/* ****************************************************************************************** ** O.S : FreeBSD ** FILE NAME : arcmsr.c ** BY : Erich Chen ** Description: SCSI RAID Device Driver for ** ARECA (ARC1110/1120/1160/1210/1220/1260) SATA RAID HOST Adapter ** ARCMSR RAID Host adapter[RAID controller:INTEL 331(PCI-X) 341(PCI-EXPRESS) chip set] ****************************************************************************************** ************************************************************************ ** ** Copyright (c) 2004-2006 ARECA Co. Ltd. ** Erich Chen, Taipei Taiwan 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. ************************************************************************** ** History ** ** REV# DATE NAME DESCRIPTION ** 1.00.00.00 3/31/2004 Erich Chen First release ** 1.20.00.02 11/29/2004 Erich Chen bug fix with arcmsr_bus_reset when PHY error ****************************************************************************************** ** $FreeBSD$ */ #define ARCMSR_DEBUG0 0 /* ********************************** */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* ************************************************************************** ** Define the OS version specific locks ************************************************************************** */ #if __FreeBSD_version >= 500005 #include #include #include #include #define ARCMSR_LOCK_INIT(l, s) mtx_init(l, s,NULL, MTX_DEF|MTX_RECURSE) #define ARCMSR_LOCK_ACQUIRE(l) mtx_lock(l) #define ARCMSR_LOCK_RELEASE(l) mtx_unlock(l) typedef struct mtx arcmsr_lock_t; #else #include #include #include #define ARCMSR_LOCK_INIT(l, s) simple_lock_init(l) #define ARCMSR_LOCK_ACQUIRE(l) simple_lock(l) #define ARCMSR_LOCK_RELEASE(l) simple_unlock(l) typedef struct simplelock arcmsr_lock_t; #endif #include /* ************************************************************************** ** __FreeBSD_version 502010 ************************************************************************** */ static VOID arcmsr_interrupt(VOID *arg); static LONG arcmsr_probe(device_t dev); static LONG arcmsr_attach(device_t dev); static LONG arcmsr_detach(device_t dev); static VOID arcmsr_shutdown(device_t dev); #if 0 ULONG arcmsr_make_timespec(ULONG year,ULONG mon,ULONG day,ULONG hour,ULONG min,ULONG sec); ULONG arcmsr_getcmos_time(VOID); #endif LONG arcmsr_queue_dpc(PACB pACB,DPCFUN dpcfun,VOID *arg); LONG arcmsr_iop_ioctlcmd(PACB pACB,ULONG ioctl_cmd,caddr_t arg); BOOLEAN arcmsr_seek_cmd2abort(union ccb * pabortccb); BOOLEAN arcmsr_wait_msgint_ready(PACB pACB); PSRB arcmsr_get_freesrb(PACB pACB); VOID arcmsr_free_resource(PACB pACB); VOID arcmsr_bus_reset(PACB pACB); VOID arcmsr_stop_adapter_bgrb(PACB pACB); VOID arcmsr_start_adapter_bgrb(PACB pACB); VOID arcmsr_iop_init(PACB pACB); VOID arcmsr_do_dpcQ(PACB pACB); VOID arcmsr_flush_adapter_cache(PACB pACB); VOID arcmsr_do_thread_works(VOID *arg); VOID arcmsr_queue_wait2go_srb(PACB pACB,PSRB pSRB); VOID arcmsr_post_wait2go_srb(PACB pACB); VOID arcmsr_post_Qbuffer(PACB pACB); VOID arcmsr_abort_allcmd(PACB pACB); VOID arcmsr_srb_complete(PSRB pSRB); VOID arcmsr_iop_reset(PACB pACB); VOID arcmsr_report_SenseInfoBuffer(PSRB pSRB); VOID arcmsr_build_srb(PSRB pSRB, bus_dma_segment_t *dm_segs, LONG nseg); /* ***************************************************************************************** ** Character device switch table **struct cdevsw { ** d_open_t *d_open; ** d_close_t *d_close; ** d_read_t *d_read; ** d_write_t *d_write; ** d_ioctl_t *d_ioctl; ** d_poll_t *d_poll; ** d_mmap_t *d_mmap; ** d_strategy_t *d_strategy; ** const char *d_name; "" base device name, e.g. 'vn' ** int d_maj; ** d_dump_t *d_dump; ** d_psize_t *d_psize; ** u_int d_flags; ** int d_bmaj; ** d_kqfilter_t *d_kqfilter; "" additions below are not binary compatible with 4.2 and below **}; ****************************************************************************************** */ /* ************************************************************************** ** Insert a delay in micro-seconds and milli-seconds. ** static void MDELAY(LONG ms) { while (ms--) UDELAY(1000); } ************************************************************************** */ static VOID UDELAY(LONG us) { DELAY(us); } /* ************************************************************************** ** ************************************************************************** */ static bus_dmamap_callback_t arcmsr_map_freesrb; static bus_dmamap_callback_t arcmsr_executesrb; /* ************************************************************************** ** ************************************************************************** */ static d_open_t arcmsr_open; static d_close_t arcmsr_close; static d_ioctl_t arcmsr_ioctl; static device_method_t arcmsr_methods[]={ DEVMETHOD(device_probe, arcmsr_probe), DEVMETHOD(device_attach, arcmsr_attach), DEVMETHOD(device_detach, arcmsr_detach), DEVMETHOD(device_shutdown, arcmsr_shutdown), { 0,0 } }; static driver_t arcmsr_driver={ "arcmsr",arcmsr_methods,sizeof(struct _ACB) }; static devclass_t arcmsr_devclass; DRIVER_MODULE(arcmsr,pci,arcmsr_driver,arcmsr_devclass,0,0); #if __FreeBSD_version >= 502010 static struct cdevsw arcmsr_cdevsw={ .d_version = D_VERSION, .d_flags = D_NEEDGIANT, .d_open = arcmsr_open, /* open */ .d_close = arcmsr_close, /* close */ .d_ioctl = arcmsr_ioctl, /* ioctl */ .d_name = "arcmsr", /* name */ }; #else #define ARCMSR_CDEV_MAJOR 180 static struct cdevsw arcmsr_cdevsw = { arcmsr_open, /* open */ arcmsr_close, /* close */ noread, /* read */ nowrite, /* write */ arcmsr_ioctl, /* ioctl */ nopoll, /* poll */ nommap, /* mmap */ nostrategy, /* strategy */ "arcmsr", /* name */ ARCMSR_CDEV_MAJOR, /* major */ nodump, /* dump */ nopsize, /* psize */ 0 /* flags */ }; #endif #if __FreeBSD_version < 500005 static int arcmsr_open(dev_t dev, int flags, int fmt, struct proc *proc) #else #if __FreeBSD_version < 503000 static int arcmsr_open(dev_t dev, int flags, int fmt, struct thread *proc) #else static int arcmsr_open(struct cdev *dev, int flags, int fmt, d_thread_t *proc) #endif #endif { #if __FreeBSD_version < 503000 PACB pACB=dev->si_drv1; #else int unit = minor(dev); PACB pACB = devclass_get_softc(arcmsr_devclass, unit); #endif if(pACB==NULL) { return ENXIO; } /* Check to make sure the device isn't already open */ if (pACB->acb_flags & ACB_F_IOCTL_OPEN) { return EBUSY; } pACB->acb_flags |= ACB_F_IOCTL_OPEN; return 0; } /* ************************************************************************** ************************************************************************** */ #if __FreeBSD_version < 500005 static int arcmsr_close(dev_t dev, int flags, int fmt, struct proc *proc) #else #if __FreeBSD_version < 503000 static int arcmsr_close(dev_t dev, int flags, int fmt, struct thread *proc) #else static int arcmsr_close(struct cdev *dev, int flags, int fmt, d_thread_t *proc) #endif #endif { #if __FreeBSD_version < 503000 PACB pACB=dev->si_drv1; #else int unit = minor(dev); PACB pACB = devclass_get_softc(arcmsr_devclass, unit); #endif if(pACB==NULL) { return ENXIO; } pACB->acb_flags &= ~ACB_F_IOCTL_OPEN; return 0; } /* ************************************************************************** **ENOENT **ENOIOCTL **ENOMEM **EINVAL ************************************************************************** */ #if __FreeBSD_version < 500005 static int arcmsr_ioctl(dev_t dev, u_long ioctl_cmd, caddr_t arg, int flags, struct proc *proc) #else #if __FreeBSD_version < 503000 static int arcmsr_ioctl(dev_t dev, u_long ioctl_cmd, caddr_t arg, int flags, struct thread *proc) #else static int arcmsr_ioctl(struct cdev *dev, u_long ioctl_cmd, caddr_t arg,int flags, d_thread_t *proc) #endif #endif { #if __FreeBSD_version < 503000 PACB pACB=dev->si_drv1; #else int unit = minor(dev); PACB pACB = devclass_get_softc(arcmsr_devclass, unit); #endif if(pACB==NULL) { return ENXIO; } return(arcmsr_iop_ioctlcmd(pACB,ioctl_cmd,arg)); } /* ************************************************************************** ************************************************************************** */ LONG arcmsr_queue_dpc(PACB pACB,DPCFUN dpcfun,VOID *arg) { ULONG s; UCHAR index_pointer; #if ARCMSR_DEBUG0 printf("arcmsr_queue_dpc................. \n"); #endif s=splcam(); index_pointer=(pACB->dpcQ_tail + 1) % ARCMSR_MAX_DPC; if(index_pointer==pACB->dpcQ_head) { splx(s); printf("DPC Queue full!\n"); return -1; } pACB->dpcQ[pACB->dpcQ_tail].dpcfun=dpcfun; pACB->dpcQ[pACB->dpcQ_tail].arg=arg; pACB->dpcQ_tail=index_pointer; /* ********************************************************* ********************************************************* */ wakeup(pACB->kthread_proc); splx(s); return 0; } /* ************************************************************************** ** arcmsr_do_dpcQ ** execute dpc routine by kernel thread *************************************************************************** */ VOID arcmsr_do_dpcQ(PACB pACB) { #if ARCMSR_DEBUG0 printf("arcmsr_do_dpcQ................. \n"); #endif /* ****************************************** ****************************************** */ while (pACB->dpcQ_head!