FreeBSD/Linux Kernel Cross Reference
sys/dev/hpt27xx/hptintf.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2011 HighPoint Technologies, Inc.
      * 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.
     *
     * $FreeBSD$
     */
    
    #include <dev/hpt27xx/hpt27xx_config.h>
    
    
    #ifndef HPT_INTF_H
    #define HPT_INTF_H
    
    #if defined(__BIG_ENDIAN__)&&!defined(__BIG_ENDIAN_BITFIELD)
    #define __BIG_ENDIAN_BITFIELD
    #endif
    
    #ifdef __cplusplus
    extern "C" {
    #endif
    
    #ifndef __GNUC__
    #define __attribute__(x)
    #endif
    
    #pragma pack(1)
    
    /*
     * Version of this interface.
     * The user mode application must first issue a hpt_get_version() call to
     * check HPT_INTERFACE_VERSION. When an utility using newer version interface
     * is used with old version drivers, it must call only the functions that
     * driver supported.
     * A new version interface should only add ioctl functions; it should implement
     * all old version functions without change their definition.
     */
    #define __this_HPT_INTERFACE_VERSION 0x02010000
    
    #ifndef HPT_INTERFACE_VERSION
    #error "You must define HPT_INTERFACE_VERSION you implemented"
    #endif
    
    #if HPT_INTERFACE_VERSION > __this_HPT_INTERFACE_VERSION
    #error "HPT_INTERFACE_VERSION is invalid"
    #endif
    
    /*
     * DEFINITION
     *   Logical device  --- a device that can be accessed by OS.
     *   Physical device --- device attached to the controller.
     *  A logical device can be simply a physical device.
     *
     * Each logical and physical device has a 32bit ID. GUI will use this ID
     * to identify devices.
     *   1. The ID must be unique.
     *   2. The ID must be immutable. Once an ID is assigned to a device, it
     * must not change when system is running and the device exists.
     *   3. The ID of logical device must be NOT reusable. If a device is
     * removed, other newly created logical device must not use the same ID.
     *   4. The ID must not be zero or 0xFFFFFFFF.
     */
    typedef HPT_U32 DEVICEID;
    
    /*
     * logical device type.
     * Identify array (logical device) and physical device.
     */
    #define LDT_ARRAY   1
    #define LDT_DEVICE  2
    
    /*
     * Array types
     * GUI will treat all array as 1-level RAID. No RAID0/1 or RAID1/0.
     * A RAID0/1 device is type AT_RAID1. A RAID1/0 device is type AT_RAID0.
     * Their members may be another array of type RAID0 or RAID1.
     */
   #define AT_UNKNOWN  0
   #define AT_RAID0    1
   #define AT_RAID1    2
   #define AT_RAID5    3
   #define AT_RAID6    4
   #define AT_RAID3    5
   #define AT_RAID4    6
   #define AT_JBOD     7
   #define AT_RAID1E   8
   
   /*
    * physical device type
    */
   #define PDT_UNKNOWN     0
   #define PDT_HARDDISK    1
   #define PDT_CDROM       2
   #define PDT_TAPE        3
   #define PDT_CHANGER     4
   
   /*
    * Some constants.
    */
   #define MAX_NAME_LENGTH     36
   #define MAX_ARRAYNAME_LEN   16
   
   #define MAX_ARRAY_MEMBERS_V1 8
   
   #ifndef MAX_ARRAY_MEMBERS_V2
   #define MAX_ARRAY_MEMBERS_V2 16
   #endif
   
   #ifndef MAX_ARRAY_MEMBERS_V3
   #define MAX_ARRAY_MEMBERS_V3 64
   #endif
   
   /* keep definition for source code compatibility */
   #define MAX_ARRAY_MEMBERS MAX_ARRAY_MEMBERS_V1
   
   /*
    * io commands
    * GUI use these commands to do IO on logical/physical devices.
    */
   #define IO_COMMAND_READ     1
   #define IO_COMMAND_WRITE    2
   
   
   
   /*
    * array flags
    */
   #define ARRAY_FLAG_DISABLED         0x00000001 /* The array is disabled */
   #define ARRAY_FLAG_NEEDBUILDING     0x00000002 /* array data need to be rebuilt */
   #define ARRAY_FLAG_REBUILDING       0x00000004 /* array is in rebuilding process */
   #define ARRAY_FLAG_BROKEN           0x00000008 /* broken but may still working */
   #define ARRAY_FLAG_BOOTDISK         0x00000010 /* array has a active partition */
   
   #define ARRAY_FLAG_BOOTMARK         0x00000040 /* array has boot mark set */
   #define ARRAY_FLAG_NEED_AUTOREBUILD 0x00000080 /* auto-rebuild should start */
   #define ARRAY_FLAG_VERIFYING        0x00000100 /* is being verified */
   #define ARRAY_FLAG_INITIALIZING     0x00000200 /* is being initialized */
   #define ARRAY_FLAG_TRANSFORMING     0x00000400 /* tranform in progress */
   #define ARRAY_FLAG_NEEDTRANSFORM    0x00000800 /* array need tranform */
   #define ARRAY_FLAG_NEEDINITIALIZING 0x00001000 /* the array's initialization hasn't finished*/
   #define ARRAY_FLAG_BROKEN_REDUNDANT 0x00002000 /* broken but redundant (raid6) */
   #define ARRAY_FLAG_RAID15PLUS       0x80000000 /* display this RAID 1 as RAID 1.5 */
   
   #define ARRAY_FLAG_ZERO_STARTING    0x40000000 /* start lba of all members of this array is 0 */
   
   /*
    * device flags
    */
   #define DEVICE_FLAG_DISABLED        0x00000001 /* device is disabled */
   #define DEVICE_FLAG_BOOTDISK        0x00000002 /* disk has a active partition */
   #define DEVICE_FLAG_BOOTMARK        0x00000004 /* disk has boot mark set */
   #define DEVICE_FLAG_WITH_601        0x00000008 /* has HPT601 connected */
   #define DEVICE_FLAG_SATA            0x00000010 /* SATA or SAS device */
   #define DEVICE_FLAG_ON_PM_PORT      0x00000020 /* PM port */
   #define DEVICE_FLAG_SAS             0x00000040 /* SAS device */
   #define DEVICE_FLAG_IN_ENCLOSURE    0x00000080 /* PathId is enclosure# */
   #define DEVICE_FLAG_TAPE            0x00000200 /* SAS Tape device */
   #define DEVICE_FLAG_CHANGER         0x00000400 /* SAS Changer device */
   #define DEVICE_FLAG_UNINITIALIZED   0x00010000 /* device is not initialized, can't be used to create array */
   #define DEVICE_FLAG_LEGACY          0x00020000 /* single disk & mbr contains at least one partition */
   #define DEVICE_FLAG_BAD_SECTOR_FOUND    0x00040000 /* found bad sector on target disk, set and clear by GUI */
   
   #define DEVICE_FLAG_IS_SPARE        0x80000000 /* is a spare disk */
   
   
   #define DEVICE_FLAG_SSD             0x00000100 /* SSD device */
   #define DEVICE_FLAG_3G              0x10000000
   #define DEVICE_FLAG_6G              0x20000000
   
   
   /*
    * array states used by hpt_set_array_state()
    */
   /* old defines */
   #define MIRROR_REBUILD_START    1
   #define MIRROR_REBUILD_ABORT    2
   #define MIRROR_REBUILD_COMPLETE 3
   /* new defines */
   #define AS_REBUILD_START 1
   #define AS_REBUILD_ABORT 2
   #define AS_REBUILD_PAUSE AS_REBUILD_ABORT
   #define AS_REBUILD_COMPLETE 3
   #define AS_VERIFY_START 4
   #define AS_VERIFY_ABORT 5
   #define AS_VERIFY_COMPLETE 6
   #define AS_INITIALIZE_START 7
   #define AS_INITIALIZE_ABORT 8
   #define AS_INITIALIZE_COMPLETE 9
   #define AS_VERIFY_FAILED 10
   #define AS_REBUILD_STOP 11
   #define AS_SAVE_STATE   12
   #define AS_TRANSFORM_START 13
   #define AS_TRANSFORM_ABORT 14
   
   /************************************************************************
    * ioctl code
    * It would be better if ioctl code are the same on different platforms,
    * but we must not conflict with system defined ioctl code.
    ************************************************************************/
   #if defined(LINUX) || defined(__FreeBSD_version) || defined(linux)
   #define HPT_CTL_CODE(x) (x+0xFF00)
   #define HPT_CTL_CODE_LINUX_TO_IOP(x) ((x)-0xff00)
   #elif defined(_MS_WIN32_) || defined(WIN32)
   
   #ifndef CTL_CODE
   #define CTL_CODE( DeviceType, Function, Method, Access ) \
                           (((DeviceType) << 16) | ((Access) << 14) | ((Function) << 2) | (Method))
   #endif
   #define HPT_CTL_CODE(x) CTL_CODE(0x370, 0x900+(x), 0, 0)
   #define HPT_CTL_CODE_WIN32_TO_IOP(x) ((((x) & 0xffff)>>2)-0x900)
   
