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NetBSD/sys/dev/ic/isp_netbsd.h
mjacob 068c76fc80 Core version 2.0 (platform version 1.0) rewrite of ISP driver. Some 
interace cleanups, some new common functions. The major impact that
will be noticeable right away is that if you boot with not Fibre connected
to the FC cards, you no longer hang indefinitely.
2000-08-01 23:55:09 +00:00

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/* $NetBSD: isp_netbsd.h,v 1.27 2000/08/01 23:55:11 mjacob Exp $ */
/*
* NetBSD Specific definitions for the Qlogic ISP Host Adapter
* Matthew Jacob <mjacob@nas.nasa.gov>
*/
/*
* Copyright (C) 1997, 1998, 1999 National Aeronautics & Space Administration
* 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.
* 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 ``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_NETBSD_H
#define _ISP_NETBSD_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 <dev/scsipi/scsi_all.h>
#include <dev/scsipi/scsipi_all.h>
#include <dev/scsipi/scsiconf.h>
#include <dev/scsipi/scsi_message.h>
#include <dev/scsipi/scsipi_debug.h>
#include "opt_isp.h"
#define ISP_PLATFORM_VERSION_MAJOR 1
#define ISP_PLATFORM_VERSION_MINOR 0
struct isposinfo {
struct device _dev;
struct scsipi_link _link;
struct scsipi_link _link_b;
struct scsipi_adapter _adapter;
int splsaved;
int mboxwaiting;
unsigned int
: 28,
onintstack : 1,
no_mbox_ints : 1,
blocked : 1,
islocked : 1;
union {
u_int64_t _wwn;
u_int16_t _discovered[2];
#define wwn_seed un._wwn
#define discovered un._discovered
} un;
TAILQ_HEAD(, scsipi_xfer) waitq;
struct callout _restart;
};
/*
* Required Macros/Defines
*/
#define INLINE inline
#define ISP2100_FABRIC 1
#define ISP2100_SCRLEN 0x400
#define MEMZERO bzero
#define MEMCPY(dst, src, amt) bcopy((src), (dst), (amt))
#define SNPRINTF snprintf
#define STRNCAT strncat
#define USEC_DELAY DELAY
#define NANOTIME_T struct timeval
#define GET_NANOTIME microtime
#define GET_NANOSEC(x) (((x)->tv_sec * 1000000 + (x)->tv_usec) * 1000)
#define NANOTIME_SUB isp_microtime_sub
#define MAXISPREQUEST(isp) 256
#ifdef __alpha__
#define MEMORYBARRIER(isp, type, offset, size) alpha_mb()
#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)
#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 scsipi_xfer
#define XS_CHANNEL(xs) \
(((int) (xs)->sc_link->scsipi_scsi.channel == SCSI_CHANNEL_ONLY_ONE) ? \
0 : (xs)->sc_link->scsipi_scsi.channel)
#define XS_ISP(xs) (xs)->sc_link->adapter_softc
#define XS_LUN(xs) ((int) (xs)->sc_link->scsipi_scsi.lun)
#define XS_TGT(xs) ((int) (xs)->sc_link->scsipi_scsi.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.scsi_sense)
#define XS_SNSLEN(xs) (sizeof (xs)->sense)
#define XS_SNSKEY(xs) ((xs)->sense.scsi_sense.flags)
#define XS_TAG_P(ccb) (((xs)->xs_control & XS_CTL_POLL) != 0)
#define XS_TAG_TYPE(xs) \
(((xs)->xs_control & XS_CTL_URGENT) ? REQFLAG_HTAG : REQFLAG_OTAG)
#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) \
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) 108
#define DEFAULT_NODEWWN(isp) (isp)->isp_osinfo.un._wwn
#define DEFAULT_PORTWWN(isp) \
isp_port_from_node_wwn((isp), DEFAULT_NODEWWN(isp))
#define PORT_FROM_NODE_WWN isp_port_from_node_wwn
#define ISP_UNSWIZZLE_AND_COPY_PDBP(isp, dest, src) \
if((void *)src != (void *)dest) bcopy(src, dest, sizeof (isp_pdb_t))
#define ISP_SWIZZLE_ICB(a, b)
#ifdef __sparc__
#define ISP_SWIZZLE_REQUEST(a, b) \
ISP_SBUSIFY_ISPHDR(a, &(b)->req_header); \
ISP_SBUSIFY_ISPREQ(a, b)
#define ISP_UNSWIZZLE_RESPONSE(a, b, c) \
ISP_SBUSIFY_ISPHDR(a, &(b)->req_header)
#else
#define ISP_SWIZZLE_REQUEST(a, b)
#define ISP_UNSWIZZLE_RESPONSE(a, b, c)
#endif
#define ISP_SWIZZLE_SNS_REQ(a, b)
#define ISP_UNSWIZZLE_SNS_RSP(a, b, c)
#ifdef __sparc__
#define ISP_SWIZZLE_NVRAM_WORD(isp, rp) \
{ \
u_int16_t tmp = *rp >> 8; \
tmp |= ((*rp & 0xff) << 8); \
*rp = tmp; \
}
#else
#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 __P((struct ispsoftc *));
void isp_uninit __P((struct ispsoftc *));
static inline void isp_lock __P((struct ispsoftc *));
static inline void isp_unlock __P((struct ispsoftc *));
static inline char *strncat __P((char *, const char *, size_t));
static inline u_int64_t
isp_port_from_node_wwn __P((struct ispsoftc *, u_int64_t));
static inline u_int64_t
isp_microtime_sub __P((struct timeval *, struct timeval *));
static void isp_wait_complete __P((struct ispsoftc *));
/*
* Driver wide data...
