1 /* 2 * Copyright (c) 2016-2017, Linaro Ltd 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 and 6 * only version 2 as published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 */ 13 14 #ifndef __QCOM_GLINK_NATIVE_H__ 15 #define __QCOM_GLINK_NATIVE_H__ 16 17 #define GLINK_FEATURE_INTENT_REUSE BIT(0) 18 #define GLINK_FEATURE_MIGRATION BIT(1) 19 #define GLINK_FEATURE_TRACER_PKT BIT(2) 20 21 struct qcom_glink_pipe { 22 size_t length; 23 24 size_t (*avail)(struct qcom_glink_pipe *glink_pipe); 25 26 void (*peak)(struct qcom_glink_pipe *glink_pipe, void *data, 27 unsigned int offset, size_t count); 28 void (*advance)(struct qcom_glink_pipe *glink_pipe, size_t count); 29 30 void (*write)(struct qcom_glink_pipe *glink_pipe, 31 const void *hdr, size_t hlen, 32 const void *data, size_t dlen); 33 }; 34 35 struct qcom_glink; 36 37 struct qcom_glink *qcom_glink_native_probe(struct device *dev, 38 unsigned long features, 39 struct qcom_glink_pipe *rx, 40 struct qcom_glink_pipe *tx, 41 bool intentless); 42 void qcom_glink_native_remove(struct qcom_glink *glink); 43 44 void qcom_glink_native_unregister(struct qcom_glink *glink); 45 #endif 46