]> git.ozlabs.org Git - petitboot/blobdiff - discover/platform-powerpc.c
discover: Move generic config routines to platform
[petitboot] / discover / platform-powerpc.c
index 5abc4d7059daa24babceed82de8115ccf49763d3..3c1ffb98d4d724613e55351180911dd559eae2d7 100644 (file)
@@ -2,12 +2,12 @@
 #include <assert.h>
 #include <string.h>
 #include <stdlib.h>
-#include <limits.h>
 #include <errno.h>
+#include <fcntl.h>
 #include <sys/types.h>
 #include <sys/wait.h>
-#include <sys/fcntl.h>
 #include <sys/stat.h>
+#include <asm/byteorder.h>
 
 #include <file/file.h>
 #include <talloc/talloc.h>
@@ -15,6 +15,7 @@
 #include <log/log.h>
 #include <process/process.h>
 
+#include "hostboot.h"
 #include "platform.h"
 #include "ipmi.h"
 #include "dt.h"
 static const char *partition = "common";
 static const char *sysparams_dir = "/sys/firmware/opal/sysparams/";
 static const char *devtree_dir = "/proc/device-tree/";
-static const int ipmi_timeout = 5000; /* milliseconds. */
-
-struct param {
-       char                    *name;
-       char                    *value;
-       bool                    modified;
-       struct list_item        list;
-};
 
 struct platform_powerpc {
-       struct list     params;
+       struct param_list params;
        struct ipmi     *ipmi;
        bool            ipmi_bootdev_persistent;
        int             (*get_ipmi_bootdev)(
@@ -43,42 +36,12 @@ struct platform_powerpc {
                                bool persistent);
        int             (*set_os_boot_sensor)(
                                struct platform_powerpc *platform);
-};
-
-static const char *known_params[] = {
-       "auto-boot?",
-       "petitboot,network",
-       "petitboot,timeout",
-       "petitboot,bootdev",
-       "petitboot,bootdevs",
-       "petitboot,language",
-       "petitboot,debug?",
-       "petitboot,write?",
-       "petitboot,snapshots?",
-       NULL,
+       void            (*get_platform_versions)(struct system_info *info);
 };
 
 #define to_platform_powerpc(p) \
        (struct platform_powerpc *)(p->platform_data)
 
-/* a partition max a max size of 64k * 16bytes = 1M */
-static const int max_partition_size = 64 * 1024 * 16;
-
-static bool param_is_known(const char *param, unsigned int len)
-{
-       const char *known_param;
-       unsigned int i;
-
-       for (i = 0; known_params[i]; i++) {
-               known_param = known_params[i];
-               if (len == strlen(known_param) &&
-                               !strncmp(param, known_param, len))
-                       return true;
-       }
-
-       return false;
-}
-
 static int parse_nvram_params(struct platform_powerpc *platform,
                char *buf, int len)
 {
@@ -107,7 +70,6 @@ static int parse_nvram_params(struct platform_powerpc *platform,
 
        for (pos = buf + i; pos < buf + len; pos += paramlen + 1) {
                unsigned int namelen;
-               struct param *param;
                char *newline;
 
                newline = strchr(pos, '\n');
@@ -127,16 +89,13 @@ static int parse_nvram_params(struct platform_powerpc *platform,
                if (namelen == 0)
                        continue;
 
-               if (!param_is_known(name, namelen))
+               if (!param_list_is_known_n(&platform->params, name, namelen))
                        continue;
 
+               *value = '\0';
                value++;
 
-               param = talloc(platform, struct param);
-               param->modified = false;
-               param->name = talloc_strndup(platform, name, namelen);
-               param->value = talloc_strdup(platform, value);
-               list_add(&platform->params, &param->list);
+               param_list_set(&platform->params, name, value, false);
        }
 
        return 0;
@@ -144,7 +103,7 @@ static int parse_nvram_params(struct platform_powerpc *platform,
 
 static int parse_nvram(struct platform_powerpc *platform)
 {
-       struct process *process;
+       struct process_stdout *stdout;
        const char *argv[5];
        int rc;
 
@@ -154,23 +113,17 @@ static int parse_nvram(struct platform_powerpc *platform)
        argv[3] = partition;
        argv[4] = NULL;
 
