Expand PMF_FN_* macros.
[netbsd-mini2440.git] / sys / dev / pci / arcmsr.c
blob3d2467f68e8d97eba0e3544dd944368b823abc48
1 /* $NetBSD: arcmsr.c,v 1.21 2008/06/24 10:14:41 gmcgarry Exp $ */
2 /* $OpenBSD: arc.c,v 1.68 2007/10/27 03:28:27 dlg Exp $ */
4 /*
5 * Copyright (c) 2007, 2008 Juan Romero Pardines <xtraeme@netbsd.org>
6 * Copyright (c) 2006 David Gwynne <dlg@openbsd.org>
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.
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.
21 #include "bio.h"
23 #include <sys/cdefs.h>
24 __KERNEL_RCSID(0, "$NetBSD: arcmsr.c,v 1.21 2008/06/24 10:14:41 gmcgarry Exp $");
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>
37 #if NBIO > 0
38 #include <sys/ioctl.h>
39 #include <dev/biovar.h>
40 #endif
42 #include <dev/pci/pcireg.h>
43 #include <dev/pci/pcivar.h>
44 #include <dev/pci/pcidevs.h>
46 #include <dev/scsipi/scsipi_all.h>
47 #include <dev/scsipi/scsi_all.h>
48 #include <dev/scsipi/scsiconf.h>
50 #include <dev/sysmon/sysmonvar.h>
52 #include <sys/bus.h>
54 #include <uvm/uvm_extern.h> /* for PAGE_SIZE */
56 #include <dev/pci/arcmsrvar.h>
58 /* #define ARC_DEBUG */
59 #ifdef ARC_DEBUG
60 #define ARC_D_INIT (1<<0)
61 #define ARC_D_RW (1<<1)
62 #define ARC_D_DB (1<<2)
64 int arcdebug = 0;
66 #define DPRINTF(p...) do { if (arcdebug) printf(p); } while (0)
67 #define DNPRINTF(n, p...) do { if ((n) & arcdebug) printf(p); } while (0)
69 #else
70 #define DPRINTF(p, ...) /* p */
71 #define DNPRINTF(n, p, ...) /* n, p */
72 #endif
74 /*
75 * the fw header must always equal this.
77 static struct arc_fw_hdr arc_fw_hdr = { 0x5e, 0x01, 0x61 };
80 * autoconf(9) glue.
82 static int arc_match(device_t, cfdata_t, void *);
83 static void arc_attach(device_t, device_t, void *);
84 static int arc_detach(device_t, int);
85 static bool arc_shutdown(device_t, int);
86 static int arc_intr(void *);
87 static void arc_minphys(struct buf *);
89 CFATTACH_DECL_NEW(arcmsr, sizeof(struct arc_softc),
90 arc_match, arc_attach, arc_detach, NULL);
93 * bio(4) and sysmon_envsys(9) glue.
95 #if NBIO > 0
96 static int arc_bioctl(device_t, u_long, void *);
97 static int arc_bio_inq(struct arc_softc *, struct bioc_inq *);
98 static int arc_bio_vol(struct arc_softc *, struct bioc_vol *);
99 static int arc_bio_disk_volume(struct arc_softc *, struct bioc_disk *);
100 static int arc_bio_disk_novol(struct arc_softc *, struct bioc_disk *);
101 static void arc_bio_disk_filldata(struct arc_softc *, struct bioc_disk *,
102 struct arc_fw_diskinfo *, int);
103 static int arc_bio_alarm(struct arc_softc *, struct bioc_alarm *);
104 static int arc_bio_alarm_state(struct arc_softc *, struct bioc_alarm *);
105 static int arc_bio_getvol(struct arc_softc *, int,
106 struct arc_fw_volinfo *);
107 static int arc_bio_setstate(struct arc_softc *, struct bioc_setstate *);
108 static int arc_bio_volops(struct arc_softc *, struct bioc_volops *);
109 static void arc_create_sensors(void *);
110 static void arc_refresh_sensors(struct sysmon_envsys *, envsys_data_t *);
111 static int arc_fw_parse_status_code(struct arc_softc *, uint8_t *);
112 #endif
114 static int
115 arc_match(device_t parent, cfdata_t match, void *aux)
117 struct pci_attach_args *pa = aux;
119 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_ARECA) {
120 switch (PCI_PRODUCT(pa->pa_id)) {
121 case PCI_PRODUCT_ARECA_ARC1110:
122 case PCI_PRODUCT_ARECA_ARC1120:
123 case PCI_PRODUCT_ARECA_ARC1130:
124 case PCI_PRODUCT_ARECA_ARC1160:
125 case PCI_PRODUCT_ARECA_ARC1170:
126 case PCI_PRODUCT_ARECA_ARC1200:
127 case PCI_PRODUCT_ARECA_ARC1202:
128 case PCI_PRODUCT_ARECA_ARC1210:
129 case PCI_PRODUCT_ARECA_ARC1220:
130 case PCI_PRODUCT_ARECA_ARC1230:
131 case PCI_PRODUCT_ARECA_ARC1260:
132 case PCI_PRODUCT_ARECA_ARC1270:
133 case PCI_PRODUCT_ARECA_ARC1280:
134 case PCI_PRODUCT_ARECA_ARC1380:
135 case PCI_PRODUCT_ARECA_ARC1381:
136 case PCI_PRODUCT_ARECA_ARC1680:
137 case PCI_PRODUCT_ARECA_ARC1681:
138 return 1;
139 default:
140 break;
144 return 0;
147 static void
148 arc_attach(device_t parent, device_t self, void *aux)
150 struct arc_softc *sc = device_private(self);
151 struct pci_attach_args *pa = aux;
152 struct scsipi_adapter *adapt = &sc->sc_adapter;
153 struct scsipi_channel *chan = &sc->sc_chan;
155 sc->sc_dev = self;
156 sc->sc_talking = 0;
157 rw_init(&sc->sc_rwlock);
158 mutex_init(&sc->sc_mutex, MUTEX_DEFAULT, IPL_BIO);
159 cv_init(&sc->sc_condvar, "arcdb");
161 if (arc_map_pci_resources(self, pa) != 0) {
162 /* error message printed by arc_map_pci_resources */
163 return;
166 if (arc_query_firmware(self) != 0) {
167 /* error message printed by arc_query_firmware */
168 goto unmap_pci;
171 if (arc_alloc_ccbs(self) != 0) {
172 /* error message printed by arc_alloc_ccbs */
173 goto unmap_pci;
176 if (!pmf_device_register1(self, NULL, NULL, arc_shutdown))
177 panic("%s: couldn't establish shutdown handler\n",
178 device_xname(self));
180 memset(adapt, 0, sizeof(*adapt));
181 adapt->adapt_dev = self;
182 adapt->adapt_nchannels = 1;
183 adapt->adapt_openings = sc->sc_req_count / ARC_MAX_TARGET;
184 adapt->adapt_max_periph = adapt->adapt_openings;
185 adapt->adapt_minphys = arc_minphys;
186 adapt->adapt_request = arc_scsi_cmd;
188 memset(chan, 0, sizeof(*chan));
189 chan->chan_adapter = adapt;
190 chan->chan_bustype = &scsi_bustype;
191 chan->chan_nluns = ARC_MAX_LUN;
192 chan->chan_ntargets = ARC_MAX_TARGET;
193 chan->chan_id = ARC_MAX_TARGET;
194 chan->chan_flags = SCSIPI_CHAN_NOSETTLE;
197 * Save the device_t returned, because we could to attach
198 * devices via the management interface.
200 sc->sc_scsibus_dv = config_found(self, &sc->sc_chan, scsiprint);
202 /* enable interrupts */
203 arc_write(sc, ARC_REG_INTRMASK,
204 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRSTAT_DOORBELL));
206 #if NBIO > 0
208 * Register the driver to bio(4) and setup the sensors.
210 if (bio_register(self, arc_bioctl) != 0)
211 panic("%s: bioctl registration failed\n", device_xname(self));
214 * you need to talk to the firmware to get volume info. our firmware
215 * interface relies on being able to sleep, so we need to use a thread
216 * to do the work.
