2 * PCI specific probe and attach routines for Qlogic ISP SCSI adapters.
5 * Copyright (c) 1997-2006 by Matthew Jacob
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice immediately at the beginning of the file, without modification,
13 * this list of conditions, and the following disclaimer.
14 * 2. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
21 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/param.h>
34 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/module.h>
38 #include <sys/resource.h>
40 #include <dev/ofw/ofw_bus.h>
42 #include <machine/bus.h>
43 #include <machine/resource.h>
45 #include <sparc64/sbus/sbusvar.h>
47 #include <dev/isp/isp_freebsd.h>
49 static uint16_t isp_sbus_rd_reg(struct ispsoftc *, int);
50 static void isp_sbus_wr_reg(struct ispsoftc *, int, uint16_t);
52 isp_sbus_rd_isr(struct ispsoftc *, uint16_t *, uint16_t *, uint16_t *);
53 static int isp_sbus_mbxdma(struct ispsoftc *);
55 isp_sbus_dmasetup(struct ispsoftc *, XS_T *, ispreq_t *, uint16_t *, uint16_t);
57 isp_sbus_dmateardown(struct ispsoftc *, XS_T *, uint16_t);
59 static void isp_sbus_reset1(struct ispsoftc *);
60 static void isp_sbus_dumpregs(struct ispsoftc *, const char *);
62 static struct ispmdvec mdvec = {
73 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
76 static int isp_sbus_probe (device_t);
77 static int isp_sbus_attach (device_t);
80 struct isp_sbussoftc {
81 struct ispsoftc sbus_isp;
83 struct resource * sbus_reg;
84 bus_space_tag_t sbus_st;
85 bus_space_handle_t sbus_sh;
87 int16_t sbus_poff[_NREG_BLKS];
91 struct ispmdvec sbus_mdvec;
92 struct resource * sbus_ires;
95 extern ispfwfunc *isp_get_firmware_p;
97 static device_method_t isp_sbus_methods[] = {
98 /* Device interface */
99 DEVMETHOD(device_probe, isp_sbus_probe),
100 DEVMETHOD(device_attach, isp_sbus_attach),
103 static void isp_sbus_intr(void *);
105 static driver_t isp_sbus_driver = {
106 "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
108 static devclass_t isp_devclass;
109 DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
112 isp_sbus_probe(device_t dev)
115 const char *name = ofw_bus_get_name(dev);
116 if (strcmp(name, "SUNW,isp") == 0 ||
117 strcmp(name, "QLGC,isp") == 0 ||
118 strcmp(name, "ptisp") == 0 ||
119 strcmp(name, "PTI,ptisp") == 0) {
125 if (isp_announced == 0 && bootverbose) {
126 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
127 "Core Version %d.%d\n",
128 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
129 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
136 isp_sbus_attach(device_t dev)
138 struct resource *regs;
139 int tval, iqd, isp_debug, role, rid, ispburst;
140 struct isp_sbussoftc *sbs;
141 struct ispsoftc *isp = NULL;
145 * Figure out if we're supposed to skip this one.
146 * If we are, we actually go to ISP_ROLE_NONE.
150 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
151 "disable", &tval) == 0 && tval) {
152 device_printf(dev, "device is disabled\n");
153 /* but return 0 so the !$)$)*!$*) unit isn't reused */
158 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
159 "role", &role) == 0 &&
160 ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
161 device_printf(dev, "setting role to 0x%x\n", role);
163 #ifdef ISP_TARGET_MODE
164 role = ISP_ROLE_INITIATOR|ISP_ROLE_TARGET;
166 role = ISP_DEFAULT_ROLES;
170 sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
172 device_printf(dev, "cannot allocate softc\n");
181 bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
183 device_printf(dev, "unable to map registers\n");
187 sbs->sbus_reg = regs;
188 sbs->sbus_st = rman_get_bustag(regs);
189 sbs->sbus_sh = rman_get_bushandle(regs);
190 sbs->sbus_mdvec = mdvec;
192 sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
193 sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
194 sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
195 sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
196 sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
197 isp = &sbs->sbus_isp;
198 isp->isp_mdvec = &sbs->sbus_mdvec;
199 isp->isp_bustype = ISP_BT_SBUS;
200 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
201 isp->isp_param = &sbs->sbus_param;
202 isp->isp_revision = 0; /* XXX */
203 isp->isp_role = role;
207 * Get the clock frequency and convert it from HZ to MHz,
208 * rounding up. This defaults to 25MHz if there isn't a
209 * device specific one in the OFW device tree.
