cregit-Linux how code gets into the kernel

Release 4.11 drivers/scsi/ips.h

Directory: drivers/scsi
/*****************************************************************************/
/* ips.h -- driver for the Adaptec / IBM ServeRAID controller                */
/*                                                                           */
/* Written By: Keith Mitchell, IBM Corporation                               */
/*             Jack Hammer, Adaptec, Inc.                                    */
/*             David Jeffery, Adaptec, Inc.                                  */
/*                                                                           */
/* Copyright (C) 1999 IBM Corporation                                        */
/* Copyright (C) 2003 Adaptec, Inc.                                          */
/*                                                                           */
/* 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.                              */
/*                                                                           */
/* NO WARRANTY                                                               */
/* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR        */
/* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT      */
/* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,      */
/* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is    */
/* solely responsible for determining the appropriateness of using and       */
/* distributing the Program and assumes all risks associated with its        */
/* exercise of rights under this Agreement, including but not limited to     */
/* the risks and costs of program errors, damage to or loss of data,         */
/* programs or equipment, and unavailability or interruption of operations.  */
/*                                                                           */
/* DISCLAIMER OF LIABILITY                                                   */
/* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY   */
/* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL        */
/* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), 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 OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED  */
/* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES             */
/*                                                                           */
/* 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 */
/*                                                                           */
/* Bugs/Comments/Suggestions should be mailed to:                            */
/*      ipslinux@adaptec.com                                                 */
/*                                                                           */
/*****************************************************************************/

#ifndef _IPS_H_
   
#define _IPS_H_

#include <linux/nmi.h>
#include <linux/uaccess.h>
   #include <asm/io.h>

   /*
    * Some handy macros
    */
   
#define IPS_HA(x)                   ((ips_ha_t *) x->hostdata)
   
#define IPS_COMMAND_ID(ha, scb)     (int) (scb - ha->scbs)
   
#define IPS_IS_TROMBONE(ha)         (((ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) && \
                                         (ha->pcidev->revision >= IPS_REVID_TROMBONE32) && \
                                         (ha->pcidev->revision <= IPS_REVID_TROMBONE64)) ? 1 : 0)
   
#define IPS_IS_CLARINET(ha)         (((ha->pcidev->device == IPS_DEVICEID_COPPERHEAD) && \
                                         (ha->pcidev->revision >= IPS_REVID_CLARINETP1) && \
                                         (ha->pcidev->revision <= IPS_REVID_CLARINETP3)) ? 1 : 0)
   
#define IPS_IS_MORPHEUS(ha)         (ha->pcidev->device == IPS_DEVICEID_MORPHEUS)
   
#define IPS_IS_MARCO(ha)            (ha->pcidev->device == IPS_DEVICEID_MARCO)
   
#define IPS_USE_I2O_DELIVER(ha)     ((IPS_IS_MORPHEUS(ha) || \
                                         (IPS_IS_TROMBONE(ha) && \
                                          (ips_force_i2o))) ? 1 : 0)
   
#define IPS_USE_MEMIO(ha)           ((IPS_IS_MORPHEUS(ha) || \
                                         ((IPS_IS_TROMBONE(ha) || IPS_IS_CLARINET(ha)) && \
                                          (ips_force_memio))) ? 1 : 0)

    
#define IPS_HAS_ENH_SGLIST(ha)    (IPS_IS_MORPHEUS(ha) || IPS_IS_MARCO(ha))
    
#define IPS_USE_ENH_SGLIST(ha)    ((ha)->flags & IPS_HA_ENH_SG)
    
#define IPS_SGLIST_SIZE(ha)       (IPS_USE_ENH_SGLIST(ha) ? \
                                         sizeof(IPS_ENH_SG_LIST) : sizeof(IPS_STD_SG_LIST))

  
#define IPS_PRINTK(level, pcidev, format, arg...)                 \
            dev_printk(level , &((pcidev)->dev) , format , ## arg)

   
#define MDELAY(n)			\
	do {                            \
                mdelay(n);              \
                touch_nmi_watchdog();   \
        } while (0)

   #ifndef min
      
#define min(x,y) ((x) < (y) ? x : y)
   #endif

   #ifndef __iomem       /* For clean compiles in earlier kernels without __iomem annotations */
      
#define __iomem
   #endif

   
#define pci_dma_hi32(a)         ((a >> 16) >> 16)
   
#define pci_dma_lo32(a)         (a & 0xffffffff)

   #if (BITS_PER_LONG > 32) || defined(CONFIG_HIGHMEM64G)
      
