Setting "unpriv_sgio" to "yes" to enable the unprivleged SG_IO,
and "no" to disable it. Later patch will do the actual setting.
---
src/conf/domain_conf.c | 57 +++++++++++++++-----
src/conf/domain_conf.h | 10 ++++
...l2argv-disk-scsi-lun-passthrough-upriv-sgio.xml | 32 +++++++++++
tests/qemuxml2xmltest.c | 1 +
4 files changed, 87 insertions(+), 13 deletions(-)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-lun-passthrough-upriv-sgio.xml
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index ed8b53f..b25229a 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -236,6 +236,10 @@ VIR_ENUM_IMPL(virDomainDiskIo, VIR_DOMAIN_DISK_IO_LAST,
"default",
"native",
"threads")
+VIR_ENUM_IMPL(virDomainDiskUnprivSGIO, VIR_DOMAIN_DISK_UNPRIV_SGIO_LAST,
+ "default",
+ "yes",
+ "no")
VIR_ENUM_IMPL(virDomainIoEventFd, VIR_DOMAIN_IO_EVENT_FD_LAST,
"default",
"on",
@@ -3515,6 +3519,7 @@ virDomainDiskDefParseXML(virCapsPtr caps,
char *device = NULL;
char *snapshot = NULL;
char *rawio = NULL;
+ char *unpriv_sgio = NULL;
char *driverName = NULL;
char *driverType = NULL;
char *source = NULL;
@@ -3576,6 +3581,7 @@ virDomainDiskDefParseXML(virCapsPtr caps,
snapshot = virXMLPropString(node, "snapshot");
rawio = virXMLPropString(node, "rawio");
+ unpriv_sgio = virXMLPropString(node, "unpriv_sgio");
cur = node->children;
while (cur != NULL) {
@@ -3966,24 +3972,45 @@ virDomainDiskDefParseXML(virCapsPtr caps,
def->snapshot = VIR_DOMAIN_SNAPSHOT_LOCATION_NONE;
}
+ if (rawio && unpriv_sgio) {
+ virReportError(VIR_ERR_XML_ERROR, "%s",
+ _("rawio and unpriv_sgio are exclusive"));
+ goto error;
+ }
+
+ if ((rawio || unpriv_sgio) &&
+ (def->device != VIR_DOMAIN_DISK_DEVICE_LUN)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("rawio can be used only with device='lun'"));
+ goto error;
+ }
+
if (rawio) {
def->rawio_specified = true;
- if (def->device == VIR_DOMAIN_DISK_DEVICE_LUN) {
- if (STREQ(rawio, "yes")) {
- def->rawio = 1;
- } else if (STREQ(rawio, "no")) {
- def->rawio = 0;
- } else {
- virReportError(VIR_ERR_XML_ERROR,
- _("unknown disk rawio setting '%s'"),
- rawio);
- goto error;
- }
+ if (STREQ(rawio, "yes")) {
+ def->rawio = 1;
+ } else if (STREQ(rawio, "no")) {
+ def->rawio = 0;
} else {
- virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
- _("rawio can be used only with device='lun'"));
+ virReportError(VIR_ERR_XML_ERROR,
+ _("unknown disk rawio setting '%s'"),
+ rawio);
+ goto error;
+ }
+ }
+
+ if (unpriv_sgio) {
+ int unpriv_sgio_val = 0;
+
+ if ((unpriv_sgio_val =
+ virDomainDiskUnprivSGIOTypeFromString(unpriv_sgio)) < 0) {
+ virReportError(VIR_ERR_XML_ERROR,
+ _("unknown disk unpriv_sgio setting '%s'"),
+ unpriv_sgio);
goto error;
}
+
+ def->unpriv_sgio = unpriv_sgio_val;
}
if (bus) {
@@ -4220,6 +4247,7 @@ cleanup:
VIR_FREE(type);
VIR_FREE(snapshot);
VIR_FREE(rawio);
+ VIR_FREE(unpriv_sgio);
VIR_FREE(target);
VIR_FREE(source);
VIR_FREE(tray);
@@ -11897,6 +11925,9 @@ virDomainDiskDefFormat(virBufferPtr buf,
virBufferAddLit(buf, " rawio='no'");
}
}
+ if (def->unpriv_sgio)
