These patches will use bounce buffers when VIRTIO_F_IOMMU_PLATFORM feature
is in a virtio device.
This feature can be tested with qemu with -device virtio-iommu-pci.
So that when a -device virtio-blk-pci with iommu_platform=true, it will
uses the bounce buffer instead.
Will Deacon (6):
virtio: Expose VIRTIO_F_IOMMU_PLATFORM in device features
virtio: pci: Tear down VQs in virtio_pci_reset()
virtio: Allocate virtqueue in page-size units
virtio: Add helper functions to attach/detach vring descriptors
virtio: Allocate bounce buffers for devices with
VIRTIO_F_IOMMU_PLATFORM
virtio: Use bounce buffers when VIRTIO_F_IOMMU_PLATFORM is set
drivers/virtio/virtio-uclass.c | 2 +-
drivers/virtio/virtio_pci_modern.c | 38 +++++------
drivers/virtio/virtio_ring.c | 101 ++++++++++++++++++++++++++---
include/virtio_ring.h | 21 +++---
4 files changed, 125 insertions(+), 37 deletions(-)
--
2.39.2
