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47#include <linux/module.h>
48#include <linux/kernel.h>
49#include <linux/slab.h>
50#include <linux/init.h>
51#include <linux/errno.h>
52#include <linux/kdev_t.h>
53#include <linux/blkdev.h>
54#include <linux/delay.h>
55#include <linux/interrupt.h>
56#include <linux/reboot.h>
57#include <linux/workqueue.h>
58#include <linux/raid_class.h>
59
60#include <scsi/scsi.h>
61#include <scsi/scsi_cmnd.h>
62#include <scsi/scsi_device.h>
63#include <scsi/scsi_host.h>
64#include <scsi/scsi_tcq.h>
65#include <scsi/scsi_transport.h>
66#include <scsi/scsi_transport_spi.h>
67#include <scsi/scsi_dbg.h>
68
69#include "mptbase.h"
70#include "mptscsih.h"
71
72
73#define my_NAME "Fusion MPT SPI Host driver"
74#define my_VERSION MPT_LINUX_VERSION_COMMON
75#define MYNAM "mptspi"
76
77MODULE_AUTHOR(MODULEAUTHOR);
78MODULE_DESCRIPTION(my_NAME);
79MODULE_LICENSE("GPL");
80MODULE_VERSION(my_VERSION);
81
82
83static int mpt_saf_te = MPTSCSIH_SAF_TE;
84module_param(mpt_saf_te, int, 0);
85MODULE_PARM_DESC(mpt_saf_te, " Force enabling SEP Processor: enable=1 (default=MPTSCSIH_SAF_TE=0)");
86
87static void mptspi_write_offset(struct scsi_target *, int);
88static void mptspi_write_width(struct scsi_target *, int);
89static int mptspi_write_spi_device_pg1(struct scsi_target *,
90 struct _CONFIG_PAGE_SCSI_DEVICE_1 *);
91
92static struct scsi_transport_template *mptspi_transport_template = NULL;
93
94static u8 mptspiDoneCtx = MPT_MAX_PROTOCOL_DRIVERS;
95static u8 mptspiTaskCtx = MPT_MAX_PROTOCOL_DRIVERS;
96static u8 mptspiInternalCtx = MPT_MAX_PROTOCOL_DRIVERS;
97
98
99
100
101
102
103
104
105
106
107static void
108mptspi_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
109 struct scsi_device *sdev)
110{
111 MPT_ADAPTER *ioc = hd->ioc;
112 SpiCfgData *pspi_data = &ioc->spi_data;
113 int id = (int) target->id;
114 int nvram;
115 u8 width = MPT_NARROW;
116 u8 factor = MPT_ASYNC;
117 u8 offset = 0;
118 u8 nfactor;
119 u8 noQas = 1;
120
121 target->negoFlags = pspi_data->noQas;
122
123 if (sdev->scsi_level < SCSI_2) {
124 width = 0;
125 factor = MPT_ULTRA2;
126 offset = pspi_data->maxSyncOffset;
127 target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
128 } else {
129 if (scsi_device_wide(sdev))
130 width = 1;
131
132 if (scsi_device_sync(sdev)) {
133 factor = pspi_data->minSyncFactor;
134 if (!scsi_device_dt(sdev))
135 factor = MPT_ULTRA2;
136 else {
137 if (!scsi_device_ius(sdev) &&
138 !scsi_device_qas(sdev))
139 factor = MPT_ULTRA160;
140 else {
141 factor = MPT_ULTRA320;
142 if (scsi_device_qas(sdev)) {
143 ddvprintk(ioc,
144 printk(MYIOC_s_DEBUG_FMT "Enabling QAS due to "
145 "byte56=%02x on id=%d!\n", ioc->name,
146 scsi_device_qas(sdev), id));
147 noQas = 0;
148 }
149 if (sdev->type == TYPE_TAPE &&
150 scsi_device_ius(sdev))
151 target->negoFlags |= MPT_TAPE_NEGO_IDP;
152 }
153 }
154 offset = pspi_data->maxSyncOffset;
155
156
157
158
159
160
161
162 if (target->raidVolume == 1)
163 noQas = 0;
164 } else {
165 factor = MPT_ASYNC;
166 offset = 0;
167 }
168 }
169
170 if (!sdev->tagged_supported)
171 target->tflags &= ~MPT_TARGET_FLAGS_Q_YES;
172
173
174
175 if (pspi_data->nvram && (pspi_data->nvram[id] != MPT_HOST_NVRAM_INVALID)) {
176 nvram = pspi_data->nvram[id];
177 nfactor = (nvram & MPT_NVRAM_SYNC_MASK) >> 8;
178
179 if (width)
180 width = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
181
182 if (offset > 0) {
183
184
185
186 if (nfactor) {
187 if (nfactor < pspi_data->minSyncFactor )
188 nfactor = pspi_data->minSyncFactor;
189
190 factor = max(factor, nfactor);
191 if (factor == MPT_ASYNC)
192 offset = 0;
193 } else {
194 offset = 0;
195 factor = MPT_ASYNC;
196 }
197 } else {
198 factor = MPT_ASYNC;
199 }
200 }
201
202
203
204 if ((!width) && (factor < MPT_ULTRA2))
205 factor = MPT_ULTRA2;
206
207
208
209 target->minSyncFactor = factor;
210 target->maxOffset = offset;
211 target->maxWidth = width;
212
213 spi_min_period(scsi_target(sdev)) = factor;
214 spi_max_offset(scsi_target(sdev)) = offset;
215 spi_max_width(scsi_target(sdev)) = width;
216
217 target->tflags |= MPT_TARGET_FLAGS_VALID_NEGO;
218
219
220
221 if (!width)
222 target->negoFlags |= MPT_TARGET_NO_NEGO_WIDE;
223
224 if (!offset)
225 target->negoFlags |= MPT_TARGET_NO_NEGO_SYNC;
226
227 if ( factor > MPT_ULTRA320 )
228 noQas = 0;
229
230 if (noQas && (pspi_data->noQas == 0)) {
231 pspi_data->noQas |= MPT_TARGET_NO_NEGO_QAS;
232 target->negoFlags |= MPT_TARGET_NO_NEGO_QAS;
233
234
235
236
237 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
238 "Disabling QAS due to noQas=%02x on id=%d!\n", ioc->name, noQas, id));
239 }
240}
241
242
243
244
245
246
247
248
249
250
251
252
253static int
254mptspi_writeIOCPage4(MPT_SCSI_HOST *hd, u8 channel , u8 id)
255{
256 MPT_ADAPTER *ioc = hd->ioc;
257 Config_t *pReq;
258 IOCPage4_t *IOCPage4Ptr;
259 MPT_FRAME_HDR *mf;
260 dma_addr_t dataDma;
261 u16 req_idx;
262 u32 frameOffset;
263 u32 flagsLength;
264 int ii;
265
266
267
268 if ((mf = mpt_get_msg_frame(ioc->DoneCtx, ioc)) == NULL) {
269 dfailprintk(ioc, printk(MYIOC_s_WARN_FMT
270 "writeIOCPage4 : no msg frames!\n",ioc->name));
