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 *
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
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