[PATCH 0/5] Xen: Add support for xl.cfg passthrough setting

[Michal Privoznik]

On 4/18/20 12:29 AM, Jim Fehlig wrote:
> Hi All,
> 
> Note: This series is based on Marek's patches adding support for e820_host
> 
> https://www.redhat.com/archives/libvir-list/2020-April/msg00633.html
> 
> which I've ACK'ed, but am waiting to commit until this related setting is
> hashed out.
> 
> This series adds support for Xen's xl.cfg(5) 'passthrough' setting.
> Starting with xen 4.13 this setting must be enabled in order to assign
> PCI passthrough devices to a guest. libxl will enable it automatically
> if the guest config has PCI devices at creation time, but otherwise
> 'passthrough' must be enabled to hotplug PCI devices.
> 
> The passthrough setting is mapped to a xen hypervisor feature of the
> same name. Xen hypervisor features were recently added by the series
> mentioned above.
> 
> Jim Fehlig (5):
>    conf: add xen hypervisor feature 'passthrough'
>    libxl: make use of passthrough hypervisor feature
>    libxl: refactor cpu and hypervisor feature parser/formatter
>    xenconfig: Add support for 'passthrough' hypervisor feature
>    tests: check conversion of passthrough hypervisor feature
> 
>   docs/formatdomain.html.in                     |   7 ++
>   docs/schemas/domaincommon.rng                 |  12 ++
>   src/conf/domain_conf.c                        | 115 ++++++++++++++----
>   src/conf/domain_conf.h                        |  11 ++
>   src/libvirt_private.syms                      |   2 +
>   src/libxl/libxl_conf.c                        |  21 ++++
>   src/libxl/xen_common.c                        |  86 ++++++++++---
>   .../test-fullvirt-hypervisor-features.cfg     |  26 ++++
>   .../test-fullvirt-hypervisor-features.xml     |  50 ++++++++
>   .../xlconfigdata/test-paravirt-e820_host.cfg  |   1 +
>   .../xlconfigdata/test-paravirt-e820_host.xml  |   1 +
>   tests/xlconfigtest.c                          |   3 +
>   12 files changed, 290 insertions(+), 45 deletions(-)
>   create mode 100644 tests/xlconfigdata/test-fullvirt-hypervisor-features.cfg
>   create mode 100644 tests/xlconfigdata/test-fullvirt-hypervisor-features.xml
> 

Reviewed-by: Michal Privoznik <mprivozn at redhat.com>

Michal