADDR_MASK				0x0fffffff
  #define IPR_FMT2_MBX_BAR_SEL_MASK			0xf0000000
  #define IPR_FMT2_MKR_BAR_SEL_SHIFT			28
  #define IPR_GET_FMT2_BAR_SEL(mbx) \
  (((mbx) & IPR_FMT2_MBX_BAR_SEL_MASK) >> IPR_FMT2_MKR_BAR_SEL_SHIFT)
  #define IPR_SDT_FMT2_BAR0_SEL				0x0
  #define IPR_SDT_FMT2_BAR1_SEL				0x1
  #define IPR_SDT_FMT2_BAR2_SEL				0x2
  #define IPR_SDT_FMT2_BAR3_SEL				0x3
  #define IPR_SDT_FMT2_BAR4_SEL				0x4
  #define IPR_SDT_FMT2_BAR5_SEL				0x5
  #define IPR_SDT_FMT2_EXP_ROM_SEL			0x8
  #define IPR_FMT2_SDT_READY_TO_USE			0xC4D4E3F2

  #define IPR_FMT3_SDT_READY_TO_USE			0xC4D4E3F3

  #define IPR_DOORBELL					0x82800000

  #define IPR_RUNTIME_RESET				0x40000000

  #define IPR_IPL_INIT_MIN_STAGE_TIME			5

  #define IPR_IPL_INIT_DEFAULT_STAGE_TIME                 15

  #define IPR_IPL_INIT_STAGE_UNKNOWN			0x0
  #define IPR_IPL_INIT_STAGE_TRANSOP			0xB0000000
  #define IPR_IPL_INIT_STAGE_MASK				0xff000000
  #define IPR_IPL_INIT_STAGE_TIME_MASK			0x0000ffff
  #define IPR_PCII_IPL_STAGE_CHANGE			(0x80000000 >> 0)

  #define IPR_PCII_IOA_TRANS_TO_OPER			(0x80000000 >> 0)
  #define IPR_PCII_IOARCB_XFER_FAILED			(0x80000000 >> 3)
  #define IPR_PCII_IOA_UNIT_CHECKED			(0x80000000 >> 4)
  #define IPR_PCII_NO_HOST_RRQ				(0x80000000 >> 5)
  #define IPR_PCII_CRITICAL_OPERATION			(0x80000000 >> 6)
  #define IPR_PCII_IO_DEBUG_ACKNOWLEDGE		(0x80000000 >> 7)
  #define IPR_PCII_IOARRIN_LOST				(0x80000000 >> 27)
  #define IPR_PCII_MMIO_ERROR				(0x80000000 >> 28)
  #define IPR_PCII_PROC_ERR_STATE			(0x80000000 >> 29)
  #define IPR_PCII_HRRQ_UPDATED				(0x80000000 >> 30)
  #define IPR_PCII_CORE_ISSUED_RST_REQ		(0x80000000 >> 31)
  
  #define IPR_PCII_ERROR_INTERRUPTS \
  (IPR_PCII_IOARCB_XFER_FAILED | IPR_PCII_IOA_UNIT_CHECKED | \
  IPR_PCII_NO_HOST_RRQ | IPR_PCII_IOARRIN_LOST | IPR_PCII_MMIO_ERROR)
  
  #define IPR_PCII_OPER_INTERRUPTS \
  (IPR_PCII_ERROR_INTERRUPTS | IPR_PCII_HRRQ_UPDATED | IPR_PCII_IOA_TRANS_TO_OPER)
  
  #define IPR_UPROCI_RESET_ALERT			(0x80000000 >> 7)
  #define IPR_UPROCI_IO_DEBUG_ALERT			(0x80000000 >> 9)

  #define IPR_UPROCI_SIS64_START_BIST			(0x80000000 >> 23)

  
  #define IPR_LDUMP_MAX_LONG_ACK_DELAY_IN_USEC		200000	/* 200 ms */
  #define IPR_LDUMP_MAX_SHORT_ACK_DELAY_IN_USEC		200000	/* 200 ms */
  
  /*
   * Dump literals
   */
  #define IPR_MAX_IOA_DUMP_SIZE				(4 * 1024 * 1024)
  #define IPR_NUM_SDT_ENTRIES				511
  #define IPR_MAX_NUM_DUMP_PAGES	((IPR_MAX_IOA_DUMP_SIZE / PAGE_SIZE) + 1)
  
  /*
   * Misc literals
   */
  #define IPR_NUM_IOADL_ENTRIES			IPR_MAX_SGLIST
  
  /*
   * Adapter interface types
   */
  
  struct ipr_res_addr {
  	u8 reserved;
  	u8 bus;
  	u8 target;
  	u8 lun;
  #define IPR_GET_PHYS_LOC(res_addr) \
  	(((res_addr).bus << 16) | ((res_addr).target << 8) | (res_addr).lun)
  }__attribute__((packed, aligned (4)));
  
  struct ipr_std_inq_vpids {
  	u8 vendor_id[IPR_VENDOR_ID_LEN];
  	u8 product_id[IPR_PROD_ID_LEN];
  }__attribute__((packed));

  struct ipr_vpd {
  	struct ipr_std_inq_vpids vpids;
  	u8 sn[IPR_SERIAL_NUM_LEN];
  }__attribute__((packed));

  struct ipr_ext_vpd {
  	struct ipr_vpd vpd;
  	__be32 wwid[2];
  }__attribute__((packed));

  struct ipr_std_inq_data {
  	u8 peri_qual_dev_type;
  #define IPR_STD_INQ_PERI_QUAL(peri) ((peri) >> 5)
  #define IPR_STD_INQ_PERI_DEV_TYPE(peri) ((peri) & 0x1F)
  
  	u8 removeable_medium_rsvd;
  #define IPR_STD_INQ_REMOVEABLE_MEDIUM 0x80
  
  #define IPR_IS_DASD_DEVICE(std_inq) \
  ((IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_DISK) && \
  !(((std_inq).removeable_medium_rsvd) & IPR_STD_INQ_REMOVEABLE_MEDIUM))
  
  #define IPR_IS_SES_DEVICE(std_inq) \
  (IPR_STD_INQ_PERI_DEV_TYPE((std_inq).peri_qual_dev_type) == TYPE_ENCLOSURE)
  
  	u8 version;
  	u8 aen_naca_fmt;
  	u8 additional_len;
  	u8 sccs_rsvd;
  	u8 bq_enc_multi;
  	u8 sync_cmdq_flags;
  
  	struct ipr_std_inq_vpids vpids;
  
  	u8 ros_rsvd_ram_rsvd[4];
  
  	u8 serial_num[IPR_SERIAL_NUM_LEN];
  }__attribute__ ((packed));

  #define IPR_RES_TYPE_AF_DASD		0x00
  #define IPR_RES_TYPE_GENERIC_SCSI	0x01
  #define IPR_RES_TYPE_VOLUME_SET		0x02
  #define IPR_RES_TYPE_REMOTE_AF_DASD	0x03
  #define IPR_RES_TYPE_GENERIC_ATA	0x04
  #define IPR_RES_TYPE_ARRAY		0x05
  #define IPR_RES_TYPE_IOAFP		0xff

  struct ipr_config_table_entry {

  	u8 proto;
  #define IPR_PROTO_SATA			0x02
  #define IPR_PROTO_SATA_ATAPI		0x03
  #define IPR_PROTO_SAS_STP		0x06

  #define IPR_PROTO_SAS_STP_ATAPI		0x07

  	u8 array_id;
  	u8 flags;

  #define IPR_IS_IOA_RESOURCE		0x80

  	u8 rsvd_subtype;

  
  #define IPR_QUEUEING_MODEL(res)	((((res)->flags) & 0x70) >> 4)
  #define IPR_QUEUE_FROZEN_MODEL		0

