qemu_conf.h 11.3 KB
Newer Older
D
Daniel P. Berrange 已提交
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
/*
 * config.h: VM configuration management
 *
 * Copyright (C) 2006, 2007 Red Hat, Inc.
 * 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 "internal.h"
28 29 30 31 32
#include "bridge.h"
#include "iptables.h"
#include <netinet/in.h>

#define qemudDebug(fmt, ...) do {} while(0)
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
/* Different types of QEMU acceleration possible */
enum qemud_vm_virt_type {
    QEMUD_VIRT_QEMU,
    QEMUD_VIRT_KQEMU,
    QEMUD_VIRT_KVM,
};

/* Two types of disk backends */
enum qemud_vm_disk_type {
    QEMUD_DISK_BLOCK,
    QEMUD_DISK_FILE
};

/* Three types of disk frontend */
enum qemud_vm_disk_device {
    QEMUD_DISK_DISK,
    QEMUD_DISK_CDROM,
    QEMUD_DISK_FLOPPY,
};

/* Stores the virtual disk configuration */
struct qemud_vm_disk_def {
    int type;
    int device;
    char src[PATH_MAX];
    char dst[NAME_MAX];
    int readonly;

    struct qemud_vm_disk_def *next;
};

#define QEMUD_MAC_ADDRESS_LEN 6
#define QEMUD_OS_TYPE_MAX_LEN 10
#define QEMUD_OS_ARCH_MAX_LEN 10
#define QEMUD_OS_MACHINE_MAX_LEN 10

/* 5 different types of networking config */
enum qemud_vm_net_type {
    QEMUD_NET_USER,
    QEMUD_NET_ETHERNET,
    QEMUD_NET_SERVER,
    QEMUD_NET_CLIENT,
    QEMUD_NET_MCAST,
    QEMUD_NET_NETWORK,
    QEMUD_NET_BRIDGE,
};

81 82 83 84 85
#define QEMUD_UUID_RAW_LEN 16
#define QEMUD_MAX_NAME_LEN 50
#define QEMUD_MAX_XML_LEN 4096
#define QEMUD_MAX_ERROR_LEN 1024

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
/* Stores the virtual network interface configuration */
struct qemud_vm_net_def {
    int type;
    unsigned char mac[QEMUD_MAC_ADDRESS_LEN];
    union {
        struct {
            char ifname[BR_IFNAME_MAXLEN];
            char script[PATH_MAX];
        } ethernet;
        struct {
            char address[BR_INET_ADDR_MAXLEN];
            int port;
        } socket; /* any of NET_CLIENT or NET_SERVER or NET_MCAST */
        struct {
            char name[QEMUD_MAX_NAME_LEN];
            char ifname[BR_IFNAME_MAXLEN];
        } network;
        struct {
            char brname[BR_IFNAME_MAXLEN];
            char ifname[BR_IFNAME_MAXLEN];
        } bridge;
    } dst;

    struct qemud_vm_net_def *next;
};

112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128

enum qemu_vm_input_type {
    QEMU_INPUT_TYPE_MOUSE,
    QEMU_INPUT_TYPE_TABLET,
};

enum qemu_vm_input_bus {
    QEMU_INPUT_BUS_PS2,
    QEMU_INPUT_BUS_USB,
};

struct qemud_vm_input_def {
    int type;
    int bus;
    struct qemud_vm_input_def *next;
};

129 130 131 132 133 134 135 136 137 138
#define QEMUD_MAX_BOOT_DEVS 4

/* 3 possible boot devices */
enum qemud_vm_boot_order {
    QEMUD_BOOT_FLOPPY,
    QEMUD_BOOT_CDROM,
    QEMUD_BOOT_DISK,
    QEMUD_BOOT_NET,
};
/* 3 possible graphics console modes */
139
enum qemud_vm_graphics_type {
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
    QEMUD_GRAPHICS_NONE,
    QEMUD_GRAPHICS_SDL,
    QEMUD_GRAPHICS_VNC,
};

/* Internal flags to keep track of qemu command line capabilities */
enum qemud_cmd_flags {
    QEMUD_CMD_FLAG_KQEMU = 1,
    QEMUD_CMD_FLAG_VNC_COLON = 2,
    QEMUD_CMD_FLAG_NO_REBOOT = 4,
};


enum qemud_vm_features {
    QEMUD_FEATURE_ACPI = 1,
};

