| /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ |
| /* |
| * |
| * (C) COPYRIGHT 2019-2021 ARM Limited. All rights reserved. |
| * |
| * This program is free software and is provided to you under the terms of the |
| * GNU General Public License version 2 as published by the Free Software |
| * Foundation, and any use by you of this program is subject to the terms |
| * of such GNU license. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, you can access it online at |
| * http://www.gnu.org/licenses/gpl-2.0.html. |
| * |
| */ |
| |
| #include <mali_kbase.h> |
| |
| #ifndef _KBASE_CSF_HEAP_CONTEXT_ALLOC_H_ |
| #define _KBASE_CSF_HEAP_CONTEXT_ALLOC_H_ |
| |
| /** |
| * kbase_csf_heap_context_allocator_init - Initialize an allocator for heap |
| * contexts |
| * @ctx_alloc: Pointer to the heap context allocator to initialize. |
| * @kctx: Pointer to the kbase context. |
| * |
| * Return: 0 if successful or a negative error code on failure. |
| */ |
| int kbase_csf_heap_context_allocator_init( |
| struct kbase_csf_heap_context_allocator *const ctx_alloc, |
| struct kbase_context *const kctx); |
| |
| /** |
| * kbase_csf_heap_context_allocator_term - Terminate an allocator for heap |
| * contexts |
| * @ctx_alloc: Pointer to the heap context allocator to terminate. |
| */ |
| void kbase_csf_heap_context_allocator_term( |
| struct kbase_csf_heap_context_allocator *const ctx_alloc); |
| |
| /** |
| * kbase_csf_heap_context_allocator_alloc - Allocate a heap context structure |
| * |
| * If this function is successful then it returns the address of a |
| * zero-initialized heap context structure for use by the firmware. |
| * |
| * @ctx_alloc: Pointer to the heap context allocator. |
| * |
| * Return: GPU virtual address of the allocated heap context or 0 on failure. |
| */ |
| u64 kbase_csf_heap_context_allocator_alloc( |
| struct kbase_csf_heap_context_allocator *const ctx_alloc); |
| |
| /** |
| * kbase_csf_heap_context_allocator_free - Free a heap context structure |
| * |
| * This function returns a heap context structure to the free pool of unused |
| * contexts for possible reuse by a future call to |
| * @kbase_csf_heap_context_allocator_alloc. |
| * |
| * @ctx_alloc: Pointer to the heap context allocator. |
| * @heap_gpu_va: The GPU virtual address of a heap context structure that |
| * was allocated for the firmware. |
| */ |
| void kbase_csf_heap_context_allocator_free( |
| struct kbase_csf_heap_context_allocator *const ctx_alloc, |
| u64 const heap_gpu_va); |
| |
| #endif /* _KBASE_CSF_HEAP_CONTEXT_ALLOC_H_ */ |