211 sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
214 * Now figure out what the proper burst sizes, etc., to use.
215 * Unfortunately, there is no ddi_dma_burstsizes here which
216 * walks up the tree finding the limiting burst size node (if
217 * any). We just use what's here for isp.
219 ispburst = sbus_get_burstsz(dev);
221 ispburst = SBUS_BURST_32 - 1;
223 sbs->sbus_mdvec.dv_conf1 = 0;
224 if (ispburst & (1 << 5)) {
225 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
226 } else if (ispburst & (1 << 4)) {
227 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
228 } else if (ispburst & (1 << 3)) {
229 sbs->sbus_mdvec.dv_conf1 =
230 BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
232 if (sbs->sbus_mdvec.dv_conf1) {
233 sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
237 * Some early versions of the PTI SBus adapter
238 * would fail in trying to download (via poking)
239 * FW. We give up on them.
241 if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
242 strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
243 isp->isp_confopts |= ISP_CFG_NORELOAD;
247 * We don't trust NVRAM on SBus cards
249 isp->isp_confopts |= ISP_CFG_NONVRAM;
253 * Try and find firmware for this device.
256 if (isp_get_firmware_p) {
257 (*isp_get_firmware_p)(0, 0, 0x1000, &sbs->sbus_mdvec.dv_ispfw);
261 sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
262 RF_ACTIVE | RF_SHAREABLE);
263 if (sbs->sbus_ires == NULL) {
264 device_printf(dev, "could not allocate interrupt\n");
269 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
270 "fwload_disable", &tval) == 0 && tval != 0) {
271 isp->isp_confopts |= ISP_CFG_NORELOAD;
274 isp->isp_osinfo.default_id = -1;
275 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
276 "iid", &tval) == 0) {
277 isp->isp_osinfo.default_id = tval;
278 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
280 if (isp->isp_osinfo.default_id == -1) {
282 * XXX: should be a way to get properties w/o having
283 * XXX: to call OF_xxx functions
285 isp->isp_osinfo.default_id = 7;
289 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
290 "debug", &isp_debug);
292 /* Make sure the lock is set up. */
293 mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
296 if (bus_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS,
297 isp_sbus_intr, isp, &sbs->ih)) {
298 device_printf(dev, "could not setup interrupt\n");
303 * Set up logging levels.
306 isp->isp_dblev = isp_debug;
308 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
311 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
314 * Make sure we're in reset state.
318 if (isp->isp_state != ISP_RESETSTATE) {
323 if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_INITSTATE) {
329 if (isp->isp_role != ISP_ROLE_NONE && isp->isp_state != ISP_RUNSTATE) {
335 * XXXX: Here is where we might unload the f/w module
336 * XXXX: (or decrease the reference count to it).
343 if (sbs && sbs->ih) {
344 (void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
347 if (locksetup && isp) {
348 mtx_destroy(&isp->isp_osinfo.lock);
351 if (sbs && sbs->sbus_ires) {
352 bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
357 (void) bus_release_resource(dev, 0, 0, regs);
361 if (sbs->sbus_isp.isp_param)
362 free(sbs->sbus_isp.isp_param, M_DEVBUF);
367 * XXXX: Here is where we might unload the f/w module
368 * XXXX: (or decrease the reference count to it).