/* Operating system configuration data & machine / arch */
struct qemud_vm_os_def {
    char type[QEMUD_OS_TYPE_MAX_LEN];
    char arch[QEMUD_OS_ARCH_MAX_LEN];
    char machine[QEMUD_OS_MACHINE_MAX_LEN];
    int nBootDevs;
    int bootDevs[QEMUD_MAX_BOOT_DEVS];
    char kernel[PATH_MAX];
    char initrd[PATH_MAX];
    char cmdline[PATH_MAX];
    char binary[PATH_MAX];
};

/* Guest VM main configuration */
struct qemud_vm_def {
    int virtType;
    unsigned char uuid[QEMUD_UUID_RAW_LEN];
    char name[QEMUD_MAX_NAME_LEN];

    int memory;
    int maxmem;
    int vcpus;

    int noReboot;

    struct qemud_vm_os_def os;

184
    int localtime;
185 186 187 188
    int features;
    int graphicsType;
    int vncPort;
    int vncActivePort;
189
    char vncListen[BR_INET_ADDR_MAXLEN];
190 191 192 193 194 195

    int ndisks;
    struct qemud_vm_disk_def *disks;

    int nnets;
    struct qemud_vm_net_def *nets;
196 197 198

    int ninputs;
    struct qemud_vm_input_def *inputs;
199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322
};

/* Guest VM runtime state */
struct qemud_vm {
    int stdout;
    int stderr;
    int monitor;
    int logfile;
    int pid;
    int id;
    int state;

    int *tapfds;
    int ntapfds;

    char configFile[PATH_MAX];
    char autostartLink[PATH_MAX];

    struct qemud_vm_def *def; /* The current definition */
    struct qemud_vm_def *newDef; /* New definition to activate at shutdown */

    unsigned int autostart : 1;

    struct qemud_vm *next;
};

/* Store start and end addresses of a dhcp range */
struct qemud_dhcp_range_def {
    char start[BR_INET_ADDR_MAXLEN];
    char end[BR_INET_ADDR_MAXLEN];

    struct qemud_dhcp_range_def *next;
};

/* Virtual Network main configuration */
struct qemud_network_def {
    unsigned char uuid[QEMUD_UUID_RAW_LEN];
    char name[QEMUD_MAX_NAME_LEN];

    char bridge[BR_IFNAME_MAXLEN];
    int disableSTP;
    int forwardDelay;

    int forward;
    char forwardDev[BR_IFNAME_MAXLEN];

    char ipAddress[BR_INET_ADDR_MAXLEN];
    char netmask[BR_INET_ADDR_MAXLEN];
    char network[BR_INET_ADDR_MAXLEN+BR_INET_ADDR_MAXLEN+1];

    int nranges;
    struct qemud_dhcp_range_def *ranges;
};

/* Virtual Network runtime state */
struct qemud_network {
    char configFile[PATH_MAX];
    char autostartLink[PATH_MAX];

    struct qemud_network_def *def; /* The current definition */
    struct qemud_network_def *newDef; /* New definition to activate at shutdown */

    char bridge[BR_IFNAME_MAXLEN];
    int dnsmasqPid;

    unsigned int active : 1;
    unsigned int autostart : 1;

    struct qemud_network *next;
};


/* Main driver state */
struct qemud_driver {
    int qemuVersion;
    int qemuCmdFlags; /* values from enum qemud_cmd_flags */
    int nactivevms;
    int ninactivevms;
    struct qemud_vm *vms;
    int nextvmid;
    int nactivenetworks;
    int ninactivenetworks;
    struct qemud_network *networks;
    brControl *brctl;
    iptablesContext *iptables;
    char *configDir;
    char *autostartDir;
    char *networkConfigDir;
    char *networkAutostartDir;
    char logDir[PATH_MAX];
};


static inline int
qemudIsActiveVM(struct qemud_vm *vm)
{
    return vm->id != -1;
}

static inline int
qemudIsActiveNetwork(struct qemud_network *network)
{
    return network->active;
}

