ata_scsi_queuecmd
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## Name

ata_scsi_queuecmd — Issue SCSI cdb to libata-managed device

## Synopsis

`int ata_scsi_queuecmd (` | struct Scsi_Host * shost,
| struct scsi_cmnd * cmd`)`;

## Arguments

`shost`

  SCSI host of command to be sent

`cmd`

  SCSI command to be sent

## Description

In some cases, this function translates SCSI commands into ATA taskfiles, and queues the taskfiles to be sent to hardware. In other cases, this function simulates a SCSI device by evaluating and responding to certain SCSI commands. This creates the overall effect of ATA and ATAPI devices appearing as SCSI devices.

## LOCKING

ATA host lock

## RETURNS

Return value from `__ata_scsi_queuecmd` if `cmd` can be queued, 0 otherwise.

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