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Diffstat (limited to 'include/standard-headers/linux/pci_regs.h')
-rw-r--r--include/standard-headers/linux/pci_regs.h140
1 files changed, 73 insertions, 67 deletions
diff --git a/include/standard-headers/linux/pci_regs.h b/include/standard-headers/linux/pci_regs.h
index e1e9888c85..27164769d1 100644
--- a/include/standard-headers/linux/pci_regs.h
+++ b/include/standard-headers/linux/pci_regs.h
@@ -1,7 +1,5 @@
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
- * pci_regs.h
- *
* PCI standard defines
* Copyright 1994, Drew Eckhardt
* Copyright 1997--1999 Martin Mares <mj@ucw.cz>
@@ -15,7 +13,7 @@
* PCI System Design Guide
*
* For HyperTransport information, please consult the following manuals
- * from http://www.hypertransport.org
+ * from http://www.hypertransport.org :
*
* The HyperTransport I/O Link Specification
*/
@@ -301,7 +299,7 @@
#define PCI_SID_ESR_FIC 0x20 /* First In Chassis Flag */
#define PCI_SID_CHASSIS_NR 3 /* Chassis Number */
-/* Message Signalled Interrupts registers */
+/* Message Signalled Interrupt registers */
#define PCI_MSI_FLAGS 2 /* Message Control */
#define PCI_MSI_FLAGS_ENABLE 0x0001 /* MSI feature enabled */
@@ -319,7 +317,7 @@
#define PCI_MSI_MASK_64 16 /* Mask bits register for 64-bit devices */
#define PCI_MSI_PENDING_64 20 /* Pending intrs for 64-bit devices */
-/* MSI-X registers */
+/* MSI-X registers (in MSI-X capability) */
#define PCI_MSIX_FLAGS 2 /* Message Control */
#define PCI_MSIX_FLAGS_QSIZE 0x07FF /* Table size */
#define PCI_MSIX_FLAGS_MASKALL 0x4000 /* Mask all vectors for this function */
@@ -333,13 +331,13 @@
#define PCI_MSIX_FLAGS_BIRMASK PCI_MSIX_PBA_BIR /* deprecated */
#define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */
-/* MSI-X Table entry format */
+/* MSI-X Table entry format (in memory mapped by a BAR) */
#define PCI_MSIX_ENTRY_SIZE 16
-#define PCI_MSIX_ENTRY_LOWER_ADDR 0
-#define PCI_MSIX_ENTRY_UPPER_ADDR 4
-#define PCI_MSIX_ENTRY_DATA 8
-#define PCI_MSIX_ENTRY_VECTOR_CTRL 12
-#define PCI_MSIX_ENTRY_CTRL_MASKBIT 1
+#define PCI_MSIX_ENTRY_LOWER_ADDR 0 /* Message Address */
+#define PCI_MSIX_ENTRY_UPPER_ADDR 4 /* Message Upper Address */
+#define PCI_MSIX_ENTRY_DATA 8 /* Message Data */
+#define PCI_MSIX_ENTRY_VECTOR_CTRL 12 /* Vector Control */
+#define PCI_MSIX_ENTRY_CTRL_MASKBIT 0x00000001
/* CompactPCI Hotswap Register */
@@ -372,6 +370,12 @@
#define PCI_EA_FIRST_ENT_BRIDGE 8 /* First EA Entry for Bridges */
#define PCI_EA_ES 0x00000007 /* Entry Size */
#define PCI_EA_BEI 0x000000f0 /* BAR Equivalent Indicator */
+
+/* EA fixed Secondary and Subordinate bus numbers for Bridge */
+#define PCI_EA_SEC_BUS_MASK 0xff
+#define PCI_EA_SUB_BUS_MASK 0xff00
+#define PCI_EA_SUB_BUS_SHIFT 8
+
/* 0-5 map to BARs 0-5 respectively */
#define PCI_EA_BEI_BAR0 0
#define PCI_EA_BEI_BAR5 5
@@ -465,19 +469,19 @@
/* PCI Express capability registers */
#define PCI_EXP_FLAGS 2 /* Capabilities register */
-#define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */
-#define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
-#define PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */
-#define PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */
-#define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
-#define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */
