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) 2007-2014 LSI Corporation
6 * Copyright (C) 20013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
37 * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
39 * You should have received a copy of the GNU General Public License
40 * along with this program; if not, write to the Free Software
41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/blkdev.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/delay.h>
53 #include <linux/pci.h>
54 #include <linux/interrupt.h>
55 #include <linux/aer.h>
56 #include <linux/raid_class.h>
57 #include <linux/slab.h>
59 #include <asm/unaligned.h>
61 #include "mpt2sas_base.h"
63 MODULE_AUTHOR(MPT2SAS_AUTHOR
);
64 MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION
);
65 MODULE_LICENSE("GPL");
66 MODULE_VERSION(MPT2SAS_DRIVER_VERSION
);
68 #define RAID_CHANNEL 1
71 static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
72 struct _sas_node
*sas_expander
);
73 static void _firmware_event_work(struct work_struct
*work
);
75 static u8
_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
);
77 static void _scsih_scan_start(struct Scsi_Host
*shost
);
78 static int _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
);
80 /* global parameters */
81 LIST_HEAD(mpt2sas_ioc_list
);
82 /* global ioc lock for list operations */
83 DEFINE_SPINLOCK(gioc_lock
);
84 /* local parameters */
85 static u8 scsi_io_cb_idx
= -1;
86 static u8 tm_cb_idx
= -1;
87 static u8 ctl_cb_idx
= -1;
88 static u8 base_cb_idx
= -1;
89 static u8 port_enable_cb_idx
= -1;
90 static u8 transport_cb_idx
= -1;
91 static u8 scsih_cb_idx
= -1;
92 static u8 config_cb_idx
= -1;
95 static u8 tm_tr_cb_idx
= -1 ;
96 static u8 tm_tr_volume_cb_idx
= -1 ;
97 static u8 tm_sas_control_cb_idx
= -1;
99 /* command line options */
100 static u32 logging_level
;
101 MODULE_PARM_DESC(logging_level
, " bits for enabling additional logging info "
104 static ushort max_sectors
= 0xFFFF;
105 module_param(max_sectors
, ushort
, 0);
106 MODULE_PARM_DESC(max_sectors
, "max sectors, range 64 to 32767 default=32767");
108 static int missing_delay
[2] = {-1, -1};
109 module_param_array(missing_delay
, int, NULL
, 0);
110 MODULE_PARM_DESC(missing_delay
, " device missing delay , io missing delay");
112 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
113 #define MPT2SAS_MAX_LUN (16895)
114 static int max_lun
= MPT2SAS_MAX_LUN
;
115 module_param(max_lun
, int, 0);
116 MODULE_PARM_DESC(max_lun
, " max lun, default=16895 ");
118 /* diag_buffer_enable is bitwise
120 * bit 1 set = SNAPSHOT
121 * bit 2 set = EXTENDED
123 * Either bit can be set, or both
125 static int diag_buffer_enable
= -1;
126 module_param(diag_buffer_enable
, int, 0);
127 MODULE_PARM_DESC(diag_buffer_enable
, " post diag buffers "
128 "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
130 static int disable_discovery
= -1;
131 module_param(disable_discovery
, int, 0);
132 MODULE_PARM_DESC(disable_discovery
, " disable discovery ");
134 /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
135 static int prot_mask
= 0;
136 module_param(prot_mask
, int, 0);
137 MODULE_PARM_DESC(prot_mask
, " host protection capabilities mask, def=7 ");
140 * struct sense_info - common structure for obtaining sense keys
142 * @asc: additional sense code
143 * @ascq: additional sense code qualifier
152 #define MPT2SAS_TURN_ON_PFA_LED (0xFFFC)
153 #define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD)
154 #define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
156 * struct fw_event_work - firmware event struct
157 * @list: link list framework
158 * @work: work object (ioc->fault_reset_work_q)
159 * @cancel_pending_work: flag set during reset handling
160 * @ioc: per adapter object
161 * @device_handle: device handle
162 * @VF_ID: virtual function id
163 * @VP_ID: virtual port id
164 * @ignore: flag meaning this event has been marked to ignore
165 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
166 * @event_data: reply event data payload follows
168 * This object stored on ioc->fw_event_list.
170 struct fw_event_work
{
171 struct list_head list
;
172 u8 cancel_pending_work
;
173 struct delayed_work delayed_work
;
174 struct MPT2SAS_ADAPTER
*ioc
;
180 struct kref refcount
;
181 char event_data
[0] __aligned(4);
184 static void fw_event_work_free(struct kref
*r
)
186 kfree(container_of(r
, struct fw_event_work
, refcount
));
189 static void fw_event_work_get(struct fw_event_work
*fw_work
)
191 kref_get(&fw_work
->refcount
);
194 static void fw_event_work_put(struct fw_event_work
*fw_work
)
196 kref_put(&fw_work
->refcount
, fw_event_work_free
);
199 static struct fw_event_work
*alloc_fw_event_work(int len
)
201 struct fw_event_work
*fw_event
;
203 fw_event
= kzalloc(sizeof(*fw_event
) + len
, GFP_ATOMIC
);
207 kref_init(&fw_event
->refcount
);
211 /* raid transport support */
212 static struct raid_template
*mpt2sas_raid_template
;
215 * struct _scsi_io_transfer - scsi io transfer
216 * @handle: sas device handle (assigned by firmware)
217 * @is_raid: flag set for hidden raid components
218 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
219 * @data_length: data transfer length
220 * @data_dma: dma pointer to data
223 * @cdb_length: cdb length
225 * @timeout: timeout for this command
226 * @VF_ID: virtual function id
227 * @VP_ID: virtual port id
228 * @valid_reply: flag set for reply message
229 * @sense_length: sense length
230 * @ioc_status: ioc status
231 * @scsi_state: scsi state
232 * @scsi_status: scsi staus
233 * @log_info: log information
234 * @transfer_length: data length transfer when there is a reply message
236 * Used for sending internal scsi commands to devices within this module.
237 * Refer to _scsi_send_scsi_io().
239 struct _scsi_io_transfer
{
242 enum dma_data_direction dir
;
245 u8 sense
[SCSI_SENSE_BUFFERSIZE
];
253 /* the following bits are only valid when 'valid_reply = 1' */
263 * The pci device ids are defined in mpi/mpi2_cnfg.h.
265 static struct pci_device_id scsih_pci_table
[] = {
266 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2004
,
267 PCI_ANY_ID
, PCI_ANY_ID
},
269 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2008
,
270 PCI_ANY_ID
, PCI_ANY_ID
},
271 /* Liberator ~ 2108 */
272 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_1
,
273 PCI_ANY_ID
, PCI_ANY_ID
},
274 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_2
,
275 PCI_ANY_ID
, PCI_ANY_ID
},
276 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_3
,
277 PCI_ANY_ID
, PCI_ANY_ID
},
279 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_1
,
280 PCI_ANY_ID
, PCI_ANY_ID
},
281 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_2
,
282 PCI_ANY_ID
, PCI_ANY_ID
},
283 /* Thunderbolt ~ 2208 */
284 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_1
,
285 PCI_ANY_ID
, PCI_ANY_ID
},
286 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_2
,
287 PCI_ANY_ID
, PCI_ANY_ID
},
288 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_3
,
289 PCI_ANY_ID
, PCI_ANY_ID
},
290 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_4
,
291 PCI_ANY_ID
, PCI_ANY_ID
},
292 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_5
,
293 PCI_ANY_ID
, PCI_ANY_ID
},
294 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_6
,
295 PCI_ANY_ID
, PCI_ANY_ID
},
297 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_1
,
298 PCI_ANY_ID
, PCI_ANY_ID
},
299 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_2
,
300 PCI_ANY_ID
, PCI_ANY_ID
},
301 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_3
,
302 PCI_ANY_ID
, PCI_ANY_ID
},
304 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SSS6200
,
305 PCI_ANY_ID
, PCI_ANY_ID
},
306 {0} /* Terminating entry */
308 MODULE_DEVICE_TABLE(pci
, scsih_pci_table
);
311 * _scsih_set_debug_level - global setting of ioc->logging_level.
313 * Note: The logging levels are defined in mpt2sas_debug.h.
316 _scsih_set_debug_level(const char *val
, struct kernel_param
*kp
)
318 int ret
= param_set_int(val
, kp
);
319 struct MPT2SAS_ADAPTER
*ioc
;
324 printk(KERN_INFO
"setting logging_level(0x%08x)\n", logging_level
);
325 spin_lock(&gioc_lock
);
326 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
)
327 ioc
->logging_level
= logging_level
;
328 spin_unlock(&gioc_lock
);
331 module_param_call(logging_level
, _scsih_set_debug_level
, param_get_int
,
332 &logging_level
, 0644);
335 * _scsih_srch_boot_sas_address - search based on sas_address
336 * @sas_address: sas address
337 * @boot_device: boot device object from bios page 2
339 * Returns 1 when there's a match, 0 means no match.
342 _scsih_srch_boot_sas_address(u64 sas_address
,
343 Mpi2BootDeviceSasWwid_t
*boot_device
)
345 return (sas_address
== le64_to_cpu(boot_device
->SASAddress
)) ? 1 : 0;
349 * _scsih_srch_boot_device_name - search based on device name
350 * @device_name: device name specified in INDENTIFY fram
351 * @boot_device: boot device object from bios page 2
353 * Returns 1 when there's a match, 0 means no match.
356 _scsih_srch_boot_device_name(u64 device_name
,
357 Mpi2BootDeviceDeviceName_t
*boot_device
)
359 return (device_name
== le64_to_cpu(boot_device
->DeviceName
)) ? 1 : 0;
363 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
364 * @enclosure_logical_id: enclosure logical id
365 * @slot_number: slot number
366 * @boot_device: boot device object from bios page 2
368 * Returns 1 when there's a match, 0 means no match.
371 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id
, u16 slot_number
,
372 Mpi2BootDeviceEnclosureSlot_t
*boot_device
)
374 return (enclosure_logical_id
== le64_to_cpu(boot_device
->
375 EnclosureLogicalID
) && slot_number
== le16_to_cpu(boot_device
->
376 SlotNumber
)) ? 1 : 0;
380 * _scsih_is_boot_device - search for matching boot device.
381 * @sas_address: sas address
382 * @device_name: device name specified in INDENTIFY fram
383 * @enclosure_logical_id: enclosure logical id
384 * @slot_number: slot number
385 * @form: specifies boot device form
386 * @boot_device: boot device object from bios page 2
388 * Returns 1 when there's a match, 0 means no match.
391 _scsih_is_boot_device(u64 sas_address
, u64 device_name
,
392 u64 enclosure_logical_id
, u16 slot
, u8 form
,
393 Mpi2BiosPage2BootDevice_t
*boot_device
)
398 case MPI2_BIOSPAGE2_FORM_SAS_WWID
:
401 rc
= _scsih_srch_boot_sas_address(
402 sas_address
, &boot_device
->SasWwid
);
404 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT
:
405 if (!enclosure_logical_id
)
407 rc
= _scsih_srch_boot_encl_slot(
408 enclosure_logical_id
,
409 slot
, &boot_device
->EnclosureSlot
);
411 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME
:
414 rc
= _scsih_srch_boot_device_name(
415 device_name
, &boot_device
->DeviceName
);
417 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
:
425 * _scsih_get_sas_address - set the sas_address for given device handle
426 * @handle: device handle
427 * @sas_address: sas address
429 * Returns 0 success, non-zero when failure
432 _scsih_get_sas_address(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
,
435 Mpi2SasDevicePage0_t sas_device_pg0
;
436 Mpi2ConfigReply_t mpi_reply
;
440 if (handle
<= ioc
->sas_hba
.num_phys
) {
441 *sas_address
= ioc
->sas_hba
.sas_address
;
445 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
446 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
447 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
448 __FILE__
, __LINE__
, __func__
);
452 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
453 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
454 *sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
458 /* we hit this becuase the given parent handle doesn't exist */
459 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
461 /* else error case */
462 printk(MPT2SAS_ERR_FMT
"handle(0x%04x), ioc_status(0x%04x), "
463 "failure at %s:%d/%s()!\n", ioc
->name
, handle
, ioc_status
,
464 __FILE__
, __LINE__
, __func__
);
469 * _scsih_determine_boot_device - determine boot device.
470 * @ioc: per adapter object
471 * @device: either sas_device or raid_device object
472 * @is_raid: [flag] 1 = raid object, 0 = sas object
474 * Determines whether this device should be first reported device to
475 * to scsi-ml or sas transport, this purpose is for persistent boot device.
476 * There are primary, alternate, and current entries in bios page 2. The order
477 * priority is primary, alternate, then current. This routine saves
478 * the corresponding device object and is_raid flag in the ioc object.
479 * The saved data to be used later in _scsih_probe_boot_devices().
482 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER
*ioc
,
483 void *device
, u8 is_raid
)
485 struct _sas_device
*sas_device
;
486 struct _raid_device
*raid_device
;
489 u64 enclosure_logical_id
;
492 /* only process this function when driver loads */
493 if (!ioc
->is_driver_loading
)
496 /* no Bios, return immediately */
497 if (!ioc
->bios_pg3
.BiosVersion
)
502 sas_address
= sas_device
->sas_address
;
503 device_name
= sas_device
->device_name
;
504 enclosure_logical_id
= sas_device
->enclosure_logical_id
;
505 slot
= sas_device
->slot
;
507 raid_device
= device
;
508 sas_address
= raid_device
->wwid
;
510 enclosure_logical_id
= 0;
514 if (!ioc
->req_boot_device
.device
) {
515 if (_scsih_is_boot_device(sas_address
, device_name
,
516 enclosure_logical_id
, slot
,
517 (ioc
->bios_pg2
.ReqBootDeviceForm
&
518 MPI2_BIOSPAGE2_FORM_MASK
),
519 &ioc
->bios_pg2
.RequestedBootDevice
)) {
520 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
521 "%s: req_boot_device(0x%016llx)\n",
523 (unsigned long long)sas_address
));
524 ioc
->req_boot_device
.device
= device
;
525 ioc
->req_boot_device
.is_raid
= is_raid
;
529 if (!ioc
->req_alt_boot_device
.device
) {
530 if (_scsih_is_boot_device(sas_address
, device_name
,
531 enclosure_logical_id
, slot
,
532 (ioc
->bios_pg2
.ReqAltBootDeviceForm
&
533 MPI2_BIOSPAGE2_FORM_MASK
),
534 &ioc
->bios_pg2
.RequestedAltBootDevice
)) {
535 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
536 "%s: req_alt_boot_device(0x%016llx)\n",
538 (unsigned long long)sas_address
));
539 ioc
->req_alt_boot_device
.device
= device
;
540 ioc
->req_alt_boot_device
.is_raid
= is_raid
;
544 if (!ioc
->current_boot_device
.device
) {
545 if (_scsih_is_boot_device(sas_address
, device_name
,
546 enclosure_logical_id
, slot
,
547 (ioc
->bios_pg2
.CurrentBootDeviceForm
&
548 MPI2_BIOSPAGE2_FORM_MASK
),
549 &ioc
->bios_pg2
.CurrentBootDevice
)) {
550 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
551 "%s: current_boot_device(0x%016llx)\n",
553 (unsigned long long)sas_address
));
554 ioc
->current_boot_device
.device
= device
;
555 ioc
->current_boot_device
.is_raid
= is_raid
;
560 static struct _sas_device
*
561 __mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER
*ioc
,
562 struct MPT2SAS_TARGET
*tgt_priv
)
564 struct _sas_device
*ret
;
566 assert_spin_locked(&ioc
->sas_device_lock
);
568 ret
= tgt_priv
->sdev
;
575 static struct _sas_device
*
576 mpt2sas_get_sdev_from_target(struct MPT2SAS_ADAPTER
*ioc
,
577 struct MPT2SAS_TARGET
*tgt_priv
)
579 struct _sas_device
*ret
;
582 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
583 ret
= __mpt2sas_get_sdev_from_target(ioc
, tgt_priv
);
584 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
591 __mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER
*ioc
,
594 struct _sas_device
*sas_device
;
596 assert_spin_locked(&ioc
->sas_device_lock
);
598 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
599 if (sas_device
->sas_address
== sas_address
)
602 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
603 if (sas_device
->sas_address
== sas_address
)
609 sas_device_get(sas_device
);
614 * mpt2sas_get_sdev_by_addr - sas device search
615 * @ioc: per adapter object
616 * @sas_address: sas address
617 * Context: Calling function should acquire ioc->sas_device_lock
619 * This searches for sas_device based on sas_address, then return sas_device
623 mpt2sas_get_sdev_by_addr(struct MPT2SAS_ADAPTER
*ioc
,
626 struct _sas_device
*sas_device
;
629 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
630 sas_device
= __mpt2sas_get_sdev_by_addr(ioc
,
632 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
637 static struct _sas_device
*
638 __mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
640 struct _sas_device
*sas_device
;
642 assert_spin_locked(&ioc
->sas_device_lock
);
644 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
645 if (sas_device
->handle
== handle
)
648 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
649 if (sas_device
->handle
== handle
)
655 sas_device_get(sas_device
);
660 * mpt2sas_get_sdev_by_handle - sas device search
661 * @ioc: per adapter object
662 * @handle: sas device handle (assigned by firmware)
663 * Context: Calling function should acquire ioc->sas_device_lock
665 * This searches for sas_device based on sas_address, then return sas_device
668 static struct _sas_device
*
669 mpt2sas_get_sdev_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
671 struct _sas_device
*sas_device
;
674 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
675 sas_device
= __mpt2sas_get_sdev_by_handle(ioc
, handle
);
676 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
682 * _scsih_sas_device_remove - remove sas_device from list.
683 * @ioc: per adapter object
684 * @sas_device: the sas_device object
685 * Context: This function will acquire ioc->sas_device_lock.
687 * If sas_device is on the list, remove it and decrement its reference count.
690 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
691 struct _sas_device
*sas_device
)
699 * The lock serializes access to the list, but we still need to verify
700 * that nobody removed the entry while we were waiting on the lock.
702 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
703 if (!list_empty(&sas_device
->list
)) {
704 list_del_init(&sas_device
->list
);
705 sas_device_put(sas_device
);
707 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
712 * _scsih_sas_device_add - insert sas_device to the list.
713 * @ioc: per adapter object
714 * @sas_device: the sas_device object
715 * Context: This function will acquire ioc->sas_device_lock.
717 * Adding new object to the ioc->sas_device_list.
720 _scsih_sas_device_add(struct MPT2SAS_ADAPTER
*ioc
,
721 struct _sas_device
*sas_device
)
725 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
726 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
727 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
729 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
730 sas_device_get(sas_device
);
731 list_add_tail(&sas_device
->list
, &ioc
->sas_device_list
);
732 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
734 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
735 sas_device
->sas_address_parent
)) {
736 _scsih_sas_device_remove(ioc
, sas_device
);
737 } else if (!sas_device
->starget
) {
738 /* When asyn scanning is enabled, its not possible to remove
739 * devices while scanning is turned on due to an oops in
740 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
742 if (!ioc
->is_driver_loading
) {
743 mpt2sas_transport_port_remove(ioc
,
744 sas_device
->sas_address
,
745 sas_device
->sas_address_parent
);
746 _scsih_sas_device_remove(ioc
, sas_device
);
752 * _scsih_sas_device_init_add - insert sas_device to the list.
753 * @ioc: per adapter object
754 * @sas_device: the sas_device object
755 * Context: This function will acquire ioc->sas_device_lock.
757 * Adding new object at driver load time to the ioc->sas_device_init_list.
760 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER
*ioc
,
761 struct _sas_device
*sas_device
)
765 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
766 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
767 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
769 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
770 sas_device_get(sas_device
);
771 list_add_tail(&sas_device
->list
, &ioc
->sas_device_init_list
);
772 _scsih_determine_boot_device(ioc
, sas_device
, 0);
773 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
777 * _scsih_raid_device_find_by_id - raid device search
778 * @ioc: per adapter object
779 * @id: sas device target id
780 * @channel: sas device channel
781 * Context: Calling function should acquire ioc->raid_device_lock
783 * This searches for raid_device based on target id, then return raid_device
786 static struct _raid_device
*
787 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER
*ioc
, int id
, int channel
)
789 struct _raid_device
*raid_device
, *r
;
792 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
793 if (raid_device
->id
== id
&& raid_device
->channel
== channel
) {
804 * _scsih_raid_device_find_by_handle - raid device search
805 * @ioc: per adapter object
806 * @handle: sas device handle (assigned by firmware)
807 * Context: Calling function should acquire ioc->raid_device_lock
809 * This searches for raid_device based on handle, then return raid_device
812 static struct _raid_device
*
813 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
815 struct _raid_device
*raid_device
, *r
;
818 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
819 if (raid_device
->handle
!= handle
)
830 * _scsih_raid_device_find_by_wwid - raid device search
831 * @ioc: per adapter object
832 * @handle: sas device handle (assigned by firmware)
833 * Context: Calling function should acquire ioc->raid_device_lock
835 * This searches for raid_device based on wwid, then return raid_device
838 static struct _raid_device
*
839 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
)
841 struct _raid_device
*raid_device
, *r
;
844 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
845 if (raid_device
->wwid
!= wwid
)
856 * _scsih_raid_device_add - add raid_device object
857 * @ioc: per adapter object
858 * @raid_device: raid_device object
860 * This is added to the raid_device_list link list.
