[U-Boot] [PATCH v3 05/31] virtio: Add codes for virtual queue/ring management

[sjg at google.com]

From: Tuomas Tynkkynen <tuomas.tynkkynen at iki.fi>

This adds support for managing virtual queue/ring, the channel
for high performance I/O between host and guest.

Signed-off-by: Tuomas Tynkkynen <tuomas.tynkkynen at iki.fi>
Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
Reviewed-by: Simon Glass <sjg at chromium.org>
---

Changes in v3: None
Changes in v2: None

 drivers/virtio/Makefile      |   2 +-
 drivers/virtio/virtio_ring.c | 358 +++++++++++++++++++++++++++++++++++++++++++
 include/virtio_ring.h        | 320 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 679 insertions(+), 1 deletion(-)
 create mode 100644 drivers/virtio/virtio_ring.c
 create mode 100644 include/virtio_ring.h

Applied to u-boot-dm/next, thanks!