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