/*-
* Copyright (c) 1997, Stefan Esser <se@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
/*
* PCIM_xxx: mask to locate subfield in register
* PCIR_xxx: config register offset
* PCIC_xxx: device class
* PCIS_xxx: device subclass
* PCIP_xxx: device programming interface
* PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
* PCID_xxx: device ID
* PCIY_xxx: capability identification number
* PCIZ_xxx: extended capability identification number
*/
/* some PCI bus constants */
#define PCI_DOMAINMAX 65535 /* highest supported domain number */
#define PCI_BUSMAX 255 /* highest supported bus number */
#define PCI_SLOTMAX 31 /* highest supported slot number */
#define PCI_FUNCMAX 7 /* highest supported function number */
#define PCI_REGMAX 255 /* highest supported config register addr. */
#define PCIE_REGMAX 4095 /* highest supported config register addr. */
#define PCI_MAXHDRTYPE 2
#define PCIE_ARI_SLOTMAX 0
#define PCIE_ARI_FUNCMAX 255
#define PCI_RID_DOMAIN_SHIFT 16
#define PCI_RID_BUS_SHIFT 8
#define PCI_RID_SLOT_SHIFT 3
#define PCI_RID_FUNC_SHIFT 0
#define PCI_RID(bus, slot, func) \
((((bus) & PCI_BUSMAX) << PCI_RID_BUS_SHIFT) | \
(((slot) & PCI_SLOTMAX) << PCI_RID_SLOT_SHIFT) | \
(((func) & PCI_FUNCMAX) << PCI_RID_FUNC_SHIFT))
#define PCI_ARI_RID(bus, func) \
((((bus) & PCI_BUSMAX) << PCI_RID_BUS_SHIFT) | \
(((func) & PCIE_ARI_FUNCMAX) << PCI_RID_FUNC_SHIFT))
#define PCI_RID2BUS(rid) (((rid) >> PCI_RID_BUS_SHIFT) & PCI_BUSMAX)
#define PCI_RID2SLOT(rid) (((rid) >> PCI_RID_SLOT_SHIFT) & PCI_SLOTMAX)
#define PCI_RID2FUNC(rid) (((rid) >> PCI_RID_FUNC_SHIFT) & PCI_FUNCMAX)
#define PCIE_ARI_RID2SLOT(rid) (0)
#define PCIE_ARI_RID2FUNC(rid) \
(((rid) >> PCI_RID_FUNC_SHIFT) & PCIE_ARI_FUNCMAX)
#define PCIE_ARI_SLOT(func) (((func) >> PCI_RID_SLOT_SHIFT) & PCI_SLOTMAX)
#define PCIE_ARI_FUNC(func) (((func) >> PCI_RID_FUNC_SHIFT) & PCI_FUNCMAX)
/* PCI config header registers for all devices */
#define PCIR_DEVVENDOR 0x00
#define PCIR_VENDOR 0x00
#define PCIR_DEVICE 0x02
#define PCIR_COMMAND 0x04
#define PCIM_CMD_PORTEN 0x0001
#define PCIM_CMD_MEMEN 0x0002
#define PCIM_CMD_BUSMASTEREN 0x0004
#define PCIM_CMD_SPECIALEN 0x0008
#define PCIM_CMD_MWRICEN 0x0010
#define PCIM_CMD_PERRESPEN 0x0040
#define PCIM_CMD_SERRESPEN 0x0100
#define PCIM_CMD_BACKTOBACK 0x0200
#define PCIM_CMD_INTxDIS 0x0400
#define PCIR_STATUS 0x06
#define PCIM_STATUS_INTxSTATE 0x0008
#define PCIM_STATUS_CAPPRESENT 0x0010
#define PCIM_STATUS_66CAPABLE 0x0020
#define PCIM_STATUS_BACKTOBACK 0x0080
#define PCIM_STATUS_MDPERR 0x0100
#define PCIM_STATUS_SEL_FAST 0x0000
#define PCIM_STATUS_SEL_MEDIMUM 0x0200
#define PCIM_STATUS_SEL_SLOW 0x0400
#define PCIM_STATUS_SEL_MASK 0x0600
#define PCIM_STATUS_STABORT 0x0800
#define PCIM_STATUS_RTABORT 0x1000
#define PCIM_STATUS_RMABORT 0x2000
#define PCIM_STATUS_SERR 0x4000
#define PCIM_STATUS_PERR 0x8000
#define PCIR_REVID 0x08
#define PCIR_PROGIF 0x09
#define PCIR_SUBCLASS 0x0a
#define PCIR_CLASS 0x0b
#define PCIR_CACHELNSZ 0x0c
#define PCIR_LATTIMER 0x0d
#define PCIR_HDRTYPE 0x0e
#define PCIM_HDRTYPE 0x7f
#define PCIM_HDRTYPE_NORMAL 0x00
#define PCIM_HDRTYPE_BRIDGE 0x01
#define PCIM_HDRTYPE_CARDBUS 0x02
#define PCIM_MFDEV 0x80
#define PCIR_BIST 0x0f
/* Capability Register Offsets */
#define PCICAP_ID 0x0
#define PCICAP_NEXTPTR 0x1
/* Capability Identification Numbers */
#define PCIY_PMG 0x01 /* PCI Power Management */
#define PCIY_AGP 0x02 /* AGP */
#define PCIY_VPD 0x03 /* Vital Product Data */
#define PCIY_SLOTID 0x04 /* Slot Identification */
#define PCIY_MSI 0x05 /* Message Signaled Interrupts */
#define PCIY_CHSWP 0x06 /* CompactPCI Hot Swap */
#define PCIY_PCIX 0x07 /* PCI-X */
#define PCIY_HT 0x08 /* HyperTransport */
#define PCIY_VENDOR 0x09 /* Vendor Unique */
#define PCIY_DEBUG 0x0a /* Debug port */
#define PCIY_CRES 0x0b /* CompactPCI central resource control */
#define PCIY_HOTPLUG 0x0c /* PCI Hot-Plug */
#define PCIY_SUBVENDOR 0x0d /* PCI-PCI bridge subvendor ID */
#define PCIY_AGP8X 0x0e /* AGP 8x */
