cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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arcmsr.h (43924B)


      1/*
      2*******************************************************************************
      3**        O.S   : Linux
      4**   FILE NAME  : arcmsr.h
      5**        BY    : Nick Cheng
      6**   Description: SCSI RAID Device Driver for
      7**                ARECA RAID Host adapter
      8*******************************************************************************
      9** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved.
     10**
     11**     Web site: www.areca.com.tw
     12**       E-mail: support@areca.com.tw
     13**
     14** This program is free software; you can redistribute it and/or modify
     15** it under the terms of the GNU General Public License version 2 as
     16** published by the Free Software Foundation.
     17** This program is distributed in the hope that it will be useful,
     18** but WITHOUT ANY WARRANTY; without even the implied warranty of
     19** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     20** GNU General Public License for more details.
     21*******************************************************************************
     22** Redistribution and use in source and binary forms, with or without
     23** modification, are permitted provided that the following conditions
     24** are met:
     25** 1. Redistributions of source code must retain the above copyright
     26**    notice, this list of conditions and the following disclaimer.
     27** 2. Redistributions in binary form must reproduce the above copyright
     28**    notice, this list of conditions and the following disclaimer in the
     29**    documentation and/or other materials provided with the distribution.
     30** 3. The name of the author may not be used to endorse or promote products
     31**    derived from this software without specific prior written permission.
     32**
     33** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     34** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     35** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     36** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     37** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES(INCLUDING, BUT
     38** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     39** DATA, OR PROFITS; OR BUSINESS INTERRUPTION)HOWEVER CAUSED AND ON ANY
     40** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     41**(INCLUDING NEGLIGENCE OR OTHERWISE)ARISING IN ANY WAY OUT OF THE USE OF
     42** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     43*******************************************************************************
     44*/
     45#include <linux/interrupt.h>
     46struct device_attribute;
     47/*The limit of outstanding scsi command that firmware can handle*/
     48#define ARCMSR_MAX_FREECCB_NUM		1024
     49#define ARCMSR_MAX_OUTSTANDING_CMD	1024
     50#define ARCMSR_DEFAULT_OUTSTANDING_CMD	128
     51#define ARCMSR_MIN_OUTSTANDING_CMD	32
     52#define ARCMSR_DRIVER_VERSION		"v1.50.00.05-20210429"
     53#define ARCMSR_SCSI_INITIATOR_ID	255
     54#define ARCMSR_MAX_XFER_SECTORS		512
     55#define ARCMSR_MAX_XFER_SECTORS_B	4096
     56#define ARCMSR_MAX_XFER_SECTORS_C	304
     57#define ARCMSR_MAX_TARGETID		17
     58#define ARCMSR_MAX_TARGETLUN		8
     59#define ARCMSR_MAX_CMD_PERLUN		128
     60#define ARCMSR_DEFAULT_CMD_PERLUN	32
     61#define ARCMSR_MIN_CMD_PERLUN		1
     62#define ARCMSR_MAX_QBUFFER		4096
     63#define ARCMSR_DEFAULT_SG_ENTRIES	38
     64#define ARCMSR_MAX_HBB_POSTQUEUE	264
     65#define ARCMSR_MAX_ARC1214_POSTQUEUE	256
     66#define ARCMSR_MAX_ARC1214_DONEQUEUE	257
     67#define ARCMSR_MAX_HBE_DONEQUEUE	512
     68#define ARCMSR_MAX_XFER_LEN		0x26000 /* 152K */
     69#define ARCMSR_CDB_SG_PAGE_LENGTH	256
     70#define ARCMST_NUM_MSIX_VECTORS		4
     71#ifndef PCI_DEVICE_ID_ARECA_1880
     72#define PCI_DEVICE_ID_ARECA_1880	0x1880
     73#endif
     74#ifndef PCI_DEVICE_ID_ARECA_1214
     75#define PCI_DEVICE_ID_ARECA_1214	0x1214
     76#endif
     77#ifndef PCI_DEVICE_ID_ARECA_1203
     78#define PCI_DEVICE_ID_ARECA_1203	0x1203
     79#endif
     80#ifndef PCI_DEVICE_ID_ARECA_1884
     81#define PCI_DEVICE_ID_ARECA_1884	0x1884
     82#endif
     83#define PCI_DEVICE_ID_ARECA_1886	0x188A
     84#define	ARCMSR_HOURS			(1000 * 60 * 60 * 4)
     85#define	ARCMSR_MINUTES			(1000 * 60 * 60)
     86#define ARCMSR_DEFAULT_TIMEOUT		90
     87/*
     88**********************************************************************************
     89**
     90**********************************************************************************
     91*/
     92#define ARC_SUCCESS	0
     93#define ARC_FAILURE	1
     94/*
     95*******************************************************************************
     96**        split 64bits dma addressing
     97*******************************************************************************
     98*/
     99#define dma_addr_hi32(addr)	(uint32_t) ((addr>>16)>>16)
    100#define dma_addr_lo32(addr)	(uint32_t) (addr & 0xffffffff)
    101/*
    102*******************************************************************************
    103**        MESSAGE CONTROL CODE
    104*******************************************************************************
    105*/
    106struct CMD_MESSAGE
    107{
    108      uint32_t HeaderLength;
    109      uint8_t  Signature[8];
    110      uint32_t Timeout;
    111      uint32_t ControlCode;
    112      uint32_t ReturnCode;
    113      uint32_t Length;
    114};
    115/*
    116*******************************************************************************
    117**        IOP Message Transfer Data for user space
    118*******************************************************************************
    119*/
    120#define	ARCMSR_API_DATA_BUFLEN	1032
    121struct CMD_MESSAGE_FIELD
    122{
    123    struct CMD_MESSAGE			cmdmessage;
    124    uint8_t				messagedatabuffer[ARCMSR_API_DATA_BUFLEN];
    125};
    126/* IOP message transfer */
    127#define ARCMSR_MESSAGE_FAIL			0x0001
    128/* DeviceType */
    129#define ARECA_SATA_RAID				0x90000000
    130/* FunctionCode */
    131#define FUNCTION_READ_RQBUFFER			0x0801
    132#define FUNCTION_WRITE_WQBUFFER			0x0802
    133#define FUNCTION_CLEAR_RQBUFFER			0x0803
    134#define FUNCTION_CLEAR_WQBUFFER			0x0804
