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 uint64_t modifier = 0; 253 QemuDmaBuf *dmabuf; 254 255 if (m->scanout_id >= g->parent_obj.conf.max_outputs) { 256 error_report("invalid scanout: %d", m->scanout_id); 257 if (fd >= 0) { 258 close(fd); 259 } 260 break; 261 } 262 263 g->parent_obj.enable = 1; 264 con = g->parent_obj.scanout[m->scanout_id].con; 265 dmabuf = g->dmabuf[m->scanout_id]; 266 267 if (dmabuf) { 268 qemu_dmabuf_close(dmabuf); 269 dpy_gl_release_dmabuf(con, dmabuf); 270 g_clear_pointer(&dmabuf, qemu_dmabuf_free); 271 } 272 273 if (fd == -1) { 274 dpy_gl_scanout_disable(con); 275 g->dmabuf[m->scanout_id] = NULL; 276 break; 277 } 278 279 if (msg->request == VHOST_USER_GPU_DMABUF_SCANOUT2) { 280 VhostUserGpuDMABUFScanout2 *m2 = &msg->payload.dmabuf_scanout2; 281 modifier = m2->modifier; 282 } 283 284 dmabuf = qemu_dmabuf_new(m->width, m->height, 285 m->fd_stride, 0, 0, 286 m->fd_width, m->fd_height, 287 m->fd_drm_fourcc, modifier, 288 fd, false, m->fd_flags & 289 VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP); 290 291 dpy_gl_scanout_dmabuf(con, dmabuf); 292 g->dmabuf[m->scanout_id] = dmabuf; 293 break; 294 } 295 case VHOST_USER_GPU_DMABUF_UPDATE: { 296 VhostUserGpuUpdate *m = &msg->payload.update; 297 298 if (m->scanout_id >= g->parent_obj.conf.max_outputs || 299 !g->parent_obj.scanout[m->scanout_id].con) { 300 error_report("invalid scanout update: %d", m->scanout_id); 301 vhost_user_gpu_unblock(g); 302 break; 303 } 304 305 con = g->parent_obj.scanout[m->scanout_id].con; 306 if (!console_has_gl(con)) { 307 error_report("console doesn't support GL!"); 308 vhost_user_gpu_unblock(g); 309 break; 310 } 311 g->backend_blocked = true; 312 dpy_gl_update(con, m->x, m->y, m->width, m->height); 313 break; 314 } 315 #ifdef CONFIG_PIXMAN 316 case VHOST_USER_GPU_UPDATE: { 317 VhostUserGpuUpdate *m = &msg->payload.update; 318 319 if (m->scanout_id >= g->parent_obj.conf.max_outputs) { 320 break; 321 } 322 s = &g->parent_obj.scanout[m->scanout_id]; 323 con = s->con; 324 pixman_image_t *image = 325 pixman_image_create_bits(PIXMAN_x8r8g8b8, 326 m->width, 327 m->height, 328 (uint32_t *)m->data, 329 m->width * 4); 330 331 pixman_image_composite(PIXMAN_OP_SRC, 332 image, NULL, s->ds->image, 333 0, 0, 0, 0, m->x, m->y, m->width, m->height); 334 335 pixman_image_unref(image); 336 if (qemu_console_surface(con) != s->ds) { 337 dpy_gfx_replace_surface(con, s->ds); 338 } else { 339 dpy_gfx_update(con, m->x, m->y, m->width, m->height); 340 } 341 break; 342 } 343 #endif 344 default: 345 g_warning("unhandled message %d %d", msg->request, msg->size); 346 } 347 348 if (con && qemu_console_is_gl_blocked(con)) { 349 vhost_user_gpu_update_blocked(g, true); 350 } 351 } 352 353 static void 354 vhost_user_gpu_chr_read(void *opaque) 355 { 356 VhostUserGPU *g = opaque; 357 VhostUserGpuMsg *msg = NULL; 358 VhostUserGpuRequest request; 359 uint32_t size, flags; 360 int r; 361 362 r = qemu_chr_fe_read_all(&g->vhost_chr, 363 (uint8_t *)&request, sizeof(uint32_t)); 364 if (r != sizeof(uint32_t)) { 365 error_report("failed to