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" 14 #include "qemu/error-report.h" 15 #include "qemu/sockets.h" 16 #include "hw/qdev-properties.h" 17 #include "hw/virtio/virtio-gpu.h" 18 #include "chardev/char-fe.h" 19 #include "qapi/error.h" 20 #include "migration/blocker.h" 21 22 typedef enum VhostUserGpuRequest { 23 VHOST_USER_GPU_NONE = 0, 24 VHOST_USER_GPU_GET_PROTOCOL_FEATURES, 25 VHOST_USER_GPU_SET_PROTOCOL_FEATURES, 26 VHOST_USER_GPU_GET_DISPLAY_INFO, 27 VHOST_USER_GPU_CURSOR_POS, 28 VHOST_USER_GPU_CURSOR_POS_HIDE, 29 VHOST_USER_GPU_CURSOR_UPDATE, 30 VHOST_USER_GPU_SCANOUT, 31 VHOST_USER_GPU_UPDATE, 32 VHOST_USER_GPU_DMABUF_SCANOUT, 33 VHOST_USER_GPU_DMABUF_UPDATE, 34 VHOST_USER_GPU_GET_EDID, 35 VHOST_USER_GPU_DMABUF_SCANOUT2, 36 } VhostUserGpuRequest; 37 38 typedef struct VhostUserGpuDisplayInfoReply { 39 struct virtio_gpu_resp_display_info info; 40 } VhostUserGpuDisplayInfoReply; 41 42 typedef struct VhostUserGpuCursorPos { 43 uint32_t scanout_id; 44 uint32_t x; 45 uint32_t y; 46 } QEMU_PACKED VhostUserGpuCursorPos; 47 48 typedef struct VhostUserGpuCursorUpdate { 49 VhostUserGpuCursorPos pos; 50 uint32_t hot_x; 51 uint32_t hot_y; 52 uint32_t data[64 * 64]; 53 } QEMU_PACKED VhostUserGpuCursorUpdate; 54 55 typedef struct VhostUserGpuScanout { 56 uint32_t scanout_id; 57 uint32_t width; 58 uint32_t height; 59 } QEMU_PACKED VhostUserGpuScanout; 60 61 typedef struct VhostUserGpuUpdate { 62 uint32_t scanout_id; 63 uint32_t x; 64 uint32_t y; 65 uint32_t width; 66 uint32_t height; 67 uint8_t data[]; 68 } QEMU_PACKED VhostUserGpuUpdate; 69 70 typedef struct VhostUserGpuDMABUFScanout { 71 uint32_t scanout_id; 72 uint32_t x; 73 uint32_t y; 74 uint32_t width; 75 uint32_t height; 76 uint32_t fd_width; 77 uint32_t fd_height; 78 uint32_t fd_stride; 79 uint32_t fd_flags; 80 int fd_drm_fourcc; 81 } QEMU_PACKED VhostUserGpuDMABUFScanout; 82 83 typedef struct VhostUserGpuDMABUFScanout2 { 84 struct VhostUserGpuDMABUFScanout dmabuf_scanout; 85 uint64_t modifier; 86 } QEMU_PACKED VhostUserGpuDMABUFScanout2; 87 88 typedef struct VhostUserGpuEdidRequest { 89 uint32_t scanout_id; 90 } QEMU_PACKED VhostUserGpuEdidRequest; 91 92 typedef struct VhostUserGpuMsg { 93 uint32_t request; /* VhostUserGpuRequest */ 94 uint32_t flags; 95 uint32_t size; /* the following payload size */ 96 union { 97 VhostUserGpuCursorPos cursor_pos; 98 VhostUserGpuCursorUpdate cursor_update; 99 VhostUserGpuScanout scanout; 100 VhostUserGpuUpdate update; 101 VhostUserGpuDMABUFScanout dmabuf_scanout; 102 VhostUserGpuDMABUFScanout2 dmabuf_scanout2; 103 VhostUserGpuEdidRequest edid_req; 104 struct virtio_gpu_resp_edid resp_edid; 105 struct virtio_gpu_resp_display_info display_info; 106 uint64_t u64; 107 } payload; 108 } QEMU_PACKED VhostUserGpuMsg; 109 110 static VhostUserGpuMsg m __attribute__ ((unused)); 111 #define VHOST_USER_GPU_HDR_SIZE \ 112 (sizeof(m.request) + sizeof(m.size) + sizeof(m.flags)) 113 114 #define VHOST_USER_GPU_MSG_FLAG_REPLY 0x4 115 116 #define VHOST_USER_GPU_PROTOCOL_F_EDID 0 117 #define VHOST_USER_GPU_PROTOCOL_F_DMABUF2 1 118 119 static void vhost_user_gpu_update_blocked(VhostUserGPU *g, bool blocked); 120 121 static void 122 