#define PCIY_SECDEV 0x0f /* Secure Device */
#define PCIY_EXPRESS 0x10 /* PCI Express */
#define PCIY_MSIX 0x11 /* MSI-X */
#define PCIY_SATA 0x12 /* SATA */
#define PCIY_PCIAF 0x13 /* PCI Advanced Features */
/* Extended Capability Register Fields */
#define PCIR_EXTCAP 0x100
#define PCIM_EXTCAP_ID 0x0000ffff
#define PCIM_EXTCAP_VER 0x000f0000
#define PCIM_EXTCAP_NEXTPTR 0xfff00000
#define PCI_EXTCAP_ID(ecap) ((ecap) & PCIM_EXTCAP_ID)
#define PCI_EXTCAP_VER(ecap) (((ecap) & PCIM_EXTCAP_VER) >> 16)
#define PCI_EXTCAP_NEXTPTR(ecap) (((ecap) & PCIM_EXTCAP_NEXTPTR) >> 20)
/* Extended Capability Identification Numbers */
#define PCIZ_AER 0x0001 /* Advanced Error Reporting */
#define PCIZ_VC 0x0002 /* Virtual Channel if MFVC Ext Cap not set */
#define PCIZ_SERNUM 0x0003 /* Device Serial Number */
#define PCIZ_PWRBDGT 0x0004 /* Power Budgeting */
#define PCIZ_RCLINK_DCL 0x0005 /* Root Complex Link Declaration */
#define PCIZ_RCLINK_CTL 0x0006 /* Root Complex Internal Link Control */
#define PCIZ_RCEC_ASSOC 0x0007 /* Root Complex Event Collector Association */
#define PCIZ_MFVC 0x0008 /* Multi-Function Virtual Channel */
#define PCIZ_VC2 0x0009 /* Virtual Channel if MFVC Ext Cap set */
#define PCIZ_RCRB 0x000a /* RCRB Header */
#define PCIZ_VENDOR 0x000b /* Vendor Unique */
#define PCIZ_CAC 0x000c /* Configuration Access Correction -- obsolete */
#define PCIZ_ACS 0x000d /* Access Control Services */
#define PCIZ_ARI 0x000e /* Alternative Routing-ID Interpretation */
#define PCIZ_ATS 0x000f /* Address Translation Services */
#define PCIZ_SRIOV 0x0010 /* Single Root IO Virtualization */
#define PCIZ_MRIOV 0x0011 /* Multiple Root IO Virtualization */
#define PCIZ_MULTICAST 0x0012 /* Multicast */
#define PCIZ_PAGE_REQ 0x0013 /* Page Request */
#define PCIZ_AMD 0x0014 /* Reserved for AMD */
#define PCIZ_RESIZE_BAR 0x0015 /* Resizable BAR */
#define PCIZ_DPA 0x0016 /* Dynamic Power Allocation */
#define PCIZ_TPH_REQ 0x0017 /* TPH Requester */
#define PCIZ_LTR 0x0018 /* Latency Tolerance Reporting */
#define PCIZ_SEC_PCIE 0x0019 /* Secondary PCI Express */
#define PCIZ_PMUX 0x001a /* Protocol Multiplexing */
#define PCIZ_PASID 0x001b /* Process Address Space ID */
#define PCIZ_LN_REQ 0x001c /* LN Requester */
#define PCIZ_DPC 0x001d /* Downstream Porto Containment */
#define PCIZ_L1PM 0x001e /* L1 PM Substates */
/* config registers for header type 0 devices */
#define PCIR_BARS 0x10
#define PCIR_BAR(x) (PCIR_BARS + (x) * 4)
#define PCIR_MAX_BAR_0 5
#define PCI_RID2BAR(rid) (((rid) - PCIR_BARS) / 4)
#define PCI_BAR_IO(x) (((x) & PCIM_BAR_SPACE) == PCIM_BAR_IO_SPACE)
#define PCI_BAR_MEM(x) (((x) & PCIM_BAR_SPACE) == PCIM_BAR_MEM_SPACE)
#define PCIM_BAR_SPACE 0x00000001
#define PCIM_BAR_MEM_SPACE 0
#define PCIM_BAR_IO_SPACE 1
#define PCIM_BAR_MEM_TYPE 0x00000006
#define PCIM_BAR_MEM_32 0
#define PCIM_BAR_MEM_1MB 2 /* Locate below 1MB in PCI <= 2.1 */
#define PCIM_BAR_MEM_64 4
#define PCIM_BAR_MEM_PREFETCH 0x00000008
#define PCIM_BAR_MEM_BASE 0xfffffffffffffff0ULL
#define PCIM_BAR_IO_RESERVED 0x00000002
#define PCIM_BAR_IO_BASE 0xfffffffc
#define PCIR_CIS 0x28
#define PCIM_CIS_ASI_MASK 0x00000007
#define PCIM_CIS_ASI_CONFIG 0
#define PCIM_CIS_ASI_BAR0 1
#define PCIM_CIS_ASI_BAR1 2
#define PCIM_CIS_ASI_BAR2 3
#define PCIM_CIS_ASI_BAR3 4
#define PCIM_CIS_ASI_BAR4 5
#define PCIM_CIS_ASI_BAR5 6
#define PCIM_CIS_ASI_ROM 7
#define PCIM_CIS_ADDR_MASK 0x0ffffff8
#define PCIM_CIS_ROM_MASK 0xf0000000
#define PCIM_CIS_CONFIG_MASK 0xff
#define PCIR_SUBVEND_0 0x2c
#define PCIR_SUBDEV_0 0x2e
#define PCIR_BIOS 0x30
#define PCIM_BIOS_ENABLE 0x01
#define PCIM_BIOS_ADDR_MASK 0xfffff800
#define PCIR_CAP_PTR 0x34
#define PCIR_INTLINE 0x3c
#define PCIR_INTPIN 0x3d
#define PCIR_MINGNT 0x3e
#define PCIR_MAXLAT 0x3f
/* config registers for header type 1 (PCI-to-PCI bridge) devices */
#define PCIR_MAX_BAR_1 1
#define PCIR_SECSTAT_1 0x1e
#define PCIR_PRIBUS_1 0x18
#define PCIR_SECBUS_1 0x19
#define PCIR_SUBBUS_1 0x1a
#define PCIR_SECLAT_1 0x1b
#define PCIR_IOBASEL_1 0x1c