863 _scsih_raid_device_add(struct MPT2SAS_ADAPTER
*ioc
,
864 struct _raid_device
*raid_device
)
868 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
869 "(0x%04x), wwid(0x%016llx)\n", ioc
->name
, __func__
,
870 raid_device
->handle
, (unsigned long long)raid_device
->wwid
));
872 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
873 list_add_tail(&raid_device
->list
, &ioc
->raid_device_list
);
874 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
878 * _scsih_raid_device_remove - delete raid_device object
879 * @ioc: per adapter object
880 * @raid_device: raid_device object
884 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
885 struct _raid_device
*raid_device
)
889 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
890 list_del(&raid_device
->list
);
892 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
896 * mpt2sas_scsih_expander_find_by_handle - expander device search
897 * @ioc: per adapter object
898 * @handle: expander handle (assigned by firmware)
899 * Context: Calling function should acquire ioc->sas_device_lock
901 * This searches for expander device based on handle, then returns the
905 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
907 struct _sas_node
*sas_expander
, *r
;
910 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
911 if (sas_expander
->handle
!= handle
)
921 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
922 * @ioc: per adapter object
923 * @sas_address: sas address
924 * Context: Calling function should acquire ioc->sas_node_lock.
926 * This searches for expander device based on sas_address, then returns the
930 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
933 struct _sas_node
*sas_expander
, *r
;
936 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
937 if (sas_expander
->sas_address
!= sas_address
)
947 * _scsih_expander_node_add - insert expander device to the list.
948 * @ioc: per adapter object
949 * @sas_expander: the sas_device object
950 * Context: This function will acquire ioc->sas_node_lock.
952 * Adding new object to the ioc->sas_expander_list.
957 _scsih_expander_node_add(struct MPT2SAS_ADAPTER
*ioc
,
958 struct _sas_node
*sas_expander
)
962 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
963 list_add_tail(&sas_expander
->list
, &ioc
->sas_expander_list
);
964 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
968 * _scsih_is_end_device - determines if device is an end device
969 * @device_info: bitfield providing information about the device.
972 * Returns 1 if end device.
975 _scsih_is_end_device(u32 device_info
)
977 if (device_info
& MPI2_SAS_DEVICE_INFO_END_DEVICE
&&
978 ((device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) |
979 (device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
) |
980 (device_info
& MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)))
987 * _scsih_scsi_lookup_get - returns scmd entry
988 * @ioc: per adapter object
989 * @smid: system request message index
991 * Returns the smid stored scmd pointer.
993 static struct scsi_cmnd
*
994 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
996 return ioc
->scsi_lookup
[smid
- 1].scmd
;
1000 * _scsih_scsi_lookup_get_clear - returns scmd entry
1001 * @ioc: per adapter object
1002 * @smid: system request message index
1004 * Returns the smid stored scmd pointer.
1005 * Then will derefrence the stored scmd pointer.
1007 static inline struct scsi_cmnd
*
1008 _scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1010 unsigned long flags
;
1011 struct scsi_cmnd
*scmd
;
1013 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1014 scmd
= ioc
->scsi_lookup
[smid
- 1].scmd
;
1015 ioc
->scsi_lookup
[smid
- 1].scmd
= NULL
;
1016 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1022 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
1023 * @ioc: per adapter object
1024 * @smid: system request message index
1025 * @scmd: pointer to scsi command object
1026 * Context: This function will acquire ioc->scsi_lookup_lock.
1028 * This will search for a scmd pointer in the scsi_lookup array,
1029 * returning the revelent smid. A returned value of zero means invalid.
1032 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
1036 unsigned long flags
;
1039 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1041 for (i
= 0; i
< ioc
->scsiio_depth
; i
++) {
1042 if (ioc
->scsi_lookup
[i
].scmd
== scmd
) {
1043 smid
= ioc
->scsi_lookup
[i
].smid
;
1048 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1053 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
1054 * @ioc: per adapter object
1057 * Context: This function will acquire ioc->scsi_lookup_lock.
1059 * This will search for a matching channel:id in the scsi_lookup array,
1060 * returning 1 if found.
1063 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER
*ioc
, int id
,
1067 unsigned long flags
;
1070 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1072 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
1073 if (ioc
->scsi_lookup
[i
].scmd
&&
1074 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
1075 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
)) {
1081 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1086 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1087 * @ioc: per adapter object
1091 * Context: This function will acquire ioc->scsi_lookup_lock.
1093 * This will search for a matching channel:id:lun in the scsi_lookup array,
1094 * returning 1 if found.
1097 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER
*ioc
, int id
,
1098 unsigned int lun
, int channel
)
1101 unsigned long flags
;
1104 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1106 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
1107 if (ioc
->scsi_lookup
[i
].scmd
&&
1108 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
1109 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
&&
1110 ioc
->scsi_lookup
[i
].scmd
->device
->lun
== lun
)) {
1116 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1121 * _scsih_get_chain_buffer_tracker - obtain chain tracker
1122 * @ioc: per adapter object
1123 * @smid: smid associated to an IO request
1125 * Returns chain tracker(from ioc->free_chain_list)
1127 static struct chain_tracker
*
1128 _scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1130 struct chain_tracker
*chain_req
;
1131 unsigned long flags
;
1133 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1134 if (list_empty(&ioc
->free_chain_list
)) {
1135 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1136 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
"chain buffers not "
1137 "available\n", ioc
->name
));
1140 chain_req
= list_entry(ioc
->free_chain_list
.next
,
1141 struct chain_tracker
, tracker_list
);
1142 list_del_init(&chain_req
->tracker_list
);
1143 list_add_tail(&chain_req
->tracker_list
,
1144 &ioc
->scsi_lookup
[smid
- 1].chain_list
);
1145 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1150 * _scsih_build_scatter_gather - main sg creation routine
1151 * @ioc: per adapter object
1152 * @scmd: scsi command
1153 * @smid: system request message index
1156 * The main routine that builds scatter gather table from a given
1157 * scsi request sent via the .queuecommand main handler.
1159 * Returns 0 success, anything else error
1162 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER
*ioc
,
1163 struct scsi_cmnd
*scmd
, u16 smid
)
1165 Mpi2SCSIIORequest_t
*mpi_request
;
1166 dma_addr_t chain_dma
;
1167 struct scatterlist
*sg_scmd
;
1168 void *sg_local
, *chain
;
1173 u32 sges_in_segment
;
1175 u32 sgl_flags_last_element
;
1176 u32 sgl_flags_end_buffer
;
1177 struct chain_tracker
*chain_req
;
1179 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
1181 /* init scatter gather flags */
1182 sgl_flags
= MPI2_SGE_FLAGS_SIMPLE_ELEMENT
;
1183 if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
1184 sgl_flags
|= MPI2_SGE_FLAGS_HOST_TO_IOC
;
1185 sgl_flags_last_element
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
)
1186 << MPI2_SGE_FLAGS_SHIFT
;
1187 sgl_flags_end_buffer
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
|
1188 MPI2_SGE_FLAGS_END_OF_BUFFER
| MPI2_SGE_FLAGS_END_OF_LIST
)
1189 << MPI2_SGE_FLAGS_SHIFT
;
1190 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
1192 sg_scmd
= scsi_sglist(scmd
);
1193 sges_left
= scsi_dma_map(scmd
);
1194 if (sges_left
< 0) {
1195 sdev_printk(KERN_ERR
, scmd
->device
, "pci_map_sg"
1196 " failed: request for %d bytes!\n", scsi_bufflen(scmd
));
1200 sg_local
= &mpi_request
->SGL
;
1201 sges_in_segment
= ioc
->max_sges_in_main_message
;
1202 if (sges_left
<= sges_in_segment
)
1203 goto fill_in_last_segment
;
1205 mpi_request
->ChainOffset
= (offsetof(Mpi2SCSIIORequest_t
, SGL
) +
1206 (sges_in_segment
* ioc
->sge_size
))/4;
1208 /* fill in main message segment when there is a chain following */
1209 while (sges_in_segment
) {
1210 if (sges_in_segment
== 1)
1211 ioc
->base_add_sg_single(sg_local
,
1212 sgl_flags_last_element
| sg_dma_len(sg_scmd
),
1213 sg_dma_address(sg_scmd
));
1215 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1216 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1217 sg_scmd
= sg_next(sg_scmd
);
1218 sg_local
+= ioc
->sge_size
;
1223 /* initializing the chain flags and pointers */
1224 chain_flags
= MPI2_SGE_FLAGS_CHAIN_ELEMENT
<< MPI2_SGE_FLAGS_SHIFT
;
1225 chain_req
= _scsih_get_chain_buffer_tracker(ioc
, smid
);
1228 chain
= chain_req
->chain_buffer
;
1229 chain_dma
= chain_req
->chain_buffer_dma
;
1231 sges_in_segment
= (sges_left
<=
1232 ioc
->max_sges_in_chain_message
) ? sges_left
:
1233 ioc
->max_sges_in_chain_message
;
1234 chain_offset
= (sges_left
== sges_in_segment
) ?
1235 0 : (sges_in_segment
* ioc
->sge_size
)/4;
1236 chain_length
= sges_in_segment
* ioc
->sge_size
;
1238 chain_offset
= chain_offset
<<
1239 MPI2_SGE_CHAIN_OFFSET_SHIFT
;
1240 chain_length
+= ioc
->sge_size
;
1242 ioc
->base_add_sg_single(sg_local
, chain_flags
| chain_offset
|
1243 chain_length
, chain_dma
);
1246 goto fill_in_last_segment
;
1248 /* fill in chain segments */
1249 while (sges_in_segment
) {
1250 if (sges_in_segment
== 1)
1251 ioc
->base_add_sg_single(sg_local
,
1252 sgl_flags_last_element
|
1253 sg_dma_len(sg_scmd
),
1254 sg_dma_address(sg_scmd
));
1256 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1257 sg_dma_len(sg_scmd
),
1258 sg_dma_address(sg_scmd
));
1259 sg_scmd
= sg_next(sg_scmd
);
1260 sg_local
+= ioc
->sge_size
;
1265 chain_req
= _scsih_get_chain_buffer_tracker(ioc
, smid
);
1268 chain
= chain_req
->chain_buffer
;
1269 chain_dma
= chain_req
->chain_buffer_dma
;
1273 fill_in_last_segment
:
1275 /* fill the last segment */
1278 ioc
->base_add_sg_single(sg_local
, sgl_flags_end_buffer
|
1279 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1281 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1282 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1283 sg_scmd
= sg_next(sg_scmd
);
1284 sg_local
+= ioc
->sge_size
;
1292 * _scsih_change_queue_depth - setting device queue depth
1293 * @sdev: scsi device struct
1294 * @qdepth: requested queue depth
1296 * Returns queue depth.
1299 _scsih_change_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1301 struct Scsi_Host
*shost
= sdev
->host
;
1303 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1304 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1305 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1306 struct _sas_device
*sas_device
;
1307 unsigned long flags
;
1309 max_depth
= shost
->can_queue
;
1311 /* limit max device queue for SATA to 32 */
1312 sas_device_priv_data
= sdev
->hostdata
;
1313 if (!sas_device_priv_data
)
1315 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1316 if (!sas_target_priv_data
)
1318 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))
1321 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1322 sas_device
= __mpt2sas_get_sdev_from_target(ioc
, sas_target_priv_data
);
1324 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1325 max_depth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1327 sas_device_put(sas_device
);
1329 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1332 if (!sdev
->tagged_supported
)
1334 if (qdepth
> max_depth
)
1336 return scsi_change_queue_depth(sdev
, qdepth
);
1340 * _scsih_target_alloc - target add routine
1341 * @starget: scsi target struct
1343 * Returns 0 if ok. Any other return is assumed to be an error and
1344 * the device is ignored.
1347 _scsih_target_alloc(struct scsi_target
*starget
)
1349 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1350 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1351 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1352 struct _sas_device
*sas_device
;
1353 struct _raid_device
*raid_device
;
1354 unsigned long flags
;
1355 struct sas_rphy
*rphy
;
1357 sas_target_priv_data
= kzalloc(sizeof(*sas_target_priv_data
),
1359 if (!sas_target_priv_data
)
1362 starget
->hostdata
= sas_target_priv_data
;
1363 sas_target_priv_data
->starget
= starget
;
1364 sas_target_priv_data
->handle
= MPT2SAS_INVALID_DEVICE_HANDLE
;
1367 if (starget
->channel
== RAID_CHANNEL
) {
1368 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1369 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1372 sas_target_priv_data
->handle
= raid_device
->handle
;
1373 sas_target_priv_data
->sas_address
= raid_device
->wwid
;
1374 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_VOLUME
;
1375 if (ioc
->is_warpdrive
)
1376 sas_target_priv_data
->raid_device
= raid_device
;
1377 raid_device
->starget
= starget
;
1379 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1383 /* sas/sata devices */
1384 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1385 rphy
= dev_to_rphy(starget
->dev
.parent
);
1386 sas_device
= __mpt2sas_get_sdev_by_addr(ioc
,
1387 rphy
->identify
.sas_address
);
1390 sas_target_priv_data
->handle
= sas_device
->handle
;
1391 sas_target_priv_data
->sas_address
= sas_device
->sas_address
;
1392 sas_target_priv_data
->sdev
= sas_device
;
1393 sas_device
->starget
= starget
;
1394 sas_device
->id
= starget
->id
;
1395 sas_device
->channel
= starget
->channel
;
1396 if (test_bit(sas_device
->handle
, ioc
->pd_handles
))
1397 sas_target_priv_data
->flags
|=
1398 MPT_TARGET_FLAGS_RAID_COMPONENT
;
1401 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1407 * _scsih_target_destroy - target destroy routine
1408 * @starget: scsi target struct
1413 _scsih_target_destroy(struct scsi_target
*starget
)
1415 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1416 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1417 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1418 struct _sas_device
*sas_device
;
1419 struct _raid_device
*raid_device
;
1420 unsigned long flags
;
1421 struct sas_rphy
*rphy
;
1423 sas_target_priv_data
= starget
->hostdata
;
1424 if (!sas_target_priv_data
)
1427 if (starget
->channel
== RAID_CHANNEL
) {
1428 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1429 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1432 raid_device
->starget
= NULL
;
1433 raid_device
->sdev
= NULL
;
1435 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1439 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1440 rphy
= dev_to_rphy(starget
->dev
.parent
);
1441 sas_device
= __mpt2sas_get_sdev_from_target(ioc
, sas_target_priv_data
);
1442 if (sas_device
&& (sas_device
->starget
== starget
) &&
1443 (sas_device
->id
== starget
->id
) &&
1444 (sas_device
->channel
== starget
->channel
))
1445 sas_device
->starget
= NULL
;
1449 * Corresponding get() is in _scsih_target_alloc()
1451 sas_target_priv_data
->sdev
= NULL
;
1452 sas_device_put(sas_device
);
1454 sas_device_put(sas_device
);
1456 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1459 kfree(sas_target_priv_data
);
1460 starget
->hostdata
= NULL
;
1464 * _scsih_slave_alloc - device add routine
1465 * @sdev: scsi device struct
1467 * Returns 0 if ok. Any other return is assumed to be an error and
1468 * the device is ignored.
1471 _scsih_slave_alloc(struct scsi_device
*sdev
)
1473 struct Scsi_Host
*shost
;
1474 struct MPT2SAS_ADAPTER
*ioc
;
1475 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1476 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1477 struct scsi_target
*starget
;
1478 struct _raid_device
*raid_device
;
1479 struct _sas_device
*sas_device
;
1480 unsigned long flags
;
1482 sas_device_priv_data
= kzalloc(sizeof(*sas_device_priv_data
),
1484 if (!sas_device_priv_data
)
1487 sas_device_priv_data
->lun
= sdev
->lun
;
1488 sas_device_priv_data
->flags
= MPT_DEVICE_FLAGS_INIT
;
1490 starget
= scsi_target(sdev
);
1491 sas_target_priv_data
= starget
->hostdata
;
1492 sas_target_priv_data
->num_luns
++;
1493 sas_device_priv_data
->sas_target
= sas_target_priv_data
;
1494 sdev
->hostdata
= sas_device_priv_data
;
1495 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
))
1496 sdev
->no_uld_attach
= 1;
1498 shost
= dev_to_shost(&starget
->dev
);
1499 ioc
= shost_priv(shost
);
1500 if (starget
->channel
== RAID_CHANNEL
) {
1501 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1502 raid_device
= _scsih_raid_device_find_by_id(ioc
,
1503 starget
->id
, starget
->channel
);
1505 raid_device
->sdev
= sdev
; /* raid is single lun */
1506 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1509 if (!(sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
)) {
1510 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1511 sas_device
= __mpt2sas_get_sdev_by_addr(ioc
,
1512 sas_target_priv_data
->sas_address
);
1513 if (sas_device
&& (sas_device
->starget
== NULL
)) {
1514 sdev_printk(KERN_INFO
, sdev
,
1515 "%s : sas_device->starget set to starget @ %d\n",
1516 __func__
, __LINE__
);
1517 sas_device
->starget
= starget
;
1521 sas_device_put(sas_device
);
1523 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1530 * _scsih_slave_destroy - device destroy routine
1531 * @sdev: scsi device struct
1536 _scsih_slave_destroy(struct scsi_device
*sdev
)
1538 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1539 struct scsi_target
*starget
;
1540 struct Scsi_Host
*shost
;
1541 struct MPT2SAS_ADAPTER
*ioc
;
1542 struct _sas_device
*sas_device
;
1543 unsigned long flags
;
1545 if (!sdev
->hostdata
)
1548 starget
= scsi_target(sdev
);
1549 sas_target_priv_data
= starget
->hostdata
;
1550 sas_target_priv_data
->num_luns
--;
1552 shost
= dev_to_shost(&starget
->dev
);
1553 ioc
= shost_priv(shost
);
1555 if (!(sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
)) {
1556 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1557 sas_device
= __mpt2sas_get_sdev_from_target(ioc
,
1558 sas_target_priv_data
);
1559 if (sas_device
&& !sas_target_priv_data
->num_luns
)
1560 sas_device
->starget
= NULL
;
1563 sas_device_put(sas_device
);
1564 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1567 kfree(sdev
->hostdata
);
1568 sdev
->hostdata
= NULL
;
1572 * _scsih_display_sata_capabilities - sata capabilities
1573 * @ioc: per adapter object
1574 * @handle: device handle
1575 * @sdev: scsi device struct
1578 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1579 u16 handle
, struct scsi_device
*sdev
)
1581 Mpi2ConfigReply_t mpi_reply
;
1582 Mpi2SasDevicePage0_t sas_device_pg0
;
1587 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
1588 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
1589 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1590 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1594 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1595 MPI2_IOCSTATUS_MASK
;
1596 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1597 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1598 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1602 flags
= le16_to_cpu(sas_device_pg0
.Flags
);
1603 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1605 sdev_printk(KERN_INFO
, sdev
,
1606 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1607 "sw_preserve(%s)\n",
1608 (device_info
& MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE
) ? "y" : "n",
1609 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED
) ? "y" : "n",
1610 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY
) ? "y" :
1612 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED
) ? "y" : "n",
1613 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED
) ? "y" : "n",
1614 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE
) ? "y" : "n");
1618 * _scsih_is_raid - return boolean indicating device is raid volume
1619 * @dev the device struct object
1622 _scsih_is_raid(struct device
*dev
)
1624 struct scsi_device
*sdev
= to_scsi_device(dev
);
1625 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1627 if (ioc
->is_warpdrive
)
1629 return (sdev
->channel
== RAID_CHANNEL
) ? 1 : 0;
1633 * _scsih_get_resync - get raid volume resync percent complete
1634 * @dev the device struct object
1637 _scsih_get_resync(struct device
*dev
)
1639 struct scsi_device
*sdev
= to_scsi_device(dev
);
1640 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1641 static struct _raid_device
*raid_device
;
1642 unsigned long flags
;
1643 Mpi2RaidVolPage0_t vol_pg0
;
1644 Mpi2ConfigReply_t mpi_reply
;
1645 u32 volume_status_flags
;
1646 u8 percent_complete
;
1649 percent_complete
= 0;
1651 if (ioc
->is_warpdrive
)
1654 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1655 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1658 handle
= raid_device
->handle
;
1659 percent_complete
= raid_device
->percent_complete
;
1661 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1666 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1667 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1668 sizeof(Mpi2RaidVolPage0_t
))) {
1669 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1670 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1671 percent_complete
= 0;
1675 volume_status_flags
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1676 if (!(volume_status_flags
&
1677 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
))
1678 percent_complete
= 0;
1681 raid_set_resync(mpt2sas_raid_template
, dev
, percent_complete
);
1685 * _scsih_get_state - get raid volume level
1686 * @dev the device struct object
1689 _scsih_get_state(struct device
*dev
)
1691 struct scsi_device
*sdev
= to_scsi_device(dev
);
1692 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1693 static struct _raid_device
*raid_device
;
1694 unsigned long flags
;
1695 Mpi2RaidVolPage0_t vol_pg0
;
1696 Mpi2ConfigReply_t mpi_reply
;
1698 enum raid_state state
= RAID_STATE_UNKNOWN
;
1701 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1702 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1705 handle
= raid_device
->handle
;
1706 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1711 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1712 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1713 sizeof(Mpi2RaidVolPage0_t
))) {
1714 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1715 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1719 volstate
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1720 if (volstate
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
) {
1721 state
= RAID_STATE_RESYNCING
;
1725 switch (vol_pg0
.VolumeState
) {
1726 case MPI2_RAID_VOL_STATE_OPTIMAL
:
1727 case MPI2_RAID_VOL_STATE_ONLINE
:
1728 state
= RAID_STATE_ACTIVE
;
1730 case MPI2_RAID_VOL_STATE_DEGRADED
:
1731 state
= RAID_STATE_DEGRADED
;
1733 case MPI2_RAID_VOL_STATE_FAILED
:
1734 case MPI2_RAID_VOL_STATE_MISSING
:
1735 state
= RAID_STATE_OFFLINE
;
1739 raid_set_state(mpt2sas_raid_template
, dev
, state
);
1743 * _scsih_set_level - set raid level
1744 * @sdev: scsi device struct
1745 * @volume_type: volume type
1748 _scsih_set_level(struct scsi_device
*sdev
, u8 volume_type
)
1750 enum raid_level level
= RAID_LEVEL_UNKNOWN
;
1752 switch (volume_type
) {
1753 case MPI2_RAID_VOL_TYPE_RAID0
:
1754 level
= RAID_LEVEL_0
;
1756 case MPI2_RAID_VOL_TYPE_RAID10
:
1757 level
= RAID_LEVEL_10
;
1759 case MPI2_RAID_VOL_TYPE_RAID1E
:
1760 level
= RAID_LEVEL_1E
;
1762 case MPI2_RAID_VOL_TYPE_RAID1
:
1763 level
= RAID_LEVEL_1
;
1767 raid_set_level(mpt2sas_raid_template
, &sdev
->sdev_gendev
, level
);
1771 * _scsih_get_volume_capabilities - volume capabilities
1772 * @ioc: per adapter object
1773 * @sas_device: the raid_device object
1775 * Returns 0 for success, else 1
1778 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1779 struct _raid_device
*raid_device
)
1781 Mpi2RaidVolPage0_t
*vol_pg0
;
1782 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1783 Mpi2SasDevicePage0_t sas_device_pg0
;
1784 Mpi2ConfigReply_t mpi_reply
;
1788 if ((mpt2sas_config_get_number_pds(ioc
, raid_device
->handle
,
1789 &num_pds
)) || !num_pds
) {
1790 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1791 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1796 raid_device
->num_pds
= num_pds
;
1797 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1798 sizeof(Mpi2RaidVol0PhysDisk_t
));
1799 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1801 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1802 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1807 if ((mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1808 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1809 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1810 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1816 raid_device
->volume_type
= vol_pg0
->VolumeType
;
1818 /* figure out what the underlying devices are by
1819 * obtaining the device_info bits for the 1st device
1821 if (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1822 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1823 vol_pg0
->PhysDisk
[0].PhysDiskNum
))) {
1824 if (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
1825 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
1826 le16_to_cpu(pd_pg0
.DevHandle
)))) {
1827 raid_device
->device_info
=
1828 le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1836 * _scsih_disable_ddio - Disable direct I/O for all the volumes
1837 * @ioc: per adapter object
1840 _scsih_disable_ddio(struct MPT2SAS_ADAPTER
*ioc
)
1842 Mpi2RaidVolPage1_t vol_pg1
;
1843 Mpi2ConfigReply_t mpi_reply
;
1844 struct _raid_device
*raid_device
;
1847 unsigned long flags
;
1850 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
1851 &vol_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
1852 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1853 MPI2_IOCSTATUS_MASK
;
1854 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
1856 handle
= le16_to_cpu(vol_pg1
.DevHandle
);
1857 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1858 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
1860 raid_device
->direct_io_enabled
= 0;
1861 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1868 * _scsih_get_num_volumes - Get number of volumes in the ioc
1869 * @ioc: per adapter object
1872 _scsih_get_num_volumes(struct MPT2SAS_ADAPTER
*ioc
)
1874 Mpi2RaidVolPage1_t vol_pg1
;
1875 Mpi2ConfigReply_t mpi_reply
;
1881 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
1882 &vol_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
1883 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1884 MPI2_IOCSTATUS_MASK
;
1885 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
1888 handle
= le16_to_cpu(vol_pg1
.DevHandle
);
1895 * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O.
