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 | |
19 | struct msghdr; |
20 | typedef void (vmci_device_shutdown_fn) (void *device_registration, |
21 | void *user_data); |
22 | typedef void (*vmci_vsock_cb) (bool is_host); |
23 | |
24 | int 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); |
28 | int 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); |
32 | int vmci_datagram_destroy_handle(struct vmci_handle handle); |
33 | int vmci_datagram_send(struct vmci_datagram *msg); |
34 | int vmci_doorbell_create(struct vmci_handle *handle, u32 flags, |
35 | u32 priv_flags, |
36 | vmci_callback notify_cb, void *client_data); |
37 | int vmci_doorbell_destroy(struct vmci_handle handle); |
38 | int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags); |
39 | u32 vmci_get_context_id(void); |
40 | bool vmci_is_context_owner(u32 context_id, kuid_t uid); |
41 | int vmci_register_vsock_callback(vmci_vsock_cb callback); |
42 | |
43 | int vmci_event_subscribe(u32 event, |
44 | vmci_event_cb callback, void *callback_data, |
45 | u32 *subid); |
46 | int vmci_event_unsubscribe(u32 subid); |
47 | u32 vmci_context_get_priv_flags(u32 context_id); |
48 | int 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); |
53 | int vmci_qpair_detach(struct vmci_qp **qpair); |
54 | int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair, |
55 | u64 *producer_tail, |
56 | u64 *consumer_head); |
57 | int vmci_qpair_get_consume_indexes(const struct vmci_qp *qpair, |
58 | u64 *consumer_tail, |
59 | u64 *producer_head); |
60 | s64 vmci_qpair_produce_free_space(const struct vmci_qp *qpair); |
61 | s64 vmci_qpair_produce_buf_ready(const struct vmci_qp *qpair); |
62 | s64 vmci_qpair_consume_free_space(const struct vmci_qp *qpair); |
63 | s64 vmci_qpair_consume_buf_ready(const struct vmci_qp *qpair); |
64 | ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair, |
65 | const void *buf, size_t buf_size, int mode); |
66 | ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair, |
67 | void *buf, size_t buf_size, int mode); |
68 | ssize_t vmci_qpair_peek(struct vmci_qp *qpair, void *buf, size_t buf_size, |
69 | int mode); |
70 | ssize_t vmci_qpair_enquev(struct vmci_qp *qpair, |
71 | struct msghdr *msg, size_t iov_size, int mode); |
72 | ssize_t vmci_qpair_dequev(struct vmci_qp *qpair, |
73 | struct msghdr *msg, size_t iov_size, int mode); |
74 | ssize_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__ */ |
78 | |