/* SPDX-License-Identifier: GPL-2.0+ */ /* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */ #ifndef _QTN_FMAC_SHM_IPC_DEFS_H_ #define _QTN_FMAC_SHM_IPC_DEFS_H_ #include <linux/types.h> #define QTN_IPC_REG_HDR_SZ (32) #define QTN_IPC_REG_SZ (4096) #define QTN_IPC_MAX_DATA_SZ (QTN_IPC_REG_SZ - QTN_IPC_REG_HDR_SZ) enum qtnf_shm_ipc_region_flags { QTNF_SHM_IPC_NEW_DATA = BIT(0), QTNF_SHM_IPC_ACK = BIT(1), }; struct qtnf_shm_ipc_region_header { __le32 flags; __le16 data_len; } __packed; union qtnf_shm_ipc_region_headroom { struct qtnf_shm_ipc_region_header hdr; u8 headroom[QTN_IPC_REG_HDR_SZ]; } __packed; struct qtnf_shm_ipc_region { union qtnf_shm_ipc_region_headroom headroom; u8 data[QTN_IPC_MAX_DATA_SZ]; } __packed; #endif /* _QTN_FMAC_SHM_IPC_DEFS_H_ */