Here's a draft MSI-X support patch. Among missing features: save/load support, and command-line flag to control the feature. This is on top of qemu-kvm: msi-x is disabled without kvm interrupt injection support for now. Michael S. Tsirkin (2): qemu-kvm: add MSI-X support qemu-kvm: use common code for assigned msix Makefile.target | 2 +- hw/device-assignment.c | 336 +++++++++++--------------------------------- hw/device-assignment.h | 8 +- hw/msix.c | 371 ++++++++++++++++++++++++++++++++++++++++++++++++ hw/msix.h | 33 +++++ hw/pci.c | 35 ++++-- hw/pci.h | 57 +++++++- hw/virtio-balloon.c | 2 +- hw/virtio-blk.c | 3 +- hw/virtio-console.c | 3 +- hw/virtio-net.c | 3 +- hw/virtio.c | 167 +++++++++++++++++----- hw/virtio.h | 4 +- 13 files changed, 709 insertions(+), 315 deletions(-) create mode 100644 hw/msix.c create mode 100644 hw/msix.h _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/virtualization
