/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* 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_STD_NUM_BARS
6 /* Number of standard BARs */
#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_IMM_READY
0x01
/* Immediate Readiness */
#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_MASK
0x7f
#define PCI_HEADER_TYPE_NORMAL
0
#define PCI_HEADER_TYPE_BRIDGE
1
#define PCI_HEADER_TYPE_CARDBUS
2
#define PCI_HEADER_TYPE_MFD
0x80
/* Multi-Function Device (possible) */
#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_D3hot
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 Signaled Interrupt registers */
#define PCI_MSI_FLAGS
0x02
/* 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
0x04
/* Lower 32 bits */
#define PCI_MSI_ADDRESS_HI
0x08
/* Upper 32 bits (if PCI_MSI_FLAGS_64BIT set) */
#define PCI_MSI_DATA_32
0x08
/* 16 bits of data for 32-bit devices */
#define PCI_MSI_MASK_32
0x0c
/* Mask bits register for 32-bit devices */
#define PCI_MSI_PENDING_32
0x10
/* Pending intrs for 32-bit devices */
#define PCI_MSI_DATA_64
0x0c
/* 16 bits of data for 64-bit devices */
#define PCI_MSI_MASK_64
0x10
/* Mask bits register for 64-bit devices */
#define PCI_MSI_PENDING_64
0x14
/* Pending intrs for 64-bit devices */
/* 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 */
#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 (in memory mapped by a BAR) */
#define PCI_MSIX_ENTRY_SIZE
16
#define PCI_MSIX_ENTRY_LOWER_ADDR
0x0
/* Message Address */
#define PCI_MSIX_ENTRY_UPPER_ADDR
0x4
/* Message Upper Address */
#define PCI_MSIX_ENTRY_DATA
0x8
/* Message Data */
#define PCI_MSIX_ENTRY_VECTOR_CTRL
0xc
/* Vector Control */
#define PCI_MSIX_ENTRY_CTRL_MASKBIT
0x00000001
/* Mask Bit */
#define PCI_MSIX_ENTRY_CTRL_ST
0xffff0000
/* Steering Tag */
/* 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 */
/* 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
#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
0x02
/* 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_FLIT
0x8000
/* Flit Mode Supported */
#define PCI_EXP_DEVCAP
0x04
/* 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
0x08
/* 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_PAYLOAD_128B
0x0000
/* 128 Bytes */
#define PCI_EXP_DEVCTL_PAYLOAD_256B
0x0020
/* 256 Bytes */
#define PCI_EXP_DEVCTL_PAYLOAD_512B
0x0040
/* 512 Bytes */
#define PCI_EXP_DEVCTL_PAYLOAD_1024B
0x0060
/* 1024 Bytes */
#define PCI_EXP_DEVCTL_PAYLOAD_2048B
0x0080
/* 2048 Bytes */
#define PCI_EXP_DEVCTL_PAYLOAD_4096B
0x00a0
/* 4096 Bytes */
#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_READRQ_2048B
0x4000
/* 2048 Bytes */
#define PCI_EXP_DEVCTL_READRQ_4096B
0x5000
/* 4096 Bytes */
#define PCI_EXP_DEVCTL_BCR_FLR
0x8000
/* Bridge Configuration Retry / FLR */
#define PCI_EXP_DEVSTA
0x0a
/* 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_CAP_EXP_RC_ENDPOINT_SIZEOF_V1