#define IPS_ENABLE_DMA64        (1)
   #else
      
#define IPS_ENABLE_DMA64        (0)
   #endif

   /*
    * Adapter address map equates
    */
   
#define IPS_REG_HISR                 0x08    
/* Host Interrupt Status Reg   */
   
#define IPS_REG_CCSAR                0x10    
/* Cmd Channel System Addr Reg */
   
#define IPS_REG_CCCR                 0x14    
/* Cmd Channel Control Reg     */
   
#define IPS_REG_SQHR                 0x20    
/* Status Q Head Reg           */
   
#define IPS_REG_SQTR                 0x24    
/* Status Q Tail Reg           */
   
#define IPS_REG_SQER                 0x28    
/* Status Q End Reg            */
   
#define IPS_REG_SQSR                 0x2C    
/* Status Q Start Reg          */
   
#define IPS_REG_SCPR                 0x05    
/* Subsystem control port reg  */
   
#define IPS_REG_ISPR                 0x06    
/* interrupt status port reg   */
   
#define IPS_REG_CBSP                 0x07    
/* CBSP register               */
   
#define IPS_REG_FLAP                 0x18    
/* Flash address port          */
   
#define IPS_REG_FLDP                 0x1C    
/* Flash data port             */
   
#define IPS_REG_NDAE                 0x38    
/* Anaconda 64 NDAE Register   */
   
#define IPS_REG_I2O_INMSGQ           0x40    
/* I2O Inbound Message Queue   */
   
#define IPS_REG_I2O_OUTMSGQ          0x44    
/* I2O Outbound Message Queue  */
   
#define IPS_REG_I2O_HIR              0x30    
/* I2O Interrupt Status        */
   
#define IPS_REG_I960_IDR             0x20    
/* i960 Inbound Doorbell       */
   
#define IPS_REG_I960_MSG0            0x18    
/* i960 Outbound Reg 0         */
   
#define IPS_REG_I960_MSG1            0x1C    
/* i960 Outbound Reg 1         */
   
#define IPS_REG_I960_OIMR            0x34    
/* i960 Oubound Int Mask Reg   */

   /*
    * Adapter register bit equates
    */
   
#define IPS_BIT_GHI                  0x04    
/* HISR General Host Interrupt */
   
#define IPS_BIT_SQO                  0x02    
/* HISR Status Q Overflow      */
   
#define IPS_BIT_SCE                  0x01    
/* HISR Status Channel Enqueue */
   
#define IPS_BIT_SEM                  0x08    
/* CCCR Semaphore Bit          */
   
#define IPS_BIT_ILE                  0x10    
/* CCCR ILE Bit                */
   
#define IPS_BIT_START_CMD            0x101A  
/* CCCR Start Command Channel  */
   
#define IPS_BIT_START_STOP           0x0002  
/* CCCR Start/Stop Bit         */
   
#define IPS_BIT_RST                  0x80    
/* SCPR Reset Bit              */
   
#define IPS_BIT_EBM                  0x02    
/* SCPR Enable Bus Master      */
   
#define IPS_BIT_EI                   0x80    
/* HISR Enable Interrupts      */
   
#define IPS_BIT_OP                   0x01    
/* OP bit in CBSP              */
   
#define IPS_BIT_I2O_OPQI             0x08    
/* General Host Interrupt      */
   
#define IPS_BIT_I960_MSG0I           0x01    
/* Message Register 0 Interrupt*/
   
#define IPS_BIT_I960_MSG1I           0x02    
/* Message Register 1 Interrupt*/

   /*
    * Adapter Command ID Equates
    */
   
#define IPS_CMD_GET_LD_INFO          0x19
   
#define IPS_CMD_GET_SUBSYS           0x40
   
#define IPS_CMD_READ_CONF            0x38
   
#define IPS_CMD_RW_NVRAM_PAGE        0xBC
   
#define IPS_CMD_READ                 0x02
   
#define IPS_CMD_WRITE                0x03
   
#define IPS_CMD_FFDC                 0xD7
   
#define IPS_CMD_ENQUIRY              0x05
   
#define IPS_CMD_FLUSH                0x0A
   
#define IPS_CMD_READ_SG              0x82
   
#define IPS_CMD_WRITE_SG             0x83
   
#define IPS_CMD_DCDB                 0x04
   
#define IPS_CMD_DCDB_SG              0x84
   
