11 #include <asm/byteorder.h>
13 #include <file/file.h>
14 #include <talloc/talloc.h>
15 #include <list/list.h>
17 #include <process/process.h>
18 #include <types/types.h>
25 static const char *partition = "common";
26 static const char *sysparams_dir = "/sys/firmware/opal/sysparams/";
27 static const char *devtree_dir = "/proc/device-tree/";
28 static const int ipmi_timeout = 5000; /* milliseconds. */
34 struct list_item list;
37 struct platform_powerpc {
40 bool ipmi_bootdev_persistent;
41 int (*get_ipmi_bootdev)(
42 struct platform_powerpc *platform,
43 uint8_t *bootdev, bool *persistent);
44 int (*clear_ipmi_bootdev)(
45 struct platform_powerpc *platform,
47 int (*set_os_boot_sensor)(
48 struct platform_powerpc *platform);
49 void (*get_platform_versions)(struct system_info *info);
52 static const char *known_params[] = {
60 "petitboot,snapshots?",
62 "petitboot,http_proxy",
63 "petitboot,https_proxy",
67 #define to_platform_powerpc(p) \
68 (struct platform_powerpc *)(p->platform_data)
70 static bool param_is_known(const char *param, unsigned int len)
72 const char *known_param;
75 for (i = 0; known_params[i]; i++) {
76 known_param = known_params[i];
77 if (len == strlen(known_param) &&
78 !strncmp(param, known_param, len))
85 static int parse_nvram_params(struct platform_powerpc *platform,
88 char *pos, *name, *value;
89 unsigned int paramlen;
92 /* discard 2 header lines:
99 for (i = 0; i < len; i++) {
107 fprintf(stderr, "failure parsing nvram output\n");
111 for (pos = buf + i; pos < buf + len; pos += paramlen + 1) {
112 unsigned int namelen;
116 newline = strchr(pos, '\n');
122 paramlen = strlen(pos);
125 value = strchr(pos, '=');
129 namelen = value - name;
133 if (!param_is_known(name, namelen))
138 param = talloc(platform, struct param);
139 param->modified = false;
140 param->name = talloc_strndup(platform, name, namelen);
141 param->value = talloc_strdup(platform, value);
142 list_add(&platform->params, ¶m->list);
148 static int parse_nvram(struct platform_powerpc *platform)
150 struct process *process;
155 argv[1] = "--print-config";
156 argv[2] = "--partition";
160 process = process_create(platform);
161 process->path = "nvram";
162 process->argv = argv;
163 process->keep_stdout = true;
165 rc = process_run_sync(process);
167 if (rc || !process_exit_ok(process)) {
168 fprintf(stderr, "nvram process returned "
169 "non-zero exit status\n");
172 rc = parse_nvram_params(platform, process->stdout_buf,
173 process->stdout_len);
176 process_release(process);
180 static int write_nvram(struct platform_powerpc *platform)
182 struct process *process;
188 argv[1] = "--update-config";
190 argv[3] = "--partition";
194 process = process_create(platform);
195 process->path = "nvram";
196 process->argv = argv;
198 list_for_each_entry(&platform->params, param, list) {
201 if (!param->modified)
204 paramstr = talloc_asprintf(platform, "%s=%s",
205 param->name, param->value);
208 rc = process_run_sync(process);
210 talloc_free(paramstr);
212 if (rc || !process_exit_ok(process)) {
214 pb_log("nvram update process returned "
215 "non-zero exit status\n");
220 process_release(process);
224 static const char *get_param(struct platform_powerpc *platform,
229 list_for_each_entry(&platform->params, param, list)
230 if (!strcmp(param->name, name))
235 static void set_param(struct platform_powerpc *platform, const char *name,
240 list_for_each_entry(&platform->params, param, list) {
241 if (strcmp(param->name, name))
244 if (!strcmp(param->value, value))
247 talloc_free(param->value);
248 param->value = talloc_strdup(param, value);
249 param->modified = true;
