blob: de3c22892769d3d3a9121773c7595339f724cf14 [file] [log] [blame]
#include <mapper.h>
#include <math.h>
#include <stdio.h>
#include <string.h>
#include <set>
#include <bitset>
#include <xyz/openbmc_project/Sensor/Value/server.hpp>
#include <systemd/sd-bus.h>
#include "host-ipmid/ipmid-api.h"
#include <phosphor-logging/log.hpp>
#include <phosphor-logging/elog-errors.hpp>
#include "ipmid.hpp"
#include "sensorhandler.h"
#include "types.hpp"
#include "utils.hpp"
#include "xyz/openbmc_project/Common/error.hpp"
extern int updateSensorRecordFromSSRAESC(const void *);
extern sd_bus *bus;
extern const ipmi::sensor::IdInfoMap sensors;
using namespace phosphor::logging;
using InternalFailure =
sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
void register_netfn_sen_functions() __attribute__((constructor));
struct sensorTypemap_t {
uint8_t number;
uint8_t typecode;
char dbusname[32];
} ;
sensorTypemap_t g_SensorTypeMap[] = {
{0x01, 0x6F, "Temp"},
{0x0C, 0x6F, "DIMM"},
{0x0C, 0x6F, "MEMORY_BUFFER"},
{0x07, 0x6F, "PROC"},
{0x07, 0x6F, "CORE"},
{0x07, 0x6F, "CPU"},
{0x0F, 0x6F, "BootProgress"},
{0xe9, 0x09, "OccStatus"}, // E9 is an internal mapping to handle sensor type code os 0x09
{0xC3, 0x6F, "BootCount"},
{0x1F, 0x6F, "OperatingSystemStatus"},
{0x12, 0x6F, "SYSTEM_EVENT"},
{0xC7, 0x03, "SYSTEM"},
{0xC7, 0x03, "MAIN_PLANAR"},
{0xC2, 0x6F, "PowerCap"},
{0x0b, 0xCA, "PowerSupplyRedundancy"},
{0xDA, 0x03, "TurboAllowed"},
{0xD8, 0xC8, "PowerSupplyDerating"},
{0xFF, 0x00, ""},
};
struct sensor_data_t {
uint8_t sennum;
} __attribute__ ((packed)) ;
struct sensorreadingresp_t {
uint8_t value;
uint8_t operation;
uint8_t indication[2];
} __attribute__ ((packed)) ;
// Use a lookup table to find the interface name of a specific sensor
// This will be used until an alternative is found. this is the first
// step for mapping IPMI
int find_interface_property_fru_type(dbus_interface_t *interface, const char *property_name, char *property_value) {
char *str1;
sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus_message *reply = NULL, *m=NULL;
int r;
r = sd_bus_message_new_method_call(bus,&m,interface->bus,interface->path,"org.freedesktop.DBus.Properties","Get");
if (r < 0) {
fprintf(stderr, "Failed to create a method call: %s", strerror(-r));
fprintf(stderr,"Bus: %s Path: %s Interface: %s \n",
interface->bus, interface->path, interface->interface);
goto final;
}
r = sd_bus_message_append(m, "ss", "org.openbmc.InventoryItem", property_name);
if (r < 0) {
fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r));
fprintf(stderr,"Bus: %s Path: %s Interface: %s \n",
interface->bus, interface->path, interface->interface);
goto final;
}
r = sd_bus_call(bus, m, 0, &error, &reply);
if (r < 0) {
fprintf(stderr, "Failed to call the method: %s", strerror(-r));
goto final;
}
r = sd_bus_message_read(reply, "v", "s", &str1) ;
if (r < 0) {
fprintf(stderr, "Failed to get a response: %s", strerror(-r));
goto final;
}
strcpy(property_value, str1);
final:
sd_bus_error_free(&error);
m = sd_bus_message_unref(m);
reply = sd_bus_message_unref(reply);
return r;
}
int get_bus_for_path(const char *path, char **busname) {
return mapper_get_service(bus, path, busname);
}
int legacy_dbus_openbmc_path(const char *type, const uint8_t num, dbus_interface_t *interface) {
char *busname = NULL;
const char *iface = "org.openbmc.managers.System";
const char *objname = "/org/openbmc/managers/System";
char *str1 = NULL, *str2, *str3;
sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus_message *reply = NULL;
int r;
r = get_bus_for_path(objname, &busname);
if (r < 0) {
fprintf(stderr, "Failed to get %s busname: %s\n",
objname, strerror(-r));
goto final;
}
r = sd_bus_call_method(bus,busname,objname,iface, "getObjectFromByteId",
