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45#include <linux/kernel.h>
46#include <linux/module.h>
47#include <linux/errno.h>
48#include <linux/init.h>
49#include <linux/slab.h>
50#include <linux/types.h>
51#include <linux/pci.h>
52#include <linux/delay.h>
53#include <linux/mutex.h>
54#include <linux/compat.h>
55#include <linux/poll.h>
56
57#include <linux/io.h>
58#include <linux/uaccess.h>
59
60#include "mpt2sas_base.h"
61#include "mpt2sas_ctl.h"
62
63static DEFINE_MUTEX(_ctl_mutex);
64static struct fasync_struct *async_queue;
65static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait);
66
67static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type,
68 u8 *issue_reset);
69
70
71
72
73
74
75
76
77
78enum block_state {
79 NON_BLOCKING,
80 BLOCKING,
81};
82
83#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
84
85
86
87
88
89
90
91
92
93static struct _sas_device *
94_ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
95{
96 struct _sas_device *sas_device, *r;
97
98 r = NULL;
99 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
100 if (sas_device->handle != handle)
101 continue;
102 r = sas_device;
103 goto out;
104 }
105
106 out:
107 return r;
108}
109
110
111
112
113
114
115
116
117
118
119
120
121static void
122_ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
123 char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
124{
125 Mpi2ConfigRequest_t *mpi_request;
126 char *desc = NULL;
127
128 if (!(ioc->logging_level & MPT_DEBUG_IOCTL))
129 return;
130
131 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
132 switch (mpi_request->Function) {
133 case MPI2_FUNCTION_SCSI_IO_REQUEST:
134 {
135 Mpi2SCSIIORequest_t *scsi_request =
136 (Mpi2SCSIIORequest_t *)mpi_request;
137
138 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
139 "scsi_io, cmd(0x%02x), cdb_len(%d)",
140 scsi_request->CDB.CDB32[0],
141 le16_to_cpu(scsi_request->IoFlags) & 0xF);
142 desc = ioc->tmp_string;
143 break;
144 }
145 case MPI2_FUNCTION_SCSI_TASK_MGMT:
146 desc = "task_mgmt";
147 break;
148 case MPI2_FUNCTION_IOC_INIT:
149 desc = "ioc_init";
150 break;
151 case MPI2_FUNCTION_IOC_FACTS:
152 desc = "ioc_facts";
153 break;
154 case MPI2_FUNCTION_CONFIG:
155 {
156 Mpi2ConfigRequest_t *config_request =
157 (Mpi2ConfigRequest_t *)mpi_request;
158
159 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
160 "config, type(0x%02x), ext_type(0x%02x), number(%d)",
161 (config_request->Header.PageType &
162 MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType,
163 config_request->Header.PageNumber);
164 desc = ioc->tmp_string;
165 break;
166 }
167 case MPI2_FUNCTION_PORT_FACTS:
168 desc = "port_facts";
169 break;
170 case MPI2_FUNCTION_PORT_ENABLE:
171 desc = "port_enable";
172 break;
173 case MPI2_FUNCTION_EVENT_NOTIFICATION:
174 desc = "event_notification";
175 break;
176 case MPI2_FUNCTION_FW_DOWNLOAD:
177 desc = "fw_download";
178 break;
179 case MPI2_FUNCTION_FW_UPLOAD:
180 desc = "fw_upload";
181 break;
182 case MPI2_FUNCTION_RAID_ACTION:
183 desc = "raid_action";
184 break;
185 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
186 {
187 Mpi2SCSIIORequest_t *scsi_request =
188 (Mpi2SCSIIORequest_t *)mpi_request;
189
190 snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
191 "raid_pass, cmd(0x%02x), cdb_len(%d)",
192 scsi_request->CDB.CDB32[0],
193 le16_to_cpu(scsi_request->IoFlags) & 0xF);
194 desc = ioc->tmp_string;
195 break;
196 }
197 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
198 desc = "sas_iounit_cntl";
199 break;
200 case MPI2_FUNCTION_SATA_PASSTHROUGH:
201 desc = "sata_pass";
202 break;
203 case MPI2_FUNCTION_DIAG_BUFFER_POST:
204 desc = "diag_buffer_post";
205 break;
206 case MPI2_FUNCTION_DIAG_RELEASE:
207 desc = "diag_release";
208 break;
209 case MPI2_FUNCTION_SMP_PASSTHROUGH:
210 desc = "smp_passthrough";
211 break;
212 }
213
214 if (!desc)
215 return;
216
217 printk(MPT2SAS_INFO_FMT "%s: %s, smid(%d)\n",
218 ioc->name, calling_function_name, desc, smid);
219
220 if (!mpi_reply)
221 return;
222
223 if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
224 printk(MPT2SAS_INFO_FMT
225 "\tiocstatus(0x%04x), loginfo(0x%08x)\n",
226 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
227 le32_to_cpu(mpi_reply->IOCLogInfo));
228
229 if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
230 mpi_request->Function ==
231 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
232 Mpi2SCSIIOReply_t *scsi_reply =
233 (Mpi2SCSIIOReply_t *)mpi_reply;
234 struct _sas_device *sas_device = NULL;
235 unsigned long flags;
236
237 spin_lock_irqsave(&ioc->sas_device_lock, flags);
238 sas_device = _ctl_sas_device_find_by_handle(ioc,
239 le16_to_cpu(scsi_reply->DevHandle));
240 if (sas_device) {
241 printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
242 "phy(%d)\n", ioc->name, (unsigned long long)
243 sas_device->sas_address, sas_device->phy);
244 printk(MPT2SAS_WARN_FMT
245 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
246 ioc->name, sas_device->enclosure_logical_id,
247 sas_device->slot);
248 }
249 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
250 if (scsi_reply->SCSIState || scsi_reply->SCSIStatus)
251 printk(MPT2SAS_INFO_FMT
252 "\tscsi_state(0x%02x), scsi_status"
253 "(0x%02x)\n", ioc->name,
254 scsi_reply->SCSIState,
255 scsi_reply->SCSIStatus);
256 }
257}
258#endif
259
260
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262
263
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267
268
269
270
271
272
273u8
274mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
275 u32 reply)
276{
277 MPI2DefaultReply_t *mpi_reply;
278 Mpi2SCSIIOReply_t *scsiio_reply;
279 const void *sense_data;
280 u32 sz;
281
282 if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED)
283 return 1;
284 if (ioc->ctl_cmds.smid != smid)
285 return 1;
286 ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE;
287 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
288 if (mpi_reply) {
289 memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
290 ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID;
291
292 if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
293 mpi_reply->Function ==
294 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
295 scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply;
296 if (scsiio_reply->SCSIState &
297 MPI2_SCSI_STATE_AUTOSENSE_VALID) {
298 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
299 le32_to_cpu(scsiio_reply->SenseCount));
300 sense_data = mpt2sas_base_get_sense_buffer(ioc,
301 smid);
302 memcpy(ioc->ctl_cmds.sense, sense_data, sz);
303 }
304 }
305 }
306#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
307 _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply);
308#endif
309 ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING;
310 complete(&ioc->ctl_cmds.done);
311 return 1;
312}
313
314
315
316
317
318
319
320
321
322
323
324static int
325_ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event)
326{
327 u16 i;
328 u32 desired_event;
329
330 if (event >= 128 || !event || !ioc->event_log)
331 return 0;
332
333 desired_event = (1 << (event % 32));
334 if (!desired_event)
335 desired_event = 1;
336 i = event / 32;
337 return desired_event & ioc->event_type[i];
338}
339
340
341
342
343
344
345
346
347void
348mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
349 Mpi2EventNotificationReply_t *mpi_reply)
350{
351 struct MPT2_IOCTL_EVENTS *event_log;
352 u16 event;
353 int i;
354 u32 sz, event_data_sz;
355 u8 send_aen = 0;
356
357 if (!ioc->event_log)
358 return;
359
360 event = le16_to_cpu(mpi_reply->Event);
361
362 if (_ctl_check_event_type(ioc, event)) {
363
364
365 i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE;
366 event_log = ioc->event_log;
367 event_log[i].event = event;
368 event_log[i].context = ioc->event_context++;
369
370 event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4;
371 sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE);
372 memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE);
373 memcpy(event_log[i].data, mpi_reply->EventData, sz);
374 send_aen = 1;
375 }
376
377
378
379
380
381 if (event == MPI2_EVENT_LOG_ENTRY_ADDED ||
382 (send_aen && !ioc->aen_event_read_flag)) {
383 ioc->aen_event_read_flag = 1;
384 wake_up_interruptible(&ctl_poll_wait);
385 if (async_queue)
386 kill_fasync(&async_queue, SIGIO, POLL_IN);
387 }
388}
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403u8
404mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
405 u32 reply)
406{
407 Mpi2EventNotificationReply_t *mpi_reply;
408
409 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
410 mpt2sas_ctl_add_to_event_log(ioc, mpi_reply);
411 return 1;
412}
413
414
415
416
417
418
419
420
421static int
422_ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp)
423{
424 struct MPT2SAS_ADAPTER *ioc;
425
426 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
427 if (ioc->id != ioc_number)
428 continue;
429 *iocpp = ioc;
430 return ioc_number;
431 }
432 *iocpp = NULL;
433 return -1;
434}
435
436
437
438
439
440
441
442
443
444
445
446void
447mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
448{
449 int i;
450 u8 issue_reset;
451
452 switch (reset_phase) {
453 case MPT2_IOC_PRE_RESET:
454 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
455 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
456 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
457 if (!(ioc->diag_buffer_status[i] &
458 MPT2_DIAG_BUFFER_IS_REGISTERED))
459 continue;
460 if ((ioc->diag_buffer_status[i] &
461 MPT2_DIAG_BUFFER_IS_RELEASED))
462 continue;
463 _ctl_send_release(ioc, i, &issue_reset);
464 }
465 break;
466 case MPT2_IOC_AFTER_RESET:
467 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
468 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
469 if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) {
470 ioc->ctl_cmds.status |= MPT2_CMD_RESET;
471 mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid);
472 complete(&ioc->ctl_cmds.done);
473 }
474 break;
475 case MPT2_IOC_DONE_RESET:
476 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
477 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
478
479 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
480 if (!(ioc->diag_buffer_status[i] &
481 MPT2_DIAG_BUFFER_IS_REGISTERED))
482 continue;