254 param = talloc(platform, struct param);
255 param->modified = true;
256 param->name = talloc_strdup(platform, name);
257 param->value = talloc_strdup(platform, value);
258 list_add(&platform->params, ¶m->list);
261 static int parse_hwaddr(struct interface_config *ifconf, char *str)
265 if (strlen(str) != strlen("00:00:00:00:00:00"))
268 for (i = 0; i < HWADDR_SIZE; i++) {
272 byte[0] = str[i * 3 + 0];
273 byte[1] = str[i * 3 + 1];
276 x = strtoul(byte, &endp, 16);
277 if (endp != byte + 2)
280 ifconf->hwaddr[i] = x & 0xff;
286 static int parse_one_interface_config(struct config *config,
289 struct interface_config *ifconf;
292 ifconf = talloc_zero(config, struct interface_config);
294 if (!confstr || !strlen(confstr))
297 /* first token should be the mac address */
298 tok = strtok_r(confstr, ",", &saveptr);
302 if (parse_hwaddr(ifconf, tok))
305 /* second token is the method */
306 tok = strtok_r(NULL, ",", &saveptr);
307 if (!tok || !strlen(tok) || !strcmp(tok, "ignore")) {
308 ifconf->ignore = true;
310 } else if (!strcmp(tok, "dhcp")) {
311 ifconf->method = CONFIG_METHOD_DHCP;
313 } else if (!strcmp(tok, "static")) {
314 ifconf->method = CONFIG_METHOD_STATIC;
316 /* ip/mask, [optional] gateway, [optional] url */
317 tok = strtok_r(NULL, ",", &saveptr);
320 ifconf->static_config.address =
321 talloc_strdup(ifconf, tok);
323 tok = strtok_r(NULL, ",", &saveptr);
325 ifconf->static_config.gateway =
326 talloc_strdup(ifconf, tok);
329 tok = strtok_r(NULL, ",", &saveptr);
331 ifconf->static_config.url =
332 talloc_strdup(ifconf, tok);
336 pb_log("Unknown network configuration method %s\n", tok);
340 config->network.interfaces = talloc_realloc(config,
341 config->network.interfaces,
342 struct interface_config *,
343 ++config->network.n_interfaces);
345 config->network.interfaces[config->network.n_interfaces - 1] = ifconf;
353 static int parse_one_dns_config(struct config *config,
356 char *tok, *saveptr = NULL;
358 for (tok = strtok_r(confstr, ",", &saveptr); tok;
359 tok = strtok_r(NULL, ",", &saveptr)) {
361 char *server = talloc_strdup(config, tok);
363 config->network.dns_servers = talloc_realloc(config,
364 config->network.dns_servers, const char *,
365 ++config->network.n_dns_servers);
367 config->network.dns_servers[config->network.n_dns_servers - 1]
374 static void populate_network_config(struct platform_powerpc *platform,
375 struct config *config)
377 char *val, *saveptr = NULL;
381 cval = get_param(platform, "petitboot,network");
382 if (!cval || !strlen(cval))
385 val = talloc_strdup(config, cval);
390 tok = strtok_r(i == 0 ? val : NULL, " ", &saveptr);
394 if (!strncasecmp(tok, "dns,", strlen("dns,")))
395 parse_one_dns_config(config, tok + strlen("dns,"));
397 parse_one_interface_config(config, tok);
404 static int read_bootdev(void *ctx, char **pos, struct autoboot_option *opt)
406 char *delim = strchr(*pos, ' ');
407 int len, prefix = 0, rc = -1;
408 enum device_type type;
410 if (!strncmp(*pos, "uuid:", strlen("uuid:"))) {
411 prefix = strlen("uuid:");
412 opt->boot_type = BOOT_DEVICE_UUID;
414 } else if (!strncmp(*pos, "mac:", strlen("mac:"))) {
415 prefix = strlen("mac:");
416 opt->boot_type = BOOT_DEVICE_UUID;
419 type = find_device_type(*pos);
420 if (type != DEVICE_TYPE_UNKNOWN) {
422 opt->boot_type = BOOT_DEVICE_TYPE;
427 if (opt->boot_type == BOOT_DEVICE_UUID) {
429 len = (int)(delim - *pos) - prefix;
433 opt->uuid = talloc_strndup(ctx, *pos + prefix, len);
436 /* Always advance pointer to next option or end */
440 *pos += strlen(*pos);
445 static void populate_bootdev_config(struct platform_powerpc *platform,
