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libvirt/src/qemu/qemu_command.c
Boris Fiuczynski b831c5b801 Support for the new watchdog model diag288 
This patch provides support for the new watchdog model "diag288".

Signed-off-by: Boris Fiuczynski <fiuczy@linux.vnet.ibm.com>
Reviewed-by: Daniel Hansel <daniel.hansel@linux.vnet.ibm.com>
Reviewed-by: Stefan Zimmermann <stzi@linux.vnet.ibm.com>
Reviewed-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
2015-06-24 15:26:31 +02:00

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476 KiB
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/*
* qemu_command.c: QEMU command generation
*
* Copyright (C) 2006-2015 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, see
* <http://www.gnu.org/licenses/>.
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#include <config.h>
#include "qemu_command.h"
#include "qemu_hostdev.h"
#include "qemu_capabilities.h"
#include "cpu/cpu.h"
#include "dirname.h"
#include "passfd.h"
#include "viralloc.h"
#include "virlog.h"
#include "virarch.h"
#include "virerror.h"
#include "virfile.h"
#include "virnetdev.h"
#include "virnetdevbridge.h"
#include "virstring.h"
#include "virtime.h"
#include "viruuid.h"
#include "c-ctype.h"
#include "domain_nwfilter.h"
#include "domain_addr.h"
#include "domain_audit.h"
#include "domain_conf.h"
#include "netdev_bandwidth_conf.h"
#include "snapshot_conf.h"
#include "storage_conf.h"
#include "secret_conf.h"
#include "network/bridge_driver.h"
#include "virnetdevtap.h"
#include "base64.h"
#include "device_conf.h"
#include "virstoragefile.h"
#include "virtpm.h"
#include "virscsi.h"
#include "virnuma.h"
#if defined(__linux__)
# include <linux/capability.h>
#endif
#include <sys/stat.h>
#include <fcntl.h>
#define VIR_FROM_THIS VIR_FROM_QEMU
VIR_LOG_INIT("qemu.qemu_command");
#define VIO_ADDR_NET 0x1000ul
#define VIO_ADDR_SCSI 0x2000ul
#define VIO_ADDR_SERIAL 0x30000000ul
#define VIO_ADDR_NVRAM 0x3000ul
VIR_ENUM_DECL(virDomainDiskQEMUBus)
VIR_ENUM_IMPL(virDomainDiskQEMUBus, VIR_DOMAIN_DISK_BUS_LAST,
"ide",
"floppy",
"scsi",
"virtio",
"xen",
"usb",
"uml",
"sata",
"sd")
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",
"" /* don't support parallels */);
VIR_ENUM_DECL(qemuDeviceVideo)
VIR_ENUM_IMPL(qemuDeviceVideo, VIR_DOMAIN_VIDEO_TYPE_LAST,
"VGA",
"cirrus-vga",
"vmware-svga",
"", /* no device for xen */
"", /* don't support vbox */
"qxl-vga",
"" /* don't support parallels */);
VIR_ENUM_DECL(qemuSoundCodec)
VIR_ENUM_IMPL(qemuSoundCodec, VIR_DOMAIN_SOUND_CODEC_TYPE_LAST,
"hda-duplex",
"hda-micro");
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",
"nec-usb-xhci",
"none");
VIR_ENUM_DECL(qemuDomainFSDriver)
VIR_ENUM_IMPL(qemuDomainFSDriver, VIR_DOMAIN_FS_DRIVER_TYPE_LAST,
"local",
"local",
"handle",
NULL,
NULL,
NULL);
VIR_ENUM_DECL(qemuNumaPolicy)
VIR_ENUM_IMPL(qemuNumaPolicy, VIR_DOMAIN_NUMATUNE_MEM_LAST,
"bind",
"preferred",
"interleave");
/**
* qemuVirCommandGetFDSet:
* @cmd: the command to modify
* @fd: fd to reassign to the child
*
* Get the parameters for the QEMU -add-fd command line option
* for the given file descriptor. The file descriptor must previously
* have been 'transferred' in a virCommandPassFD() call.
* This function for example returns "set=10,fd=20".
*/
static char *
qemuVirCommandGetFDSet(virCommandPtr cmd, int fd)
{
char *result = NULL;
int idx = virCommandPassFDGetFDIndex(cmd, fd);
if (idx >= 0) {
ignore_value(virAsprintf(&result, "set=%d,fd=%d", idx, fd));
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("file descriptor %d has not been transferred"), fd);
}
return result;
}
/**
* qemuVirCommandGetDevSet:
* @cmd: the command to modify
* @fd: fd to reassign to the child
*
* Get the parameters for the QEMU path= parameter where a file
* descriptor is accessed via a file descriptor set, for example
* /dev/fdset/10. The file descriptor must previously have been
* 'transferred' in a virCommandPassFD() call.
*/
static char *
qemuVirCommandGetDevSet(virCommandPtr cmd, int fd)
{
char *result = NULL;
int idx = virCommandPassFDGetFDIndex(cmd, fd);
if (idx >= 0) {
ignore_value(virAsprintf(&result, "/dev/fdset/%d", idx));
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("file descriptor %d has not been transferred"), fd);
}
return result;
}
/**
* qemuPhysIfaceConnect:
* @def: the definition of the VM (needed by 802.1Qbh and audit)
* @driver: pointer to the driver instance
* @net: pointer to the VM's interface description with direct device type
* @qemuCaps: flags for qemu
* @vmop: VM operation type
*
* Returns a filedescriptor on success or -1 in case of error.
*/
int
qemuPhysIfaceConnect(virDomainDefPtr def,
virQEMUDriverPtr driver,
virDomainNetDefPtr net,
virQEMUCapsPtr qemuCaps,
virNetDevVPortProfileOp vmop)
{
int rc;
char *res_ifname = NULL;
int vnet_hdr = 0;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
unsigned int macvlan_create_flags = VIR_NETDEV_MACVLAN_CREATE_WITH_TAP;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNET_HDR) &&
net->model && STREQ(net->model, "virtio"))
vnet_hdr = 1;
rc = virNetDevMacVLanCreateWithVPortProfile(
net->ifname, &net->mac,
virDomainNetGetActualDirectDev(net),
virDomainNetGetActualDirectMode(net),
vnet_hdr, def->uuid,
virDomainNetGetActualVirtPortProfile(net),
&res_ifname,
vmop, cfg->stateDir,
macvlan_create_flags);
if (rc >= 0) {
virDomainAuditNetDevice(def, net, res_ifname, true);
VIR_FREE(net->ifname);
net->ifname = res_ifname;
}
virObjectUnref(cfg);
return rc;
}
/**
* qemuCreateInBridgePortWithHelper:
* @cfg: the configuration object in which the helper name is looked up
* @brname: the bridge name
* @ifname: the returned interface name
* @macaddr: the returned MAC address
* @tapfd: file descriptor return value for the new tap device
* @flags: OR of virNetDevTapCreateFlags:
* VIR_NETDEV_TAP_CREATE_VNET_HDR
* - Enable IFF_VNET_HDR on the tap device
*
* This function creates a new tap device on a bridge using an external
* helper. The final name for the bridge will be stored in @ifname.
*
* Returns 0 in case of success or -1 on failure
*/
static int qemuCreateInBridgePortWithHelper(virQEMUDriverConfigPtr cfg,
const char *brname,
char **ifname,
int *tapfd,
unsigned int flags)
{
virCommandPtr cmd;
int pair[2] = { -1, -1 };
if ((flags & ~VIR_NETDEV_TAP_CREATE_VNET_HDR) != VIR_NETDEV_TAP_CREATE_IFUP)
return -1;
if (socketpair(AF_UNIX, SOCK_STREAM, 0, pair) < 0) {
virReportSystemError(errno, "%s", _("failed to create socket"));
return -1;
}
cmd = virCommandNew(cfg->bridgeHelperName);
if (flags & VIR_NETDEV_TAP_CREATE_VNET_HDR)
virCommandAddArgFormat(cmd, "--use-vnet");
virCommandAddArgFormat(cmd, "--br=%s", brname);
virCommandAddArgFormat(cmd, "--fd=%d", pair[1]);
virCommandPassFD(cmd, pair[1],
VIR_COMMAND_PASS_FD_CLOSE_PARENT);
virCommandClearCaps(cmd);
#ifdef CAP_NET_ADMIN
virCommandAllowCap(cmd, CAP_NET_ADMIN);
#endif
if (virCommandRunAsync(cmd, NULL) < 0) {
*tapfd = -1;
goto cleanup;
}
do {
*tapfd = recvfd(pair[0], 0);
} while (*tapfd < 0 && errno == EINTR);
if (*tapfd < 0) {
virReportSystemError(errno, "%s",
_("failed to retrieve file descriptor for interface"));
goto cleanup;
}
if (virNetDevTapGetName(*tapfd, ifname) < 0 ||
virCommandWait(cmd, NULL) < 0) {
VIR_FORCE_CLOSE(*tapfd);
*tapfd = -1;
}
cleanup:
virCommandFree(cmd);
VIR_FORCE_CLOSE(pair[0]);
return *tapfd < 0 ? -1 : 0;
}
/* qemuNetworkIfaceConnect - *only* called if actualType is
* VIR_DOMAIN_NET_TYPE_NETWORK or VIR_DOMAIN_NET_TYPE_BRIDGE (i.e. if
* the connection is made with a tap device connecting to a bridge
* device)
*/
int
qemuNetworkIfaceConnect(virDomainDefPtr def,
virQEMUDriverPtr driver,
virDomainNetDefPtr net,
virQEMUCapsPtr qemuCaps,
int *tapfd,
size_t *tapfdSize)
{
const char *brname;
int ret = -1;
unsigned int tap_create_flags = VIR_NETDEV_TAP_CREATE_IFUP;
bool template_ifname = false;
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
const char *tunpath = "/dev/net/tun";
if (net->backend.tap) {
tunpath = net->backend.tap;
if (!(virQEMUDriverIsPrivileged(driver))) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("cannot use custom tap device in session mode"));
goto cleanup;
}
}
if (!(brname = virDomainNetGetActualBridgeName(net))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Missing bridge name"));
goto cleanup;
}
if (!net->ifname ||
STRPREFIX(net->ifname, VIR_NET_GENERATED_PREFIX) ||
strchr(net->ifname, '%')) {
VIR_FREE(net->ifname);
if (VIR_STRDUP(net->ifname, VIR_NET_GENERATED_PREFIX "%d") < 0)
goto cleanup;
/* avoid exposing vnet%d in getXMLDesc or error outputs */
template_ifname = true;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNET_HDR) &&
net->model && STREQ(net->model, "virtio")) {
tap_create_flags |= VIR_NETDEV_TAP_CREATE_VNET_HDR;
}
if (virQEMUDriverIsPrivileged(driver)) {
if (virNetDevTapCreateInBridgePort(brname, &net->ifname, &net->mac,
def->uuid, tunpath, tapfd, *tapfdSize,
virDomainNetGetActualVirtPortProfile(net),
virDomainNetGetActualVlan(net),
tap_create_flags) < 0) {
virDomainAuditNetDevice(def, net, tunpath, false);
goto cleanup;
}
if (virDomainNetGetActualBridgeMACTableManager(net)
== VIR_NETWORK_BRIDGE_MAC_TABLE_MANAGER_LIBVIRT) {
/* libvirt is managing the FDB of the bridge this device
* is attaching to, so we need to turn off learning and
* unicast_flood on the device to prevent the kernel from
* adding any FDB entries for it. We will add add an fdb
* entry ourselves (during qemuInterfaceStartDevices(),
* using the MAC address from the interface config.
*/
if (virNetDevBridgePortSetLearning(brname, net->ifname, false) < 0)
goto cleanup;
if (virNetDevBridgePortSetUnicastFlood(brname, net->ifname, false) < 0)
goto cleanup;
}
} else {
if (qemuCreateInBridgePortWithHelper(cfg, brname,
&net->ifname,
tapfd, tap_create_flags) < 0) {
virDomainAuditNetDevice(def, net, tunpath, false);
goto cleanup;
}
/* qemuCreateInBridgePortWithHelper can only create a single FD */
if (*tapfdSize > 1) {
VIR_WARN("Ignoring multiqueue network request");
*tapfdSize = 1;
}
}
virDomainAuditNetDevice(def, net, tunpath, true);
if (cfg->macFilter &&
ebtablesAddForwardAllowIn(driver->ebtables,
net->ifname,
&net->mac) < 0)
goto cleanup;
if (net->filter &&
virDomainConfNWFilterInstantiate(def->uuid, net) < 0) {
goto cleanup;
}
ret = 0;
cleanup:
if (ret < 0) {
size_t i;
for (i = 0; i < *tapfdSize && tapfd[i] >= 0; i++)
VIR_FORCE_CLOSE(tapfd[i]);
if (template_ifname)
VIR_FREE(net->ifname);
}
virObjectUnref(cfg);
return ret;
}
static bool
qemuDomainSupportsNicdev(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainNetDefPtr net)
{
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
return false;
/* non-virtio ARM nics require legacy -net nic */
if (((def->os.arch == VIR_ARCH_ARMV7L) ||
(def->os.arch == VIR_ARCH_AARCH64)) &&
net->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO)
return false;
return true;
}
static bool
qemuDomainSupportsNetdev(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainNetDefPtr net)
{
if (!qemuDomainSupportsNicdev(def, qemuCaps, net))
return false;
return virQEMUCapsGet(qemuCaps, QEMU_CAPS_NETDEV);
}
static int
qemuBuildObjectCommandLinePropsInternal(const char *key,
const virJSONValue *value,
virBufferPtr buf,
bool nested)
{
virJSONValuePtr elem;
virBitmapPtr bitmap = NULL;
ssize_t pos = -1;
ssize_t end;
size_t i;
switch ((virJSONType) value->type) {
case VIR_JSON_TYPE_STRING:
virBufferAsprintf(buf, ",%s=%s", key, value->data.string);
break;
case VIR_JSON_TYPE_NUMBER:
virBufferAsprintf(buf, ",%s=%s", key, value->data.number);
break;
case VIR_JSON_TYPE_BOOLEAN:
if (value->data.boolean)
virBufferAsprintf(buf, ",%s=yes", key);
else
virBufferAsprintf(buf, ",%s=no", key);
break;
case VIR_JSON_TYPE_ARRAY:
if (nested) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("nested -object property arrays are not supported"));
return -1;
}
if (virJSONValueGetArrayAsBitmap(value, &bitmap) == 0) {
while ((pos = virBitmapNextSetBit(bitmap, pos)) > -1) {
if ((end = virBitmapNextClearBit(bitmap, pos)) < 0)
end = virBitmapLastSetBit(bitmap) + 1;
if (end - 1 > pos) {
virBufferAsprintf(buf, ",%s=%zd-%zd", key, pos, end - 1);
pos = end;
} else {
virBufferAsprintf(buf, ",%s=%zd", key, pos);
}
}
} else {
/* fallback, treat the array as a non-bitmap, adding the key
* for each member */
for (i = 0; i < virJSONValueArraySize(value); i++) {
elem = virJSONValueArrayGet((virJSONValuePtr)value, i);
/* recurse to avoid duplicating code */
if (qemuBuildObjectCommandLinePropsInternal(key, elem, buf,
true) < 0)
return -1;
}
}
break;
case VIR_JSON_TYPE_OBJECT:
case VIR_JSON_TYPE_NULL:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("NULL and OBJECT JSON types can't be converted to "
"commandline string"));
return -1;
}
virBitmapFree(bitmap);
return 0;
}
static int
qemuBuildObjectCommandLineProps(const char *key,
const virJSONValue *value,
void *opaque)
{
return qemuBuildObjectCommandLinePropsInternal(key, value, opaque, false);
}
char *
qemuBuildObjectCommandlineFromJSON(const char *type,
const char *alias,
virJSONValuePtr props)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *ret = NULL;
virBufferAsprintf(&buf, "%s,id=%s", type, alias);
if (virJSONValueObjectForeachKeyValue(props,
qemuBuildObjectCommandLineProps,
&buf) < 0)
goto cleanup;
if (virBufferCheckError(&buf) < 0)
goto cleanup;
ret = virBufferContentAndReset(&buf);
cleanup:
virBufferFreeAndReset(&buf);
return ret;
}
/**
* qemuOpenVhostNet:
* @def: domain definition
* @net: network definition
* @qemuCaps: qemu binary capabilities
* @vhostfd: array of opened vhost-net device
* @vhostfdSize: number of file descriptors in @vhostfd array
*
* Open vhost-net, multiple times - if requested.
* In case, no vhost-net is needed, @vhostfdSize is set to 0
* and 0 is returned.
*
* Returns: 0 on success
* -1 on failure
*/
int
qemuOpenVhostNet(virDomainDefPtr def,
virDomainNetDefPtr net,
virQEMUCapsPtr qemuCaps,
int *vhostfd,
size_t *vhostfdSize)
{
size_t i;
const char *vhostnet_path = net->backend.vhost;
if (!vhostnet_path)
vhostnet_path = "/dev/vhost-net";
/* If running a plain QEMU guest, or
* if the config says explicitly to not use vhost, return now*/
if (def->virtType != VIR_DOMAIN_VIRT_KVM ||
net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_QEMU) {
*vhostfdSize = 0;
return 0;
}
/* If qemu doesn't support vhost-net mode (including the -netdev command
* option), don't try to open the device.
*/
if (!(virQEMUCapsGet(qemuCaps, QEMU_CAPS_VHOST_NET) &&
qemuDomainSupportsNetdev(def, qemuCaps, net))) {
if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("vhost-net is not supported with "
"this QEMU binary"));
return -1;
}
*vhostfdSize = 0;
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) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("vhost-net is only supported for "
"virtio network interfaces"));
return -1;
}
*vhostfdSize = 0;
return 0;
}
for (i = 0; i < *vhostfdSize; i++) {
vhostfd[i] = open(vhostnet_path, O_RDWR);
/* If the config says explicitly to use vhost and we couldn't open it,
* report an error.
*/
if (vhostfd[i] < 0) {
virDomainAuditNetDevice(def, net, vhostnet_path, false);
if (net->driver.virtio.name == VIR_DOMAIN_NET_BACKEND_TYPE_VHOST) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("vhost-net was requested for an interface, "
"but is unavailable"));
goto error;
}
VIR_WARN("Unable to open vhost-net. Opened so far %zu, requested %zu",
i, *vhostfdSize);
*vhostfdSize = i;
break;
}
}
virDomainAuditNetDevice(def, net, vhostnet_path, *vhostfdSize);
return 0;
error:
while (i--)
VIR_FORCE_CLOSE(vhostfd[i]);
return -1;
}
int
qemuNetworkPrepareDevices(virDomainDefPtr def)
{
int ret = -1;
size_t i;
for (i = 0; i < def->nnets; i++) {
virDomainNetDefPtr net = def->nets[i];
int actualType;
/* 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(def, net) < 0)
goto cleanup;
actualType = virDomainNetGetActualType(net);
if (actualType == VIR_DOMAIN_NET_TYPE_HOSTDEV &&
net->type == VIR_DOMAIN_NET_TYPE_NETWORK) {
/* Each type='hostdev' network device must also have a
* corresponding entry in the hostdevs array. For netdevs
* that are hardcoded as type='hostdev', this is already
* done by the parser, but for those allocated from a
* network / determined at runtime, we need to do it
* separately.
*/
virDomainHostdevDefPtr hostdev = virDomainNetGetActualHostdev(net);
virDomainHostdevSubsysPCIPtr pcisrc = &hostdev->source.subsys.u.pci;
if (virDomainHostdevFind(def, hostdev, NULL) >= 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("PCI device %04x:%02x:%02x.%x "
"allocated from network %s is already "
"in use by domain %s"),
pcisrc->addr.domain, pcisrc->addr.bus,
pcisrc->addr.slot, pcisrc->addr.function,
net->data.network.name, def->name);
goto cleanup;
}
if (virDomainHostdevInsert(def, hostdev) < 0)
goto cleanup;
}
}
ret = 0;
cleanup:
return ret;
}
static int qemuDomainDeviceAliasIndex(const virDomainDeviceInfo *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 (VIR_STRDUP(dev_name,
disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM &&
STREQ(disk->dst, "hdc") ? "cdrom" : disk->dst) < 0)
return -1;
disk->info.alias = dev_name;
return 0;
}
char *qemuDeviceDriveHostAlias(virDomainDiskDefPtr disk,
virQEMUCapsPtr qemuCaps)
{
char *ret;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
ignore_value(virAsprintf(&ret, "%s%s", QEMU_DRIVE_HOST_PREFIX,
disk->info.alias));
} else {
ignore_value(VIR_STRDUP(ret, disk->info.alias));
}
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) {
virReportError(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;
case VIR_DOMAIN_DISK_BUS_SD:
ret = virAsprintf(&dev_name, "sd%d", devid);
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported disk name mapping for bus '%s'"),
virDomainDiskBusTypeToString(disk->bus));
return -1;
}
if (ret == -1)
return -1;
disk->info.alias = dev_name;
return 0;
}
static int
qemuSetSCSIControllerModel(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
int *model)
{
if (*model > 0) {
switch (*model) {
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_LSI)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU doesn't support "
"the LSI 53C895A SCSI controller"));
return -1;
}
break;
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_SCSI)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU doesn't support "
"virtio scsi controller"));
return -1;
}
break;
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI:
/*TODO: need checking work here if necessary */
break;
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1078:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_MEGASAS)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU doesn't support "
"the LSI SAS1078 controller"));
return -1;
}
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported controller model: %s"),
virDomainControllerModelSCSITypeToString(*model));
return -1;
}
} else {
if (ARCH_IS_PPC64(def->os.arch) &&
STRPREFIX(def->os.machine, "pseries")) {
*model = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI;
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_LSI)) {
*model = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC;
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_SCSI)) {
*model = VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to determine model for scsi controller"));
return -1;
}
}
return 0;
}
/* Our custom -drive naming scheme used with id= */
static int
qemuAssignDeviceDiskAliasCustom(virDomainDefPtr def,
virDomainDiskDefPtr disk,
virQEMUCapsPtr qemuCaps)
{
const char *prefix = virDomainDiskBusTypeToString(disk->bus);
int controllerModel = -1;
if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DRIVE) {
if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI) {
controllerModel =
virDomainDeviceFindControllerModel(def, &disk->info,
VIR_DOMAIN_CONTROLLER_TYPE_SCSI);
if ((qemuSetSCSIControllerModel(def, qemuCaps, &controllerModel)) < 0)
return -1;
}
if (disk->bus != VIR_DOMAIN_DISK_BUS_SCSI ||
controllerModel == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) {
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)
return -1;
} else {
if (virAsprintf(&disk->info.alias, "%s%d-%d-%d-%d", prefix,
disk->info.addr.drive.controller,
disk->info.addr.drive.bus,
disk->info.addr.drive.target,
disk->info.addr.drive.unit) < 0)
return -1;
}
} else {
int idx = virDiskNameToIndex(disk->dst);
if (virAsprintf(&disk->info.alias, "%s-disk%d", prefix, idx) < 0)
return -1;
}
return 0;
}
int
qemuAssignDeviceDiskAlias(virDomainDefPtr vmdef,
virDomainDiskDefPtr def,
virQEMUCapsPtr qemuCaps)
{
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE)) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
return qemuAssignDeviceDiskAliasCustom(vmdef, def, qemuCaps);
else
return qemuAssignDeviceDiskAliasFixed(def);
} else {
return qemuAssignDeviceDiskAliasLegacy(def);
}
}
int
qemuAssignDeviceNetAlias(virDomainDefPtr def, virDomainNetDefPtr net, int idx)
{
if (idx == -1) {
size_t i;
idx = 0;
for (i = 0; i < def->nnets; i++) {
int thisidx;
if (virDomainNetGetActualType(def->nets[i])
== VIR_DOMAIN_NET_TYPE_HOSTDEV) {
/* type='hostdev' interfaces have a hostdev%d alias */
continue;
}
if ((thisidx = qemuDomainDeviceAliasIndex(&def->nets[i]->info, "net")) < 0) {
virReportError(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)
return -1;
return 0;
}
int
qemuAssignDeviceHostdevAlias(virDomainDefPtr def, virDomainHostdevDefPtr hostdev, int idx)
{
if (idx == -1) {
size_t i;
idx = 0;
for (i = 0; i < def->nhostdevs; i++) {
int thisidx;
if ((thisidx = qemuDomainDeviceAliasIndex(def->hostdevs[i]->info, "hostdev")) < 0) {
virReportError(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)
return -1;
return 0;
}
int
qemuAssignDeviceRedirdevAlias(virDomainDefPtr def, virDomainRedirdevDefPtr redirdev, int idx)
{
if (idx == -1) {
size_t i;
idx = 0;
for (i = 0; i < def->nredirdevs; i++) {
int thisidx;
if ((thisidx = qemuDomainDeviceAliasIndex(&def->redirdevs[i]->info, "redir")) < 0) {
virReportError(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)
return -1;
return 0;
}
int
qemuAssignDeviceControllerAlias(virDomainDefPtr domainDef,
virQEMUCapsPtr qemuCaps,
virDomainControllerDefPtr controller)
{
const char *prefix = virDomainControllerTypeToString(controller->type);
if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) {
if (!virQEMUCapsHasPCIMultiBus(qemuCaps, domainDef)) {
/* qemus that don't support multiple PCI buses have
* hardcoded the name of their single PCI controller as
* "pci".
*/
return VIR_STRDUP(controller->info.alias, "pci");
} else if (controller->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT) {
/* The pcie-root controller on Q35 machinetypes uses a
* different naming convention ("pcie.0"), because it is
* hardcoded that way in qemu.
*/
return virAsprintf(&controller->info.alias, "pcie.%d", controller->idx);
}
/* All other PCI controllers use the consistent "pci.%u"
* (including the hardcoded pci-root controller on
* multibus-capable qemus).
*/
return virAsprintf(&controller->info.alias, "pci.%d", controller->idx);
} else if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE) {
/* for any machine based on I440FX, the first (and currently
* only) IDE controller is an integrated controller hardcoded
* with id "ide"
*/
if (qemuDomainMachineIsI440FX(domainDef) && controller->idx == 0)
return VIR_STRDUP(controller->info.alias, "ide");
} else if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_SATA) {
/* for any Q35 machine, the first SATA controller is the
* integrated one, and it too is hardcoded with id "ide"
*/
if (qemuDomainMachineIsQ35(domainDef) && controller->idx == 0)
return VIR_STRDUP(controller->info.alias, "ide");
} else if (controller->type == VIR_DOMAIN_CONTROLLER_TYPE_USB) {
/* first USB device is "usb", others are normal "usb%d" */
if (controller->idx == 0)
return VIR_STRDUP(controller->info.alias, "usb");
}
/* all other controllers use the default ${type}${index} naming
* scheme for alias/id.
*/
return virAsprintf(&controller->info.alias, "%s%d", prefix, controller->idx);
}
static ssize_t
qemuGetNextChrDevIndex(virDomainDefPtr def,
virDomainChrDefPtr chr,
const char *prefix)
{
const virDomainChrDef **arrPtr;
size_t cnt;
size_t i;
ssize_t idx = 0;
const char *prefix2 = NULL;
if (chr->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE)
prefix2 = "serial";
virDomainChrGetDomainPtrs(def, chr->deviceType, &arrPtr, &cnt);
for (i = 0; i < cnt; i++) {
ssize_t thisidx;
if (((thisidx = qemuDomainDeviceAliasIndex(&arrPtr[i]->info, prefix)) < 0) &&
(prefix2 &&
(thisidx = qemuDomainDeviceAliasIndex(&arrPtr[i]->info, prefix2)) < 0)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Unable to determine device index for character device"));
return -1;
}
if (thisidx >= idx)
idx = thisidx + 1;
}
return idx;
}
int
qemuAssignDeviceRNGAlias(virDomainRNGDefPtr rng,
size_t idx)
{
if (virAsprintf(&rng->info.alias, "rng%zu", idx) < 0)
return -1;
return 0;
}
int
qemuAssignDeviceChrAlias(virDomainDefPtr def,
virDomainChrDefPtr chr,
ssize_t idx)
{
const char *prefix = NULL;
switch ((virDomainChrDeviceType) chr->deviceType) {
case VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL:
prefix = "parallel";
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL:
prefix = "serial";
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE:
prefix = "console";
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL:
prefix = "channel";
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_LAST:
return -1;
}
if (idx == -1 && (idx = qemuGetNextChrDevIndex(def, chr, prefix)) < 0)
return -1;
return virAsprintf(&chr->info.alias, "%s%zd", prefix, idx);
}
int
qemuAssignDeviceAliases(virDomainDefPtr def, virQEMUCapsPtr qemuCaps)
{
size_t i;
for (i = 0; i < def->ndisks; i++) {
if (qemuAssignDeviceDiskAlias(def, def->disks[i], qemuCaps) < 0)
return -1;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NET_NAME) ||
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
for (i = 0; i < def->nnets; i++) {
/* type='hostdev' interfaces are also on the hostdevs list,
* and will have their alias assigned with other hostdevs.
*/
if (virDomainNetGetActualType(def->nets[i])
!= VIR_DOMAIN_NET_TYPE_HOSTDEV &&
qemuAssignDeviceNetAlias(def, def->nets[i], i) < 0) {
return -1;
}
}
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
return 0;
for (i = 0; i < def->nfss; i++) {
if (virAsprintf(&def->fss[i]->info.alias, "fs%zu", i) < 0)
return -1;
}
for (i = 0; i < def->nsounds; i++) {
if (virAsprintf(&def->sounds[i]->info.alias, "sound%zu", i) < 0)
return -1;
}
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%zu", i) < 0)
return -1;
}
for (i = 0; i < def->ncontrollers; i++) {
if (qemuAssignDeviceControllerAlias(def, qemuCaps, def->controllers[i]) < 0)
return -1;
}
for (i = 0; i < def->ninputs; i++) {
if (virAsprintf(&def->inputs[i]->info.alias, "input%zu", i) < 0)
return -1;
}
for (i = 0; i < def->nparallels; i++) {
if (qemuAssignDeviceChrAlias(def, def->parallels[i], i) < 0)
return -1;
}
for (i = 0; i < def->nserials; i++) {
if (qemuAssignDeviceChrAlias(def, def->serials[i], i) < 0)
return -1;
}
for (i = 0; i < def->nchannels; i++) {
if (qemuAssignDeviceChrAlias(def, def->channels[i], i) < 0)
return -1;
}
for (i = 0; i < def->nconsoles; i++) {
if (qemuAssignDeviceChrAlias(def, def->consoles[i], i) < 0)
return -1;
}
for (i = 0; i < def->nhubs; i++) {
if (virAsprintf(&def->hubs[i]->info.alias, "hub%zu", i) < 0)
return -1;
}
for (i = 0; i < def->nshmems; i++) {
if (virAsprintf(&def->shmems[i]->info.alias, "shmem%zu", i) < 0)
return -1;
}
for (i = 0; i < def->nsmartcards; i++) {
if (virAsprintf(&def->smartcards[i]->info.alias, "smartcard%zu", i) < 0)
return -1;
}
if (def->watchdog) {
if (virAsprintf(&def->watchdog->info.alias, "watchdog%d", 0) < 0)
return -1;
}
if (def->memballoon) {
if (virAsprintf(&def->memballoon->info.alias, "balloon%d", 0) < 0)
return -1;
}
for (i = 0; i < def->nrngs; i++) {
if (qemuAssignDeviceRNGAlias(def->rngs[i], i) < 0)
return -1;
}
if (def->tpm) {
if (virAsprintf(&def->tpm->info.alias, "tpm%d", 0) < 0)
return -1;
}
for (i = 0; i < def->nmems; i++) {
if (virAsprintf(&def->mems[i]->info.alias, "dimm%zu", i) < 0)
return -1;
}
return 0;
}
static void
qemuDomainPrimeVirtioDeviceAddresses(virDomainDefPtr def,
virDomainDeviceAddressType type)
{
/*
declare address-less virtio devices to be of address type 'type'
disks, networks, consoles, controllers, memballoon and rng in this
order
*/
size_t i;
for (i = 0; i < def->ndisks; i++) {
if (def->disks[i]->bus == VIR_DOMAIN_DISK_BUS_VIRTIO &&
def->disks[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
def->disks[i]->info.type = type;
}
for (i = 0; i < def->nnets; i++) {
if (STREQ(def->nets[i]->model, "virtio") &&
def->nets[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
def->nets[i]->info.type = type;
}
}
for (i = 0; i < def->ncontrollers; i++) {
if ((def->controllers[i]->type ==
VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL ||
def->controllers[i]->type ==
VIR_DOMAIN_CONTROLLER_TYPE_SCSI) &&
def->controllers[i]->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
def->controllers[i]->info.type = type;
}
if (def->memballoon &&
def->memballoon->model == VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO &&
def->memballoon->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
def->memballoon->info.type = type;
for (i = 0; i < def->nrngs; i++) {
if (def->rngs[i]->model == VIR_DOMAIN_RNG_MODEL_VIRTIO &&
def->rngs[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
def->rngs[i]->info.type = type;
}
}
/*
* Three steps populating CCW devnos
* 1. Allocate empty address set
* 2. Gather addresses with explicit devno
* 3. Assign defaults to the rest
*/
static int
qemuDomainAssignS390Addresses(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainObjPtr obj)
{
int ret = -1;
virDomainCCWAddressSetPtr addrs = NULL;
qemuDomainObjPrivatePtr priv = NULL;
if (STREQLEN(def->os.machine, "s390-ccw", 8) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_CCW)) {
qemuDomainPrimeVirtioDeviceAddresses(
def, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW);
if (!(addrs = virDomainCCWAddressSetCreate()))
goto cleanup;
if (virDomainDeviceInfoIterate(def, virDomainCCWAddressValidate,
addrs) < 0)
goto cleanup;
if (virDomainDeviceInfoIterate(def, virDomainCCWAddressAllocate,
addrs) < 0)
goto cleanup;
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_S390)) {
/* deal with legacy virtio-s390 */
qemuDomainPrimeVirtioDeviceAddresses(
def, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390);
}
if (obj && obj->privateData) {
priv = obj->privateData;
if (addrs) {
/* if this is the live domain object, we persist the CCW addresses*/
virDomainCCWAddressSetFree(priv->ccwaddrs);
priv->persistentAddrs = 1;
priv->ccwaddrs = addrs;
addrs = NULL;
} else {
priv->persistentAddrs = 0;
}
}
ret = 0;
cleanup:
virDomainCCWAddressSetFree(addrs);
return ret;
}
static int
qemuDomainAssignARMVirtioMMIOAddresses(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps)
{
if (((def->os.arch == VIR_ARCH_ARMV7L) ||
(def->os.arch == VIR_ARCH_AARCH64)) &&
(STRPREFIX(def->os.machine, "vexpress-") ||
STREQ(def->os.machine, "virt") ||
STRPREFIX(def->os.machine, "virt-")) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_MMIO)) {
qemuDomainPrimeVirtioDeviceAddresses(
def, VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO);
}
return 0;
}
static int
qemuSpaprVIOFindByReg(virDomainDefPtr def ATTRIBUTE_UNUSED,
virDomainDeviceDefPtr device ATTRIBUTE_UNUSED,
virDomainDeviceInfoPtr info, void *opaque)
{
virDomainDeviceInfoPtr target = opaque;
if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO)
return 0;
/* Match a dev that has a reg, is not us, and has a matching reg */
if (info->addr.spaprvio.has_reg && info != target &&
info->addr.spaprvio.reg == target->addr.spaprvio.reg)
/* Has to be < 0 so virDomainDeviceInfoIterate() will exit */
return -1;
return 0;
}
static int
qemuAssignSpaprVIOAddress(virDomainDefPtr def, virDomainDeviceInfoPtr info,
unsigned long long default_reg)
{
bool user_reg;
int ret;
if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO)
return 0;
/* Check if the user has assigned the reg already, if so use it */
user_reg = info->addr.spaprvio.has_reg;
if (!user_reg) {
info->addr.spaprvio.reg = default_reg;
info->addr.spaprvio.has_reg = true;
}
ret = virDomainDeviceInfoIterate(def, qemuSpaprVIOFindByReg, info);
while (ret != 0) {
if (user_reg) {
virReportError(VIR_ERR_XML_ERROR,
_("spapr-vio address %#llx already in use"),
info->addr.spaprvio.reg);
return -EEXIST;
}
/* We assigned the reg, so try a new value */
info->addr.spaprvio.reg += 0x1000;
ret = virDomainDeviceInfoIterate(def, qemuSpaprVIOFindByReg, info);
}
return 0;
}
static int
qemuDomainAssignVirtioSerialAddresses(virDomainDefPtr def,
virDomainObjPtr obj)
{
int ret = -1;
size_t i;
virDomainVirtioSerialAddrSetPtr addrs = NULL;
qemuDomainObjPrivatePtr priv = NULL;
if (!(addrs = virDomainVirtioSerialAddrSetCreate()))
goto cleanup;
if (virDomainVirtioSerialAddrSetAddControllers(addrs, def) < 0)
goto cleanup;
if (virDomainDeviceInfoIterate(def, virDomainVirtioSerialAddrReserve,
addrs) < 0)
goto cleanup;
VIR_DEBUG("Finished reserving existing ports");
for (i = 0; i < def->nconsoles; i++) {
virDomainChrDefPtr chr = def->consoles[i];
if (chr->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE &&
chr->targetType == VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO &&
!virDomainVirtioSerialAddrIsComplete(&chr->info) &&
virDomainVirtioSerialAddrAutoAssign(def, addrs, &chr->info, true) < 0)
goto cleanup;
}
for (i = 0; i < def->nchannels; i++) {
virDomainChrDefPtr chr = def->channels[i];
if (chr->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL &&
chr->targetType == VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO &&
!virDomainVirtioSerialAddrIsComplete(&chr->info) &&
virDomainVirtioSerialAddrAutoAssign(def, addrs, &chr->info, false) < 0)
goto cleanup;
}
if (obj && obj->privateData) {
priv = obj->privateData;
/* if this is the live domain object, we persist the addresses */
virDomainVirtioSerialAddrSetFree(priv->vioserialaddrs);
priv->persistentAddrs = 1;
priv->vioserialaddrs = addrs;
addrs = NULL;
}
ret = 0;
cleanup:
virDomainVirtioSerialAddrSetFree(addrs);
return ret;
}
int qemuDomainAssignSpaprVIOAddresses(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps)
{
size_t i;
int ret = -1;
int model;
/* Default values match QEMU. See spapr_(llan|vscsi|vty).c */
for (i = 0; i < def->nnets; i++) {
if (def->nets[i]->model &&
STREQ(def->nets[i]->model, "spapr-vlan"))
def->nets[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
if (qemuAssignSpaprVIOAddress(def, &def->nets[i]->info,
VIO_ADDR_NET) < 0)
goto cleanup;
}
for (i = 0; i < def->ncontrollers; i++) {
model = def->controllers[i]->model;
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI) {
if (qemuSetSCSIControllerModel(def, qemuCaps, &model) < 0)
goto cleanup;
}
if (model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI &&
def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI)
def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
if (qemuAssignSpaprVIOAddress(def, &def->controllers[i]->info,
VIO_ADDR_SCSI) < 0)
goto cleanup;
}
for (i = 0; i < def->nserials; i++) {
if (def->serials[i]->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL &&
ARCH_IS_PPC64(def->os.arch) &&
STRPREFIX(def->os.machine, "pseries"))
def->serials[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
if (qemuAssignSpaprVIOAddress(def, &def->serials[i]->info,
VIO_ADDR_SERIAL) < 0)
goto cleanup;
}
if (def->nvram) {
if (ARCH_IS_PPC64(def->os.arch) &&
STRPREFIX(def->os.machine, "pseries"))
def->nvram->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
if (qemuAssignSpaprVIOAddress(def, &def->nvram->info,
VIO_ADDR_NVRAM) < 0)
goto cleanup;
}
/* No other devices are currently supported on spapr-vio */
ret = 0;
cleanup:
return ret;
}
static int
qemuCollectPCIAddress(virDomainDefPtr def ATTRIBUTE_UNUSED,
virDomainDeviceDefPtr device,
virDomainDeviceInfoPtr info,
void *opaque)
{
virDomainPCIAddressSetPtr addrs = opaque;
int ret = -1;
virDevicePCIAddressPtr addr = &info->addr.pci;
bool entireSlot;
/* flags may be changed from default below */
virDomainPCIConnectFlags flags = (VIR_PCI_CONNECT_HOTPLUGGABLE |
VIR_PCI_CONNECT_TYPE_PCI);
if ((info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI)
|| ((device->type == VIR_DOMAIN_DEVICE_HOSTDEV) &&
(device->data.hostdev->parent.type != VIR_DOMAIN_DEVICE_NONE))) {
/* If a hostdev has a parent, its info will be a part of the
* parent, and will have its address collected during the scan
* of the parent's device type.
