2 * Copyright (c) 2012 NetApp, Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 #error "no user-serviceable parts inside"
38 uint64_t xcr0_allowed;
39 uint32_t xsave_max_size;
42 void vmm_host_state_init(void);
44 uint64_t vmm_get_host_pat(void);
45 uint64_t vmm_get_host_efer(void);
46 uint64_t vmm_get_host_cr0(void);
47 uint64_t vmm_get_host_cr4(void);
48 uint64_t vmm_get_host_xcr0(void);
49 uint64_t vmm_get_host_datasel(void);
50 uint64_t vmm_get_host_codesel(void);
51 uint64_t vmm_get_host_tsssel(void);
52 uint64_t vmm_get_host_fsbase(void);
53 uint64_t vmm_get_host_idtrbase(void);
54 const struct xsave_limits *vmm_get_xsave_limits(void);
57 * Inline access to host state that is used on every VM entry
59 static __inline uint64_t
60 vmm_get_host_trbase(void)
63 return ((uint64_t)PCPU_GET(tssp));
66 static __inline uint64_t
67 vmm_get_host_gdtrbase(void)
70 return ((uint64_t)&gdt[NGDT * curcpu]);
74 extern struct pcpu __pcpu[];
76 static __inline uint64_t
77 vmm_get_host_gsbase(void)
80 return ((uint64_t)&__pcpu[curcpu]);