19f6219fdSBen Skeggs /* 29f6219fdSBen Skeggs * Copyright 2017 Red Hat Inc. 39f6219fdSBen Skeggs * 49f6219fdSBen Skeggs * Permission is hereby granted, free of charge, to any person obtaining a 59f6219fdSBen Skeggs * copy of this software and associated documentation files (the "Software"), 69f6219fdSBen Skeggs * to deal in the Software without restriction, including without limitation 79f6219fdSBen Skeggs * the rights to use, copy, modify, merge, publish, distribute, sublicense, 89f6219fdSBen Skeggs * and/or sell copies of the Software, and to permit persons to whom the 99f6219fdSBen Skeggs * Software is furnished to do so, subject to the following conditions: 109f6219fdSBen Skeggs * 119f6219fdSBen Skeggs * The above copyright notice and this permission notice shall be included in 129f6219fdSBen Skeggs * all copies or substantial portions of the Software. 139f6219fdSBen Skeggs * 149f6219fdSBen Skeggs * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 159f6219fdSBen Skeggs * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 169f6219fdSBen Skeggs * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 179f6219fdSBen Skeggs * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 189f6219fdSBen Skeggs * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 199f6219fdSBen Skeggs * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 209f6219fdSBen Skeggs * OTHER DEALINGS IN THE SOFTWARE. 219f6219fdSBen Skeggs */ 229f6219fdSBen Skeggs #include "vmm.h" 239f6219fdSBen Skeggs 24fd542a3eSBen Skeggs #include <subdev/fb.h> 25fd542a3eSBen Skeggs #include <subdev/timer.h> 26fd542a3eSBen Skeggs #include <engine/gr.h> 27fd542a3eSBen Skeggs 289f6219fdSBen Skeggs #include <nvif/if500d.h> 299f6219fdSBen Skeggs #include <nvif/unpack.h> 309f6219fdSBen Skeggs 31fd542a3eSBen Skeggs static inline void 32fd542a3eSBen Skeggs nv50_vmm_pgt_pte(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt, 33fd542a3eSBen Skeggs u32 ptei, u32 ptes, struct nvkm_vmm_map *map, u64 addr) 34fd542a3eSBen Skeggs { 352ffa64ebSBen Skeggs u64 next = addr + map->type, data; 36fd542a3eSBen Skeggs u32 pten; 37fd542a3eSBen Skeggs int log2blk; 38fd542a3eSBen Skeggs 39fd542a3eSBen Skeggs map->type += ptes * map->ctag; 40fd542a3eSBen Skeggs 41fd542a3eSBen Skeggs while (ptes) { 42fd542a3eSBen Skeggs for (log2blk = 7; log2blk >= 0; log2blk--) { 43fd542a3eSBen Skeggs pten = 1 << log2blk; 44fd542a3eSBen Skeggs if (ptes >= pten && IS_ALIGNED(ptei, pten)) 45fd542a3eSBen Skeggs break; 46fd542a3eSBen Skeggs } 47fd542a3eSBen