2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
4 * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c
5 * Copyright (C) 2007-2010 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
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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
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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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44 #include <linux/version.h>
45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/blkdev.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/delay.h>
53 #include <linux/pci.h>
54 #include <linux/interrupt.h>
55 #include <linux/aer.h>
56 #include <linux/raid_class.h>
57 #include <linux/slab.h>
59 #include "mpt2sas_base.h"
61 MODULE_AUTHOR(MPT2SAS_AUTHOR
);
62 MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION
);
63 MODULE_LICENSE("GPL");
64 MODULE_VERSION(MPT2SAS_DRIVER_VERSION
);
66 #define RAID_CHANNEL 1
69 static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
70 struct _sas_node
*sas_expander
);
71 static void _firmware_event_work(struct work_struct
*work
);
73 static u8
_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
);
75 /* global parameters */
76 LIST_HEAD(mpt2sas_ioc_list
);
78 /* local parameters */
79 static u8 scsi_io_cb_idx
= -1;
80 static u8 tm_cb_idx
= -1;
81 static u8 ctl_cb_idx
= -1;
82 static u8 base_cb_idx
= -1;
83 static u8 transport_cb_idx
= -1;
84 static u8 scsih_cb_idx
= -1;
85 static u8 config_cb_idx
= -1;
88 static u8 tm_tr_cb_idx
= -1 ;
89 static u8 tm_tr_volume_cb_idx
= -1 ;
90 static u8 tm_sas_control_cb_idx
= -1;
92 /* command line options */
93 static u32 logging_level
;
94 MODULE_PARM_DESC(logging_level
, " bits for enabling additional logging info "
97 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
98 #define MPT2SAS_MAX_LUN (16895)
99 static int max_lun
= MPT2SAS_MAX_LUN
;
100 module_param(max_lun
, int, 0);
101 MODULE_PARM_DESC(max_lun
, " max lun, default=16895 ");
104 * struct sense_info - common structure for obtaining sense keys
106 * @asc: additional sense code
107 * @ascq: additional sense code qualifier
116 #define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF)
119 * struct fw_event_work - firmware event struct
120 * @list: link list framework
121 * @work: work object (ioc->fault_reset_work_q)
122 * @cancel_pending_work: flag set during reset handling
123 * @ioc: per adapter object
124 * @VF_ID: virtual function id
125 * @VP_ID: virtual port id
126 * @ignore: flag meaning this event has been marked to ignore
127 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
128 * @event_data: reply event data payload follows
130 * This object stored on ioc->fw_event_list.
132 struct fw_event_work
{
133 struct list_head list
;
134 u8 cancel_pending_work
;
135 struct delayed_work delayed_work
;
136 struct MPT2SAS_ADAPTER
*ioc
;
144 /* raid transport support */
145 static struct raid_template
*mpt2sas_raid_template
;
148 * struct _scsi_io_transfer - scsi io transfer
149 * @handle: sas device handle (assigned by firmware)
150 * @is_raid: flag set for hidden raid components
151 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
152 * @data_length: data transfer length
153 * @data_dma: dma pointer to data
156 * @cdb_length: cdb length
158 * @timeout: timeout for this command
159 * @VF_ID: virtual function id
160 * @VP_ID: virtual port id
161 * @valid_reply: flag set for reply message
162 * @sense_length: sense length
163 * @ioc_status: ioc status
164 * @scsi_state: scsi state
165 * @scsi_status: scsi staus
166 * @log_info: log information
167 * @transfer_length: data length transfer when there is a reply message
169 * Used for sending internal scsi commands to devices within this module.
170 * Refer to _scsi_send_scsi_io().
172 struct _scsi_io_transfer
{
175 enum dma_data_direction dir
;
178 u8 sense
[SCSI_SENSE_BUFFERSIZE
];
186 /* the following bits are only valid when 'valid_reply = 1' */
196 * The pci device ids are defined in mpi/mpi2_cnfg.h.
198 static struct pci_device_id scsih_pci_table
[] = {
199 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2004
,
200 PCI_ANY_ID
, PCI_ANY_ID
},
202 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2008
,
203 PCI_ANY_ID
, PCI_ANY_ID
},
204 /* Liberator ~ 2108 */
205 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_1
,
206 PCI_ANY_ID
, PCI_ANY_ID
},
207 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_2
,
208 PCI_ANY_ID
, PCI_ANY_ID
},
209 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_3
,
210 PCI_ANY_ID
, PCI_ANY_ID
},
212 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_1
,
213 PCI_ANY_ID
, PCI_ANY_ID
},
214 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_2
,
215 PCI_ANY_ID
, PCI_ANY_ID
},
216 /* Thunderbolt ~ 2208 */
217 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_1
,
218 PCI_ANY_ID
, PCI_ANY_ID
},
219 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_2
,
220 PCI_ANY_ID
, PCI_ANY_ID
},
221 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_3
,
222 PCI_ANY_ID
, PCI_ANY_ID
},
223 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_4
,
224 PCI_ANY_ID
, PCI_ANY_ID
},
225 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_5
,
226 PCI_ANY_ID
, PCI_ANY_ID
},
227 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_6
,
228 PCI_ANY_ID
, PCI_ANY_ID
},
230 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_1
,
231 PCI_ANY_ID
, PCI_ANY_ID
},
232 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_2
,
233 PCI_ANY_ID
, PCI_ANY_ID
},
234 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_3
,
235 PCI_ANY_ID
, PCI_ANY_ID
},
236 {0} /* Terminating entry */
238 MODULE_DEVICE_TABLE(pci
, scsih_pci_table
);
241 * _scsih_set_debug_level - global setting of ioc->logging_level.
243 * Note: The logging levels are defined in mpt2sas_debug.h.
246 _scsih_set_debug_level(const char *val
, struct kernel_param
*kp
)
248 int ret
= param_set_int(val
, kp
);
249 struct MPT2SAS_ADAPTER
*ioc
;
254 printk(KERN_INFO
"setting logging_level(0x%08x)\n", logging_level
);
255 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
)
256 ioc
->logging_level
= logging_level
;
259 module_param_call(logging_level
, _scsih_set_debug_level
, param_get_int
,
260 &logging_level
, 0644);
263 * _scsih_srch_boot_sas_address - search based on sas_address
264 * @sas_address: sas address
265 * @boot_device: boot device object from bios page 2
267 * Returns 1 when there's a match, 0 means no match.
270 _scsih_srch_boot_sas_address(u64 sas_address
,
271 Mpi2BootDeviceSasWwid_t
*boot_device
)
273 return (sas_address
== le64_to_cpu(boot_device
->SASAddress
)) ? 1 : 0;
277 * _scsih_srch_boot_device_name - search based on device name
278 * @device_name: device name specified in INDENTIFY fram
279 * @boot_device: boot device object from bios page 2
281 * Returns 1 when there's a match, 0 means no match.
284 _scsih_srch_boot_device_name(u64 device_name
,
285 Mpi2BootDeviceDeviceName_t
*boot_device
)
287 return (device_name
== le64_to_cpu(boot_device
->DeviceName
)) ? 1 : 0;
291 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
292 * @enclosure_logical_id: enclosure logical id
293 * @slot_number: slot number
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_encl_slot(u64 enclosure_logical_id
, u16 slot_number
,
300 Mpi2BootDeviceEnclosureSlot_t
*boot_device
)
302 return (enclosure_logical_id
== le64_to_cpu(boot_device
->
303 EnclosureLogicalID
) && slot_number
== le16_to_cpu(boot_device
->
304 SlotNumber
)) ? 1 : 0;
308 * _scsih_is_boot_device - search for matching boot device.
309 * @sas_address: sas address
310 * @device_name: device name specified in INDENTIFY fram
311 * @enclosure_logical_id: enclosure logical id
312 * @slot_number: slot number
313 * @form: specifies boot device form
314 * @boot_device: boot device object from bios page 2
316 * Returns 1 when there's a match, 0 means no match.
319 _scsih_is_boot_device(u64 sas_address
, u64 device_name
,
320 u64 enclosure_logical_id
, u16 slot
, u8 form
,
321 Mpi2BiosPage2BootDevice_t
*boot_device
)
326 case MPI2_BIOSPAGE2_FORM_SAS_WWID
:
329 rc
= _scsih_srch_boot_sas_address(
330 sas_address
, &boot_device
->SasWwid
);
332 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT
:
333 if (!enclosure_logical_id
)
335 rc
= _scsih_srch_boot_encl_slot(
336 enclosure_logical_id
,
337 slot
, &boot_device
->EnclosureSlot
);
339 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME
:
342 rc
= _scsih_srch_boot_device_name(
343 device_name
, &boot_device
->DeviceName
);
345 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
:
353 * _scsih_get_sas_address - set the sas_address for given device handle
354 * @handle: device handle
355 * @sas_address: sas address
357 * Returns 0 success, non-zero when failure
360 _scsih_get_sas_address(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
,
363 Mpi2SasDevicePage0_t sas_device_pg0
;
364 Mpi2ConfigReply_t mpi_reply
;
367 if (handle
<= ioc
->sas_hba
.num_phys
) {
368 *sas_address
= ioc
->sas_hba
.sas_address
;
373 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
374 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
375 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
376 ioc
->name
, __FILE__
, __LINE__
, __func__
);
380 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
382 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
383 printk(MPT2SAS_ERR_FMT
"handle(0x%04x), ioc_status(0x%04x)"
384 "\nfailure at %s:%d/%s()!\n", ioc
->name
, handle
, ioc_status
,
385 __FILE__
, __LINE__
, __func__
);
389 *sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
394 * _scsih_determine_boot_device - determine boot device.
395 * @ioc: per adapter object
396 * @device: either sas_device or raid_device object
397 * @is_raid: [flag] 1 = raid object, 0 = sas object
399 * Determines whether this device should be first reported device to
400 * to scsi-ml or sas transport, this purpose is for persistant boot device.
401 * There are primary, alternate, and current entries in bios page 2. The order
402 * priority is primary, alternate, then current. This routine saves
403 * the corresponding device object and is_raid flag in the ioc object.
404 * The saved data to be used later in _scsih_probe_boot_devices().
407 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER
*ioc
,
408 void *device
, u8 is_raid
)
410 struct _sas_device
*sas_device
;
411 struct _raid_device
*raid_device
;
414 u64 enclosure_logical_id
;
417 /* only process this function when driver loads */
418 if (!ioc
->wait_for_port_enable_to_complete
)
423 sas_address
= sas_device
->sas_address
;
424 device_name
= sas_device
->device_name
;
425 enclosure_logical_id
= sas_device
->enclosure_logical_id
;
426 slot
= sas_device
->slot
;
428 raid_device
= device
;
429 sas_address
= raid_device
->wwid
;
431 enclosure_logical_id
= 0;
435 if (!ioc
->req_boot_device
.device
) {
436 if (_scsih_is_boot_device(sas_address
, device_name
,
437 enclosure_logical_id
, slot
,
438 (ioc
->bios_pg2
.ReqBootDeviceForm
&
439 MPI2_BIOSPAGE2_FORM_MASK
),
440 &ioc
->bios_pg2
.RequestedBootDevice
)) {
441 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
442 "%s: req_boot_device(0x%016llx)\n",
444 (unsigned long long)sas_address
));
445 ioc
->req_boot_device
.device
= device
;
446 ioc
->req_boot_device
.is_raid
= is_raid
;
450 if (!ioc
->req_alt_boot_device
.device
) {
451 if (_scsih_is_boot_device(sas_address
, device_name
,
452 enclosure_logical_id
, slot
,
453 (ioc
->bios_pg2
.ReqAltBootDeviceForm
&
454 MPI2_BIOSPAGE2_FORM_MASK
),
455 &ioc
->bios_pg2
.RequestedAltBootDevice
)) {
456 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
457 "%s: req_alt_boot_device(0x%016llx)\n",
459 (unsigned long long)sas_address
));
460 ioc
->req_alt_boot_device
.device
= device
;
461 ioc
->req_alt_boot_device
.is_raid
= is_raid
;
465 if (!ioc
->current_boot_device
.device
) {
466 if (_scsih_is_boot_device(sas_address
, device_name
,
467 enclosure_logical_id
, slot
,
468 (ioc
->bios_pg2
.CurrentBootDeviceForm
&
469 MPI2_BIOSPAGE2_FORM_MASK
),
470 &ioc
->bios_pg2
.CurrentBootDevice
)) {
471 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
472 "%s: current_boot_device(0x%016llx)\n",
474 (unsigned long long)sas_address
));
475 ioc
->current_boot_device
.device
= device
;
476 ioc
->current_boot_device
.is_raid
= is_raid
;
482 * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
483 * @ioc: per adapter object
484 * @sas_address: sas address
485 * Context: Calling function should acquire ioc->sas_device_lock
487 * This searches for sas_device based on sas_address, then return sas_device
491 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
494 struct _sas_device
*sas_device
;
496 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
497 if (sas_device
->sas_address
== sas_address
)
500 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
501 if (sas_device
->sas_address
== sas_address
)
508 * _scsih_sas_device_find_by_handle - sas device search
509 * @ioc: per adapter object
510 * @handle: sas device handle (assigned by firmware)
511 * Context: Calling function should acquire ioc->sas_device_lock
513 * This searches for sas_device based on sas_address, then return sas_device
516 static struct _sas_device
*
517 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
519 struct _sas_device
*sas_device
;
521 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
522 if (sas_device
->handle
== handle
)
525 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
526 if (sas_device
->handle
== handle
)
533 * _scsih_sas_device_remove - remove sas_device from list.
534 * @ioc: per adapter object
535 * @sas_device: the sas_device object
536 * Context: This function will acquire ioc->sas_device_lock.
538 * Removing object and freeing associated memory from the ioc->sas_device_list.
541 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
542 struct _sas_device
*sas_device
)
549 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
550 if (mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
551 sas_device
->sas_address
)) {
552 list_del(&sas_device
->list
);
555 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
559 * _scsih_sas_device_add - insert sas_device to the list.
560 * @ioc: per adapter object
561 * @sas_device: the sas_device object
562 * Context: This function will acquire ioc->sas_device_lock.
564 * Adding new object to the ioc->sas_device_list.
567 _scsih_sas_device_add(struct MPT2SAS_ADAPTER
*ioc
,
568 struct _sas_device
*sas_device
)
572 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
573 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
574 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
576 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
577 list_add_tail(&sas_device
->list
, &ioc
->sas_device_list
);
578 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
580 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
581 sas_device
->sas_address_parent
))
582 _scsih_sas_device_remove(ioc
, sas_device
);
586 * _scsih_sas_device_init_add - insert sas_device to the list.
587 * @ioc: per adapter object
588 * @sas_device: the sas_device object
589 * Context: This function will acquire ioc->sas_device_lock.
591 * Adding new object at driver load time to the ioc->sas_device_init_list.
594 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER
*ioc
,
595 struct _sas_device
*sas_device
)
599 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
600 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
601 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
603 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
604 list_add_tail(&sas_device
->list
, &ioc
->sas_device_init_list
);
605 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
606 _scsih_determine_boot_device(ioc
, sas_device
, 0);
610 * _scsih_raid_device_find_by_id - raid device search
611 * @ioc: per adapter object
612 * @id: sas device target id
613 * @channel: sas device channel
614 * Context: Calling function should acquire ioc->raid_device_lock
616 * This searches for raid_device based on target id, then return raid_device
619 static struct _raid_device
*
620 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER
*ioc
, int id
, int channel
)
622 struct _raid_device
*raid_device
, *r
;
625 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
626 if (raid_device
->id
== id
&& raid_device
->channel
== channel
) {
637 * _scsih_raid_device_find_by_handle - raid device search
638 * @ioc: per adapter object
639 * @handle: sas device handle (assigned by firmware)
640 * Context: Calling function should acquire ioc->raid_device_lock
642 * This searches for raid_device based on handle, then return raid_device
645 static struct _raid_device
*
646 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
648 struct _raid_device
*raid_device
, *r
;
651 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
652 if (raid_device
->handle
!= handle
)
663 * _scsih_raid_device_find_by_wwid - raid device search
664 * @ioc: per adapter object
665 * @handle: sas device handle (assigned by firmware)
666 * Context: Calling function should acquire ioc->raid_device_lock
668 * This searches for raid_device based on wwid, then return raid_device
671 static struct _raid_device
*
672 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
)
674 struct _raid_device
*raid_device
, *r
;
677 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
678 if (raid_device
->wwid
!= wwid
)
689 * _scsih_raid_device_add - add raid_device object
690 * @ioc: per adapter object
691 * @raid_device: raid_device object
693 * This is added to the raid_device_list link list.
696 _scsih_raid_device_add(struct MPT2SAS_ADAPTER
*ioc
,
697 struct _raid_device
*raid_device
)
701 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
702 "(0x%04x), wwid(0x%016llx)\n", ioc
->name
, __func__
,
703 raid_device
->handle
, (unsigned long long)raid_device
->wwid
));
705 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
706 list_add_tail(&raid_device
->list
, &ioc
->raid_device_list
);
707 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
711 * _scsih_raid_device_remove - delete raid_device object
712 * @ioc: per adapter object
713 * @raid_device: raid_device object
715 * This is removed from the raid_device_list link list.
718 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
719 struct _raid_device
*raid_device
)
723 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
724 list_del(&raid_device
->list
);
725 memset(raid_device
, 0, sizeof(struct _raid_device
));
727 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
731 * mpt2sas_scsih_expander_find_by_handle - expander device search
732 * @ioc: per adapter object
733 * @handle: expander handle (assigned by firmware)
734 * Context: Calling function should acquire ioc->sas_device_lock
736 * This searches for expander device based on handle, then returns the
740 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
742 struct _sas_node
*sas_expander
, *r
;
745 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
746 if (sas_expander
->handle
!= handle
)
756 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
757 * @ioc: per adapter object
758 * @sas_address: sas address
759 * Context: Calling function should acquire ioc->sas_node_lock.
761 * This searches for expander device based on sas_address, then returns the
765 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
768 struct _sas_node
*sas_expander
, *r
;
771 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
772 if (sas_expander
->sas_address
!= sas_address
)
782 * _scsih_expander_node_add - insert expander device to the list.
783 * @ioc: per adapter object
784 * @sas_expander: the sas_device object
785 * Context: This function will acquire ioc->sas_node_lock.
787 * Adding new object to the ioc->sas_expander_list.
792 _scsih_expander_node_add(struct MPT2SAS_ADAPTER
*ioc
,
793 struct _sas_node
*sas_expander
)
797 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
798 list_add_tail(&sas_expander
->list
, &ioc
->sas_expander_list
);
799 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
803 * _scsih_is_end_device - determines if device is an end device
804 * @device_info: bitfield providing information about the device.
807 * Returns 1 if end device.
810 _scsih_is_end_device(u32 device_info
)
812 if (device_info
& MPI2_SAS_DEVICE_INFO_END_DEVICE
&&
813 ((device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) |
814 (device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
) |
815 (device_info
& MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)))
822 * mptscsih_get_scsi_lookup - returns scmd entry
823 * @ioc: per adapter object
824 * @smid: system request message index
826 * Returns the smid stored scmd pointer.
828 static struct scsi_cmnd
*
829 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
831 return ioc
->scsi_lookup
[smid
- 1].scmd
;
835 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
836 * @ioc: per adapter object
837 * @smid: system request message index
838 * @scmd: pointer to scsi command object
839 * Context: This function will acquire ioc->scsi_lookup_lock.
841 * This will search for a scmd pointer in the scsi_lookup array,
842 * returning the revelent smid. A returned value of zero means invalid.
845 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
852 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
854 for (i
= 0; i
< ioc
->scsiio_depth
; i
++) {
855 if (ioc
->scsi_lookup
[i
].scmd
== scmd
) {
856 smid
= ioc
->scsi_lookup
[i
].smid
;
861 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
866 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
867 * @ioc: per adapter object
870 * Context: This function will acquire ioc->scsi_lookup_lock.
872 * This will search for a matching channel:id in the scsi_lookup array,
873 * returning 1 if found.
876 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER
*ioc
, int id
,
883 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
885 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
886 if (ioc
->scsi_lookup
[i
].scmd
&&
887 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
888 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
)) {
894 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
899 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
900 * @ioc: per adapter object
904 * Context: This function will acquire ioc->scsi_lookup_lock.
906 * This will search for a matching channel:id:lun in the scsi_lookup array,
907 * returning 1 if found.
910 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER
*ioc
, int id
,
911 unsigned int lun
, int channel
)
917 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
919 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
920 if (ioc
->scsi_lookup
[i
].scmd
&&
921 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
922 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
&&
923 ioc
->scsi_lookup
[i
].scmd
->device
->lun
== lun
)) {
929 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
934 * _scsih_get_chain_buffer_dma - obtain block of chains (dma address)
935 * @ioc: per adapter object
936 * @smid: system request message index
938 * Returns phys pointer to chain buffer.
941 _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
943 return ioc
->chain_dma
+ ((smid
- 1) * (ioc
->request_sz
*
944 ioc
->chains_needed_per_io
));
948 * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request
949 * @ioc: per adapter object
950 * @smid: system request message index
952 * Returns virt pointer to chain buffer.
955 _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
957 return (void *)(ioc
->chain
+ ((smid
- 1) * (ioc
->request_sz
*
958 ioc
->chains_needed_per_io
)));
962 * _scsih_build_scatter_gather - main sg creation routine
963 * @ioc: per adapter object
964 * @scmd: scsi command
965 * @smid: system request message index
968 * The main routine that builds scatter gather table from a given
969 * scsi request sent via the .queuecommand main handler.
971 * Returns 0 success, anything else error
974 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER
*ioc
,
975 struct scsi_cmnd
*scmd
, u16 smid
)
977 Mpi2SCSIIORequest_t
*mpi_request
;
978 dma_addr_t chain_dma
;
979 struct scatterlist
*sg_scmd
;
980 void *sg_local
, *chain
;
987 u32 sgl_flags_last_element
;
988 u32 sgl_flags_end_buffer
;
990 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
992 /* init scatter gather flags */
993 sgl_flags
= MPI2_SGE_FLAGS_SIMPLE_ELEMENT
;
994 if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
995 sgl_flags
|= MPI2_SGE_FLAGS_HOST_TO_IOC
;
996 sgl_flags_last_element
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
)
997 << MPI2_SGE_FLAGS_SHIFT
;
998 sgl_flags_end_buffer
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
|
999 MPI2_SGE_FLAGS_END_OF_BUFFER
| MPI2_SGE_FLAGS_END_OF_LIST
)
1000 << MPI2_SGE_FLAGS_SHIFT
;
1001 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
1003 sg_scmd
= scsi_sglist(scmd
);
1004 sges_left
= scsi_dma_map(scmd
);
1005 if (sges_left
< 0) {
1006 sdev_printk(KERN_ERR
, scmd
->device
, "pci_map_sg"
1007 " failed: request for %d bytes!\n", scsi_bufflen(scmd
));
1011 sg_local
= &mpi_request
->SGL
;
1012 sges_in_segment
= ioc
->max_sges_in_main_message
;
1013 if (sges_left
<= sges_in_segment
)
1014 goto fill_in_last_segment
;
1016 mpi_request
->ChainOffset
= (offsetof(Mpi2SCSIIORequest_t
, SGL
) +
1017 (sges_in_segment
* ioc
->sge_size
))/4;
1019 /* fill in main message segment when there is a chain following */
1020 while (sges_in_segment
) {
1021 if (sges_in_segment
== 1)
1022 ioc
->base_add_sg_single(sg_local
,
1023 sgl_flags_last_element
| sg_dma_len(sg_scmd
),
1024 sg_dma_address(sg_scmd
));
1026 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1027 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1028 sg_scmd
= sg_next(sg_scmd
);
1029 sg_local
+= ioc
->sge_size
;
1034 /* initializing the chain flags and pointers */
1035 chain_flags
= MPI2_SGE_FLAGS_CHAIN_ELEMENT
<< MPI2_SGE_FLAGS_SHIFT
;
1036 chain
= _scsih_get_chain_buffer(ioc
, smid
);
1037 chain_dma
= _scsih_get_chain_buffer_dma(ioc
, smid
);
1039 sges_in_segment
= (sges_left
<=
1040 ioc
->max_sges_in_chain_message
) ? sges_left
:
1041 ioc
->max_sges_in_chain_message
;
1042 chain_offset
= (sges_left
== sges_in_segment
) ?
