2 * Copyright (c) 1997-2006 by Matthew Jacob
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice immediately at the beginning of the file, without modification,
10 * this list of conditions, and the following disclaimer.
11 * 2. The name of the author may not be used to endorse or promote products
12 * derived from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SBus specific probe and attach routines for Qlogic ISP SCSI adapters.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #if __FreeBSD_version >= 700000
37 #include <sys/linker.h>
38 #include <sys/firmware.h>
41 #include <sys/kernel.h>
42 #include <sys/module.h>
43 #include <sys/resource.h>
45 #include <dev/ofw/ofw_bus.h>
47 #include <machine/bus.h>
48 #include <machine/resource.h>
50 #include <sparc64/sbus/sbusvar.h>
52 #include <dev/isp/isp_freebsd.h>
54 static uint16_t isp_sbus_rd_reg(ispsoftc_t *, int);
55 static void isp_sbus_wr_reg(ispsoftc_t *, int, uint16_t);
57 isp_sbus_rd_isr(ispsoftc_t *, uint16_t *, uint16_t *, uint16_t *);
58 static int isp_sbus_mbxdma(ispsoftc_t *);
60 isp_sbus_dmasetup(ispsoftc_t *, XS_T *, ispreq_t *, uint16_t *, uint16_t);
62 isp_sbus_dmateardown(ispsoftc_t *, XS_T *, uint16_t);
64 static void isp_sbus_reset1(ispsoftc_t *);
65 static void isp_sbus_dumpregs(ispsoftc_t *, const char *);
67 static struct ispmdvec mdvec = {
78 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
81 static int isp_sbus_probe (device_t);
82 static int isp_sbus_attach (device_t);
85 struct isp_sbussoftc {
88 struct resource * sbus_reg;
89 bus_space_tag_t sbus_st;
90 bus_space_handle_t sbus_sh;
92 int16_t sbus_poff[_NREG_BLKS];
96 struct ispmdvec sbus_mdvec;
97 struct resource * sbus_ires;
101 static device_method_t isp_sbus_methods[] = {
102 /* Device interface */
103 DEVMETHOD(device_probe, isp_sbus_probe),
104 DEVMETHOD(device_attach, isp_sbus_attach),
107 static void isp_sbus_intr(void *);
109 static driver_t isp_sbus_driver = {
110 "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
112 static devclass_t isp_devclass;
113 DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
114 #if __FreeBSD_version >= 700000
115 MODULE_DEPEND(isp, firmware, 1, 1, 1);
117 typedef void ispfwfunc(int, int, int, uint16_t **);
118 extern ispfwfunc *isp_get_firmware_p;
122 isp_sbus_probe(device_t dev)
125 const char *name = ofw_bus_get_name(dev);
126 if (strcmp(name, "SUNW,isp") == 0 ||
127 strcmp(name, "QLGC,isp") == 0 ||
128 strcmp(name, "ptisp") == 0 ||
129 strcmp(name, "PTI,ptisp") == 0) {
135 if (isp_announced == 0 && bootverbose) {
136 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
137 "Core Version %d.%d\n",
138 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
139 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
146 isp_sbus_attach(device_t dev)
148 struct resource *regs;
149 int tval, iqd, isp_debug, role, rid, ispburst;
150 struct isp_sbussoftc *sbs;
151 ispsoftc_t *isp = NULL;
155 * Figure out if we're supposed to skip this one.
156 * If we are, we actually go to ISP_ROLE_NONE.
