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libvirt/src/xenxs/xen_xm.c

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Moved XM parsing functions to xenxs
2011-02-21 13:40:10 +00:00
/*
* xen_xm.c: Xen XM parsing functions
*
* Copyright (C) 2011 Univention GmbH
* Copyright (C) 2006-2007, 2009-2010 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>
* Author: Markus Groß <gross@univention.de>
*/
#include <config.h>
#include "internal.h"
#include "virterror_internal.h"
#include "conf.h"
#include "memory.h"
#include "verify.h"
#include "uuid.h"
#include "sexpr.h"
#include "count-one-bits.h"
#include "xenxs_private.h"
#include "xen_xm.h"
#include "xen_sxpr.h"
/* Convenience method to grab a int from the config file object */
static int xenXMConfigGetBool(virConfPtr conf,
const char *name,
int *value,
int def) {
virConfValuePtr val;
*value = 0;
if (!(val = virConfGetValue(conf, name))) {
*value = def;
return 0;
}
if (val->type == VIR_CONF_LONG) {
*value = val->l ? 1 : 0;
} else if (val->type == VIR_CONF_STRING) {
*value = STREQ(val->str, "1") ? 1 : 0;
} else {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("config value %s was malformed"), name);
return -1;
}
return 0;
}
/* Convenience method to grab a int from the config file object */
static int xenXMConfigGetULong(virConfPtr conf,
const char *name,
unsigned long *value,
int def) {
virConfValuePtr val;
*value = 0;
if (!(val = virConfGetValue(conf, name))) {
*value = def;
return 0;
}
if (val->type == VIR_CONF_LONG) {
*value = val->l;
} else if (val->type == VIR_CONF_STRING) {
char *ret;
*value = strtol(val->str, &ret, 10);
if (ret == val->str) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("config value %s was malformed"), name);
return -1;
}
} else {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("config value %s was malformed"), name);
return -1;
}
return 0;
}
/* Convenience method to grab a string from the config file object */
static int xenXMConfigGetString(virConfPtr conf,
const char *name,
const char **value,
const char *def) {
virConfValuePtr val;
*value = NULL;
if (!(val = virConfGetValue(conf, name))) {
*value = def;
return 0;
}
if (val->type != VIR_CONF_STRING) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("config value %s was malformed"), name);
return -1;
}
if (!val->str)
*value = def;
else
*value = val->str;
return 0;
}
static int xenXMConfigCopyStringInternal(virConfPtr conf,
const char *name,
char **value,
int allowMissing) {
virConfValuePtr val;
*value = NULL;
if (!(val = virConfGetValue(conf, name))) {
if (allowMissing)
return 0;
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("config value %s was missing"), name);
return -1;
}
if (val->type != VIR_CONF_STRING) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("config value %s was not a string"), name);
return -1;
}
if (!val->str) {
if (allowMissing)
return 0;
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("config value %s was missing"), name);
return -1;
}
if (!(*value = strdup(val->str))) {
virReportOOMError();
return -1;
}
return 0;
}
static int xenXMConfigCopyString(virConfPtr conf,
const char *name,
char **value) {
return xenXMConfigCopyStringInternal(conf, name, value, 0);
}
static int xenXMConfigCopyStringOpt(virConfPtr conf,
const char *name,
char **value) {
return xenXMConfigCopyStringInternal(conf, name, value, 1);
}
/* Convenience method to grab a string UUID from the config file object */
static int xenXMConfigGetUUID(virConfPtr conf, const char *name, unsigned char *uuid) {
virConfValuePtr val;
if (!uuid || !name || !conf)
return (-1);
if (!(val = virConfGetValue(conf, name))) {
return (-1);
}
if (val->type != VIR_CONF_STRING)
return (-1);
if (!val->str)
return (-1);
if (virUUIDParse(val->str, uuid) < 0)
return (-1);
return (0);
}
#define MAX_VFB 1024
/*
