util/vfio-helpers: Improve reporting unsupported IOMMU type
commita4bc212add9bd9d7a7baaa095f875d9212eb1fc9
authorPhilippe Mathieu-Daudé <philmd@redhat.com>
Tue, 3 Nov 2020 02:07:27 +0000 (3 03:07 +0100)
committerStefan Hajnoczi <stefanha@redhat.com>
Tue, 3 Nov 2020 19:06:22 +0000 (3 19:06 +0000)
treef9b2e0c9aabb0209d77d33b0d881974c3916b8a1
parenta0546a7b6f14a919b67cea1d1fc4362ac2901868
util/vfio-helpers: Improve reporting unsupported IOMMU type

Change the confuse "VFIO IOMMU check failed" error message by
the explicit "VFIO IOMMU Type1 is not supported" once.

Example on POWER:

 $ qemu-system-ppc64 -drive if=none,id=nvme0,file=nvme://0001:01:00.0/1,format=raw
 qemu-system-ppc64: -drive if=none,id=nvme0,file=nvme://0001:01:00.0/1,format=raw: VFIO IOMMU Type1 is not supported

Suggested-by: Alex Williamson <alex.williamson@redhat.com>
Reviewed-by: Fam Zheng <fam@euphon.net>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20201103020733.2303148-2-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
util/vfio-helpers.c