606 lines
19 KiB
C
606 lines
19 KiB
C
/*-
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* Copyright (c) 1997, Stefan Esser <se@freebsd.org>
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* All rights reserved.
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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 unmodified, this list of conditions, and the following
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* 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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*
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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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* $FreeBSD$
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*
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*/
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/*
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* PCIM_xxx: mask to locate subfield in register
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* PCIR_xxx: config register offset
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* PCIC_xxx: device class
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* PCIS_xxx: device subclass
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* PCIP_xxx: device programming interface
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* PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
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* PCID_xxx: device ID
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* PCIY_xxx: capability identification number
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*/
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/* some PCI bus constants */
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#define PCI_BUSMAX 255
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#define PCI_SLOTMAX 31
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#define PCI_FUNCMAX 7
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#define PCI_REGMAX 255
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#define PCI_MAXHDRTYPE 2
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/* PCI config header registers for all devices */
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#define PCIR_DEVVENDOR 0x00
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#define PCIR_VENDOR 0x00
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#define PCIR_DEVICE 0x02
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#define PCIR_COMMAND 0x04
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#define PCIM_CMD_PORTEN 0x0001
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#define PCIM_CMD_MEMEN 0x0002
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#define PCIM_CMD_BUSMASTEREN 0x0004
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#define PCIM_CMD_SPECIALEN 0x0008
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#define PCIM_CMD_MWRICEN 0x0010
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#define PCIM_CMD_PERRESPEN 0x0040
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#define PCIM_CMD_SERRESPEN 0x0100
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#define PCIM_CMD_BACKTOBACK 0x0200
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#define PCIR_STATUS 0x06
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#define PCIM_STATUS_CAPPRESENT 0x0010
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#define PCIM_STATUS_66CAPABLE 0x0020
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#define PCIM_STATUS_BACKTOBACK 0x0080
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#define PCIM_STATUS_PERRREPORT 0x0100
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#define PCIM_STATUS_SEL_FAST 0x0000
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#define PCIM_STATUS_SEL_MEDIMUM 0x0200
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#define PCIM_STATUS_SEL_SLOW 0x0400
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#define PCIM_STATUS_SEL_MASK 0x0600
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#define PCIM_STATUS_STABORT 0x0800
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#define PCIM_STATUS_RTABORT 0x1000
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#define PCIM_STATUS_RMABORT 0x2000
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#define PCIM_STATUS_SERR 0x4000
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#define PCIM_STATUS_PERR 0x8000
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#define PCIR_REVID 0x08
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#define PCIR_PROGIF 0x09
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#define PCIR_SUBCLASS 0x0a
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#define PCIR_CLASS 0x0b
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#define PCIR_CACHELNSZ 0x0c
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#define PCIR_LATTIMER 0x0d
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#define PCIR_HDRTYPE 0x0e
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#define PCIM_HDRTYPE 0x7f
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#define PCIM_HDRTYPE_NORMAL 0x00
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#define PCIM_HDRTYPE_BRIDGE 0x01
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#define PCIM_HDRTYPE_CARDBUS 0x02
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#define PCIM_MFDEV 0x80
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#define PCIR_BIST 0x0f
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/* Capability Register Offsets */
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#define PCICAP_ID 0x0
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#define PCICAP_NEXTPTR 0x1