* Turn a config record into a lump of XML describing the
* domain, suitable for later feeding for virDomainCreateXML
*/
virDomainDefPtr
xenXMDomainConfigParse(virConfPtr conf, int xendConfigVersion,
virCapsPtr caps) {
const char *str;
int hvm = 0;
int val;
virConfValuePtr list;
virDomainDefPtr def = NULL;
virDomainDiskDefPtr disk = NULL;
virDomainNetDefPtr net = NULL;
virDomainGraphicsDefPtr graphics = NULL;
virDomainHostdevDefPtr hostdev = NULL;
int i;
const char *defaultArch, *defaultMachine;
int vmlocaltime = 0;
unsigned long count;
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
return NULL;
}
def->virtType = VIR_DOMAIN_VIRT_XEN;
def->id = -1;
if (xenXMConfigCopyString(conf, "name", &def->name) < 0)
goto cleanup;
if (xenXMConfigGetUUID(conf, "uuid", def->uuid) < 0)
goto cleanup;
if ((xenXMConfigGetString(conf, "builder", &str, "linux") == 0) &&
STREQ(str, "hvm"))
hvm = 1;
if (!(def->os.type = strdup(hvm ? "hvm" : "xen")))
goto no_memory;
defaultArch = virCapabilitiesDefaultGuestArch(caps, def->os.type, virDomainVirtTypeToString(def->virtType));
if (defaultArch == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("no supported architecture for os type '%s'"),
def->os.type);
goto cleanup;
}
if (!(def->os.arch = strdup(defaultArch)))
goto no_memory;
defaultMachine = virCapabilitiesDefaultGuestMachine(caps,
def->os.type,
def->os.arch,
virDomainVirtTypeToString(def->virtType));
if (defaultMachine != NULL) {
if (!(def->os.machine = strdup(defaultMachine)))
goto no_memory;
}
if (hvm) {
const char *boot;
if (xenXMConfigCopyString(conf, "kernel", &def->os.loader) < 0)
goto cleanup;
if (xenXMConfigGetString(conf, "boot", &boot, "c") < 0)
goto cleanup;
for (i = 0 ; i < VIR_DOMAIN_BOOT_LAST && boot[i] ; i++) {
switch (*boot) {
case 'a':
def->os.bootDevs[i] = VIR_DOMAIN_BOOT_FLOPPY;
break;
case 'd':
def->os.bootDevs[i] = VIR_DOMAIN_BOOT_CDROM;
break;
case 'n':
def->os.bootDevs[i] = VIR_DOMAIN_BOOT_NET;
break;
case 'c':
default:
def->os.bootDevs[i] = VIR_DOMAIN_BOOT_DISK;
break;
}
def->os.nBootDevs++;
}
} else {
if (xenXMConfigCopyStringOpt(conf, "bootloader", &def->os.bootloader) < 0)
goto cleanup;
if (xenXMConfigCopyStringOpt(conf, "bootargs", &def->os.bootloaderArgs) < 0)
goto cleanup;
if (xenXMConfigCopyStringOpt(conf, "kernel", &def->os.kernel) < 0)
goto cleanup;
if (xenXMConfigCopyStringOpt(conf, "ramdisk", &def->os.initrd) < 0)
goto cleanup;
if (xenXMConfigCopyStringOpt(conf, "extra", &def->os.cmdline) < 0)
goto cleanup;
}
if (xenXMConfigGetULong(conf, "memory", &def->mem.cur_balloon,
MIN_XEN_GUEST_SIZE * 2) < 0)
goto cleanup;
if (xenXMConfigGetULong(conf, "maxmem", &def->mem.max_balloon,
def->mem.cur_balloon) < 0)
goto cleanup;
def->mem.cur_balloon *= 1024;
def->mem.max_balloon *= 1024;
if (xenXMConfigGetULong(conf, "vcpus", &count, 1) < 0 ||
MAX_VIRT_CPUS < count)
goto cleanup;
def->maxvcpus = count;
if (xenXMConfigGetULong(conf, "vcpu_avail", &count, -1) < 0)
goto cleanup;
def->vcpus = MIN(count_one_bits_l(count), def->maxvcpus);
if (xenXMConfigGetString(conf, "cpus", &str, NULL) < 0)
goto cleanup;
if (str) {
def->cpumasklen = 4096;
if (VIR_ALLOC_N(def->cpumask, def->cpumasklen) < 0)
goto no_memory;
if (virDomainCpuSetParse(&str, 0,
def->cpumask, def->cpumasklen) < 0)
goto cleanup;
}
if (xenXMConfigGetString(conf, "on_poweroff", &str, "destroy") < 0)
goto cleanup;
if ((def->onPoweroff = virDomainLifecycleTypeFromString(str)) < 0) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("unexpected value %s for on_poweroff"), str);
goto cleanup;
}
if (xenXMConfigGetString(conf, "on_reboot", &str, "restart") < 0)
goto cleanup;
if ((def->onReboot = virDomainLifecycleTypeFromString(str)) < 0) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("unexpected value %s for on_reboot"), str);
goto cleanup;
}
if (xenXMConfigGetString(conf, "on_crash", &str, "restart") < 0)
goto cleanup;
