summaryrefslogtreecommitdiff
path: root/spice1.proto
blob: fa2524bbe93f9bd3b3083f09c938e35809cfba81 (plain)
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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
/* built in types:
   int8, uint8, 16, 32, 64
*/

typedef fixed28_4 int32 @ctype(SPICE_FIXED28_4);

struct Point {
    int32 x;
    int32 y;
};

struct Point16 {
    int16 x;
    int16 y;
};

struct PointFix {
    fixed28_4 x;
    fixed28_4 y;
};

struct Rect {
    int32 top;
    int32 left;
    int32 bottom;
    int32 right;
};

enum32 link_err {
    OK,
    ERROR,
    INVALID_MAGIC,
    INVALID_DATA,
    VERSION_MISMATCH,
    NEED_SECURED,
    NEED_UNSECURED,
    PERMISSION_DENIED,
    BAD_CONNECTION_ID,
    CHANNEL_NOT_AVAILABLE
};

enum32 warn_code {
    WARN_GENERAL
} @prefix(SPICE_);

enum32 info_code {
    INFO_GENERAL
} @prefix(SPICE_);

flags32 migrate_flags {
    NEED_FLUSH,
    NEED_DATA_TRANSFER
} @prefix(SPICE_MIGRATE_);

enum32 notify_severity {
    INFO,
    WARN,
    ERROR,
};

enum32 notify_visibility {
    LOW,
    MEDIUM,
    HIGH,
};

flags32 mouse_mode {
    SERVER,
    CLIENT,
};

enum16 pubkey_type {
    INVALID,
    RSA,
    RSA2,
    DSA,
    DSA1,
    DSA2,
    DSA3,
    DSA4,
    DH,
    EC,
};

message Empty {
};

message Data {
    uint8 data[] @end @ctype(uint8_t);
} @nocopy;

struct ChannelWait {
    uint8 channel_type;
    uint8 channel_id;
    uint64 message_serial;
} @ctype(SpiceWaitForChannel);

channel BaseChannel {
 server:
    message {
	migrate_flags flags;
    } migrate;

    Data migrate_data;

    message {
	uint32 generation;
	uint32 window;
    } set_ack;

    message {
	uint32 id;
	uint64 timestamp;
	uint8 data[] @ctype(uint8_t) @as_ptr(data_len);
    } ping;

    message {
	uint8 wait_count;
	ChannelWait wait_list[wait_count] @end;
    } wait_for_channels;

    message {
	uint64 time_stamp;
	link_err reason;
    } @ctype(SpiceMsgDisconnect) disconnecting;

    message {
	uint64 time_stamp;
	notify_severity severity;
	notify_visibility visibilty;
	uint32 what; /* error_code/warn_code/info_code */
	uint32 message_len;
	uint8 message[message_len] @end @nomarshal;
	uint8 zero @end @ctype(uint8_t) @nomarshal;
    } notify;

 client:
    message {
	uint32 generation;
    } ack_sync;

    Empty ack;

    message {
	uint32 id;
	uint64 timestamp;
    } @ctype(SpiceMsgPing) pong;

    Empty migrate_flush_mark;

    Data migrate_data;

    message {
    	uint64 time_stamp;
	link_err reason;
    } @ctype(SpiceMsgDisconnect) disconnecting;
};

struct ChannelId {
    uint8 type;
    uint8 id;
};

channel MainChannel : BaseChannel {
 server:
     message {
	uint16 port;
	uint16 sport;
	uint32 host_offset @zero;
	uint32 host_size;
	pubkey_type pub_key_type @minor(1);
	uint32 pub_key_offset @minor(1) @zero;
	uint32 pub_key_size @minor(1);
	uint8 host_data[host_size] @as_ptr @zero_terminated;
	uint8 pub_key_data[pub_key_size] @minor(1) @as_ptr @zero_terminated;
    } @ctype(SpiceMsgMainMigrationBegin) migrate_begin = 101;