    135#define FUNCTION_CLEAR_ALLQBUFFER		0x0805
    136#define FUNCTION_RETURN_CODE_3F			0x0806
    137#define FUNCTION_SAY_HELLO			0x0807
    138#define FUNCTION_SAY_GOODBYE			0x0808
    139#define FUNCTION_FLUSH_ADAPTER_CACHE		0x0809
    140#define FUNCTION_GET_FIRMWARE_STATUS		0x080A
    141#define FUNCTION_HARDWARE_RESET			0x080B
    142/* ARECA IO CONTROL CODE*/
    143#define ARCMSR_MESSAGE_READ_RQBUFFER       \
    144	ARECA_SATA_RAID | FUNCTION_READ_RQBUFFER
    145#define ARCMSR_MESSAGE_WRITE_WQBUFFER      \
    146	ARECA_SATA_RAID | FUNCTION_WRITE_WQBUFFER
    147#define ARCMSR_MESSAGE_CLEAR_RQBUFFER      \
    148	ARECA_SATA_RAID | FUNCTION_CLEAR_RQBUFFER
    149#define ARCMSR_MESSAGE_CLEAR_WQBUFFER      \
    150	ARECA_SATA_RAID | FUNCTION_CLEAR_WQBUFFER
    151#define ARCMSR_MESSAGE_CLEAR_ALLQBUFFER    \
    152	ARECA_SATA_RAID | FUNCTION_CLEAR_ALLQBUFFER
    153#define ARCMSR_MESSAGE_RETURN_CODE_3F      \
    154	ARECA_SATA_RAID | FUNCTION_RETURN_CODE_3F
    155#define ARCMSR_MESSAGE_SAY_HELLO           \
    156	ARECA_SATA_RAID | FUNCTION_SAY_HELLO
    157#define ARCMSR_MESSAGE_SAY_GOODBYE         \
    158	ARECA_SATA_RAID | FUNCTION_SAY_GOODBYE
    159#define ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE \
    160	ARECA_SATA_RAID | FUNCTION_FLUSH_ADAPTER_CACHE
    161/* ARECA IOCTL ReturnCode */
    162#define ARCMSR_MESSAGE_RETURNCODE_OK		0x00000001
    163#define ARCMSR_MESSAGE_RETURNCODE_ERROR		0x00000006
    164#define ARCMSR_MESSAGE_RETURNCODE_3F		0x0000003F
    165#define ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON	0x00000088
    166/*
    167*************************************************************
    168**   structure for holding DMA address data
    169*************************************************************
    170*/
    171#define IS_DMA64	(sizeof(dma_addr_t) == 8)
    172#define IS_SG64_ADDR	0x01000000 /* bit24 */
    173struct  SG32ENTRY
    174{
    175	__le32		length;
    176	__le32		address;
    177}__attribute__ ((packed));
    178struct  SG64ENTRY
    179{
    180	__le32		length;
    181	__le32		address;
    182	__le32		addresshigh;
    183}__attribute__ ((packed));
    184/*
    185********************************************************************
    186**      Q Buffer of IOP Message Transfer
    187********************************************************************
    188*/
    189struct QBUFFER
    190{
    191	uint32_t      data_len;
    192	uint8_t       data[124];
    193};
    194/*
    195*******************************************************************************
    196**      FIRMWARE INFO for Intel IOP R 80331 processor (Type A)
    197*******************************************************************************
    198*/
    199struct FIRMWARE_INFO
    200{
    201	uint32_t	signature;		/*0, 00-03*/
    202	uint32_t	request_len;		/*1, 04-07*/
    203	uint32_t	numbers_queue;		/*2, 08-11*/
    204	uint32_t	sdram_size;		/*3, 12-15*/
    205	uint32_t	ide_channels;		/*4, 16-19*/
    206	char		vendor[40];		/*5, 20-59*/
    207	char		model[8];		/*15, 60-67*/
    208	char		firmware_ver[16];     	/*17, 68-83*/
    209	char		device_map[16];		/*21, 84-99*/
    210	uint32_t	cfgVersion;		/*25,100-103 Added for checking of new firmware capability*/
    211	uint8_t		cfgSerial[16];		/*26,104-119*/
    212	uint32_t	cfgPicStatus;		/*30,120-123*/
    213};
    214/* signature of set and get firmware config */
    215#define ARCMSR_SIGNATURE_GET_CONFIG		0x87974060
    216#define ARCMSR_SIGNATURE_SET_CONFIG		0x87974063
    217/* message code of inbound message register */
    218#define ARCMSR_INBOUND_MESG0_NOP		0x00000000
    219#define ARCMSR_INBOUND_MESG0_GET_CONFIG		0x00000001
    220#define ARCMSR_INBOUND_MESG0_SET_CONFIG		0x00000002
    221#define ARCMSR_INBOUND_MESG0_ABORT_CMD		0x00000003
    222#define ARCMSR_INBOUND_MESG0_STOP_BGRB		0x00000004
    223#define ARCMSR_INBOUND_MESG0_FLUSH_CACHE	0x00000005
    224#define ARCMSR_INBOUND_MESG0_START_BGRB		0x00000006
    225#define ARCMSR_INBOUND_MESG0_CHK331PENDING	0x00000007
    226#define ARCMSR_INBOUND_MESG0_SYNC_TIMER		0x00000008
    227/* doorbell interrupt generator */
    228#define ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK	0x00000001
    229#define ARCMSR_INBOUND_DRIVER_DATA_READ_OK	0x00000002
    230#define ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK	0x00000001
    231#define ARCMSR_OUTBOUND_IOP331_DATA_READ_OK	0x00000002
    232/* ccb areca cdb flag */
    233#define ARCMSR_CCBPOST_FLAG_SGL_BSIZE		0x80000000
    234#define ARCMSR_CCBPOST_FLAG_IAM_BIOS		0x40000000
    235#define ARCMSR_CCBREPLY_FLAG_IAM_BIOS		0x40000000
    236#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE0	0x10000000
    237#define ARCMSR_CCBREPLY_FLAG_ERROR_MODE1	0x00000001
    238/* outbound firmware ok */
    239#define ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK	0x80000000
    240/* ARC-1680 Bus Reset*/
    241#define ARCMSR_ARC1680_BUS_RESET		0x00000003
    242/* ARC-1880 Bus Reset*/
    243#define ARCMSR_ARC1880_RESET_ADAPTER		0x00000024
    244#define ARCMSR_ARC1880_DiagWrite_ENABLE		0x00000080
    245
    246/*
    247************************************************************************
    248**                SPEC. for Areca Type B adapter
    249************************************************************************
    250*/
    251/* ARECA HBB COMMAND for its FIRMWARE */
    252/* window of "instruction flags" from driver to iop */
    253#define ARCMSR_DRV2IOP_DOORBELL                       0x00020400
    254#define ARCMSR_DRV2IOP_DOORBELL_MASK                  0x00020404
    255/* window of "instruction flags" from iop to driver */
    256#define ARCMSR_IOP2DRV_DOORBELL                       0x00020408
    257#define ARCMSR_IOP2DRV_DOORBELL_MASK                  0x0002040C
    258/* window of "instruction flags" from iop to driver */
    259#define ARCMSR_IOP2DRV_DOORBELL_1203                  0x00021870
    260#define ARCMSR_IOP2DRV_DOORBELL_MASK_1203             0x00021874
    261/* window of "instruction flags" from driver to iop */
    262#define ARCMSR_DRV2IOP_DOORBELL_1203                  0x00021878
    263#define ARCMSR_DRV2IOP_DOORBELL_MASK_1203             0x0002187C
    264/* ARECA FLAG LANGUAGE */
    265/* ioctl transfer */
    266#define ARCMSR_IOP2DRV_DATA_WRITE_OK                  0x00000001
    267/* ioctl transfer */
    268#define ARCMSR_IOP2DRV_DATA_READ_OK                   0x00000002
