add tun,baseparameter

hc

2023-03-21 4b55d97acc464242bcd6a8ae77b8ff37c22dec58

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/*
 * seqno-fence, using a dma-buf to synchronize fencing
 *
 * Copyright (C) 2012 Texas Instruments
 * Copyright (C) 2012-2014 Canonical Ltd
 * Authors:
 *   Rob Clark <robdclark@gmail.com>
 *   Maarten Lankhorst <maarten.lankhorst@canonical.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License 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.
 */
 
#include <linux/slab.h>
#include <linux/export.h>
#include <linux/seqno-fence.h>
 
static const char *seqno_fence_get_driver_name(struct dma_fence *fence)
{
    struct seqno_fence *seqno_fence = to_seqno_fence(fence);
 
    return seqno_fence->ops->get_driver_name(fence);
}
 
static const char *seqno_fence_get_timeline_name(struct dma_fence *fence)
{
    struct seqno_fence *seqno_fence = to_seqno_fence(fence);
 
    return seqno_fence->ops->get_timeline_name(fence);
}
 
static bool seqno_enable_signaling(struct dma_fence *fence)
{
    struct seqno_fence *seqno_fence = to_seqno_fence(fence);
 
    return seqno_fence->ops->enable_signaling(fence);
}
 
static bool seqno_signaled(struct dma_fence *fence)
{
    struct seqno_fence *seqno_fence = to_seqno_fence(fence);
 
    return seqno_fence->ops->signaled && seqno_fence->ops->signaled(fence);
}
 
static void seqno_release(struct dma_fence *fence)
{
    struct seqno_fence *f = to_seqno_fence(fence);
 
    dma_buf_put(f->sync_buf);
    if (f->ops->release)
        f->ops->release(fence);
    else
        dma_fence_free(&f->base);
}
 
static signed long seqno_wait(struct dma_fence *fence, bool intr,
                  signed long timeout)
{
    struct seqno_fence *f = to_seqno_fence(fence);
 
    return f->ops->wait(fence, intr, timeout);
}
 
const struct dma_fence_ops seqno_fence_ops = {
    .get_driver_name = seqno_fence_get_driver_name,
    .get_timeline_name = seqno_fence_get_timeline_name,
    .enable_signaling = seqno_enable_signaling,
    .signaled = seqno_signaled,
    .wait = seqno_wait,
    .release = seqno_release,
};
EXPORT_SYMBOL(seqno_fence_ops);