12 /* v1 endpoints without link end here */
#define PCI_EXP_LNKCAP
0x0c
/* Link Capabilities */
#define PCI_EXP_LNKCAP_SLS
0x0000000f
/* Max Link Speed (prior to PCIe r3.0: 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_SLS_8_0GB
0x00000003
/* LNKCAP2 SLS Vector bit 2 */
#define PCI_EXP_LNKCAP_SLS_16_0GB
0x00000004
/* LNKCAP2 SLS Vector bit 3 */
#define PCI_EXP_LNKCAP_SLS_32_0GB
0x00000005
/* LNKCAP2 SLS Vector bit 4 */
#define PCI_EXP_LNKCAP_SLS_64_0GB
0x00000006
/* LNKCAP2 SLS Vector bit 5 */
#define PCI_EXP_LNKCAP_MLW
0x000003f0
/* Maximum Link Width */
#define PCI_EXP_LNKCAP_ASPMS
0x00000c00
/* ASPM Support */
#define PCI_EXP_LNKCAP_ASPM_L0S
0x00000400
/* ASPM L0s Support */
#define PCI_EXP_LNKCAP_ASPM_L1
0x00000800
/* ASPM L1 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
0x10
/* 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
0x12
/* 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_CLS_16_0GB
0x0004
/* Current Link Speed 16.0GT/s */
#define PCI_EXP_LNKSTA_CLS_32_0GB
0x0005
/* Current Link Speed 32.0GT/s */
#define PCI_EXP_LNKSTA_CLS_64_0GB
0x0006
/* Current Link Speed 64.0GT/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 with link end here */
#define PCI_EXP_SLTCAP
0x14
/* 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
0x18
/* 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_SHIFT
6 /* Attention Indicator shift */
#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_SLTCTL_ASPL_DISABLE
0x2000
/* Auto Slot Power Limit Disable */
#define PCI_EXP_SLTCTL_IBPD_DISABLE
0x4000
/* In-band PD disable */
#define PCI_EXP_SLTSTA
0x1a
/* 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
0x1c
/* 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_RRS_SVE
0x0010
/* Config RRS Software Visibility Enable */
#define PCI_EXP_RTCTL_CRSSVE PCI_EXP_RTCTL_RRS_SVE
/* compatibility */
#define PCI_EXP_RTCAP
0x1e
/* Root Capabilities */
#define PCI_EXP_RTCAP_RRS_SV
0x0001
/* Config RRS Software Visibility */
#define PCI_EXP_RTCAP_CRSVIS PCI_EXP_RTCAP_RRS_SV
/* compatibility */
#define PCI_EXP_RTSTA
0x20
/* Root Status */
#define PCI_EXP_RTSTA_PME_RQ_ID
0x0000ffff
/* PME Requester ID */
#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
0x24
/* Device Capabilities 2 */
#define PCI_EXP_DEVCAP2_COMP_TMOUT_DIS
0x00000010
/* Completion Timeout Disable supported */
#define PCI_EXP_DEVCAP2_ARI
0x00000020
/* Alternative Routing-ID */
#define PCI_EXP_DEVCAP2_ATOMIC_ROUTE
0x00000040
/* Atomic Op routing */
#define PCI_EXP_DEVCAP2_ATOMIC_COMP32
0x00000080
/* 32b AtomicOp completion */
#define PCI_EXP_DEVCAP2_ATOMIC_COMP64
0x00000100
/* 64b AtomicOp completion */
#define PCI_EXP_DEVCAP2_ATOMIC_COMP128
0x00000200
/* 128b AtomicOp completion */
#define PCI_EXP_DEVCAP2_LTR
0x00000800
/* Latency tolerance reporting */
#define PCI_EXP_DEVCAP2_TPH_COMP_MASK
