1 /** @file 2 System Firmware update header file. 3 4 Copyright (c) 2016, 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 _SYSTEM_FIRMWARE_UPDATE_H_ 16 #define _SYSTEM_FIRMWARE_UPDATE_H_ 17 18 #include <PiDxe.h> 19 20 #include <Guid/SystemResourceTable.h> 21 #include <Guid/FirmwareContentsSigned.h> 22 #include <Guid/WinCertificate.h> 23 #include <Guid/EdkiiSystemFmpCapsule.h> 24 25 #include <Protocol/FirmwareManagement.h> 26 #include <Protocol/FirmwareVolumeBlock.h> 27 28 #include <Library/BaseLib.h> 29 #include <Library/BaseMemoryLib.h> 30 #include <Library/DebugLib.h> 31 #include <Library/MemoryAllocationLib.h> 32 #include <Library/PcdLib.h> 33 #include <Library/UefiBootServicesTableLib.h> 34 #include <Library/UefiLib.h> 35 #include <Library/UefiRuntimeServicesTableLib.h> 36 #include <Library/UefiDriverEntryPoint.h> 37 #include <Library/DevicePathLib.h> 38 #include <Library/HobLib.h> 39 #include <Library/DxeServicesLib.h> 40 #include <Library/DxeServicesTableLib.h> 41 #include <Library/PlatformFlashAccessLib.h> 42 #include <Library/EdkiiSystemCapsuleLib.h> 43 44 typedef struct { 45 UINT32 LastAttemptVersion; 46 UINT32 LastAttemptStatus; 47 } SYSTEM_FMP_LAST_ATTEMPT_VARIABLE; 48 49 #define SYSTEM_FMP_LAST_ATTEMPT_VARIABLE_NAME L"SystemLastAttempVar" 50 51 #define SYSTEM_FMP_LAST_ATTEMPT_VARIABLE_GUID {0x2f564d6f, 0xcc2c, 0x4838, { 0xb9, 0xa8, 0xbe, 0x59, 0x48, 0xb0, 0x3d, 0x59 }} 52 53 #define SYSTEM_FMP_PRIVATE_DATA_SIGNATURE SIGNATURE_32('S', 'Y', 'S', 'F') 54 55 #define SYSTEM_FMP_PROTOCOL_GUID {0x6d16624a, 0x26a6, 0x4cb4, { 0x84, 0xfa, 0x6, 0x78, 0x5a, 0x7e, 0x82, 0x6a }} 56 57 // 58 // SYSTEM FMP private data structure. 59 // 60 61 struct _SYSTEM_FMP_PRIVATE_DATA { 62 UINT32 Signature; 63 EFI_FIRMWARE_MANAGEMENT_PROTOCOL Fmp; 64 EFI_HANDLE Handle; 65 UINT8 DescriptorCount; 66 EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR *ImageDescriptor; 67 SYSTEM_FMP_LAST_ATTEMPT_VARIABLE LastAttempt; 68 }; 69 70 typedef struct _SYSTEM_FMP_PRIVATE_DATA SYSTEM_FMP_PRIVATE_DATA; 71 72 /** 73 Returns a pointer to the SYSTEM_FMP_PRIVATE_DATA structure from the input a as Fmp. 74 75 If the signatures matches, then a pointer to the data structure that contains 76 a specified field of that data structure is returned. 77 78 @param a Pointer to the field specified by ServiceBinding within 79 a data structure of type SYSTEM_FMP_PRIVATE_DATA. 80 81 **/ 82 #define SYSTEM_FMP_PRIVATE_DATA_FROM_FMP(a) \ 83 CR ( \ 84 (a), \ 85 SYSTEM_FMP_PRIVATE_DATA, \ 86 Fmp, \ 87 SYSTEM_FMP_PRIVATE_DATA_SIGNATURE \ 88 ) 89 90 91 // 92 // Update data 93 // 94 95 typedef struct { 96 UINTN NumOfUpdates; 97 } CONFIG_HEADER; 98 99 typedef struct { 100 UINTN Index; 101 PLATFORM_FIRMWARE_TYPE FirmwareType; 102 FLASH_ADDRESS_TYPE AddressType; 103 EFI_GUID FileGuid; 104 EFI_PHYSICAL_ADDRESS BaseAddress; 105 UINTN Length; 106 UINTN ImageOffset; 107 } UPDATE_CONFIG_DATA; 108 109 // 110 // System Firmware Update SMM Communication 111 // 112 113 #define SYSTEM_FIRMWARE_UPDATE_COMMUNICATION_FUNCTION_SET_IMAGE 1 114 115 typedef struct { 116 UINTN Function; 117 EFI_STATUS ReturnStatus; 118 //UINT8 Data[]; 119 } SYSTEM_FIRMWARE_UPDATE_COMMUNICATION_HEAD; 120 121 #define ABORT_REASON_MAX_SIZE 0x40 // UnicodeStringSize including final L'\0' 122 123 #define CAPSULE_IMAGE_ADDITIONAL_MAX_SIZE (0x20020 + 0xA0000) // Addtional size for Capsule Header, FV block alignment + DispatchImage. 124 125 typedef struct { 126 UINT8 ImageIndex; 127 UINTN ImageSize; 128 UINTN AbortReasonSize; 129 UINT32 LastAttemptVersion; 130 UINT32 LastAttemptStatus; 131 //UINT8 Data[AbortReasonMaxSize + ImageSize]; 132 } SYSTEM_FIRMWARE_UPDATE_COMMUNICATION_SET_IMAGE; 133 134 135 /** 136 Returns information about the current firmware image(s) of the device. 137 138 This function allows a copy of the current firmware image to be created and saved. 139 The saved copy could later been used, for example, in firmware image recovery or rollback. 140 141 @param[in] This A pointer to the EFI_FIRMWARE_MANAGEMENT_PROTOCOL instance. 142 @param[in, out] ImageInfoSize A pointer to the size, in bytes, of the ImageInfo buffer. 143 On input, this is the size of the buffer allocated by the caller. 144 On output, it is the size of the buffer returned by the firmware 145 if the buffer was large enough, or the size of the buffer needed 146 to contain the image(s) information if the buffer was too small. 