CVS commit: [jdolecek-ncq] src/sys/dev

["Jaromir Dolecek" <jdolecek%netbsd.org@localhost>]

Module Name:    src
Committed By:   jdolecek
Date:           Mon Apr 24 15:15:02 UTC 2017

Modified Files:
        src/sys/dev/ata [jdolecek-ncq]: TODO.ncq
        src/sys/dev/ic [jdolecek-ncq]: ahcisata_core.c

Log Message:
do not use PRD Byte Count for queued commands to determine number of bytes
actually transferred; it should not be used and is not guaranteed to be
valid according to AHCI spec, underflow is always invalid for queued cmds

this fixes my ls problem under QEMU


To generate a diff of this commit:
cvs rdiff -u -r1.1.2.9 -r1.1.2.10 src/sys/dev/ata/TODO.ncq
cvs rdiff -u -r1.57.6.9 -r1.57.6.10 src/sys/dev/ic/ahcisata_core.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.