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
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* qemu_migration_cookie.h: QEMU migration cookie handling
*
* 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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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, see
* <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "qemu_domain.h"
#include "qemu_migration_params.h"
#include "virenum.h"
typedef enum {
QEMU_MIGRATION_COOKIE_FLAG_GRAPHICS,
QEMU_MIGRATION_COOKIE_FLAG_LOCKSTATE,
QEMU_MIGRATION_COOKIE_FLAG_PERSISTENT,
QEMU_MIGRATION_COOKIE_FLAG_NETWORK,
QEMU_MIGRATION_COOKIE_FLAG_NBD,
QEMU_MIGRATION_COOKIE_FLAG_STATS,
QEMU_MIGRATION_COOKIE_FLAG_MEMORY_HOTPLUG,
QEMU_MIGRATION_COOKIE_FLAG_CPU_HOTPLUG,
QEMU_MIGRATION_COOKIE_FLAG_CPU,
QEMU_MIGRATION_COOKIE_FLAG_ALLOW_REBOOT,
QEMU_MIGRATION_COOKIE_FLAG_CAPS,
QEMU_MIGRATION_COOKIE_FLAG_BLOCK_DIRTY_BITMAPS,
QEMU_MIGRATION_COOKIE_FLAG_LAST
} qemuMigrationCookieFlags;
VIR_ENUM_DECL(qemuMigrationCookieFlag);
typedef enum {
QEMU_MIGRATION_COOKIE_GRAPHICS = (1 << QEMU_MIGRATION_COOKIE_FLAG_GRAPHICS),
QEMU_MIGRATION_COOKIE_LOCKSTATE = (1 << QEMU_MIGRATION_COOKIE_FLAG_LOCKSTATE),
QEMU_MIGRATION_COOKIE_PERSISTENT = (1 << QEMU_MIGRATION_COOKIE_FLAG_PERSISTENT),
QEMU_MIGRATION_COOKIE_NETWORK = (1 << QEMU_MIGRATION_COOKIE_FLAG_NETWORK),
QEMU_MIGRATION_COOKIE_NBD = (1 << QEMU_MIGRATION_COOKIE_FLAG_NBD),
QEMU_MIGRATION_COOKIE_STATS = (1 << QEMU_MIGRATION_COOKIE_FLAG_STATS),
QEMU_MIGRATION_COOKIE_MEMORY_HOTPLUG = (1 << QEMU_MIGRATION_COOKIE_FLAG_MEMORY_HOTPLUG),
QEMU_MIGRATION_COOKIE_CPU_HOTPLUG = (1 << QEMU_MIGRATION_COOKIE_FLAG_CPU_HOTPLUG),
QEMU_MIGRATION_COOKIE_CPU = (1 << QEMU_MIGRATION_COOKIE_FLAG_CPU),
QEMU_MIGRATION_COOKIE_CAPS = (1 << QEMU_MIGRATION_COOKIE_FLAG_CAPS),
QEMU_MIGRATION_COOKIE_BLOCK_DIRTY_BITMAPS = (1 << QEMU_MIGRATION_COOKIE_FLAG_BLOCK_DIRTY_BITMAPS),
} qemuMigrationCookieFeatures;
typedef struct _qemuMigrationCookieGraphics qemuMigrationCookieGraphics;
struct _qemuMigrationCookieGraphics {
int type;
int port;
int tlsPort;
char *listen;
char *tlsSubject;
};
typedef struct _qemuMigrationCookieNetData qemuMigrationCookieNetData;
struct _qemuMigrationCookieNetData {
int vporttype; /* enum virNetDevVPortProfile */
/*
* Array of pointers to saved data. Each VIF will have its own
* data to transfer.