1896 * @ioc: per adapter object
1897 * @raid_device: the raid_device object
1900 _scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER
*ioc
,
1901 struct _raid_device
*raid_device
)
1903 Mpi2RaidVolPage0_t
*vol_pg0
;
1904 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1905 Mpi2ConfigReply_t mpi_reply
;
1908 unsigned long stripe_sz
, block_sz
;
1909 u8 stripe_exp
, block_exp
;
1912 if (!ioc
->is_warpdrive
)
1915 if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_EXPOSE_ALL_DISKS
) {
1916 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1917 "globally as drives are exposed\n", ioc
->name
);
1920 if (_scsih_get_num_volumes(ioc
) > 1) {
1921 _scsih_disable_ddio(ioc
);
1922 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1923 "globally as number of drives > 1\n", ioc
->name
);
1926 if ((mpt2sas_config_get_number_pds(ioc
, raid_device
->handle
,
1927 &num_pds
)) || !num_pds
) {
1928 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1929 "Failure in computing number of drives\n", ioc
->name
);
1933 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1934 sizeof(Mpi2RaidVol0PhysDisk_t
));
1935 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1937 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1938 "Memory allocation failure for RVPG0\n", ioc
->name
);
1942 if ((mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1943 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1944 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1945 "Failure in retrieving RVPG0\n", ioc
->name
);
1951 * WARPDRIVE:If number of physical disks in a volume exceeds the max pds
1952 * assumed for WARPDRIVE, disable direct I/O
1954 if (num_pds
> MPT_MAX_WARPDRIVE_PDS
) {
1955 printk(MPT2SAS_WARN_FMT
"WarpDrive : Direct IO is disabled "
1956 "for the drive with handle(0x%04x): num_mem=%d, "
1957 "max_mem_allowed=%d\n", ioc
->name
, raid_device
->handle
,
1958 num_pds
, MPT_MAX_WARPDRIVE_PDS
);
1962 for (count
= 0; count
< num_pds
; count
++) {
1963 if (mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1964 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1965 vol_pg0
->PhysDisk
[count
].PhysDiskNum
) ||
1966 le16_to_cpu(pd_pg0
.DevHandle
) ==
1967 MPT2SAS_INVALID_DEVICE_HANDLE
) {
1968 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is "
1969 "disabled for the drive with handle(0x%04x) member"
1970 "handle retrieval failed for member number=%d\n",
1971 ioc
->name
, raid_device
->handle
,
1972 vol_pg0
->PhysDisk
[count
].PhysDiskNum
);
1975 /* Disable direct I/O if member drive lba exceeds 4 bytes */
1976 dev_max_lba
= le64_to_cpu(pd_pg0
.DeviceMaxLBA
);
1977 if (dev_max_lba
>> 32) {
1978 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is "
1979 "disabled for the drive with handle(0x%04x) member"
1980 "handle (0x%04x) unsupported max lba 0x%016llx\n",
1981 ioc
->name
, raid_device
->handle
,
1982 le16_to_cpu(pd_pg0
.DevHandle
),
1983 (unsigned long long)dev_max_lba
);
1987 raid_device
->pd_handle
[count
] = le16_to_cpu(pd_pg0
.DevHandle
);
1991 * Assumption for WD: Direct I/O is not supported if the volume is
1994 if (raid_device
->volume_type
!= MPI2_RAID_VOL_TYPE_RAID0
) {
1995 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1996 "for the drive with handle(0x%04x): type=%d, "
1997 "s_sz=%uK, blk_size=%u\n", ioc
->name
,
1998 raid_device
->handle
, raid_device
->volume_type
,
1999 (le32_to_cpu(vol_pg0
->StripeSize
) *
2000 le16_to_cpu(vol_pg0
->BlockSize
)) / 1024,
2001 le16_to_cpu(vol_pg0
->BlockSize
));
2005 stripe_sz
= le32_to_cpu(vol_pg0
->StripeSize
);
2006 stripe_exp
= find_first_bit(&stripe_sz
, 32);
2007 if (stripe_exp
== 32) {
2008 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
2009 "for the drive with handle(0x%04x) invalid stripe sz %uK\n",
2010 ioc
->name
, raid_device
->handle
,
2011 (le32_to_cpu(vol_pg0
->StripeSize
) *
2012 le16_to_cpu(vol_pg0
->BlockSize
)) / 1024);
2015 raid_device
->stripe_exponent
= stripe_exp
;
2016 block_sz
= le16_to_cpu(vol_pg0
->BlockSize
);
2017 block_exp
= find_first_bit(&block_sz
, 16);
2018 if (block_exp
== 16) {
2019 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
2020 "for the drive with handle(0x%04x) invalid block sz %u\n",
2021 ioc
->name
, raid_device
->handle
,
2022 le16_to_cpu(vol_pg0
->BlockSize
));
2025 raid_device
->block_exponent
= block_exp
;
2026 raid_device
->direct_io_enabled
= 1;
2028 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is Enabled for the drive"
2029 " with handle(0x%04x)\n", ioc
->name
, raid_device
->handle
);
2031 * WARPDRIVE: Though the following fields are not used for direct IO,
2032 * stored for future purpose:
2034 raid_device
->max_lba
= le64_to_cpu(vol_pg0
->MaxLBA
);
2035 raid_device
->stripe_sz
= le32_to_cpu(vol_pg0
->StripeSize
);
2036 raid_device
->block_sz
= le16_to_cpu(vol_pg0
->BlockSize
);
2043 raid_device
->direct_io_enabled
= 0;
2044 for (count
= 0; count
< num_pds
; count
++)
2045 raid_device
->pd_handle
[count
] = 0;
2051 * _scsih_enable_tlr - setting TLR flags
2052 * @ioc: per adapter object
2053 * @sdev: scsi device struct
2055 * Enabling Transaction Layer Retries for tape devices when
2056 * vpd page 0x90 is present
2060 _scsih_enable_tlr(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_device
*sdev
)
2063 if (sdev
->type
!= TYPE_TAPE
)
2066 if (!(ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_TLR
))
2069 sas_enable_tlr(sdev
);
2070 sdev_printk(KERN_INFO
, sdev
, "TLR %s\n",
2071 sas_is_tlr_enabled(sdev
) ? "Enabled" : "Disabled");
2077 * _scsih_slave_configure - device configure routine.
2078 * @sdev: scsi device struct
2080 * Returns 0 if ok. Any other return is assumed to be an error and
2081 * the device is ignored.
2084 _scsih_slave_configure(struct scsi_device
*sdev
)
2086 struct Scsi_Host
*shost
= sdev
->host
;
2087 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
2088 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2089 struct MPT2SAS_TARGET
*sas_target_priv_data
;
2090 struct _sas_device
*sas_device
;
2091 struct _raid_device
*raid_device
;
2092 unsigned long flags
;
2097 u16 handle
, volume_handle
= 0;
2098 u64 volume_wwid
= 0;
2101 sas_device_priv_data
= sdev
->hostdata
;
2102 sas_device_priv_data
->configured_lun
= 1;
2103 sas_device_priv_data
->flags
&= ~MPT_DEVICE_FLAGS_INIT
;
2104 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
2105 handle
= sas_target_priv_data
->handle
;
2107 /* raid volume handling */
2108 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2110 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
2111 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
2112 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
2114 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2115 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2116 __LINE__
, __func__
));
2120 if (_scsih_get_volume_capabilities(ioc
, raid_device
)) {
2121 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2122 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2123 __LINE__
, __func__
));
2127 * WARPDRIVE: Initialize the required data for Direct IO
2129 _scsih_init_warpdrive_properties(ioc
, raid_device
);
2131 /* RAID Queue Depth Support
2132 * IS volume = underlying qdepth of drive type, either
2133 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
2134 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
2136 if (raid_device
->device_info
&
2137 MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
2138 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
2141 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
2142 if (raid_device
->device_info
&
2143 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
2149 switch (raid_device
->volume_type
) {
2150 case MPI2_RAID_VOL_TYPE_RAID0
:
2153 case MPI2_RAID_VOL_TYPE_RAID1E
:
2154 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2155 if (ioc
->manu_pg10
.OEMIdentifier
&&
2156 (le32_to_cpu(ioc
->manu_pg10
.GenericFlags0
) &
2157 MFG10_GF0_R10_DISPLAY
) &&
2158 !(raid_device
->num_pds
% 2))
2163 case MPI2_RAID_VOL_TYPE_RAID1
:
2164 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2167 case MPI2_RAID_VOL_TYPE_RAID10
:
2168 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2171 case MPI2_RAID_VOL_TYPE_UNKNOWN
:
2173 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2178 if (!ioc
->hide_ir_msg
)
2179 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), "
2180 "wwid(0x%016llx), pd_count(%d), type(%s)\n",
2181 r_level
, raid_device
->handle
,
2182 (unsigned long long)raid_device
->wwid
,
2183 raid_device
->num_pds
, ds
);
2184 _scsih_change_queue_depth(sdev
, qdepth
);
2185 /* raid transport support */
2186 if (!ioc
->is_warpdrive
)
2187 _scsih_set_level(sdev
, raid_device
->volume_type
);
2191 /* non-raid handling */
2192 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2193 if (mpt2sas_config_get_volume_handle(ioc
, handle
,
2195 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2196 "failure at %s:%d/%s()!\n", ioc
->name
,
2197 __FILE__
, __LINE__
, __func__
));
2200 if (volume_handle
&& mpt2sas_config_get_volume_wwid(ioc
,
2201 volume_handle
, &volume_wwid
)) {
2202 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2203 "failure at %s:%d/%s()!\n", ioc
->name
,
2204 __FILE__
, __LINE__
, __func__
));
2209 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2210 sas_device
= __mpt2sas_get_sdev_by_addr(ioc
,
2211 sas_device_priv_data
->sas_target
->sas_address
);
2213 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2214 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2215 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2216 __LINE__
, __func__
));
2219 sas_device
->volume_handle
= volume_handle
;
2220 sas_device
->volume_wwid
= volume_wwid
;
2221 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
2222 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
2226 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
2227 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
)
2229 else if (sas_device
->device_info
&
2230 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
2233 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), "
2234 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
2235 ds
, sas_device
->handle
,
2236 (unsigned long long)sas_device
->sas_address
,
2238 (unsigned long long)sas_device
->device_name
);
2239 sdev_printk(KERN_INFO
, sdev
, "%s: "
2240 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds
,
2241 (unsigned long long) sas_device
->enclosure_logical_id
,
2244 sas_device_put(sas_device
);
2245 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2247 _scsih_display_sata_capabilities(ioc
, handle
, sdev
);
2249 _scsih_change_queue_depth(sdev
, qdepth
);
2252 sas_read_port_mode_page(sdev
);
2253 _scsih_enable_tlr(ioc
, sdev
);
2260 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
2261 * @sdev: scsi device struct
2262 * @bdev: pointer to block device context
2263 * @capacity: device size (in 512 byte sectors)
2264 * @params: three element array to place output:
2265 * params[0] number of heads (max 255)
2266 * params[1] number of sectors (max 63)
2267 * params[2] number of cylinders
2272 _scsih_bios_param(struct scsi_device
*sdev
, struct block_device
*bdev
,
2273 sector_t capacity
, int params
[])
2283 dummy
= heads
* sectors
;
2284 cylinders
= capacity
;
2285 sector_div(cylinders
, dummy
);
2288 * Handle extended translation size for logical drives
2291 if ((ulong
)capacity
>= 0x200000) {
2294 dummy
= heads
* sectors
;
2295 cylinders
= capacity
;
2296 sector_div(cylinders
, dummy
);
2301 params
[1] = sectors
;
2302 params
[2] = cylinders
;
2308 * _scsih_response_code - translation of device response code
2309 * @ioc: per adapter object
2310 * @response_code: response code returned by the device
2315 _scsih_response_code(struct MPT2SAS_ADAPTER
*ioc
, u8 response_code
)
2319 switch (response_code
) {
2320 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE
:
2321 desc
= "task management request completed";
2323 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
:
2324 desc
= "invalid frame";
2326 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED
:
2327 desc
= "task management request not supported";
2329 case MPI2_SCSITASKMGMT_RSP_TM_FAILED
:
2330 desc
= "task management request failed";
2332 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
:
2333 desc
= "task management request succeeded";
2335 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN
:
2336 desc
= "invalid lun";
2339 desc
= "overlapped tag attempted";
2341 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
:
2342 desc
= "task queued, however not sent to target";
2348 printk(MPT2SAS_WARN_FMT
"response_code(0x%01x): %s\n",
2349 ioc
->name
, response_code
, desc
);
2353 * _scsih_tm_done - tm completion routine
2354 * @ioc: per adapter object
2355 * @smid: system request message index
2356 * @msix_index: MSIX table index supplied by the OS
2357 * @reply: reply message frame(lower 32bit addr)
2360 * The callback handler when using scsih_issue_tm.
2362 * Return 1 meaning mf should be freed from _base_interrupt
2363 * 0 means the mf is freed from this function.
2366 _scsih_tm_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
2368 MPI2DefaultReply_t
*mpi_reply
;
2370 if (ioc
->tm_cmds
.status
== MPT2_CMD_NOT_USED
)
2372 if (ioc
->tm_cmds
.smid
!= smid
)
2374 mpt2sas_base_flush_reply_queues(ioc
);
2375 ioc
->tm_cmds
.status
|= MPT2_CMD_COMPLETE
;
2376 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
2378 memcpy(ioc
->tm_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
2379 ioc
->tm_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
2381 ioc
->tm_cmds
.status
&= ~MPT2_CMD_PENDING
;
2382 complete(&ioc
->tm_cmds
.done
);
2387 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
2388 * @ioc: per adapter object
2389 * @handle: device handle
2391 * During taskmangement request, we need to freeze the device queue.
2394 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2396 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2397 struct scsi_device
*sdev
;
2400 shost_for_each_device(sdev
, ioc
->shost
) {
2403 sas_device_priv_data
= sdev
->hostdata
;
2404 if (!sas_device_priv_data
)
2406 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2407 sas_device_priv_data
->sas_target
->tm_busy
= 1;
2409 ioc
->ignore_loginfos
= 1;
2415 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
2416 * @ioc: per adapter object
2417 * @handle: device handle
2419 * During taskmangement request, we need to freeze the device queue.
2422 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2424 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2425 struct scsi_device
*sdev
;
2428 shost_for_each_device(sdev
, ioc
->shost
) {
2431 sas_device_priv_data
= sdev
->hostdata
;
2432 if (!sas_device_priv_data
)
2434 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2435 sas_device_priv_data
->sas_target
->tm_busy
= 0;
2437 ioc
->ignore_loginfos
= 0;
2444 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
2445 * @ioc: per adapter struct
2446 * @device_handle: device handle
2447 * @channel: the channel assigned by the OS
2448 * @id: the id assigned by the OS
2450 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2451 * @smid_task: smid assigned to the task
2452 * @timeout: timeout in seconds
2453 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2456 * A generic API for sending task management requests to firmware.
2458 * The callback index is set inside `ioc->tm_cb_idx`.
2460 * Return SUCCESS or FAILED.
