1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * VDPA device simulator core. 4 * 5 * Copyright (c) 2020, Red Hat Inc. All rights reserved. 6 * Author: Jason Wang <jasowang@redhat.com> 7 * 8 */ 9 10 #include <linux/init.h> 11 #include <linux/module.h> 12 #include <linux/device.h> 13 #include <linux/kernel.h> 14 #include <linux/slab.h> 15 #include <linux/sched.h> 16 #include <linux/dma-map-ops.h> 17 #include <linux/vringh.h> 18 #include <linux/vdpa.h> 19 #include <linux/vhost_iotlb.h> 20 #include <linux/iova.h> 21 22 #include "vdpa_sim.h" 23 24 #define DRV_VERSION "0.1" 25 #define DRV_AUTHOR "Jason Wang <jasowang@redhat.com>" 26 #define DRV_DESC "vDPA Device Simulator core" 27 #define DRV_LICENSE "GPL v2" 28 29 static int batch_mapping = 1; 30 module_param(batch_mapping, int, 0444); 31 MODULE_PARM_DESC(batch_mapping, "Batched mapping 1 -Enable; 0 - Disable"); 32 33 static int max_iotlb_entries = 2048; 34 module_param(max_iotlb_entries, int, 0444); 35 MODULE_PARM_DESC(max_iotlb_entries, 36 "Maximum number of iotlb entries for each address space. 0 means unlimited. (default: 2048)"); 37 38 #define VDPASIM_QUEUE_ALIGN PAGE_SIZE 39 #define VDPASIM_QUEUE_MAX 256 40 #define VDPASIM_VENDOR_ID 0 41 42 static struct vdpasim *vdpa_to_sim(struct vdpa_device *vdpa) 43 { 44 return container_of(vdpa, struct vdpasim, vdpa); 45 } 46 47 static struct vdpasim *dev_to_sim(struct device *dev) 48 { 49 struct vdpa_device *vdpa = dev_to_vdpa(dev); 50 51 return vdpa_to_sim(vdpa); 52 } 53 54 static void vdpasim_vq_notify(struct vringh *vring) 55 { 56 struct vdpasim_virtqueue *vq = 57 container_of(vring, struct vdpasim_virtqueue, vring); 58 59 if (!vq->cb) 60 return; 61 62 vq->cb(vq->private); 63 } 64 65 static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx) 66 { 67 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 68 69 vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features, 70 VDPASIM_QUEUE_MAX, false, 71 (struct vring_desc *)(uintptr_t)vq->desc_addr, 72 (struct vring_avail *) 73 (uintptr_t)vq->driver_addr, 74 (struct vring_used *) 75 (uintptr_t)vq->device_addr); 76 77 vq->vring.notify = vdpasim_vq_notify; 78 } 79 80 static void vdpasim_vq_reset(struct vdpasim *vdpasim, 81 struct vdpasim_virtqueue *vq) 82 { 83 vq->ready = false; 84 vq->desc_addr = 0; 85 vq->driver_addr = 0; 86 vq->device_addr = 0; 87 vq->cb = NULL; 88 vq->private = NULL; 89 vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features, 90 VDPASIM_QUEUE_MAX, false, NULL, NULL, NULL); 91 92 vq->vring.notify = NULL; 93 } 94 95 static void vdpasim_do_reset(struct vdpasim *vdpasim) 96 { 97 int i; 98 99 spin_lock(&vdpasim->iommu_lock); 100 101 for (i = 0; i < vdpasim->dev_attr.nvqs; i++) { 102 vdpasim_vq_reset(vdpasim, &vdpasim->vqs[i]); 103 vringh_set_iotlb(&vdpasim->vqs[i].vring, &vdpasim->iommu[0], 104 &vdpasim->iommu_lock); 105 } 106 107 for (i = 0; i < vdpasim->dev_attr.nas; i++) 108 vhost_iotlb_reset(&vdpasim->iommu[i]); 109 110 vdpasim->running = true; 111 spin_unlock(&vdpasim->iommu_lock); 112 113 vdpasim->features = 0; 114 vdpasim->status = 0; 115 ++vdpasim->generation; 116 } 117 118 static int dir_to_perm(enum dma_data_direction dir) 119 { 120 int perm = -EFAULT; 121 122 switch (dir) { 123 case DMA_FROM_DEVICE: 124 perm = VHOST_MAP_WO; 125 break; 126 case DMA_TO_DEVICE: 127 perm = VHOST_MAP_RO; 128 break; 129 case DMA_BIDIRECTIONAL: 130 perm = VHOST_MAP_RW; 131 break; 132 default: 133 break; 134 } 135 136 return perm; 137 } 138 139 static dma_addr_t