ubuntu-linux-kernel/drivers/net/wireless/quantenna/qtnfmac/shm_ipc_defs.h

47 lines
1.3 KiB
C

/*
* Copyright (c) 2015-2016 Quantenna Communications, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#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_ */