qemu_conf.h 11.8 KB
Newer Older
D
Daniel P. Berrange 已提交
1
/*
2
 * qemu_conf.h: QEMU configuration management
D
Daniel P. Berrange 已提交
3
 *
4
 * Copyright (C) 2006, 2007, 2009, 2010 Red Hat, Inc.
D
Daniel P. Berrange 已提交
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
 * Copyright (C) 2006 Daniel P. Berrange
 *
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
 *
 * Author: Daniel P. Berrange <berrange@redhat.com>
 */

24 25
#ifndef __QEMUD_CONF_H
#define __QEMUD_CONF_H
D
Daniel P. Berrange 已提交
26

27
#include <config.h>
28

29
#include "ebtables.h"
30
#include "internal.h"
31
#include "bridge.h"
32
#include "capabilities.h"
33
#include "network_conf.h"
34
#include "domain_conf.h"
35
#include "domain_event.h"
36
#include "threads.h"
37
#include "security/security_driver.h"
38
#include "cgroup.h"
39
#include "pci.h"
40 41
#include "cpu_conf.h"
#include "driver.h"
42 43

#define qemudDebug(fmt, ...) do {} while(0)
44

45
#define QEMUD_CPUMASK_LEN CPU_SETSIZE
46

47 48
/* Internal flags to keep track of qemu command line capabilities */
enum qemud_cmd_flags {
49 50 51 52 53 54 55 56 57 58 59 60 61
    QEMUD_CMD_FLAG_KQEMU          = (1 << 0), /* Whether KQEMU is compiled in */
    QEMUD_CMD_FLAG_VNC_COLON      = (1 << 1), /* Does the VNC take just port, or address + display */
    QEMUD_CMD_FLAG_NO_REBOOT      = (1 << 2), /* Is the -no-reboot flag available */
    QEMUD_CMD_FLAG_DRIVE          = (1 << 3), /* Is the new -drive arg available */
    QEMUD_CMD_FLAG_DRIVE_BOOT     = (1 << 4), /* Does -drive support boot=on */
    QEMUD_CMD_FLAG_NAME           = (1 << 5), /* Is the -name flag available */
    QEMUD_CMD_FLAG_UUID           = (1 << 6), /* Is the -uuid flag available */
    QEMUD_CMD_FLAG_DOMID          = (1 << 7), /* Xenner only, special -domid flag available */
    QEMUD_CMD_FLAG_VNET_HDR        = (1 << 8),
    QEMUD_CMD_FLAG_MIGRATE_KVM_STDIO = (1 << 9),  /* Original migration code from KVM. Also had tcp, but we can't use that
                                                   * since it had a design bug blocking the entire monitor console */
    QEMUD_CMD_FLAG_MIGRATE_QEMU_TCP  = (1 << 10), /* New migration syntax after merge to QEMU with TCP transport */
    QEMUD_CMD_FLAG_MIGRATE_QEMU_EXEC = (1 << 11), /* New migration syntax after merge to QEMU with EXEC transport */
62
    QEMUD_CMD_FLAG_DRIVE_CACHE_V2    = (1 << 12), /* Is the cache= flag wanting new v2 values */
63
    QEMUD_CMD_FLAG_KVM               = (1 << 13), /* Whether KVM is compiled in */
64
    QEMUD_CMD_FLAG_DRIVE_FORMAT      = (1 << 14), /* Is -drive format= avail */
65
    QEMUD_CMD_FLAG_VGA               = (1 << 15), /* Is -vga avail */
66 67 68 69 70

    /* features added in qemu-0.10.0 */
    QEMUD_CMD_FLAG_0_10         = (1 << 16),
    QEMUD_CMD_FLAG_NET_NAME     = QEMUD_CMD_FLAG_0_10, /* -net ...,name=str */
    QEMUD_CMD_FLAG_HOST_NET_ADD = QEMUD_CMD_FLAG_0_10, /* host_net_add monitor command */
71 72

    QEMUD_CMD_FLAG_PCIDEVICE     = (1 << 17), /* PCI device assignment only supported by qemu-kvm */
73
    QEMUD_CMD_FLAG_MEM_PATH      = (1 << 18), /* mmap'ped guest backing supported */
74
    QEMUD_CMD_FLAG_DRIVE_SERIAL  = (1 << 19), /* -driver serial=  available */
75
    QEMUD_CMD_FLAG_XEN_DOMID     = (1 << 20), /* -xen-domid (new style xen integration) */
76
    QEMUD_CMD_FLAG_MIGRATE_QEMU_UNIX = (1 << 21), /* Does qemu support unix domain sockets for migration? */
77
    QEMUD_CMD_FLAG_CHARDEV       = (1 << 22), /* Is the new -chardev arg available */
78
    QEMUD_CMD_FLAG_ENABLE_KVM    = (1 << 23), /* Is the -enable-kvm flag available to "enable KVM full virtualization support" */
79
    QEMUD_CMD_FLAG_MONITOR_JSON  = (1 << 24), /* JSON mode for monitor */
80
    QEMUD_CMD_FLAG_BALLOON       = (1 << 25), /* -balloon available */
81
    QEMUD_CMD_FLAG_DEVICE        = (1 << 26), /* Is the new -device arg available */
82
    QEMUD_CMD_FLAG_SDL           = (1 << 27), /* Is the new -sdl arg available */
83
    QEMUD_CMD_FLAG_SMP_TOPOLOGY  = (1 << 28), /* Is sockets=s,cores=c,threads=t available for -smp? */
84
    QEMUD_CMD_FLAG_NETDEV        = (1 << 29), /* The -netdev flag & netdev_add/remove monitor commands */
85 86 87 88
};