  #define IPR_QUEUE_NACA_MODEL		1

  	struct ipr_res_addr res_addr;
  	__be32 res_handle;
  	__be32 reserved4[2];
  	struct ipr_std_inq_data std_inq_data;
  }__attribute__ ((packed, aligned (4)));

  struct ipr_config_table_entry64 {
  	u8 res_type;
  	u8 proto;
  	u8 vset_num;
  	u8 array_id;
  	__be16 flags;
  	__be16 res_flags;
  #define IPR_QUEUEING_MODEL64(res) ((((res)->res_flags) & 0x7000) >> 12)
  	__be32 res_handle;
  	u8 dev_id_type;
  	u8 reserved[3];
  	__be64 dev_id;
  	__be64 lun;
  	__be64 lun_wwn[2];
  #define IPR_MAX_RES_PATH_LENGTH		24
  	__be64 res_path;
  	struct ipr_std_inq_data std_inq_data;
  	u8 reserved2[4];
  	__be64 reserved3[2]; // description text
  	u8 reserved4[8];
  }__attribute__ ((packed, aligned (8)));

  struct ipr_config_table_hdr {
  	u8 num_entries;
  	u8 flags;
  #define IPR_UCODE_DOWNLOAD_REQ	0x10
  	__be16 reserved;
  }__attribute__((packed, aligned (4)));

  struct ipr_config_table_hdr64 {
  	__be16 num_entries;
  	__be16 reserved;
  	u8 flags;
  	u8 reserved2[11];
  }__attribute__((packed, aligned (4)));

  struct ipr_config_table {
  	struct ipr_config_table_hdr hdr;

  	struct ipr_config_table_entry dev[0];

  }__attribute__((packed, aligned (4)));

  struct ipr_config_table64 {
  	struct ipr_config_table_hdr64 hdr64;
  	struct ipr_config_table_entry64 dev[0];
  }__attribute__((packed, aligned (8)));
  
  struct ipr_config_table_entry_wrapper {
  	union {
  		struct ipr_config_table_entry *cfgte;
  		struct ipr_config_table_entry64 *cfgte64;
  	} u;
  };

  struct ipr_hostrcb_cfg_ch_not {

  	union {
  		struct ipr_config_table_entry cfgte;
  		struct ipr_config_table_entry64 cfgte64;
  	} u;

  	u8 reserved[936];
  }__attribute__((packed, aligned (4)));
  
  struct ipr_supported_device {
  	__be16 data_length;
  	u8 reserved;
  	u8 num_records;
  	struct ipr_std_inq_vpids vpids;
  	u8 reserved2[16];
  }__attribute__((packed, aligned (4)));
  
  /* Command packet structure */
  struct ipr_cmd_pkt {
  	__be16 reserved;		/* Reserved by IOA */
  	u8 request_type;
  #define IPR_RQTYPE_SCSICDB		0x00
  #define IPR_RQTYPE_IOACMD		0x01
  #define IPR_RQTYPE_HCAM			0x02

  #define IPR_RQTYPE_ATA_PASSTHRU	0x04

  	u8 reserved2;

  
  	u8 flags_hi;
  #define IPR_FLAGS_HI_WRITE_NOT_READ		0x80
  #define IPR_FLAGS_HI_NO_ULEN_CHK		0x20
  #define IPR_FLAGS_HI_SYNC_OVERRIDE		0x10
  #define IPR_FLAGS_HI_SYNC_COMPLETE		0x08
  #define IPR_FLAGS_HI_NO_LINK_DESC		0x04
  
  	u8 flags_lo;
  #define IPR_FLAGS_LO_ALIGNED_BFR		0x20
  #define IPR_FLAGS_LO_DELAY_AFTER_RST	0x10
  #define IPR_FLAGS_LO_UNTAGGED_TASK		0x00
  #define IPR_FLAGS_LO_SIMPLE_TASK		0x02
  #define IPR_FLAGS_LO_ORDERED_TASK		0x04
  #define IPR_FLAGS_LO_HEAD_OF_Q_TASK		0x06
  #define IPR_FLAGS_LO_ACA_TASK			0x08
  
  	u8 cdb[16];
  	__be16 timeout;
  }__attribute__ ((packed, aligned(4)));

  struct ipr_ioarcb_ata_regs {	/* 22 bytes */

  	u8 flags;
  #define IPR_ATA_FLAG_PACKET_CMD			0x80
  #define IPR_ATA_FLAG_XFER_TYPE_DMA			0x40
  #define IPR_ATA_FLAG_STATUS_ON_GOOD_COMPLETION	0x20
  	u8 reserved[3];
  
  	__be16 data;
  	u8 feature;
  	u8 nsect;
  	u8 lbal;
  	u8 lbam;
  	u8 lbah;
  	u8 device;
  	u8 command;
  	u8 reserved2[3];
  	u8 hob_feature;
  	u8 hob_nsect;
  	u8 hob_lbal;
  	u8 hob_lbam;
  	u8 hob_lbah;
  	u8 ctl;
  }__attribute__ ((packed, aligned(4)));

  struct ipr_ioadl_desc {
  	__be32 flags_and_data_len;
  #define IPR_IOADL_FLAGS_MASK		0xff000000
  #define IPR_IOADL_GET_FLAGS(x) (be32_to_cpu(x) & IPR_IOADL_FLAGS_MASK)
  #define IPR_IOADL_DATA_LEN_MASK		0x00ffffff
  #define IPR_IOADL_GET_DATA_LEN(x) (be32_to_cpu(x) & IPR_IOADL_DATA_LEN_MASK)
  #define IPR_IOADL_FLAGS_READ		0x48000000
  #define IPR_IOADL_FLAGS_READ_LAST	0x49000000
  #define IPR_IOADL_FLAGS_WRITE		0x68000000
  #define IPR_IOADL_FLAGS_WRITE_LAST	0x69000000
  #define IPR_IOADL_FLAGS_LAST		0x01000000
  
  	__be32 address;
  }__attribute__((packed, aligned (8)));

  struct ipr_ioadl64_desc {
  	__be32 flags;
  	__be32 data_len;
  	__be64 address;
  }__attribute__((packed, aligned (16)));
  
  struct ipr_ata64_ioadl {
  	struct ipr_ioarcb_ata_regs regs;
  	u16 reserved[5];
  	struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
  }__attribute__((packed, aligned (16)));

  struct ipr_ioarcb_add_data {
  	union {
  		struct ipr_ioarcb_ata_regs regs;

  		struct ipr_ioadl_desc ioadl[5];

  		__be32 add_cmd_parms[10];

  	} u;
  }__attribute__ ((packed, aligned (4)));
  
  struct ipr_ioarcb_sis64_add_addr_ecb {
  	__be64 ioasa_host_pci_addr;
  	__be64 data_ioadl_addr;
  	__be64 reserved;
  	__be32 ext_control_buf[4];
  }__attribute__((packed, aligned (8)));

  /* IOA Request Control Block    128 bytes  */
  struct ipr_ioarcb {

  	union {
  		__be32 ioarcb_host_pci_addr;
  		__be64 ioarcb_host_pci_addr64;
  	} a;

  	__be32 res_handle;
  	__be32 host_response_handle;
  	__be32 reserved1;
  	__be32 reserved2;
  	__be32 reserved3;

  	__be32 data_transfer_length;

  	__be32 read_data_transfer_length;
  	__be32 write_ioadl_addr;

  	__be32 ioadl_len;

  	__be32 read_ioadl_addr;
  	__be32 read_ioadl_len;
  
  	__be32 ioasa_host_pci_addr;
  	__be16 ioasa_len;
  	__be16 reserved4;
  
  	struct ipr_cmd_pkt cmd_pkt;

