static int
_ipmi_monitoring_sdr_cache_retrieve (ipmi_monitoring_ctx_t c,
const char *hostname,
char *filename,
unsigned int sdr_create_flags)
{
assert (c);
assert (c->magic == IPMI_MONITORING_MAGIC);
assert (c->sdr_ctx);
assert (c->ipmi_ctx);
assert (filename && strlen (filename));
if (ipmi_sdr_cache_create (c->sdr_ctx,
c->ipmi_ctx,
filename,
sdr_create_flags,
NULL,
NULL) < 0)
{
IPMI_MONITORING_DEBUG (("ipmi_sdr_cache_create: %s", ipmi_sdr_ctx_errormsg (c->sdr_ctx)));
if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_FILESYSTEM)
c->errnum = IPMI_MONITORING_ERR_SDR_CACHE_FILESYSTEM;
else if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_PERMISSION)
c->errnum = IPMI_MONITORING_ERR_SDR_CACHE_PERMISSION;
else if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_IPMI_ERROR)
ipmi_monitoring_ipmi_ctx_error_convert (c);
else if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_SYSTEM_ERROR)
c->errnum = IPMI_MONITORING_ERR_SYSTEM_ERROR;
else
c->errnum = IPMI_MONITORING_ERR_INTERNAL_ERROR;
return (-1);
}
return (0);
}
int
ipmi_sdr_cache_sdr_version (ipmi_sdr_ctx_t ctx, uint8_t *sdr_version)
{
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (!sdr_version)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
*sdr_version = ctx->sdr_version;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (0);
}
int
ipmi_sdr_cache_record_count (ipmi_sdr_ctx_t ctx, uint16_t *record_count)
{
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (!record_count)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
*record_count = ctx->record_count;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (0);
}
int
ipmi_sdr_cache_most_recent_erase_timestamp (ipmi_sdr_ctx_t ctx, uint32_t *most_recent_erase_timestamp)
{
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (!most_recent_erase_timestamp)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
*most_recent_erase_timestamp = ctx->most_recent_erase_timestamp;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (0);
}
int
ipmi_sdr_cache_next (ipmi_sdr_ctx_t ctx)
{
unsigned int record_length;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
record_length = (uint8_t)((ctx->sdr_cache + ctx->current_offset.offset)[IPMI_SDR_RECORD_LENGTH_INDEX]);
if ((ctx->current_offset.offset + record_length + IPMI_SDR_RECORD_HEADER_LENGTH) >= ctx->records_end_offset)
return (0);
_sdr_set_current_offset (ctx, ctx->current_offset.offset + IPMI_SDR_RECORD_HEADER_LENGTH + record_length);
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (1);
}
int
ipmi_sdr_stats_entity_instance_unique (ipmi_sdr_ctx_t ctx, uint8_t entity_id)
{
int rv = -1;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
if (!ctx->stats_compiled)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_STATS_NOT_COMPILED);
return (-1);
}
rv = ctx->entity_counts[entity_id].entity_instances_count;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (rv);
}
int
ipmi_sdr_stats_compile (ipmi_sdr_ctx_t ctx)
{
int rv = -1;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
if (ctx->stats_compiled)
goto out;
if (ipmi_sdr_cache_iterate (ctx,
_sdr_stat_callback,
NULL) < 0)
goto cleanup;
ctx->stats_compiled = 1;
out:
rv = 0;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
cleanup:
return (rv);
}
int
ipmi_sdr_cache_search_record_id (ipmi_sdr_ctx_t ctx, uint16_t record_id)
{
off_t offset;
int found = 0;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
offset = ctx->records_start_offset;
while (offset < ctx->records_end_offset)
{
uint8_t *ptr = ctx->sdr_cache + offset;
uint16_t record_id_current;
unsigned int record_length;
/* Record ID stored little-endian */
record_id_current = (uint16_t)ptr[IPMI_SDR_RECORD_ID_INDEX_LS] & 0xFF;
record_id_current |= ((uint16_t)ptr[IPMI_SDR_RECORD_ID_INDEX_MS] & 0xFF) << 8;
if (record_id == record_id_current)
{
found++;
_sdr_set_current_offset (ctx, offset);
break;
}
record_length = (uint8_t)((ctx->sdr_cache + offset)[IPMI_SDR_RECORD_LENGTH_INDEX]);
if ((offset + record_length + IPMI_SDR_RECORD_HEADER_LENGTH) >= ctx->records_end_offset)
break;
offset += IPMI_SDR_RECORD_HEADER_LENGTH;
offset += record_length;
}
if (!found)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_NOT_FOUND);
return (-1);
}
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (0);
}
static int
_ipmi_monitoring_sdr_cache_delete (ipmi_monitoring_ctx_t c,
const char *hostname,
char *filename)
{
assert (c);
assert (c->magic == IPMI_MONITORING_MAGIC);
assert (c->sdr_ctx);
if (ipmi_sdr_cache_delete (c->sdr_ctx, filename) < 0)
{
if (ipmi_sdr_ctx_errnum (c->sdr_ctx) != IPMI_SDR_ERR_FILENAME_INVALID)
{
IPMI_MONITORING_DEBUG (("ipmi_sdr_cache_delete: %s", ipmi_sdr_ctx_errormsg (c->sdr_ctx)));
if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_PERMISSION)
c->errnum = IPMI_MONITORING_ERR_SDR_CACHE_PERMISSION;
else
c->errnum = IPMI_MONITORING_ERR_INTERNAL_ERROR;
return (-1);
}
}
return (0);
}
int
ipmi_sdr_cache_delete (ipmi_sdr_ctx_t ctx, const char *filename)
{
int rv = -1;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (!filename)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_UNINITIALIZED)
{
if (ctx->operation == IPMI_SDR_OPERATION_READ_CACHE)