    Empty migrate_cancel;

    message {
	uint32 session_id;
	uint32 display_channels_hint;
	uint32 supported_mouse_modes;
	uint32 current_mouse_mode;
	uint32 agent_connected;
	uint32 agent_tokens;
	uint32 multi_media_time;
	uint32 ram_hint;
    } init;

    message {
	uint32 num_of_channels;
	ChannelId channels[num_of_channels] @end;
    } @ctype(SpiceMsgChannels) channels_list;

    message {
	mouse_mode supported_modes;
	mouse_mode current_mode @unique_flag;
    } mouse_mode;

    message {
	uint32 time;
    } @ctype(SpiceMsgMainMultiMediaTime) multi_media_time;

    Empty agent_connected;

    message {
	link_err error_code;
    } @ctype(SpiceMsgMainAgentDisconnect) agent_disconnected;

    Data agent_data;

    message {
	uint32 num_tokens;
    } @ctype(SpiceMsgMainAgentTokens) agent_token;

    message {
      uint16 port;
      uint16 sport;
      uint32 host_offset @zero;
      uint32 host_size;
      uint32 cert_subject_offset @zero;
      uint32 cert_subject_size;
      uint8 host_data[host_size] @as_ptr @zero_terminated;
      uint8 cert_subject_data[cert_subject_size] @as_ptr @zero_terminated;
    } @ctype(SpiceMsgMainMigrationSwitchHost) migrate_switch_host;

 client:
    message {
	uint64 cache_size;
    } @ctype(SpiceMsgcClientInfo) client_info = 101;

    Empty migrate_connected;

    Empty migrate_connect_error;

    Empty attach_channels;

    message {
	mouse_mode mode;
    } mouse_mode_request;

    message {
	uint32 num_tokens;
    } agent_start;

    Data agent_data;

    message {
        uint32 num_tokens;
    } @ctype(SpiceMsgcMainAgentTokens) agent_token;
};

enum32 clip_type {
    NONE,
    RECTS
};

flags32 path_flags { /* TODO: C enum names changes */
    BEGIN = 0,
    END = 1,
    CLOSE = 3,
    BEZIER = 4,
} @prefix(SPICE_PATH_);

enum32 video_codec_type {
    MJPEG = 1,
};

flags32 stream_flags {
    TOP_DOWN = 0,
};

enum32 brush_type {
    NONE,
    SOLID,
    PATTERN,
};

flags8 mask_flags {
    INVERS,
};

enum8 image_type {
    BITMAP,
    QUIC,
    RESERVED,
    LZ_PLT = 100,
    LZ_RGB,
    GLZ_RGB,
    FROM_CACHE,
};

flags8 image_flags {
    CACHE_ME,
};

enum8 bitmap_fmt {
    INVALID,
    1BIT_LE,
    1BIT_BE,
    4BIT_LE,
    4BIT_BE,
    8BIT /* 8bit indexed mode */,
    16BIT, /* 0555 mode */
    24BIT /* 3 byte, brg */,
    32BIT /* 4 byte, xrgb in little endian format */,
    RGBA /* 4 byte, argb in little endian format */
};

flags8 bitmap_flags {
    PAL_CACHE_ME,
    PAL_FROM_CACHE,
    TOP_DOWN,
};

enum8 image_scale_mode {
    INTERPOLATE,
    NEAREST,
};

flags16 ropd {
    INVERS_SRC,
    INVERS_BRUSH,
    INVERS_DEST,
    OP_PUT,
    OP_OR,
    OP_AND,
    OP_XOR,
    OP_BLACKNESS,
    OP_WHITENESS,
    OP_INVERS,
    INVERS_RES,
};

flags8 line_flags {
    STYLED = 3,
    START_WITH_GAP = 2,
};

enum8 line_cap {
    ROUND,
    SQUARE,
    BUTT,
};

enum8 line_join {
    ROUND,
    BEVEL,
    MITER,
};

flags16 string_flags {
    RASTER_A1,
    RASTER_A4,
    RASTER_A8,
    RASTER_TOP_DOWN,
};

enum8 resource_type {
      INVALID,
      PIXMAP
} @prefix(SPICE_RES_TYPE_);

struct ClipRects {
    uint32 num_rects;
    Rect rects[num_rects] @end;
};

struct PathSegment {
    path_flags flags;
    uint32 count;
    PointFix points[count] @end;
}  @ctype(SpicePathSeg);

