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) 2007-2009 LSI Corporation
6 * (mailto:DL-MPTFusionLinux@lsi.com)
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
20 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
21 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
22 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
23 * solely responsible for determining the appropriateness of using and
24 * distributing the Program and assumes all risks associated with its
25 * exercise of rights under this Agreement, including but not limited to
26 * the risks and costs of program errors, damage to or loss of data,
27 * programs or equipment, and unavailability or interruption of operations.
29 * DISCLAIMER OF LIABILITY
30 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
31 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
33 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
34 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
35 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
36 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
38 * You should have received a copy of the GNU General Public License
39 * along with this program; if not, write to the Free Software
40 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
44 #include <linux/version.h>
45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/blkdev.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/delay.h>
53 #include <linux/pci.h>
54 #include <linux/interrupt.h>
55 #include <linux/raid_class.h>
56 #include <linux/slab.h>
58 #include "mpt2sas_base.h"
60 MODULE_AUTHOR(MPT2SAS_AUTHOR
);
61 MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION
);
62 MODULE_LICENSE("GPL");
63 MODULE_VERSION(MPT2SAS_DRIVER_VERSION
);
65 #define RAID_CHANNEL 1
68 static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
69 struct _sas_node
*sas_expander
);
70 static void _firmware_event_work(struct work_struct
*work
);
72 /* global parameters */
73 LIST_HEAD(mpt2sas_ioc_list
);
75 /* local parameters */
76 static u8 scsi_io_cb_idx
= -1;
77 static u8 tm_cb_idx
= -1;
78 static u8 ctl_cb_idx
= -1;
79 static u8 base_cb_idx
= -1;
80 static u8 transport_cb_idx
= -1;
81 static u8 scsih_cb_idx
= -1;
82 static u8 config_cb_idx
= -1;
85 static u8 tm_tr_cb_idx
= -1 ;
86 static u8 tm_sas_control_cb_idx
= -1;
88 /* command line options */
89 static u32 logging_level
;
90 MODULE_PARM_DESC(logging_level
, " bits for enabling additional logging info "
93 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
94 #define MPT2SAS_MAX_LUN (16895)
95 static int max_lun
= MPT2SAS_MAX_LUN
;
96 module_param(max_lun
, int, 0);
97 MODULE_PARM_DESC(max_lun
, " max lun, default=16895 ");
100 * struct sense_info - common structure for obtaining sense keys
102 * @asc: additional sense code
103 * @ascq: additional sense code qualifier
112 #define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF)
115 * struct fw_event_work - firmware event struct
116 * @list: link list framework
117 * @work: work object (ioc->fault_reset_work_q)
118 * @cancel_pending_work: flag set during reset handling
119 * @ioc: per adapter object
120 * @VF_ID: virtual function id
121 * @VP_ID: virtual port id
122 * @ignore: flag meaning this event has been marked to ignore
123 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
124 * @event_data: reply event data payload follows
126 * This object stored on ioc->fw_event_list.
128 struct fw_event_work
{
129 struct list_head list
;
130 u8 cancel_pending_work
;
131 struct delayed_work delayed_work
;
132 struct MPT2SAS_ADAPTER
*ioc
;
140 /* raid transport support */
141 static struct raid_template
*mpt2sas_raid_template
;
144 * struct _scsi_io_transfer - scsi io transfer
145 * @handle: sas device handle (assigned by firmware)
146 * @is_raid: flag set for hidden raid components
147 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
148 * @data_length: data transfer length
149 * @data_dma: dma pointer to data
152 * @cdb_length: cdb length
154 * @timeout: timeout for this command
155 * @VF_ID: virtual function id
156 * @VP_ID: virtual port id
157 * @valid_reply: flag set for reply message
158 * @sense_length: sense length
159 * @ioc_status: ioc status
160 * @scsi_state: scsi state
161 * @scsi_status: scsi staus
162 * @log_info: log information
163 * @transfer_length: data length transfer when there is a reply message
165 * Used for sending internal scsi commands to devices within this module.
166 * Refer to _scsi_send_scsi_io().
168 struct _scsi_io_transfer
{
171 enum dma_data_direction dir
;
174 u8 sense
[SCSI_SENSE_BUFFERSIZE
];
182 /* the following bits are only valid when 'valid_reply = 1' */
192 * The pci device ids are defined in mpi/mpi2_cnfg.h.
194 static struct pci_device_id scsih_pci_table
[] = {
195 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2004
,
196 PCI_ANY_ID
, PCI_ANY_ID
},
198 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2008
,
199 PCI_ANY_ID
, PCI_ANY_ID
},
200 /* Liberator ~ 2108 */
201 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_1
,
202 PCI_ANY_ID
, PCI_ANY_ID
},
203 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_2
,
204 PCI_ANY_ID
, PCI_ANY_ID
},
205 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_3
,
206 PCI_ANY_ID
, PCI_ANY_ID
},
208 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_1
,
209 PCI_ANY_ID
, PCI_ANY_ID
},
210 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_2
,
211 PCI_ANY_ID
, PCI_ANY_ID
},
212 /* Thunderbolt ~ 2208 */
213 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_1
,
214 PCI_ANY_ID
, PCI_ANY_ID
},
215 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_2
,
216 PCI_ANY_ID
, PCI_ANY_ID
},
217 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_3
,
218 PCI_ANY_ID
, PCI_ANY_ID
},
219 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_4
,
220 PCI_ANY_ID
, PCI_ANY_ID
},
221 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_5
,
222 PCI_ANY_ID
, PCI_ANY_ID
},
223 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_6
,
224 PCI_ANY_ID
, PCI_ANY_ID
},
225 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_7
,
226 PCI_ANY_ID
, PCI_ANY_ID
},
227 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_8
,
228 PCI_ANY_ID
, PCI_ANY_ID
},
229 {0} /* Terminating entry */
231 MODULE_DEVICE_TABLE(pci
, scsih_pci_table
);
234 * _scsih_set_debug_level - global setting of ioc->logging_level.
236 * Note: The logging levels are defined in mpt2sas_debug.h.
239 _scsih_set_debug_level(const char *val
, struct kernel_param
*kp
)
241 int ret
= param_set_int(val
, kp
);
242 struct MPT2SAS_ADAPTER
*ioc
;
247 printk(KERN_INFO
"setting logging_level(0x%08x)\n", logging_level
);
248 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
)
249 ioc
->logging_level
= logging_level
;
252 module_param_call(logging_level
, _scsih_set_debug_level
, param_get_int
,
253 &logging_level
, 0644);
256 * _scsih_srch_boot_sas_address - search based on sas_address
257 * @sas_address: sas address
258 * @boot_device: boot device object from bios page 2
260 * Returns 1 when there's a match, 0 means no match.
263 _scsih_srch_boot_sas_address(u64 sas_address
,
264 Mpi2BootDeviceSasWwid_t
*boot_device
)
266 return (sas_address
== le64_to_cpu(boot_device
->SASAddress
)) ? 1 : 0;
270 * _scsih_srch_boot_device_name - search based on device name
271 * @device_name: device name specified in INDENTIFY fram
272 * @boot_device: boot device object from bios page 2
274 * Returns 1 when there's a match, 0 means no match.
277 _scsih_srch_boot_device_name(u64 device_name
,
278 Mpi2BootDeviceDeviceName_t
*boot_device
)
280 return (device_name
== le64_to_cpu(boot_device
->DeviceName
)) ? 1 : 0;
284 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
285 * @enclosure_logical_id: enclosure logical id
286 * @slot_number: slot number
287 * @boot_device: boot device object from bios page 2
289 * Returns 1 when there's a match, 0 means no match.
292 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id
, u16 slot_number
,
293 Mpi2BootDeviceEnclosureSlot_t
*boot_device
)
295 return (enclosure_logical_id
== le64_to_cpu(boot_device
->
296 EnclosureLogicalID
) && slot_number
== le16_to_cpu(boot_device
->
297 SlotNumber
)) ? 1 : 0;
301 * _scsih_is_boot_device - search for matching boot device.
302 * @sas_address: sas address
303 * @device_name: device name specified in INDENTIFY fram
304 * @enclosure_logical_id: enclosure logical id
305 * @slot_number: slot number
306 * @form: specifies boot device form
307 * @boot_device: boot device object from bios page 2
309 * Returns 1 when there's a match, 0 means no match.
312 _scsih_is_boot_device(u64 sas_address
, u64 device_name
,
313 u64 enclosure_logical_id
, u16 slot
, u8 form
,
314 Mpi2BiosPage2BootDevice_t
*boot_device
)
319 case MPI2_BIOSPAGE2_FORM_SAS_WWID
:
322 rc
= _scsih_srch_boot_sas_address(
323 sas_address
, &boot_device
->SasWwid
);
325 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT
:
326 if (!enclosure_logical_id
)
328 rc
= _scsih_srch_boot_encl_slot(
329 enclosure_logical_id
,
330 slot
, &boot_device
->EnclosureSlot
);
332 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME
:
335 rc
= _scsih_srch_boot_device_name(
336 device_name
, &boot_device
->DeviceName
);
338 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
:
346 * _scsih_get_sas_address - set the sas_address for given device handle
347 * @handle: device handle
348 * @sas_address: sas address
350 * Returns 0 success, non-zero when failure
353 _scsih_get_sas_address(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
,
356 Mpi2SasDevicePage0_t sas_device_pg0
;
357 Mpi2ConfigReply_t mpi_reply
;
360 if (handle
<= ioc
->sas_hba
.num_phys
) {
361 *sas_address
= ioc
->sas_hba
.sas_address
;
366 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
367 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
368 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
369 ioc
->name
, __FILE__
, __LINE__
, __func__
);
373 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
375 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
376 printk(MPT2SAS_ERR_FMT
"handle(0x%04x), ioc_status(0x%04x)"
377 "\nfailure at %s:%d/%s()!\n", ioc
->name
, handle
, ioc_status
,
378 __FILE__
, __LINE__
, __func__
);
382 *sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
387 * _scsih_determine_boot_device - determine boot device.
388 * @ioc: per adapter object
389 * @device: either sas_device or raid_device object
390 * @is_raid: [flag] 1 = raid object, 0 = sas object
392 * Determines whether this device should be first reported device to
393 * to scsi-ml or sas transport, this purpose is for persistant boot device.
394 * There are primary, alternate, and current entries in bios page 2. The order
395 * priority is primary, alternate, then current. This routine saves
396 * the corresponding device object and is_raid flag in the ioc object.
397 * The saved data to be used later in _scsih_probe_boot_devices().
400 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER
*ioc
,
401 void *device
, u8 is_raid
)
403 struct _sas_device
*sas_device
;
404 struct _raid_device
*raid_device
;
407 u64 enclosure_logical_id
;
410 /* only process this function when driver loads */
411 if (!ioc
->wait_for_port_enable_to_complete
)
416 sas_address
= sas_device
->sas_address
;
417 device_name
= sas_device
->device_name
;
418 enclosure_logical_id
= sas_device
->enclosure_logical_id
;
419 slot
= sas_device
->slot
;
421 raid_device
= device
;
422 sas_address
= raid_device
->wwid
;
424 enclosure_logical_id
= 0;
428 if (!ioc
->req_boot_device
.device
) {
429 if (_scsih_is_boot_device(sas_address
, device_name
,
430 enclosure_logical_id
, slot
,
431 (ioc
->bios_pg2
.ReqBootDeviceForm
&
432 MPI2_BIOSPAGE2_FORM_MASK
),
433 &ioc
->bios_pg2
.RequestedBootDevice
)) {
434 dinitprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
435 "%s: req_boot_device(0x%016llx)\n",
437 (unsigned long long)sas_address
));
438 ioc
->req_boot_device
.device
= device
;
439 ioc
->req_boot_device
.is_raid
= is_raid
;
443 if (!ioc
->req_alt_boot_device
.device
) {
444 if (_scsih_is_boot_device(sas_address
, device_name
,
445 enclosure_logical_id
, slot
,
446 (ioc
->bios_pg2
.ReqAltBootDeviceForm
&
447 MPI2_BIOSPAGE2_FORM_MASK
),
448 &ioc
->bios_pg2
.RequestedAltBootDevice
)) {
449 dinitprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
450 "%s: req_alt_boot_device(0x%016llx)\n",
452 (unsigned long long)sas_address
));
453 ioc
->req_alt_boot_device
.device
= device
;
454 ioc
->req_alt_boot_device
.is_raid
= is_raid
;
458 if (!ioc
->current_boot_device
.device
) {
459 if (_scsih_is_boot_device(sas_address
, device_name
,
460 enclosure_logical_id
, slot
,
461 (ioc
->bios_pg2
.CurrentBootDeviceForm
&
462 MPI2_BIOSPAGE2_FORM_MASK
),
463 &ioc
->bios_pg2
.CurrentBootDevice
)) {
464 dinitprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
465 "%s: current_boot_device(0x%016llx)\n",
467 (unsigned long long)sas_address
));
468 ioc
->current_boot_device
.device
= device
;
469 ioc
->current_boot_device
.is_raid
= is_raid
;
475 * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
476 * @ioc: per adapter object
477 * @sas_address: sas address
478 * Context: Calling function should acquire ioc->sas_device_lock
480 * This searches for sas_device based on sas_address, then return sas_device
484 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
487 struct _sas_device
*sas_device
;
489 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
490 if (sas_device
->sas_address
== sas_address
)
493 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
494 if (sas_device
->sas_address
== sas_address
)
501 * _scsih_sas_device_find_by_handle - sas device search
502 * @ioc: per adapter object
503 * @handle: sas device handle (assigned by firmware)
504 * Context: Calling function should acquire ioc->sas_device_lock
506 * This searches for sas_device based on sas_address, then return sas_device
509 static struct _sas_device
*
510 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
512 struct _sas_device
*sas_device
;
514 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
515 if (sas_device
->handle
== handle
)
518 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
519 if (sas_device
->handle
== handle
)
526 * _scsih_sas_device_remove - remove sas_device from list.
527 * @ioc: per adapter object
528 * @sas_device: the sas_device object
529 * Context: This function will acquire ioc->sas_device_lock.
531 * Removing object and freeing associated memory from the ioc->sas_device_list.
534 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
535 struct _sas_device
*sas_device
)
539 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
540 list_del(&sas_device
->list
);
541 memset(sas_device
, 0, sizeof(struct _sas_device
));
543 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
547 * _scsih_sas_device_add - insert sas_device to the list.
548 * @ioc: per adapter object
549 * @sas_device: the sas_device object
550 * Context: This function will acquire ioc->sas_device_lock.
552 * Adding new object to the ioc->sas_device_list.
555 _scsih_sas_device_add(struct MPT2SAS_ADAPTER
*ioc
,
556 struct _sas_device
*sas_device
)
560 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: handle"
561 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
562 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
564 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
565 list_add_tail(&sas_device
->list
, &ioc
->sas_device_list
);
566 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
568 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
569 sas_device
->sas_address_parent
))
570 _scsih_sas_device_remove(ioc
, sas_device
);
574 * _scsih_sas_device_init_add - insert sas_device to the list.
575 * @ioc: per adapter object
576 * @sas_device: the sas_device object
577 * Context: This function will acquire ioc->sas_device_lock.
579 * Adding new object at driver load time to the ioc->sas_device_init_list.
582 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER
*ioc
,
583 struct _sas_device
*sas_device
)
587 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: handle"
588 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
589 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
591 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
592 list_add_tail(&sas_device
->list
, &ioc
->sas_device_init_list
);
593 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
594 _scsih_determine_boot_device(ioc
, sas_device
, 0);
598 * _scsih_raid_device_find_by_id - raid device search
599 * @ioc: per adapter object
600 * @id: sas device target id
601 * @channel: sas device channel
602 * Context: Calling function should acquire ioc->raid_device_lock
604 * This searches for raid_device based on target id, then return raid_device
607 static struct _raid_device
*
608 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER
*ioc
, int id
, int channel
)
610 struct _raid_device
*raid_device
, *r
;
613 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
614 if (raid_device
->id
== id
&& raid_device
->channel
== channel
) {
625 * _scsih_raid_device_find_by_handle - raid device search
626 * @ioc: per adapter object
627 * @handle: sas device handle (assigned by firmware)
628 * Context: Calling function should acquire ioc->raid_device_lock
630 * This searches for raid_device based on handle, then return raid_device
633 static struct _raid_device
*
634 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
636 struct _raid_device
*raid_device
, *r
;
639 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
640 if (raid_device
->handle
!= handle
)
651 * _scsih_raid_device_find_by_wwid - raid device search
652 * @ioc: per adapter object
653 * @handle: sas device handle (assigned by firmware)
654 * Context: Calling function should acquire ioc->raid_device_lock
656 * This searches for raid_device based on wwid, then return raid_device
659 static struct _raid_device
*
660 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
)
662 struct _raid_device
*raid_device
, *r
;
665 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
666 if (raid_device
->wwid
!= wwid
)
677 * _scsih_raid_device_add - add raid_device object
678 * @ioc: per adapter object
679 * @raid_device: raid_device object
681 * This is added to the raid_device_list link list.
684 _scsih_raid_device_add(struct MPT2SAS_ADAPTER
*ioc
,
685 struct _raid_device
*raid_device
)
689 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: handle"
690 "(0x%04x), wwid(0x%016llx)\n", ioc
->name
, __func__
,
691 raid_device
->handle
, (unsigned long long)raid_device
->wwid
));
693 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
694 list_add_tail(&raid_device
->list
, &ioc
->raid_device_list
);
695 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
699 * _scsih_raid_device_remove - delete raid_device object
700 * @ioc: per adapter object
701 * @raid_device: raid_device object
703 * This is removed from the raid_device_list link list.
706 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
707 struct _raid_device
*raid_device
)
711 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
712 list_del(&raid_device
->list
);
713 memset(raid_device
, 0, sizeof(struct _raid_device
));
715 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
719 * mpt2sas_scsih_expander_find_by_handle - expander device search
720 * @ioc: per adapter object
721 * @handle: expander handle (assigned by firmware)
722 * Context: Calling function should acquire ioc->sas_device_lock
724 * This searches for expander device based on handle, then returns the
728 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
730 struct _sas_node
*sas_expander
, *r
;
733 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
734 if (sas_expander
->handle
!= handle
)
744 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
745 * @ioc: per adapter object
746 * @sas_address: sas address
747 * Context: Calling function should acquire ioc->sas_node_lock.
749 * This searches for expander device based on sas_address, then returns the
753 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
756 struct _sas_node
*sas_expander
, *r
;
759 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
760 if (sas_expander
->sas_address
!= sas_address
)
770 * _scsih_expander_node_add - insert expander device to the list.
771 * @ioc: per adapter object
772 * @sas_expander: the sas_device object
773 * Context: This function will acquire ioc->sas_node_lock.
775 * Adding new object to the ioc->sas_expander_list.
780 _scsih_expander_node_add(struct MPT2SAS_ADAPTER
*ioc
,
781 struct _sas_node
*sas_expander
)
785 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
786 list_add_tail(&sas_expander
->list
, &ioc
->sas_expander_list
);
787 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
791 * _scsih_is_end_device - determines if device is an end device
792 * @device_info: bitfield providing information about the device.
795 * Returns 1 if end device.
798 _scsih_is_end_device(u32 device_info
)
800 if (device_info
& MPI2_SAS_DEVICE_INFO_END_DEVICE
&&
801 ((device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) |
802 (device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
) |
803 (device_info
& MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)))
810 * mptscsih_get_scsi_lookup - returns scmd entry
811 * @ioc: per adapter object
812 * @smid: system request message index
814 * Returns the smid stored scmd pointer.
816 static struct scsi_cmnd
*
817 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
819 return ioc
->scsi_lookup
[smid
- 1].scmd
;
823 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
824 * @ioc: per adapter object
825 * @smid: system request message index
826 * @scmd: pointer to scsi command object
827 * Context: This function will acquire ioc->scsi_lookup_lock.
829 * This will search for a scmd pointer in the scsi_lookup array,
830 * returning the revelent smid. A returned value of zero means invalid.
833 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
840 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
842 for (i
= 0; i
< ioc
->scsiio_depth
; i
++) {
843 if (ioc
->scsi_lookup
[i
].scmd
== scmd
) {
844 smid
= ioc
->scsi_lookup
[i
].smid
;
849 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
854 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
855 * @ioc: per adapter object
858 * Context: This function will acquire ioc->scsi_lookup_lock.
860 * This will search for a matching channel:id in the scsi_lookup array,
861 * returning 1 if found.
864 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER
*ioc
, int id
,
871 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
873 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
874 if (ioc
->scsi_lookup
[i
].scmd
&&
875 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
876 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
)) {
882 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
887 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
888 * @ioc: per adapter object
892 * Context: This function will acquire ioc->scsi_lookup_lock.
894 * This will search for a matching channel:id:lun in the scsi_lookup array,
895 * returning 1 if found.
898 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER
*ioc
, int id
,
899 unsigned int lun
, int channel
)
905 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
907 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
908 if (ioc
->scsi_lookup
[i
].scmd
&&
909 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
910 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
&&
911 ioc
->scsi_lookup
[i
].scmd
->device
->lun
== lun
)) {
917 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
922 * _scsih_get_chain_buffer_dma - obtain block of chains (dma address)
923 * @ioc: per adapter object
924 * @smid: system request message index
926 * Returns phys pointer to chain buffer.
929 _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
931 return ioc
->chain_dma
+ ((smid
- 1) * (ioc
->request_sz
*
932 ioc
->chains_needed_per_io
));
936 * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request
937 * @ioc: per adapter object
938 * @smid: system request message index
940 * Returns virt pointer to chain buffer.
943 _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
945 return (void *)(ioc
->chain
+ ((smid
- 1) * (ioc
->request_sz
*
946 ioc
->chains_needed_per_io
)));
950 * _scsih_build_scatter_gather - main sg creation routine
951 * @ioc: per adapter object
952 * @scmd: scsi command
953 * @smid: system request message index
956 * The main routine that builds scatter gather table from a given
957 * scsi request sent via the .queuecommand main handler.
