drm2/ttm/ttm_bo.c

45 static void ttm_bo_global_kobj_release(struct ttm_bo_global *glob);
96 static ssize_t ttm_bo_global_show(struct ttm_bo_global *glob,
101 			(unsigned long) atomic_read(&glob->bo_count));
125 	atomic_dec(&bo->glob->bo_count);
131 	ttm_mem_global_free(bdev->glob->mem_glob, acc_size);
149 		ret = -msleep(bo, &bo->glob->lru_lock, flags, wmsg, 0);
174 			list_add_tail(&bo->swap, &bo->glob->swap_lru);
282 	struct ttm_bo_global *glob = bo->glob;
286 	mtx_lock(&bo->glob->lru_lock);
291 		mtx_unlock(&glob->lru_lock);
294 		mtx_unlock(&bo->glob->lru_lock);
336 	struct ttm_bo_global *glob = bo->glob;
339 	mtx_lock(&glob->lru_lock);
343 		mtx_unlock(&glob->lru_lock);
346 		mtx_unlock(&glob->lru_lock);
359 	struct ttm_bo_global *glob = bo->glob;
361 	mtx_lock(&glob->lru_lock);
363 	mtx_unlock(&glob->lru_lock);
372 	struct ttm_bo_global *glob = bo->glob;
388 						      page_flags, glob->dummy_read_page);
395 						      glob->dummy_read_page);
552 	struct ttm_bo_global *glob = bo->glob;
558 	mtx_lock(&glob->lru_lock);
567 		mtx_unlock(&glob->lru_lock);
585 	mtx_unlock(&glob->lru_lock);
613 	struct ttm_bo_global *glob = bo->glob;
633 		mtx_unlock(&glob->lru_lock);
650 		mtx_lock(&glob->lru_lock);
662 			mtx_unlock(&glob->lru_lock);
671 		mtx_unlock(&glob->lru_lock);
679 	mtx_unlock(&glob->lru_lock);
694 	struct ttm_bo_global *glob = bdev->glob;
698 	mtx_lock(&glob->lru_lock);
725 			mtx_unlock(&glob->lru_lock);
734 		mtx_lock(&glob->lru_lock);
740 	mtx_unlock(&glob->lru_lock);
865 	struct ttm_bo_global *glob = bdev->glob;
870 	mtx_lock(&glob->lru_lock);
878 		mtx_unlock(&glob->lru_lock);
893 	mtx_unlock(&glob->lru_lock);
1231 	struct ttm_mem_global *mem_glob = bdev->glob->mem_glob;
1264 	bo->glob = bdev->glob;
1280 	atomic_inc(&bo->glob->bo_count);
1366 	struct ttm_bo_global *glob = bdev->glob;
1373 	mtx_lock(&glob->lru_lock);
1375 		mtx_unlock(&glob->lru_lock);
1384 		mtx_lock(&glob->lru_lock);
1386 	mtx_unlock(&glob->lru_lock);
1471 static void ttm_bo_global_kobj_release(struct ttm_bo_global *glob)
1474 	ttm_mem_unregister_shrink(glob->mem_glob, &glob->shrink);
1475 	vm_page_free(glob->dummy_read_page);
1480 	struct ttm_bo_global *glob = ref->object;
1482 	if (refcount_release(&glob->kobj_ref))
1483 		ttm_bo_global_kobj_release(glob);
1490 	struct ttm_bo_global *glob = ref->object;
1493 	sx_init(&glob->device_list_mutex, "ttmdlm");
1494 	mtx_init(&glob->lru_lock, "ttmlru", NULL, MTX_DEF);
1495 	glob->mem_glob = bo_ref->mem_glob;
1496 	glob->dummy_read_page = vm_page_alloc_contig(NULL, 0,
1500 	if (unlikely(glob->dummy_read_page == NULL)) {
1505 	INIT_LIST_HEAD(&glob->swap_lru);
1506 	INIT_LIST_HEAD(&glob->device_list);
1508 	ttm_mem_init_shrink(&glob->shrink, ttm_bo_swapout);
1509 	ret = ttm_mem_register_shrink(glob->mem_glob, &glob->shrink);
1515 	atomic_set(&glob->bo_count, 0);
1517 	refcount_init(&glob->kobj_ref, 1);
1521 	vm_page_free(glob->dummy_read_page);
1523 	free(glob, M_DRM_GLOBAL);
1532 	struct ttm_bo_global *glob = bdev->glob;
1547 	sx_xlock(&glob->device_list_mutex);
1549 	sx_xunlock(&glob->device_list_mutex);
1557 	mtx_lock(&glob->lru_lock);
1563 	mtx_unlock(&glob->lru_lock);
1574 		       struct ttm_bo_global *glob,
1603 	bdev->glob = glob;
1607 	sx_xlock(&glob->device_list_mutex);
1608 	list_add_tail(&bdev->device_list, &glob->device_list);
1609 	sx_xunlock(&glob->device_list_mutex);
1799 	struct ttm_bo_global *glob =
1806 	mtx_lock(&glob->lru_lock);
1807 	list_for_each_entry(bo, &glob->swap_lru, swap) {
1814 		mtx_unlock(&glob->lru_lock);
1828 	mtx_unlock(&glob->lru_lock);
1885 	while (ttm_bo_swapout(&bdev->glob->shrink) == 0)