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416 lines
19 KiB
416 lines
19 KiB
/*
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* Initio A100 device driver for Linux.
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*
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* Copyright (c) 1994-1998 Initio Corporation
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* --------------------------------------------------------------------------
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions, and the following disclaimer,
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* without modification, immediately at the beginning of the file.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* Where this Software is combined with software released under the terms of
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* the GNU General Public License ("GPL") and the terms of the GPL would require the
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* combined work to also be released under the terms of the GPL, the terms
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* and conditions of this License will apply in addition to those of the
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* GPL with the exception of any terms or conditions of this License that
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* conflict with, or are expressly prohibited by, the GPL.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*
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* Revision History:
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* 06/18/98 HL, Initial production Version 1.02
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* 12/19/98 bv, Use spinlocks for 2.1.95 and up
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* 06/25/02 Doug Ledford <dledford@redhat.com>
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* - This and the i60uscsi.h file are almost identical,
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* merged them into a single header used by both .c files.
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*/
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#define inia100_REVID "Initio INI-A100U2W SCSI device driver; Revision: 1.02d"
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#define ULONG unsigned long
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#define USHORT unsigned short
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#define UCHAR unsigned char
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#define BYTE unsigned char
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#define WORD unsigned short
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#define DWORD unsigned long
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#define UBYTE unsigned char
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#define UWORD unsigned short
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#define UDWORD unsigned long
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#define U32 u32
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#if 1
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#define ORC_MAXQUEUE 245
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#define ORC_MAXTAGS 64
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#else
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#define ORC_MAXQUEUE 25
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#define ORC_MAXTAGS 8
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#endif
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#define TOTAL_SG_ENTRY 32
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#define MAX_TARGETS 16
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#define IMAX_CDB 15
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#define SENSE_SIZE 14
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/************************************************************************/
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/* Scatter-Gather Element Structure */
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/************************************************************************/
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typedef struct ORC_SG_Struc {
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U32 SG_Ptr; /* Data Pointer */
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U32 SG_Len; /* Data Length */
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} ORC_SG;
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/* SCSI related definition */
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#define DISC_NOT_ALLOW 0x80 /* Disconnect is not allowed */
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#define DISC_ALLOW 0xC0 /* Disconnect is allowed */
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#define ORC_OFFSET_SCB 16
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#define ORC_MAX_SCBS 250
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#define MAX_CHANNELS 2
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#define MAX_ESCB_ELE 64
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#define TCF_DRV_255_63 0x0400
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/********************************************************/
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/* Orchid Host Command Set */
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/********************************************************/
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#define ORC_CMD_NOP 0x00 /* Host command - NOP */
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#define ORC_CMD_VERSION 0x01 /* Host command - Get F/W version */
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#define ORC_CMD_ECHO 0x02 /* Host command - ECHO */
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#define ORC_CMD_SET_NVM 0x03 /* Host command - Set NVRAM */
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#define ORC_CMD_GET_NVM 0x04 /* Host command - Get NVRAM */
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#define ORC_CMD_GET_BUS_STATUS 0x05 /* Host command - Get SCSI bus status */
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#define ORC_CMD_ABORT_SCB 0x06 /* Host command - Abort SCB */
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#define ORC_CMD_ISSUE_SCB 0x07 /* Host command - Issue SCB */