  	__be16 add_cmd_parms_offset;
  	__be16 add_cmd_parms_len;
  
  	union {
  		struct ipr_ioarcb_add_data add_data;
  		struct ipr_ioarcb_sis64_add_addr_ecb sis64_addr_data;
  	} u;

  }__attribute__((packed, aligned (4)));

  struct ipr_ioasa_vset {
  	__be32 failing_lba_hi;
  	__be32 failing_lba_lo;

  	__be32 reserved;

  }__attribute__((packed, aligned (4)));
  
  struct ipr_ioasa_af_dasd {
  	__be32 failing_lba;

  	__be32 reserved[2];

  }__attribute__((packed, aligned (4)));
  
  struct ipr_ioasa_gpdd {
  	u8 end_state;
  	u8 bus_phase;
  	__be16 reserved;

  	__be32 ioa_data[2];

  }__attribute__((packed, aligned (4)));

  struct ipr_ioasa_gata {
  	u8 error;
  	u8 nsect;		/* Interrupt reason */
  	u8 lbal;
  	u8 lbam;
  	u8 lbah;
  	u8 device;
  	u8 status;
  	u8 alt_status;	/* ATA CTL */
  	u8 hob_nsect;
  	u8 hob_lbal;
  	u8 hob_lbam;
  	u8 hob_lbah;
  }__attribute__((packed, aligned (4)));

  struct ipr_auto_sense {
  	__be16 auto_sense_len;
  	__be16 ioa_data_len;
  	__be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
  };

  struct ipr_ioasa_hdr {

  	__be32 ioasc;
  #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
  #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
  #define IPR_IOASC_SENSE_QUAL(ioasc) (((ioasc) & 0x0000ff00) >> 8)
  #define IPR_IOASC_SENSE_STATUS(ioasc) ((ioasc) & 0x000000ff)
  
  	__be16 ret_stat_len;	/* Length of the returned IOASA */
  
  	__be16 avail_stat_len;	/* Total Length of status available. */
  
  	__be32 residual_data_len;	/* number of bytes in the host data */
  	/* buffers that were not used by the IOARCB command. */
  
  	__be32 ilid;
  #define IPR_NO_ILID			0
  #define IPR_DRIVER_ILID		0xffffffff
  
  	__be32 fd_ioasc;
  
  	__be32 fd_phys_locator;
  
  	__be32 fd_res_handle;
  
  	__be32 ioasc_specific;	/* status code specific field */

  #define IPR_ADDITIONAL_STATUS_FMT		0x80000000
  #define IPR_AUTOSENSE_VALID			0x40000000

  #define IPR_ATA_DEVICE_WAS_RESET		0x20000000

  #define IPR_IOASC_SPECIFIC_MASK		0x00ffffff
  #define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)
  #define IPR_FIELD_POINTER_MASK		0x0000ffff

  }__attribute__((packed, aligned (4)));
  
  struct ipr_ioasa {
  	struct ipr_ioasa_hdr hdr;
  
  	union {
  		struct ipr_ioasa_vset vset;
  		struct ipr_ioasa_af_dasd dasd;
  		struct ipr_ioasa_gpdd gpdd;
  		struct ipr_ioasa_gata gata;
  	} u;
  
  	struct ipr_auto_sense auto_sense;
  }__attribute__((packed, aligned (4)));
  
  struct ipr_ioasa64 {
  	struct ipr_ioasa_hdr hdr;
  	u8 fd_res_path[8];

  	union {
  		struct ipr_ioasa_vset vset;
  		struct ipr_ioasa_af_dasd dasd;
  		struct ipr_ioasa_gpdd gpdd;

  		struct ipr_ioasa_gata gata;

  	} u;

  
  	struct ipr_auto_sense auto_sense;

  }__attribute__((packed, aligned (4)));
  
  struct ipr_mode_parm_hdr {
  	u8 length;
  	u8 medium_type;
  	u8 device_spec_parms;
  	u8 block_desc_len;
  }__attribute__((packed));
  
  struct ipr_mode_pages {
  	struct ipr_mode_parm_hdr hdr;
  	u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
  }__attribute__((packed));
  
  struct ipr_mode_page_hdr {
  	u8 ps_page_code;
  #define IPR_MODE_PAGE_PS	0x80
  #define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
  	u8 page_length;
  }__attribute__ ((packed));
  
  struct ipr_dev_bus_entry {
  	struct ipr_res_addr res_addr;
  	u8 flags;
  #define IPR_SCSI_ATTR_ENABLE_QAS			0x80
  #define IPR_SCSI_ATTR_DISABLE_QAS			0x40
  #define IPR_SCSI_ATTR_QAS_MASK				0xC0
  #define IPR_SCSI_ATTR_ENABLE_TM				0x20
  #define IPR_SCSI_ATTR_NO_TERM_PWR			0x10
  #define IPR_SCSI_ATTR_TM_SUPPORTED			0x08
  #define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED	0x04
  
  	u8 scsi_id;
  	u8 bus_width;
  	u8 extended_reset_delay;
  #define IPR_EXTENDED_RESET_DELAY	7
  
  	__be32 max_xfer_rate;
  
  	u8 spinup_delay;
  	u8 reserved3;
  	__be16 reserved4;
  }__attribute__((packed, aligned (4)));
  
  struct ipr_mode_page28 {
  	struct ipr_mode_page_hdr hdr;
  	u8 num_entries;
  	u8 entry_length;
  	struct ipr_dev_bus_entry bus[0];
  }__attribute__((packed));

  struct ipr_mode_page24 {
  	struct ipr_mode_page_hdr hdr;
  	u8 flags;
  #define IPR_ENABLE_DUAL_IOA_AF 0x80
  }__attribute__((packed));

  struct ipr_ioa_vpd {
  	struct ipr_std_inq_data std_inq_data;
  	u8 ascii_part_num[12];
  	u8 reserved[40];
  	u8 ascii_plant_code[4];
  }__attribute__((packed));
  
  struct ipr_inquiry_page3 {
  	u8 peri_qual_dev_type;
  	u8 page_code;
  	u8 reserved1;
  	u8 page_length;
  	u8 ascii_len;
  	u8 reserved2[3];
  	u8 load_id[4];
  	u8 major_release;
  	u8 card_type;
  	u8 minor_release[2];
  	u8 ptf_number[4];
  	u8 patch_number[4];
  }__attribute__((packed));

  struct ipr_inquiry_cap {
  	u8 peri_qual_dev_type;
  	u8 page_code;
  	u8 reserved1;
  	u8 page_length;
  	u8 ascii_len;
  	u8 reserved2;
  	u8 sis_version[2];
  	u8 cap;
  #define IPR_CAP_DUAL_IOA_RAID		0x80
  	u8 reserved3[15];
  }__attribute__((packed));

  #define IPR_INQUIRY_PAGE0_ENTRIES 20
  struct ipr_inquiry_page0 {
  	u8 peri_qual_dev_type;
  	u8 page_code;
  	u8 reserved1;
  	u8 len;
  	u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
  }__attribute__((packed));

  struct ipr_hostrcb_device_data_entry {

  	struct ipr_vpd vpd;

  	struct ipr_res_addr dev_res_addr;

  	struct ipr_vpd new_vpd;
  	struct ipr_vpd ioa_last_with_dev_vpd;
  	struct ipr_vpd cfc_last_with_dev_vpd;

