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![]() Older versions of skiboot only provide a single value in the device
tree property "ibm,mmio-atsd", even when multiple Address Translation
Shoot Down (ATSD) registers are present. This prevents NVLink2 devices
(other than the first) from being used with vfio-pci because vfio-pci
expects to be able to assign a dedicated ATSD register to each NVLink2
device.
However, ATSD registers can be shared among devices. This change
allows vfio-pci to fall back to sharing the register at index 0 if
necessary.
Fixes:
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.. | ||
Kconfig | ||
Makefile | ||
trace.h | ||
vfio_pci.c | ||
vfio_pci_config.c | ||
vfio_pci_igd.c | ||
vfio_pci_intrs.c | ||
vfio_pci_nvlink2.c | ||
vfio_pci_private.h | ||
vfio_pci_rdwr.c |