Here is my latest patchset to allow mapping of MSIX BAR to the guest in order to accelerate MMIO on certains devices.
This is based on sha1 008a51b Peter Maydell "Merge remote-tracking branch 'remotes/famz/tags/staging-pull-request' into staging". Please comment. Thanks. Changes: v7: * split into many patches * test iova/llsize against pgmask in vfio_listener_region_add/del * s/vfio_is_cap_present/vfio_has_region_cap/ * added comments here and there * s/vdev->msix->table_bar/region->nr/ Alexey Kardashevskiy (4): linux-headers: update to f1517df8701c vfio/pci: Relax DMA map errors for MMIO regions vfio-pci: Allow mmap of MSIX BAR ppc/spapr, vfio: Turn off MSIX emulation for VFIO devices include/hw/vfio/vfio-common.h | 1 + include/standard-headers/linux/input-event-codes.h | 1 + include/standard-headers/linux/input.h | 11 + include/standard-headers/linux/pci_regs.h | 30 +- include/standard-headers/linux/virtio_balloon.h | 3 +- include/standard-headers/linux/virtio_net.h | 13 + linux-headers/asm-powerpc/unistd.h | 3 + linux-headers/asm-s390/unistd.h | 401 +-------------------- linux-headers/linux/psci.h | 3 + linux-headers/linux/vfio.h | 72 ++++ hw/ppc/spapr.c | 7 + hw/vfio/common.c | 70 +++- hw/vfio/pci.c | 22 ++ 13 files changed, 220 insertions(+), 417 deletions(-) -- 2.11.0
