2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
4 * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c
5 * Copyright (C) 2012 LSI Corporation
6 * (mailto:DL-MPTFusionLinux@lsi.com)
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
20 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
21 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
22 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
23 * solely responsible for determining the appropriateness of using and
24 * distributing the Program and assumes all risks associated with its
25 * exercise of rights under this Agreement, including but not limited to
26 * the risks and costs of program errors, damage to or loss of data,
27 * programs or equipment, and unavailability or interruption of operations.
29 * DISCLAIMER OF LIABILITY
30 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
31 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
33 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
34 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
35 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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38 * You should have received a copy of the GNU General Public License
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40 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
44 #include <linux/version.h>
45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/blkdev.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/delay.h>
53 #include <linux/pci.h>
54 #include <linux/interrupt.h>
55 #include <linux/aer.h>
56 #include <linux/raid_class.h>
58 #include "mpt3sas_base.h"
60 MODULE_AUTHOR(MPT3SAS_AUTHOR
);
61 MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION
);
62 MODULE_LICENSE("GPL");
63 MODULE_VERSION(MPT3SAS_DRIVER_VERSION
);
65 #define RAID_CHANNEL 1
67 static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER
*ioc
,
68 struct _sas_node
*sas_expander
);
69 static void _firmware_event_work(struct work_struct
*work
);
71 static void _scsih_remove_device(struct MPT3SAS_ADAPTER
*ioc
,
72 struct _sas_device
*sas_device
);
73 static int _scsih_add_device(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
,
74 u8 retry_count
, u8 is_pd
);
76 static u8
_scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
);
78 static void _scsih_scan_start(struct Scsi_Host
*shost
);
79 static int _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
);
81 /* global parameters */
82 LIST_HEAD(mpt3sas_ioc_list
);
84 /* local parameters */
85 static u8 scsi_io_cb_idx
= -1;
86 static u8 tm_cb_idx
= -1;
87 static u8 ctl_cb_idx
= -1;
88 static u8 base_cb_idx
= -1;
89 static u8 port_enable_cb_idx
= -1;
90 static u8 transport_cb_idx
= -1;
91 static u8 scsih_cb_idx
= -1;
92 static u8 config_cb_idx
= -1;
95 static u8 tm_tr_cb_idx
= -1 ;
96 static u8 tm_tr_volume_cb_idx
= -1 ;
97 static u8 tm_sas_control_cb_idx
= -1;
99 /* command line options */
100 static u32 logging_level
;
101 MODULE_PARM_DESC(logging_level
,
102 " bits for enabling additional logging info (default=0)");
105 static ushort max_sectors
= 0xFFFF;
106 module_param(max_sectors
, ushort
, 0);
107 MODULE_PARM_DESC(max_sectors
, "max sectors, range 64 to 32767 default=32767");
110 static int missing_delay
[2] = {-1, -1};
111 module_param_array(missing_delay
, int, NULL
, 0);
112 MODULE_PARM_DESC(missing_delay
, " device missing delay , io missing delay");
114 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
115 #define MPT3SAS_MAX_LUN (16895)
116 static int max_lun
= MPT3SAS_MAX_LUN
;
117 module_param(max_lun
, int, 0);
118 MODULE_PARM_DESC(max_lun
, " max lun, default=16895 ");
123 /* diag_buffer_enable is bitwise
125 * bit 1 set = SNAPSHOT
126 * bit 2 set = EXTENDED
128 * Either bit can be set, or both
130 static int diag_buffer_enable
= -1;
131 module_param(diag_buffer_enable
, int, 0);
132 MODULE_PARM_DESC(diag_buffer_enable
,
133 " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
134 static int disable_discovery
= -1;
135 module_param(disable_discovery
, int, 0);
136 MODULE_PARM_DESC(disable_discovery
, " disable discovery ");
139 /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
140 static int prot_mask
= -1;
141 module_param(prot_mask
, int, 0);
142 MODULE_PARM_DESC(prot_mask
, " host protection capabilities mask, def=7 ");
145 /* raid transport support */
147 static struct raid_template
*mpt3sas_raid_template
;
151 * struct sense_info - common structure for obtaining sense keys
153 * @asc: additional sense code
154 * @ascq: additional sense code qualifier
162 #define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB)
163 #define MPT3SAS_TURN_ON_FAULT_LED (0xFFFC)
164 #define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
165 #define MPT3SAS_ABRT_TASK_SET (0xFFFE)
166 #define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
168 * struct fw_event_work - firmware event struct
169 * @list: link list framework
170 * @work: work object (ioc->fault_reset_work_q)
171 * @cancel_pending_work: flag set during reset handling
172 * @ioc: per adapter object
173 * @device_handle: device handle
174 * @VF_ID: virtual function id
175 * @VP_ID: virtual port id
176 * @ignore: flag meaning this event has been marked to ignore
177 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
178 * @event_data: reply event data payload follows
180 * This object stored on ioc->fw_event_list.
182 struct fw_event_work
{
183 struct list_head list
;
184 struct work_struct work
;
185 u8 cancel_pending_work
;
186 struct delayed_work delayed_work
;
188 struct MPT3SAS_ADAPTER
*ioc
;
197 /* raid transport support */
198 static struct raid_template
*mpt3sas_raid_template
;
201 * struct _scsi_io_transfer - scsi io transfer
202 * @handle: sas device handle (assigned by firmware)
203 * @is_raid: flag set for hidden raid components
204 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
205 * @data_length: data transfer length
206 * @data_dma: dma pointer to data
209 * @cdb_length: cdb length
211 * @timeout: timeout for this command
212 * @VF_ID: virtual function id
213 * @VP_ID: virtual port id
214 * @valid_reply: flag set for reply message
215 * @sense_length: sense length
216 * @ioc_status: ioc status
217 * @scsi_state: scsi state
218 * @scsi_status: scsi staus
219 * @log_info: log information
220 * @transfer_length: data length transfer when there is a reply message
222 * Used for sending internal scsi commands to devices within this module.
223 * Refer to _scsi_send_scsi_io().
225 struct _scsi_io_transfer
{
228 enum dma_data_direction dir
;
231 u8 sense
[SCSI_SENSE_BUFFERSIZE
];
239 /* the following bits are only valid when 'valid_reply = 1' */
249 * The pci device ids are defined in mpi/mpi2_cnfg.h.
251 static DEFINE_PCI_DEVICE_TABLE(scsih_pci_table
) = {
252 /* Fury ~ 3004 and 3008 */
253 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3004
,
254 PCI_ANY_ID
, PCI_ANY_ID
},
255 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3008
,
256 PCI_ANY_ID
, PCI_ANY_ID
},
258 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3108_1
,
259 PCI_ANY_ID
, PCI_ANY_ID
},
260 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3108_2
,
261 PCI_ANY_ID
, PCI_ANY_ID
},
262 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3108_5
,
263 PCI_ANY_ID
, PCI_ANY_ID
},
264 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3108_6
,
265 PCI_ANY_ID
, PCI_ANY_ID
},
266 {0} /* Terminating entry */
268 MODULE_DEVICE_TABLE(pci
, scsih_pci_table
);
271 * _scsih_set_debug_level - global setting of ioc->logging_level.
273 * Note: The logging levels are defined in mpt3sas_debug.h.
276 _scsih_set_debug_level(const char *val
, struct kernel_param
*kp
)
278 int ret
= param_set_int(val
, kp
);
279 struct MPT3SAS_ADAPTER
*ioc
;
284 pr_info("setting logging_level(0x%08x)\n", logging_level
);
285 list_for_each_entry(ioc
, &mpt3sas_ioc_list
, list
)
286 ioc
->logging_level
= logging_level
;
289 module_param_call(logging_level
, _scsih_set_debug_level
, param_get_int
,
290 &logging_level
, 0644);
293 * _scsih_srch_boot_sas_address - search based on sas_address
294 * @sas_address: sas address
295 * @boot_device: boot device object from bios page 2
297 * Returns 1 when there's a match, 0 means no match.
300 _scsih_srch_boot_sas_address(u64 sas_address
,
301 Mpi2BootDeviceSasWwid_t
*boot_device
)
303 return (sas_address
== le64_to_cpu(boot_device
->SASAddress
)) ? 1 : 0;
307 * _scsih_srch_boot_device_name - search based on device name
308 * @device_name: device name specified in INDENTIFY fram
309 * @boot_device: boot device object from bios page 2
311 * Returns 1 when there's a match, 0 means no match.
314 _scsih_srch_boot_device_name(u64 device_name
,
315 Mpi2BootDeviceDeviceName_t
*boot_device
)
317 return (device_name
== le64_to_cpu(boot_device
->DeviceName
)) ? 1 : 0;
321 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
322 * @enclosure_logical_id: enclosure logical id
323 * @slot_number: slot number
324 * @boot_device: boot device object from bios page 2
326 * Returns 1 when there's a match, 0 means no match.
329 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id
, u16 slot_number
,
330 Mpi2BootDeviceEnclosureSlot_t
*boot_device
)
332 return (enclosure_logical_id
== le64_to_cpu(boot_device
->
333 EnclosureLogicalID
) && slot_number
== le16_to_cpu(boot_device
->
334 SlotNumber
)) ? 1 : 0;
338 * _scsih_is_boot_device - search for matching boot device.
339 * @sas_address: sas address
340 * @device_name: device name specified in INDENTIFY fram
341 * @enclosure_logical_id: enclosure logical id
342 * @slot_number: slot number
343 * @form: specifies boot device form
344 * @boot_device: boot device object from bios page 2
346 * Returns 1 when there's a match, 0 means no match.
349 _scsih_is_boot_device(u64 sas_address
, u64 device_name
,
350 u64 enclosure_logical_id
, u16 slot
, u8 form
,
351 Mpi2BiosPage2BootDevice_t
*boot_device
)
356 case MPI2_BIOSPAGE2_FORM_SAS_WWID
:
359 rc
= _scsih_srch_boot_sas_address(
360 sas_address
, &boot_device
->SasWwid
);
362 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT
:
363 if (!enclosure_logical_id
)
365 rc
= _scsih_srch_boot_encl_slot(
366 enclosure_logical_id
,
367 slot
, &boot_device
->EnclosureSlot
);
369 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME
:
372 rc
= _scsih_srch_boot_device_name(
373 device_name
, &boot_device
->DeviceName
);
375 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
:
383 * _scsih_get_sas_address - set the sas_address for given device handle
384 * @handle: device handle
385 * @sas_address: sas address
387 * Returns 0 success, non-zero when failure
390 _scsih_get_sas_address(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
,
393 Mpi2SasDevicePage0_t sas_device_pg0
;
394 Mpi2ConfigReply_t mpi_reply
;
399 if (handle
<= ioc
->sas_hba
.num_phys
) {
400 *sas_address
= ioc
->sas_hba
.sas_address
;
404 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
405 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
406 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
407 __FILE__
, __LINE__
, __func__
);
411 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
412 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
413 *sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
417 /* we hit this becuase the given parent handle doesn't exist */
418 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
421 /* else error case */
423 "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n",
424 ioc
->name
, handle
, ioc_status
,
425 __FILE__
, __LINE__
, __func__
);
430 * _scsih_determine_boot_device - determine boot device.
431 * @ioc: per adapter object
432 * @device: either sas_device or raid_device object
433 * @is_raid: [flag] 1 = raid object, 0 = sas object
435 * Determines whether this device should be first reported device to
436 * to scsi-ml or sas transport, this purpose is for persistent boot device.
437 * There are primary, alternate, and current entries in bios page 2. The order
438 * priority is primary, alternate, then current. This routine saves
439 * the corresponding device object and is_raid flag in the ioc object.
440 * The saved data to be used later in _scsih_probe_boot_devices().
443 _scsih_determine_boot_device(struct MPT3SAS_ADAPTER
*ioc
,
444 void *device
, u8 is_raid
)
446 struct _sas_device
*sas_device
;
447 struct _raid_device
*raid_device
;
450 u64 enclosure_logical_id
;
453 /* only process this function when driver loads */
454 if (!ioc
->is_driver_loading
)
457 /* no Bios, return immediately */
458 if (!ioc
->bios_pg3
.BiosVersion
)
463 sas_address
= sas_device
->sas_address
;
464 device_name
= sas_device
->device_name
;
465 enclosure_logical_id
= sas_device
->enclosure_logical_id
;
466 slot
= sas_device
->slot
;
468 raid_device
= device
;
469 sas_address
= raid_device
->wwid
;
471 enclosure_logical_id
= 0;
475 if (!ioc
->req_boot_device
.device
) {
476 if (_scsih_is_boot_device(sas_address
, device_name
,
477 enclosure_logical_id
, slot
,
478 (ioc
->bios_pg2
.ReqBootDeviceForm
&
479 MPI2_BIOSPAGE2_FORM_MASK
),
480 &ioc
->bios_pg2
.RequestedBootDevice
)) {
481 dinitprintk(ioc
, pr_info(MPT3SAS_FMT
482 "%s: req_boot_device(0x%016llx)\n",
484 (unsigned long long)sas_address
));
485 ioc
->req_boot_device
.device
= device
;
486 ioc
->req_boot_device
.is_raid
= is_raid
;
490 if (!ioc
->req_alt_boot_device
.device
) {
491 if (_scsih_is_boot_device(sas_address
, device_name
,
492 enclosure_logical_id
, slot
,
493 (ioc
->bios_pg2
.ReqAltBootDeviceForm
&
494 MPI2_BIOSPAGE2_FORM_MASK
),
495 &ioc
->bios_pg2
.RequestedAltBootDevice
)) {
496 dinitprintk(ioc
, pr_info(MPT3SAS_FMT
497 "%s: req_alt_boot_device(0x%016llx)\n",
499 (unsigned long long)sas_address
));
500 ioc
->req_alt_boot_device
.device
= device
;
501 ioc
->req_alt_boot_device
.is_raid
= is_raid
;
505 if (!ioc
->current_boot_device
.device
) {
506 if (_scsih_is_boot_device(sas_address
, device_name
,
507 enclosure_logical_id
, slot
,
508 (ioc
->bios_pg2
.CurrentBootDeviceForm
&
509 MPI2_BIOSPAGE2_FORM_MASK
),
510 &ioc
->bios_pg2
.CurrentBootDevice
)) {
511 dinitprintk(ioc
, pr_info(MPT3SAS_FMT
512 "%s: current_boot_device(0x%016llx)\n",
514 (unsigned long long)sas_address
));
515 ioc
->current_boot_device
.device
= device
;
516 ioc
->current_boot_device
.is_raid
= is_raid
;
522 * mpt3sas_scsih_sas_device_find_by_sas_address - sas device search
523 * @ioc: per adapter object
524 * @sas_address: sas address
525 * Context: Calling function should acquire ioc->sas_device_lock
527 * This searches for sas_device based on sas_address, then return sas_device
531 mpt3sas_scsih_sas_device_find_by_sas_address(struct MPT3SAS_ADAPTER
*ioc
,
534 struct _sas_device
*sas_device
;
536 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
537 if (sas_device
->sas_address
== sas_address
)
540 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
541 if (sas_device
->sas_address
== sas_address
)
548 * _scsih_sas_device_find_by_handle - sas device search
549 * @ioc: per adapter object
550 * @handle: sas device handle (assigned by firmware)
551 * Context: Calling function should acquire ioc->sas_device_lock
553 * This searches for sas_device based on sas_address, then return sas_device
556 static struct _sas_device
*
557 _scsih_sas_device_find_by_handle(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
559 struct _sas_device
*sas_device
;
561 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
562 if (sas_device
->handle
== handle
)
565 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
566 if (sas_device
->handle
== handle
)
573 * _scsih_sas_device_remove - remove sas_device from list.
574 * @ioc: per adapter object
575 * @sas_device: the sas_device object
576 * Context: This function will acquire ioc->sas_device_lock.
578 * Removing object and freeing associated memory from the ioc->sas_device_list.
581 _scsih_sas_device_remove(struct MPT3SAS_ADAPTER
*ioc
,
582 struct _sas_device
*sas_device
)
589 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
590 list_del(&sas_device
->list
);
592 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
596 * _scsih_device_remove_by_handle - removing device object by handle
597 * @ioc: per adapter object
598 * @handle: device handle
603 _scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
605 struct _sas_device
*sas_device
;
608 if (ioc
->shost_recovery
)
611 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
612 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
614 list_del(&sas_device
->list
);
615 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
617 _scsih_remove_device(ioc
, sas_device
);
621 * mpt3sas_device_remove_by_sas_address - removing device object by sas address
622 * @ioc: per adapter object
623 * @sas_address: device sas_address
628 mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER
*ioc
,
631 struct _sas_device
*sas_device
;
634 if (ioc
->shost_recovery
)
637 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
638 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
641 list_del(&sas_device
->list
);
642 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
644 _scsih_remove_device(ioc
, sas_device
);
648 * _scsih_sas_device_add - insert sas_device to the list.
649 * @ioc: per adapter object
650 * @sas_device: the sas_device object
651 * Context: This function will acquire ioc->sas_device_lock.
653 * Adding new object to the ioc->sas_device_list.
656 _scsih_sas_device_add(struct MPT3SAS_ADAPTER
*ioc
,
657 struct _sas_device
*sas_device
)
661 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
662 "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
663 ioc
->name
, __func__
, sas_device
->handle
,
664 (unsigned long long)sas_device
->sas_address
));
666 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
667 list_add_tail(&sas_device
->list
, &ioc
->sas_device_list
);
668 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
670 if (!mpt3sas_transport_port_add(ioc
, sas_device
->handle
,
671 sas_device
->sas_address_parent
)) {
672 _scsih_sas_device_remove(ioc
, sas_device
);
673 } else if (!sas_device
->starget
) {
675 * When asyn scanning is enabled, its not possible to remove
676 * devices while scanning is turned on due to an oops in
677 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
679 if (!ioc
->is_driver_loading
)
680 mpt3sas_transport_port_remove(ioc
,
681 sas_device
->sas_address
,
682 sas_device
->sas_address_parent
);
683 _scsih_sas_device_remove(ioc
, sas_device
);
688 * _scsih_sas_device_init_add - insert sas_device to the list.
689 * @ioc: per adapter object
690 * @sas_device: the sas_device object
691 * Context: This function will acquire ioc->sas_device_lock.
693 * Adding new object at driver load time to the ioc->sas_device_init_list.
696 _scsih_sas_device_init_add(struct MPT3SAS_ADAPTER
*ioc
,
697 struct _sas_device
*sas_device
)
701 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
702 "%s: handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
703 __func__
, sas_device
->handle
,
704 (unsigned long long)sas_device
->sas_address
));
706 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
707 list_add_tail(&sas_device
->list
, &ioc
->sas_device_init_list
);
708 _scsih_determine_boot_device(ioc
, sas_device
, 0);
709 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
713 * _scsih_raid_device_find_by_id - raid device search
714 * @ioc: per adapter object
715 * @id: sas device target id
716 * @channel: sas device channel
717 * Context: Calling function should acquire ioc->raid_device_lock
719 * This searches for raid_device based on target id, then return raid_device
722 static struct _raid_device
*
723 _scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER
*ioc
, int id
, int channel
)
725 struct _raid_device
*raid_device
, *r
;
728 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
729 if (raid_device
->id
== id
&& raid_device
->channel
== channel
) {
740 * _scsih_raid_device_find_by_handle - raid device search
741 * @ioc: per adapter object
742 * @handle: sas device handle (assigned by firmware)
743 * Context: Calling function should acquire ioc->raid_device_lock
745 * This searches for raid_device based on handle, then return raid_device
748 static struct _raid_device
*
749 _scsih_raid_device_find_by_handle(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
751 struct _raid_device
*raid_device
, *r
;
754 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
755 if (raid_device
->handle
!= handle
)
766 * _scsih_raid_device_find_by_wwid - raid device search
767 * @ioc: per adapter object
768 * @handle: sas device handle (assigned by firmware)
769 * Context: Calling function should acquire ioc->raid_device_lock
771 * This searches for raid_device based on wwid, then return raid_device
774 static struct _raid_device
*
775 _scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER
*ioc
, u64 wwid
)
777 struct _raid_device
*raid_device
, *r
;
780 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
781 if (raid_device
->wwid
!= wwid
)
792 * _scsih_raid_device_add - add raid_device object
793 * @ioc: per adapter object
794 * @raid_device: raid_device object
796 * This is added to the raid_device_list link list.
799 _scsih_raid_device_add(struct MPT3SAS_ADAPTER
*ioc
,
800 struct _raid_device
*raid_device
)
804 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
805 "%s: handle(0x%04x), wwid(0x%016llx)\n", ioc
->name
, __func__
,
806 raid_device
->handle
, (unsigned long long)raid_device
->wwid
));
808 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
809 list_add_tail(&raid_device
->list
, &ioc
->raid_device_list
);
810 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
814 * _scsih_raid_device_remove - delete raid_device object
815 * @ioc: per adapter object
816 * @raid_device: raid_device object
820 _scsih_raid_device_remove(struct MPT3SAS_ADAPTER
*ioc
,
821 struct _raid_device
*raid_device
)
825 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
826 list_del(&raid_device
->list
);
828 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
832 * mpt3sas_scsih_expander_find_by_handle - expander device search
833 * @ioc: per adapter object
834 * @handle: expander handle (assigned by firmware)
835 * Context: Calling function should acquire ioc->sas_device_lock
837 * This searches for expander device based on handle, then returns the
841 mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
843 struct _sas_node
*sas_expander
, *r
;
846 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
847 if (sas_expander
->handle
!= handle
)
857 * mpt3sas_scsih_expander_find_by_sas_address - expander device search
858 * @ioc: per adapter object
859 * @sas_address: sas address
860 * Context: Calling function should acquire ioc->sas_node_lock.
862 * This searches for expander device based on sas_address, then returns the
866 mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER
*ioc
,
869 struct _sas_node
*sas_expander
, *r
;
872 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
873 if (sas_expander
->sas_address
!= sas_address
)
883 * _scsih_expander_node_add - insert expander device to the list.
884 * @ioc: per adapter object
885 * @sas_expander: the sas_device object
886 * Context: This function will acquire ioc->sas_node_lock.
888 * Adding new object to the ioc->sas_expander_list.
893 _scsih_expander_node_add(struct MPT3SAS_ADAPTER
*ioc
,
894 struct _sas_node
*sas_expander
)
898 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
899 list_add_tail(&sas_expander
->list
, &ioc
->sas_expander_list
);
900 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
904 * _scsih_is_end_device - determines if device is an end device
905 * @device_info: bitfield providing information about the device.
908 * Returns 1 if end device.
911 _scsih_is_end_device(u32 device_info
)
913 if (device_info
& MPI2_SAS_DEVICE_INFO_END_DEVICE
&&
914 ((device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) |
915 (device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
) |
916 (device_info
& MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)))
923 * _scsih_scsi_lookup_get - returns scmd entry
924 * @ioc: per adapter object
925 * @smid: system request message index
927 * Returns the smid stored scmd pointer.
929 static struct scsi_cmnd
*
930 _scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
)
932 return ioc
->scsi_lookup
[smid
- 1].scmd
;
936 * _scsih_scsi_lookup_get_clear - returns scmd entry
937 * @ioc: per adapter object
938 * @smid: system request message index
940 * Returns the smid stored scmd pointer.
941 * Then will derefrence the stored scmd pointer.
943 static inline struct scsi_cmnd
*
944 _scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
)
947 struct scsi_cmnd
*scmd
;
949 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
950 scmd
= ioc
->scsi_lookup
[smid
- 1].scmd
;
951 ioc
->scsi_lookup
[smid
- 1].scmd
= NULL
;
952 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
958 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
959 * @ioc: per adapter object
960 * @smid: system request message index
961 * @scmd: pointer to scsi command object
962 * Context: This function will acquire ioc->scsi_lookup_lock.
964 * This will search for a scmd pointer in the scsi_lookup array,
965 * returning the revelent smid. A returned value of zero means invalid.
968 _scsih_scsi_lookup_find_by_scmd(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_cmnd
975 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
977 for (i
= 0; i
< ioc
->scsiio_depth
; i
++) {
978 if (ioc
->scsi_lookup
[i
].scmd
== scmd
) {
979 smid
= ioc
->scsi_lookup
[i
].smid
;
984 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
989 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
990 * @ioc: per adapter object
993 * Context: This function will acquire ioc->scsi_lookup_lock.
995 * This will search for a matching channel:id in the scsi_lookup array,
996 * returning 1 if found.
999 _scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER
*ioc
, int id
,
1003 unsigned long flags
;
1006 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1008 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
1009 if (ioc
->scsi_lookup
[i
].scmd
&&
1010 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
1011 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
)) {
1017 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1022 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1023 * @ioc: per adapter object
1027 * Context: This function will acquire ioc->scsi_lookup_lock.
1029 * This will search for a matching channel:id:lun in the scsi_lookup array,
1030 * returning 1 if found.
1033 _scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER
*ioc
, int id
,
1034 unsigned int lun
, int channel
)
1037 unsigned long flags
;
1040 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1042 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
1043 if (ioc
->scsi_lookup
[i
].scmd
&&
1044 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
1045 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
&&
1046 ioc
->scsi_lookup
[i
].scmd
->device
->lun
== lun
)) {
1052 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1058 _scsih_adjust_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1060 struct Scsi_Host
*shost
= sdev
->host
;
1062 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
1063 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
1064 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1065 struct _sas_device
*sas_device
;
1066 unsigned long flags
;
1068 max_depth
= shost
->can_queue
;
1070 /* limit max device queue for SATA to 32 */
1071 sas_device_priv_data
= sdev
->hostdata
;
1072 if (!sas_device_priv_data
)
1074 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1075 if (!sas_target_priv_data
)
1077 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))
1079 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1080 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1081 sas_device_priv_data
->sas_target
->sas_address
);
1082 if (sas_device
&& sas_device
->device_info
&
1083 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1084 max_depth
= MPT3SAS_SATA_QUEUE_DEPTH
;
1085 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1089 if (!sdev
->tagged_supported
)
1091 if (qdepth
> max_depth
)
1093 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1097 * _scsih_change_queue_depth - setting device queue depth
1098 * @sdev: scsi device struct
1099 * @qdepth: requested queue depth
1100 * @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP
1101 * (see include/scsi/scsi_host.h for definition)
1103 * Returns queue depth.
1106 _scsih_change_queue_depth(struct scsi_device
*sdev
, int qdepth
, int reason
)
1108 if (reason
== SCSI_QDEPTH_DEFAULT
|| reason
== SCSI_QDEPTH_RAMP_UP
)
1109 _scsih_adjust_queue_depth(sdev
, qdepth
);
1110 else if (reason
== SCSI_QDEPTH_QFULL
)
1111 scsi_track_queue_full(sdev
, qdepth
);
1115 if (sdev
->inquiry_len
> 7)
1116 sdev_printk(KERN_INFO
, sdev
, "qdepth(%d), tagged(%d), " \
1117 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1118 sdev
->queue_depth
, sdev
->tagged_supported
, sdev
->simple_tags
,
1119 sdev
->ordered_tags
, sdev
->scsi_level
,
1120 (sdev
->inquiry
[7] & 2) >> 1);
1122 return sdev
->queue_depth
;
1126 * _scsih_change_queue_type - changing device queue tag type
1127 * @sdev: scsi device struct
1128 * @tag_type: requested tag type
1130 * Returns queue tag type.