vdpasim_map_range(struct vdpasim *vdpasim, phys_addr_t paddr, 140 size_t size, unsigned int perm) 141 { 142 struct iova *iova; 143 dma_addr_t dma_addr; 144 int ret; 145 146 /* We set the limit_pfn to the maximum (ULONG_MAX - 1) */ 147 iova = alloc_iova(&vdpasim->iova, size >> iova_shift(&vdpasim->iova), 148 ULONG_MAX - 1, true); 149 if (!iova) 150 return DMA_MAPPING_ERROR; 151 152 dma_addr = iova_dma_addr(&vdpasim->iova, iova); 153 154 spin_lock(&vdpasim->iommu_lock); 155 ret = vhost_iotlb_add_range(&vdpasim->iommu[0], (u64)dma_addr, 156 (u64)dma_addr + size - 1, (u64)paddr, perm); 157 spin_unlock(&vdpasim->iommu_lock); 158 159 if (ret) { 160 __free_iova(&vdpasim->iova, iova); 161 return DMA_MAPPING_ERROR; 162 } 163 164 return dma_addr; 165 } 166 167 static void vdpasim_unmap_range(struct vdpasim *vdpasim, dma_addr_t dma_addr, 168 size_t size) 169 { 170 spin_lock(&vdpasim->iommu_lock); 171 vhost_iotlb_del_range(&vdpasim->iommu[0], (u64)dma_addr, 172 (u64)dma_addr + size - 1); 173 spin_unlock(&vdpasim->iommu_lock); 174 175 free_iova(&vdpasim->iova, iova_pfn(&vdpasim->iova, dma_addr)); 176 } 177 178 static dma_addr_t vdpasim_map_page(struct device *dev, struct page *page, 179 unsigned long offset, size_t size, 180 enum dma_data_direction dir, 181 unsigned long attrs) 182 { 183 struct vdpasim *vdpasim = dev_to_sim(dev); 184 phys_addr_t paddr = page_to_phys(page) + offset; 185 int perm = dir_to_perm(dir); 186 187 if (perm < 0) 188 return DMA_MAPPING_ERROR; 189 190 return vdpasim_map_range(vdpasim, paddr, size, perm); 191 } 192 193 static void vdpasim_unmap_page(struct device *dev, dma_addr_t dma_addr, 194 size_t size, enum dma_data_direction dir, 195 unsigned long attrs) 196 { 197 struct vdpasim *vdpasim = dev_to_sim(dev); 198 199 vdpasim_unmap_range(vdpasim, dma_addr, size); 200 } 201 202 static void *vdpasim_alloc_coherent(struct device *dev, size_t size, 203 dma_addr_t *dma_addr, gfp_t flag, 204 unsigned long attrs) 205 { 206 struct vdpasim *vdpasim = dev_to_sim(dev); 207 phys_addr_t paddr; 208 void *addr; 209 210 addr = kmalloc(size, flag); 211 if (!addr) { 212 *dma_addr = DMA_MAPPING_ERROR; 213 return NULL; 214 } 215 216 paddr = virt_to_phys(addr); 217 218 *dma_addr = vdpasim_map_range(vdpasim, paddr, size, VHOST_MAP_RW); 219 if (*dma_addr == DMA_MAPPING_ERROR) { 220 kfree(addr); 221 return NULL; 222 } 223 224 return addr; 225 } 226 227 static void vdpasim_free_coherent(struct device *dev, size_t size, 228 void *vaddr, dma_addr_t dma_addr, 229 unsigned long attrs) 230 { 231 struct vdpasim *vdpasim = dev_to_sim(dev); 232 233 vdpasim_unmap_range(vdpasim, dma_addr, size); 234 235 kfree(vaddr); 236 } 237 238 static const struct dma_map_ops vdpasim_dma_ops = { 239 .map_page = vdpasim_map_page, 240 .unmap_page = vdpasim_unmap_page, 241 .alloc = vdpasim_alloc_coherent, 242 .free = vdpasim_free_coherent, 243 }; 244 245 static const struct vdpa_config_ops vdpasim_config_ops; 246 static const struct vdpa_config_ops vdpasim_batch_config_ops; 247 248 struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr) 249 { 250 const struct vdpa_config_ops *ops; 251 struct vdpasim *vdpasim; 252 struct device *dev; 253 int i, ret = -ENOMEM; 254 255 if (batch_mapping) 256 ops = &vdpasim_batch_config_ops; 257 else 258 ops = &vdpasim_config_ops; 259 260 vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops, 261 dev_attr->ngroups, dev_attr->nas, 262 dev_attr->name, false); 263 if (IS_ERR(vdpasim)) { 264 ret = PTR_ERR(vdpasim); 265 goto err_alloc; 