Contributors: 17
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Juergen Gross |
176 |
44.67% |
3 |
12.50% |
| H. Peter Anvin |
60 |
15.23% |
3 |
12.50% |
| Duan Zhenzhong |
45 |
11.42% |
1 |
4.17% |
| Alok N Kataria |
23 |
5.84% |
3 |
12.50% |
| Jason (Hui) Wang |
22 |
5.58% |
1 |
4.17% |
| Thomas Gleixner |
11 |
2.79% |
1 |
4.17% |
| Vitaly Kuznetsov |
10 |
2.54% |
2 |
8.33% |
| Yakui Zhao |
8 |
2.03% |
1 |
4.17% |
| Jan Kiszka |
8 |
2.03% |
1 |
4.17% |
| Avi Kivity |
7 |
1.78% |
1 |
4.17% |
| Jeremy Fitzhardinge |
5 |
1.27% |
1 |
4.17% |
| K. Y. Srinivasan |
5 |
1.27% |
1 |
4.17% |
| Anupam Chanda |
5 |
1.27% |
1 |
4.17% |
| Paul Gortmaker |
4 |
1.02% |
1 |
4.17% |
| Prarit Bhargava |
3 |
0.76% |
1 |
4.17% |
| Sheng Yang |
1 |
0.25% |
1 |
4.17% |
| Chen Yucong |
1 |
0.25% |
1 |
4.17% |
| Total |
394 |
|
24 |
|
/*
* Common hypervisor code
*
* Copyright (C) 2008, VMware, Inc.
* Author : Alok N Kataria <akataria@vmware.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <linux/init.h>
#include <linux/export.h>
#include <asm/processor.h>
#include <asm/hypervisor.h>
static const __initconst struct hypervisor_x86 * const hypervisors[] =
{
#ifdef CONFIG_XEN_PV
&x86_hyper_xen_pv,
#endif
#ifdef CONFIG_XEN_PVHVM
&x86_hyper_xen_hvm,
#endif
&x86_hyper_vmware,
&x86_hyper_ms_hyperv,
#ifdef CONFIG_KVM_GUEST
&x86_hyper_kvm,
#endif
#ifdef CONFIG_JAILHOUSE_GUEST
&x86_hyper_jailhouse,
#endif
#ifdef CONFIG_ACRN_GUEST
&x86_hyper_acrn,
#endif
};
enum x86_hypervisor_type x86_hyper_type;
EXPORT_SYMBOL(x86_hyper_type);
bool __initdata nopv;
static __init int parse_nopv(char *arg)
{
nopv = true;
return 0;
}
early_param("nopv", parse_nopv);
static inline const struct hypervisor_x86 * __init
detect_hypervisor_vendor(void)
{
const struct hypervisor_x86 *h = NULL, * const *p;
uint32_t pri, max_pri = 0;
for (p = hypervisors; p < hypervisors + ARRAY_SIZE(hypervisors); p++) {
if (unlikely(nopv) && !(*p)->ignore_nopv)
continue;
pri = (*p)->detect();
if (pri > max_pri) {
max_pri = pri;
h = *p;
}
}
if (h)
pr_info("Hypervisor detected: %s\n", h->name);
return h;
}
static void __init copy_array(const void *src, void *target, unsigned int size)
{
unsigned int i, n = size / sizeof(void *);
const void * const *from = (const void * const *)src;
const void **to = (const void **)target;
for (i = 0; i < n; i++)
if (from[i])
to[i] = from[i];
}
void __init init_hypervisor_platform(void)
{
const struct hypervisor_x86 *h;
h = detect_hypervisor_vendor();
if (!h)
return;
copy_array(&h->init, &x86_init.hyper, sizeof(h->init));
copy_array(&h->runtime, &x86_platform.hyper, sizeof(h->runtime));
x86_hyper_type = h->type;
x86_init.hyper.init_platform();
}