[linux-2.6-block.git] / drivers / rpmsg / qcom_glink_native.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Copyright (c) 2016-2017, Linaro Ltd
 */

#ifndef __QCOM_GLINK_NATIVE_H__
#define __QCOM_GLINK_NATIVE_H__

#include <linux/types.h>

#define GLINK_FEATURE_INTENT_REUSE	BIT(0)
#define GLINK_FEATURE_MIGRATION		BIT(1)
#define GLINK_FEATURE_TRACER_PKT	BIT(2)

struct qcom_glink_pipe {
	size_t length;

	size_t (*avail)(struct qcom_glink_pipe *glink_pipe);

	void (*peek)(struct qcom_glink_pipe *glink_pipe, void *data,
		     unsigned int offset, size_t count);
	void (*advance)(struct qcom_glink_pipe *glink_pipe, size_t count);

	void (*write)(struct qcom_glink_pipe *glink_pipe,
		      const void *hdr, size_t hlen,
		      const void *data, size_t dlen);
	void (*kick)(struct qcom_glink_pipe *glink_pipe);
};

struct device;
struct qcom_glink;

struct qcom_glink *qcom_glink_native_probe(struct device *dev,
					   unsigned long features,
					   struct qcom_glink_pipe *rx,
					   struct qcom_glink_pipe *tx,
					   bool intentless);
void qcom_glink_native_remove(struct qcom_glink *glink);
void qcom_glink_native_rx(struct qcom_glink *glink);

#endif
Commit	Line	Data
84369fbe	1	/* SPDX-License-Identifier: GPL-2.0 */
835764dd BA	2	/*
835764dd BA	3	* Copyright (c) 2016-2017, Linaro Ltd
835764dd BA	4	*/
	5
	6	#ifndef __QCOM_GLINK_NATIVE_H__
	7	#define __QCOM_GLINK_NATIVE_H__
	8
f014eda5 BA	9	#include <linux/types.h>
f014eda5 BA	10
d31ad615 S	11	#define GLINK_FEATURE_INTENT_REUSE BIT(0)
	12	#define GLINK_FEATURE_MIGRATION BIT(1)
	13	#define GLINK_FEATURE_TRACER_PKT BIT(2)
	14
835764dd BA	15	struct qcom_glink_pipe {
	16	size_t length;
	17
	18	size_t (avail)(struct qcom_glink_pipe glink_pipe);
	19
a8f500c6	20	void (peek)(struct qcom_glink_pipe glink_pipe, void *data,
b88eee97	21	unsigned int offset, size_t count);
835764dd BA	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);
f424d1cb	27	void (kick)(struct qcom_glink_pipe glink_pipe);
835764dd BA	28	};
835764dd BA	29
f014eda5	30	struct device;
835764dd BA	31	struct qcom_glink;
	32
	33	struct qcom_glink qcom_glink_native_probe(struct device dev,
d31ad615	34	unsigned long features,
835764dd	35	struct qcom_glink_pipe *rx,
933b45da S	36	struct qcom_glink_pipe *tx,
933b45da S	37	bool intentless);
835764dd	38	void qcom_glink_native_remove(struct qcom_glink *glink);
f424d1cb	39	void qcom_glink_native_rx(struct qcom_glink *glink);
835764dd BA	40
835764dd BA	41	#endif