*/
return 0;
}
/* Change flags according to differing requirements of different
* devices.
*/
switch (device->type) {
case VIR_DOMAIN_DEVICE_CONTROLLER:
switch (device->data.controller->type) {
case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
switch (device->data.controller->model) {
case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
/* pci-bridge needs a PCI slot, but it isn't
* hot-pluggable, so it doesn't need a hot-pluggable slot.
*/
flags = VIR_PCI_CONNECT_TYPE_PCI;
break;
case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
/* pci-bridge needs a PCIe slot, but it isn't
* hot-pluggable, so it doesn't need a hot-pluggable slot.
*/
flags = VIR_PCI_CONNECT_TYPE_PCIE;
break;
default:
break;
}
break;
case VIR_DOMAIN_CONTROLLER_TYPE_SATA:
/* SATA controllers aren't hot-plugged, and can be put in
* either a PCI or PCIe slot
*/
flags = VIR_PCI_CONNECT_TYPE_PCI | VIR_PCI_CONNECT_TYPE_PCIE;
break;
case VIR_DOMAIN_CONTROLLER_TYPE_USB:
/* allow UHCI and EHCI controllers to be manually placed on
* the PCIe bus (but don't put them there automatically)
*/
switch (device->data.controller->model) {
case VIR_DOMAIN_CONTROLLER_MODEL_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:
case VIR_DOMAIN_CONTROLLER_MODEL_USB_VT82C686B_UHCI:
flags = (VIR_PCI_CONNECT_TYPE_PCI |
VIR_PCI_CONNECT_TYPE_EITHER_IF_CONFIG);
break;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_NEC_XHCI:
/* should this be PCIE-only? Or do we need to allow PCI
* for backward compatibility?
*/
flags = VIR_PCI_CONNECT_TYPE_PCI | VIR_PCI_CONNECT_TYPE_PCIE;
break;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_PCI_OHCI:
case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI:
case VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX4_UHCI:
/* Allow these for PCI only */
break;
}
}
break;
case VIR_DOMAIN_DEVICE_SOUND:
switch (device->data.sound->model) {
case VIR_DOMAIN_SOUND_MODEL_ICH6:
case VIR_DOMAIN_SOUND_MODEL_ICH9:
flags = (VIR_PCI_CONNECT_TYPE_PCI |
VIR_PCI_CONNECT_TYPE_EITHER_IF_CONFIG);
break;
}
break;
case VIR_DOMAIN_DEVICE_VIDEO:
/* video cards aren't hot-plugged, and can be put in either a
* PCI or PCIe slot
*/
flags = VIR_PCI_CONNECT_TYPE_PCI | VIR_PCI_CONNECT_TYPE_PCIE;
break;
}
/* Ignore implicit controllers on slot 0:0:1.0:
* implicit IDE controller on 0:0:1.1 (no qemu command line)
* implicit USB controller on 0:0:1.2 (-usb)
*
* If the machine does have a PCI bus, they will get reserved
* in qemuAssignDevicePCISlots().
*/
/* These are the IDE and USB controllers in the PIIX3, hardcoded
* to bus 0 slot 1. They cannot be attached to a PCIe slot, only
* PCI.
*/
if (device->type == VIR_DOMAIN_DEVICE_CONTROLLER && addr->domain == 0 &&
addr->bus == 0 && addr->slot == 1) {
virDomainControllerDefPtr cont = device->data.controller;
if ((cont->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE && cont->idx == 0 &&
addr->function == 1) ||
(cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB && cont->idx == 0 &&
(cont->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI ||
cont->model == -1) && addr->function == 2)) {
/* Note the check for nbuses > 0 - if there are no PCI
* buses, we skip this check. This is a quirk required for
* some machinetypes such as s390, which pretend to have a
* PCI bus for long enough to generate the "-usb" on the
* commandline, but that don't really care if a PCI bus
* actually exists. */
if (addrs->nbuses > 0 &&
!(addrs->buses[0].flags & VIR_PCI_CONNECT_TYPE_PCI)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Bus 0 must be PCI for integrated PIIX3 "
"USB or IDE controllers"));
return -1;
} else {
return 0;
}
}
}
entireSlot = (addr->function == 0 &&
addr->multi != VIR_TRISTATE_SWITCH_ON);
if (virDomainPCIAddressReserveAddr(addrs, addr, flags,
entireSlot, true) < 0)
goto cleanup;
ret = 0;
cleanup:
return ret;
}
static bool
qemuDomainSupportsPCI(virDomainDefPtr def)
{
if ((def->os.arch != VIR_ARCH_ARMV7L) && (def->os.arch != VIR_ARCH_AARCH64))
return true;
if (STREQ(def->os.machine, "versatilepb"))
return true;
return false;
}
static bool
qemuDomainPCIBusFullyReserved(virDomainPCIAddressBusPtr bus)
{
size_t i;
for (i = bus->minSlot; i <= bus->maxSlot; i++)
if (!bus->slots[i])
return false;
return true;
}
int qemuDomainAssignAddresses(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainObjPtr obj)
{
int rc;
rc = qemuDomainAssignVirtioSerialAddresses(def, obj);
if (rc)
return rc;
rc = qemuDomainAssignSpaprVIOAddresses(def, qemuCaps);
if (rc)
return rc;
rc = qemuDomainAssignS390Addresses(def, qemuCaps, obj);
if (rc)
return rc;
rc = qemuDomainAssignARMVirtioMMIOAddresses(def, qemuCaps);
if (rc)
return rc;
return qemuDomainAssignPCIAddresses(def, qemuCaps, obj);
}
virDomainPCIAddressSetPtr
qemuDomainPCIAddressSetCreate(virDomainDefPtr def,
unsigned int nbuses,
bool dryRun)
{
virDomainPCIAddressSetPtr addrs;
size_t i;
if ((addrs = virDomainPCIAddressSetAlloc(nbuses)) == NULL)
return NULL;
addrs->nbuses = nbuses;
addrs->dryRun = dryRun;
/* As a safety measure, set default model='pci-root' for first pci
* controller and 'pci-bridge' for all subsequent. After setting
* those defaults, then scan the config and set the actual model
* for all addrs[idx]->bus that already have a corresponding
* controller in the config.
*
*/
if (nbuses > 0)
virDomainPCIAddressBusSetModel(&addrs->buses[0],
VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT);
for (i = 1; i < nbuses; i++) {
virDomainPCIAddressBusSetModel(&addrs->buses[i],
VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE);
}
for (i = 0; i < def->ncontrollers; i++) {
size_t idx = def->controllers[i]->idx;
if (def->controllers[i]->type != VIR_DOMAIN_CONTROLLER_TYPE_PCI)
continue;
if (idx >= addrs->nbuses) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Inappropriate new pci controller index %zu "
"not found in addrs"), idx);
goto error;
}
if (virDomainPCIAddressBusSetModel(&addrs->buses[idx],
def->controllers[i]->model) < 0)
goto error;
}
if (virDomainDeviceInfoIterate(def, qemuCollectPCIAddress, addrs) < 0)
goto error;
return addrs;
error:
virDomainPCIAddressSetFree(addrs);
return NULL;
}
void
qemuDomainReleaseDeviceAddress(virDomainObjPtr vm,
virDomainDeviceInfoPtr info,
const char *devstr)
{
qemuDomainObjPrivatePtr priv = vm->privateData;
if (!devstr)
devstr = info->alias;
if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW &&
STREQLEN(vm->def->os.machine, "s390-ccw", 8) &&
virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_VIRTIO_CCW) &&
virDomainCCWAddressReleaseAddr(priv->ccwaddrs, info) < 0)
VIR_WARN("Unable to release CCW address on %s",
NULLSTR(devstr));
else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI &&
virQEMUCapsGet(priv->qemuCaps, QEMU_CAPS_DEVICE) &&
virDomainPCIAddressReleaseSlot(priv->pciaddrs,
&info->addr.pci) < 0)
VIR_WARN("Unable to release PCI address on %s",
NULLSTR(devstr));
}
#define IS_USB2_CONTROLLER(ctrl) \
(((ctrl)->type == VIR_DOMAIN_CONTROLLER_TYPE_USB) && \
((ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1 || \
(ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1 || \
(ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2 || \
(ctrl)->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3))
static int
qemuValidateDevicePCISlotsPIIX3(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainPCIAddressSetPtr addrs)
{
int ret = -1;
size_t i;
virDevicePCIAddress tmp_addr;
bool qemuDeviceVideoUsable = virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
char *addrStr = NULL;
virDomainPCIConnectFlags flags = VIR_PCI_CONNECT_HOTPLUGGABLE | VIR_PCI_CONNECT_TYPE_PCI;
/* 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) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Primary IDE controller must have PCI address 0:0:1.1"));
goto cleanup;
}
} 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) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("PIIX3 USB controller must have PCI address 0:0:1.2"));
goto cleanup;
}
} 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
*/
if (addrs->nbuses) {
memset(&tmp_addr, 0, sizeof(tmp_addr));
tmp_addr.slot = 1;
if (virDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0)
goto cleanup;
}
if (def->nvideos > 0) {
/* Because the PIIX3 integrated IDE/USB controllers are
* already at slot 1, when qemu looks for the first free slot
* to place the VGA controller (which is always the first
* device added after integrated devices), it *always* ends up
* at slot 2.
*/
virDomainVideoDefPtr primaryVideo = def->videos[0];
if (primaryVideo->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
memset(&tmp_addr, 0, sizeof(tmp_addr));
tmp_addr.slot = 2;
if (!(addrStr = virDomainPCIAddressAsString(&tmp_addr)))
goto cleanup;
if (!virDomainPCIAddressValidate(addrs, &tmp_addr,
addrStr, flags, false))
goto cleanup;
if (virDomainPCIAddressSlotInUse(addrs, &tmp_addr)) {
if (qemuDeviceVideoUsable) {
if (virDomainPCIAddressReserveNextSlot(addrs,
&primaryVideo->info,
flags) < 0)
goto cleanup;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("PCI address 0:0:2.0 is in use, "
"QEMU needs it for primary video"));
goto cleanup;
}
} else {
if (virDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0)
goto cleanup;
primaryVideo->info.addr.pci = tmp_addr;
primaryVideo->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
}
} else if (!qemuDeviceVideoUsable) {
if (primaryVideo->info.addr.pci.domain != 0 ||
primaryVideo->info.addr.pci.bus != 0 ||
primaryVideo->info.addr.pci.slot != 2 ||
primaryVideo->info.addr.pci.function != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Primary video card must have PCI address 0:0:2.0"));
goto cleanup;
}
/* If TYPE == PCI, then qemuCollectPCIAddress() function
* has already reserved the address, so we must skip */
}
} else if (addrs->nbuses && !qemuDeviceVideoUsable) {
memset(&tmp_addr, 0, sizeof(tmp_addr));
tmp_addr.slot = 2;
if (virDomainPCIAddressSlotInUse(addrs, &tmp_addr)) {
VIR_DEBUG("PCI address 0:0:2.0 in use, future addition of a video"
" device will not be possible without manual"
" intervention");
} else if (virDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0) {
goto cleanup;
}
}
ret = 0;
cleanup:
VIR_FREE(addrStr);
return ret;
}
static int
qemuDomainValidateDevicePCISlotsQ35(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainPCIAddressSetPtr addrs)
{
int ret = -1;
size_t i;
virDevicePCIAddress tmp_addr;
bool qemuDeviceVideoUsable = virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
char *addrStr = NULL;
virDomainPCIConnectFlags flags = VIR_PCI_CONNECT_TYPE_PCIE;
for (i = 0; i < def->ncontrollers; i++) {
switch (def->controllers[i]->type) {
case VIR_DOMAIN_CONTROLLER_TYPE_SATA:
/* Verify that the first SATA controller is at 00:1F.2 the
* q35 machine type *always* has a SATA controller at this
* address.
*/
if (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 != 0x1F ||
def->controllers[i]->info.addr.pci.function != 2) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Primary SATA controller must have PCI address 0:0:1f.2"));
goto cleanup;
}
} 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 = 0x1F;
def->controllers[i]->info.addr.pci.function = 2;
}
}
break;
case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
if (def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE &&
def->controllers[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
/* Try to assign this bridge to 00:1E.0 (because that
* is its standard location on real hardware) unless
* it's already taken, but don't insist on it.
*/
memset(&tmp_addr, 0, sizeof(tmp_addr));
tmp_addr.slot = 0x1E;
if (!virDomainPCIAddressSlotInUse(addrs, &tmp_addr)) {
if (virDomainPCIAddressReserveAddr(addrs, &tmp_addr,
flags, true, false) < 0)
goto cleanup;
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 = 0x1E;
def->controllers[i]->info.addr.pci.function = 0;
}
}
break;
}
}
/* Reserve slot 0x1F function 0 (ISA bridge, not in config model)
* and function 3 (SMBus, also not (yet) in config model). As with
* the SATA controller, these devices are always present in a q35
* machine; there is no way to not have them.
*/
if (addrs->nbuses) {
memset(&tmp_addr, 0, sizeof(tmp_addr));
tmp_addr.slot = 0x1F;
tmp_addr.function = 0;
tmp_addr.multi = 1;
if (virDomainPCIAddressReserveAddr(addrs, &tmp_addr, flags,
false, false) < 0)
goto cleanup;
tmp_addr.function = 3;
tmp_addr.multi = 0;
if (virDomainPCIAddressReserveAddr(addrs, &tmp_addr, flags,
false, false) < 0)
goto cleanup;
}
if (def->nvideos > 0) {
/* NB: unlike the pc machinetypes, on q35 machinetypes the
* integrated devices are at slot 0x1f, so when qemu looks for
* the first free lot for the first VGA, it will always be at
* slot 1 (which was used up by the integrated PIIX3 devices
* on pc machinetypes).
*/
virDomainVideoDefPtr primaryVideo = def->videos[0];
if (primaryVideo->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
memset(&tmp_addr, 0, sizeof(tmp_addr));
tmp_addr.slot = 1;
if (!(addrStr = virDomainPCIAddressAsString(&tmp_addr)))
goto cleanup;
if (!virDomainPCIAddressValidate(addrs, &tmp_addr,
addrStr, flags, false))
goto cleanup;
if (virDomainPCIAddressSlotInUse(addrs, &tmp_addr)) {
if (qemuDeviceVideoUsable) {
if (virDomainPCIAddressReserveNextSlot(addrs,
&primaryVideo->info,
flags) < 0)
goto cleanup;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("PCI address 0:0:1.0 is in use, "
"QEMU needs it for primary video"));
goto cleanup;
}
} else {
if (virDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0)
goto cleanup;
primaryVideo->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
primaryVideo->info.addr.pci = tmp_addr;
}
} else if (!qemuDeviceVideoUsable) {
if (primaryVideo->info.addr.pci.domain != 0 ||
primaryVideo->info.addr.pci.bus != 0 ||
primaryVideo->info.addr.pci.slot != 1 ||
primaryVideo->info.addr.pci.function != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("Primary video card must have PCI address 0:0:1.0"));
goto cleanup;
}
/* If TYPE == PCI, then qemuCollectPCIAddress() function
* has already reserved the address, so we must skip */
}
} else if (addrs->nbuses && !qemuDeviceVideoUsable) {
memset(&tmp_addr, 0, sizeof(tmp_addr));
tmp_addr.slot = 1;
if (virDomainPCIAddressSlotInUse(addrs, &tmp_addr)) {
VIR_DEBUG("PCI address 0:0:1.0 in use, future addition of a video"
" device will not be possible without manual"
" intervention");
virResetLastError();
} else if (virDomainPCIAddressReserveSlot(addrs, &tmp_addr, flags) < 0) {
goto cleanup;
}
}
ret = 0;
cleanup:
VIR_FREE(addrStr);
return ret;
}
static int
qemuValidateDevicePCISlotsChipsets(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainPCIAddressSetPtr addrs)
{
if (qemuDomainMachineIsI440FX(def) &&
qemuValidateDevicePCISlotsPIIX3(def, qemuCaps, addrs) < 0) {
return -1;
}
if (qemuDomainMachineIsQ35(def) &&
qemuDomainValidateDevicePCISlotsQ35(def, qemuCaps, addrs) < 0) {
return -1;
}
return 0;
}
int
qemuDomainAssignPCIAddresses(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainObjPtr obj)
{
int ret = -1;
virDomainPCIAddressSetPtr addrs = NULL;
qemuDomainObjPrivatePtr priv = NULL;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
int max_idx = -1;
int nbuses = 0;
size_t i;
int rv;
bool buses_reserved = true;
virDomainPCIConnectFlags flags = VIR_PCI_CONNECT_TYPE_PCI;
for (i = 0; i < def->ncontrollers; i++) {
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) {
if ((int) def->controllers[i]->idx > max_idx)
max_idx = def->controllers[i]->idx;
}
}
nbuses = max_idx + 1;
if (nbuses > 0 &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PCI_BRIDGE)) {
virDomainDeviceInfo info;
/* 1st pass to figure out how many PCI bridges we need */
if (!(addrs = qemuDomainPCIAddressSetCreate(def, nbuses, true)))
goto cleanup;
if (qemuValidateDevicePCISlotsChipsets(def, qemuCaps, addrs) < 0)
goto cleanup;
for (i = 0; i < addrs->nbuses; i++) {
if (!qemuDomainPCIBusFullyReserved(&addrs->buses[i]))
buses_reserved = false;
}
/* Reserve 1 extra slot for a (potential) bridge only if buses
* are not fully reserved yet
*/
if (!buses_reserved &&
virDomainPCIAddressReserveNextSlot(addrs, &info, flags) < 0)
goto cleanup;
if (qemuAssignDevicePCISlots(def, addrs) < 0)
goto cleanup;
for (i = 1; i < addrs->nbuses; i++) {
virDomainPCIAddressBusPtr bus = &addrs->buses[i];
if ((rv = virDomainDefMaybeAddController(
def, VIR_DOMAIN_CONTROLLER_TYPE_PCI,
i, bus->model)) < 0)
goto cleanup;
/* If we added a new bridge, we will need one more address */
if (rv > 0 &&
virDomainPCIAddressReserveNextSlot(addrs, &info, flags) < 0)
goto cleanup;
}
nbuses = addrs->nbuses;
virDomainPCIAddressSetFree(addrs);
addrs = NULL;
} else if (max_idx > 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("PCI bridges are not supported "
"by this QEMU binary"));
goto cleanup;
}
if (!(addrs = qemuDomainPCIAddressSetCreate(def, nbuses, false)))
goto cleanup;
if (qemuDomainSupportsPCI(def)) {
if (qemuValidateDevicePCISlotsChipsets(def, qemuCaps, addrs) < 0)
goto cleanup;
if (qemuAssignDevicePCISlots(def, addrs) < 0)
goto cleanup;
for (i = 0; i < def->ncontrollers; i++) {
/* check if every PCI bridge controller's ID is greater than
* the bus it is placed onto
*/
virDomainControllerDefPtr cont = def->controllers[i];
int idx = cont->idx;
int bus = cont->info.addr.pci.bus;
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE &&
idx <= bus) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("failed to create PCI bridge "
"on bus %d: too many devices with fixed "
"addresses"),
bus);
goto cleanup;
}
}
}
}
if (obj && obj->privateData) {
priv = obj->privateData;
if (addrs) {
/* if this is the live domain object, we persist the PCI addresses*/
virDomainPCIAddressSetFree(priv->pciaddrs);
priv->persistentAddrs = 1;
priv->pciaddrs = addrs;
addrs = NULL;
} else {
priv->persistentAddrs = 0;
}
}
ret = 0;
cleanup:
virDomainPCIAddressSetFree(addrs);
return ret;
}
/*
* 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)
*
* - These integrated devices were already added by
* qemuValidateDevicePCISlotsChipsets invoked right before this function
*
* Incrementally assign slots from 3 onwards:
*
* - Net
* - Sound
* - SCSI controllers
* - VirtIO block
* - VirtIO balloon
* - Host device passthrough
* - Watchdog
* - pci serial devices
*
* 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,
virDomainPCIAddressSetPtr addrs)
{
size_t i, j;
virDomainPCIConnectFlags flags;
virDevicePCIAddress tmp_addr;
/* PCI controllers */
for (i = 0; i < def->ncontrollers; i++) {
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI) {
if (def->controllers[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
switch (def->controllers[i]->model) {
case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
/* pci-root and pcie-root are implicit in the machine,
* and needs no address */
continue;
case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
/* pci-bridge doesn't require hot-plug
* (although it does provide hot-plug in its slots)
*/
flags = VIR_PCI_CONNECT_TYPE_PCI;
break;
case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
/* dmi-to-pci-bridge requires a non-hotplug PCIe
* slot
*/
flags = VIR_PCI_CONNECT_TYPE_PCIE;
break;
default:
flags = VIR_PCI_CONNECT_HOTPLUGGABLE | VIR_PCI_CONNECT_TYPE_PCI;
break;
}
if (virDomainPCIAddressReserveNextSlot(addrs,
&def->controllers[i]->info,
flags) < 0)
goto error;
}
}
flags = VIR_PCI_CONNECT_HOTPLUGGABLE | VIR_PCI_CONNECT_TYPE_PCI;
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 (virDomainPCIAddressReserveNextSlot(addrs, &def->fss[i]->info,
flags) < 0)
goto error;
}
/* Network interfaces */
for (i = 0; i < def->nnets; i++) {
/* type='hostdev' network devices might be USB, and are also
* in hostdevs list anyway, so handle them with other hostdevs
* instead of here.
*/
if ((def->nets[i]->type == VIR_DOMAIN_NET_TYPE_HOSTDEV) ||
(def->nets[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)) {
continue;
}
if (virDomainPCIAddressReserveNextSlot(addrs, &def->nets[i]->info,
flags) < 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, PCSPK and usb-audio */
if (def->sounds[i]->model == VIR_DOMAIN_SOUND_MODEL_SB16 ||
def->sounds[i]->model == VIR_DOMAIN_SOUND_MODEL_PCSPK ||
def->sounds[i]->model == VIR_DOMAIN_SOUND_MODEL_USB)
continue;
if (virDomainPCIAddressReserveNextSlot(addrs, &def->sounds[i]->info,
flags) < 0)
goto error;
}
/* Device controllers (SCSI, USB, but not IDE, FDC or CCID) */
for (i = 0; i < def->ncontrollers; i++) {
/* PCI controllers have been dealt with earlier */
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI)
continue;
/* USB controller model 'none' doesn't need a PCI address */
if (def->controllers[i]->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
def->controllers[i]->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_NONE)
continue;
/* 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;
/* USB2 needs special handling to put all companions in the same slot */
if (IS_USB2_CONTROLLER(def->controllers[i])) {
virDevicePCIAddress addr = { 0, 0, 0, 0, false };
memset(&tmp_addr, 0, sizeof(tmp_addr));
for (j = 0; j < i; j++) {
if (IS_USB2_CONTROLLER(def->controllers[j]) &&
def->controllers[j]->idx == def->controllers[i]->idx) {
addr = def->controllers[j]->info.addr.pci;
break;
}
}
switch (def->controllers[i]->model) {
case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_EHCI1:
addr.function = 7;
break;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI1:
addr.function = 0;
addr.multi = VIR_TRISTATE_SWITCH_ON;
break;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI2:
addr.function = 1;
break;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_ICH9_UHCI3:
addr.function = 2;
break;
}
if (addr.slot == 0) {
/* This is the first part of the controller, so need
* to find a free slot & then reserve a function */
if (virDomainPCIAddressGetNextSlot(addrs, &tmp_addr, flags) < 0)
goto error;
addr.bus = tmp_addr.bus;
addr.slot = tmp_addr.slot;
addrs->lastaddr = addr;
addrs->lastaddr.function = 0;
addrs->lastaddr.multi = 0;
}
/* Finally we can reserve the slot+function */
if (virDomainPCIAddressReserveAddr(addrs, &addr, flags,
false, false) < 0)
goto error;
def->controllers[i]->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI;
def->controllers[i]->info.addr.pci = addr;
} else {
if (virDomainPCIAddressReserveNextSlot(addrs,
&def->controllers[i]->info,
flags) < 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;
/* don't touch s390 devices */
if (def->disks[i]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI ||
def->disks[i]->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390 ||
def->disks[i]->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW)
continue;
if (def->disks[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("virtio disk cannot have an address of type '%s'"),
virDomainDeviceAddressTypeToString(def->disks[i]->info.type));
goto error;
}
if (virDomainPCIAddressReserveNextSlot(addrs, &def->disks[i]->info,
flags) < 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 (virDomainPCIAddressReserveNextSlot(addrs,
def->hostdevs[i]->info,
flags) < 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 (virDomainPCIAddressReserveNextSlot(addrs,
&def->memballoon->info,
flags) < 0)
goto error;
}
/* VirtIO RNG */
for (i = 0; i < def->nrngs; i++) {
if (def->rngs[i]->model != VIR_DOMAIN_RNG_MODEL_VIRTIO ||
def->rngs[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
if (virDomainPCIAddressReserveNextSlot(addrs,
&def->rngs[i]->info, flags) < 0)
goto error;
}
/* A watchdog - check if it is a PCI device */
if (def->watchdog &&
def->watchdog->model == VIR_DOMAIN_WATCHDOG_MODEL_I6300ESB &&
def->watchdog->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
if (virDomainPCIAddressReserveNextSlot(addrs, &def->watchdog->info,
flags) < 0)
goto error;
}
/* Assign a PCI slot to the primary video card if there is not an
* assigned address. */
if (def->nvideos > 0 &&
def->videos[0]->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
if (virDomainPCIAddressReserveNextSlot(addrs, &def->videos[0]->info,
flags) < 0)
goto error;
}
/* Further non-primary video cards which have to be qxl type */
for (i = 1; i < def->nvideos; i++) {
if (def->videos[i]->type != VIR_DOMAIN_VIDEO_TYPE_QXL) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("non-primary video device must be type of 'qxl'"));
goto error;
}
if (def->videos[i]->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
if (virDomainPCIAddressReserveNextSlot(addrs, &def->videos[i]->info,
flags) < 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++) {
virDomainChrDefPtr chr = def->serials[i];
if (chr->targetType != VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_PCI)
continue;
if (chr->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE)
continue;
if (virDomainPCIAddressReserveNextSlot(addrs, &chr->info, flags) < 0)
goto error;
}
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 int
qemuBuildDeviceAddressStr(virBufferPtr buf,
virDomainDefPtr domainDef,
virDomainDeviceInfoPtr info,
virQEMUCapsPtr qemuCaps)
{
int ret = -1;
char *devStr = NULL;
const char *contAlias = NULL;
if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
size_t i;
if (!(devStr = virDomainPCIAddressAsString(&info->addr.pci)))
goto cleanup;
for (i = 0; i < domainDef->ncontrollers; i++) {
virDomainControllerDefPtr cont = domainDef->controllers[i];
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
cont->idx == info->addr.pci.bus) {
contAlias = cont->info.alias;
if (!contAlias) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Device alias was not set for PCI "
"controller with index %u required "
"for device at address %s"),
info->addr.pci.bus, devStr);
goto cleanup;
}
break;
}
}
if (!contAlias) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Could not find PCI "
"controller with index %u required "
"for device at address %s"),
info->addr.pci.bus, devStr);
goto cleanup;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_MULTIFUNCTION)) {
if (info->addr.pci.function != 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Only PCI device addresses with function=0 "
"are supported with this QEMU binary"));
goto cleanup;
}
if (info->addr.pci.multi == VIR_TRISTATE_SWITCH_ON) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'multifunction=on' is not supported with "
"this QEMU binary"));
goto cleanup;
}
}
if (info->addr.pci.bus != 0 &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PCI_BRIDGE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Multiple PCI buses are not supported "
"with this QEMU binary"));
goto cleanup;
}
virBufferAsprintf(buf, ",bus=%s", contAlias);
if (info->addr.pci.multi == VIR_TRISTATE_SWITCH_ON)
virBufferAddLit(buf, ",multifunction=on");
else if (info->addr.pci.multi == VIR_TRISTATE_SWITCH_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) {
if (!(contAlias = virDomainControllerAliasFind(domainDef,
VIR_DOMAIN_CONTROLLER_TYPE_USB,
info->addr.usb.bus)))
goto cleanup;
virBufferAsprintf(buf, ",bus=%s.0,port=%s", contAlias, info->addr.usb.port);
} else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO) {
if (info->addr.spaprvio.has_reg)
virBufferAsprintf(buf, ",reg=0x%llx", info->addr.spaprvio.reg);
} else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
if (info->addr.ccw.assigned)
virBufferAsprintf(buf, ",devno=%x.%x.%04x",
info->addr.ccw.cssid,
info->addr.ccw.ssid,
info->addr.ccw.devno);
} else if (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_ISA) {
virBufferAsprintf(buf, ",iobase=0x%x,irq=0x%x",
info->addr.isa.iobase,
info->addr.isa.irq);
}
ret = 0;
cleanup:
VIR_FREE(devStr);
return ret;
}
static int
qemuBuildRomStr(virBufferPtr buf,
virDomainDeviceInfoPtr info,
virQEMUCapsPtr qemuCaps)
{
if (info->rombar || info->romfile) {
if (info->type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("rombar and romfile are supported only for PCI devices"));
return -1;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_ROMBAR)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("rombar and romfile not supported in this QEMU binary"));
return -1;
}
switch (info->rombar) {
case VIR_TRISTATE_SWITCH_OFF:
virBufferAddLit(buf, ",rombar=0");
break;
case VIR_TRISTATE_SWITCH_ON:
virBufferAddLit(buf, ",rombar=1");
break;
default:
break;
}
if (info->romfile)
virBufferAsprintf(buf, ",romfile=%s", info->romfile);
}
return 0;
}
static int
qemuBuildIoEventFdStr(virBufferPtr buf,
virTristateSwitch use,
virQEMUCapsPtr qemuCaps)
{
if (use && virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_IOEVENTFD))
virBufferAsprintf(buf, ",ioeventfd=%s",
virTristateSwitchTypeToString(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)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("driver serial '%s' contains unsafe characters"),
value);
return -1;
}
return 0;
}
static char *
qemuGetSecretString(virConnectPtr conn,
const char *scheme,
bool encoded,
virStorageAuthDefPtr authdef,
virSecretUsageType secretUsageType)
{
size_t secret_size;
virSecretPtr sec = NULL;
char *secret = NULL;
char uuidStr[VIR_UUID_STRING_BUFLEN];
/* look up secret */
switch (authdef->secretType) {
case VIR_STORAGE_SECRET_TYPE_UUID:
sec = virSecretLookupByUUID(conn, authdef->secret.uuid);
virUUIDFormat(authdef->secret.uuid, uuidStr);
break;
case VIR_STORAGE_SECRET_TYPE_USAGE:
sec = virSecretLookupByUsage(conn, secretUsageType,
authdef->secret.usage);
break;
}
if (!sec) {
if (authdef->secretType == VIR_STORAGE_SECRET_TYPE_UUID) {
virReportError(VIR_ERR_NO_SECRET,
_("%s no secret matches uuid '%s'"),
scheme, uuidStr);
} else {
virReportError(VIR_ERR_NO_SECRET,
_("%s no secret matches usage value '%s'"),
scheme, authdef->secret.usage);
}
goto cleanup;
}
secret = (char *)conn->secretDriver->secretGetValue(sec, &secret_size, 0,
VIR_SECRET_GET_VALUE_INTERNAL_CALL);
if (!secret) {
if (authdef->secretType == VIR_STORAGE_SECRET_TYPE_UUID) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("could not get value of the secret for "
"username '%s' using uuid '%s'"),
authdef->username, uuidStr);
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("could not get value of the secret for "
"username '%s' using usage value '%s'"),
authdef->username, authdef->secret.usage);
}
goto cleanup;
}
if (encoded) {
char *base64 = NULL;
base64_encode_alloc(secret, secret_size, &base64);
VIR_FREE(secret);
if (!base64) {
virReportOOMError();
goto cleanup;
}
secret = base64;
}
cleanup:
virObjectUnref(sec);
return secret;
}
static int
qemuParseRBDString(virDomainDiskDefPtr disk)
{
char *source = disk->src->path;
int ret;
disk->src->path = NULL;
ret = virStorageSourceParseRBDColonString(source, disk->src);
VIR_FREE(source);
return ret;
}
static int
qemuParseDriveURIString(virDomainDiskDefPtr def, virURIPtr uri,
const char *scheme)
{
int ret = -1;
char *transp = NULL;
char *sock = NULL;
char *volimg = NULL;
char *secret = NULL;
virStorageAuthDefPtr authdef = NULL;
if (VIR_ALLOC(def->src->hosts) < 0)
goto error;
transp = strchr(uri->scheme, '+');
if (transp)
*transp++ = 0;
if (!STREQ(uri->scheme, scheme)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Invalid transport/scheme '%s'"), uri->scheme);
goto error;
}
if (!transp) {
def->src->hosts->transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
} else {
def->src->hosts->transport = virStorageNetHostTransportTypeFromString(transp);
if (def->src->hosts->transport < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Invalid %s transport type '%s'"), scheme, transp);
goto error;
}
}
def->src->nhosts = 0; /* set to 1 once everything succeeds */
if (def->src->hosts->transport != VIR_STORAGE_NET_HOST_TRANS_UNIX) {
if (VIR_STRDUP(def->src->hosts->name, uri->server) < 0)
goto error;
if (virAsprintf(&def->src->hosts->port, "%d", uri->port) < 0)
goto error;
} else {
def->src->hosts->name = NULL;
def->src->hosts->port = 0;
if (uri->query) {
if (STRPREFIX(uri->query, "socket=")) {
sock = strchr(uri->query, '=') + 1;
if (VIR_STRDUP(def->src->hosts->socket, sock) < 0)
goto error;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Invalid query parameter '%s'"), uri->query);
goto error;
}
}
}
if (uri->path) {
volimg = uri->path + 1; /* skip the prefix slash */
VIR_FREE(def->src->path);
if (VIR_STRDUP(def->src->path, volimg) < 0)
goto error;
} else {
VIR_FREE(def->src->path);
}
if (uri->user) {
const char *secrettype;
/* formulate authdef for disk->src->auth */
if (VIR_ALLOC(authdef) < 0)
goto error;
secret = strchr(uri->user, ':');
if (secret)
*secret = '\0';
if (VIR_STRDUP(authdef->username, uri->user) < 0)
goto error;
if (STREQ(scheme, "iscsi")) {
secrettype =
virSecretUsageTypeToString(VIR_SECRET_USAGE_TYPE_ISCSI);
if (VIR_STRDUP(authdef->secrettype, secrettype) < 0)
goto error;
}
def->src->auth = authdef;
authdef = NULL;
/* Cannot formulate a secretType (eg, usage or uuid) given
* what is provided.
