Release 4.12 include/uapi/linux/pci_regs.h
/*
* pci_regs.h
*
* PCI standard defines
* Copyright 1994, Drew Eckhardt
* Copyright 1997--1999 Martin Mares <mj@ucw.cz>
*
* For more information, please consult the following manuals (look at
* http://www.pcisig.com/ for how to get them):
*
* PCI BIOS Specification
* PCI Local Bus Specification
* PCI to PCI Bridge Specification
* PCI System Design Guide
*
* For HyperTransport information, please consult the following manuals
* from http://www.hypertransport.org
*
* The HyperTransport I/O Link Specification
*/
#ifndef LINUX_PCI_REGS_H
#define LINUX_PCI_REGS_H
/*
* Conventional PCI and PCI-X Mode 1 devices have 256 bytes of
* configuration space. PCI-X Mode 2 and PCIe devices have 4096 bytes of
* configuration space.
*/
#define PCI_CFG_SPACE_SIZE 256
#define PCI_CFG_SPACE_EXP_SIZE 4096
/*
* Under PCI, each device has 256 bytes of configuration address space,
* of which the first 64 bytes are standardized as follows:
*/
#define PCI_STD_HEADER_SIZEOF 64
#define PCI_VENDOR_ID 0x00
/* 16 bits */
#define PCI_DEVICE_ID 0x02
/* 16 bits */
#define PCI_COMMAND 0x04
/* 16 bits */
#define PCI_COMMAND_IO 0x1
/* Enable response in I/O space */
#define PCI_COMMAND_MEMORY 0x2
/* Enable response in Memory space */
#define PCI_COMMAND_MASTER 0x4
/* Enable bus mastering */
#define PCI_COMMAND_SPECIAL 0x8
/* Enable response to special cycles */
#define PCI_COMMAND_INVALIDATE 0x10
/* Use memory write and invalidate */
#define PCI_COMMAND_VGA_PALETTE 0x20
/* Enable palette snooping */
#define PCI_COMMAND_PARITY 0x40
/* Enable parity checking */
#define PCI_COMMAND_WAIT 0x80
/* Enable address/data stepping */
#define PCI_COMMAND_SERR 0x100
/* Enable SERR */
#define PCI_COMMAND_FAST_BACK 0x200
/* Enable back-to-back writes */
#define PCI_COMMAND_INTX_DISABLE 0x400
/* INTx Emulation Disable */
#define PCI_STATUS 0x06
/* 16 bits */
#define PCI_STATUS_INTERRUPT 0x08
/* Interrupt status */
#define PCI_STATUS_CAP_LIST 0x10
/* Support Capability List */
#define PCI_STATUS_66MHZ 0x20
/* Support 66 MHz PCI 2.1 bus */
#define PCI_STATUS_UDF 0x40
/* Support User Definable Features [obsolete] */
#define PCI_STATUS_FAST_BACK 0x80
/* Accept fast-back to back */
#define PCI_STATUS_PARITY 0x100
/* Detected parity error */
#define PCI_STATUS_DEVSEL_MASK 0x600
/* DEVSEL timing */
#define PCI_STATUS_DEVSEL_FAST 0x000
#define PCI_STATUS_DEVSEL_MEDIUM 0x200
#define PCI_STATUS_DEVSEL_SLOW 0x400
#define PCI_STATUS_SIG_TARGET_ABORT 0x800
/* Set on target abort */
#define PCI_STATUS_REC_TARGET_ABORT 0x1000
/* Master ack of " */
#define PCI_STATUS_REC_MASTER_ABORT 0x2000
/* Set on master abort */
#define PCI_STATUS_SIG_SYSTEM_ERROR 0x4000
/* Set when we drive SERR */
#define PCI_STATUS_DETECTED_PARITY 0x8000
/* Set on parity error */
#define PCI_CLASS_REVISION 0x08
/* High 24 bits are class, low 8 revision */
#define PCI_REVISION_ID 0x08
/* Revision ID */
#define PCI_CLASS_PROG 0x09
/* Reg. Level Programming Interface */
#define PCI_CLASS_DEVICE 0x0a
/* Device class */
#define PCI_CACHE_LINE_SIZE 0x0c
/* 8 bits */
#define PCI_LATENCY_TIMER 0x0d
/* 8 bits */
#define PCI_HEADER_TYPE 0x0e
/* 8 bits */
#define PCI_HEADER_TYPE_NORMAL 0
#define PCI_HEADER_TYPE_BRIDGE 1
#define PCI_HEADER_TYPE_CARDBUS 2
#define PCI_BIST 0x0f
/* 8 bits */
#define PCI_BIST_CODE_MASK 0x0f
/* Return result */
#define PCI_BIST_START 0x40
/* 1 to start BIST, 2 secs or less */
#define PCI_BIST_CAPABLE 0x80
/* 1 if BIST capable */
/*
* Base addresses specify locations in memory or I/O space.
* Decoded size can be determined by writing a value of
* 0xffffffff to the register, and reading it back. Only
* 1 bits are decoded.
*/
#define PCI_BASE_ADDRESS_0 0x10
/* 32 bits */
#define PCI_BASE_ADDRESS_1 0x14
/* 32 bits [htype 0,1 only] */
#define PCI_BASE_ADDRESS_2 0x18
/* 32 bits [htype 0 only] */
#define PCI_BASE_ADDRESS_3 0x1c
/* 32 bits */
#define PCI_BASE_ADDRESS_4 0x20
/* 32 bits */
#define PCI_BASE_ADDRESS_5 0x24
/* 32 bits */
#define PCI_BASE_ADDRESS_SPACE 0x01
/* 0 = memory, 1 = I/O */
#define PCI_BASE_ADDRESS_SPACE_IO 0x01
#define PCI_BASE_ADDRESS_SPACE_MEMORY 0x00
#define PCI_BASE_ADDRESS_MEM_TYPE_MASK 0x06
#define PCI_BASE_ADDRESS_MEM_TYPE_32 0x00
/* 32 bit address */
#define PCI_BASE_ADDRESS_MEM_TYPE_1M 0x02
/* Below 1M [obsolete] */
#define PCI_BASE_ADDRESS_MEM_TYPE_64 0x04
/* 64 bit address */
#define PCI_BASE_ADDRESS_MEM_PREFETCH 0x08
/* prefetchable? */
#define PCI_BASE_ADDRESS_MEM_MASK (~0x0fUL)
#define PCI_BASE_ADDRESS_IO_MASK (~0x03UL)
/* bit 1 is reserved if address_space = 1 */
/* Header type 0 (normal devices) */
#define PCI_CARDBUS_CIS 0x28
#define PCI_SUBSYSTEM_VENDOR_ID 0x2c
#define PCI_SUBSYSTEM_ID 0x2e
#define PCI_ROM_ADDRESS 0x30
/* Bits 31..11 are address, 10..1 reserved */
#define PCI_ROM_ADDRESS_ENABLE 0x01
#define PCI_ROM_ADDRESS_MASK (~0x7ffU)
#define PCI_CAPABILITY_LIST 0x34
/* Offset of first capability list entry */
/* 0x35-0x3b are reserved */
#define PCI_INTERRUPT_LINE 0x3c
/* 8 bits */
#define PCI_INTERRUPT_PIN 0x3d
/* 8 bits */
#define PCI_MIN_GNT 0x3e
/* 8 bits */
#define PCI_MAX_LAT 0x3f
/* 8 bits */
/* Header type 1 (PCI-to-PCI bridges) */
#define PCI_PRIMARY_BUS 0x18
/* Primary bus number */
#define PCI_SECONDARY_BUS 0x19
/* Secondary bus number */
#define PCI_SUBORDINATE_BUS 0x1a
/* Highest bus number behind the bridge */
#define PCI_SEC_LATENCY_TIMER 0x1b
/* Latency timer for secondary interface */
#define PCI_IO_BASE 0x1c
/* I/O range behind the bridge */
#define PCI_IO_LIMIT 0x1d
#define PCI_IO_RANGE_TYPE_MASK 0x0fUL
/* I/O bridging type */
#define PCI_IO_RANGE_TYPE_16 0x00
#define PCI_IO_RANGE_TYPE_32 0x01
#define PCI_IO_RANGE_MASK (~0x0fUL)
/* Standard 4K I/O windows */
#define PCI_IO_1K_RANGE_MASK (~0x03UL)
/* Intel 1K I/O windows */
#define PCI_SEC_STATUS 0x1e
/* Secondary status register, only bit 14 used */
#define PCI_MEMORY_BASE 0x20
/* Memory range behind */
#define PCI_MEMORY_LIMIT 0x22