446 struct config *config)
448 struct autoboot_option *opt, *new = NULL;
450 unsigned int n_new = 0;
453 /* Check for ordered bootdevs */
454 val = get_param(platform, "petitboot,bootdevs");
455 if (!val || !strlen(val)) {
458 pos = talloc_strdup(config, val);
459 end = strchr(pos, '\0');
462 while (pos && pos < end) {
463 opt = talloc(config, struct autoboot_option);
465 if (read_bootdev(config, &pos, opt)) {
466 pb_log("bootdev config is in an unknown format "
467 "(expected uuid:... or mac:...)\n");
472 new = talloc_realloc(config, new, struct autoboot_option,
481 /* If autoboot has been disabled, clear the default options */
482 if (!config->autoboot_enabled) {
483 talloc_free(config->autoboot_opts);
484 config->n_autoboot_opts = 0;
489 talloc_free(config->autoboot_opts);
490 config->autoboot_opts = new;
491 config->n_autoboot_opts = n_new;
494 static void set_proxy_variables(struct config *config)
496 if (config->http_proxy)
497 setenv("http_proxy", config->http_proxy, 1);
499 unsetenv("http_proxy");
501 if (config->https_proxy)
502 setenv("https_proxy", config->https_proxy, 1);
504 unsetenv("https_proxy");
507 static void populate_config(struct platform_powerpc *platform,
508 struct config *config)
512 unsigned long timeout;
514 /* if the "auto-boot?' property is present and "false", disable auto
516 val = get_param(platform, "auto-boot?");
517 config->autoboot_enabled = !val || strcmp(val, "false");
519 val = get_param(platform, "petitboot,timeout");
521 timeout = strtoul(val, &end, 10);
523 if (timeout >= INT_MAX)
525 config->autoboot_timeout_sec = (int)timeout;
529 val = get_param(platform, "petitboot,language");
530 config->lang = val ? talloc_strdup(config, val) : NULL;
532 populate_network_config(platform, config);
534 populate_bootdev_config(platform, config);
536 if (!config->debug) {
537 val = get_param(platform, "petitboot,debug?");
538 config->debug = val && !strcmp(val, "true");
541 val = get_param(platform, "petitboot,write?");
543 config->allow_writes = !strcmp(val, "true");
545 val = get_param(platform, "petitboot,snapshots?");
547 config->disable_snapshots = !strcmp(val, "false");
549 val = get_param(platform, "petitboot,console");
551 config->boot_console = talloc_strdup(config, val);
552 /* If a full path is already set we don't want to override it */
553 config->manual_console = config->boot_console &&
554 !strchr(config->boot_console, '[');
556 val = get_param(platform, "petitboot,http_proxy");
558 config->http_proxy = talloc_strdup(config, val);
559 val = get_param(platform, "petitboot,https_proxy");
561 config->https_proxy = talloc_strdup(config, val);
562 set_proxy_variables(config);
565 static char *iface_config_str(void *ctx, struct interface_config *config)
569 /* todo: HWADDR size is hardcoded as 6, but we may need to handle
570 * different hardware address formats */
571 str = talloc_asprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x,",
572 config->hwaddr[0], config->hwaddr[1],
573 config->hwaddr[2], config->hwaddr[3],
574 config->hwaddr[4], config->hwaddr[5]);
576 if (config->ignore) {
577 str = talloc_asprintf_append(str, "ignore");
579 } else if (config->method == CONFIG_METHOD_DHCP) {
580 str = talloc_asprintf_append(str, "dhcp");
582 } else if (config->method == CONFIG_METHOD_STATIC) {
583 str = talloc_asprintf_append(str, "static,%s%s%s%s%s",
584 config->static_config.address,
585 config->static_config.gateway ? "," : "",
586 config->static_config.gateway ?: "",
587 config->static_config.url ? "," : "",
588 config->static_config.url ?: "");
593 static char *dns_config_str(void *ctx, const char **dns_servers, int n)