266 } 267 268 vdpasim->dev_attr = *dev_attr; 269 INIT_WORK(&vdpasim->work, dev_attr->work_fn); 270 spin_lock_init(&vdpasim->lock); 271 spin_lock_init(&vdpasim->iommu_lock); 272 273 dev = &vdpasim->vdpa.dev; 274 dev->dma_mask = &dev->coherent_dma_mask; 275 if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64))) 276 goto err_iommu; 277 set_dma_ops(dev, &vdpasim_dma_ops); 278 vdpasim->vdpa.mdev = dev_attr->mgmt_dev; 279 280 vdpasim->config = kzalloc(dev_attr->config_size, GFP_KERNEL); 281 if (!vdpasim->config) 282 goto err_iommu; 283 284 vdpasim->vqs = kcalloc(dev_attr->nvqs, sizeof(struct vdpasim_virtqueue), 285 GFP_KERNEL); 286 if (!vdpasim->vqs) 287 goto err_iommu; 288 289 vdpasim->iommu = kmalloc_array(vdpasim->dev_attr.nas, 290 sizeof(*vdpasim->iommu), GFP_KERNEL); 291 if (!vdpasim->iommu) 292 goto err_iommu; 293 294 for (i = 0; i < vdpasim->dev_attr.nas; i++) 295 vhost_iotlb_init(&vdpasim->iommu[i], max_iotlb_entries, 0); 296 297 vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL); 298 if (!vdpasim->buffer) 299 goto err_iommu; 300 301 for (i = 0; i < dev_attr->nvqs; i++) 302 vringh_set_iotlb(&vdpasim->vqs[i].vring, &vdpasim->iommu[0], 303 &vdpasim->iommu_lock); 304 305 ret = iova_cache_get(); 306 if (ret) 307 goto err_iommu; 308 309 /* For simplicity we use an IOVA allocator with byte granularity */ 310 init_iova_domain(&vdpasim->iova, 1, 0); 311 312 vdpasim->vdpa.dma_dev = dev; 313 314 return vdpasim; 315 316 err_iommu: 317 put_device(dev); 318 err_alloc: 319 return ERR_PTR(ret); 320 } 321 EXPORT_SYMBOL_GPL(vdpasim_create); 322 323 static int vdpasim_set_vq_address(struct vdpa_device *vdpa, u16 idx, 324 u64 desc_area, u64 driver_area, 325 u64 device_area) 326 { 327 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 328 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 329 330 vq->desc_addr = desc_area; 331 vq->driver_addr = driver_area; 332 vq->device_addr = device_area; 333 334 return 0; 335 } 336 337 static void vdpasim_set_vq_num(struct vdpa_device *vdpa, u16 idx, u32 num) 338 { 339 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 340 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 341 342 vq->num = num; 343 } 344 345 static void vdpasim_kick_vq(struct vdpa_device *vdpa, u16 idx) 346 { 347 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 348 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 349 350 if (vq->ready) 351 schedule_work(&vdpasim->work); 352 } 353 354 static void vdpasim_set_vq_cb(struct vdpa_device *vdpa, u16 idx, 355 struct vdpa_callback *cb) 356 { 357 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 358 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 359 360 vq->cb = cb->callback; 361 vq->private = cb->private; 362 } 363 364 static void vdpasim_set_vq_ready(struct vdpa_device *vdpa, u16 idx, bool ready) 365 { 366 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 367 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 368 bool old_ready; 369 370 spin_lock(&vdpasim->lock); 371 old_ready = vq->ready; 372 vq->ready = ready; 373 if (vq->ready && !old_ready) { 374 vdpasim_queue_ready(vdpasim, idx); 375 } 376 spin_unlock(&vdpasim->lock); 377 } 378 379 static bool vdpasim_get_vq_ready(struct vdpa_device *vdpa, u16 idx) 380 { 381 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 382 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 383 384 return vq->ready; 385 } 386 387 static int vdpasim_set_vq_state(struct vdpa_device *vdpa, u16 idx, 388 const struct