qemu/include/ui/console.h
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   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 */
  33enum 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
  47typedef void QEMUPutKBDEvent(void *opaque, int keycode);
  48typedef void QEMUPutLEDEvent(void *opaque, int ledstate);
  49typedef void QEMUPutMouseEvent(void *opaque, int dx, int dy, int dz, int buttons_state);
  50
  51typedef struct QEMUPutMouseEntry QEMUPutMouseEntry;
  52typedef struct QEMUPutKbdEntry QEMUPutKbdEntry;
  53typedef struct QEMUPutLEDEntry QEMUPutLEDEntry;
  54
  55QEMUPutKbdEntry *qemu_add_kbd_event_handler(QEMUPutKBDEvent *func,
  56                                            void *opaque);
  57QEMUPutMouseEntry *qemu_add_mouse_event_handler(QEMUPutMouseEvent *func,
  58                                                void *opaque, int absolute,
  59                                                const char *name);
  60void qemu_remove_mouse_event_handler(QEMUPutMouseEntry *entry);
  61void qemu_activate_mouse_event_handler(QEMUPutMouseEntry *entry);
  62
  63QEMUPutLEDEntry *qemu_add_led_event_handler(QEMUPutLEDEvent *func, void *opaque);
  64void qemu_remove_led_event_handler(QEMUPutLEDEntry *entry);
  65
  66void kbd_put_ledstate(int ledstate);
  67
  68void 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
  93void kbd_put_keysym_console(QemuConsole *s, int keysym);
  94bool kbd_put_qcode_console(QemuConsole *s, int qcode, bool ctrl);
  95void kbd_put_string_console(QemuConsole *s, const char *str, int len);
  96void kbd_put_keysym(int keysym);
  97
  98/* consoles */
  99
 100#define TYPE_QEMU_CONSOLE "qemu-console"
 101OBJECT_DECLARE_TYPE(QemuConsole, QemuConsoleClass, QEMU_CONSOLE)
 102
 103
 104struct QemuConsoleClass {
 105    ObjectClass parent_class;
 106};
 107
 108#define QEMU_ALLOCATED_FLAG     0x01
 109#define QEMU_PLACEHOLDER_FLAG   0x02
 110
 111typedef 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
 122typedef 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 */
 134typedef struct QEMUCursor {
 135    int                 width, height;
 136    int                 hot_x, hot_y;
 137    int                 refcount;
 138    uint32_t            data[];
 139} QEMUCursor;
 140
 141QEMUCursor *cursor_alloc(int width, int height);
 142void cursor_get(QEMUCursor *c);
 143void cursor_put(QEMUCursor *c);
 144QEMUCursor *cursor_builtin_hidden(void);
 145QEMUCursor *cursor_builtin_left_ptr(void);
 146void cursor_print_ascii_art(QEMUCursor *c, const char *prefix);
 147int cursor_get_mono_bpl(QEMUCursor *c);
 148void cursor_set_mono(QEMUCursor *c,
 149                     uint32_t foreground, uint32_t background, uint8_t *image,
 150                     int transparent, uint8_t *mask);
 151void cursor_get_mono_image(QEMUCursor *c, int foreground, uint8_t *mask);
 152void cursor_get_mono_mask(QEMUCursor *c, int transparent, uint8_t *mask);
 153
 154typedef void *QEMUGLContext;
 155typedef struct QEMUGLParams QEMUGLParams;
 156
 157struct QEMUGLParams {
 158    int major_ver;
 159    int minor_ver;
 160};
 161
 162typedef 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} QemuDmaBuf;
 172
 173typedef struct DisplayState DisplayState;
 174
 175typedef struct DisplayChangeListenerOps {
 176    const char *dpy_name;
 177
 178    /* optional */
 179    void (*dpy_refresh)(DisplayChangeListener *dcl);
 180
 181    /* optional */
 182    void (*dpy_gfx_update)(DisplayChangeListener *dcl,
 183                           int x, int y, int w, int h);
 184    /* optional */
 185    void (*dpy_gfx_switch)(DisplayChangeListener *dcl,
 186                           struct DisplaySurface *new_surface);
 187    /* optional */
 188    bool (*dpy_gfx_check_format)(DisplayChangeListener *dcl,
 189                                 pixman_format_code_t format);
 190
 191    /* optional */
 192    void (*dpy_text_cursor)(DisplayChangeListener *dcl,
 193                            int x, int y);
 194    /* optional */
 195    void (*dpy_text_resize)(DisplayChangeListener *dcl,