   #else 
   #define HPT_CTL_CODE(x) (x)
   #endif
   
   #define HPT_IOCTL_GET_VERSION               HPT_CTL_CODE(0)
   #define HPT_IOCTL_GET_CONTROLLER_COUNT      HPT_CTL_CODE(1)
   #define HPT_IOCTL_GET_CONTROLLER_INFO       HPT_CTL_CODE(2)
   #define HPT_IOCTL_GET_CHANNEL_INFO          HPT_CTL_CODE(3)
   #define HPT_IOCTL_GET_LOGICAL_DEVICES       HPT_CTL_CODE(4)
   #define HPT_IOCTL_GET_DEVICE_INFO           HPT_CTL_CODE(5)
   #define HPT_IOCTL_CREATE_ARRAY              HPT_CTL_CODE(6)
   #define HPT_IOCTL_DELETE_ARRAY              HPT_CTL_CODE(7)
   #define HPT_IOCTL_ARRAY_IO                  HPT_CTL_CODE(8)
   #define HPT_IOCTL_DEVICE_IO                 HPT_CTL_CODE(9)
   #define HPT_IOCTL_GET_EVENT                 HPT_CTL_CODE(10)
   #define HPT_IOCTL_REBUILD_MIRROR            HPT_CTL_CODE(11)
   /* use HPT_IOCTL_REBUILD_DATA_BLOCK from now on */
   #define HPT_IOCTL_REBUILD_DATA_BLOCK HPT_IOCTL_REBUILD_MIRROR
   #define HPT_IOCTL_ADD_SPARE_DISK            HPT_CTL_CODE(12)
   #define HPT_IOCTL_REMOVE_SPARE_DISK         HPT_CTL_CODE(13)
   #define HPT_IOCTL_ADD_DISK_TO_ARRAY         HPT_CTL_CODE(14)
   #define HPT_IOCTL_SET_ARRAY_STATE           HPT_CTL_CODE(15)
   #define HPT_IOCTL_SET_ARRAY_INFO            HPT_CTL_CODE(16)
   #define HPT_IOCTL_SET_DEVICE_INFO           HPT_CTL_CODE(17)
   #define HPT_IOCTL_RESCAN_DEVICES            HPT_CTL_CODE(18)
   #define HPT_IOCTL_GET_DRIVER_CAPABILITIES   HPT_CTL_CODE(19)
   #define HPT_IOCTL_GET_601_INFO              HPT_CTL_CODE(20)
   #define HPT_IOCTL_SET_601_INFO              HPT_CTL_CODE(21)
   #define HPT_IOCTL_LOCK_DEVICE               HPT_CTL_CODE(22)
   #define HPT_IOCTL_UNLOCK_DEVICE             HPT_CTL_CODE(23)
   #define HPT_IOCTL_IDE_PASS_THROUGH          HPT_CTL_CODE(24)
   #define HPT_IOCTL_VERIFY_DATA_BLOCK         HPT_CTL_CODE(25)
   #define HPT_IOCTL_INITIALIZE_DATA_BLOCK     HPT_CTL_CODE(26)
   #define HPT_IOCTL_ADD_DEDICATED_SPARE       HPT_CTL_CODE(27)
   #define HPT_IOCTL_DEVICE_IO_EX              HPT_CTL_CODE(28)
   #define HPT_IOCTL_SET_BOOT_MARK             HPT_CTL_CODE(29)
   #define HPT_IOCTL_QUERY_REMOVE              HPT_CTL_CODE(30)
   #define HPT_IOCTL_REMOVE_DEVICES            HPT_CTL_CODE(31)
   #define HPT_IOCTL_CREATE_ARRAY_V2           HPT_CTL_CODE(32)
   #define HPT_IOCTL_GET_DEVICE_INFO_V2        HPT_CTL_CODE(33)
   #define HPT_IOCTL_SET_DEVICE_INFO_V2        HPT_CTL_CODE(34)
   #define HPT_IOCTL_REBUILD_DATA_BLOCK_V2     HPT_CTL_CODE(35)
   #define HPT_IOCTL_VERIFY_DATA_BLOCK_V2      HPT_CTL_CODE(36)
   #define HPT_IOCTL_INITIALIZE_DATA_BLOCK_V2  HPT_CTL_CODE(37)
   #define HPT_IOCTL_LOCK_DEVICE_V2            HPT_CTL_CODE(38)
   #define HPT_IOCTL_DEVICE_IO_V2              HPT_CTL_CODE(39)
   #define HPT_IOCTL_DEVICE_IO_EX_V2           HPT_CTL_CODE(40)
   #define HPT_IOCTL_CREATE_TRANSFORM          HPT_CTL_CODE(41)
   #define HPT_IOCTL_STEP_TRANSFORM            HPT_CTL_CODE(42)
   #define HPT_IOCTL_SET_VDEV_INFO             HPT_CTL_CODE(43)
   #define HPT_IOCTL_CALC_MAX_CAPACITY         HPT_CTL_CODE(44)
   #define HPT_IOCTL_INIT_DISKS                HPT_CTL_CODE(45)
   #define HPT_IOCTL_GET_DEVICE_INFO_V3        HPT_CTL_CODE(46)
   #define HPT_IOCTL_GET_CONTROLLER_INFO_V2    HPT_CTL_CODE(47)
   #define HPT_IOCTL_I2C_TRANSACTION           HPT_CTL_CODE(48)
   #define HPT_IOCTL_GET_PARAMETER_LIST        HPT_CTL_CODE(49)
   #define HPT_IOCTL_GET_PARAMETER             HPT_CTL_CODE(50)
   #define HPT_IOCTL_SET_PARAMETER             HPT_CTL_CODE(51)
   #define HPT_IOCTL_GET_DRIVER_CAPABILITIES_V2 HPT_CTL_CODE(52)
   #define HPT_IOCTL_GET_CHANNEL_INFO_V2       HPT_CTL_CODE(53)
   #define HPT_IOCTL_GET_CONTROLLER_INFO_V3    HPT_CTL_CODE(54)
   #define HPT_IOCTL_GET_DEVICE_INFO_V4        HPT_CTL_CODE(55)
   #define HPT_IOCTL_CREATE_ARRAY_V3           HPT_CTL_CODE(56)
   #define HPT_IOCTL_CREATE_TRANSFORM_V2       HPT_CTL_CODE(57)
   #define HPT_IOCTL_CALC_MAX_CAPACITY_V2      HPT_CTL_CODE(58)
   #define HPT_IOCTL_SCSI_PASSTHROUGH          HPT_CTL_CODE(59)
   #define HPT_IOCTL_GET_PHYSICAL_DEVICES      HPT_CTL_CODE(60)
   #define HPT_IOCTL_GET_ENCLOSURE_COUNT       HPT_CTL_CODE(61)
   #define HPT_IOCTL_GET_ENCLOSURE_INFO        HPT_CTL_CODE(62)
   #define HPT_IOCTL_GET_PERFMON_STATUS        HPT_CTL_CODE(63)
   #define HPT_IOCTL_SET_PERFMON_STATUS        HPT_CTL_CODE(64)
   #define HPT_IOCTL_GET_PERFMON_DATA          HPT_CTL_CODE(65)
   #define HPT_IOCTL_IDE_PASS_THROUGH_V2       HPT_CTL_CODE(66)
   #define HPT_IOCTL_GET_ENCLOSURE_INFO_V2     HPT_CTL_CODE(67)
   #define HPT_IOCTL_GET_ENCLOSURE_INFO_V3     HPT_CTL_CODE(68)
   #define HPT_IOCTL_ACCESS_CONFIG_REG         HPT_CTL_CODE(69)
   
   #define HPT_IOCTL_GET_ENCLOSURE_INFO_V4    HPT_CTL_CODE(70)
   #define HPT_IOCTL_GET_ENCLOSURE_ELEMENT_INFO    HPT_CTL_CODE(71)
   #define HPT_IOCTL_DUMP_METADATA             HPT_CTL_CODE(72)
   #define HPT_IOCTL_GET_CONTROLLER_INFO_V2_EXT    HPT_CTL_CODE(73)
   
   
   #define HPT_IOCTL_GET_CONTROLLER_IDS        HPT_CTL_CODE(100)
   #define HPT_IOCTL_GET_DCB                   HPT_CTL_CODE(101)
   
   #define HPT_IOCTL_EPROM_IO                  HPT_CTL_CODE(102)
   #define HPT_IOCTL_GET_CONTROLLER_VENID      HPT_CTL_CODE(103)
   
   
   #define HPT_IOCTL_GET_DRIVER_CAPABILITIES_CC   HPT_CTL_CODE(200)
   #define HPT_IOCTL_GET_CCS_INFO                 HPT_CTL_CODE(201)
   #define HPT_IOCTL_CREATE_CC                    HPT_CTL_CODE(202)
   #define HPT_IOCTL_DELETE_CC                    HPT_CTL_CODE(203)
   #define HPT_IOCTL_REENABLE_ARRAY               HPT_CTL_CODE(204)
   
   /************************************************************************
    * shared data structures
    ************************************************************************/
   
   /*
    * Chip Type
    */
   #define CHIP_TYPE_HPT366      1
   #define CHIP_TYPE_HPT368      2
   #define CHIP_TYPE_HPT370      3
   #define CHIP_TYPE_HPT370A     4
   #define CHIP_TYPE_HPT370B     5
   #define CHIP_TYPE_HPT374      6
   #define CHIP_TYPE_HPT372      7
   #define CHIP_TYPE_HPT372A     8
   #define CHIP_TYPE_HPT302      9
   #define CHIP_TYPE_HPT371      10
   #define CHIP_TYPE_HPT372N     11
   #define CHIP_TYPE_HPT302N     12
   #define CHIP_TYPE_HPT371N     13
   #define CHIP_TYPE_SI3112A     14
   #define CHIP_TYPE_ICH5        15
   #define CHIP_TYPE_ICH5R       16
   #define CHIP_TYPE_MV50XX      20
   #define CHIP_TYPE_MV60X1      21
   #define CHIP_TYPE_MV60X2      22
   #define CHIP_TYPE_MV70X2      23
   #define CHIP_TYPE_MV5182      24
   #define CHIP_TYPE_IOP331      31
   #define CHIP_TYPE_IOP333      32
   #define CHIP_TYPE_IOP341      33
   #define CHIP_TYPE_IOP348      34
   
   /*
    * Chip Flags
    */
   #define CHIP_SUPPORT_ULTRA_66   0x20
   #define CHIP_SUPPORT_ULTRA_100  0x40
   #define CHIP_HPT3XX_DPLL_MODE   0x80
   #define CHIP_SUPPORT_ULTRA_133  0x01
   #define CHIP_SUPPORT_ULTRA_150  0x02
   #define CHIP_MASTER             0x04
   #define CHIP_SUPPORT_SATA_300   0x08
   
   #define HPT_SPIN_UP_MODE_NOSUPPORT 0
   #define HPT_SPIN_UP_MODE_FULL      1
   #define HPT_SPIN_UP_MODE_STANDBY   2
   
   #define HPT_CAP_DUMP_METADATA   0x1
   #define HPT_CAP_DISK_CHECKING   0x2
   #define HPT_CAP_REPORT_SECTOR_SIZE  0x10
   
   typedef struct _DRIVER_CAPABILITIES {
           HPT_U32 dwSize;
   
           HPT_U8 MaximumControllers;           /* maximum controllers the driver can support */
           HPT_U8 SupportCrossControllerRAID;   /* 1-support, 0-not support */
           HPT_U8 MinimumBlockSizeShift;        /* minimum block size shift */
           HPT_U8 MaximumBlockSizeShift;        /* maximum block size shift */
   
           HPT_U8 SupportDiskModeSetting;
           HPT_U8 SupportSparePool;
           HPT_U8 MaximumArrayNameLength;
           /* only one HPT_U8 left here! */
   #ifdef __BIG_ENDIAN_BITFIELD
           HPT_U8 reserved: 2;
           HPT_U8 SupportPerformanceMonitor: 1;
           HPT_U8 SupportVariableSectorSize: 1;
           HPT_U8 SupportHotSwap: 1;
           HPT_U8 HighPerformanceRAID1: 1;
           HPT_U8 RebuildProcessInDriver: 1;
           HPT_U8 SupportDedicatedSpare: 1;
   #else 
           HPT_U8 SupportDedicatedSpare: 1;     /* call hpt_add_dedicated_spare() for dedicated spare. */
           HPT_U8 RebuildProcessInDriver: 1;    /* Windows only. used by mid layer for rebuild control. */
           HPT_U8 HighPerformanceRAID1: 1;      
           HPT_U8 SupportHotSwap: 1;
           HPT_U8 SupportVariableSectorSize: 1;
           HPT_U8 SupportPerformanceMonitor: 1;
           HPT_U8 reserved: 2;
   #endif
   
           
           HPT_U8 SupportedRAIDTypes[16];
           /* maximum members in an array corresponding to SupportedRAIDTypes */
           HPT_U8 MaximumArrayMembers[16];
   }
   DRIVER_CAPABILITIES, *PDRIVER_CAPABILITIES;
   
   typedef struct _DRIVER_CAPABILITIES_V2 {
           DRIVER_CAPABILITIES v1;
           HPT_U8 SupportedCachePolicies[16];
           HPT_U32 ConfigRegSize; /* max sectors */
           HPT_U32 SupportDiskCachePolicy; /* disable/enable disk cache policy */
           HPT_U32 Flags;
           HPT_U32 reserved[14];
   }
   DRIVER_CAPABILITIES_V2, *PDRIVER_CAPABILITIES_V2;
   
   /*
    * Controller information.
    */
   typedef struct _CONTROLLER_INFO {
           HPT_U8 ChipType;                    /* chip type */
           HPT_U8 InterruptLevel;              /* IRQ level */
           HPT_U8 NumBuses;                    /* bus count */
           HPT_U8 ChipFlags;
   
           HPT_U8 szProductID[MAX_NAME_LENGTH];/* product name */
           HPT_U8 szVendorID[MAX_NAME_LENGTH]; /* vender name */
   
   } CONTROLLER_INFO, *PCONTROLLER_INFO;
   
   #if HPT_INTERFACE_VERSION>=0x01020000
   typedef struct _CONTROLLER_INFO_V2 {
           HPT_U8 ChipType;                    /* chip type */
           HPT_U8 InterruptLevel;              /* IRQ level */
           HPT_U8 NumBuses;                    /* bus count */
           HPT_U8 ChipFlags;
   
           HPT_U8 szProductID[MAX_NAME_LENGTH];/* product name */
           HPT_U8 szVendorID[MAX_NAME_LENGTH]; /* vender name */
   
           HPT_U32 GroupId;                    /* low 32bit of vbus pointer the controller belongs
                                                                                    * the master controller has CHIP_MASTER flag set*/
           HPT_U8  pci_tree;
           HPT_U8  pci_bus;
           HPT_U8  pci_device;
           HPT_U8  pci_function;
   
           HPT_U32 ExFlags;
   } CONTROLLER_INFO_V2, *PCONTROLLER_INFO_V2;
   
   typedef struct _CONTROLLER_INFO_V2_EXT {
           HPT_U8 MaxWidth;
           HPT_U8 CurrentWidth;
           HPT_U8 MaxSpeed;
           HPT_U8 CurrentSpeed;
           HPT_U8 reserve[64];
   } CONTROLLER_INFO_V2_EXT, *PCONTROLLER_INFO_V2_EXT;
   
