1 files changed, 132 insertions, 0 deletions
diff --git a/EDK/Foundation/Efi/Protocol/DeviceIO/DeviceIO.h b/EDK/Foundation/Efi/Protocol/DeviceIO/DeviceIO.h
new file mode 100644
index 0000000..c0a30e3
--- /dev/null
+++ b/EDK/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