summaryrefslogtreecommitdiffstats
path: root/occ_status.hpp
blob: d88ef6b46ec548e0f51f97f8bdf755c352704e92 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
#pragma once

#include <functional>
#include <sdbusplus/bus.hpp>
#include <sdbusplus/server/object.hpp>
#include <org/open_power/OCC/Status/server.hpp>
#include <org/open_power/Control/Host/server.hpp>
#include "occ_events.hpp"
#include "occ_device.hpp"
#include "i2c_occ.hpp"

namespace open_power
{
namespace occ
{

class Manager;
namespace Base = sdbusplus::org::open_power::OCC::server;
using Interface = sdbusplus::server::object::object<Base::Status>;

// IPMID's host control application
namespace Control = sdbusplus::org::open_power::Control::server;

// For waiting on signals
namespace sdbusRule = sdbusplus::bus::match::rules;

// OCC status instance. Ex. for "occ0", the instance is 0
using instanceID = int;

// IPMI sensor ID for a given OCC instance
using sensorID = uint8_t;

/** @class Status
 *  @brief Implementation of OCC Active Status
 */
class Status : public Interface
{
    public:
        Status() = delete;
        ~Status() = default;
        Status(const Status&) = delete;
        Status& operator=(const Status&) = delete;
        Status(Status&&) = default;
        Status& operator=(Status&&) = default;

        /** @brief Constructs the Status object and
         *         the underlying device object
         *
         *  @param[in] bus      - DBus bus to attach to
         *  @param[in] event    - sd_event unique pointer reference
         *  @param[in] path     - DBus object path
         *  @param[in] manager  - OCC manager instance
         *  @param[in] callBack - Callback handler to invoke during
         *                        property change
         */
        Status(sdbusplus::bus::bus& bus,
               EventPtr& event,
               const char* path,
               const Manager& manager,
               std::function<void(bool)> callBack = nullptr)
            : Interface(bus, path, true),
              bus(bus),
              path(path),
              callBack(callBack),
              instance(((this->path.back() - '0'))),
              device(event,
#ifdef I2C_OCC
                     i2c_occ::getI2cDeviceName(path),
#else
                     name + std::to_string(instance + 1),
#endif
                     manager,
                     *this,
                     std::bind(std::mem_fn(&Status::deviceErrorHandler), this,
                               std::placeholders::_1)),
              hostControlSignal(
                     bus,
                     sdbusRule::type::signal() +
                     sdbusRule::member("CommandComplete") +
                     sdbusRule::path("/org/open_power/control/host0") +
                     sdbusRule::interface("org.open_power.Control.Host") +
                     sdbusRule::argN(0, Control::convertForMessage(
                             Control::Host::Command::OCCReset)),
                     std::bind(std::mem_fn(&Status::hostControlEvent),
                            this, std::placeholders::_1))
        {
            // Check to see if we have OCC already bound.  If so, just set it
            if (device.bound())
            {
                this->occActive(true);
            }

            // Announce that we are ready
            this->emit_object_added();
        }

        /** @brief Since we are overriding the setter-occActive but not the
         *         getter-occActive, we need to have this using in order to
         *         allow passthrough usage of the getter-occActive
         */
        using Base::Status::occActive;

        /** @brief SET OccActive to True or False
         *
         *  @param[in] value - Intended value
         *
         *  @return          - Updated value of the property
         */
        bool occActive(bool value) override;

        /** @brief Starts OCC error detection */
        inline void addErrorWatch()
        {
            return device.addErrorWatch();
        }

        /** @brief Stops OCC error detection */
        inline void removeErrorWatch()
        {
            return device.removeErrorWatch();
        }

        /** @brief Starts to watch how many OCCs are present on the master */
        inline void addPresenceWatchMaster()
        {
            return device.addPresenceWatchMaster();
        }

    private:

        /** @brief sdbus handle */
        sdbusplus::bus::bus& bus;

        /** @brief OCC dbus object path */
        std::string path;

        /** @brief Callback handler to be invoked during property change.
         *         This is a handler in Manager class
         */
        std::function<void(bool)> callBack;

        /** @brief occ name prefix */
        std::string name = OCC_NAME;

        /** @brief OCC instance number. Ex, 0,1, etc */
        int instance;

        /** @brief OCC instance to Sensor ID mapping */
        static const std::map<instanceID, sensorID> sensorMap;

        /** @brief OCC device object to do bind and unbind */
        Device device;

        /** @brief Subscribe to host control signal
         *
         *  Once the OCC reset is requested, BMC sends that message to host.
         *  If the host does not ack the message, then there would be a timeout
         *  and we need to catch that to log an error
         **/
        sdbusplus::bus::match_t hostControlSignal;

        /** @brief Callback handler when device errors are detected
         *
         *  @param[in]  error - True if an error is reported, false otherwise
         */
        void deviceErrorHandler(bool error);

        /** @brief Callback function on host control signals
         *
         *  @param[in]  msg - Data associated with subscribed signal
         */
        void hostControlEvent(sdbusplus::message::message& msg);

        /** @brief Sends a message to host control command handler to reset OCC
         */
        void resetOCC();
};

} // namespace occ
} // namespace open_power
OpenPOWER on IntegriCloud