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 31 static const u8 * 32 tu102_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 44 static const struct nvkm_mmu_func 45 tu102_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 54 int 55 tu102_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 } 63