Re: [PATCH common/debcargo-conf/manager/proxmox-perl-rs/qemu-server 00/13] use NVML for vGPU info querying

["Christoph Heiss" <c.heiss@proxmox.com>]

Built and tested on our RTX A5000 rig.

Works as advertised - the vGPU type descriptions are now actually shown
in the mdev type selector dropdown.

Please consider the series:

Reviewed-by: Christoph Heiss <c.heiss@proxmox.com>
Tested-by: Christoph Heiss <c.heiss@proxmox.com>

On Thu Mar 5, 2026 at 10:16 AM CET, Dominik Csapak wrote:
> This series replaces Christoph's previous series[0]
>
> It's more or less a rewrite, thus no v2 or similar, but some patches directly
> take code from Christoph's attempt, so i marked those commits as
> co-developed-by.
>
> Changes:
>
> Instead of using our own wrapper+high level abstraction use the already existing
> 'nvml-wrapper' and 'nvml-wrapper-sys' which had a very similar approach, but are
> already packaged in debian. (though not fully up-to-date to what we need, so
> i updated/backported the patches). Please tell me if when i should send
> these kind of patches differently.
>
> Also i expose two functions, 'creatable' and 'supported' for future proofing,
> since we want to have a more complete response in the api about which profiles
> are available.
>
> I moved the code that depends on the perlmod binding to qemu-server for now
> as it seemed fitting, we only need it there and in pve-manager
>
> If wanted I can split it out into it's own package (proxmox-pci?
> proxmox-hardware? proxmox-mdev?, not sure what's a good name for this), but
> that could also be done later when we need it.
>
> Also changed the format of the description from 'x,y,z' to 'x
> y
> z' since
> that's what was there previously and what the gui expects. Also the fields
> themselves can contain ',' so parsing would be unnecessarily hard when we do
> that.
>
> The pve-common cleanup patch is optional, and as an alternative we could
> just mark these deprecated and remove them with e.g. 10.0 so we can save us a
> breaks cyclye for pve-common <-> qemu-server.
>
> 0: https://lore.proxmox.com/pve-devel/20260120131319.949986-1-c.heiss@proxmox.com/
>
> debcargo-conf:
>
> Dominik Csapak (4):
>   nvml-wrapper: Update to 0.12.0
>   nvml-wrapper: add patch for vgpu ids
>   backport nvml-wrapper-sys 0.9.0-1
>   backport nvml-wrapper 0.12.0-1
>
> Matthias Geiger (4):
>   nvml-wrapper-sys: Update to 0.9.0
>   nvml-wrapper-sys: release 0.9.0-1
>   nvml-wrapper: Update to 0.11.0
>   nvml-wrapper: release 0.11.0-1
>
>  src/nvml-wrapper-sys/debian/changelog         | 12 +++++++
>  .../debian/copyright.debcargo.hint            |  7 ++++
>  src/nvml-wrapper/debian/changelog             | 20 ++++++++++++
>  .../debian/copyright.debcargo.hint            | 11 +++++--
>  ...-method-for-getting-the-vGPU-type-id.patch | 32 +++++++++++++++++++
>  src/nvml-wrapper/debian/patches/series        |  1 +
>  6 files changed, 81 insertions(+), 2 deletions(-)
>  create mode 100644 src/nvml-wrapper/debian/patches/add-method-for-getting-the-vGPU-type-id.patch
>
>
> proxmox-perl-rs:
>
> Dominik Csapak (1):
>   pve: add binding for accessing vgpu info
>
>  pve-rs/Cargo.toml           |  1 +
>  pve-rs/Makefile             |  1 +
>  pve-rs/src/bindings/mod.rs  |  3 ++
>  pve-rs/src/bindings/nvml.rs | 91 +++++++++++++++++++++++++++++++++++++
>  4 files changed, 96 insertions(+)
>  create mode 100644 pve-rs/src/bindings/nvml.rs
>
>
> qemu-server:
>
> Dominik Csapak (2):
>   pci: move mdev related code to own module
>   pci: mdev: use PVE::RS::NVML for nvidia mdev information
>
>  src/PVE/QemuServer.pm           |   5 +-
>  src/PVE/QemuServer/Makefile     |   1 +
>  src/PVE/QemuServer/PCI.pm       |  58 +++--------
>  src/PVE/QemuServer/PCI/Makefile |   9 ++
>  src/PVE/QemuServer/PCI/Mdev.pm  | 164 ++++++++++++++++++++++++++++++++
>  5 files changed, 190 insertions(+), 47 deletions(-)
>  create mode 100644 src/PVE/QemuServer/PCI/Makefile
>  create mode 100644 src/PVE/QemuServer/PCI/Mdev.pm
>
>
> pve-manager:
>
> Dominik Csapak (1):
>   api: hardware: pci: use NVML for querying mdev information
>
>  PVE/API2/Hardware/PCI.pm | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
>
> pve-common:
>
> Dominik Csapak (1):
>   sysfs tools: remove moved code
>
>  src/PVE/SysFSTools.pm | 111 ------------------------------------------
>  1 file changed, 111 deletions(-)
>
>
> Summary over all repositories:
>   17 files changed, 370 insertions(+), 163 deletions(-)