discover: Add platform-dummy
[petitboot] / discover / ipmi.c
index e52070ffe4c8a78930a519b3e7f1664923eecfa3..840fdee5d6dada2e2bc959aaec340fefaa891040 100644 (file)
@@ -201,7 +201,7 @@ struct ipmi *ipmi_open(void *ctx)
        struct ipmi *ipmi;
        int fd;
 
-       fd = open(ipmi_devnode, O_RDWR);
+       fd = open(ipmi_devnode, O_RDWR | O_CLOEXEC);
        if (fd < 0) {
                pb_log("IPMI: can't open IPMI device %s: %m\n", ipmi_devnode);
                return NULL;
@@ -223,7 +223,7 @@ bool ipmi_present(void)
 
 /* Reads and applies an IPMI interface config override, which closely follows
  * the format of an interface config struct as described in lib/types */
-void parse_ipmi_interface_override(struct config *config, uint8_t *buf,
+int parse_ipmi_interface_override(struct config *config, uint8_t *buf,
                                uint16_t len)
 {
        struct interface_config *ifconf;
@@ -239,15 +239,15 @@ void parse_ipmi_interface_override(struct config *config, uint8_t *buf,
        i += sizeof(ipsize);
 
        if (!hwsize || !ipsize) {
-               pb_log("%s: Empty response\n", __func__);
-               return;
+               pb_log_fn("Empty response\n");
+               return -1;
        }
 
        /* At the moment only support 6-byte MAC addresses */
        if (hwsize != sizeof(ifconf->hwaddr)) {
                pb_log("Unsupported HW address size in network override: %u\n",
                       hwsize);
-               return;
+               return -1;
        }
 
        /* Sanity check the IP address size */
@@ -259,14 +259,14 @@ void parse_ipmi_interface_override(struct config *config, uint8_t *buf,
                addr_len = INET6_ADDRSTRLEN;
        } else {
                pb_log("Unsupported IP address size: %u\n", ipsize);
-               return;
+               return -1;
        }
 
        /* Everything past here is the interface config */
        ifconf = talloc_zero(config, struct interface_config);
        if (!ifconf) {
                pb_log("Failed to allocate network override\n");
-               return;
+               return -1;
        }
 
        /* Hardware Address */
@@ -281,7 +281,7 @@ void parse_ipmi_interface_override(struct config *config, uint8_t *buf,
                if (ipsize + ipsize  + 1 > len - i) {
                        pb_log("Expected data greater than buffer size\n");
                        talloc_free(ifconf);
-                       return;
+                       return -1;
                }
 
                /* IP address */
@@ -289,7 +289,7 @@ void parse_ipmi_interface_override(struct config *config, uint8_t *buf,
                if (!inet_ntop(addr_type, &buf[i], ipstr, addr_len)) {
                        pb_log("Failed to convert ipaddr: %m\n");
                        talloc_free(ifconf);
-                       return;
+                       return -1;
                }
                i += ipsize;
 
@@ -303,17 +303,143 @@ void parse_ipmi_interface_override(struct config *config, uint8_t *buf,
                if (!inet_ntop(addr_type, &buf[i], gatewaystr, addr_len)) {
                        pb_log("Failed to convert gateway: %m\n");
                        talloc_free(ifconf);
-                       return;
+                       return -1;
                }
                ifconf->static_config.gateway = gatewaystr;
                i += ipsize;
        }
 
-       pb_log("Applying IPMI network config\n");
+       ifconf->override = true;
+       pb_log("Applying IPMI network interface override\n");
 
        /* Replace any existing interface config */
        talloc_free(config->network.interfaces);
        config->network.n_interfaces = 1;
        config->network.interfaces = talloc(config, struct interface_config *);
        config->network.interfaces[0] = ifconf;
+
+       return 0;
+}
+
+void ipmi_get_bmc_mac(struct ipmi *ipmi, uint8_t *buf)
+{
+       uint16_t resp_len = 8;
+       uint8_t resp[8];
+       uint8_t req[] = { 0x1, 0x5, 0x0, 0x0 };
+       int i, rc;
+
+       rc = ipmi_transaction(ipmi, IPMI_NETFN_TRANSPORT,
+                       IPMI_CMD_TRANSPORT_GET_LAN_PARAMS,
+                       req, sizeof(req),
+                       resp, &resp_len,
+                       ipmi_timeout);
+
+       pb_debug_fn("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.
+ */
+void ipmi_get_bmc_versions(struct ipmi *ipmi, struct system_info *info)
+{
+       uint16_t resp_len = 16;
+       uint8_t resp[16], bcd;
+       int i, rc;
+
+       /* Retrieve info from current side */
+       rc = ipmi_transaction(ipmi, IPMI_NETFN_APP,
+                       IPMI_CMD_APP_GET_DEVICE_ID,
+                       NULL, 0,
+                       resp, &resp_len,
+                       ipmi_timeout);
+
+       pb_debug_fn("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_debug_fn("Failed to retrieve Device ID from IPMI\n");
+
+       /* Retrieve info from golden side */
+       memset(resp, 0, sizeof(resp));
+       resp_len = 16;
+       rc = ipmi_transaction(ipmi, IPMI_NETFN_AMI,
+                       IPMI_CMD_APP_GET_DEVICE_ID_GOLDEN,
+                       NULL, 0,
+                       resp, &resp_len,
+                       ipmi_timeout);
+
+       pb_debug_fn("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_debug_fn("Failed to retrieve Golden Device ID from IPMI\n");
+}
+