xref: /openbmc/qemu/include/ui/console.h (revision a8dc82ce)
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 
110 typedef struct DisplaySurface {
111     pixman_format_code_t format;
112     pixman_image_t *image;
113     uint8_t flags;
114 #ifdef CONFIG_OPENGL
115     GLenum glformat;
116     GLenum gltype;
117     GLuint texture;
118 #endif
119 } DisplaySurface;
120 
121 typedef struct QemuUIInfo {
122     /* physical dimension */
123     uint16_t width_mm;
124     uint16_t height_mm;
125     /* geometry */
126     int       xoff;
127     int       yoff;
128     uint32_t  width;
129     uint32_t  height;
130 } QemuUIInfo;
131 
132 /* cursor data format is 32bit RGBA */
133 typedef struct QEMUCursor {
134     int                 width, height;
135     int                 hot_x, hot_y;
136     int                 refcount;
137     uint32_t            data[];
138 } QEMUCursor;
139 
140 QEMUCursor *cursor_alloc(int width, int height);
141 void cursor_get(QEMUCursor *c);
142 void cursor_put(QEMUCursor *c);
143 QEMUCursor *cursor_builtin_hidden(void);
144 QEMUCursor *cursor_builtin_left_ptr(void);
145 void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
146 int cursor_get_mono_bpl(QEMUCursor *c);
147 void cursor_set_mono(QEMUCursor *c,
148                      uint32_t foreground, uint32_t background, uint8_t *image,
149                      int transparent, uint8_t *mask);
150 void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
151 void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
152 
153 typedef void *QEMUGLContext;
154 typedef struct QEMUGLParams QEMUGLParams;
155 
156 struct QEMUGLParams {
157     int major_ver;
158     int minor_ver;
159 };
160 
161 typedef struct QemuDmaBuf {
162     int       fd;
163     uint32_t  width;
164     uint32_t  height;
165     uint32_t  stride;
166     uint32_t  fourcc;
167     uint64_t  modifier;
168     uint32_t  texture;
169     bool      y0_top;
170 } QemuDmaBuf;
171 
172 typedef struct DisplayState DisplayState;
173 
174 typedef struct DisplayChangeListenerOps {
175     const char *dpy_name;
176 
177     /* optional */
178     void (*dpy_refresh)(DisplayChangeListener *dcl);
179 
180     /* optional */
181     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
182                            int x, int y, int w, int h);
183     /* optional */
184     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
185                            struct DisplaySurface *new_surface);
186     /* optional */
187     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
188                                  pixman_format_code_t format);
189 
190     /* optional */
191     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
192                             int x, int y);
193     /* optional */
194     void (*dpy_text_resize)(DisplayChangeListener *dcl,
195                             int w, int h);
196     /* optional */
197     void (*dpy_text_update)(DisplayChangeListener *dcl,
198                             int x, int y, int w, int h);
199 
200     /* optional */
201     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
202                           int x, int y, int on);
203     /* optional */
204     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
205                               QEMUCursor *cursor);
206 
207     /* required if GL */
208     QEMUGLContext (*dpy_gl_ctx_create)(DisplayChangeListener *dcl,
209                                        QEMUGLParams *params);
210     /* required if GL */
211     void (*dpy_gl_ctx_destroy)(DisplayChangeListener *dcl,
212                                QEMUGLContext ctx);
213     /* required if GL */
214     int (*dpy_gl_ctx_make_current)(DisplayChangeListener *dcl,
215                                    QEMUGLContext ctx);
216 
217     /* required if GL */
218     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
219     /* required if GL */
220     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
221                                    uint32_t backing_id,
222                                    bool backing_y_0_top,
223                                    uint32_t backing_width,
224                                    uint32_t backing_height,
225                                    uint32_t x, uint32_t y,
226                                    uint32_t w, uint32_t h);
227     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
228     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
229     /* optional */
230     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
231                                   QemuDmaBuf *dmabuf);
232     /* optional */
233     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
234                                  QemuDmaBuf *dmabuf, bool have_hot,
235                                  uint32_t hot_x, uint32_t hot_y);
236     /* optional */
237     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