    269#define ARCMSR_IOP2DRV_CDB_DONE                       0x00000004
    270#define ARCMSR_IOP2DRV_MESSAGE_CMD_DONE               0x00000008
    271
    272#define ARCMSR_DOORBELL_HANDLE_INT		      0x0000000F
    273#define ARCMSR_DOORBELL_INT_CLEAR_PATTERN   	      0xFF00FFF0
    274#define ARCMSR_MESSAGE_INT_CLEAR_PATTERN	      0xFF00FFF7
    275/* (ARCMSR_INBOUND_MESG0_GET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
    276#define ARCMSR_MESSAGE_GET_CONFIG		      0x00010008
    277/* (ARCMSR_INBOUND_MESG0_SET_CONFIG<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
    278#define ARCMSR_MESSAGE_SET_CONFIG		      0x00020008
    279/* (ARCMSR_INBOUND_MESG0_ABORT_CMD<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
    280#define ARCMSR_MESSAGE_ABORT_CMD		      0x00030008
    281/* (ARCMSR_INBOUND_MESG0_STOP_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
    282#define ARCMSR_MESSAGE_STOP_BGRB		      0x00040008
    283/* (ARCMSR_INBOUND_MESG0_FLUSH_CACHE<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
    284#define ARCMSR_MESSAGE_FLUSH_CACHE                    0x00050008
    285/* (ARCMSR_INBOUND_MESG0_START_BGRB<<16)|ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED) */
    286#define ARCMSR_MESSAGE_START_BGRB		      0x00060008
    287#define ARCMSR_MESSAGE_SYNC_TIMER		      0x00080008
    288#define ARCMSR_MESSAGE_START_DRIVER_MODE	      0x000E0008
    289#define ARCMSR_MESSAGE_SET_POST_WINDOW		      0x000F0008
    290#define ARCMSR_MESSAGE_ACTIVE_EOI_MODE		      0x00100008
    291/* ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK */
    292#define ARCMSR_MESSAGE_FIRMWARE_OK		      0x80000000
    293/* ioctl transfer */
    294#define ARCMSR_DRV2IOP_DATA_WRITE_OK                  0x00000001
    295/* ioctl transfer */
    296#define ARCMSR_DRV2IOP_DATA_READ_OK                   0x00000002
    297#define ARCMSR_DRV2IOP_CDB_POSTED                     0x00000004
    298#define ARCMSR_DRV2IOP_MESSAGE_CMD_POSTED             0x00000008
    299#define ARCMSR_DRV2IOP_END_OF_INTERRUPT	              0x00000010
    300
    301/* data tunnel buffer between user space program and its firmware */
    302/* user space data to iop 128bytes */
    303#define ARCMSR_MESSAGE_WBUFFER			      0x0000fe00
    304/* iop data to user space 128bytes */
    305#define ARCMSR_MESSAGE_RBUFFER			      0x0000ff00
    306/* iop message_rwbuffer for message command */
    307#define ARCMSR_MESSAGE_RWBUFFER			      0x0000fa00
    308
    309#define MEM_BASE0(x)	(u32 __iomem *)((unsigned long)acb->mem_base0 + x)
    310#define MEM_BASE1(x)	(u32 __iomem *)((unsigned long)acb->mem_base1 + x)
    311/* 
    312************************************************************************
    313**                SPEC. for Areca HBC adapter
    314************************************************************************
    315*/
    316#define ARCMSR_HBC_ISR_THROTTLING_LEVEL		12
    317#define ARCMSR_HBC_ISR_MAX_DONE_QUEUE		20
    318/* Host Interrupt Mask */
    319#define ARCMSR_HBCMU_UTILITY_A_ISR_MASK		0x00000001 /* When clear, the Utility_A interrupt routes to the host.*/
    320#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK	0x00000004 /* When clear, the General Outbound Doorbell interrupt routes to the host.*/
    321#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK	0x00000008 /* When clear, the Outbound Post List FIFO Not Empty interrupt routes to the host.*/
    322#define ARCMSR_HBCMU_ALL_INTMASKENABLE		0x0000000D /* disable all ISR */
    323/* Host Interrupt Status */
    324#define ARCMSR_HBCMU_UTILITY_A_ISR		0x00000001
    325	/*
    326	** Set when the Utility_A Interrupt bit is set in the Outbound Doorbell Register.
    327	** It clears by writing a 1 to the Utility_A bit in the Outbound Doorbell Clear Register or through automatic clearing (if enabled).
    328	*/
    329#define ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR	0x00000004
    330	/*
    331	** Set if Outbound Doorbell register bits 30:1 have a non-zero
    332	** value. This bit clears only when Outbound Doorbell bits
    333	** 30:1 are ALL clear. Only a write to the Outbound Doorbell
    334	** Clear register clears bits in the Outbound Doorbell register.
    335	*/
    336#define ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR	0x00000008
    337	/*
    338	** Set whenever the Outbound Post List Producer/Consumer
    339	** Register (FIFO) is not empty. It clears when the Outbound
    340	** Post List FIFO is empty.
    341	*/
    342#define ARCMSR_HBCMU_SAS_ALL_INT		0x00000010
    343	/*
    344	** This bit indicates a SAS interrupt from a source external to
    345	** the PCIe core. This bit is not maskable.
    346	*/
    347	/* DoorBell*/
    348#define ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK			0x00000002
    349#define ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK			0x00000004
    350	/*inbound message 0 ready*/
    351#define ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE			0x00000008
    352	/*more than 12 request completed in a time*/
    353#define ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING		0x00000010
    354#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK			0x00000002
    355	/*outbound DATA WRITE isr door bell clear*/
    356#define ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_DOORBELL_CLEAR		0x00000002
    357#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK			0x00000004
    358	/*outbound DATA READ isr door bell clear*/
    359#define ARCMSR_HBCMU_IOP2DRV_DATA_READ_DOORBELL_CLEAR		0x00000004
    360	/*outbound message 0 ready*/
    361#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE			0x00000008
    362	/*outbound message cmd isr door bell clear*/
    363#define ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR	0x00000008
    364	/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
    365#define ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK			0x80000000
    366/*
    367*******************************************************************************
    368**                SPEC. for Areca Type D adapter
    369*******************************************************************************
    370*/
    371#define ARCMSR_ARC1214_CHIP_ID				0x00004
    372#define ARCMSR_ARC1214_CPU_MEMORY_CONFIGURATION		0x00008
    373#define ARCMSR_ARC1214_I2_HOST_INTERRUPT_MASK		0x00034
    374#define ARCMSR_ARC1214_SAMPLE_RESET			0x00100
