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0eee075dc7
libvirt/src/qemu/qemu_command.c
Daniel P. Berrange 0eee075dc7 Adjust naming of network device bandwidth management APIs 
Rename virBandwidth to virNetDevBandwidth, and virRate to
virNetDevBandwidthRate.

* src/util/network.c, src/util/network.h: Rename bandwidth
  structs and APIs
* src/conf/domain_conf.c, src/conf/domain_conf.h,
  src/conf/network_conf.c, src/conf/network_conf.h,
  src/lxc/lxc_driver.c, src/network/bridge_driver.c,
  src/qemu/qemu_command.c, src/util/macvtap.c,
  src/util/macvtap.h, tools/virsh.c: Update for API changes.
2011-11-09 17:10:28 +00:00

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/*
* qemu_command.c: QEMU command generation
*
* Copyright (C) 2006-2011 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>
*/
#include <config.h>
#include "qemu_command.h"
#include "qemu_capabilities.h"
#include "qemu_bridge_filter.h"
#include "cpu/cpu.h"
#include "memory.h"
#include "logging.h"
#include "virterror_internal.h"
#include "util.h"
#include "virfile.h"
#include "uuid.h"
#include "c-ctype.h"
#include "domain_nwfilter.h"
#include "domain_audit.h"
#include "domain_conf.h"
#include "network/bridge_driver.h"
#include "virnetdevtap.h"
#include <sys/utsname.h>
#include <sys/stat.h>
#include <fcntl.h>
#define VIR_FROM_THIS VIR_FROM_QEMU
VIR_ENUM_DECL(virDomainDiskQEMUBus)
VIR_ENUM_IMPL(virDomainDiskQEMUBus, VIR_DOMAIN_DISK_BUS_LAST,
"ide",
"floppy",
"scsi",
"virtio",
"xen",
"usb",
"uml",
"sata")
VIR_ENUM_DECL(qemuDiskCacheV1)
VIR_ENUM_DECL(qemuDiskCacheV2)
VIR_ENUM_IMPL(qemuDiskCacheV1, VIR_DOMAIN_DISK_CACHE_LAST,
"default",
"off",
"off", /* writethrough not supported, so for safety, disable */
"on", /* Old 'on' was equivalent to 'writeback' */
"off", /* directsync not supported, for safety, disable */
"off"); /* unsafe not supported, for safety, disable */
VIR_ENUM_IMPL(qemuDiskCacheV2, VIR_DOMAIN_DISK_CACHE_LAST,
"default",
"none",
"writethrough",
"writeback",
"directsync",
"unsafe");
VIR_ENUM_DECL(qemuVideo)
VIR_ENUM_IMPL(qemuVideo, VIR_DOMAIN_VIDEO_TYPE_LAST,
"std",
"cirrus",
"vmware",
"", /* no arg needed for xen */
"", /* don't support vbox */
"qxl");
VIR_ENUM_DECL(qemuControllerModelUSB)
VIR_ENUM_IMPL(qemuControllerModelUSB, VIR_DOMAIN_CONTROLLER_MODEL_USB_LAST,
"piix3-usb-uhci",
"piix4-usb-uhci",
"usb-ehci",
"ich9-usb-ehci1",
"ich9-usb-uhci1",
"ich9-usb-uhci2",
"ich9-usb-uhci3",
"vt82c686b-usb-uhci",
"pci-ohci");
VIR_ENUM_DECL(qemuDomainFSDriver)
VIR_ENUM_IMPL(qemuDomainFSDriver, VIR_DOMAIN_FS_DRIVER_TYPE_LAST,
"local",
"local",
"handle");
static void
uname_normalize (struct utsname *ut)
{
uname(ut);
/* Map i386, i486, i586 to i686. */
if (ut->machine[0] == 'i' &&
ut->machine[1] != '\0' &&
ut->machine[2] == '8' &&
ut->machine[3] == '6' &&
ut->machine[4] == '\0')
ut->machine[1] = '6';
}
/**
* qemuPhysIfaceConnect:
* @def: the definition of the VM (needed by 802.1Qbh and audit)
* @conn: pointer to virConnect object
* @driver: pointer to the qemud_driver
* @net: pointer to he VM's interface description with direct device type
* @qemuCaps: flags for qemu
*
* Returns a filedescriptor on success or -1 in case of error.
*/
int
qemuPhysIfaceConnect(virDomainDefPtr def,
virConnectPtr conn,
struct qemud_driver *driver,
virDomainNetDefPtr net,
virBitmapPtr qemuCaps,
enum virVMOperationType vmop)
{
int rc;
#if WITH_MACVTAP
char *res_ifname = NULL;
int vnet_hdr = 0;
int err;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_VNET_HDR) &&
net->model && STREQ(net->model, "virtio"))
vnet_hdr = 1;
rc = openMacvtapTap(net->ifname, net->mac,
virDomainNetGetActualDirectDev(net),
virDomainNetGetActualDirectMode(net),
vnet_hdr, def->uuid,
virDomainNetGetActualDirectVirtPortProfile(net),
&res_ifname,
vmop, driver->stateDir,
virDomainNetGetActualBandwidth(net));
if (rc >= 0) {
virDomainAuditNetDevice(def, net, res_ifname, true);
VIR_FREE(net->ifname);
net->ifname = res_ifname;
}
if (rc >=0 && driver->macFilter) {
if ((err = networkAllowMacOnPort(driver, net->ifname, net->mac))) {
virReportSystemError(err,
_("failed to add ebtables rule to allow MAC address on '%s'"),
net->ifname);
}
}
if (rc >= 0) {
if ((net->filter) && (net->ifname)) {
err = virDomainConfNWFilterInstantiate(conn, net);
if (err) {
VIR_FORCE_CLOSE(rc);
delMacvtap(net->ifname, net->mac,
virDomainNetGetActualDirectDev(net),
virDomainNetGetActualDirectMode(net),
virDomainNetGetActualDirectVirtPortProfile(net),
driver->stateDir);
VIR_FREE(net->ifname);
}
}
}
#else
(void)def;
(void)conn;
(void)net;
(void)qemuCaps;
(void)driver;
(void)vmop;
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("No support for macvtap device"));
rc = -1;
#endif
return rc;
}
int
qemuNetworkIfaceConnect(virDomainDefPtr def,
virConnectPtr conn,
struct qemud_driver *driver,
virDomainNetDefPtr net,
virBitmapPtr qemuCaps)
{
char *brname = NULL;
int err;
int tapfd = -1;
int vnet_hdr = 0;
bool template_ifname = false;
unsigned char tapmac[VIR_MAC_BUFLEN];
int actualType = virDomainNetGetActualType(net);
if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK) {
int active, fail = 0;
virErrorPtr errobj;
virNetworkPtr network = virNetworkLookupByName(conn,
net->data.network.name);
if (!network)
return -1;
active = virNetworkIsActive(network);
if (active != 1) {
fail = 1;
if (active == 0)
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("Network '%s' is not active."),
net->data.network.name);
}
if (!fail) {
brname = virNetworkGetBridgeName(network);
if (brname == NULL)
fail = 1;
}
/* Make sure any above failure is preserved */
errobj = virSaveLastError();
virNetworkFree(network);
virSetError(errobj);
virFreeError(errobj);
if (fail)
return -1;
} else if (actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) {
if (!(brname = strdup(virDomainNetGetActualBridgeName(net)))) {
virReportOOMError();
return -1;
}
} else {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("Network type %d is not supported"),
virDomainNetGetActualType(net));
return -1;
}
if (!net->ifname ||
STRPREFIX(net->ifname, VIR_NET_GENERATED_PREFIX) ||
strchr(net->ifname, '%')) {
VIR_FREE(net->ifname);
if (!(net->ifname = strdup(VIR_NET_GENERATED_PREFIX "%d"))) {
virReportOOMError();
goto cleanup;
}
/* avoid exposing vnet%d in getXMLDesc or error outputs */
template_ifname = true;
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_VNET_HDR) &&
net->model && STREQ(net->model, "virtio"))
vnet_hdr = 1;
memcpy(tapmac, net->mac, VIR_MAC_BUFLEN);
tapmac[0] = 0xFE; /* Discourage bridge from using TAP dev MAC */
err = virNetDevTapCreateInBridgePort(brname, &net->ifname, tapmac,
vnet_hdr, true, &tapfd);
virDomainAuditNetDevice(def, net, "/dev/net/tun", tapfd >= 0);
if (err < 0) {
if (template_ifname)
VIR_FREE(net->ifname);
tapfd = -1;
}
if (driver->macFilter) {
if ((err = networkAllowMacOnPort(driver, net->ifname, net->mac))) {
virReportSystemError(err,
_("failed to add ebtables rule to allow MAC address on '%s'"),
net->ifname);
}
}
if (tapfd >= 0 &&
virNetDevBandwidthSet(net->ifname,
virDomainNetGetActualBandwidth(net)) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot set bandwidth limits on %s"),
net->ifname);
VIR_FORCE_CLOSE(tapfd);
goto cleanup;
}
if (tapfd >= 0) {
if ((net->filter) && (net->ifname)) {
err = virDomainConfNWFilterInstantiate(conn, net);
if (err)
VIR_FORCE_CLOSE(tapfd);
}
}
cleanup:
VIR_FREE(brname);
return tapfd;
}
int
qemuOpenVhostNet(virDomainDefPtr def,
virDomainNetDefPtr net,
virBitmapPtr qemuCaps,
int *vhostfd)
{
*vhostfd = -1; /* assume we won't use vhost */
/* If the config says explicitly to not use vhost, return now */
if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_QEMU) {
return 0;
}
/* If qemu doesn't support vhost-net mode (including the -netdev command
* option), don't try to open the device.
*/
if (!(qemuCapsGet(qemuCaps, QEMU_CAPS_VHOST_NET) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))) {
if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("vhost-net is not supported with "
"this QEMU binary"));
return -1;
}
return 0;
}
/* If the nic model isn't virtio, don't try to open. */
if (!(net->model && STREQ(net->model, "virtio"))) {
if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("vhost-net is only supported for "
"virtio network interfaces"));
return -1;
}
return 0;
}
*vhostfd = open("/dev/vhost-net", O_RDWR);
virDomainAuditNetDevice(def, net, "/dev/vhost-net", *vhostfd >= 0);
/* If the config says explicitly to use vhost and we couldn't open it,
* report an error.
*/
if ((*vhostfd < 0) &&
(net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("vhost-net was requested for an interface, "
"but is unavailable"));
return -1;
}
return 0;
}
static int qemuDomainDeviceAliasIndex(virDomainDeviceInfoPtr info,
const char *prefix)
{
int idx;
if (!info->alias)
return -1;
if (!STRPREFIX(info->alias, prefix))
return -1;
if (virStrToLong_i(info->alias + strlen(prefix), NULL, 10, &idx) < 0)
return -1;
return idx;
}
int qemuDomainNetVLAN(virDomainNetDefPtr def)
{
return qemuDomainDeviceAliasIndex(&def->info, "net");
}
/* Names used before -drive existed */
static int qemuAssignDeviceDiskAliasLegacy(virDomainDiskDefPtr disk)
{
char *dev_name;
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
STREQ(disk->dst, "hdc"))
dev_name = strdup("cdrom");
else
dev_name = strdup(disk->dst);
if (!dev_name) {
virReportOOMError();
return -1;
}
disk->info.alias = dev_name;
return 0;
}
char *qemuDeviceDriveHostAlias(virDomainDiskDefPtr disk,
virBitmapPtr qemuCaps)
{
char *ret;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
if (virAsprintf(&ret, "%s%s", QEMU_DRIVE_HOST_PREFIX, disk->info.alias) < 0) {
virReportOOMError();
return NULL;
}
} else {
if (!(ret = strdup(disk->info.alias))) {
virReportOOMError();
return NULL;
}
}
return ret;
}
/* Names used before -drive supported the id= option */
static int qemuAssignDeviceDiskAliasFixed(virDomainDiskDefPtr disk)
{
int busid, devid;
int ret;
char *dev_name;
if (virDiskNameToBusDeviceIndex(disk, &busid, &devid) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot convert disk '%s' to bus/device index"),
disk->dst);
return -1;
}
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_IDE:
if (disk->device== VIR_DOMAIN_DISK_DEVICE_DISK)
ret = virAsprintf(&dev_name, "ide%d-hd%d", busid, devid);
else
ret = virAsprintf(&dev_name, "ide%d-cd%d", busid, devid);
break;
case VIR_DOMAIN_DISK_BUS_SCSI:
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK)
ret = virAsprintf(&dev_name, "scsi%d-hd%d", busid, devid);
else
ret = virAsprintf(&dev_name, "scsi%d-cd%d", busid, devid);
break;
case VIR_DOMAIN_DISK_BUS_FDC:
ret = virAsprintf(&dev_name, "floppy%d", devid);
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
ret = virAsprintf(&dev_name, "virtio%d", devid);
break;
case VIR_DOMAIN_DISK_BUS_XEN:
ret = virAsprintf(&dev_name, "xenblk%d", devid);
break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported disk name mapping for bus '%s'"),
virDomainDiskBusTypeToString(disk->bus));
return -1;
}
if (ret == -1) {
virReportOOMError();
return -1;
}
disk->info.alias = dev_name;
return 0;
}
/* Our custom -drive naming scheme used with id= */
static int qemuAssignDeviceDiskAliasCustom(virDomainDiskDefPtr disk)
{
const char *prefix = virDomainDiskBusTypeToString(disk->bus);
if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
if (virAsprintf(&disk->info.alias, "%s%d-%d-%d", prefix,
disk->info.addr.drive.controller,
disk->info.addr.drive.bus,
disk->info.addr.drive.unit) < 0)
goto no_memory;
} else {
int idx = virDiskNameToIndex(disk->dst);
if (virAsprintf(&disk->info.alias, "%s-disk%d", prefix, idx) < 0)
goto no_memory;
}
return 0;
no_memory:
virReportOOMError();
return -1;
}
int
qemuAssignDeviceDiskAlias(virDomainDiskDefPtr def, virBitmapPtr qemuCaps)
{
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE)) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
return qemuAssignDeviceDiskAliasCustom(def);
else
return qemuAssignDeviceDiskAliasFixed(def);
} else {
return qemuAssignDeviceDiskAliasLegacy(def);
}
}
int
qemuAssignDeviceNetAlias(virDomainDefPtr def, virDomainNetDefPtr net, int idx)
{
if (idx == -1) {
int i;
idx = 0;
for (i = 0 ; i < def->nnets ; i++) {
int thisidx;
if ((thisidx = qemuDomainDeviceAliasIndex(&def->nets[i]->info, "net")) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to determine device index for network device"));
return -1;
}
if (thisidx >= idx)
idx = thisidx + 1;
}
}
if (virAsprintf(&net->info.alias, "net%d", idx) < 0) {
virReportOOMError();
return -1;
}
return 0;
}
int
qemuAssignDeviceHostdevAlias(virDomainDefPtr def, virDomainHostdevDefPtr hostdev, int idx)
{
if (idx == -1) {
int i;
idx = 0;
for (i = 0 ; i < def->nhostdevs ; i++) {
int thisidx;
if ((thisidx = qemuDomainDeviceAliasIndex(&def->hostdevs[i]->info, "hostdev")) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to determine device index for hostdev device"));
return -1;
}
if (thisidx >= idx)
idx = thisidx + 1;
}
}
if (virAsprintf(&hostdev->info.alias, "hostdev%d", idx) < 0) {
virReportOOMError();
return -1;
}
return 0;
}
int
qemuAssignDeviceRedirdevAlias(virDomainDefPtr def, virDomainRedirdevDefPtr redirdev, int idx)
{
if (idx == -1) {
int i;
idx = 0;
for (i = 0 ; i < def->nredirdevs ; i++) {
int thisidx;
if ((thisidx = qemuDomainDeviceAliasIndex(&def->redirdevs[i]->info, "redir")) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to determine device index for redirected device"));
return -1;
}
if (thisidx >= idx)
idx = thisidx + 1;
}
}
if (virAsprintf(&redirdev->info.alias, "redir%d", idx) < 0) {
virReportOOMError();
return -1;
}
return 0;
}
int
qemuAssignDeviceControllerAlias(virDomainControllerDefPtr controller)
{
const char *prefix = virDomainControllerTypeToString(controller->type);
if (virAsprintf(&controller->info.alias, "%s%d", prefix,
controller->idx) < 0) {
virReportOOMError();
return -1;
}
return 0;
}
int
qemuAssignDeviceAliases(virDomainDefPtr def, virBitmapPtr qemuCaps)
{
int i;
for (i = 0; i < def->ndisks ; i++) {
if (qemuAssignDeviceDiskAlias(def->disks[i], qemuCaps) < 0)
return -1;
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NET_NAME) ||
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
for (i = 0; i < def->nnets ; i++) {
if (qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0)
return -1;
}
}
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
return 0;
for (i = 0; i < def->nfss ; i++) {
if (virAsprintf(&def->fss[i]->info.alias, "fs%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->nsounds ; i++) {
if (virAsprintf(&def->sounds[i]->info.alias, "sound%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->nhostdevs ; i++) {
if (qemuAssignDeviceHostdevAlias(def, def->hostdevs[i], i) < 0)
return -1;
}
for (i = 0; i < def->nredirdevs ; i++) {
if (qemuAssignDeviceRedirdevAlias(def, def->redirdevs[i], i) < 0)
return -1;
}
for (i = 0; i < def->nvideos ; i++) {
if (virAsprintf(&def->videos[i]->info.alias, "video%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->ncontrollers ; i++) {
if (qemuAssignDeviceControllerAlias(def->controllers[i]) < 0)
return -1;
}
for (i = 0; i < def->ninputs ; i++) {
if (virAsprintf(&def->inputs[i]->info.alias, "input%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->nparallels ; i++) {
if (virAsprintf(&def->parallels[i]->info.alias, "parallel%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->nserials ; i++) {
if (virAsprintf(&def->serials[i]->info.alias, "serial%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->nchannels ; i++) {
if (virAsprintf(&def->channels[i]->info.alias, "channel%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->nconsoles ; i++) {
if (virAsprintf(&def->consoles[i]->info.alias, "console%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->nhubs ; i++) {
if (virAsprintf(&def->hubs[i]->info.alias, "hub%d", i) < 0)
goto no_memory;
}
for (i = 0; i < def->nsmartcards ; i++) {
if (virAsprintf(&def->smartcards[i]->info.alias, "smartcard%d", i) < 0)
goto no_memory;
}
if (def->watchdog) {
if (virAsprintf(&def->watchdog->info.alias, "watchdog%d", 0) < 0)
goto no_memory;
}
if (def->memballoon) {
if (virAsprintf(&def->memballoon->info.alias, "balloon%d", 0) < 0)
goto no_memory;
}
return 0;
no_memory:
virReportOOMError();
return -1;
}
#define QEMU_PCI_ADDRESS_LAST_SLOT 31
#define QEMU_PCI_ADDRESS_LAST_FUNCTION 8
struct _qemuDomainPCIAddressSet {
virHashTablePtr used;
int nextslot;
};
static char *qemuPCIAddressAsString(virDomainDeviceInfoPtr dev)
{
char *addr;
if (dev->addr.pci.domain != 0 ||
dev->addr.pci.bus != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Only PCI domain 0 and bus 0 are available"));
return NULL;
}
if (virAsprintf(&addr, "%d:%d:%d.%d",
dev->addr.pci.domain,
dev->addr.pci.bus,
dev->addr.pci.slot,
dev->addr.pci.function) < 0) {
virReportOOMError();
return NULL;
}
return addr;
}
static int qemuCollectPCIAddress(virDomainDefPtr def ATTRIBUTE_UNUSED,
virDomainDeviceInfoPtr dev,
void *opaque)
{
int ret = -1;
char *addr = NULL;
qemuDomainPCIAddressSetPtr addrs = opaque;
if (dev->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI)
return 0;
addr = qemuPCIAddressAsString(dev);
if (!addr)
goto cleanup;
if (virHashLookup(addrs->used, addr)) {
if (dev->addr.pci.function != 0) {
qemuReportError(VIR_ERR_XML_ERROR,
_("Attempted double use of PCI Address '%s' "
"(may need \"multifunction='on'\" for device on function 0"),
addr);
} else {
qemuReportError(VIR_ERR_XML_ERROR,
_("Attempted double use of PCI Address '%s'"), addr);
}
goto cleanup;
}
VIR_DEBUG("Remembering PCI addr %s", addr);
if (virHashAddEntry(addrs->used, addr, addr) < 0)
goto cleanup;
addr = NULL;
if ((dev->addr.pci.function == 0) &&
(dev->addr.pci.multi != VIR_DOMAIN_DEVICE_ADDRESS_PCI_MULTI_ON)) {
/* a function 0 w/o multifunction=on must reserve the entire slot */
int function;
virDomainDeviceInfo temp_dev = *dev;
for (function = 1; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) {
temp_dev.addr.pci.function = function;
addr = qemuPCIAddressAsString(&temp_dev);
if (!addr)
goto cleanup;
if (virHashLookup(addrs->used, addr)) {
qemuReportError(VIR_ERR_XML_ERROR,
_("Attempted double use of PCI Address '%s'"
"(need \"multifunction='off'\" for device on function 0)"),
addr);
goto cleanup;
}
VIR_DEBUG("Remembering PCI addr %s (multifunction=off for function 0)", addr);
if (virHashAddEntry(addrs->used, addr, addr))
goto cleanup;
addr = NULL;
}
}
ret = 0;
cleanup:
VIR_FREE(addr);
return ret;
}
int
qemuDomainAssignPCIAddresses(virDomainDefPtr def)
{
int ret = -1;
virBitmapPtr qemuCaps = NULL;
qemuDomainPCIAddressSetPtr addrs = NULL;
if (qemuCapsExtractVersionInfo(def->emulator, def->os.arch,
NULL,
&qemuCaps) < 0)
goto cleanup;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
if (!(addrs = qemuDomainPCIAddressSetCreate(def)))
goto cleanup;
if (qemuAssignDevicePCISlots(def, addrs) < 0)
goto cleanup;
}
ret = 0;
cleanup:
qemuCapsFree(qemuCaps);
qemuDomainPCIAddressSetFree(addrs);
return ret;
}
static void
qemuDomainPCIAddressSetFreeEntry(void *payload,
const void *name ATTRIBUTE_UNUSED)
{
VIR_FREE(payload);
}
qemuDomainPCIAddressSetPtr qemuDomainPCIAddressSetCreate(virDomainDefPtr def)
{
qemuDomainPCIAddressSetPtr addrs;
if (VIR_ALLOC(addrs) < 0)
goto no_memory;
if (!(addrs->used = virHashCreate(10, qemuDomainPCIAddressSetFreeEntry)))
goto error;
if (virDomainDeviceInfoIterate(def, qemuCollectPCIAddress, addrs) < 0)
goto error;
return addrs;
no_memory:
virReportOOMError();
error:
qemuDomainPCIAddressSetFree(addrs);
return NULL;
}
/* check whether the slot is used by the other device
* Return 0 if the slot is not used by the other device, or -1 if the slot
* is used by the other device.
*/
static int qemuDomainPCIAddressCheckSlot(qemuDomainPCIAddressSetPtr addrs,
virDomainDeviceInfoPtr dev)
{
char *addr;
virDomainDeviceInfo temp_dev;
int function;
temp_dev = *dev;
for (function = 0; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) {
temp_dev.addr.pci.function = function;
addr = qemuPCIAddressAsString(&temp_dev);
if (!addr)
return -1;
if (virHashLookup(addrs->used, addr)) {
VIR_FREE(addr);
return -1;
}
VIR_FREE(addr);
}
return 0;
}
int qemuDomainPCIAddressReserveAddr(qemuDomainPCIAddressSetPtr addrs,
virDomainDeviceInfoPtr dev)
{
char *addr;
addr = qemuPCIAddressAsString(dev);
if (!addr)
return -1;
VIR_DEBUG("Reserving PCI addr %s", addr);
if (virHashLookup(addrs->used, addr)) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unable to reserve PCI address %s"), addr);
VIR_FREE(addr);
return -1;
}
if (virHashAddEntry(addrs->used, addr, addr)) {
VIR_FREE(addr);
return -1;
}
if (dev->addr.pci.slot > addrs->nextslot) {
addrs->nextslot = dev->addr.pci.slot + 1;
if (QEMU_PCI_ADDRESS_LAST_SLOT < addrs->nextslot)
addrs->nextslot = 0;
}
return 0;
}
int qemuDomainPCIAddressReserveFunction(qemuDomainPCIAddressSetPtr addrs,
int slot, int function)
{
virDomainDeviceInfo dev;
dev.addr.pci.domain = 0;
dev.addr.pci.bus = 0;
dev.addr.pci.slot = slot;
dev.addr.pci.function = function;
return qemuDomainPCIAddressReserveAddr(addrs, &dev);
}
int qemuDomainPCIAddressReserveSlot(qemuDomainPCIAddressSetPtr addrs,
int slot)
{
int function;
for (function = 0; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) {
if (qemuDomainPCIAddressReserveFunction(addrs, slot, function) < 0)
goto cleanup;
}
return 0;
cleanup:
for (function--; function >= 0; function--) {
qemuDomainPCIAddressReleaseFunction(addrs, slot, function);
}
return -1;
}
int qemuDomainPCIAddressEnsureAddr(qemuDomainPCIAddressSetPtr addrs,
virDomainDeviceInfoPtr dev)
{
int ret = 0;
if (dev->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
/* We do not support hotplug multi-function PCI device now, so we should
* reserve the whole slot. The function of the PCI device must be 0.