#define PCI_MEMORY_RANGE_TYPE_MASK 0x0fUL
#define PCI_MEMORY_RANGE_MASK (~0x0fUL)
#define PCI_PREF_MEMORY_BASE 0x24
/* Prefetchable memory range behind */
#define PCI_PREF_MEMORY_LIMIT 0x26
#define PCI_PREF_RANGE_TYPE_MASK 0x0fUL
#define PCI_PREF_RANGE_TYPE_32 0x00
#define PCI_PREF_RANGE_TYPE_64 0x01
#define PCI_PREF_RANGE_MASK (~0x0fUL)
#define PCI_PREF_BASE_UPPER32 0x28
/* Upper half of prefetchable memory range */
#define PCI_PREF_LIMIT_UPPER32 0x2c
#define PCI_IO_BASE_UPPER16 0x30
/* Upper half of I/O addresses */
#define PCI_IO_LIMIT_UPPER16 0x32
/* 0x34 same as for htype 0 */
/* 0x35-0x3b is reserved */
#define PCI_ROM_ADDRESS1 0x38
/* Same as PCI_ROM_ADDRESS, but for htype 1 */
/* 0x3c-0x3d are same as for htype 0 */
#define PCI_BRIDGE_CONTROL 0x3e
#define PCI_BRIDGE_CTL_PARITY 0x01
/* Enable parity detection on secondary interface */
#define PCI_BRIDGE_CTL_SERR 0x02
/* The same for SERR forwarding */
#define PCI_BRIDGE_CTL_ISA 0x04
/* Enable ISA mode */
#define PCI_BRIDGE_CTL_VGA 0x08
/* Forward VGA addresses */
#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 */
/* Header type 2 (CardBus bridges) */
#define PCI_CB_CAPABILITY_LIST 0x14
/* 0x15 reserved */
#define PCI_CB_SEC_STATUS 0x16
/* Secondary status */
#define PCI_CB_PRIMARY_BUS 0x18
/* PCI bus number */
#define PCI_CB_CARD_BUS 0x19
/* CardBus bus number */
#define PCI_CB_SUBORDINATE_BUS 0x1a
/* Subordinate bus number */
#define PCI_CB_LATENCY_TIMER 0x1b
/* CardBus latency timer */
#define PCI_CB_MEMORY_BASE_0 0x1c
#define PCI_CB_MEMORY_LIMIT_0 0x20
#define PCI_CB_MEMORY_BASE_1 0x24
#define PCI_CB_MEMORY_LIMIT_1 0x28
#define PCI_CB_IO_BASE_0 0x2c
#define PCI_CB_IO_BASE_0_HI 0x2e
#define PCI_CB_IO_LIMIT_0 0x30
#define PCI_CB_IO_LIMIT_0_HI 0x32
#define PCI_CB_IO_BASE_1 0x34
#define PCI_CB_IO_BASE_1_HI 0x36
#define PCI_CB_IO_LIMIT_1 0x38
#define PCI_CB_IO_LIMIT_1_HI 0x3a
#define PCI_CB_IO_RANGE_MASK (~0x03UL)
/* 0x3c-0x3d are same as for htype 0 */
#define PCI_CB_BRIDGE_CONTROL 0x3e
#define PCI_CB_BRIDGE_CTL_PARITY 0x01
/* Similar to standard bridge control register */
#define PCI_CB_BRIDGE_CTL_SERR 0x02
#define PCI_CB_BRIDGE_CTL_ISA 0x04
#define PCI_CB_BRIDGE_CTL_VGA 0x08
#define PCI_CB_BRIDGE_CTL_MASTER_ABORT 0x20
#define PCI_CB_BRIDGE_CTL_CB_RESET 0x40
/* CardBus reset */
#define PCI_CB_BRIDGE_CTL_16BIT_INT 0x80
/* Enable interrupt for 16-bit cards */
#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM0 0x100
/* Prefetch enable for both memory regions */
#define PCI_CB_BRIDGE_CTL_PREFETCH_MEM1 0x200
#define PCI_CB_BRIDGE_CTL_POST_WRITES 0x400
#define PCI_CB_SUBSYSTEM_VENDOR_ID 0x40
#define PCI_CB_SUBSYSTEM_ID 0x42
#define PCI_CB_LEGACY_MODE_BASE 0x44
/* 16-bit PC Card legacy mode base address (ExCa) */
/* 0x48-0x7f reserved */
/* Capability lists */
#define PCI_CAP_LIST_ID 0
/* Capability ID */
#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 */
#define PCI_CAP_ID_SLOTID 0x04
/* Slot Identification */
#define PCI_CAP_ID_MSI 0x05
/* Message Signalled Interrupts */
#define PCI_CAP_ID_CHSWP 0x06
/* CompactPCI HotSwap */
#define PCI_CAP_ID_PCIX 0x07
/* PCI-X */
#define PCI_CAP_ID_HT 0x08
/* HyperTransport */
#define PCI_CAP_ID_VNDR 0x09
/* Vendor-Specific */
#define PCI_CAP_ID_DBG 0x0A
/* Debug port */
#define PCI_CAP_ID_CCRC 0x0B
/* CompactPCI Central Resource Control */
#define PCI_CAP_ID_SHPC 0x0C
/* PCI Standard Hot-Plug Controller */
#define PCI_CAP_ID_SSVID 0x0D
/* Bridge subsystem vendor/device ID */
#define PCI_CAP_ID_AGP3 0x0E
/* AGP Target PCI-PCI bridge */
#define PCI_CAP_ID_SECDEV 0x0F
/* Secure Device */
#define PCI_CAP_ID_EXP 0x10
/* PCI Express */
#define PCI_CAP_ID_MSIX 0x11
/* MSI-X */
#define PCI_CAP_ID_SATA 0x12
/* SATA Data/Index Conf. */
#define PCI_CAP_ID_AF 0x13
/* PCI Advanced Features */
#define PCI_CAP_ID_EA 0x14
/* PCI Enhanced Allocation */
#define PCI_CAP_ID_MAX PCI_CAP_ID_EA
#define PCI_CAP_LIST_NEXT 1
/* Next capability in the list */
#define PCI_CAP_FLAGS 2
/* Capability defined flags (16 bits) */
#define PCI_CAP_SIZEOF 4
/* Power Management Registers */
#define PCI_PM_PMC 2
/* PM Capabilities Register */
#define PCI_PM_CAP_VER_MASK 0x0007
/* Version */
#define PCI_PM_CAP_PME_CLOCK 0x0008
/* PME clock required */
#define PCI_PM_CAP_RESERVED 0x0010
/* Reserved field */
#define PCI_PM_CAP_DSI 0x0020
/* Device specific initialization */
#define PCI_PM_CAP_AUX_POWER 0x01C0
/* Auxiliary power support mask */
#define PCI_PM_CAP_D1 0x0200
/* D1 power state support */
#define PCI_PM_CAP_D2 0x0400
/* D2 power state support */
#define PCI_PM_CAP_PME 0x0800
/* PME pin supported */
#define PCI_PM_CAP_PME_MASK 0xF800
/* PME Mask of all supported states */
#define PCI_PM_CAP_PME_D0 0x0800
/* PME# from D0 */
#define PCI_PM_CAP_PME_D1 0x1000
/* PME# from D1 */
#define PCI_PM_CAP_PME_D2 0x2000
/* PME# from D2 */
#define PCI_PM_CAP_PME_D3 0x4000
/* PME# from D3 (hot) */
#define PCI_PM_CAP_PME_D3cold 0x8000
/* PME# from D3 (cold) */
#define PCI_PM_CAP_PME_SHIFT 11
/* Start of the PME Mask in PMC */
#define PCI_PM_CTRL 4
/* PM control and status register */
#define PCI_PM_CTRL_STATE_MASK 0x0003
/* Current power state (D0 to D3) */
#define PCI_PM_CTRL_NO_SOFT_RESET 0x0008
/* No reset for D3hot->D0 */
#define PCI_PM_CTRL_PME_ENABLE 0x0100
/* PME pin enable */
#define PCI_PM_CTRL_DATA_SEL_MASK 0x1e00
/* Data select (??) */
#define PCI_PM_CTRL_DATA_SCALE_MASK 0x6000
/* Data scale (??) */
#define PCI_PM_CTRL_PME_STATUS 0x8000
/* PME pin status */
#define PCI_PM_PPB_EXTENSIONS 6
/* PPB support extensions (??) */
#define PCI_PM_PPB_B2_B3 0x40
/* Stop clock when in D3hot (??) */
#define PCI_PM_BPCC_ENABLE 0x80
/* Bus power/clock control enable (??) */
#define PCI_PM_DATA_REGISTER 7
/* (??) */
#define PCI_PM_SIZEOF 8
/* AGP registers */
#define PCI_AGP_VERSION 2
/* BCD version number */
#define PCI_AGP_RFU 3
/* Rest of capability flags */
#define PCI_AGP_STATUS 4
/* Status register */
