blob: 2b41d5677be8c246502101e794cc491408fd2b5d [file] [log] [blame]
#include <stdint.h>
#include <cstdlib>
#include <cstring>
#include <fstream>
#include <iostream>
#include <algorithm>
#include <vector>
#include <memory>
#include <systemd/sd-bus.h>
#include <mapper.h>
#include <phosphor-logging/elog.hpp>
#include "host-ipmid/ipmid-api.h"
#include "elog-errors.hpp"
#include "error-HostEvent.hpp"
#include "sensorhandler.h"
#include "storagehandler.h"
#include "types.hpp"
#include "xyz/openbmc_project/Logging/Entry/server.hpp"
using namespace std;
using namespace phosphor::logging;
using namespace sdbusplus::xyz::openbmc_project::Logging::server;
extern const ipmi::sensor::InvObjectIDMap invSensors;
//////////////////////////
struct esel_section_headers_t {
uint8_t sectionid[2];
uint8_t sectionlength[2];
uint8_t version;
uint8_t subsectiontype;
uint8_t compid;
};
struct severity_values_t {
uint8_t type;
Entry::Level level;
};
const std::vector<severity_values_t> g_sev_desc = {
{0x10, Entry::Level::Warning}, // recoverable error
{0x20, Entry::Level::Warning}, // predictive error
// TODO via github issue 3066 : map level below to Level::Unrecoverable
{0x40, Entry::Level::Error}, // unrecoverable error
// TODO via github issue 3066 : map level below to Level::Critical
{0x50, Entry::Level::Error}, // critical error
{0x60, Entry::Level::Error}, // error from a diagnostic test
{0x70, Entry::Level::Warning}, // recoverable symptom
{0xFF, Entry::Level::Error}, //unknown error
};
Entry::Level sev_lookup(uint8_t n) {
auto i = std::find_if(std::begin(g_sev_desc), std::end(g_sev_desc),
[n](auto p){ return p.type == n || p.type == 0xFF; });
return i->level;
}
int find_sensor_type_string(uint8_t sensor_number, char **s) {
dbus_interface_t a;
const char *p;
int r;
r = find_openbmc_path(sensor_number, &a);
if ((r < 0) || (a.bus[0] == 0)) {
// Just make a generic message for errors that
// occur on sensors that don't exist
r = asprintf(s, "Unknown Sensor (0x%02x)", sensor_number);
} else {
if ((p = strrchr (a.path, '/')) == NULL) {
p = "/Unknown Sensor";
}
*s = strdup(p+1);
}
return 0;
}
size_t getfilestream(const char *fn, uint8_t **buffer) {
FILE *fp;
ssize_t size = 0;
int r;
if ((fp = fopen(fn, "rb")) != NULL) {
r = fseek(fp, 0, SEEK_END);
if (r) {
fprintf(stderr,"Fseek failed\n");
goto fclose_fp;
}
size = ftell(fp);
if (size == -1L) {
fprintf(stderr,"Ftell failed for %s\n", strerror(errno));
size = 0;
goto fclose_fp;
}
r = fseek(fp, 0, SEEK_SET);
if (r) {
fprintf(stderr,"Fseek failed\n");
size = 0;
goto fclose_fp;
}
*buffer = new uint8_t [size];
r = fread(*buffer, 1, size, fp);
if ( r != size) {
size = 0;
fprintf(stderr,"Fread failed\n");
}
fclose_fp:
fclose(fp);
}
return static_cast<size_t>(size);
}
Entry::Level create_esel_severity(const uint8_t *buffer) {
uint8_t severity;
// Dive in to the IBM log to find the severity
severity = (0xF0 & buffer[0x4A]);
return sev_lookup(severity);
}
int create_esel_association(const uint8_t *buffer, std::string& inventoryPath)
{
ipmi_add_sel_request_t *p;
uint8_t sensor;
p = ( ipmi_add_sel_request_t *) buffer;
sensor = p->sensornumber;
inventoryPath = {};
/*
* Search the sensor number to inventory path mapping to figure out the
* inventory associated with the ESEL.
*/
for (auto const &iter : invSensors)
{
if (iter.second.sensorID == sensor)
{
inventoryPath = iter.first;
break;
}
}
return 0;
}
int create_esel_description(const uint8_t *buffer, Entry::Level level,
char **message) {
ipmi_add_sel_request_t *p;
char *m;
int r;
p = ( ipmi_add_sel_request_t *) buffer;
find_sensor_type_string(p->sensornumber,&m);
r = asprintf(message, "A %s has experienced an error of level %d",
m, static_cast<uint32_t>(level) );
if (r == -1) {
fprintf(stderr,
"Failed to allocate memory for ESEL description\n");
}
free(m);
return 0;
}
int send_esel_to_dbus(const char *desc,
Entry::Level level,
const std::string& inventoryPath,
uint8_t *debug,
size_t debuglen)
{
// Allocate enough space to represent the data in hex separated by spaces,
// to mimic how IPMI would display the data.
unique_ptr<char[]> selData(new char[(debuglen*3) + 1]());
uint32_t i = 0;
for(i = 0; i < debuglen; i++)
{
sprintf(&selData[i*3], "%02x ", 0xFF & ((char*)debug)[i]);
}
selData[debuglen*3] = '\0';
using error = sdbusplus::org::open_power::Host::Error::Event;
using metadata = org::open_power::Host::Event;
report<error>(level,
metadata::ESEL(selData.get()),
metadata::CALLOUT_INVENTORY_PATH(inventoryPath.c_str()));
return 0;
}
void send_esel(uint16_t recordid) {
char *desc;
uint8_t *buffer = NULL;
const char *path = "/tmp/esel";
ssize_t sz;
int r;
std::string inventoryPath;
sz = getfilestream(path, &buffer);
if (sz == 0) {
printf("Error file does not exist %d\n",__LINE__);
return;
}
auto sev = create_esel_severity(buffer);
create_esel_association(buffer, inventoryPath);
create_esel_description(buffer, sev, &desc);
r = send_esel_to_dbus(desc, sev, inventoryPath, buffer, sz);
if (r < 0) {
fprintf(stderr, "Failed to send esel to dbus\n");
}
free(desc);
delete[] buffer;
return;
}
std::string readESEL(const char* fileName)
{
std::string content;
std::ifstream handle(fileName);
if (handle.fail())
{
log<level::ERR>("Failed to open eSEL", entry("FILENAME=%s", fileName));
return content;
}
handle.seekg(0, std::ios::end);
content.resize(handle.tellg());
handle.seekg(0, std::ios::beg);
handle.read(&content[0], content.size());
handle.close();
return content;
}
void createProcedureLogEntry(uint8_t procedureNum)
{
// Read the eSEL data from the file.
static constexpr auto eSELFile = "/tmp/esel";
auto eSELData = readESEL(eSELFile);
// Each byte in eSEL is formatted as %02x with a space between bytes and
// insert '/0' at the end of the character array.
static constexpr auto byteSeparator = 3;
std::unique_ptr<char[]> data(new char[
(eSELData.size() * byteSeparator) + 1]());
for (size_t i = 0; i < eSELData.size(); i++)
{
sprintf(&data[i * byteSeparator], "%02x ", eSELData[i]);
}
data[eSELData.size() * byteSeparator] = '\0';
using error = sdbusplus::org::open_power::Host::Error::MaintenanceProcedure;
using metadata = org::open_power::Host::MaintenanceProcedure;
report<error>(metadata::ESEL(data.get()),
metadata::PROCEDURE(static_cast<uint32_t>(procedureNum)));
}