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rpmsg: Hide rpmsg indirection tables 

Move the device and endpoint indirection tables to the rpmsg internal
header file, to hide them from the public API.

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Bjorn Andersson 2016-09-01 15:28:05 -07:00
parent 5e619b4867
commit fade037e0f
3 changed files with 50 additions and 47 deletions
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3
drivers/rpmsg/rpmsg_core.c
View File

@ -20,7 +20,10 @@
#define pr_fmt(fmt) "%s: " fmt, __func__
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/rpmsg.h>
#include <linux/of_device.h>
#include <linux/slab.h>
#include "rpmsg_internal.h"

47
drivers/rpmsg/rpmsg_internal.h
View File

@ -25,6 +25,53 @@
#define to_rpmsg_device(d) container_of(d, struct rpmsg_device, dev)
#define to_rpmsg_driver(d) container_of(d, struct rpmsg_driver, drv)
/**
* struct rpmsg_device_ops - indirection table for the rpmsg_device operations
* @create_ept: create backend-specific endpoint, requried
* @announce_create: announce presence of new channel, optional
* @announce_destroy: announce destruction of channel, optional
*
* Indirection table for the operations that a rpmsg backend should implement.
* @announce_create and @announce_destroy are optional as the backend might
* advertise new channels implicitly by creating the endpoints.
*/
struct rpmsg_device_ops {
struct rpmsg_endpoint *(*create_ept)(struct rpmsg_device *rpdev,
rpmsg_rx_cb_t cb, void *priv,
struct rpmsg_channel_info chinfo);
int (*announce_create)(struct rpmsg_device *ept);
int (*announce_destroy)(struct rpmsg_device *ept);
};
/**
* struct rpmsg_endpoint_ops - indirection table for rpmsg_endpoint operations
* @destroy_ept: destroy the given endpoint, required
* @send: see @rpmsg_send(), required
* @sendto: see @rpmsg_sendto(), optional
* @send_offchannel: see @rpmsg_send_offchannel(), optional
* @trysend: see @rpmsg_trysend(), required
* @trysendto: see @rpmsg_trysendto(), optional
* @trysend_offchannel: see @rpmsg_trysend_offchannel(), optional
*
* Indirection table for the operations that a rpmsg backend should implement.
* In addition to @destroy_ept, the backend must at least implement @send and
* @trysend, while the variants sending data off-channel are optional.
*/
struct rpmsg_endpoint_ops {
void (*destroy_ept)(struct rpmsg_endpoint *ept);
int (*send)(struct rpmsg_endpoint *ept, void *data, int len);
int (*sendto)(struct rpmsg_endpoint *ept, void *data, int len, u32 dst);
int (*send_offchannel)(struct rpmsg_endpoint *ept, u32 src, u32 dst,
void *data, int len);
int (*trysend)(struct rpmsg_endpoint *ept, void *data, int len);
int (*trysendto)(struct rpmsg_endpoint *ept, void *data, int len, u32 dst);
int (*trysend_offchannel)(struct rpmsg_endpoint *ept, u32 src, u32 dst,
void *data, int len);
};
int rpmsg_register_device(struct rpmsg_device *rpdev);
int rpmsg_unregister_device(struct device *parent,
struct rpmsg_channel_info *chinfo);

47
include/linux/rpmsg.h
View File

@ -137,25 +137,6 @@ struct rpmsg_device {
typedef void (*rpmsg_rx_cb_t)(struct rpmsg_device *, void *, int, void *, u32);
/**
* struct rpmsg_device_ops - indirection table for the rpmsg_device operations
* @create_ept: create backend-specific endpoint, requried
* @announce_create: announce presence of new channel, optional
* @announce_destroy: announce destruction of channel, optional
*
* Indirection table for the operations that a rpmsg backend should implement.
* @announce_create and @announce_destroy are optional as the backend might
* advertise new channels implicitly by creating the endpoints.
*/
struct rpmsg_device_ops {
struct rpmsg_endpoint *(*create_ept)(struct rpmsg_device *rpdev,
rpmsg_rx_cb_t cb, void *priv,
struct rpmsg_channel_info chinfo);
int (*announce_create)(struct rpmsg_device *ept);
int (*announce_destroy)(struct rpmsg_device *ept);
};
/**
* struct rpmsg_endpoint - binds a local rpmsg address to its user
* @rpdev: rpmsg channel device
@ -190,34 +171,6 @@ struct rpmsg_endpoint {
const struct rpmsg_endpoint_ops *ops;
};
/**
* struct rpmsg_endpoint_ops - indirection table for rpmsg_endpoint operations
* @destroy_ept: destroy the given endpoint, required
* @send: see @rpmsg_send(), required
* @sendto: see @rpmsg_sendto(), optional
* @send_offchannel: see @rpmsg_send_offchannel(), optional
* @trysend: see @rpmsg_trysend(), required
* @trysendto: see @rpmsg_trysendto(), optional
* @trysend_offchannel: see @rpmsg_trysend_offchannel(), optional
*
* Indirection table for the operations that a rpmsg backend should implement.
* In addition to @destroy_ept, the backend must at least implement @send and
* @trysend, while the variants sending data off-channel are optional.
*/
struct rpmsg_endpoint_ops {
void (*destroy_ept)(struct rpmsg_endpoint *ept);
int (*send)(struct rpmsg_endpoint *ept, void *data, int len);
int (*sendto)(struct rpmsg_endpoint *ept, void *data, int len, u32 dst);
int (*send_offchannel)(struct rpmsg_endpoint *ept, u32 src, u32 dst,
void *data, int len);
int (*trysend)(struct rpmsg_endpoint *ept, void *data, int len);
int (*trysendto)(struct rpmsg_endpoint *ept, void *data, int len, u32 dst);
int (*trysend_offchannel)(struct rpmsg_endpoint *ept, u32 src, u32 dst,
void *data, int len);
};
/**
* struct rpmsg_driver - rpmsg driver struct
* @drv: underlying device driver