Module Name:    src
Committed By:   jdolecek
Date:           Sat Aug 12 09:52:29 UTC 2017

Modified Files:
        src/sys/dev/ata [jdolecek-ncq]: TODO.ncq ata.c ata_wdc.c atavar.h
        src/sys/dev/ic [jdolecek-ncq]: mvsata.c wdc.c wdcvar.h
        src/sys/dev/pci [jdolecek-ncq]: pciide_common.c
        src/sys/dev/scsipi [jdolecek-ncq]: atapi_wdc.c

Log Message:
remove all logic around ATACH_IRQ_WAIT and channel-global ch_error/ch_status,
so that there is less hidden state shared by commands; primary intent is
to make the NCQ and non-NCQ paths more similar, and remove possibility
of incorrect handling for the NCQ commands

tested both disk and ATAPI - piixide(4) on QEMU, and siisata(4),
ahcisata(4), mvsata(4) on real hw

To generate a diff of this commit:
cvs rdiff -u -r1.1.2.32 -r1.1.2.33 src/sys/dev/ata/TODO.ncq
cvs rdiff -u -r1.132.8.24 -r1.132.8.25 src/sys/dev/ata/ata.c
cvs rdiff -u -r1.105.6.6 -r1.105.6.7 src/sys/dev/ata/ata_wdc.c
cvs rdiff -u -r1.92.8.21 -r1.92.8.22 src/sys/dev/ata/atavar.h
cvs rdiff -u -r1.35.6.19 -r1.35.6.20 src/sys/dev/ic/mvsata.c
cvs rdiff -u -r1.283.2.10 -r1.283.2.11 src/sys/dev/ic/wdc.c
cvs rdiff -u -r1.97.26.1 -r1.97.26.2 src/sys/dev/ic/wdcvar.h
cvs rdiff -u -r1.62.4.1 -r1.62.4.2 src/sys/dev/pci/pciide_common.c
cvs rdiff -u -r1.123.4.10 -r1.123.4.11 src/sys/dev/scsipi/atapi_wdc.c

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

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