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
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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_stop_and_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 == 0x30050000 || 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 if (unlikely(!mpi_reply)) {
703 printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
704 ioc->name, __FILE__, __LINE__, __func__);
707 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
708 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
709 if ((ioc_status & MPI2_IOCSTATUS_MASK) &&
710 (ioc->logging_level & MPT_DEBUG_REPLY)) {
711 _base_sas_ioc_info(ioc , mpi_reply,
712 mpt2sas_base_get_msg_frame(ioc, smid));
715 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
716 _base_sas_log_info(ioc, le32_to_cpu(mpi_reply->IOCLogInfo));
720 * mpt2sas_base_done - base internal command completion routine
721 * @ioc: per adapter object
722 * @smid: system request message index
723 * @msix_index: MSIX table index supplied by the OS
724 * @reply: reply message frame(lower 32bit addr)
726 * Return 1 meaning mf should be freed from _base_interrupt
727 * 0 means the mf is freed from this function.
730 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
733 MPI2DefaultReply_t *mpi_reply;
735 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
736 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
739 if (ioc->base_cmds.status == MPT2_CMD_NOT_USED)
742 ioc->base_cmds.status |= MPT2_CMD_COMPLETE;
744 ioc->base_cmds.status |= MPT2_CMD_REPLY_VALID;
745 memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
747 ioc->base_cmds.status &= ~MPT2_CMD_PENDING;
749 complete(&ioc->base_cmds.done);
754 * _base_async_event - main callback handler for firmware asyn events
755 * @ioc: per adapter object
756 * @msix_index: MSIX table index supplied by the OS
757 * @reply: reply message frame(lower 32bit addr)
759 * Return 1 meaning mf should be freed from _base_interrupt
760 * 0 means the mf is freed from this function.
763 _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
765 Mpi2EventNotificationReply_t *mpi_reply;
766 Mpi2EventAckRequest_t *ack_request;
769 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
772 if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
774 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
775 _base_display_event_data(ioc, mpi_reply);
777 if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED))
779 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
781 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
782 ioc->name, __func__);
786 ack_request = mpt2sas_base_get_msg_frame(ioc, smid);
787 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
788 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
789 ack_request->Event = mpi_reply->Event;
790 ack_request->EventContext = mpi_reply->EventContext;
791 ack_request->VF_ID = 0; /* TODO */
792 ack_request->VP_ID = 0;
793 mpt2sas_base_put_smid_default(ioc, smid);
797 /* scsih callback handler */
798 mpt2sas_scsih_event_callback(ioc, msix_index, reply);
800 /* ctl callback handler */
801 mpt2sas_ctl_event_callback(ioc, msix_index, reply);
807 * _base_get_cb_idx - obtain the callback index
808 * @ioc: per adapter object
809 * @smid: system request message index
811 * Return callback index.
814 _base_get_cb_idx(struct MPT2SAS_ADAPTER *ioc, u16 smid)
819 if (smid < ioc->hi_priority_smid) {
821 cb_idx = ioc->scsi_lookup[i].cb_idx;
822 } else if (smid < ioc->internal_smid) {
823 i = smid - ioc->hi_priority_smid;
824 cb_idx = ioc->hpr_lookup[i].cb_idx;
825 } else if (smid <= ioc->hba_queue_depth) {
826 i = smid - ioc->internal_smid;
827 cb_idx = ioc->internal_lookup[i].cb_idx;
834 * _base_mask_interrupts - disable interrupts
835 * @ioc: per adapter object
837 * Disabling ResetIRQ, Reply and Doorbell Interrupts
842 _base_mask_interrupts(struct MPT2SAS_ADAPTER *ioc)
846 ioc->mask_interrupts = 1;
847 him_register = readl(&ioc->chip->HostInterruptMask);
848 him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK;
849 writel(him_register, &ioc->chip->HostInterruptMask);
850 readl(&ioc->chip->HostInterruptMask);
854 * _base_unmask_interrupts - enable interrupts
855 * @ioc: per adapter object
857 * Enabling only Reply Interrupts
862 _base_unmask_interrupts(struct MPT2SAS_ADAPTER *ioc)
866 him_register = readl(&ioc->chip->HostInterruptMask);
867 him_register &= ~MPI2_HIM_RIM;
868 writel(him_register, &ioc->chip->HostInterruptMask);
869 ioc->mask_interrupts = 0;
872 union reply_descriptor {
881 * _base_interrupt - MPT adapter (IOC) specific interrupt handler.
882 * @irq: irq number (not used)
883 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
884 * @r: pt_regs pointer (not used)
886 * Return IRQ_HANDLE if processed, else IRQ_NONE.
889 _base_interrupt(int irq, void *bus_id)
891 struct adapter_reply_queue *reply_q = bus_id;
892 union reply_descriptor rd;
894 u8 request_desript_type;
898 u8 msix_index = reply_q->msix_index;
899 struct MPT2SAS_ADAPTER *ioc = reply_q->ioc;
900 Mpi2ReplyDescriptorsUnion_t *rpf;
903 if (ioc->mask_interrupts)
906 if (!atomic_add_unless(&reply_q->busy, 1, 1))
909 rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index];
910 request_desript_type = rpf->Default.ReplyFlags
911 & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
912 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
913 atomic_dec(&reply_q->busy);
920 rd.word = le64_to_cpu(rpf->Words);
921 if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
924 smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
925 if (request_desript_type ==
926 MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
928 (rpf->AddressReply.ReplyFrameAddress);
929 if (reply > ioc->reply_dma_max_address ||
930 reply < ioc->reply_dma_min_address)
932 } else if (request_desript_type ==
933 MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER)
935 else if (request_desript_type ==
936 MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS)
939 cb_idx = _base_get_cb_idx(ioc, smid);
940 if ((likely(cb_idx < MPT_MAX_CALLBACKS))
941 && (likely(mpt_callbacks[cb_idx] != NULL))) {
942 rc = mpt_callbacks[cb_idx](ioc, smid,
945 _base_display_reply_info(ioc, smid,
948 mpt2sas_base_free_smid(ioc, smid);
952 _base_async_event(ioc, msix_index, reply);
954 /* reply free queue handling */
956 ioc->reply_free_host_index =
957 (ioc->reply_free_host_index ==
958 (ioc->reply_free_queue_depth - 1)) ?
959 0 : ioc->reply_free_host_index + 1;
960 ioc->reply_free[ioc->reply_free_host_index] =
963 writel(ioc->reply_free_host_index,
964 &ioc->chip->ReplyFreeHostIndex);
969 rpf->Words = cpu_to_le64(ULLONG_MAX);
970 reply_q->reply_post_host_index =
971 (reply_q->reply_post_host_index ==
972 (ioc->reply_post_queue_depth - 1)) ? 0 :
973 reply_q->reply_post_host_index + 1;
974 request_desript_type =
975 reply_q->reply_post_free[reply_q->reply_post_host_index].
976 Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
978 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
980 if (!reply_q->reply_post_host_index)
981 rpf = reply_q->reply_post_free;
988 if (!completed_cmds) {
989 atomic_dec(&reply_q->busy);
993 if (ioc->is_warpdrive) {
994 writel(reply_q->reply_post_host_index,
995 ioc->reply_post_host_index[msix_index]);
996 atomic_dec(&reply_q->busy);
999 writel(reply_q->reply_post_host_index | (msix_index <<
1000 MPI2_RPHI_MSIX_INDEX_SHIFT), &ioc->chip->ReplyPostHostIndex);
1001 atomic_dec(&reply_q->busy);
1006 * _base_is_controller_msix_enabled - is controller support muli-reply queues
1007 * @ioc: per adapter object
1011 _base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER *ioc)
1013 return (ioc->facts.IOCCapabilities &
1014 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable;
1018 * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues
1019 * @ioc: per adapter object
1020 * Context: ISR conext
1022 * Called when a Task Management request has completed. We want
1023 * to flush the other reply queues so all the outstanding IO has been
1024 * completed back to OS before we process the TM completetion.
1029 mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc)
1031 struct adapter_reply_queue *reply_q;
1033 /* If MSIX capability is turned off
1034 * then multi-queues are not enabled
1036 if (!_base_is_controller_msix_enabled(ioc))
1039 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
1040 if (ioc->shost_recovery)
1042 /* TMs are on msix_index == 0 */
1043 if (reply_q->msix_index == 0)
1045 _base_interrupt(reply_q->vector, (void *)reply_q);
1050 * mpt2sas_base_release_callback_handler - clear interrupt callback handler
1051 * @cb_idx: callback index
1056 mpt2sas_base_release_callback_handler(u8 cb_idx)
1058 mpt_callbacks[cb_idx] = NULL;
1062 * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler
1063 * @cb_func: callback function
1068 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func)
1072 for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--)
1073 if (mpt_callbacks[cb_idx] == NULL)
1076 mpt_callbacks[cb_idx] = cb_func;
1081 * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler
1086 mpt2sas_base_initialize_callback_handler(void)
1090 for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++)
1091 mpt2sas_base_release_callback_handler(cb_idx);
1095 * mpt2sas_base_build_zero_len_sge - build zero length sg entry
1096 * @ioc: per adapter object
1097 * @paddr: virtual address for SGE
1099 * Create a zero length scatter gather entry to insure the IOCs hardware has
1100 * something to use if the target device goes brain dead and tries
1101 * to send data even when none is asked for.
1106 mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr)
1108 u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT |
1109 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST |
1110 MPI2_SGE_FLAGS_SIMPLE_ELEMENT) <<
1111 MPI2_SGE_FLAGS_SHIFT);
1112 ioc->base_add_sg_single(paddr, flags_length, -1);
1116 * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr.
1117 * @paddr: virtual address for SGE
1118 * @flags_length: SGE flags and data transfer length
1119 * @dma_addr: Physical address
1124 _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr)
1126 Mpi2SGESimple32_t *sgel = paddr;
1128 flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING |
1129 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
1130 sgel->FlagsLength = cpu_to_le32(flags_length);
1131 sgel->Address = cpu_to_le32(dma_addr);
1136 * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr.
1137 * @paddr: virtual address for SGE
1138 * @flags_length: SGE flags and data transfer length
1139 * @dma_addr: Physical address
1144 _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr)
1146 Mpi2SGESimple64_t *sgel = paddr;
1148 flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING |
1149 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
1150 sgel->FlagsLength = cpu_to_le32(flags_length);
1151 sgel->Address = cpu_to_le64(dma_addr);
1154 #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
1157 * _base_config_dma_addressing - set dma addressing
1158 * @ioc: per adapter object
1159 * @pdev: PCI device struct
1161 * Returns 0 for success, non-zero for failure.
1164 _base_config_dma_addressing(struct MPT2SAS_ADAPTER *ioc, struct pci_dev *pdev)
1169 if (sizeof(dma_addr_t) > 4) {
1170 const uint64_t required_mask =
1171 dma_get_required_mask(&pdev->dev);
1172 if ((required_mask > DMA_BIT_MASK(32)) && !pci_set_dma_mask(pdev,
1173 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(pdev,
1174 DMA_BIT_MASK(64))) {
1175 ioc->base_add_sg_single = &_base_add_sg_single_64;
1176 ioc->sge_size = sizeof(Mpi2SGESimple64_t);
1182 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1183 && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
1184 ioc->base_add_sg_single = &_base_add_sg_single_32;
1185 ioc->sge_size = sizeof(Mpi2SGESimple32_t);
1192 printk(MPT2SAS_INFO_FMT "%s BIT PCI BUS DMA ADDRESSING SUPPORTED, "
1193 "total mem (%ld kB)\n", ioc->name, desc, convert_to_kb(s.totalram));
1199 * _base_check_enable_msix - checks MSIX capabable.
1200 * @ioc: per adapter object
1202 * Check to see if card is capable of MSIX, and set number
1203 * of available msix vectors
1206 _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc)
1209 u16 message_control;
1212 base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
1214 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not "
1215 "supported\n", ioc->name));
1219 /* get msix vector count */
1220 /* NUMA_IO not supported for older controllers */
1221 if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 ||
1222 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 ||
1223 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 ||
1224 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 ||
1225 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 ||
1226 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 ||
1227 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2)
1228 ioc->msix_vector_count = 1;
1230 pci_read_config_word(ioc->pdev, base + 2, &message_control);
1231 ioc->msix_vector_count = (message_control & 0x3FF) + 1;
1233 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "msix is supported, "
1234 "vector_count(%d)\n", ioc->name, ioc->msix_vector_count));
1240 * _base_free_irq - free irq
1241 * @ioc: per adapter object
1243 * Freeing respective reply_queue from the list.
