scsi_vpd_lun_id9
Return a unique device identification
Usage
int scsi_vpd_lun_id(struct scsi_device * sdev, char * id, size_t id_len);
Arguments
sdev
SCSI device
id
buffer for the identification
id_len
length of the buffer
Overview
Copies a unique device identification into id based on the information in the VPD page 0x83 of the device. The string will be formatted as a SCSI name string.
Returns the length of the identification or error on failure. If the identifier is longer than the supplied buffer the actual identifier length is returned and the buffer is not zero-padded.