xref: /openbmc/qemu/include/ui/console.h (revision 0fbb5d2d)
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 void hmp_mouse_set(Monitor *mon, const QDict *qdict);
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_BACKSPACE  0x007f
74 #define QEMU_KEY_UP         QEMU_KEY_ESC1('A')
75 #define QEMU_KEY_DOWN       QEMU_KEY_ESC1('B')
76 #define QEMU_KEY_RIGHT      QEMU_KEY_ESC1('C')
77 #define QEMU_KEY_LEFT       QEMU_KEY_ESC1('D')
78 #define QEMU_KEY_HOME       QEMU_KEY_ESC1(1)
79 #define QEMU_KEY_END        QEMU_KEY_ESC1(4)
80 #define QEMU_KEY_PAGEUP     QEMU_KEY_ESC1(5)
81 #define QEMU_KEY_PAGEDOWN   QEMU_KEY_ESC1(6)
82 #define QEMU_KEY_DELETE     QEMU_KEY_ESC1(3)
83 
84 #define QEMU_KEY_CTRL_UP         0xe400
85 #define QEMU_KEY_CTRL_DOWN       0xe401
86 #define QEMU_KEY_CTRL_LEFT       0xe402
87 #define QEMU_KEY_CTRL_RIGHT      0xe403
88 #define QEMU_KEY_CTRL_HOME       0xe404
89 #define QEMU_KEY_CTRL_END        0xe405
90 #define QEMU_KEY_CTRL_PAGEUP     0xe406
91 #define QEMU_KEY_CTRL_PAGEDOWN   0xe407
92 
93 void kbd_put_keysym_console(QemuConsole *s, int keysym);
94 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl);
95 void kbd_put_string_console(QemuConsole *s, const char *str, int len);
96 void kbd_put_keysym(int keysym);
97 
98 /* consoles */
99 
100 #define TYPE_QEMU_CONSOLE "qemu-console"
101 OBJECT_DECLARE_TYPE(QemuConsole, QemuConsoleClass, QEMU_CONSOLE)
102 
103 
104 struct QemuConsoleClass {
105     ObjectClass parent_class;
106 };
107 
108 #define QEMU_ALLOCATED_FLAG     0x01
109 #define QEMU_PLACEHOLDER_FLAG   0x02
110 
111 typedef struct ScanoutTexture {
112     uint32_t backing_id;
113     bool backing_y_0_top;
114     uint32_t backing_width;
115     uint32_t backing_height;
116     uint32_t x;
117     uint32_t y;
118     uint32_t width;
119     uint32_t height;
120 } ScanoutTexture;
121 
122 typedef struct DisplaySurface {
123     pixman_format_code_t format;
124     pixman_image_t *image;
125     uint8_t flags;
126 #ifdef CONFIG_OPENGL
127     GLenum glformat;
128     GLenum gltype;
129     GLuint texture;
130 #endif
131 } DisplaySurface;
132 
133 typedef struct QemuUIInfo {
134     /* physical dimension */
135     uint16_t width_mm;
136     uint16_t height_mm;
137     /* geometry */
138     int       xoff;
139     int       yoff;
140     uint32_t  width;
141     uint32_t  height;
142 } QemuUIInfo;
143 
144 /* cursor data format is 32bit RGBA */
145 typedef struct QEMUCursor {
146     int                 width, height;
147     int                 hot_x, hot_y;
148     int                 refcount;
149     uint32_t            data[];
150 } QEMUCursor;
151 
152 QEMUCursor *cursor_alloc(int width, int height);
153 void cursor_get(QEMUCursor *c);
154 void cursor_put(QEMUCursor *c);
155 QEMUCursor *cursor_builtin_hidden(void);
156 QEMUCursor *cursor_builtin_left_ptr(void);
157 void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
158 int cursor_get_mono_bpl(QEMUCursor *c);
159 void cursor_set_mono(QEMUCursor *c,
160                      uint32_t foreground, uint32_t background, uint8_t *image,
161                      int transparent, uint8_t *mask);
162 void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
163 void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
164 
165 typedef void *QEMUGLContext;
166 typedef struct QEMUGLParams QEMUGLParams;
167 
168 struct QEMUGLParams {
169     int major_ver;
170     int minor_ver;
171 };
172 
173 typedef struct QemuDmaBuf {
174     int       fd;
175     uint32_t  width;
176     uint32_t  height;
177     uint32_t  stride;
178     uint32_t  fourcc;
179     uint64_t  modifier;
180     uint32_t  texture;
181     uint32_t  x;
182     uint32_t  y;
183     uint32_t  scanout_width;
184     uint32_t  scanout_height;
185     bool      y0_top;
186     void      *sync;
187     int       fence_fd;
188     bool      allow_fences;
189     bool      draw_submitted;
