2 * This is the Fusion MPT base driver providing common API layer interface
3 * for access to MPT (Message Passing Technology) firmware.
5 * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
6 * Copyright (C) 2007-2010 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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/kdev_t.h>
53 #include <linux/blkdev.h>
54 #include <linux/delay.h>
55 #include <linux/interrupt.h>
56 #include <linux/dma-mapping.h>
57 #include <linux/sort.h>
59 #include <linux/time.h>
60 #include <linux/kthread.h>
61 #include <linux/aer.h>
63 #include "mpt2sas_base.h"
65 static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS];
67 #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
69 #define MAX_HBA_QUEUE_DEPTH 30000
70 #define MAX_CHAIN_DEPTH 100000
71 static int max_queue_depth = -1;
72 module_param(max_queue_depth, int, 0);
73 MODULE_PARM_DESC(max_queue_depth, " max controller queue depth ");
75 static int max_sgl_entries = -1;
76 module_param(max_sgl_entries, int, 0);
77 MODULE_PARM_DESC(max_sgl_entries, " max sg entries ");
79 static int msix_disable = -1;
80 module_param(msix_disable, int, 0);
81 MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
83 static int missing_delay[2] = {-1, -1};
84 module_param_array(missing_delay, int, NULL, 0);
85 MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
87 static int mpt2sas_fwfault_debug;
88 MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault "
89 "and halt firmware - (default=0)");
91 static int disable_discovery = -1;
92 module_param(disable_discovery, int, 0);
93 MODULE_PARM_DESC(disable_discovery, " disable discovery ");
96 * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug.
100 _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp)
102 int ret = param_set_int(val, kp);
103 struct MPT2SAS_ADAPTER *ioc;
108 printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug);
109 list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
110 ioc->fwfault_debug = mpt2sas_fwfault_debug;
114 module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug,
115 param_get_int, &mpt2sas_fwfault_debug, 0644);
118 * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc
119 * @arg: input argument, used to derive ioc
121 * Return 0 if controller is removed from pci subsystem.
122 * Return -1 for other case.
124 static int mpt2sas_remove_dead_ioc_func(void *arg)
126 struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg;
127 struct pci_dev *pdev;
135 pci_remove_bus_device(pdev);
141 * _base_fault_reset_work - workq handling ioc fault conditions
142 * @work: input argument, used to derive ioc
148 _base_fault_reset_work(struct work_struct *work)
150 struct MPT2SAS_ADAPTER *ioc =
151 container_of(work, struct MPT2SAS_ADAPTER, fault_reset_work.work);
155 struct task_struct *p;
157 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
158 if (ioc->shost_recovery)
160 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
162 doorbell = mpt2sas_base_get_iocstate(ioc, 0);
163 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) {
164 printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n",
165 ioc->name, __func__);
168 * Call _scsih_flush_pending_cmds callback so that we flush all
169 * pending commands back to OS. This call is required to aovid
170 * deadlock at block layer. Dead IOC will fail to do diag reset,
171 * and this call is safe since dead ioc will never return any
172 * command back from HW.
174 ioc->schedule_dead_ioc_flush_running_cmds(ioc);
176 * Set remove_host flag early since kernel thread will
177 * take some time to execute.
179 ioc->remove_host = 1;
180 /*Remove the Dead Host */
181 p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc,
182 "mpt2sas_dead_ioc_%d", ioc->id);
184 printk(MPT2SAS_ERR_FMT
185 "%s: Running mpt2sas_dead_ioc thread failed !!!!\n",
186 ioc->name, __func__);
188 printk(MPT2SAS_ERR_FMT
189 "%s: Running mpt2sas_dead_ioc thread success !!!!\n",
190 ioc->name, __func__);
193 return; /* don't rearm timer */
196 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
197 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
199 printk(MPT2SAS_WARN_FMT "%s: hard reset: %s\n", ioc->name,
200 __func__, (rc == 0) ? "success" : "failed");
201 doorbell = mpt2sas_base_get_iocstate(ioc, 0);
202 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
203 mpt2sas_base_fault_info(ioc, doorbell &
204 MPI2_DOORBELL_DATA_MASK);
207 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
209 if (ioc->fault_reset_work_q)
210 queue_delayed_work(ioc->fault_reset_work_q,
211 &ioc->fault_reset_work,
212 msecs_to_jiffies(FAULT_POLLING_INTERVAL));
213 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
217 * mpt2sas_base_start_watchdog - start the fault_reset_work_q
218 * @ioc: per adapter object
224 mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc)
228 if (ioc->fault_reset_work_q)
231 /* initialize fault polling */
232 INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
233 snprintf(ioc->fault_reset_work_q_name,
234 sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id);
235 ioc->fault_reset_work_q =
236 create_singlethread_workqueue(ioc->fault_reset_work_q_name);
237 if (!ioc->fault_reset_work_q) {
238 printk(MPT2SAS_ERR_FMT "%s: failed (line=%d)\n",
239 ioc->name, __func__, __LINE__);
242 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
243 if (ioc->fault_reset_work_q)
244 queue_delayed_work(ioc->fault_reset_work_q,
245 &ioc->fault_reset_work,
246 msecs_to_jiffies(FAULT_POLLING_INTERVAL));
247 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
251 * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q
252 * @ioc: per adapter object
258 mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc)
261 struct workqueue_struct *wq;
263 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
264 wq = ioc->fault_reset_work_q;
265 ioc->fault_reset_work_q = NULL;
266 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
268 if (!cancel_delayed_work(&ioc->fault_reset_work))
270 destroy_workqueue(wq);
275 * mpt2sas_base_fault_info - verbose translation of firmware FAULT code
276 * @ioc: per adapter object
277 * @fault_code: fault code
282 mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code)
284 printk(MPT2SAS_ERR_FMT "fault_state(0x%04x)!\n",
285 ioc->name, fault_code);
289 * mpt2sas_halt_firmware - halt's mpt controller firmware
290 * @ioc: per adapter object
292 * For debugging timeout related issues. Writing 0xCOFFEE00
293 * to the doorbell register will halt controller firmware. With
294 * the purpose to stop both driver and firmware, the enduser can
295 * obtain a ring buffer from controller UART.
298 mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc)
302 if (!ioc->fwfault_debug)
307 doorbell = readl(&ioc->chip->Doorbell);
308 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
309 mpt2sas_base_fault_info(ioc , doorbell);
311 writel(0xC0FFEE00, &ioc->chip->Doorbell);
312 printk(MPT2SAS_ERR_FMT "Firmware is halted due to command "
313 "timeout\n", ioc->name);
316 panic("panic in %s\n", __func__);
319 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
321 * _base_sas_ioc_info - verbose translation of the ioc status
322 * @ioc: per adapter object
323 * @mpi_reply: reply mf payload returned from firmware
324 * @request_hdr: request mf
329 _base_sas_ioc_info(struct MPT2SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply,
330 MPI2RequestHeader_t *request_hdr)
332 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
336 char *func_str = NULL;
338 /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */
339 if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
340 request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
341 request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION)
344 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
347 switch (ioc_status) {
349 /****************************************************************************
350 * Common IOCStatus values for all replies
351 ****************************************************************************/
353 case MPI2_IOCSTATUS_INVALID_FUNCTION:
354 desc = "invalid function";
356 case MPI2_IOCSTATUS_BUSY:
359 case MPI2_IOCSTATUS_INVALID_SGL:
360 desc = "invalid sgl";
362 case MPI2_IOCSTATUS_INTERNAL_ERROR:
363 desc = "internal error";
365 case MPI2_IOCSTATUS_INVALID_VPID:
366 desc = "invalid vpid";
368 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
369 desc = "insufficient resources";
371 case MPI2_IOCSTATUS_INVALID_FIELD:
372 desc = "invalid field";
374 case MPI2_IOCSTATUS_INVALID_STATE:
375 desc = "invalid state";
377 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
378 desc = "op state not supported";
381 /****************************************************************************
382 * Config IOCStatus values
383 ****************************************************************************/
385 case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION:
386 desc = "config invalid action";
388 case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE:
389 desc = "config invalid type";
391 case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE:
392 desc = "config invalid page";
394 case MPI2_IOCSTATUS_CONFIG_INVALID_DATA:
395 desc = "config invalid data";
397 case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS:
398 desc = "config no defaults";
400 case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT:
401 desc = "config cant commit";
404 /****************************************************************************
406 ****************************************************************************/
408 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
409 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
410 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
411 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
412 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
413 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
414 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
415 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
416 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
417 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
418 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
419 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
422 /****************************************************************************
423 * For use by SCSI Initiator and SCSI Target end-to-end data protection
424 ****************************************************************************/
426 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
427 desc = "eedp guard error";
429 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
430 desc = "eedp ref tag error";
432 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
433 desc = "eedp app tag error";
436 /****************************************************************************
438 ****************************************************************************/
440 case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX:
441 desc = "target invalid io index";
443 case MPI2_IOCSTATUS_TARGET_ABORTED:
444 desc = "target aborted";
446 case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE:
447 desc = "target no conn retryable";
449 case MPI2_IOCSTATUS_TARGET_NO_CONNECTION:
450 desc = "target no connection";
452 case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH:
453 desc = "target xfer count mismatch";
455 case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR:
456 desc = "target data offset error";
458 case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA:
459 desc = "target too much write data";
461 case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT:
462 desc = "target iu too short";
464 case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT:
465 desc = "target ack nak timeout";
467 case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED:
468 desc = "target nak received";
471 /****************************************************************************
472 * Serial Attached SCSI values
473 ****************************************************************************/
475 case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED:
476 desc = "smp request failed";
478 case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN:
479 desc = "smp data overrun";
482 /****************************************************************************
483 * Diagnostic Buffer Post / Diagnostic Release values
484 ****************************************************************************/
486 case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED:
487 desc = "diagnostic released";
496 switch (request_hdr->Function) {
497 case MPI2_FUNCTION_CONFIG:
498 frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size;
499 func_str = "config_page";
501 case MPI2_FUNCTION_SCSI_TASK_MGMT:
502 frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t);
503 func_str = "task_mgmt";
505 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
506 frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t);
507 func_str = "sas_iounit_ctl";
509 case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
510 frame_sz = sizeof(Mpi2SepRequest_t);
511 func_str = "enclosure";
513 case MPI2_FUNCTION_IOC_INIT:
514 frame_sz = sizeof(Mpi2IOCInitRequest_t);
515 func_str = "ioc_init";
517 case MPI2_FUNCTION_PORT_ENABLE:
518 frame_sz = sizeof(Mpi2PortEnableRequest_t);
519 func_str = "port_enable";
521 case MPI2_FUNCTION_SMP_PASSTHROUGH:
522 frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size;
523 func_str = "smp_passthru";
527 func_str = "unknown";
531 printk(MPT2SAS_WARN_FMT "ioc_status: %s(0x%04x), request(0x%p),"
532 " (%s)\n", ioc->name, desc, ioc_status, request_hdr, func_str);
534 _debug_dump_mf(request_hdr, frame_sz/4);
538 * _base_display_event_data - verbose translation of firmware asyn events
539 * @ioc: per adapter object
540 * @mpi_reply: reply mf payload returned from firmware
545 _base_display_event_data(struct MPT2SAS_ADAPTER *ioc,
546 Mpi2EventNotificationReply_t *mpi_reply)
551 if (!(ioc->logging_level & MPT_DEBUG_EVENTS))
554 event = le16_to_cpu(mpi_reply->Event);
557 case MPI2_EVENT_LOG_DATA:
560 case MPI2_EVENT_STATE_CHANGE:
561 desc = "Status Change";
563 case MPI2_EVENT_HARD_RESET_RECEIVED:
564 desc = "Hard Reset Received";
566 case MPI2_EVENT_EVENT_CHANGE:
567 desc = "Event Change";
569 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
570 desc = "Device Status Change";
572 case MPI2_EVENT_IR_OPERATION_STATUS:
573 if (!ioc->hide_ir_msg)
574 desc = "IR Operation Status";
576 case MPI2_EVENT_SAS_DISCOVERY:
578 Mpi2EventDataSasDiscovery_t *event_data =
579 (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData;
580 printk(MPT2SAS_INFO_FMT "Discovery: (%s)", ioc->name,
581 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
583 if (event_data->DiscoveryStatus)
584 printk("discovery_status(0x%08x)",
585 le32_to_cpu(event_data->DiscoveryStatus));
589 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
590 desc = "SAS Broadcast Primitive";
592 case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
593 desc = "SAS Init Device Status Change";
595 case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW:
596 desc = "SAS Init Table Overflow";
598 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
599 desc = "SAS Topology Change List";
601 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
602 desc = "SAS Enclosure Device Status Change";
604 case MPI2_EVENT_IR_VOLUME:
605 if (!ioc->hide_ir_msg)
608 case MPI2_EVENT_IR_PHYSICAL_DISK:
609 if (!ioc->hide_ir_msg)
610 desc = "IR Physical Disk";
612 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
613 if (!ioc->hide_ir_msg)
614 desc = "IR Configuration Change List";
616 case MPI2_EVENT_LOG_ENTRY_ADDED:
617 if (!ioc->hide_ir_msg)
618 desc = "Log Entry Added";
625 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, desc);
630 * _base_sas_log_info - verbose translation of firmware log info
631 * @ioc: per adapter object
632 * @log_info: log info
637 _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info)
648 union loginfo_type sas_loginfo;
649 char *originator_str = NULL;
651 sas_loginfo.loginfo = log_info;
652 if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
655 /* each nexus loss loginfo */
656 if (log_info == 0x31170000)
659 /* eat the loginfos associated with task aborts */
660 if (ioc->ignore_loginfos && (log_info == 30050000 || log_info ==
661 0x31140000 || log_info == 0x31130000))
664 switch (sas_loginfo.dw.originator) {
666 originator_str = "IOP";
669 originator_str = "PL";
672 if (!ioc->hide_ir_msg)
673 originator_str = "IR";
675 originator_str = "WarpDrive";
679 printk(MPT2SAS_WARN_FMT "log_info(0x%08x): originator(%s), "
680 "code(0x%02x), sub_code(0x%04x)\n", ioc->name, log_info,
681 originator_str, sas_loginfo.dw.code,
682 sas_loginfo.dw.subcode);
686 * _base_display_reply_info -
687 * @ioc: per adapter object
688 * @smid: system request message index
689 * @msix_index: MSIX table index supplied by the OS
690 * @reply: reply message frame(lower 32bit addr)
695 _base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
698 MPI2DefaultReply_t *mpi_reply;
701 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
702 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
703 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
704 if ((ioc_status & MPI2_IOCSTATUS_MASK) &&
705 (ioc->logging_level & MPT_DEBUG_REPLY)) {
706 _base_sas_ioc_info(ioc , mpi_reply,
707 mpt2sas_base_get_msg_frame(ioc, smid));
710 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
711 _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo));
715 * mpt2sas_base_done - base internal command completion routine
716 * @ioc: per adapter object
717 * @smid: system request message index
718 * @msix_index: MSIX table index supplied by the OS
719 * @reply: reply message frame(lower 32bit addr)
721 * Return 1 meaning mf should be freed from _base_interrupt
722 * 0 means the mf is freed from this function.