vdpa_vq_state *state) 389 { 390 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 391 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 392 struct vringh *vrh = &vq->vring; 393 394 spin_lock(&vdpasim->lock); 395 vrh->last_avail_idx = state->split.avail_index; 396 spin_unlock(&vdpasim->lock); 397 398 return 0; 399 } 400 401 static int vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx, 402 struct vdpa_vq_state *state) 403 { 404 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 405 struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx]; 406 struct vringh *vrh = &vq->vring; 407 408 state->split.avail_index = vrh->last_avail_idx; 409 return 0; 410 } 411 412 static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa) 413 { 414 return VDPASIM_QUEUE_ALIGN; 415 } 416 417 static u32 vdpasim_get_vq_group(struct vdpa_device *vdpa, u16 idx) 418 { 419 /* RX and TX belongs to group 0, CVQ belongs to group 1 */ 420 if (idx == 2) 421 return 1; 422 else 423 return 0; 424 } 425 426 static u64 vdpasim_get_device_features(struct vdpa_device *vdpa) 427 { 428 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 429 430 return vdpasim->dev_attr.supported_features; 431 } 432 433 static int vdpasim_set_driver_features(struct vdpa_device *vdpa, u64 features) 434 { 435 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 436 437 /* DMA mapping must be done by driver */ 438 if (!(features & (1ULL << VIRTIO_F_ACCESS_PLATFORM))) 439 return -EINVAL; 440 441 vdpasim->features = features & vdpasim->dev_attr.supported_features; 442 443 return 0; 444 } 445 446 static u64 vdpasim_get_driver_features(struct vdpa_device *vdpa) 447 { 448 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 449 450 return vdpasim->features; 451 } 452 453 static void vdpasim_set_config_cb(struct vdpa_device *vdpa, 454 struct vdpa_callback *cb) 455 { 456 /* We don't support config interrupt */ 457 } 458 459 static u16 vdpasim_get_vq_num_max(struct vdpa_device *vdpa) 460 { 461 return VDPASIM_QUEUE_MAX; 462 } 463 464 static u32 vdpasim_get_device_id(struct vdpa_device *vdpa) 465 { 466 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 467 468 return vdpasim->dev_attr.id; 469 } 470 471 static u32 vdpasim_get_vendor_id(struct vdpa_device *vdpa) 472 { 473 return VDPASIM_VENDOR_ID; 474 } 475 476 static u8 vdpasim_get_status(struct vdpa_device *vdpa) 477 { 478 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 479 u8 status; 480 481 spin_lock(&vdpasim->lock); 482 status = vdpasim->status; 483 spin_unlock(&vdpasim->lock); 484 485 return status; 486 } 487 488 static void vdpasim_set_status(struct vdpa_device *vdpa, u8 status) 489 { 490 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 491 492 spin_lock(&vdpasim->lock); 493 vdpasim->status = status; 494 spin_unlock(&vdpasim->lock); 495 } 496 497 static int vdpasim_reset(struct vdpa_device *vdpa) 498 { 499 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 500 501 spin_lock(&vdpasim->lock); 502 vdpasim->status = 0; 503 vdpasim_do_reset(vdpasim); 504 spin_unlock(&vdpasim->lock); 505 506 return 0; 507 } 508 509 static int vdpasim_suspend(struct vdpa_device *vdpa) 510 { 511 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 512 513 spin_lock(&vdpasim->lock); 514 vdpasim->running = false; 515 spin_unlock(&vdpasim->lock); 516 517 return 0; 518 } 519 520 static size_t vdpasim_get_config_size(struct vdpa_device *vdpa) 521 { 522 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 523 524 return