218 if (kthread_create(PRI_NONE, KTHREAD_MPSAFE, NULL,
219 arc_create_sensors, sc, &sc->sc_lwp, "arcmsr_sensors") != 0)
220 panic("%s: unable to create a kernel thread for sensors\n",
221 device_xname(self));
222 #endif
224 return;
226 unmap_pci:
227 arc_unmap_pci_resources(sc);
230 static int
231 arc_detach(device_t self, int flags)
233 struct arc_softc *sc = device_private(self);
235 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0)
236 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n");
238 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0)
239 aprint_error_dev(self, "timeout waiting to flush cache\n");
241 return 0;
244 static bool
245 arc_shutdown(device_t self, int how)
247 struct arc_softc *sc = device_private(self);
249 if (arc_msg0(sc, ARC_REG_INB_MSG0_STOP_BGRB) != 0)
250 aprint_error_dev(self, "timeout waiting to stop bg rebuild\n");
252 if (arc_msg0(sc, ARC_REG_INB_MSG0_FLUSH_CACHE) != 0)
253 aprint_error_dev(self, "timeout waiting to flush cache\n");
255 return true;
258 static void
259 arc_minphys(struct buf *bp)
261 if (bp->b_bcount > MAXPHYS)
262 bp->b_bcount = MAXPHYS;
263 minphys(bp);
266 static int
267 arc_intr(void *arg)
269 struct arc_softc *sc = arg;
270 struct arc_ccb *ccb = NULL;
271 char *kva = ARC_DMA_KVA(sc->sc_requests);
272 struct arc_io_cmd *cmd;
273 uint32_t reg, intrstat;
275 mutex_spin_enter(&sc->sc_mutex);
276 intrstat = arc_read(sc, ARC_REG_INTRSTAT);
277 if (intrstat == 0x0) {
278 mutex_spin_exit(&sc->sc_mutex);
279 return 0;
282 intrstat &= ARC_REG_INTRSTAT_POSTQUEUE | ARC_REG_INTRSTAT_DOORBELL;
283 arc_write(sc, ARC_REG_INTRSTAT, intrstat);
285 if (intrstat & ARC_REG_INTRSTAT_DOORBELL) {
286 if (sc->sc_talking) {
287 arc_write(sc, ARC_REG_INTRMASK,
288 ~ARC_REG_INTRMASK_POSTQUEUE);
289 cv_broadcast(&sc->sc_condvar);
290 } else {
291 /* otherwise drop it */
292 reg = arc_read(sc, ARC_REG_OUTB_DOORBELL);
293 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg);
294 if (reg & ARC_REG_OUTB_DOORBELL_WRITE_OK)
295 arc_write(sc, ARC_REG_INB_DOORBELL,
296 ARC_REG_INB_DOORBELL_READ_OK);
299 mutex_spin_exit(&sc->sc_mutex);
301 while ((reg = arc_pop(sc)) != 0xffffffff) {
302 cmd = (struct arc_io_cmd *)(kva +
303 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) -
304 (uint32_t)ARC_DMA_DVA(sc->sc_requests)));
305 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)];
307 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests),
308 ccb->ccb_offset, ARC_MAX_IOCMDLEN,
309 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
311 arc_scsi_cmd_done(sc, ccb, reg);
315 return 1;
318 void
319 arc_scsi_cmd(struct scsipi_channel *chan, scsipi_adapter_req_t req, void *arg)
321 struct scsipi_periph *periph;
322 struct scsipi_xfer *xs;
323 struct scsipi_adapter *adapt = chan->chan_adapter;
324 struct arc_softc *sc = device_private(adapt->adapt_dev);
325 struct arc_ccb *ccb;
326 struct arc_msg_scsicmd *cmd;
327 uint32_t reg;
328 uint8_t target;
330 switch (req) {
331 case ADAPTER_REQ_GROW_RESOURCES:
332 /* Not supported. */
333 return;
334 case ADAPTER_REQ_SET_XFER_MODE:
335 /* Not supported. */
336 return;
337 case ADAPTER_REQ_RUN_XFER:
338 break;
341 mutex_spin_enter(&sc->sc_mutex);
343 xs = arg;
344 periph = xs->xs_periph;
345 target = periph->periph_target;
347 if (xs->cmdlen > ARC_MSG_CDBLEN) {
348 memset(&xs->sense, 0, sizeof(xs->sense));
349 xs->sense.scsi_sense.response_code = SSD_RCODE_VALID | 0x70;
350 xs->sense.scsi_sense.flags = SKEY_ILLEGAL_REQUEST;
351 xs->sense.scsi_sense.asc = 0x20;
352 xs->error = XS_SENSE;
353 xs->status = SCSI_CHECK;
354 mutex_spin_exit(&sc->sc_mutex);
355 scsipi_done(xs);
356 return;
359 ccb = arc_get_ccb(sc);
360 if (ccb == NULL) {
361 xs->error = XS_RESOURCE_SHORTAGE;
362 mutex_spin_exit(&sc->sc_mutex);
363 scsipi_done(xs);
364 return;
367 ccb->ccb_xs = xs;
369 if (arc_load_xs(ccb) != 0) {
370 xs->error = XS_DRIVER_STUFFUP;
371 arc_put_ccb(sc, ccb);
372 mutex_spin_exit(&sc->sc_mutex);
373 scsipi_done(xs);
374 return;
377 cmd = &ccb->ccb_cmd->cmd;
378 reg = ccb->ccb_cmd_post;
380 /* bus is always 0 */
381 cmd->target = target;
382 cmd->lun = periph->periph_lun;
383 cmd->function = 1; /* XXX magic number */
385 cmd->cdb_len = xs->cmdlen;
386 cmd->sgl_len = ccb->ccb_dmamap->dm_nsegs;
387 if (xs->xs_control & XS_CTL_DATA_OUT)
388 cmd->flags = ARC_MSG_SCSICMD_FLAG_WRITE;
389 if (ccb->ccb_dmamap->dm_nsegs > ARC_SGL_256LEN) {
390 cmd->flags |= ARC_MSG_SCSICMD_FLAG_SGL_BSIZE_512;
391 reg |= ARC_REG_POST_QUEUE_BIGFRAME;
394 cmd->context = htole32(ccb->ccb_id);
395 cmd->data_len = htole32(xs->datalen);
397 memcpy(cmd->cdb, xs->cmd, xs->cmdlen);
399 /* we've built the command, let's put it on the hw */
400 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests),
401 ccb->ccb_offset, ARC_MAX_IOCMDLEN,
402 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
404 arc_push(sc, reg);
405 if (xs->xs_control & XS_CTL_POLL) {
406 if (arc_complete(sc, ccb, xs->timeout) != 0) {
407 xs->error = XS_DRIVER_STUFFUP;
408 mutex_spin_exit(&sc->sc_mutex);
409 scsipi_done(xs);
410 return;
414 mutex_spin_exit(&sc->sc_mutex);
418 arc_load_xs(struct arc_ccb *ccb)
420 struct arc_softc *sc = ccb->ccb_sc;
421 struct scsipi_xfer *xs = ccb->ccb_xs;
422 bus_dmamap_t dmap = ccb->ccb_dmamap;
423 struct arc_sge *sgl = ccb->ccb_cmd->sgl, *sge;
424 uint64_t addr;
425 int i, error;
427 if (xs->datalen == 0)
428 return 0;
430 error = bus_dmamap_load(sc->sc_dmat, dmap,
431 xs->data, xs->datalen, NULL,
432 (xs->xs_control & XS_CTL_NOSLEEP) ?
433 BUS_DMA_NOWAIT : BUS_DMA_WAITOK);
434 if (error != 0) {
435 aprint_error("%s: error %d loading dmamap\n",
436 device_xname(sc->sc_dev), error);
437 return 1;
440 for (i = 0; i < dmap->dm_nsegs; i++) {
441 sge = &sgl[i];
443 sge->sg_hdr = htole32(ARC_SGE_64BIT | dmap->dm_segs[i].ds_len);
444 addr = dmap->dm_segs[i].ds_addr;
445 sge->sg_hi_addr = htole32((uint32_t)(addr >> 32));
446 sge->sg_lo_addr = htole32((uint32_t)addr);
449 bus_dmamap_sync(sc->sc_dmat, dmap, 0, dmap->dm_mapsize,
450 (xs->xs_control & XS_CTL_DATA_IN) ? BUS_DMASYNC_PREREAD :
451 BUS_DMASYNC_PREWRITE);
453 return 0;
456 void
457 arc_scsi_cmd_done(struct arc_softc *sc, struct arc_ccb *ccb, uint32_t reg)
459 struct scsipi_xfer *xs = ccb->ccb_xs;
460 struct arc_msg_scsicmd *cmd;
462 if (xs->datalen != 0) {
463 bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0,
464 ccb->ccb_dmamap->dm_mapsize,
465 (xs->xs_control & XS_CTL_DATA_IN) ?