    375#define ARCMSR_ARC1214_RESET_REQUEST			0x00108
    376#define ARCMSR_ARC1214_MAIN_INTERRUPT_STATUS		0x00200
    377#define ARCMSR_ARC1214_PCIE_F0_INTERRUPT_ENABLE		0x0020C
    378#define ARCMSR_ARC1214_INBOUND_MESSAGE0			0x00400
    379#define ARCMSR_ARC1214_INBOUND_MESSAGE1			0x00404
    380#define ARCMSR_ARC1214_OUTBOUND_MESSAGE0		0x00420
    381#define ARCMSR_ARC1214_OUTBOUND_MESSAGE1		0x00424
    382#define ARCMSR_ARC1214_INBOUND_DOORBELL			0x00460
    383#define ARCMSR_ARC1214_OUTBOUND_DOORBELL		0x00480
    384#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ENABLE		0x00484
    385#define ARCMSR_ARC1214_INBOUND_LIST_BASE_LOW		0x01000
    386#define ARCMSR_ARC1214_INBOUND_LIST_BASE_HIGH		0x01004
    387#define ARCMSR_ARC1214_INBOUND_LIST_WRITE_POINTER	0x01018
    388#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_LOW		0x01060
    389#define ARCMSR_ARC1214_OUTBOUND_LIST_BASE_HIGH		0x01064
    390#define ARCMSR_ARC1214_OUTBOUND_LIST_COPY_POINTER	0x0106C
    391#define ARCMSR_ARC1214_OUTBOUND_LIST_READ_POINTER	0x01070
    392#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_CAUSE		0x01088
    393#define ARCMSR_ARC1214_OUTBOUND_INTERRUPT_ENABLE	0x0108C
    394#define ARCMSR_ARC1214_MESSAGE_WBUFFER			0x02000
    395#define ARCMSR_ARC1214_MESSAGE_RBUFFER			0x02100
    396#define ARCMSR_ARC1214_MESSAGE_RWBUFFER			0x02200
    397/* Host Interrupt Mask */
    398#define ARCMSR_ARC1214_ALL_INT_ENABLE			0x00001010
    399#define ARCMSR_ARC1214_ALL_INT_DISABLE			0x00000000
    400/* Host Interrupt Status */
    401#define ARCMSR_ARC1214_OUTBOUND_DOORBELL_ISR		0x00001000
    402#define ARCMSR_ARC1214_OUTBOUND_POSTQUEUE_ISR		0x00000010
    403/* DoorBell*/
    404#define ARCMSR_ARC1214_DRV2IOP_DATA_IN_READY		0x00000001
    405#define ARCMSR_ARC1214_DRV2IOP_DATA_OUT_READ		0x00000002
    406/*inbound message 0 ready*/
    407#define ARCMSR_ARC1214_IOP2DRV_DATA_WRITE_OK		0x00000001
    408/*outbound DATA WRITE isr door bell clear*/
    409#define ARCMSR_ARC1214_IOP2DRV_DATA_READ_OK		0x00000002
    410/*outbound message 0 ready*/
    411#define ARCMSR_ARC1214_IOP2DRV_MESSAGE_CMD_DONE		0x02000000
    412/*outbound message cmd isr door bell clear*/
    413/*ARCMSR_HBAMU_MESSAGE_FIRMWARE_OK*/
    414#define ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK		0x80000000
    415#define ARCMSR_ARC1214_OUTBOUND_LIST_INTERRUPT_CLEAR	0x00000001
    416/*
    417*******************************************************************************
    418**                SPEC. for Areca Type E adapter
    419*******************************************************************************
    420*/
    421#define ARCMSR_SIGNATURE_1884			0x188417D3
    422
    423#define ARCMSR_HBEMU_DRV2IOP_DATA_WRITE_OK	0x00000002
    424#define ARCMSR_HBEMU_DRV2IOP_DATA_READ_OK	0x00000004
    425#define ARCMSR_HBEMU_DRV2IOP_MESSAGE_CMD_DONE	0x00000008
    426
    427#define ARCMSR_HBEMU_IOP2DRV_DATA_WRITE_OK	0x00000002
    428#define ARCMSR_HBEMU_IOP2DRV_DATA_READ_OK	0x00000004
    429#define ARCMSR_HBEMU_IOP2DRV_MESSAGE_CMD_DONE	0x00000008
    430
    431#define ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK	0x80000000
    432
    433#define ARCMSR_HBEMU_OUTBOUND_DOORBELL_ISR	0x00000001
    434#define ARCMSR_HBEMU_OUTBOUND_POSTQUEUE_ISR	0x00000008
    435#define ARCMSR_HBEMU_ALL_INTMASKENABLE		0x00000009
    436
    437/* ARC-1884 doorbell sync */
    438#define ARCMSR_HBEMU_DOORBELL_SYNC		0x100
    439#define ARCMSR_ARC188X_RESET_ADAPTER		0x00000004
    440#define ARCMSR_ARC1884_DiagWrite_ENABLE		0x00000080
    441
    442/*
    443*******************************************************************************
    444**                SPEC. for Areca Type F adapter
    445*******************************************************************************
    446*/
    447#define ARCMSR_SIGNATURE_1886			0x188617D3
    448// Doorbell and interrupt definition are same as Type E adapter
    449/* ARC-1886 doorbell sync */
    450#define ARCMSR_HBFMU_DOORBELL_SYNC		0x100
    451//set host rw buffer physical address at inbound message 0, 1 (low,high)
    452#define ARCMSR_HBFMU_DOORBELL_SYNC1		0x300
    453#define ARCMSR_HBFMU_MESSAGE_FIRMWARE_OK	0x80000000
    454#define ARCMSR_HBFMU_MESSAGE_NO_VOLUME_CHANGE	0x20000000
    455
    456/*
    457*******************************************************************************
    458**    ARECA SCSI COMMAND DESCRIPTOR BLOCK size 0x1F8 (504)
    459*******************************************************************************
    460*/
    461struct ARCMSR_CDB
    462{
    463	uint8_t		Bus;
    464	uint8_t		TargetID;
    465	uint8_t		LUN;
    466	uint8_t		Function;
    467	uint8_t		CdbLength;
    468	uint8_t		sgcount;
    469	uint8_t		Flags;
    470#define ARCMSR_CDB_FLAG_SGL_BSIZE          0x01
    471#define ARCMSR_CDB_FLAG_BIOS               0x02
    472#define ARCMSR_CDB_FLAG_WRITE              0x04
    473#define ARCMSR_CDB_FLAG_SIMPLEQ            0x00
    474#define ARCMSR_CDB_FLAG_HEADQ              0x08
    475#define ARCMSR_CDB_FLAG_ORDEREDQ           0x10
    476
    477	uint8_t		msgPages;
    478	uint32_t	msgContext;
    479	uint32_t	DataLength;
    480	uint8_t		Cdb[16];
    481	uint8_t		DeviceStatus;
    482#define ARCMSR_DEV_CHECK_CONDITION	    0x02
    483#define ARCMSR_DEV_SELECT_TIMEOUT	    0xF0
    484#define ARCMSR_DEV_ABORTED		    0xF1
    485#define ARCMSR_DEV_INIT_FAIL		    0xF2
    486
    487	uint8_t		SenseData[15];
    488	union
    489	{
    490		struct SG32ENTRY	sg32entry[1];
    491		struct SG64ENTRY	sg64entry[1];
    492	} u;
    493};
    494/*
    495*******************************************************************************
    496**     Messaging Unit (MU) of the Intel R 80331 I/O processor(Type A) and Type B processor
    497*******************************************************************************
    498*/
    499struct MessageUnit_A
    500{
    501	uint32_t	resrved0[4];			/*0000 000F*/
    502	uint32_t	inbound_msgaddr0;		/*0010 0013*/
    503	uint32_t	inbound_msgaddr1;		/*0014 0017*/
    504	uint32_t	outbound_msgaddr0;		/*0018 001B*/
    505	uint32_t	outbound_msgaddr1;		/*001C 001F*/
    506	uint32_t	inbound_doorbell;		/*0020 0023*/
    507	uint32_t	inbound_intstatus;		/*0024 0027*/
    508	uint32_t	inbound_intmask;		/*0028 002B*/
    509	uint32_t	outbound_doorbell;		/*002C 002F*/
    510	uint32_t	outbound_intstatus;		/*0030 0033*/
    511	uint32_t	outbound_intmask;		/*0034 0037*/