#define PCI_AGP_STATUS_RQ_MASK 0xff000000
/* Maximum number of requests - 1 */
#define PCI_AGP_STATUS_SBA 0x0200
/* Sideband addressing supported */
#define PCI_AGP_STATUS_64BIT 0x0020
/* 64-bit addressing supported */
#define PCI_AGP_STATUS_FW 0x0010
/* FW transfers supported */
#define PCI_AGP_STATUS_RATE4 0x0004
/* 4x transfer rate supported */
#define PCI_AGP_STATUS_RATE2 0x0002
/* 2x transfer rate supported */
#define PCI_AGP_STATUS_RATE1 0x0001
/* 1x transfer rate supported */
#define PCI_AGP_COMMAND 8
/* Control register */
#define PCI_AGP_COMMAND_RQ_MASK 0xff000000
/* Master: Maximum number of requests */
#define PCI_AGP_COMMAND_SBA 0x0200
/* Sideband addressing enabled */
#define PCI_AGP_COMMAND_AGP 0x0100
/* Allow processing of AGP transactions */
#define PCI_AGP_COMMAND_64BIT 0x0020
/* Allow processing of 64-bit addresses */
#define PCI_AGP_COMMAND_FW 0x0010
/* Force FW transfers */
#define PCI_AGP_COMMAND_RATE4 0x0004
/* Use 4x rate */
#define PCI_AGP_COMMAND_RATE2 0x0002
/* Use 2x rate */
#define PCI_AGP_COMMAND_RATE1 0x0001
/* Use 1x rate */
#define PCI_AGP_SIZEOF 12
/* Vital Product Data */
#define PCI_VPD_ADDR 2
/* Address to access (15 bits!) */
#define PCI_VPD_ADDR_MASK 0x7fff
/* Address mask */
#define PCI_VPD_ADDR_F 0x8000
/* Write 0, 1 indicates completion */
#define PCI_VPD_DATA 4
/* 32-bits of data returned here */
#define PCI_CAP_VPD_SIZEOF 8
/* Slot Identification */
#define PCI_SID_ESR 2
/* Expansion Slot Register */
#define PCI_SID_ESR_NSLOTS 0x1f
/* Number of expansion slots available */
#define PCI_SID_ESR_FIC 0x20
/* First In Chassis Flag */
#define PCI_SID_CHASSIS_NR 3
/* Chassis Number */
/* Message Signalled Interrupts registers */
#define PCI_MSI_FLAGS 2
/* Message Control */
#define PCI_MSI_FLAGS_ENABLE 0x0001
/* MSI feature enabled */
#define PCI_MSI_FLAGS_QMASK 0x000e
/* Maximum queue size available */
#define PCI_MSI_FLAGS_QSIZE 0x0070
/* Message queue size configured */
#define PCI_MSI_FLAGS_64BIT 0x0080
/* 64-bit addresses allowed */
#define PCI_MSI_FLAGS_MASKBIT 0x0100
/* Per-vector masking capable */
#define PCI_MSI_RFU 3
/* Rest of capability flags */
#define PCI_MSI_ADDRESS_LO 4
/* Lower 32 bits */
#define PCI_MSI_ADDRESS_HI 8
/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
#define PCI_MSI_DATA_32 8
/* 16 bits of data for 32-bit devices */
#define PCI_MSI_MASK_32 12
/* Mask bits register for 32-bit devices */
#define PCI_MSI_PENDING_32 16
/* Pending intrs for 32-bit devices */
#define PCI_MSI_DATA_64 12
/* 16 bits of data for 64-bit devices */
#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 */
#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 */
#define PCI_MSIX_FLAGS_ENABLE 0x8000
/* MSI-X enable */
#define PCI_MSIX_TABLE 4
/* Table offset */
#define PCI_MSIX_TABLE_BIR 0x00000007
/* BAR index */
#define PCI_MSIX_TABLE_OFFSET 0xfffffff8
/* Offset into specified BAR */
#define PCI_MSIX_PBA 8
/* Pending Bit Array offset */
#define PCI_MSIX_PBA_BIR 0x00000007
/* BAR index */
#define PCI_MSIX_PBA_OFFSET 0xfffffff8
/* Offset into specified BAR */
#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 */
#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
/* CompactPCI Hotswap Register */
#define PCI_CHSWP_CSR 2
/* Control and Status Register */
#define PCI_CHSWP_DHA 0x01
/* Device Hiding Arm */
#define PCI_CHSWP_EIM 0x02
/* ENUM# Signal Mask */
#define PCI_CHSWP_PIE 0x04
/* Pending Insert or Extract */
#define PCI_CHSWP_LOO 0x08
/* LED On / Off */
#define PCI_CHSWP_PI 0x30
/* Programming Interface */
#define PCI_CHSWP_EXT 0x40
/* ENUM# status - extraction */
#define PCI_CHSWP_INS 0x80
/* ENUM# status - insertion */
/* PCI Advanced Feature registers */
#define PCI_AF_LENGTH 2
#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
#define PCI_CAP_AF_SIZEOF 6
/* size of AF registers */
/* PCI Enhanced Allocation registers */
#define PCI_EA_NUM_ENT 2
/* Number of Capability Entries */
#define PCI_EA_NUM_ENT_MASK 0x3f
/* Num Entries Mask */
#define PCI_EA_FIRST_ENT 4
/* First EA Entry in List */
#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 */
/* 0-5 map to BARs 0-5 respectively */
#define PCI_EA_BEI_BAR0 0
#define PCI_EA_BEI_BAR5 5
#define PCI_EA_BEI_BRIDGE 6
/* Resource behind bridge */
#define PCI_EA_BEI_ENI 7
/* Equivalent Not Indicated */
#define PCI_EA_BEI_ROM 8
/* Expansion ROM */
/* 9-14 map to VF BARs 0-5 respectively */
#define PCI_EA_BEI_VF_BAR0 9
#define PCI_EA_BEI_VF_BAR5 14
#define PCI_EA_BEI_RESERVED 15
/* Reserved - Treat like ENI */
#define PCI_EA_PP 0x0000ff00
/* Primary Properties */
#define PCI_EA_SP 0x00ff0000
/* Secondary Properties */
#define PCI_EA_P_MEM 0x00
/* Non-Prefetch Memory */
#define PCI_EA_P_MEM_PREFETCH 0x01
/* Prefetchable Memory */
#define PCI_EA_P_IO 0x02
/* I/O Space */
#define PCI_EA_P_VF_MEM_PREFETCH 0x03
/* VF Prefetchable Memory */
#define PCI_EA_P_VF_MEM 0x04
/* VF Non-Prefetch Memory */
#define PCI_EA_P_BRIDGE_MEM 0x05
/* Bridge Non-Prefetch Memory */
#define PCI_EA_P_BRIDGE_MEM_PREFETCH 0x06
/* Bridge Prefetchable Memory */
#define PCI_EA_P_BRIDGE_IO 0x07
/* Bridge I/O Space */
/* 0x08-0xfc reserved */
#define PCI_EA_P_MEM_RESERVED 0xfd
/* Reserved Memory */
#define PCI_EA_P_IO_RESERVED 0xfe
/* Reserved I/O Space */
#define PCI_EA_P_UNAVAILABLE 0xff
/* Entry Unavailable */
#define PCI_EA_WRITABLE 0x40000000
/* Writable: 1 = RW, 0 = HwInit */
#define PCI_EA_ENABLE 0x80000000
/* Enable for this entry */
#define PCI_EA_BASE 4
/* Base Address Offset */
#define PCI_EA_MAX_OFFSET 8
/* MaxOffset (resource length) */
/* bit 0 is reserved */
#define PCI_EA_IS_64 0x00000002
/* 64-bit field flag */
#define PCI_EA_FIELD_MASK 0xfffffffc
/* For Base & Max Offset */
/* PCI-X registers (Type 0 (non-bridge) devices) */
#define PCI_X_CMD 2
/* Modes & Features */
#define PCI_X_CMD_DPERR_E 0x0001
/* Data Parity Error Recovery Enable */
#define PCI_X_CMD_ERO 0x0002
/* Enable Relaxed Ordering */
#define PCI_X_CMD_READ_512 0x0000