*/
if (dev->addr.pci.function != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Only PCI device addresses with function=0"
" are supported"));
return -1;
}
ret = qemuDomainPCIAddressReserveSlot(addrs, dev->addr.pci.slot);
} else {
ret = qemuDomainPCIAddressSetNextAddr(addrs, dev);
}
return ret;
}
int qemuDomainPCIAddressReleaseAddr(qemuDomainPCIAddressSetPtr addrs,
virDomainDeviceInfoPtr dev)
{
char *addr;
int ret;
addr = qemuPCIAddressAsString(dev);
if (!addr)
return -1;
ret = virHashRemoveEntry(addrs->used, addr);
VIR_FREE(addr);
return ret;
}
int qemuDomainPCIAddressReleaseFunction(qemuDomainPCIAddressSetPtr addrs,
int slot, int function)
{
virDomainDeviceInfo dev;
dev.addr.pci.domain = 0;
dev.addr.pci.bus = 0;
dev.addr.pci.slot = slot;
dev.addr.pci.function = function;
return qemuDomainPCIAddressReleaseAddr(addrs, &dev);
}
int qemuDomainPCIAddressReleaseSlot(qemuDomainPCIAddressSetPtr addrs, int slot)
{
virDomainDeviceInfo dev;
char *addr;
int ret = 0;
unsigned int *function = &dev.addr.pci.function;
dev.addr.pci.domain = 0;
dev.addr.pci.bus = 0;
dev.addr.pci.slot = slot;
for (*function = 0; *function < QEMU_PCI_ADDRESS_LAST_FUNCTION; (*function)++) {
addr = qemuPCIAddressAsString(&dev);
if (!addr)
return -1;
if (!virHashLookup(addrs->used, addr)) {
VIR_FREE(addr);
continue;
}
VIR_FREE(addr);
if (qemuDomainPCIAddressReleaseFunction(addrs, slot, *function) < 0)
ret = -1;
}
return ret;
}
void qemuDomainPCIAddressSetFree(qemuDomainPCIAddressSetPtr addrs)
{
if (!addrs)
return;
virHashFree(addrs->used);
VIR_FREE(addrs);
}
int qemuDomainPCIAddressSetNextAddr(qemuDomainPCIAddressSetPtr addrs,
virDomainDeviceInfoPtr dev)
{
int i;
int iteration;
for (i = addrs->nextslot, iteration = 0;
iteration <= QEMU_PCI_ADDRESS_LAST_SLOT; i++, iteration++) {
virDomainDeviceInfo maybe;
char *addr;
if (QEMU_PCI_ADDRESS_LAST_SLOT < i)
i = 0;
memset(&maybe, 0, sizeof(maybe));
maybe.addr.pci.domain = 0;
maybe.addr.pci.bus = 0;
maybe.addr.pci.slot = i;
maybe.addr.pci.function = 0;
if (!(addr = qemuPCIAddressAsString(&maybe)))
return -1;
if (qemuDomainPCIAddressCheckSlot(addrs, &maybe) < 0) {
VIR_DEBUG("PCI addr %s already in use", addr);
VIR_FREE(addr);
continue;
}
VIR_DEBUG("Allocating PCI addr %s", addr);
VIR_FREE(addr);
if (qemuDomainPCIAddressReserveSlot(addrs, i) < 0)
return -1;
dev->type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
dev->addr.pci = maybe.addr.pci;
addrs->nextslot = i + 1;
if (QEMU_PCI_ADDRESS_LAST_SLOT < addrs->nextslot)
addrs->nextslot = 0;
return 0;
}
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("No more available PCI addresses"));
return -1;
}
/*
* This assigns static PCI slots to all configured devices.
* The ordering here is chosen to match the ordering used
* with old QEMU < 0.12, so that if a user updates a QEMU
* host from old QEMU to QEMU >= 0.12, their guests should
* get PCI addresses in the same order as before.
*
* NB, if they previously hotplugged devices then all bets
* are off. Hotplug for old QEMU was unfixably broken wrt
* to stable PCI addressing.
*
* Order is:
*
* - Host bridge (slot 0)
* - PIIX3 ISA bridge, IDE controller, something else unknown, USB controller (slot 1)
* - Video (slot 2)
*
* Incrementally assign slots from 3 onwards:
*
* - Net
* - Sound
* - SCSI controllers
* - VirtIO block
* - VirtIO balloon
* - Host device passthrough
* - Watchdog (not IB700)
*
* Prior to this function being invoked, qemuCollectPCIAddress() will have
* added all existing PCI addresses from the 'def' to 'addrs'. Thus this
* function must only try to reserve addresses if info.type == NONE and
* skip over info.type == PCI
*/
int
qemuAssignDevicePCISlots(virDomainDefPtr def, qemuDomainPCIAddressSetPtr addrs)
{
int i;
bool reservedIDE = false;
bool reservedUSB = false;
bool reservedVGA = false;
int function;
/* Host bridge */
if (qemuDomainPCIAddressReserveSlot(addrs, 0) < 0)
goto error;
/* Verify that first IDE and USB controllers (if any) is on the PIIX3, fn 1 */
for (i = 0; i < def->ncontrollers ; i++) {
/* First IDE controller lives on the PIIX3 at slot=1, function=1 */
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE &&
def->controllers[i]->idx == 0) {
if (def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
if (def->controllers[i]->info.addr.pci.domain != 0 ||
def->controllers[i]->info.addr.pci.bus != 0 ||
def->controllers[i]->info.addr.pci.slot != 1 ||
def->controllers[i]->info.addr.pci.function != 1) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Primary IDE controller must have PCI address 0:0:1.1"));
goto error;
}
/* If TYPE==PCI, then qemuCollectPCIAddress() function
* has already reserved the address, so we must skip */
reservedIDE = true;
} else {
def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
def->controllers[i]->info.addr.pci.domain = 0;
def->controllers[i]->info.addr.pci.bus = 0;
def->controllers[i]->info.addr.pci.slot = 1;
def->controllers[i]->info.addr.pci.function = 1;
}
} else if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
def->controllers[i]->idx == 0 &&
(def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI ||
def->controllers[i]->model == -1)) {
if (def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
if (def->controllers[i]->info.addr.pci.domain != 0 ||
def->controllers[i]->info.addr.pci.bus != 0 ||
def->controllers[i]->info.addr.pci.slot != 1 ||
def->controllers[i]->info.addr.pci.function != 2) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("PIIX3 USB controller must have PCI address 0:0:1.2"));
goto error;
}
reservedUSB = true;
} else {
def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
def->controllers[i]->info.addr.pci.domain = 0;
def->controllers[i]->info.addr.pci.bus = 0;
def->controllers[i]->info.addr.pci.slot = 1;
def->controllers[i]->info.addr.pci.function = 2;
}
}
}
/* PIIX3 (ISA bridge, IDE controller, something else unknown, USB controller)
* hardcoded slot=1, multifunction device
*/
for (function = 0; function < QEMU_PCI_ADDRESS_LAST_FUNCTION; function++) {
if ((function == 1 && reservedIDE) ||
(function == 2 && reservedUSB))
/* we have reserved this pci address */
continue;
if (qemuDomainPCIAddressReserveFunction(addrs, 1, function) < 0)
goto error;
}
/* First VGA is hardcoded slot=2 */
if (def->nvideos > 0) {
if (def->videos[0]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
if (def->videos[0]->info.addr.pci.domain != 0 ||
def->videos[0]->info.addr.pci.bus != 0 ||
def->videos[0]->info.addr.pci.slot != 2 ||
def->videos[0]->info.addr.pci.function != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Primary video card must have PCI address 0:0:2.0"));
goto error;
}
/* If TYPE==PCI, then qemuCollectPCIAddress() function
* has already reserved the address, so we must skip */
reservedVGA = true;
} else {
def->videos[0]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
def->videos[0]->info.addr.pci.domain = 0;
def->videos[0]->info.addr.pci.bus = 0;
def->videos[0]->info.addr.pci.slot = 2;
def->videos[0]->info.addr.pci.function = 0;
}
}
if (!reservedVGA
&& qemuDomainPCIAddressReserveSlot(addrs, 2) < 0)
goto error;
for (i = 0; i < def->nfss ; i++) {
if (def->fss[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
/* Only support VirtIO-9p-pci so far. If that changes,
* we might need to skip devices here */
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->fss[i]->info) < 0)
goto error;
}
/* Network interfaces */
for (i = 0; i < def->nnets ; i++) {
if (def->nets[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->nets[i]->info) < 0)
goto error;
}
/* Sound cards */
for (i = 0; i < def->nsounds ; i++) {
if (def->sounds[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
/* Skip ISA sound card, and PCSPK */
if (def->sounds[i]->model == VIR_DOMAIN_SOUND_MODEL_SB16 ||
def->sounds[i]->model == VIR_DOMAIN_SOUND_MODEL_PCSPK)
continue;
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->sounds[i]->info) < 0)
goto error;
}
/* Disk controllers (SCSI only for now) */
for (i = 0; i < def->ncontrollers ; i++) {
/* FDC lives behind the ISA bridge; CCID is a usb device */
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_FDC ||
def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_CCID)
continue;
/* First IDE controller lives on the PIIX3 at slot=1, function=1,
dealt with earlier on*/
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE &&
def->controllers[i]->idx == 0)
continue;
if (def->controllers[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->controllers[i]->info) < 0)
goto error;
}
/* Disks (VirtIO only for now) */
for (i = 0; i < def->ndisks ; i++) {
/* Only VirtIO disks use PCI addrs */
if (def->disks[i]->bus != VIR_DOMAIN_DISK_BUS_VIRTIO)
continue;
if (def->disks[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI)
continue;
if (def->disks[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("virtio only support device address type 'PCI'"));
goto error;
}
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->disks[i]->info) < 0)
goto error;
}
/* Host PCI devices */
for (i = 0; i < def->nhostdevs ; i++) {
if (def->hostdevs[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
if (def->hostdevs[i]->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
def->hostdevs[i]->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI)
continue;
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->hostdevs[i]->info) < 0)
goto error;
}
/* VirtIO balloon */
if (def->memballoon &&
def->memballoon->model == VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO &&
def->memballoon->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->memballoon->info) < 0)
goto error;
}
/* A watchdog - skip IB700, it is not a PCI device */
if (def->watchdog &&
def->watchdog->model != VIR_DOMAIN_WATCHDOG_MODEL_IB700 &&
def->watchdog->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->watchdog->info) < 0)
goto error;
}
/* Further non-primary video cards */
for (i = 1; i < def->nvideos ; i++) {
if (def->videos[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
if (qemuDomainPCIAddressSetNextAddr(addrs, &def->videos[i]->info) < 0)
goto error;
}
for (i = 0; i < def->ninputs ; i++) {
/* Nada - none are PCI based (yet) */
}
for (i = 0; i < def->nparallels ; i++) {
/* Nada - none are PCI based (yet) */
}
for (i = 0; i < def->nserials ; i++) {
/* Nada - none are PCI based (yet) */
}
for (i = 0; i < def->nchannels ; i++) {
/* Nada - none are PCI based (yet) */
}
for (i = 0; i < def->nhubs ; i++) {
/* Nada - none are PCI based (yet) */
}
return 0;
error:
return -1;
}
static void
qemuUsbId(virBufferPtr buf, int idx)
{
if (idx == 0)
virBufferAsprintf(buf, "usb");
else
virBufferAsprintf(buf, "usb%d", idx);
}
static int
qemuBuildDeviceAddressStr(virBufferPtr buf,
virDomainDeviceInfoPtr info,
virBitmapPtr qemuCaps)
{
if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
if (info->addr.pci.domain != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Only PCI device addresses with domain=0 are supported"));
return -1;
}
if (info->addr.pci.bus != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Only PCI device addresses with bus=0 are supported"));
return -1;
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_PCI_MULTIFUNCTION)) {
if (info->addr.pci.function > 7) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("The function of PCI device addresses must "
"less than 8"));
return -1;
}
} else {
if (info->addr.pci.function != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Only PCI device addresses with function=0 "
"are supported with this QEMU binary"));
return -1;
}
if (info->addr.pci.multi == VIR_DOMAIN_DEVICE_ADDRESS_PCI_MULTI_ON) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'multifunction=on' is not supported with "
"this QEMU binary"));
return -1;
}
}
/* XXX
* When QEMU grows support for > 1 PCI bus, then pci.0 changes
* to pci.1, pci.2, etc
* When QEMU grows support for > 1 PCI domain, then pci.0 change
* to pciNN.0 where NN is the domain number
*/
if (qemuCapsGet(qemuCaps, QEMU_CAPS_PCI_MULTIBUS))
virBufferAsprintf(buf, ",bus=pci.0");
else
virBufferAsprintf(buf, ",bus=pci");
if (info->addr.pci.multi == VIR_DOMAIN_DEVICE_ADDRESS_PCI_MULTI_ON)
virBufferAddLit(buf, ",multifunction=on");
else if (info->addr.pci.multi == VIR_DOMAIN_DEVICE_ADDRESS_PCI_MULTI_OFF)
virBufferAddLit(buf, ",multifunction=off");
virBufferAsprintf(buf, ",addr=0x%x", info->addr.pci.slot);
if (info->addr.pci.function != 0)
virBufferAsprintf(buf, ".0x%x", info->addr.pci.function);
} else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB) {
virBufferAsprintf(buf, ",bus=");
qemuUsbId(buf, info->addr.usb.bus);
virBufferAsprintf(buf, ".0,port=%s", info->addr.usb.port);
}
return 0;
}
static int
qemuBuildIoEventFdStr(virBufferPtr buf,
enum virDomainIoEventFd use,
virBitmapPtr qemuCaps)
{
if (use && qemuCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_IOEVENTFD))
virBufferAsprintf(buf, ",ioeventfd=%s",
virDomainIoEventFdTypeToString(use));
return 0;
}
#define QEMU_SERIAL_PARAM_ACCEPTED_CHARS \
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_"
static int
qemuSafeSerialParamValue(const char *value)
{
if (strspn(value, QEMU_SERIAL_PARAM_ACCEPTED_CHARS) != strlen (value)) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("driver serial '%s' contains unsafe characters"),
value);
return -1;
}
return 0;
}
char *
qemuBuildDriveStr(virConnectPtr conn ATTRIBUTE_UNUSED,
virDomainDiskDefPtr disk,
bool bootable,
virBitmapPtr qemuCaps)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *bus = virDomainDiskQEMUBusTypeToString(disk->bus);
int idx = virDiskNameToIndex(disk->dst);
int busid = -1, unitid = -1;
if (idx < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk type '%s'"), disk->dst);
goto error;
}
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_SCSI:
if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unexpected address type for scsi disk"));
goto error;
}
/* Setting bus= attr for SCSI drives, causes a controller
* to be created. Yes this is slightly odd. It is not possible
* to have > 1 bus on a SCSI controller (yet). */
if (disk->info.addr.drive.bus != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("SCSI controller only supports 1 bus"));
goto error;
}
busid = disk->info.addr.drive.controller;
unitid = disk->info.addr.drive.unit;
break;
case VIR_DOMAIN_DISK_BUS_IDE:
if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unexpected address type for ide disk"));
goto error;
}
/* We can only have 1 IDE controller (currently) */
if (disk->info.addr.drive.controller != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("Only 1 %s controller is supported"), bus);
goto error;
}
busid = disk->info.addr.drive.bus;
unitid = disk->info.addr.drive.unit;
break;
case VIR_DOMAIN_DISK_BUS_FDC:
if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unexpected address type for fdc disk"));
goto error;
}
/* We can only have 1 FDC controller (currently) */
if (disk->info.addr.drive.controller != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("Only 1 %s controller is supported"), bus);
goto error;
}
/* We can only have 1 FDC bus (currently) */
if (disk->info.addr.drive.bus != 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("Only 1 %s bus is supported"), bus);
goto error;
}
unitid = disk->info.addr.drive.unit;
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
/* Each virtio drive is a separate PCI device, no unit/busid or index */
idx = -1;
break;
case VIR_DOMAIN_DISK_BUS_XEN:
/* Xen has no address type currently, so assign based on index */
break;
}
/* disk->src is NULL when we use nbd disks */
if (disk->src || (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK &&
disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_NBD)) {
if (disk->type == VIR_DOMAIN_DISK_TYPE_DIR) {
/* QEMU only supports magic FAT format for now */
if (disk->driverType &&
STRNEQ(disk->driverType, "fat")) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk driver type for '%s'"),
disk->driverType);
goto error;
}
if (!disk->readonly) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot create virtual FAT disks in read-write mode"));
goto error;
}
if (disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY)
virBufferAsprintf(&opt, "file=fat:floppy:%s,", disk->src);
else
virBufferAsprintf(&opt, "file=fat:%s,", disk->src);
} else if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK) {
switch (disk->protocol) {
case VIR_DOMAIN_DISK_PROTOCOL_NBD:
if (disk->nhosts != 1) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("NBD accepts only one host"));
goto error;
}
virBufferAsprintf(&opt, "file=nbd:%s:%s,",
disk->hosts->name, disk->hosts->port);
break;
case VIR_DOMAIN_DISK_PROTOCOL_RBD:
/* TODO: set monitor hostnames */
virBufferAsprintf(&opt, "file=rbd:%s,", disk->src);
break;
case VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG:
if (disk->nhosts == 0)
virBufferAsprintf(&opt, "file=sheepdog:%s,", disk->src);
else
/* only one host is supported now */
virBufferAsprintf(&opt, "file=sheepdog:%s:%s:%s,",
disk->hosts->name, disk->hosts->port,
disk->src);
break;
}
} else {
virBufferAsprintf(&opt, "file=%s,", disk->src);
}
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
virBufferAddLit(&opt, "if=none");
else
virBufferAsprintf(&opt, "if=%s", bus);
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
virBufferAddLit(&opt, ",media=cdrom");
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virBufferAsprintf(&opt, ",id=%s%s", QEMU_DRIVE_HOST_PREFIX, disk->info.alias);
} else {
if (busid == -1 && unitid == -1) {
if (idx != -1)
virBufferAsprintf(&opt, ",index=%d", idx);
} else {
if (busid != -1)
virBufferAsprintf(&opt, ",bus=%d", busid);
if (unitid != -1)
virBufferAsprintf(&opt, ",unit=%d", unitid);
}
}
if (bootable &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_BOOT) &&
disk->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
disk->bus != VIR_DOMAIN_DISK_BUS_IDE)
virBufferAddLit(&opt, ",boot=on");
if (disk->readonly &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_READONLY))
virBufferAddLit(&opt, ",readonly=on");
if (disk->transient) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("transient disks not supported yet"));
goto error;
}
if (disk->driverType && *disk->driverType != '\0' &&
disk->type != VIR_DOMAIN_DISK_TYPE_DIR &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_FORMAT))
virBufferAsprintf(&opt, ",format=%s", disk->driverType);
if (disk->serial &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_SERIAL)) {
if (qemuSafeSerialParamValue(disk->serial) < 0)
goto error;
virBufferAsprintf(&opt, ",serial=%s", disk->serial);
}
if (disk->cachemode) {
const char *mode = NULL;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_V2)) {
mode = qemuDiskCacheV2TypeToString(disk->cachemode);
if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_DIRECTSYNC &&
!qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_DIRECTSYNC)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk cache mode 'directsync' is not "
"supported by this QEMU"));
goto error;
} else if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_UNSAFE &&
!qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_UNSAFE)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk cache mode 'unsafe' is not "
"supported by this QEMU"));
goto error;
}
} else {
mode = qemuDiskCacheV1TypeToString(disk->cachemode);
}
virBufferAsprintf(&opt, ",cache=%s", mode);
} else if (disk->shared && !disk->readonly) {
virBufferAddLit(&opt, ",cache=off");
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_MONITOR_JSON)) {
const char *wpolicy = NULL, *rpolicy = NULL;
if (disk->error_policy)
wpolicy = virDomainDiskErrorPolicyTypeToString(disk->error_policy);
if (disk->rerror_policy)
rpolicy = virDomainDiskErrorPolicyTypeToString(disk->rerror_policy);
if (disk->error_policy == VIR_DOMAIN_DISK_ERROR_POLICY_ENOSPACE) {
/* in the case of enospace, the option is spelled
* differently in qemu, and it's only valid for werror,
* not for rerror, so leave leave rerror NULL.