271 return -EAGAIN;
272 }
273
274
275
276
277 pReq = (Config_t *)mf;
278
279 req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
280 frameOffset = ioc->req_sz - sizeof(IOCPage4_t);
281
282
283
284 pReq->Action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
285 pReq->Reserved = 0;
286 pReq->ChainOffset = 0;
287 pReq->Function = MPI_FUNCTION_CONFIG;
288 pReq->ExtPageLength = 0;
289 pReq->ExtPageType = 0;
290 pReq->MsgFlags = 0;
291 for (ii=0; ii < 8; ii++) {
292 pReq->Reserved2[ii] = 0;
293 }
294
295 IOCPage4Ptr = ioc->spi_data.pIocPg4;
296 dataDma = ioc->spi_data.IocPg4_dma;
297 ii = IOCPage4Ptr->ActiveSEP++;
298 IOCPage4Ptr->SEP[ii].SEPTargetID = id;
299 IOCPage4Ptr->SEP[ii].SEPBus = channel;
300 pReq->Header = IOCPage4Ptr->Header;
301 pReq->PageAddress = cpu_to_le32(id | (channel << 8 ));
302
303
304
305 flagsLength = MPT_SGE_FLAGS_SSIMPLE_WRITE |
306 (IOCPage4Ptr->Header.PageLength + ii) * 4;
307
308 ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
309
310 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
311 "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n",
312 ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, id, channel));
313
314 mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
315
316 return 0;
317}
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332static void
333mptspi_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
334 struct scsi_device *sdev)
335{
336
337
338
339
340 if (sdev->inq_periph_qual != 0)
341 return;
342
343 if (vtarget == NULL)
344 return;
345
346 vtarget->type = sdev->type;
347
348 if ((sdev->type == TYPE_PROCESSOR) && (hd->ioc->spi_data.Saf_Te)) {
349
350
351 vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
352 mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
353 }else if ((sdev->type == TYPE_PROCESSOR) &&
354 !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) {
355 if (sdev->inquiry_len > 49 ) {
356 if (sdev->inquiry[44] == 'S' &&
357 sdev->inquiry[45] == 'A' &&
358 sdev->inquiry[46] == 'F' &&
359 sdev->inquiry[47] == '-' &&
360 sdev->inquiry[48] == 'T' &&
361 sdev->inquiry[49] == 'E' ) {
362 vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
363 mptspi_writeIOCPage4(hd, vtarget->channel, vtarget->id);
364 }
365 }
366 }
367 mptspi_setTargetNegoParms(hd, vtarget, sdev);
368}
369
370
371
372
373
374
375
376
377
378
379
380static int
381mptspi_is_raid(struct _MPT_SCSI_HOST *hd, u32 id)
382{
383 int i, rc = 0;
384 MPT_ADAPTER *ioc = hd->ioc;
385
386 if (!ioc->raid_data.pIocPg2)
387 goto out;
388
389 if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
390 goto out;
391 for (i=0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
392 if (ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID == id) {
393 rc = 1;
394 goto out;
395 }
396 }
397
398 out:
399 return rc;
400}
401
402static int mptspi_target_alloc(struct scsi_target *starget)
403{
404 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
405 struct _MPT_SCSI_HOST *hd = shost_priv(shost);
406 VirtTarget *vtarget;
407 MPT_ADAPTER *ioc;
408
409 if (hd == NULL)
410 return -ENODEV;
411
412 ioc = hd->ioc;
413 vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
414 if (!vtarget)
415 return -ENOMEM;
416
417 vtarget->ioc_id = ioc->id;
418 vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
419 vtarget->id = (u8)starget->id;
420 vtarget->channel = (u8)starget->channel;
421 vtarget->starget = starget;
422 starget->hostdata = vtarget;
423
424 if (starget->channel == 1) {
425 if (mptscsih_is_phys_disk(ioc, 0, starget->id) == 0)
426 return 0;
427 vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
428
429 vtarget->channel = 0;
430
431 vtarget->id = mptscsih_raid_id_to_num(ioc, 0,
432 starget->id);
433 }
434
435 if (starget->channel == 0 &&
436 mptspi_is_raid(hd, starget->id)) {
437 vtarget->raidVolume = 1;
438 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
439 "RAID Volume @ channel=%d id=%d\n", ioc->name, starget->channel,
440 starget->id));
441 }
442
443 if (ioc->spi_data.nvram &&
444 ioc->spi_data.nvram[starget->id] != MPT_HOST_NVRAM_INVALID) {
445 u32 nvram = ioc->spi_data.nvram[starget->id];
446 spi_min_period(starget) = (nvram & MPT_NVRAM_SYNC_MASK) >> MPT_NVRAM_SYNC_SHIFT;
447 spi_max_width(starget) = nvram & MPT_NVRAM_WIDE_DISABLE ? 0 : 1;
448 } else {
449 spi_min_period(starget) = ioc->spi_data.minSyncFactor;
450 spi_max_width(starget) = ioc->spi_data.maxBusWidth;
451 }
452 spi_max_offset(starget) = ioc->spi_data.maxSyncOffset;
453
454 spi_offset(starget) = 0;
455 spi_period(starget) = 0xFF;
456 mptspi_write_width(starget, 0);
457
458 return 0;
459}
460
461static void
462mptspi_target_destroy(struct scsi_target *starget)
463{
464 if (starget->hostdata)
465 kfree(starget->hostdata);
466 starget->hostdata = NULL;
467}
468
469
470
471
472
473
474
475
476static void
477mptspi_print_write_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii)
478{
479 ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Requested = 0x%08x"
480 " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n",
481 hd->ioc->name, starget->id, ii,
482 ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "",
