1 /* 2 * Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA, 3 * All Rights Reserved. 4 * Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA, 5 * All Rights Reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sub license, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the 15 * next paragraph) shall be included in all copies or substantial portions 16 * of the Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL 21 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE 24 * USE OR OTHER DEALINGS IN THE SOFTWARE. 25 */ 26 27 #include "nouveau_drm.h" 28 #include "nouveau_ttm.h" 29 #include "nouveau_gem.h" 30 31 static int 32 nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 33 { 34 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 35 struct nouveau_fb *pfb = nvkm_fb(&drm->device); 36 man->priv = pfb; 37 return 0; 38 } 39 40 static int 41 nouveau_vram_manager_fini(struct ttm_mem_type_manager *man) 42 { 43 man->priv = NULL; 44 return 0; 45 } 46 47 static inline void 48 nouveau_mem_node_cleanup(struct nouveau_mem *node) 49 { 50 if (node->vma[0].node) { 51 nouveau_vm_unmap(&node->vma[0]); 52 nouveau_vm_put(&node->vma[0]); 53 } 54 55 if (node->vma[1].node) { 56 nouveau_vm_unmap(&node->vma[1]); 57 nouveau_vm_put(&node->vma[1]); 58 } 59 } 60 61 static void 62 nouveau_vram_manager_del(struct ttm_mem_type_manager *man, 63 struct ttm_mem_reg *mem) 64 { 65 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 66 struct nouveau_fb *pfb = nvkm_fb(&drm->device); 67 nouveau_mem_node_cleanup(mem->mm_node); 68 pfb->ram->put(pfb, (struct nouveau_mem **)&mem->mm_node); 69 } 70 71 static int 72 nouveau_vram_manager_new(struct ttm_mem_type_manager *man, 73 struct ttm_buffer_object *bo, 74 struct ttm_placement *placement, 75 uint32_t flags, 76 struct ttm_mem_reg *mem) 77 { 78 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 79 struct nouveau_fb *pfb = nvkm_fb(&drm->device); 80 struct nouveau_bo *nvbo = nouveau_bo(bo); 81 struct nouveau_mem *node; 82 u32 size_nc = 0; 83 int ret; 84 85 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) 86 size_nc = 1 << nvbo->page_shift; 87 88 ret = pfb->ram->get(pfb, mem->num_pages << PAGE_SHIFT, 89 mem->page_alignment << PAGE_SHIFT, size_nc, 90 (nvbo->tile_flags >> 8) & 0x3ff, &node); 91 if (ret) { 92 mem->mm_node = NULL; 93 return (ret == -ENOSPC) ? 0 : ret; 94 } 95 96 node->page_shift = nvbo->page_shift; 97 98 mem->mm_node = node; 99 mem->start = node->offset >> PAGE_SHIFT; 100 return 0; 101 } 102 103 static void 104 nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 105 { 106 struct nouveau_fb *pfb = man->priv; 107 struct nouveau_mm *mm = &pfb->vram; 108 struct nouveau_mm_node *r; 109 u32 total = 0, free = 0; 110 111 mutex_lock(&nv_subdev(pfb)->mutex); 112 list_for_each_entry(r, &mm->nodes, nl_entry) { 113 printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n", 114 prefix, r->type, ((u64)r->offset << 12), 115 (((u64)r->offset + r->length) << 12)); 116 117 total += r->length; 118 if (!r->type) 119 free += r->length; 120 } 121 mutex_unlock(&nv_subdev(pfb)->mutex); 122 123 printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n", 124 prefix, (u64)total << 12, (u64)free << 12); 125 printk(KERN_DEBUG "%s block: 0x%08x\n", 126 prefix, mm->block_size << 12); 127 } 128 129 const struct ttm_mem_type_manager_func nouveau_vram_manager = { 130 nouveau_vram_manager_init, 131 nouveau_vram_manager_fini, 132 nouveau_vram_manager_new, 133 nouveau_vram_manager_del, 134 nouveau_vram_manager_debug 135 }; 136 137 static int 138 nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 139 { 140 return 0; 141 } 142 143 static int 144 nouveau_gart_manager_fini(struct ttm_mem_type_manager *man) 145 { 146 return 0; 147 } 148 149 static void 150 nouveau_gart_manager_del(struct ttm_mem_type_manager *man, 151 