ui/spice-display.c

   1 /*
   2  * Copyright (C) 2010 Red Hat, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 or
   7  * (at your option) version 3 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #include "qemu-common.h"
  19 #include "ui/qemu-spice.h"
  20 #include "qemu/timer.h"
  21 #include "qemu/queue.h"
  22 #include "monitor/monitor.h"
  23 #include "ui/console.h"
  24 #include "sysemu/sysemu.h"
  25 #include "trace.h"
  26
  27 #include "ui/spice-display.h"
  28
  29 static int debug = 0;
  30
  31 static void GCC_FMT_ATTR(2, 3) dprint(int level, const char *fmt, ...)
  32 {
  33     va_list args;
  34
  35     if (level <= debug) {
  36         va_start(args, fmt);
  37         vfprintf(stderr, fmt, args);
  38         va_end(args);
  39     }
  40 }
  41
  42 int qemu_spice_rect_is_empty(const QXLRect* r)
  43 {
  44     return r->top == r->bottom || r->left == r->right;
  45 }
  46
  47 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r)
  48 {
  49     if (qemu_spice_rect_is_empty(r)) {
  50         return;
  51     }
  52
  53     if (qemu_spice_rect_is_empty(dest)) {
  54         *dest = *r;
  55         return;
  56     }
  57
  58     dest->top = MIN(dest->top, r->top);
  59     dest->left = MIN(dest->left, r->left);
  60     dest->bottom = MAX(dest->bottom, r->bottom);
  61     dest->right = MAX(dest->right, r->right);
  62 }
  63
  64 QXLCookie *qxl_cookie_new(int type, uint64_t io)
  65 {
  66     QXLCookie *cookie;
  67
  68     cookie = g_malloc0(sizeof(*cookie));
  69     cookie->type = type;
  70     cookie->io = io;
  71     return cookie;
  72 }
  73
  74 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
  75                             qxl_async_io async)
  76 {
  77     trace_qemu_spice_add_memslot(ssd->qxl.id, memslot->slot_id,
  78                                 memslot->virt_start, memslot->virt_end,
  79                                 async);
  80
  81     if (async != QXL_SYNC) {
  82         spice_qxl_add_memslot_async(&ssd->qxl, memslot,
  83                 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
  84                                           QXL_IO_MEMSLOT_ADD_ASYNC));
  85     } else {
  86         spice_qxl_add_memslot(&ssd->qxl, memslot);
  87     }
  88 }
  89
  90 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, uint32_t sid)
  91 {
  92     trace_qemu_spice_del_memslot(ssd->qxl.id, gid, sid);
  93     spice_qxl_del_memslot(&ssd->qxl, gid, sid);
  94 }
  95
  96 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
  97                                        QXLDevSurfaceCreate *surface,
  98                                        qxl_async_io async)
  99 {
 100     trace_qemu_spice_create_primary_surface(ssd->qxl.id, id, surface, async);
 101     if (async != QXL_SYNC) {
 102         spice_qxl_create_primary_surface_async(&ssd->qxl, id, surface,
 103                 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
 104                                           QXL_IO_CREATE_PRIMARY_ASYNC));
 105     } else {
 106         spice_qxl_create_primary_surface(&ssd->qxl, id, surface);
 107     }
 108 }
 109
 110 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
 111                                         uint32_t id, qxl_async_io async)
 112 {
 113     trace_qemu_spice_destroy_primary_surface(ssd->qxl.id, id, async);
 114     if (async != QXL_SYNC) {
 115         spice_qxl_destroy_primary_surface_async(&ssd->qxl, id,
 116                 (uintptr_t)qxl_cookie_new(QXL_COOKIE_TYPE_IO,
 117                                           QXL_IO_DESTROY_PRIMARY_ASYNC));
 118     } else {
 119         spice_qxl_destroy_primary_surface(&ssd->qxl, id);
 120     }
 121 }
 122
 123 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd)
