7 #include <asm/byteorder.h>
9 #include <talloc/talloc.h>
10 #include <list/list.h>
13 #include "pb-protocol.h"
18 * 4-byte action, determines the remaining message content
19 * 4-byte total payload len
20 * - not including action and payload len header
22 * action = 0x1: device add message
27 * 4-byte len, description
28 * 4-byte len, icon_file
34 * 4-byte len, description
35 * 4-byte len, icon_file
36 * 4-byte len, boot_image_file
37 * 4-byte len, initrd_file
38 * 4-byte len, dtb_file
39 * 4-byte len, boot_args
41 * action = 0x2: device remove message
47 * 4-byte len, boot option id
48 * 4-byte len, boot_image_file
49 * 4-byte len, initrd_file
50 * 4-byte len, dtb_file
51 * 4-byte len, boot_args
55 void pb_protocol_dump_device(const struct device *dev, const char *text,
58 struct boot_option *opt;
60 fprintf(stream, "%snew dev:\n", text);
61 fprintf(stream, "%s\tid: %s\n", text, dev->id);
62 fprintf(stream, "%s\tname: %s\n", text, dev->name);
63 fprintf(stream, "%s\tdesc: %s\n", text, dev->description);
64 fprintf(stream, "%s\ticon: %s\n", text, dev->icon_file);
65 fprintf(stream, "%s\tboot options:\n", text);
66 list_for_each_entry(&dev->boot_options, opt, list) {
67 fprintf(stream, "%s\t\tid: %s\n", text, opt->id);
68 fprintf(stream, "%s\t\tname: %s\n", text, opt->name);
69 fprintf(stream, "%s\t\tdesc: %s\n", text, opt->description);
70 fprintf(stream, "%s\t\ticon: %s\n", text, opt->icon_file);
71 fprintf(stream, "%s\t\tboot: %s\n", text, opt->boot_image_file);
72 fprintf(stream, "%s\t\tinit: %s\n", text, opt->initrd_file);
73 fprintf(stream, "%s\t\tdtb: %s\n", text, opt->dtb_file);
74 fprintf(stream, "%s\t\targs: %s\n", text, opt->boot_args);
78 int pb_protocol_device_cmp(const struct device *a, const struct device *b)
80 return !strcmp(a->id, b->id);
83 int pb_protocol_boot_option_cmp(const struct boot_option *a,
84 const struct boot_option *b)
86 return !strcmp(a->id, b->id);
89 /* Write a string into the buffer, starting at pos.
91 * Returns the total length used for the write, including length header.
93 int pb_protocol_serialise_string(char *pos, const char *str)
100 *(uint32_t *)pos = __cpu_to_be32(len);
101 pos += sizeof(uint32_t);
103 memcpy(pos, str, len);
105 return len + sizeof(uint32_t);
108 /* Read a string from a buffer, allocating the new string as necessary.
110 * @param[in] ctx The talloc context to base the allocation on
111 * @param[in,out] pos Where to start reading
112 * @param[in,out] len The amount of data remaining in the buffer
113 * @param[out] str Pointer to resuling string
114 * @return zero on success, non-zero on failure
116 static int read_string(void *ctx, const char **pos, unsigned int *len,
119 uint32_t str_len, read_len;
121 if (*len < sizeof(uint32_t))
124 str_len = __be32_to_cpu(*(uint32_t *)(*pos));
125 read_len = sizeof(uint32_t);
127 if (read_len + str_len > *len)
133 *str = talloc_strndup(ctx, *pos + read_len, str_len);
137 /* all ok, update the caller's pointers */
144 static int read_u32(const char **pos, unsigned int *len, unsigned int *p)
146 if (*len < sizeof(uint32_t))
149 *p = (unsigned int)__be32_to_cpu(*(uint32_t *)(*pos));
150 *pos += sizeof(uint32_t);
151 *len -= sizeof(uint32_t);
156 char *pb_protocol_deserialise_string(void *ctx,
157 const struct pb_protocol_message *message)
163 len = message->payload_len;
164 buf = message->payload;
166 if (read_string(ctx, &buf, &len, &str))
172 static int optional_strlen(const char *str)
179 int pb_protocol_device_len(const struct device *dev)
181 return 4 + optional_strlen(dev->id) +
183 4 + optional_strlen(dev->name) +
