*
* Copyright (c) 1997--2010 Martin Mares <mj@ucw.cz>
*
- * Can be freely distributed and used under the terms of the GNU GPL.
+ * Can be freely distributed and used under the terms of the GNU GPL v2+
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
*/
/*
#define PCI_BRIDGE_CTL_SERR 0x02 /* The same for SERR forwarding */
#define PCI_BRIDGE_CTL_NO_ISA 0x04 /* Disable bridging of ISA ports */
#define PCI_BRIDGE_CTL_VGA 0x08 /* Forward VGA addresses */
+#define PCI_BRIDGE_CTL_VGA_16BIT 0x10 /* VGA 16-bit decode */
#define PCI_BRIDGE_CTL_MASTER_ABORT 0x20 /* Report master aborts */
#define PCI_BRIDGE_CTL_BUS_RESET 0x40 /* Secondary bus reset */
#define PCI_BRIDGE_CTL_FAST_BACK 0x80 /* Fast Back2Back enabled on secondary interface */
/* Capability lists */
#define PCI_CAP_LIST_ID 0 /* Capability ID */
+#define PCI_CAP_ID_NULL 0x00 /* Null Capability */
#define PCI_CAP_ID_PM 0x01 /* Power Management */
#define PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */
#define PCI_CAP_ID_VPD 0x03 /* Vital Product Data */
/* Capabilities residing in the PCI Express extended configuration space */
+#define PCI_EXT_CAP_ID_NULL 0x00 /* Null Capability */
#define PCI_EXT_CAP_ID_AER 0x01 /* Advanced Error Reporting */
#define PCI_EXT_CAP_ID_VC 0x02 /* Virtual Channel */
#define PCI_EXT_CAP_ID_DSN 0x03 /* Device Serial Number */
#define PCI_EXT_CAP_ID_PB 0x04 /* Power Budgeting */
#define PCI_EXT_CAP_ID_RCLINK 0x05 /* Root Complex Link Declaration */
#define PCI_EXT_CAP_ID_RCILINK 0x06 /* Root Complex Internal Link Declaration */
-#define PCI_EXT_CAP_ID_RCECOLL 0x07 /* Root Complex Event Collector */
+#define PCI_EXT_CAP_ID_RCEC 0x07 /* Root Complex Event Collector */
#define PCI_EXT_CAP_ID_MFVC 0x08 /* Multi-Function Virtual Channel */
#define PCI_EXT_CAP_ID_VC2 0x09 /* Virtual Channel (2nd ID) */
-#define PCI_EXT_CAP_ID_RBCB 0x0a /* Root Bridge Control Block */
+#define PCI_EXT_CAP_ID_RCRB 0x0a /* Root Complex Register Block */
#define PCI_EXT_CAP_ID_VNDR 0x0b /* Vendor specific */
#define PCI_EXT_CAP_ID_ACS 0x0d /* Access Controls */
#define PCI_EXT_CAP_ID_ARI 0x0e /* Alternative Routing-ID Interpretation */
#define PCI_EXT_CAP_ID_ATS 0x0f /* Address Translation Service */
#define PCI_EXT_CAP_ID_SRIOV 0x10 /* Single Root I/O Virtualization */
+#define PCI_EXT_CAP_ID_MRIOV 0x11 /* Multi-Root I/O Virtualization */
+#define PCI_EXT_CAP_ID_MCAST 0x12 /* Multicast */
#define PCI_EXT_CAP_ID_PRI 0x13 /* Page Request Interface */
+#define PCI_EXT_CAP_ID_REBAR 0x15 /* Resizable BAR */
+#define PCI_EXT_CAP_ID_DPA 0x16 /* Dynamic Power Allocation */
#define PCI_EXT_CAP_ID_TPH 0x17 /* Transaction processing hints */
#define PCI_EXT_CAP_ID_LTR 0x18 /* Latency Tolerance Reporting */
+#define PCI_EXT_CAP_ID_SECPCI 0x19 /* Secondary PCI Express */
+#define PCI_EXT_CAP_ID_PMUX 0x1a /* Protocol Multiplexing */
#define PCI_EXT_CAP_ID_PASID 0x1b /* Process Address Space ID */
+#define PCI_EXT_CAP_ID_LNR 0x1c /* LN Requester */
#define PCI_EXT_CAP_ID_DPC 0x1d /* Downstream Port Containment */
#define PCI_EXT_CAP_ID_L1PM 0x1e /* L1 PM Substates */
#define PCI_EXT_CAP_ID_PTM 0x1f /* Precision Time Measurement */
+#define PCI_EXT_CAP_ID_M_PCIE 0x20 /* PCIe over M-PHY */
+#define PCI_EXT_CAP_ID_FRS 0x21 /* FRS Queuing */
+#define PCI_EXT_CAP_ID_RTR 0x22 /* Readiness Time Reporting */
+#define PCI_EXT_CAP_ID_DVSEC 0x23 /* Designated Vendor-Specific */
