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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/*
* QEMU Xen PV Machine
*
* Copyright (c) 2007 Red Hat
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "qemu/osdep.h"
#include "hw/hw.h"
#include "hw/boards.h"
#include "hw/sysbus.h"
#include "hw/xen/xen_backend.h"
#include "xen_domainbuild.h"
#include "sysemu/block-backend.h"
#define TYPE_XENSYSDEV "xensysdev"
DeviceState *xen_sysdev;
static void xen_init_pv(MachineState *machine)
{
DriveInfo *dinfo;
int i;
/* Initialize backend core & drivers */
if (xen_be_init() != 0) {
fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
exit(1);
}
switch (xen_mode) {
case XEN_ATTACH:
/* nothing to do, xend handles everything */
break;
#ifdef CONFIG_XEN_PV_DOMAIN_BUILD
case XEN_CREATE: {
const char *kernel_filename = machine->kernel_filename;
const char *kernel_cmdline = machine->kernel_cmdline;
const char *initrd_filename = machine->initrd_filename;
if (xen_domain_build_pv(kernel_filename, initrd_filename,
kernel_cmdline) < 0) {
fprintf(stderr, "xen pv domain creation failed\n");
exit(1);
}
break;
}
#endif
case XEN_EMULATE:
fprintf(stderr, "xen emulation not implemented (yet)\n");
exit(1);
break;
default:
fprintf(stderr, "unhandled xen_mode %d\n", xen_mode);
exit(1);
break;
}
xen_sysdev = qdev_create(NULL, TYPE_XENSYSDEV);
qdev_init_nofail(xen_sysdev);
xen_be_register("console", &xen_console_ops);
xen_be_register("vkbd", &xen_kbdmouse_ops);
xen_be_register("vfb", &xen_framebuffer_ops);
xen_be_register("qdisk", &xen_blkdev_ops);
xen_be_register("qnic", &xen_netdev_ops);
/* configure framebuffer */
if (xenfb_enabled) {
xen_config_dev_vfb(0, "vnc");
xen_config_dev_vkbd(0);
}
/* configure disks */
for (i = 0; i < 16; i++) {
dinfo = drive_get(IF_XEN, 0, i);
if (!dinfo)
continue;
xen_config_dev_blk(dinfo);
}
/* configure nics */
for (i = 0; i < nb_nics; i++) {
if (!nd_table[i].model || 0 != strcmp(nd_table[i].model, "xen"))
continue;
xen_config_dev_nic(nd_table + i);
}
/* config cleanup hook */
atexit(xen_config_cleanup);
/* setup framebuffer */
xen_init_display(xen_domid);
}
static int xen_sysdev_init(SysBusDevice *dev)
{
return 0;
}
static Property xen_sysdev_properties[] = {
{/* end of property list */},
};
static void xen_sysdev_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
k->init = xen_sysdev_init;
dc->props = xen_sysdev_properties;
}
static const TypeInfo xensysdev_info = {
.name = TYPE_XENSYSDEV,
.parent = TYPE_SYS_BUS_DEVICE,
.instance_size = sizeof(SysBusDevice),
.class_init = xen_sysdev_class_init,
};
static void xenpv_register_types(void)
{
type_register_static(&xensysdev_info);
}
type_init(xenpv_register_types);
static void xenpv_machine_init(MachineClass *mc)
{
mc->desc = "Xen Para-virtualized PC";
mc->init = xen_init_pv;
mc->max_cpus = 1;
mc->default_machine_opts = "accel=xen";
}
DEFINE_MACHINE("xenpv", xenpv_machine_init)
|
