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 <subdev/fb.h> 28 #include <subdev/vm.h> 29 #include <subdev/instmem.h> 30 31 #include "nouveau_drm.h" 32 #include "nouveau_ttm.h" 33 #include "nouveau_gem.h" 34 35 static int 36 nouveau_vram_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 37 { 38 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 39 struct nouveau_fb *pfb = nouveau_fb(drm->device); 40 man->priv = pfb; 41 return 0; 42 } 43 44 static int 45 nouveau_vram_manager_fini(struct ttm_mem_type_manager *man) 46 { 47 man->priv = NULL; 48 return 0; 49 } 50 51 static inline void 52 nouveau_mem_node_cleanup(struct nouveau_mem *node) 53 { 54 if (node->vma[0].node) { 55 nouveau_vm_unmap(&node->vma[0]); 56 nouveau_vm_put(&node->vma[0]); 57 } 58 59 if (node->vma[1].node) { 60 nouveau_vm_unmap(&node->vma[1]); 61 nouveau_vm_put(&node->vma[1]); 62 } 63 } 64 65 static void 66 nouveau_vram_manager_del(struct ttm_mem_type_manager *man, 67 struct ttm_mem_reg *mem) 68 { 69 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 70 struct nouveau_fb *pfb = nouveau_fb(drm->device); 71 nouveau_mem_node_cleanup(mem->mm_node); 72 pfb->ram.put(pfb, (struct nouveau_mem **)&mem->mm_node); 73 } 74 75 static int 76 nouveau_vram_manager_new(struct ttm_mem_type_manager *man, 77 struct ttm_buffer_object *bo, 78 struct ttm_placement *placement, 79 struct ttm_mem_reg *mem) 80 { 81 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 82 struct nouveau_fb *pfb = nouveau_fb(drm->device); 83 struct nouveau_bo *nvbo = nouveau_bo(bo); 84 struct nouveau_mem *node; 85 u32 size_nc = 0; 86 int ret; 87 88 if (nvbo->tile_flags & NOUVEAU_GEM_TILE_NONCONTIG) 89 size_nc = 1 << nvbo->page_shift; 90 91 ret = pfb->ram.get(pfb, mem->num_pages << PAGE_SHIFT, 92 mem->page_alignment << PAGE_SHIFT, size_nc, 93 (nvbo->tile_flags >> 8) & 0x3ff, &node); 94 if (ret) { 95 mem->mm_node = NULL; 96 return (ret == -ENOSPC) ? 0 : ret; 97 } 98 99 node->page_shift = nvbo->page_shift; 100 101 mem->mm_node = node; 102 mem->start = node->offset >> PAGE_SHIFT; 103 return 0; 104 } 105 106 static void 107 nouveau_vram_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 108 { 109 struct nouveau_fb *pfb = man->priv; 110 struct nouveau_mm *mm = &pfb->vram; 111 struct nouveau_mm_node *r; 112 u32 total = 0, free = 0; 113 114 mutex_lock(&mm->mutex); 115 list_for_each_entry(r, &mm->nodes, nl_entry) { 116 printk(KERN_DEBUG "%s %d: 0x%010llx 0x%010llx\n", 117 prefix, r->type, ((u64)r->offset << 12), 118 (((u64)r->offset + r->length) << 12)); 119 120 total += r->length; 121 if (!r->type) 122 free += r->length; 123 } 124 mutex_unlock(&mm->mutex); 125 126 printk(KERN_DEBUG "%s total: 0x%010llx free: 0x%010llx\n", 127 prefix, (u64)total << 12, (u64)free << 12); 128 printk(KERN_DEBUG "%s block: 0x%08x\n", 129 prefix, mm->block_size << 12); 130 } 131 132 const struct ttm_mem_type_manager_func nouveau_vram_manager = { 133 nouveau_vram_manager_init, 134 nouveau_vram_manager_fini, 135 nouveau_vram_manager_new, 136 nouveau_vram_manager_del, 137 nouveau_vram_manager_debug 138 }; 139 140 static int 141 nouveau_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 142 { 143 return 0; 144 } 145 146 static int 147 nouveau_gart_manager_fini(struct ttm_mem_type_manager *man) 148 { 149 return 0; 150 } 151 152 static void 153 nouveau_gart_manager_del(struct ttm_mem_type_manager *man, 154 struct ttm_mem_reg *mem) 155 { 156 nouveau_mem_node_cleanup(mem->mm_node); 157 kfree(mem->mm_node); 158 mem->mm_node = NULL; 159 } 160 161 static int 162 nouveau_gart_manager_new(struct ttm_mem_type_manager *man, 163 struct ttm_buffer_object *bo, 164 struct ttm_placement *placement, 165 struct ttm_mem_reg *mem) 166 { 167 struct nouveau_drm *drm = nouveau_bdev(bo->bdev); 168 