2 * This is the Fusion MPT base driver providing common API layer interface
3 * for access to MPT (Message Passing Technology) firmware.
5 * This code is based on drivers/scsi/mpt2sas/mpt2_base.c
6 * Copyright (C) 2007-2010 LSI Corporation
7 * (mailto:DL-MPTFusionLinux@lsi.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
45 #include <linux/kernel.h>
46 #include <linux/module.h>
47 #include <linux/errno.h>
48 #include <linux/init.h>
49 #include <linux/slab.h>
50 #include <linux/types.h>
51 #include <linux/pci.h>
52 #include <linux/kdev_t.h>
53 #include <linux/blkdev.h>
54 #include <linux/delay.h>
55 #include <linux/interrupt.h>
56 #include <linux/dma-mapping.h>
57 #include <linux/sort.h>
59 #include <linux/time.h>
60 #include <linux/kthread.h>
61 #include <linux/aer.h>
63 #include "mpt2sas_base.h"
65 static MPT_CALLBACK mpt_callbacks
[MPT_MAX_CALLBACKS
];
67 #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */
69 #define MAX_HBA_QUEUE_DEPTH 30000
70 #define MAX_CHAIN_DEPTH 100000
71 static int max_queue_depth
= -1;
72 module_param(max_queue_depth
, int, 0);
73 MODULE_PARM_DESC(max_queue_depth
, " max controller queue depth ");
75 static int max_sgl_entries
= -1;
76 module_param(max_sgl_entries
, int, 0);
77 MODULE_PARM_DESC(max_sgl_entries
, " max sg entries ");
79 static int msix_disable
= -1;
80 module_param(msix_disable
, int, 0);
81 MODULE_PARM_DESC(msix_disable
, " disable msix routed interrupts (default=0)");
83 static int missing_delay
[2] = {-1, -1};
84 module_param_array(missing_delay
, int, NULL
, 0);
85 MODULE_PARM_DESC(missing_delay
, " device missing delay , io missing delay");
87 static int mpt2sas_fwfault_debug
;
88 MODULE_PARM_DESC(mpt2sas_fwfault_debug
, " enable detection of firmware fault "
89 "and halt firmware - (default=0)");
91 static int disable_discovery
= -1;
92 module_param(disable_discovery
, int, 0);
93 MODULE_PARM_DESC(disable_discovery
, " disable discovery ");
96 /* diag_buffer_enable is bitwise
98 * bit 1 set = SNAPSHOT
99 * bit 2 set = EXTENDED
101 * Either bit can be set, or both
103 static int diag_buffer_enable
;
104 module_param(diag_buffer_enable
, int, 0);
105 MODULE_PARM_DESC(diag_buffer_enable
, " post diag buffers "
106 "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
109 * _scsih_set_fwfault_debug - global setting of ioc->fwfault_debug.
113 _scsih_set_fwfault_debug(const char *val
, struct kernel_param
*kp
)
115 int ret
= param_set_int(val
, kp
);
116 struct MPT2SAS_ADAPTER
*ioc
;
121 printk(KERN_INFO
"setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug
);
122 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
)
123 ioc
->fwfault_debug
= mpt2sas_fwfault_debug
;
127 module_param_call(mpt2sas_fwfault_debug
, _scsih_set_fwfault_debug
,
128 param_get_int
, &mpt2sas_fwfault_debug
, 0644);
131 * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc
132 * @arg: input argument, used to derive ioc
134 * Return 0 if controller is removed from pci subsystem.
135 * Return -1 for other case.
137 static int mpt2sas_remove_dead_ioc_func(void *arg
)
139 struct MPT2SAS_ADAPTER
*ioc
= (struct MPT2SAS_ADAPTER
*)arg
;
140 struct pci_dev
*pdev
;
148 pci_remove_bus_device(pdev
);
154 * _base_fault_reset_work - workq handling ioc fault conditions
155 * @work: input argument, used to derive ioc
161 _base_fault_reset_work(struct work_struct
*work
)
163 struct MPT2SAS_ADAPTER
*ioc
=
164 container_of(work
, struct MPT2SAS_ADAPTER
, fault_reset_work
.work
);
168 struct task_struct
*p
;
170 spin_lock_irqsave(&ioc
->ioc_reset_in_progress_lock
, flags
);
171 if (ioc
->shost_recovery
)
173 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
, flags
);
175 doorbell
= mpt2sas_base_get_iocstate(ioc
, 0);
176 if ((doorbell
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_MASK
) {
177 printk(MPT2SAS_INFO_FMT
"%s : SAS host is non-operational !!!!\n",
178 ioc
->name
, __func__
);
181 * Call _scsih_flush_pending_cmds callback so that we flush all
182 * pending commands back to OS. This call is required to aovid
183 * deadlock at block layer. Dead IOC will fail to do diag reset,
184 * and this call is safe since dead ioc will never return any
185 * command back from HW.
187 ioc
->schedule_dead_ioc_flush_running_cmds(ioc
);
189 * Set remove_host flag early since kernel thread will
190 * take some time to execute.
192 ioc
->remove_host
= 1;
193 /*Remove the Dead Host */
194 p
= kthread_run(mpt2sas_remove_dead_ioc_func
, ioc
,
195 "mpt2sas_dead_ioc_%d", ioc
->id
);
197 printk(MPT2SAS_ERR_FMT
198 "%s: Running mpt2sas_dead_ioc thread failed !!!!\n",
199 ioc
->name
, __func__
);
201 printk(MPT2SAS_ERR_FMT
202 "%s: Running mpt2sas_dead_ioc thread success !!!!\n",
203 ioc
->name
, __func__
);
206 return; /* don't rearm timer */
209 if ((doorbell
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
210 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
212 printk(MPT2SAS_WARN_FMT
"%s: hard reset: %s\n", ioc
->name
,
213 __func__
, (rc
== 0) ? "success" : "failed");
214 doorbell
= mpt2sas_base_get_iocstate(ioc
, 0);
215 if ((doorbell
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
)
216 mpt2sas_base_fault_info(ioc
, doorbell
&
217 MPI2_DOORBELL_DATA_MASK
);
220 spin_lock_irqsave(&ioc
->ioc_reset_in_progress_lock
, flags
);
222 if (ioc
->fault_reset_work_q
)
223 queue_delayed_work(ioc
->fault_reset_work_q
,
224 &ioc
->fault_reset_work
,
225 msecs_to_jiffies(FAULT_POLLING_INTERVAL
));
226 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
, flags
);
230 * mpt2sas_base_start_watchdog - start the fault_reset_work_q
231 * @ioc: per adapter object
237 mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER
*ioc
)
241 if (ioc
->fault_reset_work_q
)
244 /* initialize fault polling */
245 INIT_DELAYED_WORK(&ioc
->fault_reset_work
, _base_fault_reset_work
);
246 snprintf(ioc
->fault_reset_work_q_name
,
247 sizeof(ioc
->fault_reset_work_q_name
), "poll_%d_status", ioc
->id
);
248 ioc
->fault_reset_work_q
=
249 create_singlethread_workqueue(ioc
->fault_reset_work_q_name
);
250 if (!ioc
->fault_reset_work_q
) {
251 printk(MPT2SAS_ERR_FMT
"%s: failed (line=%d)\n",
252 ioc
->name
, __func__
, __LINE__
);
255 spin_lock_irqsave(&ioc
->ioc_reset_in_progress_lock
, flags
);
256 if (ioc
->fault_reset_work_q
)
257 queue_delayed_work(ioc
->fault_reset_work_q
,
258 &ioc
->fault_reset_work
,
259 msecs_to_jiffies(FAULT_POLLING_INTERVAL
));
260 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
, flags
);
264 * mpt2sas_base_stop_watchdog - stop the fault_reset_work_q
265 * @ioc: per adapter object
271 mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER
*ioc
)
274 struct workqueue_struct
*wq
;
276 spin_lock_irqsave(&ioc
->ioc_reset_in_progress_lock
, flags
);
277 wq
= ioc
->fault_reset_work_q
;
278 ioc
->fault_reset_work_q
= NULL
;
279 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
, flags
);
281 if (!cancel_delayed_work(&ioc
->fault_reset_work
))
283 destroy_workqueue(wq
);
288 * mpt2sas_base_fault_info - verbose translation of firmware FAULT code
289 * @ioc: per adapter object
290 * @fault_code: fault code
295 mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER
*ioc
, u16 fault_code
)
297 printk(MPT2SAS_ERR_FMT
"fault_state(0x%04x)!\n",
298 ioc
->name
, fault_code
);
302 * mpt2sas_halt_firmware - halt's mpt controller firmware
303 * @ioc: per adapter object
305 * For debugging timeout related issues. Writing 0xCOFFEE00
306 * to the doorbell register will halt controller firmware. With
307 * the purpose to stop both driver and firmware, the enduser can
308 * obtain a ring buffer from controller UART.
311 mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER
*ioc
)
315 if (!ioc
->fwfault_debug
)
320 doorbell
= readl(&ioc
->chip
->Doorbell
);
321 if ((doorbell
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
)
322 mpt2sas_base_fault_info(ioc
, doorbell
);
324 writel(0xC0FFEE00, &ioc
->chip
->Doorbell
);
325 printk(MPT2SAS_ERR_FMT
"Firmware is halted due to command "
326 "timeout\n", ioc
->name
);
329 panic("panic in %s\n", __func__
);
332 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
334 * _base_sas_ioc_info - verbose translation of the ioc status
335 * @ioc: per adapter object
336 * @mpi_reply: reply mf payload returned from firmware
337 * @request_hdr: request mf
342 _base_sas_ioc_info(struct MPT2SAS_ADAPTER
*ioc
, MPI2DefaultReply_t
*mpi_reply
,
343 MPI2RequestHeader_t
*request_hdr
)
345 u16 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) &
349 char *func_str
= NULL
;
351 /* SCSI_IO, RAID_PASS are handled from _scsih_scsi_ioc_info */
352 if (request_hdr
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
||
353 request_hdr
->Function
== MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
||
354 request_hdr
->Function
== MPI2_FUNCTION_EVENT_NOTIFICATION
)
357 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
360 switch (ioc_status
) {
362 /****************************************************************************
363 * Common IOCStatus values for all replies
364 ****************************************************************************/
366 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
367 desc
= "invalid function";
369 case MPI2_IOCSTATUS_BUSY
:
372 case MPI2_IOCSTATUS_INVALID_SGL
:
373 desc
= "invalid sgl";
375 case MPI2_IOCSTATUS_INTERNAL_ERROR
:
376 desc
= "internal error";
378 case MPI2_IOCSTATUS_INVALID_VPID
:
379 desc
= "invalid vpid";
381 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES
:
382 desc
= "insufficient resources";
384 case MPI2_IOCSTATUS_INVALID_FIELD
:
385 desc
= "invalid field";
387 case MPI2_IOCSTATUS_INVALID_STATE
:
388 desc
= "invalid state";
390 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED
:
391 desc
= "op state not supported";
394 /****************************************************************************
395 * Config IOCStatus values
396 ****************************************************************************/
398 case MPI2_IOCSTATUS_CONFIG_INVALID_ACTION
:
399 desc
= "config invalid action";
401 case MPI2_IOCSTATUS_CONFIG_INVALID_TYPE
:
402 desc
= "config invalid type";
404 case MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
:
405 desc
= "config invalid page";
407 case MPI2_IOCSTATUS_CONFIG_INVALID_DATA
:
408 desc
= "config invalid data";
410 case MPI2_IOCSTATUS_CONFIG_NO_DEFAULTS
:
411 desc
= "config no defaults";
413 case MPI2_IOCSTATUS_CONFIG_CANT_COMMIT
:
414 desc
= "config cant commit";
417 /****************************************************************************
419 ****************************************************************************/
421 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
422 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE
:
423 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
424 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
425 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
426 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
427 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
428 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
429 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
430 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
431 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
432 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
435 /****************************************************************************
436 * For use by SCSI Initiator and SCSI Target end-to-end data protection
437 ****************************************************************************/
439 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
440 desc
= "eedp guard error";
442 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
443 desc
= "eedp ref tag error";
445 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
446 desc
= "eedp app tag error";
449 /****************************************************************************
451 ****************************************************************************/
453 case MPI2_IOCSTATUS_TARGET_INVALID_IO_INDEX
:
454 desc
= "target invalid io index";
456 case MPI2_IOCSTATUS_TARGET_ABORTED
:
457 desc
= "target aborted";
459 case MPI2_IOCSTATUS_TARGET_NO_CONN_RETRYABLE
:
460 desc
= "target no conn retryable";
462 case MPI2_IOCSTATUS_TARGET_NO_CONNECTION
:
463 desc
= "target no connection";
465 case MPI2_IOCSTATUS_TARGET_XFER_COUNT_MISMATCH
:
466 desc
= "target xfer count mismatch";
468 case MPI2_IOCSTATUS_TARGET_DATA_OFFSET_ERROR
:
469 desc
= "target data offset error";
471 case MPI2_IOCSTATUS_TARGET_TOO_MUCH_WRITE_DATA
:
472 desc
= "target too much write data";
474 case MPI2_IOCSTATUS_TARGET_IU_TOO_SHORT
:
475 desc
= "target iu too short";
477 case MPI2_IOCSTATUS_TARGET_ACK_NAK_TIMEOUT
:
478 desc
= "target ack nak timeout";
480 case MPI2_IOCSTATUS_TARGET_NAK_RECEIVED
:
481 desc
= "target nak received";
484 /****************************************************************************
485 * Serial Attached SCSI values
486 ****************************************************************************/
488 case MPI2_IOCSTATUS_SAS_SMP_REQUEST_FAILED
:
489 desc
= "smp request failed";
491 case MPI2_IOCSTATUS_SAS_SMP_DATA_OVERRUN
:
492 desc
= "smp data overrun";
495 /****************************************************************************
496 * Diagnostic Buffer Post / Diagnostic Release values
497 ****************************************************************************/
499 case MPI2_IOCSTATUS_DIAGNOSTIC_RELEASED
:
500 desc
= "diagnostic released";
509 switch (request_hdr
->Function
) {
510 case MPI2_FUNCTION_CONFIG
:
511 frame_sz
= sizeof(Mpi2ConfigRequest_t
) + ioc
->sge_size
;
512 func_str
= "config_page";
514 case MPI2_FUNCTION_SCSI_TASK_MGMT
:
515 frame_sz
= sizeof(Mpi2SCSITaskManagementRequest_t
);
516 func_str
= "task_mgmt";
518 case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
:
519 frame_sz
= sizeof(Mpi2SasIoUnitControlRequest_t
);
520 func_str
= "sas_iounit_ctl";
522 case MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
:
523 frame_sz
= sizeof(Mpi2SepRequest_t
);
524 func_str
= "enclosure";
526 case MPI2_FUNCTION_IOC_INIT
:
527 frame_sz
= sizeof(Mpi2IOCInitRequest_t
);
528 func_str
= "ioc_init";
530 case MPI2_FUNCTION_PORT_ENABLE
:
531 frame_sz
= sizeof(Mpi2PortEnableRequest_t
);
532 func_str
= "port_enable";
534 case MPI2_FUNCTION_SMP_PASSTHROUGH
:
535 frame_sz
= sizeof(Mpi2SmpPassthroughRequest_t
) + ioc
->sge_size
;
536 func_str
= "smp_passthru";
540 func_str
= "unknown";
544 printk(MPT2SAS_WARN_FMT
"ioc_status: %s(0x%04x), request(0x%p),"
545 " (%s)\n", ioc
->name
, desc
, ioc_status
, request_hdr
, func_str
);
547 _debug_dump_mf(request_hdr
, frame_sz
/4);
551 * _base_display_event_data - verbose translation of firmware asyn events
552 * @ioc: per adapter object
553 * @mpi_reply: reply mf payload returned from firmware
558 _base_display_event_data(struct MPT2SAS_ADAPTER
*ioc
,
559 Mpi2EventNotificationReply_t
*mpi_reply
)
564 if (!(ioc
->logging_level
& MPT_DEBUG_EVENTS
))
567 event
= le16_to_cpu(mpi_reply
->Event
);
570 case MPI2_EVENT_LOG_DATA
:
573 case MPI2_EVENT_STATE_CHANGE
:
574 desc
= "Status Change";
576 case MPI2_EVENT_HARD_RESET_RECEIVED
:
577 desc
= "Hard Reset Received";
579 case MPI2_EVENT_EVENT_CHANGE
:
580 desc
= "Event Change";
582 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
583 desc
= "Device Status Change";
585 case MPI2_EVENT_IR_OPERATION_STATUS
:
586 if (!ioc
->hide_ir_msg
)
587 desc
= "IR Operation Status";
589 case MPI2_EVENT_SAS_DISCOVERY
:
591 Mpi2EventDataSasDiscovery_t
*event_data
=
592 (Mpi2EventDataSasDiscovery_t
*)mpi_reply
->EventData
;
593 printk(MPT2SAS_INFO_FMT
"Discovery: (%s)", ioc
->name
,
594 (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
) ?
596 if (event_data
->DiscoveryStatus
)
597 printk("discovery_status(0x%08x)",
598 le32_to_cpu(event_data
->DiscoveryStatus
));
602 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
603 desc
= "SAS Broadcast Primitive";
605 case MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE
:
606 desc
= "SAS Init Device Status Change";
608 case MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW
:
609 desc
= "SAS Init Table Overflow";
611 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
612 desc
= "SAS Topology Change List";
614 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
615 desc
= "SAS Enclosure Device Status Change";
617 case MPI2_EVENT_IR_VOLUME
:
618 if (!ioc
->hide_ir_msg
)
621 case MPI2_EVENT_IR_PHYSICAL_DISK
:
622 if (!ioc
->hide_ir_msg
)
623 desc
= "IR Physical Disk";
625 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
626 if (!ioc
->hide_ir_msg
)
627 desc
= "IR Configuration Change List";
629 case MPI2_EVENT_LOG_ENTRY_ADDED
:
630 if (!ioc
->hide_ir_msg
)
631 desc
= "Log Entry Added";
638 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
, desc
);
643 * _base_sas_log_info - verbose translation of firmware log info
644 * @ioc: per adapter object
645 * @log_info: log info
650 _base_sas_log_info(struct MPT2SAS_ADAPTER
*ioc
, u32 log_info
)
661 union loginfo_type sas_loginfo
;
662 char *originator_str
= NULL
;
664 sas_loginfo
.loginfo
= log_info
;
665 if (sas_loginfo
.dw
.bus_type
!= 3 /*SAS*/)
668 /* each nexus loss loginfo */
669 if (log_info
== 0x31170000)
672 /* eat the loginfos associated with task aborts */
673 if (ioc
->ignore_loginfos
&& (log_info
== 30050000 || log_info
==
674 0x31140000 || log_info
== 0x31130000))
677 switch (sas_loginfo
.dw
.originator
) {
679 originator_str
= "IOP";
682 originator_str
= "PL";
685 if (!ioc
->hide_ir_msg
)
686 originator_str
= "IR";
688 originator_str
= "WarpDrive";
692 printk(MPT2SAS_WARN_FMT
"log_info(0x%08x): originator(%s), "
693 "code(0x%02x), sub_code(0x%04x)\n", ioc
->name
, log_info
,
694 originator_str
, sas_loginfo
.dw
.code
,
695 sas_loginfo
.dw
.subcode
);
699 * _base_display_reply_info -
700 * @ioc: per adapter object
701 * @smid: system request message index
702 * @msix_index: MSIX table index supplied by the OS
703 * @reply: reply message frame(lower 32bit addr)
708 _base_display_reply_info(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
711 MPI2DefaultReply_t
*mpi_reply
;
714 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
715 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
716 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
717 if ((ioc_status
& MPI2_IOCSTATUS_MASK
) &&
718 (ioc
->logging_level
& MPT_DEBUG_REPLY
)) {
719 _base_sas_ioc_info(ioc
, mpi_reply
,
720 mpt2sas_base_get_msg_frame(ioc
, smid
));
723 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
724 _base_sas_log_info(ioc
, le32_to_cpu(mpi_reply
->IOCLogInfo
));
728 * mpt2sas_base_done - base internal command completion routine
729 * @ioc: per adapter object
730 * @smid: system request message index
731 * @msix_index: MSIX table index supplied by the OS
732 * @reply: reply message frame(lower 32bit addr)
734 * Return 1 meaning mf should be freed from _base_interrupt
735 * 0 means the mf is freed from this function.
