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kernel/linux-imx6_3.14.28/drivers/scsi/arcmsr/arcmsr.h 29.1 KB
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  /*
  *******************************************************************************
  **        O.S   : Linux
  **   FILE NAME  : arcmsr.h
  **        BY    : Nick Cheng
  **   Description: SCSI RAID Device Driver for
  **                ARECA RAID Host adapter
  *******************************************************************************
  ** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved.
  **
  **     Web site: www.areca.com.tw
  **       E-mail: support@areca.com.tw
  **
  ** This program is free software; you can redistribute it and/or modify
  ** it under the terms of the GNU General Public License version 2 as
  ** published by the Free Software Foundation.
  ** 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.
  *******************************************************************************
  ** 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.
  ** 3. The name of the author may not be used to endorse or promote products
  **    derived from this software without specific prior written permission.
  **
  ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 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.
  *******************************************************************************
  */
  #include <linux/interrupt.h>
  struct device_attribute;
  /*The limit of outstanding scsi command that firmware can handle*/
  #define ARCMSR_MAX_OUTSTANDING_CMD						256
  #ifdef CONFIG_XEN
  	#define ARCMSR_MAX_FREECCB_NUM	160
  #else
  	#define ARCMSR_MAX_FREECCB_NUM	320
  #endif
  #define ARCMSR_DRIVER_VERSION		     "Driver Version 1.20.00.15 2010/08/05"
  #define ARCMSR_SCSI_INITIATOR_ID						255
  #define ARCMSR_MAX_XFER_SECTORS							512
  #define ARCMSR_MAX_XFER_SECTORS_B						4096
  #define ARCMSR_MAX_XFER_SECTORS_C						304
  #define ARCMSR_MAX_TARGETID							17
  #define ARCMSR_MAX_TARGETLUN							8
  #define ARCMSR_MAX_CMD_PERLUN		                 ARCMSR_MAX_OUTSTANDING_CMD
  #define ARCMSR_MAX_QBUFFER							4096
  #define ARCMSR_DEFAULT_SG_ENTRIES						38
  #define ARCMSR_MAX_HBB_POSTQUEUE						264
  #define ARCMSR_MAX_XFER_LEN							0x26000 /* 152K */
  #define ARCMSR_CDB_SG_PAGE_LENGTH						256 
  #ifndef PCI_DEVICE_ID_ARECA_1880
  #define PCI_DEVICE_ID_ARECA_1880 0x1880
   #endif
  /*
  **********************************************************************************
  **
  **********************************************************************************
  */
  #define ARC_SUCCESS                                                       0
  #define ARC_FAILURE                                                       1
  /*
  *******************************************************************************
  **        split 64bits dma addressing
  *******************************************************************************
  */
  #define dma_addr_hi32(addr)               (uint32_t) ((addr>>16)>>16)
  #define dma_addr_lo32(addr)               (uint32_t) (addr & 0xffffffff)
  /*
  *******************************************************************************
  **        MESSAGE CONTROL CODE
  *******************************************************************************
  */
  struct CMD_MESSAGE
  {
        uint32_t HeaderLength;
        uint8_t  Signature[8];
        uint32_t Timeout;
        uint32_t ControlCode;
        uint32_t ReturnCode;
        uint32_t Length;
  };
  /*
  *******************************************************************************
  **        IOP Message Transfer Data for user space
  *******************************************************************************
  */
  struct CMD_MESSAGE_FIELD
  {
      struct CMD_MESSAGE			cmdmessage;
