include/ui/console.h

   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 "qapi/qapi-types-ui.h"
   8 #include "ui/input.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 bool qemu_mouse_set(int index, Error **errp);
  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_TAB        0x0009
  74 #define QEMU_KEY_BACKSPACE  0x007f
  75 #define QEMU_KEY_UP         QEMU_KEY_ESC1('A')
  76 #define QEMU_KEY_DOWN       QEMU_KEY_ESC1('B')
  77 #define QEMU_KEY_RIGHT      QEMU_KEY_ESC1('C')
  78 #define QEMU_KEY_LEFT       QEMU_KEY_ESC1('D')
  79 #define QEMU_KEY_HOME       QEMU_KEY_ESC1(1)
  80 #define QEMU_KEY_END        QEMU_KEY_ESC1(4)
  81 #define QEMU_KEY_PAGEUP     QEMU_KEY_ESC1(5)
  82 #define QEMU_KEY_PAGEDOWN   QEMU_KEY_ESC1(6)
  83 #define QEMU_KEY_DELETE     QEMU_KEY_ESC1(3)
  84
  85 #define QEMU_KEY_CTRL_UP         0xe400
  86 #define QEMU_KEY_CTRL_DOWN       0xe401
  87 #define QEMU_KEY_CTRL_LEFT       0xe402
  88 #define QEMU_KEY_CTRL_RIGHT      0xe403
  89 #define QEMU_KEY_CTRL_HOME       0xe404
  90 #define QEMU_KEY_CTRL_END        0xe405
  91 #define QEMU_KEY_CTRL_PAGEUP     0xe406
  92 #define QEMU_KEY_CTRL_PAGEDOWN   0xe407
  93
  94 void kbd_put_keysym_console(QemuConsole *s, int keysym);
  95 bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl);
  96 void kbd_put_string_console(QemuConsole *s, const char *str, int len);
  97 void kbd_put_keysym(int keysym);
  98
  99 /* Touch devices */
 100 typedef struct touch_slot {
 101     int x;
 102     int y;
 103     int tracking_id;
 104 } touch_slot;
 105
 106 void console_handle_touch_event(QemuConsole *con,
 107                                 struct touch_slot touch_slots[INPUT_EVENT_SLOTS_MAX],
 108                                 uint64_t num_slot,
 109                                 int width, int height,
 110                                 double x, double y,
 111                                 InputMultiTouchType type,
 112                                 Error **errp);
 113 /* consoles */
 114
 115 #define TYPE_QEMU_CONSOLE "qemu-console"
 116 OBJECT_DECLARE_TYPE(QemuConsole, QemuConsoleClass, QEMU_CONSOLE)
 117
 118
 119 struct QemuConsoleClass {
 120     ObjectClass parent_class;
 121 };
 122
 123 #define QEMU_ALLOCATED_FLAG     0x01
 124 #define QEMU_PLACEHOLDER_FLAG   0x02
 125
 126 typedef struct ScanoutTexture {
 127     uint32_t backing_id;
 128     bool backing_y_0_top;
 129     uint32_t backing_width;
 130     uint32_t backing_height;
 131     uint32_t x;
 132     uint32_t y;
 133     uint32_t width;
 134     uint32_t height;
 135     void *d3d_tex2d;
 136 } ScanoutTexture;
 137
 138 typedef struct DisplaySurface {
 139     pixman_format_code_t format;
 140     pixman_image_t *image;
 141     uint8_t flags;
 142 #ifdef CONFIG_OPENGL
 143     GLenum glformat;
 144     GLenum gltype;
 145     GLuint texture;
 146 #endif
 147 #ifdef WIN32
 148     HANDLE handle;
 149     uint32_t handle_offset;
 150 #endif
 151 } DisplaySurface;
 152
 153 typedef struct QemuUIInfo {
 154     /* physical dimension */
 155     uint16_t width_mm;
 156     uint16_t height_mm;
 157     /* geometry */
 158     int       xoff;
 159     int       yoff;
 160     uint32_t  width;
 161     uint32_t  height;
 162     uint32_t  refresh_rate;
 163 } QemuUIInfo;
 164
 165 /* cursor data format is 32bit RGBA */
 166 typedef struct QEMUCursor {
 167     uint16_t            width, height;
 168     int                 hot_x, hot_y;
 169     int                 refcount;
 170     uint32_t            data[];
 171 } QEMUCursor;
 172
 173 QEMUCursor *cursor_alloc(uint16_t width, uint16_t height);
 174 QEMUCursor *cursor_ref(QEMUCursor *c);
 175 void cursor_unref(QEMUCursor *c);
 176 QEMUCursor *cursor_builtin_hidden(void);
 177 QEMUCursor *cursor_builtin_left_ptr(void);
 178 void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
 179 int cursor_get_mono_bpl(QEMUCursor *c);
 180 void cursor_set_mono(QEMUCursor *c,