466 BUS_DMASYNC_POSTREAD : BUS_DMASYNC_POSTWRITE);
467 bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap);
470 /* timeout_del */
471 xs->status |= XS_STS_DONE;
473 if (reg & ARC_REG_REPLY_QUEUE_ERR) {
474 cmd = &ccb->ccb_cmd->cmd;
476 switch (cmd->status) {
477 case ARC_MSG_STATUS_SELTIMEOUT:
478 case ARC_MSG_STATUS_ABORTED:
479 case ARC_MSG_STATUS_INIT_FAIL:
480 xs->status = SCSI_OK;
481 xs->error = XS_SELTIMEOUT;
482 break;
484 case SCSI_CHECK:
485 memset(&xs->sense, 0, sizeof(xs->sense));
486 memcpy(&xs->sense, cmd->sense_data,
487 min(ARC_MSG_SENSELEN, sizeof(xs->sense)));
488 xs->sense.scsi_sense.response_code =
489 SSD_RCODE_VALID | 0x70;
490 xs->status = SCSI_CHECK;
491 xs->error = XS_SENSE;
492 xs->resid = 0;
493 break;
495 default:
496 /* unknown device status */
497 xs->error = XS_BUSY; /* try again later? */
498 xs->status = SCSI_BUSY;
499 break;
501 } else {
502 xs->status = SCSI_OK;
503 xs->error = XS_NOERROR;
504 xs->resid = 0;
507 arc_put_ccb(sc, ccb);
508 scsipi_done(xs);
512 arc_complete(struct arc_softc *sc, struct arc_ccb *nccb, int timeout)
514 struct arc_ccb *ccb = NULL;
515 char *kva = ARC_DMA_KVA(sc->sc_requests);
516 struct arc_io_cmd *cmd;
517 uint32_t reg;
519 do {
520 reg = arc_pop(sc);
521 if (reg == 0xffffffff) {
522 if (timeout-- == 0)
523 return 1;
525 delay(1000);
526 continue;
529 cmd = (struct arc_io_cmd *)(kva +
530 ((reg << ARC_REG_REPLY_QUEUE_ADDR_SHIFT) -
531 ARC_DMA_DVA(sc->sc_requests)));
532 ccb = &sc->sc_ccbs[htole32(cmd->cmd.context)];
534 bus_dmamap_sync(sc->sc_dmat, ARC_DMA_MAP(sc->sc_requests),
535 ccb->ccb_offset, ARC_MAX_IOCMDLEN,
536 BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
538 arc_scsi_cmd_done(sc, ccb, reg);
539 } while (nccb != ccb);
541 return 0;
545 arc_map_pci_resources(device_t self, struct pci_attach_args *pa)
547 struct arc_softc *sc = device_private(self);
548 pcireg_t memtype;
549 pci_intr_handle_t ih;
551 sc->sc_pc = pa->pa_pc;
552 sc->sc_tag = pa->pa_tag;
553 sc->sc_dmat = pa->pa_dmat;
555 memtype = pci_mapreg_type(sc->sc_pc, sc->sc_tag, ARC_PCI_BAR);
556 if (pci_mapreg_map(pa, ARC_PCI_BAR, memtype, 0, &sc->sc_iot,
557 &sc->sc_ioh, NULL, &sc->sc_ios) != 0) {
558 aprint_error(": unable to map system interface register\n");
559 return 1;
562 if (pci_intr_map(pa, &ih) != 0) {
563 aprint_error(": unable to map interrupt\n");
564 goto unmap;
567 sc->sc_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO,
568 arc_intr, sc);
569 if (sc->sc_ih == NULL) {
570 aprint_error(": unable to map interrupt [2]\n");
571 goto unmap;
574 aprint_normal("\n");
575 aprint_normal_dev(self, "interrupting at %s\n",
576 pci_intr_string(pa->pa_pc, ih));
578 return 0;
580 unmap:
581 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
582 sc->sc_ios = 0;
583 return 1;
586 void
587 arc_unmap_pci_resources(struct arc_softc *sc)
589 pci_intr_disestablish(sc->sc_pc, sc->sc_ih);
590 bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
591 sc->sc_ios = 0;
595 arc_query_firmware(device_t self)
597 struct arc_softc *sc = device_private(self);
598 struct arc_msg_firmware_info fwinfo;
599 char string[81]; /* sizeof(vendor)*2+1 */
601 if (arc_wait_eq(sc, ARC_REG_OUTB_ADDR1, ARC_REG_OUTB_ADDR1_FIRMWARE_OK,
602 ARC_REG_OUTB_ADDR1_FIRMWARE_OK) != 0) {
603 aprint_debug_dev(self, "timeout waiting for firmware ok\n");
604 return 1;
607 if (arc_msg0(sc, ARC_REG_INB_MSG0_GET_CONFIG) != 0) {
608 aprint_debug_dev(self, "timeout waiting for get config\n");
609 return 1;
612 if (arc_msg0(sc, ARC_REG_INB_MSG0_START_BGRB) != 0) {
613 aprint_debug_dev(self, "timeout waiting to start bg rebuild\n");
614 return 1;
617 arc_read_region(sc, ARC_REG_MSGBUF, &fwinfo, sizeof(fwinfo));
619 DNPRINTF(ARC_D_INIT, "%s: signature: 0x%08x\n",
620 device_xname(self), htole32(fwinfo.signature));
622 if (htole32(fwinfo.signature) != ARC_FWINFO_SIGNATURE_GET_CONFIG) {
623 aprint_error_dev(self, "invalid firmware info from iop\n");
624 return 1;
627 DNPRINTF(ARC_D_INIT, "%s: request_len: %d\n",
628 device_xname(self), htole32(fwinfo.request_len));
629 DNPRINTF(ARC_D_INIT, "%s: queue_len: %d\n",
630 device_xname(self), htole32(fwinfo.queue_len));
631 DNPRINTF(ARC_D_INIT, "%s: sdram_size: %d\n",
632 device_xname(self), htole32(fwinfo.sdram_size));
633 DNPRINTF(ARC_D_INIT, "%s: sata_ports: %d\n",
634 device_xname(self), htole32(fwinfo.sata_ports));
636 scsipi_strvis(string, 81, fwinfo.vendor, sizeof(fwinfo.vendor));
637 DNPRINTF(ARC_D_INIT, "%s: vendor: \"%s\"\n",
638 device_xname(self), string);
640 scsipi_strvis(string, 17, fwinfo.model, sizeof(fwinfo.model));
641 aprint_normal_dev(self, "Areca %s Host Adapter RAID controller\n",
642 string);
644 scsipi_strvis(string, 33, fwinfo.fw_version, sizeof(fwinfo.fw_version));
645 DNPRINTF(ARC_D_INIT, "%s: version: \"%s\"\n",
646 device_xname(self), string);
648 aprint_normal_dev(self, "%d ports, %dMB SDRAM, firmware <%s>\n",
649 htole32(fwinfo.sata_ports), htole32(fwinfo.sdram_size), string);
651 if (htole32(fwinfo.request_len) != ARC_MAX_IOCMDLEN) {
652 aprint_error_dev(self,
653 "unexpected request frame size (%d != %d)\n",
654 htole32(fwinfo.request_len), ARC_MAX_IOCMDLEN);
655 return 1;
658 sc->sc_req_count = htole32(fwinfo.queue_len);
660 return 0;
663 #if NBIO > 0
664 static int
665 arc_bioctl(device_t self, u_long cmd, void *addr)
667 struct arc_softc *sc = device_private(self);
668 int error = 0;
670 switch (cmd) {
671 case BIOCINQ:
672 error = arc_bio_inq(sc, (struct bioc_inq *)addr);
673 break;
675 case BIOCVOL:
676 error = arc_bio_vol(sc, (struct bioc_vol *)addr);
677 break;
679 case BIOCDISK:
680 error = arc_bio_disk_volume(sc, (struct bioc_disk *)addr);
681 break;
683 case BIOCDISK_NOVOL:
684 error = arc_bio_disk_novol(sc, (struct bioc_disk *)addr);
685 break;
687 case BIOCALARM:
688 error = arc_bio_alarm(sc, (struct bioc_alarm *)addr);
689 break;
691 case BIOCSETSTATE:
692 error = arc_bio_setstate(sc, (struct bioc_setstate *)addr);
693 break;
695 case BIOCVOLOPS:
696 error = arc_bio_volops(sc, (struct bioc_volops *)addr);
697 break;
699 default:
700 error = ENOTTY;
701 break;
704 return error;
707 static int
708 arc_fw_parse_status_code(struct arc_softc *sc, uint8_t *reply)
710 switch (*reply) {
711 case ARC_FW_CMD_RAIDINVAL:
712 printf("%s: firmware error (invalid raid set)\n",
713 device_xname(sc->sc_dev));
714 return EINVAL;
715 case ARC_FW_CMD_VOLINVAL:
716 printf("%s: firmware error (invalid volume set)\n",
717 device_xname(sc->sc_dev));
718 return EINVAL;
719 case ARC_FW_CMD_NORAID:
720 printf("%s: firmware error (unexistent raid set)\n",
721 device_xname(sc->sc_dev));
722 return ENODEV;
723 case ARC_FW_CMD_NOVOLUME:
724 printf("%s: firmware error (unexistent volume set)\n",
725 device_xname(sc->sc_dev));
726 return ENODEV;
727 case ARC_FW_CMD_NOPHYSDRV:
728 printf("%s: firmware error (unexistent physical drive)\n",
729 device_xname(sc->sc_dev));
730 return ENODEV;
731 case ARC_FW_CMD_PARAM_ERR:
732 printf("%s: firmware error (parameter error)\n",
733 device_xname(sc->sc_dev));
734 return EINVAL;
735 case ARC_FW_CMD_UNSUPPORTED:
736 printf("%s: firmware error (unsupported command)\n",
737 device_xname(sc->sc_dev));
738 return EOPNOTSUPP;
739 case ARC_FW_CMD_DISKCFG_CHGD:
740 printf("%s: firmware error (disk configuration changed)\n",
741 device_xname(sc->sc_dev));
742 return EINVAL;
743 case ARC_FW_CMD_PASS_INVAL:
744 printf("%s: firmware error (invalid password)\n",
745 device_xname(sc->sc_dev));
746 return EINVAL;
747 case ARC_FW_CMD_NODISKSPACE:
748 printf("%s: firmware error (no disk space available)\n",
749 device_xname(sc->sc_dev));
750 return EOPNOTSUPP;
751 case ARC_FW_CMD_CHECKSUM_ERR:
752 printf("%s: firmware error (checksum error)\n",
753 device_xname(sc->sc_dev));
754 return EINVAL;
755 case ARC_FW_CMD_PASS_REQD:
756 printf("%s: firmware error (password required)\n",
757 device_xname(sc->sc_dev));
758 return EPERM;
759 case ARC_FW_CMD_OK:
760 default:
761 return 0;
765 static int
766 arc_bio_alarm(struct arc_softc *sc, struct bioc_alarm *ba)
768 uint8_t request[2], reply[1];
769 size_t len;
770 int error = 0;
772 switch (ba->ba_opcode) {
773 case BIOC_SAENABLE:
774 case BIOC_SADISABLE:
775 request[0] = ARC_FW_SET_ALARM;
776 request[1] = (ba->ba_opcode == BIOC_SAENABLE) ?
