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Check the AFU state whenever an API is called. The hypervisor may issue a reset of the adapter when it detects a fault. When it happens, it launches an error recovery which will either move the AFU to a permanent failure state, or in the disabled state. If the AFU is found to be disabled, detach all existing contexts from it before issuing a AFU reset to re-enable it. Before detaching contexts, notify any kernel driver through the EEH callbacks of the AFU pci device. Co-authored-by: Frederic Barrat <[email protected]> Signed-off-by: Frederic Barrat <[email protected]> Signed-off-by: Christophe Lombard <[email protected]> Reviewed-by: Manoj Kumar <[email protected]> Acked-by: Ian Munsie <[email protected]> Signed-off-by: Michael Ellerman <[email protected]>
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