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267f6646 MAL |
1 | /* |
2 | * vhost-user GPU Device | |
3 | * | |
4 | * Copyright Red Hat, Inc. 2018 | |
5 | * | |
6 | * Authors: | |
7 | * Marc-André Lureau <marcandre.lureau@redhat.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | */ | |
12 | ||
13 | #include "qemu/osdep.h" | |
a27bd6c7 | 14 | #include "hw/qdev-properties.h" |
267f6646 MAL |
15 | #include "hw/virtio/virtio-gpu.h" |
16 | #include "chardev/char-fe.h" | |
17 | #include "qapi/error.h" | |
18 | #include "migration/blocker.h" | |
19 | ||
267f6646 MAL |
20 | typedef enum VhostUserGpuRequest { |
21 | VHOST_USER_GPU_NONE = 0, | |
22 | VHOST_USER_GPU_GET_PROTOCOL_FEATURES, | |
23 | VHOST_USER_GPU_SET_PROTOCOL_FEATURES, | |
24 | VHOST_USER_GPU_GET_DISPLAY_INFO, | |
25 | VHOST_USER_GPU_CURSOR_POS, | |
26 | VHOST_USER_GPU_CURSOR_POS_HIDE, | |
27 | VHOST_USER_GPU_CURSOR_UPDATE, | |
28 | VHOST_USER_GPU_SCANOUT, | |
29 | VHOST_USER_GPU_UPDATE, | |
30 | VHOST_USER_GPU_DMABUF_SCANOUT, | |
31 | VHOST_USER_GPU_DMABUF_UPDATE, | |
32 | } VhostUserGpuRequest; | |
33 | ||
34 | typedef struct VhostUserGpuDisplayInfoReply { | |
35 | struct virtio_gpu_resp_display_info info; | |
36 | } VhostUserGpuDisplayInfoReply; | |
37 | ||
38 | typedef struct VhostUserGpuCursorPos { | |
39 | uint32_t scanout_id; | |
40 | uint32_t x; | |
41 | uint32_t y; | |
42 | } QEMU_PACKED VhostUserGpuCursorPos; | |
43 | ||
44 | typedef struct VhostUserGpuCursorUpdate { | |
45 | VhostUserGpuCursorPos pos; | |
46 | uint32_t hot_x; | |
47 | uint32_t hot_y; | |
48 | uint32_t data[64 * 64]; | |
49 | } QEMU_PACKED VhostUserGpuCursorUpdate; | |
50 | ||
51 | typedef struct VhostUserGpuScanout { | |
52 | uint32_t scanout_id; | |
53 | uint32_t width; | |
54 | uint32_t height; | |
55 | } QEMU_PACKED VhostUserGpuScanout; | |
56 | ||
57 | typedef struct VhostUserGpuUpdate { | |
58 | uint32_t scanout_id; | |
59 | uint32_t x; | |
60 | uint32_t y; | |
61 | uint32_t width; | |
62 | uint32_t height; | |
63 | uint8_t data[]; | |
64 | } QEMU_PACKED VhostUserGpuUpdate; | |
65 | ||
66 | typedef struct VhostUserGpuDMABUFScanout { | |
67 | uint32_t scanout_id; | |
68 | uint32_t x; | |
69 | uint32_t y; | |
70 | uint32_t width; | |
71 | uint32_t height; | |
72 | uint32_t fd_width; | |
73 | uint32_t fd_height; | |
74 | uint32_t fd_stride; | |
75 | uint32_t fd_flags; | |
76 | int fd_drm_fourcc; | |
77 | } QEMU_PACKED VhostUserGpuDMABUFScanout; | |
78 | ||
79 | typedef struct VhostUserGpuMsg { | |
80 | uint32_t request; /* VhostUserGpuRequest */ | |
81 | uint32_t flags; | |
82 | uint32_t size; /* the following payload size */ | |
83 | union { | |
84 | VhostUserGpuCursorPos cursor_pos; | |
85 | VhostUserGpuCursorUpdate cursor_update; | |
86 | VhostUserGpuScanout scanout; | |
87 | VhostUserGpuUpdate update; | |
88 | VhostUserGpuDMABUFScanout dmabuf_scanout; | |
89 | struct virtio_gpu_resp_display_info display_info; | |
90 | uint64_t u64; | |
91 | } payload; | |
