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) 2012-2013 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
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31 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
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35 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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44 #include <linux/module.h>
45 #include <linux/kernel.h>
46 #include <linux/init.h>
47 #include <linux/errno.h>
48 #include <linux/blkdev.h>
49 #include <linux/sched.h>
50 #include <linux/workqueue.h>
51 #include <linux/delay.h>
52 #include <linux/pci.h>
53 #include <linux/interrupt.h>
54 #include <linux/aer.h>
55 #include <linux/raid_class.h>
57 #include "mpt3sas_base.h"
59 MODULE_AUTHOR(MPT3SAS_AUTHOR
);
60 MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION
);
61 MODULE_LICENSE("GPL");
62 MODULE_VERSION(MPT3SAS_DRIVER_VERSION
);
64 #define RAID_CHANNEL 1
66 static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER
*ioc
,
67 struct _sas_node
*sas_expander
);
68 static void _firmware_event_work(struct work_struct
*work
);
70 static void _scsih_remove_device(struct MPT3SAS_ADAPTER
*ioc
,
71 struct _sas_device
*sas_device
);
72 static int _scsih_add_device(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
,
73 u8 retry_count
, u8 is_pd
);
75 static u8
_scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
);
77 static void _scsih_scan_start(struct Scsi_Host
*shost
);
78 static int _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
);
80 /* global parameters */
81 LIST_HEAD(mpt3sas_ioc_list
);
83 /* local parameters */
84 static u8 scsi_io_cb_idx
= -1;
85 static u8 tm_cb_idx
= -1;
86 static u8 ctl_cb_idx
= -1;
87 static u8 base_cb_idx
= -1;
88 static u8 port_enable_cb_idx
= -1;
89 static u8 transport_cb_idx
= -1;
90 static u8 scsih_cb_idx
= -1;
91 static u8 config_cb_idx
= -1;
94 static u8 tm_tr_cb_idx
= -1 ;
95 static u8 tm_tr_volume_cb_idx
= -1 ;
96 static u8 tm_sas_control_cb_idx
= -1;
98 /* command line options */
99 static u32 logging_level
;
100 MODULE_PARM_DESC(logging_level
,
101 " bits for enabling additional logging info (default=0)");
104 static ushort max_sectors
= 0xFFFF;
105 module_param(max_sectors
, ushort
, 0);
106 MODULE_PARM_DESC(max_sectors
, "max sectors, range 64 to 32767 default=32767");
109 static int missing_delay
[2] = {-1, -1};
110 module_param_array(missing_delay
, int, NULL
, 0);
111 MODULE_PARM_DESC(missing_delay
, " device missing delay , io missing delay");
113 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
114 #define MPT3SAS_MAX_LUN (16895)
115 static u64 max_lun
= MPT3SAS_MAX_LUN
;
116 module_param(max_lun
, ullong
, 0);
117 MODULE_PARM_DESC(max_lun
, " max lun, default=16895 ");
122 /* diag_buffer_enable is bitwise
124 * bit 1 set = SNAPSHOT
125 * bit 2 set = EXTENDED
127 * Either bit can be set, or both
129 static int diag_buffer_enable
= -1;
130 module_param(diag_buffer_enable
, int, 0);
131 MODULE_PARM_DESC(diag_buffer_enable
,
132 " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
133 static int disable_discovery
= -1;
134 module_param(disable_discovery
, int, 0);
135 MODULE_PARM_DESC(disable_discovery
, " disable discovery ");
138 /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
139 static int prot_mask
= -1;
140 module_param(prot_mask
, int, 0);
141 MODULE_PARM_DESC(prot_mask
, " host protection capabilities mask, def=7 ");
144 /* raid transport support */
146 static struct raid_template
*mpt3sas_raid_template
;
150 * struct sense_info - common structure for obtaining sense keys
152 * @asc: additional sense code
153 * @ascq: additional sense code qualifier
161 #define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB)
162 #define MPT3SAS_TURN_ON_FAULT_LED (0xFFFC)
163 #define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
164 #define MPT3SAS_ABRT_TASK_SET (0xFFFE)
165 #define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
167 * struct fw_event_work - firmware event struct
168 * @list: link list framework
169 * @work: work object (ioc->fault_reset_work_q)
170 * @cancel_pending_work: flag set during reset handling
171 * @ioc: per adapter object
172 * @device_handle: device handle
173 * @VF_ID: virtual function id
174 * @VP_ID: virtual port id
175 * @ignore: flag meaning this event has been marked to ignore
176 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
177 * @event_data: reply event data payload follows
179 * This object stored on ioc->fw_event_list.
181 struct fw_event_work
{
182 struct list_head list
;
183 struct work_struct work
;
184 u8 cancel_pending_work
;
185 struct delayed_work delayed_work
;
187 struct MPT3SAS_ADAPTER
*ioc
;
193 char event_data
[0] __aligned(4);
196 /* raid transport support */
197 static struct raid_template
*mpt3sas_raid_template
;
200 * struct _scsi_io_transfer - scsi io transfer
201 * @handle: sas device handle (assigned by firmware)
202 * @is_raid: flag set for hidden raid components
203 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
204 * @data_length: data transfer length
205 * @data_dma: dma pointer to data
208 * @cdb_length: cdb length
210 * @timeout: timeout for this command
211 * @VF_ID: virtual function id
212 * @VP_ID: virtual port id
213 * @valid_reply: flag set for reply message
214 * @sense_length: sense length
215 * @ioc_status: ioc status
216 * @scsi_state: scsi state
217 * @scsi_status: scsi staus
218 * @log_info: log information
219 * @transfer_length: data length transfer when there is a reply message
221 * Used for sending internal scsi commands to devices within this module.
222 * Refer to _scsi_send_scsi_io().
224 struct _scsi_io_transfer
{
227 enum dma_data_direction dir
;
230 u8 sense
[SCSI_SENSE_BUFFERSIZE
];
238 /* the following bits are only valid when 'valid_reply = 1' */
248 * The pci device ids are defined in mpi/mpi2_cnfg.h.
250 static const struct pci_device_id scsih_pci_table
[] = {
251 /* Fury ~ 3004 and 3008 */
252 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3004
,
253 PCI_ANY_ID
, PCI_ANY_ID
},
254 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3008
,
255 PCI_ANY_ID
, PCI_ANY_ID
},
257 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3108_1
,
258 PCI_ANY_ID
, PCI_ANY_ID
},
259 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3108_2
,
260 PCI_ANY_ID
, PCI_ANY_ID
},
261 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3108_5
,
262 PCI_ANY_ID
, PCI_ANY_ID
},
263 { MPI2_MFGPAGE_VENDORID_LSI
, MPI25_MFGPAGE_DEVID_SAS3108_6
,
264 PCI_ANY_ID
, PCI_ANY_ID
},
265 {0} /* Terminating entry */
267 MODULE_DEVICE_TABLE(pci
, scsih_pci_table
);
270 * _scsih_set_debug_level - global setting of ioc->logging_level.
272 * Note: The logging levels are defined in mpt3sas_debug.h.
275 _scsih_set_debug_level(const char *val
, struct kernel_param
*kp
)
277 int ret
= param_set_int(val
, kp
);
278 struct MPT3SAS_ADAPTER
*ioc
;
283 pr_info("setting logging_level(0x%08x)\n", logging_level
);
284 list_for_each_entry(ioc
, &mpt3sas_ioc_list
, list
)
285 ioc
->logging_level
= logging_level
;
288 module_param_call(logging_level
, _scsih_set_debug_level
, param_get_int
,
289 &logging_level
, 0644);
292 * _scsih_srch_boot_sas_address - search based on sas_address
293 * @sas_address: sas address
294 * @boot_device: boot device object from bios page 2
296 * Returns 1 when there's a match, 0 means no match.
299 _scsih_srch_boot_sas_address(u64 sas_address
,
300 Mpi2BootDeviceSasWwid_t
*boot_device
)
302 return (sas_address
== le64_to_cpu(boot_device
->SASAddress
)) ? 1 : 0;
306 * _scsih_srch_boot_device_name - search based on device name
307 * @device_name: device name specified in INDENTIFY fram
308 * @boot_device: boot device object from bios page 2
310 * Returns 1 when there's a match, 0 means no match.
313 _scsih_srch_boot_device_name(u64 device_name
,
314 Mpi2BootDeviceDeviceName_t
*boot_device
)
316 return (device_name
== le64_to_cpu(boot_device
->DeviceName
)) ? 1 : 0;
320 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
321 * @enclosure_logical_id: enclosure logical id
322 * @slot_number: slot number
323 * @boot_device: boot device object from bios page 2
325 * Returns 1 when there's a match, 0 means no match.
328 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id
, u16 slot_number
,
329 Mpi2BootDeviceEnclosureSlot_t
*boot_device
)
331 return (enclosure_logical_id
== le64_to_cpu(boot_device
->
332 EnclosureLogicalID
) && slot_number
== le16_to_cpu(boot_device
->
333 SlotNumber
)) ? 1 : 0;
337 * _scsih_is_boot_device - search for matching boot device.
338 * @sas_address: sas address
339 * @device_name: device name specified in INDENTIFY fram
340 * @enclosure_logical_id: enclosure logical id
341 * @slot_number: slot number
342 * @form: specifies boot device form
343 * @boot_device: boot device object from bios page 2
345 * Returns 1 when there's a match, 0 means no match.
348 _scsih_is_boot_device(u64 sas_address
, u64 device_name
,
349 u64 enclosure_logical_id
, u16 slot
, u8 form
,
350 Mpi2BiosPage2BootDevice_t
*boot_device
)
355 case MPI2_BIOSPAGE2_FORM_SAS_WWID
:
358 rc
= _scsih_srch_boot_sas_address(
359 sas_address
, &boot_device
->SasWwid
);
361 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT
:
362 if (!enclosure_logical_id
)
364 rc
= _scsih_srch_boot_encl_slot(
365 enclosure_logical_id
,
366 slot
, &boot_device
->EnclosureSlot
);
368 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME
:
371 rc
= _scsih_srch_boot_device_name(
372 device_name
, &boot_device
->DeviceName
);
374 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
:
382 * _scsih_get_sas_address - set the sas_address for given device handle
383 * @handle: device handle
384 * @sas_address: sas address
386 * Returns 0 success, non-zero when failure
389 _scsih_get_sas_address(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
,
392 Mpi2SasDevicePage0_t sas_device_pg0
;
393 Mpi2ConfigReply_t mpi_reply
;
398 if (handle
<= ioc
->sas_hba
.num_phys
) {
399 *sas_address
= ioc
->sas_hba
.sas_address
;
403 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
404 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
405 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
406 __FILE__
, __LINE__
, __func__
);
410 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
411 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
412 *sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
416 /* we hit this becuase the given parent handle doesn't exist */
417 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
420 /* else error case */
422 "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n",
423 ioc
->name
, handle
, ioc_status
,
424 __FILE__
, __LINE__
, __func__
);
429 * _scsih_determine_boot_device - determine boot device.
430 * @ioc: per adapter object
431 * @device: either sas_device or raid_device object
432 * @is_raid: [flag] 1 = raid object, 0 = sas object
434 * Determines whether this device should be first reported device to
435 * to scsi-ml or sas transport, this purpose is for persistent boot device.
436 * There are primary, alternate, and current entries in bios page 2. The order
437 * priority is primary, alternate, then current. This routine saves
438 * the corresponding device object and is_raid flag in the ioc object.
439 * The saved data to be used later in _scsih_probe_boot_devices().
442 _scsih_determine_boot_device(struct MPT3SAS_ADAPTER
*ioc
,
443 void *device
, u8 is_raid
)
445 struct _sas_device
*sas_device
;
446 struct _raid_device
*raid_device
;
449 u64 enclosure_logical_id
;
452 /* only process this function when driver loads */
453 if (!ioc
->is_driver_loading
)
456 /* no Bios, return immediately */
457 if (!ioc
->bios_pg3
.BiosVersion
)
462 sas_address
= sas_device
->sas_address
;
463 device_name
= sas_device
->device_name
;
464 enclosure_logical_id
= sas_device
->enclosure_logical_id
;
465 slot
= sas_device
->slot
;
467 raid_device
= device
;
468 sas_address
= raid_device
->wwid
;
470 enclosure_logical_id
= 0;
474 if (!ioc
->req_boot_device
.device
) {
475 if (_scsih_is_boot_device(sas_address
, device_name
,
476 enclosure_logical_id
, slot
,
477 (ioc
->bios_pg2
.ReqBootDeviceForm
&
478 MPI2_BIOSPAGE2_FORM_MASK
),
479 &ioc
->bios_pg2
.RequestedBootDevice
)) {
480 dinitprintk(ioc
, pr_info(MPT3SAS_FMT
481 "%s: req_boot_device(0x%016llx)\n",
483 (unsigned long long)sas_address
));
484 ioc
->req_boot_device
.device
= device
;
485 ioc
->req_boot_device
.is_raid
= is_raid
;
489 if (!ioc
->req_alt_boot_device
.device
) {
490 if (_scsih_is_boot_device(sas_address
, device_name
,
491 enclosure_logical_id
, slot
,
492 (ioc
->bios_pg2
.ReqAltBootDeviceForm
&
493 MPI2_BIOSPAGE2_FORM_MASK
),
494 &ioc
->bios_pg2
.RequestedAltBootDevice
)) {
495 dinitprintk(ioc
, pr_info(MPT3SAS_FMT
496 "%s: req_alt_boot_device(0x%016llx)\n",
498 (unsigned long long)sas_address
));
499 ioc
->req_alt_boot_device
.device
= device
;
500 ioc
->req_alt_boot_device
.is_raid
= is_raid
;
504 if (!ioc
->current_boot_device
.device
) {
505 if (_scsih_is_boot_device(sas_address
, device_name
,
506 enclosure_logical_id
, slot
,
507 (ioc
->bios_pg2
.CurrentBootDeviceForm
&
508 MPI2_BIOSPAGE2_FORM_MASK
),
509 &ioc
->bios_pg2
.CurrentBootDevice
)) {
510 dinitprintk(ioc
, pr_info(MPT3SAS_FMT
511 "%s: current_boot_device(0x%016llx)\n",
513 (unsigned long long)sas_address
));
514 ioc
->current_boot_device
.device
= device
;
515 ioc
->current_boot_device
.is_raid
= is_raid
;
521 * mpt3sas_scsih_sas_device_find_by_sas_address - sas device search
522 * @ioc: per adapter object
523 * @sas_address: sas address
524 * Context: Calling function should acquire ioc->sas_device_lock
526 * This searches for sas_device based on sas_address, then return sas_device
530 mpt3sas_scsih_sas_device_find_by_sas_address(struct MPT3SAS_ADAPTER
*ioc
,
533 struct _sas_device
*sas_device
;
535 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
536 if (sas_device
->sas_address
== sas_address
)
539 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
540 if (sas_device
->sas_address
== sas_address
)
547 * _scsih_sas_device_find_by_handle - sas device search
548 * @ioc: per adapter object
549 * @handle: sas device handle (assigned by firmware)
550 * Context: Calling function should acquire ioc->sas_device_lock
552 * This searches for sas_device based on sas_address, then return sas_device
555 static struct _sas_device
*
556 _scsih_sas_device_find_by_handle(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
558 struct _sas_device
*sas_device
;
560 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
561 if (sas_device
->handle
== handle
)
564 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
565 if (sas_device
->handle
== handle
)
572 * _scsih_sas_device_remove - remove sas_device from list.
573 * @ioc: per adapter object
574 * @sas_device: the sas_device object
575 * Context: This function will acquire ioc->sas_device_lock.
577 * Removing object and freeing associated memory from the ioc->sas_device_list.
580 _scsih_sas_device_remove(struct MPT3SAS_ADAPTER
*ioc
,
581 struct _sas_device
*sas_device
)
588 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
589 list_del(&sas_device
->list
);
591 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
595 * _scsih_device_remove_by_handle - removing device object by handle
596 * @ioc: per adapter object
597 * @handle: device handle
602 _scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
604 struct _sas_device
*sas_device
;
607 if (ioc
->shost_recovery
)
610 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
611 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
613 list_del(&sas_device
->list
);
614 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
616 _scsih_remove_device(ioc
, sas_device
);
620 * mpt3sas_device_remove_by_sas_address - removing device object by sas address
621 * @ioc: per adapter object
622 * @sas_address: device sas_address
627 mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER
*ioc
,
630 struct _sas_device
*sas_device
;
633 if (ioc
->shost_recovery
)
636 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
637 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
640 list_del(&sas_device
->list
);
641 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
643 _scsih_remove_device(ioc
, sas_device
);
647 * _scsih_sas_device_add - insert sas_device to the list.
648 * @ioc: per adapter object
649 * @sas_device: the sas_device object
650 * Context: This function will acquire ioc->sas_device_lock.
652 * Adding new object to the ioc->sas_device_list.
655 _scsih_sas_device_add(struct MPT3SAS_ADAPTER
*ioc
,
656 struct _sas_device
*sas_device
)
660 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
661 "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
662 ioc
->name
, __func__
, sas_device
->handle
,
663 (unsigned long long)sas_device
->sas_address
));
665 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
666 list_add_tail(&sas_device
->list
, &ioc
->sas_device_list
);
667 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
669 if (!mpt3sas_transport_port_add(ioc
, sas_device
->handle
,
670 sas_device
->sas_address_parent
)) {
671 _scsih_sas_device_remove(ioc
, sas_device
);
672 } else if (!sas_device
->starget
) {
674 * When asyn scanning is enabled, its not possible to remove
675 * devices while scanning is turned on due to an oops in
676 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
678 if (!ioc
->is_driver_loading
) {
679 mpt3sas_transport_port_remove(ioc
,
680 sas_device
->sas_address
,
681 sas_device
->sas_address_parent
);
682 _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(*sas_target_priv_data
),
1168 if (!sas_target_priv_data
)
1171 starget
->hostdata
= sas_target_priv_data
;
1172 sas_target_priv_data
->starget
= starget
;
1173 sas_target_priv_data
->handle
= MPT3SAS_INVALID_DEVICE_HANDLE
;
1176 if (starget
->channel
== RAID_CHANNEL
) {
1177 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1178 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1181 sas_target_priv_data
->handle
= raid_device
->handle
;
1182 sas_target_priv_data
->sas_address
= raid_device
->wwid
;
1183 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_VOLUME
;
1184 raid_device
->starget
= starget
;
1186 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1190 /* sas/sata devices */
1191 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1192 rphy
= dev_to_rphy(starget
->dev
.parent
);
1193 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1194 rphy
->identify
.sas_address
);
1197 sas_target_priv_data
->handle
= sas_device
->handle
;
1198 sas_target_priv_data
->sas_address
= sas_device
->sas_address
;
1199 sas_device
->starget
= starget
;
1200 sas_device
->id
= starget
->id
;
1201 sas_device
->channel
= starget
->channel
;
1202 if (test_bit(sas_device
->handle
, ioc
->pd_handles
))
1203 sas_target_priv_data
->flags
|=
1204 MPT_TARGET_FLAGS_RAID_COMPONENT
;
1205 if (sas_device
->fast_path
)
1206 sas_target_priv_data
->flags
|= MPT_TARGET_FASTPATH_IO
;
1208 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1214 * _scsih_target_destroy - target destroy routine
1215 * @starget: scsi target struct
1220 _scsih_target_destroy(struct scsi_target
*starget
)
1222 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1223 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
1224 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1225 struct _sas_device
*sas_device
;
1226 struct _raid_device
*raid_device
;
1227 unsigned long flags
;
1228 struct sas_rphy
*rphy
;
1230 sas_target_priv_data
= starget
->hostdata
;
1231 if (!sas_target_priv_data
)
1234 if (starget
->channel
== RAID_CHANNEL
) {
1235 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1236 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1239 raid_device
->starget
= NULL
;
1240 raid_device
->sdev
= NULL
;
1242 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1246 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1247 rphy
= dev_to_rphy(starget
->dev
.parent
);
1248 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1249 rphy
->identify
.sas_address
);
1250 if (sas_device
&& (sas_device
->starget
== starget
) &&
1251 (sas_device
->id
== starget
->id
) &&
1252 (sas_device
->channel
== starget
->channel
))
1253 sas_device
->starget
= NULL
;
1255 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1258 kfree(sas_target_priv_data
);
1259 starget
->hostdata
= NULL
;
1263 * _scsih_slave_alloc - device add routine
1264 * @sdev: scsi device struct
1266 * Returns 0 if ok. Any other return is assumed to be an error and
1267 * the device is ignored.
1270 _scsih_slave_alloc(struct scsi_device
*sdev
)
1272 struct Scsi_Host
*shost
;
1273 struct MPT3SAS_ADAPTER
*ioc
;
1274 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1275 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
1276 struct scsi_target
*starget
;
1277 struct _raid_device
*raid_device
;
1278 struct _sas_device
*sas_device
;
1279 unsigned long flags
;
1281 sas_device_priv_data
= kzalloc(sizeof(*sas_device_priv_data
),
1283 if (!sas_device_priv_data
)
1286 sas_device_priv_data
->lun
= sdev
->lun
;
1287 sas_device_priv_data
->flags
= MPT_DEVICE_FLAGS_INIT
;
1289 starget
= scsi_target(sdev
);
1290 sas_target_priv_data
= starget
->hostdata
;
1291 sas_target_priv_data
->num_luns
++;
1292 sas_device_priv_data
->sas_target
= sas_target_priv_data
;
1293 sdev
->hostdata
= sas_device_priv_data
;
1294 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
))
1295 sdev
->no_uld_attach
= 1;
1297 shost
= dev_to_shost(&starget
->dev
);
1298 ioc
= shost_priv(shost
);
1299 if (starget
->channel
== RAID_CHANNEL
) {
1300 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1301 raid_device
= _scsih_raid_device_find_by_id(ioc
,
1302 starget
->id
, starget
->channel
);
1304 raid_device
->sdev
= sdev
; /* raid is single lun */
1305 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1308 if (!(sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
)) {
1309 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1310 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1311 sas_target_priv_data
->sas_address
);
1312 if (sas_device
&& (sas_device
->starget
== NULL
)) {
1313 sdev_printk(KERN_INFO
, sdev
,
1314 "%s : sas_device->starget set to starget @ %d\n",
1315 __func__
, __LINE__
);
1316 sas_device
->starget
= starget
;
1318 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1325 * _scsih_slave_destroy - device destroy routine
1326 * @sdev: scsi device struct
1331 _scsih_slave_destroy(struct scsi_device
*sdev
)
1333 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1334 struct scsi_target
*starget
;
1335 struct Scsi_Host
*shost
;
1336 struct MPT3SAS_ADAPTER
*ioc
;
1337 struct _sas_device
*sas_device
;
1338 unsigned long flags
;
1340 if (!sdev
->hostdata
)
1343 starget
= scsi_target(sdev
);
1344 sas_target_priv_data
= starget
->hostdata
;
1345 sas_target_priv_data
->num_luns
--;
1347 shost
= dev_to_shost(&starget
->dev
);
1348 ioc
= shost_priv(shost
);
1350 if (!(sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
)) {
1351 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1352 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1353 sas_target_priv_data
->sas_address
);
1354 if (sas_device
&& !sas_target_priv_data
->num_luns
)
1355 sas_device
->starget
= NULL
;
1356 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1359 kfree(sdev
->hostdata
);
1360 sdev
->hostdata
= NULL
;
1364 * _scsih_display_sata_capabilities - sata capabilities
1365 * @ioc: per adapter object
1366 * @handle: device handle
1367 * @sdev: scsi device struct
1370 _scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER
*ioc
,
1371 u16 handle
, struct scsi_device
*sdev
)
1373 Mpi2ConfigReply_t mpi_reply
;
1374 Mpi2SasDevicePage0_t sas_device_pg0
;
1379 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
1380 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
1381 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1382 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1386 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1387 MPI2_IOCSTATUS_MASK
;
1388 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1389 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1390 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1394 flags
= le16_to_cpu(sas_device_pg0
.Flags
);
1395 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1397 sdev_printk(KERN_INFO
, sdev
,
1398 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1399 "sw_preserve(%s)\n",
1400 (device_info
& MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE
) ? "y" : "n",
1401 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED
) ? "y" : "n",
1402 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY
) ? "y" :
1404 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED
) ? "y" : "n",
1405 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED
) ? "y" : "n",
1406 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE
) ? "y" : "n");
1410 * raid transport support -
1411 * Enabled for SLES11 and newer, in older kernels the driver will panic when
1412 * unloading the driver followed by a load - I beleive that the subroutine
1413 * raid_class_release() is not cleaning up properly.
