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

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

Module Name:    src
Committed By:   jdolecek
Date:           Mon Jun 12 21:38:50 UTC 2017

Modified Files:
        src/sys/dev/ic [jdolecek-ncq]: mvsata.c

Log Message:
add support for NCQ on Gen IIe hardware

mvsata_quetag_get()/put() pairs adjusted to work also for non-DMA code paths,
i.e. during probe; replaced wdcintr() call with local routine which uses
currently active command tag, rather than assuming always tag 0 on that
code path

~55MB/s -> ~80MB/s sequential read using fio(1) on a test HDD, quite nice


To generate a diff of this commit:
cvs rdiff -u -r1.35.6.8 -r1.35.6.9 src/sys/dev/ic/mvsata.c

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