mirror of https://github.com/F-Stack/f-stack.git
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2017 Red Hat, Inc.
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*/
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#ifndef _VHOST_IOTLB_H_
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#define _VHOST_IOTLB_H_
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#include <stdbool.h>
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#include "vhost.h"
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static __rte_always_inline void
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vhost_user_iotlb_rd_lock(struct vhost_virtqueue *vq)
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__rte_shared_lock_function(&vq->iotlb_lock)
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{
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rte_rwlock_read_lock(&vq->iotlb_lock);
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}
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static __rte_always_inline void
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vhost_user_iotlb_rd_unlock(struct vhost_virtqueue *vq)
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__rte_unlock_function(&vq->iotlb_lock)
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{
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rte_rwlock_read_unlock(&vq->iotlb_lock);
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}
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static __rte_always_inline void
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vhost_user_iotlb_wr_lock(struct vhost_virtqueue *vq)
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__rte_exclusive_lock_function(&vq->iotlb_lock)
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{
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rte_rwlock_write_lock(&vq->iotlb_lock);
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}
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static __rte_always_inline void
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vhost_user_iotlb_wr_unlock(struct vhost_virtqueue *vq)
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__rte_unlock_function(&vq->iotlb_lock)
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{
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rte_rwlock_write_unlock(&vq->iotlb_lock);
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}
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static __rte_always_inline void
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vhost_user_iotlb_wr_lock_all(struct virtio_net *dev)
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__rte_no_thread_safety_analysis
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{
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uint32_t i;
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for (i = 0; i < dev->nr_vring; i++)
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rte_rwlock_write_lock(&dev->virtqueue[i]->iotlb_lock);
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}
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static __rte_always_inline void
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vhost_user_iotlb_wr_unlock_all(struct virtio_net *dev)
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__rte_no_thread_safety_analysis
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{
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uint32_t i;
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for (i = 0; i < dev->nr_vring; i++)
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rte_rwlock_write_unlock(&dev->virtqueue[i]->iotlb_lock);
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}
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void vhost_user_iotlb_cache_insert(struct virtio_net *dev, uint64_t iova, uint64_t uaddr,
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uint64_t uoffset, uint64_t size, uint64_t page_size, uint8_t perm);
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void vhost_user_iotlb_cache_remove(struct virtio_net *dev, uint64_t iova, uint64_t size);
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uint64_t vhost_user_iotlb_cache_find(struct virtio_net *dev, uint64_t iova,
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uint64_t *size, uint8_t perm);
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bool vhost_user_iotlb_pending_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm);
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void vhost_user_iotlb_pending_insert(struct virtio_net *dev, uint64_t iova, uint8_t perm);
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void vhost_user_iotlb_pending_remove(struct virtio_net *dev, uint64_t iova,
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uint64_t size, uint8_t perm);
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void vhost_user_iotlb_flush_all(struct virtio_net *dev);
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int vhost_user_iotlb_init(struct virtio_net *dev);
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void vhost_user_iotlb_destroy(struct virtio_net *dev);
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#endif /* _VHOST_IOTLB_H_ */
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