/* 512 byte maximum read byte count */
#define PCI_X_CMD_READ_1K 0x0004
/* 1Kbyte maximum read byte count */
#define PCI_X_CMD_READ_2K 0x0008
/* 2Kbyte maximum read byte count */
#define PCI_X_CMD_READ_4K 0x000c
/* 4Kbyte maximum read byte count */
#define PCI_X_CMD_MAX_READ 0x000c
/* Max Memory Read Byte Count */
/* Max # of outstanding split transactions */
#define PCI_X_CMD_SPLIT_1 0x0000
/* Max 1 */
#define PCI_X_CMD_SPLIT_2 0x0010
/* Max 2 */
#define PCI_X_CMD_SPLIT_3 0x0020
/* Max 3 */
#define PCI_X_CMD_SPLIT_4 0x0030
/* Max 4 */
#define PCI_X_CMD_SPLIT_8 0x0040
/* Max 8 */
#define PCI_X_CMD_SPLIT_12 0x0050
/* Max 12 */
#define PCI_X_CMD_SPLIT_16 0x0060
/* Max 16 */
#define PCI_X_CMD_SPLIT_32 0x0070
/* Max 32 */
#define PCI_X_CMD_MAX_SPLIT 0x0070
/* Max Outstanding Split Transactions */
#define PCI_X_CMD_VERSION(x) (((x) >> 12) & 3)
/* Version */
#define PCI_X_STATUS 4
/* PCI-X capabilities */
#define PCI_X_STATUS_DEVFN 0x000000ff
/* A copy of devfn */
#define PCI_X_STATUS_BUS 0x0000ff00
/* A copy of bus nr */
#define PCI_X_STATUS_64BIT 0x00010000
/* 64-bit device */
#define PCI_X_STATUS_133MHZ 0x00020000
/* 133 MHz capable */
#define PCI_X_STATUS_SPL_DISC 0x00040000
/* Split Completion Discarded */
#define PCI_X_STATUS_UNX_SPL 0x00080000
/* Unexpected Split Completion */
#define PCI_X_STATUS_COMPLEX 0x00100000
/* Device Complexity */
#define PCI_X_STATUS_MAX_READ 0x00600000
/* Designed Max Memory Read Count */
#define PCI_X_STATUS_MAX_SPLIT 0x03800000
/* Designed Max Outstanding Split Transactions */
#define PCI_X_STATUS_MAX_CUM 0x1c000000
/* Designed Max Cumulative Read Size */
#define PCI_X_STATUS_SPL_ERR 0x20000000
/* Rcvd Split Completion Error Msg */
#define PCI_X_STATUS_266MHZ 0x40000000
/* 266 MHz capable */
#define PCI_X_STATUS_533MHZ 0x80000000
/* 533 MHz capable */
#define PCI_X_ECC_CSR 8
/* ECC control and status */
#define PCI_CAP_PCIX_SIZEOF_V0 8
/* size of registers for Version 0 */
#define PCI_CAP_PCIX_SIZEOF_V1 24
/* size for Version 1 */
#define PCI_CAP_PCIX_SIZEOF_V2 PCI_CAP_PCIX_SIZEOF_V1
/* Same for v2 */
/* PCI-X registers (Type 1 (bridge) devices) */
#define PCI_X_BRIDGE_SSTATUS 2
/* Secondary Status */
#define PCI_X_SSTATUS_64BIT 0x0001
/* Secondary AD interface is 64 bits */
#define PCI_X_SSTATUS_133MHZ 0x0002
/* 133 MHz capable */
#define PCI_X_SSTATUS_FREQ 0x03c0
/* Secondary Bus Mode and Frequency */
#define PCI_X_SSTATUS_VERS 0x3000
/* PCI-X Capability Version */
#define PCI_X_SSTATUS_V1 0x1000
/* Mode 2, not Mode 1 */
#define PCI_X_SSTATUS_V2 0x2000
/* Mode 1 or Modes 1 and 2 */
#define PCI_X_SSTATUS_266MHZ 0x4000
/* 266 MHz capable */
#define PCI_X_SSTATUS_533MHZ 0x8000
/* 533 MHz capable */
#define PCI_X_BRIDGE_STATUS 4
/* Bridge Status */
/* PCI Bridge Subsystem ID registers */
#define PCI_SSVID_VENDOR_ID 4
/* PCI Bridge subsystem vendor ID */
#define PCI_SSVID_DEVICE_ID 6
/* PCI Bridge subsystem device ID */
/* 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_DEVCAP 4
/* Device capabilities */
#define PCI_EXP_DEVCAP_PAYLOAD 0x00000007
/* Max_Payload_Size */
#define PCI_EXP_DEVCAP_PHANTOM 0x00000018
/* Phantom functions */
#define PCI_EXP_DEVCAP_EXT_TAG 0x00000020
/* Extended tags */
#define PCI_EXP_DEVCAP_L0S 0x000001c0
/* L0s Acceptable Latency */
#define PCI_EXP_DEVCAP_L1 0x00000e00
/* L1 Acceptable Latency */
#define PCI_EXP_DEVCAP_ATN_BUT 0x00001000
/* Attention Button Present */
#define PCI_EXP_DEVCAP_ATN_IND 0x00002000
/* Attention Indicator Present */
#define PCI_EXP_DEVCAP_PWR_IND 0x00004000
/* Power Indicator Present */
#define PCI_EXP_DEVCAP_RBER 0x00008000
/* Role-Based Error Reporting */
#define PCI_EXP_DEVCAP_PWR_VAL 0x03fc0000
/* Slot Power Limit Value */
#define PCI_EXP_DEVCAP_PWR_SCL 0x0c000000
/* Slot Power Limit Scale */
#define PCI_EXP_DEVCAP_FLR 0x10000000
/* Function Level Reset */
#define PCI_EXP_DEVCTL 8
/* Device Control */
#define PCI_EXP_DEVCTL_CERE 0x0001
/* Correctable Error Reporting En. */
#define PCI_EXP_DEVCTL_NFERE 0x0002
/* Non-Fatal Error Reporting Enable */
#define PCI_EXP_DEVCTL_FERE 0x0004
/* Fatal Error Reporting Enable */
#define PCI_EXP_DEVCTL_URRE 0x0008
/* Unsupported Request Reporting En. */
#define PCI_EXP_DEVCTL_RELAX_EN 0x0010
/* Enable relaxed ordering */
#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0
/* Max_Payload_Size */
#define PCI_EXP_DEVCTL_EXT_TAG 0x0100
/* Extended Tag Field Enable */
#define PCI_EXP_DEVCTL_PHANTOM 0x0200
/* Phantom Functions Enable */
#define PCI_EXP_DEVCTL_AUX_PME 0x0400
/* Auxiliary Power PM Enable */
#define PCI_EXP_DEVCTL_NOSNOOP_EN 0x0800
/* Enable No Snoop */
#define PCI_EXP_DEVCTL_READRQ 0x7000
/* Max_Read_Request_Size */
#define PCI_EXP_DEVCTL_READRQ_128B 0x0000
/* 128 Bytes */
#define PCI_EXP_DEVCTL_READRQ_256B 0x1000
/* 256 Bytes */
#define PCI_EXP_DEVCTL_READRQ_512B 0x2000
/* 512 Bytes */
#define PCI_EXP_DEVCTL_READRQ_1024B 0x3000
/* 1024 Bytes */
#define PCI_EXP_DEVCTL_BCR_FLR 0x8000
/* Bridge Configuration Retry / FLR */
#define PCI_EXP_DEVSTA 10
/* Device Status */
#define PCI_EXP_DEVSTA_CED 0x0001
/* Correctable Error Detected */
#define PCI_EXP_DEVSTA_NFED 0x0002
/* Non-Fatal Error Detected */
#define PCI_EXP_DEVSTA_FED 0x0004
/* Fatal Error Detected */
#define PCI_EXP_DEVSTA_URD 0x0008
/* Unsupported Request Detected */
#define PCI_EXP_DEVSTA_AUXPD 0x0010
/* AUX Power Detected */
#define PCI_EXP_DEVSTA_TRPND 0x0020
/* Transactions Pending */
#define PCI_EXP_LNKCAP 12
/* Link Capabilities */
#define PCI_EXP_LNKCAP_SLS 0x0000000f
/* Supported Link Speeds */
#define PCI_EXP_LNKCAP_SLS_2_5GB 0x00000001
/* LNKCAP2 SLS Vector bit 0 */
#define PCI_EXP_LNKCAP_SLS_5_0GB 0x00000002
/* LNKCAP2 SLS Vector bit 1 */
#define PCI_EXP_LNKCAP_MLW 0x000003f0
/* Maximum Link Width */
#define PCI_EXP_LNKCAP_ASPMS 0x00000c00
/* ASPM Support */
#define PCI_EXP_LNKCAP_L0SEL 0x00007000
/* L0s Exit Latency */
#define PCI_EXP_LNKCAP_L1EL 0x00038000
/* L1 Exit Latency */
