xref: /openbmc/qemu/include/ui/console.h (revision a44da25a)
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     void      *sync;
172     int       fence_fd;
173     bool      allow_fences;
174 } QemuDmaBuf;
175 
176 typedef struct DisplayState DisplayState;
177 
178 typedef struct DisplayChangeListenerOps {
179     const char *dpy_name;
180 
181     /* optional */
182     void (*dpy_refresh)(DisplayChangeListener *dcl);
183 
184     /* optional */
185     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
186                            int x, int y, int w, int h);
187     /* optional */
188     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
189                            struct DisplaySurface *new_surface);
190     /* optional */
191     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
192                                  pixman_format_code_t format);
193 
194     /* optional */
195     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
196                             int x, int y);
197     /* optional */
198     void (*dpy_text_resize)(DisplayChangeListener *dcl,
199                             int w, int h);
200     /* optional */
201     void (*dpy_text_update)(DisplayChangeListener *dcl,
202                             int x, int y, int w, int h);
203 
204     /* optional */
205     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
206                           int x, int y, int on);
207     /* optional */
208     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
209                               QEMUCursor *cursor);
210 
211     /* required if GL */
212     QEMUGLContext (*dpy_gl_ctx_create)(DisplayChangeListener *dcl,
213                                        QEMUGLParams *params);
214     /* required if GL */
215     void (*dpy_gl_ctx_destroy)(DisplayChangeListener *dcl,
216                                QEMUGLContext ctx);
217     /* required if GL */
218     int (*dpy_gl_ctx_make_current)(DisplayChangeListener *dcl,
219                                    QEMUGLContext ctx);
220 
221     /* required if GL */
222     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
223     /* required if GL */
224     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
225                                    uint32_t backing_id,
226                                    bool backing_y_0_top,
227                                    uint32_t backing_width,
228                                    uint32_t backing_height,
229                                    uint32_t x, uint32_t y,
230                                    uint32_t w, uint32_t h);
231     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
232     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
233     /* optional */
234     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
235                                   QemuDmaBuf *dmabuf);
236     /* optional */
237     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
238                                  QemuDmaBuf *dmabuf, bool have_hot,
239                                  uint32_t hot_x, uint32_t hot_y);
240     /* optional */
241     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
242                                    uint32_t pos_x, uint32_t pos_y);
243     /* optional */
244     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
245                                   QemuDmaBuf *dmabuf);
246     /* required if GL */
247     void (*dpy_gl_update)(DisplayChangeListener *dcl,
248                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
249 
250 } DisplayChangeListenerOps;
251 
252 struct DisplayChangeListener {
253     uint64_t update_interval;
254     const DisplayChangeListenerOps *ops;
255     DisplayState *ds;
256     QemuConsole *con;
257 
258     QLIST_ENTRY(DisplayChangeListener) next;
259 };
260 
261 DisplayState *init_displaystate(void);
262 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
263                                                 pixman_format_code_t format,
264                                                 int linesize, uint8_t *data);
265 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
266 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
267                                                 const char *msg);
268 PixelFormat qemu_default_pixelformat(int bpp);
269 
270 DisplaySurface *qemu_create_displaysurface(int width, int height);
271 void qemu_free_displaysurface(DisplaySurface *surface);
272 
273 static inline int is_buffer_shared(DisplaySurface *surface)
274 {
275     return !(surface->flags & QEMU_ALLOCATED_FLAG);
276 }
277 
278 static inline int is_placeholder(DisplaySurface *surface)
279 {
280     return surface->flags & QEMU_PLACEHOLDER_FLAG;
281 }
282 
283 void register_displaychangelistener(DisplayChangeListener *dcl);
284 void update_displaychangelistener(DisplayChangeListener *dcl,
285                                   uint64_t interval);
286 void unregister_displaychangelistener(DisplayChangeListener *dcl);
287 
288 bool dpy_ui_info_supported(QemuConsole *con);
289 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
290 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info);
291 
292 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
293 void dpy_gfx_update_full(QemuConsole *con);
294 void dpy_gfx_replace_surface(QemuConsole *con,
295                              DisplaySurface *surface);
296 void dpy_text_cursor(QemuConsole *con, int x, int y);
297 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
298 void dpy_text_resize(QemuConsole *con, int w, int h);
299 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
300 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
301 bool dpy_cursor_define_supported(QemuConsole *con);
302 bool dpy_gfx_check_format(QemuConsole *con,
303                           pixman_format_code_t format);
304 
305 void dpy_gl_scanout_disable(QemuConsole *con);
306 void dpy_gl_scanout_texture(QemuConsole *con,
307                             uint32_t backing_id, bool backing_y_0_top,
308                             uint32_t backing_width, uint32_t backing_height,
309                             uint32_t x, uint32_t y, uint32_t w, uint32_t h);
310 void dpy_gl_scanout_dmabuf(QemuConsole *con,
311                            QemuDmaBuf *dmabuf);
312 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
313                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
314 void dpy_gl_cursor_position(QemuConsole *con,