374 isp_sbus_intr(void *arg)
376 struct ispsoftc *isp = arg;
377 uint16_t isr, sema, mbox;
381 if (ISP_READ_ISR(isp, &isr, &sema, &mbox) == 0) {
384 int iok = isp->isp_osinfo.intsok;
385 isp->isp_osinfo.intsok = 0;
386 isp_intr(isp, isr, sema, mbox);
387 isp->isp_osinfo.intsok = iok;
392 #define IspVirt2Off(a, x) \
393 (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
394 _BLK_REG_SHFT] + ((x) & 0xff))
396 #define BXR2(sbc, off) \
397 bus_space_read_2(sbc->sbus_st, sbc->sbus_sh, off)
400 isp_sbus_rd_isr(struct ispsoftc *isp, uint16_t *isrp,
401 uint16_t *semap, uint16_t *mbp)
403 struct isp_sbussoftc *sbc = (struct isp_sbussoftc *) isp;
406 isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR));
407 sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA));
408 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
409 isr &= INT_PENDING_MASK(isp);
410 sema &= BIU_SEMA_LOCK;
411 if (isr == 0 && sema == 0) {
415 if ((*semap = sema) != 0) {
416 *mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0));
422 isp_sbus_rd_reg(struct ispsoftc *isp, int regoff)
425 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
426 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
427 offset += (regoff & 0xff);
428 rval = bus_space_read_2(sbs->sbus_st, sbs->sbus_sh, offset);
429 isp_prt(isp, ISP_LOGDEBUG3,
430 "isp_sbus_rd_reg(off %x) = %x", regoff, rval);
435 isp_sbus_wr_reg(struct ispsoftc *isp, int regoff, uint16_t val)
437 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
438 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
439 offset += (regoff & 0xff);
440 isp_prt(isp, ISP_LOGDEBUG3,
441 "isp_sbus_wr_reg(off %x) = %x", regoff, val);
442 bus_space_write_2(sbs->sbus_st, sbs->sbus_sh, offset, val);
446 struct ispsoftc *isp;
450 static void imc(void *, bus_dma_segment_t *, int, int);
453 imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
455 struct imush *imushp = (struct imush *) arg;
457 imushp->error = error;
459 struct ispsoftc *isp =imushp->isp;
460 bus_addr_t addr = segs->ds_addr;
462 isp->isp_rquest_dma = addr;
463 addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
464 isp->isp_result_dma = addr;
469 * Should be BUS_SPACE_MAXSIZE, but MAXPHYS is larger than BUS_SPACE_MAXSIZE
471 #define ISP_NSEGS ((MAXPHYS / PAGE_SIZE) + 1)
474 isp_sbus_mbxdma(struct ispsoftc *isp)
476 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
483 * Already been here? If so, leave...
485 if (isp->isp_rquest) {
491 if (bus_dma_tag_create(NULL, 1, BUS_SPACE_MAXADDR_24BIT+1,
492 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT,
493 NULL, NULL, BUS_SPACE_MAXSIZE_32BIT, ISP_NSEGS,
494 BUS_SPACE_MAXADDR_24BIT, 0, busdma_lock_mutex, &Giant,
496 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
501 len = sizeof (XS_T **) * isp->isp_maxcmds;
502 isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
503 if (isp->isp_xflist == NULL) {
504 isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
508 len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
509 sbs->dmaps = (bus_dmamap_t *) malloc(len, M_DEVBUF, M_WAITOK);
510 if (sbs->dmaps == NULL) {
511 isp_prt(isp, ISP_LOGERR, "can't alloc dma map storage");
512 free(isp->isp_xflist, M_DEVBUF);
518 * Allocate and map the request, result queues, plus FC scratch area.
