/** @file * PCI - The PCI Controller And Devices Constants. (DEV) */ /* * Copyright (C) 2006-2024 Oracle and/or its affiliates. * * This file is part of VirtualBox base platform packages, as * available from https://www.virtualbox.org. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation, in version 3 of the * License. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, see . * * The contents of this file may alternatively be used under the terms * of the Common Development and Distribution License Version 1.0 * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included * in the VirtualBox distribution, in which case the provisions of the * CDDL are applicable instead of those of the GPL. * * You may elect to license modified versions of this file under the * terms and conditions of either the GPL or the CDDL or both. * * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 */ #ifndef VBOX_INCLUDED_pci_h #define VBOX_INCLUDED_pci_h #ifndef RT_WITHOUT_PRAGMA_ONCE # pragma once #endif #include #include #include /** @defgroup grp_pci PCI - The PCI Controller. * @ingroup grp_devdrv * @{ */ /** @name PCI device classes. * @{ */ #define VBOX_PCI_CLASS_UNCLASSIFIED 0x00 #define VBOX_PCI_CLASS_MASS_STORAGE 0x01 #define VBOX_PCI_CLASS_NETWORK 0x02 #define VBOX_PCI_CLASS_DISPLAY 0x03 #define VBOX_PCI_CLASS_MULTI_MEDIA 0x04 #define VBOX_PCI_CLASS_MEMORY 0x05 #define VBOX_PCI_CLASS_BRIDGE 0x06 #define VBOX_PCI_CLASS_COMM 0x07 #define VBOX_PCI_CLASS_SYSTEM 0x08 #define VBOX_PCI_CLASS_INPUT 0x09 #define VBOX_PCI_CLASS_DOCKING_STATION 0x0a #define VBOX_PCI_CLASS_PROCESSOR 0x0b #define VBOX_PCI_CLASS_SERIAL_BUS 0x0c #define VBOX_PCI_CLASS_WIRELESS 0x0d #define VBOX_PCI_CLASS_INTELLIGENT 0x0e #define VBOX_PCI_CLASS_SAT_COMM 0x0f #define VBOX_PCI_CLASS_ENCRYPTION 0x10 #define VBOX_PCI_CLASS_SIG_PROC 0x11 #define VBOX_PCI_CLASS_PROC_ACCEL 0x12 #define VBOX_PCI_CLASS_NON_ESS_INSTR 0x13 #define VBOX_PCI_CLASS_CO_PROCESSOR 0x40 #define VBOX_PCI_CLASS_UNASSIGNED 0xff /** @} */ /** @name PCI device sub-classes. * @{ */ #define VBOX_PCI_SUB_UNCLASSIFIED_NON_VGA 0x00 #define VBOX_PCI_SUB_UNCLASSIFIED_VGA 0x01 #define VBOX_PCI_SUB_MASS_STORAGE_SCSI_BUS 0x00 #define VBOX_PCI_SUB_MASS_STORAGE_IDE 0x01 #define VBOX_PCI_SUB_MASS_STORAGE_FLOPPY 0x02 #define VBOX_PCI_SUB_MASS_STORAGE_IPI_BUS 0x03 #define VBOX_PCI_SUB_MASS_STORAGE_RAID 0x04 #define VBOX_PCI_SUB_MASS_STORAGE_ATA 0x05 #define VBOX_PCI_SUB_MASS_STORAGE_SATA 0x06 #define VBOX_PCI_SUB_MASS_STORAGE_SCSI 0x07 #define VBOX_PCI_SUB_MASS_STORAGE_NVME 0x08 #define VBOX_PCI_SUB_MASS_STORAGE_OTHER 0x80 #define VBOX_PCI_SUB_NETWORK_ETHERNET 0x00 #define VBOX_PCI_SUB_NETWORK_TOKEN_RING 0x01 #define VBOX_PCI_SUB_NETWORK_FDDI 0x02 #define VBOX_PCI_SUB_NETWORK_ATM 0x03 #define VBOX_PCI_SUB_NETWORK_ISDN 0x04 #define VBOX_PCI_SUB_NETWORK_WORLD_FIP 0x05 #define VBOX_PCI_SUB_NETWORK_PICMG 0x06 #define VBOX_PCI_SUB_NETWORK_INFINIBAND 0x07 #define VBOX_PCI_SUB_NETWORK_FABRIC 0x08 #define VBOX_PCI_SUB_NETWORK_OTHER 0x80 #define VBOX_PCI_SUB_DISPLAY_VGA 0x00 #define VBOX_PCI_SUB_DISPLAY_XGA 0x01 #define VBOX_PCI_SUB_DISPLAY_3D 0x02 #define VBOX_PCI_SUB_DISPLAY_OTHER 0x80 #define VBOX_PCI_SUB_MULTI_MEDIA_MM_VIDEO 0x00 #define VBOX_PCI_SUB_MULTI_MEDIA_MM_AUDIO 0x01 #define VBOX_PCI_SUB_MULTI_MEDIA_TELE 0x02 #define VBOX_PCI_SUB_MULTI_MEDIA_AUDIO 0x03 #define VBOX_PCI_SUB_MULTI_MEDIA_OTHER 0x80 #define VBOX_PCI_SUB_MEMORY_RAM 0x00 #define VBOX_PCI_SUB_MEMORY_FLASH 0x01 #define VBOX_PCI_SUB_MEMORY_OTHER 0x80 #define VBOX_PCI_SUB_BRIDGE_HOST 0x00 #define VBOX_PCI_SUB_BRIDGE_ISA 0x01 #define VBOX_PCI_SUB_BRIDGE_EISA 0x02 #define VBOX_PCI_SUB_BRIDGE_MCA 0x03 #define VBOX_PCI_SUB_BRIDGE_PCI 0x04 #define VBOX_PCI_SUB_BRIDGE_PCMCIA 0x05 #define VBOX_PCI_SUB_BRIDGE_NUBUS 0x06 #define VBOX_PCI_SUB_BRIDGE_CARDBUS 0x07 #define VBOX_PCI_SUB_BRIDGE_RACEWAY 0x08 #define VBOX_PCI_SUB_BRIDGE_SEMI_PCI 0x09 #define VBOX_PCI_SUB_BRIDGE_INFINIBAND_PCI 0x0a #define VBOX_PCI_SUB_BRIDGE_OTHER 0x80 #define VBOX_PCI_SUB_COMM_SERIAL 0x00 #define VBOX_PCI_SUB_COMM_PARALLEL 0x01 #define VBOX_PCI_SUB_COMM_MULTIPORT_SERIAL 0x02 #define VBOX_PCI_SUB_COMM_MODEM 0x03 #define VBOX_PCI_SUB_COMM_GBIP 0x04 #define VBOX_PCI_SUB_COMM_SMART_CARD 0x05 #define VBOX_PCI_SUB_COMM_OTHER 0x80 #define VBOX_PCI_SUB_SYSTEM_PIC 0x00 #define VBOX_PCI_SUB_SYSTEM_DMA 0x01 #define VBOX_PCI_SUB_SYSTEM_TIMER 0x02 #define VBOX_PCI_SUB_SYSTEM_RTC 0x03 #define VBOX_PCI_SUB_SYSTEM_PCI_HOTPLUG 0x04 #define