0x00003000
/* TPH completer support */
#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_MAX
0x00c00000
/* Max End-End TLP Prefixes */
#define PCI_EXP_DEVCTL2
0x28
/* 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_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
0x2a
/* Device Status 2 */
#define PCI_CAP_EXP_RC_ENDPOINT_SIZEOF_V2
0x2c
/* end of v2 EPs w/o link */
#define PCI_EXP_LNKCAP2
0x2c
/* Link Capabilities 2 */
#define PCI_EXP_LNKCAP2_SLS
0x000000fe
/* Supported Link Speeds Vector */
#define PCI_EXP_LNKCAP2_SLS_2_5GB
0x00000002
/* Supported Speed 2.5GT/s */
#define PCI_EXP_LNKCAP2_SLS_5_0GB
0x00000004
/* Supported Speed 5GT/s */
#define PCI_EXP_LNKCAP2_SLS_8_0GB
0x00000008
/* Supported Speed 8GT/s */
#define PCI_EXP_LNKCAP2_SLS_16_0GB
0x00000010
/* Supported Speed 16GT/s */
#define PCI_EXP_LNKCAP2_SLS_32_0GB
0x00000020
/* Supported Speed 32GT/s */
#define PCI_EXP_LNKCAP2_SLS_64_0GB
0x00000040
/* Supported Speed 64GT/s */
#define PCI_EXP_LNKCAP2_CROSSLINK
0x00000100
/* Crosslink supported */
#define PCI_EXP_LNKCTL2
0x30
/* 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_32_0GT
0x0005
/* Supported Speed 32GT/s */
#define PCI_EXP_LNKCTL2_TLS_64_0GT
0x0006
/* Supported Speed 64GT/s */
#define PCI_EXP_LNKCTL2_ENTER_COMP
0x0010
/* Enter Compliance */
#define PCI_EXP_LNKCTL2_TX_MARGIN
0x0380
/* Transmit Margin */
#define PCI_EXP_LNKCTL2_HASD
0x0020
/* HW Autonomous Speed Disable */
#define PCI_EXP_LNKSTA2
0x32
/* Link Status 2 */
#define PCI_EXP_LNKSTA2_FLIT
0x0400
/* Flit Mode Status */
#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2
0x32
/* end of v2 EPs w/ link */
#define PCI_EXP_SLTCAP2
0x34
/* Slot Capabilities 2 */
#define PCI_EXP_SLTCAP2_IBPD
0x00000001
/* In-band PD Disable Supported */
#define PCI_EXP_SLTCTL2
0x38
/* Slot Control 2 */
#define PCI_EXP_SLTSTA2
0x3a
/* 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_DVSEC
0x23
/* Designated Vendor-Specific */
#define PCI_EXT_CAP_ID_VF_REBAR
0x24
/* VF Resizable BAR */
#define PCI_EXT_CAP_ID_DLF
0x25
/* Data Link Feature */
#define PCI_EXT_CAP_ID_PL_16GT
0x26
/* Physical Layer 16.0 GT/s */
#define PCI_EXT_CAP_ID_NPEM
0x29
/* Native PCIe Enclosure Management */
#define PCI_EXT_CAP_ID_PL_32GT
0x2A
/* Physical Layer 32.0 GT/s */
#define PCI_EXT_CAP_ID_DOE
0x2E
/* Data Object Exchange */
#define PCI_EXT_CAP_ID_PL_64GT
0x31
/* Physical Layer 64.0 GT/s */
#define PCI_EXT_CAP_ID_MAX PCI_EXT_CAP_ID_PL_64GT
#define PCI_EXT_CAP_DSN_SIZEOF
12
#define PCI_EXT_CAP_MCAST_ENDPOINT_SIZEOF
40
/* Advanced Error Reporting */
#define PCI_ERR_UNCOR_STATUS
0x04
/* 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
0x08
/* Uncorrectable Error Mask */
/* Same bits as above */
#define PCI_ERR_UNCOR_SEVER
0x0c
/* Uncorrectable Error Severity */
/* Same bits as above */
#define PCI_ERR_COR_STATUS
0x10
