[PATCH manager/qemu-server 0/8] Add API and UI for custom CPU models

[Arthur Bied-Charreton <a.bied-charreton@proxmox.com>]

This is picked up from an old series [0] by Stefan Reiter.

As of before this series, the only way to create custom CPU models is by
editing `/etc/pve/virtual-guest/cpu-models.conf` manually.

This can be cumbersome for a few reasons, e.g., due to the fact that flags
misconfigurations are only caught when starting the VM.

`cpu-flags` endpoint:
The `cpu-flags` endpoint previously returned a list of hardcoded flags,
which is both non-exhaustive (some flags I should be able to set are missing),
and partly incorrect (some flags my host(s) do not support set are returned).
This is limiting and can lead to misconfigurations. The updated endpoint
intersects all flags QEMU accepts as `-cpu` arguments with all flags the host
hardware/emulation actually supports. This way, if I am able to set a flag in
the UI, I can be confident that the VM will actually be able to start.

Custom CPU model CRUD functionality:
Expose CRUD endpoints and UI flow to interact with `cpu-models.conf`. For each
flag, show a list of the cluster nodes supporting it, and only expose flags that
at least one node supports to avoid misconfigurations. Filter flags by
acceleration type (KVM/TCG).

[0] https://lore.proxmox.com/pve-devel/20211028114150.3245864-1-s.reiter@proxmox.com/


pve-manager:

Arthur Bied-Charreton (5):
  ui: VMCPUFlagSelector: Fix unknownFlags behaviour
  ui: CPUModelSelector: Fix dirty state on default
  ui: CPUModelSelector: Allow filtering out custom models
  ui: Add basic custom CPU model editor
  ui: Add CPU flag editor for custom models

 www/manager6/Makefile                  |   3 +
 www/manager6/dc/CPUTypeEdit.js         |  99 ++++++++++++++++
 www/manager6/dc/CPUTypeView.js         | 139 ++++++++++++++++++++++
 www/manager6/dc/Config.js              |   6 +
 www/manager6/form/CPUModelSelector.js  |  18 ++-
 www/manager6/form/PhysBitsSelector.js  | 153 +++++++++++++++++++++++++
 www/manager6/form/VMCPUFlagSelector.js | 135 ++++++++++++++++++----
 7 files changed, 529 insertions(+), 24 deletions(-)
 create mode 100644 www/manager6/dc/CPUTypeEdit.js
 create mode 100644 www/manager6/dc/CPUTypeView.js
 create mode 100644 www/manager6/form/PhysBitsSelector.js


qemu-server:

Arthur Bied-Charreton (3):
  qemu: Add helpers for new custom models endpoints
  api: qemu: Extend cpu-flags endpoint to return actually supported
    flags
  api: qemu: Add CRUD handlers for custom CPU models

 src/PVE/API2/Qemu/CPU.pm        | 236 +++++++++++++++++++++++++++++++-
 src/PVE/API2/Qemu/CPUFlags.pm   | 108 ++++++++++++++-
 src/PVE/QemuServer/CPUConfig.pm |  35 ++++-
 3 files changed, 374 insertions(+), 5 deletions(-)


Summary over all repositories:
  10 files changed, 903 insertions(+), 29 deletions(-)

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