725 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
728 MPI2DefaultReply_t *mpi_reply;
730 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
731 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
734 if (ioc->base_cmds.status == MPT2_CMD_NOT_USED)
737 ioc->base_cmds.status |= MPT2_CMD_COMPLETE;
739 ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID;
740 memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
742 ioc->base_cmds.status &= ~MPT2_CMD_PENDING;
744 complete(&ioc->base_cmds.done);
749 * _base_async_event - main callback handler for firmware asyn events
750 * @ioc: per adapter object
751 * @msix_index: MSIX table index supplied by the OS
752 * @reply: reply message frame(lower 32bit addr)
754 * Return 1 meaning mf should be freed from _base_interrupt
755 * 0 means the mf is freed from this function.
758 _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
760 Mpi2EventNotificationReply_t *mpi_reply;
761 Mpi2EventAckRequest_t *ack_request;
764 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
767 if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
769 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
770 _base_display_event_data(ioc, mpi_reply);
772 if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED))
774 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
776 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
777 ioc->name, __func__);
781 ack_request = mpt2sas_base_get_msg_frame(ioc, smid);
782 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
783 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
784 ack_request->Event = mpi_reply->Event;
785 ack_request->EventContext = mpi_reply->EventContext;
786 ack_request->VF_ID = 0; /* TODO */
787 ack_request->VP_ID = 0;
788 mpt2sas_base_put_smid_default(ioc, smid);
792 /* scsih callback handler */
793 mpt2sas_scsih_event_callback(ioc, msix_index, reply);
795 /* ctl callback handler */
796 mpt2sas_ctl_event_callback(ioc, msix_index, reply);
802 * _base_get_cb_idx - obtain the callback index
803 * @ioc: per adapter object
804 * @smid: system request message index
806 * Return callback index.
809 _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid)
814 if (smid < ioc->hi_priority_smid) {
816 cb_idx = ioc->scsi_lookup[i].cb_idx;
817 } else if (smid < ioc->internal_smid) {
818 i = smid - ioc->hi_priority_smid;
819 cb_idx = ioc->hpr_lookup[i].cb_idx;
820 } else if (smid <= ioc->hba_queue_depth) {
821 i = smid - ioc->internal_smid;
822 cb_idx = ioc->internal_lookup[i].cb_idx;
829 * _base_mask_interrupts - disable interrupts
830 * @ioc: per adapter object
832 * Disabling ResetIRQ, Reply and Doorbell Interrupts
837 _base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc)
841 ioc->mask_interrupts = 1;
842 him_register = readl(&ioc->chip->HostInterruptMask);
843 him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK;
844 writel(him_register, &ioc->chip->HostInterruptMask);
845 readl(&ioc->chip->HostInterruptMask);
849 * _base_unmask_interrupts - enable interrupts
850 * @ioc: per adapter object
852 * Enabling only Reply Interrupts
857 _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc)
861 him_register = readl(&ioc->chip->HostInterruptMask);
862 him_register &= ~MPI2_HIM_RIM;
863 writel(him_register, &ioc->chip->HostInterruptMask);
864 ioc->mask_interrupts = 0;
867 union reply_descriptor {
876 * _base_interrupt - MPT adapter (IOC) specific interrupt handler.
877 * @irq: irq number (not used)
878 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
879 * @r: pt_regs pointer (not used)
881 * Return IRQ_HANDLE if processed, else IRQ_NONE.
884 _base_interrupt(int irq, void *bus_id)
886 struct adapter_reply_queue *reply_q = bus_id;
887 union reply_descriptor rd;
889 u8 request_desript_type;
893 u8 msix_index = reply_q->msix_index;
894 struct MPT2SAS_ADAPTER *ioc = reply_q->ioc;
895 Mpi2ReplyDescriptorsUnion_t *rpf;
898 if (ioc->mask_interrupts)
901 if (!atomic_add_unless(&reply_q->busy, 1, 1))
904 rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index];
905 request_desript_type = rpf->Default.ReplyFlags
906 & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
907 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
908 atomic_dec(&reply_q->busy);
915 rd.word = le64_to_cpu(rpf->Words);
916 if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
919 smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
920 if (request_desript_type ==
921 MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
923 (rpf->AddressReply.ReplyFrameAddress);
924 if (reply > ioc->reply_dma_max_address ||
925 reply < ioc->reply_dma_min_address)
927 } else if (request_desript_type ==
928 MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER)
930 else if (request_desript_type ==
931 MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS)
934 cb_idx = _base_get_cb_idx(ioc, smid);
935 if (smid && cb_idx != 0xFF) {
936 rc = mpt_callbacks[cb_idx](ioc, smid, msix_index,
939 _base_display_reply_info(ioc, smid, msix_index,
942 mpt2sas_base_free_smid(ioc, smid);
945 _base_async_event(ioc, msix_index, reply);
947 /* reply free queue handling */
949 ioc->reply_free_host_index =
950 (ioc->reply_free_host_index ==
951 (ioc->reply_free_queue_depth - 1)) ?
952 0 : ioc->reply_free_host_index + 1;
953 ioc->reply_free[ioc->reply_free_host_index] =
956 writel(ioc->reply_free_host_index,
957 &ioc->chip->ReplyFreeHostIndex);
962 rpf->Words = cpu_to_le64(ULLONG_MAX);
963 reply_q->reply_post_host_index =
964 (reply_q->reply_post_host_index ==
965 (ioc->reply_post_queue_depth - 1)) ? 0 :
966 reply_q->reply_post_host_index + 1;
967 request_desript_type =
968 reply_q->reply_post_free[reply_q->reply_post_host_index].
969 Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
971 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
973 if (!reply_q->reply_post_host_index)
974 rpf = reply_q->reply_post_free;
981 if (!completed_cmds) {
982 atomic_dec(&reply_q->busy);
986 if (ioc->is_warpdrive) {
987 writel(reply_q->reply_post_host_index,
988 ioc->reply_post_host_index[msix_index]);
989 atomic_dec(&reply_q->busy);
992 writel(reply_q->reply_post_host_index | (msix_index <<
993 MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex);
994 atomic_dec(&reply_q->busy);
999 * _base_is_controller_msix_enabled - is controller support muli-reply queues
1000 * @ioc: per adapter object
1004 _base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc)
1006 return (ioc->facts.IOCCapabilities &
1007 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable;
1011 * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues
1012 * @ioc: per adapter object
1013 * Context: ISR conext
1015 * Called when a Task Management request has completed. We want
1016 * to flush the other reply queues so all the outstanding IO has been
1017 * completed back to OS before we process the TM completetion.
1022 mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc)
1024 struct adapter_reply_queue *reply_q;
1026 /* If MSIX capability is turned off
1027 * then multi-queues are not enabled
1029 if (!_base_is_controller_msix_enabled(ioc))
1032 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
1033 if (ioc->shost_recovery)
1035 /* TMs are on msix_index == 0 */
1036 if (reply_q->msix_index == 0)
1038 _base_interrupt(reply_q->vector, (void *)reply_q);
1043 * mpt2sas_base_release_callback_handler - clear interrupt callback handler
1044 * @cb_idx: callback index
1049 mpt2sas_base_release_callback_handler(u8 cb_idx)
1051 mpt_callbacks[cb_idx] = NULL;
1055 * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler
1056 * @cb_func: callback function
1061 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func)
1065 for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--)
1066 if (mpt_callbacks[cb_idx] == NULL)
1069 mpt_callbacks[cb_idx] = cb_func;
1074 * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler
1079 mpt2sas_base_initialize_callback_handler(void)
1083 for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++)
1084 mpt2sas_base_release_callback_handler(cb_idx);
1088 * mpt2sas_base_build_zero_len_sge - build zero length sg entry
1089 * @ioc: per adapter object
1090 * @paddr: virtual address for SGE
1092 * Create a zero length scatter gather entry to insure the IOCs hardware has
1093 * something to use if the target device goes brain dead and tries
1094 * to send data even when none is asked for.
1099 mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr)
1101 u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT |
1102 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST |
1103 MPI2_SGE_FLAGS_SIMPLE_ELEMENT) <<
1104 MPI2_SGE_FLAGS_SHIFT);
1105 ioc->base_add_sg_single(paddr, flags_length, -1);
1109 * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr.
1110 * @paddr: virtual address for SGE
1111 * @flags_length: SGE flags and data transfer length
1112 * @dma_addr: Physical address
1117 _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr)
1119 Mpi2SGESimple32_t *sgel = paddr;
1121 flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING |
1122 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
1123 sgel->FlagsLength = cpu_to_le32(flags_length);
1124 sgel->Address = cpu_to_le32(dma_addr);
1129 * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr.
1130 * @paddr: virtual address for SGE
1131 * @flags_length: SGE flags and data transfer length
1132 * @dma_addr: Physical address
1137 _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr)
1139 Mpi2SGESimple64_t *sgel = paddr;
1141 flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING |
1142 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
1143 sgel->FlagsLength = cpu_to_le32(flags_length);
1144 sgel->Address = cpu_to_le64(dma_addr);
1147 #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
1150 * _base_config_dma_addressing - set dma addressing
1151 * @ioc: per adapter object
1152 * @pdev: PCI device struct
1154 * Returns 0 for success, non-zero for failure.
1157 _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev)
1162 if (sizeof(dma_addr_t) > 4) {
1163 const uint64_t required_mask =
1164 dma_get_required_mask(&pdev->dev);
1165 if ((required_mask > DMA_BIT_MASK(32)) && !pci_set_dma_mask(pdev,
1166 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(pdev,
1167 DMA_BIT_MASK(64))) {
1168 ioc->base_add_sg_single = &_base_add_sg_single_64;
1169 ioc->sge_size = sizeof(Mpi2SGESimple64_t);
1175 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1176 && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
1177 ioc->base_add_sg_single = &_base_add_sg_single_32;
1178 ioc->sge_size = sizeof(Mpi2SGESimple32_t);
1185 printk(MPT2SAS_INFO_FMT "%s BIT PCI BUS DMA ADDRESSING SUPPORTED, "
1186 "total mem (%ld kB)\n", ioc->name, desc, convert_to_kb(s.totalram));
1192 * _base_check_enable_msix - checks MSIX capabable.
1193 * @ioc: per adapter object
1195 * Check to see if card is capable of MSIX, and set number
1196 * of available msix vectors
1199 _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc)
1202 u16 message_control;
1205 base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
1207 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not "
1208 "supported\n", ioc->name));
1212 /* get msix vector count */
1213 /* NUMA_IO not supported for older controllers */
1214 if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 ||
1215 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 ||
1216 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 ||
1217 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 ||
1218 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 ||
1219 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 ||
1220 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2)
1221 ioc->msix_vector_count = 1;
1223 pci_read_config_word(ioc->pdev, base + 2, &message_control);
1224 ioc->msix_vector_count = (message_control & 0x3FF) + 1;
1226 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, "
1227 "vector_count(%d)\n", ioc->name, ioc->msix_vector_count));
1233 * _base_free_irq - free irq
1234 * @ioc: per adapter object
1236 * Freeing respective reply_queue from the list.
1239 _base_free_irq(struct MPT2SAS_ADAPTER *ioc)
1241 struct adapter_reply_queue *reply_q, *next;
1243 if (list_empty(&ioc->reply_queue_list))
1246 list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
1247 list_del(&reply_q->list);
1248 synchronize_irq(reply_q->vector);
1249 free_irq(reply_q->vector, reply_q);
1255 * _base_request_irq - request irq
1256 * @ioc: per adapter object
1257 * @index: msix index into vector table
1258 * @vector: irq vector
1260 * Inserting respective reply_queue into the list.
