mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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f9cd8ec34f
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
121 lines
3.9 KiB
C
121 lines
3.9 KiB
C
/**************************************************************************
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*
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* Copyright © 2011 VMware, Inc., Palo Alto, CA., USA
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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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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/**
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*
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*
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*/
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enum vmw_action_type {
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VMW_ACTION_EVENT = 0,
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VMW_ACTION_MAX
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};
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struct vmw_fence_action {
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struct list_head head;
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enum vmw_action_type type;
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void (*seq_passed) (struct vmw_fence_action *action);
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void (*cleanup) (struct vmw_fence_action *action);
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};
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struct vmw_fence_obj {
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struct kref kref;
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u32 seqno;
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struct vmw_fence_manager *fman;
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struct list_head head;
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uint32_t signaled;
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uint32_t signal_mask;
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struct list_head seq_passed_actions;
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void (*destroy)(struct vmw_fence_obj *fence);
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wait_queue_head_t queue;
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};
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extern struct vmw_fence_manager *
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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 *
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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,
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uint32_t flags);
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extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence, uint32_t flags,
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bool lazy,
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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,
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uint32_t seqno,
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uint32_t mask,
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struct vmw_fence_obj **p_fence);
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extern int vmw_user_fence_create(struct drm_file *file_priv,
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struct vmw_fence_manager *fman,
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uint32_t sequence,
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uint32_t mask,
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struct vmw_fence_obj **p_fence,
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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,
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struct drm_file *file_priv);
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extern int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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extern int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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extern int vmw_fence_event_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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extern void vmw_event_fence_fpriv_gone(struct vmw_fence_manager *fman,
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struct list_head *event_list);
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extern int vmw_event_fence_action_queue(struct drm_file *filee_priv,
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struct vmw_fence_obj *fence,
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struct drm_pending_event *event,
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uint32_t *tv_sec,
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uint32_t *tv_usec,
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bool interruptible);
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#endif /* _VMWGFX_FENCE_H_ */
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