vhost_user_gpu_handle_cursor(VhostUserGPU *g, VhostUserGpuMsg *msg) 123 { 124 VhostUserGpuCursorPos *pos = &msg->payload.cursor_pos; 125 struct virtio_gpu_scanout *s; 126 127 if (pos->scanout_id >= g->parent_obj.conf.max_outputs) { 128 return; 129 } 130 s = &g->parent_obj.scanout[pos->scanout_id]; 131 132 if (msg->request == VHOST_USER_GPU_CURSOR_UPDATE) { 133 VhostUserGpuCursorUpdate *up = &msg->payload.cursor_update; 134 if (!s->current_cursor) { 135 s->current_cursor = cursor_alloc(64, 64); 136 } 137 138 s->current_cursor->hot_x = up->hot_x; 139 s->current_cursor->hot_y = up->hot_y; 140 141 memcpy(s->current_cursor->data, up->data, 142 64 * 64 * sizeof(uint32_t)); 143 144 dpy_cursor_define(s->con, s->current_cursor); 145 } 146 147 dpy_mouse_set(s->con, pos->x, pos->y, 148 msg->request != VHOST_USER_GPU_CURSOR_POS_HIDE); 149 } 150 151 static void 152 vhost_user_gpu_send_msg(VhostUserGPU *g, const VhostUserGpuMsg *msg) 153 { 154 qemu_chr_fe_write(&g->vhost_chr, (uint8_t *)msg, 155 VHOST_USER_GPU_HDR_SIZE + msg->size); 156 } 157 158 static void 159 vhost_user_gpu_unblock(VhostUserGPU *g) 160 { 161 VhostUserGpuMsg msg = { 162 .request = VHOST_USER_GPU_DMABUF_UPDATE, 163 .flags = VHOST_USER_GPU_MSG_FLAG_REPLY, 164 }; 165 166 vhost_user_gpu_send_msg(g, &msg); 167 } 168 169 static void 170 vhost_user_gpu_handle_display(VhostUserGPU *g, VhostUserGpuMsg *msg) 171 { 172 QemuConsole *con = NULL; 173 struct virtio_gpu_scanout *s; 174 175 switch (msg->request) { 176 case VHOST_USER_GPU_GET_PROTOCOL_FEATURES: { 177 VhostUserGpuMsg reply = { 178 .request = msg->request, 179 .flags = VHOST_USER_GPU_MSG_FLAG_REPLY, 180 .size = sizeof(uint64_t), 181 .payload = { 182 .u64 = (1 << VHOST_USER_GPU_PROTOCOL_F_EDID) | 183 (1 << VHOST_USER_GPU_PROTOCOL_F_DMABUF2) 184 } 185 }; 186 187 vhost_user_gpu_send_msg(g, &reply); 188 break; 189 } 190 case VHOST_USER_GPU_SET_PROTOCOL_FEATURES: { 191 break; 192 } 193 case VHOST_USER_GPU_GET_DISPLAY_INFO: { 194 struct virtio_gpu_resp_display_info display_info = { {} }; 195 VhostUserGpuMsg reply = { 196 .request = msg->request, 197 .flags = VHOST_USER_GPU_MSG_FLAG_REPLY, 198 .size = sizeof(struct virtio_gpu_resp_display_info), 199 }; 200 201 display_info.hdr.type = VIRTIO_GPU_RESP_OK_DISPLAY_INFO; 202 virtio_gpu_base_fill_display_info(VIRTIO_GPU_BASE(g), &display_info); 203 memcpy(&reply.payload.display_info, &display_info, 204 sizeof(display_info)); 205 vhost_user_gpu_send_msg(g, &reply); 206 break; 207 } 208 case VHOST_USER_GPU_GET_EDID: { 209 VhostUserGpuEdidRequest *m = &msg->payload.edid_req; 210 struct virtio_gpu_resp_edid resp = { {} }; 211 VhostUserGpuMsg reply = { 212 .request = msg->request, 213 .flags = VHOST_USER_GPU_MSG_FLAG_REPLY, 214 .size = sizeof(reply.payload.resp_edid), 215 }; 216 217 if (m->scanout_id >= g->parent_obj.conf.max_outputs) { 218 error_report("invalid scanout: %d", m->scanout_id); 219 break; 220 } 221 222 resp.hdr.type = VIRTIO_GPU_RESP_OK_EDID; 223 virtio_gpu_base_generate_edid(VIRTIO_GPU_BASE(g), m->scanout_id, &resp); 224 memcpy(&reply.payload.resp_edid, &resp, sizeof(resp)); 225 vhost_user_gpu_send_msg(g, &reply); 226 break; 227 } 228 case VHOST_USER_GPU_SCANOUT: { 229 VhostUserGpuScanout *m = &msg->payload.scanout; 230 231 if (m->scanout_id >= g->parent_obj.conf.max_outputs) { 232 return; 233 } 234 235 g->parent_obj.enable = 1; 236 s = &g->parent_obj.scanout[m->scanout_id]; 237 con = s->con; 238 239 if (m->width == 0) { 240 dpy_gfx_replace_surface(con, NULL); 241 } else { 242 s->ds = qemu_create_displaysurface(m->width, m->height); 243 /* replace surface on next update */ 244 } 245 246 break; 247 } 248 case VHOST_USER_GPU_DMABUF_SCANOUT2: 249 case VHOST_USER_GPU_DMABUF_SCANOUT: { 250 VhostUserGpuDMABUFScanout *m = &msg->payload.dmabuf_scanout; 251 int fd = qemu_chr_fe_get_msgfd(&g->vhost_chr); 252 QemuDmaBuf *dmabuf; 253 254 if (m->scanout_id >= g->parent_obj.conf.max_outputs) { 255 error_report("invalid scanout: %d", m->scanout_id); 256 if (fd >= 0) { 257 close(fd); 258 } 259 break; 260 } 261 262 g->parent_obj.enable = 1; 263 con = g->parent_obj.scanout[m->scanout_id].con; 264 dmabuf = &g->dmabuf[m->scanout_id]; 265 if (dmabuf->fd >= 0) { 266 close(dmabuf->fd); 267 dmabuf->fd = -1; 268 } 269 dpy_gl_release_dmabuf(con, dmabuf); 270 if (fd == -1) { 271 dpy_gl_scanout_disable(con); 272 break; 273 } 274 *dmabuf = (QemuDmaBuf) { 275 .fd = fd, 276 .width = m->fd_width, 277 .height = m->fd_height, 278 .stride = m->fd_stride, 279 .fourcc = m->fd_drm_fourcc, 280 .y0_top = m->fd_flags & VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP, 281 }; 282 if (msg->request == VHOST_USER_GPU_DMABUF_SCANOUT2) { 283 VhostUserGpuDMABUFScanout2 *m2 = &msg->payload.dmabuf_scanout2; 284 dmabuf->modifier = m2->modifier; 285 } 286 287 dpy_gl_scanout_dmabuf(con, dmabuf); 288 break; 289 } 290 case VHOST_USER_GPU_DMABUF_UPDATE: { 291 VhostUserGpuUpdate *m = &msg->payload.update; 292 293 if (m->scanout_id >= g->parent_obj.conf.max_outputs || 294 !g->parent_obj.scanout[m->scanout_id].con) { 295 error_report("invalid scanout update: %d", m->scanout_id); 296 vhost_user_gpu_unblock(g); 297 break; 298 } 299 300 con = g->parent_obj.scanout[m->scanout_id].con; 301 if (!console_has_gl(con)) { 302 error_report("console doesn't support GL!"); 303 vhost_user_gpu_unblock(g); 304 break; 305 } 306 g->backend_blocked = true; 307 dpy_gl_update(con, m->x, m->y, m->width, m->height); 308 break; 309 } 310 #ifdef CONFIG_PIXMAN 311 case VHOST_USER_GPU_UPDATE: { 312 VhostUserGpuUpdate *m = &msg->payload.update; 313 314 if (m->scanout_id >= g->parent_obj.conf.max_outputs) { 315 break; 316 } 317 s = &g->parent_obj.scanout[m->scanout_id]; 318 con = s->con; 319 pixman_image_t *image = 320 pixman_image_create_bits(PIXMAN_x8r8g8b8, 321 m->width, 322 m->height, 323 (uint32_t *)m->data, 324 m->width * 4); 325 326 pixman_image_composite(PIXMAN_OP_SRC, 327 image, NULL, s->ds->image, 328 0, 0, 0, 0, m->x, m->y, m->width, m->height); 329 330 pixman_image_unref(image); 331 if (qemu_console_surface(con) != s->ds) { 332 dpy_gfx_replace_surface(con, s->ds); 333 } else { 334 dpy_gfx_update(con, m->x, m->y, m->width, m->height); 335 } 336 break; 337 } 338 #endif 339 default: 340 g_warning("unhandled message %d %d", msg->request, msg->size); 341 } 342 343 if (con && qemu_console_is_gl_blocked(con)) { 344 vhost_user_gpu_update_blocked(g, true); 345 } 346 } 347 348 static