2 * Copyright (c) 2015-2016 Quantenna Communications, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
17 #ifndef _QTN_FMAC_SHM_IPC_DEFS_H_
18 #define _QTN_FMAC_SHM_IPC_DEFS_H_
20 #include <linux/types.h>
22 #define QTN_IPC_REG_HDR_SZ (32)
23 #define QTN_IPC_REG_SZ (4096)
24 #define QTN_IPC_MAX_DATA_SZ (QTN_IPC_REG_SZ - QTN_IPC_REG_HDR_SZ)
26 enum qtnf_shm_ipc_region_flags {
27 QTNF_SHM_IPC_NEW_DATA = BIT(0),
28 QTNF_SHM_IPC_ACK = BIT(1),
31 struct qtnf_shm_ipc_region_header {
36 union qtnf_shm_ipc_region_headroom {
37 struct qtnf_shm_ipc_region_header hdr;
38 u8 headroom[QTN_IPC_REG_HDR_SZ];
41 struct qtnf_shm_ipc_region {
42 union qtnf_shm_ipc_region_headroom headroom;
43 u8 data[QTN_IPC_MAX_DATA_SZ];
46 #endif /* _QTN_FMAC_SHM_IPC_DEFS_H_ */