92 | } QEMU_PACKED VhostUserGpuMsg; | |
93 | ||
94 | static VhostUserGpuMsg m __attribute__ ((unused)); | |
95 | #define VHOST_USER_GPU_HDR_SIZE \ | |
96 | (sizeof(m.request) + sizeof(m.size) + sizeof(m.flags)) | |
97 | ||
98 | #define VHOST_USER_GPU_MSG_FLAG_REPLY 0x4 | |
99 | ||
100 | static void vhost_user_gpu_update_blocked(VhostUserGPU *g, bool blocked); | |
101 | ||
102 | static void | |
103 | vhost_user_gpu_handle_cursor(VhostUserGPU *g, VhostUserGpuMsg *msg) | |
104 | { | |
105 | VhostUserGpuCursorPos *pos = &msg->payload.cursor_pos; | |
106 | struct virtio_gpu_scanout *s; | |
107 | ||
108 | if (pos->scanout_id >= g->parent_obj.conf.max_outputs) { | |
109 | return; | |
110 | } | |
111 | s = &g->parent_obj.scanout[pos->scanout_id]; | |
112 | ||
113 | if (msg->request == VHOST_USER_GPU_CURSOR_UPDATE) { | |
114 | VhostUserGpuCursorUpdate *up = &msg->payload.cursor_update; | |
115 | if (!s->current_cursor) { | |
116 | s->current_cursor = cursor_alloc(64, 64); | |
117 | } | |
118 | ||
119 | s->current_cursor->hot_x = up->hot_x; | |
120 | s->current_cursor->hot_y = up->hot_y; | |
121 | ||
122 | memcpy(s->current_cursor->data, up->data, | |
123 | 64 * 64 * sizeof(uint32_t)); | |
124 | ||
125 | dpy_cursor_define(s->con, s->current_cursor); | |
126 | } | |
127 | ||
128 | dpy_mouse_set(s->con, pos->x, pos->y, | |
129 | msg->request != VHOST_USER_GPU_CURSOR_POS_HIDE); | |
130 | } | |
131 | ||
132 | static void | |
133 | vhost_user_gpu_send_msg(VhostUserGPU *g, const VhostUserGpuMsg *msg) | |
134 | { | |
135 | qemu_chr_fe_write(&g->vhost_chr, (uint8_t *)msg, | |
136 | VHOST_USER_GPU_HDR_SIZE + msg->size); | |
137 | } | |
138 | ||
139 | static void | |
140 | vhost_user_gpu_unblock(VhostUserGPU *g) | |
141 | { | |
142 | VhostUserGpuMsg msg = { | |
143 | .request = VHOST_USER_GPU_DMABUF_UPDATE, | |
144 | .flags = VHOST_USER_GPU_MSG_FLAG_REPLY, | |
145 | }; | |
146 | ||
147 | vhost_user_gpu_send_msg(g, &msg); | |
148 | } | |
149 | ||
150 | static void | |
151 | vhost_user_gpu_handle_display(VhostUserGPU *g, VhostUserGpuMsg *msg) | |
152 | { | |
153 | QemuConsole *con = NULL; | |
154 | struct virtio_gpu_scanout *s; | |
155 | ||
156 | switch (msg->request) { | |
157 | case VHOST_USER_GPU_GET_PROTOCOL_FEATURES: { | |
158 | VhostUserGpuMsg reply = { | |
159 | .request = msg->request, | |
160 | .flags = VHOST_USER_GPU_MSG_FLAG_REPLY, | |
161 | .size = sizeof(uint64_t), | |
162 | }; | |
163 | ||
164 | vhost_user_gpu_send_msg(g, &reply); | |
165 | break; | |
166 | } | |
167 | case VHOST_USER_GPU_SET_PROTOCOL_FEATURES: { | |
168 | break; | |
169 | } | |
170 | case VHOST_USER_GPU_GET_DISPLAY_INFO: { | |
171 | struct virtio_gpu_resp_display_info display_info = { {} }; | |
172 | VhostUserGpuMsg reply = { | |
173 | .request = msg->request, | |
174 | .flags = VHOST_USER_GPU_MSG_FLAG_REPLY, | |
175 | .size = sizeof(struct virtio_gpu_resp_display_info), | |
176 | }; | |
177 | ||
178 | display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; | |