#define PCIR_IOLIMITL_1 0x1d
#define PCIR_IOBASEH_1 0x30
#define PCIR_IOLIMITH_1 0x32
#define PCIM_BRIO_16 0x0
#define PCIM_BRIO_32 0x1
#define PCIM_BRIO_MASK 0xf
#define PCIR_MEMBASE_1 0x20
#define PCIR_MEMLIMIT_1 0x22
#define PCIR_PMBASEL_1 0x24
#define PCIR_PMLIMITL_1 0x26
#define PCIR_PMBASEH_1 0x28
#define PCIR_PMLIMITH_1 0x2c
#define PCIM_BRPM_32 0x0
#define PCIM_BRPM_64 0x1
#define PCIM_BRPM_MASK 0xf
#define PCIR_BIOS_1 0x38
#define PCIR_BRIDGECTL_1 0x3e
/* config registers for header type 2 (CardBus) devices */
#define PCIR_MAX_BAR_2 0
#define PCIR_CAP_PTR_2 0x14
#define PCIR_SECSTAT_2 0x16
#define PCIR_PRIBUS_2 0x18
#define PCIR_SECBUS_2 0x19
#define PCIR_SUBBUS_2 0x1a
#define PCIR_SECLAT_2 0x1b
#define PCIR_MEMBASE0_2 0x1c
#define PCIR_MEMLIMIT0_2 0x20
#define PCIR_MEMBASE1_2 0x24
#define PCIR_MEMLIMIT1_2 0x28
#define PCIR_IOBASE0_2 0x2c
#define PCIR_IOLIMIT0_2 0x30
#define PCIR_IOBASE1_2 0x34
#define PCIR_IOLIMIT1_2 0x38
#define PCIR_BRIDGECTL_2 0x3e
#define PCIR_SUBVEND_2 0x40
#define PCIR_SUBDEV_2 0x42
#define PCIR_PCCARDIF_2 0x44
/* PCI device class, subclass and programming interface definitions */
#define PCIC_OLD 0x00
#define PCIS_OLD_NONVGA 0x00
#define PCIS_OLD_VGA 0x01
#define PCIC_STORAGE 0x01
#define PCIS_STORAGE_SCSI 0x00
#define PCIS_STORAGE_IDE 0x01
#define PCIP_STORAGE_IDE_MODEPRIM 0x01
#define PCIP_STORAGE_IDE_PROGINDPRIM 0x02
#define PCIP_STORAGE_IDE_MODESEC 0x04
#define PCIP_STORAGE_IDE_PROGINDSEC 0x08
#define PCIP_STORAGE_IDE_MASTERDEV 0x80
#define PCIS_STORAGE_FLOPPY 0x02
#define PCIS_STORAGE_IPI 0x03
#define PCIS_STORAGE_RAID 0x04
#define PCIS_STORAGE_ATA_ADMA 0x05
#define PCIS_STORAGE_SATA 0x06
#define PCIP_STORAGE_SATA_AHCI_1_0 0x01
#define PCIS_STORAGE_SAS 0x07
#define PCIS_STORAGE_NVM 0x08
#define PCIP_STORAGE_NVM_NVMHCI_1_0 0x01
#define PCIP_STORAGE_NVM_ENTERPRISE_NVMHCI_1_0 0x02
#define PCIS_STORAGE_OTHER 0x80
#define PCIC_NETWORK 0x02
#define PCIS_NETWORK_ETHERNET 0x00
#define PCIS_NETWORK_TOKENRING 0x01
#define PCIS_NETWORK_FDDI 0x02
#define PCIS_NETWORK_ATM 0x03
#define PCIS_NETWORK_ISDN 0x04
#define PCIS_NETWORK_WORLDFIP 0x05
#define PCIS_NETWORK_PICMG 0x06
#define PCIS_NETWORK_OTHER 0x80
#define PCIC_DISPLAY 0x03
#define PCIS_DISPLAY_VGA 0x00
#define PCIS_DISPLAY_XGA 0x01
#define PCIS_DISPLAY_3D 0x02
#define PCIS_DISPLAY_OTHER 0x80
#define PCIC_MULTIMEDIA 0x04
#define PCIS_MULTIMEDIA_VIDEO 0x00
#define PCIS_MULTIMEDIA_AUDIO 0x01
#define PCIS_MULTIMEDIA_TELE 0x02
#define PCIS_MULTIMEDIA_HDA 0x03
#define PCIS_MULTIMEDIA_OTHER 0x80
#define PCIC_MEMORY 0x05
#define PCIS_MEMORY_RAM 0x00
#define PCIS_MEMORY_FLASH 0x01
#define PCIS_MEMORY_OTHER 0x80
#define PCIC_BRIDGE 0x06
#define PCIS_BRIDGE_HOST 0x00
#define PCIS_BRIDGE_ISA 0x01
#define PCIS_BRIDGE_EISA 0x02
#define PCIS_BRIDGE_MCA 0x03
#define PCIS_BRIDGE_PCI 0x04
#define PCIP_BRIDGE_PCI_SUBTRACTIVE 0x01
#define PCIS_BRIDGE_PCMCIA 0x05
#define PCIS_BRIDGE_NUBUS 0x06
#define PCIS_BRIDGE_CARDBUS 0x07
#define PCIS_BRIDGE_RACEWAY 0x08
#define PCIS_BRIDGE_PCI_TRANSPARENT 0x09
#define PCIS_BRIDGE_INFINIBAND 0x0a
#define PCIS_BRIDGE_OTHER 0x80
#define PCIC_SIMPLECOMM 0x07
#define PCIS_SIMPLECOMM_UART 0x00
#define PCIP_SIMPLECOMM_UART_8250 0x00
#define PCIP_SIMPLECOMM_UART_16450A 0x01
#define PCIP_SIMPLECOMM_UART_16550A 0x02
#define PCIP_SIMPLECOMM_UART_16650A 0x03
#define PCIP_SIMPLECOMM_UART_16750A 0x04
#define PCIP_SIMPLECOMM_UART_16850A 0x05
#define PCIP_SIMPLECOMM_UART_16950A 0x06
#define PCIS_SIMPLECOMM_PAR 0x01
#define PCIS_SIMPLECOMM_MULSER 0x02
#define PCIS_SIMPLECOMM_MODEM 0x03
#define PCIS_SIMPLECOMM_GPIB 0x04
#define PCIS_SIMPLECOMM_SMART_CARD 0x05
#define PCIS_SIMPLECOMM_OTHER 0x80
#define PCIC_BASEPERIPH 0x08
#define PCIS_BASEPERIPH_PIC 0x00
#define PCIP_BASEPERIPH_PIC_8259A 0x00
#define PCIP_BASEPERIPH_PIC_ISA 0x01
#define PCIP_BASEPERIPH_PIC_EISA 0x02
#define PCIP_BASEPERIPH_PIC_IO_APIC 0x10
#define PCIP_BASEPERIPH_PIC_IOX_APIC 0x20
#define PCIS_BASEPERIPH_DMA 0x01
#define PCIS_BASEPERIPH_TIMER 0x02
#define PCIS_BASEPERIPH_RTC 0x03
