diff options
author | Guo Mang <mang.guo@intel.com> | 2017-04-27 11:22:26 +0800 |
---|---|---|
committer | Guo Mang <mang.guo@intel.com> | 2017-04-27 11:22:26 +0800 |
commit | 38c2cbb9354d7f58e48f9f649f23eb9bd0d3cfca (patch) | |
tree | 1d4540cd9c19c47d10a161184c8f1a12f8ffc455 /UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationPei.c | |
parent | c6ff7c547bfc71da9d5e71a73984b9d3a4ea0809 (diff) | |
download | edk2-platforms-38c2cbb9354d7f58e48f9f649f23eb9bd0d3cfca.tar.xz |
UefiCpuPkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationPei.c')
-rw-r--r-- | UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationPei.c | 425 |
1 files changed, 0 insertions, 425 deletions
diff --git a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationPei.c b/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationPei.c deleted file mode 100644 index aaeaa06729..0000000000 --- a/UefiCpuPkg/PiSmmCommunication/PiSmmCommunicationPei.c +++ /dev/null @@ -1,425 +0,0 @@ -/** @file
-PiSmmCommunication PEI Driver.
-
-Copyright (c) 2010 - 2015, 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 <PiPei.h>
-#include <PiDxe.h>
-#include <PiSmm.h>
-#include <Library/PeiServicesTablePointerLib.h>
-#include <Library/PeiServicesLib.h>
-#include <Library/BaseLib.h>
-#include <Library/BaseMemoryLib.h>
-#include <Library/HobLib.h>
-#include <Library/DebugLib.h>
-#include <Protocol/SmmCommunication.h>
-#include <Ppi/SmmCommunication.h>
-#include <Ppi/SmmAccess.h>
-#include <Ppi/SmmControl.h>
-#include <Guid/AcpiS3Context.h>
-
-#include "PiSmmCommunicationPrivate.h"
-
-/**
- the whole picture is below:
-
- +----------------------------------+
- | ACPI_VARIABLE_HOB |
- | SmramDescriptor | <- DRAM
- | CpuStart |---
- +----------------------------------+ |
- |
- +----------------------------------+<--
- | SMM_S3_RESUME_STATE |
- | Signature | <- SMRAM
- | Smst |---
- +----------------------------------+ |
- |
- +----------------------------------+<--
- | EFI_SMM_SYSTEM_TABLE2 |
- | NumberOfTableEntries | <- SMRAM
- | SmmConfigurationTable |---
- +----------------------------------+ |
- |
- +----------------------------------+<--
- | EFI_SMM_COMMUNICATION_CONTEXT |
- | SwSmiNumber | <- SMRAM
- | BufferPtrAddress |----------------
- +----------------------------------+ |
- |
- +----------------------------------+ |
- | EFI_SMM_COMMUNICATION_ACPI_TABLE | |
- | SwSmiNumber | <- AcpiTable |
- | BufferPtrAddress |--- |
- +----------------------------------+ | |
- | |
- +----------------------------------+<---------------
- | Communication Buffer Pointer | <- AcpiNvs
- +----------------------------------+---
- |
- +----------------------------------+<--
- | EFI_SMM_COMMUNICATE_HEADER |
- | HeaderGuid | <- DRAM
- | MessageLength |
- +----------------------------------+
-
-**/
-
-#if defined (MDE_CPU_IA32)
-typedef struct {
- EFI_TABLE_HEADER Hdr;
- UINT64 SmmFirmwareVendor;
- UINT64 SmmFirmwareRevision;
- UINT64 SmmInstallConfigurationTable;
- UINT64 SmmIoMemRead;
- UINT64 SmmIoMemWrite;
- UINT64 SmmIoIoRead;
- UINT64 SmmIoIoWrite;
- UINT64 SmmAllocatePool;
- UINT64 SmmFreePool;
- UINT64 SmmAllocatePages;
- UINT64 SmmFreePages;
- UINT64 SmmStartupThisAp;
- UINT64 CurrentlyExecutingCpu;
- UINT64 NumberOfCpus;
- UINT64 CpuSaveStateSize;
- UINT64 CpuSaveState;
- UINT64 NumberOfTableEntries;
- UINT64 SmmConfigurationTable;
-} EFI_SMM_SYSTEM_TABLE2_64;
-
-typedef struct {
- EFI_GUID VendorGuid;
- UINT64 VendorTable;
-} EFI_CONFIGURATION_TABLE64;
-#endif
-
-#if defined (MDE_CPU_X64)
-typedef EFI_SMM_SYSTEM_TABLE2 EFI_SMM_SYSTEM_TABLE2_64;
-typedef EFI_CONFIGURATION_TABLE EFI_CONFIGURATION_TABLE64;
-#endif
-
-/**
- Communicates with a registered handler.
