33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/linker.h>
37#include <sys/firmware.h>
38#include <sys/bus.h>
39#include <sys/kernel.h>
40#include <sys/module.h>
41#include <sys/resource.h>
42
43#include <dev/ofw/ofw_bus.h>
44#include <dev/ofw/openfirm.h>
45
46#include <machine/bus.h>
47#include <machine/ofw_machdep.h>
48#include <machine/resource.h>
49#include <sys/rman.h>
50#include <sparc64/sbus/sbusvar.h>
51
52#include <dev/isp/isp_freebsd.h>
53
54static uint32_t isp_sbus_rd_reg(ispsoftc_t *, int);
55static void isp_sbus_wr_reg(ispsoftc_t *, int, uint32_t);
56static int isp_sbus_rd_isr(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
57static int isp_sbus_mbxdma(ispsoftc_t *);
58static int isp_sbus_dmasetup(ispsoftc_t *, XS_T *, void *);
59
60
61static void isp_sbus_reset0(ispsoftc_t *);
62static void isp_sbus_reset1(ispsoftc_t *);
63static void isp_sbus_dumpregs(ispsoftc_t *, const char *);
64
65static struct ispmdvec mdvec = {
66 isp_sbus_rd_isr,
67 isp_sbus_rd_reg,
68 isp_sbus_wr_reg,
69 isp_sbus_mbxdma,
70 isp_sbus_dmasetup,
71 isp_common_dmateardown,
72 isp_sbus_reset0,
73 isp_sbus_reset1,
74 isp_sbus_dumpregs,
75 NULL,
76 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
77};
78
79static int isp_sbus_probe (device_t);
80static int isp_sbus_attach (device_t);
81
82
83#define ISP_SBD(isp) ((struct isp_sbussoftc *)isp)->sbus_dev
84struct isp_sbussoftc {
85 ispsoftc_t sbus_isp;
86 device_t sbus_dev;
87 struct resource * sbus_reg;
88 void * ih;
89 int16_t sbus_poff[_NREG_BLKS];
90 sdparam sbus_param;
91 struct isp_spi sbus_spi;
92 struct ispmdvec sbus_mdvec;
93 struct resource * sbus_ires;
94};
95
96
97static device_method_t isp_sbus_methods[] = {
98 /* Device interface */
99 DEVMETHOD(device_probe, isp_sbus_probe),
100 DEVMETHOD(device_attach, isp_sbus_attach),
101 { 0, 0 }
102};
103
104static driver_t isp_sbus_driver = {
105 "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
106};
107static devclass_t isp_devclass;
108DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
109MODULE_DEPEND(isp, cam, 1, 1, 1);
110MODULE_DEPEND(isp, firmware, 1, 1, 1);
111
112static int
113isp_sbus_probe(device_t dev)
114{
115 int found = 0;
116 const char *name = ofw_bus_get_name(dev);
117 if (strcmp(name, "SUNW,isp") == 0 ||
118 strcmp(name, "QLGC,isp") == 0 ||
119 strcmp(name, "ptisp") == 0 ||
120 strcmp(name, "PTI,ptisp") == 0) {
121 found++;
122 }
123 if (!found)
124 return (ENXIO);
125
126 if (isp_announced == 0 && bootverbose) {
127 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
128 "Core Version %d.%d\n",
129 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
130 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
131 isp_announced++;
132 }
133 return (0);
134}
135
136static int
137isp_sbus_attach(device_t dev)
138{
139 struct resource *regs;
140 int tval, iqd, isp_debug, role, rid, ispburst, default_id;
141 struct isp_sbussoftc *sbs;
142 ispsoftc_t *isp = NULL;
143 int locksetup = 0;
144 int ints_setup = 0;
145
146 /*
147 * Figure out if we're supposed to skip this one.
148 * If we are, we actually go to ISP_ROLE_NONE.
149 */
150
151 tval = 0;
152 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
153 "disable", &tval) == 0 && tval) {
154 device_printf(dev, "device is disabled\n");
155 /* but return 0 so the !$)$)*!$*) unit isn't reused */
156 return (0);
157 }
158
159 role = 0;
160 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
161 "role", &role) == 0 &&
162 ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
163 device_printf(dev, "setting role to 0x%x\n", role);
164 } else {
165 role = ISP_DEFAULT_ROLES;
166 }
167
168 sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
169 if (sbs == NULL) {
170 device_printf(dev, "cannot allocate softc\n");
171 return (ENOMEM);
172 }
173
174 regs = NULL;
175 iqd = 0;
176 rid = 0;
177 regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
178 if (regs == 0) {
179 device_printf(dev, "unable to map registers\n");
180 goto bad;
181 }
182 sbs->sbus_dev = dev;
183 sbs->sbus_reg = regs;
184 sbs->sbus_mdvec = mdvec;
185
186 sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
187 sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
188 sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
189 sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
190 sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
191 isp = &sbs->sbus_isp;
192 isp->isp_bus_tag = rman_get_bustag(regs);
193 isp->isp_bus_handle = rman_get_bushandle(regs);
194 isp->isp_mdvec = &sbs->sbus_mdvec;
195 isp->isp_bustype = ISP_BT_SBUS;
196 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
197 isp->isp_param = &sbs->sbus_param;
198 isp->isp_osinfo.pc.ptr = &sbs->sbus_spi;
199 isp->isp_revision = 0; /* XXX */
200 isp->isp_dev = dev;
201 isp->isp_nchan = 1;
202 ISP_SET_PC(isp, 0, def_role, role);
203
204 /*
205 * Get the clock frequency and convert it from HZ to MHz,
206 * rounding up. This defaults to 25MHz if there isn't a
207 * device specific one in the OFW device tree.
208 */
209 sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
210
211 /*
212 * Now figure out what the proper burst sizes, etc., to use.
213 * Unfortunately, there is no ddi_dma_burstsizes here which
214 * walks up the tree finding the limiting burst size node (if
215 * any). We just use what's here for isp.