1263 _base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector)
1265 struct adapter_reply_queue *reply_q;
1268 reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL);
1270 printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n",
1271 ioc->name, (int)sizeof(struct adapter_reply_queue));
1275 reply_q->msix_index = index;
1276 reply_q->vector = vector;
1277 atomic_set(&reply_q->busy, 0);
1278 if (ioc->msix_enable)
1279 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
1280 MPT2SAS_DRIVER_NAME, ioc->id, index);
1282 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
1283 MPT2SAS_DRIVER_NAME, ioc->id);
1284 r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name,
1287 printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n",
1288 reply_q->name, vector);
1293 INIT_LIST_HEAD(&reply_q->list);
1294 list_add_tail(&reply_q->list, &ioc->reply_queue_list);
1299 * _base_assign_reply_queues - assigning msix index for each cpu
1300 * @ioc: per adapter object
1302 * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
1304 * It would nice if we could call irq_set_affinity, however it is not
1305 * an exported symbol
1308 _base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc)
1310 struct adapter_reply_queue *reply_q;
1312 int cpu_grouping, loop, grouping, grouping_mod;
1314 if (!_base_is_controller_msix_enabled(ioc))
1317 memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz);
1318 /* when there are more cpus than available msix vectors,
1319 * then group cpus togeather on same irq
1321 if (ioc->cpu_count > ioc->msix_vector_count) {
1322 grouping = ioc->cpu_count / ioc->msix_vector_count;
1323 grouping_mod = ioc->cpu_count % ioc->msix_vector_count;
1324 if (grouping < 2 || (grouping == 2 && !grouping_mod))
1326 else if (grouping < 4 || (grouping == 4 && !grouping_mod))
1328 else if (grouping < 8 || (grouping == 8 && !grouping_mod))
1336 reply_q = list_entry(ioc->reply_queue_list.next,
1337 struct adapter_reply_queue, list);
1338 for_each_online_cpu(cpu_id) {
1339 if (!cpu_grouping) {
1340 ioc->cpu_msix_table[cpu_id] = reply_q->msix_index;
1341 reply_q = list_entry(reply_q->list.next,
1342 struct adapter_reply_queue, list);
1344 if (loop < cpu_grouping) {
1345 ioc->cpu_msix_table[cpu_id] =
1346 reply_q->msix_index;
1349 reply_q = list_entry(reply_q->list.next,
1350 struct adapter_reply_queue, list);
1351 ioc->cpu_msix_table[cpu_id] =
1352 reply_q->msix_index;
1360 * _base_disable_msix - disables msix
1361 * @ioc: per adapter object
1365 _base_disable_msix(struct MPT2SAS_ADAPTER *ioc)
1367 if (ioc->msix_enable) {
1368 pci_disable_msix(ioc->pdev);
1369 ioc->msix_enable = 0;
1374 * _base_enable_msix - enables msix, failback to io_apic
1375 * @ioc: per adapter object
1379 _base_enable_msix(struct MPT2SAS_ADAPTER *ioc)
1381 struct msix_entry *entries, *a;
1386 INIT_LIST_HEAD(&ioc->reply_queue_list);
1388 if (msix_disable == -1 || msix_disable == 0)
1394 if (_base_check_enable_msix(ioc) != 0)
1397 ioc->reply_queue_count = min_t(int, ioc->cpu_count,
1398 ioc->msix_vector_count);
1400 entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry),
1403 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc "
1404 "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__,
1405 __LINE__, __func__));
1409 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++)
1412 r = pci_enable_msix(ioc->pdev, entries, ioc->reply_queue_count);
1414 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "pci_enable_msix "
1415 "failed (r=%d) !!!\n", ioc->name, r));
1420 ioc->msix_enable = 1;
1421 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) {
1422 r = _base_request_irq(ioc, i, a->vector);
1424 _base_free_irq(ioc);
1425 _base_disable_msix(ioc);
1434 /* failback to io_apic interrupt routing */
1437 r = _base_request_irq(ioc, 0, ioc->pdev->irq);
1443 * mpt2sas_base_map_resources - map in controller resources (io/irq/memap)
1444 * @ioc: per adapter object
1446 * Returns 0 for success, non-zero for failure.
1449 mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
1451 struct pci_dev *pdev = ioc->pdev;
1457 struct adapter_reply_queue *reply_q;
1459 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n",
1460 ioc->name, __func__));
1462 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1463 if (pci_enable_device_mem(pdev)) {
1464 printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: "
1465 "failed\n", ioc->name);
1470 if (pci_request_selected_regions(pdev, ioc->bars,
1471 MPT2SAS_DRIVER_NAME)) {
1472 printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: "
1473 "failed\n", ioc->name);
1478 /* AER (Advanced Error Reporting) hooks */
1479 pci_enable_pcie_error_reporting(pdev);
1481 pci_set_master(pdev);
1483 if (_base_config_dma_addressing(ioc, pdev) != 0) {
1484 printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n",
1485 ioc->name, pci_name(pdev));
1490 for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) {
1491 if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
1494 pio_chip = (u64)pci_resource_start(pdev, i);
1495 pio_sz = pci_resource_len(pdev, i);
1499 /* verify memory resource is valid before using */
1500 if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
1501 ioc->chip_phys = pci_resource_start(pdev, i);
1502 chip_phys = (u64)ioc->chip_phys;
1503 memap_sz = pci_resource_len(pdev, i);
1504 ioc->chip = ioremap(ioc->chip_phys, memap_sz);
1505 if (ioc->chip == NULL) {
1506 printk(MPT2SAS_ERR_FMT "unable to map "
1507 "adapter memory!\n", ioc->name);
1515 _base_mask_interrupts(ioc);
1516 r = _base_enable_msix(ioc);
1520 list_for_each_entry(reply_q, &ioc->reply_queue_list, list)
1521 printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n",
1522 reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
1523 "IO-APIC enabled"), reply_q->vector);
1525 printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
1526 ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz);
1527 printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n",
1528 ioc->name, (unsigned long long)pio_chip, pio_sz);
1530 /* Save PCI configuration state for recovery from PCI AER/EEH errors */
1531 pci_save_state(pdev);
1539 pci_release_selected_regions(ioc->pdev, ioc->bars);
1540 pci_disable_pcie_error_reporting(pdev);
1541 pci_disable_device(pdev);
1546 * mpt2sas_base_get_msg_frame - obtain request mf pointer
1547 * @ioc: per adapter object
1548 * @smid: system request message index(smid zero is invalid)
1550 * Returns virt pointer to message frame.
1553 mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1555 return (void *)(ioc->request + (smid * ioc->request_sz));
1559 * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request
1560 * @ioc: per adapter object
1561 * @smid: system request message index
1563 * Returns virt pointer to sense buffer.
1566 mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1568 return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
1572 * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request
1573 * @ioc: per adapter object
1574 * @smid: system request message index
1576 * Returns phys pointer to the low 32bit address of the sense buffer.
1579 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1581 return cpu_to_le32(ioc->sense_dma +
1582 ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
1586 * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address
1587 * @ioc: per adapter object
1588 * @phys_addr: lower 32 physical addr of the reply
1590 * Converts 32bit lower physical addr into a virt address.
1593 mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr)
1597 return ioc->reply + (phys_addr - (u32)ioc->reply_dma);
1601 * mpt2sas_base_get_smid - obtain a free smid from internal queue
1602 * @ioc: per adapter object
1603 * @cb_idx: callback index
1605 * Returns smid (zero is invalid)
1608 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx)
1610 unsigned long flags;
1611 struct request_tracker *request;
1614 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1615 if (list_empty(&ioc->internal_free_list)) {
1616 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1617 printk(MPT2SAS_ERR_FMT "%s: smid not available\n",
1618 ioc->name, __func__);
1622 request = list_entry(ioc->internal_free_list.next,
1623 struct request_tracker, tracker_list);
1624 request->cb_idx = cb_idx;
1625 smid = request->smid;
1626 list_del(&request->tracker_list);
1627 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1632 * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue
1633 * @ioc: per adapter object
1634 * @cb_idx: callback index
1635 * @scmd: pointer to scsi command object
1637 * Returns smid (zero is invalid)
1640 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
1641 struct scsi_cmnd *scmd)
1643 unsigned long flags;
1644 struct scsiio_tracker *request;
1647 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1648 if (list_empty(&ioc->free_list)) {
1649 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1650 printk(MPT2SAS_ERR_FMT "%s: smid not available\n",
1651 ioc->name, __func__);
1655 request = list_entry(ioc->free_list.next,
1656 struct scsiio_tracker, tracker_list);
1657 request->scmd = scmd;
1658 request->cb_idx = cb_idx;
1659 smid = request->smid;
1660 list_del(&request->tracker_list);
1661 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1666 * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue
1667 * @ioc: per adapter object
1668 * @cb_idx: callback index
1670 * Returns smid (zero is invalid)
1673 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx)
1675 unsigned long flags;
1676 struct request_tracker *request;
1679 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1680 if (list_empty(&ioc->hpr_free_list)) {
1681 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1685 request = list_entry(ioc->hpr_free_list.next,
1686 struct request_tracker, tracker_list);
1687 request->cb_idx = cb_idx;
1688 smid = request->smid;
1689 list_del(&request->tracker_list);
1690 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1696 * mpt2sas_base_free_smid - put smid back on free_list
1697 * @ioc: per adapter object
1698 * @smid: system request message index
1703 mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1705 unsigned long flags;
1707 struct chain_tracker *chain_req, *next;
1709 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1710 if (smid < ioc->hi_priority_smid) {
1713 if (!list_empty(&ioc->scsi_lookup[i].chain_list)) {
1714 list_for_each_entry_safe(chain_req, next,
1715 &ioc->scsi_lookup[i].chain_list, tracker_list) {
1716 list_del_init(&chain_req->tracker_list);
1717 list_add_tail(&chain_req->tracker_list,
1718 &ioc->free_chain_list);
1721 ioc->scsi_lookup[i].cb_idx = 0xFF;
1722 ioc->scsi_lookup[i].scmd = NULL;
1723 ioc->scsi_lookup[i].direct_io = 0;
1724 list_add_tail(&ioc->scsi_lookup[i].tracker_list,
1726 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1729 * See _wait_for_commands_to_complete() call with regards
1732 if (ioc->shost_recovery && ioc->pending_io_count) {
1733 if (ioc->pending_io_count == 1)
1734 wake_up(&ioc->reset_wq);
1735 ioc->pending_io_count--;
1738 } else if (smid < ioc->internal_smid) {
1740 i = smid - ioc->hi_priority_smid;
1741 ioc->hpr_lookup[i].cb_idx = 0xFF;
1742 list_add_tail(&ioc->hpr_lookup[i].tracker_list,
1743 &ioc->hpr_free_list);
1744 } else if (smid <= ioc->hba_queue_depth) {
1745 /* internal queue */
1746 i = smid - ioc->internal_smid;
1747 ioc->internal_lookup[i].cb_idx = 0xFF;
1748 list_add_tail(&ioc->internal_lookup[i].tracker_list,
1749 &ioc->internal_free_list);
1751 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1755 * _base_writeq - 64 bit write to MMIO
1756 * @ioc: per adapter object
1758 * @addr: address in MMIO space
1759 * @writeq_lock: spin lock
1761 * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
1762 * care of 32 bit environment where its not quarenteed to send the entire word
1766 static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
1767 spinlock_t *writeq_lock)
1769 unsigned long flags;
1770 __u64 data_out = cpu_to_le64(b);
1772 spin_lock_irqsave(writeq_lock, flags);
1773 writel((u32)(data_out), addr);
1774 writel((u32)(data_out >> 32), (addr + 4));
1775 spin_unlock_irqrestore(writeq_lock, flags);
1778 static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
1779 spinlock_t *writeq_lock)
1781 writeq(cpu_to_le64(b), addr);
1786 _base_get_msix_index(struct MPT2SAS_ADAPTER *ioc)
1788 return ioc->cpu_msix_table[smp_processor_id()];
1792 * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware
1793 * @ioc: per adapter object
1794 * @smid: system request message index
1795 * @handle: device handle
1800 mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle)
1802 Mpi2RequestDescriptorUnion_t descriptor;
1803 u64 *request = (u64 *)&descriptor;
1806 descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
1807 descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc);
1808 descriptor.SCSIIO.SMID = cpu_to_le16(smid);
1809 descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
1810 descriptor.SCSIIO.LMID = 0;
1811 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1812 &ioc->scsi_lookup_lock);
1817 * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware
1818 * @ioc: per adapter object
1819 * @smid: system request message index
1824 mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1826 Mpi2RequestDescriptorUnion_t descriptor;
1827 u64 *request = (u64 *)&descriptor;
1829 descriptor.HighPriority.RequestFlags =
1830 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1831 descriptor.HighPriority.MSIxIndex = 0;
1832 descriptor.HighPriority.SMID = cpu_to_le16(smid);
1833 descriptor.HighPriority.LMID = 0;
1834 descriptor.HighPriority.Reserved1 = 0;
1835 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1836 &ioc->scsi_lookup_lock);
1840 * mpt2sas_base_put_smid_default - Default, primarily used for config pages
1841 * @ioc: per adapter object
1842 * @smid: system request message index
1847 mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1849 Mpi2RequestDescriptorUnion_t descriptor;
1850 u64 *request = (u64 *)&descriptor;
1852 descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1853 descriptor.Default.MSIxIndex = _base_get_msix_index(ioc);
1854 descriptor.Default.SMID = cpu_to_le16(smid);
1855 descriptor.Default.LMID = 0;
1856 descriptor.Default.DescriptorTypeDependent = 0;
1857 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1858 &ioc->scsi_lookup_lock);
1862 * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware
1863 * @ioc: per adapter object
1864 * @smid: system request message index
1865 * @io_index: value used to track the IO
1870 mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1873 Mpi2RequestDescriptorUnion_t descriptor;
1874 u64 *request = (u64 *)&descriptor;
1876 descriptor.SCSITarget.RequestFlags =
1877 MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET;
1878 descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc);
1879 descriptor.SCSITarget.SMID = cpu_to_le16(smid);
1880 descriptor.SCSITarget.LMID = 0;
1881 descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index);
1882 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1883 &ioc->scsi_lookup_lock);
1887 * _base_display_dell_branding - Disply branding string
1888 * @ioc: per adapter object
1893 _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc)
1895 char dell_branding[MPT2SAS_DELL_BRANDING_SIZE];
1897 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL)
1900 memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE);
1901 switch (ioc->pdev->subsystem_device) {
1902 case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
1903 strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING,
1904 MPT2SAS_DELL_BRANDING_SIZE - 1);