777 ARC_FW_SET_ALARM_ENABLE : ARC_FW_SET_ALARM_DISABLE;
778 len = sizeof(request);
780 break;
782 case BIOC_SASILENCE:
783 request[0] = ARC_FW_MUTE_ALARM;
784 len = 1;
786 break;
788 case BIOC_GASTATUS:
789 /* system info is too big/ugly to deal with here */
790 return arc_bio_alarm_state(sc, ba);
792 default:
793 return EOPNOTSUPP;
796 error = arc_msgbuf(sc, request, len, reply, sizeof(reply));
797 if (error != 0)
798 return error;
800 return arc_fw_parse_status_code(sc, &reply[0]);
803 static int
804 arc_bio_alarm_state(struct arc_softc *sc, struct bioc_alarm *ba)
806 struct arc_fw_sysinfo *sysinfo;
807 uint8_t request;
808 int error = 0;
810 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP);
812 request = ARC_FW_SYSINFO;
813 error = arc_msgbuf(sc, &request, sizeof(request),
814 sysinfo, sizeof(struct arc_fw_sysinfo));
816 if (error != 0)
817 goto out;
819 ba->ba_status = sysinfo->alarm;
821 out:
822 kmem_free(sysinfo, sizeof(*sysinfo));
823 return error;
826 static int
827 arc_bio_volops(struct arc_softc *sc, struct bioc_volops *bc)
829 /* to create a raid set */
830 struct req_craidset {
831 uint8_t cmdcode;
832 uint32_t devmask;
833 uint8_t raidset_name[16];
834 } __packed;
836 /* to create a volume set */
837 struct req_cvolset {
838 uint8_t cmdcode;
839 uint8_t raidset;
840 uint8_t volset_name[16];
841 uint64_t capacity;
842 uint8_t raidlevel;
843 uint8_t stripe;
844 uint8_t scsi_chan;
845 uint8_t scsi_target;
846 uint8_t scsi_lun;
847 uint8_t tagqueue;
848 uint8_t cache;
849 uint8_t speed;
850 uint8_t quick_init;
851 } __packed;
853 struct scsibus_softc *scsibus_sc = NULL;
854 struct req_craidset req_craidset;
855 struct req_cvolset req_cvolset;
856 uint8_t request[2];
857 uint8_t reply[1];
858 int error = 0;
860 switch (bc->bc_opcode) {
861 case BIOC_VCREATE_VOLUME:
864 * Zero out the structs so that we use some defaults
865 * in raid and volume sets.
867 memset(&req_craidset, 0, sizeof(req_craidset));
868 memset(&req_cvolset, 0, sizeof(req_cvolset));
871 * Firstly we have to create the raid set and
872 * use the default name for all them.
874 req_craidset.cmdcode = ARC_FW_CREATE_RAIDSET;
875 req_craidset.devmask = bc->bc_devmask;
876 error = arc_msgbuf(sc, &req_craidset, sizeof(req_craidset),
877 reply, sizeof(reply));
878 if (error != 0)
879 return error;
881 error = arc_fw_parse_status_code(sc, &reply[0]);
882 if (error) {
883 printf("%s: create raidset%d failed\n",
884 device_xname(sc->sc_dev), bc->bc_volid);
885 return error;
889 * At this point the raid set was created, so it's
890 * time to create the volume set.
892 req_cvolset.cmdcode = ARC_FW_CREATE_VOLUME;
893 req_cvolset.raidset = bc->bc_volid;
894 req_cvolset.capacity = bc->bc_size * ARC_BLOCKSIZE;
897 * Set the RAID level.
899 switch (bc->bc_level) {
900 case 0:
901 case 1:
902 req_cvolset.raidlevel = bc->bc_level;
903 break;
904 case BIOC_SVOL_RAID10:
905 req_cvolset.raidlevel = 1;
906 break;
907 case 3:
908 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_3;
909 break;
910 case 5:
911 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_5;
912 break;
913 case 6:
914 req_cvolset.raidlevel = ARC_FW_VOL_RAIDLEVEL_6;
915 break;
916 default:
917 return EOPNOTSUPP;
921 * Set the stripe size.
923 switch (bc->bc_stripe) {
924 case 4:
925 req_cvolset.stripe = 0;
926 break;
927 case 8:
928 req_cvolset.stripe = 1;
929 break;
930 case 16:
931 req_cvolset.stripe = 2;
932 break;
933 case 32:
934 req_cvolset.stripe = 3;
935 break;
936 case 64:
937 req_cvolset.stripe = 4;
938 break;
939 case 128:
940 req_cvolset.stripe = 5;
941 break;
942 default:
943 req_cvolset.stripe = 4; /* by default 64K */
944 break;
947 req_cvolset.scsi_chan = bc->bc_channel;
948 req_cvolset.scsi_target = bc->bc_target;
949 req_cvolset.scsi_lun = bc->bc_lun;
950 req_cvolset.tagqueue = 1; /* always enabled */
951 req_cvolset.cache = 1; /* always enabled */
952 req_cvolset.speed = 4; /* always max speed */
954 /* RAID 1 and 1+0 levels need foreground initialization */
955 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10)
956 req_cvolset.quick_init = 1; /* foreground init */
958 error = arc_msgbuf(sc, &req_cvolset, sizeof(req_cvolset),
959 reply, sizeof(reply));
960 if (error != 0)
961 return error;
963 error = arc_fw_parse_status_code(sc, &reply[0]);
964 if (error) {
965 printf("%s: create volumeset%d failed\n",
966 device_xname(sc->sc_dev), bc->bc_volid);
967 return error;
971 * If we are creating a RAID 1 or RAID 1+0 volume,
972 * the volume will be created immediately but it won't
973 * be available until the initialization is done... so
974 * don't bother attaching the sd(4) device.
976 if (bc->bc_level == 1 || bc->bc_level == BIOC_SVOL_RAID10)
977 break;
980 * Do a rescan on the bus to attach the device associated
981 * with the new volume.
983 scsibus_sc = device_private(sc->sc_scsibus_dv);
984 (void)scsi_probe_bus(scsibus_sc, bc->bc_target, bc->bc_lun);
986 break;
988 case BIOC_VREMOVE_VOLUME:
991 * Remove the volume set specified in bc_volid.
993 request[0] = ARC_FW_DELETE_VOLUME;
994 request[1] = bc->bc_volid;
995 error = arc_msgbuf(sc, request, sizeof(request),
996 reply, sizeof(reply));
997 if (error != 0)
998 return error;
1000 error = arc_fw_parse_status_code(sc, &reply[0]);
1001 if (error) {
1002 printf("%s: delete volumeset%d failed\n",
1003 device_xname(sc->sc_dev), bc->bc_volid);
1004 return error;
1008 * Detach the sd(4) device associated with the volume,
1009 * but if there's an error don't make it a priority.
1011 error = scsipi_target_detach(&sc->sc_chan, bc->bc_target,
1012 bc->bc_lun, 0);
1013 if (error)
1014 printf("%s: couldn't detach sd device for volume %d "
1015 "at %u:%u.%u (error=%d)\n",
1016 device_xname(sc->sc_dev), bc->bc_volid,
1017 bc->bc_channel, bc->bc_target, bc->bc_lun, error);
1020 * and remove the raid set specified in bc_volid,
1021 * we only care about volumes.
1023 request[0] = ARC_FW_DELETE_RAIDSET;
1024 request[1] = bc->bc_volid;
1025 error = arc_msgbuf(sc, request, sizeof(request),
1026 reply, sizeof(reply));
1027 if (error != 0)
1028 return error;
1030 error = arc_fw_parse_status_code(sc, &reply[0]);
1031 if (error) {
1032 printf("%s: delete raidset%d failed\n",
1033 device_xname(sc->sc_dev), bc->bc_volid);
1034 return error;
1037 break;
1039 default:
1040 return EOPNOTSUPP;
1043 return error;
1046 static int
1047 arc_bio_setstate(struct arc_softc *sc, struct bioc_setstate *bs)
1049 /* for a hotspare disk */
1050 struct request_hs {
1051 uint8_t cmdcode;
1052 uint32_t devmask;
1053 } __packed;
1055 /* for a pass-through disk */
1056 struct request_pt {
1057 uint8_t cmdcode;
1058 uint8_t devid;
1059 uint8_t scsi_chan;
1060 uint8_t scsi_id;
1061 uint8_t scsi_lun;
1062 uint8_t tagged_queue;
1063 uint8_t cache_mode;
1064 uint8_t max_speed;
1065 } __packed;
1067 struct scsibus_softc *scsibus_sc = NULL;
1068 struct request_hs req_hs; /* to add/remove hotspare */
1069 struct request_pt req_pt; /* to add a pass-through */
1070 uint8_t req_gen[2];
1071 uint8_t reply[1];
1072 int error = 0;
1074 switch (bs->bs_status) {
1075 case BIOC_SSHOTSPARE:
1077 req_hs.cmdcode = ARC_FW_CREATE_HOTSPARE;
1078 req_hs.devmask = (1 << bs->bs_target);
1079 goto hotspare;
1081 case BIOC_SSDELHOTSPARE:
1083 req_hs.cmdcode = ARC_FW_DELETE_HOTSPARE;
1084 req_hs.devmask = (1 << bs->bs_target);
1085 goto hotspare;
1087 case BIOC_SSPASSTHRU:
1089 req_pt.cmdcode = ARC_FW_CREATE_PASSTHRU;
1090 req_pt.devid = bs->bs_other_id; /* this wants device# */
1091 req_pt.scsi_chan = bs->bs_channel;
1092 req_pt.scsi_id = bs->bs_target;
1093 req_pt.scsi_lun = bs->bs_lun;
1094 req_pt.tagged_queue = 1; /* always enabled */
1095 req_pt.cache_mode = 1; /* always enabled */
1096 req_pt.max_speed = 4; /* always max speed */
1098 error = arc_msgbuf(sc, &req_pt, sizeof(req_pt),
1099 reply, sizeof(reply));
1100 if (error != 0)
1101 return error;
1104 * Do a rescan on the bus to attach the new device
1105 * associated with the pass-through disk.
