/*
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* Copyright (C) 2013, 2016-2017 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained from Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <linux/fs.h> /* file system operations */
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#include <linux/uaccess.h> /* user space access */
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#include "mali_ukk.h"
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#include "mali_osk.h"
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#include "mali_kernel_common.h"
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#include "mali_session.h"
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#include "mali_ukk_wrappers.h"
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#include "mali_timeline.h"
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#include "mali_timeline_fence_wait.h"
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#include "mali_timeline_sync_fence.h"
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int timeline_get_latest_point_wrapper(struct mali_session_data *session, _mali_uk_timeline_get_latest_point_s __user *uargs)
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{
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u32 val;
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mali_timeline_id timeline;
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mali_timeline_point point;
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MALI_DEBUG_ASSERT_POINTER(session);
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if (0 != get_user(val, &uargs->timeline)) return -EFAULT;
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if (MALI_UK_TIMELINE_MAX <= val) {
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return -EINVAL;
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}
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timeline = (mali_timeline_id)val;
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point = mali_timeline_system_get_latest_point(session->timeline_system, timeline);
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if (0 != put_user(point, &uargs->point)) return -EFAULT;
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return 0;
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}
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int timeline_wait_wrapper(struct mali_session_data *session, _mali_uk_timeline_wait_s __user *uargs)
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{
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u32 timeout, status;
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mali_bool ret;
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_mali_uk_fence_t uk_fence;
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struct mali_timeline_fence fence;
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MALI_DEBUG_ASSERT_POINTER(session);
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if (0 != copy_from_user(&uk_fence, &uargs->fence, sizeof(_mali_uk_fence_t))) return -EFAULT;
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if (0 != get_user(timeout, &uargs->timeout)) return -EFAULT;
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mali_timeline_fence_copy_uk_fence(&fence, &uk_fence);
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ret = mali_timeline_fence_wait(session->timeline_system, &fence, timeout);
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status = (MALI_TRUE == ret ? 1 : 0);
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if (0 != put_user(status, &uargs->status)) return -EFAULT;
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return 0;
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}
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int timeline_create_sync_fence_wrapper(struct mali_session_data *session, _mali_uk_timeline_create_sync_fence_s __user *uargs)
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{
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s32 sync_fd = -1;
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_mali_uk_fence_t uk_fence;
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struct mali_timeline_fence fence;
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MALI_DEBUG_ASSERT_POINTER(session);
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if (0 != copy_from_user(&uk_fence, &uargs->fence, sizeof(_mali_uk_fence_t))) return -EFAULT;
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mali_timeline_fence_copy_uk_fence(&fence, &uk_fence);
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#if defined(CONFIG_SYNC) || defined(CONFIG_SYNC_FILE)
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sync_fd = mali_timeline_sync_fence_create(session->timeline_system, &fence);
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#else
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sync_fd = -1;
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#endif /* defined(CONFIG_SYNC) || defined(CONFIG_SYNC_FILE) */
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if (0 != put_user(sync_fd, &uargs->sync_fd)) return -EFAULT;
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return 0;
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}
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