xref: /openbmc/qemu/include/ui/console.h (revision 6d9abb6d)
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 DisplaySurface {
112     pixman_format_code_t format;
113     pixman_image_t *image;
114     uint8_t flags;
115 #ifdef CONFIG_OPENGL
116     GLenum glformat;
117     GLenum gltype;
118     GLuint texture;
119 #endif
120 } DisplaySurface;
121 
122 typedef struct QemuUIInfo {
123     /* physical dimension */
124     uint16_t width_mm;
125     uint16_t height_mm;
126     /* geometry */
127     int       xoff;
128     int       yoff;
129     uint32_t  width;
130     uint32_t  height;
131 } QemuUIInfo;
132 
133 /* cursor data format is 32bit RGBA */
134 typedef struct QEMUCursor {
135     int                 width, height;
136     int                 hot_x, hot_y;
137     int                 refcount;
138     uint32_t            data[];
139 } QEMUCursor;
140 
141 QEMUCursor *cursor_alloc(int width, int height);
142 void cursor_get(QEMUCursor *c);
143 void cursor_put(QEMUCursor *c);
144 QEMUCursor *cursor_builtin_hidden(void);
145 QEMUCursor *cursor_builtin_left_ptr(void);
146 void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
147 int cursor_get_mono_bpl(QEMUCursor *c);
148 void cursor_set_mono(QEMUCursor *c,
149                      uint32_t foreground, uint32_t background, uint8_t *image,
150                      int transparent, uint8_t *mask);
151 void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
152 void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
153 
154 typedef void *QEMUGLContext;
155 typedef struct QEMUGLParams QEMUGLParams;
156 
157 struct QEMUGLParams {
158     int major_ver;
159     int minor_ver;
160 };
161 
162 typedef struct QemuDmaBuf {
163     int       fd;
164     uint32_t  width;
165     uint32_t  height;
166     uint32_t  stride;
167     uint32_t  fourcc;
168     uint64_t  modifier;
169     uint32_t  texture;
170     bool      y0_top;
171 } QemuDmaBuf;
172 
173 typedef struct DisplayState DisplayState;
174 
175 typedef struct DisplayChangeListenerOps {
176     const char *dpy_name;
177 
178     /* optional */
179     void (*dpy_refresh)(DisplayChangeListener *dcl);
180 
181     /* optional */
182     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
183                            int x, int y, int w, int h);
184     /* optional */
185     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
186                            struct DisplaySurface *new_surface);
187     /* optional */
188     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
189                                  pixman_format_code_t format);
190 
191     /* optional */
192     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
193                             int x, int y);
194     /* optional */
195     void (*dpy_text_resize)(DisplayChangeListener *dcl,
196                             int w, int h);
197     /* optional */
198     void (*dpy_text_update)(DisplayChangeListener *dcl,
199                             int x, int y, int w, int h);
200 
201     /* optional */
202     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
203                           int x, int y, int on);
204     /* optional */
205     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
206                               QEMUCursor *cursor);
207 
208     /* required if GL */
209     QEMUGLContext (*dpy_gl_ctx_create)(DisplayChangeListener *dcl,
210                                        QEMUGLParams *params);
211     /* required if GL */
212     void (*dpy_gl_ctx_destroy)(DisplayChangeListener *dcl,
213                                QEMUGLContext ctx);
214     /* required if GL */
215     int (*dpy_gl_ctx_make_current)(DisplayChangeListener *dcl,
216                                    QEMUGLContext ctx);
217 
218     /* required if GL */
219     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
220     /* required if GL */
221     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
222                                    uint32_t backing_id,
223                                    bool backing_y_0_top,
224                                    uint32_t backing_width,
225                                    uint32_t backing_height,
226                                    uint32_t x, uint32_t y,
227                                    uint32_t w, uint32_t h);
228     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
229     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
230     /* optional */
231     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
232                                   QemuDmaBuf *dmabuf);
233     /* optional */
234     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
235                                  QemuDmaBuf *dmabuf, bool have_hot,
236                                  uint32_t hot_x, uint32_t hot_y);
237     /* optional */
238     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
