xref: /freebsd/usr.sbin/bhyve/bhyverun.h (revision 6580f5c38dd5b01aeeaed16b370f1a12423437f0)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2011 NetApp, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #ifndef	_BHYVERUN_H_
30 #define	_BHYVERUN_H_
31 
32 #include <stdbool.h>
33 
34 #define	VMEXIT_CONTINUE		(0)
35 #define	VMEXIT_ABORT		(-1)
36 
37 extern int guest_ncpus;
38 extern uint16_t cpu_cores, cpu_sockets, cpu_threads;
39 
40 #ifdef BHYVE_SNAPSHOT
41 extern char *restore_file;
42 #endif
43 
44 struct vcpu;
45 struct vmctx;
46 struct vm_run;
47 
48 void *paddr_guest2host(struct vmctx *ctx, uintptr_t addr, size_t len);
49 #ifdef BHYVE_SNAPSHOT
50 uintptr_t paddr_host2guest(struct vmctx *ctx, void *addr);
51 #endif
52 
53 struct vcpu;
54 struct vcpu *fbsdrun_vcpu(int vcpuid);
55 void fbsdrun_addcpu(int vcpuid);
56 void fbsdrun_deletecpu(int vcpuid);
57 int fbsdrun_suspendcpu(int vcpuid);
58 
59 int  fbsdrun_virtio_msix(void);
60 
61 typedef int (*vmexit_handler_t)(struct vmctx *, struct vcpu *, struct vm_run *);
62 
63 /* Interfaces implemented by machine-dependent code. */
64 void bhyve_init_config(void);
65 void bhyve_optparse(int argc, char **argv);
66 void bhyve_usage(int code);
67 
68 /* Interfaces used by command-line option-parsing code. */
69 bool bhyve_parse_config_option(const char *option);
70 void bhyve_parse_simple_config_file(const char *path);
71 #ifdef BHYVE_GDB
72 void bhyve_parse_gdb_options(const char *opt);
73 #endif
74 int bhyve_pincpu_parse(const char *opt);
75 int bhyve_topology_parse(const char *opt);
76 
77 void bhyve_init_vcpu(struct vcpu *vcpu);
78 void bhyve_start_vcpu(struct vcpu *vcpu, bool bsp);
79 int bhyve_init_platform(struct vmctx *ctx, struct vcpu *bsp);
80 int bhyve_init_platform_late(struct vmctx *ctx, struct vcpu *bsp);
81 
82 #endif
83