      uint8_t				messagedatabuffer[1032];
  };
  /* IOP message transfer */
  #define ARCMSR_MESSAGE_FAIL			0x0001
  /* DeviceType */
  #define ARECA_SATA_RAID				0x90000000
  /* FunctionCode */
  #define FUNCTION_READ_RQBUFFER			0x0801
  #define FUNCTION_WRITE_WQBUFFER			0x0802
  #define FUNCTION_CLEAR_RQBUFFER			0x0803
  #define FUNCTION_CLEAR_WQBUFFER			0x0804
  #define FUNCTION_CLEAR_ALLQBUFFER		0x0805
  #define FUNCTION_RETURN_CODE_3F			0x0806
  #define FUNCTION_SAY_HELLO			0x0807
  #define FUNCTION_SAY_GOODBYE			0x0808
  #define FUNCTION_FLUSH_ADAPTER_CACHE		0x0809
  #define FUNCTION_GET_FIRMWARE_STATUS			0x080A
  #define FUNCTION_HARDWARE_RESET			0x080B
  /* ARECA IO CONTROL CODE*/
  #define ARCMSR_MESSAGE_READ_RQBUFFER       \
  	ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
  #define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
  	ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
  #define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
  	ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
  #define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
  	ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
  #define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
  	ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
  #define ARCMSR_MESSAGE_RETURN_CODE_3F      \
  	ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
  #define ARCMSR_MESSAGE_SAY_HELLO           \
  	ARECA_SATA_RAID | FUNCTION_SAY_HELLO
  #define ARCMSR_MESSAGE_SAY_GOODBYE         \
  	ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
  #define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
  	ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
  /* ARECA IOCTL ReturnCode */
  #define ARCMSR_MESSAGE_RETURNCODE_OK		0x00000001
  #define ARCMSR_MESSAGE_RETURNCODE_ERROR		0x00000006
  #define ARCMSR_MESSAGE_RETURNCODE_3F		0x0000003F
  #define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON	0x00000088
  /*
  *************************************************************
  **   structure for holding DMA address data
  *************************************************************
  */
  #define IS_DMA64			(sizeof(dma_addr_t) == 8)
  #define IS_SG64_ADDR                0x01000000 /* bit24 */
  struct  SG32ENTRY
  {
  	__le32					length;
  	__le32					address;
  }__attribute__ ((packed));
  struct  SG64ENTRY
  {
  	__le32					length;
  	__le32					address;
  	__le32					addresshigh;
  }__attribute__ ((packed));
  /*
  ********************************************************************
  **      Q Buffer of IOP Message Transfer
  ********************************************************************
  */
  struct QBUFFER
  {
  	uint32_t      data_len;
  	uint8_t       data[124];
  };
  /*
  *******************************************************************************
  **      FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
  *******************************************************************************
  */
  struct FIRMWARE_INFO
  {
  	uint32_t      signature;		/*0, 00-03*/
  	uint32_t      request_len;		/*1, 04-07*/
  	uint32_t      numbers_queue;		/*2, 08-11*/
  	uint32_t      sdram_size;               /*3, 12-15*/
  	uint32_t      ide_channels;		/*4, 16-19*/
  	char          vendor[40];		/*5, 20-59*/
  	char          model[8];			/*15, 60-67*/
  	char          firmware_ver[16];     	/*17, 68-83*/
  	char          device_map[16];		/*21, 84-99*/
  	uint32_t		cfgVersion;               	/*25,100-103 Added for checking of new firmware capability*/
  	uint8_t		cfgSerial[16];           	/*26,104-119*/
  	uint32_t		cfgPicStatus;            	/*30,120-123*/	
  };
  /* signature of set and get firmware config */
  #define ARCMSR_SIGNATURE_GET_CONFIG		      0x87974060
  #define ARCMSR_SIGNATURE_SET_CONFIG		      0x87974063
