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rpmsg: core: Add channel creation internal API

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Add the channel creation API as a first step to be able to define the
name service announcement as a rpmsg driver independent from the RPMsg
virtio bus.

Tested-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@st.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Link: https://lore.kernel.org/r/20201120214245.172963-6-mathieu.poirier@linaro.org
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Arnaud Pouliquen
2020-11-20 14:42:42 -07:00
committed by Bjorn Andersson
parent 77d372989d
commit 9753e12cd3
2 changed files with 54 additions and 0 deletions
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10
drivers/rpmsg/rpmsg_internal.h
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@@ -20,6 +20,8 @@
/**
* struct rpmsg_device_ops - indirection table for the rpmsg_device operations
* @create_channel: create backend-specific channel, optional
* @release_channel: release backend-specific channel, optional
* @create_ept: create backend-specific endpoint, required
* @announce_create: announce presence of new channel, optional
* @announce_destroy: announce destruction of channel, optional
@@ -29,6 +31,10 @@
* advertise new channels implicitly by creating the endpoints.
*/
struct rpmsg_device_ops {
struct rpmsg_device *(*create_channel)(struct rpmsg_device *rpdev,
struct rpmsg_channel_info *chinfo);
int (*release_channel)(struct rpmsg_device *rpdev,
struct rpmsg_channel_info *chinfo);
struct rpmsg_endpoint *(*create_ept)(struct rpmsg_device *rpdev,
rpmsg_rx_cb_t cb, void *priv,
struct rpmsg_channel_info chinfo);
@@ -75,6 +81,10 @@ int rpmsg_unregister_device(struct device *parent,
struct device *rpmsg_find_device(struct device *parent,
struct rpmsg_channel_info *chinfo);
struct rpmsg_device *rpmsg_create_channel(struct rpmsg_device *rpdev,
struct rpmsg_channel_info *chinfo);
int rpmsg_release_channel(struct rpmsg_device *rpdev,
struct rpmsg_channel_info *chinfo);
/**
* rpmsg_chrdev_register_device() - register chrdev device based on rpdev
* @rpdev: prepared rpdev to be used for creating endpoints