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