void 349 vhost_user_gpu_chr_read(void *opaque) 350 { 351 VhostUserGPU *g = opaque; 352 VhostUserGpuMsg *msg = NULL; 353 VhostUserGpuRequest request; 354 uint32_t size, flags; 355 int r; 356 357 r = qemu_chr_fe_read_all(&g->vhost_chr, 358 (uint8_t *)&request, sizeof(uint32_t)); 359 if (r != sizeof(uint32_t)) { 360 error_report("failed to read msg header: %d, %d", r, errno); 361 goto end; 362 } 363 364 r = qemu_chr_fe_read_all(&g->vhost_chr, 365 (uint8_t *)&flags, sizeof(uint32_t)); 366 if (r != sizeof(uint32_t)) { 367 error_report("failed to read msg flags"); 368 goto end; 369 } 370 371 r = qemu_chr_fe_read_all(&g->vhost_chr, 372 (uint8_t *)&size, sizeof(uint32_t)); 373 if (r != sizeof(uint32_t)) { 374 error_report("failed to read msg size"); 375 goto end; 376 } 377 378 msg = g_malloc(VHOST_USER_GPU_HDR_SIZE + size); 379 380 r = qemu_chr_fe_read_all(&g->vhost_chr, 381 (uint8_t *)&msg->payload, size); 382 if (r != size) { 383 error_report("failed to read msg payload %d != %d", r, size); 384 goto end; 385 } 386 387 msg->request = request; 388 msg->flags = size; 389 msg->size = size; 390 391 if (request == VHOST_USER_GPU_CURSOR_UPDATE || 392 request == VHOST_USER_GPU_CURSOR_POS || 393 request == VHOST_USER_GPU_CURSOR_POS_HIDE) { 394 vhost_user_gpu_handle_cursor(g, msg); 395 } else { 396 vhost_user_gpu_handle_display(g, msg); 397 } 398 399 end: 400 g_free(msg); 401 } 402 403 static void 404 vhost_user_gpu_update_blocked(VhostUserGPU *g, bool blocked) 405 { 406 qemu_set_fd_handler(g->vhost_gpu_fd, 407 blocked ? NULL : vhost_user_gpu_chr_read, NULL, g); 408 } 409 410 static void 411 vhost_user_gpu_gl_flushed(VirtIOGPUBase *b) 412 { 413 VhostUserGPU *g = VHOST_USER_GPU(b); 414 415 if (g->backend_blocked) { 416 vhost_user_gpu_unblock(g); 417 g->backend_blocked = false; 418 } 419 420 vhost_user_gpu_update_blocked(g, false); 421 } 422 423 static bool 424 vhost_user_gpu_do_set_socket(VhostUserGPU *g, Error **errp) 425 { 426 Chardev *chr; 427 int sv[2]; 428 429 if (qemu_socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1) { 430 error_setg_errno(errp, errno, "socketpair() failed"); 431 return false; 432 } 433 434 chr = CHARDEV(object_new(TYPE_CHARDEV_SOCKET)); 435 if (!chr || qemu_chr_add_client(chr, sv[0]) == -1) { 436 error_setg(errp, "Failed to make socket chardev"); 437 goto err; 438 } 439 if (!qemu_chr_fe_init(&g->vhost_chr, chr, errp)) { 440 goto err; 441 } 442 if (vhost_user_gpu_set_socket(&g->vhost->dev, sv[1]) < 0) { 443 error_setg(errp, "Failed to set vhost-user-gpu socket"); 444 qemu_chr_fe_deinit(&g->vhost_chr, false); 445 goto err; 446 } 447 448 g->vhost_gpu_fd = sv[0]; 449 vhost_user_gpu_update_blocked(g, false); 450 close(sv[1]); 451 return true; 452 453 err: 454 close(sv[0]); 455 close(sv[1]); 456 if (chr) { 457 object_unref(OBJECT(chr)); 458 } 459 return false; 460 } 461 462 static void 463 vhost_user_gpu_get_config(VirtIODevice *vdev, uint8_t *config_data) 464 { 465 VhostUserGPU *g = VHOST_USER_GPU(vdev); 466 VirtIOGPUBase *b = VIRTIO_GPU_BASE(vdev); 467 struct virtio_gpu_config *vgconfig = 468 (struct virtio_gpu_config *)config_data; 469 Error *local_err = NULL; 470 int ret; 471 472 memset(config_data, 0, sizeof(struct