   
   #define CEXF_IOPModel            1
   #define CEXF_SDRAMSize           2
   #define CEXF_BatteryInstalled    4
   #define CEXF_BatteryStatus       8
   #define CEXF_BatteryVoltage      0x10
   #define CEXF_BatteryBackupTime   0x20
   #define CEXF_FirmwareVersion     0x40
   #define CEXF_SerialNumber        0x80
   #define CEXF_BatteryTemperature  0x100
   #define CEXF_Power12v            0x200
   #define CEXF_Power5v             0x400
   #define CEXF_Power3p3v           0x800
   #define CEXF_Power2p5v           0x1000
   #define CEXF_Power1p8v           0x2000
   #define CEXF_Core1p8v            0x4000
   #define CEXF_Core1p2v            0x8000
   #define CEXF_DDR1p8v             0x10000
   #define CEXF_DDR1p8vRef          0x20000
   #define CEXF_CPUTemperature      0x40000
   #define CEXF_BoardTemperature    0x80000
   #define CEXF_FanSpeed            0x100000
   #define CEXF_Core1p0v            0x200000
   #define CEXF_Fan2Speed           0x400000
   #define CEXF_Power1p0v           0x800000
   #define CEXF_Power1p5v           0x1000000
   #define CEXF_SASAddress           0x2000000
   
   typedef struct _CONTROLLER_INFO_V3 {
           HPT_U8 ChipType;
           HPT_U8 InterruptLevel;
           HPT_U8 NumBuses;
           HPT_U8 ChipFlags;
           HPT_U8 szProductID[MAX_NAME_LENGTH];
           HPT_U8 szVendorID[MAX_NAME_LENGTH];
           HPT_U32 GroupId;
           HPT_U8  pci_tree;
           HPT_U8  pci_bus;
           HPT_U8  pci_device;
           HPT_U8  pci_function;
           HPT_U32 ExFlags;
           HPT_U8  IOPModel[32];
           HPT_U32 SDRAMSize;
           HPT_U8  BatteryInstalled; 
           HPT_U8  BatteryStatus; 
           HPT_U16 BatteryVoltage; 
           HPT_U32 BatteryBackupTime; 
           HPT_U32 FirmwareVersion;
           HPT_U8  SerialNumber[32];
           HPT_U8  BatteryMBInstalled; 
           HPT_U8  BatteryTemperature; 
           signed char CPUTemperature;
           signed char BoardTemperature;
           HPT_U16 FanSpeed;
           HPT_U16 Power12v;
           HPT_U16 Power5v;
           HPT_U16 Power3p3v;
           HPT_U16 Power2p5v;
           HPT_U16 Power1p8v;
           HPT_U16 Core1p8v;
           HPT_U16 Core1p2v;
           HPT_U16 DDR1p8v;
           HPT_U16 DDR1p8vRef;
           HPT_U16 Core1p0v;
           HPT_U16 Fan2Speed;
           HPT_U16 Power1p0v;
           HPT_U16 Power1p5v;      
           HPT_U8  SASAddress[8];
           HPT_U8  reserve[48];
   }
   CONTROLLER_INFO_V3, *PCONTROLLER_INFO_V3;
   typedef char check_CONTROLLER_INFO_V3[sizeof(CONTROLLER_INFO_V3)==256? 1:-1];
   #endif
   /*
    * Channel information.
    */
   typedef struct _CHANNEL_INFO {
           HPT_U32         IoPort;         /* IDE Base Port Address */
           HPT_U32         ControlPort;    /* IDE Control Port Address */
   
           DEVICEID    Devices[2];         /* device connected to this channel */
   
   } CHANNEL_INFO, *PCHANNEL_INFO;
   
   typedef struct _CHANNEL_INFO_V2 {
           HPT_U32         IoPort;         /* IDE Base Port Address */
           HPT_U32         ControlPort;    /* IDE Control Port Address */
   
           DEVICEID        Devices[2+13];    /* device connected to this channel, PMPort max=15 */
   } CHANNEL_INFO_V2, *PCHANNEL_INFO_V2;
   
   typedef struct _ENCLOSURE_INFO {
           HPT_U8  EnclosureType;
           HPT_U8  NumberOfPhys;
           HPT_U8  AttachedTo; 
           HPT_U8  Status;
           HPT_U8  VendorId[8];
           HPT_U8  ProductId[16];
           HPT_U8  ProductRevisionLevel[4];
           HPT_U32 PortPhyMap;
           HPT_U32 reserve[55];
   } ENCLOSURE_INFO, *PENCLOSURE_INFO;
   
   
   typedef struct _SES_ELEMENT_STATUS {
           HPT_U8   ElementType;
           HPT_U8   ElementOverallIndex;
           HPT_U8   ElementStatus;
           HPT_U8   Reserved;
           HPT_U32 ElementValue;
           HPT_U8   ElementDescriptor[32];
   }SES_ELEMENT_STATUS,*PSES_ELEMENT_STATUS;
   
   #define MAX_ELEMENT_COUNT  80
   /* Element Type */
   #define SES_TYPE_UNSPECIFIED         0x00
   #define SES_TYPE_DEVICE              0x01
   #define SES_TYPE_POWER_SUPPLY        0x02
   #define SES_TYPE_FAN                 0x03
   #define SES_TYPE_TEMPERATURE_SENSOR  0x04
   #define SES_TYPE_DOOR_LOCK           0x05
   #define SES_TYPE_SPEAKER             0x06
   #define SES_TYPE_ES_CONTROLLER       0x07
   #define SES_TYPE_SCC_CONTROLLER      0x08
   #define SES_TYPE_NONVOLATILE_CACHE   0x09
   #define SES_TYPE_UPS                 0x0B
   #define SES_TYPE_DISPLAY             0x0C
   #define SES_TYPE_KEYPAD              0x0D
   #define SES_TYPE_ENCLOSURE           0x0E
   #define SES_TYPE_SCSI_TRANSCEIVER    0x0F
   #define SES_TYPE_LANGUAGE            0x10
   #define SES_TYPE_COMM_PORT           0x11
   #define SES_TYPE_VOLTAGE_SENSOR      0x12
   #define SES_TYPE_CURRENT_SENSOR      0x13
   #define SES_TYPE_SCSI_TARGET_PORT    0x14
   #define SES_TYPE_SCSI_INITIATOR_PORT 0x15
   #define SES_TYPE_SIMPLE_SUBENCLOSURE 0x16
   #define SES_TYPE_ARRAY_DEVICE        0x17
   #define SES_TYPE_VENDOR_SPECIFIC     0x80
   
   /* Element Status */
   
   #define SES_STATUS_UNSUPPORTED                  0x00
   #define SES_STATUS_OK                                   0x01
   #define SES_STATUS_CRITICAL                     0x02
   #define SES_STATUS_NONCRITICAL          0x03
   #define SES_STATUS_UNRECOVERABLE        0x04
   #define SES_STATUS_NOTINSTALLED         0x05
   #define SES_STATUS_UNKNOWN                      0x06
   #define SES_STATUS_NOTAVAILABLE         0x07
   #define SES_STATUS_RESERVED                     0x08
   
   
   typedef struct _ENCLOSURE_INFO_V2 {
           HPT_U8  EnclosureType;
           HPT_U8  NumberOfPhys;
           HPT_U8  AttachedTo; 
           HPT_U8  Status;
           HPT_U8  VendorId[8];
           HPT_U8  ProductId[16];
           HPT_U8  ProductRevisionLevel[4];
           HPT_U32 PortPhyMap;
           SES_ELEMENT_STATUS ElementStatus[MAX_ELEMENT_COUNT];
   } ENCLOSURE_INFO_V2, *PENCLOSURE_INFO_V2;
   
   typedef struct _ENCLOSURE_INFO_V3 {
           HPT_U8  EnclosureType;
           HPT_U8  NumberOfPhys;
           HPT_U8  AttachedTo; 
           HPT_U8  Status;
           HPT_U8  VendorId[8];
           HPT_U8  ProductId[16];
           HPT_U8  ProductRevisionLevel[4];
           HPT_U32 PortPhyMap;
           HPT_U32 UnitId; /*272x card has two Cores, unitId is used to distinguish them */
           HPT_U32 reserved[32];
           SES_ELEMENT_STATUS ElementStatus[MAX_ELEMENT_COUNT];
   } ENCLOSURE_INFO_V3, *PENCLOSURE_INFO_V3;
   
   typedef struct _ENCLOSURE_INFO_V4 {
           HPT_U8  EnclosureType;
           HPT_U8  NumberOfPhys;
           HPT_U8  AttachedTo; 
           HPT_U8  Status;
           HPT_U8  VendorId[8];
           HPT_U8  ProductId[16];
           HPT_U8  ProductRevisionLevel[4];
           HPT_U32 PortPhyMap;
           HPT_U32 UnitId; /*272x card has two Cores, unitId is used to distinguish them */
           HPT_U32 ElementCount;
           HPT_U32 reserved[32];
   } ENCLOSURE_INFO_V4, *PENCLOSURE_INFO_V4;
   
   #define ENCLOSURE_STATUS_OFFLINE 1
   
   #define ENCLOSURE_TYPE_INTERNAL 0
   #define ENCLOSURE_TYPE_SMP      1
   #define ENCLOSURE_TYPE_PM       2
   
   #ifndef __KERNEL__
   /*
    * time represented in HPT_U32 format
    */
   typedef struct _TIME_RECORD {
      HPT_U32        seconds:6;      /* 0 - 59 */
      HPT_U32        minutes:6;      /* 0 - 59 */
      HPT_U32        month:4;        /* 1 - 12 */
      HPT_U32        hours:6;        /* 0 - 59 */
      HPT_U32        day:5;          /* 1 - 31 */
      HPT_U32        year:5;         /* 0=2000, 31=2031 */
   } TIME_RECORD;
   #endif
   
   /*
    * Array information.
    */
   typedef struct _HPT_ARRAY_INFO {
           HPT_U8      Name[MAX_ARRAYNAME_LEN];/* array name */
           HPT_U8      Description[64];        /* array description */
           HPT_U8      CreateManager[16];      /* who created it */
           TIME_RECORD CreateTime;             /* when created it */
   
           HPT_U8      ArrayType;              /* array type */
           HPT_U8      BlockSizeShift;         /* stripe size */
           HPT_U8      nDisk;                  /* member count: Number of ID in Members[] */
           HPT_U8      SubArrayType;
   
           HPT_U32     Flags;                  /* working flags, see ARRAY_FLAG_XXX */
           HPT_U32     Members[MAX_ARRAY_MEMBERS_V1];  /* member array/disks */
   
           /*
            * rebuilding progress, xx.xx% = sprintf(s, "%.2f%%", RebuildingProgress/100.0);
            * only valid if rebuilding is done by driver code.
            * Member Flags will have ARRAY_FLAG_REBUILDING set at this case.
            * Verify operation use same fields below, the only difference is
            * ARRAY_FLAG_VERIFYING is set.
            */
           HPT_U32     RebuildingProgress;
           HPT_U32     RebuiltSectors; /* rebuilding point (LBA) for single member */
   
   } HPT_ARRAY_INFO, *PHPT_ARRAY_INFO;
   
   #if HPT_INTERFACE_VERSION>=0x01010000
   typedef struct _HPT_ARRAY_INFO_V2 {
           HPT_U8      Name[MAX_ARRAYNAME_LEN];/* array name */
           HPT_U8      Description[64];        /* array description */
           HPT_U8      CreateManager[16];      /* who created it */
           TIME_RECORD CreateTime;             /* when created it */
   
           HPT_U8      ArrayType;              /* array type */
           HPT_U8      BlockSizeShift;         /* stripe size */
           HPT_U8      nDisk;                  /* member count: Number of ID in Members[] */
           HPT_U8      SubArrayType;
   
           HPT_U32     Flags;                  /* working flags, see ARRAY_FLAG_XXX */
           HPT_U32     Members[MAX_ARRAY_MEMBERS_V2];  /* member array/disks */
   
           HPT_U32     RebuildingProgress;
           HPT_U64     RebuiltSectors; /* rebuilding point (LBA) for single member */
   
           HPT_U32     reserve4[4];
   } HPT_ARRAY_INFO_V2, *PHPT_ARRAY_INFO_V2;
   #endif
   
   #if HPT_INTERFACE_VERSION>=0x01020000
   typedef struct _HPT_ARRAY_INFO_V3 {
           HPT_U8      Name[MAX_ARRAYNAME_LEN];/* array name */
           HPT_U8      Description[64];        /* array description */
           HPT_U8      CreateManager[16];      /* who created it */
           TIME_RECORD CreateTime;             /* when created it */
   
           HPT_U8      ArrayType;              /* array type */
           HPT_U8      BlockSizeShift;         /* stripe size */
           HPT_U8      nDisk;                  /* member count: Number of ID in Members[] */
           HPT_U8      SubArrayType;
   