147 @param[in, out] ImageInfo A pointer to the buffer in which firmware places the current image(s) 148 information. The information is an array of EFI_FIRMWARE_IMAGE_DESCRIPTORs. 149 @param[out] DescriptorVersion A pointer to the location in which firmware returns the version number 150 associated with the EFI_FIRMWARE_IMAGE_DESCRIPTOR. 151 @param[out] DescriptorCount A pointer to the location in which firmware returns the number of 152 descriptors or firmware images within this device. 153 @param[out] DescriptorSize A pointer to the location in which firmware returns the size, in bytes, 154 of an individual EFI_FIRMWARE_IMAGE_DESCRIPTOR. 155 @param[out] PackageVersion A version number that represents all the firmware images in the device. 156 The format is vendor specific and new version must have a greater value 157 than the old version. If PackageVersion is not supported, the value is 158 0xFFFFFFFF. A value of 0xFFFFFFFE indicates that package version comparison 159 is to be performed using PackageVersionName. A value of 0xFFFFFFFD indicates 160 that package version update is in progress. 161 @param[out] PackageVersionName A pointer to a pointer to a null-terminated string representing the 162 package version name. The buffer is allocated by this function with 163 AllocatePool(), and it is the caller's responsibility to free it with a call 164 to FreePool(). 165 166 @retval EFI_SUCCESS The device was successfully updated with the new image. 167 @retval EFI_BUFFER_TOO_SMALL The ImageInfo buffer was too small. The current buffer size 168 needed to hold the image(s) information is returned in ImageInfoSize. 169 @retval EFI_INVALID_PARAMETER ImageInfoSize is NULL. 170 @retval EFI_DEVICE_ERROR Valid information could not be returned. Possible corrupted image. 171 172 **/ 173 EFI_STATUS 174 EFIAPI 175 FmpGetImageInfo ( 176 IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This, 177 IN OUT UINTN *ImageInfoSize, 178 IN OUT EFI_FIRMWARE_IMAGE_DESCRIPTOR *ImageInfo, 179 OUT UINT32 *DescriptorVersion, 180 OUT UINT8 *DescriptorCount, 181 OUT UINTN *DescriptorSize, 182 OUT UINT32 *PackageVersion, 183 OUT CHAR16 **PackageVersionName 184 ); 185 186 /** 187 Retrieves a copy of the current firmware image of the device. 188 189 This function allows a copy of the current firmware image to be created and saved. 190 The saved copy could later been used, for example, in firmware image recovery or rollback. 191 192 @param[in] This A pointer to the EFI_FIRMWARE_MANAGEMENT_PROTOCOL instance. 193 @param[in] ImageIndex A unique number identifying the firmware image(s) within the device. 194 The number is between 1 and DescriptorCount. 195 @param[in,out] Image Points to the buffer where the current image is copied to. 196 @param[in,out] ImageSize On entry, points to the size of the buffer pointed to by Image, in bytes. 197 On return, points to the length of the image, in bytes. 198 199 @retval EFI_SUCCESS The device was successfully updated with the new image. 200 @retval EFI_BUFFER_TOO_SMALL The buffer specified by ImageSize is too small to hold the 201 image. The current buffer size needed to hold the image is returned 202 in ImageSize. 203 @retval EFI_INVALID_PARAMETER The Image was NULL. 204 @retval EFI_NOT_FOUND The current image is not copied to the buffer. 205 @retval EFI_UNSUPPORTED The operation is not supported. 206 @retval EFI_SECURITY_VIOLATIO The operation could not be performed due to an authentication failure. 207 208 **/ 209 EFI_STATUS 210 EFIAPI 211 FmpGetImage ( 212 IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This, 213 IN UINT8 ImageIndex, 214 IN OUT VOID *Image, 215 IN OUT UINTN *ImageSize 216 ); 217 218 /** 219 Updates the firmware image of the device. 220 221 This function updates the hardware with the new firmware image. 222 This function returns EFI_UNSUPPORTED if the firmware image is not updatable. 223 If the firmware image is updatable, the function should perform the following minimal validations 224 before proceeding to do the firmware image update. 225 - Validate the image authentication if image has attribute 226 IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED. The function returns 227 EFI_SECURITY_VIOLATION if the validation fails. 