#define IPS_CMD_EXTENDED_DCDB 	    0x95
   
#define IPS_CMD_EXTENDED_DCDB_SG	    0x96
   
#define IPS_CMD_CONFIG_SYNC          0x58
   
#define IPS_CMD_ERROR_TABLE          0x17
   
#define IPS_CMD_DOWNLOAD             0x20
   
#define IPS_CMD_RW_BIOSFW            0x22
   
#define IPS_CMD_GET_VERSION_INFO     0xC6
   
#define IPS_CMD_RESET_CHANNEL        0x1A

   /*
    * Adapter Equates
    */
   
#define IPS_CSL                      0xFF
   
#define IPS_POCL                     0x30
   
#define IPS_NORM_STATE               0x00
   
#define IPS_MAX_ADAPTER_TYPES        3
   
#define IPS_MAX_ADAPTERS             16
   
#define IPS_MAX_IOCTL                1
   
#define IPS_MAX_IOCTL_QUEUE          8
   
#define IPS_MAX_QUEUE                128
   
#define IPS_BLKSIZE                  512
   
#define IPS_MAX_SG                   17
   
#define IPS_MAX_LD                   8
   
#define IPS_MAX_CHANNELS             4
   
#define IPS_MAX_TARGETS              15
   
#define IPS_MAX_CHUNKS               16
   
#define IPS_MAX_CMDS                 128
   
#define IPS_MAX_XFER                 0x10000
   
#define IPS_NVRAM_P5_SIG             0xFFDDBB99
   
#define IPS_MAX_POST_BYTES           0x02
   
#define IPS_MAX_CONFIG_BYTES         0x02
   
#define IPS_GOOD_POST_STATUS         0x80
   
#define IPS_SEM_TIMEOUT              2000
   
#define IPS_IOCTL_COMMAND            0x0D
   
#define IPS_INTR_ON                  0
   
#define IPS_INTR_IORL                1
   
#define IPS_FFDC                     99
   
#define IPS_ADAPTER_ID               0xF
   
#define IPS_VENDORID_IBM             0x1014
   
#define IPS_VENDORID_ADAPTEC         0x9005
   
#define IPS_DEVICEID_COPPERHEAD      0x002E
   
#define IPS_DEVICEID_MORPHEUS        0x01BD
   
#define IPS_DEVICEID_MARCO           0x0250
   
#define IPS_SUBDEVICEID_4M           0x01BE
   
#define IPS_SUBDEVICEID_4L           0x01BF
   
#define IPS_SUBDEVICEID_4MX          0x0208
   
#define IPS_SUBDEVICEID_4LX          0x020E
   
#define IPS_SUBDEVICEID_5I2          0x0259
   
#define IPS_SUBDEVICEID_5I1          0x0258
   
#define IPS_SUBDEVICEID_6M           0x0279
   
#define IPS_SUBDEVICEID_6I           0x028C
   
#define IPS_SUBDEVICEID_7k           0x028E
   
#define IPS_SUBDEVICEID_7M           0x028F
   
#define IPS_IOCTL_SIZE               8192
   
#define IPS_STATUS_SIZE              4
   
#define IPS_STATUS_Q_SIZE            (IPS_MAX_CMDS+1) * IPS_STATUS_SIZE
   
#define IPS_IMAGE_SIZE               500 * 1024
   
#define IPS_MEMMAP_SIZE              128
   
#define IPS_ONE_MSEC                 1
   
#define IPS_ONE_SEC                  1000

   /*
    * Geometry Settings
    */
   
#define IPS_COMP_HEADS               128
   
#define IPS_COMP_SECTORS             32
   
#define IPS_NORM_HEADS               254
   
#define IPS_NORM_SECTORS             63

   /*
    * Adapter Basic Status Codes
    */
   
#define IPS_BASIC_STATUS_MASK        0xFF
   
#define IPS_GSC_STATUS_MASK          0x0F
   
#define IPS_CMD_SUCCESS              0x00
   
#define IPS_CMD_RECOVERED_ERROR      0x01
   
#define IPS_INVAL_OPCO               0x03
   
#define IPS_INVAL_CMD_BLK            0x04
   
#define IPS_INVAL_PARM_BLK           0x05
   
#define IPS_BUSY                     0x08
   
#define IPS_CMD_CMPLT_WERROR         0x0C
   
#define IPS_LD_ERROR                 0x0D
   
#define IPS_CMD_TIMEOUT              0x0E
   
#define IPS_PHYS_DRV_ERROR           0x0F

   /*
    * Adapter Extended Status Equates
    */
   
#define IPS_ERR_SEL_TO               0xF0
   
#define IPS_ERR_OU_RUN               0xF2
   
#define IPS_ERR_HOST_RESET           0xF7
   
