arcmsr.c revision 1.26.6.1 1 /* $NetBSD: arcmsr.c,v 1.26.6.1 2011/06/23 14:20:03 cherry Exp $ */
2 /* $OpenBSD: arc.c,v 1.68 2007/10/27 03:28:27 dlg Exp $ */
3
4 /*
5 * Copyright (c) 2007, 2008 Juan Romero Pardines <xtraeme (at) netbsd.org>
6 * Copyright (c) 2006 David Gwynne <dlg (at) openbsd.org>
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19 */
20
21 #include "bio.h"
22
23 #include <sys/cdefs.h>
24 __KERNEL_RCSID(0, "$NetBSD: arcmsr.c,v 1.26.6.1 2011/06/23 14:20:03 cherry Exp $");
25
26 #include <sys/param.h>
27 #include <sys/buf.h>
28 #include <sys/kernel.h>
29 #include <sys/malloc.h>
30 #include <sys/device.h>
31 #include <sys/kmem.h>
32 #include <sys/kthread.h>
33 #include <sys/mutex.h>
34 #include <sys/condvar.h>
35 #include <sys/rwlock.h>
36
37 #if NBIO > 0
38 #include <sys/ioctl.h>
39 #include <dev/biovar.h>
40 #endif
41
42 #include <dev/pci/pcireg.h>
43 #include <dev/pci/pcivar.h>
44 #include <dev/pci/pcidevs.h>
45
46 #include <dev/scsipi/scsipi_all.h>
47 #include <dev/scsipi/scsi_all.h>
48 #include <dev/scsipi/scsiconf.h>
49
50 #include <dev/sysmon/sysmonvar.h>
51
52 #include <sys/bus.h>
53
54 #include <dev/pci/arcmsrvar.h>
55
56 /* #define ARC_DEBUG */
57 #ifdef ARC_DEBUG
58 #define ARC_D_INIT (1<<0)
59 #define ARC_D_RW (1<<1)
60 #define ARC_D_DB (1<<2)
61
62 int arcdebug = 0;
63
64 #define DPRINTF(p...) do { if (arcdebug) printf(p); } while (0)
65 #define DNPRINTF(n, p...) do { if ((n) & arcdebug) printf(p); } while (0)
66
67 #else
68 #define DPRINTF(p, ...) /* p */
69 #define DNPRINTF(n, p, ...) /* n, p */
70 #endif
71
72 /*
73 * the fw header must always equal this.
74 */
75 static struct arc_fw_hdr arc_fw_hdr = { 0x5e, 0x01, 0x61 };
76
77 /*
78 * autoconf(9) glue.
79 */
80 static int arc_match(device_t, cfdata_t, void *);
81 static void arc_attach(device_t, device_t, void *);
82 static int arc_detach(device_t, int);
83 static bool arc_shutdown(device_t, int);
84 static int arc_intr(void *);
85 static void arc_minphys(struct buf *);
86
87 CFATTACH_DECL_NEW(arcmsr, sizeof(struct arc_softc),
88 arc_match, arc_attach, arc_detach, NULL);
89
90 /*
91 * bio(4) and sysmon_envsys(9) glue.
92 */
93 #if NBIO > 0
94 static int arc_bioctl(device_t, u_long, void *);
95 static int arc_bio_inq(struct arc_softc *, struct bioc_inq *);
96 static int arc_bio_vol(struct arc_softc *, struct bioc_vol *);
97 static int arc_bio_disk_volume(struct arc_softc *, struct bioc_disk *);
98 static int arc_bio_disk_novol(struct arc_softc *, struct bioc_disk *);
99 static void arc_bio_disk_filldata(struct arc_softc *, struct bioc_disk *,
100 struct arc_fw_diskinfo *, int);
101 static int arc_bio_alarm(struct arc_softc *, struct bioc_alarm *);
102 static int arc_bio_alarm_state(struct arc_softc *, struct bioc_alarm *);
103 static int arc_bio_getvol(struct arc_softc *, int,
104 struct arc_fw_volinfo *);
105 static int arc_bio_setstate(struct arc_softc *, struct bioc_setstate *);
106 static int arc_bio_volops(struct arc_softc *, struct bioc_volops *);
107 static void arc_create_sensors(void *);
108 static void arc_refresh_sensors(struct sysmon_envsys *, envsys_data_t *);
109 static int arc_fw_parse_status_code(struct arc_softc *, uint8_t *);
110 #endif
111
112 static int
113 arc_match(device_t parent, cfdata_t match, void *aux)
114 {
115 struct pci_attach_args *pa = aux;
116
117 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ARECA) {
118 switch (PCI_PRODUCT(pa->pa_id)) {
119 case PCI_PRODUCT_ARECA_ARC1110:
120 case PCI_PRODUCT_ARECA_ARC1120:
121 case PCI_PRODUCT_ARECA_ARC1130:
122 case PCI_PRODUCT_ARECA_ARC1160:
123 case PCI_PRODUCT_ARECA_ARC1170:
124 case PCI_PRODUCT_ARECA_ARC1200:
125 case PCI_PRODUCT_ARECA_ARC1202:
126 case PCI_PRODUCT_ARECA_ARC1210:
127 case PCI_PRODUCT_ARECA_ARC1220:
128 case PCI_PRODUCT_ARECA_ARC1230:
129 case PCI_PRODUCT_ARECA_ARC1260:
130 case PCI_PRODUCT_ARECA_ARC1270:
131 case PCI_PRODUCT_ARECA_ARC1280:
132 case PCI_PRODUCT_ARECA_ARC1380:
133 case PCI_PRODUCT_ARECA_ARC1381:
134 case PCI_PRODUCT_ARECA_ARC1680:
135 case PCI_PRODUCT_ARECA_ARC1681:
136 return 1;
137 default:
138 break;
139 }
140 }
141
142 return 0;
143 }
144
145 static void
146 arc_attach(device_t parent, device_t self, void *aux)
147 {
148 struct arc_softc *sc = device_private(self);
149 struct pci_attach_args *pa = aux;
150 struct scsipi_adapter *adapt = &sc->sc_adapter;
151 struct scsipi_channel *chan = &sc->sc_chan;
152
153 sc->sc_dev = self;
154 sc->sc_talking = 0;
155 rw_init(&sc->sc_rwlock);
156 mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_BIO);
157 cv_init(&sc->sc_condvar, "arcdb");
158
159 if (arc_map_pci_resources(self, pa) != 0) {
160 /* error message printed by arc_map_pci_resources */
161 return;
162 }
163
164 if (arc_query_firmware(self) != 0) {
165 /* error message printed by arc_query_firmware */
166 goto unmap_pci;
167 }
168
169 if (arc_alloc_ccbs(self) != 0) {
170 /* error message printed by arc_alloc_ccbs */
171 goto unmap_pci;
172 }
173
174 if (!pmf_device_register1(self, NULL, NULL, arc_shutdown))
175 panic("%s: couldn't establish shutdown handler\n",
176 device_xname(self));
177
178 memset(adapt, 0, sizeof(*adapt));
179 adapt->adapt_dev = self;
180 adapt->adapt_nchannels = 1;
181 adapt->adapt_openings = sc->sc_req_count / ARC_MAX_TARGET;
182 adapt->adapt_max_periph = adapt->adapt_openings;
183 adapt->adapt_minphys = arc_minphys;
184 adapt->adapt_request = arc_scsi_cmd;
185
186 memset(chan, 0, sizeof(*chan));
187 chan->chan_adapter = adapt;
188 chan->chan_bustype = &scsi_bustype;
189 chan->chan_nluns = ARC_MAX_LUN;
190 chan->chan_ntargets = ARC_MAX_TARGET;
191 chan->chan_id = ARC_MAX_TARGET;
192 chan->chan_flags = SCSIPI_CHAN_NOSETTLE;
193
194 /*
195 * Save the device_t returned, because we could to attach
196 * devices via the management interface.
197 */
198 sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint);
199
200 /* enable interrupts */
201 arc_write(sc, ARC_REG_INTRMASK,
202 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL));
203
204 #if NBIO > 0
205 /*
206 * Register the driver to bio(4) and setup the sensors.
207 */
208 if (bio_register(self, arc_bioctl) != 0)
209 panic("%s: bioctl registration failed\n", device_xname(self));
210
211 /*
212 * you need to talk to the firmware to get volume info. our firmware
213 * interface relies on being able to sleep, so we need to use a thread
214 * to do the work.