1043 0 : (sges_in_segment
* ioc
->sge_size
)/4;
1044 chain_length
= sges_in_segment
* ioc
->sge_size
;
1046 chain_offset
= chain_offset
<<
1047 MPI2_SGE_CHAIN_OFFSET_SHIFT
;
1048 chain_length
+= ioc
->sge_size
;
1050 ioc
->base_add_sg_single(sg_local
, chain_flags
| chain_offset
|
1051 chain_length
, chain_dma
);
1054 goto fill_in_last_segment
;
1056 /* fill in chain segments */
1057 while (sges_in_segment
) {
1058 if (sges_in_segment
== 1)
1059 ioc
->base_add_sg_single(sg_local
,
1060 sgl_flags_last_element
|
1061 sg_dma_len(sg_scmd
),
1062 sg_dma_address(sg_scmd
));
1064 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1065 sg_dma_len(sg_scmd
),
1066 sg_dma_address(sg_scmd
));
1067 sg_scmd
= sg_next(sg_scmd
);
1068 sg_local
+= ioc
->sge_size
;
1073 chain_dma
+= ioc
->request_sz
;
1074 chain
+= ioc
->request_sz
;
1078 fill_in_last_segment
:
1080 /* fill the last segment */
1083 ioc
->base_add_sg_single(sg_local
, sgl_flags_end_buffer
|
1084 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1086 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1087 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1088 sg_scmd
= sg_next(sg_scmd
);
1089 sg_local
+= ioc
->sge_size
;
1097 * _scsih_change_queue_depth - setting device queue depth
1098 * @sdev: scsi device struct
1099 * @qdepth: requested queue depth
1100 * @reason: calling context
1102 * Returns queue depth.
1105 _scsih_change_queue_depth(struct scsi_device
*sdev
, int qdepth
, int reason
)
1107 struct Scsi_Host
*shost
= sdev
->host
;
1110 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1111 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1112 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1113 struct _sas_device
*sas_device
;
1114 unsigned long flags
;
1116 if (reason
!= SCSI_QDEPTH_DEFAULT
)
1119 max_depth
= shost
->can_queue
;
1121 /* limit max device queue for SATA to 32 */
1122 sas_device_priv_data
= sdev
->hostdata
;
1123 if (!sas_device_priv_data
)
1125 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1126 if (!sas_target_priv_data
)
1128 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))
1130 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1131 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1132 sas_device_priv_data
->sas_target
->sas_address
);
1133 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1134 if (sas_device
&& sas_device
->device_info
&
1135 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1136 max_depth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1140 if (!sdev
->tagged_supported
)
1142 if (qdepth
> max_depth
)
1144 tag_type
= (qdepth
== 1) ? 0 : MSG_SIMPLE_TAG
;
1145 scsi_adjust_queue_depth(sdev
, tag_type
, qdepth
);
1147 if (sdev
->inquiry_len
> 7)
1148 sdev_printk(KERN_INFO
, sdev
, "qdepth(%d), tagged(%d), "
1149 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1150 sdev
->queue_depth
, sdev
->tagged_supported
, sdev
->simple_tags
,
1151 sdev
->ordered_tags
, sdev
->scsi_level
,
1152 (sdev
->inquiry
[7] & 2) >> 1);
1154 return sdev
->queue_depth
;
1158 * _scsih_change_queue_type - changing device queue tag type
1159 * @sdev: scsi device struct
1160 * @tag_type: requested tag type
1162 * Returns queue tag type.
1165 _scsih_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1167 if (sdev
->tagged_supported
) {
1168 scsi_set_tag_type(sdev
, tag_type
);
1170 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1172 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1180 * _scsih_target_alloc - target add routine
1181 * @starget: scsi target struct
1183 * Returns 0 if ok. Any other return is assumed to be an error and
1184 * the device is ignored.
1187 _scsih_target_alloc(struct scsi_target
*starget
)
1189 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1190 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1191 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1192 struct _sas_device
*sas_device
;
1193 struct _raid_device
*raid_device
;
1194 unsigned long flags
;
1195 struct sas_rphy
*rphy
;
1197 sas_target_priv_data
= kzalloc(sizeof(struct scsi_target
), GFP_KERNEL
);
1198 if (!sas_target_priv_data
)
1201 starget
->hostdata
= sas_target_priv_data
;
1202 sas_target_priv_data
->starget
= starget
;
1203 sas_target_priv_data
->handle
= MPT2SAS_INVALID_DEVICE_HANDLE
;
1206 if (starget
->channel
== RAID_CHANNEL
) {
1207 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1208 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1211 sas_target_priv_data
->handle
= raid_device
->handle
;
1212 sas_target_priv_data
->sas_address
= raid_device
->wwid
;
1213 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_VOLUME
;
1214 raid_device
->starget
= starget
;
1216 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1220 /* sas/sata devices */
1221 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1222 rphy
= dev_to_rphy(starget
->dev
.parent
);
1223 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1224 rphy
->identify
.sas_address
);
1227 sas_target_priv_data
->handle
= sas_device
->handle
;
1228 sas_target_priv_data
->sas_address
= sas_device
->sas_address
;
1229 sas_device
->starget
= starget
;
1230 sas_device
->id
= starget
->id
;
1231 sas_device
->channel
= starget
->channel
;
1232 if (test_bit(sas_device
->handle
, ioc
->pd_handles
))
1233 sas_target_priv_data
->flags
|=
1234 MPT_TARGET_FLAGS_RAID_COMPONENT
;
1236 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1242 * _scsih_target_destroy - target destroy routine
1243 * @starget: scsi target struct
1248 _scsih_target_destroy(struct scsi_target
*starget
)
1250 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1251 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1252 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1253 struct _sas_device
*sas_device
;
1254 struct _raid_device
*raid_device
;
1255 unsigned long flags
;
1256 struct sas_rphy
*rphy
;
1258 sas_target_priv_data
= starget
->hostdata
;
1259 if (!sas_target_priv_data
)
1262 if (starget
->channel
== RAID_CHANNEL
) {
1263 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1264 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1267 raid_device
->starget
= NULL
;
1268 raid_device
->sdev
= NULL
;
1270 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1274 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1275 rphy
= dev_to_rphy(starget
->dev
.parent
);
1276 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1277 rphy
->identify
.sas_address
);
1278 if (sas_device
&& (sas_device
->starget
== starget
) &&
1279 (sas_device
->id
== starget
->id
) &&
1280 (sas_device
->channel
== starget
->channel
))
1281 sas_device
->starget
= NULL
;
1283 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1286 kfree(sas_target_priv_data
);
1287 starget
->hostdata
= NULL
;
1291 * _scsih_slave_alloc - device add routine
1292 * @sdev: scsi device struct
1294 * Returns 0 if ok. Any other return is assumed to be an error and
1295 * the device is ignored.
1298 _scsih_slave_alloc(struct scsi_device
*sdev
)
1300 struct Scsi_Host
*shost
;
1301 struct MPT2SAS_ADAPTER
*ioc
;
1302 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1303 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1304 struct scsi_target
*starget
;
1305 struct _raid_device
*raid_device
;
1306 unsigned long flags
;
1308 sas_device_priv_data
= kzalloc(sizeof(struct scsi_device
), GFP_KERNEL
);
1309 if (!sas_device_priv_data
)
1312 sas_device_priv_data
->lun
= sdev
->lun
;
1313 sas_device_priv_data
->flags
= MPT_DEVICE_FLAGS_INIT
;
1315 starget
= scsi_target(sdev
);
1316 sas_target_priv_data
= starget
->hostdata
;
1317 sas_target_priv_data
->num_luns
++;
1318 sas_device_priv_data
->sas_target
= sas_target_priv_data
;
1319 sdev
->hostdata
= sas_device_priv_data
;
1320 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
))
1321 sdev
->no_uld_attach
= 1;
1323 shost
= dev_to_shost(&starget
->dev
);
1324 ioc
= shost_priv(shost
);
1325 if (starget
->channel
== RAID_CHANNEL
) {
1326 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1327 raid_device
= _scsih_raid_device_find_by_id(ioc
,
1328 starget
->id
, starget
->channel
);
1330 raid_device
->sdev
= sdev
; /* raid is single lun */
1331 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1338 * _scsih_slave_destroy - device destroy routine
1339 * @sdev: scsi device struct
1344 _scsih_slave_destroy(struct scsi_device
*sdev
)
1346 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1347 struct scsi_target
*starget
;
1349 if (!sdev
->hostdata
)
1352 starget
= scsi_target(sdev
);
1353 sas_target_priv_data
= starget
->hostdata
;
1354 sas_target_priv_data
->num_luns
--;
1355 kfree(sdev
->hostdata
);
1356 sdev
->hostdata
= NULL
;
1360 * _scsih_display_sata_capabilities - sata capabilities
1361 * @ioc: per adapter object
1362 * @sas_device: the sas_device object
1363 * @sdev: scsi device struct
1366 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1367 struct _sas_device
*sas_device
, struct scsi_device
*sdev
)
1369 Mpi2ConfigReply_t mpi_reply
;
1370 Mpi2SasDevicePage0_t sas_device_pg0
;
1375 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
1376 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, sas_device
->handle
))) {
1377 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1378 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1382 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1383 MPI2_IOCSTATUS_MASK
;
1384 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1385 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1386 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1390 flags
= le16_to_cpu(sas_device_pg0
.Flags
);
1391 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1393 sdev_printk(KERN_INFO
, sdev
,
1394 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1395 "sw_preserve(%s)\n",
1396 (device_info
& MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE
) ? "y" : "n",
1397 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED
) ? "y" : "n",
1398 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY
) ? "y" :
1400 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED
) ? "y" : "n",
1401 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED
) ? "y" : "n",
1402 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE
) ? "y" : "n");
1406 * _scsih_is_raid - return boolean indicating device is raid volume
1407 * @dev the device struct object
1410 _scsih_is_raid(struct device
*dev
)
1412 struct scsi_device
*sdev
= to_scsi_device(dev
);
1414 return (sdev
->channel
== RAID_CHANNEL
) ? 1 : 0;
1418 * _scsih_get_resync - get raid volume resync percent complete
1419 * @dev the device struct object
1422 _scsih_get_resync(struct device
*dev
)
1424 struct scsi_device
*sdev
= to_scsi_device(dev
);
1425 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1426 static struct _raid_device
*raid_device
;
1427 unsigned long flags
;
1428 Mpi2RaidVolPage0_t vol_pg0
;
1429 Mpi2ConfigReply_t mpi_reply
;
1430 u32 volume_status_flags
;
1431 u8 percent_complete
= 0;
1433 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1434 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1436 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1441 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1442 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
,
1443 sizeof(Mpi2RaidVolPage0_t
))) {
1444 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1445 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1449 volume_status_flags
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1450 if (volume_status_flags
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
)
1451 percent_complete
= raid_device
->percent_complete
;
1453 raid_set_resync(mpt2sas_raid_template
, dev
, percent_complete
);
1457 * _scsih_get_state - get raid volume level
1458 * @dev the device struct object
1461 _scsih_get_state(struct device
*dev
)
1463 struct scsi_device
*sdev
= to_scsi_device(dev
);
1464 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1465 static struct _raid_device
*raid_device
;
1466 unsigned long flags
;
1467 Mpi2RaidVolPage0_t vol_pg0
;
1468 Mpi2ConfigReply_t mpi_reply
;
1470 enum raid_state state
= RAID_STATE_UNKNOWN
;
1472 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1473 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1475 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1480 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1481 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
,
1482 sizeof(Mpi2RaidVolPage0_t
))) {
1483 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1484 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1488 volstate
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1489 if (volstate
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
) {
1490 state
= RAID_STATE_RESYNCING
;
1494 switch (vol_pg0
.VolumeState
) {
1495 case MPI2_RAID_VOL_STATE_OPTIMAL
:
1496 case MPI2_RAID_VOL_STATE_ONLINE
:
1497 state
= RAID_STATE_ACTIVE
;
1499 case MPI2_RAID_VOL_STATE_DEGRADED
:
1500 state
= RAID_STATE_DEGRADED
;
1502 case MPI2_RAID_VOL_STATE_FAILED
:
1503 case MPI2_RAID_VOL_STATE_MISSING
:
1504 state
= RAID_STATE_OFFLINE
;
1508 raid_set_state(mpt2sas_raid_template
, dev
, state
);
1512 * _scsih_set_level - set raid level
1513 * @sdev: scsi device struct
1514 * @raid_device: raid_device object
1517 _scsih_set_level(struct scsi_device
*sdev
, struct _raid_device
*raid_device
)
1519 enum raid_level level
= RAID_LEVEL_UNKNOWN
;
1521 switch (raid_device
->volume_type
) {
1522 case MPI2_RAID_VOL_TYPE_RAID0
:
1523 level
= RAID_LEVEL_0
;
1525 case MPI2_RAID_VOL_TYPE_RAID10
:
1526 level
= RAID_LEVEL_10
;
1528 case MPI2_RAID_VOL_TYPE_RAID1E
:
1529 level
= RAID_LEVEL_1E
;
1531 case MPI2_RAID_VOL_TYPE_RAID1
:
1532 level
= RAID_LEVEL_1
;
1536 raid_set_level(mpt2sas_raid_template
, &sdev
->sdev_gendev
, level
);
1540 * _scsih_get_volume_capabilities - volume capabilities
1541 * @ioc: per adapter object
1542 * @sas_device: the raid_device object
1545 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1546 struct _raid_device
*raid_device
)
1548 Mpi2RaidVolPage0_t
*vol_pg0
;
1549 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1550 Mpi2SasDevicePage0_t sas_device_pg0
;
1551 Mpi2ConfigReply_t mpi_reply
;
1555 if ((mpt2sas_config_get_number_pds(ioc
, raid_device
->handle
,
1556 &num_pds
)) || !num_pds
) {
1557 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1558 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1562 raid_device
->num_pds
= num_pds
;
1563 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1564 sizeof(Mpi2RaidVol0PhysDisk_t
));
1565 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1567 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1568 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1572 if ((mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1573 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1574 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1575 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1580 raid_device
->volume_type
= vol_pg0
->VolumeType
;
1582 /* figure out what the underlying devices are by
1583 * obtaining the device_info bits for the 1st device
1585 if (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1586 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1587 vol_pg0
->PhysDisk
[0].PhysDiskNum
))) {
1588 if (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
1589 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
1590 le16_to_cpu(pd_pg0
.DevHandle
)))) {
1591 raid_device
->device_info
=
1592 le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1600 * _scsih_enable_tlr - setting TLR flags
1601 * @ioc: per adapter object
1602 * @sdev: scsi device struct
1604 * Enabling Transaction Layer Retries for tape devices when
1605 * vpd page 0x90 is present
1609 _scsih_enable_tlr(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_device
*sdev
)
1612 if (sdev
->type
!= TYPE_TAPE
)
1615 if (!(ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_TLR
))
1618 sas_enable_tlr(sdev
);
1619 sdev_printk(KERN_INFO
, sdev
, "TLR %s\n",
1620 sas_is_tlr_enabled(sdev
) ? "Enabled" : "Disabled");
1626 * _scsih_slave_configure - device configure routine.
1627 * @sdev: scsi device struct
1629 * Returns 0 if ok. Any other return is assumed to be an error and
1630 * the device is ignored.
1633 _scsih_slave_configure(struct scsi_device
*sdev
)
1635 struct Scsi_Host
*shost
= sdev
->host
;
1636 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1637 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1638 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1639 struct _sas_device
*sas_device
;
1640 struct _raid_device
*raid_device
;
1641 unsigned long flags
;
1648 sas_device_priv_data
= sdev
->hostdata
;
1649 sas_device_priv_data
->configured_lun
= 1;
1650 sas_device_priv_data
->flags
&= ~MPT_DEVICE_FLAGS_INIT
;
1651 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1653 /* raid volume handling */
1654 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
1656 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1657 raid_device
= _scsih_raid_device_find_by_handle(ioc
,
1658 sas_target_priv_data
->handle
);
1659 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1661 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1662 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1666 _scsih_get_volume_capabilities(ioc
, raid_device
);
1668 /* RAID Queue Depth Support
1669 * IS volume = underlying qdepth of drive type, either
1670 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
1671 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
1673 if (raid_device
->device_info
&
1674 MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
1675 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
1678 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1679 if (raid_device
->device_info
&
1680 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1686 switch (raid_device
->volume_type
) {
1687 case MPI2_RAID_VOL_TYPE_RAID0
:
1690 case MPI2_RAID_VOL_TYPE_RAID1E
:
1691 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
1692 if (ioc
->manu_pg10
.OEMIdentifier
&&
1693 (ioc
->manu_pg10
.GenericFlags0
&
1694 MFG10_GF0_R10_DISPLAY
) &&
1695 !(raid_device
->num_pds
% 2))
1700 case MPI2_RAID_VOL_TYPE_RAID1
:
1701 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
1704 case MPI2_RAID_VOL_TYPE_RAID10
:
1705 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
1708 case MPI2_RAID_VOL_TYPE_UNKNOWN
:
1710 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
1715 sdev_printk(KERN_INFO
, sdev
, "%s: "
1716 "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n",
1717 r_level
, raid_device
->handle
,
1718 (unsigned long long)raid_device
->wwid
,
1719 raid_device
->num_pds
, ds
);
1720 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
1721 /* raid transport support */
1722 _scsih_set_level(sdev
, raid_device
);
1726 /* non-raid handling */
1727 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1728 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1729 sas_device_priv_data
->sas_target
->sas_address
);
1730 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1732 if (sas_target_priv_data
->flags
&
1733 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
1734 mpt2sas_config_get_volume_handle(ioc
,
1735 sas_device
->handle
, &sas_device
->volume_handle
);
1736 mpt2sas_config_get_volume_wwid(ioc
,
1737 sas_device
->volume_handle
,
1738 &sas_device
->volume_wwid
);
1740 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
1741 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
1745 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1746 if (sas_device
->device_info
&
1747 MPI2_SAS_DEVICE_INFO_STP_TARGET
)
1749 else if (sas_device
->device_info
&
1750 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1754 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), "
1755 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1756 ds
, sas_device
->handle
,
1757 (unsigned long long)sas_device
->sas_address
,
1759 (unsigned long long)sas_device
->device_name
);
1760 sdev_printk(KERN_INFO
, sdev
, "%s: "
1761 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds
,
1762 (unsigned long long) sas_device
->enclosure_logical_id
,
1766 _scsih_display_sata_capabilities(ioc
, sas_device
, sdev
);
1769 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
1772 sas_read_port_mode_page(sdev
);
1773 _scsih_enable_tlr(ioc
, sdev
);
1779 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
1780 * @sdev: scsi device struct
1781 * @bdev: pointer to block device context
1782 * @capacity: device size (in 512 byte sectors)
1783 * @params: three element array to place output:
1784 * params[0] number of heads (max 255)
1785 * params[1] number of sectors (max 63)
1786 * params[2] number of cylinders
1791 _scsih_bios_param(struct scsi_device
*sdev
, struct block_device
*bdev
,
1792 sector_t capacity
, int params
[])
1802 dummy
= heads
* sectors
;
1803 cylinders
= capacity
;
1804 sector_div(cylinders
, dummy
);
1807 * Handle extended translation size for logical drives
1810 if ((ulong
)capacity
>= 0x200000) {
1813 dummy
= heads
* sectors
;
1814 cylinders
= capacity
;
1815 sector_div(cylinders
, dummy
);
1820 params
[1] = sectors
;
1821 params
[2] = cylinders
;
1827 * _scsih_response_code - translation of device response code
1828 * @ioc: per adapter object
1829 * @response_code: response code returned by the device
1834 _scsih_response_code(struct MPT2SAS_ADAPTER
*ioc
, u8 response_code
)
1838 switch (response_code
) {
1839 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE
:
1840 desc
= "task management request completed";
1842 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
:
1843 desc
= "invalid frame";
1845 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED
:
1846 desc
= "task management request not supported";
1848 case MPI2_SCSITASKMGMT_RSP_TM_FAILED
:
1849 desc
= "task management request failed";
1851 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
:
1852 desc
= "task management request succeeded";
1854 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN
:
1855 desc
= "invalid lun";
1858 desc
= "overlapped tag attempted";
1860 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
:
1861 desc
= "task queued, however not sent to target";
1867 printk(MPT2SAS_WARN_FMT
"response_code(0x%01x): %s\n",
1868 ioc
->name
, response_code
, desc
);
1872 * _scsih_tm_done - tm completion routine
1873 * @ioc: per adapter object
1874 * @smid: system request message index
1875 * @msix_index: MSIX table index supplied by the OS
1876 * @reply: reply message frame(lower 32bit addr)
1879 * The callback handler when using scsih_issue_tm.
1881 * Return 1 meaning mf should be freed from _base_interrupt
1882 * 0 means the mf is freed from this function.
1885 _scsih_tm_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
1887 MPI2DefaultReply_t
*mpi_reply
;
1889 if (ioc
->tm_cmds
.status
== MPT2_CMD_NOT_USED
)
1891 if (ioc
->tm_cmds
.smid
!= smid
)
1893 ioc
->tm_cmds
.status
|= MPT2_CMD_COMPLETE
;
1894 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
1896 memcpy(ioc
->tm_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
1897 ioc
->tm_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
1899 ioc
->tm_cmds
.status
&= ~MPT2_CMD_PENDING
;
1900 complete(&ioc
->tm_cmds
.done
);
1905 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
1906 * @ioc: per adapter object
1907 * @handle: device handle
1909 * During taskmangement request, we need to freeze the device queue.
1912 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
1914 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1915 struct scsi_device
*sdev
;
1918 shost_for_each_device(sdev
, ioc
->shost
) {
1921 sas_device_priv_data
= sdev
->hostdata
;
1922 if (!sas_device_priv_data
)
1924 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
1925 sas_device_priv_data
->sas_target
->tm_busy
= 1;
1927 ioc
->ignore_loginfos
= 1;
1933 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
1934 * @ioc: per adapter object
1935 * @handle: device handle
1937 * During taskmangement request, we need to freeze the device queue.
1940 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
1942 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1943 struct scsi_device
*sdev
;
1946 shost_for_each_device(sdev
, ioc
->shost
) {
1949 sas_device_priv_data
= sdev
->hostdata
;
1950 if (!sas_device_priv_data
)
1952 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
1953 sas_device_priv_data
->sas_target
->tm_busy
= 0;
1955 ioc
->ignore_loginfos
= 0;
1962 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
1963 * @ioc: per adapter struct
1964 * @device_handle: device handle
1965 * @channel: the channel assigned by the OS
1966 * @id: the id assigned by the OS
1968 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
1969 * @smid_task: smid assigned to the task
1970 * @timeout: timeout in seconds
1973 * A generic API for sending task management requests to firmware.
1975 * The callback index is set inside `ioc->tm_cb_idx`.
1977 * Return SUCCESS or FAILED.