1246 _base_free_irq(struct MPT2SAS_ADAPTER *ioc)
1248 struct adapter_reply_queue *reply_q, *next;
1250 if (list_empty(&ioc->reply_queue_list))
1253 list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
1254 list_del(&reply_q->list);
1255 synchronize_irq(reply_q->vector);
1256 free_irq(reply_q->vector, reply_q);
1262 * _base_request_irq - request irq
1263 * @ioc: per adapter object
1264 * @index: msix index into vector table
1265 * @vector: irq vector
1267 * Inserting respective reply_queue into the list.
1270 _base_request_irq(struct MPT2SAS_ADAPTER *ioc, u8 index, u32 vector)
1272 struct adapter_reply_queue *reply_q;
1275 reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL);
1277 printk(MPT2SAS_ERR_FMT "unable to allocate memory %d!\n",
1278 ioc->name, (int)sizeof(struct adapter_reply_queue));
1282 reply_q->msix_index = index;
1283 reply_q->vector = vector;
1284 atomic_set(&reply_q->busy, 0);
1285 if (ioc->msix_enable)
1286 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
1287 MPT2SAS_DRIVER_NAME, ioc->id, index);
1289 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
1290 MPT2SAS_DRIVER_NAME, ioc->id);
1291 r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name,
1294 printk(MPT2SAS_ERR_FMT "unable to allocate interrupt %d!\n",
1295 reply_q->name, vector);
1300 INIT_LIST_HEAD(&reply_q->list);
1301 list_add_tail(&reply_q->list, &ioc->reply_queue_list);
1306 * _base_assign_reply_queues - assigning msix index for each cpu
1307 * @ioc: per adapter object
1309 * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
1311 * It would nice if we could call irq_set_affinity, however it is not
1312 * an exported symbol
1315 _base_assign_reply_queues(struct MPT2SAS_ADAPTER *ioc)
1317 struct adapter_reply_queue *reply_q;
1319 int cpu_grouping, loop, grouping, grouping_mod;
1321 if (!_base_is_controller_msix_enabled(ioc))
1324 memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz);
1325 /* when there are more cpus than available msix vectors,
1326 * then group cpus togeather on same irq
1328 if (ioc->cpu_count > ioc->msix_vector_count) {
1329 grouping = ioc->cpu_count / ioc->msix_vector_count;
1330 grouping_mod = ioc->cpu_count % ioc->msix_vector_count;
1331 if (grouping < 2 || (grouping == 2 && !grouping_mod))
1333 else if (grouping < 4 || (grouping == 4 && !grouping_mod))
1335 else if (grouping < 8 || (grouping == 8 && !grouping_mod))
1343 reply_q = list_entry(ioc->reply_queue_list.next,
1344 struct adapter_reply_queue, list);
1345 for_each_online_cpu(cpu_id) {
1346 if (!cpu_grouping) {
1347 ioc->cpu_msix_table[cpu_id] = reply_q->msix_index;
1348 reply_q = list_entry(reply_q->list.next,
1349 struct adapter_reply_queue, list);
1351 if (loop < cpu_grouping) {
1352 ioc->cpu_msix_table[cpu_id] =
1353 reply_q->msix_index;
1356 reply_q = list_entry(reply_q->list.next,
1357 struct adapter_reply_queue, list);
1358 ioc->cpu_msix_table[cpu_id] =
1359 reply_q->msix_index;
1367 * _base_disable_msix - disables msix
1368 * @ioc: per adapter object
1372 _base_disable_msix(struct MPT2SAS_ADAPTER *ioc)
1374 if (ioc->msix_enable) {
1375 pci_disable_msix(ioc->pdev);
1376 ioc->msix_enable = 0;
1381 * _base_enable_msix - enables msix, failback to io_apic
1382 * @ioc: per adapter object
1386 _base_enable_msix(struct MPT2SAS_ADAPTER *ioc)
1388 struct msix_entry *entries, *a;
1393 INIT_LIST_HEAD(&ioc->reply_queue_list);
1395 if (msix_disable == -1 || msix_disable == 0)
1401 if (_base_check_enable_msix(ioc) != 0)
1404 ioc->reply_queue_count = min_t(int, ioc->cpu_count,
1405 ioc->msix_vector_count);
1407 entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry),
1410 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "kcalloc "
1411 "failed @ at %s:%d/%s() !!!\n", ioc->name, __FILE__,
1412 __LINE__, __func__));
1416 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++)
1419 r = pci_enable_msix(ioc->pdev, entries, ioc->reply_queue_count);
1421 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "pci_enable_msix "
1422 "failed (r=%d) !!!\n", ioc->name, r));
1427 ioc->msix_enable = 1;
1428 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) {
1429 r = _base_request_irq(ioc, i, a->vector);
1431 _base_free_irq(ioc);
1432 _base_disable_msix(ioc);
1441 /* failback to io_apic interrupt routing */
1444 r = _base_request_irq(ioc, 0, ioc->pdev->irq);
1450 * mpt2sas_base_map_resources - map in controller resources (io/irq/memap)
1451 * @ioc: per adapter object
1453 * Returns 0 for success, non-zero for failure.
1456 mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
1458 struct pci_dev *pdev = ioc->pdev;
1464 struct adapter_reply_queue *reply_q;
1466 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n",
1467 ioc->name, __func__));
1469 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
1470 if (pci_enable_device_mem(pdev)) {
1471 printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: "
1472 "failed\n", ioc->name);
1477 if (pci_request_selected_regions(pdev, ioc->bars,
1478 MPT2SAS_DRIVER_NAME)) {
1479 printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: "
1480 "failed\n", ioc->name);
1485 /* AER (Advanced Error Reporting) hooks */
1486 pci_enable_pcie_error_reporting(pdev);
1488 pci_set_master(pdev);
1490 if (_base_config_dma_addressing(ioc, pdev) != 0) {
1491 printk(MPT2SAS_WARN_FMT "no suitable DMA mask for %s\n",
1492 ioc->name, pci_name(pdev));
1497 for (i = 0, memap_sz = 0, pio_sz = 0 ; i < DEVICE_COUNT_RESOURCE; i++) {
1498 if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
1501 pio_chip = (u64)pci_resource_start(pdev, i);
1502 pio_sz = pci_resource_len(pdev, i);
1506 /* verify memory resource is valid before using */
1507 if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
1508 ioc->chip_phys = pci_resource_start(pdev, i);
1509 chip_phys = (u64)ioc->chip_phys;
1510 memap_sz = pci_resource_len(pdev, i);
1511 ioc->chip = ioremap(ioc->chip_phys, memap_sz);
1512 if (ioc->chip == NULL) {
1513 printk(MPT2SAS_ERR_FMT "unable to map "
1514 "adapter memory!\n", ioc->name);
1522 _base_mask_interrupts(ioc);
1523 r = _base_enable_msix(ioc);
1527 list_for_each_entry(reply_q, &ioc->reply_queue_list, list)
1528 printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n",
1529 reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
1530 "IO-APIC enabled"), reply_q->vector);
1532 printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
1533 ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz);
1534 printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n",
1535 ioc->name, (unsigned long long)pio_chip, pio_sz);
1537 /* Save PCI configuration state for recovery from PCI AER/EEH errors */
1538 pci_save_state(pdev);
1546 pci_release_selected_regions(ioc->pdev, ioc->bars);
1547 pci_disable_pcie_error_reporting(pdev);
1548 pci_disable_device(pdev);
1553 * mpt2sas_base_get_msg_frame - obtain request mf pointer
1554 * @ioc: per adapter object
1555 * @smid: system request message index(smid zero is invalid)
1557 * Returns virt pointer to message frame.
1560 mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1562 return (void *)(ioc->request + (smid * ioc->request_sz));
1566 * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request
1567 * @ioc: per adapter object
1568 * @smid: system request message index
1570 * Returns virt pointer to sense buffer.
1573 mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1575 return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
1579 * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request
1580 * @ioc: per adapter object
1581 * @smid: system request message index
1583 * Returns phys pointer to the low 32bit address of the sense buffer.
1586 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1588 return cpu_to_le32(ioc->sense_dma +
1589 ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
1593 * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address
1594 * @ioc: per adapter object
1595 * @phys_addr: lower 32 physical addr of the reply
1597 * Converts 32bit lower physical addr into a virt address.
1600 mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr)
1604 return ioc->reply + (phys_addr - (u32)ioc->reply_dma);
1608 * mpt2sas_base_get_smid - obtain a free smid from internal queue
1609 * @ioc: per adapter object
1610 * @cb_idx: callback index
1612 * Returns smid (zero is invalid)
1615 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx)
1617 unsigned long flags;
1618 struct request_tracker *request;
1621 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1622 if (list_empty(&ioc->internal_free_list)) {
1623 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1624 printk(MPT2SAS_ERR_FMT "%s: smid not available\n",
1625 ioc->name, __func__);
1629 request = list_entry(ioc->internal_free_list.next,
1630 struct request_tracker, tracker_list);
1631 request->cb_idx = cb_idx;
1632 smid = request->smid;
1633 list_del(&request->tracker_list);
1634 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1639 * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue
1640 * @ioc: per adapter object
1641 * @cb_idx: callback index
1642 * @scmd: pointer to scsi command object
1644 * Returns smid (zero is invalid)
1647 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
1648 struct scsi_cmnd *scmd)
1650 unsigned long flags;
1651 struct scsiio_tracker *request;
1654 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1655 if (list_empty(&ioc->free_list)) {
1656 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1657 printk(MPT2SAS_ERR_FMT "%s: smid not available\n",
1658 ioc->name, __func__);
1662 request = list_entry(ioc->free_list.next,
1663 struct scsiio_tracker, tracker_list);
1664 request->scmd = scmd;
1665 request->cb_idx = cb_idx;
1666 smid = request->smid;
1667 list_del(&request->tracker_list);
1668 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1673 * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue
1674 * @ioc: per adapter object
1675 * @cb_idx: callback index
1677 * Returns smid (zero is invalid)
1680 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx)
1682 unsigned long flags;
1683 struct request_tracker *request;
1686 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1687 if (list_empty(&ioc->hpr_free_list)) {
1688 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1692 request = list_entry(ioc->hpr_free_list.next,
1693 struct request_tracker, tracker_list);
1694 request->cb_idx = cb_idx;
1695 smid = request->smid;
1696 list_del(&request->tracker_list);
1697 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1703 * mpt2sas_base_free_smid - put smid back on free_list
1704 * @ioc: per adapter object
1705 * @smid: system request message index
1710 mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1712 unsigned long flags;
1714 struct chain_tracker *chain_req, *next;
1716 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1717 if (smid < ioc->hi_priority_smid) {
1720 if (!list_empty(&ioc->scsi_lookup[i].chain_list)) {
1721 list_for_each_entry_safe(chain_req, next,
1722 &ioc->scsi_lookup[i].chain_list, tracker_list) {
1723 list_del_init(&chain_req->tracker_list);
1724 list_add_tail(&chain_req->tracker_list,
1725 &ioc->free_chain_list);
1728 ioc->scsi_lookup[i].cb_idx = 0xFF;
1729 ioc->scsi_lookup[i].scmd = NULL;
1730 ioc->scsi_lookup[i].direct_io = 0;
1731 list_add_tail(&ioc->scsi_lookup[i].tracker_list,
1733 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1736 * See _wait_for_commands_to_complete() call with regards
1739 if (ioc->shost_recovery && ioc->pending_io_count) {
1740 if (ioc->pending_io_count == 1)
1741 wake_up(&ioc->reset_wq);
1742 ioc->pending_io_count--;
1745 } else if (smid < ioc->internal_smid) {
1747 i = smid - ioc->hi_priority_smid;
1748 ioc->hpr_lookup[i].cb_idx = 0xFF;
1749 list_add_tail(&ioc->hpr_lookup[i].tracker_list,
1750 &ioc->hpr_free_list);
1751 } else if (smid <= ioc->hba_queue_depth) {
1752 /* internal queue */
1753 i = smid - ioc->internal_smid;
1754 ioc->internal_lookup[i].cb_idx = 0xFF;
1755 list_add_tail(&ioc->internal_lookup[i].tracker_list,
1756 &ioc->internal_free_list);
1758 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1762 * _base_writeq - 64 bit write to MMIO
1763 * @ioc: per adapter object
1765 * @addr: address in MMIO space
1766 * @writeq_lock: spin lock
1768 * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
1769 * care of 32 bit environment where its not quarenteed to send the entire word
1773 static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
1774 spinlock_t *writeq_lock)
1776 unsigned long flags;
1777 __u64 data_out = cpu_to_le64(b);
1779 spin_lock_irqsave(writeq_lock, flags);
1780 writel((u32)(data_out), addr);
1781 writel((u32)(data_out >> 32), (addr + 4));
1782 spin_unlock_irqrestore(writeq_lock, flags);
1785 static inline void _base_writeq(__u64 b, volatile void __iomem *addr,
1786 spinlock_t *writeq_lock)
1788 writeq(cpu_to_le64(b), addr);
1793 _base_get_msix_index(struct MPT2SAS_ADAPTER *ioc)
1795 return ioc->cpu_msix_table[raw_smp_processor_id()];
1799 * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware
1800 * @ioc: per adapter object
1801 * @smid: system request message index
1802 * @handle: device handle
1807 mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid, u16 handle)
1809 Mpi2RequestDescriptorUnion_t descriptor;
1810 u64 *request = (u64 *)&descriptor;