215 */
216 if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL,
217 arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors") != 0)
218 panic("%s: unable to create a kernel thread for sensors\n",
219 device_xname(self));
220 #endif
221
222 return;
223
224 unmap_pci:
225 arc_unmap_pci_resources(sc);
226 }
227
228 static int
229 arc_detach(device_t self, int flags)
230 {
231 struct arc_softc *sc = device_private(self);
232
233 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0)
234 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n");
235
236 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0)
237 aprint_error_dev(self, "timeout waiting to flush cache\n");
238
239 if (sc->sc_sme != NULL)
240 sysmon_envsys_unregister(sc->sc_sme);
241
242 return 0;
243 }
244
245 static bool
246 arc_shutdown(device_t self, int how)
247 {
248 struct arc_softc *sc = device_private(self);
249
250 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0)
251 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n");
252
253 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0)
254 aprint_error_dev(self, "timeout waiting to flush cache\n");
255
256 return true;
257 }
258
259 static void
260 arc_minphys(struct buf *bp)
261 {
262 if (bp->b_bcount > MAXPHYS)
263 bp->b_bcount = MAXPHYS;
264 minphys(bp);
265 }
266
267 static int
268 arc_intr(void *arg)
269 {
270 struct arc_softc *sc = arg;
271 struct arc_ccb *ccb = NULL;
272 char *kva = ARC_DMA_KVA(sc->sc_requests);
273 struct arc_io_cmd *cmd;
274 uint32_t reg, intrstat;
275
276 mutex_spin_enter(&sc->sc_mutex);
277 intrstat = arc_read(sc, ARC_REG_INTRSTAT);
278 if (intrstat == 0x0) {
279 mutex_spin_exit(&sc->sc_mutex);
280 return 0;
281 }
282
283 intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL;
284 arc_write(sc, ARC_REG_INTRSTAT, intrstat);
285
286 if (intrstat & ARC_REG_INTRSTAT_DOORBELL) {
287 if (sc->sc_talking) {
288 arc_write(sc, ARC_REG_INTRMASK,
289 ~ARC_REG_INTRMASK_POSTQUEUE);
290 cv_broadcast(&sc->sc_condvar);
291 } else {
292 /* otherwise drop it */
293 reg = arc_read(sc, ARC_REG_OUTB_DOORBELL);
294 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg);
295 if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK)
296 arc_write(sc, ARC_REG_INB_DOORBELL,
297 ARC_REG_INB_DOORBELL_READ_OK);
298 }
299 }
300 mutex_spin_exit(&sc->sc_mutex);
301
302 while ((reg = arc_pop(sc)) != 0xffffffff) {
303 cmd = (struct arc_io_cmd *)(kva +
304 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) -
305 (uint32_t)ARC_DMA_DVA(sc->sc_requests)));
306 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)];
307
308 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests),
309 ccb->ccb_offset, ARC_MAX_IOCMDLEN,
310 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
311
312 arc_scsi_cmd_done(sc, ccb, reg);
313 }
314
315
316 return 1;
317 }
318
319 void
320 arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg)
321 {
322 struct scsipi_periph *periph;
323 struct scsipi_xfer *xs;
324 struct scsipi_adapter *adapt = chan->chan_adapter;
325 struct arc_softc *sc = device_private(adapt->adapt_dev);
326 struct arc_ccb *ccb;
327 struct arc_msg_scsicmd *cmd;
328 uint32_t reg;
329 uint8_t target;
330
331 switch (req) {
332 case ADAPTER_REQ_GROW_RESOURCES:
333 /* Not supported. */
334 return;
335 case ADAPTER_REQ_SET_XFER_MODE:
336 /* Not supported. */
337 return;
338 case ADAPTER_REQ_RUN_XFER:
339 break;
340 }
341
342 mutex_spin_enter(&sc->sc_mutex);
343
344 xs = arg;
345 periph = xs->xs_periph;
346 target = periph->periph_target;
347
348 if (xs->cmdlen > ARC_MSG_CDBLEN) {
349 memset(&xs->sense, 0, sizeof(xs->sense));
350 xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70;
351 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST;
352 xs->sense.scsi_sense.asc = 0x20;
353 xs->error = XS_SENSE;
354 xs->status = SCSI_CHECK;
355 mutex_spin_exit(&sc->sc_mutex);
356 scsipi_done(xs);
357 return;
358 }
359
360 ccb = arc_get_ccb(sc);
361 if (ccb == NULL) {
362 xs->error = XS_RESOURCE_SHORTAGE;
363 mutex_spin_exit(&sc->sc_mutex);
364 scsipi_done(xs);
365 return;
366 }
367
368 ccb->ccb_xs = xs;
369
370 if (arc_load_xs(ccb) != 0) {
371 xs->error = XS_DRIVER_STUFFUP;
372 arc_put_ccb(sc, ccb);
373 mutex_spin_exit(&sc->sc_mutex);
374 scsipi_done(xs);
375 return;
376 }
377
378 cmd = &ccb->ccb_cmd->cmd;
379 reg = ccb->ccb_cmd_post;
380
381 /* bus is always 0 */
382 cmd->target = target;
383 cmd->lun = periph->periph_lun;
384 cmd->function = 1; /* XXX magic number */
385
386 cmd->cdb_len = xs->cmdlen;
387 cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs;
388 if (xs->xs_control & XS_CTL_DATA_OUT)
389 cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE;
390 if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) {
391 cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512;
392 reg |= ARC_REG_POST_QUEUE_BIGFRAME;
393 }
394
395 cmd->context = htole32(ccb->ccb_id);
396 cmd->data_len = htole32(xs->datalen);
397
398 memcpy(cmd->cdb, xs->cmd, xs->cmdlen);
399
400 /* we've built the command, let's put it on the hw */
401 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests),
402 ccb->ccb_offset, ARC_MAX_IOCMDLEN,
403 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
404
405 arc_push(sc, reg);
406 if (xs->xs_control & XS_CTL_POLL) {
407 if (arc_complete(sc, ccb, xs->timeout) != 0) {
408 xs->error = XS_DRIVER_STUFFUP;
409 mutex_spin_exit(&sc->sc_mutex);
410 scsipi_done(xs);
411 return;
412 }
413 }
414
415 mutex_spin_exit(&sc->sc_mutex);
416 }
417
418 int
419 arc_load_xs(struct arc_ccb *ccb)
420 {
421 struct arc_softc *sc = ccb->ccb_sc;
422 struct scsipi_xfer *xs = ccb->ccb_xs;
423 bus_dmamap_t dmap = ccb->ccb_dmamap;
424 struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge;
425 uint64_t addr;
426 int i, error;
427
428 if (xs->datalen == 0)
429 return 0;
430
431 error = bus_dmamap_load(sc->sc_dmat, dmap,
432 xs->data, xs->datalen, NULL,
433 (xs->xs_control & XS_CTL_NOSLEEP) ?
434 BUS_DMA_NOWAIT : BUS_DMA_WAITOK);
435 if (error != 0) {
436 aprint_error("%s: error %d loading dmamap\n",
437 device_xname(sc->sc_dev), error);
438 return 1;
439 }
440
441 for (i = 0; i < dmap->dm_nsegs; i++) {
442 sge = &sgl[i];
443
444 sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len);
445 addr = dmap->dm_segs[i].ds_addr;
446 sge->sg_hi_addr = htole32((uint32_t)(addr >> 32));
447 sge->sg_lo_addr = htole32((uint32_t)addr);
448 }
449
450 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize,
451 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD :
452 BUS_DMASYNC_PREWRITE);
453
454 return 0;
455 }
456
457 void
458 arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg)
459 {
460 struct scsipi_xfer *xs = ccb->ccb_xs;
461 struct arc_msg_scsicmd *cmd;
462
463 if (xs->datalen != 0) {
464 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0,
465 ccb->ccb_dmamap->dm_mapsize,
466 (xs->xs_control & XS_CTL_DATA_IN) ?
