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MdePkg: Add BMC device path definition and its node/text conversion 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17985 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Hao Wu 2015-07-15 03:16:42 +00:00 committed by hwu1225
parent c8c2815802
commit 624f017e17
3 changed files with 90 additions and 0 deletions
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22
MdePkg/Include/Protocol/DevicePath.h
View File

@ -171,6 +171,26 @@ typedef struct {
UINT32 ControllerNumber;
} CONTROLLER_DEVICE_PATH;
///
/// BMC Device Path SubType.
///
#define HW_BMC_DP 0x06
///
/// BMC Device Path.
///
typedef struct {
EFI_DEVICE_PATH_PROTOCOL Header;
///
/// Interface Type.
///
UINT8 InterfaceType;
///
/// Base Address.
///
UINT8 BaseAddress[8];
} BMC_DEVICE_PATH;
///
/// ACPI Device Paths.
///
@ -1186,6 +1206,7 @@ typedef union {
VENDOR_DEVICE_PATH Vendor;
CONTROLLER_DEVICE_PATH Controller;
BMC_DEVICE_PATH Bmc;
ACPI_HID_DEVICE_PATH Acpi;
ACPI_EXTENDED_HID_DEVICE_PATH ExtendedAcpi;
ACPI_ADR_DEVICE_PATH AcpiAdr;
@ -1241,6 +1262,7 @@ typedef union {
VENDOR_DEVICE_PATH *Vendor;
CONTROLLER_DEVICE_PATH *Controller;
BMC_DEVICE_PATH *Bmc;
ACPI_HID_DEVICE_PATH *Acpi;
ACPI_EXTENDED_HID_DEVICE_PATH *ExtendedAcpi;
ACPI_ADR_DEVICE_PATH *AcpiAdr;

35
MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
View File

@ -793,6 +793,40 @@ DevPathFromTextCtrl (
return (EFI_DEVICE_PATH_PROTOCOL *) Controller;
}
/**
Converts a text device path node to BMC device path structure.
@param TextDeviceNode The input Text device path node.
@return A pointer to the newly-created BMC device path structure.
**/
EFI_DEVICE_PATH_PROTOCOL *
DevPathFromTextBmc (
IN CHAR16 *TextDeviceNode
)
{
CHAR16 *InterfaceTypeStr;
CHAR16 *BaseAddressStr;
BMC_DEVICE_PATH *BmcDp;
InterfaceTypeStr = GetNextParamStr (&TextDeviceNode);
BaseAddressStr = GetNextParamStr (&TextDeviceNode);
BmcDp = (BMC_DEVICE_PATH *) CreateDeviceNode (
HARDWARE_DEVICE_PATH,
HW_BMC_DP,
(UINT16) sizeof (BMC_DEVICE_PATH)
);
BmcDp->InterfaceType = (UINT8) Strtoi (InterfaceTypeStr);
WriteUnaligned64 (
(UINT64 *) (&BmcDp->BaseAddress),
StrHexToUint64 (BaseAddressStr)
);
return (EFI_DEVICE_PATH_PROTOCOL *) BmcDp;
}
/**
Converts a generic ACPI text device path node to ACPI device path structure.
@ -3423,6 +3457,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE mUefiDevicePathLibDevP
{L"MemoryMapped", DevPathFromTextMemoryMapped },
{L"VenHw", DevPathFromTextVenHw },
{L"Ctrl", DevPathFromTextCtrl },
{L"Bmc", DevPathFromTextBmc },
{L"AcpiPath", DevPathFromTextAcpiPath },
{L"Acpi", DevPathFromTextAcpi },

33
MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
View File

@ -306,6 +306,38 @@ DevPathToTextController (
);
}
/**
Converts a BMC 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
DevPathToTextBmc (
IN OUT POOL_PRINT *Str,
IN VOID *DevPath,
IN BOOLEAN DisplayOnly,
IN BOOLEAN AllowShortcuts
)
{
BMC_DEVICE_PATH *Bmc;
Bmc = DevPath;
UefiDevicePathLibCatPrint (
Str,
L"Bmc(0x%x,0x%lx)",
Bmc->InterfaceType,
ReadUnaligned64 ((UINT64 *) (&Bmc->BaseAddress))
);
}
/**
Converts a ACPI device path structure to its string representative.
@ -2089,6 +2121,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED const DEVICE_PATH_TO_TEXT_TABLE mUefiDevicePathLib
{HARDWARE_DEVICE_PATH, HW_MEMMAP_DP, DevPathToTextMemMap },
{HARDWARE_DEVICE_PATH, HW_VENDOR_DP, DevPathToTextVendor },
{HARDWARE_DEVICE_PATH, HW_CONTROLLER_DP, DevPathToTextController },
{HARDWARE_DEVICE_PATH, HW_BMC_DP, DevPathToTextBmc },
{ACPI_DEVICE_PATH, ACPI_DP, DevPathToTextAcpi },
{ACPI_DEVICE_PATH, ACPI_EXTENDED_DP, DevPathToTextAcpiEx },
{ACPI_DEVICE_PATH, ACPI_ADR_DP, DevPathToTextAcpiAdr },