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 qemu_dmabuf_close(dmabuf); 266 dpy_gl_release_dmabuf(con, dmabuf); 267 if (fd == -1) { 268 dpy_gl_scanout_disable(con); 269 break; 270 } 271 *dmabuf = (QemuDmaBuf) { 272 .fd = fd, 273 .width = m->fd_width, 274 .height = m->fd_height, 275 .stride = m->fd_stride, 276 .fourcc = m->fd_drm_fourcc, 277 .y0_top = m->fd_flags & VIRTIO_GPU_RESOURCE_FLAG_Y_0_TOP, 278 }; 279 if (msg->request == VHOST_USER_GPU_DMABUF_SCANOUT2) { 280 VhostUserGpuDMABUFScanout2 *m2 = &msg->payload.dmabuf_scanout2; 281 dmabuf->modifier = m2->modifier; 282 } 283 284 dpy_gl_scanout_dmabuf(con, dmabuf); 285 break; 286 } 287 case VHOST_USER_GPU_DMABUF_UPDATE: { 288 VhostUserGpuUpdate *m = &msg->payload.update; 289 290 if (m->scanout_id >= g->parent_obj.conf.max_outputs || 291 !g->parent_obj.scanout[m->scanout_id].con) { 292 error_report("invalid scanout update: %d", m->scanout_id); 293 vhost_user_gpu_unblock(g); 294 break; 295 } 296 297 con = g->parent_obj.scanout[m->scanout_id].con; 298 if (!console_has_gl(con)) { 299 error_report("console doesn't support GL!"); 300 vhost_user_gpu_unblock(g); 301 break; 302 } 303 g->backend_blocked = true; 304 dpy_gl_update(con, m->x, m->y, m->width, m->height); 305 break; 306 } 307 #ifdef CONFIG_PIXMAN 308 case VHOST_USER_GPU_UPDATE: { 309 VhostUserGpuUpdate *m = &msg->payload.update; 310 311 if (m->scanout_id >= g->parent_obj.conf.max_outputs) { 312 break; 313 } 314 s = &g->parent_obj.scanout[m->scanout_id]; 315 con = s->con; 316 pixman_image_t *image = 317 pixman_image_create_bits(PIXMAN_x8r8g8b8, 318 m->width, 319 m->height, 320 (uint32_t *)m->data, 321 m->width * 4); 322 323 pixman_image_composite(PIXMAN_OP_SRC, 324 image, NULL, s->ds->image, 325 0, 0, 0, 0, m->x, m->y, m->width, m->height); 326 327 pixman_image_unref(image); 328 if (qemu_console_surface(con) != s->ds) { 329 dpy_gfx_replace_surface(con, s->ds); 330 } else { 331 dpy_gfx_update(con, m->x, m->y, m->width, m->height); 332 } 333 break; 334 } 335 #endif 336 default: 337 g_warning("unhandled message %d %d", msg->request, msg->size); 338 } 339 340 if (con && qemu_console_is_gl_blocked(con)) { 341 vhost_user_gpu_update_blocked(g, true); 342 } 343 } 344 345 static void 346 vhost_user_gpu_chr_read(void *opaque) 347 { 348 VhostUserGPU *g = opaque; 349 VhostUserGpuMsg *msg = NULL; 350 VhostUserGpuRequest request; 351 uint32_t size, flags; 352 int r; 353 354 r = qemu_chr_fe_read_all(&g->vhost_chr, 355 (uint8_t *)&request, sizeof(uint32_t)); 356 if (r != sizeof(uint32_t)) { 357 error_report("failed to read msg header: %d, %d", r, errno); 358 goto end; 359 } 360 361 r = qemu_chr_fe_read_all(&g->vhost_chr, 362 (uint8_t *)&flags, sizeof(uint32_t)); 363 if (r != sizeof(uint32_t)) { 364 error_report("failed to read msg flags"); 365 goto end; 366 } 367 368 r = qemu_chr_fe_read_all(&g->vhost_chr, 369 (uint8_t *)&size, sizeof(uint32_t)); 370 if (r != sizeof(uint32_t)) { 371 error_report("failed