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/* Capability Identification Numbers */
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#define PCIY_PMG 0x01 /* PCI Power Management */
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#define PCIY_AGP 0x02 /* AGP */
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#define PCIY_VPD 0x03 /* Vital Product Data */
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#define PCIY_SLOTID 0x04 /* Slot Identification */
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#define PCIY_MSI 0x05 /* Message Signaled Interrupts */
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#define PCIY_CHSWP 0x06 /* CompactPCI Hot Swap */
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#define PCIY_PCIX 0x07 /* PCI-X */
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#define PCIY_HT 0x08 /* HyperTransport */
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#define PCIY_VENDOR 0x09 /* Vendor Unique */
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#define PCIY_DEBUG 0x0a /* Debug port */
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#define PCIY_CRES 0x0b /* CompactPCI central resource control */
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#define PCIY_HOTPLUG 0x0c /* PCI Hot-Plug */
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#define PCIY_SUBVENDOR 0x0d /* PCI-PCI bridge subvendor ID */
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#define PCIY_AGP8X 0x0e /* AGP 8x */
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#define PCIY_SECDEV 0x0f /* Secure Device */
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#define PCIY_EXPRESS 0x10 /* PCI Express */
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#define PCIY_MSIX 0x11 /* MSI-X */
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/* config registers for header type 0 devices */
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#define PCIR_BARS 0x10
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#define PCIR_BAR(x) (PCIR_BARS + (x) * 4)
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#define PCI_MAX_BAR_0 5 /* Number of standard bars */
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#define PCI_RID2BAR(rid) (((rid) - PCIR_BARS) / 4)
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#define PCI_BAR_IO(x) (((x) & PCIM_BAR_SPACE) == PCIM_BAR_IO_SPACE)
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#define PCI_BAR_MEM(x) (((x) & PCIM_BAR_SPACE) == PCIM_BAR_MEM_SPACE)
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#define PCIM_BAR_SPACE 0x00000001
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#define PCIM_BAR_MEM_SPACE 0
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#define PCIM_BAR_IO_SPACE 1
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#define PCIM_BAR_MEM_TYPE 0x00000006
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#define PCIM_BAR_MEM_32 0
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#define PCIM_BAR_MEM_1MB 2 /* Locate below 1MB in PCI <= 2.1 */
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#define PCIM_BAR_MEM_64 4
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#define PCIM_BAR_MEM_PREFETCH 0x00000008
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#define PCIM_BAR_MEM_BASE 0xfffffff0
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#define PCIM_BAR_IO_RESERVED 0x00000002
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#define PCIM_BAR_IO_BASE 0xfffffffc
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#define PCIR_CIS 0x28
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#define PCIM_CIS_ASI_MASK 0x7
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#define PCIM_CIS_ASI_CONFIG 0
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#define PCIM_CIS_ASI_BAR0 1
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#define PCIM_CIS_ASI_BAR1 2
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#define PCIM_CIS_ASI_BAR2 3
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#define PCIM_CIS_ASI_BAR3 4
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#define PCIM_CIS_ASI_BAR4 5
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#define PCIM_CIS_ASI_BAR5 6
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#define PCIM_CIS_ASI_ROM 7
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#define PCIM_CIS_ADDR_MASK 0x0ffffff8
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#define PCIM_CIS_ROM_MASK 0xf0000000
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#define PCIM_CIS_CONFIG_MASK 0xff
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#define PCIR_SUBVEND_0 0x2c
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#define PCIR_SUBDEV_0 0x2e
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#define PCIR_BIOS 0x30
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#define PCIM_BIOS_ENABLE 0x01
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#define PCIM_BIOS_ADDR_MASK 0xfffff800
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#define PCIR_CAP_PTR 0x34
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#define PCIR_INTLINE 0x3c
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#define PCIR_INTPIN 0x3d
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#define PCIR_MINGNT 0x3e
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#define PCIR_MAXLAT 0x3f
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/* config registers for header type 1 (PCI-to-PCI bridge) devices */
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#define PCIR_SECSTAT_1 0x1e
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#define PCIR_PRIBUS_1 0x18
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#define PCIR_SECBUS_1 0x19
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#define PCIR_SUBBUS_1 0x1a