    512	uint32_t	reserved1[2];			/*0038 003F*/
    513	uint32_t	inbound_queueport;		/*0040 0043*/
    514	uint32_t	outbound_queueport;     	/*0044 0047*/
    515	uint32_t	reserved2[2];			/*0048 004F*/
    516	uint32_t	reserved3[492];			/*0050 07FF 492*/
    517	uint32_t	reserved4[128];			/*0800 09FF 128*/
    518	uint32_t	message_rwbuffer[256];		/*0a00 0DFF 256*/
    519	uint32_t	message_wbuffer[32];		/*0E00 0E7F  32*/
    520	uint32_t	reserved5[32];			/*0E80 0EFF  32*/
    521	uint32_t	message_rbuffer[32];		/*0F00 0F7F  32*/
    522	uint32_t	reserved6[32];			/*0F80 0FFF  32*/
    523};
    524
    525struct MessageUnit_B
    526{
    527	uint32_t	post_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
    528	uint32_t	done_qbuffer[ARCMSR_MAX_HBB_POSTQUEUE];
    529	uint32_t	postq_index;
    530	uint32_t	doneq_index;
    531	uint32_t	__iomem *drv2iop_doorbell;
    532	uint32_t	__iomem *drv2iop_doorbell_mask;
    533	uint32_t	__iomem *iop2drv_doorbell;
    534	uint32_t	__iomem *iop2drv_doorbell_mask;
    535	uint32_t	__iomem *message_rwbuffer;
    536	uint32_t	__iomem *message_wbuffer;
    537	uint32_t	__iomem *message_rbuffer;
    538};
    539/*
    540*********************************************************************
    541** LSI
    542*********************************************************************
    543*/
    544struct MessageUnit_C{
    545	uint32_t	message_unit_status;			/*0000 0003*/
    546	uint32_t	slave_error_attribute;			/*0004 0007*/
    547	uint32_t	slave_error_address;			/*0008 000B*/
    548	uint32_t	posted_outbound_doorbell;		/*000C 000F*/
    549	uint32_t	master_error_attribute;			/*0010 0013*/
    550	uint32_t	master_error_address_low;		/*0014 0017*/
    551	uint32_t	master_error_address_high;		/*0018 001B*/
    552	uint32_t	hcb_size;				/*001C 001F*/
    553	uint32_t	inbound_doorbell;			/*0020 0023*/
    554	uint32_t	diagnostic_rw_data;			/*0024 0027*/
    555	uint32_t	diagnostic_rw_address_low;		/*0028 002B*/
    556	uint32_t	diagnostic_rw_address_high;		/*002C 002F*/
    557	uint32_t	host_int_status;			/*0030 0033*/
    558	uint32_t	host_int_mask;				/*0034 0037*/
    559	uint32_t	dcr_data;				/*0038 003B*/
    560	uint32_t	dcr_address;				/*003C 003F*/
    561	uint32_t	inbound_queueport;			/*0040 0043*/
    562	uint32_t	outbound_queueport;			/*0044 0047*/
    563	uint32_t	hcb_pci_address_low;			/*0048 004B*/
    564	uint32_t	hcb_pci_address_high;			/*004C 004F*/
    565	uint32_t	iop_int_status;				/*0050 0053*/
    566	uint32_t	iop_int_mask;				/*0054 0057*/
    567	uint32_t	iop_inbound_queue_port;			/*0058 005B*/
    568	uint32_t	iop_outbound_queue_port;		/*005C 005F*/
    569	uint32_t	inbound_free_list_index;		/*0060 0063*/
    570	uint32_t	inbound_post_list_index;		/*0064 0067*/
    571	uint32_t	outbound_free_list_index;		/*0068 006B*/
    572	uint32_t	outbound_post_list_index;		/*006C 006F*/
    573	uint32_t	inbound_doorbell_clear;			/*0070 0073*/
    574	uint32_t	i2o_message_unit_control;		/*0074 0077*/
    575	uint32_t	last_used_message_source_address_low;	/*0078 007B*/
    576	uint32_t	last_used_message_source_address_high;	/*007C 007F*/
    577	uint32_t	pull_mode_data_byte_count[4];		/*0080 008F*/
    578	uint32_t	message_dest_address_index;		/*0090 0093*/
    579	uint32_t	done_queue_not_empty_int_counter_timer;	/*0094 0097*/
    580	uint32_t	utility_A_int_counter_timer;		/*0098 009B*/
    581	uint32_t	outbound_doorbell;			/*009C 009F*/
    582	uint32_t	outbound_doorbell_clear;		/*00A0 00A3*/
    583	uint32_t	message_source_address_index;		/*00A4 00A7*/
    584	uint32_t	message_done_queue_index;		/*00A8 00AB*/
    585	uint32_t	reserved0;				/*00AC 00AF*/
    586	uint32_t	inbound_msgaddr0;			/*00B0 00B3*/
    587	uint32_t	inbound_msgaddr1;			/*00B4 00B7*/
    588	uint32_t	outbound_msgaddr0;			/*00B8 00BB*/
    589	uint32_t	outbound_msgaddr1;			/*00BC 00BF*/
    590	uint32_t	inbound_queueport_low;			/*00C0 00C3*/
    591	uint32_t	inbound_queueport_high;			/*00C4 00C7*/
    592	uint32_t	outbound_queueport_low;			/*00C8 00CB*/
    593	uint32_t	outbound_queueport_high;		/*00CC 00CF*/
    594	uint32_t	iop_inbound_queue_port_low;		/*00D0 00D3*/
    595	uint32_t	iop_inbound_queue_port_high;		/*00D4 00D7*/
    596	uint32_t	iop_outbound_queue_port_low;		/*00D8 00DB*/
    597	uint32_t	iop_outbound_queue_port_high;		/*00DC 00DF*/
    598	uint32_t	message_dest_queue_port_low;		/*00E0 00E3*/
    599	uint32_t	message_dest_queue_port_high;		/*00E4 00E7*/
    600	uint32_t	last_used_message_dest_address_low;	/*00E8 00EB*/
    601	uint32_t	last_used_message_dest_address_high;	/*00EC 00EF*/
    602	uint32_t	message_done_queue_base_address_low;	/*00F0 00F3*/
    603	uint32_t	message_done_queue_base_address_high;	/*00F4 00F7*/
    604	uint32_t	host_diagnostic;			/*00F8 00FB*/
    605	uint32_t	write_sequence;				/*00FC 00FF*/
    606	uint32_t	reserved1[34];				/*0100 0187*/
    607	uint32_t	reserved2[1950];			/*0188 1FFF*/
    608	uint32_t	message_wbuffer[32];			/*2000 207F*/
    609	uint32_t	reserved3[32];				/*2080 20FF*/
    610	uint32_t	message_rbuffer[32];			/*2100 217F*/
    611	uint32_t	reserved4[32];				/*2180 21FF*/
    612	uint32_t	msgcode_rwbuffer[256];			/*2200 23FF*/
    613};
    614/*
    615*********************************************************************
    616**     Messaging Unit (MU) of Type D processor
    617*********************************************************************
    618*/
    619struct InBound_SRB {
    620	uint32_t addressLow; /* pointer to SRB block */
    621	uint32_t addressHigh;
    622	uint32_t length; /* in DWORDs */
    623	uint32_t reserved0;
    624};
    625
    626struct OutBound_SRB {
    627	uint32_t addressLow; /* pointer to SRB block */
    628	uint32_t addressHigh;
    629};
    630
    631struct MessageUnit_D {
    632	struct InBound_SRB	post_qbuffer[ARCMSR_MAX_ARC1214_POSTQUEUE];
    633	volatile struct OutBound_SRB
    634				done_qbuffer[ARCMSR_MAX_ARC1214_DONEQUEUE];
    635	u16 postq_index;
    636	volatile u16 doneq_index;
    637	u32 __iomem *chip_id;			/* 0x00004 */
    638	u32 __iomem *cpu_mem_config;		/* 0x00008 */
    639	u32 __iomem *i2o_host_interrupt_mask;	/* 0x00034 */
    640	u32 __iomem *sample_at_reset;		/* 0x00100 */
    641	u32 __iomem *reset_request;		/* 0x00108 */
    642	u32 __iomem *host_int_status;		/* 0x00200 */
    643	u32 __iomem *pcief0_int_enable;		/* 0x0020C */
    644	u32 __iomem *inbound_msgaddr0;		/* 0x00400 */
