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vfio: Add routine for finding VFIO_DEVICE_GET_INFO capabilities

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Now that VFIO_DEVICE_GET_INFO supports capability chains, add a helper
function to find specific capabilities in the chain.

Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
This commit is contained in:
Matthew Rosato 2020-10-26 11:34:40 -04:00 • committed by Alex Williamson
parent 9670ee7527
commit 92fe289ace
2 changed files with 12 additions and 0 deletions
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2
include/hw/vfio/vfio-common.h
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@ -216,6 +216,8 @@ struct vfio_info_cap_header *
vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id);
bool vfio_get_info_dma_avail(struct vfio_iommu_type1_info *info,
unsigned int *avail);
struct vfio_info_cap_header *
vfio_get_device_info_cap(struct vfio_device_info *info, uint16_t id);
#endif
extern const MemoryListener vfio_prereg_listener;