467 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
468 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap);
469 }
470
471 /* timeout_del */
472 xs->status |= XS_STS_DONE;
473
474 if (reg & ARC_REG_REPLY_QUEUE_ERR) {
475 cmd = &ccb->ccb_cmd->cmd;
476
477 switch (cmd->status) {
478 case ARC_MSG_STATUS_SELTIMEOUT:
479 case ARC_MSG_STATUS_ABORTED:
480 case ARC_MSG_STATUS_INIT_FAIL:
481 xs->status = SCSI_OK;
482 xs->error = XS_SELTIMEOUT;
483 break;
484
485 case SCSI_CHECK:
486 memset(&xs->sense, 0, sizeof(xs->sense));
487 memcpy(&xs->sense, cmd->sense_data,
488 min(ARC_MSG_SENSELEN, sizeof(xs->sense)));
489 xs->sense.scsi_sense.response_code =
490 SSD_RCODE_VALID | 0x70;
491 xs->status = SCSI_CHECK;
492 xs->error = XS_SENSE;
493 xs->resid = 0;
494 break;
495
496 default:
497 /* unknown device status */
498 xs->error = XS_BUSY; /* try again later? */
499 xs->status = SCSI_BUSY;
500 break;
501 }
502 } else {
503 xs->status = SCSI_OK;
504 xs->error = XS_NOERROR;
505 xs->resid = 0;
506 }
507
508 arc_put_ccb(sc, ccb);
509 scsipi_done(xs);
510 }
511
512 int
513 arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout)
514 {
515 struct arc_ccb *ccb = NULL;
516 char *kva = ARC_DMA_KVA(sc->sc_requests);
517 struct arc_io_cmd *cmd;
518 uint32_t reg;
519
520 do {
521 reg = arc_pop(sc);
522 if (reg == 0xffffffff) {
523 if (timeout-- == 0)
524 return 1;
525
526 delay(1000);
527 continue;
528 }
529
530 cmd = (struct arc_io_cmd *)(kva +
531 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) -
532 ARC_DMA_DVA(sc->sc_requests)));
533 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)];
534
535 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests),
536 ccb->ccb_offset, ARC_MAX_IOCMDLEN,
537 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
538
539 arc_scsi_cmd_done(sc, ccb, reg);
540 } while (nccb != ccb);
541
542 return 0;
543 }
544
545 int
546 arc_map_pci_resources(device_t self, struct pci_attach_args *pa)
547 {
548 struct arc_softc *sc = device_private(self);
549 pcireg_t memtype;
550 pci_intr_handle_t ih;
551
552 sc->sc_pc = pa->pa_pc;
553 sc->sc_tag = pa->pa_tag;
554 sc->sc_dmat = pa->pa_dmat;
555
556 memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR);
557 if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot,
558 &sc->sc_ioh, NULL, &sc->sc_ios) != 0) {
559 aprint_error(": unable to map system interface register\n");
560 return 1;
561 }
562
563 if (pci_intr_map(pa, &ih) != 0) {
564 aprint_error(": unable to map interrupt\n");
565 goto unmap;
566 }
567
568 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
569 arc_intr, sc);
570 if (sc->sc_ih == NULL) {
571 aprint_error(": unable to map interrupt [2]\n");
572 goto unmap;
573 }
574
575 aprint_normal("\n");
576 aprint_normal_dev(self, "interrupting at %s\n",
577 pci_intr_string(pa->pa_pc, ih));
578
579 return 0;
580
581 unmap:
582 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
583 sc->sc_ios = 0;
584 return 1;
585 }
586
587 void
588 arc_unmap_pci_resources(struct arc_softc *sc)
589 {
590 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
591 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
592 sc->sc_ios = 0;
593 }
594
595 int
596 arc_query_firmware(device_t self)
597 {
598 struct arc_softc *sc = device_private(self);
599 struct arc_msg_firmware_info fwinfo;
600 char string[81]; /* sizeof(vendor)*2+1 */
601
602 if (arc_wait_eq(sc, ARC_REG_OUTB_ADDR1, ARC_REG_OUTB_ADDR1_FIRMWARE_OK,
603 ARC_REG_OUTB_ADDR1_FIRMWARE_OK) != 0) {
604 aprint_debug_dev(self, "timeout waiting for firmware ok\n");
605 return 1;
606 }
607
608 if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) {
609 aprint_debug_dev(self, "timeout waiting for get config\n");
610 return 1;
611 }
612
613 if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) {
614 aprint_debug_dev(self, "timeout waiting to start bg rebuild\n");
615 return 1;
616 }
617
618 arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo));
619
620 DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n",
621 device_xname(self), htole32(fwinfo.signature));
622
623 if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) {
624 aprint_error_dev(self, "invalid firmware info from iop\n");
625 return 1;
626 }
627
628 DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n",
629 device_xname(self), htole32(fwinfo.request_len));
630 DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n",
631 device_xname(self), htole32(fwinfo.queue_len));
632 DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n",
633 device_xname(self), htole32(fwinfo.sdram_size));
634 DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n",
635 device_xname(self), htole32(fwinfo.sata_ports));
636
637 scsipi_strvis(string, 81, fwinfo.vendor, sizeof(fwinfo.vendor));
638 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n",
639 device_xname(self), string);
640
641 scsipi_strvis(string, 17, fwinfo.model, sizeof(fwinfo.model));
642 aprint_normal_dev(self, "Areca %s Host Adapter RAID controller\n",
643 string);
644
645 scsipi_strvis(string, 33, fwinfo.fw_version, sizeof(fwinfo.fw_version));
646 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n",
647 device_xname(self), string);
648
649 aprint_normal_dev(self, "%d ports, %dMB SDRAM, firmware <%s>\n",
650 htole32(fwinfo.sata_ports), htole32(fwinfo.sdram_size), string);
651
652 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) {
653 aprint_error_dev(self,
654 "unexpected request frame size (%d != %d)\n",
655 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN);
656 return 1;
657 }
658
659 sc->sc_req_count = htole32(fwinfo.queue_len);
660
661 return 0;
662 }
663
664 #if NBIO > 0
665 static int
666 arc_bioctl(device_t self, u_long cmd, void *addr)
667 {
668 struct arc_softc *sc = device_private(self);
669 int error = 0;
670
671 switch (cmd) {
672 case BIOCINQ:
673 error = arc_bio_inq(sc, (struct bioc_inq *)addr);
674 break;
675
676 case BIOCVOL:
677 error = arc_bio_vol(sc, (struct bioc_vol *)addr);
678 break;
679
680 case BIOCDISK:
681 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr);
682 break;
683
684 case BIOCDISK_NOVOL:
685 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr);
686 break;
687
688 case BIOCALARM:
689 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr);
690 break;
691
692 case BIOCSETSTATE:
693 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr);
694 break;
695
696 case BIOCVOLOPS:
697 error = arc_bio_volops(sc, (struct bioc_volops *)addr);
698 break;
699
700 default:
701 error = ENOTTY;
702 break;
703 }
704
705 return error;
706 }
707
708 static int
709 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply)
710 {
711 switch (*reply) {
712 case ARC_FW_CMD_RAIDINVAL:
713 printf("%s: firmware error (invalid raid set)\n",
714 device_xname(sc->sc_dev));
715 return EINVAL;
716 case ARC_FW_CMD_VOLINVAL:
717 printf("%s: firmware error (invalid volume set)\n",
718 device_xname(sc->sc_dev));
719 return EINVAL;
720 case ARC_FW_CMD_NORAID:
721 printf("%s: firmware error (unexistent raid set)\n",
722 device_xname(sc->sc_dev));
723 return ENODEV;
724 case ARC_FW_CMD_NOVOLUME:
725 printf("%s: firmware error (unexistent volume set)\n",
726 device_xname(sc->sc_dev));
727 return ENODEV;
728 case ARC_FW_CMD_NOPHYSDRV:
729 printf("%s: firmware error (unexistent physical drive)\n",
730 device_xname(sc->sc_dev));
731 return ENODEV;
732 case ARC_FW_CMD_PARAM_ERR:
733 printf("%s: firmware error (parameter error)\n",
734 device_xname(sc->sc_dev));
735 return EINVAL;
736 case ARC_FW_CMD_UNSUPPORTED:
737 printf("%s: firmware error (unsupported command)\n",
738 device_xname(sc->sc_dev));
739 return EOPNOTSUPP;
740 case ARC_FW_CMD_DISKCFG_CHGD:
741 printf("%s: firmware error (disk configuration changed)\n",
742 device_xname(sc->sc_dev));
743 return EINVAL;
744 case ARC_FW_CMD_PASS_INVAL:
745 printf("%s: firmware error (invalid password)\n",
746 device_xname(sc->sc_dev));
747 return EINVAL;
748 case ARC_FW_CMD_NODISKSPACE:
749 printf("%s: firmware error (no disk space available)\n",
750 device_xname(sc->sc_dev));
751 return EOPNOTSUPP;
752 case ARC_FW_CMD_CHECKSUM_ERR:
753 printf("%s: firmware error (checksum error)\n",
754 device_xname(sc->sc_dev));
755 return EINVAL;
756 case ARC_FW_CMD_PASS_REQD:
757 printf("%s: firmware error (password required)\n",
758 device_xname(sc->sc_dev));
759 return EPERM;
760 case ARC_FW_CMD_OK:
761 default:
762 return 0;
763 }
764 }
765
766 static int
767 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba)
768 {
769 uint8_t request[2], reply[1];
770 size_t len;
771 int error = 0;
772
773 switch (ba->ba_opcode) {
774 case BIOC_SAENABLE:
775 case BIOC_SADISABLE:
776 request[0] = ARC_FW_SET_ALARM;
777 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ?
