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1/*2 * Copyright 2018 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 24#include <subdev/fb.h>25#include <subdev/ltc.h>26 27#include <nvif/ifc00d.h>28#include <nvif/unpack.h>29 30int31gv100_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst)32{33 u64 data[2], mask;34 int ret = gp100_vmm_join(vmm, inst), i;35 if (ret)36 return ret;37 38 nvkm_kmap(inst);39 data[0] = nvkm_ro32(inst, 0x200);40 data[1] = nvkm_ro32(inst, 0x204);41 mask = BIT_ULL(0);42 43 nvkm_wo32(inst, 0x21c, 0x00000000);44 45 for (i = 0; i < 64; i++) {46 if (mask & BIT_ULL(i)) {47 nvkm_wo32(inst, 0x2a4 + (i * 0x10), data[1]);48 nvkm_wo32(inst, 0x2a0 + (i * 0x10), data[0]);49 } else {50 nvkm_wo32(inst, 0x2a4 + (i * 0x10), 0x00000001);51 nvkm_wo32(inst, 0x2a0 + (i * 0x10), 0x00000001);52 }53 nvkm_wo32(inst, 0x2a8 + (i * 0x10), 0x00000000);54 }55 56 nvkm_wo32(inst, 0x298, lower_32_bits(mask));57 nvkm_wo32(inst, 0x29c, upper_32_bits(mask));58 nvkm_done(inst);59 return 0;60}61 62static const struct nvkm_vmm_func63gv100_vmm = {64 .join = gv100_vmm_join,65 .part = gf100_vmm_part,66 .aper = gf100_vmm_aper,67 .valid = gp100_vmm_valid,68 .flush = gp100_vmm_flush,69 .mthd = gp100_vmm_mthd,70 .invalidate_pdb = gp100_vmm_invalidate_pdb,71 .page = {72 { 47, &gp100_vmm_desc_16[4], NVKM_VMM_PAGE_Sxxx },73 { 38, &gp100_vmm_desc_16[3], NVKM_VMM_PAGE_Sxxx },74 { 29, &gp100_vmm_desc_16[2], NVKM_VMM_PAGE_Sxxx },75 { 21, &gp100_vmm_desc_16[1], NVKM_VMM_PAGE_SVxC },76 { 16, &gp100_vmm_desc_16[0], NVKM_VMM_PAGE_SVxC },77 { 12, &gp100_vmm_desc_12[0], NVKM_VMM_PAGE_SVHx },78 {}79 }80};81 82int83gv100_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size,84 void *argv, u32 argc, struct lock_class_key *key,85 const char *name, struct nvkm_vmm **pvmm)86{87 return gp100_vmm_new_(&gv100_vmm, mmu, managed, addr, size,88 argv, argc, key, name, pvmm);89}90