  /* message code of inbound message register */
  #define ARCMSR_INBOUND_MESG0_NOP		      0x00000000
  #define ARCMSR_INBOUND_MESG0_GET_CONFIG		      0x00000001
  #define ARCMSR_INBOUND_MESG0_SET_CONFIG               0x00000002
  #define ARCMSR_INBOUND_MESG0_ABORT_CMD                0x00000003
  #define ARCMSR_INBOUND_MESG0_STOP_BGRB                0x00000004
  #define ARCMSR_INBOUND_MESG0_FLUSH_CACHE              0x00000005
  #define ARCMSR_INBOUND_MESG0_START_BGRB               0x00000006
  #define ARCMSR_INBOUND_MESG0_CHK331PENDING            0x00000007
  #define ARCMSR_INBOUND_MESG0_SYNC_TIMER               0x00000008
  /* doorbell interrupt generator */
  #define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK           0x00000001
  #define ARCMSR_INBOUND_DRIVER_DATA_READ_OK            0x00000002
  #define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK          0x00000001
  #define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK           0x00000002
  /* ccb areca cdb flag */
  #define ARCMSR_CCBPOST_FLAG_SGL_BSIZE                 0x80000000
  #define ARCMSR_CCBPOST_FLAG_IAM_BIOS                  0x40000000
  #define ARCMSR_CCBREPLY_FLAG_IAM_BIOS                 0x40000000
  #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0              0x10000000
  #define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1              0x00000001
  /* outbound firmware ok */
  #define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK             0x80000000
  /* ARC-1680 Bus Reset*/
  #define ARCMSR_ARC1680_BUS_RESET				0x00000003
  /* ARC-1880 Bus Reset*/
  #define ARCMSR_ARC1880_RESET_ADAPTER				0x00000024
  #define ARCMSR_ARC1880_DiagWrite_ENABLE			0x00000080
  
  /*
  ************************************************************************
  **                SPEC. for Areca Type B adapter
  ************************************************************************
  */
  /* ARECA HBB COMMAND for its FIRMWARE */
  /* window of "instruction flags" from driver to iop */
  #define ARCMSR_DRV2IOP_DOORBELL                       0x00020400
  #define ARCMSR_DRV2IOP_DOORBELL_MASK                  0x00020404
  /* window of "instruction flags" from iop to driver */
  #define ARCMSR_IOP2DRV_DOORBELL                       0x00020408
  #define ARCMSR_IOP2DRV_DOORBELL_MASK                  0x0002040C
  /* ARECA FLAG LANGUAGE */
  /* ioctl transfer */
  #define ARCMSR_IOP2DRV_DATA_WRITE_OK                  0x00000001
  /* ioctl transfer */
  #define ARCMSR_IOP2DRV_DATA_READ_OK                   0x00000002
  #define ARCMSR_IOP2DRV_CDB_DONE                       0x00000004
  #define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE               0x00000008
  
  #define ARCMSR_DOORBELL_HANDLE_INT		      0x0000000F
  #define ARCMSR_DOORBELL_INT_CLEAR_PATTERN   	      0xFF00FFF0
  #define ARCMSR_MESSAGE_INT_CLEAR_PATTERN	      0xFF00FFF7
  /* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
  #define ARCMSR_MESSAGE_GET_CONFIG		      0x00010008
  /* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
  #define ARCMSR_MESSAGE_SET_CONFIG		      0x00020008
  /* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
  #define ARCMSR_MESSAGE_ABORT_CMD		      0x00030008
  /* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
  #define ARCMSR_MESSAGE_STOP_BGRB		      0x00040008
  /* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
  #define ARCMSR_MESSAGE_FLUSH_CACHE                    0x00050008
  /* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
  #define ARCMSR_MESSAGE_START_BGRB		      0x00060008
  #define ARCMSR_MESSAGE_START_DRIVER_MODE	      0x000E0008
  #define ARCMSR_MESSAGE_SET_POST_WINDOW		      0x000F0008
  #define ARCMSR_MESSAGE_ACTIVE_EOI_MODE		    0x00100008
  /* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
