1 /** @file 2 UEFI Driver Configuration2 Protocol 3 4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef __EFI_DRIVER_CONFIGURATION2_H__ 16 #define __EFI_DRIVER_CONFIGURATION2_H__ 17 18 /// 19 /// Global ID for the Driver Configuration Protocol defined in UEFI 2.0 20 /// 21 #define EFI_DRIVER_CONFIGURATION2_PROTOCOL_GUID \ 22 { \ 23 0xbfd7dc1d, 0x24f1, 0x40d9, {0x82, 0xe7, 0x2e, 0x09, 0xbb, 0x6b, 0x4e, 0xbe } \ 24 } 25 26 typedef struct _EFI_DRIVER_CONFIGURATION2_PROTOCOL EFI_DRIVER_CONFIGURATION2_PROTOCOL; 27 28 typedef enum { 29 /// 30 /// The controller is still in a usable state. No actions 31 /// are required before this controller can be used again. 32 /// 33 EfiDriverConfigurationActionNone = 0, 34 /// 35 /// The driver has detected that the controller is not in a 36 /// usable state, and it needs to be stopped. 37 /// 38 EfiDriverConfigurationActionStopController = 1, 39 /// 40 /// This controller needs to be stopped and restarted 41 /// before it can be used again. 42 /// 43 EfiDriverConfigurationActionRestartController = 2, 44 /// 45 /// A configuration change has been made that requires the platform to be restarted before 46 /// the controller can be used again. 47 /// 48 EfiDriverConfigurationActionRestartPlatform = 3, 49 EfiDriverConfigurationActionMaximum 50 } EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED; 51 52 #define EFI_DRIVER_CONFIGURATION_SAFE_DEFAULTS 0x00000000 53 #define EFI_DRIVER_CONFIGURATION_MANUFACTURING_DEFAULTS 0x00000001 54 #define EFI_DRIVER_CONFIGURATION_CUSTOM_DEFAULTS 0x00000002 55 #define EFI_DRIVER_CONFIGURATION_PERORMANCE_DEFAULTS 0x00000003 56 57 /** 58 Allows the user to set controller specific options for a controller that a 59 driver is currently managing. 60 61 @param This A pointer to the EFI_DRIVER_CONFIGURATION2_PROTOCOL instance. 62 @param ControllerHandle The handle of the controller to set options on. 63 @param ChildHandle The handle of the child controller to set options on. This 64 is an optional parameter that may be NULL. It will be NULL 65 for device drivers, and for bus drivers that wish to set 66 options for the bus controller. It will not be NULL for a 67 bus driver that wishes to set options for one of its child 68 controllers. 69 @param Language A Null-terminated ASCII string that contains one or more RFC 4646 70 language codes. This is the list of language codes that this 71 protocol supports. The number of languages 72 supported by a driver is up to the driver writer. 73 @param ActionRequired A pointer to the action that the calling agent is required 74 to perform when this function returns. See "Related 75 Definitions" for a list of the actions that the calling 76 agent is required to perform prior to accessing 77 ControllerHandle again. 78 79 @retval EFI_SUCCESS The driver specified by This successfully set the 80 configuration options for the controller specified 81 by ControllerHandle. 82 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE. 83 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE. 84 @retval EFI_INVALID_PARAMETER ActionRequired is NULL. 85 @retval EFI_UNSUPPORTED The driver specified by This does not support setting 86 configuration options for the controller specified by 87 ControllerHandle and ChildHandle. 88 @retval EFI_UNSUPPORTED The driver specified by This does not support the 89 language specified by Language. 90 @retval EFI_DEVICE_ERROR A device error occurred while attempting to set the 91 configuration options for the controller specified 92 by ControllerHandle and ChildHandle. 93 @retval EFI_OUT_RESOURCES There are not enough resources available to set the 94 configuration options for the controller specified 95 by ControllerHandle and ChildHandle. 96 97 **/ 98 typedef 99 EFI_STATUS 100 (EFIAPI *EFI_DRIVER_CONFIGURATION2_SET_OPTIONS)( 101 IN EFI_DRIVER_CONFIGURATION2_PROTOCOL *This, 102 IN EFI_HANDLE ControllerHandle, 103 IN EFI_HANDLE ChildHandle OPTIONAL, 104 IN CHAR8 *Language, 105 OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired 106 ); 107 108 /** 109 Tests to see if a controller's current configuration options are valid. 110 111 @param This A pointer to the EFI_DRIVER_CONFIGURATION2_PROTOCOL instance. 112 @param ControllerHandle The handle of the controller to test if it's current 113 configuration options are valid. 