           HPT_U32     Flags;                  /* working flags, see ARRAY_FLAG_XXX */
           HPT_U32     Members[MAX_ARRAY_MEMBERS_V2];  /* member array/disks */
   
           HPT_U32     RebuildingProgress;
           HPT_U64     RebuiltSectors;         /* rebuilding point (LBA) for single member */
   
           DEVICEID    TransformSource;
           DEVICEID    TransformTarget;        /* destination device ID */
           HPT_U32     TransformingProgress;
           HPT_U32     Signature;              /* persistent identification*/
   #if MAX_ARRAY_MEMBERS_V2==16
           HPT_U16     Critical_Members;       /* bit mask of critical members */
           HPT_U16     reserve2;
           HPT_U32     reserve;
   #else 
           HPT_U32     Critical_Members;
           HPT_U32     reserve;
   #endif
   } HPT_ARRAY_INFO_V3, *PHPT_ARRAY_INFO_V3;
   #endif
   
   #if HPT_INTERFACE_VERSION>=0x02000001
   typedef struct _HPT_ARRAY_INFO_V4 {
           HPT_U8      Name[MAX_ARRAYNAME_LEN];/* array name */
           HPT_U8      Description[64];        /* array description */
           HPT_U8      CreateManager[16];      /* who created it */
           TIME_RECORD CreateTime;             /* when created it */
   
           HPT_U8      ArrayType;              /* array type */
           HPT_U8      BlockSizeShift;         /* stripe size */
           HPT_U8      nDisk;                  /* member count: Number of ID in Members[] */
           HPT_U8      SubArrayType;
   
           HPT_U32     Flags;                  /* working flags, see ARRAY_FLAG_XXX */
   
           HPT_U32     RebuildingProgress;
           HPT_U64     RebuiltSectors; /* rebuilding point (LBA) for single member */
   
           DEVICEID    TransformSource;
           DEVICEID    TransformTarget;   /* destination device ID */
           HPT_U32     TransformingProgress;
           HPT_U32     Signature;          /* persistent identification*/
           HPT_U8       SectorSizeShift; /*sector size = 512B<<SectorSizeShift*/
           HPT_U8       reserved2[7];
           HPT_U64     Critical_Members;
           HPT_U32     Members[MAX_ARRAY_MEMBERS_V3];  /* member array/disks */
   } HPT_ARRAY_INFO_V4, *PHPT_ARRAY_INFO_V4;
   #endif
   
   
   /*
    * ATA/ATAPI Device identify data without the Reserved4.
    */
   typedef struct _IDENTIFY_DATA2 {
           HPT_U16 GeneralConfiguration;
           HPT_U16 NumberOfCylinders;
           HPT_U16 Reserved1;
           HPT_U16 NumberOfHeads;
           HPT_U16 UnformattedBytesPerTrack;
           HPT_U16 UnformattedBytesPerSector;
           HPT_U8  SasAddress[8];
           HPT_U16 SerialNumber[10];
           HPT_U16 BufferType;
           HPT_U16 BufferSectorSize;
           HPT_U16 NumberOfEccBytes;
           HPT_U16 FirmwareRevision[4];
           HPT_U16 ModelNumber[20];
           HPT_U8  MaximumBlockTransfer;
           HPT_U8  VendorUnique2;
           HPT_U16 DoubleWordIo;
           HPT_U16 Capabilities;
           HPT_U16 Reserved2;
           HPT_U8  VendorUnique3;
           HPT_U8  PioCycleTimingMode;
           HPT_U8  VendorUnique4;
           HPT_U8  DmaCycleTimingMode;
           HPT_U16 TranslationFieldsValid;
           HPT_U16 NumberOfCurrentCylinders;
           HPT_U16 NumberOfCurrentHeads;
           HPT_U16 CurrentSectorsPerTrack;
           HPT_U32 CurrentSectorCapacity; /*word58,59  the value indecate the logical sector size. */
           HPT_U16 CurrentMultiSectorSetting;
           HPT_U32 UserAddressableSectors;
           HPT_U8  SingleWordDMASupport;
           HPT_U8  SingleWordDMAActive;
           HPT_U8  MultiWordDMASupport;
           HPT_U8  MultiWordDMAActive;
           HPT_U8  AdvancedPIOModes;
           HPT_U8  Reserved4;
           HPT_U16 MinimumMWXferCycleTime;
           HPT_U16 RecommendedMWXferCycleTime;
           HPT_U16 MinimumPIOCycleTime;
           HPT_U16 MinimumPIOCycleTimeIORDY;
           HPT_U16 Reserved5[2];
           HPT_U16 ReleaseTimeOverlapped;
           HPT_U16 ReleaseTimeServiceCommand;
           HPT_U16 MajorRevision;
           HPT_U16 MinorRevision;
   } __attribute__((packed)) IDENTIFY_DATA2, *PIDENTIFY_DATA2;
   
   /*
    * physical device information.
    * IdentifyData.ModelNumber[] is HPT_U8-swapped from the original identify data.
    */
   typedef struct _DEVICE_INFO {
           HPT_U8   ControllerId;          /* controller id */
           HPT_U8   PathId;                /* bus */
           HPT_U8   TargetId;              /* id */
           HPT_U8   DeviceModeSetting;     /* Current Data Transfer mode: 0-4 PIO 0-4 */
                                                                           /* 5-7 MW DMA0-2, 8-13 UDMA0-5             */
           HPT_U8   DeviceType;            /* device type */
           HPT_U8   UsableMode;            /* highest usable mode */
   
   #ifdef __BIG_ENDIAN_BITFIELD
           HPT_U8   NCQEnabled: 1;
           HPT_U8   NCQSupported: 1;
           HPT_U8   TCQEnabled: 1;
           HPT_U8   TCQSupported: 1;
           HPT_U8   WriteCacheEnabled: 1;
           HPT_U8   WriteCacheSupported: 1;
           HPT_U8   ReadAheadEnabled: 1;
           HPT_U8   ReadAheadSupported: 1;
           HPT_U8   reserved6: 6;
           HPT_U8   SpinUpMode: 2;
   #else 
           HPT_U8   ReadAheadSupported: 1;
           HPT_U8   ReadAheadEnabled: 1;
           HPT_U8   WriteCacheSupported: 1;
           HPT_U8   WriteCacheEnabled: 1;
           HPT_U8   TCQSupported: 1;
           HPT_U8   TCQEnabled: 1;
           HPT_U8   NCQSupported: 1;
           HPT_U8   NCQEnabled: 1;
           HPT_U8   SpinUpMode: 2;
           HPT_U8   reserved6: 6;
   #endif
   
           HPT_U32     Flags;              /* working flags, see DEVICE_FLAG_XXX */
   
           IDENTIFY_DATA2 IdentifyData;    /* Identify Data of this device */
   
   }
   __attribute__((packed)) DEVICE_INFO, *PDEVICE_INFO;
   
   #if HPT_INTERFACE_VERSION>=0x01020000
   #define MAX_PARENTS_PER_DISK    8
   /*
    * physical device information.
    * IdentifyData.ModelNumber[] is HPT_U8-swapped from the original identify data.
    */
   typedef struct _DEVICE_INFO_V2 {
           HPT_U8   ControllerId;          /* controller id */
           HPT_U8   PathId;                /* bus */
           HPT_U8   TargetId;              /* id */
           HPT_U8   DeviceModeSetting;     /* Current Data Transfer mode: 0-4 PIO 0-4 */
                                                                           /* 5-7 MW DMA0-2, 8-13 UDMA0-5             */
           HPT_U8   DeviceType;            /* device type */
           HPT_U8   UsableMode;            /* highest usable mode */
   
   #ifdef __BIG_ENDIAN_BITFIELD
           HPT_U8   NCQEnabled: 1;
           HPT_U8   NCQSupported: 1;
           HPT_U8   TCQEnabled: 1;
           HPT_U8   TCQSupported: 1;
           HPT_U8   WriteCacheEnabled: 1;
           HPT_U8   WriteCacheSupported: 1;
           HPT_U8   ReadAheadEnabled: 1;
           HPT_U8   ReadAheadSupported: 1;
           HPT_U8   reserved6: 6;
           HPT_U8   SpinUpMode: 2;
   #else 
           HPT_U8   ReadAheadSupported: 1;
           HPT_U8   ReadAheadEnabled: 1;
           HPT_U8   WriteCacheSupported: 1;
           HPT_U8   WriteCacheEnabled: 1;
           HPT_U8   TCQSupported: 1;
           HPT_U8   TCQEnabled: 1;
           HPT_U8   NCQSupported: 1;
           HPT_U8   NCQEnabled: 1;
           HPT_U8   SpinUpMode: 2;
           HPT_U8   reserved6: 6;
   #endif
   
           HPT_U32     Flags;              /* working flags, see DEVICE_FLAG_XXX */
   
           IDENTIFY_DATA2 IdentifyData;    /* Identify Data of this device */
   
           HPT_U64 TotalFree;
           HPT_U64 MaxFree;
           HPT_U64 BadSectors;
           DEVICEID ParentArrays[MAX_PARENTS_PER_DISK];
   
   }
   __attribute__((packed)) DEVICE_INFO_V2, *PDEVICE_INFO_V2, DEVICE_INFO_V3, *PDEVICE_INFO_V3;
   
   /*
    * HPT601 information
    */
   #endif
   /*
    * HPT601 information
    */
   #define HPT601_INFO_DEVICEID      1
   #define HPT601_INFO_TEMPERATURE   2
   #define HPT601_INFO_FANSTATUS     4
   #define HPT601_INFO_BEEPERCONTROL 8
   #define HPT601_INFO_LED1CONTROL   0x10
   #define HPT601_INFO_LED2CONTROL   0x20
   #define HPT601_INFO_POWERSTATUS   0x40
   
   typedef struct _HPT601_INFO_ {
           HPT_U16 ValidFields;        /* mark valid fields below */
           HPT_U16 DeviceId;           /* 0x5A3E */
           HPT_U16 Temperature;        /* Read: temperature sensor value. Write: temperature limit */
           HPT_U16 FanStatus;          /* Fan status */
           HPT_U16 BeeperControl;      /* bit4: beeper control bit. bit0-3: frequency bits */
           HPT_U16 LED1Control;        /* bit4: twinkling control bit. bit0-3: frequency bits */
           HPT_U16 LED2Control;        /* bit4: twinkling control bit. bit0-3: frequency bits */
           HPT_U16 PowerStatus;        /* 1: has power 2: no power */
   } HPT601_INFO, *PHPT601_INFO;
   
   #if HPT_INTERFACE_VERSION>=0x01010000
   #ifndef __KERNEL__
   /* cache policy for each vdev, copied from ldm.h */
   #define CACHE_POLICY_NONE 0
   #define CACHE_POLICY_WRITE_THROUGH 1
   #define CACHE_POLICY_WRITE_BACK 2
   
   #endif
   #endif
   /*
    * Logical device information.
    * Union of ArrayInfo and DeviceInfo.
    * Common properties will be put in logical device information.
    */
   typedef struct _LOGICAL_DEVICE_INFO {
           HPT_U8      Type;                   /* LDT_ARRAY or LDT_DEVICE */
           HPT_U8      reserved[3];
   
           HPT_U32     Capacity;               /* array capacity */
           DEVICEID    ParentArray;
   
           union {
                   HPT_ARRAY_INFO array;
                   DEVICE_INFO device;
           } __attribute__((packed)) u;
   
   } __attribute__((packed)) LOGICAL_DEVICE_INFO, *PLOGICAL_DEVICE_INFO;
   
   #if HPT_INTERFACE_VERSION>=0x01010000
   typedef struct _LOGICAL_DEVICE_INFO_V2 {
           HPT_U8      Type;                   /* LDT_ARRAY or LDT_DEVICE */
           HPT_U8      reserved[3];
  
          HPT_U64     Capacity;               /* array capacity */
          DEVICEID    ParentArray;            /* for physical device, Please don't use this field.
                                                                                   * use ParentArrays field in DEVICE_INFO_V2
                                                                                   */
  
          union {
                  HPT_ARRAY_INFO_V2 array;
                  DEVICE_INFO device;
          } __attribute__((packed)) u;
  
  } __attribute__((packed)) LOGICAL_DEVICE_INFO_V2, *PLOGICAL_DEVICE_INFO_V2;
  #endif
  