#define IPS_ERR_DEV_RESET            0xF8
   
#define IPS_ERR_RECOVERY             0xFC
   
#define IPS_ERR_CKCOND               0xFF

   /*
    * Operating System Defines
    */
   
#define IPS_OS_WINDOWS_NT            0x01
   
#define IPS_OS_NETWARE               0x02
   
#define IPS_OS_OPENSERVER            0x03
   
#define IPS_OS_UNIXWARE              0x04
   
#define IPS_OS_SOLARIS               0x05
   
#define IPS_OS_OS2                   0x06
   
#define IPS_OS_LINUX                 0x07
   
#define IPS_OS_FREEBSD               0x08

   /*
    * Adapter Revision ID's
    */
   
#define IPS_REVID_SERVERAID          0x02
   
#define IPS_REVID_NAVAJO             0x03
   
#define IPS_REVID_SERVERAID2         0x04
   
#define IPS_REVID_CLARINETP1         0x05
   
#define IPS_REVID_CLARINETP2         0x07
   
#define IPS_REVID_CLARINETP3         0x0D
   
#define IPS_REVID_TROMBONE32         0x0F
   
#define IPS_REVID_TROMBONE64         0x10

   /*
    * NVRAM Page 5 Adapter Defines
    */
   
#define IPS_ADTYPE_SERVERAID         0x01
   
#define IPS_ADTYPE_SERVERAID2        0x02
   
#define IPS_ADTYPE_NAVAJO            0x03
   
#define IPS_ADTYPE_KIOWA             0x04
   
#define IPS_ADTYPE_SERVERAID3        0x05
   
#define IPS_ADTYPE_SERVERAID3L       0x06
   
#define IPS_ADTYPE_SERVERAID4H       0x07
   
#define IPS_ADTYPE_SERVERAID4M       0x08
   
#define IPS_ADTYPE_SERVERAID4L       0x09
   
#define IPS_ADTYPE_SERVERAID4MX      0x0A
   
#define IPS_ADTYPE_SERVERAID4LX      0x0B
   
#define IPS_ADTYPE_SERVERAID5I2      0x0C
   
#define IPS_ADTYPE_SERVERAID5I1      0x0D
   
#define IPS_ADTYPE_SERVERAID6M       0x0E
   
#define IPS_ADTYPE_SERVERAID6I       0x0F
   
#define IPS_ADTYPE_SERVERAID7t       0x10
   
#define IPS_ADTYPE_SERVERAID7k       0x11
   
#define IPS_ADTYPE_SERVERAID7M       0x12

   /*
    * Adapter Command/Status Packet Definitions
    */
   
#define IPS_SUCCESS                  0x01 
/* Successfully completed       */
   
#define IPS_SUCCESS_IMM              0x02 
/* Success - Immediately        */
   
#define IPS_FAILURE                  0x04 
/* Completed with Error         */

   /*
    * Logical Drive Equates
    */
   
#define IPS_LD_OFFLINE               0x02
   
#define IPS_LD_OKAY                  0x03
   
#define IPS_LD_FREE                  0x00
   
#define IPS_LD_SYS                   0x06
   
#define IPS_LD_CRS                   0x24

   /*
    * DCDB Table Equates
    */
   
#define IPS_NO_DISCONNECT            0x00
   
#define IPS_DISCONNECT_ALLOWED       0x80
   
#define IPS_NO_AUTO_REQSEN           0x40
   
#define IPS_DATA_NONE                0x00
   
#define IPS_DATA_UNK                 0x00
   
#define IPS_DATA_IN                  0x01
   
#define IPS_DATA_OUT                 0x02
   
#define IPS_TRANSFER64K              0x08
   
#define IPS_NOTIMEOUT                0x00
   
#define IPS_TIMEOUT10                0x10
   
#define IPS_TIMEOUT60                0x20
   
#define IPS_TIMEOUT20M               0x30

   /*
    * SCSI Inquiry Data Flags
    */
   
#define IPS_SCSI_INQ_TYPE_DASD       0x00
   
#define IPS_SCSI_INQ_TYPE_PROCESSOR  0x03
   
#define IPS_SCSI_INQ_LU_CONNECTED    0x00
   
#define IPS_SCSI_INQ_RD_REV2         0x02
   
#define IPS_SCSI_INQ_REV2            0x02
   
#define IPS_SCSI_INQ_REV3            0x03
   
#define IPS_SCSI_INQ_Address16       0x01
   
#define IPS_SCSI_INQ_Address32       0x02
   
#define IPS_SCSI_INQ_MedChanger      0x08
   
#define IPS_SCSI_INQ_MultiPort       0x10
   
#define IPS_SCSI_INQ_EncServ         0x40
   
#define IPS_SCSI_INQ_SoftReset       0x01
   
#define IPS_SCSI_INQ_CmdQue          0x02
   
#define IPS_SCSI_INQ_Linked          0x08
   
