X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fplatform-powerpc.c;h=df8c7d611d26a0c46c97de0bd921fc82e1414520;hp=776176956a8c9df777948728a9fcc15660998e2e;hb=917f7aa880a7c6ab08991ae0c969d0489ba48845;hpb=67e015d08f9a9f53b1ec0a6c301ce1a9516ea69a

diff --git a/discover/platform-powerpc.c b/discover/platform-powerpc.c
index 7761769..df8c7d6 100644
--- a/discover/platform-powerpc.c
+++ b/discover/platform-powerpc.c
@@ -1,19 +1,32 @@
 
+#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/stat.h>
+#include <asm/byteorder.h>
 
+#include <file/file.h>
 #include <talloc/talloc.h>
 #include <list/list.h>
 #include <log/log.h>
 #include <process/process.h>
+#include <types/types.h>
+#include <url/url.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 = 10000; /* milliseconds. */
 
 struct param {
 	char			*name;
@@ -23,22 +36,38 @@ struct param {
 };
 
 struct platform_powerpc {
-	struct list		params;
+	struct list	params;
+	struct ipmi	*ipmi;
+	bool		ipmi_bootdev_persistent;
+	int		(*get_ipmi_bootdev)(
+				struct platform_powerpc *platform,
+				uint8_t *bootdev, bool *persistent);
+	int		(*clear_ipmi_bootdev)(
+				struct platform_powerpc *platform,
+				bool persistent);
+	int 		(*set_os_boot_sensor)(
+				struct platform_powerpc *platform);
+	void		(*get_platform_versions)(struct system_info *info);
 };
 
 static const char *known_params[] = {
 	"auto-boot?",
 	"petitboot,network",
 	"petitboot,timeout",
+	"petitboot,bootdevs",
+	"petitboot,language",
+	"petitboot,debug?",
+	"petitboot,write?",
+	"petitboot,snapshots?",
+	"petitboot,console",
+	"petitboot,http_proxy",
+	"petitboot,https_proxy",
 	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;
@@ -154,7 +183,7 @@ static int write_nvram(struct platform_powerpc *platform)
 	struct process *process;
 	struct param *param;
 	const char *argv[6];
-	int rc;
+	int rc = 0;
 
 	argv[0] = "nvram";
 	argv[1] = "--update-config";
@@ -259,7 +288,7 @@ static int parse_one_interface_config(struct config *config,
 		char *confstr)
 {
 	struct interface_config *ifconf;
-	char *tok, *saveptr;
+	char *tok, *tok_gw, *tok_url, *saveptr;
 
 	ifconf = talloc_zero(config, struct interface_config);
 
@@ -285,19 +314,33 @@ static int parse_one_interface_config(struct config *config,
 	} else if (!strcmp(tok, "static")) {
 		ifconf->method = CONFIG_METHOD_STATIC;
 
-		/* ip/mask, [optional] gateway */
+		/* 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);
+		/*
+		 * If a url is set but not a gateway, we can accidentally
+		 * interpret the url as the gateway. To avoid changing the
+		 * parameter format check if the "gateway" is actually a
+		 * pb-url if it's the last token.
+		 */
+		tok_gw = strtok_r(NULL, ",", &saveptr);
+		tok_url = strtok_r(NULL, ",", &saveptr);
+
+		if (tok_gw) {
+			if (tok_url || !is_url(tok_gw))
+				ifconf->static_config.gateway =
+					talloc_strdup(ifconf, tok_gw);
+			else
+					tok_url = tok_gw;
 		}
 
+		if (tok_url)
+			ifconf->static_config.url =
+				talloc_strdup(ifconf, tok_url);
 	} else {
 		pb_log("Unknown network configuration method %s\n", tok);
 		goto out_err;
@@ -319,7 +362,7 @@ out_err:
 static int parse_one_dns_config(struct config *config,
 		char *confstr)
 {
-	char *tok, *saveptr;
+	char *tok, *saveptr = NULL;
 
 	for (tok = strtok_r(confstr, ",", &saveptr); tok;
 			tok = strtok_r(NULL, ",", &saveptr)) {
@@ -340,8 +383,8 @@ static int parse_one_dns_config(struct config *config,
 static void populate_network_config(struct platform_powerpc *platform,
 		struct config *config)
 {
+	char *val, *saveptr = NULL;
 	const char *cval;
-	char *val;
 	int i;
 
