This series tries to send the vGPU page flip events to userspace, which can be used by QEMU UI for rendering and display with the latest guest framebuffers. v2: Use VFIO irq chain to get eventfds from userspace instead of adding a new ABI. (Alex) v1: https://patchwork.kernel.org/cover/10962341/ Tina Zhang (3): vfio: Use capability chains to handle device specific irq drm/i915/gvt: Leverage irq capability chain to get eventfd drm/i915/gvt: Send plane flip events to user space drivers/gpu/drm/i915/gvt/display.c | 10 +- drivers/gpu/drm/i915/gvt/gvt.h | 4 + drivers/gpu/drm/i915/gvt/handlers.c | 20 ++- drivers/gpu/drm/i915/gvt/hypercall.h | 1 + drivers/gpu/drm/i915/gvt/kvmgt.c | 208 +++++++++++++++++++++++++-- drivers/gpu/drm/i915/gvt/mpt.h | 16 +++ include/uapi/linux/vfio.h | 23 ++- 7 files changed, 268 insertions(+), 14 deletions(-) -- 2.17.1
