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>
55 isp_sbus_rd_reg(ispsoftc_t *, int);
57 isp_sbus_wr_reg(ispsoftc_t *, int, uint32_t);
59 isp_sbus_rd_isr(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
60 static int isp_sbus_mbxdma(ispsoftc_t *);
62 isp_sbus_dmasetup(ispsoftc_t *, XS_T *, ispreq_t *, uint32_t *, uint32_t);
64 isp_sbus_dmateardown(ispsoftc_t *, XS_T *, uint32_t);
66 static void isp_sbus_reset0(ispsoftc_t *);
67 static void isp_sbus_reset1(ispsoftc_t *);
68 static void isp_sbus_dumpregs(ispsoftc_t *, const char *);
70 static struct ispmdvec mdvec = {
81 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
84 static int isp_sbus_probe (device_t);
85 static int isp_sbus_attach (device_t);
88 struct isp_sbussoftc {
91 struct resource * sbus_reg;
92 bus_space_tag_t sbus_st;
93 bus_space_handle_t sbus_sh;
95 int16_t sbus_poff[_NREG_BLKS];
99 struct ispmdvec sbus_mdvec;
100 struct resource * sbus_ires;
104 static device_method_t isp_sbus_methods[] = {
105 /* Device interface */
106 DEVMETHOD(device_probe, isp_sbus_probe),
107 DEVMETHOD(device_attach, isp_sbus_attach),
110 static void isp_sbus_intr(void *);
112 static driver_t isp_sbus_driver = {
113 "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
115 static devclass_t isp_devclass;
116 DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
117 #if __FreeBSD_version < 700000
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;
156 * Figure out if we're supposed to skip this one.
157 * If we are, we actually go to ISP_ROLE_NONE.
161 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
162 "disable", &tval) == 0 && tval) {
163 device_printf(dev, "device is disabled\n");
164 /* but return 0 so the !$)$)*!$*) unit isn't reused */
169 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
170 "role", &role) == 0 &&
171 ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
172 device_printf(dev, "setting role to 0x%x\n", role);
174 #ifdef ISP_TARGET_MODE
175 role = ISP_ROLE_INITIATOR|ISP_ROLE_TARGET;
177 role = ISP_DEFAULT_ROLES;
181 sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
183 device_printf(dev, "cannot allocate softc\n");
190 regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
192 device_printf(dev, "unable to map registers\n");
196 sbs->sbus_reg = regs;
197 sbs->sbus_st = rman_get_bustag(regs);
198 sbs->sbus_sh = rman_get_bushandle(regs);
199 sbs->sbus_mdvec = mdvec;
201 sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
202 sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
203 sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
204 sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
205 sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
206 isp = &sbs->sbus_isp;
207 isp->isp_mdvec = &sbs->sbus_mdvec;
208 isp->isp_bustype = ISP_BT_SBUS;
209 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
210 isp->isp_param = &sbs->sbus_param;
211 isp->isp_revision = 0; /* XXX */
212 isp->isp_role = role;
216 * Get the clock frequency and convert it from HZ to MHz,
217 * rounding up. This defaults to 25MHz if there isn't a
218 * device specific one in the OFW device tree.
220 sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
223 * Now figure out what the proper burst sizes, etc., to use.
224 * Unfortunately, there is no ddi_dma_burstsizes here which
225 * walks up the tree finding the limiting burst size node (if
226 * any). We just use what's here for isp.
228 ispburst = sbus_get_burstsz(dev);
230 ispburst = SBUS_BURST_32 - 1;
232 sbs->sbus_mdvec.dv_conf1 = 0;
233 if (ispburst & (1 << 5)) {
234 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
235 } else if (ispburst & (1 << 4)) {
236 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
237 } else if (ispburst & (1 << 3)) {
238 sbs->sbus_mdvec.dv_conf1 =
239 BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
241 if (sbs->sbus_mdvec.dv_conf1) {
242 sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
246 * We don't trust NVRAM on SBus cards
248 isp->isp_confopts |= ISP_CFG_NONVRAM;
251 * Mark things if we're a PTI SBus adapter.
253 if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
254 strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
255 SDPARAM(isp)->isp_ptisp = 1;
259 #if __FreeBSD_version >= 700000
260 isp->isp_osinfo.fw = firmware_get("isp_1000");
261 if (isp->isp_osinfo.fw) {
266 stupid.cp = isp->isp_osinfo.fw->data;
267 isp->isp_mdvec->dv_ispfw = stupid.sp;
271 * Try and find firmware for this device.