+#define PCI_EXT_CAP_ID_VF_REBAR 0x24 /* VF Resizable BAR */
+#define PCI_EXT_CAP_ID_DLNK 0x25 /* Data Link Feature */
+#define PCI_EXT_CAP_ID_16GT 0x26 /* Physical Layer 16.0 GT/s */
+#define PCI_EXT_CAP_ID_LMR 0x27 /* Lane Margining at Receiver */
+#define PCI_EXT_CAP_ID_HIER_ID 0x28 /* Hierarchy ID */
+#define PCI_EXT_CAP_ID_NPEM 0x29 /* Native PCIe Enclosure Management */
+#define PCI_EXT_CAP_ID_32GT 0x2a /* Physical Layer 32.0 GT/s */
+#define PCI_EXT_CAP_ID_DOE 0x2e /* Data Object Exchange */
/*** Definitions of capabilities ***/
#define PCI_HT_SEC_CMD 2 /* Command Register */
#define PCI_HT_SEC_CMD_WR 0x0001 /* Warm Reset */
#define PCI_HT_SEC_CMD_DE 0x0002 /* Double-Ended */
-#define PCI_HT_SEC_CMD_DN 0x0076 /* Device Number */
+#define PCI_HT_SEC_CMD_DN 0x007c /* Device Number */
#define PCI_HT_SEC_CMD_CS 0x0080 /* Chain Side */
#define PCI_HT_SEC_CMD_HH 0x0100 /* Host Hide */
#define PCI_HT_SEC_CMD_AS 0x0400 /* Act as Slave */
#define PCI_EXP_LNKCAP_SPEED 0x0000f /* Maximum Link Speed */
#define PCI_EXP_LNKCAP_WIDTH 0x003f0 /* Maximum Link Width */
#define PCI_EXP_LNKCAP_ASPM 0x00c00 /* Active State Power Management */
-#define PCI_EXP_LNKCAP_L0S 0x07000 /* L0s Acceptable Latency */
-#define PCI_EXP_LNKCAP_L1 0x38000 /* L1 Acceptable Latency */
+#define PCI_EXP_LNKCAP_L0S 0x07000 /* L0s Exit Latency */
+#define PCI_EXP_LNKCAP_L1 0x38000 /* L1 Exit Latency */
#define PCI_EXP_LNKCAP_CLOCKPM 0x40000 /* Clock Power Management */
#define PCI_EXP_LNKCAP_SURPRISE 0x80000 /* Surprise Down Error Reporting */
#define PCI_EXP_LNKCAP_DLLA 0x100000 /* Data Link Layer Active Reporting */
#define PCI_EXP_RTSTA_PME_STATUS 0x00010000 /* PME Status */
#define PCI_EXP_RTSTA_PME_PENDING 0x00020000 /* PME is Pending */
#define PCI_EXP_DEVCAP2 0x24 /* Device capabilities 2 */
-#define PCI_EXP_DEVCAP2_LTR 0x0800 /* LTR supported */
-#define PCI_EXP_DEVCAP2_OBFF(x) (((x) >> 18) & 3) /* OBFF supported */
-#define PCI_EXP_DEVCTL2 0x28 /* Device Control */
-#define PCI_EXP_DEV2_TIMEOUT_RANGE(x) ((x) & 0xf) /* Completion Timeout Ranges Supported */
-#define PCI_EXP_DEV2_TIMEOUT_VALUE(x) ((x) & 0xf) /* Completion Timeout Value */
-#define PCI_EXP_DEV2_TIMEOUT_DIS 0x0010 /* Completion Timeout Disable Supported */
-#define PCI_EXP_DEV2_ATOMICOP_REQUESTER_EN 0x0040 /* AtomicOp RequesterEnable */
-#define PCI_EXP_DEV2_ATOMICOP_EGRESS_BLOCK 0x0080 /* AtomicOp Egress Blocking */
-#define PCI_EXP_DEV2_ARI 0x0020 /* ARI Forwarding */
+#define PCI_EXP_DEVCAP2_TIMEOUT_RANGE(x) ((x) & 0xf) /* Completion Timeout Ranges Supported */
+#define PCI_EXP_DEVCAP2_TIMEOUT_DIS 0x0010 /* Completion Timeout Disable Supported */
+#define PCI_EXP_DEVCAP2_ARI 0x0020 /* ARI Forwarding Supported */
#define PCI_EXP_DEVCAP2_ATOMICOP_ROUTING 0x0040 /* AtomicOp Routing Supported */
#define PCI_EXP_DEVCAP2_32BIT_ATOMICOP_COMP 0x0080 /* 32bit AtomicOp Completer Supported */
#define PCI_EXP_DEVCAP2_64BIT_ATOMICOP_COMP 0x0100 /* 64bit AtomicOp Completer Supported */
#define PCI_EXP_DEVCAP2_128BIT_CAS_COMP 0x0200 /* 128bit CAS Completer Supported */
-#define PCI_EXP_DEV2_LTR 0x0400 /* LTR enabled */
-#define PCI_EXP_DEV2_OBFF(x) (((x) >> 13) & 3) /* OBFF enabled */
+#define PCI_EXP_DEVCAP2_NROPRPRP 0x0400 /* No RO-enabled PR-PR Passing */
+#define PCI_EXP_DEVCAP2_LTR 0x0800 /* LTR supported */
+#define PCI_EXP_DEVCAP2_TPH_COMP(x) (((x) >> 12) & 3) /* TPH Completer Supported */
