Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / arch / arm64 / include / asm / suspend.h
diff --git a/kernel/arch/arm64/include/asm/suspend.h b/kernel/arch/arm64/include/asm/suspend.h
new file mode 100644 (file)
index 0000000..003802f
--- /dev/null
@@ -0,0 +1,26 @@
+#ifndef __ASM_SUSPEND_H
+#define __ASM_SUSPEND_H
+
+#define NR_CTX_REGS 11
+
+/*
+ * struct cpu_suspend_ctx must be 16-byte aligned since it is allocated on
+ * the stack, which must be 16-byte aligned on v8
+ */
+struct cpu_suspend_ctx {
+       /*
+        * This struct must be kept in sync with
+        * cpu_do_{suspend/resume} in mm/proc.S
+        */
+       u64 ctx_regs[NR_CTX_REGS];
+       u64 sp;
+} __aligned(16);
+
+struct sleep_save_sp {
+       phys_addr_t *save_ptr_stash;
+       phys_addr_t save_ptr_stash_phys;
+};
+
+extern int __cpu_suspend(unsigned long arg, int (*fn)(unsigned long));
+extern void cpu_resume(void);
+#endif