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/mpt3sas/mpt3sas_base.c
6 * Copyright (C) 2012-2014 LSI Corporation
7 * Copyright (C) 2013-2014 Avago Technologies
8 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License
12 * as published by the Free Software Foundation; either version 2
13 * of the License, or (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
21 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
22 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
23 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
24 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
25 * solely responsible for determining the appropriateness of using and
26 * distributing the Program and assumes all risks associated with its
27 * exercise of rights under this Agreement, including but not limited to
28 * the risks and costs of program errors, damage to or loss of data,
29 * programs or equipment, and unavailability or interruption of operations.
31 * DISCLAIMER OF LIABILITY
32 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
33 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
35 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
36 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
37 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
38 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
40 * You should have received a copy of the GNU General Public License
41 * along with this program; if not, write to the Free Software
42 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
46 #include <linux/kernel.h>
47 #include <linux/module.h>
48 #include <linux/errno.h>
49 #include <linux/init.h>
50 #include <linux/slab.h>
51 #include <linux/types.h>
52 #include <linux/pci.h>
53 #include <linux/kdev_t.h>
54 #include <linux/blkdev.h>
55 #include <linux/delay.h>
56 #include <linux/interrupt.h>
57 #include <linux/dma-mapping.h>
59 #include <linux/time.h>
60 #include <linux/kthread.h>
61 #include <linux/aer.h>
64 #include "mpt3sas_base.h"
66 static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS];
69 #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
71 /* maximum controller queue depth */
72 #define MAX_HBA_QUEUE_DEPTH 30000
73 #define MAX_CHAIN_DEPTH 100000
74 static int max_queue_depth = -1;
75 module_param(max_queue_depth, int, 0);
76 MODULE_PARM_DESC(max_queue_depth, " max controller queue depth ");
78 static int max_sgl_entries = -1;
79 module_param(max_sgl_entries, int, 0);
80 MODULE_PARM_DESC(max_sgl_entries, " max sg entries ");
82 static int msix_disable = -1;
83 module_param(msix_disable, int, 0);
84 MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
86 static int max_msix_vectors = -1;
87 module_param(max_msix_vectors, int, 0);
88 MODULE_PARM_DESC(max_msix_vectors,
91 static int mpt3sas_fwfault_debug;
92 MODULE_PARM_DESC(mpt3sas_fwfault_debug,
93 " enable detection of firmware fault and halt firmware - (default=0)");
96 _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc, int sleep_flag);
99 * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug.
103 _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp)
105 int ret = param_set_int(val, kp);
106 struct MPT3SAS_ADAPTER *ioc;
111 /* global ioc spinlock to protect controller list on list operations */
112 pr_info("setting fwfault_debug(%d)\n", mpt3sas_fwfault_debug);
113 spin_lock(&gioc_lock);
114 list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
115 ioc->fwfault_debug = mpt3sas_fwfault_debug;
116 spin_unlock(&gioc_lock);
119 module_param_call(mpt3sas_fwfault_debug, _scsih_set_fwfault_debug,
120 param_get_int, &mpt3sas_fwfault_debug, 0644);
123 * mpt3sas_remove_dead_ioc_func - kthread context to remove dead ioc
124 * @arg: input argument, used to derive ioc
126 * Return 0 if controller is removed from pci subsystem.
127 * Return -1 for other case.
129 static int mpt3sas_remove_dead_ioc_func(void *arg)
131 struct MPT3SAS_ADAPTER *ioc = (struct MPT3SAS_ADAPTER *)arg;
132 struct pci_dev *pdev;
140 pci_stop_and_remove_bus_device_locked(pdev);
145 * _base_fault_reset_work - workq handling ioc fault conditions
146 * @work: input argument, used to derive ioc
152 _base_fault_reset_work(struct work_struct *work)
154 struct MPT3SAS_ADAPTER *ioc =
155 container_of(work, struct MPT3SAS_ADAPTER, fault_reset_work.work);
159 struct task_struct *p;
162 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
163 if (ioc->shost_recovery || ioc->pci_error_recovery)
165 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
167 doorbell = mpt3sas_base_get_iocstate(ioc, 0);
168 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) {
169 pr_err(MPT3SAS_FMT "SAS host is non-operational !!!!\n",
172 /* It may be possible that EEH recovery can resolve some of
173 * pci bus failure issues rather removing the dead ioc function
174 * by considering controller is in a non-operational state. So
175 * here priority is given to the EEH recovery. If it doesn't
176 * not resolve this issue, mpt3sas driver will consider this
177 * controller to non-operational state and remove the dead ioc
180 if (ioc->non_operational_loop++ < 5) {
181 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock,
187 * Call _scsih_flush_pending_cmds callback so that we flush all
188 * pending commands back to OS. This call is required to aovid
189 * deadlock at block layer. Dead IOC will fail to do diag reset,
190 * and this call is safe since dead ioc will never return any
191 * command back from HW.
193 ioc->schedule_dead_ioc_flush_running_cmds(ioc);
195 * Set remove_host flag early since kernel thread will
196 * take some time to execute.
198 ioc->remove_host = 1;
199 /*Remove the Dead Host */
200 p = kthread_run(mpt3sas_remove_dead_ioc_func, ioc,
201 "%s_dead_ioc_%d", ioc->driver_name, ioc->id);
204 "%s: Running mpt3sas_dead_ioc thread failed !!!!\n",
205 ioc->name, __func__);
208 "%s: Running mpt3sas_dead_ioc thread success !!!!\n",
209 ioc->name, __func__);
210 return; /* don't rearm timer */
213 ioc->non_operational_loop = 0;
215 if ((doorbell & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) {
216 rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
218 pr_warn(MPT3SAS_FMT "%s: hard reset: %s\n", ioc->name,
219 __func__, (rc == 0) ? "success" : "failed");
220 doorbell = mpt3sas_base_get_iocstate(ioc, 0);
221 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
222 mpt3sas_base_fault_info(ioc, doorbell &
223 MPI2_DOORBELL_DATA_MASK);
224 if (rc && (doorbell & MPI2_IOC_STATE_MASK) !=
225 MPI2_IOC_STATE_OPERATIONAL)
226 return; /* don't rearm timer */
229 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
231 if (ioc->fault_reset_work_q)
232 queue_delayed_work(ioc->fault_reset_work_q,
233 &ioc->fault_reset_work,
234 msecs_to_jiffies(FAULT_POLLING_INTERVAL));
235 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
239 * mpt3sas_base_start_watchdog - start the fault_reset_work_q
240 * @ioc: per adapter object
246 mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc)
250 if (ioc->fault_reset_work_q)
253 /* initialize fault polling */
255 INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work);
256 snprintf(ioc->fault_reset_work_q_name,
257 sizeof(ioc->fault_reset_work_q_name), "poll_%s%d_status",
258 ioc->driver_name, ioc->id);
259 ioc->fault_reset_work_q =
260 create_singlethread_workqueue(ioc->fault_reset_work_q_name);
261 if (!ioc->fault_reset_work_q) {
262 pr_err(MPT3SAS_FMT "%s: failed (line=%d)\n",
263 ioc->name, __func__, __LINE__);
266 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
267 if (ioc->fault_reset_work_q)
268 queue_delayed_work(ioc->fault_reset_work_q,
269 &ioc->fault_reset_work,
270 msecs_to_jiffies(FAULT_POLLING_INTERVAL));
271 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
275 * mpt3sas_base_stop_watchdog - stop the fault_reset_work_q
276 * @ioc: per adapter object
282 mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc)
285 struct workqueue_struct *wq;
287 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
288 wq = ioc->fault_reset_work_q;
289 ioc->fault_reset_work_q = NULL;
290 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
292 if (!cancel_delayed_work_sync(&ioc->fault_reset_work))
294 destroy_workqueue(wq);
299 * mpt3sas_base_fault_info - verbose translation of firmware FAULT code
300 * @ioc: per adapter object
301 * @fault_code: fault code
306 mpt3sas_base_fault_info(struct MPT3SAS_ADAPTER *ioc , u16 fault_code)
308 pr_err(MPT3SAS_FMT "fault_state(0x%04x)!\n",
309 ioc->name, fault_code);
313 * mpt3sas_halt_firmware - halt's mpt controller firmware
314 * @ioc: per adapter object
316 * For debugging timeout related issues. Writing 0xCOFFEE00
317 * to the doorbell register will halt controller firmware. With
318 * the purpose to stop both driver and firmware, the enduser can
319 * obtain a ring buffer from controller UART.
322 mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc)
326 if (!ioc->fwfault_debug)
331 doorbell = readl(&ioc->chip->Doorbell);
332 if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
333 mpt3sas_base_fault_info(ioc , doorbell);
335 writel(0xC0FFEE00, &ioc->chip->Doorbell);
336 pr_err(MPT3SAS_FMT "Firmware is halted due to command timeout\n",
340 if (ioc->fwfault_debug == 2)
344 panic("panic in %s\n", __func__);
348 * _base_sas_ioc_info - verbose translation of the ioc status
349 * @ioc: per adapter object
350 * @mpi_reply: reply mf payload returned from firmware
351 * @request_hdr: request mf
356 _base_sas_ioc_info(struct MPT3SAS_ADAPTER *ioc, MPI2DefaultReply_t *mpi_reply,
357 MPI2RequestHeader_t *request_hdr)
359 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
363 char *func_str = NULL;
365 /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */
366 if (request_hdr->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
367 request_hdr->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
368 request_hdr->Function == MPI2_FUNCTION_EVENT_NOTIFICATION)
371 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
374 switch (ioc_status) {
376 /****************************************************************************
377 * Common IOCStatus values for all replies
378 ****************************************************************************/
380 case MPI2_IOCSTATUS_INVALID_FUNCTION:
381 desc = "invalid function";
383 case MPI2_IOCSTATUS_BUSY:
386 case MPI2_IOCSTATUS_INVALID_SGL:
387 desc = "invalid sgl";
389 case MPI2_IOCSTATUS_INTERNAL_ERROR:
390 desc = "internal error";
392 case MPI2_IOCSTATUS_INVALID_VPID:
393 desc = "invalid vpid";
395 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
396 desc = "insufficient resources";
398 case MPI2_IOCSTATUS_INVALID_FIELD:
399 desc = "invalid field";
401 case MPI2_IOCSTATUS_INVALID_STATE:
402 desc = "invalid state";
404 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
405 desc = "op state not supported";
408 /****************************************************************************
409 * Config IOCStatus values
410 ****************************************************************************/
412 case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION:
413 desc = "config invalid action";
415 case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE:
416 desc = "config invalid type";
418 case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE:
419 desc = "config invalid page";
421 case MPI2_IOCSTATUS_CONFIG_INVALID_DATA:
422 desc = "config invalid data";
424 case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS:
425 desc = "config no defaults";
427 case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT:
428 desc = "config cant commit";
431 /****************************************************************************
433 ****************************************************************************/
435 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
436 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
437 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
438 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
439 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
440 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
441 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
442 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
443 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
444 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
445 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
446 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
449 /****************************************************************************
450 * For use by SCSI Initiator and SCSI Target end-to-end data protection
451 ****************************************************************************/
453 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
454 desc = "eedp guard error";
456 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
457 desc = "eedp ref tag error";
459 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
460 desc = "eedp app tag error";
463 /****************************************************************************
465 ****************************************************************************/
467 case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX:
468 desc = "target invalid io index";
470 case MPI2_IOCSTATUS_TARGET_ABORTED:
471 desc = "target aborted";
473 case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE:
474 desc = "target no conn retryable";
476 case MPI2_IOCSTATUS_TARGET_NO_CONNECTION:
477 desc = "target no connection";
479 case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH:
480 desc = "target xfer count mismatch";
482 case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR:
483 desc = "target data offset error";
485 case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA:
486 desc = "target too much write data";
488 case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT:
489 desc = "target iu too short";
491 case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT:
492 desc = "target ack nak timeout";
494 case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED:
495 desc = "target nak received";
498 /****************************************************************************
499 * Serial Attached SCSI values
500 ****************************************************************************/
502 case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED:
503 desc = "smp request failed";
505 case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN:
506 desc = "smp data overrun";
509 /****************************************************************************
510 * Diagnostic Buffer Post / Diagnostic Release values
511 ****************************************************************************/
513 case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED:
514 desc = "diagnostic released";
523 switch (request_hdr->Function) {
524 case MPI2_FUNCTION_CONFIG:
525 frame_sz = sizeof(Mpi2ConfigRequest_t) + ioc->sge_size;
526 func_str = "config_page";
528 case MPI2_FUNCTION_SCSI_TASK_MGMT:
529 frame_sz = sizeof(Mpi2SCSITaskManagementRequest_t);
530 func_str = "task_mgmt";
532 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
533 frame_sz = sizeof(Mpi2SasIoUnitControlRequest_t);
534 func_str = "sas_iounit_ctl";
536 case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
537 frame_sz = sizeof(Mpi2SepRequest_t);
538 func_str = "enclosure";
540 case MPI2_FUNCTION_IOC_INIT:
541 frame_sz = sizeof(Mpi2IOCInitRequest_t);
542 func_str = "ioc_init";
544 case MPI2_FUNCTION_PORT_ENABLE:
545 frame_sz = sizeof(Mpi2PortEnableRequest_t);
546 func_str = "port_enable";
548 case MPI2_FUNCTION_SMP_PASSTHROUGH:
549 frame_sz = sizeof(Mpi2SmpPassthroughRequest_t) + ioc->sge_size;
550 func_str = "smp_passthru";
554 func_str = "unknown";
558 pr_warn(MPT3SAS_FMT "ioc_status: %s(0x%04x), request(0x%p),(%s)\n",
559 ioc->name, desc, ioc_status, request_hdr, func_str);
561 _debug_dump_mf(request_hdr, frame_sz/4);
565 * _base_display_event_data - verbose translation of firmware asyn events
566 * @ioc: per adapter object
567 * @mpi_reply: reply mf payload returned from firmware
572 _base_display_event_data(struct MPT3SAS_ADAPTER *ioc,
573 Mpi2EventNotificationReply_t *mpi_reply)
578 if (!(ioc->logging_level & MPT_DEBUG_EVENTS))
581 event = le16_to_cpu(mpi_reply->Event);
584 case MPI2_EVENT_LOG_DATA:
587 case MPI2_EVENT_STATE_CHANGE:
588 desc = "Status Change";
590 case MPI2_EVENT_HARD_RESET_RECEIVED:
591 desc = "Hard Reset Received";
593 case MPI2_EVENT_EVENT_CHANGE:
594 desc = "Event Change";
596 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
597 desc = "Device Status Change";
599 case MPI2_EVENT_IR_OPERATION_STATUS:
600 if (!ioc->hide_ir_msg)
601 desc = "IR Operation Status";
603 case MPI2_EVENT_SAS_DISCOVERY:
605 Mpi2EventDataSasDiscovery_t *event_data =
606 (Mpi2EventDataSasDiscovery_t *)mpi_reply->EventData;
607 pr_info(MPT3SAS_FMT "Discovery: (%s)", ioc->name,
608 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
610 if (event_data->DiscoveryStatus)
611 pr_info("discovery_status(0x%08x)",
612 le32_to_cpu(event_data->DiscoveryStatus));
616 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
617 desc = "SAS Broadcast Primitive";
619 case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
620 desc = "SAS Init Device Status Change";
622 case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW:
623 desc = "SAS Init Table Overflow";
625 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
626 desc = "SAS Topology Change List";
628 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
629 desc = "SAS Enclosure Device Status Change";
631 case MPI2_EVENT_IR_VOLUME:
632 if (!ioc->hide_ir_msg)
635 case MPI2_EVENT_IR_PHYSICAL_DISK:
636 if (!ioc->hide_ir_msg)
637 desc = "IR Physical Disk";
639 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
640 if (!ioc->hide_ir_msg)
641 desc = "IR Configuration Change List";
643 case MPI2_EVENT_LOG_ENTRY_ADDED:
644 if (!ioc->hide_ir_msg)
645 desc = "Log Entry Added";
647 case MPI2_EVENT_TEMP_THRESHOLD:
648 desc = "Temperature Threshold";
655 pr_info(MPT3SAS_FMT "%s\n", ioc->name, desc);
659 * _base_sas_log_info - verbose translation of firmware log info
660 * @ioc: per adapter object
661 * @log_info: log info
666 _base_sas_log_info(struct MPT3SAS_ADAPTER *ioc , u32 log_info)
677 union loginfo_type sas_loginfo;
678 char *originator_str = NULL;
680 sas_loginfo.loginfo = log_info;
681 if (sas_loginfo.dw.bus_type != 3 /*SAS*/)
684 /* each nexus loss loginfo */
685 if (log_info == 0x31170000)
688 /* eat the loginfos associated with task aborts */
689 if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info ==
690 0x31140000 || log_info == 0x31130000))
693 switch (sas_loginfo.dw.originator) {
695 originator_str = "IOP";
698 originator_str = "PL";
701 if (!ioc->hide_ir_msg)
702 originator_str = "IR";
704 originator_str = "WarpDrive";
709 "log_info(0x%08x): originator(%s), code(0x%02x), sub_code(0x%04x)\n",
711 originator_str, sas_loginfo.dw.code,
712 sas_loginfo.dw.subcode);
716 * _base_display_reply_info -
717 * @ioc: per adapter object
718 * @smid: system request message index
719 * @msix_index: MSIX table index supplied by the OS
720 * @reply: reply message frame(lower 32bit addr)
725 _base_display_reply_info(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
728 MPI2DefaultReply_t *mpi_reply;
732 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
733 if (unlikely(!mpi_reply)) {
734 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
735 ioc->name, __FILE__, __LINE__, __func__);
738 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
740 if ((ioc_status & MPI2_IOCSTATUS_MASK) &&
741 (ioc->logging_level & MPT_DEBUG_REPLY)) {
742 _base_sas_ioc_info(ioc , mpi_reply,
743 mpt3sas_base_get_msg_frame(ioc, smid));
746 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) {
747 loginfo = le32_to_cpu(mpi_reply->IOCLogInfo);
748 _base_sas_log_info(ioc, loginfo);
751 if (ioc_status || loginfo) {
752 ioc_status &= MPI2_IOCSTATUS_MASK;
753 mpt3sas_trigger_mpi(ioc, ioc_status, loginfo);
758 * mpt3sas_base_done - base internal command completion routine
759 * @ioc: per adapter object
760 * @smid: system request message index
761 * @msix_index: MSIX table index supplied by the OS
762 * @reply: reply message frame(lower 32bit addr)
764 * Return 1 meaning mf should be freed from _base_interrupt
765 * 0 means the mf is freed from this function.
768 mpt3sas_base_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
771 MPI2DefaultReply_t *mpi_reply;
773 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
774 if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK)
777 if (ioc->base_cmds.status == MPT3_CMD_NOT_USED)
780 ioc->base_cmds.status |= MPT3_CMD_COMPLETE;
782 ioc->base_cmds.status |= MPT3_CMD_REPLY_VALID;
783 memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
785 ioc->base_cmds.status &= ~MPT3_CMD_PENDING;
787 complete(&ioc->base_cmds.done);
792 * _base_async_event - main callback handler for firmware asyn events
793 * @ioc: per adapter object
794 * @msix_index: MSIX table index supplied by the OS
795 * @reply: reply message frame(lower 32bit addr)
797 * Return 1 meaning mf should be freed from _base_interrupt
798 * 0 means the mf is freed from this function.
801 _base_async_event(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, u32 reply)
803 Mpi2EventNotificationReply_t *mpi_reply;
804 Mpi2EventAckRequest_t *ack_request;
807 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
810 if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION)
813 _base_display_event_data(ioc, mpi_reply);
815 if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED))
817 smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
819 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
820 ioc->name, __func__);
824 ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
825 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
826 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
827 ack_request->Event = mpi_reply->Event;
828 ack_request->EventContext = mpi_reply->EventContext;
829 ack_request->VF_ID = 0; /* TODO */
830 ack_request->VP_ID = 0;
831 mpt3sas_base_put_smid_default(ioc, smid);
835 /* scsih callback handler */
836 mpt3sas_scsih_event_callback(ioc, msix_index, reply);
838 /* ctl callback handler */
839 mpt3sas_ctl_event_callback(ioc, msix_index, reply);
845 * _base_get_cb_idx - obtain the callback index
846 * @ioc: per adapter object
847 * @smid: system request message index
849 * Return callback index.