VBOX_PCI_SUB_SYSTEM_SD_HOST 0x05 #define VBOX_PCI_SUB_SYSTEM_IOMMU 0x06 #define VBOX_PCI_SUB_SYSTEM_OTHER 0x80 #define VBOX_PCI_SUB_INPUT_KEYBOARD 0x00 #define VBOX_PCI_SUB_INPUT_PEN 0x01 #define VBOX_PCI_SUB_INPUT_MOUSE 0x02 #define VBOX_PCI_SUB_INPUT_SCANNER 0x03 #define VBOX_PCI_SUB_INPUT_GAMEPORT 0x04 #define VBOX_PCI_SUB_INPUT_OTHER 0x80 #define VBOX_PCI_SUB_DOCKING_ST_GENERIC 0x00 #define VBOX_PCI_SUB_DOCKING_ST_OTHER 0x80 #define VBOX_PCI_SUB_PROCESSOR_386 0x00 #define VBOX_PCI_SUB_PROCESSOR_486 0x01 #define VBOX_PCI_SUB_PROCESSOR_PENTIUM 0x02 #define VBOX_PCI_SUB_PROCESSOR_PENTIUM_PRO 0x03 #define VBOX_PCI_SUB_PROCESSOR_ALPHA 0x10 #define VBOX_PCI_SUB_PROCESSOR_POWERPC 0x20 #define VBOX_PCI_SUB_PROCESSOR_MIPS 0x30 #define VBOX_PCI_SUB_PROCESSOR_CO_PROC 0x40 #define VBOX_PCI_SUB_PROCESSOR_OTHER 0x80 #define VBOX_PCI_SUB_SERIAL_BUS_FIREWIRE 0x00 #define VBOX_PCI_SUB_SERIAL_BUS_ACCESS 0x01 #define VBOX_PCI_SUB_SERIAL_BUS_SSA 0x02 #define VBOX_PCI_SUB_SERIAL_BUS_USB 0x03 #define VBOX_PCI_SUB_SERIAL_BUS_FIBRE 0x04 #define VBOX_PCI_SUB_SERIAL_BUS_SMBUS 0x05 #define VBOX_PCI_SUB_SERIAL_BUS_INFINIBAND 0x06 #define VBOX_PCI_SUB_SERIAL_BUS_IPMI 0x07 #define VBOX_PCI_SUB_SERIAL_BUS_SERCOS 0x08 #define VBOX_PCI_SUB_SERIAL_BUS_CANBUS 0x09 #define VBOX_PCI_SUB_SERIAL_BUS_OTHER 0x80 #define VBOX_PCI_SUB_WIRELESS_IRDA 0x00 #define VBOX_PCI_SUB_WIRELESS_IR 0x01 #define VBOX_PCI_SUB_WIRELESS_RF 0x10 #define VBOX_PCI_SUB_WIRELESS_BLUETOOTH 0x11 #define VBOX_PCI_SUB_WIRELESS_BROADBAND 0x12 #define VBOX_PCI_SUB_WIRELESS_ETH_8021A 0x20 #define VBOX_PCI_SUB_WIRELESS_ETH_8021B 0x21 #define VBOX_PCI_SUB_WIRELESS_OTHER 0x80 #define VBOX_PCI_SUB_INTELLIGENT_I20 0x00 #define VBOX_PCI_SUB_SAT_COMM_TV 0x01 #define VBOX_PCI_SUB_SAT_COMM_AUDIO 0x02 #define VBOX_PCI_SUB_SAT_COMM_VOICE 0x03 #define VBOX_PCI_SUB_SAT_COMM_DATA 0x04 #define VBOX_PCI_SUB_ENCRYPT_NETWORK 0x00 #define VBOX_PCI_SUB_ENCRYPT_ENTERTAINMENT 0x01 #define VBOX_PCI_SUB_ENCRYPT_OTHER 0x80 #define VBOX_PCI_SUB_SIG_PROC_DPIO 0x00 #define VBOX_PCI_SUB_SIG_PROC_PERF_COUNTERS 0x01 #define VBOX_PCI_SUB_SIG_PROC_COMM_SYNC 0x10 #define VBOX_PCI_SUB_SIG_PROC_MANAGEMENT 0x20 #define VBOX_PCI_SUB_SIG_PROC_OTHER 0x80 /** @} */ /** * PCI configuration word 4 (command) and word 6 (status). */ typedef enum PCICONFIGCOMMAND { /** Supports/uses memory accesses. */ PCI_COMMAND_IOACCESS = 0x0001, PCI_COMMAND_MEMACCESS = 0x0002, PCI_COMMAND_BUSMASTER = 0x0004 } PCICONFIGCOMMAND; /** * PCI Address space specification. * This is used when registering a I/O region. */ /** * Defined by the PCI specification. */ typedef enum PCIADDRESSSPACE { /** Memory. */ PCI_ADDRESS_SPACE_MEM = 0x00, /** I/O space. */ PCI_ADDRESS_SPACE_IO = 0x01, /** 32-bit BAR. */ PCI_ADDRESS_SPACE_BAR32 = 0x00, /** 64-bit BAR. */ PCI_ADDRESS_SPACE_BAR64 = 0x04, /** Prefetch memory. */ PCI_ADDRESS_SPACE_MEM_PREFETCH = 0x08 } PCIADDRESSSPACE; /** * PCI Memory Request with Address Type. * In accordance with the PCI ATS spec. * See PCI ATS spec. 2.1."Memory Requests with Address Type". */ typedef enum PCIADDRTYPE { /** Untranslated request. */ PCIADDRTYPE_UNTRANSLATED = 0x0, /** Translation request. */ PCIADDRTYPE_TRANSLATION, /** Translated requested. */ PCIADDRTYPE_TRANSLATED, /** Reserved. */ PCIADDRTYPE_RSVD } PCIADDRTYPE; /** @name PCI Configuration Space Registers * @{ */ /* Commented out values common for different header types */ /* Common part of the header */ #define VBOX_PCI_VENDOR_ID 0x00 /**< 16-bit RO */ #define VBOX_PCI_DEVICE_ID 0x02 /**< 16-bit RO */ #define VBOX_PCI_COMMAND 0x04 /**< 16-bit RW, some bits RO */ #define VBOX_PCI_STATUS 0x06 /**< 16-bit RW, some bits RO */ #define VBOX_PCI_REVISION_ID 0x08 /**< 8-bit RO - - device revision */ #define VBOX_PCI_CLASS_PROG 0x09 /**< 8-bit RO - - register-level programming class code (device specific). */ #define VBOX_PCI_CLASS_SUB 0x0a /**< 8-bit RO - - sub-class code. */ #define VBOX_PCI_CLASS_DEVICE VBOX_PCI_CLASS_SUB #define VBOX_PCI_CLASS_BASE 0x0b /**< 8-bit RO - - base class code. */ #define VBOX_PCI_CACHE_LINE_SIZE 0x0c /**< 8-bit RW - - system cache line size */ #define VBOX_PCI_LATENCY_TIMER 0x0d /**< 8-bit RW - - master latency timer, hardwired to 0 for PCIe */ #define VBOX_PCI_HEADER_TYPE 0x0e /**< 8-bit RO - - header type (0 - device, 1 - bridge, 2 - CardBus bridge) */ #define VBOX_PCI_BIST 0x0f /**< 8-bit RW - - built-in self test control */ #define VBOX_PCI_CAPABILITY_LIST 0x34 /**< 8-bit RO? - - linked list