  #define ARCMSR_MESSAGE_FIRMWARE_OK		      0x80000000
  /* ioctl transfer */
  #define ARCMSR_DRV2IOP_DATA_WRITE_OK                  0x00000001
  /* ioctl transfer */
  #define ARCMSR_DRV2IOP_DATA_READ_OK                   0x00000002
  #define ARCMSR_DRV2IOP_CDB_POSTED                     0x00000004
  #define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED             0x00000008
  #define ARCMSR_DRV2IOP_END_OF_INTERRUPT		0x00000010
  
  /* data tunnel buffer between user space program and its firmware */
  /* user space data to iop 128bytes */
  #define ARCMSR_MESSAGE_WBUFFER			      0x0000fe00
  /* iop data to user space 128bytes */
  #define ARCMSR_MESSAGE_RBUFFER			      0x0000ff00
  /* iop message_rwbuffer for message command */
  #define ARCMSR_MESSAGE_RWBUFFER			      0x0000fa00
  /* 
  ************************************************************************
  **                SPEC. for Areca HBC adapter
  ************************************************************************
  */
  #define ARCMSR_HBC_ISR_THROTTLING_LEVEL		12
  #define ARCMSR_HBC_ISR_MAX_DONE_QUEUE		20
  /* Host Interrupt Mask */
  #define ARCMSR_HBCMU_UTILITY_A_ISR_MASK		0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
  #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK	0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
  #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK	0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
  #define ARCMSR_HBCMU_ALL_INTMASKENABLE		0x0000000D /* disable all ISR */
  /* Host Interrupt Status */
  #define ARCMSR_HBCMU_UTILITY_A_ISR			0x00000001
  	/*
  	** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
  	** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
  	*/
  #define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR		0x00000004
  	/*
  	** Set if Outbound Doorbell register bits 30:1 have a non-zero
  	** value. This bit clears only when Outbound Doorbell bits
  	** 30:1 are ALL clear. Only a write to the Outbound Doorbell
  	** Clear register clears bits in the Outbound Doorbell register.
  	*/
  #define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR	0x00000008
  	/*
  	** Set whenever the Outbound Post List Producer/Consumer
  	** Register (FIFO) is not empty. It clears when the Outbound
  	** Post List FIFO is empty.
  	*/
  #define ARCMSR_HBCMU_SAS_ALL_INT			0x00000010
  	/*
  	** This bit indicates a SAS interrupt from a source external to
  	** the PCIe core. This bit is not maskable.
  	*/
  	/* DoorBell*/
  #define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK			0x00000002
  #define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK			0x00000004
  	/*inbound message 0 ready*/
  #define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE		0x00000008
  	/*more than 12 request completed in a time*/
  #define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING		0x00000010
  #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK			0x00000002
  	/*outbound DATA WRITE isr door bell clear*/
  #define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR	0x00000002
  #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK			0x00000004
  	/*outbound DATA READ isr door bell clear*/
  #define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR	0x00000004
  	/*outbound message 0 ready*/
  #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE		0x00000008
  	/*outbound message cmd isr door bell clear*/
  #define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR	0x00000008
  	/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
  #define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK			0x80000000
  /*
  *******************************************************************************
  **    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
  *******************************************************************************
  */
