1 /* SPDX-License-Identifier: GPL-2.0-only */
5 * Copyright (C) 2012 VMware, Inc. All rights reserved.
8 #ifndef __VMW_VMCI_API_H__
9 #define __VMW_VMCI_API_H__
11 #include <linux/uidgid.h>
12 #include <linux/vmw_vmci_defs.h>
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
20 typedef void (vmci_device_shutdown_fn
) (void *device_registration
,
23 int vmci_datagram_create_handle(u32 resource_id
, u32 flags
,
24 vmci_datagram_recv_cb recv_cb
,
26 struct vmci_handle
*out_handle
);
27 int vmci_datagram_create_handle_priv(u32 resource_id
, u32 flags
, u32 priv_flags
,
28 vmci_datagram_recv_cb recv_cb
,
30 struct vmci_handle
*out_handle
);
31 int vmci_datagram_destroy_handle(struct vmci_handle handle
);
32 int vmci_datagram_send(struct vmci_datagram
*msg
);
33 int vmci_doorbell_create(struct vmci_handle
*handle
, u32 flags
,
35 vmci_callback notify_cb
, void *client_data
);
36 int vmci_doorbell_destroy(struct vmci_handle handle
);
37 int vmci_doorbell_notify(struct vmci_handle handle
, u32 priv_flags
);
38 u32
vmci_get_context_id(void);
39 bool vmci_is_context_owner(u32 context_id
, kuid_t uid
);
41 int vmci_event_subscribe(u32 event
,
42 vmci_event_cb callback
, void *callback_data
,
44 int vmci_event_unsubscribe(u32 subid
);
45 u32
vmci_context_get_priv_flags(u32 context_id
);
46 int vmci_qpair_alloc(struct vmci_qp
**qpair
,
47 struct vmci_handle
*handle
,
50 u32 peer
, u32 flags
, u32 priv_flags
);
51 int vmci_qpair_detach(struct vmci_qp
**qpair
);
52 int vmci_qpair_get_produce_indexes(const struct vmci_qp
*qpair
,
55 int vmci_qpair_get_consume_indexes(const struct vmci_qp
*qpair
,
58 s64
vmci_qpair_produce_free_space(const struct vmci_qp
*qpair
);
59 s64
vmci_qpair_produce_buf_ready(const struct vmci_qp
*qpair
);
60 s64
vmci_qpair_consume_free_space(const struct vmci_qp
*qpair
);
61 s64
vmci_qpair_consume_buf_ready(const struct vmci_qp
*qpair
);
62 ssize_t
vmci_qpair_enqueue(struct vmci_qp
*qpair
,
63 const void *buf
, size_t buf_size
, int mode
);
64 ssize_t
vmci_qpair_dequeue(struct vmci_qp
*qpair
,
65 void *buf
, size_t buf_size
, int mode
);
66 ssize_t
vmci_qpair_peek(struct vmci_qp
*qpair
, void *buf
, size_t buf_size
,
68 ssize_t
vmci_qpair_enquev(struct vmci_qp
*qpair
,
69 struct msghdr
*msg
, size_t iov_size
, int mode
);
70 ssize_t
vmci_qpair_dequev(struct vmci_qp
*qpair
,
71 struct msghdr
*msg
, size_t iov_size
, int mode
);
72 ssize_t
vmci_qpair_peekv(struct vmci_qp
*qpair
, struct msghdr
*msg
, size_t iov_size
,
75 #endif /* !__VMW_VMCI_API_H__ */