 	cval = get_param(platform, "petitboot,network");
@@ -351,7 +394,7 @@ static void populate_network_config(struct platform_powerpc *platform,
 	val = talloc_strdup(config, cval);
 
 	for (i = 0; ; i++) {
-		char *tok, *saveptr;
+		char *tok;
 
 		tok = strtok_r(i == 0 ? val : NULL, " ", &saveptr);
 		if (!tok)
@@ -367,6 +410,97 @@ static void populate_network_config(struct platform_powerpc *platform,
 	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;
+	} else if (!strncmp(*pos, "mac:", strlen("mac:"))) {
+		prefix = strlen("mac:");
+		opt->boot_type = BOOT_DEVICE_UUID;
+	} 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) - prefix;
+
+		if (len) {
+			opt->uuid = talloc_strndup(ctx, *pos + prefix, len);
+			rc = 0;
+		}
+	}
+
+	/* 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;
+	unsigned int n_new = 0;
+	const char *val;
+
+	/* 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) {
+		/* If autoboot has been disabled, clear the default options */
+		if (!config->autoboot_enabled) {
+			talloc_free(config->autoboot_opts);
+			config->n_autoboot_opts = 0;
+		}
+		return;
+	}
+
+	talloc_free(config->autoboot_opts);
+	config->autoboot_opts = new;
+	config->n_autoboot_opts = n_new;
+}
+
 static void populate_config(struct platform_powerpc *platform,
 		struct config *config)
 {
@@ -389,7 +523,39 @@ static void populate_config(struct platform_powerpc *platform,
 		}
 	}
 
+	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");
+
+	val = get_param(platform, "petitboot,console");
+	if (val)
+		config->boot_console = talloc_strdup(config, val);
+	/* If a full path is already set we don't want to override it */
+	config->manual_console = config->boot_console &&
+					!strchr(config->boot_console, '[');
+
+	val = get_param(platform, "petitboot,http_proxy");
+	if (val)
+		config->http_proxy = talloc_strdup(config, val);
+	val = get_param(platform, "petitboot,https_proxy");
+	if (val)
+		config->https_proxy = talloc_strdup(config, val);
 }
 
 static char *iface_config_str(void *ctx, struct interface_config *config)
@@ -410,10 +576,12 @@ static char *iface_config_str(void *ctx, struct interface_config *config)
 		str = talloc_asprintf_append(str, "dhcp");
 
 	} else if (config->method == CONFIG_METHOD_STATIC) {
-		str = talloc_asprintf_append(str, "static,%s%s%s",
+		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.gateway ?: "",
+				config->static_config.url ? "," : "",
+				config->static_config.url ?: "");
 	}
 	return str;
 }
@@ -453,6 +621,15 @@ static void update_network_config(struct platform_powerpc *platform,
 	unsigned int i;
 	char *val;
 
+	/*
+	 * 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(platform, "");
 
 	for (i = 0; i < config->network.n_interfaces; i++) {
@@ -477,6 +654,39 @@ static void update_network_config(struct platform_powerpc *platform,
 	talloc_free(val);
 }
 
+static void update_bootdev_config(struct platform_powerpc *platform,
+		struct config *config)
+{
+	char *val = NULL, *boot_str = NULL, *tmp = NULL;
+	struct autoboot_option *opt;
+	const char delim = ' ';
+	unsigned int i;
+
+	if (!config->n_autoboot_opts)
+		val = "";
+
+	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);
+	talloc_free(tmp);
+	if (boot_str)
+		talloc_free(boot_str);
+}
+
 static int update_config(struct platform_powerpc *platform,
 		struct config *config, struct config *defaults)
 {
@@ -495,15 +705,553 @@ static int update_config(struct platform_powerpc *platform,
 		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;
+	}
+
 	update_string_config(platform, "petitboot,timeout", val);
 	if (tmp)
 		talloc_free(tmp);
 
+	val = config->lang ?: "";
+	update_string_config(platform, "petitboot,language", val);
+
+	if (config->allow_writes == defaults->allow_writes)
+		val = "";
+	else
+		val = config->allow_writes ? "true" : "false";
+	update_string_config(platform, "petitboot,write?", val);
+
+	if (!config->manual_console) {
+		val = config->boot_console ?: "";
+		update_string_config(platform, "petitboot,console", val);
+	}
+
+	val = config->http_proxy ?: "";
+	update_string_config(platform, "petitboot,http_proxy", val);
+	val = config->https_proxy ?: "";
+	update_string_config(platform, "petitboot,https_proxy", val);
+
 	update_network_config(platform, config);
 