  	__be32 ioa_data[5];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_device_data_entry_enhanced {
  	struct ipr_ext_vpd vpd;
  	u8 ccin[4];
  	struct ipr_res_addr dev_res_addr;
  	struct ipr_ext_vpd new_vpd;
  	u8 new_ccin[4];
  	struct ipr_ext_vpd ioa_last_with_dev_vpd;
  	struct ipr_ext_vpd cfc_last_with_dev_vpd;
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb64_device_data_entry_enhanced {
  	struct ipr_ext_vpd vpd;
  	u8 ccin[4];
  	u8 res_path[8];
  	struct ipr_ext_vpd new_vpd;
  	u8 new_ccin[4];
  	struct ipr_ext_vpd ioa_last_with_dev_vpd;
  	struct ipr_ext_vpd cfc_last_with_dev_vpd;
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_array_data_entry {

  	struct ipr_vpd vpd;

  	struct ipr_res_addr expected_dev_res_addr;
  	struct ipr_res_addr dev_res_addr;
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb64_array_data_entry {
  	struct ipr_ext_vpd vpd;
  	u8 ccin[4];
  	u8 expected_res_path[8];
  	u8 res_path[8];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_array_data_entry_enhanced {
  	struct ipr_ext_vpd vpd;
  	u8 ccin[4];
  	struct ipr_res_addr expected_dev_res_addr;
  	struct ipr_res_addr dev_res_addr;
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_ff_error {

  	__be32 ioa_data[758];

  }__attribute__((packed, aligned (4)));
  
  struct ipr_hostrcb_type_01_error {
  	__be32 seek_counter;
  	__be32 read_counter;
  	u8 sense_data[32];
  	__be32 ioa_data[236];
  }__attribute__((packed, aligned (4)));
  
  struct ipr_hostrcb_type_02_error {

  	struct ipr_vpd ioa_vpd;
  	struct ipr_vpd cfc_vpd;
  	struct ipr_vpd ioa_last_attached_to_cfc_vpd;
  	struct ipr_vpd cfc_last_attached_to_ioa_vpd;

  	__be32 ioa_data[3];

  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_12_error {
  	struct ipr_ext_vpd ioa_vpd;
  	struct ipr_ext_vpd cfc_vpd;
  	struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
  	struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
  	__be32 ioa_data[3];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_03_error {

  	struct ipr_vpd ioa_vpd;
  	struct ipr_vpd cfc_vpd;

  	__be32 errors_detected;
  	__be32 errors_logged;
  	u8 ioa_data[12];

  	struct ipr_hostrcb_device_data_entry dev[3];

  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_13_error {
  	struct ipr_ext_vpd ioa_vpd;
  	struct ipr_ext_vpd cfc_vpd;
  	__be32 errors_detected;
  	__be32 errors_logged;
  	struct ipr_hostrcb_device_data_entry_enhanced dev[3];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_23_error {
  	struct ipr_ext_vpd ioa_vpd;
  	struct ipr_ext_vpd cfc_vpd;
  	__be32 errors_detected;
  	__be32 errors_logged;
  	struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_04_error {

  	struct ipr_vpd ioa_vpd;
  	struct ipr_vpd cfc_vpd;

  	u8 ioa_data[12];
  	struct ipr_hostrcb_array_data_entry array_member[10];
  	__be32 exposed_mode_adn;
  	__be32 array_id;

  	struct ipr_vpd incomp_dev_vpd;

  	__be32 ioa_data2;
  	struct ipr_hostrcb_array_data_entry array_member2[8];
  	struct ipr_res_addr last_func_vset_res_addr;
  	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
  	u8 protection_level[8];

  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_14_error {
  	struct ipr_ext_vpd ioa_vpd;
  	struct ipr_ext_vpd cfc_vpd;
  	__be32 exposed_mode_adn;
  	__be32 array_id;
  	struct ipr_res_addr last_func_vset_res_addr;
  	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
  	u8 protection_level[8];
  	__be32 num_entries;
  	struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_24_error {
  	struct ipr_ext_vpd ioa_vpd;
  	struct ipr_ext_vpd cfc_vpd;
  	u8 reserved[2];
  	u8 exposed_mode_adn;
  #define IPR_INVALID_ARRAY_DEV_NUM		0xff
  	u8 array_id;
  	u8 last_res_path[8];
  	u8 protection_level[8];
  	struct ipr_ext_vpd array_vpd;
  	u8 description[16];
  	u8 reserved2[3];
  	u8 num_entries;
  	struct ipr_hostrcb64_array_data_entry array_member[32];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_07_error {
  	u8 failure_reason[64];
  	struct ipr_vpd vpd;
  	u32 data[222];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_17_error {
  	u8 failure_reason[64];
  	struct ipr_ext_vpd vpd;
  	u32 data[476];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_config_element {
  	u8 type_status;
  #define IPR_PATH_CFG_TYPE_MASK	0xF0
  #define IPR_PATH_CFG_NOT_EXIST	0x00
  #define IPR_PATH_CFG_IOA_PORT		0x10
  #define IPR_PATH_CFG_EXP_PORT		0x20
  #define IPR_PATH_CFG_DEVICE_PORT	0x30
  #define IPR_PATH_CFG_DEVICE_LUN	0x40
  
  #define IPR_PATH_CFG_STATUS_MASK	0x0F
  #define IPR_PATH_CFG_NO_PROB		0x00
  #define IPR_PATH_CFG_DEGRADED		0x01
  #define IPR_PATH_CFG_FAILED		0x02
  #define IPR_PATH_CFG_SUSPECT		0x03
  #define IPR_PATH_NOT_DETECTED		0x04
  #define IPR_PATH_INCORRECT_CONN	0x05
  
  	u8 cascaded_expander;
  	u8 phy;
  	u8 link_rate;
  #define IPR_PHY_LINK_RATE_MASK	0x0F
  
  	__be32 wwid[2];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb64_config_element {
  	__be16 length;
  	u8 descriptor_id;
  #define IPR_DESCRIPTOR_MASK		0xC0
  #define IPR_DESCRIPTOR_SIS64		0x00
  
  	u8 reserved;
  	u8 type_status;
  
  	u8 reserved2[2];
  	u8 link_rate;
  
  	u8 res_path[8];
  	__be32 wwid[2];
  }__attribute__((packed, aligned (8)));

  struct ipr_hostrcb_fabric_desc {
  	__be16 length;
  	u8 ioa_port;
  	u8 cascaded_expander;
  	u8 phy;
  	u8 path_state;
  #define IPR_PATH_ACTIVE_MASK		0xC0
  #define IPR_PATH_NO_INFO		0x00
  #define IPR_PATH_ACTIVE			0x40
  #define IPR_PATH_NOT_ACTIVE		0x80
  
  #define IPR_PATH_STATE_MASK		0x0F
  #define IPR_PATH_STATE_NO_INFO	0x00
  #define IPR_PATH_HEALTHY		0x01
  #define IPR_PATH_DEGRADED		0x02
  #define IPR_PATH_FAILED			0x03
  
  	__be16 num_entries;
  	struct ipr_hostrcb_config_element elem[1];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb64_fabric_desc {
  	__be16 length;
  	u8 descriptor_id;

  	u8 reserved[2];

  	u8 path_state;
  
  	u8 reserved2[2];
  	u8 res_path[8];
  	u8 reserved3[6];
  	__be16 num_entries;
  	struct ipr_hostrcb64_config_element elem[1];
  }__attribute__((packed, aligned (8)));

  #define for_each_fabric_cfg(fabric, cfg) \
  		for (cfg = (fabric)->elem; \
  			cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
  			cfg++)
  
  struct ipr_hostrcb_type_20_error {
  	u8 failure_reason[64];
  	u8 reserved[3];
  	u8 num_entries;
  	struct ipr_hostrcb_fabric_desc desc[1];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_type_30_error {
  	u8 failure_reason[64];
  	u8 reserved[3];
  	u8 num_entries;
  	struct ipr_hostrcb64_fabric_desc desc[1];
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb_error {

