xref: /OK3568_Linux_fs/kernel/drivers/rpmsg/qcom_glink_native.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Copyright (c) 2016-2017, Linaro Ltd
4*4882a593Smuzhiyun  */
5*4882a593Smuzhiyun 
6*4882a593Smuzhiyun #ifndef __QCOM_GLINK_NATIVE_H__
7*4882a593Smuzhiyun #define __QCOM_GLINK_NATIVE_H__
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #define GLINK_FEATURE_INTENT_REUSE	BIT(0)
10*4882a593Smuzhiyun #define GLINK_FEATURE_MIGRATION		BIT(1)
11*4882a593Smuzhiyun #define GLINK_FEATURE_TRACER_PKT	BIT(2)
12*4882a593Smuzhiyun 
13*4882a593Smuzhiyun struct qcom_glink_pipe {
14*4882a593Smuzhiyun 	size_t length;
15*4882a593Smuzhiyun 
16*4882a593Smuzhiyun 	size_t (*avail)(struct qcom_glink_pipe *glink_pipe);
17*4882a593Smuzhiyun 
18*4882a593Smuzhiyun 	void (*peak)(struct qcom_glink_pipe *glink_pipe, void *data,
19*4882a593Smuzhiyun 		     unsigned int offset, size_t count);
20*4882a593Smuzhiyun 	void (*advance)(struct qcom_glink_pipe *glink_pipe, size_t count);
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	void (*write)(struct qcom_glink_pipe *glink_pipe,
23*4882a593Smuzhiyun 		      const void *hdr, size_t hlen,
24*4882a593Smuzhiyun 		      const void *data, size_t dlen);
25*4882a593Smuzhiyun };
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun struct qcom_glink;
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun struct qcom_glink *qcom_glink_native_probe(struct device *dev,
30*4882a593Smuzhiyun 					   unsigned long features,
31*4882a593Smuzhiyun 					   struct qcom_glink_pipe *rx,
32*4882a593Smuzhiyun 					   struct qcom_glink_pipe *tx,
33*4882a593Smuzhiyun 					   bool intentless);
34*4882a593Smuzhiyun void qcom_glink_native_remove(struct qcom_glink *glink);
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun void qcom_glink_native_unregister(struct qcom_glink *glink);
37*4882a593Smuzhiyun #endif
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