2463 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, uint channel
,
2464 uint id
, uint lun
, u8 type
, u16 smid_task
, ulong timeout
,
2465 enum mutex_type m_type
)
2467 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2468 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
2471 unsigned long timeleft
;
2472 struct scsiio_tracker
*scsi_lookup
= NULL
;
2475 if (m_type
== TM_MUTEX_ON
)
2476 mutex_lock(&ioc
->tm_cmds
.mutex
);
2477 if (ioc
->tm_cmds
.status
!= MPT2_CMD_NOT_USED
) {
2478 printk(MPT2SAS_INFO_FMT
"%s: tm_cmd busy!!!\n",
2479 __func__
, ioc
->name
);
2484 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2485 ioc
->pci_error_recovery
) {
2486 printk(MPT2SAS_INFO_FMT
"%s: host reset in progress!\n",
2487 __func__
, ioc
->name
);
2492 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 0);
2493 if (ioc_state
& MPI2_DOORBELL_USED
) {
2494 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"unexpected doorbell "
2495 "active!\n", ioc
->name
));
2496 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2498 rc
= (!rc
) ? SUCCESS
: FAILED
;
2502 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
2503 mpt2sas_base_fault_info(ioc
, ioc_state
&
2504 MPI2_DOORBELL_DATA_MASK
);
2505 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2507 rc
= (!rc
) ? SUCCESS
: FAILED
;
2511 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_cb_idx
);
2513 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2514 ioc
->name
, __func__
);
2519 if (type
== MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
)
2520 scsi_lookup
= &ioc
->scsi_lookup
[smid_task
- 1];
2522 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sending tm: handle(0x%04x),"
2523 " task_type(0x%02x), smid(%d)\n", ioc
->name
, handle
, type
,
2525 ioc
->tm_cmds
.status
= MPT2_CMD_PENDING
;
2526 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2527 ioc
->tm_cmds
.smid
= smid
;
2528 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2529 memset(ioc
->tm_cmds
.reply
, 0, sizeof(Mpi2SCSITaskManagementReply_t
));
2530 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2531 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2532 mpi_request
->TaskType
= type
;
2533 mpi_request
->TaskMID
= cpu_to_le16(smid_task
);
2534 int_to_scsilun(lun
, (struct scsi_lun
*)mpi_request
->LUN
);
2535 mpt2sas_scsih_set_tm_flag(ioc
, handle
);
2536 init_completion(&ioc
->tm_cmds
.done
);
2537 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
2538 timeleft
= wait_for_completion_timeout(&ioc
->tm_cmds
.done
, timeout
*HZ
);
2539 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_COMPLETE
)) {
2540 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
2541 ioc
->name
, __func__
);
2542 _debug_dump_mf(mpi_request
,
2543 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2544 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_RESET
)) {
2545 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2547 rc
= (!rc
) ? SUCCESS
: FAILED
;
2548 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2549 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2554 if (ioc
->tm_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
2555 mpi_reply
= ioc
->tm_cmds
.reply
;
2556 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"complete tm: "
2557 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2558 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
2559 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2560 le32_to_cpu(mpi_reply
->TerminationCount
)));
2561 if (ioc
->logging_level
& MPT_DEBUG_TM
) {
2562 _scsih_response_code(ioc
, mpi_reply
->ResponseCode
);
2563 if (mpi_reply
->IOCStatus
)
2564 _debug_dump_mf(mpi_request
,
2565 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2570 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
:
2572 if (scsi_lookup
->scmd
== NULL
)
2577 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
:
2578 if (_scsih_scsi_lookup_find_by_target(ioc
, id
, channel
))
2584 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET
:
2585 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
:
2586 if (_scsih_scsi_lookup_find_by_lun(ioc
, id
, lun
, channel
))
2591 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
:
2599 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2600 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2601 if (m_type
== TM_MUTEX_ON
)
2602 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2607 if (m_type
== TM_MUTEX_ON
)
2608 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2613 * _scsih_tm_display_info - displays info about the device
2614 * @ioc: per adapter struct
2615 * @scmd: pointer to scsi command object
2617 * Called by task management callback handlers.
2620 _scsih_tm_display_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
)
2622 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2623 struct MPT2SAS_TARGET
*priv_target
= starget
->hostdata
;
2624 struct _sas_device
*sas_device
= NULL
;
2625 unsigned long flags
;
2626 char *device_str
= NULL
;
2630 if (ioc
->hide_ir_msg
)
2631 device_str
= "WarpDrive";
2633 device_str
= "volume";
2635 scsi_print_command(scmd
);
2636 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2637 starget_printk(KERN_INFO
, starget
, "%s handle(0x%04x), "
2638 "%s wwid(0x%016llx)\n", device_str
, priv_target
->handle
,
2639 device_str
, (unsigned long long)priv_target
->sas_address
);
2641 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2642 sas_device
= __mpt2sas_get_sdev_from_target(ioc
, priv_target
);
2644 if (priv_target
->flags
&
2645 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2646 starget_printk(KERN_INFO
, starget
,
2647 "volume handle(0x%04x), "
2648 "volume wwid(0x%016llx)\n",
2649 sas_device
->volume_handle
,
2650 (unsigned long long)sas_device
->volume_wwid
);
2652 starget_printk(KERN_INFO
, starget
,
2653 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2655 (unsigned long long)sas_device
->sas_address
,
2657 starget_printk(KERN_INFO
, starget
,
2658 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2659 (unsigned long long)sas_device
->enclosure_logical_id
,
2662 sas_device_put(sas_device
);
2664 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2669 * _scsih_abort - eh threads main abort routine
2670 * @scmd: pointer to scsi command object
2672 * Returns SUCCESS if command aborted else FAILED
2675 _scsih_abort(struct scsi_cmnd
*scmd
)
2677 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2678 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2683 sdev_printk(KERN_INFO
, scmd
->device
, "attempting task abort! "
2684 "scmd(%p)\n", scmd
);
2685 _scsih_tm_display_info(ioc
, scmd
);
2687 sas_device_priv_data
= scmd
->device
->hostdata
;
2688 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2689 sdev_printk(KERN_INFO
, scmd
->device
, "device been deleted! "
2690 "scmd(%p)\n", scmd
);
2691 scmd
->result
= DID_NO_CONNECT
<< 16;
2692 scmd
->scsi_done(scmd
);
2697 /* search for the command */
2698 smid
= _scsih_scsi_lookup_find_by_scmd(ioc
, scmd
);
2700 scmd
->result
= DID_RESET
<< 16;
2705 /* for hidden raid components and volumes this is not supported */
2706 if (sas_device_priv_data
->sas_target
->flags
&
2707 MPT_TARGET_FLAGS_RAID_COMPONENT
||
2708 sas_device_priv_data
->sas_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2709 scmd
->result
= DID_RESET
<< 16;
2714 mpt2sas_halt_firmware(ioc
);
2716 handle
= sas_device_priv_data
->sas_target
->handle
;
2717 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2718 scmd
->device
->id
, scmd
->device
->lun
,
2719 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30, TM_MUTEX_ON
);
2722 sdev_printk(KERN_INFO
, scmd
->device
, "task abort: %s scmd(%p)\n",
2723 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2728 * _scsih_dev_reset - eh threads main device reset routine
2729 * @scmd: pointer to scsi command object
2731 * Returns SUCCESS if command aborted else FAILED
2734 _scsih_dev_reset(struct scsi_cmnd
*scmd
)
2736 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2737 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2738 struct _sas_device
*sas_device
= NULL
;
2742 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2743 struct MPT2SAS_TARGET
*target_priv_data
= starget
->hostdata
;
2745 starget_printk(KERN_INFO
, starget
, "attempting device reset! "
2746 "scmd(%p)\n", scmd
);
2747 _scsih_tm_display_info(ioc
, scmd
);
2749 sas_device_priv_data
= scmd
->device
->hostdata
;
2750 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2751 starget_printk(KERN_INFO
, starget
, "device been deleted! "
2752 "scmd(%p)\n", scmd
);
2753 scmd
->result
= DID_NO_CONNECT
<< 16;
2754 scmd
->scsi_done(scmd
);
2759 /* for hidden raid components obtain the volume_handle */
2761 if (sas_device_priv_data
->sas_target
->flags
&
2762 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2763 sas_device
= mpt2sas_get_sdev_from_target(ioc
,
2766 handle
= sas_device
->volume_handle
;
2768 handle
= sas_device_priv_data
->sas_target
->handle
;
2771 scmd
->result
= DID_RESET
<< 16;
2776 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2777 scmd
->device
->id
, scmd
->device
->lun
,
2778 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
, 0, 30, TM_MUTEX_ON
);
2781 sdev_printk(KERN_INFO
, scmd
->device
, "device reset: %s scmd(%p)\n",
2782 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2785 sas_device_put(sas_device
);
2791 * _scsih_target_reset - eh threads main target reset routine
2792 * @scmd: pointer to scsi command object
2794 * Returns SUCCESS if command aborted else FAILED
2797 _scsih_target_reset(struct scsi_cmnd
*scmd
)
2799 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2800 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2801 struct _sas_device
*sas_device
= NULL
;
2804 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2805 struct MPT2SAS_TARGET
*target_priv_data
= starget
->hostdata
;
2807 starget_printk(KERN_INFO
, starget
, "attempting target reset! "
2808 "scmd(%p)\n", scmd
);
2809 _scsih_tm_display_info(ioc
, scmd
);
2811 sas_device_priv_data
= scmd
->device
->hostdata
;
2812 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2813 starget_printk(KERN_INFO
, starget
, "target been deleted! "
2814 "scmd(%p)\n", scmd
);
2815 scmd
->result
= DID_NO_CONNECT
<< 16;
2816 scmd
->scsi_done(scmd
);
2821 /* for hidden raid components obtain the volume_handle */
2823 if (sas_device_priv_data
->sas_target
->flags
&
2824 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2825 sas_device
= mpt2sas_get_sdev_from_target(ioc
,
2828 handle
= sas_device
->volume_handle
;
2830 handle
= sas_device_priv_data
->sas_target
->handle
;
2833 scmd
->result
= DID_RESET
<< 16;
2838 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2839 scmd
->device
->id
, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0,
2843 starget_printk(KERN_INFO
, starget
, "target reset: %s scmd(%p)\n",
2844 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2847 sas_device_put(sas_device
);
2853 * _scsih_host_reset - eh threads main host reset routine
2854 * @scmd: pointer to scsi command object
2856 * Returns SUCCESS if command aborted else FAILED
2859 _scsih_host_reset(struct scsi_cmnd
*scmd
)
2861 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2864 printk(MPT2SAS_INFO_FMT
"attempting host reset! scmd(%p)\n",
2866 scsi_print_command(scmd
);
2868 if (ioc
->is_driver_loading
) {
2869 printk(MPT2SAS_INFO_FMT
"Blocking the host reset\n",
2875 retval
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2877 r
= (retval
< 0) ? FAILED
: SUCCESS
;
2880 printk(MPT2SAS_INFO_FMT
"host reset: %s scmd(%p)\n",
2881 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2887 * _scsih_fw_event_add - insert and queue up fw_event
2888 * @ioc: per adapter object
2889 * @fw_event: object describing the event
2890 * Context: This function will acquire ioc->fw_event_lock.
2892 * This adds the firmware event object into link list, then queues it up to
2893 * be processed from user context.
2898 _scsih_fw_event_add(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
2900 unsigned long flags
;
2902 if (ioc
->firmware_event_thread
== NULL
)
2905 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2906 fw_event_work_get(fw_event
);
2907 list_add_tail(&fw_event
->list
, &ioc
->fw_event_list
);
2908 INIT_DELAYED_WORK(&fw_event
->delayed_work
, _firmware_event_work
);
2909 fw_event_work_get(fw_event
);
2910 queue_delayed_work(ioc
->firmware_event_thread
,
2911 &fw_event
->delayed_work
, 0);
2912 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2916 * _scsih_fw_event_del_from_list - delete fw_event from the list
2917 * @ioc: per adapter object
2918 * @fw_event: object describing the event
2919 * Context: This function will acquire ioc->fw_event_lock.
2921 * If the fw_event is on the fw_event_list, remove it and do a put.
2926 _scsih_fw_event_del_from_list(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
2929 unsigned long flags
;
2931 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2932 if (!list_empty(&fw_event
->list
)) {
2933 list_del_init(&fw_event
->list
);
2934 fw_event_work_put(fw_event
);
2936 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2940 * _scsih_error_recovery_delete_devices - remove devices not responding
2941 * @ioc: per adapter object
2946 _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER
*ioc
)
2948 struct fw_event_work
*fw_event
;
2950 if (ioc
->is_driver_loading
)
2953 fw_event
= alloc_fw_event_work(0);
2957 fw_event
->event
= MPT2SAS_REMOVE_UNRESPONDING_DEVICES
;
2958 fw_event
->ioc
= ioc
;
2959 _scsih_fw_event_add(ioc
, fw_event
);
2960 fw_event_work_put(fw_event
);
2964 * mpt2sas_port_enable_complete - port enable completed (fake event)
2965 * @ioc: per adapter object
2970 mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER
*ioc
)
2972 struct fw_event_work
*fw_event
;
2974 fw_event
= alloc_fw_event_work(0);
2977 fw_event
->event
= MPT2SAS_PORT_ENABLE_COMPLETE
;
2978 fw_event
->ioc
= ioc
;
2979 _scsih_fw_event_add(ioc
, fw_event
);
2980 fw_event_work_put(fw_event
);
2983 static struct fw_event_work
*dequeue_next_fw_event(struct MPT2SAS_ADAPTER
*ioc
)
2985 unsigned long flags
;
2986 struct fw_event_work
*fw_event
= NULL
;
2988 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2989 if (!list_empty(&ioc
->fw_event_list
)) {
2990 fw_event
= list_first_entry(&ioc
->fw_event_list
,
2991 struct fw_event_work
, list
);
2992 list_del_init(&fw_event
->list
);
2994 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
3000 * _scsih_fw_event_cleanup_queue - cleanup event queue
3001 * @ioc: per adapter object
3003 * Walk the firmware event queue, either killing timers, or waiting
3004 * for outstanding events to complete
3009 _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER
*ioc
)
3011 struct fw_event_work
*fw_event
;
3013 if (list_empty(&ioc
->fw_event_list
) ||
3014 !ioc
->firmware_event_thread
|| in_interrupt())
3017 while ((fw_event
= dequeue_next_fw_event(ioc
))) {
3019 * Wait on the fw_event to complete. If this returns 1, then
3020 * the event was never executed, and we need a put for the
3021 * reference the delayed_work had on the fw_event.
3023 * If it did execute, we wait for it to finish, and the put will
3024 * happen from _firmware_event_work()
3026 if (cancel_delayed_work_sync(&fw_event
->delayed_work
))
3027 fw_event_work_put(fw_event
);
3029 fw_event_work_put(fw_event
);
3034 * _scsih_ublock_io_all_device - unblock every device
3035 * @ioc: per adapter object
3037 * change the device state from block to running
3040 _scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER
*ioc
)
3042 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3043 struct scsi_device
*sdev
;
3045 shost_for_each_device(sdev
, ioc
->shost
) {
3046 sas_device_priv_data
= sdev
->hostdata
;
3047 if (!sas_device_priv_data
)
3049 if (!sas_device_priv_data
->block
)
3051 sas_device_priv_data
->block
= 0;
3052 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
, "device_running, "
3054 sas_device_priv_data
->sas_target
->handle
));
3055 scsi_internal_device_unblock(sdev
, SDEV_RUNNING
);
3059 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
3060 * @ioc: per adapter object
3061 * @handle: device handle
3063 * During device pull we need to appropiately set the sdev state.
3066 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
)
3068 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3069 struct scsi_device
*sdev
;
3071 shost_for_each_device(sdev
, ioc
->shost
) {
3072 sas_device_priv_data
= sdev
->hostdata
;
3073 if (!sas_device_priv_data
)
3075 if (!sas_device_priv_data
->block
)
3077 if (sas_device_priv_data
->sas_target
->sas_address
==
3079 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
3080 MPT2SAS_INFO_FMT
"SDEV_RUNNING: "
3081 "sas address(0x%016llx)\n", ioc
->name
,
3082 (unsigned long long)sas_address
));
3083 sas_device_priv_data
->block
= 0;
3084 scsi_internal_device_unblock(sdev
, SDEV_RUNNING
);
3090 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
3091 * @ioc: per adapter object
3092 * @handle: device handle
3094 * During device pull we need to appropiately set the sdev state.
3097 _scsih_block_io_all_device(struct MPT2SAS_ADAPTER
*ioc
)
3099 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3100 struct scsi_device
*sdev
;
3102 shost_for_each_device(sdev
, ioc
->shost
) {
3103 sas_device_priv_data
= sdev
->hostdata
;
3104 if (!sas_device_priv_data
)
3106 if (sas_device_priv_data
->block
)
3108 sas_device_priv_data
->block
= 1;
3109 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
, "device_blocked, "
3111 sas_device_priv_data
->sas_target
->handle
));
3112 scsi_internal_device_block(sdev
);
3118 * _scsih_block_io_device - set the device state to SDEV_BLOCK
3119 * @ioc: per adapter object
3120 * @handle: device handle
3122 * During device pull we need to appropiately set the sdev state.
3125 _scsih_block_io_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3127 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3128 struct scsi_device
*sdev
;
3130 shost_for_each_device(sdev
, ioc
->shost
) {
3131 sas_device_priv_data
= sdev
->hostdata
;
3132 if (!sas_device_priv_data
)
3134 if (sas_device_priv_data
->block
)
3136 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
3137 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
3138 MPT2SAS_INFO_FMT
"SDEV_BLOCK: "
3139 "handle(0x%04x)\n", ioc
->name
, handle
));
3140 sas_device_priv_data
->block
= 1;
3141 scsi_internal_device_block(sdev
);
3147 * _scsih_block_io_to_children_attached_to_ex
3148 * @ioc: per adapter object
3149 * @sas_expander: the sas_device object
3151 * This routine set sdev state to SDEV_BLOCK for all devices
3152 * attached to this expander. This function called when expander is
3156 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER
*ioc
,
3157 struct _sas_node
*sas_expander
)
3159 struct _sas_port
*mpt2sas_port
;
3160 struct _sas_device
*sas_device
;
3161 struct _sas_node
*expander_sibling
;
3162 unsigned long flags
;
3167 list_for_each_entry(mpt2sas_port
,
3168 &sas_expander
->sas_port_list
, port_list
) {
3169 if (mpt2sas_port
->remote_identify
.device_type
== SAS_END_DEVICE
) {
3170 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3171 sas_device
= __mpt2sas_get_sdev_by_addr(ioc
,
3172 mpt2sas_port
->remote_identify
.sas_address
);
3174 set_bit(sas_device
->handle
,
3175 ioc
->blocking_handles
);
3176 sas_device_put(sas_device
);
3178 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3182 list_for_each_entry(mpt2sas_port
,
3183 &sas_expander
->sas_port_list
, port_list
) {
3185 if (mpt2sas_port
->remote_identify
.device_type
==
3186 SAS_EDGE_EXPANDER_DEVICE
||
3187 mpt2sas_port
->remote_identify
.device_type
==
3188 SAS_FANOUT_EXPANDER_DEVICE
) {
3190 mpt2sas_scsih_expander_find_by_sas_address(
3191 ioc
, mpt2sas_port
->remote_identify
.sas_address
);
3192 _scsih_block_io_to_children_attached_to_ex(ioc
,
3199 * _scsih_block_io_to_children_attached_directly
3200 * @ioc: per adapter object
3201 * @event_data: topology change event data
3203 * This routine set sdev state to SDEV_BLOCK for all devices
3204 * direct attached during device pull.
3207 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER
*ioc
,
3208 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
3215 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
3216 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
3219 phy_number
= event_data
->StartPhyNum
+ i
;
3220 reason_code
= event_data
->PHY
[i
].PhyStatus
&
3221 MPI2_EVENT_SAS_TOPO_RC_MASK
;
3222 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
)
3223 _scsih_block_io_device(ioc
, handle
);
3228 * _scsih_tm_tr_send - send task management request
3229 * @ioc: per adapter object
3230 * @handle: device handle
3231 * Context: interrupt time.
3233 * This code is to initiate the device removal handshake protocol
3234 * with controller firmware. This function will issue target reset
3235 * using high priority request queue. It will send a sas iounit
3236 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3238 * This is designed to send muliple task management request at the same
3239 * time to the fifo. If the fifo is full, we will append the request,
3240 * and process it in a future completion.
3243 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3245 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
3247 struct _sas_device
*sas_device
= NULL
;
3248 struct MPT2SAS_TARGET
*sas_target_priv_data
= NULL
;
3249 u64 sas_address
= 0;
3250 unsigned long flags
;
3251 struct _tr_list
*delayed_tr
;
3254 if (ioc
->remove_host
) {
3255 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host has been "
3256 "removed: handle(0x%04x)\n", __func__
, ioc
->name
, handle
));
3258 } else if (ioc
->pci_error_recovery
) {
3259 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host in pci "
3260 "error recovery: handle(0x%04x)\n", __func__
, ioc
->name
,
3264 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3265 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
3266 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host is not "
3267 "operational: handle(0x%04x)\n", __func__
, ioc
->name
,
3272 /* if PD, then return */
3273 if (test_bit(handle
, ioc
->pd_handles
))
3276 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3277 sas_device
= __mpt2sas_get_sdev_by_handle(ioc
, handle
);
3278 if (sas_device
&& sas_device
->starget
&&
3279 sas_device
->starget
->hostdata
) {
3280 sas_target_priv_data
= sas_device
->starget
->hostdata
;
3281 sas_target_priv_data
->deleted
= 1;
3282 sas_address
= sas_device
->sas_address
;
3284 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3286 if (sas_target_priv_data
) {
3287 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"setting delete flag: "
3288 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, handle
,
3289 (unsigned long long)sas_address
));
3290 _scsih_ublock_io_device(ioc
, sas_address
);
3291 sas_target_priv_data
->handle
= MPT2SAS_INVALID_DEVICE_HANDLE
;
3294 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_cb_idx
);
3296 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3299 INIT_LIST_HEAD(&delayed_tr
->list
);
3300 delayed_tr
->handle
= handle
;
3301 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3302 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3303 "DELAYED:tr:handle(0x%04x), (open)\n",
3304 ioc
->name
, handle
));
3308 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
3309 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
3310 ioc
->tm_tr_cb_idx
));
3311 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3312 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
3313 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
3314 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3315 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
3316 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
3319 sas_device_put(sas_device
);
3325 * _scsih_sas_control_complete - completion routine
3326 * @ioc: per adapter object
3327 * @smid: system request message index
3328 * @msix_index: MSIX table index supplied by the OS
3329 * @reply: reply message frame(lower 32bit addr)
3330 * Context: interrupt time.
