OSCL-LXR linux-6.0.1/​drivers/​vdpa/​vdpa_sim/​vdpa_sim.c	Source navigation Diff markup Identifier search General search
	Version: linux-6.0.1 spark-3.0.0 hadoop-3.2.0-src hadoop-3.3.0-src spark-2.4.7 linux-4.15.13 hadoop-2.7.4-src Revert   Change

 // SPDX-License-Identifier: GPL-2.0-only
 /*
  * VDPA device simulator core.
  *
  * Copyright (c) 2020, Red Hat Inc. All rights reserved.
  *     Author: Jason Wang <jasowang@redhat.com>
  *
  */
 
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
 #include <linux/dma-map-ops.h>
 #include <linux/vringh.h>
 #include <linux/vdpa.h>
 #include <linux/vhost_iotlb.h>
 #include <linux/iova.h>
 
 #include "vdpa_sim.h"
 
 #define DRV_VERSION  "0.1"
 #define DRV_AUTHOR   "Jason Wang <jasowang@redhat.com>"
 #define DRV_DESC     "vDPA Device Simulator core"
 #define DRV_LICENSE  "GPL v2"
 
 static int batch_mapping = 1;
 module_param(batch_mapping, int, 0444);
 MODULE_PARM_DESC(batch_mapping, "Batched mapping 1 -Enable; 0 - Disable");
 
 static int max_iotlb_entries = 2048;
 module_param(max_iotlb_entries, int, 0444);
 MODULE_PARM_DESC(max_iotlb_entries,
          "Maximum number of iotlb entries for each address space. 0 means unlimited. (default: 2048)");
 
 #define VDPASIM_QUEUE_ALIGN PAGE_SIZE
 #define VDPASIM_QUEUE_MAX 256
 #define VDPASIM_VENDOR_ID 0
 
 static struct vdpasim *vdpa_to_sim(struct vdpa_device *vdpa)
 {
     return container_of(vdpa, struct vdpasim, vdpa);
 }
 
 static struct vdpasim *dev_to_sim(struct device *dev)
 {
     struct vdpa_device *vdpa = dev_to_vdpa(dev);
 
     return vdpa_to_sim(vdpa);
 }
 
 static void vdpasim_vq_notify(struct vringh *vring)
 {
     struct vdpasim_virtqueue *vq =
         container_of(vring, struct vdpasim_virtqueue, vring);
 
     if (!vq->cb)
         return;
 
     vq->cb(vq->private);
 }
 
 static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx)
 {
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
 
     vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features,
               VDPASIM_QUEUE_MAX, false,
               (struct vring_desc *)(uintptr_t)vq->desc_addr,
               (struct vring_avail *)
               (uintptr_t)vq->driver_addr,
               (struct vring_used *)
               (uintptr_t)vq->device_addr);
 
     vq->vring.notify = vdpasim_vq_notify;
 }
 
 static void vdpasim_vq_reset(struct vdpasim *vdpasim,
                  struct vdpasim_virtqueue *vq)
 {
     vq->ready = false;
     vq->desc_addr = 0;
     vq->driver_addr = 0;
     vq->device_addr = 0;
     vq->cb = NULL;
     vq->private = NULL;
     vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features,
               VDPASIM_QUEUE_MAX, false, NULL, NULL, NULL);
 
     vq->vring.notify = NULL;
 }
 
 static void vdpasim_do_reset(struct vdpasim *vdpasim)
 {
     int i;
 
     spin_lock(&vdpasim->iommu_lock);
 
     for (i = 0; i < vdpasim->dev_attr.nvqs; i++) {
         vdpasim_vq_reset(vdpasim, &vdpasim->vqs[i]);
         vringh_set_iotlb(&vdpasim->vqs[i].vring, &vdpasim->iommu[0],
                  &vdpasim->iommu_lock);
     }
 
     for (i = 0; i < vdpasim->dev_attr.nas; i++)
         vhost_iotlb_reset(&vdpasim->iommu[i]);
 
     vdpasim->running = true;
     spin_unlock(&vdpasim->iommu_lock);
 