738 mpt2sas_base_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
741 MPI2DefaultReply_t
*mpi_reply
;
743 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
744 if (mpi_reply
&& mpi_reply
->Function
== MPI2_FUNCTION_EVENT_ACK
)
747 if (ioc
->base_cmds
.status
== MPT2_CMD_NOT_USED
)
750 ioc
->base_cmds
.status
|= MPT2_CMD_COMPLETE
;
752 ioc
->base_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
753 memcpy(ioc
->base_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
755 ioc
->base_cmds
.status
&= ~MPT2_CMD_PENDING
;
757 complete(&ioc
->base_cmds
.done
);
762 * _base_async_event - main callback handler for firmware asyn events
763 * @ioc: per adapter object
764 * @msix_index: MSIX table index supplied by the OS
765 * @reply: reply message frame(lower 32bit addr)
767 * Return 1 meaning mf should be freed from _base_interrupt
768 * 0 means the mf is freed from this function.
771 _base_async_event(struct MPT2SAS_ADAPTER
*ioc
, u8 msix_index
, u32 reply
)
773 Mpi2EventNotificationReply_t
*mpi_reply
;
774 Mpi2EventAckRequest_t
*ack_request
;
777 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
780 if (mpi_reply
->Function
!= MPI2_FUNCTION_EVENT_NOTIFICATION
)
782 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
783 _base_display_event_data(ioc
, mpi_reply
);
785 if (!(mpi_reply
->AckRequired
& MPI2_EVENT_NOTIFICATION_ACK_REQUIRED
))
787 smid
= mpt2sas_base_get_smid(ioc
, ioc
->base_cb_idx
);
789 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
790 ioc
->name
, __func__
);
794 ack_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
795 memset(ack_request
, 0, sizeof(Mpi2EventAckRequest_t
));
796 ack_request
->Function
= MPI2_FUNCTION_EVENT_ACK
;
797 ack_request
->Event
= mpi_reply
->Event
;
798 ack_request
->EventContext
= mpi_reply
->EventContext
;
799 ack_request
->VF_ID
= 0; /* TODO */
800 ack_request
->VP_ID
= 0;
801 mpt2sas_base_put_smid_default(ioc
, smid
);
805 /* scsih callback handler */
806 mpt2sas_scsih_event_callback(ioc
, msix_index
, reply
);
808 /* ctl callback handler */
809 mpt2sas_ctl_event_callback(ioc
, msix_index
, reply
);
815 * _base_get_cb_idx - obtain the callback index
816 * @ioc: per adapter object
817 * @smid: system request message index
819 * Return callback index.
822 _base_get_cb_idx(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
827 if (smid
< ioc
->hi_priority_smid
) {
829 cb_idx
= ioc
->scsi_lookup
[i
].cb_idx
;
830 } else if (smid
< ioc
->internal_smid
) {
831 i
= smid
- ioc
->hi_priority_smid
;
832 cb_idx
= ioc
->hpr_lookup
[i
].cb_idx
;
833 } else if (smid
<= ioc
->hba_queue_depth
) {
834 i
= smid
- ioc
->internal_smid
;
835 cb_idx
= ioc
->internal_lookup
[i
].cb_idx
;
842 * _base_mask_interrupts - disable interrupts
843 * @ioc: per adapter object
845 * Disabling ResetIRQ, Reply and Doorbell Interrupts
850 _base_mask_interrupts(struct MPT2SAS_ADAPTER
*ioc
)
854 ioc
->mask_interrupts
= 1;
855 him_register
= readl(&ioc
->chip
->HostInterruptMask
);
856 him_register
|= MPI2_HIM_DIM
+ MPI2_HIM_RIM
+ MPI2_HIM_RESET_IRQ_MASK
;
857 writel(him_register
, &ioc
->chip
->HostInterruptMask
);
858 readl(&ioc
->chip
->HostInterruptMask
);
862 * _base_unmask_interrupts - enable interrupts
863 * @ioc: per adapter object
865 * Enabling only Reply Interrupts
870 _base_unmask_interrupts(struct MPT2SAS_ADAPTER
*ioc
)
874 him_register
= readl(&ioc
->chip
->HostInterruptMask
);
875 him_register
&= ~MPI2_HIM_RIM
;
876 writel(him_register
, &ioc
->chip
->HostInterruptMask
);
877 ioc
->mask_interrupts
= 0;
880 union reply_descriptor
{
889 * _base_interrupt - MPT adapter (IOC) specific interrupt handler.
890 * @irq: irq number (not used)
891 * @bus_id: bus identifier cookie == pointer to MPT_ADAPTER structure
892 * @r: pt_regs pointer (not used)
894 * Return IRQ_HANDLE if processed, else IRQ_NONE.
897 _base_interrupt(int irq
, void *bus_id
)
899 struct adapter_reply_queue
*reply_q
= bus_id
;
900 union reply_descriptor rd
;
902 u8 request_desript_type
;
906 u8 msix_index
= reply_q
->msix_index
;
907 struct MPT2SAS_ADAPTER
*ioc
= reply_q
->ioc
;
908 Mpi2ReplyDescriptorsUnion_t
*rpf
;
911 if (ioc
->mask_interrupts
)
914 if (!atomic_add_unless(&reply_q
->busy
, 1, 1))
917 rpf
= &reply_q
->reply_post_free
[reply_q
->reply_post_host_index
];
918 request_desript_type
= rpf
->Default
.ReplyFlags
919 & MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK
;
920 if (request_desript_type
== MPI2_RPY_DESCRIPT_FLAGS_UNUSED
) {
921 atomic_dec(&reply_q
->busy
);
928 rd
.word
= le64_to_cpu(rpf
->Words
);
929 if (rd
.u
.low
== UINT_MAX
|| rd
.u
.high
== UINT_MAX
)
932 smid
= le16_to_cpu(rpf
->Default
.DescriptorTypeDependent1
);
933 if (request_desript_type
==
934 MPI2_RPY_DESCRIPT_FLAGS_ADDRESS_REPLY
) {
936 (rpf
->AddressReply
.ReplyFrameAddress
);
937 if (reply
> ioc
->reply_dma_max_address
||
938 reply
< ioc
->reply_dma_min_address
)
940 } else if (request_desript_type
==
941 MPI2_RPY_DESCRIPT_FLAGS_TARGET_COMMAND_BUFFER
)
943 else if (request_desript_type
==
944 MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS
)
947 cb_idx
= _base_get_cb_idx(ioc
, smid
);
948 if (smid
&& cb_idx
!= 0xFF) {
949 rc
= mpt_callbacks
[cb_idx
](ioc
, smid
, msix_index
,
952 _base_display_reply_info(ioc
, smid
, msix_index
,
955 mpt2sas_base_free_smid(ioc
, smid
);
958 _base_async_event(ioc
, msix_index
, reply
);
960 /* reply free queue handling */
962 ioc
->reply_free_host_index
=
963 (ioc
->reply_free_host_index
==
964 (ioc
->reply_free_queue_depth
- 1)) ?
965 0 : ioc
->reply_free_host_index
+ 1;
966 ioc
->reply_free
[ioc
->reply_free_host_index
] =
969 writel(ioc
->reply_free_host_index
,
970 &ioc
->chip
->ReplyFreeHostIndex
);
975 rpf
->Words
= cpu_to_le64(ULLONG_MAX
);
976 reply_q
->reply_post_host_index
=
977 (reply_q
->reply_post_host_index
==
978 (ioc
->reply_post_queue_depth
- 1)) ? 0 :
979 reply_q
->reply_post_host_index
+ 1;
980 request_desript_type
=
981 reply_q
->reply_post_free
[reply_q
->reply_post_host_index
].
982 Default
.ReplyFlags
& MPI2_RPY_DESCRIPT_FLAGS_TYPE_MASK
;
984 if (request_desript_type
== MPI2_RPY_DESCRIPT_FLAGS_UNUSED
)
986 if (!reply_q
->reply_post_host_index
)
987 rpf
= reply_q
->reply_post_free
;
994 if (!completed_cmds
) {
995 atomic_dec(&reply_q
->busy
);
999 if (ioc
->is_warpdrive
) {
1000 writel(reply_q
->reply_post_host_index
,
1001 ioc
->reply_post_host_index
[msix_index
]);
1002 atomic_dec(&reply_q
->busy
);
1005 writel(reply_q
->reply_post_host_index
| (msix_index
<<
1006 MPI2_RPHI_MSIX_INDEX_SHIFT
), &ioc
->chip
->ReplyPostHostIndex
);
1007 atomic_dec(&reply_q
->busy
);
1012 * _base_is_controller_msix_enabled - is controller support muli-reply queues
1013 * @ioc: per adapter object
1017 _base_is_controller_msix_enabled(struct MPT2SAS_ADAPTER
*ioc
)
1019 return (ioc
->facts
.IOCCapabilities
&
1020 MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX
) && ioc
->msix_enable
;
1024 * mpt2sas_base_flush_reply_queues - flushing the MSIX reply queues
1025 * @ioc: per adapter object
1026 * Context: ISR conext
1028 * Called when a Task Management request has completed. We want
1029 * to flush the other reply queues so all the outstanding IO has been
1030 * completed back to OS before we process the TM completetion.
1035 mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER
*ioc
)
1037 struct adapter_reply_queue
*reply_q
;
1039 /* If MSIX capability is turned off
1040 * then multi-queues are not enabled
1042 if (!_base_is_controller_msix_enabled(ioc
))
1045 list_for_each_entry(reply_q
, &ioc
->reply_queue_list
, list
) {
1046 if (ioc
->shost_recovery
)
1048 /* TMs are on msix_index == 0 */
1049 if (reply_q
->msix_index
== 0)
1051 _base_interrupt(reply_q
->vector
, (void *)reply_q
);
1056 * mpt2sas_base_release_callback_handler - clear interrupt callback handler
1057 * @cb_idx: callback index
1062 mpt2sas_base_release_callback_handler(u8 cb_idx
)
1064 mpt_callbacks
[cb_idx
] = NULL
;
1068 * mpt2sas_base_register_callback_handler - obtain index for the interrupt callback handler
1069 * @cb_func: callback function
1074 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func
)
1078 for (cb_idx
= MPT_MAX_CALLBACKS
-1; cb_idx
; cb_idx
--)
1079 if (mpt_callbacks
[cb_idx
] == NULL
)
1082 mpt_callbacks
[cb_idx
] = cb_func
;
1087 * mpt2sas_base_initialize_callback_handler - initialize the interrupt callback handler
1092 mpt2sas_base_initialize_callback_handler(void)
1096 for (cb_idx
= 0; cb_idx
< MPT_MAX_CALLBACKS
; cb_idx
++)
1097 mpt2sas_base_release_callback_handler(cb_idx
);
1101 * mpt2sas_base_build_zero_len_sge - build zero length sg entry
1102 * @ioc: per adapter object
1103 * @paddr: virtual address for SGE
1105 * Create a zero length scatter gather entry to insure the IOCs hardware has
1106 * something to use if the target device goes brain dead and tries
1107 * to send data even when none is asked for.
1112 mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER
*ioc
, void *paddr
)
1114 u32 flags_length
= (u32
)((MPI2_SGE_FLAGS_LAST_ELEMENT
|
1115 MPI2_SGE_FLAGS_END_OF_BUFFER
| MPI2_SGE_FLAGS_END_OF_LIST
|
1116 MPI2_SGE_FLAGS_SIMPLE_ELEMENT
) <<
1117 MPI2_SGE_FLAGS_SHIFT
);
1118 ioc
->base_add_sg_single(paddr
, flags_length
, -1);
1122 * _base_add_sg_single_32 - Place a simple 32 bit SGE at address pAddr.
1123 * @paddr: virtual address for SGE
1124 * @flags_length: SGE flags and data transfer length
1125 * @dma_addr: Physical address
1130 _base_add_sg_single_32(void *paddr
, u32 flags_length
, dma_addr_t dma_addr
)
1132 Mpi2SGESimple32_t
*sgel
= paddr
;
1134 flags_length
|= (MPI2_SGE_FLAGS_32_BIT_ADDRESSING
|
1135 MPI2_SGE_FLAGS_SYSTEM_ADDRESS
) << MPI2_SGE_FLAGS_SHIFT
;
1136 sgel
->FlagsLength
= cpu_to_le32(flags_length
);
1137 sgel
->Address
= cpu_to_le32(dma_addr
);
1142 * _base_add_sg_single_64 - Place a simple 64 bit SGE at address pAddr.
1143 * @paddr: virtual address for SGE
1144 * @flags_length: SGE flags and data transfer length
1145 * @dma_addr: Physical address
1150 _base_add_sg_single_64(void *paddr
, u32 flags_length
, dma_addr_t dma_addr
)
1152 Mpi2SGESimple64_t
*sgel
= paddr
;
1154 flags_length
|= (MPI2_SGE_FLAGS_64_BIT_ADDRESSING
|
1155 MPI2_SGE_FLAGS_SYSTEM_ADDRESS
) << MPI2_SGE_FLAGS_SHIFT
;
1156 sgel
->FlagsLength
= cpu_to_le32(flags_length
);
1157 sgel
->Address
= cpu_to_le64(dma_addr
);
1160 #define convert_to_kb(x) ((x) << (PAGE_SHIFT - 10))
1163 * _base_config_dma_addressing - set dma addressing
1164 * @ioc: per adapter object
1165 * @pdev: PCI device struct
1167 * Returns 0 for success, non-zero for failure.
1170 _base_config_dma_addressing(struct MPT2SAS_ADAPTER
*ioc
, struct pci_dev
*pdev
)
1175 if (sizeof(dma_addr_t
) > 4) {
1176 const uint64_t required_mask
=
1177 dma_get_required_mask(&pdev
->dev
);
1178 if ((required_mask
> DMA_BIT_MASK(32)) && !pci_set_dma_mask(pdev
,
1179 DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(pdev
,
1180 DMA_BIT_MASK(64))) {
1181 ioc
->base_add_sg_single
= &_base_add_sg_single_64
;
1182 ioc
->sge_size
= sizeof(Mpi2SGESimple64_t
);
1188 if (!pci_set_dma_mask(pdev
, DMA_BIT_MASK(32))
1189 && !pci_set_consistent_dma_mask(pdev
, DMA_BIT_MASK(32))) {
1190 ioc
->base_add_sg_single
= &_base_add_sg_single_32
;
1191 ioc
->sge_size
= sizeof(Mpi2SGESimple32_t
);
1198 printk(MPT2SAS_INFO_FMT
"%s BIT PCI BUS DMA ADDRESSING SUPPORTED, "
1199 "total mem (%ld kB)\n", ioc
->name
, desc
, convert_to_kb(s
.totalram
));
1205 * _base_check_enable_msix - checks MSIX capabable.
1206 * @ioc: per adapter object
1208 * Check to see if card is capable of MSIX, and set number
1209 * of available msix vectors
1212 _base_check_enable_msix(struct MPT2SAS_ADAPTER
*ioc
)
1215 u16 message_control
;
1218 base
= pci_find_capability(ioc
->pdev
, PCI_CAP_ID_MSIX
);
1220 dfailprintk(ioc
, printk(MPT2SAS_INFO_FMT
"msix not "
1221 "supported\n", ioc
->name
));
1225 /* get msix vector count */
1226 /* NUMA_IO not supported for older controllers */
1227 if (ioc
->pdev
->device
== MPI2_MFGPAGE_DEVID_SAS2004
||
1228 ioc
->pdev
->device
== MPI2_MFGPAGE_DEVID_SAS2008
||
1229 ioc
->pdev
->device
== MPI2_MFGPAGE_DEVID_SAS2108_1
||
1230 ioc
->pdev
->device
== MPI2_MFGPAGE_DEVID_SAS2108_2
||
1231 ioc
->pdev
->device
== MPI2_MFGPAGE_DEVID_SAS2108_3
||
1232 ioc
->pdev
->device
== MPI2_MFGPAGE_DEVID_SAS2116_1
||
1233 ioc
->pdev
->device
== MPI2_MFGPAGE_DEVID_SAS2116_2
)
1234 ioc
->msix_vector_count
= 1;
1236 pci_read_config_word(ioc
->pdev
, base
+ 2, &message_control
);
1237 ioc
->msix_vector_count
= (message_control
& 0x3FF) + 1;
1239 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"msix is supported, "
1240 "vector_count(%d)\n", ioc
->name
, ioc
->msix_vector_count
));
1246 * _base_free_irq - free irq
1247 * @ioc: per adapter object
1249 * Freeing respective reply_queue from the list.
1252 _base_free_irq(struct MPT2SAS_ADAPTER
*ioc
)
1254 struct adapter_reply_queue
*reply_q
, *next
;
1256 if (list_empty(&ioc
->reply_queue_list
))
1259 list_for_each_entry_safe(reply_q
, next
, &ioc
->reply_queue_list
, list
) {
1260 list_del(&reply_q
->list
);
1261 synchronize_irq(reply_q
->vector
);
1262 free_irq(reply_q
->vector
, reply_q
);
1268 * _base_request_irq - request irq
1269 * @ioc: per adapter object
1270 * @index: msix index into vector table
1271 * @vector: irq vector
1273 * Inserting respective reply_queue into the list.
