1 /**
2 * Copyright © 2021 IBM Corporation
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "power_interface.hpp"
18
19 #include "types.hpp"
20
21 #include <phosphor-logging/log.hpp>
22 #include <sdbusplus/exception.hpp>
23 #include <sdbusplus/sdbus.hpp>
24 #include <sdbusplus/server.hpp>
25
26 #include <format>
27 #include <string>
28 #include <tuple>
29
30 using namespace phosphor::logging;
31
32 namespace phosphor::power::sequencer
33 {
34
PowerInterface(sdbusplus::bus_t & bus,const char * path)35 PowerInterface::PowerInterface(sdbusplus::bus_t& bus, const char* path) :
36 serverInterface(bus, path, POWER_IFACE, vtable, this)
37 {}
38
callbackGetPgood(sd_bus *,const char *,const char *,const char *,sd_bus_message * msg,void * context,sd_bus_error * error)39 int PowerInterface::callbackGetPgood(
40 sd_bus* /*bus*/, const char* /*path*/, const char* /*interface*/,
41 const char* /*property*/, sd_bus_message* msg, void* context,
42 sd_bus_error* error)
43 {
44 if (msg != nullptr && context != nullptr)
45 {
46 try
47 {
48 auto pwrObj = static_cast<PowerInterface*>(context);
49 int pgood = pwrObj->getPgood();
50 log<level::INFO>(
51 std::format("callbackGetPgood: {}", pgood).c_str());
52
53 sdbusplus::message_t(msg).append(pgood);
54 }
55 catch (const sdbusplus::exception_t& e)
56 {
57 return sd_bus_error_set(error, e.name(), e.description());
58 }
59 }
60 else
61 {
62 // The message or context were null
63 log<level::ERR>("Unable to service get pgood property callback");
64 return -1;
65 }
66
67 return 1;
68 }
69
callbackGetPgoodTimeout(sd_bus *,const char *,const char *,const char *,sd_bus_message * msg,void * context,sd_bus_error * error)70 int PowerInterface::callbackGetPgoodTimeout(
71 sd_bus* /*bus*/, const char* /*path*/, const char* /*interface*/,
72 const char* /*property*/, sd_bus_message* msg, void* context,
73 sd_bus_error* error)
74 {
75 if (msg != nullptr && context != nullptr)
76 {
77 try
78 {
79 auto pwrObj = static_cast<PowerInterface*>(context);
80 int timeout = pwrObj->getPgoodTimeout();
81 log<level::INFO>(
82 std::format("callbackGetPgoodTimeout: {}", timeout).c_str());
83
84 sdbusplus::message_t(msg).append(timeout);
85 }
86 catch (const sdbusplus::exception_t& e)
87 {
88 return sd_bus_error_set(error, e.name(), e.description());
89 }
90 }
91 else
92 {
93 // The message or context were null
94 log<level::ERR>(
95 "Unable to service get pgood timeout property callback");
96 return -1;
97 }
98
99 return 1;
100 }
101
callbackGetPowerState(sd_bus_message * msg,void * context,sd_bus_error * error)102 int PowerInterface::callbackGetPowerState(sd_bus_message* msg, void* context,
103 sd_bus_error* error)
104 {
105 if (msg != nullptr && context != nullptr)
106 {
107 try
108 {
109 auto pwrObj = static_cast<PowerInterface*>(context);
110 // Return the current power state of the GPIO, rather than the last
111 // requested power state change
112 int pgood = pwrObj->getPgood();
113 log<level::INFO>(
114 std::format("callbackGetPowerState: {}", pgood).c_str());
115
116 auto reply = sdbusplus::message_t(msg).new_method_return();
117 reply.append(pgood);
118 reply.method_return();
119 }
120 catch (const sdbusplus::exception_t& e)
121 {
122 return sd_bus_error_set(error, e.name(), e.description());
123 }
124 }
125 else
126 {
127 // The message or context were null
128 log<level::ERR>("Unable to service getPowerState method callback");
129 return -1;
130 }
131
132 return 1;
133 }
134
callbackSetPgoodTimeout(sd_bus *,const char *,const char *,const char *,sd_bus_message * msg,void * context,sd_bus_error * error)135 int PowerInterface::callbackSetPgoodTimeout(
136 sd_bus* /*bus*/, const char* /*path*/, const char* /*interface*/,
137 const char* /*property*/, sd_bus_message* msg, void* context,
138 sd_bus_error* error)
139 {
140 if (msg != nullptr && context != nullptr)
141 {
142 try
143 {
144 auto m = sdbusplus::message_t(msg);
145
146 int timeout{};
147 m.read(timeout);
148 log<level::INFO>(
149 std::format("callbackSetPgoodTimeout: {}", timeout).c_str());
150
151 auto pwrObj = static_cast<PowerInterface*>(context);
152 pwrObj->setPgoodTimeout(timeout);
153 }
154 catch (const sdbusplus::exception_t& e)
155 {
156 return sd_bus_error_set(error, e.name(), e.description());
157 }
158 }
159 else
160 {
161 // The message or context were null
162 log<level::ERR>(
163 "Unable to service set pgood timeout property callback");
164 return -1;
165 }
166
167 return 1;
168 }
169
callbackGetState(sd_bus *,const char *,const char *,const char *,sd_bus_message * msg,void * context,sd_bus_error * error)170 int PowerInterface::callbackGetState(
171 sd_bus* /*bus*/, const char* /*path*/, const char* /*interface*/,