483 ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF),
484 ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "",
485 ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "",
486 ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "",
487 ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "",
488 ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "",
489 ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "",
490 ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "",
491 ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": ""));
492}
493
494
495
496
497
498
499
500
501static void
502mptspi_print_read_nego(struct _MPT_SCSI_HOST *hd, struct scsi_target *starget, u32 ii)
503{
504 ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d Read = 0x%08x"
505 " ( %s factor = 0x%02x @ offset = 0x%02x %s%s%s%s%s%s%s%s)\n",
506 hd->ioc->name, starget->id, ii,
507 ii & MPI_SCSIDEVPAGE0_NP_WIDE ? "Wide ": "",
508 ((ii >> 8) & 0xFF), ((ii >> 16) & 0xFF),
509 ii & MPI_SCSIDEVPAGE0_NP_IU ? "IU ": "",
510 ii & MPI_SCSIDEVPAGE0_NP_DT ? "DT ": "",
511 ii & MPI_SCSIDEVPAGE0_NP_QAS ? "QAS ": "",
512 ii & MPI_SCSIDEVPAGE0_NP_HOLD_MCS ? "HOLDMCS ": "",
513 ii & MPI_SCSIDEVPAGE0_NP_WR_FLOW ? "WRFLOW ": "",
514 ii & MPI_SCSIDEVPAGE0_NP_RD_STRM ? "RDSTRM ": "",
515 ii & MPI_SCSIDEVPAGE0_NP_RTI ? "RTI ": "",
516 ii & MPI_SCSIDEVPAGE0_NP_PCOMP_EN ? "PCOMP ": ""));
517}
518
519static int mptspi_read_spi_device_pg0(struct scsi_target *starget,
520 struct _CONFIG_PAGE_SCSI_DEVICE_0 *pass_pg0)
521{
522 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
523 struct _MPT_SCSI_HOST *hd = shost_priv(shost);
524 struct _MPT_ADAPTER *ioc = hd->ioc;
525 struct _CONFIG_PAGE_SCSI_DEVICE_0 *spi_dev_pg0;
526 dma_addr_t spi_dev_pg0_dma;
527 int size;
528 struct _x_config_parms cfg;
529 struct _CONFIG_PAGE_HEADER hdr;
530 int err = -EBUSY;
531
532
533 if (starget->channel == 0 &&
534 mptspi_is_raid(hd, starget->id))
535 return -1;
536
537 size = ioc->spi_data.sdp0length * 4;
538
539
540
541
542
543
544 spi_dev_pg0 = dma_alloc_coherent(&ioc->pcidev->dev, size, &spi_dev_pg0_dma, GFP_KERNEL);
545 if (spi_dev_pg0 == NULL) {
546 starget_printk(KERN_ERR, starget, MYIOC_s_FMT
547 "dma_alloc_coherent for parameters failed\n", ioc->name);
548 return -EINVAL;
549 }
550
551 memset(&hdr, 0, sizeof(hdr));
552
553 hdr.PageVersion = ioc->spi_data.sdp0version;
554 hdr.PageLength = ioc->spi_data.sdp0length;
555 hdr.PageNumber = 0;
556 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
557
558 memset(&cfg, 0, sizeof(cfg));
559
560 cfg.cfghdr.hdr = &hdr;
561 cfg.physAddr = spi_dev_pg0_dma;
562 cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
563 cfg.dir = 0;
564 cfg.pageAddr = starget->id;
565 cfg.timeout = 60;
566
567 if (mpt_config(ioc, &cfg)) {
568 starget_printk(KERN_ERR, starget, MYIOC_s_FMT "mpt_config failed\n", ioc->name);
569 goto out_free;
570 }
571 err = 0;
572 memcpy(pass_pg0, spi_dev_pg0, size);
573
574 mptspi_print_read_nego(hd, starget, le32_to_cpu(spi_dev_pg0->NegotiatedParameters));
575
576 out_free:
577 dma_free_coherent(&ioc->pcidev->dev, size, spi_dev_pg0, spi_dev_pg0_dma);
578 return err;
579}
580
581static u32 mptspi_getRP(struct scsi_target *starget)
582{
583 u32 nego = 0;
584
585 nego |= spi_iu(starget) ? MPI_SCSIDEVPAGE1_RP_IU : 0;
586 nego |= spi_dt(starget) ? MPI_SCSIDEVPAGE1_RP_DT : 0;
587 nego |= spi_qas(starget) ? MPI_SCSIDEVPAGE1_RP_QAS : 0;
588 nego |= spi_hold_mcs(starget) ? MPI_SCSIDEVPAGE1_RP_HOLD_MCS : 0;
589 nego |= spi_wr_flow(starget) ? MPI_SCSIDEVPAGE1_RP_WR_FLOW : 0;
590 nego |= spi_rd_strm(starget) ? MPI_SCSIDEVPAGE1_RP_RD_STRM : 0;
591 nego |= spi_rti(starget) ? MPI_SCSIDEVPAGE1_RP_RTI : 0;
592 nego |= spi_pcomp_en(starget) ? MPI_SCSIDEVPAGE1_RP_PCOMP_EN : 0;
593
594 nego |= (spi_period(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD) & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK;
595 nego |= (spi_offset(starget) << MPI_SCSIDEVPAGE1_RP_SHIFT_MAX_SYNC_OFFSET) & MPI_SCSIDEVPAGE1_RP_MAX_SYNC_OFFSET_MASK;
596 nego |= spi_width(starget) ? MPI_SCSIDEVPAGE1_RP_WIDE : 0;
597
598 return nego;
599}
600
601static void mptspi_read_parameters(struct scsi_target *starget)
602{
603 int nego;
604 struct _CONFIG_PAGE_SCSI_DEVICE_0 spi_dev_pg0;
605
606 mptspi_read_spi_device_pg0(starget, &spi_dev_pg0);
607
608 nego = le32_to_cpu(spi_dev_pg0.NegotiatedParameters);
609
610 spi_iu(starget) = (nego & MPI_SCSIDEVPAGE0_NP_IU) ? 1 : 0;
611 spi_dt(starget) = (nego & MPI_SCSIDEVPAGE0_NP_DT) ? 1 : 0;
612 spi_qas(starget) = (nego & MPI_SCSIDEVPAGE0_NP_QAS) ? 1 : 0;
613 spi_wr_flow(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WR_FLOW) ? 1 : 0;
614 spi_rd_strm(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RD_STRM) ? 1 : 0;
615 spi_rti(starget) = (nego & MPI_SCSIDEVPAGE0_NP_RTI) ? 1 : 0;
616 spi_pcomp_en(starget) = (nego & MPI_SCSIDEVPAGE0_NP_PCOMP_EN) ? 1 : 0;
617 spi_hold_mcs(starget) = (nego & MPI_SCSIDEVPAGE0_NP_HOLD_MCS) ? 1 : 0;
618 spi_period(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_PERIOD_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_PERIOD;