216 */
217 ispburst = sbus_get_burstsz(dev);
218 if (ispburst == 0) {
219 ispburst = SBUS_BURST_32 - 1;
220 }
221 sbs->sbus_mdvec.dv_conf1 = 0;
222 if (ispburst & (1 << 5)) {
223 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
224 } else if (ispburst & (1 << 4)) {
225 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
226 } else if (ispburst & (1 << 3)) {
227 sbs->sbus_mdvec.dv_conf1 =
228 BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
229 }
230 if (sbs->sbus_mdvec.dv_conf1) {
231 sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
232 }
233
234 /*
235 * We don't trust NVRAM on SBus cards
236 */
237 isp->isp_confopts |= ISP_CFG_NONVRAM;
238
239 /*
240 * Mark things if we're a PTI SBus adapter.
241 */
242 if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
243 strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
244 SDPARAM(isp, 0)->isp_ptisp = 1;
245 }
246
247
248 isp->isp_osinfo.fw = firmware_get("isp_1000");
249 if (isp->isp_osinfo.fw) {
250 union {
251 const void *cp;
252 uint16_t *sp;
253 } stupid;
254 stupid.cp = isp->isp_osinfo.fw->data;
255 isp->isp_mdvec->dv_ispfw = stupid.sp;
256 }
257
258 tval = 0;
259 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
260 "fwload_disable", &tval) == 0 && tval != 0) {
261 isp->isp_confopts |= ISP_CFG_NORELOAD;
262 }
263
264 default_id = -1;
265 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
266 "iid", &tval) == 0) {
267 default_id = tval;
268 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
269 }
270 if (default_id == -1) {
271 default_id = OF_getscsinitid(dev);
272 }
273 ISP_SPI_PC(isp, 0)->iid = default_id;
274
275 isp_debug = 0;
276 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
277 "debug", &isp_debug);
278
279 /* Make sure the lock is set up. */
280 mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
281 locksetup++;
282
283 iqd = 0;
284 sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
285 RF_ACTIVE | RF_SHAREABLE);
286 if (sbs->sbus_ires == NULL) {
287 device_printf(dev, "could not allocate interrupt\n");
288 goto bad;
289 }
290
291 if (isp_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS, NULL,
292 isp_platform_intr, isp, &sbs->ih)) {
293 device_printf(dev, "could not setup interrupt\n");
294 goto bad;
295 }
296 ints_setup++;
297
298 /*
299 * Set up logging levels.
300 */
301 if (isp_debug) {
302 isp->isp_dblev = isp_debug;
303 } else {
304 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
305 }
306 if (bootverbose) {
307 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
308 }
309
310 /*
311 * Make sure we're in reset state.
312 */
313 ISP_LOCK(isp);
314 isp_reset(isp, 1);
315 if (isp->isp_state != ISP_RESETSTATE) {
316 isp_uninit(isp);
317 ISP_UNLOCK(isp);
318 goto bad;
319 }
320 isp_init(isp);
321 if (isp->isp_state == ISP_INITSTATE) {
322 isp->isp_state = ISP_RUNSTATE;
323 }
324 ISP_UNLOCK(isp);
325 if (isp_attach(isp)) {
326 ISP_LOCK(isp);
327 isp_uninit(isp);
328 ISP_UNLOCK(isp);
329 goto bad;
330 }
331 return (0);
332
333bad:
334
335 if (sbs && ints_setup) {
336 (void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
337 }
338
339 if (sbs && sbs->sbus_ires) {
340 bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
341 }
342
343 if (locksetup && isp) {
344 mtx_destroy(&isp->isp_osinfo.lock);
345 }
346
347 if (regs) {
348 (void) bus_release_resource(dev, SYS_RES_MEMORY, 0, regs);
349 }
350
351 if (sbs) {
352 free(sbs, M_DEVBUF);
353 }
354 return (ENXIO);
355}
356
357#define IspVirt2Off(a, x) \
358 (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
359 _BLK_REG_SHFT] + ((x) & 0xff))
360
361#define BXR2(sbc, off) \
362 bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
363
364static int
365isp_sbus_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
366{
367 uint16_t isr, sema;
368
369 isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR));
370 sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA));
371 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
372 isr &= INT_PENDING_MASK(isp);
373 sema &= BIU_SEMA_LOCK;
374 if (isr == 0 && sema == 0) {
375 return (0);
376 }
377 *isrp = isr;
378 if ((*semap = sema) != 0) {
379 *mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0));
380 }
381 return (1);
382}
383
384static uint32_t
385isp_sbus_rd_reg(ispsoftc_t *isp, int regoff)
386{
387 uint16_t rval;
388 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
389 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
390 offset += (regoff & 0xff);
391 rval = bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, offset);
392 isp_prt(isp, ISP_LOGDEBUG3,
393 "isp_sbus_rd_reg(off %x) = %x", regoff, rval);
394 return (rval);
395}
396
397static void
398isp_sbus_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
399{
400 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
401 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
402 offset += (regoff & 0xff);
403 isp_prt(isp, ISP_LOGDEBUG3,
404 "isp_sbus_wr_reg(off %x) = %x", regoff, val);
405 bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, offset, val);
406 MEMORYBARRIER(isp, SYNC_REG, offset, 2, -1);
407}
408
409struct imush {
410 ispsoftc_t *isp;
411 int error;
412};
413
414static void imc(void *, bus_dma_segment_t *, int, int);
415
416static void
417imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
418{
419 struct imush *imushp = (struct imush *) arg;
420 if (error) {
421 imushp->error = error;
422 } else {
423 ispsoftc_t *isp =imushp->isp;
424 bus_addr_t addr = segs->ds_addr;
425
426 isp->isp_rquest_dma = addr;
427 addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
428 isp->isp_result_dma = addr;
429 }
430}
431
432static int
433isp_sbus_mbxdma(ispsoftc_t *isp)
434{
435 caddr_t base;
436 uint32_t len;
437 int i, error, ns;
438 struct imush im;
439
440 /*
441 * Already been here? If so, leave...