1107 scsibus_sc = device_private(sc->sc_scsibus_dv);
1108 (void)scsi_probe_bus(scsibus_sc, bs->bs_target, bs->bs_lun);
1110 goto out;
1112 case BIOC_SSDELPASSTHRU:
1114 req_gen[0] = ARC_FW_DELETE_PASSTHRU;
1115 req_gen[1] = bs->bs_target;
1116 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen),
1117 reply, sizeof(reply));
1118 if (error != 0)
1119 return error;
1122 * Detach the sd device associated with this pass-through disk.
1124 error = scsipi_target_detach(&sc->sc_chan, bs->bs_target,
1125 bs->bs_lun, 0);
1126 if (error)
1127 printf("%s: couldn't detach sd device for the "
1128 "pass-through disk at %u:%u.%u (error=%d)\n",
1129 device_xname(sc->sc_dev),
1130 bs->bs_channel, bs->bs_target, bs->bs_lun, error);
1132 goto out;
1134 case BIOC_SSCHECKSTART_VOL:
1136 req_gen[0] = ARC_FW_START_CHECKVOL;
1137 req_gen[1] = bs->bs_volid;
1138 error = arc_msgbuf(sc, &req_gen, sizeof(req_gen),
1139 reply, sizeof(reply));
1140 if (error != 0)
1141 return error;
1143 goto out;
1145 case BIOC_SSCHECKSTOP_VOL:
1147 uint8_t req = ARC_FW_STOP_CHECKVOL;
1148 error = arc_msgbuf(sc, &req, 1, reply, sizeof(reply));
1149 if (error != 0)
1150 return error;
1152 goto out;
1154 default:
1155 return EOPNOTSUPP;
1158 hotspare:
1159 error = arc_msgbuf(sc, &req_hs, sizeof(req_hs),
1160 reply, sizeof(reply));
1161 if (error != 0)
1162 return error;
1164 out:
1165 return arc_fw_parse_status_code(sc, &reply[0]);
1168 static int
1169 arc_bio_inq(struct arc_softc *sc, struct bioc_inq *bi)
1171 uint8_t request[2];
1172 struct arc_fw_sysinfo *sysinfo = NULL;
1173 struct arc_fw_raidinfo *raidinfo;
1174 int nvols = 0, i;
1175 int error = 0;
1177 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP);
1179 if (!sc->sc_maxraidset || !sc->sc_maxvolset || !sc->sc_cchans) {
1180 sysinfo = kmem_zalloc(sizeof(*sysinfo), KM_SLEEP);
1182 request[0] = ARC_FW_SYSINFO;
1183 error = arc_msgbuf(sc, request, 1, sysinfo,
1184 sizeof(struct arc_fw_sysinfo));
1185 if (error != 0)
1186 goto out;
1188 sc->sc_maxraidset = sysinfo->max_raid_set;
1189 sc->sc_maxvolset = sysinfo->max_volume_set;
1190 sc->sc_cchans = sysinfo->ide_channels;
1193 request[0] = ARC_FW_RAIDINFO;
1194 for (i = 0; i < sc->sc_maxraidset; i++) {
1195 request[1] = i;
1196 error = arc_msgbuf(sc, request, sizeof(request), raidinfo,
1197 sizeof(struct arc_fw_raidinfo));
1198 if (error != 0)
1199 goto out;
1201 nvols += raidinfo->volumes;
1204 strlcpy(bi->bi_dev, device_xname(sc->sc_dev), sizeof(bi->bi_dev));
1205 bi->bi_novol = nvols;
1206 bi->bi_nodisk = sc->sc_cchans;
1208 out:
1209 if (sysinfo)
1210 kmem_free(sysinfo, sizeof(*sysinfo));
1211 kmem_free(raidinfo, sizeof(*raidinfo));
1212 return error;
1215 static int
1216 arc_bio_getvol(struct arc_softc *sc, int vol, struct arc_fw_volinfo *volinfo)
1218 uint8_t request[2];
1219 int error = 0;
1220 int nvols = 0, i;
1222 request[0] = ARC_FW_VOLINFO;
1223 for (i = 0; i < sc->sc_maxvolset; i++) {
1224 request[1] = i;
1225 error = arc_msgbuf(sc, request, sizeof(request), volinfo,
1226 sizeof(struct arc_fw_volinfo));
1227 if (error != 0)
1228 goto out;
1230 if (volinfo->capacity == 0 && volinfo->capacity2 == 0)
1231 continue;
1233 if (nvols == vol)
1234 break;
1236 nvols++;
1239 if (nvols != vol ||
1240 (volinfo->capacity == 0 && volinfo->capacity2 == 0)) {
1241 error = ENODEV;
1242 goto out;
1245 out:
1246 return error;
1249 static int
1250 arc_bio_vol(struct arc_softc *sc, struct bioc_vol *bv)
1252 struct arc_fw_volinfo *volinfo;
1253 uint64_t blocks;
1254 uint32_t status;
1255 int error = 0;
1257 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP);
1259 error = arc_bio_getvol(sc, bv->bv_volid, volinfo);
1260 if (error != 0)
1261 goto out;
1263 bv->bv_percent = -1;
1264 bv->bv_seconds = 0;
1266 status = htole32(volinfo->volume_status);
1267 if (status == 0x0) {
1268 if (htole32(volinfo->fail_mask) == 0x0)
1269 bv->bv_status = BIOC_SVONLINE;
1270 else
1271 bv->bv_status = BIOC_SVDEGRADED;
1272 } else if (status & ARC_FW_VOL_STATUS_NEED_REGEN) {
1273 bv->bv_status = BIOC_SVDEGRADED;
1274 } else if (status & ARC_FW_VOL_STATUS_FAILED) {
1275 bv->bv_status = BIOC_SVOFFLINE;
1276 } else if (status & ARC_FW_VOL_STATUS_INITTING) {
1277 bv->bv_status = BIOC_SVBUILDING;
1278 bv->bv_percent = htole32(volinfo->progress);
1279 } else if (status & ARC_FW_VOL_STATUS_REBUILDING) {
1280 bv->bv_status = BIOC_SVREBUILD;
1281 bv->bv_percent = htole32(volinfo->progress);
1282 } else if (status & ARC_FW_VOL_STATUS_MIGRATING) {
1283 bv->bv_status = BIOC_SVMIGRATING;
1284 bv->bv_percent = htole32(volinfo->progress);
1285 } else if (status & ARC_FW_VOL_STATUS_CHECKING) {
1286 bv->bv_status = BIOC_SVCHECKING;
1287 bv->bv_percent = htole32(volinfo->progress);
1288 } else if (status & ARC_FW_VOL_STATUS_NEED_INIT) {
1289 bv->bv_status = BIOC_SVOFFLINE;
1290 } else {
1291 printf("%s: volume %d status 0x%x\n",
1292 device_xname(sc->sc_dev), bv->bv_volid, status);
1295 blocks = (uint64_t)htole32(volinfo->capacity2) << 32;
1296 blocks += (uint64_t)htole32(volinfo->capacity);
1297 bv->bv_size = blocks * ARC_BLOCKSIZE; /* XXX */
1299 switch (volinfo->raid_level) {
1300 case ARC_FW_VOL_RAIDLEVEL_0:
1301 bv->bv_level = 0;
1302 break;
1303 case ARC_FW_VOL_RAIDLEVEL_1:
1304 if (volinfo->member_disks > 2)
1305 bv->bv_level = BIOC_SVOL_RAID10;
1306 else
1307 bv->bv_level = 1;
1308 break;
1309 case ARC_FW_VOL_RAIDLEVEL_3:
1310 bv->bv_level = 3;
1311 break;
1312 case ARC_FW_VOL_RAIDLEVEL_5:
1313 bv->bv_level = 5;
1314 break;
1315 case ARC_FW_VOL_RAIDLEVEL_6:
1316 bv->bv_level = 6;
1317 break;
1318 case ARC_FW_VOL_RAIDLEVEL_PASSTHRU:
1319 bv->bv_level = BIOC_SVOL_PASSTHRU;
1320 break;
1321 default:
1322 bv->bv_level = -1;
1323 break;
1326 bv->bv_nodisk = volinfo->member_disks;
1327 bv->bv_stripe_size = volinfo->stripe_size / 2;
1328 snprintf(bv->bv_dev, sizeof(bv->bv_dev), "sd%d", bv->bv_volid);
1329 scsipi_strvis(bv->bv_vendor, sizeof(bv->bv_vendor), volinfo->set_name,
1330 sizeof(volinfo->set_name));
1332 out:
1333 kmem_free(volinfo, sizeof(*volinfo));
1334 return error;
1337 static int
1338 arc_bio_disk_novol(struct arc_softc *sc, struct bioc_disk *bd)
1340 struct arc_fw_diskinfo *diskinfo;
1341 uint8_t request[2];
1342 int error = 0;
1344 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP);
1346 if (bd->bd_diskid >= sc->sc_cchans) {
1347 error = ENODEV;
1348 goto out;
1351 request[0] = ARC_FW_DISKINFO;
1352 request[1] = bd->bd_diskid;
1353 error = arc_msgbuf(sc, request, sizeof(request),
1354 diskinfo, sizeof(struct arc_fw_diskinfo));
1355 if (error != 0)
1356 goto out;
1358 /* skip disks with no capacity */
1359 if (htole32(diskinfo->capacity) == 0 &&
1360 htole32(diskinfo->capacity2) == 0)
1361 goto out;
1363 bd->bd_disknovol = true;
1364 arc_bio_disk_filldata(sc, bd, diskinfo, bd->bd_diskid);
1366 out:
1367 kmem_free(diskinfo, sizeof(*diskinfo));
1368 return error;
1371 static void
1372 arc_bio_disk_filldata(struct arc_softc *sc, struct bioc_disk *bd,
1373 struct arc_fw_diskinfo *diskinfo, int diskid)
1375 uint64_t blocks;
1376 char model[81];
1377 char serial[41];
1378 char rev[17];
1380 /* Ignore bit zero for now, we don't know what it means */
1381 diskinfo->device_state &= ~0x1;
1383 switch (diskinfo->device_state) {
1384 case ARC_FW_DISK_FAILED:
1385 bd->bd_status = BIOC_SDFAILED;
1386 break;
1387 case ARC_FW_DISK_PASSTHRU:
1388 bd->bd_status = BIOC_SDPASSTHRU;
1389 break;
1390 case ARC_FW_DISK_NORMAL:
1391 bd->bd_status = BIOC_SDONLINE;
1392 break;
1393 case ARC_FW_DISK_HOTSPARE:
1394 bd->bd_status = BIOC_SDHOTSPARE;
1395 break;
1396 case ARC_FW_DISK_UNUSED:
1397 bd->bd_status = BIOC_SDUNUSED;
1398 break;
1399 case 0:
1400 /* disk has been disconnected */
1401 bd->bd_status = BIOC_SDOFFLINE;
1402 bd->bd_channel = 1;
1403 bd->bd_target = 0;
1404 bd->bd_lun = 0;
1405 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor));
1406 break;
1407 default:
1408 printf("%s: unknown disk device_state: 0x%x\n", __func__,
1409 diskinfo->device_state);
1410 bd->bd_status = BIOC_SDINVALID;
1411 return;
1414 blocks = (uint64_t)htole32(diskinfo->capacity2) << 32;
1415 blocks += (uint64_t)htole32(diskinfo->capacity);
1416 bd->bd_size = blocks * ARC_BLOCKSIZE; /* XXX */
1418 scsipi_strvis(model, 81, diskinfo->model, sizeof(diskinfo->model));
1419 scsipi_strvis(serial, 41, diskinfo->serial, sizeof(diskinfo->serial));
1420 scsipi_strvis(rev, 17, diskinfo->firmware_rev,
1421 sizeof(diskinfo->firmware_rev));
1423 snprintf(bd->bd_vendor, sizeof(bd->bd_vendor), "%s %s", model, rev);
1424 strlcpy(bd->bd_serial, serial, sizeof(bd->bd_serial));
1426 #if 0
1427 bd->bd_channel = diskinfo->scsi_attr.channel;
1428 bd->bd_target = diskinfo->scsi_attr.target;
1429 bd->bd_lun = diskinfo->scsi_attr.lun;
1430 #endif
1433 * the firwmare doesnt seem to fill scsi_attr in, so fake it with
1434 * the diskid.