483 if ((ioc->diag_buffer_status[i] &
484 MPT2_DIAG_BUFFER_IS_RELEASED))
485 continue;
486 ioc->diag_buffer_status[i] |=
487 MPT2_DIAG_BUFFER_IS_DIAG_RESET;
488 }
489 break;
490 }
491}
492
493
494
495
496
497
498
499
500
501static int
502_ctl_fasync(int fd, struct file *filep, int mode)
503{
504 return fasync_helper(fd, filep, mode, &async_queue);
505}
506
507
508
509
510
511
512
513static unsigned int
514_ctl_poll(struct file *filep, poll_table *wait)
515{
516 struct MPT2SAS_ADAPTER *ioc;
517
518 poll_wait(filep, &ctl_poll_wait, wait);
519
520 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
521 if (ioc->aen_event_read_flag)
522 return POLLIN | POLLRDNORM;
523 }
524 return 0;
525}
526
527
528
529
530
531
532
533
534
535
536static int
537_ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg,
538 Mpi2SCSITaskManagementRequest_t *tm_request)
539{
540 u8 found = 0;
541 u16 i;
542 u16 handle;
543 struct scsi_cmnd *scmd;
544 struct MPT2SAS_DEVICE *priv_data;
545 unsigned long flags;
546 Mpi2SCSITaskManagementReply_t *tm_reply;
547 u32 sz;
548 u32 lun;
549 char *desc = NULL;
550
551 if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
552 desc = "abort_task";
553 else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK)
554 desc = "query_task";
555 else
556 return 0;
557
558 lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN);
559
560 handle = le16_to_cpu(tm_request->DevHandle);
561 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
562 for (i = ioc->scsiio_depth; i && !found; i--) {
563 scmd = ioc->scsi_lookup[i - 1].scmd;
564 if (scmd == NULL || scmd->device == NULL ||
565 scmd->device->hostdata == NULL)
566 continue;
567 if (lun != scmd->device->lun)
568 continue;
569 priv_data = scmd->device->hostdata;
570 if (priv_data->sas_target == NULL)
571 continue;
572 if (priv_data->sas_target->handle != handle)
573 continue;
574 tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid);
575 found = 1;
576 }
577 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
578
579 if (!found) {
580 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
581 "handle(0x%04x), lun(%d), no active mid!!\n", ioc->name,
582 desc, le16_to_cpu(tm_request->DevHandle), lun));
583 tm_reply = ioc->ctl_cmds.reply;
584 tm_reply->DevHandle = tm_request->DevHandle;
585 tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
586 tm_reply->TaskType = tm_request->TaskType;
587 tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4;
588 tm_reply->VP_ID = tm_request->VP_ID;
589 tm_reply->VF_ID = tm_request->VF_ID;
590 sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz);
591 if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply,
592 sz))
593 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
594 __LINE__, __func__);
595 return 1;
596 }
597
598 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
599 "handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name,
600 desc, le16_to_cpu(tm_request->DevHandle), lun,
601 le16_to_cpu(tm_request->TaskMID)));
602 return 0;
603}
604
605
606
607
608
609
610
611static long
612_ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command karg,
613 void __user *mf)
614{
615 MPI2RequestHeader_t *mpi_request = NULL, *request;
616 MPI2DefaultReply_t *mpi_reply;
617 u32 ioc_state;
618 u16 ioc_status;
619 u16 smid;
620 unsigned long timeout, timeleft;
621 u8 issue_reset;
622 u32 sz;
623 void *psge;
624 void *data_out = NULL;
625 dma_addr_t data_out_dma;
626 size_t data_out_sz = 0;
627 void *data_in = NULL;
628 dma_addr_t data_in_dma;
629 size_t data_in_sz = 0;
630 u32 sgl_flags;
631 long ret;
632 u16 wait_state_count;
633
634 issue_reset = 0;
635
636 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
637 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
638 ioc->name, __func__);
639 ret = -EAGAIN;
640 goto out;
641 }
642
643 wait_state_count = 0;
644 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
645 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
646 if (wait_state_count++ == 10) {
647 printk(MPT2SAS_ERR_FMT
648 "%s: failed due to ioc not operational\n",
649 ioc->name, __func__);
650 ret = -EFAULT;
651 goto out;
652 }
653 ssleep(1);
654 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
655 printk(MPT2SAS_INFO_FMT "%s: waiting for "
656 "operational state(count=%d)\n", ioc->name,
657 __func__, wait_state_count);
658 }
659 if (wait_state_count)
660 printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
661 ioc->name, __func__);
662
663 mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL);
664 if (!mpi_request) {
665 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for "
666 "mpi_request\n", ioc->name, __func__);
667 ret = -ENOMEM;
668 goto out;
669 }
670
671
672 if (karg.data_sge_offset * 4 > ioc->request_sz ||
673 karg.data_sge_offset > (UINT_MAX / 4)) {
674 ret = -EINVAL;
675 goto out;
676 }
677
678
679 if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) {
680 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__,
681 __func__);
682 ret = -EFAULT;
683 goto out;
684 }
685
686 if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
687 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx);
688 if (!smid) {
689 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
690 ioc->name, __func__);
691 ret = -EAGAIN;
692 goto out;
693 }
694 } else {
695
696 smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL);
697 if (!smid) {
698 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
699 ioc->name, __func__);
700 ret = -EAGAIN;
701 goto out;
702 }
703 }
704
705 ret = 0;
706 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
707 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
708 request = mpt2sas_base_get_msg_frame(ioc, smid);
709 memcpy(request, mpi_request, karg.data_sge_offset*4);
710 ioc->ctl_cmds.smid = smid;
711 data_out_sz = karg.data_out_size;
712 data_in_sz = karg.data_in_size;
713
714 if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
715 mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
716 if (!le16_to_cpu(mpi_request->FunctionDependent1) ||
717 le16_to_cpu(mpi_request->FunctionDependent1) >
718 ioc->facts.MaxDevHandle) {
719 ret = -EINVAL;
720 mpt2sas_base_free_smid(ioc, smid);
721 goto out;
722 }
723 }
724
725
726 if (data_out_sz) {
727 data_out = pci_alloc_consistent(ioc->pdev, data_out_sz,
728 &data_out_dma);
729 if (!data_out) {
730 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
731 __LINE__, __func__);
732 ret = -ENOMEM;
733 mpt2sas_base_free_smid(ioc, smid);
734 goto out;
735 }
736 if (copy_from_user(data_out, karg.data_out_buf_ptr,
737 data_out_sz)) {
738 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
739 __LINE__, __func__);
740 ret = -EFAULT;
741 mpt2sas_base_free_smid(ioc, smid);
742 goto out;
743 }
744 }
745
746 if (data_in_sz) {
747 data_in = pci_alloc_consistent(ioc->pdev, data_in_sz,
748 &data_in_dma);
749 if (!data_in) {
750 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
751 __LINE__, __func__);
752 ret = -ENOMEM;
753 mpt2sas_base_free_smid(ioc, smid);
754 goto out;
755 }
756 }
757
758
759 psge = (void *)request + (karg.data_sge_offset*4);
760
761 if (!data_out_sz && !data_in_sz) {
762 mpt2sas_base_build_zero_len_sge(ioc, psge);
763 } else if (data_out_sz && data_in_sz) {
764
765 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
766 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
767 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
768 ioc->base_add_sg_single(psge, sgl_flags |
769 data_out_sz, data_out_dma);
770
771
772 psge += ioc->sge_size;
773
774
775 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
776 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
777 MPI2_SGE_FLAGS_END_OF_LIST);
778 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
779 ioc->base_add_sg_single(psge, sgl_flags |
780 data_in_sz, data_in_dma);
781 } else if (data_out_sz) {
782 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
783 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
784 MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC);
785 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
786 ioc->base_add_sg_single(psge, sgl_flags |
787 data_out_sz, data_out_dma);
788 } else if (data_in_sz) {
789 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
790 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
791 MPI2_SGE_FLAGS_END_OF_LIST);
792 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
793 ioc->base_add_sg_single(psge, sgl_flags |
794 data_in_sz, data_in_dma);
795 }
796
797
798#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
799 _ctl_display_some_debug(ioc, smid, "ctl_request", NULL);
800#endif
801
802 init_completion(&ioc->ctl_cmds.done);
803 switch (mpi_request->Function) {
804 case MPI2_FUNCTION_SCSI_IO_REQUEST:
805 case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
806 {
807 Mpi2SCSIIORequest_t *scsiio_request =
808 (Mpi2SCSIIORequest_t *)request;
809 scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
810 scsiio_request->SenseBufferLowAddress =
811 mpt2sas_base_get_sense_buffer_dma(ioc, smid);
812 memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE);
813 if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)
814 mpt2sas_base_put_smid_scsi_io(ioc, smid,
815 le16_to_cpu(mpi_request->FunctionDependent1));
816 else
817 mpt2sas_base_put_smid_default(ioc, smid);
818 break;
819 }
820 case MPI2_FUNCTION_SCSI_TASK_MGMT:
821 {
822 Mpi2SCSITaskManagementRequest_t *tm_request =
823 (Mpi2SCSITaskManagementRequest_t *)request;
824
825 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: "
826 "handle(0x%04x), task_type(0x%02x)\n", ioc->name,
827 le16_to_cpu(tm_request->DevHandle), tm_request->TaskType));
828
829 if (tm_request->TaskType ==
830 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
831 tm_request->TaskType ==
832 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) {
833 if (_ctl_set_task_mid(ioc, &karg, tm_request)) {
834 mpt2sas_base_free_smid(ioc, smid);
835 goto out;
836 }
837 }
838
839 mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu(
840 tm_request->DevHandle));
841 mpt2sas_base_put_smid_hi_priority(ioc, smid);
842 break;
843 }
844 case MPI2_FUNCTION_SMP_PASSTHROUGH:
845 {
846 Mpi2SmpPassthroughRequest_t *smp_request =
847 (Mpi2SmpPassthroughRequest_t *)mpi_request;
848 u8 *data;
849
850
851 smp_request->PhysicalPort = 0xFF;