read msg header: %d, %d", r, errno); 366 goto end; 367 } 368 369 r = qemu_chr_fe_read_all(&g->vhost_chr, 370 (uint8_t *)&flags, sizeof(uint32_t)); 371 if (r != sizeof(uint32_t)) { 372 error_report("failed to read msg flags"); 373 goto end; 374 } 375 376 r = qemu_chr_fe_read_all(&g->vhost_chr, 377 (uint8_t *)&size, sizeof(uint32_t)); 378 if (r != sizeof(uint32_t)) { 379 error_report("failed to read msg size"); 380 goto end; 381 } 382 383 msg = g_malloc(VHOST_USER_GPU_HDR_SIZE + size); 384 385 r = qemu_chr_fe_read_all(&g->vhost_chr, 386 (uint8_t *)&msg->payload, size); 387 if (r != size) { 388 error_report("failed to read msg payload %d != %d", r, size); 389 goto end; 390 } 391 392 msg->request = request; 393 msg->flags = size; 394 msg->size = size; 395 396 if (request == VHOST_USER_GPU_CURSOR_UPDATE || 397 request == VHOST_USER_GPU_CURSOR_POS || 398 request == VHOST_USER_GPU_CURSOR_POS_HIDE) { 399 vhost_user_gpu_handle_cursor(g, msg); 400 } else { 401 vhost_user_gpu_handle_display(g, msg); 402 } 403 404 end: 405 g_free(msg); 406 } 407 408 static void 409 vhost_user_gpu_update_blocked(VhostUserGPU *g, bool blocked) 410 { 411 qemu_set_fd_handler(g->vhost_gpu_fd, 412 blocked ? NULL : vhost_user_gpu_chr_read, NULL, g); 413 } 414 415 static void 416 vhost_user_gpu_gl_flushed(VirtIOGPUBase *b) 417 { 418 VhostUserGPU *g = VHOST_USER_GPU(b); 419 420 if (g->backend_blocked) { 421 vhost_user_gpu_unblock(g); 422 g->backend_blocked = false; 423 } 424 425 vhost_user_gpu_update_blocked(g, false); 426 } 427 428 static bool 429 vhost_user_gpu_do_set_socket(VhostUserGPU *g, Error **errp) 430 { 431 Chardev *chr; 432 int sv[2]; 433 434 if (qemu_socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1) { 435 error_setg_errno(errp, errno, "socketpair() failed"); 436 return false; 437 } 438 439 chr = CHARDEV(object_new(TYPE_CHARDEV_SOCKET)); 440 if (!chr || qemu_chr_add_client(chr, sv[0]) == -1) { 441 error_setg(errp, "Failed to make socket chardev"); 442 goto err; 443 } 444 if (!qemu_chr_fe_init(&g->vhost_chr, chr, errp)) { 445 goto err; 446 } 447 if (vhost_user_gpu_set_socket(&g->vhost->dev, sv[1]) < 0) { 448 error_setg(errp, "Failed to set vhost-user-gpu socket"); 449 qemu_chr_fe_deinit(&g->vhost_chr, false); 450 goto err; 451 } 452 453 g->vhost_gpu_fd = sv[0]; 454 vhost_user_gpu_update_blocked(g, false); 455 close(sv[1]); 456 return true; 457 458 err: 459 close(sv[0]); 460 close(sv[1]); 461 if (chr) { 462 object_unref(OBJECT(chr)); 463 } 464 return false; 465 } 466 467 static void 468 vhost_user_gpu_get_config(VirtIODevice *vdev, uint8_t *config_data) 469 { 470 VhostUserGPU *g = VHOST_USER_GPU(vdev); 471 VirtIOGPUBase *b = VIRTIO_GPU_BASE(vdev); 472 struct virtio_gpu_config *vgconfig = 473 (struct virtio_gpu_config *)config_data; 474 Error *local_err = NULL; 475 int ret; 476 477 memset(config_data, 0, sizeof(struct virtio_gpu_config)); 478 479 ret = vhost_dev_get_config(&g->vhost->dev, 480 config_data, sizeof(struct virtio_gpu_config), 481 &local_err); 482 if (ret) { 483 error_report_err(local_err); 484 return; 485 } 486 487 /* those