1436 bd->bd_channel = 0;
1437 bd->bd_target = diskid;
1438 bd->bd_lun = 0;
1441 static int
1442 arc_bio_disk_volume(struct arc_softc *sc, struct bioc_disk *bd)
1444 struct arc_fw_raidinfo *raidinfo;
1445 struct arc_fw_volinfo *volinfo;
1446 struct arc_fw_diskinfo *diskinfo;
1447 uint8_t request[2];
1448 int error = 0;
1450 volinfo = kmem_zalloc(sizeof(*volinfo), KM_SLEEP);
1451 raidinfo = kmem_zalloc(sizeof(*raidinfo), KM_SLEEP);
1452 diskinfo = kmem_zalloc(sizeof(*diskinfo), KM_SLEEP);
1454 error = arc_bio_getvol(sc, bd->bd_volid, volinfo);
1455 if (error != 0)
1456 goto out;
1458 request[0] = ARC_FW_RAIDINFO;
1459 request[1] = volinfo->raid_set_number;
1461 error = arc_msgbuf(sc, request, sizeof(request), raidinfo,
1462 sizeof(struct arc_fw_raidinfo));
1463 if (error != 0)
1464 goto out;
1466 if (bd->bd_diskid >= sc->sc_cchans ||
1467 bd->bd_diskid >= raidinfo->member_devices) {
1468 error = ENODEV;
1469 goto out;
1472 if (raidinfo->device_array[bd->bd_diskid] == 0xff) {
1474 * The disk has been disconnected, mark it offline
1475 * and put it on another bus.
1477 bd->bd_channel = 1;
1478 bd->bd_target = 0;
1479 bd->bd_lun = 0;
1480 bd->bd_status = BIOC_SDOFFLINE;
1481 strlcpy(bd->bd_vendor, "disk missing", sizeof(bd->bd_vendor));
1482 goto out;
1485 request[0] = ARC_FW_DISKINFO;
1486 request[1] = raidinfo->device_array[bd->bd_diskid];
1487 error = arc_msgbuf(sc, request, sizeof(request), diskinfo,
1488 sizeof(struct arc_fw_diskinfo));
1489 if (error != 0)
1490 goto out;
1492 /* now fill our bio disk with data from the firmware */
1493 arc_bio_disk_filldata(sc, bd, diskinfo,
1494 raidinfo->device_array[bd->bd_diskid]);
1496 out:
1497 kmem_free(raidinfo, sizeof(*raidinfo));
1498 kmem_free(volinfo, sizeof(*volinfo));
1499 kmem_free(diskinfo, sizeof(*diskinfo));
1500 return error;
1502 #endif /* NBIO > 0 */
1504 uint8_t
1505 arc_msg_cksum(void *cmd, uint16_t len)
1507 uint8_t *buf = cmd;
1508 uint8_t cksum;
1509 int i;
1511 cksum = (uint8_t)(len >> 8) + (uint8_t)len;
1512 for (i = 0; i < len; i++)
1513 cksum += buf[i];
1515 return cksum;
1520 arc_msgbuf(struct arc_softc *sc, void *wptr, size_t wbuflen, void *rptr,
1521 size_t rbuflen)
1523 uint8_t rwbuf[ARC_REG_IOC_RWBUF_MAXLEN];
1524 uint8_t *wbuf, *rbuf;
1525 int wlen, wdone = 0, rlen, rdone = 0;
1526 struct arc_fw_bufhdr *bufhdr;
1527 uint32_t reg, rwlen;
1528 int error = 0;
1529 #ifdef ARC_DEBUG
1530 int i;
1531 #endif
1533 wbuf = rbuf = NULL;
1535 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wbuflen: %d rbuflen: %d\n",
1536 device_xname(sc->sc_dev), wbuflen, rbuflen);
1538 wlen = sizeof(struct arc_fw_bufhdr) + wbuflen + 1; /* 1 for cksum */
1539 wbuf = kmem_alloc(wlen, KM_SLEEP);
1541 rlen = sizeof(struct arc_fw_bufhdr) + rbuflen + 1; /* 1 for cksum */
1542 rbuf = kmem_alloc(rlen, KM_SLEEP);
1544 DNPRINTF(ARC_D_DB, "%s: arc_msgbuf wlen: %d rlen: %d\n",
1545 device_xname(sc->sc_dev), wlen, rlen);
1547 bufhdr = (struct arc_fw_bufhdr *)wbuf;
1548 bufhdr->hdr = arc_fw_hdr;
1549 bufhdr->len = htole16(wbuflen);
1550 memcpy(wbuf + sizeof(struct arc_fw_bufhdr), wptr, wbuflen);
1551 wbuf[wlen - 1] = arc_msg_cksum(wptr, wbuflen);
1553 arc_lock(sc);
1554 if (arc_read(sc, ARC_REG_OUTB_DOORBELL) != 0) {
1555 error = EBUSY;
1556 goto out;
1559 reg = ARC_REG_OUTB_DOORBELL_READ_OK;
1561 do {
1562 if ((reg & ARC_REG_OUTB_DOORBELL_READ_OK) && wdone < wlen) {
1563 memset(rwbuf, 0, sizeof(rwbuf));
1564 rwlen = (wlen - wdone) % sizeof(rwbuf);
1565 memcpy(rwbuf, &wbuf[wdone], rwlen);
1567 #ifdef ARC_DEBUG
1568 if (arcdebug & ARC_D_DB) {
1569 printf("%s: write %d:",
1570 device_xname(sc->sc_dev), rwlen);
1571 for (i = 0; i < rwlen; i++)
1572 printf(" 0x%02x", rwbuf[i]);
1573 printf("\n");
1575 #endif
1577 /* copy the chunk to the hw */
1578 arc_write(sc, ARC_REG_IOC_WBUF_LEN, rwlen);
1579 arc_write_region(sc, ARC_REG_IOC_WBUF, rwbuf,
1580 sizeof(rwbuf));
1582 /* say we have a buffer for the hw */
1583 arc_write(sc, ARC_REG_INB_DOORBELL,
1584 ARC_REG_INB_DOORBELL_WRITE_OK);
1586 wdone += rwlen;
1589 while ((reg = arc_read(sc, ARC_REG_OUTB_DOORBELL)) == 0)
1590 arc_wait(sc);
1592 arc_write(sc, ARC_REG_OUTB_DOORBELL, reg);
1594 DNPRINTF(ARC_D_DB, "%s: reg: 0x%08x\n",
1595 device_xname(sc->sc_dev), reg);
1597 if ((reg & ARC_REG_OUTB_DOORBELL_WRITE_OK) && rdone < rlen) {
1598 rwlen = arc_read(sc, ARC_REG_IOC_RBUF_LEN);
1599 if (rwlen > sizeof(rwbuf)) {
1600 DNPRINTF(ARC_D_DB, "%s: rwlen too big\n",
1601 device_xname(sc->sc_dev));
1602 error = EIO;
1603 goto out;
1606 arc_read_region(sc, ARC_REG_IOC_RBUF, rwbuf,
1607 sizeof(rwbuf));
1609 arc_write(sc, ARC_REG_INB_DOORBELL,
1610 ARC_REG_INB_DOORBELL_READ_OK);
1612 #ifdef ARC_DEBUG
