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[libata] mark certain hardware (or drivers) with a no-atapi flag

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Some hardware does not support the PACKET command at all.
Other hardware supports ATAPI, but the driver does something nasty such
as calling BUG() when an ATAPI command is issued.

For these such cases, we mark them with a new flag, ATA_FLAG_NO_ATAPI.

Initial version contributed by Ben Collins.
This commit is contained in:
Jeff Garzik 2005-12-13 02:29:45 -05:00
commit 50630195bb
5 changed files with 16 additions and 10 deletions
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include/linux/libata.h
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@ -122,6 +122,7 @@ enum {
ATA_FLAG_NOINTR = (1 << 9), /* FIXME: Remove this once
* proper HSM is in place. */
ATA_FLAG_DEBUGMSG = (1 << 10),
ATA_FLAG_NO_ATAPI = (1 << 11), /* No ATAPI support */
ATA_QCFLAG_ACTIVE = (1 << 1), /* cmd not yet ack'd to scsi lyer */
ATA_QCFLAG_SG = (1 << 3), /* have s/g table? */