1417 * _scsih_is_raid - return boolean indicating device is raid volume
1418 * @dev the device struct object
1421 _scsih_is_raid(struct device
*dev
)
1423 struct scsi_device
*sdev
= to_scsi_device(dev
);
1425 return (sdev
->channel
== RAID_CHANNEL
) ? 1 : 0;
1429 * _scsih_get_resync - get raid volume resync percent complete
1430 * @dev the device struct object
1433 _scsih_get_resync(struct device
*dev
)
1435 struct scsi_device
*sdev
= to_scsi_device(dev
);
1436 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1437 static struct _raid_device
*raid_device
;
1438 unsigned long flags
;
1439 Mpi2RaidVolPage0_t vol_pg0
;
1440 Mpi2ConfigReply_t mpi_reply
;
1441 u32 volume_status_flags
;
1442 u8 percent_complete
;
1445 percent_complete
= 0;
1447 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1448 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1451 handle
= raid_device
->handle
;
1452 percent_complete
= raid_device
->percent_complete
;
1454 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1459 if (mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1460 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1461 sizeof(Mpi2RaidVolPage0_t
))) {
1462 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1463 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1464 percent_complete
= 0;
1468 volume_status_flags
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1469 if (!(volume_status_flags
&
1470 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
))
1471 percent_complete
= 0;
1474 raid_set_resync(mpt3sas_raid_template
, dev
, percent_complete
);
1478 * _scsih_get_state - get raid volume level
1479 * @dev the device struct object
1482 _scsih_get_state(struct device
*dev
)
1484 struct scsi_device
*sdev
= to_scsi_device(dev
);
1485 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1486 static struct _raid_device
*raid_device
;
1487 unsigned long flags
;
1488 Mpi2RaidVolPage0_t vol_pg0
;
1489 Mpi2ConfigReply_t mpi_reply
;
1491 enum raid_state state
= RAID_STATE_UNKNOWN
;
1494 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1495 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1498 handle
= raid_device
->handle
;
1499 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1504 if (mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1505 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1506 sizeof(Mpi2RaidVolPage0_t
))) {
1507 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
1508 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1512 volstate
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1513 if (volstate
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
) {
1514 state
= RAID_STATE_RESYNCING
;
1518 switch (vol_pg0
.VolumeState
) {
1519 case MPI2_RAID_VOL_STATE_OPTIMAL
:
1520 case MPI2_RAID_VOL_STATE_ONLINE
:
1521 state
= RAID_STATE_ACTIVE
;
1523 case MPI2_RAID_VOL_STATE_DEGRADED
:
1524 state
= RAID_STATE_DEGRADED
;
1526 case MPI2_RAID_VOL_STATE_FAILED
:
1527 case MPI2_RAID_VOL_STATE_MISSING
:
1528 state
= RAID_STATE_OFFLINE
;
1532 raid_set_state(mpt3sas_raid_template
, dev
, state
);
1536 * _scsih_set_level - set raid level
1537 * @sdev: scsi device struct
1538 * @volume_type: volume type
1541 _scsih_set_level(struct scsi_device
*sdev
, u8 volume_type
)
1543 enum raid_level level
= RAID_LEVEL_UNKNOWN
;
1545 switch (volume_type
) {
1546 case MPI2_RAID_VOL_TYPE_RAID0
:
1547 level
= RAID_LEVEL_0
;
1549 case MPI2_RAID_VOL_TYPE_RAID10
:
1550 level
= RAID_LEVEL_10
;
1552 case MPI2_RAID_VOL_TYPE_RAID1E
:
1553 level
= RAID_LEVEL_1E
;
1555 case MPI2_RAID_VOL_TYPE_RAID1
:
1556 level
= RAID_LEVEL_1
;
1560 raid_set_level(mpt3sas_raid_template
, &sdev
->sdev_gendev
, level
);
1565 * _scsih_get_volume_capabilities - volume capabilities
1566 * @ioc: per adapter object
1567 * @sas_device: the raid_device object
1569 * Returns 0 for success, else 1
1572 _scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER
*ioc
,
1573 struct _raid_device
*raid_device
)
1575 Mpi2RaidVolPage0_t
*vol_pg0
;
1576 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1577 Mpi2SasDevicePage0_t sas_device_pg0
;
1578 Mpi2ConfigReply_t mpi_reply
;
1582 if ((mpt3sas_config_get_number_pds(ioc
, raid_device
->handle
,
1583 &num_pds
)) || !num_pds
) {
1584 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1585 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1590 raid_device
->num_pds
= num_pds
;
1591 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1592 sizeof(Mpi2RaidVol0PhysDisk_t
));
1593 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1595 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1596 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1601 if ((mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1602 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1603 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1604 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1610 raid_device
->volume_type
= vol_pg0
->VolumeType
;
1612 /* figure out what the underlying devices are by
1613 * obtaining the device_info bits for the 1st device
1615 if (!(mpt3sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1616 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1617 vol_pg0
->PhysDisk
[0].PhysDiskNum
))) {
1618 if (!(mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
1619 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
1620 le16_to_cpu(pd_pg0
.DevHandle
)))) {
1621 raid_device
->device_info
=
1622 le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1633 * _scsih_enable_tlr - setting TLR flags
1634 * @ioc: per adapter object
1635 * @sdev: scsi device struct
1637 * Enabling Transaction Layer Retries for tape devices when
1638 * vpd page 0x90 is present
1642 _scsih_enable_tlr(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_device
*sdev
)
1646 if (sdev
->type
!= TYPE_TAPE
)
1649 if (!(ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_TLR
))
1652 sas_enable_tlr(sdev
);
1653 sdev_printk(KERN_INFO
, sdev
, "TLR %s\n",
1654 sas_is_tlr_enabled(sdev
) ? "Enabled" : "Disabled");
1660 * _scsih_slave_configure - device configure routine.
1661 * @sdev: scsi device struct
1663 * Returns 0 if ok. Any other return is assumed to be an error and
1664 * the device is ignored.
1667 _scsih_slave_configure(struct scsi_device
*sdev
)
1669 struct Scsi_Host
*shost
= sdev
->host
;
1670 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
1671 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
1672 struct MPT3SAS_TARGET
*sas_target_priv_data
;
1673 struct _sas_device
*sas_device
;
1674 struct _raid_device
*raid_device
;
1675 unsigned long flags
;
1680 u16 handle
, volume_handle
= 0;
1681 u64 volume_wwid
= 0;
1684 sas_device_priv_data
= sdev
->hostdata
;
1685 sas_device_priv_data
->configured_lun
= 1;
1686 sas_device_priv_data
->flags
&= ~MPT_DEVICE_FLAGS_INIT
;
1687 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1688 handle
= sas_target_priv_data
->handle
;
1690 /* raid volume handling */
1691 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
1693 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1694 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
1695 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1697 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1698 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
1699 __LINE__
, __func__
));
1703 if (_scsih_get_volume_capabilities(ioc
, raid_device
)) {
1704 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1705 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
1706 __LINE__
, __func__
));
1711 /* RAID Queue Depth Support
1712 * IS volume = underlying qdepth of drive type, either
1713 * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
1714 * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
1716 if (raid_device
->device_info
&
1717 MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
1718 qdepth
= MPT3SAS_SAS_QUEUE_DEPTH
;
1721 qdepth
= MPT3SAS_SATA_QUEUE_DEPTH
;
1722 if (raid_device
->device_info
&
1723 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1729 switch (raid_device
->volume_type
) {
1730 case MPI2_RAID_VOL_TYPE_RAID0
:
1733 case MPI2_RAID_VOL_TYPE_RAID1E
:
1734 qdepth
= MPT3SAS_RAID_QUEUE_DEPTH
;
1735 if (ioc
->manu_pg10
.OEMIdentifier
&&
1736 (le32_to_cpu(ioc
->manu_pg10
.GenericFlags0
) &
1737 MFG10_GF0_R10_DISPLAY
) &&
1738 !(raid_device
->num_pds
% 2))
1743 case MPI2_RAID_VOL_TYPE_RAID1
:
1744 qdepth
= MPT3SAS_RAID_QUEUE_DEPTH
;
1747 case MPI2_RAID_VOL_TYPE_RAID10
:
1748 qdepth
= MPT3SAS_RAID_QUEUE_DEPTH
;
1751 case MPI2_RAID_VOL_TYPE_UNKNOWN
:
1753 qdepth
= MPT3SAS_RAID_QUEUE_DEPTH
;
1758 sdev_printk(KERN_INFO
, sdev
,
1759 "%s: handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n",
1760 r_level
, raid_device
->handle
,
1761 (unsigned long long)raid_device
->wwid
,
1762 raid_device
->num_pds
, ds
);
1765 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
1767 /* raid transport support */
1768 _scsih_set_level(sdev
, raid_device
->volume_type
);
1772 /* non-raid handling */
1773 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) {
1774 if (mpt3sas_config_get_volume_handle(ioc
, handle
,
1776 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1777 "failure at %s:%d/%s()!\n", ioc
->name
,
1778 __FILE__
, __LINE__
, __func__
));
1781 if (volume_handle
&& mpt3sas_config_get_volume_wwid(ioc
,
1782 volume_handle
, &volume_wwid
)) {
1783 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1784 "failure at %s:%d/%s()!\n", ioc
->name
,
1785 __FILE__
, __LINE__
, __func__
));
1790 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1791 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
1792 sas_device_priv_data
->sas_target
->sas_address
);
1794 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1795 dfailprintk(ioc
, pr_warn(MPT3SAS_FMT
1796 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1801 sas_device
->volume_handle
= volume_handle
;
1802 sas_device
->volume_wwid
= volume_wwid
;
1803 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
1804 qdepth
= MPT3SAS_SAS_QUEUE_DEPTH
;
1808 qdepth
= MPT3SAS_SATA_QUEUE_DEPTH
;
1809 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
)
1811 else if (sas_device
->device_info
&
1812 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1816 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), " \
1817 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1818 ds
, handle
, (unsigned long long)sas_device
->sas_address
,
1819 sas_device
->phy
, (unsigned long long)sas_device
->device_name
);
1820 sdev_printk(KERN_INFO
, sdev
,
1821 "%s: enclosure_logical_id(0x%016llx), slot(%d)\n",
1822 ds
, (unsigned long long)
1823 sas_device
->enclosure_logical_id
, sas_device
->slot
);
1825 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1828 _scsih_display_sata_capabilities(ioc
, handle
, sdev
);
1831 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
1834 sas_read_port_mode_page(sdev
);
1835 _scsih_enable_tlr(ioc
, sdev
);
1842 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
1843 * @sdev: scsi device struct
1844 * @bdev: pointer to block device context
1845 * @capacity: device size (in 512 byte sectors)
1846 * @params: three element array to place output:
1847 * params[0] number of heads (max 255)
1848 * params[1] number of sectors (max 63)
1849 * params[2] number of cylinders
1854 _scsih_bios_param(struct scsi_device
*sdev
, struct block_device
*bdev
,
1855 sector_t capacity
, int params
[])
1865 dummy
= heads
* sectors
;
1866 cylinders
= capacity
;
1867 sector_div(cylinders
, dummy
);
1870 * Handle extended translation size for logical drives
1873 if ((ulong
)capacity
>= 0x200000) {
1876 dummy
= heads
* sectors
;
1877 cylinders
= capacity
;
1878 sector_div(cylinders
, dummy
);
1883 params
[1] = sectors
;
1884 params
[2] = cylinders
;
1890 * _scsih_response_code - translation of device response code
1891 * @ioc: per adapter object
1892 * @response_code: response code returned by the device
1897 _scsih_response_code(struct MPT3SAS_ADAPTER
*ioc
, u8 response_code
)
1901 switch (response_code
) {
1902 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE
:
1903 desc
= "task management request completed";
1905 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
:
1906 desc
= "invalid frame";
1908 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED
:
1909 desc
= "task management request not supported";
1911 case MPI2_SCSITASKMGMT_RSP_TM_FAILED
:
1912 desc
= "task management request failed";
1914 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
:
1915 desc
= "task management request succeeded";
1917 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN
:
1918 desc
= "invalid lun";
1921 desc
= "overlapped tag attempted";
1923 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
:
1924 desc
= "task queued, however not sent to target";
1930 pr_warn(MPT3SAS_FMT
"response_code(0x%01x): %s\n",
1931 ioc
->name
, response_code
, desc
);
1935 * _scsih_tm_done - tm completion routine
1936 * @ioc: per adapter object
1937 * @smid: system request message index
1938 * @msix_index: MSIX table index supplied by the OS
1939 * @reply: reply message frame(lower 32bit addr)
1942 * The callback handler when using scsih_issue_tm.
1944 * Return 1 meaning mf should be freed from _base_interrupt
1945 * 0 means the mf is freed from this function.
1948 _scsih_tm_done(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
1950 MPI2DefaultReply_t
*mpi_reply
;
1952 if (ioc
->tm_cmds
.status
== MPT3_CMD_NOT_USED
)
1954 if (ioc
->tm_cmds
.smid
!= smid
)
1956 mpt3sas_base_flush_reply_queues(ioc
);
1957 ioc
->tm_cmds
.status
|= MPT3_CMD_COMPLETE
;
1958 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
1960 memcpy(ioc
->tm_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
1961 ioc
->tm_cmds
.status
|= MPT3_CMD_REPLY_VALID
;
1963 ioc
->tm_cmds
.status
&= ~MPT3_CMD_PENDING
;
1964 complete(&ioc
->tm_cmds
.done
);
1969 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
1970 * @ioc: per adapter object
1971 * @handle: device handle
1973 * During taskmangement request, we need to freeze the device queue.
1976 mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
1978 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
1979 struct scsi_device
*sdev
;
1982 shost_for_each_device(sdev
, ioc
->shost
) {
1985 sas_device_priv_data
= sdev
->hostdata
;
1986 if (!sas_device_priv_data
)
1988 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
1989 sas_device_priv_data
->sas_target
->tm_busy
= 1;
1991 ioc
->ignore_loginfos
= 1;
1997 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
1998 * @ioc: per adapter object
1999 * @handle: device handle
2001 * During taskmangement request, we need to freeze the device queue.
2004 mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
2006 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2007 struct scsi_device
*sdev
;
2010 shost_for_each_device(sdev
, ioc
->shost
) {
2013 sas_device_priv_data
= sdev
->hostdata
;
2014 if (!sas_device_priv_data
)
2016 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2017 sas_device_priv_data
->sas_target
->tm_busy
= 0;
2019 ioc
->ignore_loginfos
= 0;
2025 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
2026 * @ioc: per adapter struct
2027 * @device_handle: device handle
2028 * @channel: the channel assigned by the OS
2029 * @id: the id assigned by the OS
2031 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2032 * @smid_task: smid assigned to the task
2033 * @timeout: timeout in seconds
2034 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2037 * A generic API for sending task management requests to firmware.
2039 * The callback index is set inside `ioc->tm_cb_idx`.
2041 * Return SUCCESS or FAILED.
2044 mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
, uint channel
,
2045 uint id
, uint lun
, u8 type
, u16 smid_task
, ulong timeout
,
2046 enum mutex_type m_type
)
2048 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2049 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
2052 unsigned long timeleft
;
2053 struct scsiio_tracker
*scsi_lookup
= NULL
;
2056 if (m_type
== TM_MUTEX_ON
)
2057 mutex_lock(&ioc
->tm_cmds
.mutex
);
2058 if (ioc
->tm_cmds
.status
!= MPT3_CMD_NOT_USED
) {
2059 pr_info(MPT3SAS_FMT
"%s: tm_cmd busy!!!\n",
2060 __func__
, ioc
->name
);
2065 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2066 ioc
->pci_error_recovery
) {
2067 pr_info(MPT3SAS_FMT
"%s: host reset in progress!\n",
2068 __func__
, ioc
->name
);
2073 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 0);
2074 if (ioc_state
& MPI2_DOORBELL_USED
) {
2075 dhsprintk(ioc
, pr_info(MPT3SAS_FMT
2076 "unexpected doorbell active!\n", ioc
->name
));
2077 rc
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2079 rc
= (!rc
) ? SUCCESS
: FAILED
;
2083 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
2084 mpt3sas_base_fault_info(ioc
, ioc_state
&
2085 MPI2_DOORBELL_DATA_MASK
);
2086 rc
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2088 rc
= (!rc
) ? SUCCESS
: FAILED
;
2092 smid
= mpt3sas_base_get_smid_hpr(ioc
, ioc
->tm_cb_idx
);
2094 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
2095 ioc
->name
, __func__
);
2100 if (type
== MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
)
2101 scsi_lookup
= &ioc
->scsi_lookup
[smid_task
- 1];
2103 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
2104 "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
2105 ioc
->name
, handle
, type
, smid_task
));
2106 ioc
->tm_cmds
.status
= MPT3_CMD_PENDING
;
2107 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
2108 ioc
->tm_cmds
.smid
= smid
;
2109 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2110 memset(ioc
->tm_cmds
.reply
, 0, sizeof(Mpi2SCSITaskManagementReply_t
));
2111 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2112 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2113 mpi_request
->TaskType
= type
;
2114 mpi_request
->TaskMID
= cpu_to_le16(smid_task
);
2115 int_to_scsilun(lun
, (struct scsi_lun
*)mpi_request
->LUN
);
2116 mpt3sas_scsih_set_tm_flag(ioc
, handle
);
2117 init_completion(&ioc
->tm_cmds
.done
);
2118 mpt3sas_base_put_smid_hi_priority(ioc
, smid
);
2119 timeleft
= wait_for_completion_timeout(&ioc
->tm_cmds
.done
, timeout
*HZ
);
2120 if (!(ioc
->tm_cmds
.status
& MPT3_CMD_COMPLETE
)) {
2121 pr_err(MPT3SAS_FMT
"%s: timeout\n",
2122 ioc
->name
, __func__
);
2123 _debug_dump_mf(mpi_request
,
2124 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2125 if (!(ioc
->tm_cmds
.status
& MPT3_CMD_RESET
)) {
2126 rc
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2128 rc
= (!rc
) ? SUCCESS
: FAILED
;
2129 ioc
->tm_cmds
.status
= MPT3_CMD_NOT_USED
;
2130 mpt3sas_scsih_clear_tm_flag(ioc
, handle
);
2135 if (ioc
->tm_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
2136 mpt3sas_trigger_master(ioc
, MASTER_TRIGGER_TASK_MANAGMENT
);
2137 mpi_reply
= ioc
->tm_cmds
.reply
;
2138 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
"complete tm: " \
2139 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2140 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
2141 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2142 le32_to_cpu(mpi_reply
->TerminationCount
)));
2143 if (ioc
->logging_level
& MPT_DEBUG_TM
) {
2144 _scsih_response_code(ioc
, mpi_reply
->ResponseCode
);
2145 if (mpi_reply
->IOCStatus
)
2146 _debug_dump_mf(mpi_request
,
2147 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2152 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
:
2154 if (scsi_lookup
->scmd
== NULL
)
2159 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
:
2160 if (_scsih_scsi_lookup_find_by_target(ioc
, id
, channel
))
2165 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET
:
2166 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
:
2167 if (_scsih_scsi_lookup_find_by_lun(ioc
, id
, lun
, channel
))
2172 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
:
2180 mpt3sas_scsih_clear_tm_flag(ioc
, handle
);
2181 ioc
->tm_cmds
.status
= MPT3_CMD_NOT_USED
;
2182 if (m_type
== TM_MUTEX_ON
)
2183 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2188 if (m_type
== TM_MUTEX_ON
)
2189 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2194 * _scsih_tm_display_info - displays info about the device
2195 * @ioc: per adapter struct
2196 * @scmd: pointer to scsi command object
2198 * Called by task management callback handlers.
2201 _scsih_tm_display_info(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
)
2203 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2204 struct MPT3SAS_TARGET
*priv_target
= starget
->hostdata
;
2205 struct _sas_device
*sas_device
= NULL
;
2206 unsigned long flags
;
2207 char *device_str
= NULL
;
2211 device_str
= "volume";
2213 scsi_print_command(scmd
);
2214 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2215 starget_printk(KERN_INFO
, starget
,
2216 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
2217 device_str
, priv_target
->handle
,
2218 device_str
, (unsigned long long)priv_target
->sas_address
);
2220 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2221 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
2222 priv_target
->sas_address
);
2224 if (priv_target
->flags
&
2225 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2226 starget_printk(KERN_INFO
, starget
,
2227 "volume handle(0x%04x), "
2228 "volume wwid(0x%016llx)\n",
2229 sas_device
->volume_handle
,
2230 (unsigned long long)sas_device
->volume_wwid
);
2232 starget_printk(KERN_INFO
, starget
,
2233 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2235 (unsigned long long)sas_device
->sas_address
,
2237 starget_printk(KERN_INFO
, starget
,
2238 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2239 (unsigned long long)sas_device
->enclosure_logical_id
,
2242 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2247 * _scsih_abort - eh threads main abort routine
2248 * @scmd: pointer to scsi command object
2250 * Returns SUCCESS if command aborted else FAILED
2253 _scsih_abort(struct scsi_cmnd
*scmd
)
2255 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2256 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2261 sdev_printk(KERN_INFO
, scmd
->device
,
2262 "attempting task abort! scmd(%p)\n", scmd
);
2263 _scsih_tm_display_info(ioc
, scmd
);
2265 sas_device_priv_data
= scmd
->device
->hostdata
;
2266 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2267 sdev_printk(KERN_INFO
, scmd
->device
,
2268 "device been deleted! scmd(%p)\n", scmd
);
2269 scmd
->result
= DID_NO_CONNECT
<< 16;
2270 scmd
->scsi_done(scmd
);
2275 /* search for the command */
2276 smid
= _scsih_scsi_lookup_find_by_scmd(ioc
, scmd
);
2278 scmd
->result
= DID_RESET
<< 16;
2283 /* for hidden raid components and volumes this is not supported */
2284 if (sas_device_priv_data
->sas_target
->flags
&
2285 MPT_TARGET_FLAGS_RAID_COMPONENT
||
2286 sas_device_priv_data
->sas_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2287 scmd
->result
= DID_RESET
<< 16;
2292 mpt3sas_halt_firmware(ioc
);
2294 handle
= sas_device_priv_data
->sas_target
->handle
;
2295 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2296 scmd
->device
->id
, scmd
->device
->lun
,
2297 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30, TM_MUTEX_ON
);
2300 sdev_printk(KERN_INFO
, scmd
->device
, "task abort: %s scmd(%p)\n",
2301 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2306 * _scsih_dev_reset - eh threads main device reset routine
2307 * @scmd: pointer to scsi command object
2309 * Returns SUCCESS if command aborted else FAILED
2312 _scsih_dev_reset(struct scsi_cmnd
*scmd
)
2314 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2315 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2316 struct _sas_device
*sas_device
;
2317 unsigned long flags
;
2321 sdev_printk(KERN_INFO
, scmd
->device
,
2322 "attempting device reset! scmd(%p)\n", scmd
);
2323 _scsih_tm_display_info(ioc
, scmd
);
2325 sas_device_priv_data
= scmd
->device
->hostdata
;
2326 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2327 sdev_printk(KERN_INFO
, scmd
->device
,
2328 "device been deleted! scmd(%p)\n", scmd
);
2329 scmd
->result
= DID_NO_CONNECT
<< 16;
2330 scmd
->scsi_done(scmd
);
2335 /* for hidden raid components obtain the volume_handle */
2337 if (sas_device_priv_data
->sas_target
->flags
&
2338 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2339 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2340 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2341 sas_device_priv_data
->sas_target
->handle
);
2343 handle
= sas_device
->volume_handle
;
2344 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2346 handle
= sas_device_priv_data
->sas_target
->handle
;
2349 scmd
->result
= DID_RESET
<< 16;
2354 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2355 scmd
->device
->id
, scmd
->device
->lun
,
2356 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
, 0, 30, TM_MUTEX_ON
);
2359 sdev_printk(KERN_INFO
, scmd
->device
, "device reset: %s scmd(%p)\n",
2360 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2365 * _scsih_target_reset - eh threads main target reset routine
2366 * @scmd: pointer to scsi command object
2368 * Returns SUCCESS if command aborted else FAILED
2371 _scsih_target_reset(struct scsi_cmnd
*scmd
)
2373 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2374 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2375 struct _sas_device
*sas_device
;
2376 unsigned long flags
;
2379 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2381 starget_printk(KERN_INFO
, starget
, "attempting target reset! scmd(%p)\n",
2383 _scsih_tm_display_info(ioc
, scmd
);
2385 sas_device_priv_data
= scmd
->device
->hostdata
;
2386 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2387 starget_printk(KERN_INFO
, starget
, "target been deleted! scmd(%p)\n",
2389 scmd
->result
= DID_NO_CONNECT
<< 16;
2390 scmd
->scsi_done(scmd
);
2395 /* for hidden raid components obtain the volume_handle */
2397 if (sas_device_priv_data
->sas_target
->flags
&
2398 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2399 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2400 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2401 sas_device_priv_data
->sas_target
->handle
);
2403 handle
= sas_device
->volume_handle
;
2404 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2406 handle
= sas_device_priv_data
->sas_target
->handle
;
2409 scmd
->result
= DID_RESET
<< 16;
2414 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2415 scmd
->device
->id
, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0,
2419 starget_printk(KERN_INFO
, starget
, "target reset: %s scmd(%p)\n",
2420 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2426 * _scsih_host_reset - eh threads main host reset routine
2427 * @scmd: pointer to scsi command object
2429 * Returns SUCCESS if command aborted else FAILED
2432 _scsih_host_reset(struct scsi_cmnd
*scmd
)
2434 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2437 pr_info(MPT3SAS_FMT
"attempting host reset! scmd(%p)\n",
2439 scsi_print_command(scmd
);
2441 retval
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2443 r
= (retval
< 0) ? FAILED
: SUCCESS
;
2444 pr_info(MPT3SAS_FMT
"host reset: %s scmd(%p)\n",
2445 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2451 * _scsih_fw_event_add - insert and queue up fw_event
2452 * @ioc: per adapter object
2453 * @fw_event: object describing the event
2454 * Context: This function will acquire ioc->fw_event_lock.
2456 * This adds the firmware event object into link list, then queues it up to
2457 * be processed from user context.
2462 _scsih_fw_event_add(struct MPT3SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
2464 unsigned long flags
;
2466 if (ioc
->firmware_event_thread
== NULL
)
2469 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2470 INIT_LIST_HEAD(&fw_event
->list
);
2471 list_add_tail(&fw_event
->list
, &ioc
->fw_event_list
);
2472 INIT_WORK(&fw_event
->work
, _firmware_event_work
);
2473 queue_work(ioc
->firmware_event_thread
, &fw_event
->work
);
2474 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2478 * _scsih_fw_event_free - delete fw_event
2479 * @ioc: per adapter object
2480 * @fw_event: object describing the event
2481 * Context: This function will acquire ioc->fw_event_lock.
2483 * This removes firmware event object from link list, frees associated memory.
