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 */ 44 typedef enum qxl_async_io { 45 QXL_SYNC, 46 QXL_ASYNC, 47 } qxl_async_io; 48 49 enum { 50 QXL_COOKIE_TYPE_IO, 51 QXL_COOKIE_TYPE_RENDER_UPDATE_AREA, 52 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG, 53 }; 54 55 typedef 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 68 QXLCookie *qxl_cookie_new(int type, uint64_t io); 69 70 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay; 71 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate; 72 73 struct 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 99 struct SimpleSpiceUpdate { 100 QXLDrawable drawable; 101 QXLImage image; 102 QXLCommandExt ext; 103 uint8_t *bitmap; 104 QTAILQ_ENTRY(SimpleSpiceUpdate) next; 105 }; 106 107 int qemu_spice_rect_is_empty(const QXLRect* r); 108 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r); 109 110 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update); 111 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd); 112 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd); 113 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd); 114 void qemu_spice_vm_change_state_handler(void *opaque, int running, 115 RunState state); 116 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd); 117 118 void qemu_spice_display_update(SimpleSpiceDisplay *ssd, 119 int x, int y, int w, int h); 120 void qemu_spice_display_switch(SimpleSpiceDisplay *ssd, 121 DisplaySurface *surface); 122 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd); 123 void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd); 124 125 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot, 126 qxl_async_io async); 127 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, 128 uint32_t sid); 129 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id, 130 QXLDevSurfaceCreate *surface, 131 qxl_async_io async); 132 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd, 133 uint32_t id, qxl_async_io async); 134 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd); 135 void qemu_spice_display_start(void); 136 void qemu_spice_display_stop(void); 137 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd); 138