184 4 + optional_strlen(dev->description) +
185 4 + optional_strlen(dev->icon_file);
188 int pb_protocol_boot_option_len(const struct boot_option *opt)
191 return 4 + optional_strlen(opt->device_id) +
192 4 + optional_strlen(opt->id) +
193 4 + optional_strlen(opt->name) +
194 4 + optional_strlen(opt->description) +
195 4 + optional_strlen(opt->icon_file) +
196 4 + optional_strlen(opt->boot_image_file) +
197 4 + optional_strlen(opt->initrd_file) +
198 4 + optional_strlen(opt->dtb_file) +
199 4 + optional_strlen(opt->boot_args) +
200 sizeof(opt->is_default);
203 int pb_protocol_boot_len(const struct boot_command *boot)
205 return 4 + optional_strlen(boot->option_id) +
206 4 + optional_strlen(boot->boot_image_file) +
207 4 + optional_strlen(boot->initrd_file) +
208 4 + optional_strlen(boot->dtb_file) +
209 4 + optional_strlen(boot->boot_args);
212 int pb_protocol_boot_status_len(const struct boot_status *status)
215 4 + optional_strlen(status->message) +
216 4 + optional_strlen(status->detail) +
220 int pb_protocol_system_info_len(const struct system_info *sysinfo)
224 len = 4 + optional_strlen(sysinfo->type) +
225 4 + optional_strlen(sysinfo->identifier) +
229 for (i = 0; i < sysinfo->n_current; i++)
230 len += 4 + optional_strlen(sysinfo->platform_current[i]);
232 for (i = 0; i < sysinfo->n_other; i++)
233 len += 4 + optional_strlen(sysinfo->platform_other[i]);
235 for (i = 0; i < sysinfo->n_interfaces; i++) {
236 struct interface_info *if_info = sysinfo->interfaces[i];
237 len += 4 + if_info->hwaddr_size +
238 4 + optional_strlen(if_info->name) +
239 sizeof(if_info->link);
242 for (i = 0; i < sysinfo->n_blockdevs; i++) {
243 struct blockdev_info *bd_info = sysinfo->blockdevs[i];
244 len += 4 + optional_strlen(bd_info->name) +
245 4 + optional_strlen(bd_info->uuid) +
246 4 + optional_strlen(bd_info->mountpoint);
255 static int pb_protocol_interface_config_len(struct interface_config *conf)
259 len = sizeof(conf->hwaddr) +
260 4 /* conf->ignore */;
265 len += 4 /* conf->method */;
267 if (conf->method == CONFIG_METHOD_STATIC) {
268 len += 4 + optional_strlen(conf->static_config.address);
269 len += 4 + optional_strlen(conf->static_config.gateway);
270 len += 4 + optional_strlen(conf->static_config.url);
276 int pb_protocol_config_len(const struct config *config)
280 len = 4 /* config->autoboot_enabled */ +
281 4 /* config->autoboot_timeout_sec */ +
282 4 /* config->safe_mode */;
285 for (i = 0; i < config->network.n_interfaces; i++)
286 len += pb_protocol_interface_config_len(
287 config->network.interfaces[i]);
290 for (i = 0; i < config->network.n_dns_servers; i++)
291 len += 4 + optional_strlen(config->network.dns_servers[i]);
294 for (i = 0; i < config->n_autoboot_opts; i++) {
295 if (config->autoboot_opts[i].boot_type == BOOT_DEVICE_TYPE)
299 optional_strlen(config->autoboot_opts[i].uuid);
302 len += 4 + 4; /* ipmi_bootdev, ipmi_bootdev_persistent */
304 len += 4; /* allow_writes */
306 len += 4 + optional_strlen(config->lang);
311 int pb_protocol_url_len(const char *url)
313 /* url + length field */
314 return 4 + optional_strlen(url);
317 int pb_protocol_serialise_device(const struct device *dev,
318 char *buf, int buf_len)
322 pos += pb_protocol_serialise_string(pos, dev->id);
323 *(enum device_type *)pos = dev->type;
324 pos += sizeof(enum device_type);
325 pos += pb_protocol_serialise_string(pos, dev->name);
326 pos += pb_protocol_serialise_string(pos, dev->description);
327 pos += pb_protocol_serialise_string(pos, dev->icon_file);
329 assert(pos <= buf + buf_len);
335 int pb_protocol_serialise_boot_option(const struct boot_option *opt,