+#define PCI_EXP_DEVCAP2_LN_CLS(x) (((x) >> 14) & 3) /* LN System CLS Supported */
+#define PCI_EXP_DEVCAP2_10BIT_TAG_COMP 0x00010000 /* 10 Bit Tag Completer */
+#define PCI_EXP_DEVCAP2_10BIT_TAG_REQ 0x00020000 /* 10 Bit Tag Requester */
+#define PCI_EXP_DEVCAP2_OBFF(x) (((x) >> 18) & 3) /* OBFF supported */
+#define PCI_EXP_DEVCAP2_EXTFMT 0x00100000 /* Extended Fmt Field Supported */
+#define PCI_EXP_DEVCAP2_EE_TLP 0x00200000 /* End-End TLP Prefix Supported */
+#define PCI_EXP_DEVCAP2_MEE_TLP(x) (((x) >> 22) & 3) /* Max End-End TLP Prefixes */
+#define PCI_EXP_DEVCAP2_EPR(x) (((x) >> 24) & 3) /* Emergency Power Reduction Supported */
+#define PCI_EXP_DEVCAP2_EPR_INIT 0x04000000 /* Emergency Power Reduction Initialization Required */
+#define PCI_EXP_DEVCAP2_FRS 0x80000000 /* FRS supported */
+#define PCI_EXP_DEVCTL2 0x28 /* Device Control */
+#define PCI_EXP_DEVCTL2_TIMEOUT_VALUE(x) ((x) & 0xf) /* Completion Timeout Value */
+#define PCI_EXP_DEVCTL2_TIMEOUT_DIS 0x0010 /* Completion Timeout Disable */
+#define PCI_EXP_DEVCTL2_ARI 0x0020 /* ARI Forwarding */
+#define PCI_EXP_DEVCTL2_ATOMICOP_REQUESTER_EN 0x0040 /* AtomicOp RequesterEnable */
+#define PCI_EXP_DEVCTL2_ATOMICOP_EGRESS_BLOCK 0x0080 /* AtomicOp Egress Blocking */
+#define PCI_EXP_DEVCTL2_IDO_REQ_EN 0x0100 /* Allow IDO for requests */
+#define PCI_EXP_DEVCTL2_IDO_CMP_EN 0x0200 /* Allow IDO for completions */
+#define PCI_EXP_DEVCTL2_LTR 0x0400 /* LTR enabled */
+#define PCI_EXP_DEVCTL2_EPR_REQ 0x0800 /* Emergency Power Reduction Request */
+#define PCI_EXP_DEVCTL2_10BIT_TAG_REQ 0x1000 /* 10 Bit Tag Requester enabled */
+#define PCI_EXP_DEVCTL2_OBFF(x) (((x) >> 13) & 3) /* OBFF enabled */
+#define PCI_EXP_DEVCTL2_EE_TLP_BLK 0x8000 /* End-End TLP Prefix Blocking */
#define PCI_EXP_DEVSTA2 0x2a /* Device Status */
#define PCI_EXP_LNKCAP2 0x2c /* Link Capabilities */
+#define PCI_EXP_LNKCAP2_SPEED(x) (((x) >> 1) & 0x7f)
+#define PCI_EXP_LNKCAP2_CROSSLINK 0x00000100 /* Crosslink Supported */
+#define PCI_EXP_LNKCAP2_RETIMER 0x00800000 /* Retimer Supported */
+#define PCI_EXP_LNKCAP2_2RETIMERS 0x01000000 /* 2 Retimers Supported */
+#define PCI_EXP_LNKCAP2_DRS 0x80000000 /* Device Readiness Status */
#define PCI_EXP_LNKCTL2 0x30 /* Link Control */
#define PCI_EXP_LNKCTL2_SPEED(x) ((x) & 0xf) /* Target Link Speed */
#define PCI_EXP_LNKCTL2_CMPLNC 0x0010 /* Enter Compliance */
#define PCI_EXP_LNKCTL2_MARGIN(x) (((x) >> 7) & 7) /* Transmit Margin */
#define PCI_EXP_LNKCTL2_MOD_CMPLNC 0x0400 /* Enter Modified Compliance */
#define PCI_EXP_LNKCTL2_CMPLNC_SOS 0x0800 /* Compliance SOS */
-#define PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 0xf) /* Compliance De-emphasis */
+#define PCI_EXP_LNKCTL2_COM_DEEMPHASIS(x) (((x) >> 12) & 0xf) /* Compliance Preset/De-emphasis */
#define PCI_EXP_LNKSTA2 0x32 /* Link Status */
#define PCI_EXP_LINKSTA2_DEEMPHASIS(x) ((x) & 1) /* Current De-emphasis Level */
#define PCI_EXP_LINKSTA2_EQU_COMP 0x02 /* Equalization Complete */
#define PCI_EXP_LINKSTA2_EQU_PHASE2 0x08 /* Equalization Phase 2 Successful */
#define PCI_EXP_LINKSTA2_EQU_PHASE3 0x10 /* Equalization Phase 3 Successful */
#define PCI_EXP_LINKSTA2_EQU_REQ 0x20 /* Link Equalization Request */
+#define PCI_EXP_LINKSTA2_RETIMER 0x0040 /* Retimer Detected */
+#define PCI_EXP_LINKSTA2_2RETIMERS 0x0080 /* 2 Retimers Detected */
+#define PCI_EXP_LINKSTA2_CROSSLINK(x) (((x) >> 8) & 0x3) /* Crosslink Res */
