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+/** @file
+ * PCI - The PCI Controller And Devices. (DEV)
+ */
+
+/*
+ * Copyright (C) 2006-2020 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE 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.
+ */
+
+#ifndef VBOX_INCLUDED_vmm_pdmpcidev_h
+#define VBOX_INCLUDED_vmm_pdmpcidev_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/pci.h>
+#include <iprt/assert.h>
+
+
+/** @defgroup grp_pdm_pcidev PDM PCI Device
+ * @ingroup grp_pdm_device
+ * @{
+ */
+
+/**
+ * Callback function for intercept reading from the PCI configuration space.
+ *
+ * @returns VINF_SUCCESS or PDMDevHlpDBGFStop status (maybe others later).
+ * @retval VINF_PDM_PCI_DO_DEFAULT to do default read (same as calling
+ * PDMDevHlpPCIConfigRead()).
+ *
+ * @param pDevIns Pointer to the device instance the PCI device
+ * belongs to.
+ * @param pPciDev Pointer to PCI device. Use pPciDev->pDevIns to get the device instance.
+ * @param uAddress The configuration space register address. [0..4096]
+ * @param cb The register size. [1,2,4]
+ * @param pu32Value Where to return the register value.
+ *
+ * @remarks Called with the PDM lock held. The device lock is NOT take because
+ * that is very likely be a lock order violation.
+ */
+typedef DECLCALLBACK(VBOXSTRICTRC) FNPCICONFIGREAD(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev,
+ uint32_t uAddress, unsigned cb, uint32_t *pu32Value);
+/** Pointer to a FNPCICONFIGREAD() function. */
+typedef FNPCICONFIGREAD *PFNPCICONFIGREAD;
+/** Pointer to a PFNPCICONFIGREAD. */
+typedef PFNPCICONFIGREAD *PPFNPCICONFIGREAD;
+
+/**
+ * Callback function for writing to the PCI configuration space.
+ *
+ * @returns VINF_SUCCESS or PDMDevHlpDBGFStop status (maybe others later).
+ * @retval VINF_PDM_PCI_DO_DEFAULT to do default read (same as calling
+ * PDMDevHlpPCIConfigWrite()).
+ *
+ * @param pDevIns Pointer to the device instance the PCI device
+ * belongs to.
+ * @param pPciDev Pointer to PCI device. Use pPciDev->pDevIns to get the device instance.
+ * @param uAddress The configuration space register address. [0..4096]
+ * @param cb The register size. [1,2,4]
+ * @param u32Value The value that's being written. The number of bits actually used from
+ * this value is determined by the cb parameter.
+ *
+ * @remarks Called with the PDM lock held. The device lock is NOT take because
+ * that is very likely be a lock order violation.
+ */
+typedef DECLCALLBACK(VBOXSTRICTRC) FNPCICONFIGWRITE(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev,
+ uint32_t uAddress, unsigned cb, uint32_t u32Value);
+/** Pointer to a FNPCICONFIGWRITE() function. */
+typedef FNPCICONFIGWRITE *PFNPCICONFIGWRITE;
+/** Pointer to a PFNPCICONFIGWRITE. */
+typedef PFNPCICONFIGWRITE *PPFNPCICONFIGWRITE;
+
+/**
+ * Callback function for mapping an PCI I/O region.
+ *
+ * This is called when a PCI I/O region is mapped, and for new-style devices
+ * also when unmapped (address set to NIL_RTGCPHYS). For new-style devices,
+ * this callback is optional as the PCI bus calls IOM to map and unmap the
+ * regions.
+ *
+ * Old style devices have to call IOM to map the region themselves, while
+ * unmapping is done by the PCI bus like with the new style devices.
+ *
+ * @returns VBox status code.
+ * @retval VINF_PCI_MAPPING_DONE if the caller already did the mapping and the
+ * PCI bus should not use the handle it got to do the registration
+ * again. (Only allowed when @a GCPhysAddress is not NIL_RTGCPHYS.)
+ *
+ * @param pDevIns Pointer to the device instance the PCI device
+ * belongs to.
+ * @param pPciDev Pointer to the PCI device.
+ * @param iRegion The region number.
