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authorJoshua Bakita <bakitajoshua@gmail.com>2024-09-25 16:09:09 -0400
committerJoshua Bakita <bakitajoshua@gmail.com>2024-09-25 16:09:09 -0400
commitf347fde22f1297e4f022600d201780d5ead78114 (patch)
tree76be305d6187003a1e0486ff6e91efb1062ae118 /include/os/posix/posix-dma.c
parent8340d234d78a7d0f46c11a584de538148b78b7cb (diff)
Delete no-longer-needed nvgpu headersHEADmasterjbakita-wip
The dependency on these was removed in commit 8340d234.
Diffstat (limited to 'include/os/posix/posix-dma.c')
-rw-r--r--include/os/posix/posix-dma.c88
1 files changed, 0 insertions, 88 deletions
diff --git a/include/os/posix/posix-dma.c b/include/os/posix/posix-dma.c
deleted file mode 100644
index e8c5c9d..0000000
--- a/include/os/posix/posix-dma.c
+++ /dev/null
@@ -1,88 +0,0 @@
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 <stdlib.h>
24
25#include <nvgpu/mm.h>
26#include <nvgpu/vm.h>
27#include <nvgpu/bug.h>
28#include <nvgpu/dma.h>
29#include <nvgpu/gmmu.h>
30#include <nvgpu/nvgpu_mem.h>
31#include <nvgpu/enabled.h>
32
33/*
34 * In userspace vidmem vs sysmem is just a difference in what is placed in the
35 * aperture field.
36 */
37static int __nvgpu_do_dma_alloc(struct gk20a *g, unsigned long flags,
38 size_t size, struct nvgpu_mem *mem,
39 enum nvgpu_aperture ap)
40{
41 void *memory = malloc(mem->aligned_size);
42
43 if (memory == NULL)
44 return -ENOMEM;
45
46 mem->cpu_va = memory;
47 mem->aperture = ap;
48 mem->size = size;
49 mem->aligned_size = PAGE_ALIGN(size);
50 mem->gpu_va = 0ULL;
51 mem->skip_wmb = true;
52 mem->vidmem_alloc = NULL;
53 mem->allocator = NULL;
54
55 return 0;
56}
57
58bool nvgpu_iommuable(struct gk20a *g)
59{
60 return false;
61}
62
63int nvgpu_dma_alloc_flags_sys(struct gk20a *g, unsigned long flags,
64 size_t size, struct nvgpu_mem *mem)
65{
66 return __nvgpu_do_dma_alloc(g, flags, size, mem, APERTURE_SYSMEM);
67}
68
69int nvgpu_dma_alloc_flags_vid_at(struct gk20a *g, unsigned long flags,
70 size_t size, struct nvgpu_mem *mem, u64 at)
71{
72 BUG();
73
74 return 0;
75}
76
77void nvgpu_dma_free_sys(struct gk20a *g, struct nvgpu_mem *mem)
78{
79 if (!(mem->mem_flags & NVGPU_MEM_FLAG_SHADOW_COPY))
80 free(mem->cpu_va);
81
82 memset(mem, 0, sizeof(*mem));
83}
84
85void nvgpu_dma_free_vid(struct gk20a *g, struct nvgpu_mem *mem)
86{
87 BUG();
88}