diff options
2 files changed, 405 insertions, 0 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/Compatibility/SmmSxDispatch2OnSmmSxDispatchThunk/SmmSxDispatch2OnSmmSxDispatchThunk.c b/Platform/BroxtonPlatformPkg/Common/Compatibility/SmmSxDispatch2OnSmmSxDispatchThunk/SmmSxDispatch2OnSmmSxDispatchThunk.c new file mode 100644 index 0000000000..96a82e6b17 --- /dev/null +++ b/Platform/BroxtonPlatformPkg/Common/Compatibility/SmmSxDispatch2OnSmmSxDispatchThunk/SmmSxDispatch2OnSmmSxDispatchThunk.c @@ -0,0 +1,355 @@ +/** @file
+ SMM SxDispatch2 Protocol on SMM SxDispatch Protocol Thunk driver.
+
+ Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>
+
+ This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php.
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#include <PiDxe.h>
+#include <Protocol/SmmSxDispatch2.h>
+#include <Protocol/SmmSxDispatch.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/UefiDriverEntryPoint.h>
+#include <Library/SmmServicesTableLib.h>
+#include <Library/BaseLib.h>
+#include <Library/DebugLib.h>
+
+typedef struct {
+ LIST_ENTRY Link;
+ EFI_HANDLE DispatchHandle;
+ UINTN DispatchFunction;
+} EFI_SMM_SX_DISPATCH2_THUNK_CONTEXT;
+
+
+/**
+ Provides the parent dispatch service for a given Sx source generator.
+
+ This service registers a function (DispatchFunction) which will be called when the sleep state
+ event specified by RegisterContext is detected. On return, DispatchHandle contains a
+ unique handle which may be used later to unregister the function using UnRegister().
+ The DispatchFunction will be called with Context set to the same value as was passed into
+ this function in RegisterContext and with CommBuffer and CommBufferSize set to
+ NULL and 0 respectively.
+
+ @param[in] This Pointer to the EFI_SMM_SX_DISPATCH2_PROTOCOL instance.
+ @param[in] DispatchFunction Function to register for handler when the specified sleep state event occurs.
+ @param[in] RegisterContext Pointer to the dispatch function's context.
+ The caller fills this context in before calling
+ the register function to indicate to the register
+ function which Sx state type and phase the caller
+ wishes to be called back on. For this intertace,
+ the Sx driver will call the registered handlers for
+ all Sx type and phases, so the Sx state handler(s)
+ must check the Type and Phase field of the Dispatch
+ context and act accordingly.
+ @param[out] DispatchHandle Handle of dispatch function, for when interfacing
+ with the parent Sx state SMM driver.
+
+ @retval EFI_SUCCESS The dispatch function has been successfully
+ registered and the SMI source has been enabled.
+ @retval EFI_UNSUPPORTED The Sx driver or hardware does not support that
+ Sx Type/Phase.
+ @retval EFI_DEVICE_ERROR The Sx driver was unable to enable the SMI source.
+ @retval EFI_INVALID_PARAMETER RegisterContext is invalid. Type & Phase are not
+ within valid range.
+ @retval EFI_OUT_OF_RESOURCES There is not enough memory (system or SMM) to manage this
+ child.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmSxDispatch2Register (
+ IN CONST EFI_SMM_SX_DISPATCH2_PROTOCOL *This,
+ IN EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction,
+ IN CONST EFI_SMM_SX_REGISTER_CONTEXT *RegisterContext,
+ OUT EFI_HANDLE *DispatchHandle
+ );
+
+
+/**
+ Unregisters an Sx-state service.
+
+ This service removes the handler associated with DispatchHandle so that it will no longer be
+ called in response to sleep event.
+
+ @param[in] This Pointer to the EFI_SMM_SX_DISPATCH2_PROTOCOL instance.
+ @param[in] DispatchHandle Handle of the service to remove.
+
+ @retval EFI_SUCCESS The service has been successfully removed.