1813 descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
1814 descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc);
1815 descriptor.SCSIIO.SMID = cpu_to_le16(smid);
1816 descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
1817 descriptor.SCSIIO.LMID = 0;
1818 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1819 &ioc->scsi_lookup_lock);
1824 * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware
1825 * @ioc: per adapter object
1826 * @smid: system request message index
1831 mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1833 Mpi2RequestDescriptorUnion_t descriptor;
1834 u64 *request = (u64 *)&descriptor;
1836 descriptor.HighPriority.RequestFlags =
1837 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1838 descriptor.HighPriority.MSIxIndex = 0;
1839 descriptor.HighPriority.SMID = cpu_to_le16(smid);
1840 descriptor.HighPriority.LMID = 0;
1841 descriptor.HighPriority.Reserved1 = 0;
1842 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1843 &ioc->scsi_lookup_lock);
1847 * mpt2sas_base_put_smid_default - Default, primarily used for config pages
1848 * @ioc: per adapter object
1849 * @smid: system request message index
1854 mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid)
1856 Mpi2RequestDescriptorUnion_t descriptor;
1857 u64 *request = (u64 *)&descriptor;
1859 descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1860 descriptor.Default.MSIxIndex = _base_get_msix_index(ioc);
1861 descriptor.Default.SMID = cpu_to_le16(smid);
1862 descriptor.Default.LMID = 0;
1863 descriptor.Default.DescriptorTypeDependent = 0;
1864 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1865 &ioc->scsi_lookup_lock);
1869 * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware
1870 * @ioc: per adapter object
1871 * @smid: system request message index
1872 * @io_index: value used to track the IO
1877 mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
1880 Mpi2RequestDescriptorUnion_t descriptor;
1881 u64 *request = (u64 *)&descriptor;
1883 descriptor.SCSITarget.RequestFlags =
1884 MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET;
1885 descriptor.SCSITarget.MSIxIndex = _base_get_msix_index(ioc);
1886 descriptor.SCSITarget.SMID = cpu_to_le16(smid);
1887 descriptor.SCSITarget.LMID = 0;
1888 descriptor.SCSITarget.IoIndex = cpu_to_le16(io_index);
1889 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
1890 &ioc->scsi_lookup_lock);
1894 * _base_display_dell_branding - Disply branding string
1895 * @ioc: per adapter object
1900 _base_display_dell_branding(struct MPT2SAS_ADAPTER *ioc)
1902 char dell_branding[MPT2SAS_DELL_BRANDING_SIZE];
1904 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL)
1907 memset(dell_branding, 0, MPT2SAS_DELL_BRANDING_SIZE);
1908 switch (ioc->pdev->subsystem_device) {
1909 case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
1910 strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING,
1911 MPT2SAS_DELL_BRANDING_SIZE - 1);
1913 case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
1914 strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING,
1915 MPT2SAS_DELL_BRANDING_SIZE - 1);
1917 case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
1918 strncpy(dell_branding,
1919 MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING,
1920 MPT2SAS_DELL_BRANDING_SIZE - 1);
1922 case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
1923 strncpy(dell_branding,
1924 MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING,
1925 MPT2SAS_DELL_BRANDING_SIZE - 1);
1927 case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
1928 strncpy(dell_branding,
1929 MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING,
1930 MPT2SAS_DELL_BRANDING_SIZE - 1);
1932 case MPT2SAS_DELL_PERC_H200_SSDID:
1933 strncpy(dell_branding, MPT2SAS_DELL_PERC_H200_BRANDING,
1934 MPT2SAS_DELL_BRANDING_SIZE - 1);
1936 case MPT2SAS_DELL_6GBPS_SAS_SSDID:
1937 strncpy(dell_branding, MPT2SAS_DELL_6GBPS_SAS_BRANDING,
1938 MPT2SAS_DELL_BRANDING_SIZE - 1);
1941 sprintf(dell_branding, "0x%4X", ioc->pdev->subsystem_device);
1945 printk(MPT2SAS_INFO_FMT "%s: Vendor(0x%04X), Device(0x%04X),"
1946 " SSVID(0x%04X), SSDID(0x%04X)\n", ioc->name, dell_branding,
1947 ioc->pdev->vendor, ioc->pdev->device, ioc->pdev->subsystem_vendor,
1948 ioc->pdev->subsystem_device);
1952 * _base_display_intel_branding - Display branding string
1953 * @ioc: per adapter object
1958 _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc)
1960 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL)
1963 switch (ioc->pdev->device) {
1964 case MPI2_MFGPAGE_DEVID_SAS2008:
1965 switch (ioc->pdev->subsystem_device) {
1966 case MPT2SAS_INTEL_RMS2LL080_SSDID:
1967 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1968 MPT2SAS_INTEL_RMS2LL080_BRANDING);
1970 case MPT2SAS_INTEL_RMS2LL040_SSDID:
1971 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1972 MPT2SAS_INTEL_RMS2LL040_BRANDING);
1974 case MPT2SAS_INTEL_RAMSDALE_SSDID:
1975 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1976 MPT2SAS_INTEL_RAMSDALE_BRANDING);
1981 case MPI2_MFGPAGE_DEVID_SAS2308_2:
1982 switch (ioc->pdev->subsystem_device) {
1983 case MPT2SAS_INTEL_RS25GB008_SSDID:
1984 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1985 MPT2SAS_INTEL_RS25GB008_BRANDING);
1987 case MPT2SAS_INTEL_RMS25JB080_SSDID:
1988 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1989 MPT2SAS_INTEL_RMS25JB080_BRANDING);
1991 case MPT2SAS_INTEL_RMS25JB040_SSDID:
1992 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1993 MPT2SAS_INTEL_RMS25JB040_BRANDING);
1995 case MPT2SAS_INTEL_RMS25KB080_SSDID:
1996 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
1997 MPT2SAS_INTEL_RMS25KB080_BRANDING);
1999 case MPT2SAS_INTEL_RMS25KB040_SSDID:
2000 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2001 MPT2SAS_INTEL_RMS25KB040_BRANDING);
2012 * _base_display_hp_branding - Display branding string
2013 * @ioc: per adapter object
2018 _base_display_hp_branding(struct MPT2SAS_ADAPTER *ioc)
2020 if (ioc->pdev->subsystem_vendor != MPT2SAS_HP_3PAR_SSVID)
2023 switch (ioc->pdev->device) {
2024 case MPI2_MFGPAGE_DEVID_SAS2004:
2025 switch (ioc->pdev->subsystem_device) {
2026 case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID:
2027 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2028 MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING);
2033 case MPI2_MFGPAGE_DEVID_SAS2308_2:
2034 switch (ioc->pdev->subsystem_device) {
2035 case MPT2SAS_HP_2_4_INTERNAL_SSDID:
2036 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2037 MPT2SAS_HP_2_4_INTERNAL_BRANDING);
2039 case MPT2SAS_HP_2_4_EXTERNAL_SSDID:
2040 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2041 MPT2SAS_HP_2_4_EXTERNAL_BRANDING);
2043 case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID:
2044 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2045 MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING);
2047 case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID:
2048 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2049 MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING);
2060 * _base_display_ioc_capabilities - Disply IOC's capabilities.
2061 * @ioc: per adapter object
2066 _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
2070 u32 iounit_pg1_flags;
2073 bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
2074 strncpy(desc, ioc->manu_pg0.ChipName, 16);
2075 printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "
2076 "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
2078 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
2079 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
2080 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
2081 ioc->facts.FWVersion.Word & 0x000000FF,
2082 ioc->pdev->revision,
2083 (bios_version & 0xFF000000) >> 24,
2084 (bios_version & 0x00FF0000) >> 16,
2085 (bios_version & 0x0000FF00) >> 8,
2086 bios_version & 0x000000FF);
2088 _base_display_dell_branding(ioc);
2089 _base_display_intel_branding(ioc);
2090 _base_display_hp_branding(ioc);
2092 printk(MPT2SAS_INFO_FMT "Protocol=(", ioc->name);
2094 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) {
2095 printk("Initiator");
2099 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) {
2100 printk("%sTarget", i ? "," : "");
2106 printk("Capabilities=(");
2108 if (!ioc->hide_ir_msg) {
2109 if (ioc->facts.IOCCapabilities &
2110 MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) {
2116 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) {
2117 printk("%sTLR", i ? "," : "");
2121 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) {
2122 printk("%sMulticast", i ? "," : "");
2126 if (ioc->facts.IOCCapabilities &
2127 MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) {
2128 printk("%sBIDI Target", i ? "," : "");
2132 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) {
2133 printk("%sEEDP", i ? "," : "");
2137 if (ioc->facts.IOCCapabilities &
2138 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) {
2139 printk("%sSnapshot Buffer", i ? "," : "");
2143 if (ioc->facts.IOCCapabilities &
2144 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) {
2145 printk("%sDiag Trace Buffer", i ? "," : "");
2149 if (ioc->facts.IOCCapabilities &
2150 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) {
2151 printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : "");
2155 if (ioc->facts.IOCCapabilities &
2156 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) {
2157 printk("%sTask Set Full", i ? "," : "");
2161 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
2162 if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) {
2163 printk("%sNCQ", i ? "," : "");
2171 * _base_update_missing_delay - change the missing delay timers
2172 * @ioc: per adapter object
2173 * @device_missing_delay: amount of time till device is reported missing
2174 * @io_missing_delay: interval IO is returned when there is a missing device
2178 * Passed on the command line, this function will modify the device missing
2179 * delay, as well as the io missing delay. This should be called at driver
2183 _base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
2184 u16 device_missing_delay, u8 io_missing_delay)
2186 u16 dmd, dmd_new, dmd_orignal;
2187 u8 io_missing_delay_original;
2189 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
2190 Mpi2ConfigReply_t mpi_reply;
2194 mpt2sas_config_get_number_hba_phys(ioc, &num_phys);
2198 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
2199 sizeof(Mpi2SasIOUnit1PhyData_t));
2200 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
2201 if (!sas_iounit_pg1) {
2202 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2203 ioc->name, __FILE__, __LINE__, __func__);
2206 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
2207 sas_iounit_pg1, sz))) {
2208 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2209 ioc->name, __FILE__, __LINE__, __func__);
2212 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
2213 MPI2_IOCSTATUS_MASK;
2214 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
2215 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
2216 ioc->name, __FILE__, __LINE__, __func__);
2220 /* device missing delay */
2221 dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
2222 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
2223 dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
2225 dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2227 if (device_missing_delay > 0x7F) {
2228 dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
2229 device_missing_delay;
2231 dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
2233 dmd = device_missing_delay;
2234 sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
2236 /* io missing delay */
2237 io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
2238 sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
2240 if (!mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
2242 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
2244 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
2247 dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2248 printk(MPT2SAS_INFO_FMT "device_missing_delay: old(%d), "
2249 "new(%d)\n", ioc->name, dmd_orignal, dmd_new);
2250 printk(MPT2SAS_INFO_FMT "ioc_missing_delay: old(%d), "
2251 "new(%d)\n", ioc->name, io_missing_delay_original,
2253 ioc->device_missing_delay = dmd_new;
2254 ioc->io_missing_delay = io_missing_delay;
2258 kfree(sas_iounit_pg1);
2262 * _base_static_config_pages - static start of day config pages
2263 * @ioc: per adapter object
2268 _base_static_config_pages(struct MPT2SAS_ADAPTER *ioc)
2270 Mpi2ConfigReply_t mpi_reply;
2271 u32 iounit_pg1_flags;
2273 mpt2sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
2274 if (ioc->ir_firmware)
2275 mpt2sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
2277 mpt2sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
2278 mpt2sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
2279 mpt2sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
2280 mpt2sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
2281 mpt2sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
2282 _base_display_ioc_capabilities(ioc);
2285 * Enable task_set_full handling in iounit_pg1 when the
2286 * facts capabilities indicate that its supported.
