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MdePkg: Add UEFI2.5 Ramdisk device path definition

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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
This commit is contained in:
Feng Tian
2015-07-08 05:49:07 +00:00
committed by erictian
parent a51ee14463
commit 6a46c1a2a6
5 changed files with 349 additions and 2 deletions
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62
MdePkg/Include/Protocol/DevicePath.h
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@@ -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.
///
@@ -1075,6 +1077,62 @@ typedef struct {
UINT64 EndingOffset;
} 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.
///
@@ -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;