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/********************************************************/
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/* Orchid Register Set */
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/********************************************************/
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#define ORC_GINTS 0xA0 /* Global Interrupt Status */
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#define QINT 0x04 /* Reply Queue Interrupt */
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#define ORC_GIMSK 0xA1 /* Global Interrupt MASK */
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#define MQINT 0x04 /* Mask Reply Queue Interrupt */
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#define ORC_GCFG 0xA2 /* Global Configure */
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#define EEPRG 0x01 /* Enable EEPROM programming */
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#define ORC_GSTAT 0xA3 /* Global status */
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#define WIDEBUS 0x10 /* Wide SCSI Devices connected */
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#define ORC_HDATA 0xA4 /* Host Data */
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#define ORC_HCTRL 0xA5 /* Host Control */
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#define SCSIRST 0x80 /* SCSI bus reset */
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#define HDO 0x40 /* Host data out */
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#define HOSTSTOP 0x02 /* Host stop RISC engine */
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#define DEVRST 0x01 /* Device reset */
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#define ORC_HSTUS 0xA6 /* Host Status */
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#define HDI 0x02 /* Host data in */
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#define RREADY 0x01 /* RISC engine is ready to receive */
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#define ORC_NVRAM 0xA7 /* Nvram port address */
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#define SE2CS 0x008
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#define SE2CLK 0x004
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#define SE2DO 0x002
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#define SE2DI 0x001
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#define ORC_PQUEUE 0xA8 /* Posting queue FIFO */
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#define ORC_PQCNT 0xA9 /* Posting queue FIFO Cnt */
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#define ORC_RQUEUE 0xAA /* Reply queue FIFO */
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#define ORC_RQUEUECNT 0xAB /* Reply queue FIFO Cnt */
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#define ORC_FWBASEADR 0xAC /* Firmware base address */
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#define ORC_EBIOSADR0 0xB0 /* External Bios address */
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#define ORC_EBIOSADR1 0xB1 /* External Bios address */
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#define ORC_EBIOSADR2 0xB2 /* External Bios address */
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#define ORC_EBIOSDATA 0xB3 /* External Bios address */
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#define ORC_SCBSIZE 0xB7 /* SCB size register */
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#define ORC_SCBBASE0 0xB8 /* SCB base address 0 */
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#define ORC_SCBBASE1 0xBC /* SCB base address 1 */
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#define ORC_RISCCTL 0xE0 /* RISC Control */
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#define PRGMRST 0x002
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#define DOWNLOAD 0x001
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#define ORC_PRGMCTR0 0xE2 /* RISC program counter */
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#define ORC_PRGMCTR1 0xE3 /* RISC program counter */
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#define ORC_RISCRAM 0xEC /* RISC RAM data port 4 bytes */
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typedef struct orc_extended_scb { /* Extended SCB */
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ORC_SG ESCB_SGList[TOTAL_SG_ENTRY]; /*0 Start of SG list */
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struct scsi_cmnd *SCB_Srb; /*50 SRB Pointer */
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} ESCB;
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/***********************************************************************
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SCSI Control Block
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************************************************************************/
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typedef struct orc_scb { /* Scsi_Ctrl_Blk */
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UBYTE SCB_Opcode; /*00 SCB command code&residual */
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UBYTE SCB_Flags; /*01 SCB Flags */
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UBYTE SCB_Target; /*02 Target Id */
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UBYTE SCB_Lun; /*03 Lun */
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U32 SCB_Reserved0; /*04 Reserved for ORCHID must 0 */
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U32 SCB_XferLen; /*08 Data Transfer Length */
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U32 SCB_Reserved1; /*0C Reserved for ORCHID must 0 */
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U32 SCB_SGLen; /*10 SG list # * 8 */
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U32 SCB_SGPAddr; /*14 SG List Buf physical Addr */
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U32 SCB_SGPAddrHigh; /*18 SG Buffer high physical Addr */
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UBYTE SCB_HaStat; /*1C Host Status */
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UBYTE SCB_TaStat; /*1D Target Status */
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UBYTE SCB_Status; /*1E SCB status */
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UBYTE SCB_Link; /*1F Link pointer, default 0xFF */
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UBYTE SCB_SenseLen; /*20 Sense Allocation Length */
