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 #define GLINK_FEATURE_INTENT_REUSE	BIT(0)
10 #define GLINK_FEATURE_MIGRATION		BIT(1)
11 #define GLINK_FEATURE_TRACER_PKT	BIT(2)
12 
13 struct qcom_glink_pipe {
14 	size_t length;
15 
16 	size_t (*avail)(struct qcom_glink_pipe *glink_pipe);
17 
18 	void (*peak)(struct qcom_glink_pipe *glink_pipe, void *data,
19 		     unsigned int offset, size_t count);
20 	void (*advance)(struct qcom_glink_pipe *glink_pipe, size_t count);
21 
22 	void (*write)(struct qcom_glink_pipe *glink_pipe,
23 		      const void *hdr, size_t hlen,
24 		      const void *data, size_t dlen);
25 };
26 
27 struct qcom_glink;
28 
29 struct qcom_glink *qcom_glink_native_probe(struct device *dev,
30 					   unsigned long features,
31 					   struct qcom_glink_pipe *rx,
32 					   struct qcom_glink_pipe *tx,
33 					   bool intentless);
34 void qcom_glink_native_remove(struct qcom_glink *glink);
35 
36 void qcom_glink_native_unregister(struct qcom_glink *glink);
37 #endif
38