+ * @param GCPhysAddress Physical address of the region. If @a enmType is
+ * PCI_ADDRESS_SPACE_IO, this is an I/O port, otherwise
+ * it's a physical address.
+ *
+ * NIL_RTGCPHYS indicates that a mapping is about to be
+ * unmapped and that the device deregister access
+ * handlers for it and update its internal state to
+ * reflect this.
+ *
+ * @param cb Size of the region in bytes.
+ * @param enmType One of the PCI_ADDRESS_SPACE_* values.
+ *
+ * @remarks Called with the PDM lock held. The device lock is NOT take because
+ * that is very likely be a lock order violation.
+ */
+typedef DECLCALLBACK(int) FNPCIIOREGIONMAP(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, uint32_t iRegion,
+ RTGCPHYS GCPhysAddress, RTGCPHYS cb, PCIADDRESSSPACE enmType);
+/** Pointer to a FNPCIIOREGIONMAP() function. */
+typedef FNPCIIOREGIONMAP *PFNPCIIOREGIONMAP;
+
+
+/**
+ * Sets the size and type for old saved states from within a
+ * PDMPCIDEV::pfnRegionLoadChangeHookR3 callback.
+ *
+ * @returns VBox status code.
+ * @param pPciDev Pointer to the PCI device.
+ * @param iRegion The region number.
+ * @param cbRegion The region size.
+ * @param enmType Combination of the PCI_ADDRESS_SPACE_* values.
+ */
+typedef DECLCALLBACK(int) FNPCIIOREGIONOLDSETTER(PPDMPCIDEV pPciDev, uint32_t iRegion, RTGCPHYS cbRegion, PCIADDRESSSPACE enmType);
+/** Pointer to a FNPCIIOREGIONOLDSETTER() function. */
+typedef FNPCIIOREGIONOLDSETTER *PFNPCIIOREGIONOLDSETTER;
+
+/**
+ * Swaps two PCI I/O regions from within a PDMPCIDEV::pfnRegionLoadChangeHookR3
+ * callback.
+ *
+ * @returns VBox status code.
+ * @param pPciDev Pointer to the PCI device.
+ * @param iRegion The region number.
+ * @param iOtherRegion The number of the region swap with.
+ * @sa @bugref{9359}
+ */
+typedef DECLCALLBACK(int) FNPCIIOREGIONSWAP(PPDMPCIDEV pPciDev, uint32_t iRegion, uint32_t iOtherRegion);
+/** Pointer to a FNPCIIOREGIONSWAP() function. */
+typedef FNPCIIOREGIONSWAP *PFNPCIIOREGIONSWAP;
+
+
+/*
+ * Hack to include the PDMPCIDEVINT structure at the right place
+ * to avoid duplications of FNPCIIOREGIONMAP and such.
+ */
+#ifdef PDMPCIDEV_INCLUDE_PRIVATE
+# include "pdmpcidevint.h"
+#endif
+
+/**
+ * PDM PCI Device structure.
+ *
+ * A PCI device belongs to a PDM device. A PDM device may have zero or more PCI
+ * devices associated with it. The first PCI device that it registers
+ * automatically becomes the default PCI device and can be used implicitly
+ * with the device helper APIs. Subsequent PCI devices must be specified
+ * explicitly to the device helper APIs when used.
+ */
+typedef struct PDMPCIDEV
+{
+ /** @name Read only data.
+ * @{
+ */
+ /** Magic number (PDMPCIDEV_MAGIC). */
+ uint32_t u32Magic;
+ /** PCI device number [11:3] and function [2:0] on the pci bus.
+ * @sa VBOX_PCI_DEVFN_MAKE, VBOX_PCI_DEVFN_FUN_MASK, VBOX_PCI_DEVFN_DEV_SHIFT */
+ uint32_t uDevFn;
+ /** Size of the valid config space (we always allocate 4KB). */
+ uint16_t cbConfig;
+ /** Size of the MSI-X state data optionally following the config space. */
+ uint16_t cbMsixState;
+ /** Index into the PDMDEVINS::apPciDev array. */
+ uint16_t idxSubDev;
+ uint16_t u16Padding;
+ /** Device name. */
+ R3PTRTYPE(const char *) pszNameR3;
+ /** @} */
+
+ /**
+ * Callback for dealing with size changes.