+#define PCI_EXP_LINKSTA2_COMPONENT(x) (((x) >> 12) & 0x7) /* Presence */
+#define PCI_EXP_LINKSTA2_DRS_RCVD 0x8000 /* DRS Msg Received */
#define PCI_EXP_SLTCAP2 0x34 /* Slot Capabilities */
#define PCI_EXP_SLTCTL2 0x38 /* Slot Control */
#define PCI_EXP_SLTSTA2 0x3a /* Slot Status */
#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_CAP_MULT_HDRC 0x00000200 /* Multiple Header Capable */
+#define PCI_ERR_CAP_MULT_HDRE 0x00000400 /* Multiple Header Enable */
+#define PCI_ERR_CAP_TLP_PFX 0x00000800 /* TLP Prefix Log Present */
+#define PCI_ERR_CAP_HDR_LOG 0x00001000 /* Completion Timeout Prefix/Header Log Capable */
#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_CMD_COR_EN 0x00000001 /* Correctable Error Reporting Enable */
+#define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002 /* Non-Fatal Error Reporting Enable*/
+#define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004 /* Fatal Error Reporting Enable */
+#define PCI_ERR_ROOT_STATUS 48 /* Root Error Status */
+#define PCI_ERR_ROOT_COR_RCV 0x00000001 /* ERR_COR Received */
+#define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002 /* Multiple ERR_COR Received */
+#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004 /* ERR_FATAL/NONFATAL Received */
+#define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008 /* Multiple ERR_FATAL/NONFATAL Received */
+#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First Uncorrectable Fatal */
+#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Error Messages Received */
+#define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Error Messages Received */
+#define PCI_ERR_MSG_NUM(x) (((x) >> 27) & 0x1f) /* MSI/MSI-X vector */
#define PCI_ERR_ROOT_COR_SRC 52
#define PCI_ERR_ROOT_SRC 54
#define PCI_RCLINK_LINK_ADDR 8 /* Link Entry: Address (64-bit) */
#define PCI_RCLINK_LINK_SIZE 16 /* Link Entry: sizeof */
+/* Root Complex Event Collector Endpoint Association */
+#define PCI_RCEC_EP_CAP_VER(reg) (((reg) >> 16) & 0xf)
+#define PCI_RCEC_BUSN_REG_VER 0x02 /* as per PCIe sec 7.9.10.1 */
+#define PCI_RCEC_RCIEP_BMAP 0x0004 /* as per PCIe sec 7.9.10.2 */
+#define PCI_RCEC_BUSN_REG 0x0008 /* as per PCIe sec 7.9.10.3 */
+
/* PCIe Vendor-Specific Capability */
#define PCI_EVNDR_HEADER 4 /* Vendor-Specific Header */
#define PCI_EVNDR_REGISTERS 8 /* Vendor-Specific Registers */
+/* PCIe Designated Vendor-Specific Capability */
+#define PCI_DVSEC_HEADER1 4 /* Designated Vendor-Specific Header 1 */
+#define PCI_DVSEC_HEADER2 8 /* Designated Vendor-Specific Header 2 */
+#define PCI_DVSEC_VENDOR_ID_CXL 0x1e98 /* Designated Vendor-Specific Vendor ID for CXL */
+#define PCI_DVSEC_ID_CXL 0 /* Designated Vendor-Specific ID for Intel CXL */
+
+/* PCIe CXL Designated Vendor-Specific Capabilities for Devices: Control, Status */
+#define PCI_CXL_DEV_LEN 0x3c /* CXL Device DVSEC Length */
+#define PCI_CXL_DEV_CAP 0x0a /* CXL Capability Register */
+#define PCI_CXL_DEV_CAP_CACHE 0x0001 /* CXL.cache Protocol Support */
+#define PCI_CXL_DEV_CAP_IO 0x0002 /* CXL.io Protocol Support */
+#define PCI_CXL_DEV_CAP_MEM 0x0004 /* CXL.mem Protocol Support */
+#define PCI_CXL_DEV_CAP_MEM_HWINIT 0x0008 /* CXL.mem Initializes with HW/FW Support */
+#define PCI_CXL_DEV_CAP_HDM_CNT(x) (((x) & (3 << 4)) >> 4) /* CXL Number of HDM ranges */
+#define PCI_CXL_DEV_CAP_VIRAL 0x4000 /* CXL Viral Handling Support */