#define PCIS_BASEPERIPH_PCIHOT 0x04
#define PCIS_BASEPERIPH_SDHC 0x05
#define PCIS_BASEPERIPH_IOMMU 0x06
#define PCIS_BASEPERIPH_OTHER 0x80
#define PCIC_INPUTDEV 0x09
#define PCIS_INPUTDEV_KEYBOARD 0x00
#define PCIS_INPUTDEV_DIGITIZER 0x01
#define PCIS_INPUTDEV_MOUSE 0x02
#define PCIS_INPUTDEV_SCANNER 0x03
#define PCIS_INPUTDEV_GAMEPORT 0x04
#define PCIS_INPUTDEV_OTHER 0x80
#define PCIC_DOCKING 0x0a
#define PCIS_DOCKING_GENERIC 0x00
#define PCIS_DOCKING_OTHER 0x80
#define PCIC_PROCESSOR 0x0b
#define PCIS_PROCESSOR_386 0x00
#define PCIS_PROCESSOR_486 0x01
#define PCIS_PROCESSOR_PENTIUM 0x02
#define PCIS_PROCESSOR_ALPHA 0x10
#define PCIS_PROCESSOR_POWERPC 0x20
#define PCIS_PROCESSOR_MIPS 0x30
#define PCIS_PROCESSOR_COPROC 0x40
#define PCIC_SERIALBUS 0x0c
#define PCIS_SERIALBUS_FW 0x00
#define PCIS_SERIALBUS_ACCESS 0x01
#define PCIS_SERIALBUS_SSA 0x02
#define PCIS_SERIALBUS_USB 0x03
#define PCIP_SERIALBUS_USB_UHCI 0x00
#define PCIP_SERIALBUS_USB_OHCI 0x10
#define PCIP_SERIALBUS_USB_EHCI 0x20
#define PCIP_SERIALBUS_USB_XHCI 0x30
#define PCIP_SERIALBUS_USB_DEVICE 0xfe
#define PCIS_SERIALBUS_FC 0x04
#define PCIS_SERIALBUS_SMBUS 0x05
#define PCIS_SERIALBUS_INFINIBAND 0x06
#define PCIS_SERIALBUS_IPMI 0x07
#define PCIP_SERIALBUS_IPMI_SMIC 0x00
#define PCIP_SERIALBUS_IPMI_KCS 0x01
#define PCIP_SERIALBUS_IPMI_BT 0x02
#define PCIS_SERIALBUS_SERCOS 0x08
#define PCIS_SERIALBUS_CANBUS 0x09
#define PCIC_WIRELESS 0x0d
#define PCIS_WIRELESS_IRDA 0x00
#define PCIS_WIRELESS_IR 0x01
#define PCIS_WIRELESS_RF 0x10
#define PCIS_WIRELESS_BLUETOOTH 0x11
#define PCIS_WIRELESS_BROADBAND 0x12
#define PCIS_WIRELESS_80211A 0x20
#define PCIS_WIRELESS_80211B 0x21
#define PCIS_WIRELESS_OTHER 0x80
#define PCIC_INTELLIIO 0x0e
#define PCIS_INTELLIIO_I2O 0x00
#define PCIC_SATCOM 0x0f
#define PCIS_SATCOM_TV 0x01
#define PCIS_SATCOM_AUDIO 0x02
#define PCIS_SATCOM_VOICE 0x03
#define PCIS_SATCOM_DATA 0x04
#define PCIC_CRYPTO 0x10
#define PCIS_CRYPTO_NETCOMP 0x00
#define PCIS_CRYPTO_ENTERTAIN 0x10
#define PCIS_CRYPTO_OTHER 0x80
#define PCIC_DASP 0x11
#define PCIS_DASP_DPIO 0x00
#define PCIS_DASP_PERFCNTRS 0x01
#define PCIS_DASP_COMM_SYNC 0x10
#define PCIS_DASP_MGMT_CARD 0x20
#define PCIS_DASP_OTHER 0x80
#define PCIC_OTHER 0xff
/* Bridge Control Values. */
#define PCIB_BCR_PERR_ENABLE 0x0001
#define PCIB_BCR_SERR_ENABLE 0x0002
#define PCIB_BCR_ISA_ENABLE 0x0004
#define PCIB_BCR_VGA_ENABLE 0x0008
#define PCIB_BCR_MASTER_ABORT_MODE 0x0020
#define PCIB_BCR_SECBUS_RESET 0x0040
#define PCIB_BCR_SECBUS_BACKTOBACK 0x0080
#define PCIB_BCR_PRI_DISCARD_TIMEOUT 0x0100
#define PCIB_BCR_SEC_DISCARD_TIMEOUT 0x0200
#define PCIB_BCR_DISCARD_TIMER_STATUS 0x0400
#define PCIB_BCR_DISCARD_TIMER_SERREN 0x0800
/* PCI power manangement */
#define PCIR_POWER_CAP 0x2
#define PCIM_PCAP_SPEC 0x0007
#define PCIM_PCAP_PMEREQCLK 0x0008
#define PCIM_PCAP_DEVSPECINIT 0x0020
#define PCIM_PCAP_AUXPWR_0 0x0000
#define PCIM_PCAP_AUXPWR_55 0x0040
#define PCIM_PCAP_AUXPWR_100 0x0080
#define PCIM_PCAP_AUXPWR_160 0x00c0
#define PCIM_PCAP_AUXPWR_220 0x0100
#define PCIM_PCAP_AUXPWR_270 0x0140
#define PCIM_PCAP_AUXPWR_320 0x0180
#define PCIM_PCAP_AUXPWR_375 0x01c0
#define PCIM_PCAP_AUXPWRMASK 0x01c0
#define PCIM_PCAP_D1SUPP 0x0200
#define PCIM_PCAP_D2SUPP 0x0400
#define PCIM_PCAP_D0PME 0x0800
#define PCIM_PCAP_D1PME 0x1000
#define PCIM_PCAP_D2PME 0x2000
#define PCIM_PCAP_D3PME_HOT 0x4000
#define PCIM_PCAP_D3PME_COLD 0x8000
#define PCIR_POWER_STATUS 0x4
#define PCIM_PSTAT_D0 0x0000
#define PCIM_PSTAT_D1 0x0001
#define PCIM_PSTAT_D2 0x0002
#define PCIM_PSTAT_D3 0x0003
#define PCIM_PSTAT_DMASK 0x0003
#define PCIM_PSTAT_NOSOFTRESET 0x0008
#define PCIM_PSTAT_PMEENABLE 0x0100
#define PCIM_PSTAT_D0POWER 0x0000
#define PCIM_PSTAT_D1POWER 0x0200
#define PCIM_PSTAT_D2POWER 0x0400
#define PCIM_PSTAT_D3POWER 0x0600
#define PCIM_PSTAT_D0HEAT 0x0800
#define PCIM_PSTAT_D1HEAT 0x0a00
#define PCIM_PSTAT_D2HEAT 0x0c00
#define PCIM_PSTAT_D3HEAT 0x0e00
#define PCIM_PSTAT_DATASELMASK 0x1e00
#define PCIM_PSTAT_DATAUNKN 0x0000