+ *
+ * This is set by the PCI device when needed. It is only needed if any changes
+ * in the PCI resources have been made that may be incompatible with saved state
+ * (i.e. does not reflect configuration, but configuration defaults changed).
+ *
+ * The implementation can use PDMDevHlpMMIOExReduce to adjust the resource
+ * allocation down in size. There is currently no way of growing resources.
+ * Dropping a resource is automatic.
+ *
+ * @returns VBox status code.
+ * @param pDevIns Pointer to the device instance the PCI device
+ * belongs to.
+ * @param pPciDev Pointer to the PCI device.
+ * @param iRegion The region number or UINT32_MAX if old saved state call.
+ * @param cbRegion The size being loaded, RTGCPHYS_MAX if old saved state
+ * call, or 0 for dummy 64-bit top half region.
+ * @param enmType The type being loaded, -1 if old saved state call, or
+ * 0xff if dummy 64-bit top half region.
+ * @param pfnOldSetter Callback for setting size and type for call
+ * regarding old saved states. NULL otherwise.
+ * @param pfnSwapRegions Used to swaps two regions. The second one must be a
+ * higher number than @a iRegion. NULL if old saved
+ * state.
+ */
+ DECLR3CALLBACKMEMBER(int, pfnRegionLoadChangeHookR3,(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, uint32_t iRegion,
+ uint64_t cbRegion, PCIADDRESSSPACE enmType,
+ PFNPCIIOREGIONOLDSETTER pfnOldSetter,
+ PFNPCIIOREGIONSWAP pfnSwapRegion));
+
+ /** Reserved for future stuff. */
+ uint64_t au64Reserved[4 + (R3_ARCH_BITS == 32 ? 1 : 0)];
+
+ /** Internal data. */
+ union
+ {
+#ifdef PDMPCIDEVINT_DECLARED
+ PDMPCIDEVINT s;
+#endif
+ uint8_t padding[0x180];
+ } Int;
+
+ /** PCI config space.
+ * This is either 256 or 4096 in size. In the latter case it may be
+ * followed by a MSI-X state area. */
+ uint8_t abConfig[4096];
+ /** The MSI-X state data. Optional. */
+ RT_FLEXIBLE_ARRAY_EXTENSION
+ uint8_t abMsixState[RT_FLEXIBLE_ARRAY];
+} PDMPCIDEV;
+#ifdef PDMPCIDEVINT_DECLARED
+AssertCompile(RT_SIZEOFMEMB(PDMPCIDEV, Int.s) <= RT_SIZEOFMEMB(PDMPCIDEV, Int.padding));
+#endif
+/** Magic number of PDMPCIDEV::u32Magic (Margaret Eleanor Atwood). */
+#define PDMPCIDEV_MAGIC UINT32_C(0x19391118)
+
+/** Checks that the PCI device structure is valid and belongs to the device
+ * instance, but does not return. */
+#ifdef VBOX_STRICT
+# define PDMPCIDEV_ASSERT_VALID(a_pDevIns, a_pPciDev) \
+ do { \
+ uintptr_t const offPciDevInTable = (uintptr_t)(a_pPciDev) - (uintptr_t)pDevIns->apPciDevs[0]; \
+ uint32_t const cbPciDevTmp = pDevIns->cbPciDev; \
+ ASMCompilerBarrier(); \
+ AssertMsg( offPciDevInTable < pDevIns->cPciDevs * cbPciDevTmp \
+ && cbPciDevTmp >= RT_UOFFSETOF(PDMPCIDEV, abConfig) + 256 \
+ && offPciDevInTable % cbPciDevTmp == 0, \
+ ("pPciDev=%p apPciDevs[0]=%p offPciDevInTable=%p cPciDevs=%#x cbPciDev=%#x\n", \
+ (a_pPciDev), pDevIns->apPciDevs[0], offPciDevInTable, pDevIns->cPciDevs, cbPciDevTmp)); \