598 str = talloc_strdup(ctx, "dns,");
599 for (i = 0; i < n; i++) {
600 str = talloc_asprintf_append(str, "%s%s",
608 static void update_string_config(struct platform_powerpc *platform,
609 const char *name, const char *value)
613 cur = get_param(platform, name);
615 /* don't set an empty parameter if it doesn't already exist */
616 if (!cur && !strlen(value))
619 set_param(platform, name, value);
622 static void update_network_config(struct platform_powerpc *platform,
623 struct config *config)
629 * Don't store IPMI overrides to NVRAM. If this was a persistent
630 * override it was already stored in NVRAM by
631 * get_ipmi_network_override()
633 if (config->network.n_interfaces &&
634 config->network.interfaces[0]->override)
637 val = talloc_strdup(platform, "");
639 for (i = 0; i < config->network.n_interfaces; i++) {
640 char *iface_str = iface_config_str(platform,
641 config->network.interfaces[i]);
642 val = talloc_asprintf_append(val, "%s%s",
643 *val == '\0' ? "" : " ", iface_str);
644 talloc_free(iface_str);
647 if (config->network.n_dns_servers) {
648 char *dns_str = dns_config_str(platform,
649 config->network.dns_servers,
650 config->network.n_dns_servers);
651 val = talloc_asprintf_append(val, "%s%s",
652 *val == '\0' ? "" : " ", dns_str);
653 talloc_free(dns_str);
656 update_string_config(platform, "petitboot,network", val);
661 static void update_bootdev_config(struct platform_powerpc *platform,
662 struct config *config)
664 char *val = NULL, *boot_str = NULL, *tmp = NULL;
665 struct autoboot_option *opt;
666 const char delim = ' ';
669 if (!config->n_autoboot_opts)
672 for (i = 0; i < config->n_autoboot_opts; i++) {
673 opt = &config->autoboot_opts[i];
674 switch (opt->boot_type) {
675 case BOOT_DEVICE_TYPE:
676 boot_str = talloc_asprintf(config, "%s%c",
677 device_type_name(opt->type),
680 case BOOT_DEVICE_UUID:
681 boot_str = talloc_asprintf(config, "uuid:%s%c",
685 tmp = val = talloc_asprintf_append(val, "%s", boot_str);
688 update_string_config(platform, "petitboot,bootdevs", val);
691 talloc_free(boot_str);
694 static int update_config(struct platform_powerpc *platform,
695 struct config *config, struct config *defaults)
700 if (config->autoboot_enabled == defaults->autoboot_enabled)
703 val = config->autoboot_enabled ? "true" : "false";
704 update_string_config(platform, "auto-boot?", val);
706 if (config->autoboot_timeout_sec == defaults->autoboot_timeout_sec)
709 val = tmp = talloc_asprintf(platform, "%d",
710 config->autoboot_timeout_sec);
712 if (config->ipmi_bootdev == IPMI_BOOTDEV_INVALID &&
713 platform->clear_ipmi_bootdev) {
714 platform->clear_ipmi_bootdev(platform,
715 config->ipmi_bootdev_persistent);
716 config->ipmi_bootdev = IPMI_BOOTDEV_NONE;
717 config->ipmi_bootdev_persistent = false;
720 update_string_config(platform, "petitboot,timeout", val);
724 val = config->lang ?: "";
725 update_string_config(platform, "petitboot,language", val);
727 if (config->allow_writes == defaults->allow_writes)
730 val = config->allow_writes ? "true" : "false";
731 update_string_config(platform, "petitboot,write?", val);
733 if (!config->manual_console) {
734 val = config->boot_console ?: "";
735 update_string_config(platform, "petitboot,console", val);
738 val = config->http_proxy ?: "";
739 update_string_config(platform, "petitboot,http_proxy", val);
740 val = config->https_proxy ?: "";
741 update_string_config(platform, "petitboot,https_proxy", val);
742 set_proxy_variables(config);
744 update_network_config(platform, config);
746 update_bootdev_config(platform, config);
748 return write_nvram(platform);
