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
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
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
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