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| author | Feng Tian <feng.tian@intel.com> | 2015-07-08 05:49:07 +0000 |
|---|---|---|
| committer | erictian <erictian@Edk2> | 2015-07-08 05:49:07 +0000 |
| commit | 6a46c1a2a62135d8f55d093f08bc06537b3ba8ef (patch) | |
| tree | 85285b545567ec4ab3ee50779fb5e34c346c72f3 /MdePkg/Include/Protocol/DevicePath.h | |
| parent | a51ee14463c7beb7e0ab6fc0d642867e79e5a2ec (diff) | |
| download | edk2-6a46c1a2a62135d8f55d093f08bc06537b3ba8ef.zip edk2-6a46c1a2a62135d8f55d093f08bc06537b3ba8ef.tar.gz edk2-6a46c1a2a62135d8f55d093f08bc06537b3ba8ef.tar.bz2 | |
MdePkg: Add UEFI2.5 Ramdisk device path definition
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17878 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Include/Protocol/DevicePath.h')
| -rw-r--r-- | MdePkg/Include/Protocol/DevicePath.h | 62 |
1 files changed, 60 insertions, 2 deletions
diff --git a/MdePkg/Include/Protocol/DevicePath.h b/MdePkg/Include/Protocol/DevicePath.h index 7b9a4e5..a3d6d96 100644 --- a/MdePkg/Include/Protocol/DevicePath.h +++ b/MdePkg/Include/Protocol/DevicePath.h @@ -21,6 +21,8 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #include <Guid/PcAnsi.h>
#include <IndustryStandard/Bluetooth.h>
+#include <IndustryStandard/Acpi60.h>
+
///
/// Device Path protocol.
///
@@ -1076,6 +1078,62 @@ typedef struct { } MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH;
///
+/// This GUID defines a RAM Disk supporting a raw disk format in volatile memory.
+///
+#define EFI_VIRTUAL_DISK_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_DISK_REGION_VOLATILE
+
+extern EFI_GUID gEfiVirtualDiskGuid;
+
+///
+/// This GUID defines a RAM Disk supporting an ISO image in volatile memory.
+///
+#define EFI_VIRTUAL_CD_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_CD_REGION_VOLATILE
+
+extern EFI_GUID gEfiVirtualCdGuid;
+
+///
+/// This GUID defines a RAM Disk supporting a raw disk format in persistent memory.
+///
+#define EFI_PERSISTENT_VIRTUAL_DISK_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_DISK_REGION_PERSISTENT
+
+extern EFI_GUID gEfiPersistentVirtualDiskGuid;
+
+///
+/// This GUID defines a RAM Disk supporting an ISO image in persistent memory.
+///
+#define EFI_PERSISTENT_VIRTUAL_CD_GUID EFI_ACPI_6_0_NFIT_GUID_RAM_DISK_SUPPORTING_VIRTUAL_CD_REGION_PERSISTENT
+
+extern EFI_GUID gEfiPersistentVirtualCdGuid;
+
+///
+/// Media ram disk device path.
+///
+#define MEDIA_RAM_DISK_DP 0x09
+
+///
+/// Used to describe the ram disk device path.
+///
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ ///
+ /// Starting Memory Address.
+ ///
+ UINT32 StartingAddr[2];
+ ///
+ /// Ending Memory Address.
+ ///
+ UINT32 EndingAddr[2];
+ ///
+ /// GUID that defines the type of the RAM Disk.
+ ///
+ EFI_GUID TypeGuid;
+ ///
+ /// RAM Diskinstance number, if supported. The default value is zero.
+ ///
+ UINT16 Instance;
+} MEDIA_RAM_DISK_DEVICE_PATH;
+
+///
/// BIOS Boot Specification Device Path.
///
#define BBS_DEVICE_PATH 0x05
@@ -1169,7 +1227,7 @@ typedef union { MEDIA_FW_VOL_DEVICE_PATH FirmwareVolume;
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FirmwareFile;
MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH Offset;
-
+ MEDIA_RAM_DISK_DEVICE_PATH RamDisk;
BBS_BBS_DEVICE_PATH Bbs;
} EFI_DEV_PATH;
@@ -1224,7 +1282,7 @@ typedef union { MEDIA_FW_VOL_DEVICE_PATH *FirmwareVolume;
MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *FirmwareFile;
MEDIA_RELATIVE_OFFSET_RANGE_DEVICE_PATH *Offset;
-
+ MEDIA_RAM_DISK_DEVICE_PATH *RamDisk;
BBS_BBS_DEVICE_PATH *Bbs;
UINT8 *Raw;
} EFI_DEV_PATH_PTR;
|