struct Path {
    uint32 segments_size @bytes_count(num_segments);
    PathSegment segments[bytes(segments_size, num_segments)] @ptr_array;
};

struct Clip {
    clip_type type;
    switch (type) {
    case RECTS:
        ClipRects *rects @outvar(cliprects);
    default:
        uint64 data @zero;
    } u @anon;
};

struct DisplayBase {
    uint32 surface_id @virtual(0);
    Rect box;
    Clip clip;
} @ctype(SpiceMsgDisplayBase);

struct ResourceID {
    uint8 type;
    uint64 id;
};

struct WaitForChannel {
    uint8 channel_type;
    uint8 channel_id;
    uint64 message_serial;
};

struct Palette {
    uint64 unique;
    uint16 num_ents;
    uint32 ents[num_ents] @end;
};

struct BitmapData {
    bitmap_fmt format;
    bitmap_flags flags;
    uint32 x;
    uint32 y;
    uint32 stride;
    switch (flags) {
    case PAL_FROM_CACHE:
	uint64 palette_id;
    default:
	Palette *palette @outvar(bitmap);
    } pal @anon;
    uint8 *data[image_size(8, stride, y)] @chunk; /* pointer to array, not array of pointers as in C */
} @ctype(SpiceBitmap);

struct BinaryData {
    uint32 data_size;
    uint8 data[data_size] @nomarshal @chunk;
} @ctype(SpiceQUICData);

struct LZPLTData {
    bitmap_flags flags;
    uint32 data_size;
    switch (flags) {
    case PAL_FROM_CACHE:
	uint64 palette_id;
    default:
	Palette *palette @nonnull @outvar(lzplt);
    } pal @anon;
    uint8 data[data_size] @nomarshal @chunk;
};

struct Image {
    struct ImageDescriptor {
        uint64 id;
        image_type type;
        image_flags flags;
        uint32 width;
        uint32 height;
    } descriptor;

    switch (descriptor.type) {
    case BITMAP:
        BitmapData bitmap;
    case QUIC:
        BinaryData quic;
    case LZ_RGB:
    case GLZ_RGB:
        BinaryData lz_rgb;
    case LZ_PLT:
        LZPLTData lz_plt;
    } u;
};

struct Pattern {
    Image *pat @nonnull;
    Point pos;
};

struct Brush {
    brush_type type;
    switch (type) {
    case SOLID:
        uint32 color;
    case PATTERN:
        Pattern pattern;
    } u @fixedsize;
};

struct QMask {
    mask_flags flags;
    Point pos;
    Image *bitmap;
};

struct LineAttr {
    line_flags flags;
    line_join join_style @zero;
    line_cap end_style @zero;
    uint8 style_nseg;
    fixed28_4 width @zero;
    fixed28_4 miter_limit @zero;
    fixed28_4 *style[style_nseg];
};

struct RasterGlyphA1 {
    Point render_pos;
    Point glyph_origin;
    uint16 width;
    uint16 height;
    uint8 data[image_size(1, width, height)] @end;
} @ctype(SpiceRasterGlyph);

struct RasterGlyphA4 {
    Point render_pos;
    Point glyph_origin;
    uint16 width;
    uint16 height;
    uint8 data[image_size(4, width, height)] @end;
} @ctype(SpiceRasterGlyph);

struct RasterGlyphA8 {
    Point render_pos;
    Point glyph_origin;
    uint16 width;
    uint16 height;
    uint8 data[image_size(8, width, height)] @end;
} @ctype(SpiceRasterGlyph);

struct String {
    uint16 length;
    string_flags flags; /* Special: Only one of a1/a4/a8 set */
    switch (flags) {
    case RASTER_A1:
	RasterGlyphA1 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
    case RASTER_A4:
	RasterGlyphA4 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
    case RASTER_A8:
	RasterGlyphA8 glyphs[length] @ctype(SpiceRasterGlyph) @ptr_array;
    } u @anon;
};

channel DisplayChannel : BaseChannel {
 server:
    message {
	uint32 x_res;
	uint32 y_res;
	uint32 bits;
    } mode = 101;

