a POWER and an x86 board can run the same code to emulate a PCI network
card, even though the boards use different PCI host bridges, and they
can run the same code to emulate a SCSI disk while using different
-SCSI adapters. ARM, s390 and x86 boards can all present a virtio-blk
+SCSI adapters. Arm, s390 and x86 boards can all present a virtio-blk
disk to their guests, but with three different virtio guest interfaces.
Each QEMU target enables a subset of the boards, devices and buses that