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CONTEXT_PERFORMING_OTHER_OPERATION);
else
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_INTERNAL_ERROR);
return (-1);
}
ctx->operation = IPMI_SDR_OPERATION_DELETE_CACHE;
if (unlink (filename) < 0)
{
/* If there is no file (ENOENT), its ok */
if (errno != ENOENT)
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
}
rv = 0;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
cleanup:
ctx->operation = IPMI_SDR_OPERATION_UNINITIALIZED;
return (rv);
}
int
ipmi_sdr_cache_seek (ipmi_sdr_ctx_t ctx, unsigned int index)
{
off_t offset;
unsigned int i;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
if (index >= ctx->record_count)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
offset = ctx->records_start_offset;
for (i = 0; i < index; i++)
{
unsigned int record_length;
record_length = (uint8_t)((ctx->sdr_cache + offset)[IPMI_SDR_RECORD_LENGTH_INDEX]);
if ((offset + record_length + IPMI_SDR_RECORD_HEADER_LENGTH) >= ctx->records_end_offset)
break;
offset += IPMI_SDR_RECORD_HEADER_LENGTH;
offset += record_length;
}
_sdr_set_current_offset (ctx, offset);
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (0);
}
int
ipmi_sdr_cache_first (ipmi_sdr_ctx_t ctx)
{
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
_sdr_set_current_offset (ctx, ctx->records_start_offset);
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (0);
}
int
ipmi_sdr_cache_create (ipmi_sdr_ctx_t ctx,
ipmi_ctx_t ipmi_ctx,
const char *filename,
int cache_create_flags,
Ipmi_Sdr_Cache_Create_Callback create_callback,
void *create_callback_data)
{
int open_flags;
uint8_t sdr_version;
uint16_t record_count, reservation_id, record_id, next_record_id;
uint32_t most_recent_addition_timestamp, most_recent_erase_timestamp;
unsigned int record_count_written = 0;
unsigned int total_bytes_written = 0;
uint16_t *record_ids = NULL;
unsigned int record_ids_count = 0;
unsigned int cache_create_flags_mask = (IPMI_SDR_CACHE_CREATE_FLAGS_OVERWRITE
| IPMI_SDR_CACHE_CREATE_FLAGS_DUPLICATE_RECORD_ID
| IPMI_SDR_CACHE_CREATE_FLAGS_ASSUME_MAX_SDR_RECORD_COUNT);
uint8_t trailer_checksum = 0;
int fd = -1;
int rv = -1;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
/* Version cannot be 0h according to the IPMI spec */
if (!ipmi_ctx
|| !filename
|| (strlen (filename) > MAXPATHLEN)
|| (cache_create_flags & ~cache_create_flags_mask))
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_UNINITIALIZED)
{
if (ctx->operation == IPMI_SDR_OPERATION_READ_CACHE)
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CONTEXT_PERFORMING_OTHER_OPERATION);
else
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_INTERNAL_ERROR);
return (-1);
}
ctx->operation = IPMI_SDR_OPERATION_CREATE_CACHE;
if (cache_create_flags & IPMI_SDR_CACHE_CREATE_FLAGS_OVERWRITE)
open_flags = O_CREAT | O_TRUNC | O_WRONLY;
else
open_flags = O_CREAT | O_EXCL | O_WRONLY;
if ((fd = open (filename, open_flags, 0644)) < 0)
{
if (!(cache_create_flags & IPMI_SDR_CACHE_CREATE_FLAGS_OVERWRITE)
&& errno == EEXIST)
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_CREATE_CACHE_EXISTS);
else if (errno == EPERM
|| errno == EACCES
|| errno == EISDIR
|| errno == EROFS)
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PERMISSION);
else if (errno == ENAMETOOLONG
|| errno == ENOENT
|| errno == ELOOP)
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_FILENAME_INVALID);
else if (errno == ENOSPC
|| errno == EMFILE
|| errno == ENFILE)
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_FILESYSTEM);
else
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_SYSTEM_ERROR);
goto cleanup;
}
if (sdr_info (ctx,
ipmi_ctx,
&sdr_version,
&record_count,
&most_recent_addition_timestamp,
&most_recent_erase_timestamp) < 0)
goto cleanup;
if (!record_count)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_CREATE_INVALID_RECORD_COUNT);
goto cleanup;
}
if (_sdr_cache_header_write (ctx,
ipmi_ctx,
fd,
&total_bytes_written,
sdr_version,
record_count,
most_recent_addition_timestamp,
most_recent_erase_timestamp) < 0)
goto cleanup;
/* Version cannot be 0h according to the IPMI spec, but we accept it regardless */
ctx->sdr_version = sdr_version;
ctx->record_count = record_count;
ctx->most_recent_addition_timestamp = most_recent_addition_timestamp;
ctx->most_recent_erase_timestamp = most_recent_erase_timestamp;
if (cache_create_flags & IPMI_SDR_CACHE_CREATE_FLAGS_DUPLICATE_RECORD_ID)
{
if (!(record_ids = (uint16_t *)malloc (ctx->record_count * sizeof (uint16_t))))
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_OUT_OF_MEMORY);
goto cleanup;
}
record_ids_count = 0;
}
if (_sdr_cache_reservation_id (ctx,
ipmi_ctx,
&reservation_id) < 0)
goto cleanup;
next_record_id = IPMI_SDR_RECORD_ID_FIRST;
while (next_record_id != IPMI_SDR_RECORD_ID_LAST)
{
uint8_t record_buf[IPMI_SDR_MAX_RECORD_LENGTH];
int record_len;
if (record_count_written >= ctx->record_count)
{
/* IPMI Workaround
*
* Discovered on unspecified Inspur motherboard
*
* SDR record reading is broken, the IPMI_SDR_RECORD_ID_LAST
* record id never occurs. So this workaround allows the
* user to not error out and avoids this loop from looping
* infinitely.
