petitboot: Implement ordered boot options
[petitboot] / lib / pb-protocol / pb-protocol.c
index 439824871ebf1e380561cc76129da2d3f81d3f98..69ea35d2eed735382abe2bf22acc64444311159c 100644 (file)
@@ -280,9 +280,13 @@ int pb_protocol_config_len(const struct config *config)
                len += 4 + optional_strlen(config->network.dns_servers[i]);
 
        len += 4;
-       len += config->n_boot_priorities * 8;
-
-       len += 4 + optional_strlen(config->boot_device);
+       for (i = 0; i < config->n_autoboot_opts; i++) {
+               if (config->autoboot_opts[i].boot_type == BOOT_DEVICE_TYPE)
+                       len += 4 + 4;
+               else
+                       len += 4 + 4 +
+                               optional_strlen(config->autoboot_opts[i].uuid);
+       }
 
        len += 4 + 4; /* ipmi_bootdev, ipmi_bootdev_persistent */
 
@@ -477,19 +481,22 @@ int pb_protocol_serialise_config(const struct config *config,
                                config->network.dns_servers[i]);
        }
 
-       *(uint32_t *)pos = __cpu_to_be32(config->n_boot_priorities);
+       *(uint32_t *)pos = __cpu_to_be32(config->n_autoboot_opts);
        pos += 4;
-       for (i = 0; i < config->n_boot_priorities; i++) {
-               *(uint32_t *)pos =
-                       __cpu_to_be32(config->boot_priorities[i].type);
-               pos += 4;
+       for (i = 0; i < config->n_autoboot_opts; i++) {
                *(uint32_t *)pos =
-                       __cpu_to_be32(config->boot_priorities[i].priority);
+                       __cpu_to_be32(config->autoboot_opts[i].boot_type);
                pos += 4;
+               if (config->autoboot_opts[i].boot_type == BOOT_DEVICE_TYPE) {
+                       *(uint32_t *)pos =
+                               __cpu_to_be32(config->autoboot_opts[i].type);
+                       pos += 4;
+               } else {
+                       pos += pb_protocol_serialise_string(pos,
+                                               config->autoboot_opts[i].uuid);
+               }
        }
 
-       pos += pb_protocol_serialise_string(pos, config->boot_device);
-
        *(uint32_t *)pos = __cpu_to_be32(config->ipmi_bootdev);
        pos += 4;
        *(uint32_t *)pos = config->ipmi_bootdev_persistent;
@@ -925,24 +932,26 @@ int pb_protocol_deserialise_config(struct config *config,
                config->network.dns_servers[i] = str;
        }
 
-       if (read_u32(&pos, &len, &config->n_boot_priorities))
+       if (read_u32(&pos, &len, &config->n_autoboot_opts))
                goto out;
-       config->boot_priorities = talloc_array(config, struct boot_priority,
-                       config->n_boot_priorities);
+       config->autoboot_opts = talloc_array(config, struct autoboot_option,
+                       config->n_autoboot_opts);
 
-       for (i = 0; i < config->n_boot_priorities; i++) {
+       for (i = 0; i < config->n_autoboot_opts; i++) {
                if (read_u32(&pos, &len, &tmp))
                        goto out;
-               config->boot_priorities[i].priority = (int)tmp;
-               if (read_u32(&pos, &len, &tmp))
-                       goto out;
-               config->boot_priorities[i].type = tmp;
+               config->autoboot_opts[i].boot_type = (int)tmp;
+               if (config->autoboot_opts[i].boot_type == BOOT_DEVICE_TYPE) {
+                       if (read_u32(&pos, &len, &tmp))
+                               goto out;
+                       config->autoboot_opts[i].type = tmp;
+               } else {
+                       if (read_string(config, &pos, &len, &str))
+                               goto out;
+                       config->autoboot_opts[i].uuid = str;
+               }
        }
 
-       if (read_string(config, &pos, &len, &str))
-               goto out;
-       config->boot_device = str;
-
        if (read_u32(&pos, &len, &config->ipmi_bootdev))
                goto out;
        if (read_u32(&pos, &len, &tmp))