=pACB->dpcQ_tail) { ULONG s; DPC dpc; /* got a "dpc routine" */ s=splcam(); dpc=pACB->dpcQ[pACB->dpcQ_head]; pACB->dpcQ_head++; pACB->dpcQ_head %=ARCMSR_MAX_DPC; splx(s); /* execute this "dpc routine" */ dpc.dpcfun(dpc.arg); } return; } #if 0 /* ********************************************************************** ** bit 05,04,03,02,01,00: 0 - 59 ** bit 11,10,09,08,07,06: 0 - 59 ** bit 15,14,13,12: 1 - 12 ** bit 21,20,19,18,17,16: 0 - 59 ** bit 26,25,24,23,22: 1 - 31 ** bit 31,30,29,28,27: 0=2000,31=2031 ********************************************************************** */ ULONG arcmsr_make_timespec(ULONG year,ULONG mon,ULONG day,ULONG hour,ULONG min,ULONG sec) { return((year<<27)|(day<<22)|(hour<<16)|(mon<<12)|(min<<6)|(sec)); } /* ******************************************************************** ******************************************************************** */ ULONG arcmsr_getcmos_time(VOID) { ULONG year,mon,day,hour,min,sec; #if ARCMSR_DEBUG0 printf("arcmsr_getcmos_time \n"); #endif sec=bcd2bin(rtcin(RTC_SEC)); min=bcd2bin(rtcin(RTC_MIN)); hour=bcd2bin(rtcin(RTC_HRS)); day=bcd2bin(rtcin(RTC_DAY)); mon=bcd2bin(rtcin(RTC_MONTH)); year=bcd2bin(rtcin(RTC_YEAR)); if((year +=1900) < 1970) year +=100; return arcmsr_make_timespec(year,mon,day,hour,min,sec); } #endif /* ********************************************************************************* ** Asynchronous notification handler. ********************************************************************************* */ static VOID arcmsr_async(VOID *cb_arg, ULONG code, struct cam_path *path, VOID *arg) { PACB pACB; UCHAR target_id,target_lun; struct cam_sim *sim; ULONG s; #if ARCMSR_DEBUG0 printf("arcmsr_async.......................................... \n"); #endif s=splcam(); sim=(struct cam_sim *) cb_arg; pACB =(PACB) cam_sim_softc(sim); switch (code) { case AC_LOST_DEVICE: target_id=xpt_path_target_id(path); target_lun=xpt_path_lun_id(path); if((target_id > ARCMSR_MAX_TARGETID) || (target_lun > ARCMSR_MAX_TARGETLUN)) { break; } printf("%s:scsi id%d lun%d device lost \n",device_get_name(pACB->pci_dev),target_id,target_lun); break; default: break; } splx(s); } /* ************************************************************************** * arcmsr_do_thread_works * execute programs schedule by kernel thread * execute programs schedule by kernel thread * :do background rebuilding * * tsleep(void *ident,int priority,const char *wmesg,int timo) * tsleep() * General sleep call. Suspends the current process until a wakeup is * performed on the specified identifier. The process will then be made * runnable with the specified priority. Sleeps at most timo/hz seconds * (0 means no timeout). If pri includes PCATCH flag, signals are checked * before and after sleeping, else signals are not checked. Returns 0 if * awakened, EWOULDBLOCK if the timeout expires. If PCATCH is set and a * signal needs to be delivered, ERESTART is returned if the current system * call should be restarted if possible, and EINTR is returned if the system * call should be interrupted by the signal (return EINTR). * * await(int priority, int timo) * await() - wait for async condition to occur. The process blocks until * wakeup() is called on the most recent asleep() address. If wakeup is called * priority to await(), await() winds up being a NOP. * * If await() is called more then once (without an intervening asleep() call), * await() is still effectively a NOP but it calls mi_switch() to give other * processes some cpu before returning. The process is left runnable. * * <<<<<<<< EXPERIMENTAL, UNTESTED >>>>>>>>>> * asleep(void *ident, int priority, const char *wmesg, int timo) * asleep() - async sleep call. Place process on wait queue and return * immediately without blocking. The process stays runnable until await() * is called. If ident is NULL, remove process from wait queue if it is still * on one. * * Only the most recent sleep condition is effective when making successive * calls to asleep() or when calling tsleep(). * * The timeout, if any, is not initiated until await() is called. The sleep * priority, signal, and timeout is specified in the asleep() call but may be * overriden in the await() call. * * <<<<<<<< EXPERIMENTAL, UNTESTED >>>>>>>>>> * :do background rebuilding *************************************************************************** */ VOID arcmsr_do_thread_works(VOID *arg) { PACB pACB=(PACB) arg; ARCMSR_LOCK_INIT(&pACB->arcmsr_kthread_lock, "arcmsr kthread lock"); #if ARCMSR_DEBUG0 printf("arcmsr_do_thread_works................. \n"); #endif ARCMSR_LOCK_ACQUIRE(&pACB->arcmsr_kthread_lock); while(1) { tsleep((caddr_t)pACB->kthread_proc, PRIBIO | PWAIT, "arcmsr", hz/4);/*.25 sec*/ /* ** if do_dpcQ_semaphore is signal ** do following works */ arcmsr_do_dpcQ(pACB); /*see if there were some dpc routine need to execute*/ if(pACB->acb_flags & ACB_F_STOP_THREAD) { ARCMSR_LOCK_RELEASE(&pACB->arcmsr_kthread_lock); break; } } kthread_exit(0); return; } /* ************************************************************************ ** ** ************************************************************************ */ VOID arcmsr_flush_adapter_cache(PACB pACB) { #if ARCMSR_DEBUG0 printf("arcmsr_flush_adapter_cache..............\n"); #endif CHIP_REG_WRITE32(&pACB->pmu->inbound_msgaddr0,ARCMSR_INBOUND_MESG0_FLUSH_CACHE); return; } /* ********************************************************************** ** ** ** ********************************************************************** */ BOOLEAN arcmsr_wait_msgint_ready(PACB pACB) { ULONG Index; UCHAR Retries=0x00; do { for(Index=0; Index < 500000; Index++) { if(CHIP_REG_READ32(&pACB->pmu->outbound_intstatus) & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { CHIP_REG_WRITE32(&pACB->pmu->outbound_intstatus, ARCMSR_MU_OUTBOUND_MESSAGE0_INT);/*clear interrupt*/ return TRUE; } /* one us delay */ UDELAY(10); }/*max 5 seconds*/ }while(Retries++ < 24);/*max 2 minutes*/ return FALSE; } /* ********************************************************************** ** ** Q back this SRB into ACB ArraySRB ** ********************************************************************** */ VOID arcmsr_srb_complete(PSRB pSRB) { ULONG s; PACB pACB=pSRB->pACB; union ccb *pccb=pSRB->pccb; #if ARCMSR_DEBUG0 printf("arcmsr_srb_complete: pSRB=%p srb_doneindex=%x srb_startindex=%x\n",pSRB,pACB->srb_doneindex,pACB->srb_startindex); #endif if ((pccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { bus_dmasync_op_t op; if ((pccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { op = BUS_DMASYNC_POSTREAD; } else { op = BUS_DMASYNC_POSTWRITE; } bus_dmamap_sync(pACB->buffer_dmat, pSRB->dmamap, op); bus_dmamap_unload(pACB->buffer_dmat, pSRB->dmamap); } s=splcam(); atomic_subtract_int(&pACB->srboutstandingcount,1); pSRB->startdone=ARCMSR_SRB_DONE; pSRB->srb_flags=0; pACB->psrbringQ[pACB->srb_doneindex]=pSRB; pACB->srb_doneindex++; pACB->srb_doneindex %= ARCMSR_MAX_FREESRB_NUM; splx(s); xpt_done(pccb); return; } /* ********************************************************************** ** if scsi error do auto request sense ********************************************************************** */ VOID arcmsr_report_SenseInfoBuffer(PSRB pSRB) { union ccb *pccb=pSRB->pccb; PSENSE_DATA psenseBuffer=(PSENSE_DATA)&pccb->csio.sense_data; #if ARCMSR_DEBUG0 printf("arcmsr_report_SenseInfoBuffer...........\n"); #endif pccb->ccb_h.status|=CAM_REQ_CMP; if(psenseBuffer) { memset(psenseBuffer, 0, sizeof(pccb->csio.sense_data)); memcpy(psenseBuffer,pSRB->arcmsr_cdb.SenseData,get_min(sizeof(struct _SENSE_DATA),sizeof(pccb->csio.sense_data))); psenseBuffer->ErrorCode=0x70; psenseBuffer->Valid=1; pccb->ccb_h.status|=CAM_AUTOSNS_VALID; } return; } /* ********************************************************************* ** to insert pSRB into tail of pACB wait exec srbQ ********************************************************************* */ VOID arcmsr_queue_wait2go_srb(PACB pACB,PSRB pSRB) { ULONG s; LONG i=0; #if ARCMSR_DEBUG0 printf("arcmsr_qtail_wait2go_srb:......................................... \n"); #endif s=splcam(); while(1) { if(pACB->psrbwait2go[i]==NULL) { pACB->psrbwait2go[i]=pSRB; atomic_add_int(&pACB->srbwait2gocount,1); splx(s); return; } i++; i%=ARCMSR_MAX_OUTSTANDING_CMD; } return; } /* ********************************************************************* ** ********************************************************************* */ VOID arcmsr_abort_allcmd(PACB pACB) { CHIP_REG_WRITE32(&pACB->pmu->inbound_msgaddr0,ARCMSR_INBOUND_MESG0_ABORT_CMD); return; } /* **************************************************************************** ** Routine Description: Reset 80331 iop. ** Arguments: ** Return Value: Nothing. **************************************************************************** */ VOID arcmsr_iop_reset(PACB pACB) { PSRB pSRB,pfreesrb; ULONG intmask_org,mask; LONG i=0; #if ARCMSR_DEBUG0 printf("arcmsr_iop_reset: reset iop controller......................................\n"); #endif if(pACB->srboutstandingcount!=0) { /* Q back all outstanding srb into wait exec psrb Q*/ #if ARCMSR_DEBUG0 printf("arcmsr_iop_reset: srboutstandingcount=%d ...