xref: /openbmc/qemu/include/ui/console.h (revision f6ef71bded95d99106d4541cf1f420376818732e)
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 typedef struct DisplayGLCtx DisplayGLCtx;
183 
184 typedef struct DisplayChangeListenerOps {
185     const char *dpy_name;
186 
187     /* optional */
188     void (*dpy_refresh)(DisplayChangeListener *dcl);
189 
190     /* optional */
191     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
192                            int x, int y, int w, int h);
193     /* optional */
194     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
195                            struct DisplaySurface *new_surface);
196     /* optional */
197     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
198                                  pixman_format_code_t format);
199 
200     /* optional */
201     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
202                             int x, int y);
203     /* optional */
204     void (*dpy_text_resize)(DisplayChangeListener *dcl,
205                             int w, int h);
206     /* optional */
207     void (*dpy_text_update)(DisplayChangeListener *dcl,
208                             int x, int y, int w, int h);
209 
210     /* optional */
211     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
212                           int x, int y, int on);
213     /* optional */
214     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
215                               QEMUCursor *cursor);
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 typedef struct DisplayGLCtxOps {
258     /*
259      * We only check if the GLCtx is compatible with a DCL via ops. A natural
260      * evolution of this would be a callback to check some runtime requirements
261      * and allow various DCL kinds.
262      */
263     const DisplayChangeListenerOps *compatible_dcl;
264 
265     QEMUGLContext (*dpy_gl_ctx_create)(DisplayGLCtx *dgc,
266                                        QEMUGLParams *params);
267     void (*dpy_gl_ctx_destroy)(DisplayGLCtx *dgc,
268                                QEMUGLContext ctx);
269     int (*dpy_gl_ctx_make_current)(DisplayGLCtx *dgc,
270                                    QEMUGLContext ctx);
271 } DisplayGLCtxOps;
272 
273 struct DisplayGLCtx {
274     const DisplayGLCtxOps *ops;
275 };
276 
277 DisplayState *init_displaystate(void);
278 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
279                                                 pixman_format_code_t format,
280                                                 int linesize, uint8_t *data);
281 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
282 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
283                                                 const char *msg);
284 PixelFormat qemu_default_pixelformat(int bpp);
285 
286 DisplaySurface *qemu_create_displaysurface(int width, int height);
287 void qemu_free_displaysurface(DisplaySurface *surface);
288 
289 static inline int is_buffer_shared(DisplaySurface *surface)
290 {
291     return !(surface->flags & QEMU_ALLOCATED_FLAG);
292 }
293 
294 static inline int is_placeholder(DisplaySurface *surface)
295 {
296     return surface->flags & QEMU_PLACEHOLDER_FLAG;
297 }
298 
299 void register_displaychangelistener(DisplayChangeListener *dcl);
300 void update_displaychangelistener(DisplayChangeListener *dcl,
301                                   uint64_t interval);
302 void unregister_displaychangelistener(DisplayChangeListener *dcl);
303 
304 bool dpy_ui_info_supported(QemuConsole *con);
305 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
306 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay);
307 
308 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
309 void dpy_gfx_update_full(QemuConsole *con);
310 void dpy_gfx_replace_surface(QemuConsole *con,
311                              DisplaySurface *surface);
312 void dpy_text_cursor(QemuConsole *con, int x, int y);
313 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
314 void dpy_text_resize(QemuConsole *con, int w, int h);
315 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
316 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
317 bool dpy_cursor_define_supported(QemuConsole *con);
318 bool dpy_gfx_check_format(QemuConsole *con,
319                           pixman_format_code_t format);
320 
321 void dpy_gl_scanout_disable(QemuConsole *con);
322 void dpy_gl_scanout_texture(QemuConsole *con,
323                             uint32_t backing_id, bool backing_y_0_top,
324                             uint32_t backing_width, uint32_t backing_height,
325                             uint32_t x, uint32_t y, uint32_t w, uint32_t h);
326 void dpy_gl_scanout_dmabuf(QemuConsole *con,
327                            QemuDmaBuf *dmabuf);
328 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
329                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
330 void dpy_gl_cursor_position(QemuConsole *con,
331                             uint32_t pos_x, uint32_t pos_y);
332 void dpy_gl_release_dmabuf(QemuConsole *con,
333                            QemuDmaBuf *dmabuf);
334 void dpy_gl_update(QemuConsole *con,
335                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
336 
337 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
338                                 QEMUGLParams *params);
339 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
340 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
341 
342 bool console_has_gl(QemuConsole *con);
343 
344 static inline int surface_stride(DisplaySurface *s)
345 {
346     return pixman_image_get_stride(s->image);
347 }
348 
349 static inline void *surface_data(DisplaySurface *s)
350 {
351     return pixman_image_get_data(s->image);
352 }
353 
354 static inline int surface_width(DisplaySurface *s)
355 {