*/
}
def->src->nhosts = 1;
ret = 0;
cleanup:
virURIFree(uri);
return ret;
error:
virStorageNetHostDefClear(def->src->hosts);
VIR_FREE(def->src->hosts);
virStorageAuthDefFree(authdef);
goto cleanup;
}
static int
qemuParseGlusterString(virDomainDiskDefPtr def)
{
virURIPtr uri = NULL;
if (!(uri = virURIParse(def->src->path)))
return -1;
return qemuParseDriveURIString(def, uri, "gluster");
}
static int
qemuParseISCSIString(virDomainDiskDefPtr def)
{
virURIPtr uri = NULL;
char *slash;
unsigned lun;
if (!(uri = virURIParse(def->src->path)))
return -1;
if (uri->path &&
(slash = strchr(uri->path + 1, '/')) != NULL) {
if (slash[1] == '\0') {
*slash = '\0';
} else if (virStrToLong_ui(slash + 1, NULL, 10, &lun) == -1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid name '%s' for iSCSI disk"),
def->src->path);
virURIFree(uri);
return -1;
}
}
return qemuParseDriveURIString(def, uri, "iscsi");
}
static int
qemuParseNBDString(virDomainDiskDefPtr disk)
{
virStorageNetHostDefPtr h = NULL;
char *host, *port;
char *src;
virURIPtr uri = NULL;
if (strstr(disk->src->path, "://")) {
if (!(uri = virURIParse(disk->src->path)))
return -1;
return qemuParseDriveURIString(disk, uri, "nbd");
}
if (VIR_ALLOC(h) < 0)
goto error;
host = disk->src->path + strlen("nbd:");
if (STRPREFIX(host, "unix:/")) {
src = strchr(host + strlen("unix:"), ':');
if (src)
*src++ = '\0';
h->transport = VIR_STORAGE_NET_HOST_TRANS_UNIX;
if (VIR_STRDUP(h->socket, host + strlen("unix:")) < 0)
goto error;
} else {
port = strchr(host, ':');
if (!port) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse nbd filename '%s'"), disk->src->path);
goto error;
}
*port++ = '\0';
if (VIR_STRDUP(h->name, host) < 0)
goto error;
src = strchr(port, ':');
if (src)
*src++ = '\0';
if (VIR_STRDUP(h->port, port) < 0)
goto error;
}
if (src && STRPREFIX(src, "exportname=")) {
if (VIR_STRDUP(src, strchr(src, '=') + 1) < 0)
goto error;
} else {
src = NULL;
}
VIR_FREE(disk->src->path);
disk->src->path = src;
disk->src->nhosts = 1;
disk->src->hosts = h;
return 0;
error:
virStorageNetHostDefClear(h);
VIR_FREE(h);
return -1;
}
static int
qemuNetworkDriveGetPort(int protocol,
const char *port)
{
int ret = 0;
if (port) {
if (virStrToLong_i(port, NULL, 10, &ret) < 0 || ret < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("failed to parse port number '%s'"),
port);
return -1;
}
return ret;
}
switch ((virStorageNetProtocol) protocol) {
case VIR_STORAGE_NET_PROTOCOL_HTTP:
return 80;
case VIR_STORAGE_NET_PROTOCOL_HTTPS:
return 443;
case VIR_STORAGE_NET_PROTOCOL_FTP:
return 21;
case VIR_STORAGE_NET_PROTOCOL_FTPS:
return 990;
case VIR_STORAGE_NET_PROTOCOL_TFTP:
return 69;
case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
return 7000;
case VIR_STORAGE_NET_PROTOCOL_NBD:
return 10809;
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
/* no default port specified */
return 0;
case VIR_STORAGE_NET_PROTOCOL_RBD:
case VIR_STORAGE_NET_PROTOCOL_LAST:
case VIR_STORAGE_NET_PROTOCOL_NONE:
/* not applicable */
return -1;
}
return -1;
}
#define QEMU_DEFAULT_NBD_PORT "10809"
static char *
qemuBuildNetworkDriveURI(virStorageSourcePtr src,
const char *username,
const char *secret)
{
char *ret = NULL;
virBuffer buf = VIR_BUFFER_INITIALIZER;
virURIPtr uri = NULL;
size_t i;
switch ((virStorageNetProtocol) src->protocol) {
case VIR_STORAGE_NET_PROTOCOL_NBD:
if (src->nhosts != 1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("protocol '%s' accepts only one host"),
virStorageNetProtocolTypeToString(src->protocol));
goto cleanup;
}
if (!((src->hosts->name && strchr(src->hosts->name, ':')) ||
(src->hosts->transport == VIR_STORAGE_NET_HOST_TRANS_TCP &&
!src->hosts->name) ||
(src->hosts->transport == VIR_STORAGE_NET_HOST_TRANS_UNIX &&
src->hosts->socket &&
src->hosts->socket[0] != '/'))) {
virBufferAddLit(&buf, "nbd:");
switch (src->hosts->transport) {
case VIR_STORAGE_NET_HOST_TRANS_TCP:
virBufferStrcat(&buf, src->hosts->name, NULL);
virBufferAsprintf(&buf, ":%s",
src->hosts->port ? src->hosts->port :
QEMU_DEFAULT_NBD_PORT);
break;
case VIR_STORAGE_NET_HOST_TRANS_UNIX:
if (!src->hosts->socket) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("socket attribute required for "
"unix transport"));
goto cleanup;
}
virBufferAsprintf(&buf, "unix:%s", src->hosts->socket);
break;
default:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("nbd does not support transport '%s'"),
virStorageNetHostTransportTypeToString(src->hosts->transport));
goto cleanup;
}
if (src->path)
virBufferAsprintf(&buf, ":exportname=%s", src->path);
if (virBufferCheckError(&buf) < 0)
goto cleanup;
ret = virBufferContentAndReset(&buf);
goto cleanup;
}
/* fallthrough */
/* NBD code uses same formatting scheme as others in some cases */
case VIR_STORAGE_NET_PROTOCOL_HTTP:
case VIR_STORAGE_NET_PROTOCOL_HTTPS:
case VIR_STORAGE_NET_PROTOCOL_FTP:
case VIR_STORAGE_NET_PROTOCOL_FTPS:
case VIR_STORAGE_NET_PROTOCOL_TFTP:
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
if (src->nhosts != 1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("protocol '%s' accepts only one host"),
virStorageNetProtocolTypeToString(src->protocol));
goto cleanup;
}
if (VIR_ALLOC(uri) < 0)
goto cleanup;
if (src->hosts->transport == VIR_STORAGE_NET_HOST_TRANS_TCP) {
if (VIR_STRDUP(uri->scheme,
virStorageNetProtocolTypeToString(src->protocol)) < 0)
goto cleanup;
} else {
if (virAsprintf(&uri->scheme, "%s+%s",
virStorageNetProtocolTypeToString(src->protocol),
virStorageNetHostTransportTypeToString(src->hosts->transport)) < 0)
goto cleanup;
}
if ((uri->port = qemuNetworkDriveGetPort(src->protocol, src->hosts->port)) < 0)
goto cleanup;
if (src->path) {
if (src->volume) {
if (virAsprintf(&uri->path, "/%s%s",
src->volume, src->path) < 0)
goto cleanup;
} else {
if (virAsprintf(&uri->path, "%s%s",
src->path[0] == '/' ? "" : "/",
src->path) < 0)
goto cleanup;
}
}
if (src->hosts->socket &&
virAsprintf(&uri->query, "socket=%s", src->hosts->socket) < 0)
goto cleanup;
if (username) {
if (secret) {
if (virAsprintf(&uri->user, "%s:%s", username, secret) < 0)
goto cleanup;
} else {
if (VIR_STRDUP(uri->user, username) < 0)
goto cleanup;
}
}
if (VIR_STRDUP(uri->server, src->hosts->name) < 0)
goto cleanup;
ret = virURIFormat(uri);
break;
case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
if (!src->path) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("missing disk source for 'sheepdog' protocol"));
goto cleanup;
}
if (src->nhosts == 0) {
if (virAsprintf(&ret, "sheepdog:%s", src->path) < 0)
goto cleanup;
} else if (src->nhosts == 1) {
if (virAsprintf(&ret, "sheepdog:%s:%s:%s",
src->hosts->name,
src->hosts->port ? src->hosts->port : "7000",
src->path) < 0)
goto cleanup;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("protocol 'sheepdog' accepts up to one host"));
goto cleanup;
}
break;
case VIR_STORAGE_NET_PROTOCOL_RBD:
if (strchr(src->path, ':')) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("':' not allowed in RBD source volume name '%s'"),
src->path);
goto cleanup;
}
virBufferStrcat(&buf, "rbd:", src->path, NULL);
if (src->snapshot)
virBufferEscape(&buf, '\\', ":", "@%s", src->snapshot);
if (username) {
virBufferEscape(&buf, '\\', ":", ":id=%s", username);
virBufferEscape(&buf, '\\', ":",
":key=%s:auth_supported=cephx\\;none",
secret);
} else {
virBufferAddLit(&buf, ":auth_supported=none");
}
if (src->nhosts > 0) {
virBufferAddLit(&buf, ":mon_host=");
for (i = 0; i < src->nhosts; i++) {
if (i)
virBufferAddLit(&buf, "\\;");
/* assume host containing : is ipv6 */
if (strchr(src->hosts[i].name, ':'))
virBufferEscape(&buf, '\\', ":", "[%s]",
src->hosts[i].name);
else
virBufferAsprintf(&buf, "%s", src->hosts[i].name);
if (src->hosts[i].port)
virBufferAsprintf(&buf, "\\:%s", src->hosts[i].port);
}
}
if (src->configFile)
virBufferEscape(&buf, '\\', ":", ":conf=%s", src->configFile);
if (virBufferCheckError(&buf) < 0)
goto cleanup;
ret = virBufferContentAndReset(&buf);
break;
case VIR_STORAGE_NET_PROTOCOL_LAST:
case VIR_STORAGE_NET_PROTOCOL_NONE:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unexpected network protocol '%s'"),
virStorageNetProtocolTypeToString(src->protocol));
goto cleanup;
}
cleanup:
virBufferFreeAndReset(&buf);
virURIFree(uri);
return ret;
}
int
qemuGetDriveSourceString(virStorageSourcePtr src,
virConnectPtr conn,
char **source)
{
int actualType = virStorageSourceGetActualType(src);
char *secret = NULL;
char *username = NULL;
int ret = -1;
*source = NULL;
/* return 1 for empty sources */
if (virStorageSourceIsEmpty(src))
return 1;
if (conn) {
if (actualType == VIR_STORAGE_TYPE_NETWORK &&
src->auth &&
(src->protocol == VIR_STORAGE_NET_PROTOCOL_ISCSI ||
src->protocol == VIR_STORAGE_NET_PROTOCOL_RBD)) {
bool encode = false;
int secretType = VIR_SECRET_USAGE_TYPE_ISCSI;
const char *protocol = virStorageNetProtocolTypeToString(src->protocol);
username = src->auth->username;
if (src->protocol == VIR_STORAGE_NET_PROTOCOL_RBD) {
/* qemu requires the secret to be encoded for RBD */
encode = true;
secretType = VIR_SECRET_USAGE_TYPE_CEPH;
}
if (!(secret = qemuGetSecretString(conn,
protocol,
encode,
src->auth,
secretType)))
goto cleanup;
}
}
switch ((virStorageType) actualType) {
case VIR_STORAGE_TYPE_BLOCK:
case VIR_STORAGE_TYPE_FILE:
case VIR_STORAGE_TYPE_DIR:
if (VIR_STRDUP(*source, src->path) < 0)
goto cleanup;
break;
case VIR_STORAGE_TYPE_NETWORK:
if (!(*source = qemuBuildNetworkDriveURI(src, username, secret)))
goto cleanup;
break;
case VIR_STORAGE_TYPE_VOLUME:
case VIR_STORAGE_TYPE_NONE:
case VIR_STORAGE_TYPE_LAST:
break;
}
ret = 0;
cleanup:
VIR_FREE(secret);
return ret;
}
/* Perform disk definition config validity checks */
int
qemuCheckDiskConfig(virDomainDiskDefPtr disk)
{
if (virDiskNameToIndex(disk->dst) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk type '%s'"), disk->dst);
goto error;
}
if (disk->wwn) {
if ((disk->bus != VIR_DOMAIN_DISK_BUS_IDE) &&
(disk->bus != VIR_DOMAIN_DISK_BUS_SCSI)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Only ide and scsi disk support wwn"));
goto error;
}
}
if ((disk->vendor || disk->product) &&
disk->bus != VIR_DOMAIN_DISK_BUS_SCSI) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Only scsi disk supports vendor and product"));
goto error;
}
if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
/* make sure that both the bus supports type='lun' (SG_IO). */
if (disk->bus != VIR_DOMAIN_DISK_BUS_VIRTIO &&
disk->bus != VIR_DOMAIN_DISK_BUS_SCSI) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk device='lun' is not supported for bus='%s'"),
virDomainDiskQEMUBusTypeToString(disk->bus));
goto error;
}
if (disk->src->type == VIR_STORAGE_TYPE_NETWORK) {
if (disk->src->protocol != VIR_STORAGE_NET_PROTOCOL_ISCSI) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("disk device='lun' is not supported "
"for protocol='%s'"),
virStorageNetProtocolTypeToString(disk->src->protocol));
goto error;
}
} else if (!virDomainDiskSourceIsBlockType(disk->src)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk device='lun' is only valid for block "
"type disk source"));
goto error;
}
if (disk->wwn) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Setting wwn is not supported for lun device"));
goto error;
}
if (disk->vendor || disk->product) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Setting vendor or product is not supported "
"for lun device"));
goto error;
}
}
return 0;
error:
return -1;
}
/* Qemu 1.2 and later have a binary flag -enable-fips that must be
* used for VNC auth to obey FIPS settings; but the flag only
* exists on Linux, and with no way to probe for it via QMP. Our
* solution: if FIPS mode is required, then unconditionally use
* the flag, regardless of qemu version, for the following matrix:
*
* old QEMU new QEMU
* FIPS enabled doesn't start VNC auth disabled
* FIPS disabled/missing VNC auth enabled VNC auth enabled
*/
bool
qemuCheckFips(void)
{
bool ret = false;
if (virFileExists("/proc/sys/crypto/fips_enabled")) {
char *buf = NULL;
if (virFileReadAll("/proc/sys/crypto/fips_enabled", 10, &buf) < 0)
return ret;
if (STREQ(buf, "1\n"))
ret = true;
VIR_FREE(buf);
}
return ret;
}
char *
qemuBuildDriveStr(virConnectPtr conn,
virDomainDiskDefPtr disk,
bool bootable,
virQEMUCapsPtr qemuCaps)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *bus = virDomainDiskQEMUBusTypeToString(disk->bus);
const char *trans =
virDomainDiskGeometryTransTypeToString(disk->geometry.trans);
int idx = virDiskNameToIndex(disk->dst);
int busid = -1, unitid = -1;
char *source = NULL;
int actualType = virStorageSourceGetActualType(disk->src);
if (idx < 0) {
virReportError(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) {
virReportError(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) {
virReportError(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) {
virReportError(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) {
virReportError(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) {
virReportError(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) {
virReportError(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) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Only 1 %s bus is supported"), bus);
goto error;
}
if (disk->info.addr.drive.target != 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("target must be 0 for controller fdc"));
goto error;
}
unitid = disk->info.addr.drive.unit;
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
idx = -1;
break;
case VIR_DOMAIN_DISK_BUS_XEN:
case VIR_DOMAIN_DISK_BUS_SD:
/* Xen and SD have no address type currently, so assign
* based on index */
break;
}
if (qemuGetDriveSourceString(disk->src, conn, &source) < 0)
goto error;
if (source &&
!((disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY ||
disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) &&
disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) {
virBufferAddLit(&opt, "file=");
switch (actualType) {
case VIR_STORAGE_TYPE_DIR:
/* QEMU only supports magic FAT format for now */
if (disk->src->format > 0 &&
disk->src->format != VIR_STORAGE_FILE_FAT) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk driver type for '%s'"),
virStorageFileFormatTypeToString(disk->src->format));
goto error;
}
if (!disk->src->readonly) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot create virtual FAT disks in read-write mode"));
goto error;
}
virBufferAddLit(&opt, "fat:");
if (disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY)
virBufferAddLit(&opt, "floppy:");
break;
case VIR_STORAGE_TYPE_BLOCK:
if (disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
disk->src->type == VIR_STORAGE_TYPE_VOLUME ?
_("tray status 'open' is invalid for block type volume") :
_("tray status 'open' is invalid for block type disk"));
goto error;
}
break;
default:
break;
}
virBufferEscape(&opt, ',', ",", "%s,", source);
}
VIR_FREE(source);
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
virBufferAddLit(&opt, "if=none");
else
virBufferAsprintf(&opt, "if=%s", bus);
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) {
if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_CD))
virBufferAddLit(&opt, ",media=cdrom");
} else if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_IDE_CD))
virBufferAddLit(&opt, ",media=cdrom");
} else {
virBufferAddLit(&opt, ",media=cdrom");
}
}
if (virQEMUCapsGet(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 &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_BOOT) &&
(disk->device == VIR_DOMAIN_DISK_DEVICE_DISK ||
disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) &&
disk->bus != VIR_DOMAIN_DISK_BUS_IDE)
virBufferAddLit(&opt, ",boot=on");
if (disk->src->readonly &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_READONLY)) {
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
if (disk->bus == VIR_DOMAIN_DISK_BUS_IDE) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("readonly ide disks are not supported"));
goto error;
}
if (disk->bus == VIR_DOMAIN_DISK_BUS_SATA) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("readonly sata disks are not supported"));
goto error;
}
}
virBufferAddLit(&opt, ",readonly=on");
}
if (disk->transient) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("transient disks not supported yet"));
goto error;
}
if (disk->src->format > 0 &&
disk->src->type != VIR_STORAGE_TYPE_DIR &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_FORMAT))
virBufferAsprintf(&opt, ",format=%s",
virStorageFileFormatTypeToString(disk->src->format));
/* generate geometry command string */
if (disk->geometry.cylinders > 0 &&
disk->geometry.heads > 0 &&
disk->geometry.sectors > 0) {
virBufferAsprintf(&opt, ",cyls=%u,heads=%u,secs=%u",
disk->geometry.cylinders,
disk->geometry.heads,
disk->geometry.sectors);
if (disk->geometry.trans != VIR_DOMAIN_DISK_TRANS_DEFAULT)
virBufferAsprintf(&opt, ",trans=%s", trans);
}
if (disk->serial &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_SERIAL)) {
if (qemuSafeSerialParamValue(disk->serial) < 0)
goto error;
if (disk->bus == VIR_DOMAIN_DISK_BUS_SCSI &&
disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("scsi-block 'lun' devices do not support the "
"serial property"));
goto error;
}
virBufferAddLit(&opt, ",serial=");
virBufferEscape(&opt, '\\', " ", "%s", disk->serial);
}
if (disk->cachemode) {
const char *mode = NULL;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_V2)) {
mode = qemuDiskCacheV2TypeToString(disk->cachemode);
if (disk->cachemode == VIR_DOMAIN_DISK_CACHE_DIRECTSYNC &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_DIRECTSYNC)) {
virReportError(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 &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_CACHE_UNSAFE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk cache mode 'unsafe' is not "
"supported by this QEMU"));
goto error;
}
} else {
mode = qemuDiskCacheV1TypeToString(disk->cachemode);
}
if (disk->iomode == VIR_DOMAIN_DISK_IO_NATIVE &&
disk->cachemode != VIR_DOMAIN_DISK_CACHE_DIRECTSYNC &&
disk->cachemode != VIR_DOMAIN_DISK_CACHE_DISABLE) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("native I/O needs either no disk cache "
"or directsync cache mode, QEMU will fallback "
"to aio=threads"));
goto error;
}
virBufferAsprintf(&opt, ",cache=%s", mode);
} else if (disk->src->shared && !disk->src->readonly) {
virBufferAddLit(&opt, ",cache=off");
}
if (disk->copy_on_read) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_COPY_ON_READ)) {
virBufferAsprintf(&opt, ",copy-on-read=%s",
virTristateSwitchTypeToString(disk->copy_on_read));
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("copy_on_read is not supported by this QEMU binary"));
goto error;
}
}
if (disk->discard) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_DISCARD)) {
virBufferAsprintf(&opt, ",discard=%s",
virDomainDiskDiscardTypeToString(disk->discard));
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("discard is not supported by this QEMU binary"));
goto error;
}
}
if (virQEMUCapsGet(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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_AIO)) {
virBufferAsprintf(&opt, ",aio=%s",
virDomainDiskIoTypeToString(disk->iomode));
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk aio mode not supported with this "
"QEMU binary"));
goto error;
}
}
/* block I/O throttling */
if ((disk->blkdeviotune.total_bytes_sec ||
disk->blkdeviotune.read_bytes_sec ||
disk->blkdeviotune.write_bytes_sec ||
disk->blkdeviotune.total_iops_sec ||
disk->blkdeviotune.read_iops_sec ||
disk->blkdeviotune.write_iops_sec) &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("block I/O throttling not supported with this "
"QEMU binary"));
goto error;
}
/* block I/O throttling 1.7 */
if ((disk->blkdeviotune.total_bytes_sec_max ||
disk->blkdeviotune.read_bytes_sec_max ||
disk->blkdeviotune.write_bytes_sec_max ||
disk->blkdeviotune.total_iops_sec_max ||
disk->blkdeviotune.read_iops_sec_max ||
disk->blkdeviotune.write_iops_sec_max ||
disk->blkdeviotune.size_iops_sec) &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_IOTUNE_MAX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("there are some block I/O throttling parameters "
"that are not supported with this QEMU binary"));
goto error;
}
if (disk->blkdeviotune.total_bytes_sec > LLONG_MAX ||
disk->blkdeviotune.read_bytes_sec > LLONG_MAX ||
disk->blkdeviotune.write_bytes_sec > LLONG_MAX ||
disk->blkdeviotune.total_iops_sec > LLONG_MAX ||
disk->blkdeviotune.read_iops_sec > LLONG_MAX ||
disk->blkdeviotune.write_iops_sec > LLONG_MAX ||
disk->blkdeviotune.total_bytes_sec_max > LLONG_MAX ||
disk->blkdeviotune.read_bytes_sec_max > LLONG_MAX ||
disk->blkdeviotune.write_bytes_sec_max > LLONG_MAX ||
disk->blkdeviotune.total_iops_sec_max > LLONG_MAX ||
disk->blkdeviotune.read_iops_sec_max > LLONG_MAX ||
disk->blkdeviotune.write_iops_sec_max > LLONG_MAX ||
disk->blkdeviotune.size_iops_sec > LLONG_MAX) {
virReportError(VIR_ERR_OVERFLOW,
_("block I/O throttle limit must "
"be less than %llu using QEMU"), LLONG_MAX);
goto error;
}
if (disk->blkdeviotune.total_bytes_sec) {
virBufferAsprintf(&opt, ",bps=%llu",
disk->blkdeviotune.total_bytes_sec);
}
if (disk->blkdeviotune.read_bytes_sec) {
virBufferAsprintf(&opt, ",bps_rd=%llu",
disk->blkdeviotune.read_bytes_sec);
}
if (disk->blkdeviotune.write_bytes_sec) {
virBufferAsprintf(&opt, ",bps_wr=%llu",
disk->blkdeviotune.write_bytes_sec);
}
if (disk->blkdeviotune.total_iops_sec) {
virBufferAsprintf(&opt, ",iops=%llu",
disk->blkdeviotune.total_iops_sec);
}
if (disk->blkdeviotune.read_iops_sec) {
virBufferAsprintf(&opt, ",iops_rd=%llu",
disk->blkdeviotune.read_iops_sec);
}
if (disk->blkdeviotune.write_iops_sec) {
virBufferAsprintf(&opt, ",iops_wr=%llu",
disk->blkdeviotune.write_iops_sec);
}
if (disk->blkdeviotune.total_bytes_sec_max) {
virBufferAsprintf(&opt, ",bps_max=%llu",
disk->blkdeviotune.total_bytes_sec_max);
}
if (disk->blkdeviotune.read_bytes_sec_max) {
virBufferAsprintf(&opt, ",bps_rd_max=%llu",
disk->blkdeviotune.read_bytes_sec_max);
}
if (disk->blkdeviotune.write_bytes_sec_max) {
virBufferAsprintf(&opt, ",bps_wr_max=%llu",
disk->blkdeviotune.write_bytes_sec_max);
}
if (disk->blkdeviotune.total_iops_sec_max) {
virBufferAsprintf(&opt, ",iops_max=%llu",
disk->blkdeviotune.total_iops_sec_max);
}
if (disk->blkdeviotune.read_iops_sec_max) {
virBufferAsprintf(&opt, ",iops_rd_max=%llu",
disk->blkdeviotune.read_iops_sec_max);
}
if (disk->blkdeviotune.write_iops_sec_max) {
virBufferAsprintf(&opt, ",iops_wr_max=%llu",
disk->blkdeviotune.write_iops_sec_max);
}
if (disk->blkdeviotune.size_iops_sec) {
virBufferAsprintf(&opt, ",iops_size=%llu",
disk->blkdeviotune.size_iops_sec);
}
if (virBufferCheckError(&opt) < 0)
goto error;
return virBufferContentAndReset(&opt);
error:
VIR_FREE(source);
virBufferFreeAndReset(&opt);
return NULL;
}
static bool
qemuCheckIOThreads(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainDiskDefPtr disk)
{
/* Have capability */
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_IOTHREAD)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("IOThreads not supported for this QEMU"));
return false;
}
/* Right "type" of disk" */
if (disk->bus != VIR_DOMAIN_DISK_BUS_VIRTIO ||
(disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI &&
disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("IOThreads only available for virtio pci and "
"virtio ccw disk"));
return false;
}
/* Can we find the disk iothread in the iothreadid list? */
if (!virDomainIOThreadIDFind(def, disk->iothread)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Disk iothread '%u' not defined in iothreadid"),
disk->iothread);
return false;
}
return true;
}
char *
qemuBuildDriveDevStr(virDomainDefPtr def,
virDomainDiskDefPtr disk,
int bootindex,
virQEMUCapsPtr qemuCaps)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *bus = virDomainDiskQEMUBusTypeToString(disk->bus);
const char *contAlias;
int controllerModel;
if (virDomainDiskDefDstDuplicates(def))
goto error;
if (qemuCheckDiskConfig(disk) < 0)
goto error;
/* Live only checks */
if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
/* make sure that the qemu binary supports type='lun' (SG_IO). */
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_BLK_SG_IO)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disk device='lun' is not supported by "
"this QEMU"));
goto error;
}
}
if (disk->iothread && !qemuCheckIOThreads(def, qemuCaps, disk))
goto error;
switch (disk->bus) {
case VIR_DOMAIN_DISK_BUS_IDE:
if (disk->info.addr.drive.target != 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("target must be 0 for ide controller"));
goto error;
}
if (disk->wwn &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_IDE_DRIVE_WWN)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Setting wwn for ide disk is not supported "
"by this QEMU"));
goto error;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_IDE_CD)) {
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
virBufferAddLit(&opt, "ide-cd");
else
virBufferAddLit(&opt, "ide-hd");
} else {
virBufferAddLit(&opt, "ide-drive");
}
if (!(contAlias = virDomainControllerAliasFind(def, VIR_DOMAIN_CONTROLLER_TYPE_IDE,
disk->info.addr.drive.controller)))
goto error;
virBufferAsprintf(&opt, ",bus=%s.%d,unit=%d",
contAlias,
disk->info.addr.drive.bus,
disk->info.addr.drive.unit);
break;
case VIR_DOMAIN_DISK_BUS_SCSI:
if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_BLOCK)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU doesn't support scsi-block for "
"lun passthrough"));
goto error;
}
}
if (disk->wwn &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_DISK_WWN)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Setting wwn for scsi disk is not supported "
"by this QEMU"));
goto error;
}
/* Properties wwn, vendor and product were introduced in the
* same QEMU release (1.2.0).
*/
if ((disk->vendor || disk->product) &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_DISK_WWN)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Setting vendor or product for scsi disk is not "
"supported by this QEMU"));
goto error;
}
controllerModel =
virDomainDeviceFindControllerModel(def, &disk->info,
VIR_DOMAIN_CONTROLLER_TYPE_SCSI);
if ((qemuSetSCSIControllerModel(def, qemuCaps, &controllerModel)) < 0)
goto error;
if (disk->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
virBufferAddLit(&opt, "scsi-block");
} else {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_CD)) {
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
virBufferAddLit(&opt, "scsi-cd");
else
virBufferAddLit(&opt, "scsi-hd");
} else {
virBufferAddLit(&opt, "scsi-disk");
}
}
if (!(contAlias = virDomainControllerAliasFind(def, VIR_DOMAIN_CONTROLLER_TYPE_SCSI,
disk->info.addr.drive.controller)))
goto error;
if (controllerModel == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) {
if (disk->info.addr.drive.target != 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("target must be 0 for controller "
"model 'lsilogic'"));
goto error;
}
virBufferAsprintf(&opt, ",bus=%s.%d,scsi-id=%d",
contAlias,
disk->info.addr.drive.bus,
disk->info.addr.drive.unit);
} else {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCSI_DISK_CHANNEL)) {
if (disk->info.addr.drive.target > 7) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU doesn't support target "
"greater than 7"));
goto error;
}
if (disk->info.addr.drive.bus != 0 &&
disk->info.addr.drive.unit != 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU only supports both bus and "
"unit equal to 0"));
goto error;
}
}
virBufferAsprintf(&opt, ",bus=%s.0,channel=%d,scsi-id=%d,lun=%d",
contAlias,
disk->info.addr.drive.bus,
disk->info.addr.drive.target,
disk->info.addr.drive.unit);
}
break;
case VIR_DOMAIN_DISK_BUS_SATA:
if (disk->info.addr.drive.bus != 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("bus must be 0 for ide controller"));
goto error;
}
if (disk->info.addr.drive.target != 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("target must be 0 for ide controller"));
goto error;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_IDE_CD)) {
if (disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM)
virBufferAddLit(&opt, "ide-cd");
else
virBufferAddLit(&opt, "ide-hd");
} else {
virBufferAddLit(&opt, "ide-drive");
}
if (!(contAlias = virDomainControllerAliasFind(def, VIR_DOMAIN_CONTROLLER_TYPE_SATA,
disk->info.addr.drive.controller)))
goto error;
virBufferAsprintf(&opt, ",bus=%s.%d",
contAlias,
disk->info.addr.drive.unit);
break;
case VIR_DOMAIN_DISK_BUS_VIRTIO:
if (disk->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
virBufferAddLit(&opt, "virtio-blk-ccw");
if (disk->iothread)
virBufferAsprintf(&opt, ",iothread=iothread%u", disk->iothread);
} else if (disk->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) {
virBufferAddLit(&opt, "virtio-blk-s390");
} else if (disk->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) {
virBufferAddLit(&opt, "virtio-blk-device");
} else {
virBufferAddLit(&opt, "virtio-blk-pci");
if (disk->iothread)
virBufferAsprintf(&opt, ",iothread=iothread%u", disk->iothread);
}
qemuBuildIoEventFdStr(&opt, disk->ioeventfd, qemuCaps);
if (disk->event_idx &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_BLK_EVENT_IDX)) {
virBufferAsprintf(&opt, ",event_idx=%s",
virTristateSwitchTypeToString(disk->event_idx));
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_BLK_SCSI)) {
/* if sg_io is true but the scsi option isn't supported,
* that means it's just always on in this version of qemu.
*/
virBufferAsprintf(&opt, ",scsi=%s",
(disk->device == VIR_DOMAIN_DISK_DEVICE_LUN)
? "on" : "off");
}
if (qemuBuildDeviceAddressStr(&opt, def, &disk->info, qemuCaps) < 0)
goto error;
break;
case VIR_DOMAIN_DISK_BUS_USB:
if (disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
disk->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unexpected address type for usb disk"));
goto error;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_STORAGE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU doesn't support '-device "
"usb-storage'"));
goto error;
}
virBufferAddLit(&opt, "usb-storage");
if (qemuBuildDeviceAddressStr(&opt, def, &disk->info, qemuCaps) < 0)
goto error;
break;
default:
virReportError(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 && virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX))
virBufferAsprintf(&opt, ",bootindex=%d", bootindex);
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BLOCKIO)) {
if (disk->blockio.logical_block_size > 0)
virBufferAsprintf(&opt, ",logical_block_size=%u",
disk->blockio.logical_block_size);
if (disk->blockio.physical_block_size > 0)
virBufferAsprintf(&opt, ",physical_block_size=%u",
disk->blockio.physical_block_size);
}
if (disk->wwn) {
if (STRPREFIX(disk->wwn, "0x"))
virBufferAsprintf(&opt, ",wwn=%s", disk->wwn);
else
virBufferAsprintf(&opt, ",wwn=0x%s", disk->wwn);
}
if (disk->vendor)
virBufferAsprintf(&opt, ",vendor=%s", disk->vendor);
if (disk->product)
virBufferAsprintf(&opt, ",product=%s", disk->product);
if (disk->bus == VIR_DOMAIN_DISK_BUS_USB) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_STORAGE_REMOVABLE)) {
if (disk->removable == VIR_TRISTATE_SWITCH_ON)
virBufferAddLit(&opt, ",removable=on");
else
virBufferAddLit(&opt, ",removable=off");
} else {
if (disk->removable != VIR_TRISTATE_SWITCH_ABSENT) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU doesn't support setting the "
"removable flag of USB storage devices"));
goto error;
}
}
}
if (virBufferCheckError(&opt) < 0)
goto error;
return virBufferContentAndReset(&opt);
error:
virBufferFreeAndReset(&opt);
return NULL;
}
char *qemuBuildFSStr(virDomainFSDefPtr fs,
virQEMUCapsPtr qemuCaps ATTRIBUTE_UNUSED)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *driver = qemuDomainFSDriverTypeToString(fs->fsdriver);
const char *wrpolicy = virDomainFSWrpolicyTypeToString(fs->wrpolicy);
if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("only supports mount filesystem type"));
goto error;
}
if (!driver) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Filesystem driver type not supported"));
goto error;
}
virBufferAdd(&opt, driver, -1);
if (fs->fsdriver == VIR_DOMAIN_FS_DRIVER_TYPE_PATH ||
fs->fsdriver == VIR_DOMAIN_FS_DRIVER_TYPE_DEFAULT) {
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");
}
} else {
/* For other fs drivers, default(passthru) should always
* be supported */
if (fs->accessmode != VIR_DOMAIN_FS_ACCESSMODE_PASSTHROUGH) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("only supports passthrough accessmode"));
goto error;
}
}
if (fs->wrpolicy) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_FSDEV_WRITEOUT)) {
virBufferAsprintf(&opt, ",writeout=%s", wrpolicy);
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("filesystem writeout not supported"));
goto error;
}
}
virBufferAsprintf(&opt, ",id=%s%s", QEMU_FSDEV_HOST_PREFIX, fs->info.alias);
virBufferAsprintf(&opt, ",path=%s", fs->src);
if (fs->readonly) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_FSDEV_READONLY)) {
virBufferAddLit(&opt, ",readonly");
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("readonly filesystem is not supported by this "
"QEMU binary"));
goto error;
}
}
if (virBufferCheckError(&opt) < 0)
goto error;
return virBufferContentAndReset(&opt);
error:
virBufferFreeAndReset(&opt);
return NULL;
}
char *
qemuBuildFSDevStr(virDomainDefPtr def,
virDomainFSDefPtr fs,
virQEMUCapsPtr qemuCaps)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
if (fs->type != VIR_DOMAIN_FS_TYPE_MOUNT) {
virReportError(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, def, &fs->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&opt) < 0)
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;
case VIR_DOMAIN_CONTROLLER_MODEL_USB_NEC_XHCI:
return QEMU_CAPS_NEC_USB_XHCI;
default:
return -1;
}
}
static int
qemuBuildUSBControllerDevStr(virDomainDefPtr domainDef,
virDomainControllerDefPtr def,
virQEMUCapsPtr qemuCaps,
virBuffer *buf)
{
const char *smodel;
int model, flags;
model = def->model;
if (model == -1) {
if ARCH_IS_PPC64(domainDef->os.arch)
model = VIR_DOMAIN_CONTROLLER_MODEL_USB_PCI_OHCI;
else
model = VIR_DOMAIN_CONTROLLER_MODEL_USB_PIIX3_UHCI;
}
smodel = qemuControllerModelUSBTypeToString(model);
flags = qemuControllerModelUSBToCaps(model);
if (flags == -1 || !virQEMUCapsGet(qemuCaps, flags)) {
virReportError(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=%s.0,firstport=%d",
def->info.alias, def->info.master.usb.startport);
else
virBufferAsprintf(buf, ",id=%s", def->info.alias);
return 0;
}
char *
qemuBuildControllerDevStr(virDomainDefPtr domainDef,
virDomainControllerDefPtr def,
virQEMUCapsPtr qemuCaps,
int *nusbcontroller)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
int model = def->model;
if (def->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI) {
if ((qemuSetSCSIControllerModel(domainDef, qemuCaps, &model)) < 0)
return NULL;
}
if (!(def->type == VIR_DOMAIN_CONTROLLER_TYPE_SCSI &&
model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI)) {
if (def->queues) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'queues' is only supported by virtio-scsi controller"));
return NULL;
}
if (def->cmd_per_lun) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'cmd_per_lun' is only supported by virtio-scsi controller"));
return NULL;
}
if (def->max_sectors) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'max_sectors' is only supported by virtio-scsi controller"));
return NULL;
}
}
switch (def->type) {
case VIR_DOMAIN_CONTROLLER_TYPE_SCSI:
switch (model) {
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_VIRTIO_SCSI:
if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW)
virBufferAddLit(&buf, "virtio-scsi-ccw");
else if (def->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390)
virBufferAddLit(&buf, "virtio-scsi-s390");
else if (def->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO)
virBufferAddLit(&buf, "virtio-scsi-device");
else
virBufferAddLit(&buf, "virtio-scsi-pci");
break;
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC:
virBufferAddLit(&buf, "lsi");
break;
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_IBMVSCSI:
virBufferAddLit(&buf, "spapr-vscsi");
break;
case VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSISAS1078:
virBufferAddLit(&buf, "megasas");
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported controller model: %s"),
virDomainControllerModelSCSITypeToString(def->model));
}
virBufferAsprintf(&buf, ",id=%s", def->info.alias);
break;
case VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL:
if (def->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
virBufferAddLit(&buf, "virtio-serial-pci");
} else if (def->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
virBufferAddLit(&buf, "virtio-serial-ccw");
} else if (def->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) {
virBufferAddLit(&buf, "virtio-serial-s390");
} else if (def->info.type ==
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO) {
virBufferAddLit(&buf, "virtio-serial-device");
} else {
virBufferAddLit(&buf, "virtio-serial");
}
virBufferAsprintf(&buf, ",id=%s", def->info.alias);
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=%s", def->info.alias);
break;
case VIR_DOMAIN_CONTROLLER_TYPE_SATA:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_ICH9_AHCI)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("SATA is not supported with this "
"QEMU binary"));
goto error;
}
virBufferAsprintf(&buf, "ahci,id=%s", def->info.alias);
break;
case VIR_DOMAIN_CONTROLLER_TYPE_USB:
if (qemuBuildUSBControllerDevStr(domainDef, def, qemuCaps, &buf) == -1)
goto error;
if (nusbcontroller)
*nusbcontroller += 1;
break;
case VIR_DOMAIN_CONTROLLER_TYPE_PCI:
switch (def->model) {
case VIR_DOMAIN_CONTROLLER_MODEL_PCI_BRIDGE:
if (def->idx == 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("PCI bridge index should be > 0"));
goto error;
}
virBufferAsprintf(&buf, "pci-bridge,chassis_nr=%d,id=%s",
def->idx, def->info.alias);
break;
case VIR_DOMAIN_CONTROLLER_MODEL_DMI_TO_PCI_BRIDGE:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_DMI_TO_PCI_BRIDGE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("The dmi-to-pci-bridge (i82801b11-bridge) "
"controller is not supported in this QEMU binary"));
goto error;
}
if (def->idx == 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("dmi-to-pci-bridge index should be > 0"));
goto error;
}
virBufferAsprintf(&buf, "i82801b11-bridge,id=%s", def->info.alias);
break;
case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("wrong function called for pci-root/pcie-root"));
return NULL;
}
break;
case VIR_DOMAIN_CONTROLLER_TYPE_IDE:
/* Since we currently only support the integrated IDE controller
* on 440fx, if we ever get to here, it's because some other
* machinetype had an IDE controller specified, or a 440fx had
* multiple ide controllers.
*/
if (qemuDomainMachineIsI440FX(domainDef))
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Only a single IDE controller is unsupported "
"for this machine type"));
else
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("IDE controllers are unsupported for "
"this QEMU binary or machine type"));
goto error;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Unsupported controller type: %s"),
virDomainControllerTypeToString(def->type));
goto error;
}
if (def->queues)
virBufferAsprintf(&buf, ",num_queues=%u", def->queues);
if (def->cmd_per_lun)
virBufferAsprintf(&buf, ",cmd_per_lun=%u", def->cmd_per_lun);
if (def->max_sectors)
virBufferAsprintf(&buf, ",max_sectors=%u", def->max_sectors);
if (qemuBuildDeviceAddressStr(&buf, domainDef, &def->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
/**
* qemuBuildMemoryBackendStr:
* @size: size of the memory device in kibibytes
* @pagesize: size of the requested memory page in KiB, 0 for default
* @guestNode: NUMA node in the guest that the memory object will be attached to
* @hostNodes: map of host nodes to alloc the memory in, NULL for default
* @autoNodeset: fallback nodeset in case of automatic numa placement
* @def: domain definition object
* @qemuCaps: qemu capabilities object
* @cfg: qemu driver config object
* @aliasPrefix: prefix string of the alias (to allow for multiple frontents)
* @id: index of the device (to construct the alias)
* @backendStr: returns the object string
*
* Formats the configuration string for the memory device backend according
* to the configuration. @pagesize and @hostNodes can be used to override the
* default source configuration, both are optional.
*
* Returns 0 on success, 1 if only the implicit memory-device-ram with no
* other configuration was used (to detect legacy configurations). Returns
* -1 in case of an error.