     vdpasim->features = 0;
     vdpasim->status = 0;
     ++vdpasim->generation;
 }
 
 static int dir_to_perm(enum dma_data_direction dir)
 {
     int perm = -EFAULT;
 
     switch (dir) {
     case DMA_FROM_DEVICE:
         perm = VHOST_MAP_WO;
         break;
     case DMA_TO_DEVICE:
         perm = VHOST_MAP_RO;
         break;
     case DMA_BIDIRECTIONAL:
         perm = VHOST_MAP_RW;
         break;
     default:
         break;
     }
 
     return perm;
 }
 
 static dma_addr_t vdpasim_map_range(struct vdpasim *vdpasim, phys_addr_t paddr,
                     size_t size, unsigned int perm)
 {
     struct iova *iova;
     dma_addr_t dma_addr;
     int ret;
 
     /* We set the limit_pfn to the maximum (ULONG_MAX - 1) */
     iova = alloc_iova(&vdpasim->iova, size >> iova_shift(&vdpasim->iova),
               ULONG_MAX - 1, true);
     if (!iova)
         return DMA_MAPPING_ERROR;
 
     dma_addr = iova_dma_addr(&vdpasim->iova, iova);
 
     spin_lock(&vdpasim->iommu_lock);
     ret = vhost_iotlb_add_range(&vdpasim->iommu[0], (u64)dma_addr,
                     (u64)dma_addr + size - 1, (u64)paddr, perm);
     spin_unlock(&vdpasim->iommu_lock);
 
     if (ret) {
         __free_iova(&vdpasim->iova, iova);
         return DMA_MAPPING_ERROR;
     }
 
     return dma_addr;
 }
 
 static void vdpasim_unmap_range(struct vdpasim *vdpasim, dma_addr_t dma_addr,
                 size_t size)
 {
     spin_lock(&vdpasim->iommu_lock);
     vhost_iotlb_del_range(&vdpasim->iommu[0], (u64)dma_addr,
                   (u64)dma_addr + size - 1);
     spin_unlock(&vdpasim->iommu_lock);
 
     free_iova(&vdpasim->iova, iova_pfn(&vdpasim->iova, dma_addr));
 }
 
 static dma_addr_t vdpasim_map_page(struct device *dev, struct page *page,
                    unsigned long offset, size_t size,
                    enum dma_data_direction dir,
                    unsigned long attrs)
 {
     struct vdpasim *vdpasim = dev_to_sim(dev);
     phys_addr_t paddr = page_to_phys(page) + offset;
     int perm = dir_to_perm(dir);
 
     if (perm < 0)
         return DMA_MAPPING_ERROR;
 
     return vdpasim_map_range(vdpasim, paddr, size, perm);
 }
 
 static void vdpasim_unmap_page(struct device *dev, dma_addr_t dma_addr,
                    size_t size, enum dma_data_direction dir,
                    unsigned long attrs)
 {
     struct vdpasim *vdpasim = dev_to_sim(dev);
 
     vdpasim_unmap_range(vdpasim, dma_addr, size);
 }
 
 static void *vdpasim_alloc_coherent(struct device *dev, size_t size,
                     dma_addr_t *dma_addr, gfp_t flag,
                     unsigned long attrs)
 {
     struct vdpasim *vdpasim = dev_to_sim(dev);
     phys_addr_t paddr;
     void *addr;
 
     addr = kmalloc(size, flag);
     if (!addr) {
         *dma_addr = DMA_MAPPING_ERROR;
         return NULL;
     }
 
     paddr = virt_to_phys(addr);
 
