Update QLogic ISP support for CAM. Add preliminary target mode support.

Submitted by:	Matthew Jacob <mjacob@feral.com>

1 files changed, 410 insertions, 0 deletions

diff --git a/sys/dev/isp/isp_freebsd_cam.h b/sys/dev/isp/isp_freebsd_cam.h
new file mode 100644
index 0000000..c35a761
--- /dev/null
+++ b/sys/dev/isp/isp_freebsd_cam.h
@@ -0,0 +1,410 @@
+/* $FreeBSD$ */
+/* $Id: isp_freebsd_cam.h,v 1.6 1998/09/08 01:01:53 mjacob Exp $ */
+/*
+ * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions (CAM version)
+ *---------------------------------------
+ * Copyright (c) 1997, 1998 by Matthew Jacob
+ * NASA/Ames Research Center
+ * 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 immediately at the beginning of the file, without modification,
+ *    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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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	_ISP_FREEBSD_CAM_H
+#define	_ISP_FREEBSD_CAM_H
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/queue.h>
+
+#include <machine/bus_memio.h>
+#include <machine/bus_pio.h>
+#include <machine/bus.h>
+#include <machine/clock.h>
+
+#include <cam/cam.h>
+#include <cam/cam_debug.h>
+#include <cam/cam_ccb.h>
+#include <cam/cam_sim.h>
+#include <cam/cam_xpt.h>
+#include <cam/cam_xpt_sim.h>
+#include <cam/cam_debug.h>
+#include <cam/scsi/scsi_all.h>
+#include <cam/scsi/scsi_message.h>
+
+
+#ifndef	SCSI_CHECK
+#define	SCSI_CHECK	SCSI_STATUS_CHECK_COND
+#endif
+#ifndef	SCSI_BUSY
+#define	SCSI_BUSY	SCSI_STATUS_BUSY
+#endif
+
+#define	ISP_SCSI_XFER_T		struct ccb_scsiio
+struct isposinfo {
+	char			name[8];
+	int			unit;
+	struct cam_sim		*sim;
+	struct cam_path		*path;
+	struct callout_handle	watchid;
+};
+
+#define	isp_sim		isp_osinfo.sim
+#define	isp_path	isp_osinfo.path
+#define	isp_unit	isp_osinfo.unit
+#define	isp_name	isp_osinfo.name
+
+
+/*
+ * XXXX: UNTIL WE PUT CODE IN THAT CHECKS RETURNS FROM MALLOC
+ * XXXX: FOR CONTIGOUS PAGES, WE LIMIT TO PAGE_SIZE THE SIZE
+ * XXXX: OF MAILBOXES.
+ */
+#define	MAXISPREQUEST	64
+
+#define	PVS			"Qlogic ISP Driver, FreeBSD CAM"
+
+#include <dev/isp/ispreg.h>
+#include <dev/isp/ispvar.h>
+#include <dev/isp/ispmbox.h>
+
+#define	PRINTF			printf
+#define	IDPRINTF(lev, x)	if (isp->isp_dblev >= lev) printf x
+
+#define	DFLT_DBLEVEL		2
+
+#define	ISP_LOCKVAL_DECL	int isp_spl_save
+#define	ISP_UNLOCK(isp)		(void) splx(isp_spl_save)
+#define	ISP_LOCK(isp)		isp_spl_save = splcam()
+#define	ISP_ILOCK(isp)		ISP_LOCK(isp)
+#define	ISP_IUNLOCK(isp)	ISP_UNLOCK(isp)
+#define	IMASK			cam_imask
+
+#define	XS_NULL(ccb)		ccb == NULL
+#define	XS_ISP(ccb)		((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1)
+
+#define	XS_LUN(ccb)		(ccb)->ccb_h.target_lun
+#define	XS_TGT(ccb)		(ccb)->ccb_h.target_id
+#define	XS_RESID(ccb)		(ccb)->resid
+#define	XS_XFRLEN(ccb)		(ccb)->dxfer_len
+#define	XS_CDBLEN(ccb)		(ccb)->cdb_len
+#define	XS_CDBP(ccb)		((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
+	(ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes
+#define	XS_STS(ccb)		(ccb)->scsi_status
+#define	XS_TIME(ccb)		(ccb)->ccb_h.timeout
+#define	XS_SNSP(ccb)		(&(ccb)->sense_data)
+#define	XS_SNSLEN(ccb)		imin((sizeof (ccb)->sense_data), ccb->sense_len)
+#define	XS_SNSKEY(ccb)		((ccb)->sense_data.flags & 0xf)
+
+/*
+ * A little tricky- HBA_NOERROR is "in progress" so
+ * that XS_CMD_DONE can transition this to CAM_REQ_CMP.