-#define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */
-#define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCIe to PCI/PCI-X Bridge */
-#define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIe Bridge */
-#define PCI_EXP_TYPE_RC_END 0x9 /* Root Complex Integrated Endpoint */
-#define PCI_EXP_TYPE_RC_EC 0xa /* Root Complex Event Collector */
-#define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */
-#define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */
+#define PCI_EXP_FLAGS_VERS 0x000f /* Capability version */
+#define PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */
+#define PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */
+#define PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */
+#define PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */
+#define PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */
+#define PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */
+#define PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCIe to PCI/PCI-X Bridge */
+#define PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIe Bridge */
+#define PCI_EXP_TYPE_RC_END 0x9 /* Root Complex Integrated Endpoint */
+#define PCI_EXP_TYPE_RC_EC 0xa /* Root Complex Event Collector */
+#define PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */
+#define PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */
#define PCI_EXP_DEVCAP 4 /* Device capabilities */
#define PCI_EXP_DEVCAP_PAYLOAD 0x00000007 /* Max_Payload_Size */
#define PCI_EXP_DEVCAP_PHANTOM 0x00000018 /* Phantom functions */
@@ -616,8 +620,8 @@
#define PCI_EXP_RTCAP 30 /* Root Capabilities */
#define PCI_EXP_RTCAP_CRSVIS 0x0001 /* CRS Software Visibility capability */
#define PCI_EXP_RTSTA 32 /* Root Status */
-#define PCI_EXP_RTSTA_PME 0x00010000 /* PME status */
-#define PCI_EXP_RTSTA_PENDING 0x00020000 /* PME pending */
+#define PCI_EXP_RTSTA_PME 0x00010000 /* PME status */
+#define PCI_EXP_RTSTA_PENDING 0x00020000 /* PME pending */
/*
* The Device Capabilities 2, Device Status 2, Device Control 2,
* Link Capabilities 2, Link Status 2, Link Control 2,
@@ -637,13 +641,13 @@
#define PCI_EXP_DEVCAP2_OBFF_MASK 0x000c0000 /* OBFF support mechanism */
#define PCI_EXP_DEVCAP2_OBFF_MSG 0x00040000 /* New message signaling */
#define PCI_EXP_DEVCAP2_OBFF_WAKE 0x00080000 /* Re-use WAKE# for OBFF */
-#define PCI_EXP_DEVCAP2_EE_PREFIX 0x00200000 /* End-End TLP Prefix */
+#define PCI_EXP_DEVCAP2_EE_PREFIX 0x00200000 /* End-End TLP Prefix */
#define PCI_EXP_DEVCTL2 40 /* Device Control 2 */
#define PCI_EXP_DEVCTL2_COMP_TIMEOUT 0x000f /* Completion Timeout Value */
#define PCI_EXP_DEVCTL2_COMP_TMOUT_DIS 0x0010 /* Completion Timeout Disable */
#define PCI_EXP_DEVCTL2_ARI 0x0020 /* Alternative Routing-ID */
-#define PCI_EXP_DEVCTL2_ATOMIC_REQ 0x0040 /* Set Atomic requests */
-#define PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK 0x0080 /* Block atomic egress */
+#define PCI_EXP_DEVCTL2_ATOMIC_REQ 0x0040 /* Set Atomic requests */
+#define PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK 0x0080 /* Block atomic egress */
#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_EN 0x0400 /* Enable LTR mechanism */
@@ -659,11 +663,11 @@
#define PCI_EXP_LNKCAP2_SLS_16_0GB 0x00000010 /* Supported Speed 16GT/s */
#define PCI_EXP_LNKCAP2_CROSSLINK 0x00000100 /* Crosslink supported */
#define PCI_EXP_LNKCTL2 48 /* Link Control 2 */
