projects / deliverable / linux.git / blame
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| ae2a1040 TH |
1 | /************************************************************************** |
| 2 | * | |
| 3 | * Copyright © 2011 VMware, Inc., Palo Alto, CA., USA | |
| 4 | * All Rights Reserved. | |
| 5 | * | |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a | |
| 7 | * copy of this software and associated documentation files (the | |
| 8 | * "Software"), to deal in the Software without restriction, including | |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, | |
| 10 | * distribute, sub license, and/or sell copies of the Software, and to | |
| 11 | * permit persons to whom the Software is furnished to do so, subject to | |
| 12 | * the following conditions: | |
| 13 | * | |
| 14 | * The above copyright notice and this permission notice (including the | |
| 15 | * next paragraph) shall be included in all copies or substantial portions | |
| 16 | * of the Software. | |
| 17 | * | |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | |
| 21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, | |
| 22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | |
| 23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | |
| 24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | |
| 25 | * | |
| 26 | **************************************************************************/ | |
| 27 | ||
| 28 | #ifndef _VMWGFX_FENCE_H_ | |
| 29 | ||
| 30 | #define VMW_FENCE_WAIT_TIMEOUT (5*HZ) | |
| 31 | ||
| 32 | struct vmw_private; | |
| 33 | ||
| 34 | struct vmw_fence_manager; | |
| 35 | ||
| 36 | /** | |
| 37 | * | |
| 38 | * | |
| 39 | */ | |
| 40 | struct vmw_fence_action { | |
| 41 | struct list_head head; | |
| 42 | void (*seq_passed) (struct vmw_fence_action *action); | |
| 43 | void (*cleanup) (struct vmw_fence_action *action); | |
| 44 | }; | |
| 45 | ||
| 46 | struct vmw_fence_obj { | |
| 47 | struct kref kref; | |
| 48 | u32 seqno; | |
| 49 | ||
| 50 | struct vmw_fence_manager *fman; | |
| 51 | struct list_head head; | |
| 52 | uint32_t signaled; | |
| 53 | uint32_t signal_mask; | |
| 54 | struct list_head seq_passed_actions; | |
| 55 | void (*destroy)(struct vmw_fence_obj *fence); | |
| 56 | wait_queue_head_t queue; | |
| 57 | }; | |
| 58 | ||
| 59 | extern struct vmw_fence_manager * | |
| 60 | vmw_fence_manager_init(struct vmw_private *dev_priv); | |
| 61 | ||
| 62 | extern void vmw_fence_manager_takedown(struct vmw_fence_manager *fman); | |
| 63 | ||
| 64 | extern void vmw_fence_obj_unreference(struct vmw_fence_obj **fence_p); | |
| 65 | ||
| 66 | extern struct vmw_fence_obj * | |
| 67 | vmw_fence_obj_reference(struct vmw_fence_obj *fence); | |
| 68 | ||
| 69 | extern void vmw_fences_update(struct vmw_fence_manager *fman, | |
| 70 | u32 sequence); | |
| 71 | ||
| 72 | extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence, | |
| 73 | uint32_t flags); | |
| 74 | ||
| 75 | extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence, uint32_t flags, | |
| 76 | bool lazy, | |
| 77 | bool interruptible, unsigned long timeout); | |
| 78 | ||
| 79 | extern void vmw_fence_obj_flush(struct vmw_fence_obj *fence); | |
| 80 | ||
| 81 | extern int vmw_fence_create(struct vmw_fence_manager *fman, | |
| 82 | uint32_t seqno, | |
| 83 | uint32_t mask, | |
| 84 | struct vmw_fence_obj **p_fence); | |
| 85 | ||
| 86 | extern int vmw_user_fence_create(struct drm_file *file_priv, | |
| 87 | struct vmw_fence_manager *fman, | |
| 88 | uint32_t sequence, | |
| 89 | uint32_t mask, | |
| 90 | struct vmw_fence_obj **p_fence, | |
| 91 | uint32_t *p_handle); | |
| 92 | ||
| 93 | extern void vmw_fence_fifo_up(struct vmw_fence_manager *fman); | |
| 94 | ||
| 95 | extern void vmw_fence_fifo_down(struct vmw_fence_manager *fman); | |
| 96 | ||
| 97 | extern int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data, | |
| 98 | struct drm_file *file_priv); | |
| 99 | ||
| 100 | extern int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data, | |
| 101 | struct drm_file *file_priv); | |
| 102 | ||
| 103 | extern int vmw_fence_obj_unref_ioctl(struct drm_device *dev, void *data, | |
| 104 | struct drm_file *file_priv); | |
| 105 | #endif /* _VMWGFX_FENCE_H_ */ |