619 spi_offset(starget) = (nego & MPI_SCSIDEVPAGE0_NP_NEG_SYNC_OFFSET_MASK) >> MPI_SCSIDEVPAGE0_NP_SHIFT_SYNC_OFFSET;
620 spi_width(starget) = (nego & MPI_SCSIDEVPAGE0_NP_WIDE) ? 1 : 0;
621}
622
623int
624mptscsih_quiesce_raid(MPT_SCSI_HOST *hd, int quiesce, u8 channel, u8 id)
625{
626 MPT_ADAPTER *ioc = hd->ioc;
627 MpiRaidActionRequest_t *pReq;
628 MPT_FRAME_HDR *mf;
629 int ret;
630 unsigned long timeleft;
631
632 mutex_lock(&ioc->internal_cmds.mutex);
633
634
635
636 if ((mf = mpt_get_msg_frame(ioc->InternalCtx, ioc)) == NULL) {
637 dfailprintk(hd->ioc, printk(MYIOC_s_WARN_FMT
638 "%s: no msg frames!\n", ioc->name, __func__));
639 ret = -EAGAIN;
640 goto out;
641 }
642 pReq = (MpiRaidActionRequest_t *)mf;
643 if (quiesce)
644 pReq->Action = MPI_RAID_ACTION_QUIESCE_PHYS_IO;
645 else
646 pReq->Action = MPI_RAID_ACTION_ENABLE_PHYS_IO;
647 pReq->Reserved1 = 0;
648 pReq->ChainOffset = 0;
649 pReq->Function = MPI_FUNCTION_RAID_ACTION;
650 pReq->VolumeID = id;
651 pReq->VolumeBus = channel;
652 pReq->PhysDiskNum = 0;
653 pReq->MsgFlags = 0;
654 pReq->Reserved2 = 0;
655 pReq->ActionDataWord = 0;
656
657 ioc->add_sge((char *)&pReq->ActionDataSGE,
658 MPT_SGE_FLAGS_SSIMPLE_READ | 0, (dma_addr_t) -1);
659
660 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT "RAID Volume action=%x channel=%d id=%d\n",
661 ioc->name, pReq->Action, channel, id));
662
663 INITIALIZE_MGMT_STATUS(ioc->internal_cmds.status)
664 mpt_put_msg_frame(ioc->InternalCtx, ioc, mf);
665 timeleft = wait_for_completion_timeout(&ioc->internal_cmds.done, 10*HZ);
666 if (!(ioc->internal_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
667 ret = -ETIME;
668 dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: TIMED OUT!\n",
669 ioc->name, __func__));
670 if (ioc->internal_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
671 goto out;
672 if (!timeleft) {
673 printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
674 ioc->name, __func__);
675 mpt_HardResetHandler(ioc, CAN_SLEEP);
676 mpt_free_msg_frame(ioc, mf);
677 }
678 goto out;
679 }
680
681 ret = ioc->internal_cmds.completion_code;
682
683 out:
684 CLEAR_MGMT_STATUS(ioc->internal_cmds.status)
685 mutex_unlock(&ioc->internal_cmds.mutex);
686 return ret;
687}
688
689static void mptspi_dv_device(struct _MPT_SCSI_HOST *hd,
690 struct scsi_device *sdev)
691{
692 VirtTarget *vtarget = scsi_target(sdev)->hostdata;
693 MPT_ADAPTER *ioc = hd->ioc;
694
695
696 if (sdev->channel == 0 &&
697 mptspi_is_raid(hd, sdev->id))
698 return;
699
700
701 if (sdev->channel == 1 &&
702 mptscsih_quiesce_raid(hd, 1, vtarget->channel, vtarget->id) < 0) {
703 starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT
704 "Integrated RAID quiesce failed\n", ioc->name);
705 return;
706 }
707
708 hd->spi_pending |= (1 << sdev->id);
709 spi_dv_device(sdev);
710 hd->spi_pending &= ~(1 << sdev->id);
711
712 if (sdev->channel == 1 &&
713 mptscsih_quiesce_raid(hd, 0, vtarget->channel, vtarget->id) < 0)
714 starget_printk(KERN_ERR, scsi_target(sdev), MYIOC_s_FMT
715 "Integrated RAID resume failed\n", ioc->name);
716
717 mptspi_read_parameters(sdev->sdev_target);
718 spi_display_xfer_agreement(sdev->sdev_target);
719 mptspi_read_parameters(sdev->sdev_target);
720}
721
722static int mptspi_slave_alloc(struct scsi_device *sdev)
723{
724 MPT_SCSI_HOST *hd = shost_priv(sdev->host);
725 VirtTarget *vtarget;
726 VirtDevice *vdevice;
727 struct scsi_target *starget;
728 MPT_ADAPTER *ioc = hd->ioc;
729
730 if (sdev->channel == 1 &&
731 mptscsih_is_phys_disk(ioc, 0, sdev->id) == 0)
732 return -ENXIO;
733
734 vdevice = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
735 if (!vdevice) {
736 printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
737 ioc->name, sizeof(VirtDevice));
738 return -ENOMEM;
739 }
740
741 vdevice->lun = sdev->lun;
742 sdev->hostdata = vdevice;
743
744 starget = scsi_target(sdev);
745 vtarget = starget->hostdata;
746 vdevice->vtarget = vtarget;
747 vtarget->num_luns++;
748
749 if (sdev->channel == 1)
750 sdev->no_uld_attach = 1;
751
752 return 0;
753}
754
755static int mptspi_slave_configure(struct scsi_device *sdev)
756{
757 struct _MPT_SCSI_HOST *hd = shost_priv(sdev->host);
758 VirtTarget *vtarget = scsi_target(sdev)->hostdata;
759 int ret;
760
761 mptspi_initTarget(hd, vtarget, sdev);
762
763 ret = mptscsih_slave_configure(sdev);
764
765 if (ret)
766 return ret;
767
768 ddvprintk(hd->ioc, printk(MYIOC_s_DEBUG_FMT "id=%d min_period=0x%02x"
769 " max_offset=0x%02x max_width=%d\n", hd->ioc->name,
770 sdev->id, spi_min_period(scsi_target(sdev)),
771 spi_max_offset(scsi_target(sdev)),
772 spi_max_width(scsi_target(sdev))));
773
774 if ((sdev->channel == 1 ||
775 !(mptspi_is_raid(hd, sdev->id))) &&
776 !spi_initial_dv(sdev->sdev_target))
777 mptspi_dv_device(hd, sdev);
778
779 return 0;
780}
781
782static int
783mptspi_qcmd_lck(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
784{
785 struct _MPT_SCSI_HOST *hd = shost_priv(SCpnt->device->host);
786 VirtDevice *vdevice = SCpnt->device->hostdata;
787 MPT_ADAPTER *ioc = hd->ioc;
788
789 if (!vdevice || !vdevice->vtarget) {
790 SCpnt->result = DID_NO_CONNECT << 16;
791 done(SCpnt);
792 return 0;
793 }
