1 #pragma once
2 
3 #include "occ_command.hpp"
4 #include "utils.hpp"
5 
6 #include <fmt/core.h>
7 
8 #include <org/open_power/OCC/PassThrough/server.hpp>
9 #include <phosphor-logging/log.hpp>
10 #include <sdbusplus/bus.hpp>
11 #include <sdbusplus/server/object.hpp>
12 
13 #include <string>
14 
15 namespace open_power
16 {
17 namespace occ
18 {
19 
20 using Iface = sdbusplus::server::object::object<
21     sdbusplus::org::open_power::OCC::server::PassThrough>;
22 
23 // For waiting on signals
24 namespace sdbusRule = sdbusplus::bus::match::rules;
25 
26 /** @class PassThrough
27  *  @brief Implements org.open_power.OCC.PassThrough
28  */
29 class PassThrough : public Iface
30 {
31   public:
32     PassThrough() = delete;
33     ~PassThrough() = default;
34     PassThrough(const PassThrough&) = delete;
35     PassThrough& operator=(const PassThrough&) = delete;
36     PassThrough(PassThrough&&) = default;
37     PassThrough& operator=(PassThrough&&) = default;
38 
39     /** @brief Ctor to put pass-through d-bus object on the bus
40      *  @param[in] path - Path to attach at
41      */
42     explicit PassThrough(const char* path);
43 
44     /** @brief Pass through command to OCC from dbus
45      *  @param[in] command - command to pass-through
46      *  @returns OCC response as an array
47      */
48     std::vector<std::int32_t> send(std::vector<std::int32_t> command) override;
49 
50     /** @brief Pass through command to OCC from openpower-occ-control
51      *  @param[in] command - command to pass-through
52      *  @returns OCC response as an array
53      */
54     std::vector<std::uint8_t> send(std::vector<std::uint8_t> command);
55 
56   private:
57     /** @brief Pass-through occ path on the bus */
58     std::string path;
59 
60     /** @brief OCC device path
61      *  For now, here is the hard-coded mapping until
62      *  the udev rule is in.
63      *  occ0 --> /dev/occ1
64      *  occ1 --> /dev/occ2
65      *  ...
66      */
67     std::string devicePath;
68 
69     /** @brief OCC instance number */
70     int occInstance;
71 
72     /** @brief Indicates whether or not the OCC is currently active */
73     bool occActive = false;
74 
75     /** @brief Subscribe to OCC Status signal
76      *
77      *  Once the OCC status gets to active, only then we will get /dev/occ2
78      *  populated and hence need to wait on that before opening that
79      */
80     sdbusplus::bus::match_t activeStatusSignal;
81 
82     /** @brief Object to send commands to the OCC */
83     OccCommand occCmd;
84 
85     /** @brief Callback function on OCC Status change signals
86      *
87      *  @param[in]  msg - Data associated with subscribed signal
88      */
89     void activeStatusEvent(sdbusplus::message::message& msg);
90 };
91 
92 } // namespace occ
93 } // namespace open_power
94