Added port of the NetBSD (-current) DPT SmartCache III/IV PCI/EISA host adapter

driver to OpenBSD.

1 files changed, 128 insertions, 0 deletions

diff --git a/sys/dev/ic/dptvar.h b/sys/dev/ic/dptvar.h
new file mode 100644
index 00000000000..bb2e9c122a1
--- /dev/null
+++ b/sys/dev/ic/dptvar.h
@@ -0,0 +1,128 @@
+/*	$OpenBSD: dptvar.h,v 1.1 1999/11/30 07:55:56 cmetz Exp $	*/
+/*	$NetBSD: dptvar.h,v 1.5 1999/10/23 16:26:32 ad Exp $	*/
+
+/*
+ * Copyright (c) 1999 Andy Doran <ad@NetBSD.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#ifndef _IC_DPTVAR_H_
+#define _IC_DPTVAR_H_ 1
+#ifdef _KERNEL
+
+#define	CCB_OFF(sc,m)	((u_long)(m) - (u_long)((sc)->sc_ccbs))
+
+#define CCB_ALLOC	0x01	/* CCB allocated */
+#define CCB_ABORT	0x02	/* abort has been issued on this CCB */
+#define CCB_INTR	0x04	/* HBA interrupted for this CCB */
+#define CCB_PRIVATE	0x08	/* ours; don't talk to scsipi when done */ 
+
+struct dpt_ccb {
+	struct eata_cp	ccb_eata_cp;		/* EATA command packet */
+	struct eata_sg	ccb_sg[DPT_SG_SIZE];	/* SG element list */
+	volatile int	ccb_flg;		/* CCB flags */
+	int		ccb_timeout;		/* timeout in ms */
+	u_int32_t	ccb_ccbpa;		/* physical addr of this CCB */
+	bus_dmamap_t	ccb_dmamap_xfer;	/* dmamap for data xfers */
+	int		ccb_hba_status;		/* from status packet */
+	int		ccb_scsi_status;	/* from status packet */
+	int		ccb_id;			/* unique ID of this CCB */
+	TAILQ_ENTRY(dpt_ccb) ccb_chain;		/* link to next CCB */
+#ifdef __NetBSD__
+	struct scsipi_sense_data ccb_sense;	/* SCSI sense data on error */
+	struct scsipi_xfer *ccb_xs;		/* initiating SCSI command */
+#endif /* __NetBSD__ */
+#ifdef __OpenBSD__
+	struct scsi_sense_data ccb_sense;
+	struct scsi_xfer *ccb_xs;
+#endif /* __OpenBSD__ */
+};
+
+struct dpt_softc {
+	struct device sc_dv;		/* generic device data */
+	bus_space_handle_t sc_ioh;	/* bus space handle */
+#ifdef __NetBSD__
+	struct scsipi_adapter sc_adapter;/* scsipi adapter */
+	struct scsipi_link sc_link[3];	/* prototype link for each channel */
+#endif /* __NetBSD__ */
+#ifdef __OpenBSD__
+	struct scsi_adapter sc_adapter;/* scsipi adapter */
+	struct scsi_link sc_link[3];	/* prototype link for each channel */
+#endif /* __OpenBSD__ */
+	struct eata_cfg sc_ec;		/* EATA configuration data */
+	bus_space_tag_t	sc_iot;		/* bus space tag */
+	bus_dma_tag_t	sc_dmat;	/* bus DMA tag */
+	bus_dmamap_t	sc_dmamap_ccb;	/* maps the CCBs */
+	void	 	*sc_ih;		/* interrupt handler cookie */
+	void		*sc_sdh;	/* shutdown hook */
+	struct dpt_ccb	*sc_ccbs;	/* all our CCBs */
+	struct eata_sp	*sc_statpack;	/* EATA status packet */
+	int		sc_spoff;	/* status packet offset in dmamap */
+	u_int32_t	sc_sppa;	/* status packet physical address */
+	caddr_t		sc_scr;		/* scratch area */
+	int		sc_scrlen;	/* scratch area length */
+	int		sc_scroff;	/* scratch area offset in dmamap */
+	u_int32_t	sc_scrpa;	/* scratch area physical address */
+	int		sc_hbaid[3];	/* ID of HBA on each channel */
+	int		sc_nccbs;	/* number of CCBs available */
+	int		sc_open;	/* device is open */
+	TAILQ_HEAD(, dpt_ccb) sc_free_ccb;/* free ccb list */
+#ifdef __NetBSD__
+	TAILQ_HEAD(, scsipi_xfer) sc_queue;/* pending commands */
+#endif /* __NetBSD__ */
+#ifdef __OpenBSD__
+	LIST_HEAD(, scsi_xfer) sc_queue;/* pending commands */
+	struct scsi_xfer *sc_queuelast;
+#endif /* __NetBSD__ */
+};
+
+int	dpt_intr __P((void *));
+int	dpt_readcfg __P((struct dpt_softc *));
+void	dpt_init __P((struct dpt_softc *, const char *));
+void	dpt_shutdown __P((void *));
+void	dpt_timeout __P((void *));
+void	dpt_minphys __P((struct buf *));
+#ifdef __NetBSD__
+int	dpt_scsi_cmd __P((struct scsipi_xfer *));
+#endif /* __NetBSD__ */
+#ifdef __OpenBSD__
+int	dpt_scsi_cmd __P((struct scsi_xfer *));
+#endif /* __OpenBSD__ */
+int	dpt_wait __P((struct dpt_softc *, u_int8_t, u_int8_t, int));
+int	dpt_poll __P((struct dpt_softc *, struct dpt_ccb *));
+int	dpt_cmd __P((struct dpt_softc *, struct eata_cp *, u_int32_t, int, int));
+void	dpt_hba_inquire __P((struct dpt_softc *, struct eata_inquiry_data **));
+void	dpt_reset_ccb __P((struct dpt_softc *, struct dpt_ccb *));
+void	dpt_free_ccb __P((struct dpt_softc *, struct dpt_ccb *));
+void	dpt_done_ccb __P((struct dpt_softc *, struct dpt_ccb *));
+int	dpt_init_ccb __P((struct dpt_softc *, struct dpt_ccb *));
+int	dpt_create_ccbs __P((struct dpt_softc *, struct dpt_ccb *, int));
+struct dpt_ccb	*dpt_alloc_ccb __P((struct dpt_softc *, int));
+#ifdef DEBUG
+void	dpt_dump_sp __P((struct eata_sp *));
+#endif
+
+#endif	/* _KERNEL */
+#endif	/* !defined _IC_DPTVAR_H_ */