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Add PAPR H_VIO_SIGNAL hypercall and infrastructure for VIO interrupts
This patch adds infrastructure to support interrupts from PAPR virtual IOdevices. This includes correctly advertising those interrupts in thedevice tree, and implementing the H_VIO_SIGNAL hypercall, used to...
Add (virtual) interrupt to PAPR virtual tty device
Now that we have implemented the PAPR "xics" virtualized interruptcontroller, we can add interrupts in PAPR VIO devices. This patch addsinterrupt support to the PAPR virtual tty/console device.
Signed-off-by: David Gibson <dwg@au1.ibm.com>...
Implement the bus structure for PAPR virtual IO
This extends the "pseries" (PAPR) machine to include a virtual IO bussupporting the PAPR defined hypercall based virtual IO mechanisms.
So far only one VIO device is provided, the vty / vterm, providinga full console (polled only, for now)....