/*- * PCI specific probe and attach routines for Qlogic ISP SCSI adapters. * FreeBSD Version. * * Copyright (c) 1997, 1998, 1999, 2000, 2001 by Matthew Jacob * * 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 immediately at the beginning of the file, without modification, * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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. */ #include __FBSDID("$FreeBSD: head/sys/dev/isp/isp_sbus.c 127346 2004-03-23 23:41:39Z tmm $"); #include #include #include #include #include #include #include #include #include #include #include #include static u_int16_t isp_sbus_rd_reg(struct ispsoftc *, int); static void isp_sbus_wr_reg(struct ispsoftc *, int, u_int16_t); static int isp_sbus_rd_isr(struct ispsoftc *, u_int16_t *, u_int16_t *, u_int16_t *); static int isp_sbus_mbxdma(struct ispsoftc *); static int isp_sbus_dmasetup(struct ispsoftc *, XS_T *, ispreq_t *, u_int16_t *, u_int16_t); static void isp_sbus_dmateardown(struct ispsoftc *, XS_T *, u_int16_t); static void isp_sbus_reset1(struct ispsoftc *); static void isp_sbus_dumpregs(struct ispsoftc *, const char *); static struct ispmdvec mdvec = { isp_sbus_rd_isr, isp_sbus_rd_reg, isp_sbus_wr_reg, isp_sbus_mbxdma, isp_sbus_dmasetup, isp_sbus_dmateardown, NULL, isp_sbus_reset1, isp_sbus_dumpregs, NULL, BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64 }; static int isp_sbus_probe (device_t); static int isp_sbus_attach (device_t); struct isp_sbussoftc { struct ispsoftc sbus_isp; device_t sbus_dev; struct resource * sbus_reg; bus_space_tag_t sbus_st; bus_space_handle_t sbus_sh; void * ih; int16_t sbus_poff[_NREG_BLKS]; bus_dma_tag_t dmat; bus_dmamap_t *dmaps; sdparam sbus_param; struct ispmdvec sbus_mdvec; struct resource * sbus_ires; }; extern ispfwfunc *isp_get_firmware_p; static device_method_t isp_sbus_methods[] = { /* Device interface */ DEVMETHOD(device_probe, isp_sbus_probe), DEVMETHOD(device_attach, isp_sbus_attach), { 0, 0 } }; static void isp_sbus_intr(void *); static driver_t isp_sbus_driver = { "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc) }; static devclass_t isp_devclass; DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0); static int isp_sbus_probe(device_t dev) { int found = 0; char *name = sbus_get_name(dev); if (strcmp(name, "SUNW,isp") == 0 || strcmp(name, "QLGC,isp") == 0 || strcmp(name, "ptisp") == 0 || strcmp(name, "PTI,ptisp") == 0) { found++; } if (!found) return (ENXIO); if (isp_announced == 0 && bootverbose) { printf("Qlogic ISP Driver, FreeBSD Version %d.%d, " "Core Version %d.%d\n", ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR, ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR); isp_announced++; } return (0); } static int isp_sbus_attach(device_t dev) { struct resource *regs; int tval, iqd, isp_debug, role, rid, ispburst, freq; struct isp_sbussoftc *sbs; struct ispsoftc *isp = NULL; int locksetup = 0; /* * Figure out if we're supposed to skip this one. * If we are, we actually go to ISP_ROLE_NONE. */ tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "disable", &tval) == 0 && tval) { device_printf(dev, "device is disabled\n"); /* but return 0 so the !$)$)*!$*) unit isn't reused */ return (0); } role = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "role", &role) == 0 && ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) { device_printf(dev, "setting role to 0x%x\n", role); } else { #ifdef ISP_TARGET_MODE role = ISP_ROLE_INITIATOR|ISP_ROLE_TARGET; #else role = ISP_DEFAULT_ROLES; #endif } sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO); if (sbs == NULL) { device_printf(dev, "cannot allocate softc\n"); return (ENOMEM); } regs = NULL; iqd = 0; rid = 0; regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE); if (regs == 0) { device_printf(dev, "unable to map registers\n"); goto bad; } sbs->sbus_dev = dev; sbs->sbus_reg = regs; sbs->sbus_st = rman_get_bustag(regs); sbs->sbus_sh = rman_get_bushandle(regs); sbs->sbus_mdvec = mdvec; sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF; sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF; sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF; sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF; sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF; isp = &sbs->sbus_isp; isp->isp_mdvec = &sbs->sbus_mdvec; isp->isp_bustype = ISP_BT_SBUS; isp->isp_type = ISP_HA_SCSI_UNKNOWN; isp->isp_param = &sbs->sbus_param; isp->isp_revision = 0; /* XXX */ isp->isp_role = role; isp->isp_dev = dev; freq = sbus_get_clockfreq(dev); if (freq) { /* * Convert from HZ to MHz, rounding up. */ freq = (freq + 500000)/1000000; } else { freq = 25; } sbs->sbus_mdvec.dv_clock = freq << 8; /* * Now figure out what the proper burst sizes, etc., to use. * Unfortunately, there is no ddi_dma_burstsizes here which * walks up the tree finding the limiting burst size node (if * any). We just use what's here for isp. */ ispburst = sbus_get_burstsz(dev); if (ispburst == 0) { ispburst = SBUS_BURST_32 - 1; } sbs->sbus_mdvec.dv_conf1 = 0; if (ispburst & (1 << 5)) { sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32; } else if (ispburst & (1 << 4)) { sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16; } else if (ispburst & (1 << 3)) { sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8; } if (sbs->sbus_mdvec.dv_conf1) { sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE; } /* * Some early versions of the PTI SBus adapter * would fail in trying to download (via poking) * FW. We give up on them. */ if (strcmp("PTI,ptisp", sbus_get_name(dev)) == 0 || strcmp("ptisp", sbus_get_name(dev)) == 0) { isp->isp_confopts |= ISP_CFG_NORELOAD; } /* * We don't trust NVRAM on SBus cards */ isp->isp_confopts |= ISP_CFG_NONVRAM; /* * Try and find firmware for this device. */ if (isp_get_firmware_p) { (*isp_get_firmware_p)(0, 0, 0x1000, &sbs->sbus_mdvec.dv_ispfw); } iqd = 0; sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd, RF_ACTIVE | RF_SHAREABLE); if (sbs->sbus_ires == NULL) { device_printf(dev, "could not allocate interrupt\n"); goto bad; } tval = 0; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "fwload_disable", &tval) == 0 && tval != 0) { isp->isp_confopts |= ISP_CFG_NORELOAD; } isp->isp_osinfo.default_id = -1; if (resource_int_value(device_get_name(dev), device_get_unit(dev), "iid", &tval) == 0) { isp->isp_osinfo.default_id = tval; isp->isp_confopts |= ISP_CFG_OWNLOOPID; } if (isp->isp_osinfo.default_id == -1) { /* * XXX: should be a way to get properties w/o having * XXX: to call OF_xxx functions */ isp->isp_osinfo.default_id = 7; } isp_debug = 0; (void) resource_int_value(device_get_name(dev), device_get_unit(dev), "debug", &isp_debug); /* Make sure the lock is set up. */ mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF); locksetup++; if (bus_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS, isp_sbus_intr, isp, &sbs->ih)) { device_printf(dev, "could not setup interrupt\n"); goto bad; } /* * Set up logging levels. */ if (isp_debug) { isp->isp_dblev = isp_debug; } else { isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR; } if (bootverbose) isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO; /* * Make sure we're in reset state. */ ISP_LOCK(isp); isp_reset(isp); if (isp->isp_state != ISP_RESETSTATE) { ISP_UNLOCK(isp); goto bad; } isp_init(isp); if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_INITSTATE) { isp_uninit(isp); ISP_UNLOCK(isp); goto bad; } isp_attach(isp); if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_RUNSTATE) { isp_uninit(isp); ISP_UNLOCK(isp); goto bad; } /* * XXXX: Here is where we might unload the f/w module * XXXX: (or decrease the reference count to it). */ ISP_UNLOCK(isp); return (0); bad: if (sbs && sbs->ih) { (void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih); } if (locksetup && isp) { mtx_destroy(&isp->isp_osinfo.lock); } if (sbs && sbs->sbus_ires) { bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires); } if (regs) { (void) bus_release_resource(dev, 0, 0, regs); } if (sbs) { if (sbs->sbus_isp.isp_param) free(sbs->sbus_isp.isp_param, M_DEVBUF); free(sbs, M_DEVBUF); } /* * XXXX: Here is where we might unload the f/w module * XXXX: (or decrease the reference count to it). */ return (ENXIO); } static void isp_sbus_intr(void *arg) { struct ispsoftc *isp = arg; u_int16_t isr, sema, mbox; ISP_LOCK(isp); isp->isp_intcnt++; if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) { isp->isp_intbogus++; } else { int iok = isp->isp_osinfo.intsok; isp->isp_osinfo.intsok = 0; isp_intr(isp, isr, sema, mbox); isp->isp_osinfo.intsok = iok; } ISP_UNLOCK(isp); } #define IspVirt2Off(a, x) \ (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \ _BLK_REG_SHFT] + ((x) & 0xff)) #define BXR2(sbc, off) \ bus_space_read_2(sbc->sbus_st, sbc->sbus_sh, off) static int isp_sbus_rd_isr(struct ispsoftc *isp, u_int16_t *isrp, u_int16_t *semap, u_int16_t *mbp) { struct isp_sbussoftc *sbc = (struct isp_sbussoftc *) isp; u_int16_t isr, sema; isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR)); sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA)); isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema); isr &= INT_PENDING_MASK(isp); sema &= BIU_SEMA_LOCK; if (isr == 0 && sema == 0) { return (0); } *isrp = isr; if ((*semap = sema) != 0) { *mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0)); } return (1); } static u_int16_t isp_sbus_rd_reg(struct ispsoftc *isp, int regoff) { u_int16_t rval; struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp; int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT]; offset += (regoff & 0xff); rval = bus_space_read_2(sbs->sbus_st, sbs->sbus_sh, offset); isp_prt(isp, ISP_LOGDEBUG3, "isp_sbus_rd_reg(off %x) = %x", regoff, rval); return (rval); } static void isp_sbus_wr_reg(struct ispsoftc *isp, int regoff, u_int16_t val) { struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp; int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT]; offset += (regoff & 0xff); isp_prt(isp, ISP_LOGDEBUG3, "isp_sbus_wr_reg(off %x) = %x", regoff, val); bus_space_write_2(sbs->sbus_st, sbs->sbus_sh, offset, val); } struct imush { struct ispsoftc *isp; int error; }; static void imc(void *, bus_dma_segment_t *, int, int); static void imc(void *arg, bus_dma_segment_t *segs, int nseg, int error) { struct imush *imushp = (struct imush *) arg; if (error) { imushp->error = error; } else { struct ispsoftc *isp =imushp->isp; bus_addr_t addr = segs->ds_addr; isp->isp_rquest_dma = addr; addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); isp->isp_result_dma = addr; } } /* * Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE */ #define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1) static int isp_sbus_mbxdma(struct ispsoftc *isp) { struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp; caddr_t base; u_int32_t len; int i, error, ns; struct imush im; /* * Already been here? If so, leave... */ if (isp->isp_rquest) { return (0); } ISP_UNLOCK(isp); if (bus_dma_tag_create(NULL, 1, BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT, ISP_NSEGS, BUS_SPACE_MAXADDR_24BIT, 0, busdma_lock_mutex, &Giant, &sbs->dmat)) { isp_prt(isp, ISP_LOGERR, "could not create master dma tag"); ISP_LOCK(isp); return(1); } len = sizeof (XS_T **) * isp->isp_maxcmds; isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); if (isp->isp_xflist == NULL) { isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array"); ISP_LOCK(isp); return (1); } len = sizeof (bus_dmamap_t) * isp->isp_maxcmds; sbs->dmaps = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK); if (sbs->dmaps == NULL) { isp_prt(isp, ISP_LOGERR, "can't alloc dma map storage"); free(isp->isp_xflist, M_DEVBUF); ISP_LOCK(isp); return (1); } /* * Allocate and map the request, result queues, plus FC scratch area. */ len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)); ns = (len / PAGE_SIZE) + 1; if (bus_dma_tag_create(sbs->dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT, NULL, NULL, len, ns, BUS_SPACE_MAXADDR_24BIT, 0, busdma_lock_mutex, &Giant, &isp->isp_cdmat)) { isp_prt(isp, ISP_LOGERR, "cannot create