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kernel/linux-imx6_3.14.28/include/net/caif/cfsrvl.h 1.77 KB
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  /*
   * Copyright (C) ST-Ericsson AB 2010
   * Author:	Sjur Brendeland
   * License terms: GNU General Public License (GPL) version 2
   */
  
  #ifndef CFSRVL_H_
  #define CFSRVL_H_
  #include <linux/list.h>
  #include <linux/stddef.h>
  #include <linux/types.h>
  #include <linux/kref.h>
  #include <linux/rculist.h>
  
  struct cfsrvl {
  	struct cflayer layer;
  	bool open;
  	bool phy_flow_on;
  	bool modem_flow_on;
  	bool supports_flowctrl;
  	void (*release)(struct cflayer *layer);
  	struct dev_info dev_info;
  	void (*hold)(struct cflayer *lyr);
  	void (*put)(struct cflayer *lyr);
  	struct rcu_head rcu;
  };
  
  struct cflayer *cfvei_create(u8 linkid, struct dev_info *dev_info);
  struct cflayer *cfdgml_create(u8 linkid, struct dev_info *dev_info);
  struct cflayer *cfutill_create(u8 linkid, struct dev_info *dev_info);
  struct cflayer *cfvidl_create(u8 linkid, struct dev_info *dev_info);
  struct cflayer *cfrfml_create(u8 linkid, struct dev_info *dev_info,
  				int mtu_size);
  struct cflayer *cfdbgl_create(u8 linkid, struct dev_info *dev_info);
  
  void cfsrvl_ctrlcmd(struct cflayer *layr, enum caif_ctrlcmd ctrl,
  		     int phyid);
  
  bool cfsrvl_phyid_match(struct cflayer *layer, int phyid);
  
  void cfsrvl_init(struct cfsrvl *service,
  			u8 channel_id,
  			struct dev_info *dev_info,
  			bool supports_flowctrl);
  bool cfsrvl_ready(struct cfsrvl *service, int *err);
  u8 cfsrvl_getphyid(struct cflayer *layer);
  
  static inline void cfsrvl_get(struct cflayer *layr)
  {
  	struct cfsrvl *s = container_of(layr, struct cfsrvl, layer);
  	if (layr == NULL || layr->up == NULL || s->hold == NULL)
  		return;
  
  	s->hold(layr->up);
  }
  
  static inline void cfsrvl_put(struct cflayer *layr)
  {
  	struct cfsrvl *s = container_of(layr, struct cfsrvl, layer);
  	if (layr == NULL || layr->up == NULL || s->hold == NULL)
  		return;
  
  	s->put(layr->up);
  }
  #endif				/* CFSRVL_H_ */