crash_stop() common header.
Signed-off-by: Keith Owens <[EMAIL PROTECTED]>
---
include/linux/crash_stop.h | 71 +++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 71 insertions(+)
Index: linux/include/linux/crash_stop.h
===================================================================
--- /dev/null
+++ linux/include/linux/crash_stop.h
@@ -0,0 +1,71 @@
+#ifndef _LINUX_CRASH_STOP_H
+
+#include <linux/cpumask.h>
+#include <linux/errno.h>
+#include <linux/ptrace.h>
+
+typedef asmlinkage int (*printk_t)(const char * fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
+#define _LINUX_CRASH_STOP_H
+
+#ifdef CONFIG_CRASH_STOP_SUPPORTED
+
+#include <asm/crash_stop.h>
+
+/* These six entries are the only ones used by code outside crash_stop itself.
+ * Anything starting with 'crash_stop' is part of the external ABI, anything
+ * starting with'cs_' is only to be used by internal crash_stop code.
+ */
+extern int crash_stop(void (*callback)(int monarch, void *data),
+ void *data, printk_t print,
+ struct pt_regs *regs, const char *text);
+extern void crash_stop_recovered(void);
+#ifdef CONFIG_SMP
+extern void crash_stop_slave(void);
+extern int crash_stop_sent_nmi(void);
+#else /* !CONFIG_SMP */
+#define crash_stop_slave() do {} while(0)
+#define crash_stop_sent_nmi() 0
+#endif /* CONFIG_SMP */
+extern int crash_stop_slaves(void);
+struct crash_stop_running_process {
+ struct task_struct *p;
+ struct pt_regs *regs;
+ struct crash_stop_running_process *prev;
+ struct crash_stop_running_process_arch arch;
+};
+
+extern void cs_common_ipi(void);
+extern void cs_arch_send_ipi(int);
+extern void cs_arch_send_nmi(int);
+
+extern void cs_arch_cpu(int, struct crash_stop_running_process *);
+extern void cs_common_cpu(int);
+
+extern void cs_notify_chain_start(struct pt_regs *);
+extern void cs_notify_chain_end(void);
+
+struct cs_global {
+ void (*callback)(int monarch, void *data);
+ void *data;
+ printk_t print;
+};
+extern struct cs_global cs_global;
+
+#else /* !CONFIG_CRASH_STOP_SUPPORTED */
+
+static inline
+int crash_stop(void (*callback)(int monarch, void *data),
+ void *data, printk_t print,
+ struct pt_regs *regs, const char *text)
+{
+ return -ENOSYS;
+}
+#define crash_stop_recovered() do {} while(0)
+#define crash_stop_slave() do {} while(0)
+#define crash_stop_sent_nmi() 0
+#define crash_stop_slaves() 0
+
+#endif /* CONFIG_CRASH_STOP_SUPPORTED */
+
+#endif /* _LINUX_CRASH_STOP_H */
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