852 if (smp_request->PassthroughFlags &
853 MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE)
854 data = (u8 *)&smp_request->SGL;
855 else {
856 if (unlikely(data_out == NULL)) {
857 printk(KERN_ERR "failure at %s:%d/%s()!\n",
858 __FILE__, __LINE__, __func__);
859 mpt2sas_base_free_smid(ioc, smid);
860 ret = -EINVAL;
861 goto out;
862 }
863 data = data_out;
864 }
865
866 if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) {
867 ioc->ioc_link_reset_in_progress = 1;
868 ioc->ignore_loginfos = 1;
869 }
870 mpt2sas_base_put_smid_default(ioc, smid);
871 break;
872 }
873 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
874 {
875 Mpi2SasIoUnitControlRequest_t *sasiounit_request =
876 (Mpi2SasIoUnitControlRequest_t *)mpi_request;
877
878 if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET
879 || sasiounit_request->Operation ==
880 MPI2_SAS_OP_PHY_LINK_RESET) {
881 ioc->ioc_link_reset_in_progress = 1;
882 ioc->ignore_loginfos = 1;
883 }
884 mpt2sas_base_put_smid_default(ioc, smid);
885 break;
886 }
887 default:
888 mpt2sas_base_put_smid_default(ioc, smid);
889 break;
890 }
891
892 if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT)
893 timeout = MPT2_IOCTL_DEFAULT_TIMEOUT;
894 else
895 timeout = karg.timeout;
896 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
897 timeout*HZ);
898 if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
899 Mpi2SCSITaskManagementRequest_t *tm_request =
900 (Mpi2SCSITaskManagementRequest_t *)mpi_request;
901 mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu(
902 tm_request->DevHandle));
903 } else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH ||
904 mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) &&
905 ioc->ioc_link_reset_in_progress) {
906 ioc->ioc_link_reset_in_progress = 0;
907 ioc->ignore_loginfos = 0;
908 }
909 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
910 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
911 __func__);
912 _debug_dump_mf(mpi_request, karg.data_sge_offset);
913 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
914 issue_reset = 1;
915 goto issue_host_reset;
916 }
917
918 mpi_reply = ioc->ctl_cmds.reply;
919 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
920
921#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
922 if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT &&
923 (ioc->logging_level & MPT_DEBUG_TM)) {
924 Mpi2SCSITaskManagementReply_t *tm_reply =
925 (Mpi2SCSITaskManagementReply_t *)mpi_reply;
926
927 printk(MPT2SAS_INFO_FMT "TASK_MGMT: "
928 "IOCStatus(0x%04x), IOCLogInfo(0x%08x), "
929 "TerminationCount(0x%08x)\n", ioc->name,
930 le16_to_cpu(tm_reply->IOCStatus),
931 le32_to_cpu(tm_reply->IOCLogInfo),
932 le32_to_cpu(tm_reply->TerminationCount));
933 }
934#endif
935
936 if (data_in_sz) {
937 if (copy_to_user(karg.data_in_buf_ptr, data_in,
938 data_in_sz)) {
939 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
940 __LINE__, __func__);
941 ret = -ENODATA;
942 goto out;
943 }
944 }
945
946
947 if (karg.max_reply_bytes) {
948 sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz);
949 if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply,
950 sz)) {
951 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
952 __LINE__, __func__);
953 ret = -ENODATA;
954 goto out;
955 }
956 }
957
958
959 if (karg.max_sense_bytes && (mpi_request->Function ==
960 MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function ==
961 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
962 sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE);
963 if (copy_to_user(karg.sense_data_ptr,
964 ioc->ctl_cmds.sense, sz)) {
965 printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
966 __LINE__, __func__);
967 ret = -ENODATA;
968 goto out;
969 }
970 }
971
972 issue_host_reset:
973 if (issue_reset) {
974 ret = -ENODATA;
975 if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
976 mpi_request->Function ==
977 MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
978 mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) {
979 printk(MPT2SAS_INFO_FMT "issue target reset: handle "
980 "= (0x%04x)\n", ioc->name,
981 le16_to_cpu(mpi_request->FunctionDependent1));
982 mpt2sas_halt_firmware(ioc);
983 mpt2sas_scsih_issue_tm(ioc,
984 le16_to_cpu(mpi_request->FunctionDependent1), 0, 0,
985 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10,
986 0, TM_MUTEX_ON);
987 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
988 } else
989 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
990 FORCE_BIG_HAMMER);
991 }
992
993 out:
994
995
996 if (data_in)
997 pci_free_consistent(ioc->pdev, data_in_sz, data_in,
998 data_in_dma);
999
1000 if (data_out)
1001 pci_free_consistent(ioc->pdev, data_out_sz, data_out,
1002 data_out_dma);
1003
1004 kfree(mpi_request);
1005 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
1006 return ret;
1007}
1008
1009
1010
1011
1012
1013
1014static long
1015_ctl_getiocinfo(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1016{
1017 struct mpt2_ioctl_iocinfo karg;
1018
1019 if (copy_from_user(&karg, arg, sizeof(karg))) {
1020 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1021 __FILE__, __LINE__, __func__);
1022 return -EFAULT;
1023 }
1024
1025 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1026 __func__));
1027
1028 memset(&karg, 0 , sizeof(karg));
1029 if (ioc->is_warpdrive)
1030 karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200;
1031 else
1032 karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2;
1033 if (ioc->pfacts)
1034 karg.port_number = ioc->pfacts[0].PortNumber;
1035 karg.hw_rev = ioc->pdev->revision;
1036 karg.pci_id = ioc->pdev->device;
1037 karg.subsystem_device = ioc->pdev->subsystem_device;
1038 karg.subsystem_vendor = ioc->pdev->subsystem_vendor;
1039 karg.pci_information.u.bits.bus = ioc->pdev->bus->number;
1040 karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn);
1041 karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn);
1042 karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus);
1043 karg.firmware_version = ioc->facts.FWVersion.Word;
1044 strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME);
1045 strcat(karg.driver_version, "-");
1046 strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
1047 karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
1048
1049 if (copy_to_user(arg, &karg, sizeof(karg))) {
1050 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1051 __FILE__, __LINE__, __func__);
1052 return -EFAULT;
1053 }
1054 return 0;
1055}
1056
1057
1058
1059
1060
1061
1062static long
1063_ctl_eventquery(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1064{
1065 struct mpt2_ioctl_eventquery karg;
1066
1067 if (copy_from_user(&karg, arg, sizeof(karg))) {
1068 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1069 __FILE__, __LINE__, __func__);
1070 return -EFAULT;
1071 }
1072
1073 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1074 __func__));
1075
1076 karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE;
1077 memcpy(karg.event_types, ioc->event_type,
1078 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
1079
1080 if (copy_to_user(arg, &karg, sizeof(karg))) {
1081 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1082 __FILE__, __LINE__, __func__);
1083 return -EFAULT;
1084 }
1085 return 0;
1086}
1087
1088
1089
1090
1091
1092
1093static long
1094_ctl_eventenable(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1095{
1096 struct mpt2_ioctl_eventenable karg;
1097
1098 if (copy_from_user(&karg, arg, sizeof(karg))) {
1099 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1100 __FILE__, __LINE__, __func__);
1101 return -EFAULT;
1102 }
1103
1104 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1105 __func__));
1106
1107 if (ioc->event_log)
1108 return 0;
1109 memcpy(ioc->event_type, karg.event_types,
1110 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
1111 mpt2sas_base_validate_event_type(ioc, ioc->event_type);
1112
1113
1114 ioc->event_context = 0;
1115 ioc->aen_event_read_flag = 0;
1116 ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE,
1117 sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL);
1118 if (!ioc->event_log) {
1119 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1120 __FILE__, __LINE__, __func__);
1121 return -ENOMEM;
1122 }
1123 return 0;
1124}
1125
1126
1127
1128
1129
1130
1131static long
1132_ctl_eventreport(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1133{
1134 struct mpt2_ioctl_eventreport karg;
1135 u32 number_bytes, max_events, max;
1136 struct mpt2_ioctl_eventreport __user *uarg = arg;
1137
1138 if (copy_from_user(&karg, arg, sizeof(karg))) {
1139 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1140 __FILE__, __LINE__, __func__);
1141 return -EFAULT;
1142 }
1143
1144 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1145 __func__));
1146
1147 number_bytes = karg.hdr.max_data_size -
1148 sizeof(struct mpt2_ioctl_header);
1149 max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS);
1150 max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events);
1151
1152
1153
1154
1155 if (!max || !ioc->event_log)
1156 return -ENODATA;
1157
1158 number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS);
1159 if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) {
1160 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1161 __FILE__, __LINE__, __func__);
1162 return -EFAULT;
1163 }
1164
1165
1166 ioc->aen_event_read_flag = 0;
1167 return 0;
1168}
1169
1170
1171
1172
1173
1174
1175static long
1176_ctl_do_reset(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1177{
1178 struct mpt2_ioctl_diag_reset karg;
1179 int retval;
1180
1181 if (copy_from_user(&karg, arg, sizeof(karg))) {
1182 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1183 __FILE__, __LINE__, __func__);
1184 return -EFAULT;
1185 }
1186
1187 if (ioc->shost_recovery || ioc->pci_error_recovery ||
1188 ioc->is_driver_loading)
1189 return -EAGAIN;
1190 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
1191 __func__));
1192
1193 retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1194 FORCE_BIG_HAMMER);
1195 printk(MPT2SAS_INFO_FMT "host reset: %s\n",
1196 ioc->name, ((!retval) ? "SUCCESS" : "FAILED"));
1197 return 0;
1198}
1199
1200
1201
1202
1203
1204
1205static int