1613 printf("%s: len: %d+%d=%d/%d\n",
1614 device_xname(sc->sc_dev),
1615 rwlen, rdone, rwlen + rdone, rlen);
1616 if (arcdebug & ARC_D_DB) {
1617 printf("%s: read:",
1618 device_xname(sc->sc_dev));
1619 for (i = 0; i < rwlen; i++)
1620 printf(" 0x%02x", rwbuf[i]);
1621 printf("\n");
1623 #endif
1625 if ((rdone + rwlen) > rlen) {
1626 DNPRINTF(ARC_D_DB, "%s: rwbuf too big\n",
1627 device_xname(sc->sc_dev));
1628 error = EIO;
1629 goto out;
1632 memcpy(&rbuf[rdone], rwbuf, rwlen);
1633 rdone += rwlen;
1635 } while (rdone != rlen);
1637 bufhdr = (struct arc_fw_bufhdr *)rbuf;
1638 if (memcmp(&bufhdr->hdr, &arc_fw_hdr, sizeof(bufhdr->hdr)) != 0 ||
1639 bufhdr->len != htole16(rbuflen)) {
1640 DNPRINTF(ARC_D_DB, "%s: rbuf hdr is wrong\n",
1641 device_xname(sc->sc_dev));
1642 error = EIO;
1643 goto out;
1646 memcpy(rptr, rbuf + sizeof(struct arc_fw_bufhdr), rbuflen);
1648 if (rbuf[rlen - 1] != arc_msg_cksum(rptr, rbuflen)) {
1649 DNPRINTF(ARC_D_DB, "%s: invalid cksum\n",
1650 device_xname(sc->sc_dev));
1651 error = EIO;
1652 goto out;
1655 out:
1656 arc_unlock(sc);
1657 kmem_free(wbuf, wlen);
1658 kmem_free(rbuf, rlen);
1660 return error;
1663 void
1664 arc_lock(struct arc_softc *sc)
1666 rw_enter(&sc->sc_rwlock, RW_WRITER);
1667 mutex_spin_enter(&sc->sc_mutex);
1668 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE);
1669 sc->sc_talking = 1;
1672 void
1673 arc_unlock(struct arc_softc *sc)
1675 KASSERT(mutex_owned(&sc->sc_mutex));
1677 arc_write(sc, ARC_REG_INTRMASK,
1678 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL));
1679 sc->sc_talking = 0;
1680 mutex_spin_exit(&sc->sc_mutex);
1681 rw_exit(&sc->sc_rwlock);
1684 void
1685 arc_wait(struct arc_softc *sc)
1687 KASSERT(mutex_owned(&sc->sc_mutex));
1689 arc_write(sc, ARC_REG_INTRMASK,
1690 ~(ARC_REG_INTRMASK_POSTQUEUE|ARC_REG_INTRMASK_DOORBELL));
1691 if (cv_timedwait(&sc->sc_condvar, &sc->sc_mutex, hz) == EWOULDBLOCK)
1692 arc_write(sc, ARC_REG_INTRMASK, ~ARC_REG_INTRMASK_POSTQUEUE);
1695 #if NBIO > 0
1696 static void
1697 arc_create_sensors(void *arg)
1699 struct arc_softc *sc = arg;
1700 struct bioc_inq bi;
1701 struct bioc_vol bv;
1702 int i, j;
1703 size_t slen, count = 0;
1705 memset(&bi, 0, sizeof(bi));
1706 if (arc_bio_inq(sc, &bi) != 0) {
1707 aprint_error("%s: unable to query firmware for sensor info\n",
1708 device_xname(sc->sc_dev));
1709 kthread_exit(0);
1712 /* There's no point to continue if there are no volumes */
1713 if (!bi.bi_novol)
1714 kthread_exit(0);
1716 for (i = 0; i < bi.bi_novol; i++) {
1717 memset(&bv, 0, sizeof(bv));
1718 bv.bv_volid = i;
1719 if (arc_bio_vol(sc, &bv) != 0)
1720 kthread_exit(0);
1722 /* Skip passthrough volumes */
1723 if (bv.bv_level == BIOC_SVOL_PASSTHRU)
1724 continue;
1726 /* new volume found */
1727 sc->sc_nsensors++;
1728 /* new disk in a volume found */
1729 sc->sc_nsensors+= bv.bv_nodisk;
1732 /* No valid volumes */
1733 if (!sc->sc_nsensors)
1734 kthread_exit(0);
1736 sc->sc_sme = sysmon_envsys_create();
1737 slen = sizeof(envsys_data_t) * sc->sc_nsensors;
1738 sc->sc_sensors = kmem_zalloc(slen, KM_SLEEP);
1740 /* Attach sensors for volumes and disks */
1741 for (i = 0; i < bi.bi_novol; i++) {
1742 memset(&bv, 0, sizeof(bv));
1743 bv.bv_volid = i;
1744 if (arc_bio_vol(sc, &bv) != 0)
1745 goto bad;
1747 sc->sc_sensors[count].units = ENVSYS_DRIVE;
1748 sc->sc_sensors[count].monitor = true;
1749 sc->sc_sensors[count].flags = ENVSYS_FMONSTCHANGED;
1751 /* Skip passthrough volumes */
1752 if (bv.bv_level == BIOC_SVOL_PASSTHRU)
1753 continue;
1755 if (bv.bv_level == BIOC_SVOL_RAID10)
1756 snprintf(sc->sc_sensors[count].desc,
1757 sizeof(sc->sc_sensors[count].desc),
1758 "RAID 1+0 volume%d (%s)", i, bv.bv_dev);
1759 else
1760 snprintf(sc->sc_sensors[count].desc,
1761 sizeof(sc->sc_sensors[count].desc),
1762 "RAID %d volume%d (%s)", bv.bv_level, i,
1763 bv.bv_dev);
1765 sc->sc_sensors[count].value_max = i;
1767 if (sysmon_envsys_sensor_attach(sc->sc_sme,
1768 &sc->sc_sensors[count]))
1769 goto bad;
1771 count++;
1773 /* Attach disk sensors for this volume */
1774 for (j = 0; j < bv.bv_nodisk; j++) {
1775 sc->sc_sensors[count].units = ENVSYS_DRIVE;
1776 sc->sc_sensors[count].monitor = true;
1777 sc->sc_sensors[count].flags = ENVSYS_FMONSTCHANGED;
1779 snprintf(sc->sc_sensors[count].desc,
1780 sizeof(sc->sc_sensors[count].desc),
1781 "disk%d volume%d (%s)", j, i, bv.bv_dev);
1782 sc->sc_sensors[count].value_max = i;
1783 sc->sc_sensors[count].value_avg = j + 10;
1785 if (sysmon_envsys_sensor_attach(sc->sc_sme,
1786 &sc->sc_sensors[count]))
1787 goto bad;
1789 count++;
1794 * Register our envsys driver with the framework now that the
1795 * sensors were all attached.
