RE: [PATCH v9 8/9] hisi_acc_vfio_pci: Add support for VFIO live migration

[Tian, Kevin]

> From: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx>
> Sent: Wednesday, March 9, 2022 2:49 AM
> 
> From: Longfang Liu <liulongfang@xxxxxxxxxx>
> 
> VMs assigned with HiSilicon ACC VF devices can now perform live migration
> if the VF devices are bind to the hisi_acc_vfio_pci driver.
> 
> Just like ACC PF/VF drivers this VFIO driver also make use of the HiSilicon
> QM interface. QM stands for Queue Management which is a generic IP used
> by
> ACC devices. It provides a generic PCIe interface for the CPU and the ACC
> devices to share a group of queues.
> 
> QM integrated into an accelerator provides queue management service.
> Queues can be assigned to PF and VFs, and queues can be controlled by
> unified mailboxes and doorbells.
> 
> The QM driver (drivers/crypto/hisilicon/qm.c) provides generic
> interfaces to ACC drivers to manage the QM.
> 
> Signed-off-by: Longfang Liu <liulongfang@xxxxxxxxxx>
> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@xxxxxxxxxx>

Except the stuff before hisi_acc_vf_disable_fd() which is very QM specific:

	Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>

Thanks
Kevin