751 static void set_ipmi_bootdev(struct config *config, enum ipmi_bootdev bootdev,
754 config->ipmi_bootdev = bootdev;
755 config->ipmi_bootdev_persistent = persistent;
758 case IPMI_BOOTDEV_NONE:
759 case IPMI_BOOTDEV_DISK:
760 case IPMI_BOOTDEV_NETWORK:
761 case IPMI_BOOTDEV_CDROM:
764 case IPMI_BOOTDEV_SETUP:
765 config->autoboot_enabled = false;
767 case IPMI_BOOTDEV_SAFE:
768 config->autoboot_enabled = false;
769 config->safe_mode = true;
774 static int read_bootdev_sysparam(const char *name, uint8_t *val)
780 assert(strlen(sysparams_dir) + strlen(name) < sizeof(path));
781 snprintf(path, sizeof(path), "%s%s", sysparams_dir, name);
783 fd = open(path, O_RDONLY);
785 pb_debug("powerpc: can't access sysparam %s\n",
790 rc = read(fd, buf, sizeof(buf));
794 /* bootdev definitions should only be one byte in size */
796 pb_debug("powerpc: sysparam %s read returned %d\n",
801 pb_debug("powerpc: sysparam %s: 0x%02x\n", name, buf[0]);
803 if (!ipmi_bootdev_is_valid(buf[0]))
810 static int write_bootdev_sysparam(const char *name, uint8_t val)
815 assert(strlen(sysparams_dir) + strlen(name) < sizeof(path));
816 snprintf(path, sizeof(path), "%s%s", sysparams_dir, name);
818 fd = open(path, O_WRONLY);
820 pb_debug("powerpc: can't access sysparam %s for writing\n",
827 rc = write(fd, &val, sizeof(val));
828 if (rc == sizeof(val)) {
833 if (rc <= 0 && errno != EINTR) {
834 pb_log("powerpc: error updating sysparam %s: %s",
835 name, strerror(errno));
844 pb_debug("powerpc: set sysparam %s: 0x%02x\n", name, val);
849 static int clear_ipmi_bootdev_sysparams(
850 struct platform_powerpc *platform __attribute__((unused)),
854 /* invalidate default-boot-device setting */
855 write_bootdev_sysparam("default-boot-device", 0xff);
857 /* invalidate next-boot-device setting */
858 write_bootdev_sysparam("next-boot-device", 0xff);
863 static int get_ipmi_bootdev_sysparams(
864 struct platform_powerpc *platform __attribute__((unused)),
865 uint8_t *bootdev, bool *persistent)
867 uint8_t next_bootdev, default_bootdev;
868 bool next_valid, default_valid;
871 rc = read_bootdev_sysparam("next-boot-device", &next_bootdev);
872 next_valid = rc == 0;
874 rc = read_bootdev_sysparam("default-boot-device", &default_bootdev);
875 default_valid = rc == 0;
877 /* nothing valid? no need to change the config */
878 if (!next_valid && !default_valid)
881 *persistent = !next_valid;
882 *bootdev = next_valid ? next_bootdev : default_bootdev;
886 static int clear_ipmi_bootdev_ipmi(struct platform_powerpc *platform,
887 bool persistent __attribute__((unused)))
892 0x05, /* parameter selector: boot flags */
893 0x80, /* data 1: valid */
894 0x00, /* data 2: bootdev: no override */
895 0x00, /* data 3: system defaults */
896 0x00, /* data 4: no request for shared mode, mux defaults */
897 0x00, /* data 5: no instance request */
900 resp_len = sizeof(resp);
902 ipmi_transaction(platform->ipmi, IPMI_NETFN_CHASSIS,
903 IPMI_CMD_CHASSIS_SET_SYSTEM_BOOT_OPTIONS,
910 static int get_ipmi_bootdev_ipmi(struct platform_powerpc *platform,
911 uint8_t *bootdev, bool *persistent)
917 0x05, /* parameter selector: boot flags */
918 0x00, /* no set selector */
919 0x00, /* no block selector */
922 resp_len = sizeof(resp);
923 rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_CHASSIS,
924 IPMI_CMD_CHASSIS_GET_SYSTEM_BOOT_OPTIONS,
929 pb_log("platform: error reading IPMI boot options\n");
933 if (resp_len != sizeof(resp)) {
934 pb_log("platform: unexpected length (%d) in "
935 "boot options response\n", resp_len);
939 pb_debug("IPMI get_bootdev response:\n");
940 for (int i = 0; i < resp_len; i++)
941 pb_debug("%x ", resp[i]);
