+/* Subsystem vendor/device ID for PCI bridges */
+#define PCI_SSVID_VENDOR 4
+#define PCI_SSVID_DEVICE 6
+
+/* PCI Advanced Features */
+#define PCI_AF_CAP 3
+#define PCI_AF_CAP_TP 0x01
+#define PCI_AF_CAP_FLR 0x02
+#define PCI_AF_CTRL 4
+#define PCI_AF_CTRL_FLR 0x01
+#define PCI_AF_STATUS 5
+#define PCI_AF_STATUS_TP 0x01
+
+/* SATA Host Bus Adapter */
+#define PCI_SATA_HBA_BARS 4
+#define PCI_SATA_HBA_REG0 8
+
+/*** Definitions of extended capabilities ***/
+
+/* Advanced Error Reporting */
+#define PCI_ERR_UNCOR_STATUS 4 /* Uncorrectable Error Status */
+#define PCI_ERR_UNC_TRAIN 0x00000001 /* Undefined in PCIe rev1.1 & 2.0 spec */
+#define PCI_ERR_UNC_DLP 0x00000010 /* Data Link Protocol */
+#define PCI_ERR_UNC_SDES 0x00000020 /* Surprise Down Error */
+#define PCI_ERR_UNC_POISON_TLP 0x00001000 /* Poisoned TLP */
+#define PCI_ERR_UNC_FCP 0x00002000 /* Flow Control Protocol */
+#define PCI_ERR_UNC_COMP_TIME 0x00004000 /* Completion Timeout */
+#define PCI_ERR_UNC_COMP_ABORT 0x00008000 /* Completer Abort */
+#define PCI_ERR_UNC_UNX_COMP 0x00010000 /* Unexpected Completion */
+#define PCI_ERR_UNC_RX_OVER 0x00020000 /* Receiver Overflow */
+#define PCI_ERR_UNC_MALF_TLP 0x00040000 /* Malformed TLP */
+#define PCI_ERR_UNC_ECRC 0x00080000 /* ECRC Error Status */
+#define PCI_ERR_UNC_UNSUP 0x00100000 /* Unsupported Request */
+#define PCI_ERR_UNC_ACS_VIOL 0x00200000 /* ACS Violation */
+#define PCI_ERR_UNCOR_MASK 8 /* Uncorrectable Error Mask */
+ /* Same bits as above */
+#define PCI_ERR_UNCOR_SEVER 12 /* Uncorrectable Error Severity */
+ /* Same bits as above */
+#define PCI_ERR_COR_STATUS 16 /* Correctable Error Status */
+#define PCI_ERR_COR_RCVR 0x00000001 /* Receiver Error Status */
+#define PCI_ERR_COR_BAD_TLP 0x00000040 /* Bad TLP Status */
+#define PCI_ERR_COR_BAD_DLLP 0x00000080 /* Bad DLLP Status */
+#define PCI_ERR_COR_REP_ROLL 0x00000100 /* REPLAY_NUM Rollover */
+#define PCI_ERR_COR_REP_TIMER 0x00001000 /* Replay Timer Timeout */
+#define PCI_ERR_COR_REP_ANFE 0x00002000 /* Advisory Non-Fatal Error */
+#define PCI_ERR_COR_MASK 20 /* Correctable Error Mask */
+ /* Same bits as above */
+#define PCI_ERR_CAP 24 /* Advanced Error Capabilities */
+#define PCI_ERR_CAP_FEP(x) ((x) & 31) /* First Error Pointer */
+#define PCI_ERR_CAP_ECRC_GENC 0x00000020 /* ECRC Generation Capable */
+#define PCI_ERR_CAP_ECRC_GENE 0x00000040 /* ECRC Generation Enable */
+#define PCI_ERR_CAP_ECRC_CHKC 0x00000080 /* ECRC Check Capable */
+#define PCI_ERR_CAP_ECRC_CHKE 0x00000100 /* ECRC Check Enable */
+#define PCI_ERR_HEADER_LOG 28 /* Header Log Register (16 bytes) */
+#define PCI_ERR_ROOT_COMMAND 44 /* Root Error Command */
+#define PCI_ERR_ROOT_STATUS 48
+#define PCI_ERR_ROOT_COR_SRC 52
+#define PCI_ERR_ROOT_SRC 54
+
+/* Virtual Channel */
+#define PCI_VC_PORT_REG1 4
+#define PCI_VC_PORT_REG2 8
+#define PCI_VC_PORT_CTRL 12
+#define PCI_VC_PORT_STATUS 14
+#define PCI_VC_RES_CAP 16
+#define PCI_VC_RES_CTRL 20
+#define PCI_VC_RES_STATUS 26
+
+/* Power Budgeting */
+#define PCI_PWR_DSR 4 /* Data Select Register */
+#define PCI_PWR_DATA 8 /* Data Register */
+#define PCI_PWR_DATA_BASE(x) ((x) & 0xff) /* Base Power */
+#define PCI_PWR_DATA_SCALE(x) (((x) >> 8) & 3) /* Data Scale */
+#define PCI_PWR_DATA_PM_SUB(x) (((x) >> 10) & 7) /* PM Sub State */
+#define PCI_PWR_DATA_PM_STATE(x) (((x) >> 13) & 3) /* PM State */
+#define PCI_PWR_DATA_TYPE(x) (((x) >> 15) & 7) /* Type */
+#define PCI_PWR_DATA_RAIL(x) (((x) >> 18) & 7) /* Power Rail */
+#define PCI_PWR_CAP 12 /* Capability */
+#define PCI_PWR_CAP_BUDGET(x) ((x) & 1) /* Included in system budget */
+
+/* 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 */
+