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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _H_REDWORKER
#define _H_REDWORKER
#include "red_common.h"
static inline void set_bit(int index, uint32_t *addr)
{
__asm__ __volatile__ ("lock btsl %1, %0": : "m" (*addr), "r" (index));
}
static inline void clear_bit(int index, uint32_t *addr)
{
__asm__ __volatile__ ("lock btrl %1, %0": : "m" (*addr), "r" (index));
}
static inline int test_bit(int index, uint32_t val)
{
return val & (1u << index);
}
enum {
RED_WORKER_PENDING_WAKEUP,
RED_WORKER_PENDING_OOM,
};
enum {
RED_WORKER_MESSAGE_NOP,
RED_WORKER_MESSAGE_UPDATE,
RED_WORKER_MESSAGE_WAKEUP,
RED_WORKER_MESSAGE_OOM,
RED_WORKER_MESSAGE_READY,
RED_WORKER_MESSAGE_DISPLAY_CONNECT,
RED_WORKER_MESSAGE_DISPLAY_DISCONNECT,
RED_WORKER_MESSAGE_DISPLAY_MIGRATE,
RED_WORKER_MESSAGE_SAVE,
RED_WORKER_MESSAGE_LOAD,
RED_WORKER_MESSAGE_START,
RED_WORKER_MESSAGE_STOP,
RED_WORKER_MESSAGE_CURSOR_CONNECT,
RED_WORKER_MESSAGE_CURSOR_DISCONNECT,
RED_WORKER_MESSAGE_CURSOR_MIGRATE,
RED_WORKER_MESSAGE_SET_COMPRESSION,
RED_WORKER_MESSAGE_SET_STREAMING_VIDEO,
RED_WORKER_MESSAGE_SET_MOUSE_MODE,
RED_WORKER_MESSAGE_ADD_MEMSLOT,
RED_WORKER_MESSAGE_DEL_MEMSLOT,
RED_WORKER_MESSAGE_RESET_MEMSLOTS,
RED_WORKER_MESSAGE_DESTROY_SURFACES,
RED_WORKER_MESSAGE_CREATE_PRIMARY_SURFACE,
RED_WORKER_MESSAGE_DESTROY_PRIMARY_SURFACE,
RED_WORKER_MESSAGE_RESET_CURSOR,
RED_WORKER_MESSAGE_RESET_IMAGE_CACHE,
RED_WORKER_MESSAGE_DESTROY_SURFACE_WAIT,
};
typedef uint32_t RedWorkeMessage;
#define RED_MAX_RENDERERS 4
enum {
RED_RENDERER_INVALID,
RED_RENDERER_CAIRO,
RED_RENDERER_OGL_PBUF,
RED_RENDERER_OGL_PIXMAP,
};
typedef struct WorkerInitData {
struct QXLInterface *qxl_interface;
int id;
int channel;
uint32_t *pending;
uint32_t num_renderers;
uint32_t renderers[RED_MAX_RENDERERS];
spice_image_compression_t image_compression;
int streaming_video;
uint32_t num_memslots;
uint32_t num_memslots_groups;
uint8_t memslot_gen_bits;
uint8_t memslot_id_bits;
uint8_t internal_groupslot_id;
uint32_t n_surfaces;
} WorkerInitData;
void *red_worker_main(void *arg);
static inline void send_data(int fd, void *in_buf, int n)
{
uint8_t *buf = in_buf;
do {
int now;
if ((now = write(fd, buf, n)) == -1) {
if (errno == EINTR) {
continue;
}
red_error("%s", strerror(errno));
}
buf += now;
n -= now;
} while (n);
}
static inline void write_message(int fd, RedWorkeMessage *message)
{
send_data(fd, message, sizeof(RedWorkeMessage));
}
static inline void receive_data(int fd, void *in_buf, int n)
{
uint8_t *buf = in_buf;
do {
int now;
if ((now = read(fd, buf, n)) == -1) {
if (errno == EINTR) {
continue;
}
red_error("%s", strerror(errno));
}
buf += now;
n -= now;
} while (n);
}
static inline void read_message(int fd, RedWorkeMessage *message)
{
receive_data(fd, message, sizeof(RedWorkeMessage));
}
#endif
|