3332 * This is the sas iounit control completion routine.
3333 * This code is part of the code to initiate the device removal
3334 * handshake protocol with controller firmware.
3336 * Return 1 meaning mf should be freed from _base_interrupt
3337 * 0 means the mf is freed from this function.
3340 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
3341 u8 msix_index
, u32 reply
)
3343 Mpi2SasIoUnitControlReply_t
*mpi_reply
=
3344 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3345 if (likely(mpi_reply
)) {
3346 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3347 "sc_complete:handle(0x%04x), (open) "
3348 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3349 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
), smid
,
3350 le16_to_cpu(mpi_reply
->IOCStatus
),
3351 le32_to_cpu(mpi_reply
->IOCLogInfo
)));
3353 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3354 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3360 * _scsih_tm_tr_volume_send - send target reset request for volumes
3361 * @ioc: per adapter object
3362 * @handle: device handle
3363 * Context: interrupt time.
3365 * This is designed to send muliple task management request at the same
3366 * time to the fifo. If the fifo is full, we will append the request,
3367 * and process it in a future completion.
3370 _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3372 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
3374 struct _tr_list
*delayed_tr
;
3376 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3377 ioc
->pci_error_recovery
) {
3378 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
3379 "progress!\n", __func__
, ioc
->name
));
3383 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_volume_cb_idx
);
3385 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3388 INIT_LIST_HEAD(&delayed_tr
->list
);
3389 delayed_tr
->handle
= handle
;
3390 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_volume_list
);
3391 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3392 "DELAYED:tr:handle(0x%04x), (open)\n",
3393 ioc
->name
, handle
));
3397 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
3398 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
3399 ioc
->tm_tr_volume_cb_idx
));
3400 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3401 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
3402 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
3403 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3404 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
3405 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
3409 * _scsih_tm_volume_tr_complete - target reset completion
3410 * @ioc: per adapter object
3411 * @smid: system request message index
3412 * @msix_index: MSIX table index supplied by the OS
3413 * @reply: reply message frame(lower 32bit addr)
3414 * Context: interrupt time.
3416 * Return 1 meaning mf should be freed from _base_interrupt
3417 * 0 means the mf is freed from this function.
3420 _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
3421 u8 msix_index
, u32 reply
)
3424 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
3425 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
3426 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3428 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3429 ioc
->pci_error_recovery
) {
3430 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
3431 "progress!\n", __func__
, ioc
->name
));
3434 if (unlikely(!mpi_reply
)) {
3435 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3436 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3439 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3440 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
3441 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
3442 dewtprintk(ioc
, printk("spurious interrupt: "
3443 "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle
,
3444 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
3448 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3449 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3450 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
3451 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
3452 le32_to_cpu(mpi_reply
->IOCLogInfo
),
3453 le32_to_cpu(mpi_reply
->TerminationCount
)));
3455 return _scsih_check_for_pending_tm(ioc
, smid
);
3459 * _scsih_tm_tr_complete -
3460 * @ioc: per adapter object
3461 * @smid: system request message index
3462 * @msix_index: MSIX table index supplied by the OS
3463 * @reply: reply message frame(lower 32bit addr)
3464 * Context: interrupt time.
3466 * This is the target reset completion routine.
3467 * This code is part of the code to initiate the device removal
3468 * handshake protocol with controller firmware.
3469 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3471 * Return 1 meaning mf should be freed from _base_interrupt
3472 * 0 means the mf is freed from this function.
3475 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
3479 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
3480 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
3481 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3482 Mpi2SasIoUnitControlRequest_t
*mpi_request
;
3486 if (ioc
->remove_host
) {
3487 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host has been "
3488 "removed\n", __func__
, ioc
->name
));
3490 } else if (ioc
->pci_error_recovery
) {
3491 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host in pci "
3492 "error recovery\n", __func__
, ioc
->name
));
3495 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3496 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
3497 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host is not "
3498 "operational\n", __func__
, ioc
->name
));
3501 if (unlikely(!mpi_reply
)) {
3502 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3503 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3506 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3507 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
3508 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
3509 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"spurious interrupt: "
3510 "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc
->name
, handle
,
3511 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
3515 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3516 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3517 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
3518 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
3519 le32_to_cpu(mpi_reply
->IOCLogInfo
),
3520 le32_to_cpu(mpi_reply
->TerminationCount
)));
3522 smid_sas_ctrl
= mpt2sas_base_get_smid(ioc
, ioc
->tm_sas_control_cb_idx
);
3523 if (!smid_sas_ctrl
) {
3524 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3525 ioc
->name
, __func__
);
3529 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sc_send:handle(0x%04x), "
3530 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid_sas_ctrl
,
3531 ioc
->tm_sas_control_cb_idx
));
3532 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid_sas_ctrl
);
3533 memset(mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
3534 mpi_request
->Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
3535 mpi_request
->Operation
= MPI2_SAS_OP_REMOVE_DEVICE
;
3536 mpi_request
->DevHandle
= mpi_request_tm
->DevHandle
;
3537 mpt2sas_base_put_smid_default(ioc
, smid_sas_ctrl
);
3539 return _scsih_check_for_pending_tm(ioc
, smid
);
3543 * _scsih_check_for_pending_tm - check for pending task management
3544 * @ioc: per adapter object
3545 * @smid: system request message index
3547 * This will check delayed target reset list, and feed the
3550 * Return 1 meaning mf should be freed from _base_interrupt
3551 * 0 means the mf is freed from this function.
3554 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
3556 struct _tr_list
*delayed_tr
;
3558 if (!list_empty(&ioc
->delayed_tr_volume_list
)) {
3559 delayed_tr
= list_entry(ioc
->delayed_tr_volume_list
.next
,
3560 struct _tr_list
, list
);
3561 mpt2sas_base_free_smid(ioc
, smid
);
3562 _scsih_tm_tr_volume_send(ioc
, delayed_tr
->handle
);
3563 list_del(&delayed_tr
->list
);
3568 if (!list_empty(&ioc
->delayed_tr_list
)) {
3569 delayed_tr
= list_entry(ioc
->delayed_tr_list
.next
,
3570 struct _tr_list
, list
);
3571 mpt2sas_base_free_smid(ioc
, smid
);
3572 _scsih_tm_tr_send(ioc
, delayed_tr
->handle
);
3573 list_del(&delayed_tr
->list
);
3582 * _scsih_check_topo_delete_events - sanity check on topo events
3583 * @ioc: per adapter object
3584 * @event_data: the event data payload
3586 * This routine added to better handle cable breaker.
3588 * This handles the case where driver receives multiple expander
3589 * add and delete events in a single shot. When there is a delete event
3590 * the routine will void any pending add events waiting in the event queue.
3595 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
3596 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
3598 struct fw_event_work
*fw_event
;
3599 Mpi2EventDataSasTopologyChangeList_t
*local_event_data
;
3600 u16 expander_handle
;
3601 struct _sas_node
*sas_expander
;
3602 unsigned long flags
;
3606 for (i
= 0 ; i
< event_data
->NumEntries
; i
++) {
3607 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
3610 reason_code
= event_data
->PHY
[i
].PhyStatus
&
3611 MPI2_EVENT_SAS_TOPO_RC_MASK
;
3612 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
)
3613 _scsih_tm_tr_send(ioc
, handle
);
3616 expander_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
3617 if (expander_handle
< ioc
->sas_hba
.num_phys
) {
3618 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3621 if (event_data
->ExpStatus
==
3622 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
) {
3623 /* put expander attached devices into blocking state */
3624 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
3625 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
3627 _scsih_block_io_to_children_attached_to_ex(ioc
, sas_expander
);
3628 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
3630 handle
= find_first_bit(ioc
->blocking_handles
,
3631 ioc
->facts
.MaxDevHandle
);
3632 if (handle
< ioc
->facts
.MaxDevHandle
)
3633 _scsih_block_io_device(ioc
, handle
);
3634 } while (test_and_clear_bit(handle
, ioc
->blocking_handles
));
3635 } else if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_RESPONDING
)
3636 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3638 if (event_data
->ExpStatus
!= MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
)
3641 /* mark ignore flag for pending events */
3642 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
3643 list_for_each_entry(fw_event
, &ioc
->fw_event_list
, list
) {
3644 if (fw_event
->event
!= MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
||
3647 local_event_data
= (Mpi2EventDataSasTopologyChangeList_t
*)
3648 fw_event
->event_data
;
3649 if (local_event_data
->ExpStatus
==
3650 MPI2_EVENT_SAS_TOPO_ES_ADDED
||
3651 local_event_data
->ExpStatus
==
3652 MPI2_EVENT_SAS_TOPO_ES_RESPONDING
) {
3653 if (le16_to_cpu(local_event_data
->ExpanderDevHandle
) ==
3655 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3656 "setting ignoring flag\n", ioc
->name
));
3657 fw_event
->ignore
= 1;
3661 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
3665 * _scsih_set_volume_delete_flag - setting volume delete flag
3666 * @ioc: per adapter object
3667 * @handle: device handle
3673 _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3675 struct _raid_device
*raid_device
;
3676 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3677 unsigned long flags
;
3679 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
3680 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
3681 if (raid_device
&& raid_device
->starget
&&
3682 raid_device
->starget
->hostdata
) {
3683 sas_target_priv_data
=
3684 raid_device
->starget
->hostdata
;
3685 sas_target_priv_data
->deleted
= 1;
3686 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3687 "setting delete flag: handle(0x%04x), "
3688 "wwid(0x%016llx)\n", ioc
->name
, handle
,
3689 (unsigned long long) raid_device
->wwid
));
3691 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
3695 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3696 * @handle: input handle
3697 * @a: handle for volume a
3698 * @b: handle for volume b
3700 * IR firmware only supports two raid volumes. The purpose of this
3701 * routine is to set the volume handle in either a or b. When the given
3702 * input handle is non-zero, or when a and b have not been set before.
3705 _scsih_set_volume_handle_for_tr(u16 handle
, u16
*a
, u16
*b
)
3707 if (!handle
|| handle
== *a
|| handle
== *b
)
3716 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3717 * @ioc: per adapter object
3718 * @event_data: the event data payload
3719 * Context: interrupt time.
3721 * This routine will send target reset to volume, followed by target
3722 * resets to the PDs. This is called when a PD has been removed, or
3723 * volume has been deleted or removed. When the target reset is sent
3724 * to volume, the PD target resets need to be queued to start upon
3725 * completion of the volume target reset.
3730 _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER
*ioc
,
3731 Mpi2EventDataIrConfigChangeList_t
*event_data
)
3733 Mpi2EventIrConfigElement_t
*element
;
3735 u16 handle
, volume_handle
, a
, b
;
3736 struct _tr_list
*delayed_tr
;
3741 if (ioc
->is_warpdrive
)
3744 /* Volume Resets for Deleted or Removed */
3745 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3746 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3747 if (element
->ReasonCode
==
3748 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
||
3749 element
->ReasonCode
==
3750 MPI2_EVENT_IR_CHANGE_RC_REMOVED
) {
3751 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3752 _scsih_set_volume_delete_flag(ioc
, volume_handle
);
3753 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3757 /* Volume Resets for UNHIDE events */
3758 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3759 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3760 if (le32_to_cpu(event_data
->Flags
) &
3761 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
)
3763 if (element
->ReasonCode
== MPI2_EVENT_IR_CHANGE_RC_UNHIDE
) {
3764 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3765 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3770 _scsih_tm_tr_volume_send(ioc
, a
);
3772 _scsih_tm_tr_volume_send(ioc
, b
);
3774 /* PD target resets */
3775 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3776 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3777 if (element
->ReasonCode
!= MPI2_EVENT_IR_CHANGE_RC_UNHIDE
)
3779 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
3780 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3781 clear_bit(handle
, ioc
->pd_handles
);
3783 _scsih_tm_tr_send(ioc
, handle
);
3784 else if (volume_handle
== a
|| volume_handle
== b
) {
3785 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3786 BUG_ON(!delayed_tr
);
3787 INIT_LIST_HEAD(&delayed_tr
->list
);
3788 delayed_tr
->handle
= handle
;
3789 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3790 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3791 "DELAYED:tr:handle(0x%04x), (open)\n", ioc
->name
,
3794 _scsih_tm_tr_send(ioc
, handle
);
3800 * _scsih_check_volume_delete_events - set delete flag for volumes
3801 * @ioc: per adapter object
3802 * @event_data: the event data payload
3803 * Context: interrupt time.
3805 * This will handle the case when the cable connected to entire volume is
3806 * pulled. We will take care of setting the deleted flag so normal IO will
3812 _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
3813 Mpi2EventDataIrVolume_t
*event_data
)
3817 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
3819 state
= le32_to_cpu(event_data
->NewValue
);
3820 if (state
== MPI2_RAID_VOL_STATE_MISSING
|| state
==
3821 MPI2_RAID_VOL_STATE_FAILED
)
3822 _scsih_set_volume_delete_flag(ioc
,
3823 le16_to_cpu(event_data
->VolDevHandle
));
3827 * _scsih_temp_threshold_events - display temperature threshold exceeded events
3828 * @ioc: per adapter object
3829 * @event_data: the temp threshold event data
3830 * Context: interrupt time.
3835 _scsih_temp_threshold_events(struct MPT2SAS_ADAPTER
*ioc
,
3836 Mpi2EventDataTemperature_t
*event_data
)
3838 if (ioc
->temp_sensors_count
>= event_data
->SensorNum
) {
3839 printk(MPT2SAS_ERR_FMT
"Temperature Threshold flags %s%s%s%s"
3840 " exceeded for Sensor: %d !!!\n", ioc
->name
,
3841 ((le16_to_cpu(event_data
->Status
) & 0x1) == 1) ? "0 " : " ",
3842 ((le16_to_cpu(event_data
->Status
) & 0x2) == 2) ? "1 " : " ",
3843 ((le16_to_cpu(event_data
->Status
) & 0x4) == 4) ? "2 " : " ",
3844 ((le16_to_cpu(event_data
->Status
) & 0x8) == 8) ? "3 " : " ",
3845 event_data
->SensorNum
);
3846 printk(MPT2SAS_ERR_FMT
"Current Temp In Celsius: %d\n",
3847 ioc
->name
, event_data
->CurrentTemperature
);
3852 * _scsih_flush_running_cmds - completing outstanding commands.
3853 * @ioc: per adapter object
3855 * The flushing out of all pending scmd commands following host reset,
3856 * where all IO is dropped to the floor.
3861 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER
*ioc
)
3863 struct scsi_cmnd
*scmd
;
3867 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
3868 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
3872 mpt2sas_base_free_smid(ioc
, smid
);
3873 scsi_dma_unmap(scmd
);
3874 if (ioc
->pci_error_recovery
)
3875 scmd
->result
= DID_NO_CONNECT
<< 16;
3877 scmd
->result
= DID_RESET
<< 16;
3878 scmd
->scsi_done(scmd
);
3880 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"completing %d cmds\n",
3885 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3886 * @scmd: pointer to scsi command object
3887 * @mpi_request: pointer to the SCSI_IO reqest message frame
3889 * Supporting protection 1 and 3.
3894 _scsih_setup_eedp(struct scsi_cmnd
*scmd
, Mpi2SCSIIORequest_t
*mpi_request
)
3897 unsigned char prot_op
= scsi_get_prot_op(scmd
);
3898 unsigned char prot_type
= scsi_get_prot_type(scmd
);
3900 if (prot_type
== SCSI_PROT_DIF_TYPE0
|| prot_op
== SCSI_PROT_NORMAL
)
3903 if (prot_op
== SCSI_PROT_READ_STRIP
)
3904 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
;
3905 else if (prot_op
== SCSI_PROT_WRITE_INSERT
)
3906 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
;
3910 switch (prot_type
) {
3911 case SCSI_PROT_DIF_TYPE1
:
3912 case SCSI_PROT_DIF_TYPE2
:
3915 * enable ref/guard checking
3916 * auto increment ref tag
3918 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG
|
3919 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG
|
3920 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3921 mpi_request
->CDB
.EEDP32
.PrimaryReferenceTag
=
3922 cpu_to_be32(scsi_get_lba(scmd
));
3925 case SCSI_PROT_DIF_TYPE3
:
3928 * enable guard checking
3930 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3933 mpi_request
->EEDPBlockSize
= cpu_to_le32(scmd
->device
->sector_size
);
3934 mpi_request
->EEDPFlags
= cpu_to_le16(eedp_flags
);
3938 * _scsih_eedp_error_handling - return sense code for EEDP errors
3939 * @scmd: pointer to scsi command object
3940 * @ioc_status: ioc status
3945 _scsih_eedp_error_handling(struct scsi_cmnd
*scmd
, u16 ioc_status
)
3949 switch (ioc_status
) {
3950 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3953 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3956 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3964 scsi_build_sense_buffer(0, scmd
->sense_buffer
, ILLEGAL_REQUEST
, 0x10, ascq
);
3965 scmd
->result
= DRIVER_SENSE
<< 24 | (DID_ABORT
<< 16) |
3966 SAM_STAT_CHECK_CONDITION
;
3970 * _scsih_scsi_direct_io_get - returns direct io flag
3971 * @ioc: per adapter object
3972 * @smid: system request message index
3974 * Returns the smid stored scmd pointer.
3977 _scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
3979 return ioc
->scsi_lookup
[smid
- 1].direct_io
;
3983 * _scsih_scsi_direct_io_set - sets direct io flag
3984 * @ioc: per adapter object
3985 * @smid: system request message index
3986 * @direct_io: Zero or non-zero value to set in the direct_io flag
3991 _scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 direct_io
)
3993 ioc
->scsi_lookup
[smid
- 1].direct_io
= direct_io
;
3998 * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O
3999 * @ioc: per adapter object
4000 * @scmd: pointer to scsi command object
4001 * @raid_device: pointer to raid device data structure
4002 * @mpi_request: pointer to the SCSI_IO reqest message frame
4003 * @smid: system request message index
4008 _scsih_setup_direct_io(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
4009 struct _raid_device
*raid_device
, Mpi2SCSIIORequest_t
*mpi_request
,
4012 sector_t v_lba
, p_lba
, stripe_off
, column
, io_size
;
4013 u32 stripe_sz
, stripe_exp
;
4014 u8 num_pds
, cmd
= scmd
->cmnd
[0];
4016 if (cmd
!= READ_10
&& cmd
!= WRITE_10
&&
4017 cmd
!= READ_16
&& cmd
!= WRITE_16
)
4020 if (cmd
== READ_10
|| cmd
== WRITE_10
)
4021 v_lba
= get_unaligned_be32(&mpi_request
->CDB
.CDB32
[2]);
4023 v_lba
= get_unaligned_be64(&mpi_request
->CDB
.CDB32
[2]);
4025 io_size
= scsi_bufflen(scmd
) >> raid_device
->block_exponent
;
4027 if (v_lba
+ io_size
- 1 > raid_device
->max_lba
)
4030 stripe_sz
= raid_device
->stripe_sz
;
4031 stripe_exp
= raid_device
->stripe_exponent
;
4032 stripe_off
= v_lba
& (stripe_sz
- 1);
4034 /* Return unless IO falls within a stripe */
4035 if (stripe_off
+ io_size
> stripe_sz
)
4038 num_pds
= raid_device
->num_pds
;
4039 p_lba
= v_lba
>> stripe_exp
;
4040 column
= sector_div(p_lba
, num_pds
);
4041 p_lba
= (p_lba
<< stripe_exp
) + stripe_off
;
4043 mpi_request
->DevHandle
= cpu_to_le16(raid_device
->pd_handle
[column
]);
4045 if (cmd
== READ_10
|| cmd
== WRITE_10
)
4046 put_unaligned_be32(lower_32_bits(p_lba
),
4047 &mpi_request
->CDB
.CDB32
[2]);
4049 put_unaligned_be64(p_lba
, &mpi_request
->CDB
.CDB32
[2]);
4051 _scsih_scsi_direct_io_set(ioc
, smid
, 1);
4055 * _scsih_qcmd - main scsi request entry point
4056 * @scmd: pointer to scsi command object
4057 * @done: function pointer to be invoked on completion
4059 * The callback index is set inside `ioc->scsi_io_cb_idx`.
