qemu: Add support for multiple versions of 'pseries' machine type

qemu for IBM Power processor architecture is adding functionality for
supporting multiple 'pseries' machine type versions, each with different
capabilities. This patch is for supporting the same
Signed-off-by: NPradipta Kr. Banerjee <bpradip@in.ibm.com>

src/qemu/qemu_command.c

@@ -714,7 +714,7 @@ qemuSetSCSIControllerModel(virDomainDefPtr def,
         }
     } else {
         if ((def->os.arch == VIR_ARCH_PPC64) &&
-            STREQ(def->os.machine, "pseries")) {
+            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;
@@ -1261,7 +1261,7 @@ int qemuDomainAssignSpaprVIOAddresses(virDomainDefPtr def,
     for (i = 0; i < def->nserials; i++) {
         if (def->serials[i]->deviceType == VIR_DOMAIN_CHR_DEVICE_TYPE_SERIAL &&
             (def->os.arch == VIR_ARCH_PPC64) &&
-            STREQ(def->os.machine, "pseries"))
+            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)
@@ -1270,7 +1270,7 @@ int qemuDomainAssignSpaprVIOAddresses(virDomainDefPtr def,
 
     if (def->nvram) {
         if (def->os.arch == VIR_ARCH_PPC64 &&
-            STREQ(def->os.machine, "pseries"))
+            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)
@@ -9462,7 +9462,7 @@ qemuBuildCommandLine(virConnectPtr conn,
 
     if (def->nvram) {
         if (def->os.arch == VIR_ARCH_PPC64 &&
-            STREQ(def->os.machine, "pseries")) {
+            STRPREFIX(def->os.machine, "pseries")) {
             if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_NVRAM)) {
                 virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                                _("nvram device is not supported by "
@@ -9579,7 +9579,7 @@ qemuBuildSerialChrDeviceStr(char **deviceStr,
 {
     virBuffer cmd = VIR_BUFFER_INITIALIZER;
 
-    if ((arch == VIR_ARCH_PPC64) && STREQ(machine, "pseries")) {
+    if ((arch == VIR_ARCH_PPC64) && 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",
@@ -10002,7 +10002,7 @@ qemuParseCommandLineDisk(virDomainXMLOptionPtr xmlopt,
         goto error;
 
     if (((dom->os.arch == VIR_ARCH_PPC64) &&
-        dom->os.machine && STREQ(dom->os.machine, "pseries")))
+        dom->os.machine && STRPREFIX(dom->os.machine, "pseries")))
         def->bus = VIR_DOMAIN_DISK_BUS_SCSI;
     else
        def->bus = VIR_DOMAIN_DISK_BUS_IDE;
@@ -10095,7 +10095,7 @@ qemuParseCommandLineDisk(virDomainXMLOptionPtr xmlopt,
             if (STREQ(values[i], "ide")) {
                 def->bus = VIR_DOMAIN_DISK_BUS_IDE;
                 if (((dom->os.arch == VIR_ARCH_PPC64) &&
-                     dom->os.machine && STREQ(dom->os.machine, "pseries"))) {
+                     dom->os.machine && STRPREFIX(dom->os.machine, "pseries"))) {
                     virReportError(VIR_ERR_INTERNAL_ERROR,
                                    _("pseries systems do not support ide devices '%s'"), val);
                     goto error;
@@ -11340,7 +11340,7 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
             if (STREQ(arg, "-cdrom")) {
                 disk->device = VIR_DOMAIN_DISK_DEVICE_CDROM;
                 if (((def->os.arch == VIR_ARCH_PPC64) &&
-                    def->os.machine && STREQ(def->os.machine, "pseries")))
+                    def->os.machine && STRPREFIX(def->os.machine, "pseries")))
                     disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
                 if (VIR_STRDUP(disk->dst, "hdc") < 0)
                     goto error;
@@ -11356,7 +11356,7 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
                     else
                         disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
                    if (((def->os.arch == VIR_ARCH_PPC64) &&
-                       def->os.machine && STREQ(def->os.machine, "pseries")))
+                       def->os.machine && STRPREFIX(def->os.machine, "pseries")))
                        disk->bus = VIR_DOMAIN_DISK_BUS_SCSI;
                 }
                 if (VIR_STRDUP(disk->dst, arg + 1) < 0)