+ @retval EFI_INVALID_PARAMETER The DispatchHandle was not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmSxDispatch2UnRegister (
+ IN CONST EFI_SMM_SX_DISPATCH2_PROTOCOL *This,
+ IN EFI_HANDLE DispatchHandle
+ );
+
+EFI_SMM_SX_DISPATCH2_PROTOCOL gSmmSxDispatch2 = {
+ SmmSxDispatch2Register,
+ SmmSxDispatch2UnRegister
+};
+
+EFI_SMM_SX_DISPATCH_PROTOCOL *mSmmSxDispatch;
+
+LIST_ENTRY mSmmSxDispatch2ThunkQueue = INITIALIZE_LIST_HEAD_VARIABLE (mSmmSxDispatch2ThunkQueue);
+
+
+/**
+ This function find SmmSxDispatch2Context by DispatchHandle.
+
+ @param[in] DispatchHandle The DispatchHandle to indentify the SmmSxDispatch2Thunk context
+
+ @return SmmSxDispatch2Thunk context
+
+**/
+EFI_SMM_SX_DISPATCH2_THUNK_CONTEXT *
+FindSmmSxDispatch2ContextByDispatchHandle (
+ IN EFI_HANDLE DispatchHandle
+ )
+{
+ LIST_ENTRY *Link;
+ EFI_SMM_SX_DISPATCH2_THUNK_CONTEXT *ThunkContext;
+
+ for (Link = mSmmSxDispatch2ThunkQueue.ForwardLink;
+ Link != &mSmmSxDispatch2ThunkQueue;
+ Link = Link->ForwardLink) {
+ ThunkContext = BASE_CR (
+ Link,
+ EFI_SMM_SX_DISPATCH2_THUNK_CONTEXT,
+ Link
+ );
+ if (ThunkContext->DispatchHandle == DispatchHandle) {
+ return ThunkContext;
+ }
+ }
+
+ return NULL;
+}
+
+
+/**
+ Framework dispatch function for a Sx SMI handler.
+
+ @param[in] DispatchHandle The handle of this dispatch function.
+ @param[in] DispatchContext The pointer to the dispatch function's context.
+
+ @retval None
+
+**/
+VOID
+EFIAPI
+FrameworkDispatchFunction (
+ IN EFI_HANDLE DispatchHandle,
+ IN EFI_SMM_SX_DISPATCH_CONTEXT *DispatchContext
+ )
+{
+ EFI_SMM_SX_DISPATCH2_THUNK_CONTEXT *ThunkContext;
+ EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction;
+ EFI_SMM_SX_REGISTER_CONTEXT RegisterContext;
+ UINTN Size;
+
+ //
+ // Construct new context
+ //
+ RegisterContext.Type = DispatchContext->Type;
+ RegisterContext.Phase = DispatchContext->Phase;
+
+ //
+ // Dispatch
+ //
+ Size = 0;
+ //
+ // Search context
+ //
+ ThunkContext = FindSmmSxDispatch2ContextByDispatchHandle (DispatchHandle);
+ ASSERT (ThunkContext != NULL);
+ if (ThunkContext == NULL) {
+ return ;
+ }
+
+ DispatchFunction = (EFI_SMM_HANDLER_ENTRY_POINT2) ThunkContext->DispatchFunction;
+ DispatchFunction (
+ DispatchHandle,
+ &RegisterContext,
+ NULL,
+ &Size
+ );
+
+ return ;
+}
+
+
+/**
+ Provides the parent dispatch service for a given Sx source generator.
+
+ This service registers a function (DispatchFunction) which will be called when the sleep state
+ event specified by RegisterContext is detected. On return, DispatchHandle contains a
+ unique handle which may be used later to unregister the function using UnRegister().
+ The DispatchFunction will be called with Context set to the same value as was passed into
+ this function in RegisterContext and with CommBuffer and CommBufferSize set to
+ NULL and 0 respectively.