  	__be32 fd_ioasc;
  	struct ipr_res_addr fd_res_addr;
  	__be32 fd_res_handle;

  	__be32 prc;
  	union {
  		struct ipr_hostrcb_type_ff_error type_ff_error;
  		struct ipr_hostrcb_type_01_error type_01_error;
  		struct ipr_hostrcb_type_02_error type_02_error;
  		struct ipr_hostrcb_type_03_error type_03_error;
  		struct ipr_hostrcb_type_04_error type_04_error;

  		struct ipr_hostrcb_type_07_error type_07_error;

  		struct ipr_hostrcb_type_12_error type_12_error;
  		struct ipr_hostrcb_type_13_error type_13_error;
  		struct ipr_hostrcb_type_14_error type_14_error;
  		struct ipr_hostrcb_type_17_error type_17_error;

  		struct ipr_hostrcb_type_20_error type_20_error;

  	} u;
  }__attribute__((packed, aligned (4)));

  struct ipr_hostrcb64_error {
  	__be32 fd_ioasc;
  	__be32 ioa_fw_level;
  	__be32 fd_res_handle;
  	__be32 prc;
  	__be64 fd_dev_id;
  	__be64 fd_lun;
  	u8 fd_res_path[8];
  	__be64 time_stamp;

  	u8 reserved[16];

  	union {
  		struct ipr_hostrcb_type_ff_error type_ff_error;
  		struct ipr_hostrcb_type_12_error type_12_error;
  		struct ipr_hostrcb_type_17_error type_17_error;
  		struct ipr_hostrcb_type_23_error type_23_error;
  		struct ipr_hostrcb_type_24_error type_24_error;
  		struct ipr_hostrcb_type_30_error type_30_error;
  	} u;
  }__attribute__((packed, aligned (8)));

  struct ipr_hostrcb_raw {
  	__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
  }__attribute__((packed, aligned (4)));
  
  struct ipr_hcam {
  	u8 op_code;
  #define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE			0xE1
  #define IPR_HOST_RCB_OP_CODE_LOG_DATA				0xE2
  
  	u8 notify_type;
  #define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED	0x00
  #define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY			0x01
  #define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY			0x02
  #define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY		0x10
  #define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY	0x11
  
  	u8 notifications_lost;
  #define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST			0
  #define IPR_HOST_RCB_NOTIFICATIONS_LOST				0x80
  
  	u8 flags;
  #define IPR_HOSTRCB_INTERNAL_OPER	0x80
  #define IPR_HOSTRCB_ERR_RESP_SENT	0x40
  
  	u8 overlay_id;
  #define IPR_HOST_RCB_OVERLAY_ID_1				0x01
  #define IPR_HOST_RCB_OVERLAY_ID_2				0x02
  #define IPR_HOST_RCB_OVERLAY_ID_3				0x03
  #define IPR_HOST_RCB_OVERLAY_ID_4				0x04
  #define IPR_HOST_RCB_OVERLAY_ID_6				0x06

  #define IPR_HOST_RCB_OVERLAY_ID_7				0x07

  #define IPR_HOST_RCB_OVERLAY_ID_12				0x12
  #define IPR_HOST_RCB_OVERLAY_ID_13				0x13
  #define IPR_HOST_RCB_OVERLAY_ID_14				0x14
  #define IPR_HOST_RCB_OVERLAY_ID_16				0x16
  #define IPR_HOST_RCB_OVERLAY_ID_17				0x17

  #define IPR_HOST_RCB_OVERLAY_ID_20				0x20

  #define IPR_HOST_RCB_OVERLAY_ID_23				0x23
  #define IPR_HOST_RCB_OVERLAY_ID_24				0x24
  #define IPR_HOST_RCB_OVERLAY_ID_26				0x26
  #define IPR_HOST_RCB_OVERLAY_ID_30				0x30
  #define IPR_HOST_RCB_OVERLAY_ID_DEFAULT				0xFF

  
  	u8 reserved1[3];
  	__be32 ilid;
  	__be32 time_since_last_ioa_reset;
  	__be32 reserved2;
  	__be32 length;
  
  	union {
  		struct ipr_hostrcb_error error;

  		struct ipr_hostrcb64_error error64;

  		struct ipr_hostrcb_cfg_ch_not ccn;
  		struct ipr_hostrcb_raw raw;
  	} u;
  }__attribute__((packed, aligned (4)));
  
  struct ipr_hostrcb {
  	struct ipr_hcam hcam;
  	dma_addr_t hostrcb_dma;
  	struct list_head queue;

  	struct ipr_ioa_cfg *ioa_cfg;

  	char rp_buffer[IPR_MAX_RES_PATH_LENGTH];

  };
  
  /* IPR smart dump table structures */
  struct ipr_sdt_entry {

  	__be32 start_token;
  	__be32 end_token;
  	u8 reserved[4];

  
  	u8 flags;
  #define IPR_SDT_ENDIAN		0x80
  #define IPR_SDT_VALID_ENTRY	0x20
  
  	u8 resv;
  	__be16 priority;
  }__attribute__((packed, aligned (4)));
  
  struct ipr_sdt_header {
  	__be32 state;
  	__be32 num_entries;
  	__be32 num_entries_used;
  	__be32 dump_size;
  }__attribute__((packed, aligned (4)));
  
  struct ipr_sdt {
  	struct ipr_sdt_header hdr;
  	struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
  }__attribute__((packed, aligned (4)));
  
  struct ipr_uc_sdt {
  	struct ipr_sdt_header hdr;
  	struct ipr_sdt_entry entry[1];
  }__attribute__((packed, aligned (4)));
  
  /*
   * Driver types
   */
  struct ipr_bus_attributes {
  	u8 bus;
  	u8 qas_enabled;
  	u8 bus_width;
  	u8 reserved;
  	u32 max_xfer_rate;
  };

  struct ipr_sata_port {
  	struct ipr_ioa_cfg *ioa_cfg;
  	struct ata_port *ap;
  	struct ipr_resource_entry *res;
  	struct ipr_ioasa_gata ioasa;
  };

  struct ipr_resource_entry {

  	u8 needs_sync_complete:1;
  	u8 in_erp:1;
  	u8 add_to_ml:1;
  	u8 del_from_ml:1;
  	u8 resetting_device:1;

  	u32 bus;		/* AKA channel */
  	u32 target;		/* AKA id */
  	u32 lun;
  #define IPR_ARRAY_VIRTUAL_BUS			0x1
  #define IPR_VSET_VIRTUAL_BUS			0x2
  #define IPR_IOAFP_VIRTUAL_BUS			0x3
  
  #define IPR_GET_RES_PHYS_LOC(res) \
  	(((res)->bus << 24) | ((res)->target << 8) | (res)->lun)
  
  	u8 ata_class;
  
  	u8 flags;
  	__be16 res_flags;

  	u8 type;

  
  	u8 qmodel;
  	struct ipr_std_inq_data std_inq_data;
  
  	__be32 res_handle;
  	__be64 dev_id;
  	struct scsi_lun dev_lun;
  	u8 res_path[8];
  
  	struct ipr_ioa_cfg *ioa_cfg;

  	struct scsi_device *sdev;

  	struct ipr_sata_port *sata_port;

  	struct list_head queue;