+ AssertPtr((a_pPciDev)); \
+ AssertMsg((a_pPciDev)->u32Magic == PDMPCIDEV_MAGIC, ("%#x\n", (a_pPciDev)->u32Magic)); \
+ } while (0)
+#else
+# define PDMPCIDEV_ASSERT_VALID(a_pDevIns, a_pPciDev) do { } while (0)
+#endif
+
+/** Checks that the PCI device structure is valid, belongs to the device
+ * instance and that it is registered, but does not return. */
+#ifdef VBOX_STRICT
+# define PDMPCIDEV_ASSERT_VALID_AND_REGISTERED(a_pDevIns, a_pPciDev) \
+ do { \
+ PDMPCIDEV_ASSERT_VALID(a_pDevIns, a_pPciDev); \
+ Assert((a_pPciDev)->Int.s.fRegistered); \
+ } while (0)
+#else
+# define PDMPCIDEV_ASSERT_VALID_AND_REGISTERED(a_pDevIns, a_pPciDev) do { } while (0)
+#endif
+
+/** Checks that the PCI device structure is valid and belongs to the device
+ * instance, returns appropriate status code if not valid. */
+#define PDMPCIDEV_ASSERT_VALID_RET(a_pDevIns, a_pPciDev) \
+ do { \
+ uintptr_t const offPciDevInTable = (uintptr_t)(a_pPciDev) - (uintptr_t)pDevIns->apPciDevs[0]; \
+ uint32_t const cbPciDevTmp = pDevIns->cbPciDev; \
+ ASMCompilerBarrier(); \
+ AssertMsgReturn( offPciDevInTable < pDevIns->cPciDevs * cbPciDevTmp \
+ && cbPciDevTmp >= RT_UOFFSETOF(PDMPCIDEV, abConfig) + 256 \
+ && offPciDevInTable % cbPciDevTmp == 0, \
+ ("pPciDev=%p apPciDevs[0]=%p offPciDevInTable=%p cPciDevs=%#x cbPciDev=%#x\n", \
+ (a_pPciDev), pDevIns->apPciDevs[0], offPciDevInTable, pDevIns->cPciDevs, cbPciDevTmp), \
+ VERR_PDM_NOT_PCI_DEVICE); \
+ AssertMsgReturn((a_pPciDev)->u32Magic == PDMPCIDEV_MAGIC, ("%#x\n", (a_pPciDev)->u32Magic), VERR_PDM_NOT_PCI_DEVICE); \
+ AssertReturn((a_pPciDev)->Int.s.fRegistered, VERR_PDM_NOT_PCI_DEVICE); \
+ } while (0)
+
+
+
+/** @name PDM PCI config space accessor function.
+ * @{
+ */
+
+/** @todo handle extended space access. */
+
+DECLINLINE(void) PDMPciDevSetByte(PPDMPCIDEV pPciDev, uint32_t offReg, uint8_t u8Value)
+{
+ Assert(offReg < sizeof(pPciDev->abConfig));
+ pPciDev->abConfig[offReg] = u8Value;
+}
+
+DECLINLINE(uint8_t) PDMPciDevGetByte(PCPDMPCIDEV pPciDev, uint32_t offReg)
+{
+ Assert(offReg < sizeof(pPciDev->abConfig));
+ return pPciDev->abConfig[offReg];
+}
+
+DECLINLINE(void) PDMPciDevSetWord(PPDMPCIDEV pPciDev, uint32_t offReg, uint16_t u16Value)
+{
+ Assert(offReg <= sizeof(pPciDev->abConfig) - sizeof(uint16_t));
+ *(uint16_t*)&pPciDev->abConfig[offReg] = RT_H2LE_U16(u16Value);
+}
+
+DECLINLINE(uint16_t) PDMPciDevGetWord(PCPDMPCIDEV pPciDev, uint32_t offReg)
+{
+ uint16_t u16Value;
+ Assert(offReg <= sizeof(pPciDev->abConfig) - sizeof(uint16_t));
+ u16Value = *(uint16_t*)&pPciDev->abConfig[offReg];
+ return RT_H2LE_U16(u16Value);
+}
+
+DECLINLINE(void) PDMPciDevSetDWord(PPDMPCIDEV pPciDev, uint32_t offReg, uint32_t u32Value)
+{
+ Assert(offReg <= sizeof(pPciDev->abConfig) - sizeof(uint32_t));
+ *(uint32_t*)&pPciDev->abConfig[offReg] = RT_H2LE_U32(u32Value);
+}
+
+DECLINLINE(uint32_t) PDMPciDevGetDWord(PCPDMPCIDEV pPciDev, uint32_t offReg)