1797 sc->sc_sme->sme_name = device_xname(sc->sc_dev);
1798 sc->sc_sme->sme_cookie = sc;
1799 sc->sc_sme->sme_refresh = arc_refresh_sensors;
1801 if (sysmon_envsys_register(sc->sc_sme)) {
1802 aprint_debug("%s: unable to register with sysmon\n",
1803 device_xname(sc->sc_dev));
1804 goto bad;
1806 kthread_exit(0);
1808 bad:
1809 kmem_free(sc->sc_sensors, slen);
1810 sysmon_envsys_destroy(sc->sc_sme);
1811 kthread_exit(0);
1814 static void
1815 arc_refresh_sensors(struct sysmon_envsys *sme, envsys_data_t *edata)
1817 struct arc_softc *sc = sme->sme_cookie;
1818 struct bioc_vol bv;
1819 struct bioc_disk bd;
1821 /* sanity check */
1822 if (edata->units != ENVSYS_DRIVE)
1823 return;
1825 memset(&bv, 0, sizeof(bv));
1826 bv.bv_volid = edata->value_max;
1828 if (arc_bio_vol(sc, &bv)) {
1829 edata->value_cur = ENVSYS_DRIVE_EMPTY;
1830 edata->state = ENVSYS_SINVALID;
1831 return;
1834 /* Current sensor is handling a disk volume member */
1835 if (edata->value_avg) {
1836 memset(&bd, 0, sizeof(bd));
1837 bd.bd_volid = edata->value_max;
1838 bd.bd_diskid = edata->value_avg - 10;
1840 if (arc_bio_disk_volume(sc, &bd)) {
1841 edata->value_cur = ENVSYS_DRIVE_OFFLINE;
1842 edata->state = ENVSYS_SCRITICAL;
1843 return;
1846 switch (bd.bd_status) {
1847 case BIOC_SDONLINE:
1848 edata->value_cur = ENVSYS_DRIVE_ONLINE;
1849 edata->state = ENVSYS_SVALID;
1850 break;
1851 case BIOC_SDOFFLINE:
1852 edata->value_cur = ENVSYS_DRIVE_OFFLINE;
1853 edata->state = ENVSYS_SCRITICAL;
1854 break;
1855 default:
1856 edata->value_cur = ENVSYS_DRIVE_FAIL;
1857 edata->state = ENVSYS_SCRITICAL;
1858 break;
1861 return;
1864 /* Current sensor is handling a volume */
1865 switch (bv.bv_status) {
1866 case BIOC_SVOFFLINE:
1867 edata->value_cur = ENVSYS_DRIVE_OFFLINE;
1868 edata->state = ENVSYS_SCRITICAL;
1869 break;
1870 case BIOC_SVDEGRADED:
1871 edata->value_cur = ENVSYS_DRIVE_PFAIL;
1872 edata->state = ENVSYS_SCRITICAL;
1873 break;
1874 case BIOC_SVBUILDING:
1875 edata->value_cur = ENVSYS_DRIVE_BUILD;
1876 edata->state = ENVSYS_SVALID;
1877 break;
1878 case BIOC_SVMIGRATING:
1879 edata->value_cur = ENVSYS_DRIVE_MIGRATING;
1880 edata->state = ENVSYS_SVALID;
1881 break;
1882 case BIOC_SVCHECKING:
1883 edata->value_cur = ENVSYS_DRIVE_CHECK;
1884 edata->state = ENVSYS_SVALID;
1885 break;
1886 case BIOC_SVREBUILD:
1887 edata->value_cur = ENVSYS_DRIVE_REBUILD;
1888 edata->state = ENVSYS_SCRITICAL;
1889 break;
1890 case BIOC_SVSCRUB:
1891 case BIOC_SVONLINE:
1892 edata->value_cur = ENVSYS_DRIVE_ONLINE;
1893 edata->state = ENVSYS_SVALID;
1894 break;
1895 case BIOC_SVINVALID:
1896 /* FALLTHROUGH */
1897 default:
1898 edata->value_cur = ENVSYS_DRIVE_EMPTY; /* unknown state */
1899 edata->state = ENVSYS_SINVALID;
1900 break;
1903 #endif /* NBIO > 0 */
1905 uint32_t
1906 arc_read(struct arc_softc *sc, bus_size_t r)
1908 uint32_t v;
1910 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4,
1911 BUS_SPACE_BARRIER_READ);
1912 v = bus_space_read_4(sc->sc_iot, sc->sc_ioh, r);
1914 DNPRINTF(ARC_D_RW, "%s: arc_read 0x%lx 0x%08x\n",
1915 device_xname(sc->sc_dev), r, v);
1917 return v;
1920 void
1921 arc_read_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len)
1923 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len,
1924 BUS_SPACE_BARRIER_READ);
1925 bus_space_read_region_4(sc->sc_iot, sc->sc_ioh, r,
1926 (uint32_t *)buf, len >> 2);
1929 void
1930 arc_write(struct arc_softc *sc, bus_size_t r, uint32_t v)
1932 DNPRINTF(ARC_D_RW, "%s: arc_write 0x%lx 0x%08x\n",
1933 device_xname(sc->sc_dev), r, v);
1935 bus_space_write_4(sc->sc_iot, sc->sc_ioh, r, v);
1936 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, 4,
1937 BUS_SPACE_BARRIER_WRITE);
1940 void
1941 arc_write_region(struct arc_softc *sc, bus_size_t r, void *buf, size_t len)
1943 bus_space_write_region_4(sc->sc_iot, sc->sc_ioh, r,
1944 (const uint32_t *)buf, len >> 2);
1945 bus_space_barrier(sc->sc_iot, sc->sc_ioh, r, len,
1946 BUS_SPACE_BARRIER_WRITE);
1950 arc_wait_eq(struct arc_softc *sc, bus_size_t r, uint32_t mask,
1951 uint32_t target)
1953 int i;
1955 DNPRINTF(ARC_D_RW, "%s: arc_wait_eq 0x%lx 0x%08x 0x%08x\n",
1956 device_xname(sc->sc_dev), r, mask, target);
1958 for (i = 0; i < 10000; i++) {
1959 if ((arc_read(sc, r) & mask) == target)
1960 return 0;
1961 delay(1000);
1964 return 1;
1968 arc_wait_ne(struct arc_softc *sc, bus_size_t r, uint32_t mask,
1969 uint32_t target)
1971 int i;
1973 DNPRINTF(ARC_D_RW, "%s: arc_wait_ne 0x%lx 0x%08x 0x%08x\n",
1974 device_xname(sc->sc_dev), r, mask, target);
1976 for (i = 0; i < 10000; i++) {
1977 if ((arc_read(sc, r) & mask) != target)
1978 return 0;
1979 delay(1000);
1982 return 1;
1986 arc_msg0(struct arc_softc *sc, uint32_t m)
1988 /* post message */
1989 arc_write(sc, ARC_REG_INB_MSG0, m);
1990 /* wait for the fw to do it */
1991 if (arc_wait_eq(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0,
1992 ARC_REG_INTRSTAT_MSG0) != 0)
1993 return 1;
1995 /* ack it */
1996 arc_write(sc, ARC_REG_INTRSTAT, ARC_REG_INTRSTAT_MSG0);
1998 return 0;
2001 struct arc_dmamem *
2002 arc_dmamem_alloc(struct arc_softc *sc, size_t size)
2004 struct arc_dmamem *adm;
2005 int nsegs;
2007 adm = kmem_zalloc(sizeof(*adm), KM_NOSLEEP);
2008 if (adm == NULL)
2009 return NULL;
2011 adm->adm_size = size;
2013 if (bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
2014 BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &adm->adm_map) != 0)
2015 goto admfree;
2017 if (bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &adm->adm_seg,
2018 1, &nsegs, BUS_DMA_NOWAIT) != 0)
2019 goto destroy;
2021 if (bus_dmamem_map(sc->sc_dmat, &adm->adm_seg, nsegs, size,
2022 &adm->adm_kva, BUS_DMA_NOWAIT|BUS_DMA_COHERENT) != 0)
2023 goto free;
2025 if (bus_dmamap_load(sc->sc_dmat, adm->adm_map, adm->adm_kva, size,
2026 NULL, BUS_DMA_NOWAIT) != 0)
2027 goto unmap;
2029 memset(adm->adm_kva, 0, size);
2031 return adm;
2033 unmap:
2034 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, size);
2035 free:
2036 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1);
2037 destroy:
2038 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map);
2039 admfree:
2040 kmem_free(adm, sizeof(*adm));
2042 return NULL;
2045 void
2046 arc_dmamem_free(struct arc_softc *sc, struct arc_dmamem *adm)
2048 bus_dmamap_unload(sc->sc_dmat, adm->adm_map);
2049 bus_dmamem_unmap(sc->sc_dmat, adm->adm_kva, adm->adm_size);
2050 bus_dmamem_free(sc->sc_dmat, &adm->adm_seg, 1);
2051 bus_dmamap_destroy(sc->sc_dmat, adm->adm_map);
2052 kmem_free(adm, sizeof(*adm));
2056 arc_alloc_ccbs(device_t self)
2058 struct arc_softc *sc = device_private(self);
2059 struct arc_ccb *ccb;
2060 uint8_t *cmd;
2061 int i;
2062 size_t ccbslen;
2064 TAILQ_INIT(&sc->sc_ccb_free);
2066 ccbslen = sizeof(struct arc_ccb) * sc->sc_req_count;
2067 sc->sc_ccbs = kmem_zalloc(ccbslen, KM_SLEEP);
2069 sc->sc_requests = arc_dmamem_alloc(sc,
2070 ARC_MAX_IOCMDLEN * sc->sc_req_count);
2071 if (sc->sc_requests == NULL) {
2072 aprint_error_dev(self, "unable to allocate ccb dmamem\n");
2073 goto free_ccbs;
2075 cmd = ARC_DMA_KVA(sc->sc_requests);
2077 for (i = 0; i < sc->sc_req_count; i++) {
2078 ccb = &sc->sc_ccbs[i];
2080 if (bus_dmamap_create(sc->sc_dmat, MAXPHYS, ARC_SGL_MAXLEN,
2081 MAXPHYS, 0, 0, &ccb->ccb_dmamap) != 0) {
2082 aprint_error_dev(self,
2083 "unable to create dmamap for ccb %d\n", i);
2084 goto free_maps;
2087 ccb->ccb_sc = sc;
2088 ccb->ccb_id = i;
2089 ccb->ccb_offset = ARC_MAX_IOCMDLEN * i;
2091 ccb->ccb_cmd = (struct arc_io_cmd *)&cmd[ccb->ccb_offset];
2092 ccb->ccb_cmd_post = (ARC_DMA_DVA(sc->sc_requests) +
2093 ccb->ccb_offset) >> ARC_REG_POST_QUEUE_ADDR_SHIFT;
2095 arc_put_ccb(sc, ccb);
2098 return 0;
2100 free_maps:
2101 while ((ccb = arc_get_ccb(sc)) != NULL)
2102 bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmamap);
2103 arc_dmamem_free(sc, sc->sc_requests);
2105 free_ccbs:
2106 kmem_free(sc->sc_ccbs, ccbslen);
2108 return 1;
2111 struct arc_ccb *
2112 arc_get_ccb(struct arc_softc *sc)
2114 struct arc_ccb *ccb;
2116 ccb = TAILQ_FIRST(&sc->sc_ccb_free);
2117 if (ccb != NULL)
2118 TAILQ_REMOVE(&sc->sc_ccb_free, ccb, ccb_link);
2120 return ccb;
2123 void
2124 arc_put_ccb(struct arc_softc *sc, struct arc_ccb *ccb)
2126 ccb->ccb_xs = NULL;
2127 memset(ccb->ccb_cmd, 0, ARC_MAX_IOCMDLEN);
2128 TAILQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_link);