--- /dev/null
+/** @file\r
+ Diagnostics Protocol implementation for the MMC DXE driver\r
+\r
+ Copyright (c) 2011, ARM Limited. All rights reserved.\r
+ \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
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+\r
+**/\r
+\r
+#include <Uefi.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/MemoryAllocationLib.h>\r
+\r
+#include "Mmc.h"\r
+\r
+#define DIAGNOSTIC_LOGBUFFER_MAXCHAR 1024\r
+\r
+CHAR16* mLogBuffer = NULL;\r
+UINTN mLogRemainChar = 0;\r
+\r
+CHAR16* DiagnosticInitLog(UINTN MaxBufferChar) {\r
+ mLogRemainChar = MaxBufferChar;\r
+ mLogBuffer = AllocatePool ((UINTN)MaxBufferChar * sizeof(CHAR16));\r
+ return mLogBuffer;\r
+}\r
+\r
+UINTN DiagnosticLog(CONST CHAR16* Str) {\r
+ UINTN len = StrLen (Str);\r
+ if (len <= mLogRemainChar) {\r
+ mLogRemainChar -= len;\r
+ StrCpy (mLogBuffer, Str);\r
+ mLogBuffer += len;\r
+ return len;\r
+ } else {\r
+ return 0;\r
+ }\r
+}\r
+\r
+VOID GenerateRandomBuffer(VOID* Buffer, UINTN BufferSize) {\r
+ UINT64 i;\r
+ UINT64* Buffer64 = (UINT64*)Buffer;\r
+\r
+ for (i = 0; i < (BufferSize >> 3); i++) {\r
+ *Buffer64 = i | (~i << 32);\r
+ Buffer64++;\r
+ }\r
+}\r
+\r
+BOOLEAN CompareBuffer(VOID *BufferA, VOID *BufferB, UINTN BufferSize) {\r
+ UINTN i;\r
+ UINT64* BufferA64 = (UINT64*)BufferA;\r
+ UINT64* BufferB64 = (UINT64*)BufferB;\r
+\r
+ for (i = 0; i < (BufferSize >> 3); i++) {\r
+ if (*BufferA64 != *BufferB64) {\r
+ DEBUG((EFI_D_ERROR, "CompareBuffer: Error at %i", i));\r
+ DEBUG((EFI_D_ERROR, "(0x%lX) != (0x%lX)\n", *BufferA64, *BufferB64));\r
+ return FALSE;\r
+ }\r
+ BufferA64++;\r
+ BufferB64++;\r
+ }\r
+ return TRUE;\r
+}\r
+\r
+EFI_STATUS MmcReadWriteDataTest(MMC_HOST_INSTANCE *MmcHostInstance, EFI_LBA Lba, UINTN BufferSize) {\r
+ VOID *BackBuffer;\r
+ VOID *WriteBuffer;\r
+ VOID *ReadBuffer;\r
+ EFI_STATUS Status;\r
+ \r
+ // Check if a Media is Present\r
+ if (!MmcHostInstance->BlockIo.Media->MediaPresent) {\r
+ DiagnosticLog(L"ERROR: No Media Present\n");\r
+ return EFI_NO_MEDIA;\r
+ }\r
+\r
+ if (MmcHostInstance->State != MmcTransferState) {\r
+ DiagnosticLog(L"ERROR: Not ready for Transfer state\n");\r
+ return EFI_NOT_READY;\r
+ }\r
+\r
+ BackBuffer = AllocatePool(BufferSize);\r
+ WriteBuffer = AllocatePool(BufferSize);\r
+ ReadBuffer = AllocatePool(BufferSize);\r
+\r
+ // Read (and save) buffer at a specific location\r
+ Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,BackBuffer);\r
+ if (Status != EFI_SUCCESS) {\r
+ DiagnosticLog(L"ERROR: Fail to Read Block (1)\n");\r
+ return Status;\r
+ }\r
+\r
+ // Write buffer at the same location\r
+ GenerateRandomBuffer(WriteBuffer,BufferSize);\r
+ Status = MmcWriteBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,WriteBuffer);\r
+ if (Status != EFI_SUCCESS) {\r
+ DiagnosticLog(L"ERROR: Fail to Write Block (1)\n");\r
+ return Status;\r
+ }\r
+\r
+ // Read the buffer at the same location\r
+ Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,ReadBuffer);\r
+ if (Status != EFI_SUCCESS) {\r
+ DiagnosticLog(L"ERROR: Fail to Read Block (2)\n");\r
+ return Status;\r
+ }\r
+\r
+ // Check that is conform\r
+ if (!CompareBuffer(ReadBuffer,WriteBuffer,BufferSize)) {\r
+ DiagnosticLog(L"ERROR: Fail to Read/Write Block (1)\n");\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ // Restore content at the original location\r
