Module Name: src
Committed By: jakllsch
Date: Mon Jun 12 23:25:06 UTC 2017
Modified Files:
src/sys/dev/ata [jdolecek-ncq]: TODO.ncq
Log Message:
Add a few more NCQ branch action items.
To generate a diff of this commit:
cvs rdiff -u -r1.1.2.12 -r1.1.2.13 src/sys/dev/ata/TODO.ncq
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/ata/TODO.ncq
diff -u src/sys/dev/ata/TODO.ncq:1.1.2.12 src/sys/dev/ata/TODO.ncq:1.1.2.13
--- src/sys/dev/ata/TODO.ncq:1.1.2.12 Mon Jun 12 21:53:19 2017
+++ src/sys/dev/ata/TODO.ncq Mon Jun 12 23:25:06 2017
@@ -3,13 +3,27 @@ Bugs
test crashdump with ahci
-siisata - fix all 'XXX slot'
+siisata - fix all 'XXX slot' -- jakllsch has this done but uncommited
+
+test crashdump with siisata
test wd* at umass?, confirm the ata_channel kludge works
is ata_exec_xfer() + POLL safe wrt. more outstanding I/Os? why is it waiting
until xfer is head of queue? also layer violation with the ata_xfer_free() call
+further test port multipliers (currently appears to not work)
+
+test device error handling (currently appears to not work well, at least in NCQ case)
+
+do proper NCQ error recovery (currently not even really attempted)
+
+maybe do device error handling in not-interrupt-context (maybe this should be
+done on a mpata branch?)
+
+atabus(4) queue depth can only shrink, causing NCQ to not be available if NCQ
+drive rescaned after detach of non-NCQ drive
+
Other random notes (do outside the NCQ branch):
-----------------------------------------------------
add nibble to control number of tags (1==disable NCQ)?