-       process = process_create(platform);
-       process->path = "nvram";
-       process->argv = argv;
-       process->keep_stdout = true;
+       rc = process_get_stdout_argv(NULL, &stdout, argv);
 
-       rc = process_run_sync(process);
-
-       if (rc || !process_exit_ok(process)) {
+       if (rc) {
                fprintf(stderr, "nvram process returned "
                                "non-zero exit status\n");
                rc = -1;
        } else {
-               rc = parse_nvram_params(platform, process->stdout_buf,
-                                           process->stdout_len);
+               rc = parse_nvram_params(platform, stdout->buf, stdout->len);
        }
 
-       process_release(process);
+       talloc_free(stdout);
        return rc;
 }
 
@@ -192,7 +145,7 @@ static int write_nvram(struct platform_powerpc *platform)
        process->path = "nvram";
        process->argv = argv;
 
-       list_for_each_entry(&platform->params, param, list) {
+       param_list_for_each(&platform->params, param) {
                char *paramstr;
 
                if (!param->modified)
@@ -218,352 +171,7 @@ static int write_nvram(struct platform_powerpc *platform)
        return rc;
 }
 
-static const char *get_param(struct platform_powerpc *platform,
-               const char *name)
-{
-       struct param *param;
-
-       list_for_each_entry(&platform->params, param, list)
-               if (!strcmp(param->name, name))
-                       return param->value;
-       return NULL;
-}
-
-static void set_param(struct platform_powerpc *platform, const char *name,
-               const char *value)
-{
-       struct param *param;
-
-       list_for_each_entry(&platform->params, param, list) {
-               if (strcmp(param->name, name))
-                       continue;
-
-               if (!strcmp(param->value, value))
-                       return;
-
-               talloc_free(param->value);
-               param->value = talloc_strdup(param, value);
-               param->modified = true;
-               return;
-       }
-
-
-       param = talloc(platform, struct param);
-       param->modified = true;
-       param->name = talloc_strdup(platform, name);
-       param->value = talloc_strdup(platform, value);
-       list_add(&platform->params, &param->list);
-}
-
-static int parse_hwaddr(struct interface_config *ifconf, char *str)
-{
-       int i;
-
-       if (strlen(str) != strlen("00:00:00:00:00:00"))
-               return -1;
-
-       for (i = 0; i < HWADDR_SIZE; i++) {
-               char byte[3], *endp;
-               unsigned long x;
-
-               byte[0] = str[i * 3 + 0];
-               byte[1] = str[i * 3 + 1];
-               byte[2] = '\0';
-
-               x = strtoul(byte, &endp, 16);
-               if (endp != byte + 2)
-                       return -1;
-
-               ifconf->hwaddr[i] = x & 0xff;
-       }
-
-       return 0;
-}
-
-static int parse_one_interface_config(struct config *config,
-               char *confstr)
-{
-       struct interface_config *ifconf;
-       char *tok, *saveptr;
-
-       ifconf = talloc_zero(config, struct interface_config);
-
-       if (!confstr || !strlen(confstr))
-               goto out_err;
-
-       /* first token should be the mac address */
-       tok = strtok_r(confstr, ",", &saveptr);
-       if (!tok)
-               goto out_err;
-
-       if (parse_hwaddr(ifconf, tok))
-               goto out_err;
-
-       /* second token is the method */
-       tok = strtok_r(NULL, ",", &saveptr);
-       if (!tok || !strlen(tok) || !strcmp(tok, "ignore")) {
-               ifconf->ignore = true;
-
-       } else if (!strcmp(tok, "dhcp")) {
-               ifconf->method = CONFIG_METHOD_DHCP;
-
-       } else if (!strcmp(tok, "static")) {
-               ifconf->method = CONFIG_METHOD_STATIC;
-
-               /* ip/mask, [optional] gateway, [optional] url */
-               tok = strtok_r(NULL, ",", &saveptr);
-               if (!tok)
-                       goto out_err;
-               ifconf->static_config.address =
-                       talloc_strdup(ifconf, tok);
-
-               tok = strtok_r(NULL, ",", &saveptr);