*
*/
if (cache_create_flags & IPMI_SDR_CACHE_CREATE_FLAGS_ASSUME_MAX_SDR_RECORD_COUNT)
break;
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_CREATE_INVALID_RECORD_COUNT);
goto cleanup;
}
record_id = next_record_id;
if ((record_len = _sdr_cache_get_record (ctx,
ipmi_ctx,
record_id,
record_buf,
IPMI_SDR_MAX_RECORD_LENGTH,
&reservation_id,
&next_record_id)) < 0)
goto cleanup;
if (record_len)
{
if (ctx->flags & IPMI_SDR_FLAGS_DEBUG_DUMP)
{
const char *record_str;
if ((record_str = sdr_record_type_str (ctx,
record_buf,
record_len)))
{
char hdrbuf[IPMI_SDR_CACHE_DEBUG_BUFLEN];
debug_hdr_str (DEBUG_UTIL_TYPE_NONE,
DEBUG_UTIL_DIRECTION_NONE,
DEBUG_UTIL_FLAGS_DEFAULT,
record_str,
hdrbuf,
IPMI_SDR_CACHE_DEBUG_BUFLEN);
ipmi_dump_sdr_record (STDERR_FILENO,
ctx->debug_prefix,
hdrbuf,
NULL,
record_buf,
record_len);
}
}
if (_sdr_cache_record_write (ctx,
fd,
&total_bytes_written,
record_ids,
&record_ids_count,
record_buf,
record_len,
&trailer_checksum) < 0)
goto cleanup;
record_count_written++;
if (create_callback)
(*create_callback)(ctx->sdr_version,
ctx->record_count,
ctx->most_recent_addition_timestamp,
ctx->most_recent_erase_timestamp,
record_id,
create_callback_data);
}
}
if (record_count_written != ctx->record_count)
{
/*
* IPMI Workaround (achu)
*
* Discovered on Fujitsu RX 100
* Discovered on Fujitsu RX300/200-S8
*
* The record_count listed from the Get SDR Repository Info command
* is not consistent with the length of SDR records stored.
*
* We will assume that if we reached the end of the SDR record
* list (i.e. next_record_id == 0xFFFF), a non-zero number of
* records were written, it's ok and we can continue on.
*/
if (next_record_id == IPMI_SDR_RECORD_ID_LAST
&& record_count_written)
{
unsigned int total_bytes_written_temp = 0;
ctx->record_count = record_count_written;
/* need to seek back to the beginning of the file and
* re-write the header info with the correct number of
* records
*/
if (lseek (fd, 0, SEEK_SET) < 0)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_SYSTEM_ERROR);
goto cleanup;
}
if (_sdr_cache_header_write (ctx,
ipmi_ctx,
fd,
&total_bytes_written_temp,
ctx->sdr_version,
ctx->record_count,
ctx->most_recent_addition_timestamp,
ctx->most_recent_erase_timestamp) < 0)
goto cleanup;
/* need to seek back to the end of the file to write the
* trailer below
*/
if (lseek (fd, 0, SEEK_END) < 0)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_SYSTEM_ERROR);
goto cleanup;
}
}
else
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_CREATE_INVALID_RECORD_COUNT);
goto cleanup;
}
}
if (_sdr_cache_trailer_write (ctx,
ipmi_ctx,
fd,
total_bytes_written,
trailer_checksum) < 0)
goto cleanup;
if (fsync (fd) < 0)
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
if (close (fd) < 0)
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
fd = -1;
rv = 0;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
cleanup:
ctx->operation = IPMI_SDR_OPERATION_UNINITIALIZED;
if (fd >= 0)
{
/* If the cache create never completed, try to remove the file */
/* ignore potential error, cleanup path */
unlink (filename);
/* ignore potential error, cleanup path */
close (fd);
}
free (record_ids);
sdr_init_ctx (ctx);
return (rv);
}
int
ipmi_monitoring_sdr_cache_load (ipmi_monitoring_ctx_t c,
const char *hostname,
unsigned int sdr_create_flags)
{
char filename[MAXPATHLEN+1];
assert (c);
assert (c->magic == IPMI_MONITORING_MAGIC);
assert (c->ipmi_ctx);
memset (filename, '\0', MAXPATHLEN + 1);
if (_ipmi_monitoring_sdr_cache_filename (c, hostname, filename, MAXPATHLEN + 1) < 0)
goto cleanup;
if (_ipmi_monitoring_sdr_ctx_init (c, hostname) < 0)
goto cleanup;
if (ipmi_sdr_cache_open (c->sdr_ctx,
c->ipmi_ctx,
filename) < 0)
{
if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_CACHE_READ_CACHE_DOES_NOT_EXIST)
{
if (_ipmi_monitoring_sdr_cache_retrieve (c, hostname, filename, sdr_create_flags) < 0)
goto cleanup;
}
else if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_CACHE_INVALID
|| ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_CACHE_OUT_OF_DATE)
{
if (_ipmi_monitoring_sdr_cache_delete (c, hostname, filename) < 0)
goto cleanup;
if (_ipmi_monitoring_sdr_cache_retrieve (c, hostname, filename, sdr_create_flags) < 0)
goto cleanup;
}
else if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_FILESYSTEM)
{
c->errnum = IPMI_MONITORING_ERR_SDR_CACHE_FILESYSTEM;
goto cleanup;
}
else if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_PERMISSION)
{
c->errnum = IPMI_MONITORING_ERR_SDR_CACHE_PERMISSION;
goto cleanup;
}
else
{
IPMI_MONITORING_DEBUG (("ipmi_sdr_cache_open: %s", ipmi_sdr_ctx_errormsg (c->sdr_ctx)));
c->errnum = IPMI_MONITORING_ERR_INTERNAL_ERROR;
goto cleanup;
}
/* 2nd try after the sdr was retrieved*/
if (ipmi_sdr_cache_open (c->sdr_ctx,
c->ipmi_ctx,
filename) < 0)
{
if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_FILESYSTEM)
{
c->errnum = IPMI_MONITORING_ERR_SDR_CACHE_FILESYSTEM;
goto cleanup;
}
