16bbc98a3e
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com> Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
/*-
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* BSD LICENSE
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*
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* Copyright 2013-2016 Freescale Semiconductor Inc.
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* Copyright 2016-2017 NXP.
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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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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * 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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* * Neither the name of the above-listed copyright holders nor the
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* names of any contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* GPL LICENSE SUMMARY
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*
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* ALTERNATIVELY, this software may be distributed under the terms of the
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* GNU General Public License ("GPL") as published by the Free Software
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* Foundation, either version 2 of that License or (at your option) any
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* later version.
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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 HOLDERS 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 __FSL_DPBP_H
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#define __FSL_DPBP_H
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/*
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* Data Path Buffer Pool API
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* Contains initialization APIs and runtime control APIs for DPBP
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*/
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struct fsl_mc_io;
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int dpbp_open(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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int dpbp_id,
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uint16_t *token);
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int dpbp_close(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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/**
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* struct dpbp_cfg - Structure representing DPBP configuration
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* @options: place holder
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*/
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struct dpbp_cfg {
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uint32_t options;
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};
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int dpbp_create(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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const struct dpbp_cfg *cfg,
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uint32_t *obj_id);
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int dpbp_destroy(struct fsl_mc_io *mc_io,
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uint16_t dprc_token,
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uint32_t cmd_flags,
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uint32_t obj_id);
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int dpbp_enable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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int dpbp_disable(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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int dpbp_is_enabled(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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int *en);
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int dpbp_reset(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token);
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/**
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* struct dpbp_attr - Structure representing DPBP attributes
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* @id: DPBP object ID
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* @bpid: Hardware buffer pool ID; should be used as an argument in
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* acquire/release operations on buffers
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*/
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struct dpbp_attr {
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int id;
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uint16_t bpid;
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};
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int dpbp_get_attributes(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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struct dpbp_attr *attr);
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/**
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* DPBP notifications options
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*/
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/**
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* BPSCN write will attempt to allocate into a cache (coherent write)
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*/
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int dpbp_get_api_version(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t *major_ver,
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uint16_t *minor_ver);
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int dpbp_get_num_free_bufs(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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uint16_t token,
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uint32_t *num_free_bufs);
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#endif /* __FSL_DPBP_H */
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