273 if (isp_get_firmware_p) {
274 (*isp_get_firmware_p)(0, 0, 0x1000, &sbs->sbus_mdvec.dv_ispfw);
279 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
280 "fwload_disable", &tval) == 0 && tval != 0) {
281 isp->isp_confopts |= ISP_CFG_NORELOAD;
284 isp->isp_osinfo.default_id = -1;
285 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
286 "iid", &tval) == 0) {
287 isp->isp_osinfo.default_id = tval;
288 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
290 if (isp->isp_osinfo.default_id == -1) {
292 * XXX: should be a way to get properties w/o having
293 * XXX: to call OF_xxx functions
295 isp->isp_osinfo.default_id = 7;
299 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
300 "debug", &isp_debug);
302 /* Make sure the lock is set up. */
303 mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
307 sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
308 RF_ACTIVE | RF_SHAREABLE);
309 if (sbs->sbus_ires == NULL) {
310 device_printf(dev, "could not allocate interrupt\n");
314 if (bus_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS,
315 isp_sbus_intr, isp, &sbs->ih)) {
316 device_printf(dev, "could not setup interrupt\n");
322 * Set up logging levels.
325 isp->isp_dblev = isp_debug;
327 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
330 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
334 * Make sure we're in reset state.
338 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) {
360 if (sbs && ints_setup) {
361 (void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
364 if (sbs && sbs->sbus_ires) {
365 bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
368 if (locksetup && isp) {
369 mtx_destroy(&isp->isp_osinfo.lock);
373 (void) bus_release_resource(dev, 0, 0, regs);
377 if (sbs->sbus_isp.isp_param) {
378 free(sbs->sbus_isp.isp_param, M_DEVBUF);
386 isp_sbus_intr(void *arg)
388 ispsoftc_t *isp = arg;
394 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
397 isp_intr(isp, isr, sema, mbox);
402 #define IspVirt2Off(a, x) \
403 (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
404 _BLK_REG_SHFT] + ((x) & 0xff))
406 #define BXR2(sbc, off) \
407 bus_space_read_2(sbc->sbus_st, sbc->sbus_sh, off)
410 isp_sbus_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
412 struct isp_sbussoftc *sbc = (struct isp_sbussoftc *) isp;
415 isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR));
416 sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA));
417 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
418 isr &= INT_PENDING_MASK(isp);
419 sema &= BIU_SEMA_LOCK;
420 if (isr == 0 && sema == 0) {
424 if ((*semap = sema) != 0) {
425 *mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0));
431 isp_sbus_rd_reg(ispsoftc_t *isp, int regoff)
434 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
435 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
436 offset += (regoff & 0xff);
437 rval = bus_space_read_2(sbs->sbus_st, sbs->sbus_sh, offset);
438 isp_prt(isp, ISP_LOGDEBUG3,
439 "isp_sbus_rd_reg(off %x) = %x", regoff, rval);
444 isp_sbus_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
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 isp_prt(isp, ISP_LOGDEBUG3,
450 "isp_sbus_wr_reg(off %x) = %x", regoff, val);
451 bus_space_write_2(sbs->sbus_st, sbs->sbus_sh, offset, val);
459 static void imc(void *, bus_dma_segment_t *, int, int);
462 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
464 struct imush *imushp = (struct imush *) arg;
466 imushp->error = error;
468 ispsoftc_t *isp =imushp->isp;
469 bus_addr_t addr = segs->ds_addr;
471 isp->isp_rquest_dma = addr;
472 addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
473 isp->isp_result_dma = addr;
478 * Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE
480 #define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1)
483 isp_sbus_mbxdma(ispsoftc_t *isp)
485 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
492 * Already been here? If so, leave...
494 if (isp->isp_rquest) {
500 if (bus_dma_tag_create(NULL, 1, BUS_SPACE_MAXADDR_24BIT+1,
501 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT,
502 NULL, NULL, BUS_SPACE_MAXSIZE_32BIT, ISP_NSEGS,
503 BUS_SPACE_MAXADDR_24BIT, 0, busdma_lock_mutex, &Giant,
505 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
510 len = sizeof (XS_T **) * isp->isp_maxcmds;
511 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
512 if (isp->isp_xflist == NULL) {
513 isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
517 len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
518 sbs->dmaps = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
519 if (sbs->dmaps == NULL) {
520 isp_prt(isp, ISP_LOGERR, "can't alloc dma map storage");
521 free(isp->isp_xflist, M_DEVBUF);
527 * Allocate and map the request, result queues, plus FC scratch area.
