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/* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
*
* Copyright 2013-2016 Freescale Semiconductor Inc.
* Copyright 2016-2017 NXP
*
*/
#ifndef __FSL_DPBP_H
#define __FSL_DPBP_H
/*
* Data Path Buffer Pool API
* Contains initialization APIs and runtime control APIs for DPBP
*/
struct fsl_mc_io;
int dpbp_open(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
int dpbp_id,
uint16_t *token);
int dpbp_close(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
/**
* struct dpbp_cfg - Structure representing DPBP configuration
* @options: place holder
*/
struct dpbp_cfg {
uint32_t options;
};
int dpbp_create(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
const struct dpbp_cfg *cfg,
uint32_t *obj_id);
int dpbp_destroy(struct fsl_mc_io *mc_io,
uint16_t dprc_token,
uint32_t cmd_flags,
uint32_t obj_id);
int dpbp_enable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
int dpbp_disable(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
int dpbp_is_enabled(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
int *en);
int dpbp_reset(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token);
/**
* struct dpbp_attr - Structure representing DPBP attributes
* @id: DPBP object ID
* @bpid: Hardware buffer pool ID; should be used as an argument in
* acquire/release operations on buffers
*/
struct dpbp_attr {
int id;
uint16_t bpid;
};
int dpbp_get_attributes(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
struct dpbp_attr *attr);
/**
* DPBP notifications options
*/
/**
* BPSCN write will attempt to allocate into a cache (coherent write)
*/
#define DPBP_NOTIF_OPT_COHERENT_WRITE 0x00000001
int dpbp_get_api_version(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t *major_ver,
uint16_t *minor_ver);
int dpbp_get_num_free_bufs(struct fsl_mc_io *mc_io,
uint32_t cmd_flags,
uint16_t token,
uint32_t *num_free_bufs);
#endif /* __FSL_DPBP_H */
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