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msi: Generalize msix_supported to msi_supported
Rename msix_supported to msi_supported and control MSI and MSI-Xactivation this way. That was likely to original intention for thisflag, but MSI support came after MSI-X.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
msi: use specific endian ld/st_phys
Signed-off-by: Alexander Graf <agraf@suse.de>Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Merge remote-tracking branch 'origin/master' into pci
Conflicts: hw/virtio-pci.c
msi: Fix copy&paste mistake in msi_uninit
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Fix typo in code and comments
Replace writeable -> writable
Signed-off-by: Stefan Weil <weil@mail.berlios.de>Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
MSI: Robust resource release
msi_init may fail, so we need to check on uninit if the cap wasactually installed. This also avoids that the users need to check.
msi: simplify write config a bit.
use pci_device_deassert_intx().
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Introduce range.h
Extract range functions from pci.h. These will be used by later patchesby non-PCI devices. Adjust current users.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>(cherry picked from commit bf1b00712375bea65f2254dea8281fa646eebbd5)
msi: simplify range checks
config write handlers should be idempotent.So no need for complex range checks: a simpleone checking that we are touching the relevant capabilitywill do.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
msi: minor cleanups
Comment fixup (tell what it does not what it does not do),typo fix, whitespace fix.
msi: implements msi
implements msi related functions.