&error, &reply, "sy", type, num);
if (r < 0) {
fprintf(stderr, "Failed to create a method call: %s", strerror(-r));
goto final;
}
r = sd_bus_message_read(reply, "(ss)", &str2, &str3);
if (r < 0) {
fprintf(stderr, "Failed to get a response: %s", strerror(-r));
goto final;
}
r = get_bus_for_path(str2, &str1);
if (r < 0) {
fprintf(stderr, "Failed to get %s busname: %s\n",
str2, strerror(-r));
goto final;
}
strncpy(interface->bus, str1, MAX_DBUS_PATH);
strncpy(interface->path, str2, MAX_DBUS_PATH);
strncpy(interface->interface, str3, MAX_DBUS_PATH);
interface->sensornumber = num;
// Make sure we know that the type hasn't been set, as newer codebase will
// set it automatically from the YAML at this step.
interface->sensortype = 0;
final:
sd_bus_error_free(&error);
reply = sd_bus_message_unref(reply);
free(busname);
free(str1);
return r;
}
// Use a lookup table to find the interface name of a specific sensor
// This will be used until an alternative is found. this is the first
// step for mapping IPMI
int find_openbmc_path(uint8_t num, dbus_interface_t *interface) {
int rc;
// When the sensor map does not contain the sensor requested,
// fall back to the legacy DBus lookup (deprecated)
const auto& sensor_it = sensors.find(num);
if (sensor_it == sensors.end())
{
return legacy_dbus_openbmc_path("SENSOR", num, interface);
}
const auto& info = sensor_it->second;
char* busname = nullptr;
rc = get_bus_for_path(info.sensorPath.c_str(), &busname);
if (rc < 0) {
fprintf(stderr, "Failed to get %s busname: %s\n",
info.sensorPath.c_str(),
busname);
goto final;
}
interface->sensortype = info.sensorType;
strcpy(interface->bus, busname);
strcpy(interface->path, info.sensorPath.c_str());
// Take the interface name from the beginning of the DbusInterfaceMap. This
// works for the Value interface but may not suffice for more complex
// sensors.
// tracked https://github.com/openbmc/phosphor-host-ipmid/issues/103
strcpy(interface->interface, info.propertyInterfaces.begin()->first.c_str());
interface->sensornumber = num;
final:
free(busname);
return rc;
}
/////////////////////////////////////////////////////////////////////
//
// Routines used by ipmi commands wanting to interact on the dbus
//
/////////////////////////////////////////////////////////////////////
int set_sensor_dbus_state_s(uint8_t number, const char *method, const char *value) {
dbus_interface_t a;
int r;
sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus_message *m=NULL;
fprintf(ipmidbus, "Attempting to set a dbus Variant Sensor 0x%02x via %s with a value of %s\n",
number, method, value);
r = find_openbmc_path(number, &a);
if (r < 0) {
fprintf(stderr, "Failed to find Sensor 0x%02x\n", number);
return 0;
}
r = sd_bus_message_new_method_call(bus,&m,a.bus,a.path,a.interface,method);
if (r < 0) {
fprintf(stderr, "Failed to create a method call: %s", strerror(-r));
goto final;
}
r = sd_bus_message_append(m, "v", "s", value);
if (r < 0) {
fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r));
goto final;
}
r = sd_bus_call(bus, m, 0, &error, NULL);
if (r < 0) {
fprintf(stderr, "Failed to call the method: %s", strerror(-r));
}
final:
sd_bus_error_free(&error);
m = sd_bus_message_unref(m);
return 0;
}
int set_sensor_dbus_state_y(uint8_t number, const char *method, const uint8_t value) {
dbus_interface_t a;
int r;
sd_bus_error error = SD_BUS_ERROR_NULL;
sd_bus_message *m=NULL;
fprintf(ipmidbus, "Attempting to set a dbus Variant Sensor 0x%02x via %s with a value of 0x%02x\n",
number, method, value);
r = find_openbmc_path(number, &a);
if (r < 0) {
fprintf(stderr, "Failed to find Sensor 0x%02x\n", number);
return 0;
}
r = sd_bus_message_new_method_call(bus,&m,a.bus,a.path,a.interface,method);
if (r < 0) {