1276 _base_request_irq(struct MPT2SAS_ADAPTER
*ioc
, u8 index
, u32 vector
)
1278 struct adapter_reply_queue
*reply_q
;
1281 reply_q
= kzalloc(sizeof(struct adapter_reply_queue
), GFP_KERNEL
);
1283 printk(MPT2SAS_ERR_FMT
"unable to allocate memory %d!\n",
1284 ioc
->name
, (int)sizeof(struct adapter_reply_queue
));
1288 reply_q
->msix_index
= index
;
1289 reply_q
->vector
= vector
;
1290 atomic_set(&reply_q
->busy
, 0);
1291 if (ioc
->msix_enable
)
1292 snprintf(reply_q
->name
, MPT_NAME_LENGTH
, "%s%d-msix%d",
1293 MPT2SAS_DRIVER_NAME
, ioc
->id
, index
);
1295 snprintf(reply_q
->name
, MPT_NAME_LENGTH
, "%s%d",
1296 MPT2SAS_DRIVER_NAME
, ioc
->id
);
1297 r
= request_irq(vector
, _base_interrupt
, IRQF_SHARED
, reply_q
->name
,
1300 printk(MPT2SAS_ERR_FMT
"unable to allocate interrupt %d!\n",
1301 reply_q
->name
, vector
);
1306 INIT_LIST_HEAD(&reply_q
->list
);
1307 list_add_tail(&reply_q
->list
, &ioc
->reply_queue_list
);
1312 * _base_assign_reply_queues - assigning msix index for each cpu
1313 * @ioc: per adapter object
1315 * The enduser would need to set the affinity via /proc/irq/#/smp_affinity
1317 * It would nice if we could call irq_set_affinity, however it is not
1318 * an exported symbol
1321 _base_assign_reply_queues(struct MPT2SAS_ADAPTER
*ioc
)
1323 struct adapter_reply_queue
*reply_q
;
1325 int cpu_grouping
, loop
, grouping
, grouping_mod
;
1327 if (!_base_is_controller_msix_enabled(ioc
))
1330 memset(ioc
->cpu_msix_table
, 0, ioc
->cpu_msix_table_sz
);
1331 /* when there are more cpus than available msix vectors,
1332 * then group cpus togeather on same irq
1334 if (ioc
->cpu_count
> ioc
->msix_vector_count
) {
1335 grouping
= ioc
->cpu_count
/ ioc
->msix_vector_count
;
1336 grouping_mod
= ioc
->cpu_count
% ioc
->msix_vector_count
;
1337 if (grouping
< 2 || (grouping
== 2 && !grouping_mod
))
1339 else if (grouping
< 4 || (grouping
== 4 && !grouping_mod
))
1341 else if (grouping
< 8 || (grouping
== 8 && !grouping_mod
))
1349 reply_q
= list_entry(ioc
->reply_queue_list
.next
,
1350 struct adapter_reply_queue
, list
);
1351 for_each_online_cpu(cpu_id
) {
1352 if (!cpu_grouping
) {
1353 ioc
->cpu_msix_table
[cpu_id
] = reply_q
->msix_index
;
1354 reply_q
= list_entry(reply_q
->list
.next
,
1355 struct adapter_reply_queue
, list
);
1357 if (loop
< cpu_grouping
) {
1358 ioc
->cpu_msix_table
[cpu_id
] =
1359 reply_q
->msix_index
;
1362 reply_q
= list_entry(reply_q
->list
.next
,
1363 struct adapter_reply_queue
, list
);
1364 ioc
->cpu_msix_table
[cpu_id
] =
1365 reply_q
->msix_index
;
1373 * _base_disable_msix - disables msix
1374 * @ioc: per adapter object
1378 _base_disable_msix(struct MPT2SAS_ADAPTER
*ioc
)
1380 if (ioc
->msix_enable
) {
1381 pci_disable_msix(ioc
->pdev
);
1382 ioc
->msix_enable
= 0;
1387 * _base_enable_msix - enables msix, failback to io_apic
1388 * @ioc: per adapter object
1392 _base_enable_msix(struct MPT2SAS_ADAPTER
*ioc
)
1394 struct msix_entry
*entries
, *a
;
1399 INIT_LIST_HEAD(&ioc
->reply_queue_list
);
1401 if (msix_disable
== -1 || msix_disable
== 0)
1407 if (_base_check_enable_msix(ioc
) != 0)
1410 ioc
->reply_queue_count
= min_t(u8
, ioc
->cpu_count
,
1411 ioc
->msix_vector_count
);
1413 entries
= kcalloc(ioc
->reply_queue_count
, sizeof(struct msix_entry
),
1416 dfailprintk(ioc
, printk(MPT2SAS_INFO_FMT
"kcalloc "
1417 "failed @ at %s:%d/%s() !!!\n", ioc
->name
, __FILE__
,
1418 __LINE__
, __func__
));
1422 for (i
= 0, a
= entries
; i
< ioc
->reply_queue_count
; i
++, a
++)
1425 r
= pci_enable_msix(ioc
->pdev
, entries
, ioc
->reply_queue_count
);
1427 dfailprintk(ioc
, printk(MPT2SAS_INFO_FMT
"pci_enable_msix "
1428 "failed (r=%d) !!!\n", ioc
->name
, r
));
1433 ioc
->msix_enable
= 1;
1434 for (i
= 0, a
= entries
; i
< ioc
->reply_queue_count
; i
++, a
++) {
1435 r
= _base_request_irq(ioc
, i
, a
->vector
);
1437 _base_free_irq(ioc
);
1438 _base_disable_msix(ioc
);
1447 /* failback to io_apic interrupt routing */
1450 r
= _base_request_irq(ioc
, 0, ioc
->pdev
->irq
);
1456 * mpt2sas_base_map_resources - map in controller resources (io/irq/memap)
1457 * @ioc: per adapter object
1459 * Returns 0 for success, non-zero for failure.
1462 mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER
*ioc
)
1464 struct pci_dev
*pdev
= ioc
->pdev
;
1470 struct adapter_reply_queue
*reply_q
;
1472 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n",
1473 ioc
->name
, __func__
));
1475 ioc
->bars
= pci_select_bars(pdev
, IORESOURCE_MEM
);
1476 if (pci_enable_device_mem(pdev
)) {
1477 printk(MPT2SAS_WARN_FMT
"pci_enable_device_mem: "
1478 "failed\n", ioc
->name
);
1483 if (pci_request_selected_regions(pdev
, ioc
->bars
,
1484 MPT2SAS_DRIVER_NAME
)) {
1485 printk(MPT2SAS_WARN_FMT
"pci_request_selected_regions: "
1486 "failed\n", ioc
->name
);
1491 /* AER (Advanced Error Reporting) hooks */
1492 pci_enable_pcie_error_reporting(pdev
);
1494 pci_set_master(pdev
);
1496 if (_base_config_dma_addressing(ioc
, pdev
) != 0) {
1497 printk(MPT2SAS_WARN_FMT
"no suitable DMA mask for %s\n",
1498 ioc
->name
, pci_name(pdev
));
1503 for (i
= 0, memap_sz
= 0, pio_sz
= 0 ; i
< DEVICE_COUNT_RESOURCE
; i
++) {
1504 if (pci_resource_flags(pdev
, i
) & IORESOURCE_IO
) {
1507 pio_chip
= (u64
)pci_resource_start(pdev
, i
);
1508 pio_sz
= pci_resource_len(pdev
, i
);
1512 /* verify memory resource is valid before using */
1513 if (pci_resource_flags(pdev
, i
) & IORESOURCE_MEM
) {
1514 ioc
->chip_phys
= pci_resource_start(pdev
, i
);
1515 chip_phys
= (u64
)ioc
->chip_phys
;
1516 memap_sz
= pci_resource_len(pdev
, i
);
1517 ioc
->chip
= ioremap(ioc
->chip_phys
, memap_sz
);
1518 if (ioc
->chip
== NULL
) {
1519 printk(MPT2SAS_ERR_FMT
"unable to map "
1520 "adapter memory!\n", ioc
->name
);
1528 _base_mask_interrupts(ioc
);
1529 r
= _base_enable_msix(ioc
);
1533 list_for_each_entry(reply_q
, &ioc
->reply_queue_list
, list
)
1534 printk(MPT2SAS_INFO_FMT
"%s: IRQ %d\n",
1535 reply_q
->name
, ((ioc
->msix_enable
) ? "PCI-MSI-X enabled" :
1536 "IO-APIC enabled"), reply_q
->vector
);
1538 printk(MPT2SAS_INFO_FMT
"iomem(0x%016llx), mapped(0x%p), size(%d)\n",
1539 ioc
->name
, (unsigned long long)chip_phys
, ioc
->chip
, memap_sz
);
1540 printk(MPT2SAS_INFO_FMT
"ioport(0x%016llx), size(%d)\n",
1541 ioc
->name
, (unsigned long long)pio_chip
, pio_sz
);
1543 /* Save PCI configuration state for recovery from PCI AER/EEH errors */
1544 pci_save_state(pdev
);
1552 pci_release_selected_regions(ioc
->pdev
, ioc
->bars
);
1553 pci_disable_pcie_error_reporting(pdev
);
1554 pci_disable_device(pdev
);
1559 * mpt2sas_base_get_msg_frame - obtain request mf pointer
1560 * @ioc: per adapter object
1561 * @smid: system request message index(smid zero is invalid)
1563 * Returns virt pointer to message frame.
1566 mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1568 return (void *)(ioc
->request
+ (smid
* ioc
->request_sz
));
1572 * mpt2sas_base_get_sense_buffer - obtain a sense buffer assigned to a mf request
1573 * @ioc: per adapter object
1574 * @smid: system request message index
1576 * Returns virt pointer to sense buffer.
1579 mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1581 return (void *)(ioc
->sense
+ ((smid
- 1) * SCSI_SENSE_BUFFERSIZE
));
1585 * mpt2sas_base_get_sense_buffer_dma - obtain a sense buffer assigned to a mf request
1586 * @ioc: per adapter object
1587 * @smid: system request message index
1589 * Returns phys pointer to the low 32bit address of the sense buffer.
1592 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1594 return cpu_to_le32(ioc
->sense_dma
+
1595 ((smid
- 1) * SCSI_SENSE_BUFFERSIZE
));
1599 * mpt2sas_base_get_reply_virt_addr - obtain reply frames virt address
1600 * @ioc: per adapter object
1601 * @phys_addr: lower 32 physical addr of the reply
1603 * Converts 32bit lower physical addr into a virt address.
1606 mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER
*ioc
, u32 phys_addr
)
1610 return ioc
->reply
+ (phys_addr
- (u32
)ioc
->reply_dma
);
1614 * mpt2sas_base_get_smid - obtain a free smid from internal queue
1615 * @ioc: per adapter object
1616 * @cb_idx: callback index
1618 * Returns smid (zero is invalid)
1621 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER
*ioc
, u8 cb_idx
)
1623 unsigned long flags
;
1624 struct request_tracker
*request
;
1627 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1628 if (list_empty(&ioc
->internal_free_list
)) {
1629 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1630 printk(MPT2SAS_ERR_FMT
"%s: smid not available\n",
1631 ioc
->name
, __func__
);
1635 request
= list_entry(ioc
->internal_free_list
.next
,
1636 struct request_tracker
, tracker_list
);
1637 request
->cb_idx
= cb_idx
;
1638 smid
= request
->smid
;
1639 list_del(&request
->tracker_list
);
1640 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1645 * mpt2sas_base_get_smid_scsiio - obtain a free smid from scsiio queue
1646 * @ioc: per adapter object
1647 * @cb_idx: callback index
1648 * @scmd: pointer to scsi command object
1650 * Returns smid (zero is invalid)
1653 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER
*ioc
, u8 cb_idx
,
1654 struct scsi_cmnd
*scmd
)
1656 unsigned long flags
;
1657 struct scsiio_tracker
*request
;
1660 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1661 if (list_empty(&ioc
->free_list
)) {
1662 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1663 printk(MPT2SAS_ERR_FMT
"%s: smid not available\n",
1664 ioc
->name
, __func__
);
1668 request
= list_entry(ioc
->free_list
.next
,
1669 struct scsiio_tracker
, tracker_list
);
1670 request
->scmd
= scmd
;
1671 request
->cb_idx
= cb_idx
;
1672 smid
= request
->smid
;
1673 list_del(&request
->tracker_list
);
1674 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1679 * mpt2sas_base_get_smid_hpr - obtain a free smid from hi-priority queue
1680 * @ioc: per adapter object
1681 * @cb_idx: callback index
1683 * Returns smid (zero is invalid)
1686 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER
*ioc
, u8 cb_idx
)
1688 unsigned long flags
;
1689 struct request_tracker
*request
;
1692 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1693 if (list_empty(&ioc
->hpr_free_list
)) {
1694 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1698 request
= list_entry(ioc
->hpr_free_list
.next
,
1699 struct request_tracker
, tracker_list
);
1700 request
->cb_idx
= cb_idx
;
1701 smid
= request
->smid
;
1702 list_del(&request
->tracker_list
);
1703 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1709 * mpt2sas_base_free_smid - put smid back on free_list
1710 * @ioc: per adapter object
1711 * @smid: system request message index
1716 mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1718 unsigned long flags
;
1720 struct chain_tracker
*chain_req
, *next
;
1722 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1723 if (smid
< ioc
->hi_priority_smid
) {
1726 if (!list_empty(&ioc
->scsi_lookup
[i
].chain_list
)) {
1727 list_for_each_entry_safe(chain_req
, next
,
1728 &ioc
->scsi_lookup
[i
].chain_list
, tracker_list
) {
1729 list_del_init(&chain_req
->tracker_list
);
1730 list_add_tail(&chain_req
->tracker_list
,
1731 &ioc
->free_chain_list
);
1734 ioc
->scsi_lookup
[i
].cb_idx
= 0xFF;
1735 ioc
->scsi_lookup
[i
].scmd
= NULL
;
1736 ioc
->scsi_lookup
[i
].direct_io
= 0;
1737 list_add_tail(&ioc
->scsi_lookup
[i
].tracker_list
,
1739 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1742 * See _wait_for_commands_to_complete() call with regards
1745 if (ioc
->shost_recovery
&& ioc
->pending_io_count
) {
1746 if (ioc
->pending_io_count
== 1)
1747 wake_up(&ioc
->reset_wq
);
1748 ioc
->pending_io_count
--;
1751 } else if (smid
< ioc
->internal_smid
) {
1753 i
= smid
- ioc
->hi_priority_smid
;
1754 ioc
->hpr_lookup
[i
].cb_idx
= 0xFF;
1755 list_add_tail(&ioc
->hpr_lookup
[i
].tracker_list
,
1756 &ioc
->hpr_free_list
);
1757 } else if (smid
<= ioc
->hba_queue_depth
) {
1758 /* internal queue */
1759 i
= smid
- ioc
->internal_smid
;
1760 ioc
->internal_lookup
[i
].cb_idx
= 0xFF;
1761 list_add_tail(&ioc
->internal_lookup
[i
].tracker_list
,
1762 &ioc
->internal_free_list
);
1764 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1768 * _base_writeq - 64 bit write to MMIO
1769 * @ioc: per adapter object
1771 * @addr: address in MMIO space
1772 * @writeq_lock: spin lock
1774 * Glue for handling an atomic 64 bit word to MMIO. This special handling takes
1775 * care of 32 bit environment where its not quarenteed to send the entire word
1779 static inline void _base_writeq(__u64 b
, volatile void __iomem
*addr
,
1780 spinlock_t
*writeq_lock
)
1782 unsigned long flags
;
1783 __u64 data_out
= cpu_to_le64(b
);
1785 spin_lock_irqsave(writeq_lock
, flags
);
1786 writel((u32
)(data_out
), addr
);
1787 writel((u32
)(data_out
>> 32), (addr
+ 4));
1788 spin_unlock_irqrestore(writeq_lock
, flags
);
1791 static inline void _base_writeq(__u64 b
, volatile void __iomem
*addr
,
1792 spinlock_t
*writeq_lock
)
1794 writeq(cpu_to_le64(b
), addr
);
1799 _base_get_msix_index(struct MPT2SAS_ADAPTER
*ioc
)
1801 return ioc
->cpu_msix_table
[smp_processor_id()];
1805 * mpt2sas_base_put_smid_scsi_io - send SCSI_IO request to firmware
1806 * @ioc: per adapter object
1807 * @smid: system request message index
1808 * @handle: device handle
1813 mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u16 handle
)
1815 Mpi2RequestDescriptorUnion_t descriptor
;
1816 u64
*request
= (u64
*)&descriptor
;
1819 descriptor
.SCSIIO
.RequestFlags
= MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO
;
1820 descriptor
.SCSIIO
.MSIxIndex
= _base_get_msix_index(ioc
);
1821 descriptor
.SCSIIO
.SMID
= cpu_to_le16(smid
);
1822 descriptor
.SCSIIO
.DevHandle
= cpu_to_le16(handle
);
1823 descriptor
.SCSIIO
.LMID
= 0;
1824 _base_writeq(*request
, &ioc
->chip
->RequestDescriptorPostLow
,
1825 &ioc
->scsi_lookup_lock
);
1830 * mpt2sas_base_put_smid_hi_priority - send Task Management request to firmware
1831 * @ioc: per adapter object
1832 * @smid: system request message index
1837 mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1839 Mpi2RequestDescriptorUnion_t descriptor
;
1840 u64
*request
= (u64
*)&descriptor
;
1842 descriptor
.HighPriority
.RequestFlags
=
1843 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY
;
1844 descriptor
.HighPriority
.MSIxIndex
= 0;
1845 descriptor
.HighPriority
.SMID
= cpu_to_le16(smid
);
1846 descriptor
.HighPriority
.LMID
= 0;
1847 descriptor
.HighPriority
.Reserved1
= 0;
1848 _base_writeq(*request
, &ioc
->chip
->RequestDescriptorPostLow
,
1849 &ioc
->scsi_lookup_lock
);
1853 * mpt2sas_base_put_smid_default - Default, primarily used for config pages
1854 * @ioc: per adapter object
1855 * @smid: system request message index
1860 mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1862 Mpi2RequestDescriptorUnion_t descriptor
;
1863 u64
*request
= (u64
*)&descriptor
;
1865 descriptor
.Default
.RequestFlags
= MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE
;
1866 descriptor
.Default
.MSIxIndex
= _base_get_msix_index(ioc
);
1867 descriptor
.Default
.SMID
= cpu_to_le16(smid
);
1868 descriptor
.Default
.LMID
= 0;
1869 descriptor
.Default
.DescriptorTypeDependent
= 0;
1870 _base_writeq(*request
, &ioc
->chip
->RequestDescriptorPostLow
,
1871 &ioc
->scsi_lookup_lock
);
1875 * mpt2sas_base_put_smid_target_assist - send Target Assist/Status to firmware
1876 * @ioc: per adapter object
1877 * @smid: system request message index
1878 * @io_index: value used to track the IO
1883 mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
1886 Mpi2RequestDescriptorUnion_t descriptor
;
1887 u64
*request
= (u64
*)&descriptor
;
1889 descriptor
.SCSITarget
.RequestFlags
=
1890 MPI2_REQ_DESCRIPT_FLAGS_SCSI_TARGET
;
1891 descriptor
.SCSITarget
.MSIxIndex
= _base_get_msix_index(ioc
);
1892 descriptor
.SCSITarget
.SMID
= cpu_to_le16(smid
);
1893 descriptor
.SCSITarget
.LMID
= 0;
1894 descriptor
.SCSITarget
.IoIndex
= cpu_to_le16(io_index
);
1895 _base_writeq(*request
, &ioc
->chip
->RequestDescriptorPostLow
,
1896 &ioc
->scsi_lookup_lock
);
1900 * _base_display_dell_branding - Disply branding string
1901 * @ioc: per adapter object
1906 _base_display_dell_branding(struct MPT2SAS_ADAPTER
*ioc
)
1908 char dell_branding
[MPT2SAS_DELL_BRANDING_SIZE
];
1910 if (ioc
->pdev
->subsystem_vendor
!= PCI_VENDOR_ID_DELL
)
1913 memset(dell_branding
, 0, MPT2SAS_DELL_BRANDING_SIZE
);
1914 switch (ioc
->pdev
->subsystem_device
) {
1915 case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID
:
1916 strncpy(dell_branding
, MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING
,
1917 MPT2SAS_DELL_BRANDING_SIZE
- 1);
1919 case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID
:
1920 strncpy(dell_branding
, MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING
,
1921 MPT2SAS_DELL_BRANDING_SIZE
- 1);
1923 case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID
:
1924 strncpy(dell_branding
,
1925 MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING
,
1926 MPT2SAS_DELL_BRANDING_SIZE
- 1);
1928 case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID
:
1929 strncpy(dell_branding
,
1930 MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING
,
1931 MPT2SAS_DELL_BRANDING_SIZE
- 1);
1933 case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID
:
1934 strncpy(dell_branding
,
1935 MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING
,
1936 MPT2SAS_DELL_BRANDING_SIZE
- 1);
1938 case MPT2SAS_DELL_PERC_H200_SSDID
:
1939 strncpy(dell_branding
, MPT2SAS_DELL_PERC_H200_BRANDING
,
1940 MPT2SAS_DELL_BRANDING_SIZE
- 1);
1942 case MPT2SAS_DELL_6GBPS_SAS_SSDID
:
1943 strncpy(dell_branding
, MPT2SAS_DELL_6GBPS_SAS_BRANDING
,
1944 MPT2SAS_DELL_BRANDING_SIZE
- 1);
1947 sprintf(dell_branding
, "0x%4X", ioc
->pdev
->subsystem_device
);
1951 printk(MPT2SAS_INFO_FMT
"%s: Vendor(0x%04X), Device(0x%04X),"
1952 " SSVID(0x%04X), SSDID(0x%04X)\n", ioc
->name
, dell_branding
,
1953 ioc
->pdev
->vendor
, ioc
->pdev
->device
, ioc
->pdev
->subsystem_vendor
,
1954 ioc
->pdev
->subsystem_device
);
1958 * _base_display_intel_branding - Display branding string
1959 * @ioc: per adapter object
1964 _base_display_intel_branding(struct MPT2SAS_ADAPTER
*ioc
)
1966 if (ioc
->pdev
->subsystem_vendor
!= PCI_VENDOR_ID_INTEL
)
1969 switch (ioc
->pdev
->device
) {
1970 case MPI2_MFGPAGE_DEVID_SAS2008
:
1971 switch (ioc
->pdev
->subsystem_device
) {
1972 case MPT2SAS_INTEL_RMS2LL080_SSDID
:
1973 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1974 MPT2SAS_INTEL_RMS2LL080_BRANDING
);
1976 case MPT2SAS_INTEL_RMS2LL040_SSDID
:
1977 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1978 MPT2SAS_INTEL_RMS2LL040_BRANDING
);
1980 case MPT2SAS_INTEL_RAMSDALE_SSDID
:
1981 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1982 MPT2SAS_INTEL_RAMSDALE_BRANDING
);
1987 case MPI2_MFGPAGE_DEVID_SAS2308_2
:
1988 switch (ioc
->pdev
->subsystem_device
) {
1989 case MPT2SAS_INTEL_RS25GB008_SSDID
:
1990 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1991 MPT2SAS_INTEL_RS25GB008_BRANDING
);
1993 case MPT2SAS_INTEL_RMS25JB080_SSDID
:
1994 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1995 MPT2SAS_INTEL_RMS25JB080_BRANDING
);
1997 case MPT2SAS_INTEL_RMS25JB040_SSDID
:
1998 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
1999 MPT2SAS_INTEL_RMS25JB040_BRANDING
);
2001 case MPT2SAS_INTEL_RMS25KB080_SSDID
:
2002 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2003 MPT2SAS_INTEL_RMS25KB080_BRANDING
);
2005 case MPT2SAS_INTEL_RMS25KB040_SSDID
:
2006 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2007 MPT2SAS_INTEL_RMS25KB040_BRANDING
);
2018 * _base_display_hp_branding - Display branding string
2019 * @ioc: per adapter object
2024 _base_display_hp_branding(struct MPT2SAS_ADAPTER
*ioc
)
2026 if (ioc
->pdev
->subsystem_vendor
!= MPT2SAS_HP_3PAR_SSVID
)
2029 switch (ioc
->pdev
->device
) {
2030 case MPI2_MFGPAGE_DEVID_SAS2004
:
2031 switch (ioc
->pdev
->subsystem_device
) {
2032 case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID
:
2033 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2034 MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING
);
2039 case MPI2_MFGPAGE_DEVID_SAS2308_2
:
2040 switch (ioc
->pdev
->subsystem_device
) {
2041 case MPT2SAS_HP_2_4_INTERNAL_SSDID
:
2042 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2043 MPT2SAS_HP_2_4_INTERNAL_BRANDING
);
2045 case MPT2SAS_HP_2_4_EXTERNAL_SSDID
:
2046 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2047 MPT2SAS_HP_2_4_EXTERNAL_BRANDING
);
2049 case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID
:
2050 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2051 MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING
);
2053 case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID
:
2054 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2055 MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING
);
2066 * _base_display_ioc_capabilities - Disply IOC's capabilities.