to read msg size"); 372 goto end; 373 } 374 375 msg = g_malloc(VHOST_USER_GPU_HDR_SIZE + size); 376 377 r = qemu_chr_fe_read_all(&g->vhost_chr, 378 (uint8_t *)&msg->payload, size); 379 if (r != size) { 380 error_report("failed to read msg payload %d != %d", r, size); 381 goto end; 382 } 383 384 msg->request = request; 385 msg->flags = size; 386 msg->size = size; 387 388 if (request == VHOST_USER_GPU_CURSOR_UPDATE || 389 request == VHOST_USER_GPU_CURSOR_POS || 390 request == VHOST_USER_GPU_CURSOR_POS_HIDE) { 391 vhost_user_gpu_handle_cursor(g, msg); 392 } else { 393 vhost_user_gpu_handle_display(g, msg); 394 } 395 396 end: 397 g_free(msg); 398 } 399 400 static void 401 vhost_user_gpu_update_blocked(VhostUserGPU *g, bool blocked) 402 { 403 qemu_set_fd_handler(g->vhost_gpu_fd, 404 blocked ? NULL : vhost_user_gpu_chr_read, NULL, g); 405 } 406 407 static void 408 vhost_user_gpu_gl_flushed(VirtIOGPUBase *b) 409 { 410 VhostUserGPU *g = VHOST_USER_GPU(b); 411 412 if (g->backend_blocked) { 413 vhost_user_gpu_unblock(g); 414 g->backend_blocked = false; 415 } 416 417 vhost_user_gpu_update_blocked(g, false); 418 } 419 420 static bool 421 vhost_user_gpu_do_set_socket(VhostUserGPU *g, Error **errp) 422 { 423 Chardev *chr; 424 int sv[2]; 425 426 if (qemu_socketpair(PF_UNIX, SOCK_STREAM, 0, sv) == -1) { 427 error_setg_errno(errp, errno, "socketpair() failed"); 428 return false; 429 } 430 431 chr = CHARDEV(object_new(TYPE_CHARDEV_SOCKET)); 432 if (!chr || qemu_chr_add_client(chr, sv[0]) == -1) { 433 error_setg(errp, "Failed to make socket chardev"); 434 goto err; 435 } 436 if (!qemu_chr_fe_init(&g->vhost_chr, chr, errp)) { 437 goto err; 438 } 439 if (vhost_user_gpu_set_socket(&g->vhost->dev, sv[1]) < 0) { 440 error_setg(errp, "Failed to set vhost-user-gpu socket"); 441 qemu_chr_fe_deinit(&g->vhost_chr, false); 442 goto err; 443 } 444 445 g->vhost_gpu_fd = sv[0]; 446 vhost_user_gpu_update_blocked(g, false); 447 close(sv[1]); 448 return true; 449 450 err: 451 close(sv[0]); 452 close(sv[1]); 453 if (chr) { 454 object_unref(OBJECT(chr)); 455 } 456 return false; 457 } 458 459 static void 460 vhost_user_gpu_get_config(VirtIODevice *vdev, uint8_t *config_data) 461 { 462 VhostUserGPU *g = VHOST_USER_GPU(vdev); 463 VirtIOGPUBase *b = VIRTIO_GPU_BASE(vdev); 464 struct virtio_gpu_config *vgconfig = 465 (struct virtio_gpu_config *)config_data; 466 Error *local_err = NULL; 467 int ret; 468 469 memset(config_data, 0, sizeof(struct virtio_gpu_config)); 470 471 ret = vhost_dev_get_config(&g->vhost->dev, 472 config_data, sizeof(struct virtio_gpu_config), 473 &local_err); 474 if (ret) { 475 error_report_err(local_err); 476 return; 477 } 478 479 /* those fields are managed by qemu */ 480 vgconfig->num_scanouts = b->virtio_config.num_scanouts; 481 vgconfig->events_read = b->virtio_config.events_read; 482 vgconfig->events_clear = b->virtio_config.events_clear; 483 } 484 485 static void 486 vhost_user_gpu_set_config(VirtIODevice *vdev, 487 const uint8_t *config_data) 488 { 489 VhostUserGPU *g = VHOST_USER_GPU(vdev); 490 VirtIOGPUBase *b = VIRTIO_GPU_BASE(vdev); 491 const struct virtio_gpu_config *vgconfig = 492 (const struct virtio_gpu_config *)config_data; 493 int ret; 494 495 if (vgconfig->events_clear) { 496 b->virtio_config.events_read &= ~vgconfig->events_clear; 497 } 498 499 ret = vhost_dev_set_config(&g->vhost->dev, config_data, 500 0, sizeof(struct virtio_gpu_config), 501 VHOST_SET_CONFIG_TYPE_FRONTEND); 502 if (ret) { 503 error_report("vhost-user-gpu: set device config space failed"); 504 return; 505 } 506 } 507 508 static void 509 vhost_user_gpu_set_status(VirtIODevice *vdev, uint8_t val) 510 { 511 VhostUserGPU *g = VHOST_USER_GPU(vdev); 512 Error *err = NULL; 513 514 if (val & VIRTIO_CONFIG_S_DRIVER_OK && vdev->vm_running) { 515 if (!vhost_user_gpu_do_set_socket(g, &err)) { 516 error_report_err(err); 517 return; 518 } 519 vhost_user_backend_start(g->vhost); 520 } else { 521 /* unblock any wait and stop processing */ 522 if (g->vhost_gpu_fd != -1) { 523 vhost_user_gpu_update_blocked(g, true); 524 qemu_chr_fe_deinit(&g->vhost_chr, true); 525 g->vhost_gpu_fd = -1; 526 } 527 vhost_user_backend_stop(g->vhost); 528 } 529 } 530 531 static bool 532 vhost_user_gpu_guest_notifier_pending(VirtIODevice *vdev, int idx) 533 { 534 VhostUserGPU *g = VHOST_USER_GPU(vdev); 535 536 /* 537 * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 538 * as the macro of configure interrupt's IDX, If this driver does not 539 * support, the function will return 540 */ 541 542 if (idx == VIRTIO_CONFIG_IRQ_IDX) { 543 return false; 544 } 545 return vhost_virtqueue_pending(&g->vhost->dev, idx); 546 } 547 548 static void 549 vhost_user_gpu_guest_notifier_mask(VirtIODevice *vdev, int idx, bool mask) 550 { 551 VhostUserGPU *g = VHOST_USER_GPU(vdev); 552 553 /* 554 * Add the check for configure interrupt, Use VIRTIO_CONFIG_IRQ_IDX -1 555 * as the macro of configure interrupt's IDX, If this driver does not 556 * support, the function will return 557 */ 558 559 if (idx == VIRTIO_CONFIG_IRQ_IDX) { 560 return; 561 } 562 vhost_virtqueue_mask(&g->vhost->dev, vdev, idx, mask); 563 } 564 565 static void 566 vhost_user_gpu_instance_init(Object *obj) 567 { 568 VhostUserGPU *g = VHOST_USER_GPU(obj); 569 570 g->vhost = VHOST_USER_BACKEND(object_new(TYPE_VHOST_USER_BACKEND)); 571 object_property_add_alias(obj, "chardev", 572 OBJECT(g->vhost), "chardev"); 573 } 574 575 static void 576 vhost_user_gpu_instance_finalize(Object *obj) 577 { 578 VhostUserGPU *g = VHOST_USER_GPU(obj); 579 580 object_unref(OBJECT(g->vhost)); 581 } 582 583 static void 584 vhost_user_gpu_reset(VirtIODevice *vdev) 585 { 586 VhostUserGPU *g = VHOST_USER_GPU(vdev); 587 588 virtio_gpu_base_reset(VIRTIO_GPU_BASE(vdev)); 589 590 vhost_user_backend_stop(g->vhost); 591 } 592 593 static int 594 vhost_user_gpu_config_change(struct vhost_dev *dev) 595 { 596 error_report("vhost-user-gpu: unhandled backend config change"); 597 return -1; 598 } 599 600 static const VhostDevConfigOps config_ops = { 601 .vhost_dev_config_notifier = vhost_user_gpu_config_change, 602 }; 603 604 static void 605 vhost_user_gpu_device_realize(DeviceState *qdev, Error **errp) 606 { 607 VhostUserGPU *g = VHOST_USER_GPU(qdev); 608 VirtIODevice *vdev = VIRTIO_DEVICE(g); 609 610 vhost_dev_set_config_notifier(&g->vhost->dev, &config_ops); 611 if (vhost_user_backend_dev_init(g->vhost, vdev, 2, errp) < 0) { 612 return; 613 } 614 615 /* existing backend may send DMABUF, so let's add that requirement */ 616 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_DMABUF_ENABLED; 617 if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_VIRGL)) { 618 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_VIRGL_ENABLED; 619 } 620 if (virtio_has_feature(g->vhost->dev.features, VIRTIO_GPU_F_EDID)) { 621 g->parent_obj.conf.flags |= 1 << VIRTIO_GPU_FLAG_EDID_ENABLED; 622 } else { 623 error_report("EDID requested but the backend doesn't support it."); 624 g->parent_obj.conf.flags &= ~(1 << VIRTIO_GPU_FLAG_EDID_ENABLED); 625 } 626 627 if (!virtio_gpu_base_device_realize(qdev, NULL, NULL, errp)) { 628 return; 629 } 630 631 g->vhost_gpu_fd = -1; 632 } 633 634 static struct vhost_dev *vhost_user_gpu_get_vhost(VirtIODevice *vdev) 635 { 636 VhostUserGPU *g = VHOST_USER_GPU(vdev); 637 return &g->vhost->dev; 638 } 639 640 static Property vhost_user_gpu_properties[] = { 641 VIRTIO_GPU_BASE_PROPERTIES(VhostUserGPU, parent_obj.conf), 642 DEFINE_PROP_END_OF_LIST(), 643 }; 644 645 static void 646 vhost_user_gpu_class_init(ObjectClass *klass, void *data) 647 { 648 DeviceClass *dc = DEVICE_CLASS(klass); 649 VirtioDeviceClass *vdc = VIRTIO_DEVICE_CLASS(klass); 650 VirtIOGPUBaseClass *vgc = VIRTIO_GPU_BASE_CLASS(klass); 651 652 vgc->gl_flushed = vhost_user_gpu_gl_flushed; 653 654 vdc->realize = vhost_user_gpu_device_realize; 655 vdc->reset = vhost_user_gpu_reset; 656 vdc->set_status = vhost_user_gpu_set_status; 657 vdc->guest_notifier_mask = vhost_user_gpu_guest_notifier_mask; 658 vdc->guest_notifier_pending = vhost_user_gpu_guest_notifier_pending; 659 vdc->get_config = vhost_user_gpu_get_config; 660 vdc->set_config = vhost_user_gpu_set_config; 661 vdc->get_vhost = vhost_user_gpu_get_vhost; 662 663 device_class_set_props(dc, vhost_user_gpu_properties); 664 } 665 666 static const TypeInfo vhost_user_gpu_info = { 667 .name = TYPE_VHOST_USER_GPU, 668 .parent = TYPE_VIRTIO_GPU_BASE, 669 .instance_size = sizeof(VhostUserGPU), 670 .instance_init = vhost_user_gpu_instance_init, 671 .instance_finalize = vhost_user_gpu_instance_finalize, 672 .class_init = vhost_user_gpu_class_init, 673 }; 674 module_obj(TYPE_VHOST_USER_GPU); 675 module_kconfig(VHOST_USER_GPU); 676 677 static void vhost_user_gpu_register_types(void) 678 { 679 type_register_static(&vhost_user_gpu_info); 680 } 681 682 type_init(vhost_user_gpu_register_types) 683