/* $OpenBSD: isp_openbsd.h,v 1.17 2001/11/06 19:53:18 miod 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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #define ISP_PLATFORM_VERSION_MAJOR 2 #define ISP_PLATFORM_VERSION_MINOR 0 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; 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 #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(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 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 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 #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 #include #include /* * 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 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... */ /* * 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 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) { if (MUST_POLL(isp)) { int usecs = 0; while (usecs < 2 * 1000000) { 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) { static struct timeval fivesec = { 5, 0 }; int timo; struct timeval tv; microtime(&tv); timeradd(&tv, &fivesec, &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 #endif /* _ISP_NETBSD_H */