diff --git a/drivers/scsi/sun3_scsi.h b/drivers/scsi/sun3_scsi.h
new file mode 100644
index 0000000..155282b
--- /dev/null
+++ b/drivers/scsi/sun3_scsi.h
@@ -0,0 +1,379 @@
+/*
+ * Sun3 SCSI stuff by Erik Verbruggen (erik@bigmama.xtdnet.nl)
+ *
+ * Sun3 DMA additions by Sam Creasey (sammy@sammy.net)
+ *
+ * Adapted from mac_scsinew.h:
+ */
+/*
+ * Cumana Generic NCR5380 driver defines
+ *
+ * Copyright 1993, Drew Eckhardt
+ *	Visionary Computing
+ *	(Unix and Linux consulting and custom programming)
+ *	drew@colorado.edu
+ *      +1 (303) 440-4894
+ *
+ * ALPHA RELEASE 1.
+ *
+ * For more information, please consult
+ *
+ * NCR 5380 Family
+ * SCSI Protocol Controller
+ * Databook
+ *
+ * NCR Microelectronics
+ * 1635 Aeroplaza Drive
+ * Colorado Springs, CO 80916
+ * 1+ (719) 578-3400
+ * 1+ (800) 334-5454
+ */
+
+/*
+ * $Log: cumana_NCR5380.h,v $
+ */
+
+#ifndef SUN3_NCR5380_H
+#define SUN3_NCR5380_H
+
+#define SUN3SCSI_PUBLIC_RELEASE 1
+
+/*
+ * Int: level 2 autovector
+ * IO: type 1, base 0x00140000, 5 bits phys space: A<4..0>
+ */
+#define IRQ_SUN3_SCSI 2
+#define IOBASE_SUN3_SCSI 0x00140000
+
+#define IOBASE_SUN3_VMESCSI 0xff200000
+
+static int sun3scsi_abort (Scsi_Cmnd *);
+static int sun3scsi_detect (Scsi_Host_Template *);
+static const char *sun3scsi_info (struct Scsi_Host *);
+static int sun3scsi_bus_reset(Scsi_Cmnd *);
+static int sun3scsi_queue_command (Scsi_Cmnd *, void (*done)(Scsi_Cmnd *));
+static int sun3scsi_release (struct Scsi_Host *);
+
+#ifndef CMD_PER_LUN
+#define CMD_PER_LUN 2
+#endif
+
+#ifndef CAN_QUEUE
+#define CAN_QUEUE 16
+#endif
+
+#ifndef SG_TABLESIZE
+#define SG_TABLESIZE SG_NONE
+#endif
+
+#ifndef MAX_TAGS
+#define MAX_TAGS 32
+#endif
+
+#ifndef USE_TAGGED_QUEUING
+#define	USE_TAGGED_QUEUING 1
+#endif
+
+#include <scsi/scsicam.h>
+
+#ifdef SUN3_SCSI_VME
+#define SUN3_SCSI_NAME "Sun3 NCR5380 VME SCSI"
+#else
+#define SUN3_SCSI_NAME "Sun3 NCR5380 SCSI"
+#endif
+
+#ifndef HOSTS_C
+
+#define NCR5380_implementation_fields \
+    int port, ctrl
+
+#define NCR5380_local_declare() \
+        struct Scsi_Host *_instance
+
+#define NCR5380_setup(instance) \
+        _instance = instance
+
+#define NCR5380_read(reg) sun3scsi_read(reg)
+#define NCR5380_write(reg, value) sun3scsi_write(reg, value)
+
+#define NCR5380_intr sun3scsi_intr
+#define NCR5380_queue_command sun3scsi_queue_command
+#define NCR5380_bus_reset sun3scsi_bus_reset
+#define NCR5380_abort sun3scsi_abort
+#define NCR5380_proc_info sun3scsi_proc_info
+#define NCR5380_dma_xfer_len(i, cmd, phase) \
+        sun3scsi_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1)
+
+#define NCR5380_dma_write_setup(instance, data, count) sun3scsi_dma_setup(data, count, 1)
+#define NCR5380_dma_read_setup(instance, data, count) sun3scsi_dma_setup(data, count, 0)
+#define NCR5380_dma_residual sun3scsi_dma_residual
+
+#define BOARD_NORMAL	0
+#define BOARD_NCR53C400	1
+
+/* additional registers - mainly DMA control regs */
+/* these start at regbase + 8 -- directly after the NCR regs */
+struct sun3_dma_regs {
+	unsigned short dma_addr_hi; /* vme only */
+	unsigned short dma_addr_lo; /* vme only */
+	unsigned short dma_count_hi; /* vme only */
+	unsigned short dma_count_lo; /* vme only */
+	unsigned short udc_data; /* udc dma data reg (obio only) */
+	unsigned short udc_addr; /* uda dma addr reg (obio only) */
+	unsigned short fifo_data; /* fifo data reg, holds extra byte on
+				     odd dma reads */
+	unsigned short fifo_count; 
+	unsigned short csr; /* control/status reg */
+	unsigned short bpack_hi; /* vme only */
+	unsigned short bpack_lo; /* vme only */
+	unsigned short ivect; /* vme only */
+	unsigned short fifo_count_hi; /* vme only */
+};
+
+/* ucd chip specific regs - live in dvma space */
+struct sun3_udc_regs {
+     unsigned short rsel; /* select regs to load */
+     unsigned short addr_hi; /* high word of addr */
+     unsigned short addr_lo; /* low word */
+     unsigned short count; /* words to be xfer'd */
+     unsigned short mode_hi; /* high word of channel mode */
+     unsigned short mode_lo; /* low word of channel mode */
+};
+
+/* addresses of the udc registers */
+#define UDC_MODE 0x38 
+#define UDC_CSR 0x2e /* command/status */
+#define UDC_CHN_HI 0x26 /* chain high word */
+#define UDC_CHN_LO 0x22 /* chain lo word */
+#define UDC_CURA_HI 0x1a /* cur reg A high */
+#define UDC_CURA_LO 0x0a /* cur reg A low */
+#define UDC_CURB_HI 0x12 /* cur reg B high */
+#define UDC_CURB_LO 0x02 /* cur reg B low */
+#define UDC_MODE_HI 0x56 /* mode reg high */
+#define UDC_MODE_LO 0x52 /* mode reg low */
+#define UDC_COUNT 0x32 /* words to xfer */
+
+/* some udc commands */
+#define UDC_RESET 0
+#define UDC_CHN_START 0xa0 /* start chain */
+#define UDC_INT_ENABLE 0x32 /* channel 1 int on */
+
+/* udc mode words */
+#define UDC_MODE_HIWORD 0x40
+#define UDC_MODE_LSEND 0xc2
+#define UDC_MODE_LRECV 0xd2
+
+/* udc reg selections */
+#define UDC_RSEL_SEND 0x282
+#define UDC_RSEL_RECV 0x182
+
+/* bits in csr reg */
+#define CSR_DMA_ACTIVE 0x8000
