9 #include <types/types.h>
10 #include <talloc/talloc.h>
15 static struct platform *platform;
16 static struct config *config;
18 static const char *kernel_cmdline_debug = "petitboot.debug";
20 static void dump_config(struct config *config)
24 pb_log("configuration:\n");
26 if (config->autoboot_enabled)
27 pb_log(" autoboot: enabled, %d sec\n",
28 config->autoboot_timeout_sec);
30 pb_log(" autoboot: disabled\n");
32 if (config->network.n_interfaces || config->network.n_dns_servers)
33 pb_log(" network configuration:\n");
35 if (config->safe_mode)
36 pb_log(" safe mode: active\n");
38 for (i = 0; i < config->network.n_interfaces; i++) {
39 struct interface_config *ifconf =
40 config->network.interfaces[i];
42 pb_log(" interface %02x:%02x:%02x:%02x:%02x:%02x\n",
43 ifconf->hwaddr[0], ifconf->hwaddr[1],
44 ifconf->hwaddr[2], ifconf->hwaddr[3],
45 ifconf->hwaddr[4], ifconf->hwaddr[5]);
52 if (ifconf->method == CONFIG_METHOD_DHCP) {
55 } else if (ifconf->method == CONFIG_METHOD_STATIC) {
57 pb_log(" ip: %s\n", ifconf->static_config.address);
58 pb_log(" gw: %s\n", ifconf->static_config.gateway);
62 for (i = 0; i < config->network.n_dns_servers; i++)
63 pb_log(" dns server %s\n", config->network.dns_servers[i]);
65 for (i = 0; i < config->n_autoboot_opts; i++) {
66 if (config->autoboot_opts[i].boot_type == BOOT_DEVICE_TYPE)
67 pb_log(" boot device %d: %s\n", i,
68 device_type_name(config->autoboot_opts[i].type));
70 pb_log(" boot device %d: uuid: %s\n",
71 i, config->autoboot_opts[i].uuid);
74 pb_log(" IPMI boot device 0x%02x%s\n", config->ipmi_bootdev,
75 config->ipmi_bootdev_persistent ? " (persistent)" : "");
78 pb_log(" language: %s\n", config->lang ?: "");
81 static bool config_debug_on_cmdline(void)
86 fd = open("/proc/cmdline", O_RDONLY);
90 rc = read(fd, buf, sizeof(buf));
96 return memmem(buf, rc, kernel_cmdline_debug,
97 strlen(kernel_cmdline_debug)) != NULL;
100 void config_set_defaults(struct config *config)
102 config->autoboot_enabled = true;
103 config->autoboot_timeout_sec = 10;
104 config->autoboot_enabled = true;
105 config->network.interfaces = NULL;
106 config->network.n_interfaces = 0;
107 config->network.dns_servers = NULL;
108 config->network.n_dns_servers = 0;
109 config->safe_mode = false;
111 config->allow_writes = true;
113 config->n_autoboot_opts = 2;
114 config->autoboot_opts = talloc_array(config, struct autoboot_option,
115 config->n_autoboot_opts);
116 config->autoboot_opts[0].boot_type = BOOT_DEVICE_TYPE;
117 config->autoboot_opts[0].type = DEVICE_TYPE_NETWORK;
118 config->autoboot_opts[1].boot_type = BOOT_DEVICE_TYPE;
119 config->autoboot_opts[1].type = DEVICE_TYPE_ANY;
121 config->ipmi_bootdev = 0;
122 config->ipmi_bootdev_persistent = false;
124 config->debug = config_debug_on_cmdline();
127 int platform_init(void *ctx)
129 extern struct platform *__start_platforms, *__stop_platforms;
132 platform_ctx = talloc_new(ctx);
134 for (p = &__start_platforms; p < &__stop_platforms; p++) {
135 if (!(*p)->probe(*p, platform_ctx))
141 config = talloc(platform_ctx, struct config);
142 config_set_defaults(config);
145 pb_log("Detected platform type: %s\n", platform->name);
146 if (platform->load_config)
147 platform->load_config(platform, config);
149 pb_log("No platform type detected, some platform-specific "
150 "functionality will be disabled\n");
158 const struct platform *platform_get(void)
163 void platform_pre_boot(void)
165 const struct config *config = config_get();
167 if (platform && config && platform->pre_boot)
168 platform->pre_boot(platform, config);
171 int platform_get_sysinfo(struct system_info *info)
173 if (platform && platform->get_sysinfo)
174 return platform->get_sysinfo(platform, info);
178 int config_set(struct config *newconfig)
182 if (!platform || !platform->save_config)
185 if (newconfig == config)
188 pb_log("new configuration data received\n");
189 dump_config(newconfig);
191 rc = platform->save_config(platform, newconfig);
194 config = talloc_steal(platform_ctx, newconfig);
196 pb_log("error saving new configuration; changes lost\n");
201 /* A non-exported function to allow the test infrastructure to initialise
202 * (and change) the configuration variables */
204 struct config __attribute__((unused)) *test_config_init(
205 struct parser_test *test);
206 struct config *test_config_init(struct parser_test *test)
208 config = talloc(test, struct config);
209 config_set_defaults(config);
213 const struct config *config_get(void)
218 void config_set_autoboot(bool autoboot_enabled)
220 config->autoboot_enabled = autoboot_enabled;
222 pb_log("set autoboot: %s\n",
223 config->autoboot_enabled ? "enabled" : "disabled");
226 int platform_fini(void)
228 talloc_free(platform_ctx);