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UBYTE SCB_CDBLen; /*21 CDB Length */
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UBYTE SCB_Ident; /*22 Identify */
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UBYTE SCB_TagMsg; /*23 Tag Message */
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UBYTE SCB_CDB[IMAX_CDB]; /*24 SCSI CDBs */
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UBYTE SCB_ScbIdx; /*3C Index for this ORCSCB */
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U32 SCB_SensePAddr; /*34 Sense Buffer physical Addr */
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ESCB *SCB_EScb; /*38 Extended SCB Pointer */
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#ifndef ALPHA
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UBYTE SCB_Reserved2[4]; /*3E Reserved for Driver use */
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#endif
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} ORC_SCB;
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/* Opcodes of ORCSCB_Opcode */
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#define ORC_EXECSCSI 0x00 /* SCSI initiator command with residual */
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#define ORC_BUSDEVRST 0x01 /* SCSI Bus Device Reset */
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/* Status of ORCSCB_Status */
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#define ORCSCB_COMPLETE 0x00 /* SCB request completed */
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#define ORCSCB_POST 0x01 /* SCB is posted by the HOST */
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/* Bit Definition for ORCSCB_Flags */
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#define SCF_DISINT 0x01 /* Disable HOST interrupt */
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#define SCF_DIR 0x18 /* Direction bits */
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#define SCF_NO_DCHK 0x00 /* Direction determined by SCSI */
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#define SCF_DIN 0x08 /* From Target to Initiator */
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#define SCF_DOUT 0x10 /* From Initiator to Target */
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#define SCF_NO_XF 0x18 /* No data transfer */
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#define SCF_POLL 0x40
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/* Error Codes for ORCSCB_HaStat */
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#define HOST_SEL_TOUT 0x11
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#define HOST_DO_DU 0x12
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#define HOST_BUS_FREE 0x13
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#define HOST_BAD_PHAS 0x14
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#define HOST_INV_CMD 0x16
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#define HOST_SCSI_RST 0x1B
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#define HOST_DEV_RST 0x1C
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/* Error Codes for ORCSCB_TaStat */
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#define TARGET_CHK_COND 0x02
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#define TARGET_BUSY 0x08
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#define TARGET_TAG_FULL 0x28
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/***********************************************************************
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Target Device Control Structure
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**********************************************************************/
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typedef struct ORC_Tar_Ctrl_Struc {
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UBYTE TCS_DrvDASD; /* 6 */
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UBYTE TCS_DrvSCSI; /* 7 */
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UBYTE TCS_DrvHead; /* 8 */
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UWORD TCS_DrvFlags; /* 4 */
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UBYTE TCS_DrvSector; /* 7 */
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} ORC_TCS;
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/* Bit Definition for TCF_DrvFlags */
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#define TCS_DF_NODASD_SUPT 0x20 /* Suppress OS/2 DASD Mgr support */
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#define TCS_DF_NOSCSI_SUPT 0x40 /* Suppress OS/2 SCSI Mgr support */
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/***********************************************************************
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Host Adapter Control Structure
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************************************************************************/
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typedef struct ORC_Ha_Ctrl_Struc {
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USHORT HCS_Base; /* 00 */
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UBYTE HCS_Index; /* 02 */
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UBYTE HCS_Intr; /* 04 */
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UBYTE HCS_SCSI_ID; /* 06 H/A SCSI ID */
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UBYTE HCS_BIOS; /* 07 BIOS configuration */
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UBYTE HCS_Flags; /* 0B */
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UBYTE HCS_HAConfig1; /* 1B SCSI0MAXTags */
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UBYTE HCS_MaxTar; /* 1B SCSI0MAXTags */
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USHORT HCS_Units; /* Number of units this adapter */
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USHORT HCS_AFlags; /* Adapter info. defined flags */
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ULONG HCS_Timeout; /* Adapter timeout value */
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ORC_SCB *HCS_virScbArray; /* 28 Virtual Pointer to SCB array */
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dma_addr_t HCS_physScbArray; /* Scb Physical address */
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ESCB *HCS_virEscbArray; /* Virtual pointer to ESCB Scatter list */
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dma_addr_t HCS_physEscbArray; /* scatter list Physical address */