 181                      uint32_t foreground, uint32_t background, uint8_t *image,
 182                      int transparent, uint8_t *mask);
 183 void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
 184 void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
 185
 186 typedef void *QEMUGLContext;
 187 typedef struct QEMUGLParams QEMUGLParams;
 188
 189 struct QEMUGLParams {
 190     int major_ver;
 191     int minor_ver;
 192 };
 193
 194 typedef struct QemuDmaBuf {
 195     int       fd;
 196     uint32_t  width;
 197     uint32_t  height;
 198     uint32_t  stride;
 199     uint32_t  fourcc;
 200     uint64_t  modifier;
 201     uint32_t  texture;
 202     uint32_t  x;
 203     uint32_t  y;
 204     uint32_t  scanout_width;
 205     uint32_t  scanout_height;
 206     bool      y0_top;
 207     void      *sync;
 208     int       fence_fd;
 209     bool      allow_fences;
 210     bool      draw_submitted;
 211 } QemuDmaBuf;
 212
 213 enum display_scanout {
 214     SCANOUT_NONE,
 215     SCANOUT_SURFACE,
 216     SCANOUT_TEXTURE,
 217     SCANOUT_DMABUF,
 218 };
 219
 220 typedef struct DisplayScanout {
 221     enum display_scanout kind;
 222     union {
 223         /* DisplaySurface *surface; is kept in QemuConsole */
 224         ScanoutTexture texture;
 225         QemuDmaBuf *dmabuf;
 226     };
 227 } DisplayScanout;
 228
 229 typedef struct DisplayState DisplayState;
 230 typedef struct DisplayGLCtx DisplayGLCtx;
 231
 232 typedef struct DisplayChangeListenerOps {
 233     const char *dpy_name;
 234
 235     /* optional */
 236     void (*dpy_refresh)(DisplayChangeListener *dcl);
 237
 238     /* optional */
 239     void (*dpy_gfx_update)(DisplayChangeListener *dcl,
 240                            int x, int y, int w, int h);
 241     /* optional */
 242     void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
 243                            struct DisplaySurface *new_surface);
 244     /* optional */
 245     bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
 246                                  pixman_format_code_t format);
 247
 248     /* optional */
 249     void (*dpy_text_cursor)(DisplayChangeListener *dcl,
 250                             int x, int y);
 251     /* optional */
 252     void (*dpy_text_resize)(DisplayChangeListener *dcl,
 253                             int w, int h);
 254     /* optional */
 255     void (*dpy_text_update)(DisplayChangeListener *dcl,
 256                             int x, int y, int w, int h);
 257
 258     /* optional */
 259     void (*dpy_mouse_set)(DisplayChangeListener *dcl,
 260                           int x, int y, int on);
 261     /* optional */
 262     void (*dpy_cursor_define)(DisplayChangeListener *dcl,
 263                               QEMUCursor *cursor);
 264
 265     /* required if GL */
 266     void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
 267     /* required if GL */
 268     void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
 269                                    uint32_t backing_id,
 270                                    bool backing_y_0_top,
 271                                    uint32_t backing_width,
 272                                    uint32_t backing_height,
 273                                    uint32_t x, uint32_t y,
 274                                    uint32_t w, uint32_t h,
 275                                    void *d3d_tex2d);
 276     /* optional (default to true if has dpy_gl_scanout_dmabuf) */
 277     bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
 278     /* optional */
 279     void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
 280                                   QemuDmaBuf *dmabuf);
 281     /* optional */
 282     void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
 283                                  QemuDmaBuf *dmabuf, bool have_hot,
 284                                  uint32_t hot_x, uint32_t hot_y);
 285     /* optional */
 286     void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