1133 _scsih_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1135 if (sdev
->tagged_supported
) {
1136 scsi_set_tag_type(sdev
, tag_type
);
1138 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1140 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1149 * _scsih_target_alloc - target add routine
1150 * @starget: scsi target struct
1152 * Returns 0 if ok. Any other return is assumed to be an error and
1153 * the device is ignored.
1156 _scsih_target_alloc(struct scsi_target
*starget
)
1158 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1159 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
1160 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1161 struct _sas_device
*sas_device
;
1162 struct _raid_device
*raid_device
;
1163 unsigned long flags
;
1164 struct sas_rphy
*rphy
;
1166 sas_target_priv_data
= kzalloc(sizeof(struct scsi_target
), GFP_KERNEL
);
1167 if (!sas_target_priv_data
)
1170 starget
->hostdata
= sas_target_priv_data
;
1171 sas_target_priv_data
->starget
= starget
;
1172 sas_target_priv_data
->handle
= MPT3SAS_INVALID_DEVICE_HANDLE
;
1175 if (starget
->channel
== RAID_CHANNEL
) {
1176 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1177 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1180 sas_target_priv_data
->handle
= raid_device
->handle
;
1181 sas_target_priv_data
->sas_address
= raid_device
->wwid
;
1182 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_VOLUME
;
1183 raid_device
->starget
= starget
;
1185 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1189 /* sas/sata devices */
1190 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1191 rphy
= dev_to_rphy(starget
->dev
.parent
);
1192 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1193 rphy
->identify
.sas_address
);
1196 sas_target_priv_data
->handle
= sas_device
->handle
;
1197 sas_target_priv_data
->sas_address
= sas_device
->sas_address
;
1198 sas_device
->starget
= starget
;
1199 sas_device
->id
= starget
->id
;
1200 sas_device
->channel
= starget
->channel
;
1201 if (test_bit(sas_device
->handle
, ioc
->pd_handles
))
1202 sas_target_priv_data
->flags
|=
1203 MPT_TARGET_FLAGS_RAID_COMPONENT
;
1204 if (sas_device
->fast_path
)
1205 sas_target_priv_data
->flags
|= MPT_TARGET_FASTPATH_IO
;
1207 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1213 * _scsih_target_destroy - target destroy routine
1214 * @starget: scsi target struct
1219 _scsih_target_destroy(struct scsi_target
*starget
)
1221 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1222 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
1223 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1224 struct _sas_device
*sas_device
;
1225 struct _raid_device
*raid_device
;
1226 unsigned long flags
;
1227 struct sas_rphy
*rphy
;
1229 sas_target_priv_data
= starget
->hostdata
;
1230 if (!sas_target_priv_data
)
1233 if (starget
->channel
== RAID_CHANNEL
) {
1234 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1235 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1238 raid_device
->starget
= NULL
;
1239 raid_device
->sdev
= NULL
;
1241 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1245 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1246 rphy
= dev_to_rphy(starget
->dev
.parent
);
1247 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1248 rphy
->identify
.sas_address
);
1249 if (sas_device
&& (sas_device
->starget
== starget
) &&
1250 (sas_device
->id
== starget
->id
) &&
1251 (sas_device
->channel
== starget
->channel
))
1252 sas_device
->starget
= NULL
;
1254 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1257 kfree(sas_target_priv_data
);
1258 starget
->hostdata
= NULL
;
1262 * _scsih_slave_alloc - device add routine
1263 * @sdev: scsi device struct
1265 * Returns 0 if ok. Any other return is assumed to be an error and
1266 * the device is ignored.
1269 _scsih_slave_alloc(struct scsi_device
*sdev
)
1271 struct Scsi_Host
*shost
;
1272 struct MPT3SAS_ADAPTER
*ioc
;
1273 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1274 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
1275 struct scsi_target
*starget
;
1276 struct _raid_device
*raid_device
;
1277 unsigned long flags
;
1279 sas_device_priv_data
= kzalloc(sizeof(struct scsi_device
), GFP_KERNEL
);
1280 if (!sas_device_priv_data
)
1283 sas_device_priv_data
->lun
= sdev
->lun
;
1284 sas_device_priv_data
->flags
= MPT_DEVICE_FLAGS_INIT
;
1286 starget
= scsi_target(sdev
);
1287 sas_target_priv_data
= starget
->hostdata
;
1288 sas_target_priv_data
->num_luns
++;
1289 sas_device_priv_data
->sas_target
= sas_target_priv_data
;
1290 sdev
->hostdata
= sas_device_priv_data
;
1291 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
))
1292 sdev
->no_uld_attach
= 1;
1294 shost
= dev_to_shost(&starget
->dev
);
1295 ioc
= shost_priv(shost
);
1296 if (starget
->channel
== RAID_CHANNEL
) {
1297 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1298 raid_device
= _scsih_raid_device_find_by_id(ioc
,
1299 starget
->id
, starget
->channel
);
1301 raid_device
->sdev
= sdev
; /* raid is single lun */
1302 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1309 * _scsih_slave_destroy - device destroy routine
1310 * @sdev: scsi device struct
1315 _scsih_slave_destroy(struct scsi_device
*sdev
)
1317 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1318 struct scsi_target
*starget
;
1319 struct Scsi_Host
*shost
;
1320 struct MPT3SAS_ADAPTER
*ioc
;
1321 struct _sas_device
*sas_device
;
1322 unsigned long flags
;
1324 if (!sdev
->hostdata
)
1327 starget
= scsi_target(sdev
);
1328 sas_target_priv_data
= starget
->hostdata
;
1329 sas_target_priv_data
->num_luns
--;
1331 shost
= dev_to_shost(&starget
->dev
);
1332 ioc
= shost_priv(shost
);
1334 if (!(sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
)) {
1335 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1336 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1337 sas_target_priv_data
->sas_address
);
1338 if (sas_device
&& !sas_target_priv_data
->num_luns
)
1339 sas_device
->starget
= NULL
;
1340 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1343 kfree(sdev
->hostdata
);
1344 sdev
->hostdata
= NULL
;
1348 * _scsih_display_sata_capabilities - sata capabilities
1349 * @ioc: per adapter object
1350 * @handle: device handle
1351 * @sdev: scsi device struct
1354 _scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER
*ioc
,
1355 u16 handle
, struct scsi_device
*sdev
)
1357 Mpi2ConfigReply_t mpi_reply
;
1358 Mpi2SasDevicePage0_t sas_device_pg0
;
1363 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
1364 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
1365 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1366 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1370 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1371 MPI2_IOCSTATUS_MASK
;
1372 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1373 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1374 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1378 flags
= le16_to_cpu(sas_device_pg0
.Flags
);
1379 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1381 sdev_printk(KERN_INFO
, sdev
,
1382 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1383 "sw_preserve(%s)\n",
1384 (device_info
& MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE
) ? "y" : "n",
1385 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED
) ? "y" : "n",
1386 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY
) ? "y" :
1388 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED
) ? "y" : "n",
1389 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED
) ? "y" : "n",
1390 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE
) ? "y" : "n");
1394 * raid transport support -
1395 * Enabled for SLES11 and newer, in older kernels the driver will panic when
1396 * unloading the driver followed by a load - I beleive that the subroutine
1397 * raid_class_release() is not cleaning up properly.
1401 * _scsih_is_raid - return boolean indicating device is raid volume
1402 * @dev the device struct object
1405 _scsih_is_raid(struct device
*dev
)
1407 struct scsi_device
*sdev
= to_scsi_device(dev
);
1409 return (sdev
->channel
== RAID_CHANNEL
) ? 1 : 0;
1413 * _scsih_get_resync - get raid volume resync percent complete
1414 * @dev the device struct object
1417 _scsih_get_resync(struct device
*dev
)
1419 struct scsi_device
*sdev
= to_scsi_device(dev
);
1420 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1421 static struct _raid_device
*raid_device
;
1422 unsigned long flags
;
1423 Mpi2RaidVolPage0_t vol_pg0
;
1424 Mpi2ConfigReply_t mpi_reply
;
1425 u32 volume_status_flags
;
1426 u8 percent_complete
;
1429 percent_complete
= 0;
1431 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1432 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1435 handle
= raid_device
->handle
;
1436 percent_complete
= raid_device
->percent_complete
;
1438 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1443 if (mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1444 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1445 sizeof(Mpi2RaidVolPage0_t
))) {
1446 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1447 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1448 percent_complete
= 0;
1452 volume_status_flags
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1453 if (!(volume_status_flags
&
1454 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
))
1455 percent_complete
= 0;
1458 raid_set_resync(mpt3sas_raid_template
, dev
, percent_complete
);
1462 * _scsih_get_state - get raid volume level
1463 * @dev the device struct object
1466 _scsih_get_state(struct device
*dev
)
1468 struct scsi_device
*sdev
= to_scsi_device(dev
);
1469 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1470 static struct _raid_device
*raid_device
;
1471 unsigned long flags
;
1472 Mpi2RaidVolPage0_t vol_pg0
;
1473 Mpi2ConfigReply_t mpi_reply
;
1475 enum raid_state state
= RAID_STATE_UNKNOWN
;
1478 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1479 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1482 handle
= raid_device
->handle
;
1483 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1488 if (mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1489 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1490 sizeof(Mpi2RaidVolPage0_t
))) {
1491 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1492 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1496 volstate
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1497 if (volstate
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
) {
1498 state
= RAID_STATE_RESYNCING
;
1502 switch (vol_pg0
.VolumeState
) {
1503 case MPI2_RAID_VOL_STATE_OPTIMAL
:
1504 case MPI2_RAID_VOL_STATE_ONLINE
:
1505 state
= RAID_STATE_ACTIVE
;
1507 case MPI2_RAID_VOL_STATE_DEGRADED
:
1508 state
= RAID_STATE_DEGRADED
;
1510 case MPI2_RAID_VOL_STATE_FAILED
:
1511 case MPI2_RAID_VOL_STATE_MISSING
:
1512 state
= RAID_STATE_OFFLINE
;
1516 raid_set_state(mpt3sas_raid_template
, dev
, state
);
1520 * _scsih_set_level - set raid level
1521 * @sdev: scsi device struct
1522 * @volume_type: volume type
1525 _scsih_set_level(struct scsi_device
*sdev
, u8 volume_type
)
1527 enum raid_level level
= RAID_LEVEL_UNKNOWN
;
1529 switch (volume_type
) {
1530 case MPI2_RAID_VOL_TYPE_RAID0
:
1531 level
= RAID_LEVEL_0
;
1533 case MPI2_RAID_VOL_TYPE_RAID10
:
1534 level
= RAID_LEVEL_10
;
1536 case MPI2_RAID_VOL_TYPE_RAID1E
:
1537 level
= RAID_LEVEL_1E
;
1539 case MPI2_RAID_VOL_TYPE_RAID1
:
1540 level
= RAID_LEVEL_1
;
1544 raid_set_level(mpt3sas_raid_template
, &sdev
->sdev_gendev
, level
);
1549 * _scsih_get_volume_capabilities - volume capabilities
1550 * @ioc: per adapter object
1551 * @sas_device: the raid_device object
1553 * Returns 0 for success, else 1
1556 _scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER
*ioc
,
1557 struct _raid_device
*raid_device
)
1559 Mpi2RaidVolPage0_t
*vol_pg0
;
1560 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1561 Mpi2SasDevicePage0_t sas_device_pg0
;
1562 Mpi2ConfigReply_t mpi_reply
;
1566 if ((mpt3sas_config_get_number_pds(ioc
, raid_device
->handle
,
1567 &num_pds
)) || !num_pds
) {
1568 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1569 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1574 raid_device
->num_pds
= num_pds
;
1575 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1576 sizeof(Mpi2RaidVol0PhysDisk_t
));
1577 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1579 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1580 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1585 if ((mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1586 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1587 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1588 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1594 raid_device
->volume_type
= vol_pg0
->VolumeType
;
1596 /* figure out what the underlying devices are by
1597 * obtaining the device_info bits for the 1st device
1599 if (!(mpt3sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1600 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1601 vol_pg0
->PhysDisk
[0].PhysDiskNum
))) {
1602 if (!(mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
1603 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
1604 le16_to_cpu(pd_pg0
.DevHandle
)))) {
1605 raid_device
->device_info
=
1606 le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1617 * _scsih_enable_tlr - setting TLR flags
1618 * @ioc: per adapter object
1619 * @sdev: scsi device struct
1621 * Enabling Transaction Layer Retries for tape devices when
1622 * vpd page 0x90 is present
1626 _scsih_enable_tlr(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_device
*sdev
)
1630 if (sdev
->type
!= TYPE_TAPE
)
1633 if (!(ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_TLR
))
1636 sas_enable_tlr(sdev
);
1637 sdev_printk(KERN_INFO
, sdev
, "TLR %s\n",
1638 sas_is_tlr_enabled(sdev
) ? "Enabled" : "Disabled");
1644 * _scsih_slave_configure - device configure routine.
1645 * @sdev: scsi device struct
1647 * Returns 0 if ok. Any other return is assumed to be an error and
1648 * the device is ignored.
1651 _scsih_slave_configure(struct scsi_device
*sdev
)
1653 struct Scsi_Host
*shost
= sdev
->host
;
1654 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
1655 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
1656 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1657 struct _sas_device
*sas_device
;
1658 struct _raid_device
*raid_device
;
1659 unsigned long flags
;
1664 u16 handle
, volume_handle
= 0;
1665 u64 volume_wwid
= 0;
1668 sas_device_priv_data
= sdev
->hostdata
;
1669 sas_device_priv_data
->configured_lun
= 1;
1670 sas_device_priv_data
->flags
&= ~MPT_DEVICE_FLAGS_INIT
;
1671 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1672 handle
= sas_target_priv_data
->handle
;
1674 /* raid volume handling */
1675 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
1677 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1678 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
1679 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1681 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1682 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
1683 __LINE__
, __func__
));
1687 if (_scsih_get_volume_capabilities(ioc
, raid_device
)) {
1688 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1689 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
1690 __LINE__
, __func__
));
1695 /* RAID Queue Depth Support
1696 * IS volume = underlying qdepth of drive type, either
1697 * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
1698 * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
1700 if (raid_device
->device_info
&
1701 MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
1702 qdepth
= MPT3SAS_SAS_QUEUE_DEPTH
;
1705 qdepth
= MPT3SAS_SATA_QUEUE_DEPTH
;
1706 if (raid_device
->device_info
&
1707 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1713 switch (raid_device
->volume_type
) {
1714 case MPI2_RAID_VOL_TYPE_RAID0
:
1717 case MPI2_RAID_VOL_TYPE_RAID1E
:
1718 qdepth
= MPT3SAS_RAID_QUEUE_DEPTH
;
1719 if (ioc
->manu_pg10
.OEMIdentifier
&&
1720 (le32_to_cpu(ioc
->manu_pg10
.GenericFlags0
) &
1721 MFG10_GF0_R10_DISPLAY
) &&
1722 !(raid_device
->num_pds
% 2))
1727 case MPI2_RAID_VOL_TYPE_RAID1
:
1728 qdepth
= MPT3SAS_RAID_QUEUE_DEPTH
;
1731 case MPI2_RAID_VOL_TYPE_RAID10
:
1732 qdepth
= MPT3SAS_RAID_QUEUE_DEPTH
;
1735 case MPI2_RAID_VOL_TYPE_UNKNOWN
:
1737 qdepth
= MPT3SAS_RAID_QUEUE_DEPTH
;
1742 sdev_printk(KERN_INFO
, sdev
,
1743 "%s: handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n",
1744 r_level
, raid_device
->handle
,
1745 (unsigned long long)raid_device
->wwid
,
1746 raid_device
->num_pds
, ds
);
1749 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
1751 /* raid transport support */
1752 _scsih_set_level(sdev
, raid_device
->volume_type
);
1756 /* non-raid handling */
1757 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) {
1758 if (mpt3sas_config_get_volume_handle(ioc
, handle
,
1760 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1761 "failure at %s:%d/%s()!\n", ioc
->name
,
1762 __FILE__
, __LINE__
, __func__
));
1765 if (volume_handle
&& mpt3sas_config_get_volume_wwid(ioc
,
1766 volume_handle
, &volume_wwid
)) {
1767 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1768 "failure at %s:%d/%s()!\n", ioc
->name
,
1769 __FILE__
, __LINE__
, __func__
));
1774 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1775 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1776 sas_device_priv_data
->sas_target
->sas_address
);
1778 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1779 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1780 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1785 sas_device
->volume_handle
= volume_handle
;
1786 sas_device
->volume_wwid
= volume_wwid
;
1787 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
1788 qdepth
= MPT3SAS_SAS_QUEUE_DEPTH
;
1792 qdepth
= MPT3SAS_SATA_QUEUE_DEPTH
;
1793 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
)
1795 else if (sas_device
->device_info
&
1796 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1800 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), " \
1801 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1802 ds
, handle
, (unsigned long long)sas_device
->sas_address
,
1803 sas_device
->phy
, (unsigned long long)sas_device
->device_name
);
1804 sdev_printk(KERN_INFO
, sdev
,
1805 "%s: enclosure_logical_id(0x%016llx), slot(%d)\n",
1806 ds
, (unsigned long long)
1807 sas_device
->enclosure_logical_id
, sas_device
->slot
);
1809 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1812 _scsih_display_sata_capabilities(ioc
, handle
, sdev
);
1815 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
1818 sas_read_port_mode_page(sdev
);
1819 _scsih_enable_tlr(ioc
, sdev
);
1826 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
1827 * @sdev: scsi device struct
1828 * @bdev: pointer to block device context
1829 * @capacity: device size (in 512 byte sectors)
1830 * @params: three element array to place output:
1831 * params[0] number of heads (max 255)
1832 * params[1] number of sectors (max 63)
1833 * params[2] number of cylinders
1838 _scsih_bios_param(struct scsi_device
*sdev
, struct block_device
*bdev
,
1839 sector_t capacity
, int params
[])
1849 dummy
= heads
* sectors
;
1850 cylinders
= capacity
;
1851 sector_div(cylinders
, dummy
);
1854 * Handle extended translation size for logical drives
1857 if ((ulong
)capacity
>= 0x200000) {
1860 dummy
= heads
* sectors
;
1861 cylinders
= capacity
;
1862 sector_div(cylinders
, dummy
);
1867 params
[1] = sectors
;
1868 params
[2] = cylinders
;
1874 * _scsih_response_code - translation of device response code
1875 * @ioc: per adapter object
1876 * @response_code: response code returned by the device
1881 _scsih_response_code(struct MPT3SAS_ADAPTER
*ioc
, u8 response_code
)
1885 switch (response_code
) {
1886 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE
:
1887 desc
= "task management request completed";
1889 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
:
1890 desc
= "invalid frame";
1892 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED
:
1893 desc
= "task management request not supported";
1895 case MPI2_SCSITASKMGMT_RSP_TM_FAILED
:
1896 desc
= "task management request failed";
1898 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
:
1899 desc
= "task management request succeeded";
1901 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN
:
1902 desc
= "invalid lun";
1905 desc
= "overlapped tag attempted";
1907 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
:
1908 desc
= "task queued, however not sent to target";
1914 pr_warn(MPT3SAS_FMT
"response_code(0x%01x): %s\n",
1915 ioc
->name
, response_code
, desc
);
1919 * _scsih_tm_done - tm completion routine
1920 * @ioc: per adapter object
1921 * @smid: system request message index
1922 * @msix_index: MSIX table index supplied by the OS
1923 * @reply: reply message frame(lower 32bit addr)
1926 * The callback handler when using scsih_issue_tm.
1928 * Return 1 meaning mf should be freed from _base_interrupt
1929 * 0 means the mf is freed from this function.
1932 _scsih_tm_done(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
1934 MPI2DefaultReply_t
*mpi_reply
;
1936 if (ioc
->tm_cmds
.status
== MPT3_CMD_NOT_USED
)
1938 if (ioc
->tm_cmds
.smid
!= smid
)
1940 mpt3sas_base_flush_reply_queues(ioc
);
1941 ioc
->tm_cmds
.status
|= MPT3_CMD_COMPLETE
;
1942 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
1944 memcpy(ioc
->tm_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
1945 ioc
->tm_cmds
.status
|= MPT3_CMD_REPLY_VALID
;
1947 ioc
->tm_cmds
.status
&= ~MPT3_CMD_PENDING
;
1948 complete(&ioc
->tm_cmds
.done
);
1953 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
1954 * @ioc: per adapter object
1955 * @handle: device handle
1957 * During taskmangement request, we need to freeze the device queue.
1960 mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
1962 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
1963 struct scsi_device
*sdev
;
1966 shost_for_each_device(sdev
, ioc
->shost
) {
1969 sas_device_priv_data
= sdev
->hostdata
;
1970 if (!sas_device_priv_data
)
1972 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
1973 sas_device_priv_data
->sas_target
->tm_busy
= 1;
1975 ioc
->ignore_loginfos
= 1;
1981 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
1982 * @ioc: per adapter object
1983 * @handle: device handle
1985 * During taskmangement request, we need to freeze the device queue.
1988 mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
1990 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
1991 struct scsi_device
*sdev
;
1994 shost_for_each_device(sdev
, ioc
->shost
) {
1997 sas_device_priv_data
= sdev
->hostdata
;
1998 if (!sas_device_priv_data
)
2000 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2001 sas_device_priv_data
->sas_target
->tm_busy
= 0;
2003 ioc
->ignore_loginfos
= 0;
2009 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
2010 * @ioc: per adapter struct
2011 * @device_handle: device handle
2012 * @channel: the channel assigned by the OS
2013 * @id: the id assigned by the OS
2015 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2016 * @smid_task: smid assigned to the task
2017 * @timeout: timeout in seconds
2018 * @serial_number: the serial_number from scmd
2019 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2022 * A generic API for sending task management requests to firmware.
2024 * The callback index is set inside `ioc->tm_cb_idx`.
2026 * Return SUCCESS or FAILED.
2029 mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
, uint channel
,
2030 uint id
, uint lun
, u8 type
, u16 smid_task
, ulong timeout
,
2031 unsigned long serial_number
, enum mutex_type m_type
)
2033 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2034 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
2037 unsigned long timeleft
;
2038 struct scsiio_tracker
*scsi_lookup
= NULL
;
2041 if (m_type
== TM_MUTEX_ON
)
2042 mutex_lock(&ioc
->tm_cmds
.mutex
);
2043 if (ioc
->tm_cmds
.status
!= MPT3_CMD_NOT_USED
) {
2044 pr_info(MPT3SAS_FMT
"%s: tm_cmd busy!!!\n",
2045 __func__
, ioc
->name
);
2050 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2051 ioc
->pci_error_recovery
) {
2052 pr_info(MPT3SAS_FMT
"%s: host reset in progress!\n",
2053 __func__
, ioc
->name
);
2058 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 0);
2059 if (ioc_state
& MPI2_DOORBELL_USED
) {
2060 dhsprintk(ioc
, pr_info(MPT3SAS_FMT
2061 "unexpected doorbell active!\n", ioc
->name
));
2062 rc
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2064 rc
= (!rc
) ? SUCCESS
: FAILED
;
2068 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
2069 mpt3sas_base_fault_info(ioc
, ioc_state
&
2070 MPI2_DOORBELL_DATA_MASK
);
2071 rc
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2073 rc
= (!rc
) ? SUCCESS
: FAILED
;
2077 smid
= mpt3sas_base_get_smid_hpr(ioc
, ioc
->tm_cb_idx
);
2079 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
2080 ioc
->name
, __func__
);
2085 if (type
== MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
)
2086 scsi_lookup
= &ioc
->scsi_lookup
[smid_task
- 1];
2088 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
2089 "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
2090 ioc
->name
, handle
, type
, smid_task
));
2091 ioc
->tm_cmds
.status
= MPT3_CMD_PENDING
;
2092 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
2093 ioc
->tm_cmds
.smid
= smid
;
2094 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2095 memset(ioc
->tm_cmds
.reply
, 0, sizeof(Mpi2SCSITaskManagementReply_t
));
2096 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2097 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2098 mpi_request
->TaskType
= type
;
2099 mpi_request
->TaskMID
= cpu_to_le16(smid_task
);
2100 int_to_scsilun(lun
, (struct scsi_lun
*)mpi_request
->LUN
);
2101 mpt3sas_scsih_set_tm_flag(ioc
, handle
);
2102 init_completion(&ioc
->tm_cmds
.done
);
2103 mpt3sas_base_put_smid_hi_priority(ioc
, smid
);
2104 timeleft
= wait_for_completion_timeout(&ioc
->tm_cmds
.done
, timeout
*HZ
);
2105 if (!(ioc
->tm_cmds
.status
& MPT3_CMD_COMPLETE
)) {
2106 pr_err(MPT3SAS_FMT
"%s: timeout\n",
2107 ioc
->name
, __func__
);
2108 _debug_dump_mf(mpi_request
,
2109 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2110 if (!(ioc
->tm_cmds
.status
& MPT3_CMD_RESET
)) {
2111 rc
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2113 rc
= (!rc
) ? SUCCESS
: FAILED
;
2114 ioc
->tm_cmds
.status
= MPT3_CMD_NOT_USED
;
2115 mpt3sas_scsih_clear_tm_flag(ioc
, handle
);
2120 if (ioc
->tm_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
2121 mpt3sas_trigger_master(ioc
, MASTER_TRIGGER_TASK_MANAGMENT
);
2122 mpi_reply
= ioc
->tm_cmds
.reply
;
2123 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
"complete tm: " \
2124 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2125 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
2126 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2127 le32_to_cpu(mpi_reply
->TerminationCount
)));
2128 if (ioc
->logging_level
& MPT_DEBUG_TM
) {
2129 _scsih_response_code(ioc
, mpi_reply
->ResponseCode
);
2130 if (mpi_reply
->IOCStatus
)
2131 _debug_dump_mf(mpi_request
,
2132 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2137 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
:
2139 if (scsi_lookup
->scmd
== NULL
)
2144 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
:
2145 if (_scsih_scsi_lookup_find_by_target(ioc
, id
, channel
))
2150 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET
:
2151 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
:
2152 if (_scsih_scsi_lookup_find_by_lun(ioc
, id
, lun
, channel
))
2157 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
:
2165 mpt3sas_scsih_clear_tm_flag(ioc
, handle
);
2166 ioc
->tm_cmds
.status
= MPT3_CMD_NOT_USED
;
2167 if (m_type
== TM_MUTEX_ON
)
2168 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2173 if (m_type
== TM_MUTEX_ON
)
2174 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2179 * _scsih_tm_display_info - displays info about the device
2180 * @ioc: per adapter struct
2181 * @scmd: pointer to scsi command object
2183 * Called by task management callback handlers.