of new capabilities implemented by the device, 2 bottom bits reserved */ #define VBOX_PCI_INTERRUPT_LINE 0x3c /**< 8-bit RW - - interrupt line. */ #define VBOX_PCI_INTERRUPT_PIN 0x3d /**< 8-bit RO - - interrupt pin. */ /* Type 0 header, device */ #define VBOX_PCI_BASE_ADDRESS_0 0x10 /**< 32-bit RW */ #define VBOX_PCI_BASE_ADDRESS_1 0x14 /**< 32-bit RW */ #define VBOX_PCI_BASE_ADDRESS_2 0x18 /**< 32-bit RW */ #define VBOX_PCI_BASE_ADDRESS_3 0x1c /**< 32-bit RW */ #define VBOX_PCI_BASE_ADDRESS_4 0x20 /**< 32-bit RW */ #define VBOX_PCI_BASE_ADDRESS_5 0x24 /**< 32-bit RW */ #define VBOX_PCI_CARDBUS_CIS 0x28 /**< 32-bit ?? */ #define VBOX_PCI_SUBSYSTEM_VENDOR_ID 0x2c /**< 16-bit RO */ #define VBOX_PCI_SUBSYSTEM_ID 0x2e /**< 16-bit RO */ #define VBOX_PCI_ROM_ADDRESS 0x30 /**< 32-bit ?? */ /* #define VBOX_PCI_CAPABILITY_LIST 0x34 */ /**< 8-bit? ?? */ #define VBOX_PCI_RESERVED_35 0x35 /**< 8-bit ?? - - reserved */ #define VBOX_PCI_RESERVED_36 0x36 /**< 8-bit ?? - - reserved */ #define VBOX_PCI_RESERVED_37 0x37 /**< 8-bit ?? - - reserved */ #define VBOX_PCI_RESERVED_38 0x38 /**< 32-bit ?? - - reserved */ /* #define VBOX_PCI_INTERRUPT_LINE 0x3c */ /**< 8-bit RW - - interrupt line. */ /* #define VBOX_PCI_INTERRUPT_PIN 0x3d */ /**< 8-bit RO - - interrupt pin. */ #define VBOX_PCI_MIN_GNT 0x3e /**< 8-bit RO - - burst period length (in 1/4 microsecond units) */ #define VBOX_PCI_MAX_LAT 0x3f /**< 8-bit RO - - how often the device needs access to the PCI bus (in 1/4 microsecond units) */ /* Type 1 header, PCI-to-PCI bridge */ /* #define VBOX_PCI_BASE_ADDRESS_0 0x10 */ /**< 32-bit RW */ /* #define VBOX_PCI_BASE_ADDRESS_1 0x14 */ /**< 32-bit RW */ #define VBOX_PCI_PRIMARY_BUS 0x18 /**< 8-bit ?? - - primary bus number. */ #define VBOX_PCI_SECONDARY_BUS 0x19 /**< 8-bit ?? - - secondary bus number. */ #define VBOX_PCI_SUBORDINATE_BUS 0x1a /**< 8-bit ?? - - highest subordinate bus number. (behind the bridge) */ #define VBOX_PCI_SEC_LATENCY_TIMER 0x1b /**< 8-bit ?? - - secondary latency timer. */ #define VBOX_PCI_IO_BASE 0x1c /**< 8-bit ?? - - I/O range base. */ #define VBOX_PCI_IO_LIMIT 0x1d /**< 8-bit ?? - - I/O range limit. */ #define VBOX_PCI_SEC_STATUS 0x1e /**< 16-bit ?? - - secondary status register. */ #define VBOX_PCI_MEMORY_BASE 0x20 /**< 16-bit ?? - - memory range base. */ #define VBOX_PCI_MEMORY_LIMIT 0x22 /**< 16-bit ?? - - memory range limit. */ #define VBOX_PCI_PREF_MEMORY_BASE 0x24 /**< 16-bit ?? - - prefetchable memory range base. */ #define VBOX_PCI_PREF_MEMORY_LIMIT 0x26 /**< 16-bit ?? - - prefetchable memory range limit. */ #define VBOX_PCI_PREF_BASE_UPPER32 0x28 /**< 32-bit ?? - - prefetchable memory range high base.*/ #define VBOX_PCI_PREF_LIMIT_UPPER32 0x2c /**< 32-bit ?? - - prefetchable memory range high limit. */ #define VBOX_PCI_IO_BASE_UPPER16 0x30 /**< 16-bit ?? - - memory range high base. */ #define VBOX_PCI_IO_LIMIT_UPPER16 0x32 /**< 16-bit ?? - - memory range high limit. */ /* #define VBOX_PCI_CAPABILITY_LIST 0x34 */ /**< 8-bit? ?? */ /* #define VBOX_PCI_RESERVED_35 0x35 */ /**< 8-bit ?? - - reserved */ /* #define VBOX_PCI_RESERVED_36 0x36 */ /**< 8-bit ?? - - reserved */ /* #define VBOX_PCI_RESERVED_37 0x37 */ /**< 8-bit ?? - - reserved */ #define VBOX_PCI_ROM_ADDRESS_BR 0x38 /**< 32-bit ?? - - expansion ROM base address */ #define VBOX_PCI_BRIDGE_CONTROL 0x3e /**< 16-bit? ?? - - bridge control */ /* Type 2 header, PCI-to-CardBus bridge */ #define VBOX_PCI_CARDBUS_BASE_ADDRESS 0x10 /**< 32-bit RW - - CardBus Socket/ExCa base address */ #define VBOX_PCI_CARDBUS_CAPLIST 0x14 /**< 8-bit RO? - - offset of capabilities list */ #define VBOX_PCI_CARDBUS_RESERVED_15 0x15 /**< 8-bit ?? - - reserved */ #define VBOX_PCI_CARDBUS_SEC_STATUS 0x16 /**< 16-bit ?? - - secondary status */ #define VBOX_PCI_CARDBUS_PCIBUS_NUMBER 0x18 /**< 8-bit ?? - - PCI bus number */ #define VBOX_PCI_CARDBUS_CARDBUS_NUMBER 0x19 /**< 8-bit ?? - - CardBus bus number */ /* #define VBOX_PCI_SUBORDINATE_BUS 0x1a */ /**< 8-bit ?? - - highest subordinate bus number. (behind the bridge) */ /* #define VBOX_PCI_SEC_LATENCY_TIMER 0x1b */ /**< 8-bit ?? - - secondary latency timer. */ #define VBOX_PCI_CARDBUS_MEMORY_BASE0 0x1c /**< 32-bit RW - - memory base address 0 */ #define VBOX_PCI_CARDBUS_MEMORY_LIMIT0 0x20 /**< 32-bit RW - - memory limit 0 */ #define VBOX_PCI_CARDBUS_MEMORY_BASE1 0x24 /**< 32-bit RW - - memory base address 1 */ #define VBOX_PCI_CARDBUS_MEMORY_LIMIT1 0x28 /**< 32-bit RW - - memory