1 /* SPDX-License-Identifier: GPL-2.0 or MIT */ 2 /* Copyright 2023 Collabora ltd. */ 3 4 #ifndef __PANTHOR_HEAP_H__ 5 #define __PANTHOR_HEAP_H__ 6 7 #include <linux/types.h> 8 9 struct panthor_device; 10 struct panthor_heap_pool; 11 struct panthor_vm; 12 13 int panthor_heap_create(struct panthor_heap_pool *pool, 14 u32 initial_chunk_count, 15 u32 chunk_size, 16 u32 max_chunks, 17 u32 target_in_flight, 18 u64 *heap_ctx_gpu_va, 19 u64 *first_chunk_gpu_va); 20 int panthor_heap_destroy(struct panthor_heap_pool *pool, u32 handle); 21 22 struct panthor_heap_pool * 23 panthor_heap_pool_create(struct panthor_device *ptdev, struct panthor_vm *vm); 24 void panthor_heap_pool_destroy(struct panthor_heap_pool *pool); 25 26 struct panthor_heap_pool * 27 panthor_heap_pool_get(struct panthor_heap_pool *pool); 28 void panthor_heap_pool_put(struct panthor_heap_pool *pool); 29 30 size_t panthor_heap_pool_size(struct panthor_heap_pool *pool); 31 32 int panthor_heap_grow(struct panthor_heap_pool *pool, 33 u64 heap_gpu_va, 34 u32 renderpasses_in_flight, 35 u32 pending_frag_count, 36 u64 *new_chunk_gpu_va); 37 int panthor_heap_return_chunk(struct panthor_heap_pool *pool, 38 u64 heap_gpu_va, 39 u64 chunk_gpu_va); 40 41 #endif 42