8:58 a.m.
From: "J.B. Joret" <jb(a)linux.vnet.ibm.com>
This is the QEMU backend code for the SCLP console support.
It includes SCLP capability detection, QEMU command line generation
and a test case.
Signed-off-by: J.B. Joret <jb(a)linux.vnet.ibm.com>
Signed-off-by: Viktor Mihajlovski <mihajlov(a)linux.vnet.ibm.com>
---
src/qemu/qemu_capabilities.c | 3 ++
src/qemu/qemu_capabilities.h | 1 +
src/qemu/qemu_command.c | 59 ++++++++++++++++++++++
.../qemuxml2argv-console-sclp.args | 8 +++
.../qemuxml2argvdata/qemuxml2argv-console-sclp.xml | 24 +++++++++
tests/qemuxml2argvtest.c | 3 ++
6 files changed, 98 insertions(+)
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-console-sclp.args
create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-console-sclp.xml
diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
index 97b0b24..1859f53 100644
--- a/src/qemu/qemu_capabilities.c
+++ b/src/qemu/qemu_capabilities.c
@@ -191,6 +191,8 @@ VIR_ENUM_IMPL(qemuCaps, QEMU_CAPS_LAST,
"vnc",
"drive-mirror", /* 115 */
+ "s390-sclp",
+
);
struct _qemuCaps {
@@ -1273,6 +1275,7 @@ struct qemuCapsStringFlags qemuCapsObjectTypes[] = {
{ "usb-hub", QEMU_CAPS_USB_HUB },
{ "ich9-ahci", QEMU_CAPS_ICH9_AHCI },
{ "virtio-blk-s390", QEMU_CAPS_VIRTIO_S390 },
+ { "sclpconsole", QEMU_CAPS_SCLP_S390 },
{ "lsi53c895a", QEMU_CAPS_SCSI_LSI },
{ "virtio-scsi-pci", QEMU_CAPS_VIRTIO_SCSI_PCI },
{ "spicevmc", QEMU_CAPS_DEVICE_SPICEVMC },
diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
index fb88aa1..025fc41 100644
--- a/src/qemu/qemu_capabilities.h
+++ b/src/qemu/qemu_capabilities.h
@@ -153,6 +153,7 @@ enum qemuCapsFlags {
QEMU_CAPS_BLOCK_COMMIT = 113, /* block-commit */
QEMU_CAPS_VNC = 114, /* Is -vnc available? */
QEMU_CAPS_DRIVE_MIRROR = 115, /* drive-mirror monitor command */
+ QEMU_CAPS_SCLP_S390 = 116, /* -device sclp* */
QEMU_CAPS_LAST, /* this must always be the last item */
};
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 1e96982..0fd7b16 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -3901,6 +3901,37 @@ error:
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 (virBufferError(&buf)) {
+ virReportOOMError();
+ goto error;
+ }
+
+ return virBufferContentAndReset(&buf);
+
+error:
+ virBufferFreeAndReset(&buf);
+ return NULL;
+}
+
static char *qemuBuildSmbiosBiosStr(virSysinfoDefPtr def)
{
virBuffer buf = VIR_BUFFER_INITIALIZER;
@@ -5804,6 +5835,34 @@ qemuBuildCommandLine(virConnectPtr conn,
char *devstr;
switch (console->targetType) {
+ case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLP:
+ case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_SCLPLM:
+ if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) {
+ virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
+ _("sclp console requires QEMU to support
-device"));
+ goto error;
+ }
+ if (!qemuCapsGet(caps, 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,
+ caps)))
+ goto error;
+ virCommandAddArg(cmd, devstr);
+ VIR_FREE(devstr);
+
+ virCommandAddArg(cmd, "-device");
+ if (!(devstr = qemuBuildSclpDevStr(console)))
+ goto error;
+ virCommandAddArg(cmd, devstr);
+ VIR_FREE(devstr);
+ break;
+
case VIR_DOMAIN_CHR_CONSOLE_TARGET_TYPE_VIRTIO:
if (!qemuCapsGet(caps, QEMU_CAPS_DEVICE)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-sclp.args
b/tests/qemuxml2argvdata/qemuxml2argv-console-sclp.args
new file mode 100644
index 0000000..7dc1c49
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-sclp.args
@@ -0,0 +1,8 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test /usr/bin/qemu -S -M \
+s390-virtio -m 214 -smp 1 -nographic -nodefconfig -nodefaults -chardev \
+socket,id=charmonitor,path=/tmp/test-monitor,server,nowait -mon \
+chardev=charmonitor,id=monitor,mode=readline -no-acpi -boot c \
+-usb -drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-virtio-disk0 -device \
+virtio-blk-s390,drive=drive-virtio-disk0,id=virtio-disk0 \
+-chardev pty,id=charconsole0 \
+-device sclpconsole,chardev=charconsole0,id=console0
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-console-sclp.xml
b/tests/qemuxml2argvdata/qemuxml2argv-console-sclp.xml
new file mode 100644
index 0000000..7d28b55
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-console-sclp.xml
@@ -0,0 +1,24 @@
+<domain type='qemu'>
+ <name>QEMUGuest1</name>
+ <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+ <memory>219100</memory>
+ <currentMemory>219100</currentMemory>
+ <os>
+ <type arch='s390x' machine='s390-virtio'>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='disk'>
+ <source dev='/dev/HostVG/QEMUGuest1'/>
+ <target dev='hda' bus='virtio'/>
+ </disk>
+ <console type='pty'>
+ <target type='sclp'/>
+ </console>
+ </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 48e09ab..a90ef6d 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -667,6 +667,9 @@ mymain(void)
DO_TEST("console-virtio-s390",
QEMU_CAPS_DEVICE, QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
QEMU_CAPS_DRIVE, QEMU_CAPS_VIRTIO_S390);
+ DO_TEST("console-sclp",
+ QEMU_CAPS_DEVICE, QEMU_CAPS_CHARDEV, QEMU_CAPS_NODEFCONFIG,
+ QEMU_CAPS_DRIVE, QEMU_CAPS_VIRTIO_S390, QEMU_CAPS_SCLP_S390);
DO_TEST("channel-spicevmc",
QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
QEMU_CAPS_SPICE, QEMU_CAPS_CHARDEV_SPICEVMC);
--
1.7.12.4