fprintf(stderr, "Failed to create a method call: %s", strerror(-r));
goto final;
}
r = sd_bus_message_append(m, "v", "i", value);
if (r < 0) {
fprintf(stderr, "Failed to create a input parameter: %s", strerror(-r));
goto final;
}
r = sd_bus_call(bus, m, 0, &error, NULL);
if (r < 0) {
fprintf(stderr, "12 Failed to call the method: %s", strerror(-r));
}
final:
sd_bus_error_free(&error);
m = sd_bus_message_unref(m);
return 0;
}
uint8_t dbus_to_sensor_type(char *p) {
sensorTypemap_t *s = g_SensorTypeMap;
char r=0;
while (s->number != 0xFF) {
if (!strcmp(s->dbusname,p)) {
r = s->typecode;
break;
}
s++;
}
if (s->number == 0xFF)
printf("Failed to find Sensor Type %s\n", p);
return r;
}
uint8_t dbus_to_sensor_type_from_dbus(dbus_interface_t *a) {
char fru_type_name[64];
int r= 0;
r = find_interface_property_fru_type(a, "fru_type", fru_type_name);
if (r<0) {
fprintf(stderr, "Failed to get a fru type: %s", strerror(-r));
return -1;
} else {
return dbus_to_sensor_type(fru_type_name);
}
}
uint8_t get_type_from_interface(dbus_interface_t dbus_if) {
char *p;
uint8_t type;
// This is where sensors that do not exist in dbus but do
// exist in the host code stop. This should indicate it
// is not a supported sensor
if (dbus_if.interface[0] == 0) { return 0;}
// Fetch type from interface itself.
if (dbus_if.sensortype != 0)
{
type = dbus_if.sensortype;
}
// Legacy codebase does not populate type during initial handling:
else if (strstr(dbus_if.interface, "InventoryItem")) {
// InventoryItems are real frus. So need to get the
// fru_type property
type = dbus_to_sensor_type_from_dbus(&dbus_if);
} else {
// Non InventoryItems
p = strrchr (dbus_if.path, '/');
type = dbus_to_sensor_type(p+1);
}
return type;
}
// Replaces find_sensor
uint8_t find_type_for_sensor_number(uint8_t num) {
int r;
dbus_interface_t dbus_if;
r = find_openbmc_path(num, &dbus_if);
if (r < 0) {
fprintf(stderr, "Could not find sensor %d\n", num);
return r;
}
return get_type_from_interface(dbus_if);
}
ipmi_ret_t ipmi_sen_get_sensor_type(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
sensor_data_t *reqptr = (sensor_data_t*)request;
ipmi_ret_t rc = IPMI_CC_OK;
printf("IPMI GET_SENSOR_TYPE [0x%02X]\n",reqptr->sennum);
// TODO Not sure what the System-event-sensor is suppose to return
// need to ask Hostboot team
unsigned char buf[] = {0x00,0x6F};
buf[0] = find_type_for_sensor_number(reqptr->sennum);
// HACK UNTIL Dbus gets updated or we find a better way
if (buf[0] == 0) {
rc = IPMI_CC_SENSOR_INVALID;
}
*data_len = sizeof(buf);
memcpy(response, &buf, *data_len);
return rc;
}
const std::set<std::string> analogSensorInterfaces =
{
"xyz.openbmc_project.Sensor.Value",
};
bool isAnalogSensor(const std::string& interface)
{
return (analogSensorInterfaces.count(interface));
}
ipmi_ret_t setSensorReading(void *request)
{
ipmi::sensor::SetSensorReadingReq cmdData =
*(static_cast<ipmi::sensor::SetSensorReadingReq *>(request));
// Check if the Sensor Number is present
const auto iter = sensors.find(cmdData.number);
if (iter == sensors.end())
{
return IPMI_CC_SENSOR_INVALID;
}
try
{
return iter->second.updateFunc(cmdData, iter->second);
}
catch (InternalFailure& e)
{
log<level::ERR>("Set sensor failed",
entry("SENSOR_NUM=%d", cmdData.number));
commit<InternalFailure>();
}
catch (const std::runtime_error& e)
{
log<level::ERR>(e.what());
}
return IPMI_CC_UNSPECIFIED_ERROR;
}
ipmi_ret_t ipmi_sen_set_sensor(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
sensor_data_t *reqptr = (sensor_data_t*)request;
printf("IPMI SET_SENSOR [0x%02x]\n",reqptr->sennum);
/*
* This would support the Set Sensor Reading command for the presence
* and functional state of Processor, Core & DIMM. For the remaining
* sensors the existing support is invoked.