1906 case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
1907 strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING,
1908 MPT2SAS_DELL_BRANDING_SIZE - 1);
1910 case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
1911 strncpy(dell_branding,
1912 MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING,
1913 MPT2SAS_DELL_BRANDING_SIZE - 1);
1915 case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
1916 strncpy(dell_branding,
1917 MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING,
1918 MPT2SAS_DELL_BRANDING_SIZE - 1);
1920 case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
1921 strncpy(dell_branding,
1922 MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING,
1923 MPT2SAS_DELL_BRANDING_SIZE - 1);
1925 case MPT2SAS_DELL_PERC_H200_SSDID:
1926 strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING,
1927 MPT2SAS_DELL_BRANDING_SIZE - 1);
1929 case MPT2SAS_DELL_6GBPS_SAS_SSDID:
1930 strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING,
1931 MPT2SAS_DELL_BRANDING_SIZE - 1);
1934 sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device);
1938 printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X),"
1939 " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding,
1940 ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor,
1941 ioc->pdev->subsystem_device);
1945 * _base_display_intel_branding - Display branding string
1946 * @ioc: per adapter object
1951 _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc)
1953 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL)
1956 switch (ioc->pdev->device) {
1957 case MPI2_MFGPAGE_DEVID_SAS2008:
1958 switch (ioc->pdev->subsystem_device) {
1959 case MPT2SAS_INTEL_RMS2LL080_SSDID:
1960 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1961 MPT2SAS_INTEL_RMS2LL080_BRANDING);
1963 case MPT2SAS_INTEL_RMS2LL040_SSDID:
1964 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1965 MPT2SAS_INTEL_RMS2LL040_BRANDING);
1967 case MPT2SAS_INTEL_RAMSDALE_SSDID:
1968 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1969 MPT2SAS_INTEL_RAMSDALE_BRANDING);
1974 case MPI2_MFGPAGE_DEVID_SAS2308_2:
1975 switch (ioc->pdev->subsystem_device) {
1976 case MPT2SAS_INTEL_RS25GB008_SSDID:
1977 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1978 MPT2SAS_INTEL_RS25GB008_BRANDING);
1980 case MPT2SAS_INTEL_RMS25JB080_SSDID:
1981 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1982 MPT2SAS_INTEL_RMS25JB080_BRANDING);
1984 case MPT2SAS_INTEL_RMS25JB040_SSDID:
1985 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1986 MPT2SAS_INTEL_RMS25JB040_BRANDING);
1988 case MPT2SAS_INTEL_RMS25KB080_SSDID:
1989 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1990 MPT2SAS_INTEL_RMS25KB080_BRANDING);
1992 case MPT2SAS_INTEL_RMS25KB040_SSDID:
1993 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1994 MPT2SAS_INTEL_RMS25KB040_BRANDING);
2005 * _base_display_hp_branding - Display branding string
2006 * @ioc: per adapter object
2011 _base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc)
2013 if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID)
2016 switch (ioc->pdev->device) {
2017 case MPI2_MFGPAGE_DEVID_SAS2004:
2018 switch (ioc->pdev->subsystem_device) {
2019 case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID:
2020 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2021 MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING);
2026 case MPI2_MFGPAGE_DEVID_SAS2308_2:
2027 switch (ioc->pdev->subsystem_device) {
2028 case MPT2SAS_HP_2_4_INTERNAL_SSDID:
2029 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2030 MPT2SAS_HP_2_4_INTERNAL_BRANDING);
2032 case MPT2SAS_HP_2_4_EXTERNAL_SSDID:
2033 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2034 MPT2SAS_HP_2_4_EXTERNAL_BRANDING);
2036 case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID:
2037 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2038 MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING);
2040 case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID:
2041 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2042 MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING);
2053 * _base_display_ioc_capabilities - Disply IOC's capabilities.
2054 * @ioc: per adapter object
2059 _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
2064 u32 iounit_pg1_flags;
2067 bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
2068 pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision);
2069 strncpy(desc, ioc->manu_pg0.ChipName, 16);
2070 printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "
2071 "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
2073 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
2074 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
2075 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
2076 ioc->facts.FWVersion.Word & 0x000000FF,
2078 (bios_version & 0xFF000000) >> 24,
2079 (bios_version & 0x00FF0000) >> 16,
2080 (bios_version & 0x0000FF00) >> 8,
2081 bios_version & 0x000000FF);
2083 _base_display_dell_branding(ioc);
2084 _base_display_intel_branding(ioc);
2085 _base_display_hp_branding(ioc);
2087 printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name);
2089 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) {
2090 printk("Initiator");
2094 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) {
2095 printk("%sTarget", i ? "," : "");
2101 printk("Capabilities=(");
2103 if (!ioc->hide_ir_msg) {
2104 if (ioc->facts.IOCCapabilities &
2105 MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) {
2111 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) {
2112 printk("%sTLR", i ? "," : "");
2116 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) {
2117 printk("%sMulticast", i ? "," : "");
2121 if (ioc->facts.IOCCapabilities &
2122 MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) {
2123 printk("%sBIDI Target", i ? "," : "");
2127 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) {
2128 printk("%sEEDP", i ? "," : "");
2132 if (ioc->facts.IOCCapabilities &
2133 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) {
2134 printk("%sSnapshot Buffer", i ? "," : "");
2138 if (ioc->facts.IOCCapabilities &
2139 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) {
2140 printk("%sDiag Trace Buffer", i ? "," : "");
2144 if (ioc->facts.IOCCapabilities &
2145 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) {
2146 printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : "");
2150 if (ioc->facts.IOCCapabilities &
2151 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) {
2152 printk("%sTask Set Full", i ? "," : "");
2156 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
2157 if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) {
2158 printk("%sNCQ", i ? "," : "");
2166 * _base_update_missing_delay - change the missing delay timers
2167 * @ioc: per adapter object
2168 * @device_missing_delay: amount of time till device is reported missing
2169 * @io_missing_delay: interval IO is returned when there is a missing device
2173 * Passed on the command line, this function will modify the device missing
2174 * delay, as well as the io missing delay. This should be called at driver
2178 _base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
2179 u16 device_missing_delay, u8 io_missing_delay)
2181 u16 dmd, dmd_new, dmd_orignal;
2182 u8 io_missing_delay_original;
2184 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
2185 Mpi2ConfigReply_t mpi_reply;
2189 mpt2sas_config_get_number_hba_phys(ioc, &num_phys);
2193 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
2194 sizeof(Mpi2SasIOUnit1PhyData_t));
2195 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
2196 if (!sas_iounit_pg1) {
2197 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2198 ioc->name, __FILE__, __LINE__, __func__);
2201 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
2202 sas_iounit_pg1, sz))) {
2203 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2204 ioc->name, __FILE__, __LINE__, __func__);
2207 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
2208 MPI2_IOCSTATUS_MASK;
2209 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
2210 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2211 ioc->name, __FILE__, __LINE__, __func__);
2215 /* device missing delay */
2216 dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
2217 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
2218 dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
2220 dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2222 if (device_missing_delay > 0x7F) {
2223 dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
2224 device_missing_delay;
2226 dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
2228 dmd = device_missing_delay;
2229 sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
2231 /* io missing delay */
2232 io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
2233 sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
2235 if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
2237 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
2239 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
2242 dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2243 printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), "
2244 "new(%d)\n", ioc->name, dmd_orignal, dmd_new);
2245 printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), "
2246 "new(%d)\n", ioc->name, io_missing_delay_original,
2248 ioc->device_missing_delay = dmd_new;
2249 ioc->io_missing_delay = io_missing_delay;
2253 kfree(sas_iounit_pg1);
2257 * _base_static_config_pages - static start of day config pages
2258 * @ioc: per adapter object
2263 _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
2265 Mpi2ConfigReply_t mpi_reply;
2266 u32 iounit_pg1_flags;
2268 mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
2269 if (ioc->ir_firmware)
2270 mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
2272 mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
2273 mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
2274 mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
2275 mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
2276 mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
2277 _base_display_ioc_capabilities(ioc);
2280 * Enable task_set_full handling in iounit_pg1 when the
2281 * facts capabilities indicate that its supported.
2283 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
2284 if ((ioc->facts.IOCCapabilities &
2285 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING))
2287 ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
2290 MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
2291 ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
2292 mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
2297 * _base_release_memory_pools - release memory
2298 * @ioc: per adapter object
2300 * Free memory allocated from _base_allocate_memory_pools.
2305 _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
2309 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2313 pci_free_consistent(ioc->pdev, ioc->request_dma_sz,
2314 ioc->request, ioc->request_dma);
2315 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)"
2316 ": free\n", ioc->name, ioc->request));
2317 ioc->request = NULL;
2321 pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
2322 if (ioc->sense_dma_pool)
2323 pci_pool_destroy(ioc->sense_dma_pool);
2324 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)"
2325 ": free\n", ioc->name, ioc->sense));
2330 pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
2331 if (ioc->reply_dma_pool)
2332 pci_pool_destroy(ioc->reply_dma_pool);
2333 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)"
2334 ": free\n", ioc->name, ioc->reply));
2338 if (ioc->reply_free) {
2339 pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
2340 ioc->reply_free_dma);
2341 if (ioc->reply_free_dma_pool)
2342 pci_pool_destroy(ioc->reply_free_dma_pool);
2343 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool"
2344 "(0x%p): free\n", ioc->name, ioc->reply_free));
2345 ioc->reply_free = NULL;
2348 if (ioc->reply_post_free) {
2349 pci_pool_free(ioc->reply_post_free_dma_pool,
2350 ioc->reply_post_free, ioc->reply_post_free_dma);
2351 if (ioc->reply_post_free_dma_pool)
2352 pci_pool_destroy(ioc->reply_post_free_dma_pool);
2353 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT
2354 "reply_post_free_pool(0x%p): free\n", ioc->name,
2355 ioc->reply_post_free));
2356 ioc->reply_post_free = NULL;
2359 if (ioc->config_page) {
2360 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT
2361 "config_page(0x%p): free\n", ioc->name,
2363 pci_free_consistent(ioc->pdev, ioc->config_page_sz,
2364 ioc->config_page, ioc->config_page_dma);
2367 if (ioc->scsi_lookup) {
2368 free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
2369 ioc->scsi_lookup = NULL;
2371 kfree(ioc->hpr_lookup);
2372 kfree(ioc->internal_lookup);
2373 if (ioc->chain_lookup) {
2374 for (i = 0; i < ioc->chain_depth; i++) {
2375 if (ioc->chain_lookup[i].chain_buffer)
2376 pci_pool_free(ioc->chain_dma_pool,
2377 ioc->chain_lookup[i].chain_buffer,
2378 ioc->chain_lookup[i].chain_buffer_dma);
2380 if (ioc->chain_dma_pool)
2381 pci_pool_destroy(ioc->chain_dma_pool);
2382 free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
2383 ioc->chain_lookup = NULL;
2389 * _base_allocate_memory_pools - allocate start of day memory pools
2390 * @ioc: per adapter object
2391 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2393 * Returns 0 success, anything else error
2396 _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
2398 struct mpt2sas_facts *facts;
2399 u16 max_sge_elements;
2400 u16 chains_needed_per_io;
2401 u32 sz, total_sz, reply_post_free_sz;
2403 u16 max_request_credit;
2406 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2410 facts = &ioc->facts;
2412 /* command line tunables for max sgl entries */
2413 if (max_sgl_entries != -1) {
2414 ioc->shost->sg_tablesize = (max_sgl_entries <
2415 MPT2SAS_SG_DEPTH) ? max_sgl_entries :
2418 ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH;
2421 /* command line tunables for max controller queue depth */
2422 if (max_queue_depth != -1)
2423 max_request_credit = (max_queue_depth < facts->RequestCredit)
2424 ? max_queue_depth : facts->RequestCredit;
2426 max_request_credit = min_t(u16, facts->RequestCredit,
2427 MAX_HBA_QUEUE_DEPTH);
2429 ioc->hba_queue_depth = max_request_credit;
2430 ioc->hi_priority_depth = facts->HighPriorityCredit;
2431 ioc->internal_depth = ioc->hi_priority_depth + 5;
2433 /* request frame size */
2434 ioc->request_sz = facts->IOCRequestFrameSize * 4;
2436 /* reply frame size */
2437 ioc->reply_sz = facts->ReplyFrameSize * 4;
2441 /* calculate number of sg elements left over in the 1st frame */
2442 max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) -
2443 sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size);
2444 ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size;
2446 /* now do the same for a chain buffer */
2447 max_sge_elements = ioc->request_sz - ioc->sge_size;
2448 ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size;
2450 ioc->chain_offset_value_for_main_message =
2451 ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) +
2452 (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4;
2455 * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE
2457 chains_needed_per_io = ((ioc->shost->sg_tablesize -
2458 ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message)
2460 if (chains_needed_per_io > facts->MaxChainDepth) {
2461 chains_needed_per_io = facts->MaxChainDepth;
2462 ioc->shost->sg_tablesize = min_t(u16,
2463 ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message
2464 * chains_needed_per_io), ioc->shost->sg_tablesize);
