lib: Add pb-config module

Add a library for (name, value) configuration.

Different storage backends are allowed (although currently hardcoded to
powerpc nvram), and config is read-only at present.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>

1 files changed, 56 insertions, 0 deletions

diff --git a/lib/pb-config/storage-test.c b/lib/pb-config/storage-test.c
new file mode 100644
index 0000000..ba4e952
--- /dev/null
+++ b/lib/pb-config/storage-test.c
@@ -0,0 +1,56 @@
+
+#include <string.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+#include "pb-config.h"
+#include "storage.h"
+
+struct network_config net1 = {
+	.hwaddr = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55 },
+	.method = CONFIG_METHOD_DHCP,
+};
+
+struct network_config net2 = {
+	.hwaddr = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x56 },
+	.method = CONFIG_METHOD_STATIC,
+	.static_config = {
+		.address = "192.168.0.2/24",
+		.gateway = "192.168.0.1",
+	},
+};
+
+struct network_config *network_configs[] = { &net1, &net2 };
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
+
+struct config test_config = {
+	.autoboot_enabled = true,
+	.network_configs = network_configs,
+	.n_network_configs = ARRAY_SIZE(network_configs),
+};
+
+struct test_storage {
+	struct config_storage	storage;
+	struct param		*params;
+	int			n_params;
+};
+
+static int load(struct config_storage *st __attribute__((unused)),
+		struct config *config)
+{
+	memcpy(config, &test_config, sizeof(test_config));
+	return 0;
+}
+
+static struct test_storage st = {
+	.storage = {
+		.load  = load,
+	},
+};
+
+struct config_storage *create_test_storage(void *ctx __attribute__((unused)))
+{
+	return &st.storage;
+}