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/* SPDX-License-Identifier: GPL-2.0-only */ /* * VMware VMCI Driver * * Copyright (C) 2012 VMware, Inc. All rights reserved. */ #ifndef __VMW_VMCI_API_H__ #define __VMW_VMCI_API_H__ #include <linux/uidgid.h> #include <linux/vmw_vmci_defs.h> #undef VMCI_KERNEL_API_VERSION #define VMCI_KERNEL_API_VERSION_1 1 #define VMCI_KERNEL_API_VERSION_2 2 #define VMCI_KERNEL_API_VERSION VMCI_KERNEL_API_VERSION_2 struct msghdr; typedef void (vmci_device_shutdown_fn) (void *device_registration, void *user_data); typedef void (*vmci_vsock_cb) (bool is_host); int vmci_datagram_create_handle(u32 resource_id, u32 flags, vmci_datagram_recv_cb recv_cb, void *client_data, struct vmci_handle *out_handle); int vmci_datagram_create_handle_priv(u32 resource_id, u32 flags, u32 priv_flags, vmci_datagram_recv_cb recv_cb, void *client_data, struct vmci_handle *out_handle); int vmci_datagram_destroy_handle(struct vmci_handle handle); int vmci_datagram_send(struct vmci_datagram *msg); int vmci_doorbell_create(struct vmci_handle *handle, u32 flags, u32 priv_flags, vmci_callback notify_cb, void *client_data); int vmci_doorbell_destroy(struct vmci_handle handle); int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags); u32 vmci_get_context_id(void); bool vmci_is_context_owner(u32 context_id, kuid_t uid); int vmci_register_vsock_callback(vmci_vsock_cb callback); int vmci_event_subscribe(u32 event, vmci_event_cb callback, void *callback_data, u32 *subid); int vmci_event_unsubscribe(u32 subid); u32 vmci_context_get_priv_flags(u32 context_id); int vmci_qpair_alloc(struct vmci_qp **qpair, struct vmci_handle *handle, u64 produce_qsize, u64 consume_qsize, u32 peer, u32 flags, u32 priv_flags); int vmci_qpair_detach(struct vmci_qp **qpair); int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair, u64 *producer_tail, u64 *consumer_head); int vmci_qpair_get_consume_indexes(const struct vmci_qp *qpair, u64 *consumer_tail, u64 *producer_head); s64 vmci_qpair_produce_free_space(const struct vmci_qp *qpair); s64 vmci_qpair_produce_buf_ready(const struct vmci_qp *qpair); s64 vmci_qpair_consume_free_space(const struct vmci_qp *qpair); s64 vmci_qpair_consume_buf_ready(const struct vmci_qp *qpair); ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair, const void *buf, size_t buf_size, int mode); ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair, void *buf, size_t buf_size, int mode); ssize_t vmci_qpair_peek(struct vmci_qp *qpair, void *buf, size_t buf_size, int mode); ssize_t vmci_qpair_enquev(struct vmci_qp *qpair, struct msghdr *msg, size_t iov_size, int mode); ssize_t vmci_qpair_dequev(struct vmci_qp *qpair, struct msghdr *msg, size_t iov_size, int mode); ssize_t vmci_qpair_peekv(struct vmci_qp *qpair, struct msghdr *msg, size_t iov_size, int mode); #endif /* !__VMW_VMCI_API_H__ */