*/
/*
* Locking macros...
*/
#define ISP_LOCK isp_lock
#define ISP_UNLOCK isp_unlock
/*
* Platform private flags
*/
#define XS_PSTS_INWDOG 0x10000000
#define XS_PSTS_GRACE 0x20000000
#define XS_PSTS_ALL 0x30000000
#define XS_CMD_S_WDOG(xs) (xs)->xs_status |= XS_PSTS_INWDOG
#define XS_CMD_C_WDOG(xs) (xs)->xs_status &= ~XS_PSTS_INWDOG
#define XS_CMD_WDOG_P(xs) (((xs)->xs_status & XS_PSTS_INWDOG) != 0)
#define XS_CMD_S_GRACE(xs) (xs)->xs_status |= XS_PSTS_GRACE
#define XS_CMD_C_GRACE(xs) (xs)->xs_status &= ~XS_PSTS_GRACE
#define XS_CMD_GRACE_P(xs) (((xs)->xs_status & XS_PSTS_GRACE) != 0)
#define XS_CMD_S_DONE(xs) (xs)->xs_status |= XS_STS_DONE
#define XS_CMD_C_DONE(xs) (xs)->xs_status &= ~XS_STS_DONE
#define XS_CMD_DONE_P(xs) (((xs)->xs_status & XS_STS_DONE) != 0)
#define XS_CMD_S_CLEAR(xs) (xs)->xs_status &= ~XS_PSTS_ALL
/*
* Platform specific 'inline' or support functions
*/
static inline void
isp_lock(isp)
struct ispsoftc *isp;
{
int s = splbio();
if (isp->isp_osinfo.islocked == 0) {
isp->isp_osinfo.islocked = 1;
isp->isp_osinfo.splsaved = s;
} else {
splx(s);
}
}
static inline void
isp_unlock(isp)
struct ispsoftc *isp;
{
if (isp->isp_osinfo.islocked) {
isp->isp_osinfo.islocked = 0;
splx(isp->isp_osinfo.splsaved);
}
}
static inline char *
strncat(d, s, c)
char *d;
const char *s;
size_t c;
{
char *t = d;
if (c) {
while (*d)
d++;
while ((*d++ = *s++)) {
if (--c == 0) {
*d = '\0';
break;
}
}
}
return (t);
}
static inline u_int64_t
isp_microtime_sub(b, a)
struct timeval *b;
struct timeval *a;
{
struct timeval x;
u_int64_t elapsed;
timersub(b, a, &x);
elapsed = GET_NANOSEC(&x);
if (elapsed == 0)
elapsed++;
return (elapsed);
}
static inline void
isp_wait_complete(isp)
struct ispsoftc *isp;
{
if (isp->isp_osinfo.onintstack || isp->isp_osinfo.no_mbox_ints) {
int usecs = 0;
while (usecs < 2 * 1000000) {
(void) isp_intr(isp);
if (isp->isp_mboxbsy == 0) {
break;
}
USEC_DELAY(500);
usecs += 500;
}
if (isp->isp_mboxbsy != 0) {
isp_prt(isp, ISP_LOGWARN, "Mailbox Cmd (poll) Timeout");
}
} else {
int rv = 0;
isp->isp_osinfo.mboxwaiting = 1;
while (isp->isp_osinfo.mboxwaiting && rv == 0) {
static struct timeval twosec = { 2, 0 };
int timo;
struct timeval tv;
microtime(&tv);
timeradd(&tv, &twosec, &tv);
if ((timo = hzto(&tv)) == 0) {
timo = 1;
}
rv = tsleep(&isp->isp_osinfo.mboxwaiting,
PRIBIO, "isp_mboxcmd", timo);
}
if (rv == EWOULDBLOCK) {
isp->isp_mboxbsy = 0;
isp->isp_osinfo.mboxwaiting = 0;
isp_prt(isp, ISP_LOGWARN, "Mailbox Cmd (intr) Timeout");
}
}
}
static inline u_int64_t
isp_port_from_node_wwn(struct ispsoftc *isp, u_int64_t node_wwn)
{
u_int64_t rv = node_wwn;
if ((node_wwn >> 60) == 2) {
rv = node_wwn |
(((u_int64_t)(isp->isp_unit+1)) << 48);
}
return (rv);
}
/*
* Common inline functions
*/
#define INLINE inline
#include <dev/ic/isp_inline.h>
#if !defined(ISP_DISABLE_FW) && !defined(ISP_COMPILE_FW)
#define ISP_COMPILE_FW 1
#endif
#endif /* _ISP_NETBSD_H */
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