[POWERPC] Implement SLB shadow buffer

[powerpc.git] / include / asm-powerpc / kexec.h

diff --git a/include/asm-powerpc/kexec.h b/include/asm-powerpc/kexec.h
index bda2f21..8f7fd5c 100644 (file)
--- a/include/asm-powerpc/kexec.h
+++ b/include/asm-powerpc/kexec.h
@@ -31,9 +31,10 @@
 #define KEXEC_ARCH KEXEC_ARCH_PPC
 #endif
 
+#ifndef __ASSEMBLY__
+
 #ifdef CONFIG_KEXEC
 
-#ifndef __ASSEMBLY__
 #ifdef __powerpc64__
 /*
  * This function is responsible for capturing register states if coming
@@ -93,7 +94,8 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
                        "mfxer  %0\n"
                        "std    %0, 296(%2)\n"
                        : "=&r" (tmp1), "=&r" (tmp2)
-                       : "b" (newregs));
+                       : "b" (newregs)
+                       : "memory");
        }
 }
 #else
@@ -110,9 +112,13 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
 #ifdef __powerpc64__
 extern void kexec_smp_wait(void);      /* get and clear naca physid, wait for
                                          master to copy new code to 0 */
-extern void __init kexec_setup(void);
 extern int crashing_cpu;
 extern void crash_send_ipi(void (*crash_ipi_callback)(struct pt_regs *));
+extern cpumask_t cpus_in_sr;
+static inline int kexec_sr_activated(int cpu)
+{
+       return cpu_isset(cpu,cpus_in_sr);
+}
 #endif /* __powerpc64 __ */
 
 struct kimage;
@@ -122,8 +128,22 @@ extern int default_machine_kexec_prepare(struct kimage *image);
 extern void default_machine_crash_shutdown(struct pt_regs *regs);
 
 extern void machine_kexec_simple(struct kimage *image);
+extern void crash_kexec_secondary(struct pt_regs *regs);
+extern int overlaps_crashkernel(unsigned long start, unsigned long size);
+extern void reserve_crashkernel(void);
+
+#else /* !CONFIG_KEXEC */
+static inline int kexec_sr_activated(int cpu) { return 0; }
+static inline void crash_kexec_secondary(struct pt_regs *regs) { }
+
+static inline int overlaps_crashkernel(unsigned long start, unsigned long size)
+{
+       return 0;
+}
+
+static inline void reserve_crashkernel(void) { ; }
 
-#endif /* ! __ASSEMBLY__ */
 #endif /* CONFIG_KEXEC */
+#endif /* ! __ASSEMBLY__ */
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_KEXEC_H */