702 lines
18 KiB
C
702 lines
18 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* VDPA device simulator core.
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*
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* Copyright (c) 2020, Red Hat Inc. All rights reserved.
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* Author: Jason Wang <jasowang@redhat.com>
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*
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*/
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/kernel.h>
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#include <linux/slab.h>
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#include <linux/sched.h>
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#include <linux/dma-map-ops.h>
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#include <linux/vringh.h>
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#include <linux/vdpa.h>
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#include <linux/vhost_iotlb.h>
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#include <uapi/linux/vdpa.h>
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#include "vdpa_sim.h"
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#define DRV_VERSION "0.1"
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#define DRV_AUTHOR "Jason Wang <jasowang@redhat.com>"
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#define DRV_DESC "vDPA Device Simulator core"
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#define DRV_LICENSE "GPL v2"
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static int batch_mapping = 1;
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module_param(batch_mapping, int, 0444);
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MODULE_PARM_DESC(batch_mapping, "Batched mapping 1 -Enable; 0 - Disable");
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static int max_iotlb_entries = 2048;
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module_param(max_iotlb_entries, int, 0444);
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MODULE_PARM_DESC(max_iotlb_entries,
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"Maximum number of iotlb entries for each address space. 0 means unlimited. (default: 2048)");
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#define VDPASIM_QUEUE_ALIGN PAGE_SIZE
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#define VDPASIM_QUEUE_MAX 256
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#define VDPASIM_VENDOR_ID 0
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static struct vdpasim *vdpa_to_sim(struct vdpa_device *vdpa)
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{
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return container_of(vdpa, struct vdpasim, vdpa);
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}
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static void vdpasim_vq_notify(struct vringh *vring)
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{
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struct vdpasim_virtqueue *vq =
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container_of(vring, struct vdpasim_virtqueue, vring);
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if (!vq->cb)
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return;
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vq->cb(vq->private);
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}
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static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx)
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{
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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uint16_t last_avail_idx = vq->vring.last_avail_idx;
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vringh_init_iotlb(&vq->vring, vdpasim->features, vq->num, true,
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(struct vring_desc *)(uintptr_t)vq->desc_addr,
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(struct vring_avail *)
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(uintptr_t)vq->driver_addr,
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(struct vring_used *)
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(uintptr_t)vq->device_addr);
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vq->vring.last_avail_idx = last_avail_idx;
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/*
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* Since vdpa_sim does not support receive inflight descriptors as a
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* destination of a migration, let's set both avail_idx and used_idx
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* the same at vq start. This is how vhost-user works in a
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* VHOST_SET_VRING_BASE call.
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*
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* Although the simple fix is to set last_used_idx at
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* vdpasim_set_vq_state, it would be reset at vdpasim_queue_ready.
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*/
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vq->vring.last_used_idx = last_avail_idx;
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vq->vring.notify = vdpasim_vq_notify;
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}
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static void vdpasim_vq_reset(struct vdpasim *vdpasim,
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struct vdpasim_virtqueue *vq)
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{
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vq->ready = false;
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vq->desc_addr = 0;
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vq->driver_addr = 0;
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vq->device_addr = 0;
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vq->cb = NULL;
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vq->private = NULL;
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vringh_init_iotlb(&vq->vring, vdpasim->dev_attr.supported_features,
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VDPASIM_QUEUE_MAX, false, NULL, NULL, NULL);
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vq->vring.notify = NULL;
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}
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static void vdpasim_do_reset(struct vdpasim *vdpasim)
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{
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int i;
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spin_lock(&vdpasim->iommu_lock);
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for (i = 0; i < vdpasim->dev_attr.nvqs; i++) {
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vdpasim_vq_reset(vdpasim, &vdpasim->vqs[i]);
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vringh_set_iotlb(&vdpasim->vqs[i].vring, &vdpasim->iommu[0],
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&vdpasim->iommu_lock);
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}
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for (i = 0; i < vdpasim->dev_attr.nas; i++) {
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vhost_iotlb_reset(&vdpasim->iommu[i]);
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vhost_iotlb_add_range(&vdpasim->iommu[i], 0, ULONG_MAX,
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0, VHOST_MAP_RW);
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vdpasim->iommu_pt[i] = true;