    Empty mark;
    Empty reset;

    message {
	DisplayBase base;
	Point src_pos;
    } copy_bits;

    message {
	uint16 count;
	ResourceID resources[count] @end;
    } @ctype(SpiceResourceList) inval_list;

    message {
	uint8 wait_count;
	WaitForChannel wait_list[wait_count] @end;
    } @ctype(SpiceMsgWaitForChannels) inval_all_pixmaps;

    message {
	uint64 id;
    } @ctype(SpiceMsgDisplayInvalOne) inval_palette;

    Empty inval_all_palettes;

    message {
	uint32 surface_id @virtual(0);
	uint32 id;
	stream_flags flags;
	video_codec_type codec_type;
	uint64 stamp;
	uint32 stream_width;
	uint32 stream_height;
	uint32 src_width;
	uint32 src_height;
	Rect dest;
	Clip clip;
    } stream_create = 122;

    message {
	uint32 id;
	uint32 multi_media_time;
	uint32 data_size;
	uint32 pad_size @zero;
	uint8 data[data_size] @end  @nomarshal;
	/* Ignore: uint8 padding[pad_size] */
    } stream_data;

    message {
	uint32 id;
	Clip clip;
    } stream_clip;

    message {
	uint32 id;
    } stream_destroy;

    Empty stream_destroy_all;

    message {
	DisplayBase base;
	struct Fill {
	    Brush brush @outvar(brush);
	    uint16 rop_descriptor;
	    QMask mask @outvar(mask);
	} data;
    } draw_fill = 302;

    message {
	DisplayBase base;
	struct Opaque {
	    Image *src_bitmap;
	    Rect src_area;
	    Brush brush;
	    ropd rop_descriptor;
	    image_scale_mode scale_mode;
	    QMask mask @outvar(mask);
	} data;
    } draw_opaque;

    message {
	DisplayBase base;
	struct Copy {
	    Image *src_bitmap;
	    Rect src_area;
	    ropd rop_descriptor;
	    image_scale_mode scale_mode;
	    QMask mask @outvar(mask);
	} data;
    } draw_copy;

    message {
	DisplayBase base;
	struct Blend {
	    Image *src_bitmap;
	    Rect src_area;
	    ropd rop_descriptor;
	    image_scale_mode scale_mode;
	    QMask mask @outvar(mask);
	} @ctype(SpiceCopy) data;
    } draw_blend;

    message {
	DisplayBase base;
	struct Blackness {
	    QMask mask @outvar(mask);
	} data;
    } draw_blackness;

    message {
	DisplayBase base;
	struct Whiteness {
	    QMask mask @outvar(mask);
	} data;
    } draw_whiteness;

    message {
	DisplayBase base;
	struct Invers {
	    QMask mask @outvar(mask);
	} data;
    } draw_invers;

    message {
	DisplayBase base;
	struct Rop3 {
	    Image *src_bitmap;
	    Rect src_area;
	    Brush brush;
	    uint8 rop3;
	    image_scale_mode scale_mode;
	    QMask mask @outvar(mask);
	} data;
    } draw_rop3;

    message {
	DisplayBase base;
	struct Stroke {
	    Path *path;
	    LineAttr attr;
	    Brush brush;
	    uint16 fore_mode;
	    uint16 back_mode;
	} data;
    } draw_stroke;

    message {
	DisplayBase base;
	struct Text {
	    String *str;
	    Rect back_area;
	    Brush fore_brush @outvar(fore_brush);
	    Brush back_brush @outvar(back_brush);
	    uint16 fore_mode;
	    uint16 back_mode;
	} data;
    } draw_text;

    message {
	DisplayBase base;
	struct Transparent {
	    Image *src_bitmap;
	    Rect src_area;
	    uint32 src_color;
	    uint32 true_color;
	} data;
    } draw_transparent;

    message {
	DisplayBase base;
	struct AlphaBlend {
	    int8 alpha_flags @virtual(0);
	    uint8 alpha;
	    Image *src_bitmap;
	    Rect src_area;
	} data;
    } draw_alpha_blend;

 client:
    message {
	uint8 pixmap_cache_id;
	int64 pixmap_cache_size; //in pixels
	uint8 glz_dictionary_id;
	int32 glz_dictionary_window_size;  // in pixels
    } init = 101;
};

