vmci_kernel_api_1.h

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    1 /*-
    2  * Copyright (c) 2018 VMware, Inc.
    3  *
    4  * SPDX-License-Identifier: (BSD-2-Clause OR GPL-2.0)
    5  *
    6  * $FreeBSD$
    7  */
    8 
    9 /* Kernel API (v1) exported from the VMCI guest driver. */
   10 
   11 #ifndef _VMCI_KERNEL_API_1_H_
   12 #define _VMCI_KERNEL_API_1_H_
   13 
   14 #include "vmci_call_defs.h"
   15 #include "vmci_defs.h"
   16 
   17 /* Define version 1. */
   18 #undef  VMCI_KERNEL_API_VERSION
   19 #define VMCI_KERNEL_API_VERSION_1       1
   20 #define VMCI_KERNEL_API_VERSION         VMCI_KERNEL_API_VERSION_1
   21 
   22 /* VMCI Datagram API. */
   23 int     vmci_datagram_create_handle(uint32_t resource_id, uint32_t flags,
   24             vmci_datagram_recv_cb recv_cb, void *client_data,
   25             struct vmci_handle *out_handle);
   26 int     vmci_datagram_create_handle_priv(uint32_t resource_id, uint32_t flags,
   27             vmci_privilege_flags priv_flags, vmci_datagram_recv_cb recv_cb,
   28             void *client_data, struct vmci_handle *out_handle);
   29 int     vmci_datagram_destroy_handle(struct vmci_handle handle);
   30 int     vmci_datagram_send(struct vmci_datagram *msg);
   31 
   32 /* VMCI Utility API. */
   33 vmci_id vmci_get_context_id(void);
   34 
   35 /* VMCI Event API. */
   36 typedef void (*vmci_event_cb)(vmci_id sub_id, struct vmci_event_data *ed,
   37                     void *client_data);
   38 
   39 int     vmci_event_subscribe(vmci_event_type event, vmci_event_cb callback,
   40             void *callback_data, vmci_id *sub_id);
   41 int     vmci_event_unsubscribe(vmci_id sub_id);
   42 
   43 /* VMCI Queue Pair API. */
   44 struct vmci_qpair;
   45 
   46 int     vmci_qpair_alloc(struct vmci_qpair **qpair, struct vmci_handle *handle,
   47             uint64_t produce_q_size, uint64_t consume_q_size, vmci_id peer,
   48             uint32_t flags, vmci_privilege_flags priv_flags);
   49 int     vmci_qpair_detach(struct vmci_qpair **qpair);
   50 int     vmci_qpair_get_produce_indexes(const struct vmci_qpair *qpair,
   51             uint64_t *producer_tail, uint64_t *consumer_head);
   52 int     vmci_qpair_get_consume_indexes(const struct vmci_qpair *qpair,
   53             uint64_t *consumer_tail, uint64_t *producer_head);
   54 int64_t vmci_qpair_produce_free_space(const struct vmci_qpair *qpair);
   55 int64_t vmci_qpair_produce_buf_ready(const struct vmci_qpair *qpair);
   56 int64_t vmci_qpair_consume_free_space(const struct vmci_qpair *qpair);
   57 int64_t vmci_qpair_consume_buf_ready(const struct vmci_qpair *qpair);
   58 ssize_t vmci_qpair_enqueue(struct vmci_qpair *qpair, const void *buf,
   59             size_t buf_size, int mode);
   60 ssize_t vmci_qpair_dequeue(struct vmci_qpair *qpair, void *buf,
   61             size_t buf_size, int mode);
   62 ssize_t vmci_qpair_peek(struct vmci_qpair *qpair, void *buf,
   63             size_t buf_size, int mode);
   64 ssize_t vmci_qpair_enquev(struct vmci_qpair *qpair, void *iov, size_t iov_size,
   65             int mode);
   66 ssize_t vmci_qpair_dequev(struct vmci_qpair *qpair, void *iov, size_t iov_size,
   67             int mode);
   68 ssize_t vmci_qpair_peekv(struct vmci_qpair *qpair, void *iov, size_t iov_size,
   69             int mode);
   70 
   71 #endif /* !_VMCI_KERNEL_API_1_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/dev/vmware/vmci/vmci_kernel_api_1.h

FreeBSD/Linux Kernel Cross Reference
sys/dev/vmware/vmci/vmci_kernel_api_1.h