945 pb_log("platform: non-zero completion code %d from IPMI req\n",
950 /* check for correct parameter version */
951 if ((resp[1] & 0xf) != 0x1) {
952 pb_log("platform: unexpected version (0x%x) in "
953 "boot options response\n", resp[0]);
957 /* check for valid paramters */
958 if (resp[2] & 0x80) {
959 pb_debug("platform: boot options are invalid/locked\n");
965 /* check for valid flags */
966 if (!(resp[3] & 0x80)) {
967 pb_debug("platform: boot flags are invalid, ignoring\n");
971 *persistent = resp[3] & 0x40;
972 *bootdev = (resp[4] >> 2) & 0x0f;
976 static int set_ipmi_os_boot_sensor(struct platform_powerpc *platform)
982 0x00, /* sensor number: os boot */
983 0xA9, /* operation: set everything */
984 0x00, /* sensor reading: none */
985 0x40, /* assertion mask lsb: set state 6 */
986 0x00, /* assertion mask msb: none */
987 0x00, /* deassertion mask lsb: none */
988 0x00, /* deassertion mask msb: none */
989 0x00, /* event data 1: none */
990 0x00, /* event data 2: none */
991 0x00, /* event data 3: none */
994 sensor_number = get_ipmi_sensor(platform, IPMI_SENSOR_ID_OS_BOOT);
995 if (sensor_number < 0) {
996 pb_log("Couldn't find OS boot sensor in device tree\n");
1000 req[0] = sensor_number;
1002 resp_len = sizeof(resp);
1004 ipmi_transaction(platform->ipmi, IPMI_NETFN_SE,
1005 IPMI_CMD_SENSOR_SET,
1008 ipmi_timeout); return 0;
1013 static void get_ipmi_bmc_mac(struct platform *p, uint8_t *buf)
1015 struct platform_powerpc *platform = p->platform_data;
1016 uint16_t resp_len = 8;
1018 uint8_t req[] = { 0x1, 0x5, 0x0, 0x0 };
1021 rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_TRANSPORT,
1022 IPMI_CMD_TRANSPORT_GET_LAN_PARAMS,
1027 pb_debug("BMC MAC resp [%d][%d]:\n", rc, resp_len);
1029 if (rc == 0 && resp_len > 0) {
1030 for (i = 2; i < resp_len; i++) {
1031 pb_debug(" %x", resp[i]);
1032 buf[i - 2] = resp[i];
1040 * Retrieve info from the "Get Device ID" IPMI commands.
1041 * See Chapter 20.1 in the IPMIv2 specification.
1043 static void get_ipmi_bmc_versions(struct platform *p, struct system_info *info)
1045 struct platform_powerpc *platform = p->platform_data;
1046 uint16_t resp_len = 16;
1047 uint8_t resp[16], bcd;
1048 uint32_t aux_version;
1051 /* Retrieve info from current side */
1052 rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_APP,
1053 IPMI_CMD_APP_GET_DEVICE_ID,
1058 pb_debug("BMC version resp [%d][%d]:\n", rc, resp_len);
1060 for (i = 0; i < resp_len; i++) {
1061 pb_debug(" %x", resp[i]);
1066 if (rc == 0 && resp_len == 16) {
1067 info->bmc_current = talloc_array(info, char *, 4);
1068 info->n_bmc_current = 4;
1070 info->bmc_current[0] = talloc_asprintf(info, "Device ID: 0x%x",
1072 info->bmc_current[1] = talloc_asprintf(info, "Device Rev: 0x%x",
1074 bcd = resp[4] & 0x0f;
1075 bcd += 10 * (resp[4] >> 4);
1076 memcpy(&aux_version, &resp[12], sizeof(aux_version));
1077 info->bmc_current[2] = talloc_asprintf(info,
1078 "Firmware version: %u.%02u.%05u",
1079 resp[3], bcd, aux_version);
1080 bcd = resp[5] & 0x0f;
1081 bcd += 10 * (resp[5] >> 4);
1082 info->bmc_current[3] = talloc_asprintf(info, "IPMI version: %u",
1085 pb_log("Failed to retrieve Device ID from IPMI\n");
1087 /* Retrieve info from golden side */
1088 memset(resp, 0, sizeof(resp));
1090 rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_AMI,
1091 IPMI_CMD_APP_GET_DEVICE_ID_GOLDEN,
1096 pb_debug("BMC golden resp [%d][%d]:\n", rc, resp_len);
1098 for (i = 0; i < resp_len; i++) {
1099 pb_debug(" %x", resp[i]);
1104 if (rc == 0 && resp_len == 16) {
1105 info->bmc_golden = talloc_array(info, char *, 4);
1106 info->n_bmc_golden = 4;
