qemu Enables support for Linux's Async IO Enable alsa output for sound emulation Adds support for braille displays using brltty Support ISOs / -cdrom directives vis HTTP or HTTPS. Enables firmware device tree support Enable JPEG compression for the VNC console server Enable the ncurses-based console Build support for Smartcard devices emulation using dev-libs/nss Enable PNG compression for the VNC console server Enable pulseaudio output for sound emulation Provides the qemu-ifup script for use with QEMU's built in bridging Enable rados block device backend support, see http://ceph.newdream.net/wiki/QEMU-RBD Enable the SDL-based console Enable Spice protocol support via app-emulation/spice Enable TLS support for the VNC console server Enable TLS support for the VNC console server Use sys-apps/usbredir to redirect USB devices to another machine over TCP Enable VDE-based networking Enable accelerated networking using vhost-net, see http://www.linux-kvm.org/page/VhostNet Add support for getting and setting POSIX extended attributes, through sys-apps/attr. Requisite for the virtfs backend. Enables support for Xen backends