fields are managed by qemu */ 488 vgconfig->num_scanouts = b->virtio_config.num_scanouts; 489 vgconfig->events_read = b->virtio_config.events_read; 490 vgconfig->events_clear = b->virtio_config.events_clear; 491 } 492 493 static void 494 vhost_user_gpu_set_config(VirtIODevice *vdev, 495 const uint8_t *config_data) 496 { 497 VhostUserGPU *g = VHOST_USER_GPU(vdev); 498 VirtIOGPUBase *b = VIRTIO_GPU_BASE(vdev); 499 const struct virtio_gpu_config *vgconfig = 500 (const struct virtio_gpu_config *)config_data; 501 int ret; 502 503 if (vgconfig->events_clear) { 504 b->virtio_config.events_read &= ~vgconfig->events_clear; 505 } 506 507 ret = vhost_dev_set_config(&g->vhost->dev, config_data, 508 0, sizeof(struct virtio_gpu_config), 509 VHOST_SET_CONFIG_TYPE_FRONTEND); 510 if (ret) { 511 error_report("vhost-user-gpu: set device config space failed"); 512 return; 513 } 514 } 515 516 static void 517 vhost_user_gpu_set_status(VirtIODevice *vdev, uint8_t val) 518 { 519 VhostUserGPU *g = VHOST_USER_GPU(vdev); 520 Error *err = NULL; 521 522 if (val & VIRTIO_CONFIG_S_DRIVER_OK && vdev->vm_running) { 523 if (!vhost_user_gpu_do_set_socket(g, &err)) { 524 error_report_err(err); 525 return; 526 } 527 vhost_user_backend_start(g->vhost); 528 } else { 529 /* unblock any wait and stop processing */ 530 if (g->vhost_gpu_fd != -1) { 531 vhost_user_gpu_update_blocked(g, true); 532 qemu_chr_fe_deinit(&g->vhost_chr, true); 533 g->vhost_gpu_fd = -1; 534 } 535 vhost_user_backend_stop(g->vhost); 536 } 537 } 538 539 static bool 540 vhost_user_gpu_guest_notifier_pending(VirtIODevice *vdev, int idx) 541 { 542 VhostUserGPU *g = VHOST_USER_GPU(vdev); 543 544 /* 545 * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 546 * as the macro of configure interrupt's IDX, If this driver does not 547 * support, the function will return 548 */ 549 550 if (idx == VIRTIO_CONFIG_IRQ_IDX) { 551 return false; 552 } 553 return vhost_virtqueue_pending(&g->vhost->dev, idx); 554 } 555 556 static void 557 vhost_user_gpu_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask) 558 { 559 VhostUserGPU *g = VHOST_USER_GPU(vdev); 560 561 /* 562 * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 563 * as the macro of configure interrupt's IDX, If this driver does not 564 * support, the function will return 565 */ 566 567 if (idx == VIRTIO_CONFIG_IRQ_IDX) { 568 return; 569 } 570 vhost_virtqueue_mask(&g->vhost->dev, vdev, idx, mask); 571 } 572 573 static void 574 vhost_user_gpu_instance_init(Object *obj) 575 { 576 VhostUserGPU *g = VHOST_USER_GPU(obj); 577 578 g->vhost = VHOST_USER_BACKEND(object_new(TYPE_VHOST_USER_BACKEND)); 579 object_property_add_alias(obj, "chardev", 580 OBJECT(g->vhost), "chardev"); 581 } 582 583 static void 584 vhost_user_gpu_instance_finalize(Object *obj) 585 { 586 VhostUserGPU *g = VHOST_USER_GPU(obj); 587 588 object_unref(OBJECT(g->vhost)); 589 } 590 591 static void 592 vhost_user_gpu_reset(VirtIODevice *vdev) 593 { 594 VhostUserGPU *g = VHOST_USER_GPU(vdev); 595 596 virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 597 598 