Skeggs 48fd542a3eSBen Skeggs data = next | (log2blk << 7); 49fd542a3eSBen Skeggs next += pten * map->next; 50fd542a3eSBen Skeggs ptes -= pten; 51fd542a3eSBen Skeggs 52fd542a3eSBen Skeggs while (pten--) 53fd542a3eSBen Skeggs VMM_WO064(pt, vmm, ptei++ * 8, data); 54fd542a3eSBen Skeggs } 55fd542a3eSBen Skeggs } 56fd542a3eSBen Skeggs 57fd542a3eSBen Skeggs static void 58fd542a3eSBen Skeggs nv50_vmm_pgt_sgl(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt, 59fd542a3eSBen Skeggs u32 ptei, u32 ptes, struct nvkm_vmm_map *map) 60fd542a3eSBen Skeggs { 61fd542a3eSBen Skeggs VMM_MAP_ITER_SGL(vmm, pt, ptei, ptes, map, nv50_vmm_pgt_pte); 62fd542a3eSBen Skeggs } 63fd542a3eSBen Skeggs 64fd542a3eSBen Skeggs static void 65fd542a3eSBen Skeggs nv50_vmm_pgt_dma(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt, 66fd542a3eSBen Skeggs u32 ptei, u32 ptes, struct nvkm_vmm_map *map) 67fd542a3eSBen Skeggs { 68fd542a3eSBen Skeggs if (map->page->shift == PAGE_SHIFT) { 69fd542a3eSBen Skeggs VMM_SPAM(vmm, "DMAA %08x %08x PTE(s)", ptei, ptes); 70fd542a3eSBen Skeggs nvkm_kmap(pt->memory); 71fd542a3eSBen Skeggs while (ptes--) { 722ffa64ebSBen Skeggs const u64 data = *map->dma++ + map->type; 73fd542a3eSBen Skeggs VMM_WO064(pt, vmm, ptei++ * 8, data); 74fd542a3eSBen Skeggs map->type += map->ctag; 75fd542a3eSBen Skeggs } 76fd542a3eSBen Skeggs nvkm_done(pt->memory); 77fd542a3eSBen Skeggs return; 78fd542a3eSBen Skeggs } 79fd542a3eSBen Skeggs 80fd542a3eSBen Skeggs VMM_MAP_ITER_DMA(vmm, pt, ptei, ptes, map, nv50_vmm_pgt_pte); 81fd542a3eSBen Skeggs } 82fd542a3eSBen Skeggs 83fd542a3eSBen Skeggs static void 84fd542a3eSBen Skeggs nv50_vmm_pgt_mem(struct nvkm_vmm *vmm, struct nvkm_mmu_pt *pt, 85fd542a3eSBen Skeggs u32 ptei, u32 ptes, struct nvkm_vmm_map *map) 86fd542a3eSBen Skeggs { 87fd542a3eSBen Skeggs VMM_MAP_ITER_MEM(vmm, pt, ptei, ptes, map, nv50_vmm_pgt_pte); 88fd542a3eSBen Skeggs } 89fd542a3eSBen Skeggs 90fd542a3eSBen Skeggs static void 91fd542a3eSBen Skeggs nv50_vmm_pgt_unmap(struct nvkm_vmm *vmm, 92fd542a3eSBen Skeggs struct nvkm_mmu_pt *pt, u32 ptei, u32 ptes) 93fd542a3eSBen Skeggs { 94fd542a3eSBen Skeggs VMM_FO064(pt, vmm, ptei * 8, 0ULL, ptes); 95fd542a3eSBen Skeggs } 96fd542a3eSBen Skeggs 979f6219fdSBen Skeggs static const struct nvkm_vmm_desc_func 989f6219fdSBen Skeggs nv50_vmm_pgt = { 99fd542a3eSBen Skeggs .unmap = nv50_vmm_pgt_unmap, 100fd542a3eSBen Skeggs .mem = nv50_vmm_pgt_mem, 101fd542a3eSBen Skeggs .dma = nv50_vmm_pgt_dma, 102fd542a3eSBen Skeggs .sgl = nv50_vmm_pgt_sgl, 1039f6219fdSBen