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Diffstat (limited to 'Core/EM/PlatformToDriver/PlatformToDriver.c')
| -rw-r--r-- | Core/EM/PlatformToDriver/PlatformToDriver.c | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/Core/EM/PlatformToDriver/PlatformToDriver.c b/Core/EM/PlatformToDriver/PlatformToDriver.c new file mode 100644 index 0000000..4077656 --- /dev/null +++ b/Core/EM/PlatformToDriver/PlatformToDriver.c @@ -0,0 +1,199 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//********************************************************************** +// $Header: /Alaska/BIN/Core/Modules/PlatformToDriverConfiguration/PlatformToDriver.c 1 5/02/11 5:30p Artems $ +// +// $Revision: 1 $ +// +// $Date: 5/02/11 5:30p $ +//********************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/BIN/Core/Modules/PlatformToDriverConfiguration/PlatformToDriver.c $ +// +// 1 5/02/11 5:30p Artems +// Platform-to-Driver confuguration protocol supporting infrastructure +// +//********************************************************************** +//<AMI_FHDR_START> +// +// Name: PlatformToDriver.c +// +// Description: +// +//<AMI_FHDR_END> +//********************************************************************** +#include <Token.h> +#include <AmiDxeLib.h> +#include <Protocol\PlatformToDriverConfiguration.h> + +typedef EFI_STATUS (PLATFORM_TO_DRIVER_AGENT_SUPPORTED) ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL +); + +typedef EFI_STATUS (PLATFORM_TO_DRIVER_AGENT_QUERY) ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN UINTN *Instance, + OUT EFI_GUID **ParameterTypeGuid, + OUT VOID **ParameterBlock, + OUT UINTN *ParameterBlockSize +); + +typedef EFI_STATUS (PLATFORM_TO_DRIVER_AGENT_RESPONSE) ( + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN UINTN *Instance, + IN EFI_GUID *ParameterTypeGuid, + IN VOID *ParameterBlock, + IN UINTN ParameterBlockSize, + IN EFI_PLATFORM_CONFIGURATION_ACTION ConfigurationAction +); + +typedef struct{ + PLATFORM_TO_DRIVER_AGENT_SUPPORTED *Supported; + PLATFORM_TO_DRIVER_AGENT_QUERY *Query; + PLATFORM_TO_DRIVER_AGENT_RESPONSE *Response; +} PLATFORM_TO_DRIVER_AGENT; + + +#define OEM_PLATFORM_TO_DRIVER_AGENT(Supported, Query, Response) Supported +extern PLATFORM_TO_DRIVER_AGENT_SUPPORTED PlatformToDriverAgentList EndOfList1; +#undef OEM_PLATFORM_TO_DRIVER_AGENT + +#define OEM_PLATFORM_TO_DRIVER_AGENT(Supported, Query, Response) Query +extern PLATFORM_TO_DRIVER_AGENT_QUERY PlatformToDriverAgentList EndOfList2; +#undef OEM_PLATFORM_TO_DRIVER_AGENT + +#define OEM_PLATFORM_TO_DRIVER_AGENT(Supported, Query, Response) Response +extern PLATFORM_TO_DRIVER_AGENT_RESPONSE PlatformToDriverAgentList EndOfList3; +#undef OEM_PLATFORM_TO_DRIVER_AGENT + +#define OEM_PLATFORM_TO_DRIVER_AGENT(Supported, Query, Response) { Supported, Query, Response } +PLATFORM_TO_DRIVER_AGENT AgentList[] = { + PlatformToDriverAgentList + { NULL, NULL, NULL } +}; + +EFI_HANDLE CurrentControllerHandle = NULL; +UINT32 CurrentAgentIndex; + +EFI_STATUS PlatformToDriverConfigurationQuery ( + IN EFI_PLATFORM_TO_DRIVER_CONFIGURATION_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN UINTN *Instance, + OUT EFI_GUID **ParameterTypeGuid, + OUT VOID **ParameterBlock, + OUT UINTN *ParameterBlockSize +) +{ + EFI_STATUS Status; + + if(ControllerHandle == NULL || Instance == NULL) + return EFI_INVALID_PARAMETER; + + if(ControllerHandle != CurrentControllerHandle) { + CurrentAgentIndex = 0; + Status = EFI_UNSUPPORTED; + while(AgentList[CurrentAgentIndex].Supported != NULL) { + Status = AgentList[CurrentAgentIndex].Supported(ControllerHandle, ChildHandle); + if(!EFI_ERROR(Status)) + break; + CurrentAgentIndex++; + } + if(EFI_ERROR(Status)) { + CurrentControllerHandle = NULL; + return EFI_NOT_FOUND; + } + + CurrentControllerHandle = ControllerHandle; + } + + return AgentList[CurrentAgentIndex].Query(ControllerHandle, + ChildHandle, + Instance, + ParameterTypeGuid, + ParameterBlock, + ParameterBlockSize); +} + +EFI_STATUS PlatformToDriverConfigurationResponse ( + IN EFI_PLATFORM_TO_DRIVER_CONFIGURATION_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN UINTN *Instance, + IN EFI_GUID *ParameterTypeGuid, + IN VOID *ParameterBlock, + IN UINTN ParameterBlockSize, + IN EFI_PLATFORM_CONFIGURATION_ACTION ConfigurationAction +) +{ + if(ControllerHandle == NULL || Instance == NULL) + return EFI_INVALID_PARAMETER; + + if(ControllerHandle != CurrentControllerHandle) + return EFI_NOT_FOUND; + + return AgentList[CurrentAgentIndex].Response(ControllerHandle, + ChildHandle, + Instance, + ParameterTypeGuid, + ParameterBlock, + ParameterBlockSize, + ConfigurationAction); +} + +EFI_PLATFORM_TO_DRIVER_CONFIGURATION_PROTOCOL EfiPlatformToDriverConfigurationProtocol = { + PlatformToDriverConfigurationQuery, + PlatformToDriverConfigurationResponse +}; + +EFI_STATUS PlatformToDriverEntryPoint( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable +) +{ + EFI_STATUS Status; + EFI_HANDLE Handle = NULL; + + InitAmiLib(ImageHandle,SystemTable); + + Status = pBS->InstallMultipleProtocolInterfaces( + &Handle, + &gEfiPlatformToDriverConfigurationProtocolGuid, + &EfiPlatformToDriverConfigurationProtocol, + NULL); + + + return Status; +} + + + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2011, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//**********************************************************************
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