projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 53269009 JY |
1 | /** @file\r |
| 2 | Platform VTd Info Sample PEI driver.\r | |
| 3 | \r | |
| 4 | Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | This program and the accompanying materials\r | |
| 6 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | http://opensource.org/licenses/bsd-license.php\r | |
| 9 | \r | |
| 10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | \r | |
| 13 | **/\r | |
| 14 | \r | |
| 15 | #include <PiPei.h>\r | |
| 16 | \r | |
| 17 | #include <Ppi/VTdInfo.h>\r | |
| 18 | \r | |
| 19 | #include <Library/PeiServicesLib.h>\r | |
| 20 | #include <Library/DebugLib.h>\r | |
| 21 | \r | |
| 22 | typedef struct {\r | |
| 23 | UINT64 Revision;\r | |
| 24 | UINT8 HostAddressWidth;\r | |
| 25 | UINT8 Reserved[3];\r | |
| 26 | UINT32 VTdEngineCount;\r | |
| 27 | UINT64 VTdEngineAddress[2];\r | |
| 28 | } MY_VTD_INFO_PPI;\r | |
| 29 | \r | |
| 30 | MY_VTD_INFO_PPI mPlatformVTdSample = {\r | |
| 31 | EDKII_VTD_INFO_PPI_REVISION,\r | |
| 32 | 0x26,\r | |
| 33 | {0},\r | |
| 34 | 2,\r | |
| 35 | {0xFED90000, 0xFED91000},\r | |
| 36 | };\r | |
| 37 | \r | |
| 38 | EFI_PEI_PPI_DESCRIPTOR mPlatformVTdInfoSampleDesc = {\r | |
| 39 | (EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),\r | |
| 40 | &gEdkiiVTdInfoPpiGuid,\r | |
| 41 | &mPlatformVTdSample\r | |
| 42 | };\r | |
| 43 | \r | |
| 44 | /**\r | |
| 45 | Platform VTd Info sample driver.\r | |
| 46 | \r | |
| 47 | @param[in] FileHandle Handle of the file being invoked.\r | |
| 48 | @param[in] PeiServices Describes the list of possible PEI Services.\r | |
| 49 | \r | |
| 50 | @retval EFI_SUCCESS if it completed successfully.\r | |
| 51 | **/\r | |
| 52 | EFI_STATUS\r | |
| 53 | EFIAPI\r | |
| 54 | PlatformVTdInfoSampleInitialize (\r | |
| 55 | IN EFI_PEI_FILE_HANDLE FileHandle,\r | |
| 56 | IN CONST EFI_PEI_SERVICES **PeiServices\r | |
| 57 | )\r | |
| 58 | {\r | |
| 59 | EFI_STATUS Status;\r | |
| 60 | \r | |
| 61 | Status = PeiServicesInstallPpi (&mPlatformVTdInfoSampleDesc);\r | |
| 62 | ASSERT_EFI_ERROR (Status);\r | |
| 63 | \r | |
| 64 | return Status;\r | |
| 65 | }\r |