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/*
* Greybus connections
*
* Copyright 2014 Google Inc.
*
* Released under the GPLv2 only.
*/
#ifndef __CONNECTION_H
#define __CONNECTION_H
#include <linux/list.h>
#include "greybus.h"
enum gb_connection_state {
GB_CONNECTION_STATE_INVALID = 0,
GB_CONNECTION_STATE_DISABLED = 1,
GB_CONNECTION_STATE_ENABLED = 2,
GB_CONNECTION_STATE_ERROR = 3,
GB_CONNECTION_STATE_DESTROYING = 4,
};
struct gb_connection {
struct greybus_host_device *hd;
struct gb_interface *interface;
struct device dev;
u16 hd_cport_id;
u16 interface_cport_id;
struct list_head hd_links;
struct list_head interface_links;
struct gb_protocol *protocol;
enum gb_connection_state state;
u16 op_cycle;
struct list_head operations;
struct list_head pending; /* awaiting reponse */
void *private;
};
#define to_gb_connection(d) container_of(d, struct gb_connection, dev)
struct gb_connection *gb_connection_create(struct gb_interface *interface,
u16 cport_id, u8 protocol_id);
void gb_connection_destroy(struct gb_connection *connection);
int gb_connection_init(struct gb_connection *connection);
void gb_connection_exit(struct gb_connection *connection);
struct gb_connection *gb_hd_connection_find(struct greybus_host_device *hd,
u16 cport_id);
void greybus_data_rcvd(struct greybus_host_device *hd, u16 cport_id,
u8 *data, size_t length);
__printf(2, 3)
void gb_connection_err(struct gb_connection *connection, const char *fmt, ...);
#endif /* __CONNECTION_H */
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