1 /*
2  * Copyright (c) 2024, Arm Limited. All rights reserved.
3  *
4  * SPDX-License-Identifier: BSD-3-Clause
5  *
6  */
7 
8 /*
9  * Packing scheme of the control parameter
10  *
11  *  31           30-28   27    26-24  23-20   19     18-16   15-0
12  * +------------+-----+------+-------+-----+-------+-------+------+
13  * |            |     |      | invec |     |       | outvec| type |
14  * | Res        | Res | Res  | number| Res | Res   | number|      |
15  * +------------+-----+------+-------+-----+-------+-------+------+
16  *
17  * Res: Reserved.
18  */
19 
20 #ifndef RSE_COMMS_PROTOCOL_COMMON
21 #define RSE_COMMS_PROTOCOL_COMMON
22 
23 #define TYPE_OFFSET	(0U)
24 #define TYPE_MASK	(0xFFFFUL << TYPE_OFFSET)
25 #define IN_LEN_OFFSET	(24U)
26 #define IN_LEN_MASK	(0x7UL << IN_LEN_OFFSET)
27 #define OUT_LEN_OFFSET	(16U)
28 #define OUT_LEN_MASK	(0x7UL << OUT_LEN_OFFSET)
29 
30 #define PARAM_PACK(type, in_len, out_len)			   \
31 	(((((uint32_t)(type)) << TYPE_OFFSET) & TYPE_MASK)	 | \
32 	 ((((uint32_t)(in_len)) << IN_LEN_OFFSET) & IN_LEN_MASK) | \
33 	 ((((uint32_t)(out_len)) << OUT_LEN_OFFSET) & OUT_LEN_MASK))
34 
35 #endif /* RSE_COMMS_PROTOCOL_COMMON */
36