这篇教程C++ vhost_net_flush函数代码示例写得很实用，希望能帮到您。
本文整理汇总了C++中vhost_net_flush函数的典型用法代码示例。如果您正苦于以下问题：C++ vhost_net_flush函数的具体用法？C++ vhost_net_flush怎么用？C++ vhost_net_flush使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。 在下文中一共展示了vhost_net_flush函数的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。 示例1: vhost_net_set_featuresstatic int vhost_net_set_features(struct vhost_net *n, u64 features){ size_t vhost_hlen, sock_hlen, hdr_len; int i; hdr_len = (features & (1 << VIRTIO_NET_F_MRG_RXBUF)) ? sizeof(struct virtio_net_hdr_mrg_rxbuf) : sizeof(struct virtio_net_hdr); if (features & (1 << VHOST_NET_F_VIRTIO_NET_HDR)) { /* vhost provides vnet_hdr */ vhost_hlen = hdr_len; sock_hlen = 0; } else { /* socket provides vnet_hdr */ vhost_hlen = 0; sock_hlen = hdr_len; } mutex_lock(&n->dev.mutex); if ((features & (1 << VHOST_F_LOG_ALL)) && !vhost_log_access_ok(&n->dev)) { mutex_unlock(&n->dev.mutex); return -EFAULT; } n->dev.acked_features = features; smp_wmb(); for (i = 0; i < VHOST_NET_VQ_MAX; ++i) { mutex_lock(&n->vqs[i].vq.mutex); n->vqs[i].vhost_hlen = vhost_hlen; n->vqs[i].sock_hlen = sock_hlen; mutex_unlock(&n->vqs[i].vq.mutex); } vhost_net_flush(n); mutex_unlock(&n->dev.mutex); return 0;}
开发者ID:Master-Traders，项目名称:linux，代码行数:35，
示例2: vhost_net_reset_ownerstatic long vhost_net_reset_owner(struct vhost_net *n){ struct socket *tx_sock = NULL; struct socket *rx_sock = NULL; long err; struct vhost_memory *memory; mutex_lock(&n->dev.mutex); err = vhost_dev_check_owner(&n->dev); if (err) goto done; memory = vhost_dev_reset_owner_prepare(); if (!memory) { err = -ENOMEM; goto done; } vhost_net_stop(n, &tx_sock, &rx_sock); vhost_net_flush(n); vhost_dev_reset_owner(&n->dev, memory); vhost_net_vq_reset(n);done: mutex_unlock(&n->dev.mutex); if (tx_sock) sockfd_put(tx_sock); if (rx_sock) sockfd_put(rx_sock); return err;}
开发者ID:383530895，项目名称:linux，代码行数:28，
示例3: vhost_net_ioctlstatic long vhost_net_ioctl(struct file *f, unsigned int ioctl, unsigned long arg){ struct vhost_net *n = f->private_data; void __user *argp = (void __user *)arg; u64 __user *featurep = argp; struct vhost_vring_file backend; u64 features; int r; switch (ioctl) { case VHOST_NET_SET_BACKEND: if (copy_from_user(&backend, argp, sizeof backend)) return -EFAULT; return vhost_net_set_backend(n, backend.index, backend.fd); case VHOST_GET_FEATURES: features = VHOST_FEATURES; if (copy_to_user(featurep, &features, sizeof features)) return -EFAULT; return 0; case VHOST_SET_FEATURES: if (copy_from_user(&features, featurep, sizeof features)) return -EFAULT; if (features & ~VHOST_FEATURES) return -EOPNOTSUPP; return vhost_net_set_features(n, features); case VHOST_RESET_OWNER: return vhost_net_reset_owner(n); default: mutex_lock(&n->dev.mutex); r = vhost_dev_ioctl(&n->dev, ioctl, arg); vhost_net_flush(n); mutex_unlock(&n->dev.mutex); return r; }}
开发者ID:daveti，项目名称:prov-kernel，代码行数:35，
示例4: vhost_net_releasestatic int vhost_net_release(struct inode *inode, struct file *f){ struct vhost_net *n = f->private_data; struct socket *tx_sock; struct socket *rx_sock; vhost_net_stop(n, &tx_sock, &rx_sock); vhost_net_flush(n); vhost_dev_cleanup(&n->dev, false); if (tx_sock) fput(tx_sock->file); if (rx_sock) fput(rx_sock->file); /* We do an extra flush before freeing memory, * since jobs can re-queue themselves. */ vhost_net_flush(n); kfree(n); return 0;}
开发者ID:Av3ng3，项目名称:Lamobo-D1s，代码行数:19，
示例5: vhost_net_releasestatic int vhost_net_release(struct inode *inode, struct file *f){ struct vhost_net *n = f->private_data; struct socket *tx_sock; struct socket *rx_sock; vhost_net_stop(n, &tx_sock, &rx_sock); vhost_net_flush(n); vhost_dev_stop(&n->dev); vhost_dev_cleanup(&n->dev, false); vhost_net_vq_reset(n); if (tx_sock) sockfd_put(tx_sock); if (rx_sock) sockfd_put(rx_sock); /* Make sure no callbacks are outstanding */ synchronize_rcu_bh(); /* We do an extra flush before freeing memory, * since jobs can re-queue themselves. */ vhost_net_flush(n); kfree(n->dev.vqs); kvfree(n); return 0;}
开发者ID:383530895，项目名称:linux，代码行数:24，
示例6: vhost_net_set_ownerstatic long vhost_net_set_owner(struct vhost_net *n){ int r; mutex_lock(&n->dev.mutex); if (vhost_dev_has_owner(&n->dev)) { r = -EBUSY; goto out; } r = vhost_net_set_ubuf_info(n); if (r) goto out; r = vhost_dev_set_owner(&n->dev); if (r) vhost_net_clear_ubuf_info(n); vhost_net_flush(n);out: mutex_unlock(&n->dev.mutex); return r;}
开发者ID:383530895，项目名称:linux，代码行数:20，
示例7: vhost_net_reset_ownerstatic long vhost_net_reset_owner(struct vhost_net *n){ struct socket *tx_sock = NULL; struct socket *rx_sock = NULL; long err; mutex_lock(&n->dev.mutex); err = vhost_dev_check_owner(&n->dev); if (err) goto done; vhost_net_stop(n, &tx_sock, &rx_sock); vhost_net_flush(n); err = vhost_dev_reset_owner(&n->dev);done: mutex_unlock(&n->dev.mutex); if (tx_sock) fput(tx_sock->file); if (rx_sock) fput(rx_sock->file); return err;}
开发者ID:daveti，项目名称:prov-kernel，代码行数:20，
示例8: vhost_net_set_featuresstatic int vhost_net_set_features(struct vhost_net *n, u64 features){ size_t hdr_size = features & (1 << VHOST_NET_F_VIRTIO_NET_HDR) ? sizeof(struct virtio_net_hdr) : 0; int i; mutex_lock(&n->dev.mutex); if ((features & (1 << VHOST_F_LOG_ALL)) && !vhost_log_access_ok(&n->dev)) { mutex_unlock(&n->dev.mutex); return -EFAULT; } n->dev.acked_features = features; smp_wmb(); for (i = 0; i < VHOST_NET_VQ_MAX; ++i) { mutex_lock(&n->vqs[i].mutex); n->vqs[i].hdr_size = hdr_size; mutex_unlock(&n->vqs[i].mutex); } vhost_net_flush(n); mutex_unlock(&n->dev.mutex); return 0;}
开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:22，
注：本文中的vhost_net_flush函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。
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