778 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE;
779 len = sizeof(request);
780
781 break;
782
783 case BIOC_SASILENCE:
784 request[0] = ARC_FW_MUTE_ALARM;
785 len = 1;
786
787 break;
788
789 case BIOC_GASTATUS:
790 /* system info is too big/ugly to deal with here */
791 return arc_bio_alarm_state(sc, ba);
792
793 default:
794 return EOPNOTSUPP;
795 }
796
797 error = arc_msgbuf(sc, request, len, reply, sizeof(reply));
798 if (error != 0)
799 return error;
800
801 return arc_fw_parse_status_code(sc, &reply[0]);
802 }
803
804 static int
805 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba)
806 {
807 struct arc_fw_sysinfo *sysinfo;
808 uint8_t request;
809 int error = 0;
810
811 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP);
812
813 request = ARC_FW_SYSINFO;
814 error = arc_msgbuf(sc, &request, sizeof(request),
815 sysinfo, sizeof(struct arc_fw_sysinfo));
816
817 if (error != 0)
818 goto out;
819
820 ba->ba_status = sysinfo->alarm;
821
822 out:
823 kmem_free(sysinfo, sizeof(*sysinfo));
824 return error;
825 }
826
827 static int
828 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc)
829 {
830 /* to create a raid set */
831 struct req_craidset {
832 uint8_t cmdcode;
833 uint32_t devmask;
834 uint8_t raidset_name[16];
835 } __packed;
836
837 /* to create a volume set */
838 struct req_cvolset {
839 uint8_t cmdcode;
840 uint8_t raidset;
841 uint8_t volset_name[16];
842 uint64_t capacity;
843 uint8_t raidlevel;
844 uint8_t stripe;
845 uint8_t scsi_chan;
846 uint8_t scsi_target;
847 uint8_t scsi_lun;
848 uint8_t tagqueue;
849 uint8_t cache;
850 uint8_t speed;
851 uint8_t quick_init;
852 } __packed;
853
854 struct scsibus_softc *scsibus_sc = NULL;
855 struct req_craidset req_craidset;
856 struct req_cvolset req_cvolset;
857 uint8_t request[2];
858 uint8_t reply[1];
859 int error = 0;
860
861 switch (bc->bc_opcode) {
862 case BIOC_VCREATE_VOLUME:
863 {
864 /*
865 * Zero out the structs so that we use some defaults
866 * in raid and volume sets.
867 */
868 memset(&req_craidset, 0, sizeof(req_craidset));
869 memset(&req_cvolset, 0, sizeof(req_cvolset));
870
871 /*
872 * Firstly we have to create the raid set and
873 * use the default name for all them.
874 */
875 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET;
876 req_craidset.devmask = bc->bc_devmask;
877 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset),
878 reply, sizeof(reply));
879 if (error != 0)
880 return error;
881
882 error = arc_fw_parse_status_code(sc, &reply[0]);
883 if (error) {
884 printf("%s: create raidset%d failed\n",
885 device_xname(sc->sc_dev), bc->bc_volid);
886 return error;
887 }
888
889 /*
890 * At this point the raid set was created, so it's
891 * time to create the volume set.
892 */
893 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME;
894 req_cvolset.raidset = bc->bc_volid;
895 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE;
896
897 /*
898 * Set the RAID level.
899 */
900 switch (bc->bc_level) {
901 case 0:
902 case 1:
903 req_cvolset.raidlevel = bc->bc_level;
904 break;
905 case BIOC_SVOL_RAID10:
906 req_cvolset.raidlevel = 1;
907 break;
908 case 3:
909 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3;
910 break;
911 case 5:
912 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5;
913 break;
914 case 6:
915 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6;
916 break;
917 default:
918 return EOPNOTSUPP;
919 }
920
921 /*
922 * Set the stripe size.
923 */
924 switch (bc->bc_stripe) {
925 case 4:
926 req_cvolset.stripe = 0;
927 break;
928 case 8:
929 req_cvolset.stripe = 1;
930 break;
931 case 16:
932 req_cvolset.stripe = 2;
933 break;
934 case 32:
935 req_cvolset.stripe = 3;
936 break;
937 case 64:
938 req_cvolset.stripe = 4;
939 break;
940 case 128:
941 req_cvolset.stripe = 5;
942 break;
943 default:
944 req_cvolset.stripe = 4; /* by default 64K */
945 break;
946 }
947
948 req_cvolset.scsi_chan = bc->bc_channel;
949 req_cvolset.scsi_target = bc->bc_target;
950 req_cvolset.scsi_lun = bc->bc_lun;
951 req_cvolset.tagqueue = 1; /* always enabled */
952 req_cvolset.cache = 1; /* always enabled */
953 req_cvolset.speed = 4; /* always max speed */
954
955 /* RAID 1 and 1+0 levels need foreground initialization */
956 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10)
957 req_cvolset.quick_init = 1; /* foreground init */
958
959 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset),
960 reply, sizeof(reply));
961 if (error != 0)
962 return error;
963
964 error = arc_fw_parse_status_code(sc, &reply[0]);
965 if (error) {
966 printf("%s: create volumeset%d failed\n",
967 device_xname(sc->sc_dev), bc->bc_volid);
968 return error;
969 }
970
971 /*
972 * If we are creating a RAID 1 or RAID 1+0 volume,
973 * the volume will be created immediately but it won't
974 * be available until the initialization is done... so
975 * don't bother attaching the sd(4) device.
976 */
977 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10)
978 break;
979
980 /*
981 * Do a rescan on the bus to attach the device associated
982 * with the new volume.
983 */
984 scsibus_sc = device_private(sc->sc_scsibus_dv);
985 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun);
986
987 break;
988 }
989 case BIOC_VREMOVE_VOLUME:
990 {
991 /*
992 * Remove the volume set specified in bc_volid.
993 */
994 request[0] = ARC_FW_DELETE_VOLUME;
995 request[1] = bc->bc_volid;
996 error = arc_msgbuf(sc, request, sizeof(request),
997 reply, sizeof(reply));
998 if (error != 0)
999 return error;
1000
1001 error = arc_fw_parse_status_code(sc, &reply[0]);
1002 if (error) {
1003 printf("%s: delete volumeset%d failed\n",
1004 device_xname(sc->sc_dev), bc->bc_volid);
1005 return error;
1006 }
1007
1008 /*
1009 * Detach the sd(4) device associated with the volume,
1010 * but if there's an error don't make it a priority.
1011 */
1012 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target,
1013 bc->bc_lun, 0);
1014 if (error)
1015 printf("%s: couldn't detach sd device for volume %d "
1016 "at %u:%u.%u (error=%d)\n",
1017 device_xname(sc->sc_dev), bc->bc_volid,
1018 bc->bc_channel, bc->bc_target, bc->bc_lun, error);
1019
1020 /*
1021 * and remove the raid set specified in bc_volid,
1022 * we only care about volumes.
1023 */
1024 request[0] = ARC_FW_DELETE_RAIDSET;
1025 request[1] = bc->bc_volid;
1026 error = arc_msgbuf(sc, request, sizeof(request),
1027 reply, sizeof(reply));
1028 if (error != 0)
1029 return error;
1030
1031 error = arc_fw_parse_status_code(sc, &reply[0]);
1032 if (error) {
1033 printf("%s: delete raidset%d failed\n",
1034 device_xname(sc->sc_dev), bc->bc_volid);
1035 return error;
1036 }
1037
1038 break;
1039 }
1040 default:
1041 return EOPNOTSUPP;
1042 }
1043
1044 return error;
1045 }
1046
1047 static int
1048 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs)
1049 {
1050 /* for a hotspare disk */
1051 struct request_hs {
1052 uint8_t cmdcode;
1053 uint32_t devmask;
1054 } __packed;
1055
1056 /* for a pass-through disk */
1057 struct request_pt {
1058 uint8_t cmdcode;
1059 uint8_t devid;
1060 uint8_t scsi_chan;
1061 uint8_t scsi_id;
1062 uint8_t scsi_lun;
1063 uint8_t tagged_queue;
1064 uint8_t cache_mode;
1065 uint8_t max_speed;
1066 } __packed;
1067
1068 struct scsibus_softc *scsibus_sc = NULL;
1069 struct request_hs req_hs; /* to add/remove hotspare */
1070 struct request_pt req_pt; /* to add a pass-through */
1071 uint8_t req_gen[2];
1072 uint8_t reply[1];
1073 int error = 0;
1074
1075 switch (bs->bs_status) {
1076 case BIOC_SSHOTSPARE:
1077 {
1078 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE;
1079 req_hs.devmask = (1 << bs->bs_target);
1080 goto hotspare;
1081 }
1082 case BIOC_SSDELHOTSPARE:
1083 {
1084 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE;
1085 req_hs.devmask = (1 << bs->bs_target);
1086 goto hotspare;
1087 }
1088 case BIOC_SSPASSTHRU:
1089 {
1090 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU;
1091 req_pt.devid = bs->bs_other_id; /* this wants device# */
1092 req_pt.scsi_chan = bs->bs_channel;
1093 req_pt.scsi_id = bs->bs_target;
1094 req_pt.scsi_lun = bs->bs_lun;
1095 req_pt.tagged_queue = 1; /* always enabled */
1096 req_pt.cache_mode = 1; /* always enabled */
1097 req_pt.max_speed = 4; /* always max speed */
1098
1099 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt),
1100 reply, sizeof(reply));
1101 if (error != 0)
1102 return error;
1103
1104 /*
1105 * Do a rescan on the bus to attach the new device
1106 * associated with the pass-through disk.
