This device path node is introduced in UEFI2.6 spec.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.t...@intel.com>
---
MdePkg/Include/Protocol/DevicePath.h | 11 ++++++++
.../Library/UefiDevicePathLib/DevicePathFromText.c | 29 ++++++++++++++++++++
.../Library/UefiDevicePathLib/DevicePathToText.c | 32 ++++++++++++++++++++++
3 files changed, 72 insertions(+)
diff --git a/MdePkg/Include/Protocol/DevicePath.h
b/MdePkg/Include/Protocol/DevicePath.h
index 631136be..9a9ad2c 100644
--- a/MdePkg/Include/Protocol/DevicePath.h
+++ b/MdePkg/Include/Protocol/DevicePath.h
@@ -855,6 +855,15 @@ typedef struct {
} SD_DEVICE_PATH;
///
+/// EMMC (Embedded MMC) Device Path SubType.
+///
+#define MSG_EMMC_DP 0x1D
+typedef struct {
+ EFI_DEVICE_PATH_PROTOCOL Header;
+ UINT8 SlotNumber;
+} EMMC_DEVICE_PATH;
+
+///
/// iSCSI Device Path SubType
///
#define MSG_ISCSI_DP 0x13
@@ -1239,6 +1248,7 @@ typedef union {
WIFI_DEVICE_PATH WiFi;
UFS_DEVICE_PATH Ufs;
SD_DEVICE_PATH Sd;
+ EMMC_DEVICE_PATH Emmc;
HARDDRIVE_DEVICE_PATH HardDrive;
CDROM_DEVICE_PATH CD;
@@ -1295,6 +1305,7 @@ typedef union {
WIFI_DEVICE_PATH *WiFi;
UFS_DEVICE_PATH *Ufs;
SD_DEVICE_PATH *Sd;
+ EMMC_DEVICE_PATH *Emmc;
HARDDRIVE_DEVICE_PATH *HardDrive;
CDROM_DEVICE_PATH *CD;
diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
index 6a9b389..961ccb5 100644
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
@@ -1903,6 +1903,34 @@ DevPathFromTextSd (
}
/**
+ Converts a text device path node to EMMC (Embedded MMC) device path
structure.
+
+ @param TextDeviceNode The input Text device path node.
+
+ @return A pointer to the newly-created EMMC device path structure.
+
+**/
+EFI_DEVICE_PATH_PROTOCOL *
+DevPathFromTextEmmc (
+ IN CHAR16 *TextDeviceNode
+ )
+{
+ CHAR16 *SlotNumberStr;
+ EMMC_DEVICE_PATH *Emmc;
+
+ SlotNumberStr = GetNextParamStr (&TextDeviceNode);
+ Emmc = (EMMC_DEVICE_PATH *) CreateDeviceNode (
+ MESSAGING_DEVICE_PATH,
+ MSG_EMMC_DP,
+ (UINT16) sizeof (EMMC_DEVICE_PATH)
+ );
+
+ Emmc->SlotNumber = (UINT8) Strtoi (SlotNumberStr);
+
+ return (EFI_DEVICE_PATH_PROTOCOL *) Emmc;
+}
+
+/**
Converts a text device path node to Debug Port device path structure.
@param TextDeviceNode The input Text device path node.
@@ -3501,6 +3529,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE
mUefiDevicePathLibDevP
{L"NVMe", DevPathFromTextNVMe },
{L"UFS", DevPathFromTextUfs },
{L"SD", DevPathFromTextSd },
+ {L"Emmc", DevPathFromTextEmmc },
{L"DebugPort", DevPathFromTextDebugPort },
{L"MAC", DevPathFromTextMAC },
{L"IPv4", DevPathFromTextIPv4 },
diff --git a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
index 363830b..92db3b1 100644
--- a/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
+++ b/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
@@ -823,6 +823,37 @@ DevPathToTextSd (
}
/**
+ Converts a EMMC (Embedded MMC) device path structure to its string
representative.
+
+ @param Str The string representative of input device.
+ @param DevPath The input device path structure.
+ @param DisplayOnly If DisplayOnly is TRUE, then the shorter text
representation
+ of the display node is used, where applicable. If
DisplayOnly
+ is FALSE, then the longer text representation of the
display node
+ is used.
+ @param AllowShortcuts If AllowShortcuts is TRUE, then the shortcut forms of
text
+ representation for a device node can be used, where
applicable.
+
+**/
+VOID
+DevPathToTextEmmc (
+ IN OUT POOL_PRINT *Str,
+ IN VOID *DevPath,
+ IN BOOLEAN DisplayOnly,
+ IN BOOLEAN AllowShortcuts
+ )
+{
+ EMMC_DEVICE_PATH *Emmc;
+
+ Emmc = DevPath;
+ UefiDevicePathLibCatPrint (
+ Str,
+ L"Emmc(0x%x)",
+ Emmc->SlotNumber
+ );
+}
+
+/**
Converts a 1394 device path structure to its string representative.
@param Str The string representative of input device.
@@ -2139,6 +2170,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED const
DEVICE_PATH_TO_TEXT_TABLE mUefiDevicePathLib
{MESSAGING_DEVICE_PATH, MSG_NVME_NAMESPACE_DP, DevPathToTextNVMe
},
{MESSAGING_DEVICE_PATH, MSG_UFS_DP, DevPathToTextUfs
},
{MESSAGING_DEVICE_PATH, MSG_SD_DP, DevPathToTextSd
},
+ {MESSAGING_DEVICE_PATH, MSG_EMMC_DP, DevPathToTextEmmc
},
{MESSAGING_DEVICE_PATH, MSG_1394_DP, DevPathToText1394
},
{MESSAGING_DEVICE_PATH, MSG_USB_DP, DevPathToTextUsb
},
{MESSAGING_DEVICE_PATH, MSG_USB_WWID_DP,
DevPathToTextUsbWWID },
--
2.7.1.windows.2
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