1206_ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc,
1207 struct mpt2_ioctl_btdh_mapping *btdh)
1208{
1209 struct _sas_device *sas_device;
1210 unsigned long flags;
1211 int rc = 0;
1212
1213 if (list_empty(&ioc->sas_device_list))
1214 return rc;
1215
1216 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1217 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
1218 if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
1219 btdh->handle == sas_device->handle) {
1220 btdh->bus = sas_device->channel;
1221 btdh->id = sas_device->id;
1222 rc = 1;
1223 goto out;
1224 } else if (btdh->bus == sas_device->channel && btdh->id ==
1225 sas_device->id && btdh->handle == 0xFFFF) {
1226 btdh->handle = sas_device->handle;
1227 rc = 1;
1228 goto out;
1229 }
1230 }
1231 out:
1232 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1233 return rc;
1234}
1235
1236
1237
1238
1239
1240
1241static int
1242_ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc,
1243 struct mpt2_ioctl_btdh_mapping *btdh)
1244{
1245 struct _raid_device *raid_device;
1246 unsigned long flags;
1247 int rc = 0;
1248
1249 if (list_empty(&ioc->raid_device_list))
1250 return rc;
1251
1252 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1253 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
1254 if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
1255 btdh->handle == raid_device->handle) {
1256 btdh->bus = raid_device->channel;
1257 btdh->id = raid_device->id;
1258 rc = 1;
1259 goto out;
1260 } else if (btdh->bus == raid_device->channel && btdh->id ==
1261 raid_device->id && btdh->handle == 0xFFFF) {
1262 btdh->handle = raid_device->handle;
1263 rc = 1;
1264 goto out;
1265 }
1266 }
1267 out:
1268 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1269 return rc;
1270}
1271
1272
1273
1274
1275
1276
1277static long
1278_ctl_btdh_mapping(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1279{
1280 struct mpt2_ioctl_btdh_mapping karg;
1281 int rc;
1282
1283 if (copy_from_user(&karg, arg, sizeof(karg))) {
1284 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1285 __FILE__, __LINE__, __func__);
1286 return -EFAULT;
1287 }
1288
1289 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1290 __func__));
1291
1292 rc = _ctl_btdh_search_sas_device(ioc, &karg);
1293 if (!rc)
1294 _ctl_btdh_search_raid_device(ioc, &karg);
1295
1296 if (copy_to_user(arg, &karg, sizeof(karg))) {
1297 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1298 __FILE__, __LINE__, __func__);
1299 return -EFAULT;
1300 }
1301 return 0;
1302}
1303
1304
1305
1306
1307
1308
1309
1310
1311static u8
1312_ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type)
1313{
1314 u8 rc = 0;
1315
1316 switch (buffer_type) {
1317 case MPI2_DIAG_BUF_TYPE_TRACE:
1318 if (ioc->facts.IOCCapabilities &
1319 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER)
1320 rc = 1;
1321 break;
1322 case MPI2_DIAG_BUF_TYPE_SNAPSHOT:
1323 if (ioc->facts.IOCCapabilities &
1324 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER)
1325 rc = 1;
1326 break;
1327 case MPI2_DIAG_BUF_TYPE_EXTENDED:
1328 if (ioc->facts.IOCCapabilities &
1329 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER)
1330 rc = 1;
1331 }
1332
1333 return rc;
1334}
1335
1336
1337
1338
1339
1340
1341
1342static long
1343_ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc,
1344 struct mpt2_diag_register *diag_register)
1345{
1346 int rc, i;
1347 void *request_data = NULL;
1348 dma_addr_t request_data_dma;
1349 u32 request_data_sz = 0;
1350 Mpi2DiagBufferPostRequest_t *mpi_request;
1351 Mpi2DiagBufferPostReply_t *mpi_reply;
1352 u8 buffer_type;
1353 unsigned long timeleft;
1354 u16 smid;
1355 u16 ioc_status;
1356 u8 issue_reset = 0;
1357
1358 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1359 __func__));
1360
1361 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
1362 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
1363 ioc->name, __func__);
1364 rc = -EAGAIN;
1365 goto out;
1366 }
1367
1368 buffer_type = diag_register->buffer_type;
1369 if (!_ctl_diag_capability(ioc, buffer_type)) {
1370 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1371 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1372 return -EPERM;
1373 }
1374
1375 if (ioc->diag_buffer_status[buffer_type] &
1376 MPT2_DIAG_BUFFER_IS_REGISTERED) {
1377 printk(MPT2SAS_ERR_FMT "%s: already has a registered "
1378 "buffer for buffer_type(0x%02x)\n", ioc->name, __func__,
1379 buffer_type);
1380 return -EINVAL;
1381 }
1382
1383 if (diag_register->requested_buffer_size % 4) {
1384 printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size "
1385 "is not 4 byte aligned\n", ioc->name, __func__);
1386 return -EINVAL;
1387 }
1388
1389 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
1390 if (!smid) {
1391 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1392 ioc->name, __func__);
1393 rc = -EAGAIN;
1394 goto out;
1395 }
1396
1397 rc = 0;
1398 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
1399 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
1400 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1401 ioc->ctl_cmds.smid = smid;
1402
1403 request_data = ioc->diag_buffer[buffer_type];
1404 request_data_sz = diag_register->requested_buffer_size;
1405 ioc->unique_id[buffer_type] = diag_register->unique_id;
1406 ioc->diag_buffer_status[buffer_type] = 0;
1407 memcpy(ioc->product_specific[buffer_type],
1408 diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS);
1409 ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags;
1410
1411 if (request_data) {
1412 request_data_dma = ioc->diag_buffer_dma[buffer_type];
1413 if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) {
1414 pci_free_consistent(ioc->pdev,
1415 ioc->diag_buffer_sz[buffer_type],
1416 request_data, request_data_dma);
1417 request_data = NULL;
1418 }
1419 }
1420
1421 if (request_data == NULL) {
1422 ioc->diag_buffer_sz[buffer_type] = 0;
1423 ioc->diag_buffer_dma[buffer_type] = 0;
1424 request_data = pci_alloc_consistent(
1425 ioc->pdev, request_data_sz, &request_data_dma);
1426 if (request_data == NULL) {
1427 printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"
1428 " for diag buffers, requested size(%d)\n",
1429 ioc->name, __func__, request_data_sz);
1430 mpt2sas_base_free_smid(ioc, smid);
1431 return -ENOMEM;
1432 }
1433 ioc->diag_buffer[buffer_type] = request_data;
1434 ioc->diag_buffer_sz[buffer_type] = request_data_sz;
1435 ioc->diag_buffer_dma[buffer_type] = request_data_dma;
1436 }
1437
1438 mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
1439 mpi_request->BufferType = diag_register->buffer_type;
1440 mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags);
1441 mpi_request->BufferAddress = cpu_to_le64(request_data_dma);
1442 mpi_request->BufferLength = cpu_to_le32(request_data_sz);
1443 mpi_request->VF_ID = 0;
1444 mpi_request->VP_ID = 0;
1445
1446 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(0x%p), "
1447 "dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data,
1448 (unsigned long long)request_data_dma,
1449 le32_to_cpu(mpi_request->BufferLength)));
1450
1451 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
1452 mpi_request->ProductSpecific[i] =
1453 cpu_to_le32(ioc->product_specific[buffer_type][i]);
1454
1455 init_completion(&ioc->ctl_cmds.done);
1456 mpt2sas_base_put_smid_default(ioc, smid);
1457 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
1458 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
1459
1460 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
1461 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
1462 __func__);
1463 _debug_dump_mf(mpi_request,
1464 sizeof(Mpi2DiagBufferPostRequest_t)/4);
1465 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
1466 issue_reset = 1;
1467 goto issue_host_reset;
1468 }
1469
1470
1471 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
1472 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
1473 ioc->name, __func__);
1474 rc = -EFAULT;
1475 goto out;
1476 }
1477
1478 mpi_reply = ioc->ctl_cmds.reply;
1479 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
1480
1481 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
1482 ioc->diag_buffer_status[buffer_type] |=
1483 MPT2_DIAG_BUFFER_IS_REGISTERED;
1484 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
1485 ioc->name, __func__));
1486 } else {
1487 printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
1488 "log_info(0x%08x)\n", ioc->name, __func__,
1489 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
1490 rc = -EFAULT;
1491 }
1492
1493 issue_host_reset:
1494 if (issue_reset)
1495 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1496 FORCE_BIG_HAMMER);
1497
1498 out:
1499
1500 if (rc && request_data)
1501 pci_free_consistent(ioc->pdev, request_data_sz,
1502 request_data, request_data_dma);
1503
1504 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
1505 return rc;
1506}
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516void
1517mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register)
1518{
1519 struct mpt2_diag_register diag_register;
1520
1521 memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
1522
1523 if (bits_to_register & 1) {
1524 printk(MPT2SAS_INFO_FMT "registering trace buffer support\n",
1525 ioc->name);
1526 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
1527
1528 diag_register.requested_buffer_size = (1024 * 1024);
1529 diag_register.unique_id = 0x7075900;
1530 _ctl_diag_register_2(ioc, &diag_register);
1531 }
1532
1533 if (bits_to_register & 2) {
1534 printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n",
1535 ioc->name);
1536 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT;
1537
1538 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1539 diag_register.unique_id = 0x7075901;
1540 _ctl_diag_register_2(ioc, &diag_register);
1541 }
1542
1543 if (bits_to_register & 4) {
1544 printk(MPT2SAS_INFO_FMT "registering extended buffer support\n",
1545 ioc->name);
1546 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED;
1547
1548 diag_register.requested_buffer_size = 2 * (1024 * 1024);
1549 diag_register.unique_id = 0x7075901;
1550 _ctl_diag_register_2(ioc, &diag_register);
1551 }
1552}
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562static long
1563_ctl_diag_register(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1564{