+#define PCI_CXL_DEV_CTRL 0x0c /* CXL Control Register */
+#define PCI_CXL_DEV_CTRL_CACHE 0x0001 /* CXL.cache Protocol Enable */
+#define PCI_CXL_DEV_CTRL_IO 0x0002 /* CXL.io Protocol Enable */
+#define PCI_CXL_DEV_CTRL_MEM 0x0004 /* CXL.mem Protocol Enable */
+#define PCI_CXL_DEV_CTRL_CACHE_SF_COV(x) (((x) & (0x1f << 3)) >> 3) /* Snoop Filter Coverage */
+#define PCI_CXL_DEV_CTRL_CACHE_SF_GRAN(x) (((x) & (0x7 << 8)) >> 8) /* Snoop Filter Granularity */
+#define PCI_CXL_DEV_CTRL_CACHE_CLN 0x0800 /* CXL.cache Performance Hint on Clean Evictions */
+#define PCI_CXL_DEV_CTRL_VIRAL 0x4000 /* CXL Viral Handling Enable */
+#define PCI_CXL_DEV_STATUS 0x0e /* CXL Status Register */
+#define PCI_CXL_DEV_STATUS_VIRAL 0x4000 /* CXL Viral Handling Status */
+#define PCI_CXL_DEV_CTRL2 0x10 /* CXL Control Register 2 */
+#define PCI_CXL_DEV_CTRL2_DISABLE_CACHING 0x0001
+#define PCI_CXL_DEV_CTRL2_INIT_WB_INVAL 0x0002
+#define PCI_CXL_DEV_CTRL2_INIT_CXL_RST 0x0003
+#define PCI_CXL_DEV_CTRL2_INIT_CXL_RST_CLR_EN 0x0004
+#define PCI_CXL_DEV_CTRL2_INIT_CXL_HDM_STATE_HOTRST 0x0005
+#define PCI_CXL_DEV_STATUS2 0x12
+#define PCI_CXL_DEV_STATUS_CACHE_INV 0x0001
+#define PCI_CXL_DEV_STATUS_RC 0x0002 /* Device Reset Complete */
+#define PCI_CXL_DEV_STATUS_RE 0x0004 /* Device Reset Error */
+#define PCI_CXL_DEV_STATUS_PMC 0x8000 /* Power Management Init Complete */
+#define PCI_CXL_DEV_CAP2 0x16
+#define PCI_CXL_DEV_CAP2_CACHE_UNK 0x0000 /* Cache Size Isn't Reported */
+#define PCI_CXL_DEV_CAP2_CACHE_64K 0x0001 /* Unit Size 64K */
+#define PCI_CXL_DEV_CAP2_CACHE_1M 0x0002 /* Unit Size 1M */
+#define PCI_CXL_DEV_RANGE1_SIZE_HI 0x18
+#define PCI_CXL_DEV_RANGE1_SIZE_LO 0x1c
+#define PCI_CXL_RANGE_VALID 0x0001
+#define PCI_CXL_RANGE_ACTIVE 0x0002
+#define PCI_CXL_RANGE_TYPE(x) (((x) >> 2) & 0x7)
+#define PCI_CXL_RANGE_CLASS(x) (((x) >> 5) & 0x7)
+#define PCI_CXL_RANGE_INTERLEAVE(x) (((x) >> 8) & 0x1f)
+#define PCI_CXL_RANGE_TIMEOUT(x) (((x) >> 13) & 0x7)
+#define PCI_CXL_DEV_RANGE1_BASE_HI 0x20
+#define PCI_CXL_DEV_RANGE1_BASE_LO 0x24
+#define PCI_CXL_DEV_RANGE2_SIZE_HI 0x28
+#define PCI_CXL_DEV_RANGE2_SIZE_LO 0x2c
+#define PCI_CXL_DEV_RANGE2_BASE_HI 0x30
+#define PCI_CXL_DEV_RANGE2_BASE_LO 0x34
+/* From Rev2 */
+#define PCI_CXL_DEV_CAP3 0x38
+#define PCI_CXL_DEV_CAP3_HDM_STATE_RST_COLD 0x0001
+#define PCI_CXL_DEV_CAP3_HDM_STATE_RST_WARM 0x0002
+#define PCI_CXL_DEV_CAP3_HDM_STATE_RST_HOT 0x0003
+#define PCI_CXL_DEV_CAP3_HDM_STATE_RST_HOT_CFG 0x0004
+
+
+/* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Ports */
+#define PCI_CXL_PORT_EXT_LEN 0x28 /* CXL Extensions DVSEC for Ports Length */
+#define PCI_CXL_PORT_EXT_STATUS 0x0a /* Port Extension Status */
+#define PCI_CXL_PORT_PM_INIT_COMPLETE 0x1 /* Port Power Management Initialization Complete */
+#define PCI_CXL_PORT_CTRL 0x0c /* Port Control Override */
+#define PCI_CXL_PORT_UNMASK_SBR 0x0001 /* Unmask SBR */
+#define PCI_CXL_PORT_UNMASK_LINK 0x0002 /* Unmask Link Disable */
+#define PCI_CXL_PORT_ALT_MEMORY 0x0004 /* Alt Memory and ID Space Enable */
+#define PCI_CXL_PORT_ALT_BME 0x0008 /* Alt BME */
+#define PCI_CXL_PORT_VIRAL_EN 0x4000 /* Viral Enable */
+#define PCI_CXL_PORT_ALT_BUS_BASE 0xe
+#define PCI_CXL_PORT_ALT_BUS_LIMIT 0xf
+#define PCI_CXL_PORT_ALT_MEM_BASE 0x10
+#define PCI_CXL_PORT_ALT_MEM_LIMIT 0x12
+
+/* PCIe CXL 2.0 Designated Vendor-Specific Capabilities for Register Locator */