336 char *buf, int buf_len)
340 pos += pb_protocol_serialise_string(pos, opt->device_id);
341 pos += pb_protocol_serialise_string(pos, opt->id);
342 pos += pb_protocol_serialise_string(pos, opt->name);
343 pos += pb_protocol_serialise_string(pos, opt->description);
344 pos += pb_protocol_serialise_string(pos, opt->icon_file);
345 pos += pb_protocol_serialise_string(pos, opt->boot_image_file);
346 pos += pb_protocol_serialise_string(pos, opt->initrd_file);
347 pos += pb_protocol_serialise_string(pos, opt->dtb_file);
348 pos += pb_protocol_serialise_string(pos, opt->boot_args);
350 *(bool *)pos = opt->is_default;
353 assert(pos <= buf + buf_len);
359 int pb_protocol_serialise_boot_command(const struct boot_command *boot,
360 char *buf, int buf_len)
364 pos += pb_protocol_serialise_string(pos, boot->option_id);
365 pos += pb_protocol_serialise_string(pos, boot->boot_image_file);
366 pos += pb_protocol_serialise_string(pos, boot->initrd_file);
367 pos += pb_protocol_serialise_string(pos, boot->dtb_file);
368 pos += pb_protocol_serialise_string(pos, boot->boot_args);
370 assert(pos <= buf + buf_len);
376 int pb_protocol_serialise_boot_status(const struct boot_status *status,
377 char *buf, int buf_len)
381 *(uint32_t *)pos = __cpu_to_be32(status->type);
382 pos += sizeof(uint32_t);
384 pos += pb_protocol_serialise_string(pos, status->message);
385 pos += pb_protocol_serialise_string(pos, status->detail);
387 *(uint32_t *)pos = __cpu_to_be32(status->type);
388 pos += sizeof(uint32_t);
390 assert(pos <= buf + buf_len);
396 int pb_protocol_serialise_system_info(const struct system_info *sysinfo,
397 char *buf, int buf_len)
402 pos += pb_protocol_serialise_string(pos, sysinfo->type);
403 pos += pb_protocol_serialise_string(pos, sysinfo->identifier);
405 *(uint32_t *)pos = __cpu_to_be32(sysinfo->n_current);
406 pos += sizeof(uint32_t);
407 for (i = 0; i < sysinfo->n_current; i++)
408 pos += pb_protocol_serialise_string(pos, sysinfo->platform_current[i]);
410 *(uint32_t *)pos = __cpu_to_be32(sysinfo->n_other);
411 pos += sizeof(uint32_t);
412 for (i = 0; i < sysinfo->n_other; i++)
413 pos += pb_protocol_serialise_string(pos, sysinfo->platform_other[i]);
415 *(uint32_t *)pos = __cpu_to_be32(sysinfo->n_interfaces);
416 pos += sizeof(uint32_t);
418 for (i = 0; i < sysinfo->n_interfaces; i++) {
419 struct interface_info *if_info = sysinfo->interfaces[i];
421 *(uint32_t *)pos = __cpu_to_be32(if_info->hwaddr_size);
422 pos += sizeof(uint32_t);
424 memcpy(pos, if_info->hwaddr, if_info->hwaddr_size);
425 pos += if_info->hwaddr_size;
427 pos += pb_protocol_serialise_string(pos, if_info->name);
429 *(bool *)pos = if_info->link;
433 *(uint32_t *)pos = __cpu_to_be32(sysinfo->n_blockdevs);
434 pos += sizeof(uint32_t);
436 for (i = 0; i < sysinfo->n_blockdevs; i++) {
437 struct blockdev_info *bd_info = sysinfo->blockdevs[i];
439 pos += pb_protocol_serialise_string(pos, bd_info->name);
440 pos += pb_protocol_serialise_string(pos, bd_info->uuid);
441 pos += pb_protocol_serialise_string(pos, bd_info->mountpoint);
444 if (sysinfo->bmc_mac)
445 memcpy(pos, sysinfo->bmc_mac, HWADDR_SIZE);
447 memset(pos, 0, HWADDR_SIZE);
450 assert(pos <= buf + buf_len);
456 static int pb_protocol_serialise_config_interface(char *buf,
457 struct interface_config *conf)
461 memcpy(pos, conf->hwaddr, sizeof(conf->hwaddr));
462 pos += sizeof(conf->hwaddr);
464 *(uint32_t *)pos = conf->ignore;
470 *(uint32_t *)pos = __cpu_to_be32(conf->method);
473 if (conf->method == CONFIG_METHOD_STATIC) {
474 pos += pb_protocol_serialise_string(pos,
