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  • Port dom0 to the ARM cpu architecture
    Release engineering Wiki Home Edit Comment Source History New RecentChanges NetBSD Wiki projects project Port dom0 to the ARM cpu architecture Contact port xen port arm Abstract Xen now supports the ARM cpu architecture We still don t have support in NetBSD for this architecture A dom0 would be the first start in this direction Deliverables toolstack port to arm Fully functioning dom0 This project would be much easier once

    Original URL path: http://wiki.netbsd.org/projects/project/xen-arm/ (2016-02-01)
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  • Blktap2 driver support
    to provide access to on disk files arbitrated by the kernel The NetBSD kernel lacks this support and currently disables blktap in xentools Deliverables blktap2 driver for dev blktapX Tool support to be enabled in xentools Enable access to various file formats Qcow VHD etc via the tap disk specification Implementation The driver interacts with some areas of the kernel that are different from linux eg inter domain page mapping

    Original URL path: http://wiki.netbsd.org/projects/project/xen-blktap2/ (2016-02-01)
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  • Boot path cleanup to remove #ifdef XEN clutter
    In the interests of moving towards unified pvops kernels the code can be modified to be conditionally executed at runtime Deliverables Removal of ifdef conditional code from all source files New minor internal API definitions where required to encapsulate platform specific conditional execution Performance comparison figures for before and after Clear up the API clutter to make way for pvops Note Header files are exempt from ifdef removal requirement Implementation

    Original URL path: http://wiki.netbsd.org/projects/project/xen-boot-cleanup/ (2016-02-01)
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  • Dom0 hvm container support (PVH)
    On amd64 this has the same performance drawbacks as for PV mode in domU Instead PVH mode provides a HVM container over pagetable management while virtualising everything else This mode is available on dom0 we attempt to support it Note Xen Linux is moving to this dom0 pvh support model Deliverables PVH mode dom0 operation Implementation This project depends on the domU pvops pvh project The main work is in

    Original URL path: http://wiki.netbsd.org/projects/project/xen-dom0-pvh/ (2016-02-01)
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  • Dom0 SMP support
    xen Duration estimate 64 hours Abstract Dom0 is not SMP safe right now The main culprits are the backend drivers for blk and netif and possibly others such as pciback Deliverables SMP capable dom0 Implementation This involves extensive stress testing of the dom0 kernel for concurrency and SMP workloads Locking in various backend and other drivers need to be reviewed reworked and tested Interrupt paths need to be reviewed and

    Original URL path: http://wiki.netbsd.org/projects/project/xen-dom0-smp/ (2016-02-01)
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  • pv-on-hvm - Paravirtualised Driver Support with drivers in an HVM container
    towards PVH mode This is relevant only for DomU Speeds up amd64 PV on amd64 has sub optimal TLB and syscall overhead due to privilege level sharing between kernel and userland Deliverables operational PV drivers netif h blkif h on HVM mode Implementation Xen needs to be detected at boottime The shared page and hypercall interface need to be setup xenbus 4 attachment during bootime configuration Scope Timelines This project

    Original URL path: http://wiki.netbsd.org/projects/project/xen-domU-pv-on-hvm/ (2016-02-01)
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  • pvops/pvh - Runtime Paravirtualised/Native Boot with PV drivers in an HVM container in PVH mode
    towards PVH mode This is relevant only for DomU Xen is moving to this eventual dom0 pvh support model This project depends on completion of pv on hvm Deliverables operational interrupt event handling PV only drivers Implementation Following on from the pv on hvm project this project removes all remaining dependencies on native drivers All drivers are PV only Interrupt setup and handling is via the event mechanism Scope Timelines

    Original URL path: http://wiki.netbsd.org/projects/project/xen-domU-pvops-pvh/ (2016-02-01)
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  • ACPI power management (sleep/wakeup) support for Xen
    project ACPI power management sleep wakeup support for Xen Contact port xen Duration estimate 16 hours 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

    Original URL path: http://wiki.netbsd.org/projects/project/xen-domu-acpi/ (2016-02-01)
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