1 /* $NetBSD: nouveau_nvkm_subdev_mmu_tu102.c,v 1.3 2021/12/19 10:51:58 riastradh Exp $ */
2
3 /*
4 * Copyright 2018 Red Hat Inc.
5 * Copyright 2019 NVIDIA Corporation.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
13 *
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
16 *
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
24 */
25 #include <sys/cdefs.h>
26 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvkm_subdev_mmu_tu102.c,v 1.3 2021/12/19 10:51:58 riastradh Exp $");
27
28 #include "mem.h"
29 #include "vmm.h"
30
31 #include <core/option.h>
32
33 #include <nvif/class.h>
34
35 static const u8 *
tu102_mmu_kind(struct nvkm_mmu * mmu,int * count,u8 * invalid)36 tu102_mmu_kind(struct nvkm_mmu *mmu, int *count, u8 *invalid)
37 {
38 static const u8
39 kind[16] = {
40 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00 */
41 0x06, 0x06, 0x02, 0x01, 0x03, 0x04, 0x05, 0x07,
42 };
43 *count = ARRAY_SIZE(kind);
44 *invalid = 0x07;
45 return kind;
46 }
47
48 static const struct nvkm_mmu_func
49 tu102_mmu = {
50 .dma_bits = 47,
51 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
52 .mem = {{ -1, 0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
53 .vmm = {{ -1, 0, NVIF_CLASS_VMM_GP100}, tu102_vmm_new },
54 .kind = tu102_mmu_kind,
55 .kind_sys = true,
56 };
57
58 int
tu102_mmu_new(struct nvkm_device * device,int index,struct nvkm_mmu ** pmmu)59 tu102_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu)
60 {
61 return nvkm_mmu_new_(&tu102_mmu, device, index, pmmu);
62 }
63