On Tue, Mar 23, 2021 at 01:27:30PM +0100, Arnaud Pouliquen wrote: > This series is the second step in the division of the series [1]: > "Introducing a Generic IOCTL Interface for RPMsg Channel Management". > > The purpose of this patchset is to: > - split the control code related to the control > and the endpoint. > - define the rpmsg-raw channel, associated with the rpmsg char device to > allow it to be instantiated using a name service announcement. > > An important point to keep in mind for this patchset is that the concept of > channel is associated with a default endpoint. To facilitate communication > with the remote side, this default endpoint must have a fixed address. > > Consequently, for this series, I made a design choice to fix the endpoint > on the "rpmsg-raw" channel probe, and not allow to create/destroy an endpoint > on FS open/close. > > This is only applicable for channels probed by the rpmsg bus. The behavior, > using the RPMSG_CREATE_EPT_IOCTL and RPMSG_DESTROY_EPT_IOCTL controls, is > preserved. > > The next steps should be to correct this: > Introduce the IOCTLs RPMSG_CREATE_DEV_IOCTL and RPMSG_DESTROY_DEV_IOCTL > to instantiate the rpmsg devices > > [1]: https://patchwork.kernel.org/project/linux-remoteproc/list/?series=435523 > > Arnaud Pouliquen (7): > rpmsg: char: Export eptdev create an destroy functions > rpmsg: Move the rpmsg control device from rpmsg_char to rpmsg_ctrl > rpmsg: Update rpmsg_chrdev_register_device function > rpmsg: char: Introduce __rpmsg_chrdev_create_eptdev function > rpmsg: char: Introduce a rpmsg driver for the rpmsg char device > rpmsg: char: No dynamic endpoint management for the default one > rpmsg: char: Return error if user try to destroy a default endpoint. > I am done reviewing this set. Thanks, Mathieu > drivers/rpmsg/Kconfig | 9 ++ > drivers/rpmsg/Makefile | 1 + > drivers/rpmsg/qcom_glink_native.c | 2 +- > drivers/rpmsg/qcom_smd.c | 2 +- > drivers/rpmsg/rpmsg_char.c | 221 +++++++++------------------- > drivers/rpmsg/rpmsg_char.h | 50 +++++++ > drivers/rpmsg/rpmsg_ctrl.c | 233 ++++++++++++++++++++++++++++++ > drivers/rpmsg/rpmsg_internal.h | 8 +- > drivers/rpmsg/virtio_rpmsg_bus.c | 2 +- > 9 files changed, 368 insertions(+), 160 deletions(-) > create mode 100644 drivers/rpmsg/rpmsg_char.h > create mode 100644 drivers/rpmsg/rpmsg_ctrl.c > > -- > 2.17.1 >
