xref: /openbmc/qemu/include/ui/console.h (revision f13f22ba)
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     uint32_t  x;
171     uint32_t  y;
172     uint32_t  scanout_width;
173     uint32_t  scanout_height;
174     bool      y0_top;
175     void      *sync;
176     int       fence_fd;
177     bool      allow_fences;
178     bool      draw_submitted;
179 } QemuDmaBuf;
180 
181 typedef struct DisplayState DisplayState;
182 
183 typedef struct DisplayChangeListenerOps {
184     const char *dpy_name;
185 
186     /* optional */
187     void (*dpy_refresh)(DisplayChangeListener *dcl);
188 
189     /* optional */
190     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
191                            int x, int y, int w, int h);
192     /* optional */
193     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
194                            struct DisplaySurface *new_surface);
195     /* optional */
196     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
197                                  pixman_format_code_t format);
198 
199     /* optional */
200     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
201                             int x, int y);
202     /* optional */
203     void (*dpy_text_resize)(DisplayChangeListener *dcl,
204                             int w, int h);
205     /* optional */
206     void (*dpy_text_update)(DisplayChangeListener *dcl,
207                             int x, int y, int w, int h);
208 
209     /* optional */
210     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
211                           int x, int y, int on);
212     /* optional */
213     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
214                               QEMUCursor *cursor);
215 
216     /* required if GL */
217     QEMUGLContext (*dpy_gl_ctx_create)(DisplayChangeListener *dcl,
218                                        QEMUGLParams *params);
219     /* required if GL */
220     void (*dpy_gl_ctx_destroy)(DisplayChangeListener *dcl,
221                                QEMUGLContext ctx);
222     /* required if GL */
223     int (*dpy_gl_ctx_make_current)(DisplayChangeListener *dcl,
224                                    QEMUGLContext ctx);
225 
226     /* required if GL */
227     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
228     /* required if GL */
229     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
230                                    uint32_t backing_id,
231                                    bool backing_y_0_top,
232                                    uint32_t backing_width,
233                                    uint32_t backing_height,
234                                    uint32_t x, uint32_t y,
235                                    uint32_t w, uint32_t h);
236     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
237     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
238     /* optional */
239     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
240                                   QemuDmaBuf *dmabuf);
241     /* optional */
242     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
243                                  QemuDmaBuf *dmabuf, bool have_hot,
244                                  uint32_t hot_x, uint32_t hot_y);
245     /* optional */
246     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
247                                    uint32_t pos_x, uint32_t pos_y);
248     /* optional */
249     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
250                                   QemuDmaBuf *dmabuf);
251     /* required if GL */
252     void (*dpy_gl_update)(DisplayChangeListener *dcl,
253                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
254 
255 } DisplayChangeListenerOps;
256 
257 struct DisplayChangeListener {
258     uint64_t update_interval;
259     const DisplayChangeListenerOps *ops;
260     DisplayState *ds;
261     QemuConsole *con;
262 
263     QLIST_ENTRY(DisplayChangeListener) next;
264 };
265 
266 DisplayState *init_displaystate(void);
267 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
268                                                 pixman_format_code_t format,
269                                                 int linesize, uint8_t *data);
270 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
271 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
272                                                 const char *msg);
273 PixelFormat qemu_default_pixelformat(int bpp);
274 
275 DisplaySurface *qemu_create_displaysurface(int width, int height);
276 void qemu_free_displaysurface(DisplaySurface *surface);
277 
278 static inline int is_buffer_shared(DisplaySurface *surface)
279 {
280     return !(surface->flags & QEMU_ALLOCATED_FLAG);
281 }
282 
283 static inline int is_placeholder(DisplaySurface *surface)
284 {
285     return surface->flags & QEMU_PLACEHOLDER_FLAG;
286 }
287 
288 void register_displaychangelistener(DisplayChangeListener *dcl);
289 void update_displaychangelistener(DisplayChangeListener *dcl,
290                                   uint64_t interval);
291 void unregister_displaychangelistener(DisplayChangeListener *dcl);
292 
293 bool dpy_ui_info_supported(QemuConsole *con);
294 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
295 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info);
296 
297 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
298 void dpy_gfx_update_full(QemuConsole *con);
299 void dpy_gfx_replace_surface(QemuConsole *con,
300                              DisplaySurface *surface);
301 void dpy_text_cursor(QemuConsole *con, int x, int y);
302 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
303 void dpy_text_resize(QemuConsole *con, int w, int h);
304 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
305 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
306 bool dpy_cursor_define_supported(QemuConsole *con);
307 bool dpy_gfx_check_format(QemuConsole *con,
308                           pixman_format_code_t format);
309 
310 void dpy_gl_scanout_disable(QemuConsole *con);
311 void dpy_gl_scanout_texture(QemuConsole *con,
312                             uint32_t backing_id, bool backing_y_0_top,
313                             uint32_t backing_width, uint32_t backing_height,
314                             uint32_t x, uint32_t y, uint32_t w, uint32_t h);
315 void dpy_gl_scanout_dmabuf(QemuConsole *con,
316                            QemuDmaBuf *dmabuf);
317 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
318                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