if ((def->onCrash = virDomainLifecycleCrashTypeFromString(str)) < 0) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("unexpected value %s for on_crash"), str);
goto cleanup;
}
if (hvm) {
if (xenXMConfigGetBool(conf, "pae", &val, 0) < 0)
goto cleanup;
else if (val)
def->features |= (1 << VIR_DOMAIN_FEATURE_PAE);
if (xenXMConfigGetBool(conf, "acpi", &val, 0) < 0)
goto cleanup;
else if (val)
def->features |= (1 << VIR_DOMAIN_FEATURE_ACPI);
if (xenXMConfigGetBool(conf, "apic", &val, 0) < 0)
goto cleanup;
else if (val)
def->features |= (1 << VIR_DOMAIN_FEATURE_APIC);
if (xenXMConfigGetBool(conf, "hap", &val, 0) < 0)
goto cleanup;
else if (val)
def->features |= (1 << VIR_DOMAIN_FEATURE_HAP);
}
if (xenXMConfigGetBool(conf, "localtime", &vmlocaltime, 0) < 0)
goto cleanup;
def->clock.offset = vmlocaltime ?
VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME :
VIR_DOMAIN_CLOCK_OFFSET_UTC;
if (xenXMConfigCopyStringOpt(conf, "device_model", &def->emulator) < 0)
goto cleanup;
list = virConfGetValue(conf, "disk");
if (list && list->type == VIR_CONF_LIST) {
list = list->list;
while (list) {
char *head;
char *offset;
char *tmp;
if ((list->type != VIR_CONF_STRING) || (list->str == NULL))
goto skipdisk;
head = list->str;
if (VIR_ALLOC(disk) < 0)
goto no_memory;
/*
* Disks have 3 components, SOURCE,DEST-DEVICE,MODE
* eg, phy:/dev/HostVG/XenGuest1,xvda,w
* The SOURCE is usually prefixed with a driver type,
* and optionally driver sub-type
* The DEST-DEVICE is optionally post-fixed with disk type
*/
/* Extract the source file path*/
if (!(offset = strchr(head, ',')))
goto skipdisk;
if ((offset - head) >= (PATH_MAX-1))
goto skipdisk;
if (offset == head) {
disk->src = NULL; /* No source file given, eg CDROM with no media */
} else {
if (VIR_ALLOC_N(disk->src, (offset - head) + 1) < 0)
goto no_memory;
if (virStrncpy(disk->src, head, offset - head,
(offset - head) + 1) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Source file %s too big for destination"),
head);
goto cleanup;
}
}
head = offset + 1;
/* Remove legacy ioemu: junk */
if (STRPREFIX(head, "ioemu:"))
head = head + 6;
/* Extract the dest device name */
if (!(offset = strchr(head, ',')))
goto skipdisk;
if (VIR_ALLOC_N(disk->dst, (offset - head) + 1) < 0)
goto no_memory;
if (virStrncpy(disk->dst, head, offset - head,
(offset - head) + 1) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Dest file %s too big for destination"), head);
goto cleanup;
}
head = offset + 1;
/* Extract source driver type */
if (disk->src) {
/* The main type phy:, file:, tap: ... */
if ((tmp = strchr(disk->src, ':')) != NULL) {
if (VIR_ALLOC_N(disk->driverName, (tmp - disk->src) + 1) < 0)
goto no_memory;
if (virStrncpy(disk->driverName, disk->src,
(tmp - disk->src),
(tmp - disk->src) + 1) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Driver name %s too big for destination"),
disk->src);
goto cleanup;
}
/* Strip the prefix we found off the source file name */
memmove(disk->src, disk->src+(tmp-disk->src)+1,
strlen(disk->src)-(tmp-disk->src));
}
/* And the sub-type for tap:XXX: type */
if (disk->driverName &&
STREQ(disk->driverName, "tap")) {
if (!(tmp = strchr(disk->src, ':')))
goto skipdisk;
if (VIR_ALLOC_N(disk->driverType, (tmp - disk->src) + 1) < 0)
goto no_memory;
if (virStrncpy(disk->driverType, disk->src,
(tmp - disk->src),
(tmp - disk->src) + 1) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Driver type %s too big for destination"),
disk->src);
goto cleanup;
}
/* Strip the prefix we found off the source file name */
memmove(disk->src, disk->src+(tmp-disk->src)+1,
strlen(disk->src)-(tmp-disk->src));
}
}
/* No source, or driver name, so fix to phy: */
if (!disk->driverName &&
!(disk->driverName = strdup("phy")))
goto no_memory;
/* phy: type indicates a block device */
disk->type = STREQ(disk->driverName, "phy") ?
