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 "vmm.h" 23 24 #include <core/memory.h> 25 26 int 27 gk20a_vmm_aper(enum nvkm_memory_target target) 28 { 29 switch (target) { 30 case NVKM_MEM_TARGET_NCOH: return 0; 31 default: 32 return -EINVAL; 33 } 34 } 35 36 static const struct nvkm_vmm_func 37 gk20a_vmm_17 = { 38 .join = gf100_vmm_join, 39 .part = gf100_vmm_part, 40 .aper = gf100_vmm_aper, 41 .valid = gf100_vmm_valid, 42 .flush = gf100_vmm_flush, 43 .invalidate_pdb = gf100_vmm_invalidate_pdb, 44 .page = { 45 { 17, &gk104_vmm_desc_17_17[0], NVKM_VMM_PAGE_xxHC }, 46 { 12, &gk104_vmm_desc_17_12[0], NVKM_VMM_PAGE_xxHx }, 47 {} 48 } 49 }; 50 51 static const struct nvkm_vmm_func 52 gk20a_vmm_16 = { 53 .join = gf100_vmm_join, 54 .part = gf100_vmm_part, 55 .aper = gf100_vmm_aper, 56 .valid = gf100_vmm_valid, 57 .flush = gf100_vmm_flush, 58 .invalidate_pdb = gf100_vmm_invalidate_pdb, 59 .page = { 60 { 16, &gk104_vmm_desc_16_16[0], NVKM_VMM_PAGE_xxHC }, 61 { 12, &gk104_vmm_desc_16_12[0], NVKM_VMM_PAGE_xxHx }, 62 {} 63 } 64 }; 65 66 int 67 gk20a_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size, 68 void *argv, u32 argc, struct lock_class_key *key, 69 const char *name, struct nvkm_vmm **pvmm) 70 { 71 return gf100_vmm_new_(&gk20a_vmm_16, &gk20a_vmm_17, mmu, managed, addr, 72 size, argv, argc, key, name, pvmm); 73 } 74