/* Main driver state */
struct qemud_driver {
89
    virMutex lock;
90

91 92
    int privileged;

93 94
    uid_t user;
    gid_t group;
95
    int dynamicOwnership;
96

97
    unsigned int qemuVersion;
98
    int nextvmid;
99

100
    virCgroupPtr cgroup;
101 102 103
    int cgroupControllers;
    char **cgroupDeviceACL;

104
    virDomainObjList domains;
105

106
    brControl *brctl;
107 108
    /* These four directories are ones libvirtd uses (so must be root:root
     * to avoid security risk from QEMU processes */
109 110
    char *configDir;
    char *autostartDir;
111
    char *logDir;
112
    char *stateDir;
113 114 115 116
    /* These two directories are ones QEMU processes use (so must match
     * the QEMU user/group */
    char *libDir;
    char *cacheDir;
117 118
    unsigned int vncTLS : 1;
    unsigned int vncTLSx509verify : 1;
119
    unsigned int vncSASL : 1;
D
Daniel P. Berrange 已提交
120
    char *vncTLSx509certdir;
121
    char *vncListen;
122
    char *vncPassword;
123
    char *vncSASLdir;
124 125
    char *hugetlbfs_mount;
    char *hugepage_path;
126

127 128 129
    unsigned int macFilter : 1;
    ebtablesContext *ebtables;

130 131
    unsigned int relaxedACS : 1;

132
    virCapsPtr caps;
133 134 135

    /* An array of callbacks */
    virDomainEventCallbackListPtr domainEventCallbacks;
136 137 138
    virDomainEventQueuePtr domainEventQueue;
    int domainEventTimer;
    int domainEventDispatching;
139 140 141

    char *securityDriverName;
    virSecurityDriverPtr securityDriver;
142 143
    virSecurityDriverPtr securityPrimaryDriver;
    virSecurityDriverPtr securitySecondaryDriver;
144 145

    char *saveImageFormat;
146 147

    pciDeviceList *activePciHostdevs;
148 149
};

150 151
typedef struct _qemuDomainPCIAddressSet qemuDomainPCIAddressSet;
typedef qemuDomainPCIAddressSet *qemuDomainPCIAddressSetPtr;
152

D
Daniel Veillard 已提交
153 154 155
/* Port numbers used for KVM migration. */
#define QEMUD_MIGRATION_FIRST_PORT 49152
#define QEMUD_MIGRATION_NUM_PORTS 64
156

157 158 159
/* Config type for XML import/export conversions */
#define QEMU_CONFIG_FORMAT_ARGV "qemu-argv"

160 161 162
#define qemuReportError(code, fmt...)                                   \
    virReportErrorHelper(NULL, VIR_FROM_QEMU, code, __FILE__,           \
                         __FUNCTION__, __LINE__, fmt)
163 164


D
Daniel P. Berrange 已提交
165 166
int qemudLoadDriverConfig(struct qemud_driver *driver,
                          const char *filename);
167

168
virCapsPtr  qemudCapsInit               (virCapsPtr old_caps);
169

170
int         qemudExtractVersion         (struct qemud_driver *driver);
171
int         qemudExtractVersionInfo     (const char *qemu,
172
                                         unsigned int *version,
173
                                         unsigned long long *qemuCmdFlags);
D
Daniel P. Berrange 已提交
174

175
int         qemudParseHelpStr           (const char *str,
176
                                         unsigned long long *qemuCmdFlags,
177 178 179 180
                                         unsigned int *version,
                                         unsigned int *is_kvm,
                                         unsigned int *kvm_version);

181
int         qemudBuildCommandLine       (virConnectPtr conn,
182
                                         struct qemud_driver *driver,
183
                                         virDomainDefPtr def,
184
                                         virDomainChrDefPtr monitor_chr,
D
Daniel P. Berrange 已提交
185
                                         int monitor_json,
186
                                         unsigned long long qemuCmdFlags,
187 188
                                         const char ***retargv,
                                         const char ***retenv,
189 190
                                         int **tapfds,
                                         int *ntapfds,
191 192
                                         const char *migrateFrom)
    ATTRIBUTE_NONNULL(1);
193

