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NetBSD/sys/dev/ic/isp_netbsd.h

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/* $NetBSD: isp_netbsd.h,v 1.48 2002/02/21 22:32:42 mjacob Exp $ */
/*
* This driver, which is contained in NetBSD in the files:
*
* sys/dev/ic/isp.c
* sys/dev/ic/isp_inline.h
* sys/dev/ic/isp_netbsd.c
* sys/dev/ic/isp_netbsd.h
* sys/dev/ic/isp_target.c
* sys/dev/ic/isp_target.h
* sys/dev/ic/isp_tpublic.h
* sys/dev/ic/ispmbox.h
* sys/dev/ic/ispreg.h
* sys/dev/ic/ispvar.h
* sys/microcode/isp/asm_sbus.h
* sys/microcode/isp/asm_1040.h
* sys/microcode/isp/asm_1080.h
* sys/microcode/isp/asm_12160.h
* sys/microcode/isp/asm_2100.h
* sys/microcode/isp/asm_2200.h
* sys/pci/isp_pci.c
* sys/sbus/isp_sbus.c
*
* Is being actively maintained by Matthew Jacob (mjacob@netbsd.org).
* This driver also is shared source with FreeBSD, OpenBSD, Linux, Solaris,
* Linux versions. This tends to be an interesting maintenance problem.
*
* Please coordinate with Matthew Jacob on changes you wish to make here.
*/
/*
* 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 <sys/kthread.h>
#include <machine/bus.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"
/*
* 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 scsipi_channel _chan;
struct scsipi_channel _chan_b;
struct scsipi_adapter _adapter;
bus_dma_tag_t dmatag;
bus_dmamap_t rqdmap;
bus_dmamap_t rsdmap;
bus_dmamap_t scdmap; /* FC only */
int splsaved;
int mboxwaiting;
u_int32_t islocked;
u_int32_t onintstack;
unsigned int : 26,
loop_checked : 1,
mbox_wanted : 1,
mbox_locked : 1,
no_mbox_ints : 1,
paused : 1,
blocked : 1;
union {
u_int64_t _wwn;
u_int16_t _discovered[2];
#define wwn_seed un._wwn
#define discovered un._discovered
} un;
u_int32_t threadwork;
struct proc * thread;
};
#define isp_dmatag isp_osinfo.dmatag
#define isp_rqdmap isp_osinfo.rqdmap
#define isp_rsdmap isp_osinfo.rsdmap
#define isp_scdmap isp_osinfo.scdmap
#define ISP_MUSTPOLL(isp) \
(isp->isp_osinfo.onintstack || isp->isp_osinfo.no_mbox_ints)
#define HANDLE_LOOPSTATE_IN_OUTER_LAYERS 1
/*
* Required Macros/Defines
*/
#define INLINE __inline
#define ISP2100_SCRLEN 0x400
#define MEMZERO(dst, amt) memset((dst), 0, (amt))
#define MEMCPY(dst, src, amt) memcpy((dst), (src), (amt))
#define SNPRINTF snprintf
#define STRNCAT strncat
#define USEC_DELAY DELAY
#define USEC_SLEEP(isp, x) \
if (!ISP_MUSTPOLL(isp)) \
ISP_UNLOCK(isp); \
DELAY(x); \
if (!ISP_MUSTPOLL(isp)) \
ISP_LOCK(isp)
#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
#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; \
off += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); \
bus_dmamap_sync(isp->isp_dmatag, isp->isp_rsdmap, \
off, size, BUS_DMASYNC_POSTREAD); \
break; \
} \
case SYNC_SFORDEV: \
{ \
off_t off = \
ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)) + \
ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)) + offset; \
bus_dmamap_sync(isp->isp_dmatag, isp->isp_scdmap, \
off, size, BUS_DMASYNC_PREWRITE); \
break; \
} \
case SYNC_SFORCPU: \
{ \
off_t off = \
ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)) + \
ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)) + offset; \
bus_dmamap_sync(isp->isp_dmatag, isp->isp_scdmap, \
off, size, BUS_DMASYNC_POSTREAD); \
break; \
} \
case SYNC_REG: \
default: \
break; \
}
#define MBOX_ACQUIRE(isp) \
if (isp->isp_osinfo.onintstack) { \
if (isp->isp_osinfo.mbox_locked) { \
mbp->param[0] = MBOX_HOST_INTERFACE_ERROR; \
isp_prt(isp, ISP_LOGERR, "cannot acquire MBOX lock"); \
return; \
} \
} else { \
while (isp->isp_osinfo.mbox_locked) { \