 124 {
 125     trace_qemu_spice_wakeup(ssd->qxl.id);
 126     spice_qxl_wakeup(&ssd->qxl);
 127 }
 128
 129 static void qemu_spice_create_one_update(SimpleSpiceDisplay *ssd,
 130                                          QXLRect *rect)
 131 {
 132     SimpleSpiceUpdate *update;
 133     QXLDrawable *drawable;
 134     QXLImage *image;
 135     QXLCommand *cmd;
 136     int bw, bh;
 137     struct timespec time_space;
 138     pixman_image_t *dest;
 139
 140     trace_qemu_spice_create_update(
 141            rect->left, rect->right,
 142            rect->top, rect->bottom);
 143
 144     update   = g_malloc0(sizeof(*update));
 145     drawable = &update->drawable;
 146     image    = &update->image;
 147     cmd      = &update->ext.cmd;
 148
 149     bw       = rect->right - rect->left;
 150     bh       = rect->bottom - rect->top;
 151     update->bitmap = g_malloc(bw * bh * 4);
 152
 153     drawable->bbox            = *rect;
 154     drawable->clip.type       = SPICE_CLIP_TYPE_NONE;
 155     drawable->effect          = QXL_EFFECT_OPAQUE;
 156     drawable->release_info.id = (uintptr_t)(&update->ext);
 157     drawable->type            = QXL_DRAW_COPY;
 158     drawable->surfaces_dest[0] = -1;
 159     drawable->surfaces_dest[1] = -1;
 160     drawable->surfaces_dest[2] = -1;
 161     clock_gettime(CLOCK_MONOTONIC, &time_space);
 162     /* time in milliseconds from epoch. */
 163     drawable->mm_time = time_space.tv_sec * 1000
 164                       + time_space.tv_nsec / 1000 / 1000;
 165
 166     drawable->u.copy.rop_descriptor  = SPICE_ROPD_OP_PUT;
 167     drawable->u.copy.src_bitmap      = (uintptr_t)image;
 168     drawable->u.copy.src_area.right  = bw;
 169     drawable->u.copy.src_area.bottom = bh;
 170
 171     QXL_SET_IMAGE_ID(image, QXL_IMAGE_GROUP_DEVICE, ssd->unique++);
 172     image->descriptor.type   = SPICE_IMAGE_TYPE_BITMAP;
 173     image->bitmap.flags      = QXL_BITMAP_DIRECT | QXL_BITMAP_TOP_DOWN;
 174     image->bitmap.stride     = bw * 4;
 175     image->descriptor.width  = image->bitmap.x = bw;
 176     image->descriptor.height = image->bitmap.y = bh;
 177     image->bitmap.data = (uintptr_t)(update->bitmap);
 178     image->bitmap.palette = 0;
 179     image->bitmap.format = SPICE_BITMAP_FMT_32BIT;
 180
 181     dest = pixman_image_create_bits(PIXMAN_x8r8g8b8, bw, bh,
 182                                     (void *)update->bitmap, bw * 4);
 183     pixman_image_composite(PIXMAN_OP_SRC, ssd->surface, NULL, ssd->mirror,
 184                            rect->left, rect->top, 0, 0,
 185                            rect->left, rect->top, bw, bh);
 186     pixman_image_composite(PIXMAN_OP_SRC, ssd->mirror, NULL, dest,
 187                            rect->left, rect->top, 0, 0,
 188                            0, 0, bw, bh);
 189     pixman_image_unref(dest);
 190
 191     cmd->type = QXL_CMD_DRAW;
 192     cmd->data = (uintptr_t)drawable;
 193
 194     QTAILQ_INSERT_TAIL(&ssd->updates, update, next);
 195 }
 196
 197 static void qemu_spice_create_update(SimpleSpiceDisplay *ssd)
 198 {
 199     static const int blksize = 32;
 200     int blocks = (surface_width(ssd->ds) + blksize - 1) / blksize;
 201     int dirty_top[blocks];
 202     int y, yoff, x, xoff, blk, bw;
 203     int bpp = surface_bytes_per_pixel(ssd->ds);
 204     uint8_t *guest, *mirror;
 205
 206     if (qemu_spice_rect_is_empty(&ssd->dirty)) {
 207         return;
 208     };
 209
 210     if (ssd->surface == NULL) {
 211         ssd->surface = pixman_image_ref(ssd->ds->image);
 212         ssd->mirror  = qemu_pixman_mirror_create(ssd->ds->format,
 213                                                  ssd->ds->image);
 214     }
 215
 216     for (blk = 0; blk < blocks; blk++) {
