1 /*
2 * Copyright (c) 2020, Intel Corporation
3 *
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5 * copy of this software and associated documentation files (the "Software"),
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8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 //!
23 //! \file     null_hardware.cpp
24 //! \brief    Defines interfaces for null hardware
25 #include "mos_os_mock_adaptor.h"
26 #include "null_hardware.h"
27 #include "mhw_mi.h"
28 
29 bool  NullHW::m_initilized = false;
30 bool  NullHW::m_enabled = false;
31 
Init(PMOS_CONTEXT osContext)32 MOS_STATUS NullHW::Init(
33     PMOS_CONTEXT osContext)
34 {
35     MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
36     MOS_OS_CHK_NULL_RETURN(osContext);
37 
38     if (!m_initilized) {
39         m_initilized = true;
40 
41         MOS_USER_FEATURE_VALUE_DATA UserFeatureData = {};
42         MOS_ZeroMemory(&UserFeatureData, sizeof(UserFeatureData));
43         MOS_UserFeature_ReadValue_ID(
44             nullptr,
45             __MEDIA_USER_FEATURE_VALUE_NULLHW_ENABLE_ID,
46             &UserFeatureData,
47             osContext);
48 
49         m_enabled = (UserFeatureData.i32Data) ? true : false;
50 
51         if (m_enabled)
52         {
53             eStatus = MosMockAdaptor::Init(osContext);
54         }
55         else
56         {
57             eStatus = MOS_STATUS_INVALID_HANDLE;
58         }
59 
60     }
61     return eStatus;
62 }
63 
Destroy()64 MOS_STATUS NullHW::Destroy()
65 {
66     return MosMockAdaptor::Destroy();
67 }
68 
StartPredicate(MhwMiInterface * miInterface,PMOS_COMMAND_BUFFER cmdBuffer)69 MOS_STATUS NullHW::StartPredicate(MhwMiInterface* miInterface, PMOS_COMMAND_BUFFER cmdBuffer)
70 {
71     if (!m_enabled)
72     {
73         return MOS_STATUS_SUCCESS;
74     }
75     MOS_OS_CHK_NULL_RETURN(miInterface);
76     MOS_OS_CHK_NULL_RETURN(cmdBuffer);
77 
78     return miInterface->AddMiSetPredicateCmd(cmdBuffer, MHW_MI_SET_PREDICATE_ENABLE_ALWAYS);
79 }
80 
StopPredicate(MhwMiInterface * miInterface,PMOS_COMMAND_BUFFER cmdBuffer)81 MOS_STATUS NullHW::StopPredicate(MhwMiInterface* miInterface, PMOS_COMMAND_BUFFER cmdBuffer)
82 {
83     if (!m_enabled)
84     {
85         return MOS_STATUS_SUCCESS;
86     }
87     MOS_OS_CHK_NULL_RETURN(miInterface);
88     MOS_OS_CHK_NULL_RETURN(cmdBuffer);
89 
90     return miInterface->AddMiSetPredicateCmd(cmdBuffer, MHW_MI_SET_PREDICATE_DISABLE);
91 }
92 
StatusReport(uint32_t & status,uint32_t & streamSize)93 void NullHW::StatusReport(uint32_t &status, uint32_t &streamSize)
94 {
95     if (!m_enabled)
96     {
97         return;
98     }
99 
100     status = 0;
101     streamSize = 1024;
102 }