#include <sys/wait.h>
#include <sys/fcntl.h>
#include <sys/stat.h>
+#include <asm/byteorder.h>
#include <file/file.h>
#include <talloc/talloc.h>
"petitboot,debug?",
"petitboot,write?",
"petitboot,snapshots?",
+ "petitboot,console",
NULL,
};
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, '[');
}
static char *iface_config_str(void *ctx, struct interface_config *config)
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++) {
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);
+ }
+
update_network_config(platform, config);
update_bootdev_config(platform, config);
/* 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;
}
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.%05u",
+ 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];
+ 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)
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)) {
}
}
+ if (platform->ipmi)
+ get_ipmi_network_override(platform, config);
+
+ get_active_consoles(config);
+
return 0;
}
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);
{
struct platform_powerpc *platform;
struct stat statbuf;
+ bool bmc_present;
int rc;
/* we need a device tree */
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;
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;
projects / petitboot / blobdiff