     *dma_addr = vdpasim_map_range(vdpasim, paddr, size, VHOST_MAP_RW);
     if (*dma_addr == DMA_MAPPING_ERROR) {
         kfree(addr);
         return NULL;
     }
 
     return addr;
 }
 
 static void vdpasim_free_coherent(struct device *dev, size_t size,
                   void *vaddr, dma_addr_t dma_addr,
                   unsigned long attrs)
 {
     struct vdpasim *vdpasim = dev_to_sim(dev);
 
     vdpasim_unmap_range(vdpasim, dma_addr, size);
 
     kfree(vaddr);
 }
 
 static const struct dma_map_ops vdpasim_dma_ops = {
     .map_page = vdpasim_map_page,
     .unmap_page = vdpasim_unmap_page,
     .alloc = vdpasim_alloc_coherent,
     .free = vdpasim_free_coherent,
 };
 
 static const struct vdpa_config_ops vdpasim_config_ops;
 static const struct vdpa_config_ops vdpasim_batch_config_ops;
 
 struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr)
 {
     const struct vdpa_config_ops *ops;
     struct vdpasim *vdpasim;
     struct device *dev;
     int i, ret = -ENOMEM;
 
     if (batch_mapping)
         ops = &vdpasim_batch_config_ops;
     else
         ops = &vdpasim_config_ops;
 
     vdpasim = vdpa_alloc_device(struct vdpasim, vdpa, NULL, ops,
                     dev_attr->ngroups, dev_attr->nas,
                     dev_attr->name, false);
     if (IS_ERR(vdpasim)) {
         ret = PTR_ERR(vdpasim);
         goto err_alloc;
     }
 
     vdpasim->dev_attr = *dev_attr;
     INIT_WORK(&vdpasim->work, dev_attr->work_fn);
     spin_lock_init(&vdpasim->lock);
     spin_lock_init(&vdpasim->iommu_lock);
 
     dev = &vdpasim->vdpa.dev;
     dev->dma_mask = &dev->coherent_dma_mask;
     if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)))
         goto err_iommu;
     set_dma_ops(dev, &vdpasim_dma_ops);
     vdpasim->vdpa.mdev = dev_attr->mgmt_dev;
 
     vdpasim->config = kzalloc(dev_attr->config_size, GFP_KERNEL);
     if (!vdpasim->config)
         goto err_iommu;
 
     vdpasim->vqs = kcalloc(dev_attr->nvqs, sizeof(struct vdpasim_virtqueue),
                    GFP_KERNEL);
     if (!vdpasim->vqs)
         goto err_iommu;
 
     vdpasim->iommu = kmalloc_array(vdpasim->dev_attr.nas,
                        sizeof(*vdpasim->iommu), GFP_KERNEL);
     if (!vdpasim->iommu)
         goto err_iommu;
 
     for (i = 0; i < vdpasim->dev_attr.nas; i++)
         vhost_iotlb_init(&vdpasim->iommu[i], max_iotlb_entries, 0);
 
     vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL);
     if (!vdpasim->buffer)
         goto err_iommu;
 
     for (i = 0; i < dev_attr->nvqs; i++)
         vringh_set_iotlb(&vdpasim->vqs[i].vring, &vdpasim->iommu[0],
                  &vdpasim->iommu_lock);
 
     ret = iova_cache_get();
     if (ret)
         goto err_iommu;
 
     /* For simplicity we use an IOVA allocator with byte granularity */
     init_iova_domain(&vdpasim->iova, 1, 0);
 
     vdpasim->vdpa.dma_dev = dev;
 
     return vdpasim;
 
 err_iommu:
     put_device(dev);
 err_alloc:
     return ERR_PTR(ret);
 }
 EXPORT_SYMBOL_GPL(vdpasim_create);
 
 static int vdpasim_set_vq_address(struct vdpa_device *vdpa, u16 idx,
                   u64 desc_area, u64 driver_area,
                   u64 device_area)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
 
     vq->desc_addr = desc_area;
     vq->driver_addr = driver_area;
     vq->device_addr = device_area;
 
     return 0;
 }
 
 static void vdpasim_set_vq_num(struct vdpa_device *vdpa, u16 idx, u32 num)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
 
     vq->num = num;
 }
 
 static void vdpasim_kick_vq(struct vdpa_device *vdpa, u16 idx)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
 
     if (vq->ready)
         schedule_work(&vdpasim->work);
 }
 
 static void vdpasim_set_vq_cb(struct vdpa_device *vdpa, u16 idx,
                   struct vdpa_callback *cb)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
 
