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193 lines
6.9 KiB
C
193 lines
6.9 KiB
C
/**************************************************************************
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**
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** $Id: pcireg.h,v 1.5 1995/03/21 23:01:04 se Exp $
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**
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** Names for PCI configuration space registers.
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**
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** Copyright (c) 1994 Wolfgang Stanglmeier. All rights reserved.
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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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** 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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** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**
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***************************************************************************
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*/
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#ifndef __PCI_REG_H__
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#define __PCI_REG_H__ "pl2 95/03/21"
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/*
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** Device identification register; contains a vendor ID and a device ID.
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** We have little need to distinguish the two parts.
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*/
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#define PCI_ID_REG 0x00
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/*
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** Command and status register.
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*/
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#define PCI_COMMAND_STATUS_REG 0x04
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#define PCI_COMMAND_IO_ENABLE 0x00000001
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#define PCI_COMMAND_MEM_ENABLE 0x00000002
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#define PCI_COMMAND_MASTER_ENABLE 0x00000004
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#define PCI_COMMAND_SPECIAL_ENABLE 0x00000008
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#define PCI_COMMAND_INVALIDATE_ENABLE 0x00000010
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#define PCI_COMMAND_PALETTE_ENABLE 0x00000020
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#define PCI_COMMAND_PARITY_ENABLE 0x00000040
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#define PCI_COMMAND_STEPPING_ENABLE 0x00000080
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#define PCI_COMMAND_SERR_ENABLE 0x00000100
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#define PCI_COMMAND_BACKTOBACK_ENABLE 0x00000200
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#define PCI_STATUS_BACKTOBACK_OKAY 0x00800000
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#define PCI_STATUS_PARITY_ERROR 0x01000000
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#define PCI_STATUS_DEVSEL_FAST 0x00000000
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#define PCI_STATUS_DEVSEL_MEDIUM 0x02000000
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#define PCI_STATUS_DEVSEL_SLOW 0x04000000
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#define PCI_STATUS_DEVSEL_MASK 0x06000000
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#define PCI_STATUS_TARGET_TARGET_ABORT 0x08000000
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#define PCI_STATUS_MASTER_TARGET_ABORT 0x10000000
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#define PCI_STATUS_MASTER_ABORT 0x20000000
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#define PCI_STATUS_SPECIAL_ERROR 0x40000000
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#define PCI_STATUS_PARITY_DETECT 0x80000000
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/*
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** Class register; defines basic type of device.
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*/
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#define PCI_CLASS_REG 0x08
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#define PCI_CLASS_MASK 0xff000000
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#define PCI_SUBCLASS_MASK 0x00ff0000
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/* base classes */
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#define PCI_CLASS_PREHISTORIC 0x00000000
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#define PCI_CLASS_MASS_STORAGE 0x01000000
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#define PCI_CLASS_NETWORK 0x02000000
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#define PCI_CLASS_DISPLAY 0x03000000
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#define PCI_CLASS_MULTIMEDIA 0x04000000
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#define PCI_CLASS_MEMORY 0x05000000
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#define PCI_CLASS_BRIDGE 0x06000000
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#define PCI_CLASS_UNDEFINED 0xff000000
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/* 0x00 prehistoric subclasses */
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#define PCI_SUBCLASS_PREHISTORIC_MISC 0x00000000
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#define PCI_SUBCLASS_PREHISTORIC_VGA 0x00010000
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/* 0x01 mass storage subclasses */
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#define PCI_SUBCLASS_MASS_STORAGE_SCSI 0x00000000
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#define PCI_SUBCLASS_MASS_STORAGE_IDE 0x00010000
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#define PCI_SUBCLASS_MASS_STORAGE_FLOPPY 0x00020000
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#define PCI_SUBCLASS_MASS_STORAGE_IPI 0x00030000
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#define PCI_SUBCLASS_MASS_STORAGE_MISC 0x00800000
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/* 0x02 network subclasses */
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#define PCI_SUBCLASS_NETWORK_ETHERNET 0x00000000
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#define PCI_SUBCLASS_NETWORK_TOKENRING 0x00010000
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#define PCI_SUBCLASS_NETWORK_FDDI 0x00020000
