| /* |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * on the rights to use, copy, modify, merge, publish, distribute, sub |
| * license, and/or sell copies of the Software, and to permit persons to whom |
| * the Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, |
| * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
| * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
| * USE OR OTHER DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Adam Rak <adam.rak@streamnovation.com> |
| */ |
| |
| #ifndef COMPUTE_MEMORY_POOL |
| #define COMPUTE_MEMORY_POOL |
| |
| #include <stdlib.h> |
| |
| #define ITEM_MAPPED_FOR_READING (1<<0) |
| #define ITEM_MAPPED_FOR_WRITING (1<<1) |
| #define ITEM_FOR_PROMOTING (1<<2) |
| #define ITEM_FOR_DEMOTING (1<<3) |
| |
| #define POOL_FRAGMENTED (1<<0) |
| |
| struct compute_memory_pool; |
| |
| struct compute_memory_item |
| { |
| int64_t id; /**< ID of the memory chunk */ |
| |
| uint32_t status; /**< Will track the status of the item */ |
| |
| /** Start pointer in dwords relative in the pool bo. If an item |
| * is unallocated, then this value must be -1 to indicate this. */ |
| int64_t start_in_dw; |
| int64_t size_in_dw; /**< Size of the chunk in dwords */ |
| |
| /** Intermediate buffer asociated with an item. It is used mainly for mapping |
| * items against it. They are listed in the pool's unallocated list */ |
| struct r600_resource *real_buffer; |
| |
| struct compute_memory_pool* pool; |
| |
| struct list_head link; |
| }; |
| |
| struct compute_memory_pool |
| { |
| int64_t next_id; /**< For generating unique IDs for memory chunks */ |
| int64_t size_in_dw; /**< Size of the pool in dwords */ |
| |
| struct r600_resource *bo; /**< The pool buffer object resource */ |
| struct r600_screen *screen; |
| |
| uint32_t *shadow; /**< host copy of the pool, used for growing the pool */ |
| |
| uint32_t status; /**< Status of the pool */ |
| |
| /** Allocated memory items in the pool, they must be ordered by "start_in_dw" */ |
| struct list_head *item_list; |
| |
| /** Unallocated memory items, this list contains all the items that aren't |
| * yet in the pool */ |
| struct list_head *unallocated_list; |
| }; |
| |
| |
| static inline int is_item_in_pool(struct compute_memory_item *item) |
| { |
| return item->start_in_dw != -1; |
| } |
| |
| struct compute_memory_pool* compute_memory_pool_new(struct r600_screen *rscreen); |
| |
| void compute_memory_pool_delete(struct compute_memory_pool* pool); |
| |
| int64_t compute_memory_prealloc_chunk(struct compute_memory_pool* pool, |
| int64_t size_in_dw); |
| |
| struct list_head *compute_memory_postalloc_chunk(struct compute_memory_pool* pool, |
| int64_t start_in_dw); |
| |
| int compute_memory_grow_defrag_pool(struct compute_memory_pool* pool, |
| struct pipe_context *pipe, int new_size_in_dw); |
| |
| void compute_memory_shadow(struct compute_memory_pool* pool, |
| struct pipe_context *pipe, int device_to_host); |
| |
| int compute_memory_finalize_pending(struct compute_memory_pool* pool, |
| struct pipe_context * pipe); |
| |
| void compute_memory_defrag(struct compute_memory_pool *pool, |
| struct pipe_resource *src, struct pipe_resource *dst, |
| struct pipe_context *pipe); |
| |
| int compute_memory_promote_item(struct compute_memory_pool *pool, |
| struct compute_memory_item *item, struct pipe_context *pipe, |
| int64_t allocated); |
| |
| void compute_memory_demote_item(struct compute_memory_pool *pool, |
| struct compute_memory_item *item, struct pipe_context *pipe); |
| |
| void compute_memory_move_item(struct compute_memory_pool *pool, |
| struct pipe_resource *src, struct pipe_resource *dst, |
| struct compute_memory_item *item, uint64_t new_start_in_dw, |
| struct pipe_context *pipe); |
| |
| void compute_memory_free(struct compute_memory_pool* pool, int64_t id); |
| |
| struct compute_memory_item* compute_memory_alloc(struct compute_memory_pool* pool, |
| int64_t size_in_dw); |
| |
| void compute_memory_transfer(struct compute_memory_pool* pool, |
| struct pipe_context * pipe, int device_to_host, |
| struct compute_memory_item* chunk, void* data, |
| int offset_in_chunk, int size); |
| |
| void compute_memory_transfer_direct(struct compute_memory_pool* pool, |
| int chunk_to_data, struct compute_memory_item* chunk, |
| struct r600_resource* data, int offset_in_chunk, |
| int offset_in_data, int size); |
| |
| #endif |