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author | Cédric Le Goater <clg@redhat.com> | 2024-06-17 08:34:00 +0200 |
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committer | Cédric Le Goater <clg@redhat.com> | 2024-06-24 23:15:31 +0200 |
commit | 17401879c416c48c72e5e4d805244b893d44637c (patch) | |
tree | f85f6f27d821dea5e009d7b73015265f10093948 | |
parent | 55974f35eac3d8166a8dee498b1efee2ef9663c5 (diff) | |
download | qemu-17401879c416c48c72e5e4d805244b893d44637c.zip qemu-17401879c416c48c72e5e4d805244b893d44637c.tar.gz qemu-17401879c416c48c72e5e4d805244b893d44637c.tar.bz2 |
vfio/container: Introduce vfio_get_iommu_class_name()
Rework vfio_get_iommu_class() to return a literal class name instead
of a class object. We will need this name to instantiate the object
later on. Since the default case asserts, remove the error report as
QEMU will simply abort before.
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Cédric Le Goater <clg@redhat.com>
-rw-r--r-- | hw/vfio/container.c | 18 |
1 files changed, 6 insertions, 12 deletions
diff --git a/hw/vfio/container.c b/hw/vfio/container.c index 589f37b..bb6abe6 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -373,24 +373,20 @@ static int vfio_get_iommu_type(int container_fd, /* * vfio_get_iommu_ops - get a VFIOIOMMUClass associated with a type */ -static const VFIOIOMMUClass *vfio_get_iommu_class(int iommu_type, Error **errp) +static const char *vfio_get_iommu_class_name(int iommu_type) { - ObjectClass *klass = NULL; - switch (iommu_type) { case VFIO_TYPE1v2_IOMMU: case VFIO_TYPE1_IOMMU: - klass = object_class_by_name(TYPE_VFIO_IOMMU_LEGACY); + return TYPE_VFIO_IOMMU_LEGACY; break; case VFIO_SPAPR_TCE_v2_IOMMU: case VFIO_SPAPR_TCE_IOMMU: - klass = object_class_by_name(TYPE_VFIO_IOMMU_SPAPR); + return TYPE_VFIO_IOMMU_SPAPR; break; default: g_assert_not_reached(); }; - - return VFIO_IOMMU_CLASS(klass); } static bool vfio_set_iommu(VFIOContainer *container, int group_fd, @@ -398,6 +394,7 @@ static bool vfio_set_iommu(VFIOContainer *container, int group_fd, { int iommu_type; const VFIOIOMMUClass *vioc; + const char *vioc_name; iommu_type = vfio_get_iommu_type(container->fd, errp); if (iommu_type < 0) { @@ -426,11 +423,8 @@ static bool vfio_set_iommu(VFIOContainer *container, int group_fd, container->iommu_type = iommu_type; - vioc = vfio_get_iommu_class(iommu_type, errp); - if (!vioc) { - error_setg(errp, "No available IOMMU models"); - return false; - } + vioc_name = vfio_get_iommu_class_name(iommu_type); + vioc = VFIO_IOMMU_CLASS(object_class_by_name(vioc_name)); vfio_container_init(&container->bcontainer, vioc); return true; |