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 #if defined(CONFIG_OPENGL_DMABUF) 28 # if SPICE_SERVER_VERSION >= 0x000d01 /* release 0.13.1 */ 29 # define HAVE_SPICE_GL 1 30 # include "ui/egl-helpers.h" 31 # include "ui/egl-context.h" 32 # endif 33 #endif 34 35 #define NUM_MEMSLOTS 8 36 #define MEMSLOT_GENERATION_BITS 8 37 #define MEMSLOT_SLOT_BITS 8 38 39 #define MEMSLOT_GROUP_HOST 0 40 #define MEMSLOT_GROUP_GUEST 1 41 #define NUM_MEMSLOTS_GROUPS 2 42 43 /* 44 * Internal enum to differenciate between options for 45 * io calls that have a sync (old) version and an _async (new) 46 * version: 47 * QXL_SYNC: use the old version 48 * QXL_ASYNC: use the new version and make sure there are no two 49 * happening at the same time. This is used for guest initiated 50 * calls 51 */ 52 typedef enum qxl_async_io { 53 QXL_SYNC, 54 QXL_ASYNC, 55 } qxl_async_io; 56 57 enum { 58 QXL_COOKIE_TYPE_IO, 59 QXL_COOKIE_TYPE_RENDER_UPDATE_AREA, 60 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG, 61 QXL_COOKIE_TYPE_GL_DRAW_DONE, 62 }; 63 64 typedef struct QXLCookie { 65 int type; 66 uint64_t io; 67 union { 68 uint32_t surface_id; 69 QXLRect area; 70 struct { 71 QXLRect area; 72 int redraw; 73 } render; 74 void *data; 75 } u; 76 } QXLCookie; 77 78 QXLCookie *qxl_cookie_new(int type, uint64_t io); 79 80 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay; 81 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate; 82 typedef struct SimpleSpiceCursor SimpleSpiceCursor; 83 84 struct SimpleSpiceDisplay { 85 DisplaySurface *ds; 86 DisplayChangeListener dcl; 87 void *buf; 88 int bufsize; 89 QXLWorker *worker; 90 QXLInstance qxl; 91 uint32_t unique; 92 pixman_image_t *surface; 93 pixman_image_t *mirror; 94 int32_t num_surfaces; 95 96 QXLRect dirty; 97 int notify; 98 99 /* 100 * All struct members below this comment can be accessed from 101 * both spice server and qemu (iothread) context and any access 102 * to them must be protected by the lock. 103 */ 104 QemuMutex lock; 105 QTAILQ_HEAD(, SimpleSpiceUpdate) updates; 106 107 /* cursor (without qxl): displaychangelistener -> spice server */ 108 SimpleSpiceCursor *ptr_define; 109 SimpleSpiceCursor *ptr_move; 110 int16_t ptr_x, ptr_y; 111 int16_t hot_x, hot_y; 112 113 /* cursor (with qxl): qxl local renderer -> displaychangelistener */ 114 QEMUCursor *cursor; 115 int mouse_x, mouse_y; 116 QEMUBH *cursor_bh; 117 118 #ifdef HAVE_SPICE_GL 119 /* opengl rendering */ 120 QEMUBH *gl_unblock_bh; 121 QEMUTimer *gl_unblock_timer; 122 int dmabuf_fd; 123 #endif 124 }; 125 126 struct SimpleSpiceUpdate { 127 QXLDrawable drawable; 128 QXLImage image; 129 QXLCommandExt ext; 130 uint8_t *bitmap; 131 QTAILQ_ENTRY(SimpleSpiceUpdate) next; 132 }; 133 134 struct SimpleSpiceCursor { 135 QXLCursorCmd cmd; 136 QXLCommandExt ext; 137 QXLCursor cursor; 138 }; 139 140 int qemu_spice_rect_is_empty(const QXLRect* r); 141 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r); 142 143 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update); 144 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd); 145 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd); 146 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd); 147 void qemu_spice_vm_change_state_handler(void *opaque, int running, 148 RunState state); 149 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd); 150 151 void qemu_spice_display_update(SimpleSpiceDisplay *ssd, 152 int x, int y, int w, int h); 153 void qemu_spice_display_switch(SimpleSpiceDisplay *ssd, 154 DisplaySurface *surface); 155 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd); 156 void qemu_spice_cursor_refresh_bh(void *opaque); 157 158 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot, 159 qxl_async_io async); 160 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, 161 uint32_t sid); 162 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id, 163 QXLDevSurfaceCreate *surface, 164 qxl_async_io async); 165 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd, 166 uint32_t id, qxl_async_io async); 167 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd); 168 void qemu_spice_display_start(void); 169 void qemu_spice_display_stop(void); 170 int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd); 171