/* 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
0x14
/* Correctable Error Mask */
/* Same bits as above */
#define PCI_ERR_CAP
0x18
/* Advanced Error Capabilities & Ctrl*/
#define PCI_ERR_CAP_FEP(x) ((x) &
0x1f)
/* 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_CAP_PREFIX_LOG_PRESENT
0x00000800
/* TLP Prefix Log Present */
#define PCI_ERR_CAP_TLP_LOG_FLIT
0x00040000
/* TLP was logged in Flit Mode */
#define PCI_ERR_CAP_TLP_LOG_SIZE
0x00f80000
/* Logged TLP Size (only in Flit mode) */
#define PCI_ERR_HEADER_LOG
0x1c
/* Header Log Register (16 bytes) */
#define PCI_ERR_ROOT_COMMAND
0x2c
/* 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_STATUS
0x30
#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
0x34
/* Error Source Identification */
#define PCI_ERR_PREFIX_LOG
0x38
/* TLP Prefix LOG Register (up to 16 bytes) */
/* Virtual Channel */
#define PCI_VC_PORT_CAP1
0x04
#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
0x08
#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
0x0c
#define PCI_VC_PORT_CTRL_LOAD_TABLE
0x00000001
#define PCI_VC_PORT_STATUS
0x0e
#define PCI_VC_PORT_STATUS_TABLE
0x00000001
#define PCI_VC_RES_CAP
0x10
#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
0x14
#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
0x1a
#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
0x04
/* Data Select Register */
#define PCI_PWR_DATA
0x08
/* 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
0x0c
/* Capability */
#define PCI_PWR_CAP_BUDGET(x) ((x) &
1)
/* Included in system budget */
#define PCI_EXT_CAP_PWR_SIZEOF
0x10
/* Root Complex Event Collector Endpoint Association */
#define PCI_RCEC_RCIEP_BITMAP
4 /* Associated Bitmap for RCiEPs */
#define PCI_RCEC_BUSN
8 /* RCEC Associated Bus Numbers */
#define PCI_RCEC_BUSN_REG_VER
0x02
/* Least version with BUSN present */
#define PCI_RCEC_BUSN_NEXT(x) (((x) >>
8) &
0xff)
#define PCI_RCEC_BUSN_LAST(x) (((x) >>
16) &
0xff)
/* 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_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 */
#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
0x0001
/* Enable */
#define PCI_PRI_CTRL_RESET
0x0002
/* Reset */
#define PCI_PRI_STATUS
0x06
/* PRI status register */
#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
/* Process Address Space ID */
#define PCI_PASID_CAP
0x04
/* PASID feature register */
#define PCI_PASID_CAP_EXEC
0x0002
/* Exec permissions Supported */
#define PCI_PASID_CAP_PRIV
0x0004
/* Privilege Mode Supported */
#define PCI_PASID_CAP_WIDTH
0x1f00
#define PCI_PASID_CTRL
0x06
/* PASID control register */
#define PCI_PASID_CTRL_ENABLE
0x0001
/* Enable bit */
#define PCI_PASID_CTRL_EXEC
0x0002
/* Exec permissions Enable */
#define PCI_PASID_CTRL_PRIV
0x0004
/* 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
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
