discover: Add ipmi module

[petitboot] / discover / platform-powerpc.c

diff --git a/discover/platform-powerpc.c b/discover/platform-powerpc.c
index d1d4191ede7df64f485e75d59e6826237d7525b7..e5dac9efcc8e4b2b8a8f7ef540fe78e5232e8e04 100644 (file)
--- a/discover/platform-powerpc.c
+++ b/discover/platform-powerpc.c
@@ -9,15 +9,18 @@
 #include <sys/fcntl.h>
 #include <sys/stat.h>
 
+#include <file/file.h>
 #include <talloc/talloc.h>
 #include <list/list.h>
 #include <log/log.h>
 #include <process/process.h>
 
 #include "platform.h"
+#include "ipmi.h"
 
 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;
@@ -34,6 +37,9 @@ static const char *known_params[] = {
        "auto-boot?",
        "petitboot,network",
        "petitboot,timeout",
+       "petitboot,bootdev",
+       "petitboot,language",
+       "petitboot,debug?",
        NULL,
 };
 
@@ -344,8 +350,8 @@ 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");
@@ -355,7 +361,7 @@ 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)
@@ -371,6 +377,32 @@ static void populate_network_config(struct platform_powerpc *platform,
        talloc_free(val);
 }
 
+static void populate_bootdev_config(struct platform_powerpc *platform,
+               struct config *config)
+
+{
+       const char *val;
+
+       config->boot_device = NULL;
+
+       val = get_param(platform, "petitboot,bootdev");
+       if (!val || !strlen(val))
+               return;
+
+       if (!strncmp(val, "uuid:", strlen("uuid:"))) {
+               config->boot_device = talloc_strdup(config,
+                                               val + strlen("uuid:"));
+
+       } else if (!strncmp(val, "mac:", strlen("mac:"))) {
+               config->boot_device = talloc_strdup(config,
+                                               val + strlen("mac:"));
+
+       } else {
+               pb_log("bootdev config is in an unknown format "
+                               "(expected uuid:... or mac:...)");
+       }
+}
+
 static void populate_config(struct platform_powerpc *platform,
                struct config *config)
 {
@@ -393,7 +425,17 @@ 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");
+       }
 }
 
 static char *iface_config_str(void *ctx, struct interface_config *config)
@@ -481,6 +523,21 @@ 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, *tmp = NULL;
+
+       if (!config->boot_device)
+               val = "";
+       else
+               tmp = val = talloc_asprintf(platform,
+                               "uuid:%s", config->boot_device);
+
+       update_string_config(platform, "petitboot,bootdev", val);
+       talloc_free(tmp);
+}
+
 static int update_config(struct platform_powerpc *platform,
                struct config *config, struct config *defaults)
 {
@@ -503,8 +560,13 @@ static int update_config(struct platform_powerpc *platform,
        if (tmp)
                talloc_free(tmp);
 
+       val = config->lang ?: "";
+       update_string_config(platform, "petitboot,language", val);
+
        update_network_config(platform, config);
 
+       update_bootdev_config(platform, config);
+
        return write_nvram(platform);
 }
 
@@ -521,15 +583,6 @@ static void set_exclusive_devtype(struct config *config,
        config->boot_priorities[1].priority = -1;
 }
 
-/* bootdev options that we recognise */
-enum ipmi_bootdev {
-       IPMI_BOOTDEV_NONE = 0x00,
-       IPMI_BOOTDEV_NETWORK = 0x01,
-       IPMI_BOOTDEV_DISK = 0x2,
-       IPMI_BOOTDEV_CDROM = 0x5,
-       IPMI_BOOTDEV_SETUP = 0x6,
-};
-
 static int read_bootdev_sysparam(const char *name, uint8_t *val)
 {
        uint8_t buf[2];
@@ -566,6 +619,7 @@ static int read_bootdev_sysparam(const char *name, uint8_t *val)
        case IPMI_BOOTDEV_NONE:
        case IPMI_BOOTDEV_NETWORK:
        case IPMI_BOOTDEV_DISK:
+       case IPMI_BOOTDEV_SAFE:
        case IPMI_BOOTDEV_CDROM:
        case IPMI_BOOTDEV_SETUP:
                *val = buf[0];
@@ -630,12 +684,8 @@ static void parse_opal_sysparams(struct config *config)
        if (!next_valid && !default_valid)
                return;
 
-       if (next_valid) {
-               /* invalidate next-boot-device setting */
-               write_bootdev_sysparam("next-boot-device", 0xff);
-       } else {
+       if (!next_valid)
                next_bootdev = default_bootdev;
-       }
 
        switch (next_bootdev) {
        case IPMI_BOOTDEV_NONE:
@@ -652,6 +702,10 @@ static void parse_opal_sysparams(struct config *config)
        case IPMI_BOOTDEV_SETUP:
                config->autoboot_enabled = false;
                break;
+       case IPMI_BOOTDEV_SAFE:
+               config->autoboot_enabled = false;
+               config->safe_mode = true;
+               break;
        }
 }
 
@@ -686,13 +740,40 @@ static int save_config(struct platform *p, struct config *config)
        return rc;
 }
 
+static void finalise_config(struct platform *platform __attribute__((unused)))
+{
+       /* invalidate next-boot-device setting */
+       write_bootdev_sysparam("next-boot-device", 0xff);
+}
+
+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);
+
+       return 0;
+}
+
 static bool probe(struct platform *p, void *ctx)
 {
        struct platform_powerpc *platform;
        struct stat statbuf;
        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;
@@ -700,10 +781,6 @@ 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);
        list_init(&platform->params);
 
@@ -711,12 +788,15 @@ static bool probe(struct platform *p, void *ctx)
        return true;
 }
 
+
 static struct platform platform_powerpc = {
-       .name           = "powerpc",
-       .dhcp_arch_id   = 0x000e,
-       .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,
+       .finalise_config        = finalise_config,
+       .get_sysinfo            = get_sysinfo,
 };
 
 register_platform(platform_powerpc);