xref: /openbmc/qemu/include/ui/console.h (revision 93e0932b)
1 #ifndef CONSOLE_H
2 #define CONSOLE_H
3 
4 #include "ui/qemu-pixman.h"
5 #include "qom/object.h"
6 #include "qemu/notify.h"
7 #include "qemu/error-report.h"
8 #include "qapi/qapi-types-ui.h"
9 
10 #ifdef CONFIG_OPENGL
11 # include <epoxy/gl.h>
12 # include "ui/shader.h"
13 #endif
14 
15 /* keyboard/mouse support */
16 
17 #define MOUSE_EVENT_LBUTTON 0x01
18 #define MOUSE_EVENT_RBUTTON 0x02
19 #define MOUSE_EVENT_MBUTTON 0x04
20 #define MOUSE_EVENT_WHEELUP 0x08
21 #define MOUSE_EVENT_WHEELDN 0x10
22 
23 /* identical to the ps/2 keyboard bits */
24 #define QEMU_SCROLL_LOCK_LED (1 << 0)
25 #define QEMU_NUM_LOCK_LED    (1 << 1)
26 #define QEMU_CAPS_LOCK_LED   (1 << 2)
27 
28 /* in ms */
29 #define GUI_REFRESH_INTERVAL_DEFAULT    30
30 #define GUI_REFRESH_INTERVAL_IDLE     3000
31 
32 /* Color number is match to standard vga palette */
33 enum qemu_color_names {
34     QEMU_COLOR_BLACK   = 0,
35     QEMU_COLOR_BLUE    = 1,
36     QEMU_COLOR_GREEN   = 2,
37     QEMU_COLOR_CYAN    = 3,
38     QEMU_COLOR_RED     = 4,
39     QEMU_COLOR_MAGENTA = 5,
40     QEMU_COLOR_YELLOW  = 6,
41     QEMU_COLOR_WHITE   = 7
42 };
43 /* Convert to curses char attributes */
44 #define ATTR2CHTYPE(c, fg, bg, bold) \
45     ((bold) << 21 | (bg) << 11 | (fg) << 8 | (c))
46 
47 typedef void QEMUPutKBDEvent(void *opaque, int keycode);
48 typedef void QEMUPutLEDEvent(void *opaque, int ledstate);
49 typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);
50 
51 typedef struct QEMUPutMouseEntry QEMUPutMouseEntry;
52 typedef struct QEMUPutKbdEntry QEMUPutKbdEntry;
53 typedef struct QEMUPutLEDEntry QEMUPutLEDEntry;
54 
55 QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func,
56                                             void *opaque);
57 QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
58                                                 void *opaque, int absolute,
59                                                 const char *name);
60 void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);
61 void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry);
62 
63 QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func, void *opaque);
64 void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry);
65 
66 void kbd_put_ledstate(int ledstate);
67 
68 bool qemu_mouse_set(int index, Error **errp);
69 
70 /* keysym is a unicode code except for special keys (see QEMU_KEY_xxx
71    constants) */
72 #define QEMU_KEY_ESC1(c) ((c) | 0xe100)
73 #define QEMU_KEY_TAB        0x0009
74 #define QEMU_KEY_BACKSPACE  0x007f
75 #define QEMU_KEY_UP         QEMU_KEY_ESC1('A')
76 #define QEMU_KEY_DOWN       QEMU_KEY_ESC1('B')
77 #define QEMU_KEY_RIGHT      QEMU_KEY_ESC1('C')
78 #define QEMU_KEY_LEFT       QEMU_KEY_ESC1('D')
79 #define QEMU_KEY_HOME       QEMU_KEY_ESC1(1)
80 #define QEMU_KEY_END        QEMU_KEY_ESC1(4)
81 #define QEMU_KEY_PAGEUP     QEMU_KEY_ESC1(5)
82 #define QEMU_KEY_PAGEDOWN   QEMU_KEY_ESC1(6)
83 #define QEMU_KEY_DELETE     QEMU_KEY_ESC1(3)
84 
85 #define QEMU_KEY_CTRL_UP         0xe400
86 #define QEMU_KEY_CTRL_DOWN       0xe401
87 #define QEMU_KEY_CTRL_LEFT       0xe402
88 #define QEMU_KEY_CTRL_RIGHT      0xe403
89 #define QEMU_KEY_CTRL_HOME       0xe404
90 #define QEMU_KEY_CTRL_END        0xe405
91 #define QEMU_KEY_CTRL_PAGEUP     0xe406
92 #define QEMU_KEY_CTRL_PAGEDOWN   0xe407
93 
94 void kbd_put_keysym_console(QemuConsole *s, int keysym);
95 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl);
96 void kbd_put_string_console(QemuConsole *s, const char *str, int len);
97 void kbd_put_keysym(int keysym);
98 
99 /* consoles */
100 
101 #define TYPE_QEMU_CONSOLE "qemu-console"
102 OBJECT_DECLARE_TYPE(QemuConsole, QemuConsoleClass, QEMU_CONSOLE)
103 
104 
105 struct QemuConsoleClass {
106     ObjectClass parent_class;
107 };
108 
109 #define QEMU_ALLOCATED_FLAG     0x01
110 #define QEMU_PLACEHOLDER_FLAG   0x02
111 
112 typedef struct ScanoutTexture {
113     uint32_t backing_id;
114     bool backing_y_0_top;
115     uint32_t backing_width;
116     uint32_t backing_height;
117     uint32_t x;
