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mu_feature_ffa/FfaFeaturePkg/Library/TestServiceLib

FfaFeaturePkg/Library/TestServiceLib/TestServiceLib.c

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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**/
30STATIC
31TestStatus
32TestNotificationHandler (
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**/
68VOID
69TestServiceInit (
70 VOID
71 )
72{
73 /* Nothing to Init */
74}
75
76/**
77 Deinitializes the Test service
78
79**/
80VOID
81TestServiceDeInit (
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**/
95VOID
96TestServiceHandle (
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}