    645	u32 __iomem *inbound_msgaddr1;		/* 0x00404 */
    646	u32 __iomem *outbound_msgaddr0;		/* 0x00420 */
    647	u32 __iomem *outbound_msgaddr1;		/* 0x00424 */
    648	u32 __iomem *inbound_doorbell;		/* 0x00460 */
    649	u32 __iomem *outbound_doorbell;		/* 0x00480 */
    650	u32 __iomem *outbound_doorbell_enable;	/* 0x00484 */
    651	u32 __iomem *inboundlist_base_low;	/* 0x01000 */
    652	u32 __iomem *inboundlist_base_high;	/* 0x01004 */
    653	u32 __iomem *inboundlist_write_pointer;	/* 0x01018 */
    654	u32 __iomem *outboundlist_base_low;	/* 0x01060 */
    655	u32 __iomem *outboundlist_base_high;	/* 0x01064 */
    656	u32 __iomem *outboundlist_copy_pointer;	/* 0x0106C */
    657	u32 __iomem *outboundlist_read_pointer;	/* 0x01070 0x01072 */
    658	u32 __iomem *outboundlist_interrupt_cause;	/* 0x1088 */
    659	u32 __iomem *outboundlist_interrupt_enable;	/* 0x108C */
    660	u32 __iomem *message_wbuffer;		/* 0x2000 */
    661	u32 __iomem *message_rbuffer;		/* 0x2100 */
    662	u32 __iomem *msgcode_rwbuffer;		/* 0x2200 */
    663};
    664/*
    665*********************************************************************
    666**     Messaging Unit (MU) of Type E processor(LSI)
    667*********************************************************************
    668*/
    669struct MessageUnit_E{
    670	uint32_t	iobound_doorbell;			/*0000 0003*/
    671	uint32_t	write_sequence_3xxx;			/*0004 0007*/
    672	uint32_t	host_diagnostic_3xxx;			/*0008 000B*/
    673	uint32_t	posted_outbound_doorbell;		/*000C 000F*/
    674	uint32_t	master_error_attribute;			/*0010 0013*/
    675	uint32_t	master_error_address_low;		/*0014 0017*/
    676	uint32_t	master_error_address_high;		/*0018 001B*/
    677	uint32_t	hcb_size;				/*001C 001F*/
    678	uint32_t	inbound_doorbell;			/*0020 0023*/
    679	uint32_t	diagnostic_rw_data;			/*0024 0027*/
    680	uint32_t	diagnostic_rw_address_low;		/*0028 002B*/
    681	uint32_t	diagnostic_rw_address_high;		/*002C 002F*/
    682	uint32_t	host_int_status;			/*0030 0033*/
    683	uint32_t	host_int_mask;				/*0034 0037*/
    684	uint32_t	dcr_data;				/*0038 003B*/
    685	uint32_t	dcr_address;				/*003C 003F*/
    686	uint32_t	inbound_queueport;			/*0040 0043*/
    687	uint32_t	outbound_queueport;			/*0044 0047*/
    688	uint32_t	hcb_pci_address_low;			/*0048 004B*/
    689	uint32_t	hcb_pci_address_high;			/*004C 004F*/
    690	uint32_t	iop_int_status;				/*0050 0053*/
    691	uint32_t	iop_int_mask;				/*0054 0057*/
    692	uint32_t	iop_inbound_queue_port;			/*0058 005B*/
    693	uint32_t	iop_outbound_queue_port;		/*005C 005F*/
    694	uint32_t	inbound_free_list_index;		/*0060 0063*/
    695	uint32_t	inbound_post_list_index;		/*0064 0067*/
    696	uint32_t	reply_post_producer_index;		/*0068 006B*/
    697	uint32_t	reply_post_consumer_index;		/*006C 006F*/
    698	uint32_t	inbound_doorbell_clear;			/*0070 0073*/
    699	uint32_t	i2o_message_unit_control;		/*0074 0077*/
    700	uint32_t	last_used_message_source_address_low;	/*0078 007B*/
    701	uint32_t	last_used_message_source_address_high;	/*007C 007F*/
    702	uint32_t	pull_mode_data_byte_count[4];		/*0080 008F*/
    703	uint32_t	message_dest_address_index;		/*0090 0093*/
    704	uint32_t	done_queue_not_empty_int_counter_timer;	/*0094 0097*/
    705	uint32_t	utility_A_int_counter_timer;		/*0098 009B*/
    706	uint32_t	outbound_doorbell;			/*009C 009F*/
    707	uint32_t	outbound_doorbell_clear;		/*00A0 00A3*/
    708	uint32_t	message_source_address_index;		/*00A4 00A7*/
    709	uint32_t	message_done_queue_index;		/*00A8 00AB*/
    710	uint32_t	reserved0;				/*00AC 00AF*/
    711	uint32_t	inbound_msgaddr0;			/*00B0 00B3*/
    712	uint32_t	inbound_msgaddr1;			/*00B4 00B7*/
    713	uint32_t	outbound_msgaddr0;			/*00B8 00BB*/
    714	uint32_t	outbound_msgaddr1;			/*00BC 00BF*/
    715	uint32_t	inbound_queueport_low;			/*00C0 00C3*/
    716	uint32_t	inbound_queueport_high;			/*00C4 00C7*/
    717	uint32_t	outbound_queueport_low;			/*00C8 00CB*/
    718	uint32_t	outbound_queueport_high;		/*00CC 00CF*/
    719	uint32_t	iop_inbound_queue_port_low;		/*00D0 00D3*/
    720	uint32_t	iop_inbound_queue_port_high;		/*00D4 00D7*/
    721	uint32_t	iop_outbound_queue_port_low;		/*00D8 00DB*/
    722	uint32_t	iop_outbound_queue_port_high;		/*00DC 00DF*/
    723	uint32_t	message_dest_queue_port_low;		/*00E0 00E3*/
    724	uint32_t	message_dest_queue_port_high;		/*00E4 00E7*/
    725	uint32_t	last_used_message_dest_address_low;	/*00E8 00EB*/
    726	uint32_t	last_used_message_dest_address_high;	/*00EC 00EF*/
    727	uint32_t	message_done_queue_base_address_low;	/*00F0 00F3*/
    728	uint32_t	message_done_queue_base_address_high;	/*00F4 00F7*/
    729	uint32_t	host_diagnostic;			/*00F8 00FB*/
    730	uint32_t	write_sequence;				/*00FC 00FF*/
    731	uint32_t	reserved1[34];				/*0100 0187*/
    732	uint32_t	reserved2[1950];			/*0188 1FFF*/
    733	uint32_t	message_wbuffer[32];			/*2000 207F*/
    734	uint32_t	reserved3[32];				/*2080 20FF*/
    735	uint32_t	message_rbuffer[32];			/*2100 217F*/
    736	uint32_t	reserved4[32];				/*2180 21FF*/
    737	uint32_t	msgcode_rwbuffer[256];			/*2200 23FF*/
    738};
    739
    740/*
    741*********************************************************************
    742**     Messaging Unit (MU) of Type F processor(LSI)
    743*********************************************************************
    744*/
    745struct MessageUnit_F {
    746	uint32_t	iobound_doorbell;			/*0000 0003*/
    747	uint32_t	write_sequence_3xxx;			/*0004 0007*/
    748	uint32_t	host_diagnostic_3xxx;			/*0008 000B*/
    749	uint32_t	posted_outbound_doorbell;		/*000C 000F*/
    750	uint32_t	master_error_attribute;			/*0010 0013*/
    751	uint32_t	master_error_address_low;		/*0014 0017*/
    752	uint32_t	master_error_address_high;		/*0018 001B*/
    753	uint32_t	hcb_size;				/*001C 001F*/
    754	uint32_t	inbound_doorbell;			/*0020 0023*/
    755	uint32_t	diagnostic_rw_data;			/*0024 0027*/
    756	uint32_t	diagnostic_rw_address_low;		/*0028 002B*/
    757	uint32_t	diagnostic_rw_address_high;		/*002C 002F*/
    758	uint32_t	host_int_status;			/*0030 0033*/
    759	uint32_t	host_int_mask;				/*0034 0037*/
    760	uint32_t	dcr_data;				/*0038 003B*/
    761	uint32_t	dcr_address;				/*003C 003F*/
    762	uint32_t	inbound_queueport;			/*0040 0043*/
    763	uint32_t	outbound_queueport;			/*0044 0047*/
    764	uint32_t	hcb_pci_address_low;			/*0048 004B*/
    765	uint32_t	hcb_pci_address_high;			/*004C 004F*/
