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
|
/******************************************************************************
* xc_sedf.c
*
* API for manipulating parameters of the Simple EDF scheduler.
*
* changes by Stephan Diestelhorst
* based on code
* by Mark Williamson, Copyright (c) 2004 Intel Research Cambridge.
*
* This library 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 of the License.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "xc_private.h"
int xc_sedf_domain_set(
xc_interface *xch,
uint32_t domid,
uint64_t period,
uint64_t slice,
uint64_t latency,
uint16_t extratime,
uint16_t weight)
{
DECLARE_DOMCTL;
struct xen_domctl_sched_sedf *p = &domctl.u.scheduler_op.u.sedf;
domctl.cmd = XEN_DOMCTL_scheduler_op;
domctl.domain = (domid_t)domid;
domctl.u.scheduler_op.sched_id = XEN_SCHEDULER_SEDF;
domctl.u.scheduler_op.cmd = XEN_DOMCTL_SCHEDOP_putinfo;
p->period = period;
p->slice = slice;
p->latency = latency;
p->extratime = extratime;
p->weight = weight;
return do_domctl(xch, &domctl);
}
int xc_sedf_domain_get(
xc_interface *xch,
uint32_t domid,
uint64_t *period,
uint64_t *slice,
uint64_t *latency,
uint16_t *extratime,
uint16_t *weight)
{
DECLARE_DOMCTL;
int ret;
struct xen_domctl_sched_sedf *p = &domctl.u.scheduler_op.u.sedf;
domctl.cmd = XEN_DOMCTL_scheduler_op;
domctl.domain = (domid_t)domid;
domctl.u.scheduler_op.sched_id = XEN_SCHEDULER_SEDF;
domctl.u.scheduler_op.cmd = XEN_DOMCTL_SCHEDOP_getinfo;
ret = do_domctl(xch, &domctl);
*period = p->period;
*slice = p->slice;
*latency = p->latency;
*extratime = p->extratime;
*weight = p->weight;
return ret;
}
|