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#define PCIR_SECLAT_1 0x1b
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#define PCIR_IOBASEL_1 0x1c
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#define PCIR_IOLIMITL_1 0x1d
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#define PCIR_IOBASEH_1 0x30
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#define PCIR_IOLIMITH_1 0x32
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#define PCIM_BRIO_16 0x0
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#define PCIM_BRIO_32 0x1
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#define PCIM_BRIO_MASK 0xf
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#define PCIR_MEMBASE_1 0x20
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#define PCIR_MEMLIMIT_1 0x22
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#define PCIR_PMBASEL_1 0x24
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#define PCIR_PMLIMITL_1 0x26
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#define PCIR_PMBASEH_1 0x28
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#define PCIR_PMLIMITH_1 0x2c
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#define PCIR_BRIDGECTL_1 0x3e
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/* config registers for header type 2 (CardBus) devices */
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#define PCIR_CAP_PTR_2 0x14
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#define PCIR_SECSTAT_2 0x16
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#define PCIR_PRIBUS_2 0x18
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#define PCIR_SECBUS_2 0x19
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#define PCIR_SUBBUS_2 0x1a
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#define PCIR_SECLAT_2 0x1b
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#define PCIR_MEMBASE0_2 0x1c
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#define PCIR_MEMLIMIT0_2 0x20
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#define PCIR_MEMBASE1_2 0x24
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#define PCIR_MEMLIMIT1_2 0x28
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#define PCIR_IOBASE0_2 0x2c
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#define PCIR_IOLIMIT0_2 0x30
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#define PCIR_IOBASE1_2 0x34
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#define PCIR_IOLIMIT1_2 0x38
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#define PCIR_BRIDGECTL_2 0x3e
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#define PCIR_SUBVEND_2 0x40
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#define PCIR_SUBDEV_2 0x42
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#define PCIR_PCCARDIF_2 0x44
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/* PCI device class, subclass and programming interface definitions */
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#define PCIC_OLD 0x00
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#define PCIS_OLD_NONVGA 0x00
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#define PCIS_OLD_VGA 0x01
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#define PCIC_STORAGE 0x01
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#define PCIS_STORAGE_SCSI 0x00
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#define PCIS_STORAGE_IDE 0x01
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#define PCIP_STORAGE_IDE_MODEPRIM 0x01
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#define PCIP_STORAGE_IDE_PROGINDPRIM 0x02
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#define PCIP_STORAGE_IDE_MODESEC 0x04
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#define PCIP_STORAGE_IDE_PROGINDSEC 0x08
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#define PCIP_STORAGE_IDE_MASTERDEV 0x80
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#define PCIS_STORAGE_FLOPPY 0x02
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#define PCIS_STORAGE_IPI 0x03
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#define PCIS_STORAGE_RAID 0x04
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#define PCIS_STORAGE_ATA_ADMA 0x05
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#define PCIS_STORAGE_SATA 0x06
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#define PCIP_STORAGE_SATA_AHCI_1_0 0x01
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#define PCIS_STORAGE_SAS 0x07
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#define PCIS_STORAGE_OTHER 0x80
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#define PCIC_NETWORK 0x02
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#define PCIS_NETWORK_ETHERNET 0x00
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#define PCIS_NETWORK_TOKENRING 0x01
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#define PCIS_NETWORK_FDDI 0x02
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#define PCIS_NETWORK_ATM 0x03
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#define PCIS_NETWORK_ISDN 0x04
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#define PCIS_NETWORK_WORLDFIP 0x05
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#define PCIS_NETWORK_PICMG 0x06
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#define PCIS_NETWORK_OTHER 0x80
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#define PCIC_DISPLAY 0x03
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#define PCIS_DISPLAY_VGA 0x00
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#define PCIS_DISPLAY_XGA 0x01
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#define PCIS_DISPLAY_3D 0x02
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#define PCIS_DISPLAY_OTHER 0x80
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#define PCIC_MULTIMEDIA 0x04