1565 struct mpt2_diag_register karg;
1566 long rc;
1567
1568 if (copy_from_user(&karg, arg, sizeof(karg))) {
1569 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1570 __FILE__, __LINE__, __func__);
1571 return -EFAULT;
1572 }
1573
1574 rc = _ctl_diag_register_2(ioc, &karg);
1575 return rc;
1576}
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586static long
1587_ctl_diag_unregister(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1588{
1589 struct mpt2_diag_unregister karg;
1590 void *request_data;
1591 dma_addr_t request_data_dma;
1592 u32 request_data_sz;
1593 u8 buffer_type;
1594
1595 if (copy_from_user(&karg, arg, sizeof(karg))) {
1596 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1597 __FILE__, __LINE__, __func__);
1598 return -EFAULT;
1599 }
1600
1601 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1602 __func__));
1603
1604 buffer_type = karg.unique_id & 0x000000ff;
1605 if (!_ctl_diag_capability(ioc, buffer_type)) {
1606 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1607 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1608 return -EPERM;
1609 }
1610
1611 if ((ioc->diag_buffer_status[buffer_type] &
1612 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1613 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1614 "registered\n", ioc->name, __func__, buffer_type);
1615 return -EINVAL;
1616 }
1617 if ((ioc->diag_buffer_status[buffer_type] &
1618 MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
1619 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been "
1620 "released\n", ioc->name, __func__, buffer_type);
1621 return -EINVAL;
1622 }
1623
1624 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1625 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1626 "registered\n", ioc->name, __func__, karg.unique_id);
1627 return -EINVAL;
1628 }
1629
1630 request_data = ioc->diag_buffer[buffer_type];
1631 if (!request_data) {
1632 printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
1633 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1634 return -ENOMEM;
1635 }
1636
1637 request_data_sz = ioc->diag_buffer_sz[buffer_type];
1638 request_data_dma = ioc->diag_buffer_dma[buffer_type];
1639 pci_free_consistent(ioc->pdev, request_data_sz,
1640 request_data, request_data_dma);
1641 ioc->diag_buffer[buffer_type] = NULL;
1642 ioc->diag_buffer_status[buffer_type] = 0;
1643 return 0;
1644}
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655static long
1656_ctl_diag_query(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1657{
1658 struct mpt2_diag_query karg;
1659 void *request_data;
1660 int i;
1661 u8 buffer_type;
1662
1663 if (copy_from_user(&karg, arg, sizeof(karg))) {
1664 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1665 __FILE__, __LINE__, __func__);
1666 return -EFAULT;
1667 }
1668
1669 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1670 __func__));
1671
1672 karg.application_flags = 0;
1673 buffer_type = karg.buffer_type;
1674
1675 if (!_ctl_diag_capability(ioc, buffer_type)) {
1676 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1677 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1678 return -EPERM;
1679 }
1680
1681 if ((ioc->diag_buffer_status[buffer_type] &
1682 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1683 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1684 "registered\n", ioc->name, __func__, buffer_type);
1685 return -EINVAL;
1686 }
1687
1688 if (karg.unique_id & 0xffffff00) {
1689 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1690 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1691 "registered\n", ioc->name, __func__,
1692 karg.unique_id);
1693 return -EINVAL;
1694 }
1695 }
1696
1697 request_data = ioc->diag_buffer[buffer_type];
1698 if (!request_data) {
1699 printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
1700 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1701 return -ENOMEM;
1702 }
1703
1704 if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED)
1705 karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
1706 MPT2_APP_FLAGS_BUFFER_VALID);
1707 else
1708 karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
1709 MPT2_APP_FLAGS_BUFFER_VALID |
1710 MPT2_APP_FLAGS_FW_BUFFER_ACCESS);
1711
1712 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
1713 karg.product_specific[i] =
1714 ioc->product_specific[buffer_type][i];
1715
1716 karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type];
1717 karg.driver_added_buffer_size = 0;
1718 karg.unique_id = ioc->unique_id[buffer_type];
1719 karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type];
1720
1721 if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) {
1722 printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query "
1723 "data @ %p\n", ioc->name, __func__, arg);
1724 return -EFAULT;
1725 }
1726 return 0;
1727}
1728
1729
1730
1731
1732
1733
1734
1735
1736static int
1737_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset)
1738{
1739 Mpi2DiagReleaseRequest_t *mpi_request;
1740 Mpi2DiagReleaseReply_t *mpi_reply;
1741 u16 smid;
1742 u16 ioc_status;
1743 u32 ioc_state;
1744 int rc;
1745 unsigned long timeleft;
1746
1747 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1748 __func__));
1749
1750 rc = 0;
1751 *issue_reset = 0;
1752
1753 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
1754 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
1755 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
1756 "skipping due to FAULT state\n", ioc->name,
1757 __func__));
1758 rc = -EAGAIN;
1759 goto out;
1760 }
1761
1762 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
1763 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
1764 ioc->name, __func__);
1765 rc = -EAGAIN;
1766 goto out;
1767 }
1768
1769 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
1770 if (!smid) {
1771 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
1772 ioc->name, __func__);
1773 rc = -EAGAIN;
1774 goto out;
1775 }
1776
1777 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
1778 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
1779 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
1780 ioc->ctl_cmds.smid = smid;
1781
1782 mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE;
1783 mpi_request->BufferType = buffer_type;
1784 mpi_request->VF_ID = 0;
1785 mpi_request->VP_ID = 0;
1786
1787 init_completion(&ioc->ctl_cmds.done);
1788 mpt2sas_base_put_smid_default(ioc, smid);
1789 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
1790 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
1791
1792 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
1793 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
1794 __func__);
1795 _debug_dump_mf(mpi_request,
1796 sizeof(Mpi2DiagReleaseRequest_t)/4);
1797 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
1798 *issue_reset = 1;
1799 rc = -EFAULT;
1800 goto out;
1801 }
1802
1803
1804 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
1805 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
1806 ioc->name, __func__);
1807 rc = -EFAULT;
1808 goto out;
1809 }
1810
1811 mpi_reply = ioc->ctl_cmds.reply;
1812 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
1813
1814 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
1815 ioc->diag_buffer_status[buffer_type] |=
1816 MPT2_DIAG_BUFFER_IS_RELEASED;
1817 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
1818 ioc->name, __func__));
1819 } else {
1820 printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
1821 "log_info(0x%08x)\n", ioc->name, __func__,
1822 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
1823 rc = -EFAULT;
1824 }
1825
1826 out:
1827 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
1828 return rc;
1829}
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839static long
1840_ctl_diag_release(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1841{
1842 struct mpt2_diag_release karg;
1843 void *request_data;
1844 int rc;
1845 u8 buffer_type;
1846 u8 issue_reset = 0;
1847
1848 if (copy_from_user(&karg, arg, sizeof(karg))) {
1849 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1850 __FILE__, __LINE__, __func__);
1851 return -EFAULT;
1852 }
1853
1854 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1855 __func__));
1856
1857 buffer_type = karg.unique_id & 0x000000ff;
1858 if (!_ctl_diag_capability(ioc, buffer_type)) {
1859 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1860 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1861 return -EPERM;
1862 }
1863
1864 if ((ioc->diag_buffer_status[buffer_type] &
1865 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
1866 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
1867 "registered\n", ioc->name, __func__, buffer_type);
1868 return -EINVAL;
1869 }
1870
1871 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1872 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1873 "registered\n", ioc->name, __func__, karg.unique_id);
1874 return -EINVAL;
1875 }
1876
1877 if (ioc->diag_buffer_status[buffer_type] &
1878 MPT2_DIAG_BUFFER_IS_RELEASED) {
1879 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
1880 "is already released\n", ioc->name, __func__,
1881 buffer_type);
1882 return 0;
1883 }
1884
1885 request_data = ioc->diag_buffer[buffer_type];
1886
1887 if (!request_data) {
1888 printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
1889 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1890 return -ENOMEM;
1891 }
1892
1893
1894 if ((ioc->diag_buffer_status[buffer_type] &
1895 MPT2_DIAG_BUFFER_IS_DIAG_RESET)) {
1896 ioc->diag_buffer_status[buffer_type] |=
1897 MPT2_DIAG_BUFFER_IS_RELEASED;
1898 ioc->diag_buffer_status[buffer_type] &=
1899 ~MPT2_DIAG_BUFFER_IS_DIAG_RESET;
1900 printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
1901 "was released due to host reset\n", ioc->name, __func__,
1902 buffer_type);
1903 return 0;
1904 }
1905
1906 rc = _ctl_send_release(ioc, buffer_type, &issue_reset);
1907
1908 if (issue_reset)
1909 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
1910 FORCE_BIG_HAMMER);
1911
1912 return rc;
1913}
1914
1915
1916
1917
1918
1919
1920static long
1921_ctl_diag_read_buffer(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
1922{
1923 struct mpt2_diag_read_buffer karg;
1924 struct mpt2_diag_read_buffer __user *uarg = arg;