442 */
443 if (isp->isp_rquest) {
444 return (0);
445 }
446
447 ISP_UNLOCK(isp);
448
449 len = sizeof (struct isp_pcmd) * isp->isp_maxcmds;
450 isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
451 malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
452 if (isp->isp_osinfo.pcmd_pool == NULL) {
453 isp_prt(isp, ISP_LOGERR, "cannot alloc pcmd pool");
454 ISP_LOCK(isp);
455 return (1);
456 }
457
458 len = sizeof (isp_hdl_t *) * isp->isp_maxcmds;
459 isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
460 if (isp->isp_xflist == NULL) {
461 isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
462 ISP_LOCK(isp);
463 return (1);
464 }
465 for (len = 0; len < isp->isp_maxcmds - 1; len++) {
466 isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
467 }
468 isp->isp_xffree = isp->isp_xflist;
469 len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
470
471 if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_SBD(isp)), 1,
472 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
473 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT,
474 ISP_NSEGS, BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.dmat)) {
475 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
476 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
477 free(isp->isp_xflist, M_DEVBUF);
478 ISP_LOCK(isp);
479 return(1);
480 }
481
482 /*
483 * Allocate and map the request, result queues, plus FC scratch area.
484 */
485 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
486 len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
487
488 ns = (len / PAGE_SIZE) + 1;
489 if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN,
490 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
491 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, len, ns,
492 BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.cdmat)) {
493 isp_prt(isp, ISP_LOGERR,
494 "cannot create a dma tag for control spaces");
495 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
496 free(isp->isp_xflist, M_DEVBUF);
497 ISP_LOCK(isp);
498 return (1);
499 }
500
501 if (bus_dmamem_alloc(isp->isp_osinfo.cdmat, (void **)&base, BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
502 &isp->isp_osinfo.cdmap) != 0) {
503 isp_prt(isp, ISP_LOGERR,
504 "cannot allocate %d bytes of CCB memory", len);
505 bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
506 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
507 free(isp->isp_xflist, M_DEVBUF);
508 ISP_LOCK(isp);
509 return (1);
510 }
511
512 for (i = 0; i < isp->isp_maxcmds; i++) {
513 struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
514 error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
515 if (error) {
516 isp_prt(isp, ISP_LOGERR,
517 "error %d creating per-cmd DMA maps", error);
518 while (--i >= 0) {
519 bus_dmamap_destroy(isp->isp_osinfo.dmat,
520 isp->isp_osinfo.pcmd_pool[i].dmap);
521 }
522 goto bad;
523 }
524 callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
525 if (i == isp->isp_maxcmds-1) {
526 pcmd->next = NULL;
527 } else {
528 pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
529 }
530 }
531 isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
532
533 im.isp = isp;
534 im.error = 0;
535 bus_dmamap_load(isp->isp_osinfo.cdmat, isp->isp_osinfo.cdmap, base, len, imc, &im, 0);
536 if (im.error) {
537 isp_prt(isp, ISP_LOGERR,
538 "error %d loading dma map for control areas", im.error);
539 goto bad;
540 }
541
542 isp->isp_rquest = base;
543 base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
544 isp->isp_result = base;
545 ISP_LOCK(isp);
546 return (0);
547
548bad:
549 bus_dmamem_free(isp->isp_osinfo.cdmat, base, isp->isp_osinfo.cdmap);
550 bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
551 free(isp->isp_xflist, M_DEVBUF);
552 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
553 isp->isp_rquest = NULL;
554 ISP_LOCK(isp);
555 return (1);
556}
557
558typedef struct {
559 ispsoftc_t *isp;
560 void *cmd_token;
561 void *rq; /* original request */
562 int error;
563 bus_size_t mapsize;
564} mush_t;
565
566#define MUSHERR_NOQENTRIES -2
567
568static void dma2(void *, bus_dma_segment_t *, int, int);
569
570static void
571dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
572{
573 mush_t *mp;
574 ispsoftc_t *isp;
575 struct ccb_scsiio *csio;
576 isp_ddir_t ddir;
577 ispreq_t *rq;
578
579 mp = (mush_t *) arg;
580 if (error) {
581 mp->error = error;
582 return;
583 }
584 csio = mp->cmd_token;
585 isp = mp->isp;
586 rq = mp->rq;
587 if (nseg) {
588 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
589 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
590 ddir = ISP_FROM_DEVICE;
591 } else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
592 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
593 ddir = ISP_TO_DEVICE;
594 } else {
595 ddir = ISP_NOXFR;
596 }
597 } else {
598 dm_segs = NULL;
599 nseg = 0;
600 ddir = ISP_NOXFR;
601 }
602
| 33
34#include <sys/param.h>
35#include <sys/systm.h>
