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/* $FreeBSD$ */
/*
* 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;
volatile char simqfrozen;
};
#define isp_sim isp_osinfo.sim
#define isp_path isp_osinfo.path
#define isp_unit isp_osinfo.unit
#define isp_name isp_osinfo.name
#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
#ifdef CAMDEBUG
#define DFLT_DBLEVEL 2
#else
#define DFLT_DBLEVEL 1
#endif
#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; \
} \
} \
if ((XS_ISP((sccb)))->isp_osinfo.simqfrozen) { \
(sccb)->ccb_h.status |= CAM_RELEASE_SIMQ; \
(XS_ISP((sccb)))->isp_osinfo.simqfrozen = 0; \
} \
(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) \
&& (ccb)->tag_action != CAM_TAG_ACTION_NONE)
/*
* 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 */
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