     vq->cb = cb->callback;
     vq->private = cb->private;
 }
 
 static void vdpasim_set_vq_ready(struct vdpa_device *vdpa, u16 idx, bool ready)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
     bool old_ready;
 
     spin_lock(&vdpasim->lock);
     old_ready = vq->ready;
     vq->ready = ready;
     if (vq->ready && !old_ready) {
         vdpasim_queue_ready(vdpasim, idx);
     }
     spin_unlock(&vdpasim->lock);
 }
 
 static bool vdpasim_get_vq_ready(struct vdpa_device *vdpa, u16 idx)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
 
     return vq->ready;
 }
 
 static int vdpasim_set_vq_state(struct vdpa_device *vdpa, u16 idx,
                 const struct vdpa_vq_state *state)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
     struct vringh *vrh = &vq->vring;
 
     spin_lock(&vdpasim->lock);
     vrh->last_avail_idx = state->split.avail_index;
     spin_unlock(&vdpasim->lock);
 
     return 0;
 }
 
 static int vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx,
                 struct vdpa_vq_state *state)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
     struct vringh *vrh = &vq->vring;
 
     state->split.avail_index = vrh->last_avail_idx;
     return 0;
 }
 
 static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa)
 {
     return VDPASIM_QUEUE_ALIGN;
 }
 
 static u32 vdpasim_get_vq_group(struct vdpa_device *vdpa, u16 idx)
 {
     /* RX and TX belongs to group 0, CVQ belongs to group 1 */
     if (idx == 2)
         return 1;
     else
         return 0;
 }
 
 static u64 vdpasim_get_device_features(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     return vdpasim->dev_attr.supported_features;
 }
 
 static int vdpasim_set_driver_features(struct vdpa_device *vdpa, u64 features)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     /* DMA mapping must be done by driver */
     if (!(features & (1ULL << VIRTIO_F_ACCESS_PLATFORM)))
         return -EINVAL;
 
     vdpasim->features = features & vdpasim->dev_attr.supported_features;
 
     return 0;
 }
 
 static u64 vdpasim_get_driver_features(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     return vdpasim->features;
 }
 
 static void vdpasim_set_config_cb(struct vdpa_device *vdpa,
                   struct vdpa_callback *cb)
 {
     /* We don't support config interrupt */
 }
 
 static u16 vdpasim_get_vq_num_max(struct vdpa_device *vdpa)
 {
     return VDPASIM_QUEUE_MAX;
 }
 
 static u32 vdpasim_get_device_id(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     return vdpasim->dev_attr.id;
 }
 
 static u32 vdpasim_get_vendor_id(struct vdpa_device *vdpa)
 {
     return VDPASIM_VENDOR_ID;
 }
 
 static u8 vdpasim_get_status(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     u8 status;
 
     spin_lock(&vdpasim->lock);
     status = vdpasim->status;
     spin_unlock(&vdpasim->lock);
 
     return status;
 }
 
 static void vdpasim_set_status(struct vdpa_device *vdpa, u8 status)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     spin_lock(&vdpasim->lock);
     vdpasim->status = status;
     spin_unlock(&vdpasim->lock);
 }
 
 static int vdpasim_reset(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     spin_lock(&vdpasim->lock);
     vdpasim->status = 0;
     vdpasim_do_reset(vdpasim);
     spin_unlock(&vdpasim->lock);
 
     return 0;
 }
 
 static int vdpasim_suspend(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     spin_lock(&vdpasim->lock);
     vdpasim->running = false;
     spin_unlock(&vdpasim->lock);
 
     return 0;
 }
 
 static size_t vdpasim_get_config_size(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     return vdpasim->dev_attr.config_size;
 }
 
 static void vdpasim_get_config(struct vdpa_device *vdpa, unsigned int offset,
                  void *buf, unsigned int len)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     if (offset + len > vdpasim->dev_attr.config_size)
         return;
 
     if (vdpasim->dev_attr.get_config)
         vdpasim->dev_attr.get_config(vdpasim, vdpasim->config);
 
