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/************************************************************************** |
* |
* Copyright © 2011 VMware, Inc., Palo Alto, CA., USA |
* All Rights Reserved. |
* |
* Permission is hereby granted, free of charge, to any person obtaining a |
* copy of this software and associated documentation files (the |
* "Software"), to deal in the Software without restriction, including |
* without limitation the rights to use, copy, modify, merge, publish, |
* distribute, sub license, and/or sell copies of the Software, and to |
* permit persons to whom the Software is furnished to do so, subject to |
* the following conditions: |
* |
* The above copyright notice and this permission notice (including the |
* next paragraph) shall be included in all copies or substantial portions |
* of the Software. |
* |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL |
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, |
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE |
* USE OR OTHER DEALINGS IN THE SOFTWARE. |
* |
**************************************************************************/ |
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#ifndef _VMWGFX_FENCE_H_ |
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#define VMW_FENCE_WAIT_TIMEOUT (5*HZ) |
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struct vmw_private; |
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struct vmw_fence_manager; |
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/** |
* |
* |
*/ |
enum vmw_action_type { |
VMW_ACTION_EVENT = 0, |
VMW_ACTION_MAX |
}; |
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struct vmw_fence_action { |
struct list_head head; |
enum vmw_action_type type; |
void (*seq_passed) (struct vmw_fence_action *action); |
void (*cleanup) (struct vmw_fence_action *action); |
}; |
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struct vmw_fence_obj { |
struct kref kref; |
u32 seqno; |
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struct vmw_fence_manager *fman; |
struct list_head head; |
uint32_t signaled; |
uint32_t signal_mask; |
struct list_head seq_passed_actions; |
void (*destroy)(struct vmw_fence_obj *fence); |
wait_queue_head_t queue; |
}; |
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extern struct vmw_fence_manager * |
vmw_fence_manager_init(struct vmw_private *dev_priv); |
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extern void vmw_fence_manager_takedown(struct vmw_fence_manager *fman); |
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extern void vmw_fence_obj_unreference(struct vmw_fence_obj **fence_p); |
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extern struct vmw_fence_obj * |
vmw_fence_obj_reference(struct vmw_fence_obj *fence); |
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extern void vmw_fences_update(struct vmw_fence_manager *fman); |
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extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence, |
uint32_t flags); |
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extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence, uint32_t flags, |
bool lazy, |
bool interruptible, unsigned long timeout); |
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extern void vmw_fence_obj_flush(struct vmw_fence_obj *fence); |
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extern int vmw_fence_create(struct vmw_fence_manager *fman, |
uint32_t seqno, |
uint32_t mask, |
struct vmw_fence_obj **p_fence); |
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extern int vmw_user_fence_create(struct drm_file *file_priv, |
struct vmw_fence_manager *fman, |
uint32_t sequence, |
uint32_t mask, |
struct vmw_fence_obj **p_fence, |
uint32_t *p_handle); |
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extern void vmw_fence_fifo_up(struct vmw_fence_manager *fman); |
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extern void vmw_fence_fifo_down(struct vmw_fence_manager *fman); |
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extern int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data, |
struct drm_file *file_priv); |
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extern int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data, |
struct drm_file *file_priv); |
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extern int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data, |
struct drm_file *file_priv); |
extern int vmw_fence_event_ioctl(struct drm_device *dev, void *data, |
struct drm_file *file_priv); |
extern void vmw_event_fence_fpriv_gone(struct vmw_fence_manager *fman, |
struct list_head *event_list); |
/* |
extern int vmw_event_fence_action_queue(struct drm_file *filee_priv, |
struct vmw_fence_obj *fence, |
struct drm_pending_event *event, |
uint32_t *tv_sec, |
uint32_t *tv_usec, |
bool interruptible); |
*/ |
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#endif /* _VMWGFX_FENCE_H_ */ |