/* $NetBSD: isp_netbsd.h,v 1.51 2002/10/18 23:32:53 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 */ /* * 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #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 0x800 #define MEMZERO(dst, amt) memset((dst), 0, (amt)) #define MEMCPY(dst, src, amt) memcpy((dst), (src), (amt)) #define SNPRINTF snprintf #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; \ 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; \ } #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 #include #include #include /* * 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_MUSTPOLL(isp)) { 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 #if !defined(ISP_DISABLE_FW) && !defined(ISP_COMPILE_FW) #define ISP_COMPILE_FW 1 #endif #endif /* _ISP_NETBSD_H */