2288 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
2289 if ((ioc->facts.IOCCapabilities &
2290 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING))
2292 ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
2295 MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
2296 ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
2297 mpt2sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
2302 * _base_release_memory_pools - release memory
2303 * @ioc: per adapter object
2305 * Free memory allocated from _base_allocate_memory_pools.
2310 _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc)
2314 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2318 pci_free_consistent(ioc->pdev, ioc->request_dma_sz,
2319 ioc->request, ioc->request_dma);
2320 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "request_pool(0x%p)"
2321 ": free\n", ioc->name, ioc->request));
2322 ioc->request = NULL;
2326 pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
2327 if (ioc->sense_dma_pool)
2328 pci_pool_destroy(ioc->sense_dma_pool);
2329 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_pool(0x%p)"
2330 ": free\n", ioc->name, ioc->sense));
2335 pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
2336 if (ioc->reply_dma_pool)
2337 pci_pool_destroy(ioc->reply_dma_pool);
2338 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_pool(0x%p)"
2339 ": free\n", ioc->name, ioc->reply));
2343 if (ioc->reply_free) {
2344 pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
2345 ioc->reply_free_dma);
2346 if (ioc->reply_free_dma_pool)
2347 pci_pool_destroy(ioc->reply_free_dma_pool);
2348 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_pool"
2349 "(0x%p): free\n", ioc->name, ioc->reply_free));
2350 ioc->reply_free = NULL;
2353 if (ioc->reply_post_free) {
2354 pci_pool_free(ioc->reply_post_free_dma_pool,
2355 ioc->reply_post_free, ioc->reply_post_free_dma);
2356 if (ioc->reply_post_free_dma_pool)
2357 pci_pool_destroy(ioc->reply_post_free_dma_pool);
2358 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT
2359 "reply_post_free_pool(0x%p): free\n", ioc->name,
2360 ioc->reply_post_free));
2361 ioc->reply_post_free = NULL;
2364 if (ioc->config_page) {
2365 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT
2366 "config_page(0x%p): free\n", ioc->name,
2368 pci_free_consistent(ioc->pdev, ioc->config_page_sz,
2369 ioc->config_page, ioc->config_page_dma);
2372 if (ioc->scsi_lookup) {
2373 free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
2374 ioc->scsi_lookup = NULL;
2376 kfree(ioc->hpr_lookup);
2377 kfree(ioc->internal_lookup);
2378 if (ioc->chain_lookup) {
2379 for (i = 0; i < ioc->chain_depth; i++) {
2380 if (ioc->chain_lookup[i].chain_buffer)
2381 pci_pool_free(ioc->chain_dma_pool,
2382 ioc->chain_lookup[i].chain_buffer,
2383 ioc->chain_lookup[i].chain_buffer_dma);
2385 if (ioc->chain_dma_pool)
2386 pci_pool_destroy(ioc->chain_dma_pool);
2387 free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
2388 ioc->chain_lookup = NULL;
2394 * _base_allocate_memory_pools - allocate start of day memory pools
2395 * @ioc: per adapter object
2396 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2398 * Returns 0 success, anything else error
2401 _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
2403 struct mpt2sas_facts *facts;
2404 u16 max_sge_elements;
2405 u16 chains_needed_per_io;
2406 u32 sz, total_sz, reply_post_free_sz;
2408 u16 max_request_credit;
2411 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
2415 facts = &ioc->facts;
2417 /* command line tunables for max sgl entries */
2418 if (max_sgl_entries != -1) {
2419 ioc->shost->sg_tablesize = (max_sgl_entries <
2420 MPT2SAS_SG_DEPTH) ? max_sgl_entries :
2423 ioc->shost->sg_tablesize = MPT2SAS_SG_DEPTH;
2426 /* command line tunables for max controller queue depth */
2427 if (max_queue_depth != -1 && max_queue_depth != 0) {
2428 max_request_credit = min_t(u16, max_queue_depth +
2429 ioc->hi_priority_depth + ioc->internal_depth,
2430 facts->RequestCredit);
2431 if (max_request_credit > MAX_HBA_QUEUE_DEPTH)
2432 max_request_credit = MAX_HBA_QUEUE_DEPTH;
2434 max_request_credit = min_t(u16, facts->RequestCredit,
2435 MAX_HBA_QUEUE_DEPTH);
2437 ioc->hba_queue_depth = max_request_credit;
2438 ioc->hi_priority_depth = facts->HighPriorityCredit;
2439 ioc->internal_depth = ioc->hi_priority_depth + 5;
2441 /* request frame size */
2442 ioc->request_sz = facts->IOCRequestFrameSize * 4;
2444 /* reply frame size */
2445 ioc->reply_sz = facts->ReplyFrameSize * 4;
2449 /* calculate number of sg elements left over in the 1st frame */
2450 max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) -
2451 sizeof(Mpi2SGEIOUnion_t)) + ioc->sge_size);
2452 ioc->max_sges_in_main_message = max_sge_elements/ioc->sge_size;
2454 /* now do the same for a chain buffer */
2455 max_sge_elements = ioc->request_sz - ioc->sge_size;
2456 ioc->max_sges_in_chain_message = max_sge_elements/ioc->sge_size;
2458 ioc->chain_offset_value_for_main_message =
2459 ((sizeof(Mpi2SCSIIORequest_t) - sizeof(Mpi2SGEIOUnion_t)) +
2460 (ioc->max_sges_in_chain_message * ioc->sge_size)) / 4;
2463 * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE
2465 chains_needed_per_io = ((ioc->shost->sg_tablesize -
2466 ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message)
2468 if (chains_needed_per_io > facts->MaxChainDepth) {
2469 chains_needed_per_io = facts->MaxChainDepth;
2470 ioc->shost->sg_tablesize = min_t(u16,
2471 ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message
2472 * chains_needed_per_io), ioc->shost->sg_tablesize);
2474 ioc->chains_needed_per_io = chains_needed_per_io;
2476 /* reply free queue sizing - taking into account for 64 FW events */
2477 ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
2479 /* align the reply post queue on the next 16 count boundary */
2480 if (!ioc->reply_free_queue_depth % 16)
2481 ioc->reply_post_queue_depth = ioc->reply_free_queue_depth + 16;
2483 ioc->reply_post_queue_depth = ioc->reply_free_queue_depth +
2484 32 - (ioc->reply_free_queue_depth % 16);
2485 if (ioc->reply_post_queue_depth >
2486 facts->MaxReplyDescriptorPostQueueDepth) {
2487 ioc->reply_post_queue_depth = min_t(u16,
2488 (facts->MaxReplyDescriptorPostQueueDepth -
2489 (facts->MaxReplyDescriptorPostQueueDepth % 16)),
2490 (ioc->hba_queue_depth - (ioc->hba_queue_depth % 16)));
2491 ioc->reply_free_queue_depth = ioc->reply_post_queue_depth - 16;
2492 ioc->hba_queue_depth = ioc->reply_free_queue_depth - 64;
2496 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: "
2497 "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), "
2498 "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message,
2499 ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize,
2500 ioc->chains_needed_per_io));
2502 ioc->scsiio_depth = ioc->hba_queue_depth -
2503 ioc->hi_priority_depth - ioc->internal_depth;
2505 /* set the scsi host can_queue depth
2506 * with some internal commands that could be outstanding
2508 ioc->shost->can_queue = ioc->scsiio_depth;
2509 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: "
2510 "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue));
2512 /* contiguous pool for request and chains, 16 byte align, one extra "
2515 ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
2516 sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
2518 /* hi-priority queue */
2519 sz += (ioc->hi_priority_depth * ioc->request_sz);
2521 /* internal queue */
2522 sz += (ioc->internal_depth * ioc->request_sz);
2524 ioc->request_dma_sz = sz;
2525 ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma);
2526 if (!ioc->request) {
2527 printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent "
2528 "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
2529 "total(%d kB)\n", ioc->name, ioc->hba_queue_depth,
2530 ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
2531 if (ioc->scsiio_depth < MPT2SAS_SAS_QUEUE_DEPTH)
2534 ioc->hba_queue_depth = max_request_credit - retry_sz;
2535 goto retry_allocation;
2539 printk(MPT2SAS_ERR_FMT "request pool: pci_alloc_consistent "
2540 "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
2541 "total(%d kb)\n", ioc->name, ioc->hba_queue_depth,
2542 ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
2545 /* hi-priority queue */
2546 ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) *
2548 ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) *
2551 /* internal queue */
2552 ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth *
2554 ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
2558 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool(0x%p): "
2559 "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
2560 ioc->request, ioc->hba_queue_depth, ioc->request_sz,
2561 (ioc->hba_queue_depth * ioc->request_sz)/1024));
2562 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request pool: dma(0x%llx)\n",
2563 ioc->name, (unsigned long long) ioc->request_dma));
2566 sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker);
2567 ioc->scsi_lookup_pages = get_order(sz);
2568 ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages(
2569 GFP_KERNEL, ioc->scsi_lookup_pages);
2570 if (!ioc->scsi_lookup) {
2571 printk(MPT2SAS_ERR_FMT "scsi_lookup: get_free_pages failed, "
2572 "sz(%d)\n", ioc->name, (int)sz);
2576 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsiio(0x%p): "
2577 "depth(%d)\n", ioc->name, ioc->request,
2578 ioc->scsiio_depth));
2580 ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH);
2581 sz = ioc->chain_depth * sizeof(struct chain_tracker);
2582 ioc->chain_pages = get_order(sz);
2584 ioc->chain_lookup = (struct chain_tracker *)__get_free_pages(
2585 GFP_KERNEL, ioc->chain_pages);
2586 if (!ioc->chain_lookup) {
2587 printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, "
2588 "sz(%d)\n", ioc->name, (int)sz);
2591 ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
2592 ioc->request_sz, 16, 0);
2593 if (!ioc->chain_dma_pool) {
2594 printk(MPT2SAS_ERR_FMT "chain_dma_pool: pci_pool_create "
2595 "failed\n", ioc->name);
2598 for (i = 0; i < ioc->chain_depth; i++) {
2599 ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
2600 ioc->chain_dma_pool , GFP_KERNEL,
2601 &ioc->chain_lookup[i].chain_buffer_dma);
2602 if (!ioc->chain_lookup[i].chain_buffer) {
2603 ioc->chain_depth = i;
2606 total_sz += ioc->request_sz;
2609 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "chain pool depth"
2610 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name,
2611 ioc->chain_depth, ioc->request_sz, ((ioc->chain_depth *
2612 ioc->request_sz))/1024));
2614 /* initialize hi-priority queue smid's */
2615 ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
2616 sizeof(struct request_tracker), GFP_KERNEL);
2617 if (!ioc->hpr_lookup) {
2618 printk(MPT2SAS_ERR_FMT "hpr_lookup: kcalloc failed\n",
2622 ioc->hi_priority_smid = ioc->scsiio_depth + 1;
2623 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hi_priority(0x%p): "
2624 "depth(%d), start smid(%d)\n", ioc->name, ioc->hi_priority,
2625 ioc->hi_priority_depth, ioc->hi_priority_smid));
2627 /* initialize internal queue smid's */
2628 ioc->internal_lookup = kcalloc(ioc->internal_depth,
2629 sizeof(struct request_tracker), GFP_KERNEL);
2630 if (!ioc->internal_lookup) {
2631 printk(MPT2SAS_ERR_FMT "internal_lookup: kcalloc failed\n",
2635 ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth;
2636 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "internal(0x%p): "
2637 "depth(%d), start smid(%d)\n", ioc->name, ioc->internal,
2638 ioc->internal_depth, ioc->internal_smid));
2640 /* sense buffers, 4 byte align */
2641 sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
2642 ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4,
2644 if (!ioc->sense_dma_pool) {
2645 printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_create failed\n",
2649 ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL,
2652 printk(MPT2SAS_ERR_FMT "sense pool: pci_pool_alloc failed\n",
2656 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
2657 "sense pool(0x%p): depth(%d), element_size(%d), pool_size"
2658 "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth,
2659 SCSI_SENSE_BUFFERSIZE, sz/1024));
2660 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "sense_dma(0x%llx)\n",
2661 ioc->name, (unsigned long long)ioc->sense_dma));
2664 /* reply pool, 4 byte align */
2665 sz = ioc->reply_free_queue_depth * ioc->reply_sz;
2666 ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4,
2668 if (!ioc->reply_dma_pool) {
2669 printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_create failed\n",
2673 ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL,
2676 printk(MPT2SAS_ERR_FMT "reply pool: pci_pool_alloc failed\n",
2680 ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
2681 ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
2682 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply pool(0x%p): depth"
2683 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc->name, ioc->reply,
2684 ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
2685 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_dma(0x%llx)\n",
2686 ioc->name, (unsigned long long)ioc->reply_dma));
2689 /* reply free queue, 16 byte align */
2690 sz = ioc->reply_free_queue_depth * 4;
2691 ioc->reply_free_dma_pool = pci_pool_create("reply_free pool",
2692 ioc->pdev, sz, 16, 0);
2693 if (!ioc->reply_free_dma_pool) {
2694 printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_create "
2695 "failed\n", ioc->name);
2698 ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
2699 &ioc->reply_free_dma);
2700 if (!ioc->reply_free) {
2701 printk(MPT2SAS_ERR_FMT "reply_free pool: pci_pool_alloc "
2702 "failed\n", ioc->name);
2705 memset(ioc->reply_free, 0, sz);
2706 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free pool(0x%p): "
2707 "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name,
2708 ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024));
2709 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_free_dma"
2710 "(0x%llx)\n", ioc->name, (unsigned long long)ioc->reply_free_dma));
2713 /* reply post queue, 16 byte align */
2714 reply_post_free_sz = ioc->reply_post_queue_depth *
2715 sizeof(Mpi2DefaultReplyDescriptor_t);
2716 if (_base_is_controller_msix_enabled(ioc))
2717 sz = reply_post_free_sz * ioc->reply_queue_count;
2719 sz = reply_post_free_sz;
2720 ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
2721 ioc->pdev, sz, 16, 0);
2722 if (!ioc->reply_post_free_dma_pool) {
2723 printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_create "
2724 "failed\n", ioc->name);
2727 ioc->reply_post_free = pci_pool_alloc(ioc->reply_post_free_dma_pool ,
2728 GFP_KERNEL, &ioc->reply_post_free_dma);
2729 if (!ioc->reply_post_free) {
2730 printk(MPT2SAS_ERR_FMT "reply_post_free pool: pci_pool_alloc "
2731 "failed\n", ioc->name);
2734 memset(ioc->reply_post_free, 0, sz);
2735 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply post free pool"
2736 "(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n",
2737 ioc->name, ioc->reply_post_free, ioc->reply_post_queue_depth, 8,
2739 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "reply_post_free_dma = "
2740 "(0x%llx)\n", ioc->name, (unsigned long long)
2741 ioc->reply_post_free_dma));
2744 ioc->config_page_sz = 512;
2745 ioc->config_page = pci_alloc_consistent(ioc->pdev,
2746 ioc->config_page_sz, &ioc->config_page_dma);
2747 if (!ioc->config_page) {
2748 printk(MPT2SAS_ERR_FMT "config page: pci_pool_alloc "
2749 "failed\n", ioc->name);
2752 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config page(0x%p): size"
2753 "(%d)\n", ioc->name, ioc->config_page, ioc->config_page_sz));
2754 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "config_page_dma"
2755 "(0x%llx)\n", ioc->name, (unsigned long long)ioc->config_page_dma));
2756 total_sz += ioc->config_page_sz;
2758 printk(MPT2SAS_INFO_FMT "Allocated physical memory: size(%d kB)\n",
2759 ioc->name, total_sz/1024);
2760 printk(MPT2SAS_INFO_FMT "Current Controller Queue Depth(%d), "
2761 "Max Controller Queue Depth(%d)\n",
2762 ioc->name, ioc->shost->can_queue, facts->RequestCredit);
2763 printk(MPT2SAS_INFO_FMT "Scatter Gather Elements per IO(%d)\n",
2764 ioc->name, ioc->shost->sg_tablesize);
2773 * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter.