2067 * @ioc: per adapter object
2072 _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER
*ioc
)
2077 u32 iounit_pg1_flags
;
2080 bios_version
= le32_to_cpu(ioc
->bios_pg3
.BiosVersion
);
2081 pci_read_config_byte(ioc
->pdev
, PCI_CLASS_REVISION
, &revision
);
2082 strncpy(desc
, ioc
->manu_pg0
.ChipName
, 16);
2083 printk(MPT2SAS_INFO_FMT
"%s: FWVersion(%02d.%02d.%02d.%02d), "
2084 "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n",
2086 (ioc
->facts
.FWVersion
.Word
& 0xFF000000) >> 24,
2087 (ioc
->facts
.FWVersion
.Word
& 0x00FF0000) >> 16,
2088 (ioc
->facts
.FWVersion
.Word
& 0x0000FF00) >> 8,
2089 ioc
->facts
.FWVersion
.Word
& 0x000000FF,
2091 (bios_version
& 0xFF000000) >> 24,
2092 (bios_version
& 0x00FF0000) >> 16,
2093 (bios_version
& 0x0000FF00) >> 8,
2094 bios_version
& 0x000000FF);
2096 _base_display_dell_branding(ioc
);
2097 _base_display_intel_branding(ioc
);
2098 _base_display_hp_branding(ioc
);
2100 printk(MPT2SAS_INFO_FMT
"Protocol=(", ioc
->name
);
2102 if (ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR
) {
2103 printk("Initiator");
2107 if (ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_TARGET
) {
2108 printk("%sTarget", i
? "," : "");
2114 printk("Capabilities=(");
2116 if (!ioc
->hide_ir_msg
) {
2117 if (ioc
->facts
.IOCCapabilities
&
2118 MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID
) {
2124 if (ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_TLR
) {
2125 printk("%sTLR", i
? "," : "");
2129 if (ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_MULTICAST
) {
2130 printk("%sMulticast", i
? "," : "");
2134 if (ioc
->facts
.IOCCapabilities
&
2135 MPI2_IOCFACTS_CAPABILITY_BIDIRECTIONAL_TARGET
) {
2136 printk("%sBIDI Target", i
? "," : "");
2140 if (ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_EEDP
) {
2141 printk("%sEEDP", i
? "," : "");
2145 if (ioc
->facts
.IOCCapabilities
&
2146 MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER
) {
2147 printk("%sSnapshot Buffer", i
? "," : "");
2151 if (ioc
->facts
.IOCCapabilities
&
2152 MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER
) {
2153 printk("%sDiag Trace Buffer", i
? "," : "");
2157 if (ioc
->facts
.IOCCapabilities
&
2158 MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER
) {
2159 printk(KERN_INFO
"%sDiag Extended Buffer", i
? "," : "");
2163 if (ioc
->facts
.IOCCapabilities
&
2164 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING
) {
2165 printk("%sTask Set Full", i
? "," : "");
2169 iounit_pg1_flags
= le32_to_cpu(ioc
->iounit_pg1
.Flags
);
2170 if (!(iounit_pg1_flags
& MPI2_IOUNITPAGE1_NATIVE_COMMAND_Q_DISABLE
)) {
2171 printk("%sNCQ", i
? "," : "");
2179 * _base_update_missing_delay - change the missing delay timers
2180 * @ioc: per adapter object
2181 * @device_missing_delay: amount of time till device is reported missing
2182 * @io_missing_delay: interval IO is returned when there is a missing device
2186 * Passed on the command line, this function will modify the device missing
2187 * delay, as well as the io missing delay. This should be called at driver
2191 _base_update_missing_delay(struct MPT2SAS_ADAPTER
*ioc
,
2192 u16 device_missing_delay
, u8 io_missing_delay
)
2194 u16 dmd
, dmd_new
, dmd_orignal
;
2195 u8 io_missing_delay_original
;
2197 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
2198 Mpi2ConfigReply_t mpi_reply
;
2202 mpt2sas_config_get_number_hba_phys(ioc
, &num_phys
);
2206 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (num_phys
*
2207 sizeof(Mpi2SasIOUnit1PhyData_t
));
2208 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
2209 if (!sas_iounit_pg1
) {
2210 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
2211 ioc
->name
, __FILE__
, __LINE__
, __func__
);
2214 if ((mpt2sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
2215 sas_iounit_pg1
, sz
))) {
2216 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
2217 ioc
->name
, __FILE__
, __LINE__
, __func__
);
2220 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
2221 MPI2_IOCSTATUS_MASK
;
2222 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
2223 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
2224 ioc
->name
, __FILE__
, __LINE__
, __func__
);
2228 /* device missing delay */
2229 dmd
= sas_iounit_pg1
->ReportDeviceMissingDelay
;
2230 if (dmd
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
2231 dmd
= (dmd
& MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
2233 dmd
= dmd
& MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
2235 if (device_missing_delay
> 0x7F) {
2236 dmd
= (device_missing_delay
> 0x7F0) ? 0x7F0 :
2237 device_missing_delay
;
2239 dmd
|= MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
;
2241 dmd
= device_missing_delay
;
2242 sas_iounit_pg1
->ReportDeviceMissingDelay
= dmd
;
2244 /* io missing delay */
2245 io_missing_delay_original
= sas_iounit_pg1
->IODeviceMissingDelay
;
2246 sas_iounit_pg1
->IODeviceMissingDelay
= io_missing_delay
;
2248 if (!mpt2sas_config_set_sas_iounit_pg1(ioc
, &mpi_reply
, sas_iounit_pg1
,
2250 if (dmd
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
2252 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
2255 dmd
& MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
2256 printk(MPT2SAS_INFO_FMT
"device_missing_delay: old(%d), "
2257 "new(%d)\n", ioc
->name
, dmd_orignal
, dmd_new
);
2258 printk(MPT2SAS_INFO_FMT
"ioc_missing_delay: old(%d), "
2259 "new(%d)\n", ioc
->name
, io_missing_delay_original
,
2261 ioc
->device_missing_delay
= dmd_new
;
2262 ioc
->io_missing_delay
= io_missing_delay
;
2266 kfree(sas_iounit_pg1
);
2270 * _base_static_config_pages - static start of day config pages
2271 * @ioc: per adapter object
2276 _base_static_config_pages(struct MPT2SAS_ADAPTER
*ioc
)
2278 Mpi2ConfigReply_t mpi_reply
;
2279 u32 iounit_pg1_flags
;
2281 mpt2sas_config_get_manufacturing_pg0(ioc
, &mpi_reply
, &ioc
->manu_pg0
);
2282 if (ioc
->ir_firmware
)
2283 mpt2sas_config_get_manufacturing_pg10(ioc
, &mpi_reply
,
2285 mpt2sas_config_get_bios_pg2(ioc
, &mpi_reply
, &ioc
->bios_pg2
);
2286 mpt2sas_config_get_bios_pg3(ioc
, &mpi_reply
, &ioc
->bios_pg3
);
2287 mpt2sas_config_get_ioc_pg8(ioc
, &mpi_reply
, &ioc
->ioc_pg8
);
2288 mpt2sas_config_get_iounit_pg0(ioc
, &mpi_reply
, &ioc
->iounit_pg0
);
2289 mpt2sas_config_get_iounit_pg1(ioc
, &mpi_reply
, &ioc
->iounit_pg1
);
2290 _base_display_ioc_capabilities(ioc
);
2293 * Enable task_set_full handling in iounit_pg1 when the
2294 * facts capabilities indicate that its supported.
2296 iounit_pg1_flags
= le32_to_cpu(ioc
->iounit_pg1
.Flags
);
2297 if ((ioc
->facts
.IOCCapabilities
&
2298 MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING
))
2300 ~MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING
;
2303 MPI2_IOUNITPAGE1_DISABLE_TASK_SET_FULL_HANDLING
;
2304 ioc
->iounit_pg1
.Flags
= cpu_to_le32(iounit_pg1_flags
);
2305 mpt2sas_config_set_iounit_pg1(ioc
, &mpi_reply
, &ioc
->iounit_pg1
);
2310 * _base_release_memory_pools - release memory
2311 * @ioc: per adapter object
2313 * Free memory allocated from _base_allocate_memory_pools.
2318 _base_release_memory_pools(struct MPT2SAS_ADAPTER
*ioc
)
2322 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2326 pci_free_consistent(ioc
->pdev
, ioc
->request_dma_sz
,
2327 ioc
->request
, ioc
->request_dma
);
2328 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"request_pool(0x%p)"
2329 ": free\n", ioc
->name
, ioc
->request
));
2330 ioc
->request
= NULL
;
2334 pci_pool_free(ioc
->sense_dma_pool
, ioc
->sense
, ioc
->sense_dma
);
2335 if (ioc
->sense_dma_pool
)
2336 pci_pool_destroy(ioc
->sense_dma_pool
);
2337 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sense_pool(0x%p)"
2338 ": free\n", ioc
->name
, ioc
->sense
));
2343 pci_pool_free(ioc
->reply_dma_pool
, ioc
->reply
, ioc
->reply_dma
);
2344 if (ioc
->reply_dma_pool
)
2345 pci_pool_destroy(ioc
->reply_dma_pool
);
2346 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"reply_pool(0x%p)"
2347 ": free\n", ioc
->name
, ioc
->reply
));
2351 if (ioc
->reply_free
) {
2352 pci_pool_free(ioc
->reply_free_dma_pool
, ioc
->reply_free
,
2353 ioc
->reply_free_dma
);
2354 if (ioc
->reply_free_dma_pool
)
2355 pci_pool_destroy(ioc
->reply_free_dma_pool
);
2356 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"reply_free_pool"
2357 "(0x%p): free\n", ioc
->name
, ioc
->reply_free
));
2358 ioc
->reply_free
= NULL
;
2361 if (ioc
->reply_post_free
) {
2362 pci_pool_free(ioc
->reply_post_free_dma_pool
,
2363 ioc
->reply_post_free
, ioc
->reply_post_free_dma
);
2364 if (ioc
->reply_post_free_dma_pool
)
2365 pci_pool_destroy(ioc
->reply_post_free_dma_pool
);
2366 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
2367 "reply_post_free_pool(0x%p): free\n", ioc
->name
,
2368 ioc
->reply_post_free
));
2369 ioc
->reply_post_free
= NULL
;
2372 if (ioc
->config_page
) {
2373 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
2374 "config_page(0x%p): free\n", ioc
->name
,
2376 pci_free_consistent(ioc
->pdev
, ioc
->config_page_sz
,
2377 ioc
->config_page
, ioc
->config_page_dma
);
2380 if (ioc
->scsi_lookup
) {
2381 free_pages((ulong
)ioc
->scsi_lookup
, ioc
->scsi_lookup_pages
);
2382 ioc
->scsi_lookup
= NULL
;
2384 kfree(ioc
->hpr_lookup
);
2385 kfree(ioc
->internal_lookup
);
2386 if (ioc
->chain_lookup
) {
2387 for (i
= 0; i
< ioc
->chain_depth
; i
++) {
2388 if (ioc
->chain_lookup
[i
].chain_buffer
)
2389 pci_pool_free(ioc
->chain_dma_pool
,
2390 ioc
->chain_lookup
[i
].chain_buffer
,
2391 ioc
->chain_lookup
[i
].chain_buffer_dma
);
2393 if (ioc
->chain_dma_pool
)
2394 pci_pool_destroy(ioc
->chain_dma_pool
);
2395 free_pages((ulong
)ioc
->chain_lookup
, ioc
->chain_pages
);
2396 ioc
->chain_lookup
= NULL
;
2402 * _base_allocate_memory_pools - allocate start of day memory pools
2403 * @ioc: per adapter object
2404 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2406 * Returns 0 success, anything else error
2409 _base_allocate_memory_pools(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
)
2411 struct mpt2sas_facts
*facts
;
2412 u16 max_sge_elements
;
2413 u16 chains_needed_per_io
;
2414 u32 sz
, total_sz
, reply_post_free_sz
;
2416 u16 max_request_credit
;
2419 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
2423 facts
= &ioc
->facts
;
2425 /* command line tunables for max sgl entries */
2426 if (max_sgl_entries
!= -1) {
2427 ioc
->shost
->sg_tablesize
= (max_sgl_entries
<
2428 MPT2SAS_SG_DEPTH
) ? max_sgl_entries
:
2431 ioc
->shost
->sg_tablesize
= MPT2SAS_SG_DEPTH
;
2434 /* command line tunables for max controller queue depth */
2435 if (max_queue_depth
!= -1)
2436 max_request_credit
= (max_queue_depth
< facts
->RequestCredit
)
2437 ? max_queue_depth
: facts
->RequestCredit
;
2439 max_request_credit
= min_t(u16
, facts
->RequestCredit
,
2440 MAX_HBA_QUEUE_DEPTH
);
2442 ioc
->hba_queue_depth
= max_request_credit
;
2443 ioc
->hi_priority_depth
= facts
->HighPriorityCredit
;
2444 ioc
->internal_depth
= ioc
->hi_priority_depth
+ 5;
2446 /* request frame size */
2447 ioc
->request_sz
= facts
->IOCRequestFrameSize
* 4;
2449 /* reply frame size */
2450 ioc
->reply_sz
= facts
->ReplyFrameSize
* 4;
2454 /* calculate number of sg elements left over in the 1st frame */
2455 max_sge_elements
= ioc
->request_sz
- ((sizeof(Mpi2SCSIIORequest_t
) -
2456 sizeof(Mpi2SGEIOUnion_t
)) + ioc
->sge_size
);
2457 ioc
->max_sges_in_main_message
= max_sge_elements
/ioc
->sge_size
;
2459 /* now do the same for a chain buffer */
2460 max_sge_elements
= ioc
->request_sz
- ioc
->sge_size
;
2461 ioc
->max_sges_in_chain_message
= max_sge_elements
/ioc
->sge_size
;
2463 ioc
->chain_offset_value_for_main_message
=
2464 ((sizeof(Mpi2SCSIIORequest_t
) - sizeof(Mpi2SGEIOUnion_t
)) +
2465 (ioc
->max_sges_in_chain_message
* ioc
->sge_size
)) / 4;
2468 * MPT2SAS_SG_DEPTH = CONFIG_FUSION_MAX_SGE
2470 chains_needed_per_io
= ((ioc
->shost
->sg_tablesize
-
2471 ioc
->max_sges_in_main_message
)/ioc
->max_sges_in_chain_message
)
2473 if (chains_needed_per_io
> facts
->MaxChainDepth
) {
2474 chains_needed_per_io
= facts
->MaxChainDepth
;
2475 ioc
->shost
->sg_tablesize
= min_t(u16
,
2476 ioc
->max_sges_in_main_message
+ (ioc
->max_sges_in_chain_message
2477 * chains_needed_per_io
), ioc
->shost
->sg_tablesize
);
2479 ioc
->chains_needed_per_io
= chains_needed_per_io
;
2481 /* reply free queue sizing - taking into account for 64 FW events */
2482 ioc
->reply_free_queue_depth
= ioc
->hba_queue_depth
+ 64;
2484 /* align the reply post queue on the next 16 count boundary */
2485 if (!ioc
->reply_free_queue_depth
% 16)
2486 ioc
->reply_post_queue_depth
= ioc
->reply_free_queue_depth
+ 16;
2488 ioc
->reply_post_queue_depth
= ioc
->reply_free_queue_depth
+
2489 32 - (ioc
->reply_free_queue_depth
% 16);
2490 if (ioc
->reply_post_queue_depth
>
2491 facts
->MaxReplyDescriptorPostQueueDepth
) {
2492 ioc
->reply_post_queue_depth
= min_t(u16
,
2493 (facts
->MaxReplyDescriptorPostQueueDepth
-
2494 (facts
->MaxReplyDescriptorPostQueueDepth
% 16)),
2495 (ioc
->hba_queue_depth
- (ioc
->hba_queue_depth
% 16)));
2496 ioc
->reply_free_queue_depth
= ioc
->reply_post_queue_depth
- 16;
2497 ioc
->hba_queue_depth
= ioc
->reply_free_queue_depth
- 64;
2501 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"scatter gather: "
2502 "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), "
2503 "chains_per_io(%d)\n", ioc
->name
, ioc
->max_sges_in_main_message
,
2504 ioc
->max_sges_in_chain_message
, ioc
->shost
->sg_tablesize
,
2505 ioc
->chains_needed_per_io
));
2507 ioc
->scsiio_depth
= ioc
->hba_queue_depth
-
2508 ioc
->hi_priority_depth
- ioc
->internal_depth
;
2510 /* set the scsi host can_queue depth
2511 * with some internal commands that could be outstanding
2513 ioc
->shost
->can_queue
= ioc
->scsiio_depth
- (2);
2514 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"scsi host: "
2515 "can_queue depth (%d)\n", ioc
->name
, ioc
->shost
->can_queue
));
2517 /* contiguous pool for request and chains, 16 byte align, one extra "
2520 ioc
->chain_depth
= ioc
->chains_needed_per_io
* ioc
->scsiio_depth
;
2521 sz
= ((ioc
->scsiio_depth
+ 1) * ioc
->request_sz
);
2523 /* hi-priority queue */
2524 sz
+= (ioc
->hi_priority_depth
* ioc
->request_sz
);
2526 /* internal queue */
2527 sz
+= (ioc
->internal_depth
* ioc
->request_sz
);
2529 ioc
->request_dma_sz
= sz
;
2530 ioc
->request
= pci_alloc_consistent(ioc
->pdev
, sz
, &ioc
->request_dma
);
2531 if (!ioc
->request
) {
2532 printk(MPT2SAS_ERR_FMT
"request pool: pci_alloc_consistent "
2533 "failed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
2534 "total(%d kB)\n", ioc
->name
, ioc
->hba_queue_depth