2186 _scsih_tm_display_info(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
)
2188 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2189 struct MPT3SAS_TARGET
*priv_target
= starget
->hostdata
;
2190 struct _sas_device
*sas_device
= NULL
;
2191 unsigned long flags
;
2192 char *device_str
= NULL
;
2196 device_str
= "volume";
2198 scsi_print_command(scmd
);
2199 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2200 starget_printk(KERN_INFO
, starget
,
2201 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
2202 device_str
, priv_target
->handle
,
2203 device_str
, (unsigned long long)priv_target
->sas_address
);
2205 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2206 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
2207 priv_target
->sas_address
);
2209 if (priv_target
->flags
&
2210 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2211 starget_printk(KERN_INFO
, starget
,
2212 "volume handle(0x%04x), "
2213 "volume wwid(0x%016llx)\n",
2214 sas_device
->volume_handle
,
2215 (unsigned long long)sas_device
->volume_wwid
);
2217 starget_printk(KERN_INFO
, starget
,
2218 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2220 (unsigned long long)sas_device
->sas_address
,
2222 starget_printk(KERN_INFO
, starget
,
2223 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2224 (unsigned long long)sas_device
->enclosure_logical_id
,
2227 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2232 * _scsih_abort - eh threads main abort routine
2233 * @scmd: pointer to scsi command object
2235 * Returns SUCCESS if command aborted else FAILED
2238 _scsih_abort(struct scsi_cmnd
*scmd
)
2240 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2241 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2246 sdev_printk(KERN_INFO
, scmd
->device
,
2247 "attempting task abort! scmd(%p)\n", scmd
);
2248 _scsih_tm_display_info(ioc
, scmd
);
2250 sas_device_priv_data
= scmd
->device
->hostdata
;
2251 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2252 sdev_printk(KERN_INFO
, scmd
->device
,
2253 "device been deleted! scmd(%p)\n", scmd
);
2254 scmd
->result
= DID_NO_CONNECT
<< 16;
2255 scmd
->scsi_done(scmd
);
2260 /* search for the command */
2261 smid
= _scsih_scsi_lookup_find_by_scmd(ioc
, scmd
);
2263 scmd
->result
= DID_RESET
<< 16;
2268 /* for hidden raid components and volumes this is not supported */
2269 if (sas_device_priv_data
->sas_target
->flags
&
2270 MPT_TARGET_FLAGS_RAID_COMPONENT
||
2271 sas_device_priv_data
->sas_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2272 scmd
->result
= DID_RESET
<< 16;
2277 mpt3sas_halt_firmware(ioc
);
2279 handle
= sas_device_priv_data
->sas_target
->handle
;
2280 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2281 scmd
->device
->id
, scmd
->device
->lun
,
2282 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30,
2283 scmd
->serial_number
, TM_MUTEX_ON
);
2286 sdev_printk(KERN_INFO
, scmd
->device
, "task abort: %s scmd(%p)\n",
2287 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2292 * _scsih_dev_reset - eh threads main device reset routine
2293 * @scmd: pointer to scsi command object
2295 * Returns SUCCESS if command aborted else FAILED
2298 _scsih_dev_reset(struct scsi_cmnd
*scmd
)
2300 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2301 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2302 struct _sas_device
*sas_device
;
2303 unsigned long flags
;
2307 sdev_printk(KERN_INFO
, scmd
->device
,
2308 "attempting device reset! scmd(%p)\n", scmd
);
2309 _scsih_tm_display_info(ioc
, scmd
);
2311 sas_device_priv_data
= scmd
->device
->hostdata
;
2312 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2313 sdev_printk(KERN_INFO
, scmd
->device
,
2314 "device been deleted! scmd(%p)\n", scmd
);
2315 scmd
->result
= DID_NO_CONNECT
<< 16;
2316 scmd
->scsi_done(scmd
);
2321 /* for hidden raid components obtain the volume_handle */
2323 if (sas_device_priv_data
->sas_target
->flags
&
2324 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2325 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2326 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2327 sas_device_priv_data
->sas_target
->handle
);
2329 handle
= sas_device
->volume_handle
;
2330 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2332 handle
= sas_device_priv_data
->sas_target
->handle
;
2335 scmd
->result
= DID_RESET
<< 16;
2340 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2341 scmd
->device
->id
, scmd
->device
->lun
,
2342 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
, 0, 30, 0,
2346 sdev_printk(KERN_INFO
, scmd
->device
, "device reset: %s scmd(%p)\n",
2347 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2352 * _scsih_target_reset - eh threads main target reset routine
2353 * @scmd: pointer to scsi command object
2355 * Returns SUCCESS if command aborted else FAILED
2358 _scsih_target_reset(struct scsi_cmnd
*scmd
)
2360 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2361 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2362 struct _sas_device
*sas_device
;
2363 unsigned long flags
;
2366 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2368 starget_printk(KERN_INFO
, starget
, "attempting target reset! scmd(%p)\n",
2370 _scsih_tm_display_info(ioc
, scmd
);
2372 sas_device_priv_data
= scmd
->device
->hostdata
;
2373 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2374 starget_printk(KERN_INFO
, starget
, "target been deleted! scmd(%p)\n",
2376 scmd
->result
= DID_NO_CONNECT
<< 16;
2377 scmd
->scsi_done(scmd
);
2382 /* for hidden raid components obtain the volume_handle */
2384 if (sas_device_priv_data
->sas_target
->flags
&
2385 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2386 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2387 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2388 sas_device_priv_data
->sas_target
->handle
);
2390 handle
= sas_device
->volume_handle
;
2391 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2393 handle
= sas_device_priv_data
->sas_target
->handle
;
2396 scmd
->result
= DID_RESET
<< 16;
2401 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2402 scmd
->device
->id
, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0,
2403 30, 0, TM_MUTEX_ON
);
2406 starget_printk(KERN_INFO
, starget
, "target reset: %s scmd(%p)\n",
2407 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2413 * _scsih_host_reset - eh threads main host reset routine
2414 * @scmd: pointer to scsi command object
2416 * Returns SUCCESS if command aborted else FAILED
2419 _scsih_host_reset(struct scsi_cmnd
*scmd
)
2421 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2424 pr_info(MPT3SAS_FMT
"attempting host reset! scmd(%p)\n",
2426 scsi_print_command(scmd
);
2428 retval
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2430 r
= (retval
< 0) ? FAILED
: SUCCESS
;
2431 pr_info(MPT3SAS_FMT
"host reset: %s scmd(%p)\n",
2432 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2438 * _scsih_fw_event_add - insert and queue up fw_event
2439 * @ioc: per adapter object
2440 * @fw_event: object describing the event
2441 * Context: This function will acquire ioc->fw_event_lock.
2443 * This adds the firmware event object into link list, then queues it up to
2444 * be processed from user context.
2449 _scsih_fw_event_add(struct MPT3SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
2451 unsigned long flags
;
2453 if (ioc
->firmware_event_thread
== NULL
)
2456 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2457 INIT_LIST_HEAD(&fw_event
->list
);
2458 list_add_tail(&fw_event
->list
, &ioc
->fw_event_list
);
2459 INIT_WORK(&fw_event
->work
, _firmware_event_work
);
2460 queue_work(ioc
->firmware_event_thread
, &fw_event
->work
);
2461 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2465 * _scsih_fw_event_free - delete fw_event
2466 * @ioc: per adapter object
2467 * @fw_event: object describing the event
2468 * Context: This function will acquire ioc->fw_event_lock.
2470 * This removes firmware event object from link list, frees associated memory.
2475 _scsih_fw_event_free(struct MPT3SAS_ADAPTER
*ioc
, struct fw_event_work
2478 unsigned long flags
;
2480 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2481 list_del(&fw_event
->list
);
2482 kfree(fw_event
->event_data
);
2484 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2489 * mpt3sas_send_trigger_data_event - send event for processing trigger data
2490 * @ioc: per adapter object
2491 * @event_data: trigger event data
2496 mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER
*ioc
,
2497 struct SL_WH_TRIGGERS_EVENT_DATA_T
*event_data
)
2499 struct fw_event_work
*fw_event
;
2501 if (ioc
->is_driver_loading
)
2503 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2506 fw_event
->event_data
= kzalloc(sizeof(*event_data
), GFP_ATOMIC
);
2507 if (!fw_event
->event_data
)
2509 fw_event
->event
= MPT3SAS_PROCESS_TRIGGER_DIAG
;
2510 fw_event
->ioc
= ioc
;
2511 memcpy(fw_event
->event_data
, event_data
, sizeof(*event_data
));
2512 _scsih_fw_event_add(ioc
, fw_event
);
2516 * _scsih_error_recovery_delete_devices - remove devices not responding
2517 * @ioc: per adapter object
2522 _scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER
*ioc
)
2524 struct fw_event_work
*fw_event
;
2526 if (ioc
->is_driver_loading
)
2528 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2531 fw_event
->event
= MPT3SAS_REMOVE_UNRESPONDING_DEVICES
;
2532 fw_event
->ioc
= ioc
;
2533 _scsih_fw_event_add(ioc
, fw_event
);
2537 * mpt3sas_port_enable_complete - port enable completed (fake event)
2538 * @ioc: per adapter object
2543 mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER
*ioc
)
2545 struct fw_event_work
*fw_event
;
2547 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2550 fw_event
->event
= MPT3SAS_PORT_ENABLE_COMPLETE
;
2551 fw_event
->ioc
= ioc
;
2552 _scsih_fw_event_add(ioc
, fw_event
);
2556 * _scsih_fw_event_cleanup_queue - cleanup event queue
2557 * @ioc: per adapter object
2559 * Walk the firmware event queue, either killing timers, or waiting
2560 * for outstanding events to complete
2565 _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER
*ioc
)
2567 struct fw_event_work
*fw_event
, *next
;
2569 if (list_empty(&ioc
->fw_event_list
) ||
2570 !ioc
->firmware_event_thread
|| in_interrupt())
2573 list_for_each_entry_safe(fw_event
, next
, &ioc
->fw_event_list
, list
) {
2574 if (cancel_delayed_work(&fw_event
->delayed_work
)) {
2575 _scsih_fw_event_free(ioc
, fw_event
);
2578 fw_event
->cancel_pending_work
= 1;
2583 * _scsih_ublock_io_all_device - unblock every device
2584 * @ioc: per adapter object
2586 * change the device state from block to running
2589 _scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER
*ioc
)
2591 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2592 struct scsi_device
*sdev
;
2594 shost_for_each_device(sdev
, ioc
->shost
) {
2595 sas_device_priv_data
= sdev
->hostdata
;
2596 if (!sas_device_priv_data
)
2598 if (!sas_device_priv_data
->block
)
2601 sas_device_priv_data
->block
= 0;
2602 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2603 "device_running, handle(0x%04x)\n",
2604 sas_device_priv_data
->sas_target
->handle
));
2605 scsi_internal_device_unblock(sdev
, SDEV_RUNNING
);
2611 * _scsih_ublock_io_device - prepare device to be deleted
2612 * @ioc: per adapter object
2613 * @sas_addr: sas address
2615 * unblock then put device in offline state
2618 _scsih_ublock_io_device(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
)
2620 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2621 struct scsi_device
*sdev
;
2623 shost_for_each_device(sdev
, ioc
->shost
) {
2624 sas_device_priv_data
= sdev
->hostdata
;
2625 if (!sas_device_priv_data
)
2627 if (sas_device_priv_data
->sas_target
->sas_address
2630 if (sas_device_priv_data
->block
) {
2631 sas_device_priv_data
->block
= 0;
2632 scsi_internal_device_unblock(sdev
, SDEV_RUNNING
);
2638 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2639 * @ioc: per adapter object
2640 * @handle: device handle
2642 * During device pull we need to appropiately set the sdev state.
2645 _scsih_block_io_all_device(struct MPT3SAS_ADAPTER
*ioc
)
2647 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2648 struct scsi_device
*sdev
;
2650 shost_for_each_device(sdev
, ioc
->shost
) {
2651 sas_device_priv_data
= sdev
->hostdata
;
2652 if (!sas_device_priv_data
)
2654 if (sas_device_priv_data
->block
)
2656 sas_device_priv_data
->block
= 1;
2657 scsi_internal_device_block(sdev
);
2658 sdev_printk(KERN_INFO
, sdev
, "device_blocked, handle(0x%04x)\n",
2659 sas_device_priv_data
->sas_target
->handle
);
2664 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2665 * @ioc: per adapter object
2666 * @handle: device handle
2668 * During device pull we need to appropiately set the sdev state.
2671 _scsih_block_io_device(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
2673 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2674 struct scsi_device
*sdev
;
2676 shost_for_each_device(sdev
, ioc
->shost
) {
2677 sas_device_priv_data
= sdev
->hostdata
;
2678 if (!sas_device_priv_data
)
2680 if (sas_device_priv_data
->sas_target
->handle
!= handle
)
2682 if (sas_device_priv_data
->block
)
2684 sas_device_priv_data
->block
= 1;
2685 scsi_internal_device_block(sdev
);
2686 sdev_printk(KERN_INFO
, sdev
,
2687 "device_blocked, handle(0x%04x)\n", handle
);
2692 * _scsih_block_io_to_children_attached_to_ex
2693 * @ioc: per adapter object
2694 * @sas_expander: the sas_device object
2696 * This routine set sdev state to SDEV_BLOCK for all devices
2697 * attached to this expander. This function called when expander is
2701 _scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER
*ioc
,
2702 struct _sas_node
*sas_expander
)
2704 struct _sas_port
*mpt3sas_port
;
2705 struct _sas_device
*sas_device
;
2706 struct _sas_node
*expander_sibling
;
2707 unsigned long flags
;
2712 list_for_each_entry(mpt3sas_port
,
2713 &sas_expander
->sas_port_list
, port_list
) {
2714 if (mpt3sas_port
->remote_identify
.device_type
==
2716 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2718 mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
2719 mpt3sas_port
->remote_identify
.sas_address
);
2721 set_bit(sas_device
->handle
,
2722 ioc
->blocking_handles
);
2723 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2727 list_for_each_entry(mpt3sas_port
,
2728 &sas_expander
->sas_port_list
, port_list
) {
2730 if (mpt3sas_port
->remote_identify
.device_type
==
2731 SAS_EDGE_EXPANDER_DEVICE
||
2732 mpt3sas_port
->remote_identify
.device_type
==
2733 SAS_FANOUT_EXPANDER_DEVICE
) {
2735 mpt3sas_scsih_expander_find_by_sas_address(
2736 ioc
, mpt3sas_port
->remote_identify
.sas_address
);
2737 _scsih_block_io_to_children_attached_to_ex(ioc
,
2744 * _scsih_block_io_to_children_attached_directly
2745 * @ioc: per adapter object
2746 * @event_data: topology change event data
2748 * This routine set sdev state to SDEV_BLOCK for all devices
2749 * direct attached during device pull.
2752 _scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER
*ioc
,
2753 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
2760 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
2761 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
2764 phy_number
= event_data
->StartPhyNum
+ i
;
2765 reason_code
= event_data
->PHY
[i
].PhyStatus
&
2766 MPI2_EVENT_SAS_TOPO_RC_MASK
;
2767 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
)
2768 _scsih_block_io_device(ioc
, handle
);
2773 * _scsih_tm_tr_send - send task management request
2774 * @ioc: per adapter object
2775 * @handle: device handle
2776 * Context: interrupt time.
2778 * This code is to initiate the device removal handshake protocol
2779 * with controller firmware. This function will issue target reset
2780 * using high priority request queue. It will send a sas iounit
2781 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
2783 * This is designed to send muliple task management request at the same
2784 * time to the fifo. If the fifo is full, we will append the request,
2785 * and process it in a future completion.
2788 _scsih_tm_tr_send(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
2790 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2792 struct _sas_device
*sas_device
;
2793 struct MPT3SAS_TARGET
*sas_target_priv_data
= NULL
;
2794 u64 sas_address
= 0;
2795 unsigned long flags
;
2796 struct _tr_list
*delayed_tr
;
2799 if (ioc
->remove_host
) {
2800 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2801 "%s: host has been removed: handle(0x%04x)\n",
2802 __func__
, ioc
->name
, handle
));
2804 } else if (ioc
->pci_error_recovery
) {
2805 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2806 "%s: host in pci error recovery: handle(0x%04x)\n",
2807 __func__
, ioc
->name
,
2811 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
2812 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
2813 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2814 "%s: host is not operational: handle(0x%04x)\n",
2815 __func__
, ioc
->name
,
2820 /* if PD, then return */
2821 if (test_bit(handle
, ioc
->pd_handles
))
2824 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2825 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
2826 if (sas_device
&& sas_device
->starget
&&
2827 sas_device
->starget
->hostdata
) {
2828 sas_target_priv_data
= sas_device
->starget
->hostdata
;
2829 sas_target_priv_data
->deleted
= 1;
2830 sas_address
= sas_device
->sas_address
;
2832 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2834 if (sas_target_priv_data
) {
2835 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2836 "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
2838 (unsigned long long)sas_address
));
2839 _scsih_ublock_io_device(ioc
, sas_address
);
2840 sas_target_priv_data
->handle
= MPT3SAS_INVALID_DEVICE_HANDLE
;
2843 smid
= mpt3sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_cb_idx
);
2845 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
2848 INIT_LIST_HEAD(&delayed_tr
->list
);
2849 delayed_tr
->handle
= handle
;
2850 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
2851 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2852 "DELAYED:tr:handle(0x%04x), (open)\n",
2853 ioc
->name
, handle
));
2857 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2858 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
2859 ioc
->name
, handle
, smid
,
2860 ioc
->tm_tr_cb_idx
));
2861 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
2862 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2863 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2864 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2865 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
2866 mpt3sas_base_put_smid_hi_priority(ioc
, smid
);
2867 mpt3sas_trigger_master(ioc
, MASTER_TRIGGER_DEVICE_REMOVAL
);
2871 * _scsih_tm_tr_complete -
2872 * @ioc: per adapter object
2873 * @smid: system request message index
2874 * @msix_index: MSIX table index supplied by the OS
2875 * @reply: reply message frame(lower 32bit addr)
2876 * Context: interrupt time.
2878 * This is the target reset completion routine.
2879 * This code is part of the code to initiate the device removal
2880 * handshake protocol with controller firmware.
2881 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
2883 * Return 1 meaning mf should be freed from _base_interrupt
2884 * 0 means the mf is freed from this function.
2887 _scsih_tm_tr_complete(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
2891 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
2892 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
2893 mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
2894 Mpi2SasIoUnitControlRequest_t
*mpi_request
;
2898 if (ioc
->remove_host
) {
2899 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2900 "%s: host has been removed\n", __func__
, ioc
->name
));
2902 } else if (ioc
->pci_error_recovery
) {
2903 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2904 "%s: host in pci error recovery\n", __func__
,
2908 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
2909 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
2910 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2911 "%s: host is not operational\n", __func__
, ioc
->name
));
2914 if (unlikely(!mpi_reply
)) {
2915 pr_err(MPT3SAS_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
2916 ioc
->name
, __FILE__
, __LINE__
, __func__
);
2919 mpi_request_tm
= mpt3sas_base_get_msg_frame(ioc
, smid
);
2920 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
2921 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
2922 dewtprintk(ioc
, pr_err(MPT3SAS_FMT
2923 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
2925 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
2929 mpt3sas_trigger_master(ioc
, MASTER_TRIGGER_TASK_MANAGMENT
);
2930 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2931 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
2932 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
2933 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
2934 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2935 le32_to_cpu(mpi_reply
->TerminationCount
)));
2937 smid_sas_ctrl
= mpt3sas_base_get_smid(ioc
, ioc
->tm_sas_control_cb_idx
);
2938 if (!smid_sas_ctrl
) {
2939 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
2940 ioc
->name
, __func__
);
2944 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2945 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
2946 ioc
->name
, handle
, smid_sas_ctrl
,
2947 ioc
->tm_sas_control_cb_idx
));
2948 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid_sas_ctrl
);
2949 memset(mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
2950 mpi_request
->Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
2951 mpi_request
->Operation
= MPI2_SAS_OP_REMOVE_DEVICE
;
2952 mpi_request
->DevHandle
= mpi_request_tm
->DevHandle
;
2953 mpt3sas_base_put_smid_default(ioc
, smid_sas_ctrl
);
2955 return _scsih_check_for_pending_tm(ioc
, smid
);
2960 * _scsih_sas_control_complete - completion routine
2961 * @ioc: per adapter object
2962 * @smid: system request message index
2963 * @msix_index: MSIX table index supplied by the OS
2964 * @reply: reply message frame(lower 32bit addr)
2965 * Context: interrupt time.
2967 * This is the sas iounit control completion routine.
2968 * This code is part of the code to initiate the device removal
2969 * handshake protocol with controller firmware.
2971 * Return 1 meaning mf should be freed from _base_interrupt
2972 * 0 means the mf is freed from this function.
2975 _scsih_sas_control_complete(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
,
2976 u8 msix_index
, u32 reply
)
2978 Mpi2SasIoUnitControlReply_t
*mpi_reply
=
2979 mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
2981 if (likely(mpi_reply
)) {
2982 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2983 "sc_complete:handle(0x%04x), (open) "
2984 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
2985 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
), smid
,
2986 le16_to_cpu(mpi_reply
->IOCStatus
),
2987 le32_to_cpu(mpi_reply
->IOCLogInfo
)));
2989 pr_err(MPT3SAS_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
2990 ioc
->name
, __FILE__
, __LINE__
, __func__
);
2996 * _scsih_tm_tr_volume_send - send target reset request for volumes
2997 * @ioc: per adapter object
2998 * @handle: device handle
2999 * Context: interrupt time.
3001 * This is designed to send muliple task management request at the same
3002 * time to the fifo. If the fifo is full, we will append the request,
3003 * and process it in a future completion.
3006 _scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3008 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
3010 struct _tr_list
*delayed_tr
;
3012 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3013 ioc
->pci_error_recovery
) {
3014 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3015 "%s: host reset in progress!\n",
3016 __func__
, ioc
->name
));
3020 smid
= mpt3sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_volume_cb_idx
);
3022 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3025 INIT_LIST_HEAD(&delayed_tr
->list
);
3026 delayed_tr
->handle
= handle
;
3027 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_volume_list
);
3028 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3029 "DELAYED:tr:handle(0x%04x), (open)\n",
3030 ioc
->name
, handle
));
3034 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3035 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3036 ioc
->name
, handle
, smid
,
3037 ioc
->tm_tr_volume_cb_idx
));
3038 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
3039 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
3040 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
3041 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3042 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
3043 mpt3sas_base_put_smid_hi_priority(ioc
, smid
);
3047 * _scsih_tm_volume_tr_complete - target reset completion
3048 * @ioc: per adapter object
3049 * @smid: system request message index
3050 * @msix_index: MSIX table index supplied by the OS
3051 * @reply: reply message frame(lower 32bit addr)
3052 * Context: interrupt time.
3054 * Return 1 meaning mf should be freed from _base_interrupt
3055 * 0 means the mf is freed from this function.
3058 _scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
,
3059 u8 msix_index
, u32 reply
)
3062 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
3063 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
3064 mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
3066 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3067 ioc
->pci_error_recovery
) {
3068 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3069 "%s: host reset in progress!\n",
3070 __func__
, ioc
->name
));
3073 if (unlikely(!mpi_reply
)) {
3074 pr_err(MPT3SAS_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3075 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3079 mpi_request_tm
= mpt3sas_base_get_msg_frame(ioc
, smid
);
3080 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
3081 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
3082 dewtprintk(ioc
, pr_err(MPT3SAS_FMT
3083 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3085 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
3089 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3090 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3091 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
3092 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
3093 le32_to_cpu(mpi_reply
->IOCLogInfo
),
3094 le32_to_cpu(mpi_reply
->TerminationCount
)));
3096 return _scsih_check_for_pending_tm(ioc
, smid
);
3101 * _scsih_check_for_pending_tm - check for pending task management
3102 * @ioc: per adapter object
3103 * @smid: system request message index
3105 * This will check delayed target reset list, and feed the
3108 * Return 1 meaning mf should be freed from _base_interrupt
3109 * 0 means the mf is freed from this function.
3112 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
)
3114 struct _tr_list
*delayed_tr
;
3116 if (!list_empty(&ioc
->delayed_tr_volume_list
)) {
3117 delayed_tr
= list_entry(ioc
->delayed_tr_volume_list
.next
,
3118 struct _tr_list
, list
);
3119 mpt3sas_base_free_smid(ioc
, smid
);
3120 _scsih_tm_tr_volume_send(ioc
, delayed_tr
->handle
);
3121 list_del(&delayed_tr
->list
);
3126 if (!list_empty(&ioc
->delayed_tr_list
)) {
3127 delayed_tr
= list_entry(ioc
->delayed_tr_list
.next
,
3128 struct _tr_list
, list
);
3129 mpt3sas_base_free_smid(ioc
, smid
);
3130 _scsih_tm_tr_send(ioc
, delayed_tr
->handle
);
3131 list_del(&delayed_tr
->list
);
3140 * _scsih_check_topo_delete_events - sanity check on topo events
3141 * @ioc: per adapter object
3142 * @event_data: the event data payload
3144 * This routine added to better handle cable breaker.
3146 * This handles the case where driver receives multiple expander
3147 * add and delete events in a single shot. When there is a delete event
3148 * the routine will void any pending add events waiting in the event queue.
3153 _scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER
*ioc
,
3154 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
3156 struct fw_event_work
*fw_event
;
3157 Mpi2EventDataSasTopologyChangeList_t
*local_event_data
;
3158 u16 expander_handle
;
3159 struct _sas_node
*sas_expander
;
3160 unsigned long flags
;
3164 for (i
= 0 ; i
< event_data
->NumEntries
; i
++) {
3165 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
3168 reason_code
= event_data
->PHY
[i
].PhyStatus
&
3169 MPI2_EVENT_SAS_TOPO_RC_MASK
;
3170 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
)
3171 _scsih_tm_tr_send(ioc
, handle
);
3174 expander_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
3175 if (expander_handle
< ioc
->sas_hba
.num_phys
) {
3176 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3179 if (event_data
->ExpStatus
==
3180 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
) {
3181 /* put expander attached devices into blocking state */
3182 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
3183 sas_expander
= mpt3sas_scsih_expander_find_by_handle(ioc
,
3185 _scsih_block_io_to_children_attached_to_ex(ioc
, sas_expander
);
3186 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
3188 handle
= find_first_bit(ioc
->blocking_handles
,
3189 ioc
->facts
.MaxDevHandle
);
3190 if (handle
< ioc
->facts
.MaxDevHandle
)
3191 _scsih_block_io_device(ioc
, handle
);
3192 } while (test_and_clear_bit(handle
, ioc
->blocking_handles
));
3193 } else if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_RESPONDING
)
3194 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3196 if (event_data
->ExpStatus
!= MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
)
3199 /* mark ignore flag for pending events */
3200 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
3201 list_for_each_entry(fw_event
, &ioc
->fw_event_list
, list
) {
3202 if (fw_event
->event
!= MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
||
3205 local_event_data
= fw_event
->event_data
;
3206 if (local_event_data
->ExpStatus
==
3207 MPI2_EVENT_SAS_TOPO_ES_ADDED
||
3208 local_event_data
->ExpStatus
==
3209 MPI2_EVENT_SAS_TOPO_ES_RESPONDING
) {
3210 if (le16_to_cpu(local_event_data
->ExpanderDevHandle
) ==
3212 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3213 "setting ignoring flag\n", ioc
->name
));
3214 fw_event
->ignore
= 1;
3218 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
3222 * _scsih_set_volume_delete_flag - setting volume delete flag
3223 * @ioc: per adapter object
3224 * @handle: device handle
3226 * This returns nothing.