160 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
161 "disable", &tval) == 0 && tval) {
162 device_printf(dev, "device is disabled\n");
163 /* but return 0 so the !$)$)*!$*) unit isn't reused */
168 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
169 "role", &role) == 0 &&
170 ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
171 device_printf(dev, "setting role to 0x%x\n", role);
173 #ifdef ISP_TARGET_MODE
174 role = ISP_ROLE_INITIATOR|ISP_ROLE_TARGET;
176 role = ISP_DEFAULT_ROLES;
180 sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
182 device_printf(dev, "cannot allocate softc\n");
191 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
193 device_printf(dev, "unable to map registers\n");
197 sbs->sbus_reg = regs;
198 sbs->sbus_st = rman_get_bustag(regs);
199 sbs->sbus_sh = rman_get_bushandle(regs);
200 sbs->sbus_mdvec = mdvec;
202 sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
203 sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
204 sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
205 sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
206 sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
207 isp = &sbs->sbus_isp;
208 isp->isp_mdvec = &sbs->sbus_mdvec;
209 isp->isp_bustype = ISP_BT_SBUS;
210 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
211 isp->isp_param = &sbs->sbus_param;
212 isp->isp_revision = 0; /* XXX */
213 isp->isp_role = role;
217 * Get the clock frequency and convert it from HZ to MHz,
218 * rounding up. This defaults to 25MHz if there isn't a
219 * device specific one in the OFW device tree.
221 sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
224 * Now figure out what the proper burst sizes, etc., to use.
225 * Unfortunately, there is no ddi_dma_burstsizes here which
226 * walks up the tree finding the limiting burst size node (if
227 * any). We just use what's here for isp.
229 ispburst = sbus_get_burstsz(dev);
231 ispburst = SBUS_BURST_32 - 1;
233 sbs->sbus_mdvec.dv_conf1 = 0;
234 if (ispburst & (1 << 5)) {
235 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
236 } else if (ispburst & (1 << 4)) {
237 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
238 } else if (ispburst & (1 << 3)) {
239 sbs->sbus_mdvec.dv_conf1 =
240 BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
242 if (sbs->sbus_mdvec.dv_conf1) {
243 sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
247 * Some early versions of the PTI SBus adapter
248 * would fail in trying to download (via poking)
249 * FW. We give up on them.
251 if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
252 strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
253 isp->isp_confopts |= ISP_CFG_NORELOAD;
257 * We don't trust NVRAM on SBus cards
259 isp->isp_confopts |= ISP_CFG_NONVRAM;
262 #if __FreeBSD_version >= 700000
263 isp->isp_osinfo.fw = firmware_get("isp_1000");
264 if (isp->isp_osinfo.fw) {
269 stupid.cp = isp->isp_osinfo.fw->data;
270 isp->isp_mdvec->dv_ispfw = stupid.sp;
274 * Try and find firmware for this device.
276 if (isp_get_firmware_p) {
277 (*isp_get_firmware_p)(0, 0, 0x1000, &sbs->sbus_mdvec.dv_ispfw);
282 sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
283 RF_ACTIVE | RF_SHAREABLE);
284 if (sbs->sbus_ires == NULL) {
285 device_printf(dev, "could not allocate interrupt\n");
290 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
291 "fwload_disable", &tval) == 0 && tval != 0) {
292 isp->isp_confopts |= ISP_CFG_NORELOAD;
295 isp->isp_osinfo.default_id = -1;
296 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
297 "iid", &tval) == 0) {
298 isp->isp_osinfo.default_id = tval;
299 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
301 if (isp->isp_osinfo.default_id == -1) {
303 * XXX: should be a way to get properties w/o having
304 * XXX: to call OF_xxx functions
306 isp->isp_osinfo.default_id = 7;
310 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
311 "debug", &isp_debug);
313 /* Make sure the lock is set up. */
314 mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
317 if (bus_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS,
318 isp_sbus_intr, isp, &sbs->ih)) {
319 device_printf(dev, "could not setup interrupt\n");
324 * Set up logging levels.
327 isp->isp_dblev = isp_debug;
329 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
332 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
335 * Make sure we're in reset state.
339 if (isp->isp_state != ISP_RESETSTATE) {
344 if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_INITSTATE) {
350 if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_RUNSTATE) {
356 * XXXX: Here is where we might unload the f/w module
357 * XXXX: (or decrease the reference count to it).
