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-rw-r--r--discover/platform-powerpc.c202
1 files changed, 53 insertions, 149 deletions
diff --git a/discover/platform-powerpc.c b/discover/platform-powerpc.c
index 87ff72e..1ae96ac 100644
--- a/discover/platform-powerpc.c
+++ b/discover/platform-powerpc.c
@@ -14,6 +14,7 @@
#include <talloc/talloc.h>
#include <list/list.h>
#include <log/log.h>
+#include <param_list/param_list.h>
#include <process/process.h>
#include <types/types.h>
#include <url/url.h>
@@ -27,15 +28,8 @@ static const char *partition = "common";
static const char *sysparams_dir = "/sys/firmware/opal/sysparams/";
static const char *devtree_dir = "/proc/device-tree/";
-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)(
@@ -49,39 +43,9 @@ struct platform_powerpc {
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)
-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)
{
@@ -110,7 +74,6 @@ 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');
@@ -130,16 +93,13 @@ 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;
@@ -189,7 +149,7 @@ 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)
@@ -215,43 +175,6 @@ 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;
@@ -277,8 +200,7 @@ static int parse_hwaddr(struct interface_config *ifconf, char *str)
return 0;
}
-static int parse_one_interface_config(struct config *config,
- char *confstr)
+static int parse_one_interface_config(struct config *config, char *confstr)
{
struct interface_config *ifconf;
char *tok, *tok_gw, *tok_url, *saveptr;
@@ -352,8 +274,7 @@ out_err:
return -1;
}
-static int parse_one_dns_config(struct config *config,
- char *confstr)
+static int parse_one_dns_config(struct config *config, char *confstr)
{
char *tok, *saveptr = NULL;
@@ -373,14 +294,11 @@ static int parse_one_dns_config(struct config *config,
return 0;
}
-static void populate_network_config(struct platform_powerpc *platform,
- struct config *config)
+static void populate_network_config(struct config *config, const char *cval)
{
char *val, *saveptr = NULL;
- const char *cval;
int i;
- cval = get_param(platform, "petitboot,network");
if (!cval || !strlen(cval))
return;
@@ -445,8 +363,8 @@ static int read_bootdev(void *ctx, char **pos, struct autoboot_option *opt)
return rc;
}
-static void populate_bootdev_config(struct platform_powerpc *platform,
- struct config *config)
+static void populate_bootdev_config(struct config *config,
+ const struct param_list *pl)
{
struct autoboot_option *opt, *new = NULL;
char *pos, *end;
@@ -454,7 +372,7 @@ static void populate_bootdev_config(struct platform_powerpc *platform,
const char *val;
/* Check for ordered bootdevs */
- val = get_param(platform, "petitboot,bootdevs");
+ val = param_list_get_value(pl, "petitboot,bootdevs");
if (!val || !strlen(val)) {
pos = end = NULL;
} else {
@@ -494,8 +412,7 @@ static void populate_bootdev_config(struct platform_powerpc *platform,
config->n_autoboot_opts = n_new;
}
-static void populate_config(struct platform_powerpc *platform,
- struct config *config)
+static void populate_config(struct config *config, const struct param_list *pl)
{
const char *val;
char *end;
@@ -503,10 +420,10 @@ static void populate_config(struct platform_powerpc *platform,
/* if the "auto-boot?' property is present and "false", disable auto
* boot */
- val = get_param(platform, "auto-boot?");
+ val = param_list_get_value(pl, "auto-boot?");
config->autoboot_enabled = !val || strcmp(val, "false");
- val = get_param(platform, "petitboot,timeout");
+ val = param_list_get_value(pl, "petitboot,timeout");
if (val) {
timeout = strtoul(val, &end, 10);
if (end != val) {
@@ -516,37 +433,38 @@ static void populate_config(struct platform_powerpc *platform,
}
}
- val = get_param(platform, "petitboot,language");
+ val = param_list_get_value(pl, "petitboot,language");
config->lang = val ? talloc_strdup(config, val) : NULL;
- populate_network_config(platform, config);
+ val = param_list_get_value(pl, "petitboot,network");
+ populate_network_config(config, val);
- populate_bootdev_config(platform, config);
+ populate_bootdev_config(config, pl);
if (!config->debug) {
- val = get_param(platform, "petitboot,debug?");
+ val = param_list_get_value(pl, "petitboot,debug?");
config->debug = val && !strcmp(val, "true");