4061 * Returns 0 on success. If there's a failure, return either:
4062 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
4063 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
4066 _scsih_qcmd(struct Scsi_Host
*shost
, struct scsi_cmnd
*scmd
)
4068 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
4069 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
4070 struct MPT2SAS_TARGET
*sas_target_priv_data
;
4071 struct _raid_device
*raid_device
;
4072 Mpi2SCSIIORequest_t
*mpi_request
;
4076 sas_device_priv_data
= scmd
->device
->hostdata
;
4077 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
4078 scmd
->result
= DID_NO_CONNECT
<< 16;
4079 scmd
->scsi_done(scmd
);
4083 if (ioc
->pci_error_recovery
|| ioc
->remove_host
) {
4084 scmd
->result
= DID_NO_CONNECT
<< 16;
4085 scmd
->scsi_done(scmd
);
4089 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
4090 /* invalid device handle */
4091 if (sas_target_priv_data
->handle
== MPT2SAS_INVALID_DEVICE_HANDLE
) {
4092 scmd
->result
= DID_NO_CONNECT
<< 16;
4093 scmd
->scsi_done(scmd
);
4097 /* host recovery or link resets sent via IOCTLs */
4098 if (ioc
->shost_recovery
|| ioc
->ioc_link_reset_in_progress
)
4099 return SCSI_MLQUEUE_HOST_BUSY
;
4100 /* device busy with task management */
4101 else if (sas_device_priv_data
->block
|| sas_target_priv_data
->tm_busy
)
4102 return SCSI_MLQUEUE_DEVICE_BUSY
;
4103 /* device has been deleted */
4104 else if (sas_target_priv_data
->deleted
) {
4105 scmd
->result
= DID_NO_CONNECT
<< 16;
4106 scmd
->scsi_done(scmd
);
4110 if (scmd
->sc_data_direction
== DMA_FROM_DEVICE
)
4111 mpi_control
= MPI2_SCSIIO_CONTROL_READ
;
4112 else if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
4113 mpi_control
= MPI2_SCSIIO_CONTROL_WRITE
;
4115 mpi_control
= MPI2_SCSIIO_CONTROL_NODATATRANSFER
;
4118 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
4120 /* Make sure Device is not raid volume.
4121 * We do not expose raid functionality to upper layer for warpdrive.
4123 if (!ioc
->is_warpdrive
&& !_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
4124 sas_is_tlr_enabled(scmd
->device
) && scmd
->cmd_len
!= 32)
4125 mpi_control
|= MPI2_SCSIIO_CONTROL_TLR_ON
;
4127 smid
= mpt2sas_base_get_smid_scsiio(ioc
, ioc
->scsi_io_cb_idx
, scmd
);
4129 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
4130 ioc
->name
, __func__
);
4133 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
4134 memset(mpi_request
, 0, sizeof(Mpi2SCSIIORequest_t
));
4135 _scsih_setup_eedp(scmd
, mpi_request
);
4136 if (scmd
->cmd_len
== 32)
4137 mpi_control
|= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT
;
4138 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
4139 if (sas_device_priv_data
->sas_target
->flags
&
4140 MPT_TARGET_FLAGS_RAID_COMPONENT
)
4141 mpi_request
->Function
= MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
4143 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
4144 mpi_request
->DevHandle
=
4145 cpu_to_le16(sas_device_priv_data
->sas_target
->handle
);
4146 mpi_request
->DataLength
= cpu_to_le32(scsi_bufflen(scmd
));
4147 mpi_request
->Control
= cpu_to_le32(mpi_control
);
4148 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
);
4149 mpi_request
->MsgFlags
= MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR
;
4150 mpi_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
4151 mpi_request
->SenseBufferLowAddress
=
4152 mpt2sas_base_get_sense_buffer_dma(ioc
, smid
);
4153 mpi_request
->SGLOffset0
= offsetof(Mpi2SCSIIORequest_t
, SGL
) / 4;
4154 mpi_request
->SGLFlags
= cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI
+
4155 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR
);
4156 mpi_request
->VF_ID
= 0; /* TODO */
4157 mpi_request
->VP_ID
= 0;
4158 int_to_scsilun(sas_device_priv_data
->lun
, (struct scsi_lun
*)
4160 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
4162 if (!mpi_request
->DataLength
) {
4163 mpt2sas_base_build_zero_len_sge(ioc
, &mpi_request
->SGL
);
4165 if (_scsih_build_scatter_gather(ioc
, scmd
, smid
)) {
4166 mpt2sas_base_free_smid(ioc
, smid
);
4171 raid_device
= sas_target_priv_data
->raid_device
;
4172 if (raid_device
&& raid_device
->direct_io_enabled
)
4173 _scsih_setup_direct_io(ioc
, scmd
, raid_device
, mpi_request
,
4176 if (likely(mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
))
4177 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
4178 le16_to_cpu(mpi_request
->DevHandle
));
4180 mpt2sas_base_put_smid_default(ioc
, smid
);
4184 return SCSI_MLQUEUE_HOST_BUSY
;
4188 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4189 * @sense_buffer: sense data returned by target
4190 * @data: normalized skey/asc/ascq
4195 _scsih_normalize_sense(char *sense_buffer
, struct sense_info
*data
)
4197 if ((sense_buffer
[0] & 0x7F) >= 0x72) {
4198 /* descriptor format */
4199 data
->skey
= sense_buffer
[1] & 0x0F;
4200 data
->asc
= sense_buffer
[2];
4201 data
->ascq
= sense_buffer
[3];
4204 data
->skey
= sense_buffer
[2] & 0x0F;
4205 data
->asc
= sense_buffer
[12];
4206 data
->ascq
= sense_buffer
[13];
4210 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4212 * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request
4213 * @ioc: per adapter object
4214 * @scmd: pointer to scsi command object
4215 * @mpi_reply: reply mf payload returned from firmware
4217 * scsi_status - SCSI Status code returned from target device
4218 * scsi_state - state info associated with SCSI_IO determined by ioc
4219 * ioc_status - ioc supplied status info
4224 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
4225 Mpi2SCSIIOReply_t
*mpi_reply
, u16 smid
)
4229 u16 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) &
4230 MPI2_IOCSTATUS_MASK
;
4231 u8 scsi_state
= mpi_reply
->SCSIState
;
4232 u8 scsi_status
= mpi_reply
->SCSIStatus
;
4233 char *desc_ioc_state
= NULL
;
4234 char *desc_scsi_status
= NULL
;
4235 char *desc_scsi_state
= ioc
->tmp_string
;
4236 u32 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
4237 struct _sas_device
*sas_device
= NULL
;
4238 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
4239 struct MPT2SAS_TARGET
*priv_target
= starget
->hostdata
;
4240 char *device_str
= NULL
;
4245 if (ioc
->hide_ir_msg
)
4246 device_str
= "WarpDrive";
4248 device_str
= "volume";
4250 if (log_info
== 0x31170000)
4253 switch (ioc_status
) {
4254 case MPI2_IOCSTATUS_SUCCESS
:
4255 desc_ioc_state
= "success";
4257 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
4258 desc_ioc_state
= "invalid function";
4260 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
4261 desc_ioc_state
= "scsi recovered error";
4263 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE
:
4264 desc_ioc_state
= "scsi invalid dev handle";
4266 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
4267 desc_ioc_state
= "scsi device not there";
4269 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
4270 desc_ioc_state
= "scsi data overrun";
4272 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
4273 desc_ioc_state
= "scsi data underrun";
4275 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
4276 desc_ioc_state
= "scsi io data error";
4278 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
4279 desc_ioc_state
= "scsi protocol error";
4281 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
4282 desc_ioc_state
= "scsi task terminated";
4284 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
4285 desc_ioc_state
= "scsi residual mismatch";
4287 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
4288 desc_ioc_state
= "scsi task mgmt failed";
4290 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
4291 desc_ioc_state
= "scsi ioc terminated";
4293 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
4294 desc_ioc_state
= "scsi ext terminated";
4296 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
4297 desc_ioc_state
= "eedp guard error";
4299 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
4300 desc_ioc_state
= "eedp ref tag error";
4302 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
4303 desc_ioc_state
= "eedp app tag error";
4306 desc_ioc_state
= "unknown";
4310 switch (scsi_status
) {
4311 case MPI2_SCSI_STATUS_GOOD
:
4312 desc_scsi_status
= "good";
4314 case MPI2_SCSI_STATUS_CHECK_CONDITION
:
4315 desc_scsi_status
= "check condition";
4317 case MPI2_SCSI_STATUS_CONDITION_MET
:
4318 desc_scsi_status
= "condition met";
4320 case MPI2_SCSI_STATUS_BUSY
:
4321 desc_scsi_status
= "busy";
4323 case MPI2_SCSI_STATUS_INTERMEDIATE
:
4324 desc_scsi_status
= "intermediate";
4326 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET
:
4327 desc_scsi_status
= "intermediate condmet";
4329 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT
:
4330 desc_scsi_status
= "reservation conflict";
4332 case MPI2_SCSI_STATUS_COMMAND_TERMINATED
:
4333 desc_scsi_status
= "command terminated";
4335 case MPI2_SCSI_STATUS_TASK_SET_FULL
:
4336 desc_scsi_status
= "task set full";
4338 case MPI2_SCSI_STATUS_ACA_ACTIVE
:
4339 desc_scsi_status
= "aca active";
4341 case MPI2_SCSI_STATUS_TASK_ABORTED
:
4342 desc_scsi_status
= "task aborted";
4345 desc_scsi_status
= "unknown";
4349 desc_scsi_state
[0] = '\0';
4351 desc_scsi_state
= " ";
4352 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
4353 strcat(desc_scsi_state
, "response info ");
4354 if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4355 strcat(desc_scsi_state
, "state terminated ");
4356 if (scsi_state
& MPI2_SCSI_STATE_NO_SCSI_STATUS
)
4357 strcat(desc_scsi_state
, "no status ");
4358 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_FAILED
)
4359 strcat(desc_scsi_state
, "autosense failed ");
4360 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
)
4361 strcat(desc_scsi_state
, "autosense valid ");
4363 scsi_print_command(scmd
);
4365 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
4366 printk(MPT2SAS_WARN_FMT
"\t%s wwid(0x%016llx)\n", ioc
->name
,
4367 device_str
, (unsigned long long)priv_target
->sas_address
);
4369 sas_device
= mpt2sas_get_sdev_from_target(ioc
, priv_target
);
4371 printk(MPT2SAS_WARN_FMT
"\tsas_address(0x%016llx), "
4372 "phy(%d)\n", ioc
->name
, sas_device
->sas_address
,
4374 printk(MPT2SAS_WARN_FMT
4375 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
4376 ioc
->name
, sas_device
->enclosure_logical_id
,
4379 sas_device_put(sas_device
);
4383 printk(MPT2SAS_WARN_FMT
"\thandle(0x%04x), ioc_status(%s)(0x%04x), "
4384 "smid(%d)\n", ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
),
4385 desc_ioc_state
, ioc_status
, smid
);
4386 printk(MPT2SAS_WARN_FMT
"\trequest_len(%d), underflow(%d), "
4387 "resid(%d)\n", ioc
->name
, scsi_bufflen(scmd
), scmd
->underflow
,
4388 scsi_get_resid(scmd
));
4389 printk(MPT2SAS_WARN_FMT
"\ttag(%d), transfer_count(%d), "
4390 "sc->result(0x%08x)\n", ioc
->name
, le16_to_cpu(mpi_reply
->TaskTag
),
4391 le32_to_cpu(mpi_reply
->TransferCount
), scmd
->result
);
4392 printk(MPT2SAS_WARN_FMT
"\tscsi_status(%s)(0x%02x), "
4393 "scsi_state(%s)(0x%02x)\n", ioc
->name
, desc_scsi_status
,
4394 scsi_status
, desc_scsi_state
, scsi_state
);
4396 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
4397 struct sense_info data
;
4398 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
4399 printk(MPT2SAS_WARN_FMT
"\t[sense_key,asc,ascq]: "
4400 "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc
->name
, data
.skey
,
4401 data
.asc
, data
.ascq
, le32_to_cpu(mpi_reply
->SenseCount
));
4404 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
) {
4405 response_info
= le32_to_cpu(mpi_reply
->ResponseInfo
);
4406 response_bytes
= (u8
*)&response_info
;
4407 _scsih_response_code(ioc
, response_bytes
[0]);
4413 * _scsih_turn_on_pfa_led - illuminate PFA LED
4414 * @ioc: per adapter object
4415 * @handle: device handle
4421 _scsih_turn_on_pfa_led(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4423 Mpi2SepReply_t mpi_reply
;
4424 Mpi2SepRequest_t mpi_request
;
4425 struct _sas_device
*sas_device
;
4427 sas_device
= mpt2sas_get_sdev_by_handle(ioc
, handle
);
4431 memset(&mpi_request
, 0, sizeof(Mpi2SepRequest_t
));
4432 mpi_request
.Function
= MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
;
4433 mpi_request
.Action
= MPI2_SEP_REQ_ACTION_WRITE_STATUS
;
4434 mpi_request
.SlotStatus
=
4435 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT
);
4436 mpi_request
.DevHandle
= cpu_to_le16(handle
);
4437 mpi_request
.Flags
= MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS
;
4438 if ((mpt2sas_base_scsi_enclosure_processor(ioc
, &mpi_reply
,
4439 &mpi_request
)) != 0) {
4440 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
4441 __FILE__
, __LINE__
, __func__
);
4444 sas_device
->pfa_led_on
= 1;
4447 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
) {
4448 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
4449 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4450 ioc
->name
, le16_to_cpu(mpi_reply
.IOCStatus
),
4451 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
4455 sas_device_put(sas_device
);
4459 * _scsih_turn_off_pfa_led - turn off PFA LED
4460 * @ioc: per adapter object
4461 * @sas_device: sas device whose PFA LED has to turned off
4467 _scsih_turn_off_pfa_led(struct MPT2SAS_ADAPTER
*ioc
,
4468 struct _sas_device
*sas_device
)
4470 Mpi2SepReply_t mpi_reply
;
4471 Mpi2SepRequest_t mpi_request
;
4473 memset(&mpi_request
, 0, sizeof(Mpi2SepRequest_t
));
4474 mpi_request
.Function
= MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
;
4475 mpi_request
.Action
= MPI2_SEP_REQ_ACTION_WRITE_STATUS
;
4476 mpi_request
.SlotStatus
= 0;
4477 mpi_request
.Slot
= cpu_to_le16(sas_device
->slot
);
4478 mpi_request
.DevHandle
= 0;
4479 mpi_request
.EnclosureHandle
= cpu_to_le16(sas_device
->enclosure_handle
);
4480 mpi_request
.Flags
= MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS
;
4481 if ((mpt2sas_base_scsi_enclosure_processor(ioc
, &mpi_reply
,
4482 &mpi_request
)) != 0) {
4483 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
4484 __FILE__
, __LINE__
, __func__
);
4488 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
) {
4489 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"enclosure_processor: "
4490 "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc
->name
,
4491 le16_to_cpu(mpi_reply
.IOCStatus
),
4492 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
4498 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
4499 * @ioc: per adapter object
4500 * @handle: device handle
4501 * Context: interrupt.
4506 _scsih_send_event_to_turn_on_pfa_led(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4508 struct fw_event_work
*fw_event
;
4510 fw_event
= alloc_fw_event_work(0);
4513 fw_event
->event
= MPT2SAS_TURN_ON_PFA_LED
;
4514 fw_event
->device_handle
= handle
;
4515 fw_event
->ioc
= ioc
;
4516 _scsih_fw_event_add(ioc
, fw_event
);
4517 fw_event_work_put(fw_event
);
4521 * _scsih_smart_predicted_fault - process smart errors
4522 * @ioc: per adapter object
4523 * @handle: device handle
4524 * Context: interrupt.
4529 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4531 struct scsi_target
*starget
;
4532 struct MPT2SAS_TARGET
*sas_target_priv_data
;
4533 Mpi2EventNotificationReply_t
*event_reply
;
4534 Mpi2EventDataSasDeviceStatusChange_t
*event_data
;
4535 struct _sas_device
*sas_device
;
4537 unsigned long flags
;
4539 /* only handle non-raid devices */
4540 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4541 sas_device
= __mpt2sas_get_sdev_by_handle(ioc
, handle
);
4545 starget
= sas_device
->starget
;
4546 sas_target_priv_data
= starget
->hostdata
;
4548 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) ||
4549 ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
)))
4552 starget_printk(KERN_WARNING
, starget
, "predicted fault\n");
4553 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4555 if (ioc
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_IBM
)
4556 _scsih_send_event_to_turn_on_pfa_led(ioc
, handle
);
4558 /* insert into event log */
4559 sz
= offsetof(Mpi2EventNotificationReply_t
, EventData
) +
4560 sizeof(Mpi2EventDataSasDeviceStatusChange_t
);
4561 event_reply
= kzalloc(sz
, GFP_ATOMIC
);
4563 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4564 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4568 event_reply
->Function
= MPI2_FUNCTION_EVENT_NOTIFICATION
;
4569 event_reply
->Event
=
4570 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
);
4571 event_reply
->MsgLength
= sz
/4;
4572 event_reply
->EventDataLength
=
4573 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t
)/4);
4574 event_data
= (Mpi2EventDataSasDeviceStatusChange_t
*)
4575 event_reply
->EventData
;
4576 event_data
->ReasonCode
= MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
;
4577 event_data
->ASC
= 0x5D;
4578 event_data
->DevHandle
= cpu_to_le16(handle
);
4579 event_data
->SASAddress
= cpu_to_le64(sas_target_priv_data
->sas_address
);
4580 mpt2sas_ctl_add_to_event_log(ioc
, event_reply
);
4584 sas_device_put(sas_device
);
4588 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4593 * _scsih_io_done - scsi request callback
4594 * @ioc: per adapter object
4595 * @smid: system request message index
4596 * @msix_index: MSIX table index supplied by the OS
4597 * @reply: reply message frame(lower 32bit addr)
4599 * Callback handler when using _scsih_qcmd.
4601 * Return 1 meaning mf should be freed from _base_interrupt
4602 * 0 means the mf is freed from this function.
4605 _scsih_io_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
4607 Mpi2SCSIIORequest_t
*mpi_request
;
4608 Mpi2SCSIIOReply_t
*mpi_reply
;
4609 struct scsi_cmnd
*scmd
;
4615 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
4616 u32 response_code
= 0;
4617 unsigned long flags
;
4619 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
4620 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
4624 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
4626 if (mpi_reply
== NULL
) {
4627 scmd
->result
= DID_OK
<< 16;
4631 sas_device_priv_data
= scmd
->device
->hostdata
;
4632 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
||
4633 sas_device_priv_data
->sas_target
->deleted
) {
4634 scmd
->result
= DID_NO_CONNECT
<< 16;
4637 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
4639 * WARPDRIVE: If direct_io is set then it is directIO,
4640 * the failed direct I/O should be redirected to volume
4642 if (_scsih_scsi_direct_io_get(ioc
, smid
) &&
4643 ((ioc_status
& MPI2_IOCSTATUS_MASK
)
4644 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
)) {
4645 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
4646 ioc
->scsi_lookup
[smid
- 1].scmd
= scmd
;
4647 _scsih_scsi_direct_io_set(ioc
, smid
, 0);
4648 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
4649 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
4650 mpi_request
->DevHandle
=
4651 cpu_to_le16(sas_device_priv_data
->sas_target
->handle
);
4652 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
4653 sas_device_priv_data
->sas_target
->handle
);
4658 /* turning off TLR */
4659 scsi_state
= mpi_reply
->SCSIState
;
4660 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
4662 le32_to_cpu(mpi_reply
->ResponseInfo
) & 0xFF;
4663 if (!sas_device_priv_data
->tlr_snoop_check
) {
4664 sas_device_priv_data
->tlr_snoop_check
++;
4665 /* Make sure Device is not raid volume.
4666 * We do not expose raid functionality to upper layer for warpdrive.