1925 void *request_data, *diag_data;
1926 Mpi2DiagBufferPostRequest_t *mpi_request;
1927 Mpi2DiagBufferPostReply_t *mpi_reply;
1928 int rc, i;
1929 u8 buffer_type;
1930 unsigned long timeleft, request_size, copy_size;
1931 u16 smid;
1932 u16 ioc_status;
1933 u8 issue_reset = 0;
1934
1935 if (copy_from_user(&karg, arg, sizeof(karg))) {
1936 printk(KERN_ERR "failure at %s:%d/%s()!\n",
1937 __FILE__, __LINE__, __func__);
1938 return -EFAULT;
1939 }
1940
1941 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1942 __func__));
1943
1944 buffer_type = karg.unique_id & 0x000000ff;
1945 if (!_ctl_diag_capability(ioc, buffer_type)) {
1946 printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
1947 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1948 return -EPERM;
1949 }
1950
1951 if (karg.unique_id != ioc->unique_id[buffer_type]) {
1952 printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
1953 "registered\n", ioc->name, __func__, karg.unique_id);
1954 return -EINVAL;
1955 }
1956
1957 request_data = ioc->diag_buffer[buffer_type];
1958 if (!request_data) {
1959 printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
1960 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
1961 return -ENOMEM;
1962 }
1963
1964 request_size = ioc->diag_buffer_sz[buffer_type];
1965
1966 if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) {
1967 printk(MPT2SAS_ERR_FMT "%s: either the starting_offset "
1968 "or bytes_to_read are not 4 byte aligned\n", ioc->name,
1969 __func__);
1970 return -EINVAL;
1971 }
1972
1973 if (karg.starting_offset > request_size)
1974 return -EINVAL;
1975
1976 diag_data = (void *)(request_data + karg.starting_offset);
1977 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(%p), "
1978 "offset(%d), sz(%d)\n", ioc->name, __func__,
1979 diag_data, karg.starting_offset, karg.bytes_to_read));
1980
1981
1982 if ((diag_data + karg.bytes_to_read < diag_data) ||
1983 (diag_data + karg.bytes_to_read > request_data + request_size))
1984 copy_size = request_size - karg.starting_offset;
1985 else
1986 copy_size = karg.bytes_to_read;
1987
1988 if (copy_to_user((void __user *)uarg->diagnostic_data,
1989 diag_data, copy_size)) {
1990 printk(MPT2SAS_ERR_FMT "%s: Unable to write "
1991 "mpt_diag_read_buffer_t data @ %p\n", ioc->name,
1992 __func__, diag_data);
1993 return -EFAULT;
1994 }
1995
1996 if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0)
1997 return 0;
1998
1999 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: Reregister "
2000 "buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type));
2001 if ((ioc->diag_buffer_status[buffer_type] &
2002 MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
2003 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2004 "buffer_type(0x%02x) is still registered\n", ioc->name,
2005 __func__, buffer_type));
2006 return 0;
2007 }
2008
2009
2010
2011 if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
2012 printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
2013 ioc->name, __func__);
2014 rc = -EAGAIN;
2015 goto out;
2016 }
2017
2018 smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
2019 if (!smid) {
2020 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2021 ioc->name, __func__);
2022 rc = -EAGAIN;
2023 goto out;
2024 }
2025
2026 rc = 0;
2027 ioc->ctl_cmds.status = MPT2_CMD_PENDING;
2028 memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
2029 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2030 ioc->ctl_cmds.smid = smid;
2031
2032 mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
2033 mpi_request->BufferType = buffer_type;
2034 mpi_request->BufferLength =
2035 cpu_to_le32(ioc->diag_buffer_sz[buffer_type]);
2036 mpi_request->BufferAddress =
2037 cpu_to_le64(ioc->diag_buffer_dma[buffer_type]);
2038 for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
2039 mpi_request->ProductSpecific[i] =
2040 cpu_to_le32(ioc->product_specific[buffer_type][i]);
2041 mpi_request->VF_ID = 0;
2042 mpi_request->VP_ID = 0;
2043
2044 init_completion(&ioc->ctl_cmds.done);
2045 mpt2sas_base_put_smid_default(ioc, smid);
2046 timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
2047 MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
2048
2049 if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
2050 printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
2051 __func__);
2052 _debug_dump_mf(mpi_request,
2053 sizeof(Mpi2DiagBufferPostRequest_t)/4);
2054 if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
2055 issue_reset = 1;
2056 goto issue_host_reset;
2057 }
2058
2059
2060 if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
2061 printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
2062 ioc->name, __func__);
2063 rc = -EFAULT;
2064 goto out;
2065 }
2066
2067 mpi_reply = ioc->ctl_cmds.reply;
2068 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
2069
2070 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
2071 ioc->diag_buffer_status[buffer_type] |=
2072 MPT2_DIAG_BUFFER_IS_REGISTERED;
2073 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
2074 ioc->name, __func__));
2075 } else {
2076 printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
2077 "log_info(0x%08x)\n", ioc->name, __func__,
2078 ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
2079 rc = -EFAULT;
2080 }
2081
2082 issue_host_reset:
2083 if (issue_reset)
2084 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2085 FORCE_BIG_HAMMER);
2086
2087 out:
2088
2089 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
2090 return rc;
2091}
2092
2093
2094#ifdef CONFIG_COMPAT
2095
2096
2097
2098
2099
2100
2101
2102
2103static long
2104_ctl_compat_mpt_command(struct MPT2SAS_ADAPTER *ioc, unsigned cmd,
2105 void __user *arg)
2106{
2107 struct mpt2_ioctl_command32 karg32;
2108 struct mpt2_ioctl_command32 __user *uarg;
2109 struct mpt2_ioctl_command karg;
2110
2111 if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32))
2112 return -EINVAL;
2113
2114 uarg = (struct mpt2_ioctl_command32 __user *) arg;
2115
2116 if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) {
2117 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2118 __FILE__, __LINE__, __func__);
2119 return -EFAULT;
2120 }
2121
2122 memset(&karg, 0, sizeof(struct mpt2_ioctl_command));
2123 karg.hdr.ioc_number = karg32.hdr.ioc_number;
2124 karg.hdr.port_number = karg32.hdr.port_number;
2125 karg.hdr.max_data_size = karg32.hdr.max_data_size;
2126 karg.timeout = karg32.timeout;
2127 karg.max_reply_bytes = karg32.max_reply_bytes;
2128 karg.data_in_size = karg32.data_in_size;
2129 karg.data_out_size = karg32.data_out_size;
2130 karg.max_sense_bytes = karg32.max_sense_bytes;
2131 karg.data_sge_offset = karg32.data_sge_offset;
2132 karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr);
2133 karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr);
2134 karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr);
2135 karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr);
2136 return _ctl_do_mpt_command(ioc, karg, &uarg->mf);
2137}
2138#endif
2139
2140
2141
2142
2143
2144
2145
2146
2147static long
2148_ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg,
2149 u8 compat)
2150{
2151 struct MPT2SAS_ADAPTER *ioc;
2152 struct mpt2_ioctl_header ioctl_header;
2153 enum block_state state;
2154 long ret = -EINVAL;
2155
2156
2157 if (copy_from_user(&ioctl_header, (char __user *)arg,
2158 sizeof(struct mpt2_ioctl_header))) {
2159 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2160 __FILE__, __LINE__, __func__);
2161 return -EFAULT;
2162 }
2163
2164 if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc)
2165 return -ENODEV;
2166 if (ioc->shost_recovery || ioc->pci_error_recovery ||
2167 ioc->is_driver_loading)
2168 return -EAGAIN;
2169
2170 state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING;
2171 if (state == NON_BLOCKING) {
2172 if (!mutex_trylock(&ioc->ctl_cmds.mutex))
2173 return -EAGAIN;
2174 } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) {
2175 return -ERESTARTSYS;
2176 }
2177
2178 switch (cmd) {
2179 case MPT2IOCINFO:
2180 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo))
2181 ret = _ctl_getiocinfo(ioc, arg);
2182 break;
2183#ifdef CONFIG_COMPAT
2184 case MPT2COMMAND32:
2185#endif
2186 case MPT2COMMAND:
2187 {
2188 struct mpt2_ioctl_command __user *uarg;
2189 struct mpt2_ioctl_command karg;
2190#ifdef CONFIG_COMPAT
2191 if (compat) {
2192 ret = _ctl_compat_mpt_command(ioc, cmd, arg);
2193 break;
2194 }
2195#endif
2196 if (copy_from_user(&karg, arg, sizeof(karg))) {
2197 printk(KERN_ERR "failure at %s:%d/%s()!\n",
2198 __FILE__, __LINE__, __func__);
2199 ret = -EFAULT;
2200 break;
2201 }
2202
2203 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) {
2204 uarg = arg;
2205 ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf);
2206 }
2207 break;
2208 }
2209 case MPT2EVENTQUERY:
2210 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery))
2211 ret = _ctl_eventquery(ioc, arg);
2212 break;
2213 case MPT2EVENTENABLE:
2214 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable))
2215 ret = _ctl_eventenable(ioc, arg);
2216 break;
2217 case MPT2EVENTREPORT:
2218 ret = _ctl_eventreport(ioc, arg);
2219 break;
2220 case MPT2HARDRESET:
2221 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset))
2222 ret = _ctl_do_reset(ioc, arg);
2223 break;
2224 case MPT2BTDHMAPPING:
2225 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping))
2226 ret = _ctl_btdh_mapping(ioc, arg);
2227 break;
2228 case MPT2DIAGREGISTER:
2229 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register))
2230 ret = _ctl_diag_register(ioc, arg);
2231 break;
2232 case MPT2DIAGUNREGISTER:
2233 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister))
2234 ret = _ctl_diag_unregister(ioc, arg);
2235 break;
2236 case MPT2DIAGQUERY:
2237 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query))
2238 ret = _ctl_diag_query(ioc, arg);
2239 break;
2240 case MPT2DIAGRELEASE:
2241 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release))
2242 ret = _ctl_diag_release(ioc, arg);
2243 break;
2244 case MPT2DIAGREADBUFFER:
2245 if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer))
2246 ret = _ctl_diag_read_buffer(ioc, arg);
2247 break;
2248 default:
2249
2250 dctlprintk(ioc, printk(MPT2SAS_INFO_FMT
2251 "unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd));