Skeggs }; 1049f6219fdSBen Skeggs 105fd542a3eSBen Skeggs static bool 106fd542a3eSBen Skeggs nv50_vmm_pde(struct nvkm_vmm *vmm, struct nvkm_vmm_pt *pgt, u64 *pdata) 107fd542a3eSBen Skeggs { 108fd542a3eSBen Skeggs struct nvkm_mmu_pt *pt; 109fd542a3eSBen Skeggs u64 data = 0xdeadcafe00000000ULL; 110fd542a3eSBen Skeggs if (pgt && (pt = pgt->pt[0])) { 111fd542a3eSBen Skeggs switch (pgt->page) { 112fd542a3eSBen Skeggs case 16: data = 0x00000001; break; 113fd542a3eSBen Skeggs case 12: data = 0x00000003; 114fd542a3eSBen Skeggs switch (nvkm_memory_size(pt->memory)) { 115fd542a3eSBen Skeggs case 0x100000: data |= 0x00000000; break; 116fd542a3eSBen Skeggs case 0x040000: data |= 0x00000020; break; 117fd542a3eSBen Skeggs case 0x020000: data |= 0x00000040; break; 118fd542a3eSBen Skeggs case 0x010000: data |= 0x00000060; break; 119fd542a3eSBen Skeggs default: 120fd542a3eSBen Skeggs WARN_ON(1); 121fd542a3eSBen Skeggs return false; 122fd542a3eSBen Skeggs } 123fd542a3eSBen Skeggs break; 124fd542a3eSBen Skeggs default: 125fd542a3eSBen Skeggs WARN_ON(1); 126fd542a3eSBen Skeggs return false; 127fd542a3eSBen Skeggs } 128fd542a3eSBen Skeggs 129fd542a3eSBen Skeggs switch (nvkm_memory_target(pt->memory)) { 130fd542a3eSBen Skeggs case NVKM_MEM_TARGET_VRAM: data |= 0x00000000; break; 131fd542a3eSBen Skeggs case NVKM_MEM_TARGET_HOST: data |= 0x00000008; break; 132fd542a3eSBen Skeggs case NVKM_MEM_TARGET_NCOH: data |= 0x0000000c; break; 133fd542a3eSBen Skeggs default: 134fd542a3eSBen Skeggs WARN_ON(1); 135fd542a3eSBen Skeggs return false; 136fd542a3eSBen Skeggs } 137fd542a3eSBen Skeggs 138fd542a3eSBen Skeggs data |= pt->addr; 139fd542a3eSBen Skeggs } 140fd542a3eSBen Skeggs *pdata = data; 141fd542a3eSBen Skeggs return true; 142fd542a3eSBen Skeggs } 143fd542a3eSBen Skeggs 144fd542a3eSBen Skeggs static void 145fd542a3eSBen Skeggs nv50_vmm_pgd_pde(struct nvkm_vmm *vmm, struct nvkm_vmm_pt *pgd, u32 pdei) 146fd542a3eSBen Skeggs { 147fd542a3eSBen Skeggs struct nvkm_vmm_join *join; 148fd542a3eSBen Skeggs u32 pdeo = vmm->mmu->func->vmm.pd_offset + (pdei * 8); 149fd542a3eSBen Skeggs u64 data; 150fd542a3eSBen Skeggs 151fd542a3eSBen Skeggs if (!nv50_vmm_pde(vmm, pgd->pde[pdei], &data)) 152fd542a3eSBen Skeggs return; 153fd542a3eSBen Skeggs 154fd542a3eSBen Skeggs list_for_each_entry(join, &vmm->join, head) { 155fd542a3eSBen Skeggs nvkm_kmap(join->inst); 156fd542a3eSBen Skeggs nvkm_wo64(join->inst, pdeo, data); 157fd542a3eSBen Skeggs nvkm_done(join->inst); 158fd542a3eSBen Skeggs } 159fd542a3eSBen Skeggs } 160fd542a3eSBen Skeggs 1619f6219fdSBen Skeggs static const struct nvkm_vmm_desc_func 1629f6219fdSBen Skeggs nv50_vmm_pgd = { 163fd542a3eSBen Skeggs .pde = nv50_vmm_pgd_pde, 1649f6219fdSBen Skeggs }; 1659f6219fdSBen Skeggs 1662ffa64ebSBen Skeggs const struct nvkm_vmm_desc 1679f6219fdSBen Skeggs nv50_vmm_desc_12[] = { 1689f6219fdSBen Skeggs { PGT, 17, 8, 0x1000, &nv50_vmm_pgt }, 1699f6219fdSBen Skeggs { PGD, 11, 0, 0x0000, &nv50_vmm_pgd }, 1709f6219fdSBen Skeggs {} 1719f6219fdSBen Skeggs }; 1729f6219fdSBen Skeggs 1732ffa64ebSBen Skeggs const struct nvkm_vmm_desc 1749f6219fdSBen Skeggs nv50_vmm_desc_16[] = { 1759f6219fdSBen Skeggs { PGT, 13, 8, 0x1000, &nv50_vmm_pgt }, 1769f6219fdSBen Skeggs { PGD, 11, 0, 0x0000, &nv50_vmm_pgd }, 1779f6219fdSBen Skeggs {} 1789f6219fdSBen Skeggs }; 1799f6219fdSBen Skeggs 1802ffa64ebSBen Skeggs void 181fd542a3eSBen Skeggs nv50_vmm_flush(struct nvkm_vmm *vmm, int level) 182fd542a3eSBen Skeggs { 183fd542a3eSBen Skeggs struct nvkm_subdev *subdev = &vmm->mmu->subdev; 184fd542a3eSBen Skeggs struct nvkm_device *device = subdev->device; 185fd542a3eSBen Skeggs int i, id; 186fd542a3eSBen Skeggs 187fd542a3eSBen Skeggs mutex_lock(&subdev->mutex); 188fd542a3eSBen Skeggs for (i = 0; i < NVKM_SUBDEV_NR; i++) { 189fd542a3eSBen Skeggs if (!atomic_read(&vmm->engref[i])) 190fd542a3eSBen Skeggs continue; 191fd542a3eSBen Skeggs 192fd542a3eSBen Skeggs /* unfortunate hw bug workaround... */ 193fd542a3eSBen Skeggs if (i == NVKM_ENGINE_GR && device->gr) { 194fd542a3eSBen Skeggs int ret = nvkm_gr_tlb_flush(device->gr); 195fd542a3eSBen Skeggs if (ret != -ENODEV) 196fd542a3eSBen Skeggs continue; 197fd542a3eSBen Skeggs } 198fd542a3eSBen Skeggs 199fd542a3eSBen Skeggs switch (i) { 200fd542a3eSBen Skeggs case NVKM_ENGINE_GR : id = 0x00; break; 201fd542a3eSBen Skeggs case NVKM_ENGINE_VP : 202fd542a3eSBen Skeggs case NVKM_ENGINE_MSPDEC: id = 0x01; break; 203fd542a3eSBen Skeggs case NVKM_SUBDEV_BAR : id = 0x06; break; 204fd542a3eSBen Skeggs case NVKM_ENGINE_MSPPP : 205fd542a3eSBen Skeggs case NVKM_ENGINE_MPEG : id = 0x08; break; 206fd542a3eSBen Skeggs case NVKM_ENGINE_BSP : 207fd542a3eSBen Skeggs case NVKM_ENGINE_MSVLD : id = 0x09; break; 208fd542a3eSBen Skeggs case NVKM_ENGINE_CIPHER: 209fd542a3eSBen Skeggs case NVKM_ENGINE_SEC : id = 0x0a; break; 210fd542a3eSBen Skeggs case NVKM_ENGINE_CE0 : id = 0x0d; break; 211fd542a3eSBen Skeggs default: 212fd542a3eSBen Skeggs continue; 213fd542a3eSBen Skeggs } 214fd542a3eSBen Skeggs 215fd542a3eSBen Skeggs nvkm_wr32(device, 0x100c80, (id << 16) | 1); 216fd542a3eSBen Skeggs if (nvkm_msec(device, 2000, 217fd542a3eSBen Skeggs if (!