  struct ARCMSR_CDB
  {
  	uint8_t							Bus;
  	uint8_t							TargetID;
  	uint8_t							LUN;
  	uint8_t							Function;
  	uint8_t							CdbLength;
  	uint8_t							sgcount;
  	uint8_t							Flags;
  #define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
  #define ARCMSR_CDB_FLAG_BIOS               0x02
  #define ARCMSR_CDB_FLAG_WRITE              0x04
  #define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
  #define ARCMSR_CDB_FLAG_HEADQ              0x08
  #define ARCMSR_CDB_FLAG_ORDEREDQ           0x10
  
  	uint8_t							msgPages;
  	uint32_t						Context;
  	uint32_t						DataLength;
  	uint8_t							Cdb[16];
  	uint8_t							DeviceStatus;
  #define ARCMSR_DEV_CHECK_CONDITION	    0x02
  #define ARCMSR_DEV_SELECT_TIMEOUT	    0xF0
  #define ARCMSR_DEV_ABORTED		    0xF1
  #define ARCMSR_DEV_INIT_FAIL		    0xF2
  
  	uint8_t							SenseData[15];
  	union
  	{
  		struct SG32ENTRY                sg32entry[1];
  		struct SG64ENTRY                sg64entry[1];
  	} u;
  };
  /*
  *******************************************************************************
  **     Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
  *******************************************************************************
  */
  struct MessageUnit_A
  {
  	uint32_t	resrved0[4];			/*0000 000F*/
  	uint32_t	inbound_msgaddr0;		/*0010 0013*/
  	uint32_t	inbound_msgaddr1;		/*0014 0017*/
  	uint32_t	outbound_msgaddr0;		/*0018 001B*/
  	uint32_t	outbound_msgaddr1;		/*001C 001F*/
  	uint32_t	inbound_doorbell;		/*0020 0023*/
  	uint32_t	inbound_intstatus;		/*0024 0027*/
  	uint32_t	inbound_intmask;		/*0028 002B*/
  	uint32_t	outbound_doorbell;		/*002C 002F*/
  	uint32_t	outbound_intstatus;		/*0030 0033*/
  	uint32_t	outbound_intmask;		/*0034 0037*/
  	uint32_t	reserved1[2];			/*0038 003F*/
  	uint32_t	inbound_queueport;		/*0040 0043*/
  	uint32_t	outbound_queueport;     	/*0044 0047*/
  	uint32_t	reserved2[2];			/*0048 004F*/
  	uint32_t	reserved3[492];			/*0050 07FF 492*/
  	uint32_t	reserved4[128];			/*0800 09FF 128*/
  	uint32_t	message_rwbuffer[256];		/*0a00 0DFF 256*/
  	uint32_t	message_wbuffer[32];		/*0E00 0E7F  32*/
  	uint32_t	reserved5[32];			/*0E80 0EFF  32*/
  	uint32_t	message_rbuffer[32];		/*0F00 0F7F  32*/
  	uint32_t	reserved6[32];			/*0F80 0FFF  32*/
  };
  
  struct MessageUnit_B
  {
  	uint32_t	post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
  	uint32_t	done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
  	uint32_t	postq_index;
  	uint32_t	doneq_index;
  	uint32_t		__iomem *drv2iop_doorbell;
  	uint32_t		__iomem *drv2iop_doorbell_mask;
  	uint32_t		__iomem *iop2drv_doorbell;
  	uint32_t		__iomem *iop2drv_doorbell_mask;
  	uint32_t		__iomem *message_rwbuffer;
  	uint32_t		__iomem *message_wbuffer;
  	uint32_t		__iomem *message_rbuffer;
  };
  /*
  *********************************************************************
  ** LSI
  *********************************************************************
  */
  struct MessageUnit_C{
  	uint32_t	message_unit_status;			/*0000 0003*/
  	uint32_t	slave_error_attribute;			/*0004 0007*/
  	uint32_t	slave_error_address;			/*0008 000B*/
  	uint32_t	posted_outbound_doorbell;		/*000C 000F*/
  	uint32_t	master_error_attribute;			/*0010 0013*/
  	uint32_t	master_error_address_low;		/*0014 0017*/
  	uint32_t	master_error_address_high;		/*0018 001B*/
  	uint32_t	hcb_size;				/*001C 001F*/
  	uint32_t	inbound_doorbell;			/*0020 0023*/
  	uint32_t	diagnostic_rw_data;			/*0024 0027*/
  	uint32_t	diagnostic_rw_address_low;		/*0028 002B*/
  	uint32_t	diagnostic_rw_address_high;		/*002C 002F*/
  	uint32_t	host_int_status;				/*0030 0033*/
  	uint32_t	host_int_mask;				/*0034 0037*/
  	uint32_t	dcr_data;				/*0038 003B*/