     memcpy(buf, vdpasim->config + offset, len);
 }
 
 static void vdpasim_set_config(struct vdpa_device *vdpa, unsigned int offset,
                  const void *buf, unsigned int len)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     if (offset + len > vdpasim->dev_attr.config_size)
         return;
 
     memcpy(vdpasim->config + offset, buf, len);
 
     if (vdpasim->dev_attr.set_config)
         vdpasim->dev_attr.set_config(vdpasim, vdpasim->config);
 }
 
 static u32 vdpasim_get_generation(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     return vdpasim->generation;
 }
 
 static struct vdpa_iova_range vdpasim_get_iova_range(struct vdpa_device *vdpa)
 {
     struct vdpa_iova_range range = {
         .first = 0ULL,
         .last = ULLONG_MAX,
     };
 
     return range;
 }
 
 static int vdpasim_set_group_asid(struct vdpa_device *vdpa, unsigned int group,
                   unsigned int asid)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vhost_iotlb *iommu;
     int i;
 
     if (group > vdpasim->dev_attr.ngroups)
         return -EINVAL;
 
     if (asid >= vdpasim->dev_attr.nas)
         return -EINVAL;
 
     iommu = &vdpasim->iommu[asid];
 
     spin_lock(&vdpasim->lock);
 
     for (i = 0; i < vdpasim->dev_attr.nvqs; i++)
         if (vdpasim_get_vq_group(vdpa, i) == group)
             vringh_set_iotlb(&vdpasim->vqs[i].vring, iommu,
                      &vdpasim->iommu_lock);
 
     spin_unlock(&vdpasim->lock);
 
     return 0;
 }
 
 static int vdpasim_set_map(struct vdpa_device *vdpa, unsigned int asid,
                struct vhost_iotlb *iotlb)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     struct vhost_iotlb_map *map;
     struct vhost_iotlb *iommu;
     u64 start = 0ULL, last = 0ULL - 1;
     int ret;
 
     if (asid >= vdpasim->dev_attr.nas)
         return -EINVAL;
 
     spin_lock(&vdpasim->iommu_lock);
 
     iommu = &vdpasim->iommu[asid];
     vhost_iotlb_reset(iommu);
 
     for (map = vhost_iotlb_itree_first(iotlb, start, last); map;
          map = vhost_iotlb_itree_next(map, start, last)) {
         ret = vhost_iotlb_add_range(iommu, map->start,
                         map->last, map->addr, map->perm);
         if (ret)
             goto err;
     }
     spin_unlock(&vdpasim->iommu_lock);
     return 0;
 
 err:
     vhost_iotlb_reset(iommu);
     spin_unlock(&vdpasim->iommu_lock);
     return ret;
 }
 
 static int vdpasim_dma_map(struct vdpa_device *vdpa, unsigned int asid,
                u64 iova, u64 size,
                u64 pa, u32 perm, void *opaque)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     int ret;
 
     if (asid >= vdpasim->dev_attr.nas)
         return -EINVAL;
 
     spin_lock(&vdpasim->iommu_lock);
     ret = vhost_iotlb_add_range_ctx(&vdpasim->iommu[asid], iova,
                     iova + size - 1, pa, perm, opaque);
     spin_unlock(&vdpasim->iommu_lock);
 
     return ret;
 }
 
 static int vdpasim_dma_unmap(struct vdpa_device *vdpa, unsigned int asid,
                  u64 iova, u64 size)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
 
     if (asid >= vdpasim->dev_attr.nas)
         return -EINVAL;
 
     spin_lock(&vdpasim->iommu_lock);
     vhost_iotlb_del_range(&vdpasim->iommu[asid], iova, iova + size - 1);
     spin_unlock(&vdpasim->iommu_lock);
 
     return 0;
 }
 
 static void vdpasim_free(struct vdpa_device *vdpa)
 {
     struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
     int i;
 
     cancel_work_sync(&vdpasim->work);
 
     for (i = 0; i < vdpasim->dev_attr.nvqs; i++) {
         vringh_kiov_cleanup(&vdpasim->vqs[i].out_iov);
         vringh_kiov_cleanup(&vdpasim->vqs[i].in_iov);
     }
 
