aboutsummaryrefslogtreecommitdiffstats
path: root/include/nvgpu/vm_area.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/nvgpu/vm_area.h')
-rw-r--r--include/nvgpu/vm_area.h75
1 files changed, 0 insertions, 75 deletions
diff --git a/include/nvgpu/vm_area.h b/include/nvgpu/vm_area.h
deleted file mode 100644
index 8778e42..0000000
--- a/include/nvgpu/vm_area.h
+++ /dev/null
@@ -1,75 +0,0 @@
1/*
2 * Copyright (c) 2017-2018, 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#ifndef NVGPU_VM_AREA_H
24#define NVGPU_VM_AREA_H
25
26#include <nvgpu/list.h>
27#include <nvgpu/types.h>
28
29struct vm_gk20a;
30struct gk20a_as_share;
31struct nvgpu_as_alloc_space_args;
32struct nvgpu_as_free_space_args;
33
34struct nvgpu_vm_area {
35 /*
36 * Entry into the list of VM areas owned by a VM.
37 */
38 struct nvgpu_list_node vm_area_list;
39
40 /*
41 * List of buffers mapped into this vm_area.
42 */
43 struct nvgpu_list_node buffer_list_head;
44
45 u32 flags;
46 u32 pgsz_idx;
47 u64 addr;
48 u64 size;
49 bool sparse;
50};
51
52static inline struct nvgpu_vm_area *
53nvgpu_vm_area_from_vm_area_list(struct nvgpu_list_node *node)
54{
55 return (struct nvgpu_vm_area *)
56 ((uintptr_t)node - offsetof(struct nvgpu_vm_area,
57 vm_area_list));
58};
59
60/*
61 * Alloc space flags.
62 */
63#define NVGPU_VM_AREA_ALLOC_FIXED_OFFSET BIT(0)
64#define NVGPU_VM_AREA_ALLOC_SPARSE BIT(1)
65
66int nvgpu_vm_area_alloc(struct vm_gk20a *vm, u32 pages, u32 page_size,
67 u64 *addr, u32 flags);
68int nvgpu_vm_area_free(struct vm_gk20a *vm, u64 addr);
69
70struct nvgpu_vm_area *nvgpu_vm_area_find(struct vm_gk20a *vm, u64 addr);
71int nvgpu_vm_area_validate_buffer(struct vm_gk20a *vm,
72 u64 map_offset, u64 map_size, u32 pgsz_idx,
73 struct nvgpu_vm_area **pvm_area);
74
75#endif /* NVGPU_VM_AREA_H */