1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/* SPDX-License-Identifier: GPL-2.0 OR MIT */
/**************************************************************************
*
* Copyright 2011-2012 VMware, Inc., Palo Alto, CA., USA
*
* 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.
*
**************************************************************************/
#ifndef _VMWGFX_FENCE_H_
#include <linux/dma-fence.h>
#include <linux/dma-fence-array.h>
#define VMW_FENCE_WAIT_TIMEOUT (5*HZ)
struct drm_device;
struct drm_file;
struct drm_pending_event;
struct vmw_private;
struct vmw_fence_manager;
/**
*
*
*/
enum vmw_action_type {
VMW_ACTION_EVENT = 0,
VMW_ACTION_MAX
};
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);
};
struct vmw_fence_obj {
struct dma_fence base;
struct list_head head;
struct list_head seq_passed_actions;
void (*destroy)(struct vmw_fence_obj *fence);
};
extern struct vmw_fence_manager *
vmw_fence_manager_init(struct vmw_private *dev_priv);
extern void vmw_fence_manager_takedown(struct vmw_fence_manager *fman);
static inline void
vmw_fence_obj_unreference(struct vmw_fence_obj **fence_p)
{
struct vmw_fence_obj *fence = *fence_p;
*fence_p = NULL;
if (fence)
dma_fence_put(&fence->base);
}
static inline struct vmw_fence_obj *
vmw_fence_obj_reference(struct vmw_fence_obj *fence)
{
if (fence)
dma_fence_get(&fence->base);
return fence;
}
extern void vmw_fences_update(struct vmw_fence_manager *fman);
extern bool vmw_fence_obj_signaled(struct vmw_fence_obj *fence);
extern int vmw_fence_obj_wait(struct vmw_fence_obj *fence,
bool lazy,
bool interruptible, unsigned long timeout);
extern void vmw_fence_obj_flush(struct vmw_fence_obj *fence);
extern int vmw_fence_create(struct vmw_fence_manager *fman,
uint32_t seqno,
struct vmw_fence_obj **p_fence);
extern int vmw_user_fence_create(struct drm_file *file_priv,
struct vmw_fence_manager *fman,
uint32_t sequence,
struct vmw_fence_obj **p_fence,
uint32_t *p_handle);
extern int vmw_wait_dma_fence(struct vmw_fence_manager *fman,
struct dma_fence *fence);
extern void vmw_fence_fifo_up(struct vmw_fence_manager *fman);
extern void vmw_fence_fifo_down(struct vmw_fence_manager *fman);
extern int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
extern int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
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 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);
#endif /* _VMWGFX_FENCE_H_ */
|