*/
int
qemuBuildMemoryBackendStr(unsigned long long size,
unsigned long long pagesize,
int guestNode,
virBitmapPtr userNodeset,
virBitmapPtr autoNodeset,
virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virQEMUDriverConfigPtr cfg,
const char **backendType,
virJSONValuePtr *backendProps,
bool force)
{
virDomainHugePagePtr master_hugepage = NULL;
virDomainHugePagePtr hugepage = NULL;
virDomainNumatuneMemMode mode;
const long system_page_size = virGetSystemPageSizeKB();
virNumaMemAccess memAccess = VIR_NUMA_MEM_ACCESS_DEFAULT;
size_t i;
char *mem_path = NULL;
virBitmapPtr nodemask = NULL;
int ret = -1;
virJSONValuePtr props = NULL;
*backendProps = NULL;
*backendType = NULL;
/* memory devices could provide a invalid guest node */
if (guestNode >= virDomainNumaGetNodeCount(def->numa)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("can't add memory backend for guest node '%d' as "
"the guest has only '%zu' NUMA nodes configured"),
guestNode, virDomainNumaGetNodeCount(def->numa));
return -1;
}
if (!(props = virJSONValueNewObject()))
return -1;
memAccess = virDomainNumaGetNodeMemoryAccessMode(def->numa, guestNode);
if (virDomainNumatuneGetMode(def->numa, guestNode, &mode) < 0 &&
virDomainNumatuneGetMode(def->numa, -1, &mode) < 0)
mode = VIR_DOMAIN_NUMATUNE_MEM_STRICT;
if (pagesize == 0 || pagesize != system_page_size) {
/* Find the huge page size we want to use */
for (i = 0; i < def->mem.nhugepages; i++) {
bool thisHugepage = false;
hugepage = &def->mem.hugepages[i];
if (!hugepage->nodemask) {
master_hugepage = hugepage;
continue;
}
if (virBitmapGetBit(hugepage->nodemask, guestNode,
&thisHugepage) < 0) {
/* Ignore this error. It's not an error after all. Well,
* the nodemask for this <page/> can contain lower NUMA
* nodes than we are querying in here. */
continue;
}
if (thisHugepage) {
/* Hooray, we've found the page size */
break;
}
}
if (i == def->mem.nhugepages) {
/* We have not found specific huge page to be used with this
* NUMA node. Use the generic setting then (<page/> without any
* @nodemask) if possible. */
hugepage = master_hugepage;
}
if (hugepage)
pagesize = hugepage->size;
if (hugepage && hugepage->size == system_page_size) {
/* However, if user specified to use "huge" page
* of regular system page size, it's as if they
* hasn't specified any huge pages at all. */
hugepage = NULL;
}
}
if (hugepage) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this qemu doesn't support hugepage memory backing"));
goto cleanup;
}
/* Now lets see, if the huge page we want to use is even mounted
* and ready to use */
for (i = 0; i < cfg->nhugetlbfs; i++) {
if (cfg->hugetlbfs[i].size == hugepage->size)
break;
}
if (i == cfg->nhugetlbfs) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unable to find any usable hugetlbfs mount for %llu KiB"),
pagesize);
goto cleanup;
}
VIR_FREE(mem_path);
if (!(mem_path = qemuGetHugepagePath(&cfg->hugetlbfs[i])))
goto cleanup;
*backendType = "memory-backend-file";
if (virJSONValueObjectAdd(props,
"b:prealloc", true,
"s:mem-path", mem_path,
NULL) < 0)
goto cleanup;
switch (memAccess) {
case VIR_NUMA_MEM_ACCESS_SHARED:
if (virJSONValueObjectAdd(props, "b:share", true, NULL) < 0)
goto cleanup;
break;
case VIR_NUMA_MEM_ACCESS_PRIVATE:
if (virJSONValueObjectAdd(props, "b:share", false, NULL) < 0)
goto cleanup;
break;
case VIR_NUMA_MEM_ACCESS_DEFAULT:
case VIR_NUMA_MEM_ACCESS_LAST:
break;
}
} else {
if (memAccess) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Shared memory mapping is supported "
"only with hugepages"));
goto cleanup;
}
*backendType = "memory-backend-ram";
}
if (virJSONValueObjectAdd(props, "U:size", size * 1024, NULL) < 0)
goto cleanup;
if (userNodeset) {
nodemask = userNodeset;
} else {
if (virDomainNumatuneMaybeGetNodeset(def->numa, autoNodeset,
&nodemask, guestNode) < 0)
goto cleanup;
}
if (nodemask) {
if (!virNumaNodesetIsAvailable(nodemask))
goto cleanup;
if (virJSONValueObjectAdd(props,
"m:host-nodes", nodemask,
"S:policy", qemuNumaPolicyTypeToString(mode),
NULL) < 0)
goto cleanup;
}
if (!hugepage) {
bool nodeSpecified = virDomainNumatuneNodeSpecified(def->numa, guestNode);
if ((userNodeset || nodeSpecified || force) &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_RAM)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this qemu doesn't support the "
"memory-backend-ram object"));
goto cleanup;
}
/* report back that using the new backend is not necessary to achieve
* the desired configuration */
if (!userNodeset && !nodeSpecified) {
*backendProps = props;
props = NULL;
ret = 1;
goto cleanup;
}
}
*backendProps = props;
props = NULL;
ret = 0;
cleanup:
virJSONValueFree(props);
VIR_FREE(mem_path);
return ret;
}
static int
qemuBuildMemoryCellBackendStr(virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virQEMUDriverConfigPtr cfg,
size_t cell,
virBitmapPtr auto_nodeset,
char **backendStr)
{
virJSONValuePtr props = NULL;
char *alias = NULL;
const char *backendType;
int ret = -1;
int rc;
*backendStr = NULL;
if (virAsprintf(&alias, "ram-node%zu", cell) < 0)
goto cleanup;
if ((rc = qemuBuildMemoryBackendStr(virDomainNumaGetNodeMemorySize(def->numa, cell),
0, cell,
NULL, auto_nodeset,
def, qemuCaps, cfg,
&backendType, &props, false)) < 0)
goto cleanup;
if (!(*backendStr = qemuBuildObjectCommandlineFromJSON(backendType,
alias,
props)))
goto cleanup;
ret = rc;
cleanup:
VIR_FREE(alias);
virJSONValueFree(props);
return ret;
}
static char *
qemuBuildMemoryDimmBackendStr(virDomainMemoryDefPtr mem,
virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virQEMUDriverConfigPtr cfg)
{
virJSONValuePtr props = NULL;
char *alias = NULL;
const char *backendType;
char *ret = NULL;
if (!mem->info.alias) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("memory device alias is not assigned"));
return NULL;
}
if (virAsprintf(&alias, "mem%s", mem->info.alias) < 0)
goto cleanup;
if (qemuBuildMemoryBackendStr(mem->size, mem->pagesize,
mem->targetNode, mem->sourceNodes, NULL,
def, qemuCaps, cfg,
&backendType, &props, true) < 0)
goto cleanup;
ret = qemuBuildObjectCommandlineFromJSON(backendType, alias, props);
cleanup:
VIR_FREE(alias);
virJSONValueFree(props);
return ret;
}
static bool
qemuCheckMemoryDimmConflict(virDomainDefPtr def,
virDomainMemoryDefPtr mem)
{
size_t i;
for (i = 0; i < def->nmems; i++) {
virDomainMemoryDefPtr tmp = def->mems[i];
if (tmp == mem ||
tmp->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DIMM)
continue;
if (mem->info.addr.dimm.slot == tmp->info.addr.dimm.slot) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("memory device slot '%u' is already being "
"used by another memory device"),
mem->info.addr.dimm.slot);
return true;
}
if (mem->info.addr.dimm.base != 0 &&
mem->info.addr.dimm.base == tmp->info.addr.dimm.base) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("memory device base '0x%llx' is already being "
"used by another memory device"),
mem->info.addr.dimm.base);
return true;
}
}
return false;
}
char *
qemuBuildMemoryDeviceStr(virDomainMemoryDefPtr mem,
virDomainDefPtr def,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (!mem->info.alias) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("missing alias for memory device"));
return NULL;
}
switch ((virDomainMemoryModel) mem->model) {
case VIR_DOMAIN_MEMORY_MODEL_DIMM:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PC_DIMM)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this qemu doesn't support the pc-dimm device"));
return NULL;
}
if (mem->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DIMM &&
mem->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("only 'dimm' addresses are supported for the "
"pc-dimm device"));
return NULL;
}
if (mem->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DIMM &&
mem->info.addr.dimm.slot >= def->mem.memory_slots) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("memory device slot '%u' exceeds slots count '%u'"),
mem->info.addr.dimm.slot, def->mem.memory_slots);
return NULL;
}
virBufferAsprintf(&buf, "pc-dimm,node=%d,memdev=mem%s,id=%s",
mem->targetNode, mem->info.alias, mem->info.alias);
if (mem->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_DIMM) {
if (qemuCheckMemoryDimmConflict(def, mem))
return NULL;
virBufferAsprintf(&buf, ",slot=%d", mem->info.addr.dimm.slot);
virBufferAsprintf(&buf, ",addr=%llu", mem->info.addr.dimm.base);
}
break;
case VIR_DOMAIN_MEMORY_MODEL_NONE:
case VIR_DOMAIN_MEMORY_MODEL_LAST:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("invalid memory device type"));
break;
}
if (virBufferCheckError(&buf) < 0)
return NULL;
return virBufferContentAndReset(&buf);
}
char *
qemuBuildNicStr(virDomainNetDefPtr net,
const char *prefix,
int vlan)
{
char *str;
char macaddr[VIR_MAC_STRING_BUFLEN];
ignore_value(virAsprintf(&str,
"%smacaddr=%s,vlan=%d%s%s%s%s",
prefix ? prefix : "",
virMacAddrFormat(&net->mac, macaddr),
vlan,
(net->model ? ",model=" : ""),
(net->model ? net->model : ""),
(net->info.alias ? ",name=" : ""),
(net->info.alias ? net->info.alias : "")));
return str;
}
char *
qemuBuildNicDevStr(virDomainDefPtr def,
virDomainNetDefPtr net,
int vlan,
int bootindex,
size_t vhostfdSize,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *nic = net->model;
bool usingVirtio = false;
char macaddr[VIR_MAC_STRING_BUFLEN];
if (STREQ(net->model, "virtio")) {
if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW)
nic = "virtio-net-ccw";
else if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390)
nic = "virtio-net-s390";
else if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO)
nic = "virtio-net-device";
else
nic = "virtio-net-pci";
usingVirtio = true;
}
virBufferAdd(&buf, nic, -1);
if (usingVirtio && net->driver.virtio.txmode) {
if (virQEMUCapsGet(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.
*/
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("unrecognized virtio-net-pci 'tx' option"));
goto error;
}
} else {
virReportError(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 &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_NET_EVENT_IDX)) {
virBufferAsprintf(&buf, ",event_idx=%s",
virTristateSwitchTypeToString(net->driver.virtio.event_idx));
}
if (net->driver.virtio.host.csum) {
virBufferAsprintf(&buf, ",csum=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.csum));
}
if (net->driver.virtio.host.gso) {
virBufferAsprintf(&buf, ",gso=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.gso));
}
if (net->driver.virtio.host.tso4) {
virBufferAsprintf(&buf, ",host_tso4=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.tso4));
}
if (net->driver.virtio.host.tso6) {
virBufferAsprintf(&buf, ",host_tso6=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.tso6));
}
if (net->driver.virtio.host.ecn) {
virBufferAsprintf(&buf, ",host_ecn=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.ecn));
}
if (net->driver.virtio.host.ufo) {
virBufferAsprintf(&buf, ",host_ufo=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.ufo));
}
if (net->driver.virtio.host.mrg_rxbuf) {
virBufferAsprintf(&buf, ",mrg_rxbuf=%s",
virTristateSwitchTypeToString(net->driver.virtio.host.mrg_rxbuf));
}
if (net->driver.virtio.guest.csum) {
virBufferAsprintf(&buf, ",guest_csum=%s",
virTristateSwitchTypeToString(net->driver.virtio.guest.csum));
}
if (net->driver.virtio.guest.tso4) {
virBufferAsprintf(&buf, ",guest_tso4=%s",
virTristateSwitchTypeToString(net->driver.virtio.guest.tso4));
}
if (net->driver.virtio.guest.tso6) {
virBufferAsprintf(&buf, ",guest_tso6=%s",
virTristateSwitchTypeToString(net->driver.virtio.guest.tso6));
}
if (net->driver.virtio.guest.ecn) {
virBufferAsprintf(&buf, ",guest_ecn=%s",
virTristateSwitchTypeToString(net->driver.virtio.guest.ecn));
}
if (net->driver.virtio.guest.ufo) {
virBufferAsprintf(&buf, ",guest_ufo=%s",
virTristateSwitchTypeToString(net->driver.virtio.guest.ufo));
}
}
if (usingVirtio && vhostfdSize > 1) {
if (net->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW) {
/* ccw provides a one to one relation of fds to queues and
* does not support the vectors option
*/
virBufferAddLit(&buf, ",mq=on");
} else {
/* As advised at http://www.linux-kvm.org/page/Multiqueue
* we should add vectors=2*N+2 where N is the vhostfdSize
*/
virBufferAsprintf(&buf, ",mq=on,vectors=%zu", 2 * vhostfdSize + 2);
}
}
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=%s",
virMacAddrFormat(&net->mac, macaddr));
if (qemuBuildDeviceAddressStr(&buf, def, &net->info, qemuCaps) < 0)
goto error;
if (qemuBuildRomStr(&buf, &net->info, qemuCaps) < 0)
goto error;
if (bootindex && virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX))
virBufferAsprintf(&buf, ",bootindex=%d", bootindex);
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildHostNetStr(virDomainNetDefPtr net,
virQEMUDriverPtr driver,
char type_sep,
int vlan,
char **tapfd,
size_t tapfdSize,
char **vhostfd,
size_t vhostfdSize)
{
bool is_tap = false;
virBuffer buf = VIR_BUFFER_INITIALIZER;
virDomainNetType netType = virDomainNetGetActualType(net);
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
size_t i;
if (net->script && netType != VIR_DOMAIN_NET_TYPE_ETHERNET) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("scripts are not supported on interfaces of type %s"),
virDomainNetTypeToString(netType));
virObjectUnref(cfg);
return NULL;
}
switch (netType) {
/*
* If type='bridge', and we're running as privileged user
* or -netdev bridge is not supported then it will fall
* through, -net tap,fd
*/
case VIR_DOMAIN_NET_TYPE_BRIDGE:
case VIR_DOMAIN_NET_TYPE_NETWORK:
case VIR_DOMAIN_NET_TYPE_DIRECT:
virBufferAsprintf(&buf, "tap%c", type_sep);
/* for one tapfd 'fd=' shall be used,
* for more than one 'fds=' is the right choice */
if (tapfdSize == 1) {
virBufferAsprintf(&buf, "fd=%s", tapfd[0]);
} else {
virBufferAddLit(&buf, "fds=");
for (i = 0; i < tapfdSize; i++) {
if (i)
virBufferAddChar(&buf, ':');
virBufferAdd(&buf, tapfd[i], -1);
}
}
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->script) {
virBufferAsprintf(&buf, "%cscript=%s", type_sep,
net->script);
type_sep = ',';
}
is_tap = true;
break;
case VIR_DOMAIN_NET_TYPE_CLIENT:
virBufferAsprintf(&buf, "socket%cconnect=%s:%d",
type_sep,
net->data.socket.address,
net->data.socket.port);
type_sep = ',';
break;
case VIR_DOMAIN_NET_TYPE_SERVER:
virBufferAsprintf(&buf, "socket%clisten=%s:%d",
type_sep,
net->data.socket.address ? net->data.socket.address
: "",
net->data.socket.port);
type_sep = ',';
break;
case VIR_DOMAIN_NET_TYPE_MCAST:
virBufferAsprintf(&buf, "socket%cmcast=%s:%d",
type_sep,
net->data.socket.address,
net->data.socket.port);
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 (vhostfdSize) {
virBufferAddLit(&buf, ",vhost=on,");
if (vhostfdSize == 1) {
virBufferAsprintf(&buf, "vhostfd=%s", vhostfd[0]);
} else {
virBufferAddLit(&buf, "vhostfds=");
for (i = 0; i < vhostfdSize; i++) {
if (i)
virBufferAddChar(&buf, ':');
virBufferAdd(&buf, vhostfd[i], -1);
}
}
}
if (net->tune.sndbuf_specified)
virBufferAsprintf(&buf, ",sndbuf=%lu", net->tune.sndbuf);
}
virObjectUnref(cfg);
if (virBufferCheckError(&buf) < 0)
return NULL;
return virBufferContentAndReset(&buf);
}
char *
qemuBuildWatchdogDevStr(virDomainDefPtr def,
virDomainWatchdogDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *model = virDomainWatchdogModelTypeToString(dev->model);
if (!model) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing watchdog model"));
goto error;
}
virBufferAsprintf(&buf, "%s,id=%s", model, dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildMemballoonDevStr(virDomainDefPtr def,
virDomainMemballoonDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
switch (dev->info.type) {
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI:
virBufferAddLit(&buf, "virtio-balloon-pci");
break;
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW:
virBufferAddLit(&buf, "virtio-balloon-ccw");
break;
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO:
virBufferAddLit(&buf, "virtio-balloon-device");
break;
default:
virReportError(VIR_ERR_XML_ERROR,
_("memballoon unsupported with address type '%s'"),
virDomainDeviceAddressTypeToString(dev->info.type));
goto error;
}
virBufferAsprintf(&buf, ",id=%s", dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *
qemuBuildNVRAMDevStr(virDomainNVRAMDefPtr dev)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO &&
dev->info.addr.spaprvio.has_reg) {
virBufferAsprintf(&buf, "spapr-nvram.reg=0x%llx",
dev->info.addr.spaprvio.reg);
} else {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("nvram address type must be spaprvio"));
goto error;
}
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildUSBInputDevStr(virDomainDefPtr def,
virDomainInputDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
switch (dev->type) {
case VIR_DOMAIN_INPUT_TYPE_MOUSE:
virBufferAsprintf(&buf, "usb-mouse,id=%s", dev->info.alias);
break;
case VIR_DOMAIN_INPUT_TYPE_TABLET:
virBufferAsprintf(&buf, "usb-tablet,id=%s", dev->info.alias);
break;
case VIR_DOMAIN_INPUT_TYPE_KBD:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_KBD))
goto error;
virBufferAsprintf(&buf, "usb-kbd,id=%s", dev->info.alias);
break;
}
if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildSoundDevStr(virDomainDefPtr def,
virDomainSoundDefPtr sound,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *model = NULL;
/* Hack for devices with different names in QEMU and libvirt */
switch ((virDomainSoundModel) sound->model) {
case VIR_DOMAIN_SOUND_MODEL_ES1370:
model = "ES1370";
break;
case VIR_DOMAIN_SOUND_MODEL_AC97:
model = "AC97";
break;
case VIR_DOMAIN_SOUND_MODEL_ICH6:
model = "intel-hda";
break;
case VIR_DOMAIN_SOUND_MODEL_USB:
model = "usb-audio";
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_USB_AUDIO)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("usb-audio controller is not supported "
"by this QEMU binary"));
goto error;
}
break;
case VIR_DOMAIN_SOUND_MODEL_ICH9:
model = "ich9-intel-hda";
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_ICH9_INTEL_HDA)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("The ich9-intel-hda audio controller "
"is not supported in this QEMU binary"));
goto error;
}
break;
case VIR_DOMAIN_SOUND_MODEL_SB16:
model = "sb16";
break;
case VIR_DOMAIN_SOUND_MODEL_PCSPK: /* pc-speaker is handled separately */
case VIR_DOMAIN_SOUND_MODEL_LAST:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("sound card model '%s' is not supported by qemu"),
virDomainSoundModelTypeToString(sound->model));
goto error;
}
virBufferAsprintf(&buf, "%s,id=%s", model, sound->info.alias);
if (qemuBuildDeviceAddressStr(&buf, def, &sound->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static int
qemuSoundCodecTypeToCaps(int type)
{
switch (type) {
case VIR_DOMAIN_SOUND_CODEC_TYPE_DUPLEX:
return QEMU_CAPS_HDA_DUPLEX;
case VIR_DOMAIN_SOUND_CODEC_TYPE_MICRO:
return QEMU_CAPS_HDA_MICRO;
default:
return -1;
}
}
static char *
qemuBuildSoundCodecStr(virDomainSoundDefPtr sound,
virDomainSoundCodecDefPtr codec,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *stype;
int type, flags;
type = codec->type;
stype = qemuSoundCodecTypeToString(type);
flags = qemuSoundCodecTypeToCaps(type);
if (flags == -1 || !virQEMUCapsGet(qemuCaps, flags)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("%s not supported in this QEMU binary"), stype);
goto error;
}
virBufferAsprintf(&buf, "%s,id=%s-codec%d,bus=%s.0,cad=%d",
stype, sound->info.alias, codec->cad, sound->info.alias, codec->cad);
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *
qemuBuildDeviceVideoStr(virDomainDefPtr def,
virDomainVideoDefPtr video,
virQEMUCapsPtr qemuCaps,
bool primary)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *model;
if (primary) {
model = qemuDeviceVideoTypeToString(video->type);
if (!model || STREQ(model, "")) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("video type %s is not supported with QEMU"),
virDomainVideoTypeToString(video->type));
goto error;
}
} else {
if (video->type != VIR_DOMAIN_VIDEO_TYPE_QXL) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("non-primary video device must be type of 'qxl'"));
goto error;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QXL)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("only one video card is currently supported"));
goto error;
}
model = "qxl";
}
virBufferAsprintf(&buf, "%s,id=%s", model, video->info.alias);
if (video->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
if (video->vram > (UINT_MAX / 1024)) {
virReportError(VIR_ERR_OVERFLOW,
_("value for 'vram' must be less than '%u'"),
UINT_MAX / 1024);
goto error;
}
if (video->ram > (UINT_MAX / 1024)) {
virReportError(VIR_ERR_OVERFLOW,
_("value for 'ram' must be less than '%u'"),
UINT_MAX / 1024);
goto error;
}
if (video->ram) {
/* QEMU accepts bytes for ram_size. */
virBufferAsprintf(&buf, ",ram_size=%u", video->ram * 1024);
}
if (video->vram) {
/* QEMU accepts bytes for vram_size. */
virBufferAsprintf(&buf, ",vram_size=%u", video->vram * 1024);
}
if ((primary && virQEMUCapsGet(qemuCaps, QEMU_CAPS_QXL_VGA_VGAMEM)) ||
(!primary && virQEMUCapsGet(qemuCaps, QEMU_CAPS_QXL_VGAMEM))) {
/* QEMU accepts mebibytes for vgamem_mb. */
virBufferAsprintf(&buf, ",vgamem_mb=%u", video->vgamem / 1024);
}
} else if (video->vram &&
((video->type == VIR_DOMAIN_VIDEO_TYPE_VGA &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_VGAMEM)) ||
(video->type == VIR_DOMAIN_VIDEO_TYPE_VMVGA &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VMWARE_SVGA_VGAMEM)))) {
if (video->vram < 1024) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("value for 'vram' must be at least 1 MiB "
"(1024 KiB)"));
goto error;
}
virBufferAsprintf(&buf, ",vgamem_mb=%u", video->vram / 1024);
}
if (qemuBuildDeviceAddressStr(&buf, def, &video->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
int
qemuOpenPCIConfig(virDomainHostdevDefPtr dev)
{
virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
char *path = NULL;
int configfd = -1;
if (virAsprintf(&path, "/sys/bus/pci/devices/%04x:%02x:%02x.%01x/config",
pcisrc->addr.domain, pcisrc->addr.bus,
pcisrc->addr.slot, pcisrc->addr.function) < 0)
return -1;
configfd = open(path, O_RDWR, 0);
if (configfd < 0)
virReportSystemError(errno, _("Failed opening %s"), path);
VIR_FREE(path);
return configfd;
}
char *
qemuBuildPCIHostdevDevStr(virDomainDefPtr def,
virDomainHostdevDefPtr dev,
const char *configfd,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
int backend = pcisrc->backend;
/* caller has to assign proper passthrough backend type */
switch ((virDomainHostdevSubsysPCIBackendType) backend) {
case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_KVM:
virBufferAddLit(&buf, "pci-assign");
if (configfd && *configfd)
virBufferAsprintf(&buf, ",configfd=%s", configfd);
break;
case VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO:
virBufferAddLit(&buf, "vfio-pci");
break;
default:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid PCI passthrough type '%s'"),
virDomainHostdevSubsysPCIBackendTypeToString(backend));
goto error;
}
virBufferAddLit(&buf, ",host=");
if (pcisrc->addr.domain) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_HOST_PCI_MULTIDOMAIN)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("non-zero domain='%.4x' in host device PCI address "
"not supported in this QEMU binary"),
pcisrc->addr.domain);
goto error;
}
virBufferAsprintf(&buf, "%.4x:", pcisrc->addr.domain);
}
virBufferAsprintf(&buf, "%.2x:%.2x.%.1x",
pcisrc->addr.bus, pcisrc->addr.slot,
pcisrc->addr.function);
virBufferAsprintf(&buf, ",id=%s", dev->info->alias);
if (dev->info->bootIndex)
virBufferAsprintf(&buf, ",bootindex=%d", dev->info->bootIndex);
if (qemuBuildDeviceAddressStr(&buf, def, dev->info, qemuCaps) < 0)
goto error;
if (qemuBuildRomStr(&buf, dev->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildPCIHostdevPCIDevStr(virDomainHostdevDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
char *ret = NULL;
virDomainHostdevSubsysPCIPtr pcisrc = &dev->source.subsys.u.pci;
if (pcisrc->addr.domain) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_HOST_PCI_MULTIDOMAIN)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("non-zero domain='%.4x' in host device PCI address "
"not supported in this QEMU binary"),
pcisrc->addr.domain);
goto cleanup;
}
ignore_value(virAsprintf(&ret, "host=%.4x:%.2x:%.2x.%.1x",
pcisrc->addr.domain, pcisrc->addr.bus,
pcisrc->addr.slot, pcisrc->addr.function));
} else {
ignore_value(virAsprintf(&ret, "host=%.2x:%.2x.%.1x",
pcisrc->addr.bus, pcisrc->addr.slot,
pcisrc->addr.function));
}
cleanup:
return ret;
}
char *
qemuBuildRedirdevDevStr(virDomainDefPtr def,
virDomainRedirdevDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
size_t i;
virBuffer buf = VIR_BUFFER_INITIALIZER;
virDomainRedirFilterDefPtr redirfilter = def->redirfilter;
if (dev->bus != VIR_DOMAIN_REDIRDEV_BUS_USB) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Redirection bus %s is not supported by QEMU"),
virDomainRedirdevBusTypeToString(dev->bus));
goto error;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR)) {
virReportError(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 (redirfilter && redirfilter->nusbdevs) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR_FILTER)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("USB redirection filter is not "
"supported by this version of QEMU"));
goto error;
}
virBufferAddLit(&buf, ",filter=");
for (i = 0; i < redirfilter->nusbdevs; i++) {
virDomainRedirFilterUSBDevDefPtr usbdev = redirfilter->usbdevs[i];
if (usbdev->usbClass >= 0)
virBufferAsprintf(&buf, "0x%02X:", usbdev->usbClass);
else
virBufferAddLit(&buf, "-1:");
if (usbdev->vendor >= 0)
virBufferAsprintf(&buf, "0x%04X:", usbdev->vendor);
else
virBufferAddLit(&buf, "-1:");
if (usbdev->product >= 0)
virBufferAsprintf(&buf, "0x%04X:", usbdev->product);
else
virBufferAddLit(&buf, "-1:");
if (usbdev->version >= 0)
virBufferAsprintf(&buf, "0x%04X:", usbdev->version);
else
virBufferAddLit(&buf, "-1:");
virBufferAsprintf(&buf, "%u", usbdev->allow);
if (i < redirfilter->nusbdevs -1)
virBufferAddLit(&buf, "|");
}
}
if (dev->info.bootIndex) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_REDIR_BOOTINDEX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("USB redirection booting is not "
"supported by this version of QEMU"));
goto error;
}
virBufferAsprintf(&buf, ",bootindex=%d", dev->info.bootIndex);
}
if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildUSBHostdevDevStr(virDomainDefPtr def,
virDomainHostdevDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virDomainHostdevSubsysUSBPtr usbsrc = &dev->source.subsys.u.usb;
if (!dev->missing && !usbsrc->bus && !usbsrc->device) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("USB host device is missing bus/device information"));
return NULL;
}
virBufferAddLit(&buf, "usb-host");
if (!dev->missing) {
virBufferAsprintf(&buf, ",hostbus=%d,hostaddr=%d",
usbsrc->bus, usbsrc->device);
}
virBufferAsprintf(&buf, ",id=%s", dev->info->alias);
if (dev->info->bootIndex)
virBufferAsprintf(&buf, ",bootindex=%d", dev->info->bootIndex);
if (qemuBuildDeviceAddressStr(&buf, def, dev->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildHubDevStr(virDomainDefPtr def,
virDomainHubDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (dev->type != VIR_DOMAIN_HUB_TYPE_USB) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("hub type %s not supported"),
virDomainHubTypeToString(dev->type));
goto error;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_HUB)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("usb-hub not supported by QEMU binary"));
goto error;
}
virBufferAddLit(&buf, "usb-hub");
virBufferAsprintf(&buf, ",id=%s", dev->info.alias);
if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildUSBHostdevUSBDevStr(virDomainHostdevDefPtr dev)
{
char *ret = NULL;
virDomainHostdevSubsysUSBPtr usbsrc = &dev->source.subsys.u.usb;
if (dev->missing) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU doesn't not support missing USB devices"));
return NULL;
}
if (!usbsrc->bus && !usbsrc->device) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("USB host device is missing bus/device information"));
return NULL;
}
ignore_value(virAsprintf(&ret, "host:%d.%d", usbsrc->bus, usbsrc->device));
return ret;
}
static char *
qemuBuildSCSIHostHostdevDrvStr(virDomainHostdevDefPtr dev,
virQEMUCapsPtr qemuCaps ATTRIBUTE_UNUSED,
qemuBuildCommandLineCallbacksPtr callbacks)
{
virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi;
virDomainHostdevSubsysSCSIHostPtr scsihostsrc = &scsisrc->u.host;
char *sg = NULL;
sg = (callbacks->qemuGetSCSIDeviceSgName)(NULL,
scsihostsrc->adapter,
scsihostsrc->bus,
scsihostsrc->target,
scsihostsrc->unit);
return sg;
}
static char *
qemuBuildSCSIiSCSIHostdevDrvStr(virConnectPtr conn,
virDomainHostdevDefPtr dev)
{
char *source = NULL;
char *secret = NULL;
char *username = NULL;
virStorageSource src;
memset(&src, 0, sizeof(src));
virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi;
virDomainHostdevSubsysSCSIiSCSIPtr iscsisrc = &scsisrc->u.iscsi;
if (conn && iscsisrc->auth) {
const char *protocol =
virStorageNetProtocolTypeToString(VIR_STORAGE_NET_PROTOCOL_ISCSI);
bool encode = false;
int secretType = VIR_SECRET_USAGE_TYPE_ISCSI;
username = iscsisrc->auth->username;
if (!(secret = qemuGetSecretString(conn, protocol, encode,
iscsisrc->auth, secretType)))
goto cleanup;
}
src.protocol = VIR_STORAGE_NET_PROTOCOL_ISCSI;
src.path = iscsisrc->path;
src.hosts = iscsisrc->hosts;
src.nhosts = iscsisrc->nhosts;
/* Rather than pull what we think we want - use the network disk code */
source = qemuBuildNetworkDriveURI(&src, username, secret);
cleanup:
VIR_FREE(secret);
return source;
}
char *
qemuBuildSCSIHostdevDrvStr(virConnectPtr conn,
virDomainHostdevDefPtr dev,
virQEMUCapsPtr qemuCaps,
qemuBuildCommandLineCallbacksPtr callbacks)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *source = NULL;
virDomainHostdevSubsysSCSIPtr scsisrc = &dev->source.subsys.u.scsi;
if (scsisrc->protocol == VIR_DOMAIN_HOSTDEV_SCSI_PROTOCOL_TYPE_ISCSI) {
if (!(source = qemuBuildSCSIiSCSIHostdevDrvStr(conn, dev)))
goto error;
virBufferAsprintf(&buf, "file=%s,if=none,format=raw", source);
} else {
if (!(source = qemuBuildSCSIHostHostdevDrvStr(dev, qemuCaps,
callbacks)))
goto error;
virBufferAsprintf(&buf, "file=/dev/%s,if=none", source);
}
virBufferAsprintf(&buf, ",id=%s-%s",
virDomainDeviceAddressTypeToString(dev->info->type),
dev->info->alias);
if (dev->readonly) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_READONLY)) {
virBufferAddLit(&buf, ",readonly=on");
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this qemu doesn't support 'readonly' "
"for -drive"));
goto error;
}
}
if (virBufferCheckError(&buf) < 0)
goto error;
VIR_FREE(source);
return virBufferContentAndReset(&buf);
error:
VIR_FREE(source);
virBufferFreeAndReset(&buf);
return NULL;
}
char *
qemuBuildSCSIHostdevDevStr(virDomainDefPtr def,
virDomainHostdevDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
int model = -1;
const char *contAlias;
model = virDomainDeviceFindControllerModel(def, dev->info,
VIR_DOMAIN_CONTROLLER_TYPE_SCSI);
if (qemuSetSCSIControllerModel(def, qemuCaps, &model) < 0)
goto error;
if (model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) {
if (dev->info->addr.drive.target != 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("target must be 0 for scsi host device "
"if its controller model is 'lsilogic'"));
goto error;
}
if (dev->info->addr.drive.unit > 7) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("unit must be not more than 7 for scsi host "
"device if its controller model is 'lsilogic'"));
goto error;
}
}
virBufferAddLit(&buf, "scsi-generic");
if (!(contAlias = virDomainControllerAliasFind(def, VIR_DOMAIN_CONTROLLER_TYPE_SCSI,
dev->info->addr.drive.controller)))
goto error;
if (model == VIR_DOMAIN_CONTROLLER_MODEL_SCSI_LSILOGIC) {
virBufferAsprintf(&buf, ",bus=%s.%d,scsi-id=%d",
contAlias,
dev->info->addr.drive.bus,
dev->info->addr.drive.unit);
} else {
virBufferAsprintf(&buf, ",bus=%s.0,channel=%d,scsi-id=%d,lun=%d",
contAlias,
dev->info->addr.drive.bus,
dev->info->addr.drive.target,
dev->info->addr.drive.unit);
}
virBufferAsprintf(&buf, ",drive=%s-%s,id=%s",
virDomainDeviceAddressTypeToString(dev->info->type),
dev->info->alias, dev->info->alias);
if (dev->info->bootIndex)
virBufferAsprintf(&buf, ",bootindex=%d", dev->info->bootIndex);
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
/* 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,
virQEMUCapsPtr 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, "%s,id=char%s,path=%s",
STRPREFIX(alias, "parallel") ? "parport" : "tty",
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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV_SPICEVMC)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spicevmc not supported in this QEMU binary"));
goto error;
}
virBufferAsprintf(&buf, "spicevmc,id=char%s,name=%s", alias,
virDomainChrSpicevmcTypeToString(dev->data.spicevmc));
break;
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV_SPICEPORT)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spiceport not supported in this QEMU binary"));
goto error;
}
virBufferAsprintf(&buf, "spiceport,id=char%s,name=%s", alias,
dev->data.spiceport.channel);
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported chardev '%s'"),
virDomainChrTypeToString(dev->type));
goto error;
}
if (virBufferCheckError(&buf) < 0)
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 ((virDomainChrType)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;
case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
case VIR_DOMAIN_CHR_TYPE_NMDM:
case VIR_DOMAIN_CHR_TYPE_LAST:
break;
}
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *
qemuBuildVirtioSerialPortDevStr(virDomainDefPtr def,
virDomainChrDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *contAlias;
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 &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SPICEVMC)) {
virBufferAddLit(&buf, "spicevmc");
} else {
virBufferAddLit(&buf, "virtserialport");
}
break;
default:
virReportError(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 &&
dev->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW &&
dev->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390) {
/* Check it's a virtio-serial address */
if (dev->info.type !=
VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_SERIAL)
{
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("virtio serial device has invalid address type"));
goto error;
}
contAlias = virDomainControllerAliasFind(def, VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL,
dev->info.addr.vioserial.controller);
if (!contAlias)
goto error;
virBufferAsprintf(&buf, ",bus=%s.%d,nr=%d", contAlias,
dev->info.addr.vioserial.bus,
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")) {
virReportError(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 &&
virQEMUCapsGet(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) {
virBufferAsprintf(&buf, ",name=%s", dev->target.name
? dev->target.name : "com.redhat.spice.0");
}
} else {
virBufferAsprintf(&buf, ",id=%s", dev->info.alias);
}
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *
qemuBuildSclpDevStr(virDomainChrDefPtr dev)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (dev->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE) {
switch (dev->targetType) {
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLP:
virBufferAddLit(&buf, "sclpconsole");
break;
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLPLM:
virBufferAddLit(&buf, "sclplmconsole");
break;
}
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Cannot use slcp with devices other than console"));
goto error;
}
virBufferAsprintf(&buf, ",chardev=char%s,id=%s",
dev->info.alias, dev->info.alias);
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static int
qemuBuildRNGBackendChrdevStr(virDomainRNGDefPtr rng,
virQEMUCapsPtr qemuCaps,
char **chr)
{
*chr = NULL;
switch ((virDomainRNGBackend) rng->backend) {
case VIR_DOMAIN_RNG_BACKEND_RANDOM:
case VIR_DOMAIN_RNG_BACKEND_LAST:
/* no chardev backend is needed */
return 0;
case VIR_DOMAIN_RNG_BACKEND_EGD:
if (!(*chr = qemuBuildChrChardevStr(rng->source.chardev,
rng->info.alias, qemuCaps)))
return -1;
}
return 0;
}
int
qemuBuildRNGBackendProps(virDomainRNGDefPtr rng,
virQEMUCapsPtr qemuCaps,
const char **type,
virJSONValuePtr *props)
{
char *charBackendAlias = NULL;
int ret = -1;
switch ((virDomainRNGBackend) rng->backend) {
case VIR_DOMAIN_RNG_BACKEND_RANDOM:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_RNG_RANDOM)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this qemu doesn't support the rng-random "
"backend"));
goto cleanup;
}
*type = "rng-random";
if (virJSONValueObjectCreate(props, "s:filename", rng->source.file,
NULL) < 0)
goto cleanup;
break;
case VIR_DOMAIN_RNG_BACKEND_EGD:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_RNG_EGD)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this qemu doesn't support the rng-egd "
"backend"));
goto cleanup;
}
*type = "rng-egd";
if (virAsprintf(&charBackendAlias, "char%s", rng->info.alias) < 0)
goto cleanup;
if (virJSONValueObjectCreate(props, "s:chardev", charBackendAlias,
NULL) < 0)
goto cleanup;
break;
case VIR_DOMAIN_RNG_BACKEND_LAST:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("unknown rng-random backend"));
goto cleanup;
}
ret = 0;
cleanup:
VIR_FREE(charBackendAlias);
return ret;
}
static char *
qemuBuildRNGBackendStr(virDomainRNGDefPtr rng,
virQEMUCapsPtr qemuCaps)
{
const char *type = NULL;
char *alias = NULL;
virJSONValuePtr props = NULL;
char *ret = NULL;
if (virAsprintf(&alias, "obj%s", rng->info.alias) < 0)
goto cleanup;
if (qemuBuildRNGBackendProps(rng, qemuCaps, &type, &props) < 0)
goto cleanup;
ret = qemuBuildObjectCommandlineFromJSON(type, alias, props);
cleanup:
VIR_FREE(alias);
virJSONValueFree(props);
return ret;
}
char *
qemuBuildRNGDevStr(virDomainDefPtr def,
virDomainRNGDefPtr dev,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (dev->model != VIR_DOMAIN_RNG_MODEL_VIRTIO ||
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_RNG)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("this qemu doesn't support RNG device type '%s'"),
virDomainRNGModelTypeToString(dev->model));
goto error;
}
if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW)
virBufferAsprintf(&buf, "virtio-rng-ccw,rng=obj%s,id=%s",
dev->info.alias, dev->info.alias);
else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_S390)
virBufferAsprintf(&buf, "virtio-rng-s390,rng=obj%s,id=%s",
dev->info.alias, dev->info.alias);
else if (dev->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_VIRTIO_MMIO)
virBufferAsprintf(&buf, "virtio-rng-device,rng=obj%s,id=%s",
dev->info.alias, dev->info.alias);
else
virBufferAsprintf(&buf, "virtio-rng-pci,rng=obj%s,id=%s",
dev->info.alias, dev->info.alias);
if (dev->rate > 0) {
virBufferAsprintf(&buf, ",max-bytes=%u", dev->rate);
if (dev->period)
virBufferAsprintf(&buf, ",period=%u", dev->period);
else
virBufferAddLit(&buf, ",period=1000");
}
if (qemuBuildDeviceAddressStr(&buf, def, &dev->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *qemuBuildTPMBackendStr(const virDomainDef *def,
virCommandPtr cmd,
virQEMUCapsPtr qemuCaps,
const char *emulator,
int *tpmfd, int *cancelfd)
{
const virDomainTPMDef *tpm = def->tpm;
virBuffer buf = VIR_BUFFER_INITIALIZER;
const char *type = virDomainTPMBackendTypeToString(tpm->type);
char *cancel_path = NULL, *devset = NULL;
const char *tpmdev;
*tpmfd = -1;
*cancelfd = -1;
virBufferAsprintf(&buf, "%s,id=tpm-%s", type, tpm->info.alias);
switch (tpm->type) {
case VIR_DOMAIN_TPM_TYPE_PASSTHROUGH:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_PASSTHROUGH))
goto no_support;
tpmdev = tpm->data.passthrough.source.data.file.path;
if (!(cancel_path = virTPMCreateCancelPath(tpmdev)))
goto error;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_ADD_FD)) {
*tpmfd = open(tpmdev, O_RDWR);
if (*tpmfd < 0) {
virReportSystemError(errno, _("Could not open TPM device %s"),
tpmdev);
goto error;
}
virCommandPassFD(cmd, *tpmfd,
VIR_COMMAND_PASS_FD_CLOSE_PARENT);
devset = qemuVirCommandGetDevSet(cmd, *tpmfd);
if (devset == NULL)
goto error;
*cancelfd = open(cancel_path, O_WRONLY);
if (*cancelfd < 0) {
virReportSystemError(errno,
_("Could not open TPM device's cancel "
"path %s"), cancel_path);
goto error;
}
VIR_FREE(cancel_path);
virCommandPassFD(cmd, *cancelfd,
VIR_COMMAND_PASS_FD_CLOSE_PARENT);
cancel_path = qemuVirCommandGetDevSet(cmd, *cancelfd);
if (cancel_path == NULL)
goto error;
}
virBufferAddLit(&buf, ",path=");
virBufferEscape(&buf, ',', ",", "%s", devset ? devset : tpmdev);
virBufferAddLit(&buf, ",cancel-path=");
virBufferEscape(&buf, ',', ",", "%s", cancel_path);
VIR_FREE(devset);
VIR_FREE(cancel_path);
break;
case VIR_DOMAIN_TPM_TYPE_LAST:
goto error;
}
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
no_support:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("The QEMU executable %s does not support TPM "
"backend type %s"),
emulator, type);
error:
VIR_FREE(devset);
VIR_FREE(cancel_path);
virBufferFreeAndReset(&buf);
return NULL;
}
static char *qemuBuildTPMDevStr(const virDomainDef *def,
virQEMUCapsPtr qemuCaps,
const char *emulator)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
const virDomainTPMDef *tpm = def->tpm;
const char *model = virDomainTPMModelTypeToString(tpm->model);
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_TPM_TIS)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("The QEMU executable %s does not support TPM "
"model %s"),
emulator, model);
goto error;
}
virBufferAsprintf(&buf, "%s,tpmdev=tpm-%s,id=%s",
model, tpm->info.alias, tpm->info.alias);
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *qemuBuildSmbiosBiosStr(virSysinfoBIOSDefPtr def)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (!def)
return NULL;
virBufferAddLit(&buf, "type=0");
/* 0:Vendor */
if (def->vendor)
virBufferAsprintf(&buf, ",vendor=%s", def->vendor);
/* 0:BIOS Version */
if (def->version)
virBufferAsprintf(&buf, ",version=%s", def->version);
/* 0:BIOS Release Date */
if (def->date)
virBufferAsprintf(&buf, ",date=%s", def->date);
/* 0:System BIOS Major Release and 0:System BIOS Minor Release */
if (def->release)
virBufferAsprintf(&buf, ",release=%s", def->release);
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *qemuBuildSmbiosSystemStr(virSysinfoSystemDefPtr def,
bool skip_uuid)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (!def ||
(!def->manufacturer && !def->product && !def->version &&
!def->serial && (!def->uuid || skip_uuid) &&
def->sku && !def->family))
return NULL;
virBufferAddLit(&buf, "type=1");
/* 1:Manufacturer */
if (def->manufacturer)
virBufferAsprintf(&buf, ",manufacturer=%s",
def->manufacturer);
/* 1:Product Name */
if (def->product)
virBufferAsprintf(&buf, ",product=%s", def->product);
/* 1:Version */
if (def->version)
virBufferAsprintf(&buf, ",version=%s", def->version);
/* 1:Serial Number */
if (def->serial)
virBufferAsprintf(&buf, ",serial=%s", def->serial);
/* 1:UUID */
if (def->uuid && !skip_uuid)
virBufferAsprintf(&buf, ",uuid=%s", def->uuid);
/* 1:SKU Number */
if (def->sku)
virBufferAsprintf(&buf, ",sku=%s", def->sku);
/* 1:Family */
if (def->family)
virBufferAsprintf(&buf, ",family=%s", def->family);
if (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static char *qemuBuildSmbiosBaseBoardStr(virSysinfoBaseBoardDefPtr def)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (!def)
return NULL;
virBufferAddLit(&buf, "type=2");
/* 2:Manufacturer */
if (def->manufacturer)
virBufferAsprintf(&buf, ",manufacturer=%s",
def->manufacturer);
/* 2:Product Name */
if (def->product)
virBufferAsprintf(&buf, ",product=%s", def->product);
/* 2:Version */
if (def->version)
virBufferAsprintf(&buf, ",version=%s", def->version);
/* 2:Serial Number */
if (def->serial)
virBufferAsprintf(&buf, ",serial=%s", def->serial);
/* 2:Asset Tag */
if (def->asset)
virBufferAsprintf(&buf, ",asset=%s", def->asset);
/* 2:Location */
if (def->location)
virBufferAsprintf(&buf, ",location=%s", def->location);
if (virBufferCheckError(&buf) < 0)
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;
if (def->data.variable.basis == VIR_DOMAIN_CLOCK_BASIS_LOCALTIME) {
long localOffset;
/* in the case of basis='localtime', rather than trying to
* keep that basis (and associated offset from UTC) in the
* status and deal with adding in the difference each time
* there is an RTC_CHANGE event, it is simpler and less
* error prone to just convert the adjustment an offset
* from UTC right now (and change the status to
* "basis='utc' to reflect this). This eliminates
* potential errors in both RTC_CHANGE events and in
* migration (in the case that the status of DST, or the
* timezone of the destination host, changed relative to
* startup).
