SCSI_VPD_LUN_ID(9) - phpMan
SCSI_VPD_LUN_ID(9) SCSI mid layer SCSI_VPD_LUN_ID(9)
NAME
scsi_vpd_lun_id - return a unique device identification
SYNOPSIS
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
DESCRIPTION
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.
AUTHORS
James Bottomley <James.Bottomley AT hansenpartnership.com>
Author.
Rob Landley <rob AT landley.net>
Author.
COPYRIGHT
Kernel Hackers Manual 4.8. January 2017 SCSI_VPD_LUN_ID(9)
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