diff options
author | Joshua Bakita <bakitajoshua@gmail.com> | 2023-06-28 18:24:25 -0400 |
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committer | Joshua Bakita <bakitajoshua@gmail.com> | 2023-06-28 18:24:25 -0400 |
commit | 01e6fac4d61fdd7fff5433942ec93fc2ea1e4df1 (patch) | |
tree | 4ef34501728a087be24f4ba0af90f91486bf780b /include/os/linux/ltc.c | |
parent | 306a03d18b305e4e573be3b2931978fa10679eb9 (diff) |
Include nvgpu headers
These are needed to build on NVIDIA's Jetson boards for the time
being. Only a couple structs are required, so it should be fairly
easy to remove this dependency at some point in the future.
Diffstat (limited to 'include/os/linux/ltc.c')
-rw-r--r-- | include/os/linux/ltc.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/include/os/linux/ltc.c b/include/os/linux/ltc.c new file mode 100644 index 0000000..baeb20b --- /dev/null +++ b/include/os/linux/ltc.c | |||
@@ -0,0 +1,60 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved. | ||
3 | * | ||
4 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
5 | * copy of this software and associated documentation files (the "Software"), | ||
6 | * to deal in the Software without restriction, including without limitation | ||
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | ||
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 in | ||
12 | * all copies or substantial portions of the Software. | ||
13 | * | ||
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
15 | * 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 OTHER | ||
18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | ||
19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | ||
20 | * DEALINGS IN THE SOFTWARE. | ||
21 | */ | ||
22 | |||
23 | #include <nvgpu/ltc.h> | ||
24 | #include <nvgpu/dma.h> | ||
25 | #include <nvgpu/nvgpu_mem.h> | ||
26 | #include <nvgpu/gk20a.h> | ||
27 | |||
28 | #include "gk20a/gr_gk20a.h" | ||
29 | |||
30 | int nvgpu_ltc_alloc_cbc(struct gk20a *g, size_t compbit_backing_size, | ||
31 | bool vidmem_alloc) | ||
32 | { | ||
33 | struct gr_gk20a *gr = &g->gr; | ||
34 | unsigned long flags = 0; | ||
35 | |||
36 | if (nvgpu_mem_is_valid(&gr->compbit_store.mem)) | ||
37 | return 0; | ||
38 | |||
39 | if (vidmem_alloc) { | ||
40 | /* | ||
41 | * Backing store MUST be physically contiguous and allocated in | ||
42 | * one chunk | ||
43 | * Vidmem allocation API does not support FORCE_CONTIGUOUS like | ||
44 | * flag to allocate contiguous memory | ||
45 | * But this allocation will happen in vidmem bootstrap allocator | ||
46 | * which always allocates contiguous memory | ||
47 | */ | ||
48 | return nvgpu_dma_alloc_vid(g, | ||
49 | compbit_backing_size, | ||
50 | &gr->compbit_store.mem); | ||
51 | } else { | ||
52 | if (!nvgpu_iommuable(g)) | ||
53 | flags = NVGPU_DMA_FORCE_CONTIGUOUS; | ||
54 | |||
55 | return nvgpu_dma_alloc_flags_sys(g, | ||
56 | flags, | ||
57 | compbit_backing_size, | ||
58 | &gr->compbit_store.mem); | ||
59 | } | ||
60 | } | ||