X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fplatform-powerpc.c;h=a3f7bf53a7292b8728092cdb0a92de466190cf02;hp=0e3a10b29d0de2247bb7593fb90844365bad42f1;hb=336f4eb17fb50526ea9fda82262356581e1b9ae0;hpb=11284780b9aa525dd659bd85d6374040630db008

diff --git a/discover/platform-powerpc.c b/discover/platform-powerpc.c
index 0e3a10b..a3f7bf5 100644
--- a/discover/platform-powerpc.c
+++ b/discover/platform-powerpc.c
@@ -2,11 +2,10 @@
 #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>
 
@@ -15,7 +14,6 @@
 #include <list/list.h>
 #include <log/log.h>
 #include <process/process.h>
-#include <types/types.h>
 
 #include "hostboot.h"
 #include "platform.h"
@@ -25,19 +23,10 @@
 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)(
 				struct platform_powerpc *platform,
 				uint8_t *bootdev, bool *persistent);
@@ -49,40 +38,9 @@ struct platform_powerpc {
 	void		(*get_platform_versions)(struct system_info *info);
 };
 
-static const char *known_params[] = {
-	"auto-boot?",
-	"petitboot,network",
-	"petitboot,timeout",
-	"petitboot,bootdev",
-	"petitboot,bootdevs",
-	"petitboot,language",
-	"petitboot,debug?",
-	"petitboot,write?",
-	"petitboot,snapshots?",
-	NULL,
-};
-
 #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)
 {
@@ -111,7 +69,6 @@ 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');
@@ -131,16 +88,13 @@ 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;
@@ -148,7 +102,7 @@ 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;
 
@@ -158,23 +112,17 @@ 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_run_sync(process);
+	rc = process_get_stdout_argv(NULL, &stdout, argv);
 
-	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;
 }
 
@@ -196,7 +144,7 @@ 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)
@@ -222,479 +170,8 @@ 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)
-{
-	char *str;
-
-	/* todo: HWADDR size is hardcoded as 6, but we may need to handle
-	 * different hardware address formats */
-	str = talloc_asprintf(ctx, "%02x:%02x:%02x:%02x:%02x:%02x,",
-			config->hwaddr[0], config->hwaddr[1],
-			config->hwaddr[2], config->hwaddr[3],
-			config->hwaddr[4], config->hwaddr[5]);
-
-	if (config->ignore) {
-		str = talloc_asprintf_append(str, "ignore");
-
-	} else if (config->method == CONFIG_METHOD_DHCP) {
-		str = talloc_asprintf_append(str, "dhcp");
-
-	} else if (config->method == CONFIG_METHOD_STATIC) {
-		str = talloc_asprintf_append(str, "static,%s%s%s%s%s",
-				config->static_config.address,
-				config->static_config.gateway ? "," : "",
-				config->static_config.gateway ?: "",
-				config->static_config.url ? "," : "",
-				config->static_config.url ?: "");
-	}
-	return str;
-}
-
-static char *dns_config_str(void *ctx, const char **dns_servers, int n)
-{
-	char *str;
-	int i;
-
-	str = talloc_strdup(ctx, "dns,");
-	for (i = 0; i < n; i++) {
-		str = talloc_asprintf_append(str, "%s%s",
-				i == 0 ? "" : ",",
-				dns_servers[i]);
-	}
-
-	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)
-{
-	unsigned int i;
-	char *val;
-
-	val = talloc_strdup(platform, "");
-
-	for (i = 0; i < config->network.n_interfaces; i++) {
-		char *iface_str = iface_config_str(platform,
-					config->network.interfaces[i]);
-		val = talloc_asprintf_append(val, "%s%s",
-				*val == '\0' ? "" : " ", iface_str);
-		talloc_free(iface_str);
-	}
-
-	if (config->network.n_dns_servers) {
-		char *dns_str = dns_config_str(platform,
-						config->network.dns_servers,
-						config->network.n_dns_servers);
-		val = talloc_asprintf_append(val, "%s%s",
-				*val == '\0' ? "" : " ", dns_str);
-		talloc_free(dns_str);
-	}
-
-	update_string_config(platform, "petitboot,network", val);
-
-	talloc_free(val);
-}
-
-static void update_bootdev_config(struct platform_powerpc *platform,
-		struct config *config)
-{
-	char *val = NULL, *boot_str = NULL, *tmp = NULL, *first = 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 = "";
-
-	for (i = 0; i < config->n_autoboot_opts; i++) {
-		opt = &config->autoboot_opts[i];
-		switch (opt->boot_type) {
-			case BOOT_DEVICE_TYPE:
-				boot_str = talloc_asprintf(config, "%s%c",
-						device_type_name(opt->type),
-						delim);
-				break;
-			case BOOT_DEVICE_UUID:
-				boot_str = talloc_asprintf(config, "uuid:%s%c",
-						opt->uuid, delim);
-				break;
-			}
-			tmp = val = talloc_asprintf_append(val, "%s", boot_str);
-	}
-
-	update_string_config(platform, "petitboot,bootdevs", val);
-	update_string_config(platform, "petitboot,bootdev", first);
-	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 params_update_all(struct param_list *pl,
+	const struct config *config, const struct config *defaults)
 {
 	char *tmp = NULL;
 	const char *val;
@@ -703,63 +180,50 @@ 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);
+		val = tmp = talloc_asprintf(pl, "%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;
-	}
-
-	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);
+	params_update_network_values(pl, "petitboot,network", config);
+	params_update_bootdev_values(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)
@@ -903,6 +367,7 @@ static int get_ipmi_bootdev_ipmi(struct platform_powerpc *platform,
 {
 	uint16_t resp_len;
 	uint8_t resp[8];
+	char *debug_buf;
 	int rc;
 	uint8_t req[] = {
 		0x05, /* parameter selector: boot flags */
@@ -927,10 +392,9 @@ 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");
+	debug_buf = format_buffer(platform, resp, resp_len);
+	pb_debug_fn("IPMI get_bootdev response:\n%s\n", debug_buf);
+	talloc_free(debug_buf);
 