*/
auto ipmiRC = setSensorReading(request);
if(ipmiRC == IPMI_CC_SENSOR_INVALID)
{
updateSensorRecordFromSSRAESC(reqptr);
ipmiRC = IPMI_CC_OK;
}
*data_len=0;
return ipmiRC;
}
ipmi_ret_t ipmi_sen_get_sensor_reading(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
sensor_data_t *reqptr = (sensor_data_t*)request;
ipmi_ret_t rc = IPMI_CC_SENSOR_INVALID;
uint8_t type = 0;
sensorreadingresp_t *resp = (sensorreadingresp_t*) response;
int r;
dbus_interface_t a;
sd_bus *bus = ipmid_get_sd_bus_connection();
sd_bus_message *reply = NULL;
int reading = 0;
char* assertion = NULL;
ipmi::sensor::GetSensorResponse getResponse {};
static constexpr auto scanningEnabledBit = 6;
printf("IPMI GET_SENSOR_READING [0x%02x]\n",reqptr->sennum);
r = find_openbmc_path(reqptr->sennum, &a);
if (r < 0)
{
fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum);
}
else
{
type = get_type_from_interface(a);
if(type == 0) {
fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum);
return IPMI_CC_SENSOR_INVALID;
}
fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", a.bus, a.path,
a.interface);
}
*data_len=0;
int64_t raw_value;
ipmi::sensor::Info sensor;
switch(type) {
case 0xC2:
case 0xC8:
r = sd_bus_get_property(bus,a.bus, a.path, a.interface, "value", NULL, &reply, "i");
if (r < 0) {
fprintf(stderr, "Failed to call sd_bus_get_property:%d, %s\n", r, strerror(-r));
fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n",
a.bus, a.path, a.interface);
break;
}
r = sd_bus_message_read(reply, "i", &reading);
if (r < 0) {
fprintf(stderr, "Failed to read sensor: %s\n", strerror(-r));
break;
}
printf("Contents of a 0x%02x is 0x%02x\n", type, reading);
rc = IPMI_CC_OK;
*data_len=sizeof(sensorreadingresp_t);
resp->value = (uint8_t)reading;
resp->operation = 0;
resp->indication[0] = 0;
resp->indication[1] = 0;
break;
//TODO openbmc/openbmc#2154 Move this sensor to right place.
