LXR qemu/include/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 "ui/qemu-pixman.h"
  24#include "ui/console.h"
  25#include "sysemu/sysemu.h"
  26
  27#define NUM_MEMSLOTS 8
  28#define MEMSLOT_GENERATION_BITS 8
  29#define MEMSLOT_SLOT_BITS 8
  30
  31#define MEMSLOT_GROUP_HOST  0
  32#define MEMSLOT_GROUP_GUEST 1
  33#define NUM_MEMSLOTS_GROUPS 2
  34
  35/*
  36 * Internal enum to differenciate between options for
  37 * io calls that have a sync (old) version and an _async (new)
  38 * version:
  39 *  QXL_SYNC: use the old version
  40 *  QXL_ASYNC: use the new version and make sure there are no two
  41 *   happening at the same time. This is used for guest initiated
  42 *   calls
  43 */
  44typedef enum qxl_async_io {
  45    QXL_SYNC,
  46    QXL_ASYNC,
  47} qxl_async_io;
  48
  49enum {
  50    QXL_COOKIE_TYPE_IO,
  51    QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
  52    QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
  53};
  54
  55typedef struct QXLCookie {
  56    int      type;
  57    uint64_t io;
  58    union {
  59        uint32_t surface_id;
  60        QXLRect area;
  61        struct {
  62            QXLRect area;
  63            int redraw;
  64        } render;
  65    } u;
  66} QXLCookie;
  67
  68QXLCookie *qxl_cookie_new(int type, uint64_t io);
  69
  70typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
  71typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
  72
  73struct SimpleSpiceDisplay {
  74    DisplaySurface *ds;
  75    DisplayChangeListener dcl;
  76    void *buf;
  77    int bufsize;
  78    QXLWorker *worker;
  79    QXLInstance qxl;
  80    uint32_t unique;
  81    pixman_image_t *surface;
  82    pixman_image_t *mirror;
  83    int32_t num_surfaces;
  84
  85    QXLRect dirty;
  86    int notify;
  87
  88    /*
  89     * All struct members below this comment can be accessed from
  90     * both spice server and qemu (iothread) context and any access
  91     * to them must be protected by the lock.
  92     */
  93    QemuMutex lock;
  94    QTAILQ_HEAD(, SimpleSpiceUpdate) updates;
  95    QEMUCursor *cursor;
  96    int mouse_x, mouse_y;
  97};
  98
  99struct SimpleSpiceUpdate {
 100    QXLDrawable drawable;
 101    QXLImage image;
 102    QXLCommandExt ext;
 103    uint8_t *bitmap;
 104    QTAILQ_ENTRY(SimpleSpiceUpdate) next;
 105};
 106
 107int qemu_spice_rect_is_empty(const QXLRect* r);
 108void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
 109
 110void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
 111void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
 112void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
 113void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
 114void qemu_spice_vm_change_state_handler(void *opaque, int running,
 115                                        RunState state);
 116void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd);
 117
 118void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
 119                               int x, int y, int w, int h);
 120void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
 121                               DisplaySurface *surface);
 122void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
 123void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd);
 124
 125void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
 126                            qxl_async_io async);
 127void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
 128                            uint32_t sid);
 129void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
 130                                       QXLDevSurfaceCreate *surface,
 131                                       qxl_async_io async);
 132void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
 133                                        uint32_t id, qxl_async_io async);
 134void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
 135void qemu_spice_display_start(void);
 136void qemu_spice_display_stop(void);
 137int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);
 138