1108 info->bmc_golden[0] = talloc_asprintf(info, "Device ID: 0x%x",
1110 info->bmc_golden[1] = talloc_asprintf(info, "Device Rev: 0x%x",
1112 bcd = resp[4] & 0x0f;
1113 bcd += 10 * (resp[4] >> 4);
1114 memcpy(&aux_version, &resp[12], sizeof(aux_version));
1115 info->bmc_golden[2] = talloc_asprintf(info,
1116 "Firmware version: %u.%02u.%u",
1117 resp[3], bcd, aux_version);
1118 bcd = resp[5] & 0x0f;
1119 bcd += 10 * (resp[5] >> 4);
1120 info->bmc_golden[3] = talloc_asprintf(info, "IPMI version: %u",
1123 pb_log("Failed to retrieve Golden Device ID from IPMI\n");
1126 static void get_ipmi_network_override(struct platform_powerpc *platform,
1127 struct config *config)
1129 uint16_t min_len = 12, resp_len = 53, version;
1130 const uint32_t magic_value = 0x21706221;
1131 uint8_t resp[resp_len];
1136 0x61, /* parameter selector: OEM section (network) */
1137 0x00, /* no set selector */
1138 0x00, /* no block selector */
1141 rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_CHASSIS,
1142 IPMI_CMD_CHASSIS_GET_SYSTEM_BOOT_OPTIONS,
1147 pb_debug("IPMI net override resp [%d][%d]:\n", rc, resp_len);
1149 for (i = 0; i < resp_len; i++) {
1150 pb_debug(" %02x", resp[i]);
1151 if (i && (i + 1) % 16 == 0 && i != resp_len - 1)
1153 else if (i && (i + 1) % 8 == 0)
1160 pb_debug("IPMI network config option unavailable\n");
1164 if (resp_len < min_len) {
1165 pb_debug("IPMI net response too small\n");
1170 pb_log("platform: non-zero completion code %d from IPMI network req\n",
1175 /* Check for correct parameter version */
1176 if ((resp[1] & 0xf) != 0x1) {
1177 pb_log("platform: unexpected version (0x%x) in network override response\n",
1182 /* Check that the parameters are valid */
1183 if (resp[2] & 0x80) {
1184 pb_debug("platform: network override is invalid/locked\n");
1188 /* Check for valid parameters in the boot flags section */
1189 if (!(resp[3] & 0x80)) {
1190 pb_debug("platform: network override valid flag not set\n");
1193 /* Read the persistent flag; if it is set we need to save this config */
1194 persistent = resp[3] & 0x40;
1196 pb_debug("platform: network override is persistent\n");
1198 /* Check 4-byte cookie value */
1200 memcpy(&cookie, &resp[i], sizeof(cookie));
1201 cookie = __be32_to_cpu(cookie);
1202 if (cookie != magic_value) {
1203 pb_log("%s: Incorrect cookie %x\n", __func__, cookie);
1206 i += sizeof(cookie);
1208 /* Check 2-byte version number */
1209 memcpy(&version, &resp[i], sizeof(version));
1210 version = __be16_to_cpu(version);
1211 i += sizeof(version);
1213 pb_debug("Unexpected version: %u\n", version);
1217 /* Interpret the rest of the interface config */
1218 rc = parse_ipmi_interface_override(config, &resp[i], resp_len - i);
1220 if (!rc && persistent) {
1221 /* Write this new config to NVRAM */
1222 update_network_config(platform, config);
1223 rc = write_nvram(platform);
1225 pb_log("platform: Failed to save persistent interface override\n");
1229 static void get_active_consoles(struct config *config)
1232 char *fsp_prop = NULL;
1234 config->n_consoles = 2;
1235 config->consoles = talloc_array(config, char *, config->n_consoles);
1236 if (!config->consoles)
1239 config->consoles[0] = talloc_asprintf(config->consoles,
1240 "/dev/hvc0 [IPMI / Serial]");
1241 config->consoles[1] = talloc_asprintf(config->consoles,
1244 fsp_prop = talloc_asprintf(config, "%sfsps", devtree_dir);
1245 if (stat(fsp_prop, &sbuf) == 0) {
1246 /* FSP based machines also have a separate serial console */
1247 config->consoles = talloc_realloc(config, config->consoles,
1248 char *, config->n_consoles + 1);
1249 if (!config->consoles)