475 conf->static_config.address);
476 pos += pb_protocol_serialise_string(pos,
477 conf->static_config.gateway);
478 pos += pb_protocol_serialise_string(pos,
479 conf->static_config.url);
485 int pb_protocol_serialise_config(const struct config *config,
486 char *buf, int buf_len)
491 *(uint32_t *)pos = config->autoboot_enabled;
494 *(uint32_t *)pos = __cpu_to_be32(config->autoboot_timeout_sec);
497 *(uint32_t *)pos = config->safe_mode;
500 *(uint32_t *)pos = __cpu_to_be32(config->network.n_interfaces);
502 for (i = 0; i < config->network.n_interfaces; i++) {
503 struct interface_config *iface =
504 config->network.interfaces[i];
505 pos += pb_protocol_serialise_config_interface(pos, iface);
508 *(uint32_t *)pos = __cpu_to_be32(config->network.n_dns_servers);
510 for (i = 0; i < config->network.n_dns_servers; i++) {
511 pos += pb_protocol_serialise_string(pos,
512 config->network.dns_servers[i]);
515 *(uint32_t *)pos = __cpu_to_be32(config->n_autoboot_opts);
517 for (i = 0; i < config->n_autoboot_opts; i++) {
519 __cpu_to_be32(config->autoboot_opts[i].boot_type);
521 if (config->autoboot_opts[i].boot_type == BOOT_DEVICE_TYPE) {
523 __cpu_to_be32(config->autoboot_opts[i].type);
526 pos += pb_protocol_serialise_string(pos,
527 config->autoboot_opts[i].uuid);
531 *(uint32_t *)pos = __cpu_to_be32(config->ipmi_bootdev);
533 *(uint32_t *)pos = config->ipmi_bootdev_persistent;
536 *(uint32_t *)pos = config->allow_writes;
539 pos += pb_protocol_serialise_string(pos, config->lang);
541 assert(pos <= buf + buf_len);
547 int pb_protocol_serialise_url(const char *url, char *buf, int buf_len)
551 pos += pb_protocol_serialise_string(pos, url);
553 assert(pos <=buf+buf_len);
559 int pb_protocol_write_message(int fd, struct pb_protocol_message *message)
564 total_len = sizeof(*message) + message->payload_len;
566 message->payload_len = __cpu_to_be32(message->payload_len);
567 message->action = __cpu_to_be32(message->action);
569 for (pos = (void *)message; total_len;) {
570 rc = write(fd, pos, total_len);
579 talloc_free(message);
584 pb_log("%s: failed: %s\n", __func__, strerror(errno));
588 struct pb_protocol_message *pb_protocol_create_message(void *ctx,
589 enum pb_protocol_action action, int payload_len)
591 struct pb_protocol_message *message;
593 if (payload_len > PB_PROTOCOL_MAX_PAYLOAD_SIZE) {
594 pb_log("%s: payload too big %u/%u\n", __func__, payload_len,
595 PB_PROTOCOL_MAX_PAYLOAD_SIZE);
599 message = talloc_size(ctx, sizeof(*message) + payload_len);
601 /* we convert these to big-endian in write_message() */
602 message->action = action;
603 message->payload_len = payload_len;
609 struct pb_protocol_message *pb_protocol_read_message(void *ctx, int fd)
611 struct pb_protocol_message *message, m;
615 /* use the stack for the initial 8-byte read */
617 rc = read(fd, &m, sizeof(m));
621 m.payload_len = __be32_to_cpu(m.payload_len);
622 m.action = __be32_to_cpu(m.action);
624 if (m.payload_len > PB_PROTOCOL_MAX_PAYLOAD_SIZE) {
625 pb_log("%s: payload too big %u/%u\n", __func__, m.payload_len,
626 PB_PROTOCOL_MAX_PAYLOAD_SIZE);
630 message = talloc_size(ctx, sizeof(m) + m.payload_len);
631 memcpy(message, &m, sizeof(m));
633 for (len = 0; len < m.payload_len;) {
634 rc = read(fd, message->payload + len, m.payload_len - len);
637 talloc_free(message);
638 pb_log("%s: failed (%u): %s\n", __func__, len,
650 int pb_protocol_deserialise_device(struct device *dev,
651 const struct pb_protocol_message *message)
657 len = message->payload_len;
658 pos = message->payload;
660 if (read_string(dev, &pos, &len, &dev->id))
663 if (len < sizeof(enum device_type))
