1 #pragma once
2 
3 #include "inband_code_update.hpp"
4 #include "libpldmresponder/oem_handler.hpp"
5 #include "libpldmresponder/pdr_utils.hpp"
6 #include "libpldmresponder/platform.hpp"
7 #include "requester/handler.hpp"
8 
9 #include <libpldm/entity.h>
10 #include <libpldm/platform.h>
11 #include <libpldm/state_set_oem_ibm.h>
12 
13 typedef ibm_oem_pldm_state_set_firmware_update_state_values CodeUpdateState;
14 
15 namespace pldm
16 {
17 namespace responder
18 {
19 namespace oem_ibm_platform
20 {
21 constexpr uint16_t ENTITY_INSTANCE_0 = 0;
22 constexpr uint16_t ENTITY_INSTANCE_1 = 1;
23 
24 enum SetEventReceiverCount
25 {
26     SET_EVENT_RECEIVER_SENT = 0x2,
27 };
28 
29 class Handler : public oem_platform::Handler
30 {
31   public:
32     Handler(const pldm::utils::DBusHandler* dBusIntf,
33             pldm::responder::CodeUpdate* codeUpdate, int mctp_fd,
34             uint8_t mctp_eid, pldm::InstanceIdDb& instanceIdDb,
35             sdeventplus::Event& event,
36             pldm::requester::Handler<pldm::requester::Request>* handler) :
37         oem_platform::Handler(dBusIntf),
38         codeUpdate(codeUpdate), platformHandler(nullptr), mctp_fd(mctp_fd),
39         mctp_eid(mctp_eid), instanceIdDb(instanceIdDb), event(event),
40         handler(handler)
41     {
42         codeUpdate->setVersions();
43         setEventReceiverCnt = 0;
44 
45         using namespace sdbusplus::bus::match::rules;
46         hostOffMatch = std::make_unique<sdbusplus::bus::match_t>(
47             pldm::utils::DBusHandler::getBus(),
48             propertiesChanged("/xyz/openbmc_project/state/host0",
49                               "xyz.openbmc_project.State.Host"),
50             [this](sdbusplus::message_t& msg) {
51             pldm::utils::DbusChangedProps props{};
52             std::string intf;
53             msg.read(intf, props);
54             const auto itr = props.find("CurrentHostState");
55             if (itr != props.end())
56             {
57                 pldm::utils::PropertyValue value = itr->second;
58                 auto propVal = std::get<std::string>(value);
59                 if (propVal == "xyz.openbmc_project.State.Host.HostState.Off")
60                 {
61                     hostOff = true;
62                     setEventReceiverCnt = 0;
63                     disableWatchDogTimer();
64                 }
65                 else if (propVal ==
66                          "xyz.openbmc_project.State.Host.HostState.Running")
67                 {
68                     hostOff = false;
69                 }
70             }
71             });
72     }
73 
74     int getOemStateSensorReadingsHandler(
75         EntityType entityType, pldm::pdr::EntityInstance entityInstance,
76         pldm::pdr::StateSetId stateSetId,
77         pldm::pdr::CompositeCount compSensorCnt,
78         std::vector<get_sensor_state_field>& stateField);
79 
80     int oemSetStateEffecterStatesHandler(
81         uint16_t entityType, uint16_t entityInstance, uint16_t stateSetId,
82         uint8_t compEffecterCnt,
83         std::vector<set_effecter_state_field>& stateField, uint16_t effecterId);
84 
85     /** @brief Method to set the platform handler in the
86      *         oem_ibm_handler class
87      *  @param[in] handler - pointer to PLDM platform handler
88      */
89     void setPlatformHandler(pldm::responder::platform::Handler* handler);
90 
91     /** @brief Method to fetch the effecter ID of the code update PDRs
92      *
93      * @return platformHandler->getNextEffecterId() - returns the
94      *             effecter ID from the platform handler
95      */
96     virtual uint16_t getNextEffecterId()
97     {
98         return platformHandler->getNextEffecterId();
99     }
100 
101     /** @brief Method to fetch the sensor ID of the code update PDRs
102      *
103      * @return platformHandler->getNextSensorId() - returns the
104      *             Sensor ID from the platform handler
105      */
106     virtual uint16_t getNextSensorId()
107     {
108         return platformHandler->getNextSensorId();
109     }
110 
111     /** @brief Method to Generate the OEM PDRs
112      *
113      * @param[in] repo - instance of concrete implementation of Repo
114      */
115     void buildOEMPDR(pdr_utils::Repo& repo);
116 
117     /** @brief Method to send code update event to host
118      * @param[in] sensorId - sendor ID
119      * @param[in] sensorEventClass - event class of sensor
120      * @param[in] sensorOffset - sensor offset
121      * @param[in] eventState - new code update event state
122      * @param[in] prevEventState - previous code update event state