#define IPS_SCSI_INQ_Sync            0x10
   
#define IPS_SCSI_INQ_WBus16          0x20
   
#define IPS_SCSI_INQ_WBus32          0x40
   
#define IPS_SCSI_INQ_RelAdr          0x80

   /*
    * SCSI Request Sense Data Flags
    */
   
#define IPS_SCSI_REQSEN_VALID        0x80
   
#define IPS_SCSI_REQSEN_CURRENT_ERR  0x70
   
#define IPS_SCSI_REQSEN_NO_SENSE     0x00

   /*
    * SCSI Mode Page Equates
    */
   
#define IPS_SCSI_MP3_SoftSector      0x01
   
#define IPS_SCSI_MP3_HardSector      0x02
   
#define IPS_SCSI_MP3_Removeable      0x04
   
#define IPS_SCSI_MP3_AllocateSurface 0x08

   /*
    * HA Flags
    */

   
#define IPS_HA_ENH_SG                0x1

   /*
    * SCB Flags
    */
   
#define IPS_SCB_MAP_SG               0x00008
   
#define IPS_SCB_MAP_SINGLE           0X00010

   /*
    * Passthru stuff
    */
   
#define IPS_COPPUSRCMD              (('C'<<8) | 65)
   
#define IPS_COPPIOCCMD              (('C'<<8) | 66)
   
#define IPS_NUMCTRLS                (('C'<<8) | 68)
   
#define IPS_CTRLINFO                (('C'<<8) | 69)

   /* flashing defines */
   
#define IPS_FW_IMAGE                0x00
   
#define IPS_BIOS_IMAGE              0x01
   
#define IPS_WRITE_FW                0x01
   
#define IPS_WRITE_BIOS              0x02
   
#define IPS_ERASE_BIOS              0x03
   
#define IPS_BIOS_HEADER             0xC0

   /* time oriented stuff */
   
#define IPS_IS_LEAP_YEAR(y)           (((y % 4 == 0) && ((y % 100 != 0) || (y % 400 == 0))) ? 1 : 0)
   
#define IPS_NUM_LEAP_YEARS_THROUGH(y) ((y) / 4 - (y) / 100 + (y) / 400)

   
#define IPS_SECS_MIN                 60
   
#define IPS_SECS_HOUR                3600
   
#define IPS_SECS_8HOURS              28800
   
#define IPS_SECS_DAY                 86400
   
#define IPS_DAYS_NORMAL_YEAR         365
   
#define IPS_DAYS_LEAP_YEAR           366
   
#define IPS_EPOCH_YEAR               1970

   /*
    * Scsi_Host Template
    */
   static int ips_biosparam(struct scsi_device *sdev, struct block_device *bdev,
		sector_t capacity, int geom[]);
   static int ips_slave_configure(struct scsi_device *SDptr);

/*
 * Raid Command Formats
 */
typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  log_drv;
   
uint8_t  sg_count;
   
uint32_t lba;
   
uint32_t sg_addr;
   
uint16_t sector_count;
   
uint8_t  segment_4G;
   
uint8_t  enhanced_sg;
   
uint32_t ccsar;
   
uint32_t cccr;
} 

IPS_IO_CMD, *PIPS_IO_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint16_t reserved;
   
uint32_t reserved2;
   
uint32_t buffer_addr;
   
uint32_t reserved3;
   
uint32_t ccsar;
   
uint32_t cccr;
} 

IPS_LD_CMD, *PIPS_LD_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  reserved;
   
uint8_t  reserved2;
   
uint32_t reserved3;
   
uint32_t buffer_addr;
   
uint32_t reserved4;
} 

IPS_IOCTL_CMD, *PIPS_IOCTL_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  channel;
   
uint8_t  reserved3;
   
uint8_t  reserved4;
   
uint8_t  reserved5;
   
uint8_t  reserved6;
   
uint8_t  reserved7;
   
uint8_t  reserved8;
   
uint8_t  reserved9;
   
uint8_t  reserved10;
   
uint8_t  reserved11;
   
uint8_t  reserved12;
   
uint8_t  reserved13;
   
uint8_t  reserved14;
   
uint8_t  adapter_flag;
} 

IPS_RESET_CMD, *PIPS_RESET_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint16_t reserved;
   
uint32_t reserved2;
   
uint32_t dcdb_address;
   
uint16_t reserved3;
   
uint8_t  segment_4G;
   
uint8_t  enhanced_sg;
   
uint32_t ccsar;
   
uint32_t cccr;
} 

IPS_DCDB_CMD, *PIPS_DCDB_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  channel;
   
uint8_t  source_target;
   
uint32_t reserved;
   
uint32_t reserved2;
   
uint32_t reserved3;
   
uint32_t ccsar;
   