852 _base_get_cb_idx(struct MPT3SAS_ADAPTER *ioc, u16 smid)
857 if (smid < ioc->hi_priority_smid) {
859 cb_idx = ioc->scsi_lookup[i].cb_idx;
860 } else if (smid < ioc->internal_smid) {
861 i = smid - ioc->hi_priority_smid;
862 cb_idx = ioc->hpr_lookup[i].cb_idx;
863 } else if (smid <= ioc->hba_queue_depth) {
864 i = smid - ioc->internal_smid;
865 cb_idx = ioc->internal_lookup[i].cb_idx;
872 * _base_mask_interrupts - disable interrupts
873 * @ioc: per adapter object
875 * Disabling ResetIRQ, Reply and Doorbell Interrupts
880 _base_mask_interrupts(struct MPT3SAS_ADAPTER *ioc)
884 ioc->mask_interrupts = 1;
885 him_register = readl(&ioc->chip->HostInterruptMask);
886 him_register |= MPI2_HIM_DIM + MPI2_HIM_RIM + MPI2_HIM_RESET_IRQ_MASK;
887 writel(him_register, &ioc->chip->HostInterruptMask);
888 readl(&ioc->chip->HostInterruptMask);
892 * _base_unmask_interrupts - enable interrupts
893 * @ioc: per adapter object
895 * Enabling only Reply Interrupts
900 _base_unmask_interrupts(struct MPT3SAS_ADAPTER *ioc)
904 him_register = readl(&ioc->chip->HostInterruptMask);
905 him_register &= ~MPI2_HIM_RIM;
906 writel(him_register, &ioc->chip->HostInterruptMask);
907 ioc->mask_interrupts = 0;
910 union reply_descriptor {
919 * _base_interrupt - MPT adapter (IOC) specific interrupt handler.
920 * @irq: irq number (not used)
921 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
922 * @r: pt_regs pointer (not used)
924 * Return IRQ_HANDLE if processed, else IRQ_NONE.
927 _base_interrupt(int irq, void *bus_id)
929 struct adapter_reply_queue *reply_q = bus_id;
930 union reply_descriptor rd;
932 u8 request_desript_type;
936 u8 msix_index = reply_q->msix_index;
937 struct MPT3SAS_ADAPTER *ioc = reply_q->ioc;
938 Mpi2ReplyDescriptorsUnion_t *rpf;
941 if (ioc->mask_interrupts)
944 if (!atomic_add_unless(&reply_q->busy, 1, 1))
947 rpf = &reply_q->reply_post_free[reply_q->reply_post_host_index];
948 request_desript_type = rpf->Default.ReplyFlags
949 & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
950 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED) {
951 atomic_dec(&reply_q->busy);
958 rd.word = le64_to_cpu(rpf->Words);
959 if (rd.u.low == UINT_MAX || rd.u.high == UINT_MAX)
962 smid = le16_to_cpu(rpf->Default.DescriptorTypeDependent1);
963 if (request_desript_type ==
964 MPI25_RPY_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO_SUCCESS ||
965 request_desript_type ==
966 MPI2_RPY_DESCRIPT_FLAGS_SCSI_IO_SUCCESS) {
967 cb_idx = _base_get_cb_idx(ioc, smid);
968 if ((likely(cb_idx < MPT_MAX_CALLBACKS)) &&
969 (likely(mpt_callbacks[cb_idx] != NULL))) {
970 rc = mpt_callbacks[cb_idx](ioc, smid,
973 mpt3sas_base_free_smid(ioc, smid);
975 } else if (request_desript_type ==
976 MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY) {
978 rpf->AddressReply.ReplyFrameAddress);
979 if (reply > ioc->reply_dma_max_address ||
980 reply < ioc->reply_dma_min_address)
983 cb_idx = _base_get_cb_idx(ioc, smid);
984 if ((likely(cb_idx < MPT_MAX_CALLBACKS)) &&
985 (likely(mpt_callbacks[cb_idx] != NULL))) {
986 rc = mpt_callbacks[cb_idx](ioc, smid,
989 _base_display_reply_info(ioc,
990 smid, msix_index, reply);
992 mpt3sas_base_free_smid(ioc,
996 _base_async_event(ioc, msix_index, reply);
999 /* reply free queue handling */
1001 ioc->reply_free_host_index =
1002 (ioc->reply_free_host_index ==
1003 (ioc->reply_free_queue_depth - 1)) ?
1004 0 : ioc->reply_free_host_index + 1;
1005 ioc->reply_free[ioc->reply_free_host_index] =
1008 writel(ioc->reply_free_host_index,
1009 &ioc->chip->ReplyFreeHostIndex);
1013 rpf->Words = cpu_to_le64(ULLONG_MAX);
1014 reply_q->reply_post_host_index =
1015 (reply_q->reply_post_host_index ==
1016 (ioc->reply_post_queue_depth - 1)) ? 0 :
1017 reply_q->reply_post_host_index + 1;
1018 request_desript_type =
1019 reply_q->reply_post_free[reply_q->reply_post_host_index].
1020 Default.ReplyFlags & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK;
1022 if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_UNUSED)
1024 if (!reply_q->reply_post_host_index)
1025 rpf = reply_q->reply_post_free;
1032 if (!completed_cmds) {
1033 atomic_dec(&reply_q->busy);
1038 if (ioc->is_warpdrive) {
1039 writel(reply_q->reply_post_host_index,
1040 ioc->reply_post_host_index[msix_index]);
1041 atomic_dec(&reply_q->busy);
1045 /* Update Reply Post Host Index.
1046 * For those HBA's which support combined reply queue feature
1047 * 1. Get the correct Supplemental Reply Post Host Index Register.
1048 * i.e. (msix_index / 8)th entry from Supplemental Reply Post Host
1049 * Index Register address bank i.e replyPostRegisterIndex[],
1050 * 2. Then update this register with new reply host index value
1051 * in ReplyPostIndex field and the MSIxIndex field with
1052 * msix_index value reduced to a value between 0 and 7,
1053 * using a modulo 8 operation. Since each Supplemental Reply Post
1054 * Host Index Register supports 8 MSI-X vectors.
1056 * For other HBA's just update the Reply Post Host Index register with
1057 * new reply host index value in ReplyPostIndex Field and msix_index
1058 * value in MSIxIndex field.
1060 if (ioc->msix96_vector)
1061 writel(reply_q->reply_post_host_index | ((msix_index & 7) <<
1062 MPI2_RPHI_MSIX_INDEX_SHIFT),
1063 ioc->replyPostRegisterIndex[msix_index/8]);
1065 writel(reply_q->reply_post_host_index | (msix_index <<
1066 MPI2_RPHI_MSIX_INDEX_SHIFT),
1067 &ioc->chip->ReplyPostHostIndex);
1068 atomic_dec(&reply_q->busy);
1073 * _base_is_controller_msix_enabled - is controller support muli-reply queues
1074 * @ioc: per adapter object
1078 _base_is_controller_msix_enabled(struct MPT3SAS_ADAPTER *ioc)
1080 return (ioc->facts.IOCCapabilities &
1081 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable;
1085 * mpt3sas_base_flush_reply_queues - flushing the MSIX reply queues
1086 * @ioc: per adapter object
1087 * Context: ISR conext
1089 * Called when a Task Management request has completed. We want
1090 * to flush the other reply queues so all the outstanding IO has been
1091 * completed back to OS before we process the TM completetion.
1096 mpt3sas_base_flush_reply_queues(struct MPT3SAS_ADAPTER *ioc)
1098 struct adapter_reply_queue *reply_q;
1100 /* If MSIX capability is turned off
1101 * then multi-queues are not enabled
1103 if (!_base_is_controller_msix_enabled(ioc))
1106 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
1107 if (ioc->shost_recovery)
1109 /* TMs are on msix_index == 0 */
1110 if (reply_q->msix_index == 0)
1112 _base_interrupt(reply_q->vector, (void *)reply_q);
1117 * mpt3sas_base_release_callback_handler - clear interrupt callback handler
1118 * @cb_idx: callback index
1123 mpt3sas_base_release_callback_handler(u8 cb_idx)
1125 mpt_callbacks[cb_idx] = NULL;
1129 * mpt3sas_base_register_callback_handler - obtain index for the interrupt callback handler
1130 * @cb_func: callback function
1135 mpt3sas_base_register_callback_handler(MPT_CALLBACK cb_func)
1139 for (cb_idx = MPT_MAX_CALLBACKS-1; cb_idx; cb_idx--)
1140 if (mpt_callbacks[cb_idx] == NULL)
1143 mpt_callbacks[cb_idx] = cb_func;
1148 * mpt3sas_base_initialize_callback_handler - initialize the interrupt callback handler
1153 mpt3sas_base_initialize_callback_handler(void)
1157 for (cb_idx = 0; cb_idx < MPT_MAX_CALLBACKS; cb_idx++)
1158 mpt3sas_base_release_callback_handler(cb_idx);
1163 * _base_build_zero_len_sge - build zero length sg entry
1164 * @ioc: per adapter object
1165 * @paddr: virtual address for SGE
1167 * Create a zero length scatter gather entry to insure the IOCs hardware has
1168 * something to use if the target device goes brain dead and tries
1169 * to send data even when none is asked for.
1174 _base_build_zero_len_sge(struct MPT3SAS_ADAPTER *ioc, void *paddr)
1176 u32 flags_length = (u32)((MPI2_SGE_FLAGS_LAST_ELEMENT |
1177 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST |
1178 MPI2_SGE_FLAGS_SIMPLE_ELEMENT) <<
1179 MPI2_SGE_FLAGS_SHIFT);
1180 ioc->base_add_sg_single(paddr, flags_length, -1);
1184 * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr.
1185 * @paddr: virtual address for SGE
1186 * @flags_length: SGE flags and data transfer length
1187 * @dma_addr: Physical address
1192 _base_add_sg_single_32(void *paddr, u32 flags_length, dma_addr_t dma_addr)
1194 Mpi2SGESimple32_t *sgel = paddr;
1196 flags_length |= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING |
1197 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
1198 sgel->FlagsLength = cpu_to_le32(flags_length);
1199 sgel->Address = cpu_to_le32(dma_addr);
1204 * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr.
1205 * @paddr: virtual address for SGE
1206 * @flags_length: SGE flags and data transfer length
1207 * @dma_addr: Physical address
1212 _base_add_sg_single_64(void *paddr, u32 flags_length, dma_addr_t dma_addr)
1214 Mpi2SGESimple64_t *sgel = paddr;
1216 flags_length |= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING |
1217 MPI2_SGE_FLAGS_SYSTEM_ADDRESS) << MPI2_SGE_FLAGS_SHIFT;
1218 sgel->FlagsLength = cpu_to_le32(flags_length);
1219 sgel->Address = cpu_to_le64(dma_addr);
1223 * _base_get_chain_buffer_tracker - obtain chain tracker
1224 * @ioc: per adapter object
1225 * @smid: smid associated to an IO request
1227 * Returns chain tracker(from ioc->free_chain_list)
1229 static struct chain_tracker *
1230 _base_get_chain_buffer_tracker(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1232 struct chain_tracker *chain_req;
1233 unsigned long flags;
1235 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1236 if (list_empty(&ioc->free_chain_list)) {
1237 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1238 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1239 "chain buffers not available\n", ioc->name));
1242 chain_req = list_entry(ioc->free_chain_list.next,
1243 struct chain_tracker, tracker_list);
1244 list_del_init(&chain_req->tracker_list);
1245 list_add_tail(&chain_req->tracker_list,
1246 &ioc->scsi_lookup[smid - 1].chain_list);
1247 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1253 * _base_build_sg - build generic sg
1254 * @ioc: per adapter object
1255 * @psge: virtual address for SGE
1256 * @data_out_dma: physical address for WRITES
1257 * @data_out_sz: data xfer size for WRITES
1258 * @data_in_dma: physical address for READS
1259 * @data_in_sz: data xfer size for READS
1264 _base_build_sg(struct MPT3SAS_ADAPTER *ioc, void *psge,
1265 dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
1270 if (!data_out_sz && !data_in_sz) {
1271 _base_build_zero_len_sge(ioc, psge);
1275 if (data_out_sz && data_in_sz) {
1276 /* WRITE sgel first */
1277 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
1278 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
1279 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1280 ioc->base_add_sg_single(psge, sgl_flags |
1281 data_out_sz, data_out_dma);
1284 psge += ioc->sge_size;
1286 /* READ sgel last */
1287 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
1288 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
1289 MPI2_SGE_FLAGS_END_OF_LIST);
1290 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1291 ioc->base_add_sg_single(psge, sgl_flags |
1292 data_in_sz, data_in_dma);
1293 } else if (data_out_sz) /* WRITE */ {
1294 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
1295 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
1296 MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC);
1297 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1298 ioc->base_add_sg_single(psge, sgl_flags |
1299 data_out_sz, data_out_dma);
1300 } else if (data_in_sz) /* READ */ {
1301 sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
1302 MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
1303 MPI2_SGE_FLAGS_END_OF_LIST);
1304 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1305 ioc->base_add_sg_single(psge, sgl_flags |
1306 data_in_sz, data_in_dma);
1310 /* IEEE format sgls */
1313 * _base_add_sg_single_ieee - add sg element for IEEE format
1314 * @paddr: virtual address for SGE
1316 * @chain_offset: number of 128 byte elements from start of segment
1317 * @length: data transfer length
1318 * @dma_addr: Physical address
1323 _base_add_sg_single_ieee(void *paddr, u8 flags, u8 chain_offset, u32 length,
1324 dma_addr_t dma_addr)
1326 Mpi25IeeeSgeChain64_t *sgel = paddr;
1328 sgel->Flags = flags;
1329 sgel->NextChainOffset = chain_offset;
1330 sgel->Length = cpu_to_le32(length);
1331 sgel->Address = cpu_to_le64(dma_addr);
1335 * _base_build_zero_len_sge_ieee - build zero length sg entry for IEEE format
1336 * @ioc: per adapter object
1337 * @paddr: virtual address for SGE
1339 * Create a zero length scatter gather entry to insure the IOCs hardware has
1340 * something to use if the target device goes brain dead and tries
1341 * to send data even when none is asked for.
1346 _base_build_zero_len_sge_ieee(struct MPT3SAS_ADAPTER *ioc, void *paddr)
1348 u8 sgl_flags = (MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
1349 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR |
1350 MPI25_IEEE_SGE_FLAGS_END_OF_LIST);
1351 _base_add_sg_single_ieee(paddr, sgl_flags, 0, 0, -1);
1355 * _base_build_sg_scmd - main sg creation routine
1356 * @ioc: per adapter object
1357 * @scmd: scsi command
1358 * @smid: system request message index
1361 * The main routine that builds scatter gather table from a given
1362 * scsi request sent via the .queuecommand main handler.
1364 * Returns 0 success, anything else error
1367 _base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc,
1368 struct scsi_cmnd *scmd, u16 smid)
1370 Mpi2SCSIIORequest_t *mpi_request;
1371 dma_addr_t chain_dma;
1372 struct scatterlist *sg_scmd;
1373 void *sg_local, *chain;
1378 u32 sges_in_segment;
1380 u32 sgl_flags_last_element;
1381 u32 sgl_flags_end_buffer;
1382 struct chain_tracker *chain_req;
1384 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
1386 /* init scatter gather flags */
1387 sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
1388 if (scmd->sc_data_direction == DMA_TO_DEVICE)
1389 sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
1390 sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
1391 << MPI2_SGE_FLAGS_SHIFT;
1392 sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
1393 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
1394 << MPI2_SGE_FLAGS_SHIFT;
1395 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1397 sg_scmd = scsi_sglist(scmd);
1398 sges_left = scsi_dma_map(scmd);
1399 if (sges_left < 0) {
1400 sdev_printk(KERN_ERR, scmd->device,
1401 "pci_map_sg failed: request for %d bytes!\n",
1402 scsi_bufflen(scmd));
1406 sg_local = &mpi_request->SGL;
1407 sges_in_segment = ioc->max_sges_in_main_message;
1408 if (sges_left <= sges_in_segment)
1409 goto fill_in_last_segment;
1411 mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
1412 (sges_in_segment * ioc->sge_size))/4;
1414 /* fill in main message segment when there is a chain following */
1415 while (sges_in_segment) {
1416 if (sges_in_segment == 1)
1417 ioc->base_add_sg_single(sg_local,
1418 sgl_flags_last_element | sg_dma_len(sg_scmd),
1419 sg_dma_address(sg_scmd));
1421 ioc->base_add_sg_single(sg_local, sgl_flags |
1422 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1423 sg_scmd = sg_next(sg_scmd);
1424 sg_local += ioc->sge_size;
1429 /* initializing the chain flags and pointers */
1430 chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
1431 chain_req = _base_get_chain_buffer_tracker(ioc, smid);
1434 chain = chain_req->chain_buffer;
1435 chain_dma = chain_req->chain_buffer_dma;
1437 sges_in_segment = (sges_left <=
1438 ioc->max_sges_in_chain_message) ? sges_left :
1439 ioc->max_sges_in_chain_message;
1440 chain_offset = (sges_left == sges_in_segment) ?
1441 0 : (sges_in_segment * ioc->sge_size)/4;
1442 chain_length = sges_in_segment * ioc->sge_size;
1444 chain_offset = chain_offset <<
1445 MPI2_SGE_CHAIN_OFFSET_SHIFT;
1446 chain_length += ioc->sge_size;
1448 ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
1449 chain_length, chain_dma);
1452 goto fill_in_last_segment;
1454 /* fill in chain segments */
1455 while (sges_in_segment) {
1456 if (sges_in_segment == 1)
1457 ioc->base_add_sg_single(sg_local,
1458 sgl_flags_last_element |
1459 sg_dma_len(sg_scmd),
1460 sg_dma_address(sg_scmd));
1462 ioc->base_add_sg_single(sg_local, sgl_flags |
1463 sg_dma_len(sg_scmd),
1464 sg_dma_address(sg_scmd));
1465 sg_scmd = sg_next(sg_scmd);
1466 sg_local += ioc->sge_size;
1471 chain_req = _base_get_chain_buffer_tracker(ioc, smid);
1474 chain = chain_req->chain_buffer;
1475 chain_dma = chain_req->chain_buffer_dma;
1479 fill_in_last_segment:
1481 /* fill the last segment */
1484 ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
1485 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1487 ioc->base_add_sg_single(sg_local, sgl_flags |
1488 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1489 sg_scmd = sg_next(sg_scmd);
1490 sg_local += ioc->sge_size;
1498 * _base_build_sg_scmd_ieee - main sg creation routine for IEEE format
1499 * @ioc: per adapter object
1500 * @scmd: scsi command
1501 * @smid: system request message index
1504 * The main routine that builds scatter gather table from a given
1505 * scsi request sent via the .queuecommand main handler.
1507 * Returns 0 success, anything else error
1510 _base_build_sg_scmd_ieee(struct MPT3SAS_ADAPTER *ioc,
1511 struct scsi_cmnd *scmd, u16 smid)
1513 Mpi2SCSIIORequest_t *mpi_request;
1514 dma_addr_t chain_dma;
1515 struct scatterlist *sg_scmd;
1516 void *sg_local, *chain;
1520 u32 sges_in_segment;
1521 u8 simple_sgl_flags;
1522 u8 simple_sgl_flags_last;
1524 struct chain_tracker *chain_req;
1526 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
1528 /* init scatter gather flags */
1529 simple_sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
1530 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
1531 simple_sgl_flags_last = simple_sgl_flags |
1532 MPI25_IEEE_SGE_FLAGS_END_OF_LIST;
1533 chain_sgl_flags = MPI2_IEEE_SGE_FLAGS_CHAIN_ELEMENT |
1534 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
1536 sg_scmd = scsi_sglist(scmd);
1537 sges_left = scsi_dma_map(scmd);
1538 if (sges_left < 0) {
1539 sdev_printk(KERN_ERR, scmd->device,
1540 "pci_map_sg failed: request for %d bytes!\n",
1541 scsi_bufflen(scmd));
1545 sg_local = &mpi_request->SGL;
1546 sges_in_segment = (ioc->request_sz -
1547 offsetof(Mpi2SCSIIORequest_t, SGL))/ioc->sge_size_ieee;
1548 if (sges_left <= sges_in_segment)
1549 goto fill_in_last_segment;
1551 mpi_request->ChainOffset = (sges_in_segment - 1 /* chain element */) +
1552 (offsetof(Mpi2SCSIIORequest_t, SGL)/ioc->sge_size_ieee);
1554 /* fill in main message segment when there is a chain following */
1555 while (sges_in_segment > 1) {
1556 _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
1557 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1558 sg_scmd = sg_next(sg_scmd);
1559 sg_local += ioc->sge_size_ieee;
1564 /* initializing the pointers */
1565 chain_req = _base_get_chain_buffer_tracker(ioc, smid);
1568 chain = chain_req->chain_buffer;
1569 chain_dma = chain_req->chain_buffer_dma;
1571 sges_in_segment = (sges_left <=
1572 ioc->max_sges_in_chain_message) ? sges_left :
1573 ioc->max_sges_in_chain_message;
1574 chain_offset = (sges_left == sges_in_segment) ?