  	uint32_t	dcr_address;				/*003C 003F*/
  	uint32_t	inbound_queueport;			/*0040 0043*/
  	uint32_t	outbound_queueport;			/*0044 0047*/
  	uint32_t	hcb_pci_address_low;			/*0048 004B*/
  	uint32_t	hcb_pci_address_high;			/*004C 004F*/
  	uint32_t	iop_int_status;				/*0050 0053*/
  	uint32_t	iop_int_mask;				/*0054 0057*/
  	uint32_t	iop_inbound_queue_port;			/*0058 005B*/
  	uint32_t	iop_outbound_queue_port;		/*005C 005F*/
  	uint32_t	inbound_free_list_index;			/*0060 0063*/
  	uint32_t	inbound_post_list_index;			/*0064 0067*/
  	uint32_t	outbound_free_list_index;			/*0068 006B*/
  	uint32_t	outbound_post_list_index;			/*006C 006F*/
  	uint32_t	inbound_doorbell_clear;			/*0070 0073*/
  	uint32_t	i2o_message_unit_control;			/*0074 0077*/
  	uint32_t	last_used_message_source_address_low;	/*0078 007B*/
  	uint32_t	last_used_message_source_address_high;	/*007C 007F*/
  	uint32_t	pull_mode_data_byte_count[4];		/*0080 008F*/
  	uint32_t	message_dest_address_index;		/*0090 0093*/
  	uint32_t	done_queue_not_empty_int_counter_timer;	/*0094 0097*/
  	uint32_t	utility_A_int_counter_timer;		/*0098 009B*/
  	uint32_t	outbound_doorbell;			/*009C 009F*/
  	uint32_t	outbound_doorbell_clear;			/*00A0 00A3*/
  	uint32_t	message_source_address_index;		/*00A4 00A7*/
  	uint32_t	message_done_queue_index;		/*00A8 00AB*/
  	uint32_t	reserved0;				/*00AC 00AF*/
  	uint32_t	inbound_msgaddr0;			/*00B0 00B3*/
  	uint32_t	inbound_msgaddr1;			/*00B4 00B7*/
  	uint32_t	outbound_msgaddr0;			/*00B8 00BB*/
  	uint32_t	outbound_msgaddr1;			/*00BC 00BF*/
  	uint32_t	inbound_queueport_low;			/*00C0 00C3*/
  	uint32_t	inbound_queueport_high;			/*00C4 00C7*/
  	uint32_t	outbound_queueport_low;			/*00C8 00CB*/
  	uint32_t	outbound_queueport_high;		/*00CC 00CF*/
  	uint32_t	iop_inbound_queue_port_low;		/*00D0 00D3*/
  	uint32_t	iop_inbound_queue_port_high;		/*00D4 00D7*/
  	uint32_t	iop_outbound_queue_port_low;		/*00D8 00DB*/
  	uint32_t	iop_outbound_queue_port_high;		/*00DC 00DF*/
  	uint32_t	message_dest_queue_port_low;		/*00E0 00E3*/
  	uint32_t	message_dest_queue_port_high;		/*00E4 00E7*/
  	uint32_t	last_used_message_dest_address_low;	/*00E8 00EB*/
  	uint32_t	last_used_message_dest_address_high;	/*00EC 00EF*/
  	uint32_t	message_done_queue_base_address_low;	/*00F0 00F3*/
  	uint32_t	message_done_queue_base_address_high;	/*00F4 00F7*/
  	uint32_t	host_diagnostic;				/*00F8 00FB*/
  	uint32_t	write_sequence;				/*00FC 00FF*/
  	uint32_t	reserved1[34];				/*0100 0187*/
  	uint32_t	reserved2[1950];				/*0188 1FFF*/
  	uint32_t	message_wbuffer[32];			/*2000 207F*/
  	uint32_t	reserved3[32];				/*2080 20FF*/
  	uint32_t	message_rbuffer[32];			/*2100 217F*/
  	uint32_t	reserved4[32];				/*2180 21FF*/
  	uint32_t	msgcode_rwbuffer[256];			/*2200 23FF*/
  };
  /*
  *******************************************************************************
  **                 Adapter Control Block
  *******************************************************************************
  */
  struct AdapterControlBlock
  {
  	uint32_t  adapter_type;                /* adapter A,B..... */
  	#define ACB_ADAPTER_TYPE_A            0x00000001	/* hba I IOP */
  	#define ACB_ADAPTER_TYPE_B            0x00000002	/* hbb M IOP */
  	#define ACB_ADAPTER_TYPE_C            0x00000004	/* hbc P IOP */
  	#define ACB_ADAPTER_TYPE_D            0x00000008	/* hbd A IOP */
  	struct pci_dev *		pdev;
  	struct Scsi_Host *		host;
  	unsigned long			vir2phy_offset;
  	/* Offset is used in making arc cdb physical to virtual calculations */
  	uint32_t			outbound_int_enable;
  	uint32_t			cdb_phyaddr_hi32;
  	uint32_t			reg_mu_acc_handle0;
  	spinlock_t                      			eh_lock;
  	spinlock_t                      			ccblist_lock;
  	union {
  		struct MessageUnit_A __iomem *pmuA;
  		struct MessageUnit_B 	*pmuB;
  		struct MessageUnit_C __iomem *pmuC;
