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