virtio_gpu_config)); 473 474 ret = vhost_dev_get_config(&g->vhost->dev, 475 config_data, sizeof(struct virtio_gpu_config), 476 &local_err); 477 if (ret) { 478 error_report_err(local_err); 479 return; 480 } 481 482 /* those fields are managed by qemu */ 483 vgconfig->num_scanouts = b->virtio_config.num_scanouts; 484 vgconfig->events_read = b->virtio_config.events_read; 485 vgconfig->events_clear = b->virtio_config.events_clear; 486 } 487 488 static void 489 vhost_user_gpu_set_config(VirtIODevice *vdev, 490 const uint8_t *config_data) 491 { 492 VhostUserGPU *g = VHOST_USER_GPU(vdev); 493 VirtIOGPUBase *b = VIRTIO_GPU_BASE(vdev); 494 const struct virtio_gpu_config *vgconfig = 495 (const struct virtio_gpu_config *)config_data; 496 int ret; 497 498 if (vgconfig->events_clear) { 499 b->virtio_config.events_read &= ~vgconfig->events_clear; 500 } 501 502 ret = vhost_dev_set_config(&g->vhost->dev, config_data, 503 0, sizeof(struct virtio_gpu_config), 504 VHOST_SET_CONFIG_TYPE_FRONTEND); 505 if (ret) { 506 error_report("vhost-user-gpu: set device config space failed"); 507 return; 508 } 509 } 510 511 static void 512 vhost_user_gpu_set_status(VirtIODevice *vdev, uint8_t val) 513 { 514 VhostUserGPU *g = VHOST_USER_GPU(vdev); 515 Error *err = NULL; 516 517 if (val & VIRTIO_CONFIG_S_DRIVER_OK && vdev->vm_running) { 518 if (!vhost_user_gpu_do_set_socket(g, &err)) { 519 error_report_err(err); 520 return; 521 } 522 vhost_user_backend_start(g->vhost); 523 } else { 524 /* unblock any wait and stop processing */ 525 if (g->vhost_gpu_fd != -1) { 526 vhost_user_gpu_update_blocked(g, true); 527 qemu_chr_fe_deinit(&g->vhost_chr, true); 528 g->vhost_gpu_fd = -1; 529 } 530 vhost_user_backend_stop(g->vhost); 531 } 532 } 533 534 static bool 535 vhost_user_gpu_guest_notifier_pending(VirtIODevice *vdev, int idx) 536 { 537 VhostUserGPU *g = VHOST_USER_GPU(vdev); 538 539 /* 540 * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 541 * as the macro of configure interrupt's IDX, If this driver does not 542 * support, the function will return 543 */ 544 545 if (idx == VIRTIO_CONFIG_IRQ_IDX) { 546 return false; 547 } 548 return vhost_virtqueue_pending(&g->vhost->dev, idx); 549 } 550 551 static void 552 vhost_user_gpu_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask) 553 { 554 VhostUserGPU *g = VHOST_USER_GPU(vdev); 555 556 /* 557 * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 558 * as the macro of configure interrupt's IDX, If this driver does not 559 * support, the function will return 560 */ 561 562 if (idx == VIRTIO_CONFIG_IRQ_IDX) { 563 return; 564 } 565 vhost_virtqueue_mask(&g->vhost->dev, vdev, idx, mask); 566 } 567 568 static void 569 vhost_user_gpu_instance_init(Object *obj) 570 { 571 VhostUserGPU *g = VHOST_USER_GPU(obj); 572 573 g->vhost = VHOST_USER_BACKEND(object_new(TYPE_VHOST_USER_BACKEND)); 574 object_property_add_alias(obj, "chardev", 575 OBJECT(g->vhost), "chardev"); 576 } 577 578 static void 579 vhost_user_gpu_instance_finalize(Object *obj) 580 { 581 VhostUserGPU *g = VHOST_USER_GPU(obj); 582 583 object_unref(OBJECT(g->vhost)); 584 } 585 586 static void 587 vhost_user_gpu_reset(VirtIODevice *vdev) 588 { 589 VhostUserGPU *g = VHOST_USER_GPU(vdev); 590 591 virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 592 593 vhost_user_backend_stop(g->vhost); 594 } 595 596 static int 597 vhost_user_gpu_config_change(struct vhost_dev *dev) 598 { 599 error_report("vhost-user-gpu: unhandled backend config change"); 600 return -1; 601 } 602 603 static const VhostDevConfigOps config_ops = { 604 .vhost_dev_config_notifier = vhost_user_gpu_config_change, 605 }; 606 607 static void 608 vhost_user_gpu_device_realize(DeviceState *qdev, Error **errp) 609 { 610 VhostUserGPU *g = VHOST_USER_GPU(qdev); 611 VirtIODevice *vdev = VIRTIO_DEVICE(g); 612 613 vhost_dev_set_config_notifier(&g->vhost->dev, &config_ops); 614 if (vhost_user_backend_dev_init(g->vhost, vdev, 2, errp) < 0) { 615 return; 616 } 617 618 /* existing backend may send DMABUF, so let's add that requirement */ 619 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_DMABUF_ENABLED; 620 if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_VIRGL)) { 621 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED; 622 } 623 if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_EDID)) { 624 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_EDID_ENABLED; 625 } else { 626 error_report("EDID requested but the backend doesn't support it."); 627 g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_EDID_ENABLED); 628 } 629 630 if (!virtio_gpu_base_device_realize(qdev, NULL, NULL, errp)) { 631 return; 632 } 633 634 g->vhost_gpu_fd = -1; 635 } 636 637 static struct vhost_dev *vhost_user_gpu_get_vhost(VirtIODevice *vdev) 638 { 639 VhostUserGPU *g = VHOST_USER_GPU(vdev); 640 return &g->vhost->dev; 641 } 642 643 static Property vhost_user_gpu_properties[] = { 644 VIRTIO_GPU_BASE_PROPERTIES(VhostUserGPU, parent_obj.conf), 645 DEFINE_PROP_END_OF_LIST(), 646 }; 647 648 static void 649 vhost_user_gpu_class_init(ObjectClass *klass, void *data) 650 { 651 DeviceClass *dc = DEVICE_CLASS(klass); 652 VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 653 VirtIOGPUBaseClass *vgc = VIRTIO_GPU_BASE_CLASS(klass); 654 655 vgc->gl_flushed = vhost_user_gpu_gl_flushed; 656 657 vdc->realize = vhost_user_gpu_device_realize; 658 vdc->reset = vhost_user_gpu_reset; 659 vdc->set_status = vhost_user_gpu_set_status; 660 vdc->guest_notifier_mask = vhost_user_gpu_guest_notifier_mask; 661 vdc->guest_notifier_pending = vhost_user_gpu_guest_notifier_pending; 662 vdc->get_config = vhost_user_gpu_get_config; 663 vdc->set_config = vhost_user_gpu_set_config; 664 vdc->get_vhost = vhost_user_gpu_get_vhost; 665 666 device_class_set_props(dc, vhost_user_gpu_properties); 667 } 668 669 static const TypeInfo vhost_user_gpu_info = { 670 .name = TYPE_VHOST_USER_GPU, 671 .parent = TYPE_VIRTIO_GPU_BASE, 672 .instance_size = sizeof(VhostUserGPU), 673 .instance_init = vhost_user_gpu_instance_init, 674 .instance_finalize = vhost_user_gpu_instance_finalize, 675 .class_init = vhost_user_gpu_class_init, 676 }; 677 module_obj(TYPE_VHOST_USER_GPU); 678 module_kconfig(VHOST_USER_GPU); 679 680 static void vhost_user_gpu_register_types(void) 681 { 682 type_register_static(&vhost_user_gpu_info); 683 } 684 685 type_init(vhost_user_gpu_register_types) 686