On Wed, 24 Apr 2013, Stefano Stabellini wrote:
> Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
> CC: Marc Zyngier <marc.zyng...@arm.com>
> CC: will.dea...@arm.com
> CC: a...@arndb.de
> CC: rob.herr...@calxeda.com
Thinking twice about this patch, a less intrusive alternative would be
to set arm_pm_restart and pm_power_off to two xen specific functions
later on from xen_guest_init.
> arch/arm/mach-virt/virt.c | 32 ++++++++++++++++++++++++++++++++
> 1 files changed, 32 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-virt/virt.c b/arch/arm/mach-virt/virt.c
> index 528c05e..ba14321 100644
> --- a/arch/arm/mach-virt/virt.c
> +++ b/arch/arm/mach-virt/virt.c
> @@ -23,13 +23,44 @@
> #include <linux/of_platform.h>
> #include <linux/smp.h>
>
> +#include <xen/xen.h>
> +#include <xen/interface/sched.h>
> +
> #include <asm/arch_timer.h>
> #include <asm/mach/arch.h>
> #include <asm/mach/time.h>
> +#include <asm/xen/hypercall.h>
> +
> +static void virt_restart(char str, const char *cmd)
> +{
> +#ifdef CONFIG_XEN
> + if (xen_domain()) {
> + struct sched_shutdown r = { .reason = SHUTDOWN_reboot };
> + int rc;
> + rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
> + if (rc)
> + BUG();
> + }
> +#endif
> +}
> +
> +static void virt_power_off(void)
> +{
> +#ifdef CONFIG_XEN
> + if (xen_domain()) {
> + struct sched_shutdown r = { .reason = SHUTDOWN_poweroff };
> + int rc;
> + rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
> + if (rc)
> + BUG();
> + }
> +#endif
> +}
>
> static void __init virt_init(void)
> {
> of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
> + pm_power_off = virt_power_off;
> }
>
> static void __init virt_timer_init(void)
> @@ -52,4 +83,5 @@ DT_MACHINE_START(VIRT, "Dummy Virtual Machine")
> .init_machine = virt_init,
> .smp = smp_ops(virt_smp_ops),
> .dt_compat = virt_dt_match,
> + .restart = virt_restart,
> MACHINE_END
> --
> 1.7.2.5
>
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