FreeBSD/Linux Kernel Cross Reference
sys/dev/pci/pcireg.h

     /*-
      * 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: releng/11.2/sys/dev/pci/pcireg.h 331722 2018-03-29 02:50:57Z eadler $
     *
     */
    
    /*
     * 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 */
   #define PCIY_EA         0x14    /* PCI Extended Allocation */
   
   /* 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
   
   #define PCI_PPBMEMBASE(h,l)  ((((uint64_t)(h) << 32) + ((l)<<16)) & ~0xfffff)
   #define PCI_PPBMEMLIMIT(h,l) ((((uint64_t)(h) << 32) + ((l)<<16)) | 0xfffff)
   #define PCI_PPBIOBASE(h,l)   ((((h)<<16) + ((l)<<8)) & ~0xfff)
   #define PCI_PPBIOLIMIT(h,l)  ((((h)<<16) + ((l)<<8)) | 0xfff)
   
   /* 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 PCIM_CBBIO_16           0x0
   #define PCIM_CBBIO_32           0x1
   #define PCIM_CBBIO_MASK         0x3
   
   #define PCIR_BRIDGECTL_2 0x3e
   
   #define PCIR_SUBVEND_2  0x40
   #define PCIR_SUBDEV_2   0x42
   
   #define PCIR_PCCARDIF_2 0x44
   
   #define PCI_CBBMEMBASE(l)  ((l) & ~0xfffff)
   #define PCI_CBBMEMLIMIT(l) ((l) | 0xfffff)
   #define PCI_CBBIOBASE(l)   ((l) & ~0x3)
   #define PCI_CBBIOLIMIT(l)  ((l) | 0x3)
   
   /* 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_ACCEL      0x12
   #define PCIS_ACCEL_PROCESSING   0x00
   
   #define PCIC_INSTRUMENT 0x13
   
   #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
   
   #define CBB_BCR_PERR_ENABLE             0x0001
   #define CBB_BCR_SERR_ENABLE             0x0002
   #define CBB_BCR_ISA_ENABLE              0x0004
   #define CBB_BCR_VGA_ENABLE              0x0008
   #define CBB_BCR_MASTER_ABORT_MODE       0x0020
   #define CBB_BCR_CARDBUS_RESET           0x0040
   #define CBB_BCR_IREQ_INT_ENABLE         0x0080
   #define CBB_BCR_PREFETCH_0_ENABLE       0x0100
   #define CBB_BCR_PREFETCH_1_ENABLE       0x0200
   #define CBB_BCR_WRITE_POSTING_ENABLE    0x0400
   