*/
wpolicy = "enospc";
} else if (!rpolicy) {
/* for other policies, rpolicy can match wpolicy */
rpolicy = wpolicy;
}
if (wpolicy)
virBufferAsprintf(&opt, ",werror=%s", wpolicy);
if (rpolicy)
virBufferAsprintf(&opt, ",rerror=%s", rpolicy);
}
if (disk->iomode) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_AIO)) {
virBufferAsprintf(&opt, ",aio=%s",
virDomainDiskIoTypeToString(disk->iomode));
} else {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk aio mode not supported with this "
"QEMU binary"));
goto error;
}
}
if (virBufferError(&opt)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&opt);
error:
virBufferFreeAndReset(&opt);
return NULL;
}
char *
qemuBuildDriveDevStr(virDomainDiskDefPtr disk,
int bootindex,
virBitmapPtr qemuCaps)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *bus = virDomainDiskQEMUBusTypeToString(disk->bus);
int idx = virDiskNameToIndex(disk->dst);
if (idx < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk type '%s'"), disk->dst);
goto error;
}
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_IDE:
virBufferAddLit(&opt, "ide-drive");
virBufferAsprintf(&opt, ",bus=ide.%d,unit=%d",
disk->info.addr.drive.bus,
disk->info.addr.drive.unit);
break;
case VIR_DOMAIN_DISK_BUS_SCSI:
virBufferAddLit(&opt, "scsi-disk");
virBufferAsprintf(&opt, ",bus=scsi%d.%d,scsi-id=%d",
disk->info.addr.drive.controller,
disk->info.addr.drive.bus,
disk->info.addr.drive.unit);
break;
case VIR_DOMAIN_DISK_BUS_SATA:
virBufferAddLit(&opt, "ide-drive");
virBufferAsprintf(&opt, ",bus=ahci%d.%d",
disk->info.addr.drive.controller,
disk->info.addr.drive.unit);
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
virBufferAddLit(&opt, "virtio-blk-pci");
qemuBuildIoEventFdStr(&opt, disk->ioeventfd, qemuCaps);
if (disk->event_idx &&
qemuCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_BLK_EVENT_IDX)) {
virBufferAsprintf(&opt, ",event_idx=%s",
virDomainVirtioEventIdxTypeToString(disk->event_idx));
}
if (qemuBuildDeviceAddressStr(&opt, &disk->info, qemuCaps) < 0)
goto error;
break;
case VIR_DOMAIN_DISK_BUS_USB:
virBufferAddLit(&opt, "usb-storage");
break;
default:
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk bus '%s' with device setup"), bus);
goto error;
}
virBufferAsprintf(&opt, ",drive=%s%s", QEMU_DRIVE_HOST_PREFIX, disk->info.alias);
virBufferAsprintf(&opt, ",id=%s", disk->info.alias);
if (bootindex && qemuCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX))
virBufferAsprintf(&opt, ",bootindex=%d", bootindex);
if (virBufferError(&opt)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&opt);
error:
virBufferFreeAndReset(&opt);
return NULL;
}
char *qemuBuildFSStr(virDomainFSDefPtr fs,
virBitmapPtr qemuCaps ATTRIBUTE_UNUSED)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *driver = qemuDomainFSDriverTypeToString(fs->fsdriver);
if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("only supports mount filesystem type"));
goto error;
}
if (!driver) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Filesystem driver type not supported"));
goto error;
}
virBufferAdd(&opt, driver, -1);
if (fs->accessmode == VIR_DOMAIN_FS_ACCESSMODE_MAPPED) {
virBufferAddLit(&opt, ",security_model=mapped");
} else if(fs->accessmode == VIR_DOMAIN_FS_ACCESSMODE_PASSTHROUGH) {
virBufferAddLit(&opt, ",security_model=passthrough");
} else if(fs->accessmode == VIR_DOMAIN_FS_ACCESSMODE_SQUASH) {
virBufferAddLit(&opt, ",security_model=none");
}
virBufferAsprintf(&opt, ",id=%s%s", QEMU_FSDEV_HOST_PREFIX, fs->info.alias);
virBufferAsprintf(&opt, ",path=%s", fs->src);
if (virBufferError(&opt)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&opt);
error:
virBufferFreeAndReset(&opt);
return NULL;
}
char *
qemuBuildFSDevStr(virDomainFSDefPtr fs,
virBitmapPtr qemuCaps)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("can only passthrough directories"));
goto error;
}
virBufferAddLit(&opt, "virtio-9p-pci");
virBufferAsprintf(&opt, ",id=%s", fs->info.alias);
virBufferAsprintf(&opt, ",fsdev=%s%s", QEMU_FSDEV_HOST_PREFIX, fs->info.alias);
virBufferAsprintf(&opt, ",mount_tag=%s", fs->dst);
if (qemuBuildDeviceAddressStr(&opt, &fs->info, qemuCaps) < 0)
goto error;
if (virBufferError(&opt)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&opt);
error:
virBufferFreeAndReset(&opt);
return NULL;
}
static int
qemuControllerModelUSBToCaps(int model)
{
switch (model) {
case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI:
return QEMU_CAPS_PIIX3_USB_UHCI;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX4_UHCI:
return QEMU_CAPS_PIIX4_USB_UHCI;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_EHCI:
return QEMU_CAPS_USB_EHCI;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1:
case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1:
case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2:
case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3:
return QEMU_CAPS_ICH9_USB_EHCI1;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_VT82C686B_UHCI:
return QEMU_CAPS_VT82C686B_USB_UHCI;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_PCI_OHCI:
return QEMU_CAPS_PCI_OHCI;
default:
return -1;
}
}
static int
qemuBuildUSBControllerDevStr(virDomainControllerDefPtr def,
virBitmapPtr qemuCaps,
virBuffer *buf)
{
const char *smodel;
int model, caps;
model = def->model;
if (model == -1)
model = VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI;
smodel = qemuControllerModelUSBTypeToString(model);
caps = qemuControllerModelUSBToCaps(model);
if (caps == -1 || !qemuCapsGet(qemuCaps, caps)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("%s not supported in this QEMU binary"), smodel);
return -1;
}
virBufferAsprintf(buf, "%s", smodel);
if (def->info.mastertype == VIR_DOMAIN_CONTROLLER_MASTER_USB) {
virBufferAsprintf(buf, ",masterbus=");
qemuUsbId(buf, def->idx);
virBufferAsprintf(buf, ".0,firstport=%d", def->info.master.usb.startport);
} else {
virBufferAsprintf(buf, ",id=");
qemuUsbId(buf, def->idx);
}
return 0;
}
char *
qemuBuildControllerDevStr(virDomainControllerDefPtr def,
virBitmapPtr qemuCaps,
int *nusbcontroller)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
switch (def->type) {
case VIR_DOMAIN_CONTROLLER_TYPE_SCSI:
virBufferAddLit(&buf, "lsi");
virBufferAsprintf(&buf, ",id=scsi%d", def->idx);
break;
case VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL:
if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
virBufferAddLit(&buf, "virtio-serial-pci");
} else {
virBufferAddLit(&buf, "virtio-serial");
}
virBufferAsprintf(&buf, ",id=" QEMU_VIRTIO_SERIAL_PREFIX "%d",
def->idx);
if (def->opts.vioserial.ports != -1) {
virBufferAsprintf(&buf, ",max_ports=%d",
def->opts.vioserial.ports);
}
if (def->opts.vioserial.vectors != -1) {
virBufferAsprintf(&buf, ",vectors=%d",
def->opts.vioserial.vectors);
}
break;
case VIR_DOMAIN_CONTROLLER_TYPE_CCID:
virBufferAsprintf(&buf, "usb-ccid,id=ccid%d", def->idx);
break;
case VIR_DOMAIN_CONTROLLER_TYPE_SATA:
virBufferAsprintf(&buf, "ahci,id=ahci%d", def->idx);
break;
case VIR_DOMAIN_CONTROLLER_TYPE_USB:
if (qemuBuildUSBControllerDevStr(def, qemuCaps, &buf) == -1)
goto error;
if (nusbcontroller)
*nusbcontroller += 1;
break;
/* We always get an IDE controller, whether we want it or not. */
case VIR_DOMAIN_CONTROLLER_TYPE_IDE:
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unknown controller type: %s"),
virDomainControllerTypeToString(def->type));
goto error;
}
if (qemuBuildDeviceAddressStr(&buf, &def->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildNicStr(virDomainNetDefPtr net,
const char *prefix,
int vlan)
{
char *str;
if (virAsprintf(&str,
"%smacaddr=%02x:%02x:%02x:%02x:%02x:%02x,vlan=%d%s%s%s%s",
prefix ? prefix : "",
net->mac[0], net->mac[1],
net->mac[2], net->mac[3],
net->mac[4], net->mac[5],
vlan,
(net->model ? ",model=" : ""),
(net->model ? net->model : ""),
(net->info.alias ? ",name=" : ""),
(net->info.alias ? net->info.alias : "")) < 0) {
virReportOOMError();
return NULL;
}
return str;
}
char *
qemuBuildNicDevStr(virDomainNetDefPtr net,
int vlan,
int bootindex,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *nic;
bool usingVirtio = false;
if (!net->model) {
nic = "rtl8139";
} else if (STREQ(net->model, "virtio")) {
nic = "virtio-net-pci";
usingVirtio = true;
} else {
nic = net->model;
}
virBufferAdd(&buf, nic, strlen(nic));
if (usingVirtio && net->driver.virtio.txmode) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_TX_ALG)) {
virBufferAddLit(&buf, ",tx=");
switch (net->driver.virtio.txmode) {
case VIR_DOMAIN_NET_VIRTIO_TX_MODE_IOTHREAD:
virBufferAddLit(&buf, "bh");
break;
case VIR_DOMAIN_NET_VIRTIO_TX_MODE_TIMER:
virBufferAddLit(&buf, "timer");
break;
default:
/* this should never happen, if it does, we need
* to add another case to this switch.
*/
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unrecognized virtio-net-pci 'tx' option"));
goto error;
}
} else {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("virtio-net-pci 'tx' option not supported in this QEMU binary"));
goto error;
}
}
if (usingVirtio) {
qemuBuildIoEventFdStr(&buf, net->driver.virtio.ioeventfd, qemuCaps);
if (net->driver.virtio.event_idx &&
qemuCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_NET_EVENT_IDX)) {
virBufferAsprintf(&buf, ",event_idx=%s",
virDomainVirtioEventIdxTypeToString(net->driver.virtio.event_idx));
}
}
if (vlan == -1)
virBufferAsprintf(&buf, ",netdev=host%s", net->info.alias);
else
virBufferAsprintf(&buf, ",vlan=%d", vlan);
virBufferAsprintf(&buf, ",id=%s", net->info.alias);
virBufferAsprintf(&buf, ",mac=%02x:%02x:%02x:%02x:%02x:%02x",
net->mac[0], net->mac[1],
net->mac[2], net->mac[3],
net->mac[4], net->mac[5]);
if (qemuBuildDeviceAddressStr(&buf, &net->info, qemuCaps) < 0)
goto error;
if (bootindex && qemuCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX))
virBufferAsprintf(&buf, ",bootindex=%d", bootindex);
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildHostNetStr(virDomainNetDefPtr net,
char type_sep,
int vlan,
const char *tapfd,
const char *vhostfd)
{
bool is_tap = false;
virBuffer buf = VIR_BUFFER_INITIALIZER;
switch (virDomainNetGetActualType(net)) {
case VIR_DOMAIN_NET_TYPE_NETWORK:
case VIR_DOMAIN_NET_TYPE_BRIDGE:
case VIR_DOMAIN_NET_TYPE_DIRECT:
virBufferAddLit(&buf, "tap");
virBufferAsprintf(&buf, "%cfd=%s", type_sep, tapfd);
type_sep = ',';
is_tap = true;
break;
case VIR_DOMAIN_NET_TYPE_ETHERNET:
virBufferAddLit(&buf, "tap");
if (net->ifname) {
virBufferAsprintf(&buf, "%cifname=%s", type_sep, net->ifname);
type_sep = ',';
}
if (net->data.ethernet.script) {
virBufferAsprintf(&buf, "%cscript=%s", type_sep,
net->data.ethernet.script);
type_sep = ',';
}
is_tap = true;
break;
case VIR_DOMAIN_NET_TYPE_CLIENT:
case VIR_DOMAIN_NET_TYPE_SERVER:
case VIR_DOMAIN_NET_TYPE_MCAST:
virBufferAddLit(&buf, "socket");
switch (virDomainNetGetActualType(net)) {
case VIR_DOMAIN_NET_TYPE_CLIENT:
virBufferAsprintf(&buf, "%cconnect=%s:%d",
type_sep,
net->data.socket.address,
net->data.socket.port);
break;
case VIR_DOMAIN_NET_TYPE_SERVER:
virBufferAsprintf(&buf, "%clisten=%s:%d",
type_sep,
net->data.socket.address,
net->data.socket.port);
break;
case VIR_DOMAIN_NET_TYPE_MCAST:
virBufferAsprintf(&buf, "%cmcast=%s:%d",
type_sep,
net->data.socket.address,
net->data.socket.port);
break;
case VIR_DOMAIN_NET_TYPE_USER:
case VIR_DOMAIN_NET_TYPE_ETHERNET:
case VIR_DOMAIN_NET_TYPE_NETWORK:
case VIR_DOMAIN_NET_TYPE_BRIDGE:
case VIR_DOMAIN_NET_TYPE_INTERNAL:
case VIR_DOMAIN_NET_TYPE_DIRECT:
case VIR_DOMAIN_NET_TYPE_LAST:
break;
}
type_sep = ',';
break;
case VIR_DOMAIN_NET_TYPE_USER:
default:
virBufferAddLit(&buf, "user");
break;
}
if (vlan >= 0) {
virBufferAsprintf(&buf, "%cvlan=%d", type_sep, vlan);
if (net->info.alias)
virBufferAsprintf(&buf, ",name=host%s",
net->info.alias);
} else {
virBufferAsprintf(&buf, "%cid=host%s",
type_sep, net->info.alias);
}
if (is_tap) {
if (vhostfd && *vhostfd)
virBufferAsprintf(&buf, ",vhost=on,vhostfd=%s", vhostfd);
if (net->tune.sndbuf_specified)
virBufferAsprintf(&buf, ",sndbuf=%lu", net->tune.sndbuf);
}
if (virBufferError(&buf)) {
virBufferFreeAndReset(&buf);
virReportOOMError();
return NULL;
}
return virBufferContentAndReset(&buf);
}
char *
qemuBuildWatchdogDevStr(virDomainWatchdogDefPtr dev,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *model = virDomainWatchdogModelTypeToString(dev->model);
if (!model) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing watchdog model"));
goto error;
}
virBufferAsprintf(&buf, "%s,id=%s", model, dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildMemballoonDevStr(virDomainMemballoonDefPtr dev,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virBufferAddLit(&buf, "virtio-balloon-pci");
virBufferAsprintf(&buf, ",id=%s", dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildUSBInputDevStr(virDomainInputDefPtr dev,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virBufferAsprintf(&buf, "%s,id=%s",
dev->type == VIR_DOMAIN_INPUT_TYPE_MOUSE ?
"usb-mouse" : "usb-tablet", dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildSoundDevStr(virDomainSoundDefPtr sound,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *model = virDomainSoundModelTypeToString(sound->model);
if (!model) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("invalid sound model"));
goto error;
}
/* Hack for weirdly unusual devices name in QEMU */
if (STREQ(model, "es1370"))
model = "ES1370";
else if (STREQ(model, "ac97"))
model = "AC97";
else if (STREQ(model, "ich6"))
model = "intel-hda";
virBufferAsprintf(&buf, "%s,id=%s", model, sound->info.alias);
if (qemuBuildDeviceAddressStr(&buf, &sound->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *
qemuBuildSoundCodecStr(virDomainSoundDefPtr sound,
const char *codec)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
int cad = 0;
virBufferAsprintf(&buf, "%s,id=%s-codec%d,bus=%s.0,cad=%d",
codec, sound->info.alias, cad, sound->info.alias, cad);
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *
qemuBuildVideoDevStr(virDomainVideoDefPtr video,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *model = qemuVideoTypeToString(video->type);
if (!model) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("invalid video model"));
goto error;
}
virBufferAsprintf(&buf, "%s,id=%s", model, video->info.alias);
if (video->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
if (video->vram > (UINT_MAX / 1024)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("value for 'vram' must be less than '%u'"),
UINT_MAX / 1024);
goto error;
}
/* QEMU accepts bytes for vram_size. */
virBufferAsprintf(&buf, ",vram_size=%u", video->vram * 1024);
}
if (qemuBuildDeviceAddressStr(&buf, &video->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
int
qemuOpenPCIConfig(virDomainHostdevDefPtr dev)
{
char *path = NULL;
int configfd = -1;
if (virAsprintf(&path, "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/config",
dev->source.subsys.u.pci.domain,
dev->source.subsys.u.pci.bus,
dev->source.subsys.u.pci.slot,
dev->source.subsys.u.pci.function) < 0) {
virReportOOMError();
return -1;
}
configfd = open(path, O_RDWR, 0);
if (configfd < 0)
virReportSystemError(errno, _("Failed opening %s"), path);
VIR_FREE(path);
return configfd;
}
char *
qemuBuildPCIHostdevDevStr(virDomainHostdevDefPtr dev, const char *configfd,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virBufferAddLit(&buf, "pci-assign");
virBufferAsprintf(&buf, ",host=%.2x:%.2x.%.1x",
dev->source.subsys.u.pci.bus,
dev->source.subsys.u.pci.slot,
dev->source.subsys.u.pci.function);
virBufferAsprintf(&buf, ",id=%s", dev->info.alias);
if (configfd && *configfd)
virBufferAsprintf(&buf, ",configfd=%s", configfd);
if (dev->bootIndex)
virBufferAsprintf(&buf, ",bootindex=%d", dev->bootIndex);
if (qemuBuildDeviceAddressStr(&buf, &dev->info, qemuCaps) < 0)
goto error;
if (dev->rombar) {
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_PCI_ROMBAR)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("rombar not supported in this QEMU binary"));
goto error;
}
switch (dev->rombar) {
case VIR_DOMAIN_PCI_ROMBAR_OFF:
virBufferAddLit(&buf, ",rombar=0");
break;
case VIR_DOMAIN_PCI_ROMBAR_ON:
virBufferAddLit(&buf, ",rombar=1");
break;
default:
break;
}
}
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildPCIHostdevPCIDevStr(virDomainHostdevDefPtr dev)
{
char *ret = NULL;
if (virAsprintf(&ret, "host=%.2x:%.2x.%.1x",
dev->source.subsys.u.pci.bus,
dev->source.subsys.u.pci.slot,
dev->source.subsys.u.pci.function) < 0)
virReportOOMError();
return ret;
}
char *
qemuBuildRedirdevDevStr(virDomainRedirdevDefPtr dev,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (dev->bus != VIR_DOMAIN_REDIRDEV_BUS_USB) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Redirection bus %s is not supported by QEMU"),
virDomainRedirdevBusTypeToString(dev->bus));
goto error;
}
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("USB redirection is not supported "
"by this version of QEMU"));
goto error;
}
virBufferAsprintf(&buf, "usb-redir,chardev=char%s,id=%s",
dev->info.alias,
dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildUSBHostdevDevStr(virDomainHostdevDefPtr dev,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (!dev->source.subsys.u.usb.bus &&
!dev->source.subsys.u.usb.device) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("USB host device is missing bus/device information"));
return NULL;
}
virBufferAsprintf(&buf, "usb-host,hostbus=%d,hostaddr=%d,id=%s",
dev->source.subsys.u.usb.bus,
dev->source.subsys.u.usb.device,
dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildHubDevStr(virDomainHubDefPtr dev,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (dev->type != VIR_DOMAIN_HUB_TYPE_USB) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("hub type %s not supported"),
virDomainHubTypeToString(dev->type));
goto error;
}
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_USB_HUB)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("usb-hub not supported by QEMU binary"));
goto error;
}
virBufferAddLit(&buf, "usb-hub");
virBufferAsprintf(&buf, ",id=%s", dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildUSBHostdevUsbDevStr(virDomainHostdevDefPtr dev)
{
char *ret = NULL;
if (!dev->source.subsys.u.usb.bus &&
!dev->source.subsys.u.usb.device) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("USB host device is missing bus/device information"));
return NULL;
}
if (virAsprintf(&ret, "host:%d.%d",
dev->source.subsys.u.usb.bus,
dev->source.subsys.u.usb.device) < 0)
virReportOOMError();
return ret;
}
/* This function outputs a -chardev command line option which describes only the
* host side of the character device */
static char *
qemuBuildChrChardevStr(virDomainChrSourceDefPtr dev, const char *alias,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
bool telnet;
switch(dev->type) {
case VIR_DOMAIN_CHR_TYPE_NULL:
virBufferAsprintf(&buf, "null,id=char%s", alias);
break;
case VIR_DOMAIN_CHR_TYPE_VC:
virBufferAsprintf(&buf, "vc,id=char%s", alias);
break;
case VIR_DOMAIN_CHR_TYPE_PTY:
virBufferAsprintf(&buf, "pty,id=char%s", alias);
break;
case VIR_DOMAIN_CHR_TYPE_DEV:
virBufferAsprintf(&buf, "tty,id=char%s,path=%s", alias,
dev->data.file.path);
break;
case VIR_DOMAIN_CHR_TYPE_FILE:
virBufferAsprintf(&buf, "file,id=char%s,path=%s", alias,
dev->data.file.path);
break;
case VIR_DOMAIN_CHR_TYPE_PIPE:
virBufferAsprintf(&buf, "pipe,id=char%s,path=%s", alias,
dev->data.file.path);
break;
case VIR_DOMAIN_CHR_TYPE_STDIO:
virBufferAsprintf(&buf, "stdio,id=char%s", alias);
break;
case VIR_DOMAIN_CHR_TYPE_UDP: {
const char *connectHost = dev->data.udp.connectHost;
const char *bindHost = dev->data.udp.bindHost;
const char *bindService = dev->data.udp.bindService;
if (connectHost == NULL)
connectHost = "";
if (bindHost == NULL)
bindHost = "";
if (bindService == NULL)
bindService = "0";
virBufferAsprintf(&buf,
"udp,id=char%s,host=%s,port=%s,localaddr=%s,"
"localport=%s",
alias,
connectHost,
dev->data.udp.connectService,
bindHost, bindService);
break;
}
case VIR_DOMAIN_CHR_TYPE_TCP:
telnet = dev->data.tcp.protocol == VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET;
virBufferAsprintf(&buf,
"socket,id=char%s,host=%s,port=%s%s%s",
alias,
dev->data.tcp.host,
dev->data.tcp.service,
telnet ? ",telnet" : "",
dev->data.tcp.listen ? ",server,nowait" : "");
break;
case VIR_DOMAIN_CHR_TYPE_UNIX:
virBufferAsprintf(&buf,
"socket,id=char%s,path=%s%s",
alias,
dev->data.nix.path,
dev->data.nix.listen ? ",server,nowait" : "");
break;
case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_CHARDEV_SPICEVMC)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("spicevmc not supported in this QEMU binary"));
goto error;
}
virBufferAsprintf(&buf, "spicevmc,id=char%s,name=%s", alias,
virDomainChrSpicevmcTypeToString(dev->data.spicevmc));
break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported chardev '%s'"),
virDomainChrTypeToString(dev->type));
goto error;
}
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *
qemuBuildChrArgStr(virDomainChrSourceDefPtr dev, const char *prefix)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (prefix)
virBufferAdd(&buf, prefix, strlen(prefix));
switch (dev->type) {
case VIR_DOMAIN_CHR_TYPE_NULL:
virBufferAddLit(&buf, "null");
break;
case VIR_DOMAIN_CHR_TYPE_VC:
virBufferAddLit(&buf, "vc");
break;
case VIR_DOMAIN_CHR_TYPE_PTY:
virBufferAddLit(&buf, "pty");
break;
case VIR_DOMAIN_CHR_TYPE_DEV:
virBufferStrcat(&buf, dev->data.file.path, NULL);
break;
case VIR_DOMAIN_CHR_TYPE_FILE:
virBufferAsprintf(&buf, "file:%s", dev->data.file.path);
break;
case VIR_DOMAIN_CHR_TYPE_PIPE:
virBufferAsprintf(&buf, "pipe:%s", dev->data.file.path);
break;
case VIR_DOMAIN_CHR_TYPE_STDIO:
virBufferAddLit(&buf, "stdio");
break;
case VIR_DOMAIN_CHR_TYPE_UDP: {
const char *connectHost = dev->data.udp.connectHost;
const char *bindHost = dev->data.udp.bindHost;
const char *bindService = dev->data.udp.bindService;
if (connectHost == NULL)
connectHost = "";
if (bindHost == NULL)
bindHost = "";
if (bindService == NULL)
bindService = "0";
virBufferAsprintf(&buf, "udp:%s:%s@%s:%s",
connectHost,
dev->data.udp.connectService,
bindHost,
bindService);
break;
}
case VIR_DOMAIN_CHR_TYPE_TCP:
if (dev->data.tcp.protocol == VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET) {
virBufferAsprintf(&buf, "telnet:%s:%s%s",
dev->data.tcp.host,
dev->data.tcp.service,
dev->data.tcp.listen ? ",server,nowait" : "");
} else {
virBufferAsprintf(&buf, "tcp:%s:%s%s",
dev->data.tcp.host,
dev->data.tcp.service,
dev->data.tcp.listen ? ",server,nowait" : "");
}
break;
case VIR_DOMAIN_CHR_TYPE_UNIX:
virBufferAsprintf(&buf, "unix:%s%s",
dev->data.nix.path,
dev->data.nix.listen ? ",server,nowait" : "");
break;
}
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *
qemuBuildVirtioSerialPortDevStr(virDomainChrDefPtr dev,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
switch (dev->deviceType) {
case VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE:
virBufferAddLit(&buf, "virtconsole");
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL:
