1 #include "config.h"
2 
3 #include "host_state_manager.hpp"
4 #include "settings.hpp"
5 #include "utils.hpp"
6 #include "xyz/openbmc_project/Common/error.hpp"
7 #include "xyz/openbmc_project/Control/Power/RestorePolicy/server.hpp"
8 
9 #include <getopt.h>
10 #include <systemd/sd-bus.h>
11 
12 #include <phosphor-logging/elog-errors.hpp>
13 #include <phosphor-logging/lg2.hpp>
14 #include <sdbusplus/exception.hpp>
15 #include <sdbusplus/server.hpp>
16 
17 #include <iostream>
18 #include <map>
19 #include <string>
20 
21 namespace phosphor
22 {
23 namespace state
24 {
25 namespace manager
26 {
27 
28 PHOSPHOR_LOG2_USING;
29 
30 using namespace phosphor::logging;
31 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
32 using namespace sdbusplus::xyz::openbmc_project::Control::Power::server;
33 
34 } // namespace manager
35 } // namespace state
36 } // namespace phosphor
37 
38 int main(int argc, char** argv)
39 {
40     using namespace phosphor::logging;
41 
42     std::string hostPath = "/xyz/openbmc_project/state/host0";
43     int arg;
44     int optIndex = 0;
45 
46     static struct option longOpts[] = {{"host", required_argument, 0, 'h'},
47                                        {0, 0, 0, 0}};
48 
49     while ((arg = getopt_long(argc, argv, "h:", longOpts, &optIndex)) != -1)
50     {
51         switch (arg)
52         {
53             case 'h':
54                 hostPath =
55                     std::string("/xyz/openbmc_project/state/host") + optarg;
56                 break;
57             default:
58                 break;
59         }
60     }
61 
62     auto bus = sdbusplus::bus::new_default();
63 
64     using namespace settings;
65     Objects settings(bus);
66 
67     using namespace phosphor::state::manager;
68     namespace server = sdbusplus::xyz::openbmc_project::State::server;
69 
70     // This application is only run if chassis power is off
71 
72     // If the BMC was rebooted due to a user initiated pinhole reset, do not
73     // implement any power restore policies
74     auto bmcRebootCause = phosphor::state::manager::utils::getProperty(
75         bus, "/xyz/openbmc_project/state/bmc0", BMC_BUSNAME, "LastRebootCause");
76     if (bmcRebootCause ==
77         "xyz.openbmc_project.State.BMC.RebootCause.PinholeReset")
78     {
79         info(
80             "BMC was reset due to pinhole reset, no power restore policy will be run");
81         return 0;
82     }
83 
84     /* The logic here is to first check the one-time PowerRestorePolicy setting.
85      * If this property is not the default then look at the persistent
86      * user setting in the non one-time object, otherwise honor the one-time
87      * setting.
88      */
89     auto methodOneTime = bus.new_method_call(
90         settings.service(settings.powerRestorePolicy, powerRestoreIntf).c_str(),
91         settings.powerRestorePolicyOneTime.c_str(),
92         "org.freedesktop.DBus.Properties", "Get");
93     methodOneTime.append(powerRestoreIntf, "PowerRestorePolicy");
94 
95     auto methodUserSetting = bus.new_method_call(
96         settings.service(settings.powerRestorePolicy, powerRestoreIntf).c_str(),
97         settings.powerRestorePolicy.c_str(), "org.freedesktop.DBus.Properties",
98         "Get");
99     methodUserSetting.append(powerRestoreIntf, "PowerRestorePolicy");
100 
101     std::variant<std::string> result;
102     try
103     {
104         auto reply = bus.call(methodOneTime);
105         reply.read(result);
106         auto powerPolicy = std::get<std::string>(result);
107 
108         if (RestorePolicy::Policy::None ==
109             RestorePolicy::convertPolicyFromString(powerPolicy))
110         {
111             // one_time is set to None so use the customer setting
112             info("One time not set, check user setting of power policy");
113             auto reply = bus.call(methodUserSetting);
114             reply.read(result);
115             powerPolicy = std::get<std::string>(result);
116         }
117         else
118         {
119             // one_time setting was set so we're going to use it. Reset it
120             // to default for next time.
121             info("One time set, use it and reset to default");
122             phosphor::state::manager::utils::setProperty(
123                 bus, settings.powerRestorePolicyOneTime.c_str(),
124                 powerRestoreIntf, "PowerRestorePolicy",
125                 convertForMessage(RestorePolicy::Policy::None));
126         }
127 
128         info("Host power is off, processing power policy {POWER_POLICY}",
129              "POWER_POLICY", powerPolicy);
130 
131         if (RestorePolicy::Policy::AlwaysOn ==
132             RestorePolicy::convertPolicyFromString(powerPolicy))
133         {
134             info("power_policy=ALWAYS_POWER_ON, powering host on");
135             phosphor::state::manager::utils::setProperty(
136                 bus, hostPath, HOST_BUSNAME, "RestartCause",
137                 convertForMessage(
138                     server::Host::RestartCause::PowerPolicyAlwaysOn));
139             phosphor::state::manager::utils::setProperty(
140                 bus, hostPath, HOST_BUSNAME, "RequestedHostTransition",
141                 convertForMessage(server::Host::Transition::On));
142         }
143         else if (RestorePolicy::Policy::AlwaysOff ==
144                  RestorePolicy::convertPolicyFromString(powerPolicy))
145         {
146             info("power_policy=ALWAYS_POWER_OFF, set requested state to off");
147             phosphor::state::manager::utils::setProperty(
148                 bus, hostPath, HOST_BUSNAME, "RequestedHostTransition",
149                 convertForMessage(server::Host::Transition::Off));
150         }
151         else if (RestorePolicy::Policy::Restore ==
152                  RestorePolicy::convertPolicyFromString(powerPolicy))
153         {
154             info("power_policy=RESTORE, restoring last state");
155             phosphor::state::manager::utils::setProperty(
156                 bus, hostPath, HOST_BUSNAME, "RestartCause",
157                 convertForMessage(
158                     server::Host::RestartCause::PowerPolicyPreviousState));
159             // Read last requested state and re-request it to execute it
160             auto hostReqState = phosphor::state::manager::utils::getProperty(
161                 bus, hostPath, HOST_BUSNAME, "RequestedHostTransition");
162             phosphor::state::manager::utils::setProperty(
163                 bus, hostPath, HOST_BUSNAME, "RequestedHostTransition",
164                 hostReqState);
165         }
166     }
167     catch (const sdbusplus::exception::exception& e)
168     {
169         error("Error in PowerRestorePolicy Get: {ERROR}", "ERROR", e);
170         elog<InternalFailure>();
171     }
172 
173     return 0;
174 }
175