ui/spice-display.h

   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 <spice/ipc_ring.h>
  19 #include <spice/enums.h>
  20 #include <spice/qxl_dev.h>
  21
  22 #include "qemu-thread.h"
  23 #include "console.h"
  24 #include "pflib.h"
  25
  26 #define NUM_MEMSLOTS 8
  27 #define MEMSLOT_GENERATION_BITS 8
  28 #define MEMSLOT_SLOT_BITS 8
  29
  30 #define MEMSLOT_GROUP_HOST  0
  31 #define MEMSLOT_GROUP_GUEST 1
  32 #define NUM_MEMSLOTS_GROUPS 2
  33
  34 #define NUM_SURFACES 1024
  35
  36 /*
  37  * Internal enum to differenciate between options for
  38  * io calls that have a sync (old) version and an _async (new)
  39  * version:
  40  *  QXL_SYNC: use the old version
  41  *  QXL_ASYNC: use the new version and make sure there are no two
  42  *   happening at the same time. This is used for guest initiated
  43  *   calls
  44  */
  45 typedef enum qxl_async_io {
  46     QXL_SYNC,
  47     QXL_ASYNC,
  48 } qxl_async_io;
  49
  50 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
  51 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
  52
  53 struct SimpleSpiceDisplay {
  54     DisplayState *ds;
  55     void *buf;
  56     int bufsize;
  57     QXLWorker *worker;
  58     QXLInstance qxl;
  59     uint32_t unique;
  60     QemuPfConv *conv;
  61
  62     QXLRect dirty;
  63     int notify;
  64     int running;
  65
  66     /*
  67      * All struct members below this comment can be accessed from
  68      * both spice server and qemu (iothread) context and any access
  69      * to them must be protected by the lock.
  70      */
  71     QemuMutex lock;
  72     SimpleSpiceUpdate *update;
  73     QEMUCursor *cursor;
  74     int mouse_x, mouse_y;
  75 };
  76
  77 struct SimpleSpiceUpdate {
  78     QXLDrawable drawable;
  79     QXLImage image;
  80     QXLCommandExt ext;
  81     uint8_t *bitmap;
  82 };
  83
  84 int qemu_spice_rect_is_empty(const QXLRect* r);
  85 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
  86
  87 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
  88 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
  89 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
  90 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
  91 void qemu_spice_vm_change_state_handler(void *opaque, int running, int reason);
  92 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds);
  93
  94 void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
  95                                int x, int y, int w, int h);
  96 void qemu_spice_display_resize(SimpleSpiceDisplay *ssd);
  97 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
  98
  99 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
 100                             qxl_async_io async);
 101 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
 102                             uint32_t sid);
 103 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
 104                                        QXLDevSurfaceCreate *surface,
 105                                        qxl_async_io async);
 106 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
 107                                         uint32_t id, qxl_async_io async);
 108 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
 109 void qemu_spice_start(SimpleSpiceDisplay *ssd);
 110 void qemu_spice_stop(SimpleSpiceDisplay *ssd);