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 #include <xyz/openbmc_project/State/BMC/client.hpp>
17 #include <xyz/openbmc_project/State/Host/client.hpp>
18
19 #include <filesystem>
20 #include <iostream>
21 #include <map>
22 #include <string>
23 #include <thread>
24
25 namespace phosphor
26 {
27 namespace state
28 {
29 namespace manager
30 {
31
32 PHOSPHOR_LOG2_USING;
33
34 using namespace phosphor::logging;
35 using namespace sdbusplus::xyz::openbmc_project::Common::Error;
36 using namespace sdbusplus::server::xyz::openbmc_project::control::power;
37 using HostState = sdbusplus::client::xyz::openbmc_project::state::Host<>;
38 using BMCState = sdbusplus::client::xyz::openbmc_project::state::BMC<>;
39
40 } // namespace manager
41 } // namespace state
42 } // namespace phosphor
43
main(int argc,char ** argv)44 int main(int argc, char** argv)
45 {
46 using namespace phosphor::logging;
47
48 size_t hostId = 0;
49 int arg;
50 int optIndex = 0;
51
52 static struct option longOpts[] = {
53 {"host", required_argument, nullptr, 'h'}, {nullptr, 0, nullptr, 0}};
54
55 while ((arg = getopt_long(argc, argv, "h:", longOpts, &optIndex)) != -1)
56 {
57 switch (arg)
58 {
59 case 'h':
60 hostId = std::stoul(optarg);
61 break;
62 default:
63 break;
64 }
65 }
66
67 using Host = sdbusplus::client::xyz::openbmc_project::state::Host<>;
68 std::string hostPath =
69 std::string(Host::namespace_path::value) + "/" +
70 std::string(Host::namespace_path::host) + std::to_string(hostId);
71
72 auto bus = sdbusplus::bus::new_default();
73
74 using namespace settings;
75 HostObjects settings(bus, hostId);
76
77 using namespace phosphor::state::manager;
78 namespace server = sdbusplus::server::xyz::openbmc_project::state;
79
80 // This application is only run if chassis power is off
81
82 // If the BMC was rebooted due to a user initiated pinhole reset, do not
83 // implement any power restore policies
84 using BMC = sdbusplus::client::xyz::openbmc_project::state::BMC<>;
85 auto bmcPath = sdbusplus::message::object_path(BMC::namespace_path::value) /
86 BMC::namespace_path::bmc;
87
88 auto bmcRebootCause =
89 sdbusplus::message::convert_from_string<BMC::RebootCause>(
90 phosphor::state::manager::utils::getProperty(
91 bus, bmcPath.str, BMCState::interface, "LastRebootCause"));
92
93 if (bmcRebootCause == BMC::RebootCause::PinholeReset)
94 {
95 info(
96 "BMC was reset due to pinhole reset, no power restore policy will be run");
97 return 0;
98 }
99 else if (bmcRebootCause == BMC::RebootCause::Watchdog)
100 {
101 info(
102 "BMC was reset due to cold reset, no power restore policy will be run");
103 return 0;
104 }
105
106 /* The logic here is to first check the one-time PowerRestorePolicy setting.
107 * If this property is not the default then look at the persistent
108 * user setting in the non one-time object, otherwise honor the one-time
109 * setting.
110 */
111 auto methodOneTime = bus.new_method_call(
112 settings.service(settings.powerRestorePolicy, powerRestoreIntf).c_str(),
113 settings.powerRestorePolicyOneTime.c_str(),
114 "org.freedesktop.DBus.Properties", "Get");
115 methodOneTime.append(powerRestoreIntf, "PowerRestorePolicy");
116
117 auto methodUserSetting = bus.new_method_call(
118 settings.service(settings.powerRestorePolicy, powerRestoreIntf).c_str(),
119 settings.powerRestorePolicy.c_str(), "org.freedesktop.DBus.Properties",
120 "Get");
121 methodUserSetting.append(powerRestoreIntf, "PowerRestorePolicy");
122
123 std::variant<std::string> result;
124 try
125 {
126 auto reply = bus.call(methodOneTime);
127 reply.read(result);
128 auto powerPolicy = std::get<std::string>(result);
129
130 if (RestorePolicy::Policy::None ==
131 RestorePolicy::convertPolicyFromString(powerPolicy))
132 {
133 // one_time is set to None so use the customer setting
134 info("One time not set, check user setting of power policy");
135
136 auto reply = bus.call(methodUserSetting);
137 reply.read(result);
138 powerPolicy = std::get<std::string>(result);
139 }
140 else
141 {
142 // one_time setting was set so we're going to use it. Reset it
143 // to default for next time.