239                                    uint32_t pos_x, uint32_t pos_y);
240     /* optional */
241     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
242                                   QemuDmaBuf *dmabuf);
243     /* required if GL */
244     void (*dpy_gl_update)(DisplayChangeListener *dcl,
245                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
246 
247 } DisplayChangeListenerOps;
248 
249 struct DisplayChangeListener {
250     uint64_t update_interval;
251     const DisplayChangeListenerOps *ops;
252     DisplayState *ds;
253     QemuConsole *con;
254 
255     QLIST_ENTRY(DisplayChangeListener) next;
256 };
257 
258 DisplayState *init_displaystate(void);
259 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
260                                                 pixman_format_code_t format,
261                                                 int linesize, uint8_t *data);
262 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
263 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
264                                                 const char *msg);
265 PixelFormat qemu_default_pixelformat(int bpp);
266 
267 DisplaySurface *qemu_create_displaysurface(int width, int height);
268 void qemu_free_displaysurface(DisplaySurface *surface);
269 
270 static inline int is_surface_bgr(DisplaySurface *surface)
271 {
272     if (PIXMAN_FORMAT_BPP(surface->format) == 32 &&
273         PIXMAN_FORMAT_TYPE(surface->format) == PIXMAN_TYPE_ABGR) {
274         return 1;
275     } else {
276         return 0;
277     }
278 }
279 
280 static inline int is_buffer_shared(DisplaySurface *surface)
281 {
282     return !(surface->flags & QEMU_ALLOCATED_FLAG);
283 }
284 
285 static inline int is_placeholder(DisplaySurface *surface)
286 {
287     return surface->flags & QEMU_PLACEHOLDER_FLAG;
288 }
289 
290 void register_displaychangelistener(DisplayChangeListener *dcl);
291 void update_displaychangelistener(DisplayChangeListener *dcl,
292                                   uint64_t interval);
293 void unregister_displaychangelistener(DisplayChangeListener *dcl);
294 
295 bool dpy_ui_info_supported(QemuConsole *con);
296 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
297 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info);
298 
299 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
300 void dpy_gfx_update_full(QemuConsole *con);
301 void dpy_gfx_replace_surface(QemuConsole *con,
302                              DisplaySurface *surface);
303 void dpy_text_cursor(QemuConsole *con, int x, int y);
304 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
305 void dpy_text_resize(QemuConsole *con, int w, int h);
306 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
307 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
308 bool dpy_cursor_define_supported(QemuConsole *con);
309 bool dpy_gfx_check_format(QemuConsole *con,
310                           pixman_format_code_t format);
311 
312 void dpy_gl_scanout_disable(QemuConsole *con);
313 void dpy_gl_scanout_texture(QemuConsole *con,
314                             uint32_t backing_id, bool backing_y_0_top,
315                             uint32_t backing_width, uint32_t backing_height,
316                             uint32_t x, uint32_t y, uint32_t w, uint32_t h);
317 void dpy_gl_scanout_dmabuf(QemuConsole *con,
318                            QemuDmaBuf *dmabuf);
319 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
320                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
321 void dpy_gl_cursor_position(QemuConsole *con,
322                             uint32_t pos_x, uint32_t pos_y);
323 void dpy_gl_release_dmabuf(QemuConsole *con,
324                            QemuDmaBuf *dmabuf);
325 void dpy_gl_update(QemuConsole *con,
326                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
327 
328 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
329                                 QEMUGLParams *params);
330 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
331 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
332 
333 bool console_has_gl(QemuConsole *con);
334 
335 static inline int surface_stride(DisplaySurface *s)
336 {
337     return pixman_image_get_stride(s->image);
338 }
339 
340 static inline void *surface_data(DisplaySurface *s)
341 {
342     return pixman_image_get_data(s->image);
343 }
344 
345 static inline int surface_width(DisplaySurface *s)
346 {
347     return pixman_image_get_width(s->image);
348 }
349 
350 static inline int surface_height(DisplaySurface *s)
351 {
352     return pixman_image_get_height(s->image);
353 }
354 
355 static inline int surface_bits_per_pixel(DisplaySurface *s)
356 {
357     int bits = PIXMAN_FORMAT_BPP(s->format);
358     return bits;
359 }
360 
361 static inline int surface_bytes_per_pixel(DisplaySurface *s)
362 {
363     int bits = PIXMAN_FORMAT_BPP(s->format);
364     return DIV_ROUND_UP(bits, 8);
365 }
366 