   /* 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 Enhanced Allocation registers */
   #define PCIR_EA_NUM_ENT         2       /* Number of Capability Entries */
   #define PCIM_EA_NUM_ENT_MASK    0x3f    /* Num Entries Mask */
   #define PCIR_EA_FIRST_ENT       4       /* First EA Entry in List */
   #define PCIR_EA_FIRST_ENT_BRIDGE        8       /* First EA Entry for Bridges */
   #define PCIM_EA_ES              0x00000007      /* Entry Size */
   #define PCIM_EA_BEI             0x000000f0      /* BAR Equivalent Indicator */
   #define PCIM_EA_BEI_OFFSET      4
   /* 0-5 map to BARs 0-5 respectively */
   #define PCIM_EA_BEI_BAR_0       0
   #define PCIM_EA_BEI_BAR_5       5
   #define PCIM_EA_BEI_BAR(x)      (((x) >> PCIM_EA_BEI_OFFSET) & 0xf)
   #define PCIM_EA_BEI_BRIDGE      0x6     /* Resource behind bridge */
   #define PCIM_EA_BEI_ENI         0x7     /* Equivalent Not Indicated */
   #define PCIM_EA_BEI_ROM         0x8     /* Expansion ROM */
   /* 9-14 map to VF BARs 0-5 respectively */
   #define PCIM_EA_BEI_VF_BAR_0    9
   #define PCIM_EA_BEI_VF_BAR_5    14
   #define PCIM_EA_BEI_RESERVED    0xf     /* Reserved - Treat like ENI */
   #define PCIM_EA_PP              0x0000ff00      /* Primary Properties */
   #define PCIM_EA_PP_OFFSET       8
   #define PCIM_EA_SP_OFFSET       16
   #define PCIM_EA_SP              0x00ff0000      /* Secondary Properties */
   #define PCIM_EA_P_MEM           0x00    /* Non-Prefetch Memory */
   #define PCIM_EA_P_MEM_PREFETCH  0x01    /* Prefetchable Memory */
   #define PCIM_EA_P_IO            0x02    /* I/O Space */
   #define PCIM_EA_P_VF_MEM_PREFETCH       0x03    /* VF Prefetchable Memory */
   #define PCIM_EA_P_VF_MEM        0x04    /* VF Non-Prefetch Memory */
   #define PCIM_EA_P_BRIDGE_MEM    0x05    /* Bridge Non-Prefetch Memory */
   #define PCIM_EA_P_BRIDGE_MEM_PREFETCH   0x06    /* Bridge Prefetchable Memory */
   #define PCIM_EA_P_BRIDGE_IO     0x07    /* Bridge I/O Space */
   /* 0x08-0xfc reserved */
   #define PCIM_EA_P_MEM_RESERVED  0xfd    /* Reserved Memory */
   #define PCIM_EA_P_IO_RESERVED   0xfe    /* Reserved I/O Space */
   #define PCIM_EA_P_UNAVAILABLE   0xff    /* Entry Unavailable */
   #define PCIM_EA_WRITABLE        0x40000000      /* Writable: 1 = RW, 0 = HwInit */
   #define PCIM_EA_ENABLE          0x80000000      /* Enable for this entry */
   #define PCIM_EA_BASE            4       /* Base Address Offset */
   #define PCIM_EA_MAX_OFFSET      8       /* MaxOffset (resource length) */
   /* bit 0 is reserved */
   #define PCIM_EA_IS_64           0x00000002      /* 64-bit field flag */
   #define PCIM_EA_FIELD_MASK      0xfffffffc      /* For Base & Max Offset */
   /* Bridge config register */
   #define PCIM_EA_SEC_NR(reg)     ((reg) & 0xff)
   #define PCIM_EA_SUB_NR(reg)     (((reg) >> 8) & 0xff)
   
   /* 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 Device capability definitions */
   #define PCIR_DEVICE_LENGTH      0x2
   
   /* 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_AI_ON            0x0040
   #define PCIEM_SLOT_CTL_AI_BLINK         0x0080
   #define PCIEM_SLOT_CTL_AI_OFF           0x00c0
   #define PCIEM_SLOT_CTL_PIC              0x0300
   #define PCIEM_SLOT_CTL_PI_ON            0x0100
   #define PCIEM_SLOT_CTL_PI_BLINK         0x0200
   #define PCIEM_SLOT_CTL_PI_OFF           0x0300
   #define PCIEM_SLOT_CTL_PCC              0x0400
   #define PCIEM_SLOT_CTL_PC_ON            0x0000
   #define PCIEM_SLOT_CTL_PC_OFF           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_COMP_TIMO_RANGES     0x0000000f
   #define PCIEM_CAP2_COMP_TIMO_RANGE_A    0x00000001
   #define PCIEM_CAP2_COMP_TIMO_RANGE_B    0x00000002
   #define PCIEM_CAP2_COMP_TIMO_RANGE_C    0x00000004
   #define PCIEM_CAP2_COMP_TIMO_RANGE_D    0x00000008
   #define PCIEM_CAP2_COMP_TIMO_DISABLE    0x00000010
   #define PCIEM_CAP2_ARI                  0x00000020
   #define PCIER_DEVICE_CTL2       0x28
   #define PCIEM_CTL2_COMP_TIMO_VAL        0x000f
   #define PCIEM_CTL2_COMP_TIMO_50MS       0x0000
   #define PCIEM_CTL2_COMP_TIMO_100US      0x0001
   #define PCIEM_CTL2_COMP_TIMO_10MS       0x0002
   #define PCIEM_CTL2_COMP_TIMO_55MS       0x0005
   #define PCIEM_CTL2_COMP_TIMO_210MS      0x0006
   #define PCIEM_CTL2_COMP_TIMO_900MS      0x0009
   #define PCIEM_CTL2_COMP_TIMO_3500MS     0x000a
   #define PCIEM_CTL2_COMP_TIMO_13S        0x000d
   #define PCIEM_CTL2_COMP_TIMO_64S        0x000e
   #define PCIEM_CTL2_COMP_TIMO_DISABLE    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)
  

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