3229 _scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3231 struct _raid_device
*raid_device
;
3232 struct MPT3SAS_TARGET
*sas_target_priv_data
;
3233 unsigned long flags
;
3235 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
3236 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
3237 if (raid_device
&& raid_device
->starget
&&
3238 raid_device
->starget
->hostdata
) {
3239 sas_target_priv_data
=
3240 raid_device
->starget
->hostdata
;
3241 sas_target_priv_data
->deleted
= 1;
3242 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3243 "setting delete flag: handle(0x%04x), "
3244 "wwid(0x%016llx)\n", ioc
->name
, handle
,
3245 (unsigned long long) raid_device
->wwid
));
3247 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
3251 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3252 * @handle: input handle
3253 * @a: handle for volume a
3254 * @b: handle for volume b
3256 * IR firmware only supports two raid volumes. The purpose of this
3257 * routine is to set the volume handle in either a or b. When the given
3258 * input handle is non-zero, or when a and b have not been set before.
3261 _scsih_set_volume_handle_for_tr(u16 handle
, u16
*a
, u16
*b
)
3263 if (!handle
|| handle
== *a
|| handle
== *b
)
3272 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3273 * @ioc: per adapter object
3274 * @event_data: the event data payload
3275 * Context: interrupt time.
3277 * This routine will send target reset to volume, followed by target
3278 * resets to the PDs. This is called when a PD has been removed, or
3279 * volume has been deleted or removed. When the target reset is sent
3280 * to volume, the PD target resets need to be queued to start upon
3281 * completion of the volume target reset.
3286 _scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER
*ioc
,
3287 Mpi2EventDataIrConfigChangeList_t
*event_data
)
3289 Mpi2EventIrConfigElement_t
*element
;
3291 u16 handle
, volume_handle
, a
, b
;
3292 struct _tr_list
*delayed_tr
;
3297 /* Volume Resets for Deleted or Removed */
3298 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3299 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3300 if (le32_to_cpu(event_data
->Flags
) &
3301 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
)
3303 if (element
->ReasonCode
==
3304 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
||
3305 element
->ReasonCode
==
3306 MPI2_EVENT_IR_CHANGE_RC_REMOVED
) {
3307 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3308 _scsih_set_volume_delete_flag(ioc
, volume_handle
);
3309 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3313 /* Volume Resets for UNHIDE events */
3314 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3315 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3316 if (le32_to_cpu(event_data
->Flags
) &
3317 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
)
3319 if (element
->ReasonCode
== MPI2_EVENT_IR_CHANGE_RC_UNHIDE
) {
3320 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3321 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3326 _scsih_tm_tr_volume_send(ioc
, a
);
3328 _scsih_tm_tr_volume_send(ioc
, b
);
3330 /* PD target resets */
3331 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3332 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3333 if (element
->ReasonCode
!= MPI2_EVENT_IR_CHANGE_RC_UNHIDE
)
3335 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
3336 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3337 clear_bit(handle
, ioc
->pd_handles
);
3339 _scsih_tm_tr_send(ioc
, handle
);
3340 else if (volume_handle
== a
|| volume_handle
== b
) {
3341 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3342 BUG_ON(!delayed_tr
);
3343 INIT_LIST_HEAD(&delayed_tr
->list
);
3344 delayed_tr
->handle
= handle
;
3345 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3346 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3347 "DELAYED:tr:handle(0x%04x), (open)\n", ioc
->name
,
3350 _scsih_tm_tr_send(ioc
, handle
);
3356 * _scsih_check_volume_delete_events - set delete flag for volumes
3357 * @ioc: per adapter object
3358 * @event_data: the event data payload
3359 * Context: interrupt time.
3361 * This will handle the case when the cable connected to entire volume is
3362 * pulled. We will take care of setting the deleted flag so normal IO will
3368 _scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER
*ioc
,
3369 Mpi2EventDataIrVolume_t
*event_data
)
3373 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
3375 state
= le32_to_cpu(event_data
->NewValue
);
3376 if (state
== MPI2_RAID_VOL_STATE_MISSING
|| state
==
3377 MPI2_RAID_VOL_STATE_FAILED
)
3378 _scsih_set_volume_delete_flag(ioc
,
3379 le16_to_cpu(event_data
->VolDevHandle
));
3383 * _scsih_flush_running_cmds - completing outstanding commands.
3384 * @ioc: per adapter object
3386 * The flushing out of all pending scmd commands following host reset,
3387 * where all IO is dropped to the floor.
3392 _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER
*ioc
)
3394 struct scsi_cmnd
*scmd
;
3398 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
3399 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
3403 mpt3sas_base_free_smid(ioc
, smid
);
3404 scsi_dma_unmap(scmd
);
3405 if (ioc
->pci_error_recovery
)
3406 scmd
->result
= DID_NO_CONNECT
<< 16;
3408 scmd
->result
= DID_RESET
<< 16;
3409 scmd
->scsi_done(scmd
);
3411 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
"completing %d cmds\n",
3416 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3417 * @ioc: per adapter object
3418 * @scmd: pointer to scsi command object
3419 * @mpi_request: pointer to the SCSI_IO reqest message frame
3421 * Supporting protection 1 and 3.
3426 _scsih_setup_eedp(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
3427 Mpi2SCSIIORequest_t
*mpi_request
)
3430 unsigned char prot_op
= scsi_get_prot_op(scmd
);
3431 unsigned char prot_type
= scsi_get_prot_type(scmd
);
3432 Mpi25SCSIIORequest_t
*mpi_request_3v
=
3433 (Mpi25SCSIIORequest_t
*)mpi_request
;
3435 if (prot_type
== SCSI_PROT_DIF_TYPE0
|| prot_op
== SCSI_PROT_NORMAL
)
3438 if (prot_op
== SCSI_PROT_READ_STRIP
)
3439 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
;
3440 else if (prot_op
== SCSI_PROT_WRITE_INSERT
)
3441 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
;
3445 switch (prot_type
) {
3446 case SCSI_PROT_DIF_TYPE1
:
3447 case SCSI_PROT_DIF_TYPE2
:
3450 * enable ref/guard checking
3451 * auto increment ref tag
3453 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG
|
3454 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG
|
3455 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3456 mpi_request
->CDB
.EEDP32
.PrimaryReferenceTag
=
3457 cpu_to_be32(scsi_get_lba(scmd
));
3460 case SCSI_PROT_DIF_TYPE3
:
3463 * enable guard checking
3465 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3470 mpi_request_3v
->EEDPBlockSize
=
3471 cpu_to_le16(scmd
->device
->sector_size
);
3472 mpi_request
->EEDPFlags
= cpu_to_le16(eedp_flags
);
3476 * _scsih_eedp_error_handling - return sense code for EEDP errors
3477 * @scmd: pointer to scsi command object
3478 * @ioc_status: ioc status
3483 _scsih_eedp_error_handling(struct scsi_cmnd
*scmd
, u16 ioc_status
)
3487 switch (ioc_status
) {
3488 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3491 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3494 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3501 scsi_build_sense_buffer(0, scmd
->sense_buffer
, ILLEGAL_REQUEST
, 0x10,
3503 scmd
->result
= DRIVER_SENSE
<< 24 | (DID_ABORT
<< 16) |
3504 SAM_STAT_CHECK_CONDITION
;
3509 * _scsih_qcmd_lck - main scsi request entry point
3510 * @scmd: pointer to scsi command object
3511 * @done: function pointer to be invoked on completion
3513 * The callback index is set inside `ioc->scsi_io_cb_idx`.
3515 * Returns 0 on success. If there's a failure, return either:
3516 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
3517 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
3520 _scsih_qcmd_lck(struct scsi_cmnd
*scmd
, void (*done
)(struct scsi_cmnd
*))
3522 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
3523 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
3524 struct MPT3SAS_TARGET
*sas_target_priv_data
;
3525 Mpi2SCSIIORequest_t
*mpi_request
;
3530 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
3531 if (ioc
->logging_level
& MPT_DEBUG_SCSI
)
3532 scsi_print_command(scmd
);
3535 scmd
->scsi_done
= done
;
3536 sas_device_priv_data
= scmd
->device
->hostdata
;
3537 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
3538 scmd
->result
= DID_NO_CONNECT
<< 16;
3539 scmd
->scsi_done(scmd
);
3543 if (ioc
->pci_error_recovery
|| ioc
->remove_host
) {
3544 scmd
->result
= DID_NO_CONNECT
<< 16;
3545 scmd
->scsi_done(scmd
);
3549 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
3551 /* invalid device handle */
3552 handle
= sas_target_priv_data
->handle
;
3553 if (handle
== MPT3SAS_INVALID_DEVICE_HANDLE
) {
3554 scmd
->result
= DID_NO_CONNECT
<< 16;
3555 scmd
->scsi_done(scmd
);
3560 /* host recovery or link resets sent via IOCTLs */
3561 if (ioc
->shost_recovery
|| ioc
->ioc_link_reset_in_progress
)
3562 return SCSI_MLQUEUE_HOST_BUSY
;
3564 /* device has been deleted */
3565 else if (sas_target_priv_data
->deleted
) {
3566 scmd
->result
= DID_NO_CONNECT
<< 16;
3567 scmd
->scsi_done(scmd
);
3569 /* device busy with task managment */
3570 } else if (sas_target_priv_data
->tm_busy
||
3571 sas_device_priv_data
->block
)
3572 return SCSI_MLQUEUE_DEVICE_BUSY
;
3574 if (scmd
->sc_data_direction
== DMA_FROM_DEVICE
)
3575 mpi_control
= MPI2_SCSIIO_CONTROL_READ
;
3576 else if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
3577 mpi_control
= MPI2_SCSIIO_CONTROL_WRITE
;
3579 mpi_control
= MPI2_SCSIIO_CONTROL_NODATATRANSFER
;
3582 if (!(sas_device_priv_data
->flags
& MPT_DEVICE_FLAGS_INIT
)) {
3583 if (scmd
->device
->tagged_supported
) {
3584 if (scmd
->device
->ordered_tags
)
3585 mpi_control
|= MPI2_SCSIIO_CONTROL_ORDEREDQ
;
3587 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3589 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3591 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3593 if ((sas_device_priv_data
->flags
& MPT_DEVICE_TLR_ON
) &&
3594 scmd
->cmd_len
!= 32)
3595 mpi_control
|= MPI2_SCSIIO_CONTROL_TLR_ON
;
3597 smid
= mpt3sas_base_get_smid_scsiio(ioc
, ioc
->scsi_io_cb_idx
, scmd
);
3599 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
3600 ioc
->name
, __func__
);
3603 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
3604 memset(mpi_request
, 0, sizeof(Mpi2SCSIIORequest_t
));
3605 _scsih_setup_eedp(ioc
, scmd
, mpi_request
);
3607 if (scmd
->cmd_len
== 32)
3608 mpi_control
|= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT
;
3609 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
3610 if (sas_device_priv_data
->sas_target
->flags
&
3611 MPT_TARGET_FLAGS_RAID_COMPONENT
)
3612 mpi_request
->Function
= MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
3614 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
3615 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3616 mpi_request
->DataLength
= cpu_to_le32(scsi_bufflen(scmd
));
3617 mpi_request
->Control
= cpu_to_le32(mpi_control
);
3618 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
);
3619 mpi_request
->MsgFlags
= MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR
;
3620 mpi_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
3621 mpi_request
->SenseBufferLowAddress
=
3622 mpt3sas_base_get_sense_buffer_dma(ioc
, smid
);
3623 mpi_request
->SGLOffset0
= offsetof(Mpi2SCSIIORequest_t
, SGL
) / 4;
3624 int_to_scsilun(sas_device_priv_data
->lun
, (struct scsi_lun
*)
3626 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
3628 if (mpi_request
->DataLength
) {
3629 if (ioc
->build_sg_scmd(ioc
, scmd
, smid
)) {
3630 mpt3sas_base_free_smid(ioc
, smid
);
3634 ioc
->build_zero_len_sge(ioc
, &mpi_request
->SGL
);
3636 if (likely(mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
)) {
3637 if (sas_target_priv_data
->flags
& MPT_TARGET_FASTPATH_IO
) {
3638 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
|
3639 MPI25_SCSIIO_IOFLAGS_FAST_PATH
);
3640 mpt3sas_base_put_smid_fast_path(ioc
, smid
, handle
);
3642 mpt3sas_base_put_smid_scsi_io(ioc
, smid
, handle
);
3644 mpt3sas_base_put_smid_default(ioc
, smid
);
3648 return SCSI_MLQUEUE_HOST_BUSY
;
3650 static DEF_SCSI_QCMD(_scsih_qcmd
)
3654 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
3655 * @sense_buffer: sense data returned by target
3656 * @data: normalized skey/asc/ascq
3661 _scsih_normalize_sense(char *sense_buffer
, struct sense_info
*data
)
3663 if ((sense_buffer
[0] & 0x7F) >= 0x72) {
3664 /* descriptor format */
3665 data
->skey
= sense_buffer
[1] & 0x0F;
3666 data
->asc
= sense_buffer
[2];
3667 data
->ascq
= sense_buffer
[3];
3670 data
->skey
= sense_buffer
[2] & 0x0F;
3671 data
->asc
= sense_buffer
[12];
3672 data
->ascq
= sense_buffer
[13];
3676 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
3678 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
3679 * @ioc: per adapter object
3680 * @scmd: pointer to scsi command object
3681 * @mpi_reply: reply mf payload returned from firmware
3683 * scsi_status - SCSI Status code returned from target device
3684 * scsi_state - state info associated with SCSI_IO determined by ioc
3685 * ioc_status - ioc supplied status info
3690 _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
3691 Mpi2SCSIIOReply_t
*mpi_reply
, u16 smid
)
3695 u16 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) &
3696 MPI2_IOCSTATUS_MASK
;
3697 u8 scsi_state
= mpi_reply
->SCSIState
;
3698 u8 scsi_status
= mpi_reply
->SCSIStatus
;
3699 char *desc_ioc_state
= NULL
;
3700 char *desc_scsi_status
= NULL
;
3701 char *desc_scsi_state
= ioc
->tmp_string
;
3702 u32 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
3703 struct _sas_device
*sas_device
= NULL
;
3704 unsigned long flags
;
3705 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
3706 struct MPT3SAS_TARGET
*priv_target
= starget
->hostdata
;
3707 char *device_str
= NULL
;
3711 device_str
= "volume";
3713 if (log_info
== 0x31170000)
3716 switch (ioc_status
) {
3717 case MPI2_IOCSTATUS_SUCCESS
:
3718 desc_ioc_state
= "success";
3720 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
3721 desc_ioc_state
= "invalid function";
3723 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
3724 desc_ioc_state
= "scsi recovered error";
3726 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE
:
3727 desc_ioc_state
= "scsi invalid dev handle";
3729 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
3730 desc_ioc_state
= "scsi device not there";
3732 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
3733 desc_ioc_state
= "scsi data overrun";
3735 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
3736 desc_ioc_state
= "scsi data underrun";
3738 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
3739 desc_ioc_state
= "scsi io data error";
3741 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
3742 desc_ioc_state
= "scsi protocol error";
3744 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
3745 desc_ioc_state
= "scsi task terminated";
3747 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
3748 desc_ioc_state
= "scsi residual mismatch";
3750 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
3751 desc_ioc_state
= "scsi task mgmt failed";
3753 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
3754 desc_ioc_state
= "scsi ioc terminated";
3756 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
3757 desc_ioc_state
= "scsi ext terminated";
3759 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3760 desc_ioc_state
= "eedp guard error";
3762 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3763 desc_ioc_state
= "eedp ref tag error";
3765 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3766 desc_ioc_state
= "eedp app tag error";
3769 desc_ioc_state
= "unknown";
3773 switch (scsi_status
) {
3774 case MPI2_SCSI_STATUS_GOOD
:
3775 desc_scsi_status
= "good";
3777 case MPI2_SCSI_STATUS_CHECK_CONDITION
:
3778 desc_scsi_status
= "check condition";
3780 case MPI2_SCSI_STATUS_CONDITION_MET
:
3781 desc_scsi_status
= "condition met";
3783 case MPI2_SCSI_STATUS_BUSY
:
3784 desc_scsi_status
= "busy";
3786 case MPI2_SCSI_STATUS_INTERMEDIATE
:
3787 desc_scsi_status
= "intermediate";
3789 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET
:
3790 desc_scsi_status
= "intermediate condmet";
3792 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT
:
3793 desc_scsi_status
= "reservation conflict";
3795 case MPI2_SCSI_STATUS_COMMAND_TERMINATED
:
3796 desc_scsi_status
= "command terminated";
3798 case MPI2_SCSI_STATUS_TASK_SET_FULL
:
3799 desc_scsi_status
= "task set full";
3801 case MPI2_SCSI_STATUS_ACA_ACTIVE
:
3802 desc_scsi_status
= "aca active";
3804 case MPI2_SCSI_STATUS_TASK_ABORTED
:
3805 desc_scsi_status
= "task aborted";
3808 desc_scsi_status
= "unknown";
3812 desc_scsi_state
[0] = '\0';
3814 desc_scsi_state
= " ";
3815 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
3816 strcat(desc_scsi_state
, "response info ");
3817 if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
3818 strcat(desc_scsi_state
, "state terminated ");
3819 if (scsi_state
& MPI2_SCSI_STATE_NO_SCSI_STATUS
)
3820 strcat(desc_scsi_state
, "no status ");
3821 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_FAILED
)
3822 strcat(desc_scsi_state
, "autosense failed ");
3823 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
)
3824 strcat(desc_scsi_state
, "autosense valid ");
3826 scsi_print_command(scmd
);
3828 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
3829 pr_warn(MPT3SAS_FMT
"\t%s wwid(0x%016llx)\n", ioc
->name
,
3830 device_str
, (unsigned long long)priv_target
->sas_address
);
3832 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3833 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
3834 priv_target
->sas_address
);
3837 "\tsas_address(0x%016llx), phy(%d)\n",
3838 ioc
->name
, (unsigned long long)
3839 sas_device
->sas_address
, sas_device
->phy
);
3841 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
3842 ioc
->name
, (unsigned long long)
3843 sas_device
->enclosure_logical_id
, sas_device
->slot
);
3845 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3849 "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
3850 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
),
3851 desc_ioc_state
, ioc_status
, smid
);
3853 "\trequest_len(%d), underflow(%d), resid(%d)\n",
3854 ioc
->name
, scsi_bufflen(scmd
), scmd
->underflow
,
3855 scsi_get_resid(scmd
));
3857 "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
3858 ioc
->name
, le16_to_cpu(mpi_reply
->TaskTag
),
3859 le32_to_cpu(mpi_reply
->TransferCount
), scmd
->result
);
3861 "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
3862 ioc
->name
, desc_scsi_status
,
3863 scsi_status
, desc_scsi_state
, scsi_state
);
3865 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
3866 struct sense_info data
;
3867 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
3869 "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
3870 ioc
->name
, data
.skey
,
3871 data
.asc
, data
.ascq
, le32_to_cpu(mpi_reply
->SenseCount
));
3874 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
) {
3875 response_info
= le32_to_cpu(mpi_reply
->ResponseInfo
);
3876 response_bytes
= (u8
*)&response_info
;
3877 _scsih_response_code(ioc
, response_bytes
[0]);
3883 * _scsih_turn_on_fault_led - illuminate Fault LED
3884 * @ioc: per adapter object
3885 * @handle: device handle
3891 _scsih_turn_on_fault_led(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3893 Mpi2SepReply_t mpi_reply
;
3894 Mpi2SepRequest_t mpi_request
;
3896 memset(&mpi_request
, 0, sizeof(Mpi2SepRequest_t
));
3897 mpi_request
.Function
= MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
;
3898 mpi_request
.Action
= MPI2_SEP_REQ_ACTION_WRITE_STATUS
;
3899 mpi_request
.SlotStatus
=
3900 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT
);
3901 mpi_request
.DevHandle
= cpu_to_le16(handle
);
3902 mpi_request
.Flags
= MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS
;
3903 if ((mpt3sas_base_scsi_enclosure_processor(ioc
, &mpi_reply
,
3904 &mpi_request
)) != 0) {
3905 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
3906 __FILE__
, __LINE__
, __func__
);
3910 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
) {
3911 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3912 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
3913 ioc
->name
, le16_to_cpu(mpi_reply
.IOCStatus
),
3914 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
3920 * _scsih_send_event_to_turn_on_fault_led - fire delayed event
3921 * @ioc: per adapter object
3922 * @handle: device handle
3923 * Context: interrupt.
3928 _scsih_send_event_to_turn_on_fault_led(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3930 struct fw_event_work
*fw_event
;
3932 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
3935 fw_event
->event
= MPT3SAS_TURN_ON_FAULT_LED
;
3936 fw_event
->device_handle
= handle
;
3937 fw_event
->ioc
= ioc
;
3938 _scsih_fw_event_add(ioc
, fw_event
);
3942 * _scsih_smart_predicted_fault - process smart errors
3943 * @ioc: per adapter object
3944 * @handle: device handle
3945 * Context: interrupt.
3950 _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3952 struct scsi_target
*starget
;
3953 struct MPT3SAS_TARGET
*sas_target_priv_data
;
3954 Mpi2EventNotificationReply_t
*event_reply
;
3955 Mpi2EventDataSasDeviceStatusChange_t
*event_data
;
3956 struct _sas_device
*sas_device
;
3958 unsigned long flags
;
3960 /* only handle non-raid devices */
3961 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3962 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
3964 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3967 starget
= sas_device
->starget
;
3968 sas_target_priv_data
= starget
->hostdata
;
3970 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) ||
3971 ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))) {
3972 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3975 starget_printk(KERN_WARNING
, starget
, "predicted fault\n");
3976 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3978 if (ioc
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_IBM
)
3979 _scsih_send_event_to_turn_on_fault_led(ioc
, handle
);
3981 /* insert into event log */
3982 sz
= offsetof(Mpi2EventNotificationReply_t
, EventData
) +
3983 sizeof(Mpi2EventDataSasDeviceStatusChange_t
);
3984 event_reply
= kzalloc(sz
, GFP_KERNEL
);
3986 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
3987 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3991 event_reply
->Function
= MPI2_FUNCTION_EVENT_NOTIFICATION
;
3992 event_reply
->Event
=
3993 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
);
3994 event_reply
->MsgLength
= sz
/4;
3995 event_reply
->EventDataLength
=
3996 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t
)/4);
3997 event_data
= (Mpi2EventDataSasDeviceStatusChange_t
*)
3998 event_reply
->EventData
;
3999 event_data
->ReasonCode
= MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
;
4000 event_data
->ASC
= 0x5D;
4001 event_data
->DevHandle
= cpu_to_le16(handle
);
4002 event_data
->SASAddress
= cpu_to_le64(sas_target_priv_data
->sas_address
);
4003 mpt3sas_ctl_add_to_event_log(ioc
, event_reply
);
4008 * _scsih_io_done - scsi request callback
4009 * @ioc: per adapter object
4010 * @smid: system request message index
4011 * @msix_index: MSIX table index supplied by the OS
4012 * @reply: reply message frame(lower 32bit addr)
4014 * Callback handler when using _scsih_qcmd.
4016 * Return 1 meaning mf should be freed from _base_interrupt
4017 * 0 means the mf is freed from this function.
4020 _scsih_io_done(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
4022 Mpi2SCSIIORequest_t
*mpi_request
;
4023 Mpi2SCSIIOReply_t
*mpi_reply
;
4024 struct scsi_cmnd
*scmd
;
4030 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
4031 u32 response_code
= 0;
4033 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
4034 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
4038 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
4040 if (mpi_reply
== NULL
) {
4041 scmd
->result
= DID_OK
<< 16;
4045 sas_device_priv_data
= scmd
->device
->hostdata
;
4046 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
||
4047 sas_device_priv_data
->sas_target
->deleted
) {
4048 scmd
->result
= DID_NO_CONNECT
<< 16;
4051 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
4053 /* turning off TLR */
4054 scsi_state
= mpi_reply
->SCSIState
;
4055 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
4057 le32_to_cpu(mpi_reply
->ResponseInfo
) & 0xFF;
4058 if (!sas_device_priv_data
->tlr_snoop_check
) {
4059 sas_device_priv_data
->tlr_snoop_check
++;
4060 if ((sas_device_priv_data
->flags
& MPT_DEVICE_TLR_ON
) &&
4061 response_code
== MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
)
4062 sas_device_priv_data
->flags
&=
4066 xfer_cnt
= le32_to_cpu(mpi_reply
->TransferCount
);
4067 scsi_set_resid(scmd
, scsi_bufflen(scmd
) - xfer_cnt
);
4068 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
4069 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
4072 ioc_status
&= MPI2_IOCSTATUS_MASK
;
4073 scsi_status
= mpi_reply
->SCSIStatus
;
4075 if (ioc_status
== MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
&& xfer_cnt
== 0 &&
4076 (scsi_status
== MPI2_SCSI_STATUS_BUSY
||
4077 scsi_status
== MPI2_SCSI_STATUS_RESERVATION_CONFLICT
||
4078 scsi_status
== MPI2_SCSI_STATUS_TASK_SET_FULL
)) {
4079 ioc_status
= MPI2_IOCSTATUS_SUCCESS
;
4082 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
4083 struct sense_info data
;
4084 const void *sense_data
= mpt3sas_base_get_sense_buffer(ioc
,
4086 u32 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
4087 le32_to_cpu(mpi_reply
->SenseCount
));
4088 memcpy(scmd
->sense_buffer
, sense_data
, sz
);
4089 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
4090 /* failure prediction threshold exceeded */
4091 if (data
.asc
== 0x5D)
4092 _scsih_smart_predicted_fault(ioc
,
4093 le16_to_cpu(mpi_reply
->DevHandle
));
4094 mpt3sas_trigger_scsi(ioc
, data
.skey
, data
.asc
, data
.ascq
);
4097 switch (ioc_status
) {
4098 case MPI2_IOCSTATUS_BUSY
:
4099 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES
:
4100 scmd
->result
= SAM_STAT_BUSY
;
4103 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
4104 scmd
->result
= DID_NO_CONNECT
<< 16;
4107 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
4108 if (sas_device_priv_data
->block
) {
4109 scmd
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
4112 if (log_info
== 0x31110630) {
4113 if (scmd
->retries
> 2) {
4114 scmd
->result
= DID_NO_CONNECT
<< 16;
4115 scsi_device_set_state(scmd
->device
,
4118 scmd
->result
= DID_SOFT_ERROR
<< 16;
4119 scmd
->device
->expecting_cc_ua
= 1;
4123 scmd
->result
= DID_SOFT_ERROR
<< 16;
4125 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
4126 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
4127 scmd
->result
= DID_RESET
<< 16;
4130 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
4131 if ((xfer_cnt
== 0) || (scmd
->underflow
> xfer_cnt
))
4132 scmd
->result
= DID_SOFT_ERROR
<< 16;
4134 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4137 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
4138 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4140 if ((scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
))
4143 if (xfer_cnt
< scmd
->underflow
) {
4144 if (scsi_status
== SAM_STAT_BUSY
)
4145 scmd
->result
= SAM_STAT_BUSY
;
4147 scmd
->result
= DID_SOFT_ERROR
<< 16;
4148 } else if (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4149 MPI2_SCSI_STATE_NO_SCSI_STATUS
))
4150 scmd
->result
= DID_SOFT_ERROR
<< 16;
4151 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4152 scmd
->result
= DID_RESET
<< 16;
4153 else if (!xfer_cnt
&& scmd
->cmnd
[0] == REPORT_LUNS
) {
4154 mpi_reply
->SCSIState
= MPI2_SCSI_STATE_AUTOSENSE_VALID
;
4155 mpi_reply
->SCSIStatus
= SAM_STAT_CHECK_CONDITION
;
4156 scmd
->result
= (DRIVER_SENSE
<< 24) |
4157 SAM_STAT_CHECK_CONDITION
;
4158 scmd
->sense_buffer
[0] = 0x70;
4159 scmd
->sense_buffer
[2] = ILLEGAL_REQUEST
;
4160 scmd
->sense_buffer
[12] = 0x20;
4161 scmd
->sense_buffer
[13] = 0;
4165 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
4166 scsi_set_resid(scmd
, 0);
4167 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
4168 case MPI2_IOCSTATUS_SUCCESS
:
4169 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4170 if (response_code
==
4171 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
||
4172 (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4173 MPI2_SCSI_STATE_NO_SCSI_STATUS
)))
4174 scmd
->result
= DID_SOFT_ERROR
<< 16;
4175 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4176 scmd
->result
= DID_RESET
<< 16;
4179 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
4180 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
4181 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
4182 _scsih_eedp_error_handling(scmd
, ioc_status
);
4185 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
4186 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
4187 case MPI2_IOCSTATUS_INVALID_SGL
:
4188 case MPI2_IOCSTATUS_INTERNAL_ERROR
:
4189 case MPI2_IOCSTATUS_INVALID_FIELD
:
4190 case MPI2_IOCSTATUS_INVALID_STATE
:
4191 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
4192 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
4194 scmd
->result
= DID_SOFT_ERROR
<< 16;
4199 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
4200 if (scmd
->result
&& (ioc
->logging_level
& MPT_DEBUG_REPLY
))
4201 _scsih_scsi_ioc_info(ioc
, scmd
, mpi_reply
, smid
);
4206 scsi_dma_unmap(scmd
);
4208 scmd
->scsi_done(scmd
);
4213 * _scsih_sas_host_refresh - refreshing sas host object contents
4214 * @ioc: per adapter object
4217 * During port enable, fw will send topology events for every device. Its
4218 * possible that the handles may change from the previous setting, so this
4219 * code keeping handles updating if changed.
