meta-quanta/meta-gbs/recipes-phosphor/ipmi/phosphor-ipmi-host/0003-Update-IPMI-Chassis-Control-command-transition-reque.patch

From 291629d5c3e5bea31925c9d025688897c90eb783 Mon Sep 17 00:00:00 2001
From: "Jason M. Bills" <jason.m.bills@linux.intel.com>
Date: Thu, 30 Jan 2020 16:22:24 -0800
Subject: [PATCH 3/3] Update IPMI Chassis Control command transition requests

This change updates the IPMI Chassis Control command to use the new
host state transitions and chassis off transition based on the
mapping in the design document below.  This allows each chassis
control action to more closely follow the behavior defined in the
IPMI spec.

ref: https://gerrit.openbmc-project.xyz/c/openbmc/docs/+/22358

Tested:
Ran each IPMI chassis control command to confirm the expected
behavior:
ipmitool power on: system is powered-on using Host.On
ipmitool power off: system is forced off using Chassis.Off
ipmitool power cycle: system is forced off then powered-on using
                      Host.Reboot
ipmitool power reset: system is hard reset using Host.ForceWarmReboot
ipmitool power soft: soft power-off requested from system software
                     using Host.Off

Change-Id: Ieb42722102fde0e51a49dc4aaa3ff227a3394066
Signed-off-by: Jason M. Bills <jason.m.bills@linux.intel.com>
---
 chassishandler.cpp | 121 ++-------------------------------------------
 1 file changed, 5 insertions(+), 116 deletions(-)

diff --git a/chassishandler.cpp b/chassishandler.cpp
index af9cba72..663081de 100644
--- a/chassishandler.cpp
+++ b/chassishandler.cpp
@@ -1301,76 +1301,6 @@ ipmi::RspType<uint4_t, // Restart Cause
     return ipmi::responseSuccess(cause.value(), reserved, channel);
 }
 
-//-------------------------------------------------------------
-// Send a command to SoftPowerOff application to stop any timer
-//-------------------------------------------------------------
-int stop_soft_off_timer()
-{
-    constexpr auto iface = "org.freedesktop.DBus.Properties";
-    constexpr auto soft_off_iface = "xyz.openbmc_project.Ipmi.Internal."
-                                    "SoftPowerOff";
-
-    constexpr auto property = "ResponseReceived";
-    constexpr auto value = "xyz.openbmc_project.Ipmi.Internal."
-                           "SoftPowerOff.HostResponse.HostShutdown";
-
-    // Get the system bus where most system services are provided.
-    auto bus = ipmid_get_sd_bus_connection();
-
-    // Get the service name
-    // TODO openbmc/openbmc#1661 - Mapper refactor
-    //
-    // See openbmc/openbmc#1743 for some details but high level summary is that
-    // for now the code will directly call the soft off interface due to a
-    // race condition with mapper usage
-    //
-    // char *busname = nullptr;
-    // auto r = mapper_get_service(bus, SOFTOFF_OBJPATH, &busname);
-    // if (r < 0)
-    //{
-    //    fprintf(stderr, "Failed to get %s bus name: %s\n",
-    //            SOFTOFF_OBJPATH, -r);
-    //    return r;
-    //}
-
-    // No error object or reply expected.
-    int rc = sd_bus_call_method(bus, SOFTOFF_BUSNAME, SOFTOFF_OBJPATH, iface,
-                                "Set", nullptr, nullptr, "ssv", soft_off_iface,
-                                property, "s", value);
-    if (rc < 0)
-    {
-        log<level::ERR>("Failed to set property in SoftPowerOff object",
-                        entry("ERRNO=0x%X", -rc));
-    }
-
-    // TODO openbmc/openbmc#1661 - Mapper refactor
-    // free(busname);
-    return rc;
-}
-
-//----------------------------------------------------------------------
-// Create file to indicate there is no need for softoff notification to host
-//----------------------------------------------------------------------
-void indicate_no_softoff_needed()
-{
-    fs::path path{HOST_INBAND_REQUEST_DIR};
-    if (!fs::is_directory(path))
-    {
-        fs::create_directory(path);
-    }
-
-    // Add the host instance (default 0 for now) to the file name
-    std::string file{HOST_INBAND_REQUEST_FILE};
-    auto size = std::snprintf(nullptr, 0, file.c_str(), 0);
-    size++; // null
-    std::unique_ptr<char[]> buf(new char[size]);
-    std::snprintf(buf.get(), size, file.c_str(), 0);
-
-    // Append file name to directory and create it
-    path /= buf.get();
-    std::ofstream(path.c_str());
-}
-
 /** @brief Implementation of chassis control command
  *
  *  @param - chassisControl command byte
@@ -1386,60 +1316,19 @@ ipmi::RspType<> ipmiChassisControl(uint8_t chassisControl)
             rc = initiateHostStateTransition(State::Host::Transition::On);
             break;
         case CMD_POWER_OFF:
-            // This path would be hit in 2 conditions.
-            // 1: When user asks for power off using ipmi chassis command 0x04
-            // 2: Host asking for power off post shutting down.
-
-            // If it's a host requested power off, then need to nudge Softoff
-            // application that it needs to stop the watchdog timer if running.
-            // If it is a user requested power off, then this is not really
-            // needed. But then we need to differentiate between user and host
-            // calling this same command
-
-            // For now, we are going ahead with trying to nudge the soft off and
-            // interpret the failure to do so as a non softoff case
-            rc = stop_soft_off_timer();
-
-            // Only request the Off transition if the soft power off
-            // application is not running
-            if (rc < 0)
-            {
-                // First create a file to indicate to the soft off application
-                // that it should not run. Not doing this will result in State
-                // manager doing a default soft power off when asked for power
-                // off.
-                indicate_no_softoff_needed();
-
-                // Now request the shutdown
-                rc = initiateHostStateTransition(State::Host::Transition::Off);
-            }
-            else
-            {
-                log<level::INFO>("Soft off is running, so let shutdown target "
-                                 "stop the host");
-            }
+            rc =
+                initiateChassisStateTransition(State::Chassis::Transition::Off);
             break;
-
         case CMD_HARD_RESET:
+            rc = initiateHostStateTransition(
+                State::Host::Transition::ForceWarmReboot);
+            break;
         case CMD_POWER_CYCLE:
-            // SPEC has a section that says certain implementations can trigger
-            // PowerOn if power is Off when a command to power cycle is
-            // requested
-
-            // First create a file to indicate to the soft off application
-            // that it should not run since this is a direct user initiated
-            // power reboot request (i.e. a reboot request that is not
-            // originating via a soft power off SMS request)
-            indicate_no_softoff_needed();
-
             rc = initiateHostStateTransition(State::Host::Transition::Reboot);
             break;
-
         case CMD_SOFT_OFF_VIA_OVER_TEMP:
-            // Request Host State Manager to do a soft power off
             rc = initiateHostStateTransition(State::Host::Transition::Off);
             break;
-
         case CMD_PULSE_DIAGNOSTIC_INTR:
             rc = setNmiProperty(true);
             break;
-- 
2.21.0