1107 */
1108 scsibus_sc = device_private(sc->sc_scsibus_dv);
1109 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun);
1110
1111 goto out;
1112 }
1113 case BIOC_SSDELPASSTHRU:
1114 {
1115 req_gen[0] = ARC_FW_DELETE_PASSTHRU;
1116 req_gen[1] = bs->bs_target;
1117 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen),
1118 reply, sizeof(reply));
1119 if (error != 0)
1120 return error;
1121
1122 /*
1123 * Detach the sd device associated with this pass-through disk.
1124 */
1125 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target,
1126 bs->bs_lun, 0);
1127 if (error)
1128 printf("%s: couldn't detach sd device for the "
1129 "pass-through disk at %u:%u.%u (error=%d)\n",
1130 device_xname(sc->sc_dev),
1131 bs->bs_channel, bs->bs_target, bs->bs_lun, error);
1132
1133 goto out;
1134 }
1135 case BIOC_SSCHECKSTART_VOL:
1136 {
1137 req_gen[0] = ARC_FW_START_CHECKVOL;
1138 req_gen[1] = bs->bs_volid;
1139 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen),
1140 reply, sizeof(reply));
1141 if (error != 0)
1142 return error;
1143
1144 goto out;
1145 }
1146 case BIOC_SSCHECKSTOP_VOL:
1147 {
1148 uint8_t req = ARC_FW_STOP_CHECKVOL;
1149 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply));
1150 if (error != 0)
1151 return error;
1152
1153 goto out;
1154 }
1155 default:
1156 return EOPNOTSUPP;
1157 }
1158
1159 hotspare:
1160 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs),
1161 reply, sizeof(reply));
1162 if (error != 0)
1163 return error;
1164
1165 out:
1166 return arc_fw_parse_status_code(sc, &reply[0]);
1167 }
1168
1169 static int
1170 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi)
1171 {
1172 uint8_t request[2];
1173 struct arc_fw_sysinfo *sysinfo = NULL;
1174 struct arc_fw_raidinfo *raidinfo;
1175 int nvols = 0, i;
1176 int error = 0;
1177
1178 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP);
1179
1180 if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) {
1181 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP);
1182
1183 request[0] = ARC_FW_SYSINFO;
1184 error = arc_msgbuf(sc, request, 1, sysinfo,
1185 sizeof(struct arc_fw_sysinfo));
1186 if (error != 0)
1187 goto out;
1188
1189 sc->sc_maxraidset = sysinfo->max_raid_set;
1190 sc->sc_maxvolset = sysinfo->max_volume_set;
1191 sc->sc_cchans = sysinfo->ide_channels;
1192 }
1193
1194 request[0] = ARC_FW_RAIDINFO;
1195 for (i = 0; i < sc->sc_maxraidset; i++) {
1196 request[1] = i;
1197 error = arc_msgbuf(sc, request, sizeof(request), raidinfo,
1198 sizeof(struct arc_fw_raidinfo));
1199 if (error != 0)
1200 goto out;
1201
1202 nvols += raidinfo->volumes;
1203 }
1204
1205 strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev));
1206 bi->bi_novol = nvols;
1207 bi->bi_nodisk = sc->sc_cchans;
1208
1209 out:
1210 if (sysinfo)
1211 kmem_free(sysinfo, sizeof(*sysinfo));
1212 kmem_free(raidinfo, sizeof(*raidinfo));
1213 return error;
1214 }
1215
1216 static int
1217 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo)
1218 {
1219 uint8_t request[2];
1220 int error = 0;
1221 int nvols = 0, i;
1222
1223 request[0] = ARC_FW_VOLINFO;
1224 for (i = 0; i < sc->sc_maxvolset; i++) {
1225 request[1] = i;
1226 error = arc_msgbuf(sc, request, sizeof(request), volinfo,
1227 sizeof(struct arc_fw_volinfo));
1228 if (error != 0)
1229 goto out;
1230
1231 if (volinfo->capacity == 0 && volinfo->capacity2 == 0)
1232 continue;
1233
1234 if (nvols == vol)
1235 break;
1236
1237 nvols++;
1238 }
1239
1240 if (nvols != vol ||
1241 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) {
1242 error = ENODEV;
1243 goto out;
1244 }
1245
1246 out:
1247 return error;
1248 }
1249
1250 static int
1251 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv)
1252 {
1253 struct arc_fw_volinfo *volinfo;
1254 uint64_t blocks;
1255 uint32_t status;
1256 int error = 0;
1257
1258 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP);
1259
1260 error = arc_bio_getvol(sc, bv->bv_volid, volinfo);
1261 if (error != 0)
1262 goto out;
1263
1264 bv->bv_percent = -1;
1265 bv->bv_seconds = 0;
1266
1267 status = htole32(volinfo->volume_status);
1268 if (status == 0x0) {
1269 if (htole32(volinfo->fail_mask) == 0x0)
1270 bv->bv_status = BIOC_SVONLINE;
1271 else
1272 bv->bv_status = BIOC_SVDEGRADED;
1273 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) {
1274 bv->bv_status = BIOC_SVDEGRADED;
1275 } else if (status & ARC_FW_VOL_STATUS_FAILED) {
1276 bv->bv_status = BIOC_SVOFFLINE;
1277 } else if (status & ARC_FW_VOL_STATUS_INITTING) {
1278 bv->bv_status = BIOC_SVBUILDING;
1279 bv->bv_percent = htole32(volinfo->progress);
1280 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) {
1281 bv->bv_status = BIOC_SVREBUILD;
1282 bv->bv_percent = htole32(volinfo->progress);
1283 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) {
1284 bv->bv_status = BIOC_SVMIGRATING;
1285 bv->bv_percent = htole32(volinfo->progress);
1286 } else if (status & ARC_FW_VOL_STATUS_CHECKING) {
1287 bv->bv_status = BIOC_SVCHECKING;
1288 bv->bv_percent = htole32(volinfo->progress);
1289 } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) {
1290 bv->bv_status = BIOC_SVOFFLINE;
1291 } else {
1292 printf("%s: volume %d status 0x%x\n",
1293 device_xname(sc->sc_dev), bv->bv_volid, status);
1294 }
1295
1296 blocks = (uint64_t)htole32(volinfo->capacity2) << 32;
1297 blocks += (uint64_t)htole32(volinfo->capacity);
1298 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */
1299
1300 switch (volinfo->raid_level) {
1301 case ARC_FW_VOL_RAIDLEVEL_0:
1302 bv->bv_level = 0;
1303 break;
1304 case ARC_FW_VOL_RAIDLEVEL_1:
1305 if (volinfo->member_disks > 2)
1306 bv->bv_level = BIOC_SVOL_RAID10;
1307 else
1308 bv->bv_level = 1;
1309 break;
1310 case ARC_FW_VOL_RAIDLEVEL_3:
1311 bv->bv_level = 3;
1312 break;
1313 case ARC_FW_VOL_RAIDLEVEL_5:
1314 bv->bv_level = 5;
1315 break;
1316 case ARC_FW_VOL_RAIDLEVEL_6:
1317 bv->bv_level = 6;
1318 break;
1319 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU:
1320 bv->bv_level = BIOC_SVOL_PASSTHRU;
1321 break;
1322 default:
1323 bv->bv_level = -1;
1324 break;
1325 }
1326
1327 bv->bv_nodisk = volinfo->member_disks;
1328 bv->bv_stripe_size = volinfo->stripe_size / 2;
1329 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid);
1330 scsipi_strvis(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name,
1331 sizeof(volinfo->set_name));
1332
1333 out:
1334 kmem_free(volinfo, sizeof(*volinfo));
1335 return error;
1336 }
1337
1338 static int
1339 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd)
1340 {
1341 struct arc_fw_diskinfo *diskinfo;
1342 uint8_t request[2];
