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From 6d5a372e0cf98de4d97a88d2cd42a00b7a8f034f Mon Sep 17 00:00:00 2001
From: Yong Li <yong.b.li@linux.intel.com>
Date: Sun, 16 Sep 2018 21:32:38 +0800
Subject: [PATCH] Implement IPMI Commmand - Get Host Restart Cause.
It supports to track the information about what
action last caused the system to restart.
Return value includes: restart_cause and channel_number.
According to IPMI Spec, it includes 12 types as following:
1. Unknown 0x0
2. IpmiCommand 0x1
3. ResetButton 0x2
4. PowerButton 0x3
5. WatchdogTimer 0x4
6. OEM 0x5
7. PowerPolicyAlwaysOn 0x6
8. PowerPolicyPreviousState 0x7
9. PEF-Reset 0x8
10. PEF-PowerCycle 0x9
11. SoftReset 0xA
12. RTC-Wakeup 0xB
Change-Id: Id3b32e271b85b5fc4c69d5ca40227f8f9c08ce48
Signed-off-by: Kuiying Wang <kuiying.wang@intel.com>
Signed-off-by: Yong Li <yong.b.li@linux.intel.com>
---
chassishandler.cpp | 54 +++++++++++++++++++++++++++++++++++++++
chassishandler.hpp | 1 +
host-ipmid-whitelist.conf | 1 +
3 files changed, 56 insertions(+)
diff --git a/chassishandler.cpp b/chassishandler.cpp
index d20b220..8a8cb26 100644
--- a/chassishandler.cpp
+++ b/chassishandler.cpp
@@ -90,6 +90,11 @@ static constexpr auto chassisPOHStateIntf =
"xyz.openbmc_project.State.PowerOnHours";
static constexpr auto pOHCounterProperty = "POHCounter";
static constexpr auto match = "chassis0";
+const static constexpr char* stateHostInterface =
+ "xyz.openbmc_project.State.Host";
+const static constexpr char* hostRestartCauseInterface =
+ "xyz.openbmc_project.State.Host.HostRestartCause";
+const static constexpr char* hostRestartCause = "HostRestartCause";
const static constexpr char chassisCapIntf[] =
"xyz.openbmc_project.Control.ChassisCapabilities";
const static constexpr char chassisCapFlagsProp[] = "CapabilitiesFlags";
@@ -176,6 +181,13 @@ struct set_sys_boot_options_t
uint8_t data[SIZE_BOOT_OPTION];
} __attribute__((packed));
+struct GetSysRestartCauseResponse
+{
+ uint8_t restartCause;
+ uint8_t channelNum;
+
+} __attribute__((packed));
+
int getHostNetworkData(get_sys_boot_options_response_t* respptr)
{
ipmi::PropertyMap properties;
@@ -1584,6 +1596,44 @@ ipmi_ret_t ipmi_chassis_set_sys_boot_options(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
return rc;
}
+ipmi_ret_t ipmi_chassis_get_sys_restart_cause(
+ 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)
+{
+ ipmi_ret_t rc = IPMI_CC_OK;
+
+ GetSysRestartCauseResponse* resp = (GetSysRestartCauseResponse*)response;
+ std::fill(reinterpret_cast<uint8_t*>(resp),
+ reinterpret_cast<uint8_t*>(resp) + sizeof(*resp), 0);
+ if (*data_len != 0)
+ {
+ rc = IPMI_CC_REQ_DATA_LEN_INVALID;
+ return rc;
+ }
+
+ try
+ {
+ sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
+ ipmi::DbusObjectInfo hostObject =
+ ipmi::getDbusObject(bus, stateHostInterface);
+ ipmi::Value variant =
+ ipmi::getDbusProperty(bus, hostObject.second, hostObject.first,
+ hostRestartCauseInterface, hostRestartCause);
+ resp->restartCause = variant.get<uint8_t>();
+ }
+
+ catch (std::exception& e)
+ {
+ log<level::ERR>(e.what());
+ rc = IPMI_CC_UNSPECIFIED_ERROR;
+ return rc;
+ }
+ resp->channelNum = 0; // Fix to primary channel.
+ *data_len = sizeof(GetSysRestartCauseResponse);
+
+ return rc;
+}
+
/** @brief implements Get POH counter command
* @parameter
* - none
@@ -1739,4 +1789,8 @@ void register_netfn_chassis_functions()
ipmi::chassis::cmdSetPowerRestorePolicy,
ipmi::Privilege::Operator,
ipmiChassisSetPowerRestorePolicy);
+
+ // <get Host Restart Cause>
+ ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_GET_SYS_RESTART_CAUSE, NULL,
+ ipmi_chassis_get_sys_restart_cause, PRIVILEGE_USER);
}
diff --git a/chassishandler.hpp b/chassishandler.hpp
index 49b5ef8..2c42b11 100644
--- a/chassishandler.hpp
+++ b/chassishandler.hpp
@@ -17,6 +17,7 @@ enum ipmi_netfn_chassis_cmds
// Set Power Restore Policy
IPMI_CMD_SET_RESTORE_POLICY = 0x06,
// Get capability bits
+ IPMI_CMD_GET_SYS_RESTART_CAUSE = 0x07,
IPMI_CMD_SET_SYS_BOOT_OPTIONS = 0x08,
IPMI_CMD_GET_SYS_BOOT_OPTIONS = 0x09,
IPMI_CMD_GET_POH_COUNTER = 0x0F,
diff --git a/host-ipmid-whitelist.conf b/host-ipmid-whitelist.conf
index c1fca1d..94232de 100644
--- a/host-ipmid-whitelist.conf
+++ b/host-ipmid-whitelist.conf
@@ -4,6 +4,7 @@
0x00:0x02 //<Chassis>:<Chassis Control>
0x00:0x05 //<Chassis>:<Set Chassis Capabilities>
0x00:0x06 //<Chassis>:<Set Power Restore Policy>
+0x00:0x07 //<Chassis>:<Get System Restart Cause>
0x00:0x08 //<Chassis>:<Set System Boot Options>
0x00:0x09 //<Chassis>:<Get System Boot Options>
0x00:0x0F //<Chassis>:<Get POH Counter Command>
--
2.17.1
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