118     uint32_t y;
119     uint32_t width;
120     uint32_t height;
121 } ScanoutTexture;
122 
123 typedef struct DisplaySurface {
124     pixman_format_code_t format;
125     pixman_image_t *image;
126     uint8_t flags;
127 #ifdef CONFIG_OPENGL
128     GLenum glformat;
129     GLenum gltype;
130     GLuint texture;
131 #endif
132 } DisplaySurface;
133 
134 typedef struct QemuUIInfo {
135     /* physical dimension */
136     uint16_t width_mm;
137     uint16_t height_mm;
138     /* geometry */
139     int       xoff;
140     int       yoff;
141     uint32_t  width;
142     uint32_t  height;
143     uint32_t  refresh_rate;
144 } QemuUIInfo;
145 
146 /* cursor data format is 32bit RGBA */
147 typedef struct QEMUCursor {
148     int                 width, height;
149     int                 hot_x, hot_y;
150     int                 refcount;
151     uint32_t            data[];
152 } QEMUCursor;
153 
154 QEMUCursor *cursor_alloc(int width, int height);
155 void cursor_get(QEMUCursor *c);
156 void cursor_put(QEMUCursor *c);
157 QEMUCursor *cursor_builtin_hidden(void);
158 QEMUCursor *cursor_builtin_left_ptr(void);
159 void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
160 int cursor_get_mono_bpl(QEMUCursor *c);
161 void cursor_set_mono(QEMUCursor *c,
162                      uint32_t foreground, uint32_t background, uint8_t *image,
163                      int transparent, uint8_t *mask);
164 void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
165 void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
166 
167 typedef void *QEMUGLContext;
168 typedef struct QEMUGLParams QEMUGLParams;
169 
170 struct QEMUGLParams {
171     int major_ver;
172     int minor_ver;
173 };
174 
175 typedef struct QemuDmaBuf {
176     int       fd;
177     uint32_t  width;
178     uint32_t  height;
179     uint32_t  stride;
180     uint32_t  fourcc;
181     uint64_t  modifier;
182     uint32_t  texture;
183     uint32_t  x;
184     uint32_t  y;
185     uint32_t  scanout_width;
186     uint32_t  scanout_height;
187     bool      y0_top;
188     void      *sync;
189     int       fence_fd;
190     bool      allow_fences;
191     bool      draw_submitted;
192 } QemuDmaBuf;
193 
194 enum display_scanout {
195     SCANOUT_NONE,
196     SCANOUT_SURFACE,
197     SCANOUT_TEXTURE,
198     SCANOUT_DMABUF,
199 };
200 
201 typedef struct DisplayScanout {
202     enum display_scanout kind;
203     union {
204         /* DisplaySurface *surface; is kept in QemuConsole */
205         ScanoutTexture texture;
206         QemuDmaBuf *dmabuf;
207     };
208 } DisplayScanout;
209 
210 typedef struct DisplayState DisplayState;
211 typedef struct DisplayGLCtx DisplayGLCtx;
212 
213 typedef struct DisplayChangeListenerOps {
214     const char *dpy_name;
215 
216     /* optional */
217     void (*dpy_refresh)(DisplayChangeListener *dcl);
218 
219     /* optional */
220     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
221                            int x, int y, int w, int h);
222     /* optional */
223     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
224                            struct DisplaySurface *new_surface);
225     /* optional */
226     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
227                                  pixman_format_code_t format);
228 
229     /* optional */
230     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
231                             int x, int y);
232     /* optional */
233     void (*dpy_text_resize)(DisplayChangeListener *dcl,
234                             int w, int h);
235     /* optional */
236     void (*dpy_text_update)(DisplayChangeListener *dcl,
237                             int x, int y, int w, int h);
238 
239     /* optional */
240     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
241                           int x, int y, int on);
242     /* optional */
243     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
244                               QEMUCursor *cursor);
245 
246     /* required if GL */
247     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
