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https://github.com/rd-stuffs/msm-4.14.git
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1b4302372f
Some remote procs do not initialize the pipe when they are started and assume the data in the pipe descriptors is valid. Add an optional handler to clear the pipe descriptors and call this during removal of the glink device to ensure a clean restart of glink. Change-Id: I62871cc5d6fd052e234843645299fdc87a71185f Signed-off-by: Chris Lew <clew@codeaurora.org>
48 lines
1.5 KiB
C
48 lines
1.5 KiB
C
/*
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* Copyright (c) 2016-2017, Linaro Ltd
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __QCOM_GLINK_NATIVE_H__
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#define __QCOM_GLINK_NATIVE_H__
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#define GLINK_FEATURE_INTENT_REUSE BIT(0)
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#define GLINK_FEATURE_MIGRATION BIT(1)
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#define GLINK_FEATURE_TRACER_PKT BIT(2)
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struct qcom_glink_pipe {
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size_t length;
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size_t (*avail)(struct qcom_glink_pipe *glink_pipe);
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void (*peak)(struct qcom_glink_pipe *glink_pipe, void *data,
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unsigned int offset, size_t count);
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void (*advance)(struct qcom_glink_pipe *glink_pipe, size_t count);
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void (*write)(struct qcom_glink_pipe *glink_pipe,
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const void *hdr, size_t hlen,
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const void *data, size_t dlen);
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void (*reset)(struct qcom_glink_pipe *glink_pipe);
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};
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struct qcom_glink;
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struct qcom_glink *qcom_glink_native_probe(struct device *dev,
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unsigned long features,
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struct qcom_glink_pipe *rx,
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struct qcom_glink_pipe *tx,
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bool intentless);
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void qcom_glink_native_remove(struct qcom_glink *glink);
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void qcom_glink_native_unregister(struct qcom_glink *glink);
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#endif
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