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* hw/vfio: Move the IGD quirk code to a separate fileThomas Huth2020-02-061-0/+5
| | | | | | | | | | | | | | | | | | | The IGD quirk code defines a separate device, the so-called "vfio-pci-igd-lpc-bridge" which shows up as a user-creatable device in all QEMU binaries that include the vfio code. This is a little bit unfortunate for two reasons: First, this device is completely useless in binaries like qemu-system-s390x. Second we also would like to disable it in downstream RHEL which currently requires some extra patches there since the device does not have a proper Kconfig-style switch yet. So it would be good if the device could be disabled more easily, thus let's move the code to a separate file instead and introduce a proper Kconfig switch for it which gets only enabled by default if we also have CONFIG_PC_PCI enabled. Signed-off-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
* vfio: vfio-pci requires EDIDPaolo Bonzini2019-11-181-0/+1
| | | | | | | | hw/vfio/display.c needs the EDID subsystem, select it. Cc: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
* vfio-pci: enable by defaultPaolo Bonzini2019-03-111-1/+2
| | | | | | | | | CONFIG_VFIO_PCI was not "default y" - and once you do that, it is also important to disable it if PCI is not there. Reported-by: Alex Williamson <alex.williamson@redhat.com> Tested-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* vfio: express vfio dependencies with KconfigPaolo Bonzini2019-03-071-3/+10
| | | | Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* build: switch to KconfigPaolo Bonzini2019-03-071-0/+9
| | | | | | | | | | | | | | | | | | | | The make_device_config.sh script is replaced by minikconf, which is modified to support the same command line as its predecessor. The roots of the parsing are default-configs/*.mak, Kconfig.host and hw/Kconfig. One difference with make_device_config.sh is that all symbols have to be defined in a Kconfig file, including those coming from the configure script. This is the reason for the Kconfig.host file introduced in the previous patch. Whenever a file in default-configs/*.mak used $(...) to refer to a config-host.mak symbol, this is replaced by a Kconfig dependency; this part must be done already in this patch for bisectability. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Yang Zhong <yang.zhong@intel.com> Acked-by: Thomas Huth <thuth@redhat.com> Message-Id: <20190123065618.3520-28-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* kconfig: introduce kconfig filesPaolo Bonzini2019-03-071-0/+20
The Kconfig files were generated mostly with this script: for i in `grep -ho CONFIG_[A-Z0-9_]* default-configs/* | sort -u`; do set fnord `git grep -lw $i -- 'hw/*/Makefile.objs' ` shift if test $# = 1; then cat >> $(dirname $1)/Kconfig << EOF config ${i#CONFIG_} bool EOF git add $(dirname $1)/Kconfig else echo $i $* fi done sed -i '$d' hw/*/Kconfig for i in hw/*; do if test -d $i && ! test -f $i/Kconfig; then touch $i/Kconfig git add $i/Kconfig fi done Whenever a symbol is referenced from multiple subdirectories, the script prints the list of directories that reference the symbol. These symbols have to be added manually to the Kconfig files. Kconfig.host and hw/Kconfig were created manually. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Yang Zhong <yang.zhong@intel.com> Message-Id: <20190123065618.3520-27-yang.zhong@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>