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
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 */
#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
0x40
#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_LTR_NOSNOOP_VALUE
0x03ff0000
/* Max No-Snoop Latency Value */
#define PCI_LTR_NOSNOOP_SCALE
0x1c000000
/* Scale for Max Value */
#define PCI_EXT_CAP_LTR_SIZEOF
8
/* Access Control Service */
#define PCI_ACS_CAP
0x04
/* ACS Capability Register */
#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 */
/* 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_CAP
4 /* capability register */
#define PCI_REBAR_CAP_SIZES
0xFFFFFFF0
/* supported BAR sizes */
#define PCI_REBAR_CTRL
8 /* control register */
#define PCI_REBAR_CTRL_BAR_IDX
0x00000007
/* BAR index */
#define PCI_REBAR_CTRL_NBAR_MASK
0x000000E0
/* # of resizable BARs */
#define PCI_REBAR_CTRL_NBAR_SHIFT
5 /* shift for # of BARs */
#define PCI_REBAR_CTRL_BAR_SIZE
0x00001F00
/* BAR size */
#define PCI_REBAR_CTRL_BAR_SHIFT
8 /* shift for BAR size */
/* 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 Completer Support */
#define PCI_EXP_DEVCAP2_TPH_COMP_NONE
0x0
/* None */
#define PCI_EXP_DEVCAP2_TPH_COMP_TPH_ONLY
0x1
/* TPH only */
#define PCI_EXP_DEVCAP2_TPH_COMP_EXT_TPH
0x3
/* TPH and Extended TPH */
/* TPH Requester */
#define PCI_TPH_CAP
4 /* capability register */
#define PCI_TPH_CAP_ST_NS
0x00000001
/* No ST Mode Supported */
#define PCI_TPH_CAP_ST_IV
0x00000002
/* Interrupt Vector Mode Supported */
#define PCI_TPH_CAP_ST_DS
0x00000004
/* Device Specific Mode Supported */
#define PCI_TPH_CAP_EXT_TPH
0x00000100
/* Ext TPH Requester Supported */
#define PCI_TPH_CAP_LOC_MASK
0x00000600
/* ST Table Location */
#define PCI_TPH_LOC_NONE
0x00000000
/* Not present */
#define PCI_TPH_LOC_CAP
0x00000200
/* In capability */
#define PCI_TPH_LOC_MSIX
0x00000400
/* In MSI-X */
#define PCI_TPH_CAP_ST_MASK
0x07FF0000
/* ST Table Size */
#define PCI_TPH_CAP_ST_SHIFT
16 /* ST Table Size shift */
#define PCI_TPH_BASE_SIZEOF
0xc
/* Size with no ST table */
#define PCI_TPH_CTRL
8 /* control register */
#define PCI_TPH_CTRL_MODE_SEL_MASK
0x00000007
/* ST Mode Select */
#define PCI_TPH_ST_NS_MODE
0x0
/* No ST Mode */
#define PCI_TPH_ST_IV_MODE
0x1
/* Interrupt Vector Mode */
#define PCI_TPH_ST_DS_MODE
0x2
/* Device Specific Mode */
#define PCI_TPH_CTRL_REQ_EN_MASK
0x00000300
/* TPH Requester Enable */
#define PCI_TPH_REQ_DISABLE
0x0
/* No TPH requests allowed */
#define PCI_TPH_REQ_TPH_ONLY
0x1
/* TPH only requests allowed */
#define PCI_TPH_REQ_EXT_TPH
0x3
/* Extended TPH requests allowed */
/* Downstream Port Containment */
#define PCI_EXP_DPC_CAP
0x04
/* DPC Capability */
#define PCI_EXP_DPC_IRQ
0x001F
/* Interrupt Message Number */
#define PCI_EXP_DPC_CAP_RP_EXT
0x0020
/* Root Port Extensions */
#define PCI_EXP_DPC_CAP_POISONED_TLP