-
- This function provides a service to send and receive messages from a registered UEFI service.
-
- @param[in] This The EFI_PEI_SMM_COMMUNICATION_PPI instance.
- @param[in, out] CommBuffer A pointer to the buffer to convey into SMRAM.
- @param[in, out] CommSize The size of the data buffer being passed in.On exit, the size of data
- being returned. Zero if the handler does not wish to reply with any data.
-
- @retval EFI_SUCCESS The message was successfully posted.
- @retval EFI_INVALID_PARAMETER The CommBuffer was NULL.
- @retval EFI_NOT_STARTED The service is NOT started.
-**/
-EFI_STATUS
-EFIAPI
-Communicate (
- IN CONST EFI_PEI_SMM_COMMUNICATION_PPI *This,
- IN OUT VOID *CommBuffer,
- IN OUT UINTN *CommSize
- );
-
-EFI_PEI_SMM_COMMUNICATION_PPI mSmmCommunicationPpi = { Communicate };
-
-EFI_PEI_PPI_DESCRIPTOR mPpiList = {
- (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
- &gEfiPeiSmmCommunicationPpiGuid,
- &mSmmCommunicationPpi
-};
-
-/**
- Get SMM communication context.
-
- @return SMM communication context.
-**/
-EFI_SMM_COMMUNICATION_CONTEXT *
-GetCommunicationContext (
- VOID
- )
-{
- EFI_HOB_GUID_TYPE *GuidHob;
- EFI_SMM_COMMUNICATION_CONTEXT *SmmCommunicationContext;
-
- GuidHob = GetFirstGuidHob (&gEfiPeiSmmCommunicationPpiGuid);
- ASSERT (GuidHob != NULL);
-
- SmmCommunicationContext = (EFI_SMM_COMMUNICATION_CONTEXT *)GET_GUID_HOB_DATA (GuidHob);
-
- return SmmCommunicationContext;
-}
-
-/**
- Set SMM communication context.
-
- @param SmmCommunicationContext SMM communication context.
-**/
-VOID
-SetCommunicationContext (
- IN EFI_SMM_COMMUNICATION_CONTEXT *SmmCommunicationContext
- )
-{
- EFI_PEI_HOB_POINTERS Hob;
- UINTN BufferSize;
-
- BufferSize = sizeof (*SmmCommunicationContext);
- Hob.Raw = BuildGuidHob (
- &gEfiPeiSmmCommunicationPpiGuid,
- BufferSize
- );
- ASSERT (Hob.Raw);
-
- CopyMem ((VOID *)Hob.Raw, SmmCommunicationContext, sizeof(*SmmCommunicationContext));
-}
-
-/**
- Get VendorTable by VendorGuid in Smst.
-
- @param Signature Signature of SMM_S3_RESUME_STATE
- @param Smst SMM system table
- @param VendorGuid vendor guid
-
- @return vendor table.