959 * Returns 0 success, anything else error
962 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER
*ioc
,
963 struct scsi_cmnd
*scmd
, u16 smid
)
965 Mpi2SCSIIORequest_t
*mpi_request
;
966 dma_addr_t chain_dma
;
967 struct scatterlist
*sg_scmd
;
968 void *sg_local
, *chain
;
975 u32 sgl_flags_last_element
;
976 u32 sgl_flags_end_buffer
;
978 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
980 /* init scatter gather flags */
981 sgl_flags
= MPI2_SGE_FLAGS_SIMPLE_ELEMENT
;
982 if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
983 sgl_flags
|= MPI2_SGE_FLAGS_HOST_TO_IOC
;
984 sgl_flags_last_element
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
)
985 << MPI2_SGE_FLAGS_SHIFT
;
986 sgl_flags_end_buffer
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
|
987 MPI2_SGE_FLAGS_END_OF_BUFFER
| MPI2_SGE_FLAGS_END_OF_LIST
)
988 << MPI2_SGE_FLAGS_SHIFT
;
989 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
991 sg_scmd
= scsi_sglist(scmd
);
992 sges_left
= scsi_dma_map(scmd
);
994 sdev_printk(KERN_ERR
, scmd
->device
, "pci_map_sg"
995 " failed: request for %d bytes!\n", scsi_bufflen(scmd
));
999 sg_local
= &mpi_request
->SGL
;
1000 sges_in_segment
= ioc
->max_sges_in_main_message
;
1001 if (sges_left
<= sges_in_segment
)
1002 goto fill_in_last_segment
;
1004 mpi_request
->ChainOffset
= (offsetof(Mpi2SCSIIORequest_t
, SGL
) +
1005 (sges_in_segment
* ioc
->sge_size
))/4;
1007 /* fill in main message segment when there is a chain following */
1008 while (sges_in_segment
) {
1009 if (sges_in_segment
== 1)
1010 ioc
->base_add_sg_single(sg_local
,
1011 sgl_flags_last_element
| sg_dma_len(sg_scmd
),
1012 sg_dma_address(sg_scmd
));
1014 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1015 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1016 sg_scmd
= sg_next(sg_scmd
);
1017 sg_local
+= ioc
->sge_size
;
1022 /* initializing the chain flags and pointers */
1023 chain_flags
= MPI2_SGE_FLAGS_CHAIN_ELEMENT
<< MPI2_SGE_FLAGS_SHIFT
;
1024 chain
= _scsih_get_chain_buffer(ioc
, smid
);
1025 chain_dma
= _scsih_get_chain_buffer_dma(ioc
, smid
);
1027 sges_in_segment
= (sges_left
<=
1028 ioc
->max_sges_in_chain_message
) ? sges_left
:
1029 ioc
->max_sges_in_chain_message
;
1030 chain_offset
= (sges_left
== sges_in_segment
) ?
1031 0 : (sges_in_segment
* ioc
->sge_size
)/4;
1032 chain_length
= sges_in_segment
* ioc
->sge_size
;
1034 chain_offset
= chain_offset
<<
1035 MPI2_SGE_CHAIN_OFFSET_SHIFT
;
1036 chain_length
+= ioc
->sge_size
;
1038 ioc
->base_add_sg_single(sg_local
, chain_flags
| chain_offset
|
1039 chain_length
, chain_dma
);
1042 goto fill_in_last_segment
;
1044 /* fill in chain segments */
1045 while (sges_in_segment
) {
1046 if (sges_in_segment
== 1)
1047 ioc
->base_add_sg_single(sg_local
,
1048 sgl_flags_last_element
|
1049 sg_dma_len(sg_scmd
),
1050 sg_dma_address(sg_scmd
));
1052 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1053 sg_dma_len(sg_scmd
),
1054 sg_dma_address(sg_scmd
));
1055 sg_scmd
= sg_next(sg_scmd
);
1056 sg_local
+= ioc
->sge_size
;
1061 chain_dma
+= ioc
->request_sz
;
1062 chain
+= ioc
->request_sz
;
1066 fill_in_last_segment
:
1068 /* fill the last segment */
1071 ioc
->base_add_sg_single(sg_local
, sgl_flags_end_buffer
|
1072 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1074 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1075 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1076 sg_scmd
= sg_next(sg_scmd
);
1077 sg_local
+= ioc
->sge_size
;
1085 * _scsih_change_queue_depth - setting device queue depth
1086 * @sdev: scsi device struct
1087 * @qdepth: requested queue depth
1088 * @reason: calling context
1090 * Returns queue depth.
1093 _scsih_change_queue_depth(struct scsi_device
*sdev
, int qdepth
, int reason
)
1095 struct Scsi_Host
*shost
= sdev
->host
;
1098 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1099 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1100 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1101 struct _sas_device
*sas_device
;
1102 unsigned long flags
;
1104 if (reason
!= SCSI_QDEPTH_DEFAULT
)
1107 max_depth
= shost
->can_queue
;
1109 /* limit max device queue for SATA to 32 */
1110 sas_device_priv_data
= sdev
->hostdata
;
1111 if (!sas_device_priv_data
)
1113 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1114 if (!sas_target_priv_data
)
1116 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))
1118 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1119 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1120 sas_device_priv_data
->sas_target
->sas_address
);
1121 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1122 if (sas_device
&& sas_device
->device_info
&
1123 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1124 max_depth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1128 if (!sdev
->tagged_supported
)
1130 if (qdepth
> max_depth
)
1132 tag_type
= (qdepth
== 1) ? 0 : MSG_SIMPLE_TAG
;
1133 scsi_adjust_queue_depth(sdev
, tag_type
, qdepth
);
1135 if (sdev
->inquiry_len
> 7)
1136 sdev_printk(KERN_INFO
, sdev
, "qdepth(%d), tagged(%d), "
1137 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1138 sdev
->queue_depth
, sdev
->tagged_supported
, sdev
->simple_tags
,
1139 sdev
->ordered_tags
, sdev
->scsi_level
,
1140 (sdev
->inquiry
[7] & 2) >> 1);
1142 return sdev
->queue_depth
;
1146 * _scsih_change_queue_type - changing device queue tag type
1147 * @sdev: scsi device struct
1148 * @tag_type: requested tag type
1150 * Returns queue tag type.
1153 _scsih_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1155 if (sdev
->tagged_supported
) {
1156 scsi_set_tag_type(sdev
, tag_type
);
1158 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1160 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1168 * _scsih_target_alloc - target add routine
1169 * @starget: scsi target struct
1171 * Returns 0 if ok. Any other return is assumed to be an error and
1172 * the device is ignored.
1175 _scsih_target_alloc(struct scsi_target
*starget
)
1177 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1178 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1179 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1180 struct _sas_device
*sas_device
;
1181 struct _raid_device
*raid_device
;
1182 unsigned long flags
;
1183 struct sas_rphy
*rphy
;
1185 sas_target_priv_data
= kzalloc(sizeof(struct scsi_target
), GFP_KERNEL
);
1186 if (!sas_target_priv_data
)
1189 starget
->hostdata
= sas_target_priv_data
;
1190 sas_target_priv_data
->starget
= starget
;
1191 sas_target_priv_data
->handle
= MPT2SAS_INVALID_DEVICE_HANDLE
;
1194 if (starget
->channel
== RAID_CHANNEL
) {
1195 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1196 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1199 sas_target_priv_data
->handle
= raid_device
->handle
;
1200 sas_target_priv_data
->sas_address
= raid_device
->wwid
;
1201 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_VOLUME
;
1202 raid_device
->starget
= starget
;
1204 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1208 /* sas/sata devices */
1209 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1210 rphy
= dev_to_rphy(starget
->dev
.parent
);
1211 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1212 rphy
->identify
.sas_address
);
1215 sas_target_priv_data
->handle
= sas_device
->handle
;
1216 sas_target_priv_data
->sas_address
= sas_device
->sas_address
;
1217 sas_device
->starget
= starget
;
1218 sas_device
->id
= starget
->id
;
1219 sas_device
->channel
= starget
->channel
;
1220 if (sas_device
->hidden_raid_component
)
1221 sas_target_priv_data
->flags
|=
1222 MPT_TARGET_FLAGS_RAID_COMPONENT
;
1224 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1230 * _scsih_target_destroy - target destroy routine
1231 * @starget: scsi target struct
1236 _scsih_target_destroy(struct scsi_target
*starget
)
1238 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1239 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1240 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1241 struct _sas_device
*sas_device
;
1242 struct _raid_device
*raid_device
;
1243 unsigned long flags
;
1244 struct sas_rphy
*rphy
;
1246 sas_target_priv_data
= starget
->hostdata
;
1247 if (!sas_target_priv_data
)
1250 if (starget
->channel
== RAID_CHANNEL
) {
1251 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1252 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1255 raid_device
->starget
= NULL
;
1256 raid_device
->sdev
= NULL
;
1258 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1262 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1263 rphy
= dev_to_rphy(starget
->dev
.parent
);
1264 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1265 rphy
->identify
.sas_address
);
1266 if (sas_device
&& (sas_device
->starget
== starget
) &&
1267 (sas_device
->id
== starget
->id
) &&
1268 (sas_device
->channel
== starget
->channel
))
1269 sas_device
->starget
= NULL
;
1271 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1274 kfree(sas_target_priv_data
);
1275 starget
->hostdata
= NULL
;
1279 * _scsih_slave_alloc - device add routine
1280 * @sdev: scsi device struct
1282 * Returns 0 if ok. Any other return is assumed to be an error and
1283 * the device is ignored.
1286 _scsih_slave_alloc(struct scsi_device
*sdev
)
1288 struct Scsi_Host
*shost
;
1289 struct MPT2SAS_ADAPTER
*ioc
;
1290 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1291 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1292 struct scsi_target
*starget
;
1293 struct _raid_device
*raid_device
;
1294 unsigned long flags
;
1296 sas_device_priv_data
= kzalloc(sizeof(struct scsi_device
), GFP_KERNEL
);
1297 if (!sas_device_priv_data
)
1300 sas_device_priv_data
->lun
= sdev
->lun
;
1301 sas_device_priv_data
->flags
= MPT_DEVICE_FLAGS_INIT
;
1303 starget
= scsi_target(sdev
);
1304 sas_target_priv_data
= starget
->hostdata
;
1305 sas_target_priv_data
->num_luns
++;
1306 sas_device_priv_data
->sas_target
= sas_target_priv_data
;
1307 sdev
->hostdata
= sas_device_priv_data
;
1308 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
))
1309 sdev
->no_uld_attach
= 1;
1311 shost
= dev_to_shost(&starget
->dev
);
1312 ioc
= shost_priv(shost
);
1313 if (starget
->channel
== RAID_CHANNEL
) {
1314 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1315 raid_device
= _scsih_raid_device_find_by_id(ioc
,
1316 starget
->id
, starget
->channel
);
1318 raid_device
->sdev
= sdev
; /* raid is single lun */
1319 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1326 * _scsih_slave_destroy - device destroy routine
1327 * @sdev: scsi device struct
1332 _scsih_slave_destroy(struct scsi_device
*sdev
)
1334 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1335 struct scsi_target
*starget
;
1337 if (!sdev
->hostdata
)
1340 starget
= scsi_target(sdev
);
1341 sas_target_priv_data
= starget
->hostdata
;
1342 sas_target_priv_data
->num_luns
--;
1343 kfree(sdev
->hostdata
);
1344 sdev
->hostdata
= NULL
;
1348 * _scsih_display_sata_capabilities - sata capabilities
1349 * @ioc: per adapter object
1350 * @sas_device: the sas_device object
1351 * @sdev: scsi device struct
1354 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1355 struct _sas_device
*sas_device
, struct scsi_device
*sdev
)
1357 Mpi2ConfigReply_t mpi_reply
;
1358 Mpi2SasDevicePage0_t sas_device_pg0
;
1363 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
1364 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, sas_device
->handle
))) {
1365 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1366 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1370 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1371 MPI2_IOCSTATUS_MASK
;
1372 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1373 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1374 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1378 flags
= le16_to_cpu(sas_device_pg0
.Flags
);
1379 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1381 sdev_printk(KERN_INFO
, sdev
,
1382 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1383 "sw_preserve(%s)\n",
1384 (device_info
& MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE
) ? "y" : "n",
1385 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED
) ? "y" : "n",
1386 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY
) ? "y" :
1388 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED
) ? "y" : "n",
1389 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED
) ? "y" : "n",
1390 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE
) ? "y" : "n");
1394 * _scsih_is_raid - return boolean indicating device is raid volume
1395 * @dev the device struct object
1398 _scsih_is_raid(struct device
*dev
)
1400 struct scsi_device
*sdev
= to_scsi_device(dev
);
1402 return (sdev
->channel
== RAID_CHANNEL
) ? 1 : 0;
1406 * _scsih_get_resync - get raid volume resync percent complete
1407 * @dev the device struct object
1410 _scsih_get_resync(struct device
*dev
)
1412 struct scsi_device
*sdev
= to_scsi_device(dev
);
1413 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1414 static struct _raid_device
*raid_device
;
1415 unsigned long flags
;
1416 Mpi2RaidVolPage0_t vol_pg0
;
1417 Mpi2ConfigReply_t mpi_reply
;
1418 u32 volume_status_flags
;
1419 u8 percent_complete
= 0;
1421 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1422 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1424 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1429 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1430 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
,
1431 sizeof(Mpi2RaidVolPage0_t
))) {
1432 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1433 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1437 volume_status_flags
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1438 if (volume_status_flags
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
)
1439 percent_complete
= raid_device
->percent_complete
;
1441 raid_set_resync(mpt2sas_raid_template
, dev
, percent_complete
);
1445 * _scsih_get_state - get raid volume level
1446 * @dev the device struct object
1449 _scsih_get_state(struct device
*dev
)
1451 struct scsi_device
*sdev
= to_scsi_device(dev
);
1452 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1453 static struct _raid_device
*raid_device
;
1454 unsigned long flags
;
1455 Mpi2RaidVolPage0_t vol_pg0
;
1456 Mpi2ConfigReply_t mpi_reply
;
1458 enum raid_state state
= RAID_STATE_UNKNOWN
;
1460 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1461 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1463 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1468 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1469 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
,
1470 sizeof(Mpi2RaidVolPage0_t
))) {
1471 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1472 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1476 volstate
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1477 if (volstate
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
) {
1478 state
= RAID_STATE_RESYNCING
;
1482 switch (vol_pg0
.VolumeState
) {
1483 case MPI2_RAID_VOL_STATE_OPTIMAL
:
1484 case MPI2_RAID_VOL_STATE_ONLINE
:
1485 state
= RAID_STATE_ACTIVE
;
1487 case MPI2_RAID_VOL_STATE_DEGRADED
:
1488 state
= RAID_STATE_DEGRADED
;
1490 case MPI2_RAID_VOL_STATE_FAILED
:
1491 case MPI2_RAID_VOL_STATE_MISSING
:
1492 state
= RAID_STATE_OFFLINE
;
1496 raid_set_state(mpt2sas_raid_template
, dev
, state
);
1500 * _scsih_set_level - set raid level
1501 * @sdev: scsi device struct
1502 * @raid_device: raid_device object
1505 _scsih_set_level(struct scsi_device
*sdev
, struct _raid_device
*raid_device
)
1507 enum raid_level level
= RAID_LEVEL_UNKNOWN
;
1509 switch (raid_device
->volume_type
) {
1510 case MPI2_RAID_VOL_TYPE_RAID0
:
1511 level
= RAID_LEVEL_0
;
1513 case MPI2_RAID_VOL_TYPE_RAID10
:
1514 level
= RAID_LEVEL_10
;
1516 case MPI2_RAID_VOL_TYPE_RAID1E
:
1517 level
= RAID_LEVEL_1E
;
1519 case MPI2_RAID_VOL_TYPE_RAID1
:
1520 level
= RAID_LEVEL_1
;
1524 raid_set_level(mpt2sas_raid_template
, &sdev
->sdev_gendev
, level
);
1528 * _scsih_get_volume_capabilities - volume capabilities
1529 * @ioc: per adapter object
1530 * @sas_device: the raid_device object
1533 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1534 struct _raid_device
*raid_device
)
1536 Mpi2RaidVolPage0_t
*vol_pg0
;
1537 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1538 Mpi2SasDevicePage0_t sas_device_pg0
;
1539 Mpi2ConfigReply_t mpi_reply
;
1543 if ((mpt2sas_config_get_number_pds(ioc
, raid_device
->handle
,
1544 &num_pds
)) || !num_pds
) {
1545 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1546 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1550 raid_device
->num_pds
= num_pds
;
1551 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1552 sizeof(Mpi2RaidVol0PhysDisk_t
));
1553 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1555 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1556 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1560 if ((mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1561 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1562 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1563 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1568 raid_device
->volume_type
= vol_pg0
->VolumeType
;
1570 /* figure out what the underlying devices are by
1571 * obtaining the device_info bits for the 1st device
1573 if (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1574 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1575 vol_pg0
->PhysDisk
[0].PhysDiskNum
))) {
1576 if (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
1577 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
1578 le16_to_cpu(pd_pg0
.DevHandle
)))) {
1579 raid_device
->device_info
=
1580 le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1588 * _scsih_enable_tlr - setting TLR flags
1589 * @ioc: per adapter object
1590 * @sdev: scsi device struct
1592 * Enabling Transaction Layer Retries for tape devices when
1593 * vpd page 0x90 is present
1597 _scsih_enable_tlr(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_device
*sdev
)
1600 if (sdev
->type
!= TYPE_TAPE
)
1603 if (!(ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_TLR
))
1606 sas_enable_tlr(sdev
);
1607 sdev_printk(KERN_INFO
, sdev
, "TLR %s\n",
1608 sas_is_tlr_enabled(sdev
) ? "Enabled" : "Disabled");
1614 * _scsih_slave_configure - device configure routine.
1615 * @sdev: scsi device struct
1617 * Returns 0 if ok. Any other return is assumed to be an error and
1618 * the device is ignored.
1621 _scsih_slave_configure(struct scsi_device
*sdev
)
1623 struct Scsi_Host
*shost
= sdev
->host
;
1624 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1625 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1626 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1627 struct _sas_device
*sas_device
;
1628 struct _raid_device
*raid_device
;
1629 unsigned long flags
;
1636 sas_device_priv_data
= sdev
->hostdata
;
1637 sas_device_priv_data
->configured_lun
= 1;
1638 sas_device_priv_data
->flags
&= ~MPT_DEVICE_FLAGS_INIT
;
1639 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1641 /* raid volume handling */
1642 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
1644 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1645 raid_device
= _scsih_raid_device_find_by_handle(ioc
,
1646 sas_target_priv_data
->handle
);
1647 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1649 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1650 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1654 _scsih_get_volume_capabilities(ioc
, raid_device
);
1656 /* RAID Queue Depth Support
1657 * IS volume = underlying qdepth of drive type, either
1658 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
1659 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
1661 if (raid_device
->device_info
&
1662 MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
1663 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
1666 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1667 if (raid_device
->device_info
&
1668 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1674 switch (raid_device
->volume_type
) {
1675 case MPI2_RAID_VOL_TYPE_RAID0
:
1678 case MPI2_RAID_VOL_TYPE_RAID1E
:
1679 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
1680 if (ioc
->manu_pg10
.OEMIdentifier
&&
1681 (ioc
->manu_pg10
.GenericFlags0
&
1682 MFG10_GF0_R10_DISPLAY
) &&
1683 !(raid_device
->num_pds
% 2))
1688 case MPI2_RAID_VOL_TYPE_RAID1
:
1689 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
1692 case MPI2_RAID_VOL_TYPE_RAID10
:
1693 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
1696 case MPI2_RAID_VOL_TYPE_UNKNOWN
:
1698 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
1703 sdev_printk(KERN_INFO
, sdev
, "%s: "
1704 "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n",
1705 r_level
, raid_device
->handle
,
1706 (unsigned long long)raid_device
->wwid
,
1707 raid_device
->num_pds
, ds
);
1708 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
1709 /* raid transport support */
1710 _scsih_set_level(sdev
, raid_device
);
1714 /* non-raid handling */
1715 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1716 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1717 sas_device_priv_data
->sas_target
->sas_address
);
1718 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1720 if (sas_target_priv_data
->flags
&
1721 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
1722 mpt2sas_config_get_volume_handle(ioc
,
1723 sas_device
->handle
, &sas_device
->volume_handle
);
1724 mpt2sas_config_get_volume_wwid(ioc
,
1725 sas_device
->volume_handle
,
1726 &sas_device
->volume_wwid
);
1728 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
1729 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
1733 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1734 if (sas_device
->device_info
&
1735 MPI2_SAS_DEVICE_INFO_STP_TARGET
)
1737 else if (sas_device
->device_info
&
1738 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1742 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), "
1743 "sas_addr(0x%016llx), device_name(0x%016llx)\n",
1744 ds
, sas_device
->handle
,
1745 (unsigned long long)sas_device
->sas_address
,
1746 (unsigned long long)sas_device
->device_name
);
1747 sdev_printk(KERN_INFO
, sdev
, "%s: "
1748 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds
,
1749 (unsigned long long) sas_device
->enclosure_logical_id
,
1753 _scsih_display_sata_capabilities(ioc
, sas_device
, sdev
);
1756 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
1759 sas_read_port_mode_page(sdev
);
1760 _scsih_enable_tlr(ioc
, sdev
);
1766 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
1767 * @sdev: scsi device struct
1768 * @bdev: pointer to block device context
1769 * @capacity: device size (in 512 byte sectors)
1770 * @params: three element array to place output:
1771 * params[0] number of heads (max 255)
1772 * params[1] number of sectors (max 63)
1773 * params[2] number of cylinders
1778 _scsih_bios_param(struct scsi_device
*sdev
, struct block_device
*bdev
,
1779 sector_t capacity
, int params
[])
1789 dummy
= heads
* sectors
;
1790 cylinders
= capacity
;
1791 sector_div(cylinders
, dummy
);
1794 * Handle extended translation size for logical drives
1797 if ((ulong
)capacity
>= 0x200000) {
1800 dummy
= heads
* sectors
;
1801 cylinders
= capacity
;
1802 sector_div(cylinders
, dummy
);
1807 params
[1] = sectors
;
1808 params
[2] = cylinders
;
1814 * _scsih_response_code - translation of device response code
1815 * @ioc: per adapter object
1816 * @response_code: response code returned by the device
1821 _scsih_response_code(struct MPT2SAS_ADAPTER
*ioc
, u8 response_code
)
1825 switch (response_code
) {
1826 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE
:
1827 desc
= "task management request completed";
1829 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
:
1830 desc
= "invalid frame";
1832 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED
:
1833 desc
= "task management request not supported";
1835 case MPI2_SCSITASKMGMT_RSP_TM_FAILED
:
1836 desc
= "task management request failed";
1838 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
:
1839 desc
= "task management request succeeded";
1841 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN
:
1842 desc
= "invalid lun";
1845 desc
= "overlapped tag attempted";
1847 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
:
1848 desc
= "task queued, however not sent to target";
1854 printk(MPT2SAS_WARN_FMT
"response_code(0x%01x): %s\n",
1855 ioc
->name
, response_code
, desc
);
1859 * _scsih_tm_done - tm completion routine
1860 * @ioc: per adapter object
1861 * @smid: system request message index
1862 * @msix_index: MSIX table index supplied by the OS
1863 * @reply: reply message frame(lower 32bit addr)
1866 * The callback handler when using scsih_issue_tm.