,
2535 ioc
->chains_needed_per_io
, ioc
->request_sz
, sz
/1024);
2536 if (ioc
->scsiio_depth
< MPT2SAS_SAS_QUEUE_DEPTH
)
2539 ioc
->hba_queue_depth
= max_request_credit
- retry_sz
;
2540 goto retry_allocation
;
2544 printk(MPT2SAS_ERR_FMT
"request pool: pci_alloc_consistent "
2545 "succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), "
2546 "total(%d kb)\n", ioc
->name
, ioc
->hba_queue_depth
,
2547 ioc
->chains_needed_per_io
, ioc
->request_sz
, sz
/1024);
2550 /* hi-priority queue */
2551 ioc
->hi_priority
= ioc
->request
+ ((ioc
->scsiio_depth
+ 1) *
2553 ioc
->hi_priority_dma
= ioc
->request_dma
+ ((ioc
->scsiio_depth
+ 1) *
2556 /* internal queue */
2557 ioc
->internal
= ioc
->hi_priority
+ (ioc
->hi_priority_depth
*
2559 ioc
->internal_dma
= ioc
->hi_priority_dma
+ (ioc
->hi_priority_depth
*
2563 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"request pool(0x%p): "
2564 "depth(%d), frame_size(%d), pool_size(%d kB)\n", ioc
->name
,
2565 ioc
->request
, ioc
->hba_queue_depth
, ioc
->request_sz
,
2566 (ioc
->hba_queue_depth
* ioc
->request_sz
)/1024));
2567 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"request pool: dma(0x%llx)\n",
2568 ioc
->name
, (unsigned long long) ioc
->request_dma
));
2571 sz
= ioc
->scsiio_depth
* sizeof(struct scsiio_tracker
);
2572 ioc
->scsi_lookup_pages
= get_order(sz
);
2573 ioc
->scsi_lookup
= (struct scsiio_tracker
*)__get_free_pages(
2574 GFP_KERNEL
, ioc
->scsi_lookup_pages
);
2575 if (!ioc
->scsi_lookup
) {
2576 printk(MPT2SAS_ERR_FMT
"scsi_lookup: get_free_pages failed, "
2577 "sz(%d)\n", ioc
->name
, (int)sz
);
2581 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"scsiio(0x%p): "
2582 "depth(%d)\n", ioc
->name
, ioc
->request
,
2583 ioc
->scsiio_depth
));
2585 ioc
->chain_depth
= min_t(u32
, ioc
->chain_depth
, MAX_CHAIN_DEPTH
);
2586 sz
= ioc
->chain_depth
* sizeof(struct chain_tracker
);
2587 ioc
->chain_pages
= get_order(sz
);
2589 ioc
->chain_lookup
= (struct chain_tracker
*)__get_free_pages(
2590 GFP_KERNEL
, ioc
->chain_pages
);
2591 ioc
->chain_dma_pool
= pci_pool_create("chain pool", ioc
->pdev
,
2592 ioc
->request_sz
, 16, 0);
2593 if (!ioc
->chain_dma_pool
) {
2594 printk(MPT2SAS_ERR_FMT
"chain_dma_pool: pci_pool_create "
2595 "failed\n", ioc
->name
);
2598 for (i
= 0; i
< ioc
->chain_depth
; i
++) {
2599 ioc
->chain_lookup
[i
].chain_buffer
= pci_pool_alloc(
2600 ioc
->chain_dma_pool
, GFP_KERNEL
,
2601 &ioc
->chain_lookup
[i
].chain_buffer_dma
);
2602 if (!ioc
->chain_lookup
[i
].chain_buffer
) {
2603 ioc
->chain_depth
= i
;
2606 total_sz
+= ioc
->request_sz
;
2609 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"chain pool depth"
2610 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc
->name
,
2611 ioc
->chain_depth
, ioc
->request_sz
, ((ioc
->chain_depth
*
2612 ioc
->request_sz
))/1024));
2614 /* initialize hi-priority queue smid's */
2615 ioc
->hpr_lookup
= kcalloc(ioc
->hi_priority_depth
,
2616 sizeof(struct request_tracker
), GFP_KERNEL
);
2617 if (!ioc
->hpr_lookup
) {
2618 printk(MPT2SAS_ERR_FMT
"hpr_lookup: kcalloc failed\n",
2622 ioc
->hi_priority_smid
= ioc
->scsiio_depth
+ 1;
2623 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"hi_priority(0x%p): "
2624 "depth(%d), start smid(%d)\n", ioc
->name
, ioc
->hi_priority
,
2625 ioc
->hi_priority_depth
, ioc
->hi_priority_smid
));
2627 /* initialize internal queue smid's */
2628 ioc
->internal_lookup
= kcalloc(ioc
->internal_depth
,
2629 sizeof(struct request_tracker
), GFP_KERNEL
);
2630 if (!ioc
->internal_lookup
) {
2631 printk(MPT2SAS_ERR_FMT
"internal_lookup: kcalloc failed\n",
2635 ioc
->internal_smid
= ioc
->hi_priority_smid
+ ioc
->hi_priority_depth
;
2636 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"internal(0x%p): "
2637 "depth(%d), start smid(%d)\n", ioc
->name
, ioc
->internal
,
2638 ioc
->internal_depth
, ioc
->internal_smid
));
2640 /* sense buffers, 4 byte align */
2641 sz
= ioc
->scsiio_depth
* SCSI_SENSE_BUFFERSIZE
;
2642 ioc
->sense_dma_pool
= pci_pool_create("sense pool", ioc
->pdev
, sz
, 4,
2644 if (!ioc
->sense_dma_pool
) {
2645 printk(MPT2SAS_ERR_FMT
"sense pool: pci_pool_create failed\n",
2649 ioc
->sense
= pci_pool_alloc(ioc
->sense_dma_pool
, GFP_KERNEL
,
2652 printk(MPT2SAS_ERR_FMT
"sense pool: pci_pool_alloc failed\n",
2656 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
2657 "sense pool(0x%p): depth(%d), element_size(%d), pool_size"
2658 "(%d kB)\n", ioc
->name
, ioc
->sense
, ioc
->scsiio_depth
,
2659 SCSI_SENSE_BUFFERSIZE
, sz
/1024));
2660 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sense_dma(0x%llx)\n",
2661 ioc
->name
, (unsigned long long)ioc
->sense_dma
));
2664 /* reply pool, 4 byte align */
2665 sz
= ioc
->reply_free_queue_depth
* ioc
->reply_sz
;
2666 ioc
->reply_dma_pool
= pci_pool_create("reply pool", ioc
->pdev
, sz
, 4,
2668 if (!ioc
->reply_dma_pool
) {
2669 printk(MPT2SAS_ERR_FMT
"reply pool: pci_pool_create failed\n",
2673 ioc
->reply
= pci_pool_alloc(ioc
->reply_dma_pool
, GFP_KERNEL
,
2676 printk(MPT2SAS_ERR_FMT
"reply pool: pci_pool_alloc failed\n",
2680 ioc
->reply_dma_min_address
= (u32
)(ioc
->reply_dma
);
2681 ioc
->reply_dma_max_address
= (u32
)(ioc
->reply_dma
) + sz
;
2682 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"reply pool(0x%p): depth"
2683 "(%d), frame_size(%d), pool_size(%d kB)\n", ioc
->name
, ioc
->reply
,
2684 ioc
->reply_free_queue_depth
, ioc
->reply_sz
, sz
/1024));
2685 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"reply_dma(0x%llx)\n",
2686 ioc
->name
, (unsigned long long)ioc
->reply_dma
));
2689 /* reply free queue, 16 byte align */
2690 sz
= ioc
->reply_free_queue_depth
* 4;
2691 ioc
->reply_free_dma_pool
= pci_pool_create("reply_free pool",
2692 ioc
->pdev
, sz
, 16, 0);
2693 if (!ioc
->reply_free_dma_pool
) {
2694 printk(MPT2SAS_ERR_FMT
"reply_free pool: pci_pool_create "
2695 "failed\n", ioc
->name
);
2698 ioc
->reply_free
= pci_pool_alloc(ioc
->reply_free_dma_pool
, GFP_KERNEL
,
2699 &ioc
->reply_free_dma
);
2700 if (!ioc
->reply_free
) {
2701 printk(MPT2SAS_ERR_FMT
"reply_free pool: pci_pool_alloc "
2702 "failed\n", ioc
->name
);
2705 memset(ioc
->reply_free
, 0, sz
);
2706 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"reply_free pool(0x%p): "
2707 "depth(%d), element_size(%d), pool_size(%d kB)\n", ioc
->name
,
2708 ioc
->reply_free
, ioc
->reply_free_queue_depth
, 4, sz
/1024));
2709 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"reply_free_dma"
2710 "(0x%llx)\n", ioc
->name
, (unsigned long long)ioc
->reply_free_dma
));
2713 /* reply post queue, 16 byte align */
2714 reply_post_free_sz
= ioc
->reply_post_queue_depth
*
2715 sizeof(Mpi2DefaultReplyDescriptor_t
);
2716 if (_base_is_controller_msix_enabled(ioc
))
2717 sz
= reply_post_free_sz
* ioc
->reply_queue_count
;
2719 sz
= reply_post_free_sz
;
2720 ioc
->reply_post_free_dma_pool
= pci_pool_create("reply_post_free pool",
2721 ioc
->pdev
, sz
, 16, 0);
2722 if (!ioc
->reply_post_free_dma_pool
) {
2723 printk(MPT2SAS_ERR_FMT
"reply_post_free pool: pci_pool_create "
2724 "failed\n", ioc
->name
);
2727 ioc
->reply_post_free
= pci_pool_alloc(ioc
->reply_post_free_dma_pool
,
2728 GFP_KERNEL
, &ioc
->reply_post_free_dma
);
2729 if (!ioc
->reply_post_free
) {
2730 printk(MPT2SAS_ERR_FMT
"reply_post_free pool: pci_pool_alloc "
2731 "failed\n", ioc
->name
);
2734 memset(ioc
->reply_post_free
, 0, sz
);
2735 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"reply post free pool"
2736 "(0x%p): depth(%d), element_size(%d), pool_size(%d kB)\n",
2737 ioc
->name
, ioc
->reply_post_free
, ioc
->reply_post_queue_depth
, 8,
2739 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"reply_post_free_dma = "
2740 "(0x%llx)\n", ioc
->name
, (unsigned long long)
2741 ioc
->reply_post_free_dma
));
2744 ioc
->config_page_sz
= 512;
2745 ioc
->config_page
= pci_alloc_consistent(ioc
->pdev
,
2746 ioc
->config_page_sz
, &ioc
->config_page_dma
);
2747 if (!ioc
->config_page
) {
2748 printk(MPT2SAS_ERR_FMT
"config page: pci_pool_alloc "
2749 "failed\n", ioc
->name
);
2752 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"config page(0x%p): size"
2753 "(%d)\n", ioc
->name
, ioc
->config_page
, ioc
->config_page_sz
));
2754 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"config_page_dma"
2755 "(0x%llx)\n", ioc
->name
, (unsigned long long)ioc
->config_page_dma
));
2756 total_sz
+= ioc
->config_page_sz
;
2758 printk(MPT2SAS_INFO_FMT
"Allocated physical memory: size(%d kB)\n",
2759 ioc
->name
, total_sz
/1024);
2760 printk(MPT2SAS_INFO_FMT
"Current Controller Queue Depth(%d), "
2761 "Max Controller Queue Depth(%d)\n",
2762 ioc
->name
, ioc
->shost
->can_queue
, facts
->RequestCredit
);
2763 printk(MPT2SAS_INFO_FMT
"Scatter Gather Elements per IO(%d)\n",
2764 ioc
->name
, ioc
->shost
->sg_tablesize
);
2773 * mpt2sas_base_get_iocstate - Get the current state of a MPT adapter.
2774 * @ioc: Pointer to MPT_ADAPTER structure
2775 * @cooked: Request raw or cooked IOC state
2777 * Returns all IOC Doorbell register bits if cooked==0, else just the
2778 * Doorbell bits in MPI_IOC_STATE_MASK.
2781 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER
*ioc
, int cooked
)
2785 s
= readl(&ioc
->chip
->Doorbell
);
2786 sc
= s
& MPI2_IOC_STATE_MASK
;
2787 return cooked
? sc
: s
;
2791 * _base_wait_on_iocstate - waiting on a particular ioc state
2792 * @ioc_state: controller state { READY, OPERATIONAL, or RESET }
2793 * @timeout: timeout in second
2794 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2796 * Returns 0 for success, non-zero for failure.
2799 _base_wait_on_iocstate(struct MPT2SAS_ADAPTER
*ioc
, u32 ioc_state
, int timeout
,
2806 cntdn
= (sleep_flag
== CAN_SLEEP
) ? 1000*timeout
: 2000*timeout
;
2808 current_state
= mpt2sas_base_get_iocstate(ioc
, 1);
2809 if (current_state
== ioc_state
)
2811 if (count
&& current_state
== MPI2_IOC_STATE_FAULT
)
2813 if (sleep_flag
== CAN_SLEEP
)
2820 return current_state
;
2824 * _base_wait_for_doorbell_int - waiting for controller interrupt(generated by
2825 * a write to the doorbell)
2826 * @ioc: per adapter object
2827 * @timeout: timeout in second
2828 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2830 * Returns 0 for success, non-zero for failure.
2832 * Notes: MPI2_HIS_IOC2SYS_DB_STATUS - set to one when IOC writes to doorbell.
2835 _base_wait_for_doorbell_int(struct MPT2SAS_ADAPTER
*ioc
, int timeout
,
2842 cntdn
= (sleep_flag
== CAN_SLEEP
) ? 1000*timeout
: 2000*timeout
;
2844 int_status
= readl(&ioc
->chip
->HostInterruptStatus
);
2845 if (int_status
& MPI2_HIS_IOC2SYS_DB_STATUS
) {
2846 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
2847 "successful count(%d), timeout(%d)\n", ioc
->name
,
2848 __func__
, count
, timeout
));
2851 if (sleep_flag
== CAN_SLEEP
)
2858 printk(MPT2SAS_ERR_FMT
"%s: failed due to timeout count(%d), "
2859 "int_status(%x)!\n", ioc
->name
, __func__
, count
, int_status
);
2864 * _base_wait_for_doorbell_ack - waiting for controller to read the doorbell.
2865 * @ioc: per adapter object
2866 * @timeout: timeout in second
2867 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2869 * Returns 0 for success, non-zero for failure.
2871 * Notes: MPI2_HIS_SYS2IOC_DB_STATUS - set to one when host writes to
2875 _base_wait_for_doorbell_ack(struct MPT2SAS_ADAPTER
*ioc
, int timeout
,
2883 cntdn
= (sleep_flag
== CAN_SLEEP
) ? 1000*timeout
: 2000*timeout
;
2885 int_status
= readl(&ioc
->chip
->HostInterruptStatus
);
2886 if (!(int_status
& MPI2_HIS_SYS2IOC_DB_STATUS
)) {
2887 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
2888 "successful count(%d), timeout(%d)\n", ioc
->name
,
2889 __func__
, count
, timeout
));
2891 } else if (int_status
& MPI2_HIS_IOC2SYS_DB_STATUS
) {
2892 doorbell
= readl(&ioc
->chip
->Doorbell
);
2893 if ((doorbell
& MPI2_IOC_STATE_MASK
) ==
2894 MPI2_IOC_STATE_FAULT
) {
2895 mpt2sas_base_fault_info(ioc
, doorbell
);
2898 } else if (int_status
== 0xFFFFFFFF)
2901 if (sleep_flag
== CAN_SLEEP
)
2909 printk(MPT2SAS_ERR_FMT
"%s: failed due to timeout count(%d), "
2910 "int_status(%x)!\n", ioc
->name
, __func__
, count
, int_status
);
2915 * _base_wait_for_doorbell_not_used - waiting for doorbell to not be in use
2916 * @ioc: per adapter object
2917 * @timeout: timeout in second
2918 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2920 * Returns 0 for success, non-zero for failure.
2924 _base_wait_for_doorbell_not_used(struct MPT2SAS_ADAPTER
*ioc
, int timeout
,
2931 cntdn
= (sleep_flag
== CAN_SLEEP
) ? 1000*timeout
: 2000*timeout
;
2933 doorbell_reg
= readl(&ioc
->chip
->Doorbell
);
2934 if (!(doorbell_reg
& MPI2_DOORBELL_USED
)) {
2935 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
2936 "successful count(%d), timeout(%d)\n", ioc
->name
,
2937 __func__
, count
, timeout
));
2940 if (sleep_flag
== CAN_SLEEP
)
2947 printk(MPT2SAS_ERR_FMT
"%s: failed due to timeout count(%d), "
2948 "doorbell_reg(%x)!\n", ioc
->name
, __func__
, count
, doorbell_reg
);
2953 * _base_send_ioc_reset - send doorbell reset
2954 * @ioc: per adapter object
2955 * @reset_type: currently only supports: MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
2956 * @timeout: timeout in second
2957 * @sleep_flag: CAN_SLEEP or NO_SLEEP
2959 * Returns 0 for success, non-zero for failure.
2962 _base_send_ioc_reset(struct MPT2SAS_ADAPTER
*ioc
, u8 reset_type
, int timeout
,
2968 if (reset_type
!= MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
) {
2969 printk(MPT2SAS_ERR_FMT
"%s: unknown reset_type\n",
2970 ioc
->name
, __func__
);
2974 if (!(ioc
->facts
.IOCCapabilities
&
2975 MPI2_IOCFACTS_CAPABILITY_EVENT_REPLAY
))
2978 printk(MPT2SAS_INFO_FMT
"sending message unit reset !!\n", ioc
->name
);
2980 writel(reset_type
<< MPI2_DOORBELL_FUNCTION_SHIFT
,
2981 &ioc
->chip
->Doorbell
);
2982 if ((_base_wait_for_doorbell_ack(ioc
, 15, sleep_flag
))) {
2986 ioc_state
= _base_wait_on_iocstate(ioc
, MPI2_IOC_STATE_READY
,
2987 timeout
, sleep_flag
);
2989 printk(MPT2SAS_ERR_FMT
"%s: failed going to ready state "
2990 " (ioc_state=0x%x)\n", ioc
->name
, __func__
, ioc_state
);
2995 printk(MPT2SAS_INFO_FMT
"message unit reset: %s\n",
2996 ioc
->name
, ((r
== 0) ? "SUCCESS" : "FAILED"));
3001 * _base_handshake_req_reply_wait - send request thru doorbell interface
3002 * @ioc: per adapter object
3003 * @request_bytes: request length
3004 * @request: pointer having request payload
3005 * @reply_bytes: reply length
3006 * @reply: pointer to reply payload
3007 * @timeout: timeout in second
3008 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3010 * Returns 0 for success, non-zero for failure.