2252 break;
2253 }
2254
2255 mutex_unlock(&ioc->ctl_cmds.mutex);
2256 return ret;
2257}
2258
2259
2260
2261
2262
2263
2264
2265static long
2266_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
2267{
2268 long ret;
2269
2270 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0);
2271 return ret;
2272}
2273#ifdef CONFIG_COMPAT
2274
2275
2276
2277
2278
2279
2280
2281
2282static long
2283_ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
2284{
2285 long ret;
2286
2287 ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1);
2288 return ret;
2289}
2290#endif
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301static ssize_t
2302_ctl_version_fw_show(struct device *cdev, struct device_attribute *attr,
2303 char *buf)
2304{
2305 struct Scsi_Host *shost = class_to_shost(cdev);
2306 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2307
2308 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
2309 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
2310 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
2311 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
2312 ioc->facts.FWVersion.Word & 0x000000FF);
2313}
2314static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL);
2315
2316
2317
2318
2319
2320
2321
2322
2323static ssize_t
2324_ctl_version_bios_show(struct device *cdev, struct device_attribute *attr,
2325 char *buf)
2326{
2327 struct Scsi_Host *shost = class_to_shost(cdev);
2328 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2329
2330 u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
2331
2332 return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
2333 (version & 0xFF000000) >> 24,
2334 (version & 0x00FF0000) >> 16,
2335 (version & 0x0000FF00) >> 8,
2336 version & 0x000000FF);
2337}
2338static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL);
2339
2340
2341
2342
2343
2344
2345
2346
2347static ssize_t
2348_ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr,
2349 char *buf)
2350{
2351 struct Scsi_Host *shost = class_to_shost(cdev);
2352 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2353
2354 return snprintf(buf, PAGE_SIZE, "%03x.%02x\n",
2355 ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8);
2356}
2357static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL);
2358
2359
2360
2361
2362
2363
2364
2365
2366static ssize_t
2367_ctl_version_product_show(struct device *cdev, struct device_attribute *attr,
2368 char *buf)
2369{
2370 struct Scsi_Host *shost = class_to_shost(cdev);
2371 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2372
2373 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName);
2374}
2375static DEVICE_ATTR(version_product, S_IRUGO,
2376 _ctl_version_product_show, NULL);
2377
2378
2379
2380
2381
2382
2383
2384
2385static ssize_t
2386_ctl_version_nvdata_persistent_show(struct device *cdev,
2387 struct device_attribute *attr, char *buf)
2388{
2389 struct Scsi_Host *shost = class_to_shost(cdev);
2390 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2391
2392 return snprintf(buf, PAGE_SIZE, "%08xh\n",
2393 le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
2394}
2395static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
2396 _ctl_version_nvdata_persistent_show, NULL);
2397
2398
2399
2400
2401
2402
2403
2404
2405static ssize_t
2406_ctl_version_nvdata_default_show(struct device *cdev,
2407 struct device_attribute *attr, char *buf)
2408{
2409 struct Scsi_Host *shost = class_to_shost(cdev);
2410 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2411
2412 return snprintf(buf, PAGE_SIZE, "%08xh\n",
2413 le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
2414}
2415static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
2416 _ctl_version_nvdata_default_show, NULL);
2417
2418
2419
2420
2421
2422
2423
2424
2425static ssize_t
2426_ctl_board_name_show(struct device *cdev, struct device_attribute *attr,
2427 char *buf)
2428{
2429 struct Scsi_Host *shost = class_to_shost(cdev);
2430 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2431
2432 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName);
2433}
2434static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL);
2435
2436
2437
2438
2439
2440
2441
2442
2443static ssize_t
2444_ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr,
2445 char *buf)
2446{
2447 struct Scsi_Host *shost = class_to_shost(cdev);
2448 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2449
2450 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly);
2451}
2452static DEVICE_ATTR(board_assembly, S_IRUGO,
2453 _ctl_board_assembly_show, NULL);
2454
2455
2456
2457
2458
2459
2460
2461
2462static ssize_t
2463_ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr,
2464 char *buf)
2465{
2466 struct Scsi_Host *shost = class_to_shost(cdev);
2467 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2468
2469 return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber);
2470}
2471static DEVICE_ATTR(board_tracer, S_IRUGO,
2472 _ctl_board_tracer_show, NULL);
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484static ssize_t
2485_ctl_io_delay_show(struct device *cdev, struct device_attribute *attr,
2486 char *buf)
2487{
2488 struct Scsi_Host *shost = class_to_shost(cdev);
2489 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2490
2491 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
2492}
2493static DEVICE_ATTR(io_delay, S_IRUGO,
2494 _ctl_io_delay_show, NULL);
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506static ssize_t
2507_ctl_device_delay_show(struct device *cdev, struct device_attribute *attr,
2508 char *buf)
2509{
2510 struct Scsi_Host *shost = class_to_shost(cdev);
2511 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2512
2513 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
2514}
2515static DEVICE_ATTR(device_delay, S_IRUGO,
2516 _ctl_device_delay_show, NULL);
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527static ssize_t
2528_ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr,
2529 char *buf)
2530{
2531 struct Scsi_Host *shost = class_to_shost(cdev);
2532 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2533
2534 return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit);
2535}
2536static DEVICE_ATTR(fw_queue_depth, S_IRUGO,
2537 _ctl_fw_queue_depth_show, NULL);
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548static ssize_t
2549_ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr,
2550 char *buf)
2551{
2552 struct Scsi_Host *shost = class_to_shost(cdev);
2553 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2554
2555 return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
2556 (unsigned long long)ioc->sas_hba.sas_address);
2557}
2558static DEVICE_ATTR(host_sas_address, S_IRUGO,
2559 _ctl_host_sas_address_show, NULL);
2560
2561
2562
2563
2564
2565
2566
2567
2568static ssize_t
2569_ctl_logging_level_show(struct device *cdev, struct device_attribute *attr,
2570 char *buf)
2571{
2572 struct Scsi_Host *shost = class_to_shost(cdev);
2573 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2574
2575 return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level);
2576}
2577static ssize_t
2578_ctl_logging_level_store(struct device *cdev, struct device_attribute *attr,
2579 const char *buf, size_t count)
2580{
2581 struct Scsi_Host *shost = class_to_shost(cdev);
2582 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2583 int val = 0;
2584
2585 if (sscanf(buf, "%x", &val) != 1)
2586 return -EINVAL;
2587
2588 ioc->logging_level = val;
2589 printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name,
2590 ioc->logging_level);
2591 return strlen(buf);
2592}
2593static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR,
2594 _ctl_logging_level_show, _ctl_logging_level_store);
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605static ssize_t
2606_ctl_fwfault_debug_show(struct device *cdev,
2607 struct device_attribute *attr, char *buf)
2608{
2609 struct Scsi_Host *shost = class_to_shost(cdev);
2610 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2611
2612 return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug);
2613}
2614static ssize_t
2615_ctl_fwfault_debug_store(struct device *cdev,
2616 struct device_attribute *attr, const char *buf, size_t count)
2617{
2618 struct Scsi_Host *shost = class_to_shost(cdev);
2619 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2620 int val = 0;
2621
2622 if (sscanf(buf, "%d", &val) != 1)
2623 return -EINVAL;
2624
2625 ioc->fwfault_debug = val;
2626 printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name,
2627 ioc->fwfault_debug);
2628 return strlen(buf);
2629}
2630static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR,
2631 _ctl_fwfault_debug_show, _ctl_fwfault_debug_store);
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643static ssize_t
2644_ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr,
2645 char *buf)
2646{
2647 struct Scsi_Host *shost = class_to_shost(cdev);
2648 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2649
2650 return snprintf(buf, PAGE_SIZE, "%08d\n", ioc->ioc_reset_count);
2651}
2652static DEVICE_ATTR(ioc_reset_count, S_IRUGO,
2653 _ctl_ioc_reset_count_show, NULL);
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664static ssize_t
2665_ctl_ioc_reply_queue_count_show(struct device *cdev,
2666 struct device_attribute *attr, char *buf)
2667{
2668 u8 reply_queue_count;
2669 struct Scsi_Host *shost = class_to_shost(cdev);
2670 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2671
2672 if ((ioc->facts.IOCCapabilities &
2673 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable)
2674 reply_queue_count = ioc->reply_queue_count;
2675 else
2676 reply_queue_count = 1;
2677 return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count);
2678}
2679static DEVICE_ATTR(reply_queue_count, S_IRUGO,
2680 _ctl_ioc_reply_queue_count_show, NULL);
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691static ssize_t
2692_ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr,
2693 char *buf)
2694{
2695 struct Scsi_Host *shost = class_to_shost(cdev);
2696 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2697 Mpi2IOUnitPage3_t *io_unit_pg3 = NULL;
2698 Mpi2ConfigReply_t mpi_reply;
2699 u16 backup_rail_monitor_status = 0;
2700 u16 ioc_status;
2701 int sz;
2702 ssize_t rc = 0;
2703