1868 * Return 1 meaning mf should be freed from _base_interrupt
1869 * 0 means the mf is freed from this function.
1872 _scsih_tm_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
1874 MPI2DefaultReply_t
*mpi_reply
;
1876 if (ioc
->tm_cmds
.status
== MPT2_CMD_NOT_USED
)
1878 if (ioc
->tm_cmds
.smid
!= smid
)
1880 ioc
->tm_cmds
.status
|= MPT2_CMD_COMPLETE
;
1881 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
1883 memcpy(ioc
->tm_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
1884 ioc
->tm_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
1886 ioc
->tm_cmds
.status
&= ~MPT2_CMD_PENDING
;
1887 complete(&ioc
->tm_cmds
.done
);
1892 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
1893 * @ioc: per adapter object
1894 * @handle: device handle
1896 * During taskmangement request, we need to freeze the device queue.
1899 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
1901 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1902 struct scsi_device
*sdev
;
1905 shost_for_each_device(sdev
, ioc
->shost
) {
1908 sas_device_priv_data
= sdev
->hostdata
;
1909 if (!sas_device_priv_data
)
1911 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
1912 sas_device_priv_data
->sas_target
->tm_busy
= 1;
1914 ioc
->ignore_loginfos
= 1;
1920 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
1921 * @ioc: per adapter object
1922 * @handle: device handle
1924 * During taskmangement request, we need to freeze the device queue.
1927 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
1929 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1930 struct scsi_device
*sdev
;
1933 shost_for_each_device(sdev
, ioc
->shost
) {
1936 sas_device_priv_data
= sdev
->hostdata
;
1937 if (!sas_device_priv_data
)
1939 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
1940 sas_device_priv_data
->sas_target
->tm_busy
= 0;
1942 ioc
->ignore_loginfos
= 0;
1948 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
1949 * @ioc: per adapter struct
1950 * @device_handle: device handle
1952 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
1953 * @smid_task: smid assigned to the task
1954 * @timeout: timeout in seconds
1955 * Context: The calling function needs to acquire the tm_cmds.mutex
1957 * A generic API for sending task management requests to firmware.
1959 * The ioc->tm_cmds.status flag should be MPT2_CMD_NOT_USED before calling
1962 * The callback index is set inside `ioc->tm_cb_idx`.
1967 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, uint lun
,
1968 u8 type
, u16 smid_task
, ulong timeout
)
1970 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
1971 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
1974 unsigned long timeleft
;
1976 if (ioc
->tm_cmds
.status
!= MPT2_CMD_NOT_USED
) {
1977 printk(MPT2SAS_INFO_FMT
"%s: tm_cmd busy!!!\n",
1978 __func__
, ioc
->name
);
1982 if (ioc
->shost_recovery
|| ioc
->remove_host
) {
1983 printk(MPT2SAS_INFO_FMT
"%s: host reset in progress!\n",
1984 __func__
, ioc
->name
);
1988 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 0);
1989 if (ioc_state
& MPI2_DOORBELL_USED
) {
1990 dhsprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"unexpected doorbell "
1991 "active!\n", ioc
->name
));
1992 goto issue_host_reset
;
1995 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
1996 mpt2sas_base_fault_info(ioc
, ioc_state
&
1997 MPI2_DOORBELL_DATA_MASK
);
1998 goto issue_host_reset
;
2001 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_cb_idx
);
2003 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2004 ioc
->name
, __func__
);
2008 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sending tm: handle(0x%04x),"
2009 " task_type(0x%02x), smid(%d)\n", ioc
->name
, handle
, type
,
2011 ioc
->tm_cmds
.status
= MPT2_CMD_PENDING
;
2012 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2013 ioc
->tm_cmds
.smid
= smid
;
2014 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2015 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2016 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2017 mpi_request
->TaskType
= type
;
2018 mpi_request
->TaskMID
= cpu_to_le16(smid_task
);
2019 mpi_request
->VP_ID
= 0; /* TODO */
2020 mpi_request
->VF_ID
= 0;
2021 int_to_scsilun(lun
, (struct scsi_lun
*)mpi_request
->LUN
);
2022 mpt2sas_scsih_set_tm_flag(ioc
, handle
);
2023 init_completion(&ioc
->tm_cmds
.done
);
2024 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
2025 timeleft
= wait_for_completion_timeout(&ioc
->tm_cmds
.done
, timeout
*HZ
);
2026 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2027 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_COMPLETE
)) {
2028 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
2029 ioc
->name
, __func__
);
2030 _debug_dump_mf(mpi_request
,
2031 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2032 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_RESET
))
2033 goto issue_host_reset
;
2036 if (ioc
->tm_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
2037 mpi_reply
= ioc
->tm_cmds
.reply
;
2038 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"complete tm: "
2039 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2040 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
2041 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2042 le32_to_cpu(mpi_reply
->TerminationCount
)));
2043 if (ioc
->logging_level
& MPT_DEBUG_TM
)
2044 _scsih_response_code(ioc
, mpi_reply
->ResponseCode
);
2048 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
, FORCE_BIG_HAMMER
);
2052 * _scsih_abort - eh threads main abort routine
2053 * @sdev: scsi device struct
2055 * Returns SUCCESS if command aborted else FAILED
2058 _scsih_abort(struct scsi_cmnd
*scmd
)
2060 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2061 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2065 struct scsi_cmnd
*scmd_lookup
;
2067 printk(MPT2SAS_INFO_FMT
"attempting task abort! scmd(%p)\n",
2069 scsi_print_command(scmd
);
2071 sas_device_priv_data
= scmd
->device
->hostdata
;
2072 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2073 printk(MPT2SAS_INFO_FMT
"device been deleted! scmd(%p)\n",
2075 scmd
->result
= DID_NO_CONNECT
<< 16;
2076 scmd
->scsi_done(scmd
);
2081 /* search for the command */
2082 smid
= _scsih_scsi_lookup_find_by_scmd(ioc
, scmd
);
2084 scmd
->result
= DID_RESET
<< 16;
2089 /* for hidden raid components and volumes this is not supported */
2090 if (sas_device_priv_data
->sas_target
->flags
&
2091 MPT_TARGET_FLAGS_RAID_COMPONENT
||
2092 sas_device_priv_data
->sas_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2093 scmd
->result
= DID_RESET
<< 16;
2098 mpt2sas_halt_firmware(ioc
);
2100 mutex_lock(&ioc
->tm_cmds
.mutex
);
2101 handle
= sas_device_priv_data
->sas_target
->handle
;
2102 mpt2sas_scsih_issue_tm(ioc
, handle
, sas_device_priv_data
->lun
,
2103 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30);
2105 /* sanity check - see whether command actually completed */
2106 scmd_lookup
= _scsih_scsi_lookup_get(ioc
, smid
);
2107 if (scmd_lookup
&& (scmd_lookup
->serial_number
== scmd
->serial_number
))
2111 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2112 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2115 printk(MPT2SAS_INFO_FMT
"task abort: %s scmd(%p)\n",
2116 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2121 * _scsih_dev_reset - eh threads main device reset routine
2122 * @sdev: scsi device struct
2124 * Returns SUCCESS if command aborted else FAILED
2127 _scsih_dev_reset(struct scsi_cmnd
*scmd
)
2129 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2130 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2131 struct _sas_device
*sas_device
;
2132 unsigned long flags
;
2136 printk(MPT2SAS_INFO_FMT
"attempting device reset! scmd(%p)\n",
2138 scsi_print_command(scmd
);
2140 sas_device_priv_data
= scmd
->device
->hostdata
;
2141 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2142 printk(MPT2SAS_INFO_FMT
"device been deleted! scmd(%p)\n",
2144 scmd
->result
= DID_NO_CONNECT
<< 16;
2145 scmd
->scsi_done(scmd
);
2150 /* for hidden raid components obtain the volume_handle */
2152 if (sas_device_priv_data
->sas_target
->flags
&
2153 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2154 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2155 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2156 sas_device_priv_data
->sas_target
->handle
);
2158 handle
= sas_device
->volume_handle
;
2159 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2161 handle
= sas_device_priv_data
->sas_target
->handle
;
2164 scmd
->result
= DID_RESET
<< 16;
2169 mutex_lock(&ioc
->tm_cmds
.mutex
);
2170 mpt2sas_scsih_issue_tm(ioc
, handle
, 0,
2171 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
, scmd
->device
->lun
,
2175 * sanity check see whether all commands to this device been
2178 if (_scsih_scsi_lookup_find_by_lun(ioc
, scmd
->device
->id
,
2179 scmd
->device
->lun
, scmd
->device
->channel
))
2183 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2184 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2187 printk(MPT2SAS_INFO_FMT
"device reset: %s scmd(%p)\n",
2188 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2193 * _scsih_target_reset - eh threads main target reset routine
2194 * @sdev: scsi device struct
2196 * Returns SUCCESS if command aborted else FAILED
2199 _scsih_target_reset(struct scsi_cmnd
*scmd
)
2201 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2202 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2203 struct _sas_device
*sas_device
;
2204 unsigned long flags
;
2208 printk(MPT2SAS_INFO_FMT
"attempting target reset! scmd(%p)\n",
2210 scsi_print_command(scmd
);
2212 sas_device_priv_data
= scmd
->device
->hostdata
;
2213 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2214 printk(MPT2SAS_INFO_FMT
"target been deleted! scmd(%p)\n",
2216 scmd
->result
= DID_NO_CONNECT
<< 16;
2217 scmd
->scsi_done(scmd
);
2222 /* for hidden raid components obtain the volume_handle */
2224 if (sas_device_priv_data
->sas_target
->flags
&
2225 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2226 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2227 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2228 sas_device_priv_data
->sas_target
->handle
);
2230 handle
= sas_device
->volume_handle
;
2231 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2233 handle
= sas_device_priv_data
->sas_target
->handle
;
2236 scmd
->result
= DID_RESET
<< 16;
2241 mutex_lock(&ioc
->tm_cmds
.mutex
);
2242 mpt2sas_scsih_issue_tm(ioc
, handle
, 0,
2243 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0, 30);
2246 * sanity check see whether all commands to this target been
2249 if (_scsih_scsi_lookup_find_by_target(ioc
, scmd
->device
->id
,
2250 scmd
->device
->channel
))
2254 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2255 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2258 printk(MPT2SAS_INFO_FMT
"target reset: %s scmd(%p)\n",
2259 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2264 * _scsih_host_reset - eh threads main host reset routine
2265 * @sdev: scsi device struct
2267 * Returns SUCCESS if command aborted else FAILED
2270 _scsih_host_reset(struct scsi_cmnd
*scmd
)
2272 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2275 printk(MPT2SAS_INFO_FMT
"attempting host reset! scmd(%p)\n",
2277 scsi_print_command(scmd
);
2279 retval
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2281 r
= (retval
< 0) ? FAILED
: SUCCESS
;
2282 printk(MPT2SAS_INFO_FMT
"host reset: %s scmd(%p)\n",
2283 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2289 * _scsih_fw_event_add - insert and queue up fw_event
2290 * @ioc: per adapter object
2291 * @fw_event: object describing the event
2292 * Context: This function will acquire ioc->fw_event_lock.
2294 * This adds the firmware event object into link list, then queues it up to
2295 * be processed from user context.
2300 _scsih_fw_event_add(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
2302 unsigned long flags
;
2304 if (ioc
->firmware_event_thread
== NULL
)
2307 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2308 list_add_tail(&fw_event
->list
, &ioc
->fw_event_list
);
2309 INIT_DELAYED_WORK(&fw_event
->delayed_work
, _firmware_event_work
);
2310 queue_delayed_work(ioc
->firmware_event_thread
,
2311 &fw_event
->delayed_work
, 0);
2312 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2316 * _scsih_fw_event_free - delete fw_event
2317 * @ioc: per adapter object
2318 * @fw_event: object describing the event
2319 * Context: This function will acquire ioc->fw_event_lock.
2321 * This removes firmware event object from link list, frees associated memory.
2326 _scsih_fw_event_free(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
2329 unsigned long flags
;
2331 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2332 list_del(&fw_event
->list
);
2333 kfree(fw_event
->event_data
);
2335 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2340 * _scsih_queue_rescan - queue a topology rescan from user context
2341 * @ioc: per adapter object
2346 _scsih_queue_rescan(struct MPT2SAS_ADAPTER
*ioc
)
2348 struct fw_event_work
*fw_event
;
2350 if (ioc
->wait_for_port_enable_to_complete
)
2352 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2355 fw_event
->event
= MPT2SAS_RESCAN_AFTER_HOST_RESET
;
2356 fw_event
->ioc
= ioc
;
2357 _scsih_fw_event_add(ioc
, fw_event
);
2361 * _scsih_fw_event_cleanup_queue - cleanup event queue
2362 * @ioc: per adapter object
2364 * Walk the firmware event queue, either killing timers, or waiting
2365 * for outstanding events to complete
2370 _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER
*ioc
)
2372 struct fw_event_work
*fw_event
, *next
;
2374 if (list_empty(&ioc
->fw_event_list
) ||
2375 !ioc
->firmware_event_thread
|| in_interrupt())
2378 list_for_each_entry_safe(fw_event
, next
, &ioc
->fw_event_list
, list
) {
2379 if (cancel_delayed_work(&fw_event
->delayed_work
)) {
2380 _scsih_fw_event_free(ioc
, fw_event
);
2383 fw_event
->cancel_pending_work
= 1;
2388 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
2389 * @ioc: per adapter object
2390 * @handle: device handle
2392 * During device pull we need to appropiately set the sdev state.
2395 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2397 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2398 struct scsi_device
*sdev
;
2400 shost_for_each_device(sdev
, ioc
->shost
) {
2401 sas_device_priv_data
= sdev
->hostdata
;
2402 if (!sas_device_priv_data
)
2404 if (!sas_device_priv_data
->block
)
2406 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2407 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2408 MPT2SAS_INFO_FMT
"SDEV_RUNNING: "
2409 "handle(0x%04x)\n", ioc
->name
, handle
));
2410 sas_device_priv_data
->block
= 0;
2411 scsi_internal_device_unblock(sdev
);
2417 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2418 * @ioc: per adapter object
2419 * @handle: device handle
2421 * During device pull we need to appropiately set the sdev state.
2424 _scsih_block_io_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2426 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2427 struct scsi_device
*sdev
;
2429 shost_for_each_device(sdev
, ioc
->shost
) {
2430 sas_device_priv_data
= sdev
->hostdata
;
2431 if (!sas_device_priv_data
)
2433 if (sas_device_priv_data
->block
)
2435 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2436 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2437 MPT2SAS_INFO_FMT
"SDEV_BLOCK: "
2438 "handle(0x%04x)\n", ioc
->name
, handle
));
2439 sas_device_priv_data
->block
= 1;
2440 scsi_internal_device_block(sdev
);
2446 * _scsih_block_io_to_children_attached_to_ex
2447 * @ioc: per adapter object
2448 * @sas_expander: the sas_device object
2450 * This routine set sdev state to SDEV_BLOCK for all devices
2451 * attached to this expander. This function called when expander is
2455 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER
*ioc
,
2456 struct _sas_node
*sas_expander
)
2458 struct _sas_port
*mpt2sas_port
;
2459 struct _sas_device
*sas_device
;
2460 struct _sas_node
*expander_sibling
;
2461 unsigned long flags
;
2466 list_for_each_entry(mpt2sas_port
,
2467 &sas_expander
->sas_port_list
, port_list
) {
2468 if (mpt2sas_port
->remote_identify
.device_type
==
2470 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2472 mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
2473 mpt2sas_port
->remote_identify
.sas_address
);
2474 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2477 _scsih_block_io_device(ioc
, sas_device
->handle
);
2481 list_for_each_entry(mpt2sas_port
,
2482 &sas_expander
->sas_port_list
, port_list
) {
2484 if (mpt2sas_port
->remote_identify
.device_type
==
2485 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER
||
2486 mpt2sas_port
->remote_identify
.device_type
==
2487 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER
) {
2489 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
2491 mpt2sas_scsih_expander_find_by_sas_address(
2492 ioc
, mpt2sas_port
->remote_identify
.sas_address
);
2493 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
2494 _scsih_block_io_to_children_attached_to_ex(ioc
,
2501 * _scsih_block_io_to_children_attached_directly
2502 * @ioc: per adapter object
2503 * @event_data: topology change event data
2505 * This routine set sdev state to SDEV_BLOCK for all devices
2506 * direct attached during device pull.
2509 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER
*ioc
,
2510 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
2517 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
2518 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
2521 phy_number
= event_data
->StartPhyNum
+ i
;
2522 reason_code
= event_data
->PHY
[i
].PhyStatus
&
2523 MPI2_EVENT_SAS_TOPO_RC_MASK
;
2524 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
)
2525 _scsih_block_io_device(ioc
, handle
);
2530 * _scsih_tm_tr_send - send task management request
2531 * @ioc: per adapter object
2532 * @handle: device handle
2533 * Context: interrupt time.
2535 * This code is to initiate the device removal handshake protocal
2536 * with controller firmware. This function will issue target reset
2537 * using high priority request queue. It will send a sas iounit
2538 * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
2540 * This is designed to send muliple task management request at the same
2541 * time to the fifo. If the fifo is full, we will append the request,
2542 * and process it in a future completion.
2545 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2547 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2549 struct _sas_device
*sas_device
;
2550 unsigned long flags
;
2551 struct _tr_list
*delayed_tr
;
2553 if (ioc
->shost_recovery
|| ioc
->remove_host
) {
2554 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
2555 "progress!\n", __func__
, ioc
->name
));
2559 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2560 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
2561 if (sas_device
&& sas_device
->hidden_raid_component
) {
2562 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2565 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2567 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_cb_idx
);
2569 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
2572 INIT_LIST_HEAD(&delayed_tr
->list
);
2573 delayed_tr
->handle
= handle
;
2574 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
2575 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2576 "DELAYED:tr:handle(0x%04x), (open)\n",
2577 ioc
->name
, handle
));
2581 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
2582 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
2583 ioc
->tm_tr_cb_idx
));
2584 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2585 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2586 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2587 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2588 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
2589 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
2595 * _scsih_sas_control_complete - completion routine
2596 * @ioc: per adapter object
2597 * @smid: system request message index
2598 * @msix_index: MSIX table index supplied by the OS
2599 * @reply: reply message frame(lower 32bit addr)
2600 * Context: interrupt time.
2602 * This is the sas iounit controll completion routine.
2603 * This code is part of the code to initiate the device removal
2604 * handshake protocal with controller firmware.
2606 * Return 1 meaning mf should be freed from _base_interrupt
2607 * 0 means the mf is freed from this function.
2610 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
2611 u8 msix_index
, u32 reply
)
2613 Mpi2SasIoUnitControlReply_t
*mpi_reply
=
2614 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
2616 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2617 "sc_complete:handle(0x%04x), (open) "
2618 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
2619 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
), smid
,
2620 le16_to_cpu(mpi_reply
->IOCStatus
),
2621 le32_to_cpu(mpi_reply
->IOCLogInfo
)));
2626 * _scsih_tm_tr_complete -
2627 * @ioc: per adapter object
2628 * @smid: system request message index
2629 * @msix_index: MSIX table index supplied by the OS
2630 * @reply: reply message frame(lower 32bit addr)
2631 * Context: interrupt time.
2633 * This is the target reset completion routine.
2634 * This code is part of the code to initiate the device removal
2635 * handshake protocal with controller firmware.
2636 * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE)
2638 * Return 1 meaning mf should be freed from _base_interrupt
2639 * 0 means the mf is freed from this function.
2642 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
2646 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
2647 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
2648 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
2649 Mpi2SasIoUnitControlRequest_t
*mpi_request
;
2651 struct _tr_list
*delayed_tr
;
2653 if (ioc
->shost_recovery
|| ioc
->remove_host
) {
2654 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
2655 "progress!\n", __func__
, ioc
->name
));
2659 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2660 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
2661 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
2662 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"spurious interrupt: "
2663 "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc
->name
, handle
,
2664 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
2668 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
2669 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
2670 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
2671 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
2672 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2673 le32_to_cpu(mpi_reply
->TerminationCount
)));
2675 smid_sas_ctrl
= mpt2sas_base_get_smid(ioc
, ioc
->tm_sas_control_cb_idx
);
2676 if (!smid_sas_ctrl
) {
2677 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2678 ioc
->name
, __func__
);
2682 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sc_send:handle(0x%04x), "
2683 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid_sas_ctrl
,
2684 ioc
->tm_sas_control_cb_idx
));
2685 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid_sas_ctrl
);
2686 memset(mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
2687 mpi_request
->Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
2688 mpi_request
->Operation
= MPI2_SAS_OP_REMOVE_DEVICE
;
2689 mpi_request
->DevHandle
= mpi_request_tm
->DevHandle
;
2690 mpt2sas_base_put_smid_default(ioc
, smid_sas_ctrl
);
2692 if (!list_empty(&ioc
->delayed_tr_list
)) {
2693 delayed_tr
= list_entry(ioc
->delayed_tr_list
.next
,
2694 struct _tr_list
, list
);
2695 mpt2sas_base_free_smid(ioc
, smid
);
2696 _scsih_tm_tr_send(ioc
, delayed_tr
->handle
);
2697 list_del(&delayed_tr
->list
);
2699 return 0; /* tells base_interrupt not to free mf */
2705 * _scsih_check_topo_delete_events - sanity check on topo events
2706 * @ioc: per adapter object
2707 * @event_data: the event data payload
2709 * This routine added to better handle cable breaker.