+	update_bootdev_config(platform, config);
+
 	return write_nvram(platform);
 }
 
+static void set_ipmi_bootdev(struct config *config, enum ipmi_bootdev bootdev,
+		bool persistent)
+{
+	config->ipmi_bootdev = bootdev;
+	config->ipmi_bootdev_persistent = persistent;
+
+	if (bootdev == IPMI_BOOTDEV_SAFE)
+		config->safe_mode = true;
+}
+
+static int read_bootdev_sysparam(const char *name, uint8_t *val)
+{
+	uint8_t buf[2];
+	char path[50];
+	int fd, rc;
+
+	assert(strlen(sysparams_dir) + strlen(name) < sizeof(path));
+	snprintf(path, sizeof(path), "%s%s", sysparams_dir, name);
+
+	fd = open(path, O_RDONLY);
+	if (fd < 0) {
+		pb_debug("powerpc: can't access sysparam %s\n",
+				name);
+		return -1;
+	}
+
+	rc = read(fd, buf, sizeof(buf));
+
+	close(fd);
+
+	/* bootdev definitions should only be one byte in size */
+	if (rc != 1) {
+		pb_debug("powerpc: sysparam %s read returned %d\n",
+				name, rc);
+		return -1;
+	}
+
+	pb_debug("powerpc: sysparam %s: 0x%02x\n", name, buf[0]);
+
+	if (!ipmi_bootdev_is_valid(buf[0]))
+		return -1;
+
+	*val = buf[0];
+	return 0;
+}
+
+static int write_bootdev_sysparam(const char *name, uint8_t val)
+{
+	char path[50];
+	int fd, rc;
+
+	assert(strlen(sysparams_dir) + strlen(name) < sizeof(path));
+	snprintf(path, sizeof(path), "%s%s", sysparams_dir, name);
+
+	fd = open(path, O_WRONLY);
+	if (fd < 0) {
+		pb_debug("powerpc: can't access sysparam %s for writing\n",
+				name);
+		return -1;
+	}
+
+	for (;;) {
+		errno = 0;
+		rc = write(fd, &val, sizeof(val));
+		if (rc == sizeof(val)) {
+			rc = 0;
+			break;
+		}
+
+		if (rc <= 0 && errno != EINTR) {
+			pb_log("powerpc: error updating sysparam %s: %s",
+					name, strerror(errno));
+			rc = -1;
+			break;
+		}
+	}
+
+	close(fd);
+
+	if (!rc)
+		pb_debug("powerpc: set sysparam %s: 0x%02x\n", name, val);
+
+	return rc;
+}
+
+static int clear_ipmi_bootdev_sysparams(
+		struct platform_powerpc *platform __attribute__((unused)),
+		bool persistent)
+{
+	if (persistent) {
+		/* invalidate default-boot-device setting */
+		write_bootdev_sysparam("default-boot-device", 0xff);
+	} else {
+		/* invalidate next-boot-device setting */
+		write_bootdev_sysparam("next-boot-device", 0xff);
+	}
+	return 0;
+}
+
+static int get_ipmi_bootdev_sysparams(
+		struct platform_powerpc *platform __attribute__((unused)),
+		uint8_t *bootdev, bool *persistent)
+{
+	uint8_t next_bootdev, default_bootdev;
+	bool next_valid, default_valid;
+	int rc;
+
+	rc = read_bootdev_sysparam("next-boot-device", &next_bootdev);
+	next_valid = rc == 0;
+
+	rc = read_bootdev_sysparam("default-boot-device", &default_bootdev);
+	default_valid = rc == 0;
+
+	/* nothing valid? no need to change the config */
+	if (!next_valid && !default_valid)
+		return -1;
+
+	*persistent = !next_valid;
+	*bootdev = next_valid ? next_bootdev : default_bootdev;
+	return 0;
+}
+
+static int clear_ipmi_bootdev_ipmi(struct platform_powerpc *platform,
+				   bool persistent __attribute__((unused)))
+{
+	uint16_t resp_len;
+	uint8_t resp[1];
+	uint8_t req[] = {
+		0x05, /* parameter selector: boot flags */
+		0x80, /* data 1: valid */
+		0x00, /* data 2: bootdev: no override */
+		0x00, /* data 3: system defaults */
+		0x00, /* data 4: no request for shared mode, mux defaults */
+		0x00, /* data 5: no instance request */
+	};
+
+	resp_len = sizeof(resp);
+
+	ipmi_transaction(platform->ipmi, IPMI_NETFN_CHASSIS,
+			IPMI_CMD_CHASSIS_SET_SYSTEM_BOOT_OPTIONS,
+			req, sizeof(req),
+			resp, &resp_len,
+			ipmi_timeout);
+	return 0;
+}
+
+static int get_ipmi_bootdev_ipmi(struct platform_powerpc *platform,
+		uint8_t *bootdev, bool *persistent)
+{
+	uint16_t resp_len;
+	uint8_t resp[8];
+	int rc;
+	uint8_t req[] = {
+		0x05, /* parameter selector: boot flags */