1980 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, uint channel
,
1981 uint id
, uint lun
, u8 type
, u16 smid_task
, ulong timeout
,
1982 struct scsi_cmnd
*scmd
)
1984 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
1985 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
1988 unsigned long timeleft
;
1989 struct scsi_cmnd
*scmd_lookup
;
1992 mutex_lock(&ioc
->tm_cmds
.mutex
);
1993 if (ioc
->tm_cmds
.status
!= MPT2_CMD_NOT_USED
) {
1994 printk(MPT2SAS_INFO_FMT
"%s: tm_cmd busy!!!\n",
1995 __func__
, ioc
->name
);
2000 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2001 ioc
->pci_error_recovery
) {
2002 printk(MPT2SAS_INFO_FMT
"%s: host reset in progress!\n",
2003 __func__
, ioc
->name
);
2008 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 0);
2009 if (ioc_state
& MPI2_DOORBELL_USED
) {
2010 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"unexpected doorbell "
2011 "active!\n", ioc
->name
));
2012 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2018 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
2019 mpt2sas_base_fault_info(ioc
, ioc_state
&
2020 MPI2_DOORBELL_DATA_MASK
);
2021 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2027 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_cb_idx
);
2029 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2030 ioc
->name
, __func__
);
2035 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sending tm: handle(0x%04x),"
2036 " task_type(0x%02x), smid(%d)\n", ioc
->name
, handle
, type
,
2038 ioc
->tm_cmds
.status
= MPT2_CMD_PENDING
;
2039 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2040 ioc
->tm_cmds
.smid
= smid
;
2041 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2042 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2043 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2044 mpi_request
->TaskType
= type
;
2045 mpi_request
->TaskMID
= cpu_to_le16(smid_task
);
2046 int_to_scsilun(lun
, (struct scsi_lun
*)mpi_request
->LUN
);
2047 mpt2sas_scsih_set_tm_flag(ioc
, handle
);
2048 init_completion(&ioc
->tm_cmds
.done
);
2049 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
2050 timeleft
= wait_for_completion_timeout(&ioc
->tm_cmds
.done
, timeout
*HZ
);
2051 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_COMPLETE
)) {
2052 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
2053 ioc
->name
, __func__
);
2054 _debug_dump_mf(mpi_request
,
2055 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2056 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_RESET
)) {
2057 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2060 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2061 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2066 if (ioc
->tm_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
2067 mpi_reply
= ioc
->tm_cmds
.reply
;
2068 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"complete tm: "
2069 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2070 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
2071 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2072 le32_to_cpu(mpi_reply
->TerminationCount
)));
2073 if (ioc
->logging_level
& MPT_DEBUG_TM
) {
2074 _scsih_response_code(ioc
, mpi_reply
->ResponseCode
);
2075 if (mpi_reply
->IOCStatus
)
2076 _debug_dump_mf(mpi_request
,
2077 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2082 * Check to see the commands were terminated.
2083 * This is only needed for eh callbacks, hence the scmd check.
2087 goto bypass_sanity_checks
;
2089 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
:
2090 scmd_lookup
= _scsih_scsi_lookup_get(ioc
, smid_task
);
2091 if (scmd_lookup
&& (scmd_lookup
->serial_number
==
2092 scmd
->serial_number
))
2098 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
:
2099 if (_scsih_scsi_lookup_find_by_target(ioc
, id
, channel
))
2105 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
:
2106 if (_scsih_scsi_lookup_find_by_lun(ioc
, id
, lun
, channel
))
2113 bypass_sanity_checks
:
2115 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2116 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2117 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2122 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2127 * _scsih_tm_display_info - displays info about the device
2128 * @ioc: per adapter struct
2129 * @scmd: pointer to scsi command object
2131 * Called by task management callback handlers.
2134 _scsih_tm_display_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
)
2136 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2137 struct MPT2SAS_TARGET
*priv_target
= starget
->hostdata
;
2138 struct _sas_device
*sas_device
= NULL
;
2139 unsigned long flags
;
2144 scsi_print_command(scmd
);
2145 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2146 starget_printk(KERN_INFO
, starget
, "volume handle(0x%04x), "
2147 "volume wwid(0x%016llx)\n",
2148 priv_target
->handle
,
2149 (unsigned long long)priv_target
->sas_address
);
2151 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2152 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
2153 priv_target
->sas_address
);
2155 if (priv_target
->flags
&
2156 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2157 starget_printk(KERN_INFO
, starget
,
2158 "volume handle(0x%04x), "
2159 "volume wwid(0x%016llx)\n",
2160 sas_device
->volume_handle
,
2161 (unsigned long long)sas_device
->volume_wwid
);
2163 starget_printk(KERN_INFO
, starget
,
2164 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2166 (unsigned long long)sas_device
->sas_address
,
2168 starget_printk(KERN_INFO
, starget
,
2169 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2170 (unsigned long long)sas_device
->enclosure_logical_id
,
2173 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2178 * _scsih_abort - eh threads main abort routine
2179 * @scmd: pointer to scsi command object
2181 * Returns SUCCESS if command aborted else FAILED
2184 _scsih_abort(struct scsi_cmnd
*scmd
)
2186 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2187 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2192 sdev_printk(KERN_INFO
, scmd
->device
, "attempting task abort! "
2193 "scmd(%p)\n", scmd
);
2194 _scsih_tm_display_info(ioc
, scmd
);
2196 sas_device_priv_data
= scmd
->device
->hostdata
;
2197 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2198 sdev_printk(KERN_INFO
, scmd
->device
, "device been deleted! "
2199 "scmd(%p)\n", scmd
);
2200 scmd
->result
= DID_NO_CONNECT
<< 16;
2201 scmd
->scsi_done(scmd
);
2206 /* search for the command */
2207 smid
= _scsih_scsi_lookup_find_by_scmd(ioc
, scmd
);
2209 scmd
->result
= DID_RESET
<< 16;
2214 /* for hidden raid components and volumes this is not supported */
2215 if (sas_device_priv_data
->sas_target
->flags
&
2216 MPT_TARGET_FLAGS_RAID_COMPONENT
||
2217 sas_device_priv_data
->sas_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2218 scmd
->result
= DID_RESET
<< 16;
2223 mpt2sas_halt_firmware(ioc
);
2225 handle
= sas_device_priv_data
->sas_target
->handle
;
2226 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2227 scmd
->device
->id
, scmd
->device
->lun
,
2228 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30, scmd
);
2231 sdev_printk(KERN_INFO
, scmd
->device
, "task abort: %s scmd(%p)\n",
2232 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2237 * _scsih_dev_reset - eh threads main device reset routine
2238 * @scmd: pointer to scsi command object
2240 * Returns SUCCESS if command aborted else FAILED
2243 _scsih_dev_reset(struct scsi_cmnd
*scmd
)
2245 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2246 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2247 struct _sas_device
*sas_device
;
2248 unsigned long flags
;
2252 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2254 starget_printk(KERN_INFO
, starget
, "attempting target reset! "
2255 "scmd(%p)\n", scmd
);
2256 _scsih_tm_display_info(ioc
, scmd
);
2258 sas_device_priv_data
= scmd
->device
->hostdata
;
2259 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2260 starget_printk(KERN_INFO
, starget
, "target been deleted! "
2261 "scmd(%p)\n", scmd
);
2262 scmd
->result
= DID_NO_CONNECT
<< 16;
2263 scmd
->scsi_done(scmd
);
2268 /* for hidden raid components obtain the volume_handle */
2270 if (sas_device_priv_data
->sas_target
->flags
&
2271 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2272 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2273 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2274 sas_device_priv_data
->sas_target
->handle
);
2276 handle
= sas_device
->volume_handle
;
2277 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2279 handle
= sas_device_priv_data
->sas_target
->handle
;
2282 scmd
->result
= DID_RESET
<< 16;
2287 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2288 scmd
->device
->id
, scmd
->device
->lun
,
2289 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
, 0, 30, scmd
);
2292 sdev_printk(KERN_INFO
, scmd
->device
, "device reset: %s scmd(%p)\n",
2293 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2298 * _scsih_target_reset - eh threads main target reset routine
2299 * @scmd: pointer to scsi command object
2301 * Returns SUCCESS if command aborted else FAILED
2304 _scsih_target_reset(struct scsi_cmnd
*scmd
)
2306 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2307 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2308 struct _sas_device
*sas_device
;
2309 unsigned long flags
;
2312 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2314 starget_printk(KERN_INFO
, starget
, "attempting target reset! "
2315 "scmd(%p)\n", scmd
);
2316 _scsih_tm_display_info(ioc
, scmd
);
2318 sas_device_priv_data
= scmd
->device
->hostdata
;
2319 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2320 starget_printk(KERN_INFO
, starget
, "target been deleted! "
2321 "scmd(%p)\n", scmd
);
2322 scmd
->result
= DID_NO_CONNECT
<< 16;
2323 scmd
->scsi_done(scmd
);
2328 /* for hidden raid components obtain the volume_handle */
2330 if (sas_device_priv_data
->sas_target
->flags
&
2331 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2332 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2333 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2334 sas_device_priv_data
->sas_target
->handle
);
2336 handle
= sas_device
->volume_handle
;
2337 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2339 handle
= sas_device_priv_data
->sas_target
->handle
;
2342 scmd
->result
= DID_RESET
<< 16;
2347 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2348 scmd
->device
->id
, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0,
2352 starget_printk(KERN_INFO
, starget
, "target reset: %s scmd(%p)\n",
2353 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2358 * _scsih_host_reset - eh threads main host reset routine
2359 * @scmd: pointer to scsi command object
2361 * Returns SUCCESS if command aborted else FAILED
2364 _scsih_host_reset(struct scsi_cmnd
*scmd
)
2366 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2369 printk(MPT2SAS_INFO_FMT
"attempting host reset! scmd(%p)\n",
2371 scsi_print_command(scmd
);
2373 retval
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2375 r
= (retval
< 0) ? FAILED
: SUCCESS
;
2376 printk(MPT2SAS_INFO_FMT
"host reset: %s scmd(%p)\n",
2377 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2383 * _scsih_fw_event_add - insert and queue up fw_event
2384 * @ioc: per adapter object
2385 * @fw_event: object describing the event
2386 * Context: This function will acquire ioc->fw_event_lock.
2388 * This adds the firmware event object into link list, then queues it up to
2389 * be processed from user context.
2394 _scsih_fw_event_add(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
2396 unsigned long flags
;
2398 if (ioc
->firmware_event_thread
== NULL
)
2401 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2402 list_add_tail(&fw_event
->list
, &ioc
->fw_event_list
);
2403 INIT_DELAYED_WORK(&fw_event
->delayed_work
, _firmware_event_work
);
2404 queue_delayed_work(ioc
->firmware_event_thread
,
2405 &fw_event
->delayed_work
, 0);
2406 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2410 * _scsih_fw_event_free - delete fw_event
2411 * @ioc: per adapter object
2412 * @fw_event: object describing the event
2413 * Context: This function will acquire ioc->fw_event_lock.
2415 * This removes firmware event object from link list, frees associated memory.
2420 _scsih_fw_event_free(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
2423 unsigned long flags
;
2425 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2426 list_del(&fw_event
->list
);
2427 kfree(fw_event
->event_data
);
2429 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2434 * _scsih_queue_rescan - queue a topology rescan from user context
2435 * @ioc: per adapter object
2440 _scsih_queue_rescan(struct MPT2SAS_ADAPTER
*ioc
)
2442 struct fw_event_work
*fw_event
;
2444 if (ioc
->wait_for_port_enable_to_complete
)
2446 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2449 fw_event
->event
= MPT2SAS_RESCAN_AFTER_HOST_RESET
;
2450 fw_event
->ioc
= ioc
;
2451 _scsih_fw_event_add(ioc
, fw_event
);
2455 * _scsih_fw_event_cleanup_queue - cleanup event queue
2456 * @ioc: per adapter object
2458 * Walk the firmware event queue, either killing timers, or waiting
2459 * for outstanding events to complete
2464 _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER
*ioc
)
2466 struct fw_event_work
*fw_event
, *next
;
2468 if (list_empty(&ioc
->fw_event_list
) ||
2469 !ioc
->firmware_event_thread
|| in_interrupt())
2472 list_for_each_entry_safe(fw_event
, next
, &ioc
->fw_event_list
, list
) {
2473 if (cancel_delayed_work(&fw_event
->delayed_work
)) {
2474 _scsih_fw_event_free(ioc
, fw_event
);
2477 fw_event
->cancel_pending_work
= 1;
2482 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
2483 * @ioc: per adapter object
2484 * @handle: device handle
2486 * During device pull we need to appropiately set the sdev state.
2489 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2491 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2492 struct scsi_device
*sdev
;
2494 shost_for_each_device(sdev
, ioc
->shost
) {
2495 sas_device_priv_data
= sdev
->hostdata
;
2496 if (!sas_device_priv_data
)
2498 if (!sas_device_priv_data
->block
)
2500 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2501 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2502 MPT2SAS_INFO_FMT
"SDEV_RUNNING: "
2503 "handle(0x%04x)\n", ioc
->name
, handle
));
2504 sas_device_priv_data
->block
= 0;
2505 scsi_internal_device_unblock(sdev
);
2511 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2512 * @ioc: per adapter object
2513 * @handle: device handle
2515 * During device pull we need to appropiately set the sdev state.
2518 _scsih_block_io_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2520 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2521 struct scsi_device
*sdev
;
2523 shost_for_each_device(sdev
, ioc
->shost
) {
2524 sas_device_priv_data
= sdev
->hostdata
;
2525 if (!sas_device_priv_data
)
2527 if (sas_device_priv_data
->block
)
2529 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2530 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2531 MPT2SAS_INFO_FMT
"SDEV_BLOCK: "
2532 "handle(0x%04x)\n", ioc
->name
, handle
));
2533 sas_device_priv_data
->block
= 1;
2534 scsi_internal_device_block(sdev
);
2540 * _scsih_block_io_to_children_attached_to_ex
2541 * @ioc: per adapter object
2542 * @sas_expander: the sas_device object
2544 * This routine set sdev state to SDEV_BLOCK for all devices
2545 * attached to this expander. This function called when expander is
2549 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER
*ioc
,
2550 struct _sas_node
*sas_expander
)
2552 struct _sas_port
*mpt2sas_port
;
2553 struct _sas_device
*sas_device
;
2554 struct _sas_node
*expander_sibling
;
2555 unsigned long flags
;
2560 list_for_each_entry(mpt2sas_port
,
2561 &sas_expander
->sas_port_list
, port_list
) {
2562 if (mpt2sas_port
->remote_identify
.device_type
==
2564 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2566 mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
2567 mpt2sas_port
->remote_identify
.sas_address
);
2568 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2571 _scsih_block_io_device(ioc
, sas_device
->handle
);
2575 list_for_each_entry(mpt2sas_port
,
2576 &sas_expander
->sas_port_list
, port_list
) {
2578 if (mpt2sas_port
->remote_identify
.device_type
==
2579 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER
||
2580 mpt2sas_port
->remote_identify
.device_type
==
2581 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER
) {
2583 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
2585 mpt2sas_scsih_expander_find_by_sas_address(
2586 ioc
, mpt2sas_port
->remote_identify
.sas_address
);
2587 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
2588 _scsih_block_io_to_children_attached_to_ex(ioc
,
2595 * _scsih_block_io_to_children_attached_directly
2596 * @ioc: per adapter object
2597 * @event_data: topology change event data
2599 * This routine set sdev state to SDEV_BLOCK for all devices
2600 * direct attached during device pull.
2603 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER
*ioc
,
2604 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
2611 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
2612 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
2615 phy_number
= event_data
->StartPhyNum
+ i
;
2616 reason_code
= event_data
->PHY
[i
].PhyStatus
&
2617 MPI2_EVENT_SAS_TOPO_RC_MASK
;
2618 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
)
2619 _scsih_block_io_device(ioc
, handle
);
2624 * _scsih_tm_tr_send - send task management request
2625 * @ioc: per adapter object
2626 * @handle: device handle
2627 * Context: interrupt time.
2629 * This code is to initiate the device removal handshake protocal
2630 * with controller firmware. This function will issue target reset
2631 * using high priority request queue. It will send a sas iounit
2632 * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
2634 * This is designed to send muliple task management request at the same
2635 * time to the fifo. If the fifo is full, we will append the request,
2636 * and process it in a future completion.
2639 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2641 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2643 struct _sas_device
*sas_device
;
2644 struct MPT2SAS_TARGET
*sas_target_priv_data
;
2645 unsigned long flags
;
2646 struct _tr_list
*delayed_tr
;
2648 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2649 ioc
->pci_error_recovery
) {
2650 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
2651 "progress!\n", __func__
, ioc
->name
));
2655 /* if PD, then return */
2656 if (test_bit(handle
, ioc
->pd_handles
))
2659 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2660 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
2661 if (sas_device
&& sas_device
->starget
&&
2662 sas_device
->starget
->hostdata
) {
2663 sas_target_priv_data
= sas_device
->starget
->hostdata
;
2664 sas_target_priv_data
->deleted
= 1;
2665 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2666 "setting delete flag: handle(0x%04x), "
2667 "sas_addr(0x%016llx)\n", ioc
->name
, handle
,
2668 (unsigned long long) sas_device
->sas_address
));
2670 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2672 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_cb_idx
);
2674 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
2677 INIT_LIST_HEAD(&delayed_tr
->list
);
2678 delayed_tr
->handle
= handle
;
2679 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
2680 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2681 "DELAYED:tr:handle(0x%04x), (open)\n",
2682 ioc
->name
, handle
));
2686 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
2687 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
2688 ioc
->tm_tr_cb_idx
));
2689 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2690 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2691 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2692 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2693 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
2694 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
2700 * _scsih_sas_control_complete - completion routine
2701 * @ioc: per adapter object
2702 * @smid: system request message index
2703 * @msix_index: MSIX table index supplied by the OS
2704 * @reply: reply message frame(lower 32bit addr)
2705 * Context: interrupt time.
2707 * This is the sas iounit controll completion routine.
2708 * This code is part of the code to initiate the device removal
2709 * handshake protocal with controller firmware.
2711 * Return 1 meaning mf should be freed from _base_interrupt
2712 * 0 means the mf is freed from this function.
2715 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
2716 u8 msix_index
, u32 reply
)
2718 Mpi2SasIoUnitControlReply_t
*mpi_reply
=
2719 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
2721 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2722 "sc_complete:handle(0x%04x), (open) "
2723 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
2724 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
), smid
,
2725 le16_to_cpu(mpi_reply
->IOCStatus
),
2726 le32_to_cpu(mpi_reply
->IOCLogInfo
)));
2731 * _scsih_tm_tr_volume_send - send target reset request for volumes
2732 * @ioc: per adapter object
2733 * @handle: device handle
2734 * Context: interrupt time.
2736 * This is designed to send muliple task management request at the same
2737 * time to the fifo. If the fifo is full, we will append the request,
2738 * and process it in a future completion.
2741 _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2743 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2745 struct _tr_list
*delayed_tr
;
2747 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2748 ioc
->pci_error_recovery
) {
2749 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
2750 "progress!\n", __func__
, ioc
->name
));
2754 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_volume_cb_idx
);
2756 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
2759 INIT_LIST_HEAD(&delayed_tr
->list
);
2760 delayed_tr
->handle
= handle
;
2761 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_volume_list
);
2762 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2763 "DELAYED:tr:handle(0x%04x), (open)\n",
2764 ioc
->name
, handle
));
2768 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
2769 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
2770 ioc
->tm_tr_volume_cb_idx
));
2771 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2772 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2773 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2774 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2775 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
2776 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
2780 * _scsih_tm_volume_tr_complete - target reset completion
2781 * @ioc: per adapter object
2782 * @smid: system request message index
2783 * @msix_index: MSIX table index supplied by the OS
2784 * @reply: reply message frame(lower 32bit addr)
2785 * Context: interrupt time.
2787 * Return 1 meaning mf should be freed from _base_interrupt
2788 * 0 means the mf is freed from this function.
2791 _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
2792 u8 msix_index
, u32 reply
)
2795 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
2796 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
2797 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
2799 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2800 ioc
->pci_error_recovery
) {
2801 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
2802 "progress!\n", __func__
, ioc
->name
));
2806 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2807 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
2808 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
2809 dewtprintk(ioc
, printk("spurious interrupt: "
2810 "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle
,
2811 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
2815 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2816 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
2817 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
2818 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
2819 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2820 le32_to_cpu(mpi_reply
->TerminationCount
)));
2822 return _scsih_check_for_pending_tm(ioc
, smid
);
2826 * _scsih_tm_tr_complete -
2827 * @ioc: per adapter object
2828 * @smid: system request message index
2829 * @msix_index: MSIX table index supplied by the OS
2830 * @reply: reply message frame(lower 32bit addr)
2831 * Context: interrupt time.
2833 * This is the target reset completion routine.
2834 * This code is part of the code to initiate the device removal
2835 * handshake protocal with controller firmware.
2836 * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE)
2838 * Return 1 meaning mf should be freed from _base_interrupt
2839 * 0 means the mf is freed from this function.
2842 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
2846 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
2847 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
2848 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
2849 Mpi2SasIoUnitControlRequest_t
*mpi_request
;
2852 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2853 ioc
->pci_error_recovery
) {
2854 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
2855 "progress!\n", __func__
, ioc
->name
));
2859 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2860 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
2861 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
2862 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"spurious interrupt: "
2863 "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc
->name
, handle
,
2864 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
2868 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2869 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
2870 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
2871 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
2872 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2873 le32_to_cpu(mpi_reply
->TerminationCount
)));
2875 smid_sas_ctrl
= mpt2sas_base_get_smid(ioc
, ioc
->tm_sas_control_cb_idx
);
2876 if (!smid_sas_ctrl
) {
2877 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2878 ioc
->name
, __func__
);
2882 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sc_send:handle(0x%04x), "
2883 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid_sas_ctrl
,
2884 ioc
->tm_sas_control_cb_idx
));
2885 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid_sas_ctrl
);
2886 memset(mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
2887 mpi_request
->Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
2888 mpi_request
->Operation
= MPI2_SAS_OP_REMOVE_DEVICE
;
2889 mpi_request
->DevHandle
= mpi_request_tm
->DevHandle
;
2890 mpt2sas_base_put_smid_default(ioc
, smid_sas_ctrl
);
2892 return _scsih_check_for_pending_tm(ioc
, smid
);
2896 * _scsih_check_for_pending_tm - check for pending task management
2897 * @ioc: per adapter object
2898 * @smid: system request message index
2900 * This will check delayed target reset list, and feed the
2903 * Return 1 meaning mf should be freed from _base_interrupt
2904 * 0 means the mf is freed from this function.
2907 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
2909 struct _tr_list
*delayed_tr
;
2911 if (!list_empty(&ioc
->delayed_tr_volume_list
)) {
2912 delayed_tr
= list_entry(ioc
->delayed_tr_volume_list
.next
,
2913 struct _tr_list
, list
);
2914 mpt2sas_base_free_smid(ioc
, smid
);
2915 _scsih_tm_tr_volume_send(ioc
, delayed_tr
->handle
);
2916 list_del(&delayed_tr
->list
);
2921 if (!list_empty(&ioc
->delayed_tr_list
)) {
2922 delayed_tr
= list_entry(ioc
->delayed_tr_list
.next
,
2923 struct _tr_list
, list
);
2924 mpt2sas_base_free_smid(ioc
, smid
);
2925 _scsih_tm_tr_send(ioc
, delayed_tr
->handle
);
2926 list_del(&delayed_tr
->list
);
2935 * _scsih_check_topo_delete_events - sanity check on topo events
2936 * @ioc: per adapter object
2937 * @event_data: the event data payload
2939 * This routine added to better handle cable breaker.
2941 * This handles the case where driver recieves multiple expander
2942 * add and delete events in a single shot. When there is a delete event
2943 * the routine will void any pending add events waiting in the event queue.
