1 /*
2 * SPDX-FileCopyrightText: Copyright (c) 2019-2023 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 "core/core.h"
25 #include "gpu/gpu.h"
26 #include "gpu/mem_mgr/mem_mgr.h"
27 #include "gpu/mmu/kern_gmmu.h"
28 #include "gpu/bus/kern_bus.h"
29 #include "gpu/gsp/gsp_static_config.h"
30 #include "vgpu/vgpu_events.h"
31 #include <ctrl/ctrl2080/ctrl2080fb.h>
32 #include "gpu/mem_mgr/fermi_dma.h"
33 #include "nvoc/prelude.h"
34
35 /*!
36 * @brief Initialize FB regions from static info obtained from GSP FW. Also,
37 * initialize region table related RAM fields.
38 */
39 NV_STATUS
memmgrInitBaseFbRegions_FWCLIENT(OBJGPU * pGpu,MemoryManager * pMemoryManager)40 memmgrInitBaseFbRegions_FWCLIENT
41 (
42 OBJGPU *pGpu,
43 MemoryManager *pMemoryManager
44 )
45 {
46 NV2080_CTRL_CMD_FB_GET_FB_REGION_INFO_PARAMS *pFbRegionInfoParams;
47 NV2080_CTRL_CMD_FB_GET_FB_REGION_FB_REGION_INFO *pFbRegionInfo;
48 GspStaticConfigInfo *pGSCI = GPU_GET_GSP_STATIC_INFO(pGpu);
49 NvU64 bias;
50 NvU32 i;
51
52 // sanity checks
53 if (pGSCI == NULL)
54 {
55 NV_PRINTF(LEVEL_ERROR, "Missing static info.\n");
56
57 return NV_ERR_INVALID_STATE;
58 }
59
60 pFbRegionInfoParams = &pGSCI->fbRegionInfoParams;
61 if (pFbRegionInfoParams->numFBRegions == 0)
62 {
63 NV_PRINTF(LEVEL_ERROR,
64 "Missing FB region table in GSP Init arguments.\n");
65
66 return NV_ERR_INVALID_PARAMETER;
67 }
68
69 if (pFbRegionInfoParams->numFBRegions > MAX_FB_REGIONS)
70 {
71 NV_PRINTF(LEVEL_ERROR,
72 "Static info struct has more FB regions (%u) than FB supports (%u).\n",
73 pFbRegionInfoParams->numFBRegions, MAX_FB_REGIONS);
74
75 return NV_ERR_INVALID_PARAMETER;
76 }
77
78 pMemoryManager->Ram.reservedMemSize = 0;
79 pMemoryManager->Ram.fbUsableMemSize = 0;
80
81 // Copy FB regions from static info structure
82 for (i = 0; i < pFbRegionInfoParams->numFBRegions; i++)
83 {
84 pFbRegionInfo = &pFbRegionInfoParams->fbRegion[i];
85 pMemoryManager->Ram.fbRegion[i].base = pFbRegionInfo->base;
86 pMemoryManager->Ram.fbRegion[i].limit = pFbRegionInfo->limit;
87 pMemoryManager->Ram.fbRegion[i].bProtected = pFbRegionInfo->bProtected;
88 pMemoryManager->Ram.fbRegion[i].bInternalHeap = NV_FALSE;
89 pMemoryManager->Ram.fbRegion[i].performance = pFbRegionInfo->performance;
90 pMemoryManager->Ram.fbRegion[i].bSupportCompressed = pFbRegionInfo->supportCompressed;
91 pMemoryManager->Ram.fbRegion[i].bSupportISO = pFbRegionInfo->supportISO;
92 pMemoryManager->Ram.fbRegion[i].rsvdSize = pFbRegionInfo->reserved;
93
94 if (pFbRegionInfo->reserved)
95 {
96 pMemoryManager->Ram.fbRegion[i].bRsvdRegion = NV_TRUE;
97 pMemoryManager->Ram.reservedMemSize += pMemoryManager->Ram.fbRegion[i].rsvdSize;
98 }
99 else
100 {
101 pMemoryManager->Ram.fbRegion[i].bRsvdRegion = NV_FALSE;
102 pMemoryManager->Ram.fbUsableMemSize += (pMemoryManager->Ram.fbRegion[i].limit -
103 pMemoryManager->Ram.fbRegion[i].base + 1);
104 }
105 }
106 pMemoryManager->Ram.numFBRegions = pFbRegionInfoParams->numFBRegions;
107
108 // Round up to the closest megabyte.
109 bias = (1 << 20) - 1;
110 //
111 // fbTotalMemSizeMb was set to fbUsableMemSize. However, in RM-offload,
112 // GSP-RM reserves some FB regions for its own usage, thus fbUsableMemSize
113 // won't represent the exact FB size. Instead, we are taking the FB size
114 // from the static info provided by GSP-RM.
115 //
116 pMemoryManager->Ram.fbTotalMemSizeMb = (pGSCI->fb_length + bias) >> 20;
117 pMemoryManager->Ram.fbAddrSpaceSizeMb =
118 (pMemoryManager->Ram.fbRegion[pFbRegionInfoParams->numFBRegions - 1].limit + bias) >> 20;
119
120 NV_ASSERT(pMemoryManager->Ram.fbAddrSpaceSizeMb >= pMemoryManager->Ram.fbTotalMemSizeMb);
121
122 // Dump some stats, region table is dumped in memsysStateLoad
123 NV_PRINTF(LEVEL_INFO, "FB Memory from Static info:\n");
124 NV_PRINTF(LEVEL_INFO, "Reserved Memory=0x%llx, Usable Memory=0x%llx\n",
125 pMemoryManager->Ram.reservedMemSize, pMemoryManager->Ram.fbUsableMemSize);
126 NV_PRINTF(LEVEL_INFO, "fbTotalMemSizeMb=0x%llx, fbAddrSpaceSizeMb=0x%llx\n",
127 pMemoryManager->Ram.fbTotalMemSizeMb, pMemoryManager->Ram.fbAddrSpaceSizeMb);
128
129 return NV_OK;
130 }
131