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8 Commits

Author SHA1 Message Date
jhb
afc928387f Fix the maximum transfer size for mfi(4) disk devices to not exceed the 
maximum number of scatter/gather elements supported in the bus dma tag.

Reviewed by:	scottl
MFC after:	1 week
 2008-11-17 23:30:19 +00:00
jhb
da9c015b52 Teach the mfi(4) driver to handle requests from userland management 
applications to add and remove volumes.

MFC after:	1 week
Approved by:	re (bmah)
Reviewed by:	ambrisko, scottl
 2007-08-13 19:29:17 +00:00
scottl
c1f92f9a26 Collapse the mfi_ld object. Add an ioctl to help management apps map 
array Id's to FreeBSD device names.
 2007-05-10 15:33:41 +00:00
scottl
012e27daa1 - Add a command validator for use in debugging. 
- Fix the locking protocol to eliminate races between normal I/O and AENs.
- Various small improvements and usability tweaks.

Sponsored by: IronPort
Portions Submitted by: Doug Ambrisko
 2006-10-16 04:18:38 +00:00
ps
2946fa1ebc Instead of using scsi probes to do device discovery, use the firmware 
commands to grab the device listing.  This resolves issues using
multiple volumes, where each volume was actually internally pointing
to target 0.
 2006-06-20 22:41:44 +00:00
ambrisko
2f056812a1 Add in a bunch of things to the mfi driver: 
- Linux ioctl support, with the other Linux changes MegaCli
	will run if you mount linprocfs & linsysfs then set
	sysctl compat.linux.osrelease=2.6.12 or similar.  This works
	on i386.  It should work on amd64 but not well tested yet.
	StoreLib may or may not work.  Remember to kldload mfi_linux.
      - Add in AEN (Async Event Notification) support so we can
	get messages from the firmware when something happens.
	Not all messages are in defined in event detail.  Use
	event_log to try to figure out what happened.
      - Try to implement something like SIGIO for StoreLib.  Since
	mrmonitor doesn't work right I can't fully test it.  StoreLib
	works best with the rh9 base.  In theory mrmonitor isn't
	needed due to native driver support of AEN :-)
Now we can configure and monitor the RAID better.

Submitted by:	IronPort Systems.
 2006-05-18 23:30:48 +00:00
scottl
b99f1961b8 Handle invalid capacity parameters from the firmware. 2006-03-28 01:59:11 +00:00
scottl
fe1496da44 Add a driver for the new LSI MegaRAID SAS controller family. The 'MFI' name 
is derived from the phrase 'MegaRAID Firmware Interface' used by LSI.  This
driver provides a block interface to logical disks on the card and a minimal
management device.  It is MPSAFE, INTR_FAST, and 64-bit capable.

Thanks to Dell for providing hardware to test with and IronPort for
sponsoring the work.

Sponsored by: Dell, Ironport
MFC After: 3 days
 2006-03-25 06:14:32 +00:00