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2024-02-19 890e1df1bec891d9203724541e81f8fbe5183388

 kernel/arch/s390/include/asm/airq.h
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@@ -11,10 +11,11 @@
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 #define _ASM_S390_AIRQ_H
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 #include <linux/bit_spinlock.h>
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+#include <linux/dma-mapping.h>
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 struct airq_struct {
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 	struct hlist_node list;		/* Handler queueing. */
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-	void (*handler)(struct airq_struct *);	/* Thin-interrupt handler */
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+	void (*handler)(struct airq_struct *airq, bool floating);
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 	u8 *lsi_ptr;			/* Local-Summary-Indicator pointer */
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 	u8 lsi_mask;			/* Local-Summary-Indicator mask */
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 	u8 isc;				/* Interrupt-subclass */
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@@ -29,19 +30,22 @@
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 /* Adapter interrupt bit vector */
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 struct airq_iv {
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 	unsigned long *vector;	/* Adapter interrupt bit vector */
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+	dma_addr_t vector_dma; /* Adapter interrupt bit vector dma */
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 	unsigned long *avail;	/* Allocation bit mask for the bit vector */
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 	unsigned long *bitlock;	/* Lock bit mask for the bit vector */
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 	unsigned long *ptr;	/* Pointer associated with each bit */
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 	unsigned int *data;	/* 32 bit value associated with each bit */
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 	unsigned long bits;	/* Number of bits in the vector */
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 	unsigned long end;	/* Number of highest allocated bit + 1 */
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+	unsigned long flags;	/* Allocation flags */
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 	spinlock_t lock;	/* Lock to protect alloc & free */
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 };
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-#define AIRQ_IV_ALLOC	1	/* Use an allocation bit mask */
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-#define AIRQ_IV_BITLOCK	2	/* Allocate the lock bit mask */
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-#define AIRQ_IV_PTR	4	/* Allocate the ptr array */
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-#define AIRQ_IV_DATA	8	/* Allocate the data array */
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+#define AIRQ_IV_ALLOC		1	/* Use an allocation bit mask */
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+#define AIRQ_IV_BITLOCK		2	/* Allocate the lock bit mask */
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+#define AIRQ_IV_PTR		4	/* Allocate the ptr array */
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+#define AIRQ_IV_DATA		8	/* Allocate the data array */
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+#define AIRQ_IV_CACHELINE	16	/* Cacheline alignment for the vector */
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 struct airq_iv *airq_iv_create(unsigned long bits, unsigned long flags);
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 void airq_iv_release(struct airq_iv *iv);