#define PCI_EXP_LNKCAP_CLKPM 0x00040000
/* Clock Power Management */
#define PCI_EXP_LNKCAP_SDERC 0x00080000
/* Surprise Down Error Reporting Capable */
#define PCI_EXP_LNKCAP_DLLLARC 0x00100000
/* Data Link Layer Link Active Reporting Capable */
#define PCI_EXP_LNKCAP_LBNC 0x00200000
/* Link Bandwidth Notification Capability */
#define PCI_EXP_LNKCAP_PN 0xff000000
/* Port Number */
#define PCI_EXP_LNKCTL 16
/* Link Control */
#define PCI_EXP_LNKCTL_ASPMC 0x0003
/* ASPM Control */
#define PCI_EXP_LNKCTL_ASPM_L0S 0x0001
/* L0s Enable */
#define PCI_EXP_LNKCTL_ASPM_L1 0x0002
/* L1 Enable */
#define PCI_EXP_LNKCTL_RCB 0x0008
/* Read Completion Boundary */
#define PCI_EXP_LNKCTL_LD 0x0010
/* Link Disable */
#define PCI_EXP_LNKCTL_RL 0x0020
/* Retrain Link */
#define PCI_EXP_LNKCTL_CCC 0x0040
/* Common Clock Configuration */
#define PCI_EXP_LNKCTL_ES 0x0080
/* Extended Synch */
#define PCI_EXP_LNKCTL_CLKREQ_EN 0x0100
/* Enable clkreq */
#define PCI_EXP_LNKCTL_HAWD 0x0200
/* Hardware Autonomous Width Disable */
#define PCI_EXP_LNKCTL_LBMIE 0x0400
/* Link Bandwidth Management Interrupt Enable */
#define PCI_EXP_LNKCTL_LABIE 0x0800
/* Link Autonomous Bandwidth Interrupt Enable */
#define PCI_EXP_LNKSTA 18
/* Link Status */
#define PCI_EXP_LNKSTA_CLS 0x000f
/* Current Link Speed */
#define PCI_EXP_LNKSTA_CLS_2_5GB 0x0001
/* Current Link Speed 2.5GT/s */
#define PCI_EXP_LNKSTA_CLS_5_0GB 0x0002
/* Current Link Speed 5.0GT/s */
#define PCI_EXP_LNKSTA_CLS_8_0GB 0x0003
/* Current Link Speed 8.0GT/s */
#define PCI_EXP_LNKSTA_NLW 0x03f0
/* Negotiated Link Width */
#define PCI_EXP_LNKSTA_NLW_X1 0x0010
/* Current Link Width x1 */
#define PCI_EXP_LNKSTA_NLW_X2 0x0020
/* Current Link Width x2 */
#define PCI_EXP_LNKSTA_NLW_X4 0x0040
/* Current Link Width x4 */
#define PCI_EXP_LNKSTA_NLW_X8 0x0080
/* Current Link Width x8 */
#define PCI_EXP_LNKSTA_NLW_SHIFT 4
/* start of NLW mask in link status */
#define PCI_EXP_LNKSTA_LT 0x0800
/* Link Training */
#define PCI_EXP_LNKSTA_SLC 0x1000
/* Slot Clock Configuration */
#define PCI_EXP_LNKSTA_DLLLA 0x2000
/* Data Link Layer Link Active */
#define PCI_EXP_LNKSTA_LBMS 0x4000
/* Link Bandwidth Management Status */
#define PCI_EXP_LNKSTA_LABS 0x8000
/* Link Autonomous Bandwidth Status */
#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V1 20
/* v1 endpoints end here */
#define PCI_EXP_SLTCAP 20
/* Slot Capabilities */
#define PCI_EXP_SLTCAP_ABP 0x00000001
/* Attention Button Present */
#define PCI_EXP_SLTCAP_PCP 0x00000002
/* Power Controller Present */
#define PCI_EXP_SLTCAP_MRLSP 0x00000004
/* MRL Sensor Present */
#define PCI_EXP_SLTCAP_AIP 0x00000008
/* Attention Indicator Present */
#define PCI_EXP_SLTCAP_PIP 0x00000010
/* Power Indicator Present */
#define PCI_EXP_SLTCAP_HPS 0x00000020
/* Hot-Plug Surprise */
#define PCI_EXP_SLTCAP_HPC 0x00000040
/* Hot-Plug Capable */
#define PCI_EXP_SLTCAP_SPLV 0x00007f80
/* Slot Power Limit Value */
#define PCI_EXP_SLTCAP_SPLS 0x00018000
/* Slot Power Limit Scale */
#define PCI_EXP_SLTCAP_EIP 0x00020000
/* Electromechanical Interlock Present */
#define PCI_EXP_SLTCAP_NCCS 0x00040000
/* No Command Completed Support */
#define PCI_EXP_SLTCAP_PSN 0xfff80000
/* Physical Slot Number */
#define PCI_EXP_SLTCTL 24
/* Slot Control */
#define PCI_EXP_SLTCTL_ABPE 0x0001
/* Attention Button Pressed Enable */
#define PCI_EXP_SLTCTL_PFDE 0x0002
/* Power Fault Detected Enable */
#define PCI_EXP_SLTCTL_MRLSCE 0x0004
/* MRL Sensor Changed Enable */
#define PCI_EXP_SLTCTL_PDCE 0x0008
/* Presence Detect Changed Enable */
#define PCI_EXP_SLTCTL_CCIE 0x0010
/* Command Completed Interrupt Enable */
#define PCI_EXP_SLTCTL_HPIE 0x0020
/* Hot-Plug Interrupt Enable */
#define PCI_EXP_SLTCTL_AIC 0x00c0
/* Attention Indicator Control */
#define PCI_EXP_SLTCTL_ATTN_IND_ON 0x0040
/* Attention Indicator on */
#define PCI_EXP_SLTCTL_ATTN_IND_BLINK 0x0080
/* Attention Indicator blinking */
#define PCI_EXP_SLTCTL_ATTN_IND_OFF 0x00c0
/* Attention Indicator off */
#define PCI_EXP_SLTCTL_PIC 0x0300
/* Power Indicator Control */
#define PCI_EXP_SLTCTL_PWR_IND_ON 0x0100
/* Power Indicator on */
#define PCI_EXP_SLTCTL_PWR_IND_BLINK 0x0200
/* Power Indicator blinking */
#define PCI_EXP_SLTCTL_PWR_IND_OFF 0x0300
/* Power Indicator off */
#define PCI_EXP_SLTCTL_PCC 0x0400
/* Power Controller Control */
#define PCI_EXP_SLTCTL_PWR_ON 0x0000
/* Power On */
#define PCI_EXP_SLTCTL_PWR_OFF 0x0400
/* Power Off */
#define PCI_EXP_SLTCTL_EIC 0x0800
/* Electromechanical Interlock Control */
#define PCI_EXP_SLTCTL_DLLSCE 0x1000
/* Data Link Layer State Changed Enable */
#define PCI_EXP_SLTSTA 26
/* Slot Status */
#define PCI_EXP_SLTSTA_ABP 0x0001
/* Attention Button Pressed */
#define PCI_EXP_SLTSTA_PFD 0x0002
/* Power Fault Detected */
#define PCI_EXP_SLTSTA_MRLSC 0x0004
/* MRL Sensor Changed */
#define PCI_EXP_SLTSTA_PDC 0x0008
/* Presence Detect Changed */
#define PCI_EXP_SLTSTA_CC 0x0010
/* Command Completed */
#define PCI_EXP_SLTSTA_MRLSS 0x0020
/* MRL Sensor State */
#define PCI_EXP_SLTSTA_PDS 0x0040
/* Presence Detect State */
#define PCI_EXP_SLTSTA_EIS 0x0080
/* Electromechanical Interlock Status */
#define PCI_EXP_SLTSTA_DLLSC 0x0100
/* Data Link Layer State Changed */
#define PCI_EXP_RTCTL 28
/* Root Control */
#define PCI_EXP_RTCTL_SECEE 0x0001
/* System Error on Correctable Error */
#define PCI_EXP_RTCTL_SENFEE 0x0002
/* System Error on Non-Fatal Error */
#define PCI_EXP_RTCTL_SEFEE 0x0004
/* System Error on Fatal Error */
#define PCI_EXP_RTCTL_PMEIE 0x0008
/* PME Interrupt Enable */
#define PCI_EXP_RTCTL_CRSSVE 0x0010
/* CRS Software Visibility Enable */
#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 */
/*
* The Device Capabilities 2, Device Status 2, Device Control 2,
* Link Capabilities 2, Link Status 2, Link Control 2,
* Slot Capabilities 2, Slot Status 2, and Slot Control 2 registers
* are only present on devices with PCIe Capability version 2.