uint32_t cccr;
} 

IPS_CS_CMD, *PIPS_CS_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  log_drv;
   
uint8_t  control;
   
uint32_t reserved;
   
uint32_t reserved2;
   
uint32_t reserved3;
   
uint32_t ccsar;
   
uint32_t cccr;
} 

IPS_US_CMD, *PIPS_US_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  reserved;
   
uint8_t  state;
   
uint32_t reserved2;
   
uint32_t reserved3;
   
uint32_t reserved4;
   
uint32_t ccsar;
   
uint32_t cccr;
} 

IPS_FC_CMD, *PIPS_FC_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  reserved;
   
uint8_t  desc;
   
uint32_t reserved2;
   
uint32_t buffer_addr;
   
uint32_t reserved3;
   
uint32_t ccsar;
   
uint32_t cccr;
} 

IPS_STATUS_CMD, *PIPS_STATUS_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  page;
   
uint8_t  write;
   
uint32_t reserved;
   
uint32_t buffer_addr;
   
uint32_t reserved2;
   
uint32_t ccsar;
   
uint32_t cccr;
} 

IPS_NVRAM_CMD, *PIPS_NVRAM_CMD;

typedef struct
{
    
uint8_t  op_code;
    
uint8_t  command_id;
    
uint16_t reserved;
    
uint32_t count;
    
uint32_t buffer_addr;
    
uint32_t reserved2;
} 

IPS_VERSION_INFO, *PIPS_VERSION_INFO;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  reset_count;
   
uint8_t  reset_type;
   
uint8_t  second;
   
uint8_t  minute;
   
uint8_t  hour;
   
uint8_t  day;
   
uint8_t  reserved1[4];
   
uint8_t  month;
   
uint8_t  yearH;
   
uint8_t  yearL;
   
uint8_t  reserved2;
} 

IPS_FFDC_CMD, *PIPS_FFDC_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  type;
   
uint8_t  direction;
   
uint32_t count;
   
uint32_t buffer_addr;
   
uint8_t  total_packets;
   
uint8_t  packet_num;
   
uint16_t reserved;
} 

IPS_FLASHFW_CMD, *PIPS_FLASHFW_CMD;

typedef struct {
   
uint8_t  op_code;
   
uint8_t  command_id;
   
uint8_t  type;
   
uint8_t  direction;
   
uint32_t count;
   
uint32_t buffer_addr;
   
uint32_t offset;
} 

IPS_FLASHBIOS_CMD, *PIPS_FLASHBIOS_CMD;

typedef union {
   
IPS_IO_CMD         basic_io;
   
IPS_LD_CMD         logical_info;
   
IPS_IOCTL_CMD      ioctl_info;
   
IPS_DCDB_CMD       dcdb;
   
IPS_CS_CMD         config_sync;
   
IPS_US_CMD         unlock_stripe;
   
IPS_FC_CMD         flush_cache;
   
IPS_STATUS_CMD     status;
   
IPS_NVRAM_CMD      nvram;
   
IPS_FFDC_CMD       ffdc;
   
IPS_FLASHFW_CMD    flashfw;
   
IPS_FLASHBIOS_CMD  flashbios;
   
IPS_VERSION_INFO   version_info;
   
IPS_RESET_CMD      reset;
} 

IPS_HOST_COMMAND, *PIPS_HOST_COMMAND;

typedef struct {
   
uint8_t  logical_id;
   
uint8_t  reserved;
   
uint8_t  raid_level;
   
uint8_t  state;
   
uint32_t sector_count;
} 

IPS_DRIVE_INFO, *PIPS_DRIVE_INFO;

typedef struct {
   
uint8_t       no_of_log_drive;
   
uint8_t       reserved[3];
   
IPS_DRIVE_INFO drive_info[IPS_MAX_LD];
} 

IPS_LD_INFO, *PIPS_LD_INFO;

typedef struct {
   
uint8_t   device_address;
   
uint8_t   cmd_attribute;
   
uint16_t  transfer_length;
   
uint32_t  buffer_pointer;
   
uint8_t   cdb_length;
   
uint8_t   sense_length;
   
uint8_t   sg_count;
   
uint8_t   reserved;
   
uint8_t   scsi_cdb[12];
   
uint8_t   sense_info[64];
   
uint8_t   scsi_status;
   
uint8_t   reserved2[3];
} 

IPS_DCDB_TABLE, *PIPS_DCDB_TABLE;

typedef struct {
   
uint8_t   device_address;
   
uint8_t   cmd_attribute;
   
uint8_t   cdb_length;
   
uint8_t   reserved_for_LUN;
   
uint32_t  transfer_length;
   