1575 0 : sges_in_segment;
1576 chain_length = sges_in_segment * ioc->sge_size_ieee;
1578 chain_length += ioc->sge_size_ieee;
1579 _base_add_sg_single_ieee(sg_local, chain_sgl_flags,
1580 chain_offset, chain_length, chain_dma);
1584 goto fill_in_last_segment;
1586 /* fill in chain segments */
1587 while (sges_in_segment) {
1588 _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
1589 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1590 sg_scmd = sg_next(sg_scmd);
1591 sg_local += ioc->sge_size_ieee;
1596 chain_req = _base_get_chain_buffer_tracker(ioc, smid);
1599 chain = chain_req->chain_buffer;
1600 chain_dma = chain_req->chain_buffer_dma;
1604 fill_in_last_segment:
1606 /* fill the last segment */
1607 while (sges_left > 0) {
1609 _base_add_sg_single_ieee(sg_local,
1610 simple_sgl_flags_last, 0, sg_dma_len(sg_scmd),
1611 sg_dma_address(sg_scmd));
1613 _base_add_sg_single_ieee(sg_local, simple_sgl_flags, 0,
1614 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1615 sg_scmd = sg_next(sg_scmd);
1616 sg_local += ioc->sge_size_ieee;
1624 * _base_build_sg_ieee - build generic sg for IEEE format
1625 * @ioc: per adapter object
1626 * @psge: virtual address for SGE
1627 * @data_out_dma: physical address for WRITES
1628 * @data_out_sz: data xfer size for WRITES
1629 * @data_in_dma: physical address for READS
1630 * @data_in_sz: data xfer size for READS
1635 _base_build_sg_ieee(struct MPT3SAS_ADAPTER *ioc, void *psge,
1636 dma_addr_t data_out_dma, size_t data_out_sz, dma_addr_t data_in_dma,
1641 if (!data_out_sz && !data_in_sz) {
1642 _base_build_zero_len_sge_ieee(ioc, psge);
1646 if (data_out_sz && data_in_sz) {
1647 /* WRITE sgel first */
1648 sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
1649 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
1650 _base_add_sg_single_ieee(psge, sgl_flags, 0, data_out_sz,
1654 psge += ioc->sge_size_ieee;
1656 /* READ sgel last */
1657 sgl_flags |= MPI25_IEEE_SGE_FLAGS_END_OF_LIST;
1658 _base_add_sg_single_ieee(psge, sgl_flags, 0, data_in_sz,
1660 } else if (data_out_sz) /* WRITE */ {
1661 sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
1662 MPI25_IEEE_SGE_FLAGS_END_OF_LIST |
1663 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
1664 _base_add_sg_single_ieee(psge, sgl_flags, 0, data_out_sz,
1666 } else if (data_in_sz) /* READ */ {
1667 sgl_flags = MPI2_IEEE_SGE_FLAGS_SIMPLE_ELEMENT |
1668 MPI25_IEEE_SGE_FLAGS_END_OF_LIST |
1669 MPI2_IEEE_SGE_FLAGS_SYSTEM_ADDR;
1670 _base_add_sg_single_ieee(psge, sgl_flags, 0, data_in_sz,
1675 #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
1678 * _base_config_dma_addressing - set dma addressing
1679 * @ioc: per adapter object
1680 * @pdev: PCI device struct
1682 * Returns 0 for success, non-zero for failure.
1685 _base_config_dma_addressing(struct MPT3SAS_ADAPTER *ioc, struct pci_dev *pdev)
1688 u64 consistent_dma_mask;
1691 consistent_dma_mask = DMA_BIT_MASK(64);
1693 consistent_dma_mask = DMA_BIT_MASK(32);
1695 if (sizeof(dma_addr_t) > 4) {
1696 const uint64_t required_mask =
1697 dma_get_required_mask(&pdev->dev);
1698 if ((required_mask > DMA_BIT_MASK(32)) &&
1699 !pci_set_dma_mask(pdev, DMA_BIT_MASK(64)) &&
1700 !pci_set_consistent_dma_mask(pdev, consistent_dma_mask)) {
1701 ioc->base_add_sg_single = &_base_add_sg_single_64;
1702 ioc->sge_size = sizeof(Mpi2SGESimple64_t);
1708 if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
1709 && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
1710 ioc->base_add_sg_single = &_base_add_sg_single_32;
1711 ioc->sge_size = sizeof(Mpi2SGESimple32_t);
1719 "%d BIT PCI BUS DMA ADDRESSING SUPPORTED, total mem (%ld kB)\n",
1720 ioc->name, ioc->dma_mask, convert_to_kb(s.totalram));
1726 _base_change_consistent_dma_mask(struct MPT3SAS_ADAPTER *ioc,
1727 struct pci_dev *pdev)
1729 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
1730 if (pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32)))
1737 * _base_check_enable_msix - checks MSIX capabable.
1738 * @ioc: per adapter object
1740 * Check to see if card is capable of MSIX, and set number
1741 * of available msix vectors
1744 _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc)
1747 u16 message_control;
1749 /* Check whether controller SAS2008 B0 controller,
1750 * if it is SAS2008 B0 controller use IO-APIC instead of MSIX
1752 if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 &&
1753 ioc->pdev->revision == SAS2_PCI_DEVICE_B0_REVISION) {
1757 base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX);
1759 dfailprintk(ioc, pr_info(MPT3SAS_FMT "msix not supported\n",
1764 /* get msix vector count */
1765 /* NUMA_IO not supported for older controllers */
1766 if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 ||
1767 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 ||
1768 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 ||
1769 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 ||
1770 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 ||
1771 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 ||
1772 ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2)
1773 ioc->msix_vector_count = 1;
1775 pci_read_config_word(ioc->pdev, base + 2, &message_control);
1776 ioc->msix_vector_count = (message_control & 0x3FF) + 1;
1778 dinitprintk(ioc, pr_info(MPT3SAS_FMT
1779 "msix is supported, vector_count(%d)\n",
1780 ioc->name, ioc->msix_vector_count));
1785 * _base_free_irq - free irq
1786 * @ioc: per adapter object
1788 * Freeing respective reply_queue from the list.
1791 _base_free_irq(struct MPT3SAS_ADAPTER *ioc)
1793 struct adapter_reply_queue *reply_q, *next;
1795 if (list_empty(&ioc->reply_queue_list))
1798 list_for_each_entry_safe(reply_q, next, &ioc->reply_queue_list, list) {
1799 list_del(&reply_q->list);
1800 irq_set_affinity_hint(reply_q->vector, NULL);
1801 free_cpumask_var(reply_q->affinity_hint);
1802 synchronize_irq(reply_q->vector);
1803 free_irq(reply_q->vector, reply_q);
1809 * _base_request_irq - request irq
1810 * @ioc: per adapter object
1811 * @index: msix index into vector table
1812 * @vector: irq vector
1814 * Inserting respective reply_queue into the list.
1817 _base_request_irq(struct MPT3SAS_ADAPTER *ioc, u8 index, u32 vector)
1819 struct adapter_reply_queue *reply_q;
1822 reply_q = kzalloc(sizeof(struct adapter_reply_queue), GFP_KERNEL);
1824 pr_err(MPT3SAS_FMT "unable to allocate memory %d!\n",
1825 ioc->name, (int)sizeof(struct adapter_reply_queue));
1829 reply_q->msix_index = index;
1830 reply_q->vector = vector;
1832 if (!alloc_cpumask_var(&reply_q->affinity_hint, GFP_KERNEL))
1834 cpumask_clear(reply_q->affinity_hint);
1836 atomic_set(&reply_q->busy, 0);
1837 if (ioc->msix_enable)
1838 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d",
1839 ioc->driver_name, ioc->id, index);
1841 snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d",
1842 ioc->driver_name, ioc->id);
1843 r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name,
1846 pr_err(MPT3SAS_FMT "unable to allocate interrupt %d!\n",
1847 reply_q->name, vector);
1852 INIT_LIST_HEAD(&reply_q->list);
1853 list_add_tail(&reply_q->list, &ioc->reply_queue_list);
1858 * _base_assign_reply_queues - assigning msix index for each cpu
1859 * @ioc: per adapter object
1861 * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
1863 * It would nice if we could call irq_set_affinity, however it is not
1864 * an exported symbol
1867 _base_assign_reply_queues(struct MPT3SAS_ADAPTER *ioc)
1869 unsigned int cpu, nr_cpus, nr_msix, index = 0;
1870 struct adapter_reply_queue *reply_q;
1872 if (!_base_is_controller_msix_enabled(ioc))
1875 memset(ioc->cpu_msix_table, 0, ioc->cpu_msix_table_sz);
1877 nr_cpus = num_online_cpus();
1878 nr_msix = ioc->reply_queue_count = min(ioc->reply_queue_count,
1879 ioc->facts.MaxMSIxVectors);
1883 cpu = cpumask_first(cpu_online_mask);
1885 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
1887 unsigned int i, group = nr_cpus / nr_msix;
1892 if (index < nr_cpus % nr_msix)
1895 for (i = 0 ; i < group ; i++) {
1896 ioc->cpu_msix_table[cpu] = index;
1897 cpumask_or(reply_q->affinity_hint,
1898 reply_q->affinity_hint, get_cpu_mask(cpu));
1899 cpu = cpumask_next(cpu, cpu_online_mask);
1902 if (irq_set_affinity_hint(reply_q->vector,
1903 reply_q->affinity_hint))
1904 dinitprintk(ioc, pr_info(MPT3SAS_FMT
1905 "error setting affinity hint for irq vector %d\n",
1906 ioc->name, reply_q->vector));
1912 * _base_disable_msix - disables msix
1913 * @ioc: per adapter object
1917 _base_disable_msix(struct MPT3SAS_ADAPTER *ioc)
1919 if (!ioc->msix_enable)
1921 pci_disable_msix(ioc->pdev);
1922 ioc->msix_enable = 0;
1926 * _base_enable_msix - enables msix, failback to io_apic
1927 * @ioc: per adapter object
1931 _base_enable_msix(struct MPT3SAS_ADAPTER *ioc)
1933 struct msix_entry *entries, *a;
1938 if (msix_disable == -1 || msix_disable == 0)
1944 if (_base_check_enable_msix(ioc) != 0)
1947 ioc->reply_queue_count = min_t(int, ioc->cpu_count,
1948 ioc->msix_vector_count);
1950 printk(MPT3SAS_FMT "MSI-X vectors supported: %d, no of cores"
1951 ": %d, max_msix_vectors: %d\n", ioc->name, ioc->msix_vector_count,
1952 ioc->cpu_count, max_msix_vectors);
1954 if (!ioc->rdpq_array_enable && max_msix_vectors == -1)
1955 max_msix_vectors = 8;
1957 if (max_msix_vectors > 0) {
1958 ioc->reply_queue_count = min_t(int, max_msix_vectors,
1959 ioc->reply_queue_count);
1960 ioc->msix_vector_count = ioc->reply_queue_count;
1961 } else if (max_msix_vectors == 0)
1964 entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry),
1967 dfailprintk(ioc, pr_info(MPT3SAS_FMT
1968 "kcalloc failed @ at %s:%d/%s() !!!\n",
1969 ioc->name, __FILE__, __LINE__, __func__));
1973 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++)
1976 r = pci_enable_msix_exact(ioc->pdev, entries, ioc->reply_queue_count);
1978 dfailprintk(ioc, pr_info(MPT3SAS_FMT
1979 "pci_enable_msix_exact failed (r=%d) !!!\n",
1985 ioc->msix_enable = 1;
1986 for (i = 0, a = entries; i < ioc->reply_queue_count; i++, a++) {
1987 r = _base_request_irq(ioc, i, a->vector);
1989 _base_free_irq(ioc);
1990 _base_disable_msix(ioc);
1999 /* failback to io_apic interrupt routing */
2002 ioc->reply_queue_count = 1;
2003 r = _base_request_irq(ioc, 0, ioc->pdev->irq);
2009 * mpt3sas_base_unmap_resources - free controller resources
2010 * @ioc: per adapter object
2013 mpt3sas_base_unmap_resources(struct MPT3SAS_ADAPTER *ioc)
2015 struct pci_dev *pdev = ioc->pdev;
2017 dexitprintk(ioc, printk(MPT3SAS_FMT "%s\n",
2018 ioc->name, __func__));
2020 _base_free_irq(ioc);
2021 _base_disable_msix(ioc);
2023 if (ioc->msix96_vector)
2024 kfree(ioc->replyPostRegisterIndex);
2026 if (ioc->chip_phys) {
2031 if (pci_is_enabled(pdev)) {
2032 pci_release_selected_regions(ioc->pdev, ioc->bars);
2033 pci_disable_pcie_error_reporting(pdev);
2034 pci_disable_device(pdev);
2039 * mpt3sas_base_map_resources - map in controller resources (io/irq/memap)
2040 * @ioc: per adapter object
2042 * Returns 0 for success, non-zero for failure.
2045 mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc)
2047 struct pci_dev *pdev = ioc->pdev;
2053 struct adapter_reply_queue *reply_q;
2055 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n",
2056 ioc->name, __func__));
2058 ioc->bars = pci_select_bars(pdev, IORESOURCE_MEM);
2059 if (pci_enable_device_mem(pdev)) {
2060 pr_warn(MPT3SAS_FMT "pci_enable_device_mem: failed\n",
2067 if (pci_request_selected_regions(pdev, ioc->bars,
2068 ioc->driver_name)) {
2069 pr_warn(MPT3SAS_FMT "pci_request_selected_regions: failed\n",
2076 /* AER (Advanced Error Reporting) hooks */
2077 pci_enable_pcie_error_reporting(pdev);
2079 pci_set_master(pdev);
2082 if (_base_config_dma_addressing(ioc, pdev) != 0) {
2083 pr_warn(MPT3SAS_FMT "no suitable DMA mask for %s\n",
2084 ioc->name, pci_name(pdev));
2089 for (i = 0, memap_sz = 0, pio_sz = 0; (i < DEVICE_COUNT_RESOURCE) &&
2090 (!memap_sz || !pio_sz); i++) {
2091 if (pci_resource_flags(pdev, i) & IORESOURCE_IO) {
2094 pio_chip = (u64)pci_resource_start(pdev, i);
2095 pio_sz = pci_resource_len(pdev, i);
2096 } else if (pci_resource_flags(pdev, i) & IORESOURCE_MEM) {
2099 ioc->chip_phys = pci_resource_start(pdev, i);
2100 chip_phys = (u64)ioc->chip_phys;
2101 memap_sz = pci_resource_len(pdev, i);
2102 ioc->chip = ioremap(ioc->chip_phys, memap_sz);
2106 if (ioc->chip == NULL) {
2107 pr_err(MPT3SAS_FMT "unable to map adapter memory! "
2108 " or resource not found\n", ioc->name);
2113 _base_mask_interrupts(ioc);
2115 r = _base_get_ioc_facts(ioc, CAN_SLEEP);
2119 if (!ioc->rdpq_array_enable_assigned) {
2120 ioc->rdpq_array_enable = ioc->rdpq_array_capable;
2121 ioc->rdpq_array_enable_assigned = 1;
2124 r = _base_enable_msix(ioc);
2128 /* Use the Combined reply queue feature only for SAS3 C0 & higher
2129 * revision HBAs and also only when reply queue count is greater than 8
2131 if (ioc->msix96_vector && ioc->reply_queue_count > 8) {
2132 /* Determine the Supplemental Reply Post Host Index Registers
2133 * Addresse. Supplemental Reply Post Host Index Registers
2134 * starts at offset MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET and
2135 * each register is at offset bytes of
2136 * MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET from previous one.
2138 ioc->replyPostRegisterIndex = kcalloc(
2139 MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT,
2140 sizeof(resource_size_t *), GFP_KERNEL);
2141 if (!ioc->replyPostRegisterIndex) {
2142 dfailprintk(ioc, printk(MPT3SAS_FMT
2143 "allocation for reply Post Register Index failed!!!\n",
2149 for (i = 0; i < MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT; i++) {
2150 ioc->replyPostRegisterIndex[i] = (resource_size_t *)
2151 ((u8 *)&ioc->chip->Doorbell +
2152 MPI25_SUP_REPLY_POST_HOST_INDEX_OFFSET +
2153 (i * MPT3_SUP_REPLY_POST_HOST_INDEX_REG_OFFSET));
2156 ioc->msix96_vector = 0;
2158 if (ioc->is_warpdrive) {
2159 ioc->reply_post_host_index[0] = (resource_size_t __iomem *)
2160 &ioc->chip->ReplyPostHostIndex;
2162 for (i = 1; i < ioc->cpu_msix_table_sz; i++)
2163 ioc->reply_post_host_index[i] =
2164 (resource_size_t __iomem *)
2165 ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1)
2169 list_for_each_entry(reply_q, &ioc->reply_queue_list, list)
2170 pr_info(MPT3SAS_FMT "%s: IRQ %d\n",
2171 reply_q->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
2172 "IO-APIC enabled"), reply_q->vector);
2174 pr_info(MPT3SAS_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
2175 ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz);
2176 pr_info(MPT3SAS_FMT "ioport(0x%016llx), size(%d)\n",
2177 ioc->name, (unsigned long long)pio_chip, pio_sz);
2179 /* Save PCI configuration state for recovery from PCI AER/EEH errors */
2180 pci_save_state(pdev);
2184 mpt3sas_base_unmap_resources(ioc);
2189 * mpt3sas_base_get_msg_frame - obtain request mf pointer
2190 * @ioc: per adapter object
2191 * @smid: system request message index(smid zero is invalid)
2193 * Returns virt pointer to message frame.
2196 mpt3sas_base_get_msg_frame(struct MPT3SAS_ADAPTER *ioc, u16 smid)
2198 return (void *)(ioc->request + (smid * ioc->request_sz));
2202 * mpt3sas_base_get_sense_buffer - obtain a sense buffer virt addr
2203 * @ioc: per adapter object
2204 * @smid: system request message index
2206 * Returns virt pointer to sense buffer.
2209 mpt3sas_base_get_sense_buffer(struct MPT3SAS_ADAPTER *ioc, u16 smid)
2211 return (void *)(ioc->sense + ((smid - 1) * SCSI_SENSE_BUFFERSIZE));
2215 * mpt3sas_base_get_sense_buffer_dma - obtain a sense buffer dma addr
2216 * @ioc: per adapter object
2217 * @smid: system request message index
2219 * Returns phys pointer to the low 32bit address of the sense buffer.
2222 mpt3sas_base_get_sense_buffer_dma(struct MPT3SAS_ADAPTER *ioc, u16 smid)
2224 return cpu_to_le32(ioc->sense_dma + ((smid - 1) *
2225 SCSI_SENSE_BUFFERSIZE));
2229 * mpt3sas_base_get_reply_virt_addr - obtain reply frames virt address
2230 * @ioc: per adapter object
2231 * @phys_addr: lower 32 physical addr of the reply
2233 * Converts 32bit lower physical addr into a virt address.
