diff options
Diffstat (limited to 'gpxe/src/include/gpxe/efi/Protocol/PciIo.h')
| -rw-r--r-- | gpxe/src/include/gpxe/efi/Protocol/PciIo.h | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/gpxe/src/include/gpxe/efi/Protocol/PciIo.h b/gpxe/src/include/gpxe/efi/Protocol/PciIo.h deleted file mode 100644 index 5aea5b4a..00000000 --- a/gpxe/src/include/gpxe/efi/Protocol/PciIo.h +++ /dev/null @@ -1,519 +0,0 @@ -/** @file - EFI PCI I/O Protocol provides the basic Memory, I/O, PCI configuration, - and DMA interfaces that a driver uses to access its PCI controller. - - Copyright (c) 2006 - 2008, Intel Corporation - All rights reserved. This program and the accompanying materials - are licensed and made available under the terms and conditions of the BSD License - which accompanies this distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php - - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -**/ - -#ifndef __PCI_IO_H__ -#define __PCI_IO_H__ - -/// -/// Global ID for the PCI I/O Protocol -/// -#define EFI_PCI_IO_PROTOCOL_GUID \ - { \ - 0x4cf5b200, 0x68b8, 0x4ca5, {0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x2, 0x9a } \ - } - -typedef struct _EFI_PCI_IO_PROTOCOL EFI_PCI_IO_PROTOCOL; - -/// -/// Prototypes for the PCI I/O Protocol -/// -typedef enum { - EfiPciIoWidthUint8 = 0, - EfiPciIoWidthUint16, - EfiPciIoWidthUint32, - EfiPciIoWidthUint64, - EfiPciIoWidthFifoUint8, - EfiPciIoWidthFifoUint16, - EfiPciIoWidthFifoUint32, - EfiPciIoWidthFifoUint64, - EfiPciIoWidthFillUint8, - EfiPciIoWidthFillUint16, - EfiPciIoWidthFillUint32, - EfiPciIoWidthFillUint64, - EfiPciIoWidthMaximum -} EFI_PCI_IO_PROTOCOL_WIDTH; - -// -// Complete PCI address generater -// -#define EFI_PCI_IO_PASS_THROUGH_BAR 0xff ///< Special BAR that passes a memory or I/O cycle through unchanged -#define EFI_PCI_IO_ATTRIBUTE_MASK 0x077f ///< All the following I/O and Memory cycles -#define EFI_PCI_IO_ATTRIBUTE_ISA_MOTHERBOARD_IO 0x0001 ///< I/O cycles 0x0000-0x00FF (10 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_ISA_IO 0x0002 ///< I/O cycles 0x0100-0x03FF or greater (10 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO 0x0004 ///< I/O cycles 0x3C6, 0x3C8, 0x3C9 (10 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY 0x0008 ///< MEM cycles 0xA0000-0xBFFFF (24 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_VGA_IO 0x0010 ///< I/O cycles 0x3B0-0x3BB and 0x3C0-0x3DF (10 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO 0x0020 ///< I/O cycles 0x1F0-0x1F7, 0x3F6, 0x3F7 (10 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO 0x0040 ///< I/O cycles 0x170-0x177, 0x376, 0x377 (10 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_MEMORY_WRITE_COMBINE 0x0080 ///< Map a memory range so write are combined -#define EFI_PCI_IO_ATTRIBUTE_IO 0x0100 ///< Enable the I/O decode bit in the PCI Config Header -#define EFI_PCI_IO_ATTRIBUTE_MEMORY 0x0200 ///< Enable the Memory decode bit in the PCI Config Header -#define EFI_PCI_IO_ATTRIBUTE_BUS_MASTER 0x0400 ///< Enable the DMA bit in the PCI Config Header -#define EFI_PCI_IO_ATTRIBUTE_MEMORY_CACHED 0x0800 ///< Map a memory range so all r/w accesses are cached -#define EFI_PCI_IO_ATTRIBUTE_MEMORY_DISABLE 0x1000 ///< Disable a memory range -#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_DEVICE 0x2000 ///< Clear for an add-in PCI Device -#define EFI_PCI_IO_ATTRIBUTE_EMBEDDED_ROM 0x4000 ///< Clear for a physical PCI Option ROM accessed through ROM BAR -#define EFI_PCI_IO_ATTRIBUTE_DUAL_ADDRESS_CYCLE 0x8000 ///< Clear for PCI controllers that can not genrate a DAC -#define EFI_PCI_IO_ATTRIBUTE_ISA_IO_16 0x10000 ///< I/O cycles 0x0100-0x03FF or greater (16 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO_16 0x20000 ///< I/O cycles 0x3C6, 0x3C8, 0x3C9 (16 bit decode) -#define EFI_PCI_IO_ATTRIBUTE_VGA_IO_16 0x30000 ///< I/O cycles 0x3B0-0x3BB and 0x3C0-0x3DF (16 bit decode) - -#define EFI_PCI_DEVICE_ENABLE (EFI_PCI_IO_ATTRIBUTE_IO | EFI_PCI_IO_ATTRIBUTE_MEMORY | EFI_PCI_IO_ATTRIBUTE_BUS_MASTER) -#define EFI_VGA_DEVICE_ENABLE (EFI_PCI_IO_ATTRIBUTE_VGA_PALETTE_IO | EFI_PCI_IO_ATTRIBUTE_VGA_MEMORY | EFI_PCI_IO_ATTRIBUTE_VGA_IO | EFI_PCI_IO_ATTRIBUTE_IO) - -/// -/// ******************************************************* -/// EFI_PCI_IO_PROTOCOL_OPERATION -/// ******************************************************* -/// -typedef enum { - EfiPciIoOperationBusMasterRead, - EfiPciIoOperationBusMasterWrite, - EfiPciIoOperationBusMasterCommonBuffer, - EfiPciIoOperationMaximum -} EFI_PCI_IO_PROTOCOL_OPERATION; - -/// -/// ******************************************************* -/// EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION -/// ******************************************************* -/// -typedef enum { - EfiPciIoAttributeOperationGet, - EfiPciIoAttributeOperationSet, - EfiPciIoAttributeOperationEnable, - EfiPciIoAttributeOperationDisable, - EfiPciIoAttributeOperationSupported, - EfiPciIoAttributeOperationMaximum -} EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION; - -/** - Reads from the memory space of a PCI controller. Returns when either the polling exit criteria is - satisfied or after a defined duration. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Width Signifies the width of the memory or I/O operations. - @param BarIndex The BAR index of the standard PCI Configuration header to use as the - base address for the memory operation to perform. - @param Offset The offset within the selected BAR to start the memory operation. - @param Mask Mask used for the polling criteria. - @param Value The comparison value used for the polling exit criteria. - @param Delay The number of 100 ns units to poll. - @param Result Pointer to the last value read from the memory location. - - @retval EFI_SUCCESS The last data returned from the access matched the poll exit criteria. - @retval EFI_UNSUPPORTED BarIndex not valid for this PCI controller. - @retval EFI_UNSUPPORTED Offset is not valid for the BarIndex of this PCI controller. - @retval EFI_TIMEOUT Delay expired before a match occurred. - @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. - @retval EFI_INVALID_PARAMETER One or more parameters are invalid. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_POLL_IO_MEM)( - IN EFI_PCI_IO_PROTOCOL *This, - IN EFI_PCI_IO_PROTOCOL_WIDTH Width, - IN UINT8 BarIndex, - IN UINT64 Offset, - IN UINT64 Mask, - IN UINT64 Value, - IN UINT64 Delay, - OUT UINT64 *Result - ); - -/** - Enable a PCI driver to access PCI controller registers in the PCI memory or I/O space. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Width Signifies the width of the memory or I/O operations. - @param BarIndex The BAR index of the standard PCI Configuration header to use as the - base address for the memory or I/O operation to perform. - @param Offset The offset within the selected BAR to start the memory or I/O operation. - @param Count The number of memory or I/O operations to perform. - @param Buffer For read operations, the destination buffer to store the results. For write - operations, the source buffer to write data from. - - @retval EFI_SUCCESS The data was read from or written to the PCI controller. - @retval EFI_UNSUPPORTED BarIndex not valid for this PCI controller. - @retval EFI_UNSUPPORTED The address range specified by Offset, Width, and Count is not - valid for the PCI BAR specified by BarIndex. - @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. - @retval EFI_INVALID_PARAMETER One or more parameters are invalid. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_IO_MEM)( - IN EFI_PCI_IO_PROTOCOL *This, - IN EFI_PCI_IO_PROTOCOL_WIDTH Width, - IN UINT8 BarIndex, - IN UINT64 Offset, - IN UINTN Count, - IN OUT VOID *Buffer - ); - -typedef struct { - EFI_PCI_IO_PROTOCOL_IO_MEM Read; - EFI_PCI_IO_PROTOCOL_IO_MEM Write; -} EFI_PCI_IO_PROTOCOL_ACCESS; - -/** - Enable a PCI driver to access PCI controller registers in PCI configuration space. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Width Signifies the width of the memory operations. - @param Offset The offset within the PCI configuration space for the PCI controller. - @param Count The number of PCI configuration operations to perform. - @param Buffer For read operations, the destination buffer to store the results. For write - operations, the source buffer to write data from. - - - @retval EFI_SUCCESS The data was read from or written to the PCI controller. - @retval EFI_UNSUPPORTED The address range specified by Offset, Width, and Count is not - valid for the PCI configuration header of the PCI controller. - @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. - @retval EFI_INVALID_PARAMETER Buffer is NULL or Width is invalid. