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sensorhandler.C
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sensorhandler.C
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#include "sensorhandler.h"
#include "ipmid-api.h"
#include <stdio.h>
#include <string.h>
#include <stdint.h>
extern int updateSensorRecordFromSSRAESC(const void *);
extern int find_interface_property_fru_type(dbus_interface_t *interface, const char *property_name, char *property_value) ;
extern int find_openbmc_path(const char *type, const uint8_t num, dbus_interface_t *interface) ;
void register_netfn_sen_functions() __attribute__((constructor));
struct sensorTypemap_t {
uint8_t number;
char dbusname[32];
} ;
sensorTypemap_t g_SensorTypeMap[] = {
{0x01, "Temp"},
{0x0C, "DIMM"},
{0x0C, "MEMORY_BUFFER"},
{0x07, "PROC"},
{0x07, "CORE"},
{0x07, "CPU"},
{0x0F, "BootProgress"},
{0xC3, "OccStatus"},
{0xC3, "BootCount"},
{0xFF, ""}
};
struct sensor_data_t {
uint8_t sennum;
} __attribute__ ((packed)) ;
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.bus[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) {
switch(reqptr->sennum) {
case 0x35 : buf[0] = 0x12; buf[1] = 0x6F; break;
case 0x37 : buf[0] = 0xC7; buf[1] = 0x03; break;
case 0x38 : buf[0] = 0xC7; buf[1] = 0x03; break;
case 0x39 : buf[0] = 0xC7; buf[1] = 0x03; break;
case 0x3A : buf[0] = 0xC7; buf[1] = 0x03; break;
default: 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;
unsigned short rlen;
rlen = (unsigned short) *data_len;
printf("IPMI SET_SENSOR [0x%02x]\n",reqptr->sennum);
updateSensorRecordFromSSRAESC(reqptr);
*data_len=0;
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_OK;
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);
return;
}