+ virBufferAsprintf(buf, " unpriv_sgio='%s'",
+ virDomainDiskUnprivSGIOTypeToString(def->unpriv_sgio));
if (def->snapshot &&
!(def->snapshot == VIR_DOMAIN_SNAPSHOT_LOCATION_NONE && def->readonly))
virBufferAsprintf(buf, " snapshot='%s'",
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index c3e8c16..105fb7d 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -496,6 +496,14 @@ enum virDomainDiskIo {
VIR_DOMAIN_DISK_IO_LAST
};
+enum virDomainDiskUnprivSGIO {
+ VIR_DOMAIN_DISK_UNPRIV_SGIO_DEFAULT = 0,
+ VIR_DOMAIN_DISK_UNPRIV_SGIO_YES,
+ VIR_DOMAIN_DISK_UNPRIV_SGIO_NO,
+
+ VIR_DOMAIN_DISK_UNPRIV_SGIO_LAST
+};
+
enum virDomainIoEventFd {
VIR_DOMAIN_IO_EVENT_FD_DEFAULT = 0,
VIR_DOMAIN_IO_EVENT_FD_ON,
@@ -607,6 +615,7 @@ struct _virDomainDiskDef {
virStorageEncryptionPtr encryption;
bool rawio_specified;
int rawio; /* no = 0, yes = 1 */
+ int unpriv_sgio; /* no = 0, yes = 1 */
size_t nseclabels;
virSecurityDeviceLabelDefPtr *seclabels;
@@ -2197,6 +2206,7 @@ VIR_ENUM_DECL(virDomainDiskCache)
VIR_ENUM_DECL(virDomainDiskErrorPolicy)
VIR_ENUM_DECL(virDomainDiskProtocol)
VIR_ENUM_DECL(virDomainDiskIo)
+VIR_ENUM_DECL(virDomainDiskUnprivSGIO)
VIR_ENUM_DECL(virDomainDiskSecretType)
VIR_ENUM_DECL(virDomainDiskTray)
VIR_ENUM_DECL(virDomainIoEventFd)
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-lun-passthrough-upriv-sgio.xml b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-lun-passthrough-upriv-sgio.xml
new file mode 100644
index 0000000..d8f9d12
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-disk-scsi-lun-passthrough-upriv-sgio.xml
@@ -0,0 +1,32 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory unit='KiB'>219136</memory>
+ <currentMemory unit='KiB'>219136</currentMemory>
+ <vcpu placement='static'>1</vcpu>
+ <os>
+ <type arch='i686' machine='pc'>hvm</type>
+ <boot dev='hd'/>
+ </os>
+ <clock offset='utc'/>
+ <on_poweroff>destroy</on_poweroff>
+ <on_reboot>restart</on_reboot>
+ <on_crash>destroy</on_crash>
+ <devices>
+ <emulator>/usr/bin/qemu</emulator>
+ <disk type='block' device='lun' unpriv_sgio='yes'>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='hda' bus='scsi'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
+ <disk type='block' device='lun' unpriv_sgio='no'>
+ <source dev='/dev/HostVG/QEMUGuest2'/>
+ <target dev='hda' bus='scsi'/>
+ <address type='drive' controller='0' bus='0' target='1' unit='1'/>
+ </disk>
+ <controller type='scsi' index='0' model='virtio-scsi'/>
+ <controller type='scsi' index='1' model='lsilogic'/>
+ <controller type='usb' index='0'/>
+ <memballoon model='virtio'/>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
index 1d366f1..9cb4d88 100644
--- a/tests/qemuxml2xmltest.c
+++ b/tests/qemuxml2xmltest.c
@@ -238,6 +238,7 @@ mymain(void)
DO_TEST("seclabel-static");
DO_TEST("seclabel-none");
DO_TEST("numad-static-vcpu-no-numatune");
+ DO_TEST("disk-scsi-lun-passthrough-upriv-sgio");
/* These tests generate different XML */
DO_TEST_DIFFERENT("balloon-device-auto");
--
1.7.7.6
--
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