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 15 struct 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 28 struct cflayer *cfvei_create(u8 linkid, struct dev_info *dev_info); 29 struct cflayer *cfdgml_create(u8 linkid, struct dev_info *dev_info); 30 struct cflayer *cfutill_create(u8 linkid, struct dev_info *dev_info); 31 struct cflayer *cfvidl_create(u8 linkid, struct dev_info *dev_info); 32 struct cflayer *cfrfml_create(u8 linkid, struct dev_info *dev_info, 33 int mtu_size); 34 struct cflayer *cfdbgl_create(u8 linkid, struct dev_info *dev_info); 35 36 bool cfsrvl_phyid_match(struct cflayer *layer, int phyid); 37 38 void cfsrvl_init(struct cfsrvl *service, 39 u8 channel_id, 40 struct dev_info *dev_info, 41 bool supports_flowctrl); 42 bool cfsrvl_ready(struct cfsrvl *service, int *err); 43 u8 cfsrvl_getphyid(struct cflayer *layer); 44 cfsrvl_get(struct cflayer * layr)45 static 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 cfsrvl_put(struct cflayer * layr)54 static 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