--- zzzz-none-000/linux-3.10.107/arch/s390/include/asm/irq.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/s390/include/asm/irq.h	2021-02-04 17:41:59.000000000 +0000
@@ -1,17 +1,39 @@
 #ifndef _ASM_IRQ_H
 #define _ASM_IRQ_H
 
+#define EXT_INTERRUPT	0
+#define IO_INTERRUPT	1
+#define THIN_INTERRUPT	2
+
+#define NR_IRQS_BASE	3
+
+#ifdef CONFIG_PCI_NR_MSI
+# define NR_IRQS	(NR_IRQS_BASE + CONFIG_PCI_NR_MSI)
+#else
+# define NR_IRQS	NR_IRQS_BASE
+#endif
+
+/* External interruption codes */
+#define EXT_IRQ_INTERRUPT_KEY	0x0040
+#define EXT_IRQ_CLK_COMP	0x1004
+#define EXT_IRQ_CPU_TIMER	0x1005
+#define EXT_IRQ_WARNING_TRACK	0x1007
+#define EXT_IRQ_MALFUNC_ALERT	0x1200
+#define EXT_IRQ_EMERGENCY_SIG	0x1201
+#define EXT_IRQ_EXTERNAL_CALL	0x1202
+#define EXT_IRQ_TIMING_ALERT	0x1406
+#define EXT_IRQ_MEASURE_ALERT	0x1407
+#define EXT_IRQ_SERVICE_SIG	0x2401
+#define EXT_IRQ_CP_SERVICE	0x2603
+#define EXT_IRQ_IUCV		0x4000
+
+#ifndef __ASSEMBLY__
+
 #include <linux/hardirq.h>
 #include <linux/percpu.h>
 #include <linux/cache.h>
 #include <linux/types.h>
 
-enum interruption_main_class {
-	EXTERNAL_INTERRUPT,
-	IO_INTERRUPT,
-	NR_IRQS
-};
-
 enum interruption_class {
 	IRQEXT_CLK,
 	IRQEXT_EXC,
@@ -25,7 +47,7 @@
 	IRQEXT_IUC,
 	IRQEXT_CMS,
 	IRQEXT_CMC,
-	IRQEXT_CMR,
+	IRQEXT_FTP,
 	IRQIO_CIO,
 	IRQIO_QAI,
 	IRQIO_DAS,
@@ -34,7 +56,6 @@
 	IRQIO_TAP,
 	IRQIO_VMR,
 	IRQIO_LCS,
-	IRQIO_CLW,
 	IRQIO_CTC,
 	IRQIO_APB,
 	IRQIO_ADM,
@@ -42,6 +63,7 @@
 	IRQIO_PCI,
 	IRQIO_MSI,
 	IRQIO_VIR,
+	IRQIO_VAI,
 	NMI_NMI,
 	CPU_RST,
 	NR_ARCH_IRQS
@@ -55,7 +77,7 @@
 
 static __always_inline void inc_irq_stat(enum interruption_class irq)
 {
-	__get_cpu_var(irq_stat).irqs[irq]++;
+	__this_cpu_inc(irq_stat.irqs[irq]);
 }
 
 struct ext_code {
@@ -65,21 +87,32 @@
 
 typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
 
-int register_external_interrupt(u16 code, ext_int_handler_t handler);
-int unregister_external_interrupt(u16 code, ext_int_handler_t handler);
-void service_subclass_irq_register(void);
-void service_subclass_irq_unregister(void);
-void measurement_alert_subclass_register(void);
-void measurement_alert_subclass_unregister(void);
-
-#ifdef CONFIG_LOCKDEP
-#  define disable_irq_nosync_lockdep(irq)	disable_irq_nosync(irq)
-#  define disable_irq_nosync_lockdep_irqsave(irq, flags) \
-						disable_irq_nosync(irq)
-#  define disable_irq_lockdep(irq)		disable_irq(irq)
-#  define enable_irq_lockdep(irq)		enable_irq(irq)
-#  define enable_irq_lockdep_irqrestore(irq, flags) \
-						enable_irq(irq)
-#endif
+int register_external_irq(u16 code, ext_int_handler_t handler);
+int unregister_external_irq(u16 code, ext_int_handler_t handler);
+
+enum irq_subclass {
+	IRQ_SUBCLASS_MEASUREMENT_ALERT = 5,
+	IRQ_SUBCLASS_SERVICE_SIGNAL = 9,
+};
+
+#define CR0_IRQ_SUBCLASS_MASK					  \
+	((1UL << (63 - 30))  /* Warning Track */		| \
+	 (1UL << (63 - 48))  /* Malfunction Alert */		| \
+	 (1UL << (63 - 49))  /* Emergency Signal */		| \
+	 (1UL << (63 - 50))  /* External Call */		| \
+	 (1UL << (63 - 52))  /* Clock Comparator */		| \
+	 (1UL << (63 - 53))  /* CPU Timer */			| \
+	 (1UL << (63 - 54))  /* Service Signal */		| \
+	 (1UL << (63 - 57))  /* Interrupt Key */		| \
+	 (1UL << (63 - 58))  /* Measurement Alert */		| \
+	 (1UL << (63 - 59))  /* Timing Alert */			| \
+	 (1UL << (63 - 62))) /* IUCV */
+
+void irq_subclass_register(enum irq_subclass subclass);
+void irq_subclass_unregister(enum irq_subclass subclass);
+
+#define irq_canonicalize(irq)  (irq)
+
+#endif /* __ASSEMBLY__ */
 
 #endif /* _ASM_IRQ_H */