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#define PCIS_MULTIMEDIA_VIDEO 0x00
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#define PCIS_MULTIMEDIA_AUDIO 0x01
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#define PCIS_MULTIMEDIA_TELE 0x02
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#define PCIS_MULTIMEDIA_OTHER 0x80
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#define PCIC_MEMORY 0x05
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#define PCIS_MEMORY_RAM 0x00
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#define PCIS_MEMORY_FLASH 0x01
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#define PCIS_MEMORY_OTHER 0x80
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#define PCIC_BRIDGE 0x06
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#define PCIS_BRIDGE_HOST 0x00
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#define PCIS_BRIDGE_ISA 0x01
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#define PCIS_BRIDGE_EISA 0x02
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#define PCIS_BRIDGE_MCA 0x03
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#define PCIS_BRIDGE_PCI 0x04
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#define PCIP_BRIDGE_PCI_SUBTRACTIVE 0x01
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#define PCIS_BRIDGE_PCMCIA 0x05
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#define PCIS_BRIDGE_NUBUS 0x06
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#define PCIS_BRIDGE_CARDBUS 0x07
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#define PCIS_BRIDGE_RACEWAY 0x08
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#define PCIS_BRIDGE_PCI_TRANSPARENT 0x09
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#define PCIS_BRIDGE_INFINIBAND 0x0a
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#define PCIS_BRIDGE_OTHER 0x80
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#define PCIC_SIMPLECOMM 0x07
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#define PCIS_SIMPLECOMM_UART 0x00
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#define PCIP_SIMPLECOMM_UART_8250 0x00
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#define PCIP_SIMPLECOMM_UART_16450A 0x01
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#define PCIP_SIMPLECOMM_UART_16550A 0x02
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#define PCIP_SIMPLECOMM_UART_16650A 0x03
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#define PCIP_SIMPLECOMM_UART_16750A 0x04
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#define PCIP_SIMPLECOMM_UART_16850A 0x05
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#define PCIP_SIMPLECOMM_UART_16950A 0x06
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#define PCIS_SIMPLECOMM_PAR 0x01
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#define PCIS_SIMPLECOMM_MULSER 0x02
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#define PCIS_SIMPLECOMM_MODEM 0x03
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#define PCIS_SIMPLECOMM_GPIB 0x04
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#define PCIS_SIMPLECOMM_SMART_CARD 0x05
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#define PCIS_SIMPLECOMM_OTHER 0x80
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#define PCIC_BASEPERIPH 0x08
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#define PCIS_BASEPERIPH_PIC 0x00
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#define PCIP_BASEPERIPH_PIC_8259A 0x00
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#define PCIP_BASEPERIPH_PIC_ISA 0x01
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#define PCIP_BASEPERIPH_PIC_EISA 0x02
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#define PCIP_BASEPERIPH_PIC_IO_APIC 0x10
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#define PCIP_BASEPERIPH_PIC_IOX_APIC 0x20
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#define PCIS_BASEPERIPH_DMA 0x01
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#define PCIS_BASEPERIPH_TIMER 0x02
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#define PCIS_BASEPERIPH_RTC 0x03
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#define PCIS_BASEPERIPH_PCIHOT 0x04
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#define PCIS_BASEPERIPH_SDHC 0x05
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#define PCIS_BASEPERIPH_OTHER 0x80
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#define PCIC_INPUTDEV 0x09
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#define PCIS_INPUTDEV_KEYBOARD 0x00
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#define PCIS_INPUTDEV_DIGITIZER 0x01
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#define PCIS_INPUTDEV_MOUSE 0x02
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#define PCIS_INPUTDEV_SCANNER 0x03
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#define PCIS_INPUTDEV_GAMEPORT 0x04
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#define PCIS_INPUTDEV_OTHER 0x80
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#define PCIC_DOCKING 0x0a
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#define PCIS_DOCKING_GENERIC 0x00
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#define PCIS_DOCKING_OTHER 0x80
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#define PCIC_PROCESSOR 0x0b
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#define PCIS_PROCESSOR_386 0x00
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#define PCIS_PROCESSOR_486 0x01
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#define PCIS_PROCESSOR_PENTIUM 0x02
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#define PCIS_PROCESSOR_ALPHA 0x10
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#define PCIS_PROCESSOR_POWERPC 0x20
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#define PCIS_PROCESSOR_MIPS 0x30
