uvos/ipmifan
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This commit is contained in:
uvos
2023-05-03 10:52:48 +02:00
parent a6e6b758e4
commit b1c92cd561
5 changed files with 68 additions and 41 deletions
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41
main.cpp
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@ -15,8 +15,6 @@
#include "ipmi.h"
#include "lm.h"
static constexpr size_t IPMI_RAW_MAX_ARGS = 65536*2;
sig_atomic_t running = true;
void sig_handler(int sig)
@ -114,43 +112,6 @@ std::vector<double> get_fan_zones(const std::vector<Sensor>& sensors)
return out;
}
ipmi_ctx_t ipmi_open()
{
ipmi_ctx_t ctx = ipmi_ctx_create();
if(!ctx)
{
std::cerr<<"Could not allocae raw context\n";
return nullptr;
}
ipmi_driver_type_t driver = IPMI_DEVICE_OPENIPMI;
int ret = ipmi_ctx_find_inband(ctx, &driver, false, 0, 0, nullptr, 0, 0);
if(ret < 0)
{
std::cerr<<"Could not create raw context "<<ipmi_ctx_errormsg(ctx)<<'\n';
ipmi_ctx_destroy(ctx);
return nullptr;
}
return ctx;
}
bool ipmi_set_fan_group(ipmi_ctx_t raw_ctx, uint8_t group, double speed)
{
char converted_speed = std::max(std::min(static_cast<char>(100), static_cast<char>(speed*100)), static_cast<char>(0));
std::cout<<"setting fan group "<<static_cast<int>(group)<<" to "<<speed*100<<"% ("<<static_cast<int>(converted_speed)<<")\n";
char command[] = {0x70, 0x66, 0x01, static_cast<char>(group), converted_speed};
char bytesrx[IPMI_RAW_MAX_ARGS] = {0};
int rxlen = ipmi_cmd_raw(raw_ctx, 0, 0x30, command, sizeof(command), bytesrx, IPMI_RAW_MAX_ARGS);
if(rxlen < 0)
{
std::cerr<<"Raw write to ipmi failed with: "<<ipmi_ctx_errormsg(raw_ctx);
return false;
}
return true;
}
int main(int argc, char **argv)
{
signal(SIGABRT, sig_handler);
@ -173,7 +134,7 @@ int main(int argc, char **argv)
if(!monitoring_ctx)
return 1;
ipmi_ctx_t raw_ctx = ipmi_open();
ipmi_ctx_t raw_ctx = ipmi_open_context();
if(!raw_ctx)
return 1;