tests/avocado: Add ppc64 pseries multiprocessor boot tests

Add mult-thread/core/socket Linux boot tests that ensure the right
topology comes up. Of particular note is a SMT test, which is a new
capability for TCG.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>

tests/avocado/ppc_pseries.py

@@ -14,12 +14,9 @@ class pseriesMachine(QemuSystemTest):
     timeout = 90
     KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
     panic_message = 'Kernel panic - not syncing'
+    good_message = 'VFS: Cannot open root device'
 
-    def test_ppc64_pseries(self):
-        """
-        :avocado: tags=arch:ppc64
-        :avocado: tags=machine:pseries
-        """
+    def do_test_ppc64_linux_boot(self):
         kernel_url = ('https://archives.fedoraproject.org/pub/archive'
                       '/fedora-secondary/releases/29/Everything/ppc64le/os'
                       '/ppc/ppc64/vmlinuz')
@@ -31,5 +28,58 @@ def test_ppc64_pseries(self):
         self.vm.add_args('-kernel', kernel_path,
                          '-append', kernel_command_line)
         self.vm.launch()
+
+    def test_ppc64_linux_boot(self):
+        """
+        :avocado: tags=arch:ppc64
+        :avocado: tags=machine:pseries
+        """
+
+        self.do_test_ppc64_linux_boot()
         console_pattern = 'VFS: Cannot open root device'
         wait_for_console_pattern(self, console_pattern, self.panic_message)
+
+    def test_ppc64_linux_smp_boot(self):
+        """
+        :avocado: tags=arch:ppc64
+        :avocado: tags=machine:pseries
+        """
+
+        self.vm.add_args('-smp', '4')
+        self.do_test_ppc64_linux_boot()
+        console_pattern = 'smp: Brought up 1 node, 4 CPUs'
+        wait_for_console_pattern(self, console_pattern, self.panic_message)
+        wait_for_console_pattern(self, self.good_message, self.panic_message)
+
+    def test_ppc64_linux_smt_boot(self):
+        """
+        :avocado: tags=arch:ppc64
+        :avocado: tags=machine:pseries
+        """
+
+        self.vm.add_args('-smp', '4,threads=4')
+        self.do_test_ppc64_linux_boot()
+        console_pattern = 'CPU maps initialized for 4 threads per core'
+        wait_for_console_pattern(self, console_pattern, self.panic_message)
+        console_pattern = 'smp: Brought up 1 node, 4 CPUs'
+        wait_for_console_pattern(self, console_pattern, self.panic_message)
+        wait_for_console_pattern(self, self.good_message, self.panic_message)
+
+    def test_ppc64_linux_big_boot(self):
+        """
+        :avocado: tags=arch:ppc64
+        :avocado: tags=machine:pseries
+        """
+
+        self.vm.add_args('-smp', '16,threads=4,cores=2,sockets=2')
+        self.vm.add_args('-m', '512M',
+                         '-object', 'memory-backend-ram,size=256M,id=m0',
+                         '-object', 'memory-backend-ram,size=256M,id=m1')
+        self.vm.add_args('-numa', 'node,nodeid=0,memdev=m0')
+        self.vm.add_args('-numa', 'node,nodeid=1,memdev=m1')
+        self.do_test_ppc64_linux_boot()
+        console_pattern = 'CPU maps initialized for 4 threads per core'
+        wait_for_console_pattern(self, console_pattern, self.panic_message)
+        console_pattern = 'smp: Brought up 2 nodes, 16 CPUs'
+        wait_for_console_pattern(self, console_pattern, self.panic_message)
+        wait_for_console_pattern(self, self.good_message, self.panic_message)