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#define PCIS_PROCESSOR_COPROC 0x40
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#define PCIC_SERIALBUS 0x0c
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#define PCIS_SERIALBUS_FW 0x00
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#define PCIS_SERIALBUS_ACCESS 0x01
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#define PCIS_SERIALBUS_SSA 0x02
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#define PCIS_SERIALBUS_USB 0x03
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#define PCIP_SERIALBUS_USB_UHCI 0x00
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#define PCIP_SERIALBUS_USB_OHCI 0x10
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#define PCIP_SERIALBUS_USB_EHCI 0x20
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#define PCIP_SERIALBUS_USB_DEVICE 0xfe
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#define PCIS_SERIALBUS_FC 0x04
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#define PCIS_SERIALBUS_SMBUS 0x05
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#define PCIS_SERIALBUS_INFINIBAND 0x06
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#define PCIS_SERIALBUS_IPMI 0x07
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#define PCIP_SERIALBUS_IPMI_SMIC 0x00
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#define PCIP_SERIALBUS_IPMI_KCS 0x01
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#define PCIP_SERIALBUS_IPMI_BT 0x02
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#define PCIS_SERIALBUS_SERCOS 0x08
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#define PCIS_SERIALBUS_CANBUS 0x09
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#define PCIC_WIRELESS 0x0d
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#define PCIS_WIRELESS_IRDA 0x00
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#define PCIS_WIRELESS_IR 0x01
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#define PCIS_WIRELESS_RF 0x10
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#define PCIS_WIRELESS_BLUETOOTH 0x11
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#define PCIS_WIRELESS_BROADBAND 0x12
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#define PCIS_WIRELESS_80211A 0x20
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#define PCIS_WIRELESS_80211B 0x21
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#define PCIS_WIRELESS_OTHER 0x80
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#define PCIC_INTELLIIO 0x0e
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#define PCIS_INTELLIIO_I2O 0x00
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#define PCIC_SATCOM 0x0f
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#define PCIS_SATCOM_TV 0x01
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#define PCIS_SATCOM_AUDIO 0x02
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#define PCIS_SATCOM_VOICE 0x03
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#define PCIS_SATCOM_DATA 0x04
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#define PCIC_CRYPTO 0x10
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#define PCIS_CRYPTO_NETCOMP 0x00
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#define PCIS_CRYPTO_ENTERTAIN 0x10
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#define PCIS_CRYPTO_OTHER 0x80
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#define PCIC_DASP 0x11
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#define PCIS_DASP_DPIO 0x00
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#define PCIS_DASP_PERFCNTRS 0x01
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#define PCIS_DASP_COMM_SYNC 0x10
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#define PCIS_DASP_MGMT_CARD 0x20
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#define PCIS_DASP_OTHER 0x80
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#define PCIC_OTHER 0xff
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/* Bridge Control Values. */
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#define PCIB_BCR_PERR_ENABLE 0x0001
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#define PCIB_BCR_SERR_ENABLE 0x0002
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#define PCIB_BCR_ISA_ENABLE 0x0004
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#define PCIB_BCR_VGA_ENABLE 0x0008
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#define PCIB_BCR_MASTER_ABORT_MODE 0x0020
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#define PCIB_BCR_SECBUS_RESET 0x0040
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#define PCIB_BCR_SECBUS_BACKTOBACK 0x0080
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#define PCIB_BCR_PRI_DISCARD_TIMEOUT 0x0100
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#define PCIB_BCR_SEC_DISCARD_TIMEOUT 0x0200
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#define PCIB_BCR_DISCARD_TIMER_STATUS 0x0400
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#define PCIB_BCR_DISCARD_TIMER_SERREN 0x0800
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/* PCI power manangement */
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#define PCIR_POWER_CAP 0x2
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#define PCIM_PCAP_SPEC 0x0007
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#define PCIM_PCAP_PMEREQCLK 0x0008
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#define PCIM_PCAP_PMEREQPWR 0x0010
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#define PCIM_PCAP_DEVSPECINIT 0x0020
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#define PCIM_PCAP_DYNCLOCK 0x0040
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#define PCIM_PCAP_SECCLOCK 0x00c0
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#define PCIM_PCAP_CLOCKMASK 0x00c0