248     /* required if GL */
249     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
250                                    uint32_t backing_id,
251                                    bool backing_y_0_top,
252                                    uint32_t backing_width,
253                                    uint32_t backing_height,
254                                    uint32_t x, uint32_t y,
255                                    uint32_t w, uint32_t h);
256     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
257     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
258     /* optional */
259     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
260                                   QemuDmaBuf *dmabuf);
261     /* optional */
262     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
263                                  QemuDmaBuf *dmabuf, bool have_hot,
264                                  uint32_t hot_x, uint32_t hot_y);
265     /* optional */
266     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
267                                    uint32_t pos_x, uint32_t pos_y);
268     /* optional */
269     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
270                                   QemuDmaBuf *dmabuf);
271     /* required if GL */
272     void (*dpy_gl_update)(DisplayChangeListener *dcl,
273                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
274 
275 } DisplayChangeListenerOps;
276 
277 struct DisplayChangeListener {
278     uint64_t update_interval;
279     const DisplayChangeListenerOps *ops;
280     DisplayState *ds;
281     QemuConsole *con;
282 
283     QLIST_ENTRY(DisplayChangeListener) next;
284 };
285 
286 typedef struct DisplayGLCtxOps {
287     bool (*dpy_gl_ctx_is_compatible_dcl)(DisplayGLCtx *dgc,
288                                          DisplayChangeListener *dcl);
289     QEMUGLContext (*dpy_gl_ctx_create)(DisplayGLCtx *dgc,
290                                        QEMUGLParams *params);
291     void (*dpy_gl_ctx_destroy)(DisplayGLCtx *dgc,
292                                QEMUGLContext ctx);
293     int (*dpy_gl_ctx_make_current)(DisplayGLCtx *dgc,
294                                    QEMUGLContext ctx);
295     void (*dpy_gl_ctx_create_texture)(DisplayGLCtx *dgc,
296                                       DisplaySurface *surface);
297     void (*dpy_gl_ctx_destroy_texture)(DisplayGLCtx *dgc,
298                                       DisplaySurface *surface);
299     void (*dpy_gl_ctx_update_texture)(DisplayGLCtx *dgc,
300                                       DisplaySurface *surface,
301                                       int x, int y, int w, int h);
302 } DisplayGLCtxOps;
303 
304 struct DisplayGLCtx {
305     const DisplayGLCtxOps *ops;
306 #ifdef CONFIG_OPENGL
307     QemuGLShader *gls; /* optional shared shader */
308 #endif
309 };
310 
311 DisplayState *init_displaystate(void);
312 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
313                                                 pixman_format_code_t format,
314                                                 int linesize, uint8_t *data);
315 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
316 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
317                                                 const char *msg);
318 PixelFormat qemu_default_pixelformat(int bpp);
319 
320 DisplaySurface *qemu_create_displaysurface(int width, int height);
321 void qemu_free_displaysurface(DisplaySurface *surface);
322 
323 static inline int is_buffer_shared(DisplaySurface *surface)
324 {
325     return !(surface->flags & QEMU_ALLOCATED_FLAG);
326 }
327 
328 static inline int is_placeholder(DisplaySurface *surface)
329 {
330     return surface->flags & QEMU_PLACEHOLDER_FLAG;
331 }
332 
333 void register_displaychangelistener(DisplayChangeListener *dcl);
334 void update_displaychangelistener(DisplayChangeListener *dcl,
335                                   uint64_t interval);
336 void unregister_displaychangelistener(DisplayChangeListener *dcl);
337 
338 bool dpy_ui_info_supported(QemuConsole *con);