  }; /* struct ipr_resource_entry */

  
  struct ipr_resource_hdr {
  	u16 num_entries;
  	u16 reserved;
  };

  struct ipr_misc_cbs {
  	struct ipr_ioa_vpd ioa_vpd;

  	struct ipr_inquiry_page0 page0_data;

  	struct ipr_inquiry_page3 page3_data;

  	struct ipr_inquiry_cap cap;

  	struct ipr_mode_pages mode_pages;
  	struct ipr_supported_device supp_dev;
  };
  
  struct ipr_interrupt_offsets {
  	unsigned long set_interrupt_mask_reg;
  	unsigned long clr_interrupt_mask_reg;

  	unsigned long clr_interrupt_mask_reg32;

  	unsigned long sense_interrupt_mask_reg;

  	unsigned long sense_interrupt_mask_reg32;

  	unsigned long clr_interrupt_reg;

  	unsigned long clr_interrupt_reg32;

  
  	unsigned long sense_interrupt_reg;

  	unsigned long sense_interrupt_reg32;

  	unsigned long ioarrin_reg;
  	unsigned long sense_uproc_interrupt_reg;

  	unsigned long sense_uproc_interrupt_reg32;

  	unsigned long set_uproc_interrupt_reg;

  	unsigned long set_uproc_interrupt_reg32;

  	unsigned long clr_uproc_interrupt_reg;

  	unsigned long clr_uproc_interrupt_reg32;
  
  	unsigned long init_feedback_reg;

  
  	unsigned long dump_addr_reg;
  	unsigned long dump_data_reg;

  #define IPR_ENDIAN_SWAP_KEY		0x00080800

  	unsigned long endian_swap_reg;

  };
  
  struct ipr_interrupts {
  	void __iomem *set_interrupt_mask_reg;
  	void __iomem *clr_interrupt_mask_reg;

  	void __iomem *clr_interrupt_mask_reg32;

  	void __iomem *sense_interrupt_mask_reg;

  	void __iomem *sense_interrupt_mask_reg32;

  	void __iomem *clr_interrupt_reg;

  	void __iomem *clr_interrupt_reg32;

  
  	void __iomem *sense_interrupt_reg;

  	void __iomem *sense_interrupt_reg32;

  	void __iomem *ioarrin_reg;
  	void __iomem *sense_uproc_interrupt_reg;

  	void __iomem *sense_uproc_interrupt_reg32;

  	void __iomem *set_uproc_interrupt_reg;

  	void __iomem *set_uproc_interrupt_reg32;

  	void __iomem *clr_uproc_interrupt_reg;

  	void __iomem *clr_uproc_interrupt_reg32;
  
  	void __iomem *init_feedback_reg;

  
  	void __iomem *dump_addr_reg;
  	void __iomem *dump_data_reg;

  
  	void __iomem *endian_swap_reg;

  };
  
  struct ipr_chip_cfg_t {
  	u32 mailbox;
  	u8 cache_line_size;
  	struct ipr_interrupt_offsets regs;
  };
  
  struct ipr_chip_t {
  	u16 vendor;
  	u16 device;

  	u16 intr_type;
  #define IPR_USE_LSI			0x00
  #define IPR_USE_MSI			0x01

  	u16 sis_type;
  #define IPR_SIS32			0x00
  #define IPR_SIS64			0x01

  	u16 bist_method;
  #define IPR_PCI_CFG			0x00
  #define IPR_MMIO			0x01

  	const struct ipr_chip_cfg_t *cfg;
  };
  
  enum ipr_shutdown_type {
  	IPR_SHUTDOWN_NORMAL = 0x00,
  	IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
  	IPR_SHUTDOWN_ABBREV = 0x80,
  	IPR_SHUTDOWN_NONE = 0x100
  };
  
  struct ipr_trace_entry {
  	u32 time;
  
  	u8 op_code;

  	u8 ata_op_code;

  	u8 type;
  #define IPR_TRACE_START			0x00
  #define IPR_TRACE_FINISH		0xff

  	u8 cmd_index;

  
  	__be32 res_handle;
  	union {
  		u32 ioasc;
  		u32 add_data;
  		u32 res_addr;
  	} u;
  };
  
  struct ipr_sglist {
  	u32 order;
  	u32 num_sg;

  	u32 num_dma_sg;

  	u32 buffer_len;
  	struct scatterlist scatterlist[1];
  };
  
  enum ipr_sdt_state {
  	INACTIVE,
  	WAIT_FOR_DUMP,
  	GET_DUMP,
  	ABORT_DUMP,
  	DUMP_OBTAINED
  };
  
  /* Per-controller data */
  struct ipr_ioa_cfg {
  	char eye_catcher[8];
  #define IPR_EYECATCHER			"iprcfg"
  
  	struct list_head queue;
  
  	u8 allow_interrupts:1;
  	u8 in_reset_reload:1;
  	u8 in_ioa_bringdown:1;
  	u8 ioa_unit_checked:1;
  	u8 ioa_is_dead:1;
  	u8 dump_taken:1;
  	u8 allow_cmds:1;
  	u8 allow_ml_add_del:1;

  	u8 needs_hard_reset:1;

  	u8 dual_raid:1;

  	u8 needs_warm_reset:1;

  	u8 msi_received:1;

  	u8 sis64:1;

  
  	u8 revid;

  	/*
  	 * Bitmaps for SIS64 generated target values
  	 */
  	unsigned long *target_ids;
  	unsigned long *array_ids;
  	unsigned long *vset_ids;

  	u16 type; /* CCIN of the card */
  
  	u8 log_level;
  #define IPR_MAX_LOG_LEVEL			4
  #define IPR_DEFAULT_LOG_LEVEL		2
  
  #define IPR_NUM_TRACE_INDEX_BITS	8
  #define IPR_NUM_TRACE_ENTRIES		(1 << IPR_NUM_TRACE_INDEX_BITS)
  #define IPR_TRACE_SIZE	(sizeof(struct ipr_trace_entry) * IPR_NUM_TRACE_ENTRIES)
  	char trace_start[8];
  #define IPR_TRACE_START_LABEL			"trace"
  	struct ipr_trace_entry *trace;
  	u32 trace_index:IPR_NUM_TRACE_INDEX_BITS;
  
  	/*
  	 * Queue for free command blocks
  	 */
  	char ipr_free_label[8];
  #define IPR_FREEQ_LABEL			"free-q"
  	struct list_head free_q;
  
  	/*
  	 * Queue for command blocks outstanding to the adapter
  	 */
  	char ipr_pending_label[8];
  #define IPR_PENDQ_LABEL			"pend-q"
  	struct list_head pending_q;
  
  	char cfg_table_start[8];
  #define IPR_CFG_TBL_START		"cfg"

  	union {
  		struct ipr_config_table *cfg_table;
  		struct ipr_config_table64 *cfg_table64;
  	} u;

  	dma_addr_t cfg_table_dma;

  	u32 cfg_table_size;
  	u32 max_devs_supported;

  
  	char resource_table_label[8];
  #define IPR_RES_TABLE_LABEL		"res_tbl"
  	struct ipr_resource_entry *res_entries;
  	struct list_head free_res_q;
  	struct list_head used_res_q;
  
  	char ipr_hcam_label[8];
  #define IPR_HCAM_LABEL			"hcams"
  	struct ipr_hostrcb *hostrcb[IPR_NUM_HCAMS];
  	dma_addr_t hostrcb_dma[IPR_NUM_HCAMS];
  	struct list_head hostrcb_free_q;
  	struct list_head hostrcb_pending_q;
  