struct nouveau_bo *nvbo = nouveau_bo(bo); 169 struct nouveau_mem *node; 170 171 if (unlikely((mem->num_pages << PAGE_SHIFT) >= 512 * 1024 * 1024)) 172 return -ENOMEM; 173 174 node = kzalloc(sizeof(*node), GFP_KERNEL); 175 if (!node) 176 return -ENOMEM; 177 node->page_shift = 12; 178 179 switch (nv_device(drm->device)->card_type) { 180 case NV_50: 181 if (nv_device(drm->device)->chipset != 0x50) 182 node->memtype = (nvbo->tile_flags & 0x7f00) >> 8; 183 break; 184 case NV_C0: 185 case NV_D0: 186 case NV_E0: 187 node->memtype = (nvbo->tile_flags & 0xff00) >> 8; 188 break; 189 default: 190 break; 191 } 192 193 mem->mm_node = node; 194 mem->start = 0; 195 return 0; 196 } 197 198 static void 199 nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 200 { 201 } 202 203 const struct ttm_mem_type_manager_func nouveau_gart_manager = { 204 nouveau_gart_manager_init, 205 nouveau_gart_manager_fini, 206 nouveau_gart_manager_new, 207 nouveau_gart_manager_del, 208 nouveau_gart_manager_debug 209 }; 210 211 #include <core/subdev/vm/nv04.h> 212 static int 213 nv04_gart_manager_init(struct ttm_mem_type_manager *man, unsigned long psize) 214 { 215 struct nouveau_drm *drm = nouveau_bdev(man->bdev); 216 struct nouveau_vmmgr *vmm = nouveau_vmmgr(drm->device); 217 struct nv04_vmmgr_priv *priv = (void *)vmm; 218 struct nouveau_vm *vm = NULL; 219 nouveau_vm_ref(priv->vm, &vm, NULL); 220 man->priv = vm; 221 return 0; 222 } 223 224 static int 225 nv04_gart_manager_fini(struct ttm_mem_type_manager *man) 226 { 227 struct nouveau_vm *vm = man->priv; 228 nouveau_vm_ref(NULL, &vm, NULL); 229 man->priv = NULL; 230 return 0; 231 } 232 233 static void 234 nv04_gart_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *mem) 235 { 236 struct nouveau_mem *node = mem->mm_node; 237 if (node->vma[0].node) 238 nouveau_vm_put(&node->vma[0]); 239 kfree(mem->mm_node); 240 mem->mm_node = NULL; 241 } 242 243 static int 244 nv04_gart_manager_new(struct ttm_mem_type_manager *man, 245 struct ttm_buffer_object *bo, 246 struct ttm_placement *placement, 247 struct ttm_mem_reg *mem) 248 { 249 struct nouveau_mem *node; 250 int ret; 251 252 node = kzalloc(sizeof(*node), GFP_KERNEL); 253 if (!node) 254 return -ENOMEM; 255 256 node->page_shift = 12; 257 258 ret = nouveau_vm_get(man->priv, mem->num_pages << 12, node->page_shift, 259 NV_MEM_ACCESS_RW, &node->vma[0]); 260 if (ret) { 261 kfree(node); 262 return ret; 263 } 264 265 mem->mm_node = node; 266 mem->start = node->vma[0].offset >> PAGE_SHIFT; 267 return 0; 268 } 269 270 static void 271 nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix) 272 { 273 } 274 275 const struct ttm_mem_type_manager_func nv04_gart_manager = { 276 nv04_gart_manager_init, 277 nv04_gart_manager_fini, 278 nv04_gart_manager_new, 279 nv04_gart_manager_del, 280 nv04_gart_manager_debug 281 }; 282 283 int 284 nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma) 285 { 286 struct drm_file *file_priv = filp->private_data; 287 struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev); 288 289 if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) 290 return drm_mmap(filp, vma); 291 292 return ttm_bo_mmap(filp, vma, &drm->ttm.bdev); 293 } 294 295 static int 296 nouveau_ttm_mem_global_init(struct drm_global_reference *ref) 297 { 298 return ttm_mem_global_init(ref->object); 299 } 300 301 static void 302 nouveau_ttm_mem_global_release(struct drm_global_reference *ref) 303 { 304 ttm_mem_global_release(ref->object); 305 } 306 307 int 308 nouveau_ttm_global_init(struct nouveau_drm *drm) 309 { 310 struct drm_global_reference *global_ref; 311 int ret; 312 313 global_ref = &drm->ttm.mem_global_ref; 314 global_ref->global_type = DRM_GLOBAL_TTM_MEM; 315 global_ref->size = sizeof(struct ttm_mem_global); 316 global_ref->init = &nouveau_ttm_mem_global_init; 317 global_ref->release = &nouveau_ttm_mem_global_release; 318 319 ret = drm_global_item_ref(global_ref); 320 if (unlikely(ret != 0)) { 321 DRM_ERROR("Failed setting up TTM memory accounting\n"); 322 drm->ttm.mem_global_ref.release = NULL; 323 return ret; 324 } 325 326 drm->ttm.bo_global_ref.mem_glob = global_ref->object; 327 global_ref = &drm->ttm.bo_global_ref.ref; 328 global_ref->global_type = DRM_GLOBAL_TTM_BO; 329 global_ref->size = sizeof(struct ttm_bo_global); 330 global_ref->init = &ttm_bo_global_init; 331 global_ref->release = &ttm_bo_global_release; 332 333 ret = drm_global_item_ref(global_ref); 334 if (unlikely(ret != 0)) { 335 DRM_ERROR("Failed setting up TTM BO subsystem\n"); 336 drm_global_item_unref(&drm->ttm.mem_global_ref); 337 drm->ttm.mem_global_ref.release = NULL; 338 return ret; 339 } 340 341 return 0; 342 } 343 344 void 345 nouveau_ttm_global_release(struct nouveau_drm *drm) 346 { 347 if (drm->ttm.mem_global_ref.release == NULL) 348 return; 349 350 drm_global_item_unref(&drm->ttm.bo_global_ref.ref); 351 drm_global_item_unref(&drm->ttm.mem_global_ref); 352 drm->ttm.mem_global_ref.release = NULL; 353 } 354 355 int 356 nouveau_ttm_init(struct nouveau_drm *drm) 357 { 358 struct drm_device *dev = drm->dev; 359 u32 bits; 360 int ret; 361 362 bits = nouveau_vmmgr(drm->device)->dma_bits; 363 if ( drm->agp.stat == ENABLED || 364 !pci_dma_supported(dev->pdev, DMA_BIT_MASK(bits))) 365 bits = 32; 366 367 ret = pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(bits)); 368 if (ret) 369 return ret; 370 371 ret = pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(bits)); 372 if (ret) 373 pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(32)); 374 375 ret = nouveau_ttm_global_init(drm); 376 if (ret) 377 return ret; 378 379 ret = ttm_bo_device_init(&drm->ttm.bdev, 380 drm->ttm.bo_global_ref.ref.object, 381 &nouveau_bo_driver, DRM_FILE_PAGE_OFFSET, 382 bits <= 32 ? true : false); 383 if (ret) { 384 NV_ERROR(drm, "error initialising bo driver, %d\n", ret); 385 return ret; 386 } 387 388 /* VRAM init */ 389 drm->gem.vram_available = nouveau_fb(drm->device)->ram.size; 390 drm->gem.vram_available -= nouveau_instmem(drm->device)->reserved; 391 392 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM, 393 drm->gem.vram_available >> PAGE_SHIFT); 394 if (ret) { 395 NV_ERROR(drm, "VRAM mm init failed, %d\n", ret); 396 return ret; 397 } 398 399 drm->ttm.mtrr = drm_mtrr_add(pci_resource_start(dev->pdev, 1), 400 pci_resource_len(dev->pdev, 1), 401 DRM_MTRR_WC); 402 403 /* GART init */ 404 if (drm->agp.stat != ENABLED) { 405 drm->gem.gart_available = nouveau_vmmgr(drm->device)->limit; 406 if (drm->gem.gart_available > 512 * 1024 * 1024) 407 drm->gem.gart_available = 512 * 1024 * 1024; 408 } else { 409 drm->gem.gart_available = drm->agp.size; 410 } 411 412 ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT, 413 drm->gem.gart_available >> PAGE_SHIFT); 414 if (ret) { 415 NV_ERROR(drm, "GART mm init failed, %d\n", ret); 416 return ret; 417 } 418 419 NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20)); 420 NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20)); 421 return 0; 422 } 423 424 void 425 nouveau_ttm_fini(struct nouveau_drm *drm) 426 { 427 mutex_lock(&drm->dev->struct_mutex); 428 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM); 429 ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT); 430 mutex_unlock(&drm->dev->struct_mutex); 431 432 ttm_bo_device_release(&drm->ttm.bdev); 433 434 nouveau_ttm_global_release(drm); 435 436 if (drm->ttm.mtrr >= 0) { 437 drm_mtrr_del(drm->ttm.mtrr, 438 pci_resource_start(drm->dev->pdev, 1), 439 pci_resource_len(drm->dev->pdev, 1), DRM_MTRR_WC); 440 drm->ttm.mtrr = -1; 441 } 442 } 443