1SCSI_VPD_LUN_ID(9)              SCSI mid layer              SCSI_VPD_LUN_ID(9)
2
3
4

NAME

6       scsi_vpd_lun_id - return a unique device identification
7

SYNOPSIS

9       int scsi_vpd_lun_id(struct scsi_device * sdev, char * id,
10                           size_t id_len);
11

ARGUMENTS

13       sdev
14           SCSI device
15
16       id
17           buffer for the identification
18
19       id_len
20           length of the buffer
21

DESCRIPTION

23       Copies a unique device identification into id based on the information
24       in the VPD page 0x83 of the device. The string will be formatted as a
25       SCSI name string.
26
27       Returns the length of the identification or error on failure. If the
28       identifier is longer than the supplied buffer the actual identifier
29       length is returned and the buffer is not zero-padded.
30

AUTHORS

32       James Bottomley <James.Bottomley@hansenpartnership.com>
33           Author.
34
35       Rob Landley <rob@landley.net>
36           Author.
37

39Kernel Hackers Manual 3.10         June 2019                SCSI_VPD_LUN_ID(9)
Impressum