  #if HPT_INTERFACE_VERSION>=0x01020000
  #define INVALID_TARGET_ID   0xFF
  #define INVALID_BUS_ID      0xFF
  typedef struct _LOGICAL_DEVICE_INFO_V3 {
          HPT_U8      Type;                   /* LDT_ARRAY or LDT_DEVICE */
          HPT_U8      CachePolicy;            /* refer to CACHE_POLICY_xxx */
          HPT_U8      VBusId;                 /* vbus sequence in vbus_list */
          HPT_U8      TargetId;               /* OS target id. Value 0xFF is invalid */
                                                                                  /* OS disk name: HPT DISK $VBusId_$TargetId */
          HPT_U64     Capacity;               /* array capacity */
          DEVICEID    ParentArray;            /* for physical device, don't use this field.
                                                                                   * use ParentArrays field in DEVICE_INFO_V2 instead.
                                                                                   */
          HPT_U32     TotalIOs;
          HPT_U32     TobalMBs;
          HPT_U32     IOPerSec;
          HPT_U32     MBPerSec;
  
          union {
                  HPT_ARRAY_INFO_V3 array;
                  DEVICE_INFO_V2 device;
          } __attribute__((packed)) u;
  
  }
  __attribute__((packed)) LOGICAL_DEVICE_INFO_V3, *PLOGICAL_DEVICE_INFO_V3;
  #endif
  
  #if HPT_INTERFACE_VERSION>=0x02000001
  typedef struct _LOGICAL_DEVICE_INFO_V4 {
          HPT_U32    dwSize;
          HPT_U8      revision;
          HPT_U8      reserved[7];
  
          HPT_U8      Type;                   /* LDT_ARRAY or LDT_DEVICE */
          HPT_U8      CachePolicy;            /* refer to CACHE_POLICY_xxx */
          HPT_U8      VBusId;                 /* vbus sequence in vbus_list */
          HPT_U8      TargetId;               /* OS target id. Value 0xFF is invalid */
                                                                                  /* OS disk name: HPT DISK $VBusId_$TargetId */
          HPT_U64     Capacity;               /* array capacity */
          DEVICEID    ParentArray;            /* for physical device, don't use this field.
                                                                                   * use ParentArrays field in DEVICE_INFO_V2 instead.
                                                                                   */
          HPT_U32     TotalIOs;
          HPT_U32     TobalMBs;
          HPT_U32     IOPerSec;
          HPT_U32     MBPerSec;
  
          union {
                  HPT_ARRAY_INFO_V4 array;
                  DEVICE_INFO_V3 device;
          } __attribute__((packed)) u;
  }
  __attribute__((packed)) LOGICAL_DEVICE_INFO_V4, *PLOGICAL_DEVICE_INFO_V4;
  
  /*LOGICAL_DEVICE_INFO_V4 max revision number*/
  #define LOGICAL_DEVICE_INFO_V4_REVISION 0
  /*If new revision was defined please check evey revision size*/
  #define LOGICAL_DEVICE_INFO_V4_R0_SIZE (sizeof(LOGICAL_DEVICE_INFO_V4))
  #endif
  
  /*
   * ALTERABLE_ARRAY_INFO and ALTERABLE_DEVICE_INFO, used in set_array_info()
   * and set_device_info().
   * When set_xxx_info() is called, the ValidFields member indicates which
   * fields in the structure are valid.
   */
  /* field masks */
  #define AAIF_NAME           1
  #define AAIF_DESCRIPTION    2
  
  #define ADIF_MODE           1
  #define ADIF_TCQ            2
  #define ADIF_NCQ            4
  #define ADIF_WRITE_CACHE    8
  #define ADIF_READ_AHEAD     0x10
  #define ADIF_SPIN_UP_MODE   0x20
  #define ADIF_SET_BAD        0x40
  
  typedef struct _ALTERABLE_ARRAY_INFO {
          HPT_U32   ValidFields;              /* mark valid fields below */
          HPT_U8  Name[MAX_ARRAYNAME_LEN];    /* array name */
          HPT_U8  Description[64];            /* array description */
  }__attribute__((packed))ALTERABLE_ARRAY_INFO, *PALTERABLE_ARRAY_INFO;
  
  typedef struct _ALTERABLE_DEVICE_INFO {
          HPT_U32   ValidFields;              /* mark valid fields below */
          HPT_U8   DeviceModeSetting;         /* 0-4 PIO 0-4, 5-7 MW DMA0-2, 8-13 UDMA0-5 */
  }__attribute__((packed))ALTERABLE_DEVICE_INFO, *PALTERABLE_DEVICE_INFO;
  
  typedef struct _ALTERABLE_DEVICE_INFO_V2 {
          HPT_U32   ValidFields;              /* mark valid fields below */
          HPT_U8   DeviceModeSetting;         /* 0-4 PIO 0-4, 5-7 MW DMA0-2, 8-13 UDMA0-5 */
          HPT_U8   TCQEnabled;
          HPT_U8   NCQEnabled;
          HPT_U8   WriteCacheEnabled;
          HPT_U8   ReadAheadEnabled;
          HPT_U8   SpinUpMode;
          HPT_U8   SetBadSector;
          HPT_U8   reserve[1];
          HPT_U32  reserve2[13]; /* pad to 64 bytes */
  }__attribute__((packed))ALTERABLE_DEVICE_INFO_V2, *PALTERABLE_DEVICE_INFO_V2;
  
  #if HPT_INTERFACE_VERSION>=0x01020000
  
  #define TARGET_TYPE_DEVICE  0
  #define TARGET_TYPE_ARRAY   1
  
  
  #define AIT_NAME            0
  #define AIT_DESCRIPTION     1
  #define AIT_CACHE_POLICY    2
  
  
  #define DIT_MODE        0
  #define DIT_READ_AHEAD  1
  #define DIT_WRITE_CACHE 2
  #define DIT_TCQ         3
  #define DIT_NCQ         4
  #define DIT_IDENTIFY    5
  
  #define DISK_CACHE_POLICY_UNCHANGE 0
  #define DISK_CACHE_POLICY_ENABLE 1
  #define DISK_CACHE_POLICY_DISABLE 2
  
  /* param type is determined by target_type and info_type*/
  typedef struct _SET_DEV_INFO
  {
          HPT_U8 target_type;
          HPT_U8 infor_type;
          HPT_U16 param_length;
          #define SET_VDEV_INFO_param(p) ((HPT_U8 *)(p)+sizeof(SET_VDEV_INFO))
          /* HPT_U8 param[0]; */
  } SET_VDEV_INFO, * PSET_VDEV_INFO;
  
  typedef HPT_U8 PARAM_ARRAY_NAME[MAX_ARRAYNAME_LEN] ;
  typedef HPT_U8 PARAM_ARRAY_DES[64];
  typedef HPT_U8 PARAM_DEVICE_MODE, PARAM_TCQ, PARAM_NCQ, PARAM_READ_AHEAD, PARAM_WRITE_CACHE, PARAM_CACHE_POLICY;
  
  #endif
  
  /*
   * CREATE_ARRAY_PARAMS
   *  Param structure used to create an array.
   */
  typedef struct _CREATE_ARRAY_PARAMS {
          HPT_U8 ArrayType;                   /* 1-level array type */
          HPT_U8 nDisk;                       /* number of elements in Members[] array */
          HPT_U8 BlockSizeShift;              /* Stripe size if ArrayType==AT_RAID0 / AT_RAID5 */
          HPT_U8 CreateFlags;                 /* See CAF_xxx */
  
          HPT_U8 ArrayName[MAX_ARRAYNAME_LEN];/* Array name */
          HPT_U8      Description[64];        /* array description */
          HPT_U8      CreateManager[16];      /* who created it */
          TIME_RECORD CreateTime;             /* when created it */
  
          HPT_U32 Members[MAX_ARRAY_MEMBERS_V1];/* ID of array members, a member can be an array */
  
  } CREATE_ARRAY_PARAMS, *PCREATE_ARRAY_PARAMS;
  
  #if HPT_INTERFACE_VERSION>=0x01010000
  typedef struct _CREATE_ARRAY_PARAMS_V2 {
          HPT_U8 ArrayType;                   /* 1-level array type */
          HPT_U8 nDisk;                       /* number of elements in Members[] array */
          HPT_U8 BlockSizeShift;              /* Stripe size if ArrayType==AT_RAID0 / AT_RAID5 */
          HPT_U8 CreateFlags;                 /* See CAF_xxx */
  
          HPT_U8 ArrayName[MAX_ARRAYNAME_LEN];/* Array name */
          HPT_U8 Description[64];             /* array description */
          HPT_U8 CreateManager[16];           /* who created it */
          TIME_RECORD CreateTime;             /* when created it */
          HPT_U64 Capacity;
  
          HPT_U32 Members[MAX_ARRAY_MEMBERS_V2];/* ID of array members, a member can be an array */
  
  } CREATE_ARRAY_PARAMS_V2, *PCREATE_ARRAY_PARAMS_V2;
  #endif
  
  #if HPT_INTERFACE_VERSION>=0x02000001
  typedef struct _CREATE_ARRAY_PARAMS_V3 {
          HPT_U32  dwSize;
          HPT_U8 revision;                        /*CREATE_ARRAY_PARAMS_V3_REVISION*/
          HPT_U8 diskCachePolicy;  /*unchange:0 enable:1 disable:2*/
          HPT_U8 reserved[4];
          HPT_U8 subDisks;            /* RAIDn0 sub array */
          HPT_U8 SectorSizeShift;     /*sector size = 512B<<SectorSizeShift*/
          HPT_U8 ArrayType;                   /* 1-level array type */
          HPT_U8 nDisk;                       /* number of elements in Members[] array */
          HPT_U8 BlockSizeShift;              /* Stripe size if ArrayType==AT_RAID0 / AT_RAID5 */
          HPT_U8 CreateFlags;                 /* See CAF_xxx */
  
          HPT_U8 ArrayName[MAX_ARRAYNAME_LEN];/* Array name */
          HPT_U8 Description[64];     /* array description */
          HPT_U8 CreateManager[16];       /* who created it */
          TIME_RECORD CreateTime;             /* when created it */
          HPT_U64 Capacity;
  
          HPT_U32 Members[MAX_ARRAY_MEMBERS_V3];/* ID of array members, a member can be an array */
  } CREATE_ARRAY_PARAMS_V3, *PCREATE_ARRAY_PARAMS_V3;
  
  /*CREATE_ARRAY_PARAMS_V3 current max revision*/
  #define CREATE_ARRAY_PARAMS_V3_REVISION 0
  /*If new revision defined please check evey revision size*/
  #define CREATE_ARRAY_PARAMS_V3_R0_SIZE (sizeof(CREATE_ARRAY_PARAMS_V3))
  #endif
  
  #if HPT_INTERFACE_VERSION < 0x01020000
  /*
   * Flags used for creating an RAID 1 array
   *
   * CAF_CREATE_AND_DUPLICATE
   *    Copy source disk contents to target for RAID 1. If user choose "create and duplicate"
   *    to create an array, GUI will call CreateArray() with this flag set. Then GUI should
   *    call hpt_get_device_info() with the returned array ID and check returned flags to
   *    see if ARRAY_FLAG_REBUILDING is set. If not set, driver does not support rebuilding
   *    and GUI must do duplication itself.
   * CAF_DUPLICATE_MUST_DONE
   *    If the duplication is aborted or fails, do not create the array.
   */
  #define CAF_CREATE_AND_DUPLICATE 1
  #define CAF_DUPLICATE_MUST_DONE  2
  #define CAF_CREATE_AS_RAID15     4
  /*
   * Flags used for creating an RAID 5 array
   */
  #define CAF_CREATE_R5_NO_BUILD     1
  #define CAF_CREATE_R5_ZERO_INIT    2
  #define CAF_CREATE_R5_BUILD_PARITY 4
  
  #else 
  /*
   * Flags used for creating
   */
  #define CAF_FOREGROUND_INITIALIZE   1
  #define CAF_BACKGROUND_INITIALIZE   2
  #define CAF_CREATE_R5_WRITE_BACK    (CACHE_POLICY_WRITE_BACK<<CAF_CACHE_POLICY_SHIFT)
  
