jcs.org
qemu with hax to log dma reads & writes
jcs.org/2018/11/12/vfio
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#ifndef UI_SPICE_DISPLAY_H
19#define UI_SPICE_DISPLAY_H
20
21#include <spice.h>
22#include <spice/ipc_ring.h>
23#include <spice/enums.h>
24#include <spice/qxl_dev.h>
25
26#include "qemu/thread.h"
27#include "ui/qemu-pixman.h"
28#include "ui/console.h"
29
30#if defined(CONFIG_OPENGL_DMABUF)
31# if SPICE_SERVER_VERSION >= 0x000d01 /* release 0.13.1 */
32# define HAVE_SPICE_GL 1
33# include "ui/egl-helpers.h"
34# include "ui/egl-context.h"
35# endif
36#endif
37
38#define NUM_MEMSLOTS 8
39#define MEMSLOT_GENERATION_BITS 8
40#define MEMSLOT_SLOT_BITS 8
41
42#define MEMSLOT_GROUP_HOST 0
43#define MEMSLOT_GROUP_GUEST 1
44#define NUM_MEMSLOTS_GROUPS 2
45
46/*
47 * Internal enum to differenciate between options for
48 * io calls that have a sync (old) version and an _async (new)
49 * version:
50 * QXL_SYNC: use the old version
51 * QXL_ASYNC: use the new version and make sure there are no two
52 * happening at the same time. This is used for guest initiated
53 * calls
54 */
55typedef enum qxl_async_io {
56 QXL_SYNC,
57 QXL_ASYNC,
58} qxl_async_io;
59
60enum {
61 QXL_COOKIE_TYPE_IO,
62 QXL_COOKIE_TYPE_RENDER_UPDATE_AREA,
63 QXL_COOKIE_TYPE_POST_LOAD_MONITORS_CONFIG,
64 QXL_COOKIE_TYPE_GL_DRAW_DONE,
65};
66
67typedef struct QXLCookie {
68 int type;
69 uint64_t io;
70 union {
71 uint32_t surface_id;
72 QXLRect area;
73 struct {
74 QXLRect area;
75 int redraw;
76 } render;
77 void *data;
78 } u;
79} QXLCookie;
80
81QXLCookie *qxl_cookie_new(int type, uint64_t io);
82
83typedef struct SimpleSpiceDisplay SimpleSpiceDisplay;
84typedef struct SimpleSpiceUpdate SimpleSpiceUpdate;
85typedef struct SimpleSpiceCursor SimpleSpiceCursor;
86
87struct SimpleSpiceDisplay {
88 DisplaySurface *ds;
89 DisplayChangeListener dcl;
90 void *buf;
91 int bufsize;
92 QXLInstance qxl;
93 uint32_t unique;
94 pixman_image_t *surface;
95 pixman_image_t *mirror;
96 int32_t num_surfaces;
97
98 QXLRect dirty;
99 int notify;
100
101 /*
102 * All struct members below this comment can be accessed from
103 * both spice server and qemu (iothread) context and any access
104 * to them must be protected by the lock.
105 */
106 QemuMutex lock;
107 QTAILQ_HEAD(, SimpleSpiceUpdate) updates;
108
109 /* cursor (without qxl): displaychangelistener -> spice server */
110 SimpleSpiceCursor *ptr_define;
111 SimpleSpiceCursor *ptr_move;
112 int16_t ptr_x, ptr_y;
113 int16_t hot_x, hot_y;
114
115 /* cursor (with qxl): qxl local renderer -> displaychangelistener */
116 QEMUCursor *cursor;
117 int mouse_x, mouse_y;
118 QEMUBH *cursor_bh;
119
120#ifdef HAVE_SPICE_GL
121 /* opengl rendering */
122 QEMUBH *gl_unblock_bh;
123 QEMUTimer *gl_unblock_timer;
124 QemuGLShader *gls;
125 int gl_updates;
126 bool have_scanout;
127 bool have_surface;
128
129 QemuDmaBuf *guest_dmabuf;
130 bool guest_dmabuf_refresh;
131 bool render_cursor;
132
133 egl_fb guest_fb;
134 egl_fb blit_fb;
135 egl_fb cursor_fb;
136 bool have_hot;
137#endif
138};
139
140struct SimpleSpiceUpdate {
141 QXLDrawable drawable;
142 QXLImage image;
143 QXLCommandExt ext;
144 uint8_t *bitmap;
145 QTAILQ_ENTRY(SimpleSpiceUpdate) next;
146};
147
148struct SimpleSpiceCursor {
149 QXLCursorCmd cmd;
150 QXLCommandExt ext;
151 QXLCursor cursor;
152};
153
154extern bool spice_opengl;
155
156int qemu_spice_rect_is_empty(const QXLRect* r);
157void qemu_spice_rect_union(QXLRect *dest, const QXLRect *r);
158
159void qemu_spice_destroy_update(SimpleSpiceDisplay *sdpy, SimpleSpiceUpdate *update);
160void qemu_spice_create_host_memslot(SimpleSpiceDisplay *ssd);
161void qemu_spice_create_host_primary(SimpleSpiceDisplay *ssd);
162void qemu_spice_destroy_host_primary(SimpleSpiceDisplay *ssd);
163void qemu_spice_display_init_common(SimpleSpiceDisplay *ssd);
164
165void qemu_spice_display_update(SimpleSpiceDisplay *ssd,
166 int x, int y, int w, int h);
167void qemu_spice_display_switch(SimpleSpiceDisplay *ssd,
168 DisplaySurface *surface);
169void qemu_spice_display_refresh(SimpleSpiceDisplay *ssd);
170void qemu_spice_cursor_refresh_bh(void *opaque);
171
172void qemu_spice_add_memslot(SimpleSpiceDisplay *ssd, QXLDevMemSlot *memslot,
173 qxl_async_io async);
174void qemu_spice_del_memslot(SimpleSpiceDisplay *ssd, uint32_t gid,
175 uint32_t sid);
176void qemu_spice_create_primary_surface(SimpleSpiceDisplay *ssd, uint32_t id,
177 QXLDevSurfaceCreate *surface,
178 qxl_async_io async);
179void qemu_spice_destroy_primary_surface(SimpleSpiceDisplay *ssd,
180 uint32_t id, qxl_async_io async);
181void qemu_spice_wakeup(SimpleSpiceDisplay *ssd);
182void qemu_spice_display_start(void);
183void qemu_spice_display_stop(void);
184int qemu_spice_display_is_running(SimpleSpiceDisplay *ssd);
185
186bool qemu_spice_fill_device_address(QemuConsole *con,
187 char *device_address,
188 size_t size);
189
190#endif