\n",pACB->srboutstandingcount); #endif /* disable all outbound interrupt */ intmask_org=CHIP_REG_READ32(&pACB->pmu->outbound_intmask); CHIP_REG_WRITE32(&pACB->pmu->outbound_intmask,intmask_org|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE); /* talk to iop 331 outstanding command aborted*/ arcmsr_abort_allcmd(pACB); if(arcmsr_wait_msgint_ready(pACB)!=TRUE) { printf("arcmsr_iop_reset: wait 'abort all outstanding command' timeout.................in \n"); } /*clear all outbound posted Q*/ for(i=0;ipmu->outbound_queueport); } pfreesrb=pACB->pfreesrb; for(i=0;istartdone==ARCMSR_SRB_START) { pSRB->startdone=ARCMSR_SRB_ABORTED; pSRB->pccb->ccb_h.status=CAM_REQ_ABORTED; arcmsr_srb_complete(pSRB); } } /* enable all outbound interrupt */ mask=~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE|ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); CHIP_REG_WRITE32(&pACB->pmu->outbound_intmask,intmask_org & mask); atomic_set_int(&pACB->srboutstandingcount,0); /* post abort all outstanding command message to RAID controller */ } i=0; while(pACB->srbwait2gocount > 0) { pSRB=pACB->psrbwait2go[i]; if(pSRB!=NULL) { #if ARCMSR_DEBUG0 printf("arcmsr_iop_reset:abort command... srbwait2gocount=%d ...\n",pACB->srbwait2gocount); #endif pACB->psrbwait2go[i]=NULL; pSRB->startdone=ARCMSR_SRB_ABORTED; pSRB->pccb->ccb_h.status=CAM_REQ_ABORTED; arcmsr_srb_complete(pSRB); atomic_subtract_int(&pACB->srbwait2gocount,1); } i++; i%=ARCMSR_MAX_OUTSTANDING_CMD; } return; } /* ********************************************************************** ** ** PAGE_SIZE=4096 or 8192,PAGE_SHIFT=12 ********************************************************************** */ VOID arcmsr_build_srb(PSRB pSRB, bus_dma_segment_t *dm_segs, LONG nseg) { PARCMSR_CDB pARCMSR_CDB=&pSRB->arcmsr_cdb; PCHAR psge=(PCHAR)&pARCMSR_CDB->u; ULONG address_lo,address_hi; union ccb *pccb=pSRB->pccb; struct ccb_scsiio *pcsio=&pccb->csio; LONG arccdbsize=0x30; #if ARCMSR_DEBUG0 printf("arcmsr_build_srb........................... \n"); #endif memset(pARCMSR_CDB,0,sizeof(struct _ARCMSR_CDB)); pARCMSR_CDB->Bus=0; pARCMSR_CDB->TargetID=pccb->ccb_h.target_id; pARCMSR_CDB->LUN=pccb->ccb_h.target_lun; pARCMSR_CDB->Function=1; pARCMSR_CDB->CdbLength=(UCHAR)pcsio->cdb_len; pARCMSR_CDB->Context=(CPT2INT)pARCMSR_CDB; bcopy(pcsio->cdb_io.cdb_bytes, pARCMSR_CDB->Cdb, pcsio->cdb_len); if(nseg != 0) { PACB pACB=pSRB->pACB; bus_dmasync_op_t op; LONG length,i,cdb_sgcount=0; /* map stor port SG list to our iop SG List.*/ for(i=0;iaddress=address_lo; pdma_sg->length=length; psge += sizeof(SG32ENTRY); arccdbsize += sizeof(SG32ENTRY); } else { LONG sg64s_size=0,tmplength=length; #if ARCMSR_DEBUG0 printf("arcmsr_build_srb: !!!!!!!!!!!......address_hi=%x.... \n",address_hi); #endif while(1) { LONG64 span4G,length0; PSG64ENTRY pdma_sg=(PSG64ENTRY)psge; span4G=(LONG64)address_lo + tmplength; pdma_sg->addresshigh=address_hi; pdma_sg->address=address_lo; if(span4G > 0x100000000) { /*see if cross 4G boundary*/ length0=0x100000000-address_lo; pdma_sg->length=(ULONG)length0|IS_SG64_ADDR; address_hi=address_hi+1; address_lo=0; tmplength=tmplength-(LONG)length0; sg64s_size += sizeof(SG64ENTRY); psge += sizeof(SG64ENTRY); cdb_sgcount++; } else { pdma_sg->length=tmplength|IS_SG64_ADDR; sg64s_size += sizeof(SG64ENTRY); psge += sizeof(SG64ENTRY); break; } } arccdbsize += sg64s_size; } cdb_sgcount++; } pARCMSR_CDB->sgcount=(UCHAR)cdb_sgcount; pARCMSR_CDB->DataLength=pcsio->dxfer_len; if( arccdbsize > 256) { pARCMSR_CDB->Flags|=ARCMSR_CDB_FLAG_SGL_BSIZE; } if((pccb->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { op=BUS_DMASYNC_PREREAD; } else { op=BUS_DMASYNC_PREWRITE; pARCMSR_CDB->Flags|=ARCMSR_CDB_FLAG_WRITE; pSRB->srb_flags|=SRB_FLAG_WRITE; } bus_dmamap_sync(pACB->buffer_dmat, pSRB->dmamap, op); } #if ARCMSR_DEBUG0 printf("arcmsr_build_srb: pSRB=%p cmd=%x xferlength=%d arccdbsize=%d sgcount=%d\n",pSRB,pcsio->cdb_io.cdb_bytes[0],pARCMSR_CDB->DataLength,arccdbsize,pARCMSR_CDB->sgcount); #endif return; } /* ************************************************************************** ** ** arcmsr_post_srb - Send a protocol specific ARC send postcard to a AIOC . ** handle: Handle of registered ARC protocol driver ** adapter_id: AIOC unique identifier(integer) ** pPOSTCARD_SEND: Pointer to ARC send postcard ** ** This routine posts a ARC send postcard to the request post FIFO of a ** specific ARC adapter. ** ************************************************************************** */ static VOID arcmsr_post_srb(PACB pACB,PSRB pSRB) { ULONG cdb_shifted_phyaddr=(ULONG) pSRB->cdb_shifted_phyaddr; PARCMSR_CDB pARCMSR_CDB=(PARCMSR_CDB)&pSRB->arcmsr_cdb; #if ARCMSR_DEBUG0 printf("arcmsr_post_srb: pSRB=%p cdb_shifted_phyaddr=%x\n",pSRB,cdb_shifted_phyaddr); #endif atomic_add_int(&pACB->srboutstandingcount,1); pSRB->startdone=ARCMSR_SRB_START; if(pARCMSR_CDB->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) { CHIP_REG_WRITE32(&pACB->pmu->inbound_queueport,cdb_shifted_phyaddr|ARCMSR_SRBPOST_FLAG_SGL_BSIZE); } else { CHIP_REG_WRITE32(&pACB->pmu->inbound_queueport,cdb_shifted_phyaddr); } return; } /* ************************************************************************** ** ** ************************************************************************** */ VOID arcmsr_post_wait2go_srb(PACB pACB) { ULONG s; PSRB pSRB; LONG i=0; #if ARCMSR_DEBUG0 printf("arcmsr_post_wait2go_srb:srbwait2gocount=%d srboutstandingcount=%d\n",pACB->srbwait2gocount,pACB->srboutstandingcount); #endif s=splcam(); while((pACB->srbwait2gocount > 0) && (pACB->srboutstandingcount < ARCMSR_MAX_OUTSTANDING_CMD)) { pSRB=pACB->psrbwait2go[i]; if(pSRB!=NULL) { pACB->psrbwait2go[i]=NULL; arcmsr_post_srb(pACB,pSRB); atomic_subtract_int(&pACB->srbwait2gocount,1); } i++; i%=ARCMSR_MAX_OUTSTANDING_CMD; } splx(s); return; } /* ********************************************************************** ** Function: arcmsr_post_Qbuffer ** Output: ********************************************************************** */ VOID arcmsr_post_Qbuffer(PACB pACB) { ULONG s; PUCHAR pQbuffer; PQBUFFER pwbuffer=(PQBUFFER)&pACB->pmu->ioctl_wbuffer; PUCHAR iop_data=(PUCHAR)pwbuffer->data; LONG allxfer_len=0; s=splcam(); while((pACB->wqbuf_firstindex!=pACB->wqbuf_lastindex) && (allxfer_len<124)) { pQbuffer=&pACB->wqbuffer[pACB->wqbuf_firstindex]; memcpy(iop_data,pQbuffer,1); pACB->wqbuf_firstindex++; pACB->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; /*if last index number set it to 0 */ iop_data++; allxfer_len++; } pwbuffer->data_len=allxfer_len; /* ** push inbound doorbell and wait reply at hwinterrupt routine for next Qbuffer post */ CHIP_REG_WRITE32(&pACB->pmu->inbound_doorbell,ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK); splx(s); return; } /* ************************************************************************ ** ** ************************************************************************ */ VOID arcmsr_stop_adapter_bgrb(PACB pACB) { #if ARCMSR_DEBUG0 printf("arcmsr_stop_adapter_bgrb..............\n"); #endif pACB->acb_flags |= ACB_F_MSG_STOP_BGRB; pACB->acb_flags &= ~ACB_F_MSG_START_BGRB; CHIP_REG_WRITE32(&pACB->pmu->inbound_msgaddr0,ARCMSR_INBOUND_MESG0_STOP_BGRB); return; } /* ************************************************************************ ** ** ************************************************************************ */ static VOID arcmsr_poll(struct cam_sim * psim) { arcmsr_interrupt(cam_sim_softc(psim)); return; } /* ********************************************************************** ** Function: arcmsr_interrupt ** Output: VOID ** CAM Status field values **typedef enum { ** CAM_REQ_INPROG, CCB request is in progress ** CAM_REQ_CMP, CCB request completed without error ** CAM_REQ_ABORTED, CCB request aborted by the host ** CAM_UA_ABORT, Unable to abort CCB request ** CAM_REQ_CMP_ERR, CCB request completed with an error ** CAM_BUSY, CAM subsytem is busy ** CAM_REQ_INVALID, CCB request was invalid ** CAM_PATH_INVALID, Supplied Path ID is invalid ** CAM_DEV_NOT_THERE, SCSI Device Not Installed/there ** CAM_UA_TERMIO, Unable to terminate I/O CCB request ** CAM_SEL_TIMEOUT, Target Selection Timeout ** CAM_CMD_TIMEOUT, Command timeout ** CAM_SCSI_STATUS_ERROR, SCSI error, look at error code in CCB ** CAM_MSG_REJECT_REC, Message Reject Received ** CAM_SCSI_BUS_RESET, SCSI Bus Reset Sent/Received ** CAM_UNCOR_PARITY, Uncorrectable parity error occurred ** CAM_AUTOSENSE_FAIL=0x10, Autosense: request sense cmd fail ** CAM_NO_HBA, No HBA Detected error ** CAM_DATA_RUN_ERR, Data Overrun error ** CAM_UNEXP_BUSFREE, Unexpected Bus Free ** CAM_SEQUENCE_FAIL, Target Bus Phase Sequence Failure ** CAM_CCB_LEN_ERR, CCB length supplied is inadequate ** CAM_PROVIDE_FAIL, Unable to provide requested capability ** CAM_BDR_SENT, A SCSI BDR msg was sent to target ** CAM_REQ_TERMIO, CCB request terminated by the host ** CAM_UNREC_HBA_ERROR, Unrecoverable Host Bus Adapter Error ** CAM_REQ_TOO_BIG, The request was too large for this host ** CAM_REQUEUE_REQ, ** * This request should be requeued to preserve ** * transaction ordering. This typically occurs ** * when the SIM recognizes an error that should ** * freeze the queue and must place additional ** * requests for the target at the sim level ** * back into the XPT queue. ** ** CAM_IDE=0x33, Initiator Detected Error ** CAM_RESRC_UNAVAIL, Resource Unavailable ** CAM_UNACKED_EVENT, Unacknowledged Event by Host ** CAM_MESSAGE_RECV, Message Received in Host Target Mode ** CAM_INVALID_CDB, Invalid CDB received in Host Target Mode ** CAM_LUN_INVALID, Lun supplied is invalid ** CAM_TID_INVALID, Target ID supplied is invalid ** CAM_FUNC_NOTAVAIL, The requested function is not available ** CAM_NO_NEXUS, Nexus is not established ** CAM_IID_INVALID, The initiator ID is invalid ** CAM_CDB_RECVD, The SCSI CDB has been received ** CAM_LUN_ALRDY_ENA, The LUN is already eanbeld for target mode ** CAM_SCSI_BUSY, SCSI Bus Busy ** ** CAM_DEV_QFRZN=0x40, The DEV queue is frozen w/this err ** ** Autosense data valid for target ** CAM_AUTOSNS_VALID=0x80, ** CAM_RELEASE_SIMQ=0x100, SIM ready to take more commands ** CAM_SIM_QUEUED =0x200, SIM has this command in it's queue ** ** CAM_STATUS_MASK=0x3F, Mask bits for just the status # ** ** Target Specific Adjunct Status ** CAM_SENT_SENSE=0x40000000 sent sense with status **} cam_status; ********************************************************************** */ static VOID arcmsr_interrupt(VOID *arg) { PACB pACB=(PACB)arg; PSRB pSRB; ULONG flagpsrb,outbound_intstatus,outbound_doorbell; #if ARCMSR_DEBUG0 printf("arcmsr_interrupt..............\n"); #endif /* ********************************************* ** check outbound intstatus 檢察有無郵差按門鈴 ********************************************* */ outbound_intstatus=CHIP_REG_READ32(&pACB->pmu->outbound_intstatus) & pACB->outbound_int_enable; CHIP_REG_WRITE32(&pACB->pmu->outbound_intstatus, outbound_intstatus);/*clear interrupt*/ if(outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) { #if ARCMSR_DEBUG0 printf("arcmsr_interrupt:..........ARCMSR_MU_OUTBOUND_DOORBELL_INT\n"); #endif /* ********************************************* ** DOORBELL 叮噹! 是否有郵件要簽收 ********************************************* */ outbound_doorbell=CHIP_REG_READ32(&pACB->pmu->outbound_doorbell); CHIP_REG_WRITE32(&pACB->pmu->outbound_doorbell,outbound_doorbell);/*clear interrupt */ if(outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) { PQBUFFER prbuffer=(PQBUFFER)&pACB->pmu->ioctl_rbuffer; PUCHAR iop_data=(PUCHAR)prbuffer->data; PUCHAR pQbuffer; LONG my_empty_len,iop_len,rqbuf_firstindex,rqbuf_lastindex; ULONG s; /*check this iop data if overflow my rqbuffer*/ s=splcam(); rqbuf_lastindex=pACB->rqbuf_lastindex; rqbuf_firstindex=pACB->rqbuf_firstindex; iop_len=prbuffer->data_len; my_empty_len=(rqbuf_firstindex-rqbuf_lastindex-1)&(ARCMSR_MAX_QBUFFER-1); if(my_empty_len>=iop_len) { while(iop_len > 0) { pQbuffer=&pACB->rqbuffer[pACB->rqbuf_lastindex]; memcpy(pQbuffer,iop_data,1); pACB->rqbuf_lastindex++; pACB->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;/*if last index number set it to 0 */ iop_data++; iop_len--; } CHIP_REG_WRITE32(&pACB->pmu->inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);/*signature, let IOP331 know data has been readed */ } else { pACB->acb_flags|=ACB_F_IOPDATA_OVERFLOW; } splx(s); } if(outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) { ULONG s; /* ********************************************* ** 看看是否還有郵件要順道寄出 ********************************************* */ s=splcam(); if(pACB->wqbuf_firstindex!=pACB->wqbuf_lastindex) { PUCHAR pQbuffer; PQBUFFER pwbuffer=(PQBUFFER)&pACB->pmu->ioctl_wbuffer; PUCHAR iop_data=(PUCHAR)pwbuffer->data; LONG allxfer_len=0; while((pACB->wqbuf_firstindex!=pACB->wqbuf_lastindex) && (allxfer_len<124)) { pQbuffer=&pACB->wqbuffer[pACB->wqbuf_firstindex]; memcpy(iop_data,pQbuffer,1); pACB->wqbuf_firstindex++; pACB->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; /*if last index number set it to 0 */ iop_data++; allxfer_len++; } pwbuffer->data_len=allxfer_len; /* ** push inbound doorbell tell iop driver data write ok and wait reply on next hwinterrupt for next Qbuffer post */ CHIP_REG_WRITE32(&pACB->pmu->inbound_doorbell,ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK); } else { pACB->acb_flags |= ACB_F_IOCTL_WQBUFFER_CLEARED; } splx(s); } } if(outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) { /* ***************************************************************************** ** areca cdb command done ***************************************************************************** */ while(1) { if((flagpsrb=CHIP_REG_READ32(&pACB->pmu->outbound_queueport)) == 0xFFFFFFFF) { break;/*chip FIFO no srb for completion already*/ } /* check if command done with no error*/ pSRB=(PSRB)(CINT2P)(pACB->vir2phy_offset+(flagpsrb << 5));/*frame must be 32 bytes aligned*/ if((pSRB->pACB!=pACB) || (pSRB->startdone!=ARCMSR_SRB_START)) { if(pSRB->startdone==ARCMSR_SRB_ABORTED) { pSRB->pccb->ccb_h.status=CAM_REQ_ABORTED; arcmsr_srb_complete(pSRB); break; } printf("arcmsr_interrupt:got an illegal srb command done ...pACB=%p pSRB=%p srboutstandingcount=%d .....\n",pACB,pSRB,pACB->srboutstandingcount); break; } if((flagpsrb & ARCMSR_SRBREPLY_FLAG_ERROR)==0) { pSRB->pccb->ccb_h.status=CAM_REQ_CMP; arcmsr_srb_complete(pSRB); } else { switch(pSRB->arcmsr_cdb.DeviceStatus) { case ARCMSR_DEV_SELECT_TIMEOUT: { #if ARCMSR_DEBUG0 printf("pSRB=%p ......ARCMSR_DEV_SELECT_TIMEOUT\n",pSRB); #endif pSRB->pccb->ccb_h.status=CAM_SEL_TIMEOUT; arcmsr_srb_complete(pSRB); } break; case ARCMSR_DEV_ABORTED: { #if ARCMSR_DEBUG0 printf("pSRB=%p ......ARCMSR_DEV_ABORTED\n",pSRB); #endif pSRB->pccb->ccb_h.status=CAM_DEV_NOT_THERE; arcmsr_srb_complete(pSRB); } break; case ARCMSR_DEV_INIT_FAIL: { #if ARCMSR_DEBUG0 printf("pSRB=%p .....ARCMSR_DEV_INIT_FAIL\n",pSRB); #endif pSRB->pccb->ccb_h.status=CAM_DEV_NOT_THERE; arcmsr_srb_complete(pSRB); } break; case SCSISTAT_CHECK_CONDITION: { #if ARCMSR_DEBUG0 printf("pSRB=%p .....SCSISTAT_CHECK_CONDITION\n",pSRB); #endif arcmsr_report_SenseInfoBuffer(pSRB); arcmsr_srb_complete(pSRB); } break; default: /* error occur Q all error srb to errorsrbpending Q*/ printf("arcmsr_interrupt:command error done ......but got unknow DeviceStatus=%x....\n",pSRB->arcmsr_cdb.DeviceStatus); pSRB->pccb->ccb_h.status=CAM_UNCOR_PARITY;/*unknow error or crc error just for retry*/ arcmsr_srb_complete(pSRB); break; } } } /*drain reply FIFO*/ } if(pACB->srbwait2gocount != 0) { arcmsr_post_wait2go_srb(pACB);/*try to post all pending srb*/ } return; } /* *********************************************************************** ** **int copyin __P((const void *udaddr, void *kaddr, size_t len)); **int copyout __P((const void *kaddr, void *udaddr, size_t len)); ** **ENOENT "" No such file or directory "" **ENOIOCTL "" ioctl not handled by this layer "" **ENOMEM "" Cannot allocate memory "" **EINVAL "" Invalid argument "" ************************************************************************ */ LONG arcmsr_iop_ioctlcmd(PACB pACB,ULONG ioctl_cmd,caddr_t arg) { PCMD_IO_CONTROL pccbioctl=(PCMD_IO_CONTROL) arg; #if ARCMSR_DEBUG0 printf("arcmsr_iop_ioctlcmd................. \n"); #endif if(memcmp(pccbioctl->Signature,"ARCMSR",6)!=0) { return EINVAL; } switch(ioctl_cmd) { case ARCMSR_IOCTL_READ_RQBUFFER: { ULONG s; PCMD_IOCTL_FIELD pccbioctlfld=(PCMD_IOCTL_FIELD)arg; PUCHAR pQbuffer,ptmpQbuffer=pccbioctlfld->ioctldatabuffer; LONG allxfer_len=0; s=splcam(); while((pACB->rqbuf_firstindex!=pACB->rqbuf_lastindex) && (allxfer_len<1031)) { /*copy READ QBUFFER to srb*/ pQbuffer=&pACB->rqbuffer[pACB->rqbuf_firstindex]; memcpy(ptmpQbuffer,pQbuffer,1); pACB->rqbuf_firstindex++; pACB->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER; /*if last index number set it to 0 */ ptmpQbuffer++; allxfer_len++; } if(pACB->acb_flags & ACB_F_IOPDATA_OVERFLOW) { PQBUFFER prbuffer=(PQBUFFER)&pACB->pmu->ioctl_rbuffer; PUCHAR pQbuffer; PUCHAR iop_data=(PUCHAR)prbuffer->data; LONG iop_len; pACB->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; iop_len=(LONG)prbuffer->data_len; /*this iop data does no chance to make me overflow again here, so just do it*/ while(iop_len>0) { pQbuffer=&pACB->rqbuffer[pACB->rqbuf_lastindex]; memcpy(pQbuffer,iop_data,1); pACB->rqbuf_lastindex++; pACB->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER;/*if last index number set it to 0 */ iop_data++; iop_len--; } CHIP_REG_WRITE32(&pACB->pmu->inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);/*signature, let IOP331 know data has been readed */ } pccbioctl->Length=allxfer_len; pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_OK; splx(s); return ARC_IOCTL_SUCCESS; } break; case ARCMSR_IOCTL_WRITE_WQBUFFER: { ULONG s; PCMD_IOCTL_FIELD pccbioctlfld=(PCMD_IOCTL_FIELD)arg; LONG my_empty_len,user_len,wqbuf_firstindex,wqbuf_lastindex; PUCHAR pQbuffer,ptmpuserbuffer=pccbioctlfld->ioctldatabuffer; s=splcam(); user_len=pccbioctl->Length; /*check if data xfer length of this request will overflow my array qbuffer */ wqbuf_lastindex=pACB->wqbuf_lastindex; wqbuf_firstindex=pACB->wqbuf_firstindex; my_empty_len=(wqbuf_firstindex-wqbuf_lastindex-1)&(ARCMSR_MAX_QBUFFER-1); if(my_empty_len>=user_len) { while(user_len>0) { /*copy srb data to wqbuffer*/ pQbuffer=&pACB->wqbuffer[pACB->wqbuf_lastindex]; memcpy(pQbuffer,ptmpuserbuffer,1); pACB->wqbuf_lastindex++; pACB->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER;/*if last index number set it to 0 */ ptmpuserbuffer++; user_len--; } /*post fist Qbuffer*/ if(pACB->acb_flags & ACB_F_IOCTL_WQBUFFER_CLEARED) { pACB->acb_flags &=~ACB_F_IOCTL_WQBUFFER_CLEARED; arcmsr_post_Qbuffer(pACB); } pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_OK; } else { pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_ERROR; } splx(s); return ARC_IOCTL_SUCCESS; } break; case ARCMSR_IOCTL_CLEAR_RQBUFFER: { ULONG s; PUCHAR pQbuffer=pACB->rqbuffer; s=splcam(); if(pACB->acb_flags & ACB_F_IOPDATA_OVERFLOW) { pACB->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; CHIP_REG_WRITE32(&pACB->pmu->inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);/*signature, let IOP331 know data has been readed */ } pACB->acb_flags |= ACB_F_IOCTL_RQBUFFER_CLEARED; pACB->rqbuf_firstindex=0; pACB->rqbuf_lastindex=0; memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_OK; splx(s); return ARC_IOCTL_SUCCESS; } break; case ARCMSR_IOCTL_CLEAR_WQBUFFER: { ULONG s; PUCHAR pQbuffer=pACB->wqbuffer; s=splcam(); if(pACB->acb_flags & ACB_F_IOPDATA_OVERFLOW) { pACB->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; CHIP_REG_WRITE32(&pACB->pmu->inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);/*signature, let IOP331 know data has been readed */ } pACB->acb_flags |= ACB_F_IOCTL_WQBUFFER_CLEARED; pACB->wqbuf_firstindex=0; pACB->wqbuf_lastindex=0; memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_OK; splx(s); return ARC_IOCTL_SUCCESS; } break; case ARCMSR_IOCTL_CLEAR_ALLQBUFFER: { ULONG s; PUCHAR pQbuffer; s=splcam(); if(pACB->acb_flags & ACB_F_IOPDATA_OVERFLOW) { pACB->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; CHIP_REG_WRITE32(&pACB->pmu->inbound_doorbell, ARCMSR_INBOUND_DRIVER_DATA_READ_OK);/*signature, let IOP331 know data has been readed */ } pACB->acb_flags |= (ACB_F_IOCTL_WQBUFFER_CLEARED|ACB_F_IOCTL_RQBUFFER_CLEARED); pACB->rqbuf_firstindex=0; pACB->rqbuf_lastindex=0; pACB->wqbuf_firstindex=0; pACB->wqbuf_lastindex=0; pQbuffer=pACB->rqbuffer; memset(pQbuffer, 0, sizeof(struct _QBUFFER)); pQbuffer=pACB->wqbuffer; memset(pQbuffer, 0, sizeof(struct _QBUFFER)); pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_OK; splx(s); return ARC_IOCTL_SUCCESS; } break; case ARCMSR_IOCTL_RETURN_CODE_3F: { pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_3F; return ARC_IOCTL_SUCCESS; } break; case ARCMSR_IOCTL_SAY_HELLO: { PCMD_IOCTL_FIELD pccbioctlfld=(PCMD_IOCTL_FIELD)arg; PCHAR hello_string="Hello! I am ARCMSR"; PCHAR puserbuffer=(PUCHAR)pccbioctlfld->ioctldatabuffer; if(memcpy(puserbuffer,hello_string,(SHORT)strlen(hello_string))) { pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_ERROR; return ENOIOCTL; } pccbioctl->ReturnCode=ARCMSR_IOCTL_RETURNCODE_OK; return ARC_IOCTL_SUCCESS; } break; } return EINVAL; } /* ************************************************************************** ** ************************************************************************** */ PSRB arcmsr_get_freesrb(PACB pACB) { PSRB pSRB=NULL; ULONG s; LONG srb_startindex,srb_doneindex; #if ARCMSR_DEBUG0 printf("arcmsr_get_freesrb: srb_startindex=%d srb_doneindex=%d\n",pACB->srb_startindex,pACB->srb_doneindex); #endif s=splcam(); srb_doneindex=pACB->srb_doneindex; srb_startindex=pACB->srb_startindex; pSRB=pACB->psrbringQ[srb_startindex]; srb_startindex++; srb_startindex %= ARCMSR_MAX_FREESRB_NUM; if(srb_doneindex!=srb_startindex) { pACB->srb_startindex=srb_startindex; } else { pSRB=NULL; } splx(s); return(pSRB); } /* ********************************************************************* ** ** ** ********************************************************************* */ static VOID arcmsr_executesrb(VOID *arg,bus_dma_segment_t *dm_segs,LONG nseg,LONG error) { PSRB pSRB=(PSRB)arg; PACB pACB; union ccb *pccb; #if ARCMSR_DEBUG0 printf("arcmsr_executesrb........................................ \n" ); #endif pccb=pSRB->pccb; pACB=(PACB)pSRB->pACB; if(error != 0) { if(error != EFBIG) { printf("arcmsr_executesrb:%d Unexepected error %x returned from " "bus_dmamap_load\n",pACB->pci_unit,error); } if(pccb->ccb_h.status == CAM_REQ_INPROG) { xpt_freeze_devq(pccb->ccb_h.path,/*count*/1); pccb->ccb_h.status=CAM_REQ_TOO_BIG|CAM_DEV_QFRZN; } xpt_done(pccb); return; } arcmsr_build_srb(pSRB,dm_segs,nseg); if((pccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_INPROG) { if(nseg != 0) { bus_dmamap_unload(pACB->buffer_dmat,pSRB->dmamap); } xpt_done(pccb); return; } pccb->ccb_h.status |= CAM_SIM_QUEUED; if(pACB->srboutstandingcount < ARCMSR_MAX_OUTSTANDING_CMD) { /* ****************************************************************** ** and we can make sure there were no pending srb in this duration ****************************************************************** */ arcmsr_post_srb(pACB,pSRB); } else { /* ****************************************************************** ** Q of srbwaitexec will be post out when any outstanding command complete ****************************************************************** */ arcmsr_queue_wait2go_srb(pACB,pSRB); } return; } /* ***************************************************************************************** ** ***************************************************************************************** */ BOOLEAN arcmsr_seek_cmd2abort(union ccb * pabortccb) { PSRB pSRB,pfreesrb; PACB pACB=(PACB) pabortccb->ccb_h.arcmsr_ccbacb_ptr; ULONG s,intmask_org,mask; LONG i=0; #if ARCMSR_DEBUG0 printf("arcmsr_seek_cmd2abort.................. \n"); #endif s=splcam(); /* ** It is the upper layer do abort command this lock just prior to calling us. ** First determine if we currently own this command. ** Start by searching the device queue. If not found ** at all,and the system wanted us to just abort the ** command return success. */ if(pACB->srboutstandingcount!=0) { /* Q back all outstanding srb into wait exec psrb Q*/ pfreesrb=pACB->pfreesrb; for(i=0;istartdone==ARCMSR_SRB_START) { if(pSRB->pccb==pabortccb) { /* disable all outbound interrupt */ intmask_org=CHIP_REG_READ32(&pACB->pmu->outbound_intmask); CHIP_REG_WRITE32(&pACB->pmu->outbound_intmask,intmask_org|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE); /* talk to iop 331 outstanding command aborted*/ arcmsr_abort_allcmd(pACB); if(arcmsr_wait_msgint_ready(pACB)!=TRUE) { printf("arcmsr_seek_cmd2abort: wait 'abort all outstanding command' timeout.................in \n"); } /*clear all outbound posted Q*/ for(i=0;ipmu->outbound_queueport); } pfreesrb=pACB->pfreesrb; for(i=0;istartdone==ARCMSR_SRB_START) { pSRB->startdone=ARCMSR_SRB_ABORTED; pSRB->pccb->ccb_h.status=CAM_REQ_ABORTED; arcmsr_srb_complete(pSRB); } } /* enable all outbound interrupt */ mask=~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE|ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); CHIP_REG_WRITE32(&pACB->pmu->outbound_intmask,intmask_org & mask); splx(s); return(TRUE); } } } } /* ** seek this command at our command list ** if command found then remove,abort it and free this SRB */ if(pACB->srbwait2gocount!=0) { for(i=0;ipsrbwait2go[i]; if(pSRB!=NULL) { if(pSRB->pccb==pabortccb) { pACB->psrbwait2go[i]=NULL; pSRB->startdone=ARCMSR_SRB_ABORTED; pSRB->pccb->ccb_h.status=CAM_REQ_ABORTED; arcmsr_srb_complete(pSRB); atomic_subtract_int(&pACB->srbwait2gocount,1); splx(s); return(TRUE); } } } } splx(s); return (FALSE); } /* **************************************************************************** ** **************************************************************************** */ VOID arcmsr_bus_reset(PACB pACB) { #if ARCMSR_DEBUG0 printf("arcmsr_bus_reset.......................... \n"); #endif arcmsr_iop_reset(pACB); return; } /* ********************************************************************* ** ** CAM Status field values **typedef enum { ** CAM_REQ_INPROG, CCB request is in progress ** CAM_REQ_CMP, CCB request completed without error ** CAM_REQ_ABORTED, CCB request aborted by the host ** CAM_UA_ABORT, Unable to abort CCB request ** CAM_REQ_CMP_ERR, CCB request completed with an error ** CAM_BUSY, CAM subsytem is busy ** CAM_REQ_INVALID, CCB request was invalid ** CAM_PATH_INVALID, Supplied Path ID is invalid ** CAM_DEV_NOT_THERE, SCSI Device Not Installed/there ** CAM_UA_TERMIO, Unable to terminate I/O CCB request ** CAM_SEL_TIMEOUT, Target Selection Timeout ** CAM_CMD_TIMEOUT, Command timeout ** CAM_SCSI_STATUS_ERROR, SCSI error, look at error code in CCB ** CAM_MSG_REJECT_REC, Message Reject Received ** CAM_SCSI_BUS_RESET, SCSI Bus Reset Sent/Received ** CAM_UNCOR_PARITY, Uncorrectable parity error occurred ** CAM_AUTOSENSE_FAIL=0x10, Autosense: request sense cmd fail ** CAM_NO_HBA, No HBA Detected error ** CAM_DATA_RUN_ERR, Data Overrun error ** CAM_UNEXP_BUSFREE, Unexpected Bus Free ** CAM_SEQUENCE_FAIL, Target Bus Phase Sequence Failure ** CAM_CCB_LEN_ERR, CCB length supplied is inadequate ** CAM_PROVIDE_FAIL, Unable to provide requested capability ** CAM_BDR_SENT, A SCSI BDR msg was sent to target ** CAM_REQ_TERMIO, CCB request terminated by the host ** CAM_UNREC_HBA_ERROR, Unrecoverable Host Bus Adapter Error ** CAM_REQ_TOO_BIG, The request was too large for this host ** CAM_REQUEUE_REQ, ** * This request should be requeued to preserve ** * transaction ordering. This typically occurs ** * when the SIM recognizes an error that should ** * freeze the queue and must place additional ** * requests for the target at the sim level ** * back into the XPT queue. ** ** CAM_IDE=0x33, Initiator Detected Error ** CAM_RESRC_UNAVAIL, Resource Unavailable ** CAM_UNACKED_EVENT, Unacknowledged Event by Host ** CAM_MESSAGE_RECV, Message Received in Host Target Mode ** CAM_INVALID_CDB, Invalid CDB received in Host Target Mode ** CAM_LUN_INVALID, Lun supplied is invalid ** CAM_TID_INVALID, Target ID supplied is invalid ** CAM_FUNC_NOTAVAIL, The requested function is not available ** CAM_NO_NEXUS, Nexus is not established ** CAM_IID_INVALID, The initiator ID is invalid ** CAM_CDB_RECVD, The SCSI CDB has been received ** CAM_LUN_ALRDY_ENA, The LUN is already eanbeld for target mode ** CAM_SCSI_BUSY, SCSI Bus Busy ** ** CAM_DEV_QFRZN=0x40, The DEV queue is frozen w/this err ** ** Autosense data valid for target ** CAM_AUTOSNS_VALID=0x80, ** CAM_RELEASE_SIMQ=0x100, SIM ready to take more commands ** CAM_SIM_QUEUED =0x200, SIM has this command in it's queue ** ** CAM_STATUS_MASK=0x3F, Mask bits for just the status # ** ** Target Specific Adjunct Status ** CAM_SENT_SENSE=0x40000000 sent sense with status **} cam_status; ** **union ccb { ** struct ccb_hdr ccb_h; For convenience ** struct ccb_scsiio csio; ** struct ccb_getdev cgd; ** struct ccb_getdevlist cgdl; ** struct ccb_pathinq cpi; ** struct ccb_relsim crs; ** struct ccb_setasync csa; ** struct ccb_setdev csd; ** struct ccb_pathstats cpis; ** struct ccb_getdevstats cgds; ** struct ccb_dev_match cdm; ** struct ccb_trans_settings cts; ** struct ccb_calc_geometry ccg; ** struct ccb_abort cab; ** struct ccb_resetbus crb; ** struct ccb_resetdev crd; ** struct ccb_termio tio; ** struct ccb_accept_tio atio; ** struct ccb_scsiio ctio; ** struct ccb_en_lun cel; ** struct ccb_immed_notify cin; ** struct ccb_notify_ack cna; ** struct ccb_eng_inq cei; ** struct ccb_eng_exec cee; ** struct ccb_rescan crcn; ** struct ccb_debug cdbg; ** } ** **struct ccb_hdr { ** cam_pinfo pinfo; "" Info for priority scheduling ** camq_entry xpt_links; "" For chaining in the XPT layer ** camq_entry sim_links; "" For chaining in the SIM layer ** camq_entry periph_links; "" For chaining in the type driver ** u_int32_t retry_count; ** void (*cbfcnp)(struct cam_periph *, union ccb *);"" Callback on completion function ** xpt_opcode func_code; "" XPT function code ** u_int32_t status; "" Status returned by CAM subsystem ** struct cam_path *path; "" Compiled path for this ccb ** path_id_t path_id; "" Path ID for the request ** target_id_t target_id; "" Target device ID ** lun_id_t target_lun; "" Target LUN number ** u_int32_t flags; ** ccb_ppriv_area periph_priv; ** ccb_spriv_area sim_priv; ** u_int32_t timeout; "" Timeout value ** struct callout_handle timeout_ch; "" Callout handle used for timeouts **}; ** **typedef union { ** u_int8_t *cdb_ptr; "" Pointer to the CDB bytes to send ** u_int8_t cdb_bytes[IOCDBLEN]; "" Area for the CDB send **} cdb_t; ** ** SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO ** function codes. ** **struct ccb_scsiio { ** struct ccb_hdr ccb_h; ** union ccb *next_ccb; "" Ptr for next CCB for action ** u_int8_t *req_map; "" Ptr to mapping info ** u_int8_t *data_ptr; "" Ptr to the data buf/SG list ** u_int32_t dxfer_len; "" Data transfer length ** struct scsi_sense_data sense_data; "" Autosense storage ** u_int8_t sense_len; "" Number of bytes to autosense ** u_int8_t cdb_len; "" Number of bytes for the CDB ** u_int16_t sglist_cnt; "" Number of SG list entries ** u_int8_t scsi_status; "" Returned SCSI status ** u_int8_t sense_resid; "" Autosense resid length: 2's comp ** u_int32_t resid; "" Transfer residual length: 2's comp ** cdb_t cdb_io; "" Union for CDB bytes/pointer ** u_int8_t *msg_ptr; "" Pointer to the message buffer ** u_int16_t msg_len; "" Number of bytes for the Message ** u_int8_t tag_action; "" What to do for tag queueing **#define CAM_TAG_ACTION_NONE 0x00 "" The tag action should be either the define below (to send a non-tagged transaction) or one of the defined scsi tag messages from scsi_message.h. ** u_int tag_id; "" tag id from initator (target mode) ** u_int init_id; "" initiator id of who selected **} ********************************************************************* */ static VOID arcmsr_action(struct cam_sim * psim,union ccb * pccb) { PACB pACB; #if ARCMSR_DEBUG0 printf("arcmsr_action ..................................\n" ); #endif pACB=(PACB) cam_sim_softc(psim); if(pACB==NULL) { pccb->ccb_h.status=CAM_REQ_INVALID; xpt_done(pccb); return; } switch (pccb->ccb_h.func_code) { case XPT_SCSI_IO: { PSRB pSRB; #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_SCSI_IO......................\n" ); #endif if((pSRB=arcmsr_get_freesrb(pACB)) == NULL) { pccb->ccb_h.status=CAM_RESRC_UNAVAIL; xpt_done(pccb); return; } pccb->ccb_h.arcmsr_ccbsrb_ptr=pSRB; pccb->ccb_h.arcmsr_ccbacb_ptr=pACB; pSRB->pccb=pccb; if((pccb->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) { if((pccb->ccb_h.flags & CAM_SCATTER_VALID) == 0) { if((pccb->ccb_h.flags & CAM_DATA_PHYS) == 0) { LONG error,s; s=splsoftvm(); error = bus_dmamap_load(pACB->buffer_dmat,pSRB->dmamap,pccb->csio.data_ptr,pccb->csio.dxfer_len,arcmsr_executesrb,pSRB,/*flags*/0); if(error == EINPROGRESS) { xpt_freeze_simq(pACB->psim,1); pccb->ccb_h.status |= CAM_RELEASE_SIMQ; } splx(s); } else { panic("arcmsr: CAM_DATA_PHYS not supported"); } } else { struct bus_dma_segment *segs; if((pccb->ccb_h.flags & CAM_SG_LIST_PHYS) == 0 || (pccb->ccb_h.flags & CAM_DATA_PHYS) != 0) { pccb->ccb_h.status=CAM_PROVIDE_FAIL; xpt_done(pccb); free(pSRB,M_DEVBUF); return; } segs=(struct bus_dma_segment *)pccb->csio.data_ptr; arcmsr_executesrb(pSRB,segs,pccb->csio.sglist_cnt,0); } } else { arcmsr_executesrb(pSRB,NULL,0,0); } break; } case XPT_TARGET_IO: { #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_TARGET_IO\n" ); #endif /* ** target mode not yet support vendor specific commands. */ pccb->ccb_h.status=CAM_REQ_CMP; xpt_done(pccb); break; } case XPT_PATH_INQ: { struct ccb_pathinq *cpi=&pccb->cpi; #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_PATH_INQ\n" ); #endif cpi->version_num=1; cpi->hba_inquiry=PI_SDTR_ABLE | PI_TAG_ABLE; cpi->target_sprt=0; cpi->hba_misc=0; cpi->hba_eng_cnt=0; cpi->max_target=ARCMSR_MAX_TARGETID; cpi->max_lun=ARCMSR_MAX_TARGETLUN; /* 7 or 0 */ cpi->initiator_id=ARCMSR_SCSI_INITIATOR_ID; cpi->bus_id=cam_sim_bus(psim); strncpy(cpi->sim_vid,"FreeBSD",SIM_IDLEN); strncpy(cpi->hba_vid,"ARCMSR",HBA_IDLEN); strncpy(cpi->dev_name,cam_sim_name(psim),DEV_IDLEN); cpi->unit_number=cam_sim_unit(psim); cpi->ccb_h.status=CAM_REQ_CMP; xpt_done(pccb); break; } case XPT_ABORT: { union ccb *pabort_ccb; #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_ABORT\n" ); #endif pabort_ccb=pccb->cab.abort_ccb; switch (pabort_ccb->ccb_h.func_code) { case XPT_ACCEPT_TARGET_IO: case XPT_IMMED_NOTIFY: case XPT_CONT_TARGET_IO: if(arcmsr_seek_cmd2abort(pabort_ccb)==TRUE) { pabort_ccb->ccb_h.status=CAM_REQ_ABORTED; xpt_done(pabort_ccb); pccb->ccb_h.status=CAM_REQ_CMP; } else { xpt_print_path(pabort_ccb->ccb_h.path); printf("Not found\n"); pccb->ccb_h.status=CAM_PATH_INVALID; } break; case XPT_SCSI_IO: pccb->ccb_h.status=CAM_UA_ABORT; break; default: pccb->ccb_h.status=CAM_REQ_INVALID; break; } xpt_done(pccb); break; } case XPT_RESET_BUS: case XPT_RESET_DEV: { LONG i; #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_RESET_BUS\n" ); #endif arcmsr_bus_reset(pACB); for (i=0; i < 500; i++) { DELAY(1000); } pccb->ccb_h.status=CAM_REQ_CMP; xpt_done(pccb); break; } case XPT_TERM_IO: { #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_TERM_IO\n" ); #endif pccb->ccb_h.status=CAM_REQ_INVALID; xpt_done(pccb); break; } case XPT_GET_TRAN_SETTINGS: { struct ccb_trans_settings *cts; ULONG s; #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_GET_TRAN_SETTINGS\n" ); #endif cts=&pccb->cts; s=splcam(); cts->flags=(CCB_TRANS_DISC_ENB | CCB_TRANS_TAG_ENB); cts->sync_period=3; cts->sync_offset=32; cts->bus_width=MSG_EXT_WDTR_BUS_16_BIT; cts->valid=CCB_TRANS_SYNC_RATE_VALID | CCB_TRANS_SYNC_OFFSET_VALID | CCB_TRANS_BUS_WIDTH_VALID | CCB_TRANS_DISC_VALID | CCB_TRANS_TQ_VALID; splx(s); pccb->ccb_h.status=CAM_REQ_CMP; xpt_done(pccb); break; } case XPT_SET_TRAN_SETTINGS: { #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_SET_TRAN_SETTINGS\n" ); #endif pccb->ccb_h.status = CAM_FUNC_NOTAVAIL; xpt_done(pccb); break; } case XPT_CALC_GEOMETRY: { struct ccb_calc_geometry *ccg; ULONG size_mb; ULONG secs_per_cylinder; #if ARCMSR_DEBUG0 printf("arcmsr_action: XPT_CALC_GEOMETRY\n" ); #endif ccg=&pccb->ccg; size_mb=ccg->volume_size/((1024L * 1024L)/ccg->block_size); if(size_mb > 1024 ) { ccg->heads=255; ccg->secs_per_track=63; } else { ccg->heads=64; ccg->secs_per_track=32; } secs_per_cylinder=ccg->heads * ccg->secs_per_track; ccg->cylinders=ccg->volume_size / secs_per_cylinder; pccb->ccb_h.status=CAM_REQ_CMP; xpt_done(pccb); break; } default: #if ARCMSR_DEBUG0 printf("arcmsr_action: invalid XPT function CAM_REQ_INVALID\n" ); #endif pccb->ccb_h.status=CAM_REQ_INVALID; xpt_done(pccb); break; } return; } /* ********************************************************************** ** ** start background rebuild ** ********************************************************************** */ VOID arcmsr_start_adapter_bgrb(PACB pACB) { #if ARCMSR_DEBUG0 printf("arcmsr_start_adapter_bgrb.................................. \n"); #endif pACB->acb_flags |= ACB_F_MSG_START_BGRB; pACB->acb_flags &= ~ACB_F_MSG_STOP_BGRB; CHIP_REG_WRITE32(&pACB->pmu->inbound_msgaddr0,ARCMSR_INBOUND_MESG0_START_BGRB); return; } /* ********************************************************************** ** ** start background rebuild ** ********************************************************************** */ VOID arcmsr_iop_init(PACB pACB) { ULONG intmask_org,mask,outbound_doorbell,firmware_state=0; #if ARCMSR_DEBUG0 printf("arcmsr_iop_init.................................. \n"); #endif do { firmware_state=CHIP_REG_READ32(&pACB->pmu->outbound_msgaddr1); }while((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK)==0); /* disable all outbound interrupt */ intmask_org=CHIP_REG_READ32(&pACB->pmu->outbound_intmask); CHIP_REG_WRITE32(&pACB->pmu->outbound_intmask,intmask_org|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE); /*start background rebuild*/ arcmsr_start_adapter_bgrb(pACB); if(arcmsr_wait_msgint_ready(pACB)!=TRUE) { printf("arcmsr_HwInitialize: wait 'start adapter background rebuild' timeout................. \n"); } /* clear Qbuffer if door bell ringed */ outbound_doorbell=CHIP_REG_READ32(&pACB->pmu->outbound_doorbell); if(outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) { CHIP_REG_WRITE32(&pACB->pmu->outbound_doorbell,outbound_doorbell);/*clear interrupt */ CHIP_REG_WRITE32(&pACB->pmu->inbound_doorbell,ARCMSR_INBOUND_DRIVER_DATA_READ_OK); } /* enable outbound Post Queue,outbound message0,outbell doorbell Interrupt */ mask=~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE|ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE|ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); CHIP_REG_WRITE32(&pACB->pmu->outbound_intmask,intmask_org & mask); pACB->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; pACB->acb_flags |=ACB_F_IOP_INITED; return; } /* ********************************************************************** ** ** map freesrb ** ********************************************************************** */ static void arcmsr_map_freesrb(void *arg, bus_dma_segment_t *segs, int nseg, int error) { PACB pACB=arg; PSRB psrb_tmp,pfreesrb; ULONG cdb_phyaddr; LONG i; pfreesrb=(PSRB)pACB->uncacheptr; cdb_phyaddr=segs->ds_addr; /* We suppose bus_addr_t high part always 0 here*/ if(((CPT2INT)pACB->uncacheptr & 0x1F)!=0) { pfreesrb=pfreesrb+(0x20-((CPT2INT)pfreesrb & 0x1F)); cdb_phyaddr=cdb_phyaddr+(0x20-((CPT2INT)cdb_phyaddr & 0x1F)); } /* ******************************************************************** ** here we need to tell iop 331 our freesrb.HighPart ** if freesrb.HighPart is not zero ******************************************************************** */ for(i=0;ibuffer_dmat, /*flags*/0, &psrb_tmp->dmamap)!=0) { pACB->acb_flags |= ACB_F_MAPFREESRB_FAILD; printf(" arcmsr_map_freesrb: (pSRB->dmamap) bus_dmamap_create ..............error\n"); return; } psrb_tmp->cdb_shifted_phyaddr=cdb_phyaddr >> 5; psrb_tmp->pACB=pACB; pACB->psrbringQ[i]=psrb_tmp; cdb_phyaddr=cdb_phyaddr+sizeof(struct _SRB); } else { pACB->acb_flags |= ACB_F_MAPFREESRB_FAILD; printf(" arcmsr_map_freesrb:pfreesrb=%p i=%d this srb cross 32 bytes boundary ignored ......psrb_tmp=%p \n",pfreesrb,i,psrb_tmp); return; } } pACB->pfreesrb=pfreesrb; pACB->vir2phy_offset=(CPT2INT)psrb_tmp-(cdb_phyaddr-sizeof(struct _SRB)); return; } /* ************************************************************************ ** ** ************************************************************************ */ VOID arcmsr_free_resource(PACB pACB) { /* remove the control device */ if (pACB->ioctl_dev != NULL) { destroy_dev(pACB->ioctl_dev); } bus_dmamap_unload(pACB->srb_dmat, pACB->srb_dmamap); bus_dmamap_destroy(pACB->srb_dmat, pACB->srb_dmamap); bus_dma_tag_destroy(pACB->srb_dmat); bus_dma_tag_destroy(pACB->buffer_dmat); bus_dma_tag_destroy(pACB->parent_dmat); return; } /* ************************************************************************ ** PCI config header registers for all devices ** ** #define PCIR_COMMAND 0x04 ** #define PCIM_CMD_PORTEN 0x0001 ** #define PCIM_CMD_MEMEN 0x0002 ** #define PCIM_CMD_BUSMASTEREN 0x0004 ** #define PCIM_CMD_MWRICEN 0x0010 ** #define PCIM_CMD_PERRESPEN 0x0040 ** ** Function : arcmsr_initialize ** Purpose : initialize the internal structures for a given SCSI host ** Inputs : host - pointer to this host adapter's structure ** Preconditions : when this function is called,the chip_type ** field of the pACB structure MUST have been set. ** ** 10h Base Address register #0 ** 14h Base Address register #1 ** 18h Base Address register #2 ** 1Ch Base Address register #3 ** 20h Base Address register #4 ** 24h Base Address register #5 ************************************************************************ */ static LONG arcmsr_initialize(device_t dev) { PACB pACB=device_get_softc(dev); LONG rid=PCI_BASE_ADDR0; vm_offset_t mem_base; USHORT pci_command; #if ARCMSR_DEBUG0 printf("arcmsr_initialize..............................\n"); #endif #if __FreeBSD_version >= 502010 if (bus_dma_tag_create( /*parent*/NULL, /*alignemnt*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/BUS_SPACE_MAXSIZE_32BIT, /*nsegments*/BUS_SPACE_UNRESTRICTED, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0, /*lockfunc*/NULL, /*lockarg*/NULL, &pACB->parent_dmat) != 0) #else if (bus_dma_tag_create( /*parent*/NULL, /*alignemnt*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/BUS_SPACE_MAXSIZE_32BIT, /*nsegments*/BUS_SPACE_UNRESTRICTED, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0, &pACB->parent_dmat) != 0) #endif { printf("arcmsr_initialize: bus_dma_tag_create .......................failure!\n"); return ENOMEM; } /* Create a single tag describing a region large enough to hold all of the s/g lists we will need. */ #if __FreeBSD_version >= 502010 if(bus_dma_tag_create( /*parent_dmat*/pACB->parent_dmat, /*alignment*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/MAXBSIZE, /*nsegments*/ARCMSR_MAX_SG_ENTRIES, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/BUS_DMA_ALLOCNOW, /*lockfunc*/busdma_lock_mutex, /*lockarg*/&Giant, &pACB->buffer_dmat) != 0) #else if(bus_dma_tag_create( /*parent_dmat*/pACB->parent_dmat, /*alignment*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/MAXBSIZE, /*nsegments*/ARCMSR_MAX_SG_ENTRIES, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/BUS_DMA_ALLOCNOW, &pACB->buffer_dmat) != 0) #endif { bus_dma_tag_destroy(pACB->parent_dmat); printf("arcmsr_initialize: bus_dma_tag_create ............................failure!\n"); return ENOMEM; } /* DMA tag for our srb structures.... Allocate the pfreesrb memory */ #if __FreeBSD_version >= 502010 if (bus_dma_tag_create( /*parent_dmat*/pACB->parent_dmat, /*alignment*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/((sizeof(struct _SRB) * ARCMSR_MAX_FREESRB_NUM)+0x20), /*nsegments*/1, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0, /*lockfunc*/NULL, /*lockarg*/NULL, &pACB->srb_dmat) != 0) #else if (bus_dma_tag_create( /*parent_dmat*/pACB->parent_dmat, /*alignment*/1, /*boundary*/0, /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/((sizeof(struct _SRB) * ARCMSR_MAX_FREESRB_NUM)+0x20), /*nsegments*/1, /*maxsegsz*/BUS_SPACE_MAXSIZE_32BIT, /*flags*/0, &pACB->srb_dmat) != 0) #endif { bus_dma_tag_destroy(pACB->buffer_dmat); bus_dma_tag_destroy(pACB->parent_dmat); printf("arcmsr_initialize: pACB->srb_dmat bus_dma_tag_create .....................failure!\n"); return ENXIO; } /* Allocation for our srbs */ if (bus_dmamem_alloc(pACB->srb_dmat, (void **)&pACB->uncacheptr, BUS_DMA_WAITOK | BUS_DMA_COHERENT, &pACB->srb_dmamap) != 0) { bus_dma_tag_destroy(pACB->srb_dmat); bus_dma_tag_destroy(pACB->buffer_dmat); bus_dma_tag_destroy(pACB->parent_dmat); printf("arcmsr_initialize: pACB->srb_dmat bus_dma_tag_create ...............failure!\n"); return ENXIO; } /* And permanently map them */ if(bus_dmamap_load(pACB->srb_dmat, pACB->srb_dmamap,pACB->uncacheptr,(sizeof(struct _SRB) * ARCMSR_MAX_FREESRB_NUM)+0x20,arcmsr_map_freesrb, pACB, /*flags*/0)) { bus_dma_tag_destroy(pACB->srb_dmat); bus_dma_tag_destroy(pACB->buffer_dmat); bus_dma_tag_destroy(pACB->parent_dmat); printf("arcmsr_initialize: bus_dmamap_load................... failure!\n"); return ENXIO; } pci_command=pci_read_config(dev,PCIR_COMMAND,2); pci_command |= PCIM_CMD_BUSMASTEREN; pci_command |= PCIM_CMD_PERRESPEN; pci_command |= PCIM_CMD_MWRICEN; /* Enable Busmaster/Mem */ pci_command |= PCIM_CMD_MEMEN; pci_write_config(dev,PCIR_COMMAND,pci_command,2); pACB->sys_res_arcmsr=bus_alloc_resource(dev,SYS_RES_MEMORY,&rid,0,~0,0x1000,RF_ACTIVE); if(pACB->sys_res_arcmsr == NULL) { arcmsr_free_resource(pACB); printf("arcmsr_initialize: bus_alloc_resource .....................failure!