+		0x00, /* no set selector */
+		0x00, /* no block selector */
+	};
+
+	resp_len = sizeof(resp);
+	rc = ipmi_transaction(platform->ipmi, IPMI_NETFN_CHASSIS,
+			IPMI_CMD_CHASSIS_GET_SYSTEM_BOOT_OPTIONS,
+			req, sizeof(req),
+			resp, &resp_len,
+			ipmi_timeout);
+	if (rc) {
+		pb_log("platform: error reading IPMI boot options\n");
+		return -1;
+	}
+
+	if (resp_len != sizeof(resp)) {
+		pb_log("platform: unexpected length (%d) in "
+				"boot options response\n", resp_len);
+		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]);
+		return -1;
+	}
+
+	/* check for correct parameter version */
+	if ((resp[1] & 0xf) != 0x1) {
+		pb_log("platform: unexpected version (0x%x) in "
+				"boot options response\n", resp[0]);
+		return -1;
+	}
+
+	/* check for valid paramters */
+	if (resp[2] & 0x80) {
+		pb_debug("platform: boot options are invalid/locked\n");
+		return -1;
+	}
+
+	*persistent = false;
+
+	/* check for valid flags */
+	if (!(resp[3] & 0x80)) {
+		pb_debug("platform: boot flags are invalid, ignoring\n");
+		return -1;
+	}
+
+	*persistent = resp[3] & 0x40;
+	*bootdev = (resp[4] >> 2) & 0x0f;
+	return 0;
+}
+
+static int set_ipmi_os_boot_sensor(struct platform_powerpc *platform)
+{
+	int sensor_number;
+	uint16_t resp_len;
+	uint8_t resp[1];
+	uint8_t req[] = {
+		0x00, /* sensor number: os boot */
+		0xA9, /* operation: set everything */
+		0x00, /* sensor reading: none */
+		0x40, /* assertion mask lsb: set state 6 */
+		0x00, /* assertion mask msb: none */
+		0x00, /* deassertion mask lsb: none */
+		0x00, /* deassertion mask msb: none */
+		0x00, /* event data 1: none */
+		0x00, /* event data 2: none */
+		0x00, /* event data 3: none */
+	};
+
+	sensor_number = get_ipmi_sensor(platform, IPMI_SENSOR_ID_OS_BOOT);
+	if (sensor_number < 0) {
+		pb_log("Couldn't find OS boot sensor in device tree\n");
+		return -1;
+	}
+
+	req[0] = sensor_number;
+
+	resp_len = sizeof(resp);
+
+	ipmi_transaction(platform->ipmi, IPMI_NETFN_SE,
+			IPMI_CMD_SENSOR_SET,
+			req, sizeof(req),
+			resp, &resp_len,
+			ipmi_timeout); return 0;
+
+	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;
+	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 == 12 || 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);
+		/* rev1.rev2.aux_revision */
+		info->bmc_current[2] = talloc_asprintf(info,
+				"Firmware version: %u.%02u",
+				resp[3], bcd);
+		if (resp_len == 16) {
+			info->bmc_current[2] = talloc_asprintf_append(
+					info->bmc_current[2],
+					".%02x%02x%02x%02x",
+					resp[12], resp[13], resp[14], resp[15]);
+		}
+		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 == 12 || 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);
+		/* rev1.rev2.aux_revision */
+		info->bmc_golden[2] = talloc_asprintf(info,
+				"Firmware version: %u.%02u",
+				resp[3], bcd);
+		if (resp_len == 16) {
+			info->bmc_golden[2] = talloc_asprintf_append(
+					info->bmc_golden[2],
+					".%02x%02x%02x%02x",
+					resp[12], resp[13], resp[14], resp[15]);
+		}
+		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];
+	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_CHASSIS,
+			IPMI_CMD_CHASSIS_GET_SYSTEM_BOOT_OPTIONS,
+			req, sizeof(req),
+			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");
+	}
+
+	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("%s: Incorrect cookie %x\n", __func__, 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, config);
+		rc = write_nvram(platform);
+		if (rc)
+			pb_log("platform: Failed to save persistent interface override\n");
+	}
+}
+
+static void 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)
 {
 	struct platform_powerpc *platform = to_platform_powerpc(p);
@@ -511,10 +1259,25 @@ static int load_config(struct platform *p, struct config *config)
 
