1 /* SPDX-License-Identifier: BSD-3-Clause */ 2 /* Copyright (c) 2021, Intel Corporation 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * 3. Neither the name of the Intel Corporation nor the names of its 16 * contributors may be used to endorse or promote products derived from 17 * this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 20 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 23 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _IAVF_ALLOC_H_ 33 #define _IAVF_ALLOC_H_ 34 35 struct iavf_hw; 36 37 /* Memory allocation types */ 38 enum iavf_memory_type { 39 iavf_mem_arq_buf = 0, /* ARQ indirect command buffer */ 40 iavf_mem_asq_buf = 1, 41 iavf_mem_atq_buf = 2, /* ATQ indirect command buffer */ 42 iavf_mem_arq_ring = 3, /* ARQ descriptor ring */ 43 iavf_mem_atq_ring = 4, /* ATQ descriptor ring */ 44 iavf_mem_pd = 5, /* Page Descriptor */ 45 iavf_mem_bp = 6, /* Backing Page - 4KB */ 46 iavf_mem_bp_jumbo = 7, /* Backing Page - > 4KB */ 47 iavf_mem_reserved 48 }; 49 50 /* prototype for functions used for dynamic memory allocation */ 51 enum iavf_status iavf_allocate_dma_mem(struct iavf_hw *hw, 52 struct iavf_dma_mem *mem, 53 enum iavf_memory_type type, 54 u64 size, u32 alignment); 55 enum iavf_status iavf_free_dma_mem(struct iavf_hw *hw, 56 struct iavf_dma_mem *mem); 57 enum iavf_status iavf_allocate_virt_mem(struct iavf_hw *hw, 58 struct iavf_virt_mem *mem, 59 u32 size); 60 enum iavf_status iavf_free_virt_mem(struct iavf_hw *hw, 61 struct iavf_virt_mem *mem); 62 63 #endif /* _IAVF_ALLOC_H_ */ 64