else if (ipmi_sdr_ctx_errnum (c->sdr_ctx) == IPMI_SDR_ERR_PERMISSION)
{
c->errnum = IPMI_MONITORING_ERR_SDR_CACHE_PERMISSION;
goto cleanup;
}
else
{
IPMI_MONITORING_DEBUG (("ipmi_sdr_cache_open: %s", ipmi_sdr_ctx_errormsg (c->sdr_ctx)));
c->errnum = IPMI_MONITORING_ERR_INTERNAL_ERROR;
goto cleanup;
}
}
}
return (0);
cleanup:
if (strlen (filename))
ipmi_sdr_cache_delete (c->sdr_ctx, filename);
ipmi_sdr_ctx_destroy (c->sdr_ctx);
c->sdr_ctx = NULL;
return (-1);
}
int
ipmi_sdr_parse_sensor_name (ipmi_sdr_ctx_t ctx,
const void *sdr_record,
unsigned int sdr_record_len,
uint8_t sensor_number,
unsigned int flags,
char *buf,
unsigned int buflen)
{
char id_string[IPMI_SDR_MAX_ID_STRING_LENGTH + 1];
char device_id_string[IPMI_SDR_MAX_DEVICE_ID_STRING_LENGTH + 1];
char *id_string_ptr = NULL;
uint8_t record_type;
unsigned int flags_mask = (IPMI_SDR_SENSOR_NAME_FLAGS_IGNORE_SHARED_SENSORS);
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
if (((sdr_record_len && !sdr_record_len)
|| (!sdr_record && sdr_record_len))
|| (flags & ~flags_mask)
|| !buf
|| !buflen)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
memset (buf, '\0', buflen);
if (ipmi_sdr_parse_record_id_and_type (ctx,
sdr_record,
sdr_record_len,
NULL,
&record_type) < 0)
return (-1);
if (record_type == IPMI_SDR_FORMAT_FULL_SENSOR_RECORD
|| record_type == IPMI_SDR_FORMAT_COMPACT_SENSOR_RECORD
|| record_type == IPMI_SDR_FORMAT_EVENT_ONLY_RECORD)
{
memset (id_string, '\0', IPMI_SDR_MAX_ID_STRING_LENGTH + 1);
if (ipmi_sdr_parse_id_string (ctx,
sdr_record,
sdr_record_len,
id_string,
IPMI_SDR_MAX_ID_STRING_LENGTH) < 0)
return (-1);
id_string_ptr = id_string;
}
else if (record_type == IPMI_SDR_FORMAT_GENERIC_DEVICE_LOCATOR_RECORD
|| record_type == IPMI_SDR_FORMAT_FRU_DEVICE_LOCATOR_RECORD
|| record_type == IPMI_SDR_FORMAT_MANAGEMENT_CONTROLLER_DEVICE_LOCATOR_RECORD)
{
memset (device_id_string, '\0', IPMI_SDR_MAX_DEVICE_ID_STRING_LENGTH + 1);
if (ipmi_sdr_parse_device_id_string (ctx,
sdr_record,
sdr_record_len,
device_id_string,
IPMI_SDR_MAX_DEVICE_ID_STRING_LENGTH) < 0)
return (-1);
id_string_ptr = device_id_string;
}
else
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARSE_INVALID_SDR_RECORD);
return (-1);
}
/* special case if sensor sharing is involved */
if ((record_type == IPMI_SDR_FORMAT_COMPACT_SENSOR_RECORD
|| record_type == IPMI_SDR_FORMAT_EVENT_ONLY_RECORD)
&& !(flags & IPMI_SDR_SENSOR_NAME_FLAGS_IGNORE_SHARED_SENSORS))
{
if (_get_shared_sensor_name (ctx,
sdr_record,
sdr_record_len,
sensor_number,
id_string_ptr,
buf,
buflen) < 0)
return (-1);
}
else
snprintf (buf,
buflen,
"%s",
id_string_ptr);
return (0);
}
int
ipmi_sdr_parse_entity_sensor_name (ipmi_sdr_ctx_t ctx,
const void *sdr_record,
unsigned int sdr_record_len,
uint8_t sensor_number,
unsigned int flags,
char *buf,
unsigned int buflen)
{
char id_string[IPMI_SDR_MAX_ID_STRING_LENGTH + 1];
char device_id_string[IPMI_SDR_MAX_DEVICE_ID_STRING_LENGTH + 1];
char entity_name_buf[IPMI_SDR_ENTITY_NAME_BUFLEN + 1];
char *id_string_ptr = NULL;
uint8_t entity_id, entity_instance, entity_instance_type;
const char *entity_id_str;
uint8_t record_type;
unsigned int flags_mask = (IPMI_SDR_SENSOR_NAME_FLAGS_IGNORE_SHARED_SENSORS
| IPMI_SDR_SENSOR_NAME_FLAGS_ALWAYS_OUTPUT_INSTANCE_NUMBER);
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
if (((sdr_record_len && !sdr_record_len)
|| (!sdr_record && sdr_record_len))
|| (flags & ~flags_mask)
|| !buf
|| !buflen)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
memset (buf, '\0', buflen);
memset (entity_name_buf, '\0', IPMI_SDR_ENTITY_NAME_BUFLEN + 1);
if (ipmi_sdr_parse_record_id_and_type (ctx,
sdr_record,
sdr_record_len,
NULL,
&record_type) < 0)
return (-1);
if (record_type == IPMI_SDR_FORMAT_FULL_SENSOR_RECORD
|| record_type == IPMI_SDR_FORMAT_COMPACT_SENSOR_RECORD
|| record_type == IPMI_SDR_FORMAT_EVENT_ONLY_RECORD)
{
memset (id_string, '\0', IPMI_SDR_MAX_ID_STRING_LENGTH + 1);
if (ipmi_sdr_parse_id_string (ctx,
sdr_record,
sdr_record_len,
id_string,
IPMI_SDR_MAX_ID_STRING_LENGTH) < 0)
return (-1);
id_string_ptr = id_string;
}
else if (record_type == IPMI_SDR_FORMAT_GENERIC_DEVICE_LOCATOR_RECORD
|| record_type == IPMI_SDR_FORMAT_MANAGEMENT_CONTROLLER_DEVICE_LOCATOR_RECORD)
{
memset (device_id_string, '\0', IPMI_SDR_MAX_DEVICE_ID_STRING_LENGTH + 1);
if (ipmi_sdr_parse_device_id_string (ctx,
sdr_record,
sdr_record_len,
device_id_string,
IPMI_SDR_MAX_DEVICE_ID_STRING_LENGTH) < 0)
return (-1);
id_string_ptr = device_id_string;
}
else
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARSE_INVALID_SDR_RECORD);
return (-1);
}
if (ipmi_sdr_parse_entity_id_instance_type (ctx,
sdr_record,
sdr_record_len,
&entity_id,
&entity_instance,
&entity_instance_type) < 0)
return (-1);
/* Table 39-1
*
* "It is recommended that console software subtract 60h when
* presenting device-relative Entity Instance values, and present
* the Entity Instance number along with an ID for the device
* providing the interface to the entity."
