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
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/types.h>
#include <sys/hypervisor.h>
#include <sys/sunndi.h>
#include <sys/sunddi.h>
#include <sys/ddi_subrdefs.h>
#include <sys/bootconf.h>
#include <sys/psw.h>
#include <sys/modctl.h>
#include <sys/errno.h>
#include <sys/reboot.h>
#include <sys/hypervisor.h>
#include <xen/sys/xenbus_comms.h>
#include <xen/sys/xenbus_impl.h>
#include <xen/sys/xendev.h>
extern int xen_boot_debug;
/*
* Internal structures and functions
*/
int xendev_nounload = 0;
void xendev_enumerate(int);
/*
* Interface routines
*/
static struct modlmisc modlmisc = {
&mod_miscops, "virtual device probe"
};
static struct modlinkage modlinkage = {
MODREV_1, (void *)&modlmisc, NULL
};
int
_init(void)
{
int err;
if ((err = mod_install(&modlinkage)) != 0)
return (err);
impl_bus_add_probe(xendev_enumerate);
return (0);
}
int
_fini(void)
{
int err;
if (xendev_nounload)
return (EBUSY);
if ((err = mod_remove(&modlinkage)) != 0)
return (err);
impl_bus_delete_probe(xendev_enumerate);
return (0);
}
int
_info(struct modinfo *modinfop)
{
return (mod_info(&modlinkage, modinfop));
}
/*
* This functions is invoked twice, first time with reprogram=0 to
* set up the xpvd portion of the device tree. The second time is
* ignored.
*/
void
xendev_enumerate(int reprogram)
{
dev_info_t *dip;
if (reprogram != 0)
return;
ndi_devi_alloc_sleep(ddi_root_node(), "xpvd",
(pnode_t)DEVI_SID_NODEID, &dip);
(void) ndi_devi_bind_driver(dip, 0);
/*
* Too early to enumerate split device drivers in domU
* since we need to create taskq thread during enumeration.
* So, we only enumerate softdevs and console here.
*/
xendev_enum_all(dip, B_TRUE);
}
|