1343 int error = 0;
1344
1345 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP);
1346
1347 if (bd->bd_diskid >= sc->sc_cchans) {
1348 error = ENODEV;
1349 goto out;
1350 }
1351
1352 request[0] = ARC_FW_DISKINFO;
1353 request[1] = bd->bd_diskid;
1354 error = arc_msgbuf(sc, request, sizeof(request),
1355 diskinfo, sizeof(struct arc_fw_diskinfo));
1356 if (error != 0)
1357 goto out;
1358
1359 /* skip disks with no capacity */
1360 if (htole32(diskinfo->capacity) == 0 &&
1361 htole32(diskinfo->capacity2) == 0)
1362 goto out;
1363
1364 bd->bd_disknovol = true;
1365 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid);
1366
1367 out:
1368 kmem_free(diskinfo, sizeof(*diskinfo));
1369 return error;
1370 }
1371
1372 static void
1373 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd,
1374 struct arc_fw_diskinfo *diskinfo, int diskid)
1375 {
1376 uint64_t blocks;
1377 char model[81];
1378 char serial[41];
1379 char rev[17];
1380
1381 /* Ignore bit zero for now, we don't know what it means */
1382 diskinfo->device_state &= ~0x1;
1383
1384 switch (diskinfo->device_state) {
1385 case ARC_FW_DISK_FAILED:
1386 bd->bd_status = BIOC_SDFAILED;
1387 break;
1388 case ARC_FW_DISK_PASSTHRU:
1389 bd->bd_status = BIOC_SDPASSTHRU;
1390 break;
1391 case ARC_FW_DISK_NORMAL:
1392 bd->bd_status = BIOC_SDONLINE;
1393 break;
1394 case ARC_FW_DISK_HOTSPARE:
1395 bd->bd_status = BIOC_SDHOTSPARE;
1396 break;
1397 case ARC_FW_DISK_UNUSED:
1398 bd->bd_status = BIOC_SDUNUSED;
1399 break;
1400 case 0:
1401 /* disk has been disconnected */
1402 bd->bd_status = BIOC_SDOFFLINE;
1403 bd->bd_channel = 1;
1404 bd->bd_target = 0;
1405 bd->bd_lun = 0;
1406 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor));
1407 break;
1408 default:
1409 printf("%s: unknown disk device_state: 0x%x\n", __func__,
1410 diskinfo->device_state);
1411 bd->bd_status = BIOC_SDINVALID;
1412 return;
1413 }
1414
1415 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32;
1416 blocks += (uint64_t)htole32(diskinfo->capacity);
1417 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */
1418
1419 scsipi_strvis(model, 81, diskinfo->model, sizeof(diskinfo->model));
1420 scsipi_strvis(serial, 41, diskinfo->serial, sizeof(diskinfo->serial));
1421 scsipi_strvis(rev, 17, diskinfo->firmware_rev,
1422 sizeof(diskinfo->firmware_rev));
1423
1424 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev);
1425 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial));
1426
1427 #if 0
1428 bd->bd_channel = diskinfo->scsi_attr.channel;
1429 bd->bd_target = diskinfo->scsi_attr.target;
1430 bd->bd_lun = diskinfo->scsi_attr.lun;
1431 #endif
1432
1433 /*
1434 * the firwmare doesnt seem to fill scsi_attr in, so fake it with
1435 * the diskid.
1436 */
1437 bd->bd_channel = 0;
1438 bd->bd_target = diskid;
1439 bd->bd_lun = 0;
1440 }
1441
1442 static int
1443 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd)
1444 {
1445 struct arc_fw_raidinfo *raidinfo;
1446 struct arc_fw_volinfo *volinfo;
1447 struct arc_fw_diskinfo *diskinfo;
1448 uint8_t request[2];
1449 int error = 0;
1450
1451 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP);
1452 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP);
1453 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP);
1454
1455 error = arc_bio_getvol(sc, bd->bd_volid, volinfo);
1456 if (error != 0)
1457 goto out;
1458
1459 request[0] = ARC_FW_RAIDINFO;
1460 request[1] = volinfo->raid_set_number;
1461
1462 error = arc_msgbuf(sc, request, sizeof(request), raidinfo,
1463 sizeof(struct arc_fw_raidinfo));
1464 if (error != 0)
1465 goto out;
1466
1467 if (bd->bd_diskid >= sc->sc_cchans ||
1468 bd->bd_diskid >= raidinfo->member_devices) {
1469 error = ENODEV;
1470 goto out;
1471 }
1472
1473 if (raidinfo->device_array[bd->bd_diskid] == 0xff) {
1474 /*
1475 * The disk has been disconnected, mark it offline
1476 * and put it on another bus.
1477 */
1478 bd->bd_channel = 1;
1479 bd->bd_target = 0;
1480 bd->bd_lun = 0;
1481 bd->bd_status = BIOC_SDOFFLINE;
1482 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor));
1483 goto out;
1484 }
1485
1486 request[0] = ARC_FW_DISKINFO;
1487 request[1] = raidinfo->device_array[bd->bd_diskid];
1488 error = arc_msgbuf(sc, request, sizeof(request), diskinfo,
1489 sizeof(struct arc_fw_diskinfo));
1490 if (error != 0)
1491 goto out;
1492
1493 /* now fill our bio disk with data from the firmware */
1494 arc_bio_disk_filldata(sc, bd, diskinfo,
1495 raidinfo->device_array[bd->bd_diskid]);
1496
1497 out:
1498 kmem_free(raidinfo, sizeof(*raidinfo));
1499 kmem_free(volinfo, sizeof(*volinfo));
1500 kmem_free(diskinfo, sizeof(*diskinfo));
1501 return error;
1502 }
1503 #endif /* NBIO > 0 */
1504
1505 uint8_t
1506 arc_msg_cksum(void *cmd, uint16_t len)
1507 {
1508 uint8_t *buf = cmd;
1509 uint8_t cksum;
1510 int i;
1511
1512 cksum = (uint8_t)(len >> 8) + (uint8_t)len;
1513 for (i = 0; i < len; i++)
1514 cksum += buf[i];
1515
1516 return cksum;
1517 }
1518
1519
1520 int
1521 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr,
1522 size_t rbuflen)
1523 {
1524 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN];
1525 uint8_t *wbuf, *rbuf;
1526 int wlen, wdone = 0, rlen, rdone = 0;
1527 struct arc_fw_bufhdr *bufhdr;
1528 uint32_t reg, rwlen;
1529 int error = 0;
1530 #ifdef ARC_DEBUG
1531 int i;
1532 #endif
1533
1534 wbuf = rbuf = NULL;
1535
1536 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n",
1537 device_xname(sc->sc_dev), wbuflen, rbuflen);
1538
1539 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */
1540 wbuf = kmem_alloc(wlen, KM_SLEEP);
1541
1542 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */
1543 rbuf = kmem_alloc(rlen, KM_SLEEP);
1544
1545 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n",
1546 device_xname(sc->sc_dev), wlen, rlen);
1547
1548 bufhdr = (struct arc_fw_bufhdr *)wbuf;
1549 bufhdr->hdr = arc_fw_hdr;
1550 bufhdr->len = htole16(wbuflen);
1551 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen);
1552 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen);
1553
1554 arc_lock(sc);
1555 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) {
1556 error = EBUSY;
1557 goto out;
1558 }
1559
1560 reg = ARC_REG_OUTB_DOORBELL_READ_OK;
1561
1562 do {
1563 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) {
1564 memset(rwbuf, 0, sizeof(rwbuf));
1565 rwlen = (wlen - wdone) % sizeof(rwbuf);
1566 memcpy(rwbuf, &wbuf[wdone], rwlen);
1567
1568 #ifdef ARC_DEBUG
1569 if (arcdebug & ARC_D_DB) {
1570 printf("%s: write %d:",
1571 device_xname(sc->sc_dev), rwlen);
1572 for (i = 0; i < rwlen; i++)