(nvkm_rd32(device, 0x100c80) & 0x00000001)) 218fd542a3eSBen Skeggs break; 219fd542a3eSBen Skeggs ) < 0) 220fd542a3eSBen Skeggs nvkm_error(subdev, "%s mmu invalidate timeout\n", 221fd542a3eSBen Skeggs nvkm_subdev_name[i]); 222fd542a3eSBen Skeggs } 223fd542a3eSBen Skeggs mutex_unlock(&subdev->mutex); 224fd542a3eSBen Skeggs } 225fd542a3eSBen Skeggs 2262ffa64ebSBen Skeggs int 227fd542a3eSBen Skeggs nv50_vmm_valid(struct nvkm_vmm *vmm, void *argv, u32 argc, 228fd542a3eSBen Skeggs struct nvkm_vmm_map *map) 229fd542a3eSBen Skeggs { 230fd542a3eSBen Skeggs const struct nvkm_vmm_page *page = map->page; 231fd542a3eSBen Skeggs union { 232fd542a3eSBen Skeggs struct nv50_vmm_map_vn vn; 233fd542a3eSBen Skeggs struct nv50_vmm_map_v0 v0; 234fd542a3eSBen Skeggs } *args = argv; 235fd542a3eSBen Skeggs struct nvkm_device *device = vmm->mmu->subdev.device; 236fd542a3eSBen Skeggs struct nvkm_ram *ram = device->fb->ram; 237fd542a3eSBen Skeggs struct nvkm_memory *memory = map->memory; 238176ada03SJames Jones u8 aper, kind, kind_inv, comp, priv, ro; 239fd542a3eSBen Skeggs int kindn, ret = -ENOSYS; 240fd542a3eSBen Skeggs const u8 *kindm; 241fd542a3eSBen Skeggs 242fd542a3eSBen Skeggs map->type = map->ctag = 0; 243fd542a3eSBen Skeggs map->next = 1 << page->shift; 244fd542a3eSBen Skeggs 245fd542a3eSBen Skeggs if (!(ret = nvif_unpack(ret, &argv, &argc, args->v0, 0, 0, false))) { 246fd542a3eSBen Skeggs ro = !!args->v0.ro; 247fd542a3eSBen Skeggs priv = !!args->v0.priv; 248fd542a3eSBen Skeggs kind = args->v0.kind & 0x7f; 249fd542a3eSBen Skeggs comp = args->v0.comp & 0x03; 250fd542a3eSBen Skeggs } else 251fd542a3eSBen Skeggs if (!(ret = nvif_unvers(ret, &argv, &argc, args->vn))) { 252fd542a3eSBen Skeggs ro = 0; 253fd542a3eSBen Skeggs priv = 0; 254fd542a3eSBen Skeggs kind = 0x00; 255fd542a3eSBen Skeggs comp = 0; 256fd542a3eSBen Skeggs } else { 257fd542a3eSBen Skeggs VMM_DEBUG(vmm, "args"); 258fd542a3eSBen Skeggs return ret; 259fd542a3eSBen Skeggs } 260fd542a3eSBen Skeggs 261fd542a3eSBen Skeggs switch (nvkm_memory_target(memory)) { 262fd542a3eSBen Skeggs case NVKM_MEM_TARGET_VRAM: 263fd542a3eSBen Skeggs if (ram->stolen) { 264fd542a3eSBen Skeggs map->type |= ram->stolen; 265fd542a3eSBen Skeggs aper = 3; 266fd542a3eSBen Skeggs } else { 267fd542a3eSBen Skeggs aper = 0; 268fd542a3eSBen Skeggs } 269fd542a3eSBen Skeggs break; 270fd542a3eSBen Skeggs case NVKM_MEM_TARGET_HOST: 271fd542a3eSBen Skeggs aper = 2; 