On Fri, Jan 25, 2019 at 02:08:45PM +0000, Alexandru Elisei wrote:
>
> On 1/24/19 1:01 PM, Andrew Jones wrote:
> > On Thu, Jan 24, 2019 at 11:16:31AM +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.
> > >
> > > Consumers for the function will be added in a later patch.
> > >
> > > Signed-off-by: Alexandru Elisei<alexandru.elisei@xxxxxxx>
> > > ---
> > > lib/arm/asm/psci.h | 1 +
> > > lib/arm/psci.c | 6 ++++++
> > > 2 files changed, 7 insertions(+)
> > >
> > > diff --git a/lib/arm/asm/psci.h b/lib/arm/asm/psci.h
> > > index ed51708fd265..93409996349a 100644
> > > --- a/lib/arm/asm/psci.h
> > > +++ b/lib/arm/asm/psci.h
> > > @@ -9,5 +9,6 @@ extern int psci_cpu_on(unsigned long cpuid, unsigned long entry_point);
> > > extern void psci_sys_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..d8dc428e8e8b 100644
> > > --- a/lib/arm/psci.c
> > > +++ b/lib/arm/psci.c
> > > @@ -48,6 +48,12 @@ void cpu_psci_cpu_die(void)
> > > printf("CPU%d unable to power off (error = %d)\n", smp_processor_id(), err);
> > > }
> > > +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);
> > > +}
> > > +
> > > void psci_sys_reset(void)
> > > {
> > > psci_invoke(PSCI_0_2_FN_SYSTEM_RESET, 0, 0, 0);
> > > --
> > > 2.17.0
> > >
> > We should either rename psci_sys_reset to psci_system_reset or name this
> > new function with the psci_sys_* pattern.
> >
> > Thanks,
> > drew
> I am thinking we should rename psci_sys_reset() to match the PSCI
> specification function name, which is SYSTEM_OFF. If you're ok with it, I'll
> do the rename in the next patch set version.
Yup, I'm fine with the renaming.
Thanks,
drew
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