 287                                    uint32_t pos_x, uint32_t pos_y);
 288     /* optional */
 289     void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
 290                                   QemuDmaBuf *dmabuf);
 291     /* required if GL */
 292     void (*dpy_gl_update)(DisplayChangeListener *dcl,
 293                           uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 294
 295 } DisplayChangeListenerOps;
 296
 297 struct DisplayChangeListener {
 298     uint64_t update_interval;
 299     const DisplayChangeListenerOps *ops;
 300     DisplayState *ds;
 301     QemuConsole *con;
 302
 303     QLIST_ENTRY(DisplayChangeListener) next;
 304 };
 305
 306 typedef struct DisplayGLCtxOps {
 307     bool (*dpy_gl_ctx_is_compatible_dcl)(DisplayGLCtx *dgc,
 308                                          DisplayChangeListener *dcl);
 309     QEMUGLContext (*dpy_gl_ctx_create)(DisplayGLCtx *dgc,
 310                                        QEMUGLParams *params);
 311     void (*dpy_gl_ctx_destroy)(DisplayGLCtx *dgc,
 312                                QEMUGLContext ctx);
 313     int (*dpy_gl_ctx_make_current)(DisplayGLCtx *dgc,
 314                                    QEMUGLContext ctx);
 315     void (*dpy_gl_ctx_create_texture)(DisplayGLCtx *dgc,
 316                                       DisplaySurface *surface);
 317     void (*dpy_gl_ctx_destroy_texture)(DisplayGLCtx *dgc,
 318                                       DisplaySurface *surface);
 319     void (*dpy_gl_ctx_update_texture)(DisplayGLCtx *dgc,
 320                                       DisplaySurface *surface,
 321                                       int x, int y, int w, int h);
 322 } DisplayGLCtxOps;
 323
 324 struct DisplayGLCtx {
 325     const DisplayGLCtxOps *ops;
 326 #ifdef CONFIG_OPENGL
 327     QemuGLShader *gls; /* optional shared shader */
 328 #endif
 329 };
 330
 331 DisplayState *init_displaystate(void);
 332 DisplaySurface *qemu_create_displaysurface_from(int width, int height,
 333                                                 pixman_format_code_t format,
 334                                                 int linesize, uint8_t *data);
 335 DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
 336 DisplaySurface *qemu_create_placeholder_surface(int w, int h,
 337                                                 const char *msg);
 338 #ifdef WIN32
 339 void qemu_displaysurface_win32_set_handle(DisplaySurface *surface,
 340                                           HANDLE h, uint32_t offset);
 341 #endif
 342 PixelFormat qemu_default_pixelformat(int bpp);
 343
 344 DisplaySurface *qemu_create_displaysurface(int width, int height);
 345 void qemu_free_displaysurface(DisplaySurface *surface);
 346
 347 static inline int is_buffer_shared(DisplaySurface *surface)
 348 {
 349     return !(surface->flags & QEMU_ALLOCATED_FLAG);
 350 }
 351
 352 static inline int is_placeholder(DisplaySurface *surface)
 353 {
 354     return surface->flags & QEMU_PLACEHOLDER_FLAG;
 355 }
 356
 357 void register_displaychangelistener(DisplayChangeListener *dcl);
 358 void update_displaychangelistener(DisplayChangeListener *dcl,
 359                                   uint64_t interval);
 360 void unregister_displaychangelistener(DisplayChangeListener *dcl);
 361
 362 bool dpy_ui_info_supported(QemuConsole *con);
 363 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
 364 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay);
 365
 366 void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
 367 void dpy_gfx_update_full(QemuConsole *con);
 368 void dpy_gfx_replace_surface(QemuConsole *con,
 369                              DisplaySurface *surface);
 370 void dpy_text_cursor(QemuConsole *con, int x, int y);
 371 void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
 372 void dpy_text_resize(QemuConsole *con, int w, int h);
 373 void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