-#define PCI_EXP_LNKCTL2_TLS 0x000f
-#define PCI_EXP_LNKCTL2_TLS_2_5GT 0x0001 /* Supported Speed 2.5GT/s */
-#define PCI_EXP_LNKCTL2_TLS_5_0GT 0x0002 /* Supported Speed 5GT/s */
-#define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */
-#define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */
+#define PCI_EXP_LNKCTL2_TLS 0x000f
+#define PCI_EXP_LNKCTL2_TLS_2_5GT 0x0001 /* Supported Speed 2.5GT/s */
+#define PCI_EXP_LNKCTL2_TLS_5_0GT 0x0002 /* Supported Speed 5GT/s */
+#define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */
+#define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */
#define PCI_EXP_LNKSTA2 50 /* Link Status 2 */
#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 52 /* v2 endpoints with link end here */
#define PCI_EXP_SLTCAP2 52 /* Slot Capabilities 2 */
@@ -752,18 +756,18 @@
#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_CMD_COR_EN 0x00000001 /* Correctable Err Reporting Enable */
-#define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002 /* Non-Fatal Err Reporting Enable */
-#define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004 /* Fatal Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_COR_EN 0x00000001 /* Correctable Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002 /* Non-Fatal Err Reporting Enable */
+#define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004 /* Fatal Err Reporting Enable */
#define PCI_ERR_ROOT_STATUS 48
-#define PCI_ERR_ROOT_COR_RCV 0x00000001 /* ERR_COR Received */
-#define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002 /* Multiple ERR_COR */
-#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004 /* ERR_FATAL/NONFATAL */
-#define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008 /* Multiple FATAL/NONFATAL */
-#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First UNC is Fatal */
-#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Received */
-#define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Received */
-#define PCI_ERR_ROOT_AER_IRQ 0xf8000000 /* Advanced Error Interrupt Message Number */
+#define PCI_ERR_ROOT_COR_RCV 0x00000001 /* ERR_COR Received */
+#define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002 /* Multiple ERR_COR */
+#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004 /* ERR_FATAL/NONFATAL */
+#define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008 /* Multiple FATAL/NONFATAL */
+#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010 /* First UNC is Fatal */
+#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020 /* Non-Fatal Received */
+#define PCI_ERR_ROOT_FATAL_RCV 0x00000040 /* Fatal Received */
+#define PCI_ERR_ROOT_AER_IRQ 0xf8000000 /* Advanced Error Interrupt Message Number */
#define PCI_ERR_ROOT_ERR_SRC 52 /* Error Source Identification */
/* Virtual Channel */
@@ -866,6 +870,7 @@
#define PCI_ATS_CAP 0x04 /* ATS Capability Register */
#define PCI_ATS_CAP_QDEP(x) ((x) & 0x1f) /* Invalidate Queue Depth */
#define PCI_ATS_MAX_QDEP 32 /* Max Invalidate Queue Depth */
+#define PCI_ATS_CAP_PAGE_ALIGNED 0x0020 /* Page Aligned Request */
#define PCI_ATS_CTRL 0x06 /* ATS Control Register */
#define PCI_ATS_CTRL_ENABLE 0x8000 /* ATS Enable */
#define PCI_ATS_CTRL_STU(x) ((x) & 0x1f) /* Smallest Translation Unit */
@@ -874,12 +879,13 @@
/* 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_CTRL_ENABLE 0x0001 /* Enable */