 217         dirty_top[blk] = -1;
 218     }
 219
 220     guest = surface_data(ssd->ds);
 221     mirror = (void *)pixman_image_get_data(ssd->mirror);
 222     for (y = ssd->dirty.top; y < ssd->dirty.bottom; y++) {
 223         yoff = y * surface_stride(ssd->ds);
 224         for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
 225             xoff = x * bpp;
 226             blk = x / blksize;
 227             bw = MIN(blksize, ssd->dirty.right - x);
 228             if (memcmp(guest + yoff + xoff,
 229                        mirror + yoff + xoff,
 230                        bw * bpp) == 0) {
 231                 if (dirty_top[blk] != -1) {
 232                     QXLRect update = {
 233                         .top    = dirty_top[blk],
 234                         .bottom = y,
 235                         .left   = x,
 236                         .right  = x + bw,
 237                     };
 238                     qemu_spice_create_one_update(ssd, &update);
 239                     dirty_top[blk] = -1;
 240                 }
 241             } else {
 242                 if (dirty_top[blk] == -1) {
 243                     dirty_top[blk] = y;
 244                 }
 245             }
 246         }
 247     }
 248
 249     for (x = ssd->dirty.left; x < ssd->dirty.right; x += blksize) {
 250         blk = x / blksize;
 251         bw = MIN(blksize, ssd->dirty.right - x);
 252         if (dirty_top[blk] != -1) {
 253             QXLRect update = {
 254                 .top    = dirty_top[blk],
 255                 .bottom = ssd->dirty.bottom,
 256                 .left   = x,
 257                 .right  = x + bw,
 258             };
 259             qemu_spice_create_one_update(ssd, &update);
 260             dirty_top[blk] = -1;
 261         }
 262     }
 263
 264     memset(&ssd->dirty, 0, sizeof(ssd->dirty));
 265 }
 266
 267 static SimpleSpiceCursor*
 268 qemu_spice_create_cursor_update(SimpleSpiceDisplay *ssd,
 269                                 QEMUCursor *c)
 270 {
 271     size_t size = c ? c->width * c->height * 4 : 0;
 272     SimpleSpiceCursor *update;
 273     QXLCursorCmd *ccmd;
 274     QXLCursor *cursor;
 275     QXLCommand *cmd;
 276
 277     update   = g_malloc0(sizeof(*update) + size);
 278     ccmd     = &update->cmd;
 279     cursor   = &update->cursor;
 280     cmd      = &update->ext.cmd;
 281
 282     if (c) {
 283         ccmd->type = QXL_CURSOR_SET;
 284         ccmd->u.set.position.x = ssd->ptr_x;
 285         ccmd->u.set.position.y = ssd->ptr_y;
 286         ccmd->u.set.visible    = true;
 287         ccmd->u.set.shape      = (uintptr_t)cursor;
 288         cursor->header.unique     = ssd->unique++;
 289         cursor->header.type       = SPICE_CURSOR_TYPE_ALPHA;
 290         cursor->header.width      = c->width;
 291         cursor->header.height     = c->height;
 292         cursor->header.hot_spot_x = c->hot_x;
 293         cursor->header.hot_spot_y = c->hot_y;
 294         cursor->data_size         = size;
 295         cursor->chunk.data_size   = size;
 296         memcpy(cursor->chunk.data, c->data, size);
 297     } else {
 298         ccmd->type = QXL_CURSOR_MOVE;
 299         ccmd->u.position.x = ssd->ptr_x;
 300         ccmd->u.position.y = ssd->ptr_y;
 301     }
 302     ccmd->release_info.id = (uintptr_t)(&update->ext);
 303
 304     cmd->type = QXL_CMD_CURSOR;
 305     cmd->data = (uintptr_t)ccmd;
 306
 307     return update;
 308 }
 309
 310 /*
 311  * Called from spice server thread context (via interface_release_resource)
 312  * We do *not* hold the global qemu mutex here, so extra care is needed
 313  * when calling qemu functions.  QEMU interfaces used:
 314  *    - g_free (underlying glibc free is re-entrant).