VIR_DOMAIN_DISK_TYPE_BLOCK : VIR_DOMAIN_DISK_TYPE_FILE;
/* Check for a :cdrom/:disk postfix */
disk->device = VIR_DOMAIN_DISK_DEVICE_DISK;
if ((tmp = strchr(disk->dst, ':')) != NULL) {
if (STREQ(tmp, ":cdrom"))
disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
tmp[0] = '\0';
}
if (STRPREFIX(disk->dst, "xvd") || !hvm) {
disk->bus = VIR_DOMAIN_DISK_BUS_XEN;
} else if (STRPREFIX(disk->dst, "sd")) {
disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
} else {
disk->bus = VIR_DOMAIN_DISK_BUS_IDE;
}
if (STREQ(head, "r") ||
STREQ(head, "ro"))
disk->readonly = 1;
else if ((STREQ(head, "w!")) ||
(STREQ(head, "!")))
disk->shared = 1;
/* Maintain list in sorted order according to target device name */
if (VIR_REALLOC_N(def->disks, def->ndisks+1) < 0)
goto no_memory;
def->disks[def->ndisks++] = disk;
disk = NULL;
skipdisk:
list = list->next;
virDomainDiskDefFree(disk);
}
}
if (hvm && xendConfigVersion == 1) {
if (xenXMConfigGetString(conf, "cdrom", &str, NULL) < 0)
goto cleanup;
if (str) {
if (VIR_ALLOC(disk) < 0)
goto no_memory;
disk->type = VIR_DOMAIN_DISK_TYPE_FILE;
disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
if (!(disk->driverName = strdup("file")))
goto no_memory;
if (!(disk->src = strdup(str)))
goto no_memory;
if (!(disk->dst = strdup("hdc")))
goto no_memory;
disk->bus = VIR_DOMAIN_DISK_BUS_IDE;
disk->readonly = 1;
if (VIR_REALLOC_N(def->disks, def->ndisks+1) < 0)
goto no_memory;
def->disks[def->ndisks++] = disk;
disk = NULL;
}
}
list = virConfGetValue(conf, "vif");
if (list && list->type == VIR_CONF_LIST) {
list = list->list;
while (list) {
char script[PATH_MAX];
char model[10];
char type[10];
char ip[16];
char mac[18];
char bridge[50];
char vifname[50];
char *key;
bridge[0] = '\0';
mac[0] = '\0';
script[0] = '\0';
ip[0] = '\0';
model[0] = '\0';
type[0] = '\0';
vifname[0] = '\0';
if ((list->type != VIR_CONF_STRING) || (list->str == NULL))
goto skipnic;
key = list->str;
while (key) {
char *data;
char *nextkey = strchr(key, ',');
if (!(data = strchr(key, '=')))
goto skipnic;
data++;
if (STRPREFIX(key, "mac=")) {
int len = nextkey ? (nextkey - data) : sizeof(mac) - 1;
if (virStrncpy(mac, data, len, sizeof(mac)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("MAC address %s too big for destination"),
data);
goto skipnic;
}
} else if (STRPREFIX(key, "bridge=")) {
int len = nextkey ? (nextkey - data) : sizeof(bridge) - 1;
if (virStrncpy(bridge, data, len, sizeof(bridge)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Bridge %s too big for destination"),
data);
goto skipnic;
}
} else if (STRPREFIX(key, "script=")) {
int len = nextkey ? (nextkey - data) : sizeof(script) - 1;
if (virStrncpy(script, data, len, sizeof(script)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Script %s too big for destination"),
data);
goto skipnic;
}
} else if (STRPREFIX(key, "model=")) {
int len = nextkey ? (nextkey - data) : sizeof(model) - 1;
if (virStrncpy(model, data, len, sizeof(model)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Model %s too big for destination"), data);