*
* achu: For the time being we do not output the device providing
* the interface, only the right instance number. Adjust later if
* necessary.
*/
if (IPMI_ENTITY_INSTANCE_DEVICE_RELATIVE (entity_instance))
entity_instance -= IPMI_ENTITY_INSTANCE_DEVICE_RELATIVE_MIN;
entity_id_str = ipmi_get_entity_id_string (entity_id);
/* a few special cases, for entity_ids are special, the vendor has
* specifically stated there is no "entity" associated with this sdr
* record
*/
if (entity_id == IPMI_ENTITY_ID_UNSPECIFIED
|| entity_id == IPMI_ENTITY_ID_OTHER
|| entity_id == IPMI_ENTITY_ID_UNKNOWN)
snprintf (buf,
buflen,
"%s",
id_string_ptr);
else
{
if (ipmi_sdr_stats_compile (ctx) < 0)
return (-1);
if (ipmi_sdr_stats_entity_instance_unique (ctx, entity_id) > 1)
{
/* special case if sensor sharing is involved */
if ((record_type == IPMI_SDR_FORMAT_COMPACT_SENSOR_RECORD
|| record_type == IPMI_SDR_FORMAT_EVENT_ONLY_RECORD)
&& !(flags & IPMI_SDR_SENSOR_NAME_FLAGS_IGNORE_SHARED_SENSORS))
{
uint8_t share_count;
uint8_t entity_instance_sharing;
char sensor_name_buf[IPMI_SDR_MAX_SENSOR_NAME_LENGTH + 1];
if (ipmi_sdr_parse_sensor_record_sharing (ctx,
sdr_record,
sdr_record_len,
&share_count,
NULL,
NULL,
&entity_instance_sharing) < 0)
return (-1);
if (share_count > 1
&& entity_instance_sharing == IPMI_SDR_ENTITY_INSTANCE_INCREMENTS_FOR_EACH_SHARED_RECORD)
{
uint8_t sensor_number_base;
if (ipmi_sdr_parse_sensor_number (ctx,
sdr_record,
sdr_record_len,
&sensor_number_base) < 0)
return (-1);
/* I guess it's a bug if the sensor number passed in is bad */
if (sensor_number >= sensor_number_base)
entity_instance += (sensor_number - sensor_number_base);
else
goto fallthrough;
}
memset (sensor_name_buf, '\0', IPMI_SDR_MAX_SENSOR_NAME_LENGTH + 1);
if (_get_shared_sensor_name (ctx,
sdr_record,
sdr_record_len,
sensor_number,
id_string_ptr,
sensor_name_buf,
IPMI_SDR_MAX_SENSOR_NAME_LENGTH) < 0)
return (-1);
snprintf (entity_name_buf,
IPMI_SDR_ENTITY_NAME_BUFLEN,
"%s %u",
entity_id_str,
entity_instance);
/* In odd chance the strings end up identical */
if (!strcasecmp (entity_name_buf, sensor_name_buf))
snprintf (buf,
buflen,
"%s",
sensor_name_buf);
else
snprintf (buf,
buflen,
"%s %s",
entity_name_buf,
sensor_name_buf);
}
else
{
fallthrough:
snprintf (entity_name_buf,
IPMI_SDR_ENTITY_NAME_BUFLEN,
"%s %u",
entity_id_str,
entity_instance);
/* In odd chance the strings end up identical */
if (!strcasecmp (entity_name_buf, id_string_ptr))
snprintf (buf,
buflen,
"%s",
id_string_ptr);
else
snprintf (buf,
buflen,
"%s %s",
entity_name_buf,
id_string_ptr);
}
}
else
{
if (flags & IPMI_SDR_SENSOR_NAME_FLAGS_ALWAYS_OUTPUT_INSTANCE_NUMBER)
{
snprintf (entity_name_buf,
IPMI_SDR_ENTITY_NAME_BUFLEN,
"%s %u",
entity_id_str,
entity_instance);
/* In odd chance the strings end up identical */
if (!strcasecmp (entity_name_buf, id_string_ptr))
snprintf (buf,
buflen,
"%s",
id_string_ptr);
else
snprintf (buf,
buflen,
"%s %s",
entity_name_buf,
id_string_ptr);
}
else
{
/* In odd chance the strings end up identical */
if (!strcasecmp (entity_id_str, id_string_ptr))
snprintf (buf,
buflen,
"%s",
id_string_ptr);
else
snprintf (buf,
buflen,
"%s %s",
entity_id_str,
id_string_ptr);
}
}
}
return (0);
}
int
ipmi_sdr_cache_search_sensor (ipmi_sdr_ctx_t ctx, uint8_t sensor_number, uint8_t sensor_owner_id)
{
off_t offset;
int found = 0;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_READ_CACHE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_INITIALIZATION);
return (-1);
}
offset = ctx->records_start_offset;
while (offset < ctx->records_end_offset)
{
uint8_t *ptr = ctx->sdr_cache + offset;
uint8_t record_type_current;
unsigned int record_length;
record_type_current = ptr[IPMI_SDR_RECORD_TYPE_INDEX];
if (record_type_current == IPMI_SDR_FORMAT_FULL_SENSOR_RECORD
|| record_type_current == IPMI_SDR_FORMAT_COMPACT_SENSOR_RECORD
|| record_type_current == IPMI_SDR_FORMAT_EVENT_ONLY_RECORD)
{
uint8_t sensor_number_current;
uint8_t sensor_owner_id_current;
sensor_owner_id_current = ptr[IPMI_SDR_RECORD_SENSOR_OWNER_ID_INDEX];
sensor_number_current = ptr[IPMI_SDR_RECORD_SENSOR_NUMBER_INDEX];
if (sensor_owner_id_current == sensor_owner_id
&& sensor_number_current == sensor_number)
{
found++;
_sdr_set_current_offset (ctx, offset);
break;
}
/* Compact sensor records can do record sharing, so check
* for this case if the sensor_owner_id matches up.
