On Fri, Feb 01, 2019 at 11:16:40AM +0000, Alexandru Elisei wrote:
> A new function, psci_system_off(), is added which implements the PSCI
> SYSTEM_OFF function. A call causes the hypervisor to terminate the virtual
> machine.
>
> We take this opportunity to rename psci_sys_reset() to psci_system_reset()
> to match the name of the PSCI function SYSTEM_RESET that it implements.
>
> Consumers for the function will be added in a later patch.
>
> Signed-off-by: Alexandru Elisei <alexandru.elisei@xxxxxxx>
> ---
> lib/arm/asm/psci.h | 3 ++-
> lib/arm/psci.c | 8 +++++++-
> 2 files changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/lib/arm/asm/psci.h b/lib/arm/asm/psci.h
> index ed51708fd265..7b956bf5987d 100644
> --- a/lib/arm/asm/psci.h
> +++ b/lib/arm/asm/psci.h
> @@ -6,8 +6,9 @@
> extern int psci_invoke(unsigned long function_id, unsigned long arg0,
> unsigned long arg1, unsigned long arg2);
> extern int psci_cpu_on(unsigned long cpuid, unsigned long entry_point);
> -extern void psci_sys_reset(void);
> +extern void psci_system_reset(void);
> extern int cpu_psci_cpu_boot(unsigned int cpu);
> extern void cpu_psci_cpu_die(void);
> +extern void psci_system_off(void);
>
> #endif /* _ASMARM_PSCI_H_ */
> diff --git a/lib/arm/psci.c b/lib/arm/psci.c
> index 119f74e57e91..c3d399064ae3 100644
> --- a/lib/arm/psci.c
> +++ b/lib/arm/psci.c
> @@ -48,7 +48,13 @@ void cpu_psci_cpu_die(void)
> printf("CPU%d unable to power off (error = %d)\n", smp_processor_id(), err);
> }
>
> -void psci_sys_reset(void)
> +void psci_system_reset(void)
> {
> psci_invoke(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0);
> }
> +
> +void psci_system_off(void)
> +{
> + int err = psci_invoke(PSCI_0_2_FN_SYSTEM_OFF, 0, 0, 0);
> + printf("CPU%d unable to do system off (error = %d)\n", smp_processor_id(), err);
> +}
> --
> 2.17.0
>
Reviewed-by: Andrew Jones <drjones@xxxxxxxxxx>
