12c622ed0SMatteo CroceWhat: /sys/kernel/reboot 22c622ed0SMatteo CroceDate: November 2020 32c622ed0SMatteo CroceKernelVersion: 5.11 4*fd0ad5e9SAhmad FatoumContact: Matteo Croce <teknoraver@meta.com> 52c622ed0SMatteo CroceDescription: Interface to set the kernel reboot behavior, similarly to 62c622ed0SMatteo Croce what can be done via the reboot= cmdline option. 72c622ed0SMatteo Croce (see Documentation/admin-guide/kernel-parameters.txt) 82c622ed0SMatteo Croce 92c622ed0SMatteo CroceWhat: /sys/kernel/reboot/mode 102c622ed0SMatteo CroceDate: November 2020 112c622ed0SMatteo CroceKernelVersion: 5.11 12*fd0ad5e9SAhmad FatoumContact: Matteo Croce <teknoraver@meta.com> 132c622ed0SMatteo CroceDescription: Reboot mode. Valid values are: cold warm hard soft gpio 142c622ed0SMatteo Croce 152c622ed0SMatteo CroceWhat: /sys/kernel/reboot/type 162c622ed0SMatteo CroceDate: November 2020 172c622ed0SMatteo CroceKernelVersion: 5.11 18*fd0ad5e9SAhmad FatoumContact: Matteo Croce <teknoraver@meta.com> 192c622ed0SMatteo CroceDescription: Reboot type. Valid values are: bios acpi kbd triple efi pci 202c622ed0SMatteo Croce 212c622ed0SMatteo CroceWhat: /sys/kernel/reboot/cpu 222c622ed0SMatteo CroceDate: November 2020 232c622ed0SMatteo CroceKernelVersion: 5.11 24*fd0ad5e9SAhmad FatoumContact: Matteo Croce <teknoraver@meta.com> 252c622ed0SMatteo CroceDescription: CPU number to use to reboot. 262c622ed0SMatteo Croce 272c622ed0SMatteo CroceWhat: /sys/kernel/reboot/force 282c622ed0SMatteo CroceDate: November 2020 292c622ed0SMatteo CroceKernelVersion: 5.11 30*fd0ad5e9SAhmad FatoumContact: Matteo Croce <teknoraver@meta.com> 312c622ed0SMatteo CroceDescription: Don't wait for any other CPUs on reboot and 322c622ed0SMatteo Croce avoid anything that could hang. 33e016173fSAhmad Fatoum 34e016173fSAhmad FatoumWhat: /sys/kernel/reboot/hw_protection 35e016173fSAhmad FatoumDate: April 2025 36e016173fSAhmad FatoumKernelVersion: 6.15 37e016173fSAhmad FatoumContact: Ahmad Fatoum <a.fatoum@pengutronix.de> 38e016173fSAhmad FatoumDescription: Hardware protection action taken on critical events like 39e016173fSAhmad Fatoum overtemperature or imminent voltage loss. 40e016173fSAhmad Fatoum Valid values are: reboot shutdown 41