2948 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
2949 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
2951 struct fw_event_work
*fw_event
;
2952 Mpi2EventDataSasTopologyChangeList_t
*local_event_data
;
2953 u16 expander_handle
;
2954 struct _sas_node
*sas_expander
;
2955 unsigned long flags
;
2959 for (i
= 0 ; i
< event_data
->NumEntries
; i
++) {
2960 if (event_data
->PHY
[i
].PhyStatus
&
2961 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
)
2963 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
2966 reason_code
= event_data
->PHY
[i
].PhyStatus
&
2967 MPI2_EVENT_SAS_TOPO_RC_MASK
;
2968 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
)
2969 _scsih_tm_tr_send(ioc
, handle
);
2972 expander_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
2973 if (expander_handle
< ioc
->sas_hba
.num_phys
) {
2974 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
2978 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
2979 || event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
) {
2980 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
2981 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
2983 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
2984 _scsih_block_io_to_children_attached_to_ex(ioc
, sas_expander
);
2985 } else if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_RESPONDING
)
2986 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
2988 if (event_data
->ExpStatus
!= MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
)
2991 /* mark ignore flag for pending events */
2992 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2993 list_for_each_entry(fw_event
, &ioc
->fw_event_list
, list
) {
2994 if (fw_event
->event
!= MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
||
2997 local_event_data
= fw_event
->event_data
;
2998 if (local_event_data
->ExpStatus
==
2999 MPI2_EVENT_SAS_TOPO_ES_ADDED
||
3000 local_event_data
->ExpStatus
==
3001 MPI2_EVENT_SAS_TOPO_ES_RESPONDING
) {
3002 if (le16_to_cpu(local_event_data
->ExpanderDevHandle
) ==
3004 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3005 "setting ignoring flag\n", ioc
->name
));
3006 fw_event
->ignore
= 1;
3010 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
3014 * _scsih_set_volume_delete_flag - setting volume delete flag
3015 * @ioc: per adapter object
3016 * @handle: device handle
3022 _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3024 struct _raid_device
*raid_device
;
3025 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3026 unsigned long flags
;
3028 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
3029 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
3030 if (raid_device
&& raid_device
->starget
&&
3031 raid_device
->starget
->hostdata
) {
3032 sas_target_priv_data
=
3033 raid_device
->starget
->hostdata
;
3034 sas_target_priv_data
->deleted
= 1;
3035 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3036 "setting delete flag: handle(0x%04x), "
3037 "wwid(0x%016llx)\n", ioc
->name
, handle
,
3038 (unsigned long long) raid_device
->wwid
));
3040 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
3044 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3045 * @handle: input handle
3046 * @a: handle for volume a
3047 * @b: handle for volume b
3049 * IR firmware only supports two raid volumes. The purpose of this
3050 * routine is to set the volume handle in either a or b. When the given
3051 * input handle is non-zero, or when a and b have not been set before.
3054 _scsih_set_volume_handle_for_tr(u16 handle
, u16
*a
, u16
*b
)
3056 if (!handle
|| handle
== *a
|| handle
== *b
)
3065 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3066 * @ioc: per adapter object
3067 * @event_data: the event data payload
3068 * Context: interrupt time.
3070 * This routine will send target reset to volume, followed by target
3071 * resets to the PDs. This is called when a PD has been removed, or
3072 * volume has been deleted or removed. When the target reset is sent
3073 * to volume, the PD target resets need to be queued to start upon
3074 * completion of the volume target reset.
3079 _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER
*ioc
,
3080 Mpi2EventDataIrConfigChangeList_t
*event_data
)
3082 Mpi2EventIrConfigElement_t
*element
;
3084 u16 handle
, volume_handle
, a
, b
;
3085 struct _tr_list
*delayed_tr
;
3090 /* Volume Resets for Deleted or Removed */
3091 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3092 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3093 if (element
->ReasonCode
==
3094 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
||
3095 element
->ReasonCode
==
3096 MPI2_EVENT_IR_CHANGE_RC_REMOVED
) {
3097 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3098 _scsih_set_volume_delete_flag(ioc
, volume_handle
);
3099 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3103 /* Volume Resets for UNHIDE events */
3104 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3105 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3106 if (le32_to_cpu(event_data
->Flags
) &
3107 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
)
3109 if (element
->ReasonCode
== MPI2_EVENT_IR_CHANGE_RC_UNHIDE
) {
3110 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3111 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3116 _scsih_tm_tr_volume_send(ioc
, a
);
3118 _scsih_tm_tr_volume_send(ioc
, b
);
3120 /* PD target resets */
3121 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3122 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3123 if (element
->ReasonCode
!= MPI2_EVENT_IR_CHANGE_RC_UNHIDE
)
3125 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
3126 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3127 clear_bit(handle
, ioc
->pd_handles
);
3129 _scsih_tm_tr_send(ioc
, handle
);
3130 else if (volume_handle
== a
|| volume_handle
== b
) {
3131 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3132 BUG_ON(!delayed_tr
);
3133 INIT_LIST_HEAD(&delayed_tr
->list
);
3134 delayed_tr
->handle
= handle
;
3135 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3136 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3137 "DELAYED:tr:handle(0x%04x), (open)\n", ioc
->name
,
3140 _scsih_tm_tr_send(ioc
, handle
);
3146 * _scsih_check_volume_delete_events - set delete flag for volumes
3147 * @ioc: per adapter object
3148 * @event_data: the event data payload
3149 * Context: interrupt time.
3151 * This will handle the case when the cable connected to entire volume is
3152 * pulled. We will take care of setting the deleted flag so normal IO will
3158 _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
3159 Mpi2EventDataIrVolume_t
*event_data
)
3163 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
3165 state
= le32_to_cpu(event_data
->NewValue
);
3166 if (state
== MPI2_RAID_VOL_STATE_MISSING
|| state
==
3167 MPI2_RAID_VOL_STATE_FAILED
)
3168 _scsih_set_volume_delete_flag(ioc
,
3169 le16_to_cpu(event_data
->VolDevHandle
));
3173 * _scsih_flush_running_cmds - completing outstanding commands.
3174 * @ioc: per adapter object
3176 * The flushing out of all pending scmd commands following host reset,
3177 * where all IO is dropped to the floor.
3182 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER
*ioc
)
3184 struct scsi_cmnd
*scmd
;
3188 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
3189 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
3193 mpt2sas_base_free_smid(ioc
, smid
);
3194 scsi_dma_unmap(scmd
);
3195 if (ioc
->pci_error_recovery
)
3196 scmd
->result
= DID_NO_CONNECT
<< 16;
3198 scmd
->result
= DID_RESET
<< 16;
3199 scmd
->scsi_done(scmd
);
3201 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"completing %d cmds\n",
3206 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3207 * @scmd: pointer to scsi command object
3208 * @mpi_request: pointer to the SCSI_IO reqest message frame
3210 * Supporting protection 1 and 3.
3215 _scsih_setup_eedp(struct scsi_cmnd
*scmd
, Mpi2SCSIIORequest_t
*mpi_request
)
3218 unsigned char prot_op
= scsi_get_prot_op(scmd
);
3219 unsigned char prot_type
= scsi_get_prot_type(scmd
);
3221 if (prot_type
== SCSI_PROT_DIF_TYPE0
|| prot_op
== SCSI_PROT_NORMAL
)
3224 if (prot_op
== SCSI_PROT_READ_STRIP
)
3225 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
;
3226 else if (prot_op
== SCSI_PROT_WRITE_INSERT
)
3227 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
;
3231 switch (prot_type
) {
3232 case SCSI_PROT_DIF_TYPE1
:
3235 * enable ref/guard checking
3236 * auto increment ref tag
3238 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG
|
3239 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG
|
3240 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3241 mpi_request
->CDB
.EEDP32
.PrimaryReferenceTag
=
3242 cpu_to_be32(scsi_get_lba(scmd
));
3245 case SCSI_PROT_DIF_TYPE2
:
3247 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG
|
3248 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG
|
3249 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3252 case SCSI_PROT_DIF_TYPE3
:
3255 * enable guard checking
3257 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3260 mpi_request
->EEDPBlockSize
= cpu_to_le32(scmd
->device
->sector_size
);
3261 mpi_request
->EEDPFlags
= cpu_to_le16(eedp_flags
);
3265 * _scsih_eedp_error_handling - return sense code for EEDP errors
3266 * @scmd: pointer to scsi command object
3267 * @ioc_status: ioc status
3272 _scsih_eedp_error_handling(struct scsi_cmnd
*scmd
, u16 ioc_status
)
3278 switch (ioc_status
) {
3279 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3282 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3285 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3293 if (scmd
->sc_data_direction
== DMA_TO_DEVICE
) {
3294 sk
= ILLEGAL_REQUEST
;
3295 host_byte
= DID_ABORT
;
3297 sk
= ABORTED_COMMAND
;
3301 scsi_build_sense_buffer(0, scmd
->sense_buffer
, sk
, 0x10, ascq
);
3302 scmd
->result
= DRIVER_SENSE
<< 24 | (host_byte
<< 16) |
3303 SAM_STAT_CHECK_CONDITION
;
3307 * _scsih_qcmd - main scsi request entry point
3308 * @scmd: pointer to scsi command object
3309 * @done: function pointer to be invoked on completion
3311 * The callback index is set inside `ioc->scsi_io_cb_idx`.
3313 * Returns 0 on success. If there's a failure, return either:
3314 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
3315 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
3318 _scsih_qcmd_lck(struct scsi_cmnd
*scmd
, void (*done
)(struct scsi_cmnd
*))
3320 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
3321 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3322 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3323 Mpi2SCSIIORequest_t
*mpi_request
;
3327 scmd
->scsi_done
= done
;
3328 sas_device_priv_data
= scmd
->device
->hostdata
;
3329 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
3330 scmd
->result
= DID_NO_CONNECT
<< 16;
3331 scmd
->scsi_done(scmd
);
3335 if (ioc
->pci_error_recovery
) {
3336 scmd
->result
= DID_NO_CONNECT
<< 16;
3337 scmd
->scsi_done(scmd
);
3341 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
3342 /* invalid device handle */
3343 if (sas_target_priv_data
->handle
== MPT2SAS_INVALID_DEVICE_HANDLE
) {
3344 scmd
->result
= DID_NO_CONNECT
<< 16;
3345 scmd
->scsi_done(scmd
);
3349 /* host recovery or link resets sent via IOCTLs */
3350 if (ioc
->shost_recovery
|| ioc
->ioc_link_reset_in_progress
)
3351 return SCSI_MLQUEUE_HOST_BUSY
;
3352 /* device busy with task management */
3353 else if (sas_device_priv_data
->block
|| sas_target_priv_data
->tm_busy
)
3354 return SCSI_MLQUEUE_DEVICE_BUSY
;
3355 /* device has been deleted */
3356 else if (sas_target_priv_data
->deleted
) {
3357 scmd
->result
= DID_NO_CONNECT
<< 16;
3358 scmd
->scsi_done(scmd
);
3362 if (scmd
->sc_data_direction
== DMA_FROM_DEVICE
)
3363 mpi_control
= MPI2_SCSIIO_CONTROL_READ
;
3364 else if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
3365 mpi_control
= MPI2_SCSIIO_CONTROL_WRITE
;
3367 mpi_control
= MPI2_SCSIIO_CONTROL_NODATATRANSFER
;
3370 if (!(sas_device_priv_data
->flags
& MPT_DEVICE_FLAGS_INIT
)) {
3371 if (scmd
->device
->tagged_supported
) {
3372 if (scmd
->device
->ordered_tags
)
3373 mpi_control
|= MPI2_SCSIIO_CONTROL_ORDEREDQ
;
3375 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3377 /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
3378 /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
3380 mpi_control
|= (0x500);
3383 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3384 /* Make sure Device is not raid volume */
3385 if (!_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
3386 sas_is_tlr_enabled(scmd
->device
) && scmd
->cmd_len
!= 32)
3387 mpi_control
|= MPI2_SCSIIO_CONTROL_TLR_ON
;
3389 smid
= mpt2sas_base_get_smid_scsiio(ioc
, ioc
->scsi_io_cb_idx
, scmd
);
3391 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3392 ioc
->name
, __func__
);
3395 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3396 memset(mpi_request
, 0, sizeof(Mpi2SCSIIORequest_t
));
3397 _scsih_setup_eedp(scmd
, mpi_request
);
3398 if (scmd
->cmd_len
== 32)
3399 mpi_control
|= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT
;
3400 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
3401 if (sas_device_priv_data
->sas_target
->flags
&
3402 MPT_TARGET_FLAGS_RAID_COMPONENT
)
3403 mpi_request
->Function
= MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
3405 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
3406 mpi_request
->DevHandle
=
3407 cpu_to_le16(sas_device_priv_data
->sas_target
->handle
);
3408 mpi_request
->DataLength
= cpu_to_le32(scsi_bufflen(scmd
));
3409 mpi_request
->Control
= cpu_to_le32(mpi_control
);
3410 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
);
3411 mpi_request
->MsgFlags
= MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR
;
3412 mpi_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
3413 mpi_request
->SenseBufferLowAddress
=
3414 mpt2sas_base_get_sense_buffer_dma(ioc
, smid
);
3415 mpi_request
->SGLOffset0
= offsetof(Mpi2SCSIIORequest_t
, SGL
) / 4;
3416 mpi_request
->SGLFlags
= cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI
+
3417 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR
);
3418 mpi_request
->VF_ID
= 0; /* TODO */
3419 mpi_request
->VP_ID
= 0;
3420 int_to_scsilun(sas_device_priv_data
->lun
, (struct scsi_lun
*)
3422 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
3424 if (!mpi_request
->DataLength
) {
3425 mpt2sas_base_build_zero_len_sge(ioc
, &mpi_request
->SGL
);
3427 if (_scsih_build_scatter_gather(ioc
, scmd
, smid
)) {
3428 mpt2sas_base_free_smid(ioc
, smid
);
3433 if (likely(mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
))
3434 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
3435 sas_device_priv_data
->sas_target
->handle
);
3437 mpt2sas_base_put_smid_default(ioc
, smid
);
3441 return SCSI_MLQUEUE_HOST_BUSY
;
3444 static DEF_SCSI_QCMD(_scsih_qcmd
)
3447 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
3448 * @sense_buffer: sense data returned by target
3449 * @data: normalized skey/asc/ascq
3454 _scsih_normalize_sense(char *sense_buffer
, struct sense_info
*data
)
3456 if ((sense_buffer
[0] & 0x7F) >= 0x72) {
3457 /* descriptor format */
3458 data
->skey
= sense_buffer
[1] & 0x0F;
3459 data
->asc
= sense_buffer
[2];
3460 data
->ascq
= sense_buffer
[3];
3463 data
->skey
= sense_buffer
[2] & 0x0F;
3464 data
->asc
= sense_buffer
[12];
3465 data
->ascq
= sense_buffer
[13];
3469 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3471 * _scsih_scsi_ioc_info - translated non-successfull SCSI_IO request
3472 * @ioc: per adapter object
3473 * @scmd: pointer to scsi command object
3474 * @mpi_reply: reply mf payload returned from firmware
3476 * scsi_status - SCSI Status code returned from target device
3477 * scsi_state - state info associated with SCSI_IO determined by ioc
3478 * ioc_status - ioc supplied status info
3483 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
3484 Mpi2SCSIIOReply_t
*mpi_reply
, u16 smid
)
3488 u16 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) &
3489 MPI2_IOCSTATUS_MASK
;
3490 u8 scsi_state
= mpi_reply
->SCSIState
;
3491 u8 scsi_status
= mpi_reply
->SCSIStatus
;
3492 char *desc_ioc_state
= NULL
;
3493 char *desc_scsi_status
= NULL
;
3494 char *desc_scsi_state
= ioc
->tmp_string
;
3495 u32 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
3496 struct _sas_device
*sas_device
= NULL
;
3497 unsigned long flags
;
3498 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
3499 struct MPT2SAS_TARGET
*priv_target
= starget
->hostdata
;
3504 if (log_info
== 0x31170000)
3507 switch (ioc_status
) {
3508 case MPI2_IOCSTATUS_SUCCESS
:
3509 desc_ioc_state
= "success";
3511 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
3512 desc_ioc_state
= "invalid function";
3514 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
3515 desc_ioc_state
= "scsi recovered error";
3517 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE
:
3518 desc_ioc_state
= "scsi invalid dev handle";
3520 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
3521 desc_ioc_state
= "scsi device not there";
3523 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
3524 desc_ioc_state
= "scsi data overrun";
3526 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
3527 desc_ioc_state
= "scsi data underrun";
3529 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
3530 desc_ioc_state
= "scsi io data error";
3532 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
3533 desc_ioc_state
= "scsi protocol error";
3535 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
3536 desc_ioc_state
= "scsi task terminated";
3538 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
3539 desc_ioc_state
= "scsi residual mismatch";
3541 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
3542 desc_ioc_state
= "scsi task mgmt failed";
3544 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
3545 desc_ioc_state
= "scsi ioc terminated";
3547 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
3548 desc_ioc_state
= "scsi ext terminated";
3550 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3551 desc_ioc_state
= "eedp guard error";
3553 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3554 desc_ioc_state
= "eedp ref tag error";
3556 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3557 desc_ioc_state
= "eedp app tag error";
3560 desc_ioc_state
= "unknown";
3564 switch (scsi_status
) {
3565 case MPI2_SCSI_STATUS_GOOD
:
3566 desc_scsi_status
= "good";
3568 case MPI2_SCSI_STATUS_CHECK_CONDITION
:
3569 desc_scsi_status
= "check condition";
3571 case MPI2_SCSI_STATUS_CONDITION_MET
:
3572 desc_scsi_status
= "condition met";
3574 case MPI2_SCSI_STATUS_BUSY
:
3575 desc_scsi_status
= "busy";
3577 case MPI2_SCSI_STATUS_INTERMEDIATE
:
3578 desc_scsi_status
= "intermediate";
3580 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET
:
3581 desc_scsi_status
= "intermediate condmet";
3583 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT
:
3584 desc_scsi_status
= "reservation conflict";
3586 case MPI2_SCSI_STATUS_COMMAND_TERMINATED
:
3587 desc_scsi_status
= "command terminated";
3589 case MPI2_SCSI_STATUS_TASK_SET_FULL
:
3590 desc_scsi_status
= "task set full";
3592 case MPI2_SCSI_STATUS_ACA_ACTIVE
:
3593 desc_scsi_status
= "aca active";
3595 case MPI2_SCSI_STATUS_TASK_ABORTED
:
3596 desc_scsi_status
= "task aborted";
3599 desc_scsi_status
= "unknown";
3603 desc_scsi_state
[0] = '\0';
3605 desc_scsi_state
= " ";
3606 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
3607 strcat(desc_scsi_state
, "response info ");
3608 if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
3609 strcat(desc_scsi_state
, "state terminated ");
3610 if (scsi_state
& MPI2_SCSI_STATE_NO_SCSI_STATUS
)
3611 strcat(desc_scsi_state
, "no status ");
3612 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_FAILED
)
3613 strcat(desc_scsi_state
, "autosense failed ");
3614 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
)
3615 strcat(desc_scsi_state
, "autosense valid ");
3617 scsi_print_command(scmd
);
3619 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
3620 printk(MPT2SAS_WARN_FMT
"\tvolume wwid(0x%016llx)\n", ioc
->name
,
3621 (unsigned long long)priv_target
->sas_address
);
3623 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3624 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
3625 priv_target
->sas_address
);
3627 printk(MPT2SAS_WARN_FMT
"\tsas_address(0x%016llx), "
3628 "phy(%d)\n", ioc
->name
, sas_device
->sas_address
,
3630 printk(MPT2SAS_WARN_FMT
3631 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
3632 ioc
->name
, sas_device
->enclosure_logical_id
,
3635 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3638 printk(MPT2SAS_WARN_FMT
"\thandle(0x%04x), ioc_status(%s)(0x%04x), "
3639 "smid(%d)\n", ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
),
3640 desc_ioc_state
, ioc_status
, smid
);
3641 printk(MPT2SAS_WARN_FMT
"\trequest_len(%d), underflow(%d), "
3642 "resid(%d)\n", ioc
->name
, scsi_bufflen(scmd
), scmd
->underflow
,
3643 scsi_get_resid(scmd
));
3644 printk(MPT2SAS_WARN_FMT
"\ttag(%d), transfer_count(%d), "
3645 "sc->result(0x%08x)\n", ioc
->name
, le16_to_cpu(mpi_reply
->TaskTag
),
3646 le32_to_cpu(mpi_reply
->TransferCount
), scmd
->result
);
3647 printk(MPT2SAS_WARN_FMT
"\tscsi_status(%s)(0x%02x), "
3648 "scsi_state(%s)(0x%02x)\n", ioc
->name
, desc_scsi_status
,
3649 scsi_status
, desc_scsi_state
, scsi_state
);
3651 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
3652 struct sense_info data
;
3653 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
3654 printk(MPT2SAS_WARN_FMT
"\t[sense_key,asc,ascq]: "
3655 "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc
->name
, data
.skey
,
3656 data
.asc
, data
.ascq
, le32_to_cpu(mpi_reply
->SenseCount
));
3659 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
) {
3660 response_info
= le32_to_cpu(mpi_reply
->ResponseInfo
);
3661 response_bytes
= (u8
*)&response_info
;
3662 _scsih_response_code(ioc
, response_bytes
[0]);
3668 * _scsih_smart_predicted_fault - illuminate Fault LED
3669 * @ioc: per adapter object
3670 * @handle: device handle
3675 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3677 Mpi2SepReply_t mpi_reply
;
3678 Mpi2SepRequest_t mpi_request
;
3679 struct scsi_target
*starget
;
3680 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3681 Mpi2EventNotificationReply_t
*event_reply
;
3682 Mpi2EventDataSasDeviceStatusChange_t
*event_data
;
3683 struct _sas_device
*sas_device
;
3685 unsigned long flags
;
3687 /* only handle non-raid devices */
3688 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3689 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
3691 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3694 starget
= sas_device
->starget
;
3695 sas_target_priv_data
= starget
->hostdata
;
3697 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) ||
3698 ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))) {
3699 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3702 starget_printk(KERN_WARNING
, starget
, "predicted fault\n");
3703 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3705 if (ioc
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_IBM
) {
3706 memset(&mpi_request
, 0, sizeof(Mpi2SepRequest_t
));
3707 mpi_request
.Function
= MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
;
3708 mpi_request
.Action
= MPI2_SEP_REQ_ACTION_WRITE_STATUS
;
3709 mpi_request
.SlotStatus
=
3710 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT
);
3711 mpi_request
.DevHandle
= cpu_to_le16(handle
);
3712 mpi_request
.Flags
= MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS
;
3713 if ((mpt2sas_base_scsi_enclosure_processor(ioc
, &mpi_reply
,
3714 &mpi_request
)) != 0) {
3715 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3716 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3720 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
) {
3721 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3722 "enclosure_processor: ioc_status (0x%04x), "
3723 "loginfo(0x%08x)\n", ioc
->name
,
3724 le16_to_cpu(mpi_reply
.IOCStatus
),
3725 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
3730 /* insert into event log */
3731 sz
= offsetof(Mpi2EventNotificationReply_t
, EventData
) +
3732 sizeof(Mpi2EventDataSasDeviceStatusChange_t
);
3733 event_reply
= kzalloc(sz
, GFP_KERNEL
);
3735 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3736 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3740 event_reply
->Function
= MPI2_FUNCTION_EVENT_NOTIFICATION
;
3741 event_reply
->Event
=
3742 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
);
3743 event_reply
->MsgLength
= sz
/4;
3744 event_reply
->EventDataLength
=
3745 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t
)/4);
3746 event_data
= (Mpi2EventDataSasDeviceStatusChange_t
*)
3747 event_reply
->EventData
;
3748 event_data
->ReasonCode
= MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
;
3749 event_data
->ASC
= 0x5D;
3750 event_data
->DevHandle
= cpu_to_le16(handle
);
3751 event_data
->SASAddress
= cpu_to_le64(sas_target_priv_data
->sas_address
);
3752 mpt2sas_ctl_add_to_event_log(ioc
, event_reply
);
3757 * _scsih_io_done - scsi request callback
3758 * @ioc: per adapter object
3759 * @smid: system request message index
3760 * @msix_index: MSIX table index supplied by the OS
3761 * @reply: reply message frame(lower 32bit addr)
3763 * Callback handler when using _scsih_qcmd.
