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SCSI_DEVICE_LOOKUP(9) SCSI mid layer SCSI_DEVICE_LOOKUP(9)

NAME

scsi_device_lookup - find a device given the host

SYNOPSIS

struct scsi_device * scsi_device_lookup(struct Scsi_Host * shost, uint channel, uint id, u64 lun);

ARGUMENTS

struct Scsi_Host * shost

SCSI host pointer

uint channel

SCSI channel (zero if only one channel)

uint id

SCSI target number (physical unit number)

u64 lun

SCSI Logical Unit Number

DESCRIPTION

Looks up the scsi_device with the specified channel, id, lun for a given host. The returned scsi_device has an additional reference that needs to be released with scsi_device_put once you're done with it.

AUTHORS

James Bottomley <James.Bottomley@hansenpartnership.com>

Author.

Rob Landley <rob@landley.net>

Author.

COPYRIGHT

July 2017 Kernel Hackers Manual 4.12