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[RFC,v4,2/5] util/vfio-helpers: Improve reporting unsupported IOMMU type

Message ID 20200819160318.835292-3-philmd@redhat.com
State Superseded
Headers show
Series [RFC,v4,1/5] block/nvme: Use an array of EventNotifier | expand

Commit Message

Philippe Mathieu-Daudé Aug. 19, 2020, 4:03 p.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>
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 e399e330e26..9a83e6084e5 100644
--- a/util/vfio-helpers.c
+++ b/util/vfio-helpers.c
@@ -261,7 +261,7 @@  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;
     }