avionic design with actual uboot and tooling
submodule of avionic design uboot bootloader and with included tools to get you started , read readme.md and readme-tk1-loader.md
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u-boot/include/fsl-mc/fsl_dpbp.h
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u-boot/include/fsl-mc/fsl_dpbp.h
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/*
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* Freescale Layerscape MC I/O wrapper
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*
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* Copyright (C) 2013-2015 Freescale Semiconductor, Inc.
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* Author: German Rivera <German.Rivera@freescale.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*!
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* @file fsl_dpbp.h
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* @brief Data Path Buffer Pool API
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*/
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#ifndef __FSL_DPBP_H
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#define __FSL_DPBP_H
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/* DPBP Version */
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#define DPBP_VER_MAJOR 2
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#define DPBP_VER_MINOR 2
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/* Command IDs */
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#define DPBP_CMDID_CLOSE 0x800
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#define DPBP_CMDID_OPEN 0x804
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#define DPBP_CMDID_CREATE 0x904
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#define DPBP_CMDID_DESTROY 0x900
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#define DPBP_CMDID_ENABLE 0x002
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#define DPBP_CMDID_DISABLE 0x003
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#define DPBP_CMDID_GET_ATTR 0x004
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#define DPBP_CMDID_RESET 0x005
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/* cmd, param, offset, width, type, arg_name */
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#define DPBP_CMD_OPEN(cmd, dpbp_id) \
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MC_CMD_OP(cmd, 0, 0, 32, int, dpbp_id)
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/* cmd, param, offset, width, type, arg_name */
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#define DPBP_RSP_GET_ATTRIBUTES(cmd, attr) \
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do { \
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MC_RSP_OP(cmd, 0, 16, 16, uint16_t, attr->bpid); \
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MC_RSP_OP(cmd, 0, 32, 32, int, attr->id);\
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MC_RSP_OP(cmd, 1, 0, 16, uint16_t, attr->version.major);\
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MC_RSP_OP(cmd, 1, 16, 16, uint16_t, attr->version.minor);\
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} while (0)
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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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/**
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* dpbp_open() - Open a control session for the specified object.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @dpbp_id: DPBP unique ID
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* @token: Returned token; use in subsequent API calls
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*
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* This function can be used to open a control session for an
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* already created object; an object may have been declared in
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* the DPL or by calling the dpbp_create function.
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* This function returns a unique authentication token,
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* associated with the specific object ID and the specific MC
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* portal; this token must be used in all subsequent commands for
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* this specific object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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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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/**
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* dpbp_close() - Close the control session of the object
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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*
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* After this function is called, no further operations are
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* allowed on the object without opening a new control session.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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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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/**
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* dpbp_create() - Create the DPBP object.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @cfg: Configuration structure
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* @token: Returned token; use in subsequent API calls
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*
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* Create the DPBP object, allocate required resources and
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* perform required initialization.
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*
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* The object can be created either by declaring it in the
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* DPL file, or by calling this function.
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* This function returns a unique authentication token,
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* associated with the specific object ID and the specific MC
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* portal; this token must be used in all subsequent calls to
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* this specific object. For objects that are created using the
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* DPL file, call dpbp_open function to get an authentication
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* token first.
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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int dpbp_create(struct fsl_mc_io *mc_io,
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uint32_t cmd_flags,
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const struct dpbp_cfg *cfg,
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uint16_t *token);
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/**
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* dpbp_destroy() - Destroy the DPBP object and release all its resources.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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*
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* Return: '0' on Success; error code otherwise.
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*/
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int dpbp_destroy(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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* dpbp_enable() - Enable the DPBP.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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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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/**
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* dpbp_disable() - Disable the DPBP.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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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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/**
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* dpbp_is_enabled() - Check if the DPBP is enabled.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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* @en: Returns '1' if object is enabled; '0' otherwise
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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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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/**
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* dpbp_reset() - Reset the DPBP, returns the object to initial state.
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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*
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* Return: '0' on Success; Error code otherwise.
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*/
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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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* @version: DPBP version
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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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/**
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* struct version - Structure representing DPBP version
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* @major: DPBP major version
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* @minor: DPBP minor version
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*/
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struct {
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uint16_t major;
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uint16_t minor;
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} version;
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uint16_t bpid;
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};
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/**
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* dpbp_get_attributes - Retrieve DPBP attributes.
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*
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* @mc_io: Pointer to MC portal's I/O object
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* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
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* @token: Token of DPBP object
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* @attr: Returned object's attributes
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*
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* Return: '0' on Success; Error code otherwise.
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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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#endif /* __FSL_DPBP_H */
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