 	if (resp[0] != 0) {
 		pb_log("platform: non-zero completion code %d from IPMI req\n",
@@ -956,7 +420,7 @@ 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;
@@ -1001,126 +465,15 @@ 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)
-{
-	struct platform_powerpc *platform = p->platform_data;
-	uint16_t resp_len = 8;
-	uint8_t resp[8];
-	uint8_t req[] = { 0x1, 0x5, 0x0, 0x0 };
-	int i, rc;
-
-	rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_TRANSPORT,
-			IPMI_CMD_TRANSPORT_GET_LAN_PARAMS,
-			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("\n");
-	}
-
-}
-
-/*
- * Retrieve info from the "Get Device ID" IPMI commands.
- * See Chapter 20.1 in the IPMIv2 specification.
- */
-static void get_ipmi_bmc_versions(struct platform *p, struct system_info *info)
-{
-	struct platform_powerpc *platform = p->platform_data;
-	uint16_t resp_len = 16;
-	uint8_t resp[16], bcd;
-	uint32_t aux_version;
-	int i, rc;
-
-	/* Retrieve info from current side */
-	rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_APP,
-			IPMI_CMD_APP_GET_DEVICE_ID,
-			NULL, 0,
-			resp, &resp_len,
-			ipmi_timeout);
-
-	pb_debug("BMC version resp [%d][%d]:\n", rc, resp_len);
-	if (resp_len > 0) {
-		for (i = 0; i < resp_len; i++) {
-		        pb_debug(" %x", resp[i]);
-		}
-		pb_debug("\n");
-	}
-
-	if (rc == 0 && resp_len == 16) {
-		info->bmc_current = talloc_array(info, char *, 4);
-		info->n_bmc_current = 4;
-
-		info->bmc_current[0] = talloc_asprintf(info, "Device ID: 0x%x",
-						resp[1]);
-		info->bmc_current[1] = talloc_asprintf(info, "Device Rev: 0x%x",
-						resp[2]);
-		bcd = resp[4] & 0x0f;
-		bcd += 10 * (resp[4] >> 4);
-		memcpy(&aux_version, &resp[12], sizeof(aux_version));
-		info->bmc_current[2] = talloc_asprintf(info,
-						"Firmware version: %u.%02u.%u",
-						resp[3], bcd, aux_version);
-		bcd = resp[5] & 0x0f;
-		bcd += 10 * (resp[5] >> 4);
-		info->bmc_current[3] = talloc_asprintf(info, "IPMI version: %u",
-						bcd);
-	} else
-		pb_log("Failed to retrieve Device ID from IPMI\n");
-
-	/* Retrieve info from golden side */
-	memset(resp, 0, sizeof(resp));
-	resp_len = 16;
-	rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_AMI,
-			IPMI_CMD_APP_GET_DEVICE_ID_GOLDEN,
-			NULL, 0,
-			resp, &resp_len,
-			ipmi_timeout);
-
-	pb_debug("BMC golden resp [%d][%d]:\n", rc, resp_len);
-	if (resp_len > 0) {
-		for (i = 0; i < resp_len; i++) {
-		        pb_debug(" %x", resp[i]);
-		}
-		pb_debug("\n");
-	}
-
-	if (rc == 0 && resp_len == 16) {
-		info->bmc_golden = talloc_array(info, char *, 4);
-		info->n_bmc_golden = 4;
-
-		info->bmc_golden[0] = talloc_asprintf(info, "Device ID: 0x%x",
-						resp[1]);
-		info->bmc_golden[1] = talloc_asprintf(info, "Device Rev: 0x%x",
-						resp[2]);
-		bcd = resp[4] & 0x0f;
-		bcd += 10 * (resp[4] >> 4);
-		memcpy(&aux_version, &resp[12], sizeof(aux_version));
-		info->bmc_golden[2] = talloc_asprintf(info,
-						"Firmware version: %u.%02u.%u",
-						resp[3], bcd, aux_version);
-		bcd = resp[5] & 0x0f;
-		bcd += 10 * (resp[5] >> 4);
-		info->bmc_golden[3] = talloc_asprintf(info, "IPMI version: %u",
-						bcd);
-	} else
-		pb_log("Failed to retrieve Golden Device ID from IPMI\n");
-}
-
 static void get_ipmi_network_override(struct platform_powerpc *platform,
 			struct config *config)
 {
 	uint16_t min_len = 12, resp_len = 53, version;
 	const uint32_t magic_value = 0x21706221;
 	uint8_t resp[resp_len];
+	char *debug_buf;
 	uint32_t cookie;
+	bool persistent;
 	int i, rc;
 	uint8_t req[] = {
 		0x61, /* parameter selector: OEM section (network) */
@@ -1134,17 +487,9 @@ static void get_ipmi_network_override(struct platform_powerpc *platform,
 			resp, &resp_len,
 			ipmi_timeout);
 
