1 files changed, 13 insertions, 16 deletions

diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 939596d81b73..08a5e9380e75 100644
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef S390_CIO_H
 #define S390_CIO_H
 
@@ -8,6 +9,7 @@
 #include <asm/cio.h>
 #include <asm/fcx.h>
 #include <asm/schid.h>
+#include <asm/tpi.h>
 #include "chsc.h"
 
 /*
@@ -17,7 +19,7 @@ struct pmcw {
 	u32 intparm;		/* interruption parameter */
 	u32 qf	 : 1;		/* qdio facility */
 	u32 w	 : 1;
-	u32 isc  : 3;		/* interruption sublass */
+	u32 isc  : 3;		/* interruption subclass */
 	u32 res5 : 3;		/* reserved zeros */
 	u32 ena  : 1;		/* enabled */
 	u32 lm	 : 2;		/* limit mode */
@@ -45,18 +47,6 @@ struct pmcw {
 				/*  ... in an operand exception.       */
 } __attribute__ ((packed));
 
-/* I/O-Interruption Code as stored by TEST PENDING INTERRUPTION (TPI). */
-struct tpi_info {
-	struct subchannel_id schid;
-	u32 intparm;
-	u32 adapter_IO:1;
-	u32 :1;
-	u32 isc:3;
-	u32 :27;
-	u32 type:3;
-	u32 :12;
-} __packed __aligned(4);
-
 /* Target SCHIB configuration. */
 struct schib_config {
 	u64 mba;
@@ -93,7 +83,7 @@ enum sch_todo {
 /* subchannel data structure used by I/O subroutines */
 struct subchannel {
 	struct subchannel_id schid;
-	spinlock_t *lock;	/* subchannel lock */
+	spinlock_t lock;	/* subchannel lock */
 	struct mutex reg_mutex;
 	enum {
 		SUBCHANNEL_TYPE_IO = 0,
@@ -112,13 +102,18 @@ struct subchannel {
 	enum sch_todo todo;
 	struct work_struct todo_work;
 	struct schib_config config;
+	u64 dma_mask;
+	/*
+	 * Driver name to force a match.  Do not set directly, because core
+	 * frees it.  Use driver_set_override() to set or clear it.
+	 */
+	const char *driver_override;
 } __attribute__ ((aligned(8)));
 
-DECLARE_PER_CPU(struct irb, cio_irb);
+DECLARE_PER_CPU_ALIGNED(struct irb, cio_irb);
 
 #define to_subchannel(n) container_of(n, struct subchannel, dev)
 
-extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id);
 extern int cio_enable_subchannel(struct subchannel *, u32);
 extern int cio_disable_subchannel (struct subchannel *);
 extern int cio_cancel (struct subchannel *);
@@ -135,6 +130,8 @@ extern int cio_commit_config(struct subchannel *sch);
 int cio_tm_start_key(struct subchannel *sch, struct tcw *tcw, u8 lpm, u8 key);
 int cio_tm_intrg(struct subchannel *sch);
 
+extern int __init airq_init(void);
+
 /* Use with care. */
 #ifdef CONFIG_CCW_CONSOLE
 extern struct subchannel *cio_probe_console(void);