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 void 25 gk104_vmm_lpt_invalid(struct nvkm_vmm *vmm, 26 struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes) 27 { 28 /* VALID_FALSE + PRIV tells the MMU to ignore corresponding SPTEs. */ 29 VMM_FO064(pt, vmm, ptei * 8, BIT_ULL(1) /* PRIV. */, ptes); 30 } 31 32 static const struct nvkm_vmm_desc_func 33 gk104_vmm_lpt = { 34 .invalid = gk104_vmm_lpt_invalid, 35 .unmap = gf100_vmm_pgt_unmap, 36 .mem = gf100_vmm_pgt_mem, 37 }; 38 39 const struct nvkm_vmm_desc 40 gk104_vmm_desc_17_12[] = { 41 { SPT, 15, 8, 0x1000, &gf100_vmm_pgt }, 42 { PGD, 13, 8, 0x1000, &gf100_vmm_pgd }, 43 {} 44 }; 45 46 const struct nvkm_vmm_desc 47 gk104_vmm_desc_17_17[] = { 48 { LPT, 10, 8, 0x1000, &gk104_vmm_lpt }, 49 { PGD, 13, 8, 0x1000, &gf100_vmm_pgd }, 50 {} 51 }; 52 53 const struct nvkm_vmm_desc 54 gk104_vmm_desc_16_12[] = { 55 { SPT, 14, 8, 0x1000, &gf100_vmm_pgt }, 56 { PGD, 14, 8, 0x1000, &gf100_vmm_pgd }, 57 {} 58 }; 59 60 const struct nvkm_vmm_desc 61 gk104_vmm_desc_16_16[] = { 62 { LPT, 10, 8, 0x1000, &gk104_vmm_lpt }, 63 { PGD, 14, 8, 0x1000, &gf100_vmm_pgd }, 64 {} 65 }; 66 67 static const struct nvkm_vmm_func 68 gk104_vmm_17 = { 69 .join = gf100_vmm_join, 70 .part = gf100_vmm_part, 71 .aper = gf100_vmm_aper, 72 .valid = gf100_vmm_valid, 73 .flush = gf100_vmm_flush, 74 .page = { 75 { 17, &gk104_vmm_desc_17_17[0], NVKM_VMM_PAGE_xVxC }, 76 { 12, &gk104_vmm_desc_17_12[0], NVKM_VMM_PAGE_xVHx }, 77 {} 78 } 79 }; 80 81 static const struct nvkm_vmm_func 82 gk104_vmm_16 = { 83 .join = gf100_vmm_join, 84 .part = gf100_vmm_part, 85 .aper = gf100_vmm_aper, 86 .valid = gf100_vmm_valid, 87 .flush = gf100_vmm_flush, 88 .page = { 89 { 16, &gk104_vmm_desc_16_16[0], NVKM_VMM_PAGE_xVxC }, 90 { 12, &gk104_vmm_desc_16_12[0], NVKM_VMM_PAGE_xVHx }, 91 {} 92 } 93 }; 94 95 int 96 gk104_vmm_new(struct nvkm_mmu *mmu, u64 addr, u64 size, void *argv, u32 argc, 97 struct lock_class_key *key, const char *name, 98 struct nvkm_vmm **pvmm) 99 { 100 return gf100_vmm_new_(&gk104_vmm_16, &gk104_vmm_17, mmu, addr, 101 size, argv, argc, key, name, pvmm); 102 } 103