Archipelago » qemu

/*

 * Copyright (C) 2010 Red Hat, Inc.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License as

 * published by the Free Software Foundation; either version 2 or

 * (at your option) version 3 of the License.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, see <http://www.gnu.org/licenses/>.

 */

#include <spice/ipc_ring.h>

#include <spice/enums.h>

#include <spice/qxl_dev.h>

#include "qemu-thread.h"

#include "console.h"

#include "pflib.h"

#include "sysemu.h"

#define NUM_MEMSLOTS 8

#define MEMSLOT_GENERATION_BITS 8

#define MEMSLOT_SLOT_BITS 8

#define MEMSLOT_GROUP_HOST  0

#define MEMSLOT_GROUP_GUEST 1

#define NUM_MEMSLOTS_GROUPS 2

#define NUM_SURFACES 1024

/*

 * Internal enum to differenciate between options for

 * io calls that have a sync (old) version and an _async (new)

 * version:

 *  QXL_SYNC: use the old version

 *  QXL_ASYNC: use the new version and make sure there are no two

 *   happening at the same time. This is used for guest initiated

 *   calls

 */

typedef enum qxl_async_io {

    QXL_SYNC,

    QXL_ASYNC,

} qxl_async_io;

enum {

    QXL_COOKIE_TYPE_IO,

    QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,

};

typedef struct QXLCookie {

    int      type;

    uint64_t io;

    union {

        uint32_t surface_id;

        QXLRect area;

        struct {

            QXLRect area;

            int redraw;

        } render;

    } u;

} QXLCookie;

QXLCookie *qxl_cookie_new(int type, uint64_t io);

typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;

typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;

struct SimpleSpiceDisplay {

    DisplayState *ds;

    void *buf;

    int bufsize;

    QXLWorker *worker;

    QXLInstance qxl;

    uint32_t unique;

    QemuPfConv *conv;

    QXLRect dirty;

    int notify;

    int running;

    /*

     * All struct members below this comment can be accessed from

     * both spice server and qemu (iothread) context and any access

     * to them must be protected by the lock.

     */

    QemuMutex lock;

    SimpleSpiceUpdate *update;

    QEMUCursor *cursor;

    int mouse_x, mouse_y;

};

struct SimpleSpiceUpdate {

    QXLDrawable drawable;

    QXLImage image;

    QXLCommandExt ext;

    uint8_t *bitmap;

};

int qemu_spice_rect_is_empty(const QXLRect* r);

void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);

void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);

void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);

void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);

void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);

void qemu_spice_vm_change_state_handler(void *opaque, int running,

                                        RunState state);

void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds);

void qemu_spice_display_update(SimpleSpiceDisplay *ssd,

                               int x, int y, int w, int h);

void qemu_spice_display_resize(SimpleSpiceDisplay *ssd);

void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);

void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd);

void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,

                            qxl_async_io async);

void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,

                            uint32_t sid);

void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,

                                       QXLDevSurfaceCreate *surface,

                                       qxl_async_io async);

void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,

                                        uint32_t id, qxl_async_io async);

void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);

void qemu_spice_start(SimpleSpiceDisplay *ssd);

void qemu_spice_stop(SimpleSpiceDisplay *ssd);