2236 mpt3sas_base_get_reply_virt_addr(struct MPT3SAS_ADAPTER *ioc, u32 phys_addr)
2240 return ioc->reply + (phys_addr - (u32)ioc->reply_dma);
2244 * mpt3sas_base_get_smid - obtain a free smid from internal queue
2245 * @ioc: per adapter object
2246 * @cb_idx: callback index
2248 * Returns smid (zero is invalid)
2251 mpt3sas_base_get_smid(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx)
2253 unsigned long flags;
2254 struct request_tracker *request;
2257 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2258 if (list_empty(&ioc->internal_free_list)) {
2259 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2260 pr_err(MPT3SAS_FMT "%s: smid not available\n",
2261 ioc->name, __func__);
2265 request = list_entry(ioc->internal_free_list.next,
2266 struct request_tracker, tracker_list);
2267 request->cb_idx = cb_idx;
2268 smid = request->smid;
2269 list_del(&request->tracker_list);
2270 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2275 * mpt3sas_base_get_smid_scsiio - obtain a free smid from scsiio queue
2276 * @ioc: per adapter object
2277 * @cb_idx: callback index
2278 * @scmd: pointer to scsi command object
2280 * Returns smid (zero is invalid)
2283 mpt3sas_base_get_smid_scsiio(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx,
2284 struct scsi_cmnd *scmd)
2286 unsigned long flags;
2287 struct scsiio_tracker *request;
2290 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2291 if (list_empty(&ioc->free_list)) {
2292 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2293 pr_err(MPT3SAS_FMT "%s: smid not available\n",
2294 ioc->name, __func__);
2298 request = list_entry(ioc->free_list.next,
2299 struct scsiio_tracker, tracker_list);
2300 request->scmd = scmd;
2301 request->cb_idx = cb_idx;
2302 smid = request->smid;
2303 list_del(&request->tracker_list);
2304 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2309 * mpt3sas_base_get_smid_hpr - obtain a free smid from hi-priority queue
2310 * @ioc: per adapter object
2311 * @cb_idx: callback index
2313 * Returns smid (zero is invalid)
2316 mpt3sas_base_get_smid_hpr(struct MPT3SAS_ADAPTER *ioc, u8 cb_idx)
2318 unsigned long flags;
2319 struct request_tracker *request;
2322 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2323 if (list_empty(&ioc->hpr_free_list)) {
2324 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2328 request = list_entry(ioc->hpr_free_list.next,
2329 struct request_tracker, tracker_list);
2330 request->cb_idx = cb_idx;
2331 smid = request->smid;
2332 list_del(&request->tracker_list);
2333 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2338 * mpt3sas_base_free_smid - put smid back on free_list
2339 * @ioc: per adapter object
2340 * @smid: system request message index
2345 mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid)
2347 unsigned long flags;
2349 struct chain_tracker *chain_req, *next;
2351 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
2352 if (smid < ioc->hi_priority_smid) {
2355 if (!list_empty(&ioc->scsi_lookup[i].chain_list)) {
2356 list_for_each_entry_safe(chain_req, next,
2357 &ioc->scsi_lookup[i].chain_list, tracker_list) {
2358 list_del_init(&chain_req->tracker_list);
2359 list_add(&chain_req->tracker_list,
2360 &ioc->free_chain_list);
2363 ioc->scsi_lookup[i].cb_idx = 0xFF;
2364 ioc->scsi_lookup[i].scmd = NULL;
2365 ioc->scsi_lookup[i].direct_io = 0;
2366 list_add(&ioc->scsi_lookup[i].tracker_list, &ioc->free_list);
2367 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2370 * See _wait_for_commands_to_complete() call with regards
2373 if (ioc->shost_recovery && ioc->pending_io_count) {
2374 if (ioc->pending_io_count == 1)
2375 wake_up(&ioc->reset_wq);
2376 ioc->pending_io_count--;
2379 } else if (smid < ioc->internal_smid) {
2381 i = smid - ioc->hi_priority_smid;
2382 ioc->hpr_lookup[i].cb_idx = 0xFF;
2383 list_add(&ioc->hpr_lookup[i].tracker_list, &ioc->hpr_free_list);
2384 } else if (smid <= ioc->hba_queue_depth) {
2385 /* internal queue */
2386 i = smid - ioc->internal_smid;
2387 ioc->internal_lookup[i].cb_idx = 0xFF;
2388 list_add(&ioc->internal_lookup[i].tracker_list,
2389 &ioc->internal_free_list);
2391 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
2395 * _base_writeq - 64 bit write to MMIO
2396 * @ioc: per adapter object
2398 * @addr: address in MMIO space
2399 * @writeq_lock: spin lock
2401 * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
2402 * care of 32 bit environment where its not quarenteed to send the entire word
2405 #if defined(writeq) && defined(CONFIG_64BIT)
2407 _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
2409 writeq(cpu_to_le64(b), addr);
2413 _base_writeq(__u64 b, volatile void __iomem *addr, spinlock_t *writeq_lock)
2415 unsigned long flags;
2416 __u64 data_out = cpu_to_le64(b);
2418 spin_lock_irqsave(writeq_lock, flags);
2419 writel((u32)(data_out), addr);
2420 writel((u32)(data_out >> 32), (addr + 4));
2421 spin_unlock_irqrestore(writeq_lock, flags);
2426 _base_get_msix_index(struct MPT3SAS_ADAPTER *ioc)
2428 return ioc->cpu_msix_table[raw_smp_processor_id()];
2432 * mpt3sas_base_put_smid_scsi_io - send SCSI_IO request to firmware
2433 * @ioc: per adapter object
2434 * @smid: system request message index
2435 * @handle: device handle
2440 mpt3sas_base_put_smid_scsi_io(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 handle)
2442 Mpi2RequestDescriptorUnion_t descriptor;
2443 u64 *request = (u64 *)&descriptor;
2446 descriptor.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
2447 descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc);
2448 descriptor.SCSIIO.SMID = cpu_to_le16(smid);
2449 descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
2450 descriptor.SCSIIO.LMID = 0;
2451 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
2452 &ioc->scsi_lookup_lock);
2456 * mpt3sas_base_put_smid_fast_path - send fast path request to firmware
2457 * @ioc: per adapter object
2458 * @smid: system request message index
2459 * @handle: device handle
2464 mpt3sas_base_put_smid_fast_path(struct MPT3SAS_ADAPTER *ioc, u16 smid,
2467 Mpi2RequestDescriptorUnion_t descriptor;
2468 u64 *request = (u64 *)&descriptor;
2470 descriptor.SCSIIO.RequestFlags =
2471 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
2472 descriptor.SCSIIO.MSIxIndex = _base_get_msix_index(ioc);
2473 descriptor.SCSIIO.SMID = cpu_to_le16(smid);
2474 descriptor.SCSIIO.DevHandle = cpu_to_le16(handle);
2475 descriptor.SCSIIO.LMID = 0;
2476 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
2477 &ioc->scsi_lookup_lock);
2481 * mpt3sas_base_put_smid_hi_priority - send Task Managment request to firmware
2482 * @ioc: per adapter object
2483 * @smid: system request message index
2488 mpt3sas_base_put_smid_hi_priority(struct MPT3SAS_ADAPTER *ioc, u16 smid)
2490 Mpi2RequestDescriptorUnion_t descriptor;
2491 u64 *request = (u64 *)&descriptor;
2493 descriptor.HighPriority.RequestFlags =
2494 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
2495 descriptor.HighPriority.MSIxIndex = 0;
2496 descriptor.HighPriority.SMID = cpu_to_le16(smid);
2497 descriptor.HighPriority.LMID = 0;
2498 descriptor.HighPriority.Reserved1 = 0;
2499 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
2500 &ioc->scsi_lookup_lock);
2504 * mpt3sas_base_put_smid_default - Default, primarily used for config pages
2505 * @ioc: per adapter object
2506 * @smid: system request message index
2511 mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid)
2513 Mpi2RequestDescriptorUnion_t descriptor;
2514 u64 *request = (u64 *)&descriptor;
2516 descriptor.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
2517 descriptor.Default.MSIxIndex = _base_get_msix_index(ioc);
2518 descriptor.Default.SMID = cpu_to_le16(smid);
2519 descriptor.Default.LMID = 0;
2520 descriptor.Default.DescriptorTypeDependent = 0;
2521 _base_writeq(*request, &ioc->chip->RequestDescriptorPostLow,
2522 &ioc->scsi_lookup_lock);
2526 * _base_display_OEMs_branding - Display branding string
2527 * @ioc: per adapter object
2532 _base_display_OEMs_branding(struct MPT3SAS_ADAPTER *ioc)
2534 if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL)
2537 switch (ioc->pdev->subsystem_vendor) {
2538 case PCI_VENDOR_ID_INTEL:
2539 switch (ioc->pdev->device) {
2540 case MPI2_MFGPAGE_DEVID_SAS2008:
2541 switch (ioc->pdev->subsystem_device) {
2542 case MPT2SAS_INTEL_RMS2LL080_SSDID:
2543 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2544 MPT2SAS_INTEL_RMS2LL080_BRANDING);
2546 case MPT2SAS_INTEL_RMS2LL040_SSDID:
2547 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2548 MPT2SAS_INTEL_RMS2LL040_BRANDING);
2550 case MPT2SAS_INTEL_SSD910_SSDID:
2551 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2552 MPT2SAS_INTEL_SSD910_BRANDING);
2556 "Intel(R) Controller: Subsystem ID: 0x%X\n",
2557 ioc->name, ioc->pdev->subsystem_device);
2560 case MPI2_MFGPAGE_DEVID_SAS2308_2:
2561 switch (ioc->pdev->subsystem_device) {
2562 case MPT2SAS_INTEL_RS25GB008_SSDID:
2563 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2564 MPT2SAS_INTEL_RS25GB008_BRANDING);
2566 case MPT2SAS_INTEL_RMS25JB080_SSDID:
2567 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2568 MPT2SAS_INTEL_RMS25JB080_BRANDING);
2570 case MPT2SAS_INTEL_RMS25JB040_SSDID:
2571 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2572 MPT2SAS_INTEL_RMS25JB040_BRANDING);
2574 case MPT2SAS_INTEL_RMS25KB080_SSDID:
2575 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2576 MPT2SAS_INTEL_RMS25KB080_BRANDING);
2578 case MPT2SAS_INTEL_RMS25KB040_SSDID:
2579 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2580 MPT2SAS_INTEL_RMS25KB040_BRANDING);
2582 case MPT2SAS_INTEL_RMS25LB040_SSDID:
2583 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2584 MPT2SAS_INTEL_RMS25LB040_BRANDING);
2586 case MPT2SAS_INTEL_RMS25LB080_SSDID:
2587 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2588 MPT2SAS_INTEL_RMS25LB080_BRANDING);
2592 "Intel(R) Controller: Subsystem ID: 0x%X\n",
2593 ioc->name, ioc->pdev->subsystem_device);
2596 case MPI25_MFGPAGE_DEVID_SAS3008:
2597 switch (ioc->pdev->subsystem_device) {
2598 case MPT3SAS_INTEL_RMS3JC080_SSDID:
2599 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2600 MPT3SAS_INTEL_RMS3JC080_BRANDING);
2603 case MPT3SAS_INTEL_RS3GC008_SSDID:
2604 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2605 MPT3SAS_INTEL_RS3GC008_BRANDING);
2607 case MPT3SAS_INTEL_RS3FC044_SSDID:
2608 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2609 MPT3SAS_INTEL_RS3FC044_BRANDING);
2611 case MPT3SAS_INTEL_RS3UC080_SSDID:
2612 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2613 MPT3SAS_INTEL_RS3UC080_BRANDING);
2617 "Intel(R) Controller: Subsystem ID: 0x%X\n",
2618 ioc->name, ioc->pdev->subsystem_device);
2624 "Intel(R) Controller: Subsystem ID: 0x%X\n",
2625 ioc->name, ioc->pdev->subsystem_device);
2629 case PCI_VENDOR_ID_DELL:
2630 switch (ioc->pdev->device) {
2631 case MPI2_MFGPAGE_DEVID_SAS2008:
2632 switch (ioc->pdev->subsystem_device) {
2633 case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID:
2634 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2635 MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING);
2637 case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID:
2638 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2639 MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING);
2641 case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID:
2642 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2643 MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING);
2645 case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID:
2646 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2647 MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING);
2649 case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID:
2650 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2651 MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING);
2653 case MPT2SAS_DELL_PERC_H200_SSDID:
2654 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2655 MPT2SAS_DELL_PERC_H200_BRANDING);
2657 case MPT2SAS_DELL_6GBPS_SAS_SSDID:
2658 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2659 MPT2SAS_DELL_6GBPS_SAS_BRANDING);
2663 "Dell 6Gbps HBA: Subsystem ID: 0x%X\n",
2664 ioc->name, ioc->pdev->subsystem_device);
2668 case MPI25_MFGPAGE_DEVID_SAS3008:
2669 switch (ioc->pdev->subsystem_device) {
2670 case MPT3SAS_DELL_12G_HBA_SSDID:
2671 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2672 MPT3SAS_DELL_12G_HBA_BRANDING);
2676 "Dell 12Gbps HBA: Subsystem ID: 0x%X\n",
2677 ioc->name, ioc->pdev->subsystem_device);
2683 "Dell HBA: Subsystem ID: 0x%X\n", ioc->name,
2684 ioc->pdev->subsystem_device);
2688 case PCI_VENDOR_ID_CISCO:
2689 switch (ioc->pdev->device) {
2690 case MPI25_MFGPAGE_DEVID_SAS3008:
2691 switch (ioc->pdev->subsystem_device) {
2692 case MPT3SAS_CISCO_12G_8E_HBA_SSDID:
2693 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2694 MPT3SAS_CISCO_12G_8E_HBA_BRANDING);
2696 case MPT3SAS_CISCO_12G_8I_HBA_SSDID:
2697 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2698 MPT3SAS_CISCO_12G_8I_HBA_BRANDING);
2700 case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID:
2701 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2702 MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING);
2706 "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n",
2707 ioc->name, ioc->pdev->subsystem_device);
2711 case MPI25_MFGPAGE_DEVID_SAS3108_1:
2712 switch (ioc->pdev->subsystem_device) {
2713 case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID:
2714 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2715 MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING);
2717 case MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID:
2718 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2719 MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING
2724 "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n",
2725 ioc->name, ioc->pdev->subsystem_device);
2731 "Cisco SAS HBA: Subsystem ID: 0x%X\n",
2732 ioc->name, ioc->pdev->subsystem_device);
2736 case MPT2SAS_HP_3PAR_SSVID:
2737 switch (ioc->pdev->device) {
2738 case MPI2_MFGPAGE_DEVID_SAS2004:
2739 switch (ioc->pdev->subsystem_device) {
2740 case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID:
2741 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2742 MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING);
2746 "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n",
2747 ioc->name, ioc->pdev->subsystem_device);
2750 case MPI2_MFGPAGE_DEVID_SAS2308_2:
2751 switch (ioc->pdev->subsystem_device) {
2752 case MPT2SAS_HP_2_4_INTERNAL_SSDID:
2753 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2754 MPT2SAS_HP_2_4_INTERNAL_BRANDING);
2756 case MPT2SAS_HP_2_4_EXTERNAL_SSDID:
2757 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2758 MPT2SAS_HP_2_4_EXTERNAL_BRANDING);
2760 case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID:
2761 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2762 MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING);
2764 case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID:
2765 pr_info(MPT3SAS_FMT "%s\n", ioc->name,
2766 MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING);
2770 "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n",
2771 ioc->name, ioc->pdev->subsystem_device);
2776 "HP SAS HBA: Subsystem ID: 0x%X\n",
2777 ioc->name, ioc->pdev->subsystem_device);
2786 * _base_display_ioc_capabilities - Disply IOC's capabilities.
2787 * @ioc: per adapter object
2792 _base_display_ioc_capabilities(struct MPT3SAS_ADAPTER *ioc)
2796 u32 iounit_pg1_flags;
2799 bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
2800 strncpy(desc, ioc->manu_pg0.ChipName, 16);
2801 pr_info(MPT3SAS_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), "\
2802 "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
2804 (ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
2805 (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
2806 (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
2807 ioc->facts.FWVersion.Word & 0x000000FF,
2808 ioc->pdev->revision,
2809 (bios_version & 0xFF000000) >> 24,
2810 (bios_version & 0x00FF0000) >> 16,
2811 (bios_version & 0x0000FF00) >> 8,
2812 bios_version & 0x000000FF);
2814 _base_display_OEMs_branding(ioc);
2816 pr_info(MPT3SAS_FMT "Protocol=(", ioc->name);
2818 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR) {
2819 pr_info("Initiator");
2823 if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET) {
2824 pr_info("%sTarget", i ? "," : "");
2830 pr_info("Capabilities=(");
2832 if (!ioc->hide_ir_msg) {
2833 if (ioc->facts.IOCCapabilities &
2834 MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) {
2840 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) {
2841 pr_info("%sTLR", i ? "," : "");
2845 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_MULTICAST) {
2846 pr_info("%sMulticast", i ? "," : "");
2850 if (ioc->facts.IOCCapabilities &
2851 MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET) {
2852 pr_info("%sBIDI Target", i ? "," : "");
2856 if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_EEDP) {
2857 pr_info("%sEEDP", i ? "," : "");
2861 if (ioc->facts.IOCCapabilities &
2862 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) {
2863 pr_info("%sSnapshot Buffer", i ? "," : "");
2867 if (ioc->facts.IOCCapabilities &
2868 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER) {
2869 pr_info("%sDiag Trace Buffer", i ? "," : "");
2873 if (ioc->facts.IOCCapabilities &
2874 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) {
2875 pr_info("%sDiag Extended Buffer", i ? "," : "");
2879 if (ioc->facts.IOCCapabilities &
2880 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) {
2881 pr_info("%sTask Set Full", i ? "," : "");
2885 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
2886 if (!(iounit_pg1_flags & MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE)) {
2887 pr_info("%sNCQ", i ? "," : "");
2895 * mpt3sas_base_update_missing_delay - change the missing delay timers
2896 * @ioc: per adapter object
2897 * @device_missing_delay: amount of time till device is reported missing
2898 * @io_missing_delay: interval IO is returned when there is a missing device
2902 * Passed on the command line, this function will modify the device missing
2903 * delay, as well as the io missing delay. This should be called at driver
2907 mpt3sas_base_update_missing_delay(struct MPT3SAS_ADAPTER *ioc,
2908 u16 device_missing_delay, u8 io_missing_delay)
2910 u16 dmd, dmd_new, dmd_orignal;
2911 u8 io_missing_delay_original;
2913 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
2914 Mpi2ConfigReply_t mpi_reply;
2918 mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
2922 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (num_phys *
2923 sizeof(Mpi2SasIOUnit1PhyData_t));
2924 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
2925 if (!sas_iounit_pg1) {
2926 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
2927 ioc->name, __FILE__, __LINE__, __func__);
2930 if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
2931 sas_iounit_pg1, sz))) {
2932 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
2933 ioc->name, __FILE__, __LINE__, __func__);
2936 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
2937 MPI2_IOCSTATUS_MASK;
2938 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
2939 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
2940 ioc->name, __FILE__, __LINE__, __func__);
2944 /* device missing delay */
2945 dmd = sas_iounit_pg1->ReportDeviceMissingDelay;
2946 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
2947 dmd = (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
2949 dmd = dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2951 if (device_missing_delay > 0x7F) {
2952 dmd = (device_missing_delay > 0x7F0) ? 0x7F0 :
2953 device_missing_delay;
2955 dmd |= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16;
2957 dmd = device_missing_delay;
2958 sas_iounit_pg1->ReportDeviceMissingDelay = dmd;
2960 /* io missing delay */
2961 io_missing_delay_original = sas_iounit_pg1->IODeviceMissingDelay;
2962 sas_iounit_pg1->IODeviceMissingDelay = io_missing_delay;
2964 if (!mpt3sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
2966 if (dmd & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
2968 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
2971 dmd & MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
2972 pr_info(MPT3SAS_FMT "device_missing_delay: old(%d), new(%d)\n",
2973 ioc->name, dmd_orignal, dmd_new);
2974 pr_info(MPT3SAS_FMT "ioc_missing_delay: old(%d), new(%d)\n",
2975 ioc->name, io_missing_delay_original,
2977 ioc->device_missing_delay = dmd_new;
2978 ioc->io_missing_delay = io_missing_delay;
2982 kfree(sas_iounit_pg1);
2985 * _base_static_config_pages - static start of day config pages
2986 * @ioc: per adapter object
2991 _base_static_config_pages(struct MPT3SAS_ADAPTER *ioc)
2993 Mpi2ConfigReply_t mpi_reply;
2994 u32 iounit_pg1_flags;
2996 mpt3sas_config_get_manufacturing_pg0(ioc, &mpi_reply, &ioc->manu_pg0);
2997 if (ioc->ir_firmware)
2998 mpt3sas_config_get_manufacturing_pg10(ioc, &mpi_reply,
3002 * Ensure correct T10 PI operation if vendor left EEDPTagMode
3003 * flag unset in NVDATA.
3005 mpt3sas_config_get_manufacturing_pg11(ioc, &mpi_reply, &ioc->manu_pg11);
3006 if (ioc->manu_pg11.EEDPTagMode == 0) {
3007 pr_err("%s: overriding NVDATA EEDPTagMode setting\n",
3009 ioc->manu_pg11.EEDPTagMode &= ~0x3;
3010 ioc->manu_pg11.EEDPTagMode |= 0x1;
3011 mpt3sas_config_set_manufacturing_pg11(ioc, &mpi_reply,
3015 mpt3sas_config_get_bios_pg2(ioc, &mpi_reply, &ioc->bios_pg2);
3016 mpt3sas_config_get_bios_pg3(ioc, &mpi_reply, &ioc->bios_pg3);
3017 mpt3sas_config_get_ioc_pg8(ioc, &mpi_reply, &ioc->ioc_pg8);
3018 mpt3sas_config_get_iounit_pg0(ioc, &mpi_reply, &ioc->iounit_pg0);
3019 mpt3sas_config_get_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
3020 mpt3sas_config_get_iounit_pg8(ioc, &mpi_reply, &ioc->iounit_pg8);
3021 _base_display_ioc_capabilities(ioc);
3024 * Enable task_set_full handling in iounit_pg1 when the
3025 * facts capabilities indicate that its supported.
3027 iounit_pg1_flags = le32_to_cpu(ioc->iounit_pg1.Flags);
3028 if ((ioc->facts.IOCCapabilities &
3029 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING))
3031 ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
3034 MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING;
3035 ioc->iounit_pg1.Flags = cpu_to_le32(iounit_pg1_flags);
3036 mpt3sas_config_set_iounit_pg1(ioc, &mpi_reply, &ioc->iounit_pg1);
3038 if (ioc->iounit_pg8.NumSensors)
3039 ioc->temp_sensors_count = ioc->iounit_pg8.NumSensors;
3043 * _base_release_memory_pools - release memory
3044 * @ioc: per adapter object
3046 * Free memory allocated from _base_allocate_memory_pools.