-               if (tok) {
-                       ifconf->static_config.gateway =
-                               talloc_strdup(ifconf, tok);
-               }
-
-               tok = strtok_r(NULL, ",", &saveptr);
-               if (tok) {
-                       ifconf->static_config.url =
-                               talloc_strdup(ifconf, tok);
-               }
-
-       } else {
-               pb_log("Unknown network configuration method %s\n", tok);
-               goto out_err;
-       }
-
-       config->network.interfaces = talloc_realloc(config,
-                       config->network.interfaces,
-                       struct interface_config *,
-                       ++config->network.n_interfaces);
-
-       config->network.interfaces[config->network.n_interfaces - 1] = ifconf;
-
-       return 0;
-out_err:
-       talloc_free(ifconf);
-       return -1;
-}
-
-static int parse_one_dns_config(struct config *config,
-               char *confstr)
-{
-       char *tok, *saveptr = NULL;
-
-       for (tok = strtok_r(confstr, ",", &saveptr); tok;
-                       tok = strtok_r(NULL, ",", &saveptr)) {
-
-               char *server = talloc_strdup(config, tok);
-
-               config->network.dns_servers = talloc_realloc(config,
-                               config->network.dns_servers, const char *,
-                               ++config->network.n_dns_servers);
-
-               config->network.dns_servers[config->network.n_dns_servers - 1]
-                               = server;
-       }
-
-       return 0;
-}
-
-static void populate_network_config(struct platform_powerpc *platform,
-               struct config *config)
-{
-       char *val, *saveptr = NULL;
-       const char *cval;
-       int i;
-
-       cval = get_param(platform, "petitboot,network");
-       if (!cval || !strlen(cval))
-               return;
-
-       val = talloc_strdup(config, cval);
-
-       for (i = 0; ; i++) {
-               char *tok;
-
-               tok = strtok_r(i == 0 ? val : NULL, " ", &saveptr);
-               if (!tok)
-                       break;
-
-               if (!strncasecmp(tok, "dns,", strlen("dns,")))
-                       parse_one_dns_config(config, tok + strlen("dns,"));
-               else
-                       parse_one_interface_config(config, tok);
-
-       }
-
-       talloc_free(val);
-}
-
-static int read_bootdev(void *ctx, char **pos, struct autoboot_option *opt)
-{
-       char *delim = strchr(*pos, ' ');
-       int len, prefix = 0, rc = -1;
-       enum device_type type;
-
-       if (!strncmp(*pos, "uuid:", strlen("uuid:"))) {
-               prefix = strlen("uuid:");
-               opt->boot_type = BOOT_DEVICE_UUID;
-               rc = 0;
-       } else if (!strncmp(*pos, "mac:", strlen("mac:"))) {
-               prefix = strlen("mac:");
-               opt->boot_type = BOOT_DEVICE_UUID;
-               rc = 0;
-       } else {
-               type = find_device_type(*pos);
-               if (type != DEVICE_TYPE_UNKNOWN) {
-                       opt->type = type;
-                       opt->boot_type = BOOT_DEVICE_TYPE;
-                       rc = 0;
-               }
-       }
-
-       if (opt->boot_type == BOOT_DEVICE_UUID) {
-               if (delim)
-                       len = (int)(delim - *pos) - prefix;
-               else
-                       len = strlen(*pos);
-
-               opt->uuid = talloc_strndup(ctx, *pos + prefix, len);
-       }
-
-       /* Always advance pointer to next option or end */
-       if (delim)
-               *pos = delim + 1;
-       else
-               *pos += strlen(*pos);
-
-       return rc;
-}
-
-static void populate_bootdev_config(struct platform_powerpc *platform,
-               struct config *config)
-{
-       struct autoboot_option *opt, *new = NULL;
-       char *pos, *end, *old_dev = NULL;
-       unsigned int n_new = 0;
-       const char *val;
-       bool conflict;
-
-       /* Check for old-style bootdev */
-       val = get_param(platform, "petitboot,bootdev");
-       if (val && strlen(val)) {
-               pos = talloc_strdup(config, val);