179 | virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); | |
180 | memcpy(&reply.payload.display_info, &display_info, | |
181 | sizeof(display_info)); | |
182 | vhost_user_gpu_send_msg(g, &reply); | |
183 | break; | |
184 | } | |
185 | case VHOST_USER_GPU_SCANOUT: { | |
186 | VhostUserGpuScanout *m = &msg->payload.scanout; | |
187 | ||
188 | if (m->scanout_id >= g->parent_obj.conf.max_outputs) { | |
189 | return; | |
190 | } | |
191 | ||
192 | g->parent_obj.enable = 1; | |
193 | s = &g->parent_obj.scanout[m->scanout_id]; | |
194 | con = s->con; | |
195 | ||
ed8f3fe6 AO |
196 | if (m->width == 0) { |
197 | dpy_gfx_replace_surface(con, NULL); | |
267f6646 MAL |
198 | } else { |
199 | s->ds = qemu_create_displaysurface(m->width, m->height); | |
200 | /* replace surface on next update */ | |
201 | } | |
202 | ||
203 | break; | |
204 | } | |
205 | case VHOST_USER_GPU_DMABUF_SCANOUT: { | |
206 | VhostUserGpuDMABUFScanout *m = &msg->payload.dmabuf_scanout; | |
207 | int fd = qemu_chr_fe_get_msgfd(&g->vhost_chr); | |
208 | QemuDmaBuf *dmabuf; | |
209 | ||
210 | if (m->scanout_id >= g->parent_obj.conf.max_outputs) { | |
211 | error_report("invalid scanout: %d", m->scanout_id); | |
212 | if (fd >= 0) { | |
213 | close(fd); | |
214 | } | |
215 | break; | |
216 | } | |
217 | ||
218 | g->parent_obj.enable = 1; | |
219 | con = g->parent_obj.scanout[m->scanout_id].con; | |
220 | dmabuf = &g->dmabuf[m->scanout_id]; | |
221 | if (dmabuf->fd >= 0) { | |
222 | close(dmabuf->fd); | |
223 | dmabuf->fd = -1; | |
224 | } | |
267f6646 MAL |
225 | dpy_gl_release_dmabuf(con, dmabuf); |
226 | if (fd == -1) { | |
227 | dpy_gl_scanout_disable(con); | |
228 | break; | |
229 | } | |
230 | *dmabuf = (QemuDmaBuf) { | |
231 | .fd = fd, | |
232 | .width = m->fd_width, | |
233 | .height = m->fd_height, | |
234 | .stride = m->fd_stride, | |
235 | .fourcc = m->fd_drm_fourcc, | |
236 | .y0_top = m->fd_flags & VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP, | |
237 | }; | |
238 | dpy_gl_scanout_dmabuf(con, dmabuf); | |
239 | break; | |
240 | } | |
241 | case VHOST_USER_GPU_DMABUF_UPDATE: { | |
242 | VhostUserGpuUpdate *m = &msg->payload.update; | |
243 | ||
244 | if (m->scanout_id >= g->parent_obj.conf.max_outputs || | |
245 | !g->parent_obj.scanout[m->scanout_id].con) { | |
246 | error_report("invalid scanout update: %d", m->scanout_id); | |
247 | vhost_user_gpu_unblock(g); | |
248 | break; | |
249 | } | |
250 | ||
251 | con = g->parent_obj.scanout[m->scanout_id].con; | |
252 | if (!console_has_gl(con)) { | |
253 | error_report("console doesn't support GL!"); | |
254 | vhost_user_gpu_unblock(g); | |
255 | break; | |
256 | } | |
267f6646 | 257 | g->backend_blocked = true; |
f6413cbf | 258 | dpy_gl_update(con, m->x, m->y, m->width, m->height); |
267f6646 MAL |
259 | break; |
260 | } | |
261 | case VHOST_USER_GPU_UPDATE: { | |
262 | VhostUserGpuUpdate *m = &msg->payload.update; | |
263 | ||
264 | if (m->scanout_id >= g->parent_obj.conf.max_outputs) { | |