36#include <sys/linker.h>
37#include <sys/firmware.h>
38#include <sys/bus.h>
39#include <sys/kernel.h>
40#include <sys/module.h>
41#include <sys/resource.h>
42
43#include <dev/ofw/ofw_bus.h>
44#include <dev/ofw/openfirm.h>
45
46#include <machine/bus.h>
47#include <machine/ofw_machdep.h>
48#include <machine/resource.h>
49#include <sys/rman.h>
50#include <sparc64/sbus/sbusvar.h>
51
52#include <dev/isp/isp_freebsd.h>
53
54static uint32_t isp_sbus_rd_reg(ispsoftc_t *, int);
55static void isp_sbus_wr_reg(ispsoftc_t *, int, uint32_t);
56static int isp_sbus_rd_isr(ispsoftc_t *, uint32_t *, uint16_t *, uint16_t *);
57static int isp_sbus_mbxdma(ispsoftc_t *);
58static int isp_sbus_dmasetup(ispsoftc_t *, XS_T *, void *);
59
60
61static void isp_sbus_reset0(ispsoftc_t *);
62static void isp_sbus_reset1(ispsoftc_t *);
63static void isp_sbus_dumpregs(ispsoftc_t *, const char *);
64
65static struct ispmdvec mdvec = {
66 isp_sbus_rd_isr,
67 isp_sbus_rd_reg,
68 isp_sbus_wr_reg,
69 isp_sbus_mbxdma,
70 isp_sbus_dmasetup,
71 isp_common_dmateardown,
72 isp_sbus_reset0,
73 isp_sbus_reset1,
74 isp_sbus_dumpregs,
75 NULL,
76 BIU_BURST_ENABLE|BIU_PCI_CONF1_FIFO_64
77};
78
79static int isp_sbus_probe (device_t);
80static int isp_sbus_attach (device_t);
81
82
83#define ISP_SBD(isp) ((struct isp_sbussoftc *)isp)->sbus_dev
84struct isp_sbussoftc {
85 ispsoftc_t sbus_isp;
86 device_t sbus_dev;
87 struct resource * sbus_reg;
88 void * ih;
89 int16_t sbus_poff[_NREG_BLKS];
90 sdparam sbus_param;
91 struct isp_spi sbus_spi;
92 struct ispmdvec sbus_mdvec;
93 struct resource * sbus_ires;
94};
95
96
97static device_method_t isp_sbus_methods[] = {
98 /* Device interface */
99 DEVMETHOD(device_probe, isp_sbus_probe),
100 DEVMETHOD(device_attach, isp_sbus_attach),
101 { 0, 0 }
102};
103
104static driver_t isp_sbus_driver = {
105 "isp", isp_sbus_methods, sizeof (struct isp_sbussoftc)
106};
107static devclass_t isp_devclass;
108DRIVER_MODULE(isp, sbus, isp_sbus_driver, isp_devclass, 0, 0);
109MODULE_DEPEND(isp, cam, 1, 1, 1);
110MODULE_DEPEND(isp, firmware, 1, 1, 1);
111
112static int
113isp_sbus_probe(device_t dev)
114{
115 int found = 0;
116 const char *name = ofw_bus_get_name(dev);
117 if (strcmp(name, "SUNW,isp") == 0 ||
118 strcmp(name, "QLGC,isp") == 0 ||
119 strcmp(name, "ptisp") == 0 ||
120 strcmp(name, "PTI,ptisp") == 0) {
121 found++;
122 }
123 if (!found)
124 return (ENXIO);
125
126 if (isp_announced == 0 && bootverbose) {
127 printf("Qlogic ISP Driver, FreeBSD Version %d.%d, "
128 "Core Version %d.%d\n",
129 ISP_PLATFORM_VERSION_MAJOR, ISP_PLATFORM_VERSION_MINOR,
130 ISP_CORE_VERSION_MAJOR, ISP_CORE_VERSION_MINOR);
131 isp_announced++;
132 }
133 return (0);
134}
135
136static int
137isp_sbus_attach(device_t dev)
138{
139 struct resource *regs;
140 int tval, iqd, isp_debug, role, rid, ispburst, default_id;
141 struct isp_sbussoftc *sbs;
142 ispsoftc_t *isp = NULL;
143 int locksetup = 0;
144 int ints_setup = 0;
145
146 /*
147 * Figure out if we're supposed to skip this one.
148 * If we are, we actually go to ISP_ROLE_NONE.
149 */
150
151 tval = 0;
152 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
153 "disable", &tval) == 0 && tval) {
154 device_printf(dev, "device is disabled\n");
155 /* but return 0 so the !$)$)*!$*) unit isn't reused */
156 return (0);
157 }
158
159 role = 0;
160 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
161 "role", &role) == 0 &&
162 ((role & ~(ISP_ROLE_INITIATOR|ISP_ROLE_TARGET)) == 0)) {
163 device_printf(dev, "setting role to 0x%x\n", role);
164 } else {
165 role = ISP_DEFAULT_ROLES;
166 }
167
168 sbs = malloc(sizeof (*sbs), M_DEVBUF, M_NOWAIT | M_ZERO);
169 if (sbs == NULL) {
170 device_printf(dev, "cannot allocate softc\n");
171 return (ENOMEM);
172 }
173
174 regs = NULL;
175 iqd = 0;
176 rid = 0;
177 regs = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);
178 if (regs == 0) {
179 device_printf(dev, "unable to map registers\n");
180 goto bad;
181 }
182 sbs->sbus_dev = dev;
183 sbs->sbus_reg = regs;
184 sbs->sbus_mdvec = mdvec;
185
186 sbs->sbus_poff[BIU_BLOCK >> _BLK_REG_SHFT] = BIU_REGS_OFF;
187 sbs->sbus_poff[MBOX_BLOCK >> _BLK_REG_SHFT] = SBUS_MBOX_REGS_OFF;
188 sbs->sbus_poff[SXP_BLOCK >> _BLK_REG_SHFT] = SBUS_SXP_REGS_OFF;
189 sbs->sbus_poff[RISC_BLOCK >> _BLK_REG_SHFT] = SBUS_RISC_REGS_OFF;
190 sbs->sbus_poff[DMA_BLOCK >> _BLK_REG_SHFT] = DMA_REGS_OFF;
191 isp = &sbs->sbus_isp;
192 isp->isp_bus_tag = rman_get_bustag(regs);
193 isp->isp_bus_handle = rman_get_bushandle(regs);
194 isp->isp_mdvec = &sbs->sbus_mdvec;
195 isp->isp_bustype = ISP_BT_SBUS;
196 isp->isp_type = ISP_HA_SCSI_UNKNOWN;
197 isp->isp_param = &sbs->sbus_param;
198 isp->isp_osinfo.pc.ptr = &sbs->sbus_spi;
199 isp->isp_revision = 0; /* XXX */
200 isp->isp_dev = dev;
201 isp->isp_nchan = 1;
202 ISP_SET_PC(isp, 0, def_role, role);
203
204 /*
205 * Get the clock frequency and convert it from HZ to MHz,
206 * rounding up. This defaults to 25MHz if there isn't a
207 * device specific one in the OFW device tree.