-               if (!strncmp(val, "uuid:", strlen("uuid:")))
-                       old_dev = talloc_strdup(config,
-                                               val + strlen("uuid:"));
-               else if (!strncmp(val, "mac:", strlen("mac:")))
-                       old_dev = talloc_strdup(config,
-                                               val + strlen("mac:"));
-       }
-
-       /* Check for ordered bootdevs */
-       val = get_param(platform, "petitboot,bootdevs");
-       if (!val || !strlen(val)) {
-               pos = end = NULL;
-       } else {
-               pos = talloc_strdup(config, val);
-               end = strchr(pos, '\0');
-       }
-
-       while (pos && pos < end) {
-               opt = talloc(config, struct autoboot_option);
-
-               if (read_bootdev(config, &pos, opt)) {
-                       pb_log("bootdev config is in an unknown format "
-                              "(expected uuid:... or mac:...)\n");
-                       talloc_free(opt);
-                       continue;
-               }
-
-               new = talloc_realloc(config, new, struct autoboot_option,
-                                    n_new + 1);
-               new[n_new] = *opt;
-               n_new++;
-               talloc_free(opt);
-
-       }
-
-       if (!n_new && !old_dev) {
-               /* If autoboot has been disabled, clear the default options */
-               if (!config->autoboot_enabled) {
-                       talloc_free(config->autoboot_opts);
-                       config->n_autoboot_opts = 0;
-               }
-               return;
-       }
-
-       conflict = old_dev && (!n_new ||
-                                   new[0].boot_type == BOOT_DEVICE_TYPE ||
-                                   /* Canonical UUIDs are 36 characters long */
-                                   strncmp(new[0].uuid, old_dev, 36));
-
-       if (!conflict) {
-               talloc_free(config->autoboot_opts);
-               config->autoboot_opts = new;
-               config->n_autoboot_opts = n_new;
-               return;
-       }
-
-       /*
-        * Difference detected, defer to old format in case it has been updated
-        * recently
-        */
-       pb_debug("Old autoboot bootdev detected\n");
-       talloc_free(config->autoboot_opts);
-       config->autoboot_opts = talloc(config, struct autoboot_option);
-       config->autoboot_opts[0].boot_type = BOOT_DEVICE_UUID;
-       config->autoboot_opts[0].uuid = talloc_strdup(config, old_dev);
-       config->n_autoboot_opts = 1;
-}
-
-static void populate_config(struct platform_powerpc *platform,
-               struct config *config)
-{
-       const char *val;
-       char *end;
-       unsigned long timeout;
-
-       /* if the "auto-boot?' property is present and "false", disable auto
-        * boot */
-       val = get_param(platform, "auto-boot?");
-       config->autoboot_enabled = !val || strcmp(val, "false");
-
-       val = get_param(platform, "petitboot,timeout");
-       if (val) {
-               timeout = strtoul(val, &end, 10);
-               if (end != val) {
-                       if (timeout >= INT_MAX)
-                               timeout = INT_MAX;
-                       config->autoboot_timeout_sec = (int)timeout;
-               }
-       }
-
-       val = get_param(platform, "petitboot,language");
-       config->lang = val ? talloc_strdup(config, val) : NULL;
-
-       populate_network_config(platform, config);
-
-       populate_bootdev_config(platform, config);
-
-       if (!config->debug) {
-               val = get_param(platform, "petitboot,debug?");
-               config->debug = val && !strcmp(val, "true");
-       }
-
-       val = get_param(platform, "petitboot,write?");
-       if (val)
-               config->allow_writes = !strcmp(val, "true");
-
-       val = get_param(platform, "petitboot,snapshots?");
-       if (val)
-               config->disable_snapshots = !strcmp(val, "false");
-}
-
-static char *iface_config_str(void *ctx, struct interface_config *config)
+static char *interface_config_str(void *ctx, struct interface_config *config)
 {
        char *str;
 
