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 / idedata.h
index ec088dc..0c38311 100644 (file)
@@ -86,6 +86,13 @@ typedef enum {
   SenseOtherSense\r
 } SENSE_RESULT;\r
 \r
+typedef enum {\r
+  AtaUdmaReadOp,\r
+  AtaUdmaReadExtOp,\r
+  AtaUdmaWriteOp,\r
+  AtaUdmaWriteExtOp\r
+} ATA_UDMA_OPERATION;\r
+\r
 //\r
 // IDE Registers\r
 //\r