172 const char* /*property*/, sd_bus_message* msg, void* context,
173 sd_bus_error* error)
174 {
175 if (msg != nullptr && context != nullptr)
176 {
177 try
178 {
179 auto pwrObj = static_cast<PowerInterface*>(context);
180 int state = pwrObj->getState();
181 log<level::INFO>(
182 std::format("callbackGetState: {}", state).c_str());
183
184 sdbusplus::message_t(msg).append(state);
185 }
186 catch (const sdbusplus::exception_t& e)
187 {
188 return sd_bus_error_set(error, e.name(), e.description());
189 }
190 }
191 else
192 {
193 // The message or context were null
194 log<level::ERR>("Unable to service get state property callback");
195 return -1;
196 }
197
198 return 1;
199 }
200
callbackSetPowerState(sd_bus_message * msg,void * context,sd_bus_error * error)201 int PowerInterface::callbackSetPowerState(sd_bus_message* msg, void* context,
202 sd_bus_error* error)
203 {
204 if (msg != nullptr && context != nullptr)
205 {
206 try
207 {
208 auto m = sdbusplus::message_t(msg);
209
210 int state{};
211 m.read(state);
212
213 if (state != 1 && state != 0)
214 {
215 return sd_bus_error_set(error,
216 "org.openbmc.ControlPower.Error.Failed",
217 "Invalid power state");
218 }
219 log<level::INFO>(
220 std::format("callbackSetPowerState: {}", state).c_str());
221
222 auto pwrObj = static_cast<PowerInterface*>(context);
223 pwrObj->setState(state);
224
225 m.new_method_return().method_return();
226 }
227 catch (const sdbusplus::exception_t& e)
228 {
229 return sd_bus_error_set(error, e.name(), e.description());
230 }
231 }
232 else
233 {
234 // The message or context were null
235 log<level::ERR>("Unable to service setPowerState method callback");
236 return -1;
237 }
238
239 return 1;
240 }
241
callbackSetPowerSupplyError(sd_bus_message * msg,void * context,sd_bus_error * error)242 int PowerInterface::callbackSetPowerSupplyError(
243 sd_bus_message* msg, void* context, sd_bus_error* error)
244 {
245 if (msg != nullptr && context != nullptr)
246 {
247 try
248 {
249 auto m = sdbusplus::message_t(msg);
250
251 std::string psError{};
252 m.read(psError);
253 log<level::INFO>(
254 std::format("callbackSetPowerSupplyError: {}", psError)
255 .c_str());
256
257 auto pwrObj = static_cast<PowerInterface*>(context);
258 pwrObj->setPowerSupplyError(psError);
259
260 m.new_method_return().method_return();
261 }
262 catch (const sdbusplus::exception_t& e)
263 {
264 return sd_bus_error_set(error, e.name(), e.description());
265 }
266 }
267 else
268 {
269 // The message or context were null
270 log<level::ERR>(
271 "Unable to service setPowerSupplyError method callback");
272 return -1;
273 }
274
275 return 1;
276 }
277
emitPowerGoodSignal()278 void PowerInterface::emitPowerGoodSignal()
279 {
280 log<level::INFO>("emitPowerGoodSignal");
281 serverInterface.new_signal("PowerGood").signal_send();
282 }
283
emitPowerLostSignal()284 void PowerInterface::emitPowerLostSignal()
285 {
286 log<level::INFO>("emitPowerLostSignal");
287 serverInterface.new_signal("PowerLost").signal_send();
288 }
289
emitPropertyChangedSignal(const char * property)290 void PowerInterface::emitPropertyChangedSignal(const char* property)
291 {
292 log<level::INFO>(
293 std::format("emitPropertyChangedSignal: {}", property).c_str());
294 serverInterface.property_changed(property);
295 }
296
297 const sdbusplus::vtable::vtable_t PowerInterface::vtable[] = {
298 sdbusplus::vtable::start(),
299 // Method setPowerState takes an int parameter and returns void
300 sdbusplus::vtable::method("setPowerState", "i", "", callbackSetPowerState),
301 // Method getPowerState takes no parameters and returns int
302 sdbusplus::vtable::method("getPowerState", "", "i", callbackGetPowerState),
303 // Signal PowerGood
304 sdbusplus::vtable::signal("PowerGood", ""),
305 // Signal PowerLost
306 sdbusplus::vtable::signal("PowerLost", ""),
307 // Property pgood is type int, read only, and uses the emits_change flag
308 sdbusplus::vtable::property("pgood", "i", callbackGetPgood,
309 sdbusplus::vtable::property_::emits_change),
310 // Property state is type int, read only, and uses the emits_change flag
311 sdbusplus::vtable::property("state", "i", callbackGetState,
312 sdbusplus::vtable::property_::emits_change),
313 // Property pgood_timeout is type int, read write, and uses the emits_change
314 // flag
315 sdbusplus::vtable::property("pgood_timeout", "i", callbackGetPgoodTimeout,
316 callbackSetPgoodTimeout,
317 sdbusplus::vtable::property_::emits_change),
318 // Method setPowerSupplyError takes a string parameter and returns void
319 sdbusplus::vtable::method("setPowerSupplyError", "s", "",
320 callbackSetPowerSupplyError),
321 sdbusplus::vtable::end()};
322
323 } // namespace phosphor::power::sequencer
324