265 | break; | |
266 | } | |
267 | s = &g->parent_obj.scanout[m->scanout_id]; | |
268 | con = s->con; | |
269 | pixman_image_t *image = | |
270 | pixman_image_create_bits(PIXMAN_x8r8g8b8, | |
271 | m->width, | |
272 | m->height, | |
273 | (uint32_t *)m->data, | |
274 | m->width * 4); | |
275 | ||
276 | pixman_image_composite(PIXMAN_OP_SRC, | |
277 | image, NULL, s->ds->image, | |
278 | 0, 0, 0, 0, m->x, m->y, m->width, m->height); | |
279 | ||
280 | pixman_image_unref(image); | |
281 | if (qemu_console_surface(con) != s->ds) { | |
282 | dpy_gfx_replace_surface(con, s->ds); | |
283 | } else { | |
284 | dpy_gfx_update(con, m->x, m->y, m->width, m->height); | |
285 | } | |
286 | break; | |
287 | } | |
288 | default: | |
289 | g_warning("unhandled message %d %d", msg->request, msg->size); | |
290 | } | |
291 | ||
292 | if (con && qemu_console_is_gl_blocked(con)) { | |
293 | vhost_user_gpu_update_blocked(g, true); | |
294 | } | |
295 | } | |
296 | ||
297 | static void | |
298 | vhost_user_gpu_chr_read(void *opaque) | |
299 | { | |
300 | VhostUserGPU *g = opaque; | |
301 | VhostUserGpuMsg *msg = NULL; | |
302 | VhostUserGpuRequest request; | |
303 | uint32_t size, flags; | |
304 | int r; | |
305 | ||
306 | r = qemu_chr_fe_read_all(&g->vhost_chr, | |
307 | (uint8_t *)&request, sizeof(uint32_t)); | |
308 | if (r != sizeof(uint32_t)) { | |
309 | error_report("failed to read msg header: %d, %d", r, errno); | |
310 | goto end; | |
311 | } | |
312 | ||
313 | r = qemu_chr_fe_read_all(&g->vhost_chr, | |
314 | (uint8_t *)&flags, sizeof(uint32_t)); | |
315 | if (r != sizeof(uint32_t)) { | |
316 | error_report("failed to read msg flags"); | |
317 | goto end; | |
318 | } | |
319 | ||
320 | r = qemu_chr_fe_read_all(&g->vhost_chr, | |
321 | (uint8_t *)&size, sizeof(uint32_t)); | |
322 | if (r != sizeof(uint32_t)) { | |
323 | error_report("failed to read msg size"); | |
324 | goto end; | |
325 | } | |
326 | ||
327 | msg = g_malloc(VHOST_USER_GPU_HDR_SIZE + size); | |
267f6646 MAL |
328 | |
329 | r = qemu_chr_fe_read_all(&g->vhost_chr, | |
330 | (uint8_t *)&msg->payload, size); | |
331 | if (r != size) { | |
332 | error_report("failed to read msg payload %d != %d", r, size); | |
333 | goto end; | |
334 | } | |
335 | ||
336 | msg->request = request; | |
337 | msg->flags = size; | |
338 | msg->size = size; | |
339 | ||
340 | if (request == VHOST_USER_GPU_CURSOR_UPDATE || | |
341 | request == VHOST_USER_GPU_CURSOR_POS || | |
342 | request == VHOST_USER_GPU_CURSOR_POS_HIDE) { | |
343 | vhost_user_gpu_handle_cursor(g, msg); | |
344 | } else { | |
345 | vhost_user_gpu_handle_display(g, msg); | |
346 | } | |
347 | ||
348 | end: | |
349 | g_free(msg); | |
350 | } | |
351 | ||
352 | static void | |
353 | vhost_user_gpu_update_blocked(VhostUserGPU *g, bool blocked) | |
354 | { | |
355 | qemu_set_fd_handler(g->vhost_gpu_fd, | |
356 | blocked ? NULL : vhost_user_gpu_chr_read, NULL, g); | |
357 | } | |
358 | ||
359 | static void | |
