+/* Root Complex Link */
+#define PCI_RCLINK_ESD 4 /* Element Self Description */
+#define PCI_RCLINK_LINK1 16 /* First Link Entry */
+#define PCI_RCLINK_LINK_DESC 0 /* Link Entry: Description */
+#define PCI_RCLINK_LINK_ADDR 8 /* Link Entry: Address (64-bit) */
+#define PCI_RCLINK_LINK_SIZE 16 /* Link Entry: sizeof */
+
+/* PCIe Vendor-Specific Capability */
+#define PCI_EVNDR_HEADER 4 /* Vendor-Specific Header */
+#define PCI_EVNDR_REGISTERS 8 /* Vendor-Specific Registers */
+
+/* Access Control Services */
+#define PCI_ACS_CAP 0x04 /* ACS Capability Register */
+#define PCI_ACS_CAP_VALID 0x0001 /* ACS Source Validation */
+#define PCI_ACS_CAP_BLOCK 0x0002 /* ACS Translation Blocking */
+#define PCI_ACS_CAP_REQ_RED 0x0004 /* ACS P2P Request Redirect */
+#define PCI_ACS_CAP_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect */
+#define PCI_ACS_CAP_FORWARD 0x0010 /* ACS Upstream Forwarding */
+#define PCI_ACS_CAP_EGRESS 0x0020 /* ACS P2P Egress Control */
+#define PCI_ACS_CAP_TRANS 0x0040 /* ACS Direct Translated P2P */
+#define PCI_ACS_CAP_VECTOR(x) (((x) >> 8) & 0xff) /* Egress Control Vector Size */
+#define PCI_ACS_CTRL 0x06 /* ACS Control Register */
+#define PCI_ACS_CTRL_VALID 0x0001 /* ACS Source Validation Enable */
+#define PCI_ACS_CTRL_BLOCK 0x0002 /* ACS Translation Blocking Enable */
+#define PCI_ACS_CTRL_REQ_RED 0x0004 /* ACS P2P Request Redirect Enable */
+#define PCI_ACS_CTRL_CMPLT_RED 0x0008 /* ACS P2P Completion Redirect Enable */
+#define PCI_ACS_CTRL_FORWARD 0x0010 /* ACS Upstream Forwarding Enable */
+#define PCI_ACS_CTRL_EGRESS 0x0020 /* ACS P2P Egress Control Enable */
+#define PCI_ACS_CTRL_TRANS 0x0040 /* ACS Direct Translated P2P Enable */
+#define PCI_ACS_EGRESS_CTRL 0x08 /* Egress Control Vector */
+
+/* Alternative Routing-ID Interpretation */
+#define PCI_ARI_CAP 0x04 /* ARI Capability Register */
+#define PCI_ARI_CAP_MFVC 0x0001 /* MFVC Function Groups Capability */
+#define PCI_ARI_CAP_ACS 0x0002 /* ACS Function Groups Capability */
+#define PCI_ARI_CAP_NFN(x) (((x) >> 8) & 0xff) /* Next Function Number */
+#define PCI_ARI_CTRL 0x06 /* ARI Control Register */
+#define PCI_ARI_CTRL_MFVC 0x0001 /* MFVC Function Groups Enable */
+#define PCI_ARI_CTRL_ACS 0x0002 /* ACS Function Groups Enable */
+#define PCI_ARI_CTRL_FG(x) (((x) >> 4) & 7) /* Function Group */
+
+/* Address Translation Service */
+#define PCI_ATS_CAP 0x04 /* ATS Capability Register */
+#define PCI_ATS_CAP_IQD(x) ((x) & 0x1f) /* Invalidate Queue Depth */
+#define PCI_ATS_CTRL 0x06 /* ATS Control Register */
+#define PCI_ATS_CTRL_STU(x) ((x) & 0x1f) /* Smallest Translation Unit */
+#define PCI_ATS_CTRL_ENABLE 0x8000 /* ATS Enable */
+
+/* Single Root I/O Virtualization */
+#define PCI_IOV_CAP 0x04 /* SR-IOV Capability Register */
+#define PCI_IOV_CAP_VFM 0x00000001 /* VF Migration Capable */
+#define PCI_IOV_CAP_IMN(x) ((x) >> 21) /* VF Migration Interrupt Message Number */
+#define PCI_IOV_CTRL 0x08 /* SR-IOV Control Register */
+#define PCI_IOV_CTRL_VFE 0x0001 /* VF Enable */
+#define PCI_IOV_CTRL_VFME 0x0002 /* VF Migration Enable */
+#define PCI_IOV_CTRL_VFMIE 0x0004 /* VF Migration Interrupt Enable */
+#define PCI_IOV_CTRL_MSE 0x0008 /* VF MSE */
+#define PCI_IOV_CTRL_ARI 0x0010 /* ARI Capable Hierarchy */
+#define PCI_IOV_STATUS 0x0a /* SR-IOV Status Register */
+#define PCI_IOV_STATUS_MS 0x0001 /* VF Migration Status */
+#define PCI_IOV_INITIALVF 0x0c /* Number of VFs that are initially associated */
+#define PCI_IOV_TOTALVF 0x0e /* Maximum number of VFs that could be associated */
+#define PCI_IOV_NUMVF 0x10 /* Number of VFs that are available */
+#define PCI_IOV_FDL 0x12 /* Function Dependency Link */
+#define PCI_IOV_OFFSET 0x14 /* First VF Offset */
+#define PCI_IOV_STRIDE 0x16 /* Routing ID offset from one VF to the next one */
+#define PCI_IOV_DID 0x1a /* VF Device ID */
+#define PCI_IOV_SUPPS 0x1c /* Supported Page Sizes */
+#define PCI_IOV_SYSPS 0x20 /* System Page Size */
+#define PCI_IOV_BAR_BASE 0x24 /* VF BAR0, VF BAR1, ... VF BAR5 */
+#define PCI_IOV_NUM_BAR 6 /* Number of VF BARs */
+#define PCI_IOV_MSAO 0x3c /* VF Migration State Array Offset */
+#define PCI_IOV_MSA_BIR(x) ((x) & 7) /* VF Migration State BIR */
+#define PCI_IOV_MSA_OFFSET(x) ((x) & 0xfffffff8) /* VF Migration State Offset */
+
+/* Transaction Processing Hints */
+#define PCI_TPH_CAPABILITIES 4
+#define PCI_TPH_INTVEC_SUP (1<<1) /* Supports interrupt vector mode */
+#define PCI_TPH_DEV_SUP (1<<2) /* Device specific mode supported */
+#define PCI_TPH_EXT_REQ_SUP (1<<8) /* Supports extended requests */
+#define PCI_TPH_ST_LOC_MASK (3<<9) /* Steering table location bits */
+#define PCI_TPH_ST_NONE (0<<9) /* No steering table */
+#define PCI_TPH_ST_CAP (1<<9) /* Steering table in TPH cap */
+#define PCI_TPH_ST_MSIX (2<<9) /* Steering table in MSI-X table */
+#define PCI_TPH_ST_SIZE_SHIFT (16) /* Encoded as size - 1 */
+
+/* Latency Tolerance Reporting */
+#define PCI_LTR_MAX_SNOOP 4 /* 16 bit value */
+#define PCI_LTR_VALUE_MASK (0x3ff)
+#define PCI_LTR_SCALE_SHIFT (10)
+#define PCI_LTR_SCALE_MASK (7)
+#define PCI_LTR_MAX_NOSNOOP 6 /* 16 bit value */
+