discover-client: Add discover_client_boot

[petitboot] / lib / pb-protocol / pb-protocol.c

diff --git a/lib/pb-protocol/pb-protocol.c b/lib/pb-protocol/pb-protocol.c
index 54dfbf4e1f4e9469f627351268447f426d6afd9e..4e0af873b710ad8d72707c9fa60190076197e865 100644 (file)
--- a/lib/pb-protocol/pb-protocol.c
+++ b/lib/pb-protocol/pb-protocol.c
@@ -38,6 +38,14 @@
  * action = 0x2: device remove message
  *  payload:
  *   4-byte len, id
+ *
+ * action = 0x3: boot
+ *  payload:
+ *   4-byte len, boot option id
+ *   4-byte len, boot_image_file
+ *   4-byte len, initrd_file
+ *   4-byte len, boot_args
+ *
  */
 
 void pb_protocol_dump_device(const struct device *dev, const char *text,
@@ -175,6 +183,14 @@ int pb_protocol_device_len(const struct device *dev)
        return len;
 }
 
+int pb_protocol_boot_len(const struct boot_command *boot)
+{
+       return  4 + optional_strlen(boot->option_id) +
+               4 + optional_strlen(boot->boot_image_file) +
+               4 + optional_strlen(boot->initrd_file) +
+               4 + optional_strlen(boot->boot_args);
+}
+
 int pb_protocol_serialise_device(const struct device *dev, char *buf, int buf_len)
 {
        struct boot_option *opt;
@@ -210,6 +226,23 @@ int pb_protocol_serialise_device(const struct device *dev, char *buf, int buf_le
        }
 
        assert(pos <= buf + buf_len);
+       (void)buf_len;
+
+       return 0;
+}
+
+int pb_protocol_serialise_boot_command(const struct boot_command *boot,
+               char *buf, int buf_len)
+{
+       char *pos = buf;
+
+       pos += pb_protocol_serialise_string(pos, boot->option_id);
+       pos += pb_protocol_serialise_string(pos, boot->boot_image_file);
+       pos += pb_protocol_serialise_string(pos, boot->initrd_file);
+       pos += pb_protocol_serialise_string(pos, boot->boot_args);
+
+       assert(pos <= buf + buf_len);
+       (void)buf_len;
 
        return 0;
 }