/* $OpenBSD: isp_openbsd.h,v 1.26 2004/08/02 19:55:45 art Exp $ */
/*
* OpenBSD Specific definitions for the Qlogic ISP Host Adapter
*/
/*
* Copyright (C) 1999, 2000, 2001 by Matthew Jacob
* 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. 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 ``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 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_OPENBSD_H
#define _ISP_OPENBSD_H
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/buf.h>
#include <sys/proc.h>
#include <sys/user.h>
#include <sys/queue.h>
#if !(defined(__sparc__) && !defined(__sparcv9__))
#include <machine/bus.h>
#endif
#include <scsi/scsi_all.h>
#include <scsi/scsiconf.h>
#include <scsi/scsi_message.h>
#include <scsi/scsi_debug.h>
#include <uvm/uvm_extern.h>
/*
* Efficiency- get rid of SBus code && tests unless we need them.
*/
#if defined(__sparcv9__ ) || defined(__sparc__)
#define ISP_SBUS_SUPPORTED 1
#else
#define ISP_SBUS_SUPPORTED 0
#endif
#define ISP_PLATFORM_VERSION_MAJOR 2
#define ISP_PLATFORM_VERSION_MINOR 1
struct isposinfo {
struct device _dev;
struct scsi_link _link[2];
struct scsi_adapter _adapter;
int hiwater;
int splsaved;
int mboxwaiting;
u_int32_t islocked;
u_int32_t onintstack;
#if !(defined(__sparc__) && !defined(__sparcv9__))
bus_dma_tag_t dmatag;
bus_dmamap_t rqdmap;
bus_dmamap_t rsdmap;
bus_dmamap_t scdmap; /* FC only */
#define isp_dmatag isp_osinfo.dmatag
#define isp_rqdmap isp_osinfo.rqdmap
#define isp_rsdmap isp_osinfo.rsdmap
#define isp_scdmap isp_osinfo.scdmap
#endif
unsigned int : 28,
rtpend : 1,
no_mbox_ints : 1,
blocked : 2;
union {
u_int64_t _wwn;
u_int16_t _discovered[2];
} un;
#define discovered un._discovered
struct scsi_xfer *wqf, *wqt;
struct timeout rqt;
};
#define MUST_POLL(isp) \
(isp->isp_osinfo.onintstack || isp->isp_osinfo.no_mbox_ints)
/*
* Locking macros...
*/
#define ISP_LOCK isp_lock
#define ISP_UNLOCK isp_unlock
/*
* Required Macros/Defines
*/
#define INLINE __inline
/* We don't want expensive inline functions. */
#define EXP_INLINE
#define ISP2100_SCRLEN 0x800
#define MEMZERO bzero
#define MEMCPY(dst, src, amt) bcopy((src), (dst), (amt))
#define SNPRINTF snprintf
#define USEC_DELAY(x) delay(x)
#define USEC_SLEEP(isp, x) \
if (!MUST_POLL(isp)) \
ISP_UNLOCK(isp); \
delay(x); \
if (!MUST_POLL(isp)) \
ISP_LOCK(isp)
#define NANOTIME_T struct timespec
#define GET_NANOTIME nanotime
#define GET_NANOSEC(x) (((x)->tv_sec * 1000000000 + (x)->tv_nsec))
#define NANOTIME_SUB isp_nanotime_sub
#define MAXISPREQUEST(isp) 256
#if !(defined(__sparc__) && !defined(__sparcv9__))
#define MEMORYBARRIER(isp, type, offset, size) \
switch (type) { \
case SYNC_REQUEST: \
{ \
off_t off = (off_t) offset * QENTRY_LEN; \
bus_dmamap_sync(isp->isp_dmatag, isp->isp_rqdmap, \
off, size, BUS_DMASYNC_PREWRITE); \
break; \
} \
case SYNC_RESULT: \
{ \
off_t off = (off_t) offset * QENTRY_LEN; \
bus_dmamap_sync(isp->isp_dmatag, isp->isp_rsdmap, \
off, size, BUS_DMASYNC_POSTREAD); \
break; \
} \
case SYNC_SFORDEV: \
{ \
off_t off = (off_t) offset; \
bus_dmamap_sync(isp->isp_dmatag, isp->isp_scdmap, \
off, size, BUS_DMASYNC_PREWRITE); \
break; \
} \
case SYNC_SFORCPU: \
{ \
off_t off = (off_t) offset; \
bus_dmamap_sync(isp->isp_dmatag, isp->isp_scdmap, \
off, size, BUS_DMASYNC_POSTREAD); \
break; \
} \
case SYNC_REG: \
default: \
break; \
}
#else
#define MEMORYBARRIER(isp, type, offset, size)
#endif
#define MBOX_ACQUIRE(isp)
#define MBOX_WAIT_COMPLETE isp_wait_complete
#define MBOX_NOTIFY_COMPLETE(isp) \
