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1/*2 * Copyright 2017 Red Hat Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 */22#include "vmm.h"23 24void25gk104_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 32static const struct nvkm_vmm_desc_func33gk104_vmm_lpt = {34 .invalid = gk104_vmm_lpt_invalid,35 .unmap = gf100_vmm_pgt_unmap,36 .mem = gf100_vmm_pgt_mem,37};38 39const struct nvkm_vmm_desc40gk104_vmm_desc_17_12[] = {41 { SPT, 15, 8, 0x1000, &gf100_vmm_pgt },42 { PGD, 13, 8, 0x1000, &gf100_vmm_pgd },43 {}44};45 46const struct nvkm_vmm_desc47gk104_vmm_desc_17_17[] = {48 { LPT, 10, 8, 0x1000, &gk104_vmm_lpt },49 { PGD, 13, 8, 0x1000, &gf100_vmm_pgd },50 {}51};52 53const struct nvkm_vmm_desc54gk104_vmm_desc_16_12[] = {55 { SPT, 14, 8, 0x1000, &gf100_vmm_pgt },56 { PGD, 14, 8, 0x1000, &gf100_vmm_pgd },57 {}58};59 60const struct nvkm_vmm_desc61gk104_vmm_desc_16_16[] = {62 { LPT, 10, 8, 0x1000, &gk104_vmm_lpt },63 { PGD, 14, 8, 0x1000, &gf100_vmm_pgd },64 {}65};66 67static const struct nvkm_vmm_func68gk104_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 .invalidate_pdb = gf100_vmm_invalidate_pdb,75 .page = {76 { 17, &gk104_vmm_desc_17_17[0], NVKM_VMM_PAGE_xVxC },77 { 12, &gk104_vmm_desc_17_12[0], NVKM_VMM_PAGE_xVHx },78 {}79 }80};81 82static const struct nvkm_vmm_func83gk104_vmm_16 = {84 .join = gf100_vmm_join,85 .part = gf100_vmm_part,86 .aper = gf100_vmm_aper,87 .valid = gf100_vmm_valid,88 .flush = gf100_vmm_flush,89 .invalidate_pdb = gf100_vmm_invalidate_pdb,90 .page = {91 { 16, &gk104_vmm_desc_16_16[0], NVKM_VMM_PAGE_xVxC },92 { 12, &gk104_vmm_desc_16_12[0], NVKM_VMM_PAGE_xVHx },93 {}94 }95};96 97int98gk104_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,99 void *argv, u32 argc, struct lock_class_key *key,100 const char *name, struct nvkm_vmm **pvmm)101{102 return gf100_vmm_new_(&gk104_vmm_16, &gk104_vmm_17, mmu, managed, addr,103 size, argv, argc, key, name, pvmm);104}105