[PATCH v3 0/8] rpmsg: Make RPMSG name service modular

[Mathieu Poirier]

This set starts by making the RPMSG protocol transport agnostic by
moving the headers it uses to generic types and using those in the
current implementation.  From there it re-uses the work that Arnaud
published[1] to make the name service modular.

The main difference with this revision is the usage of a variable
(rpmsg_device::little_endian) rather than an operation to determine
the byte representation of the transport layer.  It is also
addressing a problem that would have prevented git bisect to work
properly in rpmsg_ns_cb() where the rpdev was used.

In short patches 1 to 3 and patch 7 have to be reviewed again.  They
changed enough that I did not add RB tags to them.  Patches 4 to 6
have not changed from the previous revision.

Tested on stm32mp157 with the RPMSG client sample application.  Applies
cleanly on v5.9.

Thanks,
Mathieu

[1]. https://patchwork.kernel.org/project/linux-remoteproc/list/?series=338335

-------
New for V3:
- Using rpmsg_device::little_endian variable rather than an operation
- Fix an implementation problem that would have prevented git bisect to work


Arnaud Pouliquen (4):
  rpmsg: virtio: Rename rpmsg_create_channel
  rpmsg: core: Add channel creation internal API
  rpmsg: virtio: Add rpmsg channel device ops
  rpmsg: Turn name service into a stand alone driver

Mathieu Poirier (4):
  rpmsg: Introduce __rpmsg{16|32|64} types
  rpmsg: virtio: Move from virtio to rpmsg byte conversion
  rpmsg: Move structure rpmsg_ns_msg to header file
  rpmsg: Make rpmsg_{register|unregister}_device() public

 drivers/rpmsg/Kconfig            |   8 ++
 drivers/rpmsg/Makefile           |   1 +
 drivers/rpmsg/rpmsg_core.c       |  44 ++++++++
 drivers/rpmsg/rpmsg_internal.h   |  14 ++-
 drivers/rpmsg/rpmsg_ns.c         | 108 ++++++++++++++++++
 drivers/rpmsg/virtio_rpmsg_bus.c | 185 +++++++++++--------------------
 include/linux/rpmsg.h            |  63 ++++++++++-
 include/linux/rpmsg_byteorder.h  |  67 +++++++++++
 include/linux/rpmsg_ns.h         |  59 ++++++++++
 include/uapi/linux/rpmsg_types.h |  11 ++
 10 files changed, 433 insertions(+), 127 deletions(-)
 create mode 100644 drivers/rpmsg/rpmsg_ns.c
 create mode 100644 include/linux/rpmsg_byteorder.h
 create mode 100644 include/linux/rpmsg_ns.h
 create mode 100644 include/uapi/linux/rpmsg_types.h

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2.25.1