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Diffstat (limited to 'include/VBox/vmm/pdmpcidev.h')
| -rw-r--r-- | include/VBox/vmm/pdmpcidev.h | 803 |
1 files changed, 803 insertions, 0 deletions
diff --git a/include/VBox/vmm/pdmpcidev.h b/include/VBox/vmm/pdmpcidev.h new file mode 100644 index 00000000..077c5525 --- /dev/null +++ b/include/VBox/vmm/pdmpcidev.h @@ -0,0 +1,803 @@ +/** @file + * PCI - The PCI Controller And Devices. (DEV) + */ + +/* + * Copyright (C) 2006-2022 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 <https://www.gnu.org/licenses>. + * + * 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_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 DECLCALLBACKTYPE(VBOXSTRICTRC, FNPCICONFIGREAD,(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, + uint32_t uAddress, unsigned cb, uint32_t *pu32Value)); +/** Pointer to a FNPCICONFIGREAD() function. */ +typedef FNPCICONFIGREAD *PFNPCICONFIGREAD; +#if !RT_CLANG_PREREQ(11, 0) /* Clang 11 (at least) has trouble with nothrow and pointers to function pointers. */ +/** Pointer to a PFNPCICONFIGREAD. */ +typedef PFNPCICONFIGREAD *PPFNPCICONFIGREAD; +#endif + +/** + * 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 DECLCALLBACKTYPE(VBOXSTRICTRC, FNPCICONFIGWRITE,(PPDMDEVINS pDevIns, PPDMPCIDEV pPciDev, + uint32_t uAddress, unsigned cb, uint32_t u32Value)); +/** Pointer to a FNPCICONFIGWRITE() function. */ +typedef FNPCICONFIGWRITE *PFNPCICONFIGWRITE; +#if !RT_CLANG_PREREQ(11, 0) /* Clang 11 (at least) has trouble with nothrow and pointers to function pointers. */ +/** Pointer to a PFNPCICONFIGWRITE. */ +typedef PFNPCICONFIGWRITE *PPFNPCICONFIGWRITE; +#endif + +/** + * 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 DECLCALLBACKTYPE(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 DECLCALLBACKTYPE(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 DECLCALLBACKTYPE(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 */ |