794
795 if (SCpnt->device->channel == 1 &&
796 mptscsih_is_phys_disk(ioc, 0, SCpnt->device->id) == 0) {
797 SCpnt->result = DID_NO_CONNECT << 16;
798 done(SCpnt);
799 return 0;
800 }
801
802 if (spi_dv_pending(scsi_target(SCpnt->device)))
803 ddvprintk(ioc, scsi_print_command(SCpnt));
804
805 return mptscsih_qcmd(SCpnt,done);
806}
807
808static DEF_SCSI_QCMD(mptspi_qcmd)
809
810static void mptspi_slave_destroy(struct scsi_device *sdev)
811{
812 struct scsi_target *starget = scsi_target(sdev);
813 VirtTarget *vtarget = starget->hostdata;
814 VirtDevice *vdevice = sdev->hostdata;
815
816
817 if (vtarget->num_luns == 1 && vdevice->configured_lun) {
818 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
819
820
821 pg1.RequestedParameters = 0;
822 pg1.Reserved = 0;
823 pg1.Configuration = 0;
824
825 mptspi_write_spi_device_pg1(starget, &pg1);
826 }
827
828 mptscsih_slave_destroy(sdev);
829}
830
831static struct scsi_host_template mptspi_driver_template = {
832 .module = THIS_MODULE,
833 .proc_name = "mptspi",
834 .proc_info = mptscsih_proc_info,
835 .name = "MPT SPI Host",
836 .info = mptscsih_info,
837 .queuecommand = mptspi_qcmd,
838 .target_alloc = mptspi_target_alloc,
839 .slave_alloc = mptspi_slave_alloc,
840 .slave_configure = mptspi_slave_configure,
841 .target_destroy = mptspi_target_destroy,
842 .slave_destroy = mptspi_slave_destroy,
843 .change_queue_depth = mptscsih_change_queue_depth,
844 .eh_abort_handler = mptscsih_abort,
845 .eh_device_reset_handler = mptscsih_dev_reset,
846 .eh_bus_reset_handler = mptscsih_bus_reset,
847 .eh_host_reset_handler = mptscsih_host_reset,
848 .bios_param = mptscsih_bios_param,
849 .can_queue = MPT_SCSI_CAN_QUEUE,
850 .this_id = -1,
851 .sg_tablesize = MPT_SCSI_SG_DEPTH,
852 .max_sectors = 8192,
853 .cmd_per_lun = 7,
854 .use_clustering = ENABLE_CLUSTERING,
855 .shost_attrs = mptscsih_host_attrs,
856};
857
858static int mptspi_write_spi_device_pg1(struct scsi_target *starget,
859 struct _CONFIG_PAGE_SCSI_DEVICE_1 *pass_pg1)
860{
861 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
862 struct _MPT_SCSI_HOST *hd = shost_priv(shost);
863 struct _MPT_ADAPTER *ioc = hd->ioc;
864 struct _CONFIG_PAGE_SCSI_DEVICE_1 *pg1;
865 dma_addr_t pg1_dma;
866 int size;
867 struct _x_config_parms cfg;
868 struct _CONFIG_PAGE_HEADER hdr;
869 int err = -EBUSY;
870 u32 nego_parms;
871 u32 period;
872 struct scsi_device *sdev;
873 int i;
874
875
876 if (starget->channel == 0 &&
877 mptspi_is_raid(hd, starget->id))
878 return -1;
879
880 size = ioc->spi_data.sdp1length * 4;
881
882 pg1 = dma_alloc_coherent(&ioc->pcidev->dev, size, &pg1_dma, GFP_KERNEL);
883 if (pg1 == NULL) {
884 starget_printk(KERN_ERR, starget, MYIOC_s_FMT
885 "dma_alloc_coherent for parameters failed\n", ioc->name);
886 return -EINVAL;
887 }
888
889 memset(&hdr, 0, sizeof(hdr));
890
891 hdr.PageVersion = ioc->spi_data.sdp1version;
892 hdr.PageLength = ioc->spi_data.sdp1length;
893 hdr.PageNumber = 1;
894 hdr.PageType = MPI_CONFIG_PAGETYPE_SCSI_DEVICE;
895
896 memset(&cfg, 0, sizeof(cfg));
897
898 cfg.cfghdr.hdr = &hdr;
899 cfg.physAddr = pg1_dma;
900 cfg.action = MPI_CONFIG_ACTION_PAGE_WRITE_CURRENT;
901 cfg.dir = 1;
902 cfg.pageAddr = starget->id;
903
904 memcpy(pg1, pass_pg1, size);
905
906 pg1->Header.PageVersion = hdr.PageVersion;
907 pg1->Header.PageLength = hdr.PageLength;
908 pg1->Header.PageNumber = hdr.PageNumber;
909 pg1->Header.PageType = hdr.PageType;
910
911 nego_parms = le32_to_cpu(pg1->RequestedParameters);
912 period = (nego_parms & MPI_SCSIDEVPAGE1_RP_MIN_SYNC_PERIOD_MASK) >>
913 MPI_SCSIDEVPAGE1_RP_SHIFT_MIN_SYNC_PERIOD;
914 if (period == 8) {
915
916 for (i = 0 ; i < 16; i++) {
917 sdev = scsi_device_lookup_by_target(starget, i);
918 if (sdev && sdev->type == TYPE_TAPE) {
919 sdev_printk(KERN_DEBUG, sdev, MYIOC_s_FMT
920 "IDP:ON\n", ioc->name);
921 nego_parms |= MPI_SCSIDEVPAGE1_RP_IDP;
922 pg1->RequestedParameters =
923 cpu_to_le32(nego_parms);
924 break;
925 }
926 }
927 }
928
929 mptspi_print_write_nego(hd, starget, le32_to_cpu(pg1->RequestedParameters));
930
931 if (mpt_config(ioc, &cfg)) {
932 starget_printk(KERN_ERR, starget, MYIOC_s_FMT
933 "mpt_config failed\n", ioc->name);
934 goto out_free;
935 }
936 err = 0;
937
938 out_free:
939 dma_free_coherent(&ioc->pcidev->dev, size, pg1, pg1_dma);
940 return err;
941}
942
943static void mptspi_write_offset(struct scsi_target *starget, int offset)
944{
945 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
946 u32 nego;
947
948 if (offset < 0)
949 offset = 0;
950
951 if (offset > 255)
952 offset = 255;
953
954 if (spi_offset(starget) == -1)
955 mptspi_read_parameters(starget);
956
957 spi_offset(starget) = offset;
958
959 nego = mptspi_getRP(starget);
960
961 pg1.RequestedParameters = cpu_to_le32(nego);
962 pg1.Reserved = 0;
963 pg1.Configuration = 0;
964
965 mptspi_write_spi_device_pg1(starget, &pg1);
966}
967
968static void mptspi_write_period(struct scsi_target *starget, int period)
969{
970 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
971 u32 nego;
972
973 if (period < 8)
974 period = 8;
975
976 if (period > 255)
977 period = 255;
978