2711 * This handles the case where driver recieves multiple expander
2712 * add and delete events in a single shot. When there is a delete event
2713 * the routine will void any pending add events waiting in the event queue.
2718 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
2719 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
2721 struct fw_event_work
*fw_event
;
2722 Mpi2EventDataSasTopologyChangeList_t
*local_event_data
;
2723 u16 expander_handle
;
2724 struct _sas_node
*sas_expander
;
2725 unsigned long flags
;
2729 for (i
= 0 ; i
< event_data
->NumEntries
; i
++) {
2730 if (event_data
->PHY
[i
].PhyStatus
&
2731 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
)
2733 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
2736 reason_code
= event_data
->PHY
[i
].PhyStatus
&
2737 MPI2_EVENT_SAS_TOPO_RC_MASK
;
2738 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
)
2739 _scsih_tm_tr_send(ioc
, handle
);
2742 expander_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
2743 if (expander_handle
< ioc
->sas_hba
.num_phys
) {
2744 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
2748 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
2749 || event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
) {
2750 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
2751 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
2753 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
2754 _scsih_block_io_to_children_attached_to_ex(ioc
, sas_expander
);
2755 } else if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_RESPONDING
)
2756 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
2758 if (event_data
->ExpStatus
!= MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
)
2761 /* mark ignore flag for pending events */
2762 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2763 list_for_each_entry(fw_event
, &ioc
->fw_event_list
, list
) {
2764 if (fw_event
->event
!= MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
||
2767 local_event_data
= fw_event
->event_data
;
2768 if (local_event_data
->ExpStatus
==
2769 MPI2_EVENT_SAS_TOPO_ES_ADDED
||
2770 local_event_data
->ExpStatus
==
2771 MPI2_EVENT_SAS_TOPO_ES_RESPONDING
) {
2772 if (le16_to_cpu(local_event_data
->ExpanderDevHandle
) ==
2774 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
2775 "setting ignoring flag\n", ioc
->name
));
2776 fw_event
->ignore
= 1;
2780 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2784 * _scsih_flush_running_cmds - completing outstanding commands.
2785 * @ioc: per adapter object
2787 * The flushing out of all pending scmd commands following host reset,
2788 * where all IO is dropped to the floor.
2793 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER
*ioc
)
2795 struct scsi_cmnd
*scmd
;
2799 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
2800 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
2804 mpt2sas_base_free_smid(ioc
, smid
);
2805 scsi_dma_unmap(scmd
);
2806 scmd
->result
= DID_RESET
<< 16;
2807 scmd
->scsi_done(scmd
);
2809 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"completing %d cmds\n",
2814 * _scsih_setup_eedp - setup MPI request for EEDP transfer
2815 * @scmd: pointer to scsi command object
2816 * @mpi_request: pointer to the SCSI_IO reqest message frame
2818 * Supporting protection 1 and 3.
2823 _scsih_setup_eedp(struct scsi_cmnd
*scmd
, Mpi2SCSIIORequest_t
*mpi_request
)
2826 unsigned char prot_op
= scsi_get_prot_op(scmd
);
2827 unsigned char prot_type
= scsi_get_prot_type(scmd
);
2829 if (prot_type
== SCSI_PROT_DIF_TYPE0
||
2830 prot_type
== SCSI_PROT_DIF_TYPE2
||
2831 prot_op
== SCSI_PROT_NORMAL
)
2834 if (prot_op
== SCSI_PROT_READ_STRIP
)
2835 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
;
2836 else if (prot_op
== SCSI_PROT_WRITE_INSERT
)
2837 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
;
2841 switch (prot_type
) {
2842 case SCSI_PROT_DIF_TYPE1
:
2845 * enable ref/guard checking
2846 * auto increment ref tag
2848 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG
|
2849 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG
|
2850 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
2851 mpi_request
->CDB
.EEDP32
.PrimaryReferenceTag
=
2852 cpu_to_be32(scsi_get_lba(scmd
));
2856 case SCSI_PROT_DIF_TYPE3
:
2859 * enable guard checking
2861 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
2864 mpi_request
->EEDPBlockSize
= cpu_to_le32(scmd
->device
->sector_size
);
2865 mpi_request
->EEDPFlags
= cpu_to_le16(eedp_flags
);
2869 * _scsih_eedp_error_handling - return sense code for EEDP errors
2870 * @scmd: pointer to scsi command object
2871 * @ioc_status: ioc status
2876 _scsih_eedp_error_handling(struct scsi_cmnd
*scmd
, u16 ioc_status
)
2882 switch (ioc_status
) {
2883 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
2886 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
2889 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
2897 if (scmd
->sc_data_direction
== DMA_TO_DEVICE
) {
2898 sk
= ILLEGAL_REQUEST
;
2899 host_byte
= DID_ABORT
;
2901 sk
= ABORTED_COMMAND
;
2905 scsi_build_sense_buffer(0, scmd
->sense_buffer
, sk
, 0x10, ascq
);
2906 scmd
->result
= DRIVER_SENSE
<< 24 | (host_byte
<< 16) |
2907 SAM_STAT_CHECK_CONDITION
;
2911 * _scsih_qcmd - main scsi request entry point
2912 * @scmd: pointer to scsi command object
2913 * @done: function pointer to be invoked on completion
2915 * The callback index is set inside `ioc->scsi_io_cb_idx`.
2917 * Returns 0 on success. If there's a failure, return either:
2918 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
2919 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
2922 _scsih_qcmd(struct scsi_cmnd
*scmd
, void (*done
)(struct scsi_cmnd
*))
2924 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2925 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2926 struct MPT2SAS_TARGET
*sas_target_priv_data
;
2927 Mpi2SCSIIORequest_t
*mpi_request
;
2931 scmd
->scsi_done
= done
;
2932 sas_device_priv_data
= scmd
->device
->hostdata
;
2933 if (!sas_device_priv_data
) {
2934 scmd
->result
= DID_NO_CONNECT
<< 16;
2935 scmd
->scsi_done(scmd
);
2939 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
2940 if (!sas_target_priv_data
|| sas_target_priv_data
->handle
==
2941 MPT2SAS_INVALID_DEVICE_HANDLE
|| sas_target_priv_data
->deleted
) {
2942 scmd
->result
= DID_NO_CONNECT
<< 16;
2943 scmd
->scsi_done(scmd
);
2947 /* see if we are busy with task managment stuff */
2948 if (sas_device_priv_data
->block
|| sas_target_priv_data
->tm_busy
)
2949 return SCSI_MLQUEUE_DEVICE_BUSY
;
2950 else if (ioc
->shost_recovery
|| ioc
->ioc_link_reset_in_progress
)
2951 return SCSI_MLQUEUE_HOST_BUSY
;
2953 if (scmd
->sc_data_direction
== DMA_FROM_DEVICE
)
2954 mpi_control
= MPI2_SCSIIO_CONTROL_READ
;
2955 else if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
2956 mpi_control
= MPI2_SCSIIO_CONTROL_WRITE
;
2958 mpi_control
= MPI2_SCSIIO_CONTROL_NODATATRANSFER
;
2961 if (!(sas_device_priv_data
->flags
& MPT_DEVICE_FLAGS_INIT
)) {
2962 if (scmd
->device
->tagged_supported
) {
2963 if (scmd
->device
->ordered_tags
)
2964 mpi_control
|= MPI2_SCSIIO_CONTROL_ORDEREDQ
;
2966 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
2968 /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
2969 /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
2971 mpi_control
|= (0x500);
2974 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
2975 /* Make sure Device is not raid volume */
2976 if (!_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
2977 sas_is_tlr_enabled(scmd
->device
))
2978 mpi_control
|= MPI2_SCSIIO_CONTROL_TLR_ON
;
2980 smid
= mpt2sas_base_get_smid_scsiio(ioc
, ioc
->scsi_io_cb_idx
, scmd
);
2982 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2983 ioc
->name
, __func__
);
2986 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2987 memset(mpi_request
, 0, sizeof(Mpi2SCSIIORequest_t
));
2988 _scsih_setup_eedp(scmd
, mpi_request
);
2989 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
2990 if (sas_device_priv_data
->sas_target
->flags
&
2991 MPT_TARGET_FLAGS_RAID_COMPONENT
)
2992 mpi_request
->Function
= MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
2994 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
2995 mpi_request
->DevHandle
=
2996 cpu_to_le16(sas_device_priv_data
->sas_target
->handle
);
2997 mpi_request
->DataLength
= cpu_to_le32(scsi_bufflen(scmd
));
2998 mpi_request
->Control
= cpu_to_le32(mpi_control
);
2999 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
);
3000 mpi_request
->MsgFlags
= MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR
;
3001 mpi_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
3002 mpi_request
->SenseBufferLowAddress
=
3003 mpt2sas_base_get_sense_buffer_dma(ioc
, smid
);
3004 mpi_request
->SGLOffset0
= offsetof(Mpi2SCSIIORequest_t
, SGL
) / 4;
3005 mpi_request
->SGLFlags
= cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI
+
3006 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR
);
3007 mpi_request
->VF_ID
= 0; /* TODO */
3008 mpi_request
->VP_ID
= 0;
3009 int_to_scsilun(sas_device_priv_data
->lun
, (struct scsi_lun
*)
3011 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
3013 if (!mpi_request
->DataLength
) {
3014 mpt2sas_base_build_zero_len_sge(ioc
, &mpi_request
->SGL
);
3016 if (_scsih_build_scatter_gather(ioc
, scmd
, smid
)) {
3017 mpt2sas_base_free_smid(ioc
, smid
);
3022 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
3023 sas_device_priv_data
->sas_target
->handle
);
3027 return SCSI_MLQUEUE_HOST_BUSY
;
3031 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
3032 * @sense_buffer: sense data returned by target
3033 * @data: normalized skey/asc/ascq
3038 _scsih_normalize_sense(char *sense_buffer
, struct sense_info
*data
)
3040 if ((sense_buffer
[0] & 0x7F) >= 0x72) {
3041 /* descriptor format */
3042 data
->skey
= sense_buffer
[1] & 0x0F;
3043 data
->asc
= sense_buffer
[2];
3044 data
->ascq
= sense_buffer
[3];
3047 data
->skey
= sense_buffer
[2] & 0x0F;
3048 data
->asc
= sense_buffer
[12];
3049 data
->ascq
= sense_buffer
[13];
3053 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3055 * _scsih_scsi_ioc_info - translated non-successfull SCSI_IO request
3056 * @ioc: per adapter object
3057 * @scmd: pointer to scsi command object
3058 * @mpi_reply: reply mf payload returned from firmware
3060 * scsi_status - SCSI Status code returned from target device
3061 * scsi_state - state info associated with SCSI_IO determined by ioc
3062 * ioc_status - ioc supplied status info
3067 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
3068 Mpi2SCSIIOReply_t
*mpi_reply
, u16 smid
)
3072 u16 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) &
3073 MPI2_IOCSTATUS_MASK
;
3074 u8 scsi_state
= mpi_reply
->SCSIState
;
3075 u8 scsi_status
= mpi_reply
->SCSIStatus
;
3076 char *desc_ioc_state
= NULL
;
3077 char *desc_scsi_status
= NULL
;
3078 char *desc_scsi_state
= ioc
->tmp_string
;
3079 u32 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
3081 if (log_info
== 0x31170000)
3084 switch (ioc_status
) {
3085 case MPI2_IOCSTATUS_SUCCESS
:
3086 desc_ioc_state
= "success";
3088 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
3089 desc_ioc_state
= "invalid function";
3091 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
3092 desc_ioc_state
= "scsi recovered error";
3094 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE
:
3095 desc_ioc_state
= "scsi invalid dev handle";
3097 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
3098 desc_ioc_state
= "scsi device not there";
3100 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
3101 desc_ioc_state
= "scsi data overrun";
3103 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
3104 desc_ioc_state
= "scsi data underrun";
3106 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
3107 desc_ioc_state
= "scsi io data error";
3109 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
3110 desc_ioc_state
= "scsi protocol error";
3112 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
3113 desc_ioc_state
= "scsi task terminated";
3115 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
3116 desc_ioc_state
= "scsi residual mismatch";
3118 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
3119 desc_ioc_state
= "scsi task mgmt failed";
3121 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
3122 desc_ioc_state
= "scsi ioc terminated";
3124 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
3125 desc_ioc_state
= "scsi ext terminated";
3127 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3128 desc_ioc_state
= "eedp guard error";
3130 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3131 desc_ioc_state
= "eedp ref tag error";
3133 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3134 desc_ioc_state
= "eedp app tag error";
3137 desc_ioc_state
= "unknown";
3141 switch (scsi_status
) {
3142 case MPI2_SCSI_STATUS_GOOD
:
3143 desc_scsi_status
= "good";
3145 case MPI2_SCSI_STATUS_CHECK_CONDITION
:
3146 desc_scsi_status
= "check condition";
3148 case MPI2_SCSI_STATUS_CONDITION_MET
:
3149 desc_scsi_status
= "condition met";
3151 case MPI2_SCSI_STATUS_BUSY
:
3152 desc_scsi_status
= "busy";
3154 case MPI2_SCSI_STATUS_INTERMEDIATE
:
3155 desc_scsi_status
= "intermediate";
3157 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET
:
3158 desc_scsi_status
= "intermediate condmet";
3160 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT
:
3161 desc_scsi_status
= "reservation conflict";
3163 case MPI2_SCSI_STATUS_COMMAND_TERMINATED
:
3164 desc_scsi_status
= "command terminated";
3166 case MPI2_SCSI_STATUS_TASK_SET_FULL
:
3167 desc_scsi_status
= "task set full";
3169 case MPI2_SCSI_STATUS_ACA_ACTIVE
:
3170 desc_scsi_status
= "aca active";
3172 case MPI2_SCSI_STATUS_TASK_ABORTED
:
3173 desc_scsi_status
= "task aborted";
3176 desc_scsi_status
= "unknown";
3180 desc_scsi_state
[0] = '\0';
3182 desc_scsi_state
= " ";
3183 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
3184 strcat(desc_scsi_state
, "response info ");
3185 if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
3186 strcat(desc_scsi_state
, "state terminated ");
3187 if (scsi_state
& MPI2_SCSI_STATE_NO_SCSI_STATUS
)
3188 strcat(desc_scsi_state
, "no status ");
3189 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_FAILED
)
3190 strcat(desc_scsi_state
, "autosense failed ");
3191 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
)
3192 strcat(desc_scsi_state
, "autosense valid ");
3194 scsi_print_command(scmd
);
3195 printk(MPT2SAS_WARN_FMT
"\tdev handle(0x%04x), "
3196 "ioc_status(%s)(0x%04x), smid(%d)\n", ioc
->name
,
3197 le16_to_cpu(mpi_reply
->DevHandle
), desc_ioc_state
,
3199 printk(MPT2SAS_WARN_FMT
"\trequest_len(%d), underflow(%d), "
3200 "resid(%d)\n", ioc
->name
, scsi_bufflen(scmd
), scmd
->underflow
,
3201 scsi_get_resid(scmd
));
3202 printk(MPT2SAS_WARN_FMT
"\ttag(%d), transfer_count(%d), "
3203 "sc->result(0x%08x)\n", ioc
->name
, le16_to_cpu(mpi_reply
->TaskTag
),
3204 le32_to_cpu(mpi_reply
->TransferCount
), scmd
->result
);
3205 printk(MPT2SAS_WARN_FMT
"\tscsi_status(%s)(0x%02x), "
3206 "scsi_state(%s)(0x%02x)\n", ioc
->name
, desc_scsi_status
,
3207 scsi_status
, desc_scsi_state
, scsi_state
);
3209 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
3210 struct sense_info data
;
3211 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
3212 printk(MPT2SAS_WARN_FMT
"\t[sense_key,asc,ascq]: "
3213 "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc
->name
, data
.skey
,
3214 data
.asc
, data
.ascq
, le32_to_cpu(mpi_reply
->SenseCount
));
3217 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
) {
3218 response_info
= le32_to_cpu(mpi_reply
->ResponseInfo
);
3219 response_bytes
= (u8
*)&response_info
;
3220 _scsih_response_code(ioc
, response_bytes
[0]);
3226 * _scsih_smart_predicted_fault - illuminate Fault LED
3227 * @ioc: per adapter object
3228 * @handle: device handle
3233 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3235 Mpi2SepReply_t mpi_reply
;
3236 Mpi2SepRequest_t mpi_request
;
3237 struct scsi_target
*starget
;
3238 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3239 Mpi2EventNotificationReply_t
*event_reply
;
3240 Mpi2EventDataSasDeviceStatusChange_t
*event_data
;
3241 struct _sas_device
*sas_device
;
3243 unsigned long flags
;
3245 /* only handle non-raid devices */
3246 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3247 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
3249 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3252 starget
= sas_device
->starget
;
3253 sas_target_priv_data
= starget
->hostdata
;
3255 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) ||
3256 ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))) {
3257 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3260 starget_printk(KERN_WARNING
, starget
, "predicted fault\n");
3261 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3263 if (ioc
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_IBM
) {
3264 memset(&mpi_request
, 0, sizeof(Mpi2SepRequest_t
));
3265 mpi_request
.Function
= MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
;
3266 mpi_request
.Action
= MPI2_SEP_REQ_ACTION_WRITE_STATUS
;
3267 mpi_request
.SlotStatus
=
3268 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT
);
3269 mpi_request
.DevHandle
= cpu_to_le16(handle
);
3270 mpi_request
.Flags
= MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS
;
3271 if ((mpt2sas_base_scsi_enclosure_processor(ioc
, &mpi_reply
,
3272 &mpi_request
)) != 0) {
3273 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3274 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3278 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
) {
3279 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3280 "enclosure_processor: ioc_status (0x%04x), "
3281 "loginfo(0x%08x)\n", ioc
->name
,
3282 le16_to_cpu(mpi_reply
.IOCStatus
),
3283 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
3288 /* insert into event log */
3289 sz
= offsetof(Mpi2EventNotificationReply_t
, EventData
) +
3290 sizeof(Mpi2EventDataSasDeviceStatusChange_t
);
3291 event_reply
= kzalloc(sz
, GFP_KERNEL
);
3293 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3294 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3298 event_reply
->Function
= MPI2_FUNCTION_EVENT_NOTIFICATION
;
3299 event_reply
->Event
=
3300 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
);
3301 event_reply
->MsgLength
= sz
/4;
3302 event_reply
->EventDataLength
=
3303 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t
)/4);
3304 event_data
= (Mpi2EventDataSasDeviceStatusChange_t
*)
3305 event_reply
->EventData
;
3306 event_data
->ReasonCode
= MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
;
3307 event_data
->ASC
= 0x5D;
3308 event_data
->DevHandle
= cpu_to_le16(handle
);
3309 event_data
->SASAddress
= cpu_to_le64(sas_target_priv_data
->sas_address
);
3310 mpt2sas_ctl_add_to_event_log(ioc
, event_reply
);
3315 * _scsih_io_done - scsi request callback
3316 * @ioc: per adapter object
3317 * @smid: system request message index
3318 * @msix_index: MSIX table index supplied by the OS
3319 * @reply: reply message frame(lower 32bit addr)
3321 * Callback handler when using _scsih_qcmd.
3323 * Return 1 meaning mf should be freed from _base_interrupt
3324 * 0 means the mf is freed from this function.
