Release 4.7 include/asm-generic/msi.h

#ifndef __ASM_GENERIC_MSI_H

#define __ASM_GENERIC_MSI_H

#include <linux/types.h>

#ifndef NUM_MSI_ALLOC_SCRATCHPAD_REGS

# define NUM_MSI_ALLOC_SCRATCHPAD_REGS	2
#endif

struct msi_desc;

/**
 * struct msi_alloc_info - Default structure for MSI interrupt allocation.
 * @desc:       Pointer to msi descriptor
 * @hwirq:      Associated hw interrupt number in the domain
 * @scratchpad: Storage for implementation specific scratch data
 *
 * Architectures can provide their own implementation by not including
 * asm-generic/msi.h into their arch specific header file.
 */

typedef struct msi_alloc_info {
	
struct msi_desc			*desc;
	
irq_hw_number_t			hwirq;
	union {
		
unsigned long		ul;
		
void			*ptr;
	} 
scratchpad[NUM_MSI_ALLOC_SCRATCHPAD_REGS];
} 
msi_alloc_info_t;


#define GENERIC_MSI_DOMAIN_OPS		1

#endif
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Directory: include/asm-generic

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