1 /*
2 * SPDX-FileCopyrightText: Copyright (c) 1993-2023 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
3 * SPDX-License-Identifier: MIT
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
22 */
23
24 #include "os/os.h"
25 #include "kernel/gpu/mig_mgr/kernel_mig_manager.h"
26 #include "kernel/gpu/fifo/kernel_channel.h"
27 #include "kernel/gpu/nvdec/kernel_nvdec_ctx.h"
28 #include "kernel/gpu/device/device.h"
29
30 #include "class/cla0b0.h" // NVA0B0_VIDEO_DECODER
31 #include "class/clb0b0.h" // NVB0B0_VIDEO_DECODER
32 #include "class/clb6b0.h" // NVB6B0_VIDEO_DECODER
33 #include "class/clb8b0.h" // NVB8B0_VIDEO_DECODER
34 #include "class/clc1b0.h" // NVC1B0_VIDEO_DECODER
35 #include "class/clc2b0.h" // NVC2B0_VIDEO_DECODER
36 #include "class/clc3b0.h" // NVC3B0_VIDEO_DECODER
37 #include "class/clc4b0.h" // NVC4B0_VIDEO_DECODER
38 #include "class/clc6b0.h" // NVC6B0_VIDEO_DECODER
39 #include "class/clc7b0.h" // NVC7B0_VIDEO_DECODER
40 #include "class/clc9b0.h" // NVC9B0_VIDEO_DECODER
41
42 /*
43 * This function returns an engine descriptor corresponding to the class
44 * and engine instance passed in.
45 *
46 * @params[in] externalClassId Id of class being allocated
47 * @params[in] pAllocParams void pointer containing creation parameters.
48 *
49 * @returns
50 * ENG_INVALID, for unknown engine. Returns the right engine descriptor otherwise.
51 */
52 ENGDESCRIPTOR
nvdecGetEngineDescFromAllocParams(OBJGPU * pGpu,NvU32 externalClassId,void * pAllocParams)53 nvdecGetEngineDescFromAllocParams
54 (
55 OBJGPU *pGpu,
56 NvU32 externalClassId,
57 void *pAllocParams
58 )
59 {
60 CALL_CONTEXT *pCallContext = resservGetTlsCallContext();
61 NvU32 engineInstance = 0;
62 NV_BSP_ALLOCATION_PARAMETERS *pNvdecAllocParams = pAllocParams;
63
64 NV_ASSERT_OR_RETURN((pNvdecAllocParams != NULL), ENG_INVALID);
65
66 if (pNvdecAllocParams->size != sizeof(NV_BSP_ALLOCATION_PARAMETERS))
67 {
68 NV_PRINTF(LEVEL_ERROR, "createParams size mismatch (rm = 0x%x / client = 0x%x)\n",
69 (NvU32) sizeof(NV_BSP_ALLOCATION_PARAMETERS),
70 pNvdecAllocParams->size);
71 DBG_BREAKPOINT();
72 return ENG_INVALID;
73 }
74
75 switch (externalClassId)
76 {
77 case NVA0B0_VIDEO_DECODER:
78 case NVB0B0_VIDEO_DECODER:
79 case NVB6B0_VIDEO_DECODER:
80 case NVC1B0_VIDEO_DECODER:
81 case NVC2B0_VIDEO_DECODER:
82 case NVC3B0_VIDEO_DECODER:
83 engineInstance = 0;
84 break;
85 case NVC4B0_VIDEO_DECODER:
86 case NVC6B0_VIDEO_DECODER:
87 case NVC7B0_VIDEO_DECODER:
88 case NVC9B0_VIDEO_DECODER:
89 case NVB8B0_VIDEO_DECODER:
90 engineInstance = pNvdecAllocParams->engineInstance;
91 break;
92 default:
93 return ENG_INVALID;
94 }
95
96 if (IS_MIG_IN_USE(pGpu))
97 {
98 KernelMIGManager *pKernelMIGManager = GPU_GET_KERNEL_MIG_MANAGER(pGpu);
99 MIG_INSTANCE_REF ref;
100 RM_ENGINE_TYPE rmEngineType;
101 RsResourceRef *pDeviceRef = NULL;
102
103 NV_ASSERT_OK(
104 refFindAncestorOfType(pCallContext->pResourceRef,
105 classId(Device), &pDeviceRef));
106
107 if (pDeviceRef == NULL)
108 return ENG_INVALID;
109
110 NV_ASSERT_OK(
111 kmigmgrGetInstanceRefFromDevice(pGpu, pKernelMIGManager,
112 dynamicCast(pDeviceRef->pResource, Device),
113 &ref));
114
115 NV_ASSERT_OK(
116 kmigmgrGetLocalToGlobalEngineType(pGpu, pKernelMIGManager, ref,
117 RM_ENGINE_TYPE_NVDEC(engineInstance),
118 &rmEngineType));
119 return ENG_NVDEC(RM_ENGINE_TYPE_NVDEC_IDX(rmEngineType));
120 }
121
122 // Get the right class as per engine instance.
123 return ENG_NVDEC(engineInstance);
124 }
125