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