1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * (C) Copyright 2012
4 * Joe Hershberger, National Instruments, joe.hershberger@ni.com
5 */
6
7#ifndef __ENV_CALLBACK_H__
8#define __ENV_CALLBACK_H__
9
10#include <env_flags.h>
11#include <linker_lists.h>
12#include <search.h>
13
14#define ENV_CALLBACK_VAR ".callbacks"
15
16/* Board configs can define additional static callback bindings */
17#ifndef CFG_ENV_CALLBACK_LIST_STATIC
18#define CFG_ENV_CALLBACK_LIST_STATIC
19#endif
20
21#ifdef CONFIG_SILENT_CONSOLE
22#define SILENT_CALLBACK "silent:silent,"
23#else
24#define SILENT_CALLBACK
25#endif
26
27#ifdef CONFIG_REGEX
28#define ENV_DOT_ESCAPE "\\"
29#else
30#define ENV_DOT_ESCAPE
31#endif
32
33#ifdef CONFIG_CMD_DNS
34#define DNS_CALLBACK "dnsip:dnsip,"
35#else
36#define DNS_CALLBACK
37#endif
38
39#ifdef CONFIG_NET
40#define NET_CALLBACKS \
41	"bootfile:bootfile," \
42	"ipaddr:ipaddr," \
43	"gatewayip:gatewayip," \
44	"netmask:netmask," \
45	"serverip:serverip," \
46	"nvlan:nvlan," \
47	"vlan:vlan," \
48	DNS_CALLBACK \
49	"eth" ETHADDR_WILDCARD "addr:ethaddr,"
50#else
51#define NET_CALLBACKS
52#endif
53
54#ifdef CONFIG_IPV6
55#define NET6_CALLBACKS \
56	"ip6addr:ip6addr," \
57	"serverip6:serverip6," \
58	"gatewayip6:gatewayip6,"
59#else
60#define NET6_CALLBACKS
61#endif
62
63#ifdef CONFIG_BOOTSTD_FULL
64#define BOOTSTD_CALLBACK \
65	"bootmeths:bootmeths," \
66	"bootargs:bootargs,"
67#else
68#define BOOTSTD_CALLBACK
69#endif
70
71/*
72 * This list of callback bindings is static, but may be overridden by defining
73 * a new association in the ".callbacks" environment variable.
74 */
75#define ENV_CALLBACK_LIST_STATIC ENV_DOT_ESCAPE ENV_CALLBACK_VAR ":callbacks," \
76	ENV_DOT_ESCAPE ENV_FLAGS_VAR ":flags," \
77	"baudrate:baudrate," \
78	NET_CALLBACKS \
79	NET6_CALLBACKS \
80	BOOTSTD_CALLBACK \
81	"loadaddr:loadaddr," \
82	SILENT_CALLBACK \
83	"stdin:console,stdout:console,stderr:console," \
84	"serial#:serialno," \
85	CFG_ENV_CALLBACK_LIST_STATIC
86
87#ifndef CONFIG_SPL_BUILD
88void env_callback_init(struct env_entry *var_entry);
89#else
90static inline void env_callback_init(struct env_entry *var_entry)
91{
92}
93#endif
94
95#endif /* __ENV_CALLBACK_H__ */
96