1251 config->consoles[config->n_consoles++] = talloc_asprintf(
1253 "/dev/hvc1 [Serial]");
1258 config->n_consoles = 0;
1259 pb_log("Failed to allocate memory for consoles\n");
1262 static int load_config(struct platform *p, struct config *config)
1264 struct platform_powerpc *platform = to_platform_powerpc(p);
1267 rc = parse_nvram(platform);
1271 populate_config(platform, config);
1273 if (platform->get_ipmi_bootdev) {
1274 bool bootdev_persistent;
1275 uint8_t bootdev = IPMI_BOOTDEV_INVALID;
1276 rc = platform->get_ipmi_bootdev(platform, &bootdev,
1277 &bootdev_persistent);
1278 if (!rc && ipmi_bootdev_is_valid(bootdev)) {
1279 set_ipmi_bootdev(config, bootdev, bootdev_persistent);
1284 get_ipmi_network_override(platform, config);
1286 get_active_consoles(config);
1291 static int save_config(struct platform *p, struct config *config)
1293 struct platform_powerpc *platform = to_platform_powerpc(p);
1294 struct config *defaults;
1297 defaults = talloc_zero(platform, struct config);
1298 config_set_defaults(defaults);
1300 rc = update_config(platform, config, defaults);
1302 talloc_free(defaults);
1306 static void pre_boot(struct platform *p, const struct config *config)
1308 struct platform_powerpc *platform = to_platform_powerpc(p);
1310 if (!config->ipmi_bootdev_persistent && platform->clear_ipmi_bootdev)
1311 platform->clear_ipmi_bootdev(platform, false);
1313 if (platform->set_os_boot_sensor)
1314 platform->set_os_boot_sensor(platform);
1317 static int get_sysinfo(struct platform *p, struct system_info *sysinfo)
1319 struct platform_powerpc *platform = p->platform_data;
1320 char *buf, *filename;
1323 filename = talloc_asprintf(platform, "%smodel", devtree_dir);
1324 rc = read_file(platform, filename, &buf, &len);
1326 sysinfo->type = talloc_steal(sysinfo, buf);
1327 talloc_free(filename);
1329 filename = talloc_asprintf(platform, "%ssystem-id", devtree_dir);
1330 rc = read_file(platform, filename, &buf, &len);
1332 sysinfo->identifier = talloc_steal(sysinfo, buf);
1333 talloc_free(filename);
1335 sysinfo->bmc_mac = talloc_zero_size(sysinfo, HWADDR_SIZE);
1337 get_ipmi_bmc_mac(p, sysinfo->bmc_mac);
1340 get_ipmi_bmc_versions(p, sysinfo);
1342 if (platform->get_platform_versions)
1343 platform->get_platform_versions(sysinfo);
1348 static bool probe(struct platform *p, void *ctx)
1350 struct platform_powerpc *platform;
1351 struct stat statbuf;
1355 /* we need a device tree */
1356 rc = stat("/proc/device-tree", &statbuf);
1360 if (!S_ISDIR(statbuf.st_mode))
1363 platform = talloc_zero(ctx, struct platform_powerpc);
1364 list_init(&platform->params);
1366 p->platform_data = platform;
1368 bmc_present = stat("/proc/device-tree/bmc", &statbuf) == 0;
1370 if (ipmi_present() && bmc_present) {
1371 pb_debug("platform: using direct IPMI for IPMI paramters\n");
1372 platform->ipmi = ipmi_open(platform);
1373 platform->get_ipmi_bootdev = get_ipmi_bootdev_ipmi;
1374 platform->clear_ipmi_bootdev = clear_ipmi_bootdev_ipmi;
1375 platform->set_os_boot_sensor = set_ipmi_os_boot_sensor;
1376 } else if (!stat(sysparams_dir, &statbuf)) {
1377 pb_debug("platform: using sysparams for IPMI paramters\n");
1378 platform->get_ipmi_bootdev = get_ipmi_bootdev_sysparams;
1379 platform->clear_ipmi_bootdev = clear_ipmi_bootdev_sysparams;
1382 pb_log("platform: no IPMI parameter support\n");
1386 platform->get_platform_versions = hostboot_load_versions;
1392 static struct platform platform_powerpc = {
1394 .dhcp_arch_id = 0x000e,
1396 .load_config = load_config,
1397 .save_config = save_config,
1398 .pre_boot = pre_boot,
1399 .get_sysinfo = get_sysinfo,
1402 register_platform(platform_powerpc);