File:  [NetBSD Developer Wiki] / wikisrc / projects / project / xen-domu-acpi.mdwn
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Wed Aug 19 00:12:08 2015 UTC (4 years, 3 months ago) by reed
Branches: MAIN
CVS tags: HEAD
add more xen related projects

this was provided to board

[[!template id=project

title="ACPI power management (sleep/wakeup) support for Xen"

contact="""
[port-xen](mailto:port-xen@NetBSD.org)
"""

mentors="""
"""

category="kernel"
difficulty="hard"
duration="16 hours"

description="""
Abstract:

Although Xen has ACPI support, the kernel needs to make
explicit hypercalls for power management related functions.

sleep/resume are supported, and this support needs to be
exported via the dom0 kernel.

Deliverables:

* sleep/resume support for NetBSD/Xen dom0

Implementation:

There are two approaches to this. The first one involves
using the kernel to export syscall nodes for ACPI.

The second one involves Xen aware power scripts, which can
write directly to the hypercall kernfs node -
/kern/privcmd. Device tree suspend could happen via
drvctl(8), in theory.
"""

]]


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