520 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
521 len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
523 ns = (len / PAGE_SIZE) + 1;
524 if (bus_dma_tag_create(sbs->dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT+1,
525 BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT, NULL, NULL,
526 len, ns, BUS_SPACE_MAXADDR_24BIT, 0, busdma_lock_mutex, &Giant,
528 isp_prt(isp, ISP_LOGERR,
529 "cannot create a dma tag for control spaces");
530 free(sbs->dmaps, M_DEVBUF);
531 free(isp->isp_xflist, M_DEVBUF);
536 if (bus_dmamem_alloc(isp->isp_cdmat, (void **)&base, BUS_DMA_NOWAIT,
537 &isp->isp_cdmap) != 0) {
538 isp_prt(isp, ISP_LOGERR,
539 "cannot allocate %d bytes of CCB memory", len);
540 bus_dma_tag_destroy(isp->isp_cdmat);
541 free(isp->isp_xflist, M_DEVBUF);
542 free(sbs->dmaps, M_DEVBUF);
547 for (i = 0; i < isp->isp_maxcmds; i++) {
548 error = bus_dmamap_create(sbs->dmat, 0, &sbs->dmaps[i]);
550 isp_prt(isp, ISP_LOGERR,
551 "error %d creating per-cmd DMA maps", error);
553 bus_dmamap_destroy(sbs->dmat, sbs->dmaps[i]);
561 bus_dmamap_load(isp->isp_cdmat, isp->isp_cdmap, base, len, imc, &im, 0);
563 isp_prt(isp, ISP_LOGERR,
564 "error %d loading dma map for control areas", im.error);
568 isp->isp_rquest = base;
569 base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
571 isp->isp_result = base;
575 bus_dmamem_free(isp->isp_cdmat, base, isp->isp_cdmap);
576 bus_dma_tag_destroy(isp->isp_cdmat);
577 free(isp->isp_xflist, M_DEVBUF);
578 free(sbs->dmaps, M_DEVBUF);
580 isp->isp_rquest = NULL;
585 struct ispsoftc *isp;
593 #define MUSHERR_NOQENTRIES -2
596 static void dma2(void *, bus_dma_segment_t *, int, int);
599 dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
602 struct ispsoftc *isp;
603 struct ccb_scsiio *csio;
604 struct isp_sbussoftc *sbs;
606 bus_dma_segment_t *eseg;
618 isp_prt(mp->isp, ISP_LOGERR, "bad segment count (%d)", nseg);
622 csio = mp->cmd_token;
625 sbs = (struct isp_sbussoftc *)mp->isp;
626 dp = &sbs->dmaps[isp_handle_index(rq->req_handle)];
629 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
630 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREREAD);
632 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_PREWRITE);
635 datalen = XS_XFRLEN(csio);
638 * We're passed an initial partially filled in entry that
639 * has most fields filled in except for data transfer
642 * Our job is to fill in the initial request queue entry and
643 * then to start allocating and filling in continuation entries
644 * until we've covered the entire transfer.
647 if (csio->cdb_len > 12) {
652 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
653 rq->req_flags |= REQFLAG_DATA_IN;
655 rq->req_flags |= REQFLAG_DATA_OUT;
658 eseg = dm_segs + nseg;
660 while (datalen != 0 && rq->req_seg_count < seglim && dm_segs != eseg) {
661 rq->req_dataseg[rq->req_seg_count].ds_base = dm_segs->ds_addr;
662 rq->req_dataseg[rq->req_seg_count].ds_count = dm_segs->ds_len;
663 datalen -= dm_segs->ds_len;
668 while (datalen > 0 && dm_segs != eseg) {
670 ispcontreq_t local, *crq = &local, *cqe;
672 cqe = (ispcontreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, nxti);
674 nxti = ISP_NXT_QENTRY(onxti, RQUEST_QUEUE_LEN(isp));
675 if (nxti == mp->optr) {
676 isp_prt(isp, ISP_LOGDEBUG0, "Request Queue Overflow++");
677 mp->error = MUSHERR_NOQENTRIES;
680 rq->req_header.rqs_entry_count++;
681 MEMZERO((void *)crq, sizeof (*crq));
682 crq->req_header.rqs_entry_count = 1;
683 crq->req_header.rqs_entry_type = RQSTYPE_DATASEG;
686 while (datalen > 0 && seglim < ISP_CDSEG && dm_segs != eseg) {
687 crq->req_dataseg[seglim].ds_base =
689 crq->req_dataseg[seglim].ds_count =
694 datalen -= dm_segs->ds_len;
696 isp_put_cont_req(isp, crq, cqe);
697 MEMORYBARRIER(isp, SYNC_REQUEST, onxti, QENTRY_LEN);
703 isp_sbus_dmasetup(struct ispsoftc *isp, struct ccb_scsiio *csio, ispreq_t *rq,
704 uint16_t *nxtip, uint16_t optr)
706 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
708 bus_dmamap_t *dp = NULL;
710 void (*eptr)(void *, bus_dma_segment_t *, int, int);
712 qep = (ispreq_t *) ISP_QUEUE_ENTRY(isp->isp_rquest, isp->isp_reqidx);
716 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE ||
717 (csio->dxfer_len == 0)) {
718 rq->req_seg_count = 1;
723 * Do a virtual grapevine step to collect info for
724 * the callback dma allocation that we have to use...
