[PATCH v2 5/8] tests/avocado: Add ppc pseries and powernv hash MMU tests

[Nicholas Piggin]

POWER CPUs support hash and radix MMU modes. Linux supports running in
either mode, but defaults to radix. To keep up testing of QEMU's hash
MMU implementation, add some Linux hash boot tests.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 tests/avocado/ppc_powernv.py | 23 +++++++++++++++++++----
 tests/avocado/ppc_pseries.py | 20 +++++++++++++++++---
 2 files changed, 36 insertions(+), 7 deletions(-)

diff --git a/tests/avocado/ppc_powernv.py b/tests/avocado/ppc_powernv.py
index d0e5c07bde..4342941d5d 100644
--- a/tests/avocado/ppc_powernv.py
+++ b/tests/avocado/ppc_powernv.py
@@ -12,11 +12,11 @@
 class powernvMachine(QemuSystemTest):
 
     timeout = 90
-    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
+    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 console=hvc0 '
     panic_message = 'Kernel panic - not syncing'
     good_message = 'VFS: Cannot open root device'
 
-    def do_test_linux_boot(self):
+    def do_test_linux_boot(self, command_line = KERNEL_COMMON_COMMAND_LINE):
         self.require_accelerator("tcg")
         kernel_url = ('https://archives.fedoraproject.org/pub/archive'
                       '/fedora-secondary/releases/29/Everything/ppc64le/os'
@@ -25,9 +25,8 @@ def do_test_linux_boot(self):
         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 
         self.vm.set_console()
-        kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=hvc0'
         self.vm.add_args('-kernel', kernel_path,
-                         '-append', kernel_command_line)
+                         '-append', command_line)
         self.vm.launch()
 
     def test_linux_boot(self):
@@ -54,6 +53,22 @@ def test_linux_smp_boot(self):
         wait_for_console_pattern(self, console_pattern, self.panic_message)
         wait_for_console_pattern(self, self.good_message, self.panic_message)
 
+    def test_linux_smp_hpt_boot(self):
+        """
+        :avocado: tags=arch:ppc64
+        :avocado: tags=machine:powernv
+        :avocado: tags=accel:tcg
+        """
+
+        self.vm.add_args('-smp', '4')
+        self.do_test_linux_boot(self.KERNEL_COMMON_COMMAND_LINE +
+                                'disable_radix')
+        console_pattern = 'smp: Brought up 1 node, 4 CPUs'
+        wait_for_console_pattern(self, 'hash-mmu: Initializing hash mmu',
+                                 self.panic_message)
+        wait_for_console_pattern(self, console_pattern, self.panic_message)
+        wait_for_console_pattern(self, self.good_message, self.panic_message)
+
     def test_linux_smt_boot(self):
         """
         :avocado: tags=arch:ppc64
diff --git a/tests/avocado/ppc_pseries.py b/tests/avocado/ppc_pseries.py
index a8311e6555..74aaa4ac4a 100644
--- a/tests/avocado/ppc_pseries.py
+++ b/tests/avocado/ppc_pseries.py
@@ -12,11 +12,11 @@
 class pseriesMachine(QemuSystemTest):
 
     timeout = 90
-    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 '
+    KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 console=hvc0 '
     panic_message = 'Kernel panic - not syncing'
     good_message = 'VFS: Cannot open root device'
 
-    def do_test_ppc64_linux_boot(self):
+    def do_test_ppc64_linux_boot(self, kernel_command_line = 
KERNEL_COMMON_COMMAND_LINE):
         kernel_url = ('https://archives.fedoraproject.org/pub/archive'
                       '/fedora-secondary/releases/29/Everything/ppc64le/os'
                       '/ppc/ppc64/vmlinuz')
@@ -24,7 +24,6 @@ def do_test_ppc64_linux_boot(self):
         kernel_path = self.fetch_asset(kernel_url, asset_hash=kernel_hash)
 
         self.vm.set_console()
-        kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE + 'console=hvc0'
         self.vm.add_args('-kernel', kernel_path,
                          '-append', kernel_command_line)
         self.vm.launch()
@@ -62,6 +61,21 @@ def test_ppc64_linux_smp_boot(self):
         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_hpt_smp_boot(self):
+        """
+        :avocado: tags=arch:ppc64
+        :avocado: tags=machine:pseries
+        """
+
+        self.vm.add_args('-smp', '4')
+        self.do_test_ppc64_linux_boot(self.KERNEL_COMMON_COMMAND_LINE +
+                                      'disable_radix')
+        console_pattern = 'smp: Brought up 1 node, 4 CPUs'
+        wait_for_console_pattern(self, 'hash-mmu: Initializing hash mmu',
+                                 self.panic_message)
+        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
-- 
2.42.0