2488 _scsih_fw_event_free(struct MPT3SAS_ADAPTER
*ioc
, struct fw_event_work
2491 unsigned long flags
;
2493 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2494 list_del(&fw_event
->list
);
2496 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2501 * mpt3sas_send_trigger_data_event - send event for processing trigger data
2502 * @ioc: per adapter object
2503 * @event_data: trigger event data
2508 mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER
*ioc
,
2509 struct SL_WH_TRIGGERS_EVENT_DATA_T
*event_data
)
2511 struct fw_event_work
*fw_event
;
2513 if (ioc
->is_driver_loading
)
2515 fw_event
= kzalloc(sizeof(*fw_event
) + sizeof(*event_data
),
2519 fw_event
->event
= MPT3SAS_PROCESS_TRIGGER_DIAG
;
2520 fw_event
->ioc
= ioc
;
2521 memcpy(fw_event
->event_data
, event_data
, sizeof(*event_data
));
2522 _scsih_fw_event_add(ioc
, fw_event
);
2526 * _scsih_error_recovery_delete_devices - remove devices not responding
2527 * @ioc: per adapter object
2532 _scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER
*ioc
)
2534 struct fw_event_work
*fw_event
;
2536 if (ioc
->is_driver_loading
)
2538 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2541 fw_event
->event
= MPT3SAS_REMOVE_UNRESPONDING_DEVICES
;
2542 fw_event
->ioc
= ioc
;
2543 _scsih_fw_event_add(ioc
, fw_event
);
2547 * mpt3sas_port_enable_complete - port enable completed (fake event)
2548 * @ioc: per adapter object
2553 mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER
*ioc
)
2555 struct fw_event_work
*fw_event
;
2557 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2560 fw_event
->event
= MPT3SAS_PORT_ENABLE_COMPLETE
;
2561 fw_event
->ioc
= ioc
;
2562 _scsih_fw_event_add(ioc
, fw_event
);
2566 * _scsih_fw_event_cleanup_queue - cleanup event queue
2567 * @ioc: per adapter object
2569 * Walk the firmware event queue, either killing timers, or waiting
2570 * for outstanding events to complete
2575 _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER
*ioc
)
2577 struct fw_event_work
*fw_event
, *next
;
2579 if (list_empty(&ioc
->fw_event_list
) ||
2580 !ioc
->firmware_event_thread
|| in_interrupt())
2583 list_for_each_entry_safe(fw_event
, next
, &ioc
->fw_event_list
, list
) {
2584 if (cancel_delayed_work_sync(&fw_event
->delayed_work
)) {
2585 _scsih_fw_event_free(ioc
, fw_event
);
2592 * _scsih_ublock_io_all_device - unblock every device
2593 * @ioc: per adapter object
2595 * change the device state from block to running
2598 _scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER
*ioc
)
2600 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2601 struct scsi_device
*sdev
;
2603 shost_for_each_device(sdev
, ioc
->shost
) {
2604 sas_device_priv_data
= sdev
->hostdata
;
2605 if (!sas_device_priv_data
)
2607 if (!sas_device_priv_data
->block
)
2610 sas_device_priv_data
->block
= 0;
2611 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2612 "device_running, handle(0x%04x)\n",
2613 sas_device_priv_data
->sas_target
->handle
));
2614 scsi_internal_device_unblock(sdev
, SDEV_RUNNING
);
2620 * _scsih_ublock_io_device - prepare device to be deleted
2621 * @ioc: per adapter object
2622 * @sas_addr: sas address
2624 * unblock then put device in offline state
2627 _scsih_ublock_io_device(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
)
2629 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2630 struct scsi_device
*sdev
;
2632 shost_for_each_device(sdev
, ioc
->shost
) {
2633 sas_device_priv_data
= sdev
->hostdata
;
2634 if (!sas_device_priv_data
)
2636 if (sas_device_priv_data
->sas_target
->sas_address
2639 if (sas_device_priv_data
->block
) {
2640 sas_device_priv_data
->block
= 0;
2641 scsi_internal_device_unblock(sdev
, SDEV_RUNNING
);
2647 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2648 * @ioc: per adapter object
2649 * @handle: device handle
2651 * During device pull we need to appropiately set the sdev state.
2654 _scsih_block_io_all_device(struct MPT3SAS_ADAPTER
*ioc
)
2656 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2657 struct scsi_device
*sdev
;
2659 shost_for_each_device(sdev
, ioc
->shost
) {
2660 sas_device_priv_data
= sdev
->hostdata
;
2661 if (!sas_device_priv_data
)
2663 if (sas_device_priv_data
->block
)
2665 sas_device_priv_data
->block
= 1;
2666 scsi_internal_device_block(sdev
);
2667 sdev_printk(KERN_INFO
, sdev
, "device_blocked, handle(0x%04x)\n",
2668 sas_device_priv_data
->sas_target
->handle
);
2673 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2674 * @ioc: per adapter object
2675 * @handle: device handle
2677 * During device pull we need to appropiately set the sdev state.
2680 _scsih_block_io_device(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
2682 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
2683 struct scsi_device
*sdev
;
2685 shost_for_each_device(sdev
, ioc
->shost
) {
2686 sas_device_priv_data
= sdev
->hostdata
;
2687 if (!sas_device_priv_data
)
2689 if (sas_device_priv_data
->sas_target
->handle
!= handle
)
2691 if (sas_device_priv_data
->block
)
2693 sas_device_priv_data
->block
= 1;
2694 scsi_internal_device_block(sdev
);
2695 sdev_printk(KERN_INFO
, sdev
,
2696 "device_blocked, handle(0x%04x)\n", handle
);
2701 * _scsih_block_io_to_children_attached_to_ex
2702 * @ioc: per adapter object
2703 * @sas_expander: the sas_device object
2705 * This routine set sdev state to SDEV_BLOCK for all devices
2706 * attached to this expander. This function called when expander is
2710 _scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER
*ioc
,
2711 struct _sas_node
*sas_expander
)
2713 struct _sas_port
*mpt3sas_port
;
2714 struct _sas_device
*sas_device
;
2715 struct _sas_node
*expander_sibling
;
2716 unsigned long flags
;
2721 list_for_each_entry(mpt3sas_port
,
2722 &sas_expander
->sas_port_list
, port_list
) {
2723 if (mpt3sas_port
->remote_identify
.device_type
==
2725 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2727 mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
2728 mpt3sas_port
->remote_identify
.sas_address
);
2730 set_bit(sas_device
->handle
,
2731 ioc
->blocking_handles
);
2732 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2736 list_for_each_entry(mpt3sas_port
,
2737 &sas_expander
->sas_port_list
, port_list
) {
2739 if (mpt3sas_port
->remote_identify
.device_type
==
2740 SAS_EDGE_EXPANDER_DEVICE
||
2741 mpt3sas_port
->remote_identify
.device_type
==
2742 SAS_FANOUT_EXPANDER_DEVICE
) {
2744 mpt3sas_scsih_expander_find_by_sas_address(
2745 ioc
, mpt3sas_port
->remote_identify
.sas_address
);
2746 _scsih_block_io_to_children_attached_to_ex(ioc
,
2753 * _scsih_block_io_to_children_attached_directly
2754 * @ioc: per adapter object
2755 * @event_data: topology change event data
2757 * This routine set sdev state to SDEV_BLOCK for all devices
2758 * direct attached during device pull.
2761 _scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER
*ioc
,
2762 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
2768 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
2769 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
2772 reason_code
= event_data
->PHY
[i
].PhyStatus
&
2773 MPI2_EVENT_SAS_TOPO_RC_MASK
;
2774 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
)
2775 _scsih_block_io_device(ioc
, handle
);
2780 * _scsih_tm_tr_send - send task management request
2781 * @ioc: per adapter object
2782 * @handle: device handle
2783 * Context: interrupt time.
2785 * This code is to initiate the device removal handshake protocol
2786 * with controller firmware. This function will issue target reset
2787 * using high priority request queue. It will send a sas iounit
2788 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
2790 * This is designed to send muliple task management request at the same
2791 * time to the fifo. If the fifo is full, we will append the request,
2792 * and process it in a future completion.
2795 _scsih_tm_tr_send(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
2797 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2799 struct _sas_device
*sas_device
;
2800 struct MPT3SAS_TARGET
*sas_target_priv_data
= NULL
;
2801 u64 sas_address
= 0;
2802 unsigned long flags
;
2803 struct _tr_list
*delayed_tr
;
2806 if (ioc
->remove_host
) {
2807 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2808 "%s: host has been removed: handle(0x%04x)\n",
2809 __func__
, ioc
->name
, handle
));
2811 } else if (ioc
->pci_error_recovery
) {
2812 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2813 "%s: host in pci error recovery: handle(0x%04x)\n",
2814 __func__
, ioc
->name
,
2818 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
2819 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
2820 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2821 "%s: host is not operational: handle(0x%04x)\n",
2822 __func__
, ioc
->name
,
2827 /* if PD, then return */
2828 if (test_bit(handle
, ioc
->pd_handles
))
2831 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2832 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
2833 if (sas_device
&& sas_device
->starget
&&
2834 sas_device
->starget
->hostdata
) {
2835 sas_target_priv_data
= sas_device
->starget
->hostdata
;
2836 sas_target_priv_data
->deleted
= 1;
2837 sas_address
= sas_device
->sas_address
;
2839 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2841 if (sas_target_priv_data
) {
2842 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2843 "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
2845 (unsigned long long)sas_address
));
2846 _scsih_ublock_io_device(ioc
, sas_address
);
2847 sas_target_priv_data
->handle
= MPT3SAS_INVALID_DEVICE_HANDLE
;
2850 smid
= mpt3sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_cb_idx
);
2852 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
2855 INIT_LIST_HEAD(&delayed_tr
->list
);
2856 delayed_tr
->handle
= handle
;
2857 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
2858 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2859 "DELAYED:tr:handle(0x%04x), (open)\n",
2860 ioc
->name
, handle
));
2864 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2865 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
2866 ioc
->name
, handle
, smid
,
2867 ioc
->tm_tr_cb_idx
));
2868 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
2869 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2870 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2871 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2872 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
2873 mpt3sas_base_put_smid_hi_priority(ioc
, smid
);
2874 mpt3sas_trigger_master(ioc
, MASTER_TRIGGER_DEVICE_REMOVAL
);
2878 * _scsih_tm_tr_complete -
2879 * @ioc: per adapter object
2880 * @smid: system request message index
2881 * @msix_index: MSIX table index supplied by the OS
2882 * @reply: reply message frame(lower 32bit addr)
2883 * Context: interrupt time.
2885 * This is the target reset completion routine.
2886 * This code is part of the code to initiate the device removal
2887 * handshake protocol with controller firmware.
2888 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
2890 * Return 1 meaning mf should be freed from _base_interrupt
2891 * 0 means the mf is freed from this function.
2894 _scsih_tm_tr_complete(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
2898 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
2899 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
2900 mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
2901 Mpi2SasIoUnitControlRequest_t
*mpi_request
;
2905 if (ioc
->remove_host
) {
2906 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2907 "%s: host has been removed\n", __func__
, ioc
->name
));
2909 } else if (ioc
->pci_error_recovery
) {
2910 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2911 "%s: host in pci error recovery\n", __func__
,
2915 ioc_state
= mpt3sas_base_get_iocstate(ioc
, 1);
2916 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
2917 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2918 "%s: host is not operational\n", __func__
, ioc
->name
));
2921 if (unlikely(!mpi_reply
)) {
2922 pr_err(MPT3SAS_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
2923 ioc
->name
, __FILE__
, __LINE__
, __func__
);
2926 mpi_request_tm
= mpt3sas_base_get_msg_frame(ioc
, smid
);
2927 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
2928 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
2929 dewtprintk(ioc
, pr_err(MPT3SAS_FMT
2930 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
2932 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
2936 mpt3sas_trigger_master(ioc
, MASTER_TRIGGER_TASK_MANAGMENT
);
2937 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2938 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
2939 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
2940 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
2941 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2942 le32_to_cpu(mpi_reply
->TerminationCount
)));
2944 smid_sas_ctrl
= mpt3sas_base_get_smid(ioc
, ioc
->tm_sas_control_cb_idx
);
2945 if (!smid_sas_ctrl
) {
2946 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
2947 ioc
->name
, __func__
);
2951 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2952 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
2953 ioc
->name
, handle
, smid_sas_ctrl
,
2954 ioc
->tm_sas_control_cb_idx
));
2955 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid_sas_ctrl
);
2956 memset(mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
2957 mpi_request
->Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
2958 mpi_request
->Operation
= MPI2_SAS_OP_REMOVE_DEVICE
;
2959 mpi_request
->DevHandle
= mpi_request_tm
->DevHandle
;
2960 mpt3sas_base_put_smid_default(ioc
, smid_sas_ctrl
);
2962 return _scsih_check_for_pending_tm(ioc
, smid
);
2967 * _scsih_sas_control_complete - completion routine
2968 * @ioc: per adapter object
2969 * @smid: system request message index
2970 * @msix_index: MSIX table index supplied by the OS
2971 * @reply: reply message frame(lower 32bit addr)
2972 * Context: interrupt time.
2974 * This is the sas iounit control completion routine.
2975 * This code is part of the code to initiate the device removal
2976 * handshake protocol with controller firmware.
2978 * Return 1 meaning mf should be freed from _base_interrupt
2979 * 0 means the mf is freed from this function.
2982 _scsih_sas_control_complete(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
,
2983 u8 msix_index
, u32 reply
)
2985 Mpi2SasIoUnitControlReply_t
*mpi_reply
=
2986 mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
2988 if (likely(mpi_reply
)) {
2989 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
2990 "sc_complete:handle(0x%04x), (open) "
2991 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
2992 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
), smid
,
2993 le16_to_cpu(mpi_reply
->IOCStatus
),
2994 le32_to_cpu(mpi_reply
->IOCLogInfo
)));
2996 pr_err(MPT3SAS_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
2997 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3003 * _scsih_tm_tr_volume_send - send target reset request for volumes
3004 * @ioc: per adapter object
3005 * @handle: device handle
3006 * Context: interrupt time.
3008 * This is designed to send muliple task management request at the same
3009 * time to the fifo. If the fifo is full, we will append the request,
3010 * and process it in a future completion.
3013 _scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3015 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
3017 struct _tr_list
*delayed_tr
;
3019 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3020 ioc
->pci_error_recovery
) {
3021 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3022 "%s: host reset in progress!\n",
3023 __func__
, ioc
->name
));
3027 smid
= mpt3sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_volume_cb_idx
);
3029 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3032 INIT_LIST_HEAD(&delayed_tr
->list
);
3033 delayed_tr
->handle
= handle
;
3034 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_volume_list
);
3035 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3036 "DELAYED:tr:handle(0x%04x), (open)\n",
3037 ioc
->name
, handle
));
3041 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3042 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3043 ioc
->name
, handle
, smid
,
3044 ioc
->tm_tr_volume_cb_idx
));
3045 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
3046 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
3047 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
3048 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3049 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
3050 mpt3sas_base_put_smid_hi_priority(ioc
, smid
);
3054 * _scsih_tm_volume_tr_complete - target reset completion
3055 * @ioc: per adapter object
3056 * @smid: system request message index
3057 * @msix_index: MSIX table index supplied by the OS
3058 * @reply: reply message frame(lower 32bit addr)
3059 * Context: interrupt time.
3061 * Return 1 meaning mf should be freed from _base_interrupt
3062 * 0 means the mf is freed from this function.
3065 _scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
,
3066 u8 msix_index
, u32 reply
)
3069 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
3070 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
3071 mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
3073 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3074 ioc
->pci_error_recovery
) {
3075 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3076 "%s: host reset in progress!\n",
3077 __func__
, ioc
->name
));
3080 if (unlikely(!mpi_reply
)) {
3081 pr_err(MPT3SAS_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3082 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3086 mpi_request_tm
= mpt3sas_base_get_msg_frame(ioc
, smid
);
3087 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
3088 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
3089 dewtprintk(ioc
, pr_err(MPT3SAS_FMT
3090 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3092 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
3096 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3097 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3098 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
3099 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
3100 le32_to_cpu(mpi_reply
->IOCLogInfo
),
3101 le32_to_cpu(mpi_reply
->TerminationCount
)));
3103 return _scsih_check_for_pending_tm(ioc
, smid
);
3108 * _scsih_check_for_pending_tm - check for pending task management
3109 * @ioc: per adapter object
3110 * @smid: system request message index
3112 * This will check delayed target reset list, and feed the
3115 * Return 1 meaning mf should be freed from _base_interrupt
3116 * 0 means the mf is freed from this function.
3119 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
)
3121 struct _tr_list
*delayed_tr
;
3123 if (!list_empty(&ioc
->delayed_tr_volume_list
)) {
3124 delayed_tr
= list_entry(ioc
->delayed_tr_volume_list
.next
,
3125 struct _tr_list
, list
);
3126 mpt3sas_base_free_smid(ioc
, smid
);
3127 _scsih_tm_tr_volume_send(ioc
, delayed_tr
->handle
);
3128 list_del(&delayed_tr
->list
);
3133 if (!list_empty(&ioc
->delayed_tr_list
)) {
3134 delayed_tr
= list_entry(ioc
->delayed_tr_list
.next
,
3135 struct _tr_list
, list
);
3136 mpt3sas_base_free_smid(ioc
, smid
);
3137 _scsih_tm_tr_send(ioc
, delayed_tr
->handle
);
3138 list_del(&delayed_tr
->list
);
3147 * _scsih_check_topo_delete_events - sanity check on topo events
3148 * @ioc: per adapter object
3149 * @event_data: the event data payload
3151 * This routine added to better handle cable breaker.
3153 * This handles the case where driver receives multiple expander
3154 * add and delete events in a single shot. When there is a delete event
3155 * the routine will void any pending add events waiting in the event queue.
3160 _scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER
*ioc
,
3161 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
3163 struct fw_event_work
*fw_event
;
3164 Mpi2EventDataSasTopologyChangeList_t
*local_event_data
;
3165 u16 expander_handle
;
3166 struct _sas_node
*sas_expander
;
3167 unsigned long flags
;
3171 for (i
= 0 ; i
< event_data
->NumEntries
; i
++) {
3172 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
3175 reason_code
= event_data
->PHY
[i
].PhyStatus
&
3176 MPI2_EVENT_SAS_TOPO_RC_MASK
;
3177 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
)
3178 _scsih_tm_tr_send(ioc
, handle
);
3181 expander_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
3182 if (expander_handle
< ioc
->sas_hba
.num_phys
) {
3183 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3186 if (event_data
->ExpStatus
==
3187 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
) {
3188 /* put expander attached devices into blocking state */
3189 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
3190 sas_expander
= mpt3sas_scsih_expander_find_by_handle(ioc
,
3192 _scsih_block_io_to_children_attached_to_ex(ioc
, sas_expander
);
3193 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
3195 handle
= find_first_bit(ioc
->blocking_handles
,
3196 ioc
->facts
.MaxDevHandle
);
3197 if (handle
< ioc
->facts
.MaxDevHandle
)
3198 _scsih_block_io_device(ioc
, handle
);
3199 } while (test_and_clear_bit(handle
, ioc
->blocking_handles
));
3200 } else if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_RESPONDING
)
3201 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3203 if (event_data
->ExpStatus
!= MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
)
3206 /* mark ignore flag for pending events */
3207 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
3208 list_for_each_entry(fw_event
, &ioc
->fw_event_list
, list
) {
3209 if (fw_event
->event
!= MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
||
3212 local_event_data
= (Mpi2EventDataSasTopologyChangeList_t
*)
3213 fw_event
->event_data
;
3214 if (local_event_data
->ExpStatus
==
3215 MPI2_EVENT_SAS_TOPO_ES_ADDED
||
3216 local_event_data
->ExpStatus
==
3217 MPI2_EVENT_SAS_TOPO_ES_RESPONDING
) {
3218 if (le16_to_cpu(local_event_data
->ExpanderDevHandle
) ==
3220 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3221 "setting ignoring flag\n", ioc
->name
));
3222 fw_event
->ignore
= 1;
3226 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
3230 * _scsih_set_volume_delete_flag - setting volume delete flag
3231 * @ioc: per adapter object
3232 * @handle: device handle
3234 * This returns nothing.
3237 _scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3239 struct _raid_device
*raid_device
;
3240 struct MPT3SAS_TARGET
*sas_target_priv_data
;
3241 unsigned long flags
;
3243 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
3244 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
3245 if (raid_device
&& raid_device
->starget
&&
3246 raid_device
->starget
->hostdata
) {
3247 sas_target_priv_data
=
3248 raid_device
->starget
->hostdata
;
3249 sas_target_priv_data
->deleted
= 1;
3250 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3251 "setting delete flag: handle(0x%04x), "
3252 "wwid(0x%016llx)\n", ioc
->name
, handle
,
3253 (unsigned long long) raid_device
->wwid
));
3255 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
3259 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3260 * @handle: input handle
3261 * @a: handle for volume a
3262 * @b: handle for volume b
3264 * IR firmware only supports two raid volumes. The purpose of this
3265 * routine is to set the volume handle in either a or b. When the given
3266 * input handle is non-zero, or when a and b have not been set before.
3269 _scsih_set_volume_handle_for_tr(u16 handle
, u16
*a
, u16
*b
)
3271 if (!handle
|| handle
== *a
|| handle
== *b
)
3280 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3281 * @ioc: per adapter object
3282 * @event_data: the event data payload
3283 * Context: interrupt time.
3285 * This routine will send target reset to volume, followed by target
3286 * resets to the PDs. This is called when a PD has been removed, or
3287 * volume has been deleted or removed. When the target reset is sent
3288 * to volume, the PD target resets need to be queued to start upon
3289 * completion of the volume target reset.
3294 _scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER
*ioc
,
3295 Mpi2EventDataIrConfigChangeList_t
*event_data
)
3297 Mpi2EventIrConfigElement_t
*element
;
3299 u16 handle
, volume_handle
, a
, b
;
3300 struct _tr_list
*delayed_tr
;
3305 /* Volume Resets for Deleted or Removed */
3306 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3307 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3308 if (le32_to_cpu(event_data
->Flags
) &
3309 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
)
3311 if (element
->ReasonCode
==
3312 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
||
3313 element
->ReasonCode
==
3314 MPI2_EVENT_IR_CHANGE_RC_REMOVED
) {
3315 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3316 _scsih_set_volume_delete_flag(ioc
, volume_handle
);
3317 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3321 /* Volume Resets for UNHIDE events */
3322 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3323 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3324 if (le32_to_cpu(event_data
->Flags
) &
3325 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
)
3327 if (element
->ReasonCode
== MPI2_EVENT_IR_CHANGE_RC_UNHIDE
) {
3328 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3329 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3334 _scsih_tm_tr_volume_send(ioc
, a
);
3336 _scsih_tm_tr_volume_send(ioc
, b
);
3338 /* PD target resets */
3339 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3340 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3341 if (element
->ReasonCode
!= MPI2_EVENT_IR_CHANGE_RC_UNHIDE
)
3343 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
3344 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3345 clear_bit(handle
, ioc
->pd_handles
);
3347 _scsih_tm_tr_send(ioc
, handle
);
3348 else if (volume_handle
== a
|| volume_handle
== b
) {
3349 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3350 BUG_ON(!delayed_tr
);
3351 INIT_LIST_HEAD(&delayed_tr
->list
);
3352 delayed_tr
->handle
= handle
;
3353 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3354 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3355 "DELAYED:tr:handle(0x%04x), (open)\n", ioc
->name
,
3358 _scsih_tm_tr_send(ioc
, handle
);
3364 * _scsih_check_volume_delete_events - set delete flag for volumes
3365 * @ioc: per adapter object
3366 * @event_data: the event data payload
3367 * Context: interrupt time.
3369 * This will handle the case when the cable connected to entire volume is
3370 * pulled. We will take care of setting the deleted flag so normal IO will
3376 _scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER
*ioc
,
3377 Mpi2EventDataIrVolume_t
*event_data
)
3381 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
3383 state
= le32_to_cpu(event_data
->NewValue
);
3384 if (state
== MPI2_RAID_VOL_STATE_MISSING
|| state
==
3385 MPI2_RAID_VOL_STATE_FAILED
)
3386 _scsih_set_volume_delete_flag(ioc
,
3387 le16_to_cpu(event_data
->VolDevHandle
));
3391 * _scsih_flush_running_cmds - completing outstanding commands.
3392 * @ioc: per adapter object
3394 * The flushing out of all pending scmd commands following host reset,
3395 * where all IO is dropped to the floor.
3400 _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER
*ioc
)
3402 struct scsi_cmnd
*scmd
;
3406 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
3407 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
3411 mpt3sas_base_free_smid(ioc
, smid
);
3412 scsi_dma_unmap(scmd
);
3413 if (ioc
->pci_error_recovery
)
3414 scmd
->result
= DID_NO_CONNECT
<< 16;
3416 scmd
->result
= DID_RESET
<< 16;
3417 scmd
->scsi_done(scmd
);
3419 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
"completing %d cmds\n",
3424 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3425 * @ioc: per adapter object
3426 * @scmd: pointer to scsi command object
3427 * @mpi_request: pointer to the SCSI_IO reqest message frame
3429 * Supporting protection 1 and 3.
3434 _scsih_setup_eedp(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
3435 Mpi2SCSIIORequest_t
*mpi_request
)
3438 unsigned char prot_op
= scsi_get_prot_op(scmd
);
3439 unsigned char prot_type
= scsi_get_prot_type(scmd
);
3440 Mpi25SCSIIORequest_t
*mpi_request_3v
=
3441 (Mpi25SCSIIORequest_t
*)mpi_request
;
3443 if (prot_type
== SCSI_PROT_DIF_TYPE0
|| prot_op
== SCSI_PROT_NORMAL
)
3446 if (prot_op
== SCSI_PROT_READ_STRIP
)
3447 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
;
3448 else if (prot_op
== SCSI_PROT_WRITE_INSERT
)
3449 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
;
3453 switch (prot_type
) {
3454 case SCSI_PROT_DIF_TYPE1
:
3455 case SCSI_PROT_DIF_TYPE2
:
3458 * enable ref/guard checking
3459 * auto increment ref tag
3461 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG
|
3462 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG
|
3463 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3464 mpi_request
->CDB
.EEDP32
.PrimaryReferenceTag
=
3465 cpu_to_be32(scsi_get_lba(scmd
));
3468 case SCSI_PROT_DIF_TYPE3
:
3471 * enable guard checking
3473 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3478 mpi_request_3v
->EEDPBlockSize
=
3479 cpu_to_le16(scmd
->device
->sector_size
);
3480 mpi_request
->EEDPFlags
= cpu_to_le16(eedp_flags
);
3484 * _scsih_eedp_error_handling - return sense code for EEDP errors
3485 * @scmd: pointer to scsi command object
3486 * @ioc_status: ioc status
3491 _scsih_eedp_error_handling(struct scsi_cmnd
*scmd
, u16 ioc_status
)
3495 switch (ioc_status
) {
3496 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3499 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3502 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3509 scsi_build_sense_buffer(0, scmd
->sense_buffer
, ILLEGAL_REQUEST
, 0x10,
3511 scmd
->result
= DRIVER_SENSE
<< 24 | (DID_ABORT
<< 16) |
3512 SAM_STAT_CHECK_CONDITION
;
3517 * _scsih_qcmd - main scsi request entry point
3518 * @scmd: pointer to scsi command object
3519 * @done: function pointer to be invoked on completion
3521 * The callback index is set inside `ioc->scsi_io_cb_idx`.
