static int
_sdr_cache_reservation_id (ipmi_sdr_ctx_t ctx,
ipmi_ctx_t ipmi_ctx,
uint16_t *reservation_id)
{
fiid_obj_t obj_cmd_rs = NULL;
uint64_t val;
int rv = -1;
assert (ctx);
assert (ctx->magic == IPMI_SDR_CTX_MAGIC);
assert (ipmi_ctx);
assert (reservation_id);
if (!(obj_cmd_rs = fiid_obj_create (tmpl_cmd_reserve_sdr_repository_rs)))
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
if (ipmi_cmd_reserve_sdr_repository (ipmi_ctx, obj_cmd_rs) < 0)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_IPMI_ERROR);
goto cleanup;
}
*reservation_id = 0;
if (FIID_OBJ_GET (obj_cmd_rs,
"reservation_id",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
*reservation_id = val;
rv = 0;
cleanup:
fiid_obj_destroy (obj_cmd_rs);
return (rv);
}
/* 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);
}
static int
_sdr_cache_get_record (ipmi_sdr_ctx_t ctx,
ipmi_ctx_t ipmi_ctx,
uint16_t record_id,
void *record_buf,
unsigned int record_buf_len,
uint16_t *reservation_id,
uint16_t *next_record_id)
{
fiid_obj_t obj_cmd_rs = NULL;
fiid_obj_t obj_sdr_record_header = NULL;
int sdr_record_header_length = 0;
int sdr_record_len = 0;
unsigned int record_length = 0;
int rv = -1;
unsigned int bytes_to_read = IPMI_SDR_CACHE_BYTES_TO_READ_START;
unsigned int offset_into_record = 0;
unsigned int reservation_id_retry_count = 0;
uint8_t temp_record_buf[IPMI_SDR_MAX_RECORD_LENGTH];
uint64_t val;
assert (ctx);
assert (ctx->magic == IPMI_SDR_CTX_MAGIC);
assert (ipmi_ctx);
assert (record_buf);
assert (record_buf_len);
assert (reservation_id);
assert (next_record_id);
if (!(obj_cmd_rs = fiid_obj_create (tmpl_cmd_get_sdr_rs)))
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
if (!(obj_sdr_record_header = fiid_obj_create (tmpl_sdr_record_header)))
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
if ((sdr_record_header_length = fiid_template_len_bytes (tmpl_sdr_record_header)) < 0)
{
SDR_ERRNO_TO_SDR_ERRNUM (ctx, errno);
goto cleanup;
}
/* achu:
*
* Many motherboards now allow you to read the full SDR record, try
* that first. If it fails for any reason, bail and try to read via
* partial reads.
*/
reservation_id_retry_count = 0;
while (!offset_into_record)
{
if (ipmi_cmd_get_sdr (ipmi_ctx,
*reservation_id,
record_id,
0,
IPMI_SDR_READ_ENTIRE_RECORD_BYTES_TO_READ,
obj_cmd_rs) < 0)
{
if (ipmi_ctx_errnum (ipmi_ctx) == IPMI_ERR_BAD_COMPLETION_CODE)
{
uint8_t comp_code;
if (FIID_OBJ_GET (obj_cmd_rs,
"comp_code",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
comp_code = val;
if (comp_code == IPMI_COMP_CODE_RESERVATION_CANCELLED
&& (reservation_id_retry_count < IPMI_SDR_CACHE_MAX_RESERVATION_ID_RETRY))
{
if (_sdr_cache_reservation_id (ctx,
ipmi_ctx,
reservation_id) < 0)
goto cleanup;
reservation_id_retry_count++;
continue;
}
}
goto partial_read;
}
if ((sdr_record_len = fiid_obj_get_data (obj_cmd_rs,
"record_data",
temp_record_buf,
IPMI_SDR_MAX_RECORD_LENGTH)) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
/* Assume this is an "IPMI Error", fall through to partial reads */
if (sdr_record_len < sdr_record_header_length)
goto partial_read;
/*
* IPMI Workaround (achu)
*
* Discovered on Xyratex HB-F8-SRAY
*
* For some reason reading the entire SDR record (with
* IPMI_SDR_READ_ENTIRE_RECORD_BYTES_TO_READ) the response
* returns fewer bytes than the actual length of the record.
* However, when reading with partial reads things ultimately
* succeed. If we notice the length is off, we fall out and do
* a partial read.