     if (vdpa_get_dma_dev(vdpa)) {
         put_iova_domain(&vdpasim->iova);
         iova_cache_put();
     }
 
     kvfree(vdpasim->buffer);
     vhost_iotlb_free(vdpasim->iommu);
     kfree(vdpasim->vqs);
     kfree(vdpasim->config);
 }
 
 static const struct vdpa_config_ops vdpasim_config_ops = {
     .set_vq_address         = vdpasim_set_vq_address,
     .set_vq_num             = vdpasim_set_vq_num,
     .kick_vq                = vdpasim_kick_vq,
     .set_vq_cb              = vdpasim_set_vq_cb,
     .set_vq_ready           = vdpasim_set_vq_ready,
     .get_vq_ready           = vdpasim_get_vq_ready,
     .set_vq_state           = vdpasim_set_vq_state,
     .get_vq_state           = vdpasim_get_vq_state,
     .get_vq_align           = vdpasim_get_vq_align,
     .get_vq_group           = vdpasim_get_vq_group,
     .get_device_features    = vdpasim_get_device_features,
     .set_driver_features    = vdpasim_set_driver_features,
     .get_driver_features    = vdpasim_get_driver_features,
     .set_config_cb          = vdpasim_set_config_cb,
     .get_vq_num_max         = vdpasim_get_vq_num_max,
     .get_device_id          = vdpasim_get_device_id,
     .get_vendor_id          = vdpasim_get_vendor_id,
     .get_status             = vdpasim_get_status,
     .set_status             = vdpasim_set_status,
     .reset          = vdpasim_reset,
     .suspend        = vdpasim_suspend,
     .get_config_size        = vdpasim_get_config_size,
     .get_config             = vdpasim_get_config,
     .set_config             = vdpasim_set_config,
     .get_generation         = vdpasim_get_generation,
     .get_iova_range         = vdpasim_get_iova_range,
     .set_group_asid         = vdpasim_set_group_asid,
     .dma_map                = vdpasim_dma_map,
     .dma_unmap              = vdpasim_dma_unmap,
     .free                   = vdpasim_free,
 };
 
 static const struct vdpa_config_ops vdpasim_batch_config_ops = {
     .set_vq_address         = vdpasim_set_vq_address,
     .set_vq_num             = vdpasim_set_vq_num,
     .kick_vq                = vdpasim_kick_vq,
     .set_vq_cb              = vdpasim_set_vq_cb,
     .set_vq_ready           = vdpasim_set_vq_ready,
     .get_vq_ready           = vdpasim_get_vq_ready,
     .set_vq_state           = vdpasim_set_vq_state,
     .get_vq_state           = vdpasim_get_vq_state,
     .get_vq_align           = vdpasim_get_vq_align,
     .get_vq_group           = vdpasim_get_vq_group,
     .get_device_features    = vdpasim_get_device_features,
     .set_driver_features    = vdpasim_set_driver_features,
     .get_driver_features    = vdpasim_get_driver_features,
     .set_config_cb          = vdpasim_set_config_cb,
     .get_vq_num_max         = vdpasim_get_vq_num_max,
     .get_device_id          = vdpasim_get_device_id,
     .get_vendor_id          = vdpasim_get_vendor_id,
     .get_status             = vdpasim_get_status,
     .set_status             = vdpasim_set_status,
     .reset          = vdpasim_reset,
     .suspend        = vdpasim_suspend,
     .get_config_size        = vdpasim_get_config_size,
     .get_config             = vdpasim_get_config,
     .set_config             = vdpasim_set_config,
     .get_generation         = vdpasim_get_generation,
     .get_iova_range         = vdpasim_get_iova_range,
     .set_group_asid         = vdpasim_set_group_asid,
     .set_map                = vdpasim_set_map,
     .free                   = vdpasim_free,
 };
 
 MODULE_VERSION(DRV_VERSION);
 MODULE_LICENSE(DRV_LICENSE);
 MODULE_AUTHOR(DRV_AUTHOR);
 MODULE_DESCRIPTION(DRV_DESC);

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