    766	uint32_t	iop_int_status;				/*0050 0053*/
    767	uint32_t	iop_int_mask;				/*0054 0057*/
    768	uint32_t	iop_inbound_queue_port;			/*0058 005B*/
    769	uint32_t	iop_outbound_queue_port;		/*005C 005F*/
    770	uint32_t	inbound_free_list_index;		/*0060 0063*/
    771	uint32_t	inbound_post_list_index;		/*0064 0067*/
    772	uint32_t	reply_post_producer_index;		/*0068 006B*/
    773	uint32_t	reply_post_consumer_index;		/*006C 006F*/
    774	uint32_t	inbound_doorbell_clear;			/*0070 0073*/
    775	uint32_t	i2o_message_unit_control;		/*0074 0077*/
    776	uint32_t	last_used_message_source_address_low;	/*0078 007B*/
    777	uint32_t	last_used_message_source_address_high;	/*007C 007F*/
    778	uint32_t	pull_mode_data_byte_count[4];		/*0080 008F*/
    779	uint32_t	message_dest_address_index;		/*0090 0093*/
    780	uint32_t	done_queue_not_empty_int_counter_timer;	/*0094 0097*/
    781	uint32_t	utility_A_int_counter_timer;		/*0098 009B*/
    782	uint32_t	outbound_doorbell;			/*009C 009F*/
    783	uint32_t	outbound_doorbell_clear;		/*00A0 00A3*/
    784	uint32_t	message_source_address_index;		/*00A4 00A7*/
    785	uint32_t	message_done_queue_index;		/*00A8 00AB*/
    786	uint32_t	reserved0;				/*00AC 00AF*/
    787	uint32_t	inbound_msgaddr0;			/*00B0 00B3*/
    788	uint32_t	inbound_msgaddr1;			/*00B4 00B7*/
    789	uint32_t	outbound_msgaddr0;			/*00B8 00BB*/
    790	uint32_t	outbound_msgaddr1;			/*00BC 00BF*/
    791	uint32_t	inbound_queueport_low;			/*00C0 00C3*/
    792	uint32_t	inbound_queueport_high;			/*00C4 00C7*/
    793	uint32_t	outbound_queueport_low;			/*00C8 00CB*/
    794	uint32_t	outbound_queueport_high;		/*00CC 00CF*/
    795	uint32_t	iop_inbound_queue_port_low;		/*00D0 00D3*/
    796	uint32_t	iop_inbound_queue_port_high;		/*00D4 00D7*/
    797	uint32_t	iop_outbound_queue_port_low;		/*00D8 00DB*/
    798	uint32_t	iop_outbound_queue_port_high;		/*00DC 00DF*/
    799	uint32_t	message_dest_queue_port_low;		/*00E0 00E3*/
    800	uint32_t	message_dest_queue_port_high;		/*00E4 00E7*/
    801	uint32_t	last_used_message_dest_address_low;	/*00E8 00EB*/
    802	uint32_t	last_used_message_dest_address_high;	/*00EC 00EF*/
    803	uint32_t	message_done_queue_base_address_low;	/*00F0 00F3*/
    804	uint32_t	message_done_queue_base_address_high;	/*00F4 00F7*/
    805	uint32_t	host_diagnostic;			/*00F8 00FB*/
    806	uint32_t	write_sequence;				/*00FC 00FF*/
    807	uint32_t	reserved1[46];				/*0100 01B7*/
    808	uint32_t	reply_post_producer_index1;		/*01B8 01BB*/
    809	uint32_t	reply_post_consumer_index1;		/*01BC 01BF*/
    810};
    811
    812#define	MESG_RW_BUFFER_SIZE	(256 * 3)
    813
    814typedef struct deliver_completeQ {
    815	uint16_t	cmdFlag;
    816	uint16_t	cmdSMID;
    817	uint16_t	cmdLMID;        // reserved (0)
    818	uint16_t	cmdFlag2;       // reserved (0)
    819} DeliverQ, CompletionQ, *pDeliver_Q, *pCompletion_Q;
    820/*
    821*******************************************************************************
    822**                 Adapter Control Block
    823*******************************************************************************
    824*/
    825struct AdapterControlBlock
    826{
    827	uint32_t		adapter_type;		/* adapter A,B..... */
    828#define ACB_ADAPTER_TYPE_A		0x00000000	/* hba I IOP */
    829#define ACB_ADAPTER_TYPE_B		0x00000001	/* hbb M IOP */
    830#define ACB_ADAPTER_TYPE_C		0x00000002	/* hbc L IOP */
    831#define ACB_ADAPTER_TYPE_D		0x00000003	/* hbd M IOP */
    832#define ACB_ADAPTER_TYPE_E		0x00000004	/* hba L IOP */
    833#define ACB_ADAPTER_TYPE_F		0x00000005	/* hba L IOP */
    834	u32			ioqueue_size;
    835	struct pci_dev *	pdev;
    836	struct Scsi_Host *	host;
    837	unsigned long		vir2phy_offset;
    838	/* Offset is used in making arc cdb physical to virtual calculations */
    839	uint32_t		outbound_int_enable;
    840	uint32_t		cdb_phyaddr_hi32;
    841	uint32_t		reg_mu_acc_handle0;
    842	uint64_t		cdb_phyadd_hipart;
    843	spinlock_t		eh_lock;
    844	spinlock_t		ccblist_lock;
    845	spinlock_t		postq_lock;
    846	spinlock_t		doneq_lock;
    847	spinlock_t		rqbuffer_lock;
    848	spinlock_t		wqbuffer_lock;
    849	union {
    850		struct MessageUnit_A __iomem *pmuA;
    851		struct MessageUnit_B 	*pmuB;
    852		struct MessageUnit_C __iomem *pmuC;
    853		struct MessageUnit_D 	*pmuD;
    854		struct MessageUnit_E __iomem *pmuE;
    855		struct MessageUnit_F __iomem *pmuF;
    856	};
    857	/* message unit ATU inbound base address0 */
    858	void __iomem		*mem_base0;
    859	void __iomem		*mem_base1;
    860	//0x000 - COMPORT_IN  (Host sent to ROC)
    861	uint32_t		*message_wbuffer;
    862	//0x100 - COMPORT_OUT (ROC sent to Host)
    863	uint32_t		*message_rbuffer;
    864	uint32_t		*msgcode_rwbuffer;	//0x200 - BIOS_AREA
    865	uint32_t		acb_flags;
    866	u16			dev_id;
    867	uint8_t			adapter_index;
    868#define ACB_F_SCSISTOPADAPTER         	0x0001
    869#define ACB_F_MSG_STOP_BGRB     	0x0002
    870/* stop RAID background rebuild */
    871#define ACB_F_MSG_START_BGRB          	0x0004
    872/* stop RAID background rebuild */
    873#define ACB_F_IOPDATA_OVERFLOW        	0x0008
    874/* iop message data rqbuffer overflow */
    875#define ACB_F_MESSAGE_WQBUFFER_CLEARED	0x0010
    876/* message clear wqbuffer */
    877#define ACB_F_MESSAGE_RQBUFFER_CLEARED  0x0020
    878/* message clear rqbuffer */
    879#define ACB_F_MESSAGE_WQBUFFER_READED   0x0040
    880#define ACB_F_BUS_RESET               	0x0080
    881
    882#define ACB_F_IOP_INITED              	0x0100
    883/* iop init */
    884#define ACB_F_ABORT			0x0200
    885#define ACB_F_FIRMWARE_TRAP           	0x0400
    886#define ACB_F_ADAPTER_REMOVED		0x0800
    887#define ACB_F_MSG_GET_CONFIG		0x1000
    888	struct CommandControlBlock *	pccb_pool[ARCMSR_MAX_FREECCB_NUM];
    889	/* used for memory free */
    890	struct list_head	ccb_free_list;
    891	/* head of free ccb list */
    892
    893	atomic_t		ccboutstandingcount;
    894	/*The present outstanding command number that in the IOP that
    895					waiting for being handled by FW*/
    896
    897	void *			dma_coherent;
    898	/* dma_coherent used for memory free */
    899	dma_addr_t		dma_coherent_handle;
    900	/* dma_coherent_handle used for memory free */
    901	dma_addr_t		dma_coherent_handle2;
    902	void			*dma_coherent2;
    903	unsigned int		uncache_size;
    904	uint8_t			rqbuffer[ARCMSR_MAX_QBUFFER];
    905	/* data collection buffer for read from 80331 */