2704 if (!ioc->is_warpdrive) {
2705 printk(MPT2SAS_ERR_FMT "%s: BRM attribute is only for"\
2706 "warpdrive\n", ioc->name, __func__);
2707 goto out;
2708 }
2709
2710
2711 sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36);
2712 io_unit_pg3 = kzalloc(sz, GFP_KERNEL);
2713 if (!io_unit_pg3) {
2714 printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"\
2715 "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz);
2716 goto out;
2717 }
2718
2719 if (mpt2sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) !=
2720 0) {
2721 printk(MPT2SAS_ERR_FMT
2722 "%s: failed reading iounit_pg3\n", ioc->name,
2723 __func__);
2724 goto out;
2725 }
2726
2727 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
2728 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
2729 printk(MPT2SAS_ERR_FMT "%s: iounit_pg3 failed with"\
2730 "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status);
2731 goto out;
2732 }
2733
2734 if (io_unit_pg3->GPIOCount < 25) {
2735 printk(MPT2SAS_ERR_FMT "%s: iounit_pg3->GPIOCount less than"\
2736 "25 entries, detected (%d) entries\n", ioc->name, __func__,
2737 io_unit_pg3->GPIOCount);
2738 goto out;
2739 }
2740
2741
2742 backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]);
2743 rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1));
2744
2745 out:
2746 kfree(io_unit_pg3);
2747 return rc;
2748}
2749static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL);
2750
2751struct DIAG_BUFFER_START {
2752 __le32 Size;
2753 __le32 DiagVersion;
2754 u8 BufferType;
2755 u8 Reserved[3];
2756 __le32 Reserved1;
2757 __le32 Reserved2;
2758 __le32 Reserved3;
2759};
2760
2761
2762
2763
2764
2765
2766
2767static ssize_t
2768_ctl_host_trace_buffer_size_show(struct device *cdev,
2769 struct device_attribute *attr, char *buf)
2770{
2771 struct Scsi_Host *shost = class_to_shost(cdev);
2772 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2773 u32 size = 0;
2774 struct DIAG_BUFFER_START *request_data;
2775
2776 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
2777 printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
2778 "registered\n", ioc->name, __func__);
2779 return 0;
2780 }
2781
2782 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2783 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
2784 printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
2785 "registered\n", ioc->name, __func__);
2786 return 0;
2787 }
2788
2789 request_data = (struct DIAG_BUFFER_START *)
2790 ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE];
2791 if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 ||
2792 le32_to_cpu(request_data->DiagVersion) == 0x01000000) &&
2793 le32_to_cpu(request_data->Reserved3) == 0x4742444c)
2794 size = le32_to_cpu(request_data->Size);
2795
2796 ioc->ring_buffer_sz = size;
2797 return snprintf(buf, PAGE_SIZE, "%d\n", size);
2798}
2799static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO,
2800 _ctl_host_trace_buffer_size_show, NULL);
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813static ssize_t
2814_ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr,
2815 char *buf)
2816{
2817 struct Scsi_Host *shost = class_to_shost(cdev);
2818 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2819 void *request_data;
2820 u32 size;
2821
2822 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
2823 printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
2824 "registered\n", ioc->name, __func__);
2825 return 0;
2826 }
2827
2828 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2829 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
2830 printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
2831 "registered\n", ioc->name, __func__);
2832 return 0;
2833 }
2834
2835 if (ioc->ring_buffer_offset > ioc->ring_buffer_sz)
2836 return 0;
2837
2838 size = ioc->ring_buffer_sz - ioc->ring_buffer_offset;
2839 size = (size > PAGE_SIZE) ? PAGE_SIZE : size;
2840 request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset;
2841 memcpy(buf, request_data, size);
2842 return size;
2843}
2844
2845static ssize_t
2846_ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr,
2847 const char *buf, size_t count)
2848{
2849 struct Scsi_Host *shost = class_to_shost(cdev);
2850 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2851 int val = 0;
2852
2853 if (sscanf(buf, "%d", &val) != 1)
2854 return -EINVAL;
2855
2856 ioc->ring_buffer_offset = val;
2857 return strlen(buf);
2858}
2859static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR,
2860 _ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store);
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873static ssize_t
2874_ctl_host_trace_buffer_enable_show(struct device *cdev,
2875 struct device_attribute *attr, char *buf)
2876{
2877 struct Scsi_Host *shost = class_to_shost(cdev);
2878 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2879
2880 if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) ||
2881 ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2882 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0))
2883 return snprintf(buf, PAGE_SIZE, "off\n");
2884 else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2885 MPT2_DIAG_BUFFER_IS_RELEASED))
2886 return snprintf(buf, PAGE_SIZE, "release\n");
2887 else
2888 return snprintf(buf, PAGE_SIZE, "post\n");
2889}
2890
2891static ssize_t
2892_ctl_host_trace_buffer_enable_store(struct device *cdev,
2893 struct device_attribute *attr, const char *buf, size_t count)
2894{
2895 struct Scsi_Host *shost = class_to_shost(cdev);
2896 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
2897 char str[10] = "";
2898 struct mpt2_diag_register diag_register;
2899 u8 issue_reset = 0;
2900
2901 if (sscanf(buf, "%9s", str) != 1)
2902 return -EINVAL;
2903
2904 if (!strcmp(str, "post")) {
2905
2906 if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) &&
2907 (ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2908 MPT2_DIAG_BUFFER_IS_REGISTERED) &&
2909 ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2910 MPT2_DIAG_BUFFER_IS_RELEASED) == 0))
2911 goto out;
2912 memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
2913 printk(MPT2SAS_INFO_FMT "posting host trace buffers\n",
2914 ioc->name);
2915 diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
2916 diag_register.requested_buffer_size = (1024 * 1024);
2917 diag_register.unique_id = 0x7075900;
2918 ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0;
2919 _ctl_diag_register_2(ioc, &diag_register);
2920 } else if (!strcmp(str, "release")) {
2921
2922 if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE])
2923 goto out;
2924 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2925 MPT2_DIAG_BUFFER_IS_REGISTERED) == 0)
2926 goto out;
2927 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
2928 MPT2_DIAG_BUFFER_IS_RELEASED))
2929 goto out;
2930 printk(MPT2SAS_INFO_FMT "releasing host trace buffer\n",
2931 ioc->name);
2932 _ctl_send_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset);
2933 }
2934
2935 out:
2936 return strlen(buf);
2937}
2938static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR,
2939 _ctl_host_trace_buffer_enable_show, _ctl_host_trace_buffer_enable_store);
2940
2941struct device_attribute *mpt2sas_host_attrs[] = {
2942 &dev_attr_version_fw,
2943 &dev_attr_version_bios,
2944 &dev_attr_version_mpi,
2945 &dev_attr_version_product,
2946 &dev_attr_version_nvdata_persistent,
2947 &dev_attr_version_nvdata_default,
2948 &dev_attr_board_name,
2949 &dev_attr_board_assembly,
2950 &dev_attr_board_tracer,
2951 &dev_attr_io_delay,
2952 &dev_attr_device_delay,
2953 &dev_attr_logging_level,
2954 &dev_attr_fwfault_debug,
2955 &dev_attr_fw_queue_depth,
2956 &dev_attr_host_sas_address,
2957 &dev_attr_ioc_reset_count,
2958 &dev_attr_host_trace_buffer_size,
2959 &dev_attr_host_trace_buffer,
2960 &dev_attr_host_trace_buffer_enable,
2961 &dev_attr_reply_queue_count,
2962 &dev_attr_BRM_status,
2963 NULL,
2964};
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975static ssize_t
2976_ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr,
2977 char *buf)
2978{
2979 struct scsi_device *sdev = to_scsi_device(dev);
2980 struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
2981
2982 return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
2983 (unsigned long long)sas_device_priv_data->sas_target->sas_address);
2984}
2985static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL);
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996static ssize_t
2997_ctl_device_handle_show(struct device *dev, struct device_attribute *attr,
2998 char *buf)
2999{
3000 struct scsi_device *sdev = to_scsi_device(dev);
3001 struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
3002
3003 return snprintf(buf, PAGE_SIZE, "0x%04x\n",
3004 sas_device_priv_data->sas_target->handle);
3005}
3006static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL);
3007
3008struct device_attribute *mpt2sas_dev_attrs[] = {
3009 &dev_attr_sas_address,
3010 &dev_attr_sas_device_handle,
3011 NULL,
3012};
3013
3014static const struct file_operations ctl_fops = {
3015 .owner = THIS_MODULE,
3016 .unlocked_ioctl = _ctl_ioctl,
3017 .poll = _ctl_poll,
3018 .fasync = _ctl_fasync,
3019#ifdef CONFIG_COMPAT
3020 .compat_ioctl = _ctl_ioctl_compat,
3021#endif
3022 .llseek = noop_llseek,
3023};
3024
3025static struct miscdevice ctl_dev = {
3026 .minor = MPT2SAS_MINOR,
3027 .name = MPT2SAS_DEV_NAME,
3028 .fops = &ctl_fops,
3029};
3030
3031
3032
3033
3034
3035void
3036mpt2sas_ctl_init(void)
3037{
3038 async_queue = NULL;
3039 if (misc_register(&ctl_dev) < 0)
3040 printk(KERN_ERR "%s can't register misc device [minor=%d]\n",
3041 MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR);
3042
3043 init_waitqueue_head(&ctl_poll_wait);
3044}
3045
3046
3047
3048
3049
3050void
3051mpt2sas_ctl_exit(void)
3052{
3053 struct MPT2SAS_ADAPTER *ioc;
3054 int i;
3055
3056 list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
3057
3058
3059 for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
3060 if (!ioc->diag_buffer[i])
3061 continue;
3062 pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i],
3063 ioc->diag_buffer[i], ioc->diag_buffer_dma[i]);
3064 ioc->diag_buffer[i] = NULL;
3065 ioc->diag_buffer_status[i] = 0;
3066 }
3067
3068 kfree(ioc->event_log);
3069 }
3070 misc_deregister(&ctl_dev);
3071}
3072
3073