665 dev->type = *(enum device_type *)(pos);
666 pos += sizeof(enum device_type);
667 len -= sizeof(enum device_type);
669 if (read_string(dev, &pos, &len, &dev->name))
672 if (read_string(dev, &pos, &len, &dev->description))
675 if (read_string(dev, &pos, &len, &dev->icon_file))
684 int pb_protocol_deserialise_boot_option(struct boot_option *opt,
685 const struct pb_protocol_message *message)
691 len = message->payload_len;
692 pos = message->payload;
694 if (read_string(opt, &pos, &len, &opt->device_id))
697 if (read_string(opt, &pos, &len, &opt->id))
700 if (read_string(opt, &pos, &len, &opt->name))
703 if (read_string(opt, &pos, &len, &opt->description))
706 if (read_string(opt, &pos, &len, &opt->icon_file))
709 if (read_string(opt, &pos, &len, &opt->boot_image_file))
712 if (read_string(opt, &pos, &len, &opt->initrd_file))
715 if (read_string(opt, &pos, &len, &opt->dtb_file))
718 if (read_string(opt, &pos, &len, &opt->boot_args))
721 if (len < sizeof(bool))
723 opt->is_default = *(bool *)(pos);
731 int pb_protocol_deserialise_boot_command(struct boot_command *cmd,
732 const struct pb_protocol_message *message)
738 len = message->payload_len;
739 pos = message->payload;
741 if (read_string(cmd, &pos, &len, &cmd->option_id))
744 if (read_string(cmd, &pos, &len, &cmd->boot_image_file))
747 if (read_string(cmd, &pos, &len, &cmd->initrd_file))
750 if (read_string(cmd, &pos, &len, &cmd->dtb_file))
753 if (read_string(cmd, &pos, &len, &cmd->boot_args))
762 int pb_protocol_deserialise_boot_status(struct boot_status *status,
763 const struct pb_protocol_message *message)
769 len = message->payload_len;
770 pos = message->payload;
772 /* first up, the type enum... */
773 if (len < sizeof(uint32_t))
776 status->type = __be32_to_cpu(*(uint32_t *)(pos));
778 switch (status->type) {
779 case BOOT_STATUS_ERROR:
780 case BOOT_STATUS_INFO:
786 pos += sizeof(uint32_t);
787 len -= sizeof(uint32_t);
789 /* message and detail strings */
790 if (read_string(status, &pos, &len, &status->message))
793 if (read_string(status, &pos, &len, &status->detail))
796 /* and finally, progress */
797 if (len < sizeof(uint32_t))
800 status->progress = __be32_to_cpu(*(uint32_t *)(pos));
803 if (status->progress > 100)
804 status->progress = 100;
812 int pb_protocol_deserialise_system_info(struct system_info *sysinfo,
813 const struct pb_protocol_message *message)
820 len = message->payload_len;
821 pos = message->payload;
823 /* type and identifier strings */
824 if (read_string(sysinfo, &pos, &len, &sysinfo->type))
827 if (read_string(sysinfo, &pos, &len, &sysinfo->identifier))
830 /* versions strings for openpower platforms */
831 if (read_u32(&pos, &len, &sysinfo->n_current))
833 sysinfo->platform_current = talloc_array(sysinfo, char *,
835 for (i = 0; i < sysinfo->n_current; i++) {
836 if (read_string(sysinfo, &pos, &len, &tmp))
838 sysinfo->platform_current[i] = talloc_strdup(sysinfo, tmp);
841 if (read_u32(&pos, &len, &sysinfo->n_other))
843 sysinfo->platform_other = talloc_array(sysinfo, char *,
845 for (i = 0; i < sysinfo->n_other; i++) {
846 if (read_string(sysinfo, &pos, &len, &tmp))
848 sysinfo->platform_other[i] = talloc_strdup(sysinfo, tmp);
851 /* number of interfaces */
852 if (read_u32(&pos, &len, &sysinfo->n_interfaces))
855 sysinfo->interfaces = talloc_array(sysinfo, struct interface_info *,
856 sysinfo->n_interfaces);
858 for (i = 0; i < sysinfo->n_interfaces; i++) {
859 struct interface_info *if_info = talloc(sysinfo,
860 struct interface_info);
862 if (read_u32(&pos, &len, &if_info->hwaddr_size))
865 if (len < if_info->hwaddr_size)