*/
if (virTimeLocalOffsetFromUTC(&localOffset) < 0)
goto error;
def->data.variable.adjustment += localOffset;
def->data.variable.basis = VIR_DOMAIN_CLOCK_BASIS_UTC;
}
now += def->data.variable.adjustment;
gmtime_r(&now, &nowbits);
/* when an RTC_CHANGE event is received from qemu, we need to
* have the adjustment used at domain start time available to
* compute the new offset from UTC. As this new value is
* itself stored in def->data.variable.adjustment, we need to
* save a copy of it now.
*/
def->data.variable.adjustment0 = def->data.variable.adjustment;
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:
virReportError(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= */
size_t 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:
virReportError(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:
virReportError(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 (virBufferCheckError(&buf) < 0)
goto error;
return virBufferContentAndReset(&buf);
error:
virBufferFreeAndReset(&buf);
return NULL;
}
static int
qemuBuildCpuModelArgStr(virQEMUDriverPtr driver,
const virDomainDef *def,
virBufferPtr buf,
virQEMUCapsPtr qemuCaps,
bool *hasHwVirt,
bool migrating)
{
int ret = -1;
size_t i;
virCPUDefPtr host = NULL;
virCPUDefPtr guest = NULL;
virCPUDefPtr cpu = NULL;
virCPUDefPtr featCpu = NULL;
size_t ncpus = 0;
char **cpus = NULL;
virCPUDataPtr data = NULL;
virCPUDataPtr hostData = NULL;
char *compare_msg = NULL;
virCPUCompareResult cmp;
const char *preferred;
virCapsPtr caps = NULL;
bool compareAgainstHost = ((def->virtType == VIR_DOMAIN_VIRT_KVM ||
def->cpu->mode != VIR_CPU_MODE_CUSTOM) &&
def->cpu->mode != VIR_CPU_MODE_HOST_PASSTHROUGH);
if (!(caps = virQEMUDriverGetCapabilities(driver, false)))
goto cleanup;
host = caps->host.cpu;
if (!host ||
!host->model ||
(ncpus = virQEMUCapsGetCPUDefinitions(qemuCaps, &cpus)) == 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("CPU specification not supported by hypervisor"));
goto cleanup;
}
if (!(cpu = virCPUDefCopy(def->cpu)))
goto cleanup;
if (cpu->mode == VIR_CPU_MODE_HOST_MODEL &&
!migrating &&
cpuUpdate(cpu, host) < 0)
goto cleanup;
/* For non-KVM, CPU features are emulated, so host compat doesn't matter */
if (compareAgainstHost) {
bool noTSX = false;
cmp = cpuGuestData(host, cpu, &data, &compare_msg);
switch (cmp) {
case VIR_CPU_COMPARE_INCOMPATIBLE:
if (cpuEncode(host->arch, host, NULL, &hostData,
NULL, NULL, NULL, NULL) == 0 &&
(!cpuHasFeature(hostData, "hle") ||
!cpuHasFeature(hostData, "rtm")) &&
(STREQ_NULLABLE(cpu->model, "Haswell") ||
STREQ_NULLABLE(cpu->model, "Broadwell")))
noTSX = true;
if (compare_msg) {
if (noTSX) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("guest and host CPU are not compatible: "
"%s; try using '%s-noTSX' CPU model"),
compare_msg, cpu->model);
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("guest and host CPU are not compatible: "
"%s"),
compare_msg);
}
} else {
if (noTSX) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("guest CPU is not compatible with host "
"CPU; try using '%s-noTSX' CPU model"),
cpu->model);
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("guest CPU is not compatible with host "
"CPU"));
}
}
/* fall through */
case VIR_CPU_COMPARE_ERROR:
goto cleanup;
default:
break;
}
}
/* Only 'svm' requires --enable-nesting. The nested
* 'vmx' patches now simply hook off the CPU features
*/
if ((def->os.arch == VIR_ARCH_X86_64 || def->os.arch == VIR_ARCH_I686) &&
compareAgainstHost) {
int hasSVM = cpuHasFeature(data, "svm");
if (hasSVM < 0)
goto cleanup;
*hasHwVirt = hasSVM > 0 ? true : false;
}
if ((cpu->mode == VIR_CPU_MODE_HOST_PASSTHROUGH) ||
((cpu->mode == VIR_CPU_MODE_HOST_MODEL) &&
ARCH_IS_PPC64(def->os.arch))) {
const char *mode = virCPUModeTypeToString(cpu->mode);
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CPU_HOST)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("CPU mode '%s' is not supported by QEMU"
" binary"), mode);
goto cleanup;
}
if (def->virtType != VIR_DOMAIN_VIRT_KVM) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("CPU mode '%s' is only supported with kvm"),
mode);
goto cleanup;
}
virBufferAddLit(buf, "host");
if (def->os.arch == VIR_ARCH_ARMV7L &&
host->arch == VIR_ARCH_AARCH64) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CPU_AARCH64_OFF)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("QEMU binary does not support CPU "
"host-passthrough for armv7l on "
"aarch64 host"));
goto cleanup;
}
virBufferAddLit(buf, ",aarch64=off");
}
if (ARCH_IS_PPC64(def->os.arch) &&
cpu->mode == VIR_CPU_MODE_HOST_MODEL &&
def->cpu->model != NULL) {
virBufferAsprintf(buf, ",compat=%s", def->cpu->model);
} else {
featCpu = cpu;
}
} else {
if (VIR_ALLOC(guest) < 0)
goto cleanup;
if (VIR_STRDUP(guest->vendor_id, cpu->vendor_id) < 0)
goto cleanup;
if (compareAgainstHost) {
guest->arch = host->arch;
if (cpu->match == VIR_CPU_MATCH_MINIMUM)
preferred = host->model;
else
preferred = cpu->model;
guest->type = VIR_CPU_TYPE_GUEST;
guest->fallback = cpu->fallback;
if (cpuDecode(guest, data,
(const char **)cpus, ncpus, preferred) < 0)
goto cleanup;
} else {
guest->arch = def->os.arch;
if (VIR_STRDUP(guest->model, cpu->model) < 0)
goto cleanup;
}
virBufferAdd(buf, guest->model, -1);
if (guest->vendor_id)
virBufferAsprintf(buf, ",vendor=%s", guest->vendor_id);
featCpu = guest;
}
if (featCpu) {
for (i = 0; i < featCpu->nfeatures; i++) {
char sign;
if (featCpu->features[i].policy == VIR_CPU_FEATURE_DISABLE)
sign = '-';
else
sign = '+';
virBufferAsprintf(buf, ",%c%s", sign, featCpu->features[i].name);
}
}
ret = 0;
cleanup:
virObjectUnref(caps);
VIR_FREE(compare_msg);
cpuDataFree(data);
cpuDataFree(hostData);
virCPUDefFree(guest);
virCPUDefFree(cpu);
return ret;
}
static int
qemuBuildCpuArgStr(virQEMUDriverPtr driver,
const virDomainDef *def,
const char *emulator,
virQEMUCapsPtr qemuCaps,
virArch hostarch,
char **opt,
bool *hasHwVirt,
bool migrating)
{
const char *default_model;
bool have_cpu = false;
int ret = -1;
virBuffer buf = VIR_BUFFER_INITIALIZER;
size_t i;
*hasHwVirt = false;
if (def->os.arch == VIR_ARCH_I686)
default_model = "qemu32";
else
default_model = "qemu64";
if (def->cpu &&
(def->cpu->mode != VIR_CPU_MODE_CUSTOM || def->cpu->model)) {
if (qemuBuildCpuModelArgStr(driver, def, &buf, qemuCaps,
hasHwVirt, migrating) < 0)
goto cleanup;
have_cpu = true;
} 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 (def->os.arch == VIR_ARCH_I686 &&
((hostarch == VIR_ARCH_X86_64 &&
strstr(emulator, "kvm")) ||
strstr(emulator, "x86_64"))) {
virBufferAdd(&buf, default_model, -1);
have_cpu = true;
}
}
/* Handle paravirtual timers */
for (i = 0; i < def->clock.ntimers; i++) {
virDomainTimerDefPtr timer = def->clock.timers[i];
if (timer->present == -1)
continue;
if (timer->name == VIR_DOMAIN_TIMER_NAME_KVMCLOCK) {
virBufferAsprintf(&buf, "%s,%ckvmclock",
have_cpu ? "" : default_model,
timer->present ? '+' : '-');
have_cpu = true;
} else if (timer->name == VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK &&
timer->present) {
virBufferAsprintf(&buf, "%s,hv_time",
have_cpu ? "" : default_model);
have_cpu = true;
}
}
if (def->apic_eoi) {
char sign;
if (def->apic_eoi == VIR_TRISTATE_SWITCH_ON)
sign = '+';
else
sign = '-';
virBufferAsprintf(&buf, "%s,%ckvm_pv_eoi",
have_cpu ? "" : default_model,
sign);
have_cpu = true;
}
if (def->features[VIR_DOMAIN_FEATURE_PVSPINLOCK]) {
char sign;
if (def->features[VIR_DOMAIN_FEATURE_PVSPINLOCK] == VIR_TRISTATE_SWITCH_ON)
sign = '+';
else
sign = '-';
virBufferAsprintf(&buf, "%s,%ckvm_pv_unhalt",
have_cpu ? "" : default_model,
sign);
have_cpu = true;
}
if (def->features[VIR_DOMAIN_FEATURE_HYPERV] == VIR_TRISTATE_SWITCH_ON) {
if (!have_cpu) {
virBufferAdd(&buf, default_model, -1);
have_cpu = true;
}
for (i = 0; i < VIR_DOMAIN_HYPERV_LAST; i++) {
switch ((virDomainHyperv) i) {
case VIR_DOMAIN_HYPERV_RELAXED:
case VIR_DOMAIN_HYPERV_VAPIC:
if (def->hyperv_features[i] == VIR_TRISTATE_SWITCH_ON)
virBufferAsprintf(&buf, ",hv_%s",
virDomainHypervTypeToString(i));
break;
case VIR_DOMAIN_HYPERV_SPINLOCKS:
if (def->hyperv_features[i] == VIR_TRISTATE_SWITCH_ON)
virBufferAsprintf(&buf, ",hv_spinlocks=0x%x",
def->hyperv_spinlocks);
break;
/* coverity[dead_error_begin] */
case VIR_DOMAIN_HYPERV_LAST:
break;
}
}
}
if (def->features[VIR_DOMAIN_FEATURE_KVM] == VIR_TRISTATE_SWITCH_ON) {
if (!have_cpu) {
virBufferAdd(&buf, default_model, -1);
have_cpu = true;
}
for (i = 0; i < VIR_DOMAIN_KVM_LAST; i++) {
switch ((virDomainKVM) i) {
case VIR_DOMAIN_KVM_HIDDEN:
if (def->kvm_features[i] == VIR_TRISTATE_SWITCH_ON)
virBufferAddLit(&buf, ",kvm=off");
break;
/* coverity[dead_error_begin] */
case VIR_DOMAIN_KVM_LAST:
break;
}
}
}
if (def->features[VIR_DOMAIN_FEATURE_PMU]) {
virTristateSwitch pmu = def->features[VIR_DOMAIN_FEATURE_PMU];
if (!have_cpu)
virBufferAdd(&buf, default_model, -1);
virBufferAsprintf(&buf, ",pmu=%s",
virTristateSwitchTypeToString(pmu));
have_cpu = true;
}
if (def->features[VIR_DOMAIN_FEATURE_GIC] == VIR_TRISTATE_SWITCH_ON) {
if (def->gic_version && def->gic_version != 2) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("gic version '%u' is not supported"),
def->gic_version);
goto cleanup;
}
/* There's no command line argument currently to turn on/off GIC. It's
* done automatically by qemu-system-aarch64. But if this changes, lets
* put the code here. */
}
if (virBufferCheckError(&buf) < 0)
goto cleanup;
*opt = virBufferContentAndReset(&buf);
ret = 0;
cleanup:
return ret;
}
static int
qemuBuildObsoleteAccelArg(virCommandPtr cmd,
const virDomainDef *def,
virQEMUCapsPtr qemuCaps)
{
bool disableKQEMU = false;
bool enableKQEMU = false;
bool disableKVM = false;
bool enableKVM = false;
switch (def->virtType) {
case VIR_DOMAIN_VIRT_QEMU:
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KQEMU))
disableKQEMU = true;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM))
disableKVM = true;
break;
case VIR_DOMAIN_VIRT_KQEMU:
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM))
disableKVM = true;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_ENABLE_KQEMU)) {
enableKQEMU = true;
} else if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_KQEMU)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("the QEMU binary does not support kqemu"));
return -1;
}
break;
case VIR_DOMAIN_VIRT_KVM:
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KQEMU))
disableKQEMU = true;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_ENABLE_KVM)) {
enableKVM = true;
} else if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("the QEMU binary does not support kvm"));
return -1;
}
break;
case VIR_DOMAIN_VIRT_XEN:
/* XXX better check for xenner */
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("the QEMU binary does not support %s"),
virDomainVirtTypeToString(def->virtType));
return -1;
}
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");
return 0;
}
static bool
qemuAppendKeyWrapMachineParm(virBuffer *buf, virQEMUCapsPtr qemuCaps,
int flag, const char *pname, int pstate)
{
if (pstate != VIR_TRISTATE_SWITCH_ABSENT) {
if (!virQEMUCapsGet(qemuCaps, flag)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("%s is not available with this QEMU binary"), pname);
return false;
}
virBufferAsprintf(buf, ",%s=%s", pname,
virTristateSwitchTypeToString(pstate));
}
return true;
}
static bool
qemuAppendKeyWrapMachineParms(virBuffer *buf, virQEMUCapsPtr qemuCaps,
const virDomainKeyWrapDef *keywrap)
{
if (!qemuAppendKeyWrapMachineParm(buf, qemuCaps, QEMU_CAPS_AES_KEY_WRAP,
"aes-key-wrap", keywrap->aes))
return false;
if (!qemuAppendKeyWrapMachineParm(buf, qemuCaps, QEMU_CAPS_DEA_KEY_WRAP,
"dea-key-wrap", keywrap->dea))
return false;
return true;
}
static int
qemuBuildMachineArgStr(virCommandPtr cmd,
const virDomainDef *def,
virQEMUCapsPtr qemuCaps)
{
bool obsoleteAccel = false;
/* 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)
return 0;
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_OPT)) {
/* if no parameter to the machine type is needed, we still use
* '-M' to keep the most of the compatibility with older versions.
*/
virCommandAddArgList(cmd, "-M", def->os.machine, NULL);
if (def->mem.dump_core) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("dump-guest-core is not available "
"with this QEMU binary"));
return -1;
}
if (def->mem.nosharepages) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disable shared memory is not available "
"with this QEMU binary"));
return -1;
}
obsoleteAccel = true;
if (def->keywrap) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("key wrap support is not available "
"with this QEMU binary"));
return -1;
}
} else {
virBuffer buf = VIR_BUFFER_INITIALIZER;
virTristateSwitch vmport = def->features[VIR_DOMAIN_FEATURE_VMPORT];
virCommandAddArg(cmd, "-machine");
virBufferAdd(&buf, def->os.machine, -1);
if (def->virtType == VIR_DOMAIN_VIRT_QEMU)
virBufferAddLit(&buf, ",accel=tcg");
else if (def->virtType == VIR_DOMAIN_VIRT_KVM)
virBufferAddLit(&buf, ",accel=kvm");
else
obsoleteAccel = true;
/* To avoid the collision of creating USB controllers when calling
* machine->init in QEMU, it needs to set usb=off
*/
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MACHINE_USB_OPT))
virBufferAddLit(&buf, ",usb=off");
if (vmport) {
if (!virQEMUCapsSupportsVmport(qemuCaps, def)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("vmport is not available "
"with this QEMU binary"));
virBufferFreeAndReset(&buf);
return -1;
}
virBufferAsprintf(&buf, ",vmport=%s",
virTristateSwitchTypeToString(vmport));
}
if (def->mem.dump_core) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DUMP_GUEST_CORE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("dump-guest-core is not available "
"with this QEMU binary"));
virBufferFreeAndReset(&buf);
return -1;
}
virBufferAsprintf(&buf, ",dump-guest-core=%s",
virTristateSwitchTypeToString(def->mem.dump_core));
}
if (def->mem.nosharepages) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MEM_MERGE)) {
virBufferAddLit(&buf, ",mem-merge=off");
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disable shared memory is not available "
"with this QEMU binary"));
virBufferFreeAndReset(&buf);
return -1;
}
}
if (def->keywrap &&
!qemuAppendKeyWrapMachineParms(&buf, qemuCaps, def->keywrap)) {
virBufferFreeAndReset(&buf);
return -1;
}
virCommandAddArgBuffer(cmd, &buf);
}
if (obsoleteAccel &&
qemuBuildObsoleteAccelArg(cmd, def, qemuCaps) < 0)
return -1;
return 0;
}
static char *
qemuBuildSmpArgStr(const virDomainDef *def,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
virBufferAsprintf(&buf, "%u", def->vcpus);
if (virQEMUCapsGet(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 */
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("setting current vcpu count less than maximum is "
"not supported with this QEMU binary"));
return NULL;
}
if (virBufferCheckError(&buf) < 0)
return NULL;
return virBufferContentAndReset(&buf);
}
static int
qemuBuildNumaArgStr(virQEMUDriverConfigPtr cfg,
virDomainDefPtr def,
virCommandPtr cmd,
virQEMUCapsPtr qemuCaps,
virBitmapPtr auto_nodeset)
{
size_t i;
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *cpumask = NULL, *tmpmask = NULL, *next = NULL;
char **nodeBackends = NULL;
bool needBackend = false;
int rc;
int ret = -1;
size_t ncells = virDomainNumaGetNodeCount(def->numa);
const long system_page_size = virGetSystemPageSizeKB();
if (virDomainNumatuneHasPerNodeBinding(def->numa) &&
!(virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_RAM) ||
virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE))) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Per-node memory binding is not supported "
"with this QEMU"));
goto cleanup;
}
if (def->mem.nhugepages &&
def->mem.hugepages[0].size != system_page_size &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("huge pages per NUMA node are not "
"supported with this QEMU"));
goto cleanup;
}
if (!virDomainNumatuneNodesetIsAvailable(def->numa, auto_nodeset))
goto cleanup;
for (i = 0; i < def->mem.nhugepages; i++) {
ssize_t next_bit, pos = 0;
if (!def->mem.hugepages[i].nodemask) {
/* This is the master hugepage to use. Skip it as it has no
* nodemask anyway. */
continue;
}
if (ncells) {
/* Fortunately, we allow only guest NUMA nodes to be continuous
* starting from zero. */
pos = ncells - 1;
}
next_bit = virBitmapNextSetBit(def->mem.hugepages[i].nodemask, pos);
if (next_bit >= 0) {
virReportError(VIR_ERR_XML_DETAIL,
_("hugepages: node %zd not found"),
next_bit);
goto cleanup;
}
}
if (VIR_ALLOC_N(nodeBackends, ncells) < 0)
goto cleanup;
/* using of -numa memdev= cannot be combined with -numa mem=, thus we
* need to check which approach to use */
for (i = 0; i < ncells; i++) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_RAM) ||
virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE)) {
if ((rc = qemuBuildMemoryCellBackendStr(def, qemuCaps, cfg, i,
auto_nodeset,
&nodeBackends[i])) < 0)
goto cleanup;
if (rc == 0)
needBackend = true;
} else {
if (virDomainNumaGetNodeMemoryAccessMode(def->numa, i)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Shared memory mapping is not supported "
"with this QEMU"));
goto cleanup;
}
}
}
for (i = 0; i < ncells; i++) {
VIR_FREE(cpumask);
if (!(cpumask = virBitmapFormat(virDomainNumaGetNodeCpumask(def->numa, i))))
goto cleanup;
if (strchr(cpumask, ',') &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_NUMA)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("disjoint NUMA cpu ranges are not supported "
"with this QEMU"));
goto cleanup;
}
if (needBackend)
virCommandAddArgList(cmd, "-object", nodeBackends[i], NULL);
virCommandAddArg(cmd, "-numa");
virBufferAsprintf(&buf, "node,nodeid=%zu", i);
for (tmpmask = cpumask; tmpmask; tmpmask = next) {
if ((next = strchr(tmpmask, ',')))
*(next++) = '\0';
virBufferAddLit(&buf, ",cpus=");
virBufferAdd(&buf, tmpmask, -1);
}
if (needBackend)
virBufferAsprintf(&buf, ",memdev=ram-node%zu", i);
else
virBufferAsprintf(&buf, ",mem=%llu",
virDomainNumaGetNodeMemorySize(def->numa, i) / 1024);
virCommandAddArgBuffer(cmd, &buf);
}
ret = 0;
cleanup:
VIR_FREE(cpumask);
if (nodeBackends) {
for (i = 0; i < ncells; i++)
VIR_FREE(nodeBackends[i]);
VIR_FREE(nodeBackends);
}
virBufferFreeAndReset(&buf);
return ret;
}
static int
qemuBuildGraphicsVNCCommandLine(virQEMUDriverConfigPtr cfg,
virCommandPtr cmd,
virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainGraphicsDefPtr graphics)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *listenNetwork;
const char *listenAddr = NULL;
char *netAddr = NULL;
bool escapeAddr;
int ret;
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("vnc graphics are not supported with this QEMU"));
goto error;
}
if (graphics->data.vnc.socket || cfg->vncAutoUnixSocket) {
if (!graphics->data.vnc.socket &&
virAsprintf(&graphics->data.vnc.socket,
"%s/%s.vnc", cfg->libDir, def->name) == -1)
goto error;
virBufferAsprintf(&opt, "unix:%s", graphics->data.vnc.socket);
} else {
if (!graphics->data.vnc.autoport &&
(graphics->data.vnc.port < 5900 ||
graphics->data.vnc.port > 65535)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("vnc port must be in range [5900,65535]"));
goto error;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_COLON)) {
switch (virDomainGraphicsListenGetType(graphics, 0)) {
case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
listenAddr = virDomainGraphicsListenGetAddress(graphics, 0);
break;
case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
listenNetwork = virDomainGraphicsListenGetNetwork(graphics, 0);
if (!listenNetwork)
break;
ret = networkGetNetworkAddress(listenNetwork, &netAddr);
if (ret <= -2) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("network-based listen not possible, "
"network driver not present"));
goto error;
}
if (ret < 0)
goto error;
listenAddr = netAddr;
/* store the address we found in the <graphics> element so it
* will show up in status. */
if (virDomainGraphicsListenSetAddress(graphics, 0,
listenAddr, -1, false) < 0)
goto error;
break;
}
if (!listenAddr)
listenAddr = cfg->vncListen;
escapeAddr = strchr(listenAddr, ':') != NULL;
if (escapeAddr)
virBufferAsprintf(&opt, "[%s]", listenAddr);
else
virBufferAdd(&opt, listenAddr, -1);
virBufferAsprintf(&opt, ":%d",
graphics->data.vnc.port - 5900);
VIR_FREE(netAddr);
} else {
virBufferAsprintf(&opt, "%d",
graphics->data.vnc.port - 5900);
}
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_COLON)) {
if (!graphics->data.vnc.socket &&
graphics->data.vnc.websocket) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_WEBSOCKET)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("VNC WebSockets are not supported "
"with this QEMU binary"));
goto error;
}
virBufferAsprintf(&opt, ",websocket=%d", graphics->data.vnc.websocket);
}
if (graphics->data.vnc.sharePolicy) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VNC_SHARE_POLICY)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("vnc display sharing policy is not "
"supported with this QEMU"));
goto error;
}
virBufferAsprintf(&opt, ",share=%s",
virDomainGraphicsVNCSharePolicyTypeToString(
graphics->data.vnc.sharePolicy));
}
if (graphics->data.vnc.auth.passwd || cfg->vncPassword)
virBufferAddLit(&opt, ",password");
if (cfg->vncTLS) {
virBufferAddLit(&opt, ",tls");
if (cfg->vncTLSx509verify)
virBufferAsprintf(&opt, ",x509verify=%s", cfg->vncTLSx509certdir);
else
virBufferAsprintf(&opt, ",x509=%s", cfg->vncTLSx509certdir);
}
if (cfg->vncSASL) {
virBufferAddLit(&opt, ",sasl");
if (cfg->vncSASLdir)
virCommandAddEnvPair(cmd, "SASL_CONF_PATH", cfg->vncSASLdir);
/* TODO: Support ACLs later */
}
}
virCommandAddArg(cmd, "-vnc");
virCommandAddArgBuffer(cmd, &opt);
if (graphics->data.vnc.keymap)
virCommandAddArgList(cmd, "-k", graphics->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 (cfg->vncAllowHostAudio)
virCommandAddEnvPassBlockSUID(cmd, "QEMU_AUDIO_DRV", NULL);
else
virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=none");
return 0;
error:
VIR_FREE(netAddr);
virBufferFreeAndReset(&opt);
return -1;
}
static int
qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
virCommandPtr cmd,
virQEMUCapsPtr qemuCaps,
virDomainGraphicsDefPtr graphics)
{
virBuffer opt = VIR_BUFFER_INITIALIZER;
const char *listenNetwork;
const char *listenAddr = NULL;
char *netAddr = NULL;
int ret;
int defaultMode = graphics->data.spice.defaultMode;
int port = graphics->data.spice.port;
int tlsPort = graphics->data.spice.tlsPort;
size_t i;
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPICE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spice graphics are not supported with this QEMU"));
goto error;
}
if (port > 0 || tlsPort <= 0)
virBufferAsprintf(&opt, "port=%u", port);
if (tlsPort > 0) {
if (!cfg->spiceTLS) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spice TLS port set in XML configuration,"
" but TLS is disabled in qemu.conf"));
goto error;
}
if (port > 0)
virBufferAddChar(&opt, ',');
virBufferAsprintf(&opt, "tls-port=%u", tlsPort);
}
if (cfg->spiceSASL) {
virBufferAddLit(&opt, ",sasl");
if (cfg->spiceSASLdir)
virCommandAddEnvPair(cmd, "SASL_CONF_PATH",
cfg->spiceSASLdir);
/* TODO: Support ACLs later */
}
switch (virDomainGraphicsListenGetType(graphics, 0)) {
case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_ADDRESS:
listenAddr = virDomainGraphicsListenGetAddress(graphics, 0);
break;
case VIR_DOMAIN_GRAPHICS_LISTEN_TYPE_NETWORK:
listenNetwork = virDomainGraphicsListenGetNetwork(graphics, 0);
if (!listenNetwork)
break;
ret = networkGetNetworkAddress(listenNetwork, &netAddr);
if (ret <= -2) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("network-based listen not possible, "
"network driver not present"));
goto error;
}
if (ret < 0)
goto error;
listenAddr = netAddr;
/* store the address we found in the <graphics> element so it will
* show up in status. */
if (virDomainGraphicsListenSetAddress(graphics, 0,
listenAddr, -1, false) < 0)
goto error;
break;
}
if (!listenAddr)
listenAddr = cfg->spiceListen;
if (listenAddr)
virBufferAsprintf(&opt, ",addr=%s", listenAddr);
VIR_FREE(netAddr);
if (graphics->data.spice.mousemode) {
switch (graphics->data.spice.mousemode) {
case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_SERVER:
virBufferAddLit(&opt, ",agent-mouse=off");
break;
case VIR_DOMAIN_GRAPHICS_SPICE_MOUSE_MODE_CLIENT:
virBufferAddLit(&opt, ",agent-mouse=on");
break;
default:
break;
}
}
/* 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 (!graphics->data.spice.auth.passwd &&
!cfg->spicePassword)
virBufferAddLit(&opt, ",disable-ticketing");
if (tlsPort > 0)
virBufferAsprintf(&opt, ",x509-dir=%s", cfg->spiceTLSx509certdir);
switch (defaultMode) {
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
virBufferAddLit(&opt, ",tls-channel=default");
break;
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE:
virBufferAddLit(&opt, ",plaintext-channel=default");
break;
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY:
/* nothing */
break;
}
for (i = 0; i < VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_LAST; i++) {
switch (graphics->data.spice.channels[i]) {
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
if (tlsPort <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spice secure channels set in XML configuration, "
"but TLS port is not provided"));
goto error;
}
virBufferAsprintf(&opt, ",tls-channel=%s",
virDomainGraphicsSpiceChannelNameTypeToString(i));
break;
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE:
if (port <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spice insecure channels set in XML "
"configuration, but plain port is not provided"));
goto error;
}
virBufferAsprintf(&opt, ",plaintext-channel=%s",
virDomainGraphicsSpiceChannelNameTypeToString(i));
break;
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY:
switch (defaultMode) {
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_SECURE:
if (tlsPort <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spice defaultMode secure requested in XML "
"configuration but TLS port not provided"));
goto error;
}
break;
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_INSECURE:
if (port <= 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("spice defaultMode insecure requested in XML "
"configuration but plain port not provided"));
goto error;
}
break;
case VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY:
/* don't care */
break;
}
}
}
if (graphics->data.spice.image)
virBufferAsprintf(&opt, ",image-compression=%s",
virDomainGraphicsSpiceImageCompressionTypeToString(graphics->data.spice.image));
if (graphics->data.spice.jpeg)
virBufferAsprintf(&opt, ",jpeg-wan-compression=%s",
virDomainGraphicsSpiceJpegCompressionTypeToString(graphics->data.spice.jpeg));
if (graphics->data.spice.zlib)
virBufferAsprintf(&opt, ",zlib-glz-wan-compression=%s",
virDomainGraphicsSpiceZlibCompressionTypeToString(graphics->data.spice.zlib));
if (graphics->data.spice.playback)
virBufferAsprintf(&opt, ",playback-compression=%s",
virTristateSwitchTypeToString(graphics->data.spice.playback));
if (graphics->data.spice.streaming)
virBufferAsprintf(&opt, ",streaming-video=%s",
virDomainGraphicsSpiceStreamingModeTypeToString(graphics->data.spice.streaming));
if (graphics->data.spice.copypaste == VIR_TRISTATE_BOOL_NO)
virBufferAddLit(&opt, ",disable-copy-paste");
if (graphics->data.spice.filetransfer == VIR_TRISTATE_BOOL_NO) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPICE_FILE_XFER_DISABLE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU can't disable file transfers through spice"));
goto error;
} else {
virBufferAddLit(&opt, ",disable-agent-file-xfer");
}
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SEAMLESS_MIGRATION)) {
/* If qemu supports seamless migration turn it
* unconditionally on. If migration destination
* doesn't support it, it fallbacks to previous
* migration algorithm silently. */
virBufferAddLit(&opt, ",seamless-migration=on");
}
virCommandAddArg(cmd, "-spice");
virCommandAddArgBuffer(cmd, &opt);
if (graphics->data.spice.keymap)
virCommandAddArgList(cmd, "-k",
graphics->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");
return 0;
error:
VIR_FREE(netAddr);
virBufferFreeAndReset(&opt);
return -1;
}
static int
qemuBuildGraphicsCommandLine(virQEMUDriverConfigPtr cfg,
virCommandPtr cmd,
virDomainDefPtr def,
virQEMUCapsPtr qemuCaps,
virDomainGraphicsDefPtr graphics)
{
switch ((virDomainGraphicsType) graphics->type) {
case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_0_10) &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SDL)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("sdl not supported by '%s'"), def->emulator);
return -1;
}
if (graphics->data.sdl.xauth)
virCommandAddEnvPair(cmd, "XAUTHORITY", graphics->data.sdl.xauth);
if (graphics->data.sdl.display)
virCommandAddEnvPair(cmd, "DISPLAY", graphics->data.sdl.display);
if (graphics->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
*/
virCommandAddEnvPassBlockSUID(cmd, "QEMU_AUDIO_DRV", NULL);
virCommandAddEnvPassBlockSUID(cmd, "SDL_AUDIODRIVER", NULL);
/* 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SDL))
virCommandAddArg(cmd, "-sdl");
break;
case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
return qemuBuildGraphicsVNCCommandLine(cfg, cmd, def, qemuCaps, graphics);
case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
return qemuBuildGraphicsSPICECommandLine(cfg, cmd, qemuCaps, graphics);
case VIR_DOMAIN_GRAPHICS_TYPE_RDP:
case VIR_DOMAIN_GRAPHICS_TYPE_DESKTOP:
case VIR_DOMAIN_GRAPHICS_TYPE_LAST:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported graphics type '%s'"),
virDomainGraphicsTypeToString(graphics->type));
return -1;
}
return 0;
}
static int
qemuBuildVhostuserCommandLine(virCommandPtr cmd,
virDomainDefPtr def,
virDomainNetDefPtr net,
virQEMUCapsPtr qemuCaps,
int bootindex)
{
virBuffer chardev_buf = VIR_BUFFER_INITIALIZER;
virBuffer netdev_buf = VIR_BUFFER_INITIALIZER;
unsigned int queues = net->driver.virtio.queues;
char *nic = NULL;
if (!qemuDomainSupportsNetdev(def, qemuCaps, net)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Netdev support unavailable"));
goto error;
}
switch ((virDomainChrType) net->data.vhostuser->type) {
case VIR_DOMAIN_CHR_TYPE_UNIX:
virBufferAsprintf(&chardev_buf, "socket,id=char%s,path=%s%s",
net->info.alias, net->data.vhostuser->data.nix.path,
net->data.vhostuser->data.nix.listen ? ",server" : "");
break;
case VIR_DOMAIN_CHR_TYPE_NULL:
case VIR_DOMAIN_CHR_TYPE_VC:
case VIR_DOMAIN_CHR_TYPE_PTY:
case VIR_DOMAIN_CHR_TYPE_DEV:
case VIR_DOMAIN_CHR_TYPE_FILE:
case VIR_DOMAIN_CHR_TYPE_PIPE:
case VIR_DOMAIN_CHR_TYPE_STDIO:
case VIR_DOMAIN_CHR_TYPE_UDP:
case VIR_DOMAIN_CHR_TYPE_TCP:
case VIR_DOMAIN_CHR_TYPE_SPICEVMC:
case VIR_DOMAIN_CHR_TYPE_SPICEPORT:
case VIR_DOMAIN_CHR_TYPE_NMDM:
case VIR_DOMAIN_CHR_TYPE_LAST:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("vhost-user type '%s' not supported"),
virDomainChrTypeToString(net->data.vhostuser->type));
goto error;
}
virBufferAsprintf(&netdev_buf, "type=vhost-user,id=host%s,chardev=char%s",
net->info.alias, net->info.alias);
if (queues > 1) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VHOSTUSER_MULTIQUEUE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("multi-queue is not supported for vhost-user "
"with this QEMU binary"));
goto error;
}
virBufferAsprintf(&netdev_buf, ",queues=%u", queues);
}
virCommandAddArg(cmd, "-chardev");
virCommandAddArgBuffer(cmd, &chardev_buf);
virCommandAddArg(cmd, "-netdev");
virCommandAddArgBuffer(cmd, &netdev_buf);
if (!(nic = qemuBuildNicDevStr(def, net, -1, bootindex,
queues, qemuCaps))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("Error generating NIC -device string"));
goto error;
}
virCommandAddArgList(cmd, "-device", nic, NULL);
VIR_FREE(nic);
return 0;
error:
virBufferFreeAndReset(&chardev_buf);
virBufferFreeAndReset(&netdev_buf);
VIR_FREE(nic);
return -1;
}
static int
qemuBuildInterfaceCommandLine(virCommandPtr cmd,
virQEMUDriverPtr driver,
virDomainDefPtr def,
virDomainNetDefPtr net,
virQEMUCapsPtr qemuCaps,
int vlan,
int bootindex,
virNetDevVPortProfileOp vmop,
bool standalone,
size_t *nnicindexes,
int **nicindexes)
{
int ret = -1;
char *nic = NULL, *host = NULL;
int *tapfd = NULL;
size_t tapfdSize = 0;
int *vhostfd = NULL;
size_t vhostfdSize = 0;
char **tapfdName = NULL;
char **vhostfdName = NULL;
int actualType = virDomainNetGetActualType(net);
virQEMUDriverConfigPtr cfg = NULL;
virNetDevBandwidthPtr actualBandwidth;
size_t i;
if (!bootindex)
bootindex = net->info.bootIndex;
if (actualType == VIR_DOMAIN_NET_TYPE_VHOSTUSER)
return qemuBuildVhostuserCommandLine(cmd, def, net, qemuCaps, bootindex);
if (actualType == VIR_DOMAIN_NET_TYPE_HOSTDEV) {
/* NET_TYPE_HOSTDEV devices are really hostdev devices, so
* their commandlines are constructed with other hostdevs.
