drivers/rpmsg/qcom_glink_native.h

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