#define PCIM_PSTAT_DATADIV10 0x2000
#define PCIM_PSTAT_DATADIV100 0x4000
#define PCIM_PSTAT_DATADIV1000 0x6000
#define PCIM_PSTAT_DATADIVMASK 0x6000
#define PCIM_PSTAT_PME 0x8000
#define PCIR_POWER_BSE 0x6
#define PCIM_PMCSR_BSE_D3B3 0x00
#define PCIM_PMCSR_BSE_D3B2 0x40
#define PCIM_PMCSR_BSE_BPCCE 0x80
#define PCIR_POWER_DATA 0x7
/* VPD capability registers */
#define PCIR_VPD_ADDR 0x2
#define PCIR_VPD_DATA 0x4
/* PCI Message Signalled Interrupts (MSI) */
#define PCIR_MSI_CTRL 0x2
#define PCIM_MSICTRL_VECTOR 0x0100
#define PCIM_MSICTRL_64BIT 0x0080
#define PCIM_MSICTRL_MME_MASK 0x0070
#define PCIM_MSICTRL_MME_1 0x0000
#define PCIM_MSICTRL_MME_2 0x0010
#define PCIM_MSICTRL_MME_4 0x0020
#define PCIM_MSICTRL_MME_8 0x0030
#define PCIM_MSICTRL_MME_16 0x0040
#define PCIM_MSICTRL_MME_32 0x0050
#define PCIM_MSICTRL_MMC_MASK 0x000E
#define PCIM_MSICTRL_MMC_1 0x0000
#define PCIM_MSICTRL_MMC_2 0x0002
#define PCIM_MSICTRL_MMC_4 0x0004
#define PCIM_MSICTRL_MMC_8 0x0006
#define PCIM_MSICTRL_MMC_16 0x0008
#define PCIM_MSICTRL_MMC_32 0x000A
#define PCIM_MSICTRL_MSI_ENABLE 0x0001
#define PCIR_MSI_ADDR 0x4
#define PCIR_MSI_ADDR_HIGH 0x8
#define PCIR_MSI_DATA 0x8
#define PCIR_MSI_DATA_64BIT 0xc
#define PCIR_MSI_MASK 0x10
#define PCIR_MSI_PENDING 0x14
/* PCI-X definitions */
/* For header type 0 devices */
#define PCIXR_COMMAND 0x2
#define PCIXM_COMMAND_DPERR_E 0x0001 /* Data Parity Error Recovery */
#define PCIXM_COMMAND_ERO 0x0002 /* Enable Relaxed Ordering */
#define PCIXM_COMMAND_MAX_READ 0x000c /* Maximum Burst Read Count */
#define PCIXM_COMMAND_MAX_READ_512 0x0000
#define PCIXM_COMMAND_MAX_READ_1024 0x0004
#define PCIXM_COMMAND_MAX_READ_2048 0x0008
#define PCIXM_COMMAND_MAX_READ_4096 0x000c
#define PCIXM_COMMAND_MAX_SPLITS 0x0070 /* Maximum Split Transactions */
#define PCIXM_COMMAND_MAX_SPLITS_1 0x0000
#define PCIXM_COMMAND_MAX_SPLITS_2 0x0010
#define PCIXM_COMMAND_MAX_SPLITS_3 0x0020
#define PCIXM_COMMAND_MAX_SPLITS_4 0x0030
#define PCIXM_COMMAND_MAX_SPLITS_8 0x0040
#define PCIXM_COMMAND_MAX_SPLITS_12 0x0050
#define PCIXM_COMMAND_MAX_SPLITS_16 0x0060
#define PCIXM_COMMAND_MAX_SPLITS_32 0x0070
#define PCIXM_COMMAND_VERSION 0x3000
#define PCIXR_STATUS 0x4
#define PCIXM_STATUS_DEVFN 0x000000FF
#define PCIXM_STATUS_BUS 0x0000FF00
#define PCIXM_STATUS_64BIT 0x00010000
#define PCIXM_STATUS_133CAP 0x00020000
#define PCIXM_STATUS_SC_DISCARDED 0x00040000
#define PCIXM_STATUS_UNEXP_SC 0x00080000
#define PCIXM_STATUS_COMPLEX_DEV 0x00100000
#define PCIXM_STATUS_MAX_READ 0x00600000
#define PCIXM_STATUS_MAX_READ_512 0x00000000
#define PCIXM_STATUS_MAX_READ_1024 0x00200000
#define PCIXM_STATUS_MAX_READ_2048 0x00400000
#define PCIXM_STATUS_MAX_READ_4096 0x00600000
#define PCIXM_STATUS_MAX_SPLITS 0x03800000
#define PCIXM_STATUS_MAX_SPLITS_1 0x00000000
#define PCIXM_STATUS_MAX_SPLITS_2 0x00800000
#define PCIXM_STATUS_MAX_SPLITS_3 0x01000000
#define PCIXM_STATUS_MAX_SPLITS_4 0x01800000
#define PCIXM_STATUS_MAX_SPLITS_8 0x02000000
#define PCIXM_STATUS_MAX_SPLITS_12 0x02800000
#define PCIXM_STATUS_MAX_SPLITS_16 0x03000000
#define PCIXM_STATUS_MAX_SPLITS_32 0x03800000
#define PCIXM_STATUS_MAX_CUM_READ 0x1C000000
#define PCIXM_STATUS_RCVD_SC_ERR 0x20000000
#define PCIXM_STATUS_266CAP 0x40000000
#define PCIXM_STATUS_533CAP 0x80000000
/* For header type 1 devices (PCI-X bridges) */
#define PCIXR_SEC_STATUS 0x2
#define PCIXM_SEC_STATUS_64BIT 0x0001
#define PCIXM_SEC_STATUS_133CAP 0x0002
#define PCIXM_SEC_STATUS_SC_DISC 0x0004
#define PCIXM_SEC_STATUS_UNEXP_SC 0x0008
#define PCIXM_SEC_STATUS_SC_OVERRUN 0x0010
#define PCIXM_SEC_STATUS_SR_DELAYED 0x0020
#define PCIXM_SEC_STATUS_BUS_MODE 0x03c0
#define PCIXM_SEC_STATUS_VERSION 0x3000
#define PCIXM_SEC_STATUS_266CAP 0x4000
#define PCIXM_SEC_STATUS_533CAP 0x8000
#define PCIXR_BRIDGE_STATUS 0x4
#define PCIXM_BRIDGE_STATUS_DEVFN 0x000000FF
#define PCIXM_BRIDGE_STATUS_BUS 0x0000FF00
#define PCIXM_BRIDGE_STATUS_64BIT 0x00010000
#define PCIXM_BRIDGE_STATUS_133CAP 0x00020000
#define PCIXM_BRIDGE_STATUS_SC_DISCARDED 0x00040000