1573 printf(" 0x%02x", rwbuf[i]);
1574 printf("\n");
1575 }
1576 #endif
1577
1578 /* copy the chunk to the hw */
1579 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen);
1580 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf,
1581 sizeof(rwbuf));
1582
1583 /* say we have a buffer for the hw */
1584 arc_write(sc, ARC_REG_INB_DOORBELL,
1585 ARC_REG_INB_DOORBELL_WRITE_OK);
1586
1587 wdone += rwlen;
1588 }
1589
1590 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0)
1591 arc_wait(sc);
1592
1593 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg);
1594
1595 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n",
1596 device_xname(sc->sc_dev), reg);
1597
1598 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) {
1599 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN);
1600 if (rwlen > sizeof(rwbuf)) {
1601 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n",
1602 device_xname(sc->sc_dev));
1603 error = EIO;
1604 goto out;
1605 }
1606
1607 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf,
1608 sizeof(rwbuf));
1609
1610 arc_write(sc, ARC_REG_INB_DOORBELL,
1611 ARC_REG_INB_DOORBELL_READ_OK);
1612
1613 #ifdef ARC_DEBUG
1614 printf("%s: len: %d+%d=%d/%d\n",
1615 device_xname(sc->sc_dev),
1616 rwlen, rdone, rwlen + rdone, rlen);
1617 if (arcdebug & ARC_D_DB) {
1618 printf("%s: read:",
1619 device_xname(sc->sc_dev));
1620 for (i = 0; i < rwlen; i++)
1621 printf(" 0x%02x", rwbuf[i]);
1622 printf("\n");
1623 }
1624 #endif
1625
1626 if ((rdone + rwlen) > rlen) {
1627 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n",
1628 device_xname(sc->sc_dev));
1629 error = EIO;
1630 goto out;
1631 }
1632
1633 memcpy(&rbuf[rdone], rwbuf, rwlen);
1634 rdone += rwlen;
1635 }
1636 } while (rdone != rlen);
1637
1638 bufhdr = (struct arc_fw_bufhdr *)rbuf;
1639 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 ||
1640 bufhdr->len != htole16(rbuflen)) {
1641 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n",
1642 device_xname(sc->sc_dev));
1643 error = EIO;
1644 goto out;
1645 }
1646
1647 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen);
1648
1649 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) {
1650 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n",
1651 device_xname(sc->sc_dev));
1652 error = EIO;
1653 goto out;
1654 }
1655
1656 out:
1657 arc_unlock(sc);
1658 kmem_free(wbuf, wlen);
1659 kmem_free(rbuf, rlen);
1660
1661 return error;
1662 }
1663
1664 void
1665 arc_lock(struct arc_softc *sc)
1666 {
1667 rw_enter(&sc->sc_rwlock, RW_WRITER);
1668 mutex_spin_enter(&sc->sc_mutex);
1669 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE);
1670 sc->sc_talking = 1;
1671 }
1672
1673 void
1674 arc_unlock(struct arc_softc *sc)
1675 {
1676 KASSERT(mutex_owned(&sc->sc_mutex));
1677
1678 arc_write(sc, ARC_REG_INTRMASK,
1679 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL));
1680 sc->sc_talking = 0;
1681 mutex_spin_exit(&sc->sc_mutex);
1682 rw_exit(&sc->sc_rwlock);
1683 }
1684
1685 void
1686 arc_wait(struct arc_softc *sc)
1687 {
1688 KASSERT(mutex_owned(&sc->sc_mutex));
1689
1690 arc_write(sc, ARC_REG_INTRMASK,
1691 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL));
1692 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK)
1693 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE);
1694 }
1695
1696 #if NBIO > 0
1697 static void
1698 arc_create_sensors(void *arg)
1699 {
1700 struct arc_softc *sc = arg;
1701 struct bioc_inq bi;
1702 struct bioc_vol bv;
1703 int i, j;
1704 size_t slen, count = 0;
1705
1706 memset(&bi, 0, sizeof(bi));
1707 if (arc_bio_inq(sc, &bi) != 0) {
1708 aprint_error("%s: unable to query firmware for sensor info\n",
1709 device_xname(sc->sc_dev));
1710 kthread_exit(0);
1711 }
1712
1713 /* There's no point to continue if there are no volumes */
1714 if (!bi.bi_novol)
1715 kthread_exit(0);
1716
1717 for (i = 0; i < bi.bi_novol; i++) {
1718 memset(&bv, 0, sizeof(bv));
1719 bv.bv_volid = i;
1720 if (arc_bio_vol(sc, &bv) != 0)
1721 kthread_exit(0);
1722
1723 /* Skip passthrough volumes */
1724 if (bv.bv_level == BIOC_SVOL_PASSTHRU)
1725 continue;
1726
1727 /* new volume found */
1728 sc->sc_nsensors++;
1729 /* new disk in a volume found */
1730 sc->sc_nsensors+= bv.bv_nodisk;
1731 }
1732
1733 /* No valid volumes */
1734 if (!sc->sc_nsensors)
1735 kthread_exit(0);
1736
1737 sc->sc_sme = sysmon_envsys_create();
1738 slen = sizeof(arc_edata_t) * sc->sc_nsensors;
1739 sc->sc_arc_sensors = kmem_zalloc(slen, KM_SLEEP);
1740
1741 /* Attach sensors for volumes and disks */
1742 for (i = 0; i < bi.bi_novol; i++) {
1743 memset(&bv, 0, sizeof(bv));
1744 bv.bv_volid = i;
1745 if (arc_bio_vol(sc, &bv) != 0)
1746 goto bad;
1747
1748 sc->sc_arc_sensors[count].arc_sensor.units = ENVSYS_DRIVE;
1749 sc->sc_arc_sensors[count].arc_sensor.state = ENVSYS_SINVALID;
1750 sc->sc_arc_sensors[count].arc_sensor.value_cur =
1751 ENVSYS_DRIVE_EMPTY;
1752 sc->sc_arc_sensors[count].arc_sensor.flags =
1753 ENVSYS_FMONSTCHANGED;
1754
1755 /* Skip passthrough volumes */
1756 if (bv.bv_level == BIOC_SVOL_PASSTHRU)
1757 continue;
1758
1759 if (bv.bv_level == BIOC_SVOL_RAID10)
1760 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc,
1761 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc),
1762 "RAID 1+0 volume%d (%s)", i, bv.bv_dev);
1763 else
1764 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc,
1765 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc),
1766 "RAID %d volume%d (%s)", bv.bv_level, i,
1767 bv.bv_dev);
1768
1769 sc->sc_arc_sensors[count].arc_volid = i;
1770
1771 if (sysmon_envsys_sensor_attach(sc->sc_sme,
1772 &sc->sc_arc_sensors[count].arc_sensor))
1773 goto bad;
1774
1775 count++;
1776
1777 /* Attach disk sensors for this volume */
1778 for (j = 0; j < bv.bv_nodisk; j++) {
1779 sc->sc_arc_sensors[count].arc_sensor.state =
1780 ENVSYS_SINVALID;
1781 sc->sc_arc_sensors[count].arc_sensor.units =
1782 ENVSYS_DRIVE;
1783 sc->sc_arc_sensors[count].arc_sensor.value_cur =
1784 ENVSYS_DRIVE_EMPTY;
1785 sc->sc_arc_sensors[count].arc_sensor.flags =
1786 ENVSYS_FMONSTCHANGED;
1787
1788 snprintf(sc->sc_arc_sensors[count].arc_sensor.desc,
1789 sizeof(sc->sc_arc_sensors[count].arc_sensor.desc),
1790 "disk%d volume%d (%s)", j, i, bv.bv_dev);
1791 sc->sc_arc_sensors[count].arc_volid = i;
1792 sc->sc_arc_sensors[count].arc_diskid = j + 10;
1793
1794 if (sysmon_envsys_sensor_attach(sc->sc_sme,
1795 &sc->sc_arc_sensors[count].arc_sensor))
1796 goto bad;
1797
1798 count++;
1799 }
1800 }
1801
1802 /*
1803 * Register our envsys driver with the framework now that the
1804 * sensors were all attached.