flags32 keyboard_modifier_flags {
    SCROLL_LOCK,
    NUM_LOCK,
    CAPS_LOCK
};

enum32 mouse_button {
    INVALID,
    LEFT,
    MIDDLE,
    RIGHT,
    UP,
    DOWN,
};

flags32 mouse_button_mask {
    LEFT,
    MIDDLE,
    RIGHT
};

channel InputsChannel : BaseChannel {
 client:
    message {
	uint32 code;
    } @ctype(SpiceMsgcKeyDown) key_down = 101;

    message {
	uint32 code;
    } @ctype(SpiceMsgcKeyUp) key_up;

    message {
	keyboard_modifier_flags modifiers;
    } @ctype(SpiceMsgcKeyModifiers) key_modifiers;

    message {
	int32 dx;
	int32 dy;
	mouse_button_mask buttons_state;
    } @ctype(SpiceMsgcMouseMotion) mouse_motion = 111;

    message {
	uint32 x;
	uint32 y;
	mouse_button_mask buttons_state;
	uint8 display_id;
    } @ctype(SpiceMsgcMousePosition) mouse_position;

    message {
	mouse_button button;
	mouse_button_mask buttons_state;
    } @ctype(SpiceMsgcMousePress) mouse_press;

    message {
	mouse_button button;
	mouse_button_mask buttons_state;
    } @ctype(SpiceMsgcMouseRelease) mouse_release;

 server:
    message {
	keyboard_modifier_flags keyboard_modifiers;
    } init = 101;

    message {
	keyboard_modifier_flags modifiers;
    } key_modifiers;

    Empty mouse_motion_ack = 111;
};

enum16 cursor_type {
    ALPHA,
    MONO,
    COLOR4,
    COLOR8,
    COLOR16,
    COLOR24,
    COLOR32,
};

flags32 cursor_flags {
    NONE, /* Means no cursor */
    CACHE_ME,
    FROM_CACHE,
};

struct CursorHeader {
    uint64 unique;
    cursor_type type;
    uint16 width;
    uint16 height;
    uint16 hot_spot_x;
    uint16 hot_spot_y;
};

struct Cursor {
    cursor_flags flags;
    CursorHeader header;
    uint8 data[] @as_ptr(data_size);
};

channel CursorChannel : BaseChannel {
 server:
    message {
	Point16 position;
	uint16 trail_length;
	uint16 trail_frequency;
	uint8 visible;
	Cursor cursor;
    } init = 101;

    Empty reset;

    message {
	Point16 position;
	uint8 visible;
	Cursor cursor;
    } set;

    message {
	Point16 position;
    } move;

    Empty hide;

    message {
	uint16 length;
	uint16 frequency;
    } trail;

    message {
	uint64 id;
    } @ctype(SpiceMsgDisplayInvalOne) inval_one;

    Empty inval_all;
};

enum32 audio_data_mode {
    INVALID,
    RAW,
    CELT_0_5_1,
};

enum32 audio_fmt {
    INVALID,
    S16,
};

channel PlaybackChannel : BaseChannel {
 server:
    message {
	uint32 time;
	uint8 data[] @as_ptr(data_size);
    } @ctype(SpiceMsgPlaybackPacket) data = 101;

    message {
	uint32 time;
	audio_data_mode mode;
	uint8 data[] @as_ptr(data_size);
    } mode;

    message {
       uint32 channels;
       audio_fmt format;
       uint32 frequency;
       uint32 time;
    } start;

    Empty stop;
};

channel RecordChannel : BaseChannel {
 server:
    message {
	uint32 channels;
	audio_fmt format;
	uint32 frequency;
    } start = 101;

    Empty stop;
 client:
    message {
	uint32 time;
	uint8 data[] @nomarshal @as_ptr(data_size);
    } @ctype(SpiceMsgcRecordPacket) data = 101;

    message {
	uint32 time;
	audio_data_mode mode;
	uint8 data[] @as_ptr(data_size);
    } mode;

    message {
	uint32 time;
    } start_mark;
};

protocol Spice {
    MainChannel main = 1;
    DisplayChannel display;
    InputsChannel inputs;
    CursorChannel cursor;
    PlaybackChannel playback;
    RecordChannel record;
};