3051 _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc)
3054 struct reply_post_struct *rps;
3056 dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
3060 pci_free_consistent(ioc->pdev, ioc->request_dma_sz,
3061 ioc->request, ioc->request_dma);
3062 dexitprintk(ioc, pr_info(MPT3SAS_FMT
3063 "request_pool(0x%p): free\n",
3064 ioc->name, ioc->request));
3065 ioc->request = NULL;
3069 pci_pool_free(ioc->sense_dma_pool, ioc->sense, ioc->sense_dma);
3070 if (ioc->sense_dma_pool)
3071 pci_pool_destroy(ioc->sense_dma_pool);
3072 dexitprintk(ioc, pr_info(MPT3SAS_FMT
3073 "sense_pool(0x%p): free\n",
3074 ioc->name, ioc->sense));
3079 pci_pool_free(ioc->reply_dma_pool, ioc->reply, ioc->reply_dma);
3080 if (ioc->reply_dma_pool)
3081 pci_pool_destroy(ioc->reply_dma_pool);
3082 dexitprintk(ioc, pr_info(MPT3SAS_FMT
3083 "reply_pool(0x%p): free\n",
3084 ioc->name, ioc->reply));
3088 if (ioc->reply_free) {
3089 pci_pool_free(ioc->reply_free_dma_pool, ioc->reply_free,
3090 ioc->reply_free_dma);
3091 if (ioc->reply_free_dma_pool)
3092 pci_pool_destroy(ioc->reply_free_dma_pool);
3093 dexitprintk(ioc, pr_info(MPT3SAS_FMT
3094 "reply_free_pool(0x%p): free\n",
3095 ioc->name, ioc->reply_free));
3096 ioc->reply_free = NULL;
3099 if (ioc->reply_post) {
3101 rps = &ioc->reply_post[i];
3102 if (rps->reply_post_free) {
3104 ioc->reply_post_free_dma_pool,
3105 rps->reply_post_free,
3106 rps->reply_post_free_dma);
3107 dexitprintk(ioc, pr_info(MPT3SAS_FMT
3108 "reply_post_free_pool(0x%p): free\n",
3109 ioc->name, rps->reply_post_free));
3110 rps->reply_post_free = NULL;
3112 } while (ioc->rdpq_array_enable &&
3113 (++i < ioc->reply_queue_count));
3115 if (ioc->reply_post_free_dma_pool)
3116 pci_pool_destroy(ioc->reply_post_free_dma_pool);
3117 kfree(ioc->reply_post);
3120 if (ioc->config_page) {
3121 dexitprintk(ioc, pr_info(MPT3SAS_FMT
3122 "config_page(0x%p): free\n", ioc->name,
3124 pci_free_consistent(ioc->pdev, ioc->config_page_sz,
3125 ioc->config_page, ioc->config_page_dma);
3128 if (ioc->scsi_lookup) {
3129 free_pages((ulong)ioc->scsi_lookup, ioc->scsi_lookup_pages);
3130 ioc->scsi_lookup = NULL;
3132 kfree(ioc->hpr_lookup);
3133 kfree(ioc->internal_lookup);
3134 if (ioc->chain_lookup) {
3135 for (i = 0; i < ioc->chain_depth; i++) {
3136 if (ioc->chain_lookup[i].chain_buffer)
3137 pci_pool_free(ioc->chain_dma_pool,
3138 ioc->chain_lookup[i].chain_buffer,
3139 ioc->chain_lookup[i].chain_buffer_dma);
3141 if (ioc->chain_dma_pool)
3142 pci_pool_destroy(ioc->chain_dma_pool);
3143 free_pages((ulong)ioc->chain_lookup, ioc->chain_pages);
3144 ioc->chain_lookup = NULL;
3149 * _base_allocate_memory_pools - allocate start of day memory pools
3150 * @ioc: per adapter object
3151 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3153 * Returns 0 success, anything else error
3156 _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
3158 struct mpt3sas_facts *facts;
3159 u16 max_sge_elements;
3160 u16 chains_needed_per_io;
3161 u32 sz, total_sz, reply_post_free_sz;
3163 u16 max_request_credit;
3164 unsigned short sg_tablesize;
3168 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
3173 facts = &ioc->facts;
3175 /* command line tunables for max sgl entries */
3176 if (max_sgl_entries != -1)
3177 sg_tablesize = max_sgl_entries;
3179 if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
3180 sg_tablesize = MPT2SAS_SG_DEPTH;
3182 sg_tablesize = MPT3SAS_SG_DEPTH;
3185 if (sg_tablesize < MPT_MIN_PHYS_SEGMENTS)
3186 sg_tablesize = MPT_MIN_PHYS_SEGMENTS;
3187 else if (sg_tablesize > MPT_MAX_PHYS_SEGMENTS) {
3188 sg_tablesize = min_t(unsigned short, sg_tablesize,
3189 SCSI_MAX_SG_CHAIN_SEGMENTS);
3191 "sg_tablesize(%u) is bigger than kernel"
3192 " defined SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name,
3193 sg_tablesize, MPT_MAX_PHYS_SEGMENTS);
3195 ioc->shost->sg_tablesize = sg_tablesize;
3197 ioc->hi_priority_depth = facts->HighPriorityCredit;
3198 ioc->internal_depth = ioc->hi_priority_depth + (5);
3199 /* command line tunables for max controller queue depth */
3200 if (max_queue_depth != -1 && max_queue_depth != 0) {
3201 max_request_credit = min_t(u16, max_queue_depth +
3202 ioc->hi_priority_depth + ioc->internal_depth,
3203 facts->RequestCredit);
3204 if (max_request_credit > MAX_HBA_QUEUE_DEPTH)
3205 max_request_credit = MAX_HBA_QUEUE_DEPTH;
3207 max_request_credit = min_t(u16, facts->RequestCredit,
3208 MAX_HBA_QUEUE_DEPTH);
3210 ioc->hba_queue_depth = max_request_credit;
3212 /* request frame size */
3213 ioc->request_sz = facts->IOCRequestFrameSize * 4;
3215 /* reply frame size */
3216 ioc->reply_sz = facts->ReplyFrameSize * 4;
3218 /* calculate the max scatter element size */
3219 sge_size = max_t(u16, ioc->sge_size, ioc->sge_size_ieee);
3223 /* calculate number of sg elements left over in the 1st frame */
3224 max_sge_elements = ioc->request_sz - ((sizeof(Mpi2SCSIIORequest_t) -
3225 sizeof(Mpi2SGEIOUnion_t)) + sge_size);
3226 ioc->max_sges_in_main_message = max_sge_elements/sge_size;
3228 /* now do the same for a chain buffer */
3229 max_sge_elements = ioc->request_sz - sge_size;
3230 ioc->max_sges_in_chain_message = max_sge_elements/sge_size;
3233 * MPT3SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE
3235 chains_needed_per_io = ((ioc->shost->sg_tablesize -
3236 ioc->max_sges_in_main_message)/ioc->max_sges_in_chain_message)
3238 if (chains_needed_per_io > facts->MaxChainDepth) {
3239 chains_needed_per_io = facts->MaxChainDepth;
3240 ioc->shost->sg_tablesize = min_t(u16,
3241 ioc->max_sges_in_main_message + (ioc->max_sges_in_chain_message
3242 * chains_needed_per_io), ioc->shost->sg_tablesize);
3244 ioc->chains_needed_per_io = chains_needed_per_io;
3246 /* reply free queue sizing - taking into account for 64 FW events */
3247 ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
3249 /* calculate reply descriptor post queue depth */
3250 ioc->reply_post_queue_depth = ioc->hba_queue_depth +
3251 ioc->reply_free_queue_depth + 1 ;
3252 /* align the reply post queue on the next 16 count boundary */
3253 if (ioc->reply_post_queue_depth % 16)
3254 ioc->reply_post_queue_depth += 16 -
3255 (ioc->reply_post_queue_depth % 16);
3258 if (ioc->reply_post_queue_depth >
3259 facts->MaxReplyDescriptorPostQueueDepth) {
3260 ioc->reply_post_queue_depth =
3261 facts->MaxReplyDescriptorPostQueueDepth -
3262 (facts->MaxReplyDescriptorPostQueueDepth % 16);
3263 ioc->hba_queue_depth =
3264 ((ioc->reply_post_queue_depth - 64) / 2) - 1;
3265 ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64;
3268 dinitprintk(ioc, pr_info(MPT3SAS_FMT "scatter gather: " \
3269 "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), "
3270 "chains_per_io(%d)\n", ioc->name, ioc->max_sges_in_main_message,
3271 ioc->max_sges_in_chain_message, ioc->shost->sg_tablesize,
3272 ioc->chains_needed_per_io));
3274 /* reply post queue, 16 byte align */
3275 reply_post_free_sz = ioc->reply_post_queue_depth *
3276 sizeof(Mpi2DefaultReplyDescriptor_t);
3278 sz = reply_post_free_sz;
3279 if (_base_is_controller_msix_enabled(ioc) && !ioc->rdpq_array_enable)
3280 sz *= ioc->reply_queue_count;
3282 ioc->reply_post = kcalloc((ioc->rdpq_array_enable) ?
3283 (ioc->reply_queue_count):1,
3284 sizeof(struct reply_post_struct), GFP_KERNEL);
3286 if (!ioc->reply_post) {
3287 pr_err(MPT3SAS_FMT "reply_post_free pool: kcalloc failed\n",
3291 ioc->reply_post_free_dma_pool = pci_pool_create("reply_post_free pool",
3292 ioc->pdev, sz, 16, 0);
3293 if (!ioc->reply_post_free_dma_pool) {
3295 "reply_post_free pool: pci_pool_create failed\n",
3301 ioc->reply_post[i].reply_post_free =
3302 pci_pool_alloc(ioc->reply_post_free_dma_pool,
3304 &ioc->reply_post[i].reply_post_free_dma);
3305 if (!ioc->reply_post[i].reply_post_free) {
3307 "reply_post_free pool: pci_pool_alloc failed\n",
3311 memset(ioc->reply_post[i].reply_post_free, 0, sz);
3312 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3313 "reply post free pool (0x%p): depth(%d),"
3314 "element_size(%d), pool_size(%d kB)\n", ioc->name,
3315 ioc->reply_post[i].reply_post_free,
3316 ioc->reply_post_queue_depth, 8, sz/1024));
3317 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3318 "reply_post_free_dma = (0x%llx)\n", ioc->name,
3319 (unsigned long long)
3320 ioc->reply_post[i].reply_post_free_dma));
3322 } while (ioc->rdpq_array_enable && (++i < ioc->reply_queue_count));
3324 if (ioc->dma_mask == 64) {
3325 if (_base_change_consistent_dma_mask(ioc, ioc->pdev) != 0) {
3327 "no suitable consistent DMA mask for %s\n",
3328 ioc->name, pci_name(ioc->pdev));
3333 ioc->scsiio_depth = ioc->hba_queue_depth -
3334 ioc->hi_priority_depth - ioc->internal_depth;
3336 /* set the scsi host can_queue depth
3337 * with some internal commands that could be outstanding
3339 ioc->shost->can_queue = ioc->scsiio_depth;
3340 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3341 "scsi host: can_queue depth (%d)\n",
3342 ioc->name, ioc->shost->can_queue));
3345 /* contiguous pool for request and chains, 16 byte align, one extra "
3348 ioc->chain_depth = ioc->chains_needed_per_io * ioc->scsiio_depth;
3349 sz = ((ioc->scsiio_depth + 1) * ioc->request_sz);
3351 /* hi-priority queue */
3352 sz += (ioc->hi_priority_depth * ioc->request_sz);
3354 /* internal queue */
3355 sz += (ioc->internal_depth * ioc->request_sz);
3357 ioc->request_dma_sz = sz;
3358 ioc->request = pci_alloc_consistent(ioc->pdev, sz, &ioc->request_dma);
3359 if (!ioc->request) {
3360 pr_err(MPT3SAS_FMT "request pool: pci_alloc_consistent " \
3361 "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
3362 "total(%d kB)\n", ioc->name, ioc->hba_queue_depth,
3363 ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
3364 if (ioc->scsiio_depth < MPT3SAS_SAS_QUEUE_DEPTH)
3367 ioc->hba_queue_depth = max_request_credit - retry_sz;
3368 goto retry_allocation;
3372 pr_err(MPT3SAS_FMT "request pool: pci_alloc_consistent " \
3373 "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
3374 "total(%d kb)\n", ioc->name, ioc->hba_queue_depth,
3375 ioc->chains_needed_per_io, ioc->request_sz, sz/1024);
3377 /* hi-priority queue */
3378 ioc->hi_priority = ioc->request + ((ioc->scsiio_depth + 1) *
3380 ioc->hi_priority_dma = ioc->request_dma + ((ioc->scsiio_depth + 1) *
3383 /* internal queue */
3384 ioc->internal = ioc->hi_priority + (ioc->hi_priority_depth *
3386 ioc->internal_dma = ioc->hi_priority_dma + (ioc->hi_priority_depth *
3389 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3390 "request pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB)\n",
3391 ioc->name, ioc->request, ioc->hba_queue_depth, ioc->request_sz,
3392 (ioc->hba_queue_depth * ioc->request_sz)/1024));
3394 dinitprintk(ioc, pr_info(MPT3SAS_FMT "request pool: dma(0x%llx)\n",
3395 ioc->name, (unsigned long long) ioc->request_dma));
3398 sz = ioc->scsiio_depth * sizeof(struct scsiio_tracker);
3399 ioc->scsi_lookup_pages = get_order(sz);
3400 ioc->scsi_lookup = (struct scsiio_tracker *)__get_free_pages(
3401 GFP_KERNEL, ioc->scsi_lookup_pages);
3402 if (!ioc->scsi_lookup) {
3403 pr_err(MPT3SAS_FMT "scsi_lookup: get_free_pages failed, sz(%d)\n",
3404 ioc->name, (int)sz);
3408 dinitprintk(ioc, pr_info(MPT3SAS_FMT "scsiio(0x%p): depth(%d)\n",
3409 ioc->name, ioc->request, ioc->scsiio_depth));
3411 ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH);
3412 sz = ioc->chain_depth * sizeof(struct chain_tracker);
3413 ioc->chain_pages = get_order(sz);
3414 ioc->chain_lookup = (struct chain_tracker *)__get_free_pages(
3415 GFP_KERNEL, ioc->chain_pages);
3416 if (!ioc->chain_lookup) {
3417 pr_err(MPT3SAS_FMT "chain_lookup: __get_free_pages failed\n",
3421 ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev,
3422 ioc->request_sz, 16, 0);
3423 if (!ioc->chain_dma_pool) {
3424 pr_err(MPT3SAS_FMT "chain_dma_pool: pci_pool_create failed\n",
3428 for (i = 0; i < ioc->chain_depth; i++) {
3429 ioc->chain_lookup[i].chain_buffer = pci_pool_alloc(
3430 ioc->chain_dma_pool , GFP_KERNEL,
3431 &ioc->chain_lookup[i].chain_buffer_dma);
3432 if (!ioc->chain_lookup[i].chain_buffer) {
3433 ioc->chain_depth = i;
3436 total_sz += ioc->request_sz;
3439 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3440 "chain pool depth(%d), frame_size(%d), pool_size(%d kB)\n",
3441 ioc->name, ioc->chain_depth, ioc->request_sz,
3442 ((ioc->chain_depth * ioc->request_sz))/1024));
3444 /* initialize hi-priority queue smid's */
3445 ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth,
3446 sizeof(struct request_tracker), GFP_KERNEL);
3447 if (!ioc->hpr_lookup) {
3448 pr_err(MPT3SAS_FMT "hpr_lookup: kcalloc failed\n",
3452 ioc->hi_priority_smid = ioc->scsiio_depth + 1;
3453 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3454 "hi_priority(0x%p): depth(%d), start smid(%d)\n",
3455 ioc->name, ioc->hi_priority,
3456 ioc->hi_priority_depth, ioc->hi_priority_smid));
3458 /* initialize internal queue smid's */
3459 ioc->internal_lookup = kcalloc(ioc->internal_depth,
3460 sizeof(struct request_tracker), GFP_KERNEL);
3461 if (!ioc->internal_lookup) {
3462 pr_err(MPT3SAS_FMT "internal_lookup: kcalloc failed\n",
3466 ioc->internal_smid = ioc->hi_priority_smid + ioc->hi_priority_depth;
3467 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3468 "internal(0x%p): depth(%d), start smid(%d)\n",
3469 ioc->name, ioc->internal,
3470 ioc->internal_depth, ioc->internal_smid));
3472 /* sense buffers, 4 byte align */
3473 sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE;
3474 ioc->sense_dma_pool = pci_pool_create("sense pool", ioc->pdev, sz, 4,
3476 if (!ioc->sense_dma_pool) {
3477 pr_err(MPT3SAS_FMT "sense pool: pci_pool_create failed\n",
3481 ioc->sense = pci_pool_alloc(ioc->sense_dma_pool , GFP_KERNEL,
3484 pr_err(MPT3SAS_FMT "sense pool: pci_pool_alloc failed\n",
3488 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3489 "sense pool(0x%p): depth(%d), element_size(%d), pool_size"
3490 "(%d kB)\n", ioc->name, ioc->sense, ioc->scsiio_depth,
3491 SCSI_SENSE_BUFFERSIZE, sz/1024));
3492 dinitprintk(ioc, pr_info(MPT3SAS_FMT "sense_dma(0x%llx)\n",
3493 ioc->name, (unsigned long long)ioc->sense_dma));
3496 /* reply pool, 4 byte align */
3497 sz = ioc->reply_free_queue_depth * ioc->reply_sz;
3498 ioc->reply_dma_pool = pci_pool_create("reply pool", ioc->pdev, sz, 4,
3500 if (!ioc->reply_dma_pool) {
3501 pr_err(MPT3SAS_FMT "reply pool: pci_pool_create failed\n",
3505 ioc->reply = pci_pool_alloc(ioc->reply_dma_pool , GFP_KERNEL,
3508 pr_err(MPT3SAS_FMT "reply pool: pci_pool_alloc failed\n",
3512 ioc->reply_dma_min_address = (u32)(ioc->reply_dma);
3513 ioc->reply_dma_max_address = (u32)(ioc->reply_dma) + sz;
3514 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3515 "reply pool(0x%p): depth(%d), frame_size(%d), pool_size(%d kB)\n",
3516 ioc->name, ioc->reply,
3517 ioc->reply_free_queue_depth, ioc->reply_sz, sz/1024));
3518 dinitprintk(ioc, pr_info(MPT3SAS_FMT "reply_dma(0x%llx)\n",
3519 ioc->name, (unsigned long long)ioc->reply_dma));
3522 /* reply free queue, 16 byte align */
3523 sz = ioc->reply_free_queue_depth * 4;
3524 ioc->reply_free_dma_pool = pci_pool_create("reply_free pool",
3525 ioc->pdev, sz, 16, 0);
3526 if (!ioc->reply_free_dma_pool) {
3527 pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_create failed\n",
3531 ioc->reply_free = pci_pool_alloc(ioc->reply_free_dma_pool , GFP_KERNEL,
3532 &ioc->reply_free_dma);
3533 if (!ioc->reply_free) {
3534 pr_err(MPT3SAS_FMT "reply_free pool: pci_pool_alloc failed\n",
3538 memset(ioc->reply_free, 0, sz);
3539 dinitprintk(ioc, pr_info(MPT3SAS_FMT "reply_free pool(0x%p): " \
3540 "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc->name,
3541 ioc->reply_free, ioc->reply_free_queue_depth, 4, sz/1024));
3542 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3543 "reply_free_dma (0x%llx)\n",
3544 ioc->name, (unsigned long long)ioc->reply_free_dma));
3547 ioc->config_page_sz = 512;
3548 ioc->config_page = pci_alloc_consistent(ioc->pdev,
3549 ioc->config_page_sz, &ioc->config_page_dma);
3550 if (!ioc->config_page) {
3552 "config page: pci_pool_alloc failed\n",
3556 dinitprintk(ioc, pr_info(MPT3SAS_FMT
3557 "config page(0x%p): size(%d)\n",
3558 ioc->name, ioc->config_page, ioc->config_page_sz));
3559 dinitprintk(ioc, pr_info(MPT3SAS_FMT "config_page_dma(0x%llx)\n",
3560 ioc->name, (unsigned long long)ioc->config_page_dma));
3561 total_sz += ioc->config_page_sz;
3563 pr_info(MPT3SAS_FMT "Allocated physical memory: size(%d kB)\n",
3564 ioc->name, total_sz/1024);
3566 "Current Controller Queue Depth(%d),Max Controller Queue Depth(%d)\n",
3567 ioc->name, ioc->shost->can_queue, facts->RequestCredit);
3568 pr_info(MPT3SAS_FMT "Scatter Gather Elements per IO(%d)\n",
3569 ioc->name, ioc->shost->sg_tablesize);
3577 * mpt3sas_base_get_iocstate - Get the current state of a MPT adapter.
3578 * @ioc: Pointer to MPT_ADAPTER structure
3579 * @cooked: Request raw or cooked IOC state
3581 * Returns all IOC Doorbell register bits if cooked==0, else just the
3582 * Doorbell bits in MPI_IOC_STATE_MASK.
3585 mpt3sas_base_get_iocstate(struct MPT3SAS_ADAPTER *ioc, int cooked)
3589 s = readl(&ioc->chip->Doorbell);
3590 sc = s & MPI2_IOC_STATE_MASK;
3591 return cooked ? sc : s;
3595 * _base_wait_on_iocstate - waiting on a particular ioc state
3596 * @ioc_state: controller state { READY, OPERATIONAL, or RESET }
3597 * @timeout: timeout in second
3598 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3600 * Returns 0 for success, non-zero for failure.