  
  #define CAF_CACHE_POLICY_MASK       0x1C
  #define CAF_CACHE_POLICY_SHIFT      2
  
  #endif
  
  #define CAF_KEEP_DATA_ALWAYS     0x80
  
  /* Flags used for deleting an array
   *
   * DAF_KEEP_DATA_IF_POSSIBLE
   *    If this flag is set, deleting a RAID 1 array will not destroy the data on both disks.
   *    Deleting a JBOD should keep partitions on first disk ( not implement now ).
   *    Deleting a RAID 0/1 should result as two RAID 0 array ( not implement now ).
   */
  #define DAF_KEEP_DATA_IF_POSSIBLE 1
  #define DAF_KEEP_DATA_ALWAYS      2
  
  /*
   * event types
   */
  #define ET_DEVICE_REMOVED   1   /* device removed */
  #define ET_DEVICE_PLUGGED   2   /* device plugged */
  #define ET_DEVICE_ERROR     3   /* device I/O error */
  #define ET_REBUILD_STARTED  4
  #define ET_REBUILD_ABORTED  5
  #define ET_REBUILD_FINISHED 6
  #define ET_SPARE_TOOK_OVER  7
  #define ET_REBUILD_FAILED   8
  #define ET_VERIFY_STARTED   9
  #define ET_VERIFY_ABORTED   10
  #define ET_VERIFY_FAILED    11
  #define ET_VERIFY_FINISHED  12
  #define ET_INITIALIZE_STARTED   13
  #define ET_INITIALIZE_ABORTED   14
  #define ET_INITIALIZE_FAILED    15
  #define ET_INITIALIZE_FINISHED  16
  #define ET_VERIFY_DATA_ERROR    17
  #define ET_TRANSFORM_STARTED    18
  #define ET_TRANSFORM_ABORTED    19
  #define ET_TRANSFORM_FAILED     20
  #define ET_TRANSFORM_FINISHED   21
  #define ET_SMART_FAILED         22
  #define ET_SMART_PASSED         23
  #define ET_SECTOR_REPAIR_FAIL     24
  #define ET_SECTOR_REPAIR_SUCCESS  25
  #define ET_ERASE_FAIL           26
  #define ET_ERASE_SUCCESS        27
  #define ET_CONTINUE_REBUILD_ON_ERROR 28
  
  
  /*
   * event structure
   */
  typedef struct _HPT_EVENT {
          TIME_RECORD Time;
          DEVICEID    DeviceID;
          HPT_U8       EventType;
          HPT_U8      reserved[3];
  
          HPT_U8      Data[32]; /* various data depend on EventType */
  } HPT_EVENT, *PHPT_EVENT;
  
  /*
   * IDE pass-through command. Use it at your own risk!
   */
  typedef struct _IDE_PASS_THROUGH_HEADER {
          DEVICEID idDisk;             /* disk ID */
          HPT_U8     bFeaturesReg;     /* feature register */
          HPT_U8     bSectorCountReg;  /* IDE sector count register. */
          HPT_U8     bLbaLowReg;       /* IDE LBA low value. */
          HPT_U8     bLbaMidReg;       /* IDE LBA mid register. */
          HPT_U8     bLbaHighReg;      /* IDE LBA high value. */
          HPT_U8     bDriveHeadReg;    /* IDE drive/head register. */
          HPT_U8     bCommandReg;      /* Actual IDE command. Checked for validity by driver. */
          HPT_U8     nSectors;         /* data size in sectors, if the command has data transfer */
          HPT_U8     protocol;         /* IO_COMMAND_(READ,WRITE) or zero for non-DATA */
          HPT_U8     reserve[3];
          #define IDE_PASS_THROUGH_buffer(p) ((HPT_U8 *)(p) + sizeof(IDE_PASS_THROUGH_HEADER))
          /* HPT_U8     DataBuffer[0]; */
  }
  IDE_PASS_THROUGH_HEADER, *PIDE_PASS_THROUGH_HEADER;
  
  typedef struct _IDE_PASS_THROUGH_HEADER_V2 {
          DEVICEID idDisk;             /* disk ID */
          HPT_U16    bFeaturesReg;     /* feature register */
          HPT_U16    bSectorCountReg;  /* IDE sector count register. */
          HPT_U16    bLbaLowReg;       /* IDE LBA low value. */
          HPT_U16    bLbaMidReg;       /* IDE LBA mid register. */
          HPT_U16    bLbaHighReg;      /* IDE LBA high value. */
          HPT_U8     bDriveHeadReg;    /* IDE drive/head register. */
          HPT_U8     bCommandReg;      /* Actual IDE command. Checked for validity by driver. */
          HPT_U16    nSectors;         /* data size in sectors, if the command has data transfer */
          HPT_U8     protocol;         /* IO_COMMAND_(READ,WRITE) or zero for non-DATA */
          HPT_U8     reserve;
          #define IDE_PASS_THROUGH_V2_buffer(p) ((HPT_U8 *)(p) + sizeof(IDE_PASS_THROUGH_HEADER_V2))
          /* HPT_U8     DataBuffer[0]; */
  }
  IDE_PASS_THROUGH_HEADER_V2, *PIDE_PASS_THROUGH_HEADER_V2;
  
  typedef struct _HPT_SCSI_PASSTHROUGH_IN {
          DEVICEID idDisk;
          HPT_U8   protocol;
          HPT_U8   reserve1;
          HPT_U8   reserve2;
          HPT_U8   cdbLength;
          HPT_U8   cdb[16];
          HPT_U32  dataLength;
          /* data follows, if any */
  }
  HPT_SCSI_PASSTHROUGH_IN, *PHPT_SCSI_PASSTHROUGH_IN;
  
  typedef struct _HPT_SCSI_PASSTHROUGH_OUT {
          HPT_U8   scsiStatus;
          HPT_U8   reserve1;
          HPT_U8   reserve2;
          HPT_U8   reserve3;
          HPT_U32  dataLength;
          /* data/sense follows if any */
  }
  HPT_SCSI_PASSTHROUGH_OUT, *PHPT_SCSI_PASSTHROUGH_OUT;
  
  /*
   * device io packet format
   */
  typedef struct _DEVICE_IO_EX_PARAMS {
          DEVICEID idDisk;
          HPT_U32    Lba;
          HPT_U16   nSectors;
          HPT_U8    Command;    /* IO_COMMAD_xxx */
          HPT_U8    BufferType; /* BUFFER_TYPE_xxx, see below */
          HPT_U32    BufferPtr;
  }
  DEVICE_IO_EX_PARAMS, *PDEVICE_IO_EX_PARAMS;
  
  #define BUFFER_TYPE_LOGICAL              1 /* logical pointer to buffer */
  #define BUFFER_TYPE_PHYSICAL             2 /* physical address of buffer */
  #define BUFFER_TYPE_LOGICAL_LOGICAL_SG   3 /* logical pointer to logical S/G table */
  #define BUFFER_TYPE_LOGICAL_PHYSICAL_SG  4 /* logical pointer to physical S/G table */
  #define BUFFER_TYPE_PHYSICAL_LOGICAL_SG  5 /* physical address to logical S/G table */
  #define BUFFER_TYPE_PHYSICAL_PHYSICAL_SG 6 /* physical address of physical S/G table */
  #define BUFFER_TYPE_PHYSICAL_PHYSICAL_SG_PIO 7 /* non DMA capable physical address of physical S/G table */
  
  typedef struct _HPT_DRIVER_PARAMETER {
          char    name[32];
          HPT_U8  value[32];
          HPT_U8  type;        /* HPT_DRIVER_PARAMETER_TYPE_* */
          HPT_U8  persistent;
          HPT_U8  reserve2[2];
          HPT_U8  location;    /* 0 - system */
          HPT_U8  controller;
          HPT_U8  bus;
          HPT_U8  reserve1;
          char    desc[128];
  }
  HPT_DRIVER_PARAMETER, *PHPT_DRIVER_PARAMETER;
  
  #define HPT_DRIVER_PARAMETER_TYPE_INT 1
  #define HPT_DRIVER_PARAMETER_TYPE_BOOL 2
  
  typedef struct _HPT_PM_CMDSTAT {
          HPT_U64 timeStamp;
          HPT_U64 lba;
          HPT_U16 sectors;
          HPT_U16 reserved;
          HPT_U32 rspTime;
  }
  HPT_PM_CMDSTAT, *PHPT_PM_CMDSTAT;
  
  #define HIGHEST_RSPTIME_CMD_SAVE 10
  #define RSPTIME_HISTOGRAM_SEGMENT_COUNT 38
  
  typedef struct _HPT_PM_IOSTAT {
          HPT_PM_CMDSTAT highestRspCmdStatData[HIGHEST_RSPTIME_CMD_SAVE];
          HPT_U32 rspTimeHistogram[RSPTIME_HISTOGRAM_SEGMENT_COUNT];
          HPT_U16 pendingIo;
          HPT_U16 activeIo;
          HPT_U32 instantKBPs;
          HPT_U32 averageKBPs;
          HPT_U32 instantIOPs;
          HPT_U32 averageIOPs;
  }
  HPT_PM_IOSTAT, *PHPT_PM_IOSTAT;
  
  /*
   * disk config region
   */
  typedef struct _ACCESS_CONFIG_REG {
          DEVICEID  id;
          HPT_U16   start;
          HPT_U8    sectors;
          HPT_U8    read;
          HPT_U32   Reserved;
          #define ACCESS_CONFIG_REG_buffer(p) ((HPT_U8 *)(p) + sizeof(ACCESS_CONFIG_REG_PARAMS))
  } __attribute__((packed))ACCESS_CONFIG_REG_PARAMS, *PACCESS_CONFIG_REG_PARAMS;
  
  /*
   * dump meta data
   */
  typedef struct _DUMP_METADATA {
          DEVICEID  id;
          HPT_U8    sectors;
          HPT_U8    backsectors;
          HPT_U8    offset;
          HPT_U8    backoffset;
  } __attribute__((packed))DUMP_METADATA_PARAMS, *PDUMP_METADATA_PARAMS;
  
  
  
  /*
   * ioctl structure
   */
  #define HPT_IOCTL_MAGIC32 0x1A2B3C4D
  #define HPT_IOCTL_MAGIC   0xA1B2C3D4
  
  typedef struct _HPT_IOCTL_PARAM {
          HPT_U32   Magic;                 /* used to check if it's a valid ioctl packet */
          HPT_U32   dwIoControlCode;       /* operation control code */
          HPT_PTR   lpInBuffer;            /* input data buffer */
          HPT_U32   nInBufferSize;         /* size of input data buffer */
          HPT_PTR   lpOutBuffer;           /* output data buffer */
          HPT_U32   nOutBufferSize;        /* size of output data buffer */
          HPT_PTR   lpBytesReturned;       /* count of HPT_U8s returned */
  }
  HPT_IOCTL_PARAM, *PHPT_IOCTL_PARAM;
  
  /* for 32-bit app running on 64-bit system */
  typedef struct _HPT_IOCTL_PARAM32 {
          HPT_U32   Magic;
          HPT_U32   dwIoControlCode;
          HPT_U32   lpInBuffer;
          HPT_U32   nInBufferSize;
          HPT_U32   lpOutBuffer;
          HPT_U32   nOutBufferSize;
          HPT_U32   lpBytesReturned;
  }
  HPT_IOCTL_PARAM32, *PHPT_IOCTL_PARAM32;
  
  #if !defined(__KERNEL__) || defined(SIMULATE)
  /*
   * User-mode ioctl parameter passing conventions:
   *   The ioctl function implementation is platform specific, so we don't
   * have forced rules for it. However, it's suggested to use a parameter
   * passing method as below
   *   1) Put all input data continuously in an input buffer.
   *   2) Prepare an output buffer with enough size if needed.
   *   3) Fill a HPT_IOCTL_PARAM structure.
   *   4) Pass the structure to driver through a platform-specific method.
   * This is implemented in the mid-layer user-mode library. The UI
   * programmer needn't care about it.
   */
  
  /************************************************************************
   * User mode functions
   ************************************************************************/
  /*
   * hpt_get_version
   * Version compatibility: all versions
   * Parameters:
   *  None
   * Returns:
   *  interface version. 0 when fail.
   */
  HPT_U32 hpt_get_version(void);
  
  /*
   * hpt_get_driver_capabilities
   * Version compatibility: v1.0.0.2 or later
   * Parameters:
   *  Pointer to receive a DRIVE_CAPABILITIES structure. The caller must set
   *  dwSize member to sizeof(DRIVER_CAPABILITIES). The callee must check this
   *  member to see if it's correct.
   * Returns:
   *  0 - Success
   */
  int hpt_get_driver_capabilities(PDRIVER_CAPABILITIES cap);
  int hpt_get_driver_capabilities_v2(PDRIVER_CAPABILITIES_V2 cap);
  