@@ -606,30 +214,25 @@ static char *dns_config_str(void *ctx, const char **dns_servers, int n)
        return str;
 }
 
-static void update_string_config(struct platform_powerpc *platform,
-               const char *name, const char *value)
-{
-       const char *cur;
-
-       cur = get_param(platform, name);
-
-       /* don't set an empty parameter if it doesn't already exist */
-       if (!cur && !strlen(value))
-               return;
-
-       set_param(platform, name, value);
-}
-
-static void update_network_config(struct platform_powerpc *platform,
-       struct config *config)
+static void update_network_config(struct param_list *pl, const char *param_name,
+       const struct config *config)
 {
        unsigned int i;
        char *val;
 
-       val = talloc_strdup(platform, "");
+       /*
+        * Don't store IPMI overrides to NVRAM. If this was a persistent
+        * override it was already stored in NVRAM by
+        * get_ipmi_network_override()
+        */
+       if (config->network.n_interfaces &&
+               config->network.interfaces[0]->override)
+               return;
+
+       val = talloc_strdup(pl, "");
 
        for (i = 0; i < config->network.n_interfaces; i++) {
-               char *iface_str = iface_config_str(platform,
+               char *iface_str = interface_config_str(pl,
                                        config->network.interfaces[i]);
                val = talloc_asprintf_append(val, "%s%s",
                                *val == '\0' ? "" : " ", iface_str);
@@ -637,7 +240,7 @@ static void update_network_config(struct platform_powerpc *platform,
        }
 
        if (config->network.n_dns_servers) {
-               char *dns_str = dns_config_str(platform,
+               char *dns_str = dns_config_str(pl,
                                                config->network.dns_servers,
                                                config->network.n_dns_servers);
                val = talloc_asprintf_append(val, "%s%s",
@@ -645,26 +248,21 @@ static void update_network_config(struct platform_powerpc *platform,
                talloc_free(dns_str);
        }
 
-       update_string_config(platform, "petitboot,network", val);
+       param_list_set_non_empty(pl, param_name, val, true);
 
        talloc_free(val);
 }
 
-static void update_bootdev_config(struct platform_powerpc *platform,
-               struct config *config)
+static void update_bootdev_config(struct param_list *pl, const char *param_name,
+       const struct config *config)
 {
-       char *val = NULL, *boot_str = NULL, *tmp = NULL, *first = NULL;
+       char *val = NULL, *boot_str = NULL, *tmp = NULL;
        struct autoboot_option *opt;
        const char delim = ' ';
        unsigned int i;
 
        if (!config->n_autoboot_opts)
-               first = val = "";
-       else if (config->autoboot_opts[0].boot_type == BOOT_DEVICE_UUID)
-               first = talloc_asprintf(config, "uuid:%s",
-                                       config->autoboot_opts[0].uuid);
-       else
-               first = "";
+               val = "";
 
        for (i = 0; i < config->n_autoboot_opts; i++) {
                opt = &config->autoboot_opts[i];
@@ -682,15 +280,15 @@ static void update_bootdev_config(struct platform_powerpc *platform,
                        tmp = val = talloc_asprintf_append(val, "%s", boot_str);
        }
 
-       update_string_config(platform, "petitboot,bootdevs", val);
-       update_string_config(platform, "petitboot,bootdev", first);
+       param_list_set_non_empty(pl, param_name, val, true);
+
        talloc_free(tmp);
        if (boot_str)
                talloc_free(boot_str);
 }
 
-static int update_config(struct platform_powerpc *platform,
-               struct config *config, struct config *defaults)
+static void update_config(struct param_list *pl, struct config *config,
+       const struct config *defaults)
 {
        char *tmp = NULL;
        const char *val;
@@ -699,63 +297,50 @@ static int update_config(struct platform_powerpc *platform,
                val = "";
        else
                val = config->autoboot_enabled ? "true" : "false";
-       update_string_config(platform, "auto-boot?", val);
+
+       param_list_set_non_empty(pl, "auto-boot?", val, true);
 
        if (config->autoboot_timeout_sec == defaults->autoboot_timeout_sec)
                val = "";
        else
-               val = tmp = talloc_asprintf(platform, "%d",
-                               config->autoboot_timeout_sec);
-
-       if (config->ipmi_bootdev == IPMI_BOOTDEV_INVALID &&
-           platform->clear_ipmi_bootdev) {
-               platform->clear_ipmi_bootdev(platform,
-                               config->ipmi_bootdev_persistent);
-               config->ipmi_bootdev = IPMI_BOOTDEV_NONE;
-               config->ipmi_bootdev_persistent = false;
-       }
+               val = tmp = talloc_asprintf(pl, "%d",
+                       config->autoboot_timeout_sec);
 