272fd542a3eSBen Skeggs break; 273fd542a3eSBen Skeggs case NVKM_MEM_TARGET_NCOH: 274fd542a3eSBen Skeggs aper = 3; 275fd542a3eSBen Skeggs break; 276fd542a3eSBen Skeggs default: 277fd542a3eSBen Skeggs WARN_ON(1); 278fd542a3eSBen Skeggs return -EINVAL; 279fd542a3eSBen Skeggs } 280fd542a3eSBen Skeggs 281176ada03SJames Jones kindm = vmm->mmu->func->kind(vmm->mmu, &kindn, &kind_inv); 282176ada03SJames Jones if (kind >= kindn || kindm[kind] == kind_inv) { 283fd542a3eSBen Skeggs VMM_DEBUG(vmm, "kind %02x", kind); 284fd542a3eSBen Skeggs return -EINVAL; 285fd542a3eSBen Skeggs } 286fd542a3eSBen Skeggs 287fd542a3eSBen Skeggs if (map->mem && map->mem->type != kindm[kind]) { 288fd542a3eSBen Skeggs VMM_DEBUG(vmm, "kind %02x bankswz: %d %d", kind, 289fd542a3eSBen Skeggs kindm[kind], map->mem->type); 290fd542a3eSBen Skeggs return -EINVAL; 291fd542a3eSBen Skeggs } 292fd542a3eSBen Skeggs 293fd542a3eSBen Skeggs if (comp) { 294fd542a3eSBen Skeggs u32 tags = (nvkm_memory_size(memory) >> 16) * comp; 295fd542a3eSBen Skeggs if (aper != 0 || !(page->type & NVKM_VMM_PAGE_COMP)) { 296fd542a3eSBen Skeggs VMM_DEBUG(vmm, "comp %d %02x", aper, page->type); 297fd542a3eSBen Skeggs return -EINVAL; 298fd542a3eSBen Skeggs } 299fd542a3eSBen Skeggs 300fd542a3eSBen Skeggs ret = nvkm_memory_tags_get(memory, device, tags, NULL, 301fd542a3eSBen Skeggs &map->tags); 302fd542a3eSBen Skeggs if (ret) { 303fd542a3eSBen Skeggs VMM_DEBUG(vmm, "comp %d", ret); 304fd542a3eSBen Skeggs return ret; 305fd542a3eSBen Skeggs } 306fd542a3eSBen Skeggs 307fd542a3eSBen Skeggs if (map->tags->mn) { 308fd542a3eSBen Skeggs u32 tags = map->tags->mn->offset + (map->offset >> 16); 309fd542a3eSBen Skeggs map->ctag |= (u64)comp << 49; 310fd542a3eSBen Skeggs map->type |= (u64)comp << 47; 311fd542a3eSBen Skeggs map->type |= (u64)tags << 49; 312fd542a3eSBen Skeggs map->next |= map->ctag; 313fd542a3eSBen Skeggs } 314fd542a3eSBen Skeggs } 315fd542a3eSBen Skeggs 316fd542a3eSBen Skeggs map->type |= BIT(0); /* Valid. */ 317fd542a3eSBen Skeggs map->type |= (u64)ro << 3; 318fd542a3eSBen Skeggs map->type |= (u64)aper << 4; 319fd542a3eSBen Skeggs map->type |= (u64)priv << 6; 320fd542a3eSBen Skeggs map->type |= (u64)kind << 40; 321fd542a3eSBen Skeggs return 0; 322fd542a3eSBen Skeggs } 323fd542a3eSBen Skeggs 3242ffa64ebSBen Skeggs void 3259f6219fdSBen Skeggs nv50_vmm_part(struct nvkm_vmm *vmm, struct nvkm_memory *inst) 3269f6219fdSBen Skeggs { 3279f6219fdSBen Skeggs struct nvkm_vmm_join *join; 3289f6219fdSBen Skeggs 3299f6219fdSBen Skeggs