0x0040
/* Poisoned TLP Egress Blocking Supported */
#define PCI_EXP_DPC_CAP_SW_TRIGGER
0x0080
/* Software Triggering Supported */
#define PCI_EXP_DPC_RP_PIO_LOG_SIZE
0x0F00
/* RP PIO Log Size [3:0] */
#define PCI_EXP_DPC_CAP_DL_ACTIVE
0x1000
/* ERR_COR signal on DL_Active supported */
#define PCI_EXP_DPC_RP_PIO_LOG_SIZE4
0x2000
/* RP PIO Log Size [4] */
#define PCI_EXP_DPC_CTL
0x06
/* 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_STATUS
0x08
/* DPC Status */
#define PCI_EXP_DPC_STATUS_TRIGGER
0x0001
/* Trigger Status */
#define PCI_EXP_DPC_STATUS_TRIGGER_RSN
0x0006
/* Trigger Reason */
#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_UNCOR
0x0000
/* Uncorrectable error */
#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_NFE
0x0002
/* Rcvd ERR_NONFATAL */
#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_FE
0x0004
/* Rcvd ERR_FATAL */
#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_IN_EXT
0x0006
/* Reason in Trig Reason Extension field */
#define PCI_EXP_DPC_STATUS_INTERRUPT
0x0008
/* Interrupt Status */
#define PCI_EXP_DPC_RP_BUSY
0x0010
/* Root Port Busy */
#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_EXT
0x0060
/* Trig Reason Extension */
#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_RP_PIO
0x0000
/* RP PIO error */
#define PCI_EXP_DPC_STATUS_TRIGGER_RSN_SW_TRIGGER
0x0020
/* DPC SW Trigger bit */
#define PCI_EXP_DPC_RP_PIO_FEP
0x1f00
/* RP PIO First Err Ptr */
#define PCI_EXP_DPC_SOURCE_ID
0x0A
/* DPC Source Identifier */
#define PCI_EXP_DPC_RP_PIO_STATUS
0x0C
/* RP PIO Status */
#define PCI_EXP_DPC_RP_PIO_MASK
0x10
/* RP PIO Mask */
#define PCI_EXP_DPC_RP_PIO_SEVERITY
0x14
/* RP PIO Severity */
#define PCI_EXP_DPC_RP_PIO_SYSERROR
0x18
/* RP PIO SysError */
#define PCI_EXP_DPC_RP_PIO_EXCEPTION
0x1C
/* RP PIO Exception */
#define PCI_EXP_DPC_RP_PIO_HEADER_LOG
0x20
/* RP PIO Header Log */
#define PCI_EXP_DPC_RP_PIO_IMPSPEC_LOG
0x30
/* RP PIO ImpSpec Log */
#define PCI_EXP_DPC_RP_PIO_TLPPREFIX_LOG
0x34
/* RP PIO TLP Prefix Log */
/* Precision Time Measurement */
#define PCI_PTM_CAP
0x04
/* PTM Capability */
#define PCI_PTM_CAP_REQ
0x00000001
/* Requester capable */
#define PCI_PTM_CAP_RES
0x00000002
/* Responder 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 */
/* ASPM L1 PM Substates */
#define PCI_L1SS_CAP
0x04
/* Capabilities Register */
#define PCI_L1SS_CAP_PCIPM_L1_2
0x00000001
/* PCI-PM L1.2 Supported */
#define PCI_L1SS_CAP_PCIPM_L1_1
0x00000002
/* PCI-PM L1.1 Supported */
#define PCI_L1SS_CAP_ASPM_L1_2
0x00000004
/* ASPM L1.2 Supported */
#define PCI_L1SS_CAP_ASPM_L1_1
0x00000008
/* ASPM L1.1 Supported */
#define PCI_L1SS_CAP_L1_PM_SS
0x00000010
/* L1 PM Substates Supported */
#define PCI_L1SS_CAP_CM_RESTORE_TIME
0x0000ff00
/* Port Common_Mode_Restore_Time */
#define PCI_L1SS_CAP_P_PWR_ON_SCALE
0x00030000
/* Port T_POWER_ON scale */
