cregit-Linux how code gets into the kernel

Release 4.7 drivers/scsi/a3000.h

Directory: drivers/scsi
#ifndef A3000_H

#define A3000_H

/* $Id: a3000.h,v 1.4 1997/01/19 23:07:10 davem Exp $
 *
 * Header file for the Amiga 3000 built-in SCSI controller for Linux
 *
 * Written and (C) 1993, Hamish Macdonald, see a3000.c for more info
 *
 */

#include <linux/types.h>

#ifndef CMD_PER_LUN

#define CMD_PER_LUN		2
#endif

#ifndef CAN_QUEUE

#define CAN_QUEUE		16
#endif

/*
 * if the transfer address ANDed with this results in a non-zero
 * result, then we can't use DMA.
 */

#define A3000_XFER_MASK		(0x00000003)


struct a3000_scsiregs {
		 
unsigned char	pad1[2];
	
volatile unsigned short	DAWR;
	
volatile unsigned int	WTC;
		 
unsigned char	pad2[2];
	
volatile unsigned short	CNTR;
	
volatile unsigned long	ACR;
		 
unsigned char	pad3[2];
	
volatile unsigned short	ST_DMA;
		 
unsigned char	pad4[2];
	
volatile unsigned short	FLUSH;
		 
unsigned char	pad5[2];
	
volatile unsigned short	CINT;
		 
unsigned char	pad6[2];
	
volatile unsigned short	ISTR;
		 
unsigned char	pad7[30];
	
volatile unsigned short	SP_DMA;
		 
unsigned char	pad8;
	
volatile unsigned char	SASR;
		 
unsigned char	pad9;
	
volatile unsigned char	SCMD;
};


#define DAWR_A3000		(3)

/* CNTR bits. */

#define CNTR_TCEN		(1<<5)

#define CNTR_PREST		(1<<4)

#define CNTR_PDMD		(1<<3)

#define CNTR_INTEN		(1<<2)

#define CNTR_DDIR		(1<<1)

#define CNTR_IO_DX		(1<<0)

/* ISTR bits. */

#define ISTR_INTX		(1<<8)

#define ISTR_INT_F		(1<<7)

#define ISTR_INTS		(1<<6)

#define ISTR_E_INT		(1<<5)

#define ISTR_INT_P		(1<<4)

#define ISTR_UE_INT		(1<<3)

#define ISTR_OE_INT		(1<<2)

#define ISTR_FF_FLG		(1<<1)

#define ISTR_FE_FLG		(1<<0)

#endif /* A3000_H */

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Directory: drivers/scsi
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