339 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
340 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay);
341 
342 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
343 void dpy_gfx_update_full(QemuConsole *con);
344 void dpy_gfx_replace_surface(QemuConsole *con,
345                              DisplaySurface *surface);
346 void dpy_text_cursor(QemuConsole *con, int x, int y);
347 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
348 void dpy_text_resize(QemuConsole *con, int w, int h);
349 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
350 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
351 bool dpy_cursor_define_supported(QemuConsole *con);
352 bool dpy_gfx_check_format(QemuConsole *con,
353                           pixman_format_code_t format);
354 
355 void dpy_gl_scanout_disable(QemuConsole *con);
356 void dpy_gl_scanout_texture(QemuConsole *con,
357                             uint32_t backing_id, bool backing_y_0_top,
358                             uint32_t backing_width, uint32_t backing_height,
359                             uint32_t x, uint32_t y, uint32_t w, uint32_t h);
360 void dpy_gl_scanout_dmabuf(QemuConsole *con,
361                            QemuDmaBuf *dmabuf);
362 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
363                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
364 void dpy_gl_cursor_position(QemuConsole *con,
365                             uint32_t pos_x, uint32_t pos_y);
366 void dpy_gl_release_dmabuf(QemuConsole *con,
367                            QemuDmaBuf *dmabuf);
368 void dpy_gl_update(QemuConsole *con,
369                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
370 
371 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
372                                 QEMUGLParams *params);
373 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
374 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
375 
376 bool console_has_gl(QemuConsole *con);
377 
378 static inline int surface_stride(DisplaySurface *s)
379 {
380     return pixman_image_get_stride(s->image);
381 }
382 
383 static inline void *surface_data(DisplaySurface *s)
384 {
385     return pixman_image_get_data(s->image);
386 }
387 
388 static inline int surface_width(DisplaySurface *s)
389 {
390     return pixman_image_get_width(s->image);
391 }
392 
393 static inline int surface_height(DisplaySurface *s)
394 {
395     return pixman_image_get_height(s->image);
396 }
397 
398 static inline int surface_bits_per_pixel(DisplaySurface *s)
399 {
400     int bits = PIXMAN_FORMAT_BPP(s->format);
401     return bits;
402 }
403 
404 static inline int surface_bytes_per_pixel(DisplaySurface *s)
405 {
406     int bits = PIXMAN_FORMAT_BPP(s->format);
407     return DIV_ROUND_UP(bits, 8);
408 }
409 
410 static inline pixman_format_code_t surface_format(DisplaySurface *s)
411 {
412     return s->format;
413 }
414 
415 typedef uint32_t console_ch_t;
416 
417 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
418 {
419     *dest = ch;
420 }
421 
422 enum {
423     GRAPHIC_FLAGS_NONE     = 0,
424     /* require a console/display with GL callbacks */
425     GRAPHIC_FLAGS_GL       = 1 << 0,
426     /* require a console/display with DMABUF import */
427     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
428 };
429 
430 typedef struct GraphicHwOps {
431     int (*get_flags)(void *opaque); /* optional, default 0 */
432     void (*invalidate)(void *opaque);
433     void (*gfx_update)(void *opaque);
434     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
435     void (*text_update)(void *opaque, console_ch_t *text);
436     void (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
437     void (*gl_block)(void *opaque, bool block);
438 } GraphicHwOps;
439 
440 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
441                                   const GraphicHwOps *ops,
442                                   void *opaque);
443 void graphic_console_set_hwops(QemuConsole *con,
444                                const GraphicHwOps *hw_ops,
445                                void *opaque);