+{
+ uint32_t u32Value;
+ Assert(offReg <= sizeof(pPciDev->abConfig) - sizeof(uint32_t));
+ u32Value = *(uint32_t*)&pPciDev->abConfig[offReg];
+ return RT_H2LE_U32(u32Value);
+}
+
+DECLINLINE(void) PDMPciDevSetQWord(PPDMPCIDEV pPciDev, uint32_t offReg, uint64_t u64Value)
+{
+ Assert(offReg <= sizeof(pPciDev->abConfig) - sizeof(uint64_t));
+ *(uint64_t*)&pPciDev->abConfig[offReg] = RT_H2LE_U64(u64Value);
+}
+
+DECLINLINE(uint64_t) PDMPciDevGetQWord(PCPDMPCIDEV pPciDev, uint32_t offReg)
+{
+ uint64_t u64Value;
+ Assert(offReg <= sizeof(pPciDev->abConfig) - sizeof(uint64_t));
+ u64Value = *(uint64_t*)&pPciDev->abConfig[offReg];
+ return RT_H2LE_U64(u64Value);
+}
+
+/**
+ * Sets the vendor id config register.
+ * @param pPciDev The PCI device.
+ * @param u16VendorId The vendor id.
+ */
+DECLINLINE(void) PDMPciDevSetVendorId(PPDMPCIDEV pPciDev, uint16_t u16VendorId)
+{
+ PDMPciDevSetWord(pPciDev, VBOX_PCI_VENDOR_ID, u16VendorId);
+}
+
+/**
+ * Gets the vendor id config register.
+ * @returns the vendor id.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint16_t) PDMPciDevGetVendorId(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetWord(pPciDev, VBOX_PCI_VENDOR_ID);
+}
+
+
+/**
+ * Sets the device id config register.
+ * @param pPciDev The PCI device.
+ * @param u16DeviceId The device id.
+ */
+DECLINLINE(void) PDMPciDevSetDeviceId(PPDMPCIDEV pPciDev, uint16_t u16DeviceId)
+{
+ PDMPciDevSetWord(pPciDev, VBOX_PCI_DEVICE_ID, u16DeviceId);
+}
+
+/**
+ * Gets the device id config register.
+ * @returns the device id.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint16_t) PDMPciDevGetDeviceId(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetWord(pPciDev, VBOX_PCI_DEVICE_ID);
+}
+
+/**
+ * Sets the command config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u16Command The command register value.
+ */
+DECLINLINE(void) PDMPciDevSetCommand(PPDMPCIDEV pPciDev, uint16_t u16Command)
+{
+ PDMPciDevSetWord(pPciDev, VBOX_PCI_COMMAND, u16Command);
+}
+
+
+/**
+ * Gets the command config register.
+ * @returns The command register value.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint16_t) PDMPciDevGetCommand(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetWord(pPciDev, VBOX_PCI_COMMAND);
+}
+
+/**
+ * Checks if the given PCI device is a bus master.
+ * @returns true if the device is a bus master, false if not.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(bool) PDMPciDevIsBusmaster(PCPDMPCIDEV pPciDev)
+{
+ return (PDMPciDevGetCommand(pPciDev) & VBOX_PCI_COMMAND_MASTER) != 0;
+}
+
+/**
+ * Checks if INTx interrupts disabled in the command config register.
+ * @returns true if disabled.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(bool) PDMPciDevIsIntxDisabled(PCPDMPCIDEV pPciDev)
+{
+ return (PDMPciDevGetCommand(pPciDev) & VBOX_PCI_COMMAND_INTX_DISABLE) != 0;
+}
+
+/**
+ * Gets the status config register.