#define PCI_L1SS_CAP_P_PWR_ON_VALUE
0x00f80000
/* Port T_POWER_ON value */
#define PCI_L1SS_CTL1
0x08
/* Control 1 Register */
#define PCI_L1SS_CTL1_PCIPM_L1_2
0x00000001
/* PCI-PM L1.2 Enable */
#define PCI_L1SS_CTL1_PCIPM_L1_1
0x00000002
/* PCI-PM L1.1 Enable */
#define PCI_L1SS_CTL1_ASPM_L1_2
0x00000004
/* ASPM L1.2 Enable */
#define PCI_L1SS_CTL1_ASPM_L1_1
0x00000008
/* ASPM L1.1 Enable */
#define PCI_L1SS_CTL1_L1_2_MASK
0x00000005
#define PCI_L1SS_CTL1_L1SS_MASK
0x0000000f
#define PCI_L1SS_CTL1_CM_RESTORE_TIME
0x0000ff00
/* Common_Mode_Restore_Time */
#define PCI_L1SS_CTL1_LTR_L12_TH_VALUE
0x03ff0000
/* LTR_L1.2_THRESHOLD_Value */
#define PCI_L1SS_CTL1_LTR_L12_TH_SCALE
0xe0000000
/* LTR_L1.2_THRESHOLD_Scale */
#define PCI_L1SS_CTL2
0x0c
/* Control 2 Register */
#define PCI_L1SS_CTL2_T_PWR_ON_SCALE
0x00000003
/* T_POWER_ON Scale */
#define PCI_L1SS_CTL2_T_PWR_ON_VALUE
0x000000f8
/* T_POWER_ON Value */
/* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */
#define PCI_DVSEC_HEADER1
0x4
/* Designated Vendor-Specific Header1 */
#define PCI_DVSEC_HEADER1_VID(x) ((x) &
0xffff)
#define PCI_DVSEC_HEADER1_REV(x) (((x) >>
16) &
0xf)
#define PCI_DVSEC_HEADER1_LEN(x) (((x) >>
20) &
0xfff)
#define PCI_DVSEC_HEADER2
0x8
/* Designated Vendor-Specific Header2 */
#define PCI_DVSEC_HEADER2_ID(x) ((x) &
0xffff)
/* VF Resizable BARs, same layout as PCI_REBAR */
#define PCI_VF_REBAR_CAP PCI_REBAR_CAP
#define PCI_VF_REBAR_CAP_SIZES PCI_REBAR_CAP_SIZES
#define PCI_VF_REBAR_CTRL PCI_REBAR_CTRL
#define PCI_VF_REBAR_CTRL_BAR_IDX PCI_REBAR_CTRL_BAR_IDX
#define PCI_VF_REBAR_CTRL_NBAR_MASK PCI_REBAR_CTRL_NBAR_MASK
#define PCI_VF_REBAR_CTRL_BAR_SIZE PCI_REBAR_CTRL_BAR_SIZE
/* Data Link Feature */
#define PCI_DLF_CAP
0x04
/* Capabilities Register */
#define PCI_DLF_EXCHANGE_ENABLE
0x80000000
/* Data Link Feature Exchange Enable */
/* Secondary PCIe Capability 8.0 GT/s */
#define PCI_SECPCI_LE_CTRL
0x0c
/* Lane Equalization Control Register */
/* Physical Layer 16.0 GT/s */
#define PCI_PL_16GT_LE_CTRL
0x20
/* Lane Equalization Control Register */
#define PCI_PL_16GT_LE_CTRL_DSP_TX_PRESET_MASK
0x0000000F
#define PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_MASK
0x000000F0
#define PCI_PL_16GT_LE_CTRL_USP_TX_PRESET_SHIFT
4
/* Physical Layer 32.0 GT/s */
#define PCI_PL_32GT_LE_CTRL
0x20
/* Lane Equalization Control Register */
/* Physical Layer 64.0 GT/s */
#define PCI_PL_64GT_LE_CTRL
0x20
/* Lane Equalization Control Register */
/* Native PCIe Enclosure Management */
#define PCI_NPEM_CAP
0x04
/* NPEM capability register */
#define PCI_NPEM_CAP_CAPABLE
0x00000001
/* NPEM Capable */
#define PCI_NPEM_CTRL
0x08
/* NPEM control register */
#define PCI_NPEM_CTRL_ENABLE
0x00000001
/* NPEM Enable */
/*
* Native PCIe Enclosure Management indication bits and Reset command bit
* are corresponding for capability and control registers.