-**/
-VOID *
-InternalSmstGetVendorTableByGuid (
- IN UINT64 Signature,
- IN EFI_SMM_SYSTEM_TABLE2 *Smst,
- IN EFI_GUID *VendorGuid
- )
-{
- EFI_CONFIGURATION_TABLE *SmmConfigurationTable;
- UINTN NumberOfTableEntries;
- UINTN Index;
- EFI_SMM_SYSTEM_TABLE2_64 *Smst64;
- EFI_CONFIGURATION_TABLE64 *SmmConfigurationTable64;
-
- if ((sizeof(UINTN) == sizeof(UINT32)) && (Signature == SMM_S3_RESUME_SMM_64)) {
- //
- // 32 PEI + 64 DXE
- //
- Smst64 = (EFI_SMM_SYSTEM_TABLE2_64 *)Smst;
- DEBUG ((EFI_D_INFO, "InitCommunicationContext - SmmConfigurationTable: %x\n", Smst64->SmmConfigurationTable));
- DEBUG ((EFI_D_INFO, "InitCommunicationContext - NumberOfTableEntries: %x\n", Smst64->NumberOfTableEntries));
- SmmConfigurationTable64 = (EFI_CONFIGURATION_TABLE64 *)(UINTN)Smst64->SmmConfigurationTable;
- NumberOfTableEntries = (UINTN)Smst64->NumberOfTableEntries;
- for (Index = 0; Index < NumberOfTableEntries; Index++) {
- if (CompareGuid (&SmmConfigurationTable64[Index].VendorGuid, VendorGuid)) {
- return (VOID *)(UINTN)SmmConfigurationTable64[Index].VendorTable;
- }
- }
- return NULL;
- } else {
- DEBUG ((EFI_D_INFO, "InitCommunicationContext - SmmConfigurationTable: %x\n", Smst->SmmConfigurationTable));
- DEBUG ((EFI_D_INFO, "InitCommunicationContext - NumberOfTableEntries: %x\n", Smst->NumberOfTableEntries));
- SmmConfigurationTable = Smst->SmmConfigurationTable;
- NumberOfTableEntries = Smst->NumberOfTableEntries;
- for (Index = 0; Index < NumberOfTableEntries; Index++) {
- if (CompareGuid (&SmmConfigurationTable[Index].VendorGuid, VendorGuid)) {
- return (VOID *)SmmConfigurationTable[Index].VendorTable;
- }
- }
- return NULL;
- }
-}
-
-/**
- Init SMM communication context.
-**/
-VOID
-InitCommunicationContext (
- VOID
- )
-{
- EFI_SMRAM_DESCRIPTOR *SmramDescriptor;
- SMM_S3_RESUME_STATE *SmmS3ResumeState;
- VOID *GuidHob;
- EFI_SMM_COMMUNICATION_CONTEXT *SmmCommunicationContext;
-
- GuidHob = GetFirstGuidHob (&gEfiAcpiVariableGuid);
- ASSERT (GuidHob != NULL);
- SmramDescriptor = (EFI_SMRAM_DESCRIPTOR *) GET_GUID_HOB_DATA (GuidHob);
- SmmS3ResumeState = (SMM_S3_RESUME_STATE *)(UINTN)SmramDescriptor->CpuStart;
-
- DEBUG ((EFI_D_INFO, "InitCommunicationContext - SmmS3ResumeState: %x\n", SmmS3ResumeState));
- DEBUG ((EFI_D_INFO, "InitCommunicationContext - Smst: %x\n", SmmS3ResumeState->Smst));
-
- SmmCommunicationContext = (EFI_SMM_COMMUNICATION_CONTEXT *)InternalSmstGetVendorTableByGuid (
- SmmS3ResumeState->Signature,
- (EFI_SMM_SYSTEM_TABLE2 *)(UINTN)SmmS3ResumeState->Smst,
- &gEfiPeiSmmCommunicationPpiGuid
- );
- ASSERT (SmmCommunicationContext != NULL);
-
- SetCommunicationContext (SmmCommunicationContext);
-
- return ;
-}
-
-/**
- Communicates with a registered handler.
-
- This function provides a service to send and receive messages from a registered UEFI service.
-
- @param[in] This The EFI_PEI_SMM_COMMUNICATION_PPI instance.
- @param[in, out] CommBuffer A pointer to the buffer to convey into SMRAM.
- @param[in, out] CommSize The size of the data buffer being passed in.On exit, the size of data
- being returned. Zero if the handler does not wish to reply with any data.
-
- @retval EFI_SUCCESS The message was successfully posted.
- @retval EFI_INVALID_PARAMETER The CommBuffer was NULL.
- @retval EFI_NOT_STARTED The service is NOT started.
-**/
-EFI_STATUS
-EFIAPI
-Communicate (
- IN CONST EFI_PEI_SMM_COMMUNICATION_PPI *This,
- IN OUT VOID *CommBuffer,
- IN OUT UINTN *CommSize
- )
-{
- EFI_STATUS Status;
- PEI_SMM_CONTROL_PPI *SmmControl;
- PEI_SMM_ACCESS_PPI *SmmAccess;
- UINT8 SmiCommand;
- UINTN Size;
- EFI_SMM_COMMUNICATION_CONTEXT *SmmCommunicationContext;
-
- DEBUG ((EFI_D_INFO, "PiSmmCommunicationPei Communicate Enter\n"));
-
- if (CommBuffer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // Get needed resource
- //
- Status = PeiServicesLocatePpi (
- &gPeiSmmControlPpiGuid,
- 0,
- NULL,
- (VOID **)&SmmControl
- );
- if (EFI_ERROR (Status)) {
- return EFI_NOT_STARTED;
- }
-
- Status = PeiServicesLocatePpi (
- &gPeiSmmAccessPpiGuid,
- 0,
- NULL,
- (VOID **)&SmmAccess
- );
- if (EFI_ERROR (Status)) {
- return EFI_NOT_STARTED;
- }
-
- //
- // Check SMRAM locked, it should be done after SMRAM lock.
