GNU Linux-libre 5.19-rc6-gnu
[releases.git] / drivers / rpmsg / qcom_glink_native.h
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