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}
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vdpasim->running = true;
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spin_unlock(&vdpasim->iommu_lock);
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vdpasim->features = 0;
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vdpasim->status = 0;
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++vdpasim->generation;
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}
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static const struct vdpa_config_ops vdpasim_config_ops;
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static const struct vdpa_config_ops vdpasim_batch_config_ops;
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struct vdpasim *vdpasim_create(struct vdpasim_dev_attr *dev_attr,
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const struct vdpa_dev_set_config *config)
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{
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const struct vdpa_config_ops *ops;
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struct vdpa_device *vdpa;
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struct vdpasim *vdpasim;
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struct device *dev;
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int i, ret = -ENOMEM;
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if (!dev_attr->alloc_size)
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return ERR_PTR(-EINVAL);
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if (config->mask & BIT_ULL(VDPA_ATTR_DEV_FEATURES)) {
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if (config->device_features &
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~dev_attr->supported_features)
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return ERR_PTR(-EINVAL);
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dev_attr->supported_features =
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config->device_features;
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}
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if (batch_mapping)
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ops = &vdpasim_batch_config_ops;
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else
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ops = &vdpasim_config_ops;
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vdpa = __vdpa_alloc_device(NULL, ops,
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dev_attr->ngroups, dev_attr->nas,
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dev_attr->alloc_size,
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dev_attr->name, false);
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if (IS_ERR(vdpa)) {
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ret = PTR_ERR(vdpa);
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goto err_alloc;
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}
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vdpasim = vdpa_to_sim(vdpa);
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vdpasim->dev_attr = *dev_attr;
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INIT_WORK(&vdpasim->work, dev_attr->work_fn);
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spin_lock_init(&vdpasim->lock);
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spin_lock_init(&vdpasim->iommu_lock);
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dev = &vdpasim->vdpa.dev;
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dev->dma_mask = &dev->coherent_dma_mask;
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if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)))
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goto err_iommu;
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vdpasim->vdpa.mdev = dev_attr->mgmt_dev;
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vdpasim->config = kzalloc(dev_attr->config_size, GFP_KERNEL);
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if (!vdpasim->config)
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goto err_iommu;
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vdpasim->vqs = kcalloc(dev_attr->nvqs, sizeof(struct vdpasim_virtqueue),
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GFP_KERNEL);
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if (!vdpasim->vqs)
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goto err_iommu;
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vdpasim->iommu = kmalloc_array(vdpasim->dev_attr.nas,
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sizeof(*vdpasim->iommu), GFP_KERNEL);
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if (!vdpasim->iommu)
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goto err_iommu;
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vdpasim->iommu_pt = kmalloc_array(vdpasim->dev_attr.nas,
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sizeof(*vdpasim->iommu_pt), GFP_KERNEL);
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if (!vdpasim->iommu_pt)
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goto err_iommu;
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for (i = 0; i < vdpasim->dev_attr.nas; i++)
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vhost_iotlb_init(&vdpasim->iommu[i], max_iotlb_entries, 0);
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vdpasim->buffer = kvmalloc(dev_attr->buffer_size, GFP_KERNEL);
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if (!vdpasim->buffer)
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goto err_iommu;
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for (i = 0; i < dev_attr->nvqs; i++)
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vringh_set_iotlb(&vdpasim->vqs[i].vring, &vdpasim->iommu[0],
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&vdpasim->iommu_lock);
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vdpasim->vdpa.dma_dev = dev;
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return vdpasim;
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err_iommu:
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put_device(dev);
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err_alloc:
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return ERR_PTR(ret);
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}
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EXPORT_SYMBOL_GPL(vdpasim_create);
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static int vdpasim_set_vq_address(struct vdpa_device *vdpa, u16 idx,
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u64 desc_area, u64 driver_area,
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u64 device_area)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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vq->desc_addr = desc_area;
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vq->driver_addr = driver_area;
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vq->device_addr = device_area;
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return 0;
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}
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static void vdpasim_set_vq_num(struct vdpa_device *vdpa, u16 idx, u32 num)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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vq->num = num;
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}
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static void vdpasim_kick_vq(struct vdpa_device *vdpa, u16 idx)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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if (!vdpasim->running &&
