protocol: expose discovery reinit over client/server protocol

Now that we can re-initialise the device handler, allow this to be
triggered from UIs over the petitboot protocol.

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

2 files changed, 16 insertions, 0 deletions

diff --git a/ui/common/discover-client.c b/ui/common/discover-client.c
index 0e7da9d..fbf70ba 100644
--- a/ui/common/discover-client.c
+++ b/ui/common/discover-client.c
@@ -333,6 +333,19 @@ int discover_client_cancel_default(struct discover_client *client)
 	return pb_protocol_write_message(client->fd, message);
 }
 
+int discover_client_send_reinit(struct discover_client *client)
+{
+	struct pb_protocol_message *message;
+
+	message = pb_protocol_create_message(client,
+			PB_PROTOCOL_ACTION_REINIT, 0);
+
+	if (!message)
+		return -1;
+
+	return pb_protocol_write_message(client->fd, message);
+}
+
 int discover_client_send_config(struct discover_client *client,
 		struct config *config)
 {
diff --git a/ui/common/discover-client.h b/ui/common/discover-client.h
index 68be8a5..405bd24 100644
--- a/ui/common/discover-client.h
+++ b/ui/common/discover-client.h
@@ -76,6 +76,9 @@ int discover_client_boot(struct discover_client *client,
  */
 int discover_client_cancel_default(struct discover_client *client);
 
+/* Tell the discover server to reinitialise */
+int discover_client_send_reinit(struct discover_client *client);
+
 /* Send new configuration data to the discover server */
 int discover_client_send_config(struct discover_client *client,
 		struct config *config);