 315  */
 316 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update)
 317 {
 318     g_free(update->bitmap);
 319     g_free(update);
 320 }
 321
 322 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd)
 323 {
 324     QXLDevMemSlot memslot;
 325
 326     dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
 327
 328     memset(&memslot, 0, sizeof(memslot));
 329     memslot.slot_group_id = MEMSLOT_GROUP_HOST;
 330     memslot.virt_end = ~0;
 331     qemu_spice_add_memslot(ssd, &memslot, QXL_SYNC);
 332 }
 333
 334 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd)
 335 {
 336     QXLDevSurfaceCreate surface;
 337     uint64_t surface_size;
 338
 339     memset(&surface, 0, sizeof(surface));
 340
 341     surface_size = (uint64_t) surface_width(ssd->ds) *
 342         surface_height(ssd->ds) * 4;
 343     assert(surface_size > 0);
 344     assert(surface_size < INT_MAX);
 345     if (ssd->bufsize < surface_size) {
 346         ssd->bufsize = surface_size;
 347         g_free(ssd->buf);
 348         ssd->buf = g_malloc(ssd->bufsize);
 349     }
 350
 351     dprint(1, "%s/%d: %ux%u (size %" PRIu64 "/%d)\n", __func__, ssd->qxl.id,
 352            surface_width(ssd->ds), surface_height(ssd->ds),
 353            surface_size, ssd->bufsize);
 354
 355     surface.format     = SPICE_SURFACE_FMT_32_xRGB;
 356     surface.width      = surface_width(ssd->ds);
 357     surface.height     = surface_height(ssd->ds);
 358     surface.stride     = -surface.width * 4;
 359     surface.mouse_mode = true;
 360     surface.flags      = 0;
 361     surface.type       = 0;
 362     surface.mem        = (uintptr_t)ssd->buf;
 363     surface.group_id   = MEMSLOT_GROUP_HOST;
 364
 365     qemu_spice_create_primary_surface(ssd, 0, &surface, QXL_SYNC);
 366 }
 367
 368 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd)
 369 {
 370     dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
 371
 372     qemu_spice_destroy_primary_surface(ssd, 0, QXL_SYNC);
 373 }
 374
 375 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd)
 376 {
 377     qemu_mutex_init(&ssd->lock);
 378     QTAILQ_INIT(&ssd->updates);
 379     ssd->mouse_x = -1;
 380     ssd->mouse_y = -1;
 381     if (ssd->num_surfaces == 0) {
 382         ssd->num_surfaces = 1024;
 383     }
 384 }
 385
 386 /* display listener callbacks */
 387
 388 void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
 389                                int x, int y, int w, int h)
 390 {
 391     QXLRect update_area;
 392
 393     dprint(2, "%s/%d: x %d y %d w %d h %d\n", __func__,
 394            ssd->qxl.id, x, y, w, h);
 395     update_area.left = x,
 396     update_area.right = x + w;
 397     update_area.top = y;
 398     update_area.bottom = y + h;
 399
 400     if (qemu_spice_rect_is_empty(&ssd->dirty)) {
 401         ssd->notify++;
 402     }
 403     qemu_spice_rect_union(&ssd->dirty, &update_area);
 404 }
 405
 406 void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
 407                                DisplaySurface *surface)
 408 {
 409     SimpleSpiceUpdate *update;
 410     bool need_destroy;
 411
 412     dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
 413
 414     memset(&ssd->dirty, 0, sizeof(ssd->dirty));
 415     if (ssd->surface) {
 416         pixman_image_unref(ssd->surface);
 417         ssd->surface = NULL;
 418         pixman_image_unref(ssd->mirror);
 419         ssd->mirror = NULL;
 420     }
 421
 422     qemu_mutex_lock(&ssd->lock);