- //
- if (!SmmAccess->LockState) {
- DEBUG ((EFI_D_INFO, "PiSmmCommunicationPei LockState - %x\n", (UINTN)SmmAccess->LockState));
- return EFI_NOT_STARTED;
- }
-
- SmmCommunicationContext = GetCommunicationContext ();
- DEBUG ((EFI_D_INFO, "PiSmmCommunicationPei BufferPtrAddress - 0x%016lx, BufferPtr: 0x%016lx\n", SmmCommunicationContext->BufferPtrAddress, *(EFI_PHYSICAL_ADDRESS *)(UINTN)SmmCommunicationContext->BufferPtrAddress));
-
- //
- // No need to check if BufferPtr is 0, because it is in PEI phase.
- //
- *(EFI_PHYSICAL_ADDRESS *)(UINTN)SmmCommunicationContext->BufferPtrAddress = (EFI_PHYSICAL_ADDRESS)(UINTN)CommBuffer;
- DEBUG ((EFI_D_INFO, "PiSmmCommunicationPei CommBuffer - %x\n", (UINTN)CommBuffer));
-
- //
- // Send command
- //
- SmiCommand = (UINT8)SmmCommunicationContext->SwSmiNumber;
- Size = sizeof(SmiCommand);
- Status = SmmControl->Trigger (
- (EFI_PEI_SERVICES **)GetPeiServicesTablePointer (),
- SmmControl,
- (INT8 *)&SmiCommand,
- &Size,
- FALSE,
- 0
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Setting BufferPtr to 0 means this transaction is done.
- //
- *(EFI_PHYSICAL_ADDRESS *)(UINTN)SmmCommunicationContext->BufferPtrAddress = 0;
-
- DEBUG ((EFI_D_INFO, "PiSmmCommunicationPei Communicate Exit\n"));
-
- return EFI_SUCCESS;
-}
-
-/**
- Entry Point for PI SMM communication PEIM.
-
- @param FileHandle Handle of the file being invoked.
- @param PeiServices Pointer to PEI Services table.
-
- @retval EFI_SUCEESS
- @return Others Some error occurs.
-**/
-EFI_STATUS
-EFIAPI
-PiSmmCommunicationPeiEntryPoint (
- IN EFI_PEI_FILE_HANDLE FileHandle,
- IN CONST EFI_PEI_SERVICES **PeiServices
- )
-{
- EFI_STATUS Status;
- PEI_SMM_ACCESS_PPI *SmmAccess;
- EFI_BOOT_MODE BootMode;
- UINTN Index;
-
- BootMode = GetBootModeHob ();
- if (BootMode != BOOT_ON_S3_RESUME) {
- return EFI_UNSUPPORTED;
- }
-
- Status = PeiServicesLocatePpi (
- &gPeiSmmAccessPpiGuid,
- 0,
- NULL,
- (VOID **)&SmmAccess
- );
- if (EFI_ERROR (Status)) {
- return EFI_NOT_STARTED;
- }
-
- //
- // Check SMRAM locked, it should be done before SMRAM lock.
- //
- if (SmmAccess->LockState) {
- DEBUG ((EFI_D_INFO, "PiSmmCommunicationPei LockState - %x\n", (UINTN)SmmAccess->LockState));
- return EFI_ACCESS_DENIED;
- }
-
- //
- // Open all SMRAM
- //
- for (Index = 0; !EFI_ERROR (Status); Index++) {
- Status = SmmAccess->Open ((EFI_PEI_SERVICES **)GetPeiServicesTablePointer (), SmmAccess, Index);
- }
-
- InitCommunicationContext ();
-
- PeiServicesInstallPpi (&mPpiList);
-
- return RETURN_SUCCESS;
-}
|