979 if (spi_period(starget) == -1)
980 mptspi_read_parameters(starget);
981
982 if (period == 8) {
983 spi_iu(starget) = 1;
984 spi_dt(starget) = 1;
985 } else if (period == 9) {
986 spi_dt(starget) = 1;
987 }
988
989 spi_period(starget) = period;
990
991 nego = mptspi_getRP(starget);
992
993 pg1.RequestedParameters = cpu_to_le32(nego);
994 pg1.Reserved = 0;
995 pg1.Configuration = 0;
996
997 mptspi_write_spi_device_pg1(starget, &pg1);
998}
999
1000static void mptspi_write_dt(struct scsi_target *starget, int dt)
1001{
1002 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
1003 u32 nego;
1004
1005 if (spi_period(starget) == -1)
1006 mptspi_read_parameters(starget);
1007
1008 if (!dt && spi_period(starget) < 10)
1009 spi_period(starget) = 10;
1010
1011 spi_dt(starget) = dt;
1012
1013 nego = mptspi_getRP(starget);
1014
1015
1016 pg1.RequestedParameters = cpu_to_le32(nego);
1017 pg1.Reserved = 0;
1018 pg1.Configuration = 0;
1019
1020 mptspi_write_spi_device_pg1(starget, &pg1);
1021}
1022
1023static void mptspi_write_iu(struct scsi_target *starget, int iu)
1024{
1025 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
1026 u32 nego;
1027
1028 if (spi_period(starget) == -1)
1029 mptspi_read_parameters(starget);
1030
1031 if (!iu && spi_period(starget) < 9)
1032 spi_period(starget) = 9;
1033
1034 spi_iu(starget) = iu;
1035
1036 nego = mptspi_getRP(starget);
1037
1038 pg1.RequestedParameters = cpu_to_le32(nego);
1039 pg1.Reserved = 0;
1040 pg1.Configuration = 0;
1041
1042 mptspi_write_spi_device_pg1(starget, &pg1);
1043}
1044
1045#define MPTSPI_SIMPLE_TRANSPORT_PARM(parm) \
1046static void mptspi_write_##parm(struct scsi_target *starget, int parm)\
1047{ \
1048 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1; \
1049 u32 nego; \
1050 \
1051 spi_##parm(starget) = parm; \
1052 \
1053 nego = mptspi_getRP(starget); \
1054 \
1055 pg1.RequestedParameters = cpu_to_le32(nego); \
1056 pg1.Reserved = 0; \
1057 pg1.Configuration = 0; \
1058 \
1059 mptspi_write_spi_device_pg1(starget, &pg1); \
1060}
1061
1062MPTSPI_SIMPLE_TRANSPORT_PARM(rd_strm)
1063MPTSPI_SIMPLE_TRANSPORT_PARM(wr_flow)
1064MPTSPI_SIMPLE_TRANSPORT_PARM(rti)
1065MPTSPI_SIMPLE_TRANSPORT_PARM(hold_mcs)
1066MPTSPI_SIMPLE_TRANSPORT_PARM(pcomp_en)
1067
1068static void mptspi_write_qas(struct scsi_target *starget, int qas)
1069{
1070 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
1071 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1072 struct _MPT_SCSI_HOST *hd = shost_priv(shost);
1073 VirtTarget *vtarget = starget->hostdata;
1074 u32 nego;
1075
1076 if ((vtarget->negoFlags & MPT_TARGET_NO_NEGO_QAS) ||
1077 hd->ioc->spi_data.noQas)
1078 spi_qas(starget) = 0;
1079 else
1080 spi_qas(starget) = qas;
1081
1082 nego = mptspi_getRP(starget);
1083
1084 pg1.RequestedParameters = cpu_to_le32(nego);
1085 pg1.Reserved = 0;
1086 pg1.Configuration = 0;
1087
1088 mptspi_write_spi_device_pg1(starget, &pg1);
1089}
1090
1091static void mptspi_write_width(struct scsi_target *starget, int width)
1092{
1093 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
1094 u32 nego;
1095
1096 if (!width) {
1097 spi_dt(starget) = 0;
1098 if (spi_period(starget) < 10)
1099 spi_period(starget) = 10;
1100 }
1101
1102 spi_width(starget) = width;
1103
1104 nego = mptspi_getRP(starget);
1105
1106 pg1.RequestedParameters = cpu_to_le32(nego);
1107 pg1.Reserved = 0;
1108 pg1.Configuration = 0;
1109
1110 mptspi_write_spi_device_pg1(starget, &pg1);
1111}
1112
1113struct work_queue_wrapper {
1114 struct work_struct work;
1115 struct _MPT_SCSI_HOST *hd;
1116 int disk;
1117};
1118
1119static void mpt_work_wrapper(struct work_struct *work)
1120{
1121 struct work_queue_wrapper *wqw =
1122 container_of(work, struct work_queue_wrapper, work);
1123 struct _MPT_SCSI_HOST *hd = wqw->hd;
1124 MPT_ADAPTER *ioc = hd->ioc;
1125 struct Scsi_Host *shost = ioc->sh;
1126 struct scsi_device *sdev;
1127 int disk = wqw->disk;
1128 struct _CONFIG_PAGE_IOC_3 *pg3;
1129
1130 kfree(wqw);
1131
1132 mpt_findImVolumes(ioc);
1133 pg3 = ioc->raid_data.pIocPg3;
1134 if (!pg3)
1135 return;
1136
1137 shost_for_each_device(sdev,shost) {
1138 struct scsi_target *starget = scsi_target(sdev);
1139 VirtTarget *vtarget = starget->hostdata;
1140
1141
1142 if (sdev->channel != 1)
1143 continue;
1144
1145
1146
1147 if(vtarget->id != disk)
1148 continue;
1149
1150 starget_printk(KERN_INFO, vtarget->starget, MYIOC_s_FMT
1151 "Integrated RAID requests DV of new device\n", ioc->name);
1152 mptspi_dv_device(hd, sdev);
1153 }
1154 shost_printk(KERN_INFO, shost, MYIOC_s_FMT
1155 "Integrated RAID detects new device %d\n", ioc->name, disk);
1156 scsi_scan_target(&ioc->sh->shost_gendev, 1, disk, 0, 1);
1157}
1158
1159
1160static void mpt_dv_raid(struct _MPT_SCSI_HOST *hd, int disk)
1161{
1162 struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC);
1163 MPT_ADAPTER *ioc = hd->ioc;
1164
1165 if (!wqw) {
1166 shost_printk(KERN_ERR, ioc->sh, MYIOC_s_FMT
1167 "Failed to act on RAID event for physical disk %d\n",
1168 ioc->name, disk);
1169 return;
1170 }
1171 INIT_WORK(&wqw->work, mpt_work_wrapper);
1172 wqw->hd = hd;
1173 wqw->disk = disk;
1174
1175 schedule_work(&wqw->work);