 423     need_destroy = (ssd->ds != NULL);
 424     ssd->ds = surface;
 425     while ((update = QTAILQ_FIRST(&ssd->updates)) != NULL) {
 426         QTAILQ_REMOVE(&ssd->updates, update, next);
 427         qemu_spice_destroy_update(ssd, update);
 428     }
 429     qemu_mutex_unlock(&ssd->lock);
 430     if (need_destroy) {
 431         qemu_spice_destroy_host_primary(ssd);
 432     }
 433     if (ssd->ds) {
 434         qemu_spice_create_host_primary(ssd);
 435     }
 436
 437     memset(&ssd->dirty, 0, sizeof(ssd->dirty));
 438     ssd->notify++;
 439 }
 440
 441 void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd)
 442 {
 443     if (ssd->cursor) {
 444         assert(ssd->dcl.con);
 445         dpy_cursor_define(ssd->dcl.con, ssd->cursor);
 446         cursor_put(ssd->cursor);
 447         ssd->cursor = NULL;
 448     }
 449     if (ssd->mouse_x != -1 && ssd->mouse_y != -1) {
 450         assert(ssd->dcl.con);
 451         dpy_mouse_set(ssd->dcl.con, ssd->mouse_x, ssd->mouse_y, 1);
 452         ssd->mouse_x = -1;
 453         ssd->mouse_y = -1;
 454     }
 455 }
 456
 457 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd)
 458 {
 459     dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
 460     graphic_hw_update(ssd->dcl.con);
 461
 462     qemu_mutex_lock(&ssd->lock);
 463     if (QTAILQ_EMPTY(&ssd->updates) && ssd->ds) {
 464         qemu_spice_create_update(ssd);
 465         ssd->notify++;
 466     }
 467     qemu_spice_cursor_refresh_unlocked(ssd);
 468     qemu_mutex_unlock(&ssd->lock);
 469
 470     if (ssd->notify) {
 471         ssd->notify = 0;
 472         qemu_spice_wakeup(ssd);
 473         dprint(2, "%s/%d: notify\n", __func__, ssd->qxl.id);
 474     }
 475 }
 476
 477 /* spice display interface callbacks */
 478
 479 static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
 480 {
 481     SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 482
 483     dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
 484     ssd->worker = qxl_worker;
 485 }
 486
 487 static void interface_set_compression_level(QXLInstance *sin, int level)
 488 {
 489     dprint(1, "%s/%d:\n", __func__, sin->id);
 490     /* nothing to do */
 491 }
 492
 493 static void interface_set_mm_time(QXLInstance *sin, uint32_t mm_time)
 494 {
 495     dprint(3, "%s/%d:\n", __func__, sin->id);
 496     /* nothing to do */
 497 }
 498
 499 static void interface_get_init_info(QXLInstance *sin, QXLDevInitInfo *info)
 500 {
 501     SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 502
 503     info->memslot_gen_bits = MEMSLOT_GENERATION_BITS;
 504     info->memslot_id_bits  = MEMSLOT_SLOT_BITS;
 505     info->num_memslots = NUM_MEMSLOTS;
 506     info->num_memslots_groups = NUM_MEMSLOTS_GROUPS;
 507     info->internal_groupslot_id = 0;
 508     info->qxl_ram_size = 16 * 1024 * 1024;
 509     info->n_surfaces = ssd->num_surfaces;
 510 }
 511
 512 static int interface_get_command(QXLInstance *sin, struct QXLCommandExt *ext)
 513 {
 514     SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 515     SimpleSpiceUpdate *update;
 516     int ret = false;
 517
 518     dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
 519
 520     qemu_mutex_lock(&ssd->lock);
 521     update = QTAILQ_FIRST(&ssd->updates);
 522     if (update != NULL) {
 523         QTAILQ_REMOVE(&ssd->updates, update, next);
 524         *ext = update->ext;
 525         ret = true;
 526     }
 527     qemu_mutex_unlock(&ssd->lock);
 528
 529     return ret;
 530 }