uint32_t  buffer_pointer;
   
uint16_t  sg_count;
   
uint8_t   sense_length;
   
uint8_t   scsi_status;
   
uint32_t  reserved;
   
uint8_t   scsi_cdb[16];
   
uint8_t   sense_info[56];
} 

IPS_DCDB_TABLE_TAPE, *PIPS_DCDB_TABLE_TAPE;

typedef union {
   struct {
      
volatile uint8_t  reserved;
      
volatile uint8_t  command_id;
      
volatile uint8_t  basic_status;
      
volatile uint8_t  extended_status;
   } 
fields;

   
volatile uint32_t    value;
} 

IPS_STATUS, *PIPS_STATUS;

typedef struct {
   
IPS_STATUS           status[IPS_MAX_CMDS + 1];
   
volatile PIPS_STATUS p_status_start;
   
volatile PIPS_STATUS p_status_end;
   
volatile PIPS_STATUS p_status_tail;
   
volatile uint32_t    hw_status_start;
   
volatile uint32_t    hw_status_tail;
} 

IPS_ADAPTER, *PIPS_ADAPTER;

typedef struct {
   
uint8_t  ucLogDriveCount;
   
uint8_t  ucMiscFlag;
   
uint8_t  ucSLTFlag;
   
uint8_t  ucBSTFlag;
   
uint8_t  ucPwrChgCnt;
   
uint8_t  ucWrongAdrCnt;
   
uint8_t  ucUnidentCnt;
   
uint8_t  ucNVramDevChgCnt;
   
uint8_t  CodeBlkVersion[8];
   
uint8_t  BootBlkVersion[8];
   
uint32_t ulDriveSize[IPS_MAX_LD];
   
uint8_t  ucConcurrentCmdCount;
   
uint8_t  ucMaxPhysicalDevices;
   
uint16_t usFlashRepgmCount;
   
uint8_t  ucDefunctDiskCount;
   
uint8_t  ucRebuildFlag;
   
uint8_t  ucOfflineLogDrvCount;
   
uint8_t  ucCriticalDrvCount;
   
uint16_t usConfigUpdateCount;
   
uint8_t  ucBlkFlag;
   
uint8_t  reserved;
   
uint16_t usAddrDeadDisk[IPS_MAX_CHANNELS * (IPS_MAX_TARGETS + 1)];
} 

IPS_ENQ, *PIPS_ENQ;

typedef struct {
   
uint8_t  ucInitiator;
   
uint8_t  ucParameters;
   
uint8_t  ucMiscFlag;
   
uint8_t  ucState;
   
uint32_t ulBlockCount;
   
uint8_t  ucDeviceId[28];
} 

IPS_DEVSTATE, *PIPS_DEVSTATE;

typedef struct {
   
uint8_t  ucChn;
   
uint8_t  ucTgt;
   
uint16_t ucReserved;
   
uint32_t ulStartSect;
   
uint32_t ulNoOfSects;
} 

IPS_CHUNK, *PIPS_CHUNK;

typedef struct {
   
uint16_t ucUserField;
   
uint8_t  ucState;
   
uint8_t  ucRaidCacheParam;
   
uint8_t  ucNoOfChunkUnits;
   
uint8_t  ucStripeSize;
   
uint8_t  ucParams;
   
uint8_t  ucReserved;
   
uint32_t ulLogDrvSize;
   
IPS_CHUNK chunk[IPS_MAX_CHUNKS];
} 

IPS_LD, *PIPS_LD;

typedef struct {
   
uint8_t  board_disc[8];
   
uint8_t  processor[8];
   
uint8_t  ucNoChanType;
   
uint8_t  ucNoHostIntType;
   
uint8_t  ucCompression;
   
uint8_t  ucNvramType;
   
uint32_t ulNvramSize;
} 

IPS_HARDWARE, *PIPS_HARDWARE;

typedef struct {
   
uint8_t        ucLogDriveCount;
   
uint8_t        ucDateD;
   
uint8_t        ucDateM;
   
uint8_t        ucDateY;
   
uint8_t        init_id[4];
   
uint8_t        host_id[12];
   
uint8_t        time_sign[8];
   
uint32_t       UserOpt;
   
uint16_t       user_field;
   
uint8_t        ucRebuildRate;
   
uint8_t        ucReserve;
   
IPS_HARDWARE   hardware_disc;
   
IPS_LD         logical_drive[IPS_MAX_LD];
   