case 0xCA:
r = sd_bus_get_property(bus,a.bus, a.path, a.interface, "value", NULL, &reply, "s");
if (r < 0) {
fprintf(stderr, "Failed to call sd_bus_get_property:%d, %s\n", r, strerror(-r));
fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n",
a.bus, a.path, a.interface);
break;
}
r = sd_bus_message_read(reply, "s", &assertion);
if (r < 0) {
fprintf(stderr, "Failed to read sensor: %s\n", strerror(-r));
break;
}
rc = IPMI_CC_OK;
*data_len=sizeof(sensorreadingresp_t);
resp->value = 0;
resp->operation = 0;
if (strcmp(assertion,"Enabled") == 0)
{
resp->indication[0] = 0x02;
}
else
{
resp->indication[0] = 0x1;
}
resp->indication[1] = 0;
break;
case IPMI_SENSOR_TEMP:
case IPMI_SENSOR_VOLTAGE:
case IPMI_SENSOR_CURRENT:
case IPMI_SENSOR_FAN:
// Get reading for /xyz/openbmc_project/Sensor/Value.interface
if(sensors.find(reqptr->sennum) == sensors.end())
{
fprintf(stderr, "Failed to find config entry for Sensor 0x%02x\n",
reqptr->sennum);
return IPMI_CC_SENSOR_INVALID;
}
sensor = sensors.at(reqptr->sennum);
if (ipmi::sensor::Mutability::Read !=
(sensor.mutability & ipmi::sensor::Mutability::Read))
{
log<level::ERR>("Sensor was not readable.\n");
return IPMI_CC_SENSOR_INVALID;
}
// Get value
r = sd_bus_get_property_trivial(bus,
a.bus,
a.path,
a.interface,
"Value",
NULL,
'x',
&raw_value);
if (r < 0) {
fprintf(stderr,
"Failed to call sd_bus_get_property:%d, %s, 'value'\n",
r,
strerror(-r));
fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n",
a.bus, a.path, a.interface);
break;
}
// Prevent div0
if (sensor.coefficientM == 0) {
sensor.coefficientM = 1;
};
resp->value = static_cast<uint8_t>(
(raw_value - sensor.scaledOffset) / sensor.coefficientM);
resp->operation = 1 << scanningEnabledBit; // scanning enabled
resp->indication[0] = 0; // not a threshold sensor. ignore
resp->indication[1] = 0;
rc = IPMI_CC_OK;
*data_len=sizeof(sensorreadingresp_t);
break;
default:
{
const auto iter = sensors.find(reqptr->sennum);
if (iter == sensors.end())
{
return IPMI_CC_SENSOR_INVALID;
}
try
{
getResponse = iter->second.getFunc(iter->second);
*data_len = getResponse.size();
memcpy(resp, getResponse.data(), *data_len);
resp->operation = 1 << scanningEnabledBit;
return IPMI_CC_OK;
}
catch (InternalFailure& e)
{
*data_len = getResponse.size();
memcpy(resp, getResponse.data(), *data_len);
return IPMI_CC_OK;
}
catch (const std::runtime_error& e)
{
*data_len = getResponse.size();
memcpy(resp, getResponse.data(), *data_len);
return IPMI_CC_OK;
}
}
}
reply = sd_bus_message_unref(reply);
return rc;
}
ipmi_ret_t ipmi_sen_get_sensor_thresholds(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
constexpr auto warningThresholdInterface =
"xyz.openbmc_project.Sensor.Threshold.Warning";
constexpr auto criticalThresholdInterface =
"xyz.openbmc_project.Sensor.Threshold.Critical";
constexpr auto valueInterface =
"xyz.openbmc_project.Sensor.Value";
constexpr auto sensorRoot = "/xyz/openbmc_project/sensors";
ipmi::sensor::Thresholds thresholds =
{
{
warningThresholdInterface,
{
{
"WarningLow",
ipmi::sensor::ThresholdMask::NON_CRITICAL_LOW_MASK,
ipmi::sensor::ThresholdIndex::NON_CRITICAL_LOW_IDX
},
{
"WarningHigh",
ipmi::sensor::ThresholdMask::NON_CRITICAL_HIGH_MASK,
ipmi::sensor::ThresholdIndex::NON_CRITICAL_HIGH_IDX
}
}
},
{
criticalThresholdInterface,
{
{
"CriticalLow",
ipmi::sensor::ThresholdMask::CRITICAL_LOW_MASK,
ipmi::sensor::ThresholdIndex::CRITICAL_LOW_IDX
},
{
"CriticalHigh",
ipmi::sensor::ThresholdMask::CRITICAL_HIGH_MASK,
ipmi::sensor::ThresholdIndex::CRITICAL_HIGH_IDX
}
}
}
};
sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
if (*data_len != sizeof(uint8_t))
{
return IPMI_CC_REQ_DATA_LEN_INVALID;
}
auto sensorNum = *(reinterpret_cast<uint8_t*>(request));
auto responseData =
reinterpret_cast<get_sdr::GetSensorThresholdsResponse*>(response);
responseData->validMask = 0;
const auto iter = sensors.find(sensorNum);
if (iter == sensors.end())
{
return IPMI_CC_SENSOR_INVALID;
}
const auto sensorInfo = iter->second;
//Proceed only if the sensor value interface is implemented.