  	};
  	/* message unit ATU inbound base address0 */
  	void __iomem *mem_base0;
  	void __iomem *mem_base1;
  	uint32_t			acb_flags;
  	u16			dev_id;
  	uint8_t                   		adapter_index;
  	#define ACB_F_SCSISTOPADAPTER         	0x0001
  	#define ACB_F_MSG_STOP_BGRB     	0x0002
  	/* stop RAID background rebuild */
  	#define ACB_F_MSG_START_BGRB          	0x0004
  	/* stop RAID background rebuild */
  	#define ACB_F_IOPDATA_OVERFLOW        	0x0008
  	/* iop message data rqbuffer overflow */
  	#define ACB_F_MESSAGE_WQBUFFER_CLEARED	0x0010
  	/* message clear wqbuffer */
  	#define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
  	/* message clear rqbuffer */
  	#define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
  	#define ACB_F_BUS_RESET               	0x0080
  	#define ACB_F_BUS_HANG_ON		0x0800/* need hardware reset bus */
  
  	#define ACB_F_IOP_INITED              	0x0100
  	/* iop init */
  	#define ACB_F_ABORT				0x0200
  	#define ACB_F_FIRMWARE_TRAP           		0x0400
  	struct CommandControlBlock *			pccb_pool[ARCMSR_MAX_FREECCB_NUM];
  	/* used for memory free */
  	struct list_head		ccb_free_list;
  	/* head of free ccb list */
  
  	atomic_t			ccboutstandingcount;
  	/*The present outstanding command number that in the IOP that
  					waiting for being handled by FW*/
  
  	void *				dma_coherent;
  	/* dma_coherent used for memory free */
  	dma_addr_t			dma_coherent_handle;
  	/* dma_coherent_handle used for memory free */
  	dma_addr_t				dma_coherent_handle_hbb_mu;
  	unsigned int				uncache_size;
  	uint8_t				rqbuffer[ARCMSR_MAX_QBUFFER];
  	/* data collection buffer for read from 80331 */
  	int32_t				rqbuf_firstindex;
  	/* first of read buffer  */
  	int32_t				rqbuf_lastindex;
  	/* last of read buffer   */
  	uint8_t				wqbuffer[ARCMSR_MAX_QBUFFER];
  	/* data collection buffer for write to 80331  */
  	int32_t				wqbuf_firstindex;
  	/* first of write buffer */
  	int32_t				wqbuf_lastindex;
  	/* last of write buffer  */
  	uint8_t				devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
  	/* id0 ..... id15, lun0...lun7 */
  #define ARECA_RAID_GONE               0x55
  #define ARECA_RAID_GOOD               0xaa
  	uint32_t			num_resets;
  	uint32_t			num_aborts;
  	uint32_t			signature;
  	uint32_t			firm_request_len;
  	uint32_t			firm_numbers_queue;
  	uint32_t			firm_sdram_size;
  	uint32_t			firm_hd_channels;
  	uint32_t                           	firm_cfg_version;	
  	char			firm_model[12];
  	char			firm_version[20];
  	char			device_map[20];			/*21,84-99*/
  	struct work_struct 		arcmsr_do_message_isr_bh;
  	struct timer_list		eternal_timer;
  	unsigned short		fw_flag;
  				#define	FW_NORMAL	0x0000
  				#define	FW_BOG		0x0001
  				#define	FW_DEADLOCK	0x0010
  	atomic_t 			rq_map_token;
  	atomic_t			ante_token_value;
  };/* HW_DEVICE_EXTENSION */
  /*
  *******************************************************************************
  **                   Command Control Block
  **             this CCB length must be 32 bytes boundary
  *******************************************************************************
  */
  struct CommandControlBlock{
  	/*x32:sizeof struct_CCB=(32+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
  	struct list_head		list;				/*x32: 8byte, x64: 16byte*/
  	struct scsi_cmnd		*pcmd;				/*8 bytes pointer of linux scsi command */
  	struct AdapterControlBlock	*acb;				/*x32: 4byte, x64: 8byte*/
  	uint32_t			cdb_phyaddr_pattern;		/*x32: 4byte, x64: 4byte*/
  	uint32_t			arc_cdb_size;			/*x32:4byte,x64:4byte*/
  	uint16_t			ccb_flags;			/*x32: 2byte, x64: 2byte*/
  	#define			CCB_FLAG_READ			0x0000
  	#define			CCB_FLAG_WRITE		0x0001
  	#define			CCB_FLAG_ERROR		0x0002
  	#define			CCB_FLAG_FLUSHCACHE		0x0004
  	#define			CCB_FLAG_MASTER_ABORTED	0x0008	