*/
if (sensor_owner_id_current == sensor_owner_id
&& (record_type_current == IPMI_SDR_FORMAT_COMPACT_SENSOR_RECORD
|| record_type_current == IPMI_SDR_FORMAT_EVENT_ONLY_RECORD))
{
uint8_t share_count;
if (record_type_current == IPMI_SDR_FORMAT_COMPACT_SENSOR_RECORD)
{
share_count = ptr[IPMI_SDR_RECORD_COMPACT_SHARE_COUNT];
share_count &= IPMI_SDR_RECORD_COMPACT_SHARE_COUNT_BITMASK;
share_count >>= IPMI_SDR_RECORD_COMPACT_SHARE_COUNT_SHIFT;
}
else
{
int
ipmi_sdr_cache_open (ipmi_sdr_ctx_t ctx,
ipmi_ctx_t ipmi_ctx,
const char *filename)
{
uint8_t sdr_version;
uint16_t record_count;
uint32_t most_recent_addition_timestamp, most_recent_erase_timestamp;
char sdr_version_buf;
char sdr_cache_magic_buf[4];
char sdr_cache_version_buf[4];
char record_count_buf[2];
char most_recent_addition_timestamp_buf[4];
char most_recent_erase_timestamp_buf[4];
struct stat stat_buf;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (!filename)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
if (ctx->operation != IPMI_SDR_OPERATION_UNINITIALIZED)
{
if (ctx->operation == IPMI_SDR_OPERATION_READ_CACHE)
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_READ_ALREADY_INITIALIZED);
else
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_INTERNAL_ERROR);
return (-1);
}
if (stat (filename, &stat_buf) < 0)
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
/* File Size must be atleast magic_buf + file_version_buf +
* sdr_version_buf + record_count_buf +
* most_recent_addition_timestamp_buf +
* most_recent_erase_timestamp-buf in size.
*/
ctx->file_size = stat_buf.st_size;
if (ctx->file_size < (4 + 4 + 1 + 2 + 4 + 4))
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_INVALID);
goto cleanup;
}
if ((ctx->fd = open (filename, O_RDONLY)) < 0)
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
ctx->sdr_cache = (uint8_t *)mmap (NULL,
ctx->file_size,
PROT_READ,
MAP_PRIVATE,
ctx->fd,
0);
if (!ctx->sdr_cache || ctx->sdr_cache == ((void *) -1))
{
ERRNO_TRACE (errno);
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_SYSTEM_ERROR);
goto cleanup;
}
memcpy (sdr_cache_magic_buf, ctx->sdr_cache + ctx->records_start_offset, 4);
ctx->records_start_offset += 4;
memcpy (sdr_cache_version_buf, ctx->sdr_cache + ctx->records_start_offset, 4);
ctx->records_start_offset += 4;
memcpy (&sdr_version_buf, ctx->sdr_cache + ctx->records_start_offset, 1);
ctx->records_start_offset += 1;
memcpy (record_count_buf, ctx->sdr_cache + ctx->records_start_offset, 2);
ctx->records_start_offset += 2;
memcpy (most_recent_addition_timestamp_buf, ctx->sdr_cache + ctx->records_start_offset, 4);
ctx->records_start_offset += 4;
memcpy (most_recent_erase_timestamp_buf, ctx->sdr_cache + ctx->records_start_offset, 4);
ctx->records_start_offset += 4;
if ((uint8_t)sdr_cache_magic_buf[0] != IPMI_SDR_CACHE_FILE_MAGIC_0
|| (uint8_t)sdr_cache_magic_buf[1] != IPMI_SDR_CACHE_FILE_MAGIC_1
|| (uint8_t)sdr_cache_magic_buf[2] != IPMI_SDR_CACHE_FILE_MAGIC_2
|| (uint8_t)sdr_cache_magic_buf[3] != IPMI_SDR_CACHE_FILE_MAGIC_3)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_INVALID);
goto cleanup;
}
if (((uint8_t)sdr_cache_version_buf[0] != IPMI_SDR_CACHE_FILE_VERSION_1_0
|| (uint8_t)sdr_cache_version_buf[1] != IPMI_SDR_CACHE_FILE_VERSION_1_1
|| (uint8_t)sdr_cache_version_buf[2] != IPMI_SDR_CACHE_FILE_VERSION_1_2
|| (uint8_t)sdr_cache_version_buf[3] != IPMI_SDR_CACHE_FILE_VERSION_1_3)
&& ((uint8_t)sdr_cache_version_buf[0] != IPMI_SDR_CACHE_FILE_VERSION_1_2_0
|| (uint8_t)sdr_cache_version_buf[1] != IPMI_SDR_CACHE_FILE_VERSION_1_2_1
|| (uint8_t)sdr_cache_version_buf[2] != IPMI_SDR_CACHE_FILE_VERSION_1_2_2
|| (uint8_t)sdr_cache_version_buf[3] != IPMI_SDR_CACHE_FILE_VERSION_1_2_3))
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_INVALID);
goto cleanup;
}
ctx->sdr_version = (uint8_t)sdr_version_buf;
ctx->record_count = ((uint16_t)record_count_buf[0] & 0xFF);
ctx->record_count |= ((uint16_t)record_count_buf[1] & 0xFF) << 8;
ctx->most_recent_addition_timestamp = ((uint32_t)most_recent_addition_timestamp_buf[0] & 0xFF);
ctx->most_recent_addition_timestamp |= ((uint32_t)most_recent_addition_timestamp_buf[1] & 0xFF) << 8;
ctx->most_recent_addition_timestamp |= ((uint32_t)most_recent_addition_timestamp_buf[2] & 0xFF) << 16;
ctx->most_recent_addition_timestamp |= ((uint32_t)most_recent_addition_timestamp_buf[3] & 0xFF) << 24;