+#define PCI_PRI_CTRL_RESET 0x0002 /* 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 /* PRG Response PASID Required */
#define PCI_PRI_MAX_REQ 0x08 /* PRI max reqs supported */
#define PCI_PRI_ALLOC_REQ 0x0c /* PRI max reqs allowed */
#define PCI_EXT_CAP_PRI_SIZEOF 16
@@ -896,16 +902,16 @@
/* Single Root I/O Virtualization */
#define PCI_SRIOV_CAP 0x04 /* SR-IOV Capabilities */
-#define PCI_SRIOV_CAP_VFM 0x01 /* VF Migration Capable */
+#define PCI_SRIOV_CAP_VFM 0x00000001 /* VF Migration Capable */
#define PCI_SRIOV_CAP_INTR(x) ((x) >> 21) /* Interrupt Message Number */
#define PCI_SRIOV_CTRL 0x08 /* SR-IOV Control */
-#define PCI_SRIOV_CTRL_VFE 0x01 /* VF Enable */
-#define PCI_SRIOV_CTRL_VFM 0x02 /* VF Migration Enable */
-#define PCI_SRIOV_CTRL_INTR 0x04 /* VF Migration Interrupt Enable */
-#define PCI_SRIOV_CTRL_MSE 0x08 /* VF Memory Space Enable */
-#define PCI_SRIOV_CTRL_ARI 0x10 /* ARI Capable Hierarchy */
+#define PCI_SRIOV_CTRL_VFE 0x0001 /* VF Enable */
+#define PCI_SRIOV_CTRL_VFM 0x0002 /* VF Migration Enable */
+#define PCI_SRIOV_CTRL_INTR 0x0004 /* VF Migration Interrupt Enable */
+#define PCI_SRIOV_CTRL_MSE 0x0008 /* VF Memory Space Enable */
+#define PCI_SRIOV_CTRL_ARI 0x0010 /* ARI Capable Hierarchy */
#define PCI_SRIOV_STATUS 0x0a /* SR-IOV Status */
-#define PCI_SRIOV_STATUS_VFM 0x01 /* VF Migration Status */
+#define PCI_SRIOV_STATUS_VFM 0x0001 /* VF Migration Status */
#define PCI_SRIOV_INITIAL_VF 0x0c /* Initial VFs */
#define PCI_SRIOV_TOTAL_VF 0x0e /* Total VFs */
#define PCI_SRIOV_NUM_VF 0x10 /* Number of VFs */
@@ -935,13 +941,13 @@
/* Access Control Service */
#define PCI_ACS_CAP 0x04 /* ACS Capability Register */
-#define PCI_ACS_SV 0x01 /* Source Validation */
-#define PCI_ACS_TB 0x02 /* Translation Blocking */
-#define PCI_ACS_RR 0x04 /* P2P Request Redirect */
-#define PCI_ACS_CR 0x08 /* P2P Completion Redirect */
-#define PCI_ACS_UF 0x10 /* Upstream Forwarding */
-#define PCI_ACS_EC 0x20 /* P2P Egress Control */
-#define PCI_ACS_DT 0x40 /* Direct Translated P2P */
+#define PCI_ACS_SV 0x0001 /* Source Validation */
+#define PCI_ACS_TB 0x0002 /* Translation Blocking */
+#define PCI_ACS_RR 0x0004 /* P2P Request Redirect */
+#define PCI_ACS_CR 0x0008 /* P2P Completion Redirect */
+#define PCI_ACS_UF 0x0010 /* Upstream Forwarding */
+#define PCI_ACS_EC 0x0020 /* P2P Egress Control */
+#define PCI_ACS_DT 0x0040 /* Direct Translated P2P */
#define PCI_ACS_EGRESS_BITS 0x05 /* ACS Egress Control Vector Size */
#define PCI_ACS_CTRL 0x06 /* ACS Control Register */
#define PCI_ACS_EGRESS_CTL_V 0x08 /* ACS Egress Control Vector */
@@ -991,9 +997,9 @@
#define PCI_EXP_DPC_CAP_DL_ACTIVE 0x1000 /* ERR_COR signal on DL_Active supported */
#define PCI_EXP_DPC_CTL 6 /* DPC control */
-#define PCI_EXP_DPC_CTL_EN_FATAL 0x0001 /* Enable trigger on ERR_FATAL message */
-#define PCI_EXP_DPC_CTL_EN_NONFATAL 0x0002 /* Enable trigger on ERR_NONFATAL message */
-#define PCI_EXP_DPC_CTL_INT_EN 0x0008 /* DPC Interrupt Enable */
+#define PCI_EXP_DPC_CTL_EN_FATAL 0x0001 /* Enable trigger on ERR_FATAL message */
+#define PCI_EXP_DPC_CTL_EN_NONFATAL 0x0002 /* Enable trigger on ERR_NONFATAL message */
+#define PCI_EXP_DPC_CTL_INT_EN 0x0008 /* DPC Interrupt Enable */
#define PCI_EXP_DPC_STATUS 8 /* DPC Status */
#define PCI_EXP_DPC_STATUS_TRIGGER 0x0001 /* Trigger Status */