if (isp->isp_osinfo.mboxwaiting) { \
isp->isp_osinfo.mboxwaiting = 0; \
wakeup(&isp->isp_osinfo.mboxwaiting); \
} \
isp->isp_mboxbsy = 0
#define MBOX_RELEASE(isp)
#define FC_SCRATCH_ACQUIRE(isp)
#define FC_SCRATCH_RELEASE(isp)
#ifndef SCSI_GOOD
#define SCSI_GOOD 0x0
#endif
#ifndef SCSI_CHECK
#define SCSI_CHECK 0x2
#endif
#ifndef SCSI_BUSY
#define SCSI_BUSY 0x8
#endif
#ifndef SCSI_QFULL
#define SCSI_QFULL 0x28
#endif
#define XS_T struct scsi_xfer
#define XS_CHANNEL(xs) (((xs)->sc_link->flags & SDEV_2NDBUS)? 1 : 0)
#define XS_ISP(xs) (xs)->sc_link->adapter_softc
#define XS_LUN(xs) ((int) (xs)->sc_link->lun)
#define XS_TGT(xs) ((int) (xs)->sc_link->target)
#define XS_CDBP(xs) ((caddr_t) (xs)->cmd)
#define XS_CDBLEN(xs) (xs)->cmdlen
#define XS_XFRLEN(xs) (xs)->datalen
#define XS_TIME(xs) (xs)->timeout
#define XS_RESID(xs) (xs)->resid
#define XS_STSP(xs) (&(xs)->status)
#define XS_SNSP(xs) (&(xs)->sense)
#define XS_SNSLEN(xs) (sizeof (xs)->sense)
#define XS_SNSKEY(xs) ((xs)->sense.flags)
#define XS_TAG_P(xs) (((xs)->flags & SCSI_POLL) != 0)
#define XS_TAG_TYPE(xs) REQFLAG_STAG
#define XS_SETERR(xs, v) (xs)->error = v
# define HBA_NOERROR XS_NOERROR
# define HBA_BOTCH XS_DRIVER_STUFFUP
# define HBA_CMDTIMEOUT XS_TIMEOUT
# define HBA_SELTIMEOUT XS_SELTIMEOUT
# define HBA_TGTBSY XS_BUSY
# define HBA_BUSRESET XS_RESET
# define HBA_ABORTED XS_DRIVER_STUFFUP
# define HBA_DATAOVR XS_DRIVER_STUFFUP
# define HBA_ARQFAIL XS_DRIVER_STUFFUP
#define XS_ERR(xs) (xs)->error
#define XS_NOERR(xs) (xs)->error == XS_NOERROR
#define XS_INITERR(xs) (xs)->error = 0, XS_CMD_S_CLEAR(xs)
#define XS_SAVE_SENSE(xs, sp) \
if (xs->error == XS_NOERROR) { \
xs->error = XS_SENSE; \
} \
bcopy(sp->req_sense_data, &(xs)->sense, \
imin(XS_SNSLEN(xs), sp->req_sense_len))
#define XS_SET_STATE_STAT(a, b, c)
#define DEFAULT_IID(x) 7
#define DEFAULT_LOOPID(x) 107
#define DEFAULT_NODEWWN(isp) (isp)->isp_osinfo.un._wwn
#define DEFAULT_PORTWWN(isp) (isp)->isp_osinfo.un._wwn
#define ISP_NODEWWN(isp) FCPARAM(isp)->isp_nodewwn
#define ISP_PORTWWN(isp) FCPARAM(isp)->isp_portwwn
#if BYTE_ORDER == BIG_ENDIAN
#ifdef ISP_SBUS_SUPPORTED
#define ISP_IOXPUT_8(isp, s, d) *(d) = s
#define ISP_IOXPUT_16(isp, s, d) \
*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : swap16(s)
#define ISP_IOXPUT_32(isp, s, d) \
*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : swap32(s)
#define ISP_IOXGET_8(isp, s, d) d = (*((u_int8_t *)s))
#define ISP_IOXGET_16(isp, s, d) \
d = (isp->isp_bustype == ISP_BT_SBUS)? \
*((u_int16_t *)s) : swap16(*((u_int16_t *)s))
#define ISP_IOXGET_32(isp, s, d) \
d = (isp->isp_bustype == ISP_BT_SBUS)? \
*((u_int32_t *)s) : swap32(*((u_int32_t *)s))
#else
#define ISP_IOXPUT_8(isp, s, d) *(d) = s
#define ISP_IOXPUT_16(isp, s, d) *(d) = swap16(s)
#define ISP_IOXPUT_32(isp, s, d) *(d) = swap32(s)
#define ISP_IOXGET_8(isp, s, d) d = (*((u_int8_t *)s))
#define ISP_IOXGET_16(isp, s, d) d = swap16(*((u_int16_t *)s))
#define ISP_IOXGET_32(isp, s, d) d = swap32(*((u_int32_t *)s))
#endif
#define ISP_SWIZZLE_NVRAM_WORD(isp, rp) *rp = swap16(*rp)
#else
#define ISP_IOXPUT_8(isp, s, d) *(d) = s
#define ISP_IOXPUT_16(isp, s, d) *(d) = s
#define ISP_IOXPUT_32(isp, s, d) *(d) = s
#define ISP_IOXGET_8(isp, s, d) d = *(s)
#define ISP_IOXGET_16(isp, s, d) d = *(s)
#define ISP_IOXGET_32(isp, s, d) d = *(s)
#define ISP_SWIZZLE_NVRAM_WORD(isp, rp)
#endif
/*
* Includes of common header files
*/
#include <dev/ic/ispreg.h>
#include <dev/ic/ispvar.h>
#include <dev/ic/ispmbox.h>
/*
* isp_osinfo definitions, extensions and shorthand.