446 void graphic_console_close(QemuConsole *con);
447 
448 void graphic_hw_update(QemuConsole *con);
449 void graphic_hw_update_done(QemuConsole *con);
450 void graphic_hw_invalidate(QemuConsole *con);
451 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
452 void graphic_hw_gl_block(QemuConsole *con, bool block);
453 
454 void qemu_console_early_init(void);
455 
456 void qemu_console_set_display_gl_ctx(QemuConsole *con, DisplayGLCtx *ctx);
457 
458 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
459 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
460 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
461                                                 uint32_t head, Error **errp);
462 QemuConsole *qemu_console_lookup_unused(void);
463 bool qemu_console_is_visible(QemuConsole *con);
464 bool qemu_console_is_graphic(QemuConsole *con);
465 bool qemu_console_is_fixedsize(QemuConsole *con);
466 bool qemu_console_is_gl_blocked(QemuConsole *con);
467 bool qemu_console_is_multihead(DeviceState *dev);
468 char *qemu_console_get_label(QemuConsole *con);
469 int qemu_console_get_index(QemuConsole *con);
470 uint32_t qemu_console_get_head(QemuConsole *con);
471 int qemu_console_get_width(QemuConsole *con, int fallback);
472 int qemu_console_get_height(QemuConsole *con, int fallback);
473 /* Return the low-level window id for the console */
474 int qemu_console_get_window_id(QemuConsole *con);
475 /* Set the low-level window id for the console */
476 void qemu_console_set_window_id(QemuConsole *con, int window_id);
477 
478 void console_select(unsigned int index);
479 void qemu_console_resize(QemuConsole *con, int width, int height);
480 DisplaySurface *qemu_console_surface(QemuConsole *con);
481 
482 /* console-gl.c */
483 #ifdef CONFIG_OPENGL
484 bool console_gl_check_format(DisplayChangeListener *dcl,
485                              pixman_format_code_t format);
486 void surface_gl_create_texture(QemuGLShader *gls,
487                                DisplaySurface *surface);
488 void surface_gl_update_texture(QemuGLShader *gls,
489                                DisplaySurface *surface,
490                                int x, int y, int w, int h);
491 void surface_gl_render_texture(QemuGLShader *gls,
492                                DisplaySurface *surface);
493 void surface_gl_destroy_texture(QemuGLShader *gls,
494                                DisplaySurface *surface);
495 void surface_gl_setup_viewport(QemuGLShader *gls,
496                                DisplaySurface *surface,
497                                int ww, int wh);
498 #endif
499 
500 typedef struct QemuDisplay QemuDisplay;
501 
502 struct QemuDisplay {
503     DisplayType type;
504     void (*early_init)(DisplayOptions *opts);
505     void (*init)(DisplayState *ds, DisplayOptions *opts);
506 };
507 
508 void qemu_display_register(QemuDisplay *ui);
509 bool qemu_display_find_default(DisplayOptions *opts);
510 void qemu_display_early_init(DisplayOptions *opts);
511 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
512 void qemu_display_help(void);
513 
514 /* vnc.c */
515 void vnc_display_init(const char *id, Error **errp);
516 void vnc_display_open(const char *id, Error **errp);
517 void vnc_display_add_client(const char *id, int csock, bool skipauth);
518 int vnc_display_password(const char *id, const char *password);
519 int vnc_display_pw_expire(const char *id, time_t expires);
520 void vnc_parse(const char *str);
521 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
522 bool vnc_display_reload_certs(const char *id,  Error **errp);
523 bool vnc_display_update(DisplayUpdateOptionsVNC *arg, Error **errp);
524 
525 /* input.c */
526 int index_from_key(const char *key, size_t key_length);
527 
528 #ifdef CONFIG_LINUX
529 /* udmabuf.c */
530 int udmabuf_fd(void);
531 #endif
532 
533 /* util.c */
534 bool qemu_console_fill_device_address(QemuConsole *con,
535                                       char *device_address,
536                                       size_t size,
537                                       Error **errp);
538 
539 #endif
540