3523 * Returns 0 on success. If there's a failure, return either:
3524 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
3525 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
3528 _scsih_qcmd(struct Scsi_Host
*shost
, struct scsi_cmnd
*scmd
)
3530 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
3531 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
3532 struct MPT3SAS_TARGET
*sas_target_priv_data
;
3533 Mpi2SCSIIORequest_t
*mpi_request
;
3538 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
3539 if (ioc
->logging_level
& MPT_DEBUG_SCSI
)
3540 scsi_print_command(scmd
);
3543 sas_device_priv_data
= scmd
->device
->hostdata
;
3544 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
3545 scmd
->result
= DID_NO_CONNECT
<< 16;
3546 scmd
->scsi_done(scmd
);
3550 if (ioc
->pci_error_recovery
|| ioc
->remove_host
) {
3551 scmd
->result
= DID_NO_CONNECT
<< 16;
3552 scmd
->scsi_done(scmd
);
3556 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
3558 /* invalid device handle */
3559 handle
= sas_target_priv_data
->handle
;
3560 if (handle
== MPT3SAS_INVALID_DEVICE_HANDLE
) {
3561 scmd
->result
= DID_NO_CONNECT
<< 16;
3562 scmd
->scsi_done(scmd
);
3567 /* host recovery or link resets sent via IOCTLs */
3568 if (ioc
->shost_recovery
|| ioc
->ioc_link_reset_in_progress
)
3569 return SCSI_MLQUEUE_HOST_BUSY
;
3571 /* device has been deleted */
3572 else if (sas_target_priv_data
->deleted
) {
3573 scmd
->result
= DID_NO_CONNECT
<< 16;
3574 scmd
->scsi_done(scmd
);
3576 /* device busy with task managment */
3577 } else if (sas_target_priv_data
->tm_busy
||
3578 sas_device_priv_data
->block
)
3579 return SCSI_MLQUEUE_DEVICE_BUSY
;
3581 if (scmd
->sc_data_direction
== DMA_FROM_DEVICE
)
3582 mpi_control
= MPI2_SCSIIO_CONTROL_READ
;
3583 else if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
3584 mpi_control
= MPI2_SCSIIO_CONTROL_WRITE
;
3586 mpi_control
= MPI2_SCSIIO_CONTROL_NODATATRANSFER
;
3589 if (!(sas_device_priv_data
->flags
& MPT_DEVICE_FLAGS_INIT
)) {
3590 if (scmd
->device
->tagged_supported
) {
3591 if (scmd
->device
->ordered_tags
)
3592 mpi_control
|= MPI2_SCSIIO_CONTROL_ORDEREDQ
;
3594 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3596 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3598 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3600 if ((sas_device_priv_data
->flags
& MPT_DEVICE_TLR_ON
) &&
3601 scmd
->cmd_len
!= 32)
3602 mpi_control
|= MPI2_SCSIIO_CONTROL_TLR_ON
;
3604 smid
= mpt3sas_base_get_smid_scsiio(ioc
, ioc
->scsi_io_cb_idx
, scmd
);
3606 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
3607 ioc
->name
, __func__
);
3610 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
3611 memset(mpi_request
, 0, sizeof(Mpi2SCSIIORequest_t
));
3612 _scsih_setup_eedp(ioc
, scmd
, mpi_request
);
3614 if (scmd
->cmd_len
== 32)
3615 mpi_control
|= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT
;
3616 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
3617 if (sas_device_priv_data
->sas_target
->flags
&
3618 MPT_TARGET_FLAGS_RAID_COMPONENT
)
3619 mpi_request
->Function
= MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
3621 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
3622 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3623 mpi_request
->DataLength
= cpu_to_le32(scsi_bufflen(scmd
));
3624 mpi_request
->Control
= cpu_to_le32(mpi_control
);
3625 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
);
3626 mpi_request
->MsgFlags
= MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR
;
3627 mpi_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
3628 mpi_request
->SenseBufferLowAddress
=
3629 mpt3sas_base_get_sense_buffer_dma(ioc
, smid
);
3630 mpi_request
->SGLOffset0
= offsetof(Mpi2SCSIIORequest_t
, SGL
) / 4;
3631 int_to_scsilun(sas_device_priv_data
->lun
, (struct scsi_lun
*)
3633 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
3635 if (mpi_request
->DataLength
) {
3636 if (ioc
->build_sg_scmd(ioc
, scmd
, smid
)) {
3637 mpt3sas_base_free_smid(ioc
, smid
);
3641 ioc
->build_zero_len_sge(ioc
, &mpi_request
->SGL
);
3643 if (likely(mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
)) {
3644 if (sas_target_priv_data
->flags
& MPT_TARGET_FASTPATH_IO
) {
3645 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
|
3646 MPI25_SCSIIO_IOFLAGS_FAST_PATH
);
3647 mpt3sas_base_put_smid_fast_path(ioc
, smid
, handle
);
3649 mpt3sas_base_put_smid_scsi_io(ioc
, smid
, handle
);
3651 mpt3sas_base_put_smid_default(ioc
, smid
);
3655 return SCSI_MLQUEUE_HOST_BUSY
;
3659 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
3660 * @sense_buffer: sense data returned by target
3661 * @data: normalized skey/asc/ascq
3666 _scsih_normalize_sense(char *sense_buffer
, struct sense_info
*data
)
3668 if ((sense_buffer
[0] & 0x7F) >= 0x72) {
3669 /* descriptor format */
3670 data
->skey
= sense_buffer
[1] & 0x0F;
3671 data
->asc
= sense_buffer
[2];
3672 data
->ascq
= sense_buffer
[3];
3675 data
->skey
= sense_buffer
[2] & 0x0F;
3676 data
->asc
= sense_buffer
[12];
3677 data
->ascq
= sense_buffer
[13];
3681 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
3683 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
3684 * @ioc: per adapter object
3685 * @scmd: pointer to scsi command object
3686 * @mpi_reply: reply mf payload returned from firmware
3688 * scsi_status - SCSI Status code returned from target device
3689 * scsi_state - state info associated with SCSI_IO determined by ioc
3690 * ioc_status - ioc supplied status info
3695 _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
3696 Mpi2SCSIIOReply_t
*mpi_reply
, u16 smid
)
3700 u16 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) &
3701 MPI2_IOCSTATUS_MASK
;
3702 u8 scsi_state
= mpi_reply
->SCSIState
;
3703 u8 scsi_status
= mpi_reply
->SCSIStatus
;
3704 char *desc_ioc_state
= NULL
;
3705 char *desc_scsi_status
= NULL
;
3706 char *desc_scsi_state
= ioc
->tmp_string
;
3707 u32 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
3708 struct _sas_device
*sas_device
= NULL
;
3709 unsigned long flags
;
3710 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
3711 struct MPT3SAS_TARGET
*priv_target
= starget
->hostdata
;
3712 char *device_str
= NULL
;
3716 device_str
= "volume";
3718 if (log_info
== 0x31170000)
3721 switch (ioc_status
) {
3722 case MPI2_IOCSTATUS_SUCCESS
:
3723 desc_ioc_state
= "success";
3725 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
3726 desc_ioc_state
= "invalid function";
3728 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
3729 desc_ioc_state
= "scsi recovered error";
3731 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE
:
3732 desc_ioc_state
= "scsi invalid dev handle";
3734 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
3735 desc_ioc_state
= "scsi device not there";
3737 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
3738 desc_ioc_state
= "scsi data overrun";
3740 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
3741 desc_ioc_state
= "scsi data underrun";
3743 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
3744 desc_ioc_state
= "scsi io data error";
3746 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
3747 desc_ioc_state
= "scsi protocol error";
3749 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
3750 desc_ioc_state
= "scsi task terminated";
3752 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
3753 desc_ioc_state
= "scsi residual mismatch";
3755 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
3756 desc_ioc_state
= "scsi task mgmt failed";
3758 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
3759 desc_ioc_state
= "scsi ioc terminated";
3761 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
3762 desc_ioc_state
= "scsi ext terminated";
3764 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3765 desc_ioc_state
= "eedp guard error";
3767 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3768 desc_ioc_state
= "eedp ref tag error";
3770 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3771 desc_ioc_state
= "eedp app tag error";
3774 desc_ioc_state
= "unknown";
3778 switch (scsi_status
) {
3779 case MPI2_SCSI_STATUS_GOOD
:
3780 desc_scsi_status
= "good";
3782 case MPI2_SCSI_STATUS_CHECK_CONDITION
:
3783 desc_scsi_status
= "check condition";
3785 case MPI2_SCSI_STATUS_CONDITION_MET
:
3786 desc_scsi_status
= "condition met";
3788 case MPI2_SCSI_STATUS_BUSY
:
3789 desc_scsi_status
= "busy";
3791 case MPI2_SCSI_STATUS_INTERMEDIATE
:
3792 desc_scsi_status
= "intermediate";
3794 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET
:
3795 desc_scsi_status
= "intermediate condmet";
3797 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT
:
3798 desc_scsi_status
= "reservation conflict";
3800 case MPI2_SCSI_STATUS_COMMAND_TERMINATED
:
3801 desc_scsi_status
= "command terminated";
3803 case MPI2_SCSI_STATUS_TASK_SET_FULL
:
3804 desc_scsi_status
= "task set full";
3806 case MPI2_SCSI_STATUS_ACA_ACTIVE
:
3807 desc_scsi_status
= "aca active";
3809 case MPI2_SCSI_STATUS_TASK_ABORTED
:
3810 desc_scsi_status
= "task aborted";
3813 desc_scsi_status
= "unknown";
3817 desc_scsi_state
[0] = '\0';
3819 desc_scsi_state
= " ";
3820 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
3821 strcat(desc_scsi_state
, "response info ");
3822 if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
3823 strcat(desc_scsi_state
, "state terminated ");
3824 if (scsi_state
& MPI2_SCSI_STATE_NO_SCSI_STATUS
)
3825 strcat(desc_scsi_state
, "no status ");
3826 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_FAILED
)
3827 strcat(desc_scsi_state
, "autosense failed ");
3828 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
)
3829 strcat(desc_scsi_state
, "autosense valid ");
3831 scsi_print_command(scmd
);
3833 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
3834 pr_warn(MPT3SAS_FMT
"\t%s wwid(0x%016llx)\n", ioc
->name
,
3835 device_str
, (unsigned long long)priv_target
->sas_address
);
3837 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3838 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
3839 priv_target
->sas_address
);
3842 "\tsas_address(0x%016llx), phy(%d)\n",
3843 ioc
->name
, (unsigned long long)
3844 sas_device
->sas_address
, sas_device
->phy
);
3846 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
3847 ioc
->name
, (unsigned long long)
3848 sas_device
->enclosure_logical_id
, sas_device
->slot
);
3850 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3854 "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
3855 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
),
3856 desc_ioc_state
, ioc_status
, smid
);
3858 "\trequest_len(%d), underflow(%d), resid(%d)\n",
3859 ioc
->name
, scsi_bufflen(scmd
), scmd
->underflow
,
3860 scsi_get_resid(scmd
));
3862 "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
3863 ioc
->name
, le16_to_cpu(mpi_reply
->TaskTag
),
3864 le32_to_cpu(mpi_reply
->TransferCount
), scmd
->result
);
3866 "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
3867 ioc
->name
, desc_scsi_status
,
3868 scsi_status
, desc_scsi_state
, scsi_state
);
3870 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
3871 struct sense_info data
;
3872 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
3874 "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
3875 ioc
->name
, data
.skey
,
3876 data
.asc
, data
.ascq
, le32_to_cpu(mpi_reply
->SenseCount
));
3879 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
) {
3880 response_info
= le32_to_cpu(mpi_reply
->ResponseInfo
);
3881 response_bytes
= (u8
*)&response_info
;
3882 _scsih_response_code(ioc
, response_bytes
[0]);
3888 * _scsih_turn_on_fault_led - illuminate Fault LED
3889 * @ioc: per adapter object
3890 * @handle: device handle
3896 _scsih_turn_on_fault_led(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3898 Mpi2SepReply_t mpi_reply
;
3899 Mpi2SepRequest_t mpi_request
;
3901 memset(&mpi_request
, 0, sizeof(Mpi2SepRequest_t
));
3902 mpi_request
.Function
= MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
;
3903 mpi_request
.Action
= MPI2_SEP_REQ_ACTION_WRITE_STATUS
;
3904 mpi_request
.SlotStatus
=
3905 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT
);
3906 mpi_request
.DevHandle
= cpu_to_le16(handle
);
3907 mpi_request
.Flags
= MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS
;
3908 if ((mpt3sas_base_scsi_enclosure_processor(ioc
, &mpi_reply
,
3909 &mpi_request
)) != 0) {
3910 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
3911 __FILE__
, __LINE__
, __func__
);
3915 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
) {
3916 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
3917 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
3918 ioc
->name
, le16_to_cpu(mpi_reply
.IOCStatus
),
3919 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
3925 * _scsih_send_event_to_turn_on_fault_led - fire delayed event
3926 * @ioc: per adapter object
3927 * @handle: device handle
3928 * Context: interrupt.
3933 _scsih_send_event_to_turn_on_fault_led(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3935 struct fw_event_work
*fw_event
;
3937 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
3940 fw_event
->event
= MPT3SAS_TURN_ON_FAULT_LED
;
3941 fw_event
->device_handle
= handle
;
3942 fw_event
->ioc
= ioc
;
3943 _scsih_fw_event_add(ioc
, fw_event
);
3947 * _scsih_smart_predicted_fault - process smart errors
3948 * @ioc: per adapter object
3949 * @handle: device handle
3950 * Context: interrupt.
3955 _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
3957 struct scsi_target
*starget
;
3958 struct MPT3SAS_TARGET
*sas_target_priv_data
;
3959 Mpi2EventNotificationReply_t
*event_reply
;
3960 Mpi2EventDataSasDeviceStatusChange_t
*event_data
;
3961 struct _sas_device
*sas_device
;
3963 unsigned long flags
;
3965 /* only handle non-raid devices */
3966 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3967 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
3969 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3972 starget
= sas_device
->starget
;
3973 sas_target_priv_data
= starget
->hostdata
;
3975 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) ||
3976 ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))) {
3977 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3980 starget_printk(KERN_WARNING
, starget
, "predicted fault\n");
3981 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3983 if (ioc
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_IBM
)
3984 _scsih_send_event_to_turn_on_fault_led(ioc
, handle
);
3986 /* insert into event log */
3987 sz
= offsetof(Mpi2EventNotificationReply_t
, EventData
) +
3988 sizeof(Mpi2EventDataSasDeviceStatusChange_t
);
3989 event_reply
= kzalloc(sz
, GFP_KERNEL
);
3991 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
3992 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3996 event_reply
->Function
= MPI2_FUNCTION_EVENT_NOTIFICATION
;
3997 event_reply
->Event
=
3998 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
);
3999 event_reply
->MsgLength
= sz
/4;
4000 event_reply
->EventDataLength
=
4001 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t
)/4);
4002 event_data
= (Mpi2EventDataSasDeviceStatusChange_t
*)
4003 event_reply
->EventData
;
4004 event_data
->ReasonCode
= MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
;
4005 event_data
->ASC
= 0x5D;
4006 event_data
->DevHandle
= cpu_to_le16(handle
);
4007 event_data
->SASAddress
= cpu_to_le64(sas_target_priv_data
->sas_address
);
4008 mpt3sas_ctl_add_to_event_log(ioc
, event_reply
);
4013 * _scsih_io_done - scsi request callback
4014 * @ioc: per adapter object
4015 * @smid: system request message index
4016 * @msix_index: MSIX table index supplied by the OS
4017 * @reply: reply message frame(lower 32bit addr)
4019 * Callback handler when using _scsih_qcmd.
4021 * Return 1 meaning mf should be freed from _base_interrupt
4022 * 0 means the mf is freed from this function.
4025 _scsih_io_done(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
4027 Mpi2SCSIIORequest_t
*mpi_request
;
4028 Mpi2SCSIIOReply_t
*mpi_reply
;
4029 struct scsi_cmnd
*scmd
;
4035 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
4036 u32 response_code
= 0;
4038 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
4039 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
4043 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
4045 if (mpi_reply
== NULL
) {
4046 scmd
->result
= DID_OK
<< 16;
4050 sas_device_priv_data
= scmd
->device
->hostdata
;
4051 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
||
4052 sas_device_priv_data
->sas_target
->deleted
) {
4053 scmd
->result
= DID_NO_CONNECT
<< 16;
4056 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
4058 /* turning off TLR */
4059 scsi_state
= mpi_reply
->SCSIState
;
4060 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
4062 le32_to_cpu(mpi_reply
->ResponseInfo
) & 0xFF;
4063 if (!sas_device_priv_data
->tlr_snoop_check
) {
4064 sas_device_priv_data
->tlr_snoop_check
++;
4065 if ((sas_device_priv_data
->flags
& MPT_DEVICE_TLR_ON
) &&
4066 response_code
== MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
)
4067 sas_device_priv_data
->flags
&=
4071 xfer_cnt
= le32_to_cpu(mpi_reply
->TransferCount
);
4072 scsi_set_resid(scmd
, scsi_bufflen(scmd
) - xfer_cnt
);
4073 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
4074 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
4077 ioc_status
&= MPI2_IOCSTATUS_MASK
;
4078 scsi_status
= mpi_reply
->SCSIStatus
;
4080 if (ioc_status
== MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
&& xfer_cnt
== 0 &&
4081 (scsi_status
== MPI2_SCSI_STATUS_BUSY
||
4082 scsi_status
== MPI2_SCSI_STATUS_RESERVATION_CONFLICT
||
4083 scsi_status
== MPI2_SCSI_STATUS_TASK_SET_FULL
)) {
4084 ioc_status
= MPI2_IOCSTATUS_SUCCESS
;
4087 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
4088 struct sense_info data
;
4089 const void *sense_data
= mpt3sas_base_get_sense_buffer(ioc
,
4091 u32 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
4092 le32_to_cpu(mpi_reply
->SenseCount
));
4093 memcpy(scmd
->sense_buffer
, sense_data
, sz
);
4094 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
4095 /* failure prediction threshold exceeded */
4096 if (data
.asc
== 0x5D)
4097 _scsih_smart_predicted_fault(ioc
,
4098 le16_to_cpu(mpi_reply
->DevHandle
));
4099 mpt3sas_trigger_scsi(ioc
, data
.skey
, data
.asc
, data
.ascq
);
4102 switch (ioc_status
) {
4103 case MPI2_IOCSTATUS_BUSY
:
4104 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES
:
4105 scmd
->result
= SAM_STAT_BUSY
;
4108 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
4109 scmd
->result
= DID_NO_CONNECT
<< 16;
4112 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
4113 if (sas_device_priv_data
->block
) {
4114 scmd
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
4117 if (log_info
== 0x31110630) {
4118 if (scmd
->retries
> 2) {
4119 scmd
->result
= DID_NO_CONNECT
<< 16;
4120 scsi_device_set_state(scmd
->device
,
4123 scmd
->result
= DID_SOFT_ERROR
<< 16;
4124 scmd
->device
->expecting_cc_ua
= 1;
4128 scmd
->result
= DID_SOFT_ERROR
<< 16;
4130 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
4131 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
4132 scmd
->result
= DID_RESET
<< 16;
4135 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
4136 if ((xfer_cnt
== 0) || (scmd
->underflow
> xfer_cnt
))
4137 scmd
->result
= DID_SOFT_ERROR
<< 16;
4139 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4142 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
4143 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4145 if ((scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
))
4148 if (xfer_cnt
< scmd
->underflow
) {
4149 if (scsi_status
== SAM_STAT_BUSY
)
4150 scmd
->result
= SAM_STAT_BUSY
;
4152 scmd
->result
= DID_SOFT_ERROR
<< 16;
4153 } else if (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4154 MPI2_SCSI_STATE_NO_SCSI_STATUS
))
4155 scmd
->result
= DID_SOFT_ERROR
<< 16;
4156 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4157 scmd
->result
= DID_RESET
<< 16;
4158 else if (!xfer_cnt
&& scmd
->cmnd
[0] == REPORT_LUNS
) {
4159 mpi_reply
->SCSIState
= MPI2_SCSI_STATE_AUTOSENSE_VALID
;
4160 mpi_reply
->SCSIStatus
= SAM_STAT_CHECK_CONDITION
;
4161 scmd
->result
= (DRIVER_SENSE
<< 24) |
4162 SAM_STAT_CHECK_CONDITION
;
4163 scmd
->sense_buffer
[0] = 0x70;
4164 scmd
->sense_buffer
[2] = ILLEGAL_REQUEST
;
4165 scmd
->sense_buffer
[12] = 0x20;
4166 scmd
->sense_buffer
[13] = 0;
4170 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
4171 scsi_set_resid(scmd
, 0);
4172 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
4173 case MPI2_IOCSTATUS_SUCCESS
:
4174 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4175 if (response_code
==
4176 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
||
4177 (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4178 MPI2_SCSI_STATE_NO_SCSI_STATUS
)))
4179 scmd
->result
= DID_SOFT_ERROR
<< 16;
4180 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4181 scmd
->result
= DID_RESET
<< 16;
4184 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
4185 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
4186 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
4187 _scsih_eedp_error_handling(scmd
, ioc_status
);
4190 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
4191 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
4192 case MPI2_IOCSTATUS_INVALID_SGL
:
4193 case MPI2_IOCSTATUS_INTERNAL_ERROR
:
4194 case MPI2_IOCSTATUS_INVALID_FIELD
:
4195 case MPI2_IOCSTATUS_INVALID_STATE
:
4196 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
4197 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
4199 scmd
->result
= DID_SOFT_ERROR
<< 16;
4204 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
4205 if (scmd
->result
&& (ioc
->logging_level
& MPT_DEBUG_REPLY
))
4206 _scsih_scsi_ioc_info(ioc
, scmd
, mpi_reply
, smid
);
4211 scsi_dma_unmap(scmd
);
4213 scmd
->scsi_done(scmd
);
4218 * _scsih_sas_host_refresh - refreshing sas host object contents
4219 * @ioc: per adapter object
4222 * During port enable, fw will send topology events for every device. Its
4223 * possible that the handles may change from the previous setting, so this
4224 * code keeping handles updating if changed.
4229 _scsih_sas_host_refresh(struct MPT3SAS_ADAPTER
*ioc
)
4234 Mpi2ConfigReply_t mpi_reply
;
4235 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4236 u16 attached_handle
;
4239 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
4240 "updating handles for sas_host(0x%016llx)\n",
4241 ioc
->name
, (unsigned long long)ioc
->sas_hba
.sas_address
));
4243 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
4244 * sizeof(Mpi2SasIOUnit0PhyData_t
));
4245 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4246 if (!sas_iounit_pg0
) {
4247 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4248 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4252 if ((mpt3sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4253 sas_iounit_pg0
, sz
)) != 0)
4255 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4256 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4258 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4259 link_rate
= sas_iounit_pg0
->PhyData
[i
].NegotiatedLinkRate
>> 4;
4261 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4262 PhyData
[0].ControllerDevHandle
);
4263 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4264 attached_handle
= le16_to_cpu(sas_iounit_pg0
->PhyData
[i
].
4266 if (attached_handle
&& link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
4267 link_rate
= MPI2_SAS_NEG_LINK_RATE_1_5
;
4268 mpt3sas_transport_update_links(ioc
, ioc
->sas_hba
.sas_address
,
4269 attached_handle
, i
, link_rate
);
4272 kfree(sas_iounit_pg0
);
4276 * _scsih_sas_host_add - create sas host object
4277 * @ioc: per adapter object
4279 * Creating host side data object, stored in ioc->sas_hba
4284 _scsih_sas_host_add(struct MPT3SAS_ADAPTER
*ioc
)
4287 Mpi2ConfigReply_t mpi_reply
;
4288 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4289 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
4290 Mpi2SasPhyPage0_t phy_pg0
;
4291 Mpi2SasDevicePage0_t sas_device_pg0
;
4292 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4295 u8 device_missing_delay
;
4297 mpt3sas_config_get_number_hba_phys(ioc
, &ioc
->sas_hba
.num_phys
);
4298 if (!ioc
->sas_hba
.num_phys
) {
4299 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4300 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4304 /* sas_iounit page 0 */
4305 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4306 sizeof(Mpi2SasIOUnit0PhyData_t
));
4307 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4308 if (!sas_iounit_pg0
) {
4309 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4310 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4313 if ((mpt3sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4314 sas_iounit_pg0
, sz
))) {
4315 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4316 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4319 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4320 MPI2_IOCSTATUS_MASK
;
4321 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4322 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4323 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4327 /* sas_iounit page 1 */
4328 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4329 sizeof(Mpi2SasIOUnit1PhyData_t
));
4330 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
4331 if (!sas_iounit_pg1
) {
4332 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4333 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4336 if ((mpt3sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
4337 sas_iounit_pg1
, sz
))) {
4338 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4339 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4342 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4343 MPI2_IOCSTATUS_MASK
;
4344 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4345 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4346 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4350 ioc
->io_missing_delay
=
4351 sas_iounit_pg1
->IODeviceMissingDelay
;
4352 device_missing_delay
=
4353 sas_iounit_pg1
->ReportDeviceMissingDelay
;
4354 if (device_missing_delay
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
4355 ioc
->device_missing_delay
= (device_missing_delay
&
4356 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
4358 ioc
->device_missing_delay
= device_missing_delay
&
4359 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
4361 ioc
->sas_hba
.parent_dev
= &ioc
->shost
->shost_gendev
;
4362 ioc
->sas_hba
.phy
= kcalloc(ioc
->sas_hba
.num_phys
,
4363 sizeof(struct _sas_phy
), GFP_KERNEL
);
4364 if (!ioc
->sas_hba
.phy
) {
4365 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4366 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4369 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4370 if ((mpt3sas_config_get_phy_pg0(ioc
, &mpi_reply
, &phy_pg0
,
4372 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4373 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4376 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4377 MPI2_IOCSTATUS_MASK
;
4378 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4379 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4380 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4385 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4386 PhyData
[0].ControllerDevHandle
);
4387 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4388 ioc
->sas_hba
.phy
[i
].phy_id
= i
;
4389 mpt3sas_transport_add_host_phy(ioc
, &ioc
->sas_hba
.phy
[i
],
4390 phy_pg0
, ioc
->sas_hba
.parent_dev
);
4392 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4393 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, ioc
->sas_hba
.handle
))) {
4394 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4395 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4398 ioc
->sas_hba
.enclosure_handle
=
4399 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4400 ioc
->sas_hba
.sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4402 "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
4403 ioc
->name
, ioc
->sas_hba
.handle
,
4404 (unsigned long long) ioc
->sas_hba
.sas_address
,
4405 ioc
->sas_hba
.num_phys
) ;
4407 if (ioc
->sas_hba
.enclosure_handle
) {
4408 if (!(mpt3sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4409 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4410 ioc
->sas_hba
.enclosure_handle
)))
4411 ioc
->sas_hba
.enclosure_logical_id
=
4412 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4416 kfree(sas_iounit_pg1
);
4417 kfree(sas_iounit_pg0
);
4421 * _scsih_expander_add - creating expander object
4422 * @ioc: per adapter object
4423 * @handle: expander handle
4425 * Creating expander object, stored in ioc->sas_expander_list.
