diff options
Diffstat (limited to 'MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c')
| -rw-r--r-- | MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c new file mode 100644 index 0000000000..5a923cda34 --- /dev/null +++ b/MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleService.c @@ -0,0 +1,264 @@ +/*++
+
+Copyright (c) 2006 - 2007, Intel Corporation
+All rights reserved. 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.
+
+Module Name:
+
+ CapsuleService.c
+
+Abstract:
+
+ Capsule Runtime Service.
+
+--*/
+
+#include "CapsuleService.h"
+
+EFI_STATUS
+EFIAPI
+UpdateCapsule (
+ IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ IN EFI_PHYSICAL_ADDRESS ScatterGatherList OPTIONAL
+ )
+/*++
+
+Routine Description:
+
+ This code finds whether the capsules need reset to update, if not, update immediately.
+
+Arguments:
+
+ CapsuleHeaderArray A array of pointers to capsule headers passed in
+ CapsuleCount The number of capsule
+ ScatterGatherList Physical address of datablock list points to capsule
+
+Returns:
+
+ EFI STATUS
+ EFI_SUCCESS Valid capsule was passed.If CAPSULE_FLAG_PERSIT_ACROSS_RESET is
+ not set, the capsule has been successfully processed by the firmware.
+ If it set, the ScattlerGatherList is successfully to be set.
+ EFI_INVALID_PARAMETER CapsuleCount is less than 1,CapsuleGuid is not supported.
+ EFI_DEVICE_ERROR Failed to SetVariable or AllocatePool or ProcessFirmwareVolume.
+
+--*/
+{
+ UINTN CapsuleSize;
+ UINTN ArrayNumber;
+ VOID *BufferPtr;
+ EFI_STATUS Status;
+ EFI_HANDLE FvHandle;
+ EFI_CAPSULE_HEADER *CapsuleHeader;
+
+ if (CapsuleCount < 1) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ BufferPtr = NULL;
+ CapsuleHeader = NULL;
+
+ for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {
+ CapsuleHeader = CapsuleHeaderArray[ArrayNumber];
+ if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) {
+ return EFI_INVALID_PARAMETER;
+ }
+ if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) {
+ return EFI_UNSUPPORTED;
+ }
+ }
+
+ //
+ //Assume that capsules have the same flags on reseting or not.
+ //
+ CapsuleHeader = CapsuleHeaderArray[0];
+
+ if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {
+ //
+ //Check if the platform supports update capsule across a system reset
+ //
+ if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {
+ return EFI_UNSUPPORTED;
+ }
+
+ if (ScatterGatherList == 0) {
+ return EFI_INVALID_PARAMETER;
+ } else {
+ Status = EfiSetVariable (
+ EFI_CAPSULE_VARIABLE_NAME,
+ &gEfiCapsuleVendorGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_RUNTIME_ACCESS | EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ sizeof (UINTN),
+ (VOID *) &ScatterGatherList
+ );
+ if (Status != EFI_SUCCESS) {
+ return EFI_DEVICE_ERROR;
+ }
+ }
+ return EFI_SUCCESS;
+ }
+
+ //
+ //The rest occurs in the condition of non-reset mode
+ //
+ if (EfiAtRuntime ()) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ //
+ //Here should be in the boot-time
+ //
+ for (ArrayNumber = 0; ArrayNumber < CapsuleCount ; ArrayNumber++) {
+ CapsuleHeader = CapsuleHeaderArray[ArrayNumber];
+ CapsuleSize = CapsuleHeader->CapsuleImageSize - CapsuleHeader->HeaderSize;
+
+ BufferPtr = AllocatePool (CapsuleSize);
+ if (BufferPtr == NULL) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ CopyMem (BufferPtr, (UINT8*)CapsuleHeader+ CapsuleHeader->HeaderSize, CapsuleSize);
+
+ //
+ //Call DXE service ProcessFirmwareVolume to process immediatelly
+ //
+ Status = gDS->ProcessFirmwareVolume (BufferPtr, CapsuleSize, &FvHandle);
+ if (Status != EFI_SUCCESS) {
+ FreePool (BufferPtr);
+ return EFI_DEVICE_ERROR;
+ }
+ gDS->Dispatch ();
+ FreePool (BufferPtr);
+ }
+
+ return EFI_SUCCESS;
+}
+
+
+
+EFI_STATUS
+EFIAPI
+QueryCapsuleCapabilities (
+ IN EFI_CAPSULE_HEADER **CapsuleHeaderArray,
+ IN UINTN CapsuleCount,
+ OUT UINT64 *MaxiumCapsuleSize,
+ OUT EFI_RESET_TYPE *ResetType
+ )
+/*++
+
+Routine Description:
+
+ This code is to query about capsule capability.