/* Legacy syntax '-device spicevmc' */
if (dev->source.type == VIR_DOMAIN_CHR_TYPE_SPICEVMC &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SPICEVMC)) {
virBufferAddLit(&buf, "spicevmc");
} else {
virBufferAddLit(&buf, "virtserialport");
}
break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Cannot use virtio serial for parallel/serial devices"));
return NULL;
}
if (dev->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
/* Check it's a virtio-serial address */
if (dev->info.type !=
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_SERIAL)
{
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("virtio serial device has invalid address type"));
goto error;
}
virBufferAsprintf(&buf,
",bus=" QEMU_VIRTIO_SERIAL_PREFIX "%d.%d",
dev->info.addr.vioserial.controller,
dev->info.addr.vioserial.bus);
virBufferAsprintf(&buf,
",nr=%d",
dev->info.addr.vioserial.port);
}
if (dev->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL &&
dev->source.type == VIR_DOMAIN_CHR_TYPE_SPICEVMC &&
dev->target.name &&
STRNEQ(dev->target.name, "com.redhat.spice.0")) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported spicevmc target name '%s'"),
dev->target.name);
goto error;
}
if (!(dev->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL &&
dev->source.type == VIR_DOMAIN_CHR_TYPE_SPICEVMC &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SPICEVMC))) {
virBufferAsprintf(&buf, ",chardev=char%s,id=%s",
dev->info.alias, dev->info.alias);
if (dev->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL &&
dev->target.name) {
virBufferAsprintf(&buf, ",name=%s", dev->target.name);
}
} else {
virBufferAsprintf(&buf, ",id=%s", dev->info.alias);
}
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *qemuBuildSmbiosBiosStr(virSysinfoDefPtr def)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if ((def->bios_vendor == NULL) && (def->bios_version == NULL) &&
(def->bios_date == NULL) && (def->bios_release == NULL))
return(NULL);
virBufferAddLit(&buf, "type=0");
/* 0:Vendor */
if (def->bios_vendor)
virBufferAsprintf(&buf, ",vendor=%s", def->bios_vendor);
/* 0:BIOS Version */
if (def->bios_version)
virBufferAsprintf(&buf, ",version=%s", def->bios_version);
/* 0:BIOS Release Date */
if (def->bios_date)
virBufferAsprintf(&buf, ",date=%s", def->bios_date);
/* 0:System BIOS Major Release and 0:System BIOS Minor Release */
if (def->bios_release)
virBufferAsprintf(&buf, ",release=%s", def->bios_release);
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return(NULL);
}
static char *qemuBuildSmbiosSystemStr(virSysinfoDefPtr def, bool skip_uuid)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if ((def->system_manufacturer == NULL) && (def->system_sku == NULL) &&
(def->system_product == NULL) && (def->system_version == NULL) &&
(def->system_serial == NULL) && (def->system_family == NULL) &&
(def->system_uuid == NULL || skip_uuid))
return NULL;
virBufferAddLit(&buf, "type=1");
/* 1:Manufacturer */
if (def->system_manufacturer)
virBufferAsprintf(&buf, ",manufacturer=%s",
def->system_manufacturer);
/* 1:Product Name */
if (def->system_product)
virBufferAsprintf(&buf, ",product=%s", def->system_product);
/* 1:Version */
if (def->system_version)
virBufferAsprintf(&buf, ",version=%s", def->system_version);
/* 1:Serial Number */
if (def->system_serial)
virBufferAsprintf(&buf, ",serial=%s", def->system_serial);
/* 1:UUID */
if (def->system_uuid && !skip_uuid)
virBufferAsprintf(&buf, ",uuid=%s", def->system_uuid);
/* 1:SKU Number */
if (def->system_sku)
virBufferAsprintf(&buf, ",sku=%s", def->system_sku);
/* 1:Family */
if (def->system_family)
virBufferAsprintf(&buf, ",family=%s", def->system_family);
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return(NULL);
}
static char *
qemuBuildClockArgStr(virDomainClockDefPtr def)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
switch (def->offset) {
case VIR_DOMAIN_CLOCK_OFFSET_UTC:
virBufferAddLit(&buf, "base=utc");
break;
case VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME:
case VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE:
virBufferAddLit(&buf, "base=localtime");
break;
case VIR_DOMAIN_CLOCK_OFFSET_VARIABLE: {
time_t now = time(NULL);
struct tm nowbits;
now += def->data.adjustment;
gmtime_r(&now, &nowbits);
virBufferAsprintf(&buf, "base=%d-%02d-%02dT%02d:%02d:%02d",
nowbits.tm_year + 1900,
nowbits.tm_mon + 1,
nowbits.tm_mday,
nowbits.tm_hour,
nowbits.tm_min,
nowbits.tm_sec);
} break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported clock offset '%s'"),
virDomainClockOffsetTypeToString(def->offset));
goto error;
}
/* Look for an 'rtc' timer element, and add in appropriate clock= and driftfix= */
int i;
for (i = 0; i < def->ntimers; i++) {
if (def->timers[i]->name == VIR_DOMAIN_TIMER_NAME_RTC) {
switch (def->timers[i]->track) {
case -1: /* unspecified - use hypervisor default */
break;
case VIR_DOMAIN_TIMER_TRACK_BOOT:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported rtc timer track '%s'"),
virDomainTimerTrackTypeToString(def->timers[i]->track));
goto error;
case VIR_DOMAIN_TIMER_TRACK_GUEST:
virBufferAddLit(&buf, ",clock=vm");
break;
case VIR_DOMAIN_TIMER_TRACK_WALL:
virBufferAddLit(&buf, ",clock=host");
break;
}
switch (def->timers[i]->tickpolicy) {
case -1:
case VIR_DOMAIN_TIMER_TICKPOLICY_DELAY:
/* This is the default - missed ticks delivered when
next scheduled, at normal rate */
break;
case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP:
/* deliver ticks at a faster rate until caught up */
virBufferAddLit(&buf, ",driftfix=slew");
break;
case VIR_DOMAIN_TIMER_TICKPOLICY_MERGE:
case VIR_DOMAIN_TIMER_TICKPOLICY_DISCARD:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported rtc timer tickpolicy '%s'"),
virDomainTimerTickpolicyTypeToString(def->timers[i]->tickpolicy));
goto error;
}
break; /* no need to check other timers - there is only one rtc */
}
}
if (virBufferError(&buf)) {
virReportOOMError();
goto error;
}
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static int
qemuBuildCpuArgStr(const struct qemud_driver *driver,
const virDomainDefPtr def,
const char *emulator,
virBitmapPtr qemuCaps,
const struct utsname *ut,
char **opt,
bool *hasHwVirt)
{
const virCPUDefPtr host = driver->caps->host.cpu;
virCPUDefPtr guest = NULL;
unsigned int ncpus = 0;
const char **cpus = NULL;
union cpuData *data = NULL;
int ret = -1;
virBuffer buf = VIR_BUFFER_INITIALIZER;
int i;
*hasHwVirt = false;
if (def->cpu && def->cpu->model) {
if (host &&
qemuCapsProbeCPUModels(emulator, qemuCaps, host->arch,
&ncpus, &cpus) < 0)
goto cleanup;
if (!ncpus || !host) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("CPU specification not supported by hypervisor"));
goto cleanup;
}
}
if (ncpus > 0 && host) {
virCPUCompareResult cmp;
const char *preferred;
int hasSVM;
cmp = cpuGuestData(host, def->cpu, &data);
switch (cmp) {
case VIR_CPU_COMPARE_INCOMPATIBLE:
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("guest CPU is not compatible with host CPU"));
/* fall through */
case VIR_CPU_COMPARE_ERROR:
goto cleanup;
default:
break;
}
if (VIR_ALLOC(guest) < 0 || !(guest->arch = strdup(host->arch)))
goto no_memory;
if (def->cpu->match == VIR_CPU_MATCH_MINIMUM)
preferred = host->model;
else
preferred = def->cpu->model;
guest->type = VIR_CPU_TYPE_GUEST;
if (cpuDecode(guest, data, cpus, ncpus, preferred) < 0)
goto cleanup;
/* Only 'svm' requires --enable-nesting. The nested
* 'vmx' patches now simply hook off the CPU features
*/
hasSVM = cpuHasFeature(guest->arch, data, "svm");
if (hasSVM < 0)
goto cleanup;
*hasHwVirt = hasSVM > 0 ? true : false;
virBufferAdd(&buf, guest->model, -1);
for (i = 0; i < guest->nfeatures; i++) {
char sign;
if (guest->features[i].policy == VIR_CPU_FEATURE_DISABLE)
sign = '-';
else
sign = '+';
virBufferAsprintf(&buf, ",%c%s", sign, guest->features[i].name);
}
}
else {
/*
* Need to force a 32-bit guest CPU type if
*
* 1. guest OS is i686
* 2. host OS is x86_64
* 3. emulator is qemu-kvm or kvm
*
* Or
*
* 1. guest OS is i686
* 2. emulator is qemu-system-x86_64
*/
if (STREQ(def->os.arch, "i686") &&
((STREQ(ut->machine, "x86_64") &&
strstr(emulator, "kvm")) ||
strstr(emulator, "x86_64")))
virBufferAddLit(&buf, "qemu32");
}
if (virBufferError(&buf))
goto no_memory;
*opt = virBufferContentAndReset(&buf);
ret = 0;
cleanup:
if (guest)
cpuDataFree(guest->arch, data);
virCPUDefFree(guest);
if (cpus) {
for (i = 0; i < ncpus; i++)
VIR_FREE(cpus[i]);
VIR_FREE(cpus);
}
return ret;
no_memory:
virReportOOMError();
goto cleanup;
}
static char *
qemuBuildSmpArgStr(const virDomainDefPtr def,
virBitmapPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virBufferAsprintf(&buf, "%u", def->vcpus);
if (qemuCapsGet(qemuCaps, QEMU_CAPS_SMP_TOPOLOGY)) {
if (def->vcpus != def->maxvcpus)
virBufferAsprintf(&buf, ",maxcpus=%u", def->maxvcpus);
/* sockets, cores, and threads are either all zero
* or all non-zero, thus checking one of them is enough */
if (def->cpu && def->cpu->sockets) {
virBufferAsprintf(&buf, ",sockets=%u", def->cpu->sockets);
virBufferAsprintf(&buf, ",cores=%u", def->cpu->cores);
virBufferAsprintf(&buf, ",threads=%u", def->cpu->threads);
}
else {
virBufferAsprintf(&buf, ",sockets=%u", def->maxvcpus);
virBufferAsprintf(&buf, ",cores=%u", 1);
virBufferAsprintf(&buf, ",threads=%u", 1);
}
} else if (def->vcpus != def->maxvcpus) {
virBufferFreeAndReset(&buf);
/* FIXME - consider hot-unplugging cpus after boot for older qemu */
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("setting current vcpu count less than maximum is "
"not supported with this QEMU binary"));
return NULL;
}
if (virBufferError(&buf)) {
virBufferFreeAndReset(&buf);
virReportOOMError();
return NULL;
}
return virBufferContentAndReset(&buf);
}
/*
* Constructs a argv suitable for launching qemu with config defined
* for a given virtual machine.
*
* XXX 'conn' is only required to resolve network -> bridge name
* figure out how to remove this requirement some day
*/
virCommandPtr
qemuBuildCommandLine(virConnectPtr conn,
struct qemud_driver *driver,
virDomainDefPtr def,
virDomainChrSourceDefPtr monitor_chr,
bool monitor_json,
virBitmapPtr qemuCaps,
const char *migrateFrom,
int migrateFd,
virDomainSnapshotObjPtr snapshot,
enum virVMOperationType vmop)
{
int i;
struct utsname ut;
int disableKQEMU = 0;
int enableKQEMU = 0;
int disableKVM = 0;
int enableKVM = 0;
const char *emulator;
char uuid[VIR_UUID_STRING_BUFLEN];
char *cpu;
char *smp;
int last_good_net = -1;
bool hasHwVirt = false;
virCommandPtr cmd;
bool has_rbd_hosts = false;
virBuffer rbd_hosts = VIR_BUFFER_INITIALIZER;
bool emitBootindex = false;
int usbcontroller = 0;
bool usblegacy = false;
uname_normalize(&ut);
virUUIDFormat(def->uuid, uuid);
emulator = def->emulator;
/*
* do not use boot=on for drives when not using KVM since this
* is not supported at all in upstream QEmu.
*/
if (qemuCapsGet(qemuCaps, QEMU_CAPS_KVM) &&
(def->virtType == VIR_DOMAIN_VIRT_QEMU))
qemuCapsClear(qemuCaps, QEMU_CAPS_DRIVE_BOOT);
switch (def->virtType) {
case VIR_DOMAIN_VIRT_QEMU:
if (qemuCapsGet(qemuCaps, QEMU_CAPS_KQEMU))
disableKQEMU = 1;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_KVM))
disableKVM = 1;
break;
case VIR_DOMAIN_VIRT_KQEMU:
if (qemuCapsGet(qemuCaps, QEMU_CAPS_KVM))
disableKVM = 1;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_ENABLE_KQEMU)) {
enableKQEMU = 1;
} else if (!qemuCapsGet(qemuCaps, QEMU_CAPS_KQEMU)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("the QEMU binary %s does not support kqemu"),
emulator);
}
break;
case VIR_DOMAIN_VIRT_KVM:
if (qemuCapsGet(qemuCaps, QEMU_CAPS_KQEMU))
disableKQEMU = 1;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_ENABLE_KVM)) {
enableKVM = 1;
} else if (!qemuCapsGet(qemuCaps, QEMU_CAPS_KVM)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("the QEMU binary %s does not support kvm"),
emulator);
}
break;
case VIR_DOMAIN_VIRT_XEN:
/* XXX better check for xenner */
break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("the QEMU binary %s does not support %s"),
emulator, virDomainVirtTypeToString(def->virtType));
break;
}
cmd = virCommandNewArgList(emulator, "-S", NULL);
virCommandAddEnvPassCommon(cmd);
/* This should *never* be NULL, since we always provide
* a machine in the capabilities data for QEMU. So this
* check is just here as a safety in case the unexpected
* happens */
if (def->os.machine)
virCommandAddArgList(cmd, "-M", def->os.machine, NULL);
if (qemuBuildCpuArgStr(driver, def, emulator, qemuCaps,
&ut, &cpu, &hasHwVirt) < 0)
goto error;
if (cpu) {
virCommandAddArgList(cmd, "-cpu", cpu, NULL);
VIR_FREE(cpu);
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NESTING) &&
hasHwVirt)
virCommandAddArg(cmd, "-enable-nesting");
}
if (disableKQEMU)
virCommandAddArg(cmd, "-no-kqemu");
else if (enableKQEMU)
virCommandAddArgList(cmd, "-enable-kqemu", "-kernel-kqemu", NULL);
if (disableKVM)
virCommandAddArg(cmd, "-no-kvm");
if (enableKVM)
virCommandAddArg(cmd, "-enable-kvm");
/* Set '-m MB' based on maxmem, because the lower 'memory' limit
* is set post-startup using the balloon driver. If balloon driver
* is not supported, then they're out of luck anyway
*/
virCommandAddArg(cmd, "-m");
virCommandAddArgFormat(cmd, "%lu", VIR_DIV_UP(def->mem.max_balloon, 1024));
if (def->mem.hugepage_backed) {
if (!driver->hugetlbfs_mount) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("hugetlbfs filesystem is not mounted"));
goto error;
}
if (!driver->hugepage_path) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("hugepages are disabled by administrator config"));
goto error;
}
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_MEM_PATH)) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("hugepage backing not supported by '%s'"),
def->emulator);
goto error;
}
virCommandAddArgList(cmd, "-mem-prealloc", "-mem-path",
driver->hugepage_path, NULL);
}
virCommandAddArg(cmd, "-smp");
if (!(smp = qemuBuildSmpArgStr(def, qemuCaps)))
goto error;
virCommandAddArg(cmd, smp);
VIR_FREE(smp);
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NAME)) {
virCommandAddArg(cmd, "-name");
if (driver->setProcessName &&
qemuCapsGet(qemuCaps, QEMU_CAPS_NAME_PROCESS)) {
virCommandAddArgFormat(cmd, "%s,process=qemu:%s",
def->name, def->name);
} else {
virCommandAddArg(cmd, def->name);
}
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_UUID))
virCommandAddArgList(cmd, "-uuid", uuid, NULL);
if (def->virtType == VIR_DOMAIN_VIRT_XEN ||
STREQ(def->os.type, "xen") ||
STREQ(def->os.type, "linux")) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DOMID)) {
virCommandAddArg(cmd, "-domid");
virCommandAddArgFormat(cmd, "%d", def->id);
} else if (qemuCapsGet(qemuCaps, QEMU_CAPS_XEN_DOMID)) {
virCommandAddArg(cmd, "-xen-attach");
virCommandAddArg(cmd, "-xen-domid");
virCommandAddArgFormat(cmd, "%d", def->id);
} else {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("qemu emulator '%s' does not support xen"),
def->emulator);
goto error;
}
}
if ((def->os.smbios_mode != VIR_DOMAIN_SMBIOS_NONE) &&
(def->os.smbios_mode != VIR_DOMAIN_SMBIOS_EMULATE)) {
virSysinfoDefPtr source = NULL;
bool skip_uuid = false;
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_SMBIOS_TYPE)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("the QEMU binary %s does not support smbios settings"),
emulator);
goto error;
}
/* should we really error out or just warn in those cases ? */
if (def->os.smbios_mode == VIR_DOMAIN_SMBIOS_HOST) {
if (driver->hostsysinfo == NULL) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Host SMBIOS information is not available"));
goto error;
}
source = driver->hostsysinfo;
/* Host and guest uuid must differ, by definition of UUID. */
skip_uuid = true;
} else if (def->os.smbios_mode == VIR_DOMAIN_SMBIOS_SYSINFO) {
if (def->sysinfo == NULL) {
qemuReportError(VIR_ERR_XML_ERROR,
_("Domain '%s' sysinfo are not available"),
def->name);
goto error;
}
source = def->sysinfo;
/* domain_conf guaranteed that system_uuid matches guest uuid. */
}
if (source != NULL) {
char *smbioscmd;
smbioscmd = qemuBuildSmbiosBiosStr(source);
if (smbioscmd != NULL) {
virCommandAddArgList(cmd, "-smbios", smbioscmd, NULL);
VIR_FREE(smbioscmd);
}
smbioscmd = qemuBuildSmbiosSystemStr(source, skip_uuid);
if (smbioscmd != NULL) {
virCommandAddArgList(cmd, "-smbios", smbioscmd, NULL);
VIR_FREE(smbioscmd);
}
}
}
/*
* NB, -nographic *MUST* come before any serial, or monitor
* or parallel port flags due to QEMU craziness, where it
* decides to change the serial port & monitor to be on stdout
* if you ask for nographic. So we have to make sure we override
* these defaults ourselves...
*/
if (!def->graphics)
virCommandAddArg(cmd, "-nographic");
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NODEFCONFIG))
virCommandAddArg(cmd,
"-nodefconfig"); /* Disable global config files */
virCommandAddArg(cmd,
"-nodefaults"); /* Disable default guest devices */
}
/* Serial graphics adapter */
if (def->os.bios.useserial == VIR_DOMAIN_BIOS_USESERIAL_YES) {
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("qemu does not support -device"));
goto error;
}
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_SGA)) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("qemu does not support SGA"));
goto error;
}
if (!def->nserials) {
qemuReportError(VIR_ERR_XML_ERROR, "%s",
_("need at least one serial port to use SGA"));
goto error;
}
virCommandAddArgList(cmd, "-device", "sga", NULL);
}
if (monitor_chr) {
char *chrdev;
/* Use -chardev if it's available */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_CHARDEV)) {
virCommandAddArg(cmd, "-chardev");
if (!(chrdev = qemuBuildChrChardevStr(monitor_chr, "monitor",
qemuCaps)))
goto error;
virCommandAddArg(cmd, chrdev);
VIR_FREE(chrdev);
virCommandAddArg(cmd, "-mon");
virCommandAddArgFormat(cmd,
"chardev=charmonitor,id=monitor,mode=%s",
monitor_json ? "control" : "readline");
} else {
const char *prefix = NULL;
if (monitor_json)
prefix = "control,";
virCommandAddArg(cmd, "-monitor");
if (!(chrdev = qemuBuildChrArgStr(monitor_chr, prefix)))
goto error;
virCommandAddArg(cmd, chrdev);
VIR_FREE(chrdev);
}
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_RTC)) {
const char *rtcopt;
virCommandAddArg(cmd, "-rtc");
if (!(rtcopt = qemuBuildClockArgStr(&def->clock)))
goto error;
virCommandAddArg(cmd, rtcopt);
VIR_FREE(rtcopt);
} else {
switch (def->clock.offset) {
case VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME:
case VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE:
virCommandAddArg(cmd, "-localtime");
break;
case VIR_DOMAIN_CLOCK_OFFSET_UTC:
/* Nothing, its the default */
break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported clock offset '%s'"),
virDomainClockOffsetTypeToString(def->clock.offset));
goto error;
}
}
if (def->clock.offset == VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE &&
def->clock.data.timezone) {
virCommandAddEnvPair(cmd, "TZ", def->clock.data.timezone);
}
for (i = 0; i < def->clock.ntimers; i++) {
switch (def->clock.timers[i]->name) {
default:
case VIR_DOMAIN_TIMER_NAME_PLATFORM:
case VIR_DOMAIN_TIMER_NAME_TSC:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported timer type (name) '%s'"),
virDomainTimerNameTypeToString(def->clock.timers[i]->name));
goto error;
case VIR_DOMAIN_TIMER_NAME_RTC:
/* This has already been taken care of (in qemuBuildClockArgStr)
if QEMU_CAPS_RTC is set (mutually exclusive with
QEMUD_FLAG_RTC_TD_HACK) */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_RTC_TD_HACK)) {
switch (def->clock.timers[i]->tickpolicy) {
case -1:
case VIR_DOMAIN_TIMER_TICKPOLICY_DELAY:
/* the default - do nothing */
break;
case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP:
virCommandAddArg(cmd, "-rtc-td-hack");
break;
case VIR_DOMAIN_TIMER_TICKPOLICY_MERGE:
case VIR_DOMAIN_TIMER_TICKPOLICY_DISCARD:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported rtc tickpolicy '%s'"),
virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy));
goto error;
}
} else if (!qemuCapsGet(qemuCaps, QEMU_CAPS_RTC)
&& (def->clock.timers[i]->tickpolicy
!= VIR_DOMAIN_TIMER_TICKPOLICY_DELAY)
&& (def->clock.timers[i]->tickpolicy != -1)) {
/* a non-default rtc policy was given, but there is no
way to implement it in this version of qemu */
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported rtc tickpolicy '%s'"),
virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy));
goto error;
}
break;
case VIR_DOMAIN_TIMER_NAME_PIT:
switch (def->clock.timers[i]->tickpolicy) {
case -1:
case VIR_DOMAIN_TIMER_TICKPOLICY_DELAY:
/* delay is the default if we don't have kernel
(-no-kvm-pit), otherwise, the default is catchup. */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NO_KVM_PIT))
virCommandAddArg(cmd, "-no-kvm-pit-reinjection");
break;
case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP:
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NO_KVM_PIT)) {
/* do nothing - this is default for kvm-pit */
} else if (qemuCapsGet(qemuCaps, QEMU_CAPS_TDF)) {
/* -tdf switches to 'catchup' with userspace pit. */
virCommandAddArg(cmd, "-tdf");
} else {
/* can't catchup if we have neither pit mode */
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported pit tickpolicy '%s'"),
virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy));
goto error;
}
break;
case VIR_DOMAIN_TIMER_TICKPOLICY_MERGE:
case VIR_DOMAIN_TIMER_TICKPOLICY_DISCARD:
/* no way to support these modes for pit in qemu */
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported pit tickpolicy '%s'"),
virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy));
goto error;
}
break;
case VIR_DOMAIN_TIMER_NAME_HPET:
/* the only meaningful attribute for hpet is "present". If
* present is -1, that means it wasn't specified, and
* should be left at the default for the
* hypervisor. "default" when -no-hpet exists is "yes",
* and when -no-hpet doesn't exist is "no". "confusing"?
* "yes"! */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NO_HPET)) {
if (def->clock.timers[i]->present == 0)
virCommandAddArg(cmd, "-no-hpet");
} else {
/* no hpet timer available. The only possible action
is to raise an error if present="yes" */
if (def->clock.timers[i]->present == 1) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("pit timer is not supported"));
}
}
break;
}
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NO_REBOOT) &&
def->onReboot != VIR_DOMAIN_LIFECYCLE_RESTART)
virCommandAddArg(cmd, "-no-reboot");
/* If JSON monitor is enabled, we can receive an event
* when QEMU stops. If we use no-shutdown, then we can
* watch for this event and do a soft/warm reboot.
*/
if (monitor_json && qemuCapsGet(qemuCaps, QEMU_CAPS_NO_SHUTDOWN))
virCommandAddArg(cmd, "-no-shutdown");
if (!(def->features & (1 << VIR_DOMAIN_FEATURE_ACPI)))
virCommandAddArg(cmd, "-no-acpi");
if (!def->os.bootloader) {
/*
* We prefer using explicit bootindex=N parameters for predictable
* results even though domain XML doesn't use per device boot elements.
* However, we can't use bootindex if boot menu was requested.
