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| author | Eric Auger <eric.auger@redhat.com> | 2023-10-19 15:45:08 +0200 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2023-11-03 09:20:31 +0100 |
| commit | 51478a8ef5694cbd92b9a3436ec4489464210a8e (patch) | |
| tree | cdc14fcd69a6520fc02d8795b9f6a6c0b3074308 /system | |
| parent | e8f433f80e831ecd81989ae0246f3f1e2d3ac480 (diff) | |
| download | qemu-51478a8ef5694cbd92b9a3436ec4489464210a8e.zip qemu-51478a8ef5694cbd92b9a3436ec4489464210a8e.tar.gz qemu-51478a8ef5694cbd92b9a3436ec4489464210a8e.tar.bz2 | |
memory: Introduce memory_region_iommu_set_iova_ranges
This helper will allow to convey information about valid
IOVA ranges to virtual IOMMUS.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Acked-by: Peter Xu <peterx@redhat.com>
Reviewed-by: "Michael S. Tsirkin" <mst@redhat.com>
[ clg: fixes in memory_region_iommu_set_iova_ranges() and
iommu_set_iova_ranges() documentation ]
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'system')
| -rw-r--r-- | system/memory.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/system/memory.c b/system/memory.c index 4928f25..304fa84 100644 --- a/system/memory.c +++ b/system/memory.c @@ -1921,6 +1921,19 @@ int memory_region_iommu_set_page_size_mask(IOMMUMemoryRegion *iommu_mr, return ret; } +int memory_region_iommu_set_iova_ranges(IOMMUMemoryRegion *iommu_mr, + GList *iova_ranges, + Error **errp) +{ + IOMMUMemoryRegionClass *imrc = IOMMU_MEMORY_REGION_GET_CLASS(iommu_mr); + int ret = 0; + + if (imrc->iommu_set_iova_ranges) { + ret = imrc->iommu_set_iova_ranges(iommu_mr, iova_ranges, errp); + } + return ret; +} + int memory_region_register_iommu_notifier(MemoryRegion *mr, IOMMUNotifier *n, Error **errp) { |