* Use pcie_capability_read_word() and similar interfaces to use them
* safely.
*/
#define PCI_EXP_DEVCAP2 36
/* Device Capabilities 2 */
#define PCI_EXP_DEVCAP2_ARI 0x00000020
/* Alternative Routing-ID */
#define PCI_EXP_DEVCAP2_ATOMIC_ROUTE 0x00000040
/* Atomic Op routing */
#define PCI_EXP_DEVCAP2_ATOMIC_COMP64 0x00000100
/* Atomic 64-bit compare */
#define PCI_EXP_DEVCAP2_LTR 0x00000800
/* Latency tolerance reporting */
#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_DEVCTL2 40
/* Device Control 2 */
#define PCI_EXP_DEVCTL2_COMP_TIMEOUT 0x000f
/* Completion Timeout Value */
#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_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 */
#define PCI_EXP_DEVCTL2_OBFF_MSGA_EN 0x2000
/* Enable OBFF Message type A */
#define PCI_EXP_DEVCTL2_OBFF_MSGB_EN 0x4000
/* Enable OBFF Message type B */
#define PCI_EXP_DEVCTL2_OBFF_WAKE_EN 0x6000
/* OBFF using WAKE# signaling */
#define PCI_EXP_DEVSTA2 42
/* Device Status 2 */
#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 44
/* v2 endpoints end here */
#define PCI_EXP_LNKCAP2 44
/* Link Capabilities 2 */
#define PCI_EXP_LNKCAP2_SLS_2_5GB 0x00000002
/* Supported Speed 2.5GT/s */
#define PCI_EXP_LNKCAP2_SLS_5_0GB 0x00000004
/* Supported Speed 5.0GT/s */
#define PCI_EXP_LNKCAP2_SLS_8_0GB 0x00000008
/* Supported Speed 8.0GT/s */
#define PCI_EXP_LNKCAP2_CROSSLINK 0x00000100
/* Crosslink supported */
#define PCI_EXP_LNKCTL2 48
/* Link Control 2 */
#define PCI_EXP_LNKSTA2 50
/* Link Status 2 */
#define PCI_EXP_SLTCAP2 52
/* Slot Capabilities 2 */
#define PCI_EXP_SLTCTL2 56
/* Slot Control 2 */
#define PCI_EXP_SLTSTA2 58
/* Slot Status 2 */
/* Extended Capabilities (PCI-X 2.0 and Express) */
#define PCI_EXT_CAP_ID(header) (header & 0x0000ffff)
#define PCI_EXT_CAP_VER(header) ((header >> 16) & 0xf)
#define PCI_EXT_CAP_NEXT(header) ((header >> 20) & 0xffc)
#define PCI_EXT_CAP_ID_ERR 0x01
/* Advanced Error Reporting */
#define PCI_EXT_CAP_ID_VC 0x02
/* Virtual Channel Capability */
#define PCI_EXT_CAP_ID_DSN 0x03
/* Device Serial Number */
#define PCI_EXT_CAP_ID_PWR 0x04
/* Power Budgeting */
#define PCI_EXT_CAP_ID_RCLD 0x05
/* Root Complex Link Declaration */
#define PCI_EXT_CAP_ID_RCILC 0x06
/* Root Complex Internal Link Control */
#define PCI_EXT_CAP_ID_RCEC 0x07
/* Root Complex Event Collector */
#define PCI_EXT_CAP_ID_MFVC 0x08
/* Multi-Function VC Capability */
#define PCI_EXT_CAP_ID_VC9 0x09
/* same as _VC */
#define PCI_EXT_CAP_ID_RCRB 0x0A
/* Root Complex RB? */
#define PCI_EXT_CAP_ID_VNDR 0x0B
/* Vendor-Specific */
#define PCI_EXT_CAP_ID_CAC 0x0C
/* Config Access - obsolete */
#define PCI_EXT_CAP_ID_ACS 0x0D
/* Access Control Services */
#define PCI_EXT_CAP_ID_ARI 0x0E
/* Alternate Routing ID */
#define PCI_EXT_CAP_ID_ATS 0x0F
/* Address Translation Services */
#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_AMD_XXX 0x14
/* Reserved for AMD */
#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
/* TPH Requester */
#define PCI_EXT_CAP_ID_LTR 0x18
/* Latency Tolerance Reporting */
#define PCI_EXT_CAP_ID_SECPCI 0x19
/* Secondary PCIe Capability */
#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_DPC 0x1D
/* Downstream Port Containment */
#define PCI_EXT_CAP_ID_L1SS 0x1E
/* L1 PM Substates */
#define PCI_EXT_CAP_ID_PTM 0x1F
/* Precision Time Measurement */
#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PTM
#define PCI_EXT_CAP_DSN_SIZEOF 12
#define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF 40
/* Advanced Error Reporting */
#define PCI_ERR_UNCOR_STATUS 4
/* Uncorrectable Error Status */
#define PCI_ERR_UNC_UND 0x00000001
/* Undefined */
#define PCI_ERR_UNC_DLP 0x00000010
/* Data Link Protocol */
#define PCI_ERR_UNC_SURPDN 0x00000020
/* Surprise Down */
#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_ACSV 0x00200000
/* ACS Violation */
#define PCI_ERR_UNC_INTN 0x00400000
/* internal error */
#define PCI_ERR_UNC_MCBTLP 0x00800000
/* MC blocked TLP */
#define PCI_ERR_UNC_ATOMEG 0x01000000
/* Atomic egress blocked */
#define PCI_ERR_UNC_TLPPRE 0x02000000
/* TLP prefix blocked */
#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_ADV_NFAT 0x00002000
/* Advisory Non-Fatal */
#define PCI_ERR_COR_INTERNAL 0x00004000
/* Corrected Internal */
#define PCI_ERR_COR_LOG_OVER 0x00008000
/* Header Log Overflow */
#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 */
/* Correctable Err Reporting Enable */
#define PCI_ERR_ROOT_CMD_COR_EN 0x00000001
/* Non-fatal Err Reporting Enable */
#define PCI_ERR_ROOT_CMD_NONFATAL_EN 0x00000002
/* Fatal Err Reporting Enable */
#define PCI_ERR_ROOT_CMD_FATAL_EN 0x00000004
#define PCI_ERR_ROOT_STATUS 48
#define PCI_ERR_ROOT_COR_RCV 0x00000001
/* ERR_COR Received */
/* Multi ERR_COR Received */
#define PCI_ERR_ROOT_MULTI_COR_RCV 0x00000002
/* ERR_FATAL/NONFATAL Received */
#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004
/* Multi ERR_FATAL/NONFATAL Received */
#define PCI_ERR_ROOT_MULTI_UNCOR_RCV 0x00000008
#define PCI_ERR_ROOT_FIRST_FATAL 0x00000010
/* First Fatal */
#define PCI_ERR_ROOT_NONFATAL_RCV 0x00000020
/* Non-Fatal Received */
#define PCI_ERR_ROOT_FATAL_RCV 0x00000040
/* Fatal Received */
#define PCI_ERR_ROOT_ERR_SRC 52
/* Error Source Identification */
/* Virtual Channel */
#define PCI_VC_PORT_CAP1 4
#define PCI_VC_CAP1_EVCC 0x00000007
/* extended VC count */
#define PCI_VC_CAP1_LPEVCC 0x00000070