  /*
   * hpt_get_controller_count
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  None
   * Returns:
   *  number of controllers
   */
  int hpt_get_controller_count(void);
  
  /* hpt_get_controller_info
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  id      Controller id
   *  pInfo   pointer to CONTROLLER_INFO buffer
   * Returns:
   *  0       Success, controller info is put into (*pInfo ).
   */
  int hpt_get_controller_info(int id, PCONTROLLER_INFO pInfo);
  
  #if HPT_INTERFACE_VERSION>=0x01020000
  /* hpt_get_controller_info_v2
   * Version compatibility: v2.0.0.0 or later
   * Parameters:
   *  id      Controller id
   *  pInfo   pointer to CONTROLLER_INFO_V2 buffer
   * Returns:
   *  0       Success, controller info is put into (*pInfo ).
   */
  int hpt_get_controller_info_v2(int id, PCONTROLLER_INFO_V2 pInfo);
  
  /* hpt_get_controller_info_v2_ext
   * Version compatibility: v2.0.0.0 or later
   * Parameters:
   *  id      Controller id
   *  pInfo   pointer to CONTROLLER_INFO_V2_EXT buffer
   * Returns:
   *  0       Success, controller info is put into (*pInfo ).
   */
  int hpt_get_controller_info_v2_ext(int id, PCONTROLLER_INFO_V2_EXT pInfo);
  
  /* hpt_get_controller_info_v3
   * Version compatibility: v2.0.0.0 or later
   * Parameters:
   *  id      Controller id
   *  pInfo   pointer to CONTROLLER_INFO_V3 buffer
   * Returns:
   *  0       Success, controller info is put into (*pInfo ).
   */
  int hpt_get_controller_info_v3(int id, PCONTROLLER_INFO_V3 pInfo);
  #endif
  
  /* hpt_get_channel_info
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  id      Controller id
   *  bus     bus number
   *  pInfo   pointer to CHANNEL_INFO buffer
   * Returns:
   *  0       Success, channel info is put into (*pInfo ).
   */
  int hpt_get_channel_info(int id, int bus, PCHANNEL_INFO pInfo);
  
  /* hpt_get_channel_info_v2
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  id      Controller id
   *  bus     bus number
   *  pInfo   pointer to CHANNEL_INFO buffer
   * Returns:
   *  0       Success, channel info is put into (*pInfo ).
   */
  int hpt_get_channel_info_v2(int id, int bus, PCHANNEL_INFO_V2 pInfo);
  
  /* hpt_get_logical_devices
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  pIds        pointer to a DEVICEID array
   *  nMaxCount   array size
   * Returns:
   *  Number of ID returned. All logical device IDs are put into pIds array.
   *  Note: A spare disk is not a logical device.
   */
  int hpt_get_logical_devices(DEVICEID * pIds, int nMaxCount);
  
  /* hpt_get_physical_devices
   * Version compatibility: v2.1.0.0 or later
   * Parameters:
   *  pIds        pointer to a DEVICEID array
   *  nMaxCount   array size
   * Returns:
   *  Number of ID returned. All physical device IDs are put into pIds array.
   */
  int hpt_get_physical_devices(DEVICEID * pIds, int nMaxCount);
  
  /* hpt_get_device_info
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  id      logical device id
   *  pInfo   pointer to LOGICAL_DEVICE_INFO structure
   * Returns:
   *  0 - Success
   */
  int hpt_get_device_info(DEVICEID id, PLOGICAL_DEVICE_INFO pInfo);
  
  /* hpt_create_array
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  pParam      pointer to CREATE_ARRAY_PARAMS structure
   * Returns:
   *  0   failed
   *  else return array id
   */
  DEVICEID hpt_create_array(PCREATE_ARRAY_PARAMS pParam);
  
  /* hpt_delete_array
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  id      array id
   * Returns:
   *  0   Success
   */
  int hpt_delete_array(DEVICEID id, HPT_U32 options);
  
  /* hpt_device_io
   *  Read/write data on array and physcal device.
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  id      device id. If it's an array ID, IO will be performed on the array.
   *          If it's a physical device ID, IO will be performed on the device.
   *  cmd     IO_COMMAND_READ or IO_COMMAND_WRITE
   *  buffer  data buffer
   *  length  data size
   * Returns:
   *  0   Success
   */
  int hpt_device_io(DEVICEID id, int cmd, HPT_U32 lba, HPT_U32 nSector, void * buffer);
  
  /* hpt_add_disk_to_array
   *   Used to dynamicly add a disk to an RAID1, RAID0/1, RAID1/0 or RAID5 array.
   *   Auto-rebuild will start.
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  idArray     array id
   *  idDisk      disk id
   * Returns:
   *  0   Success
   */
  int hpt_add_disk_to_array(DEVICEID idArray, DEVICEID idDisk);
  
  /* hpt_add_spare_disk
   * Version compatibility: v1.0.0.1 or later
   *   Add a disk to spare pool.
   * Parameters:
   *  idDisk      disk id
   * Returns:
   *  0   Success
   */
  int hpt_add_spare_disk(DEVICEID idDisk);
  
  /* hpt_add_dedicated_spare
   * Version compatibility: v1.0.0.3 or later
   *   Add a spare disk to an array
   * Parameters:
   *  idDisk      disk id
   *  idArray     array id
   * Returns:
   *  0   Success
   */
  int hpt_add_dedicated_spare(DEVICEID idDisk, DEVICEID idArray);
  
  /* hpt_remove_spare_disk
   *   remove a disk from spare pool.
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *  idDisk      disk id
   * Returns:
   *  0   Success
   */
  int hpt_remove_spare_disk(DEVICEID idDisk);
  
  /* hpt_get_event
   *   Used to poll events from driver.
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *   pEvent    pointer to HPT_EVENT structure
   * Returns:
   *  0   Success, event info is filled in *pEvent
   */
  int hpt_get_event(PHPT_EVENT pEvent);
  
  /* hpt_rebuild_data_block
   *   Used to copy data from source disk and mirror disk.
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *   idArray        Array ID (RAID1, 0/1 or RAID5)
   *   Lba            Start LBA for each array member
   *   nSector        Number of sectors for each array member (RAID 5 will ignore this parameter)
   *
   * Returns:
   *  0   Success, event info is filled in *pEvent
   */
  int hpt_rebuild_data_block(DEVICEID idMirror, HPT_U32 Lba, HPT_U8 nSector);
  #define hpt_rebuild_mirror(p1, p2, p3) hpt_rebuild_data_block(p1, p2, p3)
  
  /* hpt_set_array_state
   *   set array state.
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *   idArray        Array ID
   *   state          See above 'array states' constants, possible values are:
   *     MIRROR_REBUILD_START
   *        Indicate that GUI wants to rebuild a mirror array
   *     MIRROR_REBUILD_ABORT
   *        GUI wants to abort rebuilding an array
   *     MIRROR_REBUILD_COMPLETE
   *        GUI finished to rebuild an array. If rebuild is done by driver this
   *        state has no use
   *
   * Returns:
   *  0   Success
   */
  int hpt_set_array_state(DEVICEID idArray, HPT_U32 state);
  
  /* hpt_set_array_info
   *   set array info.
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *   idArray        Array ID
   *   pInfo          pointer to new info
   *
   * Returns:
   *  0   Success
   */
  int hpt_set_array_info(DEVICEID idArray, PALTERABLE_ARRAY_INFO pInfo);
  
  /* hpt_set_device_info
   *   set device info.
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *   idDisk         device ID
   *   pInfo          pointer to new info
   *
   * Returns:
   *  0   Success
   * Additional notes:
   *  If idDisk==0, call to this function will stop buzzer on the adapter
   *  (if supported by driver).
   */
  int hpt_set_device_info(DEVICEID idDisk, PALTERABLE_DEVICE_INFO pInfo);
  
  #if HPT_INTERFACE_VERSION >= 0x01000004
  int hpt_set_device_info_v2(DEVICEID idDisk, PALTERABLE_DEVICE_INFO_V2 pInfo);
  #endif
  
  /* hpt_rescan_devices
   *   rescan devices
   * Version compatibility: v1.0.0.1 or later
   * Parameters:
   *   None
   * Returns:
   *   0  Success
   */
  int hpt_rescan_devices(void);
  
  /* hpt_get_601_info
   *   Get HPT601 status
   * Version compatibiilty: v1.0.0.3 or later
   * Parameters:
   *   idDisk - Disk handle
   *   PHPT601_INFO - pointer to HPT601 info buffer
   * Returns:
   *   0  Success
   */
  int hpt_get_601_info(DEVICEID idDisk, PHPT601_INFO pInfo);
  
  /* hpt_set_601_info
   *   HPT601 function control
   * Version compatibiilty: v1.0.0.3 or later
   * Parameters:
   *   idDisk - Disk handle
   *   PHPT601_INFO - pointer to HPT601 info buffer
   * Returns:
   *   0  Success
   */
  int hpt_set_601_info(DEVICEID idDisk, PHPT601_INFO pInfo);
  
  /* hpt_lock_device
   *   Lock a block on a device (prevent OS accessing it)
   * Version compatibiilty: v1.0.0.3 or later
   * Parameters:
   *   idDisk - Disk handle
   *   Lba - Start LBA
   *   nSectors - number of sectors
   * Returns:
   *   0  Success
   */
  int hpt_lock_device(DEVICEID idDisk, HPT_U32 Lba, HPT_U8 nSectors);
  
  /* hpt_lock_device
   *   Unlock a device
   * Version compatibiilty: v1.0.0.3 or later
   * Parameters:
   *   idDisk - Disk handle
   * Returns:
   *   0  Success
   */
  int hpt_unlock_device(DEVICEID idDisk);
  
  /* hpt_ide_pass_through
   *  send a ATA passthrough command to a device.
   * Version compatibility: v1.0.0.3 or later
   * Parameters:
   *   p - IDE_PASS_THROUGH header pointer
   * Returns:
   *   0  Success
   */
  int hpt_ide_pass_through(PIDE_PASS_THROUGH_HEADER p);
  int hpt_ide_pass_through_v2(PIDE_PASS_THROUGH_HEADER_V2 p);
  
  /* hpt_scsi_passthrough
   *  send a SCSI passthrough command to a device.
   * Version compatibility: v2.0.0.0 or later
   * Parameters:
   *   in  - HPT_SCSI_PASSTHROUGH_IN header pointer
   *   out - PHPT_SCSI_PASSTHROUGH_OUT header pointer
   *   insize, outsize - in/out buffer size
   * Returns:
   *   0  Success
   */
  int hpt_scsi_passthrough(PHPT_SCSI_PASSTHROUGH_IN in, HPT_U32 insize,
                                  PHPT_SCSI_PASSTHROUGH_OUT out, HPT_U32 outsize);
  
  /* hpt_verify_data_block
   *   verify data block on RAID1 or RAID5.
   * Version compatibility: v1.0.0.3 or later
   * Parameters:
   *   idArray - Array ID
   *   Lba - block number (on each array member, not logical block!)
   *   nSectors - Sectors for each member (RAID 5 will ignore this parameter)
   * Returns:
   *   0  Success
   *   1  Data compare error
   *   2  I/O error
   */
  int hpt_verify_data_block(DEVICEID idArray, HPT_U32 Lba, HPT_U8 nSectors);
  
  /* hpt_initialize_data_block
   *   initialize data block (fill with zero) on RAID5
   * Version compatibility: v1.0.0.3 or later
   * Parameters:
   *   idArray - Array ID
   *   Lba - block number (on each array member, not logical block!)
   *   nSectors - Sectors for each member (RAID 5 will ignore this parameter)
   * Returns:
   *   0  Success
   */
  int hpt_initialize_data_block(DEVICEID idArray, HPT_U32 Lba, HPT_U8 nSectors);
  
  /* hpt_device_io_ex
   *   extended device I/O function
   * Version compatibility: v1.0.0.3 or later
   * Parameters:
   *   idArray - Array ID
   *   Lba - block number (on each array member, not logical block!)
   *   nSectors - Sectors for each member
   *   buffer - I/O buffer or s/g address
   * Returns:
   *   0  Success
   */
  int hpt_device_io_ex(PDEVICE_IO_EX_PARAMS param);
  
