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[v2,05/19] util/vfio-helpers: Improve reporting unsupported IOMMU type

Message ID 20201026105504.4023620-6-philmd@redhat.com
State New, archived
Headers show
Series util/vfio-helpers: Allow using multiple MSIX IRQs | expand

Commit Message

Philippe Mathieu-Daudé Oct. 26, 2020, 10:54 a.m. UTC
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>
---
 util/vfio-helpers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/util/vfio-helpers.c b/util/vfio-helpers.c
index c469beb0616..14a549510fe 100644
--- a/util/vfio-helpers.c
+++ b/util/vfio-helpers.c
@@ -300,7 +300,7 @@  static int qemu_vfio_init_pci(QEMUVFIOState *s, const char *device,
     }
 
     if (!ioctl(s->container, VFIO_CHECK_EXTENSION, VFIO_TYPE1_IOMMU)) {
-        error_setg_errno(errp, errno, "VFIO IOMMU check failed");
+        error_setg_errno(errp, errno, "VFIO IOMMU Type1 is not supported");
         ret = -EINVAL;
         goto fail_container;
     }