hv_utils (4)

Leading comments

$FreeBSD: releng/11.0/share/man/man4/hv_utils.4 276259 2014-12-26 22:30:18Z bapt $

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(The comments found at the beginning of the groff file "man4/hv_utils.4freebsd".)

NAME

hv_utils - Hyper-V Utilities Driver

SYNOPSIS

To compile this driver into the kernel, place the following lines in the system kernel configuration file:

device hyperv

DESCRIPTION

The driver provides time keeping, shutdown and heartbeat functionality for Fx guest partitions running on Hyper-V. Hyper-V is a hypervisor-based virtualization technology from Microsoft. The driver is one of the core drivers required to be present in guest partitions running on Hyper-V. This driver provides the following functionalities to guest partitions:

(a) Time Keeping: The clock inside the guest partition will remain accurate by synchronizing to the clock on the virtualization server via Timesync service, and with the help of the pluggable time source device.

(b) Integrated shutdown: Guest partitions running Fx can be shut down from Hyper-V Manager console by using the Qq Shut down command.

(c) Heartbeat: This feature allows the virtualization server to detect whether the guest partition is running and responsive.

SEE ALSO

hv_vmbus4, hv_netvsc4, hv_storvsc4, hv_ata_pci_disengage4

HISTORY

Support for first appeared in Fx 10.0 . The driver was developed through a joint effort between Citrix Incorporated, Microsoft Corporation, and Network Appliance Incorporated.

AUTHORS

An -nosplit Fx support for was first added by An Microsoft BSD Integration Services Team Aq bsdic@microsoft.com .