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
|
/*
* Copyright (C) 2009 Citrix Ltd.
* Author Vincent Hanquez <vincent.hanquez@eu.citrix.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; version 2.1 only. with the special
* exception on linking described in file LICENSE.
*
* 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. See the
* GNU Lesser General Public License for more details.
*/
#include <xenctrl.h>
#include <xenguest.h>
#include <sys/mman.h>
#include <xen/hvm/hvm_info_table.h>
int hvm_build_set_params(int handle, uint32_t domid,
int apic, int acpi, int pae, int nx, int viridian,
int vcpus, int store_evtchn, unsigned long *store_mfn)
{
struct hvm_info_table *va_hvm;
uint8_t *va_map, sum;
int i;
va_map = xc_map_foreign_range(handle, domid,
XC_PAGE_SIZE, PROT_READ | PROT_WRITE,
HVM_INFO_PFN);
if (va_map == NULL)
return -1;
va_hvm = (struct hvm_info_table *)(va_map + HVM_INFO_OFFSET);
va_hvm->acpi_enabled = acpi;
va_hvm->apic_mode = apic;
va_hvm->nr_vcpus = vcpus;
for (i = 0, sum = 0; i < va_hvm->length; i++)
sum += ((uint8_t *) va_hvm)[i];
va_hvm->checksum -= sum;
munmap(va_map, XC_PAGE_SIZE);
xc_get_hvm_param(handle, domid, HVM_PARAM_STORE_PFN, store_mfn);
xc_set_hvm_param(handle, domid, HVM_PARAM_PAE_ENABLED, pae);
#if defined(__i386__) || defined(__x86_64__)
xc_set_hvm_param(handle, domid, HVM_PARAM_VIRIDIAN, viridian);
#endif
xc_set_hvm_param(handle, domid, HVM_PARAM_STORE_EVTCHN, store_evtchn);
return 0;
}
|
