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// SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
/*
*
* (C) COPYRIGHT 2020-2023 ARM Limited. All rights reserved.
*
* This program is free software and is provided to you under the terms of the
* GNU General Public License version 2 as published by the Free Software
* Foundation, and any use by you of this program is subject to the terms
* of such GNU license.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you can access it online at
* http://www.gnu.org/licenses/gpl-2.0.html.
*
*/
#include <linux/atomic.h>
#include <linux/list.h>
#include <mali_kbase_fence.h>
#include <mali_kbase.h>
static const char *kbase_fence_get_driver_name(struct dma_fence *fence)
{
CSTD_UNUSED(fence);
return KBASE_DRV_NAME;
}
#if MALI_USE_CSF
static const char *kbase_fence_get_timeline_name(struct dma_fence *fence)
{
struct kbase_kcpu_dma_fence *kcpu_fence = (struct kbase_kcpu_dma_fence *)fence;
return kcpu_fence->metadata->timeline_name;
}
#else
static const char *kbase_fence_get_timeline_name(struct dma_fence *fence)
{
CSTD_UNUSED(fence);
return KBASE_TIMELINE_NAME;
}
#endif /* MALI_USE_CSF */
static bool kbase_fence_enable_signaling(struct dma_fence *fence)
{
CSTD_UNUSED(fence);
return true;
}
static void kbase_fence_fence_value_str(struct dma_fence *fence, char *str, int size)
{
char *format;
if (KERNEL_VERSION(5, 1, 0) > LINUX_VERSION_CODE)
format = "%u";
else
format = "%llu";
if (unlikely(!scnprintf(str, (size_t)size, format, fence->seqno)))
pr_err("Fail to encode fence seqno to string");
}
#if MALI_USE_CSF
static void kbase_fence_release(struct dma_fence *fence)
{
struct kbase_kcpu_dma_fence *kcpu_fence = (struct kbase_kcpu_dma_fence *)fence;
kbase_kcpu_dma_fence_meta_put(kcpu_fence->metadata);
kfree(kcpu_fence);
}
extern const struct dma_fence_ops kbase_fence_ops; /* silence checker warning */
const struct dma_fence_ops kbase_fence_ops = { .wait = dma_fence_default_wait,
.get_driver_name = kbase_fence_get_driver_name,
.get_timeline_name = kbase_fence_get_timeline_name,
.enable_signaling = kbase_fence_enable_signaling,
.fence_value_str = kbase_fence_fence_value_str,
.release = kbase_fence_release };
#else
extern const struct dma_fence_ops kbase_fence_ops; /* silence checker warning */
const struct dma_fence_ops kbase_fence_ops = { .wait = dma_fence_default_wait,
.get_driver_name = kbase_fence_get_driver_name,
.get_timeline_name = kbase_fence_get_timeline_name,
.enable_signaling = kbase_fence_enable_signaling,
.fence_value_str = kbase_fence_fence_value_str };
#endif /* MALI_USE_CSF */
KBASE_EXPORT_TEST_API(kbase_fence_ops);
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