4427 * Return 0 for success, else error.
4430 _scsih_expander_add(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
4432 struct _sas_node
*sas_expander
;
4433 Mpi2ConfigReply_t mpi_reply
;
4434 Mpi2ExpanderPage0_t expander_pg0
;
4435 Mpi2ExpanderPage1_t expander_pg1
;
4436 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4439 u64 sas_address
, sas_address_parent
= 0;
4441 unsigned long flags
;
4442 struct _sas_port
*mpt3sas_port
= NULL
;
4449 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
4452 if ((mpt3sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
4453 MPI2_SAS_EXPAND_PGAD_FORM_HNDL
, handle
))) {
4454 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4455 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4459 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4460 MPI2_IOCSTATUS_MASK
;
4461 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4462 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4463 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4467 /* handle out of order topology events */
4468 parent_handle
= le16_to_cpu(expander_pg0
.ParentDevHandle
);
4469 if (_scsih_get_sas_address(ioc
, parent_handle
, &sas_address_parent
)
4471 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4472 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4475 if (sas_address_parent
!= ioc
->sas_hba
.sas_address
) {
4476 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4477 sas_expander
= mpt3sas_scsih_expander_find_by_sas_address(ioc
,
4478 sas_address_parent
);
4479 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4480 if (!sas_expander
) {
4481 rc
= _scsih_expander_add(ioc
, parent_handle
);
4487 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4488 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
4489 sas_expander
= mpt3sas_scsih_expander_find_by_sas_address(ioc
,
4491 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4496 sas_expander
= kzalloc(sizeof(struct _sas_node
),
4498 if (!sas_expander
) {
4499 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4500 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4504 sas_expander
->handle
= handle
;
4505 sas_expander
->num_phys
= expander_pg0
.NumPhys
;
4506 sas_expander
->sas_address_parent
= sas_address_parent
;
4507 sas_expander
->sas_address
= sas_address
;
4509 pr_info(MPT3SAS_FMT
"expander_add: handle(0x%04x)," \
4510 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc
->name
,
4511 handle
, parent_handle
, (unsigned long long)
4512 sas_expander
->sas_address
, sas_expander
->num_phys
);
4514 if (!sas_expander
->num_phys
)
4516 sas_expander
->phy
= kcalloc(sas_expander
->num_phys
,
4517 sizeof(struct _sas_phy
), GFP_KERNEL
);
4518 if (!sas_expander
->phy
) {
4519 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4520 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4525 INIT_LIST_HEAD(&sas_expander
->sas_port_list
);
4526 mpt3sas_port
= mpt3sas_transport_port_add(ioc
, handle
,
4527 sas_address_parent
);
4528 if (!mpt3sas_port
) {
4529 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4530 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4534 sas_expander
->parent_dev
= &mpt3sas_port
->rphy
->dev
;
4536 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
4537 if ((mpt3sas_config_get_expander_pg1(ioc
, &mpi_reply
,
4538 &expander_pg1
, i
, handle
))) {
4539 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4540 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4544 sas_expander
->phy
[i
].handle
= handle
;
4545 sas_expander
->phy
[i
].phy_id
= i
;
4547 if ((mpt3sas_transport_add_expander_phy(ioc
,
4548 &sas_expander
->phy
[i
], expander_pg1
,
4549 sas_expander
->parent_dev
))) {
4550 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4551 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4557 if (sas_expander
->enclosure_handle
) {
4558 if (!(mpt3sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4559 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4560 sas_expander
->enclosure_handle
)))
4561 sas_expander
->enclosure_logical_id
=
4562 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4565 _scsih_expander_node_add(ioc
, sas_expander
);
4571 mpt3sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
4572 sas_address_parent
);
4573 kfree(sas_expander
);
4578 * mpt3sas_expander_remove - removing expander object
4579 * @ioc: per adapter object
4580 * @sas_address: expander sas_address
4585 mpt3sas_expander_remove(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
)
4587 struct _sas_node
*sas_expander
;
4588 unsigned long flags
;
4590 if (ioc
->shost_recovery
)
4593 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4594 sas_expander
= mpt3sas_scsih_expander_find_by_sas_address(ioc
,
4597 list_del(&sas_expander
->list
);
4598 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4600 _scsih_expander_node_remove(ioc
, sas_expander
);
4604 * _scsih_done - internal SCSI_IO callback handler.
4605 * @ioc: per adapter object
4606 * @smid: system request message index
4607 * @msix_index: MSIX table index supplied by the OS
4608 * @reply: reply message frame(lower 32bit addr)
4610 * Callback handler when sending internal generated SCSI_IO.
4611 * The callback index passed is `ioc->scsih_cb_idx`
4613 * Return 1 meaning mf should be freed from _base_interrupt
4614 * 0 means the mf is freed from this function.
4617 _scsih_done(struct MPT3SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
4619 MPI2DefaultReply_t
*mpi_reply
;
4621 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
4622 if (ioc
->scsih_cmds
.status
== MPT3_CMD_NOT_USED
)
4624 if (ioc
->scsih_cmds
.smid
!= smid
)
4626 ioc
->scsih_cmds
.status
|= MPT3_CMD_COMPLETE
;
4628 memcpy(ioc
->scsih_cmds
.reply
, mpi_reply
,
4629 mpi_reply
->MsgLength
*4);
4630 ioc
->scsih_cmds
.status
|= MPT3_CMD_REPLY_VALID
;
4632 ioc
->scsih_cmds
.status
&= ~MPT3_CMD_PENDING
;
4633 complete(&ioc
->scsih_cmds
.done
);
4640 #define MPT3_MAX_LUNS (255)
4644 * _scsih_check_access_status - check access flags
4645 * @ioc: per adapter object
4646 * @sas_address: sas address
4647 * @handle: sas device handle
4648 * @access_flags: errors returned during discovery of the device
4650 * Return 0 for success, else failure
4653 _scsih_check_access_status(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
,
4654 u16 handle
, u8 access_status
)
4659 switch (access_status
) {
4660 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS
:
4661 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION
:
4664 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED
:
4665 desc
= "sata capability failed";
4667 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT
:
4668 desc
= "sata affiliation conflict";
4670 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE
:
4671 desc
= "route not addressable";
4673 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE
:
4674 desc
= "smp error not addressable";
4676 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED
:
4677 desc
= "device blocked";
4679 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED
:
4680 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN
:
4681 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT
:
4682 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG
:
4683 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION
:
4684 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER
:
4685 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN
:
4686 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN
:
4687 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN
:
4688 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION
:
4689 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE
:
4690 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX
:
4691 desc
= "sata initialization failed";
4702 "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
4703 ioc
->name
, desc
, (unsigned long long)sas_address
, handle
);
4708 * _scsih_check_device - checking device responsiveness
4709 * @ioc: per adapter object
4710 * @parent_sas_address: sas address of parent expander or sas host
4711 * @handle: attached device handle
4712 * @phy_numberv: phy number
4713 * @link_rate: new link rate
4718 _scsih_check_device(struct MPT3SAS_ADAPTER
*ioc
,
4719 u64 parent_sas_address
, u16 handle
, u8 phy_number
, u8 link_rate
)
4721 Mpi2ConfigReply_t mpi_reply
;
4722 Mpi2SasDevicePage0_t sas_device_pg0
;
4723 struct _sas_device
*sas_device
;
4725 unsigned long flags
;
4727 struct scsi_target
*starget
;
4728 struct MPT3SAS_TARGET
*sas_target_priv_data
;
4732 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4733 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
)))
4736 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4737 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4740 /* wide port handling ~ we need only handle device once for the phy that
4741 * is matched in sas device page zero
4743 if (phy_number
!= sas_device_pg0
.PhyNum
)
4746 /* check if this is end device */
4747 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
4748 if (!(_scsih_is_end_device(device_info
)))
4751 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4752 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4753 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
4757 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4761 if (unlikely(sas_device
->handle
!= handle
)) {
4762 starget
= sas_device
->starget
;
4763 sas_target_priv_data
= starget
->hostdata
;
4764 starget_printk(KERN_INFO
, starget
,
4765 "handle changed from(0x%04x) to (0x%04x)!!!\n",
4766 sas_device
->handle
, handle
);
4767 sas_target_priv_data
->handle
= handle
;
4768 sas_device
->handle
= handle
;
4771 /* check if device is present */
4772 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
4773 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
4775 "device is not present handle(0x%04x), flags!!!\n",
4777 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4781 /* check if there were any issues with discovery */
4782 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
4783 sas_device_pg0
.AccessStatus
)) {
4784 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4788 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4789 _scsih_ublock_io_device(ioc
, sas_address
);
4794 * _scsih_add_device - creating sas device object
4795 * @ioc: per adapter object
4796 * @handle: sas device handle
4797 * @phy_num: phy number end device attached to
4798 * @is_pd: is this hidden raid component
4800 * Creating end device object, stored in ioc->sas_device_list.
4802 * Returns 0 for success, non-zero for failure.
4805 _scsih_add_device(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
, u8 phy_num
,
4808 Mpi2ConfigReply_t mpi_reply
;
4809 Mpi2SasDevicePage0_t sas_device_pg0
;
4810 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4811 struct _sas_device
*sas_device
;
4815 unsigned long flags
;
4817 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4818 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
4819 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4820 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4824 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4825 MPI2_IOCSTATUS_MASK
;
4826 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4827 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4828 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4832 /* check if this is end device */
4833 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
4834 if (!(_scsih_is_end_device(device_info
)))
4836 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4838 /* check if device is present */
4839 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
4840 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
4841 pr_err(MPT3SAS_FMT
"device is not present handle(0x04%x)!!!\n",
4846 /* check if there were any issues with discovery */
4847 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
4848 sas_device_pg0
.AccessStatus
))
4851 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4852 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
4854 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4859 sas_device
= kzalloc(sizeof(struct _sas_device
),
4862 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4863 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4867 sas_device
->handle
= handle
;
4868 if (_scsih_get_sas_address(ioc
,
4869 le16_to_cpu(sas_device_pg0
.ParentDevHandle
),
4870 &sas_device
->sas_address_parent
) != 0)
4871 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
4872 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4873 sas_device
->enclosure_handle
=
4874 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4876 le16_to_cpu(sas_device_pg0
.Slot
);
4877 sas_device
->device_info
= device_info
;
4878 sas_device
->sas_address
= sas_address
;
4879 sas_device
->phy
= sas_device_pg0
.PhyNum
;
4880 sas_device
->fast_path
= (le16_to_cpu(sas_device_pg0
.Flags
) &
4881 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE
) ? 1 : 0;
4883 /* get enclosure_logical_id */
4884 if (sas_device
->enclosure_handle
&& !(mpt3sas_config_get_enclosure_pg0(
4885 ioc
, &mpi_reply
, &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4886 sas_device
->enclosure_handle
)))
4887 sas_device
->enclosure_logical_id
=
4888 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4890 /* get device name */
4891 sas_device
->device_name
= le64_to_cpu(sas_device_pg0
.DeviceName
);
4893 if (ioc
->wait_for_discovery_to_complete
)
4894 _scsih_sas_device_init_add(ioc
, sas_device
);
4896 _scsih_sas_device_add(ioc
, sas_device
);
4902 * _scsih_remove_device - removing sas device object
4903 * @ioc: per adapter object
4904 * @sas_device_delete: the sas_device object
4909 _scsih_remove_device(struct MPT3SAS_ADAPTER
*ioc
,
4910 struct _sas_device
*sas_device
)
4912 struct MPT3SAS_TARGET
*sas_target_priv_data
;
4915 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
4916 "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
4917 ioc
->name
, __func__
,
4918 sas_device
->handle
, (unsigned long long)
4919 sas_device
->sas_address
));
4921 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
4922 sas_target_priv_data
= sas_device
->starget
->hostdata
;
4923 sas_target_priv_data
->deleted
= 1;
4924 _scsih_ublock_io_device(ioc
, sas_device
->sas_address
);
4925 sas_target_priv_data
->handle
=
4926 MPT3SAS_INVALID_DEVICE_HANDLE
;
4928 mpt3sas_transport_port_remove(ioc
,
4929 sas_device
->sas_address
,
4930 sas_device
->sas_address_parent
);
4933 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
4934 ioc
->name
, sas_device
->handle
,
4935 (unsigned long long) sas_device
->sas_address
);
4937 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
4938 "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
4939 ioc
->name
, __func__
,
4940 sas_device
->handle
, (unsigned long long)
4941 sas_device
->sas_address
));
4946 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
4948 * _scsih_sas_topology_change_event_debug - debug for topology event
4949 * @ioc: per adapter object
4950 * @event_data: event data payload
4954 _scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
4955 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
4961 char *status_str
= NULL
;
4962 u8 link_rate
, prev_link_rate
;
4964 switch (event_data
->ExpStatus
) {
4965 case MPI2_EVENT_SAS_TOPO_ES_ADDED
:
4968 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
:
4969 status_str
= "remove";
4971 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING
:
4973 status_str
= "responding";
4975 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
:
4976 status_str
= "remove delay";
4979 status_str
= "unknown status";
4982 pr_info(MPT3SAS_FMT
"sas topology change: (%s)\n",
4983 ioc
->name
, status_str
);
4984 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
4985 "start_phy(%02d), count(%d)\n",
4986 le16_to_cpu(event_data
->ExpanderDevHandle
),
4987 le16_to_cpu(event_data
->EnclosureHandle
),
4988 event_data
->StartPhyNum
, event_data
->NumEntries
);
4989 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
4990 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
4993 phy_number
= event_data
->StartPhyNum
+ i
;
4994 reason_code
= event_data
->PHY
[i
].PhyStatus
&
4995 MPI2_EVENT_SAS_TOPO_RC_MASK
;
4996 switch (reason_code
) {
4997 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
4998 status_str
= "target add";
5000 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5001 status_str
= "target remove";
5003 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
:
5004 status_str
= "delay target remove";
5006 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5007 status_str
= "link rate change";
5009 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE
:
5010 status_str
= "target responding";
5013 status_str
= "unknown";
5016 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5017 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5018 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
5019 " link rate: new(0x%02x), old(0x%02x)\n", phy_number
,
5020 handle
, status_str
, link_rate
, prev_link_rate
);
5027 * _scsih_sas_topology_change_event - handle topology changes
5028 * @ioc: per adapter object
5029 * @fw_event: The fw_event_work object
5034 _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER
*ioc
,
5035 struct fw_event_work
*fw_event
)
5038 u16 parent_handle
, handle
;
5040 u8 phy_number
, max_phys
;
5041 struct _sas_node
*sas_expander
;
5043 unsigned long flags
;
5044 u8 link_rate
, prev_link_rate
;
5045 Mpi2EventDataSasTopologyChangeList_t
*event_data
=
5046 (Mpi2EventDataSasTopologyChangeList_t
*)
5047 fw_event
->event_data
;
5049 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5050 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5051 _scsih_sas_topology_change_event_debug(ioc
, event_data
);
5054 if (ioc
->shost_recovery
|| ioc
->remove_host
|| ioc
->pci_error_recovery
)
5057 if (!ioc
->sas_hba
.num_phys
)
5058 _scsih_sas_host_add(ioc
);
5060 _scsih_sas_host_refresh(ioc
);
5062 if (fw_event
->ignore
) {
5063 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5064 "ignoring expander event\n", ioc
->name
));
5068 parent_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
5070 /* handle expander add */
5071 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_ADDED
)
5072 if (_scsih_expander_add(ioc
, parent_handle
) != 0)
5075 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5076 sas_expander
= mpt3sas_scsih_expander_find_by_handle(ioc
,
5079 sas_address
= sas_expander
->sas_address
;
5080 max_phys
= sas_expander
->num_phys
;
5081 } else if (parent_handle
< ioc
->sas_hba
.num_phys
) {
5082 sas_address
= ioc
->sas_hba
.sas_address
;
5083 max_phys
= ioc
->sas_hba
.num_phys
;
5085 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5088 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5090 /* handle siblings events */
5091 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
5092 if (fw_event
->ignore
) {
5093 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5094 "ignoring expander event\n", ioc
->name
));
5097 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
5099 phy_number
= event_data
->StartPhyNum
+ i
;
5100 if (phy_number
>= max_phys
)
5102 reason_code
= event_data
->PHY
[i
].PhyStatus
&
5103 MPI2_EVENT_SAS_TOPO_RC_MASK
;
5104 if ((event_data
->PHY
[i
].PhyStatus
&
5105 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
) && (reason_code
!=
5106 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
))
5108 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
5111 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5112 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5113 switch (reason_code
) {
5114 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5116 if (ioc
->shost_recovery
)
5119 if (link_rate
== prev_link_rate
)
5122 mpt3sas_transport_update_links(ioc
, sas_address
,
5123 handle
, phy_number
, link_rate
);
5125 if (link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
5128 _scsih_check_device(ioc
, sas_address
, handle
,
5129 phy_number
, link_rate
);
5132 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
5134 if (ioc
->shost_recovery
)
5137 mpt3sas_transport_update_links(ioc
, sas_address
,
5138 handle
, phy_number
, link_rate
);
5140 _scsih_add_device(ioc
, handle
, phy_number
, 0);
5143 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5145 _scsih_device_remove_by_handle(ioc
, handle
);
5150 /* handle expander removal */
5151 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
&&
5153 mpt3sas_expander_remove(ioc
, sas_address
);
5158 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5160 * _scsih_sas_device_status_change_event_debug - debug for device event
5161 * @event_data: event data payload
5167 _scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
5168 Mpi2EventDataSasDeviceStatusChange_t
*event_data
)
5170 char *reason_str
= NULL
;
5172 switch (event_data
->ReasonCode
) {
5173 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
:
5174 reason_str
= "smart data";
5176 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED
:
5177 reason_str
= "unsupported device discovered";
5179 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
:
5180 reason_str
= "internal device reset";
5182 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL
:
5183 reason_str
= "internal task abort";
5185 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL
:
5186 reason_str
= "internal task abort set";
5188 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL
:
5189 reason_str
= "internal clear task set";
5191 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL
:
5192 reason_str
= "internal query task";
5194 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE
:
5195 reason_str
= "sata init failure";
5197 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
:
5198 reason_str
= "internal device reset complete";
5200 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL
:
5201 reason_str
= "internal task abort complete";
5203 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION
:
5204 reason_str
= "internal async notification";
5206 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY
:
5207 reason_str
= "expander reduced functionality";
5209 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY
:
5210 reason_str
= "expander reduced functionality complete";
5213 reason_str
= "unknown reason";
5216 pr_info(MPT3SAS_FMT
"device status change: (%s)\n"
5217 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5218 ioc
->name
, reason_str
, le16_to_cpu(event_data
->DevHandle
),
5219 (unsigned long long)le64_to_cpu(event_data
->SASAddress
),
5220 le16_to_cpu(event_data
->TaskTag
));
5221 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
)
5222 pr_info(MPT3SAS_FMT
", ASC(0x%x), ASCQ(0x%x)\n", ioc
->name
,
5223 event_data
->ASC
, event_data
->ASCQ
);
5229 * _scsih_sas_device_status_change_event - handle device status change
5230 * @ioc: per adapter object
5231 * @fw_event: The fw_event_work object
5237 _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER
*ioc
,
5238 struct fw_event_work
*fw_event
)
5240 struct MPT3SAS_TARGET
*target_priv_data
;
5241 struct _sas_device
*sas_device
;
5243 unsigned long flags
;
5244 Mpi2EventDataSasDeviceStatusChange_t
*event_data
=
5245 (Mpi2EventDataSasDeviceStatusChange_t
*)
5246 fw_event
->event_data
;
5248 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5249 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5250 _scsih_sas_device_status_change_event_debug(ioc
,
5254 /* In MPI Revision K (0xC), the internal device reset complete was
5255 * implemented, so avoid setting tm_busy flag for older firmware.
5257 if ((ioc
->facts
.HeaderVersion
>> 8) < 0xC)
5260 if (event_data
->ReasonCode
!=
5261 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
&&
5262 event_data
->ReasonCode
!=
5263 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
)
5266 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5267 sas_address
= le64_to_cpu(event_data
->SASAddress
);
5268 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
5271 if (!sas_device
|| !sas_device
->starget
) {
5272 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5276 target_priv_data
= sas_device
->starget
->hostdata
;
5277 if (!target_priv_data
) {
5278 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5282 if (event_data
->ReasonCode
==
5283 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
)
5284 target_priv_data
->tm_busy
= 1;
5286 target_priv_data
->tm_busy
= 0;
5287 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5290 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5292 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
5294 * @ioc: per adapter object
5295 * @event_data: event data payload
5301 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
5302 Mpi2EventDataSasEnclDevStatusChange_t
*event_data
)
5304 char *reason_str
= NULL
;
5306 switch (event_data
->ReasonCode
) {
5307 case MPI2_EVENT_SAS_ENCL_RC_ADDED
:
5308 reason_str
= "enclosure add";
5310 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING
:
5311 reason_str
= "enclosure remove";
5314 reason_str
= "unknown reason";
5318 pr_info(MPT3SAS_FMT
"enclosure status change: (%s)\n"
5319 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5320 " number slots(%d)\n", ioc
->name
, reason_str
,
5321 le16_to_cpu(event_data
->EnclosureHandle
),
5322 (unsigned long long)le64_to_cpu(event_data
->EnclosureLogicalID
),
5323 le16_to_cpu(event_data
->StartSlot
));
5328 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5329 * @ioc: per adapter object
5330 * @fw_event: The fw_event_work object
5336 _scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER
*ioc
,
5337 struct fw_event_work
*fw_event
)
5339 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5340 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5341 _scsih_sas_enclosure_dev_status_change_event_debug(ioc
,
5342 (Mpi2EventDataSasEnclDevStatusChange_t
*)
5343 fw_event
->event_data
);
5348 * _scsih_sas_broadcast_primitive_event - handle broadcast events
5349 * @ioc: per adapter object
5350 * @fw_event: The fw_event_work object
5356 _scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER
*ioc
,
5357 struct fw_event_work
*fw_event
)
5359 struct scsi_cmnd
*scmd
;
5360 struct scsi_device
*sdev
;
5363 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
5364 u32 termination_count
;
5366 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
5367 Mpi2EventDataSasBroadcastPrimitive_t
*event_data
=
5368 (Mpi2EventDataSasBroadcastPrimitive_t
*)
5369 fw_event
->event_data
;
5371 unsigned long flags
;
5374 u8 task_abort_retries
;
5376 mutex_lock(&ioc
->tm_cmds
.mutex
);
5378 "%s: enter: phy number(%d), width(%d)\n",
5379 ioc
->name
, __func__
, event_data
->PhyNum
,
5380 event_data
->PortWidth
);
5382 _scsih_block_io_all_device(ioc
);
5384 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5385 mpi_reply
= ioc
->tm_cmds
.reply
;
5386 broadcast_aen_retry
:
5388 /* sanity checks for retrying this loop */
5389 if (max_retries
++ == 5) {
5390 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: giving up\n",
5391 ioc
->name
, __func__
));
5393 } else if (max_retries
> 1)
5394 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
"%s: %d retry\n",
5395 ioc
->name
, __func__
, max_retries
- 1));
5397 termination_count
= 0;
5399 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
5400 if (ioc
->shost_recovery
)
5402 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
5405 sdev
= scmd
->device
;
5406 sas_device_priv_data
= sdev
->hostdata
;
5407 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
)
5409 /* skip hidden raid components */
5410 if (sas_device_priv_data
->sas_target
->flags
&
5411 MPT_TARGET_FLAGS_RAID_COMPONENT
)
5414 if (sas_device_priv_data
->sas_target
->flags
&
5415 MPT_TARGET_FLAGS_VOLUME
)
5418 handle
= sas_device_priv_data
->sas_target
->handle
;
5419 lun
= sas_device_priv_data
->lun
;
5422 if (ioc
->shost_recovery
)
5425 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
5426 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, 0, 0, lun
,
5427 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
, smid
, 30,
5430 sdev_printk(KERN_WARNING
, sdev
,
5431 "mpt3sas_scsih_issue_tm: FAILED when sending "
5432 "QUERY_TASK: scmd(%p)\n", scmd
);
5433 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5434 goto broadcast_aen_retry
;
5436 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
)
5437 & MPI2_IOCSTATUS_MASK
;
5438 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5439 sdev_printk(KERN_WARNING
, sdev
,
5440 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
5442 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5443 goto broadcast_aen_retry
;
5446 /* see if IO is still owned by IOC and target */
5447 if (mpi_reply
->ResponseCode
==
5448 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
||
5449 mpi_reply
->ResponseCode
==
5450 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
) {
5451 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5454 task_abort_retries
= 0;
5456 if (task_abort_retries
++ == 60) {
5457 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5458 "%s: ABORT_TASK: giving up\n", ioc
->name
,
5460 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5461 goto broadcast_aen_retry
;
5464 if (ioc
->shost_recovery
)
5467 r
= mpt3sas_scsih_issue_tm(ioc
, handle
, sdev
->channel
, sdev
->id
,
5468 sdev
->lun
, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30,
5471 sdev_printk(KERN_WARNING
, sdev
,
5472 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
5473 "scmd(%p)\n", scmd
);
5477 if (task_abort_retries
> 1)
5478 sdev_printk(KERN_WARNING
, sdev
,
5479 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
5481 task_abort_retries
- 1, scmd
);
5483 termination_count
+= le32_to_cpu(mpi_reply
->TerminationCount
);
5484 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5487 if (ioc
->broadcast_aen_pending
) {
5488 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5489 "%s: loop back due to pending AEN\n",
5490 ioc
->name
, __func__
));
5491 ioc
->broadcast_aen_pending
= 0;
5492 goto broadcast_aen_retry
;
5496 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
5499 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5500 "%s - exit, query_count = %d termination_count = %d\n",
5501 ioc
->name
, __func__
, query_count
, termination_count
));
5503 ioc
->broadcast_aen_busy
= 0;
5504 if (!ioc
->shost_recovery
)
5505 _scsih_ublock_io_all_device(ioc
);
5506 mutex_unlock(&ioc
->tm_cmds
.mutex
);
5510 * _scsih_sas_discovery_event - handle discovery events
5511 * @ioc: per adapter object
5512 * @fw_event: The fw_event_work object
5518 _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER
*ioc
,
5519 struct fw_event_work
*fw_event
)
5521 Mpi2EventDataSasDiscovery_t
*event_data
=
5522 (Mpi2EventDataSasDiscovery_t
*) fw_event
->event_data
;
5524 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5525 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
) {
5526 pr_info(MPT3SAS_FMT
"discovery event: (%s)", ioc
->name
,
5527 (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
) ?
