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1/* SPDX-License-Identifier: GPL-2.0+ */2/* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */3 4#ifndef _QTN_FMAC_SHM_IPC_DEFS_H_5#define _QTN_FMAC_SHM_IPC_DEFS_H_6 7#include <linux/types.h>8 9#define QTN_IPC_REG_HDR_SZ (32)10#define QTN_IPC_REG_SZ (4096)11#define QTN_IPC_MAX_DATA_SZ (QTN_IPC_REG_SZ - QTN_IPC_REG_HDR_SZ)12 13enum qtnf_shm_ipc_region_flags {14 QTNF_SHM_IPC_NEW_DATA = BIT(0),15 QTNF_SHM_IPC_ACK = BIT(1),16};17 18struct qtnf_shm_ipc_region_header {19 __le32 flags;20 __le16 data_len;21} __packed;22 23union qtnf_shm_ipc_region_headroom {24 struct qtnf_shm_ipc_region_header hdr;25 u8 headroom[QTN_IPC_REG_HDR_SZ];26} __packed;27 28struct qtnf_shm_ipc_region {29 union qtnf_shm_ipc_region_headroom headroom;30 u8 data[QTN_IPC_MAX_DATA_SZ];31} __packed;32 33#endif /* _QTN_FMAC_SHM_IPC_DEFS_H_ */34