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(vdpasim->status & VIRTIO_CONFIG_S_DRIVER_OK)) {
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vdpasim->pending_kick = true;
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return;
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}
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if (vq->ready)
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schedule_work(&vdpasim->work);
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}
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static void vdpasim_set_vq_cb(struct vdpa_device *vdpa, u16 idx,
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struct vdpa_callback *cb)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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vq->cb = cb->callback;
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vq->private = cb->private;
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}
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static void vdpasim_set_vq_ready(struct vdpa_device *vdpa, u16 idx, bool ready)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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bool old_ready;
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spin_lock(&vdpasim->lock);
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old_ready = vq->ready;
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vq->ready = ready;
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if (vq->ready && !old_ready) {
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vdpasim_queue_ready(vdpasim, idx);
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}
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spin_unlock(&vdpasim->lock);
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}
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static bool vdpasim_get_vq_ready(struct vdpa_device *vdpa, u16 idx)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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return vq->ready;
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}
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static int vdpasim_set_vq_state(struct vdpa_device *vdpa, u16 idx,
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const struct vdpa_vq_state *state)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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struct vringh *vrh = &vq->vring;
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spin_lock(&vdpasim->lock);
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vrh->last_avail_idx = state->split.avail_index;
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spin_unlock(&vdpasim->lock);
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return 0;
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}
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static int vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx,
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struct vdpa_vq_state *state)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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struct vdpasim_virtqueue *vq = &vdpasim->vqs[idx];
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struct vringh *vrh = &vq->vring;
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state->split.avail_index = vrh->last_avail_idx;
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return 0;
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}
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static int vdpasim_get_vq_stats(struct vdpa_device *vdpa, u16 idx,
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struct sk_buff *msg,
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struct netlink_ext_ack *extack)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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if (vdpasim->dev_attr.get_stats)
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return vdpasim->dev_attr.get_stats(vdpasim, idx,
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msg, extack);
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return -EOPNOTSUPP;
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}
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static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa)
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{
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return VDPASIM_QUEUE_ALIGN;
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}
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static u32 vdpasim_get_vq_group(struct vdpa_device *vdpa, u16 idx)
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{
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/* RX and TX belongs to group 0, CVQ belongs to group 1 */
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if (idx == 2)
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return 1;
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else
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return 0;
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}
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static u64 vdpasim_get_device_features(struct vdpa_device *vdpa)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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return vdpasim->dev_attr.supported_features;
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}
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static int vdpasim_set_driver_features(struct vdpa_device *vdpa, u64 features)
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{
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struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
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/* 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 int vdpasim_resume(struct vdpa_device *vdpa)
|
||
|
|
{
|
||
|
|
struct vdpasim *vdpasim = vdpa_to_sim(vdpa);
|
||
|
|
int i;
|
||
|
|
|
||
|
|
spin_lock(&vdpasim->lock);
|
||
|
|
vdpasim->running = true;
|
||
|
|
|
||
|
|
if (vdpasim->pending_kick) {
|
||
|
|
/* Process pending descriptors */
|
||
|
|
for (i = 0; i < vdpasim->dev_attr.nvqs; ++i)
|
||
|
|
vdpasim_kick_vq(vdpa, i);
|
||
|
|
|
||
|
|
vdpasim->pending_kick = 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);
|
||
|
|
vdpasim->iommu_pt[asid] = false;
|
||
|
|
|
||
|
|
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);
|
||
|
|
if (vdpasim->iommu_pt[asid]) {
|
||
|
|
vhost_iotlb_reset(&vdpasim->iommu[asid]);
|
||
|
|
vdpasim->iommu_pt[asid] = false;
|
||
|
|
}
|
||
|
|
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;
|
||
|
|
|
||
|
|
if (vdpasim->iommu_pt[asid]) {
|
||
|
|
vhost_iotlb_reset(&vdpasim->iommu[asid]);
|
||
|
|
vdpasim->iommu_pt[asid] = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
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);
|
||
|
|
}
|
||
|
|
|
||
|
|
kvfree(vdpasim->buffer);
|
||
|
|
for (i = 0; i < vdpasim->dev_attr.nas; i++)
|
||
|
|
vhost_iotlb_reset(&vdpasim->iommu[i]);
|
||
|
|
kfree(vdpasim->iommu);
|
||
|
|
kfree(vdpasim->iommu_pt);
|
||
|
|
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_vendor_vq_stats = vdpasim_get_vq_stats,
|
||
|
|
.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,
|
||
|
|
.resume = vdpasim_resume,
|
||
|
|
.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_vendor_vq_stats = vdpasim_get_vq_stats,
|
||
|
|
.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,
|
||
|
|
.resume = vdpasim_resume,
|
||
|
|
.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);
|