aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/virtio_vsock.h209
1 files changed, 0 insertions, 209 deletions
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
deleted file mode 100644
index a5f3ecc038f7..000000000000
--- a/include/linux/virtio_vsock.h
+++ /dev/null
@@ -1,209 +0,0 @@
-/*
- * This header, excluding the #ifdef __KERNEL__ part, is BSD licensed so
- * anyone can use the definitions to implement compatible drivers/servers:
- *
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of IBM nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * Copyright (C) Red Hat, Inc., 2013-2015
- * Copyright (C) Asias He <asias@redhat.com>, 2013
- * Copyright (C) Stefan Hajnoczi <stefanha@redhat.com>, 2015
- */
-
-#ifndef _LINUX_VIRTIO_VSOCK_H
-#define _LINUX_VIRTIO_VSOCK_H
-
-#include <uapi/linux/virtio_vsock.h>
-#include <linux/socket.h>
-#include <net/sock.h>
-
-#define VIRTIO_VSOCK_DEFAULT_MIN_BUF_SIZE 128
-#define VIRTIO_VSOCK_DEFAULT_BUF_SIZE (1024 * 256)
-#define VIRTIO_VSOCK_DEFAULT_MAX_BUF_SIZE (1024 * 256)
-#define VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE (1024 * 4)
-#define VIRTIO_VSOCK_MAX_BUF_SIZE 0xFFFFFFFFUL
-#define VIRTIO_VSOCK_MAX_PKT_BUF_SIZE (1024 * 64)
-#define VIRTIO_VSOCK_MAX_TX_BUF_SIZE (1024 * 1024 * 16)
-#define VIRTIO_VSOCK_MAX_DGRAM_SIZE (1024 * 64)
-
-struct vsock_transport_recv_notify_data;
-struct vsock_transport_send_notify_data;
-struct sockaddr_vm;
-struct vsock_sock;
-
-enum {
- VSOCK_VQ_CTRL = 0,
- VSOCK_VQ_RX = 1, /* for host to guest data */
- VSOCK_VQ_TX = 2, /* for guest to host data */
- VSOCK_VQ_MAX = 3,
-};
-
-/* virtio transport socket state */
-struct virtio_transport {
- struct virtio_transport_pkt_ops *ops;
- struct vsock_sock *vsk;
-
- u32 buf_size;
- u32 buf_size_min;
- u32 buf_size_max;
-
- struct mutex tx_lock;
- struct mutex rx_lock;
-
- struct list_head rx_queue;
- u32 rx_bytes;
-
- /* Protected by trans->tx_lock */
- u32 tx_cnt;
- u32 buf_alloc;
- u32 peer_fwd_cnt;
- u32 peer_buf_alloc;
- /* Protected by trans->rx_lock */
- u32 fwd_cnt;
-
- /* Protected by sk_lock */
- u16 dgram_id;
- struct list_head incomplete_dgrams; /* dgram fragments */
-};
-
-struct virtio_vsock_pkt {
- struct virtio_vsock_hdr hdr;
- struct virtio_transport *trans;
- struct work_struct work;
- struct list_head list;
- void *buf;
- u32 len;
- u32 off;
-};
-
-struct virtio_vsock_pkt_info {
- u32 remote_cid, remote_port;
- struct msghdr *msg;
- u32 pkt_len;
- u16 type;
- u16 op;
- u32 flags;
- u16 dgram_id;
- u16 dgram_len;
-};
-
-struct virtio_transport_pkt_ops {
- int (*send_pkt)(struct vsock_sock *vsk,
- struct virtio_vsock_pkt_info *info);
-};
-
-void virtio_vsock_dumppkt(const char *func,
- const struct virtio_vsock_pkt *pkt);
-
-struct sock *
-virtio_transport_get_pending(struct sock *listener,
- struct virtio_vsock_pkt *pkt);
-struct virtio_vsock_pkt *
-virtio_transport_alloc_pkt(struct vsock_sock *vsk,
- struct virtio_vsock_pkt_info *info,
- size_t len,
- u32 src_cid,
- u32 src_port,
- u32 dst_cid,
- u32 dst_port);
-ssize_t
-virtio_transport_stream_dequeue(struct vsock_sock *vsk,
- struct msghdr *msg,
- size_t len,
- int type);
-int
-virtio_transport_dgram_dequeue(struct vsock_sock *vsk,
- struct msghdr *msg,
- size_t len, int flags);