  	__be32 *host_rrq;
  	dma_addr_t host_rrq_dma;
  #define IPR_HRRQ_REQ_RESP_HANDLE_MASK	0xfffffffc
  #define IPR_HRRQ_RESP_BIT_SET			0x00000002
  #define IPR_HRRQ_TOGGLE_BIT				0x00000001
  #define IPR_HRRQ_REQ_RESP_HANDLE_SHIFT	2
  	volatile __be32 *hrrq_start;
  	volatile __be32 *hrrq_end;
  	volatile __be32 *hrrq_curr;
  	volatile u32 toggle_bit;
  
  	struct ipr_bus_attributes bus_attr[IPR_MAX_NUM_BUSES];

  	unsigned int transop_timeout;

  	const struct ipr_chip_cfg_t *chip_cfg;

  	const struct ipr_chip_t *ipr_chip;

  
  	void __iomem *hdw_dma_regs;	/* iomapped PCI memory space */
  	unsigned long hdw_dma_regs_pci;	/* raw PCI memory space */
  	void __iomem *ioa_mailbox;
  	struct ipr_interrupts regs;
  
  	u16 saved_pcix_cmd_reg;
  	u16 reset_retries;
  
  	u32 errors_logged;

  	u32 doorbell;

  
  	struct Scsi_Host *host;
  	struct pci_dev *pdev;
  	struct ipr_sglist *ucode_sglist;

  	u8 saved_mode_page_len;
  
  	struct work_struct work_q;
  
  	wait_queue_head_t reset_wait_q;

  	wait_queue_head_t msi_wait_q;

  
  	struct ipr_dump *dump;
  	enum ipr_sdt_state sdt_state;
  
  	struct ipr_misc_cbs *vpd_cbs;
  	dma_addr_t vpd_cbs_dma;
  
  	struct pci_pool *ipr_cmd_pool;
  
  	struct ipr_cmnd *reset_cmd;

  	int (*reset) (struct ipr_cmnd *);

  	struct ata_host ata_host;

  	char ipr_cmd_label[8];

  #define IPR_CMD_LABEL		"ipr_cmd"

  	struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS];

  	dma_addr_t ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS];

  }; /* struct ipr_ioa_cfg */

  
  struct ipr_cmnd {
  	struct ipr_ioarcb ioarcb;

  	union {
  		struct ipr_ioadl_desc ioadl[IPR_NUM_IOADL_ENTRIES];
  		struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
  		struct ipr_ata64_ioadl ata_ioadl;
  	} i;

  	union {
  		struct ipr_ioasa ioasa;
  		struct ipr_ioasa64 ioasa64;
  	} s;

  	struct list_head queue;
  	struct scsi_cmnd *scsi_cmd;

  	struct ata_queued_cmd *qc;

  	struct completion completion;
  	struct timer_list timer;
  	void (*done) (struct ipr_cmnd *);
  	int (*job_step) (struct ipr_cmnd *);

  	int (*job_step_failed) (struct ipr_cmnd *);

  	u16 cmd_index;
  	u8 sense_buffer[SCSI_SENSE_BUFFERSIZE];
  	dma_addr_t sense_buffer_dma;
  	unsigned short dma_use_sg;

  	dma_addr_t dma_addr;

  	struct ipr_cmnd *sibling;
  	union {
  		enum ipr_shutdown_type shutdown_type;
  		struct ipr_hostrcb *hostrcb;
  		unsigned long time_left;
  		unsigned long scratch;
  		struct ipr_resource_entry *res;
  		struct scsi_device *sdev;
  	} u;
  
  	struct ipr_ioa_cfg *ioa_cfg;
  };
  
  struct ipr_ses_table_entry {
  	char product_id[17];
  	char compare_product_id_byte[17];
  	u32 max_bus_speed_limit;	/* MB/sec limit for this backplane */
  };
  
  struct ipr_dump_header {
  	u32 eye_catcher;
  #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
  	u32 len;
  	u32 num_entries;
  	u32 first_entry_offset;
  	u32 status;
  #define IPR_DUMP_STATUS_SUCCESS			0
  #define IPR_DUMP_STATUS_QUAL_SUCCESS		2
  #define IPR_DUMP_STATUS_FAILED			0xffffffff
  	u32 os;
  #define IPR_DUMP_OS_LINUX	0x4C4E5558
  	u32 driver_name;
  #define IPR_DUMP_DRIVER_NAME	0x49505232
  }__attribute__((packed, aligned (4)));
  
  struct ipr_dump_entry_header {
  	u32 eye_catcher;
  #define IPR_DUMP_EYE_CATCHER		0xC5D4E3F2
  	u32 len;
  	u32 num_elems;
  	u32 offset;
  	u32 data_type;
  #define IPR_DUMP_DATA_TYPE_ASCII	0x41534349
  #define IPR_DUMP_DATA_TYPE_BINARY	0x42494E41
  	u32 id;
  #define IPR_DUMP_IOA_DUMP_ID		0x494F4131
  #define IPR_DUMP_LOCATION_ID		0x4C4F4341
  #define IPR_DUMP_TRACE_ID		0x54524143
  #define IPR_DUMP_DRIVER_VERSION_ID	0x44525652
  #define IPR_DUMP_DRIVER_TYPE_ID	0x54595045
  #define IPR_DUMP_IOA_CTRL_BLK		0x494F4342
  #define IPR_DUMP_PEND_OPS		0x414F5053
  	u32 status;
  }__attribute__((packed, aligned (4)));
  
  struct ipr_dump_location_entry {
  	struct ipr_dump_entry_header hdr;

  	u8 location[20];

  }__attribute__((packed));
  
  struct ipr_dump_trace_entry {
  	struct ipr_dump_entry_header hdr;
  	u32 trace[IPR_TRACE_SIZE / sizeof(u32)];
  }__attribute__((packed, aligned (4)));
  
  struct ipr_dump_version_entry {
  	struct ipr_dump_entry_header hdr;
  	u8 version[sizeof(IPR_DRIVER_VERSION)];
  };
  
  struct ipr_dump_ioa_type_entry {
  	struct ipr_dump_entry_header hdr;
  	u32 type;
  	u32 fw_version;
  };
  
  struct ipr_driver_dump {
  	struct ipr_dump_header hdr;
  	struct ipr_dump_version_entry version_entry;
  	struct ipr_dump_location_entry location_entry;
  	struct ipr_dump_ioa_type_entry ioa_type_entry;
  	struct ipr_dump_trace_entry trace_entry;
  }__attribute__((packed));
  
  struct ipr_ioa_dump {
  	struct ipr_dump_entry_header hdr;
  	struct ipr_sdt sdt;
  	__be32 *ioa_data[IPR_MAX_NUM_DUMP_PAGES];
  	u32 reserved;
  	u32 next_page_index;
  	u32 page_offset;
  	u32 format;

  }__attribute__((packed, aligned (4)));
  
  struct ipr_dump {
  	struct kref kref;
  	struct ipr_ioa_cfg *ioa_cfg;
  	struct ipr_driver_dump driver_dump;
  	struct ipr_ioa_dump ioa_dump;
  };
  
  struct ipr_error_table_t {
  	u32 ioasc;
  	int log_ioasa;
  	int log_hcam;
  	char *error;
  };
  
  struct ipr_software_inq_lid_info {
  	__be32 load_id;
  	__be32 timestamp[3];
  }__attribute__((packed, aligned (4)));
  
  struct ipr_ucode_image_header {
  	__be32 header_length;
  	__be32 lid_table_offset;
  	u8 major_release;
  	u8 card_type;
  	u8 minor_release[2];
  	u8 reserved[20];
  	char eyecatcher[16];
  	__be32 num_lids;
  	struct ipr_software_inq_lid_info lid[1];
  }__attribute__((packed, aligned (4)));
  
  /*
   * Macros
   */

  #define IPR_DBG_CMD(CMD) if (ipr_debug) { CMD; }

  
  #ifdef CONFIG_SCSI_IPR_TRACE
  #define ipr_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
  #define ipr_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
  #else
  #define ipr_create_trace_file(kobj, attr) 0
  #define ipr_remove_trace_file(kobj, attr) do { } while(0)
  #endif
  
  #ifdef CONFIG_SCSI_IPR_DUMP
  #define ipr_create_dump_file(kobj, attr) sysfs_create_bin_file(kobj, attr)
  #define ipr_remove_dump_file(kobj, attr) sysfs_remove_bin_file(kobj, attr)
  #else
  #define ipr_create_dump_file(kobj, attr) 0
  #define ipr_remove_dump_file(kobj, attr) do { } while(0)
  #endif
  