*/
if (!def->os.nBootDevs) {
/* def->os.nBootDevs is guaranteed to be > 0 unless per-device boot
* configuration is used
*/
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("hypervisor lacks deviceboot feature"));
goto error;
}
emitBootindex = true;
} else if (qemuCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX) &&
(def->os.bootmenu != VIR_DOMAIN_BOOT_MENU_ENABLED ||
!qemuCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU))) {
emitBootindex = true;
}
if (!emitBootindex) {
virBuffer boot_buf = VIR_BUFFER_INITIALIZER;
char boot[VIR_DOMAIN_BOOT_LAST+1];
for (i = 0 ; i < def->os.nBootDevs ; i++) {
switch (def->os.bootDevs[i]) {
case VIR_DOMAIN_BOOT_CDROM:
boot[i] = 'd';
break;
case VIR_DOMAIN_BOOT_FLOPPY:
boot[i] = 'a';
break;
case VIR_DOMAIN_BOOT_DISK:
boot[i] = 'c';
break;
case VIR_DOMAIN_BOOT_NET:
boot[i] = 'n';
break;
default:
boot[i] = 'c';
break;
}
}
boot[def->os.nBootDevs] = '\0';
virCommandAddArg(cmd, "-boot");
if (qemuCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU) &&
def->os.bootmenu != VIR_DOMAIN_BOOT_MENU_DEFAULT) {
if (def->os.bootmenu == VIR_DOMAIN_BOOT_MENU_ENABLED)
virBufferAsprintf(&boot_buf, "order=%s,menu=on", boot);
else if (def->os.bootmenu == VIR_DOMAIN_BOOT_MENU_DISABLED)
virBufferAsprintf(&boot_buf, "order=%s,menu=off", boot);
} else {
virBufferAdd(&boot_buf, boot, -1);
}
virCommandAddArgBuffer(cmd, &boot_buf);
}
if (def->os.kernel)
virCommandAddArgList(cmd, "-kernel", def->os.kernel, NULL);
if (def->os.initrd)
virCommandAddArgList(cmd, "-initrd", def->os.initrd, NULL);
if (def->os.cmdline)
virCommandAddArgList(cmd, "-append", def->os.cmdline, NULL);
} else {
virCommandAddArgList(cmd, "-bootloader", def->os.bootloader, NULL);
}
for (i = 0 ; i < def->ndisks ; i++) {
virDomainDiskDefPtr disk = def->disks[i];
if (disk->driverName != NULL &&
!STREQ(disk->driverName, "qemu")) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported driver name '%s' for disk '%s'"),
disk->driverName, disk->src);
goto error;
}
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
for (i = 0 ; i < def->ncontrollers ; i++) {
virDomainControllerDefPtr cont = def->controllers[i];
/* We don't add an explicit IDE or FD controller because the
* provided PIIX4 device already includes one. It isn't possible to
* remove the PIIX4. */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE ||
cont->type == VIR_DOMAIN_CONTROLLER_TYPE_FDC)
continue;
/* Only recent QEMU implements a SATA (AHCI) controller */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_SATA) {
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_ICH9_AHCI)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("SATA is not supported with this QEMU binary"));
goto error;
} else {
char *devstr;
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildControllerDevStr(cont, qemuCaps, NULL)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
} else if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
def->controllers[i]->model == -1 &&
!qemuCapsGet(qemuCaps, QEMU_CAPS_PIIX3_USB_UHCI)) {
if (usblegacy) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Multiple legacy USB controller not supported"));
goto error;
}
usblegacy = true;
} else {
virCommandAddArg(cmd, "-device");
char *devstr;
if (!(devstr = qemuBuildControllerDevStr(def->controllers[i], qemuCaps,
&usbcontroller)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
}
}
/* If QEMU supports -drive param instead of old -hda, -hdb, -cdrom .. */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE)) {
int bootCD = 0, bootFloppy = 0, bootDisk = 0;
if ((qemuCapsGet(qemuCaps, QEMU_CAPS_DRIVE_BOOT) || emitBootindex) &&
!def->os.kernel) {
/* bootDevs will get translated into either bootindex=N or boot=on
* depending on what qemu supports */
for (i = 0 ; i < def->os.nBootDevs ; i++) {
switch (def->os.bootDevs[i]) {
case VIR_DOMAIN_BOOT_CDROM:
bootCD = i + 1;
break;
case VIR_DOMAIN_BOOT_FLOPPY:
bootFloppy = i + 1;
break;
case VIR_DOMAIN_BOOT_DISK:
bootDisk = i + 1;
break;
}
}
}
for (i = 0 ; i < def->ndisks ; i++) {
char *optstr;
int bootindex = 0;
virDomainDiskDefPtr disk = def->disks[i];
int withDeviceArg = 0;
bool deviceFlagMasked = false;
int j;
/* Unless we have -device, then USB disks need special
handling */
if ((disk->bus == VIR_DOMAIN_DISK_BUS_USB) &&
!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
virCommandAddArg(cmd, "-usbdevice");
virCommandAddArgFormat(cmd, "disk:%s", disk->src);
} else {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported usb disk type for '%s'"),
disk->src);
goto error;
}
continue;
}
switch (disk->device) {
case VIR_DOMAIN_DISK_DEVICE_CDROM:
bootindex = bootCD;
bootCD = 0;
break;
case VIR_DOMAIN_DISK_DEVICE_FLOPPY:
bootindex = bootFloppy;
bootFloppy = 0;
break;
case VIR_DOMAIN_DISK_DEVICE_DISK:
bootindex = bootDisk;
bootDisk = 0;
break;
}
virCommandAddArg(cmd, "-drive");
/* Unfortunately it is not possible to use
-device for floppies, or Xen paravirt
devices. Fortunately, those don't need
static PCI addresses, so we don't really
care that we can't use -device */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
if (disk->bus != VIR_DOMAIN_DISK_BUS_XEN) {
withDeviceArg = 1;
} else {
qemuCapsClear(qemuCaps, QEMU_CAPS_DEVICE);
deviceFlagMasked = true;
}
}
optstr = qemuBuildDriveStr(conn, disk,
emitBootindex ? false : !!bootindex,
qemuCaps);
if (deviceFlagMasked)
qemuCapsSet(qemuCaps, QEMU_CAPS_DEVICE);
if (!optstr)
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK &&
disk->protocol == VIR_DOMAIN_DISK_PROTOCOL_RBD) {
for (j = 0 ; j < disk->nhosts ; j++) {
if (!has_rbd_hosts) {
virBufferAddLit(&rbd_hosts, "CEPH_ARGS=-m ");
has_rbd_hosts = true;
} else {
virBufferAddLit(&rbd_hosts, ",");
}
virDomainDiskHostDefPtr host = &disk->hosts[j];
if (host->port) {
virBufferAsprintf(&rbd_hosts, "%s:%s",
host->name,
host->port);
} else {
virBufferAdd(&rbd_hosts, host->name, -1);
}
}
}
if (!emitBootindex)
bootindex = 0;
else if (disk->bootIndex)
bootindex = disk->bootIndex;
if (withDeviceArg) {
if (disk->bus == VIR_DOMAIN_DISK_BUS_FDC) {
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "isa-fdc.drive%c=drive-%s",
disk->info.addr.drive.unit
? 'B' : 'A',
disk->info.alias);
if (bootindex) {
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "isa-fdc.bootindex%c=%d",
disk->info.addr.drive.unit
? 'B' : 'A',
bootindex);
}
} else {
virCommandAddArg(cmd, "-device");
if (!(optstr = qemuBuildDriveDevStr(disk, bootindex,
qemuCaps)))
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
}
}
}
} else {
for (i = 0 ; i < def->ndisks ; i++) {
char dev[NAME_MAX];
char *file;
const char *fmt;
virDomainDiskDefPtr disk = def->disks[i];
int j;
if (disk->bus == VIR_DOMAIN_DISK_BUS_USB) {
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
virCommandAddArg(cmd, "-usbdevice");
virCommandAddArgFormat(cmd, "disk:%s", disk->src);
} else {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported usb disk type for '%s'"),
disk->src);
goto error;
}
continue;
}
if (STREQ(disk->dst, "hdc") &&
disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) {
if (disk->src) {
snprintf(dev, NAME_MAX, "-%s", "cdrom");
} else {
continue;
}
} else {
if (STRPREFIX(disk->dst, "hd") ||
STRPREFIX(disk->dst, "fd")) {
snprintf(dev, NAME_MAX, "-%s", disk->dst);
} else {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk type '%s'"), disk->dst);
goto error;
}
}
if (disk->type == VIR_DOMAIN_DISK_TYPE_DIR) {
/* QEMU only supports magic FAT format for now */
if (disk->driverType &&
STRNEQ(disk->driverType, "fat")) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk driver type for '%s'"),
disk->driverType);
goto error;
}
if (!disk->readonly) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot create virtual FAT disks in read-write mode"));
goto error;
}
if (disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY)
fmt = "fat:floppy:%s";
else
fmt = "fat:%s";
if (virAsprintf(&file, fmt, disk->src) < 0) {
goto no_memory;
}
} else if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK) {
switch (disk->protocol) {
case VIR_DOMAIN_DISK_PROTOCOL_NBD:
if (disk->nhosts != 1) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("NBD accepts only one host"));
goto error;
}
if (virAsprintf(&file, "nbd:%s:%s,", disk->hosts->name,
disk->hosts->port) < 0) {
goto no_memory;
}
break;
case VIR_DOMAIN_DISK_PROTOCOL_RBD:
if (virAsprintf(&file, "rbd:%s,", disk->src) < 0) {
goto no_memory;
}
for (j = 0 ; j < disk->nhosts ; j++) {
if (!has_rbd_hosts) {
virBufferAddLit(&rbd_hosts, "CEPH_ARGS=-m ");
has_rbd_hosts = true;
} else {
virBufferAddLit(&rbd_hosts, ",");
}
virDomainDiskHostDefPtr host = &disk->hosts[j];
if (host->port) {
virBufferAsprintf(&rbd_hosts, "%s:%s",
host->name,
host->port);
} else {
virBufferAdd(&rbd_hosts, host->name, -1);
}
}
break;
case VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG:
if (disk->nhosts == 0) {
if (virAsprintf(&file, "sheepdog:%s,", disk->src) < 0) {
goto no_memory;
}
} else {
/* only one host is supported now */
if (virAsprintf(&file, "sheepdog:%s:%s:%s,",
disk->hosts->name, disk->hosts->port,
disk->src) < 0) {
goto no_memory;
}
}
break;
}
} else {
if (!(file = strdup(disk->src))) {
goto no_memory;
}
}
virCommandAddArgList(cmd, dev, file, NULL);
VIR_FREE(file);
}
}
if (has_rbd_hosts)
virCommandAddEnvBuffer(cmd, &rbd_hosts);
if (qemuCapsGet(qemuCaps, QEMU_CAPS_FSDEV)) {
for (i = 0 ; i < def->nfss ; i++) {
char *optstr;
virDomainFSDefPtr fs = def->fss[i];
virCommandAddArg(cmd, "-fsdev");
if (!(optstr = qemuBuildFSStr(fs, qemuCaps)))
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
virCommandAddArg(cmd, "-device");
if (!(optstr = qemuBuildFSDevStr(fs, qemuCaps)))
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
}
} else {
if (def->nfss) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("filesystem passthrough not supported by this QEMU"));
goto error;
}
}
if (!def->nnets) {
/* If we have -device, then we set -nodefault already */
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
virCommandAddArgList(cmd, "-net", "none", NULL);
} else {
int bootNet = 0;
if (emitBootindex) {
/* convert <boot dev='network'/> to bootindex since we didn't emit
* -boot n
*/
for (i = 0 ; i < def->os.nBootDevs ; i++) {
if (def->os.bootDevs[i] == VIR_DOMAIN_BOOT_NET) {
bootNet = i + 1;
break;
}
}
}
for (i = 0 ; i < def->nnets ; i++) {
virDomainNetDefPtr net = def->nets[i];
char *nic, *host;
char tapfd_name[50];
char vhostfd_name[50] = "";
int vlan;
int bootindex = bootNet;
int actualType;
bootNet = 0;
if (!bootindex)
bootindex = net->bootIndex;
/* VLANs are not used with -netdev, so don't record them */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
vlan = -1;
else
vlan = i;
/* If appropriate, grab a physical device from the configured
* network's pool of devices, or resolve bridge device name
* to the one defined in the network definition.
*/
if (networkAllocateActualDevice(net) < 0)
goto error;
actualType = virDomainNetGetActualType(net);
if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK ||
actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) {
int tapfd = qemuNetworkIfaceConnect(def, conn, driver, net,
qemuCaps);
if (tapfd < 0)
goto error;
last_good_net = i;
virCommandTransferFD(cmd, tapfd);
if (snprintf(tapfd_name, sizeof(tapfd_name), "%d",
tapfd) >= sizeof(tapfd_name))
goto no_memory;
} else if (actualType == VIR_DOMAIN_NET_TYPE_DIRECT) {
int tapfd = qemuPhysIfaceConnect(def, conn, driver, net,
qemuCaps, vmop);
if (tapfd < 0)
goto error;
last_good_net = i;
virCommandTransferFD(cmd, tapfd);
if (snprintf(tapfd_name, sizeof(tapfd_name), "%d",
tapfd) >= sizeof(tapfd_name))
goto no_memory;
}
if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK ||
actualType == VIR_DOMAIN_NET_TYPE_BRIDGE ||
actualType == VIR_DOMAIN_NET_TYPE_DIRECT) {
/* Attempt to use vhost-net mode for these types of
network device */
int vhostfd;
if (qemuOpenVhostNet(def, net, qemuCaps, &vhostfd) < 0)
goto error;
if (vhostfd >= 0) {
virCommandTransferFD(cmd, vhostfd);
if (snprintf(vhostfd_name, sizeof(vhostfd_name), "%d",
vhostfd) >= sizeof(vhostfd_name))
goto no_memory;
}
}
/* Possible combinations:
*
* 1. Old way: -net nic,model=e1000,vlan=1 -net tap,vlan=1
* 2. Semi-new: -device e1000,vlan=1 -net tap,vlan=1
* 3. Best way: -netdev type=tap,id=netdev1 -device e1000,id=netdev1
*
* NB, no support for -netdev without use of -device
*/
if (qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-netdev");
if (!(host = qemuBuildHostNetStr(net, ',', vlan,
tapfd_name, vhostfd_name)))
goto error;
virCommandAddArg(cmd, host);
VIR_FREE(host);
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-device");
nic = qemuBuildNicDevStr(net, vlan, bootindex, qemuCaps);
if (!nic)
goto error;
virCommandAddArg(cmd, nic);
VIR_FREE(nic);
} else {
virCommandAddArg(cmd, "-net");
if (!(nic = qemuBuildNicStr(net, "nic,", vlan)))
goto error;
virCommandAddArg(cmd, nic);
VIR_FREE(nic);
}
if (!(qemuCapsGet(qemuCaps, QEMU_CAPS_NETDEV) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))) {
virCommandAddArg(cmd, "-net");
if (!(host = qemuBuildHostNetStr(net, ',', vlan,
tapfd_name, vhostfd_name)))
goto error;
virCommandAddArg(cmd, host);
VIR_FREE(host);
}
}
}
if (def->nsmartcards) {
/* -device usb-ccid was already emitted along with other
* controllers. For now, qemu handles only one smartcard. */
virDomainSmartcardDefPtr smartcard = def->smartcards[0];
char *devstr;
virBuffer opt = VIR_BUFFER_INITIALIZER;
int j;
const char *database;
if (def->nsmartcards > 1 ||
smartcard->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCID ||
smartcard->info.addr.ccid.controller != 0 ||
smartcard->info.addr.ccid.slot != 0) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this QEMU binary lacks multiple smartcard "
"support"));
virBufferFreeAndReset(&opt);
goto error;
}
switch (smartcard->type) {
case VIR_DOMAIN_SMARTCARD_TYPE_HOST:
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) ||
!qemuCapsGet(qemuCaps, QEMU_CAPS_CCID_EMULATED)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this QEMU binary lacks smartcard host "
"mode support"));
goto error;
}
virBufferAddLit(&opt, "ccid-card-emulated,backend=nss-emulated");
break;
case VIR_DOMAIN_SMARTCARD_TYPE_HOST_CERTIFICATES:
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) ||
!qemuCapsGet(qemuCaps, QEMU_CAPS_CCID_EMULATED)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this QEMU binary lacks smartcard host "
"mode support"));
goto error;
}
virBufferAddLit(&opt, "ccid-card-emulated,backend=certificates");
for (j = 0; j < VIR_DOMAIN_SMARTCARD_NUM_CERTIFICATES; j++) {
if (strchr(smartcard->data.cert.file[j], ',')) {
virBufferFreeAndReset(&opt);
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("invalid certificate name: %s"),
smartcard->data.cert.file[j]);
goto error;
}
virBufferAsprintf(&opt, ",cert%d=%s", j + 1,
smartcard->data.cert.file[j]);
}
if (smartcard->data.cert.database) {
if (strchr(smartcard->data.cert.database, ',')) {
virBufferFreeAndReset(&opt);
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("invalid database name: %s"),
smartcard->data.cert.database);
goto error;
}
database = smartcard->data.cert.database;
} else {
database = VIR_DOMAIN_SMARTCARD_DEFAULT_DATABASE;
}
virBufferAsprintf(&opt, ",database=%s", database);
break;
case VIR_DOMAIN_SMARTCARD_TYPE_PASSTHROUGH:
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) ||
!qemuCapsGet(qemuCaps, QEMU_CAPS_CCID_PASSTHRU)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this QEMU binary lacks smartcard "
"passthrough mode support"));
goto error;
}
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&smartcard->data.passthru,
smartcard->info.alias,
qemuCaps))) {
virBufferFreeAndReset(&opt);
goto error;
}
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
virBufferAsprintf(&opt, "ccid-card-passthru,chardev=char%s",
smartcard->info.alias);
break;
default:
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unexpected smartcard type %d"),
smartcard->type);
virBufferFreeAndReset(&opt);
goto error;
}
virCommandAddArg(cmd, "-device");
virBufferAsprintf(&opt, ",id=%s,bus=ccid0.0", smartcard->info.alias);
virCommandAddArgBuffer(cmd, &opt);
}
if (!def->nserials) {
/* If we have -device, then we set -nodefault already */
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
virCommandAddArgList(cmd, "-serial", "none", NULL);
} else {
for (i = 0 ; i < def->nserials ; i++) {
virDomainChrDefPtr serial = def->serials[i];
char *devstr;
/* Use -chardev with -device if they are available */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&serial->source,
serial->info.alias,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
virCommandAddArg(cmd, "-device");
virCommandAddArgFormat(cmd, "isa-serial,chardev=char%s,id=%s",
serial->info.alias, serial->info.alias);
} else {
virCommandAddArg(cmd, "-serial");
if (!(devstr = qemuBuildChrArgStr(&serial->source, NULL)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
}
}
if (!def->nparallels) {
/* If we have -device, then we set -nodefault already */
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
virCommandAddArgList(cmd, "-parallel", "none", NULL);
} else {
for (i = 0 ; i < def->nparallels ; i++) {
virDomainChrDefPtr parallel = def->parallels[i];
char *devstr;
/* Use -chardev with -device if they are available */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&parallel->source,
parallel->info.alias,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
virCommandAddArg(cmd, "-device");
virCommandAddArgFormat(cmd, "isa-parallel,chardev=char%s,id=%s",
parallel->info.alias,
parallel->info.alias);
} else {
virCommandAddArg(cmd, "-parallel");
if (!(devstr = qemuBuildChrArgStr(&parallel->source, NULL)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
}
}
for (i = 0 ; i < def->nchannels ; i++) {
virDomainChrDefPtr channel = def->channels[i];
char *devstr;
char *addr;
int port;
switch(channel->targetType) {
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_GUESTFWD:
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) ||
!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("guestfwd requires QEMU to support -chardev & -device"));
goto error;
}
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&channel->source,
channel->info.alias,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
addr = virSocketAddrFormat(channel->target.addr);
if (!addr)
goto error;
port = virSocketAddrGetPort(channel->target.addr);
virCommandAddArg(cmd, "-netdev");
virCommandAddArgFormat(cmd,
"user,guestfwd=tcp:%s:%i,chardev=char%s,id=user-%s",
addr, port, channel->info.alias,
channel->info.alias);
VIR_FREE(addr);
break;
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO:
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("virtio channel requires QEMU to support -device"));
goto error;
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SPICEVMC) &&
channel->source.type == VIR_DOMAIN_CHR_TYPE_SPICEVMC) {
/* spicevmc was originally introduced via a -device
* with a backend internal to qemu; although we prefer
* the newer -chardev interface. */
;
} else {
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&channel->source,
channel->info.alias,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildVirtioSerialPortDevStr(channel,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
break;
}
}
/* Explicit console devices */
for (i = 0 ; i < def->nconsoles ; i++) {
virDomainChrDefPtr console = def->consoles[i];
char *devstr;
switch(console->targetType) {
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO:
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("virtio channel requires QEMU to support -device"));
goto error;
}
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&console->source,
console->info.alias,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildVirtioSerialPortDevStr(console,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
break;
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SERIAL:
break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported console target type %s"),
NULLSTR(virDomainChrConsoleTargetTypeToString(console->targetType)));
goto error;
}
}
if (usbcontroller == 0)
virCommandAddArg(cmd, "-usb");
for (i = 0 ; i < def->nhubs ; i++) {
virDomainHubDefPtr hub = def->hubs[i];
char *optstr;
virCommandAddArg(cmd, "-device");
if (!(optstr = qemuBuildHubDevStr(hub, qemuCaps)))
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
}
for (i = 0 ; i < def->ninputs ; i++) {
virDomainInputDefPtr input = def->inputs[i];
if (input->bus == VIR_DOMAIN_INPUT_BUS_USB) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
char *optstr;
virCommandAddArg(cmd, "-device");
if (!(optstr = qemuBuildUSBInputDevStr(input, qemuCaps)))
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
} else {
virCommandAddArgList(cmd, "-usbdevice",
input->type == VIR_DOMAIN_INPUT_TYPE_MOUSE
? "mouse" : "tablet", NULL);
}
}
}
if (def->ngraphics > 1) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("only 1 graphics device is supported"));
goto error;
}
if ((def->ngraphics == 1) &&
def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_VNC) {
virBuffer opt = VIR_BUFFER_INITIALIZER;
if (def->graphics[0]->data.vnc.socket ||
driver->vncAutoUnixSocket) {
if (!def->graphics[0]->data.vnc.socket &&
virAsprintf(&def->graphics[0]->data.vnc.socket,
"%s/%s.vnc", driver->libDir, def->name) == -1) {
goto no_memory;
}
virBufferAsprintf(&opt, "unix:%s",
def->graphics[0]->data.vnc.socket);
} else if (qemuCapsGet(qemuCaps, QEMU_CAPS_VNC_COLON)) {
const char *listenNetwork;
const char *listenAddr = NULL;
char *netAddr = NULL;
bool escapeAddr;
int ret;
switch (virDomainGraphicsListenGetType(def->graphics[0], 0)) {
case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
listenAddr = virDomainGraphicsListenGetAddress(def->graphics[0], 0);
break;
case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
listenNetwork = virDomainGraphicsListenGetNetwork(def->graphics[0], 0);
if (!listenNetwork)
break;
ret = networkGetNetworkAddress(listenNetwork, &netAddr);
if (ret <= -2) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("network-based listen not possible, "
"network driver not present"));
goto error;
}
if (ret < 0) {
qemuReportError(VIR_ERR_XML_ERROR,
_("listen network '%s' had no usable address"),
listenNetwork);
goto error;
}
listenAddr = netAddr;
/* store the address we found in the <graphics> element so it will
* show up in status. */
if (virDomainGraphicsListenSetAddress(def->graphics[0], 0,
listenAddr, -1, false) < 0)
goto error;
break;
}
if (!listenAddr)
listenAddr = driver->vncListen;
escapeAddr = strchr(listenAddr, ':') != NULL;
if (escapeAddr)
virBufferAsprintf(&opt, "[%s]", listenAddr);
else
virBufferAdd(&opt, listenAddr, -1);
virBufferAsprintf(&opt, ":%d",
def->graphics[0]->data.vnc.port - 5900);
VIR_FREE(netAddr);
} else {
virBufferAsprintf(&opt, "%d",
def->graphics[0]->data.vnc.port - 5900);
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_VNC_COLON)) {
if (def->graphics[0]->data.vnc.auth.passwd ||
driver->vncPassword)
virBufferAddLit(&opt, ",password");
if (driver->vncTLS) {
virBufferAddLit(&opt, ",tls");
if (driver->vncTLSx509verify) {
virBufferAsprintf(&opt, ",x509verify=%s",
driver->vncTLSx509certdir);
} else {
virBufferAsprintf(&opt, ",x509=%s",
driver->vncTLSx509certdir);
}
}
if (driver->vncSASL) {
virBufferAddLit(&opt, ",sasl");
if (driver->vncSASLdir)
virCommandAddEnvPair(cmd, "SASL_CONF_DIR",
driver->vncSASLdir);
/* TODO: Support ACLs later */
}
}
virCommandAddArg(cmd, "-vnc");
virCommandAddArgBuffer(cmd, &opt);
if (def->graphics[0]->data.vnc.keymap) {
virCommandAddArgList(cmd, "-k", def->graphics[0]->data.vnc.keymap,
NULL);
}
/* Unless user requested it, set the audio backend to none, to
* prevent it opening the host OS audio devices, since that causes
* security issues and might not work when using VNC.