vhost_user_backend_stop(g->vhost); 599 } 600 601 static int 602 vhost_user_gpu_config_change(struct vhost_dev *dev) 603 { 604 error_report("vhost-user-gpu: unhandled backend config change"); 605 return -1; 606 } 607 608 static const VhostDevConfigOps config_ops = { 609 .vhost_dev_config_notifier = vhost_user_gpu_config_change, 610 }; 611 612 static void 613 vhost_user_gpu_device_realize(DeviceState *qdev, Error **errp) 614 { 615 VhostUserGPU *g = VHOST_USER_GPU(qdev); 616 VirtIODevice *vdev = VIRTIO_DEVICE(g); 617 618 vhost_dev_set_config_notifier(&g->vhost->dev, &config_ops); 619 if (vhost_user_backend_dev_init(g->vhost, vdev, 2, errp) < 0) { 620 return; 621 } 622 623 /* existing backend may send DMABUF, so let's add that requirement */ 624 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_DMABUF_ENABLED; 625 if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_VIRGL)) { 626 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED; 627 } 628 if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_EDID)) { 629 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_EDID_ENABLED; 630 } else { 631 error_report("EDID requested but the backend doesn't support it."); 632 g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_EDID_ENABLED); 633 } 634 635 if (!virtio_gpu_base_device_realize(qdev, NULL, NULL, errp)) { 636 return; 637 } 638 639 g->vhost_gpu_fd = -1; 640 } 641 642 static struct vhost_dev *vhost_user_gpu_get_vhost(VirtIODevice *vdev) 643 { 644 VhostUserGPU *g = VHOST_USER_GPU(vdev); 645 return &g->vhost->dev; 646 } 647 648 static Property vhost_user_gpu_properties[] = { 649 VIRTIO_GPU_BASE_PROPERTIES(VhostUserGPU, parent_obj.conf), 650 DEFINE_PROP_END_OF_LIST(), 651 }; 652 653 static void 654 vhost_user_gpu_class_init(ObjectClass *klass, void *data) 655 { 656 DeviceClass *dc = DEVICE_CLASS(klass); 657 VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 658 VirtIOGPUBaseClass *vgc = VIRTIO_GPU_BASE_CLASS(klass); 659 660 vgc->gl_flushed = vhost_user_gpu_gl_flushed; 661 662 vdc->realize = vhost_user_gpu_device_realize; 663 vdc->reset = vhost_user_gpu_reset; 664 vdc->set_status = vhost_user_gpu_set_status; 665 vdc->guest_notifier_mask = vhost_user_gpu_guest_notifier_mask; 666 vdc->guest_notifier_pending = vhost_user_gpu_guest_notifier_pending; 667 vdc->get_config = vhost_user_gpu_get_config; 668 vdc->set_config = vhost_user_gpu_set_config; 669 vdc->get_vhost = vhost_user_gpu_get_vhost; 670 671 device_class_set_props(dc, vhost_user_gpu_properties); 672 } 673 674 static const TypeInfo vhost_user_gpu_info = { 675 .name = TYPE_VHOST_USER_GPU, 676 .parent = TYPE_VIRTIO_GPU_BASE, 677 .instance_size = sizeof(VhostUserGPU), 678 .instance_init = vhost_user_gpu_instance_init, 679 .instance_finalize = vhost_user_gpu_instance_finalize, 680 .class_init = vhost_user_gpu_class_init, 681 }; 682 module_obj(TYPE_VHOST_USER_GPU); 683 module_kconfig(VHOST_USER_GPU); 684 685 static void vhost_user_gpu_register_types(void) 686 { 687 type_register_static(&vhost_user_gpu_info); 688 } 689 690 type_init(vhost_user_gpu_register_types) 691