struct ttm_mem_reg *mem) 152 { 153 nouveau_mem_node_cleanup(mem->mm_node); 154 kfree(mem->mm_node); 155 mem->mm_node = NULL; 156 } 157 158 static int 159 nouveau_gart_manager_new(struct ttm_mem_type_manager *man, 160 struct ttm_buffer_object *bo, 161 struct ttm_placement *placement, 162 uint32_t flags, 163 struct ttm_mem_reg *mem) 164 { 165 struct nouveau_drm *drm = nouveau_bdev(bo->bdev); 166 struct nouveau_bo *nvbo = nouveau_bo(bo); 167 struct nouveau_mem *node; 168 169 node = kzalloc(sizeof(*node), GFP_KERNEL); 170 if (!node) 171 return -ENOMEM; 172 173 node->page_shift = 12; 174 175 switch (drm->device.info.family) { 176 case NV_DEVICE_INFO_V0_TESLA: 177 if (drm->device.info.chipset != 0x50) 178 node->memtype = (nvbo->tile_flags & 0x7f00) >> 8; 179 break; 180 case NV_DEVICE_INFO_V0_FERMI: 181 case NV_DEVICE_INFO_V0_KEPLER: 182 node->memtype = (nvbo->tile_flags & 0xff00) >> 8; 183 break; 184 default: 185 break; 186 } 187 188 mem->mm_node = node; 189 mem->start = 0; 190 return 0; 191 } 192 193 static void 194 nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 195 { 196 } 197 198 const struct ttm_mem_type_manager_func nouveau_gart_manager = { 199 nouveau_gart_manager_init, 200 nouveau_gart_manager_fini, 201 nouveau_gart_manager_new, 202 nouveau_gart_manager_del, 203 nouveau_gart_manager_debug 204 }; 205 206 /*XXX*/ 207 #include <core/subdev/vm/nv04.h> 208 static int 209 nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 210 { 211 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 212 struct nouveau_vmmgr *vmm = nvkm_vmmgr(&drm->device); 213 struct nv04_vmmgr_priv *priv = (void *)vmm; 214 struct nouveau_vm *vm = NULL; 215 nouveau_vm_ref(priv->vm, &vm, NULL); 216 man->priv = vm; 217 return 0; 218 } 219 220 static int 221 nv04_gart_manager_fini(struct ttm_mem_type_manager *man) 222 { 223 struct nouveau_vm *vm = man->priv; 224 nouveau_vm_ref(NULL, &vm, NULL); 225 man->priv = NULL; 226 return 0; 227 } 228 229 static void 230 nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) 231 { 232 struct nouveau_mem *node = mem->mm_node; 233 if (node->vma[0].node) 234 nouveau_vm_put(&node->vma[0]); 235 kfree(mem->mm_node); 236 mem->mm_node = NULL; 237 } 238 239 static int 240 nv04_gart_manager_new(struct ttm_mem_type_manager *man, 241 struct ttm_buffer_object *bo, 242 struct ttm_placement *placement, 243 uint32_t flags, 244 struct ttm_mem_reg *mem) 245 { 246 struct nouveau_mem *node; 247 int ret; 248 249 node = kzalloc(sizeof(*node), GFP_KERNEL); 250 if (!node) 251 return -ENOMEM; 252 253 node->page_shift = 12; 254 255 ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift, 256 NV_MEM_ACCESS_RW, &node->vma[0]); 257 if (ret) { 258 kfree(node); 259 return ret; 260 } 261 262 mem->mm_node = node; 263 mem->start = node->vma[0].offset >> PAGE_SHIFT; 264 return 0; 265 } 266 267 static void 268 nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 269 { 270 } 271 272 const struct ttm_mem_type_manager_func nv04_gart_manager = { 273 nv04_gart_manager_init, 274 nv04_gart_manager_fini, 275 nv04_gart_manager_new, 276 nv04_gart_manager_del, 277 nv04_gart_manager_debug 278 }; 279 280 int 281 nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma) 282 { 283 struct drm_file *file_priv = filp->private_data; 284 struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev); 285 286 if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) 287 return drm_mmap(filp, vma); 288 289 return ttm_bo_mmap(filp, vma, &drm->ttm.bdev); 290 } 291 292 static int 293 nouveau_ttm_mem_global_init(struct drm_global_reference *ref) 294 { 295 return ttm_mem_global_init(ref->object); 296 } 297 298 static void 299 nouveau_ttm_mem_global_release(struct drm_global_reference *ref) 300 { 301 ttm_mem_global_release(ref->object); 302 } 303 304 int 305 nouveau_ttm_global_init(struct