1 /*
2 * Copyright 2018 Red Hat Inc.
3 * Copyright 2019 NVIDIA Corporation.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 */
23 #include "mem.h"
24 #include "vmm.h"
25
26 #include <core/option.h>
27
28 #include <nvif/class.h>
29
30 static const u8 *
tu102_mmu_kind(struct nvkm_mmu * mmu,int * count,u8 * invalid)31 tu102_mmu_kind(struct nvkm_mmu *mmu, int *count, u8 *invalid)
32 {
33 static const u8
34 kind[16] = {
35 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00 */
36 0x06, 0x06, 0x02, 0x01, 0x03, 0x04, 0x05, 0x07,
37 };
38 *count = ARRAY_SIZE(kind);
39 *invalid = 0x07;
40 return kind;
41 }
42
43 static const struct nvkm_mmu_func
44 tu102_mmu = {
45 .dma_bits = 47,
46 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
47 .mem = {{ -1, 0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
48 .vmm = {{ -1, 0, NVIF_CLASS_VMM_GP100}, tu102_vmm_new },
49 .kind = tu102_mmu_kind,
50 .kind_sys = true,
51 };
52
53 int
tu102_mmu_new(struct nvkm_device * device,enum nvkm_subdev_type type,int inst,struct nvkm_mmu ** pmmu)54 tu102_mmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
55 struct nvkm_mmu **pmmu)
56 {
57 return nvkm_mmu_new_(&tu102_mmu, device, type, inst, pmmu);
58 }
59