9d1906e61d
Adds a base sync driver that uses the cpu for serialization. Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Erik Gilling <konkers@android.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Rob Clark <robclark@gmail.com> Cc: Sumit Semwal <sumit.semwal@linaro.org> Cc: dri-devel@lists.freedesktop.org Cc: Android Kernel Team <kernel-team@android.com> Signed-off-by: Erik Gilling <konkers@android.com> [jstultz: Add commit message, whitespace fixes and move to staging directory] Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
59 lines
1.3 KiB
C
59 lines
1.3 KiB
C
/*
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* include/linux/sw_sync.h
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*
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* Copyright (C) 2012 Google, Inc.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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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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*/
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#ifndef _LINUX_SW_SYNC_H
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#define _LINUX_SW_SYNC_H
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#include <linux/types.h>
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#ifdef __KERNEL__
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#include "sync.h"
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struct sw_sync_timeline {
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struct sync_timeline obj;
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u32 value;
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};
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struct sw_sync_pt {
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struct sync_pt pt;
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u32 value;
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};
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struct sw_sync_timeline *sw_sync_timeline_create(const char *name);
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void sw_sync_timeline_inc(struct sw_sync_timeline *obj, u32 inc);
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struct sync_pt *sw_sync_pt_create(struct sw_sync_timeline *obj, u32 value);
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#endif /* __KERNEL __ */
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struct sw_sync_create_fence_data {
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__u32 value;
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char name[32];
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__s32 fence; /* fd of new fence */
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};
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#define SW_SYNC_IOC_MAGIC 'W'
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#define SW_SYNC_IOC_CREATE_FENCE _IOWR(SW_SYNC_IOC_MAGIC, 0,\
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struct sw_sync_create_fence_data)
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#define SW_SYNC_IOC_INC _IOW(SW_SYNC_IOC_MAGIC, 1, __u32)
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#endif /* _LINUX_SW_SYNC_H */
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