3013 _base_handshake_req_reply_wait(struct MPT2SAS_ADAPTER
*ioc
, int request_bytes
,
3014 u32
*request
, int reply_bytes
, u16
*reply
, int timeout
, int sleep_flag
)
3016 MPI2DefaultReply_t
*default_reply
= (MPI2DefaultReply_t
*)reply
;
3022 /* make sure doorbell is not in use */
3023 if ((readl(&ioc
->chip
->Doorbell
) & MPI2_DOORBELL_USED
)) {
3024 printk(MPT2SAS_ERR_FMT
"doorbell is in use "
3025 " (line=%d)\n", ioc
->name
, __LINE__
);
3029 /* clear pending doorbell interrupts from previous state changes */
3030 if (readl(&ioc
->chip
->HostInterruptStatus
) &
3031 MPI2_HIS_IOC2SYS_DB_STATUS
)
3032 writel(0, &ioc
->chip
->HostInterruptStatus
);
3034 /* send message to ioc */
3035 writel(((MPI2_FUNCTION_HANDSHAKE
<<MPI2_DOORBELL_FUNCTION_SHIFT
) |
3036 ((request_bytes
/4)<<MPI2_DOORBELL_ADD_DWORDS_SHIFT
)),
3037 &ioc
->chip
->Doorbell
);
3039 if ((_base_wait_for_doorbell_int(ioc
, 5, NO_SLEEP
))) {
3040 printk(MPT2SAS_ERR_FMT
"doorbell handshake "
3041 "int failed (line=%d)\n", ioc
->name
, __LINE__
);
3044 writel(0, &ioc
->chip
->HostInterruptStatus
);
3046 if ((_base_wait_for_doorbell_ack(ioc
, 5, sleep_flag
))) {
3047 printk(MPT2SAS_ERR_FMT
"doorbell handshake "
3048 "ack failed (line=%d)\n", ioc
->name
, __LINE__
);
3052 /* send message 32-bits at a time */
3053 for (i
= 0, failed
= 0; i
< request_bytes
/4 && !failed
; i
++) {
3054 writel(cpu_to_le32(request
[i
]), &ioc
->chip
->Doorbell
);
3055 if ((_base_wait_for_doorbell_ack(ioc
, 5, sleep_flag
)))
3060 printk(MPT2SAS_ERR_FMT
"doorbell handshake "
3061 "sending request failed (line=%d)\n", ioc
->name
, __LINE__
);
3065 /* now wait for the reply */
3066 if ((_base_wait_for_doorbell_int(ioc
, timeout
, sleep_flag
))) {
3067 printk(MPT2SAS_ERR_FMT
"doorbell handshake "
3068 "int failed (line=%d)\n", ioc
->name
, __LINE__
);
3072 /* read the first two 16-bits, it gives the total length of the reply */
3073 reply
[0] = le16_to_cpu(readl(&ioc
->chip
->Doorbell
)
3074 & MPI2_DOORBELL_DATA_MASK
);
3075 writel(0, &ioc
->chip
->HostInterruptStatus
);
3076 if ((_base_wait_for_doorbell_int(ioc
, 5, sleep_flag
))) {
3077 printk(MPT2SAS_ERR_FMT
"doorbell handshake "
3078 "int failed (line=%d)\n", ioc
->name
, __LINE__
);
3081 reply
[1] = le16_to_cpu(readl(&ioc
->chip
->Doorbell
)
3082 & MPI2_DOORBELL_DATA_MASK
);
3083 writel(0, &ioc
->chip
->HostInterruptStatus
);
3085 for (i
= 2; i
< default_reply
->MsgLength
* 2; i
++) {
3086 if ((_base_wait_for_doorbell_int(ioc
, 5, sleep_flag
))) {
3087 printk(MPT2SAS_ERR_FMT
"doorbell "
3088 "handshake int failed (line=%d)\n", ioc
->name
,
3092 if (i
>= reply_bytes
/2) /* overflow case */
3093 dummy
= readl(&ioc
->chip
->Doorbell
);
3095 reply
[i
] = le16_to_cpu(readl(&ioc
->chip
->Doorbell
)
3096 & MPI2_DOORBELL_DATA_MASK
);
3097 writel(0, &ioc
->chip
->HostInterruptStatus
);
3100 _base_wait_for_doorbell_int(ioc
, 5, sleep_flag
);
3101 if (_base_wait_for_doorbell_not_used(ioc
, 5, sleep_flag
) != 0) {
3102 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"doorbell is in use "
3103 " (line=%d)\n", ioc
->name
, __LINE__
));
3105 writel(0, &ioc
->chip
->HostInterruptStatus
);
3107 if (ioc
->logging_level
& MPT_DEBUG_INIT
) {
3108 mfp
= (__le32
*)reply
;
3109 printk(KERN_INFO
"\toffset:data\n");
3110 for (i
= 0; i
< reply_bytes
/4; i
++)
3111 printk(KERN_INFO
"\t[0x%02x]:%08x\n", i
*4,
3112 le32_to_cpu(mfp
[i
]));
3118 * mpt2sas_base_sas_iounit_control - send sas iounit control to FW
3119 * @ioc: per adapter object
3120 * @mpi_reply: the reply payload from FW
3121 * @mpi_request: the request payload sent to FW
3123 * The SAS IO Unit Control Request message allows the host to perform low-level
3124 * operations, such as resets on the PHYs of the IO Unit, also allows the host
3125 * to obtain the IOC assigned device handles for a device if it has other
3126 * identifying information about the device, in addition allows the host to
3127 * remove IOC resources associated with the device.
3129 * Returns 0 for success, non-zero for failure.
3132 mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER
*ioc
,
3133 Mpi2SasIoUnitControlReply_t
*mpi_reply
,
3134 Mpi2SasIoUnitControlRequest_t
*mpi_request
)
3138 unsigned long timeleft
;
3142 u16 wait_state_count
;
3144 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
3147 mutex_lock(&ioc
->base_cmds
.mutex
);
3149 if (ioc
->base_cmds
.status
!= MPT2_CMD_NOT_USED
) {
3150 printk(MPT2SAS_ERR_FMT
"%s: base_cmd in use\n",
3151 ioc
->name
, __func__
);
3156 wait_state_count
= 0;
3157 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3158 while (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
3159 if (wait_state_count
++ == 10) {
3160 printk(MPT2SAS_ERR_FMT
3161 "%s: failed due to ioc not operational\n",
3162 ioc
->name
, __func__
);
3167 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3168 printk(MPT2SAS_INFO_FMT
"%s: waiting for "
3169 "operational state(count=%d)\n", ioc
->name
,
3170 __func__
, wait_state_count
);
3173 smid
= mpt2sas_base_get_smid(ioc
, ioc
->base_cb_idx
);
3175 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3176 ioc
->name
, __func__
);
3182 ioc
->base_cmds
.status
= MPT2_CMD_PENDING
;
3183 request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3184 ioc
->base_cmds
.smid
= smid
;
3185 memcpy(request
, mpi_request
, sizeof(Mpi2SasIoUnitControlRequest_t
));
3186 if (mpi_request
->Operation
== MPI2_SAS_OP_PHY_HARD_RESET
||
3187 mpi_request
->Operation
== MPI2_SAS_OP_PHY_LINK_RESET
)
3188 ioc
->ioc_link_reset_in_progress
= 1;
3189 init_completion(&ioc
->base_cmds
.done
);
3190 mpt2sas_base_put_smid_default(ioc
, smid
);
3191 timeleft
= wait_for_completion_timeout(&ioc
->base_cmds
.done
,
3192 msecs_to_jiffies(10000));
3193 if ((mpi_request
->Operation
== MPI2_SAS_OP_PHY_HARD_RESET
||
3194 mpi_request
->Operation
== MPI2_SAS_OP_PHY_LINK_RESET
) &&
3195 ioc
->ioc_link_reset_in_progress
)
3196 ioc
->ioc_link_reset_in_progress
= 0;
3197 if (!(ioc
->base_cmds
.status
& MPT2_CMD_COMPLETE
)) {
3198 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
3199 ioc
->name
, __func__
);
3200 _debug_dump_mf(mpi_request
,
3201 sizeof(Mpi2SasIoUnitControlRequest_t
)/4);
3202 if (!(ioc
->base_cmds
.status
& MPT2_CMD_RESET
))
3204 goto issue_host_reset
;
3206 if (ioc
->base_cmds
.status
& MPT2_CMD_REPLY_VALID
)
3207 memcpy(mpi_reply
, ioc
->base_cmds
.reply
,
3208 sizeof(Mpi2SasIoUnitControlReply_t
));
3210 memset(mpi_reply
, 0, sizeof(Mpi2SasIoUnitControlReply_t
));
3211 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
3216 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
3218 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
3221 mutex_unlock(&ioc
->base_cmds
.mutex
);
3227 * mpt2sas_base_scsi_enclosure_processor - sending request to sep device
3228 * @ioc: per adapter object
3229 * @mpi_reply: the reply payload from FW
3230 * @mpi_request: the request payload sent to FW
3232 * The SCSI Enclosure Processor request message causes the IOC to
3233 * communicate with SES devices to control LED status signals.
3235 * Returns 0 for success, non-zero for failure.
3238 mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER
*ioc
,
3239 Mpi2SepReply_t
*mpi_reply
, Mpi2SepRequest_t
*mpi_request
)
3243 unsigned long timeleft
;
3247 u16 wait_state_count
;
3249 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
3252 mutex_lock(&ioc
->base_cmds
.mutex
);
3254 if (ioc
->base_cmds
.status
!= MPT2_CMD_NOT_USED
) {
3255 printk(MPT2SAS_ERR_FMT
"%s: base_cmd in use\n",
3256 ioc
->name
, __func__
);
3261 wait_state_count
= 0;
3262 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3263 while (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
3264 if (wait_state_count
++ == 10) {
3265 printk(MPT2SAS_ERR_FMT
3266 "%s: failed due to ioc not operational\n",
3267 ioc
->name
, __func__
);
3272 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3273 printk(MPT2SAS_INFO_FMT
"%s: waiting for "
3274 "operational state(count=%d)\n", ioc
->name
,
3275 __func__
, wait_state_count
);
3278 smid
= mpt2sas_base_get_smid(ioc
, ioc
->base_cb_idx
);
3280 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3281 ioc
->name
, __func__
);
3287 ioc
->base_cmds
.status
= MPT2_CMD_PENDING
;
3288 request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3289 ioc
->base_cmds
.smid
= smid
;
3290 memcpy(request
, mpi_request
, sizeof(Mpi2SepReply_t
));
3291 init_completion(&ioc
->base_cmds
.done
);
3292 mpt2sas_base_put_smid_default(ioc
, smid
);
3293 timeleft
= wait_for_completion_timeout(&ioc
->base_cmds
.done
,
3294 msecs_to_jiffies(10000));
3295 if (!(ioc
->base_cmds
.status
& MPT2_CMD_COMPLETE
)) {
3296 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
3297 ioc
->name
, __func__
);
3298 _debug_dump_mf(mpi_request
,
3299 sizeof(Mpi2SepRequest_t
)/4);
3300 if (!(ioc
->base_cmds
.status
& MPT2_CMD_RESET
))
3302 goto issue_host_reset
;
3304 if (ioc
->base_cmds
.status
& MPT2_CMD_REPLY_VALID
)
3305 memcpy(mpi_reply
, ioc
->base_cmds
.reply
,
3306 sizeof(Mpi2SepReply_t
));
3308 memset(mpi_reply
, 0, sizeof(Mpi2SepReply_t
));
3309 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
3314 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
3316 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
3319 mutex_unlock(&ioc
->base_cmds
.mutex
);
3324 * _base_get_port_facts - obtain port facts reply and save in ioc
3325 * @ioc: per adapter object
3326 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3328 * Returns 0 for success, non-zero for failure.
3331 _base_get_port_facts(struct MPT2SAS_ADAPTER
*ioc
, int port
, int sleep_flag
)
3333 Mpi2PortFactsRequest_t mpi_request
;
3334 Mpi2PortFactsReply_t mpi_reply
;
3335 struct mpt2sas_port_facts
*pfacts
;
3336 int mpi_reply_sz
, mpi_request_sz
, r
;
3338 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
3341 mpi_reply_sz
= sizeof(Mpi2PortFactsReply_t
);
3342 mpi_request_sz
= sizeof(Mpi2PortFactsRequest_t
);
3343 memset(&mpi_request
, 0, mpi_request_sz
);
3344 mpi_request
.Function
= MPI2_FUNCTION_PORT_FACTS
;
3345 mpi_request
.PortNumber
= port
;
3346 r
= _base_handshake_req_reply_wait(ioc
, mpi_request_sz
,
3347 (u32
*)&mpi_request
, mpi_reply_sz
, (u16
*)&mpi_reply
, 5, CAN_SLEEP
);
3350 printk(MPT2SAS_ERR_FMT
"%s: handshake failed (r=%d)\n",
3351 ioc
->name
, __func__
, r
);
3355 pfacts
= &ioc
->pfacts
[port
];
3356 memset(pfacts
, 0, sizeof(Mpi2PortFactsReply_t
));
3357 pfacts
->PortNumber
= mpi_reply
.PortNumber
;
3358 pfacts
->VP_ID
= mpi_reply
.VP_ID
;
3359 pfacts
->VF_ID
= mpi_reply
.VF_ID
;
3360 pfacts
->MaxPostedCmdBuffers
=
3361 le16_to_cpu(mpi_reply
.MaxPostedCmdBuffers
);
3367 * _base_get_ioc_facts - obtain ioc facts reply and save in ioc
3368 * @ioc: per adapter object
3369 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3371 * Returns 0 for success, non-zero for failure.
3374 _base_get_ioc_facts(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
)
3376 Mpi2IOCFactsRequest_t mpi_request
;
3377 Mpi2IOCFactsReply_t mpi_reply
;
3378 struct mpt2sas_facts
*facts
;
3379 int mpi_reply_sz
, mpi_request_sz
, r
;
3381 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
3384 mpi_reply_sz
= sizeof(Mpi2IOCFactsReply_t
);
3385 mpi_request_sz
= sizeof(Mpi2IOCFactsRequest_t
);
3386 memset(&mpi_request
, 0, mpi_request_sz
);
3387 mpi_request
.Function
= MPI2_FUNCTION_IOC_FACTS
;
3388 r
= _base_handshake_req_reply_wait(ioc
, mpi_request_sz
,
3389 (u32
*)&mpi_request
, mpi_reply_sz
, (u16
*)&mpi_reply
, 5, CAN_SLEEP
);
3392 printk(MPT2SAS_ERR_FMT
"%s: handshake failed (r=%d)\n",
3393 ioc
->name
, __func__
, r
);
3397 facts
= &ioc
->facts
;
3398 memset(facts
, 0, sizeof(Mpi2IOCFactsReply_t
));
3399 facts
->MsgVersion
= le16_to_cpu(mpi_reply
.MsgVersion
);
3400 facts
->HeaderVersion
= le16_to_cpu(mpi_reply
.HeaderVersion
);
3401 facts
->VP_ID
= mpi_reply
.VP_ID
;
3402 facts
->VF_ID
= mpi_reply
.VF_ID
;
3403 facts
->IOCExceptions
= le16_to_cpu(mpi_reply
.IOCExceptions
);
3404 facts
->MaxChainDepth
= mpi_reply
.MaxChainDepth
;
3405 facts
->WhoInit
= mpi_reply
.WhoInit
;
3406 facts
->NumberOfPorts
= mpi_reply
.NumberOfPorts
;
3407 facts
->MaxMSIxVectors
= mpi_reply
.MaxMSIxVectors
;
3408 facts
->RequestCredit
= le16_to_cpu(mpi_reply
.RequestCredit
);
3409 facts
->MaxReplyDescriptorPostQueueDepth
=
3410 le16_to_cpu(mpi_reply
.MaxReplyDescriptorPostQueueDepth
);
3411 facts
->ProductID
= le16_to_cpu(mpi_reply
.ProductID
);
3412 facts
->IOCCapabilities
= le32_to_cpu(mpi_reply
.IOCCapabilities
);
3413 if ((facts
->IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID
))
3414 ioc
->ir_firmware
= 1;
3415 facts
->FWVersion
.Word
= le32_to_cpu(mpi_reply
.FWVersion
.Word
);
3416 facts
->IOCRequestFrameSize
=
3417 le16_to_cpu(mpi_reply
.IOCRequestFrameSize
);
3418 facts
->MaxInitiators
= le16_to_cpu(mpi_reply
.MaxInitiators
);
3419 facts
->MaxTargets
= le16_to_cpu(mpi_reply
.MaxTargets
);
3420 ioc
->shost
->max_id
= -1;
3421 facts
->MaxSasExpanders
= le16_to_cpu(mpi_reply
.MaxSasExpanders
);
3422 facts
->MaxEnclosures
= le16_to_cpu(mpi_reply
.MaxEnclosures
);
3423 facts
->ProtocolFlags
= le16_to_cpu(mpi_reply
.ProtocolFlags
);
3424 facts
->HighPriorityCredit
=
3425 le16_to_cpu(mpi_reply
.HighPriorityCredit
);
3426 facts
->ReplyFrameSize
= mpi_reply
.ReplyFrameSize
;
3427 facts
->MaxDevHandle
= le16_to_cpu(mpi_reply
.MaxDevHandle
);
3429 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"hba queue depth(%d), "
3430 "max chains per io(%d)\n", ioc
->name
, facts
->RequestCredit
,
3431 facts
->MaxChainDepth
));
3432 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"request frame size(%d), "
3433 "reply frame size(%d)\n", ioc
->name
,
3434 facts
->IOCRequestFrameSize
* 4, facts
->ReplyFrameSize
* 4));
3439 * _base_send_ioc_init - send ioc_init to firmware
3440 * @ioc: per adapter object
3441 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3443 * Returns 0 for success, non-zero for failure.
3446 _base_send_ioc_init(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
)
3448 Mpi2IOCInitRequest_t mpi_request
;
3449 Mpi2IOCInitReply_t mpi_reply
;
3451 struct timeval current_time
;
3454 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
3457 memset(&mpi_request
, 0, sizeof(Mpi2IOCInitRequest_t
));
3458 mpi_request
.Function
= MPI2_FUNCTION_IOC_INIT
;
3459 mpi_request
.WhoInit
= MPI2_WHOINIT_HOST_DRIVER
;
3460 mpi_request
.VF_ID
= 0; /* TODO */
3461 mpi_request
.VP_ID
= 0;
3462 mpi_request
.MsgVersion
= cpu_to_le16(MPI2_VERSION
);
3463 mpi_request
.HeaderVersion
= cpu_to_le16(MPI2_HEADER_VERSION
);
3465 if (_base_is_controller_msix_enabled(ioc
))
3466 mpi_request
.HostMSIxVectors
= ioc
->reply_queue_count
;
3467 mpi_request
.SystemRequestFrameSize
= cpu_to_le16(ioc
->request_sz
/4);
3468 mpi_request
.ReplyDescriptorPostQueueDepth
=
3469 cpu_to_le16(ioc
->reply_post_queue_depth
);
3470 mpi_request
.ReplyFreeQueueDepth
=
3471 cpu_to_le16(ioc
->reply_free_queue_depth
);
3473 mpi_request
.SenseBufferAddressHigh
=
3474 cpu_to_le32((u64
)ioc
->sense_dma
>> 32);
3475 mpi_request
.SystemReplyAddressHigh
=
3476 cpu_to_le32((u64
)ioc
->reply_dma
>> 32);
3477 mpi_request
.SystemRequestFrameBaseAddress
=
3478 cpu_to_le64((u64
)ioc
->request_dma
);
3479 mpi_request
.ReplyFreeQueueAddress
=
3480 cpu_to_le64((u64
)ioc
->reply_free_dma
);
3481 mpi_request
.ReplyDescriptorPostQueueAddress
=
3482 cpu_to_le64((u64
)ioc
->reply_post_free_dma
);
3485 /* This time stamp specifies number of milliseconds
3486 * since epoch ~ midnight January 1, 1970.
3488 do_gettimeofday(¤t_time
);
3489 mpi_request
.TimeStamp
= cpu_to_le64((u64
)current_time
.tv_sec
* 1000 +
3490 (current_time
.tv_usec
/ 1000));
3492 if (ioc
->logging_level
& MPT_DEBUG_INIT
) {
3496 mfp
= (__le32
*)&mpi_request
;
3497 printk(KERN_INFO
"\toffset:data\n");
3498 for (i
= 0; i
< sizeof(Mpi2IOCInitRequest_t
)/4; i
++)
3499 printk(KERN_INFO
"\t[0x%02x]:%08x\n", i
*4,
3500 le32_to_cpu(mfp
[i
]));
3503 r
= _base_handshake_req_reply_wait(ioc
,
3504 sizeof(Mpi2IOCInitRequest_t
), (u32
*)&mpi_request
,
3505 sizeof(Mpi2IOCInitReply_t
), (u16
*)&mpi_reply
, 10,
3509 printk(MPT2SAS_ERR_FMT
"%s: handshake failed (r=%d)\n",
3510 ioc
->name
, __func__
, r
);
3514 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
3515 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
||
3516 mpi_reply
.IOCLogInfo
) {
3517 printk(MPT2SAS_ERR_FMT
"%s: failed\n", ioc
->name
, __func__
);
3525 * mpt2sas_port_enable_done - command completion routine for port enable
3526 * @ioc: per adapter object
3527 * @smid: system request message index
3528 * @msix_index: MSIX table index supplied by the OS
3529 * @reply: reply message frame(lower 32bit addr)
3531 * Return 1 meaning mf should be freed from _base_interrupt
3532 * 0 means the mf is freed from this function.