goto skipnic;
}
} else if (STRPREFIX(key, "type=")) {
int len = nextkey ? (nextkey - data) : sizeof(type) - 1;
if (virStrncpy(type, data, len, sizeof(type)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Type %s too big for destination"), data);
goto skipnic;
}
} else if (STRPREFIX(key, "vifname=")) {
int len = nextkey ? (nextkey - data) : sizeof(vifname) - 1;
if (virStrncpy(vifname, data, len, sizeof(vifname)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Vifname %s too big for destination"),
data);
goto skipnic;
}
} else if (STRPREFIX(key, "ip=")) {
int len = nextkey ? (nextkey - data) : sizeof(ip) - 1;
if (virStrncpy(ip, data, len, sizeof(ip)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("IP %s too big for destination"), data);
goto skipnic;
}
}
while (nextkey && (nextkey[0] == ',' ||
nextkey[0] == ' ' ||
nextkey[0] == '\t'))
nextkey++;
key = nextkey;
}
if (VIR_ALLOC(net) < 0)
goto no_memory;
if (mac[0]) {
if (virParseMacAddr(mac, net->mac) < 0) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("malformed mac address '%s'"), mac);
goto cleanup;
}
}
if (bridge[0] || STREQ(script, "vif-bridge") ||
STREQ(script, "vif-vnic")) {
net->type = VIR_DOMAIN_NET_TYPE_BRIDGE;
} else {
net->type = VIR_DOMAIN_NET_TYPE_ETHERNET;
}
if (net->type == VIR_DOMAIN_NET_TYPE_BRIDGE) {
if (bridge[0] &&
!(net->data.bridge.brname = strdup(bridge)))
goto no_memory;
if (script[0] &&
!(net->data.bridge.script = strdup(script)))
goto no_memory;
if (ip[0] &&
!(net->data.bridge.ipaddr = strdup(ip)))
goto no_memory;
} else {
if (script[0] &&
!(net->data.ethernet.script = strdup(script)))
goto no_memory;
if (ip[0] &&
!(net->data.ethernet.ipaddr = strdup(ip)))
goto no_memory;
}
if (model[0] &&
!(net->model = strdup(model)))
goto no_memory;
if (!model[0] && type[0] &&
STREQ(type, "netfront") &&
!(net->model = strdup("netfront")))
goto no_memory;
if (vifname[0] &&
!(net->ifname = strdup(vifname)))
goto no_memory;
if (VIR_REALLOC_N(def->nets, def->nnets+1) < 0)
goto no_memory;
def->nets[def->nnets++] = net;
net = NULL;
skipnic:
list = list->next;
virDomainNetDefFree(net);
}
}
list = virConfGetValue(conf, "pci");
if (list && list->type == VIR_CONF_LIST) {
list = list->list;
while (list) {
char domain[5];
char bus[3];
char slot[3];
char func[2];
char *key, *nextkey;
int domainID;
int busID;
int slotID;
int funcID;
domain[0] = bus[0] = slot[0] = func[0] = '\0';
if ((list->type != VIR_CONF_STRING) || (list->str == NULL))
goto skippci;
/* pci=['0000:00:1b.0','0000:00:13.0'] */
if (!(key = list->str))
goto skippci;
if (!(nextkey = strchr(key, ':')))
goto skippci;
if (virStrncpy(domain, key, (nextkey - key), sizeof(domain)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Domain %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (!(nextkey = strchr(key, ':')))
goto skippci;
if (virStrncpy(bus, key, (nextkey - key), sizeof(bus)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Bus %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (!(nextkey = strchr(key, '.')))
