[PATCH 0/2] qemu: Use .hostdevice attribute for usb-host

Mon Sep 21 19:10:17 UTC 2020

On 9/14/20 4:57 AM, Michal Privoznik wrote:
> See 2/2 for explanation why we need this.
> 
> Also, .hostdevice uses qemu_open() under the hood which enables Libvirt
> to pass FD instead of /dev/bus/usb/... path. However, qemu_open() does
> not support getfd style of passing FD (which is what we use), but so
> called FD sets which require some more work. I'm working on it as we
> speak but I figured, let's fix this bug first and post FD passing after
> that.
> 
> For curious ones, here is the raw, unclean version with FD sets:
> 
> https://gitlab.com/MichalPrivoznik/libvirt/-/commits/qemu_hostdev_alt/
> 

All patches:

Reviewed-by: Daniel Henrique Barboza <danielhb413 at gmail.com>

> Michal Prívozník (2):
>    qemu_capabilities: Add QEMU_CAPS_USB_HOST_HOSTDEVICE
>    qemu: Use .hostdevice attribute for usb-host
> 
>   src/qemu/qemu_capabilities.c                  |  10 ++
>   src/qemu/qemu_capabilities.h                  |   3 +
>   src/qemu/qemu_command.c                       |  21 ++-
>   .../caps_1.5.3.x86_64.replies                 | 126 ++++++++++++--
>   .../caps_1.6.0.x86_64.replies                 | 126 ++++++++++++--
>   .../caps_1.7.0.x86_64.replies                 | 126 ++++++++++++--
>   .../caps_2.1.1.x86_64.replies                 | 126 ++++++++++++--
>   .../caps_2.10.0.aarch64.replies               | 134 +++++++++++++--
>   .../caps_2.10.0.ppc64.replies                 | 130 ++++++++++++--
>   .../caps_2.10.0.s390x.replies                 | 134 +++++++++++++--
>   .../caps_2.10.0.x86_64.replies                | 146 +++++++++++++---
>   .../caps_2.11.0.s390x.replies                 | 134 +++++++++++++--
>   .../caps_2.11.0.x86_64.replies                | 146 +++++++++++++---
>   .../caps_2.12.0.aarch64.replies               | 150 +++++++++++++---
>   .../caps_2.12.0.ppc64.replies                 | 142 ++++++++++++---
>   .../caps_2.12.0.s390x.replies                 | 142 ++++++++++++---
>   .../caps_2.12.0.x86_64.replies                | 162 ++++++++++++++----
>   .../caps_2.4.0.x86_64.replies                 | 126 ++++++++++++--
>   .../caps_2.5.0.x86_64.replies                 | 130 ++++++++++++--
>   .../caps_2.6.0.aarch64.replies                | 134 +++++++++++++--
>   .../caps_2.6.0.ppc64.replies                  | 130 ++++++++++++--
>   .../caps_2.6.0.x86_64.replies                 | 130 ++++++++++++--
>   .../caps_2.7.0.s390x.replies                  | 130 ++++++++++++--
>   .../caps_2.7.0.x86_64.replies                 | 130 ++++++++++++--
>   .../caps_2.8.0.s390x.replies                  | 134 +++++++++++++--
>   .../caps_2.8.0.x86_64.replies                 | 130 ++++++++++++--
>   .../caps_2.9.0.ppc64.replies                  | 130 ++++++++++++--
>   .../caps_2.9.0.s390x.replies                  | 134 +++++++++++++--
>   .../caps_2.9.0.x86_64.replies                 | 146 +++++++++++++---
>   .../caps_3.0.0.ppc64.replies                  | 142 ++++++++++++---
>   .../caps_3.0.0.riscv32.replies                | 138 +++++++++++++--
>   .../caps_3.0.0.riscv64.replies                | 138 +++++++++++++--
>   .../caps_3.0.0.s390x.replies                  | 142 ++++++++++++---
>   .../caps_3.0.0.x86_64.replies                 | 162 ++++++++++++++----
>   .../caps_3.1.0.ppc64.replies                  | 142 ++++++++++++---
>   .../caps_3.1.0.x86_64.replies                 | 162 ++++++++++++++----
>   .../caps_4.0.0.aarch64.replies                | 150 +++++++++++++---
>   .../caps_4.0.0.ppc64.replies                  | 142 ++++++++++++---
>   .../caps_4.0.0.riscv32.replies                | 138 +++++++++++++--
>   .../caps_4.0.0.riscv64.replies                | 138 +++++++++++++--
>   .../caps_4.0.0.s390x.replies                  | 142 ++++++++++++---
>   .../caps_4.0.0.x86_64.replies                 | 162 ++++++++++++++----
>   .../caps_4.1.0.x86_64.replies                 | 154 ++++++++++++++---
>   .../caps_4.2.0.aarch64.replies                | 154 ++++++++++++++---
>   .../caps_4.2.0.ppc64.replies                  | 142 ++++++++++++---
>   .../caps_4.2.0.s390x.replies                  | 142 ++++++++++++---
>   .../caps_4.2.0.x86_64.replies                 | 154 ++++++++++++++---
>   .../caps_5.0.0.aarch64.replies                | 154 ++++++++++++++---
>   .../caps_5.0.0.ppc64.replies                  | 142 ++++++++++++---
>   .../caps_5.0.0.riscv64.replies                | 138 +++++++++++++--
>   .../caps_5.0.0.x86_64.replies                 | 154 ++++++++++++++---
>   .../caps_5.1.0.x86_64.replies                 | 158 ++++++++++++++---
>   .../caps_5.1.0.x86_64.xml                     |   1 +
>   .../caps_5.2.0.x86_64.replies                 | 158 ++++++++++++++---
>   .../caps_5.2.0.x86_64.xml                     |   1 +
>   55 files changed, 6110 insertions(+), 982 deletions(-)
> 