*/
return 0;
}
/* Currently nothing besides TAP devices supports multiqueue. */
if (net->driver.virtio.queues > 0 &&
!(actualType == VIR_DOMAIN_NET_TYPE_NETWORK ||
actualType == VIR_DOMAIN_NET_TYPE_BRIDGE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Multiqueue network is not supported for: %s"),
virDomainNetTypeToString(actualType));
return -1;
}
if (net->backend.tap &&
!(actualType == VIR_DOMAIN_NET_TYPE_NETWORK ||
actualType == VIR_DOMAIN_NET_TYPE_BRIDGE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Custom tap device path is not supported for: %s"),
virDomainNetTypeToString(actualType));
return -1;
}
cfg = virQEMUDriverGetConfig(driver);
if (actualType == VIR_DOMAIN_NET_TYPE_NETWORK ||
actualType == VIR_DOMAIN_NET_TYPE_BRIDGE) {
tapfdSize = net->driver.virtio.queues;
if (!tapfdSize)
tapfdSize = 1;
if (VIR_ALLOC_N(tapfd, tapfdSize) < 0 ||
VIR_ALLOC_N(tapfdName, tapfdSize) < 0)
goto cleanup;
memset(tapfd, -1, tapfdSize * sizeof(tapfd[0]));
if (qemuNetworkIfaceConnect(def, driver, net,
qemuCaps, tapfd,
&tapfdSize) < 0)
goto cleanup;
} else if (actualType == VIR_DOMAIN_NET_TYPE_DIRECT) {
if (VIR_ALLOC(tapfd) < 0 || VIR_ALLOC(tapfdName) < 0)
goto cleanup;
tapfdSize = 1;
tapfd[0] = qemuPhysIfaceConnect(def, driver, net,
qemuCaps, vmop);
if (tapfd[0] < 0)
goto cleanup;
}
/* For types whose implementations use a netdev on the host, add
* an entry to nicindexes for passing on to systemd.
*/
switch ((virDomainNetType)actualType) {
case VIR_DOMAIN_NET_TYPE_ETHERNET:
case VIR_DOMAIN_NET_TYPE_NETWORK:
case VIR_DOMAIN_NET_TYPE_BRIDGE:
case VIR_DOMAIN_NET_TYPE_DIRECT:
{
int nicindex;
/* network and bridge use a tap device, and direct uses a
* macvtap device
*/
if (virQEMUDriverIsPrivileged(driver) && nicindexes && nnicindexes &&
net->ifname) {
if (virNetDevGetIndex(net->ifname, &nicindex) < 0 ||
VIR_APPEND_ELEMENT(*nicindexes, *nnicindexes, nicindex) < 0)
goto cleanup;
}
break;
}
case VIR_DOMAIN_NET_TYPE_USER:
case VIR_DOMAIN_NET_TYPE_VHOSTUSER:
case VIR_DOMAIN_NET_TYPE_SERVER:
case VIR_DOMAIN_NET_TYPE_CLIENT:
case VIR_DOMAIN_NET_TYPE_MCAST:
case VIR_DOMAIN_NET_TYPE_INTERNAL:
case VIR_DOMAIN_NET_TYPE_HOSTDEV:
case VIR_DOMAIN_NET_TYPE_LAST:
/* These types don't use a network device on the host, but
* instead use some other type of connection to the emulated
* device in the qemu process.
*
* (Note that hostdev can't be considered as "using a network
* device", because by the time it is being used, it has been
* detached from the hostside network driver so it doesn't show
* up in the list of interfaces on the host - it's just some
* PCI device.)
*/
break;
}
/* Set bandwidth or warn if requested and not supported. */
actualBandwidth = virDomainNetGetActualBandwidth(net);
if (actualBandwidth) {
if (virNetDevSupportBandwidth(actualType)) {
if (virNetDevBandwidthSet(net->ifname, actualBandwidth, false) < 0)
goto cleanup;
} else {
VIR_WARN("setting bandwidth on interfaces of "
"type '%s' is not implemented yet",
virDomainNetTypeToString(actualType));
}
}
if ((actualType == VIR_DOMAIN_NET_TYPE_NETWORK ||
actualType == VIR_DOMAIN_NET_TYPE_BRIDGE ||
actualType == VIR_DOMAIN_NET_TYPE_ETHERNET ||
actualType == VIR_DOMAIN_NET_TYPE_DIRECT) &&
!standalone) {
/* Attempt to use vhost-net mode for these types of
network device */
vhostfdSize = net->driver.virtio.queues;
if (!vhostfdSize)
vhostfdSize = 1;
if (VIR_ALLOC_N(vhostfd, vhostfdSize) < 0 ||
VIR_ALLOC_N(vhostfdName, vhostfdSize))
goto cleanup;
memset(vhostfd, -1, vhostfdSize * sizeof(vhostfd[0]));
if (qemuOpenVhostNet(def, net, qemuCaps, vhostfd, &vhostfdSize) < 0)
goto cleanup;
}
for (i = 0; i < tapfdSize; i++) {
if (virSecurityManagerSetTapFDLabel(driver->securityManager,
def, tapfd[i]) < 0)
goto cleanup;
virCommandPassFD(cmd, tapfd[i],
VIR_COMMAND_PASS_FD_CLOSE_PARENT);
if (virAsprintf(&tapfdName[i], "%d", tapfd[i]) < 0)
goto cleanup;
}
for (i = 0; i < vhostfdSize; i++) {
virCommandPassFD(cmd, vhostfd[i],
VIR_COMMAND_PASS_FD_CLOSE_PARENT);
if (virAsprintf(&vhostfdName[i], "%d", vhostfd[i]) < 0)
goto cleanup;
}
/* 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 (qemuDomainSupportsNetdev(def, qemuCaps, net)) {
if (!(host = qemuBuildHostNetStr(net, driver,
',', vlan,
tapfdName, tapfdSize,
vhostfdName, vhostfdSize)))
goto cleanup;
virCommandAddArgList(cmd, "-netdev", host, NULL);
}
if (qemuDomainSupportsNicdev(def, qemuCaps, net)) {
if (!(nic = qemuBuildNicDevStr(def, net, vlan, bootindex,
vhostfdSize, qemuCaps)))
goto cleanup;
virCommandAddArgList(cmd, "-device", nic, NULL);
} else {
if (!(nic = qemuBuildNicStr(net, "nic,", vlan)))
goto cleanup;
virCommandAddArgList(cmd, "-net", nic, NULL);
}
if (!qemuDomainSupportsNetdev(def, qemuCaps, net)) {
if (!(host = qemuBuildHostNetStr(net, driver,
',', vlan,
tapfdName, tapfdSize,
vhostfdName, vhostfdSize)))
goto cleanup;
virCommandAddArgList(cmd, "-net", host, NULL);
}
ret = 0;
cleanup:
if (ret < 0) {
virErrorPtr saved_err = virSaveLastError();
virDomainConfNWFilterTeardown(net);
virSetError(saved_err);
virFreeError(saved_err);
}
for (i = 0; tapfd && i < tapfdSize && tapfd[i] >= 0; i++) {
if (ret < 0)
VIR_FORCE_CLOSE(tapfd[i]);
if (tapfdName)
VIR_FREE(tapfdName[i]);
}
for (i = 0; vhostfd && i < vhostfdSize && vhostfd[i] >= 0; i++) {
if (ret < 0)
VIR_FORCE_CLOSE(vhostfd[i]);
if (vhostfdName)
VIR_FREE(vhostfdName[i]);
}
VIR_FREE(tapfd);
VIR_FREE(vhostfd);
VIR_FREE(nic);
VIR_FREE(host);
VIR_FREE(tapfdName);
VIR_FREE(vhostfdName);
virObjectUnref(cfg);
return ret;
}
static int
qemuBuildShmemDevCmd(virCommandPtr cmd,
virDomainDefPtr def,
virDomainShmemDefPtr shmem,
virQEMUCapsPtr qemuCaps)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_IVSHMEM)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("ivshmem device is not supported "
"with this QEMU binary"));
goto error;
}
virBufferAddLit(&buf, "ivshmem");
if (shmem->size) {
/*
* Thanks to our parsing code, we have a guarantee that the
* size is power of two and is at least a mebibyte in size.
* But because it may change in the future, the checks are
* doubled in here.
*/
if (shmem->size & (shmem->size - 1)) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("shmem size must be a power of two"));
goto error;
}
if (shmem->size < 1024 * 1024) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("shmem size must be at least 1 MiB (1024 KiB)"));
goto error;
}
virBufferAsprintf(&buf, ",size=%llum", shmem->size >> 20);
}
if (!shmem->server.enabled) {
virBufferAsprintf(&buf, ",shm=%s", shmem->name);
} else {
virBufferAsprintf(&buf, ",chardev=char%s", shmem->info.alias);
if (shmem->msi.enabled) {
virBufferAddLit(&buf, ",msi=on");
if (shmem->msi.vectors)
virBufferAsprintf(&buf, ",vectors=%u", shmem->msi.vectors);
if (shmem->msi.ioeventfd)
virBufferAsprintf(&buf, ",ioeventfd=%s",
virTristateSwitchTypeToString(shmem->msi.ioeventfd));
}
}
if (qemuBuildDeviceAddressStr(&buf, def, &shmem->info, qemuCaps) < 0)
goto error;
if (virBufferCheckError(&buf) < 0)
goto error;
virCommandAddArg(cmd, "-device");
virCommandAddArgBuffer(cmd, &buf);
return 0;
error:
virBufferFreeAndReset(&buf);
return -1;
}
static int
qemuBuildShmemCommandLine(virCommandPtr cmd,
virDomainDefPtr def,
virDomainShmemDefPtr shmem,
virQEMUCapsPtr qemuCaps)
{
if (qemuBuildShmemDevCmd(cmd, def, shmem, qemuCaps) < 0)
return -1;
if (shmem->server.enabled) {
char *devstr = NULL;
virDomainChrSourceDef source = {
.type = VIR_DOMAIN_CHR_TYPE_UNIX,
.data.nix = {
.path = shmem->server.path,
.listen = false,
}
};
if (!shmem->server.path &&
virAsprintf(&source.data.nix.path,
"/var/lib/libvirt/shmem-%s-sock",
shmem->name) < 0)
return -1;
devstr = qemuBuildChrChardevStr(&source, shmem->info.alias, qemuCaps);
if (!shmem->server.path)
VIR_FREE(source.data.nix.path);
if (!devstr)
return -1;
virCommandAddArg(cmd, "-chardev");
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
return 0;
}
static int
qemuBuildChrDeviceCommandLine(virCommandPtr cmd,
virDomainDefPtr def,
virDomainChrDefPtr chr,
virQEMUCapsPtr qemuCaps)
{
char *devstr = NULL;
if (qemuBuildChrDeviceStr(&devstr, def, chr, qemuCaps) < 0)
return -1;
virCommandAddArgList(cmd, "-device", devstr, NULL);
VIR_FREE(devstr);
return 0;
}
static int
qemuBuildDomainLoaderCommandLine(virCommandPtr cmd,
virDomainDefPtr def,
virQEMUCapsPtr qemuCaps)
{
int ret = -1;
virDomainLoaderDefPtr loader = def->os.loader;
virBuffer buf = VIR_BUFFER_INITIALIZER;
int unit = 0;
if (!loader)
return 0;
switch ((virDomainLoader) loader->type) {
case VIR_DOMAIN_LOADER_TYPE_ROM:
virCommandAddArg(cmd, "-bios");
virCommandAddArg(cmd, loader->path);
break;
case VIR_DOMAIN_LOADER_TYPE_PFLASH:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this QEMU binary doesn't support -drive"));
goto cleanup;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_FORMAT)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this QEMU binary doesn't support passing "
"drive format"));
goto cleanup;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_ACPI) &&
def->features[VIR_DOMAIN_FEATURE_ACPI] != VIR_TRISTATE_SWITCH_ON) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("ACPI must be enabled in order to use UEFI"));
goto cleanup;
}
virBufferAsprintf(&buf,
"file=%s,if=pflash,format=raw,unit=%d",
loader->path, unit);
unit++;
if (loader->readonly) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_READONLY)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("this qemu doesn't support passing "
"readonly attribute"));
goto cleanup;
}
virBufferAsprintf(&buf, ",readonly=%s",
virTristateSwitchTypeToString(loader->readonly));
}
virCommandAddArg(cmd, "-drive");
virCommandAddArgBuffer(cmd, &buf);
if (loader->nvram) {
virBufferFreeAndReset(&buf);
virBufferAsprintf(&buf,
"file=%s,if=pflash,format=raw,unit=%d",
loader->nvram, unit);
virCommandAddArg(cmd, "-drive");
virCommandAddArgBuffer(cmd, &buf);
}
break;
case VIR_DOMAIN_LOADER_TYPE_LAST:
/* nada */
break;
}
ret = 0;
cleanup:
virBufferFreeAndReset(&buf);
return ret;
}
static int
qemuBuildTPMCommandLine(virDomainDefPtr def,
virCommandPtr cmd,
virQEMUCapsPtr qemuCaps,
const char *emulator)
{
char *optstr;
int tpmfd = -1;
int cancelfd = -1;
char *fdset;
if (!(optstr = qemuBuildTPMBackendStr(def, cmd, qemuCaps, emulator,
&tpmfd, &cancelfd)))
return -1;
virCommandAddArgList(cmd, "-tpmdev", optstr, NULL);
VIR_FREE(optstr);
if (tpmfd >= 0) {
fdset = qemuVirCommandGetFDSet(cmd, tpmfd);
if (!fdset)
return -1;
virCommandAddArgList(cmd, "-add-fd", fdset, NULL);
VIR_FREE(fdset);
}
if (cancelfd >= 0) {
fdset = qemuVirCommandGetFDSet(cmd, cancelfd);
if (!fdset)
return -1;
virCommandAddArgList(cmd, "-add-fd", fdset, NULL);
VIR_FREE(fdset);
}
if (!(optstr = qemuBuildTPMDevStr(def, qemuCaps, emulator)))
return -1;
virCommandAddArgList(cmd, "-device", optstr, NULL);
VIR_FREE(optstr);
return 0;
}
qemuBuildCommandLineCallbacks buildCommandLineCallbacks = {
.qemuGetSCSIDeviceSgName = virSCSIDeviceGetSgName,
};
/*
* 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,
virQEMUDriverPtr driver,
virDomainDefPtr def,
virDomainChrSourceDefPtr monitor_chr,
bool monitor_json,
virQEMUCapsPtr qemuCaps,
const char *migrateFrom,
int migrateFd,
virDomainSnapshotObjPtr snapshot,
virNetDevVPortProfileOp vmop,
qemuBuildCommandLineCallbacksPtr callbacks,
bool standalone,
bool enableFips,
virBitmapPtr nodeset,
size_t *nnicindexes,
int **nicindexes)
{
virErrorPtr originalError = NULL;
size_t i, j;
const char *emulator;
char uuid[VIR_UUID_STRING_BUFLEN];
char *cpu;
char *smp;
int last_good_net = -1;
bool hasHwVirt = false;
virCommandPtr cmd = NULL;
bool allowReboot = true;
bool emitBootindex = false;
int sdl = 0;
int vnc = 0;
int spice = 0;
int usbcontroller = 0;
int actualSerials = 0;
bool usblegacy = false;
bool mlock = false;
int contOrder[] = {
/*
* List of controller types that we add commandline args for,
* *in the order we want to add them*.
*
* We don't add an explicit FD controller because the
* provided PIIX4 device already includes one. It isn't possible to
* remove the PIIX4.
*
* We don't add PCI/PCIe root controller either, because it's
* implicit, but we do add PCI bridges and other PCI
* controllers, so we leave that in to check each
* one. Likewise, we don't do anything for the primary IDE
* controller on an i440fx machine or primary SATA on q35, but
* we do add those beyond these two exceptions.
*/
VIR_DOMAIN_CONTROLLER_TYPE_PCI,
VIR_DOMAIN_CONTROLLER_TYPE_USB,
VIR_DOMAIN_CONTROLLER_TYPE_SCSI,
VIR_DOMAIN_CONTROLLER_TYPE_IDE,
VIR_DOMAIN_CONTROLLER_TYPE_SATA,
VIR_DOMAIN_CONTROLLER_TYPE_VIRTIO_SERIAL,
VIR_DOMAIN_CONTROLLER_TYPE_CCID,
};
virArch hostarch = virArchFromHost();
virQEMUDriverConfigPtr cfg = virQEMUDriverGetConfig(driver);
virBuffer boot_buf = VIR_BUFFER_INITIALIZER;
char *boot_order_str = NULL, *boot_opts_str = NULL;
VIR_DEBUG("conn=%p driver=%p def=%p mon=%p json=%d "
"qemuCaps=%p migrateFrom=%s migrateFD=%d "
"snapshot=%p vmop=%d",
conn, driver, def, monitor_chr, monitor_json,
qemuCaps, migrateFrom, migrateFd, snapshot, vmop);
virUUIDFormat(def->uuid, uuid);
emulator = def->emulator;
if (!virQEMUDriverIsPrivileged(driver)) {
/* If we have no cgroups then we can have no tunings that
* require them */
if (virMemoryLimitIsSet(def->mem.hard_limit) ||
virMemoryLimitIsSet(def->mem.soft_limit) ||
def->mem.min_guarantee ||
virMemoryLimitIsSet(def->mem.swap_hard_limit)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Memory tuning is not available in session mode"));
goto error;
}
if (def->blkio.weight) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Block I/O tuning is not available in session mode"));
goto error;
}
if (def->cputune.sharesSpecified || def->cputune.period ||
def->cputune.quota || def->cputune.emulator_period ||
def->cputune.emulator_quota) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("CPU tuning is not available in session mode"));
goto error;
}
}
for (i = 0; i < def->ngraphics; ++i) {
switch (def->graphics[i]->type) {
case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
++sdl;
break;
case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
++vnc;
break;
case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
++spice;
break;
}
}
/*
* do not use boot=on for drives when not using KVM since this
* is not supported at all in upstream QEmu.
*/
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM) &&
(def->virtType == VIR_DOMAIN_VIRT_QEMU))
virQEMUCapsClear(qemuCaps, QEMU_CAPS_DRIVE_BOOT);
cmd = virCommandNew(emulator);
virCommandAddEnvPassCommon(cmd);
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NAME)) {
virCommandAddArg(cmd, "-name");
if (cfg->setProcessName &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_NAME_PROCESS)) {
virCommandAddArgFormat(cmd, "%s,process=qemu:%s",
def->name, def->name);
} else {
virCommandAddArg(cmd, def->name);
}
}
if (!standalone)
virCommandAddArg(cmd, "-S"); /* freeze CPU */
if (enableFips)
virCommandAddArg(cmd, "-enable-fips");
if (qemuBuildMachineArgStr(cmd, def, qemuCaps) < 0)
goto error;
if (qemuBuildCpuArgStr(driver, def, emulator, qemuCaps,
hostarch, &cpu, &hasHwVirt, !!migrateFrom) < 0)
goto error;
if (cpu) {
virCommandAddArgList(cmd, "-cpu", cpu, NULL);
VIR_FREE(cpu);
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NESTING) &&
hasHwVirt)
virCommandAddArg(cmd, "-enable-nesting");
}
if (qemuBuildDomainLoaderCommandLine(cmd, def, qemuCaps) < 0)
goto error;
if (qemuDomainAlignMemorySizes(def) < 0)
goto error;
virCommandAddArg(cmd, "-m");
if (def->mem.max_memory) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PC_DIMM)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("memory hotplug isn't supported by this QEMU binary"));
goto error;
}
/* due to guest support, qemu would silently enable NUMA with one node
* once the memory hotplug backend is enabled. To avoid possible
* confusion we will enforce user originated numa configuration along
* with memory hotplug. */
if (virDomainNumaGetNodeCount(def->numa) == 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("At least one numa node has to be configured when "
"enabling memory hotplug"));
goto error;
}
/* Use the 'k' suffix to let qemu handle the units */
virCommandAddArgFormat(cmd, "size=%lluk,slots=%u,maxmem=%lluk",
virDomainDefGetMemoryInitial(def),
def->mem.memory_slots,
def->mem.max_memory);
} else {
virCommandAddArgFormat(cmd, "%llu", virDomainDefGetMemoryInitial(def) / 1024);
}
if (def->mem.nhugepages && !virDomainNumaGetNodeCount(def->numa)) {
const long system_page_size = virGetSystemPageSizeKB();
char *mem_path = NULL;
if (def->mem.hugepages[0].size == system_page_size) {
/* There is one special case: if user specified "huge"
* pages of regular system pages size. */
} else {
if (!cfg->nhugetlbfs) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("hugetlbfs filesystem is not mounted "
"or disabled by administrator config"));
goto error;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MEM_PATH)) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("hugepage backing not supported by '%s'"),
def->emulator);
goto error;
}
if (def->mem.hugepages[0].size) {
for (j = 0; j < cfg->nhugetlbfs; j++) {
if (cfg->hugetlbfs[j].size == def->mem.hugepages[0].size)
break;
}
if (j == cfg->nhugetlbfs) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Unable to find any usable hugetlbfs mount for %llu KiB"),
def->mem.hugepages[0].size);
goto error;
}
if (!(mem_path = qemuGetHugepagePath(&cfg->hugetlbfs[j])))
goto error;
} else {
if (!(mem_path = qemuGetDefaultHugepath(cfg->hugetlbfs,
cfg->nhugetlbfs)))
goto error;
}
}
virCommandAddArg(cmd, "-mem-prealloc");
if (mem_path)
virCommandAddArgList(cmd, "-mem-path", mem_path, NULL);
VIR_FREE(mem_path);
}
if (def->mem.locked && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_MLOCK)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("memory locking not supported by QEMU binary"));
goto error;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MLOCK)) {
virCommandAddArg(cmd, "-realtime");
virCommandAddArgFormat(cmd, "mlock=%s",
def->mem.locked ? "on" : "off");
}
mlock = def->mem.locked;
virCommandAddArg(cmd, "-smp");
if (!(smp = qemuBuildSmpArgStr(def, qemuCaps)))
goto error;
virCommandAddArg(cmd, smp);
VIR_FREE(smp);
if (def->iothreads > 0 &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_IOTHREAD)) {
/* Create iothread objects using the defined iothreadids list
* and the defined id and name from the list. These may be used
* by a disk definition which will associate to an iothread by
* supplying a value of an id from the list
*/
for (i = 0; i < def->niothreadids; i++) {
virCommandAddArg(cmd, "-object");
virCommandAddArgFormat(cmd, "iothread,id=iothread%u",
def->iothreadids[i]->iothread_id);
}
}
if (virDomainNumaGetNodeCount(def->numa)) {
if (qemuBuildNumaArgStr(cfg, def, cmd, qemuCaps, nodeset) < 0)
goto error;
/* memory hotplug requires NUMA to be enabled - we already checked
* that memory devices are present only when NUMA is */
if (def->nmems > def->mem.memory_slots) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("memory device count '%zu' exceeds slots count '%u'"),
def->nmems, def->mem.memory_slots);
goto error;
}
for (i = 0; i < def->nmems; i++) {
char *backStr;
char *dimmStr;
if (!(backStr = qemuBuildMemoryDimmBackendStr(def->mems[i], def,
qemuCaps, cfg)))
goto error;
if (!(dimmStr = qemuBuildMemoryDeviceStr(def->mems[i], def, qemuCaps))) {
VIR_FREE(backStr);
goto error;
}
virCommandAddArgList(cmd, "-object", backStr, "-device", dimmStr, NULL);
VIR_FREE(backStr);
VIR_FREE(dimmStr);
}
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_UUID))
virCommandAddArgList(cmd, "-uuid", uuid, NULL);
if (def->virtType == VIR_DOMAIN_VIRT_XEN ||
def->os.type == VIR_DOMAIN_OSTYPE_XEN ||
def->os.type == VIR_DOMAIN_OSTYPE_LINUX) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_XEN_DOMID)) {
virCommandAddArg(cmd, "-xen-attach");
virCommandAddArg(cmd, "-xen-domid");
virCommandAddArgFormat(cmd, "%d", def->id);
} else {
virReportError(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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SMBIOS_TYPE)) {
virReportError(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) {
virReportError(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) {
virReportError(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->bios);
if (smbioscmd != NULL) {
virCommandAddArgList(cmd, "-smbios", smbioscmd, NULL);
VIR_FREE(smbioscmd);
}
smbioscmd = qemuBuildSmbiosSystemStr(source->system, skip_uuid);
if (smbioscmd != NULL) {
virCommandAddArgList(cmd, "-smbios", smbioscmd, NULL);
VIR_FREE(smbioscmd);
}
if (source->nbaseBoard > 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("qemu does not support more than "
"one entry to Type 2 in SMBIOS table"));
goto error;
}
for (i = 0; i < source->nbaseBoard; i++) {
if (!(smbioscmd = qemuBuildSmbiosBaseBoardStr(source->baseBoard + i)))
goto error;
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 (cfg->nogfxAllowHostAudio)
virCommandAddEnvPassBlockSUID(cmd, "QEMU_AUDIO_DRV", NULL);
else
virCommandAddEnvString(cmd, "QEMU_AUDIO_DRV=none");
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
/* Disable global config files and default devices */
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_USER_CONFIG))
virCommandAddArg(cmd, "-no-user-config");
else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NODEFCONFIG))
virCommandAddArg(cmd, "-nodefconfig");
virCommandAddArg(cmd, "-nodefaults");
}
/* Serial graphics adapter */
if (def->os.bios.useserial == VIR_TRISTATE_BOOL_YES) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("qemu does not support -device"));
goto error;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SGA)) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("qemu does not support SGA"));
goto error;
}
if (!def->nserials) {
virReportError(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 (virQEMUCapsGet(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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_RTC)) {
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:
virReportError(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 ((virDomainTimerNameType) def->clock.timers[i]->name) {
case VIR_DOMAIN_TIMER_NAME_PLATFORM:
case VIR_DOMAIN_TIMER_NAME_TSC:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported timer type (name) '%s'"),
virDomainTimerNameTypeToString(def->clock.timers[i]->name));
goto error;
case VIR_DOMAIN_TIMER_NAME_KVMCLOCK:
case VIR_DOMAIN_TIMER_NAME_HYPERVCLOCK:
/* Timers above are handled when building -cpu. */
case VIR_DOMAIN_TIMER_NAME_LAST:
break;
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 (virQEMUCapsGet(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:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported rtc tickpolicy '%s'"),
virDomainTimerTickpolicyTypeToString(def->clock.timers[i]->tickpolicy));
goto error;
}
} else if (!virQEMUCapsGet(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 */
virReportError(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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM_PIT_TICK_POLICY))
virCommandAddArgList(cmd, "-global",
"kvm-pit.lost_tick_policy=discard", NULL);
else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_KVM_PIT))
virCommandAddArg(cmd, "-no-kvm-pit-reinjection");
break;
case VIR_DOMAIN_TIMER_TICKPOLICY_CATCHUP:
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_KVM_PIT) ||
virQEMUCapsGet(qemuCaps, QEMU_CAPS_KVM_PIT_TICK_POLICY)) {
/* do nothing - this is default for kvm-pit */
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_TDF)) {
/* -tdf switches to 'catchup' with userspace pit. */
virCommandAddArg(cmd, "-tdf");
} else {
/* can't catchup if we have neither pit mode */
virReportError(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 */
virReportError(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 (virQEMUCapsGet(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) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("hpet timer is not supported"));
goto error;
}
}
break;
}
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_REBOOT)) {
/* Only add -no-reboot option if each event destroys domain */
if (def->onReboot == VIR_DOMAIN_LIFECYCLE_DESTROY &&
def->onPoweroff == VIR_DOMAIN_LIFECYCLE_DESTROY &&
def->onCrash == VIR_DOMAIN_LIFECYCLE_DESTROY) {
allowReboot = false;
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 && allowReboot &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_SHUTDOWN)) {
virCommandAddArg(cmd, "-no-shutdown");
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_NO_ACPI)) {
if (def->features[VIR_DOMAIN_FEATURE_ACPI] != VIR_TRISTATE_SWITCH_ON)
virCommandAddArg(cmd, "-no-acpi");
}
if (def->pm.s3) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DISABLE_S3)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("setting ACPI S3 not supported"));
goto error;
}
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "PIIX4_PM.disable_s3=%d",
def->pm.s3 == VIR_TRISTATE_BOOL_NO);
}
if (def->pm.s4) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DISABLE_S4)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("setting ACPI S4 not supported"));
goto error;
}
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "PIIX4_PM.disable_s4=%d",
def->pm.s4 == VIR_TRISTATE_BOOL_NO);
}
/*
* 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("hypervisor lacks deviceboot feature"));
goto error;
}
emitBootindex = true;
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOTINDEX) &&
(def->os.bootmenu != VIR_TRISTATE_BOOL_YES ||
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU))) {
emitBootindex = true;
}
if (!emitBootindex) {
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';
virBufferAsprintf(&boot_buf, "%s", boot);
if (virBufferCheckError(&boot_buf) < 0)
goto error;
boot_order_str = virBufferContentAndReset(&boot_buf);
}
if (def->os.bootmenu) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_MENU)) {
if (def->os.bootmenu == VIR_TRISTATE_BOOL_YES)
virBufferAddLit(&boot_buf, "menu=on,");
else
virBufferAddLit(&boot_buf, "menu=off,");
} else {
/* We cannot emit an error when bootmenu is enabled but
* unsupported because of backward compatibility */
VIR_WARN("bootmenu is enabled but not "
"supported by this QEMU binary");
}
}
if (def->os.bios.rt_set) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_REBOOT_TIMEOUT)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("reboot timeout is not supported "
"by this QEMU binary"));
goto error;
}
virBufferAsprintf(&boot_buf,
"reboot-timeout=%d,",
def->os.bios.rt_delay);
}
if (def->os.bm_timeout_set) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPLASH_TIMEOUT)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("splash timeout is not supported "
"by this QEMU binary"));
goto error;
}
virBufferAsprintf(&boot_buf, "splash-time=%u,", def->os.bm_timeout);
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BOOT_STRICT))
virBufferAddLit(&boot_buf, "strict=on,");
virBufferTrim(&boot_buf, ",", -1);
if (virBufferCheckError(&boot_buf) < 0)
goto error;
boot_opts_str = virBufferContentAndReset(&boot_buf);
if (boot_order_str || boot_opts_str) {
virCommandAddArg(cmd, "-boot");
if (boot_order_str && boot_opts_str) {
virCommandAddArgFormat(cmd, "order=%s,%s",
boot_order_str, boot_opts_str);
} else if (boot_order_str) {
virCommandAddArg(cmd, boot_order_str);
} else if (boot_opts_str) {
virCommandAddArg(cmd, boot_opts_str);
}
}
VIR_FREE(boot_opts_str);
VIR_FREE(boot_order_str);
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);
if (def->os.dtb) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DTB)) {
virCommandAddArgList(cmd, "-dtb", def->os.dtb, NULL);
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("dtb is not supported with this QEMU binary"));
goto error;
}
}
for (i = 0; i < def->ncontrollers; i++) {
virDomainControllerDefPtr cont = def->controllers[i];
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
cont->opts.pciopts.pcihole64) {
const char *hoststr = NULL;
bool cap = false;
bool machine = false;
switch (cont->model) {
case VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT:
hoststr = "i440FX-pcihost";
cap = virQEMUCapsGet(qemuCaps, QEMU_CAPS_I440FX_PCI_HOLE64_SIZE);
machine = qemuDomainMachineIsI440FX(def);
break;
case VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT:
hoststr = "q35-pcihost";
cap = virQEMUCapsGet(qemuCaps, QEMU_CAPS_Q35_PCI_HOLE64_SIZE);
machine = qemuDomainMachineIsQ35(def);
break;
default:
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("64-bit PCI hole setting is only for root"
" PCI controllers"));
goto error;
}
if (!machine) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Setting the 64-bit PCI hole size is not "
"supported for machine '%s'"), def->os.machine);
goto error;
}
if (!cap) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("64-bit PCI hole size setting is not supported "
"with this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "%s.pci-hole64-size=%luK", hoststr,
cont->opts.pciopts.pcihole64size);
}
}
for (i = 0; i < def->ndisks; i++) {
virDomainDiskDefPtr disk = def->disks[i];
if (disk->src->driverName != NULL &&
!STREQ(disk->src->driverName, "qemu")) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported driver name '%s' for disk '%s'"),
disk->src->driverName, disk->src->path);
goto error;
}
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
for (j = 0; j < ARRAY_CARDINALITY(contOrder); j++) {
for (i = 0; i < def->ncontrollers; i++) {
virDomainControllerDefPtr cont = def->controllers[i];
char *devstr;
if (cont->type != contOrder[j])
continue;
/* skip USB controllers with type none.*/
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
cont->model == VIR_DOMAIN_CONTROLLER_MODEL_USB_NONE) {
usbcontroller = -1; /* mark we don't want a controller */
continue;
}
/* skip pci-root/pcie-root */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_PCI &&
(cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCI_ROOT ||
cont->model == VIR_DOMAIN_CONTROLLER_MODEL_PCIE_ROOT))
continue;
/* first SATA controller on Q35 machines is implicit */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_SATA &&
cont->idx == 0 && qemuDomainMachineIsQ35(def))
continue;
/* first IDE controller on i440fx machines is implicit */
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_IDE &&
cont->idx == 0 && qemuDomainMachineIsI440FX(def))
continue;
if (cont->type == VIR_DOMAIN_CONTROLLER_TYPE_USB &&
cont->model == -1 &&
!qemuDomainMachineIsQ35(def) &&
(!virQEMUCapsGet(qemuCaps, QEMU_CAPS_PIIX3_USB_UHCI) ||
(!virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_OHCI) &&
ARCH_IS_PPC64(def->os.arch)))) {
if (usblegacy) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("Multiple legacy USB controllers are "
"not supported"));
goto error;
}
usblegacy = true;
continue;
}
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildControllerDevStr(def, cont, qemuCaps,
&usbcontroller)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
}
}
if (usbcontroller == 0 &&
!qemuDomainMachineIsQ35(def) &&
!ARCH_IS_S390(def->os.arch))
virCommandAddArg(cmd, "-usb");
for (i = 0; i < def->nhubs; i++) {
virDomainHubDefPtr hub = def->hubs[i];
char *optstr;
virCommandAddArg(cmd, "-device");
if (!(optstr = qemuBuildHubDevStr(def, hub, qemuCaps)))
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
}
/* If QEMU supports -drive param instead of old -hda, -hdb, -cdrom .. */
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE)) {
int bootCD = 0, bootFloppy = 0, bootDisk = 0;
if ((virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE_BOOT) || emitBootindex)) {
/* 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];
bool withDeviceArg = false;
bool deviceFlagMasked = false;
/* Unless we have -device, then USB disks need special
handling */
if ((disk->bus == VIR_DOMAIN_DISK_BUS_USB) &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
if (disk->device == VIR_DOMAIN_DISK_DEVICE_DISK) {
virCommandAddArg(cmd, "-usbdevice");
virCommandAddArgFormat(cmd, "disk:%s", disk->src->path);
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported usb disk type for '%s'"),
disk->src->path);
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:
case VIR_DOMAIN_DISK_DEVICE_LUN:
bootindex = bootDisk;
bootDisk = 0;
break;
}
virCommandAddArg(cmd, "-drive");
/* Unfortunately it is not possible to use
-device for floppies, xen PV, or SD
devices. Fortunately, those don't need
static PCI addresses, so we don't really
care that we can't use -device */
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
if (disk->bus != VIR_DOMAIN_DISK_BUS_XEN &&
disk->bus != VIR_DOMAIN_DISK_BUS_SD) {
withDeviceArg = true;
} else {
virQEMUCapsClear(qemuCaps, QEMU_CAPS_DEVICE);
deviceFlagMasked = true;
}
}
optstr = qemuBuildDriveStr(conn, disk,
emitBootindex ? false : !!bootindex,
qemuCaps);
if (deviceFlagMasked)
virQEMUCapsSet(qemuCaps, QEMU_CAPS_DEVICE);
if (!optstr)
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
if (!emitBootindex)
bootindex = 0;
else if (disk->info.bootIndex)
bootindex = disk->info.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(def, 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];
if ((disk->src->type == VIR_STORAGE_TYPE_BLOCK) &&
(disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("tray status 'open' is invalid for "
"block type disk"));
goto error;
}
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->path);
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported usb disk type for '%s'"),
disk->src->path);
goto error;
}
continue;
}
if (STREQ(disk->dst, "hdc") &&
disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) {
if (disk->src->path) {
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 {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk type '%s'"), disk->dst);
goto error;
}
}
if (disk->src->type == VIR_STORAGE_TYPE_DIR) {
/* QEMU only supports magic FAT format for now */
if (disk->src->format > 0 &&
disk->src->format != VIR_STORAGE_FILE_FAT) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unsupported disk driver type for '%s'"),
virStorageFileFormatTypeToString(disk->src->format));
goto error;
}
if (!disk->src->readonly) {
virReportError(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 error;
} else if (disk->src->type == VIR_STORAGE_TYPE_NETWORK) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("network disks are only supported with -drive"));
goto error;
} else {
if (VIR_STRDUP(file, disk->src->path) < 0)
goto error;
}
/* Don't start with source if the tray is open for
* CDROM and Floppy device.
