1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
2 | /* Copyright (c) 2015-2016 Quantenna Communications. All rights reserved. */ |
3 | |
4 | #ifndef _QTN_FMAC_SHM_IPC_DEFS_H_ |
5 | #define _QTN_FMAC_SHM_IPC_DEFS_H_ |
6 | |
7 | #include <linux/types.h> |
8 | |
9 | #define QTN_IPC_REG_HDR_SZ (32) |
10 | #define QTN_IPC_REG_SZ (4096) |
11 | #define QTN_IPC_MAX_DATA_SZ (QTN_IPC_REG_SZ - QTN_IPC_REG_HDR_SZ) |
12 | |
13 | enum qtnf_shm_ipc_region_flags { |
14 | QTNF_SHM_IPC_NEW_DATA = BIT(0), |
15 | QTNF_SHM_IPC_ACK = BIT(1), |
16 | }; |
17 | |
18 | struct { |
19 | __le32 ; |
20 | __le16 ; |
21 | } __packed; |
22 | |
23 | union qtnf_shm_ipc_region_headroom { |
24 | struct qtnf_shm_ipc_region_header hdr; |
25 | u8 headroom[QTN_IPC_REG_HDR_SZ]; |
26 | } __packed; |
27 | |
28 | struct qtnf_shm_ipc_region { |
29 | union qtnf_shm_ipc_region_headroom headroom; |
30 | u8 data[QTN_IPC_MAX_DATA_SZ]; |
31 | } __packed; |
32 | |
33 | #endif /* _QTN_FMAC_SHM_IPC_DEFS_H_ */ |
34 | |