1/*
2 * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
3 *
4 * SPDX-License-Identifier: BSD-3-Clause
5 */
6
7#ifndef __PARAM_HEADER_H__
8#define __PARAM_HEADER_H__
9
10/* Param header types */
11#define PARAM_EP		0x01
12#define PARAM_IMAGE_BINARY	0x02
13#define PARAM_BL31		0x03
14#define PARAM_BL_LOAD_INFO	0x04
15#define PARAM_BL_PARAMS		0x05
16#define PARAM_PSCI_LIB_ARGS	0x06
17
18/* Param header version */
19#define VERSION_1	0x01
20#define VERSION_2	0x02
21
22#define SET_PARAM_HEAD(_p, _type, _ver, _attr) do { \
23	(_p)->h.type = (uint8_t)(_type); \
24	(_p)->h.version = (uint8_t)(_ver); \
25	(_p)->h.size = (uint16_t)sizeof(*_p); \
26	(_p)->h.attr = (uint32_t)(_attr) ; \
27	} while (0)
28
29/* Following is used for populating structure members statically. */
30#define SET_STATIC_PARAM_HEAD(_p, _type, _ver, _p_type, _attr)	\
31	._p.h.type = (uint8_t)(_type), \
32	._p.h.version = (uint8_t)(_ver), \
33	._p.h.size = (uint16_t)sizeof(_p_type), \
34	._p.h.attr = (uint32_t)(_attr)
35
36#ifndef __ASSEMBLY__
37
38#include <types.h>
39
40/***************************************************************************
41 * This structure provides version information and the size of the
42 * structure, attributes for the structure it represents
43 ***************************************************************************/
44typedef struct param_header {
45	uint8_t type;		/* type of the structure */
46	uint8_t version;    /* version of this structure */
47	uint16_t size;      /* size of this structure in bytes */
48	uint32_t attr;      /* attributes: unused bits SBZ */
49} param_header_t;
50
51#endif /*__ASSEMBLY__*/
52
53#endif /* __PARAM_HEADER_H__ */
54
55