  /* hpt_set_boot_mark
   *   select boot device
   * Version compatibility: v1.0.0.3 or later
   * Parameters:
   *   id - logical device ID. If id is 0 the boot mark will be removed.
   * Returns:
   *   0  Success
   */
  int hpt_set_boot_mark(DEVICEID id);
  
  /* hpt_query_remove
   *  check if device can be removed safely
   * Version compatibility: v1.0.0.4 or later
   * Parameters:
   *  ndev - number of devices
   *  pIds - device ID list
   * Returns:
   *  0  - Success
   *  -1 - unknown error
   *  n  - the n-th device that can't be removed
   */
  int hpt_query_remove(HPT_U32 ndev, DEVICEID *pIds);
  
  /* hpt_remove_devices
   *  remove a list of devices
   * Version compatibility: v1.0.0.4 or later
   * Parameters:
   *  ndev - number of devices
   *  pIds - device ID list
   * Returns:
   *  0  - Success
   *  -1 - unknown error
   *  n  - the n-th device that can't be removed
   */
  int hpt_remove_devices(HPT_U32 ndev, DEVICEID *pIds);
  
  /* hpt_create_array_v2
   * Version compatibility: v1.1.0.0 or later
   * Parameters:
   *  pParam      pointer to CREATE_ARRAY_PARAMS_V2 structure
   * Returns:
   *  0   failed
   *  else return array id
   */
  #if HPT_INTERFACE_VERSION>=0x01010000
  DEVICEID hpt_create_array_v2(PCREATE_ARRAY_PARAMS_V2 pParam);
  #endif
  
  /* hpt_create_array_v3
   * Version compatibility: v2.0.0.1 or later
   * Parameters:
   *  pParam      pointer to CREATE_ARRAY_PARAMS_V3 structure
   * Returns:
   *  0   failed
   *  else return array id
   */
  #if HPT_INTERFACE_VERSION>=0x02000001
  DEVICEID hpt_create_array_v3(PCREATE_ARRAY_PARAMS_V3 pParam);
  #endif
  
  /* hpt_get_device_info_v2
   * Version compatibility: v1.1.0.0 or later
   * Parameters:
   *  id      logical device id
   *  pInfo   pointer to LOGICAL_DEVICE_INFO_V2 structure
   * Returns:
   *  0 - Success
   */
  #if HPT_INTERFACE_VERSION>=0x01010000
  int hpt_get_device_info_v2(DEVICEID id, PLOGICAL_DEVICE_INFO_V2 pInfo);
  #endif
  
  /* hpt_get_device_info_v3
   * Version compatibility: v1.2.0.0 or later
   * Parameters:
   *  id      logical device id
   *  pInfo   pointer to LOGICAL_DEVICE_INFO_V3 structure
   * Returns:
   *  0 - Success
   */
  #if HPT_INTERFACE_VERSION>=0x01020000
  int hpt_get_device_info_v3(DEVICEID id, PLOGICAL_DEVICE_INFO_V3 pInfo);
  #endif
  
  /* hpt_get_device_info_v4
   * Version compatibility: v2.0.0.1 or later
   * Parameters:
   *  id      logical device id
   *  pInfo   pointer to LOGICAL_DEVICE_INFO_V4 structure
   * Returns:
   *  0 - Success
   */
  #if HPT_INTERFACE_VERSION>=0x02000001
  int hpt_get_device_info_v4(DEVICEID id, PLOGICAL_DEVICE_INFO_V4 pInfo);
  #endif
  
  /* hpt_create_transform
   *  create a transform instance.
   * Version compatibility: v2.0.0.0 or later
   * Parameters:
   *  idArray - source array
   *  destInfo - destination array info
   * Returns:
   *  destination array id
   */
  #if HPT_INTERFACE_VERSION>=0x02000000
  DEVICEID hpt_create_transform(DEVICEID idArray, PCREATE_ARRAY_PARAMS_V2 destInfo);
  #endif
  
  /* hpt_create_transform_v2
   *  create a transform instance.
   * Version compatibility: v2.0.0.1 or later
   * Parameters:
   *  idArray - source array
   *  destInfo - destination array info
   * Returns:
   *  destination array id
   */
  #if HPT_INTERFACE_VERSION>=0x02000001
  DEVICEID hpt_create_transform_v2(DEVICEID idArray, PCREATE_ARRAY_PARAMS_V3 destInfo);
  #endif
  
  /* hpt_step_transform
   *  move a block in a tranform progress.
   *  This function is called by mid-layer, not GUI (which uses set_array_state instead).
   * Version compatibility: v2.0.0.0 or later
   * Parameters:
   *  idArray - destination array ID
   *            the source ID will be invalid when transform complete.
   * Returns:
   *  0 - Success
   */
  #if HPT_INTERFACE_VERSION>=0x02000000
  int hpt_step_transform(DEVICEID idArray);
  #endif
  
  /* hpt_set_vdev_info
   *  set information for disk or array
   * Version compatibility: v1.2.0.0 or later
   * Parameters:
   *  dev - destination device
   *
   * Returns:
   *  0 - Success
   */
  #if HPT_INTERFACE_VERSION>=0x01020000
  int hpt_set_vdev_info(DEVICEID dev, PSET_VDEV_INFO pInfo);
  #endif
  
  /* hpt_init_disks
   *  initialize disks for use
   * Version compatibility: v2.0.0.0 or later
   * Parameters:
   *  ndev - number of disks to initialize
   *  pIds - array of DEVICEID
   *
   * Returns:
   *  0 - Success
   */
  #if HPT_INTERFACE_VERSION>=0x02000000
  int hpt_init_disks(HPT_U32 ndev, DEVICEID * pIds);
  #endif
  
  /* hpt_calc_max_array_capacity
   *  cap max capacity of the array user want to create or transform
   * Version compatibility: v1.2.0.0 or later
   * Parameters:
   *  source - if transform, this is the source array, otherwise, it should be zero
   *  destInfo - target array params
   * Returns:
   *  0 - Success
   *  cap - max capacity of the target array
   */
  #if HPT_INTERFACE_VERSION>=0x01020000
  int hpt_calc_max_array_capacity(DEVICEID source, PCREATE_ARRAY_PARAMS_V2 destInfo, HPT_U64 * cap);
  #endif
  
  /* hpt_calc_max_array_capacity_v2
   *  cap max capacity of the array user want to create or transform
   * Version compatibility: v2.0.0.1 or later
   * Parameters:
   *  source - if transform, this is the source array, otherwise, it should be zero
   *  destInfo - target array params
   * Returns:
   *  0 - Success
   *  cap - max capacity of the target array
   */
  #if HPT_INTERFACE_VERSION>=0x02000001
  int hpt_calc_max_array_capacity_v2(DEVICEID source, PCREATE_ARRAY_PARAMS_V3 destInfo, HPT_U64 * cap);
  #endif
  
  /* hpt_rebuild_data_block2
   *   Used to copy data from source disk and mirror disk.
   * Version compatibility: v1.1.0.0 or later
   * Parameters:
   *   idArray        Array ID (RAID1, 0/1 or RAID5)
   *   Lba            Start LBA for each array member
   *   nSector        Number of sectors for each array member (RAID 5 will ignore this parameter)
   *
   * Returns:
   *  0   Success, event info is filled in *pEvent
   */
  #if HPT_INTERFACE_VERSION>=0x01010000
  int hpt_rebuild_data_block_v2(DEVICEID idMirror, HPT_U64 Lba, HPT_U16 nSector);
  #endif
  
  /* hpt_verify_data_block2
   *   verify data block on RAID1 or RAID5.
   * Version compatibility: v1.1.0.0 or later
   * Parameters:
   *   idArray - Array ID
   *   Lba - block number (on each array member, not logical block!)
   *   nSectors - Sectors for each member (RAID 5 will ignore this parameter)
   * Returns:
   *   0  Success
   *   1  Data compare error
   *   2  I/O error
   */
  #if HPT_INTERFACE_VERSION>=0x01010000
  int hpt_verify_data_block_v2(DEVICEID idArray, HPT_U64 Lba, HPT_U16 nSectors);
  #endif
  
  /* hpt_initialize_data_block2
   *   initialize data block (fill with zero) on RAID5
   * Version compatibility: v1.1.0.0 or later
   * Parameters:
   *   idArray - Array ID
   *   Lba - block number (on each array member, not logical block!)
   *   nSectors - Sectors for each member (RAID 5 will ignore this parameter)
   * Returns:
   *   0  Success
   */
  #if HPT_INTERFACE_VERSION>=0x01010000
  int hpt_initialize_data_block_v2(DEVICEID idArray, HPT_U64 Lba, HPT_U16 nSectors);
  #endif
  
  /* hpt_i2c_transaction
   *   perform an transaction on i2c bus
   * Version compatibility: v2.0.0.0 or later
   * Parameters:
   *   indata[0] - controller ID
   * Returns:
   *   0  Success
   */
  #if HPT_INTERFACE_VERSION>=0x01020000
  int hpt_i2c_transaction(HPT_U8 *indata, HPT_U32 inlen, HPT_U8 *outdata, HPT_U32 outlen, HPT_U32 *poutlen);
  #endif
  
  /* hpt_get_parameter_list
   *   get a list of driver parameters.
   * Version compatibility: v1.0.0.0 or later
   * Parameters:
   *   location - parameter location
   *   outBuffer - a buffer to hold the output
   *   outBufferSize - size of outBuffer
   * Returns:
   *   0  Success
   *      put in outBuffer a list of zero terminated parameter names. the whole list
   *      is terminated with an additional zero byte.
   */
  int hpt_get_parameter_list(HPT_U32 location, char *outBuffer, HPT_U32 outBufferSize);
  
  /* hpt_{get,set}_parameter
   *   get/set a parameter value.
   * Version compatibility: v1.0.0.0 or later
   * Parameters:
   *   pParam - a pointer to HPT_DRIVER_PARAMETER.
   * Returns:
   *   0  Success
   */
  int hpt_get_parameter(PHPT_DRIVER_PARAMETER pParam);
  int hpt_set_parameter(PHPT_DRIVER_PARAMETER pParam);
  int hpt_reenumerate_device(DEVICEID id);
  
  /*
   * hpt_get_enclosure_count
   * Version compatibility: v2.1.0.0 or later
   * Parameters:
   *  controller_id
   * Returns:
   *  number of enclosurers
   */
  int hpt_get_enclosure_count(int ctlr_id);
  
  /* hpt_get_enclosure_info
   * Version compatibility: v2.1.0.0 or later
   * Parameters:
   *  id      enclosure id
   *  pInfo   pointer to ENCLOSURE_INFO buffer
   * Returns:
   *  0       Success, enclosure info is put into (*pInfo ).
   */
  int hpt_get_enclosure_info(int ctlr_id, int enc_id, PENCLOSURE_INFO pInfo);
  
  int hpt_get_enclosure_info_v2(int ctlr_id, int enc_id, PENCLOSURE_INFO_V2 pInfo);
  
  int hpt_get_enclosure_info_v3(int ctlr_id, int enc_id, PENCLOSURE_INFO_V3 pInfo);
  
  int hpt_get_enclosure_info_v4(int ctlr_id, int enc_id, PENCLOSURE_INFO_V4 pInfo);
  int hpt_get_enclosure_element_info(int ctlr_id, int enc_id, int ele_id, PSES_ELEMENT_STATUS pInfo);
  
  /* performance monitor interface
   * Version compatibility: v2.1.0.0 or later
   */
  int hpt_get_perfmon_status(int ctlr_id, int *p_status);
  int hpt_set_perfmon_status(int ctlr_id, int enable);
  int hpt_get_perfmon_data(DEVICEID id, PHPT_PM_IOSTAT iostat);
  
  /* hpt_get_controller_venid
   * Version compatibility: v1.0.0.0 or later
   */
  int hpt_get_controller_venid(int ctlr_id, HPT_U32 *venid);
  
  /* hpt_access_config_reg
   *  access the reserved config space on disk
   * Parameters:
   *   p - ACCESS_CONFIG_REG_PARAMS header pointer
   * Returns:
   *   0  Success
   */
  int hpt_access_config_reg(PACCESS_CONFIG_REG_PARAMS p);
  
  /* hpt_dump_metadata
   *  dump internal metadata
   * Parameters:
   *   p - PDUMP_METADATA_PARAMS header pointer
   * Returns:
   *   0  Success
   */
  int hpt_dump_metadata(PDUMP_METADATA_PARAMS p);
  
  #endif
  
  #pragma pack()
  
  #ifdef __cplusplus
  }
  #endif
  #endif

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