 196                            int w, int h);
 197    /* optional */
 198    void (*dpy_text_update)(DisplayChangeListener *dcl,
 199                            int x, int y, int w, int h);
 200
 201    /* optional */
 202    void (*dpy_mouse_set)(DisplayChangeListener *dcl,
 203                          int x, int y, int on);
 204    /* optional */
 205    void (*dpy_cursor_define)(DisplayChangeListener *dcl,
 206                              QEMUCursor *cursor);
 207
 208    /* required if GL */
 209    QEMUGLContext (*dpy_gl_ctx_create)(DisplayChangeListener *dcl,
 210                                       QEMUGLParams *params);
 211    /* required if GL */
 212    void (*dpy_gl_ctx_destroy)(DisplayChangeListener *dcl,
 213                               QEMUGLContext ctx);
 214    /* required if GL */
 215    int (*dpy_gl_ctx_make_current)(DisplayChangeListener *dcl,
 216                                   QEMUGLContext ctx);
 217
 218    /* required if GL */
 219    void (*dpy_gl_scanout_disable)(DisplayChangeListener *dcl);
 220    /* required if GL */
 221    void (*dpy_gl_scanout_texture)(DisplayChangeListener *dcl,
 222                                   uint32_t backing_id,
 223                                   bool backing_y_0_top,
 224                                   uint32_t backing_width,
 225                                   uint32_t backing_height,
 226                                   uint32_t x, uint32_t y,
 227                                   uint32_t w, uint32_t h);
 228    /* optional (default to true if has dpy_gl_scanout_dmabuf) */
 229    bool (*dpy_has_dmabuf)(DisplayChangeListener *dcl);
 230    /* optional */
 231    void (*dpy_gl_scanout_dmabuf)(DisplayChangeListener *dcl,
 232                                  QemuDmaBuf *dmabuf);
 233    /* optional */
 234    void (*dpy_gl_cursor_dmabuf)(DisplayChangeListener *dcl,
 235                                 QemuDmaBuf *dmabuf, bool have_hot,
 236                                 uint32_t hot_x, uint32_t hot_y);
 237    /* optional */
 238    void (*dpy_gl_cursor_position)(DisplayChangeListener *dcl,
 239                                   uint32_t pos_x, uint32_t pos_y);
 240    /* optional */
 241    void (*dpy_gl_release_dmabuf)(DisplayChangeListener *dcl,
 242                                  QemuDmaBuf *dmabuf);
 243    /* required if GL */
 244    void (*dpy_gl_update)(DisplayChangeListener *dcl,
 245                          uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 246
 247} DisplayChangeListenerOps;
 248
 249struct DisplayChangeListener {
 250    uint64_t update_interval;
 251    const DisplayChangeListenerOps *ops;
 252    DisplayState *ds;
 253    QemuConsole *con;
 254
 255    QLIST_ENTRY(DisplayChangeListener) next;
 256};
 257
 258DisplayState *init_displaystate(void);
 259DisplaySurface *qemu_create_displaysurface_from(int width, int height,
 260                                                pixman_format_code_t format,
 261                                                int linesize, uint8_t *data);
 262DisplaySurface *qemu_create_displaysurface_pixman(pixman_image_t *image);
 263DisplaySurface *qemu_create_placeholder_surface(int w, int h,
 264                                                const char *msg);
 265PixelFormat qemu_default_pixelformat(int bpp);
 266
 267DisplaySurface *qemu_create_displaysurface(int width, int height);
 268void qemu_free_displaysurface(DisplaySurface *surface);
 269
 270static inline int is_buffer_shared(DisplaySurface *surface)
 271{
 272    return !(surface->flags & QEMU_ALLOCATED_FLAG);
 273}
 274
 275static inline int is_placeholder(DisplaySurface *surface)
 276{
 277    return surface->flags & QEMU_PLACEHOLDER_FLAG;
 278}
 279
 280void register_displaychangelistener(DisplayChangeListener *dcl);
 281void update_displaychangelistener(DisplayChangeListener *dcl,
 282                                  uint64_t interval);
 283void unregister_displaychangelistener(DisplayChangeListener *dcl);
 284
