qemu: Generate SMBIOS Chassis strings command line

This wires up the previously added Chassis strings XML schema to be able to
generate comamnd line args for QEMU. This requires QEMU >= 2.1 release
containing this patch:

SMBIOS: Build aggregate smbios tables and entry point
https://git.qemu.org/?p=qemu.git;a=commit;h=c97294ec1b9e36887e119589d456557d72ab37b5

Signed-off-by: Zhuang Yanying <ann.zhuangyanying@huawei.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>

src/qemu/qemu_command.c

@@ -5817,6 +5817,51 @@ qemuBuildSmbiosOEMStringsStr(virSysinfoOEMStringsDefPtr def)
 }
 
 
+static char *
+qemuBuildSmbiosChassisStr(virSysinfoChassisDefPtr def)
+{
+    virBuffer buf = VIR_BUFFER_INITIALIZER;
+
+    if (!def)
+        return NULL;
+
+    virBufferAddLit(&buf, "type=3");
+
+    /* 3:Manufacturer */
+    virBufferAddLit(&buf, ",manufacturer=");
+    virQEMUBuildBufferEscapeComma(&buf, def->manufacturer);
+    /* 3:Version */
+    if (def->version) {
+        virBufferAddLit(&buf, ",version=");
+        virQEMUBuildBufferEscapeComma(&buf, def->version);
+    }
+    /* 3:Serial Number */
+    if (def->serial) {
+        virBufferAddLit(&buf, ",serial=");
+        virQEMUBuildBufferEscapeComma(&buf, def->serial);
+    }
+    /* 3:Asset Tag */
+    if (def->asset) {
+        virBufferAddLit(&buf, ",asset=");
+        virQEMUBuildBufferEscapeComma(&buf, def->asset);
+    }
+    /* 3:Sku */
+    if (def->sku) {
+        virBufferAddLit(&buf, ",sku=");
+        virQEMUBuildBufferEscapeComma(&buf, def->sku);
+    }
+
+    if (virBufferCheckError(&buf) < 0)
+        goto error;
+
+    return virBufferContentAndReset(&buf);
+
+ error:
+    virBufferFreeAndReset(&buf);
+    return NULL;
+}
+
+
 static int
 qemuBuildSmbiosCommandLine(virCommandPtr cmd,
                            virQEMUDriverPtr driver,
@@ -5888,6 +5933,12 @@ qemuBuildSmbiosCommandLine(virCommandPtr cmd,
             VIR_FREE(smbioscmd);
         }
 
+        smbioscmd = qemuBuildSmbiosChassisStr(source->chassis);
+        if (smbioscmd != NULL) {
+            virCommandAddArgList(cmd, "-smbios", smbioscmd, NULL);
+            VIR_FREE(smbioscmd);
+        }
+
         if (source->oemStrings) {
             if (!(smbioscmd = qemuBuildSmbiosOEMStringsStr(source->oemStrings)))
                 return -1;

tests/qemuxml2argvdata/smbios.args

@@ -17,6 +17,8 @@ serial=32dfcb37-5af1-552b-357c-be8c3aa38310,\
 uuid=c7a5fdbd-edaf-9455-926a-d65c16db1809,sku=1234567890,family=Red Hat' \
 -smbios 'type=2,manufacturer=Hewlett-Packard,product=0B4Ch,version=D,\
 serial=CZC1065993,asset=CZC1065993,location=Upside down' \
+-smbios 'type=3,manufacturer=Dell Inc.,version=2.12,serial=65X0XF2,\
+asset=40000101,sku=Type3Sku1' \
 -smbios 'type=11,value=Hello,value=World,value=This is,,\
  more tricky value=escaped' \
 -nographic \