*/
if (driver->vncAllowHostAudio) {
virCommandAddEnvPass(cmd, "QEMU_AUDIO_DRV");
} else {
virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=none");
}
} else if ((def->ngraphics == 1) &&
def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_SDL) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_0_10) &&
!qemuCapsGet(qemuCaps, QEMU_CAPS_SDL)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("sdl not supported by '%s'"),
def->emulator);
goto error;
}
if (def->graphics[0]->data.sdl.xauth)
virCommandAddEnvPair(cmd, "XAUTHORITY",
def->graphics[0]->data.sdl.xauth);
if (def->graphics[0]->data.sdl.display)
virCommandAddEnvPair(cmd, "DISPLAY",
def->graphics[0]->data.sdl.display);
if (def->graphics[0]->data.sdl.fullscreen)
virCommandAddArg(cmd, "-full-screen");
/* If using SDL for video, then we should just let it
* use QEMU's host audio drivers, possibly SDL too
* User can set these two before starting libvirtd
*/
virCommandAddEnvPass(cmd, "QEMU_AUDIO_DRV");
virCommandAddEnvPass(cmd, "SDL_AUDIODRIVER");
/* New QEMU has this flag to let us explicitly ask for
* SDL graphics. This is better than relying on the
* default, since the default changes :-( */
if (qemuCapsGet(qemuCaps, QEMU_CAPS_SDL))
virCommandAddArg(cmd, "-sdl");
} else if ((def->ngraphics == 1) &&
def->graphics[0]->type == VIR_DOMAIN_GRAPHICS_TYPE_SPICE) {
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *listenNetwork;
const char *listenAddr = NULL;
char *netAddr = NULL;
int ret;
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_SPICE)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spice graphics are not supported with this QEMU"));
goto error;
}
virBufferAsprintf(&opt, "port=%u", def->graphics[0]->data.spice.port);
if (driver->spiceTLS && def->graphics[0]->data.spice.tlsPort != -1)
virBufferAsprintf(&opt, ",tls-port=%u", def->graphics[0]->data.spice.tlsPort);
switch (virDomainGraphicsListenGetType(def->graphics[0], 0)) {
case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
listenAddr = virDomainGraphicsListenGetAddress(def->graphics[0], 0);
break;
case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
listenNetwork = virDomainGraphicsListenGetNetwork(def->graphics[0], 0);
if (!listenNetwork)
break;
ret = networkGetNetworkAddress(listenNetwork, &netAddr);
if (ret <= -2) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("network-based listen not possible, "
"network driver not present"));
goto error;
}
if (ret < 0) {
qemuReportError(VIR_ERR_XML_ERROR,
_("listen network '%s' had no usable address"),
listenNetwork);
goto error;
}
listenAddr = netAddr;
/* store the address we found in the <graphics> element so it will
* show up in status. */
if (virDomainGraphicsListenSetAddress(def->graphics[0], 0,
listenAddr, -1, false) < 0)
goto error;
break;
}
if (!listenAddr)
listenAddr = driver->spiceListen;
if (listenAddr)
virBufferAsprintf(&opt, ",addr=%s", listenAddr);
VIR_FREE(netAddr);
/* In the password case we set it via monitor command, to avoid
* making it visible on CLI, so there's no use of password=XXX
* in this bit of the code */
if (!def->graphics[0]->data.spice.auth.passwd &&
!driver->spicePassword)
virBufferAddLit(&opt, ",disable-ticketing");
if (driver->spiceTLS)
virBufferAsprintf(&opt, ",x509-dir=%s",
driver->spiceTLSx509certdir);
for (i = 0 ; i < VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_LAST ; i++) {
int mode = def->graphics[0]->data.spice.channels[i];
switch (mode) {
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
virBufferAsprintf(&opt, ",tls-channel=%s",
virDomainGraphicsSpiceChannelNameTypeToString(i));
break;
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE:
virBufferAsprintf(&opt, ",plaintext-channel=%s",
virDomainGraphicsSpiceChannelNameTypeToString(i));
break;
}
}
if (def->graphics[0]->data.spice.image)
virBufferAsprintf(&opt, ",image-compression=%s",
virDomainGraphicsSpiceImageCompressionTypeToString(def->graphics[0]->data.spice.image));
if (def->graphics[0]->data.spice.jpeg)
virBufferAsprintf(&opt, ",jpeg-wan-compression=%s",
virDomainGraphicsSpiceJpegCompressionTypeToString(def->graphics[0]->data.spice.jpeg));
if (def->graphics[0]->data.spice.zlib)
virBufferAsprintf(&opt, ",zlib-glz-wan-compression=%s",
virDomainGraphicsSpiceZlibCompressionTypeToString(def->graphics[0]->data.spice.zlib));
if (def->graphics[0]->data.spice.playback)
virBufferAsprintf(&opt, ",playback-compression=%s",
virDomainGraphicsSpicePlaybackCompressionTypeToString(def->graphics[0]->data.spice.playback));
if (def->graphics[0]->data.spice.streaming)
virBufferAsprintf(&opt, ",streaming-video=%s",
virDomainGraphicsSpiceStreamingModeTypeToString(def->graphics[0]->data.spice.streaming));
if (def->graphics[0]->data.spice.copypaste == VIR_DOMAIN_GRAPHICS_SPICE_CLIPBOARD_COPYPASTE_NO)
virBufferAddLit(&opt, ",disable-copy-paste");
virCommandAddArg(cmd, "-spice");
virCommandAddArgBuffer(cmd, &opt);
if (def->graphics[0]->data.spice.keymap)
virCommandAddArgList(cmd, "-k",
def->graphics[0]->data.spice.keymap, NULL);
/* SPICE includes native support for tunnelling audio, so we
* set the audio backend to point at SPICE's own driver
*/
virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=spice");
} else if ((def->ngraphics == 1)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported graphics type '%s'"),
virDomainGraphicsTypeToString(def->graphics[0]->type));
goto error;
}
if (def->nvideos > 0) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_VGA)) {
if (def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_XEN) {
/* nothing - vga has no effect on Xen pvfb */
} else {
if ((def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_QXL) &&
!qemuCapsGet(qemuCaps, QEMU_CAPS_VGA_QXL)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU does not support QXL graphics adapters"));
goto error;
}
const char *vgastr = qemuVideoTypeToString(def->videos[0]->type);
if (!vgastr || STREQ(vgastr, "")) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("video type %s is not supported with QEMU"),
virDomainVideoTypeToString(def->videos[0]->type));
goto error;
}
virCommandAddArgList(cmd, "-vga", vgastr, NULL);
if (def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
if (def->videos[0]->vram &&
qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
if (def->videos[0]->vram > (UINT_MAX / 1024)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("value for 'vram' must be less than '%u'"),
UINT_MAX / 1024);
goto error;
}
virCommandAddArg(cmd, "-global");
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QXL_VGA))
virCommandAddArgFormat(cmd, "qxl-vga.vram_size=%u",
def->videos[0]->vram * 1024);
else
virCommandAddArgFormat(cmd, "qxl.vram_size=%u",
def->videos[0]->vram * 1024);
}
}
}
} else {
switch (def->videos[0]->type) {
case VIR_DOMAIN_VIDEO_TYPE_VGA:
virCommandAddArg(cmd, "-std-vga");
break;
case VIR_DOMAIN_VIDEO_TYPE_VMVGA:
virCommandAddArg(cmd, "-vmwarevga");
break;
case VIR_DOMAIN_VIDEO_TYPE_XEN:
case VIR_DOMAIN_VIDEO_TYPE_CIRRUS:
/* No special args - this is the default */
break;
default:
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("video type %s is not supported with this QEMU"),
virDomainVideoTypeToString(def->videos[0]->type));
goto error;
}
}
if (def->nvideos > 1) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
for (i = 1 ; i < def->nvideos ; i++) {
char *str;
if (def->videos[i]->type != VIR_DOMAIN_VIDEO_TYPE_QXL) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("video type %s is only valid as primary video card"),
virDomainVideoTypeToString(def->videos[0]->type));
goto error;
}
virCommandAddArg(cmd, "-device");
if (!(str = qemuBuildVideoDevStr(def->videos[i], qemuCaps)))
goto error;
virCommandAddArg(cmd, str);
VIR_FREE(str);
}
} else {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("only one video card is currently supported"));
goto error;
}
}
} else {
/* If we have -device, then we set -nodefault already */
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_VGA) &&
qemuCapsGet(qemuCaps, QEMU_CAPS_VGA_NONE))
virCommandAddArgList(cmd, "-vga", "none", NULL);
}
/* Add sound hardware */
if (def->nsounds) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
for (i = 0 ; i < def->nsounds ; i++) {
virDomainSoundDefPtr sound = def->sounds[i];
char *str = NULL;
/* Sadly pcspk device doesn't use -device syntax. Fortunately
* we don't need to set any PCI address on it, so we don't
* mind too much */
if (sound->model == VIR_DOMAIN_SOUND_MODEL_PCSPK) {
virCommandAddArgList(cmd, "-soundhw", "pcspk", NULL);
} else {
virCommandAddArg(cmd, "-device");
if (!(str = qemuBuildSoundDevStr(sound, qemuCaps)))
goto error;
virCommandAddArg(cmd, str);
if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6) {
char *codecstr = NULL;
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_HDA_DUPLEX)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this QEMU binary lacks hda support"));
goto error;
}
virCommandAddArg(cmd, "-device");
if (!(codecstr = qemuBuildSoundCodecStr(sound,
"hda-duplex"))) {
goto error;
}
virCommandAddArg(cmd, codecstr);
VIR_FREE(codecstr);
}
VIR_FREE(str);
}
}
} else {
int size = 100;
char *modstr;
if (VIR_ALLOC_N(modstr, size+1) < 0)
goto no_memory;
for (i = 0 ; i < def->nsounds && size > 0 ; i++) {
virDomainSoundDefPtr sound = def->sounds[i];
const char *model = virDomainSoundModelTypeToString(sound->model);
if (!model) {
VIR_FREE(modstr);
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("invalid sound model"));
goto error;
}
if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6) {
VIR_FREE(modstr);
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this QEMU binary lacks hda support"));
goto error;
}
strncat(modstr, model, size);
size -= strlen(model);
if (i < (def->nsounds - 1))
strncat(modstr, ",", size--);
}
virCommandAddArgList(cmd, "-soundhw", modstr, NULL);
VIR_FREE(modstr);
}
}
/* Add watchdog hardware */
if (def->watchdog) {
virDomainWatchdogDefPtr watchdog = def->watchdog;
char *optstr;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-device");
optstr = qemuBuildWatchdogDevStr(watchdog, qemuCaps);
if (!optstr)
goto error;
} else {
virCommandAddArg(cmd, "-watchdog");
const char *model = virDomainWatchdogModelTypeToString(watchdog->model);
if (!model) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing watchdog model"));
goto error;
}
if (!(optstr = strdup(model)))
goto no_memory;
}
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
int act = watchdog->action;
if (act == VIR_DOMAIN_WATCHDOG_ACTION_DUMP)
act = VIR_DOMAIN_WATCHDOG_ACTION_PAUSE;
const char *action = virDomainWatchdogActionTypeToString(act);
if (!action) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("invalid watchdog action"));
goto error;
}
virCommandAddArgList(cmd, "-watchdog-action", action, NULL);
}
/* Add redirected devices */
for (i = 0 ; i < def->nredirdevs ; i++) {
virDomainRedirdevDefPtr redirdev = def->redirdevs[i];
char *devstr;
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&redirdev->source.chr,
redirdev->info.alias,
qemuCaps))) {
goto error;
}
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
goto error;
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildRedirdevDevStr(redirdev, qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
/* Add host passthrough hardware */
for (i = 0 ; i < def->nhostdevs ; i++) {
virDomainHostdevDefPtr hostdev = def->hostdevs[i];
char *devstr;
if (hostdev->bootIndex) {
if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("booting from assigned devices is only"
" supported for PCI devices"));
goto error;
} else if (!qemuCapsGet(qemuCaps, QEMU_CAPS_PCI_BOOTINDEX)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("booting from assigned PCI devices is not"
" supported with this version of qemu"));
goto error;
}
}
/* USB */
if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildUSBHostdevDevStr(hostdev, qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
} else {
virCommandAddArg(cmd, "-usbdevice");
if (!(devstr = qemuBuildUSBHostdevUsbDevStr(hostdev)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
}
/* PCI */
if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
char *configfd_name = NULL;
if (qemuCapsGet(qemuCaps, QEMU_CAPS_PCI_CONFIGFD)) {
int configfd = qemuOpenPCIConfig(hostdev);
if (configfd >= 0) {
if (virAsprintf(&configfd_name, "%d", configfd) < 0) {
VIR_FORCE_CLOSE(configfd);
goto no_memory;
}
virCommandTransferFD(cmd, configfd);
}
}
virCommandAddArg(cmd, "-device");
devstr = qemuBuildPCIHostdevDevStr(hostdev, configfd_name, qemuCaps);
VIR_FREE(configfd_name);
if (!devstr)
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
} else if (qemuCapsGet(qemuCaps, QEMU_CAPS_PCIDEVICE)) {
virCommandAddArg(cmd, "-pcidevice");
if (!(devstr = qemuBuildPCIHostdevPCIDevStr(hostdev)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
} else {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("PCI device assignment is not supported by this version of qemu"));
goto error;
}
}
}
/* Migration is very annoying due to wildly varying syntax &
* capabilities over time of KVM / QEMU codebases.
*/
if (migrateFrom) {
virCommandAddArg(cmd, "-incoming");
if (STRPREFIX(migrateFrom, "tcp")) {
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_TCP)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("TCP migration is not supported with "
"this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, migrateFrom);
} else if (STREQ(migrateFrom, "stdio")) {
if (qemuCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_FD)) {
virCommandAddArgFormat(cmd, "fd:%d", migrateFd);
virCommandPreserveFD(cmd, migrateFd);
} else if (qemuCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_EXEC)) {
virCommandAddArg(cmd, "exec:cat");
virCommandSetInputFD(cmd, migrateFd);
} else if (qemuCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_KVM_STDIO)) {
virCommandAddArg(cmd, migrateFrom);
virCommandSetInputFD(cmd, migrateFd);
} else {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("STDIO migration is not supported "
"with this QEMU binary"));
goto error;
}
} else if (STRPREFIX(migrateFrom, "exec")) {
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_EXEC)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("EXEC migration is not supported "
"with this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, migrateFrom);
} else if (STRPREFIX(migrateFrom, "fd")) {
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_FD)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("FD migration is not supported "
"with this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, migrateFrom);
virCommandPreserveFD(cmd, migrateFd);
} else if (STRPREFIX(migrateFrom, "unix")) {
if (!qemuCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_UNIX)) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("UNIX migration is not supported "
"with this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, migrateFrom);
} else {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("unknown migration protocol"));
goto error;
}
}
/* QEMU changed its default behavior to not include the virtio balloon
* device. Explicitly request it to ensure it will be present.
*
* NB: Earlier we declared that VirtIO balloon will always be in
* slot 0x3 on bus 0x0
*/
if ((def->memballoon) &&
(def->memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_NONE)) {
if (def->memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO) {
qemuReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Memory balloon device type '%s' is not supported by this version of qemu"),
virDomainMemballoonModelTypeToString(def->memballoon->model));
goto error;
}
if (qemuCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
char *optstr;
virCommandAddArg(cmd, "-device");
optstr = qemuBuildMemballoonDevStr(def->memballoon, qemuCaps);
if (!optstr)
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
} else if (qemuCapsGet(qemuCaps, QEMU_CAPS_BALLOON)) {
virCommandAddArgList(cmd, "-balloon", "virtio", NULL);
}
}
if (snapshot)
virCommandAddArgList(cmd, "-loadvm", snapshot->def->name, NULL);
if (def->namespaceData) {
qemuDomainCmdlineDefPtr qemucmd;
qemucmd = def->namespaceData;
for (i = 0; i < qemucmd->num_args; i++)
virCommandAddArg(cmd, qemucmd->args[i]);
for (i = 0; i < qemucmd->num_env; i++)
virCommandAddEnvPair(cmd, qemucmd->env_name[i],
qemucmd->env_value[i]
? qemucmd->env_value[i] : "");
}
return cmd;
no_memory:
virReportOOMError();
error:
/* free up any resources in the network driver */
for (i = 0 ; i < def->nnets ; i++)
networkReleaseActualDevice(def->nets[i]);
for (i = 0; i <= last_good_net; i++)
virDomainConfNWFilterTeardown(def->nets[i]);
virBufferFreeAndReset(&rbd_hosts);
virCommandFree(cmd);
return NULL;
}
/*
* This method takes a string representing a QEMU command line ARGV set
* optionally prefixed by a list of environment variables. It then tries
* to split it up into a NULL terminated list of env & argv, splitting
* on space
*/
static int qemuStringToArgvEnv(const char *args,
const char ***retenv,
const char ***retargv)
{
char **arglist = NULL;
int argcount = 0;
int argalloc = 0;
int envend;
int i;
const char *curr = args;
const char *start;
const char **progenv = NULL;
const char **progargv = NULL;
/* Iterate over string, splitting on sequences of ' ' */
while (curr && *curr != '\0') {
char *arg;
const char *next;
start = curr;
/* accept a space in CEPH_ARGS */
if (STRPREFIX(curr, "CEPH_ARGS=-m ")) {
start += strlen("CEPH_ARGS=-m ");
}
if (*start == '\'') {
if (start == curr)
curr++;
next = strchr(start + 1, '\'');
} else if (*start == '"') {
if (start == curr)
curr++;
next = strchr(start + 1, '"');
} else {
next = strchr(start, ' ');
}
if (!next)
next = strchr(curr, '\n');
if (next) {
arg = strndup(curr, next-curr);
if (*next == '\'' ||
*next == '"')
next++;
} else {
arg = strdup(curr);
}
if (!arg)
goto no_memory;
if (argalloc == argcount) {
if (VIR_REALLOC_N(arglist, argalloc+10) < 0) {
VIR_FREE(arg);
goto no_memory;
}
argalloc+=10;
}
arglist[argcount++] = arg;
while (next && c_isspace(*next))
next++;
curr = next;
}
/* Iterate over list of args, finding first arg not containing
* the '=' character (eg, skip over env vars FOO=bar) */
for (envend = 0 ; ((envend < argcount) &&
(strchr(arglist[envend], '=') != NULL));
envend++)
; /* nada */
/* Copy the list of env vars */
if (envend > 0) {
if (VIR_REALLOC_N(progenv, envend+1) < 0)
goto no_memory;
for (i = 0 ; i < envend ; i++) {
progenv[i] = arglist[i];
arglist[i] = NULL;
}
progenv[i] = NULL;
}
/* Copy the list of argv */
if (VIR_REALLOC_N(progargv, argcount-envend + 1) < 0)
goto no_memory;
for (i = envend ; i < argcount ; i++)
progargv[i-envend] = arglist[i];
progargv[i-envend] = NULL;
VIR_FREE(arglist);
*retenv = progenv;
*retargv = progargv;
return 0;
no_memory:
for (i = 0 ; progenv && progenv[i] ; i++)
VIR_FREE(progenv[i]);
VIR_FREE(progenv);
for (i = 0 ; i < argcount ; i++)
VIR_FREE(arglist[i]);
VIR_FREE(arglist);
virReportOOMError();
return -1;
}
/*
* Search for a named env variable, and return the value part
*/
static const char *qemuFindEnv(const char **progenv,
const char *name)
{
int i;
int len = strlen(name);
for (i = 0 ; progenv && progenv[i] ; i++) {
if (STREQLEN(progenv[i], name, len) &&
progenv[i][len] == '=')
return progenv[i] + len + 1;
}
return NULL;
}
/*
* Takes a string containing a set of key=value,key=value,key...
* parameters and splits them up, returning two arrays with
* the individual keys and values. If allowEmptyValue is nonzero,
* the "=value" part is optional and if a key with no value is found,
* NULL is be placed into corresponding place in retvalues.
*/
int
qemuParseKeywords(const char *str,
char ***retkeywords,
char ***retvalues,
int allowEmptyValue)
{
int keywordCount = 0;
int keywordAlloc = 0;
char **keywords = NULL;
char **values = NULL;
const char *start = str;
const char *end;
int i;
*retkeywords = NULL;
*retvalues = NULL;
end = start + strlen(str);
while (start) {
const char *separator;
const char *endmark;
char *keyword;
char *value = NULL;
if (!(endmark = strchr(start, ',')))
endmark = end;
if (!(separator = strchr(start, '=')))
separator = end;
if (separator >= endmark) {
if (!allowEmptyValue) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("malformed keyword arguments in '%s'"), str);
goto error;
}
separator = endmark;
}
if (!(keyword = strndup(start, separator - start)))
goto no_memory;
if (separator < endmark) {
separator++;
if (!(value = strndup(separator, endmark - separator))) {
VIR_FREE(keyword);
goto no_memory;
}
}
if (keywordAlloc == keywordCount) {
if (VIR_REALLOC_N(keywords, keywordAlloc + 10) < 0 ||
VIR_REALLOC_N(values, keywordAlloc + 10) < 0) {
VIR_FREE(keyword);
VIR_FREE(value);
goto no_memory;
}
keywordAlloc += 10;
}
keywords[keywordCount] = keyword;
values[keywordCount] = value;
keywordCount++;
start = endmark < end ? endmark + 1 : NULL;
}
*retkeywords = keywords;
*retvalues = values;
return keywordCount;
no_memory:
virReportOOMError();
error:
for (i = 0 ; i < keywordCount ; i++) {
VIR_FREE(keywords[i]);
VIR_FREE(values[i]);
}
VIR_FREE(keywords);
VIR_FREE(values);
return -1;
}
/*
* Tries to parse new style QEMU -drive args.