*/
if ((((uint8_t)temp_record_buf[IPMI_SDR_RECORD_LENGTH_INDEX]) + IPMI_SDR_RECORD_HEADER_LENGTH) > sdr_record_len)
goto partial_read;
if (sdr_record_len > record_buf_len)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_INTERNAL_ERROR);
goto cleanup;
}
if (FIID_OBJ_GET (obj_cmd_rs,
"next_record_id",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
*next_record_id = val;
memcpy (record_buf, temp_record_buf, sdr_record_len);
offset_into_record += sdr_record_len;
goto out;
}
partial_read:
reservation_id_retry_count = 0;
while (!record_length)
{
uint8_t record_header_buf[IPMI_SDR_MAX_RECORD_LENGTH];
int sdr_record_header_len;
if (ipmi_cmd_get_sdr (ipmi_ctx,
*reservation_id,
record_id,
0,
sdr_record_header_length,
obj_cmd_rs) < 0)
{
if (ipmi_ctx_errnum (ipmi_ctx) != IPMI_ERR_BAD_COMPLETION_CODE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_IPMI_ERROR);
goto cleanup;
}
else
{
uint8_t comp_code;
if (FIID_OBJ_GET (obj_cmd_rs,
"comp_code",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
comp_code = val;
if (comp_code == IPMI_COMP_CODE_RESERVATION_CANCELLED
&& (reservation_id_retry_count < IPMI_SDR_CACHE_MAX_RESERVATION_ID_RETRY))
{
if (_sdr_cache_reservation_id (ctx,
ipmi_ctx,
reservation_id) < 0)
goto cleanup;
reservation_id_retry_count++;
continue;
}
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_IPMI_ERROR);
goto cleanup;
}
}
if ((sdr_record_header_len = fiid_obj_get_data (obj_cmd_rs,
"record_data",
record_header_buf,
IPMI_SDR_MAX_RECORD_LENGTH)) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
if (sdr_record_header_len < sdr_record_header_length)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_IPMI_ERROR);
goto cleanup;
}
if (fiid_obj_set_all (obj_sdr_record_header,
record_header_buf,
sdr_record_header_len) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_sdr_record_header);
goto cleanup;
}
if (FIID_OBJ_GET (obj_sdr_record_header,
"record_length",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_sdr_record_header);
goto cleanup;
}
if (sdr_record_header_len > record_buf_len)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_INTERNAL_ERROR);
goto cleanup;
}
/* copy header into buf */
memcpy (record_buf, record_header_buf, sdr_record_header_len);
offset_into_record += sdr_record_header_len;
record_length = val + sdr_record_header_length;
}
if (record_length > record_buf_len)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_INTERNAL_ERROR);
goto cleanup;
}
if (FIID_OBJ_GET (obj_cmd_rs,
"next_record_id",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
*next_record_id = val;
reservation_id_retry_count = 0;
while (offset_into_record < record_length)
{
int record_data_len;
if ((record_length - offset_into_record) < bytes_to_read)
bytes_to_read = record_length - offset_into_record;
if (ipmi_cmd_get_sdr (ipmi_ctx,
*reservation_id,
record_id,
offset_into_record,
bytes_to_read,
obj_cmd_rs) < 0)
{
if (ipmi_ctx_errnum (ipmi_ctx) != IPMI_ERR_BAD_COMPLETION_CODE)
{
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_IPMI_ERROR);
goto cleanup;
}
else
{
uint8_t comp_code;
if (FIID_OBJ_GET (obj_cmd_rs,
"comp_code",
&val) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
comp_code = val;
if (comp_code == IPMI_COMP_CODE_RESERVATION_CANCELLED
&& (reservation_id_retry_count < IPMI_SDR_CACHE_MAX_RESERVATION_ID_RETRY))
{
if (_sdr_cache_reservation_id (ctx,
ipmi_ctx,
reservation_id) < 0)
goto cleanup;
reservation_id_retry_count++;
continue;
}
else if ((comp_code == IPMI_COMP_CODE_CANNOT_RETURN_REQUESTED_NUMBER_OF_BYTES
|| comp_code == IPMI_COMP_CODE_UNSPECIFIED_ERROR)
&& bytes_to_read > sdr_record_header_length)
{
bytes_to_read -= IPMI_SDR_CACHE_BYTES_TO_READ_DECREMENT;
if (bytes_to_read < sdr_record_header_length)
bytes_to_read = sdr_record_header_length;
continue;
}
SDR_SET_ERRNUM (ctx, IPMI_SDR_ERR_IPMI_ERROR);
goto cleanup;
}
}
if ((record_data_len = fiid_obj_get_data (obj_cmd_rs,
"record_data",
record_buf + offset_into_record,
record_buf_len - offset_into_record)) < 0)
{
SDR_FIID_OBJECT_ERROR_TO_SDR_ERRNUM (ctx, obj_cmd_rs);
goto cleanup;
}
offset_into_record += record_data_len;
}
out:
rv = offset_into_record;
cleanup:
fiid_obj_destroy (obj_cmd_rs);
fiid_obj_destroy (obj_sdr_record_header);
return (rv);
}