5529 if (event_data
->DiscoveryStatus
)
5530 pr_info("discovery_status(0x%08x)",
5531 le32_to_cpu(event_data
->DiscoveryStatus
));
5536 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
&&
5537 !ioc
->sas_hba
.num_phys
) {
5538 if (disable_discovery
> 0 && ioc
->shost_recovery
) {
5539 /* Wait for the reset to complete */
5540 while (ioc
->shost_recovery
)
5543 _scsih_sas_host_add(ioc
);
5548 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
5549 * @ioc: per adapter object
5550 * @handle: device handle for physical disk
5551 * @phys_disk_num: physical disk number
5553 * Return 0 for success, else failure.
5556 _scsih_ir_fastpath(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
, u8 phys_disk_num
)
5558 Mpi2RaidActionRequest_t
*mpi_request
;
5559 Mpi2RaidActionReply_t
*mpi_reply
;
5567 mutex_lock(&ioc
->scsih_cmds
.mutex
);
5569 if (ioc
->scsih_cmds
.status
!= MPT3_CMD_NOT_USED
) {
5570 pr_err(MPT3SAS_FMT
"%s: scsih_cmd in use\n",
5571 ioc
->name
, __func__
);
5575 ioc
->scsih_cmds
.status
= MPT3_CMD_PENDING
;
5577 smid
= mpt3sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
5579 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
5580 ioc
->name
, __func__
);
5581 ioc
->scsih_cmds
.status
= MPT3_CMD_NOT_USED
;
5586 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
5587 ioc
->scsih_cmds
.smid
= smid
;
5588 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
5590 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
5591 mpi_request
->Action
= MPI2_RAID_ACTION_PHYSDISK_HIDDEN
;
5592 mpi_request
->PhysDiskNum
= phys_disk_num
;
5594 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
"IR RAID_ACTION: turning fast "\
5595 "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc
->name
,
5596 handle
, phys_disk_num
));
5598 init_completion(&ioc
->scsih_cmds
.done
);
5599 mpt3sas_base_put_smid_default(ioc
, smid
);
5600 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
5602 if (!(ioc
->scsih_cmds
.status
& MPT3_CMD_COMPLETE
)) {
5603 pr_err(MPT3SAS_FMT
"%s: timeout\n",
5604 ioc
->name
, __func__
);
5605 if (!(ioc
->scsih_cmds
.status
& MPT3_CMD_RESET
))
5611 if (ioc
->scsih_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
5613 mpi_reply
= ioc
->scsih_cmds
.reply
;
5614 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
5615 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
5616 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
5619 ioc_status
&= MPI2_IOCSTATUS_MASK
;
5620 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5621 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5622 "IR RAID_ACTION: failed: ioc_status(0x%04x), "
5623 "loginfo(0x%08x)!!!\n", ioc
->name
, ioc_status
,
5627 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
5628 "IR RAID_ACTION: completed successfully\n",
5633 ioc
->scsih_cmds
.status
= MPT3_CMD_NOT_USED
;
5634 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
5637 mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
5643 * _scsih_reprobe_lun - reprobing lun
5644 * @sdev: scsi device struct
5645 * @no_uld_attach: sdev->no_uld_attach flag setting
5649 _scsih_reprobe_lun(struct scsi_device
*sdev
, void *no_uld_attach
)
5652 sdev
->no_uld_attach
= no_uld_attach
? 1 : 0;
5653 sdev_printk(KERN_INFO
, sdev
, "%s raid component\n",
5654 sdev
->no_uld_attach
? "hidding" : "exposing");
5655 rc
= scsi_device_reprobe(sdev
);
5659 * _scsih_sas_volume_add - add new volume
5660 * @ioc: per adapter object
5661 * @element: IR config element data
5667 _scsih_sas_volume_add(struct MPT3SAS_ADAPTER
*ioc
,
5668 Mpi2EventIrConfigElement_t
*element
)
5670 struct _raid_device
*raid_device
;
5671 unsigned long flags
;
5673 u16 handle
= le16_to_cpu(element
->VolDevHandle
);
5676 mpt3sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
5679 "failure at %s:%d/%s()!\n", ioc
->name
,
5680 __FILE__
, __LINE__
, __func__
);
5684 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5685 raid_device
= _scsih_raid_device_find_by_wwid(ioc
, wwid
);
5686 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5691 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
5694 "failure at %s:%d/%s()!\n", ioc
->name
,
5695 __FILE__
, __LINE__
, __func__
);
5699 raid_device
->id
= ioc
->sas_id
++;
5700 raid_device
->channel
= RAID_CHANNEL
;
5701 raid_device
->handle
= handle
;
5702 raid_device
->wwid
= wwid
;
5703 _scsih_raid_device_add(ioc
, raid_device
);
5704 if (!ioc
->wait_for_discovery_to_complete
) {
5705 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
5706 raid_device
->id
, 0);
5708 _scsih_raid_device_remove(ioc
, raid_device
);
5710 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5711 _scsih_determine_boot_device(ioc
, raid_device
, 1);
5712 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5717 * _scsih_sas_volume_delete - delete volume
5718 * @ioc: per adapter object
5719 * @handle: volume device handle
5725 _scsih_sas_volume_delete(struct MPT3SAS_ADAPTER
*ioc
, u16 handle
)
5727 struct _raid_device
*raid_device
;
5728 unsigned long flags
;
5729 struct MPT3SAS_TARGET
*sas_target_priv_data
;
5730 struct scsi_target
*starget
= NULL
;
5732 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5733 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
5735 if (raid_device
->starget
) {
5736 starget
= raid_device
->starget
;
5737 sas_target_priv_data
= starget
->hostdata
;
5738 sas_target_priv_data
->deleted
= 1;
5740 pr_info(MPT3SAS_FMT
"removing handle(0x%04x), wwid(0x%016llx)\n",
5741 ioc
->name
, raid_device
->handle
,
5742 (unsigned long long) raid_device
->wwid
);
5743 list_del(&raid_device
->list
);
5746 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5748 scsi_remove_target(&starget
->dev
);
5752 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
5753 * @ioc: per adapter object
5754 * @element: IR config element data
5760 _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER
*ioc
,
5761 Mpi2EventIrConfigElement_t
*element
)
5763 struct _sas_device
*sas_device
;
5764 struct scsi_target
*starget
= NULL
;
5765 struct MPT3SAS_TARGET
*sas_target_priv_data
;
5766 unsigned long flags
;
5767 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5769 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5770 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5772 sas_device
->volume_handle
= 0;
5773 sas_device
->volume_wwid
= 0;
5774 clear_bit(handle
, ioc
->pd_handles
);
5775 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
5776 starget
= sas_device
->starget
;
5777 sas_target_priv_data
= starget
->hostdata
;
5778 sas_target_priv_data
->flags
&=
5779 ~MPT_TARGET_FLAGS_RAID_COMPONENT
;
5782 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5786 /* exposing raid component */
5788 starget_for_each_device(starget
, NULL
, _scsih_reprobe_lun
);
5792 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
5793 * @ioc: per adapter object
5794 * @element: IR config element data
5800 _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER
*ioc
,
5801 Mpi2EventIrConfigElement_t
*element
)
5803 struct _sas_device
*sas_device
;
5804 struct scsi_target
*starget
= NULL
;
5805 struct MPT3SAS_TARGET
*sas_target_priv_data
;
5806 unsigned long flags
;
5807 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5808 u16 volume_handle
= 0;
5809 u64 volume_wwid
= 0;
5811 mpt3sas_config_get_volume_handle(ioc
, handle
, &volume_handle
);
5813 mpt3sas_config_get_volume_wwid(ioc
, volume_handle
,
5816 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5817 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5819 set_bit(handle
, ioc
->pd_handles
);
5820 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
5821 starget
= sas_device
->starget
;
5822 sas_target_priv_data
= starget
->hostdata
;
5823 sas_target_priv_data
->flags
|=
5824 MPT_TARGET_FLAGS_RAID_COMPONENT
;
5825 sas_device
->volume_handle
= volume_handle
;
5826 sas_device
->volume_wwid
= volume_wwid
;
5829 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5833 /* hiding raid component */
5834 _scsih_ir_fastpath(ioc
, handle
, element
->PhysDiskNum
);
5836 starget_for_each_device(starget
, (void *)1, _scsih_reprobe_lun
);
5840 * _scsih_sas_pd_delete - delete pd component
5841 * @ioc: per adapter object
5842 * @element: IR config element data
5848 _scsih_sas_pd_delete(struct MPT3SAS_ADAPTER
*ioc
,
5849 Mpi2EventIrConfigElement_t
*element
)
5851 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5853 _scsih_device_remove_by_handle(ioc
, handle
);
5857 * _scsih_sas_pd_add - remove pd component
5858 * @ioc: per adapter object
5859 * @element: IR config element data
5865 _scsih_sas_pd_add(struct MPT3SAS_ADAPTER
*ioc
,
5866 Mpi2EventIrConfigElement_t
*element
)
5868 struct _sas_device
*sas_device
;
5869 unsigned long flags
;
5870 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5871 Mpi2ConfigReply_t mpi_reply
;
5872 Mpi2SasDevicePage0_t sas_device_pg0
;
5877 set_bit(handle
, ioc
->pd_handles
);
5879 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5880 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5881 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5883 _scsih_ir_fastpath(ioc
, handle
, element
->PhysDiskNum
);
5887 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5888 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
5889 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
5890 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5894 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5895 MPI2_IOCSTATUS_MASK
;
5896 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5897 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
5898 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5902 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
5903 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
5904 mpt3sas_transport_update_links(ioc
, sas_address
, handle
,
5905 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
5907 _scsih_ir_fastpath(ioc
, handle
, element
->PhysDiskNum
);
5908 _scsih_add_device(ioc
, handle
, 0, 1);
5911 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
5913 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
5914 * @ioc: per adapter object
5915 * @event_data: event data payload
5921 _scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
5922 Mpi2EventDataIrConfigChangeList_t
*event_data
)
5924 Mpi2EventIrConfigElement_t
*element
;
5927 char *reason_str
= NULL
, *element_str
= NULL
;
5929 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
5931 pr_info(MPT3SAS_FMT
"raid config change: (%s), elements(%d)\n",
5932 ioc
->name
, (le32_to_cpu(event_data
->Flags
) &
5933 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ?
5934 "foreign" : "native", event_data
->NumElements
);
5935 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
5936 switch (element
->ReasonCode
) {
5937 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
5940 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
5941 reason_str
= "remove";
5943 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE
:
5944 reason_str
= "no change";
5946 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
5947 reason_str
= "hide";
5949 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
5950 reason_str
= "unhide";
5952 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
5953 reason_str
= "volume_created";
5955 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
5956 reason_str
= "volume_deleted";
5958 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
5959 reason_str
= "pd_created";
5961 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
5962 reason_str
= "pd_deleted";
5965 reason_str
= "unknown reason";
5968 element_type
= le16_to_cpu(element
->ElementFlags
) &
5969 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK
;
5970 switch (element_type
) {
5971 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT
:
5972 element_str
= "volume";
5974 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT
:
5975 element_str
= "phys disk";
5977 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT
:
5978 element_str
= "hot spare";
5981 element_str
= "unknown element";
5984 pr_info("\t(%s:%s), vol handle(0x%04x), " \
5985 "pd handle(0x%04x), pd num(0x%02x)\n", element_str
,
5986 reason_str
, le16_to_cpu(element
->VolDevHandle
),
5987 le16_to_cpu(element
->PhysDiskDevHandle
),
5988 element
->PhysDiskNum
);
5994 * _scsih_sas_ir_config_change_event - handle ir configuration change events
5995 * @ioc: per adapter object
5996 * @fw_event: The fw_event_work object
6002 _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER
*ioc
,
6003 struct fw_event_work
*fw_event
)
6005 Mpi2EventIrConfigElement_t
*element
;
6008 Mpi2EventDataIrConfigChangeList_t
*event_data
=
6009 (Mpi2EventDataIrConfigChangeList_t
*)
6010 fw_event
->event_data
;
6012 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
6013 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6014 _scsih_sas_ir_config_change_event_debug(ioc
, event_data
);
6018 foreign_config
= (le32_to_cpu(event_data
->Flags
) &
6019 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ? 1 : 0;
6021 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
6022 if (ioc
->shost_recovery
) {
6024 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6025 if (element
->ReasonCode
== MPI2_EVENT_IR_CHANGE_RC_HIDE
)
6026 _scsih_ir_fastpath(ioc
,
6027 le16_to_cpu(element
->PhysDiskDevHandle
),
6028 element
->PhysDiskNum
);
6032 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6034 switch (element
->ReasonCode
) {
6035 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
6036 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
6037 if (!foreign_config
)
6038 _scsih_sas_volume_add(ioc
, element
);
6040 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
6041 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
6042 if (!foreign_config
)
6043 _scsih_sas_volume_delete(ioc
,
6044 le16_to_cpu(element
->VolDevHandle
));
6046 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
6047 _scsih_sas_pd_hide(ioc
, element
);
6049 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
6050 _scsih_sas_pd_expose(ioc
, element
);
6052 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
6053 _scsih_sas_pd_add(ioc
, element
);
6055 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
6056 _scsih_sas_pd_delete(ioc
, element
);
6063 * _scsih_sas_ir_volume_event - IR volume event
6064 * @ioc: per adapter object
6065 * @fw_event: The fw_event_work object
6071 _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER
*ioc
,
6072 struct fw_event_work
*fw_event
)
6075 unsigned long flags
;
6076 struct _raid_device
*raid_device
;
6080 Mpi2EventDataIrVolume_t
*event_data
=
6081 (Mpi2EventDataIrVolume_t
*) fw_event
->event_data
;
6083 if (ioc
->shost_recovery
)
6086 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
6089 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6090 state
= le32_to_cpu(event_data
->NewValue
);
6091 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
6092 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6093 ioc
->name
, __func__
, handle
,
6094 le32_to_cpu(event_data
->PreviousValue
), state
));
6096 case MPI2_RAID_VOL_STATE_MISSING
:
6097 case MPI2_RAID_VOL_STATE_FAILED
:
6098 _scsih_sas_volume_delete(ioc
, handle
);
6101 case MPI2_RAID_VOL_STATE_ONLINE
:
6102 case MPI2_RAID_VOL_STATE_DEGRADED
:
6103 case MPI2_RAID_VOL_STATE_OPTIMAL
:
6105 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6106 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6107 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6112 mpt3sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
6115 "failure at %s:%d/%s()!\n", ioc
->name
,
6116 __FILE__
, __LINE__
, __func__
);
6120 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
6123 "failure at %s:%d/%s()!\n", ioc
->name
,
6124 __FILE__
, __LINE__
, __func__
);
6128 raid_device
->id
= ioc
->sas_id
++;
6129 raid_device
->channel
= RAID_CHANNEL
;
6130 raid_device
->handle
= handle
;
6131 raid_device
->wwid
= wwid
;
6132 _scsih_raid_device_add(ioc
, raid_device
);
6133 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6134 raid_device
->id
, 0);
6136 _scsih_raid_device_remove(ioc
, raid_device
);
6139 case MPI2_RAID_VOL_STATE_INITIALIZING
:
6146 * _scsih_sas_ir_physical_disk_event - PD event
6147 * @ioc: per adapter object
6148 * @fw_event: The fw_event_work object
6154 _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER
*ioc
,
6155 struct fw_event_work
*fw_event
)
6157 u16 handle
, parent_handle
;
6159 struct _sas_device
*sas_device
;
6160 unsigned long flags
;
6161 Mpi2ConfigReply_t mpi_reply
;
6162 Mpi2SasDevicePage0_t sas_device_pg0
;
6164 Mpi2EventDataIrPhysicalDisk_t
*event_data
=
6165 (Mpi2EventDataIrPhysicalDisk_t
*) fw_event
->event_data
;
6168 if (ioc
->shost_recovery
)
6171 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED
)
6174 handle
= le16_to_cpu(event_data
->PhysDiskDevHandle
);
6175 state
= le32_to_cpu(event_data
->NewValue
);
6177 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
6178 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6179 ioc
->name
, __func__
, handle
,
6180 le32_to_cpu(event_data
->PreviousValue
), state
));
6182 case MPI2_RAID_PD_STATE_ONLINE
:
6183 case MPI2_RAID_PD_STATE_DEGRADED
:
6184 case MPI2_RAID_PD_STATE_REBUILDING
:
6185 case MPI2_RAID_PD_STATE_OPTIMAL
:
6186 case MPI2_RAID_PD_STATE_HOT_SPARE
:
6188 set_bit(handle
, ioc
->pd_handles
);
6189 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6190 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6191 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6196 if ((mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6197 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
6199 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
6200 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6204 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6205 MPI2_IOCSTATUS_MASK
;
6206 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6207 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
6208 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6212 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6213 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
6214 mpt3sas_transport_update_links(ioc
, sas_address
, handle
,
6215 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6217 _scsih_add_device(ioc
, handle
, 0, 1);
6221 case MPI2_RAID_PD_STATE_OFFLINE
:
6222 case MPI2_RAID_PD_STATE_NOT_CONFIGURED
:
6223 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE
:
6229 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
6231 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6232 * @ioc: per adapter object
6233 * @event_data: event data payload
6239 _scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER
*ioc
,
6240 Mpi2EventDataIrOperationStatus_t
*event_data
)
6242 char *reason_str
= NULL
;
6244 switch (event_data
->RAIDOperation
) {
6245 case MPI2_EVENT_IR_RAIDOP_RESYNC
:
6246 reason_str
= "resync";
6248 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION
:
6249 reason_str
= "online capacity expansion";
6251 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK
:
6252 reason_str
= "consistency check";
6254 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT
:
6255 reason_str
= "background init";
6257 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT
:
6258 reason_str
= "make data consistent";
6265 pr_info(MPT3SAS_FMT
"raid operational status: (%s)" \
6266 "\thandle(0x%04x), percent complete(%d)\n",
6267 ioc
->name
, reason_str
,
6268 le16_to_cpu(event_data
->VolDevHandle
),
6269 event_data
->PercentComplete
);
6274 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6275 * @ioc: per adapter object
6276 * @fw_event: The fw_event_work object
6282 _scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER
*ioc
,
6283 struct fw_event_work
*fw_event
)
6285 Mpi2EventDataIrOperationStatus_t
*event_data
=
6286 (Mpi2EventDataIrOperationStatus_t
*)
6287 fw_event
->event_data
;
6288 static struct _raid_device
*raid_device
;
6289 unsigned long flags
;
6292 #ifdef CONFIG_SCSI_MPT3SAS_LOGGING
6293 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6294 _scsih_sas_ir_operation_status_event_debug(ioc
,
6298 /* code added for raid transport support */
6299 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
) {
6301 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6302 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6303 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6305 raid_device
->percent_complete
=
6306 event_data
->PercentComplete
;
6307 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6312 * _scsih_prep_device_scan - initialize parameters prior to device scan
6313 * @ioc: per adapter object
6315 * Set the deleted flag prior to device scan. If the device is found during
6316 * the scan, then we clear the deleted flag.
6319 _scsih_prep_device_scan(struct MPT3SAS_ADAPTER
*ioc
)
6321 struct MPT3SAS_DEVICE
*sas_device_priv_data
;
6322 struct scsi_device
*sdev
;
6324 shost_for_each_device(sdev
, ioc
->shost
) {
6325 sas_device_priv_data
= sdev
->hostdata
;
6326 if (sas_device_priv_data
&& sas_device_priv_data
->sas_target
)
6327 sas_device_priv_data
->sas_target
->deleted
= 1;
6332 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6333 * @ioc: per adapter object
6334 * @sas_address: sas address
6335 * @slot: enclosure slot id
6336 * @handle: device handle
6338 * After host reset, find out whether devices are still responding.
6339 * Used in _scsih_remove_unresponsive_sas_devices.
6344 _scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
,
6345 u16 slot
, u16 handle
)
6347 struct MPT3SAS_TARGET
*sas_target_priv_data
= NULL
;
6348 struct scsi_target
*starget
;
6349 struct _sas_device
*sas_device
;
6350 unsigned long flags
;
6352 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6353 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
6354 if (sas_device
->sas_address
== sas_address
&&
6355 sas_device
->slot
== slot
) {
6356 sas_device
->responding
= 1;
6357 starget
= sas_device
->starget
;
6358 if (starget
&& starget
->hostdata
) {
6359 sas_target_priv_data
= starget
->hostdata
;
6360 sas_target_priv_data
->tm_busy
= 0;
6361 sas_target_priv_data
->deleted
= 0;
6363 sas_target_priv_data
= NULL
;
6365 starget_printk(KERN_INFO
, starget
,
6366 "handle(0x%04x), sas_addr(0x%016llx), "
6367 "enclosure logical id(0x%016llx), "
6368 "slot(%d)\n", handle
,
6369 (unsigned long long)sas_device
->sas_address
,
6370 (unsigned long long)
6371 sas_device
->enclosure_logical_id
,
6373 if (sas_device
->handle
== handle
)
6375 pr_info("\thandle changed from(0x%04x)!!!\n",
6376 sas_device
->handle
);
6377 sas_device
->handle
= handle
;
6378 if (sas_target_priv_data
)
6379 sas_target_priv_data
->handle
= handle
;
6384 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6388 * _scsih_search_responding_sas_devices -
6389 * @ioc: per adapter object
6391 * After host reset, find out whether devices are still responding.
6397 _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER
*ioc
)
6399 Mpi2SasDevicePage0_t sas_device_pg0
;
6400 Mpi2ConfigReply_t mpi_reply
;
6405 pr_info(MPT3SAS_FMT
"search for end-devices: start\n", ioc
->name
);
6407 if (list_empty(&ioc
->sas_device_list
))
6411 while (!(mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6412 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
6414 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6415 MPI2_IOCSTATUS_MASK
;
6416 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
6418 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
6419 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
6420 if (!(_scsih_is_end_device(device_info
)))
6422 _scsih_mark_responding_sas_device(ioc
,
6423 le64_to_cpu(sas_device_pg0
.SASAddress
),
6424 le16_to_cpu(sas_device_pg0
.Slot
), handle
);
6428 pr_info(MPT3SAS_FMT
"search for end-devices: complete\n",
6433 * _scsih_mark_responding_raid_device - mark a raid_device as responding
6434 * @ioc: per adapter object
6435 * @wwid: world wide identifier for raid volume
6436 * @handle: device handle
6438 * After host reset, find out whether devices are still responding.
6439 * Used in _scsih_remove_unresponsive_raid_devices.
6444 _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER
*ioc
, u64 wwid
,
6447 struct MPT3SAS_TARGET
*sas_target_priv_data
;
6448 struct scsi_target
*starget
;
6449 struct _raid_device
*raid_device
;
6450 unsigned long flags
;
6452 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6453 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
6454 if (raid_device
->wwid
== wwid
&& raid_device
->starget
) {
6455 starget
= raid_device
->starget
;
6456 if (starget
&& starget
->hostdata
) {
6457 sas_target_priv_data
= starget
->hostdata
;
6458 sas_target_priv_data
->deleted
= 0;
6460 sas_target_priv_data
= NULL
;
6461 raid_device
->responding
= 1;
6462 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6463 starget_printk(KERN_INFO
, raid_device
->starget
,
6464 "handle(0x%04x), wwid(0x%016llx)\n", handle
,
6465 (unsigned long long)raid_device
->wwid
);
6466 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6467 if (raid_device
->handle
== handle
) {
6468 spin_unlock_irqrestore(&ioc
->raid_device_lock
,
6472 pr_info("\thandle changed from(0x%04x)!!!\n",
6473 raid_device
->handle
);
6474 raid_device
->handle
= handle
;
6475 if (sas_target_priv_data
)
6476 sas_target_priv_data
->handle
= handle
;
6477 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6481 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6485 * _scsih_search_responding_raid_devices -
6486 * @ioc: per adapter object
6488 * After host reset, find out whether devices are still responding.
6494 _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER
*ioc
)
6496 Mpi2RaidVolPage1_t volume_pg1
;
6497 Mpi2RaidVolPage0_t volume_pg0
;
6498 Mpi2RaidPhysDiskPage0_t pd_pg0
;
6499 Mpi2ConfigReply_t mpi_reply
;
6504 if (!ioc
->ir_firmware
)
6507 pr_info(MPT3SAS_FMT
"search for raid volumes: start\n",
6510 if (list_empty(&ioc
->raid_device_list
))
6514 while (!(mpt3sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
6515 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
6516 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6517 MPI2_IOCSTATUS_MASK
;
6518 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
6520 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
6522 if (mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
6523 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
6524 sizeof(Mpi2RaidVolPage0_t
)))
6527 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
6528 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
6529 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
)
6530 _scsih_mark_responding_raid_device(ioc
,
6531 le64_to_cpu(volume_pg1
.WWID
), handle
);
6534 /* refresh the pd_handles */
6535 phys_disk_num
= 0xFF;
6536 memset(ioc
->pd_handles
, 0, ioc
->pd_handles_sz
);
6537 while (!(mpt3sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
6538 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
6540 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6541 MPI2_IOCSTATUS_MASK
;
6542 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
6544 phys_disk_num
= pd_pg0
.PhysDiskNum
;
6545 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
6546 set_bit(handle
, ioc
->pd_handles
);
6549 pr_info(MPT3SAS_FMT
"search for responding raid volumes: complete\n",
6554 * _scsih_mark_responding_expander - mark a expander as responding
6555 * @ioc: per adapter object
6556 * @sas_address: sas address
6559 * After host reset, find out whether devices are still responding.