208 */
209 sbs->sbus_mdvec.dv_clock = (sbus_get_clockfreq(dev) + 500000)/1000000;
210
211 /*
212 * Now figure out what the proper burst sizes, etc., to use.
213 * Unfortunately, there is no ddi_dma_burstsizes here which
214 * walks up the tree finding the limiting burst size node (if
215 * any). We just use what's here for isp.
216 */
217 ispburst = sbus_get_burstsz(dev);
218 if (ispburst == 0) {
219 ispburst = SBUS_BURST_32 - 1;
220 }
221 sbs->sbus_mdvec.dv_conf1 = 0;
222 if (ispburst & (1 << 5)) {
223 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_32;
224 } else if (ispburst & (1 << 4)) {
225 sbs->sbus_mdvec.dv_conf1 = BIU_SBUS_CONF1_FIFO_16;
226 } else if (ispburst & (1 << 3)) {
227 sbs->sbus_mdvec.dv_conf1 =
228 BIU_SBUS_CONF1_BURST8 | BIU_SBUS_CONF1_FIFO_8;
229 }
230 if (sbs->sbus_mdvec.dv_conf1) {
231 sbs->sbus_mdvec.dv_conf1 |= BIU_BURST_ENABLE;
232 }
233
234 /*
235 * We don't trust NVRAM on SBus cards
236 */
237 isp->isp_confopts |= ISP_CFG_NONVRAM;
238
239 /*
240 * Mark things if we're a PTI SBus adapter.
241 */
242 if (strcmp("PTI,ptisp", ofw_bus_get_name(dev)) == 0 ||
243 strcmp("ptisp", ofw_bus_get_name(dev)) == 0) {
244 SDPARAM(isp, 0)->isp_ptisp = 1;
245 }
246
247
248 isp->isp_osinfo.fw = firmware_get("isp_1000");
249 if (isp->isp_osinfo.fw) {
250 union {
251 const void *cp;
252 uint16_t *sp;
253 } stupid;
254 stupid.cp = isp->isp_osinfo.fw->data;
255 isp->isp_mdvec->dv_ispfw = stupid.sp;
256 }
257
258 tval = 0;
259 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
260 "fwload_disable", &tval) == 0 && tval != 0) {
261 isp->isp_confopts |= ISP_CFG_NORELOAD;
262 }
263
264 default_id = -1;
265 if (resource_int_value(device_get_name(dev), device_get_unit(dev),
266 "iid", &tval) == 0) {
267 default_id = tval;
268 isp->isp_confopts |= ISP_CFG_OWNLOOPID;
269 }
270 if (default_id == -1) {
271 default_id = OF_getscsinitid(dev);
272 }
273 ISP_SPI_PC(isp, 0)->iid = default_id;
274
275 isp_debug = 0;
276 (void) resource_int_value(device_get_name(dev), device_get_unit(dev),
277 "debug", &isp_debug);
278
279 /* Make sure the lock is set up. */
280 mtx_init(&isp->isp_osinfo.lock, "isp", NULL, MTX_DEF);
281 locksetup++;
282
283 iqd = 0;
284 sbs->sbus_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ, &iqd,
285 RF_ACTIVE | RF_SHAREABLE);
286 if (sbs->sbus_ires == NULL) {
287 device_printf(dev, "could not allocate interrupt\n");
288 goto bad;
289 }
290
291 if (isp_setup_intr(dev, sbs->sbus_ires, ISP_IFLAGS, NULL,
292 isp_platform_intr, isp, &sbs->ih)) {
293 device_printf(dev, "could not setup interrupt\n");
294 goto bad;
295 }
296 ints_setup++;
297
298 /*
299 * Set up logging levels.
300 */
301 if (isp_debug) {
302 isp->isp_dblev = isp_debug;
303 } else {
304 isp->isp_dblev = ISP_LOGWARN|ISP_LOGERR;
305 }
306 if (bootverbose) {
307 isp->isp_dblev |= ISP_LOGCONFIG|ISP_LOGINFO;
308 }
309
310 /*
311 * Make sure we're in reset state.
312 */
313 ISP_LOCK(isp);
314 isp_reset(isp, 1);
315 if (isp->isp_state != ISP_RESETSTATE) {
316 isp_uninit(isp);
317 ISP_UNLOCK(isp);
318 goto bad;
319 }
320 isp_init(isp);
321 if (isp->isp_state == ISP_INITSTATE) {
322 isp->isp_state = ISP_RUNSTATE;
323 }
324 ISP_UNLOCK(isp);
325 if (isp_attach(isp)) {
326 ISP_LOCK(isp);
327 isp_uninit(isp);
328 ISP_UNLOCK(isp);
329 goto bad;
330 }
331 return (0);
332
333bad:
334
335 if (sbs && ints_setup) {
336 (void) bus_teardown_intr(dev, sbs->sbus_ires, sbs->ih);
337 }
338
339 if (sbs && sbs->sbus_ires) {
340 bus_release_resource(dev, SYS_RES_IRQ, iqd, sbs->sbus_ires);
341 }
342
343 if (locksetup && isp) {
344 mtx_destroy(&isp->isp_osinfo.lock);
345 }
346
347 if (regs) {
348 (void) bus_release_resource(dev, SYS_RES_MEMORY, 0, regs);
349 }
350
351 if (sbs) {
352 free(sbs, M_DEVBUF);
353 }
354 return (ENXIO);
355}
356
357#define IspVirt2Off(a, x) \
