/** @file\r
Support functions to connect/disconnect UEFI Driver model Protocol\r
\r
-Copyright (c) 2006 - 2008, Intel Corporation. <BR>\r
-All rights reserved. This program and the accompanying materials\r
+Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>\r
+This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
**/\r
\r
#include "DxeMain.h"\r
+#include "Handle.h"\r
\r
\r
//\r
/**\r
Connects one or more drivers to a controller.\r
\r
- @param ControllerHandle Handle of the controller to be\r
- connected.\r
- @param DriverImageHandle DriverImageHandle A pointer to an\r
- ordered list of driver image\r
- handles.\r
- @param RemainingDevicePath RemainingDevicePath A pointer to\r
- the device path that specifies a\r
- child of the controller specified\r
- by ControllerHandle.\r
- @param Recursive Whether the function would be\r
- called recursively or not.\r
-\r
- @return Status code.\r
+ @param ControllerHandle The handle of the controller to which driver(s) are to be connected.\r
+ @param DriverImageHandle A pointer to an ordered list handles that support the\r
+ EFI_DRIVER_BINDING_PROTOCOL.\r
+ @param RemainingDevicePath A pointer to the device path that specifies a child of the\r
+ controller specified by ControllerHandle.\r
+ @param Recursive If TRUE, then ConnectController() is called recursively\r
+ until the entire tree of controllers below the controller specified\r
+ by ControllerHandle have been created. If FALSE, then\r
+ the tree of controllers is only expanded one level.\r
+\r
+ @retval EFI_SUCCESS 1) One or more drivers were connected to ControllerHandle.\r
+ 2) No drivers were connected to ControllerHandle, but\r
+ RemainingDevicePath is not NULL, and it is an End Device\r
+ Path Node.\r
+ @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
+ @retval EFI_NOT_FOUND 1) There are no EFI_DRIVER_BINDING_PROTOCOL instances\r
+ present in the system.\r
+ 2) No drivers were connected to ControllerHandle.\r
+ @retval EFI_SECURITY_VIOLATION \r
+ The user has no permission to start UEFI device drivers on the device path \r
+ associated with the ControllerHandle or specified by the RemainingDevicePath.\r
\r
**/\r
EFI_STATUS\r
EFI_HANDLE *ChildHandleBuffer;\r
UINTN ChildHandleCount;\r
UINTN Index;\r
+ UINTN HandleFilePathSize;\r
+ UINTN RemainingDevicePathSize;\r
+ EFI_DEVICE_PATH_PROTOCOL *HandleFilePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *FilePath;\r
+ EFI_DEVICE_PATH_PROTOCOL *TempFilePath;\r
\r
//\r
// Make sure ControllerHandle is valid\r
return Status;\r
}\r
\r
+ if (gSecurity2 != NULL) {\r
+ //\r
+ // Check whether the user has permission to start UEFI device drivers.\r
+ //\r
+ Status = CoreHandleProtocol (ControllerHandle, &gEfiDevicePathProtocolGuid, (VOID **)&HandleFilePath);\r
+ if (!EFI_ERROR (Status)) {\r
+ ASSERT (HandleFilePath != NULL);\r
+ FilePath = HandleFilePath;\r
+ TempFilePath = NULL;\r
+ if (RemainingDevicePath != NULL && !Recursive) {\r
+ HandleFilePathSize = GetDevicePathSize (HandleFilePath) - sizeof (EFI_DEVICE_PATH_PROTOCOL);\r
+ RemainingDevicePathSize = GetDevicePathSize (RemainingDevicePath);\r
+ TempFilePath = AllocateZeroPool (HandleFilePathSize + RemainingDevicePathSize);\r
+ ASSERT (TempFilePath != NULL);\r
+ CopyMem (TempFilePath, HandleFilePath, HandleFilePathSize);\r
+ CopyMem ((UINT8 *) TempFilePath + HandleFilePathSize, RemainingDevicePath, RemainingDevicePathSize);\r
+ FilePath = TempFilePath;\r
+ }\r
+ Status = gSecurity2->FileAuthentication (\r
+ gSecurity2,\r
+ FilePath,\r
+ NULL,\r
+ 0,\r
+ FALSE\r
+ );\r
+ if (TempFilePath != NULL) {\r