if (sensorInfo.propertyInterfaces.find(valueInterface) ==
sensorInfo.propertyInterfaces.end())
{
//return with valid mask as 0
return IPMI_CC_OK;
}
std::string service;
try
{
service = ipmi::getService(bus,
sensorInfo.sensorInterface,
sensorInfo.sensorPath);
}
catch (const std::runtime_error& e)
{
log<level::ERR>(e.what());
return IPMI_CC_UNSPECIFIED_ERROR;
}
//prevent divide by 0
auto coefficientM =
sensorInfo.coefficientM ? sensorInfo.coefficientM : 1;
try
{
auto mngObjects = ipmi::getManagedObjects(bus,
service,
sensorRoot);
auto senIter = mngObjects.find(sensorInfo.sensorPath);
if (senIter == mngObjects.end())
{
return IPMI_CC_SENSOR_INVALID;
}
for (const auto& threshold : thresholds)
{
auto thresholdType = senIter->second.find(threshold.first);
if (thresholdType != senIter->second.end())
{
for (const auto& threshLevel : threshold.second)
{
auto val = thresholdType->
second[threshLevel.property].get<int64_t>();
if (val != 0)
{
auto idx = static_cast<uint8_t>(threshLevel.idx);
responseData->data[idx] = static_cast<uint8_t>(
(val - sensorInfo.scaledOffset) / coefficientM);
responseData->validMask |=
static_cast<uint8_t>(threshLevel.maskValue);
}
}
}
}
}
catch (InternalFailure& e)
{
//Not able to get the values, reset the mask.
responseData->validMask = 0;
}
*data_len = sizeof(get_sdr::GetSensorThresholdsResponse);
return IPMI_CC_OK;
}
ipmi_ret_t ipmi_sen_wildcard(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t rc = IPMI_CC_INVALID;
printf("IPMI S/E Wildcard Netfn:[0x%X], Cmd:[0x%X]\n",netfn,cmd);
*data_len = 0;
return rc;
}
ipmi_ret_t ipmi_sen_get_sdr_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
auto resp = static_cast<get_sdr_info::GetSdrInfoResp*>(response);
if (request == nullptr ||
get_sdr_info::request::get_count(request) == false)
{
// Get Sensor Count
resp->count = sensors.size();
}
else
{
resp->count = 1;
}
// Multiple LUNs not supported.
namespace response = get_sdr_info::response;
response::set_lun_present(0, &(resp->luns_and_dynamic_population));
response::set_lun_not_present(1, &(resp->luns_and_dynamic_population));
response::set_lun_not_present(2, &(resp->luns_and_dynamic_population));
response::set_lun_not_present(3, &(resp->luns_and_dynamic_population));
response::set_static_population(&(resp->luns_and_dynamic_population));
*data_len = SDR_INFO_RESP_SIZE;
return IPMI_CC_OK;
}
ipmi_ret_t ipmi_sen_reserve_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request,
ipmi_response_t response,
ipmi_data_len_t data_len,
ipmi_context_t context)
{
// A constant reservation ID is okay until we implement add/remove SDR.
