Re: [PATCH v6 0/5] drm/xe/vf: Post-migration recovery worker basis

[Michal Wajdeczko <michal.wajdeczko@intel.com>]

On 04.11.2024 22:34, Tomasz Lis wrote:
> To support VF Migration, it is necessary to do fixups to any
> non-virtualized resources. These fixups need to be applied within
> VM, on the KMD working with VF.
> 
> This series introduces a post-migration recovery worker, executed
> after migration to perform fixups.
> 
> Specific fixups will be added later in further series.
> 
> v2: renamed and moved functions, updated logged messages, removed
>   unused includes, used anon struct, keeping pm ref during whole
>   recovery, skip handshake, style fixes (Michal)
> v3: ordering, kerneldoc, asserts, debug messages, on_all_tiles ->
>   on_all_gts, switched 'err' and 'ret'  (Michal)
> v4: fixed missing header include in one patch
> v5: Explained what fixups are, explained which IRQ is used, style
>   fixes, assert to separate patch, debug message per GuC instead
>   of one, comments changes (Michal)
> v6: Improved documentation patch, updated one debug message
> 

series LGTM,

Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>


> Tomasz Lis (5):
>   drm/xe/vf: React to MIGRATED interrupt
>   drm/xe/vf: Document SRIOV VF restore flow
>   drm/xe/vf: Send RESFIX_DONE message at end of VF restore
>   drm/xe/vf: Start post-migration fixups with provisinoning query
>   drm/xe/vf: Defer fixups if migrated twice fast
> 
>  drivers/gpu/drm/xe/Makefile                   |   3 +-
>  .../gpu/drm/xe/abi/guc_actions_sriov_abi.h    |  38 +++++
>  drivers/gpu/drm/xe/xe_device_types.h          |   2 +
>  drivers/gpu/drm/xe/xe_gt_sriov_vf.c           |  63 +++++++
>  drivers/gpu/drm/xe/xe_gt_sriov_vf.h           |   2 +
>  drivers/gpu/drm/xe/xe_guc.c                   |  11 ++
>  drivers/gpu/drm/xe/xe_memirq.c                |   3 +
>  drivers/gpu/drm/xe/xe_sriov.c                 |   4 +
>  drivers/gpu/drm/xe/xe_sriov_types.h           |  17 ++
>  drivers/gpu/drm/xe/xe_sriov_vf.c              | 156 ++++++++++++++++++
>  drivers/gpu/drm/xe/xe_sriov_vf.h              | 121 ++++++++++++++
>  11 files changed, 419 insertions(+), 1 deletion(-)
>  create mode 100644 drivers/gpu/drm/xe/xe_sriov_vf.c
>  create mode 100644 drivers/gpu/drm/xe/xe_sriov_vf.h
>