Add support for IPMI GetChassisStatus command
* Factor response to explicitly commented fields
* Add GetChassisStatus command to whilelist
Note: some fields need furture work.
Resolves openbmc/openbmc#439
Change-Id: I7a8d6bfe384f2621c157db379680921db4756fcc
Signed-off-by: Nan Li <william.bjlinan@hotmail.com>
diff --git a/chassishandler.cpp b/chassishandler.cpp
index a20d062..6d5a5fd 100644
--- a/chassishandler.cpp
+++ b/chassishandler.cpp
@@ -65,6 +65,14 @@
uint8_t bridge_dev_addr;
}__attribute__((packed)) ipmi_chassis_cap_t;
+typedef struct
+{
+ uint8_t cur_power_state;
+ uint8_t last_power_event;
+ uint8_t misc_power_state;
+ uint8_t front_panel_button_cap_status;
+}__attribute__((packed)) ipmi_get_chassis_status_t;
+
int dbus_get_property(const char *name, char **buf)
{
sd_bus_error error = SD_BUS_ERROR_NULL;
@@ -603,6 +611,178 @@
return rc;
}
+struct hostPowerPolicyTypeMap_t {
+ uint8_t policyNum;
+ char policyName[19];
+};
+
+hostPowerPolicyTypeMap_t g_hostPowerPolicyTypeMap_t[] = {
+
+ {0x00, "LEAVE_OFF"},
+ {0x01, "RESTORE_LAST_STATE"},
+ {0x02, "ALWAYS_POWER_ON"},
+ {0x03, "UNKNOWN"}
+};
+
+uint8_t get_host_power_policy(char *p) {
+
+ hostPowerPolicyTypeMap_t *s = g_hostPowerPolicyTypeMap_t;
+
+ while (s->policyNum != 0x03) {
+ if (!strcmp(s->policyName,p))
+ break;
+ s++;
+ }
+
+ return s->policyNum;
+}
+
+//----------------------------------------------------------------------
+// Get Chassis Status commands
+//----------------------------------------------------------------------
+ipmi_ret_t ipmi_get_chassis_status(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+ ipmi_request_t request, ipmi_response_t response,
+ ipmi_data_len_t data_len, ipmi_context_t context)
+{
+ const char *objname = "/org/openbmc/control/power0";
+ const char *intf = "org.openbmc.control.Power";
+
+ sd_bus *bus = NULL;
+ sd_bus_message *reply = NULL;
+ int r = 0;
+ int pgood = 0;
+ char *busname = NULL;
+ ipmi_ret_t rc = IPMI_CC_OK;
+ ipmi_get_chassis_status_t chassis_status{};
+
+ char *p = NULL;
+ uint8_t s = 0;
+
+ // Get the system bus where most system services are provided.
+ bus = ipmid_get_sd_bus_connection();
+
+ *data_len = 4;
+
+ r = mapper_get_service(bus, objname, &busname);
+ if (r < 0) {
+ fprintf(stderr, "Failed to get bus name, return value: %s.\n", strerror(-r));
+ rc = IPMI_CC_UNSPECIFIED_ERROR;
+ goto finish;
+ }
+
+ r = sd_bus_get_property(bus, busname, objname, intf, "pgood", NULL, &reply, "i");
+ if (r < 0) {
+ fprintf(stderr, "Failed to call sd_bus_get_property:%d, %s\n", r, strerror(-r));
+ fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n",
+ busname, objname, intf);
+ rc = IPMI_CC_UNSPECIFIED_ERROR;
+ goto finish;
+ }
+
+ r = sd_bus_message_read(reply, "i", &pgood);
+ if (r < 0) {
+ fprintf(stderr, "Failed to read sensor: %s\n", strerror(-r));
+ rc = IPMI_CC_UNSPECIFIED_ERROR;
+ goto finish;
+ }
+
+ printf("pgood is 0x%02x\n", pgood);
+
+ // Get Power Policy
+ r = dbus_get_property("power_policy",&p);
+
+ if (r < 0) {
+ fprintf(stderr, "Dbus get property(power_policy) failed for get_sys_boot_options.\n");
+ rc = IPMI_CC_UNSPECIFIED_ERROR;
+ } else {
+ s = get_host_power_policy(p);
+ }
+
+ if (p)
+ {
+ free(p);
+ p = NULL;
+ }
+
+ // Current Power State
+ // [7] reserved
+ // [6..5] power restore policy
+ // 00b = chassis stays powered off after AC/mains returns
+ // 01b = after AC returns, power is restored to the state that was
+ // in effect when AC/mains was lost.
