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authorJeremy Fitzhardinge <jeremy@xensource.com>2007-07-17 18:37:07 -0700
committerJeremy Fitzhardinge <jeremy@goop.org>2007-07-18 08:47:45 -0700
commitfefa629abebe328cf6d07f99fe5796dbfc3e4981 (patch)
tree81308b3c852a0fa8344fd017ebf2a7f9f19ed042 /arch/i386/xen/enlighten.c
parent0d160211965b79de989cf2d170985abeb8da5ec6 (diff)
xen: machine operations
Make the appropriate hypercalls to halt and reboot the virtual machine. Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com> Acked-by: Chris Wright <chrisw@sous-sol.org>
Diffstat (limited to 'arch/i386/xen/enlighten.c')
-rw-r--r--arch/i386/xen/enlighten.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/i386/xen/enlighten.c b/arch/i386/xen/enlighten.c
index 42756771b8eb..142e74891344 100644
--- a/arch/i386/xen/enlighten.c
+++ b/arch/i386/xen/enlighten.c
@@ -30,6 +30,7 @@
#include <xen/interface/xen.h>
#include <xen/interface/physdev.h>
#include <xen/interface/vcpu.h>
+#include <xen/interface/sched.h>
#include <xen/features.h>
#include <xen/page.h>
@@ -43,6 +44,7 @@
#include <asm/desc.h>
#include <asm/pgtable.h>
#include <asm/tlbflush.h>
+#include <asm/reboot.h>
#include "xen-ops.h"
#include "mmu.h"
@@ -900,6 +902,45 @@ static const struct smp_ops xen_smp_ops __initdata = {
};
#endif /* CONFIG_SMP */
+static void xen_reboot(int reason)
+{
+#ifdef CONFIG_SMP
+ smp_send_stop();
+#endif
+
+ if (HYPERVISOR_sched_op(SCHEDOP_shutdown, reason))
+ BUG();
+}
+
+static void xen_restart(char *msg)
+{
+ xen_reboot(SHUTDOWN_reboot);
+}
+
+static void xen_emergency_restart(void)
+{
+ xen_reboot(SHUTDOWN_reboot);
+}
+
+static void xen_machine_halt(void)
+{
+ xen_reboot(SHUTDOWN_poweroff);
+}
+
+static void xen_crash_shutdown(struct pt_regs *regs)
+{
+ xen_reboot(SHUTDOWN_crash);
+}
+
+static const struct machine_ops __initdata xen_machine_ops = {
+ .restart = xen_restart,
+ .halt = xen_machine_halt,
+ .power_off = xen_machine_halt,
+ .shutdown = xen_machine_halt,
+ .crash_shutdown = xen_crash_shutdown,
+ .emergency_restart = xen_emergency_restart,
+};
+
/* First C function to be called on Xen boot */
asmlinkage void __init xen_start_kernel(void)
{
@@ -912,6 +953,8 @@ asmlinkage void __init xen_start_kernel(void)
/* Install Xen paravirt ops */
paravirt_ops = xen_paravirt_ops;
+ machine_ops = xen_machine_ops;
+
#ifdef CONFIG_SMP
smp_ops = xen_smp_ops;
#endif

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