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UBYTE TargetFlag[16]; /* 30 target configuration, TCF_EN_TAG */
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UBYTE MaximumTags[16]; /* 40 ORC_MAX_SCBS */
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UBYTE ActiveTags[16][16]; /* 50 */
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ORC_TCS HCS_Tcs[16]; /* 28 */
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U32 BitAllocFlag[MAX_CHANNELS][8]; /* Max STB is 256, So 256/32 */
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spinlock_t BitAllocFlagLock;
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struct pci_dev *pdev;
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} ORC_HCS;
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/* Bit Definition for HCS_Flags */
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#define HCF_SCSI_RESET 0x01 /* SCSI BUS RESET */
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#define HCF_PARITY 0x02 /* parity card */
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#define HCF_LVDS 0x10 /* parity card */
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/* Bit Definition for TargetFlag */
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#define TCF_EN_255 0x08
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#define TCF_EN_TAG 0x10
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#define TCF_BUSY 0x20
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#define TCF_DISCONNECT 0x40
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#define TCF_SPIN_UP 0x80
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/* Bit Definition for HCS_AFlags */
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#define HCS_AF_IGNORE 0x01 /* Adapter ignore */
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#define HCS_AF_DISABLE_RESET 0x10 /* Adapter disable reset */
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#define HCS_AF_DISABLE_ADPT 0x80 /* Adapter disable */
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typedef struct _NVRAM {
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/*----------header ---------------*/
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UCHAR SubVendorID0; /* 00 - Sub Vendor ID */
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UCHAR SubVendorID1; /* 00 - Sub Vendor ID */
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UCHAR SubSysID0; /* 02 - Sub System ID */
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UCHAR SubSysID1; /* 02 - Sub System ID */
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UCHAR SubClass; /* 04 - Sub Class */
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UCHAR VendorID0; /* 05 - Vendor ID */
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UCHAR VendorID1; /* 05 - Vendor ID */
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UCHAR DeviceID0; /* 07 - Device ID */
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UCHAR DeviceID1; /* 07 - Device ID */
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UCHAR Reserved0[2]; /* 09 - Reserved */
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UCHAR Revision; /* 0B - Revision of data structure */
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/* ----Host Adapter Structure ---- */
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UCHAR NumOfCh; /* 0C - Number of SCSI channel */
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UCHAR BIOSConfig1; /* 0D - BIOS configuration 1 */
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UCHAR BIOSConfig2; /* 0E - BIOS boot channel&target ID */
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UCHAR BIOSConfig3; /* 0F - BIOS configuration 3 */
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/* ----SCSI channel Structure ---- */
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/* from "CTRL-I SCSI Host Adapter SetUp menu " */
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UCHAR SCSI0Id; /* 10 - Channel 0 SCSI ID */
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UCHAR SCSI0Config; /* 11 - Channel 0 SCSI configuration */
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UCHAR SCSI0MaxTags; /* 12 - Channel 0 Maximum tags */
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UCHAR SCSI0ResetTime; /* 13 - Channel 0 Reset recovering time */
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UCHAR ReservedforChannel0[2]; /* 14 - Reserved */
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/* ----SCSI target Structure ---- */
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/* from "CTRL-I SCSI device SetUp menu " */
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UCHAR Target00Config; /* 16 - Channel 0 Target 0 config */
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UCHAR Target01Config; /* 17 - Channel 0 Target 1 config */
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UCHAR Target02Config; /* 18 - Channel 0 Target 2 config */
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UCHAR Target03Config; /* 19 - Channel 0 Target 3 config */
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UCHAR Target04Config; /* 1A - Channel 0 Target 4 config */
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UCHAR Target05Config; /* 1B - Channel 0 Target 5 config */
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UCHAR Target06Config; /* 1C - Channel 0 Target 6 config */
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UCHAR Target07Config; /* 1D - Channel 0 Target 7 config */
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UCHAR Target08Config; /* 1E - Channel 0 Target 8 config */
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UCHAR Target09Config; /* 1F - Channel 0 Target 9 config */
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UCHAR Target0AConfig; /* 20 - Channel 0 Target A config */
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UCHAR Target0BConfig; /* 21 - Channel 0 Target B config */
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UCHAR Target0CConfig; /* 22 - Channel 0 Target C config */
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UCHAR Target0DConfig; /* 23 - Channel 0 Target D config */
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UCHAR Target0EConfig; /* 24 - Channel 0 Target E config */
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UCHAR Target0FConfig; /* 25 - Channel 0 Target F config */