list_for_each_entry(join, &vmm->join, head) { 3309f6219fdSBen Skeggs if (join->inst == inst) { 3319f6219fdSBen Skeggs list_del(&join->head); 3329f6219fdSBen Skeggs kfree(join); 3339f6219fdSBen Skeggs break; 3349f6219fdSBen Skeggs } 3359f6219fdSBen Skeggs } 3369f6219fdSBen Skeggs } 3379f6219fdSBen Skeggs 3382ffa64ebSBen Skeggs int 3399f6219fdSBen Skeggs nv50_vmm_join(struct nvkm_vmm *vmm, struct nvkm_memory *inst) 3409f6219fdSBen Skeggs { 341fd542a3eSBen Skeggs const u32 pd_offset = vmm->mmu->func->vmm.pd_offset; 3429f6219fdSBen Skeggs struct nvkm_vmm_join *join; 343fd542a3eSBen Skeggs int ret = 0; 344fd542a3eSBen Skeggs u64 data; 345fd542a3eSBen Skeggs u32 pdei; 3469f6219fdSBen Skeggs 3479f6219fdSBen Skeggs if (!(join = kmalloc(sizeof(*join), GFP_KERNEL))) 3489f6219fdSBen Skeggs return -ENOMEM; 3499f6219fdSBen Skeggs join->inst = inst; 3509f6219fdSBen Skeggs list_add_tail(&join->head, &vmm->join); 351fd542a3eSBen Skeggs 352fd542a3eSBen Skeggs nvkm_kmap(join->inst); 353fd542a3eSBen Skeggs for (pdei = vmm->start >> 29; pdei <= (vmm->limit - 1) >> 29; pdei++) { 354fd542a3eSBen Skeggs if (!nv50_vmm_pde(vmm, vmm->pd->pde[pdei], &data)) { 355fd542a3eSBen Skeggs ret = -EINVAL; 356fd542a3eSBen Skeggs break; 357fd542a3eSBen Skeggs } 358fd542a3eSBen Skeggs nvkm_wo64(join->inst, pd_offset + (pdei * 8), data); 359fd542a3eSBen Skeggs } 360fd542a3eSBen Skeggs nvkm_done(join->inst); 361fd542a3eSBen Skeggs return ret; 3629f6219fdSBen Skeggs } 3639f6219fdSBen Skeggs 3649f6219fdSBen Skeggs static const struct nvkm_vmm_func 3659f6219fdSBen Skeggs nv50_vmm = { 3669f6219fdSBen Skeggs .join = nv50_vmm_join, 3679f6219fdSBen Skeggs .part = nv50_vmm_part, 368fd542a3eSBen Skeggs .valid = nv50_vmm_valid, 369fd542a3eSBen Skeggs .flush = nv50_vmm_flush, 3709f6219fdSBen Skeggs .page_block = 1 << 29, 3719f6219fdSBen Skeggs .page = { 3729f6219fdSBen Skeggs { 16, &nv50_vmm_desc_16[0], NVKM_VMM_PAGE_xVxC }, 3739f6219fdSBen Skeggs { 12, &nv50_vmm_desc_12[0], NVKM_VMM_PAGE_xVHx }, 3749f6219fdSBen Skeggs {} 3759f6219fdSBen Skeggs } 3769f6219fdSBen Skeggs }; 3779f6219fdSBen Skeggs 3789f6219fdSBen Skeggs int 3792606f291SBen Skeggs nv50_vmm_new(struct nvkm_mmu *mmu, bool managed, u64 addr, u64 size, 3802606f291SBen Skeggs void *argv, u32 argc, struct lock_class_key *key, const char *name, 3819f6219fdSBen Skeggs struct nvkm_vmm **pvmm) 3829f6219fdSBen Skeggs { 3832606f291SBen Skeggs return nv04_vmm_new_(&nv50_vmm, mmu, 0, managed, addr, size, 3849f6219fdSBen Skeggs argv, argc, key, name, pvmm); 3859f6219fdSBen Skeggs } 386