 374 void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
 375 bool dpy_cursor_define_supported(QemuConsole *con);
 376 bool dpy_gfx_check_format(QemuConsole *con,
 377                           pixman_format_code_t format);
 378
 379 void dpy_gl_scanout_disable(QemuConsole *con);
 380 void dpy_gl_scanout_texture(QemuConsole *con,
 381                             uint32_t backing_id, bool backing_y_0_top,
 382                             uint32_t backing_width, uint32_t backing_height,
 383                             uint32_t x, uint32_t y, uint32_t w, uint32_t h,
 384                             void *d3d_tex2d);
 385 void dpy_gl_scanout_dmabuf(QemuConsole *con,
 386                            QemuDmaBuf *dmabuf);
 387 void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
 388                           bool have_hot, uint32_t hot_x, uint32_t hot_y);
 389 void dpy_gl_cursor_position(QemuConsole *con,
 390                             uint32_t pos_x, uint32_t pos_y);
 391 void dpy_gl_release_dmabuf(QemuConsole *con,
 392                            QemuDmaBuf *dmabuf);
 393 void dpy_gl_update(QemuConsole *con,
 394                    uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 395
 396 QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
 397                                 QEMUGLParams *params);
 398 void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
 399 int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
 400
 401 bool console_has_gl(QemuConsole *con);
 402
 403 static inline int surface_stride(DisplaySurface *s)
 404 {
 405     return pixman_image_get_stride(s->image);
 406 }
 407
 408 static inline void *surface_data(DisplaySurface *s)
 409 {
 410     return pixman_image_get_data(s->image);
 411 }
 412
 413 static inline int surface_width(DisplaySurface *s)
 414 {
 415     return pixman_image_get_width(s->image);
 416 }
 417
 418 static inline int surface_height(DisplaySurface *s)
 419 {
 420     return pixman_image_get_height(s->image);
 421 }
 422
 423 static inline int surface_bits_per_pixel(DisplaySurface *s)
 424 {
 425     int bits = PIXMAN_FORMAT_BPP(s->format);
 426     return bits;
 427 }
 428
 429 static inline int surface_bytes_per_pixel(DisplaySurface *s)
 430 {
 431     int bits = PIXMAN_FORMAT_BPP(s->format);
 432     return DIV_ROUND_UP(bits, 8);
 433 }
 434
 435 static inline pixman_format_code_t surface_format(DisplaySurface *s)
 436 {
 437     return s->format;
 438 }
 439
 440 typedef uint32_t console_ch_t;
 441
 442 static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
 443 {
 444     *dest = ch;
 445 }
 446
 447 enum {
 448     GRAPHIC_FLAGS_NONE     = 0,
 449     /* require a console/display with GL callbacks */
 450     GRAPHIC_FLAGS_GL       = 1 << 0,
 451     /* require a console/display with DMABUF import */
 452     GRAPHIC_FLAGS_DMABUF   = 1 << 1,
 453 };
 454
 455 typedef struct GraphicHwOps {
 456     int (*get_flags)(void *opaque); /* optional, default 0 */
 457     void (*invalidate)(void *opaque);
 458     void (*gfx_update)(void *opaque);
 459     bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
 460     void (*text_update)(void *opaque, console_ch_t *text);
 461     void (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
 462     void (*gl_block)(void *opaque, bool block);
 463 } GraphicHwOps;
 464
 465 QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
 466                                   const GraphicHwOps *ops,
 467                                   void *opaque);
 468 void graphic_console_set_hwops(QemuConsole *con,
 469                                const GraphicHwOps *hw_ops,
 470                                void *opaque);
 471 void graphic_console_close(QemuConsole *con);
 472
 473 void graphic_hw_update(QemuConsole *con);
 474 void graphic_hw_update_done(QemuConsole *con);
 475 void graphic_hw_invalidate(QemuConsole *con);
 476 void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