+ FreePool (TempFilePath);\r
+ }\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+ }\r
+ }\r
+ \r
Handle = ControllerHandle;\r
\r
//\r
UINTN NewDriverBindingHandleCount;\r
EFI_HANDLE *NewDriverBindingHandleBuffer;\r
EFI_DRIVER_BINDING_PROTOCOL *DriverBinding;\r
+ EFI_DRIVER_FAMILY_OVERRIDE_PROTOCOL *DriverFamilyOverride;\r
UINTN NumberOfSortedDriverBindingProtocols;\r
EFI_DRIVER_BINDING_PROTOCOL **SortedDriverBindingProtocols;\r
+ UINT32 DriverFamilyOverrideVersion;\r
UINT32 HighestVersion;\r
UINTN HighestIndex;\r
UINTN SortIndex;\r
} while (!EFI_ERROR (Status));\r
}\r
\r
+ //\r
+ // Add the Driver Family Override Protocol drivers for ControllerHandle\r
+ //\r
+ while (TRUE) {\r
+ HighestIndex = DriverBindingHandleCount;\r
+ HighestVersion = 0;\r
+ for (Index = 0; Index < DriverBindingHandleCount; Index++) {\r
+ Status = CoreHandleProtocol (\r
+ DriverBindingHandleBuffer[Index],\r
+ &gEfiDriverFamilyOverrideProtocolGuid,\r
+ (VOID **) &DriverFamilyOverride\r
+ );\r
+ if (!EFI_ERROR (Status) && (DriverFamilyOverride != NULL)) {\r
+ DriverFamilyOverrideVersion = DriverFamilyOverride->GetVersion (DriverFamilyOverride);\r
+ if ((HighestIndex == DriverBindingHandleCount) || (DriverFamilyOverrideVersion > HighestVersion)) {\r
+ HighestVersion = DriverFamilyOverrideVersion;\r
+ HighestIndex = Index;\r
+ }\r
+ }\r
+ }\r
+\r
+ if (HighestIndex == DriverBindingHandleCount) {\r
+ break;\r
+ }\r
+\r
+ AddSortedDriverBindingProtocol (\r
+ DriverBindingHandleBuffer[HighestIndex],\r
+ &NumberOfSortedDriverBindingProtocols,\r
+ SortedDriverBindingProtocols,\r
+ DriverBindingHandleCount,\r
+ DriverBindingHandleBuffer,\r
+ FALSE\r
+ );\r
+ }\r
+\r
//\r
// Get the Bus Specific Driver Override Protocol instance on the Controller Handle\r
//\r
for (Index = 0; (Index < NumberOfSortedDriverBindingProtocols) && !DriverFound; Index++) {\r
if (SortedDriverBindingProtocols[Index] != NULL) {\r
DriverBinding = SortedDriverBindingProtocols[Index];\r
+ PERF_START (DriverBinding->DriverBindingHandle, "DB:Support:", NULL, 0);\r
Status = DriverBinding->Supported(\r
DriverBinding,\r
ControllerHandle,\r
RemainingDevicePath\r
);\r
+ PERF_END (DriverBinding->DriverBindingHandle, "DB:Support:", NULL, 0);\r
if (!EFI_ERROR (Status)) {\r
SortedDriverBindingProtocols[Index] = NULL;\r
DriverFound = TRUE;\r
// A driver was found that supports ControllerHandle, so attempt to start the driver\r
// on ControllerHandle.\r
//\r
- PERF_START (DriverBinding->DriverBindingHandle, DRIVERBINDING_START_TOK, NULL, 0);\r
+ PERF_START (DriverBinding->DriverBindingHandle, "DB:Start:", NULL, 0);\r
Status = DriverBinding->Start (\r
DriverBinding,\r
ControllerHandle,\r
RemainingDevicePath\r
);\r
- PERF_END (DriverBinding->DriverBindingHandle, DRIVERBINDING_START_TOK, NULL, 0);\r
+ PERF_END (DriverBinding->DriverBindingHandle, "DB:Start:", NULL, 0);\r
\r
if (!EFI_ERROR (Status)) {\r
//\r
@retval EFI_SUCCESS DriverImageHandle is not NULL,\r
and on entry DriverImageHandle is\r
not managing ControllerHandle.\r
- @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid\r
- EFI_HANDLE.\r
+ @retval EFI_INVALID_PARAMETER ControllerHandle is NULL.\r
@retval EFI_INVALID_PARAMETER DriverImageHandle is not NULL,\r
and it is not a valid EFI_HANDLE.\r
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL, and it\r
&gEfiDriverBindingProtocolGuid,\r
(VOID **)&DriverBinding\r
);\r
- if (EFI_ERROR (Status)) {\r
+ if (EFI_ERROR (Status) || DriverBinding == NULL) {\r
Status = EFI_INVALID_PARAMETER;\r
goto Done;\r
}\r
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