2466 ioc->chains_needed_per_io = chains_needed_per_io;
2468 /* reply free queue sizing - taking into account for 64 FW events */
2469 ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
2471 /* align the reply post queue on the next 16 count boundary */
2472 if (!ioc->reply_free_queue_depth % 16)
2473 ioc->reply_post_queue_depth = ioc->reply_free_queue_depth + 16;
2475 ioc->reply_post_queue_depth = ioc->reply_free_queue_depth +
2476 32 - (ioc->reply_free_queue_depth % 16);
2477 if (ioc->reply_post_queue_depth >
2478 facts->MaxReplyDescriptorPostQueueDepth) {
2479 ioc->reply_post_queue_depth = min_t(u16,
2480 (facts->MaxReplyDescriptorPostQueueDepth -
2481 (facts->MaxReplyDescriptorPostQueueDepth % 16)),
2482 (ioc->hba_queue_depth - (ioc->hba_queue_depth % 16)));
2483 ioc->reply_free_queue_depth = ioc->reply_post_queue_depth - 16;
2484 ioc->hba_queue_depth = ioc->reply_free_queue_depth - 64;
2488 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: "
2489 "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), "
2490 "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message,
2491 ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize,
2492 ioc->chains_needed_per_io));
2494 ioc->scsiio_depth = ioc->hba_queue_depth -
2495 ioc->hi_priority_depth - ioc->internal_depth;
2497 /* set the scsi host can_queue depth
2498 * with some internal commands that could be outstanding
2500 ioc->shost->can_queue = ioc->scsiio_depth - (2);
2501 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: "
2502 "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue));
2504 /* contiguous pool for request and chains, 16 byte align, one extra "
2507 ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
2508 sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
2510 /* hi-priority queue */
2511 sz += (ioc->hi_priority_depth * ioc->request_sz);
2513 /* internal queue */
2514 sz += (ioc->internal_depth * ioc->request_sz);
2516 ioc->request_dma_sz = sz;
2517 ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma);
2518 if (!ioc->request) {
2519 printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent "
2520 "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
2521 "total(%d kB)\n", ioc->name, ioc->hba_queue_depth,
2522 ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
2523 if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH)
2526 ioc->hba_queue_depth = max_request_credit - retry_sz;
2527 goto retry_allocation;
2531 printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent "
2532 "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
2533 "total(%d kb)\n", ioc->name, ioc->hba_queue_depth,
2534 ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
2537 /* hi-priority queue */
2538 ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) *
2540 ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) *
2543 /* internal queue */
2544 ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth *
2546 ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
2550 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): "
2551 "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
2552 ioc->request, ioc->hba_queue_depth, ioc->request_sz,
2553 (ioc->hba_queue_depth * ioc->request_sz)/1024));
2554 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n",
2555 ioc->name, (unsigned long long) ioc->request_dma));
2558 sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker);
2559 ioc->scsi_lookup_pages = get_order(sz);
2560 ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages(
2561 GFP_KERNEL, ioc->scsi_lookup_pages);
2562 if (!ioc->scsi_lookup) {
2563 printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, "
2564 "sz(%d)\n", ioc->name, (int)sz);
2568 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): "
2569 "depth(%d)\n", ioc->name, ioc->request,
2570 ioc->scsiio_depth));
2572 ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH);
2573 sz = ioc->chain_depth * sizeof(struct chain_tracker);
2574 ioc->chain_pages = get_order(sz);
2576 ioc->chain_lookup = (struct chain_tracker *)__get_free_pages(
2577 GFP_KERNEL, ioc->chain_pages);
2578 ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
2579 ioc->request_sz, 16, 0);
2580 if (!ioc->chain_dma_pool) {
2581 printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create "
2582 "failed\n", ioc->name);
2585 for (i = 0; i < ioc->chain_depth; i++) {
2586 ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
2587 ioc->chain_dma_pool , GFP_KERNEL,
2588 &ioc->chain_lookup[i].chain_buffer_dma);
2589 if (!ioc->chain_lookup[i].chain_buffer) {
2590 ioc->chain_depth = i;
2593 total_sz += ioc->request_sz;
2596 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth"
2597 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
2598 ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth *
2599 ioc->request_sz))/1024));
2601 /* initialize hi-priority queue smid's */
2602 ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
2603 sizeof(struct request_tracker), GFP_KERNEL);
2604 if (!ioc->hpr_lookup) {
2605 printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n",
2609 ioc->hi_priority_smid = ioc->scsiio_depth + 1;
2610 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): "
2611 "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority,
2612 ioc->hi_priority_depth, ioc->hi_priority_smid));
2614 /* initialize internal queue smid's */
2615 ioc->internal_lookup = kcalloc(ioc->internal_depth,
2616 sizeof(struct request_tracker), GFP_KERNEL);
2617 if (!ioc->internal_lookup) {
2618 printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n",
2622 ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth;
2623 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): "
2624 "depth(%d), start smid(%d)\n", ioc->name, ioc->internal,
2625 ioc->internal_depth, ioc->internal_smid));
2627 /* sense buffers, 4 byte align */
2628 sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
2629 ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4,
2631 if (!ioc->sense_dma_pool) {
2632 printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n",
2636 ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL,
2639 printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n",
2643 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
2644 "sense pool(0x%p): depth(%d), element_size(%d), pool_size"
2645 "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth,
2646 SCSI_SENSE_BUFFERSIZE, sz/1024));
2647 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n",
2648 ioc->name, (unsigned long long)ioc->sense_dma));
2651 /* reply pool, 4 byte align */
2652 sz = ioc->reply_free_queue_depth * ioc->reply_sz;
2653 ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4,
2655 if (!ioc->reply_dma_pool) {
2656 printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n",
2660 ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL,
2663 printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n",
2667 ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
2668 ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
2669 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth"
2670 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply,
2671 ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
2672 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n",
2673 ioc->name, (unsigned long long)ioc->reply_dma));
2676 /* reply free queue, 16 byte align */
2677 sz = ioc->reply_free_queue_depth * 4;
2678 ioc->reply_free_dma_pool = pci_pool_create("reply_free pool",
2679 ioc->pdev, sz, 16, 0);
2680 if (!ioc->reply_free_dma_pool) {
2681 printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create "
2682 "failed\n", ioc->name);
2685 ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
2686 &ioc->reply_free_dma);
2687 if (!ioc->reply_free) {
2688 printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc "
2689 "failed\n", ioc->name);
2692 memset(ioc->reply_free, 0, sz);
2693 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): "
2694 "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name,
2695 ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024));
2696 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma"
2697 "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma));
2700 /* reply post queue, 16 byte align */
2701 reply_post_free_sz = ioc->reply_post_queue_depth *
2702 sizeof(Mpi2DefaultReplyDescriptor_t);
2703 if (_base_is_controller_msix_enabled(ioc))
2704 sz = reply_post_free_sz * ioc->reply_queue_count;
2706 sz = reply_post_free_sz;
2707 ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
2708 ioc->pdev, sz, 16, 0);
2709 if (!ioc->reply_post_free_dma_pool) {
2710 printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_create "
2711 "failed\n", ioc->name);
2714 ioc->reply_post_free = pci_pool_alloc(ioc->reply_post_free_dma_pool ,
2715 GFP_KERNEL, &ioc->reply_post_free_dma);
2716 if (!ioc->reply_post_free) {
2717 printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_alloc "
2718 "failed\n", ioc->name);
2721 memset(ioc->reply_post_free, 0, sz);
2722 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply post free pool"
2723 "(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n",
2724 ioc->name, ioc->reply_post_free, ioc->reply_post_queue_depth, 8,
2726 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_post_free_dma = "
2727 "(0x%llx)\n", ioc->name, (unsigned long long)
2728 ioc->reply_post_free_dma));
2731 ioc->config_page_sz = 512;
2732 ioc->config_page = pci_alloc_consistent(ioc->pdev,
2733 ioc->config_page_sz, &ioc->config_page_dma);
2734 if (!ioc->config_page) {
2735 printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc "
2736 "failed\n", ioc->name);
2739 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size"
2740 "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz));
2741 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma"
2742 "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma));
2743 total_sz += ioc->config_page_sz;
2745 printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n",
2746 ioc->name, total_sz/1024);
2747 printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), "
2748 "Max Controller Queue Depth(%d)\n",
2749 ioc->name, ioc->shost->can_queue, facts->RequestCredit);
2750 printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n",
2751 ioc->name, ioc->shost->sg_tablesize);
2760 * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter.
2761 * @ioc: Pointer to MPT_ADAPTER structure
2762 * @cooked: Request raw or cooked IOC state
2764 * Returns all IOC Doorbell register bits if cooked==0, else just the
2765 * Doorbell bits in MPI_IOC_STATE_MASK.
2768 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked)
2772 s = readl(&ioc->chip->Doorbell);
2773 sc = s & MPI2_IOC_STATE_MASK;
2774 return cooked ? sc : s;
2778 * _base_wait_on_iocstate - waiting on a particular ioc state
2779 * @ioc_state: controller state { READY, OPERATIONAL, or RESET }
2780 * @timeout: timeout in second
2781 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2783 * Returns 0 for success, non-zero for failure.
2786 _base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout,
2793 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2795 current_state = mpt2sas_base_get_iocstate(ioc, 1);
2796 if (current_state == ioc_state)
2798 if (count && current_state == MPI2_IOC_STATE_FAULT)
2800 if (sleep_flag == CAN_SLEEP)
2807 return current_state;
2811 * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by
2812 * a write to the doorbell)
2813 * @ioc: per adapter object
2814 * @timeout: timeout in second
2815 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2817 * Returns 0 for success, non-zero for failure.
2819 * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell.
2822 _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout,
2829 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2831 int_status = readl(&ioc->chip->HostInterruptStatus);
2832 if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
2833 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2834 "successful count(%d), timeout(%d)\n", ioc->name,
2835 __func__, count, timeout));
2838 if (sleep_flag == CAN_SLEEP)
2845 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
2846 "int_status(%x)!\n", ioc->name, __func__, count, int_status);
2851 * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell.
2852 * @ioc: per adapter object
2853 * @timeout: timeout in second
2854 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2856 * Returns 0 for success, non-zero for failure.
2858 * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to
2862 _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout,
2870 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2872 int_status = readl(&ioc->chip->HostInterruptStatus);
2873 if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) {
2874 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2875 "successful count(%d), timeout(%d)\n", ioc->name,
2876 __func__, count, timeout));
2878 } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
2879 doorbell = readl(&ioc->chip->Doorbell);
2880 if ((doorbell & MPI2_IOC_STATE_MASK) ==
2881 MPI2_IOC_STATE_FAULT) {
2882 mpt2sas_base_fault_info(ioc , doorbell);
2885 } else if (int_status == 0xFFFFFFFF)
2888 if (sleep_flag == CAN_SLEEP)
2896 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
2897 "int_status(%x)!\n", ioc->name, __func__, count, int_status);
2902 * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use
2903 * @ioc: per adapter object
2904 * @timeout: timeout in second
2905 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2907 * Returns 0 for success, non-zero for failure.
2911 _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout,
2918 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2920 doorbell_reg = readl(&ioc->chip->Doorbell);
2921 if (!(doorbell_reg & MPI2_DOORBELL_USED)) {
2922 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2923 "successful count(%d), timeout(%d)\n", ioc->name,
2924 __func__, count, timeout));
2927 if (sleep_flag == CAN_SLEEP)
2934 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
2935 "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg);
2940 * _base_send_ioc_reset - send doorbell reset
2941 * @ioc: per adapter object
2942 * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
2943 * @timeout: timeout in second
2944 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2946 * Returns 0 for success, non-zero for failure.
2949 _base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout,
2955 if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) {
2956 printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n",
2957 ioc->name, __func__);
2961 if (!(ioc->facts.IOCCapabilities &
2962 MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY))
2965 printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name);
2967 writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT,
2968 &ioc->chip->Doorbell);
2969 if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) {
2973 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY,
2974 timeout, sleep_flag);
2976 printk(MPT2SAS_ERR_FMT "%s: failed going to ready state "
2977 " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state);
2982 printk(MPT2SAS_INFO_FMT "message unit reset: %s\n",
2983 ioc->name, ((r == 0) ? "SUCCESS" : "FAILED"));
2988 * _base_handshake_req_reply_wait - send request thru doorbell interface
2989 * @ioc: per adapter object
2990 * @request_bytes: request length
2991 * @request: pointer having request payload
2992 * @reply_bytes: reply length
2993 * @reply: pointer to reply payload
2994 * @timeout: timeout in second
2995 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2997 * Returns 0 for success, non-zero for failure.
