mpsc_packet.h

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/*
 * Copyright (c) 2021 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
#ifndef ZEPHYR_INCLUDE_SYS_MPSC_PACKET_H_
#define ZEPHYR_INCLUDE_SYS_MPSC_PACKET_H_
 
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define MPSC_PBUF_HDR_BITS 2
 
#define MPSC_PBUF_HDR \
        uint32_t valid: 1; \
        uint32_t busy: 1
 
struct mpsc_pbuf_hdr {
        MPSC_PBUF_HDR;
        uint32_t data: 32 - MPSC_PBUF_HDR_BITS;
};
 
struct mpsc_pbuf_skip {
        MPSC_PBUF_HDR;
        uint32_t len: 32 - MPSC_PBUF_HDR_BITS;
};
 
union mpsc_pbuf_generic {
        struct mpsc_pbuf_hdr hdr;
        struct mpsc_pbuf_skip skip;
        uint32_t raw;
};
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_SYS_MPSC_PACKET_H_ */