3327 _scsih_io_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
3329 Mpi2SCSIIORequest_t
*mpi_request
;
3330 Mpi2SCSIIOReply_t
*mpi_reply
;
3331 struct scsi_cmnd
*scmd
;
3337 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3338 u32 response_code
= 0;
3340 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3341 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
3345 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3347 if (mpi_reply
== NULL
) {
3348 scmd
->result
= DID_OK
<< 16;
3352 sas_device_priv_data
= scmd
->device
->hostdata
;
3353 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
||
3354 sas_device_priv_data
->sas_target
->deleted
) {
3355 scmd
->result
= DID_NO_CONNECT
<< 16;
3359 /* turning off TLR */
3360 scsi_state
= mpi_reply
->SCSIState
;
3361 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
3363 le32_to_cpu(mpi_reply
->ResponseInfo
) & 0xFF;
3364 if (!sas_device_priv_data
->tlr_snoop_check
) {
3365 sas_device_priv_data
->tlr_snoop_check
++;
3366 if (!_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
3367 sas_is_tlr_enabled(scmd
->device
) &&
3368 response_code
== MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
) {
3369 sas_disable_tlr(scmd
->device
);
3370 sdev_printk(KERN_INFO
, scmd
->device
, "TLR disabled\n");
3374 xfer_cnt
= le32_to_cpu(mpi_reply
->TransferCount
);
3375 scsi_set_resid(scmd
, scsi_bufflen(scmd
) - xfer_cnt
);
3376 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
3377 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
3378 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
3381 ioc_status
&= MPI2_IOCSTATUS_MASK
;
3382 scsi_status
= mpi_reply
->SCSIStatus
;
3384 if (ioc_status
== MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
&& xfer_cnt
== 0 &&
3385 (scsi_status
== MPI2_SCSI_STATUS_BUSY
||
3386 scsi_status
== MPI2_SCSI_STATUS_RESERVATION_CONFLICT
||
3387 scsi_status
== MPI2_SCSI_STATUS_TASK_SET_FULL
)) {
3388 ioc_status
= MPI2_IOCSTATUS_SUCCESS
;
3391 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
3392 struct sense_info data
;
3393 const void *sense_data
= mpt2sas_base_get_sense_buffer(ioc
,
3395 u32 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
3396 le32_to_cpu(mpi_reply
->SenseCount
));
3397 memcpy(scmd
->sense_buffer
, sense_data
, sz
);
3398 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
3399 /* failure prediction threshold exceeded */
3400 if (data
.asc
== 0x5D)
3401 _scsih_smart_predicted_fault(ioc
,
3402 le16_to_cpu(mpi_reply
->DevHandle
));
3405 switch (ioc_status
) {
3406 case MPI2_IOCSTATUS_BUSY
:
3407 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES
:
3408 scmd
->result
= SAM_STAT_BUSY
;
3411 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
3412 scmd
->result
= DID_NO_CONNECT
<< 16;
3415 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
3416 if (sas_device_priv_data
->block
) {
3417 scmd
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
3420 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
3421 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
3422 scmd
->result
= DID_RESET
<< 16;
3425 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
3426 if ((xfer_cnt
== 0) || (scmd
->underflow
> xfer_cnt
))
3427 scmd
->result
= DID_SOFT_ERROR
<< 16;
3429 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
3432 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
3433 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
3435 if ((scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
))
3438 if (xfer_cnt
< scmd
->underflow
) {
3439 if (scsi_status
== SAM_STAT_BUSY
)
3440 scmd
->result
= SAM_STAT_BUSY
;
3442 scmd
->result
= DID_SOFT_ERROR
<< 16;
3443 } else if (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
3444 MPI2_SCSI_STATE_NO_SCSI_STATUS
))
3445 scmd
->result
= DID_SOFT_ERROR
<< 16;
3446 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
3447 scmd
->result
= DID_RESET
<< 16;
3448 else if (!xfer_cnt
&& scmd
->cmnd
[0] == REPORT_LUNS
) {
3449 mpi_reply
->SCSIState
= MPI2_SCSI_STATE_AUTOSENSE_VALID
;
3450 mpi_reply
->SCSIStatus
= SAM_STAT_CHECK_CONDITION
;
3451 scmd
->result
= (DRIVER_SENSE
<< 24) |
3452 SAM_STAT_CHECK_CONDITION
;
3453 scmd
->sense_buffer
[0] = 0x70;
3454 scmd
->sense_buffer
[2] = ILLEGAL_REQUEST
;
3455 scmd
->sense_buffer
[12] = 0x20;
3456 scmd
->sense_buffer
[13] = 0;
3460 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
3461 scsi_set_resid(scmd
, 0);
3462 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
3463 case MPI2_IOCSTATUS_SUCCESS
:
3464 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
3465 if (response_code
==
3466 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
||
3467 (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
3468 MPI2_SCSI_STATE_NO_SCSI_STATUS
)))
3469 scmd
->result
= DID_SOFT_ERROR
<< 16;
3470 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
3471 scmd
->result
= DID_RESET
<< 16;
3474 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3475 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3476 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3477 _scsih_eedp_error_handling(scmd
, ioc_status
);
3479 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
3480 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
3481 case MPI2_IOCSTATUS_INVALID_SGL
:
3482 case MPI2_IOCSTATUS_INTERNAL_ERROR
:
3483 case MPI2_IOCSTATUS_INVALID_FIELD
:
3484 case MPI2_IOCSTATUS_INVALID_STATE
:
3485 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
3486 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
3488 scmd
->result
= DID_SOFT_ERROR
<< 16;
3493 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3494 if (scmd
->result
&& (ioc
->logging_level
& MPT_DEBUG_REPLY
))
3495 _scsih_scsi_ioc_info(ioc
, scmd
, mpi_reply
, smid
);
3499 scsi_dma_unmap(scmd
);
3500 scmd
->scsi_done(scmd
);
3505 * _scsih_sas_host_refresh - refreshing sas host object contents
3506 * @ioc: per adapter object
3509 * During port enable, fw will send topology events for every device. Its
3510 * possible that the handles may change from the previous setting, so this
3511 * code keeping handles updating if changed.
3516 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER
*ioc
)
3521 Mpi2ConfigReply_t mpi_reply
;
3522 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
3523 u16 attached_handle
;
3525 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
3526 "updating handles for sas_host(0x%016llx)\n",
3527 ioc
->name
, (unsigned long long)ioc
->sas_hba
.sas_address
));
3529 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
3530 * sizeof(Mpi2SasIOUnit0PhyData_t
));
3531 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
3532 if (!sas_iounit_pg0
) {
3533 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3534 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3538 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
3539 sas_iounit_pg0
, sz
)) != 0)
3541 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
3542 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
3544 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
3546 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
3547 PhyData
[0].ControllerDevHandle
);
3548 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
3549 attached_handle
= le16_to_cpu(sas_iounit_pg0
->PhyData
[i
].
3551 mpt2sas_transport_update_links(ioc
, ioc
->sas_hba
.sas_address
,
3552 attached_handle
, i
, sas_iounit_pg0
->PhyData
[i
].
3553 NegotiatedLinkRate
>> 4);
3556 kfree(sas_iounit_pg0
);
3560 * _scsih_sas_host_add - create sas host object
3561 * @ioc: per adapter object
3563 * Creating host side data object, stored in ioc->sas_hba
3568 _scsih_sas_host_add(struct MPT2SAS_ADAPTER
*ioc
)
3571 Mpi2ConfigReply_t mpi_reply
;
3572 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
3573 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
3574 Mpi2SasPhyPage0_t phy_pg0
;
3575 Mpi2SasDevicePage0_t sas_device_pg0
;
3576 Mpi2SasEnclosurePage0_t enclosure_pg0
;
3579 u16 device_missing_delay
;
3581 mpt2sas_config_get_number_hba_phys(ioc
, &ioc
->sas_hba
.num_phys
);
3582 if (!ioc
->sas_hba
.num_phys
) {
3583 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3584 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3588 /* sas_iounit page 0 */
3589 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
3590 sizeof(Mpi2SasIOUnit0PhyData_t
));
3591 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
3592 if (!sas_iounit_pg0
) {
3593 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3594 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3597 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
3598 sas_iounit_pg0
, sz
))) {
3599 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3600 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3603 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
3604 MPI2_IOCSTATUS_MASK
;
3605 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
3606 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3607 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3611 /* sas_iounit page 1 */
3612 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
3613 sizeof(Mpi2SasIOUnit1PhyData_t
));
3614 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
3615 if (!sas_iounit_pg1
) {
3616 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3617 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3620 if ((mpt2sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
3621 sas_iounit_pg1
, sz
))) {
3622 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3623 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3626 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
3627 MPI2_IOCSTATUS_MASK
;
3628 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
3629 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3630 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3634 ioc
->io_missing_delay
=
3635 le16_to_cpu(sas_iounit_pg1
->IODeviceMissingDelay
);
3636 device_missing_delay
=
3637 le16_to_cpu(sas_iounit_pg1
->ReportDeviceMissingDelay
);
3638 if (device_missing_delay
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
3639 ioc
->device_missing_delay
= (device_missing_delay
&
3640 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
3642 ioc
->device_missing_delay
= device_missing_delay
&
3643 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
3645 ioc
->sas_hba
.parent_dev
= &ioc
->shost
->shost_gendev
;
3646 ioc
->sas_hba
.phy
= kcalloc(ioc
->sas_hba
.num_phys
,
3647 sizeof(struct _sas_phy
), GFP_KERNEL
);
3648 if (!ioc
->sas_hba
.phy
) {
3649 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3650 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3653 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
3654 if ((mpt2sas_config_get_phy_pg0(ioc
, &mpi_reply
, &phy_pg0
,
3656 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3657 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3660 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
3661 MPI2_IOCSTATUS_MASK
;
3662 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
3663 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3664 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3669 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
3670 PhyData
[0].ControllerDevHandle
);
3671 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
3672 ioc
->sas_hba
.phy
[i
].phy_id
= i
;
3673 mpt2sas_transport_add_host_phy(ioc
, &ioc
->sas_hba
.phy
[i
],
3674 phy_pg0
, ioc
->sas_hba
.parent_dev
);
3676 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
3677 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, ioc
->sas_hba
.handle
))) {
3678 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3679 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3682 ioc
->sas_hba
.enclosure_handle
=
3683 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
3684 ioc
->sas_hba
.sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
3685 printk(MPT2SAS_INFO_FMT
"host_add: handle(0x%04x), "
3686 "sas_addr(0x%016llx), phys(%d)\n", ioc
->name
, ioc
->sas_hba
.handle
,
3687 (unsigned long long) ioc
->sas_hba
.sas_address
,
3688 ioc
->sas_hba
.num_phys
) ;
3690 if (ioc
->sas_hba
.enclosure_handle
) {
3691 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
3693 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
3694 ioc
->sas_hba
.enclosure_handle
))) {
3695 ioc
->sas_hba
.enclosure_logical_id
=
3696 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
3701 kfree(sas_iounit_pg1
);
3702 kfree(sas_iounit_pg0
);
3706 * _scsih_expander_add - creating expander object
3707 * @ioc: per adapter object
3708 * @handle: expander handle
3710 * Creating expander object, stored in ioc->sas_expander_list.
3712 * Return 0 for success, else error.
3715 _scsih_expander_add(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3717 struct _sas_node
*sas_expander
;
3718 Mpi2ConfigReply_t mpi_reply
;
3719 Mpi2ExpanderPage0_t expander_pg0
;
3720 Mpi2ExpanderPage1_t expander_pg1
;
3721 Mpi2SasEnclosurePage0_t enclosure_pg0
;
3724 __le64 sas_address
, sas_address_parent
= 0;
3726 unsigned long flags
;
3727 struct _sas_port
*mpt2sas_port
= NULL
;
3733 if (ioc
->shost_recovery
)
3736 if ((mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
3737 MPI2_SAS_EXPAND_PGAD_FORM_HNDL
, handle
))) {
3738 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3739 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3743 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
3744 MPI2_IOCSTATUS_MASK
;
3745 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
3746 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3747 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3751 /* handle out of order topology events */
3752 parent_handle
= le16_to_cpu(expander_pg0
.ParentDevHandle
);
3753 if (_scsih_get_sas_address(ioc
, parent_handle
, &sas_address_parent
)
3755 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3756 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3759 if (sas_address_parent
!= ioc
->sas_hba
.sas_address
) {
3760 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
3761 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
3762 sas_address_parent
);
3763 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
3764 if (!sas_expander
) {
3765 rc
= _scsih_expander_add(ioc
, parent_handle
);
3771 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
3772 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
3773 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
3775 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
3780 sas_expander
= kzalloc(sizeof(struct _sas_node
),
3782 if (!sas_expander
) {
3783 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3784 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3788 sas_expander
->handle
= handle
;
3789 sas_expander
->num_phys
= expander_pg0
.NumPhys
;
3790 sas_expander
->sas_address_parent
= sas_address_parent
;
3791 sas_expander
->sas_address
= sas_address
;
3793 printk(MPT2SAS_INFO_FMT
"expander_add: handle(0x%04x),"
3794 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc
->name
,
3795 handle
, parent_handle
, (unsigned long long)
3796 sas_expander
->sas_address
, sas_expander
->num_phys
);
3798 if (!sas_expander
->num_phys
)
3800 sas_expander
->phy
= kcalloc(sas_expander
->num_phys
,
3801 sizeof(struct _sas_phy
), GFP_KERNEL
);
3802 if (!sas_expander
->phy
) {
3803 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3804 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3809 INIT_LIST_HEAD(&sas_expander
->sas_port_list
);
3810 mpt2sas_port
= mpt2sas_transport_port_add(ioc
, handle
,
3811 sas_address_parent
);
3812 if (!mpt2sas_port
) {
3813 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3814 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3818 sas_expander
->parent_dev
= &mpt2sas_port
->rphy
->dev
;
3820 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
3821 if ((mpt2sas_config_get_expander_pg1(ioc
, &mpi_reply
,
3822 &expander_pg1
, i
, handle
))) {
3823 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3824 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3828 sas_expander
->phy
[i
].handle
= handle
;
3829 sas_expander
->phy
[i
].phy_id
= i
;
3831 if ((mpt2sas_transport_add_expander_phy(ioc
,
3832 &sas_expander
->phy
[i
], expander_pg1
,
3833 sas_expander
->parent_dev
))) {
3834 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
3835 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3841 if (sas_expander
->enclosure_handle
) {
3842 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
3843 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
3844 sas_expander
->enclosure_handle
))) {
3845 sas_expander
->enclosure_logical_id
=
3846 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
3850 _scsih_expander_node_add(ioc
, sas_expander
);
3856 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
3857 sas_address_parent
);
3858 kfree(sas_expander
);
3863 * _scsih_done - scsih callback handler.
3864 * @ioc: per adapter object
3865 * @smid: system request message index
3866 * @msix_index: MSIX table index supplied by the OS
3867 * @reply: reply message frame(lower 32bit addr)
3869 * Callback handler when sending internal generated message frames.
3870 * The callback index passed is `ioc->scsih_cb_idx`
3872 * Return 1 meaning mf should be freed from _base_interrupt
3873 * 0 means the mf is freed from this function.
3876 _scsih_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
3878 MPI2DefaultReply_t
*mpi_reply
;
3880 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3881 if (ioc
->scsih_cmds
.status
== MPT2_CMD_NOT_USED
)
3883 if (ioc
->scsih_cmds
.smid
!= smid
)
3885 ioc
->scsih_cmds
.status
|= MPT2_CMD_COMPLETE
;
3887 memcpy(ioc
->scsih_cmds
.reply
, mpi_reply
,
3888 mpi_reply
->MsgLength
*4);
3889 ioc
->scsih_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
3891 ioc
->scsih_cmds
.status
&= ~MPT2_CMD_PENDING
;
3892 complete(&ioc
->scsih_cmds
.done
);
3897 * _scsih_expander_remove - removing expander object
3898 * @ioc: per adapter object
3899 * @sas_address: expander sas_address
3904 _scsih_expander_remove(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
)
3906 struct _sas_node
*sas_expander
;
3907 unsigned long flags
;
3909 if (ioc
->shost_recovery
)
3912 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
3913 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
3915 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
3916 _scsih_expander_node_remove(ioc
, sas_expander
);
3920 * _scsih_check_access_status - check access flags
3921 * @ioc: per adapter object
3922 * @sas_address: sas address
3923 * @handle: sas device handle
3924 * @access_flags: errors returned during discovery of the device
3926 * Return 0 for success, else failure
3929 _scsih_check_access_status(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
3930 u16 handle
, u8 access_status
)
3935 switch (access_status
) {
3936 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS
:
3937 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION
:
3940 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED
:
3941 desc
= "sata capability failed";
3943 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT
:
3944 desc
= "sata affiliation conflict";
3946 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE
:
3947 desc
= "route not addressable";
3949 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE
:
3950 desc
= "smp error not addressable";
3952 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED
:
3953 desc
= "device blocked";
3955 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED
:
3956 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN
:
3957 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT
:
3958 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG
:
3959 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION
:
3960 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER
:
3961 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN
:
3962 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN
:
3963 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN
:
3964 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION
:
3965 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE
:
3966 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX
:
3967 desc
= "sata initialization failed";
3977 printk(MPT2SAS_ERR_FMT
"discovery errors(%s): sas_address(0x%016llx), "
3978 "handle(0x%04x)\n", ioc
->name
, desc
,
3979 (unsigned long long)sas_address
, handle
);
3984 _scsih_check_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3986 Mpi2ConfigReply_t mpi_reply
;
3987 Mpi2SasDevicePage0_t sas_device_pg0
;
3988 struct _sas_device
*sas_device
;
3990 unsigned long flags
;
3992 struct scsi_target
*starget
;
3993 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3996 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
3997 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
)))
4000 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4001 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4004 /* check if this is end device */
4005 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
4006 if (!(_scsih_is_end_device(device_info
)))
4009 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4010 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4011 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
4015 printk(MPT2SAS_ERR_FMT
"device is not present "
4016 "handle(0x%04x), no sas_device!!!\n", ioc
->name
, handle
);
4017 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4021 if (unlikely(sas_device
->handle
!= handle
)) {
4022 starget
= sas_device
->starget
;
4023 sas_target_priv_data
= starget
->hostdata
;
4024 starget_printk(KERN_INFO
, starget
, "handle changed from(0x%04x)"
4025 " to (0x%04x)!!!\n", sas_device
->handle
, handle
);
4026 sas_target_priv_data
->handle
= handle
;
4027 sas_device
->handle
= handle
;
4029 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4031 /* check if device is present */
4032 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
4033 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
4034 printk(MPT2SAS_ERR_FMT
"device is not present "
4035 "handle(0x%04x), flags!!!\n", ioc
->name
, handle
);
4039 /* check if there were any issues with discovery */
4040 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
4041 sas_device_pg0
.AccessStatus
))
4043 _scsih_ublock_io_device(ioc
, handle
);
4048 * _scsih_add_device - creating sas device object
4049 * @ioc: per adapter object
4050 * @handle: sas device handle
4051 * @phy_num: phy number end device attached to
4052 * @is_pd: is this hidden raid component
4054 * Creating end device object, stored in ioc->sas_device_list.
4056 * Returns 0 for success, non-zero for failure.
4059 _scsih_add_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, u8 phy_num
, u8 is_pd
)
4061 Mpi2ConfigReply_t mpi_reply
;
4062 Mpi2SasDevicePage0_t sas_device_pg0
;
4063 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4064 struct _sas_device
*sas_device
;
4068 unsigned long flags
;
4070 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4071 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
4072 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4073 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4077 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4078 MPI2_IOCSTATUS_MASK
;
4079 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4080 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4081 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4085 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4087 /* check if device is present */
4088 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
4089 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
4090 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4091 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4092 printk(MPT2SAS_ERR_FMT
"Flags = 0x%04x\n",
4093 ioc
->name
, le16_to_cpu(sas_device_pg0
.Flags
));
4097 /* check if there were any issues with discovery */
4098 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
4099 sas_device_pg0
.AccessStatus
))
4102 /* check if this is end device */
4103 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
4104 if (!(_scsih_is_end_device(device_info
))) {
4105 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4106 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4111 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4112 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
4114 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4119 sas_device
= kzalloc(sizeof(struct _sas_device
),
4122 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4123 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4127 sas_device
->handle
= handle
;
4128 if (_scsih_get_sas_address(ioc
, le16_to_cpu
4129 (sas_device_pg0
.ParentDevHandle
),
4130 &sas_device
->sas_address_parent
) != 0)
4131 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4132 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4133 sas_device
->enclosure_handle
=
4134 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4136 le16_to_cpu(sas_device_pg0
.Slot
);
4137 sas_device
->device_info
= device_info
;
4138 sas_device
->sas_address
= sas_address
;
4139 sas_device
->hidden_raid_component
= is_pd
;
4141 /* get enclosure_logical_id */
4142 if (sas_device
->enclosure_handle
&& !(mpt2sas_config_get_enclosure_pg0(
4143 ioc
, &mpi_reply
, &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4144 sas_device
->enclosure_handle
)))
4145 sas_device
->enclosure_logical_id
=
4146 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4148 /* get device name */
4149 sas_device
->device_name
= le64_to_cpu(sas_device_pg0
.DeviceName
);
4151 if (ioc
->wait_for_port_enable_to_complete
)
4152 _scsih_sas_device_init_add(ioc
, sas_device
);
4154 _scsih_sas_device_add(ioc
, sas_device
);
4160 * _scsih_remove_pd_device - removing sas device pd object
4161 * @ioc: per adapter object
4162 * @sas_device_delete: the sas_device object
4164 * For hidden raid components, we do driver-fw handshake from
4165 * hotplug work threads.