319 void dpy_gl_cursor_position(QemuConsole *con,
320                             uint32_t pos_x, uint32_t pos_y);
321 void dpy_gl_release_dmabuf(QemuConsole *con,
322                            QemuDmaBuf *dmabuf);
323 void dpy_gl_update(QemuConsole *con,
324                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
325 
326 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
327                                 QEMUGLParams *params);
328 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
329 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
330 
331 bool console_has_gl(QemuConsole *con);
332 
333 static inline int surface_stride(DisplaySurface *s)
334 {
335     return pixman_image_get_stride(s->image);
336 }
337 
338 static inline void *surface_data(DisplaySurface *s)
339 {
340     return pixman_image_get_data(s->image);
341 }
342 
343 static inline int surface_width(DisplaySurface *s)
344 {
345     return pixman_image_get_width(s->image);
346 }
347 
348 static inline int surface_height(DisplaySurface *s)
349 {
350     return pixman_image_get_height(s->image);
351 }
352 
353 static inline int surface_bits_per_pixel(DisplaySurface *s)
354 {
355     int bits = PIXMAN_FORMAT_BPP(s->format);
356     return bits;
357 }
358 
359 static inline int surface_bytes_per_pixel(DisplaySurface *s)
360 {
361     int bits = PIXMAN_FORMAT_BPP(s->format);
362     return DIV_ROUND_UP(bits, 8);
363 }
364 
365 static inline pixman_format_code_t surface_format(DisplaySurface *s)
366 {
367     return s->format;
368 }
369 
370 typedef uint32_t console_ch_t;
371 
372 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
373 {
374     *dest = ch;
375 }
376 
377 enum {
378     GRAPHIC_FLAGS_NONE     = 0,
379     /* require a console/display with GL callbacks */
380     GRAPHIC_FLAGS_GL       = 1 << 0,
381     /* require a console/display with DMABUF import */
382     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
383 };
384 
385 typedef struct GraphicHwOps {
386     int (*get_flags)(void *opaque); /* optional, default 0 */
387     void (*invalidate)(void *opaque);
388     void (*gfx_update)(void *opaque);
389     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
390     void (*text_update)(void *opaque, console_ch_t *text);
391     void (*update_interval)(void *opaque, uint64_t interval);
392     int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
393     void (*gl_block)(void *opaque, bool block);
394     void (*gl_flushed)(void *opaque);
395 } GraphicHwOps;
396 
397 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
398                                   const GraphicHwOps *ops,
399                                   void *opaque);
400 void graphic_console_set_hwops(QemuConsole *con,
401                                const GraphicHwOps *hw_ops,
402                                void *opaque);
403 void graphic_console_close(QemuConsole *con);
404 
405 void graphic_hw_update(QemuConsole *con);
406 void graphic_hw_update_done(QemuConsole *con);
407 void graphic_hw_invalidate(QemuConsole *con);
408 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
409 void graphic_hw_gl_block(QemuConsole *con, bool block);
410 void graphic_hw_gl_flushed(QemuConsole *con);
411 
412 void qemu_console_early_init(void);
413 
414 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
415 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
416 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
417                                                 uint32_t head, Error **errp);
418 QemuConsole *qemu_console_lookup_unused(void);
419 bool qemu_console_is_visible(QemuConsole *con);
420 bool qemu_console_is_graphic(QemuConsole *con);
421 bool qemu_console_is_fixedsize(QemuConsole *con);
422 bool qemu_console_is_gl_blocked(QemuConsole *con);
423 char *qemu_console_get_label(QemuConsole *con);
424 int qemu_console_get_index(QemuConsole *con);
425 uint32_t qemu_console_get_head(QemuConsole *con);
426 int qemu_console_get_width(QemuConsole *con, int fallback);
427 int qemu_console_get_height(QemuConsole *con, int fallback);
428 /* Return the low-level window id for the console */
429 int qemu_console_get_window_id(QemuConsole *con);
430 /* Set the low-level window id for the console */
431 void qemu_console_set_window_id(QemuConsole *con, int window_id);
432 
433 void console_select(unsigned int index);
434 void qemu_console_resize(QemuConsole *con, int width, int height);
435 DisplaySurface *qemu_console_surface(QemuConsole *con);
436 
437 /* console-gl.c */
438 #ifdef CONFIG_OPENGL
439 bool console_gl_check_format(DisplayChangeListener *dcl,
440                              pixman_format_code_t format);
441 void surface_gl_create_texture(QemuGLShader *gls,
442                                DisplaySurface *surface);
443 void surface_gl_update_texture(QemuGLShader *gls,
444                                DisplaySurface *surface,
445                                int x, int y, int w, int h);
446 void surface_gl_render_texture(QemuGLShader *gls,
447                                DisplaySurface *surface);
448 void surface_gl_destroy_texture(QemuGLShader *gls,
449                                DisplaySurface *surface);
450 void surface_gl_setup_viewport(QemuGLShader *gls,
451                                DisplaySurface *surface,
452                                int ww, int wh);
453 #endif
454 
455 typedef struct QemuDisplay QemuDisplay;
456 
457 struct QemuDisplay {
458     DisplayType type;
459     void (*early_init)(DisplayOptions *opts);
460     void (*init)(DisplayState *ds, DisplayOptions *opts);
461 };
462 
463 void qemu_display_register(QemuDisplay *ui);
464 bool qemu_display_find_default(DisplayOptions *opts);
465 void qemu_display_early_init(DisplayOptions *opts);
466 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
467 void qemu_display_help(void);
468 
469 /* vnc.c */
470 void vnc_display_init(const char *id, Error **errp);
471 void vnc_display_open(const char *id, Error **errp);
472 void vnc_display_add_client(const char *id, int csock, bool skipauth);
473 int vnc_display_password(const char *id, const char *password);
474 int vnc_display_pw_expire(const char *id, time_t expires);
475 void vnc_parse(const char *str);
476 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
477 bool vnc_display_reload_certs(const char *id,  Error **errp);
478 
479 /* input.c */
480 int index_from_key(const char *key, size_t key_length);
481 
482 #ifdef CONFIG_LINUX
483 /* udmabuf.c */
484 int udmabuf_fd(void);
485 #endif
486 
487 #endif
488