const uint16_t reservation_id = 1;
*(uint16_t*)response = reservation_id;
*data_len = sizeof(uint16_t);
printf("Created new IPMI SDR reservation ID %d\n", *(uint16_t*)response);
return IPMI_CC_OK;
}
void setUnitFieldsForObject(sd_bus *bus,
const dbus_interface_t &iface,
const ipmi::sensor::Info *info,
get_sdr::SensorDataFullRecordBody *body)
{
if (info->propertyInterfaces.begin()->first ==
"xyz.openbmc_project.Sensor.Value")
{
std::string result {};
if (info->unit.empty())
{
char *raw_cstr = NULL;
if (0 > sd_bus_get_property_string(bus, iface.bus, iface.path,
iface.interface, "Unit", NULL,
&raw_cstr))
{
log<level::WARNING>("Unit interface missing.",
entry("BUS=%s", iface.bus),
entry("PATH=%s", iface.path));
}
else
{
result = raw_cstr;
}
free(raw_cstr);
}
else
{
result = info->unit;
}
namespace server = sdbusplus::xyz::openbmc_project::Sensor::server;
try {
auto unit = server::Value::convertUnitFromString(result);
// Unit strings defined in
// phosphor-dbus-interfaces/xyz/openbmc_project/Sensor/Value.interface.yaml
switch (unit)
{
case server::Value::Unit::DegreesC:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_DEGREES_C;
break;
case server::Value::Unit::RPMS:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_REVOLUTIONS; // revolutions
get_sdr::body::set_rate_unit(0b100, body); // per minute
break;
case server::Value::Unit::Volts:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_VOLTS;
break;
case server::Value::Unit::Meters:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_METERS;
break;
case server::Value::Unit::Amperes:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_AMPERES;
break;
case server::Value::Unit::Joules:
body->sensor_units_2_base = get_sdr::SENSOR_UNIT_JOULES;
break;
default:
// Cannot be hit.
fprintf(stderr, "Unknown value unit type: = %s\n", result.c_str());
}
}
catch (sdbusplus::exception::InvalidEnumString e)
{
log<level::WARNING>("Warning: no unit provided for sensor!");
}
}
}
int64_t getScaleForObject(sd_bus *bus,
const dbus_interface_t& iface,
const ipmi::sensor::Info *info)
{
int64_t result = 0;
if (info->propertyInterfaces.begin()->first ==
"xyz.openbmc_project.Sensor.Value")
{
if (info->hasScale)
{
result = info->scale;
}
else
{
if (0 > sd_bus_get_property_trivial(bus,
iface.bus,
iface.path,
iface.interface,
"Scale",
NULL,
'x',
&result)) {
log<level::WARNING>("Scale interface missing.",
entry("BUS=%s", iface.bus),
entry("PATH=%s", iface.path));
}
}
}
return result;
}
ipmi_ret_t populate_record_from_dbus(get_sdr::SensorDataFullRecordBody *body,
const ipmi::sensor::Info *info,
ipmi_data_len_t data_len)
{
/* Functional sensor case */
if (isAnalogSensor(info->propertyInterfaces.begin()->first))
{
// Get bus
sd_bus *bus = ipmid_get_sd_bus_connection();
dbus_interface_t iface;
if (0 > find_openbmc_path(body->entity_id, &iface))
return IPMI_CC_SENSOR_INVALID;
body->sensor_units_1 = 0; // unsigned, no rate, no modifier, not a %
/* Unit info */
setUnitFieldsForObject(bus, iface, info, body);
/* Modifiers to reading info */
// Get scale
int64_t scale = getScaleForObject(bus, iface, info);
get_sdr::body::set_b(info->coefficientB, body);
get_sdr::body::set_m(info->coefficientM, body);
get_sdr::body::set_b_exp(info->exponentB, body);
get_sdr::body::set_r_exp(scale, body);
get_sdr::body::set_id_type(0b00, body); // 00 = unicode
}
/* ID string */
auto id_string = info->sensorNameFunc(*info);
if (id_string.length() > FULL_RECORD_ID_STR_MAX_LENGTH)
{
get_sdr::body::set_id_strlen(FULL_RECORD_ID_STR_MAX_LENGTH, body);
}
else
{
get_sdr::body::set_id_strlen(id_string.length(), body);
}
strncpy(body->id_string, id_string.c_str(),
get_sdr::body::get_id_strlen(body));
return IPMI_CC_OK;
};
ipmi_ret_t ipmi_sen_get_sdr(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
ipmi_request_t request, ipmi_response_t response,
ipmi_data_len_t data_len, ipmi_context_t context)
{
ipmi_ret_t ret = IPMI_CC_OK;
get_sdr::GetSdrReq *req = (get_sdr::GetSdrReq*)request;
get_sdr::GetSdrResp *resp = (get_sdr::GetSdrResp*)response;
get_sdr::SensorDataFullRecord record = {0};
if (req != NULL)
{
// Note: we use an iterator so we can provide the next ID at the end of
// the call.