3603 _base_wait_on_iocstate(struct MPT3SAS_ADAPTER *ioc, u32 ioc_state, int timeout,
3610 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
3612 current_state = mpt3sas_base_get_iocstate(ioc, 1);
3613 if (current_state == ioc_state)
3615 if (count && current_state == MPI2_IOC_STATE_FAULT)
3617 if (sleep_flag == CAN_SLEEP)
3618 usleep_range(1000, 1500);
3624 return current_state;
3628 * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by
3629 * a write to the doorbell)
3630 * @ioc: per adapter object
3631 * @timeout: timeout in second
3632 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3634 * Returns 0 for success, non-zero for failure.
3636 * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell.
3639 _base_diag_reset(struct MPT3SAS_ADAPTER *ioc, int sleep_flag);
3642 _base_wait_for_doorbell_int(struct MPT3SAS_ADAPTER *ioc, int timeout,
3649 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
3651 int_status = readl(&ioc->chip->HostInterruptStatus);
3652 if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
3653 dhsprintk(ioc, pr_info(MPT3SAS_FMT
3654 "%s: successful count(%d), timeout(%d)\n",
3655 ioc->name, __func__, count, timeout));
3658 if (sleep_flag == CAN_SLEEP)
3659 usleep_range(1000, 1500);
3666 "%s: failed due to timeout count(%d), int_status(%x)!\n",
3667 ioc->name, __func__, count, int_status);
3672 * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell.
3673 * @ioc: per adapter object
3674 * @timeout: timeout in second
3675 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3677 * Returns 0 for success, non-zero for failure.
3679 * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to
3683 _base_wait_for_doorbell_ack(struct MPT3SAS_ADAPTER *ioc, int timeout,
3691 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
3693 int_status = readl(&ioc->chip->HostInterruptStatus);
3694 if (!(int_status & MPI2_HIS_SYS2IOC_DB_STATUS)) {
3695 dhsprintk(ioc, pr_info(MPT3SAS_FMT
3696 "%s: successful count(%d), timeout(%d)\n",
3697 ioc->name, __func__, count, timeout));
3699 } else if (int_status & MPI2_HIS_IOC2SYS_DB_STATUS) {
3700 doorbell = readl(&ioc->chip->Doorbell);
3701 if ((doorbell & MPI2_IOC_STATE_MASK) ==
3702 MPI2_IOC_STATE_FAULT) {
3703 mpt3sas_base_fault_info(ioc , doorbell);
3706 } else if (int_status == 0xFFFFFFFF)
3709 if (sleep_flag == CAN_SLEEP)
3710 usleep_range(1000, 1500);
3718 "%s: failed due to timeout count(%d), int_status(%x)!\n",
3719 ioc->name, __func__, count, int_status);
3724 * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use
3725 * @ioc: per adapter object
3726 * @timeout: timeout in second
3727 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3729 * Returns 0 for success, non-zero for failure.
3733 _base_wait_for_doorbell_not_used(struct MPT3SAS_ADAPTER *ioc, int timeout,
3740 cntdn = (sleep_flag == CAN_SLEEP) ? 1000*timeout : 2000*timeout;
3742 doorbell_reg = readl(&ioc->chip->Doorbell);
3743 if (!(doorbell_reg & MPI2_DOORBELL_USED)) {
3744 dhsprintk(ioc, pr_info(MPT3SAS_FMT
3745 "%s: successful count(%d), timeout(%d)\n",
3746 ioc->name, __func__, count, timeout));
3749 if (sleep_flag == CAN_SLEEP)
3750 usleep_range(1000, 1500);
3757 "%s: failed due to timeout count(%d), doorbell_reg(%x)!\n",
3758 ioc->name, __func__, count, doorbell_reg);
3763 * _base_send_ioc_reset - send doorbell reset
3764 * @ioc: per adapter object
3765 * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
3766 * @timeout: timeout in second
3767 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3769 * Returns 0 for success, non-zero for failure.
3772 _base_send_ioc_reset(struct MPT3SAS_ADAPTER *ioc, u8 reset_type, int timeout,
3778 if (reset_type != MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET) {
3779 pr_err(MPT3SAS_FMT "%s: unknown reset_type\n",
3780 ioc->name, __func__);
3784 if (!(ioc->facts.IOCCapabilities &
3785 MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY))
3788 pr_info(MPT3SAS_FMT "sending message unit reset !!\n", ioc->name);
3790 writel(reset_type << MPI2_DOORBELL_FUNCTION_SHIFT,
3791 &ioc->chip->Doorbell);
3792 if ((_base_wait_for_doorbell_ack(ioc, 15, sleep_flag))) {
3796 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY,
3797 timeout, sleep_flag);
3800 "%s: failed going to ready state (ioc_state=0x%x)\n",
3801 ioc->name, __func__, ioc_state);
3806 pr_info(MPT3SAS_FMT "message unit reset: %s\n",
3807 ioc->name, ((r == 0) ? "SUCCESS" : "FAILED"));
3812 * _base_handshake_req_reply_wait - send request thru doorbell interface
3813 * @ioc: per adapter object
3814 * @request_bytes: request length
3815 * @request: pointer having request payload
3816 * @reply_bytes: reply length
3817 * @reply: pointer to reply payload
3818 * @timeout: timeout in second
3819 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3821 * Returns 0 for success, non-zero for failure.
3824 _base_handshake_req_reply_wait(struct MPT3SAS_ADAPTER *ioc, int request_bytes,
3825 u32 *request, int reply_bytes, u16 *reply, int timeout, int sleep_flag)
3827 MPI2DefaultReply_t *default_reply = (MPI2DefaultReply_t *)reply;
3833 /* make sure doorbell is not in use */
3834 if ((readl(&ioc->chip->Doorbell) & MPI2_DOORBELL_USED)) {
3836 "doorbell is in use (line=%d)\n",
3837 ioc->name, __LINE__);
3841 /* clear pending doorbell interrupts from previous state changes */
3842 if (readl(&ioc->chip->HostInterruptStatus) &
3843 MPI2_HIS_IOC2SYS_DB_STATUS)
3844 writel(0, &ioc->chip->HostInterruptStatus);
3846 /* send message to ioc */
3847 writel(((MPI2_FUNCTION_HANDSHAKE<<MPI2_DOORBELL_FUNCTION_SHIFT) |
3848 ((request_bytes/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT)),
3849 &ioc->chip->Doorbell);
3851 if ((_base_wait_for_doorbell_int(ioc, 5, NO_SLEEP))) {
3853 "doorbell handshake int failed (line=%d)\n",
3854 ioc->name, __LINE__);
3857 writel(0, &ioc->chip->HostInterruptStatus);
3859 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag))) {
3861 "doorbell handshake ack failed (line=%d)\n",
3862 ioc->name, __LINE__);
3866 /* send message 32-bits at a time */
3867 for (i = 0, failed = 0; i < request_bytes/4 && !failed; i++) {
3868 writel(cpu_to_le32(request[i]), &ioc->chip->Doorbell);
3869 if ((_base_wait_for_doorbell_ack(ioc, 5, sleep_flag)))
3875 "doorbell handshake sending request failed (line=%d)\n",
3876 ioc->name, __LINE__);
3880 /* now wait for the reply */
3881 if ((_base_wait_for_doorbell_int(ioc, timeout, sleep_flag))) {
3883 "doorbell handshake int failed (line=%d)\n",
3884 ioc->name, __LINE__);
3888 /* read the first two 16-bits, it gives the total length of the reply */
3889 reply[0] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3890 & MPI2_DOORBELL_DATA_MASK);
3891 writel(0, &ioc->chip->HostInterruptStatus);
3892 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
3894 "doorbell handshake int failed (line=%d)\n",
3895 ioc->name, __LINE__);
3898 reply[1] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3899 & MPI2_DOORBELL_DATA_MASK);
3900 writel(0, &ioc->chip->HostInterruptStatus);
3902 for (i = 2; i < default_reply->MsgLength * 2; i++) {
3903 if ((_base_wait_for_doorbell_int(ioc, 5, sleep_flag))) {
3905 "doorbell handshake int failed (line=%d)\n",
3906 ioc->name, __LINE__);
3909 if (i >= reply_bytes/2) /* overflow case */
3910 dummy = readl(&ioc->chip->Doorbell);
3912 reply[i] = le16_to_cpu(readl(&ioc->chip->Doorbell)
3913 & MPI2_DOORBELL_DATA_MASK);
3914 writel(0, &ioc->chip->HostInterruptStatus);
3917 _base_wait_for_doorbell_int(ioc, 5, sleep_flag);
3918 if (_base_wait_for_doorbell_not_used(ioc, 5, sleep_flag) != 0) {
3919 dhsprintk(ioc, pr_info(MPT3SAS_FMT
3920 "doorbell is in use (line=%d)\n", ioc->name, __LINE__));
3922 writel(0, &ioc->chip->HostInterruptStatus);
3924 if (ioc->logging_level & MPT_DEBUG_INIT) {
3925 mfp = (__le32 *)reply;
3926 pr_info("\toffset:data\n");
3927 for (i = 0; i < reply_bytes/4; i++)
3928 pr_info("\t[0x%02x]:%08x\n", i*4,
3929 le32_to_cpu(mfp[i]));
3935 * mpt3sas_base_sas_iounit_control - send sas iounit control to FW
3936 * @ioc: per adapter object
3937 * @mpi_reply: the reply payload from FW
3938 * @mpi_request: the request payload sent to FW
3940 * The SAS IO Unit Control Request message allows the host to perform low-level
3941 * operations, such as resets on the PHYs of the IO Unit, also allows the host
3942 * to obtain the IOC assigned device handles for a device if it has other
3943 * identifying information about the device, in addition allows the host to
3944 * remove IOC resources associated with the device.
3946 * Returns 0 for success, non-zero for failure.
3949 mpt3sas_base_sas_iounit_control(struct MPT3SAS_ADAPTER *ioc,
3950 Mpi2SasIoUnitControlReply_t *mpi_reply,
3951 Mpi2SasIoUnitControlRequest_t *mpi_request)
3955 unsigned long timeleft;
3956 bool issue_reset = false;
3959 u16 wait_state_count;
3961 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
3964 mutex_lock(&ioc->base_cmds.mutex);
3966 if (ioc->base_cmds.status != MPT3_CMD_NOT_USED) {
3967 pr_err(MPT3SAS_FMT "%s: base_cmd in use\n",
3968 ioc->name, __func__);
3973 wait_state_count = 0;
3974 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3975 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3976 if (wait_state_count++ == 10) {
3978 "%s: failed due to ioc not operational\n",
3979 ioc->name, __func__);
3984 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3986 "%s: waiting for operational state(count=%d)\n",
3987 ioc->name, __func__, wait_state_count);
3990 smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
3992 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
3993 ioc->name, __func__);
3999 ioc->base_cmds.status = MPT3_CMD_PENDING;
4000 request = mpt3sas_base_get_msg_frame(ioc, smid);
4001 ioc->base_cmds.smid = smid;
4002 memcpy(request, mpi_request, sizeof(Mpi2SasIoUnitControlRequest_t));
4003 if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
4004 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET)
4005 ioc->ioc_link_reset_in_progress = 1;
4006 init_completion(&ioc->base_cmds.done);
4007 mpt3sas_base_put_smid_default(ioc, smid);
4008 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
4009 msecs_to_jiffies(10000));
4010 if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET ||
4011 mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) &&
4012 ioc->ioc_link_reset_in_progress)
4013 ioc->ioc_link_reset_in_progress = 0;
4014 if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
4015 pr_err(MPT3SAS_FMT "%s: timeout\n",
4016 ioc->name, __func__);
4017 _debug_dump_mf(mpi_request,
4018 sizeof(Mpi2SasIoUnitControlRequest_t)/4);
4019 if (!(ioc->base_cmds.status & MPT3_CMD_RESET))
4021 goto issue_host_reset;
4023 if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID)
4024 memcpy(mpi_reply, ioc->base_cmds.reply,
4025 sizeof(Mpi2SasIoUnitControlReply_t));
4027 memset(mpi_reply, 0, sizeof(Mpi2SasIoUnitControlReply_t));
4028 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
4033 mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
4035 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
4038 mutex_unlock(&ioc->base_cmds.mutex);
4043 * mpt3sas_base_scsi_enclosure_processor - sending request to sep device
4044 * @ioc: per adapter object
4045 * @mpi_reply: the reply payload from FW
4046 * @mpi_request: the request payload sent to FW
4048 * The SCSI Enclosure Processor request message causes the IOC to
4049 * communicate with SES devices to control LED status signals.
4051 * Returns 0 for success, non-zero for failure.
4054 mpt3sas_base_scsi_enclosure_processor(struct MPT3SAS_ADAPTER *ioc,
4055 Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request)
4059 unsigned long timeleft;
4060 bool issue_reset = false;
4063 u16 wait_state_count;
4065 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
4068 mutex_lock(&ioc->base_cmds.mutex);
4070 if (ioc->base_cmds.status != MPT3_CMD_NOT_USED) {
4071 pr_err(MPT3SAS_FMT "%s: base_cmd in use\n",
4072 ioc->name, __func__);
4077 wait_state_count = 0;
4078 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
4079 while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
4080 if (wait_state_count++ == 10) {
4082 "%s: failed due to ioc not operational\n",
4083 ioc->name, __func__);
4088 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
4090 "%s: waiting for operational state(count=%d)\n",
4092 __func__, wait_state_count);
4095 smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
4097 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4098 ioc->name, __func__);
4104 ioc->base_cmds.status = MPT3_CMD_PENDING;
4105 request = mpt3sas_base_get_msg_frame(ioc, smid);
4106 ioc->base_cmds.smid = smid;
4107 memcpy(request, mpi_request, sizeof(Mpi2SepReply_t));
4108 init_completion(&ioc->base_cmds.done);
4109 mpt3sas_base_put_smid_default(ioc, smid);
4110 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done,
4111 msecs_to_jiffies(10000));
4112 if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
4113 pr_err(MPT3SAS_FMT "%s: timeout\n",
4114 ioc->name, __func__);
4115 _debug_dump_mf(mpi_request,
4116 sizeof(Mpi2SepRequest_t)/4);
4117 if (!(ioc->base_cmds.status & MPT3_CMD_RESET))
4118 issue_reset = false;
4119 goto issue_host_reset;
4121 if (ioc->base_cmds.status & MPT3_CMD_REPLY_VALID)
4122 memcpy(mpi_reply, ioc->base_cmds.reply,
4123 sizeof(Mpi2SepReply_t));
4125 memset(mpi_reply, 0, sizeof(Mpi2SepReply_t));
4126 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
4131 mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP,
4133 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
4136 mutex_unlock(&ioc->base_cmds.mutex);
4141 * _base_get_port_facts - obtain port facts reply and save in ioc
4142 * @ioc: per adapter object
4143 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4145 * Returns 0 for success, non-zero for failure.
4148 _base_get_port_facts(struct MPT3SAS_ADAPTER *ioc, int port, int sleep_flag)
4150 Mpi2PortFactsRequest_t mpi_request;
4151 Mpi2PortFactsReply_t mpi_reply;
4152 struct mpt3sas_port_facts *pfacts;
4153 int mpi_reply_sz, mpi_request_sz, r;
4155 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
4158 mpi_reply_sz = sizeof(Mpi2PortFactsReply_t);
4159 mpi_request_sz = sizeof(Mpi2PortFactsRequest_t);
4160 memset(&mpi_request, 0, mpi_request_sz);
4161 mpi_request.Function = MPI2_FUNCTION_PORT_FACTS;
4162 mpi_request.PortNumber = port;
4163 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
4164 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
4167 pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n",
4168 ioc->name, __func__, r);
4172 pfacts = &ioc->pfacts[port];
4173 memset(pfacts, 0, sizeof(struct mpt3sas_port_facts));
4174 pfacts->PortNumber = mpi_reply.PortNumber;
4175 pfacts->VP_ID = mpi_reply.VP_ID;
4176 pfacts->VF_ID = mpi_reply.VF_ID;
4177 pfacts->MaxPostedCmdBuffers =
4178 le16_to_cpu(mpi_reply.MaxPostedCmdBuffers);
4184 * _base_wait_for_iocstate - Wait until the card is in READY or OPERATIONAL
4185 * @ioc: per adapter object
4187 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4189 * Returns 0 for success, non-zero for failure.
4192 _base_wait_for_iocstate(struct MPT3SAS_ADAPTER *ioc, int timeout,
4198 dinitprintk(ioc, printk(MPT3SAS_FMT "%s\n", ioc->name,
4201 if (ioc->pci_error_recovery) {
4202 dfailprintk(ioc, printk(MPT3SAS_FMT
4203 "%s: host in pci error recovery\n", ioc->name, __func__));
4207 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
4208 dhsprintk(ioc, printk(MPT3SAS_FMT "%s: ioc_state(0x%08x)\n",
4209 ioc->name, __func__, ioc_state));
4211 if (((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY) ||
4212 (ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
4215 if (ioc_state & MPI2_DOORBELL_USED) {
4216 dhsprintk(ioc, printk(MPT3SAS_FMT
4217 "unexpected doorbell active!\n", ioc->name));
4218 goto issue_diag_reset;
4221 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
4222 mpt3sas_base_fault_info(ioc, ioc_state &
4223 MPI2_DOORBELL_DATA_MASK);
4224 goto issue_diag_reset;
4227 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY,
4228 timeout, sleep_flag);
4230 dfailprintk(ioc, printk(MPT3SAS_FMT
4231 "%s: failed going to ready state (ioc_state=0x%x)\n",
4232 ioc->name, __func__, ioc_state));
4237 rc = _base_diag_reset(ioc, sleep_flag);
4242 * _base_get_ioc_facts - obtain ioc facts reply and save in ioc
4243 * @ioc: per adapter object
4244 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4246 * Returns 0 for success, non-zero for failure.
4249 _base_get_ioc_facts(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
4251 Mpi2IOCFactsRequest_t mpi_request;
4252 Mpi2IOCFactsReply_t mpi_reply;
4253 struct mpt3sas_facts *facts;
4254 int mpi_reply_sz, mpi_request_sz, r;
4256 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
4259 r = _base_wait_for_iocstate(ioc, 10, sleep_flag);
4261 dfailprintk(ioc, printk(MPT3SAS_FMT
4262 "%s: failed getting to correct state\n",
4263 ioc->name, __func__));
4266 mpi_reply_sz = sizeof(Mpi2IOCFactsReply_t);
4267 mpi_request_sz = sizeof(Mpi2IOCFactsRequest_t);
4268 memset(&mpi_request, 0, mpi_request_sz);
4269 mpi_request.Function = MPI2_FUNCTION_IOC_FACTS;
4270 r = _base_handshake_req_reply_wait(ioc, mpi_request_sz,
4271 (u32 *)&mpi_request, mpi_reply_sz, (u16 *)&mpi_reply, 5, CAN_SLEEP);
4274 pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n",
4275 ioc->name, __func__, r);
4279 facts = &ioc->facts;
4280 memset(facts, 0, sizeof(struct mpt3sas_facts));
4281 facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion);
4282 facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion);
4283 facts->VP_ID = mpi_reply.VP_ID;
4284 facts->VF_ID = mpi_reply.VF_ID;
4285 facts->IOCExceptions = le16_to_cpu(mpi_reply.IOCExceptions);
4286 facts->MaxChainDepth = mpi_reply.MaxChainDepth;
4287 facts->WhoInit = mpi_reply.WhoInit;
4288 facts->NumberOfPorts = mpi_reply.NumberOfPorts;
4289 facts->MaxMSIxVectors = mpi_reply.MaxMSIxVectors;
4290 facts->RequestCredit = le16_to_cpu(mpi_reply.RequestCredit);
4291 facts->MaxReplyDescriptorPostQueueDepth =
4292 le16_to_cpu(mpi_reply.MaxReplyDescriptorPostQueueDepth);
4293 facts->ProductID = le16_to_cpu(mpi_reply.ProductID);
4294 facts->IOCCapabilities = le32_to_cpu(mpi_reply.IOCCapabilities);
4295 if ((facts->IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID))
4296 ioc->ir_firmware = 1;
4297 if ((facts->IOCCapabilities &
4298 MPI2_IOCFACTS_CAPABILITY_RDPQ_ARRAY_CAPABLE))
4299 ioc->rdpq_array_capable = 1;
4300 facts->FWVersion.Word = le32_to_cpu(mpi_reply.FWVersion.Word);
4301 facts->IOCRequestFrameSize =
4302 le16_to_cpu(mpi_reply.IOCRequestFrameSize);
4303 facts->MaxInitiators = le16_to_cpu(mpi_reply.MaxInitiators);
4304 facts->MaxTargets = le16_to_cpu(mpi_reply.MaxTargets);
4305 ioc->shost->max_id = -1;
4306 facts->MaxSasExpanders = le16_to_cpu(mpi_reply.MaxSasExpanders);
4307 facts->MaxEnclosures = le16_to_cpu(mpi_reply.MaxEnclosures);
4308 facts->ProtocolFlags = le16_to_cpu(mpi_reply.ProtocolFlags);
4309 facts->HighPriorityCredit =
4310 le16_to_cpu(mpi_reply.HighPriorityCredit);
4311 facts->ReplyFrameSize = mpi_reply.ReplyFrameSize;
4312 facts->MaxDevHandle = le16_to_cpu(mpi_reply.MaxDevHandle);
4314 dinitprintk(ioc, pr_info(MPT3SAS_FMT
4315 "hba queue depth(%d), max chains per io(%d)\n",
4316 ioc->name, facts->RequestCredit,
4317 facts->MaxChainDepth));
4318 dinitprintk(ioc, pr_info(MPT3SAS_FMT
4319 "request frame size(%d), reply frame size(%d)\n", ioc->name,
4320 facts->IOCRequestFrameSize * 4, facts->ReplyFrameSize * 4));
4325 * _base_send_ioc_init - send ioc_init to firmware
4326 * @ioc: per adapter object
4327 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4329 * Returns 0 for success, non-zero for failure.