358 (((struct isp_sbussoftc *)a)->sbus_poff[((x) & _BLK_REG_MASK) >> \
359 _BLK_REG_SHFT] + ((x) & 0xff))
360
361#define BXR2(sbc, off) \
362 bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, off)
363
364static int
365isp_sbus_rd_isr(ispsoftc_t *isp, uint32_t *isrp, uint16_t *semap, uint16_t *mbp)
366{
367 uint16_t isr, sema;
368
369 isr = BXR2(sbc, IspVirt2Off(isp, BIU_ISR));
370 sema = BXR2(sbc, IspVirt2Off(isp, BIU_SEMA));
371 isp_prt(isp, ISP_LOGDEBUG3, "ISR 0x%x SEMA 0x%x", isr, sema);
372 isr &= INT_PENDING_MASK(isp);
373 sema &= BIU_SEMA_LOCK;
374 if (isr == 0 && sema == 0) {
375 return (0);
376 }
377 *isrp = isr;
378 if ((*semap = sema) != 0) {
379 *mbp = BXR2(sbc, IspVirt2Off(isp, OUTMAILBOX0));
380 }
381 return (1);
382}
383
384static uint32_t
385isp_sbus_rd_reg(ispsoftc_t *isp, int regoff)
386{
387 uint16_t rval;
388 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
389 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
390 offset += (regoff & 0xff);
391 rval = bus_space_read_2(isp->isp_bus_tag, isp->isp_bus_handle, offset);
392 isp_prt(isp, ISP_LOGDEBUG3,
393 "isp_sbus_rd_reg(off %x) = %x", regoff, rval);
394 return (rval);
395}
396
397static void
398isp_sbus_wr_reg(ispsoftc_t *isp, int regoff, uint32_t val)
399{
400 struct isp_sbussoftc *sbs = (struct isp_sbussoftc *) isp;
401 int offset = sbs->sbus_poff[(regoff & _BLK_REG_MASK) >> _BLK_REG_SHFT];
402 offset += (regoff & 0xff);
403 isp_prt(isp, ISP_LOGDEBUG3,
404 "isp_sbus_wr_reg(off %x) = %x", regoff, val);
405 bus_space_write_2(isp->isp_bus_tag, isp->isp_bus_handle, offset, val);
406 MEMORYBARRIER(isp, SYNC_REG, offset, 2, -1);
407}
408
409struct imush {
410 ispsoftc_t *isp;
411 int error;
412};
413
414static void imc(void *, bus_dma_segment_t *, int, int);
415
416static void
417imc(void *arg, bus_dma_segment_t *segs, int nseg, int error)
418{
419 struct imush *imushp = (struct imush *) arg;
420 if (error) {
421 imushp->error = error;
422 } else {
423 ispsoftc_t *isp =imushp->isp;
424 bus_addr_t addr = segs->ds_addr;
425
426 isp->isp_rquest_dma = addr;
427 addr += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
428 isp->isp_result_dma = addr;
429 }
430}
431
432static int
433isp_sbus_mbxdma(ispsoftc_t *isp)
434{
435 caddr_t base;
436 uint32_t len;
437 int i, error, ns;
438 struct imush im;
439
440 /*
441 * Already been here? If so, leave...
442 */
443 if (isp->isp_rquest) {
444 return (0);
445 }
446
447 ISP_UNLOCK(isp);
448
449 len = sizeof (struct isp_pcmd) * isp->isp_maxcmds;
450 isp->isp_osinfo.pcmd_pool = (struct isp_pcmd *)
451 malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
452 if (isp->isp_osinfo.pcmd_pool == NULL) {
453 isp_prt(isp, ISP_LOGERR, "cannot alloc pcmd pool");
454 ISP_LOCK(isp);
455 return (1);
456 }
457
458 len = sizeof (isp_hdl_t *) * isp->isp_maxcmds;
459 isp->isp_xflist = (isp_hdl_t *) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
460 if (isp->isp_xflist == NULL) {
461 isp_prt(isp, ISP_LOGERR, "cannot alloc xflist array");
462 ISP_LOCK(isp);
463 return (1);
464 }
465 for (len = 0; len < isp->isp_maxcmds - 1; len++) {
466 isp->isp_xflist[len].cmd = &isp->isp_xflist[len+1];
467 }
468 isp->isp_xffree = isp->isp_xflist;
469 len = sizeof (bus_dmamap_t) * isp->isp_maxcmds;
470
471 if (isp_dma_tag_create(BUS_DMA_ROOTARG(ISP_SBD(isp)), 1,
472 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
473 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, BUS_SPACE_MAXSIZE_32BIT,
474 ISP_NSEGS, BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.dmat)) {
475 isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
476 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
477 free(isp->isp_xflist, M_DEVBUF);
478 ISP_LOCK(isp);
479 return(1);
480 }
481
482 /*
483 * Allocate and map the request, result queues, plus FC scratch area.
