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MdePkg/DevicePath: Add EMMC device path definition 

This device path node is introduced in UEFI2.6 spec.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Hao Wu <hao.a.wu@intel.com>
This commit is contained in:
Feng Tian 2016-03-22 23:15:53 +08:00
parent 03e1757840
commit 5c67fb2f4c
3 changed files with 72 additions and 0 deletions
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11
MdePkg/Include/Protocol/DevicePath.h
View File

@ -854,6 +854,15 @@ typedef struct {
UINT8 SlotNumber;
} 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
///
@ -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;

29
MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
View File

@ -1902,6 +1902,34 @@ DevPathFromTextSd (
return (EFI_DEVICE_PATH_PROTOCOL *) Sd;
}
/**
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.
@ -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 },

32
MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
View File

@ -822,6 +822,37 @@ 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.
@ -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 },