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2 commits

Author SHA1 Message Date
Tomita Moeko
f36e7ba975 vfio/pci: introduce config_offset field in VFIOConfigMirrorQuirk 
Device may only expose a specific portion of PCI config space through a
region in a BAR, such behavior is seen in igd GGC and BDSM mirrors in
BAR0. To handle these, config_offset is introduced to allow mirroring
arbitrary region in PCI config space.

Signed-off-by: Tomita Moeko <tomitamoeko@gmail.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Link: https://lore.kernel.org/r/20250104154219.7209-3-tomitamoeko@gmail.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
 2025-02-11 14:15:19 +01:00
Tomita Moeko
dee69a8ca6 vfio/pci: declare generic quirks in a new header file 
Declare generic vfio_generic_{window_address,window_data,mirror}_quirk
in newly created pci_quirks.h so that they can be used elsewhere, like
igd.c.

Signed-off-by: Tomita Moeko <tomitamoeko@gmail.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Link: https://lore.kernel.org/r/20250104154219.7209-2-tomitamoeko@gmail.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
 2025-02-11 14:15:19 +01:00