+#define PCI_CXL_RL_BLOCK1_LO 0x0c
+
+/* PCIe CXL Designated Vendor-Specific Capabilities for Global Persistent Flush */
+#define PCI_CXL_GPF_DEV_LEN 0x10
+#define PCI_CXL_GPF_DEV_PHASE2_DUR 0x0a /* GPF Phase 2 Duration Register */
+#define PCI_CXL_GPF_DEV_PHASE2_POW 0x0c /* GPF Phase 2 Power Register */
+#define PCI_CXL_GPF_DEV_1US 0x0
+#define PCI_CXL_GPF_DEV_10US 0x1
+#define PCI_CXL_GPF_DEV_100US 0x2
+#define PCI_CXL_GPF_DEV_1MS 0x3
+#define PCI_CXL_GPF_DEV_10MS 0x4
+#define PCI_CXL_GPF_DEV_100MS 0x5
+#define PCI_CXL_GPF_DEV_1S 0x6
+#define PCI_CXL_GPF_DEV_10S 0x7
+#define PCI_CXL_GPF_PORT_LEN 0x10
+#define PCI_CXL_GPF_PORT_PHASE1_CTRL 0x0c /* GPF Phase 1 Control Register */
+#define PCI_CXL_GPF_PORT_PHASE2_CTRL 0x0e /* GPF Phase 2 Control Register */
+#define PCI_CXL_GPF_PORT_1US 0x0
+#define PCI_CXL_GPF_PORT_10US 0x1
+#define PCI_CXL_GPF_PORT_100US 0x2
+#define PCI_CXL_GPF_PORT_1MS 0x3
+#define PCI_CXL_GPF_PORT_10MS 0x4
+#define PCI_CXL_GPF_PORT_100MS 0x5
+#define PCI_CXL_GPF_PORT_1S 0x6
+#define PCI_CXL_GPF_PORT_10S 0x7
+
+/* PCIe CXL Designated Vendor-Specific Capabilities for Flex Bus Port */
+#define PCI_CXL_FB_LEN 0x20
+#define PCI_CXL_FB_PORT_CAP 0x0a /* CXL Flex Bus Port Capability Register */
+#define PCI_CXL_FB_CAP_CACHE 0x0001 /* CXL.cache Capable */
+#define PCI_CXL_FB_CAP_IO 0x0002 /* CXL.io Capable */
+#define PCI_CXL_FB_CAP_MEM 0x0004 /* CXL.mem Capable */
+#define PCI_CXL_FB_CAP_68B_FLIT 0x0020 /* CXL 68B Flit and VH Capable */
+#define PCI_CXL_FB_CAP_MULT_LOG_DEV 0x0040 /* CXL Multi-Logical Device Capable */
+#define PCI_CXL_FB_CAP_256B_FLIT 0x2000 /* CXL Latency Optimized 256B Flit Capable */
+#define PCI_CXL_FB_CAP_PBR_FLIT 0x4000 /* CXL PBR Flit Capable */
+#define PCI_CXL_FB_PORT_CTRL 0x0c /* CXL Flex Bus Port Control Register */
+#define PCI_CXL_FB_CTRL_CACHE 0x0001 /* CXL.cache Enable */
+#define PCI_CXL_FB_CTRL_IO 0x0002 /* CXL.io Enable */
+#define PCI_CXL_FB_CTRL_MEM 0x0004 /* CXL.mem Enable */
+#define PCI_CXL_FB_CTRL_SYNC_HDR_BYP 0x0008 /* CXL Sync Header Bypass Enable */
+#define PCI_CXL_FB_CTRL_DRFT_BUF 0x0010 /* Drift Buffer Enable */
+#define PCI_CXL_FB_CTRL_68B_FLIT 0x0020 /* CXL 68B Flit and VH Enable */
+#define PCI_CXL_FB_CTRL_MULT_LOG_DEV 0x0040 /* CXL Multi Logical Device Enable */
+#define PCI_CXL_FB_CTRL_RCD 0x0080 /* Disable RCD Training */
+#define PCI_CXL_FB_CTRL_RETIMER1 0x0100 /* Retimer1 Present */
+#define PCI_CXL_FB_CTRL_RETIMER2 0x0200 /* Retimer2 Present */
+#define PCI_CXL_FB_CTRL_256B_FLIT 0x2000 /* CXL Latency Optimized 256B Flit Enable */
+#define PCI_CXL_FB_CTRL_PBR_FLIT 0x4000 /* CXL PBR Flit Enable */
+#define PCI_CXL_FB_PORT_STATUS 0x0e /* CXL Flex Bus Port Status Register */
+#define PCI_CXL_FB_STAT_CACHE 0x0001 /* CXL.cache Enabled */
+#define PCI_CXL_FB_STAT_IO 0x0002 /* CXL.io Enabled */
+#define PCI_CXL_FB_STAT_MEM 0x0004 /* CXL.mem Enabled */
+#define PCI_CXL_FB_STAT_SYNC_HDR_BYP 0x0008 /* CXL Sync Header Bypass Enabled */
+#define PCI_CXL_FB_STAT_DRFT_BUF 0x0010 /* Drift Buffer Enabled */
+#define PCI_CXL_FB_STAT_68B_FLIT 0x0020 /* CXL 68B Flit and VH Enabled */
+#define PCI_CXL_FB_STAT_MULT_LOG_DEV 0x0040 /* CXL Multi Logical Device Enabled */
+#define PCI_CXL_FB_STAT_256B_FLIT 0x2000 /* CXL Latency Optimized 256B Flit Enabled */
+#define PCI_CXL_FB_STAT_PBR_FLIT 0x4000 /* CXL PBR Flit Enabled */
+#define PCI_CXL_FB_MOD_TS_DATA 0x10 /* CXL Flex Bus Port Received Modified TS Data Phase1 Register */
