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Diffstat (limited to 'include/linux/pci_regs.h')
| -rw-r--r-- | include/linux/pci_regs.h | 846 |
1 files changed, 0 insertions, 846 deletions
diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h deleted file mode 100644 index 20ae747ddf3..00000000000 --- a/include/linux/pci_regs.h +++ /dev/null @@ -1,846 +0,0 @@ -/* - * 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 - -/* - * 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 (~0x7ffUL) - -#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_MAX PCI_CAP_ID_AF -#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 /* Various flags */ -#define PCI_MSI_FLAGS_64BIT 0x80 /* 64-bit addresses allowed */ -#define PCI_MSI_FLAGS_QSIZE 0x70 /* Message queue size configured */ -#define PCI_MSI_FLAGS_QMASK 0x0e /* Maximum queue size available */ -#define PCI_MSI_FLAGS_ENABLE 0x01 /* MSI feature enabled */ -#define PCI_MSI_FLAGS_MASKBIT 0x100 /* 64-bit mask bits allowed */ -#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 -#define PCI_MSIX_FLAGS_QSIZE 0x7FF -#define PCI_MSIX_FLAGS_ENABLE (1 << 15) -#define PCI_MSIX_FLAGS_MASKALL (1 << 14) -#define PCI_MSIX_TABLE 4 -#define PCI_MSIX_PBA 8 -#define PCI_MSIX_FLAGS_BIRMASK (7 << 0) -#define PCI_CAP_MSIX_SIZEOF 12 /* size of MSIX registers */ - -/* MSI-X entry's 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-X registers */ - -#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 Bridge Subsystem ID registers */ - -#define PCI_SSVID_VENDOR_ID 4 /* PCI-Bridge subsystem vendor id register */ -#define PCI_SSVID_DEVICE_ID 6 /* PCI-Bridge subsystem device id register */ - -/* 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 /* 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 0x07 /* Max_Payload_Size */ -#define PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */ -#define PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */ -#define PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */ -#define PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */ -#define PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */ -#define PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present */ -#define PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */ -#define PCI_EXP_DEVCAP_RBER 0x8000 /* Role-Based Error Reporting */ -#define PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */ -#define PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* 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_BCR_FLR 0x8000 /* Bridge Configuration Retry / FLR */ -#define PCI_EXP_DEVSTA 10 /* Device Status */ -#define PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */ -#define PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */ -#define PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */ -#define PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */ -#define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */ -#define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */ -#define PCI_EXP_LNKCAP 12 /* Link Capabilities */ -#define PCI_EXP_LNKCAP_SLS 0x0000000f /* Supported Link Speeds */ -#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 /* L1 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_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 0x100 /* 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 /* Lnk 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 0x01 /* Current Link Speed 2.5GT/s */ -#define PCI_EXP_LNKSTA_CLS_5_0GB 0x02 /* Current Link Speed 5.0GT/s */ -#define PCI_EXP_LNKSTA_NLW 0x03f0 /* Nogotiated Link Width */ -#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_PIC 0x0300 /* Power Indicator Control */ -#define PCI_EXP_SLTCTL_PCC 0x0400 /* Power Controller