ctx->most_recent_erase_timestamp = ((uint32_t)most_recent_erase_timestamp_buf[0] & 0xFF);
ctx->most_recent_erase_timestamp |= ((uint32_t)most_recent_erase_timestamp_buf[1] & 0xFF) << 8;
ctx->most_recent_erase_timestamp |= ((uint32_t)most_recent_erase_timestamp_buf[2] & 0xFF) << 16;
ctx->most_recent_erase_timestamp |= ((uint32_t)most_recent_erase_timestamp_buf[3] & 0xFF) << 24;
if (ipmi_ctx)
{
if (sdr_info (ctx,
ipmi_ctx,
&sdr_version,
&record_count,
&most_recent_addition_timestamp,
&most_recent_erase_timestamp) < 0)
goto cleanup;
if (ctx->sdr_version != sdr_version
|| ctx->most_recent_addition_timestamp != most_recent_addition_timestamp
|| ctx->most_recent_erase_timestamp != most_recent_erase_timestamp)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_OUT_OF_DATE);
goto cleanup;
}
}
if ((uint8_t)sdr_cache_version_buf[0] == IPMI_SDR_CACHE_FILE_VERSION_1_2_0
&& (uint8_t)sdr_cache_version_buf[1] == IPMI_SDR_CACHE_FILE_VERSION_1_2_1
&& (uint8_t)sdr_cache_version_buf[2] == IPMI_SDR_CACHE_FILE_VERSION_1_2_2
&& (uint8_t)sdr_cache_version_buf[3] == IPMI_SDR_CACHE_FILE_VERSION_1_2_3)
{
uint8_t header_checksum_buf[512];
unsigned int header_checksum_buf_len = 0;
uint8_t header_checksum, header_checksum_cache;
uint8_t trailer_checksum, trailer_checksum_cache;
char total_bytes_written_buf[4];
unsigned int total_bytes_written;
unsigned int header_bytes_len;
unsigned int trailer_bytes_len;
/* File Size must be atleast magic_buf + file_version_buf +
* sdr_version_buf + record_count_buf +
* most_recent_addition_timestamp_buf +
* most_recent_erase_timestamp-buf + header_checksum + trailer
* bytes written + trailer records checksum.
*/
header_bytes_len = 4 + 4 + 1 + 2 + 4 + 4 + 1;
trailer_bytes_len = 4 + 1;
if (ctx->file_size < (header_bytes_len + trailer_bytes_len))
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_INVALID);
goto cleanup;
}
memcpy (&header_checksum_cache, ctx->sdr_cache + ctx->records_start_offset, 1);
ctx->records_start_offset += 1;
memcpy(&header_checksum_buf[header_checksum_buf_len], sdr_cache_magic_buf, 4);
header_checksum_buf_len += 4;
memcpy(&header_checksum_buf[header_checksum_buf_len], sdr_cache_version_buf, 4);
header_checksum_buf_len += 4;
memcpy(&header_checksum_buf[header_checksum_buf_len], &sdr_version_buf, 1);
header_checksum_buf_len += 1;
memcpy(&header_checksum_buf[header_checksum_buf_len], record_count_buf, 2);
header_checksum_buf_len += 2;
memcpy(&header_checksum_buf[header_checksum_buf_len], most_recent_addition_timestamp_buf, 4);
header_checksum_buf_len += 4;
memcpy(&header_checksum_buf[header_checksum_buf_len], most_recent_erase_timestamp_buf, 4);
header_checksum_buf_len += 4;
header_checksum = ipmi_checksum (header_checksum_buf, header_checksum_buf_len);
if (header_checksum != header_checksum_cache)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_INVALID);
goto cleanup;
}
/* total_bytes_written is written before checksum */
/* checksum of records is last byte written */
memcpy (total_bytes_written_buf, ctx->sdr_cache + ctx->file_size - 5, 4);
memcpy (&trailer_checksum_cache, ctx->sdr_cache + ctx->file_size - 1, 1);
total_bytes_written = ((uint32_t)total_bytes_written_buf[0] & 0xFF);
total_bytes_written |= ((uint32_t)total_bytes_written_buf[1] & 0xFF) << 8;
total_bytes_written |= ((uint32_t)total_bytes_written_buf[2] & 0xFF) << 16;
total_bytes_written |= ((uint32_t)total_bytes_written_buf[3] & 0xFF) << 24;
if (total_bytes_written != ctx->file_size)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_INVALID);
goto cleanup;
}
/* -1 for checksum */
trailer_checksum = ipmi_checksum (ctx->sdr_cache + ctx->records_start_offset,
total_bytes_written - ctx->records_start_offset - 1);
if (trailer_checksum != trailer_checksum_cache)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_CACHE_INVALID);
goto cleanup;
}
ctx->records_end_offset = ctx->file_size - trailer_bytes_len;
}
else /* (uint8_t)sdr_cache_version_buf[0] == IPMI_SDR_CACHE_FILE_VERSION_1_0
&& (uint8_t)sdr_cache_version_buf[1] == IPMI_SDR_CACHE_FILE_VERSION_1_1
&& (uint8_t)sdr_cache_version_buf[2] == IPMI_SDR_CACHE_FILE_VERSION_1_2
&& (uint8_t)sdr_cache_version_buf[3] == IPMI_SDR_CACHE_FILE_VERSION_1_3 */
ctx->records_end_offset = ctx->file_size;
_sdr_set_current_offset (ctx, ctx->records_start_offset);