+#define PCI_CXL_FB_PORT_CAP2 0x14 /* CXL Flex Bus Port Capability2 Register */
+#define PCI_CXL_FB_CAP2_NOP_HINT 0x01 /* NOP Hint Capable */
+#define PCI_CXL_FB_PORT_CTRL2 0x18 /* CXL Flex Bus Port Control2 Register */
+#define PCI_CXL_FB_CTRL2_NOP_HINT 0x01 /* NOP Hint Enable */
+#define PCI_CXL_FB_PORT_STATUS2 0x1c /* CXL Flex Bus Port Status2 Register */
+#define PCI_CXL_FB_NEXT_UNSUPPORTED 0x20
+
+/* PCIe CXL Designated Vendor-Specific Capabilities for Multi-Logical Device */
+#define PCI_CXL_MLD_LEN 0x10
+#define PCI_CXL_MLD_NUM_LD 0xa
+#define PCI_CXL_MLD_MAX_LD 0x10
+
+/* PCIe CXL Designated Vendor-Specific Capabilities for Non-CXL Function Map */
+#define PCI_CXL_FUN_MAP_LEN 0x2c
+#define PCI_CXL_FUN_MAP_REG_0 0x0c
+#define PCI_CXL_FUN_MAP_REG_1 0x10
+#define PCI_CXL_FUN_MAP_REG_2 0x14
+#define PCI_CXL_FUN_MAP_REG_3 0x18
+#define PCI_CXL_FUN_MAP_REG_4 0x1c
+#define PCI_CXL_FUN_MAP_REG_5 0x20
+#define PCI_CXL_FUN_MAP_REG_6 0x24
+#define PCI_CXL_FUN_MAP_REG_7 0x28
+
/* Access Control Services */
#define PCI_ACS_CAP 0x04 /* ACS Capability Register */
#define PCI_ACS_CAP_VALID 0x0001 /* ACS Source Validation */
/* 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_VF_10BIT_TAG_REQ 0x00000004 /* VF 10-Bit Tag Requester Supported */
#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_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_CTRL_VF_10BIT_TAG_REQ_EN 0x0020 /* VF 10-Bit Tag Requester Enable */
#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_MSA_BIR(x) ((x) & 7) /* VF Migration State BIR */
#define PCI_IOV_MSA_OFFSET(x) ((x) & 0xfffffff8) /* VF Migration State Offset */
+/* Multicast */
+#define PCI_MCAST_CAP 0x04 /* Multicast Capability */
+#define PCI_MCAST_CAP_MAX_GROUP(x) ((x) & 0x3f)
+#define PCI_MCAST_CAP_WIN_SIZE(x) (((x) >> 8) & 0x3f)
+#define PCI_MCAST_CAP_ECRC 0x8000 /* ECRC Regeneration Supported */
+#define PCI_MCAST_CTRL 0x06 /* Multicast Control */
+#define PCI_MCAST_CTRL_NUM_GROUP(x) ((x) & 0x3f)
+#define PCI_MCAST_CTRL_ENABLE 0x8000 /* MC Enabled */
+#define PCI_MCAST_BAR 0x08 /* Base Address */
+#define PCI_MCAST_BAR_INDEX_POS(x) ((u32) ((x) & 0x3f))
+#define PCI_MCAST_BAR_MASK (~0xfffUL)
+#define PCI_MCAST_RCV 0x10 /* Receive */
+#define PCI_MCAST_BLOCK 0x18 /* Block All */
+#define PCI_MCAST_BLOCK_UNTRANS 0x20 /* Block Untranslated */
+#define PCI_MCAST_OVL_BAR 0x28 /* Overlay BAR */
+#define PCI_MCAST_OVL_SIZE(x) ((u32) ((x) & 0x3f))
+#define PCI_MCAST_OVL_MASK (~0x3fUL)
+
/* Page Request Interface */
#define PCI_PRI_CTRL 0x04 /* PRI Control Register */
#define PCI_PRI_CTRL_ENABLE 0x01 /* Enable */
#define PCI_PRI_CTRL_RESET 0x02 /* Reset */
#define PCI_PRI_STATUS 0x06 /* PRI status register */
-#define PCI_PRI_STATUS_RF 0x001 /* Response Failure */
-#define PCI_PRI_STATUS_UPRGI 0x002 /* Unexpected PRG index */
-#define PCI_PRI_STATUS_STOPPED 0x100 /* PRI Stopped */
+#define PCI_PRI_STATUS_RF 0x0001 /* Response Failure */
+#define PCI_PRI_STATUS_UPRGI 0x0002 /* Unexpected PRG index */
+#define PCI_PRI_STATUS_STOPPED 0x0100 /* PRI Stopped */
+#define PCI_PRI_STATUS_PASID 0x8000 /* PASID required in PRG response */
#define PCI_PRI_MAX_REQ 0x08 /* PRI max reqs supported */
#define PCI_PRI_ALLOC_REQ 0x0c /* PRI max reqs allowed */
#define PCI_LTR_SCALE_MASK (7)
#define PCI_LTR_MAX_NOSNOOP 6 /* 16 bit value */
+/* Secondary PCI Express Extended Capability */