144 info("One time set, use it and reset to default");
145 phosphor::state::manager::utils::setProperty(
146 bus, settings.powerRestorePolicyOneTime, powerRestoreIntf,
147 "PowerRestorePolicy",
148 convertForMessage(RestorePolicy::Policy::None));
149 }
150
151 auto methodUserSettingDelay = bus.new_method_call(
152 settings.service(settings.powerRestorePolicy, powerRestoreIntf)
153 .c_str(),
154 settings.powerRestorePolicy.c_str(),
155 "org.freedesktop.DBus.Properties", "Get");
156
157 methodUserSettingDelay.append(powerRestoreIntf, "PowerRestoreDelay");
158
159 std::variant<uint64_t> restoreDelay;
160
161 auto delayResult = bus.call(methodUserSettingDelay);
162 delayResult.read(restoreDelay);
163 auto powerRestoreDelayUsec =
164 std::chrono::microseconds(std::get<uint64_t>(restoreDelay));
165 auto powerRestoreDelaySec =
166 std::chrono::duration_cast<std::chrono::seconds>(
167 powerRestoreDelayUsec);
168
169 info("Host power is off, processing power policy {POWER_POLICY}",
170 "POWER_POLICY", powerPolicy);
171
172 if (RestorePolicy::Policy::AlwaysOn ==
173 RestorePolicy::convertPolicyFromString(powerPolicy))
174 {
175 info(
176 "power_policy=ALWAYS_POWER_ON, powering host on ({DELAY}s delay)",
177 "DELAY", powerRestoreDelaySec.count());
178 #ifdef APPLY_POWER_POLICY_WHEN_BMC_READY
179 utils::waitBmcReady(bus, powerRestoreDelaySec);
180 #else
181 std::this_thread::sleep_for(powerRestoreDelayUsec);
182 #endif
183 phosphor::state::manager::utils::setProperty(
184 bus, hostPath, HostState::interface, "RestartCause",
185 convertForMessage(
186 server::Host::RestartCause::PowerPolicyAlwaysOn));
187 phosphor::state::manager::utils::setProperty(
188 bus, hostPath, HostState::interface, "RequestedHostTransition",
189 convertForMessage(server::Host::Transition::On));
190 }
191 // Always execute power on if AlwaysOn is set, otherwise check config
192 // option (and AC loss status) on whether to execute other policy
193 // settings
194 #if ONLY_RUN_APR_ON_POWER_LOSS
195 else if (!phosphor::state::manager::utils::checkACLoss(hostId))
196 {
197 info(
198 "Chassis power was not on prior to BMC reboot so do not run any further power policy");
199 return 0;
200 }
201 #endif
202 else if (RestorePolicy::Policy::AlwaysOff ==
203 RestorePolicy::convertPolicyFromString(powerPolicy))
204 {
205 info(
206 "power_policy=ALWAYS_POWER_OFF, set requested state to off ({DELAY}s delay)",
207 "DELAY", powerRestoreDelaySec.count());
208 #ifdef APPLY_POWER_POLICY_WHEN_BMC_READY
209 utils::waitBmcReady(bus, powerRestoreDelaySec);
210 #else
211 std::this_thread::sleep_for(powerRestoreDelayUsec);
212 #endif
213 // Read last requested state and re-request it to execute it
214 auto hostReqState = phosphor::state::manager::utils::getProperty(
215 bus, hostPath, HostState::interface, "RequestedHostTransition");
216 if (hostReqState !=
217 convertForMessage(server::Host::Transition::Off))
218 {
219 phosphor::state::manager::utils::setProperty(
220 bus, hostPath, HostState::interface,
221 "RequestedHostTransition",
222 convertForMessage(server::Host::Transition::Off));
223 }
224 }
225 else if (RestorePolicy::Policy::Restore ==
226 RestorePolicy::convertPolicyFromString(powerPolicy))
227 {
228 info("power_policy=RESTORE, restoring last state ({DELAY}s delay)",
229 "DELAY", powerRestoreDelaySec.count());
230 #ifdef APPLY_POWER_POLICY_WHEN_BMC_READY
231 utils::waitBmcReady(bus, powerRestoreDelaySec);
232 #else
233 std::this_thread::sleep_for(powerRestoreDelayUsec);
234 #endif
235 // Read last requested state and re-request it to execute it
236 auto hostReqState = phosphor::state::manager::utils::getProperty(
237 bus, hostPath, HostState::interface, "RequestedHostTransition");
238
239 // As long as the host transition is not 'Off' power on host state.
240 if (hostReqState !=
241 convertForMessage(server::Host::Transition::Off))
242 {
243 phosphor::state::manager::utils::setProperty(
244 bus, hostPath, HostState::interface, "RestartCause",
245 convertForMessage(
246 server::Host::RestartCause::PowerPolicyPreviousState));
247 phosphor::state::manager::utils::setProperty(
248 bus, hostPath, HostState::interface,
249 "RequestedHostTransition",
250 convertForMessage(server::Host::Transition::On));
251 }
252 }
253 }
254 catch (const sdbusplus::exception_t& e)
255 {
256 error("Error in PowerRestorePolicy Get: {ERROR}", "ERROR", e);
257 elog<InternalFailure>();
258 }
259
260 return 0;
261 }
262