+ *
+ * @returns status config register.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint16_t) PDMPciDevGetStatus(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetWord(pPciDev, VBOX_PCI_STATUS);
+}
+
+/**
+ * Sets the status config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u16Status The status register value.
+ */
+DECLINLINE(void) PDMPciDevSetStatus(PPDMPCIDEV pPciDev, uint16_t u16Status)
+{
+ PDMPciDevSetWord(pPciDev, VBOX_PCI_STATUS, u16Status);
+}
+
+
+/**
+ * Sets the revision id config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8RevisionId The revision id.
+ */
+DECLINLINE(void) PDMPciDevSetRevisionId(PPDMPCIDEV pPciDev, uint8_t u8RevisionId)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_REVISION_ID, u8RevisionId);
+}
+
+
+/**
+ * Sets the register level programming class config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8ClassProg The new value.
+ */
+DECLINLINE(void) PDMPciDevSetClassProg(PPDMPCIDEV pPciDev, uint8_t u8ClassProg)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_CLASS_PROG, u8ClassProg);
+}
+
+
+/**
+ * Sets the sub-class (aka device class) config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8SubClass The sub-class.
+ */
+DECLINLINE(void) PDMPciDevSetClassSub(PPDMPCIDEV pPciDev, uint8_t u8SubClass)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_CLASS_SUB, u8SubClass);
+}
+
+
+/**
+ * Sets the base class config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8BaseClass The base class.
+ */
+DECLINLINE(void) PDMPciDevSetClassBase(PPDMPCIDEV pPciDev, uint8_t u8BaseClass)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_CLASS_BASE, u8BaseClass);
+}
+
+/**
+ * Sets the header type config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8HdrType The header type.
+ */
+DECLINLINE(void) PDMPciDevSetHeaderType(PPDMPCIDEV pPciDev, uint8_t u8HdrType)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_HEADER_TYPE, u8HdrType);
+}
+
+/**
+ * Gets the header type config register.
+ *
+ * @param pPciDev The PCI device.
+ * @returns u8HdrType The header type.
+ */
+DECLINLINE(uint8_t) PDMPciDevGetHeaderType(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetByte(pPciDev, VBOX_PCI_HEADER_TYPE);
+}
+
+/**
+ * Sets the BIST (built-in self-test) config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8Bist The BIST value.
+ */
+DECLINLINE(void) PDMPciDevSetBIST(PPDMPCIDEV pPciDev, uint8_t u8Bist)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_BIST, u8Bist);
+}
+
+/**
+ * Gets the BIST (built-in self-test) config register.
+ *
+ * @param pPciDev The PCI device.
+ * @returns u8Bist The BIST.
+ */
+DECLINLINE(uint8_t) PDMPciDevGetBIST(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetByte(pPciDev, VBOX_PCI_BIST);
+}
+
+
+/**
+ * Sets a base address config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param iReg Base address register number (0..5).
+ * @param fIOSpace Whether it's I/O (true) or memory (false) space.
+ * @param fPrefetchable Whether the memory is prefetachable. Must be false if fIOSpace == true.
+ * @param f64Bit Whether the memory can be mapped anywhere in the 64-bit address space. Otherwise restrict to 32-bit.
+ * @param u32Addr The address value.
+ */
+DECLINLINE(void) PDMPciDevSetBaseAddress(PPDMPCIDEV pPciDev, uint8_t iReg, bool fIOSpace, bool fPrefetchable, bool f64Bit,
+ uint32_t u32Addr)
+{
+ if (fIOSpace)
+ {
+ Assert(!(u32Addr & 0x3)); Assert(!fPrefetchable); Assert(!f64Bit);
+ u32Addr |= RT_BIT_32(0);
+ }
+ else
+ {
+ Assert(!(u32Addr & 0xf));
+ if (fPrefetchable)
+ u32Addr |= RT_BIT_32(3);
+ if (f64Bit)
+ u32Addr |= 0x2 << 1;
+ }
+ switch (iReg)
+ {
+ case 0: iReg = VBOX_PCI_BASE_ADDRESS_0; break;
+ case 1: iReg = VBOX_PCI_BASE_ADDRESS_1; break;
+ case 2: iReg = VBOX_PCI_BASE_ADDRESS_2; break;
+ case 3: iReg = VBOX_PCI_BASE_ADDRESS_3; break;
+ case 4: iReg = VBOX_PCI_BASE_ADDRESS_4; break;
+ case 5: iReg = VBOX_PCI_BASE_ADDRESS_5; break;
+ default: AssertFailedReturnVoid();
+ }
+
+ PDMPciDevSetDWord(pPciDev, iReg, u32Addr);
+}
+
+/**
+ * Please document me. I don't seem to be getting as much as calculating
+ * the address of some PCI region.
