diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/core/mm.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/core/mm.h | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h b/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h index 2002a4da9999..b0726c39429e 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/core/mm.h @@ -31,7 +31,7 @@ nvkm_mm_initialised(struct nvkm_mm *mm) return mm->heap_nodes; } -int nvkm_mm_init(struct nvkm_mm *, u32 offset, u32 length, u32 block); +int nvkm_mm_init(struct nvkm_mm *, u8 heap, u32 offset, u32 length, u32 block); int nvkm_mm_fini(struct nvkm_mm *); int nvkm_mm_head(struct nvkm_mm *, u8 heap, u8 type, u32 size_max, u32 size_min, u32 align, struct nvkm_mm_node **); @@ -40,9 +40,39 @@ int nvkm_mm_tail(struct nvkm_mm *, u8 heap, u8 type, u32 size_max, void nvkm_mm_free(struct nvkm_mm *, struct nvkm_mm_node **); void nvkm_mm_dump(struct nvkm_mm *, const char *); +static inline u32 +nvkm_mm_heap_size(struct nvkm_mm *mm, u8 heap) +{ + struct nvkm_mm_node *node; + u32 size = 0; + list_for_each_entry(node, &mm->nodes, nl_entry) { + if (node->heap == heap) + size += node->length; + } + return size; +} + static inline bool nvkm_mm_contiguous(struct nvkm_mm_node *node) { return !node->next; } + +static inline u32 +nvkm_mm_addr(struct nvkm_mm_node *node) +{ + if (WARN_ON(!nvkm_mm_contiguous(node))) + return 0; + return node->offset; +} + +static inline u32 +nvkm_mm_size(struct nvkm_mm_node *node) +{ + u32 size = 0; + do { + size += node->length; + } while ((node = node->next)); + return size; +} #endif |