3cddb8b9 | 360 | vhost_user_gpu_gl_flushed(VirtIOGPUBase *b) |
267f6646 MAL |
361 | { |
362 | VhostUserGPU *g = VHOST_USER_GPU(b); | |
363 | ||
364 | if (g->backend_blocked) { | |
365 | vhost_user_gpu_unblock(VHOST_USER_GPU(g)); | |
366 | g->backend_blocked = false; | |
367 | } | |
368 | ||
369 | vhost_user_gpu_update_blocked(VHOST_USER_GPU(g), false); | |
370 | } | |
371 | ||
372 | static bool | |
373 | vhost_user_gpu_do_set_socket(VhostUserGPU *g, Error **errp) | |
374 | { | |
375 | Chardev *chr; | |
376 | int sv[2]; | |
377 | ||
378 | if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1) { | |
379 | error_setg_errno(errp, errno, "socketpair() failed"); | |
380 | return false; | |
381 | } | |
382 | ||
383 | chr = CHARDEV(object_new(TYPE_CHARDEV_SOCKET)); | |
384 | if (!chr || qemu_chr_add_client(chr, sv[0]) == -1) { | |
385 | error_setg(errp, "Failed to make socket chardev"); | |
386 | goto err; | |
387 | } | |
388 | if (!qemu_chr_fe_init(&g->vhost_chr, chr, errp)) { | |
389 | goto err; | |
390 | } | |
391 | if (vhost_user_gpu_set_socket(&g->vhost->dev, sv[1]) < 0) { | |
392 | error_setg(errp, "Failed to set vhost-user-gpu socket"); | |
393 | qemu_chr_fe_deinit(&g->vhost_chr, false); | |
394 | goto err; | |
395 | } | |
396 | ||
397 | g->vhost_gpu_fd = sv[0]; | |
398 | vhost_user_gpu_update_blocked(g, false); | |
399 | close(sv[1]); | |
400 | return true; | |
401 | ||
402 | err: | |
403 | close(sv[0]); | |
404 | close(sv[1]); | |
405 | if (chr) { | |
406 | object_unref(OBJECT(chr)); | |
407 | } | |
408 | return false; | |
409 | } | |
410 | ||
411 | static void | |
412 | vhost_user_gpu_get_config(VirtIODevice *vdev, uint8_t *config_data) | |
413 | { | |
414 | VhostUserGPU *g = VHOST_USER_GPU(vdev); | |
415 | VirtIOGPUBase *b = VIRTIO_GPU_BASE(vdev); | |
416 | struct virtio_gpu_config *vgconfig = | |
417 | (struct virtio_gpu_config *)config_data; | |
50de5138 | 418 | Error *local_err = NULL; |
267f6646 MAL |
419 | int ret; |
420 | ||
421 | memset(config_data, 0, sizeof(struct virtio_gpu_config)); | |
422 | ||
423 | ret = vhost_dev_get_config(&g->vhost->dev, | |
50de5138 KW |
424 | config_data, sizeof(struct virtio_gpu_config), |
425 | &local_err); | |
267f6646 | 426 | if (ret) { |
50de5138 | 427 | error_report_err(local_err); |
267f6646 MAL |
428 | return; |
429 | } | |
430 | ||
431 | /* those fields are managed by qemu */ | |
432 | vgconfig->num_scanouts = b->virtio_config.num_scanouts; | |
433 | vgconfig->events_read = b->virtio_config.events_read; | |
434 | vgconfig->events_clear = b->virtio_config.events_clear; | |
435 | } | |
436 | ||
437 | static void | |
438 | vhost_user_gpu_set_config(VirtIODevice *vdev, | |
439 | const uint8_t *config_data) | |
440 | { | |
441 | VhostUserGPU *g = VHOST_USER_GPU(vdev); | |
442 | VirtIOGPUBase *b = VIRTIO_GPU_BASE(vdev); | |
443 | const struct virtio_gpu_config *vgconfig = | |
444 | (const struct virtio_gpu_config *)config_data; | |
445 | int ret; | |
446 | ||