    906	int32_t			rqbuf_getIndex;
    907	/* first of read buffer  */
    908	int32_t			rqbuf_putIndex;
    909	/* last of read buffer   */
    910	uint8_t			wqbuffer[ARCMSR_MAX_QBUFFER];
    911	/* data collection buffer for write to 80331  */
    912	int32_t			wqbuf_getIndex;
    913	/* first of write buffer */
    914	int32_t			wqbuf_putIndex;
    915	/* last of write buffer  */
    916	uint8_t			devstate[ARCMSR_MAX_TARGETID][ARCMSR_MAX_TARGETLUN];
    917	/* id0 ..... id15, lun0...lun7 */
    918#define ARECA_RAID_GONE			0x55
    919#define ARECA_RAID_GOOD			0xaa
    920	uint32_t		num_resets;
    921	uint32_t		num_aborts;
    922	uint32_t		signature;
    923	uint32_t		firm_request_len;
    924	uint32_t		firm_numbers_queue;
    925	uint32_t		firm_sdram_size;
    926	uint32_t		firm_hd_channels;
    927	uint32_t		firm_cfg_version;
    928	char			firm_model[12];
    929	char			firm_version[20];
    930	char			device_map[20];			/*21,84-99*/
    931	struct work_struct 	arcmsr_do_message_isr_bh;
    932	struct timer_list	eternal_timer;
    933	unsigned short		fw_flag;
    934#define	FW_NORMAL			0x0000
    935#define	FW_BOG				0x0001
    936#define	FW_DEADLOCK			0x0010
    937	uint32_t		maxOutstanding;
    938	int			vector_count;
    939	uint32_t		maxFreeCCB;
    940	struct timer_list	refresh_timer;
    941	uint32_t		doneq_index;
    942	uint32_t		ccbsize;
    943	uint32_t		in_doorbell;
    944	uint32_t		out_doorbell;
    945	uint32_t		completionQ_entry;
    946	pCompletion_Q		pCompletionQ;
    947	uint32_t		completeQ_size;
    948};/* HW_DEVICE_EXTENSION */
    949/*
    950*******************************************************************************
    951**                   Command Control Block
    952**             this CCB length must be 32 bytes boundary
    953*******************************************************************************
    954*/
    955struct CommandControlBlock{
    956	/*x32:sizeof struct_CCB=(64+60)byte, x64:sizeof struct_CCB=(64+60)byte*/
    957	struct list_head		list;		/*x32: 8byte, x64: 16byte*/
    958	struct scsi_cmnd		*pcmd;		/*8 bytes pointer of linux scsi command */
    959	struct AdapterControlBlock	*acb;		/*x32: 4byte, x64: 8byte*/
    960	unsigned long			cdb_phyaddr;	/*x32: 4byte, x64: 8byte*/
    961	uint32_t			arc_cdb_size;	/*x32:4byte,x64:4byte*/
    962	uint16_t			ccb_flags;	/*x32: 2byte, x64: 2byte*/
    963#define	CCB_FLAG_READ		0x0000
    964#define	CCB_FLAG_WRITE		0x0001
    965#define	CCB_FLAG_ERROR		0x0002
    966#define	CCB_FLAG_FLUSHCACHE	0x0004
    967#define	CCB_FLAG_MASTER_ABORTED	0x0008
    968	uint16_t                        startdone;	/*x32:2byte,x32:2byte*/
    969#define	ARCMSR_CCB_DONE		0x0000
    970#define	ARCMSR_CCB_START	0x55AA
    971#define	ARCMSR_CCB_ABORTED	0xAA55
    972#define	ARCMSR_CCB_ILLEGAL	0xFFFF
    973	uint32_t			smid;
    974#if BITS_PER_LONG == 64
    975	/*  ======================512+64 bytes========================  */
    976		uint32_t		reserved[3];	/*12 byte*/
    977#else
    978	/*  ======================512+32 bytes========================  */
    979		uint32_t		reserved[8];	/*32  byte*/
    980#endif
    981	/*  =======================================================   */
    982	struct ARCMSR_CDB		arcmsr_cdb;
    983};
    984/*
    985*******************************************************************************
    986**    ARECA SCSI sense data
    987*******************************************************************************
    988*/
    989struct SENSE_DATA
    990{
    991	uint8_t				ErrorCode:7;
    992#define SCSI_SENSE_CURRENT_ERRORS	0x70
    993#define SCSI_SENSE_DEFERRED_ERRORS	0x71
    994	uint8_t				Valid:1;
    995	uint8_t				SegmentNumber;
    996	uint8_t				SenseKey:4;
    997	uint8_t				Reserved:1;
    998	uint8_t				IncorrectLength:1;
    999	uint8_t				EndOfMedia:1;
   1000	uint8_t				FileMark:1;
   1001	uint8_t				Information[4];
   1002	uint8_t				AdditionalSenseLength;
   1003	uint8_t				CommandSpecificInformation[4];
   1004	uint8_t				AdditionalSenseCode;
   1005	uint8_t				AdditionalSenseCodeQualifier;
   1006	uint8_t				FieldReplaceableUnitCode;
   1007	uint8_t				SenseKeySpecific[3];
   1008};
   1009/*
   1010*******************************************************************************
   1011**  Outbound Interrupt Status Register - OISR
   1012*******************************************************************************
   1013*/
   1014#define	ARCMSR_MU_OUTBOUND_INTERRUPT_STATUS_REG	0x30
   1015#define	ARCMSR_MU_OUTBOUND_PCI_INT		0x10
   1016#define	ARCMSR_MU_OUTBOUND_POSTQUEUE_INT	0x08
   1017#define	ARCMSR_MU_OUTBOUND_DOORBELL_INT		0x04
   1018#define	ARCMSR_MU_OUTBOUND_MESSAGE1_INT		0x02
   1019#define	ARCMSR_MU_OUTBOUND_MESSAGE0_INT		0x01
   1020#define	ARCMSR_MU_OUTBOUND_HANDLE_INT                     \
   1021                    (ARCMSR_MU_OUTBOUND_MESSAGE0_INT      \
   1022                     |ARCMSR_MU_OUTBOUND_MESSAGE1_INT     \
   1023                     |ARCMSR_MU_OUTBOUND_DOORBELL_INT     \
   1024                     |ARCMSR_MU_OUTBOUND_POSTQUEUE_INT    \
   1025                     |ARCMSR_MU_OUTBOUND_PCI_INT)
   1026/*
   1027*******************************************************************************
   1028**  Outbound Interrupt Mask Register - OIMR
   1029*******************************************************************************
   1030*/
   1031#define	ARCMSR_MU_OUTBOUND_INTERRUPT_MASK_REG		0x34
   1032#define	ARCMSR_MU_OUTBOUND_PCI_INTMASKENABLE		0x10
   1033#define	ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE	0x08
   1034#define	ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE	0x04
   1035#define	ARCMSR_MU_OUTBOUND_MESSAGE1_INTMASKENABLE	0x02
   1036#define	ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE	0x01
   1037#define	ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE		0x1F
   1038
   1039extern void arcmsr_write_ioctldata2iop(struct AdapterControlBlock *);
   1040extern uint32_t arcmsr_Read_iop_rqbuffer_data(struct AdapterControlBlock *,
   1041	struct QBUFFER __iomem *);
   1042extern void arcmsr_clear_iop2drv_rqueue_buffer(struct AdapterControlBlock *);
   1043extern struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *);
   1044extern const struct attribute_group *arcmsr_host_groups[];
   1045extern int arcmsr_alloc_sysfs_attr(struct AdapterControlBlock *);
   1046void arcmsr_free_sysfs_attr(struct AdapterControlBlock *acb);