ARM/ARM64: KVM: Emulate PSCI v0.2 SYSTEM_OFF and SYSTEM_RESET
authorAnup Patel <anup.patel@linaro.org>
Tue, 29 Apr 2014 05:54:20 +0000 (11:24 +0530)
committerChristoffer Dall <christoffer.dall@linaro.org>
Wed, 30 Apr 2014 11:18:58 +0000 (04:18 -0700)
commit4b1238269ed340d59ef829fd9c30a39cfb2923a8
tree8e2fcecc8c6e7678a6c70337f892284e487ce8f0
parent8ad6b634928a25971dc42dce101808b1491f87ec
ARM/ARM64: KVM: Emulate PSCI v0.2 SYSTEM_OFF and SYSTEM_RESET

The PSCI v0.2 SYSTEM_OFF and SYSTEM_RESET functions are system-level
functions hence cannot be fully emulated by in-kernel PSCI emulation code.

To tackle this, we forward PSCI v0.2 SYSTEM_OFF and SYSTEM_RESET function
calls from vcpu to user space (i.e. QEMU or KVMTOOL) via kvm_run structure
using KVM_EXIT_SYSTEM_EVENT exit reasons.

Signed-off-by: Anup Patel <anup.patel@linaro.org>
Signed-off-by: Pranavkumar Sawargaonkar <pranavkumar@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
arch/arm/kvm/psci.c