+#define CSR_DMA_CONFLICT 0x4000
+#define CSR_DMA_BUSERR 0x2000
+
+#define CSR_FIFO_EMPTY 0x400 /* fifo flushed? */
+#define CSR_SDB_INT 0x200 /* sbc interrupt pending */
+#define CSR_DMA_INT 0x100 /* dma interrupt pending */
+
+#define CSR_LEFT 0xc0
+#define CSR_LEFT_3 0xc0
+#define CSR_LEFT_2 0x80
+#define CSR_LEFT_1 0x40
+#define CSR_PACK_ENABLE 0x20
+
+#define CSR_DMA_ENABLE 0x10
+
+#define CSR_SEND 0x8 /* 1 = send  0 = recv */
+#define CSR_FIFO 0x2 /* reset fifo */
+#define CSR_INTR 0x4 /* interrupt enable */
+#define CSR_SCSI 0x1 
+
+#define VME_DATA24 0x3d00
+
+// debugging printk's, taken from atari_scsi.h 
+/* Debugging printk definitions:
+ *
+ *  ARB  -> arbitration
+ *  ASEN -> auto-sense
+ *  DMA  -> DMA
+ *  HSH  -> PIO handshake
+ *  INF  -> information transfer
+ *  INI  -> initialization
+ *  INT  -> interrupt
+ *  LNK  -> linked commands
+ *  MAIN -> NCR5380_main() control flow
+ *  NDAT -> no data-out phase
+ *  NWR  -> no write commands
+ *  PIO  -> PIO transfers
+ *  PDMA -> pseudo DMA (unused on Atari)
+ *  QU   -> queues
+ *  RSL  -> reselections
+ *  SEL  -> selections
+ *  USL  -> usleep cpde (unused on Atari)
+ *  LBS  -> last byte sent (unused on Atari)
+ *  RSS  -> restarting of selections
+ *  EXT  -> extended messages
+ *  ABRT -> aborting and resetting
+ *  TAG  -> queue tag handling
+ *  MER  -> merging of consec. buffers
+ *
+ */
+
+
+
+#if NDEBUG & NDEBUG_ARBITRATION
+#define ARB_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define ARB_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_AUTOSENSE
+#define ASEN_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define ASEN_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_DMA
+#define DMA_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define DMA_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_HANDSHAKE
+#define HSH_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define HSH_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_INFORMATION
+#define INF_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define INF_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_INIT
+#define INI_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define INI_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_INTR
+#define INT_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define INT_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_LINKED
+#define LNK_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define LNK_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_MAIN
+#define MAIN_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define MAIN_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_NO_DATAOUT
+#define NDAT_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define NDAT_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_NO_WRITE
+#define NWR_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define NWR_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_PIO
+#define PIO_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define PIO_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_PSEUDO_DMA
+#define PDMA_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define PDMA_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_QUEUES
+#define QU_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define QU_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_RESELECTION
+#define RSL_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define RSL_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_SELECTION
+#define SEL_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define SEL_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_USLEEP
+#define USL_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define USL_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_LAST_BYTE_SENT
+#define LBS_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define LBS_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_RESTART_SELECT
+#define RSS_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define RSS_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_EXTENDED
+#define EXT_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define EXT_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_ABORT
+#define ABRT_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define ABRT_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_TAGS
+#define TAG_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define TAG_PRINTK(format, args...)
+#endif
+#if NDEBUG & NDEBUG_MERGING
+#define MER_PRINTK(format, args...) \
+	printk(KERN_DEBUG format , ## args)
+#else
+#define MER_PRINTK(format, args...)
+#endif
+
+/* conditional macros for NCR5380_print_{,phase,status} */
+
+#define NCR_PRINT(mask)	\
+	((NDEBUG & (mask)) ? NCR5380_print(instance) : (void)0)
+
+#define NCR_PRINT_PHASE(mask) \
+	((NDEBUG & (mask)) ? NCR5380_print_phase(instance) : (void)0)
+
+#define NCR_PRINT_STATUS(mask) \
+	((NDEBUG & (mask)) ? NCR5380_print_status(instance) : (void)0)
+
+
+
+#endif /* ndef HOSTS_C */
+#endif /* SUN3_NCR5380_H */
+