1 /* $NetBSD: nouveau_nvkm_subdev_mmu_vmmgk20a.c,v 1.2 2021/12/18 23:45:41 riastradh Exp $ */
2
3 /*
4 * Copyright 2017 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 */
24 #include <sys/cdefs.h>
25 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_mmu_vmmgk20a.c,v 1.2 2021/12/18 23:45:41 riastradh Exp $");
26
27 #include "vmm.h"
28
29 #include <core/memory.h>
30
31 int
gk20a_vmm_aper(enum nvkm_memory_target target)32 gk20a_vmm_aper(enum nvkm_memory_target target)
33 {
34 switch (target) {
35 case NVKM_MEM_TARGET_NCOH: return 0;
36 default:
37 return -EINVAL;
38 }
39 }
40
41 static const struct nvkm_vmm_func
42 gk20a_vmm_17 = {
43 .join = gf100_vmm_join,
44 .part = gf100_vmm_part,
45 .aper = gf100_vmm_aper,
46 .valid = gf100_vmm_valid,
47 .flush = gf100_vmm_flush,
48 .invalidate_pdb = gf100_vmm_invalidate_pdb,
49 .page = {
50 { 17, &gk104_vmm_desc_17_17[0], NVKM_VMM_PAGE_xxHC },
51 { 12, &gk104_vmm_desc_17_12[0], NVKM_VMM_PAGE_xxHx },
52 {}
53 }
54 };
55
56 static const struct nvkm_vmm_func
57 gk20a_vmm_16 = {
58 .join = gf100_vmm_join,
59 .part = gf100_vmm_part,
60 .aper = gf100_vmm_aper,
61 .valid = gf100_vmm_valid,
62 .flush = gf100_vmm_flush,
63 .invalidate_pdb = gf100_vmm_invalidate_pdb,
64 .page = {
65 { 16, &gk104_vmm_desc_16_16[0], NVKM_VMM_PAGE_xxHC },
66 { 12, &gk104_vmm_desc_16_12[0], NVKM_VMM_PAGE_xxHx },
67 {}
68 }
69 };
70
71 int
gk20a_vmm_new(struct nvkm_mmu * mmu,bool managed,u64 addr,u64 size,void * argv,u32 argc,struct lock_class_key * key,const char * name,struct nvkm_vmm ** pvmm)72 gk20a_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,
73 void *argv, u32 argc, struct lock_class_key *key,
74 const char *name, struct nvkm_vmm **pvmm)
75 {
76 return gf100_vmm_new_(&gk20a_vmm_16, &gk20a_vmm_17, mmu, managed, addr,
77 size, argv, argc, key, name, pvmm);
78 }
79