diff options
Diffstat (limited to 'Core/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/DriverConfiguration.c')
| -rw-r--r-- | Core/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/DriverConfiguration.c | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/Core/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/DriverConfiguration.c b/Core/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/DriverConfiguration.c new file mode 100644 index 0000000000..999e20e016 --- /dev/null +++ b/Core/IntelFrameworkModulePkg/Bus/Pci/IdeBusDxe/DriverConfiguration.c @@ -0,0 +1,292 @@ +/** @file
+ Implementation of UEFI Driver Configuration Protocol for IDE bus driver which
+ provides ability to set IDE bus controller specific options.
+
+ Copyright (c) 2006 - 2008, 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 "IdeBus.h"
+
+CHAR16 *OptionString[4] = {
+ L"Enable Primary Master (Y/N)? -->",
+ L"Enable Primary Slave (Y/N)? -->",
+ L"Enable Secondary Master (Y/N)? -->",
+ L"Enable Secondary Slave (Y/N)? -->"
+};
+
+//
+// EFI Driver Configuration Protocol
+//
+EFI_DRIVER_CONFIGURATION_PROTOCOL gIDEBusDriverConfiguration = {
+ IDEBusDriverConfigurationSetOptions,
+ IDEBusDriverConfigurationOptionsValid,
+ IDEBusDriverConfigurationForceDefaults,
+ "eng"
+};
+
+/**
+ Interprete keyboard input.
+
+ @retval EFI_ABORTED Get an 'ESC' key inputed.
+ @retval EFI_SUCCESS Get an 'Y' or 'y' inputed.
+ @retval EFI_NOT_FOUND Get an 'N' or 'n' inputed..
+
+**/
+EFI_STATUS
+GetResponse (
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_INPUT_KEY Key;
+
+ while (TRUE) {
+ Status = gST->ConIn->ReadKeyStroke (gST->ConIn, &Key);
+ if (!EFI_ERROR (Status)) {
+ if (Key.ScanCode == SCAN_ESC) {
+ return EFI_ABORTED;
+ }
+
+ switch (Key.UnicodeChar) {
+
+ //
+ // fall through
+ //
+ case L'y':
+ case L'Y':
+ gST->ConOut->OutputString (gST->ConOut, L"Y\n");
+ return EFI_SUCCESS;
+
+ //
+ // fall through
+ //
+ case L'n':
+ case L'N':
+ gST->ConOut->OutputString (gST->ConOut, L"N\n");
+ return EFI_NOT_FOUND;
+ }
+
+ }
+ }
+}
+
+/**
+ Allows the user to set controller specific options for a controller that a
+ driver is currently managing.
+
+ @param This A pointer to the EFI_DRIVER_CONFIGURATION_ PROTOCOL instance.
+ @param ControllerHandle The handle of the controller to set options on.
+ @param ChildHandle The handle of the child controller to set options on.
+ This is an optional parameter that may be NULL.
+ It will be NULL for device drivers, and for a bus drivers
+ that wish to set options for the bus controller.
+ It will not be NULL for a bus driver that wishes to set
+ options for one of its child controllers.
+ @param Language A pointer to a three character ISO 639-2 language identifier.
+ This is the language of the user interface that should be presented
+ to the user, 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 ActionRequired A pointer to the action that the calling agent is required
+ to perform when this function returns.
+
+
+ @retval EFI_SUCCESS The driver specified by This successfully set the configuration
+ options for the controller specified by ControllerHandle..
+ @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 ActionRequired is NULL.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support setting configuration options for
+ the controller specified by ControllerHandle and ChildHandle.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support the language specified by Language.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempt to set the configuration options for the
+ controller specified by ControllerHandle and ChildHandle.