1176}
1177
1178static int
1179mptspi_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
1180{
1181 u8 event = le32_to_cpu(pEvReply->Event) & 0xFF;
1182 struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1183
1184 if (ioc->bus_type != SPI)
1185 return 0;
1186
1187 if (hd && event == MPI_EVENT_INTEGRATED_RAID) {
1188 int reason
1189 = (le32_to_cpu(pEvReply->Data[0]) & 0x00FF0000) >> 16;
1190
1191 if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
1192 int disk = (le32_to_cpu(pEvReply->Data[0]) & 0xFF000000) >> 24;
1193 mpt_dv_raid(hd, disk);
1194 }
1195 }
1196 return mptscsih_event_process(ioc, pEvReply);
1197}
1198
1199static int
1200mptspi_deny_binding(struct scsi_target *starget)
1201{
1202 struct _MPT_SCSI_HOST *hd =
1203 (struct _MPT_SCSI_HOST *)dev_to_shost(starget->dev.parent)->hostdata;
1204 return ((mptspi_is_raid(hd, starget->id)) &&
1205 starget->channel == 0) ? 1 : 0;
1206}
1207
1208static struct spi_function_template mptspi_transport_functions = {
1209 .get_offset = mptspi_read_parameters,
1210 .set_offset = mptspi_write_offset,
1211 .show_offset = 1,
1212 .get_period = mptspi_read_parameters,
1213 .set_period = mptspi_write_period,
1214 .show_period = 1,
1215 .get_width = mptspi_read_parameters,
1216 .set_width = mptspi_write_width,
1217 .show_width = 1,
1218 .get_iu = mptspi_read_parameters,
1219 .set_iu = mptspi_write_iu,
1220 .show_iu = 1,
1221 .get_dt = mptspi_read_parameters,
1222 .set_dt = mptspi_write_dt,
1223 .show_dt = 1,
1224 .get_qas = mptspi_read_parameters,
1225 .set_qas = mptspi_write_qas,
1226 .show_qas = 1,
1227 .get_wr_flow = mptspi_read_parameters,
1228 .set_wr_flow = mptspi_write_wr_flow,
1229 .show_wr_flow = 1,
1230 .get_rd_strm = mptspi_read_parameters,
1231 .set_rd_strm = mptspi_write_rd_strm,
1232 .show_rd_strm = 1,
1233 .get_rti = mptspi_read_parameters,
1234 .set_rti = mptspi_write_rti,
1235 .show_rti = 1,
1236 .get_pcomp_en = mptspi_read_parameters,
1237 .set_pcomp_en = mptspi_write_pcomp_en,
1238 .show_pcomp_en = 1,
1239 .get_hold_mcs = mptspi_read_parameters,
1240 .set_hold_mcs = mptspi_write_hold_mcs,
1241 .show_hold_mcs = 1,
1242 .deny_binding = mptspi_deny_binding,
1243};
1244
1245
1246
1247
1248
1249static struct pci_device_id mptspi_pci_table[] = {
1250 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1030,
1251 PCI_ANY_ID, PCI_ANY_ID },
1252 { PCI_VENDOR_ID_ATTO, MPI_MANUFACTPAGE_DEVID_53C1030,
1253 PCI_ANY_ID, PCI_ANY_ID },
1254 { PCI_VENDOR_ID_LSI_LOGIC, MPI_MANUFACTPAGE_DEVID_53C1035,
1255 PCI_ANY_ID, PCI_ANY_ID },
1256 {0}
1257};
1258MODULE_DEVICE_TABLE(pci, mptspi_pci_table);
1259
1260
1261
1262
1263
1264static void
1265mptspi_dv_renegotiate_work(struct work_struct *work)
1266{
1267 struct work_queue_wrapper *wqw =
1268 container_of(work, struct work_queue_wrapper, work);
1269 struct _MPT_SCSI_HOST *hd = wqw->hd;
1270 struct scsi_device *sdev;
1271 struct scsi_target *starget;
1272 struct _CONFIG_PAGE_SCSI_DEVICE_1 pg1;
1273 u32 nego;
1274 MPT_ADAPTER *ioc = hd->ioc;
1275
1276 kfree(wqw);
1277
1278 if (hd->spi_pending) {
1279 shost_for_each_device(sdev, ioc->sh) {
1280 if (hd->spi_pending & (1 << sdev->id))
1281 continue;
1282 starget = scsi_target(sdev);
1283 nego = mptspi_getRP(starget);
1284 pg1.RequestedParameters = cpu_to_le32(nego);
1285 pg1.Reserved = 0;
1286 pg1.Configuration = 0;
1287 mptspi_write_spi_device_pg1(starget, &pg1);
1288 }
1289 } else {
1290 shost_for_each_device(sdev, ioc->sh)
1291 mptspi_dv_device(hd, sdev);
1292 }
1293}
1294
1295static void
1296mptspi_dv_renegotiate(struct _MPT_SCSI_HOST *hd)
1297{
1298 struct work_queue_wrapper *wqw = kmalloc(sizeof(*wqw), GFP_ATOMIC);
1299
1300 if (!wqw)
1301 return;
1302
1303 INIT_WORK(&wqw->work, mptspi_dv_renegotiate_work);
1304 wqw->hd = hd;
1305
1306 schedule_work(&wqw->work);
1307}
1308
1309
1310
1311
1312static int
1313mptspi_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
1314{
1315 int rc;
1316
1317 rc = mptscsih_ioc_reset(ioc, reset_phase);
1318 if ((ioc->bus_type != SPI) || (!rc))
1319 return rc;
1320
1321
1322
1323 if (reset_phase == MPT_IOC_POST_RESET &&
1324 ioc->sh) {
1325 struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1326
1327 mptspi_dv_renegotiate(hd);
1328 }
1329
1330 return rc;
1331}
1332
1333#ifdef CONFIG_PM
1334
1335
1336
1337static int
1338mptspi_resume(struct pci_dev *pdev)
1339{
1340 MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
1341 struct _MPT_SCSI_HOST *hd = shost_priv(ioc->sh);
1342 int rc;
1343
1344 rc = mptscsih_resume(pdev);
1345 mptspi_dv_renegotiate(hd);
1346
1347 return rc;
1348}
1349#endif
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360static int
1361mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
1362{
1363 struct Scsi_Host *sh;
1364 MPT_SCSI_HOST *hd;
1365 MPT_ADAPTER *ioc;
1366 unsigned long flags;
1367 int ii;
1368 int numSGE = 0;
1369 int scale;
1370 int ioc_cap;
1371 int error=0;
1372 int r;
1373
1374 if ((r = mpt_attach(pdev,id)) != 0)
1375 return r;
1376
1377 ioc = pci_get_drvdata(pdev);
1378 ioc->DoneCtx = mptspiDoneCtx;
1379 ioc->TaskCtx = mptspiTaskCtx;
1380 ioc->InternalCtx = mptspiInternalCtx;
1381
1382