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#define PCIM_PCAP_REQFULLCLOCK 0x0100
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#define PCIM_PCAP_D1SUPP 0x0200
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#define PCIM_PCAP_D2SUPP 0x0400
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#define PCIM_PCAP_D0PME 0x1000
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#define PCIM_PCAP_D1PME 0x2000
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#define PCIM_PCAP_D2PME 0x4000
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#define PCIR_POWER_STATUS 0x4
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#define PCIM_PSTAT_D0 0x0000
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#define PCIM_PSTAT_D1 0x0001
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#define PCIM_PSTAT_D2 0x0002
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#define PCIM_PSTAT_D3 0x0003
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#define PCIM_PSTAT_DMASK 0x0003
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#define PCIM_PSTAT_REPENABLE 0x0010
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#define PCIM_PSTAT_PMEENABLE 0x0100
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#define PCIM_PSTAT_D0POWER 0x0000
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#define PCIM_PSTAT_D1POWER 0x0200
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#define PCIM_PSTAT_D2POWER 0x0400
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#define PCIM_PSTAT_D3POWER 0x0600
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#define PCIM_PSTAT_D0HEAT 0x0800
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#define PCIM_PSTAT_D1HEAT 0x1000
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#define PCIM_PSTAT_D2HEAT 0x1200
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#define PCIM_PSTAT_D3HEAT 0x1400
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#define PCIM_PSTAT_DATAUNKN 0x0000
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#define PCIM_PSTAT_DATADIV10 0x2000
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#define PCIM_PSTAT_DATADIV100 0x4000
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#define PCIM_PSTAT_DATADIV1000 0x6000
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#define PCIM_PSTAT_DATADIVMASK 0x6000
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#define PCIM_PSTAT_PME 0x8000
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#define PCIR_POWER_PMCSR 0x6
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#define PCIM_PMCSR_DCLOCK 0x10
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#define PCIM_PMCSR_B2SUPP 0x20
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#define PCIM_BMCSR_B3SUPP 0x40
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#define PCIM_BMCSR_BPCE 0x80
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#define PCIR_POWER_DATA 0x7
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/* VPD capability registers */
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#define PCIR_VPD_ADDR 0x2
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#define PCIR_VPD_DATA 0x4
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/* PCI Message Signalled Interrupts (MSI) */
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#define PCIR_MSI_CTRL 0x2
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#define PCIM_MSICTRL_VECTOR 0x0100
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#define PCIM_MSICTRL_64BIT 0x0080
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#define PCIM_MSICTRL_MME_MASK 0x0070
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#define PCIM_MSICTRL_MME_1 0x0000
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#define PCIM_MSICTRL_MME_2 0x0010
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#define PCIM_MSICTRL_MME_4 0x0020
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#define PCIM_MSICTRL_MME_8 0x0030
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#define PCIM_MSICTRL_MME_16 0x0040
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#define PCIM_MSICTRL_MME_32 0x0050
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#define PCIM_MSICTRL_MMC_MASK 0x000E
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#define PCIM_MSICTRL_MMC_1 0x0000
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#define PCIM_MSICTRL_MMC_2 0x0002
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#define PCIM_MSICTRL_MMC_4 0x0004
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#define PCIM_MSICTRL_MMC_8 0x0006
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#define PCIM_MSICTRL_MMC_16 0x0008
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#define PCIM_MSICTRL_MMC_32 0x000A
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#define PCIM_MSICTRL_MSI_ENABLE 0x0001
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#define PCIR_MSI_ADDR 0x4
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#define PCIR_MSI_ADDR_HIGH 0x8
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#define PCIR_MSI_DATA 0x8
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#define PCIR_MSI_DATA_64BIT 0xc
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#define PCIR_MSI_MASK 0x10
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#define PCIR_MSI_PENDING 0x14
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/* PCI-X definitions */
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/* For header type 0 devices */
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#define PCIXR_COMMAND 0x2
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#define PCIXM_COMMAND_DPERR_E 0x0001 /* Data Parity Error Recovery */
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#define PCIXM_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */
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#define PCIXM_COMMAND_MAX_READ 0x000c /* Maximum Burst Read Count */
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#define PCIXM_COMMAND_MAX_READ_512 0x0000
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#define PCIXM_COMMAND_MAX_READ_1024 0x0004
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#define PCIXM_COMMAND_MAX_READ_2048 0x0008
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#define PCIXM_COMMAND_MAX_READ_4096 0x000c
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#define PCIXM_COMMAND_MAX_SPLITS 0x0070 /* Maximum Split Transactions */
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#define PCIXM_COMMAND_MAX_SPLITS_1 0x0000
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#define PCIXM_COMMAND_MAX_SPLITS_2 0x0010
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#define PCIXM_COMMAND_MAX_SPLITS_3 0x0020
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#define PCIXM_COMMAND_MAX_SPLITS_4 0x0030
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#define PCIXM_COMMAND_MAX_SPLITS_8 0x0040
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#define PCIXM_COMMAND_MAX_SPLITS_12 0x0050
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#define PCIXM_COMMAND_MAX_SPLITS_16 0x0060
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#define PCIXM_COMMAND_MAX_SPLITS_32 0x0070
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#define PCIXM_COMMAND_VERSION 0x3000
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#define PCIXR_STATUS 0x4
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#define PCIXM_STATUS_DEVFN 0x000000FF
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#define PCIXM_STATUS_BUS 0x0000FF00
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#define PCIXM_STATUS_64BIT 0x00010000
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#define PCIXM_STATUS_133CAP 0x00020000
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#define PCIXM_STATUS_SC_DISCARDED 0x00040000
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#define PCIXM_STATUS_UNEXP_SC 0x00080000
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#define PCIXM_STATUS_COMPLEX_DEV 0x00100000
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#define PCIXM_STATUS_MAX_READ 0x00600000
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#define PCIXM_STATUS_MAX_READ_512 0x00000000
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#define PCIXM_STATUS_MAX_READ_1024 0x00200000
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#define PCIXM_STATUS_MAX_READ_2048 0x00400000
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#define PCIXM_STATUS_MAX_READ_4096 0x00600000
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#define PCIXM_STATUS_MAX_SPLITS 0x03800000
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#define PCIXM_STATUS_MAX_SPLITS_1 0x00000000
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#define PCIXM_STATUS_MAX_SPLITS_2 0x00800000
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#define PCIXM_STATUS_MAX_SPLITS_3 0x01000000
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#define PCIXM_STATUS_MAX_SPLITS_4 0x01800000
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#define PCIXM_STATUS_MAX_SPLITS_8 0x02000000
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#define PCIXM_STATUS_MAX_SPLITS_12 0x02800000
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#define PCIXM_STATUS_MAX_SPLITS_16 0x03000000
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#define PCIXM_STATUS_MAX_SPLITS_32 0x03800000
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#define PCIXM_STATUS_MAX_CUM_READ 0x1C000000
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#define PCIXM_STATUS_RCVD_SC_ERR 0x20000000
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#define PCIXM_STATUS_266CAP 0x40000000
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#define PCIXM_STATUS_533CAP 0x80000000
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/* For header type 1 devices (PCI-X bridges) */
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#define PCIXR_SEC_STATUS 0x2
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#define PCIXM_SEC_STATUS_64BIT 0x0001
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#define PCIXM_SEC_STATUS_133CAP 0x0002
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#define PCIXM_SEC_STATUS_SC_DISC 0x0004
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#define PCIXM_SEC_STATUS_UNEXP_SC 0x0008
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#define PCIXM_SEC_STATUS_SC_OVERRUN 0x0010
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#define PCIXM_SEC_STATUS_SR_DELAYED 0x0020
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#define PCIXM_SEC_STATUS_BUS_MODE 0x03c0
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#define PCIXM_SEC_STATUS_VERSION 0x3000
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#define PCIXM_SEC_STATUS_266CAP 0x4000
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#define PCIXM_SEC_STATUS_533CAP 0x8000
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#define PCIXR_BRIDGE_STATUS 0x4
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#define PCIXM_BRIDGE_STATUS_DEVFN 0x000000FF
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#define PCIXM_BRIDGE_STATUS_BUS 0x0000FF00
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#define PCIXM_BRIDGE_STATUS_64BIT 0x00010000
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#define PCIXM_BRIDGE_STATUS_133CAP 0x00020000
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#define PCIXM_BRIDGE_STATUS_SC_DISCARDED 0x00040000
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#define PCIXM_BRIDGE_STATUS_UNEXP_SC 0x00080000