3000 _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes,
3001 u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag)
3003 MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply;
3009 /* make sure doorbell is not in use */
3010 if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
3011 printk(MPT2SAS_ERR_FMT "doorbell is in use "
3012 " (line=%d)\n", ioc->name, __LINE__);
3016 /* clear pending doorbell interrupts from previous state changes */
3017 if (readl(&ioc->chip->HostInterruptStatus) &
3018 MPI2_HIS_IOC2SYS_DB_STATUS)
3019 writel(0, &ioc->chip->HostInterruptStatus);
3021 /* send message to ioc */
3022 writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) |
3023 ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)),
3024 &ioc->chip->Doorbell);
3026 if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) {
3027 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3028 "int failed (line=%d)\n", ioc->name, __LINE__);
3031 writel(0, &ioc->chip->HostInterruptStatus);
3033 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) {
3034 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3035 "ack failed (line=%d)\n", ioc->name, __LINE__);
3039 /* send message 32-bits at a time */
3040 for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) {
3041 writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell);
3042 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag)))
3047 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3048 "sending request failed (line=%d)\n", ioc->name, __LINE__);
3052 /* now wait for the reply */
3053 if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) {
3054 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3055 "int failed (line=%d)\n", ioc->name, __LINE__);
3059 /* read the first two 16-bits, it gives the total length of the reply */
3060 reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3061 & MPI2_DOORBELL_DATA_MASK);
3062 writel(0, &ioc->chip->HostInterruptStatus);
3063 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
3064 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3065 "int failed (line=%d)\n", ioc->name, __LINE__);
3068 reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3069 & MPI2_DOORBELL_DATA_MASK);
3070 writel(0, &ioc->chip->HostInterruptStatus);
3072 for (i = 2; i < default_reply->MsgLength * 2; i++) {
3073 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
3074 printk(MPT2SAS_ERR_FMT "doorbell "
3075 "handshake int failed (line=%d)\n", ioc->name,
3079 if (i >= reply_bytes/2) /* overflow case */
3080 dummy = readl(&ioc->chip->Doorbell);
3082 reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3083 & MPI2_DOORBELL_DATA_MASK);
3084 writel(0, &ioc->chip->HostInterruptStatus);
3087 _base_wait_for_doorbell_int(ioc, 5, sleep_flag);
3088 if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) {
3089 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use "
3090 " (line=%d)\n", ioc->name, __LINE__));
3092 writel(0, &ioc->chip->HostInterruptStatus);
3094 if (ioc->logging_level & MPT_DEBUG_INIT) {
3095 mfp = (__le32 *)reply;
3096 printk(KERN_INFO "\toffset:data\n");
3097 for (i = 0; i < reply_bytes/4; i++)
3098 printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4,
3099 le32_to_cpu(mfp[i]));
3105 * mpt2sas_base_sas_iounit_control - send sas iounit control to FW
3106 * @ioc: per adapter object
3107 * @mpi_reply: the reply payload from FW
3108 * @mpi_request: the request payload sent to FW
3110 * The SAS IO Unit Control Request message allows the host to perform low-level
3111 * operations, such as resets on the PHYs of the IO Unit, also allows the host
3112 * to obtain the IOC assigned device handles for a device if it has other
3113 * identifying information about the device, in addition allows the host to
3114 * remove IOC resources associated with the device.
3116 * Returns 0 for success, non-zero for failure.
3119 mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
3120 Mpi2SasIoUnitControlReply_t *mpi_reply,
3121 Mpi2SasIoUnitControlRequest_t *mpi_request)
3125 unsigned long timeleft;
3129 u16 wait_state_count;
3131 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3134 mutex_lock(&ioc->base_cmds.mutex);
3136 if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) {
3137 printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n",
3138 ioc->name, __func__);
3143 wait_state_count = 0;
3144 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3145 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3146 if (wait_state_count++ == 10) {
3147 printk(MPT2SAS_ERR_FMT
3148 "%s: failed due to ioc not operational\n",
3149 ioc->name, __func__);
3154 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3155 printk(MPT2SAS_INFO_FMT "%s: waiting for "
3156 "operational state(count=%d)\n", ioc->name,
3157 __func__, wait_state_count);
3160 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
3162 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3163 ioc->name, __func__);
3169 ioc->base_cmds.status = MPT2_CMD_PENDING;
3170 request = mpt2sas_base_get_msg_frame(ioc, smid);
3171 ioc->base_cmds.smid = smid;
3172 memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t));
3173 if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
3174 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET)
3175 ioc->ioc_link_reset_in_progress = 1;
3176 init_completion(&ioc->base_cmds.done);
3177 mpt2sas_base_put_smid_default(ioc, smid);
3178 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
3179 msecs_to_jiffies(10000));
3180 if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
3181 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) &&
3182 ioc->ioc_link_reset_in_progress)
3183 ioc->ioc_link_reset_in_progress = 0;
3184 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
3185 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3186 ioc->name, __func__);
3187 _debug_dump_mf(mpi_request,
3188 sizeof(Mpi2SasIoUnitControlRequest_t)/4);
3189 if (!(ioc->base_cmds.status & MPT2_CMD_RESET))
3191 goto issue_host_reset;
3193 if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID)
3194 memcpy(mpi_reply, ioc->base_cmds.reply,
3195 sizeof(Mpi2SasIoUnitControlReply_t));
3197 memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t));
3198 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3203 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
3205 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3208 mutex_unlock(&ioc->base_cmds.mutex);
3214 * mpt2sas_base_scsi_enclosure_processor - sending request to sep device
3215 * @ioc: per adapter object
3216 * @mpi_reply: the reply payload from FW
3217 * @mpi_request: the request payload sent to FW
3219 * The SCSI Enclosure Processor request message causes the IOC to
3220 * communicate with SES devices to control LED status signals.
3222 * Returns 0 for success, non-zero for failure.
3225 mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
3226 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request)
3230 unsigned long timeleft;
3234 u16 wait_state_count;
3236 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3239 mutex_lock(&ioc->base_cmds.mutex);
3241 if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) {
3242 printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n",
3243 ioc->name, __func__);
3248 wait_state_count = 0;
3249 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3250 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3251 if (wait_state_count++ == 10) {
3252 printk(MPT2SAS_ERR_FMT
3253 "%s: failed due to ioc not operational\n",
3254 ioc->name, __func__);
3259 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3260 printk(MPT2SAS_INFO_FMT "%s: waiting for "
3261 "operational state(count=%d)\n", ioc->name,
3262 __func__, wait_state_count);
3265 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
3267 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3268 ioc->name, __func__);
3274 ioc->base_cmds.status = MPT2_CMD_PENDING;
3275 request = mpt2sas_base_get_msg_frame(ioc, smid);
3276 ioc->base_cmds.smid = smid;
3277 memcpy(request, mpi_request, sizeof(Mpi2SepReply_t));
3278 init_completion(&ioc->base_cmds.done);
3279 mpt2sas_base_put_smid_default(ioc, smid);
3280 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
3281 msecs_to_jiffies(10000));
3282 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
3283 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3284 ioc->name, __func__);
3285 _debug_dump_mf(mpi_request,
3286 sizeof(Mpi2SepRequest_t)/4);
3287 if (!(ioc->base_cmds.status & MPT2_CMD_RESET))
3289 goto issue_host_reset;
3291 if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID)
3292 memcpy(mpi_reply, ioc->base_cmds.reply,
3293 sizeof(Mpi2SepReply_t));
3295 memset(mpi_reply, 0, sizeof(Mpi2SepReply_t));
3296 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3301 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
3303 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3306 mutex_unlock(&ioc->base_cmds.mutex);
3311 * _base_get_port_facts - obtain port facts reply and save in ioc
3312 * @ioc: per adapter object
3313 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3315 * Returns 0 for success, non-zero for failure.
3318 _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag)
3320 Mpi2PortFactsRequest_t mpi_request;
3321 Mpi2PortFactsReply_t mpi_reply;
3322 struct mpt2sas_port_facts *pfacts;
3323 int mpi_reply_sz, mpi_request_sz, r;
3325 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3328 mpi_reply_sz = sizeof(Mpi2PortFactsReply_t);
3329 mpi_request_sz = sizeof(Mpi2PortFactsRequest_t);
3330 memset(&mpi_request, 0, mpi_request_sz);
3331 mpi_request.Function = MPI2_FUNCTION_PORT_FACTS;
3332 mpi_request.PortNumber = port;
3333 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
3334 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
3337 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3338 ioc->name, __func__, r);
3342 pfacts = &ioc->pfacts[port];
3343 memset(pfacts, 0, sizeof(Mpi2PortFactsReply_t));
3344 pfacts->PortNumber = mpi_reply.PortNumber;
3345 pfacts->VP_ID = mpi_reply.VP_ID;
3346 pfacts->VF_ID = mpi_reply.VF_ID;
3347 pfacts->MaxPostedCmdBuffers =
3348 le16_to_cpu(mpi_reply.MaxPostedCmdBuffers);
3354 * _base_get_ioc_facts - obtain ioc facts reply and save in ioc
3355 * @ioc: per adapter object
3356 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3358 * Returns 0 for success, non-zero for failure.
3361 _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3363 Mpi2IOCFactsRequest_t mpi_request;
3364 Mpi2IOCFactsReply_t mpi_reply;
3365 struct mpt2sas_facts *facts;
3366 int mpi_reply_sz, mpi_request_sz, r;
3368 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3371 mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t);
3372 mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t);
3373 memset(&mpi_request, 0, mpi_request_sz);
3374 mpi_request.Function = MPI2_FUNCTION_IOC_FACTS;
3375 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
3376 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
3379 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3380 ioc->name, __func__, r);
3384 facts = &ioc->facts;
3385 memset(facts, 0, sizeof(Mpi2IOCFactsReply_t));
3386 facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion);
3387 facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion);
3388 facts->VP_ID = mpi_reply.VP_ID;
3389 facts->VF_ID = mpi_reply.VF_ID;
3390 facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions);
3391 facts->MaxChainDepth = mpi_reply.MaxChainDepth;
3392 facts->WhoInit = mpi_reply.WhoInit;
3393 facts->NumberOfPorts = mpi_reply.NumberOfPorts;
3394 facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors;
3395 facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit);
3396 facts->MaxReplyDescriptorPostQueueDepth =
3397 le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth);
3398 facts->ProductID = le16_to_cpu(mpi_reply.ProductID);
3399 facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities);
3400 if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID))
3401 ioc->ir_firmware = 1;
3402 facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word);
3403 facts->IOCRequestFrameSize =
3404 le16_to_cpu(mpi_reply.IOCRequestFrameSize);
3405 facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators);
3406 facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets);
3407 ioc->shost->max_id = -1;
3408 facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders);
3409 facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures);
3410 facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags);
3411 facts->HighPriorityCredit =
3412 le16_to_cpu(mpi_reply.HighPriorityCredit);
3413 facts->ReplyFrameSize = mpi_reply.ReplyFrameSize;
3414 facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle);
3416 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), "
3417 "max chains per io(%d)\n", ioc->name, facts->RequestCredit,
3418 facts->MaxChainDepth));
3419 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), "
3420 "reply frame size(%d)\n", ioc->name,
3421 facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4));
3426 * _base_send_ioc_init - send ioc_init to firmware
3427 * @ioc: per adapter object
3428 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3430 * Returns 0 for success, non-zero for failure.
3433 _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3435 Mpi2IOCInitRequest_t mpi_request;
3436 Mpi2IOCInitReply_t mpi_reply;
3438 struct timeval current_time;
3441 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3444 memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t));
3445 mpi_request.Function = MPI2_FUNCTION_IOC_INIT;
3446 mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER;
3447 mpi_request.VF_ID = 0; /* TODO */
3448 mpi_request.VP_ID = 0;
3449 mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION);
3450 mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
3452 if (_base_is_controller_msix_enabled(ioc))
3453 mpi_request.HostMSIxVectors = ioc->reply_queue_count;
3454 mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4);
3455 mpi_request.ReplyDescriptorPostQueueDepth =
3456 cpu_to_le16(ioc->reply_post_queue_depth);
3457 mpi_request.ReplyFreeQueueDepth =
3458 cpu_to_le16(ioc->reply_free_queue_depth);
3460 mpi_request.SenseBufferAddressHigh =
3461 cpu_to_le32((u64)ioc->sense_dma >> 32);
3462 mpi_request.SystemReplyAddressHigh =
3463 cpu_to_le32((u64)ioc->reply_dma >> 32);
3464 mpi_request.SystemRequestFrameBaseAddress =
3465 cpu_to_le64((u64)ioc->request_dma);
3466 mpi_request.ReplyFreeQueueAddress =
3467 cpu_to_le64((u64)ioc->reply_free_dma);
3468 mpi_request.ReplyDescriptorPostQueueAddress =
3469 cpu_to_le64((u64)ioc->reply_post_free_dma);
3472 /* This time stamp specifies number of milliseconds
3473 * since epoch ~ midnight January 1, 1970.
3475 do_gettimeofday(¤t_time);
3476 mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 +
3477 (current_time.tv_usec / 1000));
3479 if (ioc->logging_level & MPT_DEBUG_INIT) {
3483 mfp = (__le32 *)&mpi_request;
3484 printk(KERN_INFO "\toffset:data\n");
3485 for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++)
3486 printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4,
3487 le32_to_cpu(mfp[i]));
3490 r = _base_handshake_req_reply_wait(ioc,
3491 sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request,
3492 sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10,
3496 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3497 ioc->name, __func__, r);
3501 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
3502 if (ioc_status != MPI2_IOCSTATUS_SUCCESS ||
3503 mpi_reply.IOCLogInfo) {
3504 printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__);
3512 * mpt2sas_port_enable_done - command completion routine for port enable
3513 * @ioc: per adapter object
3514 * @smid: system request message index
3515 * @msix_index: MSIX table index supplied by the OS
3516 * @reply: reply message frame(lower 32bit addr)
3518 * Return 1 meaning mf should be freed from _base_interrupt
3519 * 0 means the mf is freed from this function.