356     return pixman_image_get_width(s->image);
357 }
358 
359 static inline int surface_height(DisplaySurface *s)
360 {
361     return pixman_image_get_height(s->image);
362 }
363 
364 static inline int surface_bits_per_pixel(DisplaySurface *s)
365 {
366     int bits = PIXMAN_FORMAT_BPP(s->format);
367     return bits;
368 }
369 
370 static inline int surface_bytes_per_pixel(DisplaySurface *s)
371 {
372     int bits = PIXMAN_FORMAT_BPP(s->format);
373     return DIV_ROUND_UP(bits, 8);
374 }
375 
376 static inline pixman_format_code_t surface_format(DisplaySurface *s)
377 {
378     return s->format;
379 }
380 
381 typedef uint32_t console_ch_t;
382 
383 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
384 {
385     *dest = ch;
386 }
387 
388 enum {
389     GRAPHIC_FLAGS_NONE     = 0,
390     /* require a console/display with GL callbacks */
391     GRAPHIC_FLAGS_GL       = 1 << 0,
392     /* require a console/display with DMABUF import */
393     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
394 };
395 
396 typedef struct GraphicHwOps {
397     int (*get_flags)(void *opaque); /* optional, default 0 */
398     void (*invalidate)(void *opaque);
399     void (*gfx_update)(void *opaque);
400     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
401     void (*text_update)(void *opaque, console_ch_t *text);
402     void (*update_interval)(void *opaque, uint64_t interval);
403     int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
404     void (*gl_block)(void *opaque, bool block);
405 } GraphicHwOps;
406 
407 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
408                                   const GraphicHwOps *ops,
409                                   void *opaque);
410 void graphic_console_set_hwops(QemuConsole *con,
411                                const GraphicHwOps *hw_ops,
412                                void *opaque);
413 void graphic_console_close(QemuConsole *con);
414 
415 void graphic_hw_update(QemuConsole *con);
416 void graphic_hw_update_done(QemuConsole *con);
417 void graphic_hw_invalidate(QemuConsole *con);
418 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
419 void graphic_hw_gl_block(QemuConsole *con, bool block);
420 
421 void qemu_console_early_init(void);
422 
423 void qemu_console_set_display_gl_ctx(QemuConsole *con, DisplayGLCtx *ctx);
424 
425 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
426 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
427 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
428                                                 uint32_t head, Error **errp);
429 QemuConsole *qemu_console_lookup_unused(void);
430 bool qemu_console_is_visible(QemuConsole *con);
431 bool qemu_console_is_graphic(QemuConsole *con);
432 bool qemu_console_is_fixedsize(QemuConsole *con);
433 bool qemu_console_is_gl_blocked(QemuConsole *con);
434 char *qemu_console_get_label(QemuConsole *con);
435 int qemu_console_get_index(QemuConsole *con);
436 uint32_t qemu_console_get_head(QemuConsole *con);
437 int qemu_console_get_width(QemuConsole *con, int fallback);
438 int qemu_console_get_height(QemuConsole *con, int fallback);
439 /* Return the low-level window id for the console */
440 int qemu_console_get_window_id(QemuConsole *con);
441 /* Set the low-level window id for the console */
442 void qemu_console_set_window_id(QemuConsole *con, int window_id);
443 
444 void console_select(unsigned int index);
445 void qemu_console_resize(QemuConsole *con, int width, int height);
446 DisplaySurface *qemu_console_surface(QemuConsole *con);
447 
448 /* console-gl.c */
449 #ifdef CONFIG_OPENGL
450 bool console_gl_check_format(DisplayChangeListener *dcl,
451                              pixman_format_code_t format);
452 void surface_gl_create_texture(QemuGLShader *gls,
453                                DisplaySurface *surface);
454 void surface_gl_update_texture(QemuGLShader *gls,
455                                DisplaySurface *surface,
456                                int x, int y, int w, int h);
457 void surface_gl_render_texture(QemuGLShader *gls,
458                                DisplaySurface *surface);
459 void surface_gl_destroy_texture(QemuGLShader *gls,
460                                DisplaySurface *surface);
461 void surface_gl_setup_viewport(QemuGLShader *gls,
462                                DisplaySurface *surface,
463                                int ww, int wh);
464 #endif
465 
466 typedef struct QemuDisplay QemuDisplay;
467 
468 struct QemuDisplay {
469     DisplayType type;
470     void (*early_init)(DisplayOptions *opts);
471     void (*init)(DisplayState *ds, DisplayOptions *opts);
472 };
473 
474 void qemu_display_register(QemuDisplay *ui);
475 bool qemu_display_find_default(DisplayOptions *opts);
476 void qemu_display_early_init(DisplayOptions *opts);
477 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
478 void qemu_display_help(void);
479 
480 /* vnc.c */
481 void vnc_display_init(const char *id, Error **errp);
482 void vnc_display_open(const char *id, Error **errp);
483 void vnc_display_add_client(const char *id, int csock, bool skipauth);
484 int vnc_display_password(const char *id, const char *password);
485 int vnc_display_pw_expire(const char *id, time_t expires);
486 void vnc_parse(const char *str);
487 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
488 bool vnc_display_reload_certs(const char *id,  Error **errp);
489 
490 /* input.c */
491 int index_from_key(const char *key, size_t key_length);
492 
493 #ifdef CONFIG_LINUX
494 /* udmabuf.c */
495 int udmabuf_fd(void);
496 #endif
497 
498 /* util.c */
499 bool qemu_console_fill_device_address(QemuConsole *con,
500                                       char *device_address,
501                                       size_t size,
502                                       Error **errp);
503 
504 #endif
505