X-Git-Url: https://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=discover%2Fplatform-powerpc.c;h=19613045f60a4d94e592a07c98a120a0e1a39bd4;hp=46f81d201a403bec565bb735d728aa1e661fbcc1;hb=7b7c45a42d9a46e15109f1cbab460e0b97c53f57;hpb=d974c3c39237c8e94bb3a51d3511d18dea01043e diff --git a/discover/platform-powerpc.c b/discover/platform-powerpc.c index 46f81d2..1961304 100644 --- a/discover/platform-powerpc.c +++ b/discover/platform-powerpc.c @@ -8,6 +8,7 @@ #include #include #include +#include #include #include @@ -1023,6 +1024,197 @@ static void get_ipmi_bmc_mac(struct platform *p, uint8_t *buf) } 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 int load_config(struct platform *p, struct config *config) @@ -1046,6 +1238,9 @@ static int load_config(struct platform *p, struct config *config) } } + if (platform->ipmi) + get_ipmi_network_override(platform, config); + return 0; } @@ -1097,6 +1292,9 @@ static int get_sysinfo(struct platform *p, struct system_info *sysinfo) 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);