[pve-devel] partially-applied: [PATCH common/qemu-server/manager] adapt to nvidia vgpu api changes

[Thomas Lamprecht]

Am 06/08/2024 um 14:21 schrieb Dominik Csapak:
> For many new cards, nvidia changed the kernel interface since kernel
> verion 6.8. Instead of using mediated devices, they provide their own
> api.
> 
> This series adapts to that, with no required change to the vm config,
> and only minimal changes to our api.
> 
> The biggest change is that the mdev types can now be queried on
> /nodes/NODE/hardware/pci/<pciid-or-mapping/mdev either via a pci id
> (like it was before) or via the name of a pci mapping (now checks all
> local devices from that mapping)
> 
> A thing to improve could be to parse the available vgpu types from
> nvidia-smi instead of the sysfs, since that not always contains all
> types (see the common patch 1/2 for details)
> 
> We could abstract the code that deals with different types probably a
> bit more, but for me it seems Ok for now, and finding a good API for
> that is hard with only 3 modes that are very different from each other
> (raw/mdev/nvidia).
> 
> qemu-server patches depend on the common patches, but the manager patch
> does not rely on any other in this series. It is required though
> for the user to be able to select types (in certain conditions).
> 
> note that this series requires my previous patch to the sysfstools to
> improve write reliability[0], otherwise the cleanup or creation may
> fail.
> 
> 0: https://lists.proxmox.com/pipermail/pve-devel/2024-July/064814.html
> 
> pve-common:
> 
> Dominik Csapak (2):
>   SysFSTools: handle new nvidia syfsapi as mdev
>   SysFSTools: lscpi: move mdev and iommugroup check outside of verbose
> 
>  src/PVE/SysFSTools.pm | 83 ++++++++++++++++++++++++++-----------------
>  1 file changed, 51 insertions(+), 32 deletions(-)
> 
> qemu-server:
> 
> Dominik Csapak (3):
>   pci: choose devices: don't reserve pciids when vm is already running
>   pci: remove pci reservation: optionally give list of ids to remove
>   pci: mdev: adapt to nvidia interface with kernel >= 6.8
> 
>  PVE/QemuServer.pm                | 30 +++++++++--
>  PVE/QemuServer/PCI.pm            | 92 +++++++++++++++++++++++++++++---
>  test/run_config2command_tests.pl |  8 ++-
>  3 files changed, 118 insertions(+), 12 deletions(-)
> 
> pve-manager:
> 
> Dominik Csapak (1):
>   api/ui: improve mdev listing for pci mappings
> 
>  PVE/API2/Hardware/PCI.pm     | 45 +++++++++++++++++++++++++++++-------
>  www/manager6/qemu/PCIEdit.js | 12 +---------
>  2 files changed, 38 insertions(+), 19 deletions(-)
> 


applied all but the pve-manager patch for now with Christoph's T-b and R-b, thanks!