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backends/iommufd: Extend iommufd_backend_get_device_info() to fetch HW capabilities

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The helper will be able to fetch vendor agnostic IOMMU capabilities
supported both by hardware and software. Right now it is only iommu dirty
tracking.

Signed-off-by: Joao Martins <joao.m.martins@oracle.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Reviewed-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
This commit is contained in:
Joao Martins 2024-07-19 13:04:51 +01:00 • committed by Cédric Le Goater
parent 9f17604195
commit 2d1bf25897
3 changed files with 7 additions and 3 deletions
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2
include/sysemu/iommufd.h
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@ -49,7 +49,7 @@ int iommufd_backend_unmap_dma(IOMMUFDBackend *be, uint32_t ioas_id,
hwaddr iova, ram_addr_t size);
bool iommufd_backend_get_device_info(IOMMUFDBackend *be, uint32_t devid,
uint32_t *type, void *data, uint32_t len,
Error **errp);
uint64_t *caps, Error **errp);
#define TYPE_HOST_IOMMU_DEVICE_IOMMUFD TYPE_HOST_IOMMU_DEVICE "-iommufd"
#endif