Re: [PATCH v1 1/2] iommufd: Make attach_handle generic than fault specific

[Yi Liu <yi.l.liu@intel.com>]

On 2025/2/4 13:00, Nicolin Chen wrote:
> "attach_handle" was added exclusively for the iommufd_fault_iopf_handler()
> used by IOPF/PRI use cases. Now, both the MSI and PASID series require to
> reuse the attach_handle for non-fault cases.
> 
> Add a set of new attach/detach/replace helpers that does the attach_handle
> allocation/releasing/replacement in the common path and also handles those
> fault specific routines such as iopf enabling/disabling and auto response.
> 
> This covers both non-fault and fault cases in a clean way, replacing those
> inline helpers in the header. The following patch will clean up those old
> helpers in the fault.c file.
> 
> Signed-off-by: Nicolin Chen <nicolinc@nvidia.com>
> ---
>   drivers/iommu/iommufd/iommufd_private.h |  33 +-------
>   drivers/iommu/iommufd/device.c          | 101 ++++++++++++++++++++++++
>   drivers/iommu/iommufd/fault.c           |   8 +-
>   3 files changed, 109 insertions(+), 33 deletions(-)

Reviewed-by: Yi Liu <yi.l.liu@intel.com>


-- 
Regards,
Yi Liu