238                                    uint32_t pos_x, uint32_t pos_y);
239     /* optional */
240     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
241                                   QemuDmaBuf *dmabuf);
242     /* required if GL */
243     void (*dpy_gl_update)(DisplayChangeListener *dcl,
244                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
245 
246 } DisplayChangeListenerOps;
247 
248 struct DisplayChangeListener {
249     uint64_t update_interval;
250     const DisplayChangeListenerOps *ops;
251     DisplayState *ds;
252     QemuConsole *con;
253 
254     QLIST_ENTRY(DisplayChangeListener) next;
255 };
256 
257 DisplayState *init_displaystate(void);
258 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
259                                                 pixman_format_code_t format,
260                                                 int linesize, uint8_t *data);
261 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
262 DisplaySurface *qemu_create_message_surface(int w, int h,
263                                             const char *msg);
264 PixelFormat qemu_default_pixelformat(int bpp);
265 
266 DisplaySurface *qemu_create_displaysurface(int width, int height);
267 void qemu_free_displaysurface(DisplaySurface *surface);
268 
269 static inline int is_surface_bgr(DisplaySurface *surface)
270 {
271     if (PIXMAN_FORMAT_BPP(surface->format) == 32 &&
272         PIXMAN_FORMAT_TYPE(surface->format) == PIXMAN_TYPE_ABGR) {
273         return 1;
274     } else {
275         return 0;
276     }
277 }
278 
279 static inline int is_buffer_shared(DisplaySurface *surface)
280 {
281     return !(surface->flags & QEMU_ALLOCATED_FLAG);
282 }
283 
284 void register_displaychangelistener(DisplayChangeListener *dcl);
285 void update_displaychangelistener(DisplayChangeListener *dcl,
286                                   uint64_t interval);
287 void unregister_displaychangelistener(DisplayChangeListener *dcl);
288 
289 bool dpy_ui_info_supported(QemuConsole *con);
290 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
291 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info);
292 
293 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
294 void dpy_gfx_update_full(QemuConsole *con);
295 void dpy_gfx_replace_surface(QemuConsole *con,
296                              DisplaySurface *surface);
297 void dpy_text_cursor(QemuConsole *con, int x, int y);
298 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
299 void dpy_text_resize(QemuConsole *con, int w, int h);
300 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
301 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
302 bool dpy_cursor_define_supported(QemuConsole *con);
303 bool dpy_gfx_check_format(QemuConsole *con,
304                           pixman_format_code_t format);
305 
306 void dpy_gl_scanout_disable(QemuConsole *con);
307 void dpy_gl_scanout_texture(QemuConsole *con,
308                             uint32_t backing_id, bool backing_y_0_top,
309                             uint32_t backing_width, uint32_t backing_height,
310                             uint32_t x, uint32_t y, uint32_t w, uint32_t h);
311 void dpy_gl_scanout_dmabuf(QemuConsole *con,
312                            QemuDmaBuf *dmabuf);
313 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
314                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
315 void dpy_gl_cursor_position(QemuConsole *con,
316                             uint32_t pos_x, uint32_t pos_y);
317 void dpy_gl_release_dmabuf(QemuConsole *con,
318                            QemuDmaBuf *dmabuf);
319 void dpy_gl_update(QemuConsole *con,
320                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
321 
322 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
323                                 QEMUGLParams *params);
324 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
325 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
326 
327 bool console_has_gl(QemuConsole *con);
328 
329 static inline int surface_stride(DisplaySurface *s)
330 {
331     return pixman_image_get_stride(s->image);
332 }
333 
334 static inline void *surface_data(DisplaySurface *s)
335 {
336     return pixman_image_get_data(s->image);
337 }
338 
339 static inline int surface_width(DisplaySurface *s)
340 {
341     return pixman_image_get_width(s->image);
342 }
343 
344 static inline int surface_height(DisplaySurface *s)
345 {
346     return pixman_image_get_height(s->image);
347 }
348 
349 static inline int surface_bits_per_pixel(DisplaySurface *s)
350 {
351     int bits = PIXMAN_FORMAT_BPP(s->format);
352     return bits;
353 }
354 
355 static inline int surface_bytes_per_pixel(DisplaySurface *s)
356 {
357     int bits = PIXMAN_FORMAT_BPP(s->format);
358     return DIV_ROUND_UP(bits, 8);
359 }
360 
361 static inline pixman_format_code_t surface_format(DisplaySurface *s)