4224 _scsih_sas_host_refresh(struct MPT3SAS_ADAPTER
*ioc
)
4229 Mpi2ConfigReply_t mpi_reply
;
4230 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4231 u16 attached_handle
;
4234 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
4235 "updating handles for sas_host(0x%016llx)\n",
4236 ioc
->name
, (unsigned long long)ioc
->sas_hba
.sas_address
));
4238 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
4239 * sizeof(Mpi2SasIOUnit0PhyData_t
));
4240 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4241 if (!sas_iounit_pg0
) {
4242 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4243 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4247 if ((mpt3sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4248 sas_iounit_pg0
, sz
)) != 0)
4250 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4251 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4253 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4254 link_rate
= sas_iounit_pg0
->PhyData
[i
].NegotiatedLinkRate
>> 4;
4256 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4257 PhyData
[0].ControllerDevHandle
);
4258 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4259 attached_handle
= le16_to_cpu(sas_iounit_pg0
->PhyData
[i
].
4261 if (attached_handle
&& link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
4262 link_rate
= MPI2_SAS_NEG_LINK_RATE_1_5
;
4263 mpt3sas_transport_update_links(ioc
, ioc
->sas_hba
.sas_address
,
4264 attached_handle
, i
, link_rate
);
4267 kfree(sas_iounit_pg0
);
4271 * _scsih_sas_host_add - create sas host object
4272 * @ioc: per adapter object
4274 * Creating host side data object, stored in ioc->sas_hba
4279 _scsih_sas_host_add(struct MPT3SAS_ADAPTER
*ioc
)
4282 Mpi2ConfigReply_t mpi_reply
;
4283 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4284 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
4285 Mpi2SasPhyPage0_t phy_pg0
;
4286 Mpi2SasDevicePage0_t sas_device_pg0
;
4287 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4290 u8 device_missing_delay
;
4292 mpt3sas_config_get_number_hba_phys(ioc
, &ioc
->sas_hba
.num_phys
);
4293 if (!ioc
->sas_hba
.num_phys
) {
4294 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4295 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4299 /* sas_iounit page 0 */
4300 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4301 sizeof(Mpi2SasIOUnit0PhyData_t
));
4302 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4303 if (!sas_iounit_pg0
) {
4304 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4305 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4308 if ((mpt3sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4309 sas_iounit_pg0
, sz
))) {
4310 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4311 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4314 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4315 MPI2_IOCSTATUS_MASK
;
4316 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4317 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4318 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4322 /* sas_iounit page 1 */
4323 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4324 sizeof(Mpi2SasIOUnit1PhyData_t
));
4325 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
4326 if (!sas_iounit_pg1
) {
4327 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4328 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4331 if ((mpt3sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
4332 sas_iounit_pg1
, sz
))) {
4333 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4334 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4337 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4338 MPI2_IOCSTATUS_MASK
;
4339 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4340 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4341 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4345 ioc
->io_missing_delay
=
4346 sas_iounit_pg1
->IODeviceMissingDelay
;
4347 device_missing_delay
=
4348 sas_iounit_pg1
->ReportDeviceMissingDelay
;
4349 if (device_missing_delay
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
4350 ioc
->device_missing_delay
= (device_missing_delay
&
4351 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
4353 ioc
->device_missing_delay
= device_missing_delay
&
4354 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
4356 ioc
->sas_hba
.parent_dev
= &ioc
->shost
->shost_gendev
;
4357 ioc
->sas_hba
.phy
= kcalloc(ioc
->sas_hba
.num_phys
,
4358 sizeof(struct _sas_phy
), GFP_KERNEL
);
4359 if (!ioc
->sas_hba
.phy
) {
4360 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4361 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4364 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4365 if ((mpt3sas_config_get_phy_pg0(ioc
, &mpi_reply
, &phy_pg0
,
4367 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4368 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4371 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4372 MPI2_IOCSTATUS_MASK
;
4373 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4374 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4375 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4380 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4381 PhyData
[0].ControllerDevHandle
);
4382 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4383 ioc
->sas_hba
.phy
[i
].phy_id
= i
;
4384 mpt3sas_transport_add_host_phy(ioc
, &ioc
->sas_hba
.phy
[i
],
4385 phy_pg0
, ioc
->sas_hba
.parent_dev
);
4387 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4388 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, ioc
->sas_hba
.handle
))) {
4389 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4390 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4393 ioc
->sas_hba
.enclosure_handle
=
4394 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4395 ioc
->sas_hba
.sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4397 "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
4398 ioc
->name
, ioc
->sas_hba
.handle
,
4399 (unsigned long long) ioc
->sas_hba
.sas_address
,
4400 ioc
->sas_hba
.num_phys
) ;
4402 if (ioc
->sas_hba
.enclosure_handle
) {
4403 if (!(mpt3sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4404 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4405 ioc
->sas_hba
.enclosure_handle
)))
4406 ioc
->sas_hba
.enclosure_logical_id
=
4407 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4411 kfree(sas_iounit_pg1
);
4412 kfree(sas_iounit_pg0
);
4416 * _scsih_expander_add - creating expander object
4417 * @ioc: per adapter object
4418 * @handle: expander handle
4420 * Creating expander object, stored in ioc->sas_expander_list.
4422 * Return 0 for success, else error.
4425 _scsih_expander_add(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
4427 struct _sas_node
*sas_expander
;
4428 Mpi2ConfigReply_t mpi_reply
;
4429 Mpi2ExpanderPage0_t expander_pg0
;
4430 Mpi2ExpanderPage1_t expander_pg1
;
4431 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4434 u64 sas_address
, sas_address_parent
= 0;
4436 unsigned long flags
;
4437 struct _sas_port
*mpt3sas_port
= NULL
;
4444 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
4447 if ((mpt3sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
4448 MPI2_SAS_EXPAND_PGAD_FORM_HNDL
, handle
))) {
4449 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4450 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4454 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4455 MPI2_IOCSTATUS_MASK
;
4456 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4457 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4458 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4462 /* handle out of order topology events */
4463 parent_handle
= le16_to_cpu(expander_pg0
.ParentDevHandle
);
4464 if (_scsih_get_sas_address(ioc
, parent_handle
, &sas_address_parent
)
4466 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4467 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4470 if (sas_address_parent
!= ioc
->sas_hba
.sas_address
) {
4471 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4472 sas_expander
= mpt3sas_scsih_expander_find_by_sas_address(ioc
,
4473 sas_address_parent
);
4474 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4475 if (!sas_expander
) {
4476 rc
= _scsih_expander_add(ioc
, parent_handle
);
4482 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4483 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
4484 sas_expander
= mpt3sas_scsih_expander_find_by_sas_address(ioc
,
4486 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4491 sas_expander
= kzalloc(sizeof(struct _sas_node
),
4493 if (!sas_expander
) {
4494 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4495 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4499 sas_expander
->handle
= handle
;
4500 sas_expander
->num_phys
= expander_pg0
.NumPhys
;
4501 sas_expander
->sas_address_parent
= sas_address_parent
;
4502 sas_expander
->sas_address
= sas_address
;
4504 pr_info(MPT3SAS_FMT
"expander_add: handle(0x%04x)," \
4505 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc
->name
,
4506 handle
, parent_handle
, (unsigned long long)
4507 sas_expander
->sas_address
, sas_expander
->num_phys
);
4509 if (!sas_expander
->num_phys
)
4511 sas_expander
->phy
= kcalloc(sas_expander
->num_phys
,
4512 sizeof(struct _sas_phy
), GFP_KERNEL
);
4513 if (!sas_expander
->phy
) {
4514 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4515 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4520 INIT_LIST_HEAD(&sas_expander
->sas_port_list
);
4521 mpt3sas_port
= mpt3sas_transport_port_add(ioc
, handle
,
4522 sas_address_parent
);
4523 if (!mpt3sas_port
) {
4524 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4525 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4529 sas_expander
->parent_dev
= &mpt3sas_port
->rphy
->dev
;
4531 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
4532 if ((mpt3sas_config_get_expander_pg1(ioc
, &mpi_reply
,
4533 &expander_pg1
, i
, handle
))) {
4534 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4535 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4539 sas_expander
->phy
[i
].handle
= handle
;
4540 sas_expander
->phy
[i
].phy_id
= i
;
4542 if ((mpt3sas_transport_add_expander_phy(ioc
,
4543 &sas_expander
->phy
[i
], expander_pg1
,
4544 sas_expander
->parent_dev
))) {
4545 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4546 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4552 if (sas_expander
->enclosure_handle
) {
4553 if (!(mpt3sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4554 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4555 sas_expander
->enclosure_handle
)))
4556 sas_expander
->enclosure_logical_id
=
4557 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4560 _scsih_expander_node_add(ioc
, sas_expander
);
4566 mpt3sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
4567 sas_address_parent
);
4568 kfree(sas_expander
);
4573 * mpt3sas_expander_remove - removing expander object
4574 * @ioc: per adapter object
4575 * @sas_address: expander sas_address
4580 mpt3sas_expander_remove(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
)
4582 struct _sas_node
*sas_expander
;
4583 unsigned long flags
;
4585 if (ioc
->shost_recovery
)
4588 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4589 sas_expander
= mpt3sas_scsih_expander_find_by_sas_address(ioc
,
4592 list_del(&sas_expander
->list
);
4593 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4595 _scsih_expander_node_remove(ioc
, sas_expander
);
4599 * _scsih_done - internal SCSI_IO callback handler.
4600 * @ioc: per adapter object
4601 * @smid: system request message index
4602 * @msix_index: MSIX table index supplied by the OS
4603 * @reply: reply message frame(lower 32bit addr)
4605 * Callback handler when sending internal generated SCSI_IO.
4606 * The callback index passed is `ioc->scsih_cb_idx`
4608 * Return 1 meaning mf should be freed from _base_interrupt
4609 * 0 means the mf is freed from this function.
4612 _scsih_done(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
4614 MPI2DefaultReply_t
*mpi_reply
;
4616 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
4617 if (ioc
->scsih_cmds
.status
== MPT3_CMD_NOT_USED
)
4619 if (ioc
->scsih_cmds
.smid
!= smid
)
4621 ioc
->scsih_cmds
.status
|= MPT3_CMD_COMPLETE
;
4623 memcpy(ioc
->scsih_cmds
.reply
, mpi_reply
,
4624 mpi_reply
->MsgLength
*4);
4625 ioc
->scsih_cmds
.status
|= MPT3_CMD_REPLY_VALID
;
4627 ioc
->scsih_cmds
.status
&= ~MPT3_CMD_PENDING
;
4628 complete(&ioc
->scsih_cmds
.done
);
4635 #define MPT3_MAX_LUNS (255)
4639 * _scsih_check_access_status - check access flags
4640 * @ioc: per adapter object
4641 * @sas_address: sas address
4642 * @handle: sas device handle
4643 * @access_flags: errors returned during discovery of the device
4645 * Return 0 for success, else failure
4648 _scsih_check_access_status(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
,
4649 u16 handle
, u8 access_status
)
4654 switch (access_status
) {
4655 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS
:
4656 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION
:
4659 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED
:
4660 desc
= "sata capability failed";
4662 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT
:
4663 desc
= "sata affiliation conflict";
4665 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE
:
4666 desc
= "route not addressable";
4668 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE
:
4669 desc
= "smp error not addressable";
4671 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED
:
4672 desc
= "device blocked";
4674 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED
:
4675 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN
:
4676 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT
:
4677 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG
:
4678 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION
:
4679 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER
:
4680 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN
:
4681 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN
:
4682 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN
:
4683 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION
:
4684 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE
:
4685 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX
:
4686 desc
= "sata initialization failed";
4697 "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
4698 ioc
->name
, desc
, (unsigned long long)sas_address
, handle
);
4703 * _scsih_check_device - checking device responsiveness
4704 * @ioc: per adapter object
4705 * @parent_sas_address: sas address of parent expander or sas host
4706 * @handle: attached device handle
4707 * @phy_numberv: phy number
4708 * @link_rate: new link rate
4713 _scsih_check_device(struct MPT3SAS_ADAPTER
*ioc
,
4714 u64 parent_sas_address
, u16 handle
, u8 phy_number
, u8 link_rate
)
4716 Mpi2ConfigReply_t mpi_reply
;
4717 Mpi2SasDevicePage0_t sas_device_pg0
;
4718 struct _sas_device
*sas_device
;
4720 unsigned long flags
;
4722 struct scsi_target
*starget
;
4723 struct MPT3SAS_TARGET
*sas_target_priv_data
;
4727 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4728 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
)))
4731 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4732 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4735 /* wide port handling ~ we need only handle device once for the phy that
4736 * is matched in sas device page zero
4738 if (phy_number
!= sas_device_pg0
.PhyNum
)
4741 /* check if this is end device */
4742 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
4743 if (!(_scsih_is_end_device(device_info
)))
4746 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4747 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4748 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
4752 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4756 if (unlikely(sas_device
->handle
!= handle
)) {
4757 starget
= sas_device
->starget
;
4758 sas_target_priv_data
= starget
->hostdata
;
4759 starget_printk(KERN_INFO
, starget
,
4760 "handle changed from(0x%04x) to (0x%04x)!!!\n",
4761 sas_device
->handle
, handle
);
4762 sas_target_priv_data
->handle
= handle
;
4763 sas_device
->handle
= handle
;
4766 /* check if device is present */
4767 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
4768 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
4770 "device is not present handle(0x%04x), flags!!!\n",
4772 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4776 /* check if there were any issues with discovery */
4777 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
4778 sas_device_pg0
.AccessStatus
)) {
4779 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4783 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4784 _scsih_ublock_io_device(ioc
, sas_address
);
4789 * _scsih_add_device - creating sas device object
4790 * @ioc: per adapter object
4791 * @handle: sas device handle
4792 * @phy_num: phy number end device attached to
4793 * @is_pd: is this hidden raid component
4795 * Creating end device object, stored in ioc->sas_device_list.
4797 * Returns 0 for success, non-zero for failure.
4800 _scsih_add_device(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
, u8 phy_num
,
4803 Mpi2ConfigReply_t mpi_reply
;
4804 Mpi2SasDevicePage0_t sas_device_pg0
;
4805 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4806 struct _sas_device
*sas_device
;
4810 unsigned long flags
;
4812 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4813 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
4814 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4815 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4819 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4820 MPI2_IOCSTATUS_MASK
;
4821 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4822 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4823 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4827 /* check if this is end device */
4828 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
4829 if (!(_scsih_is_end_device(device_info
)))
4831 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4833 /* check if device is present */
4834 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
4835 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
4836 pr_err(MPT3SAS_FMT
"device is not present handle(0x04%x)!!!\n",
4841 /* check if there were any issues with discovery */
4842 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
4843 sas_device_pg0
.AccessStatus
))
4846 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4847 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
4849 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4854 sas_device
= kzalloc(sizeof(struct _sas_device
),
4857 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4858 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4862 sas_device
->handle
= handle
;
4863 if (_scsih_get_sas_address(ioc
,
4864 le16_to_cpu(sas_device_pg0
.ParentDevHandle
),
4865 &sas_device
->sas_address_parent
) != 0)
4866 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4867 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4868 sas_device
->enclosure_handle
=
4869 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4871 le16_to_cpu(sas_device_pg0
.Slot
);
4872 sas_device
->device_info
= device_info
;
4873 sas_device
->sas_address
= sas_address
;
4874 sas_device
->phy
= sas_device_pg0
.PhyNum
;
4875 sas_device
->fast_path
= (le16_to_cpu(sas_device_pg0
.Flags
) &
4876 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE
) ? 1 : 0;
4878 /* get enclosure_logical_id */
4879 if (sas_device
->enclosure_handle
&& !(mpt3sas_config_get_enclosure_pg0(
4880 ioc
, &mpi_reply
, &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4881 sas_device
->enclosure_handle
)))
4882 sas_device
->enclosure_logical_id
=
4883 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4885 /* get device name */
4886 sas_device
->device_name
= le64_to_cpu(sas_device_pg0
.DeviceName
);
4888 if (ioc
->wait_for_discovery_to_complete
)
4889 _scsih_sas_device_init_add(ioc
, sas_device
);
4891 _scsih_sas_device_add(ioc
, sas_device
);
4897 * _scsih_remove_device - removing sas device object
4898 * @ioc: per adapter object
4899 * @sas_device_delete: the sas_device object
4904 _scsih_remove_device(struct MPT3SAS_ADAPTER
*ioc
,
4905 struct _sas_device
*sas_device
)
4907 struct MPT3SAS_TARGET
*sas_target_priv_data
;
4910 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
4911 "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
4912 ioc
->name
, __func__
,
4913 sas_device
->handle
, (unsigned long long)
4914 sas_device
->sas_address
));
4916 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
4917 sas_target_priv_data
= sas_device
->starget
->hostdata
;
4918 sas_target_priv_data
->deleted
= 1;
4919 _scsih_ublock_io_device(ioc
, sas_device
->sas_address
);
4920 sas_target_priv_data
->handle
=
4921 MPT3SAS_INVALID_DEVICE_HANDLE
;
4923 mpt3sas_transport_port_remove(ioc
,
4924 sas_device
->sas_address
,
4925 sas_device
->sas_address_parent
);
4928 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
4929 ioc
->name
, sas_device
->handle
,
4930 (unsigned long long) sas_device
->sas_address
);
4932 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
4933 "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
4934 ioc
->name
, __func__
,
4935 sas_device
->handle
, (unsigned long long)
4936 sas_device
->sas_address
));
4941 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
4943 * _scsih_sas_topology_change_event_debug - debug for topology event
4944 * @ioc: per adapter object
4945 * @event_data: event data payload
4949 _scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
4950 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
4956 char *status_str
= NULL
;
4957 u8 link_rate
, prev_link_rate
;
4959 switch (event_data
->ExpStatus
) {
4960 case MPI2_EVENT_SAS_TOPO_ES_ADDED
:
4963 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
:
4964 status_str
= "remove";
4966 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING
:
4968 status_str
= "responding";
4970 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
:
4971 status_str
= "remove delay";
4974 status_str
= "unknown status";
4977 pr_info(MPT3SAS_FMT
"sas topology change: (%s)\n",
4978 ioc
->name
, status_str
);
4979 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
4980 "start_phy(%02d), count(%d)\n",
4981 le16_to_cpu(event_data
->ExpanderDevHandle
),
4982 le16_to_cpu(event_data
->EnclosureHandle
),
4983 event_data
->StartPhyNum
, event_data
->NumEntries
);
4984 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
4985 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
4988 phy_number
= event_data
->StartPhyNum
+ i
;
4989 reason_code
= event_data
->PHY
[i
].PhyStatus
&
4990 MPI2_EVENT_SAS_TOPO_RC_MASK
;
4991 switch (reason_code
) {
4992 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
4993 status_str
= "target add";
4995 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
4996 status_str
= "target remove";
4998 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
:
4999 status_str
= "delay target remove";
5001 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5002 status_str
= "link rate change";
5004 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE
:
5005 status_str
= "target responding";
5008 status_str
= "unknown";
5011 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5012 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5013 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
5014 " link rate: new(0x%02x), old(0x%02x)\n", phy_number
,
5015 handle
, status_str
, link_rate
, prev_link_rate
);
5022 * _scsih_sas_topology_change_event - handle topology changes
5023 * @ioc: per adapter object
5024 * @fw_event: The fw_event_work object
5029 _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER
*ioc
,
5030 struct fw_event_work
*fw_event
)
5033 u16 parent_handle
, handle
;
5035 u8 phy_number
, max_phys
;
5036 struct _sas_node
*sas_expander
;
5038 unsigned long flags
;
5039 u8 link_rate
, prev_link_rate
;
5040 Mpi2EventDataSasTopologyChangeList_t
*event_data
= fw_event
->event_data
;
5042 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5043 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5044 _scsih_sas_topology_change_event_debug(ioc
, event_data
);
5047 if (ioc
->shost_recovery
|| ioc
->remove_host
|| ioc
->pci_error_recovery
)
5050 if (!ioc
->sas_hba
.num_phys
)
5051 _scsih_sas_host_add(ioc
);
5053 _scsih_sas_host_refresh(ioc
);
5055 if (fw_event
->ignore
) {
5056 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5057 "ignoring expander event\n", ioc
->name
));
5061 parent_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
5063 /* handle expander add */
5064 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_ADDED
)
5065 if (_scsih_expander_add(ioc
, parent_handle
) != 0)
5068 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5069 sas_expander
= mpt3sas_scsih_expander_find_by_handle(ioc
,
5072 sas_address
= sas_expander
->sas_address
;
5073 max_phys
= sas_expander
->num_phys
;
5074 } else if (parent_handle
< ioc
->sas_hba
.num_phys
) {
5075 sas_address
= ioc
->sas_hba
.sas_address
;
5076 max_phys
= ioc
->sas_hba
.num_phys
;
5078 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5081 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5083 /* handle siblings events */
5084 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
5085 if (fw_event
->ignore
) {
5086 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5087 "ignoring expander event\n", ioc
->name
));
5090 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
5092 phy_number
= event_data
->StartPhyNum
+ i
;
5093 if (phy_number
>= max_phys
)
5095 reason_code
= event_data
->PHY
[i
].PhyStatus
&
5096 MPI2_EVENT_SAS_TOPO_RC_MASK
;
5097 if ((event_data
->PHY
[i
].PhyStatus
&
5098 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
) && (reason_code
!=
5099 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
))
5101 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
5104 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5105 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5106 switch (reason_code
) {
5107 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5109 if (ioc
->shost_recovery
)
5112 if (link_rate
== prev_link_rate
)
5115 mpt3sas_transport_update_links(ioc
, sas_address
,
5116 handle
, phy_number
, link_rate
);
5118 if (link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
5121 _scsih_check_device(ioc
, sas_address
, handle
,
5122 phy_number
, link_rate
);
5125 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
5127 if (ioc
->shost_recovery
)
5130 mpt3sas_transport_update_links(ioc
, sas_address
,
5131 handle
, phy_number
, link_rate
);
5133 _scsih_add_device(ioc
, handle
, phy_number
, 0);
5136 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5138 _scsih_device_remove_by_handle(ioc
, handle
);
5143 /* handle expander removal */
5144 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
&&
5146 mpt3sas_expander_remove(ioc
, sas_address
);
5151 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5153 * _scsih_sas_device_status_change_event_debug - debug for device event
5154 * @event_data: event data payload
5160 _scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
5161 Mpi2EventDataSasDeviceStatusChange_t
*event_data
)
5163 char *reason_str
= NULL
;
5165 switch (event_data
->ReasonCode
) {
5166 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
:
5167 reason_str
= "smart data";
5169 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED
:
5170 reason_str
= "unsupported device discovered";
5172 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
:
5173 reason_str
= "internal device reset";
5175 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL
:
5176 reason_str
= "internal task abort";
5178 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL
:
5179 reason_str
= "internal task abort set";
5181 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL
:
5182 reason_str
= "internal clear task set";
5184 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL
:
5185 reason_str
= "internal query task";
5187 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE
:
5188 reason_str
= "sata init failure";
5190 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
:
5191 reason_str
= "internal device reset complete";
5193 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL
:
5194 reason_str
= "internal task abort complete";
5196 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION
:
5197 reason_str
= "internal async notification";
5199 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY
:
5200 reason_str
= "expander reduced functionality";
5202 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY
:
5203 reason_str
= "expander reduced functionality complete";
5206 reason_str
= "unknown reason";
5209 pr_info(MPT3SAS_FMT
"device status change: (%s)\n"
5210 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5211 ioc
->name
, reason_str
, le16_to_cpu(event_data
->DevHandle
),
5212 (unsigned long long)le64_to_cpu(event_data
->SASAddress
),
5213 le16_to_cpu(event_data
->TaskTag
));
5214 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
)
5215 pr_info(MPT3SAS_FMT
", ASC(0x%x), ASCQ(0x%x)\n", ioc
->name
,
5216 event_data
->ASC
, event_data
->ASCQ
);
5222 * _scsih_sas_device_status_change_event - handle device status change
5223 * @ioc: per adapter object
5224 * @fw_event: The fw_event_work object
5230 _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER
*ioc
,
5231 struct fw_event_work
*fw_event
)
5233 struct MPT3SAS_TARGET
*target_priv_data
;
5234 struct _sas_device
*sas_device
;
5236 unsigned long flags
;
5237 Mpi2EventDataSasDeviceStatusChange_t
*event_data
=
5238 fw_event
->event_data
;
5240 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5241 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5242 _scsih_sas_device_status_change_event_debug(ioc
,
5246 /* In MPI Revision K (0xC), the internal device reset complete was
5247 * implemented, so avoid setting tm_busy flag for older firmware.
