Hi Michael,

On Thu, Jul 30, 2020 at 12:08:29PM -0400, Michael S. Tsirkin wrote:

On Wed, Jul 22, 2020 at 05:09:23PM +0200, Guennadi Liakhovetski wrote:

quoted

Hi,

Now that virtio-rpmsg endianness fixes have been merged we can 
proceed with the next step.

Which tree is this for?

The essential part of this series is for drivers/vhost, so, I presume 
that should be the target tree as well. There is however a small part 
for the drivers/rpmsg, should I split this series in two or shall we 
first review is as a whole to make its goals clearer?

Thanks
Guennadi

quoted

v4:
- add endianness conversions to comply with the VirtIO standard

v3:
- address several checkpatch warnings
- address comments from Mathieu Poirier

v2:
- update patch #5 with a correct vhost_dev_init() prototype
- drop patch #6 - it depends on a different patch, that is currently
  an RFC
- address comments from Pierre-Louis Bossart:
  * remove "default n" from Kconfig

Linux supports RPMsg over VirtIO for "remote processor" / AMP use
cases. It can however also be used for virtualisation scenarios,
e.g. when using KVM to run Linux on both the host and the guests.
This patch set adds a wrapper API to facilitate writing vhost
drivers for such RPMsg-based solutions. The first use case is an
audio DSP virtualisation project, currently under development, ready
for review and submission, available at
https://github.com/thesofproject/linux/pull/1501/commits

Thanks
Guennadi

Guennadi Liakhovetski (4):
  vhost: convert VHOST_VSOCK_SET_RUNNING to a generic ioctl
  rpmsg: move common structures and defines to headers
  rpmsg: update documentation
  vhost: add an RPMsg API

 Documentation/rpmsg.txt          |   6 +-
 drivers/rpmsg/virtio_rpmsg_bus.c |  78 +------
 drivers/vhost/Kconfig            |   7 +
 drivers/vhost/Makefile           |   3 +
 drivers/vhost/rpmsg.c            | 375 +++++++++++++++++++++++++++++++
 drivers/vhost/vhost_rpmsg.h      |  74 ++++++
 include/linux/virtio_rpmsg.h     |  83 +++++++
 include/uapi/linux/rpmsg.h       |   3 +
 include/uapi/linux/vhost.h       |   4 +-
 9 files changed, 553 insertions(+), 80 deletions(-)
 create mode 100644 drivers/vhost/rpmsg.c
 create mode 100644 drivers/vhost/vhost_rpmsg.h
 create mode 100644 include/linux/virtio_rpmsg.h

-- 
2.27.0

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