#define PCIXM_BRIDGE_STATUS_UNEXP_SC 0x00080000
#define PCIXM_BRIDGE_STATUS_SC_OVERRUN 0x00100000
#define PCIXM_BRIDGE_STATUS_SR_DELAYED 0x00200000
#define PCIXM_BRIDGE_STATUS_DEVID_MSGCAP 0x20000000
#define PCIXM_BRIDGE_STATUS_266CAP 0x40000000
#define PCIXM_BRIDGE_STATUS_533CAP 0x80000000
/* HT (HyperTransport) Capability definitions */
#define PCIR_HT_COMMAND 0x2
#define PCIM_HTCMD_CAP_MASK 0xf800 /* Capability type. */
#define PCIM_HTCAP_SLAVE 0x0000 /* 000xx */
#define PCIM_HTCAP_HOST 0x2000 /* 001xx */
#define PCIM_HTCAP_SWITCH 0x4000 /* 01000 */
#define PCIM_HTCAP_INTERRUPT 0x8000 /* 10000 */
#define PCIM_HTCAP_REVISION_ID 0x8800 /* 10001 */
#define PCIM_HTCAP_UNITID_CLUMPING 0x9000 /* 10010 */
#define PCIM_HTCAP_EXT_CONFIG_SPACE 0x9800 /* 10011 */
#define PCIM_HTCAP_ADDRESS_MAPPING 0xa000 /* 10100 */
#define PCIM_HTCAP_MSI_MAPPING 0xa800 /* 10101 */
#define PCIM_HTCAP_DIRECT_ROUTE 0xb000 /* 10110 */
#define PCIM_HTCAP_VCSET 0xb800 /* 10111 */
#define PCIM_HTCAP_RETRY_MODE 0xc000 /* 11000 */
#define PCIM_HTCAP_X86_ENCODING 0xc800 /* 11001 */
#define PCIM_HTCAP_GEN3 0xd000 /* 11010 */
#define PCIM_HTCAP_FLE 0xd800 /* 11011 */
#define PCIM_HTCAP_PM 0xe000 /* 11100 */
#define PCIM_HTCAP_HIGH_NODE_COUNT 0xe800 /* 11101 */
/* HT MSI Mapping Capability definitions. */
#define PCIM_HTCMD_MSI_ENABLE 0x0001
#define PCIM_HTCMD_MSI_FIXED 0x0002
#define PCIR_HTMSI_ADDRESS_LO 0x4
#define PCIR_HTMSI_ADDRESS_HI 0x8
/* PCI Vendor capability definitions */
#define PCIR_VENDOR_LENGTH 0x2
#define PCIR_VENDOR_DATA 0x3
/* PCI EHCI Debug Port definitions */
#define PCIR_DEBUG_PORT 0x2
#define PCIM_DEBUG_PORT_OFFSET 0x1FFF
#define PCIM_DEBUG_PORT_BAR 0xe000
/* PCI-PCI Bridge Subvendor definitions */
#define PCIR_SUBVENDCAP_ID 0x4
/* PCI Express definitions */
#define PCIER_FLAGS 0x2
#define PCIEM_FLAGS_VERSION 0x000F
#define PCIEM_FLAGS_TYPE 0x00F0
#define PCIEM_TYPE_ENDPOINT 0x0000
#define PCIEM_TYPE_LEGACY_ENDPOINT 0x0010
#define PCIEM_TYPE_ROOT_PORT 0x0040
#define PCIEM_TYPE_UPSTREAM_PORT 0x0050
#define PCIEM_TYPE_DOWNSTREAM_PORT 0x0060
#define PCIEM_TYPE_PCI_BRIDGE 0x0070
#define PCIEM_TYPE_PCIE_BRIDGE 0x0080
#define PCIEM_TYPE_ROOT_INT_EP 0x0090
#define PCIEM_TYPE_ROOT_EC 0x00a0
#define PCIEM_FLAGS_SLOT 0x0100
#define PCIEM_FLAGS_IRQ 0x3e00
#define PCIER_DEVICE_CAP 0x4
#define PCIEM_CAP_MAX_PAYLOAD 0x00000007
#define PCIEM_CAP_PHANTHOM_FUNCS 0x00000018
#define PCIEM_CAP_EXT_TAG_FIELD 0x00000020
#define PCIEM_CAP_L0S_LATENCY 0x000001c0
#define PCIEM_CAP_L1_LATENCY 0x00000e00
#define PCIEM_CAP_ROLE_ERR_RPT 0x00008000
#define PCIEM_CAP_SLOT_PWR_LIM_VAL 0x03fc0000
#define PCIEM_CAP_SLOT_PWR_LIM_SCALE 0x0c000000
#define PCIEM_CAP_FLR 0x10000000
#define PCIER_DEVICE_CTL 0x8
#define PCIEM_CTL_COR_ENABLE 0x0001
#define PCIEM_CTL_NFER_ENABLE 0x0002
#define PCIEM_CTL_FER_ENABLE 0x0004
#define PCIEM_CTL_URR_ENABLE 0x0008
#define PCIEM_CTL_RELAXED_ORD_ENABLE 0x0010
#define PCIEM_CTL_MAX_PAYLOAD 0x00e0
#define PCIEM_CTL_EXT_TAG_FIELD 0x0100
#define PCIEM_CTL_PHANTHOM_FUNCS 0x0200
#define PCIEM_CTL_AUX_POWER_PM 0x0400
#define PCIEM_CTL_NOSNOOP_ENABLE 0x0800
#define PCIEM_CTL_MAX_READ_REQUEST 0x7000
#define PCIEM_CTL_BRDG_CFG_RETRY 0x8000 /* PCI-E - PCI/PCI-X bridges */
#define PCIEM_CTL_INITIATE_FLR 0x8000 /* FLR capable endpoints */
#define PCIER_DEVICE_STA 0xa
#define PCIEM_STA_CORRECTABLE_ERROR 0x0001
#define PCIEM_STA_NON_FATAL_ERROR 0x0002
#define PCIEM_STA_FATAL_ERROR 0x0004
#define PCIEM_STA_UNSUPPORTED_REQ 0x0008
#define PCIEM_STA_AUX_POWER 0x0010
#define PCIEM_STA_TRANSACTION_PND 0x0020
#define PCIER_LINK_CAP 0xc
#define PCIEM_LINK_CAP_MAX_SPEED 0x0000000f
#define PCIEM_LINK_CAP_MAX_WIDTH 0x000003f0
#define PCIEM_LINK_CAP_ASPM 0x00000c00
#define PCIEM_LINK_CAP_L0S_EXIT 0x00007000
#define PCIEM_LINK_CAP_L1_EXIT 0x00038000
#define PCIEM_LINK_CAP_CLOCK_PM 0x00040000
#define PCIEM_LINK_CAP_SURPRISE_DOWN 0x00080000
#define PCIEM_LINK_CAP_DL_ACTIVE 0x00100000
#define PCIEM_LINK_CAP_LINK_BW_NOTIFY 0x00200000