4668 if (!ioc
->is_warpdrive
&& !_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
4669 sas_is_tlr_enabled(scmd
->device
) &&
4670 response_code
== MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
) {
4671 sas_disable_tlr(scmd
->device
);
4672 sdev_printk(KERN_INFO
, scmd
->device
, "TLR disabled\n");
4676 xfer_cnt
= le32_to_cpu(mpi_reply
->TransferCount
);
4677 scsi_set_resid(scmd
, scsi_bufflen(scmd
) - xfer_cnt
);
4678 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
4679 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
4682 ioc_status
&= MPI2_IOCSTATUS_MASK
;
4683 scsi_status
= mpi_reply
->SCSIStatus
;
4685 if (ioc_status
== MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
&& xfer_cnt
== 0 &&
4686 (scsi_status
== MPI2_SCSI_STATUS_BUSY
||
4687 scsi_status
== MPI2_SCSI_STATUS_RESERVATION_CONFLICT
||
4688 scsi_status
== MPI2_SCSI_STATUS_TASK_SET_FULL
)) {
4689 ioc_status
= MPI2_IOCSTATUS_SUCCESS
;
4692 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
4693 struct sense_info data
;
4694 const void *sense_data
= mpt2sas_base_get_sense_buffer(ioc
,
4696 u32 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
4697 le32_to_cpu(mpi_reply
->SenseCount
));
4698 memcpy(scmd
->sense_buffer
, sense_data
, sz
);
4699 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
4700 /* failure prediction threshold exceeded */
4701 if (data
.asc
== 0x5D)
4702 _scsih_smart_predicted_fault(ioc
,
4703 le16_to_cpu(mpi_reply
->DevHandle
));
4706 switch (ioc_status
) {
4707 case MPI2_IOCSTATUS_BUSY
:
4708 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES
:
4709 scmd
->result
= SAM_STAT_BUSY
;
4712 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
4713 scmd
->result
= DID_NO_CONNECT
<< 16;
4716 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
4717 if (sas_device_priv_data
->block
) {
4718 scmd
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
4721 if (log_info
== 0x32010081) {
4722 scmd
->result
= DID_RESET
<< 16;
4725 scmd
->result
= DID_SOFT_ERROR
<< 16;
4727 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
4728 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
4729 scmd
->result
= DID_RESET
<< 16;
4732 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
4733 if ((xfer_cnt
== 0) || (scmd
->underflow
> xfer_cnt
))
4734 scmd
->result
= DID_SOFT_ERROR
<< 16;
4736 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4739 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
4740 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4742 if ((scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
))
4745 if (xfer_cnt
< scmd
->underflow
) {
4746 if (scsi_status
== SAM_STAT_BUSY
)
4747 scmd
->result
= SAM_STAT_BUSY
;
4749 scmd
->result
= DID_SOFT_ERROR
<< 16;
4750 } else if (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4751 MPI2_SCSI_STATE_NO_SCSI_STATUS
))
4752 scmd
->result
= DID_SOFT_ERROR
<< 16;
4753 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4754 scmd
->result
= DID_RESET
<< 16;
4755 else if (!xfer_cnt
&& scmd
->cmnd
[0] == REPORT_LUNS
) {
4756 mpi_reply
->SCSIState
= MPI2_SCSI_STATE_AUTOSENSE_VALID
;
4757 mpi_reply
->SCSIStatus
= SAM_STAT_CHECK_CONDITION
;
4758 scmd
->result
= (DRIVER_SENSE
<< 24) |
4759 SAM_STAT_CHECK_CONDITION
;
4760 scmd
->sense_buffer
[0] = 0x70;
4761 scmd
->sense_buffer
[2] = ILLEGAL_REQUEST
;
4762 scmd
->sense_buffer
[12] = 0x20;
4763 scmd
->sense_buffer
[13] = 0;
4767 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
4768 scsi_set_resid(scmd
, 0);
4769 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
4770 case MPI2_IOCSTATUS_SUCCESS
:
4771 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4772 if (response_code
==
4773 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
||
4774 (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4775 MPI2_SCSI_STATE_NO_SCSI_STATUS
)))
4776 scmd
->result
= DID_SOFT_ERROR
<< 16;
4777 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4778 scmd
->result
= DID_RESET
<< 16;
4781 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
4782 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
4783 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
4784 _scsih_eedp_error_handling(scmd
, ioc_status
);
4786 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
4787 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
4788 case MPI2_IOCSTATUS_INVALID_SGL
:
4789 case MPI2_IOCSTATUS_INTERNAL_ERROR
:
4790 case MPI2_IOCSTATUS_INVALID_FIELD
:
4791 case MPI2_IOCSTATUS_INVALID_STATE
:
4792 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
4793 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
4795 scmd
->result
= DID_SOFT_ERROR
<< 16;
4800 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4801 if (scmd
->result
&& (ioc
->logging_level
& MPT_DEBUG_REPLY
))
4802 _scsih_scsi_ioc_info(ioc
, scmd
, mpi_reply
, smid
);
4806 scsi_dma_unmap(scmd
);
4807 scmd
->scsi_done(scmd
);
4812 * _scsih_sas_host_refresh - refreshing sas host object contents
4813 * @ioc: per adapter object
4816 * During port enable, fw will send topology events for every device. Its
4817 * possible that the handles may change from the previous setting, so this
4818 * code keeping handles updating if changed.
4823 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER
*ioc
)
4828 Mpi2ConfigReply_t mpi_reply
;
4829 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4830 u16 attached_handle
;
4833 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
4834 "updating handles for sas_host(0x%016llx)\n",
4835 ioc
->name
, (unsigned long long)ioc
->sas_hba
.sas_address
));
4837 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
4838 * sizeof(Mpi2SasIOUnit0PhyData_t
));
4839 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4840 if (!sas_iounit_pg0
) {
4841 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4842 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4846 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4847 sas_iounit_pg0
, sz
)) != 0)
4849 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4850 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4852 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4853 link_rate
= sas_iounit_pg0
->PhyData
[i
].NegotiatedLinkRate
>> 4;
4855 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4856 PhyData
[0].ControllerDevHandle
);
4857 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4858 attached_handle
= le16_to_cpu(sas_iounit_pg0
->PhyData
[i
].
4860 if (attached_handle
&& link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
4861 link_rate
= MPI2_SAS_NEG_LINK_RATE_1_5
;
4862 mpt2sas_transport_update_links(ioc
, ioc
->sas_hba
.sas_address
,
4863 attached_handle
, i
, link_rate
);
4866 kfree(sas_iounit_pg0
);
4870 * _scsih_sas_host_add - create sas host object
4871 * @ioc: per adapter object
4873 * Creating host side data object, stored in ioc->sas_hba
4878 _scsih_sas_host_add(struct MPT2SAS_ADAPTER
*ioc
)
4881 Mpi2ConfigReply_t mpi_reply
;
4882 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4883 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
4884 Mpi2SasPhyPage0_t phy_pg0
;
4885 Mpi2SasDevicePage0_t sas_device_pg0
;
4886 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4889 u16 device_missing_delay
;
4891 mpt2sas_config_get_number_hba_phys(ioc
, &ioc
->sas_hba
.num_phys
);
4892 if (!ioc
->sas_hba
.num_phys
) {
4893 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4894 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4898 /* sas_iounit page 0 */
4899 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4900 sizeof(Mpi2SasIOUnit0PhyData_t
));
4901 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4902 if (!sas_iounit_pg0
) {
4903 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4904 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4907 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4908 sas_iounit_pg0
, sz
))) {
4909 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4910 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4913 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4914 MPI2_IOCSTATUS_MASK
;
4915 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4916 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4917 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4921 /* sas_iounit page 1 */
4922 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4923 sizeof(Mpi2SasIOUnit1PhyData_t
));
4924 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
4925 if (!sas_iounit_pg1
) {
4926 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4927 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4930 if ((mpt2sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
4931 sas_iounit_pg1
, sz
))) {
4932 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4933 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4936 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4937 MPI2_IOCSTATUS_MASK
;
4938 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4939 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4940 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4944 ioc
->io_missing_delay
=
4945 le16_to_cpu(sas_iounit_pg1
->IODeviceMissingDelay
);
4946 device_missing_delay
=
4947 le16_to_cpu(sas_iounit_pg1
->ReportDeviceMissingDelay
);
4948 if (device_missing_delay
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
4949 ioc
->device_missing_delay
= (device_missing_delay
&
4950 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
4952 ioc
->device_missing_delay
= device_missing_delay
&
4953 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
4955 ioc
->sas_hba
.parent_dev
= &ioc
->shost
->shost_gendev
;
4956 ioc
->sas_hba
.phy
= kcalloc(ioc
->sas_hba
.num_phys
,
4957 sizeof(struct _sas_phy
), GFP_KERNEL
);
4958 if (!ioc
->sas_hba
.phy
) {
4959 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4960 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4963 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4964 if ((mpt2sas_config_get_phy_pg0(ioc
, &mpi_reply
, &phy_pg0
,
4966 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4967 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4970 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4971 MPI2_IOCSTATUS_MASK
;
4972 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4973 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4974 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4979 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4980 PhyData
[0].ControllerDevHandle
);
4981 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4982 ioc
->sas_hba
.phy
[i
].phy_id
= i
;
4983 mpt2sas_transport_add_host_phy(ioc
, &ioc
->sas_hba
.phy
[i
],
4984 phy_pg0
, ioc
->sas_hba
.parent_dev
);
4986 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4987 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, ioc
->sas_hba
.handle
))) {
4988 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4989 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4992 ioc
->sas_hba
.enclosure_handle
=
4993 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4994 ioc
->sas_hba
.sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4995 printk(MPT2SAS_INFO_FMT
"host_add: handle(0x%04x), "
4996 "sas_addr(0x%016llx), phys(%d)\n", ioc
->name
, ioc
->sas_hba
.handle
,
4997 (unsigned long long) ioc
->sas_hba
.sas_address
,
4998 ioc
->sas_hba
.num_phys
) ;
5000 if (ioc
->sas_hba
.enclosure_handle
) {
5001 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
5003 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
5004 ioc
->sas_hba
.enclosure_handle
))) {
5005 ioc
->sas_hba
.enclosure_logical_id
=
5006 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
5011 kfree(sas_iounit_pg1
);
5012 kfree(sas_iounit_pg0
);
5016 * _scsih_expander_add - creating expander object
5017 * @ioc: per adapter object
5018 * @handle: expander handle
5020 * Creating expander object, stored in ioc->sas_expander_list.
5022 * Return 0 for success, else error.
5025 _scsih_expander_add(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
5027 struct _sas_node
*sas_expander
;
5028 Mpi2ConfigReply_t mpi_reply
;
5029 Mpi2ExpanderPage0_t expander_pg0
;
5030 Mpi2ExpanderPage1_t expander_pg1
;
5031 Mpi2SasEnclosurePage0_t enclosure_pg0
;
5034 u64 sas_address
, sas_address_parent
= 0;
5036 unsigned long flags
;
5037 struct _sas_port
*mpt2sas_port
= NULL
;
5043 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
5046 if ((mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
5047 MPI2_SAS_EXPAND_PGAD_FORM_HNDL
, handle
))) {
5048 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5049 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5053 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5054 MPI2_IOCSTATUS_MASK
;
5055 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5056 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5057 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5061 /* handle out of order topology events */
5062 parent_handle
= le16_to_cpu(expander_pg0
.ParentDevHandle
);
5063 if (_scsih_get_sas_address(ioc
, parent_handle
, &sas_address_parent
)
5065 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5066 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5069 if (sas_address_parent
!= ioc
->sas_hba
.sas_address
) {
5070 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5071 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
5072 sas_address_parent
);
5073 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5074 if (!sas_expander
) {
5075 rc
= _scsih_expander_add(ioc
, parent_handle
);
5081 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5082 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
5083 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
5085 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5090 sas_expander
= kzalloc(sizeof(struct _sas_node
),
5092 if (!sas_expander
) {
5093 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5094 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5098 sas_expander
->handle
= handle
;
5099 sas_expander
->num_phys
= expander_pg0
.NumPhys
;
5100 sas_expander
->sas_address_parent
= sas_address_parent
;
5101 sas_expander
->sas_address
= sas_address
;
5103 printk(MPT2SAS_INFO_FMT
"expander_add: handle(0x%04x),"
5104 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc
->name
,
5105 handle
, parent_handle
, (unsigned long long)
5106 sas_expander
->sas_address
, sas_expander
->num_phys
);
5108 if (!sas_expander
->num_phys
)
5110 sas_expander
->phy
= kcalloc(sas_expander
->num_phys
,
5111 sizeof(struct _sas_phy
), GFP_KERNEL
);
5112 if (!sas_expander
->phy
) {
5113 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5114 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5119 INIT_LIST_HEAD(&sas_expander
->sas_port_list
);
5120 mpt2sas_port
= mpt2sas_transport_port_add(ioc
, handle
,
5121 sas_address_parent
);
5122 if (!mpt2sas_port
) {
5123 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5124 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5128 sas_expander
->parent_dev
= &mpt2sas_port
->rphy
->dev
;
5130 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
5131 if ((mpt2sas_config_get_expander_pg1(ioc
, &mpi_reply
,
5132 &expander_pg1
, i
, handle
))) {
5133 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5134 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5138 sas_expander
->phy
[i
].handle
= handle
;
5139 sas_expander
->phy
[i
].phy_id
= i
;
5141 if ((mpt2sas_transport_add_expander_phy(ioc
,
5142 &sas_expander
->phy
[i
], expander_pg1
,
5143 sas_expander
->parent_dev
))) {
5144 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5145 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5151 if (sas_expander
->enclosure_handle
) {
5152 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
5153 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
5154 sas_expander
->enclosure_handle
))) {
5155 sas_expander
->enclosure_logical_id
=
5156 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
5160 _scsih_expander_node_add(ioc
, sas_expander
);
5166 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
5167 sas_address_parent
);
5168 kfree(sas_expander
);
5173 * _scsih_done - scsih callback handler.
5174 * @ioc: per adapter object
5175 * @smid: system request message index
5176 * @msix_index: MSIX table index supplied by the OS
5177 * @reply: reply message frame(lower 32bit addr)
5179 * Callback handler when sending internal generated message frames.
5180 * The callback index passed is `ioc->scsih_cb_idx`
5182 * Return 1 meaning mf should be freed from _base_interrupt
5183 * 0 means the mf is freed from this function.
5186 _scsih_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
5188 MPI2DefaultReply_t
*mpi_reply
;
5190 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
5191 if (ioc
->scsih_cmds
.status
== MPT2_CMD_NOT_USED
)
5193 if (ioc
->scsih_cmds
.smid
!= smid
)
5195 ioc
->scsih_cmds
.status
|= MPT2_CMD_COMPLETE
;
5197 memcpy(ioc
->scsih_cmds
.reply
, mpi_reply
,
5198 mpi_reply
->MsgLength
*4);
5199 ioc
->scsih_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
5201 ioc
->scsih_cmds
.status
&= ~MPT2_CMD_PENDING
;
5202 complete(&ioc
->scsih_cmds
.done
);
5207 * mpt2sas_expander_remove - removing expander object
5208 * @ioc: per adapter object
5209 * @sas_address: expander sas_address
5214 mpt2sas_expander_remove(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
)
5216 struct _sas_node
*sas_expander
;
5217 unsigned long flags
;
5219 if (ioc
->shost_recovery
)
5222 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5223 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
5226 list_del(&sas_expander
->list
);
5227 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5229 _scsih_expander_node_remove(ioc
, sas_expander
);
5233 * _scsih_check_access_status - check access flags
5234 * @ioc: per adapter object
5235 * @sas_address: sas address
5236 * @handle: sas device handle
5237 * @access_flags: errors returned during discovery of the device
5239 * Return 0 for success, else failure
5242 _scsih_check_access_status(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
5243 u16 handle
, u8 access_status
)
5248 switch (access_status
) {
5249 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS
:
5250 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION
:
5253 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED
:
5254 desc
= "sata capability failed";
5256 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT
:
5257 desc
= "sata affiliation conflict";
5259 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE
:
5260 desc
= "route not addressable";
5262 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE
:
5263 desc
= "smp error not addressable";
5265 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED
:
5266 desc
= "device blocked";
5268 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED
:
5269 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN
:
5270 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT
:
5271 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG
:
5272 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION
:
5273 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER
:
5274 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN
:
5275 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN
:
5276 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN
:
5277 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION
:
5278 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE
:
5279 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX
:
5280 desc
= "sata initialization failed";
5290 printk(MPT2SAS_ERR_FMT
"discovery errors(%s): sas_address(0x%016llx), "
5291 "handle(0x%04x)\n", ioc
->name
, desc
,
5292 (unsigned long long)sas_address
, handle
);
5297 _scsih_check_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
5299 Mpi2ConfigReply_t mpi_reply
;
5300 Mpi2SasDevicePage0_t sas_device_pg0
;
5301 struct _sas_device
*sas_device
;
5303 unsigned long flags
;
5305 struct scsi_target
*starget
;
5306 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5310 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5311 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
)))
5314 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
5315 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
5318 /* check if this is end device */
5319 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
5320 if (!(_scsih_is_end_device(device_info
)))
5323 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5324 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
5325 sas_device
= __mpt2sas_get_sdev_by_addr(ioc
,
5329 printk(MPT2SAS_ERR_FMT
"device is not present "
5330 "handle(0x%04x), no sas_device!!!\n", ioc
->name
, handle
);
5334 if (unlikely(sas_device
->handle
!= handle
)) {
5335 starget
= sas_device
->starget
;
5336 sas_target_priv_data
= starget
->hostdata
;
5337 starget_printk(KERN_INFO
, starget
, "handle changed from(0x%04x)"
5338 " to (0x%04x)!!!\n", sas_device
->handle
, handle
);
5339 sas_target_priv_data
->handle
= handle
;
5340 sas_device
->handle
= handle
;
5343 /* check if device is present */
5344 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
5345 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
5346 printk(MPT2SAS_ERR_FMT
"device is not present "
5347 "handle(0x%04x), flags!!!\n", ioc
->name
, handle
);
5351 /* check if there were any issues with discovery */
5352 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
5353 sas_device_pg0
.AccessStatus
))
5356 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5357 _scsih_ublock_io_device(ioc
, sas_address
);
5359 sas_device_put(sas_device
);
5363 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5365 sas_device_put(sas_device
);
5369 * _scsih_add_device - creating sas device object
5370 * @ioc: per adapter object
5371 * @handle: sas device handle
5372 * @phy_num: phy number end device attached to
5373 * @is_pd: is this hidden raid component
5375 * Creating end device object, stored in ioc->sas_device_list.
5377 * Returns 0 for success, non-zero for failure.