190 } QemuDmaBuf;
191 
192 enum display_scanout {
193     SCANOUT_NONE,
194     SCANOUT_SURFACE,
195     SCANOUT_TEXTURE,
196     SCANOUT_DMABUF,
197 };
198 
199 typedef struct DisplayScanout {
200     enum display_scanout kind;
201     union {
202         /* DisplaySurface *surface; is kept in QemuConsole */
203         ScanoutTexture texture;
204         QemuDmaBuf *dmabuf;
205     };
206 } DisplayScanout;
207 
208 typedef struct DisplayState DisplayState;
209 typedef struct DisplayGLCtx DisplayGLCtx;
210 
211 typedef struct DisplayChangeListenerOps {
212     const char *dpy_name;
213 
214     /* optional */
215     void (*dpy_refresh)(DisplayChangeListener *dcl);
216 
217     /* optional */
218     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
219                            int x, int y, int w, int h);
220     /* optional */
221     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
222                            struct DisplaySurface *new_surface);
223     /* optional */
224     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
225                                  pixman_format_code_t format);
226 
227     /* optional */
228     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
229                             int x, int y);
230     /* optional */
231     void (*dpy_text_resize)(DisplayChangeListener *dcl,
232                             int w, int h);
233     /* optional */
234     void (*dpy_text_update)(DisplayChangeListener *dcl,
235                             int x, int y, int w, int h);
236 
237     /* optional */
238     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
239                           int x, int y, int on);
240     /* optional */
241     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
242                               QEMUCursor *cursor);
243 
244     /* required if GL */
245     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
246     /* required if GL */
247     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
248                                    uint32_t backing_id,
249                                    bool backing_y_0_top,
250                                    uint32_t backing_width,
251                                    uint32_t backing_height,
252                                    uint32_t x, uint32_t y,
253                                    uint32_t w, uint32_t h);
254     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
255     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
256     /* optional */
257     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
258                                   QemuDmaBuf *dmabuf);
259     /* optional */
260     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
261                                  QemuDmaBuf *dmabuf, bool have_hot,
262                                  uint32_t hot_x, uint32_t hot_y);
263     /* optional */
264     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
265                                    uint32_t pos_x, uint32_t pos_y);
266     /* optional */
267     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
268                                   QemuDmaBuf *dmabuf);
269     /* required if GL */
270     void (*dpy_gl_update)(DisplayChangeListener *dcl,
271                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
272 
273 } DisplayChangeListenerOps;
274 
275 struct DisplayChangeListener {
276     uint64_t update_interval;
277     const DisplayChangeListenerOps *ops;
278     DisplayState *ds;
279     QemuConsole *con;
280 
281     QLIST_ENTRY(DisplayChangeListener) next;
282 };
283 
284 typedef struct DisplayGLCtxOps {
285     /*
286      * We only check if the GLCtx is compatible with a DCL via ops. A natural
287      * evolution of this would be a callback to check some runtime requirements
288      * and allow various DCL kinds.