+ // 10b = chassis always powers up after AC/mains returns
+ // 11b = unknow
+ // Set to 00b, by observing the hardware behavior.
+ // Do we need to define a dbus property to identify the restore policy?
+
+ // [4] power control fault
+ // 1b = controller attempted to turn system power on or off, but
+ // system did not enter desired state.
+ // Set to 0b, since We don't support it..
+
+ // [3] power fault
+ // 1b = fault detected in main power subsystem.
+ // set to 0b. for we don't support it.
+
+ // [2] 1b = interlock (chassis is presently shut down because a chassis
+ // panel interlock switch is active). (IPMI 1.5)
+ // set to 0b, for we don't support it.
+
+ // [1] power overload
+ // 1b = system shutdown because of power overload condition.
+ // set to 0b, for we don't support it.
+
+ // [0] power is on
+ // 1b = system power is on
+ // 0b = system power is off(soft-off S4/S5, or mechanical off)
+
+ chassis_status.cur_power_state = ((s & 0x3)<<5) | (pgood & 0x1);
+
+ // Last Power Event
+ // [7..5] – reserved
+ // [4] – 1b = last ‘Power is on’ state was entered via IPMI command
+ // [3] – 1b = last power down caused by power fault
+ // [2] – 1b = last power down caused by a power interlock being activated
+ // [1] – 1b = last power down caused by a Power overload
+ // [0] – 1b = AC failed
+ // set to 0x0, for we don't support these fields.
+
+ chassis_status.last_power_event = 0;
+
+ // Misc. Chassis State
+ // [7] – reserved
+ // [6] – 1b = Chassis Identify command and state info supported (Optional)
+ // 0b = Chassis Identify command support unspecified via this command.
+ // (The Get Command Support command , if implemented, would still
+ // indicate support for the Chassis Identify command)
+ // [5..4] – Chassis Identify State. Mandatory when bit[6] =1b, reserved (return
+ // as 00b) otherwise. Returns the present chassis identify state.
+ // Refer to the Chassis Identify command for more info.
+ // 00b = chassis identify state = Off
+ // 01b = chassis identify state = Temporary(timed) On
+ // 10b = chassis identify state = Indefinite On
+ // 11b = reserved
+ // [3] – 1b = Cooling/fan fault detected
+ // [2] – 1b = Drive Fault
+ // [1] – 1b = Front Panel Lockout active (power off and reset via chassis
+ // push-buttons disabled.)
+ // [0] – 1b = Chassis Intrusion active
+ // set to 0, for we don't support them.
+ chassis_status.misc_power_state = 0;
+
+ // Front Panel Button Capabilities and disable/enable status(Optional)
+ // set to 0, for we don't support them.
+ chassis_status.front_panel_button_cap_status = 0;
+
+ // Pack the actual response
+ memcpy(response, &chassis_status, *data_len);
+
+finish:
+ free(busname);
+ reply = sd_bus_message_unref(reply);
+
+ return rc;
+}
//----------------------------------------------------------------------
// Chassis Control commands
@@ -869,6 +1049,9 @@
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_GET_SYS_BOOT_OPTIONS);
ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_GET_SYS_BOOT_OPTIONS, NULL, ipmi_chassis_get_sys_boot_options);
+ printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_CHASSIS_STATUS);
+ ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_CHASSIS_STATUS, NULL, ipmi_get_chassis_status);
+
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_CHASSIS_CONTROL);
ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_CHASSIS_CONTROL, NULL, ipmi_chassis_control);