[PATCH 0/6] PF: Initial support to save/restore VF GuC state

[Michał Winiarski]

On Thu, Sep 12, 2024 at 10:38:11PM GMT, Michal Wajdeczko wrote:
> To successfully migrate a VM with attached GPU VF we also need to
> migrate VF's GuC state. This series adds necessary functions to save
> and restore a VF state and also allows testing migration flow using
> debugfs, ahead of availability of other required components that are
> under development.

For the series:

Reviewed-by: Michał Winiarski <michal.winiarski at intel.com>

Thanks,
-Michał

> 
> Michal Wajdeczko (6):
>   drm/xe/guc: Fix GUC_{SUBMIT,FIRMWARE}_VER helper macros
>   drm/xe/guc: Add PF2GUC_SAVE_RESTORE_VF to ABI
>   drm/xe/pf: Add functions to save and restore VF GuC state
>   drm/xe/pf: Save VF GuC state when pausing VF
>   drm/xe/pf: Allow to view and replace VF GuC state over debugfs
>   drm/xe/pf: Allow to trigger VF GuC state restore from debugfs
> 
>  drivers/gpu/drm/xe/Makefile                   |   1 +
>  .../gpu/drm/xe/abi/guc_actions_sriov_abi.h    |  61 +++
>  drivers/gpu/drm/xe/xe_gt_sriov_pf.c           |   2 +
>  drivers/gpu/drm/xe/xe_gt_sriov_pf_control.c   |  41 +-
>  .../gpu/drm/xe/xe_gt_sriov_pf_control_types.h |   2 +
>  drivers/gpu/drm/xe/xe_gt_sriov_pf_debugfs.c   |  49 ++
>  drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.c | 419 ++++++++++++++++++
>  drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h |  24 +
>  .../drm/xe/xe_gt_sriov_pf_migration_types.h   |  40 ++
>  drivers/gpu/drm/xe/xe_gt_sriov_pf_types.h     |   6 +
>  drivers/gpu/drm/xe/xe_guc.h                   |   6 +-
>  11 files changed, 648 insertions(+), 3 deletions(-)
>  create mode 100644 drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.c
>  create mode 100644 drivers/gpu/drm/xe/xe_gt_sriov_pf_migration.h
>  create mode 100644 drivers/gpu/drm/xe/xe_gt_sriov_pf_migration_types.h
> 
> -- 
> 2.43.0
>