4169 _scsih_remove_pd_device(struct MPT2SAS_ADAPTER
*ioc
, struct _sas_device
4172 Mpi2SasIoUnitControlReply_t mpi_reply
;
4173 Mpi2SasIoUnitControlRequest_t mpi_request
;
4174 u16 vol_handle
, handle
;
4176 handle
= sas_device
.handle
;
4177 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter: handle(0x%04x),"
4178 " sas_addr(0x%016llx)\n", ioc
->name
, __func__
, handle
,
4179 (unsigned long long) sas_device
.sas_address
));
4181 vol_handle
= sas_device
.volume_handle
;
4184 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"issue target reset: "
4185 "handle(0x%04x)\n", ioc
->name
, vol_handle
));
4186 mpt2sas_scsih_issue_tm(ioc
, vol_handle
, 0,
4187 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0, 30);
4188 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"issue target reset "
4189 "done: handle(0x%04x)\n", ioc
->name
, vol_handle
));
4190 if (ioc
->shost_recovery
)
4193 /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */
4194 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sas_iounit: handle"
4195 "(0x%04x)\n", ioc
->name
, handle
));
4196 memset(&mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
4197 mpi_request
.Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
4198 mpi_request
.Operation
= MPI2_SAS_OP_REMOVE_DEVICE
;
4199 mpi_request
.DevHandle
= cpu_to_le16(handle
);
4200 if ((mpt2sas_base_sas_iounit_control(ioc
, &mpi_reply
,
4201 &mpi_request
)) != 0)
4202 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4203 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4205 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sas_iounit: ioc_status"
4206 "(0x%04x), loginfo(0x%08x)\n", ioc
->name
,
4207 le16_to_cpu(mpi_reply
.IOCStatus
),
4208 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
4210 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: exit: handle(0x%04x),"
4211 " sas_addr(0x%016llx)\n", ioc
->name
, __func__
, handle
,
4212 (unsigned long long) sas_device
.sas_address
));
4216 * _scsih_remove_device - removing sas device object
4217 * @ioc: per adapter object
4218 * @sas_device_delete: the sas_device object
4223 _scsih_remove_device(struct MPT2SAS_ADAPTER
*ioc
,
4224 struct _sas_device
*sas_device
)
4226 struct _sas_device sas_device_backup
;
4227 struct MPT2SAS_TARGET
*sas_target_priv_data
;
4232 memcpy(&sas_device_backup
, sas_device
, sizeof(struct _sas_device
));
4233 _scsih_sas_device_remove(ioc
, sas_device
);
4235 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter: "
4236 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
4237 sas_device_backup
.handle
, (unsigned long long)
4238 sas_device_backup
.sas_address
));
4240 if (sas_device_backup
.starget
&& sas_device_backup
.starget
->hostdata
) {
4241 sas_target_priv_data
= sas_device_backup
.starget
->hostdata
;
4242 sas_target_priv_data
->deleted
= 1;
4245 if (sas_device_backup
.hidden_raid_component
)
4246 _scsih_remove_pd_device(ioc
, sas_device_backup
);
4248 _scsih_ublock_io_device(ioc
, sas_device_backup
.handle
);
4250 mpt2sas_transport_port_remove(ioc
, sas_device_backup
.sas_address
,
4251 sas_device_backup
.sas_address_parent
);
4253 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), sas_addr"
4254 "(0x%016llx)\n", ioc
->name
, sas_device_backup
.handle
,
4255 (unsigned long long) sas_device_backup
.sas_address
);
4257 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: exit: "
4258 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
4259 sas_device_backup
.handle
, (unsigned long long)
4260 sas_device_backup
.sas_address
));
4263 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4265 * _scsih_sas_topology_change_event_debug - debug for topology event
4266 * @ioc: per adapter object
4267 * @event_data: event data payload
4271 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
4272 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
4278 char *status_str
= NULL
;
4279 u8 link_rate
, prev_link_rate
;
4281 switch (event_data
->ExpStatus
) {
4282 case MPI2_EVENT_SAS_TOPO_ES_ADDED
:
4285 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
:
4286 status_str
= "remove";
4288 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING
:
4290 status_str
= "responding";
4292 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
:
4293 status_str
= "remove delay";
4296 status_str
= "unknown status";
4299 printk(MPT2SAS_DEBUG_FMT
"sas topology change: (%s)\n",
4300 ioc
->name
, status_str
);
4301 printk(KERN_DEBUG
"\thandle(0x%04x), enclosure_handle(0x%04x) "
4302 "start_phy(%02d), count(%d)\n",
4303 le16_to_cpu(event_data
->ExpanderDevHandle
),
4304 le16_to_cpu(event_data
->EnclosureHandle
),
4305 event_data
->StartPhyNum
, event_data
->NumEntries
);
4306 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
4307 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
4310 phy_number
= event_data
->StartPhyNum
+ i
;
4311 reason_code
= event_data
->PHY
[i
].PhyStatus
&
4312 MPI2_EVENT_SAS_TOPO_RC_MASK
;
4313 switch (reason_code
) {
4314 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
4315 status_str
= "target add";
4317 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
4318 status_str
= "target remove";
4320 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
:
4321 status_str
= "delay target remove";
4323 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
4324 status_str
= "link rate change";
4326 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE
:
4327 status_str
= "target responding";
4330 status_str
= "unknown";
4333 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
4334 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
4335 printk(KERN_DEBUG
"\tphy(%02d), attached_handle(0x%04x): %s:"
4336 " link rate: new(0x%02x), old(0x%02x)\n", phy_number
,
4337 handle
, status_str
, link_rate
, prev_link_rate
);
4344 * _scsih_sas_topology_change_event - handle topology changes
4345 * @ioc: per adapter object
4346 * @fw_event: The fw_event_work object
4351 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER
*ioc
,
4352 struct fw_event_work
*fw_event
)
4355 u16 parent_handle
, handle
;
4358 struct _sas_node
*sas_expander
;
4359 struct _sas_device
*sas_device
;
4361 unsigned long flags
;
4362 u8 link_rate
, prev_link_rate
;
4363 Mpi2EventDataSasTopologyChangeList_t
*event_data
= fw_event
->event_data
;
4365 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4366 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
4367 _scsih_sas_topology_change_event_debug(ioc
, event_data
);
4370 if (ioc
->shost_recovery
|| ioc
->remove_host
)
4373 if (!ioc
->sas_hba
.num_phys
)
4374 _scsih_sas_host_add(ioc
);
4376 _scsih_sas_host_refresh(ioc
);
4378 if (fw_event
->ignore
) {
4379 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"ignoring expander "
4380 "event\n", ioc
->name
));
4384 parent_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
4386 /* handle expander add */
4387 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_ADDED
)
4388 if (_scsih_expander_add(ioc
, parent_handle
) != 0)
4391 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4392 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
4394 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4396 sas_address
= sas_expander
->sas_address
;
4397 else if (parent_handle
< ioc
->sas_hba
.num_phys
)
4398 sas_address
= ioc
->sas_hba
.sas_address
;
4402 /* handle siblings events */
4403 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
4404 if (fw_event
->ignore
) {
4405 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"ignoring "
4406 "expander event\n", ioc
->name
));
4409 if (ioc
->shost_recovery
|| ioc
->remove_host
)
4411 phy_number
= event_data
->StartPhyNum
+ i
;
4412 reason_code
= event_data
->PHY
[i
].PhyStatus
&
4413 MPI2_EVENT_SAS_TOPO_RC_MASK
;
4414 if ((event_data
->PHY
[i
].PhyStatus
&
4415 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
) && (reason_code
!=
4416 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
))
4418 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
4421 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
4422 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
4423 switch (reason_code
) {
4424 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
4426 if (link_rate
== prev_link_rate
)
4429 mpt2sas_transport_update_links(ioc
, sas_address
,
4430 handle
, phy_number
, link_rate
);
4432 if (link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
4435 _scsih_check_device(ioc
, handle
);
4437 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
4439 mpt2sas_transport_update_links(ioc
, sas_address
,
4440 handle
, phy_number
, link_rate
);
4442 _scsih_add_device(ioc
, handle
, phy_number
, 0);
4444 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
4446 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4447 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
4450 spin_unlock_irqrestore(&ioc
->sas_device_lock
,
4454 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4455 _scsih_remove_device(ioc
, sas_device
);
4460 /* handle expander removal */
4461 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
&&
4463 _scsih_expander_remove(ioc
, sas_address
);
4467 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4469 * _scsih_sas_device_status_change_event_debug - debug for device event
4470 * @event_data: event data payload
4476 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
4477 Mpi2EventDataSasDeviceStatusChange_t
*event_data
)
4479 char *reason_str
= NULL
;
4481 switch (event_data
->ReasonCode
) {
4482 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
:
4483 reason_str
= "smart data";
4485 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED
:
4486 reason_str
= "unsupported device discovered";
4488 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
:
4489 reason_str
= "internal device reset";
4491 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL
:
4492 reason_str
= "internal task abort";
4494 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL
:
4495 reason_str
= "internal task abort set";
4497 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL
:
4498 reason_str
= "internal clear task set";
4500 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL
:
4501 reason_str
= "internal query task";
4503 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE
:
4504 reason_str
= "sata init failure";
4506 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
:
4507 reason_str
= "internal device reset complete";
4509 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL
:
4510 reason_str
= "internal task abort complete";
4512 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION
:
4513 reason_str
= "internal async notification";
4515 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY
:
4516 reason_str
= "expander reduced functionality";
4518 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY
:
4519 reason_str
= "expander reduced functionality complete";
4522 reason_str
= "unknown reason";
4525 printk(MPT2SAS_DEBUG_FMT
"device status change: (%s)\n"
4526 "\thandle(0x%04x), sas address(0x%016llx)", ioc
->name
,
4527 reason_str
, le16_to_cpu(event_data
->DevHandle
),
4528 (unsigned long long)le64_to_cpu(event_data
->SASAddress
));
4529 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
)
4530 printk(MPT2SAS_DEBUG_FMT
", ASC(0x%x), ASCQ(0x%x)\n", ioc
->name
,
4531 event_data
->ASC
, event_data
->ASCQ
);
4532 printk(KERN_INFO
"\n");
4537 * _scsih_sas_device_status_change_event - handle device status change
4538 * @ioc: per adapter object
4539 * @fw_event: The fw_event_work object
4545 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
4546 struct fw_event_work
*fw_event
)
4548 struct MPT2SAS_TARGET
*target_priv_data
;
4549 struct _sas_device
*sas_device
;
4551 unsigned long flags
;
4552 Mpi2EventDataSasDeviceStatusChange_t
*event_data
=
4553 fw_event
->event_data
;
4555 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4556 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
4557 _scsih_sas_device_status_change_event_debug(ioc
,
4561 if (event_data
->ReasonCode
!=
4562 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
&&
4563 event_data
->ReasonCode
!=
4564 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
)
4567 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4568 sas_address
= le64_to_cpu(event_data
->SASAddress
);
4569 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
4571 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4573 if (!sas_device
|| !sas_device
->starget
)
4576 target_priv_data
= sas_device
->starget
->hostdata
;
4577 if (!target_priv_data
)
4580 if (event_data
->ReasonCode
==
4581 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
)
4582 target_priv_data
->tm_busy
= 1;
4584 target_priv_data
->tm_busy
= 0;
4587 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4589 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
4590 * @ioc: per adapter object
4591 * @event_data: event data payload
4597 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
4598 Mpi2EventDataSasEnclDevStatusChange_t
*event_data
)
4600 char *reason_str
= NULL
;
4602 switch (event_data
->ReasonCode
) {
4603 case MPI2_EVENT_SAS_ENCL_RC_ADDED
:
4604 reason_str
= "enclosure add";
4606 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING
:
4607 reason_str
= "enclosure remove";
4610 reason_str
= "unknown reason";
4614 printk(MPT2SAS_DEBUG_FMT
"enclosure status change: (%s)\n"
4615 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
4616 " number slots(%d)\n", ioc
->name
, reason_str
,
4617 le16_to_cpu(event_data
->EnclosureHandle
),
4618 (unsigned long long)le64_to_cpu(event_data
->EnclosureLogicalID
),
4619 le16_to_cpu(event_data
->StartSlot
));
4624 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
4625 * @ioc: per adapter object
4626 * @fw_event: The fw_event_work object
4632 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
4633 struct fw_event_work
*fw_event
)
4635 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4636 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
4637 _scsih_sas_enclosure_dev_status_change_event_debug(ioc
,
4638 fw_event
->event_data
);
4643 * _scsih_sas_broadcast_primative_event - handle broadcast events
4644 * @ioc: per adapter object
4645 * @fw_event: The fw_event_work object
4651 _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER
*ioc
,
4652 struct fw_event_work
*fw_event
)
4654 struct scsi_cmnd
*scmd
;
4657 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
4658 u32 termination_count
;
4660 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
4661 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4662 Mpi2EventDataSasBroadcastPrimitive_t
*event_data
= fw_event
->event_data
;
4665 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"broadcast primative: "
4666 "phy number(%d), width(%d)\n", ioc
->name
, event_data
->PhyNum
,
4667 event_data
->PortWidth
));
4668 dtmprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: enter\n", ioc
->name
,
4671 mutex_lock(&ioc
->tm_cmds
.mutex
);
4672 termination_count
= 0;
4674 mpi_reply
= ioc
->tm_cmds
.reply
;
4675 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
4676 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
4679 sas_device_priv_data
= scmd
->device
->hostdata
;
4680 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
)
4682 /* skip hidden raid components */
4683 if (sas_device_priv_data
->sas_target
->flags
&
4684 MPT_TARGET_FLAGS_RAID_COMPONENT
)
4687 if (sas_device_priv_data
->sas_target
->flags
&
4688 MPT_TARGET_FLAGS_VOLUME
)
4691 handle
= sas_device_priv_data
->sas_target
->handle
;
4692 lun
= sas_device_priv_data
->lun
;
4695 mpt2sas_scsih_issue_tm(ioc
, handle
, lun
,
4696 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
, smid
, 30);
4697 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
4698 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
)
4699 & MPI2_IOCSTATUS_MASK
;
4700 if ((ioc_status
== MPI2_IOCSTATUS_SUCCESS
) &&
4701 (mpi_reply
->ResponseCode
==
4702 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
||
4703 mpi_reply
->ResponseCode
==
4704 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
))
4707 mpt2sas_scsih_issue_tm(ioc
, handle
, lun
,
4708 MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET
, 0, 30);
4709 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
4710 termination_count
+= le32_to_cpu(mpi_reply
->TerminationCount
);
4712 ioc
->broadcast_aen_busy
= 0;
4713 mutex_unlock(&ioc
->tm_cmds
.mutex
);
4715 dtmprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
4716 "%s - exit, query_count = %d termination_count = %d\n",
4717 ioc
->name
, __func__
, query_count
, termination_count
));
4721 * _scsih_sas_discovery_event - handle discovery events
4722 * @ioc: per adapter object
4723 * @fw_event: The fw_event_work object
4729 _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER
*ioc
,
4730 struct fw_event_work
*fw_event
)
4732 Mpi2EventDataSasDiscovery_t
*event_data
= fw_event
->event_data
;
4734 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4735 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
) {
4736 printk(MPT2SAS_DEBUG_FMT
"discovery event: (%s)", ioc
->name
,
4737 (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
) ?
4739 if (event_data
->DiscoveryStatus
)
4740 printk("discovery_status(0x%08x)",
4741 le32_to_cpu(event_data
->DiscoveryStatus
));
4746 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
&&
4747 !ioc
->sas_hba
.num_phys
)
4748 _scsih_sas_host_add(ioc
);
4752 * _scsih_reprobe_lun - reprobing lun
4753 * @sdev: scsi device struct
4754 * @no_uld_attach: sdev->no_uld_attach flag setting
4758 _scsih_reprobe_lun(struct scsi_device
*sdev
, void *no_uld_attach
)
4762 sdev
->no_uld_attach
= no_uld_attach
? 1 : 0;
4763 sdev_printk(KERN_INFO
, sdev
, "%s raid component\n",
4764 sdev
->no_uld_attach
? "hidding" : "exposing");
4765 rc
= scsi_device_reprobe(sdev
);
4769 * _scsih_reprobe_target - reprobing target
4770 * @starget: scsi target struct
4771 * @no_uld_attach: sdev->no_uld_attach flag setting
4773 * Note: no_uld_attach flag determines whether the disk device is attached
4774 * to block layer. A value of `1` means to not attach.
4777 _scsih_reprobe_target(struct scsi_target
*starget
, int no_uld_attach
)
4779 struct MPT2SAS_TARGET
*sas_target_priv_data
= starget
->hostdata
;
4782 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_RAID_COMPONENT
;
4784 sas_target_priv_data
->flags
&= ~MPT_TARGET_FLAGS_RAID_COMPONENT
;
4786 starget_for_each_device(starget
, no_uld_attach
? (void *)1 : NULL
,
4787 _scsih_reprobe_lun
);
4790 * _scsih_sas_volume_add - add new volume
4791 * @ioc: per adapter object
4792 * @element: IR config element data
4798 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER
*ioc
,
4799 Mpi2EventIrConfigElement_t
*element
)
4801 struct _raid_device
*raid_device
;
4802 unsigned long flags
;
4804 u16 handle
= le16_to_cpu(element
->VolDevHandle
);
4807 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
4809 printk(MPT2SAS_ERR_FMT
4810 "failure at %s:%d/%s()!\n", ioc
->name
,
4811 __FILE__
, __LINE__
, __func__
);
4815 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
4816 raid_device
= _scsih_raid_device_find_by_wwid(ioc
, wwid
);
4817 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
4822 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
4824 printk(MPT2SAS_ERR_FMT
4825 "failure at %s:%d/%s()!\n", ioc
->name
,
4826 __FILE__
, __LINE__
, __func__
);
4830 raid_device
->id
= ioc
->sas_id
++;
4831 raid_device
->channel
= RAID_CHANNEL
;
4832 raid_device
->handle
= handle
;
4833 raid_device
->wwid
= wwid
;
4834 _scsih_raid_device_add(ioc
, raid_device
);
4835 if (!ioc
->wait_for_port_enable_to_complete
) {
4836 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
4837 raid_device
->id
, 0);
4839 _scsih_raid_device_remove(ioc
, raid_device
);
4841 _scsih_determine_boot_device(ioc
, raid_device
, 1);
4845 * _scsih_sas_volume_delete - delete volume
4846 * @ioc: per adapter object
4847 * @element: IR config element data
4853 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER
*ioc
,
4854 Mpi2EventIrConfigElement_t
*element
)
4856 struct _raid_device
*raid_device
;
4857 u16 handle
= le16_to_cpu(element
->VolDevHandle
);
4858 unsigned long flags
;
4859 struct MPT2SAS_TARGET
*sas_target_priv_data
;
4861 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
4862 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
4863 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
4866 if (raid_device
->starget
) {
4867 sas_target_priv_data
= raid_device
->starget
->hostdata
;
4868 sas_target_priv_data
->deleted
= 1;
4869 scsi_remove_target(&raid_device
->starget
->dev
);
4871 _scsih_raid_device_remove(ioc
, raid_device
);
4875 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
4876 * @ioc: per adapter object
4877 * @element: IR config element data
4883 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER
*ioc
,
4884 Mpi2EventIrConfigElement_t
*element
)
4886 struct _sas_device
*sas_device
;
4887 unsigned long flags
;
4888 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
4890 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4891 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
4892 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4896 /* exposing raid component */
4897 sas_device
->volume_handle
= 0;
4898 sas_device
->volume_wwid
= 0;
4899 sas_device
->hidden_raid_component
= 0;
4900 _scsih_reprobe_target(sas_device
->starget
, 0);
4904 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
4905 * @ioc: per adapter object
4906 * @element: IR config element data
4912 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER
*ioc
,
4913 Mpi2EventIrConfigElement_t
*element
)
4915 struct _sas_device
*sas_device
;
4916 unsigned long flags
;
4917 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
4919 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4920 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
4921 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4925 /* hiding raid component */
4926 mpt2sas_config_get_volume_handle(ioc
, handle
,
4927 &sas_device
->volume_handle
);
4928 mpt2sas_config_get_volume_wwid(ioc
, sas_device
->volume_handle
,
4929 &sas_device
->volume_wwid
);
4930 sas_device
->hidden_raid_component
= 1;
4931 _scsih_reprobe_target(sas_device
->starget
, 1);
4935 * _scsih_sas_pd_delete - delete pd component
4936 * @ioc: per adapter object
4937 * @element: IR config element data
4943 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER
*ioc
,
4944 Mpi2EventIrConfigElement_t
*element
)
4946 struct _sas_device
*sas_device
;
4947 unsigned long flags
;
4948 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
4950 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4951 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
4952 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4955 _scsih_remove_device(ioc
, sas_device
);
4959 * _scsih_sas_pd_add - remove pd component
4960 * @ioc: per adapter object
4961 * @element: IR config element data
4967 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER
*ioc
,
4968 Mpi2EventIrConfigElement_t
*element
)
4970 struct _sas_device
*sas_device
;
4971 unsigned long flags
;
4972 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
4973 Mpi2ConfigReply_t mpi_reply
;
4974 Mpi2SasDevicePage0_t sas_device_pg0
;
4979 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4980 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
4981 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4983 sas_device
->hidden_raid_component
= 1;
4987 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4988 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
4989 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4990 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4994 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4995 MPI2_IOCSTATUS_MASK
;
4996 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4997 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4998 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5002 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
5003 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
5004 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
5005 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
5007 _scsih_add_device(ioc
, handle
, 0, 1);
5010 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5012 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
5013 * @ioc: per adapter object
5014 * @event_data: event data payload
5020 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5021 Mpi2EventDataIrConfigChangeList_t
*event_data
)
5023 Mpi2EventIrConfigElement_t
*element
;
5026 char *reason_str
= NULL
, *element_str
= NULL
;
5028 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
5030 printk(MPT2SAS_DEBUG_FMT
"raid config change: (%s), elements(%d)\n",
5031 ioc
->name
, (le32_to_cpu(event_data
->Flags
) &
5032 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ?