+ */
+#define	HBA_NOERROR		CAM_REQ_INPROG
+#define	HBA_BOTCH		CAM_UNREC_HBA_ERROR
+#define	HBA_CMDTIMEOUT		CAM_CMD_TIMEOUT
+#define	HBA_SELTIMEOUT		CAM_SEL_TIMEOUT
+#define	HBA_TGTBSY		CAM_SCSI_STATUS_ERROR
+#define	HBA_BUSRESET		CAM_SCSI_BUS_RESET
+#define	HBA_ABORTED		CAM_REQ_ABORTED
+#define	HBA_DATAOVR		CAM_DATA_RUN_ERR
+#define	HBA_ARQFAIL		CAM_AUTOSENSE_FAIL
+
+#define	XS_SNS_IS_VALID(ccb) ((ccb)->ccb_h.status |= CAM_AUTOSNS_VALID)
+#define	XS_IS_SNS_VALID(ccb) (((ccb)->ccb_h.status & CAM_AUTOSNS_VALID) != 0)
+
+#define	XS_INITERR(ccb)		\
+	(ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
+	(ccb)->ccb_h.status |= CAM_REQ_INPROG, \
+	(ccb)->ccb_h.spriv_field0 = CAM_REQ_INPROG
+#define	XS_SETERR(ccb, v)	(ccb)->ccb_h.spriv_field0 = v
+#define	XS_ERR(ccb)		(ccb)->ccb_h.spriv_field0
+#define	XS_NOERR(ccb)		\
+	((ccb)->ccb_h.spriv_field0 == CAM_REQ_INPROG)
+
+#define	XS_CMD_DONE(sccb)	\
+	if (XS_NOERR((sccb))) \
+		XS_SETERR((sccb), CAM_REQ_CMP); \
+	(sccb)->ccb_h.status &= ~CAM_STATUS_MASK; \
+	(sccb)->ccb_h.status |= (sccb)->ccb_h.spriv_field0; \
+	if (((sccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && \
+	    (sccb)->scsi_status != SCSI_STATUS_OK) { \
+		(sccb)->ccb_h.status &= ~CAM_STATUS_MASK; \
+		(sccb)->ccb_h.status |= CAM_SCSI_STATUS_ERROR; \
+	} \
+	if (((sccb)->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { \
+		if (((sccb)->ccb_h.status & CAM_DEV_QFRZN) == 0) { \
+			struct ispsoftc *isp = XS_ISP((sccb)); \
+			IDPRINTF(3, ("%s: freeze devq %d.%d ccbstat 0x%x\n",\
+			    isp->isp_name, (sccb)->ccb_h.target_id, \
+			    (sccb)->ccb_h.target_lun, (sccb)->ccb_h.status)); \
+			xpt_freeze_devq((sccb)->ccb_h.path, 1); \
+			(sccb)->ccb_h.status |= CAM_DEV_QFRZN; \
+		} \
+	} \
+	(sccb)->ccb_h.status &= ~CAM_SIM_QUEUED; \
+	xpt_done((union ccb *)(sccb))
+
+#define	XS_IS_CMD_DONE(ccb)	\
+	(((ccb)->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG)
+
+/*
+ * Can we tag?
+ */
+
+#define	XS_CANTAG(ccb)		((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID)
+/*
+ * And our favorite tag is....
+ */
+#define	XS_KINDOF_TAG(ccb)	\
+	((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
+	  ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
+		
+
+
+#define	CMD_COMPLETE		0
+#define	CMD_EAGAIN		1
+#define	CMD_QUEUED		2
+
+
+
+#define	SYS_DELAY(x)	DELAY(x)
+
+#define	WATCH_INTERVAL		30
+#define	START_WATCHDOG(f, s)	\
+	(s)->isp_osinfo.watchid = timeout(f, s, WATCH_INTERVAL * hz), \
+	s->isp_dogactive = 1
+#define	STOP_WATCHDOG(f, s)	untimeout(f, s, (s)->isp_osinfo.watchid),\
+	(s)->isp_dogactive = 0
+#define	RESTART_WATCHDOG(f, s)	START_WATCHDOG(f, s)
+extern void isp_attach __P((struct ispsoftc *));
+
+#endif	/* _ISP_FREEBSD_CAM_H */
+/* $FreeBSD$ */
+/* $Id: isp_freebsd_cam.h,v 1.6 1998/09/08 01:01:53 mjacob Exp $ */
+/*
+ * Qlogic ISP SCSI Host Adapter FreeBSD Wrapper Definitions (CAM version)
+ *---------------------------------------
+ * Copyright (c) 1997, 1998 by Matthew Jacob
+ * NASA/Ames Research Center
+ * 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 immediately at the beginning of the file, without modification,
+ *    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.