3522 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3525 MPI2DefaultReply_t *mpi_reply;
3528 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
3529 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
3532 if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED)
3535 ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE;
3537 ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID;
3538 memcpy(ioc->port_enable_cmds.reply, mpi_reply,
3539 mpi_reply->MsgLength*4);
3541 ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING;
3543 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
3545 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
3546 ioc->port_enable_failed = 1;
3548 if (ioc->is_driver_loading) {
3549 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
3550 mpt2sas_port_enable_complete(ioc);
3553 ioc->start_scan_failed = ioc_status;
3554 ioc->start_scan = 0;
3558 complete(&ioc->port_enable_cmds.done);
3564 * _base_send_port_enable - send port_enable(discovery stuff) to firmware
3565 * @ioc: per adapter object
3566 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3568 * Returns 0 for success, non-zero for failure.
3571 _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3573 Mpi2PortEnableRequest_t *mpi_request;
3574 Mpi2PortEnableReply_t *mpi_reply;
3575 unsigned long timeleft;
3580 printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name);
3582 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
3583 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
3584 ioc->name, __func__);
3588 smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
3590 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3591 ioc->name, __func__);
3595 ioc->port_enable_cmds.status = MPT2_CMD_PENDING;
3596 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3597 ioc->port_enable_cmds.smid = smid;
3598 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
3599 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
3601 init_completion(&ioc->port_enable_cmds.done);
3602 mpt2sas_base_put_smid_default(ioc, smid);
3603 timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done,
3605 if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) {
3606 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3607 ioc->name, __func__);
3608 _debug_dump_mf(mpi_request,
3609 sizeof(Mpi2PortEnableRequest_t)/4);
3610 if (ioc->port_enable_cmds.status & MPT2_CMD_RESET)
3616 mpi_reply = ioc->port_enable_cmds.reply;
3618 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
3619 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3620 printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n",
3621 ioc->name, __func__, ioc_status);
3626 ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED;
3627 printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ?
3628 "SUCCESS" : "FAILED"));
3633 * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply)
3634 * @ioc: per adapter object
3636 * Returns 0 for success, non-zero for failure.
3639 mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc)
3641 Mpi2PortEnableRequest_t *mpi_request;
3644 printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name);
3646 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
3647 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
3648 ioc->name, __func__);
3652 smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
3654 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3655 ioc->name, __func__);
3659 ioc->port_enable_cmds.status = MPT2_CMD_PENDING;
3660 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3661 ioc->port_enable_cmds.smid = smid;
3662 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
3663 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
3665 mpt2sas_base_put_smid_default(ioc, smid);
3670 * _base_determine_wait_on_discovery - desposition
3671 * @ioc: per adapter object
3673 * Decide whether to wait on discovery to complete. Used to either
3674 * locate boot device, or report volumes ahead of physical devices.
3676 * Returns 1 for wait, 0 for don't wait
3679 _base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc)
3681 /* We wait for discovery to complete if IR firmware is loaded.
3682 * The sas topology events arrive before PD events, so we need time to
3683 * turn on the bit in ioc->pd_handles to indicate PD
3684 * Also, it maybe required to report Volumes ahead of physical
3685 * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set.
3687 if (ioc->ir_firmware)
3690 /* if no Bios, then we don't need to wait */
3691 if (!ioc->bios_pg3.BiosVersion)
3694 /* Bios is present, then we drop down here.
3696 * If there any entries in the Bios Page 2, then we wait
3697 * for discovery to complete.
3700 /* Current Boot Device */
3701 if ((ioc->bios_pg2.CurrentBootDeviceForm &
3702 MPI2_BIOSPAGE2_FORM_MASK) ==
3703 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
3704 /* Request Boot Device */
3705 (ioc->bios_pg2.ReqBootDeviceForm &
3706 MPI2_BIOSPAGE2_FORM_MASK) ==
3707 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
3708 /* Alternate Request Boot Device */
3709 (ioc->bios_pg2.ReqAltBootDeviceForm &
3710 MPI2_BIOSPAGE2_FORM_MASK) ==
3711 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED)
3719 * _base_unmask_events - turn on notification for this event
3720 * @ioc: per adapter object
3721 * @event: firmware event
3723 * The mask is stored in ioc->event_masks.
3726 _base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event)
3733 desired_event = (1 << (event % 32));
3736 ioc->event_masks[0] &= ~desired_event;
3737 else if (event < 64)
3738 ioc->event_masks[1] &= ~desired_event;
3739 else if (event < 96)
3740 ioc->event_masks[2] &= ~desired_event;
3741 else if (event < 128)
3742 ioc->event_masks[3] &= ~desired_event;
3746 * _base_event_notification - send event notification
3747 * @ioc: per adapter object
3748 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3750 * Returns 0 for success, non-zero for failure.
3753 _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3755 Mpi2EventNotificationRequest_t *mpi_request;
3756 unsigned long timeleft;
3761 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3764 if (ioc->base_cmds.status & MPT2_CMD_PENDING) {
3765 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
3766 ioc->name, __func__);
3770 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
3772 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3773 ioc->name, __func__);
3776 ioc->base_cmds.status = MPT2_CMD_PENDING;
3777 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3778 ioc->base_cmds.smid = smid;
3779 memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t));
3780 mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
3781 mpi_request->VF_ID = 0; /* TODO */
3782 mpi_request->VP_ID = 0;
3783 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
3784 mpi_request->EventMasks[i] =
3785 cpu_to_le32(ioc->event_masks[i]);
3786 init_completion(&ioc->base_cmds.done);
3787 mpt2sas_base_put_smid_default(ioc, smid);
3788 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ);
3789 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
3790 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3791 ioc->name, __func__);
3792 _debug_dump_mf(mpi_request,
3793 sizeof(Mpi2EventNotificationRequest_t)/4);
3794 if (ioc->base_cmds.status & MPT2_CMD_RESET)
3799 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n",
3800 ioc->name, __func__));
3801 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3806 * mpt2sas_base_validate_event_type - validating event types
3807 * @ioc: per adapter object
3808 * @event: firmware event
3810 * This will turn on firmware event notification when application
3811 * ask for that event. We don't mask events that are already enabled.
3814 mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type)
3817 u32 event_mask, desired_event;
3818 u8 send_update_to_fw;
3820 for (i = 0, send_update_to_fw = 0; i <
3821 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) {
3822 event_mask = ~event_type[i];
3824 for (j = 0; j < 32; j++) {
3825 if (!(event_mask & desired_event) &&
3826 (ioc->event_masks[i] & desired_event)) {
3827 ioc->event_masks[i] &= ~desired_event;
3828 send_update_to_fw = 1;
3830 desired_event = (desired_event << 1);
3834 if (!send_update_to_fw)
3837 mutex_lock(&ioc->base_cmds.mutex);
3838 _base_event_notification(ioc, CAN_SLEEP);
3839 mutex_unlock(&ioc->base_cmds.mutex);
3843 * _base_diag_reset - the "big hammer" start of day reset
3844 * @ioc: per adapter object
3845 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3847 * Returns 0 for success, non-zero for failure.
3850 _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3852 u32 host_diagnostic;
3857 printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name);
3858 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n",
3863 /* Write magic sequence to WriteSequence register
3864 * Loop until in diagnostic mode
3866 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic "
3867 "sequence\n", ioc->name));
3868 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
3869 writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence);
3870 writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence);
3871 writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence);
3872 writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence);
3873 writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence);
3874 writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence);
3877 if (sleep_flag == CAN_SLEEP)
3885 host_diagnostic = readl(&ioc->chip->HostDiagnostic);
3886 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic "
3887 "sequence: count(%d), host_diagnostic(0x%08x)\n",
3888 ioc->name, count, host_diagnostic));
3890 } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0);
3892 hcb_size = readl(&ioc->chip->HCBSize);
3894 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n",
3896 writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER,
3897 &ioc->chip->HostDiagnostic);
3899 /* don't access any registers for 50 milliseconds */
3902 /* 300 second max wait */
3903 for (count = 0; count < 3000000 ; count++) {
3905 host_diagnostic = readl(&ioc->chip->HostDiagnostic);
3907 if (host_diagnostic == 0xFFFFFFFF)
3909 if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER))
3913 if (sleep_flag == CAN_SLEEP)
3919 if (host_diagnostic & MPI2_DIAG_HCB_MODE) {
3921 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter "
3922 "assuming the HCB Address points to good F/W\n",
3924 host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK;
3925 host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW;
3926 writel(host_diagnostic, &ioc->chip->HostDiagnostic);
3928 drsprintk(ioc, printk(MPT2SAS_INFO_FMT
3929 "re-enable the HCDW\n", ioc->name));
3930 writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE,
3931 &ioc->chip->HCBSize);
3934 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n",
3936 writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET,
3937 &ioc->chip->HostDiagnostic);
3939 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the "
3940 "diagnostic register\n", ioc->name));
3941 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
3943 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the "
3944 "READY state\n", ioc->name));
3945 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20,
3948 printk(MPT2SAS_ERR_FMT "%s: failed going to ready state "
3949 " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state);
3953 printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name);
3957 printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name);
3962 * _base_make_ioc_ready - put controller in READY state
3963 * @ioc: per adapter object
3964 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3965 * @type: FORCE_BIG_HAMMER or SOFT_RESET
3967 * Returns 0 for success, non-zero for failure.
3970 _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
3971 enum reset_type type)
3976 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3979 if (ioc->pci_error_recovery)
3982 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
3983 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n",
3984 ioc->name, __func__, ioc_state));
3986 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY)
3989 if (ioc_state & MPI2_DOORBELL_USED) {
3990 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
3991 "active!\n", ioc->name));
3992 goto issue_diag_reset;
3995 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
3996 mpt2sas_base_fault_info(ioc, ioc_state &
3997 MPI2_DOORBELL_DATA_MASK);
3998 goto issue_diag_reset;
4001 if (type == FORCE_BIG_HAMMER)
4002 goto issue_diag_reset;
4004 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
4005 if (!(_base_send_ioc_reset(ioc,
4006 MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) {
4007 ioc->ioc_reset_count++;
4012 rc = _base_diag_reset(ioc, CAN_SLEEP);
4013 ioc->ioc_reset_count++;
4018 * _base_make_ioc_operational - put controller in OPERATIONAL state
4019 * @ioc: per adapter object
4020 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4022 * Returns 0 for success, non-zero for failure.
4025 _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
4028 unsigned long flags;
4031 struct _tr_list *delayed_tr, *delayed_tr_next;
4033 struct adapter_reply_queue *reply_q;
4034 long reply_post_free;
4035 u32 reply_post_free_sz;
4037 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4040 /* clean the delayed target reset list */
4041 list_for_each_entry_safe(delayed_tr, delayed_tr_next,
4042 &ioc->delayed_tr_list, list) {
4043 list_del(&delayed_tr->list);
4047 list_for_each_entry_safe(delayed_tr, delayed_tr_next,
4048 &ioc->delayed_tr_volume_list, list) {
4049 list_del(&delayed_tr->list);
4053 /* initialize the scsi lookup free list */
4054 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4055 INIT_LIST_HEAD(&ioc->free_list);
4057 for (i = 0; i < ioc->scsiio_depth; i++, smid++) {
4058 INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list);
4059 ioc->scsi_lookup[i].cb_idx = 0xFF;
4060 ioc->scsi_lookup[i].smid = smid;
4061 ioc->scsi_lookup[i].scmd = NULL;
4062 ioc->scsi_lookup[i].direct_io = 0;
4063 list_add_tail(&ioc->scsi_lookup[i].tracker_list,
4067 /* hi-priority queue */
4068 INIT_LIST_HEAD(&ioc->hpr_free_list);
4069 smid = ioc->hi_priority_smid;
4070 for (i = 0; i < ioc->hi_priority_depth; i++, smid++) {
4071 ioc->hpr_lookup[i].cb_idx = 0xFF;
4072 ioc->hpr_lookup[i].smid = smid;
4073 list_add_tail(&ioc->hpr_lookup[i].tracker_list,
4074 &ioc->hpr_free_list);
4077 /* internal queue */
4078 INIT_LIST_HEAD(&ioc->internal_free_list);
4079 smid = ioc->internal_smid;
4080 for (i = 0; i < ioc->internal_depth; i++, smid++) {
4081 ioc->internal_lookup[i].cb_idx = 0xFF;
4082 ioc->internal_lookup[i].smid = smid;
4083 list_add_tail(&ioc->internal_lookup[i].tracker_list,
4084 &ioc->internal_free_list);
4088 INIT_LIST_HEAD(&ioc->free_chain_list);
4089 for (i = 0; i < ioc->chain_depth; i++)
4090 list_add_tail(&ioc->chain_lookup[i].tracker_list,
4091 &ioc->free_chain_list);
4093 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4095 /* initialize Reply Free Queue */
4096 for (i = 0, reply_address = (u32)ioc->reply_dma ;
4097 i < ioc->reply_free_queue_depth ; i++, reply_address +=
4099 ioc->reply_free[i] = cpu_to_le32(reply_address);
4101 /* initialize reply queues */
4102 if (ioc->is_driver_loading)
4103 _base_assign_reply_queues(ioc);
4105 /* initialize Reply Post Free Queue */
4106 reply_post_free = (long)ioc->reply_post_free;
4107 reply_post_free_sz = ioc->reply_post_queue_depth *
4108 sizeof(Mpi2DefaultReplyDescriptor_t);
4109 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
4110 reply_q->reply_post_host_index = 0;
4111 reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *)
4113 for (i = 0; i < ioc->reply_post_queue_depth; i++)
4114 reply_q->reply_post_free[i].Words =
4115 cpu_to_le64(ULLONG_MAX);
4116 if (!_base_is_controller_msix_enabled(ioc))
4117 goto skip_init_reply_post_free_queue;
4118 reply_post_free += reply_post_free_sz;
4120 skip_init_reply_post_free_queue:
4122 r = _base_send_ioc_init(ioc, sleep_flag);
4126 /* initialize reply free host index */
4127 ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1;
4128 writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex);
4130 /* initialize reply post host index */
4131 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
4132 writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT,
4133 &ioc->chip->ReplyPostHostIndex);
4134 if (!_base_is_controller_msix_enabled(ioc))
4135 goto skip_init_reply_post_host_index;
4138 skip_init_reply_post_host_index:
4140 _base_unmask_interrupts(ioc);
4142 r = _base_event_notification(ioc, sleep_flag);
4146 if (sleep_flag == CAN_SLEEP)
4147 _base_static_config_pages(ioc);
4150 if (ioc->is_driver_loading) {
4151 if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier
4153 hide_flag = (u8) (ioc->manu_pg10.OEMSpecificFlags0 &
4154 MFG_PAGE10_HIDE_SSDS_MASK);
4155 if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK)
4156 ioc->mfg_pg10_hide_flag = hide_flag;
4158 ioc->wait_for_discovery_to_complete =
4159 _base_determine_wait_on_discovery(ioc);
4160 return r; /* scan_start and scan_finished support */
4162 r = _base_send_port_enable(ioc, sleep_flag);
4170 * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap)
4171 * @ioc: per adapter object
4176 mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
4178 struct pci_dev *pdev = ioc->pdev;
4180 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4183 _base_mask_interrupts(ioc);
4184 ioc->shost_recovery = 1;
4185 _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
4186 ioc->shost_recovery = 0;
4187 _base_free_irq(ioc);
4188 _base_disable_msix(ioc);
4192 pci_release_selected_regions(ioc->pdev, ioc->bars);
4193 pci_disable_pcie_error_reporting(pdev);
4194 pci_disable_device(pdev);
4199 * mpt2sas_base_attach - attach controller instance
4200 * @ioc: per adapter object
4202 * Returns 0 for success, non-zero for failure.