 	rc = parse_nvram(platform);
 	if (rc)
-		return rc;
+		pb_log("%s: Failed to parse nvram\n", __func__);
 
 	populate_config(platform, config);
 
+	if (platform->get_ipmi_bootdev) {
+		bool bootdev_persistent;
+		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);
+		}
+	}
+
+	if (platform->ipmi)
+		get_ipmi_network_override(platform, config);
+
+	get_active_consoles(config);
+
 	return 0;
 }
 
@@ -533,13 +1296,56 @@ static int save_config(struct platform *p, struct config *config)
 	return rc;
 }
 
+static void pre_boot(struct platform *p, const struct config *config)
+{
+	struct platform_powerpc *platform = to_platform_powerpc(p);
+
+	if (!config->ipmi_bootdev_persistent && platform->clear_ipmi_bootdev)
+		platform->clear_ipmi_bootdev(platform, false);
+
+	if (platform->set_os_boot_sensor)
+		platform->set_os_boot_sensor(platform);
+}
+
+static int get_sysinfo(struct platform *p, struct system_info *sysinfo)
+{
+	struct platform_powerpc *platform = p->platform_data;
+	char *buf, *filename;
+	int len, rc;
+
+	filename = talloc_asprintf(platform, "%smodel", devtree_dir);
+	rc = read_file(platform, filename, &buf, &len);
+	if (rc == 0)
+		sysinfo->type = talloc_steal(sysinfo, buf);
+	talloc_free(filename);
+
+	filename = talloc_asprintf(platform, "%ssystem-id", devtree_dir);
+	rc = read_file(platform, filename, &buf, &len);
+	if (rc == 0)
+		sysinfo->identifier = talloc_steal(sysinfo, buf);
+	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->get_platform_versions)
+		platform->get_platform_versions(sysinfo);
+
+	return 0;
+}
+
 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 and a working nvram binary */
+	/* we need a device tree */
 	rc = stat("/proc/device-tree", &statbuf);
 	if (rc)
 		return false;
@@ -547,22 +1353,43 @@ static bool probe(struct platform *p, void *ctx)
 	if (!S_ISDIR(statbuf.st_mode))
 		return false;
 
-	rc = process_run_simple(ctx, "nvram", "--print-config", NULL);
-	if (!WIFEXITED(rc) || WEXITSTATUS(rc) != 0)
-		return false;
-
-	platform = talloc(ctx, struct platform_powerpc);
+	platform = talloc_zero(ctx, struct platform_powerpc);
 	list_init(&platform->params);
 
 	p->platform_data = platform;
+
+	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;
+		platform->clear_ipmi_bootdev = clear_ipmi_bootdev_ipmi;
+		platform->set_os_boot_sensor = set_ipmi_os_boot_sensor;
+	} else if (!stat(sysparams_dir, &statbuf)) {
+		pb_debug("platform: using sysparams for IPMI paramters\n");
+		platform->get_ipmi_bootdev = get_ipmi_bootdev_sysparams;
+		platform->clear_ipmi_bootdev = clear_ipmi_bootdev_sysparams;
+
+	} else {
+		pb_log("platform: no IPMI parameter support\n");
+	}
+
+	if (bmc_present)
+		platform->get_platform_versions = hostboot_load_versions;
+
 	return true;
 }
 
+
 static struct platform platform_powerpc = {
-	.name		= "powerpc",
-	.probe		= probe,
-	.load_config	= load_config,
-	.save_config	= save_config,
+	.name			= "powerpc",
+	.dhcp_arch_id		= 0x000e,
+	.probe			= probe,
+	.load_config		= load_config,
+	.save_config		= save_config,
+	.pre_boot		= pre_boot,
+	.get_sysinfo		= get_sysinfo,
 };
 
 register_platform(platform_powerpc);