mirror of https://github.com/acidanthera/audk.git
215 lines
8.1 KiB
C
215 lines
8.1 KiB
C
/** @file
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Copyright (c) 2006, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "idebus.h"
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#define IDE_BUS_DIAGNOSTIC_ERROR L"PCI IDE/ATAPI Driver Diagnostics Failed"
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//
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// EFI Driver Diagnostics Functions
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//
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EFI_STATUS
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IDEBusDriverDiagnosticsRunDiagnostics (
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IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,
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IN CHAR8 *Language,
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OUT EFI_GUID **ErrorType,
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OUT UINTN *BufferSize,
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OUT CHAR16 **Buffer
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);
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//
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// EFI Driver Diagnostics Protocol
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//
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EFI_DRIVER_DIAGNOSTICS_PROTOCOL gIDEBusDriverDiagnostics = {
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IDEBusDriverDiagnosticsRunDiagnostics,
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"eng"
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};
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/**
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Runs diagnostics on a controller.
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@param This A pointer to the EFI_DRIVER_DIAGNOSTICS_PROTOCOL
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instance.
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@param ControllerHandle The handle of the controller to run diagnostics on.
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@param ChildHandle The handle of the child controller to run diagnostics on
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This is an optional parameter that may be NULL. It will
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be NULL for device drivers. It will also be NULL for a
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bus drivers that wish to run diagnostics on the bus
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controller. It will not be NULL for a bus driver that
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wishes to run diagnostics on one of its child
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controllers.
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@param DiagnosticType Indicates type of diagnostics to perform on the
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controller specified by ControllerHandle and ChildHandle.
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See "Related Definitions" for the list of supported
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types.
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@param Language A pointer to a three character ISO 639-2 language
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identifier. This is the language in which the optional
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error message should be returned in Buffer, and it must
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match one of the languages specified in
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SupportedLanguages. The number of languages supported by
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a driver is up to the driver writer.
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@param ErrorType A GUID that defines the format of the data returned in
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Buffer.
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@param BufferSize The size, in bytes, of the data returned in Buffer.
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@param Buffer A buffer that contains a Null-terminated Unicode string
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plus some additional data whose format is defined by
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ErrorType. Buffer is allocated by this function with
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AllocatePool(), and it is the caller's responsibility
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to free it with a call to FreePool().
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@retval EFI_SUCCESS The controller specified by ControllerHandle and
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ChildHandle passed the diagnostic.
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@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
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EFI_HANDLE.
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@retval EFI_INVALID_PARAMETER Language is NULL.
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@retval EFI_INVALID_PARAMETER ErrorType is NULL.
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@retval EFI_INVALID_PARAMETER BufferType is NULL.
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@retval EFI_INVALID_PARAMETER Buffer is NULL.
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@retval EFI_UNSUPPORTED The driver specified by This does not support
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running diagnostics for the controller specified
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by ControllerHandle and ChildHandle.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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type of diagnostic specified by DiagnosticType.
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@retval EFI_UNSUPPORTED The driver specified by This does not support the
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language specified by Language.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to complete
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the diagnostics.
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@retval EFI_OUT_OF_RESOURCES There are not enough resources available to return
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the status information in ErrorType, BufferSize,
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and Buffer.
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@retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and
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ChildHandle did not pass the diagnostic.
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**/
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EFI_STATUS
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IDEBusDriverDiagnosticsRunDiagnostics (
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IN EFI_DRIVER_DIAGNOSTICS_PROTOCOL *This,
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IN EFI_HANDLE ControllerHandle,
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IN EFI_HANDLE ChildHandle OPTIONAL,
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IN EFI_DRIVER_DIAGNOSTIC_TYPE DiagnosticType,
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IN CHAR8 *Language,
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OUT EFI_GUID **ErrorType,
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OUT UINTN *BufferSize,
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OUT CHAR16 **Buffer
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)
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{
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EFI_STATUS Status;
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EFI_PCI_IO_PROTOCOL *PciIo;
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EFI_BLOCK_IO_PROTOCOL *BlkIo;
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IDE_BLK_IO_DEV *IdeBlkIoDevice;
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UINT32 VendorDeviceId;
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VOID *BlockBuffer;
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*ErrorType = NULL;
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*BufferSize = 0;
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if (ChildHandle == NULL) {
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiCallerIdGuid,
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NULL,
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gIDEBusDriverBinding.DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_TEST_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return EFI_UNSUPPORTED;
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}
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Status = gBS->OpenProtocol (
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ControllerHandle,
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&gEfiPciIoProtocolGuid,
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(VOID **) &PciIo,
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gIDEBusDriverBinding.DriverBindingHandle,
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ControllerHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return EFI_DEVICE_ERROR;
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}
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//
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// Use services of PCI I/O Protocol to test the PCI IDE/ATAPI Controller
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// The following test simply reads the Device ID and Vendor ID.
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// It should never fail. A real test would perform more advanced
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// diagnostics.
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//
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Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0, 1, &VendorDeviceId);
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if (EFI_ERROR (Status) || VendorDeviceId == 0xffffffff) {
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return EFI_DEVICE_ERROR;
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}
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return EFI_SUCCESS;
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}
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Status = gBS->OpenProtocol (
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ChildHandle,
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&gEfiBlockIoProtocolGuid,
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(VOID **) &BlkIo,
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gIDEBusDriverBinding.DriverBindingHandle,
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ChildHandle,
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EFI_OPEN_PROTOCOL_GET_PROTOCOL
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);
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if (EFI_ERROR (Status)) {
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return EFI_UNSUPPORTED;
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}
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IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo);
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//
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// Use services available from IdeBlkIoDevice to test the IDE/ATAPI device
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//
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Status = gBS->AllocatePool (
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EfiBootServicesData,
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IdeBlkIoDevice->BlkMedia.BlockSize,
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(VOID **) &BlockBuffer
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = IdeBlkIoDevice->BlkIo.ReadBlocks (
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&IdeBlkIoDevice->BlkIo,
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IdeBlkIoDevice->BlkMedia.MediaId,
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0,
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IdeBlkIoDevice->BlkMedia.BlockSize,
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BlockBuffer
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);
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if (EFI_ERROR (Status)) {
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*ErrorType = &gEfiCallerIdGuid;
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*BufferSize = sizeof (IDE_BUS_DIAGNOSTIC_ERROR);
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Status = gBS->AllocatePool (
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EfiBootServicesData,
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(UINTN) (*BufferSize),
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(VOID **) Buffer
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);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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EfiCopyMem (*Buffer, IDE_BUS_DIAGNOSTIC_ERROR, *BufferSize);
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Status = EFI_DEVICE_ERROR;
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}
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gBS->FreePool (BlockBuffer);
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return Status;
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}
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