3765 * Return 1 meaning mf should be freed from _base_interrupt
3766 * 0 means the mf is freed from this function.
3769 _scsih_io_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
3771 Mpi2SCSIIORequest_t
*mpi_request
;
3772 Mpi2SCSIIOReply_t
*mpi_reply
;
3773 struct scsi_cmnd
*scmd
;
3779 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3780 u32 response_code
= 0;
3782 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3783 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
3787 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3789 if (mpi_reply
== NULL
) {
3790 scmd
->result
= DID_OK
<< 16;
3794 sas_device_priv_data
= scmd
->device
->hostdata
;
3795 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
||
3796 sas_device_priv_data
->sas_target
->deleted
) {
3797 scmd
->result
= DID_NO_CONNECT
<< 16;
3801 /* turning off TLR */
3802 scsi_state
= mpi_reply
->SCSIState
;
3803 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
3805 le32_to_cpu(mpi_reply
->ResponseInfo
) & 0xFF;
3806 if (!sas_device_priv_data
->tlr_snoop_check
) {
3807 sas_device_priv_data
->tlr_snoop_check
++;
3808 if (!_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
3809 sas_is_tlr_enabled(scmd
->device
) &&
3810 response_code
== MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
) {
3811 sas_disable_tlr(scmd
->device
);
3812 sdev_printk(KERN_INFO
, scmd
->device
, "TLR disabled\n");
3816 xfer_cnt
= le32_to_cpu(mpi_reply
->TransferCount
);
3817 scsi_set_resid(scmd
, scsi_bufflen(scmd
) - xfer_cnt
);
3818 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
3819 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
3820 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
3823 ioc_status
&= MPI2_IOCSTATUS_MASK
;
3824 scsi_status
= mpi_reply
->SCSIStatus
;
3826 if (ioc_status
== MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
&& xfer_cnt
== 0 &&
3827 (scsi_status
== MPI2_SCSI_STATUS_BUSY
||
3828 scsi_status
== MPI2_SCSI_STATUS_RESERVATION_CONFLICT
||
3829 scsi_status
== MPI2_SCSI_STATUS_TASK_SET_FULL
)) {
3830 ioc_status
= MPI2_IOCSTATUS_SUCCESS
;
3833 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
3834 struct sense_info data
;
3835 const void *sense_data
= mpt2sas_base_get_sense_buffer(ioc
,
3837 u32 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
3838 le32_to_cpu(mpi_reply
->SenseCount
));
3839 memcpy(scmd
->sense_buffer
, sense_data
, sz
);
3840 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
3841 /* failure prediction threshold exceeded */
3842 if (data
.asc
== 0x5D)
3843 _scsih_smart_predicted_fault(ioc
,
3844 le16_to_cpu(mpi_reply
->DevHandle
));
3847 switch (ioc_status
) {
3848 case MPI2_IOCSTATUS_BUSY
:
3849 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES
:
3850 scmd
->result
= SAM_STAT_BUSY
;
3853 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
3854 scmd
->result
= DID_NO_CONNECT
<< 16;
3857 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
3858 if (sas_device_priv_data
->block
) {
3859 scmd
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
3862 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
3863 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
3864 scmd
->result
= DID_RESET
<< 16;
3867 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
3868 if ((xfer_cnt
== 0) || (scmd
->underflow
> xfer_cnt
))
3869 scmd
->result
= DID_SOFT_ERROR
<< 16;
3871 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
3874 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
3875 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
3877 if ((scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
))
3880 if (xfer_cnt
< scmd
->underflow
) {
3881 if (scsi_status
== SAM_STAT_BUSY
)
3882 scmd
->result
= SAM_STAT_BUSY
;
3884 scmd
->result
= DID_SOFT_ERROR
<< 16;
3885 } else if (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
3886 MPI2_SCSI_STATE_NO_SCSI_STATUS
))
3887 scmd
->result
= DID_SOFT_ERROR
<< 16;
3888 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
3889 scmd
->result
= DID_RESET
<< 16;
3890 else if (!xfer_cnt
&& scmd
->cmnd
[0] == REPORT_LUNS
) {
3891 mpi_reply
->SCSIState
= MPI2_SCSI_STATE_AUTOSENSE_VALID
;
3892 mpi_reply
->SCSIStatus
= SAM_STAT_CHECK_CONDITION
;
3893 scmd
->result
= (DRIVER_SENSE
<< 24) |
3894 SAM_STAT_CHECK_CONDITION
;
3895 scmd
->sense_buffer
[0] = 0x70;
3896 scmd
->sense_buffer
[2] = ILLEGAL_REQUEST
;
3897 scmd
->sense_buffer
[12] = 0x20;
3898 scmd
->sense_buffer
[13] = 0;
3902 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
3903 scsi_set_resid(scmd
, 0);
3904 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
3905 case MPI2_IOCSTATUS_SUCCESS
:
3906 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
3907 if (response_code
==
3908 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
||
3909 (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
3910 MPI2_SCSI_STATE_NO_SCSI_STATUS
)))
3911 scmd
->result
= DID_SOFT_ERROR
<< 16;
3912 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
3913 scmd
->result
= DID_RESET
<< 16;
3916 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3917 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3918 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3919 _scsih_eedp_error_handling(scmd
, ioc_status
);
3921 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
3922 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
3923 case MPI2_IOCSTATUS_INVALID_SGL
:
3924 case MPI2_IOCSTATUS_INTERNAL_ERROR
:
3925 case MPI2_IOCSTATUS_INVALID_FIELD
:
3926 case MPI2_IOCSTATUS_INVALID_STATE
:
3927 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
3928 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
3930 scmd
->result
= DID_SOFT_ERROR
<< 16;
3935 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3936 if (scmd
->result
&& (ioc
->logging_level
& MPT_DEBUG_REPLY
))
3937 _scsih_scsi_ioc_info(ioc
, scmd
, mpi_reply
, smid
);
3941 scsi_dma_unmap(scmd
);
3942 scmd
->scsi_done(scmd
);
3947 * _scsih_sas_host_refresh - refreshing sas host object contents
3948 * @ioc: per adapter object
3951 * During port enable, fw will send topology events for every device. Its
3952 * possible that the handles may change from the previous setting, so this
3953 * code keeping handles updating if changed.
3958 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER
*ioc
)
3963 Mpi2ConfigReply_t mpi_reply
;
3964 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
3965 u16 attached_handle
;
3967 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
3968 "updating handles for sas_host(0x%016llx)\n",
3969 ioc
->name
, (unsigned long long)ioc
->sas_hba
.sas_address
));
3971 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
3972 * sizeof(Mpi2SasIOUnit0PhyData_t
));
3973 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
3974 if (!sas_iounit_pg0
) {
3975 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3976 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3980 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
3981 sas_iounit_pg0
, sz
)) != 0)
3983 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
3984 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
3986 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
3988 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
3989 PhyData
[0].ControllerDevHandle
);
3990 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
3991 attached_handle
= le16_to_cpu(sas_iounit_pg0
->PhyData
[i
].
3993 mpt2sas_transport_update_links(ioc
, ioc
->sas_hba
.sas_address
,
3994 attached_handle
, i
, sas_iounit_pg0
->PhyData
[i
].
3995 NegotiatedLinkRate
>> 4);
3998 kfree(sas_iounit_pg0
);
4002 * _scsih_sas_host_add - create sas host object
4003 * @ioc: per adapter object
4005 * Creating host side data object, stored in ioc->sas_hba
4010 _scsih_sas_host_add(struct MPT2SAS_ADAPTER
*ioc
)
4013 Mpi2ConfigReply_t mpi_reply
;
4014 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4015 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
4016 Mpi2SasPhyPage0_t phy_pg0
;
4017 Mpi2SasDevicePage0_t sas_device_pg0
;
4018 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4021 u16 device_missing_delay
;
4023 mpt2sas_config_get_number_hba_phys(ioc
, &ioc
->sas_hba
.num_phys
);
4024 if (!ioc
->sas_hba
.num_phys
) {
4025 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4026 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4030 /* sas_iounit page 0 */
4031 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4032 sizeof(Mpi2SasIOUnit0PhyData_t
));
4033 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4034 if (!sas_iounit_pg0
) {
4035 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4036 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4039 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4040 sas_iounit_pg0
, sz
))) {
4041 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4042 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4045 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4046 MPI2_IOCSTATUS_MASK
;
4047 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4048 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4049 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4053 /* sas_iounit page 1 */
4054 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4055 sizeof(Mpi2SasIOUnit1PhyData_t
));
4056 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
4057 if (!sas_iounit_pg1
) {
4058 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4059 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4062 if ((mpt2sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
4063 sas_iounit_pg1
, sz
))) {
4064 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4065 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4068 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4069 MPI2_IOCSTATUS_MASK
;
4070 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4071 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4072 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4076 ioc
->io_missing_delay
=
4077 le16_to_cpu(sas_iounit_pg1
->IODeviceMissingDelay
);
4078 device_missing_delay
=
4079 le16_to_cpu(sas_iounit_pg1
->ReportDeviceMissingDelay
);
4080 if (device_missing_delay
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
4081 ioc
->device_missing_delay
= (device_missing_delay
&
4082 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
4084 ioc
->device_missing_delay
= device_missing_delay
&
4085 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
4087 ioc
->sas_hba
.parent_dev
= &ioc
->shost
->shost_gendev
;
4088 ioc
->sas_hba
.phy
= kcalloc(ioc
->sas_hba
.num_phys
,
4089 sizeof(struct _sas_phy
), GFP_KERNEL
);
4090 if (!ioc
->sas_hba
.phy
) {
4091 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4092 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4095 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4096 if ((mpt2sas_config_get_phy_pg0(ioc
, &mpi_reply
, &phy_pg0
,
4098 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4099 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4102 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4103 MPI2_IOCSTATUS_MASK
;
4104 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4105 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4106 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4111 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4112 PhyData
[0].ControllerDevHandle
);
4113 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4114 ioc
->sas_hba
.phy
[i
].phy_id
= i
;
4115 mpt2sas_transport_add_host_phy(ioc
, &ioc
->sas_hba
.phy
[i
],
4116 phy_pg0
, ioc
->sas_hba
.parent_dev
);
4118 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4119 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, ioc
->sas_hba
.handle
))) {
4120 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4121 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4124 ioc
->sas_hba
.enclosure_handle
=
4125 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4126 ioc
->sas_hba
.sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4127 printk(MPT2SAS_INFO_FMT
"host_add: handle(0x%04x), "
4128 "sas_addr(0x%016llx), phys(%d)\n", ioc
->name
, ioc
->sas_hba
.handle
,
4129 (unsigned long long) ioc
->sas_hba
.sas_address
,
4130 ioc
->sas_hba
.num_phys
) ;
4132 if (ioc
->sas_hba
.enclosure_handle
) {
4133 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4135 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4136 ioc
->sas_hba
.enclosure_handle
))) {
4137 ioc
->sas_hba
.enclosure_logical_id
=
4138 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4143 kfree(sas_iounit_pg1
);
4144 kfree(sas_iounit_pg0
);
4148 * _scsih_expander_add - creating expander object
4149 * @ioc: per adapter object
4150 * @handle: expander handle
4152 * Creating expander object, stored in ioc->sas_expander_list.
4154 * Return 0 for success, else error.
4157 _scsih_expander_add(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4159 struct _sas_node
*sas_expander
;
4160 Mpi2ConfigReply_t mpi_reply
;
4161 Mpi2ExpanderPage0_t expander_pg0
;
4162 Mpi2ExpanderPage1_t expander_pg1
;
4163 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4166 __le64 sas_address
, sas_address_parent
= 0;
4168 unsigned long flags
;
4169 struct _sas_port
*mpt2sas_port
= NULL
;
4175 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
4178 if ((mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
4179 MPI2_SAS_EXPAND_PGAD_FORM_HNDL
, handle
))) {
4180 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4181 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4185 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4186 MPI2_IOCSTATUS_MASK
;
4187 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4188 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4189 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4193 /* handle out of order topology events */
4194 parent_handle
= le16_to_cpu(expander_pg0
.ParentDevHandle
);
4195 if (_scsih_get_sas_address(ioc
, parent_handle
, &sas_address_parent
)
4197 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4198 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4201 if (sas_address_parent
!= ioc
->sas_hba
.sas_address
) {
4202 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4203 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
4204 sas_address_parent
);
4205 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4206 if (!sas_expander
) {
4207 rc
= _scsih_expander_add(ioc
, parent_handle
);
4213 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4214 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
4215 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
4217 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4222 sas_expander
= kzalloc(sizeof(struct _sas_node
),
4224 if (!sas_expander
) {
4225 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4226 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4230 sas_expander
->handle
= handle
;
4231 sas_expander
->num_phys
= expander_pg0
.NumPhys
;
4232 sas_expander
->sas_address_parent
= sas_address_parent
;
4233 sas_expander
->sas_address
= sas_address
;
4235 printk(MPT2SAS_INFO_FMT
"expander_add: handle(0x%04x),"
4236 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc
->name
,
4237 handle
, parent_handle
, (unsigned long long)
4238 sas_expander
->sas_address
, sas_expander
->num_phys
);
4240 if (!sas_expander
->num_phys
)
4242 sas_expander
->phy
= kcalloc(sas_expander
->num_phys
,
4243 sizeof(struct _sas_phy
), GFP_KERNEL
);
4244 if (!sas_expander
->phy
) {
4245 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4246 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4251 INIT_LIST_HEAD(&sas_expander
->sas_port_list
);
4252 mpt2sas_port
= mpt2sas_transport_port_add(ioc
, handle
,
4253 sas_address_parent
);
4254 if (!mpt2sas_port
) {
4255 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4256 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4260 sas_expander
->parent_dev
= &mpt2sas_port
->rphy
->dev
;
4262 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
4263 if ((mpt2sas_config_get_expander_pg1(ioc
, &mpi_reply
,
4264 &expander_pg1
, i
, handle
))) {
4265 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4266 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4270 sas_expander
->phy
[i
].handle
= handle
;
4271 sas_expander
->phy
[i
].phy_id
= i
;
4273 if ((mpt2sas_transport_add_expander_phy(ioc
,
4274 &sas_expander
->phy
[i
], expander_pg1
,
4275 sas_expander
->parent_dev
))) {
4276 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4277 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4283 if (sas_expander
->enclosure_handle
) {
4284 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4285 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4286 sas_expander
->enclosure_handle
))) {
4287 sas_expander
->enclosure_logical_id
=
4288 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4292 _scsih_expander_node_add(ioc
, sas_expander
);
4298 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
4299 sas_address_parent
);
4300 kfree(sas_expander
);
4305 * _scsih_done - scsih callback handler.
4306 * @ioc: per adapter object
4307 * @smid: system request message index
4308 * @msix_index: MSIX table index supplied by the OS
4309 * @reply: reply message frame(lower 32bit addr)
4311 * Callback handler when sending internal generated message frames.
4312 * The callback index passed is `ioc->scsih_cb_idx`
4314 * Return 1 meaning mf should be freed from _base_interrupt
4315 * 0 means the mf is freed from this function.
4318 _scsih_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
4320 MPI2DefaultReply_t
*mpi_reply
;
4322 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
4323 if (ioc
->scsih_cmds
.status
== MPT2_CMD_NOT_USED
)
4325 if (ioc
->scsih_cmds
.smid
!= smid
)
4327 ioc
->scsih_cmds
.status
|= MPT2_CMD_COMPLETE
;
4329 memcpy(ioc
->scsih_cmds
.reply
, mpi_reply
,
4330 mpi_reply
->MsgLength
*4);
4331 ioc
->scsih_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
4333 ioc
->scsih_cmds
.status
&= ~MPT2_CMD_PENDING
;
4334 complete(&ioc
->scsih_cmds
.done
);
4339 * _scsih_expander_remove - removing expander object
4340 * @ioc: per adapter object
4341 * @sas_address: expander sas_address
4346 _scsih_expander_remove(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
)
4348 struct _sas_node
*sas_expander
;
4349 unsigned long flags
;
4351 if (ioc
->shost_recovery
)
4354 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4355 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
4357 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4358 _scsih_expander_node_remove(ioc
, sas_expander
);
4362 * _scsih_check_access_status - check access flags
4363 * @ioc: per adapter object
4364 * @sas_address: sas address
4365 * @handle: sas device handle
4366 * @access_flags: errors returned during discovery of the device
4368 * Return 0 for success, else failure
4371 _scsih_check_access_status(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
4372 u16 handle
, u8 access_status
)
4377 switch (access_status
) {
4378 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS
:
4379 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION
:
4382 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED
:
4383 desc
= "sata capability failed";
4385 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT
:
4386 desc
= "sata affiliation conflict";
4388 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE
:
4389 desc
= "route not addressable";
4391 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE
:
4392 desc
= "smp error not addressable";
4394 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED
:
4395 desc
= "device blocked";
4397 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED
:
4398 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN
:
4399 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT
:
4400 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG
:
4401 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION
:
4402 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER
:
4403 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN
:
4404 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN
:
4405 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN
:
4406 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION
:
4407 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE
:
4408 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX
:
4409 desc
= "sata initialization failed";
4419 printk(MPT2SAS_ERR_FMT
"discovery errors(%s): sas_address(0x%016llx), "
4420 "handle(0x%04x)\n", ioc
->name
, desc
,
4421 (unsigned long long)sas_address
, handle
);
4426 _scsih_check_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4428 Mpi2ConfigReply_t mpi_reply
;
4429 Mpi2SasDevicePage0_t sas_device_pg0
;
4430 struct _sas_device
*sas_device
;
4432 unsigned long flags
;
4434 struct scsi_target
*starget
;
4435 struct MPT2SAS_TARGET
*sas_target_priv_data
;
4438 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4439 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
)))
4442 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4443 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4446 /* check if this is end device */
4447 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
4448 if (!(_scsih_is_end_device(device_info
)))
4451 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4452 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4453 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
4457 printk(MPT2SAS_ERR_FMT
"device is not present "
4458 "handle(0x%04x), no sas_device!!!\n", ioc
->name
, handle
);
4459 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4463 if (unlikely(sas_device
->handle
!= handle
)) {
4464 starget
= sas_device
->starget
;
4465 sas_target_priv_data
= starget
->hostdata
;
4466 starget_printk(KERN_INFO
, starget
, "handle changed from(0x%04x)"
4467 " to (0x%04x)!!!\n", sas_device
->handle
, handle
);
4468 sas_target_priv_data
->handle
= handle
;
4469 sas_device
->handle
= handle
;
4471 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4473 /* check if device is present */
4474 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
4475 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
4476 printk(MPT2SAS_ERR_FMT
"device is not present "
4477 "handle(0x%04x), flags!!!\n", ioc
->name
, handle
);
4481 /* check if there were any issues with discovery */
4482 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
4483 sas_device_pg0
.AccessStatus
))
4485 _scsih_ublock_io_device(ioc
, handle
);
4490 * _scsih_add_device - creating sas device object
4491 * @ioc: per adapter object
4492 * @handle: sas device handle
4493 * @phy_num: phy number end device attached to
4494 * @is_pd: is this hidden raid component
4496 * Creating end device object, stored in ioc->sas_device_list.
4498 * Returns 0 for success, non-zero for failure.