728 mp->cmd_token = csio;
734 if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
735 if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
737 dp = &sbs->dmaps[isp_handle_index(rq->req_handle)];
739 error = bus_dmamap_load(sbs->dmat, *dp,
740 csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
741 if (error == EINPROGRESS) {
742 bus_dmamap_unload(sbs->dmat, *dp);
744 isp_prt(isp, ISP_LOGERR,
745 "deferred dma allocation not supported");
746 } else if (error && mp->error == 0) {
748 isp_prt(isp, ISP_LOGERR,
749 "error %d in dma mapping code", error);
755 /* Pointer to physical buffer */
756 struct bus_dma_segment seg;
757 seg.ds_addr = (bus_addr_t)csio->data_ptr;
758 seg.ds_len = csio->dxfer_len;
759 (*eptr)(mp, &seg, 1, 0);
762 struct bus_dma_segment *segs;
764 if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
765 isp_prt(isp, ISP_LOGERR,
766 "Physical segment pointers unsupported");
768 } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
769 isp_prt(isp, ISP_LOGERR,
770 "Virtual segment addresses unsupported");
773 /* Just use the segments provided */
774 segs = (struct bus_dma_segment *) csio->data_ptr;
775 (*eptr)(mp, segs, csio->sglist_cnt, 0);
779 int retval = CMD_COMPLETE;
780 if (mp->error == MUSHERR_NOQENTRIES) {
782 } else if (mp->error == EFBIG) {
783 XS_SETERR(csio, CAM_REQ_TOO_BIG);
784 } else if (mp->error == EINVAL) {
785 XS_SETERR(csio, CAM_REQ_INVALID);
787 XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
792 switch (rq->req_header.rqs_entry_type) {
793 case RQSTYPE_REQUEST:
794 isp_put_request(isp, rq, qep);
796 case RQSTYPE_CMDONLY:
797 isp_put_extended_request(isp, (ispextreq_t *)rq,
805 isp_sbus_dmateardown(struct ispsoftc *isp, XS_T *xs, uint16_t handle)
807 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *)isp;
808 bus_dmamap_t *dp = &sbs->dmaps[isp_handle_index(handle)];
809 if ((xs->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
810 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTREAD);
812 bus_dmamap_sync(sbs->dmat, *dp, BUS_DMASYNC_POSTWRITE);
814 bus_dmamap_unload(sbs->dmat, *dp);
819 isp_sbus_reset1(struct ispsoftc *isp)
821 /* enable interrupts */
826 isp_sbus_dumpregs(struct ispsoftc *isp, const char *msg)
829 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
831 printf("%s:\n", device_get_nameunit(isp->isp_dev));
832 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
833 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
834 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
835 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
838 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
839 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
840 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
841 ISP_READ(isp, CDMA_FIFO_STS));
842 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
843 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
844 ISP_READ(isp, DDMA_FIFO_STS));
845 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
846 ISP_READ(isp, SXP_INTERRUPT),
847 ISP_READ(isp, SXP_GROSS_ERR),
848 ISP_READ(isp, SXP_PINS_CTRL));
849 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
850 printf(" mbox regs: %x %x %x %x %x\n",
851 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
852 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
853 ISP_READ(isp, OUTMAILBOX4));