In IdeBus driver block I/O read/write interface, it will always try to use UDMA mode...

[mirror_edk2.git] / EdkModulePkg / Bus / Pci / IdeBus / Dxe / ide.h

diff --git a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h
index b83a82a9fb52cfb3e4727045bd11f66b671a5c95..f382279ab54f0bf4fb83eb0b63d23325631938cd 100644 (file)
--- a/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h
+++ b/EdkModulePkg/Bus/Pci/IdeBus/Dxe/ide.h
@@ -1097,6 +1097,42 @@ AtaUdmaWriteExt (
   )\r
 ;\r
 \r
   )\r
 ;\r
 \r

+/**\r
+  Perform an ATA Udma operation (Read, ReadExt, Write, WriteExt).\r
+  \r
+  @param[in] *IdeDev\r
+  pointer pointing to IDE_BLK_IO_DEV data structure, used\r
+  to record all the information of the IDE device.\r
+\r
+  @param[in] *DataBuffer\r
+  A pointer to the source buffer for the data.\r
+\r
+  @param[in] StartLba\r
+  The starting logical block address to write to\r
+  on the device media.\r
+\r
+  @param[in] NumberOfBlocks\r
+  The number of transfer data blocks.\r
+  \r
+  @param[in] UdmaOp\r
+  The perform operations could be AtaUdmaReadOp, AtaUdmaReadExOp,\r
+  AtaUdmaWriteOp, AtaUdmaWriteExOp\r
+\r
+  @return The device status of UDMA operation. If the operation is\r
+  successful, return EFI_SUCCESS.\r
+\r
+**/\r
+EFI_STATUS\r
+DoAtaUdma (\r
+  IN  IDE_BLK_IO_DEV      *IdeDev,\r
+  IN  VOID                *DataBuffer,\r
+  IN  EFI_LBA             StartLba,\r
+  IN  UINTN               NumberOfBlocks,\r
+  IN  ATA_UDMA_OPERATION  UdmaOp\r
+  )\r
+;\r
+\r
+\r

 /**\r
   TODO: Add function description\r
 \r
 /**\r
   TODO: Add function description\r
 \r