6560 * Used in _scsih_remove_unresponsive_expanders.
6565 _scsih_mark_responding_expander(struct MPT3SAS_ADAPTER
*ioc
, u64 sas_address
,
6568 struct _sas_node
*sas_expander
;
6569 unsigned long flags
;
6572 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6573 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
6574 if (sas_expander
->sas_address
!= sas_address
)
6576 sas_expander
->responding
= 1;
6577 if (sas_expander
->handle
== handle
)
6579 pr_info("\texpander(0x%016llx): handle changed" \
6580 " from(0x%04x) to (0x%04x)!!!\n",
6581 (unsigned long long)sas_expander
->sas_address
,
6582 sas_expander
->handle
, handle
);
6583 sas_expander
->handle
= handle
;
6584 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++)
6585 sas_expander
->phy
[i
].handle
= handle
;
6589 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6593 * _scsih_search_responding_expanders -
6594 * @ioc: per adapter object
6596 * After host reset, find out whether devices are still responding.
6602 _scsih_search_responding_expanders(struct MPT3SAS_ADAPTER
*ioc
)
6604 Mpi2ExpanderPage0_t expander_pg0
;
6605 Mpi2ConfigReply_t mpi_reply
;
6610 pr_info(MPT3SAS_FMT
"search for expanders: start\n", ioc
->name
);
6612 if (list_empty(&ioc
->sas_expander_list
))
6616 while (!(mpt3sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
6617 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
6619 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6620 MPI2_IOCSTATUS_MASK
;
6621 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
6624 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
6625 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
6626 pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
6628 (unsigned long long)sas_address
);
6629 _scsih_mark_responding_expander(ioc
, sas_address
, handle
);
6633 pr_info(MPT3SAS_FMT
"search for expanders: complete\n", ioc
->name
);
6637 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
6638 * @ioc: per adapter object
6643 _scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER
*ioc
)
6645 struct _sas_device
*sas_device
, *sas_device_next
;
6646 struct _sas_node
*sas_expander
, *sas_expander_next
;
6647 struct _raid_device
*raid_device
, *raid_device_next
;
6648 struct list_head tmp_list
;
6649 unsigned long flags
;
6651 pr_info(MPT3SAS_FMT
"removing unresponding devices: start\n",
6654 /* removing unresponding end devices */
6655 pr_info(MPT3SAS_FMT
"removing unresponding devices: end-devices\n",
6657 list_for_each_entry_safe(sas_device
, sas_device_next
,
6658 &ioc
->sas_device_list
, list
) {
6659 if (!sas_device
->responding
)
6660 mpt3sas_device_remove_by_sas_address(ioc
,
6661 sas_device
->sas_address
);
6663 sas_device
->responding
= 0;
6666 /* removing unresponding volumes */
6667 if (ioc
->ir_firmware
) {
6668 pr_info(MPT3SAS_FMT
"removing unresponding devices: volumes\n",
6670 list_for_each_entry_safe(raid_device
, raid_device_next
,
6671 &ioc
->raid_device_list
, list
) {
6672 if (!raid_device
->responding
)
6673 _scsih_sas_volume_delete(ioc
,
6674 raid_device
->handle
);
6676 raid_device
->responding
= 0;
6680 /* removing unresponding expanders */
6681 pr_info(MPT3SAS_FMT
"removing unresponding devices: expanders\n",
6683 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6684 INIT_LIST_HEAD(&tmp_list
);
6685 list_for_each_entry_safe(sas_expander
, sas_expander_next
,
6686 &ioc
->sas_expander_list
, list
) {
6687 if (!sas_expander
->responding
)
6688 list_move_tail(&sas_expander
->list
, &tmp_list
);
6690 sas_expander
->responding
= 0;
6692 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6693 list_for_each_entry_safe(sas_expander
, sas_expander_next
, &tmp_list
,
6695 list_del(&sas_expander
->list
);
6696 _scsih_expander_node_remove(ioc
, sas_expander
);
6699 pr_info(MPT3SAS_FMT
"removing unresponding devices: complete\n",
6702 /* unblock devices */
6703 _scsih_ublock_io_all_device(ioc
);
6707 _scsih_refresh_expander_links(struct MPT3SAS_ADAPTER
*ioc
,
6708 struct _sas_node
*sas_expander
, u16 handle
)
6710 Mpi2ExpanderPage1_t expander_pg1
;
6711 Mpi2ConfigReply_t mpi_reply
;
6714 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
6715 if ((mpt3sas_config_get_expander_pg1(ioc
, &mpi_reply
,
6716 &expander_pg1
, i
, handle
))) {
6717 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
6718 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6722 mpt3sas_transport_update_links(ioc
, sas_expander
->sas_address
,
6723 le16_to_cpu(expander_pg1
.AttachedDevHandle
), i
,
6724 expander_pg1
.NegotiatedLinkRate
>> 4);
6729 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
6730 * @ioc: per adapter object
6735 _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER
*ioc
)
6737 Mpi2ExpanderPage0_t expander_pg0
;
6738 Mpi2SasDevicePage0_t sas_device_pg0
;
6739 Mpi2RaidVolPage1_t volume_pg1
;
6740 Mpi2RaidVolPage0_t volume_pg0
;
6741 Mpi2RaidPhysDiskPage0_t pd_pg0
;
6742 Mpi2EventIrConfigElement_t element
;
6743 Mpi2ConfigReply_t mpi_reply
;
6746 u16 handle
, parent_handle
;
6748 struct _sas_device
*sas_device
;
6749 struct _sas_node
*expander_device
;
6750 static struct _raid_device
*raid_device
;
6752 unsigned long flags
;
6754 pr_info(MPT3SAS_FMT
"scan devices: start\n", ioc
->name
);
6756 _scsih_sas_host_refresh(ioc
);
6758 pr_info(MPT3SAS_FMT
"\tscan devices: expanders start\n", ioc
->name
);
6762 while (!(mpt3sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
6763 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
6764 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6765 MPI2_IOCSTATUS_MASK
;
6766 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6767 pr_info(MPT3SAS_FMT
"\tbreak from expander scan: " \
6768 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6769 ioc
->name
, ioc_status
,
6770 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6773 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
6774 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6775 expander_device
= mpt3sas_scsih_expander_find_by_sas_address(
6776 ioc
, le64_to_cpu(expander_pg0
.SASAddress
));
6777 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6778 if (expander_device
)
6779 _scsih_refresh_expander_links(ioc
, expander_device
,
6782 pr_info(MPT3SAS_FMT
"\tBEFORE adding expander: " \
6783 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6784 handle
, (unsigned long long)
6785 le64_to_cpu(expander_pg0
.SASAddress
));
6786 _scsih_expander_add(ioc
, handle
);
6787 pr_info(MPT3SAS_FMT
"\tAFTER adding expander: " \
6788 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6789 handle
, (unsigned long long)
6790 le64_to_cpu(expander_pg0
.SASAddress
));
6794 pr_info(MPT3SAS_FMT
"\tscan devices: expanders complete\n",
6797 if (!ioc
->ir_firmware
)
6800 pr_info(MPT3SAS_FMT
"\tscan devices: phys disk start\n", ioc
->name
);
6803 phys_disk_num
= 0xFF;
6804 while (!(mpt3sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
6805 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
6807 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6808 MPI2_IOCSTATUS_MASK
;
6809 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6810 pr_info(MPT3SAS_FMT
"\tbreak from phys disk scan: "\
6811 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6812 ioc
->name
, ioc_status
,
6813 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6816 phys_disk_num
= pd_pg0
.PhysDiskNum
;
6817 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
6818 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6819 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6820 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6823 if (mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6824 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
6827 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6828 MPI2_IOCSTATUS_MASK
;
6829 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6830 pr_info(MPT3SAS_FMT
"\tbreak from phys disk scan " \
6831 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6832 ioc
->name
, ioc_status
,
6833 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6836 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6837 if (!_scsih_get_sas_address(ioc
, parent_handle
,
6839 pr_info(MPT3SAS_FMT
"\tBEFORE adding phys disk: " \
6840 " handle (0x%04x), sas_addr(0x%016llx)\n",
6841 ioc
->name
, handle
, (unsigned long long)
6842 le64_to_cpu(sas_device_pg0
.SASAddress
));
6843 mpt3sas_transport_update_links(ioc
, sas_address
,
6844 handle
, sas_device_pg0
.PhyNum
,
6845 MPI2_SAS_NEG_LINK_RATE_1_5
);
6846 set_bit(handle
, ioc
->pd_handles
);
6848 /* This will retry adding the end device.
6849 * _scsih_add_device() will decide on retries and
6850 * return "1" when it should be retried
6852 while (_scsih_add_device(ioc
, handle
, retry_count
++,
6856 pr_info(MPT3SAS_FMT
"\tAFTER adding phys disk: " \
6857 " handle (0x%04x), sas_addr(0x%016llx)\n",
6858 ioc
->name
, handle
, (unsigned long long)
6859 le64_to_cpu(sas_device_pg0
.SASAddress
));
6863 pr_info(MPT3SAS_FMT
"\tscan devices: phys disk complete\n",
6866 pr_info(MPT3SAS_FMT
"\tscan devices: volumes start\n", ioc
->name
);
6870 while (!(mpt3sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
6871 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
6872 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6873 MPI2_IOCSTATUS_MASK
;
6874 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6875 pr_info(MPT3SAS_FMT
"\tbreak from volume scan: " \
6876 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6877 ioc
->name
, ioc_status
,
6878 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6881 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
6882 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6883 raid_device
= _scsih_raid_device_find_by_wwid(ioc
,
6884 le64_to_cpu(volume_pg1
.WWID
));
6885 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6888 if (mpt3sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
6889 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
6890 sizeof(Mpi2RaidVolPage0_t
)))
6892 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6893 MPI2_IOCSTATUS_MASK
;
6894 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6895 pr_info(MPT3SAS_FMT
"\tbreak from volume scan: " \
6896 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6897 ioc
->name
, ioc_status
,
6898 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6901 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
6902 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
6903 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
) {
6904 memset(&element
, 0, sizeof(Mpi2EventIrConfigElement_t
));
6905 element
.ReasonCode
= MPI2_EVENT_IR_CHANGE_RC_ADDED
;
6906 element
.VolDevHandle
= volume_pg1
.DevHandle
;
6908 "\tBEFORE adding volume: handle (0x%04x)\n",
6909 ioc
->name
, volume_pg1
.DevHandle
);
6910 _scsih_sas_volume_add(ioc
, &element
);
6912 "\tAFTER adding volume: handle (0x%04x)\n",
6913 ioc
->name
, volume_pg1
.DevHandle
);
6917 pr_info(MPT3SAS_FMT
"\tscan devices: volumes complete\n",
6922 pr_info(MPT3SAS_FMT
"\tscan devices: end devices start\n",
6927 while (!(mpt3sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6928 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
6930 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6931 MPI2_IOCSTATUS_MASK
;
6932 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6933 pr_info(MPT3SAS_FMT
"\tbreak from end device scan:"\
6934 " ioc_status(0x%04x), loginfo(0x%08x)\n",
6935 ioc
->name
, ioc_status
,
6936 le32_to_cpu(mpi_reply
.IOCLogInfo
));
6939 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
6940 if (!(_scsih_is_end_device(
6941 le32_to_cpu(sas_device_pg0
.DeviceInfo
))))
6943 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6944 sas_device
= mpt3sas_scsih_sas_device_find_by_sas_address(ioc
,
6945 le64_to_cpu(sas_device_pg0
.SASAddress
));
6946 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6949 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6950 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
)) {
6951 pr_info(MPT3SAS_FMT
"\tBEFORE adding end device: " \
6952 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6953 handle
, (unsigned long long)
6954 le64_to_cpu(sas_device_pg0
.SASAddress
));
6955 mpt3sas_transport_update_links(ioc
, sas_address
, handle
,
6956 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6958 /* This will retry adding the end device.
6959 * _scsih_add_device() will decide on retries and
6960 * return "1" when it should be retried
6962 while (_scsih_add_device(ioc
, handle
, retry_count
++,
6966 pr_info(MPT3SAS_FMT
"\tAFTER adding end device: " \
6967 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6968 handle
, (unsigned long long)
6969 le64_to_cpu(sas_device_pg0
.SASAddress
));
6972 pr_info(MPT3SAS_FMT
"\tscan devices: end devices complete\n",
6975 pr_info(MPT3SAS_FMT
"scan devices: complete\n", ioc
->name
);
6978 * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
6979 * @ioc: per adapter object
6980 * @reset_phase: phase
6982 * The handler for doing any required cleanup or initialization.
6984 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
6985 * MPT3_IOC_DONE_RESET
6990 mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER
*ioc
, int reset_phase
)
6992 switch (reset_phase
) {
6993 case MPT3_IOC_PRE_RESET
:
6994 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
6995 "%s: MPT3_IOC_PRE_RESET\n", ioc
->name
, __func__
));
6997 case MPT3_IOC_AFTER_RESET
:
6998 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
6999 "%s: MPT3_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
7000 if (ioc
->scsih_cmds
.status
& MPT3_CMD_PENDING
) {
7001 ioc
->scsih_cmds
.status
|= MPT3_CMD_RESET
;
7002 mpt3sas_base_free_smid(ioc
, ioc
->scsih_cmds
.smid
);
7003 complete(&ioc
->scsih_cmds
.done
);
7005 if (ioc
->tm_cmds
.status
& MPT3_CMD_PENDING
) {
7006 ioc
->tm_cmds
.status
|= MPT3_CMD_RESET
;
7007 mpt3sas_base_free_smid(ioc
, ioc
->tm_cmds
.smid
);
7008 complete(&ioc
->tm_cmds
.done
);
7011 _scsih_fw_event_cleanup_queue(ioc
);
7012 _scsih_flush_running_cmds(ioc
);
7014 case MPT3_IOC_DONE_RESET
:
7015 dtmprintk(ioc
, pr_info(MPT3SAS_FMT
7016 "%s: MPT3_IOC_DONE_RESET\n", ioc
->name
, __func__
));
7017 if ((!ioc
->is_driver_loading
) && !(disable_discovery
> 0 &&
7018 !ioc
->sas_hba
.num_phys
)) {
7019 _scsih_prep_device_scan(ioc
);
7020 _scsih_search_responding_sas_devices(ioc
);
7021 _scsih_search_responding_raid_devices(ioc
);
7022 _scsih_search_responding_expanders(ioc
);
7023 _scsih_error_recovery_delete_devices(ioc
);
7030 * _mpt3sas_fw_work - delayed task for processing firmware events
7031 * @ioc: per adapter object
7032 * @fw_event: The fw_event_work object
7038 _mpt3sas_fw_work(struct MPT3SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
7040 /* the queue is being flushed so ignore this event */
7041 if (ioc
->remove_host
||
7042 ioc
->pci_error_recovery
) {
7043 _scsih_fw_event_free(ioc
, fw_event
);
7047 switch (fw_event
->event
) {
7048 case MPT3SAS_PROCESS_TRIGGER_DIAG
:
7049 mpt3sas_process_trigger_data(ioc
,
7050 (struct SL_WH_TRIGGERS_EVENT_DATA_T
*)
7051 fw_event
->event_data
);
7053 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES
:
7054 while (scsi_host_in_recovery(ioc
->shost
) || ioc
->shost_recovery
)
7056 _scsih_remove_unresponding_sas_devices(ioc
);
7057 _scsih_scan_for_devices_after_reset(ioc
);
7059 case MPT3SAS_PORT_ENABLE_COMPLETE
:
7060 ioc
->start_scan
= 0;
7061 if (missing_delay
[0] != -1 && missing_delay
[1] != -1)
7062 mpt3sas_base_update_missing_delay(ioc
, missing_delay
[0],
7064 dewtprintk(ioc
, pr_info(MPT3SAS_FMT
7065 "port enable: complete from worker thread\n",
7068 case MPT3SAS_TURN_ON_FAULT_LED
:
7069 _scsih_turn_on_fault_led(ioc
, fw_event
->device_handle
);
7071 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7072 _scsih_sas_topology_change_event(ioc
, fw_event
);
7074 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7075 _scsih_sas_device_status_change_event(ioc
, fw_event
);
7077 case MPI2_EVENT_SAS_DISCOVERY
:
7078 _scsih_sas_discovery_event(ioc
, fw_event
);
7080 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7081 _scsih_sas_broadcast_primitive_event(ioc
, fw_event
);
7083 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7084 _scsih_sas_enclosure_dev_status_change_event(ioc
,
7087 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7088 _scsih_sas_ir_config_change_event(ioc
, fw_event
);
7090 case MPI2_EVENT_IR_VOLUME
:
7091 _scsih_sas_ir_volume_event(ioc
, fw_event
);
7093 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7094 _scsih_sas_ir_physical_disk_event(ioc
, fw_event
);
7096 case MPI2_EVENT_IR_OPERATION_STATUS
:
7097 _scsih_sas_ir_operation_status_event(ioc
, fw_event
);
7100 _scsih_fw_event_free(ioc
, fw_event
);
7104 * _firmware_event_work
7105 * @ioc: per adapter object
7106 * @work: The fw_event_work object
7109 * wrappers for the work thread handling firmware events
7115 _firmware_event_work(struct work_struct
*work
)
7117 struct fw_event_work
*fw_event
= container_of(work
,
7118 struct fw_event_work
, work
);
7120 _mpt3sas_fw_work(fw_event
->ioc
, fw_event
);
7124 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
7125 * @ioc: per adapter object
7126 * @msix_index: MSIX table index supplied by the OS
7127 * @reply: reply message frame(lower 32bit addr)
7128 * Context: interrupt.
7130 * This function merely adds a new work task into ioc->firmware_event_thread.
7131 * The tasks are worked from _firmware_event_work in user context.
7133 * Return 1 meaning mf should be freed from _base_interrupt
7134 * 0 means the mf is freed from this function.
7137 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER
*ioc
, u8 msix_index
,
7140 struct fw_event_work
*fw_event
;
7141 Mpi2EventNotificationReply_t
*mpi_reply
;
7145 /* events turned off due to host reset or driver unloading */
7146 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
7149 mpi_reply
= mpt3sas_base_get_reply_virt_addr(ioc
, reply
);
7151 if (unlikely(!mpi_reply
)) {
7152 pr_err(MPT3SAS_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
7153 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7157 event
= le16_to_cpu(mpi_reply
->Event
);
7159 if (event
!= MPI2_EVENT_LOG_ENTRY_ADDED
)
7160 mpt3sas_trigger_event(ioc
, event
, 0);
7164 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7166 Mpi2EventDataSasBroadcastPrimitive_t
*baen_data
=
7167 (Mpi2EventDataSasBroadcastPrimitive_t
*)
7168 mpi_reply
->EventData
;
7170 if (baen_data
->Primitive
!=
7171 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT
)
7174 if (ioc
->broadcast_aen_busy
) {
7175 ioc
->broadcast_aen_pending
++;
7178 ioc
->broadcast_aen_busy
= 1;
7182 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7183 _scsih_check_topo_delete_events(ioc
,
7184 (Mpi2EventDataSasTopologyChangeList_t
*)
7185 mpi_reply
->EventData
);
7187 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7188 _scsih_check_ir_config_unhide_events(ioc
,
7189 (Mpi2EventDataIrConfigChangeList_t
*)
7190 mpi_reply
->EventData
);
7192 case MPI2_EVENT_IR_VOLUME
:
7193 _scsih_check_volume_delete_events(ioc
,
7194 (Mpi2EventDataIrVolume_t
*)
7195 mpi_reply
->EventData
);
7198 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7199 case MPI2_EVENT_IR_OPERATION_STATUS
:
7200 case MPI2_EVENT_SAS_DISCOVERY
:
7201 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7202 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7205 default: /* ignore the rest */
7209 sz
= le16_to_cpu(mpi_reply
->EventDataLength
) * 4;
7210 fw_event
= kzalloc(sizeof(*fw_event
) + sz
, GFP_ATOMIC
);
7212 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7213 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7217 memcpy(fw_event
->event_data
, mpi_reply
->EventData
, sz
);
7218 fw_event
->ioc
= ioc
;
7219 fw_event
->VF_ID
= mpi_reply
->VF_ID
;
7220 fw_event
->VP_ID
= mpi_reply
->VP_ID
;
7221 fw_event
->event
= event
;
7222 _scsih_fw_event_add(ioc
, fw_event
);
7226 /* shost template */
7227 static struct scsi_host_template scsih_driver_template
= {
7228 .module
= THIS_MODULE
,
7229 .name
= "Fusion MPT SAS Host",
7230 .proc_name
= MPT3SAS_DRIVER_NAME
,
7231 .queuecommand
= _scsih_qcmd
,
7232 .target_alloc
= _scsih_target_alloc
,
7233 .slave_alloc
= _scsih_slave_alloc
,
7234 .slave_configure
= _scsih_slave_configure
,
7235 .target_destroy
= _scsih_target_destroy
,
7236 .slave_destroy
= _scsih_slave_destroy
,
7237 .scan_finished
= _scsih_scan_finished
,
7238 .scan_start
= _scsih_scan_start
,
7239 .change_queue_depth
= _scsih_change_queue_depth
,
7240 .change_queue_type
= _scsih_change_queue_type
,
7241 .eh_abort_handler
= _scsih_abort
,
7242 .eh_device_reset_handler
= _scsih_dev_reset
,
7243 .eh_target_reset_handler
= _scsih_target_reset
,
7244 .eh_host_reset_handler
= _scsih_host_reset
,
7245 .bios_param
= _scsih_bios_param
,
7248 .sg_tablesize
= MPT3SAS_SG_DEPTH
,
7249 .max_sectors
= 32767,
7251 .use_clustering
= ENABLE_CLUSTERING
,
7252 .shost_attrs
= mpt3sas_host_attrs
,
7253 .sdev_attrs
= mpt3sas_dev_attrs
,
7257 * _scsih_expander_node_remove - removing expander device from list.
7258 * @ioc: per adapter object
7259 * @sas_expander: the sas_device object
7260 * Context: Calling function should acquire ioc->sas_node_lock.
7262 * Removing object and freeing associated memory from the
7263 * ioc->sas_expander_list.
7268 _scsih_expander_node_remove(struct MPT3SAS_ADAPTER
*ioc
,
7269 struct _sas_node
*sas_expander
)
7271 struct _sas_port
*mpt3sas_port
, *next
;
7273 /* remove sibling ports attached to this expander */
7274 list_for_each_entry_safe(mpt3sas_port
, next
,
7275 &sas_expander
->sas_port_list
, port_list
) {
7276 if (ioc
->shost_recovery
)
7278 if (mpt3sas_port
->remote_identify
.device_type
==
7280 mpt3sas_device_remove_by_sas_address(ioc
,
7281 mpt3sas_port
->remote_identify
.sas_address
);
7282 else if (mpt3sas_port
->remote_identify
.device_type
==
7283 SAS_EDGE_EXPANDER_DEVICE
||
7284 mpt3sas_port
->remote_identify
.device_type
==
7285 SAS_FANOUT_EXPANDER_DEVICE
)
7286 mpt3sas_expander_remove(ioc
,
7287 mpt3sas_port
->remote_identify
.sas_address
);
7290 mpt3sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
7291 sas_expander
->sas_address_parent
);
7294 "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
7296 sas_expander
->handle
, (unsigned long long)
7297 sas_expander
->sas_address
);
7299 kfree(sas_expander
->phy
);
7300 kfree(sas_expander
);
7304 * _scsih_ir_shutdown - IR shutdown notification
7305 * @ioc: per adapter object
7307 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
7308 * the host system is shutting down.
7313 _scsih_ir_shutdown(struct MPT3SAS_ADAPTER
*ioc
)
7315 Mpi2RaidActionRequest_t
*mpi_request
;
7316 Mpi2RaidActionReply_t
*mpi_reply
;
7319 /* is IR firmware build loaded ? */
7320 if (!ioc
->ir_firmware
)
7323 /* are there any volumes ? */
7324 if (list_empty(&ioc
->raid_device_list
))
7327 mutex_lock(&ioc
->scsih_cmds
.mutex
);
7329 if (ioc
->scsih_cmds
.status
!= MPT3_CMD_NOT_USED
) {
7330 pr_err(MPT3SAS_FMT
"%s: scsih_cmd in use\n",
7331 ioc
->name
, __func__
);
7334 ioc
->scsih_cmds
.status
= MPT3_CMD_PENDING
;
7336 smid
= mpt3sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
7338 pr_err(MPT3SAS_FMT
"%s: failed obtaining a smid\n",
7339 ioc
->name
, __func__
);
7340 ioc
->scsih_cmds
.status
= MPT3_CMD_NOT_USED
;
7344 mpi_request
= mpt3sas_base_get_msg_frame(ioc
, smid
);
7345 ioc
->scsih_cmds
.smid
= smid
;
7346 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
7348 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
7349 mpi_request
->Action
= MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED
;
7351 pr_info(MPT3SAS_FMT
"IR shutdown (sending)\n", ioc
->name
);
7352 init_completion(&ioc
->scsih_cmds
.done
);
7353 mpt3sas_base_put_smid_default(ioc
, smid
);
7354 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
7356 if (!(ioc
->scsih_cmds
.status
& MPT3_CMD_COMPLETE
)) {
7357 pr_err(MPT3SAS_FMT
"%s: timeout\n",
7358 ioc
->name
, __func__
);
7362 if (ioc
->scsih_cmds
.status
& MPT3_CMD_REPLY_VALID
) {
7363 mpi_reply
= ioc
->scsih_cmds
.reply
;
7365 "IR shutdown (complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
7366 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
7367 le32_to_cpu(mpi_reply
->IOCLogInfo
));
7371 ioc
->scsih_cmds
.status
= MPT3_CMD_NOT_USED
;
7372 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
7376 * _scsih_remove - detach and remove add host
7377 * @pdev: PCI device struct
7379 * Routine called when unloading the driver.