3535 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
3538 MPI2DefaultReply_t
*mpi_reply
;
3541 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3542 if (mpi_reply
&& mpi_reply
->Function
== MPI2_FUNCTION_EVENT_ACK
)
3545 if (ioc
->port_enable_cmds
.status
== MPT2_CMD_NOT_USED
)
3548 ioc
->port_enable_cmds
.status
|= MPT2_CMD_COMPLETE
;
3550 ioc
->port_enable_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
3551 memcpy(ioc
->port_enable_cmds
.reply
, mpi_reply
,
3552 mpi_reply
->MsgLength
*4);
3554 ioc
->port_enable_cmds
.status
&= ~MPT2_CMD_PENDING
;
3556 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
3558 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
3559 ioc
->port_enable_failed
= 1;
3561 if (ioc
->is_driver_loading
) {
3562 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
3563 mpt2sas_port_enable_complete(ioc
);
3566 ioc
->start_scan_failed
= ioc_status
;
3567 ioc
->start_scan
= 0;
3571 complete(&ioc
->port_enable_cmds
.done
);
3577 * _base_send_port_enable - send port_enable(discovery stuff) to firmware
3578 * @ioc: per adapter object
3579 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3581 * Returns 0 for success, non-zero for failure.
3584 _base_send_port_enable(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
)
3586 Mpi2PortEnableRequest_t
*mpi_request
;
3587 Mpi2PortEnableReply_t
*mpi_reply
;
3588 unsigned long timeleft
;
3593 printk(MPT2SAS_INFO_FMT
"sending port enable !!\n", ioc
->name
);
3595 if (ioc
->port_enable_cmds
.status
& MPT2_CMD_PENDING
) {
3596 printk(MPT2SAS_ERR_FMT
"%s: internal command already in use\n",
3597 ioc
->name
, __func__
);
3601 smid
= mpt2sas_base_get_smid(ioc
, ioc
->port_enable_cb_idx
);
3603 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3604 ioc
->name
, __func__
);
3608 ioc
->port_enable_cmds
.status
= MPT2_CMD_PENDING
;
3609 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3610 ioc
->port_enable_cmds
.smid
= smid
;
3611 memset(mpi_request
, 0, sizeof(Mpi2PortEnableRequest_t
));
3612 mpi_request
->Function
= MPI2_FUNCTION_PORT_ENABLE
;
3614 init_completion(&ioc
->port_enable_cmds
.done
);
3615 mpt2sas_base_put_smid_default(ioc
, smid
);
3616 timeleft
= wait_for_completion_timeout(&ioc
->port_enable_cmds
.done
,
3618 if (!(ioc
->port_enable_cmds
.status
& MPT2_CMD_COMPLETE
)) {
3619 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
3620 ioc
->name
, __func__
);
3621 _debug_dump_mf(mpi_request
,
3622 sizeof(Mpi2PortEnableRequest_t
)/4);
3623 if (ioc
->port_enable_cmds
.status
& MPT2_CMD_RESET
)
3629 mpi_reply
= ioc
->port_enable_cmds
.reply
;
3631 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) & MPI2_IOCSTATUS_MASK
;
3632 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
3633 printk(MPT2SAS_ERR_FMT
"%s: failed with (ioc_status=0x%08x)\n",
3634 ioc
->name
, __func__
, ioc_status
);
3639 ioc
->port_enable_cmds
.status
= MPT2_CMD_NOT_USED
;
3640 printk(MPT2SAS_INFO_FMT
"port enable: %s\n", ioc
->name
, ((r
== 0) ?
3641 "SUCCESS" : "FAILED"));
3646 * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply)
3647 * @ioc: per adapter object
3649 * Returns 0 for success, non-zero for failure.
3652 mpt2sas_port_enable(struct MPT2SAS_ADAPTER
*ioc
)
3654 Mpi2PortEnableRequest_t
*mpi_request
;
3657 printk(MPT2SAS_INFO_FMT
"sending port enable !!\n", ioc
->name
);
3659 if (ioc
->port_enable_cmds
.status
& MPT2_CMD_PENDING
) {
3660 printk(MPT2SAS_ERR_FMT
"%s: internal command already in use\n",
3661 ioc
->name
, __func__
);
3665 smid
= mpt2sas_base_get_smid(ioc
, ioc
->port_enable_cb_idx
);
3667 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3668 ioc
->name
, __func__
);
3672 ioc
->port_enable_cmds
.status
= MPT2_CMD_PENDING
;
3673 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3674 ioc
->port_enable_cmds
.smid
= smid
;
3675 memset(mpi_request
, 0, sizeof(Mpi2PortEnableRequest_t
));
3676 mpi_request
->Function
= MPI2_FUNCTION_PORT_ENABLE
;
3678 mpt2sas_base_put_smid_default(ioc
, smid
);
3683 * _base_determine_wait_on_discovery - desposition
3684 * @ioc: per adapter object
3686 * Decide whether to wait on discovery to complete. Used to either
3687 * locate boot device, or report volumes ahead of physical devices.
3689 * Returns 1 for wait, 0 for don't wait
3692 _base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER
*ioc
)
3694 /* We wait for discovery to complete if IR firmware is loaded.
3695 * The sas topology events arrive before PD events, so we need time to
3696 * turn on the bit in ioc->pd_handles to indicate PD
3697 * Also, it maybe required to report Volumes ahead of physical
3698 * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set.
3700 if (ioc
->ir_firmware
)
3703 /* if no Bios, then we don't need to wait */
3704 if (!ioc
->bios_pg3
.BiosVersion
)
3707 /* Bios is present, then we drop down here.
3709 * If there any entries in the Bios Page 2, then we wait
3710 * for discovery to complete.
3713 /* Current Boot Device */
3714 if ((ioc
->bios_pg2
.CurrentBootDeviceForm
&
3715 MPI2_BIOSPAGE2_FORM_MASK
) ==
3716 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
&&
3717 /* Request Boot Device */
3718 (ioc
->bios_pg2
.ReqBootDeviceForm
&
3719 MPI2_BIOSPAGE2_FORM_MASK
) ==
3720 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
&&
3721 /* Alternate Request Boot Device */
3722 (ioc
->bios_pg2
.ReqAltBootDeviceForm
&
3723 MPI2_BIOSPAGE2_FORM_MASK
) ==
3724 MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
)
3732 * _base_unmask_events - turn on notification for this event
3733 * @ioc: per adapter object
3734 * @event: firmware event
3736 * The mask is stored in ioc->event_masks.
3739 _base_unmask_events(struct MPT2SAS_ADAPTER
*ioc
, u16 event
)
3746 desired_event
= (1 << (event
% 32));
3749 ioc
->event_masks
[0] &= ~desired_event
;
3750 else if (event
< 64)
3751 ioc
->event_masks
[1] &= ~desired_event
;
3752 else if (event
< 96)
3753 ioc
->event_masks
[2] &= ~desired_event
;
3754 else if (event
< 128)
3755 ioc
->event_masks
[3] &= ~desired_event
;
3759 * _base_event_notification - send event notification
3760 * @ioc: per adapter object
3761 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3763 * Returns 0 for success, non-zero for failure.
3766 _base_event_notification(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
)
3768 Mpi2EventNotificationRequest_t
*mpi_request
;
3769 unsigned long timeleft
;
3774 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
3777 if (ioc
->base_cmds
.status
& MPT2_CMD_PENDING
) {
3778 printk(MPT2SAS_ERR_FMT
"%s: internal command already in use\n",
3779 ioc
->name
, __func__
);
3783 smid
= mpt2sas_base_get_smid(ioc
, ioc
->base_cb_idx
);
3785 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3786 ioc
->name
, __func__
);
3789 ioc
->base_cmds
.status
= MPT2_CMD_PENDING
;
3790 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3791 ioc
->base_cmds
.smid
= smid
;
3792 memset(mpi_request
, 0, sizeof(Mpi2EventNotificationRequest_t
));
3793 mpi_request
->Function
= MPI2_FUNCTION_EVENT_NOTIFICATION
;
3794 mpi_request
->VF_ID
= 0; /* TODO */
3795 mpi_request
->VP_ID
= 0;
3796 for (i
= 0; i
< MPI2_EVENT_NOTIFY_EVENTMASK_WORDS
; i
++)
3797 mpi_request
->EventMasks
[i
] =
3798 cpu_to_le32(ioc
->event_masks
[i
]);
3799 init_completion(&ioc
->base_cmds
.done
);
3800 mpt2sas_base_put_smid_default(ioc
, smid
);
3801 timeleft
= wait_for_completion_timeout(&ioc
->base_cmds
.done
, 30*HZ
);
3802 if (!(ioc
->base_cmds
.status
& MPT2_CMD_COMPLETE
)) {
3803 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
3804 ioc
->name
, __func__
);
3805 _debug_dump_mf(mpi_request
,
3806 sizeof(Mpi2EventNotificationRequest_t
)/4);
3807 if (ioc
->base_cmds
.status
& MPT2_CMD_RESET
)
3812 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: complete\n",
3813 ioc
->name
, __func__
));
3814 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
3819 * mpt2sas_base_validate_event_type - validating event types
3820 * @ioc: per adapter object
3821 * @event: firmware event
3823 * This will turn on firmware event notification when application
3824 * ask for that event. We don't mask events that are already enabled.
3827 mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER
*ioc
, u32
*event_type
)
3830 u32 event_mask
, desired_event
;
3831 u8 send_update_to_fw
;
3833 for (i
= 0, send_update_to_fw
= 0; i
<
3834 MPI2_EVENT_NOTIFY_EVENTMASK_WORDS
; i
++) {
3835 event_mask
= ~event_type
[i
];
3837 for (j
= 0; j
< 32; j
++) {
3838 if (!(event_mask
& desired_event
) &&
3839 (ioc
->event_masks
[i
] & desired_event
)) {
3840 ioc
->event_masks
[i
] &= ~desired_event
;
3841 send_update_to_fw
= 1;
3843 desired_event
= (desired_event
<< 1);
3847 if (!send_update_to_fw
)
3850 mutex_lock(&ioc
->base_cmds
.mutex
);
3851 _base_event_notification(ioc
, CAN_SLEEP
);
3852 mutex_unlock(&ioc
->base_cmds
.mutex
);
3856 * _base_diag_reset - the "big hammer" start of day reset
3857 * @ioc: per adapter object
3858 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3860 * Returns 0 for success, non-zero for failure.
3863 _base_diag_reset(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
)
3865 u32 host_diagnostic
;
3870 printk(MPT2SAS_INFO_FMT
"sending diag reset !!\n", ioc
->name
);
3871 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"clear interrupts\n",
3876 /* Write magic sequence to WriteSequence register
3877 * Loop until in diagnostic mode
3879 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"write magic "
3880 "sequence\n", ioc
->name
));
3881 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE
, &ioc
->chip
->WriteSequence
);
3882 writel(MPI2_WRSEQ_1ST_KEY_VALUE
, &ioc
->chip
->WriteSequence
);
3883 writel(MPI2_WRSEQ_2ND_KEY_VALUE
, &ioc
->chip
->WriteSequence
);
3884 writel(MPI2_WRSEQ_3RD_KEY_VALUE
, &ioc
->chip
->WriteSequence
);
3885 writel(MPI2_WRSEQ_4TH_KEY_VALUE
, &ioc
->chip
->WriteSequence
);
3886 writel(MPI2_WRSEQ_5TH_KEY_VALUE
, &ioc
->chip
->WriteSequence
);
3887 writel(MPI2_WRSEQ_6TH_KEY_VALUE
, &ioc
->chip
->WriteSequence
);
3890 if (sleep_flag
== CAN_SLEEP
)
3898 host_diagnostic
= readl(&ioc
->chip
->HostDiagnostic
);
3899 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"wrote magic "
3900 "sequence: count(%d), host_diagnostic(0x%08x)\n",
3901 ioc
->name
, count
, host_diagnostic
));
3903 } while ((host_diagnostic
& MPI2_DIAG_DIAG_WRITE_ENABLE
) == 0);
3905 hcb_size
= readl(&ioc
->chip
->HCBSize
);
3907 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"diag reset: issued\n",
3909 writel(host_diagnostic
| MPI2_DIAG_RESET_ADAPTER
,
3910 &ioc
->chip
->HostDiagnostic
);
3912 /* don't access any registers for 50 milliseconds */
3915 /* 300 second max wait */
3916 for (count
= 0; count
< 3000000 ; count
++) {
3918 host_diagnostic
= readl(&ioc
->chip
->HostDiagnostic
);
3920 if (host_diagnostic
== 0xFFFFFFFF)
3922 if (!(host_diagnostic
& MPI2_DIAG_RESET_ADAPTER
))
3926 if (sleep_flag
== CAN_SLEEP
)
3932 if (host_diagnostic
& MPI2_DIAG_HCB_MODE
) {
3934 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"restart the adapter "
3935 "assuming the HCB Address points to good F/W\n",
3937 host_diagnostic
&= ~MPI2_DIAG_BOOT_DEVICE_SELECT_MASK
;
3938 host_diagnostic
|= MPI2_DIAG_BOOT_DEVICE_SELECT_HCDW
;
3939 writel(host_diagnostic
, &ioc
->chip
->HostDiagnostic
);
3941 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
3942 "re-enable the HCDW\n", ioc
->name
));
3943 writel(hcb_size
| MPI2_HCB_SIZE_HCB_ENABLE
,
3944 &ioc
->chip
->HCBSize
);
3947 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"restart the adapter\n",
3949 writel(host_diagnostic
& ~MPI2_DIAG_HOLD_IOC_RESET
,
3950 &ioc
->chip
->HostDiagnostic
);
3952 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"disable writes to the "
3953 "diagnostic register\n", ioc
->name
));
3954 writel(MPI2_WRSEQ_FLUSH_KEY_VALUE
, &ioc
->chip
->WriteSequence
);
3956 drsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"Wait for FW to go to the "
3957 "READY state\n", ioc
->name
));
3958 ioc_state
= _base_wait_on_iocstate(ioc
, MPI2_IOC_STATE_READY
, 20,
3961 printk(MPT2SAS_ERR_FMT
"%s: failed going to ready state "
3962 " (ioc_state=0x%x)\n", ioc
->name
, __func__
, ioc_state
);
3966 printk(MPT2SAS_INFO_FMT
"diag reset: SUCCESS\n", ioc
->name
);
3970 printk(MPT2SAS_ERR_FMT
"diag reset: FAILED\n", ioc
->name
);
3975 * _base_make_ioc_ready - put controller in READY state
3976 * @ioc: per adapter object
3977 * @sleep_flag: CAN_SLEEP or NO_SLEEP
3978 * @type: FORCE_BIG_HAMMER or SOFT_RESET
3980 * Returns 0 for success, non-zero for failure.
3983 _base_make_ioc_ready(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
,
3984 enum reset_type type
)
3989 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
3992 if (ioc
->pci_error_recovery
)
3995 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 0);
3996 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: ioc_state(0x%08x)\n",
3997 ioc
->name
, __func__
, ioc_state
));
3999 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_READY
)
4002 if (ioc_state
& MPI2_DOORBELL_USED
) {
4003 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"unexpected doorbell "
4004 "active!\n", ioc
->name
));
4005 goto issue_diag_reset
;
4008 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
4009 mpt2sas_base_fault_info(ioc
, ioc_state
&
4010 MPI2_DOORBELL_DATA_MASK
);
4011 goto issue_diag_reset
;
4014 if (type
== FORCE_BIG_HAMMER
)
4015 goto issue_diag_reset
;
4017 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_OPERATIONAL
)
4018 if (!(_base_send_ioc_reset(ioc
,
4019 MPI2_FUNCTION_IOC_MESSAGE_UNIT_RESET
, 15, CAN_SLEEP
))) {
4020 ioc
->ioc_reset_count
++;
4025 rc
= _base_diag_reset(ioc
, CAN_SLEEP
);
4026 ioc
->ioc_reset_count
++;
4031 * _base_make_ioc_operational - put controller in OPERATIONAL state
4032 * @ioc: per adapter object
4033 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4035 * Returns 0 for success, non-zero for failure.