228 - Validate the image is a supported image for this device. The function returns EFI_ABORTED if 229 the image is unsupported. The function can optionally provide more detailed information on 230 why the image is not a supported image. 231 - Validate the data from VendorCode if not null. Image validation must be performed before 232 VendorCode data validation. VendorCode data is ignored or considered invalid if image 233 validation failed. The function returns EFI_ABORTED if the data is invalid. 234 235 VendorCode enables vendor to implement vendor-specific firmware image update policy. Null if 236 the caller did not specify the policy or use the default policy. As an example, vendor can implement 237 a policy to allow an option to force a firmware image update when the abort reason is due to the new 238 firmware image version is older than the current firmware image version or bad image checksum. 239 Sensitive operations such as those wiping the entire firmware image and render the device to be 240 non-functional should be encoded in the image itself rather than passed with the VendorCode. 241 AbortReason enables vendor to have the option to provide a more detailed description of the abort 242 reason to the caller. 243 244 @param[in] This A pointer to the EFI_FIRMWARE_MANAGEMENT_PROTOCOL instance. 245 @param[in] ImageIndex A unique number identifying the firmware image(s) within the device. 246 The number is between 1 and DescriptorCount. 247 @param[in] Image Points to the new image. 248 @param[in] ImageSize Size of the new image in bytes. 249 @param[in] VendorCode This enables vendor to implement vendor-specific firmware image update policy. 250 Null indicates the caller did not specify the policy or use the default policy. 251 @param[in] Progress A function used by the driver to report the progress of the firmware update. 252 @param[out] AbortReason A pointer to a pointer to a null-terminated string providing more 253 details for the aborted operation. The buffer is allocated by this function 254 with AllocatePool(), and it is the caller's responsibility to free it with a 255 call to FreePool(). 256 257 @retval EFI_SUCCESS The device was successfully updated with the new image. 258 @retval EFI_ABORTED The operation is aborted. 259 @retval EFI_INVALID_PARAMETER The Image was NULL. 260 @retval EFI_UNSUPPORTED The operation is not supported. 261 @retval EFI_SECURITY_VIOLATIO The operation could not be performed due to an authentication failure. 262 263 **/ 264 EFI_STATUS 265 EFIAPI 266 FmpSetImage ( 267 IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This, 268 IN UINT8 ImageIndex, 269 IN CONST VOID *Image, 270 IN UINTN ImageSize, 271 IN CONST VOID *VendorCode, 272 IN EFI_FIRMWARE_MANAGEMENT_UPDATE_IMAGE_PROGRESS Progress, 273 OUT CHAR16 **AbortReason 274 ); 275 276 /** 277 Checks if the firmware image is valid for the device. 278 279 This function allows firmware update application to validate the firmware image without 280 invoking the SetImage() first. 281 282 @param[in] This A pointer to the EFI_FIRMWARE_MANAGEMENT_PROTOCOL instance. 283 @param[in] ImageIndex A unique number identifying the firmware image(s) within the device. 284 The number is between 1 and DescriptorCount. 285 @param[in] Image Points to the new image. 286 @param[in] ImageSize Size of the new image in bytes. 287 @param[out] ImageUpdatable Indicates if the new image is valid for update. It also provides, 288 if available, additional information if the image is invalid. 289 290 @retval EFI_SUCCESS The image was successfully checked. 291 @retval EFI_INVALID_PARAMETER The Image was NULL. 292 @retval EFI_UNSUPPORTED The operation is not supported. 293 @retval EFI_SECURITY_VIOLATIO The operation could not be performed due to an authentication failure. 294 295 **/ 296 EFI_STATUS 297 EFIAPI 298 FmpCheckImage ( 299 IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This, 300 IN UINT8 ImageIndex, 301 IN CONST VOID *Image, 302 IN UINTN ImageSize, 303 OUT UINT32 *ImageUpdatable 304 ); 305 306 /** 307 Returns information about the firmware package. 308 309 This function returns package information. 310 311 @param[in] This A pointer to the EFI_FIRMWARE_MANAGEMENT_PROTOCOL instance. 312 @param[out] PackageVersion A version number that represents all the firmware images in the device. 