1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * Copyright (C) ST-Ericsson AB 2010 4 * Author: Sjur Brendeland 5 */ 6 7#ifndef CFSRVL_H_ 8#define CFSRVL_H_ 9#include <linux/list.h> 10#include <linux/stddef.h> 11#include <linux/types.h> 12#include <linux/kref.h> 13#include <linux/rculist.h> 14 15struct cfsrvl { 16 struct cflayer layer; 17 bool open; 18 bool phy_flow_on; 19 bool modem_flow_on; 20 bool supports_flowctrl; 21 void (*release)(struct cflayer *layer); 22 struct dev_info dev_info; 23 void (*hold)(struct cflayer *lyr); 24 void (*put)(struct cflayer *lyr); 25 struct rcu_head rcu; 26}; 27 28struct cflayer *cfvei_create(u8 linkid, struct dev_info *dev_info); 29struct cflayer *cfdgml_create(u8 linkid, struct dev_info *dev_info); 30struct cflayer *cfutill_create(u8 linkid, struct dev_info *dev_info); 31struct cflayer *cfvidl_create(u8 linkid, struct dev_info *dev_info); 32struct cflayer *cfrfml_create(u8 linkid, struct dev_info *dev_info, 33 int mtu_size); 34struct cflayer *cfdbgl_create(u8 linkid, struct dev_info *dev_info); 35 36bool cfsrvl_phyid_match(struct cflayer *layer, int phyid); 37 38void cfsrvl_init(struct cfsrvl *service, 39 u8 channel_id, 40 struct dev_info *dev_info, 41 bool supports_flowctrl); 42bool cfsrvl_ready(struct cfsrvl *service, int *err); 43u8 cfsrvl_getphyid(struct cflayer *layer); 44 45static inline void cfsrvl_get(struct cflayer *layr) 46{ 47 struct cfsrvl *s = container_of(layr, struct cfsrvl, layer); 48 if (layr == NULL || layr->up == NULL || s->hold == NULL) 49 return; 50 51 s->hold(layr->up); 52} 53 54static inline void cfsrvl_put(struct cflayer *layr) 55{ 56 struct cfsrvl *s = container_of(layr, struct cfsrvl, layer); 57 if (layr == NULL || layr->up == NULL || s->hold == NULL) 58 return; 59 60 s->put(layr->up); 61} 62#endif /* CFSRVL_H_ */ 63