2774 * @ioc: Pointer to MPT_ADAPTER structure
2775 * @cooked: Request raw or cooked IOC state
2777 * Returns all IOC Doorbell register bits if cooked==0, else just the
2778 * Doorbell bits in MPI_IOC_STATE_MASK.
2781 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked)
2785 s = readl(&ioc->chip->Doorbell);
2786 sc = s & MPI2_IOC_STATE_MASK;
2787 return cooked ? sc : s;
2791 * _base_wait_on_iocstate - waiting on a particular ioc state
2792 * @ioc_state: controller state { READY, OPERATIONAL, or RESET }
2793 * @timeout: timeout in second
2794 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2796 * Returns 0 for success, non-zero for failure.
2799 _base_wait_on_iocstate(struct MPT2SAS_ADAPTER *ioc, u32 ioc_state, int timeout,
2806 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2808 current_state = mpt2sas_base_get_iocstate(ioc, 1);
2809 if (current_state == ioc_state)
2811 if (count && current_state == MPI2_IOC_STATE_FAULT)
2813 if (sleep_flag == CAN_SLEEP)
2820 return current_state;
2824 * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by
2825 * a write to the doorbell)
2826 * @ioc: per adapter object
2827 * @timeout: timeout in second
2828 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2830 * Returns 0 for success, non-zero for failure.
2832 * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell.
2835 _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER *ioc, int timeout,
2842 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2844 int_status = readl(&ioc->chip->HostInterruptStatus);
2845 if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
2846 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2847 "successful count(%d), timeout(%d)\n", ioc->name,
2848 __func__, count, timeout));
2851 if (sleep_flag == CAN_SLEEP)
2858 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
2859 "int_status(%x)!\n", ioc->name, __func__, count, int_status);
2864 * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell.
2865 * @ioc: per adapter object
2866 * @timeout: timeout in second
2867 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2869 * Returns 0 for success, non-zero for failure.
2871 * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to
2875 _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER *ioc, int timeout,
2883 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2885 int_status = readl(&ioc->chip->HostInterruptStatus);
2886 if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) {
2887 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2888 "successful count(%d), timeout(%d)\n", ioc->name,
2889 __func__, count, timeout));
2891 } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
2892 doorbell = readl(&ioc->chip->Doorbell);
2893 if ((doorbell & MPI2_IOC_STATE_MASK) ==
2894 MPI2_IOC_STATE_FAULT) {
2895 mpt2sas_base_fault_info(ioc , doorbell);
2898 } else if (int_status == 0xFFFFFFFF)
2901 if (sleep_flag == CAN_SLEEP)
2909 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
2910 "int_status(%x)!\n", ioc->name, __func__, count, int_status);
2915 * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use
2916 * @ioc: per adapter object
2917 * @timeout: timeout in second
2918 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2920 * Returns 0 for success, non-zero for failure.
2924 _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER *ioc, int timeout,
2931 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
2933 doorbell_reg = readl(&ioc->chip->Doorbell);
2934 if (!(doorbell_reg & MPI2_DOORBELL_USED)) {
2935 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
2936 "successful count(%d), timeout(%d)\n", ioc->name,
2937 __func__, count, timeout));
2940 if (sleep_flag == CAN_SLEEP)
2947 printk(MPT2SAS_ERR_FMT "%s: failed due to timeout count(%d), "
2948 "doorbell_reg(%x)!\n", ioc->name, __func__, count, doorbell_reg);
2953 * _base_send_ioc_reset - send doorbell reset
2954 * @ioc: per adapter object
2955 * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
2956 * @timeout: timeout in second
2957 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2959 * Returns 0 for success, non-zero for failure.
2962 _base_send_ioc_reset(struct MPT2SAS_ADAPTER *ioc, u8 reset_type, int timeout,
2968 if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) {
2969 printk(MPT2SAS_ERR_FMT "%s: unknown reset_type\n",
2970 ioc->name, __func__);
2974 if (!(ioc->facts.IOCCapabilities &
2975 MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY))
2978 printk(MPT2SAS_INFO_FMT "sending message unit reset !!\n", ioc->name);
2980 writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT,
2981 &ioc->chip->Doorbell);
2982 if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) {
2986 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY,
2987 timeout, sleep_flag);
2989 printk(MPT2SAS_ERR_FMT "%s: failed going to ready state "
2990 " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state);
2995 printk(MPT2SAS_INFO_FMT "message unit reset: %s\n",
2996 ioc->name, ((r == 0) ? "SUCCESS" : "FAILED"));
3001 * _base_handshake_req_reply_wait - send request thru doorbell interface
3002 * @ioc: per adapter object
3003 * @request_bytes: request length
3004 * @request: pointer having request payload
3005 * @reply_bytes: reply length
3006 * @reply: pointer to reply payload
3007 * @timeout: timeout in second
3008 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3010 * Returns 0 for success, non-zero for failure.
3013 _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER *ioc, int request_bytes,
3014 u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag)
3016 MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply;
3022 /* make sure doorbell is not in use */
3023 if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
3024 printk(MPT2SAS_ERR_FMT "doorbell is in use "
3025 " (line=%d)\n", ioc->name, __LINE__);
3029 /* clear pending doorbell interrupts from previous state changes */
3030 if (readl(&ioc->chip->HostInterruptStatus) &
3031 MPI2_HIS_IOC2SYS_DB_STATUS)
3032 writel(0, &ioc->chip->HostInterruptStatus);
3034 /* send message to ioc */
3035 writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) |
3036 ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)),
3037 &ioc->chip->Doorbell);
3039 if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) {
3040 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3041 "int failed (line=%d)\n", ioc->name, __LINE__);
3044 writel(0, &ioc->chip->HostInterruptStatus);
3046 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) {
3047 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3048 "ack failed (line=%d)\n", ioc->name, __LINE__);
3052 /* send message 32-bits at a time */
3053 for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) {
3054 writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell);
3055 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag)))
3060 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3061 "sending request failed (line=%d)\n", ioc->name, __LINE__);
3065 /* now wait for the reply */
3066 if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) {
3067 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3068 "int failed (line=%d)\n", ioc->name, __LINE__);
3072 /* read the first two 16-bits, it gives the total length of the reply */
3073 reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3074 & MPI2_DOORBELL_DATA_MASK);
3075 writel(0, &ioc->chip->HostInterruptStatus);
3076 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
3077 printk(MPT2SAS_ERR_FMT "doorbell handshake "
3078 "int failed (line=%d)\n", ioc->name, __LINE__);
3081 reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3082 & MPI2_DOORBELL_DATA_MASK);
3083 writel(0, &ioc->chip->HostInterruptStatus);
3085 for (i = 2; i < default_reply->MsgLength * 2; i++) {
3086 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
3087 printk(MPT2SAS_ERR_FMT "doorbell "
3088 "handshake int failed (line=%d)\n", ioc->name,
3092 if (i >= reply_bytes/2) /* overflow case */
3093 dummy = readl(&ioc->chip->Doorbell);
3095 reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3096 & MPI2_DOORBELL_DATA_MASK);
3097 writel(0, &ioc->chip->HostInterruptStatus);
3100 _base_wait_for_doorbell_int(ioc, 5, sleep_flag);
3101 if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) {
3102 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "doorbell is in use "
3103 " (line=%d)\n", ioc->name, __LINE__));
3105 writel(0, &ioc->chip->HostInterruptStatus);
3107 if (ioc->logging_level & MPT_DEBUG_INIT) {
3108 mfp = (__le32 *)reply;
3109 printk(KERN_INFO "\toffset:data\n");
3110 for (i = 0; i < reply_bytes/4; i++)
3111 printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4,
3112 le32_to_cpu(mfp[i]));
3118 * mpt2sas_base_sas_iounit_control - send sas iounit control to FW
3119 * @ioc: per adapter object
3120 * @mpi_reply: the reply payload from FW
3121 * @mpi_request: the request payload sent to FW
3123 * The SAS IO Unit Control Request message allows the host to perform low-level
3124 * operations, such as resets on the PHYs of the IO Unit, also allows the host
3125 * to obtain the IOC assigned device handles for a device if it has other
3126 * identifying information about the device, in addition allows the host to
3127 * remove IOC resources associated with the device.
3129 * Returns 0 for success, non-zero for failure.
3132 mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
3133 Mpi2SasIoUnitControlReply_t *mpi_reply,
3134 Mpi2SasIoUnitControlRequest_t *mpi_request)
3138 unsigned long timeleft;
3142 u16 wait_state_count;
3144 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3147 mutex_lock(&ioc->base_cmds.mutex);
3149 if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) {
3150 printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n",
3151 ioc->name, __func__);
3156 wait_state_count = 0;
3157 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3158 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3159 if (wait_state_count++ == 10) {
3160 printk(MPT2SAS_ERR_FMT
3161 "%s: failed due to ioc not operational\n",
3162 ioc->name, __func__);
3167 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3168 printk(MPT2SAS_INFO_FMT "%s: waiting for "
3169 "operational state(count=%d)\n", ioc->name,
3170 __func__, wait_state_count);
3173 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
3175 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3176 ioc->name, __func__);
3182 ioc->base_cmds.status = MPT2_CMD_PENDING;
3183 request = mpt2sas_base_get_msg_frame(ioc, smid);
3184 ioc->base_cmds.smid = smid;
3185 memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t));
3186 if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
3187 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET)
3188 ioc->ioc_link_reset_in_progress = 1;
3189 init_completion(&ioc->base_cmds.done);
3190 mpt2sas_base_put_smid_default(ioc, smid);
3191 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
3192 msecs_to_jiffies(10000));
3193 if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
3194 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) &&
3195 ioc->ioc_link_reset_in_progress)
3196 ioc->ioc_link_reset_in_progress = 0;
3197 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
3198 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3199 ioc->name, __func__);
3200 _debug_dump_mf(mpi_request,
3201 sizeof(Mpi2SasIoUnitControlRequest_t)/4);
3202 if (!(ioc->base_cmds.status & MPT2_CMD_RESET))
3204 goto issue_host_reset;
3206 if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID)
3207 memcpy(mpi_reply, ioc->base_cmds.reply,
3208 sizeof(Mpi2SasIoUnitControlReply_t));
3210 memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t));
3211 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3216 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
3218 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3221 mutex_unlock(&ioc->base_cmds.mutex);
3227 * mpt2sas_base_scsi_enclosure_processor - sending request to sep device
3228 * @ioc: per adapter object
3229 * @mpi_reply: the reply payload from FW
3230 * @mpi_request: the request payload sent to FW
3232 * The SCSI Enclosure Processor request message causes the IOC to
3233 * communicate with SES devices to control LED status signals.