114 @param ChildHandle The handle of the child controller to test if it's current 115 configuration options are valid. This is an optional 116 parameter that may be NULL. It will be NULL for device 117 drivers. It will also be NULL for bus drivers that wish 118 to test the configuration options for the bus controller. 119 It will not be NULL for a bus driver that wishes to test 120 configuration options for one of its child controllers. 121 122 @retval EFI_SUCCESS The controller specified by ControllerHandle and 123 ChildHandle that is being managed by the driver 124 specified by This has a valid set of configuration 125 options. 126 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE. 127 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE. 128 @retval EFI_UNSUPPORTED The driver specified by This is not currently 129 managing the controller specified by ControllerHandle 130 and ChildHandle. 131 @retval EFI_DEVICE_ERROR The controller specified by ControllerHandle and 132 ChildHandle that is being managed by the driver 133 specified by This has an invalid set of configuration 134 options. 135 136 **/ 137 typedef 138 EFI_STATUS 139 (EFIAPI *EFI_DRIVER_CONFIGURATION2_OPTIONS_VALID)( 140 IN EFI_DRIVER_CONFIGURATION2_PROTOCOL *This, 141 IN EFI_HANDLE ControllerHandle, 142 IN EFI_HANDLE ChildHandle OPTIONAL 143 ); 144 145 /** 146 Forces a driver to set the default configuration options for a controller. 147 148 @param This A pointer to the EFI_DRIVER_CONFIGURATION2_PROTOCOL instance. 149 @param ControllerHandle The handle of the controller to force default configuration options on. 150 @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 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. 151 @param DefaultType The type of default configuration options to force on the controller specified by ControllerHandle and ChildHandle. See Table 9-1 for legal values. A DefaultType of 0x00000000 must be supported by this protocol. 152 @param ActionRequired A pointer to the action that the calling agent is required to perform when this function returns. See "Related Definitions" in Section 9.1 for a list of the actions that the calling agent is required to perform prior to accessing ControllerHandle again. 153 154 @retval EFI_SUCCESS The driver specified by This successfully forced the default configuration options on the controller specified by ControllerHandle and ChildHandle. 155 @retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE. 156 @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid EFI_HANDLE. 157 @retval EFI_INVALID_PARAMETER ActionRequired is NULL. 158 @retval EFI_UNSUPPORTED The driver specified by This does not support forcing the default configuration options on the controller specified by ControllerHandle and ChildHandle. 159 @retval EFI_UNSUPPORTED The driver specified by This does not support the configuration type specified by DefaultType. 160 @retval EFI_DEVICE_ERROR A device error occurred while attempt to force the default configuration options on the controller specified by ControllerHandle and ChildHandle. 161 @retval EFI_OUT_RESOURCES There are not enough resources available to force the default configuration options on the controller specified by ControllerHandle and ChildHandle. 162 163 **/ 164 typedef 165 EFI_STATUS 166 (EFIAPI *EFI_DRIVER_CONFIGURATION2_FORCE_DEFAULTS)( 167 IN EFI_DRIVER_CONFIGURATION2_PROTOCOL *This, 168 IN EFI_HANDLE ControllerHandle, 169 IN EFI_HANDLE ChildHandle OPTIONAL, 170 IN UINT32 DefaultType, 171 OUT EFI_DRIVER_CONFIGURATION_ACTION_REQUIRED *ActionRequired 172 ); 173 174 /// 175 /// Used to set configuration options for a controller that an EFI Driver is managing. 176 /// 177 struct _EFI_DRIVER_CONFIGURATION2_PROTOCOL { 178 EFI_DRIVER_CONFIGURATION2_SET_OPTIONS SetOptions; 179 EFI_DRIVER_CONFIGURATION2_OPTIONS_VALID OptionsValid; 180 EFI_DRIVER_CONFIGURATION2_FORCE_DEFAULTS ForceDefaults; 181 /// 182 /// A Null-terminated ASCII string that contains one or more RFC 4646 183 /// language codes. This is the list of language codes that this protocol supports. 184 /// 185 CHAR8 *SupportedLanguages; 186 }; 187 188 extern EFI_GUID gEfiDriverConfiguration2ProtocolGuid; 189 190 #endif 191