vmw_vmci_api.h (2954B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2/* 3 * VMware VMCI Driver 4 * 5 * Copyright (C) 2012 VMware, Inc. All rights reserved. 6 */ 7 8#ifndef __VMW_VMCI_API_H__ 9#define __VMW_VMCI_API_H__ 10 11#include <linux/uidgid.h> 12#include <linux/vmw_vmci_defs.h> 13 14#undef VMCI_KERNEL_API_VERSION 15#define VMCI_KERNEL_API_VERSION_1 1 16#define VMCI_KERNEL_API_VERSION_2 2 17#define VMCI_KERNEL_API_VERSION VMCI_KERNEL_API_VERSION_2 18 19struct msghdr; 20typedef void (vmci_device_shutdown_fn) (void *device_registration, 21 void *user_data); 22typedef void (*vmci_vsock_cb) (bool is_host); 23 24int vmci_datagram_create_handle(u32 resource_id, u32 flags, 25 vmci_datagram_recv_cb recv_cb, 26 void *client_data, 27 struct vmci_handle *out_handle); 28int vmci_datagram_create_handle_priv(u32 resource_id, u32 flags, u32 priv_flags, 29 vmci_datagram_recv_cb recv_cb, 30 void *client_data, 31 struct vmci_handle *out_handle); 32int vmci_datagram_destroy_handle(struct vmci_handle handle); 33int vmci_datagram_send(struct vmci_datagram *msg); 34int vmci_doorbell_create(struct vmci_handle *handle, u32 flags, 35 u32 priv_flags, 36 vmci_callback notify_cb, void *client_data); 37int vmci_doorbell_destroy(struct vmci_handle handle); 38int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags); 39u32 vmci_get_context_id(void); 40bool vmci_is_context_owner(u32 context_id, kuid_t uid); 41int vmci_register_vsock_callback(vmci_vsock_cb callback); 42 43int vmci_event_subscribe(u32 event, 44 vmci_event_cb callback, void *callback_data, 45 u32 *subid); 46int vmci_event_unsubscribe(u32 subid); 47u32 vmci_context_get_priv_flags(u32 context_id); 48int vmci_qpair_alloc(struct vmci_qp **qpair, 49 struct vmci_handle *handle, 50 u64 produce_qsize, 51 u64 consume_qsize, 52 u32 peer, u32 flags, u32 priv_flags); 53int vmci_qpair_detach(struct vmci_qp **qpair); 54int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair, 55 u64 *producer_tail, 56 u64 *consumer_head); 57int vmci_qpair_get_consume_indexes(const struct vmci_qp *qpair, 58 u64 *consumer_tail, 59 u64 *producer_head); 60s64 vmci_qpair_produce_free_space(const struct vmci_qp *qpair); 61s64 vmci_qpair_produce_buf_ready(const struct vmci_qp *qpair); 62s64 vmci_qpair_consume_free_space(const struct vmci_qp *qpair); 63s64 vmci_qpair_consume_buf_ready(const struct vmci_qp *qpair); 64ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair, 65 const void *buf, size_t buf_size, int mode); 66ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair, 67 void *buf, size_t buf_size, int mode); 68ssize_t vmci_qpair_peek(struct vmci_qp *qpair, void *buf, size_t buf_size, 69 int mode); 70ssize_t vmci_qpair_enquev(struct vmci_qp *qpair, 71 struct msghdr *msg, size_t iov_size, int mode); 72ssize_t vmci_qpair_dequev(struct vmci_qp *qpair, 73 struct msghdr *msg, size_t iov_size, int mode); 74ssize_t vmci_qpair_peekv(struct vmci_qp *qpair, struct msghdr *msg, size_t iov_size, 75 int mode); 76 77#endif /* !__VMW_VMCI_API_H__ */