1ATA_SCSI_QC_NEW(9)      libata SCSI translation/emulat      ATA_SCSI_QC_NEW(9)
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NAME

6       ata_scsi_qc_new - acquire new ata_queued_cmd reference
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SYNOPSIS

9       struct ata_queued_cmd * ata_scsi_qc_new(struct ata_device * dev,
10                                               struct scsi_cmnd * cmd,
11                                               void (*done) (struct scsi_cmnd *));
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ARGUMENTS

14       dev
15           ATA device to which the new command is attached
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17       cmd
18           SCSI command that originated this ATA command
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20       done
21           SCSI command completion function
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DESCRIPTION

24       Obtain a reference to an unused ata_queued_cmd structure, which is the
25       basic libata structure representing a single ATA command sent to the
26       hardware.
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28       If a command was available, fill in the SCSI-specific portions of the
29       structure with information on the current command.
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LOCKING

32       spin_lock_irqsave(host lock)
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RETURNS

35       Command allocated, or NULL if none available.
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AUTHOR

38       Jeff Garzik
39           Author.
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42Kernel Hackers Manual 2.6.       November 2011              ATA_SCSI_QC_NEW(9)
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