-
-s64 virtio_transport_stream_has_data(struct vsock_sock *vsk);
-s64 virtio_transport_stream_has_space(struct vsock_sock *vsk);
-
-int virtio_transport_do_socket_init(struct vsock_sock *vsk,
- struct vsock_sock *psk);
-u64 virtio_transport_get_buffer_size(struct vsock_sock *vsk);
-u64 virtio_transport_get_min_buffer_size(struct vsock_sock *vsk);
-u64 virtio_transport_get_max_buffer_size(struct vsock_sock *vsk);
-void virtio_transport_set_buffer_size(struct vsock_sock *vsk, u64 val);
-void virtio_transport_set_min_buffer_size(struct vsock_sock *vsk, u64 val);
-void virtio_transport_set_max_buffer_size(struct vsock_sock *vs, u64 val);
-int
-virtio_transport_notify_poll_in(struct vsock_sock *vsk,
- size_t target,
- bool *data_ready_now);
-int
-virtio_transport_notify_poll_out(struct vsock_sock *vsk,
- size_t target,
- bool *space_available_now);
-
-int virtio_transport_notify_recv_init(struct vsock_sock *vsk,
- size_t target, struct vsock_transport_recv_notify_data *data);
-int virtio_transport_notify_recv_pre_block(struct vsock_sock *vsk,
- size_t target, struct vsock_transport_recv_notify_data *data);
-int virtio_transport_notify_recv_pre_dequeue(struct vsock_sock *vsk,
- size_t target, struct vsock_transport_recv_notify_data *data);
-int virtio_transport_notify_recv_post_dequeue(struct vsock_sock *vsk,
- size_t target, ssize_t copied, bool data_read,
- struct vsock_transport_recv_notify_data *data);
-int virtio_transport_notify_send_init(struct vsock_sock *vsk,
- struct vsock_transport_send_notify_data *data);
-int virtio_transport_notify_send_pre_block(struct vsock_sock *vsk,
- struct vsock_transport_send_notify_data *data);
-int virtio_transport_notify_send_pre_enqueue(struct vsock_sock *vsk,
- struct vsock_transport_send_notify_data *data);
-int virtio_transport_notify_send_post_enqueue(struct vsock_sock *vsk,
- ssize_t written, struct vsock_transport_send_notify_data *data);
-
-u64 virtio_transport_stream_rcvhiwat(struct vsock_sock *vsk);
-bool virtio_transport_stream_is_active(struct vsock_sock *vsk);
-bool virtio_transport_stream_allow(u32 cid, u32 port);
-int virtio_transport_dgram_bind(struct vsock_sock *vsk,
- struct sockaddr_vm *addr);
-bool virtio_transport_dgram_allow(u32 cid, u32 port);
-
-int virtio_transport_connect(struct vsock_sock *vsk);
-
-int virtio_transport_shutdown(struct vsock_sock *vsk, int mode);
-
-void virtio_transport_release(struct vsock_sock *vsk);
-
-ssize_t
-virtio_transport_stream_enqueue(struct vsock_sock *vsk,
- struct msghdr *msg,
- size_t len);
-int
-virtio_transport_dgram_enqueue(struct vsock_sock *vsk,
- struct sockaddr_vm *remote_addr,
- struct msghdr *msg,
- size_t len);
-
-void virtio_transport_destruct(struct vsock_sock *vsk);
-
-void virtio_transport_recv_pkt(struct virtio_vsock_pkt *pkt);
-void virtio_transport_free_pkt(struct virtio_vsock_pkt *pkt);
-void virtio_transport_inc_tx_pkt(struct virtio_vsock_pkt *pkt);
-void virtio_transport_dec_tx_pkt(struct virtio_vsock_pkt *pkt);
-u32 virtio_transport_get_credit(struct virtio_transport *trans, u32 wanted);
-void virtio_transport_put_credit(struct virtio_transport *trans, u32 credit);
-#endif /* _LINUX_VIRTIO_VSOCK_H */
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.