+
+ @param[in] This Pointer to the EFI_SMM_SX_DISPATCH2_PROTOCOL instance.
+ @param[in] DispatchFunction Function to register for handler when the specified sleep state event occurs.
+ @param[in] RegisterContext Pointer to the dispatch function's context.
+ The caller fills this context in before calling
+ the register function to indicate to the register
+ function which Sx state type and phase the caller
+ wishes to be called back on. For this intertace,
+ the Sx driver will call the registered handlers for
+ all Sx type and phases, so the Sx state handler(s)
+ must check the Type and Phase field of the Dispatch
+ context and act accordingly.
+ @param[out] DispatchHandle Handle of dispatch function, for when interfacing
+ with the parent Sx state SMM driver.
+
+ @retval EFI_SUCCESS The dispatch function has been successfully
+ registered and the SMI source has been enabled.
+ @retval EFI_UNSUPPORTED The Sx driver or hardware does not support that
+ Sx Type/Phase.
+ @retval EFI_DEVICE_ERROR The Sx driver was unable to enable the SMI source.
+ @retval EFI_INVALID_PARAMETER RegisterContext is invalid. Type & Phase are not
+ within valid range.
+ @retval EFI_OUT_OF_RESOURCES There is not enough memory (system or SMM) to manage this
+ child.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmSxDispatch2Register (
+ IN CONST EFI_SMM_SX_DISPATCH2_PROTOCOL *This,
+ IN EFI_SMM_HANDLER_ENTRY_POINT2 DispatchFunction,
+ IN CONST EFI_SMM_SX_REGISTER_CONTEXT *RegisterContext,
+ OUT EFI_HANDLE *DispatchHandle
+ )
+{
+ EFI_SMM_SX_DISPATCH2_THUNK_CONTEXT *ThunkContext;
+ EFI_SMM_SX_DISPATCH_CONTEXT DispatchContext;
+ EFI_STATUS Status;
+
+ DispatchContext.Type = RegisterContext->Type;
+ DispatchContext.Phase = RegisterContext->Phase;
+
+ Status = mSmmSxDispatch->Register (
+ mSmmSxDispatch,
+ FrameworkDispatchFunction,
+ &DispatchContext,
+ DispatchHandle
+ );
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Register
+ //
+ Status = gSmst->SmmAllocatePool (
+ EfiRuntimeServicesData,
+ sizeof (EFI_SMM_SX_DISPATCH2_THUNK_CONTEXT),
+ (VOID **) &ThunkContext
+ );
+ ASSERT_EFI_ERROR (Status);
+ if (EFI_ERROR (Status)) {
+ mSmmSxDispatch->UnRegister (mSmmSxDispatch, *DispatchHandle);
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ ThunkContext->DispatchFunction = (UINTN) DispatchFunction;
+ ThunkContext->DispatchHandle = *DispatchHandle;
+ InsertTailList (&mSmmSxDispatch2ThunkQueue, &ThunkContext->Link);
+ }
+
+ return Status;
+}
+
+
+/**
+ Unregisters an Sx-state service.
+
+ This service removes the handler associated with DispatchHandle so that it will no longer be
+ called in response to sleep event.
+
+ @param[in] This Pointer to the EFI_SMM_SX_DISPATCH2_PROTOCOL instance.
+ @param[in] DispatchHandle Handle of the service to remove.
+
+ @retval EFI_SUCCESS The service has been successfully removed.
