microsoft/mu_feature_ffa
Publicmirrored fromhttps://github.com/microsoft/mu_feature_ffaAvailable
FfaFeaturePkg/Library/TestServiceLib/TestServiceLib.c
117lines · modecode
| 1 | /** @file |
| 2 | Implementation for the Test Service |
| 3 | |
| 4 | Copyright (c), Microsoft Corporation. |
| 5 | SPDX-License-Identifier: BSD-2-Clause-Patent |
| 6 | |
| 7 | **/ |
| 8 | |
| 9 | #include <Uefi.h> |
| 10 | #include <Library/DebugLib.h> |
| 11 | #include <Library/BaseMemoryLib.h> |
| 12 | #include <Library/TestServiceLib.h> |
| 13 | #include <Library/NotificationServiceLib.h> |
| 14 | #include <Guid/TestServiceFfa.h> |
| 15 | #include <Guid/NotificationServiceFfa.h> |
| 16 | |
| 17 | /* Test Service Defines */ |
| 18 | #define DELAYED_SRI_BIT_POS (1) |
| 19 | |
| 20 | /** |
| 21 | Handler for Test Notification command |
| 22 | |
| 23 | @param Request The incoming message |
| 24 | @param Response The outgoing message |
| 25 | |
| 26 | @retval TEST_STATUS_SUCCESS Success |
| 27 | @retval TEST_STATUS_INVALID_PARAMETER Invalid Parameter |
| 28 | |
| 29 | **/ |
| 30 | STATIC |
| 31 | TestStatus |
| 32 | TestNotificationHandler ( |
| 33 | DIRECT_MSG_ARGS_EX *Request, |
| 34 | DIRECT_MSG_ARGS_EX *Response |
| 35 | ) |
| 36 | { |
| 37 | UINT8 Uuid[16]; |
| 38 | TestStatus ReturnVal; |
| 39 | UINT32 Flag; |
| 40 | UINT32 Cookie; |
| 41 | NotificationStatus Status; |
| 42 | |
| 43 | ReturnVal = TEST_STATUS_INVALID_PARAMETER; |
| 44 | |
| 45 | /* Extract the UUID from the message x5-x6 (i.e. Arg1-Arg2) */ |
| 46 | NotificationServiceExtractUuid (Request->Arg1, Request->Arg2, Uuid); |
| 47 | |
| 48 | /* Set the notification set flag to be a delayed SRI */ |
| 49 | Flag = (1 << DELAYED_SRI_BIT_POS); |
| 50 | Cookie = Request->Arg3; |
| 51 | Status = NotificationServiceIdSet (Cookie, Uuid, Flag); |
| 52 | |
| 53 | /* Check for a valid UUID and validate the input parameters */ |
| 54 | if (Status == NOTIFICATION_STATUS_SUCCESS) { |
| 55 | ReturnVal = TEST_STATUS_SUCCESS; |
| 56 | } else { |
| 57 | DEBUG ((DEBUG_ERROR, "Test Notification Handler Failed\n")); |
| 58 | } |
| 59 | |
| 60 | Response->Arg0 = ReturnVal; |
| 61 | return ReturnVal; |
| 62 | } |
| 63 | |
| 64 | /** |
| 65 | Initializes the Test service |
| 66 | |
| 67 | **/ |
| 68 | VOID |
| 69 | TestServiceInit ( |
| 70 | VOID |
| 71 | ) |
| 72 | { |
| 73 | /* Nothing to Init */ |
| 74 | } |
| 75 | |
| 76 | /** |
| 77 | Deinitializes the Test service |
| 78 | |
| 79 | **/ |
| 80 | VOID |
| 81 | TestServiceDeInit ( |
| 82 | VOID |
| 83 | ) |
| 84 | { |
| 85 | /* Nothing to Deinit */ |
| 86 | } |
| 87 | |
| 88 | /** |
| 89 | Handler for Test service commands |
| 90 | |
| 91 | @param Request The incoming message |
| 92 | @param Response The outgoing message |
| 93 | |
| 94 | **/ |
| 95 | VOID |
| 96 | TestServiceHandle ( |
| 97 | DIRECT_MSG_ARGS_EX *Request, |
| 98 | DIRECT_MSG_ARGS_EX *Response |
| 99 | ) |
| 100 | { |
| 101 | /* Validate the input parameters before attempting to dereference or pass them along */ |
| 102 | if ((Request == NULL) || (Response == NULL)) { |
| 103 | return; |
| 104 | } |
| 105 | |
| 106 | /* Command Opcode = x4 (i.e. Arg0)*/ |
| 107 | switch (Request->Arg0) { |
| 108 | case TEST_OPCODE_TEST_NOTIFICATION: |
| 109 | TestNotificationHandler (Request, Response); |
| 110 | break; |
| 111 | |
| 112 | default: |
| 113 | Response->Arg0 = TEST_STATUS_INVALID_PARAMETER; |
| 114 | DEBUG ((DEBUG_ERROR, "Invalid Test Service Opcode\n")); |
| 115 | break; |
| 116 | } |
| 117 | } |
| 118 | |