5033 "foreign" : "native", event_data
->NumElements
);
5034 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
5035 switch (element
->ReasonCode
) {
5036 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
5039 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
5040 reason_str
= "remove";
5042 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE
:
5043 reason_str
= "no change";
5045 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
5046 reason_str
= "hide";
5048 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
5049 reason_str
= "unhide";
5051 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
5052 reason_str
= "volume_created";
5054 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
5055 reason_str
= "volume_deleted";
5057 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
5058 reason_str
= "pd_created";
5060 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
5061 reason_str
= "pd_deleted";
5064 reason_str
= "unknown reason";
5067 element_type
= le16_to_cpu(element
->ElementFlags
) &
5068 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK
;
5069 switch (element_type
) {
5070 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT
:
5071 element_str
= "volume";
5073 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT
:
5074 element_str
= "phys disk";
5076 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT
:
5077 element_str
= "hot spare";
5080 element_str
= "unknown element";
5083 printk(KERN_DEBUG
"\t(%s:%s), vol handle(0x%04x), "
5084 "pd handle(0x%04x), pd num(0x%02x)\n", element_str
,
5085 reason_str
, le16_to_cpu(element
->VolDevHandle
),
5086 le16_to_cpu(element
->PhysDiskDevHandle
),
5087 element
->PhysDiskNum
);
5093 * _scsih_sas_ir_config_change_event - handle ir configuration change events
5094 * @ioc: per adapter object
5095 * @fw_event: The fw_event_work object
5101 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5102 struct fw_event_work
*fw_event
)
5104 Mpi2EventIrConfigElement_t
*element
;
5107 Mpi2EventDataIrConfigChangeList_t
*event_data
= fw_event
->event_data
;
5109 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5110 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5111 _scsih_sas_ir_config_change_event_debug(ioc
, event_data
);
5114 foreign_config
= (le32_to_cpu(event_data
->Flags
) &
5115 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ? 1 : 0;
5117 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
5118 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
5120 switch (element
->ReasonCode
) {
5121 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
5122 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
5123 if (!foreign_config
)
5124 _scsih_sas_volume_add(ioc
, element
);
5126 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
5127 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
5128 if (!foreign_config
)
5129 _scsih_sas_volume_delete(ioc
, element
);
5131 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
5132 _scsih_sas_pd_hide(ioc
, element
);
5134 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
5135 _scsih_sas_pd_expose(ioc
, element
);
5137 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
5138 _scsih_sas_pd_add(ioc
, element
);
5140 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
5141 _scsih_sas_pd_delete(ioc
, element
);
5148 * _scsih_sas_ir_volume_event - IR volume event
5149 * @ioc: per adapter object
5150 * @fw_event: The fw_event_work object
5156 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER
*ioc
,
5157 struct fw_event_work
*fw_event
)
5160 unsigned long flags
;
5161 struct _raid_device
*raid_device
;
5165 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5166 Mpi2EventDataIrVolume_t
*event_data
= fw_event
->event_data
;
5168 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
5171 handle
= le16_to_cpu(event_data
->VolDevHandle
);
5172 state
= le32_to_cpu(event_data
->NewValue
);
5173 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: handle(0x%04x), "
5174 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
5175 le32_to_cpu(event_data
->PreviousValue
), state
));
5177 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5178 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
5179 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5182 case MPI2_RAID_VOL_STATE_MISSING
:
5183 case MPI2_RAID_VOL_STATE_FAILED
:
5186 if (raid_device
->starget
) {
5187 sas_target_priv_data
= raid_device
->starget
->hostdata
;
5188 sas_target_priv_data
->deleted
= 1;
5189 scsi_remove_target(&raid_device
->starget
->dev
);
5191 _scsih_raid_device_remove(ioc
, raid_device
);
5194 case MPI2_RAID_VOL_STATE_ONLINE
:
5195 case MPI2_RAID_VOL_STATE_DEGRADED
:
5196 case MPI2_RAID_VOL_STATE_OPTIMAL
:
5200 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
5202 printk(MPT2SAS_ERR_FMT
5203 "failure at %s:%d/%s()!\n", ioc
->name
,
5204 __FILE__
, __LINE__
, __func__
);
5208 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
5210 printk(MPT2SAS_ERR_FMT
5211 "failure at %s:%d/%s()!\n", ioc
->name
,
5212 __FILE__
, __LINE__
, __func__
);
5216 raid_device
->id
= ioc
->sas_id
++;
5217 raid_device
->channel
= RAID_CHANNEL
;
5218 raid_device
->handle
= handle
;
5219 raid_device
->wwid
= wwid
;
5220 _scsih_raid_device_add(ioc
, raid_device
);
5221 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
5222 raid_device
->id
, 0);
5224 _scsih_raid_device_remove(ioc
, raid_device
);
5227 case MPI2_RAID_VOL_STATE_INITIALIZING
:
5234 * _scsih_sas_ir_physical_disk_event - PD event
5235 * @ioc: per adapter object
5236 * @fw_event: The fw_event_work object
5242 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER
*ioc
,
5243 struct fw_event_work
*fw_event
)
5245 u16 handle
, parent_handle
;
5247 struct _sas_device
*sas_device
;
5248 unsigned long flags
;
5249 Mpi2ConfigReply_t mpi_reply
;
5250 Mpi2SasDevicePage0_t sas_device_pg0
;
5252 Mpi2EventDataIrPhysicalDisk_t
*event_data
= fw_event
->event_data
;
5255 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED
)
5258 handle
= le16_to_cpu(event_data
->PhysDiskDevHandle
);
5259 state
= le32_to_cpu(event_data
->NewValue
);
5261 dewtprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: handle(0x%04x), "
5262 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
5263 le32_to_cpu(event_data
->PreviousValue
), state
));
5265 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5266 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5267 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5270 case MPI2_RAID_PD_STATE_ONLINE
:
5271 case MPI2_RAID_PD_STATE_DEGRADED
:
5272 case MPI2_RAID_PD_STATE_REBUILDING
:
5273 case MPI2_RAID_PD_STATE_OPTIMAL
:
5275 sas_device
->hidden_raid_component
= 1;
5279 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
5280 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
5282 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5283 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5287 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5288 MPI2_IOCSTATUS_MASK
;
5289 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5290 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5291 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5295 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
5296 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
5297 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
5298 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
5300 _scsih_add_device(ioc
, handle
, 0, 1);
5304 case MPI2_RAID_PD_STATE_OFFLINE
:
5305 case MPI2_RAID_PD_STATE_NOT_CONFIGURED
:
5306 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE
:
5307 case MPI2_RAID_PD_STATE_HOT_SPARE
:
5313 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5315 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
5316 * @ioc: per adapter object
5317 * @event_data: event data payload
5323 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5324 Mpi2EventDataIrOperationStatus_t
*event_data
)
5326 char *reason_str
= NULL
;
5328 switch (event_data
->RAIDOperation
) {
5329 case MPI2_EVENT_IR_RAIDOP_RESYNC
:
5330 reason_str
= "resync";
5332 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION
:
5333 reason_str
= "online capacity expansion";
5335 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK
:
5336 reason_str
= "consistency check";
5338 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT
:
5339 reason_str
= "background init";
5341 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT
:
5342 reason_str
= "make data consistent";
5349 printk(MPT2SAS_INFO_FMT
"raid operational status: (%s)"
5350 "\thandle(0x%04x), percent complete(%d)\n",
5351 ioc
->name
, reason_str
,
5352 le16_to_cpu(event_data
->VolDevHandle
),
5353 event_data
->PercentComplete
);
5358 * _scsih_sas_ir_operation_status_event - handle RAID operation events
5359 * @ioc: per adapter object
5360 * @fw_event: The fw_event_work object
5366 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER
*ioc
,
5367 struct fw_event_work
*fw_event
)
5369 Mpi2EventDataIrOperationStatus_t
*event_data
= fw_event
->event_data
;
5370 static struct _raid_device
*raid_device
;
5371 unsigned long flags
;
5374 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5375 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5376 _scsih_sas_ir_operation_status_event_debug(ioc
,
5380 /* code added for raid transport support */
5381 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
) {
5383 handle
= le16_to_cpu(event_data
->VolDevHandle
);
5385 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5386 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
5387 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5392 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
)
5393 raid_device
->percent_complete
=
5394 event_data
->PercentComplete
;
5399 * _scsih_task_set_full - handle task set full
5400 * @ioc: per adapter object
5401 * @fw_event: The fw_event_work object
5404 * Throttle back qdepth.
5407 _scsih_task_set_full(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
5410 unsigned long flags
;
5411 struct _sas_device
*sas_device
;
5412 static struct _raid_device
*raid_device
;
5413 struct scsi_device
*sdev
;
5419 Mpi2EventDataTaskSetFull_t
*event_data
= fw_event
->event_data
;
5421 current_depth
= le16_to_cpu(event_data
->CurrentDepth
);
5422 handle
= le16_to_cpu(event_data
->DevHandle
);
5423 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5424 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5426 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5429 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5430 id
= sas_device
->id
;
5431 channel
= sas_device
->channel
;
5432 sas_address
= sas_device
->sas_address
;
5434 /* if hidden raid component, then change to volume characteristics */
5435 if (sas_device
->hidden_raid_component
&& sas_device
->volume_handle
) {
5436 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5437 raid_device
= _scsih_raid_device_find_by_handle(
5438 ioc
, sas_device
->volume_handle
);
5439 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5441 id
= raid_device
->id
;
5442 channel
= raid_device
->channel
;
5443 handle
= raid_device
->handle
;
5444 sas_address
= raid_device
->wwid
;
5448 if (ioc
->logging_level
& MPT_DEBUG_TASK_SET_FULL
)
5449 starget_printk(KERN_DEBUG
, sas_device
->starget
, "task set "
5450 "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n",
5451 handle
, (unsigned long long)sas_address
, current_depth
);
5453 shost_for_each_device(sdev
, ioc
->shost
) {
5454 if (sdev
->id
== id
&& sdev
->channel
== channel
) {
5455 if (current_depth
> sdev
->queue_depth
) {
5456 if (ioc
->logging_level
&
5457 MPT_DEBUG_TASK_SET_FULL
)
5458 sdev_printk(KERN_INFO
, sdev
, "strange "
5459 "observation, the queue depth is"
5460 " (%d) meanwhile fw queue depth "
5461 "is (%d)\n", sdev
->queue_depth
,
5465 depth
= scsi_track_queue_full(sdev
,
5468 sdev_printk(KERN_INFO
, sdev
, "Queue depth "
5469 "reduced to (%d)\n", depth
);
5471 sdev_printk(KERN_INFO
, sdev
, "Tagged Command "
5472 "Queueing is being disabled\n");
5473 else if (depth
== 0)
5474 if (ioc
->logging_level
&
5475 MPT_DEBUG_TASK_SET_FULL
)
5476 sdev_printk(KERN_INFO
, sdev
,
5477 "Queue depth not changed yet\n");
5483 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
5484 * @ioc: per adapter object
5485 * @sas_address: sas address
5486 * @slot: enclosure slot id
5487 * @handle: device handle
5489 * After host reset, find out whether devices are still responding.
5490 * Used in _scsi_remove_unresponsive_sas_devices.
5495 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
5496 u16 slot
, u16 handle
)
5498 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5499 struct scsi_target
*starget
;
5500 struct _sas_device
*sas_device
;
5501 unsigned long flags
;
5503 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5504 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
5505 if (sas_device
->sas_address
== sas_address
&&
5506 sas_device
->slot
== slot
&& sas_device
->starget
) {
5507 sas_device
->responding
= 1;
5508 starget
= sas_device
->starget
;
5509 sas_target_priv_data
= starget
->hostdata
;
5510 sas_target_priv_data
->tm_busy
= 0;
5511 starget_printk(KERN_INFO
, sas_device
->starget
,
5512 "handle(0x%04x), sas_addr(0x%016llx), enclosure "
5513 "logical id(0x%016llx), slot(%d)\n", handle
,
5514 (unsigned long long)sas_device
->sas_address
,
5515 (unsigned long long)
5516 sas_device
->enclosure_logical_id
,
5518 if (sas_device
->handle
== handle
)
5520 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
5521 sas_device
->handle
);
5522 sas_device
->handle
= handle
;
5523 sas_target_priv_data
->handle
= handle
;
5528 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5532 * _scsih_search_responding_sas_devices -
5533 * @ioc: per adapter object
5535 * After host reset, find out whether devices are still responding.
5541 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
5543 Mpi2SasDevicePage0_t sas_device_pg0
;
5544 Mpi2ConfigReply_t mpi_reply
;
5551 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
, __func__
);
5553 if (list_empty(&ioc
->sas_device_list
))
5557 while (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
5558 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
5560 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5561 MPI2_IOCSTATUS_MASK
;
5562 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
5564 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
5565 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
5566 if (!(_scsih_is_end_device(device_info
)))
5568 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
5569 slot
= le16_to_cpu(sas_device_pg0
.Slot
);
5570 _scsih_mark_responding_sas_device(ioc
, sas_address
, slot
,
5576 * _scsih_mark_responding_raid_device - mark a raid_device as responding
5577 * @ioc: per adapter object
5578 * @wwid: world wide identifier for raid volume
5579 * @handle: device handle
5581 * After host reset, find out whether devices are still responding.
5582 * Used in _scsi_remove_unresponsive_raid_devices.
5587 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
,
5590 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5591 struct scsi_target
*starget
;
5592 struct _raid_device
*raid_device
;
5593 unsigned long flags
;
5595 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
5596 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
5597 if (raid_device
->wwid
== wwid
&& raid_device
->starget
) {
5598 raid_device
->responding
= 1;
5599 starget_printk(KERN_INFO
, raid_device
->starget
,
5600 "handle(0x%04x), wwid(0x%016llx)\n", handle
,
5601 (unsigned long long)raid_device
->wwid
);
5602 if (raid_device
->handle
== handle
)
5604 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
5605 raid_device
->handle
);
5606 raid_device
->handle
= handle
;
5607 starget
= raid_device
->starget
;
5608 sas_target_priv_data
= starget
->hostdata
;
5609 sas_target_priv_data
->handle
= handle
;
5614 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
5618 * _scsih_search_responding_raid_devices -
5619 * @ioc: per adapter object
5621 * After host reset, find out whether devices are still responding.
5627 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER
*ioc
)
5629 Mpi2RaidVolPage1_t volume_pg1
;
5630 Mpi2ConfigReply_t mpi_reply
;
5634 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
, __func__
);
5636 if (list_empty(&ioc
->raid_device_list
))
5640 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
5641 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
5642 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5643 MPI2_IOCSTATUS_MASK
;
5644 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
5646 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
5647 _scsih_mark_responding_raid_device(ioc
,
5648 le64_to_cpu(volume_pg1
.WWID
), handle
);
5653 * _scsih_mark_responding_expander - mark a expander as responding
5654 * @ioc: per adapter object
5655 * @sas_address: sas address
5658 * After host reset, find out whether devices are still responding.
5659 * Used in _scsi_remove_unresponsive_expanders.
5664 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
5667 struct _sas_node
*sas_expander
;
5668 unsigned long flags
;
5671 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5672 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
5673 if (sas_expander
->sas_address
!= sas_address
)
5675 sas_expander
->responding
= 1;
5676 if (sas_expander
->handle
== handle
)
5678 printk(KERN_INFO
"\texpander(0x%016llx): handle changed"
5679 " from(0x%04x) to (0x%04x)!!!\n",
5680 (unsigned long long)sas_expander
->sas_address
,
5681 sas_expander
->handle
, handle
);
5682 sas_expander
->handle
= handle
;
5683 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++)
5684 sas_expander
->phy
[i
].handle
= handle
;
5688 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5692 * _scsih_search_responding_expanders -
5693 * @ioc: per adapter object
5695 * After host reset, find out whether devices are still responding.
5701 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER
*ioc
)
5703 Mpi2ExpanderPage0_t expander_pg0
;
5704 Mpi2ConfigReply_t mpi_reply
;
5709 printk(MPT2SAS_INFO_FMT
"%s\n", ioc
->name
, __func__
);
5711 if (list_empty(&ioc
->sas_expander_list
))
5715 while (!(mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
5716 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
5718 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5719 MPI2_IOCSTATUS_MASK
;
5720 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
5723 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
5724 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
5725 printk(KERN_INFO
"\texpander present: handle(0x%04x), "
5726 "sas_addr(0x%016llx)\n", handle
,
5727 (unsigned long long)sas_address
);
5728 _scsih_mark_responding_expander(ioc
, sas_address
, handle
);
5734 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
5735 * @ioc: per adapter object
5740 _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
5742 struct _sas_device
*sas_device
, *sas_device_next
;
5743 struct _sas_node
*sas_expander
;
5744 struct _raid_device
*raid_device
, *raid_device_next
;
5747 list_for_each_entry_safe(sas_device
, sas_device_next
,
5748 &ioc
->sas_device_list
, list
) {
5749 if (sas_device
->responding
) {
5750 sas_device
->responding
= 0;
5753 if (sas_device
->starget
)
5754 starget_printk(KERN_INFO
, sas_device
->starget
,
5755 "removing: handle(0x%04x), sas_addr(0x%016llx), "
5756 "enclosure logical id(0x%016llx), slot(%d)\n",
5758 (unsigned long long)sas_device
->sas_address
,
5759 (unsigned long long)
5760 sas_device
->enclosure_logical_id
,
5762 _scsih_remove_device(ioc
, sas_device
);
5765 list_for_each_entry_safe(raid_device
, raid_device_next
,
5766 &ioc
->raid_device_list
, list
) {
5767 if (raid_device
->responding
) {
5768 raid_device
->responding
= 0;
5771 if (raid_device
->starget
) {
5772 starget_printk(KERN_INFO
, raid_device
->starget
,
5773 "removing: handle(0x%04x), wwid(0x%016llx)\n",
5774 raid_device
->handle
,
5775 (unsigned long long)raid_device
->wwid
);
5776 scsi_remove_target(&raid_device
->starget
->dev
);
5778 _scsih_raid_device_remove(ioc
, raid_device
);
5781 retry_expander_search
:
5782 sas_expander
= NULL
;
5783 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
5784 if (sas_expander
->responding
) {
5785 sas_expander
->responding
= 0;
5788 _scsih_expander_remove(ioc
, sas_expander
->sas_address
);
5789 goto retry_expander_search
;
5794 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
5795 * @ioc: per adapter object
5796 * @reset_phase: phase
5798 * The handler for doing any required cleanup or initialization.
5800 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
5801 * MPT2_IOC_DONE_RESET
5806 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER
*ioc
, int reset_phase
)
5808 switch (reset_phase
) {
5809 case MPT2_IOC_PRE_RESET
:
5810 dtmprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: "
5811 "MPT2_IOC_PRE_RESET\n", ioc
->name
, __func__
));
5813 case MPT2_IOC_AFTER_RESET
:
5814 dtmprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: "
5815 "MPT2_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
5816 if (ioc
->scsih_cmds
.status
& MPT2_CMD_PENDING
) {
5817 ioc
->scsih_cmds
.status
|= MPT2_CMD_RESET
;
5818 mpt2sas_base_free_smid(ioc
, ioc
->scsih_cmds
.smid
);
5819 complete(&ioc
->scsih_cmds
.done
);
5821 if (ioc
->tm_cmds
.status
& MPT2_CMD_PENDING
) {
5822 ioc
->tm_cmds
.status
|= MPT2_CMD_RESET
;
5823 mpt2sas_base_free_smid(ioc
, ioc
->tm_cmds
.smid
);
5824 complete(&ioc
->tm_cmds
.done
);
5826 _scsih_fw_event_cleanup_queue(ioc
);
5827 _scsih_flush_running_cmds(ioc
);
5828 _scsih_queue_rescan(ioc
);
5830 case MPT2_IOC_DONE_RESET
:
5831 dtmprintk(ioc
, printk(MPT2SAS_DEBUG_FMT
"%s: "
5832 "MPT2_IOC_DONE_RESET\n", ioc
->name
, __func__
));
5833 _scsih_sas_host_refresh(ioc
);
5839 * _firmware_event_work - delayed task for processing firmware events
5840 * @ioc: per adapter object
5841 * @work: equal to the fw_event_work object
5847 _firmware_event_work(struct work_struct
*work
)
5849 struct fw_event_work
*fw_event
= container_of(work
,
5850 struct fw_event_work
, delayed_work
.work
);
5851 unsigned long flags
;
5852 struct MPT2SAS_ADAPTER
*ioc
= fw_event
->ioc
;
5854 /* the queue is being flushed so ignore this event */
5855 if (ioc
->remove_host
|| fw_event
->cancel_pending_work
) {
5856 _scsih_fw_event_free(ioc
, fw_event
);
5860 if (fw_event
->event
== MPT2SAS_RESCAN_AFTER_HOST_RESET
) {
5861 _scsih_fw_event_free(ioc
, fw_event
);
5862 spin_lock_irqsave(&ioc
->ioc_reset_in_progress_lock
, flags
);
5863 if (ioc
->shost_recovery
) {
5864 init_completion(&ioc
->shost_recovery_done
);
5865 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
,
5867 wait_for_completion(&ioc
->shost_recovery_done
);
5869 spin_unlock_irqrestore(&ioc
->ioc_reset_in_progress_lock
,
5871 _scsih_search_responding_sas_devices(ioc
);
5872 _scsih_search_responding_raid_devices(ioc
);
5873 _scsih_search_responding_expanders(ioc
);
5874 _scsih_remove_unresponding_sas_devices(ioc
);
5878 switch (fw_event
->event
) {
5879 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
5880 _scsih_sas_topology_change_event(ioc
, fw_event
);
5882 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
5883 _scsih_sas_device_status_change_event(ioc
,
5886 case MPI2_EVENT_SAS_DISCOVERY
:
5887 _scsih_sas_discovery_event(ioc
,
5890 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
5891 _scsih_sas_broadcast_primative_event(ioc
,
5894 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
5895 _scsih_sas_enclosure_dev_status_change_event(ioc
,
5898 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
5899 _scsih_sas_ir_config_change_event(ioc
, fw_event
);
5901 case MPI2_EVENT_IR_VOLUME
:
5902 _scsih_sas_ir_volume_event(ioc
, fw_event
);
5904 case MPI2_EVENT_IR_PHYSICAL_DISK
:
5905 _scsih_sas_ir_physical_disk_event(ioc
, fw_event
);
5907 case MPI2_EVENT_IR_OPERATION_STATUS
:
5908 _scsih_sas_ir_operation_status_event(ioc
, fw_event
);
5910 case MPI2_EVENT_TASK_SET_FULL
:
5911 _scsih_task_set_full(ioc
, fw_event
);
5914 _scsih_fw_event_free(ioc
, fw_event
);
5918 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
5919 * @ioc: per adapter object
5920 * @msix_index: MSIX table index supplied by the OS
5921 * @reply: reply message frame(lower 32bit addr)
5922 * Context: interrupt.
5924 * This function merely adds a new work task into ioc->firmware_event_thread.
5925 * The tasks are worked from _firmware_event_work in user context.
5927 * Return 1 meaning mf should be freed from _base_interrupt
5928 * 0 means the mf is freed from this function.
5931 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER
*ioc
, u8 msix_index
,
5934 struct fw_event_work
*fw_event
;
5935 Mpi2EventNotificationReply_t
*mpi_reply
;
5939 /* events turned off due to host reset or driver unloading */
5940 if (ioc
->remove_host
)
5943 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
5944 event
= le16_to_cpu(mpi_reply
->Event
);
5948 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
5950 Mpi2EventDataSasBroadcastPrimitive_t
*baen_data
=
5951 (Mpi2EventDataSasBroadcastPrimitive_t
*)
5952 mpi_reply
->EventData
;
5954 if (baen_data
->Primitive
!=
5955 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT
||
5956 ioc
->broadcast_aen_busy
)
5958 ioc
->broadcast_aen_busy
= 1;
5962 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
5963 _scsih_check_topo_delete_events(ioc
,
5964 (Mpi2EventDataSasTopologyChangeList_t
*)
5965 mpi_reply
->EventData
);
5968 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
5969 case MPI2_EVENT_IR_OPERATION_STATUS
:
5970 case MPI2_EVENT_SAS_DISCOVERY
:
5971 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
5972 case MPI2_EVENT_IR_VOLUME
:
5973 case MPI2_EVENT_IR_PHYSICAL_DISK
:
5974 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
5975 case MPI2_EVENT_TASK_SET_FULL
:
5978 default: /* ignore the rest */
5982 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
5984 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5985 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5988 sz
= le16_to_cpu(mpi_reply
->EventDataLength
) * 4;
5989 fw_event
->event_data
= kzalloc(sz
, GFP_ATOMIC
);
5990 if (!fw_event
->event_data
) {
5991 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5992 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5997 memcpy(fw_event
->event_data
, mpi_reply
->EventData
,
5999 fw_event
->ioc
= ioc
;
6000 fw_event
->VF_ID
= mpi_reply
->VF_ID
;
6001 fw_event
->VP_ID
= mpi_reply
->VP_ID
;
6002 fw_event
->event
= event
;
6003 _scsih_fw_event_add(ioc
, fw_event
);
6007 /* shost template */
6008 static struct scsi_host_template scsih_driver_template
= {
6009 .module
= THIS_MODULE
,
6010 .name
= "Fusion MPT SAS Host",
6011 .proc_name
= MPT2SAS_DRIVER_NAME
,
6012 .queuecommand
= _scsih_qcmd
,
6013 .target_alloc
= _scsih_target_alloc
,
6014 .slave_alloc
= _scsih_slave_alloc
,
6015 .slave_configure
= _scsih_slave_configure
,
6016 .target_destroy
= _scsih_target_destroy
,
6017 .slave_destroy
= _scsih_slave_destroy
,
6018 .change_queue_depth
= _scsih_change_queue_depth
,
6019 .change_queue_type
= _scsih_change_queue_type
,
6020 .eh_abort_handler
= _scsih_abort
,
6021 .eh_device_reset_handler
= _scsih_dev_reset
,
6022 .eh_target_reset_handler
= _scsih_target_reset
,
6023 .eh_host_reset_handler
= _scsih_host_reset
,
6024 .bios_param
= _scsih_bios_param
,
6027 .sg_tablesize
= MPT2SAS_SG_DEPTH
,
6028 .max_sectors
= 8192,
6030 .use_clustering
= ENABLE_CLUSTERING
,
6031 .shost_attrs
= mpt2sas_host_attrs
,
6032 .sdev_attrs
= mpt2sas_dev_attrs
,
6036 * _scsih_expander_node_remove - removing expander device from list.