+
+Arguments:
+
+ CapsuleHeaderArray A array of pointers to capsule headers passed in
+ CapsuleCount The number of capsule
+ MaxiumCapsuleSize Max capsule size is supported
+ ResetType Reset type the capsule indicates, if reset is not needed,return EfiResetCold.
+ If reset is needed, return EfiResetWarm.
+
+Returns:
+
+ EFI STATUS
+ EFI_SUCCESS Valid answer returned
+ EFI_INVALID_PARAMETER MaxiumCapsuleSize is NULL,ResetType is NULL.CapsuleCount is less than 1,CapsuleGuid is not supported.
+ EFI_UNSUPPORTED The capsule type is not supported.
+
+--*/
+{
+ UINTN ArrayNumber;
+ EFI_CAPSULE_HEADER *CapsuleHeader;
+
+ if (CapsuleCount < 1) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ if ((MaxiumCapsuleSize == NULL) ||(ResetType == NULL)) {
+ return EFI_INVALID_PARAMETER;
+ }
+
+ CapsuleHeader = NULL;
+
+ for (ArrayNumber = 0; ArrayNumber < CapsuleCount; ArrayNumber++) {
+ CapsuleHeader = CapsuleHeaderArray[ArrayNumber];
+ if ((CapsuleHeader->Flags & (CAPSULE_FLAGS_PERSIST_ACROSS_RESET | CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE)) == CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) {
+ return EFI_INVALID_PARAMETER;
+ }
+ if ((CapsuleHeader->Flags & CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE) == 0) {
+ return EFI_UNSUPPORTED;
+ }
+ }
+
+ //
+ //Assume that capsules have the same flags on reseting or not.
+ //
+ CapsuleHeader = CapsuleHeaderArray[0];
+ if ((CapsuleHeader->Flags & CAPSULE_FLAGS_PERSIST_ACROSS_RESET) != 0) {
+ //
+ //Check if the platform supports update capsule across a system reset
+ //
+ if (!FeaturePcdGet(PcdSupportUpdateCapsuleRest)) {
+ return EFI_UNSUPPORTED;
+ }
+ *ResetType = EfiResetWarm;
+ *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizePopulateCapsule);
+ } else {
+ *ResetType = EfiResetCold;
+ *MaxiumCapsuleSize = FixedPcdGet32(PcdMaxSizeNonPopulateCapsule);
+ }
+ return EFI_SUCCESS;
+}
+
+
+EFI_STATUS
+EFIAPI
+CapsuleServiceInitialize (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ )
+/*++
+
+Routine Description:
+
+ This code is capsule runtime service initialization.
+
+Arguments:
+
+ ImageHandle The image handle
+ SystemTable The system table.
+
+Returns:
+
+ EFI STATUS
+
+--*/
+{
+ EFI_STATUS Status;
+ EFI_HANDLE NewHandle;
+
+ SystemTable->RuntimeServices->UpdateCapsule = UpdateCapsule;
+ SystemTable->RuntimeServices->QueryCapsuleCapabilities = QueryCapsuleCapabilities;
+
+ //
+ // Now install the Capsule Architectural Protocol on a new handle
+ //
+ NewHandle = NULL;
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &NewHandle,
+ &gEfiCapsuleArchProtocolGuid,
+ NULL,
+ NULL
+ );
+ ASSERT_EFI_ERROR (Status);
+
+ return EFI_SUCCESS;
+}
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