Control */ -#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 0x01 /* System Error on Correctable Error */ -#define PCI_EXP_RTCTL_SENFEE 0x02 /* System Error on Non-Fatal Error */ -#define PCI_EXP_RTCTL_SEFEE 0x04 /* System Error on Fatal Error */ -#define PCI_EXP_RTCTL_PMEIE 0x08 /* PME Interrupt Enable */ -#define PCI_EXP_RTCTL_CRSSVE 0x10 /* CRS Software Visibility Enable */ -#define PCI_EXP_RTCAP 30 /* Root Capabilities */ -#define PCI_EXP_RTSTA 32 /* Root Status */ -#define PCI_EXP_RTSTA_PME 0x10000 /* PME status */ -#define PCI_EXP_RTSTA_PENDING 0x20000 /* PME pending */ -/* - * Note that the following PCI Express 'Capability Structure' registers - * were introduced with 'Capability Version' 0x2 (v2). These registers - * do not exist on devices with Capability Version 1. Use pci_pcie_cap2() - * to use these fields safely. - */ -#define PCI_EXP_DEVCAP2 36 /* Device Capabilities 2 */ -#define PCI_EXP_DEVCAP2_ARI 0x20 /* Alternative Routing-ID */ -#define PCI_EXP_DEVCAP2_LTR 0x800 /* Latency tolerance reporting */ -#define PCI_EXP_OBFF_MASK 0xc0000 /* OBFF support mechanism */ -#define PCI_EXP_OBFF_MSG 0x40000 /* New message signaling */ -#define PCI_EXP_OBFF_WAKE 0x80000 /* Re-use WAKE# for OBFF */ -#define PCI_EXP_DEVCTL2 40 /* Device Control 2 */ -#define PCI_EXP_DEVCTL2_ARI 0x20 /* Alternative Routing-ID */ -#define PCI_EXP_IDO_REQ_EN 0x100 /* ID-based ordering request enable */ -#define PCI_EXP_IDO_CMP_EN 0x200 /* ID-based ordering completion enable */ -#define PCI_EXP_LTR_EN 0x400 /* Latency tolerance reporting */ -#define PCI_EXP_OBFF_MSGA_EN 0x2000 /* OBFF enable with Message type A */ -#define PCI_EXP_OBFF_MSGB_EN 0x4000 /* OBFF enable with Message type B */ -#define PCI_EXP_OBFF_WAKE_EN 0x6000 /* OBFF using WAKE# signaling */ -#define PCI_CAP_EXP_ENDPOINT_SIZEOF_V2 44 /* v2 endpoints end here */ -#define PCI_EXP_LNKCAP2 44 /* Link Capability 2 */ -#define PCI_EXP_LNKCAP2_SLS_2_5GB 0x01 /* Current Link Speed 2.5GT/s */ -#define PCI_EXP_LNKCAP2_SLS_5_0GB 0x02 /* Current Link Speed 5.0GT/s */ -#define PCI_EXP_LNKCAP2_SLS_8_0GB 0x04 /* Current Link Speed 8.0GT/s */ -#define PCI_EXP_LNKCAP2_CROSSLINK 0x100 /* Crosslink supported */ -#define PCI_EXP_LNKCTL2 48 /* Link Control 2 */ -#define PCI_EXP_LNKSTA2 50 /* Link Status 2 */ -#define PCI_EXP_SLTCTL2 56 /* Slot Control 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 alloc */ -#define PCI_EXT_CAP_ID_TPH 0x17 /* TPH request */ -#define PCI_EXT_CAP_ID_LTR 0x18 /* latency tolerance reporting */ -#define PCI_EXT_CAP_ID_SECPCI 0x19 /* Secondary PCIe */ -#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_MAX PCI_EXT_CAP_ID_PASID - -#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_TRAIN 0x00000001 /* Training */ -#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 Recevied */ -#define PCI_ERR_ROOT_UNCOR_RCV 0x00000004 -/* Multi ERR_FATAL/NONFATAL Recevied */ -#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_REG1 4 -#define PCI_VC_REG1_EVCC 0x7 /* extended vc count */ -#define PCI_VC_PORT_REG2 8 -#define PCI_VC_REG2_32_PHASE 0x2 -#define PCI_VC_REG2_64_PHASE 0x4 -#define PCI_VC_REG2_128_PHASE 0x8 -#define PCI_VC_PORT_CTRL 12 -#define PCI_VC_PORT_STATUS 14 -#define PCI_VC_RES_CAP 16 -#define PCI_VC_RES_CTRL 20 -#define PCI_VC_RES_STATUS 26 -#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 powermanagement 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 - -/* PASID capability */ -#define PCI_PASID_CAP 0x04 /* PASID feature register */ -#define PCI_PASID_CAP_EXEC 0x02 /* Exec permissions Supported */ -#define PCI_PASID_CAP_PRIV 0x04 /* Priviledge 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 /* Priviledge 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 */ - -#endif /* LINUX_PCI_REGS_H */ |