+ */
+DECLINLINE(uint32_t) PDMPciDevGetRegionReg(uint32_t iRegion)
+{
+ return iRegion == VBOX_PCI_ROM_SLOT
+ ? VBOX_PCI_ROM_ADDRESS : (VBOX_PCI_BASE_ADDRESS_0 + iRegion * 4);
+}
+
+/**
+ * Sets the sub-system vendor id config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u16SubSysVendorId The sub-system vendor id.
+ */
+DECLINLINE(void) PDMPciDevSetSubSystemVendorId(PPDMPCIDEV pPciDev, uint16_t u16SubSysVendorId)
+{
+ PDMPciDevSetWord(pPciDev, VBOX_PCI_SUBSYSTEM_VENDOR_ID, u16SubSysVendorId);
+}
+
+/**
+ * Gets the sub-system vendor id config register.
+ * @returns the sub-system vendor id.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint16_t) PDMPciDevGetSubSystemVendorId(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetWord(pPciDev, VBOX_PCI_SUBSYSTEM_VENDOR_ID);
+}
+
+
+/**
+ * Sets the sub-system id config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u16SubSystemId The sub-system id.
+ */
+DECLINLINE(void) PDMPciDevSetSubSystemId(PPDMPCIDEV pPciDev, uint16_t u16SubSystemId)
+{
+ PDMPciDevSetWord(pPciDev, VBOX_PCI_SUBSYSTEM_ID, u16SubSystemId);
+}
+
+/**
+ * Gets the sub-system id config register.
+ * @returns the sub-system id.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint16_t) PDMPciDevGetSubSystemId(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetWord(pPciDev, VBOX_PCI_SUBSYSTEM_ID);
+}
+
+/**
+ * Sets offset to capability list.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8Offset The offset to capability list.
+ */
+DECLINLINE(void) PDMPciDevSetCapabilityList(PPDMPCIDEV pPciDev, uint8_t u8Offset)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_CAPABILITY_LIST, u8Offset);
+}
+
+/**
+ * Returns offset to capability list.
+ *
+ * @returns offset to capability list.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint8_t) PDMPciDevGetCapabilityList(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetByte(pPciDev, VBOX_PCI_CAPABILITY_LIST);
+}
+
+/**
+ * Sets the interrupt line config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8Line The interrupt line.
+ */
+DECLINLINE(void) PDMPciDevSetInterruptLine(PPDMPCIDEV pPciDev, uint8_t u8Line)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_INTERRUPT_LINE, u8Line);
+}
+
+/**
+ * Gets the interrupt line config register.
+ *
+ * @returns The interrupt line.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint8_t) PDMPciDevGetInterruptLine(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetByte(pPciDev, VBOX_PCI_INTERRUPT_LINE);
+}
+
+/**
+ * Sets the interrupt pin config register.
+ *
+ * @param pPciDev The PCI device.
+ * @param u8Pin The interrupt pin.
+ */
+DECLINLINE(void) PDMPciDevSetInterruptPin(PPDMPCIDEV pPciDev, uint8_t u8Pin)
+{
+ PDMPciDevSetByte(pPciDev, VBOX_PCI_INTERRUPT_PIN, u8Pin);
+}
+
+/**
+ * Gets the interrupt pin config register.
+ *
+ * @returns The interrupt pin.
+ * @param pPciDev The PCI device.
+ */
+DECLINLINE(uint8_t) PDMPciDevGetInterruptPin(PCPDMPCIDEV pPciDev)
+{
+ return PDMPciDevGetByte(pPciDev, VBOX_PCI_INTERRUPT_PIN);
+}
+
+/** @} */
+
+/** @name Aliases for old function names.