*
* eg -drive file=/dev/HostVG/VirtData1,if=ide,index=1
*
* Will fail if not using the 'index' keyword
*/
static virDomainDiskDefPtr
qemuParseCommandLineDisk(virCapsPtr caps,
const char *val,
int nvirtiodisk)
{
virDomainDiskDefPtr def = NULL;
char **keywords;
char **values;
int nkeywords;
int i;
int idx = -1;
int busid = -1;
int unitid = -1;
if ((nkeywords = qemuParseKeywords(val,
&keywords,
&values, 0)) < 0)
return NULL;
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
goto cleanup;
}
def->bus = VIR_DOMAIN_DISK_BUS_IDE;
def->device = VIR_DOMAIN_DISK_DEVICE_DISK;
def->type = VIR_DOMAIN_DISK_TYPE_FILE;
for (i = 0 ; i < nkeywords ; i++) {
if (STREQ(keywords[i], "file")) {
if (values[i] && STRNEQ(values[i], "")) {
def->src = values[i];
values[i] = NULL;
if (STRPREFIX(def->src, "/dev/"))
def->type = VIR_DOMAIN_DISK_TYPE_BLOCK;
else if (STRPREFIX(def->src, "nbd:")) {
char *host, *port;
def->type = VIR_DOMAIN_DISK_TYPE_NETWORK;
def->protocol = VIR_DOMAIN_DISK_PROTOCOL_NBD;
host = def->src + strlen("nbd:");
port = strchr(host, ':');
if (!port) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse nbd filename '%s'"),
def->src);
def = NULL;
goto cleanup;
}
*port++ = '\0';
if (VIR_ALLOC(def->hosts) < 0) {
virReportOOMError();
goto cleanup;
}
def->nhosts = 1;
def->hosts->name = strdup(host);
if (!def->hosts->name) {
virReportOOMError();
goto cleanup;
}
def->hosts->port = strdup(port);
if (!def->hosts->port) {
virReportOOMError();
goto cleanup;
}
VIR_FREE(def->src);
def->src = NULL;
} else if (STRPREFIX(def->src, "rbd:")) {
char *p = def->src;
def->type = VIR_DOMAIN_DISK_TYPE_NETWORK;
def->protocol = VIR_DOMAIN_DISK_PROTOCOL_RBD;
def->src = strdup(p + strlen("rbd:"));
if (!def->src) {
virReportOOMError();
goto cleanup;
}
VIR_FREE(p);
} else if (STRPREFIX(def->src, "sheepdog:")) {
char *p = def->src;
char *port, *vdi;
def->type = VIR_DOMAIN_DISK_TYPE_NETWORK;
def->protocol = VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG;
def->src = strdup(p + strlen("sheepdog:"));
if (!def->src) {
virReportOOMError();
goto cleanup;
}
/* def->src must be [vdiname] or [host]:[port]:[vdiname] */
port = strchr(def->src, ':');
if (port) {
*port++ = '\0';
vdi = strchr(port, ':');
if (!vdi) {
def = NULL;
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse sheepdog filename '%s'"), p);
goto cleanup;
}
*vdi++ = '\0';
if (VIR_ALLOC(def->hosts) < 0) {
virReportOOMError();
goto cleanup;
}
def->nhosts = 1;
def->hosts->name = def->src;
def->hosts->port = strdup(port);
if (!def->hosts->port) {
virReportOOMError();
goto cleanup;
}
def->src = strdup(vdi);
if (!def->src) {
virReportOOMError();
goto cleanup;
}
}
VIR_FREE(p);
} else
def->type = VIR_DOMAIN_DISK_TYPE_FILE;
} else {
def->type = VIR_DOMAIN_DISK_TYPE_FILE;
}
} else if (STREQ(keywords[i], "if")) {
if (STREQ(values[i], "ide"))
def->bus = VIR_DOMAIN_DISK_BUS_IDE;
else if (STREQ(values[i], "scsi"))
def->bus = VIR_DOMAIN_DISK_BUS_SCSI;
else if (STREQ(values[i], "virtio"))
def->bus = VIR_DOMAIN_DISK_BUS_VIRTIO;
else if (STREQ(values[i], "xen"))
def->bus = VIR_DOMAIN_DISK_BUS_XEN;
} else if (STREQ(keywords[i], "media")) {
if (STREQ(values[i], "cdrom")) {
def->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
def->readonly = 1;
} else if (STREQ(values[i], "floppy"))
def->device = VIR_DOMAIN_DISK_DEVICE_FLOPPY;
} else if (STREQ(keywords[i], "format")) {
def->driverName = strdup("qemu");
if (!def->driverName) {
virDomainDiskDefFree(def);
def = NULL;
virReportOOMError();
goto cleanup;
}
def->driverType = values[i];
values[i] = NULL;
} else if (STREQ(keywords[i], "cache")) {
if (STREQ(values[i], "off") ||
STREQ(values[i], "none"))
def->cachemode = VIR_DOMAIN_DISK_CACHE_DISABLE;
else if (STREQ(values[i], "writeback") ||
STREQ(values[i], "on"))
def->cachemode = VIR_DOMAIN_DISK_CACHE_WRITEBACK;
else if (STREQ(values[i], "writethrough"))
def->cachemode = VIR_DOMAIN_DISK_CACHE_WRITETHRU;
else if (STREQ(values[i], "directsync"))
def->cachemode = VIR_DOMAIN_DISK_CACHE_DIRECTSYNC;
else if (STREQ(values[i], "unsafe"))
def->cachemode = VIR_DOMAIN_DISK_CACHE_UNSAFE;
} else if (STREQ(keywords[i], "werror")) {
if (STREQ(values[i], "stop"))
def->error_policy = VIR_DOMAIN_DISK_ERROR_POLICY_STOP;
else if (STREQ(values[i], "report"))
def->error_policy = VIR_DOMAIN_DISK_ERROR_POLICY_REPORT;
else if (STREQ(values[i], "ignore"))
def->error_policy = VIR_DOMAIN_DISK_ERROR_POLICY_IGNORE;
else if (STREQ(values[i], "enospc"))
def->error_policy = VIR_DOMAIN_DISK_ERROR_POLICY_ENOSPACE;
} else if (STREQ(keywords[i], "rerror")) {
if (STREQ(values[i], "stop"))
def->rerror_policy = VIR_DOMAIN_DISK_ERROR_POLICY_STOP;
else if (STREQ(values[i], "report"))
def->rerror_policy = VIR_DOMAIN_DISK_ERROR_POLICY_REPORT;
else if (STREQ(values[i], "ignore"))
def->rerror_policy = VIR_DOMAIN_DISK_ERROR_POLICY_IGNORE;
} else if (STREQ(keywords[i], "index")) {
if (virStrToLong_i(values[i], NULL, 10, &idx) < 0) {
virDomainDiskDefFree(def);
def = NULL;
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse drive index '%s'"), val);
goto cleanup;
}
} else if (STREQ(keywords[i], "bus")) {
if (virStrToLong_i(values[i], NULL, 10, &busid) < 0) {
virDomainDiskDefFree(def);
def = NULL;
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse drive bus '%s'"), val);
goto cleanup;
}
} else if (STREQ(keywords[i], "unit")) {
if (virStrToLong_i(values[i], NULL, 10, &unitid) < 0) {
virDomainDiskDefFree(def);
def = NULL;
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse drive unit '%s'"), val);
goto cleanup;
}
} else if (STREQ(keywords[i], "readonly")) {
if ((values[i] == NULL) || STREQ(values[i], "on"))
def->readonly = 1;
} else if (STREQ(keywords[i], "aio")) {
if ((def->iomode = virDomainDiskIoTypeFromString(values[i])) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse io mode '%s'"), values[i]);
}
}
}
if (def->rerror_policy == def->error_policy)
def->rerror_policy = 0;
if (!def->src &&
def->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
def->type != VIR_DOMAIN_DISK_TYPE_NETWORK) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("missing file parameter in drive '%s'"), val);
virDomainDiskDefFree(def);
def = NULL;
goto cleanup;
}
if (idx == -1 &&
def->bus == VIR_DOMAIN_DISK_BUS_VIRTIO)
idx = nvirtiodisk;
if (idx == -1 &&
unitid == -1 &&
busid == -1) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("missing index/unit/bus parameter in drive '%s'"), val);
virDomainDiskDefFree(def);
def = NULL;
goto cleanup;
}
if (idx == -1) {
if (unitid == -1)
unitid = 0;
if (busid == -1)
busid = 0;
switch (def->bus) {
case VIR_DOMAIN_DISK_BUS_IDE:
idx = (busid * 2) + unitid;
break;
case VIR_DOMAIN_DISK_BUS_SCSI:
idx = (busid * 7) + unitid;
break;
default:
idx = unitid;
break;
}
}
if (def->bus == VIR_DOMAIN_DISK_BUS_IDE) {
def->dst = strdup("hda");
} else if (def->bus == VIR_DOMAIN_DISK_BUS_SCSI) {
def->dst = strdup("sda");
} else if (def->bus == VIR_DOMAIN_DISK_BUS_VIRTIO) {
def->dst = strdup("vda");
} else if (def->bus == VIR_DOMAIN_DISK_BUS_XEN) {
def->dst = strdup("xvda");
} else {
def->dst = strdup("hda");
}
if (!def->dst) {
virDomainDiskDefFree(def);
def = NULL;
virReportOOMError();
goto cleanup;
}
if (STREQ(def->dst, "xvda"))
def->dst[3] = 'a' + idx;
else
def->dst[2] = 'a' + idx;
if (virDomainDiskDefAssignAddress(caps, def) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid device name '%s'"), def->dst);
virDomainDiskDefFree(def);
def = NULL;
/* fall through to "cleanup" */
}
cleanup:
for (i = 0 ; i < nkeywords ; i++) {
VIR_FREE(keywords[i]);
VIR_FREE(values[i]);
}
VIR_FREE(keywords);
VIR_FREE(values);
return def;
}
/*
* Tries to find a NIC definition matching a vlan we want
*/
static const char *
qemuFindNICForVLAN(int nnics,
const char **nics,
int wantvlan)
{
int i;
for (i = 0 ; i < nnics ; i++) {
int gotvlan;
const char *tmp = strstr(nics[i], "vlan=");
char *end;
if (!tmp)
continue;
tmp += strlen("vlan=");
if (virStrToLong_i(tmp, &end, 10, &gotvlan) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse NIC vlan in '%s'"), nics[i]);
return NULL;
}
if (gotvlan == wantvlan)
return nics[i];
}
if (wantvlan == 0 && nnics > 0)
return nics[0];
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot find NIC definition for vlan %d"), wantvlan);
return NULL;
}
/*
* Tries to parse a QEMU -net backend argument. Gets given
* a list of all known -net frontend arguments to try and
* match up against. Horribly complicated stuff
*/
static virDomainNetDefPtr
qemuParseCommandLineNet(virCapsPtr caps,
const char *val,
int nnics,
const char **nics)
{
virDomainNetDefPtr def = NULL;
char **keywords = NULL;
char **values = NULL;
int nkeywords;
const char *nic;
int wantvlan = 0;
const char *tmp;
int genmac = 1;
int i;
tmp = strchr(val, ',');
if (tmp) {
if ((nkeywords = qemuParseKeywords(tmp+1,
&keywords,
&values, 0)) < 0)
return NULL;
} else {
nkeywords = 0;
}
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
goto cleanup;
}
/* 'tap' could turn into libvirt type=ethernet, type=bridge or
* type=network, but we can't tell, so use the generic config */
if (STRPREFIX(val, "tap,"))
def->type = VIR_DOMAIN_NET_TYPE_ETHERNET;
else if (STRPREFIX(val, "socket"))
def->type = VIR_DOMAIN_NET_TYPE_CLIENT;
else if (STRPREFIX(val, "user"))
def->type = VIR_DOMAIN_NET_TYPE_USER;
else
def->type = VIR_DOMAIN_NET_TYPE_ETHERNET;
for (i = 0 ; i < nkeywords ; i++) {
if (STREQ(keywords[i], "vlan")) {
if (virStrToLong_i(values[i], NULL, 10, &wantvlan) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse vlan in '%s'"), val);
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
} else if (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET &&
STREQ(keywords[i], "script") && STRNEQ(values[i], "")) {
def->data.ethernet.script = values[i];
values[i] = NULL;
} else if (def->type == VIR_DOMAIN_NET_TYPE_ETHERNET &&
STREQ(keywords[i], "ifname")) {
def->ifname = values[i];
values[i] = NULL;
}
}
/* Done parsing the nic backend. Now to try and find corresponding
* frontend, based off vlan number. NB this assumes a 1-1 mapping
*/
nic = qemuFindNICForVLAN(nnics, nics, wantvlan);
if (!nic) {
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
if (!STRPREFIX(nic, "nic")) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse NIC definition '%s'"), nic);
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
for (i = 0 ; i < nkeywords ; i++) {
VIR_FREE(keywords[i]);
VIR_FREE(values[i]);
}
VIR_FREE(keywords);
VIR_FREE(values);
if (STRPREFIX(nic, "nic,")) {
if ((nkeywords = qemuParseKeywords(nic + strlen("nic,"),
&keywords,
&values, 0)) < 0) {
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
} else {
nkeywords = 0;
}
for (i = 0 ; i < nkeywords ; i++) {
if (STREQ(keywords[i], "macaddr")) {
genmac = 0;
if (virParseMacAddr(values[i], def->mac) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unable to parse mac address '%s'"),
values[i]);
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
} else if (STREQ(keywords[i], "model")) {
def->model = values[i];
values[i] = NULL;
} else if (STREQ(keywords[i], "vhost")) {
if ((values[i] == NULL) || STREQ(values[i], "on")) {
def->driver.virtio.name = VIR_DOMAIN_NET_BACKEND_TYPE_VHOST;
} else if (STREQ(keywords[i], "off")) {
def->driver.virtio.name = VIR_DOMAIN_NET_BACKEND_TYPE_QEMU;
}
} else if (STREQ(keywords[i], "sndbuf") && values[i]) {
if (virStrToLong_ul(values[i], NULL, 10, &def->tune.sndbuf) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse sndbuf size in '%s'"), val);
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
def->tune.sndbuf_specified = true;
}
}
if (genmac)
virCapabilitiesGenerateMac(caps, def->mac);
cleanup:
for (i = 0 ; i < nkeywords ; i++) {
VIR_FREE(keywords[i]);
VIR_FREE(values[i]);
}
VIR_FREE(keywords);
VIR_FREE(values);
return def;
}
/*
* Tries to parse a QEMU PCI device
*/
static virDomainHostdevDefPtr
qemuParseCommandLinePCI(const char *val)
{
virDomainHostdevDefPtr def = NULL;
int bus = 0, slot = 0, func = 0;
const char *start;
char *end;
if (!STRPREFIX(val, "host=")) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown PCI device syntax '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
start = val + strlen("host=");
if (virStrToLong_i(start, &end, 16, &bus) < 0 || *end != ':') {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract PCI device bus '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
start = end + 1;
if (virStrToLong_i(start, &end, 16, &slot) < 0 || *end != '.') {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract PCI device slot '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
start = end + 1;
if (virStrToLong_i(start, NULL, 16, &func) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract PCI device function '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
goto cleanup;
}
def->mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS;
def->managed = 1;
def->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI;
def->source.subsys.u.pci.bus = bus;
def->source.subsys.u.pci.slot = slot;
def->source.subsys.u.pci.function = func;
cleanup:
return def;
}
/*
* Tries to parse a QEMU USB device
*/
static virDomainHostdevDefPtr
qemuParseCommandLineUSB(const char *val)
{
virDomainHostdevDefPtr def = NULL;
int first = 0, second = 0;
const char *start;
char *end;
if (!STRPREFIX(val, "host:")) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown USB device syntax '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
start = val + strlen("host:");
if (strchr(start, ':')) {
if (virStrToLong_i(start, &end, 16, &first) < 0 || *end != ':') {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract USB device vendor '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
start = end + 1;
if (virStrToLong_i(start, NULL, 16, &second) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract USB device product '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
} else {
if (virStrToLong_i(start, &end, 10, &first) < 0 || *end != '.') {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract USB device bus '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
start = end + 1;
if (virStrToLong_i(start, NULL, 10, &second) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract USB device address '%s'"), val);
VIR_FREE(def);
goto cleanup;
}
}
if (VIR_ALLOC(def) < 0) {
virReportOOMError();
goto cleanup;
}
def->mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS;
def->managed = 0;
def->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB;
if (*end == '.') {
def->source.subsys.u.usb.bus = first;
def->source.subsys.u.usb.device = second;
} else {
def->source.subsys.u.usb.vendor = first;
def->source.subsys.u.usb.product = second;
}
cleanup:
return def;
}
/*
* Tries to parse a QEMU serial/parallel device
*/
static int
qemuParseCommandLineChr(virDomainChrSourceDefPtr source,
const char *val)
{
if (STREQ(val, "null")) {
source->type = VIR_DOMAIN_CHR_TYPE_NULL;
} else if (STREQ(val, "vc")) {
source->type = VIR_DOMAIN_CHR_TYPE_VC;
} else if (STREQ(val, "pty")) {
source->type = VIR_DOMAIN_CHR_TYPE_PTY;
} else if (STRPREFIX(val, "file:")) {
source->type = VIR_DOMAIN_CHR_TYPE_FILE;
source->data.file.path = strdup(val+strlen("file:"));
if (!source->data.file.path)
goto no_memory;
} else if (STRPREFIX(val, "pipe:")) {
source->type = VIR_DOMAIN_CHR_TYPE_PIPE;
source->data.file.path = strdup(val+strlen("pipe:"));
if (!source->data.file.path)
goto no_memory;
} else if (STREQ(val, "stdio")) {
source->type = VIR_DOMAIN_CHR_TYPE_STDIO;
} else if (STRPREFIX(val, "udp:")) {
const char *svc1, *host2, *svc2;
source->type = VIR_DOMAIN_CHR_TYPE_UDP;
val += strlen("udp:");
svc1 = strchr(val, ':');
host2 = svc1 ? strchr(svc1, '@') : NULL;
svc2 = host2 ? strchr(host2, ':') : NULL;
if (svc1 && (svc1 != val)) {
source->data.udp.connectHost = strndup(val, svc1-val);
if (!source->data.udp.connectHost)
goto no_memory;
}
if (svc1) {
svc1++;
if (host2)
source->data.udp.connectService = strndup(svc1, host2-svc1);
else
source->data.udp.connectService = strdup(svc1);
if (!source->data.udp.connectService)
goto no_memory;
}
if (host2) {
host2++;
if (svc2 && (svc2 != host2)) {
source->data.udp.bindHost = strndup(host2, svc2-host2);
if (!source->data.udp.bindHost)
goto no_memory;
}
}
if (svc2) {
svc2++;
if (STRNEQ(svc2, "0")) {
source->data.udp.bindService = strdup(svc2);
if (!source->data.udp.bindService)
goto no_memory;
}
}
} else if (STRPREFIX(val, "tcp:") ||
STRPREFIX(val, "telnet:")) {
const char *opt, *svc;
source->type = VIR_DOMAIN_CHR_TYPE_TCP;
if (STRPREFIX(val, "tcp:")) {
val += strlen("tcp:");
} else {
val += strlen("telnet:");
source->data.tcp.protocol = VIR_DOMAIN_CHR_TCP_PROTOCOL_TELNET;
}
svc = strchr(val, ':');
if (!svc) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot find port number in character device %s"), val);
goto error;
}
opt = strchr(svc, ',');
if (opt && strstr(opt, "server"))
source->data.tcp.listen = true;
source->data.tcp.host = strndup(val, svc-val);
if (!source->data.tcp.host)
goto no_memory;
svc++;
if (opt) {
source->data.tcp.service = strndup(svc, opt-svc);
} else {
source->data.tcp.service = strdup(svc);
}
if (!source->data.tcp.service)
goto no_memory;
} else if (STRPREFIX(val, "unix:")) {
const char *opt;
val += strlen("unix:");
opt = strchr(val, ',');
source->type = VIR_DOMAIN_CHR_TYPE_UNIX;
if (opt) {
if (strstr(opt, "listen"))
source->data.nix.listen = true;
source->data.nix.path = strndup(val, opt-val);
} else {
source->data.nix.path = strdup(val);
}
if (!source->data.nix.path)
goto no_memory;
} else if (STRPREFIX(val, "/dev")) {
source->type = VIR_DOMAIN_CHR_TYPE_DEV;
source->data.file.path = strdup(val);
if (!source->data.file.path)
goto no_memory;
} else {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown character device syntax %s"), val);
goto error;
}
return 0;
no_memory:
virReportOOMError();
error:
return -1;
}
static virCPUDefPtr
qemuInitGuestCPU(virDomainDefPtr dom)
{
if (!dom->cpu) {
virCPUDefPtr cpu;
if (VIR_ALLOC(cpu) < 0) {
virReportOOMError();
return NULL;
}
cpu->type = VIR_CPU_TYPE_GUEST;
cpu->match = VIR_CPU_MATCH_EXACT;
dom->cpu = cpu;
}
return dom->cpu;
}
static int
qemuParseCommandLineCPU(virDomainDefPtr dom,
const char *val)
{
virCPUDefPtr cpu;
const char *p = val;
const char *next;
if (!(cpu = qemuInitGuestCPU(dom)))
goto error;
do {
if (*p == '\0' || *p == ',')
goto syntax;
if ((next = strchr(p, ',')))
next++;
if (!cpu->model) {
if (next)
cpu->model = strndup(p, next - p - 1);
else
cpu->model = strdup(p);
if (!cpu->model)
goto no_memory;
}
else if (*p == '+' || *p == '-') {
char *feature;
int policy;
int ret;
if (*p == '+')
policy = VIR_CPU_FEATURE_REQUIRE;
else
policy = VIR_CPU_FEATURE_DISABLE;
p++;
if (*p == '\0' || *p == ',')
goto syntax;
if (next)
feature = strndup(p, next - p - 1);
else
feature = strdup(p);
if (!feature)
goto no_memory;
ret = virCPUDefAddFeature(cpu, feature, policy);
VIR_FREE(feature);
if (ret < 0)
goto error;
}
} while ((p = next));
return 0;
syntax:
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown CPU syntax '%s'"), val);
goto error;
no_memory:
virReportOOMError();
error:
return -1;
}
static int
qemuParseCommandLineSmp(virDomainDefPtr dom,
const char *val)
{
unsigned int sockets = 0;
unsigned int cores = 0;
unsigned int threads = 0;
unsigned int maxcpus = 0;
int i;
int nkws;
char **kws;
char **vals;
int n;
char *end;
int ret;
nkws = qemuParseKeywords(val, &kws, &vals, 1);
if (nkws < 0)
return -1;
for (i = 0; i < nkws; i++) {
if (vals[i] == NULL) {
if (i > 0 ||
virStrToLong_i(kws[i], &end, 10, &n) < 0 || *end != '\0')
goto syntax;
dom->vcpus = n;
} else {
if (virStrToLong_i(vals[i], &end, 10, &n) < 0 || *end != '\0')
goto syntax;
if (STREQ(kws[i], "sockets"))
sockets = n;
else if (STREQ(kws[i], "cores"))
cores = n;
else if (STREQ(kws[i], "threads"))
threads = n;
else if (STREQ(kws[i], "maxcpus"))
maxcpus = n;
else
goto syntax;
}
}
dom->maxvcpus = maxcpus ? maxcpus : dom->vcpus;
if (sockets && cores && threads) {
virCPUDefPtr cpu;
if (!(cpu = qemuInitGuestCPU(dom)))
goto error;
cpu->sockets = sockets;
cpu->cores = cores;
cpu->threads = threads;
} else if (sockets || cores || threads)
goto syntax;
ret = 0;
cleanup:
for (i = 0; i < nkws; i++) {
VIR_FREE(kws[i]);
VIR_FREE(vals[i]);
}
VIR_FREE(kws);
VIR_FREE(vals);
return ret;
syntax:
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse CPU topology '%s'"), val);
error:
ret = -1;
goto cleanup;
}
/*
* Analyse the env and argv settings and reconstruct a
* virDomainDefPtr representing these settings as closely
* as is practical. This is not an exact science....