+ * 3. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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	_ISP_FREEBSD_CAM_H
+#define	_ISP_FREEBSD_CAM_H
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/queue.h>
+
+#include <machine/bus_memio.h>
+#include <machine/bus_pio.h>
+#include <machine/bus.h>
+#include <machine/clock.h>
+
+#include <cam/cam.h>
+#include <cam/cam_debug.h>
+#include <cam/cam_ccb.h>
+#include <cam/cam_sim.h>
+#include <cam/cam_xpt.h>
+#include <cam/cam_xpt_sim.h>
+#include <cam/cam_debug.h>
+#include <cam/scsi/scsi_all.h>
+#include <cam/scsi/scsi_message.h>
+
+
+#ifndef	SCSI_CHECK
+#define	SCSI_CHECK	SCSI_STATUS_CHECK_COND
+#endif
+#ifndef	SCSI_BUSY
+#define	SCSI_BUSY	SCSI_STATUS_BUSY
+#endif
+
+#define	ISP_SCSI_XFER_T		struct ccb_scsiio
+struct isposinfo {
+	char			name[8];
+	int			unit;
+	struct cam_sim		*sim;
+	struct cam_path		*path;
+	struct callout_handle	watchid;
+};
+
+#define	isp_sim		isp_osinfo.sim
+#define	isp_path	isp_osinfo.path
+#define	isp_unit	isp_osinfo.unit
+#define	isp_name	isp_osinfo.name
+
+
+/*
+ * XXXX: UNTIL WE PUT CODE IN THAT CHECKS RETURNS FROM MALLOC
+ * XXXX: FOR CONTIGOUS PAGES, WE LIMIT TO PAGE_SIZE THE SIZE
+ * XXXX: OF MAILBOXES.
+ */
+#define	MAXISPREQUEST	64
+
+#define	PVS			"Qlogic ISP Driver, FreeBSD CAM"
+
+#include <dev/isp/ispreg.h>
+#include <dev/isp/ispvar.h>
+#include <dev/isp/ispmbox.h>
+
+#define	PRINTF			printf
+#define	IDPRINTF(lev, x)	if (isp->isp_dblev >= lev) printf x
+
+#define	DFLT_DBLEVEL		2
+
+#define	ISP_LOCKVAL_DECL	int isp_spl_save
+#define	ISP_UNLOCK(isp)		(void) splx(isp_spl_save)
+#define	ISP_LOCK(isp)		isp_spl_save = splcam()
+#define	ISP_ILOCK(isp)		ISP_LOCK(isp)
+#define	ISP_IUNLOCK(isp)	ISP_UNLOCK(isp)
+#define	IMASK			cam_imask
+
+#define	XS_NULL(ccb)		ccb == NULL
+#define	XS_ISP(ccb)		((struct ispsoftc *) (ccb)->ccb_h.spriv_ptr1)
+
+#define	XS_LUN(ccb)		(ccb)->ccb_h.target_lun
+#define	XS_TGT(ccb)		(ccb)->ccb_h.target_id
+#define	XS_RESID(ccb)		(ccb)->resid
+#define	XS_XFRLEN(ccb)		(ccb)->dxfer_len
+#define	XS_CDBLEN(ccb)		(ccb)->cdb_len
+#define	XS_CDBP(ccb)		((ccb)->ccb_h.flags & CAM_CDB_POINTER)? \
+	(ccb)->cdb_io.cdb_ptr : (ccb)->cdb_io.cdb_bytes
+#define	XS_STS(ccb)		(ccb)->scsi_status
+#define	XS_TIME(ccb)		(ccb)->ccb_h.timeout
+#define	XS_SNSP(ccb)		(&(ccb)->sense_data)
+#define	XS_SNSLEN(ccb)		imin((sizeof (ccb)->sense_data), ccb->sense_len)
+#define	XS_SNSKEY(ccb)		((ccb)->sense_data.flags & 0xf)
+
+/*
+ * A little tricky- HBA_NOERROR is "in progress" so
+ * that XS_CMD_DONE can transition this to CAM_REQ_CMP.
