[PATCH v2 0/8] Introduce network backed NVRAM

Rohit Kumar rohit.kumar3 at nutanix.com
Mon Apr 18 07:12:19 UTC 2022


Ping.
Hi, requesting review from more people on this patchset.
Please take a look. Thanks!

On 08/04/22 11:18 pm, Rohit Kumar wrote:
> Libvirt domain XML currently allows only local filepaths
> that can be used to specify a NVRAM disk.
> Since, VMs can migrate across hypervisor hosts, it should be
> possible to allocate NVRAM disks on network storage for
> uninterrupted access.
>
> This series extends the NVRAM element to support hosting over
> network-backed disks, for high availability.
> It achieves this by embedding virStorageSource pointer for
> nvram into _virDomainLoaderDef.
>
> It introduces a 'type' attribute for NVRAM element to
> specify 'file' vs 'network' backed NVRAM.
>
> Changes v1->v2:
>   - Split the patch into smaller patches
>   - Added unit test
>   - Updated the doc
>   - Addressed Peter's comment on v1 (https://listman.redhat.com/archives/libvir-list/2022-March/229684.html)
>
> Rohit Kumar (8):
>    Make NVRAM a virStorageSource type.
>    Add support to parse/format virStorageSource type NVRAM
>    Validate remote store NVRAM
>    Cleanup diskSourceNetwork and diskSourceFile schema
>    Update XML schema to support network backed NVRAM
>    Update NVRAM documentation
>    Add unit test for network backed NVRAM
>    Add unit test to support new 'file' type NVRAM
>
>   docs/formatdomain.rst                         | 43 +++++++--
>   src/conf/domain_conf.c                        | 88 ++++++++++++++++---
>   src/conf/domain_conf.h                        |  2 +-
>   src/conf/schemas/domaincommon.rng             | 80 +++++++++++------
>   src/qemu/qemu_cgroup.c                        |  3 +-
>   src/qemu/qemu_command.c                       |  2 +-
>   src/qemu/qemu_domain.c                        | 14 +--
>   src/qemu/qemu_driver.c                        |  5 +-
>   src/qemu/qemu_firmware.c                      | 23 +++--
>   src/qemu/qemu_namespace.c                     |  5 +-
>   src/qemu/qemu_process.c                       |  5 +-
>   src/qemu/qemu_validate.c                      | 22 +++++
>   src/security/security_dac.c                   |  6 +-
>   src/security/security_selinux.c               |  6 +-
>   src/security/virt-aa-helper.c                 |  5 +-
>   src/vbox/vbox_common.c                        |  2 +-
>   .../bios-nvram-file.x86_64-latest.args        | 37 ++++++++
>   tests/qemuxml2argvdata/bios-nvram-file.xml    | 23 +++++
>   .../bios-nvram-network.x86_64-latest.args     | 37 ++++++++
>   tests/qemuxml2argvdata/bios-nvram-network.xml | 25 ++++++
>   tests/qemuxml2argvtest.c                      |  2 +
>   21 files changed, 360 insertions(+), 75 deletions(-)
>   create mode 100644 tests/qemuxml2argvdata/bios-nvram-file.x86_64-latest.args
>   create mode 100644 tests/qemuxml2argvdata/bios-nvram-file.xml
>   create mode 100644 tests/qemuxml2argvdata/bios-nvram-network.x86_64-latest.args
>   create mode 100644 tests/qemuxml2argvdata/bios-nvram-network.xml
>



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