3235 * Returns 0 for success, non-zero for failure.
3238 mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
3239 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request)
3243 unsigned long timeleft;
3247 u16 wait_state_count;
3249 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3252 mutex_lock(&ioc->base_cmds.mutex);
3254 if (ioc->base_cmds.status != MPT2_CMD_NOT_USED) {
3255 printk(MPT2SAS_ERR_FMT "%s: base_cmd in use\n",
3256 ioc->name, __func__);
3261 wait_state_count = 0;
3262 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3263 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3264 if (wait_state_count++ == 10) {
3265 printk(MPT2SAS_ERR_FMT
3266 "%s: failed due to ioc not operational\n",
3267 ioc->name, __func__);
3272 ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
3273 printk(MPT2SAS_INFO_FMT "%s: waiting for "
3274 "operational state(count=%d)\n", ioc->name,
3275 __func__, wait_state_count);
3278 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
3280 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3281 ioc->name, __func__);
3287 ioc->base_cmds.status = MPT2_CMD_PENDING;
3288 request = mpt2sas_base_get_msg_frame(ioc, smid);
3289 ioc->base_cmds.smid = smid;
3290 memcpy(request, mpi_request, sizeof(Mpi2SepReply_t));
3291 init_completion(&ioc->base_cmds.done);
3292 mpt2sas_base_put_smid_default(ioc, smid);
3293 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
3294 msecs_to_jiffies(10000));
3295 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
3296 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3297 ioc->name, __func__);
3298 _debug_dump_mf(mpi_request,
3299 sizeof(Mpi2SepRequest_t)/4);
3300 if (!(ioc->base_cmds.status & MPT2_CMD_RESET))
3302 goto issue_host_reset;
3304 if (ioc->base_cmds.status & MPT2_CMD_REPLY_VALID)
3305 memcpy(mpi_reply, ioc->base_cmds.reply,
3306 sizeof(Mpi2SepReply_t));
3308 memset(mpi_reply, 0, sizeof(Mpi2SepReply_t));
3309 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3314 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
3316 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3319 mutex_unlock(&ioc->base_cmds.mutex);
3324 * _base_get_port_facts - obtain port facts reply and save in ioc
3325 * @ioc: per adapter object
3326 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3328 * Returns 0 for success, non-zero for failure.
3331 _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag)
3333 Mpi2PortFactsRequest_t mpi_request;
3334 Mpi2PortFactsReply_t mpi_reply;
3335 struct mpt2sas_port_facts *pfacts;
3336 int mpi_reply_sz, mpi_request_sz, r;
3338 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3341 mpi_reply_sz = sizeof(Mpi2PortFactsReply_t);
3342 mpi_request_sz = sizeof(Mpi2PortFactsRequest_t);
3343 memset(&mpi_request, 0, mpi_request_sz);
3344 mpi_request.Function = MPI2_FUNCTION_PORT_FACTS;
3345 mpi_request.PortNumber = port;
3346 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
3347 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
3350 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3351 ioc->name, __func__, r);
3355 pfacts = &ioc->pfacts[port];
3356 memset(pfacts, 0, sizeof(struct mpt2sas_port_facts));
3357 pfacts->PortNumber = mpi_reply.PortNumber;
3358 pfacts->VP_ID = mpi_reply.VP_ID;
3359 pfacts->VF_ID = mpi_reply.VF_ID;
3360 pfacts->MaxPostedCmdBuffers =
3361 le16_to_cpu(mpi_reply.MaxPostedCmdBuffers);
3367 * _base_get_ioc_facts - obtain ioc facts reply and save in ioc
3368 * @ioc: per adapter object
3369 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3371 * Returns 0 for success, non-zero for failure.
3374 _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3376 Mpi2IOCFactsRequest_t mpi_request;
3377 Mpi2IOCFactsReply_t mpi_reply;
3378 struct mpt2sas_facts *facts;
3379 int mpi_reply_sz, mpi_request_sz, r;
3381 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3384 mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t);
3385 mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t);
3386 memset(&mpi_request, 0, mpi_request_sz);
3387 mpi_request.Function = MPI2_FUNCTION_IOC_FACTS;
3388 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
3389 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
3392 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3393 ioc->name, __func__, r);
3397 facts = &ioc->facts;
3398 memset(facts, 0, sizeof(struct mpt2sas_facts));
3399 facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion);
3400 facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion);
3401 facts->VP_ID = mpi_reply.VP_ID;
3402 facts->VF_ID = mpi_reply.VF_ID;
3403 facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions);
3404 facts->MaxChainDepth = mpi_reply.MaxChainDepth;
3405 facts->WhoInit = mpi_reply.WhoInit;
3406 facts->NumberOfPorts = mpi_reply.NumberOfPorts;
3407 facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors;
3408 facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit);
3409 facts->MaxReplyDescriptorPostQueueDepth =
3410 le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth);
3411 facts->ProductID = le16_to_cpu(mpi_reply.ProductID);
3412 facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities);
3413 if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID))
3414 ioc->ir_firmware = 1;
3415 facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word);
3416 facts->IOCRequestFrameSize =
3417 le16_to_cpu(mpi_reply.IOCRequestFrameSize);
3418 facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators);
3419 facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets);
3420 ioc->shost->max_id = -1;
3421 facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders);
3422 facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures);
3423 facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags);
3424 facts->HighPriorityCredit =
3425 le16_to_cpu(mpi_reply.HighPriorityCredit);
3426 facts->ReplyFrameSize = mpi_reply.ReplyFrameSize;
3427 facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle);
3429 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "hba queue depth(%d), "
3430 "max chains per io(%d)\n", ioc->name, facts->RequestCredit,
3431 facts->MaxChainDepth));
3432 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "request frame size(%d), "
3433 "reply frame size(%d)\n", ioc->name,
3434 facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4));
3439 * _base_send_ioc_init - send ioc_init to firmware
3440 * @ioc: per adapter object
3441 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3443 * Returns 0 for success, non-zero for failure.
3446 _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3448 Mpi2IOCInitRequest_t mpi_request;
3449 Mpi2IOCInitReply_t mpi_reply;
3451 struct timeval current_time;
3454 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3457 memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t));
3458 mpi_request.Function = MPI2_FUNCTION_IOC_INIT;
3459 mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER;
3460 mpi_request.VF_ID = 0; /* TODO */
3461 mpi_request.VP_ID = 0;
3462 mpi_request.MsgVersion = cpu_to_le16(MPI2_VERSION);
3463 mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
3465 if (_base_is_controller_msix_enabled(ioc))
3466 mpi_request.HostMSIxVectors = ioc->reply_queue_count;
3467 mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4);
3468 mpi_request.ReplyDescriptorPostQueueDepth =
3469 cpu_to_le16(ioc->reply_post_queue_depth);
3470 mpi_request.ReplyFreeQueueDepth =
3471 cpu_to_le16(ioc->reply_free_queue_depth);
3473 mpi_request.SenseBufferAddressHigh =
3474 cpu_to_le32((u64)ioc->sense_dma >> 32);
3475 mpi_request.SystemReplyAddressHigh =
3476 cpu_to_le32((u64)ioc->reply_dma >> 32);
3477 mpi_request.SystemRequestFrameBaseAddress =
3478 cpu_to_le64((u64)ioc->request_dma);
3479 mpi_request.ReplyFreeQueueAddress =
3480 cpu_to_le64((u64)ioc->reply_free_dma);
3481 mpi_request.ReplyDescriptorPostQueueAddress =
3482 cpu_to_le64((u64)ioc->reply_post_free_dma);
3485 /* This time stamp specifies number of milliseconds
3486 * since epoch ~ midnight January 1, 1970.
3488 do_gettimeofday(¤t_time);
3489 mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 +
3490 (current_time.tv_usec / 1000));
3492 if (ioc->logging_level & MPT_DEBUG_INIT) {
3496 mfp = (__le32 *)&mpi_request;
3497 printk(KERN_INFO "\toffset:data\n");
3498 for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++)
3499 printk(KERN_INFO "\t[0x%02x]:%08x\n", i*4,
3500 le32_to_cpu(mfp[i]));
3503 r = _base_handshake_req_reply_wait(ioc,
3504 sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request,
3505 sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10,
3509 printk(MPT2SAS_ERR_FMT "%s: handshake failed (r=%d)\n",
3510 ioc->name, __func__, r);
3514 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
3515 if (ioc_status != MPI2_IOCSTATUS_SUCCESS ||
3516 mpi_reply.IOCLogInfo) {
3517 printk(MPT2SAS_ERR_FMT "%s: failed\n", ioc->name, __func__);
3525 * mpt2sas_port_enable_done - command completion routine for port enable
3526 * @ioc: per adapter object
3527 * @smid: system request message index
3528 * @msix_index: MSIX table index supplied by the OS
3529 * @reply: reply message frame(lower 32bit addr)
3531 * Return 1 meaning mf should be freed from _base_interrupt
3532 * 0 means the mf is freed from this function.
3535 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3538 MPI2DefaultReply_t *mpi_reply;
3541 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
3542 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
3545 if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED)
3548 ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE;
3550 ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID;
3551 memcpy(ioc->port_enable_cmds.reply, mpi_reply,
3552 mpi_reply->MsgLength*4);
3554 ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING;
3556 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
3558 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
3559 ioc->port_enable_failed = 1;
3561 if (ioc->is_driver_loading) {
3562 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
3563 mpt2sas_port_enable_complete(ioc);
3566 ioc->start_scan_failed = ioc_status;
3567 ioc->start_scan = 0;
3571 complete(&ioc->port_enable_cmds.done);
3577 * _base_send_port_enable - send port_enable(discovery stuff) to firmware
3578 * @ioc: per adapter object
3579 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3581 * Returns 0 for success, non-zero for failure.
3584 _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3586 Mpi2PortEnableRequest_t *mpi_request;
3587 Mpi2PortEnableReply_t *mpi_reply;
3588 unsigned long timeleft;
3593 printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name);
3595 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
3596 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
3597 ioc->name, __func__);
3601 smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
3603 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3604 ioc->name, __func__);
3608 ioc->port_enable_cmds.status = MPT2_CMD_PENDING;
3609 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3610 ioc->port_enable_cmds.smid = smid;
3611 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
3612 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
3614 init_completion(&ioc->port_enable_cmds.done);
3615 mpt2sas_base_put_smid_default(ioc, smid);
3616 timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done,
3618 if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) {
3619 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3620 ioc->name, __func__);
3621 _debug_dump_mf(mpi_request,
3622 sizeof(Mpi2PortEnableRequest_t)/4);
3623 if (ioc->port_enable_cmds.status & MPT2_CMD_RESET)
3629 mpi_reply = ioc->port_enable_cmds.reply;
3631 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
3632 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
3633 printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n",
3634 ioc->name, __func__, ioc_status);
3639 ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED;
3640 printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ?
3641 "SUCCESS" : "FAILED"));
3646 * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply)
3647 * @ioc: per adapter object
3649 * Returns 0 for success, non-zero for failure.
3652 mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc)
3654 Mpi2PortEnableRequest_t *mpi_request;
3657 printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name);
3659 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
3660 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
3661 ioc->name, __func__);
3665 smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
3667 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3668 ioc->name, __func__);
3672 ioc->port_enable_cmds.status = MPT2_CMD_PENDING;
3673 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3674 ioc->port_enable_cmds.smid = smid;
3675 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
3676 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
3678 mpt2sas_base_put_smid_default(ioc, smid);
3683 * _base_determine_wait_on_discovery - desposition
3684 * @ioc: per adapter object
3686 * Decide whether to wait on discovery to complete. Used to either
3687 * locate boot device, or report volumes ahead of physical devices.
