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authorEric Auger <eric.auger@redhat.com>2025-02-18 19:25:35 +0100
committerMichael S. Tsirkin <mst@redhat.com>2025-02-21 07:21:25 -0500
commitdd6d545e8f2d9a0e8a8c287ec16469f03ef5c198 (patch)
tree6b900a3c2b59ee2ae33a999ec92d78d2b1f49f1e /hw/net/virtio-net.c
parentd410e709526d1cd4aa9085c6e254a622594a02a5 (diff)
downloadfocaccia-qemu-dd6d545e8f2d9a0e8a8c287ec16469f03ef5c198.tar.gz
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docs/devel/reset: Document reset expectations for DMA and IOMMU
To avoid any translation faults, the IOMMUs are expected to be
reset after the devices they protect. Document that we expect
DMA requests to be stopped during the 'enter' or 'hold' phase
while IOMMUs should be reset during the 'exit' phase.

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com>
Message-Id: <20250218182737.76722-6-eric.auger@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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