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-rw-r--r--include/asm-ppc/machdep.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/include/asm-ppc/machdep.h b/include/asm-ppc/machdep.h
index b78d40870c95..1d4ab70a56f3 100644
--- a/include/asm-ppc/machdep.h
+++ b/include/asm-ppc/machdep.h
@@ -4,6 +4,7 @@
#include <linux/config.h>
#include <linux/init.h>
+#include <linux/kexec.h>
#include <asm/setup.h>
#include <asm/page.h>
@@ -114,6 +115,36 @@ struct machdep_calls {
/* functions for dealing with other cpus */
struct smp_ops_t *smp_ops;
#endif /* CONFIG_SMP */
+
+#ifdef CONFIG_KEXEC
+ /* Called to shutdown machine specific hardware not already controlled
+ * by other drivers.
+ * XXX Should we move this one out of kexec scope?
+ */
+ void (*machine_shutdown)(void);
+
+ /* Called to do the minimal shutdown needed to run a kexec'd kernel
+ * to run successfully.
+ * XXX Should we move this one out of kexec scope?
+ */
+ void (*machine_crash_shutdown)(void);
+
+ /* Called to do what every setup is needed on image and the
+ * reboot code buffer. Returns 0 on success.
+ * Provide your own (maybe dummy) implementation if your platform
+ * claims to support kexec.
+ */
+ int (*machine_kexec_prepare)(struct kimage *image);
+
+ /* Called to handle any machine specific cleanup on image */
+ void (*machine_kexec_cleanup)(struct kimage *image);
+
+ /* Called to perform the _real_ kexec.
+ * Do NOT allocate memory or fail here. We are past the point of
+ * no return.
+ */
+ void (*machine_kexec)(struct kimage *image);
+#endif /* CONFIG_KEXEC */
};
extern struct machdep_calls ppc_md;