diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Efi/Protocol/DeviceIO/DeviceIO.h')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Efi/Protocol/DeviceIO/DeviceIO.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Efi/Protocol/DeviceIO/DeviceIO.h b/EdkCompatibilityPkg/Foundation/Efi/Protocol/DeviceIO/DeviceIO.h new file mode 100644 index 0000000000..d0f4678a50 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Efi/Protocol/DeviceIO/DeviceIO.h @@ -0,0 +1,132 @@ +/*++
+
+Copyright (c) 2004, 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.
+
+Module Name:
+
+ DeviceIo.h
+
+Abstract:
+
+ Device IO protocol as defined in the EFI 1.0 specification.
+
+ Device IO is used to abstract hardware access to devices. It includes
+ memory mapped IO, IO, PCI Config space, and DMA.
+
+
+--*/
+
+#ifndef _DEVICE_IO_H_
+#define _DEVICE_IO_H_
+
+#define EFI_DEVICE_IO_PROTOCOL_GUID \
+ { \
+ 0xaf6ac311, 0x84c3, 0x11d2, 0x8e, 0x3c, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b \
+ }
+
+EFI_FORWARD_DECLARATION (EFI_DEVICE_IO_PROTOCOL);
+
+typedef enum {
+ IO_UINT8,
+ IO_UINT16,
+ IO_UINT32,
+ IO_UINT64,
+ MMIO_COPY_UINT8,
+ MMIO_COPY_UINT16,
+ MMIO_COPY_UINT32,
+ MMIO_COPY_UINT64
+} EFI_IO_WIDTH;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_DEVICE_IO) (
+ IN EFI_DEVICE_IO_PROTOCOL * This,
+ IN EFI_IO_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ );
+
+typedef struct {
+ EFI_DEVICE_IO Read;
+ EFI_DEVICE_IO Write;
+} EFI_IO_ACCESS;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_PCI_DEVICE_PATH) (
+ IN EFI_DEVICE_IO_PROTOCOL * This,
+ IN UINT64 Address,
+ IN OUT EFI_DEVICE_PATH_PROTOCOL **PciDevicePath
+ );
+
+typedef enum {
+ EfiBusMasterRead,
+ EfiBusMasterWrite,
+ EfiBusMasterCommonBuffer
+} EFI_IO_OPERATION_TYPE;
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IO_MAP) (
+ IN EFI_DEVICE_IO_PROTOCOL * This,
+ IN EFI_IO_OPERATION_TYPE Operation,
+ IN EFI_PHYSICAL_ADDRESS * HostAddress,
+ IN OUT UINTN *NumberOfBytes,
+ OUT EFI_PHYSICAL_ADDRESS * DeviceAddress,
+ OUT VOID **Mapping
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IO_UNMAP) (
+ IN EFI_DEVICE_IO_PROTOCOL * This,
+ IN VOID *Mapping
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IO_ALLOCATE_BUFFER) (
+ IN EFI_DEVICE_IO_PROTOCOL * This,
+ IN EFI_ALLOCATE_TYPE Type,
+ IN EFI_MEMORY_TYPE MemoryType,
+ IN UINTN Pages,
+ IN OUT EFI_PHYSICAL_ADDRESS * HostAddress
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IO_FLUSH) (
+ IN EFI_DEVICE_IO_PROTOCOL * This
+ );
+
+typedef
+EFI_STATUS
+(EFIAPI *EFI_IO_FREE_BUFFER) (
+ IN EFI_DEVICE_IO_PROTOCOL * This,
+ IN UINTN Pages,
+ IN EFI_PHYSICAL_ADDRESS HostAddress
+ );
+
+typedef struct _EFI_DEVICE_IO_PROTOCOL {
+ EFI_IO_ACCESS Mem;
+ EFI_IO_ACCESS Io;
+ EFI_IO_ACCESS Pci;
+ EFI_IO_MAP Map;
+ EFI_PCI_DEVICE_PATH PciDevicePath;
+ EFI_IO_UNMAP Unmap;
+ EFI_IO_ALLOCATE_BUFFER AllocateBuffer;
+ EFI_IO_FLUSH Flush;
+ EFI_IO_FREE_BUFFER FreeBuffer;
+} EFI_DEVICE_IO_PROTOCOL;
+
+extern EFI_GUID gEfiDeviceIoProtocolGuid;
+
+#endif
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