364 if (sbs && sbs->ih) {
365 (void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
368 if (locksetup && isp) {
369 mtx_destroy(&isp->isp_osinfo.lock);
372 if (sbs && sbs->sbus_ires) {
373 bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
378 (void) bus_release_resource(dev, 0, 0, regs);
382 if (sbs->sbus_isp.isp_param)
383 free(sbs->sbus_isp.isp_param, M_DEVBUF);
388 * XXXX: Here is where we might unload the f/w module
389 * XXXX: (or decrease the reference count to it).
395 isp_sbus_intr(void *arg)
397 ispsoftc_t *isp = arg;
398 uint16_t isr, sema, mbox;
402 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
405 int iok = isp->isp_osinfo.intsok;
406 isp->isp_osinfo.intsok = 0;
407 isp_intr(isp, isr, sema, mbox);
408 isp->isp_osinfo.intsok = iok;
413 #define IspVirt2Off(a, x) \
414 (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
415 _BLK_REG_SHFT] + ((x) & 0xff))
417 #define BXR2(sbc, off) \
418 bus_space_read_2(sbc->sbus_st, sbc->sbus_sh, off)
421 isp_sbus_rd_isr(ispsoftc_t *isp, uint16_t *isrp,
422 uint16_t *semap, uint16_t *mbp)
424 struct isp_sbussoftc *sbc = (struct isp_sbussoftc *) isp;
427 isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR));
428 sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA));
429 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
430 isr &= INT_PENDING_MASK(isp);
431 sema &= BIU_SEMA_LOCK;
432 if (isr == 0 && sema == 0) {
436 if ((*semap = sema) != 0) {
437 *mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0));
443 isp_sbus_rd_reg(ispsoftc_t *isp, int regoff)
446 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
447 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
448 offset += (regoff & 0xff);
449 rval = bus_space_read_2(sbs->sbus_st, sbs->sbus_sh, offset);
450 isp_prt(isp, ISP_LOGDEBUG3,
451 "isp_sbus_rd_reg(off %x) = %x", regoff, rval);
456 isp_sbus_wr_reg(ispsoftc_t *isp, int regoff, uint16_t val)
458 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
459 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
460 offset += (regoff & 0xff);
461 isp_prt(isp, ISP_LOGDEBUG3,
462 "isp_sbus_wr_reg(off %x) = %x", regoff, val);
463 bus_space_write_2(sbs->sbus_st, sbs->sbus_sh, offset, val);
471 static void imc(void *, bus_dma_segment_t *, int, int);
474 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
476 struct imush *imushp = (struct imush *) arg;
478 imushp->error = error;
480 ispsoftc_t *isp =imushp->isp;
481 bus_addr_t addr = segs->ds_addr;
483 isp->isp_rquest_dma = addr;
484 addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
485 isp->isp_result_dma = addr;
490 * Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE
492 #define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1)
495 isp_sbus_mbxdma(ispsoftc_t *isp)
497 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
504 * Already been here? If so, leave...
506 if (isp->isp_rquest) {
512 if (bus_dma_tag_create(NULL, 1, BUS_SPACE_MAXADDR_24BIT+1,
513 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT,
514 NULL, NULL, BUS_SPACE_MAXSIZE_32BIT, ISP_NSEGS,
515 BUS_SPACE_MAXADDR_24BIT, 0, busdma_lock_mutex, &Giant,
517 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
522 len = sizeof (XS_T **) * isp->isp_maxcmds;
523 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
524 if (isp->isp_xflist == NULL) {
525 isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
529 len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
530 sbs->dmaps = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
531 if (sbs->dmaps == NULL) {
532 isp_prt(isp, ISP_LOGERR, "can't alloc dma map storage");
533 free(isp->isp_xflist, M_DEVBUF);
539 * Allocate and map the request, result queues, plus FC scratch area.
