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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@huawei.com> Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com> Link: https://lore.kernel.org/r/20220308184902.2242-9-shameerali.kolothum.thodi@huawei.com Reviewed-by: Kevin Tian <kevin.tian@intel.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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