| commit | 7486a62845b1e12011dd99973e4739f69d57cd38 | |
| author | Matthew Rosato <mjrosato@linux.ibm.com> | |
| Mon, 26 Oct 2020 15:34:33 +0000 (26 11:34 -0400) | ||
| committer | Alex Williamson <alex.williamson@redhat.com> | |
| Sun, 1 Nov 2020 19:30:51 +0000 (1 12:30 -0700) | ||
| tree | 871c8f000b5b07a4230647b2bf807b5e5c79d2f8 | treesnapshot (tar.gz zip) |
| parent | 3ab7a0b40d4be5ade3b61d4afd1518193b199423 | commitdiff |
vfio: Find DMA available capability
The underlying host may be limiting the number of outstanding DMA
requests for type 1 IOMMU. Add helper functions to check for the
DMA available capability and retrieve the current number of DMA
mappings allowed.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[aw: vfio_get_info_dma_avail moved inside CONFIG_LINUX]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The underlying host may be limiting the number of outstanding DMA
requests for type 1 IOMMU. Add helper functions to check for the
DMA available capability and retrieve the current number of DMA
mappings allowed.
Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
[aw: vfio_get_info_dma_avail moved inside CONFIG_LINUX]
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
| hw/vfio/common.c | diffblobblamehistory | |
| include/hw/vfio/vfio-common.h | diffblobblamehistory |