[Qemu-devel] [PATCH 02/11] s390/sclpconsole: Add code to support live migration for sclpconsole

[Christian Borntraeger <borntraeger@de.ibm.com>]

From: Heinz Graalfs <graalfs@linux.vnet.ibm.com>

This patch adds the necessary life migration pieces to the sclp code
by using vmstate_register.

Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
---
 hw/char/sclpconsole.c | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/hw/char/sclpconsole.c b/hw/char/sclpconsole.c
index fd270be..856230f 100644
--- a/hw/char/sclpconsole.c
+++ b/hw/char/sclpconsole.c
@@ -197,9 +197,26 @@ static void trigger_ascii_console_data(void *opaque, int n, int level)
     sclp_service_interrupt(0);
 }
 
+static const VMStateDescription vmstate_sclpconsole = {
+    .name = "sclpconsole",
+    .version_id = 0,
+    .minimum_version_id = 0,
+    .minimum_version_id_old = 0,
+    .fields      = (VMStateField[]) {
+        VMSTATE_BOOL(event.event_pending, SCLPConsole),
+        VMSTATE_UINT8_ARRAY(iov, SCLPConsole, SIZE_BUFFER_VT220),
+        VMSTATE_UINT32(iov_sclp, SCLPConsole),
+        VMSTATE_UINT32(iov_bs, SCLPConsole),
+        VMSTATE_UINT32(iov_data_len, SCLPConsole),
+        VMSTATE_UINT32(iov_sclp_rest, SCLPConsole),
+        VMSTATE_END_OF_LIST()
+     }
+};
+
 /* qemu object creation and initialization functions */
 
 /* tell character layer our call-back functions */
+
 static int console_init(SCLPEvent *event)
 {
     static bool console_available;
@@ -223,7 +240,7 @@ static int console_init(SCLPEvent *event)
     scon->irq_read_vt220 = *qemu_allocate_irqs(trigger_ascii_console_data,
                                                NULL, 1);
 
-    return 0;
+    return vmstate_register(NULL, 0, &vmstate_sclpconsole, scon);
 }
 
 static int console_exit(SCLPEvent *event)
-- 
1.8.3.1