2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2012 NetApp, Inc.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
35 #error "no user-serviceable parts inside"
40 uint64_t xcr0_allowed;
41 uint32_t xsave_max_size;
44 void vmm_host_state_init(void);
46 uint64_t vmm_get_host_pat(void);
47 uint64_t vmm_get_host_efer(void);
48 uint64_t vmm_get_host_cr0(void);
49 uint64_t vmm_get_host_cr4(void);
50 uint64_t vmm_get_host_xcr0(void);
51 uint64_t vmm_get_host_datasel(void);
52 uint64_t vmm_get_host_codesel(void);
53 uint64_t vmm_get_host_tsssel(void);
54 uint64_t vmm_get_host_fsbase(void);
55 uint64_t vmm_get_host_idtrbase(void);
56 const struct xsave_limits *vmm_get_xsave_limits(void);
59 * Inline access to host state that is used on every VM entry
61 static __inline uint64_t
62 vmm_get_host_trbase(void)
65 return ((uint64_t)PCPU_GET(tssp));
68 static __inline uint64_t
69 vmm_get_host_gdtrbase(void)
72 return ((uint64_t)&gdt[NGDT * curcpu]);
76 extern struct pcpu __pcpu[];
78 static __inline uint64_t
79 vmm_get_host_gsbase(void)
82 return ((uint64_t)&__pcpu[curcpu]);