367 static inline pixman_format_code_t surface_format(DisplaySurface *s)
368 {
369     return s->format;
370 }
371 
372 typedef uint32_t console_ch_t;
373 
374 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
375 {
376     *dest = ch;
377 }
378 
379 enum {
380     GRAPHIC_FLAGS_NONE     = 0,
381     /* require a console/display with GL callbacks */
382     GRAPHIC_FLAGS_GL       = 1 << 0,
383     /* require a console/display with DMABUF import */
384     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
385 };
386 
387 typedef struct GraphicHwOps {
388     int (*get_flags)(void *opaque); /* optional, default 0 */
389     void (*invalidate)(void *opaque);
390     void (*gfx_update)(void *opaque);
391     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
392     void (*text_update)(void *opaque, console_ch_t *text);
393     void (*update_interval)(void *opaque, uint64_t interval);
394     int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
395     void (*gl_block)(void *opaque, bool block);
396     void (*gl_flushed)(void *opaque);
397 } GraphicHwOps;
398 
399 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
400                                   const GraphicHwOps *ops,
401                                   void *opaque);
402 void graphic_console_set_hwops(QemuConsole *con,
403                                const GraphicHwOps *hw_ops,
404                                void *opaque);
405 void graphic_console_close(QemuConsole *con);
406 
407 void graphic_hw_update(QemuConsole *con);
408 void graphic_hw_update_done(QemuConsole *con);
409 void graphic_hw_invalidate(QemuConsole *con);
410 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
411 void graphic_hw_gl_block(QemuConsole *con, bool block);
412 void graphic_hw_gl_flushed(QemuConsole *con);
413 
414 void qemu_console_early_init(void);
415 
416 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
417 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
418 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
419                                                 uint32_t head, Error **errp);
420 QemuConsole *qemu_console_lookup_unused(void);
421 bool qemu_console_is_visible(QemuConsole *con);
422 bool qemu_console_is_graphic(QemuConsole *con);
423 bool qemu_console_is_fixedsize(QemuConsole *con);
424 bool qemu_console_is_gl_blocked(QemuConsole *con);
425 char *qemu_console_get_label(QemuConsole *con);
426 int qemu_console_get_index(QemuConsole *con);
427 uint32_t qemu_console_get_head(QemuConsole *con);
428 int qemu_console_get_width(QemuConsole *con, int fallback);
429 int qemu_console_get_height(QemuConsole *con, int fallback);
430 /* Return the low-level window id for the console */
431 int qemu_console_get_window_id(QemuConsole *con);
432 /* Set the low-level window id for the console */
433 void qemu_console_set_window_id(QemuConsole *con, int window_id);
434 
435 void console_select(unsigned int index);
436 void qemu_console_resize(QemuConsole *con, int width, int height);
437 DisplaySurface *qemu_console_surface(QemuConsole *con);
438 
439 /* console-gl.c */
440 #ifdef CONFIG_OPENGL
441 bool console_gl_check_format(DisplayChangeListener *dcl,
442                              pixman_format_code_t format);
443 void surface_gl_create_texture(QemuGLShader *gls,
444                                DisplaySurface *surface);
445 void surface_gl_update_texture(QemuGLShader *gls,
446                                DisplaySurface *surface,
447                                int x, int y, int w, int h);
448 void surface_gl_render_texture(QemuGLShader *gls,
449                                DisplaySurface *surface);
450 void surface_gl_destroy_texture(QemuGLShader *gls,
451                                DisplaySurface *surface);
452 void surface_gl_setup_viewport(QemuGLShader *gls,
453                                DisplaySurface *surface,
454                                int ww, int wh);
455 #endif
456 
457 typedef struct QemuDisplay QemuDisplay;
458 
459 struct QemuDisplay {
460     DisplayType type;
461     void (*early_init)(DisplayOptions *opts);
462     void (*init)(DisplayState *ds, DisplayOptions *opts);
463 };
464 
465 void qemu_display_register(QemuDisplay *ui);
466 bool qemu_display_find_default(DisplayOptions *opts);
467 void qemu_display_early_init(DisplayOptions *opts);
468 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
469 void qemu_display_help(void);
470 
471 /* vnc.c */
472 void vnc_display_init(const char *id, Error **errp);
473 void vnc_display_open(const char *id, Error **errp);
474 void vnc_display_add_client(const char *id, int csock, bool skipauth);
475 int vnc_display_password(const char *id, const char *password);
476 int vnc_display_pw_expire(const char *id, time_t expires);
477 void vnc_parse(const char *str);
478 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
479 
480 /* input.c */
481 int index_from_key(const char *key, size_t key_length);
482 
483 #endif
484