/* 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) */ 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 */