| #!/usr/bin/env python3 | 
 | # | 
 | # Test that Linux kernel boots on ppc powernv machines and check the console | 
 | # | 
 | # Copyright (c) 2018, 2020 Red Hat, Inc. | 
 | # | 
 | # This work is licensed under the terms of the GNU GPL, version 2 or | 
 | # later.  See the COPYING file in the top-level directory. | 
 |  | 
 | from qemu_test import LinuxKernelTest, Asset | 
 | from qemu_test import wait_for_console_pattern | 
 |  | 
 | class powernvMachine(LinuxKernelTest): | 
 |  | 
 |     timeout = 90 | 
 |     KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 console=hvc0 ' | 
 |     panic_message = 'Kernel panic - not syncing' | 
 |     good_message = 'VFS: Cannot open root device' | 
 |  | 
 |     ASSET_KERNEL = Asset( | 
 |         ('https://archives.fedoraproject.org/pub/archive/fedora-secondary/' | 
 |          'releases/29/Everything/ppc64le/os/ppc/ppc64/vmlinuz'), | 
 |         '383c2f5c23bc0d9d32680c3924d3fd7ee25cc5ef97091ac1aa5e1d853422fc5f') | 
 |  | 
 |     def do_test_linux_boot(self, command_line = KERNEL_COMMON_COMMAND_LINE): | 
 |         self.require_accelerator("tcg") | 
 |         kernel_path = self.ASSET_KERNEL.fetch() | 
 |  | 
 |         self.vm.set_console() | 
 |         self.vm.add_args('-kernel', kernel_path, | 
 |                          '-append', command_line) | 
 |         self.vm.launch() | 
 |  | 
 |     def test_linux_boot(self): | 
 |         self.set_machine('powernv') | 
 |         self.do_test_linux_boot() | 
 |         console_pattern = 'VFS: Cannot open root device' | 
 |         wait_for_console_pattern(self, console_pattern, self.panic_message) | 
 |  | 
 |     def test_linux_smp_boot(self): | 
 |         self.set_machine('powernv') | 
 |         self.vm.add_args('-smp', '4') | 
 |         self.do_test_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_linux_smp_hpt_boot(self): | 
 |         self.set_machine('powernv') | 
 |         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): | 
 |         self.set_machine('powernv') | 
 |         self.vm.add_args('-smp', '4,threads=4') | 
 |         self.do_test_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_linux_big_boot(self): | 
 |         self.set_machine('powernv') | 
 |         self.vm.add_args('-smp', '16,threads=4,cores=2,sockets=2') | 
 |  | 
 |         # powernv does not support NUMA | 
 |         self.do_test_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) | 
 |  | 
 |  | 
 |     ASSET_EPAPR_KERNEL = Asset( | 
 |         ('https://github.com/open-power/op-build/releases/download/v2.7/' | 
 |          'zImage.epapr'), | 
 |         '0ab237df661727e5392cee97460e8674057a883c5f74381a128fa772588d45cd') | 
 |  | 
 |     def do_test_ppc64_powernv(self, proc): | 
 |         self.require_accelerator("tcg") | 
 |         kernel_path = self.ASSET_EPAPR_KERNEL.fetch() | 
 |         self.vm.set_console() | 
 |         self.vm.add_args('-kernel', kernel_path, | 
 |                          '-append', 'console=tty0 console=hvc0', | 
 |                          '-device', 'pcie-pci-bridge,id=bridge1,bus=pcie.1,addr=0x0', | 
 |                          '-device', 'nvme,bus=pcie.2,addr=0x0,serial=1234', | 
 |                          '-device', 'e1000e,bus=bridge1,addr=0x3', | 
 |                          '-device', 'nec-usb-xhci,bus=bridge1,addr=0x2') | 
 |         self.vm.launch() | 
 |  | 
 |         self.wait_for_console_pattern("CPU: " + proc + " generation processor") | 
 |         self.wait_for_console_pattern("zImage starting: loaded") | 
 |         self.wait_for_console_pattern("Run /init as init process") | 
 |         # Device detection output driven by udev probing is sometimes cut off | 
 |         # from console output, suspect S14silence-console init script. | 
 |  | 
 |     def test_powernv8(self): | 
 |         self.set_machine('powernv8') | 
 |         self.do_test_ppc64_powernv('P8') | 
 |  | 
 |     def test_powernv9(self): | 
 |         self.set_machine('powernv9') | 
 |         self.do_test_ppc64_powernv('P9') | 
 |  | 
 |     def test_powernv10(self): | 
 |         self.set_machine('powernv10') | 
 |         self.do_test_ppc64_powernv('P10') | 
 |  | 
 | if __name__ == '__main__': | 
 |     LinuxKernelTest.main() |