4332 _base_send_ioc_init(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
4334 Mpi2IOCInitRequest_t mpi_request;
4335 Mpi2IOCInitReply_t mpi_reply;
4337 struct timeval current_time;
4339 u32 reply_post_free_array_sz = 0;
4340 Mpi2IOCInitRDPQArrayEntry *reply_post_free_array = NULL;
4341 dma_addr_t reply_post_free_array_dma;
4343 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
4346 memset(&mpi_request, 0, sizeof(Mpi2IOCInitRequest_t));
4347 mpi_request.Function = MPI2_FUNCTION_IOC_INIT;
4348 mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER;
4349 mpi_request.VF_ID = 0; /* TODO */
4350 mpi_request.VP_ID = 0;
4351 mpi_request.MsgVersion = cpu_to_le16(ioc->hba_mpi_version_belonged);
4352 mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION);
4354 if (_base_is_controller_msix_enabled(ioc))
4355 mpi_request.HostMSIxVectors = ioc->reply_queue_count;
4356 mpi_request.SystemRequestFrameSize = cpu_to_le16(ioc->request_sz/4);
4357 mpi_request.ReplyDescriptorPostQueueDepth =
4358 cpu_to_le16(ioc->reply_post_queue_depth);
4359 mpi_request.ReplyFreeQueueDepth =
4360 cpu_to_le16(ioc->reply_free_queue_depth);
4362 mpi_request.SenseBufferAddressHigh =
4363 cpu_to_le32((u64)ioc->sense_dma >> 32);
4364 mpi_request.SystemReplyAddressHigh =
4365 cpu_to_le32((u64)ioc->reply_dma >> 32);
4366 mpi_request.SystemRequestFrameBaseAddress =
4367 cpu_to_le64((u64)ioc->request_dma);
4368 mpi_request.ReplyFreeQueueAddress =
4369 cpu_to_le64((u64)ioc->reply_free_dma);
4371 if (ioc->rdpq_array_enable) {
4372 reply_post_free_array_sz = ioc->reply_queue_count *
4373 sizeof(Mpi2IOCInitRDPQArrayEntry);
4374 reply_post_free_array = pci_alloc_consistent(ioc->pdev,
4375 reply_post_free_array_sz, &reply_post_free_array_dma);
4376 if (!reply_post_free_array) {
4378 "reply_post_free_array: pci_alloc_consistent failed\n",
4383 memset(reply_post_free_array, 0, reply_post_free_array_sz);
4384 for (i = 0; i < ioc->reply_queue_count; i++)
4385 reply_post_free_array[i].RDPQBaseAddress =
4387 (u64)ioc->reply_post[i].reply_post_free_dma);
4388 mpi_request.MsgFlags = MPI2_IOCINIT_MSGFLAG_RDPQ_ARRAY_MODE;
4389 mpi_request.ReplyDescriptorPostQueueAddress =
4390 cpu_to_le64((u64)reply_post_free_array_dma);
4392 mpi_request.ReplyDescriptorPostQueueAddress =
4393 cpu_to_le64((u64)ioc->reply_post[0].reply_post_free_dma);
4396 /* This time stamp specifies number of milliseconds
4397 * since epoch ~ midnight January 1, 1970.
4399 do_gettimeofday(¤t_time);
4400 mpi_request.TimeStamp = cpu_to_le64((u64)current_time.tv_sec * 1000 +
4401 (current_time.tv_usec / 1000));
4403 if (ioc->logging_level & MPT_DEBUG_INIT) {
4407 mfp = (__le32 *)&mpi_request;
4408 pr_info("\toffset:data\n");
4409 for (i = 0; i < sizeof(Mpi2IOCInitRequest_t)/4; i++)
4410 pr_info("\t[0x%02x]:%08x\n", i*4,
4411 le32_to_cpu(mfp[i]));
4414 r = _base_handshake_req_reply_wait(ioc,
4415 sizeof(Mpi2IOCInitRequest_t), (u32 *)&mpi_request,
4416 sizeof(Mpi2IOCInitReply_t), (u16 *)&mpi_reply, 10,
4420 pr_err(MPT3SAS_FMT "%s: handshake failed (r=%d)\n",
4421 ioc->name, __func__, r);
4425 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4426 if (ioc_status != MPI2_IOCSTATUS_SUCCESS ||
4427 mpi_reply.IOCLogInfo) {
4428 pr_err(MPT3SAS_FMT "%s: failed\n", ioc->name, __func__);
4433 if (reply_post_free_array)
4434 pci_free_consistent(ioc->pdev, reply_post_free_array_sz,
4435 reply_post_free_array,
4436 reply_post_free_array_dma);
4441 * mpt3sas_port_enable_done - command completion routine for port enable
4442 * @ioc: per adapter object
4443 * @smid: system request message index
4444 * @msix_index: MSIX table index supplied by the OS
4445 * @reply: reply message frame(lower 32bit addr)
4447 * Return 1 meaning mf should be freed from _base_interrupt
4448 * 0 means the mf is freed from this function.
4451 mpt3sas_port_enable_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
4454 MPI2DefaultReply_t *mpi_reply;
4457 if (ioc->port_enable_cmds.status == MPT3_CMD_NOT_USED)
4460 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
4464 if (mpi_reply->Function != MPI2_FUNCTION_PORT_ENABLE)
4467 ioc->port_enable_cmds.status &= ~MPT3_CMD_PENDING;
4468 ioc->port_enable_cmds.status |= MPT3_CMD_COMPLETE;
4469 ioc->port_enable_cmds.status |= MPT3_CMD_REPLY_VALID;
4470 memcpy(ioc->port_enable_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
4471 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
4472 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4473 ioc->port_enable_failed = 1;
4475 if (ioc->is_driver_loading) {
4476 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
4477 mpt3sas_port_enable_complete(ioc);
4480 ioc->start_scan_failed = ioc_status;
4481 ioc->start_scan = 0;
4485 complete(&ioc->port_enable_cmds.done);
4490 * _base_send_port_enable - send port_enable(discovery stuff) to firmware
4491 * @ioc: per adapter object
4492 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4494 * Returns 0 for success, non-zero for failure.
4497 _base_send_port_enable(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
4499 Mpi2PortEnableRequest_t *mpi_request;
4500 Mpi2PortEnableReply_t *mpi_reply;
4501 unsigned long timeleft;
4506 pr_info(MPT3SAS_FMT "sending port enable !!\n", ioc->name);
4508 if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
4509 pr_err(MPT3SAS_FMT "%s: internal command already in use\n",
4510 ioc->name, __func__);
4514 smid = mpt3sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
4516 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4517 ioc->name, __func__);
4521 ioc->port_enable_cmds.status = MPT3_CMD_PENDING;
4522 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4523 ioc->port_enable_cmds.smid = smid;
4524 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
4525 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
4527 init_completion(&ioc->port_enable_cmds.done);
4528 mpt3sas_base_put_smid_default(ioc, smid);
4529 timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done,
4531 if (!(ioc->port_enable_cmds.status & MPT3_CMD_COMPLETE)) {
4532 pr_err(MPT3SAS_FMT "%s: timeout\n",
4533 ioc->name, __func__);
4534 _debug_dump_mf(mpi_request,
4535 sizeof(Mpi2PortEnableRequest_t)/4);
4536 if (ioc->port_enable_cmds.status & MPT3_CMD_RESET)
4543 mpi_reply = ioc->port_enable_cmds.reply;
4544 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
4545 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4546 pr_err(MPT3SAS_FMT "%s: failed with (ioc_status=0x%08x)\n",
4547 ioc->name, __func__, ioc_status);
4553 ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
4554 pr_info(MPT3SAS_FMT "port enable: %s\n", ioc->name, ((r == 0) ?
4555 "SUCCESS" : "FAILED"));
4560 * mpt3sas_port_enable - initiate firmware discovery (don't wait for reply)
4561 * @ioc: per adapter object
4563 * Returns 0 for success, non-zero for failure.
4566 mpt3sas_port_enable(struct MPT3SAS_ADAPTER *ioc)
4568 Mpi2PortEnableRequest_t *mpi_request;
4571 pr_info(MPT3SAS_FMT "sending port enable !!\n", ioc->name);
4573 if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
4574 pr_err(MPT3SAS_FMT "%s: internal command already in use\n",
4575 ioc->name, __func__);
4579 smid = mpt3sas_base_get_smid(ioc, ioc->port_enable_cb_idx);
4581 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4582 ioc->name, __func__);
4586 ioc->port_enable_cmds.status = MPT3_CMD_PENDING;
4587 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4588 ioc->port_enable_cmds.smid = smid;
4589 memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t));
4590 mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE;
4592 mpt3sas_base_put_smid_default(ioc, smid);
4597 * _base_determine_wait_on_discovery - desposition
4598 * @ioc: per adapter object
4600 * Decide whether to wait on discovery to complete. Used to either
4601 * locate boot device, or report volumes ahead of physical devices.
4603 * Returns 1 for wait, 0 for don't wait
4606 _base_determine_wait_on_discovery(struct MPT3SAS_ADAPTER *ioc)
4608 /* We wait for discovery to complete if IR firmware is loaded.
4609 * The sas topology events arrive before PD events, so we need time to
4610 * turn on the bit in ioc->pd_handles to indicate PD
4611 * Also, it maybe required to report Volumes ahead of physical
4612 * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set.
4614 if (ioc->ir_firmware)
4617 /* if no Bios, then we don't need to wait */
4618 if (!ioc->bios_pg3.BiosVersion)
4621 /* Bios is present, then we drop down here.
4623 * If there any entries in the Bios Page 2, then we wait
4624 * for discovery to complete.
4627 /* Current Boot Device */
4628 if ((ioc->bios_pg2.CurrentBootDeviceForm &
4629 MPI2_BIOSPAGE2_FORM_MASK) ==
4630 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
4631 /* Request Boot Device */
4632 (ioc->bios_pg2.ReqBootDeviceForm &
4633 MPI2_BIOSPAGE2_FORM_MASK) ==
4634 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED &&
4635 /* Alternate Request Boot Device */
4636 (ioc->bios_pg2.ReqAltBootDeviceForm &
4637 MPI2_BIOSPAGE2_FORM_MASK) ==
4638 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED)
4645 * _base_unmask_events - turn on notification for this event
4646 * @ioc: per adapter object
4647 * @event: firmware event
4649 * The mask is stored in ioc->event_masks.
4652 _base_unmask_events(struct MPT3SAS_ADAPTER *ioc, u16 event)
4659 desired_event = (1 << (event % 32));
4662 ioc->event_masks[0] &= ~desired_event;
4663 else if (event < 64)
4664 ioc->event_masks[1] &= ~desired_event;
4665 else if (event < 96)
4666 ioc->event_masks[2] &= ~desired_event;
4667 else if (event < 128)
4668 ioc->event_masks[3] &= ~desired_event;
4672 * _base_event_notification - send event notification
4673 * @ioc: per adapter object
4674 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4676 * Returns 0 for success, non-zero for failure.
4679 _base_event_notification(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
4681 Mpi2EventNotificationRequest_t *mpi_request;
4682 unsigned long timeleft;
4687 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
4690 if (ioc->base_cmds.status & MPT3_CMD_PENDING) {
4691 pr_err(MPT3SAS_FMT "%s: internal command already in use\n",
4692 ioc->name, __func__);
4696 smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx);
4698 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4699 ioc->name, __func__);
4702 ioc->base_cmds.status = MPT3_CMD_PENDING;
4703 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4704 ioc->base_cmds.smid = smid;
4705 memset(mpi_request, 0, sizeof(Mpi2EventNotificationRequest_t));
4706 mpi_request->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4707 mpi_request->VF_ID = 0; /* TODO */
4708 mpi_request->VP_ID = 0;
4709 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
4710 mpi_request->EventMasks[i] =
4711 cpu_to_le32(ioc->event_masks[i]);
4712 init_completion(&ioc->base_cmds.done);
4713 mpt3sas_base_put_smid_default(ioc, smid);
4714 timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ);
4715 if (!(ioc->base_cmds.status & MPT3_CMD_COMPLETE)) {
4716 pr_err(MPT3SAS_FMT "%s: timeout\n",
4717 ioc->name, __func__);
4718 _debug_dump_mf(mpi_request,
4719 sizeof(Mpi2EventNotificationRequest_t)/4);
4720 if (ioc->base_cmds.status & MPT3_CMD_RESET)
4725 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s: complete\n",
4726 ioc->name, __func__));
4727 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
4732 * mpt3sas_base_validate_event_type - validating event types
4733 * @ioc: per adapter object
4734 * @event: firmware event
4736 * This will turn on firmware event notification when application
4737 * ask for that event. We don't mask events that are already enabled.
4740 mpt3sas_base_validate_event_type(struct MPT3SAS_ADAPTER *ioc, u32 *event_type)
4743 u32 event_mask, desired_event;
4744 u8 send_update_to_fw;
4746 for (i = 0, send_update_to_fw = 0; i <
4747 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) {
4748 event_mask = ~event_type[i];
4750 for (j = 0; j < 32; j++) {
4751 if (!(event_mask & desired_event) &&
4752 (ioc->event_masks[i] & desired_event)) {
4753 ioc->event_masks[i] &= ~desired_event;
4754 send_update_to_fw = 1;
4756 desired_event = (desired_event << 1);
4760 if (!send_update_to_fw)
4763 mutex_lock(&ioc->base_cmds.mutex);
4764 _base_event_notification(ioc, CAN_SLEEP);
4765 mutex_unlock(&ioc->base_cmds.mutex);
4769 * _base_diag_reset - the "big hammer" start of day reset
4770 * @ioc: per adapter object
4771 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4773 * Returns 0 for success, non-zero for failure.
4776 _base_diag_reset(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
4778 u32 host_diagnostic;
4783 pr_info(MPT3SAS_FMT "sending diag reset !!\n", ioc->name);
4785 drsprintk(ioc, pr_info(MPT3SAS_FMT "clear interrupts\n",
4790 /* Write magic sequence to WriteSequence register
4791 * Loop until in diagnostic mode
4793 drsprintk(ioc, pr_info(MPT3SAS_FMT
4794 "write magic sequence\n", ioc->name));
4795 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
4796 writel(MPI2_WRSEQ_1ST_KEY_VALUE, &ioc->chip->WriteSequence);
4797 writel(MPI2_WRSEQ_2ND_KEY_VALUE, &ioc->chip->WriteSequence);
4798 writel(MPI2_WRSEQ_3RD_KEY_VALUE, &ioc->chip->WriteSequence);
4799 writel(MPI2_WRSEQ_4TH_KEY_VALUE, &ioc->chip->WriteSequence);
4800 writel(MPI2_WRSEQ_5TH_KEY_VALUE, &ioc->chip->WriteSequence);
4801 writel(MPI2_WRSEQ_6TH_KEY_VALUE, &ioc->chip->WriteSequence);
4804 if (sleep_flag == CAN_SLEEP)
4812 host_diagnostic = readl(&ioc->chip->HostDiagnostic);
4813 drsprintk(ioc, pr_info(MPT3SAS_FMT
4814 "wrote magic sequence: count(%d), host_diagnostic(0x%08x)\n",
4815 ioc->name, count, host_diagnostic));
4817 } while ((host_diagnostic & MPI2_DIAG_DIAG_WRITE_ENABLE) == 0);
4819 hcb_size = readl(&ioc->chip->HCBSize);
4821 drsprintk(ioc, pr_info(MPT3SAS_FMT "diag reset: issued\n",
4823 writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER,
4824 &ioc->chip->HostDiagnostic);
4826 /*This delay allows the chip PCIe hardware time to finish reset tasks*/
4827 if (sleep_flag == CAN_SLEEP)
4828 msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000);
4830 mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000);
4832 /* Approximately 300 second max wait */
4833 for (count = 0; count < (300000000 /
4834 MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) {
4836 host_diagnostic = readl(&ioc->chip->HostDiagnostic);
4838 if (host_diagnostic == 0xFFFFFFFF)
4840 if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER))
4843 /* Wait to pass the second read delay window */
4844 if (sleep_flag == CAN_SLEEP)
4845 msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC
4848 mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC
4852 if (host_diagnostic & MPI2_DIAG_HCB_MODE) {
4854 drsprintk(ioc, pr_info(MPT3SAS_FMT
4855 "restart the adapter assuming the HCB Address points to good F/W\n",
4857 host_diagnostic &= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK;
4858 host_diagnostic |= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW;
4859 writel(host_diagnostic, &ioc->chip->HostDiagnostic);
4861 drsprintk(ioc, pr_info(MPT3SAS_FMT
4862 "re-enable the HCDW\n", ioc->name));
4863 writel(hcb_size | MPI2_HCB_SIZE_HCB_ENABLE,
4864 &ioc->chip->HCBSize);
4867 drsprintk(ioc, pr_info(MPT3SAS_FMT "restart the adapter\n",
4869 writel(host_diagnostic & ~MPI2_DIAG_HOLD_IOC_RESET,
4870 &ioc->chip->HostDiagnostic);
4872 drsprintk(ioc, pr_info(MPT3SAS_FMT
4873 "disable writes to the diagnostic register\n", ioc->name));
4874 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE, &ioc->chip->WriteSequence);
4876 drsprintk(ioc, pr_info(MPT3SAS_FMT
4877 "Wait for FW to go to the READY state\n", ioc->name));
4878 ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_READY, 20,
4882 "%s: failed going to ready state (ioc_state=0x%x)\n",
4883 ioc->name, __func__, ioc_state);
4887 pr_info(MPT3SAS_FMT "diag reset: SUCCESS\n", ioc->name);
4891 pr_err(MPT3SAS_FMT "diag reset: FAILED\n", ioc->name);
4896 * _base_make_ioc_ready - put controller in READY state
4897 * @ioc: per adapter object
4898 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4899 * @type: FORCE_BIG_HAMMER or SOFT_RESET
4901 * Returns 0 for success, non-zero for failure.
4904 _base_make_ioc_ready(struct MPT3SAS_ADAPTER *ioc, int sleep_flag,
4905 enum reset_type type)
4911 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
4914 if (ioc->pci_error_recovery)
4917 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
4918 dhsprintk(ioc, pr_info(MPT3SAS_FMT "%s: ioc_state(0x%08x)\n",
4919 ioc->name, __func__, ioc_state));
4921 /* if in RESET state, it should move to READY state shortly */
4923 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_RESET) {
4924 while ((ioc_state & MPI2_IOC_STATE_MASK) !=
4925 MPI2_IOC_STATE_READY) {
4926 if (count++ == 10) {
4928 "%s: failed going to ready state (ioc_state=0x%x)\n",
4929 ioc->name, __func__, ioc_state);
4932 if (sleep_flag == CAN_SLEEP)
4936 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
4940 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_READY)
4943 if (ioc_state & MPI2_DOORBELL_USED) {
4944 dhsprintk(ioc, pr_info(MPT3SAS_FMT
4945 "unexpected doorbell active!\n",
4947 goto issue_diag_reset;
4950 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
4951 mpt3sas_base_fault_info(ioc, ioc_state &
4952 MPI2_DOORBELL_DATA_MASK);
4953 goto issue_diag_reset;
4956 if (type == FORCE_BIG_HAMMER)
4957 goto issue_diag_reset;
4959 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_OPERATIONAL)
4960 if (!(_base_send_ioc_reset(ioc,
4961 MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET, 15, CAN_SLEEP))) {
4966 rc = _base_diag_reset(ioc, CAN_SLEEP);
4971 * _base_make_ioc_operational - put controller in OPERATIONAL state
4972 * @ioc: per adapter object
4973 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4975 * Returns 0 for success, non-zero for failure.