1805 */
1806 sc->sc_sme->sme_name = device_xname(sc->sc_dev);
1807 sc->sc_sme->sme_cookie = sc;
1808 sc->sc_sme->sme_refresh = arc_refresh_sensors;
1809
1810 if (sysmon_envsys_register(sc->sc_sme)) {
1811 aprint_debug("%s: unable to register with sysmon\n",
1812 device_xname(sc->sc_dev));
1813 goto bad;
1814 }
1815 kthread_exit(0);
1816
1817 bad:
1818 sysmon_envsys_destroy(sc->sc_sme);
1819 kmem_free(sc->sc_arc_sensors, slen);
1820
1821 sc->sc_sme = NULL;
1822 sc->sc_arc_sensors = NULL;
1823
1824 kthread_exit(0);
1825 }
1826
1827 static void
1828 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata)
1829 {
1830 struct arc_softc *sc = sme->sme_cookie;
1831 struct bioc_vol bv;
1832 struct bioc_disk bd;
1833 arc_edata_t *arcdata = (arc_edata_t *)edata;
1834
1835 /* sanity check */
1836 if (edata->units != ENVSYS_DRIVE)
1837 return;
1838
1839 memset(&bv, 0, sizeof(bv));
1840 bv.bv_volid = arcdata->arc_volid;
1841
1842 if (arc_bio_vol(sc, &bv)) {
1843 edata->value_cur = ENVSYS_DRIVE_EMPTY;
1844 edata->state = ENVSYS_SINVALID;
1845 return;
1846 }
1847
1848 /* Current sensor is handling a disk volume member */
1849 if (arcdata->arc_diskid) {
1850 memset(&bd, 0, sizeof(bd));
1851 bd.bd_volid = arcdata->arc_volid;
1852 bd.bd_diskid = arcdata->arc_diskid - 10;
1853
1854 if (arc_bio_disk_volume(sc, &bd)) {
1855 edata->value_cur = ENVSYS_DRIVE_OFFLINE;
1856 edata->state = ENVSYS_SCRITICAL;
1857 return;
1858 }
1859
1860 switch (bd.bd_status) {
1861 case BIOC_SDONLINE:
1862 edata->value_cur = ENVSYS_DRIVE_ONLINE;
1863 edata->state = ENVSYS_SVALID;
1864 break;
1865 case BIOC_SDOFFLINE:
1866 edata->value_cur = ENVSYS_DRIVE_OFFLINE;
1867 edata->state = ENVSYS_SCRITICAL;
1868 break;
1869 default:
1870 edata->value_cur = ENVSYS_DRIVE_FAIL;
1871 edata->state = ENVSYS_SCRITICAL;
1872 break;
1873 }
1874
1875 return;
1876 }
1877
1878 /* Current sensor is handling a volume */
1879 switch (bv.bv_status) {
1880 case BIOC_SVOFFLINE:
1881 edata->value_cur = ENVSYS_DRIVE_OFFLINE;
1882 edata->state = ENVSYS_SCRITICAL;
1883 break;
1884 case BIOC_SVDEGRADED:
1885 edata->value_cur = ENVSYS_DRIVE_PFAIL;
1886 edata->state = ENVSYS_SCRITICAL;
1887 break;
1888 case BIOC_SVBUILDING:
1889 edata->value_cur = ENVSYS_DRIVE_BUILD;
1890 edata->state = ENVSYS_SVALID;
1891 break;
1892 case BIOC_SVMIGRATING:
1893 edata->value_cur = ENVSYS_DRIVE_MIGRATING;
1894 edata->state = ENVSYS_SVALID;
1895 break;
1896 case BIOC_SVCHECKING:
1897 edata->value_cur = ENVSYS_DRIVE_CHECK;
1898 edata->state = ENVSYS_SVALID;
1899 break;
1900 case BIOC_SVREBUILD:
1901 edata->value_cur = ENVSYS_DRIVE_REBUILD;
1902 edata->state = ENVSYS_SCRITICAL;
1903 break;
1904 case BIOC_SVSCRUB:
1905 case BIOC_SVONLINE:
1906 edata->value_cur = ENVSYS_DRIVE_ONLINE;
1907 edata->state = ENVSYS_SVALID;
1908 break;
1909 case BIOC_SVINVALID:
1910 /* FALLTHROUGH */
1911 default:
1912 edata->value_cur = ENVSYS_DRIVE_EMPTY; /* unknown state */
1913 edata->state = ENVSYS_SINVALID;
1914 break;
1915 }
1916 }
1917 #endif /* NBIO > 0 */
1918
1919 uint32_t
1920 arc_read(struct arc_softc *sc, bus_size_t r)
1921 {
1922 uint32_t v;
1923
1924 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4,
1925 BUS_SPACE_BARRIER_READ);
1926 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r);
1927
1928 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n",
1929 device_xname(sc->sc_dev), r, v);
1930
1931 return v;
1932 }
1933
1934 void
1935 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len)
1936 {
1937 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len,
1938 BUS_SPACE_BARRIER_READ);
1939 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r,
1940 (uint32_t *)buf, len >> 2);
1941 }
1942
1943 void
1944 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v)
1945 {
1946 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n",
1947 device_xname(sc->sc_dev), r, v);
1948
1949 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v);
1950 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4,
1951 BUS_SPACE_BARRIER_WRITE);
1952 }
1953
1954 void
1955 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len)
1956 {
1957 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r,
1958 (const uint32_t *)buf, len >> 2);
1959 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len,
1960 BUS_SPACE_BARRIER_WRITE);
1961 }
1962
1963 int
1964 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask,
1965 uint32_t target)
1966 {
1967 int i;
1968
1969 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n",
1970 device_xname(sc->sc_dev), r, mask, target);
1971
1972 for (i = 0; i < 10000; i++) {
1973 if ((arc_read(sc, r) & mask) == target)
1974 return 0;
1975 delay(1000);
1976 }
1977
1978 return 1;
1979 }
1980
1981 int
1982 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask,
1983 uint32_t target)
1984 {
1985 int i;
1986
1987 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n",
1988 device_xname(sc->sc_dev), r, mask, target);
1989
1990 for (i = 0; i < 10000; i++) {
1991 if ((arc_read(sc, r) & mask) != target)
1992 return 0;
1993 delay(1000);
1994 }
1995
1996 return 1;
1997 }
1998
1999 int
2000 arc_msg0(struct arc_softc *sc, uint32_t m)
2001 {
2002 /* post message */
2003 arc_write(sc, ARC_REG_INB_MSG0, m);
2004 /* wait for the fw to do it */
2005 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0,
2006 ARC_REG_INTRSTAT_MSG0) != 0)
2007 return 1;
2008
2009 /* ack it */
2010 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0);
2011
2012 return 0;
2013 }
2014
2015 struct arc_dmamem *
2016 arc_dmamem_alloc(struct arc_softc *sc, size_t size)
2017 {
2018 struct arc_dmamem *adm;
2019 int nsegs;
2020
2021 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP);
2022 if (adm == NULL)
2023 return NULL;
2024
2025 adm->adm_size = size;
2026
2027 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
2028 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0)
2029 goto admfree;
2030
2031 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg,
2032 1, &nsegs, BUS_DMA_NOWAIT) != 0)
2033 goto destroy;
2034
2035 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size,
2036 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0)
2037 goto free;
2038
2039 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size,
2040 NULL, BUS_DMA_NOWAIT) != 0)
2041 goto unmap;
2042
2043 memset(adm->adm_kva, 0, size);
2044
2045 return adm;
2046
2047 unmap:
2048 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size);
2049 free:
2050 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1);
2051 destroy:
2052 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map);
2053 admfree:
2054 kmem_free(adm, sizeof(*adm));
2055
2056 return NULL;
2057 }
2058
2059 void
2060 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm)
2061 {
2062 bus_dmamap_unload(sc->sc_dmat, adm->adm_map);
2063 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size);
2064 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1);
2065 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map);
2066 kmem_free(adm, sizeof(*adm));
2067 }
2068
2069 int
2070 arc_alloc_ccbs(device_t self)
2071 {
2072 struct arc_softc *sc = device_private(self);
2073 struct arc_ccb *ccb;
2074 uint8_t *cmd;
2075 int i;
2076 size_t ccbslen;
2077
2078 TAILQ_INIT(&sc->sc_ccb_free);
2079
2080 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count;
2081 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP);
2082
2083 sc->sc_requests = arc_dmamem_alloc(sc,
2084 ARC_MAX_IOCMDLEN * sc->sc_req_count);
2085 if (sc->sc_requests == NULL) {
2086 aprint_error_dev(self, "unable to allocate ccb dmamem\n");
2087 goto free_ccbs;
2088 }
2089 cmd = ARC_DMA_KVA(sc->sc_requests);
2090
2091 for (i = 0; i < sc->sc_req_count; i++) {
2092 ccb = &sc->sc_ccbs[i];
2093
2094 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN,
2095 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) {
2096 aprint_error_dev(self,
2097 "unable to create dmamap for ccb %d\n", i);
2098 goto free_maps;
2099 }
2100
2101 ccb->ccb_sc = sc;
2102 ccb->ccb_id = i;
2103 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i;
2104
2105 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset];
2106 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) +
2107 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT;
2108
2109 arc_put_ccb(sc, ccb);
2110 }
2111
2112 return 0;
2113
2114 free_maps:
2115 while ((ccb = arc_get_ccb(sc)) != NULL)
2116 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap);
2117 arc_dmamem_free(sc, sc->sc_requests);
2118
2119 free_ccbs:
2120 kmem_free(sc->sc_ccbs, ccbslen);
2121
2122 return 1;
2123 }
2124
2125 struct arc_ccb *
2126 arc_get_ccb(struct arc_softc *sc)
2127 {
2128 struct arc_ccb *ccb;
2129
2130 ccb = TAILQ_FIRST(&sc->sc_ccb_free);
2131 if (ccb != NULL)
2132 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link);
2133
2134 return ccb;
2135 }
2136
2137 void
2138 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb)
2139 {
2140 ccb->ccb_xs = NULL;
2141 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN);
2142 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link);
2143 }
2144