289      */
290     const DisplayChangeListenerOps *compatible_dcl;
291 
292     QEMUGLContext (*dpy_gl_ctx_create)(DisplayGLCtx *dgc,
293                                        QEMUGLParams *params);
294     void (*dpy_gl_ctx_destroy)(DisplayGLCtx *dgc,
295                                QEMUGLContext ctx);
296     int (*dpy_gl_ctx_make_current)(DisplayGLCtx *dgc,
297                                    QEMUGLContext ctx);
298 } DisplayGLCtxOps;
299 
300 struct DisplayGLCtx {
301     const DisplayGLCtxOps *ops;
302 };
303 
304 DisplayState *init_displaystate(void);
305 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
306                                                 pixman_format_code_t format,
307                                                 int linesize, uint8_t *data);
308 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
309 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
310                                                 const char *msg);
311 PixelFormat qemu_default_pixelformat(int bpp);
312 
313 DisplaySurface *qemu_create_displaysurface(int width, int height);
314 void qemu_free_displaysurface(DisplaySurface *surface);
315 
316 static inline int is_buffer_shared(DisplaySurface *surface)
317 {
318     return !(surface->flags & QEMU_ALLOCATED_FLAG);
319 }
320 
321 static inline int is_placeholder(DisplaySurface *surface)
322 {
323     return surface->flags & QEMU_PLACEHOLDER_FLAG;
324 }
325 
326 void register_displaychangelistener(DisplayChangeListener *dcl);
327 void update_displaychangelistener(DisplayChangeListener *dcl,
328                                   uint64_t interval);
329 void unregister_displaychangelistener(DisplayChangeListener *dcl);
330 
331 bool dpy_ui_info_supported(QemuConsole *con);
332 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
333 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay);
334 
335 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
336 void dpy_gfx_update_full(QemuConsole *con);
337 void dpy_gfx_replace_surface(QemuConsole *con,
338                              DisplaySurface *surface);
339 void dpy_text_cursor(QemuConsole *con, int x, int y);
340 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
341 void dpy_text_resize(QemuConsole *con, int w, int h);
342 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
343 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
344 bool dpy_cursor_define_supported(QemuConsole *con);
345 bool dpy_gfx_check_format(QemuConsole *con,
346                           pixman_format_code_t format);
347 
348 void dpy_gl_scanout_disable(QemuConsole *con);
349 void dpy_gl_scanout_texture(QemuConsole *con,
350                             uint32_t backing_id, bool backing_y_0_top,
351                             uint32_t backing_width, uint32_t backing_height,
352                             uint32_t x, uint32_t y, uint32_t w, uint32_t h);
353 void dpy_gl_scanout_dmabuf(QemuConsole *con,
354                            QemuDmaBuf *dmabuf);
355 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
356                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
357 void dpy_gl_cursor_position(QemuConsole *con,
358                             uint32_t pos_x, uint32_t pos_y);
359 void dpy_gl_release_dmabuf(QemuConsole *con,
360                            QemuDmaBuf *dmabuf);
361 void dpy_gl_update(QemuConsole *con,
362                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
363 
364 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
365                                 QEMUGLParams *params);
366 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
367 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
368 
369 bool console_has_gl(QemuConsole *con);
370 
371 static inline int surface_stride(DisplaySurface *s)
372 {
373     return pixman_image_get_stride(s->image);
374 }
375 
376 static inline void *surface_data(DisplaySurface *s)
377 {
378     return pixman_image_get_data(s->image);
379 }
380 
381 static inline int surface_width(DisplaySurface *s)
382 {
383     return pixman_image_get_width(s->image);
384 }
385 
386 static inline int surface_height(DisplaySurface *s)
387 {
388     return pixman_image_get_height(s->image);
389 }
390 
391 static inline int surface_bits_per_pixel(DisplaySurface *s)
392 {
393     int bits = PIXMAN_FORMAT_BPP(s->format);
394     return bits;
395 }
396 
397 static inline int surface_bytes_per_pixel(DisplaySurface *s)
398 {
399     int bits = PIXMAN_FORMAT_BPP(s->format);
400     return DIV_ROUND_UP(bits, 8);
401 }
402 
403 static inline pixman_format_code_t surface_format(DisplaySurface *s)
404 {
405     return s->format;
406 }
407 
408 typedef uint32_t console_ch_t;
409 
410 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
411 {
412     *dest = ch;
413 }
414 
415 enum {
416     GRAPHIC_FLAGS_NONE     = 0,
417     /* require a console/display with GL callbacks */
418     GRAPHIC_FLAGS_GL       = 1 << 0,
