storageaddsel.cpp - openbmc/phosphor-host-ipmid - Gitiles

 #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) {
             log<level::ERR>("Fseek failed");
             goto fclose_fp;
         }

         size = ftell(fp);
         if (size == -1L) {
             log<level::ERR>("Ftell failed",
                             entry("ERROR=%s", strerror(errno)));
             size = 0;
             goto fclose_fp;
         }

         r = fseek(fp, 0, SEEK_SET);
         if (r) {
             log<level::ERR>("Fseek failed");
             size = 0;
             goto fclose_fp;
         }

         *buffer = new uint8_t [size];

         r = fread(*buffer, 1, size, fp);
         if ( r != size) {
             size = 0;
             log<level::ERR>("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) {
         log<level::ERR>("Failed to allocate memory for ESEL description");
     }

     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) {
         log<level::ERR>("Error file does not exist",
                         entry("FILENAME=%s", path));
         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) {
         log<level::ERR>("Failed to send esel to dbus");
     }

     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)));
 }
	#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) {
	log<level::ERR>("Fseek failed");
	goto fclose_fp;
	}

	size = ftell(fp);
	if (size == -1L) {
	log<level::ERR>("Ftell failed",
	entry("ERROR=%s", strerror(errno)));
	size = 0;
	goto fclose_fp;
	}

	r = fseek(fp, 0, SEEK_SET);
	if (r) {
	log<level::ERR>("Fseek failed");
	size = 0;
	goto fclose_fp;
	}

	*buffer = new uint8_t [size];

	r = fread(*buffer, 1, size, fp);
	if ( r != size) {
	size = 0;
	log<level::ERR>("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) {
	log<level::ERR>("Failed to allocate memory for ESEL description");
	}

	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[i3], "%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) {
	log<level::ERR>("Error file does not exist",
	entry("FILENAME=%s", path));
	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) {
	log<level::ERR>("Failed to send esel to dbus");
	}

	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)));
	}