-       update_string_config(platform, "petitboot,timeout", val);
+       param_list_set_non_empty(pl, "petitboot,timeout", val, true);
        if (tmp)
                talloc_free(tmp);
 
        val = config->lang ?: "";
-       update_string_config(platform, "petitboot,language", val);
+       param_list_set_non_empty(pl, "petitboot,language", val, true);
 
        if (config->allow_writes == defaults->allow_writes)
                val = "";
        else
                val = config->allow_writes ? "true" : "false";
-       update_string_config(platform, "petitboot,write?", val);
+       param_list_set_non_empty(pl, "petitboot,write?", val, true);
 
-       update_network_config(platform, config);
+       if (!config->manual_console) {
+               val = config->boot_console ?: "";
+               param_list_set_non_empty(pl, "petitboot,console", val, true);
+       }
 
-       update_bootdev_config(platform, config);
+       val = config->http_proxy ?: "";
+       param_list_set_non_empty(pl, "petitboot,http_proxy", val, true);
+       val = config->https_proxy ?: "";
+       param_list_set_non_empty(pl, "petitboot,https_proxy", val, true);
 
-       return write_nvram(platform);
+       update_network_config(pl, "petitboot,network", config);
+       update_bootdev_config(pl, "petitboot,bootdevs", config);
 }
 
-static void set_ipmi_bootdev(struct config *config, enum ipmi_bootdev bootdev,
+static void config_set_ipmi_bootdev(struct config *config, enum ipmi_bootdev bootdev,
                bool persistent)
 {
        config->ipmi_bootdev = bootdev;
        config->ipmi_bootdev_persistent = persistent;
 
-       switch (bootdev) {
-       case IPMI_BOOTDEV_NONE:
-       case IPMI_BOOTDEV_DISK:
-       case IPMI_BOOTDEV_NETWORK:
-       case IPMI_BOOTDEV_CDROM:
-       default:
-               break;
-       case IPMI_BOOTDEV_SETUP:
-               config->autoboot_enabled = false;
-               break;
-       case IPMI_BOOTDEV_SAFE:
-               config->autoboot_enabled = false;
+       if (bootdev == IPMI_BOOTDEV_SAFE)
                config->safe_mode = true;
-               break;
-       }
 }
 
 static int read_bootdev_sysparam(const char *name, uint8_t *val)
@@ -923,6 +508,11 @@ static int get_ipmi_bootdev_ipmi(struct platform_powerpc *platform,
                return -1;
        }
 
+       pb_debug("IPMI get_bootdev response:\n");
+       for (int i = 0; i < resp_len; i++)
+               pb_debug("%x ", resp[i]);
+       pb_debug("\n");
+
        if (resp[0] != 0) {
                pb_log("platform: non-zero completion code %d from IPMI req\n",
                                resp[0]);
@@ -947,7 +537,7 @@ static int get_ipmi_bootdev_ipmi(struct platform_powerpc *platform,
        /* check for valid flags */
        if (!(resp[3] & 0x80)) {
                pb_debug("platform: boot flags are invalid, ignoring\n");
-               return 0;
+               return -1;
        }
 
        *persistent = resp[3] & 0x40;
@@ -992,29 +582,141 @@ static int set_ipmi_os_boot_sensor(struct platform_powerpc *platform)
        return 0;
 }
 
-static void get_ipmi_bmc_mac(struct platform *p, uint8_t *buf)
+static void get_ipmi_network_override(struct platform_powerpc *platform,
+                       struct config *config)
 {
-       struct platform_powerpc *platform = p->platform_data;
-       uint16_t resp_len = 8;
-       uint8_t resp[8];
-       uint8_t req[] = { 0x1, 0x5, 0x0, 0x0 };
+       uint16_t min_len = 12, resp_len = 53, version;
+       const uint32_t magic_value = 0x21706221;
+       uint8_t resp[resp_len];
+       uint32_t cookie;
+       bool persistent;
        int i, rc;
+       uint8_t req[] = {
+               0x61, /* parameter selector: OEM section (network) */
+               0x00, /* no set selector */
+               0x00, /* no block selector */
+       };
 