4978 _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
4981 unsigned long flags;
4984 struct _tr_list *delayed_tr, *delayed_tr_next;
4986 struct adapter_reply_queue *reply_q;
4987 long reply_post_free;
4988 u32 reply_post_free_sz, index = 0;
4990 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
4993 /* clean the delayed target reset list */
4994 list_for_each_entry_safe(delayed_tr, delayed_tr_next,
4995 &ioc->delayed_tr_list, list) {
4996 list_del(&delayed_tr->list);
5001 list_for_each_entry_safe(delayed_tr, delayed_tr_next,
5002 &ioc->delayed_tr_volume_list, list) {
5003 list_del(&delayed_tr->list);
5007 /* initialize the scsi lookup free list */
5008 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
5009 INIT_LIST_HEAD(&ioc->free_list);
5011 for (i = 0; i < ioc->scsiio_depth; i++, smid++) {
5012 INIT_LIST_HEAD(&ioc->scsi_lookup[i].chain_list);
5013 ioc->scsi_lookup[i].cb_idx = 0xFF;
5014 ioc->scsi_lookup[i].smid = smid;
5015 ioc->scsi_lookup[i].scmd = NULL;
5016 ioc->scsi_lookup[i].direct_io = 0;
5017 list_add_tail(&ioc->scsi_lookup[i].tracker_list,
5021 /* hi-priority queue */
5022 INIT_LIST_HEAD(&ioc->hpr_free_list);
5023 smid = ioc->hi_priority_smid;
5024 for (i = 0; i < ioc->hi_priority_depth; i++, smid++) {
5025 ioc->hpr_lookup[i].cb_idx = 0xFF;
5026 ioc->hpr_lookup[i].smid = smid;
5027 list_add_tail(&ioc->hpr_lookup[i].tracker_list,
5028 &ioc->hpr_free_list);
5031 /* internal queue */
5032 INIT_LIST_HEAD(&ioc->internal_free_list);
5033 smid = ioc->internal_smid;
5034 for (i = 0; i < ioc->internal_depth; i++, smid++) {
5035 ioc->internal_lookup[i].cb_idx = 0xFF;
5036 ioc->internal_lookup[i].smid = smid;
5037 list_add_tail(&ioc->internal_lookup[i].tracker_list,
5038 &ioc->internal_free_list);
5042 INIT_LIST_HEAD(&ioc->free_chain_list);
5043 for (i = 0; i < ioc->chain_depth; i++)
5044 list_add_tail(&ioc->chain_lookup[i].tracker_list,
5045 &ioc->free_chain_list);
5047 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
5049 /* initialize Reply Free Queue */
5050 for (i = 0, reply_address = (u32)ioc->reply_dma ;
5051 i < ioc->reply_free_queue_depth ; i++, reply_address +=
5053 ioc->reply_free[i] = cpu_to_le32(reply_address);
5055 /* initialize reply queues */
5056 if (ioc->is_driver_loading)
5057 _base_assign_reply_queues(ioc);
5059 /* initialize Reply Post Free Queue */
5060 reply_post_free_sz = ioc->reply_post_queue_depth *
5061 sizeof(Mpi2DefaultReplyDescriptor_t);
5062 reply_post_free = (long)ioc->reply_post[index].reply_post_free;
5063 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
5064 reply_q->reply_post_host_index = 0;
5065 reply_q->reply_post_free = (Mpi2ReplyDescriptorsUnion_t *)
5067 for (i = 0; i < ioc->reply_post_queue_depth; i++)
5068 reply_q->reply_post_free[i].Words =
5069 cpu_to_le64(ULLONG_MAX);
5070 if (!_base_is_controller_msix_enabled(ioc))
5071 goto skip_init_reply_post_free_queue;
5073 * If RDPQ is enabled, switch to the next allocation.
5074 * Otherwise advance within the contiguous region.
5076 if (ioc->rdpq_array_enable)
5077 reply_post_free = (long)
5078 ioc->reply_post[++index].reply_post_free;
5080 reply_post_free += reply_post_free_sz;
5082 skip_init_reply_post_free_queue:
5084 r = _base_send_ioc_init(ioc, sleep_flag);
5088 /* initialize reply free host index */
5089 ioc->reply_free_host_index = ioc->reply_free_queue_depth - 1;
5090 writel(ioc->reply_free_host_index, &ioc->chip->ReplyFreeHostIndex);
5092 /* initialize reply post host index */
5093 list_for_each_entry(reply_q, &ioc->reply_queue_list, list) {
5094 if (ioc->msix96_vector)
5095 writel((reply_q->msix_index & 7)<<
5096 MPI2_RPHI_MSIX_INDEX_SHIFT,
5097 ioc->replyPostRegisterIndex[reply_q->msix_index/8]);
5099 writel(reply_q->msix_index <<
5100 MPI2_RPHI_MSIX_INDEX_SHIFT,
5101 &ioc->chip->ReplyPostHostIndex);
5103 if (!_base_is_controller_msix_enabled(ioc))
5104 goto skip_init_reply_post_host_index;
5107 skip_init_reply_post_host_index:
5109 _base_unmask_interrupts(ioc);
5110 r = _base_event_notification(ioc, sleep_flag);
5114 if (sleep_flag == CAN_SLEEP)
5115 _base_static_config_pages(ioc);
5118 if (ioc->is_driver_loading) {
5120 if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier
5123 le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) &
5124 MFG_PAGE10_HIDE_SSDS_MASK);
5125 if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK)
5126 ioc->mfg_pg10_hide_flag = hide_flag;
5129 ioc->wait_for_discovery_to_complete =
5130 _base_determine_wait_on_discovery(ioc);
5132 return r; /* scan_start and scan_finished support */
5135 r = _base_send_port_enable(ioc, sleep_flag);
5143 * mpt3sas_base_free_resources - free resources controller resources
5144 * @ioc: per adapter object
5149 mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc)
5151 dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
5154 /* synchronizing freeing resource with pci_access_mutex lock */
5155 mutex_lock(&ioc->pci_access_mutex);
5156 if (ioc->chip_phys && ioc->chip) {
5157 _base_mask_interrupts(ioc);
5158 ioc->shost_recovery = 1;
5159 _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
5160 ioc->shost_recovery = 0;
5163 mpt3sas_base_unmap_resources(ioc);
5164 mutex_unlock(&ioc->pci_access_mutex);
5169 * mpt3sas_base_attach - attach controller instance
5170 * @ioc: per adapter object
5172 * Returns 0 for success, non-zero for failure.
5175 mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc)
5178 int cpu_id, last_cpu_id = 0;
5180 dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
5183 /* setup cpu_msix_table */
5184 ioc->cpu_count = num_online_cpus();
5185 for_each_online_cpu(cpu_id)
5186 last_cpu_id = cpu_id;
5187 ioc->cpu_msix_table_sz = last_cpu_id + 1;
5188 ioc->cpu_msix_table = kzalloc(ioc->cpu_msix_table_sz, GFP_KERNEL);
5189 ioc->reply_queue_count = 1;
5190 if (!ioc->cpu_msix_table) {
5191 dfailprintk(ioc, pr_info(MPT3SAS_FMT
5192 "allocation for cpu_msix_table failed!!!\n",
5195 goto out_free_resources;
5198 if (ioc->is_warpdrive) {
5199 ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz,
5200 sizeof(resource_size_t *), GFP_KERNEL);
5201 if (!ioc->reply_post_host_index) {
5202 dfailprintk(ioc, pr_info(MPT3SAS_FMT "allocation "
5203 "for cpu_msix_table failed!!!\n", ioc->name));
5205 goto out_free_resources;
5209 ioc->rdpq_array_enable_assigned = 0;
5211 r = mpt3sas_base_map_resources(ioc);
5213 goto out_free_resources;
5215 pci_set_drvdata(ioc->pdev, ioc->shost);
5216 r = _base_get_ioc_facts(ioc, CAN_SLEEP);
5218 goto out_free_resources;
5220 switch (ioc->hba_mpi_version_belonged) {
5222 ioc->build_sg_scmd = &_base_build_sg_scmd;
5223 ioc->build_sg = &_base_build_sg;
5224 ioc->build_zero_len_sge = &_base_build_zero_len_sge;
5229 * SCSI_IO, SMP_PASSTHRU, SATA_PASSTHRU, Target Assist, and
5230 * Target Status - all require the IEEE formated scatter gather
5233 ioc->build_sg_scmd = &_base_build_sg_scmd_ieee;
5234 ioc->build_sg = &_base_build_sg_ieee;
5235 ioc->build_zero_len_sge = &_base_build_zero_len_sge_ieee;
5236 ioc->sge_size_ieee = sizeof(Mpi2IeeeSgeSimple64_t);
5241 * These function pointers for other requests that don't
5242 * the require IEEE scatter gather elements.
5244 * For example Configuration Pages and SAS IOUNIT Control don't.
5246 ioc->build_sg_mpi = &_base_build_sg;
5247 ioc->build_zero_len_sge_mpi = &_base_build_zero_len_sge;
5249 r = _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET);
5251 goto out_free_resources;
5253 ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts,
5254 sizeof(struct mpt3sas_port_facts), GFP_KERNEL);
5257 goto out_free_resources;
5260 for (i = 0 ; i < ioc->facts.NumberOfPorts; i++) {
5261 r = _base_get_port_facts(ioc, i, CAN_SLEEP);
5263 goto out_free_resources;
5266 r = _base_allocate_memory_pools(ioc, CAN_SLEEP);
5268 goto out_free_resources;
5270 init_waitqueue_head(&ioc->reset_wq);
5272 /* allocate memory pd handle bitmask list */
5273 ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8);
5274 if (ioc->facts.MaxDevHandle % 8)
5275 ioc->pd_handles_sz++;
5276 ioc->pd_handles = kzalloc(ioc->pd_handles_sz,
5278 if (!ioc->pd_handles) {
5280 goto out_free_resources;
5282 ioc->blocking_handles = kzalloc(ioc->pd_handles_sz,
5284 if (!ioc->blocking_handles) {
5286 goto out_free_resources;
5289 ioc->fwfault_debug = mpt3sas_fwfault_debug;
5291 /* base internal command bits */
5292 mutex_init(&ioc->base_cmds.mutex);
5293 ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
5294 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
5296 /* port_enable command bits */
5297 ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
5298 ioc->port_enable_cmds.status = MPT3_CMD_NOT_USED;
5300 /* transport internal command bits */
5301 ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
5302 ioc->transport_cmds.status = MPT3_CMD_NOT_USED;
5303 mutex_init(&ioc->transport_cmds.mutex);
5305 /* scsih internal command bits */
5306 ioc->scsih_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
5307 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
5308 mutex_init(&ioc->scsih_cmds.mutex);
5310 /* task management internal command bits */
5311 ioc->tm_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
5312 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
5313 mutex_init(&ioc->tm_cmds.mutex);
5315 /* config page internal command bits */
5316 ioc->config_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
5317 ioc->config_cmds.status = MPT3_CMD_NOT_USED;
5318 mutex_init(&ioc->config_cmds.mutex);
5320 /* ctl module internal command bits */
5321 ioc->ctl_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL);
5322 ioc->ctl_cmds.sense = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
5323 ioc->ctl_cmds.status = MPT3_CMD_NOT_USED;
5324 mutex_init(&ioc->ctl_cmds.mutex);
5326 if (!ioc->base_cmds.reply || !ioc->transport_cmds.reply ||
5327 !ioc->scsih_cmds.reply || !ioc->tm_cmds.reply ||
5328 !ioc->config_cmds.reply || !ioc->ctl_cmds.reply ||
5329 !ioc->ctl_cmds.sense) {
5331 goto out_free_resources;
5334 for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++)
5335 ioc->event_masks[i] = -1;
5337 /* here we enable the events we care about */
5338 _base_unmask_events(ioc, MPI2_EVENT_SAS_DISCOVERY);
5339 _base_unmask_events(ioc, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
5340 _base_unmask_events(ioc, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
5341 _base_unmask_events(ioc, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
5342 _base_unmask_events(ioc, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
5343 _base_unmask_events(ioc, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
5344 _base_unmask_events(ioc, MPI2_EVENT_IR_VOLUME);
5345 _base_unmask_events(ioc, MPI2_EVENT_IR_PHYSICAL_DISK);
5346 _base_unmask_events(ioc, MPI2_EVENT_IR_OPERATION_STATUS);
5347 _base_unmask_events(ioc, MPI2_EVENT_LOG_ENTRY_ADDED);
5348 _base_unmask_events(ioc, MPI2_EVENT_TEMP_THRESHOLD);
5350 r = _base_make_ioc_operational(ioc, CAN_SLEEP);
5352 goto out_free_resources;
5354 ioc->non_operational_loop = 0;
5359 ioc->remove_host = 1;
5361 mpt3sas_base_free_resources(ioc);
5362 _base_release_memory_pools(ioc);
5363 pci_set_drvdata(ioc->pdev, NULL);
5364 kfree(ioc->cpu_msix_table);
5365 if (ioc->is_warpdrive)
5366 kfree(ioc->reply_post_host_index);
5367 kfree(ioc->pd_handles);
5368 kfree(ioc->blocking_handles);
5369 kfree(ioc->tm_cmds.reply);
5370 kfree(ioc->transport_cmds.reply);
5371 kfree(ioc->scsih_cmds.reply);
5372 kfree(ioc->config_cmds.reply);
5373 kfree(ioc->base_cmds.reply);
5374 kfree(ioc->port_enable_cmds.reply);
5375 kfree(ioc->ctl_cmds.reply);
5376 kfree(ioc->ctl_cmds.sense);
5378 ioc->ctl_cmds.reply = NULL;
5379 ioc->base_cmds.reply = NULL;
5380 ioc->tm_cmds.reply = NULL;
5381 ioc->scsih_cmds.reply = NULL;
5382 ioc->transport_cmds.reply = NULL;
5383 ioc->config_cmds.reply = NULL;
5390 * mpt3sas_base_detach - remove controller instance
5391 * @ioc: per adapter object
5396 mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc)
5398 dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name,
5401 mpt3sas_base_stop_watchdog(ioc);
5402 mpt3sas_base_free_resources(ioc);
5403 _base_release_memory_pools(ioc);
5404 pci_set_drvdata(ioc->pdev, NULL);
5405 kfree(ioc->cpu_msix_table);
5406 if (ioc->is_warpdrive)
5407 kfree(ioc->reply_post_host_index);
5408 kfree(ioc->pd_handles);
5409 kfree(ioc->blocking_handles);
5411 kfree(ioc->ctl_cmds.reply);
5412 kfree(ioc->ctl_cmds.sense);
5413 kfree(ioc->base_cmds.reply);
5414 kfree(ioc->port_enable_cmds.reply);
5415 kfree(ioc->tm_cmds.reply);
5416 kfree(ioc->transport_cmds.reply);
5417 kfree(ioc->scsih_cmds.reply);
5418 kfree(ioc->config_cmds.reply);
5422 * _base_reset_handler - reset callback handler (for base)
5423 * @ioc: per adapter object
5424 * @reset_phase: phase
5426 * The handler for doing any required cleanup or initialization.
5428 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
5429 * MPT3_IOC_DONE_RESET
5434 _base_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
5436 mpt3sas_scsih_reset_handler(ioc, reset_phase);
5437 mpt3sas_ctl_reset_handler(ioc, reset_phase);
5438 switch (reset_phase) {
5439 case MPT3_IOC_PRE_RESET:
5440 dtmprintk(ioc, pr_info(MPT3SAS_FMT
5441 "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__));
5443 case MPT3_IOC_AFTER_RESET:
5444 dtmprintk(ioc, pr_info(MPT3SAS_FMT
5445 "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__));
5446 if (ioc->transport_cmds.status & MPT3_CMD_PENDING) {
5447 ioc->transport_cmds.status |= MPT3_CMD_RESET;
5448 mpt3sas_base_free_smid(ioc, ioc->transport_cmds.smid);
5449 complete(&ioc->transport_cmds.done);
5451 if (ioc->base_cmds.status & MPT3_CMD_PENDING) {
5452 ioc->base_cmds.status |= MPT3_CMD_RESET;
5453 mpt3sas_base_free_smid(ioc, ioc->base_cmds.smid);
5454 complete(&ioc->base_cmds.done);
5456 if (ioc->port_enable_cmds.status & MPT3_CMD_PENDING) {
5457 ioc->port_enable_failed = 1;
5458 ioc->port_enable_cmds.status |= MPT3_CMD_RESET;
5459 mpt3sas_base_free_smid(ioc, ioc->port_enable_cmds.smid);
5460 if (ioc->is_driver_loading) {
5461 ioc->start_scan_failed =
5462 MPI2_IOCSTATUS_INTERNAL_ERROR;
5463 ioc->start_scan = 0;
5464 ioc->port_enable_cmds.status =
5467 complete(&ioc->port_enable_cmds.done);
5469 if (ioc->config_cmds.status & MPT3_CMD_PENDING) {
5470 ioc->config_cmds.status |= MPT3_CMD_RESET;
5471 mpt3sas_base_free_smid(ioc, ioc->config_cmds.smid);
5472 ioc->config_cmds.smid = USHRT_MAX;
5473 complete(&ioc->config_cmds.done);
5476 case MPT3_IOC_DONE_RESET:
5477 dtmprintk(ioc, pr_info(MPT3SAS_FMT
5478 "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__));
5484 * _wait_for_commands_to_complete - reset controller
5485 * @ioc: Pointer to MPT_ADAPTER structure
5486 * @sleep_flag: CAN_SLEEP or NO_SLEEP
5488 * This function waiting(3s) for all pending commands to complete
5489 * prior to putting controller in reset.
5492 _wait_for_commands_to_complete(struct MPT3SAS_ADAPTER *ioc, int sleep_flag)
5495 unsigned long flags;
5498 ioc->pending_io_count = 0;
5499 if (sleep_flag != CAN_SLEEP)
5502 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
5503 if ((ioc_state & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL)
5506 /* pending command count */
5507 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
5508 for (i = 0; i < ioc->scsiio_depth; i++)
5509 if (ioc->scsi_lookup[i].cb_idx != 0xFF)
5510 ioc->pending_io_count++;
5511 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
5513 if (!ioc->pending_io_count)
5516 /* wait for pending commands to complete */
5517 wait_event_timeout(ioc->reset_wq, ioc->pending_io_count == 0, 10 * HZ);
5521 * mpt3sas_base_hard_reset_handler - reset controller
5522 * @ioc: Pointer to MPT_ADAPTER structure
5523 * @sleep_flag: CAN_SLEEP or NO_SLEEP
5524 * @type: FORCE_BIG_HAMMER or SOFT_RESET
5526 * Returns 0 for success, non-zero for failure.
5529 mpt3sas_base_hard_reset_handler(struct MPT3SAS_ADAPTER *ioc, int sleep_flag,
5530 enum reset_type type)
5533 unsigned long flags;
5535 u8 is_fault = 0, is_trigger = 0;
5537 dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: enter\n", ioc->name,
5540 if (ioc->pci_error_recovery) {
5541 pr_err(MPT3SAS_FMT "%s: pci error recovery reset\n",
5542 ioc->name, __func__);
5547 if (mpt3sas_fwfault_debug)
5548 mpt3sas_halt_firmware(ioc);
5550 /* TODO - What we really should be doing is pulling
5551 * out all the code associated with NO_SLEEP; its never used.
5552 * That is legacy code from mpt fusion driver, ported over.
5553 * I will leave this BUG_ON here for now till its been resolved.
5555 BUG_ON(sleep_flag == NO_SLEEP);
5557 /* wait for an active reset in progress to complete */
5558 if (!mutex_trylock(&ioc->reset_in_progress_mutex)) {
5561 } while (ioc->shost_recovery == 1);
5562 dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,
5564 return ioc->ioc_reset_in_progress_status;
5567 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
5568 ioc->shost_recovery = 1;
5569 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
5571 if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
5572 MPT3_DIAG_BUFFER_IS_REGISTERED) &&
5573 (!(ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
5574 MPT3_DIAG_BUFFER_IS_RELEASED))) {
5576 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
5577 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT)
5580 _base_reset_handler(ioc, MPT3_IOC_PRE_RESET);
5581 _wait_for_commands_to_complete(ioc, sleep_flag);
5582 _base_mask_interrupts(ioc);
5583 r = _base_make_ioc_ready(ioc, sleep_flag, type);
5586 _base_reset_handler(ioc, MPT3_IOC_AFTER_RESET);
5588 /* If this hard reset is called while port enable is active, then
5589 * there is no reason to call make_ioc_operational
5591 if (ioc->is_driver_loading && ioc->port_enable_failed) {
5592 ioc->remove_host = 1;
5596 r = _base_get_ioc_facts(ioc, CAN_SLEEP);
5600 if (ioc->rdpq_array_enable && !ioc->rdpq_array_capable)
5601 panic("%s: Issue occurred with flashing controller firmware."
5602 "Please reboot the system and ensure that the correct"
5603 " firmware version is running\n", ioc->name);
5605 r = _base_make_ioc_operational(ioc, sleep_flag);
5607 _base_reset_handler(ioc, MPT3_IOC_DONE_RESET);
5610 dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: %s\n",
5611 ioc->name, __func__, ((r == 0) ? "SUCCESS" : "FAILED")));
5613 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
5614 ioc->ioc_reset_in_progress_status = r;
5615 ioc->shost_recovery = 0;
5616 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags);
5617 ioc->ioc_reset_count++;
5618 mutex_unlock(&ioc->reset_in_progress_mutex);
5621 if ((r == 0) && is_trigger) {
5623 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_FW_FAULT);
5625 mpt3sas_trigger_master(ioc,
5626 MASTER_TRIGGER_ADAPTER_RESET);
5628 dtmprintk(ioc, pr_info(MPT3SAS_FMT "%s: exit\n", ioc->name,