nouveau_drm *drm) 306 { 307 struct drm_global_reference *global_ref; 308 int ret; 309 310 global_ref = &drm->ttm.mem_global_ref; 311 global_ref->global_type = DRM_GLOBAL_TTM_MEM; 312 global_ref->size = sizeof(struct ttm_mem_global); 313 global_ref->init = &nouveau_ttm_mem_global_init; 314 global_ref->release = &nouveau_ttm_mem_global_release; 315 316 ret = drm_global_item_ref(global_ref); 317 if (unlikely(ret != 0)) { 318 DRM_ERROR("Failed setting up TTM memory accounting\n"); 319 drm->ttm.mem_global_ref.release = NULL; 320 return ret; 321 } 322 323 drm->ttm.bo_global_ref.mem_glob = global_ref->object; 324 global_ref = &drm->ttm.bo_global_ref.ref; 325 global_ref->global_type = DRM_GLOBAL_TTM_BO; 326 global_ref->size = sizeof(struct ttm_bo_global); 327 global_ref->init = &ttm_bo_global_init; 328 global_ref->release = &ttm_bo_global_release; 329 330 ret = drm_global_item_ref(global_ref); 331 if (unlikely(ret != 0)) { 332 DRM_ERROR("Failed setting up TTM BO subsystem\n"); 333 drm_global_item_unref(&drm->ttm.mem_global_ref); 334 drm->ttm.mem_global_ref.release = NULL; 335 return ret; 336 } 337 338 return 0; 339 } 340 341 void 342 nouveau_ttm_global_release(struct nouveau_drm *drm) 343 { 344 if (drm->ttm.mem_global_ref.release == NULL) 345 return; 346 347 drm_global_item_unref(&drm->ttm.bo_global_ref.ref); 348 drm_global_item_unref(&drm->ttm.mem_global_ref); 349 drm->ttm.mem_global_ref.release = NULL; 350 } 351 352 int 353 nouveau_ttm_init(struct nouveau_drm *drm) 354 { 355 struct drm_device *dev = drm->dev; 356 u32 bits; 357 int ret; 358 359 bits = nvkm_vmmgr(&drm->device)->dma_bits; 360 if (nv_device_is_pci(nvkm_device(&drm->device))) { 361 if (drm->agp.stat == ENABLED || 362 !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits))) 363 bits = 32; 364 365 ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits)); 366 if (ret) 367 return ret; 368 369 ret = pci_set_consistent_dma_mask(dev->pdev, 370 DMA_BIT_MASK(bits)); 371 if (ret) 372 pci_set_consistent_dma_mask(dev->pdev, 373 DMA_BIT_MASK(32)); 374 } 375 376 ret = nouveau_ttm_global_init(drm); 377 if (ret) 378 return ret; 379 380 ret = ttm_bo_device_init(&drm->ttm.bdev, 381 drm->ttm.bo_global_ref.ref.object, 382 &nouveau_bo_driver, 383 dev->anon_inode->i_mapping, 384 DRM_FILE_PAGE_OFFSET, 385 bits <= 32 ? true : false); 386 if (ret) { 387 NV_ERROR(drm, "error initialising bo driver, %d\n", ret); 388 return ret; 389 } 390 391 /* VRAM init */ 392 drm->gem.vram_available = drm->device.info.ram_user; 393 394 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM, 395 drm->gem.vram_available >> PAGE_SHIFT); 396 if (ret) { 397 NV_ERROR(drm, "VRAM mm init failed, %d\n", ret); 398 return ret; 399 } 400 401 drm->ttm.mtrr = arch_phys_wc_add(nv_device_resource_start(nvkm_device(&drm->device), 1), 402 nv_device_resource_len(nvkm_device(&drm->device), 1)); 403 404 /* GART init */ 405 if (drm->agp.stat != ENABLED) { 406 drm->gem.gart_available = nvkm_vmmgr(&drm->device)->limit; 407 } else { 408 drm->gem.gart_available = drm->agp.size; 409 } 410 411 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT, 412 drm->gem.gart_available >> PAGE_SHIFT); 413 if (ret) { 414 NV_ERROR(drm, "GART mm init failed, %d\n", ret); 415 return ret; 416 } 417 418 NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20)); 419 NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20)); 420 return 0; 421 } 422 423 void 424 nouveau_ttm_fini(struct nouveau_drm *drm) 425 { 426 mutex_lock(&drm->dev->struct_mutex); 427 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM); 428 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT); 429 mutex_unlock(&drm->dev->struct_mutex); 430 431 ttm_bo_device_release(&drm->ttm.bdev); 432 433 nouveau_ttm_global_release(drm); 434 435 arch_phys_wc_del(drm->ttm.mtrr); 436 drm->ttm.mtrr = 0; 437 } 438