+ * @{
+ */
+#if !defined(PDMPCIDEVICE_NO_DEPRECATED) || defined(DOXYGEN_RUNNING)
+# define PCIDevSetByte PDMPciDevSetByte
+# define PCIDevGetByte PDMPciDevGetByte
+# define PCIDevSetWord PDMPciDevSetWord
+# define PCIDevGetWord PDMPciDevGetWord
+# define PCIDevSetDWord PDMPciDevSetDWord
+# define PCIDevGetDWord PDMPciDevGetDWord
+# define PCIDevSetQWord PDMPciDevSetQWord
+# define PCIDevGetQWord PDMPciDevGetQWord
+# define PCIDevSetVendorId PDMPciDevSetVendorId
+# define PCIDevGetVendorId PDMPciDevGetVendorId
+# define PCIDevSetDeviceId PDMPciDevSetDeviceId
+# define PCIDevGetDeviceId PDMPciDevGetDeviceId
+# define PCIDevSetCommand PDMPciDevSetCommand
+# define PCIDevGetCommand PDMPciDevGetCommand
+# define PCIDevIsBusmaster PDMPciDevIsBusmaster
+# define PCIDevIsIntxDisabled PDMPciDevIsIntxDisabled
+# define PCIDevGetStatus PDMPciDevGetStatus
+# define PCIDevSetStatus PDMPciDevSetStatus
+# define PCIDevSetRevisionId PDMPciDevSetRevisionId
+# define PCIDevSetClassProg PDMPciDevSetClassProg
+# define PCIDevSetClassSub PDMPciDevSetClassSub
+# define PCIDevSetClassBase PDMPciDevSetClassBase
+# define PCIDevSetHeaderType PDMPciDevSetHeaderType
+# define PCIDevGetHeaderType PDMPciDevGetHeaderType
+# define PCIDevSetBIST PDMPciDevSetBIST
+# define PCIDevGetBIST PDMPciDevGetBIST
+# define PCIDevSetBaseAddress PDMPciDevSetBaseAddress
+# define PCIDevGetRegionReg PDMPciDevGetRegionReg
+# define PCIDevSetSubSystemVendorId PDMPciDevSetSubSystemVendorId
+# define PCIDevGetSubSystemVendorId PDMPciDevGetSubSystemVendorId
+# define PCIDevSetSubSystemId PDMPciDevSetSubSystemId
+# define PCIDevGetSubSystemId PDMPciDevGetSubSystemId
+# define PCIDevSetCapabilityList PDMPciDevSetCapabilityList
+# define PCIDevGetCapabilityList PDMPciDevGetCapabilityList
+# define PCIDevSetInterruptLine PDMPciDevSetInterruptLine
+# define PCIDevGetInterruptLine PDMPciDevGetInterruptLine
+# define PCIDevSetInterruptPin PDMPciDevSetInterruptPin
+# define PCIDevGetInterruptPin PDMPciDevGetInterruptPin
+#endif
+/** @} */
+
+
+/** @name PDMIICH9BRIDGEPDMPCIDEV_IID - Ugly 3rd party bridge/raw PCI hack.
+ *
+ * When querying this IID via IBase::pfnQueryInterface on a ICH9 bridge, you
+ * will get a pointer to a PDMPCIDEV rather pointer to an interface function
+ * table as is the custom. This was needed by some unusual 3rd-party raw and/or
+ * pass-through implementation which need to provide different PCI configuration
+ * space content for bridges (as long as we don't allow pass-through of bridges
+ * or custom bridge device implementations). So, HACK ALERT to all of this!
+ * @{ */
+#define PDMIICH9BRIDGEPDMPCIDEV_IID "785c74b1-8510-4458-9422-56750bf221db"
+typedef PPDMPCIDEV PPDMIICH9BRIDGEPDMPCIDEV;
+typedef PDMPCIDEV PDMIICH9BRIDGEPDMPCIDEV;
+/** @} */
+
+
+/** @} */
+
+#endif /* !VBOX_INCLUDED_vmm_pdmpcidev_h */