void qemudReportError(virConnectPtr conn,
                      virDomainPtr dom,
                      virNetworkPtr net,
                      int code, const char *fmt, ...)
    ATTRIBUTE_FORMAT(printf,5,6);



struct qemud_vm *qemudFindVMByID(const struct qemud_driver *driver,
                                 int id);
struct qemud_vm *qemudFindVMByUUID(const struct qemud_driver *driver,
                                   const unsigned char *uuid);
struct qemud_vm *qemudFindVMByName(const struct qemud_driver *driver,
                                   const char *name);

struct qemud_network *qemudFindNetworkByUUID(const struct qemud_driver *driver,
                                             const unsigned char *uuid);
struct qemud_network *qemudFindNetworkByName(const struct qemud_driver *driver,
                                             const char *name);
D
Daniel P. Berrange 已提交
323

324 325 326 327
int         qemudExtractVersion         (virConnectPtr conn,
                                         struct qemud_driver *driver);
int         qemudBuildCommandLine       (virConnectPtr conn,
                                         struct qemud_driver *driver,
328 329
                                         struct qemud_vm *vm,
                                         char ***argv);
330

331
int         qemudScanConfigs            (struct qemud_driver *driver);
332 333
int         qemudDeleteConfig           (virConnectPtr conn,
                                         struct qemud_driver *driver,
334 335
                                         const char *configFile,
                                         const char *name);
336
int         qemudEnsureDir              (const char *path);
337

338 339
void        qemudFreeVMDef              (struct qemud_vm_def *vm);
void        qemudFreeVM                 (struct qemud_vm *vm);
340

341
struct qemud_vm *
342 343
            qemudAssignVMDef            (virConnectPtr conn,
                                         struct qemud_driver *driver,
344
                                         struct qemud_vm_def *def);
345
void        qemudRemoveInactiveVM       (struct qemud_driver *driver,
346 347 348
                                         struct qemud_vm *vm);

struct qemud_vm_def *
349 350
            qemudParseVMDef             (virConnectPtr conn,
                                         struct qemud_driver *driver,
351 352
                                         const char *xmlStr,
                                         const char *displayName);
353 354
int         qemudSaveVMDef              (virConnectPtr conn,
                                         struct qemud_driver *driver,
355 356
                                         struct qemud_vm *vm,
                                         struct qemud_vm_def *def);
357 358
char *      qemudGenerateXML            (virConnectPtr conn,
                                         struct qemud_driver *driver,
359 360 361 362 363 364 365 366
                                         struct qemud_vm *vm,
                                         struct qemud_vm_def *def,
                                         int live);

void        qemudFreeNetworkDef         (struct qemud_network_def *def);
void        qemudFreeNetwork            (struct qemud_network *network);

struct qemud_network *
367 368
            qemudAssignNetworkDef       (virConnectPtr conn,
                                         struct qemud_driver *driver,
369
                                         struct qemud_network_def *def);
370
void        qemudRemoveInactiveNetwork  (struct qemud_driver *driver,
371 372 373
                                         struct qemud_network *network);

struct qemud_network_def *
374 375
            qemudParseNetworkDef        (virConnectPtr conn,
                                         struct qemud_driver *driver,
376 377
                                         const char *xmlStr,
                                         const char *displayName);
378 379
int         qemudSaveNetworkDef         (virConnectPtr conn,
                                         struct qemud_driver *driver,
380 381
                                         struct qemud_network *network,
                                         struct qemud_network_def *def);
382 383
char *      qemudGenerateNetworkXML     (virConnectPtr conn,
                                         struct qemud_driver *driver,
384 385
                                         struct qemud_network *network,
                                         struct qemud_network_def *def);
D
Daniel P. Berrange 已提交
386

387 388 389 390 391 392 393 394
struct qemu_arch_info {
    const char *arch;
    int wordsize;
    const char **machines;
    const char *binary;
};
extern struct qemu_arch_info qemudArchs[];

D
Daniel P. Berrange 已提交
395 396 397 398 399 400 401 402 403 404
#endif

/*
 * Local variables:
 *  indent-tabs-mode: nil
 *  c-indent-level: 4
 *  c-basic-offset: 4
 *  tab-width: 4
 * End:
 */