868 if_info->hwaddr = talloc_memdup(if_info, pos,
869 if_info->hwaddr_size);
870 pos += if_info->hwaddr_size;
871 len -= if_info->hwaddr_size;
873 if (read_string(if_info, &pos, &len, &if_info->name))
876 if_info->link = *(bool *)pos;
877 pos += sizeof(if_info->link);
879 sysinfo->interfaces[i] = if_info;
882 /* number of interfaces */
883 if (read_u32(&pos, &len, &sysinfo->n_blockdevs))
886 sysinfo->blockdevs = talloc_array(sysinfo, struct blockdev_info *,
887 sysinfo->n_blockdevs);
889 for (i = 0; i < sysinfo->n_blockdevs; i++) {
890 struct blockdev_info *bd_info = talloc(sysinfo,
891 struct blockdev_info);
893 if (read_string(bd_info, &pos, &len, &bd_info->name))
896 if (read_string(bd_info, &pos, &len, &bd_info->uuid))
899 if (read_string(bd_info, &pos, &len, &bd_info->mountpoint))
902 sysinfo->blockdevs[i] = bd_info;
905 for (i = 0; i < HWADDR_SIZE; i++) {
907 sysinfo->bmc_mac = talloc_memdup(sysinfo, pos, HWADDR_SIZE);
920 static int pb_protocol_deserialise_config_interface(const char **buf,
921 unsigned int *len, struct interface_config *iface)
925 if (*len < sizeof(iface->hwaddr))
928 memcpy(iface->hwaddr, *buf, sizeof(iface->hwaddr));
929 *buf += sizeof(iface->hwaddr);
930 *len -= sizeof(iface->hwaddr);
932 if (read_u32(buf, len, &tmp))
934 iface->ignore = !!tmp;
939 if (read_u32(buf, len, &iface->method))
942 if (iface->method == CONFIG_METHOD_STATIC) {
943 if (read_string(iface, buf, len, &iface->static_config.address))
946 if (read_string(iface, buf, len, &iface->static_config.gateway))
949 if (read_string(iface, buf, len, &iface->static_config.url))
956 int pb_protocol_deserialise_config(struct config *config,
957 const struct pb_protocol_message *message)
959 unsigned int len, i, tmp;
964 len = message->payload_len;
965 pos = message->payload;
967 if (read_u32(&pos, &len, &tmp))
969 config->autoboot_enabled = !!tmp;
971 if (read_u32(&pos, &len, &config->autoboot_timeout_sec))
974 if (read_u32(&pos, &len, &tmp))
976 config->safe_mode = !!tmp;
978 if (read_u32(&pos, &len, &config->network.n_interfaces))
981 config->network.interfaces = talloc_array(config,
982 struct interface_config *, config->network.n_interfaces);
984 for (i = 0; i < config->network.n_interfaces; i++) {
985 struct interface_config *iface = talloc_zero(
986 config->network.interfaces,
987 struct interface_config);
988 if (pb_protocol_deserialise_config_interface(&pos, &len, iface))
990 config->network.interfaces[i] = iface;
993 if (read_u32(&pos, &len, &config->network.n_dns_servers))
995 config->network.dns_servers = talloc_array(config, const char *,
996 config->network.n_dns_servers);
998 for (i = 0; i < config->network.n_dns_servers; i++) {
999 if (read_string(config->network.dns_servers, &pos, &len, &str))
1001 config->network.dns_servers[i] = str;
1004 if (read_u32(&pos, &len, &config->n_autoboot_opts))
1006 config->autoboot_opts = talloc_array(config, struct autoboot_option,
1007 config->n_autoboot_opts);
1009 for (i = 0; i < config->n_autoboot_opts; i++) {
1010 if (read_u32(&pos, &len, &tmp))
1012 config->autoboot_opts[i].boot_type = (int)tmp;
1013 if (config->autoboot_opts[i].boot_type == BOOT_DEVICE_TYPE) {
1014 if (read_u32(&pos, &len, &tmp))
1016 config->autoboot_opts[i].type = tmp;
1018 if (read_string(config, &pos, &len, &str))
1020 config->autoboot_opts[i].uuid = str;
1024 if (read_u32(&pos, &len, &config->ipmi_bootdev))
1026 if (read_u32(&pos, &len, &tmp))
1028 config->ipmi_bootdev_persistent = !!tmp;
1030 if (read_u32(&pos, &len, &tmp))
1032 config->allow_writes = !!tmp;
1034 if (read_string(config, &pos, &len, &str))