5249 if ((ioc
->facts
.HeaderVersion
>> 8) < 0xC)
5252 if (event_data
->ReasonCode
!=
5253 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
&&
5254 event_data
->ReasonCode
!=
5255 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
)
5258 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5259 sas_address
= le64_to_cpu(event_data
->SASAddress
);
5260 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
5263 if (!sas_device
|| !sas_device
->starget
) {
5264 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5268 target_priv_data
= sas_device
->starget
->hostdata
;
5269 if (!target_priv_data
) {
5270 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5274 if (event_data
->ReasonCode
==
5275 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
)
5276 target_priv_data
->tm_busy
= 1;
5278 target_priv_data
->tm_busy
= 0;
5279 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5282 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5284 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
5286 * @ioc: per adapter object
5287 * @event_data: event data payload
5293 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
5294 Mpi2EventDataSasEnclDevStatusChange_t
*event_data
)
5296 char *reason_str
= NULL
;
5298 switch (event_data
->ReasonCode
) {
5299 case MPI2_EVENT_SAS_ENCL_RC_ADDED
:
5300 reason_str
= "enclosure add";
5302 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING
:
5303 reason_str
= "enclosure remove";
5306 reason_str
= "unknown reason";
5310 pr_info(MPT3SAS_FMT
"enclosure status change: (%s)\n"
5311 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5312 " number slots(%d)\n", ioc
->name
, reason_str
,
5313 le16_to_cpu(event_data
->EnclosureHandle
),
5314 (unsigned long long)le64_to_cpu(event_data
->EnclosureLogicalID
),
5315 le16_to_cpu(event_data
->StartSlot
));
5320 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5321 * @ioc: per adapter object
5322 * @fw_event: The fw_event_work object
5328 _scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER
*ioc
,
5329 struct fw_event_work
*fw_event
)
5331 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5332 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5333 _scsih_sas_enclosure_dev_status_change_event_debug(ioc
,
5334 fw_event
->event_data
);
5339 * _scsih_sas_broadcast_primitive_event - handle broadcast events
5340 * @ioc: per adapter object
5341 * @fw_event: The fw_event_work object
5347 _scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER
*ioc
,
5348 struct fw_event_work
*fw_event
)
5350 struct scsi_cmnd
*scmd
;
5351 struct scsi_device
*sdev
;
5354 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
5355 u32 termination_count
;
5357 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
5358 Mpi2EventDataSasBroadcastPrimitive_t
*event_data
= fw_event
->event_data
;
5360 unsigned long flags
;
5363 u8 task_abort_retries
;
5365 mutex_lock(&ioc
->tm_cmds
.mutex
);
5367 "%s: enter: phy number(%d), width(%d)\n",
5368 ioc
->name
, __func__
, event_data
->PhyNum
,
5369 event_data
->PortWidth
);
5371 _scsih_block_io_all_device(ioc
);
5373 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5374 mpi_reply
= ioc
->tm_cmds
.reply
;
5375 broadcast_aen_retry
:
5377 /* sanity checks for retrying this loop */
5378 if (max_retries
++ == 5) {
5379 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: giving up\n",
5380 ioc
->name
, __func__
));
5382 } else if (max_retries
> 1)
5383 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: %d retry\n",
5384 ioc
->name
, __func__
, max_retries
- 1));
5386 termination_count
= 0;
5388 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
5389 if (ioc
->shost_recovery
)
5391 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
5394 sdev
= scmd
->device
;
5395 sas_device_priv_data
= sdev
->hostdata
;
5396 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
)
5398 /* skip hidden raid components */
5399 if (sas_device_priv_data
->sas_target
->flags
&
5400 MPT_TARGET_FLAGS_RAID_COMPONENT
)
5403 if (sas_device_priv_data
->sas_target
->flags
&
5404 MPT_TARGET_FLAGS_VOLUME
)
5407 handle
= sas_device_priv_data
->sas_target
->handle
;
5408 lun
= sas_device_priv_data
->lun
;
5411 if (ioc
->shost_recovery
)
5414 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
5415 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, 0, 0, lun
,
5416 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
, smid
, 30, 0,
5419 sdev_printk(KERN_WARNING
, sdev
,
5420 "mpt3sas_scsih_issue_tm: FAILED when sending "
5421 "QUERY_TASK: scmd(%p)\n", scmd
);
5422 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5423 goto broadcast_aen_retry
;
5425 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
)
5426 & MPI2_IOCSTATUS_MASK
;
5427 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5428 sdev_printk(KERN_WARNING
, sdev
,
5429 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
5431 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5432 goto broadcast_aen_retry
;
5435 /* see if IO is still owned by IOC and target */
5436 if (mpi_reply
->ResponseCode
==
5437 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
||
5438 mpi_reply
->ResponseCode
==
5439 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
) {
5440 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5443 task_abort_retries
= 0;
5445 if (task_abort_retries
++ == 60) {
5446 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5447 "%s: ABORT_TASK: giving up\n", ioc
->name
,
5449 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5450 goto broadcast_aen_retry
;
5453 if (ioc
->shost_recovery
)
5456 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, sdev
->channel
, sdev
->id
,
5457 sdev
->lun
, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30,
5458 scmd
->serial_number
, TM_MUTEX_OFF
);
5460 sdev_printk(KERN_WARNING
, sdev
,
5461 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
5462 "scmd(%p)\n", scmd
);
5466 if (task_abort_retries
> 1)
5467 sdev_printk(KERN_WARNING
, sdev
,
5468 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
5470 task_abort_retries
- 1, scmd
);
5472 termination_count
+= le32_to_cpu(mpi_reply
->TerminationCount
);
5473 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5476 if (ioc
->broadcast_aen_pending
) {
5477 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5478 "%s: loop back due to pending AEN\n",
5479 ioc
->name
, __func__
));
5480 ioc
->broadcast_aen_pending
= 0;
5481 goto broadcast_aen_retry
;
5485 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
5488 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5489 "%s - exit, query_count = %d termination_count = %d\n",
5490 ioc
->name
, __func__
, query_count
, termination_count
));
5492 ioc
->broadcast_aen_busy
= 0;
5493 if (!ioc
->shost_recovery
)
5494 _scsih_ublock_io_all_device(ioc
);
5495 mutex_unlock(&ioc
->tm_cmds
.mutex
);
5499 * _scsih_sas_discovery_event - handle discovery events
5500 * @ioc: per adapter object
5501 * @fw_event: The fw_event_work object
5507 _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER
*ioc
,
5508 struct fw_event_work
*fw_event
)
5510 Mpi2EventDataSasDiscovery_t
*event_data
= fw_event
->event_data
;
5512 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5513 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
) {
5514 pr_info(MPT3SAS_FMT
"discovery event: (%s)", ioc
->name
,
5515 (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
) ?
5517 if (event_data
->DiscoveryStatus
)
5518 pr_info("discovery_status(0x%08x)",
5519 le32_to_cpu(event_data
->DiscoveryStatus
));
5524 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
&&
5525 !ioc
->sas_hba
.num_phys
) {
5526 if (disable_discovery
> 0 && ioc
->shost_recovery
) {
5527 /* Wait for the reset to complete */
5528 while (ioc
->shost_recovery
)
5531 _scsih_sas_host_add(ioc
);
5536 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
5537 * @ioc: per adapter object
5538 * @handle: device handle for physical disk
5539 * @phys_disk_num: physical disk number
5541 * Return 0 for success, else failure.
5544 _scsih_ir_fastpath(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
, u8 phys_disk_num
)
5546 Mpi2RaidActionRequest_t
*mpi_request
;
5547 Mpi2RaidActionReply_t
*mpi_reply
;
5555 mutex_lock(&ioc
->scsih_cmds
.mutex
);
5557 if (ioc
->scsih_cmds
.status
!= MPT3_CMD_NOT_USED
) {
5558 pr_err(MPT3SAS_FMT
"%s: scsih_cmd in use\n",
5559 ioc
->name
, __func__
);
5563 ioc
->scsih_cmds
.status
= MPT3_CMD_PENDING
;
5565 smid
= mpt3sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
5567 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
5568 ioc
->name
, __func__
);
5569 ioc
->scsih_cmds
.status
= MPT3_CMD_NOT_USED
;
5574 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
5575 ioc
->scsih_cmds
.smid
= smid
;
5576 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
5578 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
5579 mpi_request
->Action
= MPI2_RAID_ACTION_PHYSDISK_HIDDEN
;
5580 mpi_request
->PhysDiskNum
= phys_disk_num
;
5582 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
"IR RAID_ACTION: turning fast "\
5583 "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc
->name
,
5584 handle
, phys_disk_num
));
5586 init_completion(&ioc
->scsih_cmds
.done
);
5587 mpt3sas_base_put_smid_default(ioc
, smid
);
5588 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
5590 if (!(ioc
->scsih_cmds
.status
& MPT3_CMD_COMPLETE
)) {
5591 pr_err(MPT3SAS_FMT
"%s: timeout\n",
5592 ioc
->name
, __func__
);
5593 if (!(ioc
->scsih_cmds
.status
& MPT3_CMD_RESET
))
5599 if (ioc
->scsih_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
5601 mpi_reply
= ioc
->scsih_cmds
.reply
;
5602 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
5603 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
5604 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
5607 ioc_status
&= MPI2_IOCSTATUS_MASK
;
5608 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5609 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5610 "IR RAID_ACTION: failed: ioc_status(0x%04x), "
5611 "loginfo(0x%08x)!!!\n", ioc
->name
, ioc_status
,
5615 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5616 "IR RAID_ACTION: completed successfully\n",
5621 ioc
->scsih_cmds
.status
= MPT3_CMD_NOT_USED
;
5622 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
5625 mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
5631 * _scsih_reprobe_lun - reprobing lun
5632 * @sdev: scsi device struct
5633 * @no_uld_attach: sdev->no_uld_attach flag setting
5637 _scsih_reprobe_lun(struct scsi_device
*sdev
, void *no_uld_attach
)
5640 sdev
->no_uld_attach
= no_uld_attach
? 1 : 0;
5641 sdev_printk(KERN_INFO
, sdev
, "%s raid component\n",
5642 sdev
->no_uld_attach
? "hidding" : "exposing");
5643 rc
= scsi_device_reprobe(sdev
);
5647 * _scsih_sas_volume_add - add new volume
5648 * @ioc: per adapter object
5649 * @element: IR config element data
5655 _scsih_sas_volume_add(struct MPT3SAS_ADAPTER
*ioc
,
5656 Mpi2EventIrConfigElement_t
*element
)
5658 struct _raid_device
*raid_device
;
5659 unsigned long flags
;
5661 u16 handle
= le16_to_cpu(element
->VolDevHandle
);
5664 mpt3sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
5667 "failure at %s:%d/%s()!\n", ioc
->name
,
5668 __FILE__
, __LINE__
, __func__
);
5672 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5673 raid_device
= _scsih_raid_device_find_by_wwid(ioc
, wwid
);
5674 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5679 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
5682 "failure at %s:%d/%s()!\n", ioc
->name
,
5683 __FILE__
, __LINE__
, __func__
);
5687 raid_device
->id
= ioc
->sas_id
++;
5688 raid_device
->channel
= RAID_CHANNEL
;
5689 raid_device
->handle
= handle
;
5690 raid_device
->wwid
= wwid
;
5691 _scsih_raid_device_add(ioc
, raid_device
);
5692 if (!ioc
->wait_for_discovery_to_complete
) {
5693 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
5694 raid_device
->id
, 0);
5696 _scsih_raid_device_remove(ioc
, raid_device
);
5698 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5699 _scsih_determine_boot_device(ioc
, raid_device
, 1);
5700 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5705 * _scsih_sas_volume_delete - delete volume
5706 * @ioc: per adapter object
5707 * @handle: volume device handle
5713 _scsih_sas_volume_delete(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
5715 struct _raid_device
*raid_device
;
5716 unsigned long flags
;
5717 struct MPT3SAS_TARGET
*sas_target_priv_data
;
5718 struct scsi_target
*starget
= NULL
;
5720 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5721 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
5723 if (raid_device
->starget
) {
5724 starget
= raid_device
->starget
;
5725 sas_target_priv_data
= starget
->hostdata
;
5726 sas_target_priv_data
->deleted
= 1;
5728 pr_info(MPT3SAS_FMT
"removing handle(0x%04x), wwid(0x%016llx)\n",
5729 ioc
->name
, raid_device
->handle
,
5730 (unsigned long long) raid_device
->wwid
);
5731 list_del(&raid_device
->list
);
5734 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5736 scsi_remove_target(&starget
->dev
);
5740 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
5741 * @ioc: per adapter object
5742 * @element: IR config element data
5748 _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER
*ioc
,
5749 Mpi2EventIrConfigElement_t
*element
)
5751 struct _sas_device
*sas_device
;
5752 struct scsi_target
*starget
= NULL
;
5753 struct MPT3SAS_TARGET
*sas_target_priv_data
;
5754 unsigned long flags
;
5755 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5757 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5758 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5760 sas_device
->volume_handle
= 0;
5761 sas_device
->volume_wwid
= 0;
5762 clear_bit(handle
, ioc
->pd_handles
);
5763 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
5764 starget
= sas_device
->starget
;
5765 sas_target_priv_data
= starget
->hostdata
;
5766 sas_target_priv_data
->flags
&=
5767 ~MPT_TARGET_FLAGS_RAID_COMPONENT
;
5770 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5774 /* exposing raid component */
5776 starget_for_each_device(starget
, NULL
, _scsih_reprobe_lun
);
5780 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
5781 * @ioc: per adapter object
5782 * @element: IR config element data
5788 _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER
*ioc
,
5789 Mpi2EventIrConfigElement_t
*element
)
5791 struct _sas_device
*sas_device
;
5792 struct scsi_target
*starget
= NULL
;
5793 struct MPT3SAS_TARGET
*sas_target_priv_data
;
5794 unsigned long flags
;
5795 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5796 u16 volume_handle
= 0;
5797 u64 volume_wwid
= 0;
5799 mpt3sas_config_get_volume_handle(ioc
, handle
, &volume_handle
);
5801 mpt3sas_config_get_volume_wwid(ioc
, volume_handle
,
5804 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5805 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5807 set_bit(handle
, ioc
->pd_handles
);
5808 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
5809 starget
= sas_device
->starget
;
5810 sas_target_priv_data
= starget
->hostdata
;
5811 sas_target_priv_data
->flags
|=
5812 MPT_TARGET_FLAGS_RAID_COMPONENT
;
5813 sas_device
->volume_handle
= volume_handle
;
5814 sas_device
->volume_wwid
= volume_wwid
;
5817 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5821 /* hiding raid component */
5822 _scsih_ir_fastpath(ioc
, handle
, element
->PhysDiskNum
);
5824 starget_for_each_device(starget
, (void *)1, _scsih_reprobe_lun
);
5828 * _scsih_sas_pd_delete - delete pd component
5829 * @ioc: per adapter object
5830 * @element: IR config element data
5836 _scsih_sas_pd_delete(struct MPT3SAS_ADAPTER
*ioc
,
5837 Mpi2EventIrConfigElement_t
*element
)
5839 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5841 _scsih_device_remove_by_handle(ioc
, handle
);
5845 * _scsih_sas_pd_add - remove pd component
5846 * @ioc: per adapter object
5847 * @element: IR config element data
5853 _scsih_sas_pd_add(struct MPT3SAS_ADAPTER
*ioc
,
5854 Mpi2EventIrConfigElement_t
*element
)
5856 struct _sas_device
*sas_device
;
5857 unsigned long flags
;
5858 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5859 Mpi2ConfigReply_t mpi_reply
;
5860 Mpi2SasDevicePage0_t sas_device_pg0
;
5865 set_bit(handle
, ioc
->pd_handles
);
5867 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5868 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5869 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5871 _scsih_ir_fastpath(ioc
, handle
, element
->PhysDiskNum
);
5875 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5876 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
5877 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
5878 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5882 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5883 MPI2_IOCSTATUS_MASK
;
5884 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5885 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
5886 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5890 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
5891 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
5892 mpt3sas_transport_update_links(ioc
, sas_address
, handle
,
5893 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
5895 _scsih_ir_fastpath(ioc
, handle
, element
->PhysDiskNum
);
5896 _scsih_add_device(ioc
, handle
, 0, 1);
5899 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5901 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
5902 * @ioc: per adapter object
5903 * @event_data: event data payload
5909 _scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
5910 Mpi2EventDataIrConfigChangeList_t
*event_data
)
5912 Mpi2EventIrConfigElement_t
*element
;
5915 char *reason_str
= NULL
, *element_str
= NULL
;
5917 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
5919 pr_info(MPT3SAS_FMT
"raid config change: (%s), elements(%d)\n",
5920 ioc
->name
, (le32_to_cpu(event_data
->Flags
) &
5921 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ?
5922 "foreign" : "native", event_data
->NumElements
);
5923 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
5924 switch (element
->ReasonCode
) {
5925 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
5928 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
5929 reason_str
= "remove";
5931 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE
:
5932 reason_str
= "no change";
5934 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
5935 reason_str
= "hide";
5937 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
5938 reason_str
= "unhide";
5940 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
5941 reason_str
= "volume_created";
5943 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
5944 reason_str
= "volume_deleted";
5946 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
5947 reason_str
= "pd_created";
5949 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
5950 reason_str
= "pd_deleted";
5953 reason_str
= "unknown reason";
5956 element_type
= le16_to_cpu(element
->ElementFlags
) &
5957 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK
;
5958 switch (element_type
) {
5959 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT
:
5960 element_str
= "volume";
5962 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT
:
5963 element_str
= "phys disk";
5965 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT
:
5966 element_str
= "hot spare";
5969 element_str
= "unknown element";
5972 pr_info("\t(%s:%s), vol handle(0x%04x), " \
5973 "pd handle(0x%04x), pd num(0x%02x)\n", element_str
,
5974 reason_str
, le16_to_cpu(element
->VolDevHandle
),
5975 le16_to_cpu(element
->PhysDiskDevHandle
),
5976 element
->PhysDiskNum
);
5982 * _scsih_sas_ir_config_change_event - handle ir configuration change events
5983 * @ioc: per adapter object
5984 * @fw_event: The fw_event_work object
5990 _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER
*ioc
,
5991 struct fw_event_work
*fw_event
)
5993 Mpi2EventIrConfigElement_t
*element
;
5996 Mpi2EventDataIrConfigChangeList_t
*event_data
= fw_event
->event_data
;
5998 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5999 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6000 _scsih_sas_ir_config_change_event_debug(ioc
, event_data
);
6004 foreign_config
= (le32_to_cpu(event_data
->Flags
) &
6005 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ? 1 : 0;
6007 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
6008 if (ioc
->shost_recovery
) {
6010 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6011 if (element
->ReasonCode
== MPI2_EVENT_IR_CHANGE_RC_HIDE
)
6012 _scsih_ir_fastpath(ioc
,
6013 le16_to_cpu(element
->PhysDiskDevHandle
),
6014 element
->PhysDiskNum
);
6018 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6020 switch (element
->ReasonCode
) {
6021 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
6022 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
6023 if (!foreign_config
)
6024 _scsih_sas_volume_add(ioc
, element
);
6026 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
6027 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
6028 if (!foreign_config
)
6029 _scsih_sas_volume_delete(ioc
,
6030 le16_to_cpu(element
->VolDevHandle
));
6032 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
6033 _scsih_sas_pd_hide(ioc
, element
);
6035 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
6036 _scsih_sas_pd_expose(ioc
, element
);
6038 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
6039 _scsih_sas_pd_add(ioc
, element
);
6041 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
6042 _scsih_sas_pd_delete(ioc
, element
);
6049 * _scsih_sas_ir_volume_event - IR volume event
6050 * @ioc: per adapter object
6051 * @fw_event: The fw_event_work object
6057 _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER
*ioc
,
6058 struct fw_event_work
*fw_event
)
6061 unsigned long flags
;
6062 struct _raid_device
*raid_device
;
6066 Mpi2EventDataIrVolume_t
*event_data
= fw_event
->event_data
;
6068 if (ioc
->shost_recovery
)
6071 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
6074 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6075 state
= le32_to_cpu(event_data
->NewValue
);
6076 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
6077 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6078 ioc
->name
, __func__
, handle
,
6079 le32_to_cpu(event_data
->PreviousValue
), state
));
6081 case MPI2_RAID_VOL_STATE_MISSING
:
6082 case MPI2_RAID_VOL_STATE_FAILED
:
6083 _scsih_sas_volume_delete(ioc
, handle
);
6086 case MPI2_RAID_VOL_STATE_ONLINE
:
6087 case MPI2_RAID_VOL_STATE_DEGRADED
:
6088 case MPI2_RAID_VOL_STATE_OPTIMAL
:
6090 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6091 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6092 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6097 mpt3sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
6100 "failure at %s:%d/%s()!\n", ioc
->name
,
6101 __FILE__
, __LINE__
, __func__
);
6105 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
6108 "failure at %s:%d/%s()!\n", ioc
->name
,
6109 __FILE__
, __LINE__
, __func__
);
6113 raid_device
->id
= ioc
->sas_id
++;
6114 raid_device
->channel
= RAID_CHANNEL
;
6115 raid_device
->handle
= handle
;
6116 raid_device
->wwid
= wwid
;
6117 _scsih_raid_device_add(ioc
, raid_device
);
6118 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6119 raid_device
->id
, 0);
6121 _scsih_raid_device_remove(ioc
, raid_device
);
6124 case MPI2_RAID_VOL_STATE_INITIALIZING
:
6131 * _scsih_sas_ir_physical_disk_event - PD event
6132 * @ioc: per adapter object
6133 * @fw_event: The fw_event_work object
6139 _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER
*ioc
,
6140 struct fw_event_work
*fw_event
)
6142 u16 handle
, parent_handle
;
6144 struct _sas_device
*sas_device
;
6145 unsigned long flags
;
6146 Mpi2ConfigReply_t mpi_reply
;
6147 Mpi2SasDevicePage0_t sas_device_pg0
;
6149 Mpi2EventDataIrPhysicalDisk_t
*event_data
= fw_event
->event_data
;
6152 if (ioc
->shost_recovery
)
6155 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED
)
6158 handle
= le16_to_cpu(event_data
->PhysDiskDevHandle
);
6159 state
= le32_to_cpu(event_data
->NewValue
);
6161 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
6162 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6163 ioc
->name
, __func__
, handle
,
6164 le32_to_cpu(event_data
->PreviousValue
), state
));
6166 case MPI2_RAID_PD_STATE_ONLINE
:
6167 case MPI2_RAID_PD_STATE_DEGRADED
:
6168 case MPI2_RAID_PD_STATE_REBUILDING
:
6169 case MPI2_RAID_PD_STATE_OPTIMAL
:
6170 case MPI2_RAID_PD_STATE_HOT_SPARE
:
6172 set_bit(handle
, ioc
->pd_handles
);
6173 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6174 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6175 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6180 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6181 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
6183 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
6184 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6188 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6189 MPI2_IOCSTATUS_MASK
;
6190 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6191 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
6192 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6196 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6197 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
6198 mpt3sas_transport_update_links(ioc
, sas_address
, handle
,
6199 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6201 _scsih_add_device(ioc
, handle
, 0, 1);
6205 case MPI2_RAID_PD_STATE_OFFLINE
:
6206 case MPI2_RAID_PD_STATE_NOT_CONFIGURED
:
6207 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE
:
6213 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
6215 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6216 * @ioc: per adapter object
6217 * @event_data: event data payload
6223 _scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
6224 Mpi2EventDataIrOperationStatus_t
*event_data
)
6226 char *reason_str
= NULL
;
6228 switch (event_data
->RAIDOperation
) {
6229 case MPI2_EVENT_IR_RAIDOP_RESYNC
:
6230 reason_str
= "resync";
6232 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION
:
6233 reason_str
= "online capacity expansion";
6235 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK
:
6236 reason_str
= "consistency check";
6238 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT
:
6239 reason_str
= "background init";
6241 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT
:
6242 reason_str
= "make data consistent";
6249 pr_info(MPT3SAS_FMT
"raid operational status: (%s)" \
6250 "\thandle(0x%04x), percent complete(%d)\n",
6251 ioc
->name
, reason_str
,
6252 le16_to_cpu(event_data
->VolDevHandle
),
6253 event_data
->PercentComplete
);
6258 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6259 * @ioc: per adapter object
6260 * @fw_event: The fw_event_work object
6266 _scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER
*ioc
,
6267 struct fw_event_work
*fw_event
)
6269 Mpi2EventDataIrOperationStatus_t
*event_data
= fw_event
->event_data
;
6270 static struct _raid_device
*raid_device
;
6271 unsigned long flags
;
6274 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
6275 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6276 _scsih_sas_ir_operation_status_event_debug(ioc
,
6280 /* code added for raid transport support */
6281 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
) {
6283 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6284 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6285 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6287 raid_device
->percent_complete
=
6288 event_data
->PercentComplete
;
6289 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6294 * _scsih_prep_device_scan - initialize parameters prior to device scan
6295 * @ioc: per adapter object
6297 * Set the deleted flag prior to device scan. If the device is found during
6298 * the scan, then we clear the deleted flag.
6301 _scsih_prep_device_scan(struct MPT3SAS_ADAPTER
*ioc
)
6303 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
6304 struct scsi_device
*sdev
;
6306 shost_for_each_device(sdev
, ioc
->shost
) {
6307 sas_device_priv_data
= sdev
->hostdata
;
6308 if (sas_device_priv_data
&& sas_device_priv_data
->sas_target
)
6309 sas_device_priv_data
->sas_target
->deleted
= 1;
6314 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6315 * @ioc: per adapter object
6316 * @sas_address: sas address
6317 * @slot: enclosure slot id
6318 * @handle: device handle
6320 * After host reset, find out whether devices are still responding.
6321 * Used in _scsih_remove_unresponsive_sas_devices.
6326 _scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
,
6327 u16 slot
, u16 handle
)
6329 struct MPT3SAS_TARGET
*sas_target_priv_data
= NULL
;
6330 struct scsi_target
*starget
;
6331 struct _sas_device
*sas_device
;
6332 unsigned long flags
;
6334 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6335 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
6336 if (sas_device
->sas_address
== sas_address
&&
6337 sas_device
->slot
== slot
) {
6338 sas_device
->responding
= 1;
6339 starget
= sas_device
->starget
;
6340 if (starget
&& starget
->hostdata
) {
6341 sas_target_priv_data
= starget
->hostdata
;
6342 sas_target_priv_data
->tm_busy
= 0;
6343 sas_target_priv_data
->deleted
= 0;
6345 sas_target_priv_data
= NULL
;
6347 starget_printk(KERN_INFO
, starget
,
6348 "handle(0x%04x), sas_addr(0x%016llx), "
6349 "enclosure logical id(0x%016llx), "
6350 "slot(%d)\n", handle
,
6351 (unsigned long long)sas_device
->sas_address
,
6352 (unsigned long long)
6353 sas_device
->enclosure_logical_id
,
6355 if (sas_device
->handle
== handle
)
6357 pr_info("\thandle changed from(0x%04x)!!!\n",
6358 sas_device
->handle
);
6359 sas_device
->handle
= handle
;
6360 if (sas_target_priv_data
)
6361 sas_target_priv_data
->handle
= handle
;
6366 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6370 * _scsih_search_responding_sas_devices -
6371 * @ioc: per adapter object
6373 * After host reset, find out whether devices are still responding.
