76 lines
2.5 KiB
C
76 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* VMware vSockets Driver
|
|
*
|
|
* Copyright (C) 2009-2013 VMware, Inc. All rights reserved.
|
|
*/
|
|
|
|
#ifndef __VMCI_TRANSPORT_NOTIFY_H__
|
|
#define __VMCI_TRANSPORT_NOTIFY_H__
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/vmw_vmci_defs.h>
|
|
#include <linux/vmw_vmci_api.h>
|
|
|
|
#include "vmci_transport.h"
|
|
|
|
/* Comment this out to compare with old protocol. */
|
|
#define VSOCK_OPTIMIZATION_WAITING_NOTIFY 1
|
|
#if defined(VSOCK_OPTIMIZATION_WAITING_NOTIFY)
|
|
/* Comment this out to remove flow control for "new" protocol */
|
|
#define VSOCK_OPTIMIZATION_FLOW_CONTROL 1
|
|
#endif
|
|
|
|
#define VMCI_TRANSPORT_MAX_DGRAM_RESENDS 10
|
|
|
|
struct vmci_transport_recv_notify_data {
|
|
u64 consume_head;
|
|
u64 produce_tail;
|
|
bool notify_on_block;
|
|
};
|
|
|
|
struct vmci_transport_send_notify_data {
|
|
u64 consume_head;
|
|
u64 produce_tail;
|
|
};
|
|
|
|
/* Socket notification callbacks. */
|
|
struct vmci_transport_notify_ops {
|
|
void (*socket_init) (struct sock *sk);
|
|
void (*socket_destruct) (struct vsock_sock *vsk);
|
|
int (*poll_in) (struct sock *sk, size_t target,
|
|
bool *data_ready_now);
|
|
int (*poll_out) (struct sock *sk, size_t target,
|
|
bool *space_avail_now);
|
|
void (*handle_notify_pkt) (struct sock *sk,
|
|
struct vmci_transport_packet *pkt,
|
|
bool bottom_half, struct sockaddr_vm *dst,
|
|
struct sockaddr_vm *src,
|
|
bool *pkt_processed);
|
|
int (*recv_init) (struct sock *sk, size_t target,
|
|
struct vmci_transport_recv_notify_data *data);
|
|
int (*recv_pre_block) (struct sock *sk, size_t target,
|
|
struct vmci_transport_recv_notify_data *data);
|
|
int (*recv_pre_dequeue) (struct sock *sk, size_t target,
|
|
struct vmci_transport_recv_notify_data *data);
|
|
int (*recv_post_dequeue) (struct sock *sk, size_t target,
|
|
ssize_t copied, bool data_read,
|
|
struct vmci_transport_recv_notify_data *data);
|
|
int (*send_init) (struct sock *sk,
|
|
struct vmci_transport_send_notify_data *data);
|
|
int (*send_pre_block) (struct sock *sk,
|
|
struct vmci_transport_send_notify_data *data);
|
|
int (*send_pre_enqueue) (struct sock *sk,
|
|
struct vmci_transport_send_notify_data *data);
|
|
int (*send_post_enqueue) (struct sock *sk, ssize_t written,
|
|
struct vmci_transport_send_notify_data *data);
|
|
void (*process_request) (struct sock *sk);
|
|
void (*process_negotiate) (struct sock *sk);
|
|
};
|
|
|
|
extern const struct vmci_transport_notify_ops vmci_transport_notify_pkt_ops;
|
|
extern const
|
|
struct vmci_transport_notify_ops vmci_transport_notify_pkt_q_state_ops;
|
|
|
|
#endif /* __VMCI_TRANSPORT_NOTIFY_H__ */
|