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 */ 22 #include "mem.h" 23 #include "vmm.h" 24 25 #include <subdev/fb.h> 26 27 #include <nvif/class.h> 28 29 static const struct nvkm_mmu_func 30 gm20b_mmu = { 31 .dma_bits = 40, 32 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}}, 33 .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map }, 34 .vmm = {{ -1, 0, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new }, 35 .kind = gm200_mmu_kind, 36 .kind_sys = true, 37 }; 38 39 static const struct nvkm_mmu_func 40 gm20b_mmu_fixed = { 41 .dma_bits = 40, 42 .mmu = {{ -1, -1, NVIF_CLASS_MMU_GF100}}, 43 .mem = {{ -1, -1, NVIF_CLASS_MEM_GF100}, .umap = gf100_mem_map }, 44 .vmm = {{ -1, -1, NVIF_CLASS_VMM_GM200}, gm20b_vmm_new_fixed }, 45 .kind = gm200_mmu_kind, 46 .kind_sys = true, 47 }; 48 49 int 50 gm20b_mmu_new(struct nvkm_device *device, int index, struct nvkm_mmu **pmmu) 51 { 52 if (device->fb->page) 53 return nvkm_mmu_new_(&gm20b_mmu_fixed, device, index, pmmu); 54 return nvkm_mmu_new_(&gm20b_mmu, device, index, pmmu); 55 } 56