6379 _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER
*ioc
)
6381 Mpi2SasDevicePage0_t sas_device_pg0
;
6382 Mpi2ConfigReply_t mpi_reply
;
6387 pr_info(MPT3SAS_FMT
"search for end-devices: start\n", ioc
->name
);
6389 if (list_empty(&ioc
->sas_device_list
))
6393 while (!(mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6394 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
6396 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6397 MPI2_IOCSTATUS_MASK
;
6398 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6400 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
6401 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
6402 if (!(_scsih_is_end_device(device_info
)))
6404 _scsih_mark_responding_sas_device(ioc
,
6405 le64_to_cpu(sas_device_pg0
.SASAddress
),
6406 le16_to_cpu(sas_device_pg0
.Slot
), handle
);
6410 pr_info(MPT3SAS_FMT
"search for end-devices: complete\n",
6415 * _scsih_mark_responding_raid_device - mark a raid_device as responding
6416 * @ioc: per adapter object
6417 * @wwid: world wide identifier for raid volume
6418 * @handle: device handle
6420 * After host reset, find out whether devices are still responding.
6421 * Used in _scsih_remove_unresponsive_raid_devices.
6426 _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER
*ioc
, u64 wwid
,
6429 struct MPT3SAS_TARGET
*sas_target_priv_data
;
6430 struct scsi_target
*starget
;
6431 struct _raid_device
*raid_device
;
6432 unsigned long flags
;
6434 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6435 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
6436 if (raid_device
->wwid
== wwid
&& raid_device
->starget
) {
6437 starget
= raid_device
->starget
;
6438 if (starget
&& starget
->hostdata
) {
6439 sas_target_priv_data
= starget
->hostdata
;
6440 sas_target_priv_data
->deleted
= 0;
6442 sas_target_priv_data
= NULL
;
6443 raid_device
->responding
= 1;
6444 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6445 starget_printk(KERN_INFO
, raid_device
->starget
,
6446 "handle(0x%04x), wwid(0x%016llx)\n", handle
,
6447 (unsigned long long)raid_device
->wwid
);
6448 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6449 if (raid_device
->handle
== handle
) {
6450 spin_unlock_irqrestore(&ioc
->raid_device_lock
,
6454 pr_info("\thandle changed from(0x%04x)!!!\n",
6455 raid_device
->handle
);
6456 raid_device
->handle
= handle
;
6457 if (sas_target_priv_data
)
6458 sas_target_priv_data
->handle
= handle
;
6459 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6463 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6467 * _scsih_search_responding_raid_devices -
6468 * @ioc: per adapter object
6470 * After host reset, find out whether devices are still responding.
6476 _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER
*ioc
)
6478 Mpi2RaidVolPage1_t volume_pg1
;
6479 Mpi2RaidVolPage0_t volume_pg0
;
6480 Mpi2RaidPhysDiskPage0_t pd_pg0
;
6481 Mpi2ConfigReply_t mpi_reply
;
6486 if (!ioc
->ir_firmware
)
6489 pr_info(MPT3SAS_FMT
"search for raid volumes: start\n",
6492 if (list_empty(&ioc
->raid_device_list
))
6496 while (!(mpt3sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
6497 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
6498 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6499 MPI2_IOCSTATUS_MASK
;
6500 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6502 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
6504 if (mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
6505 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
6506 sizeof(Mpi2RaidVolPage0_t
)))
6509 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
6510 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
6511 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
)
6512 _scsih_mark_responding_raid_device(ioc
,
6513 le64_to_cpu(volume_pg1
.WWID
), handle
);
6516 /* refresh the pd_handles */
6517 phys_disk_num
= 0xFF;
6518 memset(ioc
->pd_handles
, 0, ioc
->pd_handles_sz
);
6519 while (!(mpt3sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
6520 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
6522 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6523 MPI2_IOCSTATUS_MASK
;
6524 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6526 phys_disk_num
= pd_pg0
.PhysDiskNum
;
6527 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
6528 set_bit(handle
, ioc
->pd_handles
);
6531 pr_info(MPT3SAS_FMT
"search for responding raid volumes: complete\n",
6536 * _scsih_mark_responding_expander - mark a expander as responding
6537 * @ioc: per adapter object
6538 * @sas_address: sas address
6541 * After host reset, find out whether devices are still responding.
6542 * Used in _scsih_remove_unresponsive_expanders.
6547 _scsih_mark_responding_expander(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
,
6550 struct _sas_node
*sas_expander
;
6551 unsigned long flags
;
6554 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6555 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
6556 if (sas_expander
->sas_address
!= sas_address
)
6558 sas_expander
->responding
= 1;
6559 if (sas_expander
->handle
== handle
)
6561 pr_info("\texpander(0x%016llx): handle changed" \
6562 " from(0x%04x) to (0x%04x)!!!\n",
6563 (unsigned long long)sas_expander
->sas_address
,
6564 sas_expander
->handle
, handle
);
6565 sas_expander
->handle
= handle
;
6566 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++)
6567 sas_expander
->phy
[i
].handle
= handle
;
6571 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6575 * _scsih_search_responding_expanders -
6576 * @ioc: per adapter object
6578 * After host reset, find out whether devices are still responding.
6584 _scsih_search_responding_expanders(struct MPT3SAS_ADAPTER
*ioc
)
6586 Mpi2ExpanderPage0_t expander_pg0
;
6587 Mpi2ConfigReply_t mpi_reply
;
6592 pr_info(MPT3SAS_FMT
"search for expanders: start\n", ioc
->name
);
6594 if (list_empty(&ioc
->sas_expander_list
))
6598 while (!(mpt3sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
6599 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
6601 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6602 MPI2_IOCSTATUS_MASK
;
6603 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6606 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
6607 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
6608 pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
6610 (unsigned long long)sas_address
);
6611 _scsih_mark_responding_expander(ioc
, sas_address
, handle
);
6615 pr_info(MPT3SAS_FMT
"search for expanders: complete\n", ioc
->name
);
6619 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
6620 * @ioc: per adapter object
6625 _scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER
*ioc
)
6627 struct _sas_device
*sas_device
, *sas_device_next
;
6628 struct _sas_node
*sas_expander
, *sas_expander_next
;
6629 struct _raid_device
*raid_device
, *raid_device_next
;
6630 struct list_head tmp_list
;
6631 unsigned long flags
;
6633 pr_info(MPT3SAS_FMT
"removing unresponding devices: start\n",
6636 /* removing unresponding end devices */
6637 pr_info(MPT3SAS_FMT
"removing unresponding devices: end-devices\n",
6639 list_for_each_entry_safe(sas_device
, sas_device_next
,
6640 &ioc
->sas_device_list
, list
) {
6641 if (!sas_device
->responding
)
6642 mpt3sas_device_remove_by_sas_address(ioc
,
6643 sas_device
->sas_address
);
6645 sas_device
->responding
= 0;
6648 /* removing unresponding volumes */
6649 if (ioc
->ir_firmware
) {
6650 pr_info(MPT3SAS_FMT
"removing unresponding devices: volumes\n",
6652 list_for_each_entry_safe(raid_device
, raid_device_next
,
6653 &ioc
->raid_device_list
, list
) {
6654 if (!raid_device
->responding
)
6655 _scsih_sas_volume_delete(ioc
,
6656 raid_device
->handle
);
6658 raid_device
->responding
= 0;
6662 /* removing unresponding expanders */
6663 pr_info(MPT3SAS_FMT
"removing unresponding devices: expanders\n",
6665 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6666 INIT_LIST_HEAD(&tmp_list
);
6667 list_for_each_entry_safe(sas_expander
, sas_expander_next
,
6668 &ioc
->sas_expander_list
, list
) {
6669 if (!sas_expander
->responding
)
6670 list_move_tail(&sas_expander
->list
, &tmp_list
);
6672 sas_expander
->responding
= 0;
6674 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6675 list_for_each_entry_safe(sas_expander
, sas_expander_next
, &tmp_list
,
6677 list_del(&sas_expander
->list
);
6678 _scsih_expander_node_remove(ioc
, sas_expander
);
6681 pr_info(MPT3SAS_FMT
"removing unresponding devices: complete\n",
6684 /* unblock devices */
6685 _scsih_ublock_io_all_device(ioc
);
6689 _scsih_refresh_expander_links(struct MPT3SAS_ADAPTER
*ioc
,
6690 struct _sas_node
*sas_expander
, u16 handle
)
6692 Mpi2ExpanderPage1_t expander_pg1
;
6693 Mpi2ConfigReply_t mpi_reply
;
6696 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
6697 if ((mpt3sas_config_get_expander_pg1(ioc
, &mpi_reply
,
6698 &expander_pg1
, i
, handle
))) {
6699 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
6700 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6704 mpt3sas_transport_update_links(ioc
, sas_expander
->sas_address
,
6705 le16_to_cpu(expander_pg1
.AttachedDevHandle
), i
,
6706 expander_pg1
.NegotiatedLinkRate
>> 4);
6711 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
6712 * @ioc: per adapter object
6717 _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER
*ioc
)
6719 Mpi2ExpanderPage0_t expander_pg0
;
6720 Mpi2SasDevicePage0_t sas_device_pg0
;
6721 Mpi2RaidVolPage1_t volume_pg1
;
6722 Mpi2RaidVolPage0_t volume_pg0
;
6723 Mpi2RaidPhysDiskPage0_t pd_pg0
;
6724 Mpi2EventIrConfigElement_t element
;
6725 Mpi2ConfigReply_t mpi_reply
;
6728 u16 handle
, parent_handle
;
6730 struct _sas_device
*sas_device
;
6731 struct _sas_node
*expander_device
;
6732 static struct _raid_device
*raid_device
;
6734 unsigned long flags
;
6736 pr_info(MPT3SAS_FMT
"scan devices: start\n", ioc
->name
);
6738 _scsih_sas_host_refresh(ioc
);
6740 pr_info(MPT3SAS_FMT
"\tscan devices: expanders start\n", ioc
->name
);
6744 while (!(mpt3sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
6745 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
6746 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6747 MPI2_IOCSTATUS_MASK
;
6748 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6750 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6751 pr_info(MPT3SAS_FMT
"\tbreak from expander scan: " \
6752 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6753 ioc
->name
, ioc_status
,
6754 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6757 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
6758 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6759 expander_device
= mpt3sas_scsih_expander_find_by_sas_address(
6760 ioc
, le64_to_cpu(expander_pg0
.SASAddress
));
6761 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6762 if (expander_device
)
6763 _scsih_refresh_expander_links(ioc
, expander_device
,
6766 pr_info(MPT3SAS_FMT
"\tBEFORE adding expander: " \
6767 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6768 handle
, (unsigned long long)
6769 le64_to_cpu(expander_pg0
.SASAddress
));
6770 _scsih_expander_add(ioc
, handle
);
6771 pr_info(MPT3SAS_FMT
"\tAFTER adding expander: " \
6772 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6773 handle
, (unsigned long long)
6774 le64_to_cpu(expander_pg0
.SASAddress
));
6778 pr_info(MPT3SAS_FMT
"\tscan devices: expanders complete\n",
6781 if (!ioc
->ir_firmware
)
6784 pr_info(MPT3SAS_FMT
"\tscan devices: phys disk start\n", ioc
->name
);
6787 phys_disk_num
= 0xFF;
6788 while (!(mpt3sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
6789 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
6791 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6792 MPI2_IOCSTATUS_MASK
;
6793 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6795 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6796 pr_info(MPT3SAS_FMT
"\tbreak from phys disk scan: "\
6797 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6798 ioc
->name
, ioc_status
,
6799 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6802 phys_disk_num
= pd_pg0
.PhysDiskNum
;
6803 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
6804 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6805 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6806 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6809 if (mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6810 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
6813 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6814 MPI2_IOCSTATUS_MASK
;
6815 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6816 pr_info(MPT3SAS_FMT
"\tbreak from phys disk scan " \
6817 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6818 ioc
->name
, ioc_status
,
6819 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6822 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6823 if (!_scsih_get_sas_address(ioc
, parent_handle
,
6825 pr_info(MPT3SAS_FMT
"\tBEFORE adding phys disk: " \
6826 " handle (0x%04x), sas_addr(0x%016llx)\n",
6827 ioc
->name
, handle
, (unsigned long long)
6828 le64_to_cpu(sas_device_pg0
.SASAddress
));
6829 mpt3sas_transport_update_links(ioc
, sas_address
,
6830 handle
, sas_device_pg0
.PhyNum
,
6831 MPI2_SAS_NEG_LINK_RATE_1_5
);
6832 set_bit(handle
, ioc
->pd_handles
);
6834 /* This will retry adding the end device.
6835 * _scsih_add_device() will decide on retries and
6836 * return "1" when it should be retried
6838 while (_scsih_add_device(ioc
, handle
, retry_count
++,
6842 pr_info(MPT3SAS_FMT
"\tAFTER adding phys disk: " \
6843 " handle (0x%04x), sas_addr(0x%016llx)\n",
6844 ioc
->name
, handle
, (unsigned long long)
6845 le64_to_cpu(sas_device_pg0
.SASAddress
));
6849 pr_info(MPT3SAS_FMT
"\tscan devices: phys disk complete\n",
6852 pr_info(MPT3SAS_FMT
"\tscan devices: volumes start\n", ioc
->name
);
6856 while (!(mpt3sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
6857 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
6858 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6859 MPI2_IOCSTATUS_MASK
;
6860 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6862 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6863 pr_info(MPT3SAS_FMT
"\tbreak from volume scan: " \
6864 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6865 ioc
->name
, ioc_status
,
6866 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6869 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
6870 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6871 raid_device
= _scsih_raid_device_find_by_wwid(ioc
,
6872 le64_to_cpu(volume_pg1
.WWID
));
6873 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6876 if (mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
6877 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
6878 sizeof(Mpi2RaidVolPage0_t
)))
6880 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6881 MPI2_IOCSTATUS_MASK
;
6882 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6883 pr_info(MPT3SAS_FMT
"\tbreak from volume scan: " \
6884 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6885 ioc
->name
, ioc_status
,
6886 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6889 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
6890 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
6891 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
) {
6892 memset(&element
, 0, sizeof(Mpi2EventIrConfigElement_t
));
6893 element
.ReasonCode
= MPI2_EVENT_IR_CHANGE_RC_ADDED
;
6894 element
.VolDevHandle
= volume_pg1
.DevHandle
;
6896 "\tBEFORE adding volume: handle (0x%04x)\n",
6897 ioc
->name
, volume_pg1
.DevHandle
);
6898 _scsih_sas_volume_add(ioc
, &element
);
6900 "\tAFTER adding volume: handle (0x%04x)\n",
6901 ioc
->name
, volume_pg1
.DevHandle
);
6905 pr_info(MPT3SAS_FMT
"\tscan devices: volumes complete\n",
6910 pr_info(MPT3SAS_FMT
"\tscan devices: end devices start\n",
6915 while (!(mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6916 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
6918 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6919 MPI2_IOCSTATUS_MASK
;
6920 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6922 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6923 pr_info(MPT3SAS_FMT
"\tbreak from end device scan:"\
6924 " ioc_status(0x%04x), loginfo(0x%08x)\n",
6925 ioc
->name
, ioc_status
,
6926 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6929 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
6930 if (!(_scsih_is_end_device(
6931 le32_to_cpu(sas_device_pg0
.DeviceInfo
))))
6933 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6934 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
6935 le64_to_cpu(sas_device_pg0
.SASAddress
));
6936 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6939 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6940 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
)) {
6941 pr_info(MPT3SAS_FMT
"\tBEFORE adding end device: " \
6942 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6943 handle
, (unsigned long long)
6944 le64_to_cpu(sas_device_pg0
.SASAddress
));
6945 mpt3sas_transport_update_links(ioc
, sas_address
, handle
,
6946 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6948 /* This will retry adding the end device.
6949 * _scsih_add_device() will decide on retries and
6950 * return "1" when it should be retried
6952 while (_scsih_add_device(ioc
, handle
, retry_count
++,
6956 pr_info(MPT3SAS_FMT
"\tAFTER adding end device: " \
6957 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6958 handle
, (unsigned long long)
6959 le64_to_cpu(sas_device_pg0
.SASAddress
));
6962 pr_info(MPT3SAS_FMT
"\tscan devices: end devices complete\n",
6965 pr_info(MPT3SAS_FMT
"scan devices: complete\n", ioc
->name
);
6968 * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
6969 * @ioc: per adapter object
6970 * @reset_phase: phase
6972 * The handler for doing any required cleanup or initialization.
6974 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
6975 * MPT3_IOC_DONE_RESET
6980 mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER
*ioc
, int reset_phase
)
6982 switch (reset_phase
) {
6983 case MPT3_IOC_PRE_RESET
:
6984 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
6985 "%s: MPT3_IOC_PRE_RESET\n", ioc
->name
, __func__
));
6987 case MPT3_IOC_AFTER_RESET
:
6988 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
6989 "%s: MPT3_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
6990 if (ioc
->scsih_cmds
.status
& MPT3_CMD_PENDING
) {
6991 ioc
->scsih_cmds
.status
|= MPT3_CMD_RESET
;
6992 mpt3sas_base_free_smid(ioc
, ioc
->scsih_cmds
.smid
);
6993 complete(&ioc
->scsih_cmds
.done
);
6995 if (ioc
->tm_cmds
.status
& MPT3_CMD_PENDING
) {
6996 ioc
->tm_cmds
.status
|= MPT3_CMD_RESET
;
6997 mpt3sas_base_free_smid(ioc
, ioc
->tm_cmds
.smid
);
6998 complete(&ioc
->tm_cmds
.done
);
7001 _scsih_fw_event_cleanup_queue(ioc
);
7002 _scsih_flush_running_cmds(ioc
);
7004 case MPT3_IOC_DONE_RESET
:
7005 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
7006 "%s: MPT3_IOC_DONE_RESET\n", ioc
->name
, __func__
));
7007 if ((!ioc
->is_driver_loading
) && !(disable_discovery
> 0 &&
7008 !ioc
->sas_hba
.num_phys
)) {
7009 _scsih_prep_device_scan(ioc
);
7010 _scsih_search_responding_sas_devices(ioc
);
7011 _scsih_search_responding_raid_devices(ioc
);
7012 _scsih_search_responding_expanders(ioc
);
7013 _scsih_error_recovery_delete_devices(ioc
);
7020 * _mpt3sas_fw_work - delayed task for processing firmware events
7021 * @ioc: per adapter object
7022 * @fw_event: The fw_event_work object
7028 _mpt3sas_fw_work(struct MPT3SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
7030 /* the queue is being flushed so ignore this event */
7031 if (ioc
->remove_host
|| fw_event
->cancel_pending_work
||
7032 ioc
->pci_error_recovery
) {
7033 _scsih_fw_event_free(ioc
, fw_event
);
7037 switch (fw_event
->event
) {
7038 case MPT3SAS_PROCESS_TRIGGER_DIAG
:
7039 mpt3sas_process_trigger_data(ioc
, fw_event
->event_data
);
7041 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES
:
7042 while (scsi_host_in_recovery(ioc
->shost
) || ioc
->shost_recovery
)
7044 _scsih_remove_unresponding_sas_devices(ioc
);
7045 _scsih_scan_for_devices_after_reset(ioc
);
7047 case MPT3SAS_PORT_ENABLE_COMPLETE
:
7048 ioc
->start_scan
= 0;
7049 if (missing_delay
[0] != -1 && missing_delay
[1] != -1)
7050 mpt3sas_base_update_missing_delay(ioc
, missing_delay
[0],
7052 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
7053 "port enable: complete from worker thread\n",
7056 case MPT3SAS_TURN_ON_FAULT_LED
:
7057 _scsih_turn_on_fault_led(ioc
, fw_event
->device_handle
);
7059 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7060 _scsih_sas_topology_change_event(ioc
, fw_event
);
7062 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7063 _scsih_sas_device_status_change_event(ioc
, fw_event
);
7065 case MPI2_EVENT_SAS_DISCOVERY
:
7066 _scsih_sas_discovery_event(ioc
, fw_event
);
7068 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7069 _scsih_sas_broadcast_primitive_event(ioc
, fw_event
);
7071 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7072 _scsih_sas_enclosure_dev_status_change_event(ioc
,
7075 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7076 _scsih_sas_ir_config_change_event(ioc
, fw_event
);
7078 case MPI2_EVENT_IR_VOLUME
:
7079 _scsih_sas_ir_volume_event(ioc
, fw_event
);
7081 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7082 _scsih_sas_ir_physical_disk_event(ioc
, fw_event
);
7084 case MPI2_EVENT_IR_OPERATION_STATUS
:
7085 _scsih_sas_ir_operation_status_event(ioc
, fw_event
);
7088 _scsih_fw_event_free(ioc
, fw_event
);
7092 * _firmware_event_work
7093 * @ioc: per adapter object
7094 * @work: The fw_event_work object
7097 * wrappers for the work thread handling firmware events
7103 _firmware_event_work(struct work_struct
*work
)
7105 struct fw_event_work
*fw_event
= container_of(work
,
7106 struct fw_event_work
, work
);
7108 _mpt3sas_fw_work(fw_event
->ioc
, fw_event
);
7112 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
7113 * @ioc: per adapter object
7114 * @msix_index: MSIX table index supplied by the OS
7115 * @reply: reply message frame(lower 32bit addr)
7116 * Context: interrupt.
7118 * This function merely adds a new work task into ioc->firmware_event_thread.
7119 * The tasks are worked from _firmware_event_work in user context.
7121 * Return 1 meaning mf should be freed from _base_interrupt
7122 * 0 means the mf is freed from this function.
7125 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER
*ioc
, u8 msix_index
,
7128 struct fw_event_work
*fw_event
;
7129 Mpi2EventNotificationReply_t
*mpi_reply
;
7133 /* events turned off due to host reset or driver unloading */
7134 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
7137 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
7139 if (unlikely(!mpi_reply
)) {
7140 pr_err(MPT3SAS_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
7141 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7145 event
= le16_to_cpu(mpi_reply
->Event
);
7147 if (event
!= MPI2_EVENT_LOG_ENTRY_ADDED
)
7148 mpt3sas_trigger_event(ioc
, event
, 0);
7152 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7154 Mpi2EventDataSasBroadcastPrimitive_t
*baen_data
=
7155 (Mpi2EventDataSasBroadcastPrimitive_t
*)
7156 mpi_reply
->EventData
;
7158 if (baen_data
->Primitive
!=
7159 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT
)
7162 if (ioc
->broadcast_aen_busy
) {
7163 ioc
->broadcast_aen_pending
++;
7166 ioc
->broadcast_aen_busy
= 1;
7170 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7171 _scsih_check_topo_delete_events(ioc
,
7172 (Mpi2EventDataSasTopologyChangeList_t
*)
7173 mpi_reply
->EventData
);
7175 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7176 _scsih_check_ir_config_unhide_events(ioc
,
7177 (Mpi2EventDataIrConfigChangeList_t
*)
7178 mpi_reply
->EventData
);
7180 case MPI2_EVENT_IR_VOLUME
:
7181 _scsih_check_volume_delete_events(ioc
,
7182 (Mpi2EventDataIrVolume_t
*)
7183 mpi_reply
->EventData
);
7186 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7187 case MPI2_EVENT_IR_OPERATION_STATUS
:
7188 case MPI2_EVENT_SAS_DISCOVERY
:
7189 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7190 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7193 default: /* ignore the rest */
7197 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
7199 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7200 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7203 sz
= le16_to_cpu(mpi_reply
->EventDataLength
) * 4;
7204 fw_event
->event_data
= kzalloc(sz
, GFP_ATOMIC
);
7205 if (!fw_event
->event_data
) {
7206 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7207 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7212 memcpy(fw_event
->event_data
, mpi_reply
->EventData
, sz
);
7213 fw_event
->ioc
= ioc
;
7214 fw_event
->VF_ID
= mpi_reply
->VF_ID
;
7215 fw_event
->VP_ID
= mpi_reply
->VP_ID
;
7216 fw_event
->event
= event
;
7217 _scsih_fw_event_add(ioc
, fw_event
);
7221 /* shost template */
7222 static struct scsi_host_template scsih_driver_template
= {
7223 .module
= THIS_MODULE
,
7224 .name
= "Fusion MPT SAS Host",
7225 .proc_name
= MPT3SAS_DRIVER_NAME
,
7226 .queuecommand
= _scsih_qcmd
,
7227 .target_alloc
= _scsih_target_alloc
,
7228 .slave_alloc
= _scsih_slave_alloc
,
7229 .slave_configure
= _scsih_slave_configure
,
7230 .target_destroy
= _scsih_target_destroy
,
7231 .slave_destroy
= _scsih_slave_destroy
,
7232 .scan_finished
= _scsih_scan_finished
,
7233 .scan_start
= _scsih_scan_start
,
7234 .change_queue_depth
= _scsih_change_queue_depth
,
7235 .change_queue_type
= _scsih_change_queue_type
,
7236 .eh_abort_handler
= _scsih_abort
,
7237 .eh_device_reset_handler
= _scsih_dev_reset
,
7238 .eh_target_reset_handler
= _scsih_target_reset
,
7239 .eh_host_reset_handler
= _scsih_host_reset
,
7240 .bios_param
= _scsih_bios_param
,
7243 .sg_tablesize
= MPT3SAS_SG_DEPTH
,
7244 .max_sectors
= 32767,
7246 .use_clustering
= ENABLE_CLUSTERING
,
7247 .shost_attrs
= mpt3sas_host_attrs
,
7248 .sdev_attrs
= mpt3sas_dev_attrs
,
7252 * _scsih_expander_node_remove - removing expander device from list.
7253 * @ioc: per adapter object
7254 * @sas_expander: the sas_device object
7255 * Context: Calling function should acquire ioc->sas_node_lock.
7257 * Removing object and freeing associated memory from the
7258 * ioc->sas_expander_list.
7263 _scsih_expander_node_remove(struct MPT3SAS_ADAPTER
*ioc
,
7264 struct _sas_node
*sas_expander
)
7266 struct _sas_port
*mpt3sas_port
, *next
;
7268 /* remove sibling ports attached to this expander */
7269 list_for_each_entry_safe(mpt3sas_port
, next
,
7270 &sas_expander
->sas_port_list
, port_list
) {
7271 if (ioc
->shost_recovery
)
7273 if (mpt3sas_port
->remote_identify
.device_type
==
7275 mpt3sas_device_remove_by_sas_address(ioc
,
7276 mpt3sas_port
->remote_identify
.sas_address
);
7277 else if (mpt3sas_port
->remote_identify
.device_type
==
7278 SAS_EDGE_EXPANDER_DEVICE
||
7279 mpt3sas_port
->remote_identify
.device_type
==
7280 SAS_FANOUT_EXPANDER_DEVICE
)
7281 mpt3sas_expander_remove(ioc
,
7282 mpt3sas_port
->remote_identify
.sas_address
);
7285 mpt3sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
7286 sas_expander
->sas_address_parent
);
7289 "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
7291 sas_expander
->handle
, (unsigned long long)
7292 sas_expander
->sas_address
);
7294 kfree(sas_expander
->phy
);
7295 kfree(sas_expander
);
7299 * _scsih_ir_shutdown - IR shutdown notification
7300 * @ioc: per adapter object
7302 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
7303 * the host system is shutting down.