\n"); return ENOMEM; } if(rman_get_start(pACB->sys_res_arcmsr) <= 0) { arcmsr_free_resource(pACB); printf("arcmsr_initialize: rman_get_start ...........................failure!\n"); return ENXIO; } mem_base=(vm_offset_t) rman_get_virtual(pACB->sys_res_arcmsr); if(mem_base==0) { arcmsr_free_resource(pACB); printf("arcmsr_initialize: rman_get_virtual ..........................failure!\n"); return ENXIO; } if(pACB->acb_flags & ACB_F_MAPFREESRB_FAILD) { arcmsr_free_resource(pACB); printf("arcmsr_initialize: arman_get_virtual ..........................failure!\n"); return ENXIO; } pACB->btag=rman_get_bustag(pACB->sys_res_arcmsr); pACB->bhandle=rman_get_bushandle(pACB->sys_res_arcmsr); pACB->pmu=(PMU)mem_base; pACB->acb_flags |= (ACB_F_IOCTL_WQBUFFER_CLEARED|ACB_F_IOCTL_RQBUFFER_CLEARED); pACB->acb_flags &= ~ACB_F_SCSISTOPADAPTER; arcmsr_iop_init(pACB); return(0); } /* ************************************************************************ ** ** attach and init a host adapter ** ************************************************************************ */ static LONG arcmsr_attach(device_t dev) { PACB pACB=device_get_softc(dev); LONG unit=device_get_unit(dev); struct ccb_setasync csa; struct cam_devq *devq; /* Device Queue to use for this SIM */ struct resource *irqres; int rid; #if ARCMSR_DEBUG0 printf("arcmsr_attach .............................\n" ); #endif if(arcmsr_initialize(dev)) { printf("arcmsr_attach: arcmsr_initialize failure!\n"); return ENXIO; } /* After setting up the adapter,map our interrupt */ rid=0; irqres=bus_alloc_resource(dev,SYS_RES_IRQ,&rid,0,~0,1,RF_SHAREABLE | RF_ACTIVE); if(irqres == NULL || bus_setup_intr(dev,irqres,INTR_TYPE_CAM,arcmsr_interrupt,pACB,&pACB->ih)) { arcmsr_free_resource(pACB); printf("arcmsr%d: unable to register interrupt handler!\n",unit); return ENXIO; } pACB->irqres=irqres; pACB->pci_dev=dev; pACB->pci_unit=unit; /* * Now let the CAM generic SCSI layer find the SCSI devices on * the bus * start queue to reset to the idle loop. * * Create device queue of SIM(s) * (MAX_START_JOB - 1) : * max_sim_transactions */ devq=cam_simq_alloc(ARCMSR_MAX_START_JOB); if(devq == NULL) { arcmsr_free_resource(pACB); bus_release_resource(dev, SYS_RES_IRQ, 0, pACB->irqres); printf("arcmsr_attach: cam_simq_alloc failure!\n"); return ENXIO; } pACB->psim=cam_sim_alloc(arcmsr_action,arcmsr_poll,"arcmsr",pACB,pACB->pci_unit,1,ARCMSR_MAX_OUTSTANDING_CMD,devq); if(pACB->psim == NULL) { arcmsr_free_resource(pACB); bus_release_resource(dev, SYS_RES_IRQ, 0, pACB->irqres); cam_simq_free(devq); printf("arcmsr_attach: cam_sim_alloc ..................failure!\n"); return ENXIO; } if(xpt_bus_register(pACB->psim,0) != CAM_SUCCESS) { arcmsr_free_resource(pACB); bus_release_resource(dev, SYS_RES_IRQ, 0, pACB->irqres); cam_sim_free(pACB->psim,/*free_devq*/TRUE); printf("arcmsr_attach: xpt_bus_register .......................failure!\n"); return ENXIO; } if(xpt_create_path(&pACB->ppath,/* periph */ NULL,cam_sim_path(pACB->psim),CAM_TARGET_WILDCARD,CAM_LUN_WILDCARD) != CAM_REQ_CMP) { arcmsr_free_resource(pACB); bus_release_resource(dev, SYS_RES_IRQ, 0, pACB->irqres); xpt_bus_deregister(cam_sim_path(pACB->psim)); cam_sim_free(pACB->psim,/* free_simq */ TRUE); printf("arcmsr_attach: xpt_create_path .....................failure!\n"); return ENXIO; } /* **************************************************** */ xpt_setup_ccb(&csa.ccb_h,pACB->ppath,/*priority*/5); csa.ccb_h.func_code=XPT_SASYNC_CB; csa.event_enable=AC_FOUND_DEVICE|AC_LOST_DEVICE; csa.callback=arcmsr_async; csa.callback_arg=pACB->psim; xpt_action((union ccb *)&csa); /* Create the control device. */ pACB->ioctl_dev=make_dev(&arcmsr_cdevsw, unit, UID_ROOT, GID_WHEEL /* GID_OPERATOR */, S_IRUSR | S_IWUSR, "arcmsr%d", unit); #if __FreeBSD_version < 503000 pACB->ioctl_dev->si_drv1=pACB; #endif #if __FreeBSD_version > 500005 (void)make_dev_alias(pACB->ioctl_dev, "arc%d", unit); #endif #if 0 #if __FreeBSD_version > 500005 if(kthread_create(arcmsr_do_thread_works, pACB, &pACB->kthread_proc,0,"arcmsr%d: kthread",pACB->pci_unit)) { device_printf(pACB->pci_dev,"cannot create kernel thread for this host adapetr\n"); xpt_bus_deregister(cam_sim_path(pACB->psim)); cam_sim_free(pACB->psim,/* free_simq */ TRUE); panic("arcmsr plunge kernel thread fail"); } #else if(kthread_create(arcmsr_do_thread_works, pACB, &pACB->kthread_proc,"arcmsr%d: kthread", pACB->pci_unit)) { device_printf(pACB->pci_dev,"cannot create kernel thread for this host adapetr\n"); xpt_bus_deregister(cam_sim_path(pACB->psim)); cam_sim_free(pACB->psim,/* free_simq */ TRUE); panic("arcmsr plunge kernel thread fail"); } #endif #endif return 0; } /* ************************************************************************ ** ** ** ************************************************************************ */ static LONG arcmsr_probe(device_t dev) { ULONG id; #if ARCMSR_DEBUG0 printf("arcmsr_probe................. \n"); #endif switch(id=pci_get_devid(dev)) { case PCIDevVenIDARC1110: device_set_desc(dev,"ARECA ARC1110 PCI-X 4 PORTS SATA RAID CONTROLLER \n" ARCMSR_DRIVER_VERSION ); return 0; case PCIDevVenIDARC1120: device_set_desc(dev,"ARECA ARC1120 PCI-X 8 PORTS SATA RAID CONTROLLER (RAID6-ENGINE Inside) \n" ARCMSR_DRIVER_VERSION); return 0; case PCIDevVenIDARC1130: device_set_desc(dev,"ARECA ARC1130 PCI-X 12 PORTS SATA RAID CONTROLLER (RAID6-ENGINE Inside) \n" ARCMSR_DRIVER_VERSION); return 0; case PCIDevVenIDARC1160: device_set_desc(dev,"ARECA ARC1160 PCI-X 16 PORTS SATA RAID CONTROLLER (RAID6-ENGINE Inside) \n" ARCMSR_DRIVER_VERSION); return 0; case PCIDevVenIDARC1210: device_set_desc(dev,"ARECA ARC1210 PCI-EXPRESS 4 PORTS SATA RAID CONTROLLER \n" ARCMSR_DRIVER_VERSION); return 0; case PCIDevVenIDARC1220: device_set_desc(dev,"ARECA ARC1220 PCI-EXPRESS 8 PORTS SATA RAID CONTROLLER (RAID6-ENGINE Inside) \n" ARCMSR_DRIVER_VERSION); return 0; case PCIDevVenIDARC1230: device_set_desc(dev,"ARECA ARC1230 PCI-EXPRESS 12 PORTS SATA RAID CONTROLLER (RAID6-ENGINE Inside) \n" ARCMSR_DRIVER_VERSION); return 0; case PCIDevVenIDARC1260: device_set_desc(dev,"ARECA ARC1260 PCI-EXPRESS 16 PORTS SATA RAID CONTROLLER (RAID6-ENGINE Inside) \n" ARCMSR_DRIVER_VERSION); return 0; } return ENXIO; } /* ************************************************************************ ** ** ** ************************************************************************ */ static VOID arcmsr_shutdown(device_t dev) { LONG i,abort_cmd_cnt=0; ULONG s,intmask_org; PSRB pSRB; PACB pACB=device_get_softc(dev); #if ARCMSR_DEBUG0 printf("arcmsr_shutdown................. \n"); #endif s=splcam(); /* disable all outbound interrupt */ intmask_org=CHIP_REG_READ32(&pACB->pmu->outbound_intmask); CHIP_REG_WRITE32(&pACB->pmu->outbound_intmask,(intmask_org|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE)); /* stop adapter background rebuild */ arcmsr_stop_adapter_bgrb(pACB); if(arcmsr_wait_msgint_ready(pACB)!=TRUE) { printf("arcmsr_pcidev_disattach: wait 'stop adapter rebuild' timeout.... \n"); } arcmsr_flush_adapter_cache(pACB); if(arcmsr_wait_msgint_ready(pACB)!=TRUE) { printf("arcmsr_pcidev_disattach: wait 'flush adapter cache' timeout.... \n"); } /* abort all outstanding command */ pACB->acb_flags |= ACB_F_SCSISTOPADAPTER; pACB->acb_flags &= ~ACB_F_IOP_INITED; if(pACB->srboutstandingcount!=0) { PSRB pfreesrb; #if ARCMSR_DEBUG0 printf("arcmsr_pcidev_disattach: .....pACB->srboutstandingcount!=0 \n"); #endif /* Q back all outstanding srb into wait exec psrb Q*/ pfreesrb=pACB->pfreesrb; for(i=0;istartdone==ARCMSR_SRB_START) { pSRB->srb_flags|=SRB_FLAG_MASTER_ABORTED; pSRB->pccb->ccb_h.status=CAM_REQ_ABORTED; abort_cmd_cnt++; } } if(abort_cmd_cnt!=0) { #if ARCMSR_DEBUG0 printf("arcmsr_pcidev_disattach: .....abort_cmd_cnt!=0 \n"); #endif arcmsr_abort_allcmd(pACB); if(arcmsr_wait_msgint_ready(pACB)!=TRUE) { printf("arcmsr_pcidev_disattach: wait 'abort all outstanding command' timeout.................in \n"); } } atomic_set_int(&pACB->srboutstandingcount,0); } if(pACB->srbwait2gocount!=0) { /*remove first wait2go srb and abort it*/ for(i=0;ipsrbwait2go[i]; if(pSRB!=NULL) { pACB->psrbwait2go[i]=NULL; atomic_subtract_int(&pACB->srbwait2gocount,1); pSRB->pccb->ccb_h.status=CAM_REQ_ABORTED; arcmsr_srb_complete(pSRB); } } } splx(s); #if 0 pACB->acb_flags |= ACB_F_STOP_THREAD; wakeup(pACB->kthread_proc);/* signal to kernel thread do_dpcQ: "stop thread" */ #endif return; } /* ************************************************************************ ** ** ** ************************************************************************ */ static LONG arcmsr_detach(device_t dev) { PACB pACB=device_get_softc(dev); arcmsr_shutdown(dev); arcmsr_free_resource(pACB); bus_release_resource(dev, SYS_RES_MEMORY, PCI_BASE_ADDR0, pACB->sys_res_arcmsr); bus_teardown_intr(dev, pACB->irqres, pACB->ih); bus_release_resource(dev, SYS_RES_IRQ, 0, pACB->irqres); xpt_async(AC_LOST_DEVICE, pACB->ppath, NULL); xpt_free_path(pACB->ppath); xpt_bus_deregister(cam_sim_path(pACB->psim)); cam_sim_free(pACB->psim, TRUE); return (0); }