tu102.c

 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#include <subdev/gsp.h>
28
29#include <nvif/class.h>
30
31const u8 *
32tu102_mmu_kind(struct nvkm_mmu *mmu, int *count, u8 *invalid)
33{
34	static const u8
35	kind[16] = {
36		0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* 0x00 */
37		0x06, 0x06, 0x02, 0x01, 0x03, 0x04, 0x05, 0x07,
38	};
39	*count = ARRAY_SIZE(kind);
40	*invalid = 0x07;
41	return kind;
42}
43
44static const struct nvkm_mmu_func
45tu102_mmu = {
46	.dma_bits = 47,
47	.mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}},
48	.mem = {{ -1,  0, NVIF_CLASS_MEM_GF100}, gf100_mem_new, gf100_mem_map },
49	.vmm = {{ -1,  0, NVIF_CLASS_VMM_GP100}, tu102_vmm_new },
50	.kind = tu102_mmu_kind,
51	.kind_sys = true,
52};
53
54int
55tu102_mmu_new(struct nvkm_device *device, enum nvkm_subdev_type type, int inst,
56	      struct nvkm_mmu **pmmu)
57{
58	if (nvkm_gsp_rm(device->gsp))
59		return r535_mmu_new(&tu102_mmu, device, type, inst, pmmu);
60
61	return nvkm_mmu_new_(&tu102_mmu, device, type, inst, pmmu);
62}