Documentation/driver-api/libata.rst

12 transports for ATA and ATAPI devices, and SCSI<->ATA translation for ATA
119 Per-cmd ATAPI DMA capabilities filter
420     commands use :c:func:`ata_scsi_qc_complete` while ATAPI commands use
448 ATAPI NODATA or DMA
454 ATAPI PIO
456     in ATAPI NODATA or DMA, packet_task submits cdb. However, after
492 For all non-ATAPI commands, whether it fails or not, almost the same
497 However, failed ATAPI commands require more handling as REQUEST SENSE is
498 needed to acquire sense data. If an ATAPI command fails,
514 timeout and ATAPI error completion. This function will check if a qc is active
526 If EH is invoked due to a failed ATAPI qc, the qc here is completed but
604 ATA/ATAPI devices and describe how they should be handled in
632 during issuing or execution any ATA/ATAPI command.
642    is transferred. ATA/ATAPI standard states that "The device shall not
656 ATA/ATAPI device error (non-NCQ / non-CHECK CONDITION)
659 These are errors detected and reported by ATA/ATAPI devices indicating
662 errors are detected by ATA/ATAPI devices and reported using the same
669 For ATAPI commands,
681 Of errors detected as above, the following are not ATA/ATAPI device
687     corruption occurred during data transfer. Up to ATA/ATAPI-7, the
689     transfers but ATA/ATAPI-8 draft revision 1f says that the bit may be
693     Up to ATA/ATAPI-7, the standard specifies that ABRT could be set on
696     aren't allowed to use ICRC bit up to ATA/ATAPI-7, it seems to imply
699     However, ATA/ATAPI-8 draft revision 1f removes the part that ICRC
703 ATA/ATAPI device errors can be further categorized as follows.
712     but ATA/ATAPI standard specifies that the amount of transferred data
731 up to ATA/ATAPI-7 no definition of "na" can be found. However,
732 ATA/ATAPI-8 draft revision 1f describes "N/A" as follows.
742 ATAPI device CHECK CONDITION
745 ATAPI device CHECK CONDITION error is indicated by set CHK bit (ERR bit)
769 `ATA/ATAPI device error (non-NCQ / non-CHECK CONDITION) <#excatDevErr>`__
788    `ATA/ATAPI device error (non-NCQ / non-CHECK CONDITION) <#excatDevErr>`__.
876 -  When it's known that HBA is in ready state but ATA/ATAPI device is in
888 OTOH, ATA/ATAPI standard describes in detail ways to reset ATA/ATAPI
905     Although ATA/ATAPI standard doesn't describe exactly, EDD implies
916 ATAPI DEVICE RESET command
941 ATA/ATAPI standard specifies that some parameters must be maintained
947 Also, ATA/ATAPI standard requires that IDENTIFY DEVICE / IDENTIFY PACKET