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 "console.h" 24 #include "pflib.h" 25 #include "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 #define NUM_SURFACES 1024 36 37 /* 38 * Internal enum to differenciate between options for 39 * io calls that have a sync (old) version and an _async (new) 40 * version: 41 * QXL_SYNC: use the old version 42 * QXL_ASYNC: use the new version and make sure there are no two 43 * happening at the same time. This is used for guest initiated 44 * calls 45 */ 46 typedef enum qxl_async_io { 47 QXL_SYNC, 48 QXL_ASYNC, 49 } qxl_async_io; 50 51 enum { 52 QXL_COOKIE_TYPE_IO, 53 QXL_COOKIE_TYPE_RENDER_UPDATE_AREA, 54 }; 55 56 typedef struct QXLCookie { 57 int type; 58 uint64_t io; 59 union { 60 uint32_t surface_id; 61 QXLRect area; 62 struct { 63 QXLRect area; 64 int redraw; 65 } render; 66 } u; 67 } QXLCookie; 68 69 QXLCookie *qxl_cookie_new(int type, uint64_t io); 70 71 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay; 72 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate; 73 74 struct SimpleSpiceDisplay { 75 DisplayState *ds; 76 void *buf; 77 int bufsize; 78 QXLWorker *worker; 79 QXLInstance qxl; 80 uint32_t unique; 81 QemuPfConv *conv; 82 83 QXLRect dirty; 84 int notify; 85 int running; 86 87 /* 88 * All struct members below this comment can be accessed from 89 * both spice server and qemu (iothread) context and any access 90 * to them must be protected by the lock. 91 */ 92 QemuMutex lock; 93 SimpleSpiceUpdate *update; 94 QEMUCursor *cursor; 95 int mouse_x, mouse_y; 96 }; 97 98 struct SimpleSpiceUpdate { 99 QXLDrawable drawable; 100 QXLImage image; 101 QXLCommandExt ext; 102 uint8_t *bitmap; 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_start(SimpleSpiceDisplay *ssd); 133 void qemu_spice_stop(SimpleSpiceDisplay *ssd); 134