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/** @file
Implementation of UEFI driver Dialnostics protocol which to perform diagnostic on the IDE
Bus controller.
Copyright (c) 2006 - 2008, 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.
**/
#include "IdeBus.h"
#define IDE_BUS_DIAGNOSTIC_ERROR L"PCI IDE/ATAPI Driver Diagnostics Failed"
//
// EFI Driver Diagnostics Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_DRIVER_DIAGNOSTICS_PROTOCOL gIDEBusDriverDiagnostics = {
IDEBusDriverDiagnosticsRunDiagnostics,
"eng"
};
//
// EFI Driver Diagnostics 2 Protocol
//
GLOBAL_REMOVE_IF_UNREFERENCED EFI_DRIVER_DIAGNOSTICS2_PROTOCOL gIDEBusDriverDiagnostics2 = {
(EFI_DRIVER_DIAGNOSTICS2_RUN_DIAGNOSTICS) IDEBusDriverDiagnosticsRunDiagnostics,
"en"
};
/**
Runs diagnostics on a controller.
@param This A pointer to the EFI_DRIVER_DIAGNOSTICS_PROTOCOLinstance.
@param ControllerHandle The handle of the controller to run diagnostics on.
@param ChildHandle The handle of the child controller to run diagnostics on
This is an optional parameter that may be NULL. It will
be NULL for device drivers. It will also be NULL for a
bus drivers that wish to run diagnostics on the bus controller.
It will not be NULL for a bus driver that wishes to run
diagnostics on one of its child controllers.
@param DiagnosticType Indicates type of diagnostics to perform on the controller
specified by ControllerHandle and ChildHandle.
@param Language A pointer to a three character ISO 639-2 language identifier.
This is the language in which the optional error message should
be returned in Buffer, and it must match one of the languages
specified in SupportedLanguages. The number of languages supported by
a driver is up to the driver writer.
@param ErrorType A GUID that defines the format of the data returned in Buffer.
@param BufferSize The size, in bytes, of the data returned in Buffer.
@param Buffer A buffer that contains a Null-terminated Unicode string
plus some additional data whose format is defined by ErrorType.
Buffer is allocated by this function with AllocatePool(), and
it is the caller's responsibility to free it with a call to FreePool().
@retval EFI_SUCCESS The controller specified by ControllerHandle and ChildHandle passed
the diagnostic.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ErrorType is NULL.
@retval EFI_INVALID_PARAMETER BufferType is NULL.
@retval EFI_INVALID_PARAMETER Buffer is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support running
diagnostics for the controller specified by ControllerHandle
and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support the
type of diagnostic specified by DiagnosticType.
@retval EFI_UNSUPPORTED The driver specified by This does not support the language
specified by Language.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to complete the
diagnostics.
@retval EFI_OUT_OF_RESOURCES There are not enough resources available to return the
status information in ErrorType, BufferSize,and Buffer.
@retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and ChildHandle
did not pass the diagnostic.
**/
EFI_STATUS
EFIAPI
IDEBusDriverDiagnosticsRunDiagnostics (
IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,
IN CHAR8 *Language,
OUT EFI_GUID **ErrorType,
OUT UINTN *BufferSize,
OUT CHAR16 **Buffer
)
{
EFI_STATUS Status;
EFI_PCI_IO_PROTOCOL *PciIo;
EFI_BLOCK_IO_PROTOCOL *BlkIo;
IDE_BLK_IO_DEV *IdeBlkIoDevice;
UINT32 VendorDeviceId;
VOID *BlockBuffer;
CHAR8 *SupportedLanguages;
BOOLEAN Iso639Language;
BOOLEAN Found;
UINTN Index;
if (Language == NULL ||
ErrorType == NULL ||
Buffer == NULL ||
ControllerHandle == NULL ||
BufferSize == NULL) {
return EFI_INVALID_PARAMETER;
}
SupportedLanguages = This->SupportedLanguages;
Iso639Language = (BOOLEAN)(This == &gIDEBusDriverDiagnostics);
//
// Make sure Language is in the set of Supported Languages
//
Found = FALSE;
while (*SupportedLanguages != 0) {
if (Iso639Language) {
if (CompareMem (Language, SupportedLanguages, 3) == 0) {
Found = TRUE;
break;
}
SupportedLanguages += 3;
} else {
for (Index = 0; SupportedLanguages[Index] != 0 && SupportedLanguages[Index] != ';'; Index++);
if ((AsciiStrnCmp(SupportedLanguages, Language, Index) == 0) && (Language[Index] == 0)) {
Found = TRUE;
break;
}
SupportedLanguages += Index;
for (; *SupportedLanguages != 0 && *SupportedLanguages == ';'; SupportedLanguages++);
}
}
//
// If Language is not a member of SupportedLanguages, then return EFI_UNSUPPORTED
//
if (!Found) {
return EFI_UNSUPPORTED;
}
*ErrorType = NULL;
*BufferSize = 0;
if (ChildHandle == NULL) {
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiCallerIdGuid,
NULL,
gIDEBusDriverBinding.DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_TEST_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = gBS->OpenProtocol (
ControllerHandle,
&gEfiPciIoProtocolGuid,
(VOID **) &PciIo,
gIDEBusDriverBinding.DriverBindingHandle,
ControllerHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
}
//
// Use services of PCI I/O Protocol to test the PCI IDE/ATAPI Controller
// The following test simply reads the Device ID and Vendor ID.
// It should never fail. A real test would perform more advanced
// diagnostics.
//
Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0, 1, &VendorDeviceId);
if (EFI_ERROR (Status) || VendorDeviceId == 0xffffffff) {
return EFI_DEVICE_ERROR;
}
return EFI_SUCCESS;
}
Status = gBS->OpenProtocol (
ChildHandle,
&gEfiBlockIoProtocolGuid,
(VOID **) &BlkIo,
gIDEBusDriverBinding.DriverBindingHandle,
ChildHandle,
EFI_OPEN_PROTOCOL_GET_PROTOCOL
);
if (EFI_ERROR (Status)) {
return Status;
}
IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo);
//
// Use services available from IdeBlkIoDevice to test the IDE/ATAPI device
//
Status = gBS->AllocatePool (
EfiBootServicesData,
IdeBlkIoDevice->BlkMedia.BlockSize,
(VOID **) &BlockBuffer
);
if (EFI_ERROR (Status)) {
return Status;
}
Status = IdeBlkIoDevice->BlkIo.ReadBlocks (
&IdeBlkIoDevice->BlkIo,
IdeBlkIoDevice->BlkMedia.MediaId,
0,
IdeBlkIoDevice->BlkMedia.BlockSize,
BlockBuffer
);
if (EFI_ERROR (Status)) {
*ErrorType = &gEfiCallerIdGuid;
*BufferSize = sizeof (IDE_BUS_DIAGNOSTIC_ERROR);
Status = gBS->AllocatePool (
EfiBootServicesData,
(UINTN) (*BufferSize),
(VOID **) Buffer
);
if (EFI_ERROR (Status)) {
return Status;
}
CopyMem (*Buffer, IDE_BUS_DIAGNOSTIC_ERROR, *BufferSize);
Status = EFI_DEVICE_ERROR;
}
gBS->FreePool (BlockBuffer);
return Status;
}
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