484 */
485 len = ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
486 len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
487
488 ns = (len / PAGE_SIZE) + 1;
489 if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN,
490 BUS_SPACE_MAXADDR_24BIT+1, BUS_SPACE_MAXADDR_32BIT,
491 BUS_SPACE_MAXADDR_32BIT, NULL, NULL, len, ns,
492 BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_osinfo.cdmat)) {
493 isp_prt(isp, ISP_LOGERR,
494 "cannot create a dma tag for control spaces");
495 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
496 free(isp->isp_xflist, M_DEVBUF);
497 ISP_LOCK(isp);
498 return (1);
499 }
500
501 if (bus_dmamem_alloc(isp->isp_osinfo.cdmat, (void **)&base, BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
502 &isp->isp_osinfo.cdmap) != 0) {
503 isp_prt(isp, ISP_LOGERR,
504 "cannot allocate %d bytes of CCB memory", len);
505 bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
506 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
507 free(isp->isp_xflist, M_DEVBUF);
508 ISP_LOCK(isp);
509 return (1);
510 }
511
512 for (i = 0; i < isp->isp_maxcmds; i++) {
513 struct isp_pcmd *pcmd = &isp->isp_osinfo.pcmd_pool[i];
514 error = bus_dmamap_create(isp->isp_osinfo.dmat, 0, &pcmd->dmap);
515 if (error) {
516 isp_prt(isp, ISP_LOGERR,
517 "error %d creating per-cmd DMA maps", error);
518 while (--i >= 0) {
519 bus_dmamap_destroy(isp->isp_osinfo.dmat,
520 isp->isp_osinfo.pcmd_pool[i].dmap);
521 }
522 goto bad;
523 }
524 callout_init_mtx(&pcmd->wdog, &isp->isp_osinfo.lock, 0);
525 if (i == isp->isp_maxcmds-1) {
526 pcmd->next = NULL;
527 } else {
528 pcmd->next = &isp->isp_osinfo.pcmd_pool[i+1];
529 }
530 }
531 isp->isp_osinfo.pcmd_free = &isp->isp_osinfo.pcmd_pool[0];
532
533 im.isp = isp;
534 im.error = 0;
535 bus_dmamap_load(isp->isp_osinfo.cdmat, isp->isp_osinfo.cdmap, base, len, imc, &im, 0);
536 if (im.error) {
537 isp_prt(isp, ISP_LOGERR,
538 "error %d loading dma map for control areas", im.error);
539 goto bad;
540 }
541
542 isp->isp_rquest = base;
543 base += ISP_QUEUE_SIZE(RQUEST_QUEUE_LEN(isp));
544 isp->isp_result = base;
545 ISP_LOCK(isp);
546 return (0);
547
548bad:
549 bus_dmamem_free(isp->isp_osinfo.cdmat, base, isp->isp_osinfo.cdmap);
550 bus_dma_tag_destroy(isp->isp_osinfo.cdmat);
551 free(isp->isp_xflist, M_DEVBUF);
552 free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
553 isp->isp_rquest = NULL;
554 ISP_LOCK(isp);
555 return (1);
556}
557
558typedef struct {
559 ispsoftc_t *isp;
560 void *cmd_token;
561 void *rq; /* original request */
562 int error;
563 bus_size_t mapsize;
564} mush_t;
565
566#define MUSHERR_NOQENTRIES -2
567
568static void dma2(void *, bus_dma_segment_t *, int, int);
569
570static void
571dma2(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error)
572{
573 mush_t *mp;
574 ispsoftc_t *isp;
575 struct ccb_scsiio *csio;
576 isp_ddir_t ddir;
577 ispreq_t *rq;
578
579 mp = (mush_t *) arg;
580 if (error) {
581 mp->error = error;
582 return;
583 }
584 csio = mp->cmd_token;
585 isp = mp->isp;
586 rq = mp->rq;
587 if (nseg) {
588 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) {
589 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREREAD);
590 ddir = ISP_FROM_DEVICE;
591 } else if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) {
592 bus_dmamap_sync(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, BUS_DMASYNC_PREWRITE);
593 ddir = ISP_TO_DEVICE;
594 } else {
595 ddir = ISP_NOXFR;
596 }
597 } else {
598 dm_segs = NULL;
599 nseg = 0;
600 ddir = ISP_NOXFR;
601 }
602
|
604 mp->error = MUSHERR_NOQENTRIES;
605 }
606}
607
608static int
609isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
610{
611 mush_t mush, *mp;
612 void (*eptr)(void *, bus_dma_segment_t *, int, int);
613
614 mp = &mush;
615 mp->isp = isp;
616 mp->cmd_token = csio;
617 mp->rq = ff;
618 mp->error = 0;
619 mp->mapsize = 0;
620
621 eptr = dma2;
622
623 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) {
624 (*eptr)(mp, NULL, 0, 0);
625 } else if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
626 if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
627 int error;
628 error = bus_dmamap_load(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
629#if 0
630 xpt_print(csio->ccb_h.path, "%s: bus_dmamap_load " "ptr %p len %d returned %d\n", __func__, csio->data_ptr, csio->dxfer_len, error);
631#endif
632
633 if (error == EINPROGRESS) {
634 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
635 mp->error = EINVAL;
636 isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
637 } else if (error && mp->error == 0) {
638#ifdef DIAGNOSTIC
639 isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
640#endif
641 mp->error = error;
642 }
643 } else {
644 /* Pointer to physical buffer */
645 struct bus_dma_segment seg;
646 seg.ds_addr = (bus_addr_t)(vm_offset_t)csio->data_ptr;
647 seg.ds_len = csio->dxfer_len;
648 (*eptr)(mp, &seg, 1, 0);
649 }
650 } else {
651 struct bus_dma_segment *segs;
652
653 if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
654 isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported");
655 mp->error = EINVAL;
656 } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
657 isp_prt(isp, ISP_LOGERR, "Physical SG/LIST Phys segment pointers unsupported");
658 mp->error = EINVAL;
659 } else {
660 /* Just use the segments provided */
661 segs = (struct bus_dma_segment *) csio->data_ptr;
662 (*eptr)(mp, segs, csio->sglist_cnt, 0);
663 }
664 }
665 if (mp->error) {
666 int retval = CMD_COMPLETE;
667 if (mp->error == MUSHERR_NOQENTRIES) {
668 retval = CMD_EAGAIN;