 285bool dpy_ui_info_supported(QemuConsole *con);
 286const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
 287int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info);
 288
 289void dpy_gfx_update(QemuConsole *con, int x, int y, int w, int h);
 290void dpy_gfx_update_full(QemuConsole *con);
 291void dpy_gfx_replace_surface(QemuConsole *con,
 292                             DisplaySurface *surface);
 293void dpy_text_cursor(QemuConsole *con, int x, int y);
 294void dpy_text_update(QemuConsole *con, int x, int y, int w, int h);
 295void dpy_text_resize(QemuConsole *con, int w, int h);
 296void dpy_mouse_set(QemuConsole *con, int x, int y, int on);
 297void dpy_cursor_define(QemuConsole *con, QEMUCursor *cursor);
 298bool dpy_cursor_define_supported(QemuConsole *con);
 299bool dpy_gfx_check_format(QemuConsole *con,
 300                          pixman_format_code_t format);
 301
 302void dpy_gl_scanout_disable(QemuConsole *con);
 303void dpy_gl_scanout_texture(QemuConsole *con,
 304                            uint32_t backing_id, bool backing_y_0_top,
 305                            uint32_t backing_width, uint32_t backing_height,
 306                            uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 307void dpy_gl_scanout_dmabuf(QemuConsole *con,
 308                           QemuDmaBuf *dmabuf);
 309void dpy_gl_cursor_dmabuf(QemuConsole *con, QemuDmaBuf *dmabuf,
 310                          bool have_hot, uint32_t hot_x, uint32_t hot_y);
 311void dpy_gl_cursor_position(QemuConsole *con,
 312                            uint32_t pos_x, uint32_t pos_y);
 313void dpy_gl_release_dmabuf(QemuConsole *con,
 314                           QemuDmaBuf *dmabuf);
 315void dpy_gl_update(QemuConsole *con,
 316                   uint32_t x, uint32_t y, uint32_t w, uint32_t h);
 317
 318QEMUGLContext dpy_gl_ctx_create(QemuConsole *con,
 319                                QEMUGLParams *params);
 320void dpy_gl_ctx_destroy(QemuConsole *con, QEMUGLContext ctx);
 321int dpy_gl_ctx_make_current(QemuConsole *con, QEMUGLContext ctx);
 322
 323bool console_has_gl(QemuConsole *con);
 324
 325static inline int surface_stride(DisplaySurface *s)
 326{
 327    return pixman_image_get_stride(s->image);
 328}
 329
 330static inline void *surface_data(DisplaySurface *s)
 331{
 332    return pixman_image_get_data(s->image);
 333}
 334
 335static inline int surface_width(DisplaySurface *s)
 336{
 337    return pixman_image_get_width(s->image);
 338}
 339
 340static inline int surface_height(DisplaySurface *s)
 341{
 342    return pixman_image_get_height(s->image);
 343}
 344
 345static inline int surface_bits_per_pixel(DisplaySurface *s)
 346{
 347    int bits = PIXMAN_FORMAT_BPP(s->format);
 348    return bits;
 349}
 350
 351static inline int surface_bytes_per_pixel(DisplaySurface *s)
 352{
 353    int bits = PIXMAN_FORMAT_BPP(s->format);
 354    return DIV_ROUND_UP(bits, 8);
 355}
 356
 357static inline pixman_format_code_t surface_format(DisplaySurface *s)
 358{
 359    return s->format;
 360}
 361
 362typedef uint32_t console_ch_t;
 363
 364static inline void console_write_ch(console_ch_t *dest, uint32_t ch)
 365{
 366    *dest = ch;
 367}
 368
 369enum {
 370    GRAPHIC_FLAGS_NONE     = 0,
 371    /* require a console/display with GL callbacks */
 372    GRAPHIC_FLAGS_GL       = 1 << 0,
 373    /* require a console/display with DMABUF import */
 374    GRAPHIC_FLAGS_DMABUF   = 1 << 1,
 375};
 376
 377typedef struct GraphicHwOps {
 378    int (*get_flags)(void *opaque); /* optional, default 0 */
 379    void (*invalidate)(void *opaque);
 380    void (*gfx_update)(void *opaque);
 381    bool gfx_update_async; /* if true, calls graphic_hw_update_done() */
 382    void (*text_update)(void *opaque, console_ch_t *text);
 383    void (*update_interval)(void *opaque, uint64_t interval);
 384    int (*ui_info)(void *opaque, uint32_t head, QemuUIInfo *info);
 385    void (*gl_block)(void *opaque, bool block);
 386    void (*gl_flushed)(void *opaque);
 387} GraphicHwOps;
 388