/* low prio extended VC count */
#define PCI_VC_CAP1_ARB_SIZE 0x00000c00
#define PCI_VC_PORT_CAP2 8
#define PCI_VC_CAP2_32_PHASE 0x00000002
#define PCI_VC_CAP2_64_PHASE 0x00000004
#define PCI_VC_CAP2_128_PHASE 0x00000008
#define PCI_VC_CAP2_ARB_OFF 0xff000000
#define PCI_VC_PORT_CTRL 12
#define PCI_VC_PORT_CTRL_LOAD_TABLE 0x00000001
#define PCI_VC_PORT_STATUS 14
#define PCI_VC_PORT_STATUS_TABLE 0x00000001
#define PCI_VC_RES_CAP 16
#define PCI_VC_RES_CAP_32_PHASE 0x00000002
#define PCI_VC_RES_CAP_64_PHASE 0x00000004
#define PCI_VC_RES_CAP_128_PHASE 0x00000008
#define PCI_VC_RES_CAP_128_PHASE_TB 0x00000010
#define PCI_VC_RES_CAP_256_PHASE 0x00000020
#define PCI_VC_RES_CAP_ARB_OFF 0xff000000
#define PCI_VC_RES_CTRL 20
#define PCI_VC_RES_CTRL_LOAD_TABLE 0x00010000
#define PCI_VC_RES_CTRL_ARB_SELECT 0x000e0000
#define PCI_VC_RES_CTRL_ID 0x07000000
#define PCI_VC_RES_CTRL_ENABLE 0x80000000
#define PCI_VC_RES_STATUS 26
#define PCI_VC_RES_STATUS_TABLE 0x00000001
#define PCI_VC_RES_STATUS_NEGO 0x00000002
#define PCI_CAP_VC_BASE_SIZEOF 0x10
#define PCI_CAP_VC_PER_VC_SIZEOF 0x0C
/* 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 */
#define PCI_EXT_CAP_PWR_SIZEOF 16
/* Vendor-Specific (VSEC, PCI_EXT_CAP_ID_VNDR) */
#define PCI_VNDR_HEADER 4
/* Vendor-Specific Header */
#define PCI_VNDR_HEADER_ID(x) ((x) & 0xffff)
#define PCI_VNDR_HEADER_REV(x) (((x) >> 16) & 0xf)
#define PCI_VNDR_HEADER_LEN(x) (((x) >> 20) & 0xfff)
/*
* HyperTransport sub capability types
*
* Unfortunately there are both 3 bit and 5 bit capability types defined
* in the HT spec, catering for that is a little messy. You probably don't
* want to use these directly, just use pci_find_ht_capability() and it
* will do the right thing for you.
*/
#define HT_3BIT_CAP_MASK 0xE0
#define HT_CAPTYPE_SLAVE 0x00
/* Slave/Primary link configuration */
#define HT_CAPTYPE_HOST 0x20
/* Host/Secondary link configuration */
#define HT_5BIT_CAP_MASK 0xF8
#define HT_CAPTYPE_IRQ 0x80
/* IRQ Configuration */
#define HT_CAPTYPE_REMAPPING_40 0xA0
/* 40 bit address remapping */
#define HT_CAPTYPE_REMAPPING_64 0xA2
/* 64 bit address remapping */
#define HT_CAPTYPE_UNITID_CLUMP 0x90
/* Unit ID clumping */
#define HT_CAPTYPE_EXTCONF 0x98
/* Extended Configuration Space Access */
#define HT_CAPTYPE_MSI_MAPPING 0xA8
/* MSI Mapping Capability */
#define HT_MSI_FLAGS 0x02
/* Offset to flags */
#define HT_MSI_FLAGS_ENABLE 0x1
/* Mapping enable */
#define HT_MSI_FLAGS_FIXED 0x2
/* Fixed mapping only */
#define HT_MSI_FIXED_ADDR 0x00000000FEE00000ULL
/* Fixed addr */
#define HT_MSI_ADDR_LO 0x04
/* Offset to low addr bits */
#define HT_MSI_ADDR_LO_MASK 0xFFF00000
/* Low address bit mask */
#define HT_MSI_ADDR_HI 0x08
/* Offset to high addr bits */
#define HT_CAPTYPE_DIRECT_ROUTE 0xB0
/* Direct routing configuration */
#define HT_CAPTYPE_VCSET 0xB8
/* Virtual Channel configuration */
#define HT_CAPTYPE_ERROR_RETRY 0xC0
/* Retry on error configuration */
#define HT_CAPTYPE_GEN3 0xD0
/* Generation 3 HyperTransport configuration */
#define HT_CAPTYPE_PM 0xE0
/* HyperTransport power management configuration */
#define HT_CAP_SIZEOF_LONG 28
/* slave & primary */
#define HT_CAP_SIZEOF_SHORT 24
/* host & secondary */
/* 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 */
#define PCI_EXT_CAP_ARI_SIZEOF 8
/* Address Translation Service */
#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_CTRL 0x06
/* ATS Control Register */
#define PCI_ATS_CTRL_ENABLE 0x8000
/* ATS Enable */
#define PCI_ATS_CTRL_STU(x) ((x) & 0x1f)
/* Smallest Translation Unit */
#define PCI_ATS_MIN_STU 12
/* shift of minimum STU block */
#define PCI_EXT_CAP_ATS_SIZEOF 8
/* 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_MAX_REQ 0x08
/* PRI max reqs supported */
#define PCI_PRI_ALLOC_REQ 0x0c
/* PRI max reqs allowed */
#define PCI_EXT_CAP_PRI_SIZEOF 16
/* Process Address Space ID */
#define PCI_PASID_CAP 0x04
/* PASID feature register */
#define PCI_PASID_CAP_EXEC 0x02
/* Exec permissions Supported */
#define PCI_PASID_CAP_PRIV 0x04
/* Privilege Mode Supported */
#define PCI_PASID_CTRL 0x06
/* PASID control register */
#define PCI_PASID_CTRL_ENABLE 0x01
/* Enable bit */
#define PCI_PASID_CTRL_EXEC 0x02
/* Exec permissions Enable */
#define PCI_PASID_CTRL_PRIV 0x04
/* Privilege Mode Enable */
#define PCI_EXT_CAP_PASID_SIZEOF 8
/* 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_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_STATUS 0x0a
/* SR-IOV Status */
#define PCI_SRIOV_STATUS_VFM 0x01
/* 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 */
#define PCI_SRIOV_FUNC_LINK 0x12
/* Function Dependency Link */
#define PCI_SRIOV_VF_OFFSET 0x14
/* First VF Offset */
#define PCI_SRIOV_VF_STRIDE 0x16
/* Following VF Stride */
#define PCI_SRIOV_VF_DID 0x1a
/* VF Device ID */
#define PCI_SRIOV_SUP_PGSIZE 0x1c
/* Supported Page Sizes */
#define PCI_SRIOV_SYS_PGSIZE 0x20
/* System Page Size */
#define PCI_SRIOV_BAR 0x24
/* VF BAR0 */
#define PCI_SRIOV_NUM_BARS 6
/* Number of VF BARs */
#define PCI_SRIOV_VFM 0x3c
/* VF Migration State Array Offset*/
#define PCI_SRIOV_VFM_BIR(x) ((x) & 7)
/* State BIR */
#define PCI_SRIOV_VFM_OFFSET(x) ((x) & ~7)
/* State Offset */
#define PCI_SRIOV_VFM_UA 0x0
/* Inactive.Unavailable */
#define PCI_SRIOV_VFM_MI 0x1
/* Dormant.MigrateIn */
#define PCI_SRIOV_VFM_MO 0x2
/* Active.MigrateOut */
#define PCI_SRIOV_VFM_AV 0x3
/* Active.Available */
#define PCI_EXT_CAP_SRIOV_SIZEOF 64
