Merge remote-tracking branch 'remotes/awilliam/tags/vfio-update-20180313.0' into staging

VFIO updates 2018-03-13

 - Display support for vGPUs (Gerd Hoffmann)

 - Enable new kernel support for mmaps overlapping MSI-X vector table,
   disable MSI-X emulation on POWER (Alexey Kardashevskiy)

# gpg: Signature made Tue 13 Mar 2018 19:48:49 GMT
# gpg:                using RSA key 239B9B6E3BB08B22
# gpg: Good signature from "Alex Williamson <alex.williamson@redhat.com>"
# gpg:                 aka "Alex Williamson <alex@shazbot.org>"
# gpg:                 aka "Alex Williamson <alwillia@redhat.com>"
# gpg:                 aka "Alex Williamson <alex.l.williamson@gmail.com>"
# Primary key fingerprint: 42F6 C04E 540B D1A9 9E7B  8A90 239B 9B6E 3BB0 8B22

* remotes/awilliam/tags/vfio-update-20180313.0:
  ppc/spapr, vfio: Turn off MSIX emulation for VFIO devices
  vfio-pci: Allow mmap of MSIX BAR
  vfio/pci: Relax DMA map errors for MMIO regions
  vfio/display: adding dmabuf support
  vfio/display: adding region support
  vfio/display: core & wireup
  vfio/common: cleanup in vfio_region_finalize
  secondary-vga: properly close QemuConsole on unplug
  console: minimal hotplug suport
  ui/pixman: add qemu_drm_format_to_pixman()
  standard-headers: add drm/drm_fourcc.h

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

scripts/update-linux-headers.sh

@@ -39,6 +39,7 @@ cp_portable() {
                                      -e 'input-event-codes' \
                                      -e 'sys/' \
                                      -e 'pvrdma_verbs' \
+                                     -e 'drm.h' \
                                      > /dev/null
     then
         echo "Unexpected #include in input file $f".
@@ -57,6 +58,7 @@ cp_portable() {
         -e 's/__attribute__((packed))/QEMU_PACKED/' \
         -e 's/__inline__/inline/' \
         -e 's/__BITS_PER_LONG/HOST_LONG_BITS/' \
+        -e '/\"drm.h\"/d' \
         -e '/sys\/ioctl.h/d' \
         -e 's/SW_MAX/SW_MAX_/' \
         -e 's/atomic_t/int/' \
@@ -152,6 +154,9 @@ for i in "$tmpdir"/include/linux/*virtio*.h "$tmpdir/include/linux/input.h" \
          "$tmpdir/include/linux/pci_regs.h"; do
     cp_portable "$i" "$output/include/standard-headers/linux"
 done
+mkdir -p "$output/include/standard-headers/drm"
+cp_portable "$tmpdir/include/drm/drm_fourcc.h" \
+            "$output/include/standard-headers/drm"
 
 rm -rf "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"
 mkdir -p "$output/include/standard-headers/drivers/infiniband/hw/vmw_pvrdma"