nvme_get_ctrl_telemetry - Man Page

int nvme_get_ctrl_telemetry (int fd , bool rae , struct nvme_telemetry_log **log , enum nvme_telemetry_da da , size_t *size );

fd

File descriptor of nvme device

rae

Retain asynchronous events

log

On success, set to the value of the allocated and retrieved log.

da

Log page data area, valid values: enum nvme_telemetry_da

size

Ptr to the telemetry log size, so it can be returned

The total size allocated can be calculated as: (nvme_telemetry_log da size  + 1) * NVME_LOG_TELEM_BLOCK_SIZE.

The nvme command status if a response was received (see enum nvme_status_field) or -1 with errno set otherwise.