limit 1 */ #define VBOX_PCI_CARDBUS_IO_BASE0 0x2c /**< 32-bit RW - - IO base address 0 */ #define VBOX_PCI_CARDBUS_IO_LIMIT0 0x30 /**< 32-bit RW - - IO limit 0 */ #define VBOX_PCI_CARDBUS_IO_BASE1 0x34 /**< 32-bit RW - - IO base address 1 */ #define VBOX_PCI_CARDBUS_IO_LIMIT1 0x38 /**< 32-bit RW - - IO limit 1 */ /* #define VBOX_PCI_INTERRUPT_LINE 0x3c */ /**< 8-bit RW - - interrupt line. */ /* #define VBOX_PCI_INTERRUPT_PIN 0x3d */ /**< 8-bit RO - - interrupt pin. */ /* #define VBOX_PCI_BRIDGE_CONTROL 0x3e */ /**< 16-bit? ?? - - bridge control */ /** @} */ /* Possible values in status bitmask */ #define VBOX_PCI_STATUS_CAP_LIST 0x10 /* Support Capability List */ #define VBOX_PCI_STATUS_66MHZ 0x20 /* Support 66 Mhz PCI 2.1 bus */ #define VBOX_PCI_STATUS_UDF 0x40 /* Support User Definable Features [obsolete] */ #define VBOX_PCI_STATUS_FAST_BACK 0x80 /* Accept fast-back to back */ #define VBOX_PCI_STATUS_PARITY 0x100 /* Detected parity error */ #define VBOX_PCI_STATUS_DEVSEL_MASK 0x600 /* DEVSEL timing */ #define VBOX_PCI_STATUS_DEVSEL_FAST 0x000 #define VBOX_PCI_STATUS_DEVSEL_MEDIUM 0x200 #define VBOX_PCI_STATUS_DEVSEL_SLOW 0x400 #define VBOX_PCI_STATUS_SIG_TARGET_ABORT 0x800 /* Set on target abort */ #define VBOX_PCI_STATUS_REC_TARGET_ABORT 0x1000 /* Master ack of " */ #define VBOX_PCI_STATUS_REC_MASTER_ABORT 0x2000 /* Set on master abort */ #define VBOX_PCI_STATUS_SIG_SYSTEM_ERROR 0x4000 /* Set when we drive SERR */ #define VBOX_PCI_STATUS_DETECTED_PARITY 0x8000 /* Set on parity error */ /* Command bitmask */ #define VBOX_PCI_COMMAND_IO 0x1 /* Enable response in I/O space */ #define VBOX_PCI_COMMAND_MEMORY 0x2 /* Enable response in Memory space */ #define VBOX_PCI_COMMAND_MASTER 0x4 /* Enable bus mastering */ #define VBOX_PCI_COMMAND_SPECIAL 0x8 /* Enable response to special cycles */ #define VBOX_PCI_COMMAND_INVALIDATE 0x10 /* Use memory write and invalidate */ #define VBOX_PCI_COMMAND_VGA_PALETTE 0x20 /* Enable palette snooping */ #define VBOX_PCI_COMMAND_PARITY 0x40 /* Enable parity checking */ #define VBOX_PCI_COMMAND_WAIT 0x80 /* Enable address/data stepping */ #define VBOX_PCI_COMMAND_SERR 0x100 /* Enable SERR */ #define VBOX_PCI_COMMAND_FAST_BACK 0x200 /* Enable back-to-back writes */ #define VBOX_PCI_COMMAND_INTX_DISABLE 0x400 /* INTx Emulation Disable */ /* Capability list values (capability offset 0) */ /* Next value pointer in offset 1, or 0 if none */ #define VBOX_PCI_CAP_ID_PM 0x01 /* Power Management */ #define VBOX_PCI_CAP_ID_AGP 0x02 /* Accelerated Graphics Port */ #define VBOX_PCI_CAP_ID_VPD 0x03 /* Vital Product Data */ #define VBOX_PCI_CAP_ID_SLOTID 0x04 /* Slot Identification */ #define VBOX_PCI_CAP_ID_MSI 0x05 /* Message Signalled Interrupts */ #define VBOX_PCI_CAP_ID_CHSWP 0x06 /* CompactPCI HotSwap */ #define VBOX_PCI_CAP_ID_PCIX 0x07 /* PCI-X */ #define VBOX_PCI_CAP_ID_HT 0x08 /* HyperTransport */ #define VBOX_PCI_CAP_ID_VNDR 0x09 /* Vendor specific */ #define VBOX_PCI_CAP_ID_DBG 0x0A /* Debug port */ #define VBOX_PCI_CAP_ID_CCRC 0x0B /* CompactPCI Central Resource Control */ #define VBOX_PCI_CAP_ID_SHPC 0x0C /* PCI Standard Hot-Plug Controller */ #define VBOX_PCI_CAP_ID_SSVID 0x0D /* Bridge subsystem vendor/device ID */ #define VBOX_PCI_CAP_ID_AGP3 0x0E /* AGP Target PCI-PCI bridge */ #define VBOX_PCI_CAP_ID_SECURE 0x0F /* Secure device (?) */ #define VBOX_PCI_CAP_ID_EXP 0x10 /* PCI Express */ #define VBOX_PCI_CAP_ID_MSIX 0x11 /* MSI-X */ #define VBOX_PCI_CAP_ID_SATA 0x12 /* Serial-ATA HBA */ #define VBOX_PCI_CAP_ID_AF 0x13 /* PCI Advanced Features */ /* Extended Capabilities (PCI-X 2.0 and Express), start at 0x100, next - bits [20..32] */ #define VBOX_PCI_EXT_CAP_ID_ERR 0x01 /* Advanced Error Reporting */ #define VBOX_PCI_EXT_CAP_ID_VC 0x02 /* Virtual Channel */ #define VBOX_PCI_EXT_CAP_ID_DSN 0x03 /* Device Serial Number */ #define VBOX_PCI_EXT_CAP_ID_PWR 0x04 /* Power Budgeting */ #define VBOX_PCI_EXT_CAP_ID_RCLINK 0x05 /* Root Complex Link Declaration */ #define VBOX_PCI_EXT_CAP_ID_RCILINK 0x06 /* Root Complex Internal Link Declaration */ #define VBOX_PCI_EXT_CAP_ID_RCECOLL 0x07 /* Root Complex Event Collector */ #define VBOX_PCI_EXT_CAP_ID_MFVC 0x08 /* Multi-Function Virtual Channel */ #define VBOX_PCI_EXT_CAP_ID_RBCB 0x0a /* Root Bridge Control Block */ #define VBOX_PCI_EXT_CAP_ID_VNDR 0x0b /* Vendor specific */ #define VBOX_PCI_EXT_CAP_ID_ACS 0x0d /* Access Controls */ #define VBOX_PCI_EXT_CAP_ID_ARI 0x0e #define VBOX_PCI_EXT_CAP_ID_ATS 0x0f #define VBOX_PCI_EXT_CAP_ID_SRIOV 0x10 /* MSI flags, aka Message Control (2 bytes, capability offset 2) */ #define VBOX_PCI_MSI_FLAGS_ENABLE 0x0001 /* MSI feature enabled */ #define VBOX_PCI_MSI_FLAGS_64BIT 0x0080 /* 64-bit addresses allowed */ #define VBOX_PCI_MSI_FLAGS_MASKBIT 0x0100 /* Per-vector masking support */ /* Encoding for 3-bit patterns for message queue (per chapter 6.8.1 of PCI spec), someone very similar to log_2(). 