194
/* With vlan == -1, use netdev syntax, else old hostnet */
195
char * qemuBuildHostNetStr(virDomainNetDefPtr net,
196 197 198
                           char type_sep,
                           int vlan,
                           const char *tapfd);
M
Mark McLoughlin 已提交
199

200
/* Legacy, pre device support */
201
char * qemuBuildNicStr(virDomainNetDefPtr net,
202 203 204 205
                       const char *prefix,
                       int vlan);

/* Current, best practice */
206
char * qemuBuildNicDevStr(virDomainNetDefPtr net,
207
                          int vlan);
208 209 210 211

/* Both legacy & current support */
char *qemuBuildDriveStr(virDomainDiskDefPtr disk,
                        int bootable,
212
                        unsigned long long qemuCmdFlags);
213 214

/* Current, best practice */
215
char * qemuBuildDriveDevStr(virDomainDiskDefPtr disk);
216 217 218 219 220 221 222 223 224
/* Current, best practice */
char * qemuBuildControllerDevStr(virDomainControllerDefPtr def);

char * qemuBuildWatchdogDevStr(virDomainWatchdogDefPtr dev);

char * qemuBuildUSBInputDevStr(virDomainInputDefPtr dev);

char * qemuBuildSoundDevStr(virDomainSoundDefPtr sound);

225 226 227
/* Legacy, pre device support */
char * qemuBuildPCIHostdevPCIDevStr(virDomainHostdevDefPtr dev);
/* Current, best practice */
228 229
char * qemuBuildPCIHostdevDevStr(virDomainHostdevDefPtr dev);

230
/* Current, best practice */
231
char * qemuBuildChrChardevStr(virDomainChrDefPtr dev);
232
/* Legacy, pre device support */
233
char * qemuBuildChrArgStr(virDomainChrDefPtr dev, const char *prefix);
M
Mark McLoughlin 已提交
234

235 236 237 238 239
/* Legacy, pre device support */
char * qemuBuildUSBHostdevUsbDevStr(virDomainHostdevDefPtr dev);
/* Current, best practice */
char * qemuBuildUSBHostdevDevStr(virDomainHostdevDefPtr dev);

240 241


242 243 244
int         qemudNetworkIfaceConnect    (virConnectPtr conn,
                                         struct qemud_driver *driver,
                                         virDomainNetDefPtr net,
245 246
                                         unsigned long long qemuCmdFlags)
    ATTRIBUTE_NONNULL(1);
247

248 249 250 251
int         qemudProbeMachineTypes      (const char *binary,
                                         virCapsGuestMachinePtr **machines,
                                         int *nmachines);

252 253 254 255 256
int         qemudProbeCPUModels         (const char *qemu,
                                         const char *arch,
                                         unsigned int *count,
                                         const char ***cpus);

257 258 259
int         qemudCanonicalizeMachine    (struct qemud_driver *driver,
                                         virDomainDefPtr def);

260
virDomainDefPtr qemuParseCommandLine(virCapsPtr caps,
261 262
                                     const char **progenv,
                                     const char **progargv);
263
virDomainDefPtr qemuParseCommandLineString(virCapsPtr caps,
264 265
                                           const char *args);

266
qemuDomainPCIAddressSetPtr qemuDomainPCIAddressSetCreate(virDomainDefPtr def);
267 268 269 270
int qemuDomainPCIAddressReserveSlot(qemuDomainPCIAddressSetPtr addrs,
                                    int slot);
int qemuDomainPCIAddressReserveAddr(qemuDomainPCIAddressSetPtr addrs,
                                    virDomainDeviceInfoPtr dev);
271 272
int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs,
                                    virDomainDeviceInfoPtr dev);
273 274 275 276 277
int qemuDomainPCIAddressEnsureAddr(qemuDomainPCIAddressSetPtr addrs,
                                   virDomainDeviceInfoPtr dev);
int qemuDomainPCIAddressReleaseAddr(qemuDomainPCIAddressSetPtr addrs,
                                    virDomainDeviceInfoPtr dev);

278 279 280
void qemuDomainPCIAddressSetFree(qemuDomainPCIAddressSetPtr addrs);
int  qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs);

281
int qemuDomainNetVLAN(virDomainNetDefPtr def);
282
int qemuAssignDeviceNetAlias(virDomainDefPtr def, virDomainNetDefPtr net, int idx);
283
int qemuAssignDeviceDiskAlias(virDomainDiskDefPtr def, unsigned long long qemuCmdFlags);
284 285
int qemuAssignDeviceHostdevAlias(virDomainDefPtr def, virDomainHostdevDefPtr net, int idx);
int qemuAssignDeviceControllerAlias(virDomainControllerDefPtr controller);
286 287


288
#endif /* __QEMUD_CONF_H */