4038 _base_make_ioc_operational(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
)
4041 unsigned long flags
;
4044 struct _tr_list
*delayed_tr
, *delayed_tr_next
;
4046 struct adapter_reply_queue
*reply_q
;
4047 long reply_post_free
;
4048 u32 reply_post_free_sz
;
4050 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
4053 /* clean the delayed target reset list */
4054 list_for_each_entry_safe(delayed_tr
, delayed_tr_next
,
4055 &ioc
->delayed_tr_list
, list
) {
4056 list_del(&delayed_tr
->list
);
4060 list_for_each_entry_safe(delayed_tr
, delayed_tr_next
,
4061 &ioc
->delayed_tr_volume_list
, list
) {
4062 list_del(&delayed_tr
->list
);
4066 /* initialize the scsi lookup free list */
4067 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
4068 INIT_LIST_HEAD(&ioc
->free_list
);
4070 for (i
= 0; i
< ioc
->scsiio_depth
; i
++, smid
++) {
4071 INIT_LIST_HEAD(&ioc
->scsi_lookup
[i
].chain_list
);
4072 ioc
->scsi_lookup
[i
].cb_idx
= 0xFF;
4073 ioc
->scsi_lookup
[i
].smid
= smid
;
4074 ioc
->scsi_lookup
[i
].scmd
= NULL
;
4075 ioc
->scsi_lookup
[i
].direct_io
= 0;
4076 list_add_tail(&ioc
->scsi_lookup
[i
].tracker_list
,
4080 /* hi-priority queue */
4081 INIT_LIST_HEAD(&ioc
->hpr_free_list
);
4082 smid
= ioc
->hi_priority_smid
;
4083 for (i
= 0; i
< ioc
->hi_priority_depth
; i
++, smid
++) {
4084 ioc
->hpr_lookup
[i
].cb_idx
= 0xFF;
4085 ioc
->hpr_lookup
[i
].smid
= smid
;
4086 list_add_tail(&ioc
->hpr_lookup
[i
].tracker_list
,
4087 &ioc
->hpr_free_list
);
4090 /* internal queue */
4091 INIT_LIST_HEAD(&ioc
->internal_free_list
);
4092 smid
= ioc
->internal_smid
;
4093 for (i
= 0; i
< ioc
->internal_depth
; i
++, smid
++) {
4094 ioc
->internal_lookup
[i
].cb_idx
= 0xFF;
4095 ioc
->internal_lookup
[i
].smid
= smid
;
4096 list_add_tail(&ioc
->internal_lookup
[i
].tracker_list
,
4097 &ioc
->internal_free_list
);
4101 INIT_LIST_HEAD(&ioc
->free_chain_list
);
4102 for (i
= 0; i
< ioc
->chain_depth
; i
++)
4103 list_add_tail(&ioc
->chain_lookup
[i
].tracker_list
,
4104 &ioc
->free_chain_list
);
4106 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
4108 /* initialize Reply Free Queue */
4109 for (i
= 0, reply_address
= (u32
)ioc
->reply_dma
;
4110 i
< ioc
->reply_free_queue_depth
; i
++, reply_address
+=
4112 ioc
->reply_free
[i
] = cpu_to_le32(reply_address
);
4114 /* initialize reply queues */
4115 _base_assign_reply_queues(ioc
);
4117 /* initialize Reply Post Free Queue */
4118 reply_post_free
= (long)ioc
->reply_post_free
;
4119 reply_post_free_sz
= ioc
->reply_post_queue_depth
*
4120 sizeof(Mpi2DefaultReplyDescriptor_t
);
4121 list_for_each_entry(reply_q
, &ioc
->reply_queue_list
, list
) {
4122 reply_q
->reply_post_host_index
= 0;
4123 reply_q
->reply_post_free
= (Mpi2ReplyDescriptorsUnion_t
*)
4125 for (i
= 0; i
< ioc
->reply_post_queue_depth
; i
++)
4126 reply_q
->reply_post_free
[i
].Words
=
4127 cpu_to_le64(ULLONG_MAX
);
4128 if (!_base_is_controller_msix_enabled(ioc
))
4129 goto skip_init_reply_post_free_queue
;
4130 reply_post_free
+= reply_post_free_sz
;
4132 skip_init_reply_post_free_queue
:
4134 r
= _base_send_ioc_init(ioc
, sleep_flag
);
4138 /* initialize reply free host index */
4139 ioc
->reply_free_host_index
= ioc
->reply_free_queue_depth
- 1;
4140 writel(ioc
->reply_free_host_index
, &ioc
->chip
->ReplyFreeHostIndex
);
4142 /* initialize reply post host index */
4143 list_for_each_entry(reply_q
, &ioc
->reply_queue_list
, list
) {
4144 writel(reply_q
->msix_index
<< MPI2_RPHI_MSIX_INDEX_SHIFT
,
4145 &ioc
->chip
->ReplyPostHostIndex
);
4146 if (!_base_is_controller_msix_enabled(ioc
))
4147 goto skip_init_reply_post_host_index
;
4150 skip_init_reply_post_host_index
:
4152 _base_unmask_interrupts(ioc
);
4154 r
= _base_event_notification(ioc
, sleep_flag
);
4158 if (sleep_flag
== CAN_SLEEP
)
4159 _base_static_config_pages(ioc
);
4162 if (ioc
->is_driver_loading
) {
4166 ioc
->wait_for_discovery_to_complete
=
4167 _base_determine_wait_on_discovery(ioc
);
4168 return r
; /* scan_start and scan_finished support */
4172 if (ioc
->wait_for_discovery_to_complete
&& ioc
->is_warpdrive
) {
4173 if (ioc
->manu_pg10
.OEMIdentifier
== 0x80) {
4174 hide_flag
= (u8
) (ioc
->manu_pg10
.OEMSpecificFlags0
&
4175 MFG_PAGE10_HIDE_SSDS_MASK
);
4176 if (hide_flag
!= MFG_PAGE10_HIDE_SSDS_MASK
)
4177 ioc
->mfg_pg10_hide_flag
= hide_flag
;
4181 r
= _base_send_port_enable(ioc
, sleep_flag
);
4189 * mpt2sas_base_free_resources - free resources controller resources (io/irq/memap)
4190 * @ioc: per adapter object
4195 mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER
*ioc
)
4197 struct pci_dev
*pdev
= ioc
->pdev
;
4199 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
4202 _base_mask_interrupts(ioc
);
4203 ioc
->shost_recovery
= 1;
4204 _base_make_ioc_ready(ioc
, CAN_SLEEP
, SOFT_RESET
);
4205 ioc
->shost_recovery
= 0;
4206 _base_free_irq(ioc
);
4207 _base_disable_msix(ioc
);
4211 pci_release_selected_regions(ioc
->pdev
, ioc
->bars
);
4212 pci_disable_pcie_error_reporting(pdev
);
4213 pci_disable_device(pdev
);
4218 * mpt2sas_base_attach - attach controller instance
4219 * @ioc: per adapter object
4221 * Returns 0 for success, non-zero for failure.
4224 mpt2sas_base_attach(struct MPT2SAS_ADAPTER
*ioc
)
4227 int cpu_id
, last_cpu_id
= 0;
4229 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
4232 /* setup cpu_msix_table */
4233 ioc
->cpu_count
= num_online_cpus();
4234 for_each_online_cpu(cpu_id
)
4235 last_cpu_id
= cpu_id
;
4236 ioc
->cpu_msix_table_sz
= last_cpu_id
+ 1;
4237 ioc
->cpu_msix_table
= kzalloc(ioc
->cpu_msix_table_sz
, GFP_KERNEL
);
4238 ioc
->reply_queue_count
= 1;
4239 if (!ioc
->cpu_msix_table
) {
4240 dfailprintk(ioc
, printk(MPT2SAS_INFO_FMT
"allocation for "
4241 "cpu_msix_table failed!!!\n", ioc
->name
));
4243 goto out_free_resources
;
4246 if (ioc
->is_warpdrive
) {
4247 ioc
->reply_post_host_index
= kcalloc(ioc
->cpu_msix_table_sz
,
4248 sizeof(resource_size_t
*), GFP_KERNEL
);
4249 if (!ioc
->reply_post_host_index
) {
4250 dfailprintk(ioc
, printk(MPT2SAS_INFO_FMT
"allocation "
4251 "for cpu_msix_table failed!!!\n", ioc
->name
));
4253 goto out_free_resources
;
4257 r
= mpt2sas_base_map_resources(ioc
);
4261 if (ioc
->is_warpdrive
) {
4262 ioc
->reply_post_host_index
[0] =
4263 (resource_size_t
*)&ioc
->chip
->ReplyPostHostIndex
;
4265 for (i
= 1; i
< ioc
->cpu_msix_table_sz
; i
++)
4266 ioc
->reply_post_host_index
[i
] = (resource_size_t
*)
4267 ((u8
*)&ioc
->chip
->Doorbell
+ (0x4000 + ((i
- 1)
4271 pci_set_drvdata(ioc
->pdev
, ioc
->shost
);
4272 r
= _base_get_ioc_facts(ioc
, CAN_SLEEP
);
4274 goto out_free_resources
;
4276 r
= _base_make_ioc_ready(ioc
, CAN_SLEEP
, SOFT_RESET
);
4278 goto out_free_resources
;
4280 ioc
->pfacts
= kcalloc(ioc
->facts
.NumberOfPorts
,
4281 sizeof(Mpi2PortFactsReply_t
), GFP_KERNEL
);
4284 goto out_free_resources
;
4287 for (i
= 0 ; i
< ioc
->facts
.NumberOfPorts
; i
++) {
4288 r
= _base_get_port_facts(ioc
, i
, CAN_SLEEP
);
4290 goto out_free_resources
;
4293 r
= _base_allocate_memory_pools(ioc
, CAN_SLEEP
);
4295 goto out_free_resources
;
4297 init_waitqueue_head(&ioc
->reset_wq
);
4299 /* allocate memory pd handle bitmask list */
4300 ioc
->pd_handles_sz
= (ioc
->facts
.MaxDevHandle
/ 8);
4301 if (ioc
->facts
.MaxDevHandle
% 8)
4302 ioc
->pd_handles_sz
++;
4303 ioc
->pd_handles
= kzalloc(ioc
->pd_handles_sz
,
4305 if (!ioc
->pd_handles
) {
4307 goto out_free_resources
;
4310 ioc
->fwfault_debug
= mpt2sas_fwfault_debug
;
4312 /* base internal command bits */
4313 mutex_init(&ioc
->base_cmds
.mutex
);
4314 ioc
->base_cmds
.reply
= kzalloc(ioc
->reply_sz
, GFP_KERNEL
);
4315 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
4317 /* port_enable command bits */
4318 ioc
->port_enable_cmds
.reply
= kzalloc(ioc
->reply_sz
, GFP_KERNEL
);
4319 ioc
->port_enable_cmds
.status
= MPT2_CMD_NOT_USED
;
4321 /* transport internal command bits */
4322 ioc
->transport_cmds
.reply
= kzalloc(ioc
->reply_sz
, GFP_KERNEL
);
4323 ioc
->transport_cmds
.status
= MPT2_CMD_NOT_USED
;
4324 mutex_init(&ioc
->transport_cmds
.mutex
);
4326 /* scsih internal command bits */
4327 ioc
->scsih_cmds
.reply
= kzalloc(ioc
->reply_sz
, GFP_KERNEL
);
4328 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
4329 mutex_init(&ioc
->scsih_cmds
.mutex
);
4331 /* task management internal command bits */
4332 ioc
->tm_cmds
.reply
= kzalloc(ioc
->reply_sz
, GFP_KERNEL
);
4333 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
4334 mutex_init(&ioc
->tm_cmds
.mutex
);
4336 /* config page internal command bits */
4337 ioc
->config_cmds
.reply
= kzalloc(ioc
->reply_sz
, GFP_KERNEL
);
4338 ioc
->config_cmds
.status
= MPT2_CMD_NOT_USED
;
4339 mutex_init(&ioc
->config_cmds
.mutex
);
4341 /* ctl module internal command bits */
4342 ioc
->ctl_cmds
.reply
= kzalloc(ioc
->reply_sz
, GFP_KERNEL
);
4343 ioc
->ctl_cmds
.sense
= kzalloc(SCSI_SENSE_BUFFERSIZE
, GFP_KERNEL
);
4344 ioc
->ctl_cmds
.status
= MPT2_CMD_NOT_USED
;
4345 mutex_init(&ioc
->ctl_cmds
.mutex
);
4347 if (!ioc
->base_cmds
.reply
|| !ioc
->transport_cmds
.reply
||
4348 !ioc
->scsih_cmds
.reply
|| !ioc
->tm_cmds
.reply
||
4349 !ioc
->config_cmds
.reply
|| !ioc
->ctl_cmds
.reply
||
4350 !ioc
->ctl_cmds
.sense
) {
4352 goto out_free_resources
;
4355 if (!ioc
->base_cmds
.reply
|| !ioc
->transport_cmds
.reply
||
4356 !ioc
->scsih_cmds
.reply
|| !ioc
->tm_cmds
.reply
||
4357 !ioc
->config_cmds
.reply
|| !ioc
->ctl_cmds
.reply
) {
4359 goto out_free_resources
;
4362 for (i
= 0; i
< MPI2_EVENT_NOTIFY_EVENTMASK_WORDS
; i
++)
4363 ioc
->event_masks
[i
] = -1;
4365 /* here we enable the events we care about */
4366 _base_unmask_events(ioc
, MPI2_EVENT_SAS_DISCOVERY
);
4367 _base_unmask_events(ioc
, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
);
4368 _base_unmask_events(ioc
, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
);
4369 _base_unmask_events(ioc
, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
);
4370 _base_unmask_events(ioc
, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
);
4371 _base_unmask_events(ioc
, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
);
4372 _base_unmask_events(ioc
, MPI2_EVENT_IR_VOLUME
);
4373 _base_unmask_events(ioc
, MPI2_EVENT_IR_PHYSICAL_DISK
);
4374 _base_unmask_events(ioc
, MPI2_EVENT_IR_OPERATION_STATUS
);
4375 _base_unmask_events(ioc
, MPI2_EVENT_LOG_ENTRY_ADDED
);
4376 r
= _base_make_ioc_operational(ioc
, CAN_SLEEP
);
4378 goto out_free_resources
;
4380 if (missing_delay
[0] != -1 && missing_delay
[1] != -1)
4381 _base_update_missing_delay(ioc
, missing_delay
[0],
4388 ioc
->remove_host
= 1;
4389 mpt2sas_base_free_resources(ioc
);
4390 _base_release_memory_pools(ioc
);
4391 pci_set_drvdata(ioc
->pdev
, NULL
);
4392 kfree(ioc
->cpu_msix_table
);
4393 if (ioc
->is_warpdrive
)
4394 kfree(ioc
->reply_post_host_index
);
4395 kfree(ioc
->pd_handles
);
4396 kfree(ioc
->tm_cmds
.reply
);
4397 kfree(ioc
->transport_cmds
.reply
);
4398 kfree(ioc
->scsih_cmds
.reply
);
4399 kfree(ioc
->config_cmds
.reply
);
4400 kfree(ioc
->base_cmds
.reply
);
4401 kfree(ioc
->port_enable_cmds
.reply
);
4402 kfree(ioc
->ctl_cmds
.reply
);
4403 kfree(ioc
->ctl_cmds
.sense
);
4405 ioc
->ctl_cmds
.reply
= NULL
;
4406 ioc
->base_cmds
.reply
= NULL
;
4407 ioc
->tm_cmds
.reply
= NULL
;
4408 ioc
->scsih_cmds
.reply
= NULL
;
4409 ioc
->transport_cmds
.reply
= NULL
;
4410 ioc
->config_cmds
.reply
= NULL
;
4417 * mpt2sas_base_detach - remove controller instance
4418 * @ioc: per adapter object
4423 mpt2sas_base_detach(struct MPT2SAS_ADAPTER
*ioc
)
4426 dexitprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
,
4429 mpt2sas_base_stop_watchdog(ioc
);
4430 mpt2sas_base_free_resources(ioc
);
4431 _base_release_memory_pools(ioc
);
4432 pci_set_drvdata(ioc
->pdev
, NULL
);
4433 kfree(ioc
->cpu_msix_table
);
4434 if (ioc
->is_warpdrive
)
4435 kfree(ioc
->reply_post_host_index
);
4436 kfree(ioc
->pd_handles
);
4438 kfree(ioc
->ctl_cmds
.reply
);
4439 kfree(ioc
->ctl_cmds
.sense
);
4440 kfree(ioc
->base_cmds
.reply
);
4441 kfree(ioc
->port_enable_cmds
.reply
);
4442 kfree(ioc
->tm_cmds
.reply
);
4443 kfree(ioc
->transport_cmds
.reply
);
4444 kfree(ioc
->scsih_cmds
.reply
);
4445 kfree(ioc
->config_cmds
.reply
);
4449 * _base_reset_handler - reset callback handler (for base)
4450 * @ioc: per adapter object
4451 * @reset_phase: phase
4453 * The handler for doing any required cleanup or initialization.
4455 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
4456 * MPT2_IOC_DONE_RESET
4461 _base_reset_handler(struct MPT2SAS_ADAPTER
*ioc
, int reset_phase
)
4463 mpt2sas_scsih_reset_handler(ioc
, reset_phase
);
4464 mpt2sas_ctl_reset_handler(ioc
, reset_phase
);
4465 switch (reset_phase
) {
4466 case MPT2_IOC_PRE_RESET
:
4467 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
4468 "MPT2_IOC_PRE_RESET\n", ioc
->name
, __func__
));
4470 case MPT2_IOC_AFTER_RESET
:
4471 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
4472 "MPT2_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
4473 if (ioc
->transport_cmds
.status
& MPT2_CMD_PENDING
) {
4474 ioc
->transport_cmds
.status
|= MPT2_CMD_RESET
;
4475 mpt2sas_base_free_smid(ioc
, ioc
->transport_cmds
.smid
);
4476 complete(&ioc
->transport_cmds
.done
);
4478 if (ioc
->base_cmds
.status
& MPT2_CMD_PENDING
) {
4479 ioc
->base_cmds
.status
|= MPT2_CMD_RESET
;
4480 mpt2sas_base_free_smid(ioc
, ioc
->base_cmds
.smid
);
4481 complete(&ioc
->base_cmds
.done
);
4483 if (ioc
->port_enable_cmds
.status
& MPT2_CMD_PENDING
) {
4484 ioc
->port_enable_failed
= 1;
4485 ioc
->port_enable_cmds
.status
|= MPT2_CMD_RESET
;
4486 mpt2sas_base_free_smid(ioc
, ioc
->port_enable_cmds
.smid
);
4487 if (ioc
->is_driver_loading
) {
4488 ioc
->start_scan_failed
=
4489 MPI2_IOCSTATUS_INTERNAL_ERROR
;
4490 ioc
->start_scan
= 0;
4491 ioc
->port_enable_cmds
.status
=
4494 complete(&ioc
->port_enable_cmds
.done
);
4497 if (ioc
->config_cmds
.status
& MPT2_CMD_PENDING
) {
4498 ioc
->config_cmds
.status
|= MPT2_CMD_RESET
;
4499 mpt2sas_base_free_smid(ioc
, ioc
->config_cmds
.smid
);
4500 ioc
->config_cmds
.smid
= USHRT_MAX
;
4501 complete(&ioc
->config_cmds
.done
);
4504 case MPT2_IOC_DONE_RESET
:
4505 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
4506 "MPT2_IOC_DONE_RESET\n", ioc
->name
, __func__
));
4512 * _wait_for_commands_to_complete - reset controller
4513 * @ioc: Pointer to MPT_ADAPTER structure
4514 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4516 * This function waiting(3s) for all pending commands to complete
4517 * prior to putting controller in reset.
4520 _wait_for_commands_to_complete(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
)
4523 unsigned long flags
;
4526 ioc
->pending_io_count
= 0;
4527 if (sleep_flag
!= CAN_SLEEP
)
4530 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 0);
4531 if ((ioc_state
& MPI2_IOC_STATE_MASK
) != MPI2_IOC_STATE_OPERATIONAL
)
4534 /* pending command count */
4535 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
4536 for (i
= 0; i
< ioc
->scsiio_depth
; i
++)
4537 if (ioc
->scsi_lookup
[i
].cb_idx
!= 0xFF)
4538 ioc
->pending_io_count
++;
4539 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
4541 if (!ioc
->pending_io_count
)
4544 /* wait for pending commands to complete */
4545 wait_event_timeout(ioc
->reset_wq
, ioc
->pending_io_count
== 0, 10 * HZ
);
4549 * mpt2sas_base_hard_reset_handler - reset controller
4550 * @ioc: Pointer to MPT_ADAPTER structure
4551 * @sleep_flag: CAN_SLEEP or NO_SLEEP
4552 * @type: FORCE_BIG_HAMMER or SOFT_RESET
4554 * Returns 0 for success, non-zero for failure.
4557 mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER
*ioc
, int sleep_flag
,
4558 enum reset_type type
)
4561 unsigned long flags
;
4563 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter\n", ioc
->name
,
4566 if (ioc
->pci_error_recovery
) {
4567 printk(MPT2SAS_ERR_FMT
"%s: pci error recovery reset\n",
4568 ioc
->name
, __func__
);
4573 if (mpt2sas_fwfault_debug
)
4574 mpt2sas_halt_firmware(ioc
);
4576 /* TODO - What we really should be doing is pulling
4577 * out all the code associated with NO_SLEEP; its never used.
4578 * That is legacy code from mpt fusion driver, ported over.
4579 * I will leave this BUG_ON here for now till its been resolved.
4581 BUG_ON(sleep_flag
== NO_SLEEP
);
4583 /* wait for an active reset in progress to complete */
4584 if (!mutex_trylock(&ioc
->reset_in_progress_mutex
)) {
4587 } while (ioc
->shost_recovery
== 1);
4588 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: exit\n", ioc
->name
,
4590 return ioc
->ioc_reset_in_progress_status
;
4593 spin_lock_irqsave(&ioc
->ioc_reset_in_progress_lock
, flags
);
4594 ioc
->shost_recovery
= 1;
4595 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
, flags
);
4597 _base_reset_handler(ioc
, MPT2_IOC_PRE_RESET
);
4598 _wait_for_commands_to_complete(ioc
, sleep_flag
);
4599 _base_mask_interrupts(ioc
);
4600 r
= _base_make_ioc_ready(ioc
, sleep_flag
, type
);
4603 _base_reset_handler(ioc
, MPT2_IOC_AFTER_RESET
);
4605 /* If this hard reset is called while port enable is active, then
4606 * there is no reason to call make_ioc_operational
4608 if (ioc
->is_driver_loading
&& ioc
->port_enable_failed
) {
4609 ioc
->remove_host
= 1;
4613 r
= _base_make_ioc_operational(ioc
, sleep_flag
);
4615 _base_reset_handler(ioc
, MPT2_IOC_DONE_RESET
);
4617 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: %s\n",
4618 ioc
->name
, __func__
, ((r
== 0) ? "SUCCESS" : "FAILED")));
4620 spin_lock_irqsave(&ioc
->ioc_reset_in_progress_lock
, flags
);
4621 ioc
->ioc_reset_in_progress_status
= r
;
4622 ioc
->shost_recovery
= 0;
4623 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
, flags
);
4624 mutex_unlock(&ioc
->reset_in_progress_mutex
);
4626 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: exit\n", ioc
->name
,