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| author | David Hildenbrand <david@redhat.com> | 2021-04-13 11:55:25 +0200 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2021-07-08 15:54:45 -0400 |
| commit | 3eed155caf0a9a6db1e140c01bd8f0300ac475ce (patch) | |
| tree | a1eb16060e7b1931ccd9ddd2d2cc5279a27b658c /include/hw | |
| parent | 5e3b981c330c58c4e97ab85e40c3bd2ee54b2fa7 (diff) | |
| download | qemu-3eed155caf0a9a6db1e140c01bd8f0300ac475ce.zip qemu-3eed155caf0a9a6db1e140c01bd8f0300ac475ce.tar.gz qemu-3eed155caf0a9a6db1e140c01bd8f0300ac475ce.tar.bz2 | |
vfio: Query and store the maximum number of possible DMA mappings
Let's query the maximum number of possible DMA mappings by querying the
available mappings when creating the container (before any mappings are
created). We'll use this informaton soon to perform some sanity checks
and warn the user.
Reviewed-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Alex Williamson <alex.williamson@redhat.com>
Cc: Dr. David Alan Gilbert <dgilbert@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Auger Eric <eric.auger@redhat.com>
Cc: Wei Yang <richard.weiyang@linux.alibaba.com>
Cc: teawater <teawaterz@linux.alibaba.com>
Cc: Marek Kedzierski <mkedzier@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210413095531.25603-8-david@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/vfio/vfio-common.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/hw/vfio/vfio-common.h b/include/hw/vfio/vfio-common.h index 6814322..8af11b0 100644 --- a/include/hw/vfio/vfio-common.h +++ b/include/hw/vfio/vfio-common.h @@ -88,6 +88,7 @@ typedef struct VFIOContainer { uint64_t dirty_pgsizes; uint64_t max_dirty_bitmap_size; unsigned long pgsizes; + unsigned int dma_max_mappings; QLIST_HEAD(, VFIOGuestIOMMU) giommu_list; QLIST_HEAD(, VFIOHostDMAWindow) hostwin_list; QLIST_HEAD(, VFIOGroup) group_list; |