IPS_DEVSTATE   dev[IPS_MAX_CHANNELS][IPS_MAX_TARGETS+1];
   
uint8_t        reserved[512];
} 

IPS_CONF, *PIPS_CONF;

typedef struct {
   
uint32_t  signature;
   
uint8_t   reserved1;
   
uint8_t   adapter_slot;
   
uint16_t  adapter_type;
   
uint8_t   ctrl_bios[8];
   
uint8_t   versioning;                   /* 1 = Versioning Supported, else 0 */
   
uint8_t   version_mismatch;             /* 1 = Versioning MisMatch,  else 0 */
   
uint8_t   reserved2;
   
uint8_t   operating_system;
   
uint8_t   driver_high[4];
   
uint8_t   driver_low[4];
   
uint8_t   BiosCompatibilityID[8];
   
uint8_t   ReservedForOS2[8];
   
uint8_t   bios_high[4];                 /* Adapter's Flashed BIOS Version   */
   
uint8_t   bios_low[4];
   
uint8_t   adapter_order[16];            /* BIOS Telling us the Sort Order   */
   
uint8_t   Filler[60];
} 

IPS_NVRAM_P5, *PIPS_NVRAM_P5;

/*--------------------------------------------------------------------------*/
/* Data returned from a GetVersion Command                                  */
/*--------------------------------------------------------------------------*/

                                             /* SubSystem Parameter[4]      */

#define  IPS_GET_VERSION_SUPPORT 0x00018000  
/* Mask for Versioning Support */

typedef struct
{
   
uint32_t  revision;
   
uint8_t   bootBlkVersion[32];
   
uint8_t   bootBlkAttributes[4];
   
uint8_t   codeBlkVersion[32];
   
uint8_t   biosVersion[32];
   
uint8_t   biosAttributes[4];
   
uint8_t   compatibilityId[32];
   
uint8_t   reserved[4];
} 
IPS_VERSION_DATA;



typedef struct _IPS_SUBSYS {
   
uint32_t  param[128];
} 

IPS_SUBSYS, *PIPS_SUBSYS;

/**
 ** SCSI Structures
 **/

/*
 * Inquiry Data Format
 */
typedef struct {
   
uint8_t   DeviceType;
   
uint8_t   DeviceTypeQualifier;
   
uint8_t   Version;
   
uint8_t   ResponseDataFormat;
   
uint8_t   AdditionalLength;
   
uint8_t   Reserved;
   
uint8_t   Flags[2];
   
uint8_t   VendorId[8];
   
uint8_t   ProductId[16];
   
uint8_t   ProductRevisionLevel[4];
   
uint8_t   Reserved2;                                  /* Provides NULL terminator to name */
} 

IPS_SCSI_INQ_DATA, *PIPS_SCSI_INQ_DATA;

/*
 * Read Capacity Data Format
 */
typedef struct {
   
uint32_t lba;
   
uint32_t len;
} 
IPS_SCSI_CAPACITY;

/*
 * Request Sense Data Format
 */
typedef struct {
   
uint8_t  ResponseCode;
   
uint8_t  SegmentNumber;
   
uint8_t  Flags;
   
uint8_t  Information[4];
   
uint8_t  AdditionalLength;
   
uint8_t  CommandSpecific[4];
   
uint8_t  AdditionalSenseCode;
   
uint8_t  AdditionalSenseCodeQual;
   
uint8_t  FRUCode;
   
uint8_t  SenseKeySpecific[3];
} 
IPS_SCSI_REQSEN;

/*
 * Sense Data Format - Page 3
 */
typedef struct {
   
uint8_t  PageCode;
   
uint8_t  PageLength;
   
uint16_t TracksPerZone;
   
uint16_t AltSectorsPerZone;
   
uint16_t AltTracksPerZone;
   
uint16_t AltTracksPerVolume;
   
uint16_t SectorsPerTrack;
   
uint16_t BytesPerSector;
   
uint16_t Interleave;
   
uint16_t TrackSkew;
   
uint16_t CylinderSkew;
   
uint8_t  flags;
   
uint8_t  reserved[3];
} 
IPS_SCSI_MODE_PAGE3;

/*
 * Sense Data Format - Page 4
 */
typedef struct {
   
uint8_t  PageCode;
   
uint8_t  PageLength;
   
uint16_t CylindersHigh;
   
uint8_t  CylindersLow;
   
uint8_t  Heads;
   
uint16_t WritePrecompHigh;
   
uint8_t  WritePrecompLow;
   
uint16_t ReducedWriteCurrentHigh;
   
uint8_t  ReducedWriteCurrentLow;
   
uint16_t StepRate;
   
uint16_t LandingZoneHigh;
   
uint8_t  LandingZoneLow;
   
uint8_t  flags;
   
uint8_t  RotationalOffset;
   
uint8_t  Reserved;
   
uint16_t MediumRotationRate;
   
uint8_t  Reserved2[2]