669 } else if (mp->error == EFBIG) {
670 XS_SETERR(csio, CAM_REQ_TOO_BIG);
671 } else if (mp->error == EINVAL) {
672 XS_SETERR(csio, CAM_REQ_INVALID);
673 } else {
674 XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
675 }
676 return (retval);
677 }
678 return (CMD_QUEUED);
679}
680
681static void
682isp_sbus_reset0(ispsoftc_t *isp)
683{
684 ISP_DISABLE_INTS(isp);
685}
686
687static void
688isp_sbus_reset1(ispsoftc_t *isp)
689{
690 ISP_ENABLE_INTS(isp);
691}
692
693static void
694isp_sbus_dumpregs(ispsoftc_t *isp, const char *msg)
695{
696 if (msg)
697 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
698 else
699 printf("%s:\n", device_get_nameunit(isp->isp_dev));
700 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
701 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
702 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
703 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
704
705
706 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
707 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
708 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
709 ISP_READ(isp, CDMA_FIFO_STS));
710 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
711 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
712 ISP_READ(isp, DDMA_FIFO_STS));
713 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
714 ISP_READ(isp, SXP_INTERRUPT),
715 ISP_READ(isp, SXP_GROSS_ERR),
716 ISP_READ(isp, SXP_PINS_CTRL));
717 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
718 printf(" mbox regs: %x %x %x %x %x\n",
719 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
720 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
721 ISP_READ(isp, OUTMAILBOX4));
722}
| 604 mp->error = MUSHERR_NOQENTRIES;
605 }
606}
607
608static int
609isp_sbus_dmasetup(ispsoftc_t *isp, struct ccb_scsiio *csio, void *ff)
610{
611 mush_t mush, *mp;
612 void (*eptr)(void *, bus_dma_segment_t *, int, int);
613
614 mp = &mush;
615 mp->isp = isp;
616 mp->cmd_token = csio;
617 mp->rq = ff;
618 mp->error = 0;
619 mp->mapsize = 0;
620
621 eptr = dma2;
622
623 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_NONE || (csio->dxfer_len == 0)) {
624 (*eptr)(mp, NULL, 0, 0);
625 } else if ((csio->ccb_h.flags & CAM_SCATTER_VALID) == 0) {
626 if ((csio->ccb_h.flags & CAM_DATA_PHYS) == 0) {
627 int error;
628 error = bus_dmamap_load(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap, csio->data_ptr, csio->dxfer_len, eptr, mp, 0);
629#if 0
630 xpt_print(csio->ccb_h.path, "%s: bus_dmamap_load " "ptr %p len %d returned %d\n", __func__, csio->data_ptr, csio->dxfer_len, error);
631#endif
632
633 if (error == EINPROGRESS) {
634 bus_dmamap_unload(isp->isp_osinfo.dmat, PISP_PCMD(csio)->dmap);
635 mp->error = EINVAL;
636 isp_prt(isp, ISP_LOGERR, "deferred dma allocation not supported");
637 } else if (error && mp->error == 0) {
638#ifdef DIAGNOSTIC
639 isp_prt(isp, ISP_LOGERR, "error %d in dma mapping code", error);
640#endif
641 mp->error = error;
642 }
643 } else {
644 /* Pointer to physical buffer */
645 struct bus_dma_segment seg;
646 seg.ds_addr = (bus_addr_t)(vm_offset_t)csio->data_ptr;
647 seg.ds_len = csio->dxfer_len;
648 (*eptr)(mp, &seg, 1, 0);
649 }
650 } else {
651 struct bus_dma_segment *segs;
652
653 if ((csio->ccb_h.flags & CAM_DATA_PHYS) != 0) {
654 isp_prt(isp, ISP_LOGERR, "Physical segment pointers unsupported");
655 mp->error = EINVAL;
656 } else if ((csio->ccb_h.flags & CAM_SG_LIST_PHYS) == 0) {
657 isp_prt(isp, ISP_LOGERR, "Physical SG/LIST Phys segment pointers unsupported");
658 mp->error = EINVAL;
659 } else {
660 /* Just use the segments provided */
661 segs = (struct bus_dma_segment *) csio->data_ptr;
662 (*eptr)(mp, segs, csio->sglist_cnt, 0);
663 }
664 }
665 if (mp->error) {
666 int retval = CMD_COMPLETE;
667 if (mp->error == MUSHERR_NOQENTRIES) {
668 retval = CMD_EAGAIN;
669 } else if (mp->error == EFBIG) {
670 XS_SETERR(csio, CAM_REQ_TOO_BIG);
671 } else if (mp->error == EINVAL) {
672 XS_SETERR(csio, CAM_REQ_INVALID);
673 } else {
674 XS_SETERR(csio, CAM_UNREC_HBA_ERROR);
675 }
676 return (retval);
677 }
678 return (CMD_QUEUED);
679}
680
681static void
682isp_sbus_reset0(ispsoftc_t *isp)
683{
684 ISP_DISABLE_INTS(isp);
685}
686
687static void
688isp_sbus_reset1(ispsoftc_t *isp)
689{
690 ISP_ENABLE_INTS(isp);
691}
692
693static void
694isp_sbus_dumpregs(ispsoftc_t *isp, const char *msg)
695{
696 if (msg)
697 printf("%s: %s\n", device_get_nameunit(isp->isp_dev), msg);
698 else
699 printf("%s:\n", device_get_nameunit(isp->isp_dev));
700 printf(" biu_conf1=%x", ISP_READ(isp, BIU_CONF1));
701 printf(" biu_icr=%x biu_isr=%x biu_sema=%x ", ISP_READ(isp, BIU_ICR),
702 ISP_READ(isp, BIU_ISR), ISP_READ(isp, BIU_SEMA));
703 printf("risc_hccr=%x\n", ISP_READ(isp, HCCR));
704
705
706 ISP_WRITE(isp, HCCR, HCCR_CMD_PAUSE);
707 printf(" cdma_conf=%x cdma_sts=%x cdma_fifostat=%x\n",
708 ISP_READ(isp, CDMA_CONF), ISP_READ(isp, CDMA_STATUS),
709 ISP_READ(isp, CDMA_FIFO_STS));
710 printf(" ddma_conf=%x ddma_sts=%x ddma_fifostat=%x\n",
711 ISP_READ(isp, DDMA_CONF), ISP_READ(isp, DDMA_STATUS),
712 ISP_READ(isp, DDMA_FIFO_STS));
713 printf(" sxp_int=%x sxp_gross=%x sxp(scsi_ctrl)=%x\n",
714 ISP_READ(isp, SXP_INTERRUPT),
715 ISP_READ(isp, SXP_GROSS_ERR),
716 ISP_READ(isp, SXP_PINS_CTRL));
717 ISP_WRITE(isp, HCCR, HCCR_CMD_RELEASE);
718 printf(" mbox regs: %x %x %x %x %x\n",
719 ISP_READ(isp, OUTMAILBOX0), ISP_READ(isp, OUTMAILBOX1),
720 ISP_READ(isp, OUTMAILBOX2), ISP_READ(isp, OUTMAILBOX3),
721 ISP_READ(isp, OUTMAILBOX4));
722}
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