1 files changed, 51 insertions, 0 deletions
diff --git a/sys/arch/pmax/dev/siivar.h b/sys/arch/pmax/dev/siivar.h
new file mode 100644
index 00000000000..b36103ef4ce
--- /dev/null
+++ b/sys/arch/pmax/dev/siivar.h
@@ -0,0 +1,51 @@
+/*	$NetBSD: siivar.h,v 1.1 1996/10/13 03:02:41 jonathan Exp $	*/
+
+#ifndef _SIIVAR_H
+#define _SIIVAR_H
+
+typedef struct scsi_state {
+	int	statusByte;	/* status byte returned during STATUS_PHASE */
+	int	dmaDataPhase;	/* which data phase to expect */
+	int	dmaCurPhase;	/* SCSI phase if DMA is in progress */
+	int	dmaPrevPhase;	/* SCSI phase of DMA suspended by disconnect */
+	u_short	*dmaAddr[2];	/* DMA buffer memory address */
+	int	dmaBufIndex;	/* which of the above is currently in use */
+	int	dmalen;		/* amount to transfer in this chunk */
+	int	cmdlen;		/* total remaining amount of cmd to transfer */
+	u_char	*cmd;		/* current pointer within scsicmd->cmd */
+	int	buflen;		/* total remaining amount of data to transfer */
+	char	*buf;		/* current pointer within scsicmd->buf */
+	u_short	flags;		/* see below */
+	u_short	prevComm;	/* command reg before disconnect */
+	u_short	dmaCtrl;	/* DMA control register if disconnect */
+	u_short	dmaAddrL;	/* DMA address register if disconnect */
+	u_short	dmaAddrH;	/* DMA address register if disconnect */
+	u_short	dmaCnt;		/* DMA count if disconnect */
+	u_short	dmaByte;	/* DMA byte if disconnect on odd boundary */
+	u_short	dmaReqAck;	/* DMA synchronous xfer offset or 0 if async */
+} State;
+
+/* state flags */
+#define FIRST_DMA	0x01	/* true if no data DMA started yet */
+#define PARITY_ERR	0x02	/* true if parity error seen */
+
+#define SII_NCMD	7
+struct siisoftc {
+	struct device sc_dev;		/* us as a device */
+	void *sc_buf;			/* DMA buffer (may be special mem) */
+	SIIRegs	*sc_regs;		/* HW address of SII controller chip */
+	int	sc_flags;
+	int	sc_target;		/* target SCSI ID if connected */
+	ScsiCmd	*sc_cmd[SII_NCMD];	/* active command indexed by ID */
+	State	sc_st[SII_NCMD];	/* state info for each active command */
+#ifdef NEW_SCSI
+	struct scsi_link sc_link;		/* scsi lint struct */
+#endif
+};
+
+int siiintr __P((void *sc));
+
+/* Machine-indepedent back-end attach entry point */
+void	siiattach __P((struct siisoftc *sc));
+
+#endif	/* _SIIVAR_H */