vdpasim->dev_attr.config_size; 525 } 526 527 static void vdpasim_get_config(struct vdpa_device *vdpa, unsigned int offset, 528 void *buf, unsigned int len) 529 { 530 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 531 532 if (offset + len > vdpasim->dev_attr.config_size) 533 return; 534 535 if (vdpasim->dev_attr.get_config) 536 vdpasim->dev_attr.get_config(vdpasim, vdpasim->config); 537 538 memcpy(buf, vdpasim->config + offset, len); 539 } 540 541 static void vdpasim_set_config(struct vdpa_device *vdpa, unsigned int offset, 542 const void *buf, unsigned int len) 543 { 544 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 545 546 if (offset + len > vdpasim->dev_attr.config_size) 547 return; 548 549 memcpy(vdpasim->config + offset, buf, len); 550 551 if (vdpasim->dev_attr.set_config) 552 vdpasim->dev_attr.set_config(vdpasim, vdpasim->config); 553 } 554 555 static u32 vdpasim_get_generation(struct vdpa_device *vdpa) 556 { 557 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 558 559 return vdpasim->generation; 560 } 561 562 static struct vdpa_iova_range vdpasim_get_iova_range(struct vdpa_device *vdpa) 563 { 564 struct vdpa_iova_range range = { 565 .first = 0ULL, 566 .last = ULLONG_MAX, 567 }; 568 569 return range; 570 } 571 572 static int vdpasim_set_group_asid(struct vdpa_device *vdpa, unsigned int group, 573 unsigned int asid) 574 { 575 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 576 struct vhost_iotlb *iommu; 577 int i; 578 579 if (group > vdpasim->dev_attr.ngroups) 580 return -EINVAL; 581 582 if (asid >= vdpasim->dev_attr.nas) 583 return -EINVAL; 584 585 iommu = &vdpasim->iommu[asid]; 586 587 spin_lock(&vdpasim->lock); 588 589 for (i = 0; i < vdpasim->dev_attr.nvqs; i++) 590 if (vdpasim_get_vq_group(vdpa, i) == group) 591 vringh_set_iotlb(&vdpasim->vqs[i].vring, iommu, 592 &vdpasim->iommu_lock); 593 594 spin_unlock(&vdpasim->lock); 595 596 return 0; 597 } 598 599 static int vdpasim_set_map(struct vdpa_device *vdpa, unsigned int asid, 600 struct vhost_iotlb *iotlb) 601 { 602 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 603 struct vhost_iotlb_map *map; 604 struct vhost_iotlb *iommu; 605 u64 start = 0ULL, last = 0ULL - 1; 606 int ret; 607 608 if (asid >= vdpasim->dev_attr.nas) 609 return -EINVAL; 610 611 spin_lock(&vdpasim->iommu_lock); 612 613 iommu = &vdpasim->iommu[asid]; 614 vhost_iotlb_reset(iommu); 615 616 for (map = vhost_iotlb_itree_first(iotlb, start, last); map; 617 map = vhost_iotlb_itree_next(map, start, last)) { 618 ret = vhost_iotlb_add_range(iommu, map->start, 619 map->last, map->addr, map->perm); 620 if (ret) 621 goto err; 622 } 623 spin_unlock(&vdpasim->iommu_lock); 624 return 0; 625 626 err: 627 vhost_iotlb_reset(iommu); 628 spin_unlock(&vdpasim->iommu_lock); 629 return ret; 630 } 631 632 static int vdpasim_dma_map(struct vdpa_device *vdpa, unsigned int asid, 633 u64 iova, u64 size, 634 u64 pa, u32 perm, void *opaque) 635 { 636 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 637 int ret; 638 639 if (asid >= vdpasim->dev_attr.nas) 640 return -EINVAL; 641 642 spin_lock(&vdpasim->iommu_lock); 643 ret = vhost_iotlb_add_range_ctx(&vdpasim->iommu[asid], iova, 644 iova + size - 1, pa, perm, opaque); 645 spin_unlock(&vdpasim->iommu_lock); 646 647 return ret; 648 } 649 650 static int vdpasim_dma_unmap(struct vdpa_device *vdpa, unsigned int asid, 651 u64 iova, u64 size) 652 { 653 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 654 655 if (asid >= vdpasim->dev_attr.nas) 656 return -EINVAL; 657 658 spin_lock(&vdpasim->iommu_lock); 659 vhost_iotlb_del_range(&vdpasim->iommu[asid], iova, iova + size - 1); 660 spin_unlock(&vdpasim->iommu_lock); 661 662 return 0; 663 } 664 665 static void vdpasim_free(struct vdpa_device *vdpa) 666 { 667 struct vdpasim *vdpasim = vdpa_to_sim(vdpa); 668 int i; 669 670 cancel_work_sync(&vdpasim->work); 671 672 for (i = 0; i < vdpasim->dev_attr.nvqs; i++) { 673 vringh_kiov_cleanup(&vdpasim->vqs[i].out_iov); 674 vringh_kiov_cleanup(&vdpasim->vqs[i].in_iov); 675 } 676 677 if (vdpa_get_dma_dev(vdpa)) { 678 put_iova_domain(&vdpasim->iova); 679 iova_cache_put(); 680 } 681 682 kvfree(vdpasim->buffer); 683 vhost_iotlb_free(vdpasim->iommu); 684 kfree(vdpasim->vqs); 685 kfree(vdpasim->config); 686 } 687 688 static const struct vdpa_config_ops vdpasim_config_ops = { 689 .set_vq_address = vdpasim_set_vq_address, 690 .set_vq_num = vdpasim_set_vq_num, 691 .kick_vq = vdpasim_kick_vq, 692 .set_vq_cb = vdpasim_set_vq_cb, 693 .set_vq_ready = vdpasim_set_vq_ready, 694 .get_vq_ready = vdpasim_get_vq_ready, 695 .set_vq_state = vdpasim_set_vq_state, 696 .get_vq_state = vdpasim_get_vq_state, 697 .get_vq_align = vdpasim_get_vq_align, 698 .get_vq_group = vdpasim_get_vq_group, 699 .get_device_features = vdpasim_get_device_features, 700 .set_driver_features = vdpasim_set_driver_features, 701 .get_driver_features = vdpasim_get_driver_features, 702 .set_config_cb = vdpasim_set_config_cb, 703 .get_vq_num_max = vdpasim_get_vq_num_max, 704 .get_device_id = vdpasim_get_device_id, 705 .get_vendor_id = vdpasim_get_vendor_id, 706 .get_status = vdpasim_get_status, 707 .set_status = vdpasim_set_status, 708 .reset = vdpasim_reset, 709 .suspend = vdpasim_suspend, 710 .get_config_size = vdpasim_get_config_size, 711 .get_config = vdpasim_get_config, 712 .set_config = vdpasim_set_config, 713 .get_generation = vdpasim_get_generation, 714 .get_iova_range = vdpasim_get_iova_range, 715 .set_group_asid = vdpasim_set_group_asid, 716 .dma_map = vdpasim_dma_map, 717 .dma_unmap = vdpasim_dma_unmap, 718 .free = vdpasim_free, 719 }; 720 721 static const struct vdpa_config_ops vdpasim_batch_config_ops = { 722 .set_vq_address = vdpasim_set_vq_address, 723 .set_vq_num = vdpasim_set_vq_num, 724 .kick_vq = vdpasim_kick_vq, 725 .set_vq_cb = vdpasim_set_vq_cb, 726 .set_vq_ready = vdpasim_set_vq_ready, 727 .get_vq_ready = vdpasim_get_vq_ready, 728 .set_vq_state = vdpasim_set_vq_state, 729 .get_vq_state = vdpasim_get_vq_state, 730 .get_vq_align = vdpasim_get_vq_align, 731 .get_vq_group = vdpasim_get_vq_group, 732 .get_device_features = vdpasim_get_device_features, 733 .set_driver_features = vdpasim_set_driver_features, 734 .get_driver_features = vdpasim_get_driver_features, 735 .set_config_cb = vdpasim_set_config_cb, 736 .get_vq_num_max = vdpasim_get_vq_num_max, 737 .get_device_id = vdpasim_get_device_id, 738 .get_vendor_id = vdpasim_get_vendor_id, 739 .get_status = vdpasim_get_status, 740 .set_status = vdpasim_set_status, 741 .reset = vdpasim_reset, 742 .suspend = vdpasim_suspend, 743 .get_config_size = vdpasim_get_config_size, 744 .get_config = vdpasim_get_config, 745 .set_config = vdpasim_set_config, 746 .get_generation = vdpasim_get_generation, 747 .get_iova_range = vdpasim_get_iova_range, 748 .set_group_asid = vdpasim_set_group_asid, 749 .set_map = vdpasim_set_map, 750 .free = vdpasim_free, 751 }; 752 753 MODULE_VERSION(DRV_VERSION); 754 MODULE_LICENSE(DRV_LICENSE); 755 MODULE_AUTHOR(DRV_AUTHOR); 756 MODULE_DESCRIPTION(DRV_DESC); 757