1 /* SPDX-License-Identifier: GPL-2.0-only */ <<
2 /* 1 /*
3 * VMware VMCI Driver 2 * VMware VMCI Driver
4 * 3 *
5 * Copyright (C) 2012 VMware, Inc. All rights 4 * Copyright (C) 2012 VMware, Inc. All rights reserved.
>> 5 *
>> 6 * This program is free software; you can redistribute it and/or modify it
>> 7 * under the terms of the GNU General Public License as published by the
>> 8 * Free Software Foundation version 2 and no later version.
>> 9 *
>> 10 * This program is distributed in the hope that it will be useful, but
>> 11 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
>> 12 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
>> 13 * for more details.
6 */ 14 */
7 15
8 #ifndef __VMW_VMCI_API_H__ 16 #ifndef __VMW_VMCI_API_H__
9 #define __VMW_VMCI_API_H__ 17 #define __VMW_VMCI_API_H__
10 18
11 #include <linux/uidgid.h> 19 #include <linux/uidgid.h>
12 #include <linux/vmw_vmci_defs.h> 20 #include <linux/vmw_vmci_defs.h>
13 21
14 #undef VMCI_KERNEL_API_VERSION 22 #undef VMCI_KERNEL_API_VERSION
15 #define VMCI_KERNEL_API_VERSION_1 1 23 #define VMCI_KERNEL_API_VERSION_1 1
16 #define VMCI_KERNEL_API_VERSION_2 2 24 #define VMCI_KERNEL_API_VERSION_2 2
17 #define VMCI_KERNEL_API_VERSION VMCI_KERNEL_ 25 #define VMCI_KERNEL_API_VERSION VMCI_KERNEL_API_VERSION_2
18 26
19 struct msghdr; 27 struct msghdr;
20 typedef void (vmci_device_shutdown_fn) (void * 28 typedef void (vmci_device_shutdown_fn) (void *device_registration,
21 void * 29 void *user_data);
22 typedef void (*vmci_vsock_cb) (bool is_host); <<
23 30
24 int vmci_datagram_create_handle(u32 resource_i 31 int vmci_datagram_create_handle(u32 resource_id, u32 flags,
25 vmci_datagram_ 32 vmci_datagram_recv_cb recv_cb,
26 void *client_d 33 void *client_data,
27 struct vmci_ha 34 struct vmci_handle *out_handle);
28 int vmci_datagram_create_handle_priv(u32 resou 35 int vmci_datagram_create_handle_priv(u32 resource_id, u32 flags, u32 priv_flags,
29 vmci_data 36 vmci_datagram_recv_cb recv_cb,
30 void *cli 37 void *client_data,
31 struct vm 38 struct vmci_handle *out_handle);
32 int vmci_datagram_destroy_handle(struct vmci_h 39 int vmci_datagram_destroy_handle(struct vmci_handle handle);
33 int vmci_datagram_send(struct vmci_datagram *m 40 int vmci_datagram_send(struct vmci_datagram *msg);
34 int vmci_doorbell_create(struct vmci_handle *h 41 int vmci_doorbell_create(struct vmci_handle *handle, u32 flags,
35 u32 priv_flags, 42 u32 priv_flags,
36 vmci_callback notify_ 43 vmci_callback notify_cb, void *client_data);
37 int vmci_doorbell_destroy(struct vmci_handle h 44 int vmci_doorbell_destroy(struct vmci_handle handle);
38 int vmci_doorbell_notify(struct vmci_handle ha 45 int vmci_doorbell_notify(struct vmci_handle handle, u32 priv_flags);
39 u32 vmci_get_context_id(void); 46 u32 vmci_get_context_id(void);
40 bool vmci_is_context_owner(u32 context_id, kui 47 bool vmci_is_context_owner(u32 context_id, kuid_t uid);
41 int vmci_register_vsock_callback(vmci_vsock_cb <<
42 48
43 int vmci_event_subscribe(u32 event, 49 int vmci_event_subscribe(u32 event,
44 vmci_event_cb callbac 50 vmci_event_cb callback, void *callback_data,
45 u32 *subid); 51 u32 *subid);
46 int vmci_event_unsubscribe(u32 subid); 52 int vmci_event_unsubscribe(u32 subid);
47 u32 vmci_context_get_priv_flags(u32 context_id 53 u32 vmci_context_get_priv_flags(u32 context_id);
48 int vmci_qpair_alloc(struct vmci_qp **qpair, 54 int vmci_qpair_alloc(struct vmci_qp **qpair,
49 struct vmci_handle *handl 55 struct vmci_handle *handle,
50 u64 produce_qsize, 56 u64 produce_qsize,
51 u64 consume_qsize, 57 u64 consume_qsize,
52 u32 peer, u32 flags, u32 58 u32 peer, u32 flags, u32 priv_flags);
53 int vmci_qpair_detach(struct vmci_qp **qpair); 59 int vmci_qpair_detach(struct vmci_qp **qpair);
54 int vmci_qpair_get_produce_indexes(const struc 60 int vmci_qpair_get_produce_indexes(const struct vmci_qp *qpair,
55 u64 *produc 61 u64 *producer_tail,
56 u64 *consum 62 u64 *consumer_head);
57 int vmci_qpair_get_consume_indexes(const struc 63 int vmci_qpair_get_consume_indexes(const struct vmci_qp *qpair,
58 u64 *consum 64 u64 *consumer_tail,
59 u64 *produc 65 u64 *producer_head);
60 s64 vmci_qpair_produce_free_space(const struct 66 s64 vmci_qpair_produce_free_space(const struct vmci_qp *qpair);
61 s64 vmci_qpair_produce_buf_ready(const struct 67 s64 vmci_qpair_produce_buf_ready(const struct vmci_qp *qpair);
62 s64 vmci_qpair_consume_free_space(const struct 68 s64 vmci_qpair_consume_free_space(const struct vmci_qp *qpair);
63 s64 vmci_qpair_consume_buf_ready(const struct 69 s64 vmci_qpair_consume_buf_ready(const struct vmci_qp *qpair);
64 ssize_t vmci_qpair_enqueue(struct vmci_qp *qpa 70 ssize_t vmci_qpair_enqueue(struct vmci_qp *qpair,
65 const void *buf, si 71 const void *buf, size_t buf_size, int mode);
66 ssize_t vmci_qpair_dequeue(struct vmci_qp *qpa 72 ssize_t vmci_qpair_dequeue(struct vmci_qp *qpair,
67 void *buf, size_t b 73 void *buf, size_t buf_size, int mode);
68 ssize_t vmci_qpair_peek(struct vmci_qp *qpair, 74 ssize_t vmci_qpair_peek(struct vmci_qp *qpair, void *buf, size_t buf_size,
69 int mode); 75 int mode);
70 ssize_t vmci_qpair_enquev(struct vmci_qp *qpai 76 ssize_t vmci_qpair_enquev(struct vmci_qp *qpair,
71 struct msghdr *msg, 77 struct msghdr *msg, size_t iov_size, int mode);
72 ssize_t vmci_qpair_dequev(struct vmci_qp *qpai 78 ssize_t vmci_qpair_dequev(struct vmci_qp *qpair,
73 struct msghdr *msg, 79 struct msghdr *msg, size_t iov_size, int mode);
74 ssize_t vmci_qpair_peekv(struct vmci_qp *qpair 80 ssize_t vmci_qpair_peekv(struct vmci_qp *qpair, struct msghdr *msg, size_t iov_size,
75 int mode); 81 int mode);
76 82
77 #endif /* !__VMW_VMCI_API_H__ */ 83 #endif /* !__VMW_VMCI_API_H__ */
78 84
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