362 {
363     return s->format;
364 }
365 
366 typedef uint32_t console_ch_t;
367 
368 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
369 {
370     *dest = ch;
371 }
372 
373 enum {
374     GRAPHIC_FLAGS_NONE     = 0,
375     /* require a console/display with GL callbacks */
376     GRAPHIC_FLAGS_GL       = 1 << 0,
377     /* require a console/display with DMABUF import */
378     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
379 };
380 
381 typedef struct GraphicHwOps {
382     int (*get_flags)(void *opaque); /* optional, default 0 */
383     void (*invalidate)(void *opaque);
384     void (*gfx_update)(void *opaque);
385     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
386     void (*text_update)(void *opaque, console_ch_t *text);
387     void (*update_interval)(void *opaque, uint64_t interval);
388     int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
389     void (*gl_block)(void *opaque, bool block);
390     void (*gl_flushed)(void *opaque);
391 } GraphicHwOps;
392 
393 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
394                                   const GraphicHwOps *ops,
395                                   void *opaque);
396 void graphic_console_set_hwops(QemuConsole *con,
397                                const GraphicHwOps *hw_ops,
398                                void *opaque);
399 void graphic_console_close(QemuConsole *con);
400 
401 void graphic_hw_update(QemuConsole *con);
402 void graphic_hw_update_done(QemuConsole *con);
403 void graphic_hw_invalidate(QemuConsole *con);
404 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
405 void graphic_hw_gl_block(QemuConsole *con, bool block);
406 void graphic_hw_gl_flushed(QemuConsole *con);
407 
408 void qemu_console_early_init(void);
409 
410 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
411 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
412 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
413                                                 uint32_t head, Error **errp);
414 QemuConsole *qemu_console_lookup_unused(void);
415 bool qemu_console_is_visible(QemuConsole *con);
416 bool qemu_console_is_graphic(QemuConsole *con);
417 bool qemu_console_is_fixedsize(QemuConsole *con);
418 bool qemu_console_is_gl_blocked(QemuConsole *con);
419 char *qemu_console_get_label(QemuConsole *con);
420 int qemu_console_get_index(QemuConsole *con);
421 uint32_t qemu_console_get_head(QemuConsole *con);
422 int qemu_console_get_width(QemuConsole *con, int fallback);
423 int qemu_console_get_height(QemuConsole *con, int fallback);
424 /* Return the low-level window id for the console */
425 int qemu_console_get_window_id(QemuConsole *con);
426 /* Set the low-level window id for the console */
427 void qemu_console_set_window_id(QemuConsole *con, int window_id);
428 
429 void console_select(unsigned int index);
430 void qemu_console_resize(QemuConsole *con, int width, int height);
431 DisplaySurface *qemu_console_surface(QemuConsole *con);
432 
433 /* console-gl.c */
434 #ifdef CONFIG_OPENGL
435 bool console_gl_check_format(DisplayChangeListener *dcl,
436                              pixman_format_code_t format);
437 void surface_gl_create_texture(QemuGLShader *gls,
438                                DisplaySurface *surface);
439 void surface_gl_update_texture(QemuGLShader *gls,
440                                DisplaySurface *surface,
441                                int x, int y, int w, int h);
442 void surface_gl_render_texture(QemuGLShader *gls,
443                                DisplaySurface *surface);
444 void surface_gl_destroy_texture(QemuGLShader *gls,
445                                DisplaySurface *surface);
446 void surface_gl_setup_viewport(QemuGLShader *gls,
447                                DisplaySurface *surface,
448                                int ww, int wh);
449 #endif
450 
451 typedef struct QemuDisplay QemuDisplay;
452 
453 struct QemuDisplay {
454     DisplayType type;
455     void (*early_init)(DisplayOptions *opts);
456     void (*init)(DisplayState *ds, DisplayOptions *opts);
457 };
458 
459 void qemu_display_register(QemuDisplay *ui);
460 bool qemu_display_find_default(DisplayOptions *opts);
461 void qemu_display_early_init(DisplayOptions *opts);
462 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
463 void qemu_display_help(void);
464 
465 /* vnc.c */
466 void vnc_display_init(const char *id, Error **errp);
467 void vnc_display_open(const char *id, Error **errp);
468 void vnc_display_add_client(const char *id, int csock, bool skipauth);
469 int vnc_display_password(const char *id, const char *password);
470 int vnc_display_pw_expire(const char *id, time_t expires);
471 void vnc_parse(const char *str);
472 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
473 
474 /* input.c */
475 int index_from_key(const char *key, size_t key_length);
476 
477 #endif
478