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#define PCIXM_BRIDGE_STATUS_SC_OVERRUN 0x00100000
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#define PCIXM_BRIDGE_STATUS_SR_DELAYED 0x00200000
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#define PCIXM_BRIDGE_STATUS_DEVID_MSGCAP 0x20000000
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#define PCIXM_BRIDGE_STATUS_266CAP 0x40000000
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#define PCIXM_BRIDGE_STATUS_533CAP 0x80000000
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/* HT (HyperTransport) Capability definitions */
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#define PCIR_HT_COMMAND 0x2
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#define PCIM_HTCMD_CAP_MASK 0xf800 /* Capability type. */
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#define PCIM_HTCAP_SLAVE 0x0000 /* 000xx */
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#define PCIM_HTCAP_HOST 0x2000 /* 001xx */
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#define PCIM_HTCAP_SWITCH 0x4000 /* 01000 */
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#define PCIM_HTCAP_INTERRUPT 0x8000 /* 10000 */
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#define PCIM_HTCAP_REVISION_ID 0x8800 /* 10001 */
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#define PCIM_HTCAP_UNITID_CLUMPING 0x9000 /* 10010 */
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#define PCIM_HTCAP_EXT_CONFIG_SPACE 0x9800 /* 10011 */
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#define PCIM_HTCAP_ADDRESS_MAPPING 0xa000 /* 10100 */
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#define PCIM_HTCAP_MSI_MAPPING 0xa800 /* 10101 */
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#define PCIM_HTCAP_DIRECT_ROUTE 0xb000 /* 10110 */
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#define PCIM_HTCAP_VCSET 0xb800 /* 10111 */
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#define PCIM_HTCAP_RETRY_MODE 0xc000 /* 11000 */
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#define PCIM_HTCAP_X86_ENCODING 0xc800 /* 11001 */
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/* HT MSI Mapping Capability definitions. */
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#define PCIM_HTCMD_MSI_ENABLE 0x0001
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#define PCIM_HTCMD_MSI_FIXED 0x0002
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#define PCIR_HTMSI_ADDRESS_LO 0x4
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#define PCIR_HTMSI_ADDRESS_HI 0x8
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/* PCI Vendor capability definitions */
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#define PCIR_VENDOR_LENGTH 0x2
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#define PCIR_VENDOR_DATA 0x3
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/* PCI EHCI Debug Port definitions */
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#define PCIR_DEBUG_PORT 0x2
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#define PCIM_DEBUG_PORT_OFFSET 0x1FFF
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#define PCIM_DEBUG_PORT_BAR 0xe000
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/* PCI-PCI Bridge Subvendor definitions */
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#define PCIR_SUBVENDCAP_ID 0x4
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/* PCI Express definitions */
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#define PCIR_EXPRESS_FLAGS 0x2
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#define PCIM_EXP_FLAGS_VERSION 0x000F
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#define PCIM_EXP_FLAGS_TYPE 0x00F0
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#define PCIM_EXP_TYPE_ENDPOINT 0x0000
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#define PCIM_EXP_TYPE_LEGACY_ENDPOINT 0x0010
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#define PCIM_EXP_TYPE_ROOT_PORT 0x0040
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#define PCIM_EXP_TYPE_UPSTREAM_PORT 0x0050
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#define PCIM_EXP_TYPE_DOWNSTREAM_PORT 0x0060
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#define PCIM_EXP_TYPE_PCI_BRIDGE 0x0070
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#define PCIM_EXP_FLAGS_SLOT 0x0100
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#define PCIM_EXP_FLAGS_IRQ 0x3e00
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/* MSI-X definitions */
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#define PCIR_MSIX_CTRL 0x2
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#define PCIM_MSIXCTRL_MSIX_ENABLE 0x8000
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#define PCIM_MSIXCTRL_FUNCTION_MASK 0x4000
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#define PCIM_MSIXCTRL_TABLE_SIZE 0x07FF
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#define PCIR_MSIX_TABLE 0x4
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#define PCIR_MSIX_PBA 0x8
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#define PCIM_MSIX_BIR_MASK 0x7
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#define PCIM_MSIX_BIR_BAR_10 0
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#define PCIM_MSIX_BIR_BAR_14 1
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#define PCIM_MSIX_BIR_BAR_18 2
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#define PCIM_MSIX_BIR_BAR_1C 3
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#define PCIM_MSIX_BIR_BAR_20 4
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#define PCIM_MSIX_BIR_BAR_24 5
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#define PCIM_MSIX_VCTRL_MASK 0x1
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