1383
1384 if (ioc->last_state != MPI_IOC_STATE_OPERATIONAL) {
1385 printk(MYIOC_s_WARN_FMT
1386 "Skipping because it's not operational!\n",
1387 ioc->name);
1388 error = -ENODEV;
1389 goto out_mptspi_probe;
1390 }
1391
1392 if (!ioc->active) {
1393 printk(MYIOC_s_WARN_FMT "Skipping because it's disabled!\n",
1394 ioc->name);
1395 error = -ENODEV;
1396 goto out_mptspi_probe;
1397 }
1398
1399
1400
1401 ioc_cap = 0;
1402 for (ii=0; ii < ioc->facts.NumberOfPorts; ii++) {
1403 if (ioc->pfacts[ii].ProtocolFlags &
1404 MPI_PORTFACTS_PROTOCOL_INITIATOR)
1405 ioc_cap ++;
1406 }
1407
1408 if (!ioc_cap) {
1409 printk(MYIOC_s_WARN_FMT
1410 "Skipping ioc=%p because SCSI Initiator mode is NOT enabled!\n",
1411 ioc->name, ioc);
1412 return 0;
1413 }
1414
1415 sh = scsi_host_alloc(&mptspi_driver_template, sizeof(MPT_SCSI_HOST));
1416
1417 if (!sh) {
1418 printk(MYIOC_s_WARN_FMT
1419 "Unable to register controller with SCSI subsystem\n",
1420 ioc->name);
1421 error = -1;
1422 goto out_mptspi_probe;
1423 }
1424
1425 spin_lock_irqsave(&ioc->FreeQlock, flags);
1426
1427
1428
1429 ioc->sh = sh;
1430
1431 sh->io_port = 0;
1432 sh->n_io_port = 0;
1433 sh->irq = 0;
1434
1435
1436 sh->max_cmd_len = 16;
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448 sh->max_id = ioc->devices_per_bus;
1449
1450 sh->max_lun = MPT_LAST_LUN + 1;
1451
1452
1453
1454 if (ioc->ir_firmware)
1455 sh->max_channel = 1;
1456 else
1457 sh->max_channel = 0;
1458 sh->this_id = ioc->pfacts[0].PortSCSIID;
1459
1460
1461
1462 sh->unique_id = ioc->id;
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473 scale = ioc->req_sz/ioc->SGE_size;
1474 if (ioc->sg_addr_size == sizeof(u64)) {
1475 numSGE = (scale - 1) *
1476 (ioc->facts.MaxChainDepth-1) + scale +
1477 (ioc->req_sz - 60) / ioc->SGE_size;
1478 } else {
1479 numSGE = 1 + (scale - 1) *
1480 (ioc->facts.MaxChainDepth-1) + scale +
1481 (ioc->req_sz - 64) / ioc->SGE_size;
1482 }
1483
1484 if (numSGE < sh->sg_tablesize) {
1485
1486 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1487 "Resetting sg_tablesize to %d from %d\n",
1488 ioc->name, numSGE, sh->sg_tablesize));
1489 sh->sg_tablesize = numSGE;
1490 }
1491
1492 spin_unlock_irqrestore(&ioc->FreeQlock, flags);
1493
1494 hd = shost_priv(sh);
1495 hd->ioc = ioc;
1496
1497
1498
1499
1500 ioc->ScsiLookup = kcalloc(ioc->req_depth, sizeof(void *), GFP_ATOMIC);
1501 if (!ioc->ScsiLookup) {
1502 error = -ENOMEM;
1503 goto out_mptspi_probe;
1504 }
1505 spin_lock_init(&ioc->scsi_lookup_lock);
1506
1507 dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ScsiLookup @ %p\n",
1508 ioc->name, ioc->ScsiLookup));
1509
1510 ioc->spi_data.Saf_Te = mpt_saf_te;
1511 ddvprintk(ioc, printk(MYIOC_s_DEBUG_FMT
1512 "saf_te %x\n",
1513 ioc->name,
1514 mpt_saf_te));
1515 ioc->spi_data.noQas = 0;
1516
1517 hd->last_queue_full = 0;
1518 hd->spi_pending = 0;
1519
1520
1521
1522 if (ioc->spi_data.sdp0length != 0)
1523 sh->transportt = mptspi_transport_template;
1524
1525 error = scsi_add_host (sh, &ioc->pcidev->dev);
1526 if(error) {
1527 dprintk(ioc, printk(MYIOC_s_ERR_FMT
1528 "scsi_add_host failed\n", ioc->name));
1529 goto out_mptspi_probe;
1530 }
1531
1532
1533
1534
1535 if (ioc->spi_data.bus_reset)
1536 mptscsih_IssueTaskMgmt(hd,
1537 MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
1538 0, 0, 0, 0, 5);
1539
1540 scsi_scan_host(sh);
1541 return 0;
1542
1543out_mptspi_probe:
1544
1545 mptscsih_remove(pdev);
1546 return error;
1547}
1548
1549static struct pci_driver mptspi_driver = {
1550 .name = "mptspi",
1551 .id_table = mptspi_pci_table,
1552 .probe = mptspi_probe,
1553 .remove = __devexit_p(mptscsih_remove),
1554 .shutdown = mptscsih_shutdown,
1555#ifdef CONFIG_PM
1556 .suspend = mptscsih_suspend,
1557 .resume = mptspi_resume,
1558#endif
1559};
1560
1561
1562
1563
1564
1565
1566
1567static int __init
1568mptspi_init(void)
1569{
1570 int error;
1571
1572 show_mptmod_ver(my_NAME, my_VERSION);
1573
1574 mptspi_transport_template = spi_attach_transport(&mptspi_transport_functions);
1575 if (!mptspi_transport_template)
1576 return -ENODEV;
1577
1578 mptspiDoneCtx = mpt_register(mptscsih_io_done, MPTSPI_DRIVER,
1579 "mptscsih_io_done");
1580 mptspiTaskCtx = mpt_register(mptscsih_taskmgmt_complete, MPTSPI_DRIVER,
1581 "mptscsih_taskmgmt_complete");
1582 mptspiInternalCtx = mpt_register(mptscsih_scandv_complete,
1583 MPTSPI_DRIVER, "mptscsih_scandv_complete");
1584
1585 mpt_event_register(mptspiDoneCtx, mptspi_event_process);
1586 mpt_reset_register(mptspiDoneCtx, mptspi_ioc_reset);
1587
1588 error = pci_register_driver(&mptspi_driver);
1589 if (error)
1590 spi_release_transport(mptspi_transport_template);
1591
1592 return error;
1593}
1594
1595
1596
1597
1598
1599
1600static void __exit
1601mptspi_exit(void)
1602{
1603 pci_unregister_driver(&mptspi_driver);
1604
1605 mpt_reset_deregister(mptspiDoneCtx);
1606 mpt_event_deregister(mptspiDoneCtx);
1607
1608 mpt_deregister(mptspiInternalCtx);
1609 mpt_deregister(mptspiTaskCtx);
1610 mpt_deregister(mptspiDoneCtx);
1611 spi_release_transport(mptspi_transport_template);
1612}
1613
1614module_init(mptspi_init);
1615module_exit(mptspi_exit);
1616