-       rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_TRANSPORT,
-                       IPMI_CMD_TRANSPORT_GET_LAN_PARAMS,
+       rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_CHASSIS,
+                       IPMI_CMD_CHASSIS_GET_SYSTEM_BOOT_OPTIONS,
                        req, sizeof(req),
                        resp, &resp_len,
                        ipmi_timeout);
 
-       pb_debug("BMC MAC resp [%d][%d]:\n", rc, resp_len);
-
-       if (rc == 0 && resp_len > 0) {
-               for (i = 2; i < resp_len; i++) {
-                       pb_debug(" %x", resp[i]);
-                       buf[i - 2] = resp[i];
+       pb_debug("IPMI net override resp [%d][%d]:\n", rc, resp_len);
+       if (resp_len > 0) {
+               for (i = 0; i < resp_len; i++) {
+                       pb_debug(" %02x", resp[i]);
+                       if (i && (i + 1) % 16 == 0 && i != resp_len - 1)
+                               pb_debug("\n");
+                       else if (i && (i + 1) % 8 == 0)
+                               pb_debug(" ");
                }
                pb_debug("\n");
        }
+
+       if (rc) {
+               pb_debug("IPMI network config option unavailable\n");
+               return;
+       }
+
+       if (resp_len < min_len) {
+               pb_debug("IPMI net response too small\n");
+               return;
+       }
+
+       if (resp[0] != 0) {
+               pb_log("platform: non-zero completion code %d from IPMI network req\n",
+                      resp[0]);
+               return;
+       }
+
+       /* Check for correct parameter version */
+       if ((resp[1] & 0xf) != 0x1) {
+               pb_log("platform: unexpected version (0x%x) in network override response\n",
+                      resp[0]);
+               return;
+       }
+
+       /* Check that the parameters are valid */
+       if (resp[2] & 0x80) {
+               pb_debug("platform: network override is invalid/locked\n");
+               return;
+       }
+
+       /* Check for valid parameters in the boot flags section */
+       if (!(resp[3] & 0x80)) {
+               pb_debug("platform: network override valid flag not set\n");
+               return;
+       }
+       /* Read the persistent flag; if it is set we need to save this config */
+       persistent = resp[3] & 0x40;
+       if (persistent)
+               pb_debug("platform: network override is persistent\n");
+
+       /* Check 4-byte cookie value */
+       i = 4;
+       memcpy(&cookie, &resp[i], sizeof(cookie));
+       cookie = __be32_to_cpu(cookie);
+       if (cookie != magic_value) {
+               pb_log_fn("Incorrect cookie %x\n", cookie);
+               return;
+       }
+       i += sizeof(cookie);
+
+       /* Check 2-byte version number */
+       memcpy(&version, &resp[i], sizeof(version));
+       version = __be16_to_cpu(version);
+       i += sizeof(version);
+       if (version != 1) {
+               pb_debug("Unexpected version: %u\n", version);
+               return;
+       }
+
+       /* Interpret the rest of the interface config */
+       rc = parse_ipmi_interface_override(config, &resp[i], resp_len - i);
+
+       if (!rc && persistent) {
+               /* Write this new config to NVRAM */
+               update_network_config(&platform->params, "petitboot,network",
+                       config);
+               rc = write_nvram(platform);
+               if (rc)
+                       pb_log("platform: Failed to save persistent interface override\n");
+       }
+}
+
+static void config_get_active_consoles(struct config *config)
+{
+       struct stat sbuf;
+       char *fsp_prop = NULL;
+
+       config->n_consoles = 2;
+       config->consoles = talloc_array(config, char *, config->n_consoles);
+       if (!config->consoles)
+               goto err;
+
+       config->consoles[0] = talloc_asprintf(config->consoles,
+                                       "/dev/hvc0 [IPMI / Serial]");
+       config->consoles[1] = talloc_asprintf(config->consoles,
+                                       "/dev/tty1 [VGA]");
+
+       fsp_prop = talloc_asprintf(config, "%sfsps", devtree_dir);
+       if (stat(fsp_prop, &sbuf) == 0) {
+               /* FSP based machines also have a separate serial console */
+               config->consoles = talloc_realloc(config, config->consoles,
+                                               char *, config->n_consoles + 1);
+               if (!config->consoles)
+                       goto err;
+               config->consoles[config->n_consoles++] = talloc_asprintf(
+                                               config->consoles,
+                                               "/dev/hvc1 [Serial]");
+       }
+
+       return;
+err:
+       config->n_consoles = 0;
+       pb_log("Failed to allocate memory for consoles\n");
 }
 
 static int load_config(struct platform *p, struct config *config)
@@ -1024,20 +726,26 @@ static int load_config(struct platform *p, struct config *config)
 
        rc = parse_nvram(platform);
        if (rc)
-               return rc;
+               pb_log_fn("Failed to parse nvram\n");
 
