SCSI_DEVICE_LOOKUP

Section: SCSI mid layer (9)
Updated: February 2011
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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, uint lun);
 

ARGUMENTS

shost

SCSI host pointer

channel

SCSI channel (zero if only one channel)

id

SCSI target number (physical unit number)

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.
 

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