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| author | Tomita Moeko <tomitamoeko@gmail.com> | 2025-03-07 02:01:25 +0800 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2025-03-11 17:01:14 +0100 |
| commit | b22ab580d284558e298228e40f11be057cd3576c (patch) | |
| tree | d697ff02dcbe76c096c5384a49dd097a933526cf | |
| parent | eabaa7b468eac63cb9acf47717f030c679532e6c (diff) | |
| download | qemu-b22ab580d284558e298228e40f11be057cd3576c.zip qemu-b22ab580d284558e298228e40f11be057cd3576c.tar.gz qemu-b22ab580d284558e298228e40f11be057cd3576c.tar.bz2 | |
vfio/pci: Add placeholder for device-specific config space quirks
IGD devices require device-specific quirk to be applied to their PCI
config space. Currently, it is put in the BAR4 quirk that does nothing
to BAR4 itself. Add a placeholder for PCI config space quirks to hold
that quirk later.
Signed-off-by: Tomita Moeko <tomitamoeko@gmail.com>
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Tested-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Corvin Köhne <c.koehne@beckhoff.com>
Link: https://lore.kernel.org/qemu-devel/20250306180131.32970-6-tomitamoeko@gmail.com
Signed-off-by: Cédric Le Goater <clg@redhat.com>
| -rw-r--r-- | hw/vfio/pci-quirks.c | 5 | ||||
| -rw-r--r-- | hw/vfio/pci.c | 4 | ||||
| -rw-r--r-- | hw/vfio/pci.h | 1 |
3 files changed, 10 insertions, 0 deletions
diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c index 37966e1..78aef7d 100644 --- a/hw/vfio/pci-quirks.c +++ b/hw/vfio/pci-quirks.c @@ -1117,6 +1117,11 @@ static void vfio_probe_rtl8168_bar2_quirk(VFIOPCIDevice *vdev, int nr) /* * Common quirk probe entry points. */ +bool vfio_config_quirk_setup(VFIOPCIDevice *vdev, Error **errp) +{ + return true; +} + void vfio_vga_quirk_setup(VFIOPCIDevice *vdev) { vfio_vga_probe_ati_3c3_quirk(vdev); diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 419dc2c..ff1e720 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -3128,6 +3128,10 @@ static void vfio_realize(PCIDevice *pdev, Error **errp) goto out_unset_idev; } + if (!vfio_config_quirk_setup(vdev, errp)) { + goto out_unset_idev; + } + if (vdev->vga) { vfio_vga_quirk_setup(vdev); } diff --git a/hw/vfio/pci.h b/hw/vfio/pci.h index f660b0d..d125e73 100644 --- a/hw/vfio/pci.h +++ b/hw/vfio/pci.h @@ -204,6 +204,7 @@ uint64_t vfio_vga_read(void *opaque, hwaddr addr, unsigned size); void vfio_vga_write(void *opaque, hwaddr addr, uint64_t data, unsigned size); bool vfio_opt_rom_in_denylist(VFIOPCIDevice *vdev); +bool vfio_config_quirk_setup(VFIOPCIDevice *vdev, Error **errp); void vfio_vga_quirk_setup(VFIOPCIDevice *vdev); void vfio_vga_quirk_exit(VFIOPCIDevice *vdev); void vfio_vga_quirk_finalize(VFIOPCIDevice *vdev); |