6037 * @ioc: per adapter object
6038 * @sas_expander: the sas_device object
6039 * Context: Calling function should acquire ioc->sas_node_lock.
6041 * Removing object and freeing associated memory from the
6042 * ioc->sas_expander_list.
6047 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
6048 struct _sas_node
*sas_expander
)
6050 struct _sas_port
*mpt2sas_port
;
6051 struct _sas_device
*sas_device
;
6052 struct _sas_node
*expander_sibling
;
6053 unsigned long flags
;
6058 /* remove sibling ports attached to this expander */
6059 retry_device_search
:
6060 list_for_each_entry(mpt2sas_port
,
6061 &sas_expander
->sas_port_list
, port_list
) {
6062 if (mpt2sas_port
->remote_identify
.device_type
==
6064 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6066 mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
6067 mpt2sas_port
->remote_identify
.sas_address
);
6068 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6071 _scsih_remove_device(ioc
, sas_device
);
6072 if (ioc
->shost_recovery
)
6074 goto retry_device_search
;
6078 retry_expander_search
:
6079 list_for_each_entry(mpt2sas_port
,
6080 &sas_expander
->sas_port_list
, port_list
) {
6082 if (mpt2sas_port
->remote_identify
.device_type
==
6083 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER
||
6084 mpt2sas_port
->remote_identify
.device_type
==
6085 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER
) {
6087 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6089 mpt2sas_scsih_expander_find_by_sas_address(
6090 ioc
, mpt2sas_port
->remote_identify
.sas_address
);
6091 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6092 if (!expander_sibling
)
6094 _scsih_expander_remove(ioc
,
6095 expander_sibling
->sas_address
);
6096 if (ioc
->shost_recovery
)
6098 goto retry_expander_search
;
6102 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
6103 sas_expander
->sas_address_parent
);
6105 printk(MPT2SAS_INFO_FMT
"expander_remove: handle"
6106 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
6107 sas_expander
->handle
, (unsigned long long)
6108 sas_expander
->sas_address
);
6110 list_del(&sas_expander
->list
);
6111 kfree(sas_expander
->phy
);
6112 kfree(sas_expander
);
6116 * _scsih_ir_shutdown - IR shutdown notification
6117 * @ioc: per adapter object
6119 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
6120 * the host system is shutting down.
6125 _scsih_ir_shutdown(struct MPT2SAS_ADAPTER
*ioc
)
6127 Mpi2RaidActionRequest_t
*mpi_request
;
6128 Mpi2RaidActionReply_t
*mpi_reply
;
6131 /* is IR firmware build loaded ? */
6132 if (!ioc
->ir_firmware
)
6135 /* are there any volumes ? */
6136 if (list_empty(&ioc
->raid_device_list
))
6139 mutex_lock(&ioc
->scsih_cmds
.mutex
);
6141 if (ioc
->scsih_cmds
.status
!= MPT2_CMD_NOT_USED
) {
6142 printk(MPT2SAS_ERR_FMT
"%s: scsih_cmd in use\n",
6143 ioc
->name
, __func__
);
6146 ioc
->scsih_cmds
.status
= MPT2_CMD_PENDING
;
6148 smid
= mpt2sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
6150 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
6151 ioc
->name
, __func__
);
6152 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
6156 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
6157 ioc
->scsih_cmds
.smid
= smid
;
6158 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
6160 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
6161 mpi_request
->Action
= MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED
;
6163 printk(MPT2SAS_INFO_FMT
"IR shutdown (sending)\n", ioc
->name
);
6164 init_completion(&ioc
->scsih_cmds
.done
);
6165 mpt2sas_base_put_smid_default(ioc
, smid
);
6166 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
6168 if (!(ioc
->scsih_cmds
.status
& MPT2_CMD_COMPLETE
)) {
6169 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
6170 ioc
->name
, __func__
);
6174 if (ioc
->scsih_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
6175 mpi_reply
= ioc
->scsih_cmds
.reply
;
6177 printk(MPT2SAS_INFO_FMT
"IR shutdown (complete): "
6178 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6179 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
6180 le32_to_cpu(mpi_reply
->IOCLogInfo
));
6184 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
6185 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
6189 * _scsih_shutdown - routine call during system shutdown
6190 * @pdev: PCI device struct
6195 _scsih_shutdown(struct pci_dev
*pdev
)
6197 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6198 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
6199 struct workqueue_struct
*wq
;
6200 unsigned long flags
;
6202 ioc
->remove_host
= 1;
6203 _scsih_fw_event_cleanup_queue(ioc
);
6205 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
6206 wq
= ioc
->firmware_event_thread
;
6207 ioc
->firmware_event_thread
= NULL
;
6208 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
6210 destroy_workqueue(wq
);
6212 _scsih_ir_shutdown(ioc
);
6213 mpt2sas_base_detach(ioc
);
6217 * _scsih_remove - detach and remove add host
6218 * @pdev: PCI device struct
6220 * Routine called when unloading the driver.
6223 static void __devexit
6224 _scsih_remove(struct pci_dev
*pdev
)
6226 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6227 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
6228 struct _sas_port
*mpt2sas_port
;
6229 struct _sas_device
*sas_device
;
6230 struct _sas_node
*expander_sibling
;
6231 struct _raid_device
*raid_device
, *next
;
6232 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6233 struct workqueue_struct
*wq
;
6234 unsigned long flags
;
6236 ioc
->remove_host
= 1;
6237 _scsih_fw_event_cleanup_queue(ioc
);
6239 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
6240 wq
= ioc
->firmware_event_thread
;
6241 ioc
->firmware_event_thread
= NULL
;
6242 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
6244 destroy_workqueue(wq
);
6246 /* release all the volumes */
6247 list_for_each_entry_safe(raid_device
, next
, &ioc
->raid_device_list
,
6249 if (raid_device
->starget
) {
6250 sas_target_priv_data
=
6251 raid_device
->starget
->hostdata
;
6252 sas_target_priv_data
->deleted
= 1;
6253 scsi_remove_target(&raid_device
->starget
->dev
);
6255 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
6256 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
6257 (unsigned long long) raid_device
->wwid
);
6258 _scsih_raid_device_remove(ioc
, raid_device
);
6261 /* free ports attached to the sas_host */
6263 list_for_each_entry(mpt2sas_port
,
6264 &ioc
->sas_hba
.sas_port_list
, port_list
) {
6265 if (mpt2sas_port
->remote_identify
.device_type
==
6268 mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
6269 mpt2sas_port
->remote_identify
.sas_address
);
6271 _scsih_remove_device(ioc
, sas_device
);
6276 mpt2sas_scsih_expander_find_by_sas_address(ioc
,
6277 mpt2sas_port
->remote_identify
.sas_address
);
6278 if (expander_sibling
) {
6279 _scsih_expander_remove(ioc
,
6280 expander_sibling
->sas_address
);
6286 /* free phys attached to the sas_host */
6287 if (ioc
->sas_hba
.num_phys
) {
6288 kfree(ioc
->sas_hba
.phy
);
6289 ioc
->sas_hba
.phy
= NULL
;
6290 ioc
->sas_hba
.num_phys
= 0;
6293 sas_remove_host(shost
);
6294 _scsih_shutdown(pdev
);
6295 list_del(&ioc
->list
);
6296 scsi_remove_host(shost
);
6297 scsi_host_put(shost
);
6301 * _scsih_probe_boot_devices - reports 1st device
6302 * @ioc: per adapter object
6304 * If specified in bios page 2, this routine reports the 1st
6305 * device scsi-ml or sas transport for persistent boot device
6306 * purposes. Please refer to function _scsih_determine_boot_device()
6309 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER
*ioc
)
6313 struct _sas_device
*sas_device
;
6314 struct _raid_device
*raid_device
;
6316 u64 sas_address_parent
;
6318 unsigned long flags
;
6322 if (ioc
->req_boot_device
.device
) {
6323 device
= ioc
->req_boot_device
.device
;
6324 is_raid
= ioc
->req_boot_device
.is_raid
;
6325 } else if (ioc
->req_alt_boot_device
.device
) {
6326 device
= ioc
->req_alt_boot_device
.device
;
6327 is_raid
= ioc
->req_alt_boot_device
.is_raid
;
6328 } else if (ioc
->current_boot_device
.device
) {
6329 device
= ioc
->current_boot_device
.device
;
6330 is_raid
= ioc
->current_boot_device
.is_raid
;
6337 raid_device
= device
;
6338 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6339 raid_device
->id
, 0);
6341 _scsih_raid_device_remove(ioc
, raid_device
);
6343 sas_device
= device
;
6344 handle
= sas_device
->handle
;
6345 sas_address_parent
= sas_device
->sas_address_parent
;
6346 sas_address
= sas_device
->sas_address
;
6347 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6348 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
6349 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6350 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
6351 sas_device
->sas_address_parent
)) {
6352 _scsih_sas_device_remove(ioc
, sas_device
);
6353 } else if (!sas_device
->starget
) {
6354 mpt2sas_transport_port_remove(ioc
, sas_address
,
6355 sas_address_parent
);
6356 _scsih_sas_device_remove(ioc
, sas_device
);
6362 * _scsih_probe_raid - reporting raid volumes to scsi-ml
6363 * @ioc: per adapter object
6365 * Called during initial loading of the driver.
6368 _scsih_probe_raid(struct MPT2SAS_ADAPTER
*ioc
)
6370 struct _raid_device
*raid_device
, *raid_next
;
6373 list_for_each_entry_safe(raid_device
, raid_next
,
6374 &ioc
->raid_device_list
, list
) {
6375 if (raid_device
->starget
)
6377 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6378 raid_device
->id
, 0);
6380 _scsih_raid_device_remove(ioc
, raid_device
);
6385 * _scsih_probe_sas - reporting sas devices to sas transport
6386 * @ioc: per adapter object
6388 * Called during initial loading of the driver.
6391 _scsih_probe_sas(struct MPT2SAS_ADAPTER
*ioc
)
6393 struct _sas_device
*sas_device
, *next
;
6394 unsigned long flags
;
6396 /* SAS Device List */
6397 list_for_each_entry_safe(sas_device
, next
, &ioc
->sas_device_init_list
,
6399 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6400 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
6401 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6403 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
6404 sas_device
->sas_address_parent
)) {
6405 _scsih_sas_device_remove(ioc
, sas_device
);
6406 } else if (!sas_device
->starget
) {
6407 mpt2sas_transport_port_remove(ioc
,
6408 sas_device
->sas_address
,
6409 sas_device
->sas_address_parent
);
6410 _scsih_sas_device_remove(ioc
, sas_device
);
6416 * _scsih_probe_devices - probing for devices
6417 * @ioc: per adapter object
6419 * Called during initial loading of the driver.
6422 _scsih_probe_devices(struct MPT2SAS_ADAPTER
*ioc
)
6424 u16 volume_mapping_flags
=
6425 le16_to_cpu(ioc
->ioc_pg8
.IRVolumeMappingFlags
) &
6426 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE
;
6428 if (!(ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR
))
6429 return; /* return when IOC doesn't support initiator mode */
6431 _scsih_probe_boot_devices(ioc
);
6433 if (ioc
->ir_firmware
) {
6434 if ((volume_mapping_flags
&
6435 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING
)) {
6436 _scsih_probe_sas(ioc
);
6437 _scsih_probe_raid(ioc
);
6439 _scsih_probe_raid(ioc
);
6440 _scsih_probe_sas(ioc
);
6443 _scsih_probe_sas(ioc
);
6447 * _scsih_probe - attach and add scsi host
6448 * @pdev: PCI device struct
6449 * @id: pci device id
6451 * Returns 0 success, anything else error.
6454 _scsih_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
6456 struct MPT2SAS_ADAPTER
*ioc
;
6457 struct Scsi_Host
*shost
;
6459 shost
= scsi_host_alloc(&scsih_driver_template
,
6460 sizeof(struct MPT2SAS_ADAPTER
));
6464 /* init local params */
6465 ioc
= shost_priv(shost
);
6466 memset(ioc
, 0, sizeof(struct MPT2SAS_ADAPTER
));
6467 INIT_LIST_HEAD(&ioc
->list
);
6468 list_add_tail(&ioc
->list
, &mpt2sas_ioc_list
);
6470 ioc
->id
= mpt_ids
++;
6471 sprintf(ioc
->name
, "%s%d", MPT2SAS_DRIVER_NAME
, ioc
->id
);
6473 ioc
->scsi_io_cb_idx
= scsi_io_cb_idx
;
6474 ioc
->tm_cb_idx
= tm_cb_idx
;
6475 ioc
->ctl_cb_idx
= ctl_cb_idx
;
6476 ioc
->base_cb_idx
= base_cb_idx
;
6477 ioc
->transport_cb_idx
= transport_cb_idx
;
6478 ioc
->scsih_cb_idx
= scsih_cb_idx
;
6479 ioc
->config_cb_idx
= config_cb_idx
;
6480 ioc
->tm_tr_cb_idx
= tm_tr_cb_idx
;
6481 ioc
->tm_sas_control_cb_idx
= tm_sas_control_cb_idx
;
6482 ioc
->logging_level
= logging_level
;
6483 /* misc semaphores and spin locks */
6484 spin_lock_init(&ioc
->ioc_reset_in_progress_lock
);
6485 spin_lock_init(&ioc
->scsi_lookup_lock
);
6486 spin_lock_init(&ioc
->sas_device_lock
);
6487 spin_lock_init(&ioc
->sas_node_lock
);
6488 spin_lock_init(&ioc
->fw_event_lock
);
6489 spin_lock_init(&ioc
->raid_device_lock
);
6491 INIT_LIST_HEAD(&ioc
->sas_device_list
);
6492 INIT_LIST_HEAD(&ioc
->sas_device_init_list
);
6493 INIT_LIST_HEAD(&ioc
->sas_expander_list
);
6494 INIT_LIST_HEAD(&ioc
->fw_event_list
);
6495 INIT_LIST_HEAD(&ioc
->raid_device_list
);
6496 INIT_LIST_HEAD(&ioc
->sas_hba
.sas_port_list
);
6497 INIT_LIST_HEAD(&ioc
->delayed_tr_list
);
6499 /* init shost parameters */
6500 shost
->max_cmd_len
= 16;
6501 shost
->max_lun
= max_lun
;
6502 shost
->transportt
= mpt2sas_transport_template
;
6503 shost
->unique_id
= ioc
->id
;
6505 if ((scsi_add_host(shost
, &pdev
->dev
))) {
6506 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6507 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6508 list_del(&ioc
->list
);
6509 goto out_add_shost_fail
;
6512 scsi_host_set_prot(shost
, SHOST_DIF_TYPE1_PROTECTION
6513 | SHOST_DIF_TYPE3_PROTECTION
);
6514 scsi_host_set_guard(shost
, SHOST_DIX_GUARD_CRC
);
6517 snprintf(ioc
->firmware_event_name
, sizeof(ioc
->firmware_event_name
),
6518 "fw_event%d", ioc
->id
);
6519 ioc
->firmware_event_thread
= create_singlethread_workqueue(
6520 ioc
->firmware_event_name
);
6521 if (!ioc
->firmware_event_thread
) {
6522 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6523 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6524 goto out_thread_fail
;
6527 ioc
->wait_for_port_enable_to_complete
= 1;
6528 if ((mpt2sas_base_attach(ioc
))) {
6529 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6530 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6531 goto out_attach_fail
;
6534 ioc
->wait_for_port_enable_to_complete
= 0;
6535 _scsih_probe_devices(ioc
);
6539 destroy_workqueue(ioc
->firmware_event_thread
);
6541 list_del(&ioc
->list
);
6542 scsi_remove_host(shost
);
6549 * _scsih_suspend - power management suspend main entry point
6550 * @pdev: PCI device struct
6551 * @state: PM state change to (usually PCI_D3)
6553 * Returns 0 success, anything else error.
6556 _scsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
6558 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6559 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
6562 mpt2sas_base_stop_watchdog(ioc
);
6563 flush_scheduled_work();
6564 scsi_block_requests(shost
);
6565 device_state
= pci_choose_state(pdev
, state
);
6566 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, entering "
6567 "operating state [D%d]\n", ioc
->name
, pdev
,
6568 pci_name(pdev
), device_state
);
6570 mpt2sas_base_free_resources(ioc
);
6571 pci_save_state(pdev
);
6572 pci_disable_device(pdev
);
6573 pci_set_power_state(pdev
, device_state
);
6578 * _scsih_resume - power management resume main entry point
6579 * @pdev: PCI device struct
6581 * Returns 0 success, anything else error.
6584 _scsih_resume(struct pci_dev
*pdev
)
6586 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
6587 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
6588 u32 device_state
= pdev
->current_state
;
6591 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, previous "
6592 "operating state [D%d]\n", ioc
->name
, pdev
,
6593 pci_name(pdev
), device_state
);
6595 pci_set_power_state(pdev
, PCI_D0
);
6596 pci_enable_wake(pdev
, PCI_D0
, 0);
6597 pci_restore_state(pdev
);
6599 r
= mpt2sas_base_map_resources(ioc
);
6603 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
, SOFT_RESET
);
6604 scsi_unblock_requests(shost
);
6605 mpt2sas_base_start_watchdog(ioc
);
6608 #endif /* CONFIG_PM */
6611 static struct pci_driver scsih_driver
= {
6612 .name
= MPT2SAS_DRIVER_NAME
,
6613 .id_table
= scsih_pci_table
,
6614 .probe
= _scsih_probe
,
6615 .remove
= __devexit_p(_scsih_remove
),
6616 .shutdown
= _scsih_shutdown
,
6618 .suspend
= _scsih_suspend
,
6619 .resume
= _scsih_resume
,
6623 /* raid transport support */
6624 static struct raid_function_template mpt2sas_raid_functions
= {
6625 .cookie
= &scsih_driver_template
,
6626 .is_raid
= _scsih_is_raid
,
6627 .get_resync
= _scsih_get_resync
,
6628 .get_state
= _scsih_get_state
,
6632 * _scsih_init - main entry point for this driver.
6634 * Returns 0 success, anything else error.
6642 printk(KERN_INFO
"%s version %s loaded\n", MPT2SAS_DRIVER_NAME
,
6643 MPT2SAS_DRIVER_VERSION
);
6645 mpt2sas_transport_template
=
6646 sas_attach_transport(&mpt2sas_transport_functions
);
6647 if (!mpt2sas_transport_template
)
6649 /* raid transport support */
6650 mpt2sas_raid_template
= raid_class_attach(&mpt2sas_raid_functions
);
6651 if (!mpt2sas_raid_template
) {
6652 sas_release_transport(mpt2sas_transport_template
);
6656 mpt2sas_base_initialize_callback_handler();
6658 /* queuecommand callback hander */
6659 scsi_io_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_io_done
);
6661 /* task managment callback handler */
6662 tm_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_tm_done
);
6664 /* base internal commands callback handler */
6665 base_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_base_done
);
6667 /* transport internal commands callback handler */
6668 transport_cb_idx
= mpt2sas_base_register_callback_handler(
6669 mpt2sas_transport_done
);
6671 /* scsih internal commands callback handler */
6672 scsih_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_done
);
6674 /* configuration page API internal commands callback handler */
6675 config_cb_idx
= mpt2sas_base_register_callback_handler(
6676 mpt2sas_config_done
);
6678 /* ctl module callback handler */
6679 ctl_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_ctl_done
);
6681 tm_tr_cb_idx
= mpt2sas_base_register_callback_handler(
6682 _scsih_tm_tr_complete
);
6683 tm_sas_control_cb_idx
= mpt2sas_base_register_callback_handler(
6684 _scsih_sas_control_complete
);
6688 error
= pci_register_driver(&scsih_driver
);
6690 /* raid transport support */
6691 raid_class_release(mpt2sas_raid_template
);
6692 sas_release_transport(mpt2sas_transport_template
);
6699 * _scsih_exit - exit point for this driver (when it is a module).
6701 * Returns 0 success, anything else error.
6706 printk(KERN_INFO
"mpt2sas version %s unloading\n",
6707 MPT2SAS_DRIVER_VERSION
);
6709 pci_unregister_driver(&scsih_driver
);
6713 mpt2sas_base_release_callback_handler(scsi_io_cb_idx
);
6714 mpt2sas_base_release_callback_handler(tm_cb_idx
);
6715 mpt2sas_base_release_callback_handler(base_cb_idx
);
6716 mpt2sas_base_release_callback_handler(transport_cb_idx
);
6717 mpt2sas_base_release_callback_handler(scsih_cb_idx
);
6718 mpt2sas_base_release_callback_handler(config_cb_idx
);
6719 mpt2sas_base_release_callback_handler(ctl_cb_idx
);
6721 mpt2sas_base_release_callback_handler(tm_tr_cb_idx
);
6722 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx
);
6724 /* raid transport support */
6725 raid_class_release(mpt2sas_raid_template
);
6726 sas_release_transport(mpt2sas_transport_template
);
6730 module_init(_scsih_init
);
6731 module_exit(_scsih_exit
);