auto sensor = sensors.begin();
// At the beginning of a scan, the host side will send us id=0.
if (get_sdr::request::get_record_id(req) != 0)
{
sensor = sensors.find(get_sdr::request::get_record_id(req));
if(sensor == sensors.end()) {
return IPMI_CC_SENSOR_INVALID;
}
}
uint8_t sensor_id = sensor->first;
/* Header */
get_sdr::header::set_record_id(sensor_id, &(record.header));
record.header.sdr_version = 0x51; // Based on IPMI Spec v2.0 rev 1.1
record.header.record_type = get_sdr::SENSOR_DATA_FULL_RECORD;
record.header.record_length = sizeof(get_sdr::SensorDataFullRecord);
/* Key */
get_sdr::key::set_owner_id_bmc(&(record.key));
record.key.sensor_number = sensor_id;
/* Body */
record.body.entity_id = sensor->second.entityType;
record.body.sensor_type = sensor->second.sensorType;
record.body.event_reading_type = sensor->second.sensorReadingType;
record.body.entity_instance = sensor->second.instance;
// Set the type-specific details given the DBus interface
ret = populate_record_from_dbus(&(record.body), &(sensor->second),
data_len);
if (++sensor == sensors.end())
{
get_sdr::response::set_next_record_id(0xFFFF, resp); // last record
}
else
{
get_sdr::response::set_next_record_id(sensor->first, resp);
}
*data_len = sizeof(get_sdr::GetSdrResp) - req->offset;
memcpy(resp->record_data, (char*)&record + req->offset,
sizeof(get_sdr::SensorDataFullRecord) - req->offset);
}
return ret;
}
void register_netfn_sen_functions()
{
// <Wildcard Command>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_SENSOR, IPMI_CMD_WILDCARD);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_WILDCARD,
nullptr, ipmi_sen_wildcard,
PRIVILEGE_USER);
// <Get Sensor Type>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_TYPE);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_TYPE,
nullptr, ipmi_sen_get_sensor_type,
PRIVILEGE_USER);
// <Set Sensor Reading and Event Status>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_SENSOR, IPMI_CMD_SET_SENSOR);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_SET_SENSOR,
nullptr, ipmi_sen_set_sensor,
PRIVILEGE_OPERATOR);
// <Get Sensor Reading>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_READING);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_READING,
nullptr, ipmi_sen_get_sensor_reading,
PRIVILEGE_USER);
// <Reserve SDR>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",
NETFUN_SENSOR, IPMI_CMD_RESERVE_SDR_REPO);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_RESERVE_SDR_REPO,
nullptr, ipmi_sen_reserve_sdr,
PRIVILEGE_USER);
// <Get SDR Info>
printf("Registering NetFn:[0x%X], Cmd:[0x%x]\n",
NETFUN_SENSOR, IPMI_CMD_GET_SDR_INFO);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SDR_INFO,
nullptr, ipmi_sen_get_sdr_info,
PRIVILEGE_USER);
// <Get SDR>
printf("Registering NetFn:[0x%X], Cmd:[0x%x]\n",
NETFUN_SENSOR, IPMI_CMD_GET_SDR);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SDR,
nullptr, ipmi_sen_get_sdr,
PRIVILEGE_USER);
// <Get Sensor Thresholds>
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_GET_SENSOR_THRESHOLDS,
nullptr, ipmi_sen_get_sensor_thresholds,
PRIVILEGE_USER);
return;
}