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20 Commits

Author SHA1 Message Date
imp
4ba44b5d1b Make some unwise casts. On i386 these casts wind up being safe. Rather 
than disturb the API, go with these casts to shut gcc up.
 2014-04-05 22:42:00 +00:00
delphij
0d3fbce5f2 Hide a few messages under bootverbose. 
Reviewed by:	Abhishek Gupta
MFC after:	2 weeks
 2014-03-14 00:47:46 +00:00
mav
5b661a59bd Minor fix to r262789. 
MFC after:	6 days
 2014-03-06 12:37:25 +00:00
mav
e91188eee2 Remove custom bus scanner code and fix use of CAM's default scanner. 
This fixes kernel panic during boot, caused by incompatibility of recent
CAM locking changes and this bus scanner code.

Submitted by:	Microsoft
MFC after:	1 week
 2014-03-05 16:42:33 +00:00
glebius
529a68392a Another round of removing historical mbuf(9) allocator flags. 
They are breeding! New ones arouse since last round.

Sponsored by:	Nginx, Inc.
 2014-01-16 13:44:47 +00:00
pjd
fe4a871aa6 Fix missing new line after: 
Netvsc initializing...

during boot.
 2013-12-10 17:16:13 +00:00
delphij
ebba0d128d Don't reference pointer before testing whether it is 
NULL.

Submitted by:	Clement Lecigne <clecigne google com>
Reviewed by:	grehan
MFC after:	3 days
 2013-10-29 22:42:30 +00:00
nwhitehorn
3e9a158ce7 More BUS_PROBE_NOWILDCARD sweeping. Some devices here (if_ath_ahb and siba) 
resist easy conversion since they implement a great deal of their attach
logic inside probe(). Some of this could be fixed by moving it to attach(),
but some requires something more subtle than BUS_PROBE_NOWILDCARD.
 2013-10-29 14:19:42 +00:00
glebius
f469ae1d45 Include necessary headers that now are available due to pollution 
via if_var.h.

Sponsored by:	Netflix
Sponsored by:	Nginx, Inc.
 2013-10-28 07:29:16 +00:00
gibbs
c8b87aac87 Centralize the detection logic for the Hyper-V hypervisor. 
Submitted by:	Roger Pau Monné
Sponsored by:	Citrix Systems R&D
Reviewed by:	gibbs, grehan
Approved by:	re (gjb)

sys/sys/systm.h:
 * Add a new VM_GUEST type, VM_GUEST_HV (HyperV guest).

sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c:
sys/dev/hyperv/vmbus/hv_hv.c:
sys/dev/hyperv/stordisengage/hv_ata_pci_disengage.c:
 * Set vm_guest to VM_GUEST_HV and use that on other HyperV related
   devices instead of cloning the cpuid hypervisor check.
 * Cleanup the vmbus_identify function.
 2013-10-13 02:41:30 +00:00
grehan
e4009f5516 Fix a lock-order reversal in the net driver by dropping the lock 
and holding a reference prior to calling further into the hyperv
stack.

Added missing FreeBSD idents.

Submitted by:	Microsoft hyperv dev team
Approved by:	re@ (gjb)
 2013-10-12 00:32:34 +00:00
grehan
35b7675f72 Fix vmbus channel memory leak where incorrect length parameter was 
being passed to contigfree().

Submitted by:	Microsoft hyperv dev team
Approved by:	re@ (glebius)
 2013-10-11 21:30:27 +00:00
grehan
7abe80694b Allow the legacy CDROM device to be accessed in a FreeBSD guest, while 
still using enlightened drivers for other block devices.

Submitted by:	Microsoft hyperv dev team, mav@
Approved by:	re@
 2013-10-10 22:46:49 +00:00
dim
ee09e09e18 In sys/dev/hyperv, fix a number of gcc warnings about usage of anonymous 
union members in strict C99, by giving them names.  While here, add some
FreeBSD keywords where they were missing.

Approved by:	re (gjb)
Reviewed by:	grehan
 2013-10-10 16:25:53 +00:00
gibbs
716c2031c7 Correct panic caused by attaching both Xen PV and HyperV virtualization 
aware drivers on Xen hypervisors that advertise support for some
HyperV features.

x86/xen/hvm.c:
	When running in HVM mode on a Xen hypervisor, set vm_guest
	to VM_GUEST_XEN so other virtualization aware components in
	the FreeBSD kernel can detect this mode is active.

dev/hyperv/vmbus/hv_hv.c:
	Use vm_guest to ignore Xen's HyperV emulation when Xen is
	detected and Xen PV drivers are active.

Reported by:	Shanker Balan
Submitted by:	Roger Pau Monné
Sponsored by:	Citrix Systems R&D
Reviewed by:	gibbs
Approved by:	re (Xen blanket)
 2013-10-05 19:51:09 +00:00
grehan
0804d47dcd Reorder the hypervisor presence test to avoid claiming ATA disks 
on non hyperv systems.

Reviewed by:	neel, abgupta at microsoft dot com
Approved by:	re@ (hrs)
 2013-09-19 02:34:52 +00:00
grehan
8294851167 Revert the kvp code - there's still some work that 
needs to be done for that.

Discussed with:	Microsoft hyper-v devs
 2013-09-09 19:27:44 +00:00
grehan
182a56e295 Latest update from Microsoft. 
Obtained from:	Microsoft Hyper-v dev team
 2013-09-09 08:07:46 +00:00
grehan
fd121a9c7b IFC @ r253862 
- change the SI_SUB_RUN_SCHEDULER sysinits in hv_utilc and
hv_netvsc_drv_freebsd.c to SI_SUB_KTHREAD_IDLE, since the
former is no longer in FreeBSD.
  The use of these SYSINITs can probably be removed.
 2013-08-01 22:09:57 +00:00
grehan
c8195f5331 Microsoft have changed their policy on how the hyper-v code will 
be pulled into FreeBSD. From now, FreeBSD will be considered the
upstream repo.

First step: move the drivers away from the contrib area and into
the base system.

A follow-on commit will include the drivers in the amd64 GENERIC kernel.
 2013-07-17 06:30:23 +00:00