447 | if (vgconfig->events_clear) { | |
448 | b->virtio_config.events_read &= ~vgconfig->events_clear; | |
449 | } | |
450 | ||
451 | ret = vhost_dev_set_config(&g->vhost->dev, config_data, | |
452 | 0, sizeof(struct virtio_gpu_config), | |
453 | VHOST_SET_CONFIG_TYPE_MASTER); | |
454 | if (ret) { | |
455 | error_report("vhost-user-gpu: set device config space failed"); | |
456 | return; | |
457 | } | |
458 | } | |
459 | ||
460 | static void | |
461 | vhost_user_gpu_set_status(VirtIODevice *vdev, uint8_t val) | |
462 | { | |
463 | VhostUserGPU *g = VHOST_USER_GPU(vdev); | |
464 | Error *err = NULL; | |
465 | ||
466 | if (val & VIRTIO_CONFIG_S_DRIVER_OK && vdev->vm_running) { | |
467 | if (!vhost_user_gpu_do_set_socket(g, &err)) { | |
468 | error_report_err(err); | |
469 | return; | |
470 | } | |
471 | vhost_user_backend_start(g->vhost); | |
472 | } else { | |
473 | /* unblock any wait and stop processing */ | |
474 | if (g->vhost_gpu_fd != -1) { | |
475 | vhost_user_gpu_update_blocked(g, true); | |
476 | qemu_chr_fe_deinit(&g->vhost_chr, true); | |
477 | g->vhost_gpu_fd = -1; | |
478 | } | |
479 | vhost_user_backend_stop(g->vhost); | |
480 | } | |
481 | } | |
482 | ||
483 | static bool | |
484 | vhost_user_gpu_guest_notifier_pending(VirtIODevice *vdev, int idx) | |
485 | { | |
486 | VhostUserGPU *g = VHOST_USER_GPU(vdev); | |
487 | ||
488 | return vhost_virtqueue_pending(&g->vhost->dev, idx); | |
489 | } | |
490 | ||
491 | static void | |
492 | vhost_user_gpu_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask) | |
493 | { | |
494 | VhostUserGPU *g = VHOST_USER_GPU(vdev); | |
495 | ||
496 | vhost_virtqueue_mask(&g->vhost->dev, vdev, idx, mask); | |
497 | } | |
498 | ||
499 | static void | |
500 | vhost_user_gpu_instance_init(Object *obj) | |
501 | { | |
502 | VhostUserGPU *g = VHOST_USER_GPU(obj); | |
503 | ||
504 | g->vhost = VHOST_USER_BACKEND(object_new(TYPE_VHOST_USER_BACKEND)); | |
505 | object_property_add_alias(obj, "chardev", | |
d2623129 | 506 | OBJECT(g->vhost), "chardev"); |
267f6646 MAL |
507 | } |
508 | ||
509 | static void | |
510 | vhost_user_gpu_instance_finalize(Object *obj) | |
511 | { | |
512 | VhostUserGPU *g = VHOST_USER_GPU(obj); | |
513 | ||
514 | object_unref(OBJECT(g->vhost)); | |
515 | } | |
516 | ||
517 | static void | |
518 | vhost_user_gpu_reset(VirtIODevice *vdev) | |
519 | { | |
520 | VhostUserGPU *g = VHOST_USER_GPU(vdev); | |
521 | ||
522 | virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); | |
523 | ||
524 | vhost_user_backend_stop(g->vhost); | |
525 | } | |
526 | ||
527 | static int | |
528 | vhost_user_gpu_config_change(struct vhost_dev *dev) | |
529 | { | |
530 | error_report("vhost-user-gpu: unhandled backend config change"); | |
531 | return -1; | |
532 | } | |
533 | ||
534 | static const VhostDevConfigOps config_ops = { | |
535 | .vhost_dev_config_notifier = vhost_user_gpu_config_change, | |
536 | }; | |
537 | ||
538 | static void | |