#define PCI_LTR_MAX_SNOOP_LAT 0x4
#define PCI_LTR_MAX_NOSNOOP_LAT 0x6
#define PCI_LTR_VALUE_MASK 0x000003ff
#define PCI_LTR_SCALE_MASK 0x00001c00
#define PCI_LTR_SCALE_SHIFT 10
#define PCI_EXT_CAP_LTR_SIZEOF 8
/* 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_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 */
#define PCI_VSEC_HDR 4
/* extended cap - vendor-specific */
#define PCI_VSEC_HDR_LEN_SHIFT 20
/* shift for length field */
/* SATA capability */
#define PCI_SATA_REGS 4
/* SATA REGs specifier */
#define PCI_SATA_REGS_MASK 0xF
/* location - BAR#/inline */
#define PCI_SATA_REGS_INLINE 0xF
/* REGS in config space */
#define PCI_SATA_SIZEOF_SHORT 8
#define PCI_SATA_SIZEOF_LONG 16
/* Resizable BARs */
#define PCI_REBAR_CTRL 8
/* control register */
#define PCI_REBAR_CTRL_NBAR_MASK (7 << 5)
/* mask for # bars */
#define PCI_REBAR_CTRL_NBAR_SHIFT 5
/* shift for # bars */
/* Dynamic Power Allocation */
#define PCI_DPA_CAP 4
/* capability register */
#define PCI_DPA_CAP_SUBSTATE_MASK 0x1F
/* # substates - 1 */
#define PCI_DPA_BASE_SIZEOF 16
/* size with 0 substates */
/* TPH Requester */
#define PCI_TPH_CAP 4
/* capability register */
#define PCI_TPH_CAP_LOC_MASK 0x600
/* location mask */
#define PCI_TPH_LOC_NONE 0x000
/* no location */
#define PCI_TPH_LOC_CAP 0x200
/* in capability */
#define PCI_TPH_LOC_MSIX 0x400
/* in MSI-X */
#define PCI_TPH_CAP_ST_MASK 0x07FF0000
/* st table mask */
#define PCI_TPH_CAP_ST_SHIFT 16
/* st table shift */
#define PCI_TPH_BASE_SIZEOF 12
/* size with no st table */
/* Downstream Port Containment */
#define PCI_EXP_DPC_CAP 4
/* DPC Capability */
#define PCI_EXP_DPC_CAP_RP_EXT 0x20
/* Root Port Extensions for DPC */
#define PCI_EXP_DPC_CAP_POISONED_TLP 0x40
/* Poisoned TLP Egress Blocking Supported */
#define PCI_EXP_DPC_CAP_SW_TRIGGER 0x80
/* Software Triggering Supported */
#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_NONFATAL 0x02
/* Enable trigger on ERR_NONFATAL message */
#define PCI_EXP_DPC_CTL_INT_EN 0x08
/* DPC Interrupt Enable */
#define PCI_EXP_DPC_STATUS 8
/* DPC Status */
#define PCI_EXP_DPC_STATUS_TRIGGER 0x01
/* Trigger Status */
#define PCI_EXP_DPC_STATUS_INTERRUPT 0x08
/* Interrupt Status */
#define PCI_EXP_DPC_RP_BUSY 0x10
/* Root Port Busy */
#define PCI_EXP_DPC_SOURCE_ID 10
/* DPC Source Identifier */
/* Precision Time Measurement */
#define PCI_PTM_CAP 0x04
/* PTM Capability */
#define PCI_PTM_CAP_REQ 0x00000001
/* Requester capable */
#define PCI_PTM_CAP_ROOT 0x00000004
/* Root capable */
#define PCI_PTM_GRANULARITY_MASK 0x0000FF00
/* Clock granularity */
#define PCI_PTM_CTRL 0x08
/* PTM Control */
#define PCI_PTM_CTRL_ENABLE 0x00000001
/* PTM enable */
#define PCI_PTM_CTRL_ROOT 0x00000002
/* Root select */
/* L1 PM Substates */
#define PCI_L1SS_CAP 4
/* capability register */
#define PCI_L1SS_CAP_PCIPM_L1_2 1
/* PCI PM L1.2 Support */
#define PCI_L1SS_CAP_PCIPM_L1_1 2
/* PCI PM L1.1 Support */
#define PCI_L1SS_CAP_ASPM_L1_2 4
/* ASPM L1.2 Support */
#define PCI_L1SS_CAP_ASPM_L1_1 8
/* ASPM L1.1 Support */
#define PCI_L1SS_CAP_L1_PM_SS 16
/* L1 PM Substates Support */
#define PCI_L1SS_CTL1 8
/* Control Register 1 */
#define PCI_L1SS_CTL1_PCIPM_L1_2 1
/* PCI PM L1.2 Enable */
#define PCI_L1SS_CTL1_PCIPM_L1_1 2
/* PCI PM L1.1 Support */
#define PCI_L1SS_CTL1_ASPM_L1_2 4
/* ASPM L1.2 Support */
#define PCI_L1SS_CTL1_ASPM_L1_1 8
/* ASPM L1.1 Support */
#define PCI_L1SS_CTL1_L1SS_MASK 0x0000000F
#define PCI_L1SS_CTL2 0xC
/* Control Register 2 */
#endif /* LINUX_PCI_REGS_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Greg Kroah-Hartman | 1703 | 41.29% | 1 | 1.15% |
| Alex Williamson | 527 | 12.78% | 6 | 6.90% |
| Björn Helgaas | 307 | 7.44% | 16 | 18.39% |
| Yu Zhao | 288 | 6.98% | 6 | 6.90% |
| Kenji Kaneshige | 255 | 6.18% | 1 | 1.15% |
| Sean O. Stalley | 169 | 4.10% | 1 | 1.15% |
| Rajat Jain | 75 | 1.82% | 2 | 2.30% |
| Sheng Yang | 72 | 1.75% | 4 | 4.60% |
| Keith Busch | 71 | 1.72% | 3 | 3.45% |
| Eric W. Biedermann | 69 | 1.67% | 3 | 3.45% |
| Matt Carlson | 61 | 1.48% | 1 | 1.15% |
| Allen M Kay | 53 | 1.29% | 1 | 1.15% |
| Jesse Barnes | 53 | 1.29% | 4 | 4.60% |
| Yanmin Zhang | 48 | 1.16% | 1 | 1.15% |
| Michael Ellerman | 48 | 1.16% | 3 | 3.45% |
| Joerg Roedel | 44 | 1.07% | 2 | 2.30% |
| David Shaohua Li | 35 | 0.85% | 2 | 2.30% |
| Jonathan Yong | 32 | 0.78% | 1 | 1.15% |
| Jeff Kirsher | 25 | 0.61% | 1 | 1.15% |
| Rafał Miłecki | 20 | 0.48% | 1 | 1.15% |
| Ram Amrani | 20 | 0.48% | 2 | 2.30% |
| Alexander Chiang | 20 | 0.48% | 1 | 1.15% |
| Hidetoshi Seto | 18 | 0.44% | 3 | 3.45% |
| Dave Airlie | 17 | 0.41% | 1 | 1.15% |
| Alexander Duyck | 13 | 0.32% | 1 | 1.15% |
| Rafael J. Wysocki | 13 | 0.32% | 2 | 2.30% |
| Michael S. Tsirkin | 10 | 0.24% | 2 | 2.30% |
| Gabe Black | 9 | 0.22% | 1 | 1.15% |
| Wang Sheng-Hui | 9 | 0.22% | 1 | 1.15% |
| Yijing Wang | 7 | 0.17% | 2 | 2.30% |
| Brice Goglin | 6 | 0.15% | 2 | 2.30% |
| Jiang Liu | 5 | 0.12% | 1 | 1.15% |
| John W. Linville | 4 | 0.10% | 1 | 1.15% |
| Michael Chan | 4 | 0.10% | 1 | 1.15% |
| Anthony PERARD | 4 | 0.10% | 1 | 1.15% |
| Benjamin Herrenschmidt | 3 | 0.07% | 1 | 1.15% |
| Chen Gong | 2 | 0.05% | 1 | 1.15% |
| Gary Hade | 2 | 0.05% | 1 | 1.15% |
| Lucas De Marchi | 2 | 0.05% | 1 | 1.15% |
| Matthias Kaehlcke | 1 | 0.02% | 1 | 1.15% |
| Total | 4124 | 100.00% | 87 | 100.00% |
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