3689 * Returns 1 for wait, 0 for don't wait
3692 _base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc)
3694 /* We wait for discovery to complete if IR firmware is loaded.
3695 * The sas topology events arrive before PD events, so we need time to
3696 * turn on the bit in ioc->pd_handles to indicate PD
3697 * Also, it maybe required to report Volumes ahead of physical
3698 * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set.
3700 if (ioc->ir_firmware)
3703 /* if no Bios, then we don't need to wait */
3704 if (!ioc->bios_pg3.BiosVersion)
3707 /* Bios is present, then we drop down here.
3709 * If there any entries in the Bios Page 2, then we wait
3710 * for discovery to complete.
3713 /* Current Boot Device */
3714 if ((ioc->bios_pg2.CurrentBootDeviceForm &
3715 MPI2_BIOSPAGE2_FORM_MASK) ==
3716 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
3717 /* Request Boot Device */
3718 (ioc->bios_pg2.ReqBootDeviceForm &
3719 MPI2_BIOSPAGE2_FORM_MASK) ==
3720 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
3721 /* Alternate Request Boot Device */
3722 (ioc->bios_pg2.ReqAltBootDeviceForm &
3723 MPI2_BIOSPAGE2_FORM_MASK) ==
3724 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED)
3732 * _base_unmask_events - turn on notification for this event
3733 * @ioc: per adapter object
3734 * @event: firmware event
3736 * The mask is stored in ioc->event_masks.
3739 _base_unmask_events(struct MPT2SAS_ADAPTER *ioc, u16 event)
3746 desired_event = (1 << (event % 32));
3749 ioc->event_masks[0] &= ~desired_event;
3750 else if (event < 64)
3751 ioc->event_masks[1] &= ~desired_event;
3752 else if (event < 96)
3753 ioc->event_masks[2] &= ~desired_event;
3754 else if (event < 128)
3755 ioc->event_masks[3] &= ~desired_event;
3759 * _base_event_notification - send event notification
3760 * @ioc: per adapter object
3761 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3763 * Returns 0 for success, non-zero for failure.
3766 _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3768 Mpi2EventNotificationRequest_t *mpi_request;
3769 unsigned long timeleft;
3774 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3777 if (ioc->base_cmds.status & MPT2_CMD_PENDING) {
3778 printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n",
3779 ioc->name, __func__);
3783 smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx);
3785 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3786 ioc->name, __func__);
3789 ioc->base_cmds.status = MPT2_CMD_PENDING;
3790 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3791 ioc->base_cmds.smid = smid;
3792 memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t));
3793 mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
3794 mpi_request->VF_ID = 0; /* TODO */
3795 mpi_request->VP_ID = 0;
3796 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
3797 mpi_request->EventMasks[i] =
3798 cpu_to_le32(ioc->event_masks[i]);
3799 init_completion(&ioc->base_cmds.done);
3800 mpt2sas_base_put_smid_default(ioc, smid);
3801 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ);
3802 if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) {
3803 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
3804 ioc->name, __func__);
3805 _debug_dump_mf(mpi_request,
3806 sizeof(Mpi2EventNotificationRequest_t)/4);
3807 if (ioc->base_cmds.status & MPT2_CMD_RESET)
3812 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n",
3813 ioc->name, __func__));
3814 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
3819 * mpt2sas_base_validate_event_type - validating event types
3820 * @ioc: per adapter object
3821 * @event: firmware event
3823 * This will turn on firmware event notification when application
3824 * ask for that event. We don't mask events that are already enabled.
3827 mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type)
3830 u32 event_mask, desired_event;
3831 u8 send_update_to_fw;
3833 for (i = 0, send_update_to_fw = 0; i <
3834 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) {
3835 event_mask = ~event_type[i];
3837 for (j = 0; j < 32; j++) {
3838 if (!(event_mask & desired_event) &&
3839 (ioc->event_masks[i] & desired_event)) {
3840 ioc->event_masks[i] &= ~desired_event;
3841 send_update_to_fw = 1;
3843 desired_event = (desired_event << 1);
3847 if (!send_update_to_fw)
3850 mutex_lock(&ioc->base_cmds.mutex);
3851 _base_event_notification(ioc, CAN_SLEEP);
3852 mutex_unlock(&ioc->base_cmds.mutex);
3856 * _base_diag_reset - the "big hammer" start of day reset
3857 * @ioc: per adapter object
3858 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3860 * Returns 0 for success, non-zero for failure.
3863 _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
3865 u32 host_diagnostic;
3870 printk(MPT2SAS_INFO_FMT "sending diag reset !!\n", ioc->name);
3871 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "clear interrupts\n",
3876 /* Write magic sequence to WriteSequence register
3877 * Loop until in diagnostic mode
3879 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "write magic "
3880 "sequence\n", ioc->name));
3881 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
3882 writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence);
3883 writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence);
3884 writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence);
3885 writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence);
3886 writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence);
3887 writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence);
3890 if (sleep_flag == CAN_SLEEP)
3898 host_diagnostic = readl(&ioc->chip->HostDiagnostic);
3899 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "wrote magic "
3900 "sequence: count(%d), host_diagnostic(0x%08x)\n",
3901 ioc->name, count, host_diagnostic));
3903 } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0);
3905 hcb_size = readl(&ioc->chip->HCBSize);
3907 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "diag reset: issued\n",
3909 writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER,
3910 &ioc->chip->HostDiagnostic);
3912 /* don't access any registers for 50 milliseconds */
3915 /* 300 second max wait */
3916 for (count = 0; count < 3000000 ; count++) {
3918 host_diagnostic = readl(&ioc->chip->HostDiagnostic);
3920 if (host_diagnostic == 0xFFFFFFFF)
3922 if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER))
3926 if (sleep_flag == CAN_SLEEP)
3932 if (host_diagnostic & MPI2_DIAG_HCB_MODE) {
3934 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter "
3935 "assuming the HCB Address points to good F/W\n",
3937 host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK;
3938 host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW;
3939 writel(host_diagnostic, &ioc->chip->HostDiagnostic);
3941 drsprintk(ioc, printk(MPT2SAS_INFO_FMT
3942 "re-enable the HCDW\n", ioc->name));
3943 writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE,
3944 &ioc->chip->HCBSize);
3947 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "restart the adapter\n",
3949 writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET,
3950 &ioc->chip->HostDiagnostic);
3952 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "disable writes to the "
3953 "diagnostic register\n", ioc->name));
3954 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
3956 drsprintk(ioc, printk(MPT2SAS_INFO_FMT "Wait for FW to go to the "
3957 "READY state\n", ioc->name));
3958 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20,
3961 printk(MPT2SAS_ERR_FMT "%s: failed going to ready state "
3962 " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state);
3966 printk(MPT2SAS_INFO_FMT "diag reset: SUCCESS\n", ioc->name);
3970 printk(MPT2SAS_ERR_FMT "diag reset: FAILED\n", ioc->name);
3975 * _base_make_ioc_ready - put controller in READY state
3976 * @ioc: per adapter object
3977 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3978 * @type: FORCE_BIG_HAMMER or SOFT_RESET
3980 * Returns 0 for success, non-zero for failure.
3983 _base_make_ioc_ready(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
3984 enum reset_type type)
3989 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
3992 if (ioc->pci_error_recovery)
3995 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
3996 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: ioc_state(0x%08x)\n",
3997 ioc->name, __func__, ioc_state));
3999 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY)
4002 if (ioc_state & MPI2_DOORBELL_USED) {
4003 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
4004 "active!\n", ioc->name));
4005 goto issue_diag_reset;
4008 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
4009 mpt2sas_base_fault_info(ioc, ioc_state &
4010 MPI2_DOORBELL_DATA_MASK);
4011 goto issue_diag_reset;
4014 if (type == FORCE_BIG_HAMMER)
4015 goto issue_diag_reset;
4017 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
4018 if (!(_base_send_ioc_reset(ioc,
4019 MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) {
4020 ioc->ioc_reset_count++;
4025 rc = _base_diag_reset(ioc, CAN_SLEEP);
4026 ioc->ioc_reset_count++;
4031 * _base_make_ioc_operational - put controller in OPERATIONAL state
4032 * @ioc: per adapter object
4033 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4035 * Returns 0 for success, non-zero for failure.
4038 _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
4041 unsigned long flags;
4044 struct _tr_list *delayed_tr, *delayed_tr_next;
4046 struct adapter_reply_queue *reply_q;
4047 long reply_post_free;
4048 u32 reply_post_free_sz;
4050 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4053 /* clean the delayed target reset list */
4054 list_for_each_entry_safe(delayed_tr, delayed_tr_next,
4055 &ioc->delayed_tr_list, list) {
4056 list_del(&delayed_tr->list);
4060 list_for_each_entry_safe(delayed_tr, delayed_tr_next,
4061 &ioc->delayed_tr_volume_list, list) {
4062 list_del(&delayed_tr->list);
4066 /* initialize the scsi lookup free list */
4067 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4068 INIT_LIST_HEAD(&ioc->free_list);
4070 for (i = 0; i < ioc->scsiio_depth; i++, smid++) {
4071 INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list);
4072 ioc->scsi_lookup[i].cb_idx = 0xFF;
4073 ioc->scsi_lookup[i].smid = smid;
4074 ioc->scsi_lookup[i].scmd = NULL;
4075 ioc->scsi_lookup[i].direct_io = 0;
4076 list_add_tail(&ioc->scsi_lookup[i].tracker_list,
4080 /* hi-priority queue */
4081 INIT_LIST_HEAD(&ioc->hpr_free_list);
4082 smid = ioc->hi_priority_smid;
4083 for (i = 0; i < ioc->hi_priority_depth; i++, smid++) {
4084 ioc->hpr_lookup[i].cb_idx = 0xFF;
4085 ioc->hpr_lookup[i].smid = smid;
4086 list_add_tail(&ioc->hpr_lookup[i].tracker_list,
4087 &ioc->hpr_free_list);
4090 /* internal queue */
4091 INIT_LIST_HEAD(&ioc->internal_free_list);
4092 smid = ioc->internal_smid;
4093 for (i = 0; i < ioc->internal_depth; i++, smid++) {
4094 ioc->internal_lookup[i].cb_idx = 0xFF;
4095 ioc->internal_lookup[i].smid = smid;
4096 list_add_tail(&ioc->internal_lookup[i].tracker_list,
4097 &ioc->internal_free_list);
4101 INIT_LIST_HEAD(&ioc->free_chain_list);
4102 for (i = 0; i < ioc->chain_depth; i++)
4103 list_add_tail(&ioc->chain_lookup[i].tracker_list,
4104 &ioc->free_chain_list);
4106 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4108 /* initialize Reply Free Queue */
4109 for (i = 0, reply_address = (u32)ioc->reply_dma ;
4110 i < ioc->reply_free_queue_depth ; i++, reply_address +=
4112 ioc->reply_free[i] = cpu_to_le32(reply_address);
4114 /* initialize reply queues */
4115 if (ioc->is_driver_loading)
4116 _base_assign_reply_queues(ioc);
4118 /* initialize Reply Post Free Queue */
4119 reply_post_free = (long)ioc->reply_post_free;
4120 reply_post_free_sz = ioc->reply_post_queue_depth *
4121 sizeof(Mpi2DefaultReplyDescriptor_t);
4122 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
4123 reply_q->reply_post_host_index = 0;
4124 reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *)
4126 for (i = 0; i < ioc->reply_post_queue_depth; i++)
4127 reply_q->reply_post_free[i].Words =
4128 cpu_to_le64(ULLONG_MAX);
4129 if (!_base_is_controller_msix_enabled(ioc))
4130 goto skip_init_reply_post_free_queue;
4131 reply_post_free += reply_post_free_sz;
4133 skip_init_reply_post_free_queue:
4135 r = _base_send_ioc_init(ioc, sleep_flag);
4139 /* initialize reply free host index */
4140 ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1;
4141 writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex);
4143 /* initialize reply post host index */
4144 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
4145 writel(reply_q->msix_index << MPI2_RPHI_MSIX_INDEX_SHIFT,
4146 &ioc->chip->ReplyPostHostIndex);
4147 if (!_base_is_controller_msix_enabled(ioc))
4148 goto skip_init_reply_post_host_index;
4151 skip_init_reply_post_host_index:
4153 _base_unmask_interrupts(ioc);
4155 r = _base_event_notification(ioc, sleep_flag);
4159 if (sleep_flag == CAN_SLEEP)
4160 _base_static_config_pages(ioc);
4163 if (ioc->is_driver_loading) {
4164 if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier
4167 le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) &
4168 MFG_PAGE10_HIDE_SSDS_MASK);
4169 if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK)
4170 ioc->mfg_pg10_hide_flag = hide_flag;
4172 ioc->wait_for_discovery_to_complete =
4173 _base_determine_wait_on_discovery(ioc);
4174 return r; /* scan_start and scan_finished support */
4176 r = _base_send_port_enable(ioc, sleep_flag);
4184 * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap)
4185 * @ioc: per adapter object
4190 mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc)
4192 struct pci_dev *pdev = ioc->pdev;
4194 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4197 _base_mask_interrupts(ioc);
4198 ioc->shost_recovery = 1;
4199 _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
4200 ioc->shost_recovery = 0;
4201 _base_free_irq(ioc);
4202 _base_disable_msix(ioc);
4206 pci_release_selected_regions(ioc->pdev, ioc->bars);
4207 pci_disable_pcie_error_reporting(pdev);
4208 pci_disable_device(pdev);
4213 * mpt2sas_base_attach - attach controller instance
4214 * @ioc: per adapter object
4216 * Returns 0 for success, non-zero for failure.