+ @retval EFI_INVALID_PARAMETER The DispatchHandle was not valid.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmSxDispatch2UnRegister (
+ IN CONST EFI_SMM_SX_DISPATCH2_PROTOCOL *This,
+ IN EFI_HANDLE DispatchHandle
+ )
+{
+ EFI_SMM_SX_DISPATCH2_THUNK_CONTEXT *ThunkContext;
+ EFI_STATUS Status;
+
+ Status = mSmmSxDispatch->UnRegister (mSmmSxDispatch, DispatchHandle);
+ if (!EFI_ERROR (Status)) {
+ //
+ // Unregister
+ //
+ ThunkContext = FindSmmSxDispatch2ContextByDispatchHandle (DispatchHandle);
+ ASSERT (ThunkContext != NULL);
+ if (ThunkContext != NULL) {
+ RemoveEntryList (&ThunkContext->Link);
+ gSmst->SmmFreePool (ThunkContext);
+ }
+ }
+
+ return Status;
+}
+
+
+/**
+ Entry Point for this thunk driver.
+
+ @param[in] ImageHandle Image handle of this driver.
+ @param[in] SystemTable A Pointer to the EFI System Table.
+
+ @retval EFI_SUCCESS The entry point is executed successfully.
+ @retval other Some error occurred when executing this entry point.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmSxDispatch2ThunkMain (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+{
+ EFI_STATUS Status;
+
+ //
+ // Locate Framework SMM SxDispatch Protocol
+ //
+ Status = gBS->LocateProtocol (&gEfiSmmSxDispatchProtocolGuid, NULL, (VOID **) &mSmmSxDispatch);
+ ASSERT_EFI_ERROR (Status);
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Publish PI SMM SxDispatch2 Protocol
+ //
+ ImageHandle = NULL;
+ Status = gSmst->SmmInstallProtocolInterface (
+ &ImageHandle,
+ &gEfiSmmSxDispatch2ProtocolGuid,
+ EFI_NATIVE_INTERFACE,
+ &gSmmSxDispatch2
+ );
+ ASSERT_EFI_ERROR (Status);
+ return Status;
+}
+
diff --git a/Platform/BroxtonPlatformPkg/Common/Compatibility/SmmSxDispatch2OnSmmSxDispatchThunk/SmmSxDispatch2OnSmmSxDispatchThunk.inf b/Platform/BroxtonPlatformPkg/Common/Compatibility/SmmSxDispatch2OnSmmSxDispatchThunk/SmmSxDispatch2OnSmmSxDispatchThunk.inf new file mode 100644 index 0000000000..578ec07065 --- /dev/null +++ b/Platform/BroxtonPlatformPkg/Common/Compatibility/SmmSxDispatch2OnSmmSxDispatchThunk/SmmSxDispatch2OnSmmSxDispatchThunk.inf @@ -0,0 +1,50 @@ +## @file
+# Component description file for SMM SxDispatch2 Protocol on SMM SxDispatch Protocol Thunk driver.
+#
+# Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved.<BR>
+#
+# This program and the accompanying materials
+# are licensed and made available under the terms and conditions of the BSD License
+# which accompanies this distribution. The full text of the license may be found at
+# http://opensource.org/licenses/bsd-license.php.
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010017
+ BASE_NAME = SmmSxDispatch2OnSmmSxDispatchThunk
+ FILE_GUID = E2406FEC-6609-4385-AB3D-4535B6C7C46D
+ VERSION_STRING = 1.0
+ MODULE_TYPE = DXE_SMM_DRIVER
+ PI_SPECIFICATION_VERSION = 1.10
+ ENTRY_POINT = SmmSxDispatch2ThunkMain
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[LibraryClasses]
+ UefiDriverEntryPoint
+ UefiBootServicesTableLib
+ SmmServicesTableLib
+ BaseLib
+ DebugLib
+
+[Packages]
+ MdePkg/MdePkg.dec
+ IntelFrameworkPkg/IntelFrameworkPkg.dec
+
+[Sources]
+ SmmSxDispatch2OnSmmSxDispatchThunk.c
+
+[Protocols]
+ gEfiSmmSxDispatchProtocolGuid ## CONSUMES
+ gEfiSmmSxDispatch2ProtocolGuid ## PRODUCES
+
+[Depex]
+ gEfiSmmSxDispatchProtocolGuid
+
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