Revision: 17985
http://sourceforge.net/p/edk2/code/17985
Author: hwu1225
Date: 2015-07-15 03:16:42 +0000 (Wed, 15 Jul 2015)
Log Message:
-----------
MdePkg: Add BMC device path definition and its node/text conversion
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <[email protected]>
Reviewed-by: Feng Tian <[email protected]>
Modified Paths:
--------------
trunk/edk2/MdePkg/Include/Protocol/DevicePath.h
trunk/edk2/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
trunk/edk2/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
Modified: trunk/edk2/MdePkg/Include/Protocol/DevicePath.h
===================================================================
--- trunk/edk2/MdePkg/Include/Protocol/DevicePath.h 2015-07-15 03:15:49 UTC
(rev 17984)
+++ trunk/edk2/MdePkg/Include/Protocol/DevicePath.h 2015-07-15 03:16:42 UTC
(rev 17985)
@@ -172,6 +172,26 @@
} 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.
///
#define ACPI_DEVICE_PATH 0x02
@@ -1186,6 +1206,7 @@
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 @@
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;
Modified: trunk/edk2/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
===================================================================
--- trunk/edk2/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
2015-07-15 03:15:49 UTC (rev 17984)
+++ trunk/edk2/MdePkg/Library/UefiDevicePathLib/DevicePathFromText.c
2015-07-15 03:16:42 UTC (rev 17985)
@@ -794,6 +794,40 @@
}
/**
+ 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.
@param TextDeviceNode The input Text device path node.
@@ -3423,6 +3457,7 @@
{L"MemoryMapped", DevPathFromTextMemoryMapped },
{L"VenHw", DevPathFromTextVenHw },
{L"Ctrl", DevPathFromTextCtrl },
+ {L"Bmc", DevPathFromTextBmc },
{L"AcpiPath", DevPathFromTextAcpiPath },
{L"Acpi", DevPathFromTextAcpi },
Modified: trunk/edk2/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
===================================================================
--- trunk/edk2/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
2015-07-15 03:15:49 UTC (rev 17984)
+++ trunk/edk2/MdePkg/Library/UefiDevicePathLib/DevicePathToText.c
2015-07-15 03:16:42 UTC (rev 17985)
@@ -307,6 +307,38 @@
}
/**
+ 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.
@param Str The string representative of input device.
@@ -2089,6 +2121,7 @@
{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 },
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