blob: 6503db8c6291836285488330b9b489b7249a5904 [file] [log] [blame]
#include "sensorhandler.h"
#include "host-ipmid/ipmid-api.h"
#include <mapper.h>
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <systemd/sd-bus.h>
#include "ipmid.hpp"
extern int updateSensorRecordFromSSRAESC(const void *);
extern sd_bus *bus;
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"},
{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;
}
// 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(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 = mapper_get_service(bus, objname, &busname);
if (r < 0) {
fprintf(stderr, "Failed to get system manager busname: %s\n", 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 = mapper_get_service(bus, str2, &str1);
if (r < 0) {
fprintf(stderr, "Failed to get item busname: %s\n", 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;
final:
sd_bus_error_free(&error);
reply = sd_bus_message_unref(reply);
free(busname);
free(str1);
return r;
}
/////////////////////////////////////////////////////////////////////
//
// 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("SENSOR", 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("SENSOR", 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->number;
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 find_sensor(uint8_t sensor_number) {
dbus_interface_t a;
char *p;
char r;
r = find_openbmc_path("SENSOR", sensor_number, &a);
if (r < 0) { return 0; }
// 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 (a.interface[0] == 0) { return 0;}
if (strstr(a.interface, "InventoryItem")) {
// InventoryItems are real frus. So need to get the
// fru_type property
r = dbus_to_sensor_type_from_dbus(&a);
} else {
// Non InventoryItems
p = strrchr (a.path, '/');
r = dbus_to_sensor_type(p+1);
}
return r;
}
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_sensor(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;
}
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;
ipmi_ret_t rc = IPMI_CC_OK;
printf("IPMI SET_SENSOR [0x%02x]\n",reqptr->sennum);
updateSensorRecordFromSSRAESC(reqptr);
*data_len=0;
return rc;
}
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;
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;
printf("IPMI GET_SENSOR_READING [0x%02x]\n",reqptr->sennum);
r = find_openbmc_path("SENSOR", reqptr->sennum, &a);
if (r < 0) {
fprintf(stderr, "Failed to find Sensor 0x%02x\n", reqptr->sennum);
return IPMI_CC_SENSOR_INVALID;
}
type = find_sensor(reqptr->sennum);
fprintf(stderr, "Bus: %s, Path: %s, Interface: %s\n", a.bus, a.path, a.interface);
*data_len=0;
switch(type) {
case 0xC3:
case 0xC2:
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;
default:
*data_len=0;
rc = IPMI_CC_SENSOR_INVALID;
break;
}
reply = sd_bus_message_unref(reply);
return rc;
}
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;
}
void register_netfn_sen_functions()
{
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_SENSOR, IPMI_CMD_WILDCARD);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_WILDCARD, NULL, ipmi_sen_wildcard);
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, NULL, ipmi_sen_get_sensor_type);
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_SENSOR, IPMI_CMD_SET_SENSOR);
ipmi_register_callback(NETFUN_SENSOR, IPMI_CMD_SET_SENSOR, NULL, ipmi_sen_set_sensor);
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, NULL, ipmi_sen_get_sensor_reading);
return;
}