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1 | /* |
2 | * Copyright 2017 Red Hat Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | */ | |
68af607d | 22 | #include "mem.h" |
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23 | #include "vmm.h" |
24 | ||
25 | #include <subdev/fb.h> | |
26 | ||
27 | #include <nvif/class.h> | |
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28 | |
29 | static const struct nvkm_mmu_func | |
30 | gm20b_mmu = { | |
31 | .limit = (1ULL << 40), | |
32 | .dma_bits = 40, | |
cedc4d57 | 33 | .lpg_shift = 17, |
68af607d | 34 | .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map }, |
5f300fed | 35 | .vmm = {{ -1, 0, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new }, |
e12cf6ad | 36 | .kind = gm200_mmu_kind, |
51645eb7 | 37 | .kind_sys = true, |
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38 | }; |
39 | ||
40 | static const struct nvkm_mmu_func | |
41 | gm20b_mmu_fixed = { | |
42 | .limit = (1ULL << 40), | |
43 | .dma_bits = 40, | |
5f300fed | 44 | .lpg_shift = 17, |
68af607d | 45 | .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map }, |
5f300fed | 46 | .vmm = {{ -1, -1, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new_fixed }, |
e12cf6ad | 47 | .kind = gm200_mmu_kind, |
51645eb7 | 48 | .kind_sys = true, |
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49 | }; |
50 | ||
51 | int | |
52 | gm20b_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) | |
53 | { | |
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54 | if (device->fb->page) |
55 | return nvkm_mmu_new_(&gm20b_mmu_fixed, device, index, pmmu); | |
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56 | return nvkm_mmu_new_(&gm20b_mmu, device, index, pmmu); |
57 | } |