*/
if (!((disk->device == VIR_DOMAIN_DISK_DEVICE_FLOPPY ||
disk->device == VIR_DOMAIN_DISK_DEVICE_CDROM) &&
disk->tray_status == VIR_DOMAIN_DISK_TRAY_OPEN))
virCommandAddArgList(cmd, dev, file, NULL);
VIR_FREE(file);
}
}
if (virQEMUCapsGet(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(def, fs, qemuCaps)))
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
}
} else {
if (def->nfss) {
virReportError(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 (!virQEMUCapsGet(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];
int vlan;
/* VLANs are not used with -netdev, so don't record them */
if (qemuDomainSupportsNetdev(def, qemuCaps, net))
vlan = -1;
else
vlan = i;
if (qemuBuildInterfaceCommandLine(cmd, driver, def, net,
qemuCaps, vlan, bootNet, vmop,
standalone, nnicindexes, nicindexes) < 0)
goto error;
last_good_net = i;
bootNet = 0;
}
}
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;
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) {
virReportError(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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) ||
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CCID_EMULATED)) {
virReportError(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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) ||
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CCID_EMULATED)) {
virReportError(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);
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("invalid certificate name: %s"),
smartcard->data.cert.file[j]);
goto error;
}
virBufferAsprintf(&opt, ",cert%zu=%s", j + 1,
smartcard->data.cert.file[j]);
}
if (smartcard->data.cert.database) {
if (strchr(smartcard->data.cert.database, ',')) {
virBufferFreeAndReset(&opt);
virReportError(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, ",db=%s", database);
break;
case VIR_DOMAIN_SMARTCARD_TYPE_PASSTHROUGH:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) ||
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CCID_PASSTHRU)) {
virReportError(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:
virReportError(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);
}
for (i = 0; i < def->nserials; i++) {
virDomainChrDefPtr serial = def->serials[i];
char *devstr;
if (serial->source.type == VIR_DOMAIN_CHR_TYPE_SPICEPORT && !spice)
continue;
/* Use -chardev with -device if they are available */
if (virQEMUCapsSupportsChardev(def, qemuCaps, serial)) {
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&serial->source,
serial->info.alias,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
if (qemuBuildChrDeviceCommandLine(cmd, def, serial, qemuCaps) < 0)
goto error;
} else {
virCommandAddArg(cmd, "-serial");
if (!(devstr = qemuBuildChrArgStr(&serial->source, NULL)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
}
actualSerials++;
}
/* If we have -device, then we set -nodefault already */
if (!actualSerials && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE))
virCommandAddArgList(cmd, "-serial", "none", NULL);
if (!def->nparallels) {
/* If we have -device, then we set -nodefault already */
if (!virQEMUCapsGet(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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&parallel->source,
parallel->info.alias,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
if (qemuBuildChrDeviceCommandLine(cmd, def, parallel, qemuCaps) < 0)
goto error;
} 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;
switch (channel->targetType) {
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_GUESTFWD:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_CHARDEV) ||
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virReportError(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);
if (qemuBuildChrDeviceStr(&devstr, def, channel, qemuCaps) < 0)
goto error;
virCommandAddArgList(cmd, "-netdev", devstr, NULL);
VIR_FREE(devstr);
break;
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("virtio channel requires QEMU to support -device"));
goto error;
}
if (virQEMUCapsGet(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);
}
if (qemuBuildChrDeviceCommandLine(cmd, def, channel, qemuCaps) < 0)
goto error;
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_SCLP:
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLPLM:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("sclp console requires QEMU to support -device"));
goto error;
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SCLP_S390)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("sclp console requires QEMU to support s390-sclp"));
goto error;
}
virCommandAddArg(cmd, "-chardev");
if (!(devstr = qemuBuildChrChardevStr(&console->source,
console->info.alias,
qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
if (qemuBuildChrDeviceCommandLine(cmd, def, console, qemuCaps) < 0)
goto error;
break;
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virReportError(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);
if (qemuBuildChrDeviceCommandLine(cmd, def, console, qemuCaps) < 0)
goto error;
break;
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SERIAL:
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported console target type %s"),
NULLSTR(virDomainChrConsoleTargetTypeToString(console->targetType)));
goto error;
}
}
if (def->tpm) {
if (qemuBuildTPMCommandLine(def, cmd, qemuCaps, emulator) < 0)
goto error;
}
for (i = 0; i < def->ninputs; i++) {
virDomainInputDefPtr input = def->inputs[i];
if (input->bus == VIR_DOMAIN_INPUT_BUS_USB) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
char *optstr;
virCommandAddArg(cmd, "-device");
if (!(optstr = qemuBuildUSBInputDevStr(def, input, qemuCaps)))
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
} else {
switch (input->type) {
case VIR_DOMAIN_INPUT_TYPE_MOUSE:
virCommandAddArgList(cmd, "-usbdevice", "mouse", NULL);
break;
case VIR_DOMAIN_INPUT_TYPE_TABLET:
virCommandAddArgList(cmd, "-usbdevice", "tablet", NULL);
break;
case VIR_DOMAIN_INPUT_TYPE_KBD:
virCommandAddArgList(cmd, "-usbdevice", "keyboard", NULL);
break;
}
}
}
}
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_0_10) && sdl + vnc + spice > 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("only 1 graphics device is supported"));
goto error;
}
if (sdl > 1 || vnc > 1 || spice > 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("only 1 graphics device of each type "
"(sdl, vnc, spice) is supported"));
goto error;
}
for (i = 0; i < def->ngraphics; ++i) {
if (qemuBuildGraphicsCommandLine(cfg, cmd, def, qemuCaps,
def->graphics[i]) < 0)
goto error;
}
if (def->nvideos > 0) {
int primaryVideoType = def->videos[0]->type;
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIDEO_PRIMARY) &&
((primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_VGA &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VGA)) ||
(primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_CIRRUS &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_CIRRUS_VGA)) ||
(primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_VMVGA &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VMWARE_SVGA)) ||
(primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_QXL &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QXL_VGA)))
) {
for (i = 0; i < def->nvideos; i++) {
char *str;
virCommandAddArg(cmd, "-device");
if (!(str = qemuBuildDeviceVideoStr(def, def->videos[i], qemuCaps, !i)))
goto error;
virCommandAddArg(cmd, str);
VIR_FREE(str);
}
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA)) {
if (primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_XEN) {
/* nothing - vga has no effect on Xen pvfb */
} else {
if ((primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_QXL) &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_QXL)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("This QEMU does not support QXL graphics adapters"));
goto error;
}
const char *vgastr = qemuVideoTypeToString(primaryVideoType);
if (!vgastr || STREQ(vgastr, "")) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("video type %s is not supported with QEMU"),
virDomainVideoTypeToString(primaryVideoType));
goto error;
}
virCommandAddArgList(cmd, "-vga", vgastr, NULL);
/* If we cannot use --device option to specify the video device
* in QEMU we will fallback to the old --vga option. To get the
* correct device name for the --vga option the 'qemuVideo' is
* used, but to set some device attributes we need to use the
* --global option and for that we need to specify the device
* name the same as for --device option and for that we need to
* use 'qemuDeviceVideo'.
*
* See 'Graphics Devices' section in docs/qdev-device-use.txt in
* QEMU repository.
*/
const char *dev = qemuDeviceVideoTypeToString(primaryVideoType);
if (def->videos[0]->type == VIR_DOMAIN_VIDEO_TYPE_QXL &&
(def->videos[0]->vram || def->videos[0]->ram) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
unsigned int ram = def->videos[0]->ram;
unsigned int vram = def->videos[0]->vram;
unsigned int vgamem = def->videos[0]->vgamem;
if (vram > (UINT_MAX / 1024)) {
virReportError(VIR_ERR_OVERFLOW,
_("value for 'vram' must be less than '%u'"),
UINT_MAX / 1024);
goto error;
}
if (ram > (UINT_MAX / 1024)) {
virReportError(VIR_ERR_OVERFLOW,
_("value for 'ram' must be less than '%u'"),
UINT_MAX / 1024);
goto error;
}
if (ram) {
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "%s.ram_size=%u",
dev, ram * 1024);
}
if (vram) {
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "%s.vram_size=%u",
dev, vram * 1024);
}
if (vgamem &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_QXL_VGA_VGAMEM)) {
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "%s.vgamem_mb=%u",
dev, vgamem / 1024);
}
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
def->videos[0]->vram &&
((primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_VGA &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_VGAMEM)) ||
(primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_VMVGA &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VMWARE_SVGA_VGAMEM)))) {
unsigned int vram = def->videos[0]->vram;
if (vram < 1024) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("value for 'vgamem' must be at "
"least 1 MiB (1024 KiB)"));
goto error;
}
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "%s.vgamem_mb=%u",
dev, vram / 1024);
}
}
if (def->nvideos > 1) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
for (i = 1; i < def->nvideos; i++) {
char *str;
if (def->videos[i]->type != VIR_DOMAIN_VIDEO_TYPE_QXL) {
virReportError(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 = qemuBuildDeviceVideoStr(def, def->videos[i], qemuCaps, false)))
goto error;
virCommandAddArg(cmd, str);
VIR_FREE(str);
}
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("only one video card is currently supported"));
goto error;
}
}
} 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:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("video type %s is not supported with this QEMU"),
virDomainVideoTypeToString(def->videos[0]->type));
goto error;
}
if (def->nvideos > 1) {
virReportError(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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_NONE))
virCommandAddArgList(cmd, "-vga", "none", NULL);
}
/* Add sound hardware */
if (def->nsounds) {
if (virQEMUCapsGet(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(def, sound, qemuCaps)))
goto error;
virCommandAddArg(cmd, str);
VIR_FREE(str);
if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6 ||
sound->model == VIR_DOMAIN_SOUND_MODEL_ICH9) {
char *codecstr = NULL;
for (j = 0; j < sound->ncodecs; j++) {
virCommandAddArg(cmd, "-device");
if (!(codecstr = qemuBuildSoundCodecStr(sound, sound->codecs[j], qemuCaps))) {
goto error;
}
virCommandAddArg(cmd, codecstr);
VIR_FREE(codecstr);
}
if (j == 0) {
virDomainSoundCodecDef codec = {
VIR_DOMAIN_SOUND_CODEC_TYPE_DUPLEX,
0
};
virCommandAddArg(cmd, "-device");
if (!(codecstr = qemuBuildSoundCodecStr(sound, &codec, qemuCaps))) {
goto error;
}
virCommandAddArg(cmd, codecstr);
VIR_FREE(codecstr);
}
}
}
}
} else {
int size = 100;
char *modstr;
if (VIR_ALLOC_N(modstr, size+1) < 0)
goto error;
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);
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("invalid sound model"));
goto error;
}
if (sound->model == VIR_DOMAIN_SOUND_MODEL_ICH6 ||
sound->model == VIR_DOMAIN_SOUND_MODEL_ICH9) {
VIR_FREE(modstr);
virReportError(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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-device");
optstr = qemuBuildWatchdogDevStr(def, watchdog, qemuCaps);
if (!optstr)
goto error;
} else {
virCommandAddArg(cmd, "-watchdog");
const char *model = virDomainWatchdogModelTypeToString(watchdog->model);
if (!model) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("missing watchdog model"));
goto error;
}
if (VIR_STRDUP(optstr, model) < 0)
goto error;
}
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) {
virReportError(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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("redirected devices are not supported by this QEMU"));
goto error;
}
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildRedirdevDevStr(def, 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->info->bootIndex) {
if (hostdev->mode != VIR_DOMAIN_HOSTDEV_MODE_SUBSYS ||
(hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI &&
hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB &&
hostdev->source.subsys.type != VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("booting from assigned devices is only "
"supported for PCI, USB and SCSI devices"));
goto error;
} else {
if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI) {
if (hostdev->source.subsys.u.pci.backend
== VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_VFIO_PCI_BOOTINDEX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("booting from PCI devices assigned with VFIO "
"is not supported with this version of qemu"));
goto error;
}
} else {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_BOOTINDEX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("booting from assigned PCI devices is not "
"supported with this version of qemu"));
goto error;
}
}
}
if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_USB_HOST_BOOTINDEX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("booting from assigned USB devices is not "
"supported with this version of qemu"));
goto error;
}
if (hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI &&
!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SCSI_GENERIC_BOOTINDEX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("booting from assigned SCSI 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 (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildUSBHostdevDevStr(def, 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) {
int backend = hostdev->source.subsys.u.pci.backend;
if (backend == VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VFIO_PCI)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("VFIO PCI device assignment is not "
"supported by this version of qemu"));
goto error;
}
/* VFIO requires all of the guest's memory to be locked
* resident */
mlock = true;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
char *configfd_name = NULL;
if ((backend != VIR_DOMAIN_HOSTDEV_PCI_BACKEND_VFIO) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCI_CONFIGFD)) {
int configfd = qemuOpenPCIConfig(hostdev);
if (configfd >= 0) {
if (virAsprintf(&configfd_name, "%d", configfd) < 0) {
VIR_FORCE_CLOSE(configfd);
goto error;
}
virCommandPassFD(cmd, configfd,
VIR_COMMAND_PASS_FD_CLOSE_PARENT);
}
}
virCommandAddArg(cmd, "-device");
devstr = qemuBuildPCIHostdevDevStr(def, hostdev, configfd_name, qemuCaps);
VIR_FREE(configfd_name);
if (!devstr)
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_PCIDEVICE)) {
virCommandAddArg(cmd, "-pcidevice");
if (!(devstr = qemuBuildPCIHostdevPCIDevStr(hostdev, qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("PCI device assignment is not supported by this version of qemu"));
goto error;
}
}
/* SCSI */
if (hostdev->mode == VIR_DOMAIN_HOSTDEV_MODE_SUBSYS &&
hostdev->source.subsys.type == VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_SCSI) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DRIVE) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_SCSI_GENERIC)) {
char *drvstr;
virCommandAddArg(cmd, "-drive");
if (!(drvstr = qemuBuildSCSIHostdevDrvStr(conn, hostdev, qemuCaps, callbacks)))
goto error;
virCommandAddArg(cmd, drvstr);
VIR_FREE(drvstr);
virCommandAddArg(cmd, "-device");
if (!(devstr = qemuBuildSCSIHostdevDevStr(def, hostdev, qemuCaps)))
goto error;
virCommandAddArg(cmd, devstr);
VIR_FREE(devstr);
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("SCSI passthrough 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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_TCP)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("TCP migration is not supported with "
"this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, migrateFrom);
} else if (STRPREFIX(migrateFrom, "rdma")) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_RDMA)) {
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("incoming RDMA migration is not supported "
"with this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, migrateFrom);
} else if (STREQ(migrateFrom, "stdio")) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_FD)) {
virCommandAddArgFormat(cmd, "fd:%d", migrateFd);
virCommandPassFD(cmd, migrateFd, 0);
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_EXEC)) {
virCommandAddArg(cmd, "exec:cat");
virCommandSetInputFD(cmd, migrateFd);
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_KVM_STDIO)) {
virCommandAddArg(cmd, migrateFrom);
virCommandSetInputFD(cmd, migrateFd);
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("STDIO migration is not supported "
"with this QEMU binary"));
goto error;
}
} else if (STRPREFIX(migrateFrom, "exec")) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_EXEC)) {
virReportError(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 (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_FD)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("FD migration is not supported "
"with this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, migrateFrom);
virCommandPassFD(cmd, migrateFd, 0);
} else if (STRPREFIX(migrateFrom, "unix")) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_MIGRATE_QEMU_UNIX)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
"%s", _("UNIX migration is not supported "
"with this QEMU binary"));
goto error;
}
virCommandAddArg(cmd, migrateFrom);
} else {
virReportError(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 (STREQLEN(def->os.machine, "s390-virtio", 10) &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_S390) && def->memballoon)
def->memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_NONE;
if (def->memballoon &&
def->memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_NONE) {
if (def->memballoon->model != VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Memory balloon device type '%s' is not supported by this version of qemu"),
virDomainMemballoonModelTypeToString(def->memballoon->model));
goto error;
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
char *optstr;
virCommandAddArg(cmd, "-device");
optstr = qemuBuildMemballoonDevStr(def, def->memballoon, qemuCaps);
if (!optstr)
goto error;
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
} else if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_BALLOON)) {
virCommandAddArgList(cmd, "-balloon", "virtio", NULL);
}
}
for (i = 0; i < def->nrngs; i++) {
virDomainRNGDefPtr rng = def->rngs[i];
char *tmp;
if (!rng->info.alias) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("RNG device is missing alias"));
goto error;
}
/* possibly add character device for backend */
if (qemuBuildRNGBackendChrdevStr(rng, qemuCaps, &tmp) < 0)
goto error;
if (tmp) {
virCommandAddArgList(cmd, "-chardev", tmp, NULL);
VIR_FREE(tmp);
}
/* add the RNG source backend */
if (!(tmp = qemuBuildRNGBackendStr(rng, qemuCaps)))
goto error;
virCommandAddArgList(cmd, "-object", tmp, NULL);
VIR_FREE(tmp);
/* add the device */
if (!(tmp = qemuBuildRNGDevStr(def, rng, qemuCaps)))
goto error;
virCommandAddArgList(cmd, "-device", tmp, NULL);
VIR_FREE(tmp);
}
if (def->nvram) {
if (ARCH_IS_PPC64(def->os.arch) &&
STRPREFIX(def->os.machine, "pseries")) {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_NVRAM)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("nvram device is not supported by "
"this QEMU binary"));
goto error;
}
char *optstr;
virCommandAddArg(cmd, "-global");
optstr = qemuBuildNVRAMDevStr(def->nvram);
if (!optstr)
goto error;
if (optstr)
virCommandAddArg(cmd, optstr);
VIR_FREE(optstr);
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("nvram device is only supported for PPC64"));
goto error;
}
}
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] : "");
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SECCOMP_SANDBOX)) {
if (cfg->seccompSandbox == 0)
virCommandAddArgList(cmd, "-sandbox", "off", NULL);
else if (cfg->seccompSandbox > 0)
virCommandAddArgList(cmd, "-sandbox", "on", NULL);
} else if (cfg->seccompSandbox > 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("QEMU does not support seccomp sandboxes"));
goto error;
}
if (def->panic) {
if (ARCH_IS_PPC64(def->os.arch) && STRPREFIX(def->os.machine, "pseries")) {
/* For pSeries guests, the firmware provides the same
* functionality as the pvpanic device. The address
* cannot be configured by the user */
if (def->panic->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("setting the panic device address is not "
"supported for pSeries guests"));
goto error;
}
} else {
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PANIC)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("the QEMU binary does not support the "
"panic device"));
goto error;
}
switch (def->panic->info.type) {
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_ISA:
virCommandAddArg(cmd, "-device");
virCommandAddArgFormat(cmd, "pvpanic,ioport=%d",
def->panic->info.addr.isa.iobase);
break;
case VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE:
virCommandAddArgList(cmd, "-device", "pvpanic", NULL);
break;
default:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("panic is supported only "
"with ISA address type"));
goto error;
}
}
}
for (i = 0; i < def->nshmems; i++) {
if (qemuBuildShmemCommandLine(cmd, def, def->shmems[i], qemuCaps))
goto error;
}
if (mlock) {
unsigned long long memKB;
/* VFIO requires all of the guest's memory to be
* locked resident, plus some amount for IO
* space. Alex Williamson suggested adding 1GiB for IO
* space just to be safe (some finer tuning might be
* nice, though).
*/
if (virMemoryLimitIsSet(def->mem.hard_limit))
memKB = def->mem.hard_limit;
else
memKB = virDomainDefGetMemoryActual(def) + 1024 * 1024;
virCommandSetMaxMemLock(cmd, memKB * 1024);
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_MSG_TIMESTAMP) &&
cfg->logTimestamp)
virCommandAddArgList(cmd, "-msg", "timestamp=on", NULL);
virObjectUnref(cfg);
return cmd;
error:
VIR_FREE(boot_order_str);
VIR_FREE(boot_opts_str);
virBufferFreeAndReset(&boot_buf);
virObjectUnref(cfg);
/* free up any resources in the network driver
* but don't overwrite the original error */
originalError = virSaveLastError();
for (i = 0; last_good_net != -1 && i <= last_good_net; i++)
virDomainConfNWFilterTeardown(def->nets[i]);
virSetError(originalError);
virFreeError(originalError);
virCommandFree(cmd);
return NULL;
}
/* This function generates the correct '-device' string for character
* devices of each architecture.
*/
static int
qemuBuildSerialChrDeviceStr(char **deviceStr,
virDomainDefPtr def,
virDomainChrDefPtr serial,
virQEMUCapsPtr qemuCaps,
virArch arch,
char *machine)
{
virBuffer cmd = VIR_BUFFER_INITIALIZER;
if (ARCH_IS_PPC64(arch) && STRPREFIX(machine, "pseries")) {
if (serial->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL &&
serial->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO) {
virBufferAsprintf(&cmd, "spapr-vty,chardev=char%s",
serial->info.alias);
if (qemuBuildDeviceAddressStr(&cmd, def, &serial->info, qemuCaps) < 0)
goto error;
}
} else {
virBufferAsprintf(&cmd, "%s,chardev=char%s,id=%s",
virDomainChrSerialTargetTypeToString(serial->targetType),
serial->info.alias, serial->info.alias);
switch (serial->targetType) {
case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_USB:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_USB_SERIAL)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("usb-serial is not supported in this QEMU binary"));
goto error;
}
if (serial->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
serial->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_USB) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("usb-serial requires address of usb type"));
goto error;
}
if (qemuBuildDeviceAddressStr(&cmd, def, &serial->info, qemuCaps) < 0)
goto error;
break;
case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_ISA:
if (serial->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
serial->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_ISA) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("isa-serial requires address of isa type"));
goto error;
}
if (qemuBuildDeviceAddressStr(&cmd, def, &serial->info, qemuCaps) < 0)
goto error;
break;
case VIR_DOMAIN_CHR_SERIAL_TARGET_TYPE_PCI:
if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_PCI_SERIAL)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("pci-serial is not supported with this QEMU binary"));
goto error;
}
if (serial->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE &&
serial->info.type != VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("pci-serial requires address of pci type"));
goto error;
}
if (qemuBuildDeviceAddressStr(&cmd, def, &serial->info, qemuCaps) < 0)
goto error;
break;
}
}
if (virBufferCheckError(&cmd) < 0)
goto error;
*deviceStr = virBufferContentAndReset(&cmd);
return 0;
error:
virBufferFreeAndReset(&cmd);
return -1;
}
static int
qemuBuildParallelChrDeviceStr(char **deviceStr,
virDomainChrDefPtr chr)
{
if (virAsprintf(deviceStr, "isa-parallel,chardev=char%s,id=%s",
chr->info.alias, chr->info.alias) < 0)
return -1;
return 0;
}
static int
qemuBuildChannelChrDeviceStr(char **deviceStr,
virDomainDefPtr def,
virDomainChrDefPtr chr,
virQEMUCapsPtr qemuCaps)
{
int ret = -1;
char *addr = NULL;
int port;
switch ((virDomainChrChannelTargetType) chr->targetType) {
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_GUESTFWD:
addr = virSocketAddrFormat(chr->target.addr);
if (!addr)
return ret;
port = virSocketAddrGetPort(chr->target.addr);
if (virAsprintf(deviceStr,
"user,guestfwd=tcp:%s:%i-chardev:char%s,id=user-%s",
addr, port, chr->info.alias, chr->info.alias) < 0)
goto cleanup;
break;
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_VIRTIO:
if (!(*deviceStr = qemuBuildVirtioSerialPortDevStr(def, chr, qemuCaps)))
goto cleanup;
break;
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_NONE:
case VIR_DOMAIN_CHR_CHANNEL_TARGET_TYPE_LAST:
return ret;
}
ret = 0;
cleanup:
VIR_FREE(addr);
return ret;
}
static int
qemuBuildConsoleChrDeviceStr(char **deviceStr,
virDomainDefPtr def,
virDomainChrDefPtr chr,
virQEMUCapsPtr qemuCaps)
{
int ret = -1;
switch ((virDomainChrConsoleTargetType) chr->targetType) {
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLP:
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLPLM:
if (!(*deviceStr = qemuBuildSclpDevStr(chr)))
goto cleanup;
break;
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO:
if (!(*deviceStr = qemuBuildVirtioSerialPortDevStr(def, chr, qemuCaps)))
goto cleanup;
break;
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SERIAL:
break;
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_NONE:
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_XEN:
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_UML:
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_LXC:
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_OPENVZ:
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_LAST:
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported console target type %s"),
NULLSTR(virDomainChrConsoleTargetTypeToString(chr->targetType)));
goto cleanup;
}
ret = 0;
cleanup:
return ret;
}
int
qemuBuildChrDeviceStr(char **deviceStr,
virDomainDefPtr vmdef,
virDomainChrDefPtr chr,
virQEMUCapsPtr qemuCaps)
{
int ret = -1;
switch ((virDomainChrDeviceType) chr->deviceType) {
case VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL:
ret = qemuBuildSerialChrDeviceStr(deviceStr, vmdef, chr, qemuCaps,
vmdef->os.arch,
vmdef->os.machine);
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL:
ret = qemuBuildParallelChrDeviceStr(deviceStr, chr);
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_CHANNEL:
ret = qemuBuildChannelChrDeviceStr(deviceStr, vmdef, chr, qemuCaps);
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_CONSOLE:
ret = qemuBuildConsoleChrDeviceStr(deviceStr, vmdef, chr, qemuCaps);
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_LAST:
return ret;
}
return ret;
}
/*
* 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,
char ***retenv,
char ***retargv)
{
char **arglist = NULL;
size_t argcount = 0;
size_t argalloc = 0;
size_t envend;
size_t i;
const char *curr = args;
const char *start;
char **progenv = NULL;
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 (VIR_STRNDUP(arg, curr, next ? next - curr : -1) < 0)
goto error;
if (next && (*next == '\'' || *next == '"'))
next++;
if (VIR_RESIZE_N(arglist, argalloc, argcount, 2) < 0) {
VIR_FREE(arg);
goto error;
}
arglist[argcount++] = arg;
arglist[argcount] = NULL;
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 error;
for (i = 0; i < envend; i++)
progenv[i] = arglist[i];
progenv[i] = NULL;
}
/* Copy the list of argv */
if (VIR_REALLOC_N(progargv, argcount-envend + 1) < 0)
goto error;
for (i = envend; i < argcount; i++)
progargv[i-envend] = arglist[i];
progargv[i-envend] = NULL;
VIR_FREE(arglist);
*retenv = progenv;
*retargv = progargv;
return 0;
error:
VIR_FREE(progenv);
VIR_FREE(progargv);
virStringFreeList(arglist);
return -1;
}
/*
* Search for a named env variable, and return the value part
*/
static const char *qemuFindEnv(char **progenv,
const char *name)
{
size_t 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 *retnkeywords,
int allowEmptyValue)
{
int keywordCount = 0;
int keywordAlloc = 0;
char **keywords = NULL;
char **values = NULL;
const char *start = str;
const char *end;
size_t i;
*retkeywords = NULL;
*retvalues = NULL;
*retnkeywords = 0;
end = start + strlen(str);
while (start) {
const char *separator;
const char *endmark;
char *keyword;
char *value = NULL;
endmark = start;
do {
/* Qemu accepts ',,' as an escape for a literal comma;
* skip past those here while searching for the end of the
* value, then strip them down below */
endmark = strchr(endmark, ',');
} while (endmark && endmark[1] == ',' && (endmark += 2));
if (!endmark)
endmark = end;
if (!(separator = strchr(start, '=')))
separator = end;
if (separator >= endmark) {
if (!allowEmptyValue) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("malformed keyword arguments in '%s'"), str);
goto error;
}
separator = endmark;
}
if (VIR_STRNDUP(keyword, start, separator - start) < 0)
goto error;
if (separator < endmark) {
separator++;
if (VIR_STRNDUP(value, separator, endmark - separator) < 0) {
VIR_FREE(keyword);
goto error;
}
if (strchr(value, ',')) {
char *p = strchr(value, ',') + 1;
char *q = p + 1;
while (*q) {
if (*q == ',')
q++;
*p++ = *q++;
}
*p = '\0';
}
}
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 error;
}
keywordAlloc += 10;
}
keywords[keywordCount] = keyword;
values[keywordCount] = value;
keywordCount++;
start = endmark < end ? endmark + 1 : NULL;
}
*retkeywords = keywords;
*retvalues = values;
*retnkeywords = keywordCount;
return 0;
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(virDomainXMLOptionPtr xmlopt,
const char *val,
virDomainDefPtr dom,
int nvirtiodisk,
bool old_style_ceph_args)
{
virDomainDiskDefPtr def = NULL;
char **keywords;
char **values;
int nkeywords;
size_t i;
int idx = -1;
int busid = -1;
int unitid = -1;
if (qemuParseKeywords(val,
&keywords,
&values,
&nkeywords,
0) < 0)
return NULL;
if (VIR_ALLOC(def) < 0)
goto cleanup;
if (VIR_ALLOC(def->src) < 0)
goto error;
if ((ARCH_IS_PPC64(dom->os.arch) &&
dom->os.machine && STRPREFIX(dom->os.machine, "pseries")))
def->bus = VIR_DOMAIN_DISK_BUS_SCSI;
else
def->bus = VIR_DOMAIN_DISK_BUS_IDE;
def->device = VIR_DOMAIN_DISK_DEVICE_DISK;
def->src->type = VIR_STORAGE_TYPE_FILE;
for (i = 0; i < nkeywords; i++) {
if (STREQ(keywords[i], "file")) {
if (values[i] && STRNEQ(values[i], "")) {
def->src->path = values[i];
values[i] = NULL;
if (STRPREFIX(def->src->path, "/dev/"))
def->src->type = VIR_STORAGE_TYPE_BLOCK;
else if (STRPREFIX(def->src->path, "nbd:") ||
STRPREFIX(def->src->path, "nbd+")) {
def->src->type = VIR_STORAGE_TYPE_NETWORK;
def->src->protocol = VIR_STORAGE_NET_PROTOCOL_NBD;
if (qemuParseNBDString(def) < 0)
goto error;
} else if (STRPREFIX(def->src->path, "rbd:")) {
char *p = def->src->path;
def->src->type = VIR_STORAGE_TYPE_NETWORK;
def->src->protocol = VIR_STORAGE_NET_PROTOCOL_RBD;
if (VIR_STRDUP(def->src->path, p + strlen("rbd:")) < 0)
goto error;
/* old-style CEPH_ARGS env variable is parsed later */
if (!old_style_ceph_args && qemuParseRBDString(def) < 0) {
VIR_FREE(p);
goto error;
}
VIR_FREE(p);
} else if (STRPREFIX(def->src->path, "gluster:") ||
STRPREFIX(def->src->path, "gluster+")) {
def->src->type = VIR_STORAGE_TYPE_NETWORK;
def->src->protocol = VIR_STORAGE_NET_PROTOCOL_GLUSTER;
if (qemuParseGlusterString(def) < 0)
goto error;
} else if (STRPREFIX(def->src->path, "iscsi:")) {
def->src->type = VIR_STORAGE_TYPE_NETWORK;
def->src->protocol = VIR_STORAGE_NET_PROTOCOL_ISCSI;
if (qemuParseISCSIString(def) < 0)
goto error;
} else if (STRPREFIX(def->src->path, "sheepdog:")) {
char *p = def->src->path;
char *port, *vdi;
def->src->type = VIR_STORAGE_TYPE_NETWORK;
def->src->protocol = VIR_STORAGE_NET_PROTOCOL_SHEEPDOG;
if (VIR_STRDUP(def->src->path, p + strlen("sheepdog:")) < 0)
goto error;
VIR_FREE(p);
/* def->src->path must be [vdiname] or [host]:[port]:[vdiname] */
port = strchr(def->src->path, ':');
if (port) {
*port = '\0';
vdi = strchr(port + 1, ':');
if (!vdi) {
*port = ':';
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse sheepdog filename '%s'"),
def->src->path);
goto error;
}
port++;
*vdi++ = '\0';
if (VIR_ALLOC(def->src->hosts) < 0)
goto error;
def->src->nhosts = 1;
def->src->hosts->name = def->src->path;
if (VIR_STRDUP(def->src->hosts->port, port) < 0)
goto error;
def->src->hosts->transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
def->src->hosts->socket = NULL;
if (VIR_STRDUP(def->src->path, vdi) < 0)
goto error;
}
} else {
def->src->type = VIR_STORAGE_TYPE_FILE;
}
} else {
def->src->type = VIR_STORAGE_TYPE_FILE;
}
} else if (STREQ(keywords[i], "if")) {
if (STREQ(values[i], "ide")) {
def->bus = VIR_DOMAIN_DISK_BUS_IDE;
if ((ARCH_IS_PPC64(dom->os.arch) &&
dom->os.machine && STRPREFIX(dom->os.machine, "pseries"))) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("pseries systems do not support ide devices '%s'"), val);
goto error;
}
} 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(values[i], "sd")) {
def->bus = VIR_DOMAIN_DISK_BUS_SD;
}
} else if (STREQ(keywords[i], "media")) {
if (STREQ(values[i], "cdrom")) {
def->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
def->src->readonly = true;
} else if (STREQ(values[i], "floppy")) {
def->device = VIR_DOMAIN_DISK_DEVICE_FLOPPY;
}
} else if (STREQ(keywords[i], "format")) {
if (VIR_STRDUP(def->src->driverName, "qemu") < 0)
goto error;
def->src->format = virStorageFileFormatTypeFromString(values[i]);
} 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) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse drive index '%s'"), val);
goto error;
}
} else if (STREQ(keywords[i], "bus")) {
if (virStrToLong_i(values[i], NULL, 10, &busid) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse drive bus '%s'"), val);
goto error;
}
} else if (STREQ(keywords[i], "unit")) {
if (virStrToLong_i(values[i], NULL, 10, &unitid) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse drive unit '%s'"), val);
goto error;
}
} else if (STREQ(keywords[i], "readonly")) {
if ((values[i] == NULL) || STREQ(values[i], "on"))
def->src->readonly = true;
} else if (STREQ(keywords[i], "aio")) {
if ((def->iomode = virDomainDiskIoTypeFromString(values[i])) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse io mode '%s'"), values[i]);
goto error;
}
} else if (STREQ(keywords[i], "cyls")) {
if (virStrToLong_ui(values[i], NULL, 10,
&(def->geometry.cylinders)) < 0) {
virDomainDiskDefFree(def);
def = NULL;
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse cylinders value'%s'"),
values[i]);
goto error;
}
} else if (STREQ(keywords[i], "heads")) {
if (virStrToLong_ui(values[i], NULL, 10,
&(def->geometry.heads)) < 0) {
virDomainDiskDefFree(def);
def = NULL;
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse heads value'%s'"),
values[i]);
goto error;
}
} else if (STREQ(keywords[i], "secs")) {
if (virStrToLong_ui(values[i], NULL, 10,
&(def->geometry.sectors)) < 0) {
virDomainDiskDefFree(def);
def = NULL;
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse sectors value'%s'"),
values[i]);
goto error;
}
} else if (STREQ(keywords[i], "trans")) {
def->geometry.trans =
virDomainDiskGeometryTransTypeFromString(values[i]);
if ((def->geometry.trans < VIR_DOMAIN_DISK_TRANS_DEFAULT) ||
(def->geometry.trans >= VIR_DOMAIN_DISK_TRANS_LAST)) {
virDomainDiskDefFree(def);
def = NULL;
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse translation value '%s'"),
values[i]);
goto error;
}
}
}
if (def->rerror_policy == def->error_policy)
def->rerror_policy = 0;
if (!def->src->path &&
def->device == VIR_DOMAIN_DISK_DEVICE_DISK &&
def->src->type != VIR_STORAGE_TYPE_NETWORK) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("missing file parameter in drive '%s'"), val);
goto error;
}
if (idx == -1 &&
def->bus == VIR_DOMAIN_DISK_BUS_VIRTIO)
idx = nvirtiodisk;
if (idx == -1 &&
unitid == -1 &&
busid == -1) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("missing index/unit/bus parameter in drive '%s'"),
val);
goto error;
}
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) {
ignore_value(VIR_STRDUP(def->dst, "hda"));
} else if (def->bus == VIR_DOMAIN_DISK_BUS_SCSI ||
def->bus == VIR_DOMAIN_DISK_BUS_SD) {
ignore_value(VIR_STRDUP(def->dst, "sda"));
} else if (def->bus == VIR_DOMAIN_DISK_BUS_VIRTIO) {
ignore_value(VIR_STRDUP(def->dst, "vda"));
} else if (def->bus == VIR_DOMAIN_DISK_BUS_XEN) {
ignore_value(VIR_STRDUP(def->dst, "xvda"));
} else {
ignore_value(VIR_STRDUP(def->dst, "hda"));
}
if (!def->dst)
goto error;
if (STREQ(def->dst, "xvda"))
def->dst[3] = 'a' + idx;
else
def->dst[2] = 'a' + idx;
if (virDomainDiskDefAssignAddress(xmlopt, def) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("invalid device name '%s'"), def->dst);
virDomainDiskDefFree(def);
def = NULL;
goto cleanup;
}
cleanup:
for (i = 0; i < nkeywords; i++) {
VIR_FREE(keywords[i]);
VIR_FREE(values[i]);
}
VIR_FREE(keywords);
VIR_FREE(values);
return def;
error:
virDomainDiskDefFree(def);
def = NULL;
goto cleanup;
}
/*
* Tries to find a NIC definition matching a vlan we want
*/
static const char *
qemuFindNICForVLAN(int nnics,
const char **nics,
int wantvlan)
{
size_t 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) {
virReportError(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];
virReportError(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(virDomainXMLOptionPtr xmlopt,
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;
bool genmac = true;
size_t i;
tmp = strchr(val, ',');
if (tmp) {
if (qemuParseKeywords(tmp+1,
&keywords,
&values,
&nkeywords,
0) < 0)
return NULL;
} else {
nkeywords = 0;
}
if (VIR_ALLOC(def) < 0)
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) {
virReportError(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->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")) {
virReportError(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 (qemuParseKeywords(nic + strlen("nic,"),
&keywords,
&values,
&nkeywords,
0) < 0) {
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
} else {
nkeywords = 0;
}
for (i = 0; i < nkeywords; i++) {
if (STREQ(keywords[i], "macaddr")) {
genmac = false;
if (virMacAddrParse(values[i], &def->mac) < 0) {
virReportError(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) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse sndbuf size in '%s'"), val);
virDomainNetDefFree(def);
def = NULL;
goto cleanup;
}
def->tune.sndbuf_specified = true;
}
}
if (genmac)
virDomainNetGenerateMAC(xmlopt, &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)
{
int bus = 0, slot = 0, func = 0;
const char *start;
char *end;
virDomainHostdevDefPtr def = virDomainHostdevDefAlloc();
if (!def)
goto error;
if (!STRPREFIX(val, "host=")) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown PCI device syntax '%s'"), val);
goto error;
}
start = val + strlen("host=");
if (virStrToLong_i(start, &end, 16, &bus) < 0 || *end != ':') {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract PCI device bus '%s'"), val);
goto error;
}
start = end + 1;
if (virStrToLong_i(start, &end, 16, &slot) < 0 || *end != '.') {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract PCI device slot '%s'"), val);
goto error;
}
start = end + 1;
if (virStrToLong_i(start, NULL, 16, &func) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract PCI device function '%s'"), val);
goto error;
}
def->mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS;
def->managed = true;
def->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_PCI;
def->source.subsys.u.pci.addr.bus = bus;
def->source.subsys.u.pci.addr.slot = slot;
def->source.subsys.u.pci.addr.function = func;
return def;
error:
virDomainHostdevDefFree(def);
return NULL;
}
/*
* Tries to parse a QEMU USB device
*/
static virDomainHostdevDefPtr
qemuParseCommandLineUSB(const char *val)
{
virDomainHostdevDefPtr def = virDomainHostdevDefAlloc();
virDomainHostdevSubsysUSBPtr usbsrc;
int first = 0, second = 0;
const char *start;
char *end;
if (!def)
goto error;
usbsrc = &def->source.subsys.u.usb;
if (!STRPREFIX(val, "host:")) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown USB device syntax '%s'"), val);
goto error;
}
start = val + strlen("host:");
if (strchr(start, ':')) {
if (virStrToLong_i(start, &end, 16, &first) < 0 || *end != ':') {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract USB device vendor '%s'"), val);
goto error;
}
start = end + 1;
if (virStrToLong_i(start, NULL, 16, &second) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract USB device product '%s'"), val);
goto error;
}
} else {
if (virStrToLong_i(start, &end, 10, &first) < 0 || *end != '.') {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract USB device bus '%s'"), val);
goto error;
}
start = end + 1;
if (virStrToLong_i(start, NULL, 10, &second) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot extract USB device address '%s'"), val);
goto error;
}
}
def->mode = VIR_DOMAIN_HOSTDEV_MODE_SUBSYS;
def->managed = false;
def->source.subsys.type = VIR_DOMAIN_HOSTDEV_SUBSYS_TYPE_USB;
if (*end == '.') {
usbsrc->bus = first;
usbsrc->device = second;
} else {
usbsrc->vendor = first;
usbsrc->product = second;
}
return def;
error:
virDomainHostdevDefFree(def);
return NULL;
}
/*
* 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;
if (VIR_STRDUP(source->data.file.path, val + strlen("file:")) < 0)
goto error;
} else if (STRPREFIX(val, "pipe:")) {
source->type = VIR_DOMAIN_CHR_TYPE_PIPE;
if (VIR_STRDUP(source->data.file.path, val + strlen("pipe:")) < 0)
goto error;
} 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 &&
VIR_STRNDUP(source->data.udp.connectHost, val, svc1 - val) < 0)
goto error;
if (svc1) {
svc1++;
if (VIR_STRNDUP(source->data.udp.connectService, svc1,
host2 ? host2 - svc1 : strlen(svc1)) < 0)
goto error;
}
if (host2) {
host2++;
if (svc2 && svc2 != host2 &&
VIR_STRNDUP(source->data.udp.bindHost, host2, svc2 - host2) < 0)
goto error;
}
if (svc2) {
svc2++;
if (STRNEQ(svc2, "0")) {
if (VIR_STRDUP(source->data.udp.bindService, svc2) < 0)
goto error;
}
}
} 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) {
virReportError(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;
if (VIR_STRNDUP(source->data.tcp.host, val, svc - val) < 0)
goto error;
svc++;
if (VIR_STRNDUP(source->data.tcp.service, svc, opt ? opt - svc : -1) < 0)
goto error;
} else if (STRPREFIX(val, "unix:")) {
const char *opt;
val += strlen("unix:");
opt = strchr(val, ',');
source->type = VIR_DOMAIN_CHR_TYPE_UNIX;
if (VIR_STRNDUP(source->data.nix.path, val, opt ? opt - val : -1) < 0)
goto error;
} else if (STRPREFIX(val, "/dev")) {
source->type = VIR_DOMAIN_CHR_TYPE_DEV;
if (VIR_STRDUP(source->data.file.path, val) < 0)
goto error;
} else {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown character device syntax %s"), val);
goto error;
}
return 0;
error:
return -1;
}
static virCPUDefPtr
qemuInitGuestCPU(virDomainDefPtr dom)
{
if (!dom->cpu) {
virCPUDefPtr cpu;
if (VIR_ALLOC(cpu) < 0)
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 = NULL;
char **tokens;
char **hv_tokens = NULL;
char *model = NULL;
int ret = -1;
size_t i;
if (!(tokens = virStringSplit(val, ",", 0)))
goto cleanup;
if (tokens[0] == NULL)
goto syntax;
for (i = 0; tokens[i] != NULL; i++) {
if (*tokens[i] == '\0')
goto syntax;
if (i == 0) {
if (VIR_STRDUP(model, tokens[i]) < 0)
goto cleanup;
if (!STREQ(model, "qemu32") && !STREQ(model, "qemu64")) {
if (!(cpu = qemuInitGuestCPU(dom)))
goto cleanup;
cpu->model = model;
model = NULL;
}
} else if (*tokens[i] == '+' || *tokens[i] == '-') {
const char *feature = tokens[i] + 1; /* '+' or '-' */
int policy;
if (*tokens[i] == '+')
policy = VIR_CPU_FEATURE_REQUIRE;
else
policy = VIR_CPU_FEATURE_DISABLE;
if (*feature == '\0')
goto syntax;
if (dom->os.arch != VIR_ARCH_X86_64 &&
dom->os.arch != VIR_ARCH_I686) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("%s platform doesn't support CPU features'"),
virArchToString(dom->os.arch));
goto cleanup;
}
if (STREQ(feature, "kvmclock")) {
bool present = (policy == VIR_CPU_FEATURE_REQUIRE);
size_t j;
for (j = 0; j < dom->clock.ntimers; j++) {
if (dom->clock.timers[j]->name == VIR_DOMAIN_TIMER_NAME_KVMCLOCK)
break;
}
if (j == dom->clock.ntimers) {
virDomainTimerDefPtr timer;
if (VIR_ALLOC(timer) < 0 ||
VIR_APPEND_ELEMENT_COPY(dom->clock.timers,
dom->clock.ntimers, timer) < 0) {
VIR_FREE(timer);
goto cleanup;
}
timer->name = VIR_DOMAIN_TIMER_NAME_KVMCLOCK;
timer->present = present;
timer->tickpolicy = -1;
timer->track = -1;
timer->mode = -1;
} else if (dom->clock.timers[j]->present != -1 &&
dom->clock.timers[j]->present != present) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("conflicting occurrences of kvmclock feature"));
goto cleanup;
}
} else if (STREQ(feature, "kvm_pv_eoi")) {
if (policy == VIR_CPU_FEATURE_REQUIRE)
dom->apic_eoi = VIR_TRISTATE_SWITCH_ON;
else
dom->apic_eoi = VIR_TRISTATE_SWITCH_OFF;
} else {
if (!cpu) {
if (!(cpu = qemuInitGuestCPU(dom)))
goto cleanup;
cpu->model = model;
model = NULL;
}
if (virCPUDefAddFeature(cpu, feature, policy) < 0)
goto cleanup;
}
} else if (STRPREFIX(tokens[i], "hv_")) {
const char *token = tokens[i] + 3; /* "hv_" */
const char *feature, *value;
int f;
if (*token == '\0')
goto syntax;
if (!(hv_tokens = virStringSplit(token, "=", 2)))
goto cleanup;
feature = hv_tokens[0];
value = hv_tokens[1];
if (*feature == '\0')
goto syntax;
dom->features[VIR_DOMAIN_FEATURE_HYPERV] = VIR_TRISTATE_SWITCH_ON;
if ((f = virDomainHypervTypeFromString(feature)) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("unsupported HyperV Enlightenment feature "
"'%s'"), feature);
goto cleanup;
}
switch ((virDomainHyperv) f) {
case VIR_DOMAIN_HYPERV_RELAXED:
case VIR_DOMAIN_HYPERV_VAPIC:
if (value) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("HyperV feature '%s' should not "
"have a value"), feature);
goto cleanup;
}
dom->hyperv_features[f] = VIR_TRISTATE_SWITCH_ON;
break;
case VIR_DOMAIN_HYPERV_SPINLOCKS:
dom->hyperv_features[f] = VIR_TRISTATE_SWITCH_ON;
if (!value) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("missing HyperV spinlock retry count"));
goto cleanup;
}
if (virStrToLong_ui(value, NULL, 0, &dom->hyperv_spinlocks) < 0) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("cannot parse HyperV spinlock retry count"));
goto cleanup;
}
if (dom->hyperv_spinlocks < 0xFFF)
dom->hyperv_spinlocks = 0xFFF;
break;
case VIR_DOMAIN_HYPERV_LAST:
break;
}
virStringFreeList(hv_tokens);
hv_tokens = NULL;
} else if (STREQ(tokens[i], "kvm=off")) {
dom->features[VIR_DOMAIN_FEATURE_KVM] = VIR_TRISTATE_SWITCH_ON;
dom->kvm_features[VIR_DOMAIN_KVM_HIDDEN] = VIR_TRISTATE_SWITCH_ON;
}
}
if (dom->os.arch == VIR_ARCH_X86_64) {
bool is_32bit = false;
if (cpu) {
virCPUDataPtr cpuData = NULL;
if (cpuEncode(VIR_ARCH_X86_64, cpu, NULL, &cpuData,
NULL, NULL, NULL, NULL) < 0)
goto cleanup;
is_32bit = (cpuHasFeature(cpuData, "lm") != 1);
cpuDataFree(cpuData);
} else if (model) {
is_32bit = STREQ(model, "qemu32");
}
if (is_32bit)
dom->os.arch = VIR_ARCH_I686;
}
ret = 0;
cleanup:
VIR_FREE(model);
virStringFreeList(tokens);
virStringFreeList(hv_tokens);
return ret;
syntax:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown CPU syntax '%s'"), val);
goto cleanup;
}
static int
qemuParseCommandLineSmp(virDomainDefPtr dom,
const char *val)
{
unsigned int sockets = 0;
unsigned int cores = 0;
unsigned int threads = 0;
unsigned int maxcpus = 0;
size_t i;
int nkws;
char **kws;
char **vals;
int n;
char *end;
int ret;
if (qemuParseKeywords(val, &kws, &vals, &nkws, 1) < 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:
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse CPU topology '%s'"), val);
error:
ret = -1;
goto cleanup;
}
static void
qemuParseCommandLineBootDevs(virDomainDefPtr def, const char *str)
{
int n, b = 0;
for (n = 0; str[n] && b < VIR_DOMAIN_BOOT_LAST; n++) {
if (str[n] == 'a')
def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_FLOPPY;
else if (str[n] == 'c')
def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_DISK;
else if (str[n] == 'd')
def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_CDROM;
else if (str[n] == 'n')
def->os.bootDevs[b++] = VIR_DOMAIN_BOOT_NET;
else if (str[n] == ',')
break;
}
def->os.nBootDevs = b;
}
/*
* Analyse the env and argv settings and reconstruct a
* virDomainDefPtr representing these settings as closely
* as is practical. This is not an exact science....