4501 _scsih_add_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, u8 phy_num
, u8 is_pd
)
4503 Mpi2ConfigReply_t mpi_reply
;
4504 Mpi2SasDevicePage0_t sas_device_pg0
;
4505 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4506 struct _sas_device
*sas_device
;
4510 unsigned long flags
;
4512 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4513 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
4514 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4515 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4519 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4520 MPI2_IOCSTATUS_MASK
;
4521 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4522 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4523 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4527 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4529 /* check if device is present */
4530 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
4531 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
4532 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4533 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4534 printk(MPT2SAS_ERR_FMT
"Flags = 0x%04x\n",
4535 ioc
->name
, le16_to_cpu(sas_device_pg0
.Flags
));
4539 /* check if there were any issues with discovery */
4540 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
4541 sas_device_pg0
.AccessStatus
))
4544 /* check if this is end device */
4545 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
4546 if (!(_scsih_is_end_device(device_info
))) {
4547 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4548 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4553 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4554 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
4556 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4561 sas_device
= kzalloc(sizeof(struct _sas_device
),
4564 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4565 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4569 sas_device
->handle
= handle
;
4570 if (_scsih_get_sas_address(ioc
, le16_to_cpu
4571 (sas_device_pg0
.ParentDevHandle
),
4572 &sas_device
->sas_address_parent
) != 0)
4573 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4574 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4575 sas_device
->enclosure_handle
=
4576 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4578 le16_to_cpu(sas_device_pg0
.Slot
);
4579 sas_device
->device_info
= device_info
;
4580 sas_device
->sas_address
= sas_address
;
4581 sas_device
->phy
= sas_device_pg0
.PhyNum
;
4583 /* get enclosure_logical_id */
4584 if (sas_device
->enclosure_handle
&& !(mpt2sas_config_get_enclosure_pg0(
4585 ioc
, &mpi_reply
, &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4586 sas_device
->enclosure_handle
)))
4587 sas_device
->enclosure_logical_id
=
4588 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4590 /* get device name */
4591 sas_device
->device_name
= le64_to_cpu(sas_device_pg0
.DeviceName
);
4593 if (ioc
->wait_for_port_enable_to_complete
)
4594 _scsih_sas_device_init_add(ioc
, sas_device
);
4596 _scsih_sas_device_add(ioc
, sas_device
);
4602 * _scsih_remove_device - removing sas device object
4603 * @ioc: per adapter object
4604 * @sas_device_delete: the sas_device object
4609 _scsih_remove_device(struct MPT2SAS_ADAPTER
*ioc
,
4610 struct _sas_device
*sas_device
)
4612 struct _sas_device sas_device_backup
;
4613 struct MPT2SAS_TARGET
*sas_target_priv_data
;
4618 memcpy(&sas_device_backup
, sas_device
, sizeof(struct _sas_device
));
4619 _scsih_sas_device_remove(ioc
, sas_device
);
4621 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter: "
4622 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
4623 sas_device_backup
.handle
, (unsigned long long)
4624 sas_device_backup
.sas_address
));
4626 if (sas_device_backup
.starget
&& sas_device_backup
.starget
->hostdata
) {
4627 sas_target_priv_data
= sas_device_backup
.starget
->hostdata
;
4628 sas_target_priv_data
->deleted
= 1;
4631 _scsih_ublock_io_device(ioc
, sas_device_backup
.handle
);
4633 mpt2sas_transport_port_remove(ioc
, sas_device_backup
.sas_address
,
4634 sas_device_backup
.sas_address_parent
);
4636 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), sas_addr"
4637 "(0x%016llx)\n", ioc
->name
, sas_device_backup
.handle
,
4638 (unsigned long long) sas_device_backup
.sas_address
);
4640 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: exit: "
4641 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
4642 sas_device_backup
.handle
, (unsigned long long)
4643 sas_device_backup
.sas_address
));
4646 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4648 * _scsih_sas_topology_change_event_debug - debug for topology event
4649 * @ioc: per adapter object
4650 * @event_data: event data payload
4654 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
4655 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
4661 char *status_str
= NULL
;
4662 u8 link_rate
, prev_link_rate
;
4664 switch (event_data
->ExpStatus
) {
4665 case MPI2_EVENT_SAS_TOPO_ES_ADDED
:
4668 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
:
4669 status_str
= "remove";
4671 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING
:
4673 status_str
= "responding";
4675 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
:
4676 status_str
= "remove delay";
4679 status_str
= "unknown status";
4682 printk(MPT2SAS_INFO_FMT
"sas topology change: (%s)\n",
4683 ioc
->name
, status_str
);
4684 printk(KERN_INFO
"\thandle(0x%04x), enclosure_handle(0x%04x) "
4685 "start_phy(%02d), count(%d)\n",
4686 le16_to_cpu(event_data
->ExpanderDevHandle
),
4687 le16_to_cpu(event_data
->EnclosureHandle
),
4688 event_data
->StartPhyNum
, event_data
->NumEntries
);
4689 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
4690 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
4693 phy_number
= event_data
->StartPhyNum
+ i
;
4694 reason_code
= event_data
->PHY
[i
].PhyStatus
&
4695 MPI2_EVENT_SAS_TOPO_RC_MASK
;
4696 switch (reason_code
) {
4697 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
4698 status_str
= "target add";
4700 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
4701 status_str
= "target remove";
4703 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
:
4704 status_str
= "delay target remove";
4706 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
4707 status_str
= "link rate change";
4709 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE
:
4710 status_str
= "target responding";
4713 status_str
= "unknown";
4716 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
4717 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
4718 printk(KERN_INFO
"\tphy(%02d), attached_handle(0x%04x): %s:"
4719 " link rate: new(0x%02x), old(0x%02x)\n", phy_number
,
4720 handle
, status_str
, link_rate
, prev_link_rate
);
4727 * _scsih_sas_topology_change_event - handle topology changes
4728 * @ioc: per adapter object
4729 * @fw_event: The fw_event_work object
4734 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER
*ioc
,
4735 struct fw_event_work
*fw_event
)
4738 u16 parent_handle
, handle
;
4741 struct _sas_node
*sas_expander
;
4742 struct _sas_device
*sas_device
;
4744 unsigned long flags
;
4745 u8 link_rate
, prev_link_rate
;
4746 Mpi2EventDataSasTopologyChangeList_t
*event_data
= fw_event
->event_data
;
4748 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4749 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
4750 _scsih_sas_topology_change_event_debug(ioc
, event_data
);
4753 if (ioc
->shost_recovery
|| ioc
->remove_host
|| ioc
->pci_error_recovery
)
4756 if (!ioc
->sas_hba
.num_phys
)
4757 _scsih_sas_host_add(ioc
);
4759 _scsih_sas_host_refresh(ioc
);
4761 if (fw_event
->ignore
) {
4762 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"ignoring expander "
4763 "event\n", ioc
->name
));
4767 parent_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
4769 /* handle expander add */
4770 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_ADDED
)
4771 if (_scsih_expander_add(ioc
, parent_handle
) != 0)
4774 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4775 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
4777 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4779 sas_address
= sas_expander
->sas_address
;
4780 else if (parent_handle
< ioc
->sas_hba
.num_phys
)
4781 sas_address
= ioc
->sas_hba
.sas_address
;
4785 /* handle siblings events */
4786 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
4787 if (fw_event
->ignore
) {
4788 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"ignoring "
4789 "expander event\n", ioc
->name
));
4792 if (ioc
->shost_recovery
|| ioc
->remove_host
||
4793 ioc
->pci_error_recovery
)
4795 phy_number
= event_data
->StartPhyNum
+ i
;
4796 reason_code
= event_data
->PHY
[i
].PhyStatus
&
4797 MPI2_EVENT_SAS_TOPO_RC_MASK
;
4798 if ((event_data
->PHY
[i
].PhyStatus
&
4799 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
) && (reason_code
!=
4800 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
))
4802 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
4805 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
4806 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
4807 switch (reason_code
) {
4808 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
4810 if (link_rate
== prev_link_rate
)
4813 mpt2sas_transport_update_links(ioc
, sas_address
,
4814 handle
, phy_number
, link_rate
);
4816 if (link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
4819 _scsih_check_device(ioc
, handle
);
4821 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
4823 mpt2sas_transport_update_links(ioc
, sas_address
,
4824 handle
, phy_number
, link_rate
);
4826 _scsih_add_device(ioc
, handle
, phy_number
, 0);
4828 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
4830 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4831 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
4834 spin_unlock_irqrestore(&ioc
->sas_device_lock
,
4838 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4839 _scsih_remove_device(ioc
, sas_device
);
4844 /* handle expander removal */
4845 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
&&
4847 _scsih_expander_remove(ioc
, sas_address
);
4851 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4853 * _scsih_sas_device_status_change_event_debug - debug for device event
4854 * @event_data: event data payload
4860 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
4861 Mpi2EventDataSasDeviceStatusChange_t
*event_data
)
4863 char *reason_str
= NULL
;
4865 switch (event_data
->ReasonCode
) {
4866 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
:
4867 reason_str
= "smart data";
4869 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED
:
4870 reason_str
= "unsupported device discovered";
4872 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
:
4873 reason_str
= "internal device reset";
4875 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL
:
4876 reason_str
= "internal task abort";
4878 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL
:
4879 reason_str
= "internal task abort set";
4881 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL
:
4882 reason_str
= "internal clear task set";
4884 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL
:
4885 reason_str
= "internal query task";
4887 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE
:
4888 reason_str
= "sata init failure";
4890 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
:
4891 reason_str
= "internal device reset complete";
4893 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL
:
4894 reason_str
= "internal task abort complete";
4896 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION
:
4897 reason_str
= "internal async notification";
4899 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY
:
4900 reason_str
= "expander reduced functionality";
4902 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY
:
4903 reason_str
= "expander reduced functionality complete";
4906 reason_str
= "unknown reason";
4909 printk(MPT2SAS_INFO_FMT
"device status change: (%s)\n"
4910 "\thandle(0x%04x), sas address(0x%016llx)", ioc
->name
,
4911 reason_str
, le16_to_cpu(event_data
->DevHandle
),
4912 (unsigned long long)le64_to_cpu(event_data
->SASAddress
));
4913 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
)
4914 printk(MPT2SAS_INFO_FMT
", ASC(0x%x), ASCQ(0x%x)\n", ioc
->name
,
4915 event_data
->ASC
, event_data
->ASCQ
);
4916 printk(KERN_INFO
"\n");
4921 * _scsih_sas_device_status_change_event - handle device status change
4922 * @ioc: per adapter object
4923 * @fw_event: The fw_event_work object
4929 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
4930 struct fw_event_work
*fw_event
)
4932 struct MPT2SAS_TARGET
*target_priv_data
;
4933 struct _sas_device
*sas_device
;
4935 unsigned long flags
;
4936 Mpi2EventDataSasDeviceStatusChange_t
*event_data
=
4937 fw_event
->event_data
;
4939 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4940 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
4941 _scsih_sas_device_status_change_event_debug(ioc
,
4945 if (event_data
->ReasonCode
!=
4946 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
&&
4947 event_data
->ReasonCode
!=
4948 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
)
4951 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4952 sas_address
= le64_to_cpu(event_data
->SASAddress
);
4953 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
4955 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4957 if (!sas_device
|| !sas_device
->starget
)
4960 target_priv_data
= sas_device
->starget
->hostdata
;
4961 if (!target_priv_data
)
4964 if (event_data
->ReasonCode
==
4965 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
)
4966 target_priv_data
->tm_busy
= 1;
4968 target_priv_data
->tm_busy
= 0;
4971 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4973 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
4974 * @ioc: per adapter object
4975 * @event_data: event data payload
4981 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
4982 Mpi2EventDataSasEnclDevStatusChange_t
*event_data
)
4984 char *reason_str
= NULL
;
4986 switch (event_data
->ReasonCode
) {
4987 case MPI2_EVENT_SAS_ENCL_RC_ADDED
:
4988 reason_str
= "enclosure add";
4990 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING
:
4991 reason_str
= "enclosure remove";
4994 reason_str
= "unknown reason";
4998 printk(MPT2SAS_INFO_FMT
"enclosure status change: (%s)\n"
4999 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5000 " number slots(%d)\n", ioc
->name
, reason_str
,
5001 le16_to_cpu(event_data
->EnclosureHandle
),
5002 (unsigned long long)le64_to_cpu(event_data
->EnclosureLogicalID
),
5003 le16_to_cpu(event_data
->StartSlot
));
5008 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5009 * @ioc: per adapter object
5010 * @fw_event: The fw_event_work object
5016 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5017 struct fw_event_work
*fw_event
)
5019 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5020 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5021 _scsih_sas_enclosure_dev_status_change_event_debug(ioc
,
5022 fw_event
->event_data
);
5027 * _scsih_sas_broadcast_primative_event - handle broadcast events
5028 * @ioc: per adapter object
5029 * @fw_event: The fw_event_work object
5035 _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER
*ioc
,
5036 struct fw_event_work
*fw_event
)
5038 struct scsi_cmnd
*scmd
;
5041 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
5042 u32 termination_count
;
5044 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
5045 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5046 Mpi2EventDataSasBroadcastPrimitive_t
*event_data
= fw_event
->event_data
;
5049 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"broadcast primative: "
5050 "phy number(%d), width(%d)\n", ioc
->name
, event_data
->PhyNum
,
5051 event_data
->PortWidth
));
5052 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter\n", ioc
->name
,
5055 termination_count
= 0;
5057 mpi_reply
= ioc
->tm_cmds
.reply
;
5058 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
5059 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
5062 sas_device_priv_data
= scmd
->device
->hostdata
;
5063 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
)
5065 /* skip hidden raid components */
5066 if (sas_device_priv_data
->sas_target
->flags
&
5067 MPT_TARGET_FLAGS_RAID_COMPONENT
)
5070 if (sas_device_priv_data
->sas_target
->flags
&
5071 MPT_TARGET_FLAGS_VOLUME
)
5074 handle
= sas_device_priv_data
->sas_target
->handle
;
5075 lun
= sas_device_priv_data
->lun
;
5078 mpt2sas_scsih_issue_tm(ioc
, handle
, 0, 0, lun
,
5079 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
, smid
, 30, NULL
);
5080 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
5081 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
)
5082 & MPI2_IOCSTATUS_MASK
;
5083 if ((ioc_status
== MPI2_IOCSTATUS_SUCCESS
) &&
5084 (mpi_reply
->ResponseCode
==
5085 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
||
5086 mpi_reply
->ResponseCode
==
5087 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
))
5090 mpt2sas_scsih_issue_tm(ioc
, handle
, 0, 0, lun
,
5091 MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET
, 0, 30, NULL
);
5092 termination_count
+= le32_to_cpu(mpi_reply
->TerminationCount
);
5094 ioc
->broadcast_aen_busy
= 0;
5096 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
5097 "%s - exit, query_count = %d termination_count = %d\n",
5098 ioc
->name
, __func__
, query_count
, termination_count
));
5102 * _scsih_sas_discovery_event - handle discovery events
5103 * @ioc: per adapter object
5104 * @fw_event: The fw_event_work object
5110 _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER
*ioc
,
5111 struct fw_event_work
*fw_event
)
5113 Mpi2EventDataSasDiscovery_t
*event_data
= fw_event
->event_data
;
5115 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5116 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
) {
5117 printk(MPT2SAS_INFO_FMT
"discovery event: (%s)", ioc
->name
,
5118 (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
) ?
5120 if (event_data
->DiscoveryStatus
)
5121 printk("discovery_status(0x%08x)",
5122 le32_to_cpu(event_data
->DiscoveryStatus
));
5127 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
&&
5128 !ioc
->sas_hba
.num_phys
)
5129 _scsih_sas_host_add(ioc
);
5133 * _scsih_reprobe_lun - reprobing lun
5134 * @sdev: scsi device struct
5135 * @no_uld_attach: sdev->no_uld_attach flag setting
5139 _scsih_reprobe_lun(struct scsi_device
*sdev
, void *no_uld_attach
)
5143 sdev
->no_uld_attach
= no_uld_attach
? 1 : 0;
5144 sdev_printk(KERN_INFO
, sdev
, "%s raid component\n",
5145 sdev
->no_uld_attach
? "hidding" : "exposing");
5146 rc
= scsi_device_reprobe(sdev
);
5150 * _scsih_reprobe_target - reprobing target
5151 * @starget: scsi target struct
5152 * @no_uld_attach: sdev->no_uld_attach flag setting
5154 * Note: no_uld_attach flag determines whether the disk device is attached
5155 * to block layer. A value of `1` means to not attach.
5158 _scsih_reprobe_target(struct scsi_target
*starget
, int no_uld_attach
)
5160 struct MPT2SAS_TARGET
*sas_target_priv_data
= starget
->hostdata
;
5163 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_RAID_COMPONENT
;
5165 sas_target_priv_data
->flags
&= ~MPT_TARGET_FLAGS_RAID_COMPONENT
;
5167 starget_for_each_device(starget
, no_uld_attach
? (void *)1 : NULL
,
5168 _scsih_reprobe_lun
);
5171 * _scsih_sas_volume_add - add new volume
5172 * @ioc: per adapter object
5173 * @element: IR config element data
5179 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER
*ioc
,
5180 Mpi2EventIrConfigElement_t
*element
)
5182 struct _raid_device
*raid_device
;
5183 unsigned long flags
;
5185 u16 handle
= le16_to_cpu(element
->VolDevHandle
);
5188 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
5190 printk(MPT2SAS_ERR_FMT
5191 "failure at %s:%d/%s()!\n", ioc
->name
,
5192 __FILE__
, __LINE__
, __func__
);
5196 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5197 raid_device
= _scsih_raid_device_find_by_wwid(ioc
, wwid
);
5198 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5203 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
5205 printk(MPT2SAS_ERR_FMT
5206 "failure at %s:%d/%s()!\n", ioc
->name
,
5207 __FILE__
, __LINE__
, __func__
);
5211 raid_device
->id
= ioc
->sas_id
++;
5212 raid_device
->channel
= RAID_CHANNEL
;
5213 raid_device
->handle
= handle
;
5214 raid_device
->wwid
= wwid
;
5215 _scsih_raid_device_add(ioc
, raid_device
);
5216 if (!ioc
->wait_for_port_enable_to_complete
) {
5217 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
5218 raid_device
->id
, 0);
5220 _scsih_raid_device_remove(ioc
, raid_device
);
5222 _scsih_determine_boot_device(ioc
, raid_device
, 1);
5226 * _scsih_sas_volume_delete - delete volume
5227 * @ioc: per adapter object
5228 * @handle: volume device handle
5234 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
5236 struct _raid_device
*raid_device
;
5237 unsigned long flags
;
5238 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5240 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5241 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
5242 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5245 if (raid_device
->starget
) {
5246 sas_target_priv_data
= raid_device
->starget
->hostdata
;
5247 sas_target_priv_data
->deleted
= 1;
5248 scsi_remove_target(&raid_device
->starget
->dev
);
5250 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
5251 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
5252 (unsigned long long) raid_device
->wwid
);
5253 _scsih_raid_device_remove(ioc
, raid_device
);
5257 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
5258 * @ioc: per adapter object
5259 * @element: IR config element data
5265 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER
*ioc
,
5266 Mpi2EventIrConfigElement_t
*element
)
5268 struct _sas_device
*sas_device
;
5269 unsigned long flags
;
5270 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5272 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5273 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5274 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5278 /* exposing raid component */
5279 sas_device
->volume_handle
= 0;
5280 sas_device
->volume_wwid
= 0;
5281 clear_bit(handle
, ioc
->pd_handles
);
5282 _scsih_reprobe_target(sas_device
->starget
, 0);
5286 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
5287 * @ioc: per adapter object
5288 * @element: IR config element data
5294 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER
*ioc
,
5295 Mpi2EventIrConfigElement_t
*element
)
5297 struct _sas_device
*sas_device
;
5298 unsigned long flags
;
5299 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5301 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5302 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5303 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5307 /* hiding raid component */
5308 mpt2sas_config_get_volume_handle(ioc
, handle
,
5309 &sas_device
->volume_handle
);
5310 mpt2sas_config_get_volume_wwid(ioc
, sas_device
->volume_handle
,
5311 &sas_device
->volume_wwid
);
5312 set_bit(handle
, ioc
->pd_handles
);
5313 _scsih_reprobe_target(sas_device
->starget
, 1);
5317 * _scsih_sas_pd_delete - delete pd component
5318 * @ioc: per adapter object
5319 * @element: IR config element data
5325 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER
*ioc
,
5326 Mpi2EventIrConfigElement_t
*element
)
5328 struct _sas_device
*sas_device
;
5329 unsigned long flags
;
5330 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5332 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5333 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5334 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5337 _scsih_remove_device(ioc
, sas_device
);
5341 * _scsih_sas_pd_add - remove pd component
5342 * @ioc: per adapter object
5343 * @element: IR config element data
5349 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER
*ioc
,
5350 Mpi2EventIrConfigElement_t
*element
)
5352 struct _sas_device
*sas_device
;
5353 unsigned long flags
;
5354 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
5355 Mpi2ConfigReply_t mpi_reply
;
5356 Mpi2SasDevicePage0_t sas_device_pg0
;
5361 set_bit(handle
, ioc
->pd_handles
);
5363 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5364 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5365 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5369 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5370 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
5371 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5372 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5376 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5377 MPI2_IOCSTATUS_MASK
;
5378 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5379 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5380 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5384 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
5385 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
5386 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
5387 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
5389 _scsih_add_device(ioc
, handle
, 0, 1);
5392 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5394 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
5395 * @ioc: per adapter object
5396 * @event_data: event data payload
5402 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5403 Mpi2EventDataIrConfigChangeList_t
*event_data
)
5405 Mpi2EventIrConfigElement_t
*element
;
5408 char *reason_str
= NULL
, *element_str
= NULL
;
5410 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
5412 printk(MPT2SAS_INFO_FMT
"raid config change: (%s), elements(%d)\n",
5413 ioc
->name
, (le32_to_cpu(event_data
->Flags
) &
5414 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ?
5415 "foreign" : "native", event_data
->NumElements
);
5416 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
5417 switch (element
->ReasonCode
) {
5418 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
5421 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
5422 reason_str
= "remove";
5424 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE
:
5425 reason_str
= "no change";
5427 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
5428 reason_str
= "hide";
5430 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
5431 reason_str
= "unhide";
5433 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
5434 reason_str
= "volume_created";
5436 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
5437 reason_str
= "volume_deleted";
5439 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
5440 reason_str
= "pd_created";
5442 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
5443 reason_str
= "pd_deleted";
5446 reason_str
= "unknown reason";
5449 element_type
= le16_to_cpu(element
->ElementFlags
) &
5450 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK
;
5451 switch (element_type
) {
5452 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT
:
5453 element_str
= "volume";
5455 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT
:
5456 element_str
= "phys disk";
5458 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT
:
5459 element_str
= "hot spare";
5462 element_str
= "unknown element";
5465 printk(KERN_INFO
"\t(%s:%s), vol handle(0x%04x), "
5466 "pd handle(0x%04x), pd num(0x%02x)\n", element_str
,
5467 reason_str
, le16_to_cpu(element
->VolDevHandle
),
5468 le16_to_cpu(element
->PhysDiskDevHandle
),
5469 element
->PhysDiskNum
);
5475 * _scsih_sas_ir_config_change_event - handle ir configuration change events
5476 * @ioc: per adapter object
5477 * @fw_event: The fw_event_work object
5483 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5484 struct fw_event_work
*fw_event
)
5486 Mpi2EventIrConfigElement_t
*element
;
5489 Mpi2EventDataIrConfigChangeList_t
*event_data
= fw_event
->event_data
;
5491 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5492 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5493 _scsih_sas_ir_config_change_event_debug(ioc
, event_data
);
5496 foreign_config
= (le32_to_cpu(event_data
->Flags
) &
5497 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ? 1 : 0;
5499 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
5500 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
5502 switch (element
->ReasonCode
) {
5503 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
5504 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
5505 if (!foreign_config
)
5506 _scsih_sas_volume_add(ioc
, element
);
5508 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
5509 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
5510 if (!foreign_config
)
5511 _scsih_sas_volume_delete(ioc
,
5512 le16_to_cpu(element
->VolDevHandle
));
5514 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
5515 _scsih_sas_pd_hide(ioc
, element
);
5517 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
5518 _scsih_sas_pd_expose(ioc
, element
);
5520 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
5521 _scsih_sas_pd_add(ioc
, element
);
5523 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
5524 _scsih_sas_pd_delete(ioc
, element
);
5531 * _scsih_sas_ir_volume_event - IR volume event
5532 * @ioc: per adapter object
5533 * @fw_event: The fw_event_work object
5539 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER
*ioc
,
5540 struct fw_event_work
*fw_event
)
5543 unsigned long flags
;
5544 struct _raid_device
*raid_device
;
5548 Mpi2EventDataIrVolume_t
*event_data
= fw_event
->event_data
;
5550 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
5553 handle
= le16_to_cpu(event_data
->VolDevHandle
);
5554 state
= le32_to_cpu(event_data
->NewValue
);
5555 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle(0x%04x), "
5556 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
5557 le32_to_cpu(event_data
->PreviousValue
), state
));
5560 case MPI2_RAID_VOL_STATE_MISSING
:
5561 case MPI2_RAID_VOL_STATE_FAILED
:
5562 _scsih_sas_volume_delete(ioc
, handle
);
5565 case MPI2_RAID_VOL_STATE_ONLINE
:
5566 case MPI2_RAID_VOL_STATE_DEGRADED
:
5567 case MPI2_RAID_VOL_STATE_OPTIMAL
:
5569 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5570 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
5571 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5576 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
5578 printk(MPT2SAS_ERR_FMT
5579 "failure at %s:%d/%s()!\n", ioc
->name
,
5580 __FILE__
, __LINE__
, __func__
);
5584 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
5586 printk(MPT2SAS_ERR_FMT
5587 "failure at %s:%d/%s()!\n", ioc
->name
,
5588 __FILE__
, __LINE__
, __func__
);
5592 raid_device
->id
= ioc
->sas_id
++;
5593 raid_device
->channel
= RAID_CHANNEL
;
5594 raid_device
->handle
= handle
;
5595 raid_device
->wwid
= wwid
;
5596 _scsih_raid_device_add(ioc
, raid_device
);
5597 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
5598 raid_device
->id
, 0);
5600 _scsih_raid_device_remove(ioc
, raid_device
);
5603 case MPI2_RAID_VOL_STATE_INITIALIZING
:
5610 * _scsih_sas_ir_physical_disk_event - PD event
5611 * @ioc: per adapter object
5612 * @fw_event: The fw_event_work object
5618 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER
*ioc
,
5619 struct fw_event_work
*fw_event
)
5621 u16 handle
, parent_handle
;
5623 struct _sas_device
*sas_device
;
5624 unsigned long flags
;
5625 Mpi2ConfigReply_t mpi_reply
;
5626 Mpi2SasDevicePage0_t sas_device_pg0
;
5628 Mpi2EventDataIrPhysicalDisk_t
*event_data
= fw_event
->event_data
;
5631 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED
)
5634 handle
= le16_to_cpu(event_data
->PhysDiskDevHandle
);
5635 state
= le32_to_cpu(event_data
->NewValue
);
5637 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle(0x%04x), "
5638 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
5639 le32_to_cpu(event_data
->PreviousValue
), state
));
5642 case MPI2_RAID_PD_STATE_ONLINE
:
5643 case MPI2_RAID_PD_STATE_DEGRADED
:
5644 case MPI2_RAID_PD_STATE_REBUILDING
:
5645 case MPI2_RAID_PD_STATE_OPTIMAL
:
5646 case MPI2_RAID_PD_STATE_HOT_SPARE
:
5648 set_bit(handle
, ioc
->pd_handles
);
5650 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5651 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5652 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5657 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
5658 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
5660 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5661 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5665 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5666 MPI2_IOCSTATUS_MASK
;
5667 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5668 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5669 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5673 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
5674 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
5675 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
5676 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
5678 _scsih_add_device(ioc
, handle
, 0, 1);
5682 case MPI2_RAID_PD_STATE_OFFLINE
:
5683 case MPI2_RAID_PD_STATE_NOT_CONFIGURED
:
5684 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE
:
5690 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5692 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
5693 * @ioc: per adapter object
5694 * @event_data: event data payload
5700 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5701 Mpi2EventDataIrOperationStatus_t
*event_data
)
5703 char *reason_str
= NULL
;
5705 switch (event_data
->RAIDOperation
) {
5706 case MPI2_EVENT_IR_RAIDOP_RESYNC
:
5707 reason_str
= "resync";
5709 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION
:
5710 reason_str
= "online capacity expansion";
5712 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK
:
5713 reason_str
= "consistency check";
5715 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT
:
5716 reason_str
= "background init";
5718 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT
:
5719 reason_str
= "make data consistent";
5726 printk(MPT2SAS_INFO_FMT
"raid operational status: (%s)"
5727 "\thandle(0x%04x), percent complete(%d)\n",
5728 ioc
->name
, reason_str
,
5729 le16_to_cpu(event_data
->VolDevHandle
),
5730 event_data
->PercentComplete
);
5735 * _scsih_sas_ir_operation_status_event - handle RAID operation events
5736 * @ioc: per adapter object
5737 * @fw_event: The fw_event_work object
5743 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER
*ioc
,
5744 struct fw_event_work
*fw_event
)
5746 Mpi2EventDataIrOperationStatus_t
*event_data
= fw_event
->event_data
;
5747 static struct _raid_device
*raid_device
;
5748 unsigned long flags
;
5751 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5752 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5753 _scsih_sas_ir_operation_status_event_debug(ioc
,
5757 /* code added for raid transport support */
5758 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
) {
5760 handle
= le16_to_cpu(event_data
->VolDevHandle
);
5762 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5763 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
5764 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5769 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
)
5770 raid_device
->percent_complete
=
5771 event_data
->PercentComplete
;
5776 * _scsih_task_set_full - handle task set full
5777 * @ioc: per adapter object
5778 * @fw_event: The fw_event_work object
5781 * Throttle back qdepth.
