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 }; 54 55 typedef struct QXLCookie { 56 int type; 57 uint64_t io; 58 union { 59 uint32_t surface_id; 60 } u; 61 } QXLCookie; 62 63 QXLCookie *qxl_cookie_new(int type, uint64_t io); 64 65 typedef struct SimpleSpiceDisplay SimpleSpiceDisplay; 66 typedef struct SimpleSpiceUpdate SimpleSpiceUpdate; 67 68 struct SimpleSpiceDisplay { 69 DisplayState *ds; 70 void *buf; 71 int bufsize; 72 QXLWorker *worker; 73 QXLInstance qxl; 74 uint32_t unique; 75 QemuPfConv *conv; 76 77 QXLRect dirty; 78 int notify; 79 int running; 80 81 /* 82 * All struct members below this comment can be accessed from 83 * both spice server and qemu (iothread) context and any access 84 * to them must be protected by the lock. 85 */ 86 QemuMutex lock; 87 SimpleSpiceUpdate *update; 88 QEMUCursor *cursor; 89 int mouse_x, mouse_y; 90 }; 91 92 struct SimpleSpiceUpdate { 93 QXLDrawable drawable; 94 QXLImage image; 95 QXLCommandExt ext; 96 uint8_t *bitmap; 97 }; 98 99 int qemu_spice_rect_is_empty(const QXLRect* r); 100 void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r); 101 102 void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update); 103 void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd); 104 void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd); 105 void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd); 106 void qemu_spice_vm_change_state_handler(void *opaque, int running, 107 RunState state); 108 void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd, DisplayState *ds); 109 110 void qemu_spice_display_update(SimpleSpiceDisplay *ssd, 111 int x, int y, int w, int h); 112 void qemu_spice_display_resize(SimpleSpiceDisplay *ssd); 113 void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd); 114 void qemu_spice_cursor_refresh_unlocked(SimpleSpiceDisplay *ssd); 115 116 void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot, 117 qxl_async_io async); 118 void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid, 119 uint32_t sid); 120 void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id, 121 QXLDevSurfaceCreate *surface, 122 qxl_async_io async); 123 void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd, 124 uint32_t id, qxl_async_io async); 125 void qemu_spice_wakeup(SimpleSpiceDisplay *ssd); 126 void qemu_spice_start(SimpleSpiceDisplay *ssd); 127 void qemu_spice_stop(SimpleSpiceDisplay *ssd); 128