529 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
530 len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
532 ns = (len / PAGE_SIZE) + 1;
533 if (bus_dma_tag_create(sbs->dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT+1,
534 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT, NULL, NULL,
535 len, ns, BUS_SPACE_MAXADDR_24BIT, 0, busdma_lock_mutex, &Giant,
537 isp_prt(isp, ISP_LOGERR,
538 "cannot create a dma tag for control spaces");
539 free(sbs->dmaps, M_DEVBUF);
540 free(isp->isp_xflist, M_DEVBUF);
545 if (bus_dmamem_alloc(isp->isp_cdmat, (void **)&base, BUS_DMA_NOWAIT,
546 &isp->isp_cdmap) != 0) {
547 isp_prt(isp, ISP_LOGERR,
548 "cannot allocate %d bytes of CCB memory", len);
549 bus_dma_tag_destroy(isp->isp_cdmat);
550 free(isp->isp_xflist, M_DEVBUF);
551 free(sbs->dmaps, M_DEVBUF);
556 for (i = 0; i < isp->isp_maxcmds; i++) {
557 error = bus_dmamap_create(sbs->dmat, 0, &sbs->dmaps[i]);
559 isp_prt(isp, ISP_LOGERR,
560 "error %d creating per-cmd DMA maps", error);
562 bus_dmamap_destroy(sbs->dmat, sbs->dmaps[i]);
570 bus_dmamap_load(isp->isp_cdmat, isp->isp_cdmap, base, len, imc, &im, 0);
572 isp_prt(isp, ISP_LOGERR,
573 "error %d loading dma map for control areas", im.error);
577 isp->isp_rquest = base;
578 base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
580 isp->isp_result = base;
584 bus_dmamem_free(isp->isp_cdmat, base, isp->isp_cdmap);
585 bus_dma_tag_destroy(isp->isp_cdmat);
586 free(isp->isp_xflist, M_DEVBUF);
587 free(sbs->dmaps, M_DEVBUF);
589 isp->isp_rquest = NULL;
602 #define MUSHERR_NOQENTRIES -2
605 static void dma2(void *, bus_dma_segment_t *, int, int);
608 dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
612 struct ccb_scsiio *csio;
613 struct isp_sbussoftc *sbs;
615 bus_dma_segment_t *eseg;
627 isp_prt(mp->isp, ISP_LOGERR, "bad segment count (%d)", nseg);
631 csio = mp->cmd_token;
634 sbs = (struct isp_sbussoftc *)mp->isp;
635 dp = &sbs->dmaps[isp_handle_index(rq->req_handle)];
638 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
639 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREREAD);
641 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREWRITE);
644 datalen = XS_XFRLEN(csio);
647 * We're passed an initial partially filled in entry that
648 * has most fields filled in except for data transfer
651 * Our job is to fill in the initial request queue entry and
652 * then to start allocating and filling in continuation entries
653 * until we've covered the entire transfer.
656 if (csio->cdb_len > 12) {
661 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
662 rq->req_flags |= REQFLAG_DATA_IN;
664 rq->req_flags |= REQFLAG_DATA_OUT;
667 eseg = dm_segs + nseg;
669 while (datalen != 0 && rq->req_seg_count < seglim && dm_segs != eseg) {
670 rq->req_dataseg[rq->req_seg_count].ds_base = dm_segs->ds_addr;
671 rq->req_dataseg[rq->req_seg_count].ds_count = dm_segs->ds_len;
672 datalen -= dm_segs->ds_len;
677 while (datalen > 0 && dm_segs != eseg) {
679 ispcontreq_t local, *crq = &local, *cqe;
681 cqe = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti);
683 nxti = ISP_NXT_QENTRY(onxti, RQUEST_QUEUE_LEN(isp));
684 if (nxti == mp->optr) {
685 isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
686 mp->error = MUSHERR_NOQENTRIES;
689 rq->req_header.rqs_entry_count++;
690 MEMZERO((void *)crq, sizeof (*crq));
691 crq->req_header.rqs_entry_count = 1;
692 crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
695 while (datalen > 0 && seglim < ISP_CDSEG && dm_segs != eseg) {
696 crq->req_dataseg[seglim].ds_base =
698 crq->req_dataseg[seglim].ds_count =
703 datalen -= dm_segs->ds_len;
705 isp_put_cont_req(isp, crq, cqe);
706 MEMORYBARRIER(isp, SYNC_REQUEST, onxti, QENTRY_LEN);
712 isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, ispreq_t *rq,
713 uint32_t *nxtip, uint32_t optr)
715 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
717 bus_dmamap_t *dp = NULL;
719 void (*eptr)(void *, bus_dma_segment_t *, int, int);
721 qep = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, isp->isp_reqidx);
725 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE ||
726 (csio->dxfer_len == 0)) {
727 rq->req_seg_count = 1;
732 * Do a virtual grapevine step to collect info for
733 * the callback dma allocation that we have to use...