  /*
   * Error logging macros
   */
  #define ipr_err(...) printk(KERN_ERR IPR_NAME ": "__VA_ARGS__)
  #define ipr_info(...) printk(KERN_INFO IPR_NAME ": "__VA_ARGS__)

  #define ipr_dbg(...) IPR_DBG_CMD(printk(KERN_INFO IPR_NAME ": "__VA_ARGS__))

  #define ipr_res_printk(level, ioa_cfg, bus, target, lun, fmt, ...) \
  	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
  		bus, target, lun, ##__VA_ARGS__)
  
  #define ipr_res_err(ioa_cfg, res, fmt, ...) \
  	ipr_res_printk(KERN_ERR, ioa_cfg, (res)->bus, (res)->target, (res)->lun, fmt, ##__VA_ARGS__)

  #define ipr_ra_printk(level, ioa_cfg, ra, fmt, ...) \
  	printk(level IPR_NAME ": %d:%d:%d:%d: " fmt, (ioa_cfg)->host->host_no, \
  		(ra).bus, (ra).target, (ra).lun, ##__VA_ARGS__)

  #define ipr_ra_err(ioa_cfg, ra, fmt, ...) \
  	ipr_ra_printk(KERN_ERR, ioa_cfg, ra, fmt, ##__VA_ARGS__)

  #define ipr_phys_res_err(ioa_cfg, res, fmt, ...)			\
  {									\
  	if ((res).bus >= IPR_MAX_NUM_BUSES) {				\
  		ipr_err(fmt": unknown
  ", ##__VA_ARGS__);		\
  	} else {							\
  		ipr_err(fmt": %d:%d:%d:%d
  ",				\
  			##__VA_ARGS__, (ioa_cfg)->host->host_no,	\
  			(res).bus, (res).target, (res).lun);		\
  	}								\
  }

  #define ipr_hcam_err(hostrcb, fmt, ...)					\

  {									\
  	if (ipr_is_device(hostrcb)) {					\
  		if ((hostrcb)->ioa_cfg->sis64) {			\
  			printk(KERN_ERR IPR_NAME ": %s: " fmt, 		\

  				ipr_format_res_path(hostrcb->hcam.u.error64.fd_res_path, \
  					hostrcb->rp_buffer,		\
  					sizeof(hostrcb->rp_buffer)),	\

  				__VA_ARGS__);				\
  		} else {						\
  			ipr_ra_err((hostrcb)->ioa_cfg,			\
  				(hostrcb)->hcam.u.error.fd_res_addr,	\
  				fmt, __VA_ARGS__);			\
  		}							\
  	} else {							\
  		dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
  	}								\

  }

  #define ipr_trace ipr_dbg("%s: %s: Line: %d
  ",\

  	__FILE__, __func__, __LINE__)

  #define ENTER IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Entering %s
  ", __func__))
  #define LEAVE IPR_DBG_CMD(printk(KERN_INFO IPR_NAME": Leaving %s
  ", __func__))

  
  #define ipr_err_separator \
  ipr_err("----------------------------------------------------------
  ")
  
  
  /*
   * Inlines
   */
  
  /**
   * ipr_is_ioa_resource - Determine if a resource is the IOA
   * @res:	resource entry struct
   *
   * Return value:
   * 	1 if IOA / 0 if not IOA
   **/
  static inline int ipr_is_ioa_resource(struct ipr_resource_entry *res)
  {

  	return res->type == IPR_RES_TYPE_IOAFP;

  }
  
  /**
   * ipr_is_af_dasd_device - Determine if a resource is an AF DASD
   * @res:	resource entry struct
   *
   * Return value:
   * 	1 if AF DASD / 0 if not AF DASD
   **/
  static inline int ipr_is_af_dasd_device(struct ipr_resource_entry *res)
  {

  	return res->type == IPR_RES_TYPE_AF_DASD ||
  		res->type == IPR_RES_TYPE_REMOTE_AF_DASD;

  }
  
  /**
   * ipr_is_vset_device - Determine if a resource is a VSET
   * @res:	resource entry struct
   *
   * Return value:
   * 	1 if VSET / 0 if not VSET
   **/
  static inline int ipr_is_vset_device(struct ipr_resource_entry *res)
  {

  	return res->type == IPR_RES_TYPE_VOLUME_SET;

  }
  
  /**
   * ipr_is_gscsi - Determine if a resource is a generic scsi resource
   * @res:	resource entry struct
   *
   * Return value:
   * 	1 if GSCSI / 0 if not GSCSI
   **/
  static inline int ipr_is_gscsi(struct ipr_resource_entry *res)
  {

  	return res->type == IPR_RES_TYPE_GENERIC_SCSI;

  }
  
  /**

   * ipr_is_scsi_disk - Determine if a resource is a SCSI disk
   * @res:	resource entry struct
   *
   * Return value:
   * 	1 if SCSI disk / 0 if not SCSI disk
   **/
  static inline int ipr_is_scsi_disk(struct ipr_resource_entry *res)
  {
  	if (ipr_is_af_dasd_device(res) ||

  	    (ipr_is_gscsi(res) && IPR_IS_DASD_DEVICE(res->std_inq_data)))

  		return 1;
  	else
  		return 0;
  }
  
  /**

   * ipr_is_gata - Determine if a resource is a generic ATA resource
   * @res:	resource entry struct
   *
   * Return value:
   * 	1 if GATA / 0 if not GATA
   **/
  static inline int ipr_is_gata(struct ipr_resource_entry *res)
  {

  	return res->type == IPR_RES_TYPE_GENERIC_ATA;

  }
  
  /**

   * ipr_is_naca_model - Determine if a resource is using NACA queueing model
   * @res:	resource entry struct
   *
   * Return value:
   * 	1 if NACA queueing model / 0 if not NACA queueing model
   **/
  static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
  {

  	if (ipr_is_gscsi(res) && res->qmodel == IPR_QUEUE_NACA_MODEL)

  		return 1;
  	return 0;
  }
  
  /**

   * ipr_is_device - Determine if the hostrcb structure is related to a device
   * @hostrcb:	host resource control blocks struct

   *
   * Return value:
   * 	1 if AF / 0 if not AF
   **/

  static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)

  {

  	struct ipr_res_addr *res_addr;
  	u8 *res_path;
  
  	if (hostrcb->ioa_cfg->sis64) {
  		res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
  		if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
  		    res_path[0] == 0x81) && res_path[2] != 0xFF)
  			return 1;
  	} else {
  		res_addr = &hostrcb->hcam.u.error.fd_res_addr;
  
  		if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
  		    (res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
  			return 1;
  	}

  	return 0;
  }
  
  /**
   * ipr_sdt_is_fmt2 - Determine if a SDT address is in format 2
   * @sdt_word:	SDT address
   *
   * Return value:
   * 	1 if format 2 / 0 if not
   **/
  static inline int ipr_sdt_is_fmt2(u32 sdt_word)
  {
  	u32 bar_sel = IPR_GET_FMT2_BAR_SEL(sdt_word);
  
  	switch (bar_sel) {
  	case IPR_SDT_FMT2_BAR0_SEL:
  	case IPR_SDT_FMT2_BAR1_SEL:
  	case IPR_SDT_FMT2_BAR2_SEL:
  	case IPR_SDT_FMT2_BAR3_SEL:
  	case IPR_SDT_FMT2_BAR4_SEL:
  	case IPR_SDT_FMT2_BAR5_SEL:
  	case IPR_SDT_FMT2_EXP_ROM_SEL:
  		return 1;
  	};
  
  	return 0;
  }

  #ifndef writeq
  static inline void writeq(u64 val, void __iomem *addr)
  {
          writel(((u32) (val >> 32)), addr);
          writel(((u32) (val)), (addr + 4));
  }

  #endif

  
  #endif /* _IPR_H */