000 1 001 2 010 4 011 8 100 16 101 32 110 Reserved 111 Reserved */ #define VBOX_PCI_MSI_FLAGS_QSIZE 0x0070 /* Message queue size configured (i.e. vectors per device allocated) */ #define VBOX_PCI_MSI_FLAGS_QMASK 0x000e /* Maximum queue size available (i.e. vectors per device possible) */ /* MSI-X flags (2 bytes, capability offset 2) */ #define VBOX_PCI_MSIX_FLAGS_ENABLE 0x8000 /* MSI-X enable */ #define VBOX_PCI_MSIX_FLAGS_FUNCMASK 0x4000 /* Function mask */ /* Power management flags (2 bytes, capability offset 2) */ #define VBOX_PCI_PM_CAP_VER_MASK 0x0007 /* Version mask */ #define VBOX_PCI_PM_CAP_PME_CLOCK 0x0008 /* PME clock required */ #define VBOX_PCI_PM_CAP_RESERVED 0x0010 /* Reserved field */ #define VBOX_PCI_PM_CAP_DSI 0x0020 /* Device specific initialization */ #define VBOX_PCI_PM_CAP_AUX_POWER 0x01C0 /* Auxilliary power support mask */ #define VBOX_PCI_PM_CAP_D1 0x0200 /* D1 power state support */ #define VBOX_PCI_PM_CAP_D2 0x0400 /* D2 power state support */ #define VBOX_PCI_PM_CAP_PME 0x0800 /* PME pin supported */ #define VBOX_PCI_PM_CAP_PME_MASK 0xF800 /* PME Mask of all supported states */ #define VBOX_PCI_PM_CAP_PME_D0 0x0800 /* PME# from D0 */ #define VBOX_PCI_PM_CAP_PME_D1 0x1000 /* PME# from D1 */ #define VBOX_PCI_PM_CAP_PME_D2 0x2000 /* PME# from D2 */ #define VBOX_PCI_PM_CAP_PME_D3 0x4000 /* PME# from D3 (hot) */ #define VBOX_PCI_PM_CAP_PME_D3cold 0x8000 /* PME# from D3 (cold) */ /* Power management control flags (2 bytes, capability offset 4) */ #define VBOX_PCI_PM_CTRL_STATE_MASK 0x0003 /* Current power state (D0 to D3) */ #define VBOX_PCI_PM_CTRL_NO_SOFT_RESET 0x0008 /* No reset for D3hot->D0 */ #define VBOX_PCI_PM_CTRL_PME_ENABLE 0x0100 /* PME pin enable */ #define VBOX_PCI_PM_CTRL_DATA_SEL_MASK 0x1e00 /* Data select (??) */ #define VBOX_PCI_PM_CTRL_DATA_SCALE_MASK 0x6000 /* Data scale (??) */ #define VBOX_PCI_PM_CTRL_PME_STATUS 0x8000 /* PME pin status */ /* PCI-X config flags (2 bytes, capability offset 2) */ #define VBOX_PCI_X_CMD_DPERR_E 0x0001 /* Data Parity Error Recovery Enable */ #define VBOX_PCI_X_CMD_ERO 0x0002 /* Enable Relaxed Ordering */ #define VBOX_PCI_X_CMD_MAX_OUTSTANDING_SPLIT_TRANS 0x0070 #define VBOX_PCI_X_CMD_READ_512 0x0000 /* 512 byte maximum read byte count */ #define VBOX_PCI_X_CMD_READ_1K 0x0004 /* 1Kbyte maximum read byte count */ #define VBOX_PCI_X_CMD_READ_2K 0x0008 /* 2Kbyte maximum read byte count */ #define VBOX_PCI_X_CMD_READ_4K 0x000c /* 4Kbyte maximum read byte count */ #define VBOX_PCI_X_CMD_MAX_READ 0x000c /* Max Memory Read Byte Count */ /* PCI-X config flags (4 bytes, capability offset 4) */ #define VBOX_PCI_X_STATUS_DEVFN 0x000000ff /* A copy of devfn */ #define VBOX_PCI_X_STATUS_BUS 0x0000ff00 /* A copy of bus nr */ #define VBOX_PCI_X_STATUS_64BIT 0x00010000 /* 64-bit device */ #define VBOX_PCI_X_STATUS_133MHZ 0x00020000 /* 133 MHz capable */ #define VBOX_PCI_X_STATUS_SPL_DISC 0x00040000 /* Split Completion Discarded */ #define VBOX_PCI_X_STATUS_UNX_SPL 0x00080000 /* Unexpected Split Completion */ #define VBOX_PCI_X_STATUS_COMPLEX 0x00100000 /* Device Complexity, 0 = simple device, 1 = bridge device */ #define VBOX_PCI_X_STATUS_MAX_READ 0x00600000 /* Designed Max Memory Read Count, 0 = 512 bytes, 1 = 1024, 2 = 2048, 3 = 4096 */ #define VBOX_PCI_X_STATUS_MAX_SPLIT 0x03800000 /* Designed Max Outstanding Split Transactions */ #define VBOX_PCI_X_STATUS_MAX_CUM 0x1c000000 /* Designed Max Cumulative Read Size */ #define VBOX_PCI_X_STATUS_SPL_ERR 0x20000000 /* Rcvd Split Completion Error Msg */ #define VBOX_PCI_X_STATUS_266MHZ 0x40000000 /* 266 MHz capable */ #define VBOX_PCI_X_STATUS_533MHZ 0x80000000 /* 533 MHz capable */ /* PCI Express config flags (2 bytes, capability offset 2) */ #define VBOX_PCI_EXP_FLAGS_VERS 0x000f /* Capability version */ #define VBOX_PCI_EXP_FLAGS_TYPE 0x00f0 /* Device/Port type */ #define VBOX_PCI_EXP_TYPE_ENDPOINT 0x0 /* Express Endpoint */ #define VBOX_PCI_EXP_TYPE_LEG_END 0x1 /* Legacy Endpoint */ #define VBOX_PCI_EXP_TYPE_ROOT_PORT 0x4 /* Root Port */ #define VBOX_PCI_EXP_TYPE_UPSTREAM 0x5 /* Upstream Port */ #define VBOX_PCI_EXP_TYPE_DOWNSTREAM 0x6 /* Downstream Port */ #define VBOX_PCI_EXP_TYPE_PCI_BRIDGE 0x7 /* PCI/PCI-X Bridge */ #define VBOX_PCI_EXP_TYPE_PCIE_BRIDGE 0x8 /* PCI/PCI-X to PCIE Bridge */ #define VBOX_PCI_EXP_TYPE_ROOT_INT_EP 0x9 /* Root Complex Integrated Endpoint */ #define VBOX_PCI_EXP_TYPE_ROOT_EC 0xa /* Root Complex Event Collector */ #define VBOX_PCI_EXP_FLAGS_SLOT 0x0100 /* Slot implemented */ #define VBOX_PCI_EXP_FLAGS_IRQ 0x3e00 /* Interrupt message number */ /* PCI Express device capabilities (4 bytes, capability offset 4) */ #define VBOX_PCI_EXP_DEVCAP_PAYLOAD 0x07 /* Max_Payload_Size */ #define VBOX_PCI_EXP_DEVCAP_PHANTOM 0x18 /* Phantom functions */ #define VBOX_PCI_EXP_DEVCAP_EXT_TAG 0x20 /* Extended tags */ #define VBOX_PCI_EXP_DEVCAP_L0S 0x1c0 /* L0s Acceptable Latency */ #define VBOX_PCI_EXP_DEVCAP_L1 0xe00 /* L1 Acceptable Latency */ #define VBOX_PCI_EXP_DEVCAP_ATN_BUT 0x1000 /* Attention Button Present */ #define VBOX_PCI_EXP_DEVCAP_ATN_IND 0x2000 /* Attention Indicator Present */ #define VBOX_PCI_EXP_DEVCAP_PWR_IND 0x4000 /* Power Indicator Present */ #define VBOX_PCI_EXP_DEVCAP_RBE 0x8000 /* Role-Based Error Reporting */ #define VBOX_PCI_EXP_DEVCAP_PWR_VAL 0x3fc0000 /* Slot Power Limit Value */ #define VBOX_PCI_EXP_DEVCAP_PWR_SCL 0xc000000 /* Slot Power Limit Scale */ #define VBOX_PCI_EXP_DEVCAP_FLRESET 0x10000000 /* Function-Level Reset */ /* PCI Express device control (2 bytes, capability offset 8) */ #define VBOX_PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */ #define VBOX_PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */ #define VBOX_PCI_EXP_DEVCTL_FERE 0x0004 /* Fatal Error Reporting Enable */ #define VBOX_PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */ #define VBOX_PCI_EXP_DEVCTL_RELAXED 0x0010 /* Enable Relaxed Ordering */ #define VBOX_PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */ #define VBOX_PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */ #define VBOX_PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */ #define VBOX_PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */ #define VBOX_PCI_EXP_DEVCTL_NOSNOOP 0x0800 /* Enable No Snoop */ #define VBOX_PCI_EXP_DEVCTL_READRQ 0x7000 /* Max_Read_Request_Size */ #define VBOX_PCI_EXP_DEVCTL_BCRE 0x8000 /* Bridge Configuration Retry Enable */ #define VBOX_PCI_EXP_DEVCTL_FLRESET 0x8000 /* Function-Level Reset [bit shared with BCRE] */ /* PCI Express device status (2 bytes, capability offset 10) */ #define VBOX_PCI_EXP_DEVSTA_CED 0x01 /* Correctable Error Detected */ #define VBOX_PCI_EXP_DEVSTA_NFED 0x02 /* Non-Fatal Error Detected */ #define VBOX_PCI_EXP_DEVSTA_FED 0x04 /* Fatal Error Detected */ #define VBOX_PCI_EXP_DEVSTA_URD 0x08 /* Unsupported Request Detected */ #define VBOX_PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */ #define VBOX_PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */ /* PCI Express link capabilities (4 bytes, capability offset 12) */ #define VBOX_PCI_EXP_LNKCAP_SPEED 0x0000f /* Maximum Link Speed */ #define VBOX_PCI_EXP_LNKCAP_WIDTH 0x003f0 /* Maximum Link Width */ #define VBOX_PCI_EXP_LNKCAP_ASPM 0x00c00 /* Active State Power Management */ #define VBOX_PCI_EXP_LNKCAP_L0S 0x07000 /* L0s Acceptable Latency */ #define VBOX_PCI_EXP_LNKCAP_L1 0x38000 /* L1 Acceptable Latency */ #define VBOX_PCI_EXP_LNKCAP_CLOCKPM 0x40000 /* Clock Power Management */ #define VBOX_PCI_EXP_LNKCAP_SURPRISE 0x80000 /* Surprise Down Error Reporting */ #define VBOX_PCI_EXP_LNKCAP_DLLA 0x100000 /* Data Link Layer Active Reporting */ #define VBOX_PCI_EXP_LNKCAP_LBNC 0x200000 /* Link Bandwidth Notification Capability */ #define VBOX_PCI_EXP_LNKCAP_PORT 0xff000000 /* Port Number */ /* PCI Express link control (2 bytes, capability offset 16) */ #define VBOX_PCI_EXP_LNKCTL_ASPM 0x0003 /* ASPM Control */ #define VBOX_PCI_EXP_LNKCTL_RCB 0x0008 /* Read Completion Boundary */ #define VBOX_PCI_EXP_LNKCTL_DISABLE 0x0010 /* Link Disable */ #define VBOX_PCI_EXP_LNKCTL_RETRAIN 0x0020 /* Retrain Link */ #define VBOX_PCI_EXP_LNKCTL_CLOCK 0x0040 /* Common Clock Configuration */ #define VBOX_PCI_EXP_LNKCTL_XSYNCH 0x0080 /* Extended Synch */ #define VBOX_PCI_EXP_LNKCTL_CLOCKPM 0x0100 /* Clock Power Management */ #define VBOX_PCI_EXP_LNKCTL_HWAUTWD 0x0200 /* Hardware Autonomous Width Disable */ #define VBOX_PCI_EXP_LNKCTL_BWMIE 0x0400 /* Bandwidth Mgmt Interrupt Enable */ #define VBOX_PCI_EXP_LNKCTL_AUTBWIE 0x0800 /* Autonomous Bandwidth Mgmt Interrupt Enable */ /* PCI Express link status (2 bytes, capability offset 18) */ #define VBOX_PCI_EXP_LNKSTA_SPEED 0x000f /* Negotiated Link Speed */ #define VBOX_PCI_EXP_LNKSTA_WIDTH 0x03f0 /* Negotiated Link Width */ #define VBOX_PCI_EXP_LNKSTA_TR_ERR 0x0400 /* Training Error (obsolete) */ #define VBOX_PCI_EXP_LNKSTA_TRAIN 0x0800 /* Link Training */ #define VBOX_PCI_EXP_LNKSTA_SL_CLK 0x1000 /* Slot Clock Configuration */ #define VBOX_PCI_EXP_LNKSTA_DL_ACT 0x2000 /* Data Link Layer in DL_Active State */ #define VBOX_PCI_EXP_LNKSTA_BWMGMT 0x4000 /* Bandwidth Mgmt Status */ #define VBOX_PCI_EXP_LNKSTA_AUTBW 0x8000 /* Autonomous Bandwidth Mgmt Status */ /* PCI Express slot capabilities (4 bytes, capability offset 20) */ #define VBOX_PCI_EXP_SLTCAP_ATNB 0x0001 /* Attention Button Present */ #define VBOX_PCI_EXP_SLTCAP_PWRC 0x0002 /* Power Controller Present */ #define VBOX_PCI_EXP_SLTCAP_MRL 0x0004 /* MRL Sensor Present */ #define VBOX_PCI_EXP_SLTCAP_ATNI 0x0008 /* Attention Indicator Present */ #define VBOX_PCI_EXP_SLTCAP_PWRI 0x0010 /* Power Indicator Present */ #define VBOX_PCI_EXP_SLTCAP_HPS 0x0020 /* Hot-Plug Surprise */ #define VBOX_PCI_EXP_SLTCAP_HPC 0x0040 /* Hot-Plug Capable */ #define VBOX_PCI_EXP_SLTCAP_PWR_VAL 0x00007f80 /* Slot Power Limit Value */ #define VBOX_PCI_EXP_SLTCAP_PWR_SCL 0x00018000 /* Slot Power Limit Scale */ #define VBOX_PCI_EXP_SLTCAP_INTERLOCK 0x020000 /* Electromechanical Interlock Present */ #define VBOX_PCI_EXP_SLTCAP_NOCMDCOMP 0x040000 /* No Command Completed Support */ #define VBOX_PCI_EXP_SLTCAP_PSN 0xfff80000 /* Physical Slot Number */ /* PCI Express slot control (2 bytes, capability offset 24) */ #define VBOX_PCI_EXP_SLTCTL_ATNB 0x0001 /* Attention Button Pressed Enable */ #define VBOX_PCI_EXP_SLTCTL_PWRF 0x0002 /* Power Fault Detected Enable */ #define VBOX_PCI_EXP_SLTCTL_MRLS 0x0004 /* MRL Sensor Changed Enable */ #define VBOX_PCI_EXP_SLTCTL_PRSD 0x0008 /* Presence Detect Changed Enable */ #define VBOX_PCI_EXP_SLTCTL_CMDC 0x0010 /* Command Completed Interrupt Enable */ #define VBOX_PCI_EXP_SLTCTL_HPIE 0x0020 /* Hot-Plug Interrupt Enable */ #define VBOX_PCI_EXP_SLTCTL_ATNI 0x00c0 /* Attention Indicator Control */ #define VBOX_PCI_EXP_SLTCTL_PWRI 0x0300 /* Power Indicator Control */ #define VBOX_PCI_EXP_SLTCTL_PWRC 0x0400 /* Power Controller Control */ #define VBOX_PCI_EXP_SLTCTL_INTERLOCK 0x0800 /* Electromechanical Interlock Control */ #define VBOX_PCI_EXP_SLTCTL_LLCHG 0x1000 /* Data Link Layer State Changed Enable */ /* PCI Express slot status (2 bytes, capability offset 26) */ #define VBOX_PCI_EXP_SLTSTA_ATNB 0x0001 /* Attention Button Pressed */ #define VBOX_PCI_EXP_SLTSTA_PWRF 0x0002 /* Power Fault Detected */ #define VBOX_PCI_EXP_SLTSTA_MRLS 0x0004 /* MRL Sensor Changed */ #define VBOX_PCI_EXP_SLTSTA_PRSD 0x0008 /* Presence Detect Changed */ #define VBOX_PCI_EXP_SLTSTA_CMDC 0x0010 /* Command Completed */ #define VBOX_PCI_EXP_SLTSTA_MRL_ST 0x0020 /* MRL Sensor State */ #define VBOX_PCI_EXP_SLTSTA_PRES 0x0040 /* Presence Detect State */ #define VBOX_PCI_EXP_SLTSTA_INTERLOCK 0x0080 /* Electromechanical Interlock Status */ #define VBOX_PCI_EXP_SLTSTA_LLCHG 0x0100 /* Data Link Layer State Changed */ /* PCI Express root control (2 bytes, capability offset 28) */ #define VBOX_PCI_EXP_RTCTL_SECEE 0x0001 /* System Error on Correctable Error */ #define VBOX_PCI_EXP_RTCTL_SENFEE 0x0002 /* System Error on Non-Fatal Error */ #define VBOX_PCI_EXP_RTCTL_SEFEE 0x0004 /* System Error on Fatal Error */ #define VBOX_PCI_EXP_RTCTL_PMEIE 0x0008 /* PME Interrupt Enable */ #define VBOX_PCI_EXP_RTCTL_CRSVIS 0x0010 /* Configuration Request Retry Status Visible to SW */ /* PCI Express root capabilities (2 bytes, capability offset 30) */ #define VBOX_PCI_EXP_RTCAP_CRSVIS 0x0010 /* Configuration Request Retry Status Visible to SW */ /* PCI Express root status (4 bytes, capability offset 32) */ #define VBOX_PCI_EXP_RTSTA_PME_REQID 0x0000ffff /* PME Requester ID */ #define VBOX_PCI_EXP_RTSTA_PME_STATUS 0x00010000 /* PME Status */ #define VBOX_PCI_EXP_RTSTA_PME_PENDING 0x00020000 /* PME is Pending */ /** Fixed I/O region number for ROM. */ #define VBOX_PCI_ROM_SLOT 6 /** Max number of I/O regions. */ #define VBOX_PCI_NUM_REGIONS 7 #define PCI_ROM_SLOT VBOX_PCI_ROM_SLOT /**< deprecated */ #define PCI_NUM_REGIONS VBOX_PCI_NUM_REGIONS /**< deprecated */ /** Number of functions per device. */ #define VBOX_PCI_MAX_FUNCTIONS 8 /** Number of devices per bus. */ #define VBOX_PCI_MAX_DEVICES 32 /** The function number mask for a device+function number. */ #define VBOX_PCI_DEVFN_FUN_MASK 0x7 /** The device number shift count for a device+function number. */ #define VBOX_PCI_DEVFN_DEV_SHIFT 3 /** The device number mask for a device+function number. */ #define VBOX_PCI_DEVFN_DEV_MASK 0x1f /** The bus number shift count for a bus+device+function number. */ #define VBOX_PCI_BUS_SHIFT 0x8 /** The bus number mask a bus+device+function number. */ #define VBOX_PCI_BUS_MASK 0xff /** Make a device+function number. */ #define VBOX_PCI_DEVFN_MAKE(a_uPciDevNo, a_uPciFunNo) ( ((a_uPciDevNo) << VBOX_PCI_DEVFN_DEV_SHIFT) \ | ((a_uPciFunNo) & VBOX_PCI_DEVFN_FUN_MASK)) /** Checks whether the PCIBDF is valid. */ #define PCIBDF_IS_VALID(a_uBusDevFn) (!((a_uBusDevFn) & PCI_BDF_F_INVALID)) /** Make a PCIBDF given the bus and device:function. */ #define PCIBDF_MAKE(a_uBus, a_uDevFn) (((a_uBus) << VBOX_PCI_BUS_SHIFT) | (a_uDevFn)) /** Southbridge I/O APIC (when IOMMU is enabled): Bus. */ #define VBOX_PCI_BUS_SB_IOAPIC 0 /** Southbridge I/O APIC (when IOMMU is enabled): Device. */ #define VBOX_PCI_DEV_SB_IOAPIC 0x14 /** Southbridge I/O APIC (when IOMMU is enabled): Function. */ #define VBOX_PCI_FN_SB_IOAPIC 0 /** PCI BDF (hardcoded by linux guests) reserved for the SB I/O APIC when using VMs * with an AMD IOMMU. */ #define VBOX_PCI_BDF_SB_IOAPIC PCIBDF_MAKE(VBOX_PCI_BUS_SB_IOAPIC, \ VBOX_PCI_DEVFN_MAKE(VBOX_PCI_DEV_SB_IOAPIC, VBOX_PCI_FN_SB_IOAPIC)) /** * A PCI PASID (Process Address Space ID). * * A PASID is 20 bits wide. We use bit 31 to indicate the PASID is invalid or not * present. */ typedef uint32_t PCIPASID; /** PCIPASID: Valid. */ #define PCIPASID_F_VALID RT_BIT(31) /** Nil PCIPASID value. */ #define NIL_PCIPASID UINT32_C(0) /** Returns whether the PCI PASID is valid. */ #define PCIPASID_IS_VALID(a) (((a) & PCIPASID_F_VALID) != 0) /** Returns the PASID value of a PCI PASID. */ #define PCIPASID_VAL(a) ((a) & UINT32_C(0xfffff)) #if defined(__cplusplus) && defined(IN_RING3) /* For RTStrPrintf(). */ # include /** * Class representing PCI address. PCI device consist of * bus, device and function numbers. Generally device PCI * address could be changed during runtime, but only by * an OS PCI driver. * * @remarks C++ classes (structs included) are not generally accepted in * VMM devices or drivers. An exception may be granted for this class * if it's contained to ring-3 and that this is a one time exception * which sets no precedent. */ struct PCIBusAddress { /** @todo: think if we'll need domain, which is higher * word of the address. */ int miBus; int miDevice; int miFn; PCIBusAddress() { clear(); } PCIBusAddress(int iBus, int iDevice, int iFn) { init(iBus, iDevice, iFn); } PCIBusAddress(int32_t iAddr) { clear(); fromLong(iAddr); } PCIBusAddress& clear() { miBus = miDevice = miFn = -1; return *this; } void init(int iBus, int iDevice, int iFn) { miBus = iBus; miDevice = iDevice; miFn = iFn; } void init(const PCIBusAddress &a) { miBus = a.miBus; miDevice = a.miDevice; miFn = a.miFn; } bool operator<(const PCIBusAddress &a) const { if (miBus < a.miBus) return true; if (miBus > a.miBus) return false; if (miDevice < a.miDevice) return true; if (miDevice > a.miDevice) return false; if (miFn < a.miFn) return true; if (miFn > a.miFn) return false; return false; } bool operator==(const PCIBusAddress &a) const { return (miBus == a.miBus) && (miDevice == a.miDevice) && (miFn == a.miFn); } bool operator!=(const PCIBusAddress &a) const { return (miBus != a.miBus) || (miDevice != a.miDevice) || (miFn != a.miFn); } bool valid() const { return (miBus != -1) && (miDevice != -1) && (miFn != -1); } int32_t asLong() const { Assert(valid()); return (miBus << 8) | (miDevice << 3) | miFn; } PCIBusAddress& fromLong(int32_t value) { miBus = (value >> 8) & 0xff; miDevice = (value & 0xff) >> 3; miFn = (value & 7); return *this; } /** Create string representation of this PCI address. */ bool format(char* szBuf, size_t cBufSize) { if (cBufSize < (/* bus */ 2 + /* : */ 1 + /* device */ 2 + /* . */ 1 + /* function*/ 1 + /* \0 */1)) return false; if (valid()) RTStrPrintf(szBuf, cBufSize, "%02x:%02x.%01x", miBus, miDevice, miFn); else RTStrPrintf(szBuf, cBufSize, "%s", ""); return true; } static const size_t cMaxAddrSize = 10; }; #endif /* __cplusplus && IN_RING3 */ /** @} */ #endif /* !VBOX_INCLUDED_pci_h */