On Thu, 30 Mar 2023 at 03:27, Ying-Chun Liu (PaulLiu) paul.liu@linaro.org wrote:
From: Will Deacon willdeacon@google.com
In preparation for bouncing virtio data for devices advertising the VIRTIO_F_IOMMU_PLATFORM feature, allocate an array of bounce buffer structures in the vring, one per descriptor.
Signed-off-by: Will Deacon willdeacon@google.com [ Paul: pick from the Android tree. Rebase to the upstream ] Signed-off-by: Ying-Chun Liu (PaulLiu) paul.liu@linaro.org Cc: Bin Meng bmeng.cn@gmail.com Link: https://android.googlesource.com/platform/external/u-boot/+/3e052749e7c50c4c...
drivers/virtio/virtio_ring.c | 25 ++++++++++++++++++++----- include/virtio_ring.h | 5 ++++- 2 files changed, 24 insertions(+), 6 deletions(-)
Reviewed-by: Simon Glass sjg@chromium.org