+ @retval EFI_OUT_RESOURCES There are not enough resources available to set the configuration options for the
+ controller specified by ControllerHandle and ChildHandle
+**/
+EFI_STATUS
+EFIAPI
+IDEBusDriverConfigurationSetOptions (
+ IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN CHAR8 *Language,
+ OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Value;
+ UINT8 NewValue;
+ UINTN DataSize;
+ UINTN Index;
+
+ if (ChildHandle != NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ *ActionRequired = EfiDriverConfigurationActionNone;
+
+ DataSize = sizeof (Value);
+ Status = gRT->GetVariable (
+ L"Configuration",
+ &gEfiCallerIdGuid,
+ NULL,
+ &DataSize,
+ &Value
+ );
+
+ gST->ConOut->OutputString (gST->ConOut, L"IDE Bus Driver Configuration\n");
+ gST->ConOut->OutputString (gST->ConOut, L"===============================\n");
+
+ NewValue = 0;
+ for (Index = 0; Index < 4; Index++) {
+ gST->ConOut->OutputString (gST->ConOut, OptionString[Index]);
+
+ Status = GetResponse ();
+ if (Status == EFI_ABORTED) {
+ return EFI_SUCCESS;
+ }
+
+ if (!EFI_ERROR (Status)) {
+ NewValue = (UINT8) (NewValue | (1 << Index));
+ }
+ }
+
+ if (EFI_ERROR (Status) || (NewValue != Value)) {
+ gRT->SetVariable (
+ L"Configuration",
+ &gEfiCallerIdGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ sizeof (NewValue),
+ &NewValue
+ );
+
+ *ActionRequired = EfiDriverConfigurationActionRestartController;
+ } else {
+ *ActionRequired = EfiDriverConfigurationActionNone;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ Tests to see if a controller's current configuration options are valid.
+
+ @param This A pointer to the EFI_DRIVER_CONFIGURATION_PROTOCOL instance.
+ @param ControllerHandle The handle of the controller to test if it's current configuration options
+ are valid.
+ @param ChildHandle The handle of the child controller to test if it's current configuration
+ options are valid. 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 test the configuration options for the bus controller. It will
+ not be NULL for a bus driver that wishes to test configuration options for
+ one of its child controllers.
+ @retval EFI_SUCCESS The controller specified by ControllerHandle and ChildHandle that is being
+ managed by the driver specified by This has a valid set of configuration
+ options.
+ @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_UNSUPPORTED The driver specified by This is not currently managing the controller
+ specified by ControllerHandle and ChildHandle.
+ @retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and ChildHandle that is being
+ managed by the driver specified by This has an invalid set of configuration
+ options.
+**/
+EFI_STATUS
+EFIAPI
+IDEBusDriverConfigurationOptionsValid (
+ IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL
+ )
+{
+ EFI_STATUS Status;
+ UINT8 Value;
+ UINTN DataSize;
+
+ if (ChildHandle != NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ DataSize = sizeof (Value);
+ Status = gRT->GetVariable (
+ L"Configuration",
+ &gEfiCallerIdGuid,
+ NULL,
+ &DataSize,
+ &Value
+ );
+ if (EFI_ERROR (Status) || Value > 0x0f) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+/**
+ Forces a driver to set the default configuration options for a controller.
+
+ @param This A pointer to the EFI_DRIVER_CONFIGURATION_ PROTOCOL instance.
+ @param ControllerHandle The handle of the controller to force default configuration options on.
+ @param ChildHandle The handle of the child controller to force default configuration
+ options 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 force default configuration options for the bus
+ controller. It will not be NULL for a bus driver that wishes to force
+ default configuration options for one of its child controllers.
+ @param DefaultType The type of default configuration options to force on the controller
+ specified by ControllerHandle and ChildHandle.
+ @param ActionRequired A pointer to the action that the calling agent is required to perform
+ when this function returns.
+
+ @retval EFI_SUCCESS The driver specified by This successfully forced the
+ default configuration options on the controller specified by
+ ControllerHandle and ChildHandle.
+ @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 ActionRequired is NULL.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support forcing the default
+ configuration options on the controller specified by ControllerHandle
+ and ChildHandle.
+ @retval EFI_UNSUPPORTED The driver specified by This does not support the configuration type
+ specified by DefaultType.
+ @retval EFI_DEVICE_ERROR A device error occurred while attempt to force the default configuration
+ options on the controller specified by ControllerHandle and ChildHandle.
+ @retval EFI_OUT_RESOURCES There are not enough resources available to force the default configuration
+ options on the controller specified by ControllerHandle and ChildHandle.
+**/
+EFI_STATUS
+EFIAPI
+IDEBusDriverConfigurationForceDefaults (
+ IN EFI_DRIVER_CONFIGURATION_PROTOCOL *This,
+ IN EFI_HANDLE ControllerHandle,
+ IN EFI_HANDLE ChildHandle OPTIONAL,
+ IN UINT32 DefaultType,
+ OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired
+ )
+{
+ UINT8 Value;
+
+ if (ChildHandle != NULL) {
+ return EFI_UNSUPPORTED;
+ }
+
+ Value = 0x0f;
+ gRT->SetVariable (
+ L"Configuration",
+ &gEfiCallerIdGuid,
+ EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,
+ sizeof (Value),
+ &Value
+ );
+ *ActionRequired = EfiDriverConfigurationActionRestartController;
+ return EFI_SUCCESS;
+}
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