src-test2/sys/dev/hyperv, branch release/10.0.0

MFC r257369:

2013-11-01T17:39:59Z

Don't reference pointer before testing whether it is NULL. Submitted by: Clement Lecigne Reviewed by: grehan Approved by: re (kib)

MFC r256425:

2013-10-18T23:19:27Z

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. ------------------------------------------------------------------------

MFC r256362

2013-10-12T00:42:41Z

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. Approved by: re@ (gjb)

MFC r256350

2013-10-11T21:47:17Z

Fix vmbus channel memory leak where incorrect length parameter was being passed to contigfree(). Approved by: re@ (glebius)

MFC r256304

2013-10-11T18:27:12Z

Allow the legacy CDROM device to be accessed in a FreeBSD guest, while still using enlightened drivers for other block devices. Approved by: re@ (gjb)

In sys/dev/hyperv, fix a number of gcc warnings about usage of anonymous

2013-10-10T16:25:53Z

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

Correct panic caused by attaching both Xen PV and HyperV virtualization

2013-10-05T19:51:09Z

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)

Reorder the hypervisor presence test to avoid claiming ATA disks

2013-09-19T02:34:52Z

on non hyperv systems. Reviewed by: neel, abgupta at microsoft dot com Approved by: re@ (hrs)

Revert the kvp code - there's still some work that

2013-09-09T19:27:44Z

needs to be done for that. Discussed with: Microsoft hyper-v devs

Latest update from Microsoft.

2013-09-09T08:07:46Z

Obtained from: Microsoft Hyper-v dev team