projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 275d4bd4 SV |
1 | /** @file\r |
| 2 | Private header with declarations and definitions specific to the MM Standalone\r | |
| 3 | CPU driver\r | |
| 4 | \r | |
| 9a0f88b5 | 5 | Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.\r |
| 86094561 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 275d4bd4 SV |
7 | \r |
| 8 | **/\r | |
| 9 | \r | |
| 10 | #ifndef _ARM_TF_CPU_DRIVER_H_\r | |
| 11 | #define _ARM_TF_CPU_DRIVER_H_\r | |
| 12 | \r | |
| 88899a37 | 13 | #include <Protocol/MmCommunication2.h>\r |
| 275d4bd4 SV |
14 | #include <Protocol/MmConfiguration.h>\r |
| 15 | #include <Protocol/MmCpu.h>\r | |
| 16 | #include <Guid/MpInformation.h>\r | |
| 17 | \r | |
| 18 | //\r | |
| 19 | // CPU driver initialization specific declarations\r | |
| 20 | //\r | |
| 21 | extern EFI_MM_SYSTEM_TABLE *mMmst;\r | |
| 22 | \r | |
| 23 | //\r | |
| 24 | // CPU State Save protocol specific declarations\r | |
| 25 | //\r | |
| 26 | extern EFI_MM_CPU_PROTOCOL mMmCpuState;\r | |
| 27 | \r | |
| 28 | //\r | |
| 29 | // MM event handling specific declarations\r | |
| 30 | //\r | |
| 31 | extern EFI_MM_COMMUNICATE_HEADER **PerCpuGuidedEventContext;\r | |
| 32 | extern EFI_MMRAM_DESCRIPTOR mNsCommBuffer;\r | |
| 33 | extern MP_INFORMATION_HOB_DATA *mMpInformationHobData;\r | |
| 34 | extern EFI_MM_CONFIGURATION_PROTOCOL mMmConfig;\r | |
| 35 | \r | |
| 9a0f88b5 SM |
36 | /**\r |
| 37 | The PI Standalone MM entry point for the TF-A CPU driver.\r | |
| 38 | \r | |
| 39 | @param [in] EventId The event Id.\r | |
| 40 | @param [in] CpuNumber The CPU number.\r | |
| 41 | @param [in] NsCommBufferAddr Address of the NS common buffer.\r | |
| 42 | \r | |
| 43 | @retval EFI_SUCCESS Success.\r | |
| 44 | @retval EFI_INVALID_PARAMETER A parameter was invalid.\r | |
| 45 | @retval EFI_ACCESS_DENIED Access not permitted.\r | |
| 46 | @retval EFI_OUT_OF_RESOURCES Out of resources.\r | |
| 47 | @retval EFI_UNSUPPORTED Operation not supported.\r | |
| 48 | **/\r | |
| 275d4bd4 | 49 | EFI_STATUS\r |
| c8102727 | 50 | PiMmStandaloneArmTfCpuDriverEntry (\r |
| 275d4bd4 SV |
51 | IN UINTN EventId,\r |
| 52 | IN UINTN CpuNumber,\r | |
| 53 | IN UINTN NsCommBufferAddr\r | |
| 54 | );\r | |
| 55 | \r | |
| 9a0f88b5 SM |
56 | /**\r |
| 57 | This function is the main entry point for an MM handler dispatch\r | |
| 58 | or communicate-based callback.\r | |
| 59 | \r | |
| 60 | @param DispatchHandle The unique handle assigned to this handler by\r | |
| 61 | MmiHandlerRegister().\r | |
| 62 | @param Context Points to an optional handler context which was\r | |
| 63 | specified when the handler was registered.\r | |
| 64 | @param CommBuffer A pointer to a collection of data in memory that will\r | |
| 65 | be conveyed from a non-MM environment into an\r | |
| 66 | MM environment.\r | |
| 67 | @param CommBufferSize The size of the CommBuffer.\r | |
| 68 | \r | |
| 69 | @return Status Code\r | |
| 70 | \r | |
| 71 | **/\r | |
| 275d4bd4 SV |
72 | EFI_STATUS\r |
| 73 | EFIAPI\r | |
| 74 | PiMmCpuTpFwRootMmiHandler (\r | |
| 75 | IN EFI_HANDLE DispatchHandle,\r | |
| 76 | IN CONST VOID *Context, OPTIONAL\r | |
| 77 | IN OUT VOID *CommBuffer, OPTIONAL\r | |
| 78 | IN OUT UINTN *CommBufferSize OPTIONAL\r | |
| 79 | );\r | |
| 80 | \r | |
| 275d4bd4 | 81 | #endif\r |