xref: /freebsd/sys/dev/hyperv/vmbus/hyperv_var.h (revision 2b887687edc25bb4553f0d8a1183f454a85d413d)
1 /*-
2  * Copyright (c) 2016 Microsoft Corp.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice unmodified, this list of conditions, and the following
10  *    disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef _HYPERV_VAR_H_
28 #define _HYPERV_VAR_H_
29 
30 extern u_int	hyperv_recommends;
31 
32 struct hypercall_ctx {
33     void            *hc_addr;
34     vm_paddr_t      hc_paddr;
35 };
36 
37 uint64_t	hypercall_post_message(bus_addr_t msg_paddr);
38 uint64_t	hypercall_signal_event(bus_addr_t monprm_paddr);
39 uint64_t	hypercall_do_md(uint64_t input, uint64_t in_addr,
40 		    uint64_t out_addr);
41 struct hv_vpset;
42 struct vmbus_softc;
43 
44 uint64_t
45 hv_do_rep_hypercall(uint16_t code, uint16_t rep_count, uint16_t varhead_size,
46     uint64_t input, uint64_t output);
47 int
48 hv_cpumask_to_vpset(struct hv_vpset *vpset, const cpuset_t *cpus,
49     struct vmbus_softc *sc);
50 #endif	/* !_HYPERV_VAR_H_ */
51