*/
virDomainDefPtr qemuParseCommandLine(virCapsPtr caps,
const char **progenv,
const char **progargv,
char **pidfile,
virDomainChrSourceDefPtr *monConfig,
bool *monJSON)
{
virDomainDefPtr def;
int i;
int nographics = 0;
int fullscreen = 0;
char *path;
int nnics = 0;
const char **nics = NULL;
int video = VIR_DOMAIN_VIDEO_TYPE_CIRRUS;
int nvirtiodisk = 0;
qemuDomainCmdlineDefPtr cmd = NULL;
virDomainDiskDefPtr disk = NULL;
if (pidfile)
*pidfile = NULL;
if (monConfig)
*monConfig = NULL;
if (monJSON)
*monJSON = false;
if (!progargv[0]) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("no emulator path found"));
return NULL;
}
if (VIR_ALLOC(def) < 0)
goto no_memory;
/* allocate the cmdlinedef up-front; if it's unused, we'll free it later */
if (VIR_ALLOC(cmd) < 0)
goto no_memory;
if (virUUIDGenerate(def->uuid) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to generate uuid"));
goto error;
}
def->id = -1;
def->mem.cur_balloon = def->mem.max_balloon = 64 * 1024;
def->maxvcpus = 1;
def->vcpus = 1;
def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_UTC;
def->features = (1 << VIR_DOMAIN_FEATURE_ACPI)
/*| (1 << VIR_DOMAIN_FEATURE_APIC)*/;
def->onReboot = VIR_DOMAIN_LIFECYCLE_RESTART;
def->onCrash = VIR_DOMAIN_LIFECYCLE_DESTROY;
def->onPoweroff = VIR_DOMAIN_LIFECYCLE_DESTROY;
def->virtType = VIR_DOMAIN_VIRT_QEMU;
if (!(def->emulator = strdup(progargv[0])))
goto no_memory;
if (strstr(def->emulator, "kvm")) {
def->virtType = VIR_DOMAIN_VIRT_KVM;
def->features |= (1 << VIR_DOMAIN_FEATURE_PAE);
}
if (strstr(def->emulator, "xenner")) {
def->virtType = VIR_DOMAIN_VIRT_KVM;
def->os.type = strdup("xen");
} else {
def->os.type = strdup("hvm");
}
if (!def->os.type)
goto no_memory;
if (STRPREFIX(def->emulator, "qemu"))
path = def->emulator;
else
path = strstr(def->emulator, "qemu");
if (path &&
STRPREFIX(path, "qemu-system-"))
def->os.arch = strdup(path + strlen("qemu-system-"));
else
def->os.arch = strdup("i686");
if (!def->os.arch)
goto no_memory;
#define WANT_VALUE() \
const char *val = progargv[++i]; \
if (!val) { \
qemuReportError(VIR_ERR_INTERNAL_ERROR, \
_("missing value for %s argument"), arg); \
goto error; \
}
/* One initial loop to get list of NICs, so we
* can correlate them later */
for (i = 1 ; progargv[i] ; i++) {
const char *arg = progargv[i];
/* Make sure we have a single - for all options to
simplify next logic */
if (STRPREFIX(arg, "--"))
arg++;
if (STREQ(arg, "-net")) {
WANT_VALUE();
if (STRPREFIX(val, "nic")) {
if (VIR_REALLOC_N(nics, nnics+1) < 0)
goto no_memory;
nics[nnics++] = val;
}
}
}
/* Now the real processing loop */
for (i = 1 ; progargv[i] ; i++) {
const char *arg = progargv[i];
/* Make sure we have a single - for all options to
simplify next logic */
if (STRPREFIX(arg, "--"))
arg++;
if (STREQ(arg, "-vnc")) {
virDomainGraphicsDefPtr vnc;
char *tmp;
WANT_VALUE();
if (VIR_ALLOC(vnc) < 0)
goto no_memory;
vnc->type = VIR_DOMAIN_GRAPHICS_TYPE_VNC;
if (STRPREFIX(val, "unix:")) {
/* -vnc unix:/some/big/path */
vnc->data.vnc.socket = strdup(val + 5);
if (!vnc->data.vnc.socket) {
virDomainGraphicsDefFree(vnc);
goto no_memory;
}
} else {
/*
* -vnc 127.0.0.1:4
* -vnc [2001:1:2:3:4:5:1234:1234]:4
* -vnc some.host.name:4
*/
char *opts;
const char *sep = ":";
if (val[0] == '[')
sep = "]:";
tmp = strstr(val, sep);
if (!tmp) {
virDomainGraphicsDefFree(vnc);
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("missing VNC port number in '%s'"), val);
goto error;
}
if (virStrToLong_i(tmp+strlen(sep), &opts, 10,
&vnc->data.vnc.port) < 0) {
virDomainGraphicsDefFree(vnc);
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse VNC port '%s'"), tmp+1);
goto error;
}
if (val[0] == '[')
virDomainGraphicsListenSetAddress(vnc, 0,
val+1, tmp-(val+1), true);
else
virDomainGraphicsListenSetAddress(vnc, 0,
val, tmp-val, true);
if (!virDomainGraphicsListenGetAddress(vnc, 0)) {
virDomainGraphicsDefFree(vnc);
goto no_memory;
}
vnc->data.vnc.port += 5900;
vnc->data.vnc.autoport = 0;
}
if (VIR_REALLOC_N(def->graphics, def->ngraphics+1) < 0) {
virDomainGraphicsDefFree(vnc);
goto no_memory;
}
def->graphics[def->ngraphics++] = vnc;
} else if (STREQ(arg, "-m")) {
int mem;
WANT_VALUE();
if (virStrToLong_i(val, NULL, 10, &mem) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, \
_("cannot parse memory level '%s'"), val);
goto error;
}
def->mem.cur_balloon = def->mem.max_balloon = mem * 1024;
} else if (STREQ(arg, "-smp")) {
WANT_VALUE();
if (qemuParseCommandLineSmp(def, val) < 0)
goto error;
} else if (STREQ(arg, "-uuid")) {
WANT_VALUE();
if (virUUIDParse(val, def->uuid) < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR, \
_("cannot parse UUID '%s'"), val);
goto error;
}
} else if (STRPREFIX(arg, "-hd") ||
STRPREFIX(arg, "-sd") ||
STRPREFIX(arg, "-fd") ||
STREQ(arg, "-cdrom")) {
WANT_VALUE();
if (VIR_ALLOC(disk) < 0)
goto no_memory;
if (STRPREFIX(val, "/dev/"))
disk->type = VIR_DOMAIN_DISK_TYPE_BLOCK;
else if (STRPREFIX(val, "nbd:")) {
disk->type = VIR_DOMAIN_DISK_TYPE_NETWORK;
disk->protocol = VIR_DOMAIN_DISK_PROTOCOL_NBD;
val += strlen("nbd:");
} else if (STRPREFIX(val, "rbd:")) {
disk->type = VIR_DOMAIN_DISK_TYPE_NETWORK;
disk->protocol = VIR_DOMAIN_DISK_PROTOCOL_RBD;
val += strlen("rbd:");
} else if (STRPREFIX(val, "sheepdog:")) {
disk->type = VIR_DOMAIN_DISK_TYPE_NETWORK;
disk->protocol = VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG;
val += strlen("sheepdog:");
} else
disk->type = VIR_DOMAIN_DISK_TYPE_FILE;
if (STREQ(arg, "-cdrom")) {
disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
disk->dst = strdup("hdc");
if (!disk->dst)
goto no_memory;
disk->readonly = 1;
} else {
if (STRPREFIX(arg, "-fd")) {
disk->device = VIR_DOMAIN_DISK_DEVICE_FLOPPY;
disk->bus = VIR_DOMAIN_DISK_BUS_FDC;
} else {
disk->device = VIR_DOMAIN_DISK_DEVICE_DISK;
if (STRPREFIX(arg, "-hd"))
disk->bus = VIR_DOMAIN_DISK_BUS_IDE;
else
disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
}
disk->dst = strdup(arg + 1);
if (!disk->dst)
goto no_memory;
}
disk->src = strdup(val);
if (!disk->src)
goto no_memory;
if (disk->type == VIR_DOMAIN_DISK_TYPE_NETWORK) {
char *host, *port;
switch (disk->protocol) {
case VIR_DOMAIN_DISK_PROTOCOL_NBD:
host = disk->src;
port = strchr(host, ':');
if (!port) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse nbd filename '%s'"), disk->src);
goto error;
}
*port++ = '\0';
if (VIR_ALLOC(disk->hosts) < 0)
goto no_memory;
disk->nhosts = 1;
disk->hosts->name = host;
disk->hosts->port = strdup(port);
if (!disk->hosts->port)
goto no_memory;
VIR_FREE(disk->src);
disk->src = NULL;
break;
case VIR_DOMAIN_DISK_PROTOCOL_RBD:
/* handled later since the hosts for all disks are in CEPH_ARGS */
break;
case VIR_DOMAIN_DISK_PROTOCOL_SHEEPDOG:
/* disk->src must be [vdiname] or [host]:[port]:[vdiname] */
port = strchr(disk->src, ':');
if (port) {
char *vdi;
*port++ = '\0';
vdi = strchr(port, ':');
if (!vdi) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse sheepdog filename '%s'"), val);
goto error;
}
*vdi++ = '\0';
if (VIR_ALLOC(disk->hosts) < 0)
goto no_memory;
disk->nhosts = 1;
disk->hosts->name = disk->src;
disk->hosts->port = strdup(port);
if (!disk->hosts->port)
goto no_memory;
disk->src = strdup(vdi);
if (!disk->src)
goto no_memory;
}
break;
}
}
if (!(disk->src || disk->nhosts > 0) ||
!disk->dst)
goto no_memory;
if (virDomainDiskDefAssignAddress(caps, disk) < 0)
goto error;
if (VIR_REALLOC_N(def->disks, def->ndisks+1) < 0)
goto no_memory;
def->disks[def->ndisks++] = disk;
disk = NULL;
} else if (STREQ(arg, "-no-acpi")) {
def->features &= ~(1 << VIR_DOMAIN_FEATURE_ACPI);
} else if (STREQ(arg, "-no-reboot")) {
def->onReboot = VIR_DOMAIN_LIFECYCLE_DESTROY;
} else if (STREQ(arg, "-no-kvm")) {
def->virtType = VIR_DOMAIN_VIRT_QEMU;
} else if (STREQ(arg, "-nographic")) {
nographics = 1;
} else if (STREQ(arg, "-full-screen")) {
fullscreen = 1;
} else if (STREQ(arg, "-localtime")) {
def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME;
} else if (STREQ(arg, "-kernel")) {
WANT_VALUE();
if (!(def->os.kernel = strdup(val)))
goto no_memory;
} else if (STREQ(arg, "-initrd")) {
WANT_VALUE();
if (!(def->os.initrd = strdup(val)))
goto no_memory;
} else if (STREQ(arg, "-append")) {
WANT_VALUE();
if (!(def->os.cmdline = strdup(val)))
goto no_memory;
} else if (STREQ(arg, "-boot")) {
int n, b = 0;
WANT_VALUE();
for (n = 0 ; val[n] && b < VIR_DOMAIN_BOOT_LAST ; n++) {
if (val[n] == 'a')
def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_FLOPPY;
else if (val[n] == 'c')
def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_DISK;
else if (val[n] == 'd')
def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_CDROM;
else if (val[n] == 'n')
def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_NET;
else if (val[n] == ',')
break;
}
def->os.nBootDevs = b;
if (strstr(val, "menu=on"))
def->os.bootmenu = 1;
} else if (STREQ(arg, "-name")) {
char *process;
WANT_VALUE();
process = strstr(val, ",process=");
if (process == NULL) {
if (!(def->name = strdup(val)))
goto no_memory;
} else {
if (!(def->name = strndup(val, process - val)))
goto no_memory;
}
if (STREQ(def->name, ""))
VIR_FREE(def->name);
} else if (STREQ(arg, "-M")) {
WANT_VALUE();
if (!(def->os.machine = strdup(val)))
goto no_memory;
} else if (STREQ(arg, "-serial")) {
WANT_VALUE();
if (STRNEQ(val, "none")) {
virDomainChrDefPtr chr;
if (!(chr = virDomainChrDefNew()))
goto error;
if (qemuParseCommandLineChr(&chr->source, val) < 0) {
virDomainChrDefFree(chr);
goto error;
}
if (VIR_REALLOC_N(def->serials, def->nserials+1) < 0) {
virDomainChrDefFree(chr);
goto no_memory;
}
chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL;
chr->target.port = def->nserials;
def->serials[def->nserials++] = chr;
}
} else if (STREQ(arg, "-parallel")) {
WANT_VALUE();
if (STRNEQ(val, "none")) {
virDomainChrDefPtr chr;
if (!(chr = virDomainChrDefNew()))
goto error;
if (qemuParseCommandLineChr(&chr->source, val) < 0) {
virDomainChrDefFree(chr);
goto error;
}
if (VIR_REALLOC_N(def->parallels, def->nparallels+1) < 0) {
virDomainChrDefFree(chr);
goto no_memory;
}
chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL;
chr->target.port = def->nparallels;
def->parallels[def->nparallels++] = chr;
}
} else if (STREQ(arg, "-usbdevice")) {
WANT_VALUE();
if (STREQ(val, "tablet") ||
STREQ(val, "mouse")) {
virDomainInputDefPtr input;
if (VIR_ALLOC(input) < 0)
goto no_memory;
input->bus = VIR_DOMAIN_INPUT_BUS_USB;
if (STREQ(val, "tablet"))
input->type = VIR_DOMAIN_INPUT_TYPE_TABLET;
else
input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE;
if (VIR_REALLOC_N(def->inputs, def->ninputs+1) < 0) {
virDomainInputDefFree(input);
goto no_memory;
}
def->inputs[def->ninputs++] = input;
} else if (STRPREFIX(val, "disk:")) {
if (VIR_ALLOC(disk) < 0)
goto no_memory;
disk->src = strdup(val + strlen("disk:"));
if (!disk->src)
goto no_memory;
if (STRPREFIX(disk->src, "/dev/"))
disk->type = VIR_DOMAIN_DISK_TYPE_BLOCK;
else
disk->type = VIR_DOMAIN_DISK_TYPE_FILE;
disk->device = VIR_DOMAIN_DISK_DEVICE_DISK;
disk->bus = VIR_DOMAIN_DISK_BUS_USB;
if (!(disk->dst = strdup("sda")) ||
VIR_REALLOC_N(def->disks, def->ndisks+1) < 0)
goto no_memory;
def->disks[def->ndisks++] = disk;
disk = NULL;
} else {
virDomainHostdevDefPtr hostdev;
if (!(hostdev = qemuParseCommandLineUSB(val)))
goto error;
if (VIR_REALLOC_N(def->hostdevs, def->nhostdevs+1) < 0) {
virDomainHostdevDefFree(hostdev);
goto no_memory;
}
def->hostdevs[def->nhostdevs++] = hostdev;
}
} else if (STREQ(arg, "-net")) {
WANT_VALUE();
if (!STRPREFIX(val, "nic") && STRNEQ(val, "none")) {
virDomainNetDefPtr net;
if (!(net = qemuParseCommandLineNet(caps, val, nnics, nics)))
goto error;
if (VIR_REALLOC_N(def->nets, def->nnets+1) < 0) {
virDomainNetDefFree(net);
goto no_memory;
}
def->nets[def->nnets++] = net;
}
} else if (STREQ(arg, "-drive")) {
WANT_VALUE();
if (!(disk = qemuParseCommandLineDisk(caps, val, nvirtiodisk)))
goto error;
if (VIR_REALLOC_N(def->disks, def->ndisks+1) < 0)
goto no_memory;
if (disk->bus == VIR_DOMAIN_DISK_BUS_VIRTIO)
nvirtiodisk++;
def->disks[def->ndisks++] = disk;
disk = NULL;
} else if (STREQ(arg, "-pcidevice")) {
virDomainHostdevDefPtr hostdev;
WANT_VALUE();
if (!(hostdev = qemuParseCommandLinePCI(val)))
goto error;
if (VIR_REALLOC_N(def->hostdevs, def->nhostdevs+1) < 0) {
virDomainHostdevDefFree(hostdev);
goto no_memory;
}
def->hostdevs[def->nhostdevs++] = hostdev;
} else if (STREQ(arg, "-soundhw")) {
const char *start;
WANT_VALUE();
start = val;
while (start) {
const char *tmp = strchr(start, ',');
int type = -1;
if (STRPREFIX(start, "pcspk")) {
type = VIR_DOMAIN_SOUND_MODEL_PCSPK;
} else if (STRPREFIX(start, "sb16")) {
type = VIR_DOMAIN_SOUND_MODEL_SB16;
} else if (STRPREFIX(start, "es1370")) {
type = VIR_DOMAIN_SOUND_MODEL_ES1370;
} else if (STRPREFIX(start, "ac97")) {
type = VIR_DOMAIN_SOUND_MODEL_AC97;
} else if (STRPREFIX(start, "hda")) {
type = VIR_DOMAIN_SOUND_MODEL_ICH6;
}
if (type != -1) {
virDomainSoundDefPtr snd;
if (VIR_ALLOC(snd) < 0)
goto no_memory;
snd->model = type;
if (VIR_REALLOC_N(def->sounds, def->nsounds+1) < 0) {
VIR_FREE(snd);
goto no_memory;
}
def->sounds[def->nsounds++] = snd;
}
start = tmp ? tmp + 1 : NULL;
}
} else if (STREQ(arg, "-watchdog")) {
WANT_VALUE();
int model = virDomainWatchdogModelTypeFromString (val);
if (model != -1) {
virDomainWatchdogDefPtr wd;
if (VIR_ALLOC(wd) < 0)
goto no_memory;
wd->model = model;
wd->action = VIR_DOMAIN_WATCHDOG_ACTION_RESET;
def->watchdog = wd;
}
} else if (STREQ(arg, "-watchdog-action") && def->watchdog) {
WANT_VALUE();
int action = virDomainWatchdogActionTypeFromString (val);
if (action != -1)
def->watchdog->action = action;
} else if (STREQ(arg, "-bootloader")) {
WANT_VALUE();
def->os.bootloader = strdup(val);
if (!def->os.bootloader)
goto no_memory;
} else if (STREQ(arg, "-vmwarevga")) {
video = VIR_DOMAIN_VIDEO_TYPE_VMVGA;
} else if (STREQ(arg, "-std-vga")) {
video = VIR_DOMAIN_VIDEO_TYPE_VGA;
} else if (STREQ(arg, "-vga")) {
WANT_VALUE();
if (STRNEQ(val, "none")) {
video = qemuVideoTypeFromString(val);
if (video < 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown video adapter type '%s'"), val);
goto error;
}
}
} else if (STREQ(arg, "-cpu")) {
WANT_VALUE();
if (qemuParseCommandLineCPU(def, val) < 0)
goto error;
} else if (STREQ(arg, "-domid")) {
WANT_VALUE();
/* ignore, generted on the fly */
} else if (STREQ(arg, "-usb")) {
/* ignore, always added by libvirt */
} else if (STREQ(arg, "-pidfile")) {
WANT_VALUE();
if (pidfile)
if (!(*pidfile = strdup(val)))
goto no_memory;
} else if (STREQ(arg, "-incoming")) {
WANT_VALUE();
/* ignore, used via restore/migrate APIs */
} else if (STREQ(arg, "-monitor")) {
WANT_VALUE();
if (monConfig) {
virDomainChrSourceDefPtr chr;
if (VIR_ALLOC(chr) < 0)
goto no_memory;
if (qemuParseCommandLineChr(chr, val) < 0) {
virDomainChrSourceDefFree(chr);
goto error;
}
*monConfig = chr;
}
} else if (STREQ(arg, "-S")) {
/* ignore, always added by libvirt */
} else {
/* something we can't yet parse. Add it to the qemu namespace
* cmdline/environment advanced options and hope for the best
*/
VIR_WARN("unknown QEMU argument '%s', adding to the qemu namespace",
arg);
if (VIR_REALLOC_N(cmd->args, cmd->num_args+1) < 0)
goto no_memory;
cmd->args[cmd->num_args] = strdup(arg);
if (cmd->args[cmd->num_args] == NULL)
goto no_memory;
cmd->num_args++;
}
}
#undef WANT_VALUE
if (def->ndisks > 0) {
const char *ceph_args = qemuFindEnv(progenv, "CEPH_ARGS");
if (ceph_args) {
char *hosts, *port, *saveptr = NULL, *token;
virDomainDiskDefPtr first_rbd_disk = NULL;
for (i = 0 ; i < def->ndisks ; i++) {
if (def->disks[i]->type == VIR_DOMAIN_DISK_TYPE_NETWORK &&
def->disks[i]->protocol == VIR_DOMAIN_DISK_PROTOCOL_RBD) {
first_rbd_disk = def->disks[i];
break;
}
}
if (!first_rbd_disk) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("CEPH_ARGS was set without an rbd disk"));
goto error;
}
/* CEPH_ARGS should be: -m host1[:port1][,host2[:port2]]... */
if (!STRPREFIX(ceph_args, "-m ")) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("could not parse CEPH_ARGS '%s'"), ceph_args);
goto error;
}
hosts = strdup(strchr(ceph_args, ' ') + 1);
if (!hosts)
goto no_memory;
first_rbd_disk->nhosts = 0;
token = strtok_r(hosts, ",", &saveptr);
while (token != NULL) {
if (VIR_REALLOC_N(first_rbd_disk->hosts, first_rbd_disk->nhosts + 1) < 0) {
VIR_FREE(hosts);
goto no_memory;
}
port = strchr(token, ':');
if (port) {
*port++ = '\0';
port = strdup(port);
if (!port) {
VIR_FREE(hosts);
goto no_memory;
}
}
first_rbd_disk->hosts[first_rbd_disk->nhosts].port = port;
first_rbd_disk->hosts[first_rbd_disk->nhosts].name = strdup(token);
if (!first_rbd_disk->hosts[first_rbd_disk->nhosts].name) {
VIR_FREE(hosts);
goto no_memory;
}
first_rbd_disk->nhosts++;
token = strtok_r(NULL, ",", &saveptr);
}
VIR_FREE(hosts);
if (first_rbd_disk->nhosts == 0) {
qemuReportError(VIR_ERR_INTERNAL_ERROR,
_("found no rbd hosts in CEPH_ARGS '%s'"), ceph_args);
goto error;
}
}
}
if (!nographics && def->ngraphics == 0) {
virDomainGraphicsDefPtr sdl;
const char *display = qemuFindEnv(progenv, "DISPLAY");
const char *xauth = qemuFindEnv(progenv, "XAUTHORITY");
if (VIR_ALLOC(sdl) < 0)
goto no_memory;
sdl->type = VIR_DOMAIN_GRAPHICS_TYPE_SDL;
sdl->data.sdl.fullscreen = fullscreen;
if (display &&
!(sdl->data.sdl.display = strdup(display))) {
VIR_FREE(sdl);
goto no_memory;
}
if (xauth &&
!(sdl->data.sdl.xauth = strdup(xauth))) {
VIR_FREE(sdl);
goto no_memory;
}
if (VIR_REALLOC_N(def->graphics, def->ngraphics+1) < 0) {
virDomainGraphicsDefFree(sdl);
goto no_memory;
}
def->graphics[def->ngraphics++] = sdl;
}
if (def->ngraphics) {
virDomainVideoDefPtr vid;
if (VIR_ALLOC(vid) < 0)
goto no_memory;
if (def->virtType == VIR_DOMAIN_VIRT_XEN)
vid->type = VIR_DOMAIN_VIDEO_TYPE_XEN;
else
vid->type = video;
vid->vram = virDomainVideoDefaultRAM(def, vid->type);
vid->heads = 1;
if (VIR_REALLOC_N(def->videos, def->nvideos+1) < 0) {
virDomainVideoDefFree(vid);
goto no_memory;
}
def->videos[def->nvideos++] = vid;
}
/*
* having a balloon is the default, define one with type="none" to avoid it
*/
if (!def->memballoon) {
virDomainMemballoonDefPtr memballoon;
if (VIR_ALLOC(memballoon) < 0)
goto no_memory;
memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO;
def->memballoon = memballoon;
}
VIR_FREE(nics);
if (virDomainDefAddImplicitControllers(def) < 0)
goto error;
if (cmd->num_args || cmd->num_env) {
def->ns = caps->ns;
def->namespaceData = cmd;
}
else
VIR_FREE(cmd);
return def;
no_memory:
virReportOOMError();
error:
virDomainDiskDefFree(disk);
VIR_FREE(cmd);
virDomainDefFree(def);
VIR_FREE(nics);
if (monConfig) {
virDomainChrSourceDefFree(*monConfig);
*monConfig = NULL;
}
if (pidfile)
VIR_FREE(*pidfile);
return NULL;
}
virDomainDefPtr qemuParseCommandLineString(virCapsPtr caps,
const char *args,
char **pidfile,
virDomainChrSourceDefPtr *monConfig,
bool *monJSON)
{
const char **progenv = NULL;
const char **progargv = NULL;
virDomainDefPtr def = NULL;
int i;
if (qemuStringToArgvEnv(args, &progenv, &progargv) < 0)
goto cleanup;
def = qemuParseCommandLine(caps, progenv, progargv,
pidfile, monConfig, monJSON);
cleanup:
for (i = 0 ; progargv && progargv[i] ; i++)
VIR_FREE(progargv[i]);
VIR_FREE(progargv);
for (i = 0 ; progenv && progenv[i] ; i++)
VIR_FREE(progenv[i]);
VIR_FREE(progenv);
return def;
}
static int qemuParseProcFileStrings(unsigned int pid,
const char *name,
const char ***list)
{
char *path = NULL;
int ret = -1;
char *data = NULL;
ssize_t len;
char *tmp;
size_t nstr = 0;
const char **str = NULL;
int i;
if (virAsprintf(&path, "/proc/%u/%s", pid, name) < 0) {
virReportOOMError();
goto cleanup;
}
if ((len = virFileReadAll(path, 1024*128, &data)) < 0)
goto cleanup;
tmp = data;
while (tmp < (data + len)) {
if (VIR_EXPAND_N(str, nstr, 1) < 0) {
virReportOOMError();
goto cleanup;
}
if (!(str[nstr-1] = strdup(tmp))) {
virReportOOMError();
goto cleanup;
}
/* Skip arg */
tmp += strlen(tmp);
/* Skip \0 separator */
tmp++;
}
if (VIR_EXPAND_N(str, nstr, 1) < 0) {
virReportOOMError();
goto cleanup;
}
str[nstr-1] = NULL;
ret = nstr-1;
*list = str;
cleanup:
if (ret < 0) {
for (i = 0 ; str && str[i] ; i++)
VIR_FREE(str[i]);
VIR_FREE(str);
}
VIR_FREE(data);
VIR_FREE(path);
return ret;
}
virDomainDefPtr qemuParseCommandLinePid(virCapsPtr caps,
unsigned int pid,
char **pidfile,
virDomainChrSourceDefPtr *monConfig,
bool *monJSON)
{
virDomainDefPtr def = NULL;
const char **progargv = NULL;
const char **progenv = NULL;
char *exepath = NULL;
char *emulator;
int i;
if (qemuParseProcFileStrings(pid, "cmdline", &progargv) < 0 ||
qemuParseProcFileStrings(pid, "environ", &progenv) < 0)
goto cleanup;
if (!(def = qemuParseCommandLine(caps, progenv, progargv,
pidfile, monConfig, monJSON)))
goto cleanup;
if (virAsprintf(&exepath, "/proc/%u/exe", pid) < 0) {
virReportOOMError();
goto cleanup;
}
if (virFileResolveLink(exepath, &emulator) < 0) {
virReportSystemError(errno,
_("Unable to resolve %s for pid %u"),
exepath, pid);
goto cleanup;
}
VIR_FREE(def->emulator);
def->emulator = emulator;
cleanup:
VIR_FREE(exepath);
for (i = 0 ; progargv && progargv[i] ; i++)
VIR_FREE(progargv[i]);
VIR_FREE(progargv);
for (i = 0 ; progenv && progenv[i] ; i++)
VIR_FREE(progenv[i]);
VIR_FREE(progenv);
return def;
}
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