1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2016-2017, Linaro Ltd
4  */
5 
6 #ifndef __QCOM_GLINK_NATIVE_H__
7 #define __QCOM_GLINK_NATIVE_H__
8 
9 #include <linux/types.h>
10 
11 #define GLINK_FEATURE_INTENT_REUSE	BIT(0)
12 #define GLINK_FEATURE_MIGRATION		BIT(1)
13 #define GLINK_FEATURE_TRACER_PKT	BIT(2)
14 
15 struct qcom_glink_pipe {
16 	size_t length;
17 
18 	size_t (*avail)(struct qcom_glink_pipe *glink_pipe);
19 
20 	void (*peek)(struct qcom_glink_pipe *glink_pipe, void *data,
21 		     unsigned int offset, size_t count);
22 	void (*advance)(struct qcom_glink_pipe *glink_pipe, size_t count);
23 
24 	void (*write)(struct qcom_glink_pipe *glink_pipe,
25 		      const void *hdr, size_t hlen,
26 		      const void *data, size_t dlen);
27 	void (*kick)(struct qcom_glink_pipe *glink_pipe);
28 };
29 
30 struct device;
31 struct qcom_glink;
32 
33 struct qcom_glink *qcom_glink_native_probe(struct device *dev,
34 					   unsigned long features,
35 					   struct qcom_glink_pipe *rx,
36 					   struct qcom_glink_pipe *tx,
37 					   bool intentless);
38 void qcom_glink_native_remove(struct qcom_glink *glink);
39 void qcom_glink_native_rx(struct qcom_glink *glink);
40 
41 #endif
42