+ */
+#define	HBA_NOERROR		CAM_REQ_INPROG
+#define	HBA_BOTCH		CAM_UNREC_HBA_ERROR
+#define	HBA_CMDTIMEOUT		CAM_CMD_TIMEOUT
+#define	HBA_SELTIMEOUT		CAM_SEL_TIMEOUT
+#define	HBA_TGTBSY		CAM_SCSI_STATUS_ERROR
+#define	HBA_BUSRESET		CAM_SCSI_BUS_RESET
+#define	HBA_ABORTED		CAM_REQ_ABORTED
+#define	HBA_DATAOVR		CAM_DATA_RUN_ERR
+#define	HBA_ARQFAIL		CAM_AUTOSENSE_FAIL
+
+#define	XS_SNS_IS_VALID(ccb) ((ccb)->ccb_h.status |= CAM_AUTOSNS_VALID)
+#define	XS_IS_SNS_VALID(ccb) (((ccb)->ccb_h.status & CAM_AUTOSNS_VALID) != 0)
+
+#define	XS_INITERR(ccb)		\
+	(ccb)->ccb_h.status &= ~CAM_STATUS_MASK, \
+	(ccb)->ccb_h.status |= CAM_REQ_INPROG, \
+	(ccb)->ccb_h.spriv_field0 = CAM_REQ_INPROG
+#define	XS_SETERR(ccb, v)	(ccb)->ccb_h.spriv_field0 = v
+#define	XS_ERR(ccb)		(ccb)->ccb_h.spriv_field0
+#define	XS_NOERR(ccb)		\
+	((ccb)->ccb_h.spriv_field0 == CAM_REQ_INPROG)
+
+#define	XS_CMD_DONE(sccb)	\
+	if (XS_NOERR((sccb))) \
+		XS_SETERR((sccb), CAM_REQ_CMP); \
+	(sccb)->ccb_h.status &= ~CAM_STATUS_MASK; \
+	(sccb)->ccb_h.status |= (sccb)->ccb_h.spriv_field0; \
+	if (((sccb)->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP && \
+	    (sccb)->scsi_status != SCSI_STATUS_OK) { \
+		(sccb)->ccb_h.status &= ~CAM_STATUS_MASK; \
+		(sccb)->ccb_h.status |= CAM_SCSI_STATUS_ERROR; \
+	} \
+	if (((sccb)->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) { \
+		if (((sccb)->ccb_h.status & CAM_DEV_QFRZN) == 0) { \
+			struct ispsoftc *isp = XS_ISP((sccb)); \
+			IDPRINTF(3, ("%s: freeze devq %d.%d ccbstat 0x%x\n",\
+			    isp->isp_name, (sccb)->ccb_h.target_id, \
+			    (sccb)->ccb_h.target_lun, (sccb)->ccb_h.status)); \
+			xpt_freeze_devq((sccb)->ccb_h.path, 1); \
+			(sccb)->ccb_h.status |= CAM_DEV_QFRZN; \
+		} \
+	} \
+	(sccb)->ccb_h.status &= ~CAM_SIM_QUEUED; \
+	xpt_done((union ccb *)(sccb))
+
+#define	XS_IS_CMD_DONE(ccb)	\
+	(((ccb)->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG)
+
+/*
+ * Can we tag?
+ */
+
+#define	XS_CANTAG(ccb)		((ccb)->ccb_h.flags & CAM_TAG_ACTION_VALID)
+/*
+ * And our favorite tag is....
+ */
+#define	XS_KINDOF_TAG(ccb)	\
+	((ccb->tag_action == MSG_SIMPLE_Q_TAG)? REQFLAG_STAG : \
+	  ((ccb->tag_action == MSG_HEAD_OF_Q_TAG)? REQFLAG_HTAG : REQFLAG_OTAG))
+		
+
+
+#define	CMD_COMPLETE		0
+#define	CMD_EAGAIN		1
+#define	CMD_QUEUED		2
+
+
+
+#define	SYS_DELAY(x)	DELAY(x)
+
+#define	WATCH_INTERVAL		30
+#define	START_WATCHDOG(f, s)	\
+	(s)->isp_osinfo.watchid = timeout(f, s, WATCH_INTERVAL * hz), \
+	s->isp_dogactive = 1
+#define	STOP_WATCHDOG(f, s)	untimeout(f, s, (s)->isp_osinfo.watchid),\
+	(s)->isp_dogactive = 0
+#define	RESTART_WATCHDOG(f, s)	START_WATCHDOG(f, s)
+extern void isp_attach __P((struct ispsoftc *));
+
+#endif	/* _ISP_FREEBSD_CAM_H */