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_CONFIG)( - IN EFI_PCI_IO_PROTOCOL *This, - IN EFI_PCI_IO_PROTOCOL_WIDTH Width, - IN UINT32 Offset, - IN UINTN Count, - IN OUT VOID *Buffer - ); - -typedef struct { - EFI_PCI_IO_PROTOCOL_CONFIG Read; - EFI_PCI_IO_PROTOCOL_CONFIG Write; -} EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS; - -/** - Enables a PCI driver to copy one region of PCI memory space to another region of PCI - memory space. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Width Signifies the width of the memory operations. - @param DestBarIndex The BAR index in the standard PCI Configuration header to use as the - base address for the memory operation to perform. - @param DestOffset The destination offset within the BAR specified by DestBarIndex to - start the memory writes for the copy operation. - @param SrcBarIndex The BAR index in the standard PCI Configuration header to use as the - base address for the memory operation to perform. - @param SrcOffset The source offset within the BAR specified by SrcBarIndex to start - the memory reads for the copy operation. - @param Count The number of memory operations to perform. Bytes moved is Width - size * Count, starting at DestOffset and SrcOffset. - - @retval EFI_SUCCESS The data was copied from one memory region to another memory region. - @retval EFI_UNSUPPORTED DestBarIndex not valid for this PCI controller. - @retval EFI_UNSUPPORTED SrcBarIndex not valid for this PCI controller. - @retval EFI_UNSUPPORTED The address range specified by DestOffset, Width, and Count - is not valid for the PCI BAR specified by DestBarIndex. - @retval EFI_UNSUPPORTED The address range specified by SrcOffset, Width, and Count is - not valid for the PCI BAR specified by SrcBarIndex. - @retval EFI_INVALID_PARAMETER Width is invalid. - @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_COPY_MEM)( - IN EFI_PCI_IO_PROTOCOL *This, - IN EFI_PCI_IO_PROTOCOL_WIDTH Width, - IN UINT8 DestBarIndex, - IN UINT64 DestOffset, - IN UINT8 SrcBarIndex, - IN UINT64 SrcOffset, - IN UINTN Count - ); - -/** - Provides the PCI controller-Cspecific addresses needed to access system memory. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Operation Indicates if the bus master is going to read or write to system memory. - @param HostAddress The system memory address to map to the PCI controller. - @param NumberOfBytes On input the number of bytes to map. On output the number of bytes - that were mapped. - @param DeviceAddress The resulting map address for the bus master PCI controller to use to - access the hosts HostAddress. - @param Mapping A resulting value to pass to Unmap(). - - @retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes. - @retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer. - @retval EFI_INVALID_PARAMETER One or more parameters are invalid. - @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. - @retval EFI_DEVICE_ERROR The system hardware could not map the requested address. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_MAP)( - IN EFI_PCI_IO_PROTOCOL *This, - IN EFI_PCI_IO_PROTOCOL_OPERATION Operation, - IN VOID *HostAddress, - IN OUT UINTN *NumberOfBytes, - OUT EFI_PHYSICAL_ADDRESS *DeviceAddress, - OUT VOID **Mapping - ); - -/** - Completes the Map() operation and releases any corresponding resources. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Mapping The mapping value returned from Map(). - - @retval EFI_SUCCESS The range was unmapped. - @retval EFI_DEVICE_ERROR The data was not committed to the target system memory. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_UNMAP)( - IN EFI_PCI_IO_PROTOCOL *This, - IN VOID *Mapping - ); - -/** - Allocates pages that are suitable for an EfiPciIoOperationBusMasterCommonBuffer - mapping. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Type This parameter is not used and must be ignored. - @param MemoryType The type of memory to allocate, EfiBootServicesData or - EfiRuntimeServicesData. - @param Pages The number of pages to allocate. - @param HostAddress A pointer to store the base system memory address of the - allocated range. - @param Attributes The requested bit mask of attributes for the allocated range. - - @retval EFI_SUCCESS The requested memory pages were allocated. - @retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are - MEMORY_WRITE_COMBINE and MEMORY_CACHED. - @retval EFI_INVALID_PARAMETER One or more parameters are invalid. - @retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_ALLOCATE_BUFFER)( - IN EFI_PCI_IO_PROTOCOL *This, - IN EFI_ALLOCATE_TYPE Type, - IN EFI_MEMORY_TYPE MemoryType, - IN UINTN Pages, - OUT VOID **HostAddress, - IN UINT64 Attributes - ); - -/** - Frees memory that was allocated with AllocateBuffer(). - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Pages The number of pages to free. - @param HostAddress The base system memory address of the allocated range. - - @retval EFI_SUCCESS The requested memory pages were freed. - @retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages - was not allocated with AllocateBuffer(). - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_FREE_BUFFER)( - IN EFI_PCI_IO_PROTOCOL *This, - IN UINTN Pages, - IN VOID *HostAddress - ); - -/** - Flushes all PCI posted write transactions from a PCI host bridge to system memory. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - - @retval EFI_SUCCESS The PCI posted write transactions were flushed from the PCI host - bridge to system memory. - @retval EFI_DEVICE_ERROR The PCI posted write transactions were not flushed from the PCI - host bridge due to a hardware error. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_FLUSH)( - IN EFI_PCI_IO_PROTOCOL *This - ); - -/** - Retrieves this PCI controller's current PCI bus number, device number, and function number. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param SegmentNumber The PCI controller's current PCI segment number. - @param BusNumber The PCI controller's current PCI bus number. - @param DeviceNumber The PCI controller's current PCI device number. - @param FunctionNumber The PCI controller's current PCI function number. - - @retval EFI_SUCCESS The PCI controller location was returned. - @retval EFI_INVALID_PARAMETER One or more parameters are invalid. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_GET_LOCATION)( - IN EFI_PCI_IO_PROTOCOL *This, - OUT UINTN *SegmentNumber, - OUT UINTN *BusNumber, - OUT UINTN *DeviceNumber, - OUT UINTN *FunctionNumber - ); - -/** - Performs an operation on the attributes that this PCI controller supports. The operations include - getting the set of supported attributes, retrieving the current attributes, setting the current - attributes, enabling attributes, and disabling attributes. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Operation The operation to perform on the attributes for this PCI controller. - @param Attributes The mask of attributes that are used for Set, Enable, and Disable - operations. - @param Result A pointer to the result mask of attributes that are returned for the Get - and Supported operations. - - @retval EFI_SUCCESS The operation on the PCI controller's attributes was completed. - @retval EFI_INVALID_PARAMETER One or more parameters are invalid. - @retval EFI_UNSUPPORTED one or more of the bits set in - Attributes are not supported by this PCI controller or one of - its parent bridges when Operation is Set, Enable or Disable. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_ATTRIBUTES)( - IN EFI_PCI_IO_PROTOCOL *This, - IN EFI_PCI_IO_PROTOCOL_ATTRIBUTE_OPERATION Operation, - IN UINT64 Attributes, - OUT UINT64 *Result OPTIONAL - ); - -/** - Gets the attributes that this PCI controller supports setting on a BAR using - SetBarAttributes(), and retrieves the list of resource descriptors for a BAR. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param BarIndex The BAR index of the standard PCI Configuration header to use as the - base address for resource range. The legal range for this field is 0..5. - @param Supports A pointer to the mask of attributes that this PCI controller supports - setting for this BAR with SetBarAttributes(). - @param Resources A pointer to the ACPI 2.0 resource descriptors that describe the current - configuration of this BAR of the PCI controller. - - @retval EFI_SUCCESS If Supports is not NULL, then the attributes that the PCI - controller supports are returned in Supports. If Resources - is not NULL, then the ACPI 2.0 resource descriptors that the PCI - controller is currently using are returned in Resources. - @retval EFI_INVALID_PARAMETER Both Supports and Attributes are NULL. - @retval EFI_UNSUPPORTED BarIndex not valid for this PCI controller. - @retval EFI_OUT_OF_RESOURCES There are not enough resources available to allocate - Resources. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_GET_BAR_ATTRIBUTES)( - IN EFI_PCI_IO_PROTOCOL *This, - IN UINT8 BarIndex, - OUT UINT64 *Supports, OPTIONAL - OUT VOID **Resources OPTIONAL - ); - -/** - Sets the attributes for a range of a BAR on a PCI controller. - - @param This A pointer to the EFI_PCI_IO_PROTOCOL instance. - @param Attributes The mask of attributes to set for the resource range specified by - BarIndex, Offset, and Length. - @param BarIndex The BAR index of the standard PCI Configuration header to use as the - base address for resource range. The legal range for this field is 0..5. - @param Offset A pointer to the BAR relative base address of the resource range to be - modified by the attributes specified by Attributes. - @param Length A pointer to the length of the resource range to be modified by the - attributes specified by Attributes. - - @retval EFI_SUCCESS The set of attributes specified by Attributes for the resource - range specified by BarIndex, Offset, and Length were - set on the PCI controller, and the actual resource range is returned - in Offset and Length. - @retval EFI_INVALID_PARAMETER Offset or Length is NULL. - @retval EFI_UNSUPPORTED BarIndex not valid for this PCI controller. - @retval EFI_OUT_OF_RESOURCES There are not enough resources to set the attributes on the - resource range specified by BarIndex, Offset, and - Length. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_PCI_IO_PROTOCOL_SET_BAR_ATTRIBUTES)( - IN EFI_PCI_IO_PROTOCOL *This, - IN UINT64 Attributes, - IN UINT8 BarIndex, - IN OUT UINT64 *Offset, - IN OUT UINT64 *Length - ); - -/// -/// The EFI_PCI_IO_PROTOCOL provides the basic Memory, I/O, PCI configuration, -/// and DMA interfaces that are used to abstract accesses to PCI controllers. -/// There is one EFI_PCI_IO_PROTOCOL instance for each PCI controller on a PCI bus. -/// A device driver that wishes to manage a PCI controller in a system will have to -/// retrieve the EFI_PCI_IO_PROTOCOL instance that is associated with the PCI controller. -/// -struct _EFI_PCI_IO_PROTOCOL { - EFI_PCI_IO_PROTOCOL_POLL_IO_MEM PollMem; - EFI_PCI_IO_PROTOCOL_POLL_IO_MEM PollIo; - EFI_PCI_IO_PROTOCOL_ACCESS Mem; - EFI_PCI_IO_PROTOCOL_ACCESS Io; - EFI_PCI_IO_PROTOCOL_CONFIG_ACCESS Pci; - EFI_PCI_IO_PROTOCOL_COPY_MEM CopyMem; - EFI_PCI_IO_PROTOCOL_MAP Map; - EFI_PCI_IO_PROTOCOL_UNMAP Unmap; - EFI_PCI_IO_PROTOCOL_ALLOCATE_BUFFER AllocateBuffer; - EFI_PCI_IO_PROTOCOL_FREE_BUFFER FreeBuffer; - EFI_PCI_IO_PROTOCOL_FLUSH Flush; - EFI_PCI_IO_PROTOCOL_GET_LOCATION GetLocation; - EFI_PCI_IO_PROTOCOL_ATTRIBUTES Attributes; - EFI_PCI_IO_PROTOCOL_GET_BAR_ATTRIBUTES GetBarAttributes; - EFI_PCI_IO_PROTOCOL_SET_BAR_ATTRIBUTES SetBarAttributes; - - /// - /// The size, in bytes, of the ROM image. - /// - UINT64 RomSize; - - /// - /// A pointer to the in memory copy of the ROM image. The PCI Bus Driver is responsible - /// for allocating memory for the ROM image, and copying the contents of the ROM to memory. - /// The contents of this buffer are either from the PCI option ROM that can be accessed - /// through the ROM BAR of the PCI controller, or it is from a platform-specific location. - /// The Attributes() function can be used to determine from which of these two sources - /// the RomImage buffer was initialized. - /// - VOID *RomImage; -}; - -extern EFI_GUID gEfiPciIoProtocolGuid; - -#endif |