5784 _scsih_task_set_full(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
5787 unsigned long flags
;
5788 struct _sas_device
*sas_device
;
5789 static struct _raid_device
*raid_device
;
5790 struct scsi_device
*sdev
;
5796 Mpi2EventDataTaskSetFull_t
*event_data
= fw_event
->event_data
;
5798 current_depth
= le16_to_cpu(event_data
->CurrentDepth
);
5799 handle
= le16_to_cpu(event_data
->DevHandle
);
5800 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5801 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5803 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5806 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5807 id
= sas_device
->id
;
5808 channel
= sas_device
->channel
;
5809 sas_address
= sas_device
->sas_address
;
5811 /* if hidden raid component, then change to volume characteristics */
5812 if (test_bit(handle
, ioc
->pd_handles
) && sas_device
->volume_handle
) {
5813 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5814 raid_device
= _scsih_raid_device_find_by_handle(
5815 ioc
, sas_device
->volume_handle
);
5816 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5818 id
= raid_device
->id
;
5819 channel
= raid_device
->channel
;
5820 handle
= raid_device
->handle
;
5821 sas_address
= raid_device
->wwid
;
5825 if (ioc
->logging_level
& MPT_DEBUG_TASK_SET_FULL
)
5826 starget_printk(KERN_INFO
, sas_device
->starget
, "task set "
5827 "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n",
5828 handle
, (unsigned long long)sas_address
, current_depth
);
5830 shost_for_each_device(sdev
, ioc
->shost
) {
5831 if (sdev
->id
== id
&& sdev
->channel
== channel
) {
5832 if (current_depth
> sdev
->queue_depth
) {
5833 if (ioc
->logging_level
&
5834 MPT_DEBUG_TASK_SET_FULL
)
5835 sdev_printk(KERN_INFO
, sdev
, "strange "
5836 "observation, the queue depth is"
5837 " (%d) meanwhile fw queue depth "
5838 "is (%d)\n", sdev
->queue_depth
,
5842 depth
= scsi_track_queue_full(sdev
,
5845 sdev_printk(KERN_INFO
, sdev
, "Queue depth "
5846 "reduced to (%d)\n", depth
);
5848 sdev_printk(KERN_INFO
, sdev
, "Tagged Command "
5849 "Queueing is being disabled\n");
5850 else if (depth
== 0)
5851 if (ioc
->logging_level
&
5852 MPT_DEBUG_TASK_SET_FULL
)
5853 sdev_printk(KERN_INFO
, sdev
,
5854 "Queue depth not changed yet\n");
5860 * _scsih_prep_device_scan - initialize parameters prior to device scan
5861 * @ioc: per adapter object
5863 * Set the deleted flag prior to device scan. If the device is found during
5864 * the scan, then we clear the deleted flag.
5867 _scsih_prep_device_scan(struct MPT2SAS_ADAPTER
*ioc
)
5869 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
5870 struct scsi_device
*sdev
;
5872 shost_for_each_device(sdev
, ioc
->shost
) {
5873 sas_device_priv_data
= sdev
->hostdata
;
5874 if (sas_device_priv_data
&& sas_device_priv_data
->sas_target
)
5875 sas_device_priv_data
->sas_target
->deleted
= 1;
5880 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
5881 * @ioc: per adapter object
5882 * @sas_address: sas address
5883 * @slot: enclosure slot id
5884 * @handle: device handle
5886 * After host reset, find out whether devices are still responding.
5887 * Used in _scsi_remove_unresponsive_sas_devices.
5892 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
5893 u16 slot
, u16 handle
)
5895 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5896 struct scsi_target
*starget
;
5897 struct _sas_device
*sas_device
;
5898 unsigned long flags
;
5900 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5901 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
5902 if (sas_device
->sas_address
== sas_address
&&
5903 sas_device
->slot
== slot
&& sas_device
->starget
) {
5904 sas_device
->responding
= 1;
5905 starget
= sas_device
->starget
;
5906 if (starget
&& starget
->hostdata
) {
5907 sas_target_priv_data
= starget
->hostdata
;
5908 sas_target_priv_data
->tm_busy
= 0;
5909 sas_target_priv_data
->deleted
= 0;
5911 sas_target_priv_data
= NULL
;
5912 starget_printk(KERN_INFO
, sas_device
->starget
,
5913 "handle(0x%04x), sas_addr(0x%016llx), enclosure "
5914 "logical id(0x%016llx), slot(%d)\n", handle
,
5915 (unsigned long long)sas_device
->sas_address
,
5916 (unsigned long long)
5917 sas_device
->enclosure_logical_id
,
5919 if (sas_device
->handle
== handle
)
5921 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
5922 sas_device
->handle
);
5923 sas_device
->handle
= handle
;
5924 if (sas_target_priv_data
)
5925 sas_target_priv_data
->handle
= handle
;
5930 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5934 * _scsih_search_responding_sas_devices -
5935 * @ioc: per adapter object
5937 * After host reset, find out whether devices are still responding.
5943 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
5945 Mpi2SasDevicePage0_t sas_device_pg0
;
5946 Mpi2ConfigReply_t mpi_reply
;
5953 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
, __func__
);
5955 if (list_empty(&ioc
->sas_device_list
))
5959 while (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
5960 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
5962 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5963 MPI2_IOCSTATUS_MASK
;
5964 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
5966 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
5967 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
5968 if (!(_scsih_is_end_device(device_info
)))
5970 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
5971 slot
= le16_to_cpu(sas_device_pg0
.Slot
);
5972 _scsih_mark_responding_sas_device(ioc
, sas_address
, slot
,
5978 * _scsih_mark_responding_raid_device - mark a raid_device as responding
5979 * @ioc: per adapter object
5980 * @wwid: world wide identifier for raid volume
5981 * @handle: device handle
5983 * After host reset, find out whether devices are still responding.
5984 * Used in _scsi_remove_unresponsive_raid_devices.
5989 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
,
5992 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5993 struct scsi_target
*starget
;
5994 struct _raid_device
*raid_device
;
5995 unsigned long flags
;
5997 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5998 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
5999 if (raid_device
->wwid
== wwid
&& raid_device
->starget
) {
6000 starget
= raid_device
->starget
;
6001 if (starget
&& starget
->hostdata
) {
6002 sas_target_priv_data
= starget
->hostdata
;
6003 sas_target_priv_data
->deleted
= 0;
6005 sas_target_priv_data
= NULL
;
6006 raid_device
->responding
= 1;
6007 starget_printk(KERN_INFO
, raid_device
->starget
,
6008 "handle(0x%04x), wwid(0x%016llx)\n", handle
,
6009 (unsigned long long)raid_device
->wwid
);
6010 if (raid_device
->handle
== handle
)
6012 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
6013 raid_device
->handle
);
6014 raid_device
->handle
= handle
;
6015 if (sas_target_priv_data
)
6016 sas_target_priv_data
->handle
= handle
;
6021 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6025 * _scsih_search_responding_raid_devices -
6026 * @ioc: per adapter object
6028 * After host reset, find out whether devices are still responding.
6034 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER
*ioc
)
6036 Mpi2RaidVolPage1_t volume_pg1
;
6037 Mpi2RaidVolPage0_t volume_pg0
;
6038 Mpi2RaidPhysDiskPage0_t pd_pg0
;
6039 Mpi2ConfigReply_t mpi_reply
;
6044 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
, __func__
);
6046 if (list_empty(&ioc
->raid_device_list
))
6050 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
6051 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
6052 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6053 MPI2_IOCSTATUS_MASK
;
6054 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6056 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
6058 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
6059 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
6060 sizeof(Mpi2RaidVolPage0_t
)))
6063 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
6064 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
6065 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
)
6066 _scsih_mark_responding_raid_device(ioc
,
6067 le64_to_cpu(volume_pg1
.WWID
), handle
);
6070 /* refresh the pd_handles */
6071 phys_disk_num
= 0xFF;
6072 memset(ioc
->pd_handles
, 0, ioc
->pd_handles_sz
);
6073 while (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
6074 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
6076 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6077 MPI2_IOCSTATUS_MASK
;
6078 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6080 phys_disk_num
= pd_pg0
.PhysDiskNum
;
6081 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
6082 set_bit(handle
, ioc
->pd_handles
);
6087 * _scsih_mark_responding_expander - mark a expander as responding
6088 * @ioc: per adapter object
6089 * @sas_address: sas address
6092 * After host reset, find out whether devices are still responding.
6093 * Used in _scsi_remove_unresponsive_expanders.
6098 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
6101 struct _sas_node
*sas_expander
;
6102 unsigned long flags
;
6105 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6106 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
6107 if (sas_expander
->sas_address
!= sas_address
)
6109 sas_expander
->responding
= 1;
6110 if (sas_expander
->handle
== handle
)
6112 printk(KERN_INFO
"\texpander(0x%016llx): handle changed"
6113 " from(0x%04x) to (0x%04x)!!!\n",
6114 (unsigned long long)sas_expander
->sas_address
,
6115 sas_expander
->handle
, handle
);
6116 sas_expander
->handle
= handle
;
6117 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++)
6118 sas_expander
->phy
[i
].handle
= handle
;
6122 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6126 * _scsih_search_responding_expanders -
6127 * @ioc: per adapter object
6129 * After host reset, find out whether devices are still responding.
6135 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER
*ioc
)
6137 Mpi2ExpanderPage0_t expander_pg0
;
6138 Mpi2ConfigReply_t mpi_reply
;
6143 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
, __func__
);
6145 if (list_empty(&ioc
->sas_expander_list
))
6149 while (!(mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
6150 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
6152 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6153 MPI2_IOCSTATUS_MASK
;
6154 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6157 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
6158 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
6159 printk(KERN_INFO
"\texpander present: handle(0x%04x), "
6160 "sas_addr(0x%016llx)\n", handle
,
6161 (unsigned long long)sas_address
);
6162 _scsih_mark_responding_expander(ioc
, sas_address
, handle
);
6168 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
6169 * @ioc: per adapter object
6174 _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
6176 struct _sas_device
*sas_device
, *sas_device_next
;
6177 struct _sas_node
*sas_expander
;
6178 struct _raid_device
*raid_device
, *raid_device_next
;
6181 list_for_each_entry_safe(sas_device
, sas_device_next
,
6182 &ioc
->sas_device_list
, list
) {
6183 if (sas_device
->responding
) {
6184 sas_device
->responding
= 0;
6187 if (sas_device
->starget
)
6188 starget_printk(KERN_INFO
, sas_device
->starget
,
6189 "removing: handle(0x%04x), sas_addr(0x%016llx), "
6190 "enclosure logical id(0x%016llx), slot(%d)\n",
6192 (unsigned long long)sas_device
->sas_address
,
6193 (unsigned long long)
6194 sas_device
->enclosure_logical_id
,
6196 _scsih_remove_device(ioc
, sas_device
);
6199 list_for_each_entry_safe(raid_device
, raid_device_next
,
6200 &ioc
->raid_device_list
, list
) {
6201 if (raid_device
->responding
) {
6202 raid_device
->responding
= 0;
6205 if (raid_device
->starget
) {
6206 starget_printk(KERN_INFO
, raid_device
->starget
,
6207 "removing: handle(0x%04x), wwid(0x%016llx)\n",
6208 raid_device
->handle
,
6209 (unsigned long long)raid_device
->wwid
);
6210 scsi_remove_target(&raid_device
->starget
->dev
);
6212 _scsih_raid_device_remove(ioc
, raid_device
);
6215 retry_expander_search
:
6216 sas_expander
= NULL
;
6217 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
6218 if (sas_expander
->responding
) {
6219 sas_expander
->responding
= 0;
6222 _scsih_expander_remove(ioc
, sas_expander
->sas_address
);
6223 goto retry_expander_search
;
6228 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
6229 * @ioc: per adapter object
6230 * @reset_phase: phase
6232 * The handler for doing any required cleanup or initialization.
6234 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
6235 * MPT2_IOC_DONE_RESET
6240 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER
*ioc
, int reset_phase
)
6242 switch (reset_phase
) {
6243 case MPT2_IOC_PRE_RESET
:
6244 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
6245 "MPT2_IOC_PRE_RESET\n", ioc
->name
, __func__
));
6247 case MPT2_IOC_AFTER_RESET
:
6248 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
6249 "MPT2_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
6250 if (ioc
->scsih_cmds
.status
& MPT2_CMD_PENDING
) {
6251 ioc
->scsih_cmds
.status
|= MPT2_CMD_RESET
;
6252 mpt2sas_base_free_smid(ioc
, ioc
->scsih_cmds
.smid
);
6253 complete(&ioc
->scsih_cmds
.done
);
6255 if (ioc
->tm_cmds
.status
& MPT2_CMD_PENDING
) {
6256 ioc
->tm_cmds
.status
|= MPT2_CMD_RESET
;
6257 mpt2sas_base_free_smid(ioc
, ioc
->tm_cmds
.smid
);
6258 complete(&ioc
->tm_cmds
.done
);
6260 _scsih_fw_event_cleanup_queue(ioc
);
6261 _scsih_flush_running_cmds(ioc
);
6262 _scsih_queue_rescan(ioc
);
6264 case MPT2_IOC_DONE_RESET
:
6265 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
6266 "MPT2_IOC_DONE_RESET\n", ioc
->name
, __func__
));
6267 _scsih_sas_host_refresh(ioc
);
6268 _scsih_prep_device_scan(ioc
);
6269 _scsih_search_responding_sas_devices(ioc
);
6270 _scsih_search_responding_raid_devices(ioc
);
6271 _scsih_search_responding_expanders(ioc
);
6277 * _firmware_event_work - delayed task for processing firmware events
6278 * @ioc: per adapter object
6279 * @work: equal to the fw_event_work object
6285 _firmware_event_work(struct work_struct
*work
)
6287 struct fw_event_work
*fw_event
= container_of(work
,
6288 struct fw_event_work
, delayed_work
.work
);
6289 unsigned long flags
;
6290 struct MPT2SAS_ADAPTER
*ioc
= fw_event
->ioc
;
6292 /* the queue is being flushed so ignore this event */
6293 if (ioc
->remove_host
|| fw_event
->cancel_pending_work
||
6294 ioc
->pci_error_recovery
) {
6295 _scsih_fw_event_free(ioc
, fw_event
);
6299 if (fw_event
->event
== MPT2SAS_RESCAN_AFTER_HOST_RESET
) {
6300 _scsih_fw_event_free(ioc
, fw_event
);
6301 spin_lock_irqsave(&ioc
->ioc_reset_in_progress_lock
, flags
);
6302 if (ioc
->shost_recovery
) {
6303 init_completion(&ioc
->shost_recovery_done
);
6304 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
,
6306 wait_for_completion(&ioc
->shost_recovery_done
);
6308 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
,
6310 _scsih_remove_unresponding_sas_devices(ioc
);
6314 switch (fw_event
->event
) {
6315 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
6316 _scsih_sas_topology_change_event(ioc
, fw_event
);
6318 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
6319 _scsih_sas_device_status_change_event(ioc
,
6322 case MPI2_EVENT_SAS_DISCOVERY
:
6323 _scsih_sas_discovery_event(ioc
,
6326 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
6327 _scsih_sas_broadcast_primative_event(ioc
,
6330 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
6331 _scsih_sas_enclosure_dev_status_change_event(ioc
,
6334 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
6335 _scsih_sas_ir_config_change_event(ioc
, fw_event
);
6337 case MPI2_EVENT_IR_VOLUME
:
6338 _scsih_sas_ir_volume_event(ioc
, fw_event
);
6340 case MPI2_EVENT_IR_PHYSICAL_DISK
:
6341 _scsih_sas_ir_physical_disk_event(ioc
, fw_event
);
6343 case MPI2_EVENT_IR_OPERATION_STATUS
:
6344 _scsih_sas_ir_operation_status_event(ioc
, fw_event
);
6346 case MPI2_EVENT_TASK_SET_FULL
:
6347 _scsih_task_set_full(ioc
, fw_event
);
6350 _scsih_fw_event_free(ioc
, fw_event
);
6354 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
6355 * @ioc: per adapter object
6356 * @msix_index: MSIX table index supplied by the OS
6357 * @reply: reply message frame(lower 32bit addr)
6358 * Context: interrupt.
6360 * This function merely adds a new work task into ioc->firmware_event_thread.
6361 * The tasks are worked from _firmware_event_work in user context.
6363 * Return 1 meaning mf should be freed from _base_interrupt
6364 * 0 means the mf is freed from this function.
6367 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER
*ioc
, u8 msix_index
,
6370 struct fw_event_work
*fw_event
;
6371 Mpi2EventNotificationReply_t
*mpi_reply
;
6375 /* events turned off due to host reset or driver unloading */
6376 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
6379 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
6380 event
= le16_to_cpu(mpi_reply
->Event
);
6384 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
6386 Mpi2EventDataSasBroadcastPrimitive_t
*baen_data
=
6387 (Mpi2EventDataSasBroadcastPrimitive_t
*)
6388 mpi_reply
->EventData
;
6390 if (baen_data
->Primitive
!=
6391 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT
||
6392 ioc
->broadcast_aen_busy
)
6394 ioc
->broadcast_aen_busy
= 1;
6398 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
6399 _scsih_check_topo_delete_events(ioc
,
6400 (Mpi2EventDataSasTopologyChangeList_t
*)
6401 mpi_reply
->EventData
);
6403 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
6404 _scsih_check_ir_config_unhide_events(ioc
,
6405 (Mpi2EventDataIrConfigChangeList_t
*)
6406 mpi_reply
->EventData
);
6408 case MPI2_EVENT_IR_VOLUME
:
6409 _scsih_check_volume_delete_events(ioc
,
6410 (Mpi2EventDataIrVolume_t
*)
6411 mpi_reply
->EventData
);
6413 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
6414 case MPI2_EVENT_IR_OPERATION_STATUS
:
6415 case MPI2_EVENT_SAS_DISCOVERY
:
6416 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
6417 case MPI2_EVENT_IR_PHYSICAL_DISK
:
6418 case MPI2_EVENT_TASK_SET_FULL
:
6421 default: /* ignore the rest */
6425 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
6427 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6428 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6431 sz
= le16_to_cpu(mpi_reply
->EventDataLength
) * 4;
6432 fw_event
->event_data
= kzalloc(sz
, GFP_ATOMIC
);
6433 if (!fw_event
->event_data
) {
6434 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6435 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6440 memcpy(fw_event
->event_data
, mpi_reply
->EventData
,
6442 fw_event
->ioc
= ioc
;
6443 fw_event
->VF_ID
= mpi_reply
->VF_ID
;
6444 fw_event
->VP_ID
= mpi_reply
->VP_ID
;
6445 fw_event
->event
= event
;
6446 _scsih_fw_event_add(ioc
, fw_event
);
6450 /* shost template */
6451 static struct scsi_host_template scsih_driver_template
= {
6452 .module
= THIS_MODULE
,
6453 .name
= "Fusion MPT SAS Host",
6454 .proc_name
= MPT2SAS_DRIVER_NAME
,
6455 .queuecommand
= _scsih_qcmd
,
6456 .target_alloc
= _scsih_target_alloc
,
6457 .slave_alloc
= _scsih_slave_alloc
,
6458 .slave_configure
= _scsih_slave_configure
,
6459 .target_destroy
= _scsih_target_destroy
,
6460 .slave_destroy
= _scsih_slave_destroy
,
6461 .change_queue_depth
= _scsih_change_queue_depth
,
6462 .change_queue_type
= _scsih_change_queue_type
,
6463 .eh_abort_handler
= _scsih_abort
,
6464 .eh_device_reset_handler
= _scsih_dev_reset
,
6465 .eh_target_reset_handler
= _scsih_target_reset
,
6466 .eh_host_reset_handler
= _scsih_host_reset
,
6467 .bios_param
= _scsih_bios_param
,
6470 .sg_tablesize
= MPT2SAS_SG_DEPTH
,
6471 .max_sectors
= 8192,
6473 .use_clustering
= ENABLE_CLUSTERING
,
6474 .shost_attrs
= mpt2sas_host_attrs
,
6475 .sdev_attrs
= mpt2sas_dev_attrs
,
6479 * _scsih_expander_node_remove - removing expander device from list.
6480 * @ioc: per adapter object
6481 * @sas_expander: the sas_device object
6482 * Context: Calling function should acquire ioc->sas_node_lock.
6484 * Removing object and freeing associated memory from the
6485 * ioc->sas_expander_list.
6490 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
6491 struct _sas_node
*sas_expander
)
6493 struct _sas_port
*mpt2sas_port
;
6494 struct _sas_device
*sas_device
;
6495 struct _sas_node
*expander_sibling
;
6496 unsigned long flags
;
6501 /* remove sibling ports attached to this expander */
6502 retry_device_search
:
6503 list_for_each_entry(mpt2sas_port
,
6504 &sas_expander
->sas_port_list
, port_list
) {
6505 if (mpt2sas_port
->remote_identify
.device_type
==
6507 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6509 mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
6510 mpt2sas_port
->remote_identify
.sas_address
);
6511 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6514 _scsih_remove_device(ioc
, sas_device
);
6515 if (ioc
->shost_recovery
)
6517 goto retry_device_search
;
6521 retry_expander_search
:
6522 list_for_each_entry(mpt2sas_port
,
6523 &sas_expander
->sas_port_list
, port_list
) {
6525 if (mpt2sas_port
->remote_identify
.device_type
==
6526 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER
||
6527 mpt2sas_port
->remote_identify
.device_type
==
6528 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER
) {
6530 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6532 mpt2sas_scsih_expander_find_by_sas_address(
6533 ioc
, mpt2sas_port
->remote_identify
.sas_address
);
6534 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6535 if (!expander_sibling
)
6537 _scsih_expander_remove(ioc
,
6538 expander_sibling
->sas_address
);
6539 if (ioc
->shost_recovery
)
6541 goto retry_expander_search
;
6545 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
6546 sas_expander
->sas_address_parent
);
6548 printk(MPT2SAS_INFO_FMT
"expander_remove: handle"
6549 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6550 sas_expander
->handle
, (unsigned long long)
6551 sas_expander
->sas_address
);
6553 list_del(&sas_expander
->list
);
6554 kfree(sas_expander
->phy
);
6555 kfree(sas_expander
);
6559 * _scsih_ir_shutdown - IR shutdown notification
6560 * @ioc: per adapter object
6562 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
6563 * the host system is shutting down.