  	uint16_t                        	startdone;			/*x32:2byte,x32:2byte*/
  	#define			ARCMSR_CCB_DONE   	        	0x0000
  	#define			ARCMSR_CCB_START		0x55AA
  	#define			ARCMSR_CCB_ABORTED		0xAA55
  	#define			ARCMSR_CCB_ILLEGAL		0xFFFF
  	#if BITS_PER_LONG == 64
  	/*  ======================512+64 bytes========================  */
  		uint32_t                        	reserved[5];		/*24 byte*/
  	#else
  	/*  ======================512+32 bytes========================  */
  		uint32_t                        	reserved;		/*8  byte*/
  	#endif
  	/*  =======================================================   */
  	struct ARCMSR_CDB		arcmsr_cdb;
  };
  /*
  *******************************************************************************
  **    ARECA SCSI sense data
  *******************************************************************************
  */
  struct SENSE_DATA
  {
  	uint8_t				ErrorCode:7;
  #define SCSI_SENSE_CURRENT_ERRORS	0x70
  #define SCSI_SENSE_DEFERRED_ERRORS	0x71
  	uint8_t				Valid:1;
  	uint8_t				SegmentNumber;
  	uint8_t				SenseKey:4;
  	uint8_t				Reserved:1;
  	uint8_t				IncorrectLength:1;
  	uint8_t				EndOfMedia:1;
  	uint8_t				FileMark:1;
  	uint8_t				Information[4];
  	uint8_t				AdditionalSenseLength;
  	uint8_t				CommandSpecificInformation[4];
  	uint8_t				AdditionalSenseCode;
  	uint8_t				AdditionalSenseCodeQualifier;
  	uint8_t				FieldReplaceableUnitCode;
  	uint8_t				SenseKeySpecific[3];
  };
  /*
  *******************************************************************************
  **  Outbound Interrupt Status Register - OISR
  *******************************************************************************
  */
  #define     ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG                 0x30
  #define     ARCMSR_MU_OUTBOUND_PCI_INT                              0x10
  #define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INT                        0x08
  #define     ARCMSR_MU_OUTBOUND_DOORBELL_INT                         0x04
  #define     ARCMSR_MU_OUTBOUND_MESSAGE1_INT                         0x02
  #define     ARCMSR_MU_OUTBOUND_MESSAGE0_INT                         0x01
  #define     ARCMSR_MU_OUTBOUND_HANDLE_INT                 \
                      (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
                       |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
                       |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
                       |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
                       |ARCMSR_MU_OUTBOUND_PCI_INT)
  /*
  *******************************************************************************
  **  Outbound Interrupt Mask Register - OIMR
  *******************************************************************************
  */
  #define     ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG                   0x34
  #define     ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE                    0x10
  #define     ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE              0x08
  #define     ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE               0x04
  #define     ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE               0x02
  #define     ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE               0x01
  #define     ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE                    0x1F
  
  extern void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *);
  extern void arcmsr_iop_message_read(struct AdapterControlBlock *);
  extern struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
  extern struct device_attribute *arcmsr_host_attrs[];
  extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
  void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);