xref: /openbmc/phosphor-hwmon/fan_speed.cpp (revision b6865fdcc10dbfd5ff023f3b74d9c8b645d319db)
1 #include "fan_speed.hpp"
2 
3 #include "env.hpp"
4 #include "hwmon.hpp"
5 #include "hwmonio.hpp"
6 #include "sensorset.hpp"
7 #include "sysfs.hpp"
8 
9 #include <phosphor-logging/elog-errors.hpp>
10 #include <xyz/openbmc_project/Control/Device/error.hpp>
11 
12 #include <format>
13 
14 using namespace phosphor::logging;
15 
16 namespace hwmon
17 {
18 
19 uint64_t FanSpeed::target(uint64_t value)
20 {
21     try
22     {
23         _ioAccess->write(value, _type, _id, entry::target, hwmonio::retries,
24                          hwmonio::delay);
25     }
26     catch (const std::system_error& e)
27     {
28         using namespace sdbusplus::xyz::openbmc_project::Control::Device::Error;
29         report<WriteFailure>(
30             xyz::openbmc_project::Control::Device::WriteFailure::CALLOUT_ERRNO(
31                 e.code().value()),
32             xyz::openbmc_project::Control::Device::WriteFailure::
33                 CALLOUT_DEVICE_PATH(_devPath.c_str()));
34 
35         auto file = sysfs::make_sysfs_path(_ioAccess->path(), _type, _id,
36                                            entry::target);
37 
38         log<level::INFO>(std::format("Failing sysfs file: {} errno: {}", file,
39                                      e.code().value())
40                              .c_str());
41 
42         exit(EXIT_FAILURE);
43     }
44 
45     return FanSpeedObject::target(value);
46 }
47 
48 void FanSpeed::enable()
49 {
50     auto enable = env::getEnv("ENABLE", _type, _id);
51     if (!enable.empty())
52     {
53         auto val = std::stoul(enable);
54 
55         try
56         {
57             _ioAccess->write(val, type::pwm, _id, entry::enable,
58                              hwmonio::retries, hwmonio::delay);
59         }
60         catch (const std::system_error& e)
61         {
62             using namespace sdbusplus::xyz::openbmc_project::Control::Device::
63                 Error;
64             phosphor::logging::report<WriteFailure>(
65                 xyz::openbmc_project::Control::Device::WriteFailure::
66                     CALLOUT_ERRNO(e.code().value()),
67                 xyz::openbmc_project::Control::Device::WriteFailure::
68                     CALLOUT_DEVICE_PATH(_devPath.c_str()));
69 
70             auto fullPath = sysfs::make_sysfs_path(_ioAccess->path(), type::pwm,
71                                                    _id, entry::enable);
72 
73             log<level::INFO>(std::format("Failing sysfs file: {} errno: {}",
74                                          fullPath, e.code().value())
75                                  .c_str());
76 
77             exit(EXIT_FAILURE);
78         }
79     }
80 }
81 
82 } // namespace hwmon
83