123      * @return none
124      */
125     void sendStateSensorEvent(uint16_t sensorId,
126                               enum sensor_event_class_states sensorEventClass,
127                               uint8_t sensorOffset, uint8_t eventState,
128                               uint8_t prevEventState);
129 
130     /** @brief Method to send encoded request msg of code update event to host
131      *  @param[in] requestMsg - encoded request msg
132      *  @param[in] instanceId - instance id of the message
133      *  @return PLDM status code
134      */
135     int sendEventToHost(std::vector<uint8_t>& requestMsg, uint8_t instanceId);
136 
137     /** @brief _processEndUpdate processes the actual work that needs
138      *  to be carried out after EndUpdate effecter is set. This is done async
139      *  after sending response for EndUpdate set effecter
140      *  @param[in] source - sdeventplus event source
141      */
142     void _processEndUpdate(sdeventplus::source::EventBase& source);
143 
144     /** @brief _processStartUpdate processes the actual work that needs
145      *  to be carried out after StartUpdate effecter is set. This is done async
146      *  after sending response for StartUpdate set effecter
147      *  @param[in] source - sdeventplus event source
148      */
149     void _processStartUpdate(sdeventplus::source::EventBase& source);
150 
151     /** @brief _processSystemReboot processes the actual work that needs to be
152      *  carried out after the System Power State effecter is set to reboot
153      *  the system
154      *  @param[in] source - sdeventplus event source
155      */
156     void _processSystemReboot(sdeventplus::source::EventBase& source);
157 
158     /*keeps track how many times setEventReceiver is sent */
159     void countSetEventReceiver()
160     {
161         setEventReceiverCnt++;
162     }
163 
164     /* disables watchdog if running and Host is up */
165     void checkAndDisableWatchDog();
166 
167     /** @brief To check if the watchdog app is running
168      *
169      *  @return the running status of watchdog app
170      */
171     bool watchDogRunning();
172 
173     /** @brief Method to reset the Watchdog timer on receiving platform Event
174      *  Message for heartbeat elapsed time from Hostboot
175      */
176     void resetWatchDogTimer();
177 
178     /** @brief To disable to the watchdog timer on host poweron completion*/
179     void disableWatchDogTimer();
180 
181     /** @brief to check the BMC state*/
182     int checkBMCState();
183 
184     ~Handler() = default;
185 
186     pldm::responder::CodeUpdate* codeUpdate; //!< pointer to CodeUpdate object
187     pldm::responder::platform::Handler*
188         platformHandler; //!< pointer to PLDM platform handler
189 
190     /** @brief fd of MCTP communications socket */
191     int mctp_fd;
192 
193     /** @brief MCTP EID of host firmware */
194     uint8_t mctp_eid;
195 
196     /** @brief reference to an InstanceIdDb object, used to obtain a PLDM
197      * instance id. */
198     pldm::InstanceIdDb& instanceIdDb;
199     /** @brief sdeventplus event source */
200     std::unique_ptr<sdeventplus::source::Defer> assembleImageEvent;
201     std::unique_ptr<sdeventplus::source::Defer> startUpdateEvent;
202     std::unique_ptr<sdeventplus::source::Defer> systemRebootEvent;
203 
204     /** @brief reference of main event loop of pldmd, primarily used to schedule
205      *  work
206      */
207     sdeventplus::Event& event;
208 
209   private:
210     /** @brief D-Bus property changed signal match for CurrentPowerState*/
211     std::unique_ptr<sdbusplus::bus::match_t> chassisOffMatch;
212 
213     /** @brief PLDM request handler */
214     pldm::requester::Handler<pldm::requester::Request>* handler;
215 
216     /** @brief D-Bus property changed signal match */
217     std::unique_ptr<sdbusplus::bus::match_t> hostOffMatch;
218 
219     bool hostOff = true;
220 
221     int setEventReceiverCnt = 0;
222 };
223 
224 /** @brief Method to encode code update event msg
225  *  @param[in] eventType - type of event
226  *  @param[in] eventDataVec - vector of event data to be sent to host
227  *  @param[in/out] requestMsg - request msg to be encoded
228  *  @param[in] instanceId - instance ID
229  *  @return PLDM status code
230  */
231 int encodeEventMsg(uint8_t eventType, const std::vector<uint8_t>& eventDataVec,
232                    std::vector<uint8_t>& requestMsg, uint8_t instanceId);
233 
234 } // namespace oem_ibm_platform
235 
236 } // namespace responder
237 
238 } // namespace pldm
239