#define PCIEM_LINK_CAP_ASPM_COMPLIANCE 0x00400000
#define PCIEM_LINK_CAP_PORT 0xff000000
#define PCIER_LINK_CTL 0x10
#define PCIEM_LINK_CTL_ASPMC_DIS 0x0000
#define PCIEM_LINK_CTL_ASPMC_L0S 0x0001
#define PCIEM_LINK_CTL_ASPMC_L1 0x0002
#define PCIEM_LINK_CTL_ASPMC 0x0003
#define PCIEM_LINK_CTL_RCB 0x0008
#define PCIEM_LINK_CTL_LINK_DIS 0x0010
#define PCIEM_LINK_CTL_RETRAIN_LINK 0x0020
#define PCIEM_LINK_CTL_COMMON_CLOCK 0x0040
#define PCIEM_LINK_CTL_EXTENDED_SYNC 0x0080
#define PCIEM_LINK_CTL_ECPM 0x0100
#define PCIEM_LINK_CTL_HAWD 0x0200
#define PCIEM_LINK_CTL_LBMIE 0x0400
#define PCIEM_LINK_CTL_LABIE 0x0800
#define PCIER_LINK_STA 0x12
#define PCIEM_LINK_STA_SPEED 0x000f
#define PCIEM_LINK_STA_WIDTH 0x03f0
#define PCIEM_LINK_STA_TRAINING_ERROR 0x0400
#define PCIEM_LINK_STA_TRAINING 0x0800
#define PCIEM_LINK_STA_SLOT_CLOCK 0x1000
#define PCIEM_LINK_STA_DL_ACTIVE 0x2000
#define PCIEM_LINK_STA_LINK_BW_MGMT 0x4000
#define PCIEM_LINK_STA_LINK_AUTO_BW 0x8000
#define PCIER_SLOT_CAP 0x14
#define PCIEM_SLOT_CAP_APB 0x00000001
#define PCIEM_SLOT_CAP_PCP 0x00000002
#define PCIEM_SLOT_CAP_MRLSP 0x00000004
#define PCIEM_SLOT_CAP_AIP 0x00000008
#define PCIEM_SLOT_CAP_PIP 0x00000010
#define PCIEM_SLOT_CAP_HPS 0x00000020
#define PCIEM_SLOT_CAP_HPC 0x00000040
#define PCIEM_SLOT_CAP_SPLV 0x00007f80
#define PCIEM_SLOT_CAP_SPLS 0x00018000
#define PCIEM_SLOT_CAP_EIP 0x00020000
#define PCIEM_SLOT_CAP_NCCS 0x00040000
#define PCIEM_SLOT_CAP_PSN 0xfff80000
#define PCIER_SLOT_CTL 0x18
#define PCIEM_SLOT_CTL_ABPE 0x0001
#define PCIEM_SLOT_CTL_PFDE 0x0002
#define PCIEM_SLOT_CTL_MRLSCE 0x0004
#define PCIEM_SLOT_CTL_PDCE 0x0008
#define PCIEM_SLOT_CTL_CCIE 0x0010
#define PCIEM_SLOT_CTL_HPIE 0x0020
#define PCIEM_SLOT_CTL_AIC 0x00c0
#define PCIEM_SLOT_CTL_PIC 0x0300
#define PCIEM_SLOT_CTL_PCC 0x0400
#define PCIEM_SLOT_CTL_EIC 0x0800
#define PCIEM_SLOT_CTL_DLLSCE 0x1000
#define PCIER_SLOT_STA 0x1a
#define PCIEM_SLOT_STA_ABP 0x0001
#define PCIEM_SLOT_STA_PFD 0x0002
#define PCIEM_SLOT_STA_MRLSC 0x0004
#define PCIEM_SLOT_STA_PDC 0x0008
#define PCIEM_SLOT_STA_CC 0x0010
#define PCIEM_SLOT_STA_MRLSS 0x0020
#define PCIEM_SLOT_STA_PDS 0x0040
#define PCIEM_SLOT_STA_EIS 0x0080
#define PCIEM_SLOT_STA_DLLSC 0x0100
#define PCIER_ROOT_CTL 0x1c
#define PCIEM_ROOT_CTL_SERR_CORR 0x0001
#define PCIEM_ROOT_CTL_SERR_NONFATAL 0x0002
#define PCIEM_ROOT_CTL_SERR_FATAL 0x0004
#define PCIEM_ROOT_CTL_PME 0x0008
#define PCIEM_ROOT_CTL_CRS_VIS 0x0010
#define PCIER_ROOT_CAP 0x1e
#define PCIEM_ROOT_CAP_CRS_VIS 0x0001
#define PCIER_ROOT_STA 0x20
#define PCIEM_ROOT_STA_PME_REQID_MASK 0x0000ffff
#define PCIEM_ROOT_STA_PME_STATUS 0x00010000
#define PCIEM_ROOT_STA_PME_PEND 0x00020000
#define PCIER_DEVICE_CAP2 0x24
#define PCIEM_CAP2_ARI 0x20
#define PCIER_DEVICE_CTL2 0x28
#define PCIEM_CTL2_COMP_TIMEOUT_VAL 0x000f
#define PCIEM_CTL2_COMP_TIMEOUT_DIS 0x0010
#define PCIEM_CTL2_ARI 0x0020
#define PCIEM_CTL2_ATOMIC_REQ_ENABLE 0x0040
#define PCIEM_CTL2_ATOMIC_EGR_BLOCK 0x0080
#define PCIEM_CTL2_ID_ORDERED_REQ_EN 0x0100
#define PCIEM_CTL2_ID_ORDERED_CMP_EN 0x0200
#define PCIEM_CTL2_LTR_ENABLE 0x0400
#define PCIEM_CTL2_OBFF 0x6000
#define PCIEM_OBFF_DISABLE 0x0000
#define PCIEM_OBFF_MSGA_ENABLE 0x2000
#define PCIEM_OBFF_MSGB_ENABLE 0x4000
#define PCIEM_OBFF_WAKE_ENABLE 0x6000
#define PCIEM_CTL2_END2END_TLP 0x8000
#define PCIER_DEVICE_STA2 0x2a
#define PCIER_LINK_CAP2 0x2c
#define PCIER_LINK_CTL2 0x30
#define PCIER_LINK_STA2 0x32
#define PCIER_SLOT_CAP2 0x34
#define PCIER_SLOT_CTL2 0x38
#define PCIER_SLOT_STA2 0x3a
/* MSI-X definitions */
#define PCIR_MSIX_CTRL 0x2
#define PCIM_MSIXCTRL_MSIX_ENABLE 0x8000
#define PCIM_MSIXCTRL_FUNCTION_MASK 0x4000
#define PCIM_MSIXCTRL_TABLE_SIZE 0x07FF
#define PCIR_MSIX_TABLE 0x4
#define PCIR_MSIX_PBA 0x8
#define PCIM_MSIX_BIR_MASK 0x7
#define PCIM_MSIX_BIR_BAR_10 0
#define PCIM_MSIX_BIR_BAR_14 1
#define PCIM_MSIX_BIR_BAR_18 2
#define PCIM_MSIX_BIR_BAR_1C 3
#define PCIM_MSIX_BIR_BAR_20 4
#define PCIM_MSIX_BIR_BAR_24 5
#define PCIM_MSIX_VCTRL_MASK 0x1
/* PCI Advanced Features definitions */