4205 mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
4208 int cpu_id, last_cpu_id = 0;
4210 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4213 /* setup cpu_msix_table */
4214 ioc->cpu_count = num_online_cpus();
4215 for_each_online_cpu(cpu_id)
4216 last_cpu_id = cpu_id;
4217 ioc->cpu_msix_table_sz = last_cpu_id + 1;
4218 ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL);
4219 ioc->reply_queue_count = 1;
4220 if (!ioc->cpu_msix_table) {
4221 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for "
4222 "cpu_msix_table failed!!!\n", ioc->name));
4224 goto out_free_resources;
4227 if (ioc->is_warpdrive) {
4228 ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz,
4229 sizeof(resource_size_t *), GFP_KERNEL);
4230 if (!ioc->reply_post_host_index) {
4231 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation "
4232 "for cpu_msix_table failed!!!\n", ioc->name));
4234 goto out_free_resources;
4238 r = mpt2sas_base_map_resources(ioc);
4240 goto out_free_resources;
4242 if (ioc->is_warpdrive) {
4243 ioc->reply_post_host_index[0] =
4244 (resource_size_t *)&ioc->chip->ReplyPostHostIndex;
4246 for (i = 1; i < ioc->cpu_msix_table_sz; i++)
4247 ioc->reply_post_host_index[i] = (resource_size_t *)
4248 ((u8 *)&ioc->chip->Doorbell + (0x4000 + ((i - 1)
4252 pci_set_drvdata(ioc->pdev, ioc->shost);
4253 r = _base_get_ioc_facts(ioc, CAN_SLEEP);
4255 goto out_free_resources;
4257 r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
4259 goto out_free_resources;
4261 ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
4262 sizeof(Mpi2PortFactsReply_t), GFP_KERNEL);
4265 goto out_free_resources;
4268 for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
4269 r = _base_get_port_facts(ioc, i, CAN_SLEEP);
4271 goto out_free_resources;
4274 r = _base_allocate_memory_pools(ioc, CAN_SLEEP);
4276 goto out_free_resources;
4278 init_waitqueue_head(&ioc->reset_wq);
4280 /* allocate memory pd handle bitmask list */
4281 ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8);
4282 if (ioc->facts.MaxDevHandle % 8)
4283 ioc->pd_handles_sz++;
4284 ioc->pd_handles = kzalloc(ioc->pd_handles_sz,
4286 if (!ioc->pd_handles) {
4288 goto out_free_resources;
4291 ioc->fwfault_debug = mpt2sas_fwfault_debug;
4293 /* base internal command bits */
4294 mutex_init(&ioc->base_cmds.mutex);
4295 ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4296 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
4298 /* port_enable command bits */
4299 ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4300 ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED;
4302 /* transport internal command bits */
4303 ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4304 ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
4305 mutex_init(&ioc->transport_cmds.mutex);
4307 /* scsih internal command bits */
4308 ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4309 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
4310 mutex_init(&ioc->scsih_cmds.mutex);
4312 /* task management internal command bits */
4313 ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4314 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
4315 mutex_init(&ioc->tm_cmds.mutex);
4317 /* config page internal command bits */
4318 ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4319 ioc->config_cmds.status = MPT2_CMD_NOT_USED;
4320 mutex_init(&ioc->config_cmds.mutex);
4322 /* ctl module internal command bits */
4323 ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4324 ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
4325 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
4326 mutex_init(&ioc->ctl_cmds.mutex);
4328 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
4329 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
4330 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply ||
4331 !ioc->ctl_cmds.sense) {
4333 goto out_free_resources;
4336 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
4337 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
4338 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) {
4340 goto out_free_resources;
4343 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
4344 ioc->event_masks[i] = -1;
4346 /* here we enable the events we care about */
4347 _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY);
4348 _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
4349 _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
4350 _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4351 _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
4352 _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
4353 _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
4354 _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
4355 _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
4356 _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
4357 r = _base_make_ioc_operational(ioc, CAN_SLEEP);
4359 goto out_free_resources;
4361 if (missing_delay[0] != -1 && missing_delay[1] != -1)
4362 _base_update_missing_delay(ioc, missing_delay[0],
4369 ioc->remove_host = 1;
4370 mpt2sas_base_free_resources(ioc);
4371 _base_release_memory_pools(ioc);
4372 pci_set_drvdata(ioc->pdev, NULL);
4373 kfree(ioc->cpu_msix_table);
4374 if (ioc->is_warpdrive)
4375 kfree(ioc->reply_post_host_index);
4376 kfree(ioc->pd_handles);
4377 kfree(ioc->tm_cmds.reply);
4378 kfree(ioc->transport_cmds.reply);
4379 kfree(ioc->scsih_cmds.reply);
4380 kfree(ioc->config_cmds.reply);
4381 kfree(ioc->base_cmds.reply);
4382 kfree(ioc->port_enable_cmds.reply);
4383 kfree(ioc->ctl_cmds.reply);
4384 kfree(ioc->ctl_cmds.sense);
4386 ioc->ctl_cmds.reply = NULL;
4387 ioc->base_cmds.reply = NULL;
4388 ioc->tm_cmds.reply = NULL;
4389 ioc->scsih_cmds.reply = NULL;
4390 ioc->transport_cmds.reply = NULL;
4391 ioc->config_cmds.reply = NULL;
4398 * mpt2sas_base_detach - remove controller instance
4399 * @ioc: per adapter object
4404 mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
4407 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4410 mpt2sas_base_stop_watchdog(ioc);
4411 mpt2sas_base_free_resources(ioc);
4412 _base_release_memory_pools(ioc);
4413 pci_set_drvdata(ioc->pdev, NULL);
4414 kfree(ioc->cpu_msix_table);
4415 if (ioc->is_warpdrive)
4416 kfree(ioc->reply_post_host_index);
4417 kfree(ioc->pd_handles);
4419 kfree(ioc->ctl_cmds.reply);
4420 kfree(ioc->ctl_cmds.sense);
4421 kfree(ioc->base_cmds.reply);
4422 kfree(ioc->port_enable_cmds.reply);
4423 kfree(ioc->tm_cmds.reply);
4424 kfree(ioc->transport_cmds.reply);
4425 kfree(ioc->scsih_cmds.reply);
4426 kfree(ioc->config_cmds.reply);
4430 * _base_reset_handler - reset callback handler (for base)
4431 * @ioc: per adapter object
4432 * @reset_phase: phase
4434 * The handler for doing any required cleanup or initialization.
4436 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
4437 * MPT2_IOC_DONE_RESET
4442 _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
4444 mpt2sas_scsih_reset_handler(ioc, reset_phase);
4445 mpt2sas_ctl_reset_handler(ioc, reset_phase);
4446 switch (reset_phase) {
4447 case MPT2_IOC_PRE_RESET:
4448 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4449 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
4451 case MPT2_IOC_AFTER_RESET:
4452 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4453 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
4454 if (ioc->transport_cmds.status & MPT2_CMD_PENDING) {
4455 ioc->transport_cmds.status |= MPT2_CMD_RESET;
4456 mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid);
4457 complete(&ioc->transport_cmds.done);
4459 if (ioc->base_cmds.status & MPT2_CMD_PENDING) {
4460 ioc->base_cmds.status |= MPT2_CMD_RESET;
4461 mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid);
4462 complete(&ioc->base_cmds.done);
4464 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
4465 ioc->port_enable_failed = 1;
4466 ioc->port_enable_cmds.status |= MPT2_CMD_RESET;
4467 mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid);
4468 if (ioc->is_driver_loading) {
4469 ioc->start_scan_failed =
4470 MPI2_IOCSTATUS_INTERNAL_ERROR;
4471 ioc->start_scan = 0;
4472 ioc->port_enable_cmds.status =
4475 complete(&ioc->port_enable_cmds.done);
4478 if (ioc->config_cmds.status & MPT2_CMD_PENDING) {
4479 ioc->config_cmds.status |= MPT2_CMD_RESET;
4480 mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid);
4481 ioc->config_cmds.smid = USHRT_MAX;
4482 complete(&ioc->config_cmds.done);
4485 case MPT2_IOC_DONE_RESET:
4486 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4487 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
4493 * _wait_for_commands_to_complete - reset controller
4494 * @ioc: Pointer to MPT_ADAPTER structure
4495 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4497 * This function waiting(3s) for all pending commands to complete
4498 * prior to putting controller in reset.
4501 _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
4504 unsigned long flags;
4507 ioc->pending_io_count = 0;
4508 if (sleep_flag != CAN_SLEEP)
4511 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
4512 if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL)
4515 /* pending command count */
4516 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4517 for (i = 0; i < ioc->scsiio_depth; i++)
4518 if (ioc->scsi_lookup[i].cb_idx != 0xFF)
4519 ioc->pending_io_count++;
4520 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4522 if (!ioc->pending_io_count)
4525 /* wait for pending commands to complete */
4526 wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ);
4530 * mpt2sas_base_hard_reset_handler - reset controller
4531 * @ioc: Pointer to MPT_ADAPTER structure
4532 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4533 * @type: FORCE_BIG_HAMMER or SOFT_RESET
4535 * Returns 0 for success, non-zero for failure.
4538 mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
4539 enum reset_type type)
4542 unsigned long flags;
4544 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
4547 if (ioc->pci_error_recovery) {
4548 printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n",
4549 ioc->name, __func__);
4554 if (mpt2sas_fwfault_debug)
4555 mpt2sas_halt_firmware(ioc);
4557 /* TODO - What we really should be doing is pulling
4558 * out all the code associated with NO_SLEEP; its never used.
4559 * That is legacy code from mpt fusion driver, ported over.
4560 * I will leave this BUG_ON here for now till its been resolved.
4562 BUG_ON(sleep_flag == NO_SLEEP);
4564 /* wait for an active reset in progress to complete */
4565 if (!mutex_trylock(&ioc->reset_in_progress_mutex)) {
4568 } while (ioc->shost_recovery == 1);
4569 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,
4571 return ioc->ioc_reset_in_progress_status;
4574 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
4575 ioc->shost_recovery = 1;
4576 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
4578 _base_reset_handler(ioc, MPT2_IOC_PRE_RESET);
4579 _wait_for_commands_to_complete(ioc, sleep_flag);
4580 _base_mask_interrupts(ioc);
4581 r = _base_make_ioc_ready(ioc, sleep_flag, type);
4584 _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET);
4586 /* If this hard reset is called while port enable is active, then
4587 * there is no reason to call make_ioc_operational
4589 if (ioc->is_driver_loading && ioc->port_enable_failed) {
4590 ioc->remove_host = 1;
4594 r = _base_make_ioc_operational(ioc, sleep_flag);
4596 _base_reset_handler(ioc, MPT2_IOC_DONE_RESET);
4598 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n",
4599 ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED")));
4601 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
4602 ioc->ioc_reset_in_progress_status = r;
4603 ioc->shost_recovery = 0;
4604 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
4605 mutex_unlock(&ioc->reset_in_progress_mutex);
4607 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,