Alex Williamson 2dd1194833 vfio-pci: Manage user power state transitions ... We give the user access to change the power state of the device but certain transitions result in an uninitialized state which the user cannot resolve. To fix this we need to mark the PowerState field of the PMCSR register read-only and effect the requested change on behalf of the user. This has the added benefit that pdev->current_state remains accurate while controlled by the user. The primary example of this bug is a QEMU guest doing a reboot where the device it put into D3 on shutdown and becomes unusable on the next boot because the device did a soft reset on D3->D0 (NoSoftRst-). Signed-off-by: Alex Williamson <alex.williamson@redhat.com>		2013-02-18 10:10:33 -07:00
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pci	vfio-pci: Manage user power state transitions	2013-02-18 10:10:33 -07:00
Kconfig
Makefile
vfio_iommu_type1.c
vfio.c	vfio: whitelist pcieport	2013-02-14 14:02:13 -07:00