-       populate_config(platform, config);
+       config_populate_all(config, &platform->params);
 
        if (platform->get_ipmi_bootdev) {
                bool bootdev_persistent;
-               uint8_t bootdev;
+               uint8_t bootdev = IPMI_BOOTDEV_INVALID;
                rc = platform->get_ipmi_bootdev(platform, &bootdev,
                                &bootdev_persistent);
                if (!rc && ipmi_bootdev_is_valid(bootdev)) {
-                       set_ipmi_bootdev(config, bootdev, bootdev_persistent);
+                       config_set_ipmi_bootdev(config, bootdev,
+                               bootdev_persistent);
                }
        }
 
+       if (platform->ipmi)
+               get_ipmi_network_override(platform, config);
+
+       config_get_active_consoles(config);
+
        return 0;
 }
 
@@ -1045,15 +753,22 @@ static int save_config(struct platform *p, struct config *config)
 {
        struct platform_powerpc *platform = to_platform_powerpc(p);
        struct config *defaults;
-       int rc;
+
+       if (config->ipmi_bootdev == IPMI_BOOTDEV_INVALID &&
+           platform->clear_ipmi_bootdev) {
+               platform->clear_ipmi_bootdev(platform,
+                               config->ipmi_bootdev_persistent);
+               config->ipmi_bootdev = IPMI_BOOTDEV_NONE;
+               config->ipmi_bootdev_persistent = false;
+       }
 
        defaults = talloc_zero(platform, struct config);
        config_set_defaults(defaults);
 
-       rc = update_config(platform, config, defaults);
+       update_config(&platform->params, config, defaults);
 
        talloc_free(defaults);
-       return rc;
+       return write_nvram(platform);
 }
 
 static void pre_boot(struct platform *p, const struct config *config)
@@ -1086,8 +801,14 @@ static int get_sysinfo(struct platform *p, struct system_info *sysinfo)
        talloc_free(filename);
 
        sysinfo->bmc_mac = talloc_zero_size(sysinfo, HWADDR_SIZE);
-       if (platform->ipmi)
-               get_ipmi_bmc_mac(p, sysinfo->bmc_mac);
+
+       if (platform->ipmi) {
+               ipmi_get_bmc_mac(platform->ipmi, sysinfo->bmc_mac);
+               ipmi_get_bmc_versions(platform->ipmi, sysinfo);
+       }
+
+       if (platform->get_platform_versions)
+               platform->get_platform_versions(sysinfo);
 
        return 0;
 }
@@ -1096,6 +817,7 @@ static bool probe(struct platform *p, void *ctx)
 {
        struct platform_powerpc *platform;
        struct stat statbuf;
+       bool bmc_present;
        int rc;
 
        /* we need a device tree */
@@ -1107,11 +829,13 @@ static bool probe(struct platform *p, void *ctx)
                return false;
 
        platform = talloc_zero(ctx, struct platform_powerpc);
-       list_init(&platform->params);
+       param_list_init(&platform->params, common_known_params());
 
        p->platform_data = platform;
 
-       if (ipmi_present()) {
+       bmc_present = stat("/proc/device-tree/bmc", &statbuf) == 0;
+
+       if (ipmi_present() && bmc_present) {
                pb_debug("platform: using direct IPMI for IPMI paramters\n");
                platform->ipmi = ipmi_open(platform);
                platform->get_ipmi_bootdev = get_ipmi_bootdev_ipmi;
@@ -1126,6 +850,9 @@ static bool probe(struct platform *p, void *ctx)
                pb_log("platform: no IPMI parameter support\n");
        }
 
+       if (bmc_present)
+               platform->get_platform_versions = hostboot_load_versions;
+
        return true;
 }