-	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");
-	}
+	debug_buf = format_buffer(platform, resp, resp_len);
+	pb_debug_fn("IPMI net override response:\n%s\n", debug_buf);
+	talloc_free(debug_buf);
 
 	if (rc) {
 		pb_debug("IPMI network config option unavailable\n");
@@ -1169,25 +514,28 @@ static void get_ipmi_network_override(struct platform_powerpc *platform,
 		return;
 	}
 
-	/* Check for valid parameters. For now ignore the persistent flag */
+	/* 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, ignoring the
-	 * persistent bit */
+	/* 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("%s: Incorrect cookie %x\n", __func__, cookie);
+		pb_log_fn("Incorrect cookie %x\n", cookie);
 		return;
 	}
 	i += sizeof(cookie);
@@ -1202,7 +550,49 @@ static void get_ipmi_network_override(struct platform_powerpc *platform,
 	}
 
 	/* Interpret the rest of the interface config */
-	parse_ipmi_interface_override(config, &resp[i], resp_len - i);
+	rc = parse_ipmi_interface_override(config, &resp[i], resp_len - i);
+
+	if (!rc && persistent) {
+		/* Write this new config to NVRAM */
+		params_update_network_values(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)
@@ -1212,23 +602,26 @@ 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;
 }
 
@@ -1236,15 +629,22 @@ 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);
+	params_update_all(platform->params, config, defaults);
 
 	talloc_free(defaults);
-	return rc;
+	return write_nvram(platform);
 }
 
 static void pre_boot(struct platform *p, const struct config *config)
@@ -1277,11 +677,11 @@ 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)
-		get_ipmi_bmc_versions(p, sysinfo);
+	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);
@@ -1293,6 +693,7 @@ 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 */
@@ -1304,11 +705,14 @@ static bool probe(struct platform *p, void *ctx)
 		return false;
 
 	platform = talloc_zero(ctx, struct platform_powerpc);
-	list_init(&platform->params);
+	platform->params = talloc_zero(platform, struct param_list);
+	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;
@@ -1323,8 +727,7 @@ static bool probe(struct platform *p, void *ctx)
 		pb_log("platform: no IPMI parameter support\n");
 	}
 
-	rc = stat("/proc/device-tree/bmc", &statbuf);
-	if (!rc)
+	if (bmc_present)
 		platform->get_platform_versions = hostboot_load_versions;
 
 	return true;