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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Freescale Layerscape MC I/O wrapper
* Data Path Buffer Pool API
* Contains initialization APIs and runtime control APIs for DPBP
*
* Copyright 2013-2016 Freescale Semiconductor, Inc.
* Copyright 2017-2023 NXP
*/
#ifndef __FSL_DPBP_H
#define __FSL_DPBP_H
/* DPBP Version */
#define DPBP_VER_MAJOR 3
#define DPBP_VER_MINOR 3
/* Command IDs */
#define DPBP_CMDID_CLOSE 0x8001
#define DPBP_CMDID_OPEN 0x8041
#define DPBP_CMDID_CREATE 0x9041
#define DPBP_CMDID_DESTROY 0x9841
#define DPBP_CMDID_GET_API_VERSION 0xa041
#define DPBP_CMDID_ENABLE 0x0021
#define DPBP_CMDID_DISABLE 0x0031
#define DPBP_CMDID_GET_ATTR 0x0041
#define DPBP_CMDID_RESET 0x0051
#pragma pack(push, 1)
struct dpbp_cmd_open {
__le32 dpbp_id;
};
struct dpbp_cmd_destroy {
__le32 object_id;
};
struct dpbp_rsp_get_attributes {
__le16 pad;
__le16 bpid;
__le32 id;
};
#pragma pack(pop)
struct fsl_mc_io;
int dpbp_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int dpbp_id, u16 *token);
int dpbp_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
/**
* struct dpbp_cfg - Structure representing DPBP configuration
* @options: place holder
*/
struct dpbp_cfg {
u32 options;
};
int dpbp_create(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags,
const struct dpbp_cfg *cfg, u32 *obj_id);
int dpbp_destroy(struct fsl_mc_io *mc_io, u16 dprc_token, u32 cmd_flags,
u32 obj_id);
int dpbp_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
int dpbp_disable(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
int dpbp_reset(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token);
/**
* struct dpbp_attr - Structure representing DPBP attributes
* @id: DPBP object ID
* @version: DPBP version
* @bpid: Hardware buffer pool ID; should be used as an argument in
* acquire/release operations on buffers
*/
struct dpbp_attr {
u32 id;
u16 bpid;
};
int dpbp_get_attributes(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
struct dpbp_attr *attr);
int dpbp_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
u16 *major_ver, u16 *minor_ver);
#endif /* __FSL_DPBP_H */
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