419     /* require a console/display with DMABUF import */
420     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
421 };
422 
423 typedef struct GraphicHwOps {
424     int (*get_flags)(void *opaque); /* optional, default 0 */
425     void (*invalidate)(void *opaque);
426     void (*gfx_update)(void *opaque);
427     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
428     void (*text_update)(void *opaque, console_ch_t *text);
429     void (*update_interval)(void *opaque, uint64_t interval);
430     int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
431     void (*gl_block)(void *opaque, bool block);
432 } GraphicHwOps;
433 
434 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
435                                   const GraphicHwOps *ops,
436                                   void *opaque);
437 void graphic_console_set_hwops(QemuConsole *con,
438                                const GraphicHwOps *hw_ops,
439                                void *opaque);
440 void graphic_console_close(QemuConsole *con);
441 
442 void graphic_hw_update(QemuConsole *con);
443 void graphic_hw_update_done(QemuConsole *con);
444 void graphic_hw_invalidate(QemuConsole *con);
445 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
446 void graphic_hw_gl_block(QemuConsole *con, bool block);
447 
448 void qemu_console_early_init(void);
449 
450 void qemu_console_set_display_gl_ctx(QemuConsole *con, DisplayGLCtx *ctx);
451 
452 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
453 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
454 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
455                                                 uint32_t head, Error **errp);
456 QemuConsole *qemu_console_lookup_unused(void);
457 bool qemu_console_is_visible(QemuConsole *con);
458 bool qemu_console_is_graphic(QemuConsole *con);
459 bool qemu_console_is_fixedsize(QemuConsole *con);
460 bool qemu_console_is_gl_blocked(QemuConsole *con);
461 char *qemu_console_get_label(QemuConsole *con);
462 int qemu_console_get_index(QemuConsole *con);
463 uint32_t qemu_console_get_head(QemuConsole *con);
464 int qemu_console_get_width(QemuConsole *con, int fallback);
465 int qemu_console_get_height(QemuConsole *con, int fallback);
466 /* Return the low-level window id for the console */
467 int qemu_console_get_window_id(QemuConsole *con);
468 /* Set the low-level window id for the console */
469 void qemu_console_set_window_id(QemuConsole *con, int window_id);
470 
471 void console_select(unsigned int index);
472 void qemu_console_resize(QemuConsole *con, int width, int height);
473 DisplaySurface *qemu_console_surface(QemuConsole *con);
474 
475 /* console-gl.c */
476 #ifdef CONFIG_OPENGL
477 bool console_gl_check_format(DisplayChangeListener *dcl,
478                              pixman_format_code_t format);
479 void surface_gl_create_texture(QemuGLShader *gls,
480                                DisplaySurface *surface);
481 void surface_gl_update_texture(QemuGLShader *gls,
482                                DisplaySurface *surface,
483                                int x, int y, int w, int h);
484 void surface_gl_render_texture(QemuGLShader *gls,
485                                DisplaySurface *surface);
486 void surface_gl_destroy_texture(QemuGLShader *gls,
487                                DisplaySurface *surface);
488 void surface_gl_setup_viewport(QemuGLShader *gls,
489                                DisplaySurface *surface,
490                                int ww, int wh);
491 #endif
492 
493 typedef struct QemuDisplay QemuDisplay;
494 
495 struct QemuDisplay {
496     DisplayType type;
497     void (*early_init)(DisplayOptions *opts);
498     void (*init)(DisplayState *ds, DisplayOptions *opts);
499 };
500 
501 void qemu_display_register(QemuDisplay *ui);
502 bool qemu_display_find_default(DisplayOptions *opts);
503 void qemu_display_early_init(DisplayOptions *opts);
504 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
505 void qemu_display_help(void);
506 
507 /* vnc.c */
508 void vnc_display_init(const char *id, Error **errp);
509 void vnc_display_open(const char *id, Error **errp);
510 void vnc_display_add_client(const char *id, int csock, bool skipauth);
511 int vnc_display_password(const char *id, const char *password);
512 int vnc_display_pw_expire(const char *id, time_t expires);
513 void vnc_parse(const char *str);
514 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
515 bool vnc_display_reload_certs(const char *id,  Error **errp);
516 
517 /* input.c */
518 int index_from_key(const char *key, size_t key_length);
519 
520 #ifdef CONFIG_LINUX
521 /* udmabuf.c */
522 int udmabuf_fd(void);
523 #endif
524 
525 /* util.c */
526 bool qemu_console_fill_device_address(QemuConsole *con,
527                                       char *device_address,
528                                       size_t size,
529                                       Error **errp);
530 
531 #endif
532