 477 void graphic_hw_gl_block(QemuConsole *con, bool block);
 478
 479 void qemu_console_early_init(void);
 480
 481 void qemu_console_set_display_gl_ctx(QemuConsole *con, DisplayGLCtx *ctx);
 482
 483 QemuConsole *qemu_console_lookup_by_index(unsigned int index);
 484 QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
 485 QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
 486                                                 uint32_t head, Error **errp);
 487 QemuConsole *qemu_console_lookup_unused(void);
 488 QEMUCursor *qemu_console_get_cursor(QemuConsole *con);
 489 bool qemu_console_is_visible(QemuConsole *con);
 490 bool qemu_console_is_graphic(QemuConsole *con);
 491 bool qemu_console_is_fixedsize(QemuConsole *con);
 492 bool qemu_console_is_gl_blocked(QemuConsole *con);
 493 bool qemu_console_is_multihead(DeviceState *dev);
 494 char *qemu_console_get_label(QemuConsole *con);
 495 int qemu_console_get_index(QemuConsole *con);
 496 uint32_t qemu_console_get_head(QemuConsole *con);
 497 int qemu_console_get_width(QemuConsole *con, int fallback);
 498 int qemu_console_get_height(QemuConsole *con, int fallback);
 499 /* Return the low-level window id for the console */
 500 int qemu_console_get_window_id(QemuConsole *con);
 501 /* Set the low-level window id for the console */
 502 void qemu_console_set_window_id(QemuConsole *con, int window_id);
 503
 504 void console_select(unsigned int index);
 505 void qemu_console_resize(QemuConsole *con, int width, int height);
 506 DisplaySurface *qemu_console_surface(QemuConsole *con);
 507
 508 /* console-gl.c */
 509 #ifdef CONFIG_OPENGL
 510 bool console_gl_check_format(DisplayChangeListener *dcl,
 511                              pixman_format_code_t format);
 512 void surface_gl_create_texture(QemuGLShader *gls,
 513                                DisplaySurface *surface);
 514 void surface_gl_update_texture(QemuGLShader *gls,
 515                                DisplaySurface *surface,
 516                                int x, int y, int w, int h);
 517 void surface_gl_render_texture(QemuGLShader *gls,
 518                                DisplaySurface *surface);
 519 void surface_gl_destroy_texture(QemuGLShader *gls,
 520                                DisplaySurface *surface);
 521 void surface_gl_setup_viewport(QemuGLShader *gls,
 522                                DisplaySurface *surface,
 523                                int ww, int wh);
 524 #endif
 525
 526 typedef struct QemuDisplay QemuDisplay;
 527
 528 struct QemuDisplay {
 529     DisplayType type;
 530     void (*early_init)(DisplayOptions *opts);
 531     void (*init)(DisplayState *ds, DisplayOptions *opts);
 532 };
 533
 534 void qemu_display_register(QemuDisplay *ui);
 535 bool qemu_display_find_default(DisplayOptions *opts);
 536 void qemu_display_early_init(DisplayOptions *opts);
 537 void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
 538 void qemu_display_help(void);
 539
 540 /* vnc.c */
 541 void vnc_display_init(const char *id, Error **errp);
 542 void vnc_display_open(const char *id, Error **errp);
 543 void vnc_display_add_client(const char *id, int csock, bool skipauth);
 544 int vnc_display_password(const char *id, const char *password);
 545 int vnc_display_pw_expire(const char *id, time_t expires);
 546 void vnc_parse(const char *str);
 547 int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
 548 bool vnc_display_reload_certs(const char *id,  Error **errp);
 549 bool vnc_display_update(DisplayUpdateOptionsVNC *arg, Error **errp);
 550
 551 /* input.c */
 552 int index_from_key(const char *key, size_t key_length);
 553
 554 #ifdef CONFIG_LINUX
 555 /* udmabuf.c */
 556 int udmabuf_fd(void);
 557 #endif
 558
 559 /* util.c */
 560 bool qemu_console_fill_device_address(QemuConsole *con,
 561                                       char *device_address,
 562                                       size_t size,
 563                                       Error **errp);
 564
 565 #endif