blob: 877db2f86e2aa13bcb420b19272d5ee50059c81a (
plain)
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
|
/******************************************************************************
* tools/xenpaging/xenpaging.h
*
* Xen domain paging.
*
* Copyright (c) 2009 Citrix Systems, Inc. (Patrick Colp)
*
* 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. 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __XEN_PAGING2_H__
#define __XEN_PAGING2_H__
#include <xc_private.h>
#include <xen/event_channel.h>
#include <xen/mem_event.h>
#define XENPAGING_PAGEIN_QUEUE_SIZE 64
struct mem_event {
domid_t domain_id;
xc_evtchn *xce_handle;
int port;
mem_event_back_ring_t back_ring;
uint32_t evtchn_port;
void *ring_page;
};
struct xenpaging {
xc_interface *xc_handle;
struct xs_handle *xs_handle;
unsigned long *bitmap;
unsigned long *slot_to_gfn;
int *gfn_to_slot;
void *paging_buffer;
struct mem_event mem_event;
int fd;
/* number of pages for which data structures were allocated */
int max_pages;
int num_paged_out;
int target_tot_pages;
int policy_mru_size;
int use_poll_timeout;
int debug;
int stack_count;
int *free_slot_stack;
unsigned long pagein_queue[XENPAGING_PAGEIN_QUEUE_SIZE];
};
extern void create_page_in_thread(struct xenpaging *paging);
extern void page_in_trigger(void);
#endif // __XEN_PAGING_H__
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
|