goto skippci;
if (virStrncpy(slot, key, (nextkey - key), sizeof(slot)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Slot %s too big for destination"), key);
goto skippci;
}
key = nextkey + 1;
if (strlen(key) != 1)
goto skippci;
if (virStrncpy(func, key, 1, sizeof(func)) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("Function %s too big for destination"), key);
goto skippci;
}
if (virStrToLong_i(domain, NULL, 16, &domainID) < 0)
goto skippci;
if (virStrToLong_i(bus, NULL, 16, &busID) < 0)
goto skippci;
if (virStrToLong_i(slot, NULL, 16, &slotID) < 0)
goto skippci;
if (virStrToLong_i(func, NULL, 16, &funcID) < 0)
goto skippci;
if (VIR_ALLOC(hostdev) < 0)
goto no_memory;
hostdev->managed = 0;
hostdev->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI;
hostdev->source.subsys.u.pci.domain = domainID;
hostdev->source.subsys.u.pci.bus = busID;
hostdev->source.subsys.u.pci.slot = slotID;
hostdev->source.subsys.u.pci.function = funcID;
if (VIR_REALLOC_N(def->hostdevs, def->nhostdevs+1) < 0)
goto no_memory;
def->hostdevs[def->nhostdevs++] = hostdev;
hostdev = NULL;
skippci:
list = list->next;
}
}
if (hvm) {
if (xenXMConfigGetString(conf, "usbdevice", &str, NULL) < 0)
goto cleanup;
if (str &&
(STREQ(str, "tablet") ||
STREQ(str, "mouse"))) {
virDomainInputDefPtr input;
if (VIR_ALLOC(input) < 0)
goto no_memory;
input->bus = VIR_DOMAIN_INPUT_BUS_USB;
input->type = STREQ(str, "tablet") ?
VIR_DOMAIN_INPUT_TYPE_TABLET :
VIR_DOMAIN_INPUT_TYPE_MOUSE;
if (VIR_ALLOC_N(def->inputs, 1) < 0) {
virDomainInputDefFree(input);
goto no_memory;
}
def->inputs[0] = input;
def->ninputs = 1;
}
}
/* HVM guests, or old PV guests use this config format */
if (hvm || xendConfigVersion < 3) {
if (xenXMConfigGetBool(conf, "vnc", &val, 0) < 0)
goto cleanup;
if (val) {
if (VIR_ALLOC(graphics) < 0)
goto no_memory;
graphics->type = VIR_DOMAIN_GRAPHICS_TYPE_VNC;
if (xenXMConfigGetBool(conf, "vncunused", &val, 1) < 0)
goto cleanup;
graphics->data.vnc.autoport = val ? 1 : 0;
if (!graphics->data.vnc.autoport) {
unsigned long vncdisplay;
if (xenXMConfigGetULong(conf, "vncdisplay", &vncdisplay, 0) < 0)
goto cleanup;
graphics->data.vnc.port = (int)vncdisplay + 5900;
}
if (xenXMConfigCopyStringOpt(conf, "vnclisten", &graphics->data.vnc.listenAddr) < 0)
goto cleanup;
if (xenXMConfigCopyStringOpt(conf, "vncpasswd", &graphics->data.vnc.auth.passwd) < 0)
goto cleanup;
if (xenXMConfigCopyStringOpt(conf, "keymap", &graphics->data.vnc.keymap) < 0)
goto cleanup;
if (VIR_ALLOC_N(def->graphics, 1) < 0)
goto no_memory;
def->graphics[0] = graphics;
def->ngraphics = 1;
graphics = NULL;
} else {
if (xenXMConfigGetBool(conf, "sdl", &val, 0) < 0)
goto cleanup;
if (val) {
if (VIR_ALLOC(graphics) < 0)
goto no_memory;
graphics->type = VIR_DOMAIN_GRAPHICS_TYPE_SDL;
if (xenXMConfigCopyStringOpt(conf, "display", &graphics->data.sdl.display) < 0)
goto cleanup;
if (xenXMConfigCopyStringOpt(conf, "xauthority", &graphics->data.sdl.xauth) < 0)
goto cleanup;
if (VIR_ALLOC_N(def->graphics, 1) < 0)
goto no_memory;
def->graphics[0] = graphics;
def->ngraphics = 1;
graphics = NULL;
}
}
}
if (!hvm && def->graphics == NULL) { /* New PV guests use this format */
