1 /*
2 * Copyright 2017 Red Hat Inc.
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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 #include "vmm.h"
23
24 #include <core/memory.h>
25
26 int
27 gk20a_vmm_aper(enum nvkm_memory_target target)
28 {
29 switch (target) {
30 case NVKM_MEM_TARGET_NCOH: return 0;
31 default:
32 return -EINVAL;
33 }
34 }
35
36 static const struct nvkm_vmm_func
37 gk20a_vmm_17 = {
38 .join = gf100_vmm_join,
39 .part = gf100_vmm_part,
40 .aper = gf100_vmm_aper,
41 .valid = gf100_vmm_valid,
42 .flush = gf100_vmm_flush,
43 .invalidate_pdb = gf100_vmm_invalidate_pdb,
44 .page = {
45 { 17, &gk104_vmm_desc_17_17[0], NVKM_VMM_PAGE_xxHC },
46 { 12, &gk104_vmm_desc_17_12[0], NVKM_VMM_PAGE_xxHx },
47 {}
48 }
49 };
50
51 static const struct nvkm_vmm_func
52 gk20a_vmm_16 = {
53 .join = gf100_vmm_join,
54 .part = gf100_vmm_part,
55 .aper = gf100_vmm_aper,
56 .valid = gf100_vmm_valid,
57 .flush = gf100_vmm_flush,
58 .invalidate_pdb = gf100_vmm_invalidate_pdb,
59 .page = {
60 { 16, &gk104_vmm_desc_16_16[0], NVKM_VMM_PAGE_xxHC },
61 { 12, &gk104_vmm_desc_16_12[0], NVKM_VMM_PAGE_xxHx },
62 {}
63 }
64 };
65
66 int
67 gk20a_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
68 void *argv, u32 argc, struct lock_class_key *key,
69 const char *name, struct nvkm_vmm **pvmm)
70 {
71 return gf100_vmm_new_(&gk20a_vmm_16, &gk20a_vmm_17, mmu, managed, addr,
72 size, argv, argc, key, name, pvmm);
73 }