64 lines
2.7 KiB
C
64 lines
2.7 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause */
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/* Copyright (c) 2021, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _IAVF_ALLOC_H_
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#define _IAVF_ALLOC_H_
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struct iavf_hw;
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/* Memory allocation types */
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enum iavf_memory_type {
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iavf_mem_arq_buf = 0, /* ARQ indirect command buffer */
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iavf_mem_asq_buf = 1,
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iavf_mem_atq_buf = 2, /* ATQ indirect command buffer */
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iavf_mem_arq_ring = 3, /* ARQ descriptor ring */
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iavf_mem_atq_ring = 4, /* ATQ descriptor ring */
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iavf_mem_pd = 5, /* Page Descriptor */
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iavf_mem_bp = 6, /* Backing Page - 4KB */
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iavf_mem_bp_jumbo = 7, /* Backing Page - > 4KB */
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iavf_mem_reserved
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};
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/* prototype for functions used for dynamic memory allocation */
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enum iavf_status iavf_allocate_dma_mem(struct iavf_hw *hw,
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struct iavf_dma_mem *mem,
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enum iavf_memory_type type,
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u64 size, u32 alignment);
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enum iavf_status iavf_free_dma_mem(struct iavf_hw *hw,
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struct iavf_dma_mem *mem);
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enum iavf_status iavf_allocate_virt_mem(struct iavf_hw *hw,
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struct iavf_virt_mem *mem,
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u32 size);
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enum iavf_status iavf_free_virt_mem(struct iavf_hw *hw,
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struct iavf_virt_mem *mem);
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#endif /* _IAVF_ALLOC_H_ */
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