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qemu: Add function to hotplug vfio device

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Add ability to hotplug a pci device bound to
vfio-pci driver.

Signed-off-by: Archana Shinde <archana.m.shinde@intel.com>
This commit is contained in:
Archana Shinde 2017-11-09 17:53:26 -08:00
parent 7e5614b8a7
commit b639da45ed
1 changed files with 13 additions and 0 deletions
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13
qmp.go
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@ -691,3 +691,16 @@ func (q *QMP) ExecutePCIDeviceAdd(ctx context.Context, blockdevID, devID, driver
} }
return q.executeCommand(ctx, "device_add", args, nil) return q.executeCommand(ctx, "device_add", args, nil)
} }
// ExecuteVFIODeviceAdd adds a VFIO device to a QEMU instance
// using the device_add command. devID is the id of the device to add.
// Must be valid QMP identifier. bdf is the PCI bus-device-function
// of the pci device.
func (q *QMP) ExecuteVFIODeviceAdd(ctx context.Context, devID, bdf string) error {
args := map[string]interface{}{
"id": devID,
"driver": "vfio-pci",
"host": bdf,
}
return q.executeCommand(ctx, "device_add", args, nil)
}