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UCHAR SCSI1Id; /* 26 - Channel 1 SCSI ID */
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UCHAR SCSI1Config; /* 27 - Channel 1 SCSI configuration */
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UCHAR SCSI1MaxTags; /* 28 - Channel 1 Maximum tags */
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UCHAR SCSI1ResetTime; /* 29 - Channel 1 Reset recovering time */
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UCHAR ReservedforChannel1[2]; /* 2A - Reserved */
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/* ----SCSI target Structure ---- */
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/* from "CTRL-I SCSI device SetUp menu " */
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UCHAR Target10Config; /* 2C - Channel 1 Target 0 config */
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UCHAR Target11Config; /* 2D - Channel 1 Target 1 config */
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UCHAR Target12Config; /* 2E - Channel 1 Target 2 config */
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UCHAR Target13Config; /* 2F - Channel 1 Target 3 config */
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UCHAR Target14Config; /* 30 - Channel 1 Target 4 config */
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UCHAR Target15Config; /* 31 - Channel 1 Target 5 config */
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UCHAR Target16Config; /* 32 - Channel 1 Target 6 config */
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UCHAR Target17Config; /* 33 - Channel 1 Target 7 config */
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UCHAR Target18Config; /* 34 - Channel 1 Target 8 config */
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UCHAR Target19Config; /* 35 - Channel 1 Target 9 config */
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UCHAR Target1AConfig; /* 36 - Channel 1 Target A config */
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UCHAR Target1BConfig; /* 37 - Channel 1 Target B config */
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UCHAR Target1CConfig; /* 38 - Channel 1 Target C config */
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UCHAR Target1DConfig; /* 39 - Channel 1 Target D config */
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UCHAR Target1EConfig; /* 3A - Channel 1 Target E config */
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UCHAR Target1FConfig; /* 3B - Channel 1 Target F config */
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UCHAR reserved[3]; /* 3C - Reserved */
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/* ---------- CheckSum ---------- */
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UCHAR CheckSum; /* 3F - Checksum of NVRam */
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} NVRAM, *PNVRAM;
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/* Bios Configuration for nvram->BIOSConfig1 */
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#define NBC_BIOSENABLE 0x01 /* BIOS enable */
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#define NBC_CDROM 0x02 /* Support bootable CDROM */
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#define NBC_REMOVABLE 0x04 /* Support removable drive */
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/* Bios Configuration for nvram->BIOSConfig2 */
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#define NBB_TARGET_MASK 0x0F /* Boot SCSI target ID number */
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#define NBB_CHANL_MASK 0xF0 /* Boot SCSI channel number */
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/* Bit definition for nvram->SCSIConfig */
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#define NCC_BUSRESET 0x01 /* Reset SCSI bus at power up */
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#define NCC_PARITYCHK 0x02 /* SCSI parity enable */
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#define NCC_LVDS 0x10 /* Enable LVDS */
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#define NCC_ACTTERM1 0x20 /* Enable active terminator 1 */
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#define NCC_ACTTERM2 0x40 /* Enable active terminator 2 */
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#define NCC_AUTOTERM 0x80 /* Enable auto termination */
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/* Bit definition for nvram->TargetxConfig */
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#define NTC_PERIOD 0x07 /* Maximum Sync. Speed */
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#define NTC_1GIGA 0x08 /* 255 head / 63 sectors (64/32) */
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#define NTC_NO_SYNC 0x10 /* NO SYNC. NEGO */
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#define NTC_NO_WIDESYNC 0x20 /* NO WIDE SYNC. NEGO */
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#define NTC_DISC_ENABLE 0x40 /* Enable SCSI disconnect */
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#define NTC_SPINUP 0x80 /* Start disk drive */
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/* Default NVRam values */
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#define NBC_DEFAULT (NBC_ENABLE)
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#define NCC_DEFAULT (NCC_BUSRESET | NCC_AUTOTERM | NCC_PARITYCHK)
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#define NCC_MAX_TAGS 0x20 /* Maximum tags per target */
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#define NCC_RESET_TIME 0x0A /* SCSI RESET recovering time */
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#define NTC_DEFAULT (NTC_1GIGA | NTC_NO_WIDESYNC | NTC_DISC_ENABLE)
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#define ORC_RD(x,y) (UCHAR)(inb( (int)((ULONG)((ULONG)x+(UCHAR)y)) ))
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#define ORC_RDWORD(x,y) (short)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) ))
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#define ORC_RDLONG(x,y) (long)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) ))
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#define ORC_WR( adr,data) outb( (UCHAR)(data), (int)(adr))
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#define ORC_WRSHORT(adr,data) outw( (UWORD)(data), (int)(adr))
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#define ORC_WRLONG( adr,data) outl( (ULONG)(data), (int)(adr))
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