| /* |
| * 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_ */ |