a dma tag for control spaces"); free(sbs->dmaps, M_DEVBUF); free(isp->isp_xflist, M_DEVBUF); ISP_LOCK(isp); return (1); } if (bus_dmamem_alloc(isp->isp_cdmat, (void **)&base, BUS_DMA_NOWAIT, &isp->isp_cdmap) != 0) { isp_prt(isp, ISP_LOGERR, "cannot allocate %d bytes of CCB memory", len); bus_dma_tag_destroy(isp->isp_cdmat); free(isp->isp_xflist, M_DEVBUF); free(sbs->dmaps, M_DEVBUF); ISP_LOCK(isp); return (1); } for (i = 0; i < isp->isp_maxcmds; i++) { error = bus_dmamap_create(sbs->dmat, 0, &sbs->dmaps[i]); if (error) { isp_prt(isp, ISP_LOGERR, "error %d creating per-cmd DMA maps", error); while (--i >= 0) { bus_dmamap_destroy(sbs->dmat, sbs->dmaps[i]); } goto bad; } } im.isp = isp; im.error = 0; bus_dmamap_load(isp->isp_cdmat, isp->isp_cdmap, base, len, imc, &im, 0); if (im.error) { isp_prt(isp, ISP_LOGERR, "error %d loading dma map for control areas", im.error); goto bad; } isp->isp_rquest = base; base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp)); ISP_LOCK(isp); isp->isp_result = base; return (0); bad: bus_dmamem_free(isp->isp_cdmat, base, isp->isp_cdmap); bus_dma_tag_destroy(isp->isp_cdmat); free(isp->isp_xflist, M_DEVBUF); free(sbs->dmaps, M_DEVBUF); ISP_LOCK(isp); isp->isp_rquest = NULL; return (1); } typedef struct { struct ispsoftc *isp; void *cmd_token; void *rq; u_int16_t *nxtip; u_int16_t optr; u_int error; } mush_t; #define MUSHERR_NOQENTRIES -2 static void dma2(void *, bus_dma_segment_t *, int, int); static void dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) { mush_t *mp; struct ispsoftc *isp; struct ccb_scsiio *csio; struct isp_sbussoftc *sbs; bus_dmamap_t *dp; bus_dma_segment_t *eseg; ispreq_t *rq; int seglim, datalen; u_int16_t nxti; mp = (mush_t *) arg; if (error) { mp->error = error; return; } if (nseg < 1) { isp_prt(mp->isp, ISP_LOGERR, "bad segment count (%d)", nseg); mp->error = EFAULT; return; } csio = mp->cmd_token; isp = mp->isp; rq = mp->rq; sbs = (struct isp_sbussoftc *)mp->isp; dp = &sbs->dmaps[isp_handle_index(rq->req_handle)]; nxti = *mp->nxtip; if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREREAD); } else { bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREWRITE); } datalen = XS_XFRLEN(csio); /* * We're passed an initial partially filled in entry that * has most fields filled in except for data transfer * related values. * * Our job is to fill in the initial request queue entry and * then to start allocating and filling in continuation entries * until we've covered the entire transfer. */ if (csio->cdb_len > 12) { seglim = 0; } else { seglim = ISP_RQDSEG; } if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { rq->req_flags |= REQFLAG_DATA_IN; } else { rq->req_flags |= REQFLAG_DATA_OUT; } eseg = dm_segs + nseg; while (datalen != 0 && rq->req_seg_count < seglim && dm_segs != eseg) { rq->req_dataseg[rq->req_seg_count].ds_base = dm_segs->ds_addr; rq->req_dataseg[rq->req_seg_count].ds_count = dm_segs->ds_len; datalen -= dm_segs->ds_len; rq->req_seg_count++; dm_segs++; } while (datalen > 0 && dm_segs != eseg) { u_int16_t onxti; ispcontreq_t local, *crq = &local, *cqe; cqe = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti); onxti = nxti; nxti = ISP_NXT_QENTRY(onxti, RQUEST_QUEUE_LEN(isp)); if (nxti == mp->optr) { isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++"); mp->error = MUSHERR_NOQENTRIES; return; } rq->req_header.rqs_entry_count++; MEMZERO((void *)crq, sizeof (*crq)); crq->req_header.rqs_entry_count = 1; crq->req_header.rqs_entry_type = RQSTYPE_DATASEG; seglim = 0; while (datalen > 0 && seglim < ISP_CDSEG && dm_segs != eseg) { crq->req_dataseg[seglim].ds_base = dm_segs->ds_addr; crq->req_dataseg[seglim].ds_count = dm_segs->ds_len; rq->req_seg_count++; dm_segs++; seglim++; datalen -= dm_segs->ds_len; } isp_put_cont_req(isp, crq, cqe); MEMORYBARRIER(isp, SYNC_REQUEST, onxti, QENTRY_LEN); } *mp->nxtip = nxti; } static int isp_sbus_dmasetup(struct ispsoftc *isp, struct ccb_scsiio *csio, ispreq_t *rq, u_int16_t *nxtip, u_int16_t optr) { struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp; ispreq_t *qep; bus_dmamap_t *dp = NULL; mush_t mush, *mp; void (*eptr)(void *, bus_dma_segment_t *, int, int); qep = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, isp->isp_reqidx); eptr = dma2; if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) { rq->req_seg_count = 1; goto mbxsync; } /* * Do a virtual grapevine step to collect info for * the callback dma allocation that we have to use... */ mp = &mush; mp->isp = isp; mp->cmd_token = csio; mp->rq = rq; mp->nxtip = nxtip; mp->optr = optr; mp->error = 0; if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) { if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) { int error, s; dp = &sbs->dmaps[isp_handle_index(rq->req_handle)]; s = splsoftvm(); error = bus_dmamap_load(sbs->dmat, *dp, csio->data_ptr, csio->dxfer_len, eptr, mp, 0); if (error == EINPROGRESS) { bus_dmamap_unload(sbs->dmat, *dp); mp->error = EINVAL; isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported"); } else if (error && mp->error == 0) { #ifdef DIAGNOSTIC isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error); #endif mp->error = error; } splx(s); } else { /* Pointer to physical buffer */ struct bus_dma_segment seg; seg.ds_addr = (bus_addr_t)csio->data_ptr; seg.ds_len = csio->dxfer_len; (*eptr)(mp, &seg, 1, 0); } } else { struct bus_dma_segment *segs; if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) { isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported"); mp->error = EINVAL; } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) { isp_prt(isp, ISP_LOGERR, "Virtual segment addresses unsupported"); mp->error = EINVAL; } else { /* Just use the segments provided */ segs = (struct bus_dma_segment *) csio->data_ptr; (*eptr)(mp, segs, csio->sglist_cnt, 0); } } if (mp->error) { int retval = CMD_COMPLETE; if (mp->error == MUSHERR_NOQENTRIES) { retval = CMD_EAGAIN; } else if (mp->error == EFBIG) { XS_SETERR(csio, CAM_REQ_TOO_BIG); } else if (mp->error == EINVAL) { XS_SETERR(csio, CAM_REQ_INVALID); } else { XS_SETERR(csio, CAM_UNREC_HBA_ERROR); } return (retval); } mbxsync: switch (rq->req_header.rqs_entry_type) { case RQSTYPE_REQUEST: isp_put_request(isp, rq, qep); break; case RQSTYPE_CMDONLY: isp_put_extended_request(isp, (ispextreq_t *)rq, (ispextreq_t *)qep); break; } return (CMD_QUEUED); } static void isp_sbus_dmateardown(struct ispsoftc *isp, XS_T *xs, u_int16_t handle) { struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp; bus_dmamap_t *dp = &sbs->dmaps[isp_handle_index(handle)]; if ((xs->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) { bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTREAD); } else { bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTWRITE); } bus_dmamap_unload(sbs->dmat, *dp); } static void isp_sbus_reset1(struct ispsoftc *isp) { /* enable interrupts */ ENABLE_INTS(isp); } static void isp_sbus_dumpregs(struct ispsoftc *isp, const char *msg) { if (msg) printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg); else printf("%s:\n", device_get_nameunit(isp->isp_dev)); printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1)); printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR), ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA)); printf("risc_hccr=%x\n", ISP_READ(isp, HCCR)); ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE); printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n", ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS), ISP_READ(isp, CDMA_FIFO_STS)); printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n", ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS), ISP_READ(isp, DDMA_FIFO_STS)); printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n", ISP_READ(isp, SXP_INTERRUPT), ISP_READ(isp, SXP_GROSS_ERR), ISP_READ(isp, SXP_PINS_CTRL)); ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE); printf(" mbox regs: %x %x %x %x %x\n", ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1), ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3), ISP_READ(isp, OUTMAILBOX4)); }