539 | vhost_user_gpu_device_realize(DeviceState *qdev, Error **errp) | |
540 | { | |
541 | VhostUserGPU *g = VHOST_USER_GPU(qdev); | |
542 | VirtIODevice *vdev = VIRTIO_DEVICE(g); | |
543 | ||
544 | vhost_dev_set_config_notifier(&g->vhost->dev, &config_ops); | |
545 | if (vhost_user_backend_dev_init(g->vhost, vdev, 2, errp) < 0) { | |
546 | return; | |
547 | } | |
548 | ||
ff64d44f MAL |
549 | /* existing backend may send DMABUF, so let's add that requirement */ |
550 | g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_DMABUF_ENABLED; | |
267f6646 MAL |
551 | if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_VIRGL)) { |
552 | g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED; | |
553 | } | |
326a51f3 MAL |
554 | if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_EDID)) { |
555 | g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_EDID_ENABLED; | |
556 | } else { | |
557 | error_report("EDID requested but the backend doesn't support it."); | |
558 | g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_EDID_ENABLED); | |
559 | } | |
267f6646 MAL |
560 | |
561 | if (!virtio_gpu_base_device_realize(qdev, NULL, NULL, errp)) { | |
562 | return; | |
563 | } | |
564 | ||
565 | g->vhost_gpu_fd = -1; | |
566 | } | |
567 | ||
568 | static Property vhost_user_gpu_properties[] = { | |
569 | VIRTIO_GPU_BASE_PROPERTIES(VhostUserGPU, parent_obj.conf), | |
570 | DEFINE_PROP_END_OF_LIST(), | |
571 | }; | |
572 | ||
573 | static void | |
574 | vhost_user_gpu_class_init(ObjectClass *klass, void *data) | |
575 | { | |
576 | DeviceClass *dc = DEVICE_CLASS(klass); | |
577 | VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); | |
578 | VirtIOGPUBaseClass *vgc = VIRTIO_GPU_BASE_CLASS(klass); | |
579 | ||
3cddb8b9 | 580 | vgc->gl_flushed = vhost_user_gpu_gl_flushed; |
267f6646 MAL |
581 | |
582 | vdc->realize = vhost_user_gpu_device_realize; | |
583 | vdc->reset = vhost_user_gpu_reset; | |
584 | vdc->set_status = vhost_user_gpu_set_status; | |
585 | vdc->guest_notifier_mask = vhost_user_gpu_guest_notifier_mask; | |
586 | vdc->guest_notifier_pending = vhost_user_gpu_guest_notifier_pending; | |
587 | vdc->get_config = vhost_user_gpu_get_config; | |
588 | vdc->set_config = vhost_user_gpu_set_config; | |
589 | ||
4f67d30b | 590 | device_class_set_props(dc, vhost_user_gpu_properties); |
267f6646 MAL |
591 | } |
592 | ||
593 | static const TypeInfo vhost_user_gpu_info = { | |
594 | .name = TYPE_VHOST_USER_GPU, | |
595 | .parent = TYPE_VIRTIO_GPU_BASE, | |
596 | .instance_size = sizeof(VhostUserGPU), | |
597 | .instance_init = vhost_user_gpu_instance_init, | |
598 | .instance_finalize = vhost_user_gpu_instance_finalize, | |
599 | .class_init = vhost_user_gpu_class_init, | |
600 | }; | |
561d0f45 | 601 | module_obj(TYPE_VHOST_USER_GPU); |
267f6646 MAL |
602 | |
603 | static void vhost_user_gpu_register_types(void) | |
604 | { | |
605 | type_register_static(&vhost_user_gpu_info); | |
606 | } | |
607 | ||
608 | type_init(vhost_user_gpu_register_types) |