541 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
542 len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
544 ns = (len / PAGE_SIZE) + 1;
545 if (bus_dma_tag_create(sbs->dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT+1,
546 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT, NULL, NULL,
547 len, ns, BUS_SPACE_MAXADDR_24BIT, 0, busdma_lock_mutex, &Giant,
549 isp_prt(isp, ISP_LOGERR,
550 "cannot create a dma tag for control spaces");
551 free(sbs->dmaps, M_DEVBUF);
552 free(isp->isp_xflist, M_DEVBUF);
557 if (bus_dmamem_alloc(isp->isp_cdmat, (void **)&base, BUS_DMA_NOWAIT,
558 &isp->isp_cdmap) != 0) {
559 isp_prt(isp, ISP_LOGERR,
560 "cannot allocate %d bytes of CCB memory", len);
561 bus_dma_tag_destroy(isp->isp_cdmat);
562 free(isp->isp_xflist, M_DEVBUF);
563 free(sbs->dmaps, M_DEVBUF);
568 for (i = 0; i < isp->isp_maxcmds; i++) {
569 error = bus_dmamap_create(sbs->dmat, 0, &sbs->dmaps[i]);
571 isp_prt(isp, ISP_LOGERR,
572 "error %d creating per-cmd DMA maps", error);
574 bus_dmamap_destroy(sbs->dmat, sbs->dmaps[i]);
582 bus_dmamap_load(isp->isp_cdmat, isp->isp_cdmap, base, len, imc, &im, 0);
584 isp_prt(isp, ISP_LOGERR,
585 "error %d loading dma map for control areas", im.error);
589 isp->isp_rquest = base;
590 base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
592 isp->isp_result = base;
596 bus_dmamem_free(isp->isp_cdmat, base, isp->isp_cdmap);
597 bus_dma_tag_destroy(isp->isp_cdmat);
598 free(isp->isp_xflist, M_DEVBUF);
599 free(sbs->dmaps, M_DEVBUF);
601 isp->isp_rquest = NULL;
614 #define MUSHERR_NOQENTRIES -2
617 static void dma2(void *, bus_dma_segment_t *, int, int);
620 dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
624 struct ccb_scsiio *csio;
625 struct isp_sbussoftc *sbs;
627 bus_dma_segment_t *eseg;
639 isp_prt(mp->isp, ISP_LOGERR, "bad segment count (%d)", nseg);
643 csio = mp->cmd_token;
646 sbs = (struct isp_sbussoftc *)mp->isp;
647 dp = &sbs->dmaps[isp_handle_index(rq->req_handle)];
650 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
651 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREREAD);
653 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREWRITE);
656 datalen = XS_XFRLEN(csio);
659 * We're passed an initial partially filled in entry that
660 * has most fields filled in except for data transfer
663 * Our job is to fill in the initial request queue entry and
664 * then to start allocating and filling in continuation entries
665 * until we've covered the entire transfer.
668 if (csio->cdb_len > 12) {
673 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
674 rq->req_flags |= REQFLAG_DATA_IN;
676 rq->req_flags |= REQFLAG_DATA_OUT;
679 eseg = dm_segs + nseg;
681 while (datalen != 0 && rq->req_seg_count < seglim && dm_segs != eseg) {
682 rq->req_dataseg[rq->req_seg_count].ds_base = dm_segs->ds_addr;
683 rq->req_dataseg[rq->req_seg_count].ds_count = dm_segs->ds_len;
684 datalen -= dm_segs->ds_len;
689 while (datalen > 0 && dm_segs != eseg) {
691 ispcontreq_t local, *crq = &local, *cqe;
693 cqe = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti);
695 nxti = ISP_NXT_QENTRY(onxti, RQUEST_QUEUE_LEN(isp));
696 if (nxti == mp->optr) {
697 isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
698 mp->error = MUSHERR_NOQENTRIES;
701 rq->req_header.rqs_entry_count++;
702 MEMZERO((void *)crq, sizeof (*crq));
703 crq->req_header.rqs_entry_count = 1;
704 crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
707 while (datalen > 0 && seglim < ISP_CDSEG && dm_segs != eseg) {
708 crq->req_dataseg[seglim].ds_base =
710 crq->req_dataseg[seglim].ds_count =
715 datalen -= dm_segs->ds_len;
717 isp_put_cont_req(isp, crq, cqe);
718 MEMORYBARRIER(isp, SYNC_REQUEST, onxti, QENTRY_LEN);
724 isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, ispreq_t *rq,
725 uint16_t *nxtip, uint16_t optr)
727 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
729 bus_dmamap_t *dp = NULL;
731 void (*eptr)(void *, bus_dma_segment_t *, int, int);
733 qep = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, isp->isp_reqidx);
737 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE ||
738 (csio->dxfer_len == 0)) {
739 rq->req_seg_count = 1;
744 * Do a virtual grapevine step to collect info for
745 * the callback dma allocation that we have to use...
