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| author | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-04-25 14:23:07 +0400 |
|---|---|---|
| committer | Stefano Stabellini <stefano.stabellini@eu.citrix.com> | 2013-04-25 20:46:10 +0400 |
| commit | 6abb749e83cf100bc4c71537e4c4e97ccdadcafe (patch) | |
| tree | 7d1c64d574b9f43f0f0ecca53146009b8de7c46a /arch/arm/xen | |
| parent | d37a6e1687303ea0fcea89980373e3017b449963 (diff) | |
| download | linux-6abb749e83cf100bc4c71537e4c4e97ccdadcafe.tar.xz | |
xen/arm: use sched_op hypercalls for machine reboot and power off
Changes in v5:
- set pm_power_off and arm_pm_restart from the Xen specific
intialization code.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Diffstat (limited to 'arch/arm/xen')
| -rw-r--r-- | arch/arm/xen/enlighten.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 6c87d116df63..9a0a917cdeb6 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -10,9 +10,12 @@ #include <xen/platform_pci.h> #include <xen/xenbus.h> #include <xen/page.h> +#include <xen/xen.h> +#include <xen/interface/sched.h> #include <xen/xen-ops.h> #include <asm/xen/hypervisor.h> #include <asm/xen/hypercall.h> +#include <asm/system_misc.h> #include <linux/interrupt.h> #include <linux/irqreturn.h> #include <linux/module.h> @@ -173,6 +176,24 @@ static int __init xen_secondary_init(unsigned int cpu) return 0; } +static void xen_restart(char str, const char *cmd) +{ + struct sched_shutdown r = { .reason = SHUTDOWN_reboot }; + int rc; + rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); + if (rc) + BUG(); +} + +static void xen_power_off(void) +{ + struct sched_shutdown r = { .reason = SHUTDOWN_poweroff }; + int rc; + rc = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r); + if (rc) + BUG(); +} + /* * see Documentation/devicetree/bindings/arm/xen.txt for the * documentation of the Xen Device Tree format. @@ -252,6 +273,9 @@ static int __init xen_guest_init(void) if (!xen_initial_domain()) xenbus_probe(NULL); + pm_power_off = xen_power_off; + arm_pm_restart = xen_restart; + return 0; } core_initcall(xen_guest_init); |