+#define PCI_SEC_LNKCTL3 4 /* Link Control 3 register */
+#define PCI_SEC_LNKCTL3_PERFORM_LINK_EQU 0x01
+#define PCI_SEC_LNKCTL3_LNK_EQU_REQ_INTR_EN 0x02
+#define PCI_SEC_LNKCTL3_ENBL_LOWER_SKP_OS_GEN_VEC(x) ((x >> 8) & 0x7F)
+#define PCI_SEC_LANE_ERR 8 /* Lane Error status register */
+#define PCI_SEC_LANE_EQU_CTRL 12 /* Lane Equalization control register */
+
/* Process Address Space ID */
#define PCI_PASID_CAP 0x04 /* PASID feature register */
#define PCI_PASID_CAP_EXEC 0x02 /* Exec permissions Supported */
#define PCI_DPC_CAP 4 /* DPC Capability */
#define PCI_DPC_CAP_INT_MSG(x) ((x) & 0x1f) /* DPC Interrupt Message Number */
-#define PCI_DPC_CAP_RP_EXT 0x20 /* DPC Root Port Extentions */
+#define PCI_DPC_CAP_RP_EXT 0x20 /* DPC Root Port Extensions */
#define PCI_DPC_CAP_TLP_BLOCK 0x40 /* DPC Poisoned TLP Egress Blocking */
#define PCI_DPC_CAP_SW_TRIGGER 0x80 /* DPC Software Trigger */
#define PCI_DPC_CAP_RP_LOG(x) (((x) >> 8) & 0xf) /* DPC RP PIO Log Size */
#define PCI_DPC_STS_REASON(x) (((x) >> 1) & 0x3) /* DPC Trigger Reason */
#define PCI_DPC_STS_INT 0x08 /* DPC Interrupt Status */
#define PCI_DPC_STS_RP_BUSY 0x10 /* DPC Root Port Busy */
-#define PCI_DPC_STS_TRIGGER_EXT(x) (((x) >> 5) & 0x3) /* Trigger Reason Extention */
+#define PCI_DPC_STS_TRIGGER_EXT(x) (((x) >> 5) & 0x3) /* Trigger Reason Extension */
#define PCI_DPC_STS_PIO_FEP(x) (((x) >> 8) & 0x1f) /* DPC PIO First Error Pointer */
#define PCI_DPC_SOURCE 10 /* DPC Source ID */
#define PCI_L1PM_SUBSTAT_CAP_PM_L11 0x2 /* PCI-PM L1.1 Supported */
#define PCI_L1PM_SUBSTAT_CAP_ASPM_L12 0x4 /* ASPM L1.2 Supported */
#define PCI_L1PM_SUBSTAT_CAP_ASPM_L11 0x8 /* ASPM L1.1 Supported */
-#define PCI_L1PM_SUBSTAT_CAP_L1PM_SUPP 0x16 /* L1 PM Substates supported */
+#define PCI_L1PM_SUBSTAT_CAP_L1PM_SUPP 0x10 /* L1 PM Substates supported */
#define PCI_L1PM_SUBSTAT_CTL1 0x8 /* L1 PM Substate Control 1 */
#define PCI_L1PM_SUBSTAT_CTL1_PM_L12 0x1 /* PCI-PM L1.2 Enable */
#define PCI_L1PM_SUBSTAT_CTL1_PM_L11 0x2 /* PCI-PM L1.1 Enable */
#define PCI_L1PM_SUBSTAT_CTL1_ASPM_L11 0x8 /* ASPM L1.1 Enable */
#define PCI_L1PM_SUBSTAT_CTL2 0xC /* L1 PM Substate Control 2 */
+/* Data Object Exchange Extended Capability */
+#define PCI_DOE_CAP 0x4 /* DOE Capabilities Register */
+#define PCI_DOE_CAP_INT_SUPP 0x1 /* Interrupt Support */
+#define PCI_DOE_CAP_INT_MSG(x) (((x) >> 1) & 0x7ff) /* DOE Interrupt Message Number */
+#define PCI_DOE_CTL 0x8 /* DOE Control Register */
+#define PCI_DOE_CTL_ABORT 0x1 /* DOE Abort */
+#define PCI_DOE_CTL_INT 0x2 /* DOE Interrupt Enable */
+#define PCI_DOE_CTL_GO 0x80000000 /* DOE Go */
+#define PCI_DOE_STS 0xC /* DOE Status Register */
+#define PCI_DOE_STS_BUSY 0x1 /* DOE Busy */
+#define PCI_DOE_STS_INT 0x2 /* DOE Interrupt Status */
+#define PCI_DOE_STS_ERROR 0x4 /* DOE Error */
+#define PCI_DOE_STS_OBJECT_READY 0x80000000 /* Data Object Ready */
+
/*
* The PCI interface treats multi-function devices as independent
* devices. The slot/function address of each device is encoded
/* I/O resource flags, compatible with <include/linux/ioport.h> */
+#define PCI_IORESOURCE_TYPE_BITS 0x00001f00
+#define PCI_IORESOURCE_IO 0x00000100
+#define PCI_IORESOURCE_MEM 0x00000200
+#define PCI_IORESOURCE_PREFETCH 0x00002000
+#define PCI_IORESOURCE_MEM_64 0x00100000
+#define PCI_IORESOURCE_IO_16BIT_ADDR (1<<0)
#define PCI_IORESOURCE_PCI_EA_BEI (1<<5)