This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / include / asm-x86_64 / mach-xen / setup_arch_post.h

diff --git a/include/asm-x86_64/mach-xen/setup_arch_post.h b/include/asm-x86_64/mach-xen/setup_arch_post.h
new file mode 100644 (file)
index 0000000..e21d4ee
--- /dev/null
+++ b/include/asm-x86_64/mach-xen/setup_arch_post.h
@@ -0,0 +1,58 @@
+/**
+ * machine_specific_* - Hooks for machine specific setup.
+ *
+ * Description:
+ *     This is included late in kernel/setup.c so that it can make
+ *     use of all of the static functions.
+ **/
+
+#include <xen/interface/callback.h>
+
+extern void hypervisor_callback(void);
+extern void failsafe_callback(void);
+extern void nmi(void);
+
+static void __init machine_specific_arch_setup(void)
+{
+       int ret;
+       struct callback_register event = {
+               .type = CALLBACKTYPE_event,
+               .address = (unsigned long) hypervisor_callback,
+       };
+       struct callback_register failsafe = {
+               .type = CALLBACKTYPE_failsafe,
+               .address = (unsigned long)failsafe_callback,
+       };
+       struct callback_register syscall = {
+               .type = CALLBACKTYPE_syscall,
+               .address = (unsigned long)system_call,
+       };
+#ifdef CONFIG_X86_LOCAL_APIC
+       struct callback_register nmi_cb = {
+               .type = CALLBACKTYPE_nmi,
+               .address = (unsigned long)nmi,
+       };
+#endif
+
+       ret = HYPERVISOR_callback_op(CALLBACKOP_register, &event);
+       if (ret == 0)
+               ret = HYPERVISOR_callback_op(CALLBACKOP_register, &failsafe);
+       if (ret == 0)
+               ret = HYPERVISOR_callback_op(CALLBACKOP_register, &syscall);
+       if (ret == -ENOSYS)
+               ret = HYPERVISOR_set_callbacks(
+                       event.address,
+                       failsafe.address,
+                       syscall.address);
+       BUG_ON(ret);
+
+#ifdef CONFIG_X86_LOCAL_APIC
+       ret = HYPERVISOR_callback_op(CALLBACKOP_register, &nmi_cb);
+       if (ret == -ENOSYS) {
+               struct xennmi_callback cb;
+
+               cb.handler_address = nmi_cb.address;
+               HYPERVISOR_nmi_op(XENNMI_register_callback, &cb);
+       }
+#endif
+}