7382 static void _scsih_remove(struct pci_dev
*pdev
)
7384 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7385 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7386 struct _sas_port
*mpt3sas_port
, *next_port
;
7387 struct _raid_device
*raid_device
, *next
;
7388 struct MPT3SAS_TARGET
*sas_target_priv_data
;
7389 struct workqueue_struct
*wq
;
7390 unsigned long flags
;
7392 ioc
->remove_host
= 1;
7393 _scsih_fw_event_cleanup_queue(ioc
);
7395 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
7396 wq
= ioc
->firmware_event_thread
;
7397 ioc
->firmware_event_thread
= NULL
;
7398 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
7400 destroy_workqueue(wq
);
7402 /* release all the volumes */
7403 _scsih_ir_shutdown(ioc
);
7404 list_for_each_entry_safe(raid_device
, next
, &ioc
->raid_device_list
,
7406 if (raid_device
->starget
) {
7407 sas_target_priv_data
=
7408 raid_device
->starget
->hostdata
;
7409 sas_target_priv_data
->deleted
= 1;
7410 scsi_remove_target(&raid_device
->starget
->dev
);
7412 pr_info(MPT3SAS_FMT
"removing handle(0x%04x), wwid(0x%016llx)\n",
7413 ioc
->name
, raid_device
->handle
,
7414 (unsigned long long) raid_device
->wwid
);
7415 _scsih_raid_device_remove(ioc
, raid_device
);
7418 /* free ports attached to the sas_host */
7419 list_for_each_entry_safe(mpt3sas_port
, next_port
,
7420 &ioc
->sas_hba
.sas_port_list
, port_list
) {
7421 if (mpt3sas_port
->remote_identify
.device_type
==
7423 mpt3sas_device_remove_by_sas_address(ioc
,
7424 mpt3sas_port
->remote_identify
.sas_address
);
7425 else if (mpt3sas_port
->remote_identify
.device_type
==
7426 SAS_EDGE_EXPANDER_DEVICE
||
7427 mpt3sas_port
->remote_identify
.device_type
==
7428 SAS_FANOUT_EXPANDER_DEVICE
)
7429 mpt3sas_expander_remove(ioc
,
7430 mpt3sas_port
->remote_identify
.sas_address
);
7433 /* free phys attached to the sas_host */
7434 if (ioc
->sas_hba
.num_phys
) {
7435 kfree(ioc
->sas_hba
.phy
);
7436 ioc
->sas_hba
.phy
= NULL
;
7437 ioc
->sas_hba
.num_phys
= 0;
7440 sas_remove_host(shost
);
7441 scsi_remove_host(shost
);
7442 mpt3sas_base_detach(ioc
);
7443 list_del(&ioc
->list
);
7444 scsi_host_put(shost
);
7448 * _scsih_shutdown - routine call during system shutdown
7449 * @pdev: PCI device struct
7454 _scsih_shutdown(struct pci_dev
*pdev
)
7456 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7457 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7458 struct workqueue_struct
*wq
;
7459 unsigned long flags
;
7461 ioc
->remove_host
= 1;
7462 _scsih_fw_event_cleanup_queue(ioc
);
7464 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
7465 wq
= ioc
->firmware_event_thread
;
7466 ioc
->firmware_event_thread
= NULL
;
7467 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
7469 destroy_workqueue(wq
);
7471 _scsih_ir_shutdown(ioc
);
7472 mpt3sas_base_detach(ioc
);
7477 * _scsih_probe_boot_devices - reports 1st device
7478 * @ioc: per adapter object
7480 * If specified in bios page 2, this routine reports the 1st
7481 * device scsi-ml or sas transport for persistent boot device
7482 * purposes. Please refer to function _scsih_determine_boot_device()
7485 _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER
*ioc
)
7489 struct _sas_device
*sas_device
;
7490 struct _raid_device
*raid_device
;
7492 u64 sas_address_parent
;
7494 unsigned long flags
;
7497 /* no Bios, return immediately */
7498 if (!ioc
->bios_pg3
.BiosVersion
)
7503 if (ioc
->req_boot_device
.device
) {
7504 device
= ioc
->req_boot_device
.device
;
7505 is_raid
= ioc
->req_boot_device
.is_raid
;
7506 } else if (ioc
->req_alt_boot_device
.device
) {
7507 device
= ioc
->req_alt_boot_device
.device
;
7508 is_raid
= ioc
->req_alt_boot_device
.is_raid
;
7509 } else if (ioc
->current_boot_device
.device
) {
7510 device
= ioc
->current_boot_device
.device
;
7511 is_raid
= ioc
->current_boot_device
.is_raid
;
7518 raid_device
= device
;
7519 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
7520 raid_device
->id
, 0);
7522 _scsih_raid_device_remove(ioc
, raid_device
);
7524 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7525 sas_device
= device
;
7526 handle
= sas_device
->handle
;
7527 sas_address_parent
= sas_device
->sas_address_parent
;
7528 sas_address
= sas_device
->sas_address
;
7529 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
7530 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7532 if (!mpt3sas_transport_port_add(ioc
, handle
,
7533 sas_address_parent
)) {
7534 _scsih_sas_device_remove(ioc
, sas_device
);
7535 } else if (!sas_device
->starget
) {
7536 if (!ioc
->is_driver_loading
) {
7537 mpt3sas_transport_port_remove(ioc
,
7539 sas_address_parent
);
7540 _scsih_sas_device_remove(ioc
, sas_device
);
7547 * _scsih_probe_raid - reporting raid volumes to scsi-ml
7548 * @ioc: per adapter object
7550 * Called during initial loading of the driver.
7553 _scsih_probe_raid(struct MPT3SAS_ADAPTER
*ioc
)
7555 struct _raid_device
*raid_device
, *raid_next
;
7558 list_for_each_entry_safe(raid_device
, raid_next
,
7559 &ioc
->raid_device_list
, list
) {
7560 if (raid_device
->starget
)
7562 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
7563 raid_device
->id
, 0);
7565 _scsih_raid_device_remove(ioc
, raid_device
);
7570 * _scsih_probe_sas - reporting sas devices to sas transport
7571 * @ioc: per adapter object
7573 * Called during initial loading of the driver.
7576 _scsih_probe_sas(struct MPT3SAS_ADAPTER
*ioc
)
7578 struct _sas_device
*sas_device
, *next
;
7579 unsigned long flags
;
7581 /* SAS Device List */
7582 list_for_each_entry_safe(sas_device
, next
, &ioc
->sas_device_init_list
,
7585 if (!mpt3sas_transport_port_add(ioc
, sas_device
->handle
,
7586 sas_device
->sas_address_parent
)) {
7587 list_del(&sas_device
->list
);
7590 } else if (!sas_device
->starget
) {
7592 * When asyn scanning is enabled, its not possible to
7593 * remove devices while scanning is turned on due to an
7594 * oops in scsi_sysfs_add_sdev()->add_device()->
7595 * sysfs_addrm_start()
7597 if (!ioc
->is_driver_loading
) {
7598 mpt3sas_transport_port_remove(ioc
,
7599 sas_device
->sas_address
,
7600 sas_device
->sas_address_parent
);
7601 list_del(&sas_device
->list
);
7607 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7608 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
7609 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7614 * _scsih_probe_devices - probing for devices
7615 * @ioc: per adapter object
7617 * Called during initial loading of the driver.
7620 _scsih_probe_devices(struct MPT3SAS_ADAPTER
*ioc
)
7622 u16 volume_mapping_flags
;
7624 if (!(ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR
))
7625 return; /* return when IOC doesn't support initiator mode */
7627 _scsih_probe_boot_devices(ioc
);
7629 if (ioc
->ir_firmware
) {
7630 volume_mapping_flags
=
7631 le16_to_cpu(ioc
->ioc_pg8
.IRVolumeMappingFlags
) &
7632 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE
;
7633 if (volume_mapping_flags
==
7634 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING
) {
7635 _scsih_probe_raid(ioc
);
7636 _scsih_probe_sas(ioc
);
7638 _scsih_probe_sas(ioc
);
7639 _scsih_probe_raid(ioc
);
7642 _scsih_probe_sas(ioc
);
7646 * _scsih_scan_start - scsi lld callback for .scan_start
7647 * @shost: SCSI host pointer
7649 * The shost has the ability to discover targets on its own instead
7650 * of scanning the entire bus. In our implemention, we will kick off
7651 * firmware discovery.
7654 _scsih_scan_start(struct Scsi_Host
*shost
)
7656 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7658 if (diag_buffer_enable
!= -1 && diag_buffer_enable
!= 0)
7659 mpt3sas_enable_diag_buffer(ioc
, diag_buffer_enable
);
7661 if (disable_discovery
> 0)
7664 ioc
->start_scan
= 1;
7665 rc
= mpt3sas_port_enable(ioc
);
7668 pr_info(MPT3SAS_FMT
"port enable: FAILED\n", ioc
->name
);
7672 * _scsih_scan_finished - scsi lld callback for .scan_finished
7673 * @shost: SCSI host pointer
7674 * @time: elapsed time of the scan in jiffies
7676 * This function will be called periodicallyn until it returns 1 with the
7677 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
7678 * we wait for firmware discovery to complete, then return 1.
7681 _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
7683 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7685 if (disable_discovery
> 0) {
7686 ioc
->is_driver_loading
= 0;
7687 ioc
->wait_for_discovery_to_complete
= 0;
7691 if (time
>= (300 * HZ
)) {
7692 ioc
->base_cmds
.status
= MPT3_CMD_NOT_USED
;
7694 "port enable: FAILED with timeout (timeout=300s)\n",
7696 ioc
->is_driver_loading
= 0;
7700 if (ioc
->start_scan
)
7703 if (ioc
->start_scan_failed
) {
7705 "port enable: FAILED with (ioc_status=0x%08x)\n",
7706 ioc
->name
, ioc
->start_scan_failed
);
7707 ioc
->is_driver_loading
= 0;
7708 ioc
->wait_for_discovery_to_complete
= 0;
7709 ioc
->remove_host
= 1;
7713 pr_info(MPT3SAS_FMT
"port enable: SUCCESS\n", ioc
->name
);
7714 ioc
->base_cmds
.status
= MPT3_CMD_NOT_USED
;
7716 if (ioc
->wait_for_discovery_to_complete
) {
7717 ioc
->wait_for_discovery_to_complete
= 0;
7718 _scsih_probe_devices(ioc
);
7720 mpt3sas_base_start_watchdog(ioc
);
7721 ioc
->is_driver_loading
= 0;
7726 * _scsih_probe - attach and add scsi host
7727 * @pdev: PCI device struct
7728 * @id: pci device id
7730 * Returns 0 success, anything else error.
7733 _scsih_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
7735 struct MPT3SAS_ADAPTER
*ioc
;
7736 struct Scsi_Host
*shost
;
7738 shost
= scsi_host_alloc(&scsih_driver_template
,
7739 sizeof(struct MPT3SAS_ADAPTER
));
7743 /* init local params */
7744 ioc
= shost_priv(shost
);
7745 memset(ioc
, 0, sizeof(struct MPT3SAS_ADAPTER
));
7746 INIT_LIST_HEAD(&ioc
->list
);
7747 list_add_tail(&ioc
->list
, &mpt3sas_ioc_list
);
7749 ioc
->id
= mpt_ids
++;
7750 sprintf(ioc
->name
, "%s%d", MPT3SAS_DRIVER_NAME
, ioc
->id
);
7752 ioc
->scsi_io_cb_idx
= scsi_io_cb_idx
;
7753 ioc
->tm_cb_idx
= tm_cb_idx
;
7754 ioc
->ctl_cb_idx
= ctl_cb_idx
;
7755 ioc
->base_cb_idx
= base_cb_idx
;
7756 ioc
->port_enable_cb_idx
= port_enable_cb_idx
;
7757 ioc
->transport_cb_idx
= transport_cb_idx
;
7758 ioc
->scsih_cb_idx
= scsih_cb_idx
;
7759 ioc
->config_cb_idx
= config_cb_idx
;
7760 ioc
->tm_tr_cb_idx
= tm_tr_cb_idx
;
7761 ioc
->tm_tr_volume_cb_idx
= tm_tr_volume_cb_idx
;
7762 ioc
->tm_sas_control_cb_idx
= tm_sas_control_cb_idx
;
7763 ioc
->logging_level
= logging_level
;
7764 ioc
->schedule_dead_ioc_flush_running_cmds
= &_scsih_flush_running_cmds
;
7765 /* misc semaphores and spin locks */
7766 mutex_init(&ioc
->reset_in_progress_mutex
);
7767 spin_lock_init(&ioc
->ioc_reset_in_progress_lock
);
7768 spin_lock_init(&ioc
->scsi_lookup_lock
);
7769 spin_lock_init(&ioc
->sas_device_lock
);
7770 spin_lock_init(&ioc
->sas_node_lock
);
7771 spin_lock_init(&ioc
->fw_event_lock
);
7772 spin_lock_init(&ioc
->raid_device_lock
);
7773 spin_lock_init(&ioc
->diag_trigger_lock
);
7775 INIT_LIST_HEAD(&ioc
->sas_device_list
);
7776 INIT_LIST_HEAD(&ioc
->sas_device_init_list
);
7777 INIT_LIST_HEAD(&ioc
->sas_expander_list
);
7778 INIT_LIST_HEAD(&ioc
->fw_event_list
);
7779 INIT_LIST_HEAD(&ioc
->raid_device_list
);
7780 INIT_LIST_HEAD(&ioc
->sas_hba
.sas_port_list
);
7781 INIT_LIST_HEAD(&ioc
->delayed_tr_list
);
7782 INIT_LIST_HEAD(&ioc
->delayed_tr_volume_list
);
7783 INIT_LIST_HEAD(&ioc
->reply_queue_list
);
7785 /* init shost parameters */
7786 shost
->max_cmd_len
= 32;
7787 shost
->max_lun
= max_lun
;
7788 shost
->transportt
= mpt3sas_transport_template
;
7789 shost
->unique_id
= ioc
->id
;
7791 if (max_sectors
!= 0xFFFF) {
7792 if (max_sectors
< 64) {
7793 shost
->max_sectors
= 64;
7794 pr_warn(MPT3SAS_FMT
"Invalid value %d passed " \
7795 "for max_sectors, range is 64 to 32767. Assigning "
7796 "value of 64.\n", ioc
->name
, max_sectors
);
7797 } else if (max_sectors
> 32767) {
7798 shost
->max_sectors
= 32767;
7799 pr_warn(MPT3SAS_FMT
"Invalid value %d passed " \
7800 "for max_sectors, range is 64 to 32767. Assigning "
7801 "default value of 32767.\n", ioc
->name
,
7804 shost
->max_sectors
= max_sectors
& 0xFFFE;
7806 "The max_sectors value is set to %d\n",
7807 ioc
->name
, shost
->max_sectors
);
7811 /* register EEDP capabilities with SCSI layer */
7813 scsi_host_set_prot(shost
, prot_mask
);
7815 scsi_host_set_prot(shost
, SHOST_DIF_TYPE1_PROTECTION
7816 | SHOST_DIF_TYPE2_PROTECTION
7817 | SHOST_DIF_TYPE3_PROTECTION
);
7819 scsi_host_set_guard(shost
, SHOST_DIX_GUARD_CRC
);
7822 snprintf(ioc
->firmware_event_name
, sizeof(ioc
->firmware_event_name
),
7823 "fw_event%d", ioc
->id
);
7824 ioc
->firmware_event_thread
= create_singlethread_workqueue(
7825 ioc
->firmware_event_name
);
7826 if (!ioc
->firmware_event_thread
) {
7827 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7828 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7829 goto out_thread_fail
;
7832 ioc
->is_driver_loading
= 1;
7833 if ((mpt3sas_base_attach(ioc
))) {
7834 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7835 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7836 goto out_attach_fail
;
7838 if ((scsi_add_host(shost
, &pdev
->dev
))) {
7839 pr_err(MPT3SAS_FMT
"failure at %s:%d/%s()!\n",
7840 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7841 list_del(&ioc
->list
);
7842 goto out_add_shost_fail
;
7845 scsi_scan_host(shost
);
7848 mpt3sas_base_detach(ioc
);
7850 destroy_workqueue(ioc
->firmware_event_thread
);
7852 list_del(&ioc
->list
);
7853 scsi_host_put(shost
);
7859 * _scsih_suspend - power management suspend main entry point
7860 * @pdev: PCI device struct
7861 * @state: PM state change to (usually PCI_D3)
7863 * Returns 0 success, anything else error.
7866 _scsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
7868 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7869 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7870 pci_power_t device_state
;
7872 mpt3sas_base_stop_watchdog(ioc
);
7873 flush_scheduled_work();
7874 scsi_block_requests(shost
);
7875 device_state
= pci_choose_state(pdev
, state
);
7877 "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
7878 ioc
->name
, pdev
, pci_name(pdev
), device_state
);
7880 pci_save_state(pdev
);
7881 mpt3sas_base_free_resources(ioc
);
7882 pci_set_power_state(pdev
, device_state
);
7887 * _scsih_resume - power management resume main entry point
7888 * @pdev: PCI device struct
7890 * Returns 0 success, anything else error.
7893 _scsih_resume(struct pci_dev
*pdev
)
7895 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7896 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7897 pci_power_t device_state
= pdev
->current_state
;
7901 "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
7902 ioc
->name
, pdev
, pci_name(pdev
), device_state
);
7904 pci_set_power_state(pdev
, PCI_D0
);
7905 pci_enable_wake(pdev
, PCI_D0
, 0);
7906 pci_restore_state(pdev
);
7908 r
= mpt3sas_base_map_resources(ioc
);
7912 mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
, SOFT_RESET
);
7913 scsi_unblock_requests(shost
);
7914 mpt3sas_base_start_watchdog(ioc
);
7917 #endif /* CONFIG_PM */
7920 * _scsih_pci_error_detected - Called when a PCI error is detected.
7921 * @pdev: PCI device struct
7922 * @state: PCI channel state
7924 * Description: Called when a PCI error is detected.
7927 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
7929 static pci_ers_result_t
7930 _scsih_pci_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
7932 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7933 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7935 pr_info(MPT3SAS_FMT
"PCI error: detected callback, state(%d)!!\n",
7939 case pci_channel_io_normal
:
7940 return PCI_ERS_RESULT_CAN_RECOVER
;
7941 case pci_channel_io_frozen
:
7942 /* Fatal error, prepare for slot reset */
7943 ioc
->pci_error_recovery
= 1;
7944 scsi_block_requests(ioc
->shost
);
7945 mpt3sas_base_stop_watchdog(ioc
);
7946 mpt3sas_base_free_resources(ioc
);
7947 return PCI_ERS_RESULT_NEED_RESET
;
7948 case pci_channel_io_perm_failure
:
7949 /* Permanent error, prepare for device removal */
7950 ioc
->pci_error_recovery
= 1;
7951 mpt3sas_base_stop_watchdog(ioc
);
7952 _scsih_flush_running_cmds(ioc
);
7953 return PCI_ERS_RESULT_DISCONNECT
;
7955 return PCI_ERS_RESULT_NEED_RESET
;
7959 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
7960 * @pdev: PCI device struct
7962 * Description: This routine is called by the pci error recovery
7963 * code after the PCI slot has been reset, just before we
7964 * should resume normal operations.
7966 static pci_ers_result_t
7967 _scsih_pci_slot_reset(struct pci_dev
*pdev
)
7969 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7970 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
7973 pr_info(MPT3SAS_FMT
"PCI error: slot reset callback!!\n",
7976 ioc
->pci_error_recovery
= 0;
7978 pci_restore_state(pdev
);
7979 rc
= mpt3sas_base_map_resources(ioc
);
7981 return PCI_ERS_RESULT_DISCONNECT
;
7983 rc
= mpt3sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
7986 pr_warn(MPT3SAS_FMT
"hard reset: %s\n", ioc
->name
,
7987 (rc
== 0) ? "success" : "failed");
7990 return PCI_ERS_RESULT_RECOVERED
;
7992 return PCI_ERS_RESULT_DISCONNECT
;
7996 * _scsih_pci_resume() - resume normal ops after PCI reset
7997 * @pdev: pointer to PCI device
7999 * Called when the error recovery driver tells us that its
8000 * OK to resume normal operation. Use completion to allow
8001 * halted scsi ops to resume.
8004 _scsih_pci_resume(struct pci_dev
*pdev
)
8006 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8007 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
8009 pr_info(MPT3SAS_FMT
"PCI error: resume callback!!\n", ioc
->name
);
8011 pci_cleanup_aer_uncorrect_error_status(pdev
);
8012 mpt3sas_base_start_watchdog(ioc
);
8013 scsi_unblock_requests(ioc
->shost
);
8017 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
8018 * @pdev: pointer to PCI device
8020 static pci_ers_result_t
8021 _scsih_pci_mmio_enabled(struct pci_dev
*pdev
)
8023 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8024 struct MPT3SAS_ADAPTER
*ioc
= shost_priv(shost
);
8026 pr_info(MPT3SAS_FMT
"PCI error: mmio enabled callback!!\n",
8029 /* TODO - dump whatever for debugging purposes */
8031 /* Request a slot reset. */
8032 return PCI_ERS_RESULT_NEED_RESET
;
8035 /* raid transport support */
8036 static struct raid_function_template mpt3sas_raid_functions
= {
8037 .cookie
= &scsih_driver_template
,
8038 .is_raid
= _scsih_is_raid
,
8039 .get_resync
= _scsih_get_resync
,
8040 .get_state
= _scsih_get_state
,
8043 static struct pci_error_handlers _scsih_err_handler
= {
8044 .error_detected
= _scsih_pci_error_detected
,
8045 .mmio_enabled
= _scsih_pci_mmio_enabled
,
8046 .slot_reset
= _scsih_pci_slot_reset
,
8047 .resume
= _scsih_pci_resume
,
8050 static struct pci_driver scsih_driver
= {
8051 .name
= MPT3SAS_DRIVER_NAME
,
8052 .id_table
= scsih_pci_table
,
8053 .probe
= _scsih_probe
,
8054 .remove
= _scsih_remove
,
8055 .shutdown
= _scsih_shutdown
,
8056 .err_handler
= &_scsih_err_handler
,
8058 .suspend
= _scsih_suspend
,
8059 .resume
= _scsih_resume
,
8065 * _scsih_init - main entry point for this driver.
8067 * Returns 0 success, anything else error.
8076 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME
,
8077 MPT3SAS_DRIVER_VERSION
);
8079 mpt3sas_transport_template
=
8080 sas_attach_transport(&mpt3sas_transport_functions
);
8081 if (!mpt3sas_transport_template
)
8084 /* raid transport support */
8085 mpt3sas_raid_template
= raid_class_attach(&mpt3sas_raid_functions
);
8086 if (!mpt3sas_raid_template
) {
8087 sas_release_transport(mpt3sas_transport_template
);
8091 mpt3sas_base_initialize_callback_handler();
8093 /* queuecommand callback hander */
8094 scsi_io_cb_idx
= mpt3sas_base_register_callback_handler(_scsih_io_done
);
8096 /* task managment callback handler */
8097 tm_cb_idx
= mpt3sas_base_register_callback_handler(_scsih_tm_done
);
8099 /* base internal commands callback handler */
8100 base_cb_idx
= mpt3sas_base_register_callback_handler(mpt3sas_base_done
);
8101 port_enable_cb_idx
= mpt3sas_base_register_callback_handler(
8102 mpt3sas_port_enable_done
);
8104 /* transport internal commands callback handler */
8105 transport_cb_idx
= mpt3sas_base_register_callback_handler(
8106 mpt3sas_transport_done
);
8108 /* scsih internal commands callback handler */
8109 scsih_cb_idx
= mpt3sas_base_register_callback_handler(_scsih_done
);
8111 /* configuration page API internal commands callback handler */
8112 config_cb_idx
= mpt3sas_base_register_callback_handler(
8113 mpt3sas_config_done
);
8115 /* ctl module callback handler */
8116 ctl_cb_idx
= mpt3sas_base_register_callback_handler(mpt3sas_ctl_done
);
8118 tm_tr_cb_idx
= mpt3sas_base_register_callback_handler(
8119 _scsih_tm_tr_complete
);
8121 tm_tr_volume_cb_idx
= mpt3sas_base_register_callback_handler(
8122 _scsih_tm_volume_tr_complete
);
8124 tm_sas_control_cb_idx
= mpt3sas_base_register_callback_handler(
8125 _scsih_sas_control_complete
);
8129 error
= pci_register_driver(&scsih_driver
);
8131 /* raid transport support */
8132 raid_class_release(mpt3sas_raid_template
);
8133 sas_release_transport(mpt3sas_transport_template
);
8140 * _scsih_exit - exit point for this driver (when it is a module).
8142 * Returns 0 success, anything else error.
8147 pr_info("mpt3sas version %s unloading\n",
8148 MPT3SAS_DRIVER_VERSION
);
8152 pci_unregister_driver(&scsih_driver
);
8155 mpt3sas_base_release_callback_handler(scsi_io_cb_idx
);
8156 mpt3sas_base_release_callback_handler(tm_cb_idx
);
8157 mpt3sas_base_release_callback_handler(base_cb_idx
);
8158 mpt3sas_base_release_callback_handler(port_enable_cb_idx
);
8159 mpt3sas_base_release_callback_handler(transport_cb_idx
);
8160 mpt3sas_base_release_callback_handler(scsih_cb_idx
);
8161 mpt3sas_base_release_callback_handler(config_cb_idx
);
8162 mpt3sas_base_release_callback_handler(ctl_cb_idx
);
8164 mpt3sas_base_release_callback_handler(tm_tr_cb_idx
);
8165 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx
);
8166 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx
);
8168 /* raid transport support */
8169 raid_class_release(mpt3sas_raid_template
);
8170 sas_release_transport(mpt3sas_transport_template
);
8173 module_init(_scsih_init
);
8174 module_exit(_scsih_exit
);