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#define PCI_SUBCLASS_NETWORK_MISC 0x00800000
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/* 0x03 display subclasses */
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#define PCI_SUBCLASS_DISPLAY_VGA 0x00000000
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#define PCI_SUBCLASS_DISPLAY_XGA 0x00010000
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#define PCI_SUBCLASS_DISPLAY_MISC 0x00800000
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/* 0x04 multimedia subclasses */
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#define PCI_SUBCLASS_MULTIMEDIA_VIDEO 0x00000000
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#define PCI_SUBCLASS_MULTIMEDIA_AUDIO 0x00010000
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#define PCI_SUBCLASS_MULTIMEDIA_MISC 0x00800000
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/* 0x05 memory subclasses */
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#define PCI_SUBCLASS_MEMORY_RAM 0x00000000
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#define PCI_SUBCLASS_MEMORY_FLASH 0x00010000
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#define PCI_SUBCLASS_MEMORY_MISC 0x00800000
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/* 0x06 bridge subclasses */
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#define PCI_SUBCLASS_BRIDGE_HOST 0x00000000
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#define PCI_SUBCLASS_BRIDGE_ISA 0x00010000
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#define PCI_SUBCLASS_BRIDGE_EISA 0x00020000
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#define PCI_SUBCLASS_BRIDGE_MC 0x00030000
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#define PCI_SUBCLASS_BRIDGE_PCI 0x00040000
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#define PCI_SUBCLASS_BRIDGE_PCMCIA 0x00050000
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#define PCI_SUBCLASS_BRIDGE_MISC 0x00800000
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/*
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** Mapping registers
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*/
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#define PCI_MAP_REG_START 0x10
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#define PCI_MAP_REG_END 0x28
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#define PCI_MAP_MEMORY 0x00000000
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#define PCI_MAP_IO 0x00000001
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#define PCI_MAP_MEMORY_TYPE_32BIT 0x00000000
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#define PCI_MAP_MEMORY_TYPE_32BIT_1M 0x00000002
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#define PCI_MAP_MEMORY_TYPE_64BIT 0x00000004
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#define PCI_MAP_MEMORY_TYPE_MASK 0x00000006
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#define PCI_MAP_MEMORY_CACHABLE 0x00000008
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#define PCI_MAP_MEMORY_ADDRESS_MASK 0xfffffff0
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#define PCI_MAP_IO_ADDRESS_MASK 0xfffffffc
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/*
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** PCI-PCI bridge mapping registers
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*/
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#define PCI_PCI_BRIDGE_BUS_REG 0x18
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#define PCI_PCI_BRIDGE_IO_REG 0x1c
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#define PCI_PCI_BRIDGE_MEM_REG 0x20
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#define PCI_PCI_BRIDGE_PMEM_REG 0x24
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#define PCI_SUBORDINATE_BUS_MASK 0x00ff0000
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#define PCI_SECONDARY_BUS_MASK 0x0000ff00
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#define PCI_PRIMARY_BUS_MASK 0x000000ff
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#define PCI_SUBORDINATE_BUS_EXTRACT(x) (((x) >> 16) & 0xff)
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#define PCI_SECONDARY_BUS_EXTRACT(x) (((x) >> 8) & 0xff)
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#define PCI_PRIMARY_BUS_EXTRACT(x) (((x) ) & 0xff)
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#define PCI_PRIMARY_BUS_INSERT(x, y) (((x) & ~PCI_PRIMARY_BUS_MASK) | ((y) << 0))
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#define PCI_SECONDARY_BUS_INSERT(x, y) (((x) & ~PCI_SECONDARY_BUS_MASK) | ((y) << 8))
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#define PCI_SUBORDINATE_BUS_INSERT(x, y) (((x) & ~PCI_SUBORDINATE_BUS_MASK) | ((y) << 16))
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#define PCI_PPB_IOBASE_EXTRACT(x) (((x) << 8) & 0xFF00)
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#define PCI_PPB_IOLIMIT_EXTRACT(x) (((x) << 0) & 0xFF00)
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#define PCI_PPB_MEMBASE_EXTRACT(x) (((x) << 16) & 0xFFFF0000)
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#define PCI_PPB_MEMLIMIT_EXTRACT(x) (((x) << 0) & 0xFFFF0000)
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/*
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** Interrupt configuration register
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*/
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#define PCI_INTERRUPT_REG 0x3c
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#define PCI_INTERRUPT_PIN_MASK 0x0000ff00
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#define PCI_INTERRUPT_PIN_EXTRACT(x) ((((x) & PCI_INTERRUPT_PIN_MASK) >> 8) & 0xff)
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#define PCI_INTERRUPT_PIN_NONE 0x00
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#define PCI_INTERRUPT_PIN_A 0x01
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#define PCI_INTERRUPT_PIN_B 0x02
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#define PCI_INTERRUPT_PIN_C 0x03
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#define PCI_INTERRUPT_PIN_D 0x04
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#define PCI_INTERRUPT_LINE_MASK 0x000000ff
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#define PCI_INTERRUPT_LINE_EXTRACT(x) ((((x) & PCI_INTERRUPT_LINE_MASK) >> 0) & 0xff)
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#define PCI_INTERRUPT_LINE_INSERT(x,v) (((x) & ~PCI_INTERRUPT_LINE_MASK) | ((v) << 0))
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#endif /* __PCI_REG_H__ */
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