6568 _scsih_ir_shutdown(struct MPT2SAS_ADAPTER
*ioc
)
6570 Mpi2RaidActionRequest_t
*mpi_request
;
6571 Mpi2RaidActionReply_t
*mpi_reply
;
6574 /* is IR firmware build loaded ? */
6575 if (!ioc
->ir_firmware
)
6578 /* are there any volumes ? */
6579 if (list_empty(&ioc
->raid_device_list
))
6582 mutex_lock(&ioc
->scsih_cmds
.mutex
);
6584 if (ioc
->scsih_cmds
.status
!= MPT2_CMD_NOT_USED
) {
6585 printk(MPT2SAS_ERR_FMT
"%s: scsih_cmd in use\n",
6586 ioc
->name
, __func__
);
6589 ioc
->scsih_cmds
.status
= MPT2_CMD_PENDING
;
6591 smid
= mpt2sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
6593 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
6594 ioc
->name
, __func__
);
6595 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
6599 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
6600 ioc
->scsih_cmds
.smid
= smid
;
6601 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
6603 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
6604 mpi_request
->Action
= MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED
;
6606 printk(MPT2SAS_INFO_FMT
"IR shutdown (sending)\n", ioc
->name
);
6607 init_completion(&ioc
->scsih_cmds
.done
);
6608 mpt2sas_base_put_smid_default(ioc
, smid
);
6609 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
6611 if (!(ioc
->scsih_cmds
.status
& MPT2_CMD_COMPLETE
)) {
6612 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
6613 ioc
->name
, __func__
);
6617 if (ioc
->scsih_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
6618 mpi_reply
= ioc
->scsih_cmds
.reply
;
6620 printk(MPT2SAS_INFO_FMT
"IR shutdown (complete): "
6621 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6622 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
6623 le32_to_cpu(mpi_reply
->IOCLogInfo
));
6627 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
6628 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
6632 * _scsih_shutdown - routine call during system shutdown
6633 * @pdev: PCI device struct
6638 _scsih_shutdown(struct pci_dev
*pdev
)
6640 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6641 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
6642 struct workqueue_struct
*wq
;
6643 unsigned long flags
;
6645 ioc
->remove_host
= 1;
6646 _scsih_fw_event_cleanup_queue(ioc
);
6648 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
6649 wq
= ioc
->firmware_event_thread
;
6650 ioc
->firmware_event_thread
= NULL
;
6651 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
6653 destroy_workqueue(wq
);
6655 _scsih_ir_shutdown(ioc
);
6656 mpt2sas_base_detach(ioc
);
6660 * _scsih_remove - detach and remove add host
6661 * @pdev: PCI device struct
6663 * Routine called when unloading the driver.
6666 static void __devexit
6667 _scsih_remove(struct pci_dev
*pdev
)
6669 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6670 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
6671 struct _sas_port
*mpt2sas_port
;
6672 struct _sas_device
*sas_device
;
6673 struct _sas_node
*expander_sibling
;
6674 struct _raid_device
*raid_device
, *next
;
6675 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6676 struct workqueue_struct
*wq
;
6677 unsigned long flags
;
6679 ioc
->remove_host
= 1;
6680 _scsih_fw_event_cleanup_queue(ioc
);
6682 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
6683 wq
= ioc
->firmware_event_thread
;
6684 ioc
->firmware_event_thread
= NULL
;
6685 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
6687 destroy_workqueue(wq
);
6689 /* release all the volumes */
6690 list_for_each_entry_safe(raid_device
, next
, &ioc
->raid_device_list
,
6692 if (raid_device
->starget
) {
6693 sas_target_priv_data
=
6694 raid_device
->starget
->hostdata
;
6695 sas_target_priv_data
->deleted
= 1;
6696 scsi_remove_target(&raid_device
->starget
->dev
);
6698 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
6699 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
6700 (unsigned long long) raid_device
->wwid
);
6701 _scsih_raid_device_remove(ioc
, raid_device
);
6704 /* free ports attached to the sas_host */
6706 list_for_each_entry(mpt2sas_port
,
6707 &ioc
->sas_hba
.sas_port_list
, port_list
) {
6708 if (mpt2sas_port
->remote_identify
.device_type
==
6711 mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
6712 mpt2sas_port
->remote_identify
.sas_address
);
6714 _scsih_remove_device(ioc
, sas_device
);
6719 mpt2sas_scsih_expander_find_by_sas_address(ioc
,
6720 mpt2sas_port
->remote_identify
.sas_address
);
6721 if (expander_sibling
) {
6722 _scsih_expander_remove(ioc
,
6723 expander_sibling
->sas_address
);
6729 /* free phys attached to the sas_host */
6730 if (ioc
->sas_hba
.num_phys
) {
6731 kfree(ioc
->sas_hba
.phy
);
6732 ioc
->sas_hba
.phy
= NULL
;
6733 ioc
->sas_hba
.num_phys
= 0;
6736 sas_remove_host(shost
);
6737 _scsih_shutdown(pdev
);
6738 list_del(&ioc
->list
);
6739 scsi_remove_host(shost
);
6740 scsi_host_put(shost
);
6744 * _scsih_probe_boot_devices - reports 1st device
6745 * @ioc: per adapter object
6747 * If specified in bios page 2, this routine reports the 1st
6748 * device scsi-ml or sas transport for persistent boot device
6749 * purposes. Please refer to function _scsih_determine_boot_device()
6752 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER
*ioc
)
6756 struct _sas_device
*sas_device
;
6757 struct _raid_device
*raid_device
;
6759 u64 sas_address_parent
;
6761 unsigned long flags
;
6765 if (ioc
->req_boot_device
.device
) {
6766 device
= ioc
->req_boot_device
.device
;
6767 is_raid
= ioc
->req_boot_device
.is_raid
;
6768 } else if (ioc
->req_alt_boot_device
.device
) {
6769 device
= ioc
->req_alt_boot_device
.device
;
6770 is_raid
= ioc
->req_alt_boot_device
.is_raid
;
6771 } else if (ioc
->current_boot_device
.device
) {
6772 device
= ioc
->current_boot_device
.device
;
6773 is_raid
= ioc
->current_boot_device
.is_raid
;
6780 raid_device
= device
;
6781 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6782 raid_device
->id
, 0);
6784 _scsih_raid_device_remove(ioc
, raid_device
);
6786 sas_device
= device
;
6787 handle
= sas_device
->handle
;
6788 sas_address_parent
= sas_device
->sas_address_parent
;
6789 sas_address
= sas_device
->sas_address
;
6790 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6791 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
6792 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6793 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
6794 sas_device
->sas_address_parent
)) {
6795 _scsih_sas_device_remove(ioc
, sas_device
);
6796 } else if (!sas_device
->starget
) {
6797 mpt2sas_transport_port_remove(ioc
, sas_address
,
6798 sas_address_parent
);
6799 _scsih_sas_device_remove(ioc
, sas_device
);
6805 * _scsih_probe_raid - reporting raid volumes to scsi-ml
6806 * @ioc: per adapter object
6808 * Called during initial loading of the driver.
6811 _scsih_probe_raid(struct MPT2SAS_ADAPTER
*ioc
)
6813 struct _raid_device
*raid_device
, *raid_next
;
6816 list_for_each_entry_safe(raid_device
, raid_next
,
6817 &ioc
->raid_device_list
, list
) {
6818 if (raid_device
->starget
)
6820 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6821 raid_device
->id
, 0);
6823 _scsih_raid_device_remove(ioc
, raid_device
);
6828 * _scsih_probe_sas - reporting sas devices to sas transport
6829 * @ioc: per adapter object
6831 * Called during initial loading of the driver.
6834 _scsih_probe_sas(struct MPT2SAS_ADAPTER
*ioc
)
6836 struct _sas_device
*sas_device
, *next
;
6837 unsigned long flags
;
6839 /* SAS Device List */
6840 list_for_each_entry_safe(sas_device
, next
, &ioc
->sas_device_init_list
,
6842 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6843 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
6844 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6846 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
6847 sas_device
->sas_address_parent
)) {
6848 _scsih_sas_device_remove(ioc
, sas_device
);
6849 } else if (!sas_device
->starget
) {
6850 mpt2sas_transport_port_remove(ioc
,
6851 sas_device
->sas_address
,
6852 sas_device
->sas_address_parent
);
6853 _scsih_sas_device_remove(ioc
, sas_device
);
6859 * _scsih_probe_devices - probing for devices
6860 * @ioc: per adapter object
6862 * Called during initial loading of the driver.
6865 _scsih_probe_devices(struct MPT2SAS_ADAPTER
*ioc
)
6867 u16 volume_mapping_flags
=
6868 le16_to_cpu(ioc
->ioc_pg8
.IRVolumeMappingFlags
) &
6869 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE
;
6871 if (!(ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR
))
6872 return; /* return when IOC doesn't support initiator mode */
6874 _scsih_probe_boot_devices(ioc
);
6876 if (ioc
->ir_firmware
) {
6877 if ((volume_mapping_flags
&
6878 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING
)) {
6879 _scsih_probe_sas(ioc
);
6880 _scsih_probe_raid(ioc
);
6882 _scsih_probe_raid(ioc
);
6883 _scsih_probe_sas(ioc
);
6886 _scsih_probe_sas(ioc
);
6890 * _scsih_probe - attach and add scsi host
6891 * @pdev: PCI device struct
6892 * @id: pci device id
6894 * Returns 0 success, anything else error.
6897 _scsih_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
6899 struct MPT2SAS_ADAPTER
*ioc
;
6900 struct Scsi_Host
*shost
;
6902 shost
= scsi_host_alloc(&scsih_driver_template
,
6903 sizeof(struct MPT2SAS_ADAPTER
));
6907 /* init local params */
6908 ioc
= shost_priv(shost
);
6909 memset(ioc
, 0, sizeof(struct MPT2SAS_ADAPTER
));
6910 INIT_LIST_HEAD(&ioc
->list
);
6911 list_add_tail(&ioc
->list
, &mpt2sas_ioc_list
);
6913 ioc
->id
= mpt_ids
++;
6914 sprintf(ioc
->name
, "%s%d", MPT2SAS_DRIVER_NAME
, ioc
->id
);
6916 ioc
->scsi_io_cb_idx
= scsi_io_cb_idx
;
6917 ioc
->tm_cb_idx
= tm_cb_idx
;
6918 ioc
->ctl_cb_idx
= ctl_cb_idx
;
6919 ioc
->base_cb_idx
= base_cb_idx
;
6920 ioc
->transport_cb_idx
= transport_cb_idx
;
6921 ioc
->scsih_cb_idx
= scsih_cb_idx
;
6922 ioc
->config_cb_idx
= config_cb_idx
;
6923 ioc
->tm_tr_cb_idx
= tm_tr_cb_idx
;
6924 ioc
->tm_tr_volume_cb_idx
= tm_tr_volume_cb_idx
;
6925 ioc
->tm_sas_control_cb_idx
= tm_sas_control_cb_idx
;
6926 ioc
->logging_level
= logging_level
;
6927 /* misc semaphores and spin locks */
6928 mutex_init(&ioc
->reset_in_progress_mutex
);
6929 spin_lock_init(&ioc
->ioc_reset_in_progress_lock
);
6930 spin_lock_init(&ioc
->scsi_lookup_lock
);
6931 spin_lock_init(&ioc
->sas_device_lock
);
6932 spin_lock_init(&ioc
->sas_node_lock
);
6933 spin_lock_init(&ioc
->fw_event_lock
);
6934 spin_lock_init(&ioc
->raid_device_lock
);
6936 INIT_LIST_HEAD(&ioc
->sas_device_list
);
6937 INIT_LIST_HEAD(&ioc
->sas_device_init_list
);
6938 INIT_LIST_HEAD(&ioc
->sas_expander_list
);
6939 INIT_LIST_HEAD(&ioc
->fw_event_list
);
6940 INIT_LIST_HEAD(&ioc
->raid_device_list
);
6941 INIT_LIST_HEAD(&ioc
->sas_hba
.sas_port_list
);
6942 INIT_LIST_HEAD(&ioc
->delayed_tr_list
);
6943 INIT_LIST_HEAD(&ioc
->delayed_tr_volume_list
);
6945 /* init shost parameters */
6946 shost
->max_cmd_len
= 32;
6947 shost
->max_lun
= max_lun
;
6948 shost
->transportt
= mpt2sas_transport_template
;
6949 shost
->unique_id
= ioc
->id
;
6951 if ((scsi_add_host(shost
, &pdev
->dev
))) {
6952 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6953 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6954 list_del(&ioc
->list
);
6955 goto out_add_shost_fail
;
6958 scsi_host_set_prot(shost
, SHOST_DIF_TYPE1_PROTECTION
6959 | SHOST_DIF_TYPE2_PROTECTION
| SHOST_DIF_TYPE3_PROTECTION
);
6960 scsi_host_set_guard(shost
, SHOST_DIX_GUARD_CRC
);
6963 snprintf(ioc
->firmware_event_name
, sizeof(ioc
->firmware_event_name
),
6964 "fw_event%d", ioc
->id
);
6965 ioc
->firmware_event_thread
= create_singlethread_workqueue(
6966 ioc
->firmware_event_name
);
6967 if (!ioc
->firmware_event_thread
) {
6968 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6969 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6970 goto out_thread_fail
;
6973 ioc
->wait_for_port_enable_to_complete
= 1;
6974 if ((mpt2sas_base_attach(ioc
))) {
6975 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6976 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6977 goto out_attach_fail
;
6980 ioc
->wait_for_port_enable_to_complete
= 0;
6981 _scsih_probe_devices(ioc
);
6985 destroy_workqueue(ioc
->firmware_event_thread
);
6987 list_del(&ioc
->list
);
6988 scsi_remove_host(shost
);
6995 * _scsih_suspend - power management suspend main entry point
6996 * @pdev: PCI device struct
6997 * @state: PM state change to (usually PCI_D3)
6999 * Returns 0 success, anything else error.
7002 _scsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
7004 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7005 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7008 mpt2sas_base_stop_watchdog(ioc
);
7009 flush_scheduled_work();
7010 scsi_block_requests(shost
);
7011 device_state
= pci_choose_state(pdev
, state
);
7012 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, entering "
7013 "operating state [D%d]\n", ioc
->name
, pdev
,
7014 pci_name(pdev
), device_state
);
7016 mpt2sas_base_free_resources(ioc
);
7017 pci_save_state(pdev
);
7018 pci_disable_device(pdev
);
7019 pci_set_power_state(pdev
, device_state
);
7024 * _scsih_resume - power management resume main entry point
7025 * @pdev: PCI device struct
7027 * Returns 0 success, anything else error.
7030 _scsih_resume(struct pci_dev
*pdev
)
7032 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7033 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7034 u32 device_state
= pdev
->current_state
;
7037 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, previous "
7038 "operating state [D%d]\n", ioc
->name
, pdev
,
7039 pci_name(pdev
), device_state
);
7041 pci_set_power_state(pdev
, PCI_D0
);
7042 pci_enable_wake(pdev
, PCI_D0
, 0);
7043 pci_restore_state(pdev
);
7045 r
= mpt2sas_base_map_resources(ioc
);
7049 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
, SOFT_RESET
);
7050 scsi_unblock_requests(shost
);
7051 mpt2sas_base_start_watchdog(ioc
);
7054 #endif /* CONFIG_PM */
7057 * _scsih_pci_error_detected - Called when a PCI error is detected.
7058 * @pdev: PCI device struct
7059 * @state: PCI channel state
7061 * Description: Called when a PCI error is detected.
7064 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
7066 static pci_ers_result_t
7067 _scsih_pci_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
7069 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7070 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7072 printk(MPT2SAS_INFO_FMT
"PCI error: detected callback, state(%d)!!\n",
7076 case pci_channel_io_normal
:
7077 return PCI_ERS_RESULT_CAN_RECOVER
;
7078 case pci_channel_io_frozen
:
7079 /* Fatal error, prepare for slot reset */
7080 ioc
->pci_error_recovery
= 1;
7081 scsi_block_requests(ioc
->shost
);
7082 mpt2sas_base_stop_watchdog(ioc
);
7083 mpt2sas_base_free_resources(ioc
);
7084 return PCI_ERS_RESULT_NEED_RESET
;
7085 case pci_channel_io_perm_failure
:
7086 /* Permanent error, prepare for device removal */
7087 ioc
->pci_error_recovery
= 1;
7088 mpt2sas_base_stop_watchdog(ioc
);
7089 _scsih_flush_running_cmds(ioc
);
7090 return PCI_ERS_RESULT_DISCONNECT
;
7092 return PCI_ERS_RESULT_NEED_RESET
;
7096 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
7097 * @pdev: PCI device struct
7099 * Description: This routine is called by the pci error recovery
7100 * code after the PCI slot has been reset, just before we
7101 * should resume normal operations.
7103 static pci_ers_result_t
7104 _scsih_pci_slot_reset(struct pci_dev
*pdev
)
7106 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7107 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7110 printk(MPT2SAS_INFO_FMT
"PCI error: slot reset callback!!\n",
7113 ioc
->pci_error_recovery
= 0;
7115 pci_restore_state(pdev
);
7116 rc
= mpt2sas_base_map_resources(ioc
);
7118 return PCI_ERS_RESULT_DISCONNECT
;
7121 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
7124 printk(MPT2SAS_WARN_FMT
"hard reset: %s\n", ioc
->name
,
7125 (rc
== 0) ? "success" : "failed");
7128 return PCI_ERS_RESULT_RECOVERED
;
7130 return PCI_ERS_RESULT_DISCONNECT
;
7134 * _scsih_pci_resume() - resume normal ops after PCI reset
7135 * @pdev: pointer to PCI device
7137 * Called when the error recovery driver tells us that its
7138 * OK to resume normal operation. Use completion to allow
7139 * halted scsi ops to resume.
7142 _scsih_pci_resume(struct pci_dev
*pdev
)
7144 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7145 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7147 printk(MPT2SAS_INFO_FMT
"PCI error: resume callback!!\n", ioc
->name
);
7149 pci_cleanup_aer_uncorrect_error_status(pdev
);
7150 mpt2sas_base_start_watchdog(ioc
);
7151 scsi_unblock_requests(ioc
->shost
);
7155 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
7156 * @pdev: pointer to PCI device
7158 static pci_ers_result_t
7159 _scsih_pci_mmio_enabled(struct pci_dev
*pdev
)
7161 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7162 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7164 printk(MPT2SAS_INFO_FMT
"PCI error: mmio enabled callback!!\n",
7167 /* TODO - dump whatever for debugging purposes */
7169 /* Request a slot reset. */
7170 return PCI_ERS_RESULT_NEED_RESET
;
7173 static struct pci_error_handlers _scsih_err_handler
= {
7174 .error_detected
= _scsih_pci_error_detected
,
7175 .mmio_enabled
= _scsih_pci_mmio_enabled
,
7176 .slot_reset
= _scsih_pci_slot_reset
,
7177 .resume
= _scsih_pci_resume
,
7180 static struct pci_driver scsih_driver
= {
7181 .name
= MPT2SAS_DRIVER_NAME
,
7182 .id_table
= scsih_pci_table
,
7183 .probe
= _scsih_probe
,
7184 .remove
= __devexit_p(_scsih_remove
),
7185 .shutdown
= _scsih_shutdown
,
7186 .err_handler
= &_scsih_err_handler
,
7188 .suspend
= _scsih_suspend
,
7189 .resume
= _scsih_resume
,
7193 /* raid transport support */
7194 static struct raid_function_template mpt2sas_raid_functions
= {
7195 .cookie
= &scsih_driver_template
,
7196 .is_raid
= _scsih_is_raid
,
7197 .get_resync
= _scsih_get_resync
,
7198 .get_state
= _scsih_get_state
,
7202 * _scsih_init - main entry point for this driver.
7204 * Returns 0 success, anything else error.
7212 printk(KERN_INFO
"%s version %s loaded\n", MPT2SAS_DRIVER_NAME
,
7213 MPT2SAS_DRIVER_VERSION
);
7215 mpt2sas_transport_template
=
7216 sas_attach_transport(&mpt2sas_transport_functions
);
7217 if (!mpt2sas_transport_template
)
7219 /* raid transport support */
7220 mpt2sas_raid_template
= raid_class_attach(&mpt2sas_raid_functions
);
7221 if (!mpt2sas_raid_template
) {
7222 sas_release_transport(mpt2sas_transport_template
);
7226 mpt2sas_base_initialize_callback_handler();
7228 /* queuecommand callback hander */
7229 scsi_io_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_io_done
);
7231 /* task management callback handler */
7232 tm_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_tm_done
);
7234 /* base internal commands callback handler */
7235 base_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_base_done
);
7237 /* transport internal commands callback handler */
7238 transport_cb_idx
= mpt2sas_base_register_callback_handler(
7239 mpt2sas_transport_done
);
7241 /* scsih internal commands callback handler */
7242 scsih_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_done
);
7244 /* configuration page API internal commands callback handler */
7245 config_cb_idx
= mpt2sas_base_register_callback_handler(
7246 mpt2sas_config_done
);
7248 /* ctl module callback handler */
7249 ctl_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_ctl_done
);
7251 tm_tr_cb_idx
= mpt2sas_base_register_callback_handler(
7252 _scsih_tm_tr_complete
);
7254 tm_tr_volume_cb_idx
= mpt2sas_base_register_callback_handler(
7255 _scsih_tm_volume_tr_complete
);
7257 tm_sas_control_cb_idx
= mpt2sas_base_register_callback_handler(
7258 _scsih_sas_control_complete
);
7262 error
= pci_register_driver(&scsih_driver
);
7264 /* raid transport support */
7265 raid_class_release(mpt2sas_raid_template
);
7266 sas_release_transport(mpt2sas_transport_template
);
7273 * _scsih_exit - exit point for this driver (when it is a module).
7275 * Returns 0 success, anything else error.
7280 printk(KERN_INFO
"mpt2sas version %s unloading\n",
7281 MPT2SAS_DRIVER_VERSION
);
7283 pci_unregister_driver(&scsih_driver
);
7287 mpt2sas_base_release_callback_handler(scsi_io_cb_idx
);
7288 mpt2sas_base_release_callback_handler(tm_cb_idx
);
7289 mpt2sas_base_release_callback_handler(base_cb_idx
);
7290 mpt2sas_base_release_callback_handler(transport_cb_idx
);
7291 mpt2sas_base_release_callback_handler(scsih_cb_idx
);
7292 mpt2sas_base_release_callback_handler(config_cb_idx
);
7293 mpt2sas_base_release_callback_handler(ctl_cb_idx
);
7295 mpt2sas_base_release_callback_handler(tm_tr_cb_idx
);
7296 mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx
);
7297 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx
);
7299 /* raid transport support */
7300 raid_class_release(mpt2sas_raid_template
);
7301 sas_release_transport(mpt2sas_transport_template
);
7305 module_init(_scsih_init
);
7306 module_exit(_scsih_exit
);