7308 _scsih_ir_shutdown(struct MPT3SAS_ADAPTER
*ioc
)
7310 Mpi2RaidActionRequest_t
*mpi_request
;
7311 Mpi2RaidActionReply_t
*mpi_reply
;
7314 /* is IR firmware build loaded ? */
7315 if (!ioc
->ir_firmware
)
7318 /* are there any volumes ? */
7319 if (list_empty(&ioc
->raid_device_list
))
7322 mutex_lock(&ioc
->scsih_cmds
.mutex
);
7324 if (ioc
->scsih_cmds
.status
!= MPT3_CMD_NOT_USED
) {
7325 pr_err(MPT3SAS_FMT
"%s: scsih_cmd in use\n",
7326 ioc
->name
, __func__
);
7329 ioc
->scsih_cmds
.status
= MPT3_CMD_PENDING
;
7331 smid
= mpt3sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
7333 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
7334 ioc
->name
, __func__
);
7335 ioc
->scsih_cmds
.status
= MPT3_CMD_NOT_USED
;
7339 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
7340 ioc
->scsih_cmds
.smid
= smid
;
7341 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
7343 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
7344 mpi_request
->Action
= MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED
;
7346 pr_info(MPT3SAS_FMT
"IR shutdown (sending)\n", ioc
->name
);
7347 init_completion(&ioc
->scsih_cmds
.done
);
7348 mpt3sas_base_put_smid_default(ioc
, smid
);
7349 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
7351 if (!(ioc
->scsih_cmds
.status
& MPT3_CMD_COMPLETE
)) {
7352 pr_err(MPT3SAS_FMT
"%s: timeout\n",
7353 ioc
->name
, __func__
);
7357 if (ioc
->scsih_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
7358 mpi_reply
= ioc
->scsih_cmds
.reply
;
7360 "IR shutdown (complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
7361 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
7362 le32_to_cpu(mpi_reply
->IOCLogInfo
));
7366 ioc
->scsih_cmds
.status
= MPT3_CMD_NOT_USED
;
7367 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
7371 * _scsih_remove - detach and remove add host
7372 * @pdev: PCI device struct
7374 * Routine called when unloading the driver.
7377 static void _scsih_remove(struct pci_dev
*pdev
)
7379 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7380 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7381 struct _sas_port
*mpt3sas_port
, *next_port
;
7382 struct _raid_device
*raid_device
, *next
;
7383 struct MPT3SAS_TARGET
*sas_target_priv_data
;
7384 struct workqueue_struct
*wq
;
7385 unsigned long flags
;
7387 ioc
->remove_host
= 1;
7388 _scsih_fw_event_cleanup_queue(ioc
);
7390 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
7391 wq
= ioc
->firmware_event_thread
;
7392 ioc
->firmware_event_thread
= NULL
;
7393 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
7395 destroy_workqueue(wq
);
7397 /* release all the volumes */
7398 _scsih_ir_shutdown(ioc
);
7399 list_for_each_entry_safe(raid_device
, next
, &ioc
->raid_device_list
,
7401 if (raid_device
->starget
) {
7402 sas_target_priv_data
=
7403 raid_device
->starget
->hostdata
;
7404 sas_target_priv_data
->deleted
= 1;
7405 scsi_remove_target(&raid_device
->starget
->dev
);
7407 pr_info(MPT3SAS_FMT
"removing handle(0x%04x), wwid(0x%016llx)\n",
7408 ioc
->name
, raid_device
->handle
,
7409 (unsigned long long) raid_device
->wwid
);
7410 _scsih_raid_device_remove(ioc
, raid_device
);
7413 /* free ports attached to the sas_host */
7414 list_for_each_entry_safe(mpt3sas_port
, next_port
,
7415 &ioc
->sas_hba
.sas_port_list
, port_list
) {
7416 if (mpt3sas_port
->remote_identify
.device_type
==
7418 mpt3sas_device_remove_by_sas_address(ioc
,
7419 mpt3sas_port
->remote_identify
.sas_address
);
7420 else if (mpt3sas_port
->remote_identify
.device_type
==
7421 SAS_EDGE_EXPANDER_DEVICE
||
7422 mpt3sas_port
->remote_identify
.device_type
==
7423 SAS_FANOUT_EXPANDER_DEVICE
)
7424 mpt3sas_expander_remove(ioc
,
7425 mpt3sas_port
->remote_identify
.sas_address
);
7428 /* free phys attached to the sas_host */
7429 if (ioc
->sas_hba
.num_phys
) {
7430 kfree(ioc
->sas_hba
.phy
);
7431 ioc
->sas_hba
.phy
= NULL
;
7432 ioc
->sas_hba
.num_phys
= 0;
7435 sas_remove_host(shost
);
7436 mpt3sas_base_detach(ioc
);
7437 list_del(&ioc
->list
);
7438 scsi_remove_host(shost
);
7439 scsi_host_put(shost
);
7443 * _scsih_shutdown - routine call during system shutdown
7444 * @pdev: PCI device struct
7449 _scsih_shutdown(struct pci_dev
*pdev
)
7451 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7452 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7453 struct workqueue_struct
*wq
;
7454 unsigned long flags
;
7456 ioc
->remove_host
= 1;
7457 _scsih_fw_event_cleanup_queue(ioc
);
7459 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
7460 wq
= ioc
->firmware_event_thread
;
7461 ioc
->firmware_event_thread
= NULL
;
7462 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
7464 destroy_workqueue(wq
);
7466 _scsih_ir_shutdown(ioc
);
7467 mpt3sas_base_detach(ioc
);
7472 * _scsih_probe_boot_devices - reports 1st device
7473 * @ioc: per adapter object
7475 * If specified in bios page 2, this routine reports the 1st
7476 * device scsi-ml or sas transport for persistent boot device
7477 * purposes. Please refer to function _scsih_determine_boot_device()
7480 _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER
*ioc
)
7484 struct _sas_device
*sas_device
;
7485 struct _raid_device
*raid_device
;
7487 u64 sas_address_parent
;
7489 unsigned long flags
;
7492 /* no Bios, return immediately */
7493 if (!ioc
->bios_pg3
.BiosVersion
)
7498 if (ioc
->req_boot_device
.device
) {
7499 device
= ioc
->req_boot_device
.device
;
7500 is_raid
= ioc
->req_boot_device
.is_raid
;
7501 } else if (ioc
->req_alt_boot_device
.device
) {
7502 device
= ioc
->req_alt_boot_device
.device
;
7503 is_raid
= ioc
->req_alt_boot_device
.is_raid
;
7504 } else if (ioc
->current_boot_device
.device
) {
7505 device
= ioc
->current_boot_device
.device
;
7506 is_raid
= ioc
->current_boot_device
.is_raid
;
7513 raid_device
= device
;
7514 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
7515 raid_device
->id
, 0);
7517 _scsih_raid_device_remove(ioc
, raid_device
);
7519 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7520 sas_device
= device
;
7521 handle
= sas_device
->handle
;
7522 sas_address_parent
= sas_device
->sas_address_parent
;
7523 sas_address
= sas_device
->sas_address
;
7524 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
7525 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7527 if (!mpt3sas_transport_port_add(ioc
, handle
,
7528 sas_address_parent
)) {
7529 _scsih_sas_device_remove(ioc
, sas_device
);
7530 } else if (!sas_device
->starget
) {
7531 if (!ioc
->is_driver_loading
)
7532 mpt3sas_transport_port_remove(ioc
, sas_address
,
7533 sas_address_parent
);
7534 _scsih_sas_device_remove(ioc
, sas_device
);
7540 * _scsih_probe_raid - reporting raid volumes to scsi-ml
7541 * @ioc: per adapter object
7543 * Called during initial loading of the driver.
7546 _scsih_probe_raid(struct MPT3SAS_ADAPTER
*ioc
)
7548 struct _raid_device
*raid_device
, *raid_next
;
7551 list_for_each_entry_safe(raid_device
, raid_next
,
7552 &ioc
->raid_device_list
, list
) {
7553 if (raid_device
->starget
)
7555 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
7556 raid_device
->id
, 0);
7558 _scsih_raid_device_remove(ioc
, raid_device
);
7563 * _scsih_probe_sas - reporting sas devices to sas transport
7564 * @ioc: per adapter object
7566 * Called during initial loading of the driver.
7569 _scsih_probe_sas(struct MPT3SAS_ADAPTER
*ioc
)
7571 struct _sas_device
*sas_device
, *next
;
7572 unsigned long flags
;
7574 /* SAS Device List */
7575 list_for_each_entry_safe(sas_device
, next
, &ioc
->sas_device_init_list
,
7578 if (!mpt3sas_transport_port_add(ioc
, sas_device
->handle
,
7579 sas_device
->sas_address_parent
)) {
7580 list_del(&sas_device
->list
);
7583 } else if (!sas_device
->starget
) {
7585 * When asyn scanning is enabled, its not possible to
7586 * remove devices while scanning is turned on due to an
7587 * oops in scsi_sysfs_add_sdev()->add_device()->
7588 * sysfs_addrm_start()
7590 if (!ioc
->is_driver_loading
)
7591 mpt3sas_transport_port_remove(ioc
,
7592 sas_device
->sas_address
,
7593 sas_device
->sas_address_parent
);
7594 list_del(&sas_device
->list
);
7599 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7600 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
7601 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7606 * _scsih_probe_devices - probing for devices
7607 * @ioc: per adapter object
7609 * Called during initial loading of the driver.
7612 _scsih_probe_devices(struct MPT3SAS_ADAPTER
*ioc
)
7614 u16 volume_mapping_flags
;
7616 if (!(ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR
))
7617 return; /* return when IOC doesn't support initiator mode */
7619 _scsih_probe_boot_devices(ioc
);
7621 if (ioc
->ir_firmware
) {
7622 volume_mapping_flags
=
7623 le16_to_cpu(ioc
->ioc_pg8
.IRVolumeMappingFlags
) &
7624 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE
;
7625 if (volume_mapping_flags
==
7626 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING
) {
7627 _scsih_probe_raid(ioc
);
7628 _scsih_probe_sas(ioc
);
7630 _scsih_probe_sas(ioc
);
7631 _scsih_probe_raid(ioc
);
7634 _scsih_probe_sas(ioc
);
7638 * _scsih_scan_start - scsi lld callback for .scan_start
7639 * @shost: SCSI host pointer
7641 * The shost has the ability to discover targets on its own instead
7642 * of scanning the entire bus. In our implemention, we will kick off
7643 * firmware discovery.
7646 _scsih_scan_start(struct Scsi_Host
*shost
)
7648 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7650 if (diag_buffer_enable
!= -1 && diag_buffer_enable
!= 0)
7651 mpt3sas_enable_diag_buffer(ioc
, diag_buffer_enable
);
7653 if (disable_discovery
> 0)
7656 ioc
->start_scan
= 1;
7657 rc
= mpt3sas_port_enable(ioc
);
7660 pr_info(MPT3SAS_FMT
"port enable: FAILED\n", ioc
->name
);
7664 * _scsih_scan_finished - scsi lld callback for .scan_finished
7665 * @shost: SCSI host pointer
7666 * @time: elapsed time of the scan in jiffies
7668 * This function will be called periodicallyn until it returns 1 with the
7669 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
7670 * we wait for firmware discovery to complete, then return 1.
7673 _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
7675 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7677 if (disable_discovery
> 0) {
7678 ioc
->is_driver_loading
= 0;
7679 ioc
->wait_for_discovery_to_complete
= 0;
7683 if (time
>= (300 * HZ
)) {
7684 ioc
->base_cmds
.status
= MPT3_CMD_NOT_USED
;
7686 "port enable: FAILED with timeout (timeout=300s)\n",
7688 ioc
->is_driver_loading
= 0;
7692 if (ioc
->start_scan
)
7695 if (ioc
->start_scan_failed
) {
7697 "port enable: FAILED with (ioc_status=0x%08x)\n",
7698 ioc
->name
, ioc
->start_scan_failed
);
7699 ioc
->is_driver_loading
= 0;
7700 ioc
->wait_for_discovery_to_complete
= 0;
7701 ioc
->remove_host
= 1;
7705 pr_info(MPT3SAS_FMT
"port enable: SUCCESS\n", ioc
->name
);
7706 ioc
->base_cmds
.status
= MPT3_CMD_NOT_USED
;
7708 if (ioc
->wait_for_discovery_to_complete
) {
7709 ioc
->wait_for_discovery_to_complete
= 0;
7710 _scsih_probe_devices(ioc
);
7712 mpt3sas_base_start_watchdog(ioc
);
7713 ioc
->is_driver_loading
= 0;
7718 * _scsih_probe - attach and add scsi host
7719 * @pdev: PCI device struct
7720 * @id: pci device id
7722 * Returns 0 success, anything else error.
7725 _scsih_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
7727 struct MPT3SAS_ADAPTER
*ioc
;
7728 struct Scsi_Host
*shost
;
7730 shost
= scsi_host_alloc(&scsih_driver_template
,
7731 sizeof(struct MPT3SAS_ADAPTER
));
7735 /* init local params */
7736 ioc
= shost_priv(shost
);
7737 memset(ioc
, 0, sizeof(struct MPT3SAS_ADAPTER
));
7738 INIT_LIST_HEAD(&ioc
->list
);
7739 list_add_tail(&ioc
->list
, &mpt3sas_ioc_list
);
7741 ioc
->id
= mpt_ids
++;
7742 sprintf(ioc
->name
, "%s%d", MPT3SAS_DRIVER_NAME
, ioc
->id
);
7744 ioc
->scsi_io_cb_idx
= scsi_io_cb_idx
;
7745 ioc
->tm_cb_idx
= tm_cb_idx
;
7746 ioc
->ctl_cb_idx
= ctl_cb_idx
;
7747 ioc
->base_cb_idx
= base_cb_idx
;
7748 ioc
->port_enable_cb_idx
= port_enable_cb_idx
;
7749 ioc
->transport_cb_idx
= transport_cb_idx
;
7750 ioc
->scsih_cb_idx
= scsih_cb_idx
;
7751 ioc
->config_cb_idx
= config_cb_idx
;
7752 ioc
->tm_tr_cb_idx
= tm_tr_cb_idx
;
7753 ioc
->tm_tr_volume_cb_idx
= tm_tr_volume_cb_idx
;
7754 ioc
->tm_sas_control_cb_idx
= tm_sas_control_cb_idx
;
7755 ioc
->logging_level
= logging_level
;
7756 ioc
->schedule_dead_ioc_flush_running_cmds
= &_scsih_flush_running_cmds
;
7757 /* misc semaphores and spin locks */
7758 mutex_init(&ioc
->reset_in_progress_mutex
);
7759 spin_lock_init(&ioc
->ioc_reset_in_progress_lock
);
7760 spin_lock_init(&ioc
->scsi_lookup_lock
);
7761 spin_lock_init(&ioc
->sas_device_lock
);
7762 spin_lock_init(&ioc
->sas_node_lock
);
7763 spin_lock_init(&ioc
->fw_event_lock
);
7764 spin_lock_init(&ioc
->raid_device_lock
);
7765 spin_lock_init(&ioc
->diag_trigger_lock
);
7767 INIT_LIST_HEAD(&ioc
->sas_device_list
);
7768 INIT_LIST_HEAD(&ioc
->sas_device_init_list
);
7769 INIT_LIST_HEAD(&ioc
->sas_expander_list
);
7770 INIT_LIST_HEAD(&ioc
->fw_event_list
);
7771 INIT_LIST_HEAD(&ioc
->raid_device_list
);
7772 INIT_LIST_HEAD(&ioc
->sas_hba
.sas_port_list
);
7773 INIT_LIST_HEAD(&ioc
->delayed_tr_list
);
7774 INIT_LIST_HEAD(&ioc
->delayed_tr_volume_list
);
7776 /* init shost parameters */
7777 shost
->max_cmd_len
= 32;
7778 shost
->max_lun
= max_lun
;
7779 shost
->transportt
= mpt3sas_transport_template
;
7780 shost
->unique_id
= ioc
->id
;
7782 if (max_sectors
!= 0xFFFF) {
7783 if (max_sectors
< 64) {
7784 shost
->max_sectors
= 64;
7785 pr_warn(MPT3SAS_FMT
"Invalid value %d passed " \
7786 "for max_sectors, range is 64 to 32767. Assigning "
7787 "value of 64.\n", ioc
->name
, max_sectors
);
7788 } else if (max_sectors
> 32767) {
7789 shost
->max_sectors
= 32767;
7790 pr_warn(MPT3SAS_FMT
"Invalid value %d passed " \
7791 "for max_sectors, range is 64 to 32767. Assigning "
7792 "default value of 32767.\n", ioc
->name
,
7795 shost
->max_sectors
= max_sectors
& 0xFFFE;
7797 "The max_sectors value is set to %d\n",
7798 ioc
->name
, shost
->max_sectors
);
7802 if ((scsi_add_host(shost
, &pdev
->dev
))) {
7803 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7804 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7805 list_del(&ioc
->list
);
7806 goto out_add_shost_fail
;
7809 /* register EEDP capabilities with SCSI layer */
7811 scsi_host_set_prot(shost
, prot_mask
);
7813 scsi_host_set_prot(shost
, SHOST_DIF_TYPE1_PROTECTION
7814 | SHOST_DIF_TYPE2_PROTECTION
7815 | SHOST_DIF_TYPE3_PROTECTION
);
7817 scsi_host_set_guard(shost
, SHOST_DIX_GUARD_CRC
);
7820 snprintf(ioc
->firmware_event_name
, sizeof(ioc
->firmware_event_name
),
7821 "fw_event%d", ioc
->id
);
7822 ioc
->firmware_event_thread
= create_singlethread_workqueue(
7823 ioc
->firmware_event_name
);
7824 if (!ioc
->firmware_event_thread
) {
7825 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7826 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7827 goto out_thread_fail
;
7830 ioc
->is_driver_loading
= 1;
7831 if ((mpt3sas_base_attach(ioc
))) {
7832 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7833 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7834 goto out_attach_fail
;
7836 scsi_scan_host(shost
);
7840 destroy_workqueue(ioc
->firmware_event_thread
);
7842 list_del(&ioc
->list
);
7843 scsi_remove_host(shost
);
7845 scsi_host_put(shost
);
7851 * _scsih_suspend - power management suspend main entry point
7852 * @pdev: PCI device struct
7853 * @state: PM state change to (usually PCI_D3)
7855 * Returns 0 success, anything else error.
7858 _scsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
7860 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7861 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7862 pci_power_t device_state
;
7864 mpt3sas_base_stop_watchdog(ioc
);
7865 flush_scheduled_work();
7866 scsi_block_requests(shost
);
7867 device_state
= pci_choose_state(pdev
, state
);
7869 "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
7870 ioc
->name
, pdev
, pci_name(pdev
), device_state
);
7872 pci_save_state(pdev
);
7873 mpt3sas_base_free_resources(ioc
);
7874 pci_set_power_state(pdev
, device_state
);
7879 * _scsih_resume - power management resume main entry point
7880 * @pdev: PCI device struct
7882 * Returns 0 success, anything else error.
7885 _scsih_resume(struct pci_dev
*pdev
)
7887 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7888 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7889 pci_power_t device_state
= pdev
->current_state
;
7893 "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
7894 ioc
->name
, pdev
, pci_name(pdev
), device_state
);
7896 pci_set_power_state(pdev
, PCI_D0
);
7897 pci_enable_wake(pdev
, PCI_D0
, 0);
7898 pci_restore_state(pdev
);
7900 r
= mpt3sas_base_map_resources(ioc
);
7904 mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
, SOFT_RESET
);
7905 scsi_unblock_requests(shost
);
7906 mpt3sas_base_start_watchdog(ioc
);
7909 #endif /* CONFIG_PM */
7912 * _scsih_pci_error_detected - Called when a PCI error is detected.
7913 * @pdev: PCI device struct
7914 * @state: PCI channel state
7916 * Description: Called when a PCI error is detected.
7919 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
7921 static pci_ers_result_t
7922 _scsih_pci_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
7924 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7925 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7927 pr_info(MPT3SAS_FMT
"PCI error: detected callback, state(%d)!!\n",
7931 case pci_channel_io_normal
:
7932 return PCI_ERS_RESULT_CAN_RECOVER
;
7933 case pci_channel_io_frozen
:
7934 /* Fatal error, prepare for slot reset */
7935 ioc
->pci_error_recovery
= 1;
7936 scsi_block_requests(ioc
->shost
);
7937 mpt3sas_base_stop_watchdog(ioc
);
7938 mpt3sas_base_free_resources(ioc
);
7939 return PCI_ERS_RESULT_NEED_RESET
;
7940 case pci_channel_io_perm_failure
:
7941 /* Permanent error, prepare for device removal */
7942 ioc
->pci_error_recovery
= 1;
7943 mpt3sas_base_stop_watchdog(ioc
);
7944 _scsih_flush_running_cmds(ioc
);
7945 return PCI_ERS_RESULT_DISCONNECT
;
7947 return PCI_ERS_RESULT_NEED_RESET
;
7951 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
7952 * @pdev: PCI device struct
7954 * Description: This routine is called by the pci error recovery
7955 * code after the PCI slot has been reset, just before we
7956 * should resume normal operations.
7958 static pci_ers_result_t
7959 _scsih_pci_slot_reset(struct pci_dev
*pdev
)
7961 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7962 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7965 pr_info(MPT3SAS_FMT
"PCI error: slot reset callback!!\n",
7968 ioc
->pci_error_recovery
= 0;
7970 pci_restore_state(pdev
);
7971 rc
= mpt3sas_base_map_resources(ioc
);
7973 return PCI_ERS_RESULT_DISCONNECT
;
7975 rc
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
7978 pr_warn(MPT3SAS_FMT
"hard reset: %s\n", ioc
->name
,
7979 (rc
== 0) ? "success" : "failed");
7982 return PCI_ERS_RESULT_RECOVERED
;
7984 return PCI_ERS_RESULT_DISCONNECT
;
7988 * _scsih_pci_resume() - resume normal ops after PCI reset
7989 * @pdev: pointer to PCI device
7991 * Called when the error recovery driver tells us that its
7992 * OK to resume normal operation. Use completion to allow
7993 * halted scsi ops to resume.
7996 _scsih_pci_resume(struct pci_dev
*pdev
)
7998 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7999 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
8001 pr_info(MPT3SAS_FMT
"PCI error: resume callback!!\n", ioc
->name
);
8003 pci_cleanup_aer_uncorrect_error_status(pdev
);
8004 mpt3sas_base_start_watchdog(ioc
);
8005 scsi_unblock_requests(ioc
->shost
);
8009 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
8010 * @pdev: pointer to PCI device
8012 static pci_ers_result_t
8013 _scsih_pci_mmio_enabled(struct pci_dev
*pdev
)
8015 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8016 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
8018 pr_info(MPT3SAS_FMT
"PCI error: mmio enabled callback!!\n",
8021 /* TODO - dump whatever for debugging purposes */
8023 /* Request a slot reset. */
8024 return PCI_ERS_RESULT_NEED_RESET
;
8027 /* raid transport support */
8028 static struct raid_function_template mpt3sas_raid_functions
= {
8029 .cookie
= &scsih_driver_template
,
8030 .is_raid
= _scsih_is_raid
,
8031 .get_resync
= _scsih_get_resync
,
8032 .get_state
= _scsih_get_state
,
8035 static struct pci_error_handlers _scsih_err_handler
= {
8036 .error_detected
= _scsih_pci_error_detected
,
8037 .mmio_enabled
= _scsih_pci_mmio_enabled
,
8038 .slot_reset
= _scsih_pci_slot_reset
,
8039 .resume
= _scsih_pci_resume
,
8042 static struct pci_driver scsih_driver
= {
8043 .name
= MPT3SAS_DRIVER_NAME
,
8044 .id_table
= scsih_pci_table
,
8045 .probe
= _scsih_probe
,
8046 .remove
= _scsih_remove
,
8047 .shutdown
= _scsih_shutdown
,
8048 .err_handler
= &_scsih_err_handler
,
8050 .suspend
= _scsih_suspend
,
8051 .resume
= _scsih_resume
,
8057 * _scsih_init - main entry point for this driver.
8059 * Returns 0 success, anything else error.
8068 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME
,
8069 MPT3SAS_DRIVER_VERSION
);
8071 mpt3sas_transport_template
=
8072 sas_attach_transport(&mpt3sas_transport_functions
);
8073 if (!mpt3sas_transport_template
)
8076 /* raid transport support */
8077 mpt3sas_raid_template
= raid_class_attach(&mpt3sas_raid_functions
);
8078 if (!mpt3sas_raid_template
) {
8079 sas_release_transport(mpt3sas_transport_template
);
8083 mpt3sas_base_initialize_callback_handler();
8085 /* queuecommand callback hander */
8086 scsi_io_cb_idx
= mpt3sas_base_register_callback_handler(_scsih_io_done
);
8088 /* task managment callback handler */
8089 tm_cb_idx
= mpt3sas_base_register_callback_handler(_scsih_tm_done
);
8091 /* base internal commands callback handler */
8092 base_cb_idx
= mpt3sas_base_register_callback_handler(mpt3sas_base_done
);
8093 port_enable_cb_idx
= mpt3sas_base_register_callback_handler(
8094 mpt3sas_port_enable_done
);
8096 /* transport internal commands callback handler */
8097 transport_cb_idx
= mpt3sas_base_register_callback_handler(
8098 mpt3sas_transport_done
);
8100 /* scsih internal commands callback handler */
8101 scsih_cb_idx
= mpt3sas_base_register_callback_handler(_scsih_done
);
8103 /* configuration page API internal commands callback handler */
8104 config_cb_idx
= mpt3sas_base_register_callback_handler(
8105 mpt3sas_config_done
);
8107 /* ctl module callback handler */
8108 ctl_cb_idx
= mpt3sas_base_register_callback_handler(mpt3sas_ctl_done
);
8110 tm_tr_cb_idx
= mpt3sas_base_register_callback_handler(
8111 _scsih_tm_tr_complete
);
8113 tm_tr_volume_cb_idx
= mpt3sas_base_register_callback_handler(
8114 _scsih_tm_volume_tr_complete
);
8116 tm_sas_control_cb_idx
= mpt3sas_base_register_callback_handler(
8117 _scsih_sas_control_complete
);
8121 error
= pci_register_driver(&scsih_driver
);
8123 /* raid transport support */
8124 raid_class_release(mpt3sas_raid_template
);
8125 sas_release_transport(mpt3sas_transport_template
);
8132 * _scsih_exit - exit point for this driver (when it is a module).
8134 * Returns 0 success, anything else error.
8139 pr_info("mpt3sas version %s unloading\n",
8140 MPT3SAS_DRIVER_VERSION
);
8144 pci_unregister_driver(&scsih_driver
);
8147 mpt3sas_base_release_callback_handler(scsi_io_cb_idx
);
8148 mpt3sas_base_release_callback_handler(tm_cb_idx
);
8149 mpt3sas_base_release_callback_handler(base_cb_idx
);
8150 mpt3sas_base_release_callback_handler(port_enable_cb_idx
);
8151 mpt3sas_base_release_callback_handler(transport_cb_idx
);
8152 mpt3sas_base_release_callback_handler(scsih_cb_idx
);
8153 mpt3sas_base_release_callback_handler(config_cb_idx
);
8154 mpt3sas_base_release_callback_handler(ctl_cb_idx
);
8156 mpt3sas_base_release_callback_handler(tm_tr_cb_idx
);
8157 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx
);
8158 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx
);
8160 /* raid transport support */
8161 raid_class_release(mpt3sas_raid_template
);
8162 sas_release_transport(mpt3sas_transport_template
);
8165 module_init(_scsih_init
);
8166 module_exit(_scsih_exit
);