isp->isp_osinfo.mbox_wanted = 1; \
(void) tsleep(&isp->isp_osinfo.mboxwaiting+1, \
PRIBIO, "mbox_acquire", 0); \
} \
} \
isp->isp_osinfo.mbox_locked = 1
#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) \
if (isp->isp_osinfo.mbox_wanted) { \
isp->isp_osinfo.mbox_wanted = 0; \
wakeup(&isp->isp_osinfo.mboxwaiting+1); \
} \
isp->isp_osinfo.mbox_locked = 0
#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 scsipi_xfer
#define XS_CHANNEL(xs) ((int) (xs)->xs_periph->periph_channel->chan_channel)
#define XS_ISP(xs) \
((void *)(xs)->xs_periph->periph_channel->chan_adapter->adapt_dev)
#define XS_LUN(xs) ((int) (xs)->xs_periph->periph_lun)
#define XS_TGT(xs) ((int) (xs)->xs_periph->periph_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 : \
((xs)->bp && xs->bp->b_flags & B_ASYNC) ? REQFLAG_STAG : 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) \
if (xs->error == XS_NOERROR) { \
xs->error = XS_SENSE; \
} \
memcpy(&(xs)->sense, sp->req_sense_data, \
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)->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 : bswap16(s)
#define ISP_IOXPUT_32(isp, s, d) \
*(d) = (isp->isp_bustype == ISP_BT_SBUS)? s : bswap32(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) : bswap16(*((u_int16_t *)s))
#define ISP_IOXGET_32(isp, s, d) \
d = (isp->isp_bustype == ISP_BT_SBUS)? \
*((u_int32_t *)s) : bswap32(*((u_int32_t *)s))
#else
#define ISP_IOXPUT_8(isp, s, d) *(d) = s
#define ISP_IOXPUT_16(isp, s, d) *(d) = bswap16(s)
#define ISP_IOXPUT_32(isp, s, d) *(d) = bswap32(s)
#define ISP_IOXGET_8(isp, s, d) d = (*((u_int8_t *)s))
#define ISP_IOXGET_16(isp, s, d) d = bswap16(*((u_int16_t *)s))
#define ISP_IOXGET_32(isp, s, d) d = bswap32(*((u_int32_t *)s))
#endif
#define ISP_SWIZZLE_NVRAM_WORD(isp, rp) *rp = bswap16(*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>
#include <dev/ic/isp_ioctl.h>
/*
* isp_osinfo definitions, extensions and shorthand.
*/
#define isp_name isp_osinfo._dev.dv_xname
#define isp_unit isp_osinfo._dev.dv_unit
#define isp_chanA isp_osinfo._chan
#define isp_chanB isp_osinfo._chan_b
/*
* 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 char *strncat(char *, const char *, size_t);
static INLINE u_int64_t
isp_microtime_sub(struct timeval *, struct timeval *);
static void isp_wait_complete(struct ispsoftc *);
/*
* Driver wide data...
*/
/*
* Locking macros...
*/
#define ISP_LOCK isp_lock
#define ISP_UNLOCK isp_unlock
#define ISP_ILOCK(x) isp_lock(x); isp->isp_osinfo.onintstack++
#define ISP_IUNLOCK(x) isp->isp_osinfo.onintstack--; isp_unlock(x)
/*
* 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(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 char *
strncat(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(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(struct ispsoftc *isp)
{
int lim;
if (isp->isp_mbxwrk0)
lim = 60;
else
lim = 5;
if (isp->isp_osinfo.onintstack || isp->isp_osinfo.no_mbox_ints) {
int useclim = 1000000 * lim, usecs = 0;
/*
* For sanity's sake, we don't delay longer
* than 5 seconds for polled commands.
*/
while (usecs < useclim) {
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) {
struct timeval dtime;
int timo;
struct timeval tv;
dtime.tv_sec = lim;
dtime.tv_usec = 0;
microtime(&tv);
timeradd(&tv, &dtime, &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,
"Interrupting Mailbox Command (0x%x) Timeout",
isp->isp_lastmbxcmd);
}
}
}
/*
* Common inline functions
*/
#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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