749 mp->cmd_token = csio;
755 if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
756 if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
758 dp = &sbs->dmaps[isp_handle_index(rq->req_handle)];
760 error = bus_dmamap_load(sbs->dmat, *dp,
761 csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
762 if (error == EINPROGRESS) {
763 bus_dmamap_unload(sbs->dmat, *dp);
765 isp_prt(isp, ISP_LOGERR,
766 "deferred dma allocation not supported");
767 } else if (error && mp->error == 0) {
769 isp_prt(isp, ISP_LOGERR,
770 "error %d in dma mapping code", error);
776 /* Pointer to physical buffer */
777 struct bus_dma_segment seg;
778 seg.ds_addr = (bus_addr_t)csio->data_ptr;
779 seg.ds_len = csio->dxfer_len;
780 (*eptr)(mp, &seg, 1, 0);
783 struct bus_dma_segment *segs;
785 if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
786 isp_prt(isp, ISP_LOGERR,
787 "Physical segment pointers unsupported");
789 } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
790 isp_prt(isp, ISP_LOGERR,
791 "Virtual segment addresses unsupported");
794 /* Just use the segments provided */
795 segs = (struct bus_dma_segment *) csio->data_ptr;
796 (*eptr)(mp, segs, csio->sglist_cnt, 0);
800 int retval = CMD_COMPLETE;
801 if (mp->error == MUSHERR_NOQENTRIES) {
803 } else if (mp->error == EFBIG) {
804 XS_SETERR(csio, CAM_REQ_TOO_BIG);
805 } else if (mp->error == EINVAL) {
806 XS_SETERR(csio, CAM_REQ_INVALID);
808 XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
813 switch (rq->req_header.rqs_entry_type) {
814 case RQSTYPE_REQUEST:
815 isp_put_request(isp, rq, qep);
817 case RQSTYPE_CMDONLY:
818 isp_put_extended_request(isp, (ispextreq_t *)rq,
826 isp_sbus_dmateardown(ispsoftc_t *isp, XS_T *xs, uint16_t handle)
828 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
829 bus_dmamap_t *dp = &sbs->dmaps[isp_handle_index(handle)];
830 if ((xs->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
831 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTREAD);
833 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTWRITE);
835 bus_dmamap_unload(sbs->dmat, *dp);
840 isp_sbus_reset1(ispsoftc_t *isp)
842 /* enable interrupts */
847 isp_sbus_dumpregs(ispsoftc_t *isp, const char *msg)
850 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
852 printf("%s:\n", device_get_nameunit(isp->isp_dev));
853 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
854 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
855 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
856 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
859 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
860 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
861 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
862 ISP_READ(isp, CDMA_FIFO_STS));
863 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
864 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
865 ISP_READ(isp, DDMA_FIFO_STS));
866 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
867 ISP_READ(isp, SXP_INTERRUPT),
868 ISP_READ(isp, SXP_GROSS_ERR),
869 ISP_READ(isp, SXP_PINS_CTRL));
870 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
871 printf(" mbox regs: %x %x %x %x %x\n",
872 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
873 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
874 ISP_READ(isp, OUTMAILBOX4));