list = virConfGetValue(conf, "vfb");
if (list && list->type == VIR_CONF_LIST &&
list->list && list->list->type == VIR_CONF_STRING &&
list->list->str) {
char vfb[MAX_VFB];
char *key = vfb;
if (virStrcpyStatic(vfb, list->list->str) == NULL) {
XENXS_ERROR(VIR_ERR_INTERNAL_ERROR,
_("VFB %s too big for destination"),
list->list->str);
goto cleanup;
}
if (VIR_ALLOC(graphics) < 0)
goto no_memory;
if (strstr(key, "type=sdl"))
graphics->type = VIR_DOMAIN_GRAPHICS_TYPE_SDL;
else
graphics->type = VIR_DOMAIN_GRAPHICS_TYPE_VNC;
while (key) {
char *nextkey = strchr(key, ',');
char *end = nextkey;
if (nextkey) {
*end = '\0';
nextkey++;
}
if (!strchr(key, '='))
break;
if (graphics->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
if (STRPREFIX(key, "vncunused=")) {
if (STREQ(key + 10, "1"))
graphics->data.vnc.autoport = 1;
} else if (STRPREFIX(key, "vnclisten=")) {
if (!(graphics->data.vnc.listenAddr = strdup(key + 10)))
goto no_memory;
} else if (STRPREFIX(key, "vncpasswd=")) {
if (!(graphics->data.vnc.auth.passwd = strdup(key + 10)))
goto no_memory;
} else if (STRPREFIX(key, "keymap=")) {
if (!(graphics->data.vnc.keymap = strdup(key + 7)))
goto no_memory;
} else if (STRPREFIX(key, "vncdisplay=")) {
graphics->data.vnc.port = strtol(key+11, NULL, 10) + 5900;
}
} else {
if (STRPREFIX(key, "display=")) {
if (!(graphics->data.sdl.display = strdup(key + 8)))
goto no_memory;
} else if (STRPREFIX(key, "xauthority=")) {
if (!(graphics->data.sdl.xauth = strdup(key + 11)))
goto no_memory;
}
}
while (nextkey && (nextkey[0] == ',' ||
nextkey[0] == ' ' ||
nextkey[0] == '\t'))
nextkey++;
key = nextkey;
}
if (VIR_ALLOC_N(def->graphics, 1) < 0)
goto no_memory;
def->graphics[0] = graphics;
def->ngraphics = 1;
graphics = NULL;
}
}
if (hvm) {
virDomainChrDefPtr chr = NULL;
if (xenXMConfigGetString(conf, "parallel", &str, NULL) < 0)
goto cleanup;
if (str && STRNEQ(str, "none") &&
!(chr = xenDaemonParseSxprChar(str, NULL)))
goto cleanup;
if (chr) {
if (VIR_ALLOC_N(def->parallels, 1) < 0) {
virDomainChrDefFree(chr);
goto no_memory;
}
chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL;
def->parallels[0] = chr;
def->nparallels++;
chr = NULL;
}
if (xenXMConfigGetString(conf, "serial", &str, NULL) < 0)
goto cleanup;
if (str && STRNEQ(str, "none") &&
!(chr = xenDaemonParseSxprChar(str, NULL)))
goto cleanup;
if (chr) {
if (VIR_ALLOC_N(def->serials, 1) < 0) {
virDomainChrDefFree(chr);
goto no_memory;
}
chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL;
def->serials[0] = chr;
def->nserials++;
}
} else {
if (!(def->console = xenDaemonParseSxprChar("pty", NULL)))
goto cleanup;
def->console->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE;
def->console->targetType = VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_XEN;
}
if (hvm) {
if (xenXMConfigGetString(conf, "soundhw", &str, NULL) < 0)
goto cleanup;
if (str &&
xenDaemonParseSxprSound(def, str) < 0)
goto cleanup;
}
return def;
no_memory:
virReportOOMError();
/* fallthrough */
cleanup:
virDomainGraphicsDefFree(graphics);
virDomainNetDefFree(net);
virDomainDiskDefFree(disk);
virDomainDefFree(def);
return NULL;
}
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