 531
 532 static int interface_req_cmd_notification(QXLInstance *sin)
 533 {
 534     dprint(1, "%s/%d:\n", __func__, sin->id);
 535     return 1;
 536 }
 537
 538 static void interface_release_resource(QXLInstance *sin,
 539                                        struct QXLReleaseInfoExt rext)
 540 {
 541     SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 542     SimpleSpiceUpdate *update;
 543     SimpleSpiceCursor *cursor;
 544     QXLCommandExt *ext;
 545
 546     dprint(2, "%s/%d:\n", __func__, ssd->qxl.id);
 547     ext = (void *)(intptr_t)(rext.info->id);
 548     switch (ext->cmd.type) {
 549     case QXL_CMD_DRAW:
 550         update = container_of(ext, SimpleSpiceUpdate, ext);
 551         qemu_spice_destroy_update(ssd, update);
 552         break;
 553     case QXL_CMD_CURSOR:
 554         cursor = container_of(ext, SimpleSpiceCursor, ext);
 555         g_free(cursor);
 556         break;
 557     default:
 558         g_assert_not_reached();
 559     }
 560 }
 561
 562 static int interface_get_cursor_command(QXLInstance *sin, struct QXLCommandExt *ext)
 563 {
 564     SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 565     int ret;
 566
 567     dprint(3, "%s/%d:\n", __func__, ssd->qxl.id);
 568
 569     qemu_mutex_lock(&ssd->lock);
 570     if (ssd->ptr_define) {
 571         *ext = ssd->ptr_define->ext;
 572         ssd->ptr_define = NULL;
 573         ret = true;
 574     } else if (ssd->ptr_move) {
 575         *ext = ssd->ptr_move->ext;
 576         ssd->ptr_move = NULL;
 577         ret = true;
 578     } else {
 579         ret = false;
 580     }
 581     qemu_mutex_unlock(&ssd->lock);
 582     return ret;
 583 }
 584
 585 static int interface_req_cursor_notification(QXLInstance *sin)
 586 {
 587     dprint(1, "%s:\n", __FUNCTION__);
 588     return 1;
 589 }
 590
 591 static void interface_notify_update(QXLInstance *sin, uint32_t update_id)
 592 {
 593     fprintf(stderr, "%s: abort()\n", __FUNCTION__);
 594     abort();
 595 }
 596
 597 static int interface_flush_resources(QXLInstance *sin)
 598 {
 599     fprintf(stderr, "%s: abort()\n", __FUNCTION__);
 600     abort();
 601     return 0;
 602 }
 603
 604 static void interface_update_area_complete(QXLInstance *sin,
 605         uint32_t surface_id,
 606         QXLRect *dirty, uint32_t num_updated_rects)
 607 {
 608     /* should never be called, used in qxl native mode only */
 609     fprintf(stderr, "%s: abort()\n", __func__);
 610     abort();
 611 }
 612
 613 /* called from spice server thread context only */
 614 static void interface_async_complete(QXLInstance *sin, uint64_t cookie_token)
 615 {
 616     /* should never be called, used in qxl native mode only */
 617     fprintf(stderr, "%s: abort()\n", __func__);
 618     abort();
 619 }
 620
 621 static void interface_set_client_capabilities(QXLInstance *sin,
 622                                               uint8_t client_present,
 623                                               uint8_t caps[58])
 624 {
 625     dprint(3, "%s:\n", __func__);
 626 }
 627
 628 static int interface_client_monitors_config(QXLInstance *sin,
 629                                             VDAgentMonitorsConfig *mc)
 630 {
 631     SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 632     QemuUIInfo info;
 633     int rc;
 634
 635     if (!mc) {
 636         return 1;
 637     }
 638
 639     /*
 640      * FIXME: multihead is tricky due to the way
 641      * spice has multihead implemented.
