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Diffstat (limited to 'static/freebsd/man4/vmgenc.4 3.html')
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diff --git a/static/freebsd/man4/vmgenc.4 3.html b/static/freebsd/man4/vmgenc.4 3.html deleted file mode 100644 index 69cf01a3..00000000 --- a/static/freebsd/man4/vmgenc.4 3.html +++ /dev/null @@ -1,73 +0,0 @@ -<table class="head"> - <tr> - <td class="head-ltitle">VMGENC(4)</td> - <td class="head-vol">Device Drivers Manual</td> - <td class="head-rtitle">VMGENC(4)</td> - </tr> -</table> -<div class="manual-text"> -<section class="Sh"> -<h1 class="Sh" id="NAME"><a class="permalink" href="#NAME">NAME</a></h1> -<p class="Pp"><code class="Nm">vmgenc</code> — <span class="Nd">ACPI - virtual machine generation ID counter</span></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYNOPSIS"><a class="permalink" href="#SYNOPSIS">SYNOPSIS</a></h1> -<p class="Pp"><code class="Cd">device vmgenc</code></p> -<p class="Pp">In <a class="Xr">loader.conf(5)</a>: - <br/> - <code class="Cd">vmgenc_load="YES"</code></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="DESCRIPTION"><a class="permalink" href="#DESCRIPTION">DESCRIPTION</a></h1> -<p class="Pp">The <code class="Nm">vmgenc</code> driver provides support for the - Virtual Machine Generation ID, a 128-bit unique identifier exposed by the - hypervisor via ACPI. The hypervisor changes this identifier whenever the - virtual machine is cloned, restored from a snapshot, or otherwise - duplicated.</p> -<p class="Pp">When a generation ID change is detected, the - <code class="Nm">vmgenc</code> driver feeds the new identifier into the - kernel entropy pool via <a class="Xr">random(4)</a>, ensuring that - duplicated virtual machines do not share cryptographic state. The driver - also sends a <a class="Xr">devctl(4)</a> event and an internal kernel - notification so that other subsystems can respond to the duplication.</p> -<p class="Pp">The Virtual Machine Generation ID specification is supported by - QEMU, VMware ESXi, Microsoft Hyper-V, and Xen.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="SYSCTL_VARIABLES"><a class="permalink" href="#SYSCTL_VARIABLES">SYSCTL - VARIABLES</a></h1> -<p class="Pp">The following variable is available:</p> -<dl class="Bl-tag"> - <dt id="dev.vmgenc._d.guid"><var class="Va">dev.vmgenc.%d.guid</var></dt> - <dd>The current cached VM generation counter as a 128-bit value. This value is - updated each time the hypervisor signals a generation change.</dd> -</dl> -</section> -<section class="Sh"> -<h1 class="Sh" id="SEE_ALSO"><a class="permalink" href="#SEE_ALSO">SEE - ALSO</a></h1> -<p class="Pp"><a class="Xr">acpi(4)</a>, <a class="Xr">random(4)</a></p> -</section> -<section class="Sh"> -<h1 class="Sh" id="HISTORY"><a class="permalink" href="#HISTORY">HISTORY</a></h1> -<p class="Pp">The <code class="Nm">vmgenc</code> driver first appeared in - <span class="Ux">FreeBSD 13.0</span>.</p> -</section> -<section class="Sh"> -<h1 class="Sh" id="AUTHORS"><a class="permalink" href="#AUTHORS">AUTHORS</a></h1> -<p class="Pp">The <code class="Nm">vmgenc</code> driver was written by - <span class="An">Conrad Meyer</span> - <<a class="Mt" href="mailto:cem@FreeBSD.org">cem@FreeBSD.org</a>>.</p> -<p class="Pp">This manual page was written by - <br/> - <span class="An">Christos Longros</span> - <<a class="Mt" href="mailto:chris.longros@gmail.com">chris.longros@gmail.com</a>>.</p> -</section> -</div> -<table class="foot"> - <tr> - <td class="foot-date">March 21, 2026</td> - <td class="foot-os">FreeBSD 15.0</td> - </tr> -</table> |