*/
#define PCI_NPEM_CMD_RESET
0x00000002
/* Reset Command */
#define PCI_NPEM_IND_OK
0x00000004
/* OK */
#define PCI_NPEM_IND_LOCATE
0x00000008
/* Locate */
#define PCI_NPEM_IND_FAIL
0x00000010
/* Fail */
#define PCI_NPEM_IND_REBUILD
0x00000020
/* Rebuild */
#define PCI_NPEM_IND_PFA
0x00000040
/* Predicted Failure Analysis */
#define PCI_NPEM_IND_HOTSPARE
0x00000080
/* Hot Spare */
#define PCI_NPEM_IND_ICA
0x00000100
/* In Critical Array */
#define PCI_NPEM_IND_IFA
0x00000200
/* In Failed Array */
#define PCI_NPEM_IND_IDT
0x00000400
/* Device Type */
#define PCI_NPEM_IND_DISABLED
0x00000800
/* Disabled */
#define PCI_NPEM_IND_SPEC_0
0x01000000
#define PCI_NPEM_IND_SPEC_1
0x02000000
#define PCI_NPEM_IND_SPEC_2
0x04000000
#define PCI_NPEM_IND_SPEC_3
0x08000000
#define PCI_NPEM_IND_SPEC_4
0x10000000
#define PCI_NPEM_IND_SPEC_5
0x20000000
#define PCI_NPEM_IND_SPEC_6
0x40000000
#define PCI_NPEM_IND_SPEC_7
0x80000000
#define PCI_NPEM_STATUS
0x0c
/* NPEM status register */
#define PCI_NPEM_STATUS_CC
0x00000001
/* Command Completed */
/* Data Object Exchange */
#define PCI_DOE_CAP
0x04
/* DOE Capabilities Register */
#define PCI_DOE_CAP_INT_SUP
0x00000001
/* Interrupt Support */
#define PCI_DOE_CAP_INT_MSG_NUM
0x00000ffe
/* Interrupt Message Number */
#define PCI_DOE_CTRL
0x08
/* DOE Control Register */
#define PCI_DOE_CTRL_ABORT
0x00000001
/* DOE Abort */
#define PCI_DOE_CTRL_INT_EN
0x00000002
/* DOE Interrupt Enable */
#define PCI_DOE_CTRL_GO
0x80000000
/* DOE Go */
#define PCI_DOE_STATUS
0x0c
/* DOE Status Register */
#define PCI_DOE_STATUS_BUSY
0x00000001
/* DOE Busy */
#define PCI_DOE_STATUS_INT_STATUS
0x00000002
/* DOE Interrupt Status */
#define PCI_DOE_STATUS_ERROR
0x00000004
/* DOE Error */
#define PCI_DOE_STATUS_DATA_OBJECT_READY
0x80000000
/* Data Object Ready */
#define PCI_DOE_WRITE
0x10
/* DOE Write Data Mailbox Register */
#define PCI_DOE_READ
0x14
/* DOE Read Data Mailbox Register */
#define PCI_DOE_CAP_SIZEOF
0x18
/* Size of DOE register block */
/* DOE Data Object - note not actually registers */
#define PCI_DOE_DATA_OBJECT_HEADER_1_VID
0x0000ffff
#define PCI_DOE_DATA_OBJECT_HEADER_1_TYPE
0x00ff0000
#define PCI_DOE_DATA_OBJECT_HEADER_2_LENGTH
0x0003ffff
#define PCI_DOE_DATA_OBJECT_DISC_REQ_3_INDEX
0x000000ff
#define PCI_DOE_DATA_OBJECT_DISC_REQ_3_VER
0x0000ff00
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_VID
0x0000ffff
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_TYPE
0x00ff0000
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_NEXT_INDEX
0xff000000
/* Deprecated old name, replaced with PCI_DOE_DATA_OBJECT_DISC_RSP_3_TYPE */
#define PCI_DOE_DATA_OBJECT_DISC_RSP_3_PROTOCOL PCI_DOE_DATA_OBJECT_DISC_RSP_3_TYP
E
/* Compute Express Link (CXL r3.1, sec 8.1.5) */
#define PCI_DVSEC_CXL_PORT 3
#define PCI_DVSEC_CXL_PORT_CTL 0x0c
#define PCI_DVSEC_CXL_PORT_CTL_UNMASK_SBR 0x00000001
#endif /* LINUX_PCI_REGS_H */