| #!/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://github.com/legoater/qemu-ppc-boot/raw/refs/heads/main/' |
| 'buildroot/qemu_ppc64le_powernv8-2025.02/vmlinux'), |
| '6fd29aff9ad4362511ea5d0acbb510667c7031928e97d64ec15bbc5daf4b8151') |
| |
| ASSET_INITRD = Asset( |
| ('https://github.com/legoater/qemu-ppc-boot/raw/refs/heads/main/' |
| 'buildroot/qemu_ppc64le_powernv8-2025.02/rootfs.ext2'), |
| 'aee2192b692077c4bde31cb56ce474424b358f17cec323d5c94af3970c9aada2') |
| |
| 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) |
| |
| def do_test_ppc64_powernv(self, proc): |
| self.require_accelerator("tcg") |
| kernel_path = self.ASSET_KERNEL.fetch() |
| initrd_path = self.ASSET_INITRD.fetch() |
| self.vm.set_console() |
| self.vm.add_args('-kernel', kernel_path, |
| '-drive', |
| f'file={initrd_path},format=raw,if=none,id=drive0,readonly=on', |
| '-append', 'root=/dev/nvme0n1 console=tty0 console=hvc0', |
| '-device', 'pcie-pci-bridge,id=bridge1,bus=pcie.1,addr=0x0', |
| '-device', 'nvme,drive=drive0,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("INIT: Starting kernel at ") |
| self.wait_for_console_pattern("Run /sbin/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') |
| |
| def test_powernv11(self): |
| self.set_machine('powernv11') |
| self.do_test_ppc64_powernv('Power11') |
| |
| if __name__ == '__main__': |
| LinuxKernelTest.main() |
