On Thu, Dec 12, 2013 at 09:42:25PM +0530, Anup Patel wrote: > The Power State and Coordination Interface (PSCI) specification defines > SYSTEM_OFF and SYSTEM_RESET functions for system poweroff and reboot. > > This patchset adds emulation of PSCI SYSTEM_OFF and SYSTEM_RESET functions > in KVM ARM/ARM64 by forwarding them to user space (QEMU or KVMTOOL) using > KVM_EXIT_SYSTEM_EVENT exit reason. > > To try this patch from guest kernel, we will need PSCI-based restart and > poweroff support in the guest kenel for both ARM and ARM64. > > Rob Herring has already submitted patches for PSCI-based restart and > poweroff in ARM kernel but these are not merged yet due unstable device > tree bindings of kernel PSCI support. We will be having similar patches > for PSCI-based restart and poweroff in ARM64 kernel. > (Refer http://www.spinics.net/lists/arm-kernel/msg262217.html) > (Refer http://www.spinics.net/lists/devicetree/msg05348.html) There's something really funky about the threading and reply-to settings of all of these patches, please check your e-mail sending tool config. > > Change Log: > > V2: > - Replace KVM_EXIT_RESET with KVM_EXIT_SYSTEM_EVENT > - Make kvm_psci_call() return convention to match > KVM ARM return convention > > V1: > - Initial revised patch after RFC PATCH. > > Anup Patel (2): > KVM: Add KVM_EXIT_SYSTEM_EVENT to user space API header > ARM/ARM64: KVM: Forward PSCI SYSTEM_OFF and SYSTEM_RESET to user > space > > Documentation/virtual/kvm/api.txt | 15 ++++++++++++ > arch/arm/include/asm/kvm_psci.h | 2 +- > arch/arm/include/uapi/asm/kvm.h | 2 ++ > arch/arm/kvm/handle_exit.c | 13 +++++++--- > arch/arm/kvm/psci.c | 48 ++++++++++++++++++++++++++++++------- > arch/arm64/include/asm/kvm_psci.h | 2 +- > arch/arm64/include/uapi/asm/kvm.h | 2 ++ > arch/arm64/kvm/handle_exit.c | 12 +++++++--- > include/uapi/linux/kvm.h | 8 +++++++ > 9 files changed, 88 insertions(+), 16 deletions(-) > > -- > 1.7.9.5 > -- Christoffer _______________________________________________ kvmarm mailing list kvmarm@xxxxxxxxxxxxxxxxxxxxx https://lists.cs.columbia.edu/cucslists/listinfo/kvmarm