315                             uint32_t pos_x, uint32_t pos_y);
316 void dpy_gl_release_dmabuf(QemuConsole *con,
317                            QemuDmaBuf *dmabuf);
318 void dpy_gl_update(QemuConsole *con,
319                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
320 
321 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
322                                 QEMUGLParams *params);
323 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
324 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
325 
326 bool console_has_gl(QemuConsole *con);
327 
328 static inline int surface_stride(DisplaySurface *s)
329 {
330     return pixman_image_get_stride(s->image);
331 }
332 
333 static inline void *surface_data(DisplaySurface *s)
334 {
335     return pixman_image_get_data(s->image);
336 }
337 
338 static inline int surface_width(DisplaySurface *s)
339 {
340     return pixman_image_get_width(s->image);
341 }
342 
343 static inline int surface_height(DisplaySurface *s)
344 {
345     return pixman_image_get_height(s->image);
346 }
347 
348 static inline int surface_bits_per_pixel(DisplaySurface *s)
349 {
350     int bits = PIXMAN_FORMAT_BPP(s->format);
351     return bits;
352 }
353 
354 static inline int surface_bytes_per_pixel(DisplaySurface *s)
355 {
356     int bits = PIXMAN_FORMAT_BPP(s->format);
357     return DIV_ROUND_UP(bits, 8);
358 }
359 
360 static inline pixman_format_code_t surface_format(DisplaySurface *s)
361 {
362     return s->format;
363 }
364 
365 typedef uint32_t console_ch_t;
366 
367 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
368 {
369     *dest = ch;
370 }
371 
372 enum {
373     GRAPHIC_FLAGS_NONE     = 0,
374     /* require a console/display with GL callbacks */
375     GRAPHIC_FLAGS_GL       = 1 << 0,
376     /* require a console/display with DMABUF import */
377     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
378 };
379 
380 typedef struct GraphicHwOps {
381     int (*get_flags)(void *opaque); /* optional, default 0 */
382     void (*invalidate)(void *opaque);
383     void (*gfx_update)(void *opaque);
384     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
385     void (*text_update)(void *opaque, console_ch_t *text);
386     void (*update_interval)(void *opaque, uint64_t interval);
387     int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
388     void (*gl_block)(void *opaque, bool block);
389     void (*gl_flushed)(void *opaque);
390 } GraphicHwOps;
391 
392 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
393                                   const GraphicHwOps *ops,
394                                   void *opaque);
395 void graphic_console_set_hwops(QemuConsole *con,
396                                const GraphicHwOps *hw_ops,
397                                void *opaque);
398 void graphic_console_close(QemuConsole *con);
399 
400 void graphic_hw_update(QemuConsole *con);
401 void graphic_hw_update_done(QemuConsole *con);
402 void graphic_hw_invalidate(QemuConsole *con);
403 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
404 void graphic_hw_gl_block(QemuConsole *con, bool block);
405 void graphic_hw_gl_flushed(QemuConsole *con);
406 
407 void qemu_console_early_init(void);
408 
409 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
410 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
411 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
412                                                 uint32_t head, Error **errp);
413 QemuConsole *qemu_console_lookup_unused(void);
414 bool qemu_console_is_visible(QemuConsole *con);
415 bool qemu_console_is_graphic(QemuConsole *con);
416 bool qemu_console_is_fixedsize(QemuConsole *con);
417 bool qemu_console_is_gl_blocked(QemuConsole *con);
418 char *qemu_console_get_label(QemuConsole *con);
419 int qemu_console_get_index(QemuConsole *con);
420 uint32_t qemu_console_get_head(QemuConsole *con);
421 int qemu_console_get_width(QemuConsole *con, int fallback);
422 int qemu_console_get_height(QemuConsole *con, int fallback);
423 /* Return the low-level window id for the console */
424 int qemu_console_get_window_id(QemuConsole *con);
425 /* Set the low-level window id for the console */
426 void qemu_console_set_window_id(QemuConsole *con, int window_id);
427 
428 void console_select(unsigned int index);
429 void qemu_console_resize(QemuConsole *con, int width, int height);
430 DisplaySurface *qemu_console_surface(QemuConsole *con);
431 
432 /* console-gl.c */
433 #ifdef CONFIG_OPENGL
434 bool console_gl_check_format(DisplayChangeListener *dcl,
435                              pixman_format_code_t format);
436 void surface_gl_create_texture(QemuGLShader *gls,
437                                DisplaySurface *surface);
438 void surface_gl_update_texture(QemuGLShader *gls,
439                                DisplaySurface *surface,
440                                int x, int y, int w, int h);
441 void surface_gl_render_texture(QemuGLShader *gls,
442                                DisplaySurface *surface);
443 void surface_gl_destroy_texture(QemuGLShader *gls,
444                                DisplaySurface *surface);
445 void surface_gl_setup_viewport(QemuGLShader *gls,
446                                DisplaySurface *surface,
447                                int ww, int wh);
448 #endif
449 
450 typedef struct QemuDisplay QemuDisplay;
451 
452 struct QemuDisplay {
453     DisplayType type;
454     void (*early_init)(DisplayOptions *opts);
455     void (*init)(DisplayState *ds, DisplayOptions *opts);
456 };
457 
458 void qemu_display_register(QemuDisplay *ui);
459 bool qemu_display_find_default(DisplayOptions *opts);
460 void qemu_display_early_init(DisplayOptions *opts);
461 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
462 void qemu_display_help(void);
463 
464 /* vnc.c */
465 void vnc_display_init(const char *id, Error **errp);
466 void vnc_display_open(const char *id, Error **errp);
467 void vnc_display_add_client(const char *id, int csock, bool skipauth);
468 int vnc_display_password(const char *id, const char *password);
469 int vnc_display_pw_expire(const char *id, time_t expires);
470 void vnc_parse(const char *str);
471 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
472 bool vnc_display_reload_certs(const char *id,  Error **errp);
473 
474 /* input.c */
475 int index_from_key(const char *key, size_t key_length);
476 
477 #ifdef CONFIG_LINUX
478 /* udmabuf.c */
479 int udmabuf_fd(void);
480 #endif
481 
482 #endif
483