| /* 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_ */ |