#define PCIR_PCIAF_CAP 0x3
#define PCIM_PCIAFCAP_TP 0x01
#define PCIM_PCIAFCAP_FLR 0x02
#define PCIR_PCIAF_CTRL 0x4
#define PCIR_PCIAFCTRL_FLR 0x01
#define PCIR_PCIAF_STATUS 0x5
#define PCIR_PCIAFSTATUS_TP 0x01
/* Advanced Error Reporting */
#define PCIR_AER_UC_STATUS 0x04
#define PCIM_AER_UC_TRAINING_ERROR 0x00000001
#define PCIM_AER_UC_DL_PROTOCOL_ERROR 0x00000010
#define PCIM_AER_UC_SURPRISE_LINK_DOWN 0x00000020
#define PCIM_AER_UC_POISONED_TLP 0x00001000
#define PCIM_AER_UC_FC_PROTOCOL_ERROR 0x00002000
#define PCIM_AER_UC_COMPLETION_TIMEOUT 0x00004000
#define PCIM_AER_UC_COMPLETER_ABORT 0x00008000
#define PCIM_AER_UC_UNEXPECTED_COMPLETION 0x00010000
#define PCIM_AER_UC_RECEIVER_OVERFLOW 0x00020000
#define PCIM_AER_UC_MALFORMED_TLP 0x00040000
#define PCIM_AER_UC_ECRC_ERROR 0x00080000
#define PCIM_AER_UC_UNSUPPORTED_REQUEST 0x00100000
#define PCIM_AER_UC_ACS_VIOLATION 0x00200000
#define PCIM_AER_UC_INTERNAL_ERROR 0x00400000
#define PCIM_AER_UC_MC_BLOCKED_TLP 0x00800000
#define PCIM_AER_UC_ATOMIC_EGRESS_BLK 0x01000000
#define PCIM_AER_UC_TLP_PREFIX_BLOCKED 0x02000000
#define PCIR_AER_UC_MASK 0x08 /* Shares bits with UC_STATUS */
#define PCIR_AER_UC_SEVERITY 0x0c /* Shares bits with UC_STATUS */
#define PCIR_AER_COR_STATUS 0x10
#define PCIM_AER_COR_RECEIVER_ERROR 0x00000001
#define PCIM_AER_COR_BAD_TLP 0x00000040
#define PCIM_AER_COR_BAD_DLLP 0x00000080
#define PCIM_AER_COR_REPLAY_ROLLOVER 0x00000100
#define PCIM_AER_COR_REPLAY_TIMEOUT 0x00001000
#define PCIM_AER_COR_ADVISORY_NF_ERROR 0x00002000
#define PCIM_AER_COR_INTERNAL_ERROR 0x00004000
#define PCIM_AER_COR_HEADER_LOG_OVFLOW 0x00008000
#define PCIR_AER_COR_MASK 0x14 /* Shares bits with COR_STATUS */
#define PCIR_AER_CAP_CONTROL 0x18
#define PCIM_AER_FIRST_ERROR_PTR 0x0000001f
#define PCIM_AER_ECRC_GEN_CAPABLE 0x00000020
#define PCIM_AER_ECRC_GEN_ENABLE 0x00000040
#define PCIM_AER_ECRC_CHECK_CAPABLE 0x00000080
#define PCIM_AER_ECRC_CHECK_ENABLE 0x00000100
#define PCIM_AER_MULT_HDR_CAPABLE 0x00000200
#define PCIM_AER_MULT_HDR_ENABLE 0x00000400
#define PCIM_AER_TLP_PREFIX_LOG_PRESENT 0x00000800
#define PCIR_AER_HEADER_LOG 0x1c
#define PCIR_AER_ROOTERR_CMD 0x2c /* Only for root complex ports */
#define PCIM_AER_ROOTERR_COR_ENABLE 0x00000001
#define PCIM_AER_ROOTERR_NF_ENABLE 0x00000002
#define PCIM_AER_ROOTERR_F_ENABLE 0x00000004
#define PCIR_AER_ROOTERR_STATUS 0x30 /* Only for root complex ports */
#define PCIM_AER_ROOTERR_COR_ERR 0x00000001
#define PCIM_AER_ROOTERR_MULTI_COR_ERR 0x00000002
#define PCIM_AER_ROOTERR_UC_ERR 0x00000004
#define PCIM_AER_ROOTERR_MULTI_UC_ERR 0x00000008
#define PCIM_AER_ROOTERR_FIRST_UC_FATAL 0x00000010
#define PCIM_AER_ROOTERR_NF_ERR 0x00000020
#define PCIM_AER_ROOTERR_F_ERR 0x00000040
#define PCIM_AER_ROOTERR_INT_MESSAGE 0xf8000000
#define PCIR_AER_COR_SOURCE_ID 0x34 /* Only for root complex ports */
#define PCIR_AER_ERR_SOURCE_ID 0x36 /* Only for root complex ports */
#define PCIR_AER_TLP_PREFIX_LOG 0x38 /* Only for TLP prefix functions */
/* Virtual Channel definitions */
#define PCIR_VC_CAP1 0x04
#define PCIM_VC_CAP1_EXT_COUNT 0x00000007
#define PCIM_VC_CAP1_LOWPRI_EXT_COUNT 0x00000070
#define PCIR_VC_CAP2 0x08
#define PCIR_VC_CONTROL 0x0C
#define PCIR_VC_STATUS 0x0E
#define PCIR_VC_RESOURCE_CAP(n) (0x10 + (n) * 0x0C)
#define PCIR_VC_RESOURCE_CTL(n) (0x14 + (n) * 0x0C)
#define PCIR_VC_RESOURCE_STA(n) (0x18 + (n) * 0x0C)
/* Serial Number definitions */
#define PCIR_SERIAL_LOW 0x04
#define PCIR_SERIAL_HIGH 0x08
/* SR-IOV definitions */
#define PCIR_SRIOV_CTL 0x08
#define PCIM_SRIOV_VF_EN 0x01
#define PCIM_SRIOV_VF_MSE 0x08 /* Memory space enable. */
#define PCIM_SRIOV_ARI_EN 0x10
#define PCIR_SRIOV_TOTAL_VFS 0x0E
#define PCIR_SRIOV_NUM_VFS 0x10
#define PCIR_SRIOV_VF_OFF 0x14
#define PCIR_SRIOV_VF_STRIDE 0x16
#define PCIR_SRIOV_VF_DID 0x1A
#define PCIR_SRIOV_PAGE_CAP 0x1C
#define PCIR_SRIOV_PAGE_SIZE 0x20
#define PCI_SRIOV_BASE_PAGE_SHIFT 12
#define PCIR_SRIOV_BARS 0x24
#define PCIR_SRIOV_BAR(x) (PCIR_SRIOV_BARS + (x) * 4)