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[switchdev 3/x] Add host.VdpaInterface whch provided helpers to work with VDPA devices #585

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[switchdev 3/x] Add host.VdpaInterface whch provided helpers to work with VDPA devices #585

wants to merge 4 commits into from

Commits on Jan 15, 2024

  1. Add additional methods to host/kernel.go 

    New methods are:
* BindDriverByBusAndDevice - binds device to the provided driver
* UnbindDriverByBusAndDevice
unbind device identified by bus and device ID from the driver

Both methods allows to work with devices not
only on PCI bus.

+refactor driver-related methods
+add unit-tests for changed methods

Signed-off-by: Yury Kulazhenkov <ykulazhenkov@nvidia.com>
    @ykulazhenkov
    ykulazhenkov committed Jan 15, 2024
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  2. Add wrapper for govdpa lib 

    Signed-off-by: Yury Kulazhenkov <ykulazhenkov@nvidia.com>
    @ykulazhenkov
    ykulazhenkov committed Jan 15, 2024
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  3. Add mock for host.KernelInterface interface 

    This change is required to be able to test
implementation of host.VdpaInterface that will
be added by following commits

Signed-off-by: Yury Kulazhenkov <ykulazhenkov@nvidia.com>
    @ykulazhenkov
    ykulazhenkov committed Jan 15, 2024
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  4. Add VdpaInterface to host package 

    The interface provides implementation
for the following functions:
* CreateVDPADevice - creates VDPA device for
VF with required type(vhost, virtio)
* DeleteVDPADevice - removes VDPA device
for provided VF
* DiscoverVDPAType - return type of existing
VDPA device for VF

Signed-off-by: Yury Kulazhenkov <ykulazhenkov@nvidia.com>
    @ykulazhenkov
    ykulazhenkov committed Jan 15, 2024
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