737 mp->cmd_token = csio;
743 if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
744 if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
746 dp = &sbs->dmaps[isp_handle_index(rq->req_handle)];
748 error = bus_dmamap_load(sbs->dmat, *dp,
749 csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
750 if (error == EINPROGRESS) {
751 bus_dmamap_unload(sbs->dmat, *dp);
753 isp_prt(isp, ISP_LOGERR,
754 "deferred dma allocation not supported");
755 } else if (error && mp->error == 0) {
757 isp_prt(isp, ISP_LOGERR,
758 "error %d in dma mapping code", error);
764 /* Pointer to physical buffer */
765 struct bus_dma_segment seg;
766 seg.ds_addr = (bus_addr_t)csio->data_ptr;
767 seg.ds_len = csio->dxfer_len;
768 (*eptr)(mp, &seg, 1, 0);
771 struct bus_dma_segment *segs;
773 if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
774 isp_prt(isp, ISP_LOGERR,
775 "Physical segment pointers unsupported");
777 } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
778 isp_prt(isp, ISP_LOGERR,
779 "Virtual segment addresses unsupported");
782 /* Just use the segments provided */
783 segs = (struct bus_dma_segment *) csio->data_ptr;
784 (*eptr)(mp, segs, csio->sglist_cnt, 0);
788 int retval = CMD_COMPLETE;
789 if (mp->error == MUSHERR_NOQENTRIES) {
791 } else if (mp->error == EFBIG) {
792 XS_SETERR(csio, CAM_REQ_TOO_BIG);
793 } else if (mp->error == EINVAL) {
794 XS_SETERR(csio, CAM_REQ_INVALID);
796 XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
801 if (isp->isp_dblev & ISP_LOGDEBUG1) {
802 isp_print_bytes(isp, "Request Queue Entry", QENTRY_LEN, rq);
804 switch (rq->req_header.rqs_entry_type) {
805 case RQSTYPE_REQUEST:
806 isp_put_request(isp, rq, qep);
808 case RQSTYPE_CMDONLY:
809 isp_put_extended_request(isp, (ispextreq_t *)rq,
817 isp_sbus_dmateardown(ispsoftc_t *isp, XS_T *xs, uint32_t handle)
819 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
820 bus_dmamap_t *dp = &sbs->dmaps[isp_handle_index(handle)];
821 if ((xs->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
822 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTREAD);
824 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTWRITE);
826 bus_dmamap_unload(sbs->dmat, *dp);
830 isp_sbus_reset0(ispsoftc_t *isp)
832 ISP_DISABLE_INTS(isp);
836 isp_sbus_reset1(ispsoftc_t *isp)
838 ISP_ENABLE_INTS(isp);
842 isp_sbus_dumpregs(ispsoftc_t *isp, const char *msg)
845 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
847 printf("%s:\n", device_get_nameunit(isp->isp_dev));
848 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
849 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
850 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
851 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
854 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
855 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
856 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
857 ISP_READ(isp, CDMA_FIFO_STS));
858 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
859 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
860 ISP_READ(isp, DDMA_FIFO_STS));
861 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
862 ISP_READ(isp, SXP_INTERRUPT),
863 ISP_READ(isp, SXP_GROSS_ERR),
864 ISP_READ(isp, SXP_PINS_CTRL));
865 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
866 printf(" mbox regs: %x %x %x %x %x\n",
867 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
868 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
869 ISP_READ(isp, OUTMAILBOX4));