1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*-
* Copyright (c) 2011 NetApp, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/systm.h>
#include <machine/vmm.h>
#include "vmm_ipi.h"
#include "vmm_lapic.h"
#include "vlapic.h"
int
lapic_write(struct vm *vm, int cpu, u_int offset, uint64_t val)
{
int handled;
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
if (vlapic_op_mem_write(vlapic, offset, DWORD, val) == 0)
handled = 1;
else
handled = 0;
return (handled);
}
int
lapic_read(struct vm *vm, int cpu, u_int offset, uint64_t *rv)
{
int handled;
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
if (vlapic_op_mem_read(vlapic, offset, DWORD, rv) == 0)
handled = 1;
else
handled = 0;
return (handled);
}
int
lapic_pending_intr(struct vm *vm, int cpu)
{
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
return (vlapic_pending_intr(vlapic));
}
void
lapic_intr_accepted(struct vm *vm, int cpu, int vector)
{
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
vlapic_intr_accepted(vlapic, vector);
}
int
lapic_set_intr(struct vm *vm, int cpu, int vector)
{
struct vlapic *vlapic;
if (cpu < 0 || cpu >= VM_MAXCPU)
return (EINVAL);
if (vector < 32 || vector > 255)
return (EINVAL);
vlapic = vm_lapic(vm, cpu);
vlapic_set_intr_ready(vlapic, vector);
vm_interrupt_hostcpu(vm, cpu);
return (0);
}
void
lapic_timer_tick(struct vm *vm, int cpu)
{
struct vlapic *vlapic;
vlapic = vm_lapic(vm, cpu);
vlapic_timer_tick(vlapic);
}
|