*/
char *portdata;
};
typedef struct _qemuMigrationCookieNetwork qemuMigrationCookieNetwork;
struct _qemuMigrationCookieNetwork {
/* How many virtual NICs are we saving data for? */
int nnets;
qemuMigrationCookieNetData *net;
};
struct qemuMigrationCookieNBDDisk {
char *target; /* Disk target */
unsigned long long capacity; /* And its capacity */
};
typedef struct _qemuMigrationCookieNBD qemuMigrationCookieNBD;
struct _qemuMigrationCookieNBD {
int port; /* on which port does NBD server listen for incoming data */
size_t ndisks; /* Number of items in @disk array */
struct qemuMigrationCookieNBDDisk *disks;
};
typedef struct _qemuMigrationCookieCaps qemuMigrationCookieCaps;
struct _qemuMigrationCookieCaps {
virBitmap *supported;
virBitmap *automatic;
};
typedef struct _qemuMigrationBlockDirtyBitmapsDiskBitmap qemuMigrationBlockDirtyBitmapsDiskBitmap;
struct _qemuMigrationBlockDirtyBitmapsDiskBitmap {
/* config */
char *bitmapname;
char *alias;
/* runtime */
virTristateBool persistent; /* force persisting of the bitmap */
char *sourcebitmap; /* optional, actual bitmap to migrate in case we needed
to create a temporary one by merging */
bool skip; /* omit this bitmap */
};
typedef struct _qemuMigrationBlockDirtyBitmapsDisk qemuMigrationBlockDirtyBitmapsDisk;
struct _qemuMigrationBlockDirtyBitmapsDisk {
char *target;
GSList *bitmaps;
/* runtime data */
virDomainDiskDef *disk; /* disk object corresponding to 'target' */
const char *nodename; /* nodename of the top level source of 'disk' */
bool skip; /* omit this disk */
};
typedef struct _qemuMigrationCookie qemuMigrationCookie;
struct _qemuMigrationCookie {
unsigned int flags;
unsigned int flagsMandatory;
/* Host properties */
unsigned char localHostuuid[VIR_UUID_BUFLEN];
unsigned char remoteHostuuid[VIR_UUID_BUFLEN];
char *localHostname;
char *remoteHostname;
/* Guest properties */
unsigned char uuid[VIR_UUID_BUFLEN];
char *name;
/* If (flags & QEMU_MIGRATION_COOKIE_LOCKSTATE) */
char *lockState;
char *lockDriver;
/* If (flags & QEMU_MIGRATION_COOKIE_GRAPHICS) */
qemuMigrationCookieGraphics *graphics;
/* If (flags & QEMU_MIGRATION_COOKIE_PERSISTENT) */
virDomainDef *persistent;
/* If (flags & QEMU_MIGRATION_COOKIE_NETWORK) */
qemuMigrationCookieNetwork *network;
/* If (flags & QEMU_MIGRATION_COOKIE_NBD) */
qemuMigrationCookieNBD *nbd;
/* If (flags & QEMU_MIGRATION_COOKIE_STATS) */
virDomainJobData *jobData;
/* If flags & QEMU_MIGRATION_COOKIE_CPU */
virCPUDef *cpu;
/* If flags & QEMU_MIGRATION_COOKIE_CAPS */
qemuMigrationCookieCaps *caps;
/* If flags & QEMU_MIGRATION_COOKIE_BLOCK_DIRTY_BITMAPS */
GSList *blockDirtyBitmaps;
};
qemuMigrationCookie *
qemuMigrationCookieNew(const virDomainDef *def,
const char *origname);
int
qemuMigrationCookieFormat(qemuMigrationCookie *mig,
virQEMUDriver *driver,
virDomainObj *dom,
qemuMigrationParty party,
char **cookieout,
int *cookieoutlen,
unsigned int flags);
qemuMigrationCookie *
qemuMigrationCookieParse(virQEMUDriver *driver,
virDomainObj *vm,
const virDomainDef *def,
const char *origname,
virQEMUCaps *qemuCaps,
const char *cookiein,
int cookieinlen,
unsigned int flags);
void
qemuMigrationCookieFree(qemuMigrationCookie *mig);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(qemuMigrationCookie, qemuMigrationCookieFree);
int
qemuMigrationCookieAddPersistent(qemuMigrationCookie *mig,
virDomainDef **def);
virDomainDef *
qemuMigrationCookieGetPersistent(qemuMigrationCookie *mig);
/* qemuMigrationCookieXMLFormat is exported for test use only! */
int
qemuMigrationCookieXMLFormat(virQEMUDriver *driver,
virQEMUCaps *qemuCaps,
virBuffer *buf,
qemuMigrationCookie *mig);
int
qemuMigrationCookieBlockDirtyBitmapsMatchDisks(virDomainDef *def,
GSList *disks);
int
qemuMigrationCookieBlockDirtyBitmapsToParams(GSList *disks,
virJSONValue **mapping);
|
