drivers/rpmsg/qcom_glink_native.h

   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