 389QemuConsole *graphic_console_init(DeviceState *dev, uint32_t head,
 390                                  const GraphicHwOps *ops,
 391                                  void *opaque);
 392void graphic_console_set_hwops(QemuConsole *con,
 393                               const GraphicHwOps *hw_ops,
 394                               void *opaque);
 395void graphic_console_close(QemuConsole *con);
 396
 397void graphic_hw_update(QemuConsole *con);
 398void graphic_hw_update_done(QemuConsole *con);
 399void graphic_hw_invalidate(QemuConsole *con);
 400void graphic_hw_text_update(QemuConsole *con, console_ch_t *chardata);
 401void graphic_hw_gl_block(QemuConsole *con, bool block);
 402void graphic_hw_gl_flushed(QemuConsole *con);
 403
 404void qemu_console_early_init(void);
 405
 406QemuConsole *qemu_console_lookup_by_index(unsigned int index);
 407QemuConsole *qemu_console_lookup_by_device(DeviceState *dev, uint32_t head);
 408QemuConsole *qemu_console_lookup_by_device_name(const char *device_id,
 409                                                uint32_t head, Error **errp);
 410QemuConsole *qemu_console_lookup_unused(void);
 411bool qemu_console_is_visible(QemuConsole *con);
 412bool qemu_console_is_graphic(QemuConsole *con);
 413bool qemu_console_is_fixedsize(QemuConsole *con);
 414bool qemu_console_is_gl_blocked(QemuConsole *con);
 415char *qemu_console_get_label(QemuConsole *con);
 416int qemu_console_get_index(QemuConsole *con);
 417uint32_t qemu_console_get_head(QemuConsole *con);
 418int qemu_console_get_width(QemuConsole *con, int fallback);
 419int qemu_console_get_height(QemuConsole *con, int fallback);
 420/* Return the low-level window id for the console */
 421int qemu_console_get_window_id(QemuConsole *con);
 422/* Set the low-level window id for the console */
 423void qemu_console_set_window_id(QemuConsole *con, int window_id);
 424
 425void console_select(unsigned int index);
 426void qemu_console_resize(QemuConsole *con, int width, int height);
 427DisplaySurface *qemu_console_surface(QemuConsole *con);
 428
 429/* console-gl.c */
 430#ifdef CONFIG_OPENGL
 431bool console_gl_check_format(DisplayChangeListener *dcl,
 432                             pixman_format_code_t format);
 433void surface_gl_create_texture(QemuGLShader *gls,
 434                               DisplaySurface *surface);
 435void surface_gl_update_texture(QemuGLShader *gls,
 436                               DisplaySurface *surface,
 437                               int x, int y, int w, int h);
 438void surface_gl_render_texture(QemuGLShader *gls,
 439                               DisplaySurface *surface);
 440void surface_gl_destroy_texture(QemuGLShader *gls,
 441                               DisplaySurface *surface);
 442void surface_gl_setup_viewport(QemuGLShader *gls,
 443                               DisplaySurface *surface,
 444                               int ww, int wh);
 445#endif
 446
 447typedef struct QemuDisplay QemuDisplay;
 448
 449struct QemuDisplay {
 450    DisplayType type;
 451    void (*early_init)(DisplayOptions *opts);
 452    void (*init)(DisplayState *ds, DisplayOptions *opts);
 453};
 454
 455void qemu_display_register(QemuDisplay *ui);
 456bool qemu_display_find_default(DisplayOptions *opts);
 457void qemu_display_early_init(DisplayOptions *opts);
 458void qemu_display_init(DisplayState *ds, DisplayOptions *opts);
 459void qemu_display_help(void);
 460
 461/* vnc.c */
 462void vnc_display_init(const char *id, Error **errp);
 463void vnc_display_open(const char *id, Error **errp);
 464void vnc_display_add_client(const char *id, int csock, bool skipauth);
 465int vnc_display_password(const char *id, const char *password);
 466int vnc_display_pw_expire(const char *id, time_t expires);
 467void vnc_parse(const char *str);
 468int vnc_init_func(void *opaque, QemuOpts *opts, Error **errp);
 469bool vnc_display_reload_certs(const char *id,  Error **errp);
 470
 471/* input.c */
 472int index_from_key(const char *key, size_t key_length);
 473
 474#endif
 475