+ Status = MmcWriteBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,BackBuffer);\r
+ if (Status != EFI_SUCCESS) {\r
+ DiagnosticLog(L"ERROR: Fail to Write Block (2)\n");\r
+ return Status;\r
+ }\r
+\r
+ // Read the restored content\r
+ Status = MmcReadBlocks (&(MmcHostInstance->BlockIo), MmcHostInstance->BlockIo.Media->MediaId,Lba,BufferSize,ReadBuffer);\r
+ if (Status != EFI_SUCCESS) {\r
+ DiagnosticLog(L"ERROR: Fail to Read Block (3)\n");\r
+ return Status;\r
+ }\r
+\r
+ // Check the content is correct\r
+ if (!CompareBuffer(ReadBuffer,BackBuffer,BufferSize)) {\r
+ DiagnosticLog(L"ERROR: Fail to Read/Write Block (2)\n");\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ return EFI_SUCCESS;\r
+}\r
+\r
+EFI_STATUS\r
+EFIAPI\r
+MmcDriverDiagnosticsRunDiagnostics (\r
+ IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,\r
+ IN EFI_HANDLE ControllerHandle,\r
+ IN EFI_HANDLE ChildHandle OPTIONAL,\r
+ IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,\r
+ IN CHAR8 *Language,\r
+ OUT EFI_GUID **ErrorType,\r
+ OUT UINTN *BufferSize,\r
+ OUT CHAR16 **Buffer\r
+ )\r
+{\r
+ LIST_ENTRY *CurrentLink;\r
+ MMC_HOST_INSTANCE *MmcHostInstance;\r
+ EFI_STATUS Status;\r
+\r
+ if (Language == NULL ||\r
+ ErrorType == NULL ||\r
+ Buffer == NULL ||\r
+ ControllerHandle == NULL ||\r
+ BufferSize == NULL) {\r
+ return EFI_INVALID_PARAMETER;\r
+ }\r
+\r
+ Status = EFI_SUCCESS;\r
+ *ErrorType = NULL;\r
+ *BufferSize = DIAGNOSTIC_LOGBUFFER_MAXCHAR;\r
+ *Buffer = DiagnosticInitLog(DIAGNOSTIC_LOGBUFFER_MAXCHAR);\r
+\r
+ DiagnosticLog(L"MMC Driver Diagnostics\n");\r
+\r
+ // For each MMC instance\r
+ CurrentLink = mMmcHostPool.ForwardLink;\r
+ while (CurrentLink != NULL && CurrentLink != &mMmcHostPool && (Status == EFI_SUCCESS)) {\r
+ MmcHostInstance = MMC_HOST_INSTANCE_FROM_LINK(CurrentLink);\r
+ ASSERT(MmcHostInstance != NULL);\r
+\r
+ // LBA=1 Size=BlockSize\r
+ DiagnosticLog(L"MMC Driver Diagnostics - Test: First Block\n");\r
+ Status = MmcReadWriteDataTest(MmcHostInstance, 1, MmcHostInstance->BlockIo.Media->BlockSize);\r
+\r
+ // LBA=2 Size=BlockSize\r
+ DiagnosticLog(L"MMC Driver Diagnostics - Test: Second Block\n");\r
+ Status = MmcReadWriteDataTest(MmcHostInstance, 2, MmcHostInstance->BlockIo.Media->BlockSize);\r
+\r
+ // LBA=10 Size=BlockSize\r
+ DiagnosticLog(L"MMC Driver Diagnostics - Test: Any Block\n");\r
+ Status = MmcReadWriteDataTest(MmcHostInstance, MmcHostInstance->BlockIo.Media->LastBlock >> 1, MmcHostInstance->BlockIo.Media->BlockSize);\r
+\r
+ // LBA=LastBlock Size=BlockSize\r
+ DiagnosticLog(L"MMC Driver Diagnostics - Test: Last Block\n");\r
+ Status = MmcReadWriteDataTest(MmcHostInstance, MmcHostInstance->BlockIo.Media->LastBlock, MmcHostInstance->BlockIo.Media->BlockSize);\r
+\r
+ // LBA=1 Size=2*BlockSize\r
+ DiagnosticLog(L"MMC Driver Diagnostics - Test: First Block / 2 BlockSSize\n");\r
+ Status = MmcReadWriteDataTest(MmcHostInstance, 1, 2*MmcHostInstance->BlockIo.Media->BlockSize);\r
+\r
+ CurrentLink = CurrentLink->ForwardLink;\r
+ }\r
+\r
+ return Status;\r
+}\r
+\r
+//\r
+// EFI Driver Diagnostics 2 Protocol\r
+//\r
+GLOBAL_REMOVE_IF_UNREFERENCED EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gMmcDriverDiagnostics2 = {\r
+ (EFI_DRIVER_DIAGNOSTICS2_RUN_DIAGNOSTICS) MmcDriverDiagnosticsRunDiagnostics,\r
+ "en"\r
+};\r
projects / mirror_edk2.git / blobdiff