1#!/usr/bin/env python3 2# 3# Test that Linux kernel boots on ppc powernv machines and check the console 4# 5# Copyright (c) 2018, 2020 Red Hat, Inc. 6# 7# This work is licensed under the terms of the GNU GPL, version 2 or 8# later. See the COPYING file in the top-level directory. 9 10from qemu_test import LinuxKernelTest, Asset 11from qemu_test import wait_for_console_pattern 12 13class powernvMachine(LinuxKernelTest): 14 15 timeout = 90 16 KERNEL_COMMON_COMMAND_LINE = 'printk.time=0 console=hvc0 ' 17 panic_message = 'Kernel panic - not syncing' 18 good_message = 'VFS: Cannot open root device' 19 20 ASSET_KERNEL = Asset( 21 ('https://archives.fedoraproject.org/pub/archive/fedora-secondary/' 22 'releases/29/Everything/ppc64le/os/ppc/ppc64/vmlinuz'), 23 '383c2f5c23bc0d9d32680c3924d3fd7ee25cc5ef97091ac1aa5e1d853422fc5f') 24 25 def do_test_linux_boot(self, command_line = KERNEL_COMMON_COMMAND_LINE): 26 self.require_accelerator("tcg") 27 kernel_path = self.ASSET_KERNEL.fetch() 28 29 self.vm.set_console() 30 self.vm.add_args('-kernel', kernel_path, 31 '-append', command_line) 32 self.vm.launch() 33 34 def test_linux_boot(self): 35 self.set_machine('powernv') 36 self.do_test_linux_boot() 37 console_pattern = 'VFS: Cannot open root device' 38 wait_for_console_pattern(self, console_pattern, self.panic_message) 39 40 def test_linux_smp_boot(self): 41 self.set_machine('powernv') 42 self.vm.add_args('-smp', '4') 43 self.do_test_linux_boot() 44 console_pattern = 'smp: Brought up 1 node, 4 CPUs' 45 wait_for_console_pattern(self, console_pattern, self.panic_message) 46 wait_for_console_pattern(self, self.good_message, self.panic_message) 47 48 def test_linux_smp_hpt_boot(self): 49 self.set_machine('powernv') 50 self.vm.add_args('-smp', '4') 51 self.do_test_linux_boot(self.KERNEL_COMMON_COMMAND_LINE + 52 'disable_radix') 53 console_pattern = 'smp: Brought up 1 node, 4 CPUs' 54 wait_for_console_pattern(self, 'hash-mmu: Initializing hash mmu', 55 self.panic_message) 56 wait_for_console_pattern(self, console_pattern, self.panic_message) 57 wait_for_console_pattern(self, self.good_message, self.panic_message) 58 59 def test_linux_smt_boot(self): 60 self.set_machine('powernv') 61 self.vm.add_args('-smp', '4,threads=4') 62 self.do_test_linux_boot() 63 console_pattern = 'CPU maps initialized for 4 threads per core' 64 wait_for_console_pattern(self, console_pattern, self.panic_message) 65 console_pattern = 'smp: Brought up 1 node, 4 CPUs' 66 wait_for_console_pattern(self, console_pattern, self.panic_message) 67 wait_for_console_pattern(self, self.good_message, self.panic_message) 68 69 def test_linux_big_boot(self): 70 self.set_machine('powernv') 71 self.vm.add_args('-smp', '16,threads=4,cores=2,sockets=2') 72 73 # powernv does not support NUMA 74 self.do_test_linux_boot() 75 console_pattern = 'CPU maps initialized for 4 threads per core' 76 wait_for_console_pattern(self, console_pattern, self.panic_message) 77 console_pattern = 'smp: Brought up 2 nodes, 16 CPUs' 78 wait_for_console_pattern(self, console_pattern, self.panic_message) 79 wait_for_console_pattern(self, self.good_message, self.panic_message) 80 81 82 ASSET_EPAPR_KERNEL = Asset( 83 ('https://github.com/open-power/op-build/releases/download/v2.7/' 84 'zImage.epapr'), 85 '0ab237df661727e5392cee97460e8674057a883c5f74381a128fa772588d45cd') 86 87 def do_test_ppc64_powernv(self, proc): 88 self.require_accelerator("tcg") 89 kernel_path = self.ASSET_EPAPR_KERNEL.fetch() 90 self.vm.set_console() 91 self.vm.add_args('-kernel', kernel_path, 92 '-append', 'console=tty0 console=hvc0', 93 '-device', 'pcie-pci-bridge,id=bridge1,bus=pcie.1,addr=0x0', 94 '-device', 'nvme,bus=pcie.2,addr=0x0,serial=1234', 95 '-device', 'e1000e,bus=bridge1,addr=0x3', 96 '-device', 'nec-usb-xhci,bus=bridge1,addr=0x2') 97 self.vm.launch() 98 99 self.wait_for_console_pattern("CPU: " + proc + " generation processor") 100 self.wait_for_console_pattern("zImage starting: loaded") 101 self.wait_for_console_pattern("Run /init as init process") 102 # Device detection output driven by udev probing is sometimes cut off 103 # from console output, suspect S14silence-console init script. 104 105 def test_powernv8(self): 106 self.set_machine('powernv8') 107 self.do_test_ppc64_powernv('P8') 108 109 def test_powernv9(self): 110 self.set_machine('powernv9') 111 self.do_test_ppc64_powernv('P9') 112 113 def test_powernv10(self): 114 self.set_machine('powernv10') 115 self.do_test_ppc64_powernv('P10') 116 117if __name__ == '__main__': 118 LinuxKernelTest.main() 119