313 The format is vendor specific and new version must have a greater value 314 than the old version. If PackageVersion is not supported, the value is 315 0xFFFFFFFF. A value of 0xFFFFFFFE indicates that package version 316 comparison is to be performed using PackageVersionName. A value of 317 0xFFFFFFFD indicates that package version update is in progress. 318 @param[out] PackageVersionName A pointer to a pointer to a null-terminated string representing 319 the package version name. The buffer is allocated by this function with 320 AllocatePool(), and it is the caller's responsibility to free it with a 321 call to FreePool(). 322 @param[out] PackageVersionNameMaxLen The maximum length of package version name if device supports update of 323 package version name. A value of 0 indicates the device does not support 324 update of package version name. Length is the number of Unicode characters, 325 including the terminating null character. 326 @param[out] AttributesSupported Package attributes that are supported by this device. See 'Package Attribute 327 Definitions' for possible returned values of this parameter. A value of 1 328 indicates the attribute is supported and the current setting value is 329 indicated in AttributesSetting. A value of 0 indicates the attribute is not 330 supported and the current setting value in AttributesSetting is meaningless. 331 @param[out] AttributesSetting Package attributes. See 'Package Attribute Definitions' for possible returned 332 values of this parameter 333 334 @retval EFI_SUCCESS The package information was successfully returned. 335 @retval EFI_UNSUPPORTED The operation is not supported. 336 337 **/ 338 EFI_STATUS 339 EFIAPI 340 FmpGetPackageInfo ( 341 IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This, 342 OUT UINT32 *PackageVersion, 343 OUT CHAR16 **PackageVersionName, 344 OUT UINT32 *PackageVersionNameMaxLen, 345 OUT UINT64 *AttributesSupported, 346 OUT UINT64 *AttributesSetting 347 ); 348 349 /** 350 Updates information about the firmware package. 351 352 This function updates package information. 353 This function returns EFI_UNSUPPORTED if the package information is not updatable. 354 VendorCode enables vendor to implement vendor-specific package information update policy. 355 Null if the caller did not specify this policy or use the default policy. 356 357 @param[in] This A pointer to the EFI_FIRMWARE_MANAGEMENT_PROTOCOL instance. 358 @param[in] Image Points to the authentication image. 359 Null if authentication is not required. 360 @param[in] ImageSize Size of the authentication image in bytes. 361 0 if authentication is not required. 362 @param[in] VendorCode This enables vendor to implement vendor-specific firmware 363 image update policy. 364 Null indicates the caller did not specify this policy or use 365 the default policy. 366 @param[in] PackageVersion The new package version. 367 @param[in] PackageVersionName A pointer to the new null-terminated Unicode string representing 368 the package version name. 369 The string length is equal to or less than the value returned in 370 PackageVersionNameMaxLen. 371 372 @retval EFI_SUCCESS The device was successfully updated with the new package 373 information. 374 @retval EFI_INVALID_PARAMETER The PackageVersionName length is longer than the value 375 returned in PackageVersionNameMaxLen. 376 @retval EFI_UNSUPPORTED The operation is not supported. 377 @retval EFI_SECURITY_VIOLATIO The operation could not be performed due to an authentication failure. 378 379 **/ 380 EFI_STATUS 381 EFIAPI 382 FmpSetPackageInfo ( 383 IN EFI_FIRMWARE_MANAGEMENT_PROTOCOL *This, 384 IN CONST VOID *Image, 385 IN UINTN ImageSize, 386 IN CONST VOID *VendorCode, 387 IN UINT32 PackageVersion, 388 IN CONST CHAR16 *PackageVersionName 389 ); 390 391 /** 392 Initialize SystemFmpDriver private data structure. 393 394 @param[in] SystemFmpPrivate private data structure to be initialized. 395 396 @return EFI_SUCCESS private data is initialized. 397 **/ 398 EFI_STATUS 399 InitializePrivateData ( 400 IN SYSTEM_FMP_PRIVATE_DATA *SystemFmpPrivate 401 ); 402 403 extern EFI_GUID gSystemFmpLastAttemptVariableGuid; 404 extern EFI_GUID mCurrentImageTypeId; 405 extern EFI_GUID gSystemFmpProtocolGuid; 406 407 #endif 408 409