}
- val = get_param(platform, "petitboot,write?");
+ val = param_list_get_value(pl, "petitboot,write?");
if (val)
config->allow_writes = !strcmp(val, "true");
- val = get_param(platform, "petitboot,snapshots?");
+ val = param_list_get_value(pl, "petitboot,snapshots?");
if (val)
config->disable_snapshots = !strcmp(val, "false");
- val = get_param(platform, "petitboot,console");
+ val = param_list_get_value(pl, "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");
+ val = param_list_get_value(pl, "petitboot,http_proxy");
if (val)
config->http_proxy = talloc_strdup(config, val);
- val = get_param(platform, "petitboot,https_proxy");
+ val = param_list_get_value(pl, "petitboot,https_proxy");
if (val)
config->https_proxy = talloc_strdup(config, val);
}
@@ -594,22 +512,8 @@ 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,
- const char *param_name, const 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;
@@ -623,10 +527,10 @@ static void update_network_config(struct platform_powerpc *platform,
config->network.interfaces[0]->override)
return;
- val = talloc_strdup(platform, "");
+ val = talloc_strdup(pl, "");
for (i = 0; i < config->network.n_interfaces; i++) {
- char *iface_str = iface_config_str(platform,
+ char *iface_str = iface_config_str(pl,
config->network.interfaces[i]);
val = talloc_asprintf_append(val, "%s%s",
*val == '\0' ? "" : " ", iface_str);
@@ -634,7 +538,7 @@ 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",
@@ -642,13 +546,12 @@ static void update_network_config(struct platform_powerpc *platform,
talloc_free(dns_str);
}
- update_string_config(platform, param_name, val);
-
+ param_list_set_non_empty(pl, param_name, val, true);
talloc_free(val);
}
-static void update_bootdev_config(struct platform_powerpc *platform,
- const char *param_name, const 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;
struct autoboot_option *opt;
@@ -674,14 +577,14 @@ static void update_bootdev_config(struct platform_powerpc *platform,
tmp = val = talloc_asprintf_append(val, "%s", boot_str);
}
- update_string_config(platform, param_name, val);
+ param_list_set_non_empty(pl, param_name, val, true);
talloc_free(tmp);
if (boot_str)
talloc_free(boot_str);
}
-static void 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;
@@ -690,40 +593,40 @@ static void 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);
- 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);
if (!config->manual_console) {
val = config->boot_console ?: "";
- update_string_config(platform, "petitboot,console", val);
+ param_list_set_non_empty(pl, "petitboot,console", val, true);
}
val = config->http_proxy ?: "";
- update_string_config(platform, "petitboot,http_proxy", val);
+ param_list_set_non_empty(pl, "petitboot,http_proxy", val, true);
val = config->https_proxy ?: "";
- update_string_config(platform, "petitboot,https_proxy", val);
-
- update_network_config(platform, "petitboot,network", config);
+ param_list_set_non_empty(pl, "petitboot,https_proxy", val, true);
- update_bootdev_config(platform, "petitboot,bootdevs", config);
+ 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,
@@ -1071,7 +974,8 @@ static void get_ipmi_network_override(struct platform_powerpc *platform,
if (!rc && persistent) {
/* Write this new config to NVRAM */
- update_network_config(platform, "petitboot,network", config);
+ update_network_config(&platform->params, "petitboot,network",
+ config);
rc = write_nvram(platform);
if (rc)
pb_log("platform: Failed to save persistent interface override\n");
@@ -1120,7 +1024,7 @@ static int load_config(struct platform *p, struct config *config)
if (rc)
pb_log_fn("Failed to parse nvram\n");
- populate_config(platform, config);
+ populate_config(config, &platform->params);
if (platform->get_ipmi_bootdev) {
bool bootdev_persistent;
@@ -1156,7 +1060,7 @@ static int save_config(struct platform *p, struct config *config)
defaults = talloc_zero(platform, struct config);
config_set_defaults(defaults);
- update_config(platform, config, defaults);
+ update_config(&platform->params, config, defaults);
talloc_free(defaults);
return write_nvram(platform);
@@ -1220,7 +1124,7 @@ 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;
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