linux/drivers/rpmsg/qcom_glink_native.h

46 lines
1.4 KiB
C

/*
* Copyright (c) 2016-2017, Linaro Ltd
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __QCOM_GLINK_NATIVE_H__
#define __QCOM_GLINK_NATIVE_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 (*peak)(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);
};
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_unregister(struct qcom_glink *glink);
#endif