 642      */
 643     memset(&info, 0, sizeof(info));
 644     if (mc->num_of_monitors > 0) {
 645         info.width  = mc->monitors[0].width;
 646         info.height = mc->monitors[0].height;
 647     }
 648     rc = dpy_set_ui_info(ssd->dcl.con, &info);
 649     dprint(1, "%s/%d: size %dx%d, rc %d   <---   ==========================\n",
 650            __func__, ssd->qxl.id, info.width, info.height, rc);
 651     if (rc != 0) {
 652         return 0; /* == not supported by guest */
 653     } else {
 654         return 1;
 655     }
 656 }
 657
 658 static const QXLInterface dpy_interface = {
 659     .base.type               = SPICE_INTERFACE_QXL,
 660     .base.description        = "qemu simple display",
 661     .base.major_version      = SPICE_INTERFACE_QXL_MAJOR,
 662     .base.minor_version      = SPICE_INTERFACE_QXL_MINOR,
 663
 664     .attache_worker          = interface_attach_worker,
 665     .set_compression_level   = interface_set_compression_level,
 666     .set_mm_time             = interface_set_mm_time,
 667     .get_init_info           = interface_get_init_info,
 668
 669     /* the callbacks below are called from spice server thread context */
 670     .get_command             = interface_get_command,
 671     .req_cmd_notification    = interface_req_cmd_notification,
 672     .release_resource        = interface_release_resource,
 673     .get_cursor_command      = interface_get_cursor_command,
 674     .req_cursor_notification = interface_req_cursor_notification,
 675     .notify_update           = interface_notify_update,
 676     .flush_resources         = interface_flush_resources,
 677     .async_complete          = interface_async_complete,
 678     .update_area_complete    = interface_update_area_complete,
 679     .set_client_capabilities = interface_set_client_capabilities,
 680     .client_monitors_config  = interface_client_monitors_config,
 681 };
 682
 683 static void display_update(DisplayChangeListener *dcl,
 684                            int x, int y, int w, int h)
 685 {
 686     SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 687     qemu_spice_display_update(ssd, x, y, w, h);
 688 }
 689
 690 static void display_switch(DisplayChangeListener *dcl,
 691                            struct DisplaySurface *surface)
 692 {
 693     SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 694     qemu_spice_display_switch(ssd, surface);
 695 }
 696
 697 static void display_refresh(DisplayChangeListener *dcl)
 698 {
 699     SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 700     qemu_spice_display_refresh(ssd);
 701 }
 702
 703 static void display_mouse_set(DisplayChangeListener *dcl,
 704                               int x, int y, int on)
 705 {
 706     SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 707
 708     qemu_mutex_lock(&ssd->lock);
 709     ssd->ptr_x = x;
 710     ssd->ptr_y = x;
 711     if (ssd->ptr_move) {
 712         g_free(ssd->ptr_move);
 713     }
 714     ssd->ptr_move = qemu_spice_create_cursor_update(ssd, NULL);
 715     qemu_mutex_unlock(&ssd->lock);
 716 }
 717
 718 static void display_mouse_define(DisplayChangeListener *dcl,
 719                                  QEMUCursor *c)
 720 {
 721     SimpleSpiceDisplay *ssd = container_of(dcl, SimpleSpiceDisplay, dcl);
 722
 723     qemu_mutex_lock(&ssd->lock);
 724     if (ssd->ptr_move) {
 725         g_free(ssd->ptr_move);
 726         ssd->ptr_move = NULL;
 727     }
 728     if (ssd->ptr_define) {
 729         g_free(ssd->ptr_define);
 730     }
 731     ssd->ptr_define = qemu_spice_create_cursor_update(ssd, c);
 732     qemu_mutex_unlock(&ssd->lock);
 733 }
 734
 735 static const DisplayChangeListenerOps display_listener_ops = {
 736     .dpy_name          = "spice",
 737     .dpy_gfx_update    = display_update,
 738     .dpy_gfx_switch    = display_switch,
 739     .dpy_refresh       = display_refresh,
 740     .dpy_mouse_set     = display_mouse_set,
 741     .dpy_cursor_define = display_mouse_define,
 742 };
 743
 744 static void qemu_spice_display_init_one(QemuConsole *con)
 745 {
 746     SimpleSpiceDisplay *ssd = g_new0(SimpleSpiceDisplay, 1);
 747
 748     qemu_spice_display_init_common(ssd);
 749
 750     ssd->qxl.base.sif = &dpy_interface.base;
 751     qemu_spice_add_display_interface(&ssd->qxl, con);
 752     assert(ssd->worker);
 753
 754     qemu_spice_create_host_memslot(ssd);
 755
 756     ssd->dcl.ops = &display_listener_ops;
 757     ssd->dcl.con = con;
 758     register_displaychangelistener(&ssd->dcl);
 759 }
 760
 761 void qemu_spice_display_init(void)
 762 {
 763     QemuConsole *con;
 764     int i;
 765
 766     for (i = 0;; i++) {
 767         con = qemu_console_lookup_by_index(i);
 768         if (!con || !qemu_console_is_graphic(con)) {
 769             break;
 770         }
 771         if (qemu_spice_have_display_interface(con)) {
 772             continue;
 773         }
 774         qemu_spice_display_init_one(con);
 775     }
 776 }