*/
#define isp_name isp_osinfo._dev.dv_xname
#define isp_unit isp_osinfo._dev.dv_unit
/*
* Driver prototypes..
*/
void isp_attach(struct ispsoftc *);
void isp_uninit(struct ispsoftc *);
static INLINE void isp_lock(struct ispsoftc *);
static INLINE void isp_unlock(struct ispsoftc *);
static INLINE u_int64_t
isp_nanotime_sub(struct timespec *, struct timespec *);
static void isp_wait_complete(struct ispsoftc *);
/*
* Driver wide data...
*/
/*
* Platform private flags
*/
#define XS_PSTS_INWDOG 0x10000
#define XS_PSTS_GRACE 0x20000
#define XS_PSTS_TIMED 0x40000
#define XS_PSTS_ALL SCSI_PRIVATE
#define XS_CMD_S_WDOG(xs) (xs)->flags |= XS_PSTS_INWDOG
#define XS_CMD_C_WDOG(xs) (xs)->flags &= ~XS_PSTS_INWDOG
#define XS_CMD_WDOG_P(xs) (((xs)->flags & XS_PSTS_INWDOG) != 0)
#define XS_CMD_S_TIMER(xs) (xs)->flags |= XS_PSTS_TIMED
#define XS_CMD_C_TIMER(xs) (xs)->flags &= ~XS_PSTS_TIMED
#define XS_CMD_TIMER_P(xs) (((xs)->flags & XS_PSTS_TIMED) != 0)
#define XS_CMD_S_GRACE(xs) (xs)->flags |= XS_PSTS_GRACE
#define XS_CMD_C_GRACE(xs) (xs)->flags &= ~XS_PSTS_GRACE
#define XS_CMD_GRACE_P(xs) (((xs)->flags & XS_PSTS_GRACE) != 0)
#define XS_CMD_S_DONE(xs) (xs)->flags |= ITSDONE
#define XS_CMD_C_DONE(xs) (xs)->flags &= ~ITSDONE
#define XS_CMD_DONE_P(xs) (((xs)->flags & ITSDONE) != 0)
#define XS_CMD_S_CLEAR(xs) (xs)->flags &= ~XS_PSTS_ALL
/*
* Platform specific 'INLINE' or support functions
*/
static INLINE void
isp_lock(struct ispsoftc *isp)
{
int s = splbio();
if (isp->isp_osinfo.islocked++ == 0) {
isp->isp_osinfo.splsaved = s;
} else {
splx(s);
}
}
static INLINE void
isp_unlock(struct ispsoftc *isp)
{
if (isp->isp_osinfo.islocked-- <= 1) {
isp->isp_osinfo.islocked = 0;
splx(isp->isp_osinfo.splsaved);
}
}
static INLINE u_int64_t
isp_nanotime_sub(struct timespec *b, struct timespec *a)
{
struct timespec x;
u_int64_t elapsed;
timespecsub(b, a, &x);
elapsed = GET_NANOSEC(&x);
if (elapsed == 0)
elapsed++;
return (elapsed);
}
static INLINE void
isp_wait_complete(struct ispsoftc *isp)
{
int delaytime;
if (isp->isp_mbxwrk0)
delaytime = 60;
else
delaytime = 5;
if (MUST_POLL(isp)) {
int usecs = 0;
delaytime *= 1000000; /* convert to usecs */
while (usecs < delaytime) {
u_int16_t isr, sema, mbox;
if (isp->isp_mboxbsy == 0) {
break;
}
if (ISP_READ_ISR(isp, &isr, &sema, &mbox)) {
isp_intr(isp, isr, sema, mbox);
if (isp->isp_mboxbsy == 0) {
break;
}
}
USEC_DELAY(500);
usecs += 500;
}
if (isp->isp_mboxbsy != 0) {
isp_prt(isp, ISP_LOGWARN,
"Polled Mailbox Command (0x%x) Timeout",
isp->isp_lastmbxcmd);
}
} else {
int rv = 0;
isp->isp_osinfo.mboxwaiting = 1;
while (isp->isp_osinfo.mboxwaiting && rv == 0) {
rv = tsleep(&isp->isp_osinfo.mboxwaiting,
PRIBIO, "isp_mboxcmd", delaytime * hz);
}
if (rv == EWOULDBLOCK) {
isp->isp_mboxbsy = 0;
isp->isp_osinfo.mboxwaiting = 0;
isp_prt(isp, ISP_LOGWARN,
"Interrupting Mailbox Command (0x%x) Timeout",
isp->isp_lastmbxcmd);
}
}
}
/*
* Common INLINE functions
*/
#include <dev/ic/isp_inline.h>
#endif /* _ISP_NETBSD_H */
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