lguest: Reboot support

[linux-2.6-omap-h63xx.git] / arch / x86 / lguest / boot.c

diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 92c56117eae5ed2af3cbdc37c6086d7a7dd25120..d6b18e2e54315d27cb851a1f405b098dcc8d1b75 100644 (file)
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -67,6 +67,7 @@
 #include <asm/mce.h>
 #include <asm/io.h>
 #include <asm/i387.h>
+#include <asm/reboot.h>                /* for struct machine_ops */
 
 /*G:010 Welcome to the Guest!
  *
@@ -812,7 +813,7 @@ static void lguest_safe_halt(void)
  * rather than virtual addresses, so we use __pa() here. */
 static void lguest_power_off(void)
 {
-       hcall(LHCALL_CRASH, __pa("Power down"), 0, 0);
+       hcall(LHCALL_SHUTDOWN, __pa("Power down"), LGUEST_SHUTDOWN_POWEROFF, 0);
 }
 
 /*
@@ -822,7 +823,7 @@ static void lguest_power_off(void)
  */
 static int lguest_panic(struct notifier_block *nb, unsigned long l, void *p)
 {
-       hcall(LHCALL_CRASH, __pa(p), 0, 0);
+       hcall(LHCALL_SHUTDOWN, __pa(p), LGUEST_SHUTDOWN_POWEROFF, 0);
        /* The hcall won't return, but to keep gcc happy, we're "done". */
        return NOTIFY_DONE;
 }
@@ -926,6 +927,11 @@ static unsigned lguest_patch(u8 type, u16 clobber, void *ibuf,
        return insn_len;
 }
 
+static void lguest_restart(char *reason)
+{
+       hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0);
+}
+
 /*G:030 Once we get to lguest_init(), we know we're a Guest.  The pv_ops
  * structures in the kernel provide points for (almost) every routine we have
  * to override to avoid privileged instructions. */
@@ -1059,6 +1065,7 @@ __init void lguest_init(void)
         * the Guest routine to power off. */
        pm_power_off = lguest_power_off;
 
+       machine_ops.restart = lguest_restart;
        /* Now we're set up, call start_kernel() in init/main.c and we proceed
         * to boot as normal.  It never returns. */
        start_kernel();