ctx->operation = IPMI_SDR_OPERATION_READ_CACHE;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
return (0);
cleanup:
/* ignore potential error, cleanup path */
if (ctx->fd >= 0)
close (ctx->fd);
/* ignore potential error, cleanup path */
if (ctx->sdr_cache)
munmap ((void *)ctx->sdr_cache, ctx->file_size);
sdr_init_ctx (ctx);
return (-1);
}
/* return (1) - is oem intel node manager, fully parsed
* return (0) - is not oem intel node manager
* return (-1) - error
*/
int
ipmi_sdr_oem_parse_intel_node_manager (ipmi_sdr_ctx_t ctx,
const void *sdr_record,
unsigned int sdr_record_len,
uint8_t *nm_device_slave_address,
uint8_t *sensor_owner_lun,
uint8_t *channel_number,
uint8_t *nm_health_event_sensor_number,
uint8_t *nm_exception_event_sensor_number,
uint8_t *nm_operational_capabilities_sensor_number,
uint8_t *nm_alert_threshold_exceeded_sensor_number)
{
uint8_t sdr_record_buf[IPMI_SDR_MAX_RECORD_LENGTH];
int sdr_record_buf_len;
fiid_obj_t obj_oem_record = NULL;
int expected_record_len;
void *sdr_record_to_use;
unsigned int sdr_record_len_to_use;
uint64_t val;
int rv = -1;
if (!ctx || ctx->magic != IPMI_SDR_CTX_MAGIC)
{
ERR_TRACE (ipmi_sdr_ctx_errormsg (ctx), ipmi_sdr_ctx_errnum (ctx));
return (-1);
}
if (!sdr_record || !sdr_record_len)
{
if (ctx->operation == IPMI_SDR_OPERATION_READ_CACHE
&& !sdr_record
&& !sdr_record_len)
{
if ((sdr_record_buf_len = ipmi_sdr_cache_record_read (ctx,
sdr_record_buf,
IPMI_SDR_MAX_RECORD_LENGTH)) < 0)
{
SDR_SET_INTERNAL_ERRNUM (ctx);
return (-1);
}
sdr_record_to_use = sdr_record_buf;
sdr_record_len_to_use = sdr_record_buf_len;
}
else
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_PARAMETERS);
return (-1);
}
}
else
{
sdr_record_to_use = (void *)sdr_record;
sdr_record_len_to_use = sdr_record_len;
}
if ((expected_record_len = fiid_template_len_bytes (tmpl_sdr_oem_intel_node_manager_record)) < 0)
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
if (sdr_record_len_to_use < expected_record_len)
{
rv = 0;
goto cleanup;
}
if (!(obj_oem_record = fiid_obj_create (tmpl_sdr_oem_intel_node_manager_record)))
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
if (fiid_obj_set_all (obj_oem_record,
sdr_record_to_use,
expected_record_len) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
/* achu: Node Manager documentation states that OEM ID in the
* SDR record should be Intel's, but I've seen motherboards w/o
* it, so don't bother checking.
*/
if (FIID_OBJ_GET (obj_oem_record,
"record_subtype",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
if (val != IPMI_SDR_OEM_INTEL_NODE_MANAGER_RECORD_SUBTYPE_NM_DISCOVERY)
{
rv = 0;
goto cleanup;
}
if (FIID_OBJ_GET (obj_oem_record,
"version_number",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
if (val != IPMI_SDR_OEM_INTEL_NODE_MANAGER_DISCOVERY_VERSION)
{
rv = 0;
goto cleanup;
}
if (nm_device_slave_address)
{
if (FIID_OBJ_GET (obj_oem_record,
"nm_device_slave_address",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
(*nm_device_slave_address) = val;
}
if (sensor_owner_lun)
{
if (FIID_OBJ_GET (obj_oem_record,
"sensor_owner_lun",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
(*sensor_owner_lun) = val;
}
if (channel_number)
{
if (FIID_OBJ_GET (obj_oem_record,
"channel_number",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
(*channel_number) = val;
}
if (nm_health_event_sensor_number)
{
if (FIID_OBJ_GET (obj_oem_record,
"nm_health_event_sensor_number",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
(*nm_health_event_sensor_number) = val;
}
if (nm_exception_event_sensor_number)
{
if (FIID_OBJ_GET (obj_oem_record,
"nm_exception_event_sensor_number",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
(*nm_exception_event_sensor_number) = val;
}
if (nm_operational_capabilities_sensor_number)
{
if (FIID_OBJ_GET (obj_oem_record,
"nm_operational_capabilities_sensor_number",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
(*nm_operational_capabilities_sensor_number) = val;
}
if (nm_alert_threshold_exceeded_sensor_number)
{
if (FIID_OBJ_GET (obj_oem_record,
"nm_alert_threshold_exceeded_sensor_number",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_oem_record);
goto cleanup;
}
(*nm_alert_threshold_exceeded_sensor_number) = val;
}
sdr_check_read_status (ctx);
rv = 1;
ctx->errnum = IPMI_SDR_ERR_SUCCESS;
cleanup:
fiid_obj_destroy (obj_oem_record);
return (rv);
}