4219 mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc)
4222 int cpu_id, last_cpu_id = 0;
4224 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4227 /* setup cpu_msix_table */
4228 ioc->cpu_count = num_online_cpus();
4229 for_each_online_cpu(cpu_id)
4230 last_cpu_id = cpu_id;
4231 ioc->cpu_msix_table_sz = last_cpu_id + 1;
4232 ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL);
4233 ioc->reply_queue_count = 1;
4234 if (!ioc->cpu_msix_table) {
4235 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation for "
4236 "cpu_msix_table failed!!!\n", ioc->name));
4238 goto out_free_resources;
4241 if (ioc->is_warpdrive) {
4242 ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz,
4243 sizeof(resource_size_t *), GFP_KERNEL);
4244 if (!ioc->reply_post_host_index) {
4245 dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "allocation "
4246 "for cpu_msix_table failed!!!\n", ioc->name));
4248 goto out_free_resources;
4252 r = mpt2sas_base_map_resources(ioc);
4254 goto out_free_resources;
4256 if (ioc->is_warpdrive) {
4257 ioc->reply_post_host_index[0] =
4258 (resource_size_t *)&ioc->chip->ReplyPostHostIndex;
4260 for (i = 1; i < ioc->cpu_msix_table_sz; i++)
4261 ioc->reply_post_host_index[i] = (resource_size_t *)
4262 ((u8 *)&ioc->chip->Doorbell + (0x4000 + ((i - 1)
4266 pci_set_drvdata(ioc->pdev, ioc->shost);
4267 r = _base_get_ioc_facts(ioc, CAN_SLEEP);
4269 goto out_free_resources;
4271 r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
4273 goto out_free_resources;
4275 ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
4276 sizeof(struct mpt2sas_port_facts), GFP_KERNEL);
4279 goto out_free_resources;
4282 for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
4283 r = _base_get_port_facts(ioc, i, CAN_SLEEP);
4285 goto out_free_resources;
4288 r = _base_allocate_memory_pools(ioc, CAN_SLEEP);
4290 goto out_free_resources;
4292 init_waitqueue_head(&ioc->reset_wq);
4293 /* allocate memory pd handle bitmask list */
4294 ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8);
4295 if (ioc->facts.MaxDevHandle % 8)
4296 ioc->pd_handles_sz++;
4297 ioc->pd_handles = kzalloc(ioc->pd_handles_sz,
4299 if (!ioc->pd_handles) {
4301 goto out_free_resources;
4303 ioc->blocking_handles = kzalloc(ioc->pd_handles_sz,
4305 if (!ioc->blocking_handles) {
4307 goto out_free_resources;
4309 ioc->fwfault_debug = mpt2sas_fwfault_debug;
4311 /* base internal command bits */
4312 mutex_init(&ioc->base_cmds.mutex);
4313 ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4314 ioc->base_cmds.status = MPT2_CMD_NOT_USED;
4316 /* port_enable command bits */
4317 ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4318 ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED;
4320 /* transport internal command bits */
4321 ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4322 ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
4323 mutex_init(&ioc->transport_cmds.mutex);
4325 /* scsih internal command bits */
4326 ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4327 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
4328 mutex_init(&ioc->scsih_cmds.mutex);
4330 /* task management internal command bits */
4331 ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4332 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
4333 mutex_init(&ioc->tm_cmds.mutex);
4335 /* config page internal command bits */
4336 ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4337 ioc->config_cmds.status = MPT2_CMD_NOT_USED;
4338 mutex_init(&ioc->config_cmds.mutex);
4340 /* ctl module internal command bits */
4341 ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
4342 ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
4343 ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
4344 mutex_init(&ioc->ctl_cmds.mutex);
4346 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
4347 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
4348 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply ||
4349 !ioc->ctl_cmds.sense) {
4351 goto out_free_resources;
4354 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
4355 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
4356 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply) {
4358 goto out_free_resources;
4361 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
4362 ioc->event_masks[i] = -1;
4364 /* here we enable the events we care about */
4365 _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY);
4366 _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
4367 _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
4368 _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4369 _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
4370 _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
4371 _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
4372 _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
4373 _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
4374 _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
4375 r = _base_make_ioc_operational(ioc, CAN_SLEEP);
4377 goto out_free_resources;
4379 if (missing_delay[0] != -1 && missing_delay[1] != -1)
4380 _base_update_missing_delay(ioc, missing_delay[0],
4387 ioc->remove_host = 1;
4388 mpt2sas_base_free_resources(ioc);
4389 _base_release_memory_pools(ioc);
4390 pci_set_drvdata(ioc->pdev, NULL);
4391 kfree(ioc->cpu_msix_table);
4392 if (ioc->is_warpdrive)
4393 kfree(ioc->reply_post_host_index);
4394 kfree(ioc->pd_handles);
4395 kfree(ioc->blocking_handles);
4396 kfree(ioc->tm_cmds.reply);
4397 kfree(ioc->transport_cmds.reply);
4398 kfree(ioc->scsih_cmds.reply);
4399 kfree(ioc->config_cmds.reply);
4400 kfree(ioc->base_cmds.reply);
4401 kfree(ioc->port_enable_cmds.reply);
4402 kfree(ioc->ctl_cmds.reply);
4403 kfree(ioc->ctl_cmds.sense);
4405 ioc->ctl_cmds.reply = NULL;
4406 ioc->base_cmds.reply = NULL;
4407 ioc->tm_cmds.reply = NULL;
4408 ioc->scsih_cmds.reply = NULL;
4409 ioc->transport_cmds.reply = NULL;
4410 ioc->config_cmds.reply = NULL;
4417 * mpt2sas_base_detach - remove controller instance
4418 * @ioc: per adapter object
4423 mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc)
4426 dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
4429 mpt2sas_base_stop_watchdog(ioc);
4430 mpt2sas_base_free_resources(ioc);
4431 _base_release_memory_pools(ioc);
4432 pci_set_drvdata(ioc->pdev, NULL);
4433 kfree(ioc->cpu_msix_table);
4434 if (ioc->is_warpdrive)
4435 kfree(ioc->reply_post_host_index);
4436 kfree(ioc->pd_handles);
4437 kfree(ioc->blocking_handles);
4439 kfree(ioc->ctl_cmds.reply);
4440 kfree(ioc->ctl_cmds.sense);
4441 kfree(ioc->base_cmds.reply);
4442 kfree(ioc->port_enable_cmds.reply);
4443 kfree(ioc->tm_cmds.reply);
4444 kfree(ioc->transport_cmds.reply);
4445 kfree(ioc->scsih_cmds.reply);
4446 kfree(ioc->config_cmds.reply);
4450 * _base_reset_handler - reset callback handler (for base)
4451 * @ioc: per adapter object
4452 * @reset_phase: phase
4454 * The handler for doing any required cleanup or initialization.
4456 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
4457 * MPT2_IOC_DONE_RESET
4462 _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
4464 mpt2sas_scsih_reset_handler(ioc, reset_phase);
4465 mpt2sas_ctl_reset_handler(ioc, reset_phase);
4466 switch (reset_phase) {
4467 case MPT2_IOC_PRE_RESET:
4468 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4469 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
4471 case MPT2_IOC_AFTER_RESET:
4472 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4473 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
4474 if (ioc->transport_cmds.status & MPT2_CMD_PENDING) {
4475 ioc->transport_cmds.status |= MPT2_CMD_RESET;
4476 mpt2sas_base_free_smid(ioc, ioc->transport_cmds.smid);
4477 complete(&ioc->transport_cmds.done);
4479 if (ioc->base_cmds.status & MPT2_CMD_PENDING) {
4480 ioc->base_cmds.status |= MPT2_CMD_RESET;
4481 mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid);
4482 complete(&ioc->base_cmds.done);
4484 if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) {
4485 ioc->port_enable_failed = 1;
4486 ioc->port_enable_cmds.status |= MPT2_CMD_RESET;
4487 mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid);
4488 if (ioc->is_driver_loading) {
4489 ioc->start_scan_failed =
4490 MPI2_IOCSTATUS_INTERNAL_ERROR;
4491 ioc->start_scan = 0;
4492 ioc->port_enable_cmds.status =
4495 complete(&ioc->port_enable_cmds.done);
4498 if (ioc->config_cmds.status & MPT2_CMD_PENDING) {
4499 ioc->config_cmds.status |= MPT2_CMD_RESET;
4500 mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid);
4501 ioc->config_cmds.smid = USHRT_MAX;
4502 complete(&ioc->config_cmds.done);
4505 case MPT2_IOC_DONE_RESET:
4506 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
4507 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
4513 * _wait_for_commands_to_complete - reset controller
4514 * @ioc: Pointer to MPT_ADAPTER structure
4515 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4517 * This function waiting(3s) for all pending commands to complete
4518 * prior to putting controller in reset.
4521 _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER *ioc, int sleep_flag)
4524 unsigned long flags;
4527 ioc->pending_io_count = 0;
4528 if (sleep_flag != CAN_SLEEP)
4531 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
4532 if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL)
4535 /* pending command count */
4536 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4537 for (i = 0; i < ioc->scsiio_depth; i++)
4538 if (ioc->scsi_lookup[i].cb_idx != 0xFF)
4539 ioc->pending_io_count++;
4540 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4542 if (!ioc->pending_io_count)
4545 /* wait for pending commands to complete */
4546 wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ);
4550 * mpt2sas_base_hard_reset_handler - reset controller
4551 * @ioc: Pointer to MPT_ADAPTER structure
4552 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4553 * @type: FORCE_BIG_HAMMER or SOFT_RESET
4555 * Returns 0 for success, non-zero for failure.
4558 mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
4559 enum reset_type type)
4562 unsigned long flags;
4564 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
4567 if (ioc->pci_error_recovery) {
4568 printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n",
4569 ioc->name, __func__);
4574 if (mpt2sas_fwfault_debug)
4575 mpt2sas_halt_firmware(ioc);
4577 /* TODO - What we really should be doing is pulling
4578 * out all the code associated with NO_SLEEP; its never used.
4579 * That is legacy code from mpt fusion driver, ported over.
4580 * I will leave this BUG_ON here for now till its been resolved.
4582 BUG_ON(sleep_flag == NO_SLEEP);
4584 /* wait for an active reset in progress to complete */
4585 if (!mutex_trylock(&ioc->reset_in_progress_mutex)) {
4588 } while (ioc->shost_recovery == 1);
4589 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,
4591 return ioc->ioc_reset_in_progress_status;
4594 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
4595 ioc->shost_recovery = 1;
4596 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
4598 _base_reset_handler(ioc, MPT2_IOC_PRE_RESET);
4599 _wait_for_commands_to_complete(ioc, sleep_flag);
4600 _base_mask_interrupts(ioc);
4601 r = _base_make_ioc_ready(ioc, sleep_flag, type);
4604 _base_reset_handler(ioc, MPT2_IOC_AFTER_RESET);
4606 /* If this hard reset is called while port enable is active, then
4607 * there is no reason to call make_ioc_operational
4609 if (ioc->is_driver_loading && ioc->port_enable_failed) {
4610 ioc->remove_host = 1;
4614 r = _base_make_ioc_operational(ioc, sleep_flag);
4616 _base_reset_handler(ioc, MPT2_IOC_DONE_RESET);
4618 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %s\n",
4619 ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED")));
4621 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
4622 ioc->ioc_reset_in_progress_status = r;
4623 ioc->shost_recovery = 0;
4624 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
4625 mutex_unlock(&ioc->reset_in_progress_mutex);
4628 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name,