*/
static virDomainDefPtr
qemuParseCommandLine(virCapsPtr qemuCaps,
virDomainXMLOptionPtr xmlopt,
char **progenv,
char **progargv,
char **pidfile,
virDomainChrSourceDefPtr *monConfig,
bool *monJSON)
{
virDomainDefPtr def;
size_t i;
bool nographics = false;
bool fullscreen = false;
char **list = NULL;
char *path;
size_t nnics = 0;
const char **nics = NULL;
int video = VIR_DOMAIN_VIDEO_TYPE_CIRRUS;
int nvirtiodisk = 0;
qemuDomainCmdlineDefPtr cmd = NULL;
virDomainDiskDefPtr disk = NULL;
const char *ceph_args = qemuFindEnv(progenv, "CEPH_ARGS");
if (pidfile)
*pidfile = NULL;
if (monConfig)
*monConfig = NULL;
if (monJSON)
*monJSON = false;
if (!progargv[0]) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("no emulator path found"));
return NULL;
}
if (!(def = virDomainDefNew()))
goto error;
/* allocate the cmdlinedef up-front; if it's unused, we'll free it later */
if (VIR_ALLOC(cmd) < 0)
goto error;
if (virUUIDGenerate(def->uuid) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("failed to generate uuid"));
goto error;
}
def->id = -1;
def->mem.cur_balloon = 64 * 1024;
virDomainDefSetMemoryInitial(def, def->mem.cur_balloon);
def->maxvcpus = 1;
def->vcpus = 1;
def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_UTC;
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 (VIR_STRDUP(def->emulator, progargv[0]) < 0)
goto error;
if (!(path = last_component(def->emulator)))
goto error;
if (strstr(path, "xenner")) {
def->virtType = VIR_DOMAIN_VIRT_KVM;
def->os.type = VIR_DOMAIN_OSTYPE_XEN;
} else {
def->os.type = VIR_DOMAIN_OSTYPE_HVM;
if (strstr(path, "kvm")) {
def->virtType = VIR_DOMAIN_VIRT_KVM;
def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_TRISTATE_SWITCH_ON;
}
}
if (def->virtType == VIR_DOMAIN_VIRT_KVM)
def->os.arch = qemuCaps->host.arch;
else if (STRPREFIX(path, "qemu-system-"))
def->os.arch = virArchFromString(path + strlen("qemu-system-"));
else
def->os.arch = VIR_ARCH_I686;
if ((def->os.arch == VIR_ARCH_I686) ||
(def->os.arch == VIR_ARCH_X86_64))
def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_TRISTATE_SWITCH_ON;
#define WANT_VALUE() \
const char *val = progargv[++i]; \
if (!val) { \
virReportError(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") &&
VIR_APPEND_ELEMENT(nics, nnics, val) < 0)
goto error;
}
}
/* Now the real processing loop */
for (i = 1; progargv[i]; i++) {
const char *arg = progargv[i];
bool argRecognized = true;
/* 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 error;
vnc->type = VIR_DOMAIN_GRAPHICS_TYPE_VNC;
if (STRPREFIX(val, "unix:")) {
/* -vnc unix:/some/big/path */
if (VIR_STRDUP(vnc->data.vnc.socket, val + 5) < 0) {
virDomainGraphicsDefFree(vnc);
goto error;
}
} else {
/*
* -vnc 127.0.0.1:4
* -vnc [2001:1:2:3:4:5:1234:1234]:4
* -vnc some.host.name:4
*/
char *opts;
char *port;
const char *sep = ":";
if (val[0] == '[')
sep = "]:";
tmp = strstr(val, sep);
if (!tmp) {
virDomainGraphicsDefFree(vnc);
virReportError(VIR_ERR_INTERNAL_ERROR,
_("missing VNC port number in '%s'"), val);
goto error;
}
port = tmp + strlen(sep);
if (virStrToLong_i(port, &opts, 10,
&vnc->data.vnc.port) < 0) {
virDomainGraphicsDefFree(vnc);
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse VNC port '%s'"), port);
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 error;
}
if (*opts == ',') {
char *orig_opts;
if (VIR_STRDUP(orig_opts, opts + 1) < 0) {
virDomainGraphicsDefFree(vnc);
goto error;
}
opts = orig_opts;
while (opts && *opts) {
char *nextopt = strchr(opts, ',');
if (nextopt)
*(nextopt++) = '\0';
if (STRPREFIX(opts, "websocket")) {
char *websocket = opts + strlen("websocket");
if (*(websocket++) == '=' &&
*websocket) {
/* If the websocket continues with
* '=<something>', we'll parse it */
if (virStrToLong_i(websocket,
NULL, 0,
&vnc->data.vnc.websocket) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse VNC "
"WebSocket port '%s'"),
websocket);
virDomainGraphicsDefFree(vnc);
VIR_FREE(orig_opts);
goto error;
}
} else {
/* Otherwise, we'll compute the port the same
* way QEMU does, by adding a 5700 to the
* display value. */
vnc->data.vnc.websocket =
vnc->data.vnc.port + 5700;
}
} else if (STRPREFIX(opts, "share=")) {
char *sharePolicy = opts + strlen("share=");
if (sharePolicy && *sharePolicy) {
int policy =
virDomainGraphicsVNCSharePolicyTypeFromString(sharePolicy);
if (policy < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unknown vnc display sharing policy '%s'"),
sharePolicy);
virDomainGraphicsDefFree(vnc);
VIR_FREE(orig_opts);
goto error;
} else {
vnc->data.vnc.sharePolicy = policy;
}
} else {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("missing vnc sharing policy"));
virDomainGraphicsDefFree(vnc);
VIR_FREE(orig_opts);
goto error;
}
}
opts = nextopt;
}
VIR_FREE(orig_opts);
}
vnc->data.vnc.port += 5900;
vnc->data.vnc.autoport = false;
}
if (VIR_APPEND_ELEMENT(def->graphics, def->ngraphics, vnc) < 0) {
virDomainGraphicsDefFree(vnc);
goto error;
}
} else if (STREQ(arg, "-m")) {
int mem;
WANT_VALUE();
if (virStrToLong_i(val, NULL, 10, &mem) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, \
_("cannot parse memory level '%s'"), val);
goto error;
}
virDomainDefSetMemoryInitial(def, mem * 1024);
def->mem.cur_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) {
virReportError(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 (!(disk = virDomainDiskDefNew(xmlopt)))
goto error;
if (STRPREFIX(val, "/dev/")) {
disk->src->type = VIR_STORAGE_TYPE_BLOCK;
} else if (STRPREFIX(val, "nbd:")) {
disk->src->type = VIR_STORAGE_TYPE_NETWORK;
disk->src->protocol = VIR_STORAGE_NET_PROTOCOL_NBD;
} else if (STRPREFIX(val, "rbd:")) {
disk->src->type = VIR_STORAGE_TYPE_NETWORK;
disk->src->protocol = VIR_STORAGE_NET_PROTOCOL_RBD;
val += strlen("rbd:");
} else if (STRPREFIX(val, "gluster")) {
disk->src->type = VIR_STORAGE_TYPE_NETWORK;
disk->src->protocol = VIR_STORAGE_NET_PROTOCOL_GLUSTER;
} else if (STRPREFIX(val, "sheepdog:")) {
disk->src->type = VIR_STORAGE_TYPE_NETWORK;
disk->src->protocol = VIR_STORAGE_NET_PROTOCOL_SHEEPDOG;
val += strlen("sheepdog:");
} else {
disk->src->type = VIR_STORAGE_TYPE_FILE;
}
if (STREQ(arg, "-cdrom")) {
disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
if ((ARCH_IS_PPC64(def->os.arch) &&
def->os.machine && STRPREFIX(def->os.machine, "pseries")))
disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
if (VIR_STRDUP(disk->dst, "hdc") < 0)
goto error;
disk->src->readonly = true;
} 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;
if ((ARCH_IS_PPC64(def->os.arch) &&
def->os.machine && STRPREFIX(def->os.machine, "pseries")))
disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
}
if (VIR_STRDUP(disk->dst, arg + 1) < 0)
goto error;
}
if (VIR_STRDUP(disk->src->path, val) < 0)
goto error;
if (disk->src->type == VIR_STORAGE_TYPE_NETWORK) {
char *port;
switch ((virStorageNetProtocol) disk->src->protocol) {
case VIR_STORAGE_NET_PROTOCOL_NBD:
if (qemuParseNBDString(disk) < 0)
goto error;
break;
case VIR_STORAGE_NET_PROTOCOL_RBD:
/* old-style CEPH_ARGS env variable is parsed later */
if (!ceph_args && qemuParseRBDString(disk) < 0)
goto error;
break;
case VIR_STORAGE_NET_PROTOCOL_SHEEPDOG:
/* disk->src must be [vdiname] or [host]:[port]:[vdiname] */
port = strchr(disk->src->path, ':');
if (port) {
char *vdi;
*port++ = '\0';
vdi = strchr(port, ':');
if (!vdi) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse sheepdog filename '%s'"), val);
goto error;
}
*vdi++ = '\0';
if (VIR_ALLOC(disk->src->hosts) < 0)
goto error;
disk->src->nhosts = 1;
disk->src->hosts->name = disk->src->path;
if (VIR_STRDUP(disk->src->hosts->port, port) < 0)
goto error;
if (VIR_STRDUP(disk->src->path, vdi) < 0)
goto error;
}
break;
case VIR_STORAGE_NET_PROTOCOL_GLUSTER:
if (qemuParseGlusterString(disk) < 0)
goto error;
break;
case VIR_STORAGE_NET_PROTOCOL_ISCSI:
if (qemuParseISCSIString(disk) < 0)
goto error;
break;
case VIR_STORAGE_NET_PROTOCOL_HTTP:
case VIR_STORAGE_NET_PROTOCOL_HTTPS:
case VIR_STORAGE_NET_PROTOCOL_FTP:
case VIR_STORAGE_NET_PROTOCOL_FTPS:
case VIR_STORAGE_NET_PROTOCOL_TFTP:
case VIR_STORAGE_NET_PROTOCOL_LAST:
case VIR_STORAGE_NET_PROTOCOL_NONE:
/* ignored for now */
break;
}
}
if (virDomainDiskDefAssignAddress(xmlopt, disk) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Cannot assign address for device name '%s'"),
disk->dst);
goto error;
}
if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0)
goto error;
} else if (STREQ(arg, "-no-acpi")) {
def->features[VIR_DOMAIN_FEATURE_ACPI] = VIR_TRISTATE_SWITCH_ABSENT;
} 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, "-enable-kvm")) {
def->virtType = VIR_DOMAIN_VIRT_KVM;
} else if (STREQ(arg, "-nographic")) {
nographics = true;
} else if (STREQ(arg, "-full-screen")) {
fullscreen = true;
} else if (STREQ(arg, "-localtime")) {
def->clock.offset = VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME;
} else if (STREQ(arg, "-kernel")) {
WANT_VALUE();
if (VIR_STRDUP(def->os.kernel, val) < 0)
goto error;
} else if (STREQ(arg, "-bios")) {
WANT_VALUE();
if (VIR_ALLOC(def->os.loader) < 0 ||
VIR_STRDUP(def->os.loader->path, val) < 0)
goto error;
} else if (STREQ(arg, "-initrd")) {
WANT_VALUE();
if (VIR_STRDUP(def->os.initrd, val) < 0)
goto error;
} else if (STREQ(arg, "-append")) {
WANT_VALUE();
if (VIR_STRDUP(def->os.cmdline, val) < 0)
goto error;
} else if (STREQ(arg, "-dtb")) {
WANT_VALUE();
if (VIR_STRDUP(def->os.dtb, val) < 0)
goto error;
} else if (STREQ(arg, "-boot")) {
const char *token = NULL;
WANT_VALUE();
if (!strchr(val, ',')) {
qemuParseCommandLineBootDevs(def, val);
} else {
token = val;
while (token && *token) {
if (STRPREFIX(token, "order=")) {
token += strlen("order=");
qemuParseCommandLineBootDevs(def, token);
} else if (STRPREFIX(token, "menu=on")) {
def->os.bootmenu = 1;
} else if (STRPREFIX(token, "reboot-timeout=")) {
int num;
char *endptr;
if (virStrToLong_i(token + strlen("reboot-timeout="),
&endptr, 10, &num) < 0 ||
(*endptr != '\0' && endptr != strchr(token, ','))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("cannot parse reboot-timeout value"));
goto error;
}
if (num > 65535)
num = 65535;
else if (num < -1)
num = -1;
def->os.bios.rt_delay = num;
def->os.bios.rt_set = true;
}
token = strchr(token, ',');
/* This incrementation has to be done here in order to make it
* possible to pass the token pointer properly into the loop */
if (token)
token++;
}
}
} else if (STREQ(arg, "-name")) {
char *process;
WANT_VALUE();
process = strstr(val, ",process=");
if (process == NULL) {
if (VIR_STRDUP(def->name, val) < 0)
goto error;
} else {
if (VIR_STRNDUP(def->name, val, process - val) < 0)
goto error;
}
if (STREQ(def->name, ""))
VIR_FREE(def->name);
} else if (STREQ(arg, "-M") ||
STREQ(arg, "-machine")) {
char *param;
size_t j = 0;
/* -machine [type=]name[,prop[=value][,...]]
* Set os.machine only if first parameter lacks '=' or
* contains explicit type='...' */
WANT_VALUE();
if (!(list = virStringSplit(val, ",", 0)))
goto error;
param = list[0];
if (STRPREFIX(param, "type="))
param += strlen("type=");
if (!strchr(param, '=')) {
if (VIR_STRDUP(def->os.machine, param) < 0)
goto error;
j++;
}
/* handle all remaining "-machine" parameters */
while ((param = list[j++])) {
if (STRPREFIX(param, "dump-guest-core=")) {
param += strlen("dump-guest-core=");
def->mem.dump_core = virTristateSwitchTypeFromString(param);
if (def->mem.dump_core <= 0)
def->mem.dump_core = VIR_TRISTATE_SWITCH_ABSENT;
} else if (STRPREFIX(param, "mem-merge=off")) {
def->mem.nosharepages = true;
} else if (STRPREFIX(param, "accel=kvm")) {
def->virtType = VIR_DOMAIN_VIRT_KVM;
def->features[VIR_DOMAIN_FEATURE_PAE] = VIR_TRISTATE_SWITCH_ON;
} else if (STRPREFIX(param, "aes-key-wrap=")) {
if (STREQ(arg, "-M")) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("aes-key-wrap is not supported with "
"this QEMU binary"));
goto error;
}
param += strlen("aes-key-wrap=");
if (!def->keywrap && VIR_ALLOC(def->keywrap) < 0)
goto error;
def->keywrap->aes = virTristateSwitchTypeFromString(param);
if (def->keywrap->aes < 0)
def->keywrap->aes = VIR_TRISTATE_SWITCH_ABSENT;
} else if (STRPREFIX(param, "dea-key-wrap=")) {
if (STREQ(arg, "-M")) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("dea-key-wrap is not supported with "
"this QEMU binary"));
goto error;
}
param += strlen("dea-key-wrap=");
if (!def->keywrap && VIR_ALLOC(def->keywrap) < 0)
goto error;
def->keywrap->dea = virTristateSwitchTypeFromString(param);
if (def->keywrap->dea < 0)
def->keywrap->dea = VIR_TRISTATE_SWITCH_ABSENT;
}
}
virStringFreeList(list);
list = NULL;
} 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;
}
chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL;
chr->target.port = def->nserials;
if (VIR_APPEND_ELEMENT(def->serials, def->nserials, chr) < 0) {
virDomainChrDefFree(chr);
goto error;
}
}
} 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;
}
chr->deviceType = VIR_DOMAIN_CHR_DEVICE_TYPE_PARALLEL;
chr->target.port = def->nparallels;
if (VIR_APPEND_ELEMENT(def->parallels, def->nparallels, chr) < 0) {
virDomainChrDefFree(chr);
goto error;
}
}
} else if (STREQ(arg, "-usbdevice")) {
WANT_VALUE();
if (STREQ(val, "tablet") ||
STREQ(val, "mouse") ||
STREQ(val, "keyboard")) {
virDomainInputDefPtr input;
if (VIR_ALLOC(input) < 0)
goto error;
input->bus = VIR_DOMAIN_INPUT_BUS_USB;
if (STREQ(val, "tablet"))
input->type = VIR_DOMAIN_INPUT_TYPE_TABLET;
else if (STREQ(val, "mouse"))
input->type = VIR_DOMAIN_INPUT_TYPE_MOUSE;
else
input->type = VIR_DOMAIN_INPUT_TYPE_KBD;
if (VIR_APPEND_ELEMENT(def->inputs, def->ninputs, input) < 0) {
virDomainInputDefFree(input);
goto error;
}
} else if (STRPREFIX(val, "disk:")) {
if (!(disk = virDomainDiskDefNew(xmlopt)))
goto error;
if (VIR_STRDUP(disk->src->path, val + strlen("disk:")) < 0)
goto error;
if (STRPREFIX(disk->src->path, "/dev/"))
disk->src->type = VIR_STORAGE_TYPE_BLOCK;
else
disk->src->type = VIR_STORAGE_TYPE_FILE;
disk->device = VIR_DOMAIN_DISK_DEVICE_DISK;
disk->bus = VIR_DOMAIN_DISK_BUS_USB;
disk->removable = VIR_TRISTATE_SWITCH_ABSENT;
if (VIR_STRDUP(disk->dst, "sda") < 0)
goto error;
if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0)
goto error;
} else {
virDomainHostdevDefPtr hostdev;
if (!(hostdev = qemuParseCommandLineUSB(val)))
goto error;
if (VIR_APPEND_ELEMENT(def->hostdevs, def->nhostdevs, hostdev) < 0) {
virDomainHostdevDefFree(hostdev);
goto error;
}
}
} else if (STREQ(arg, "-net")) {
WANT_VALUE();
if (!STRPREFIX(val, "nic") && STRNEQ(val, "none")) {
virDomainNetDefPtr net;
if (!(net = qemuParseCommandLineNet(xmlopt, val, nnics, nics)))
goto error;
if (VIR_APPEND_ELEMENT(def->nets, def->nnets, net) < 0) {
virDomainNetDefFree(net);
goto error;
}
}
} else if (STREQ(arg, "-drive")) {
WANT_VALUE();
if (!(disk = qemuParseCommandLineDisk(xmlopt, val, def,
nvirtiodisk,
ceph_args != NULL)))
goto error;
if (disk->bus == VIR_DOMAIN_DISK_BUS_VIRTIO)
nvirtiodisk++;
if (VIR_APPEND_ELEMENT(def->disks, def->ndisks, disk) < 0)
goto error;
} else if (STREQ(arg, "-pcidevice")) {
virDomainHostdevDefPtr hostdev;
WANT_VALUE();
if (!(hostdev = qemuParseCommandLinePCI(val)))
goto error;
if (VIR_APPEND_ELEMENT(def->hostdevs, def->nhostdevs, hostdev) < 0) {
virDomainHostdevDefFree(hostdev);
goto error;
}
} 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 error;
snd->model = type;
if (VIR_APPEND_ELEMENT(def->sounds, def->nsounds, snd) < 0) {
VIR_FREE(snd);
goto error;
}
}
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 error;
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();
if (VIR_STRDUP(def->os.bootloader, val) < 0)
goto error;
} 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) {
virReportError(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")) {
virDomainControllerDefPtr ctldef;
if (VIR_ALLOC(ctldef) < 0)
goto error;
ctldef->type = VIR_DOMAIN_CONTROLLER_TYPE_USB;
ctldef->idx = 0;
ctldef->model = -1;
if (virDomainControllerInsert(def, ctldef) < 0) {
VIR_FREE(ctldef);
goto error;
}
} else if (STREQ(arg, "-pidfile")) {
WANT_VALUE();
if (pidfile)
if (VIR_STRDUP(*pidfile, val) < 0)
goto error;
} 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 error;
if (qemuParseCommandLineChr(chr, val) < 0) {
virDomainChrSourceDefFree(chr);
goto error;
}
*monConfig = chr;
}
} else if (STREQ(arg, "-global") &&
STRPREFIX(progargv[i + 1], "PIIX4_PM.disable_s3=")) {
/* We want to parse only the known "-global" parameters,
* so the ones that we don't know are still added to the
* namespace */
WANT_VALUE();
val += strlen("PIIX4_PM.disable_s3=");
if (STREQ(val, "0")) {
def->pm.s3 = VIR_TRISTATE_BOOL_YES;
} else if (STREQ(val, "1")) {
def->pm.s3 = VIR_TRISTATE_BOOL_NO;
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("invalid value for disable_s3 parameter: "
"'%s'"), val);
goto error;
}
} else if (STREQ(arg, "-global") &&
STRPREFIX(progargv[i + 1], "PIIX4_PM.disable_s4=")) {
WANT_VALUE();
val += strlen("PIIX4_PM.disable_s4=");
if (STREQ(val, "0")) {
def->pm.s4 = VIR_TRISTATE_BOOL_YES;
} else if (STREQ(val, "1")) {
def->pm.s4 = VIR_TRISTATE_BOOL_NO;
} else {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("invalid value for disable_s4 parameter: "
"'%s'"), val);
goto error;
}
} else if (STREQ(arg, "-global") &&
STRPREFIX(progargv[i + 1], "spapr-nvram.reg=")) {
WANT_VALUE();
if (VIR_ALLOC(def->nvram) < 0)
goto error;
def->nvram->info.type = VIR_DOMAIN_DEVICE_ADDRESS_TYPE_SPAPRVIO;
def->nvram->info.addr.spaprvio.has_reg = true;
val += strlen("spapr-nvram.reg=");
if (virStrToLong_ull(val, NULL, 16,
&def->nvram->info.addr.spaprvio.reg) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("cannot parse nvram's address '%s'"), val);
goto error;
}
} else if (STREQ(arg, "-S") ||
STREQ(arg, "-nodefaults") ||
STREQ(arg, "-nodefconfig")) {
/* ignore, always added by libvirt */
} else if (STREQ(arg, "-device") && progargv[1 + 1]) {
const char *opts = progargv[i + 1];
/* NB: we can't do WANT_VALUE until we're sure that we
* recognize the device, otherwise the !argRecognized
* logic below will be messed up
*/
if (STRPREFIX(opts, "virtio-balloon")) {
WANT_VALUE();
if (VIR_ALLOC(def->memballoon) < 0)
goto error;
def->memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_VIRTIO;
} else {
/* add in new -device's here */
argRecognized = false;
}
} else {
argRecognized = false;
}
if (!argRecognized) {
char *tmp = NULL;
/* 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_STRDUP(tmp, arg) < 0 ||
VIR_APPEND_ELEMENT(cmd->args, cmd->num_args, tmp) < 0) {
VIR_FREE(tmp);
goto error;
}
}
}
#undef WANT_VALUE
if (def->ndisks > 0 && ceph_args) {
char *hosts, *port, *saveptr = NULL, *token;
virDomainDiskDefPtr first_rbd_disk = NULL;
for (i = 0; i < def->ndisks; i++) {
if (def->disks[i]->src->type == VIR_STORAGE_TYPE_NETWORK &&
def->disks[i]->src->protocol == VIR_STORAGE_NET_PROTOCOL_RBD) {
first_rbd_disk = def->disks[i];
break;
}
}
if (!first_rbd_disk) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("CEPH_ARGS was set without an rbd disk"));
goto error;
}
/* CEPH_ARGS should be: -m host1[:port1][,host2[:port2]]... */
if (!STRPREFIX(ceph_args, "-m ")) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("could not parse CEPH_ARGS '%s'"), ceph_args);
goto error;
}
if (VIR_STRDUP(hosts, strchr(ceph_args, ' ') + 1) < 0)
goto error;
first_rbd_disk->src->nhosts = 0;
token = strtok_r(hosts, ",", &saveptr);
while (token != NULL) {
if (VIR_REALLOC_N(first_rbd_disk->src->hosts,
first_rbd_disk->src->nhosts + 1) < 0) {
VIR_FREE(hosts);
goto error;
}
port = strchr(token, ':');
if (port) {
*port++ = '\0';
if (VIR_STRDUP(port, port) < 0) {
VIR_FREE(hosts);
goto error;
}
}
first_rbd_disk->src->hosts[first_rbd_disk->src->nhosts].port = port;
if (VIR_STRDUP(first_rbd_disk->src->hosts[first_rbd_disk->src->nhosts].name,
token) < 0) {
VIR_FREE(hosts);
goto error;
}
first_rbd_disk->src->hosts[first_rbd_disk->src->nhosts].transport = VIR_STORAGE_NET_HOST_TRANS_TCP;
first_rbd_disk->src->hosts[first_rbd_disk->src->nhosts].socket = NULL;
first_rbd_disk->src->nhosts++;
token = strtok_r(NULL, ",", &saveptr);
}
VIR_FREE(hosts);
if (first_rbd_disk->src->nhosts == 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("found no rbd hosts in CEPH_ARGS '%s'"), ceph_args);
goto error;
}
}
if (!def->os.machine) {
virCapsDomainDataPtr capsdata;
if (!(capsdata = virCapabilitiesDomainDataLookup(qemuCaps, def->os.type,
def->os.arch, def->virtType, NULL, NULL)))
goto error;
if (VIR_STRDUP(def->os.machine, capsdata->machinetype) < 0) {
VIR_FREE(capsdata);
goto error;
}
VIR_FREE(capsdata);
}
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 error;
sdl->type = VIR_DOMAIN_GRAPHICS_TYPE_SDL;
sdl->data.sdl.fullscreen = fullscreen;
if (VIR_STRDUP(sdl->data.sdl.display, display) < 0) {
VIR_FREE(sdl);
goto error;
}
if (VIR_STRDUP(sdl->data.sdl.xauth, xauth) < 0) {
VIR_FREE(sdl);
goto error;
}
if (VIR_APPEND_ELEMENT(def->graphics, def->ngraphics, sdl) < 0) {
virDomainGraphicsDefFree(sdl);
goto error;
}
}
if (def->ngraphics) {
virDomainVideoDefPtr vid;
if (VIR_ALLOC(vid) < 0)
goto error;
if (def->virtType == VIR_DOMAIN_VIRT_XEN)
vid->type = VIR_DOMAIN_VIDEO_TYPE_XEN;
else
vid->type = video;
vid->vram = virDomainVideoDefaultRAM(def, vid->type);
if (vid->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
vid->ram = virDomainVideoDefaultRAM(def, vid->type);
vid->vgamem = QEMU_QXL_VGAMEM_DEFAULT;
} else {
vid->ram = 0;
vid->vgamem = 0;
}
vid->heads = 1;
if (VIR_APPEND_ELEMENT(def->videos, def->nvideos, vid) < 0) {
virDomainVideoDefFree(vid);
goto error;
}
}
/*
* 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 error;
memballoon->model = VIR_DOMAIN_MEMBALLOON_MODEL_NONE;
def->memballoon = memballoon;
}
VIR_FREE(nics);
if (virDomainDefAddImplicitControllers(def) < 0)
goto error;
if (virDomainDefPostParse(def, qemuCaps, xmlopt) < 0)
goto error;
if (cmd->num_args || cmd->num_env) {
def->ns = *virDomainXMLOptionGetNamespace(xmlopt);
def->namespaceData = cmd;
}
else
qemuDomainCmdlineDefFree(cmd);
return def;
error:
virDomainDiskDefFree(disk);
qemuDomainCmdlineDefFree(cmd);
virDomainDefFree(def);
virStringFreeList(list);
VIR_FREE(nics);
if (monConfig) {
virDomainChrSourceDefFree(*monConfig);
*monConfig = NULL;
}
if (pidfile)
VIR_FREE(*pidfile);
return NULL;
}
virDomainDefPtr qemuParseCommandLineString(virCapsPtr qemuCaps,
virDomainXMLOptionPtr xmlopt,
const char *args,
char **pidfile,
virDomainChrSourceDefPtr *monConfig,
bool *monJSON)
{
char **progenv = NULL;
char **progargv = NULL;
virDomainDefPtr def = NULL;
if (qemuStringToArgvEnv(args, &progenv, &progargv) < 0)
goto cleanup;
def = qemuParseCommandLine(qemuCaps, xmlopt, progenv, progargv,
pidfile, monConfig, monJSON);
cleanup:
virStringFreeList(progargv);
virStringFreeList(progenv);
return def;
}
static int qemuParseProcFileStrings(int pid_value,
const char *name,
char ***list)
{
char *path = NULL;
int ret = -1;
char *data = NULL;
ssize_t len;
char *tmp;
size_t nstr = 0;
char **str = NULL;
if (virAsprintf(&path, "/proc/%d/%s", pid_value, name) < 0)
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)
goto cleanup;
if (VIR_STRDUP(str[nstr-1], tmp) < 0)
goto cleanup;
/* Skip arg */
tmp += strlen(tmp);
/* Skip \0 separator */
tmp++;
}
if (VIR_EXPAND_N(str, nstr, 1) < 0)
goto cleanup;
str[nstr-1] = NULL;
ret = nstr-1;
*list = str;
cleanup:
if (ret < 0)
virStringFreeList(str);
VIR_FREE(data);
VIR_FREE(path);
return ret;
}
virDomainDefPtr qemuParseCommandLinePid(virCapsPtr qemuCaps,
virDomainXMLOptionPtr xmlopt,
pid_t pid,
char **pidfile,
virDomainChrSourceDefPtr *monConfig,
bool *monJSON)
{
virDomainDefPtr def = NULL;
char **progargv = NULL;
char **progenv = NULL;
char *exepath = NULL;
char *emulator;
/* The parser requires /proc/pid, which only exists on platforms
* like Linux where pid_t fits in int. */
if ((int) pid != pid ||
qemuParseProcFileStrings(pid, "cmdline", &progargv) < 0 ||
qemuParseProcFileStrings(pid, "environ", &progenv) < 0)
goto cleanup;
if (!(def = qemuParseCommandLine(qemuCaps, xmlopt, progenv, progargv,
pidfile, monConfig, monJSON)))
goto cleanup;
if (virAsprintf(&exepath, "/proc/%d/exe", (int) pid) < 0)
goto cleanup;
if (virFileResolveLink(exepath, &emulator) < 0) {
virReportSystemError(errno,
_("Unable to resolve %s for pid %u"),
exepath, (int) pid);
goto cleanup;
}
VIR_FREE(def->emulator);
def->emulator = emulator;
cleanup:
VIR_FREE(exepath);
virStringFreeList(progargv);
virStringFreeList(progenv);
return def;
}
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