5380 _scsih_add_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, u8 phy_num
, u8 is_pd
)
5382 Mpi2ConfigReply_t mpi_reply
;
5383 Mpi2SasDevicePage0_t sas_device_pg0
;
5384 Mpi2SasEnclosurePage0_t enclosure_pg0
;
5385 struct _sas_device
*sas_device
;
5390 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5391 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
5392 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5393 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5397 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5398 MPI2_IOCSTATUS_MASK
;
5399 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5400 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5401 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5405 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
5407 /* check if device is present */
5408 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
5409 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
5410 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5411 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5412 printk(MPT2SAS_ERR_FMT
"Flags = 0x%04x\n",
5413 ioc
->name
, le16_to_cpu(sas_device_pg0
.Flags
));
5417 /* check if there were any issues with discovery */
5418 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
5419 sas_device_pg0
.AccessStatus
))
5422 /* check if this is end device */
5423 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
5424 if (!(_scsih_is_end_device(device_info
))) {
5425 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5426 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5430 sas_device
= mpt2sas_get_sdev_by_addr(ioc
,
5434 sas_device_put(sas_device
);
5438 sas_device
= kzalloc(sizeof(struct _sas_device
),
5441 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5442 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5446 kref_init(&sas_device
->refcount
);
5447 sas_device
->handle
= handle
;
5448 if (_scsih_get_sas_address(ioc
, le16_to_cpu
5449 (sas_device_pg0
.ParentDevHandle
),
5450 &sas_device
->sas_address_parent
) != 0)
5451 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5452 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5453 sas_device
->enclosure_handle
=
5454 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
5456 le16_to_cpu(sas_device_pg0
.Slot
);
5457 sas_device
->device_info
= device_info
;
5458 sas_device
->sas_address
= sas_address
;
5459 sas_device
->phy
= sas_device_pg0
.PhyNum
;
5461 /* get enclosure_logical_id */
5462 if (sas_device
->enclosure_handle
&& !(mpt2sas_config_get_enclosure_pg0(
5463 ioc
, &mpi_reply
, &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
5464 sas_device
->enclosure_handle
)))
5465 sas_device
->enclosure_logical_id
=
5466 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
5468 /* get device name */
5469 sas_device
->device_name
= le64_to_cpu(sas_device_pg0
.DeviceName
);
5471 if (ioc
->wait_for_discovery_to_complete
)
5472 _scsih_sas_device_init_add(ioc
, sas_device
);
5474 _scsih_sas_device_add(ioc
, sas_device
);
5476 sas_device_put(sas_device
);
5481 * _scsih_remove_device - removing sas device object
5482 * @ioc: per adapter object
5483 * @sas_device_delete: the sas_device object
5488 _scsih_remove_device(struct MPT2SAS_ADAPTER
*ioc
,
5489 struct _sas_device
*sas_device
)
5491 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5493 if ((ioc
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_IBM
) &&
5494 (sas_device
->pfa_led_on
)) {
5495 _scsih_turn_off_pfa_led(ioc
, sas_device
);
5496 sas_device
->pfa_led_on
= 0;
5499 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter: "
5500 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
5501 sas_device
->handle
, (unsigned long long)
5502 sas_device
->sas_address
));
5504 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
5505 sas_target_priv_data
= sas_device
->starget
->hostdata
;
5506 sas_target_priv_data
->deleted
= 1;
5507 _scsih_ublock_io_device(ioc
, sas_device
->sas_address
);
5508 sas_target_priv_data
->handle
=
5509 MPT2SAS_INVALID_DEVICE_HANDLE
;
5512 if (!ioc
->hide_drives
)
5513 mpt2sas_transport_port_remove(ioc
,
5514 sas_device
->sas_address
,
5515 sas_device
->sas_address_parent
);
5517 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), sas_addr"
5518 "(0x%016llx)\n", ioc
->name
, sas_device
->handle
,
5519 (unsigned long long) sas_device
->sas_address
);
5521 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: exit: "
5522 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
5523 sas_device
->handle
, (unsigned long long)
5524 sas_device
->sas_address
));
5527 * _scsih_device_remove_by_handle - removing device object by handle
5528 * @ioc: per adapter object
5529 * @handle: device handle
5534 _scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
5536 struct _sas_device
*sas_device
;
5537 unsigned long flags
;
5539 if (ioc
->shost_recovery
)
5542 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5543 sas_device
= __mpt2sas_get_sdev_by_handle(ioc
, handle
);
5545 list_del_init(&sas_device
->list
);
5546 sas_device_put(sas_device
);
5548 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5551 _scsih_remove_device(ioc
, sas_device
);
5552 sas_device_put(sas_device
);
5557 * mpt2sas_device_remove_by_sas_address - removing device object by sas address
5558 * @ioc: per adapter object
5559 * @sas_address: device sas_address
5564 mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
5567 struct _sas_device
*sas_device
;
5568 unsigned long flags
;
5570 if (ioc
->shost_recovery
)
5573 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5574 sas_device
= __mpt2sas_get_sdev_by_addr(ioc
, sas_address
);
5576 list_del_init(&sas_device
->list
);
5577 sas_device_put(sas_device
);
5579 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5582 _scsih_remove_device(ioc
, sas_device
);
5583 sas_device_put(sas_device
);
5586 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5588 * _scsih_sas_topology_change_event_debug - debug for topology event
5589 * @ioc: per adapter object
5590 * @event_data: event data payload
5594 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5595 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
5601 char *status_str
= NULL
;
5602 u8 link_rate
, prev_link_rate
;
5604 switch (event_data
->ExpStatus
) {
5605 case MPI2_EVENT_SAS_TOPO_ES_ADDED
:
5608 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
:
5609 status_str
= "remove";
5611 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING
:
5613 status_str
= "responding";
5615 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
:
5616 status_str
= "remove delay";
5619 status_str
= "unknown status";
5622 printk(MPT2SAS_INFO_FMT
"sas topology change: (%s)\n",
5623 ioc
->name
, status_str
);
5624 printk(KERN_INFO
"\thandle(0x%04x), enclosure_handle(0x%04x) "
5625 "start_phy(%02d), count(%d)\n",
5626 le16_to_cpu(event_data
->ExpanderDevHandle
),
5627 le16_to_cpu(event_data
->EnclosureHandle
),
5628 event_data
->StartPhyNum
, event_data
->NumEntries
);
5629 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
5630 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
5633 phy_number
= event_data
->StartPhyNum
+ i
;
5634 reason_code
= event_data
->PHY
[i
].PhyStatus
&
5635 MPI2_EVENT_SAS_TOPO_RC_MASK
;
5636 switch (reason_code
) {
5637 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
5638 status_str
= "target add";
5640 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5641 status_str
= "target remove";
5643 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
:
5644 status_str
= "delay target remove";
5646 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5647 status_str
= "link rate change";
5649 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE
:
5650 status_str
= "target responding";
5653 status_str
= "unknown";
5656 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5657 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5658 printk(KERN_INFO
"\tphy(%02d), attached_handle(0x%04x): %s:"
5659 " link rate: new(0x%02x), old(0x%02x)\n", phy_number
,
5660 handle
, status_str
, link_rate
, prev_link_rate
);
5667 * _scsih_sas_topology_change_event - handle topology changes
5668 * @ioc: per adapter object
5669 * @fw_event: The fw_event_work object
5674 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5675 struct fw_event_work
*fw_event
)
5678 u16 parent_handle
, handle
;
5680 u8 phy_number
, max_phys
;
5681 struct _sas_node
*sas_expander
;
5683 unsigned long flags
;
5684 u8 link_rate
, prev_link_rate
;
5685 Mpi2EventDataSasTopologyChangeList_t
*event_data
=
5686 (Mpi2EventDataSasTopologyChangeList_t
*)
5687 fw_event
->event_data
;
5689 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5690 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5691 _scsih_sas_topology_change_event_debug(ioc
, event_data
);
5694 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
5697 if (!ioc
->sas_hba
.num_phys
)
5698 _scsih_sas_host_add(ioc
);
5700 _scsih_sas_host_refresh(ioc
);
5702 if (fw_event
->ignore
) {
5703 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"ignoring expander "
5704 "event\n", ioc
->name
));
5708 parent_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
5710 /* handle expander add */
5711 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_ADDED
)
5712 if (_scsih_expander_add(ioc
, parent_handle
) != 0)
5715 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5716 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
5719 sas_address
= sas_expander
->sas_address
;
5720 max_phys
= sas_expander
->num_phys
;
5721 } else if (parent_handle
< ioc
->sas_hba
.num_phys
) {
5722 sas_address
= ioc
->sas_hba
.sas_address
;
5723 max_phys
= ioc
->sas_hba
.num_phys
;
5725 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5728 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5730 /* handle siblings events */
5731 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
5732 if (fw_event
->ignore
) {
5733 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"ignoring "
5734 "expander event\n", ioc
->name
));
5737 if (ioc
->shost_recovery
|| ioc
->remove_host
||
5738 ioc
->pci_error_recovery
)
5740 phy_number
= event_data
->StartPhyNum
+ i
;
5741 if (phy_number
>= max_phys
)
5743 reason_code
= event_data
->PHY
[i
].PhyStatus
&
5744 MPI2_EVENT_SAS_TOPO_RC_MASK
;
5745 if ((event_data
->PHY
[i
].PhyStatus
&
5746 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
) && (reason_code
!=
5747 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
))
5749 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
5752 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5753 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5754 switch (reason_code
) {
5755 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5757 if (ioc
->shost_recovery
)
5760 if (link_rate
== prev_link_rate
)
5763 mpt2sas_transport_update_links(ioc
, sas_address
,
5764 handle
, phy_number
, link_rate
);
5766 if (link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
5769 _scsih_check_device(ioc
, handle
);
5771 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
5773 if (ioc
->shost_recovery
)
5776 mpt2sas_transport_update_links(ioc
, sas_address
,
5777 handle
, phy_number
, link_rate
);
5779 _scsih_add_device(ioc
, handle
, phy_number
, 0);
5781 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5783 _scsih_device_remove_by_handle(ioc
, handle
);
5788 /* handle expander removal */
5789 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
&&
5791 mpt2sas_expander_remove(ioc
, sas_address
);
5795 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5797 * _scsih_sas_device_status_change_event_debug - debug for device event
5798 * @event_data: event data payload
5804 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5805 Mpi2EventDataSasDeviceStatusChange_t
*event_data
)
5807 char *reason_str
= NULL
;
5809 switch (event_data
->ReasonCode
) {
5810 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
:
5811 reason_str
= "smart data";
5813 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED
:
5814 reason_str
= "unsupported device discovered";
5816 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
:
5817 reason_str
= "internal device reset";
5819 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL
:
5820 reason_str
= "internal task abort";
5822 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL
:
5823 reason_str
= "internal task abort set";
5825 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL
:
5826 reason_str
= "internal clear task set";
5828 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL
:
5829 reason_str
= "internal query task";
5831 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE
:
5832 reason_str
= "sata init failure";
5834 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
:
5835 reason_str
= "internal device reset complete";
5837 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL
:
5838 reason_str
= "internal task abort complete";
5840 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION
:
5841 reason_str
= "internal async notification";
5843 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY
:
5844 reason_str
= "expander reduced functionality";
5846 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY
:
5847 reason_str
= "expander reduced functionality complete";
5850 reason_str
= "unknown reason";
5853 printk(MPT2SAS_INFO_FMT
"device status change: (%s)\n"
5854 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5855 ioc
->name
, reason_str
, le16_to_cpu(event_data
->DevHandle
),
5856 (unsigned long long)le64_to_cpu(event_data
->SASAddress
),
5857 le16_to_cpu(event_data
->TaskTag
));
5858 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
)
5859 printk(MPT2SAS_INFO_FMT
", ASC(0x%x), ASCQ(0x%x)\n", ioc
->name
,
5860 event_data
->ASC
, event_data
->ASCQ
);
5861 printk(KERN_INFO
"\n");
5866 * _scsih_sas_device_status_change_event - handle device status change
5867 * @ioc: per adapter object
5868 * @fw_event: The fw_event_work object
5874 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5875 struct fw_event_work
*fw_event
)
5877 struct MPT2SAS_TARGET
*target_priv_data
;
5878 struct _sas_device
*sas_device
;
5880 unsigned long flags
;
5881 Mpi2EventDataSasDeviceStatusChange_t
*event_data
=
5882 (Mpi2EventDataSasDeviceStatusChange_t
*)
5883 fw_event
->event_data
;
5885 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5886 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5887 _scsih_sas_device_status_change_event_debug(ioc
,
5891 /* In MPI Revision K (0xC), the internal device reset complete was
5892 * implemented, so avoid setting tm_busy flag for older firmware.
5894 if ((ioc
->facts
.HeaderVersion
>> 8) < 0xC)
5897 if (event_data
->ReasonCode
!=
5898 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
&&
5899 event_data
->ReasonCode
!=
5900 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
)
5903 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5904 sas_address
= le64_to_cpu(event_data
->SASAddress
);
5905 sas_device
= __mpt2sas_get_sdev_by_addr(ioc
,
5908 if (!sas_device
|| !sas_device
->starget
)
5911 target_priv_data
= sas_device
->starget
->hostdata
;
5912 if (!target_priv_data
)
5915 if (event_data
->ReasonCode
==
5916 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
)
5917 target_priv_data
->tm_busy
= 1;
5919 target_priv_data
->tm_busy
= 0;
5923 sas_device_put(sas_device
);
5925 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5929 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5931 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
5932 * @ioc: per adapter object
5933 * @event_data: event data payload
5939 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5940 Mpi2EventDataSasEnclDevStatusChange_t
*event_data
)
5942 char *reason_str
= NULL
;
5944 switch (event_data
->ReasonCode
) {
5945 case MPI2_EVENT_SAS_ENCL_RC_ADDED
:
5946 reason_str
= "enclosure add";
5948 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING
:
5949 reason_str
= "enclosure remove";
5952 reason_str
= "unknown reason";
5956 printk(MPT2SAS_INFO_FMT
"enclosure status change: (%s)\n"
5957 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5958 " number slots(%d)\n", ioc
->name
, reason_str
,
5959 le16_to_cpu(event_data
->EnclosureHandle
),
5960 (unsigned long long)le64_to_cpu(event_data
->EnclosureLogicalID
),
5961 le16_to_cpu(event_data
->StartSlot
));
5966 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5967 * @ioc: per adapter object
5968 * @fw_event: The fw_event_work object
5974 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5975 struct fw_event_work
*fw_event
)
5977 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5978 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5979 _scsih_sas_enclosure_dev_status_change_event_debug(ioc
,
5980 (Mpi2EventDataSasEnclDevStatusChange_t
*)
5981 fw_event
->event_data
);
5986 * _scsih_sas_broadcast_primitive_event - handle broadcast events
5987 * @ioc: per adapter object
5988 * @fw_event: The fw_event_work object
5994 _scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER
*ioc
,
5995 struct fw_event_work
*fw_event
)
5997 struct scsi_cmnd
*scmd
;
5998 struct scsi_device
*sdev
;
6001 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
6002 u32 termination_count
;
6004 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
6005 Mpi2EventDataSasBroadcastPrimitive_t
*event_data
=
6006 (Mpi2EventDataSasBroadcastPrimitive_t
*)
6007 fw_event
->event_data
;
6009 unsigned long flags
;
6012 u8 task_abort_retries
;
6014 mutex_lock(&ioc
->tm_cmds
.mutex
);
6016 "%s: enter: phy number(%d), width(%d)\n",
6017 ioc
->name
, __func__
, event_data
->PhyNum
,
6018 event_data
->PortWidth
);
6020 _scsih_block_io_all_device(ioc
);
6022 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
6023 mpi_reply
= ioc
->tm_cmds
.reply
;
6024 broadcast_aen_retry
:
6026 /* sanity checks for retrying this loop */
6027 if (max_retries
++ == 5) {
6028 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: giving up\n",
6029 ioc
->name
, __func__
));
6031 } else if (max_retries
> 1)
6032 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: %d retry\n",
6033 ioc
->name
, __func__
, max_retries
- 1));
6035 termination_count
= 0;
6037 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
6038 if (ioc
->shost_recovery
)
6040 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
6043 sdev
= scmd
->device
;
6044 sas_device_priv_data
= sdev
->hostdata
;
6045 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
)
6047 /* skip hidden raid components */
6048 if (sas_device_priv_data
->sas_target
->flags
&
6049 MPT_TARGET_FLAGS_RAID_COMPONENT
)
6052 if (sas_device_priv_data
->sas_target
->flags
&
6053 MPT_TARGET_FLAGS_VOLUME
)
6056 handle
= sas_device_priv_data
->sas_target
->handle
;
6057 lun
= sas_device_priv_data
->lun
;
6060 if (ioc
->shost_recovery
)
6063 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
6064 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, 0, 0, lun
,
6065 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
, smid
, 30,
6068 sdev_printk(KERN_WARNING
, sdev
,
6069 "mpt2sas_scsih_issue_tm: FAILED when sending "
6070 "QUERY_TASK: scmd(%p)\n", scmd
);
6071 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
6072 goto broadcast_aen_retry
;
6074 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
)
6075 & MPI2_IOCSTATUS_MASK
;
6076 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6077 sdev_printk(KERN_WARNING
, sdev
, "query task: FAILED "
6078 "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status
,
6080 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
6081 goto broadcast_aen_retry
;
6084 /* see if IO is still owned by IOC and target */
6085 if (mpi_reply
->ResponseCode
==
6086 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
||
6087 mpi_reply
->ResponseCode
==
6088 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
) {
6089 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
6092 task_abort_retries
= 0;
6094 if (task_abort_retries
++ == 60) {
6095 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
6096 "%s: ABORT_TASK: giving up\n", ioc
->name
,
6098 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
6099 goto broadcast_aen_retry
;
6102 if (ioc
->shost_recovery
)
6105 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, sdev
->channel
, sdev
->id
,
6106 sdev
->lun
, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30,
6109 sdev_printk(KERN_WARNING
, sdev
,
6110 "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : "
6111 "scmd(%p)\n", scmd
);
6115 if (task_abort_retries
> 1)
6116 sdev_printk(KERN_WARNING
, sdev
,
6117 "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
6119 task_abort_retries
- 1, scmd
);
6121 termination_count
+= le32_to_cpu(mpi_reply
->TerminationCount
);
6122 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
6125 if (ioc
->broadcast_aen_pending
) {
6126 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: loop back due to"
6127 " pending AEN\n", ioc
->name
, __func__
));
6128 ioc
->broadcast_aen_pending
= 0;
6129 goto broadcast_aen_retry
;
6133 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
6136 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
6137 "%s - exit, query_count = %d termination_count = %d\n",
6138 ioc
->name
, __func__
, query_count
, termination_count
));
6140 ioc
->broadcast_aen_busy
= 0;
6141 if (!ioc
->shost_recovery
)
6142 _scsih_ublock_io_all_device(ioc
);
6143 mutex_unlock(&ioc
->tm_cmds
.mutex
);
6147 * _scsih_sas_discovery_event - handle discovery events
6148 * @ioc: per adapter object
6149 * @fw_event: The fw_event_work object
6155 _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER
*ioc
,
6156 struct fw_event_work
*fw_event
)
6158 Mpi2EventDataSasDiscovery_t
*event_data
=
6159 (Mpi2EventDataSasDiscovery_t
*)
6160 fw_event
->event_data
;
6162 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6163 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
) {
6164 printk(MPT2SAS_INFO_FMT
"discovery event: (%s)", ioc
->name
,
6165 (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
) ?
6167 if (event_data
->DiscoveryStatus
)
6168 printk("discovery_status(0x%08x)",
6169 le32_to_cpu(event_data
->DiscoveryStatus
));
6174 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
&&
6175 !ioc
->sas_hba
.num_phys
) {
6176 if (disable_discovery
> 0 && ioc
->shost_recovery
) {
6177 /* Wait for the reset to complete */
6178 while (ioc
->shost_recovery
)
6181 _scsih_sas_host_add(ioc
);
6186 * _scsih_reprobe_lun - reprobing lun
6187 * @sdev: scsi device struct
6188 * @no_uld_attach: sdev->no_uld_attach flag setting
6192 _scsih_reprobe_lun(struct scsi_device
*sdev
, void *no_uld_attach
)
6196 sdev
->no_uld_attach
= no_uld_attach
? 1 : 0;
6197 sdev_printk(KERN_INFO
, sdev
, "%s raid component\n",
6198 sdev
->no_uld_attach
? "hidding" : "exposing");
6199 rc
= scsi_device_reprobe(sdev
);
6203 * _scsih_sas_volume_add - add new volume
6204 * @ioc: per adapter object
6205 * @element: IR config element data
6211 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER
*ioc
,
6212 Mpi2EventIrConfigElement_t
*element
)
6214 struct _raid_device
*raid_device
;
6215 unsigned long flags
;
6217 u16 handle
= le16_to_cpu(element
->VolDevHandle
);
6220 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
6222 printk(MPT2SAS_ERR_FMT
6223 "failure at %s:%d/%s()!\n", ioc
->name
,
6224 __FILE__
, __LINE__
, __func__
);
6228 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6229 raid_device
= _scsih_raid_device_find_by_wwid(ioc
, wwid
);
6230 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6235 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
6237 printk(MPT2SAS_ERR_FMT
6238 "failure at %s:%d/%s()!\n", ioc
->name
,
6239 __FILE__
, __LINE__
, __func__
);
6243 raid_device
->id
= ioc
->sas_id
++;
6244 raid_device
->channel
= RAID_CHANNEL
;
6245 raid_device
->handle
= handle
;
6246 raid_device
->wwid
= wwid
;
6247 _scsih_raid_device_add(ioc
, raid_device
);
6248 if (!ioc
->wait_for_discovery_to_complete
) {
6249 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6250 raid_device
->id
, 0);
6252 _scsih_raid_device_remove(ioc
, raid_device
);
6254 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6255 _scsih_determine_boot_device(ioc
, raid_device
, 1);
6256 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6261 * _scsih_sas_volume_delete - delete volume
6262 * @ioc: per adapter object
6263 * @handle: volume device handle
6269 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
6271 struct _raid_device
*raid_device
;
6272 unsigned long flags
;
6273 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6274 struct scsi_target
*starget
= NULL
;
6276 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6277 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6279 if (raid_device
->starget
) {
6280 starget
= raid_device
->starget
;
6281 sas_target_priv_data
= starget
->hostdata
;
6282 sas_target_priv_data
->deleted
= 1;
6284 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
6285 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
6286 (unsigned long long) raid_device
->wwid
);
6287 list_del(&raid_device
->list
);
6290 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6292 scsi_remove_target(&starget
->dev
);
6296 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6297 * @ioc: per adapter object
6298 * @element: IR config element data
6304 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER
*ioc
,
6305 Mpi2EventIrConfigElement_t
*element
)
6307 struct _sas_device
*sas_device
;
6308 struct scsi_target
*starget
= NULL
;
6309 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6310 unsigned long flags
;
6311 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6313 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6314 sas_device
= __mpt2sas_get_sdev_by_handle(ioc
, handle
);
6316 sas_device
->volume_handle
= 0;
6317 sas_device
->volume_wwid
= 0;
6318 clear_bit(handle
, ioc
->pd_handles
);
6319 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
6320 starget
= sas_device
->starget
;
6321 sas_target_priv_data
= starget
->hostdata
;
6322 sas_target_priv_data
->flags
&=
6323 ~MPT_TARGET_FLAGS_RAID_COMPONENT
;
6326 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6330 /* exposing raid component */
6332 starget_for_each_device(starget
, NULL
, _scsih_reprobe_lun
);
6334 sas_device_put(sas_device
);
6338 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6339 * @ioc: per adapter object
6340 * @element: IR config element data
6346 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER
*ioc
,
6347 Mpi2EventIrConfigElement_t
*element
)
6349 struct _sas_device
*sas_device
;
6350 struct scsi_target
*starget
= NULL
;
6351 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6352 unsigned long flags
;
6353 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6354 u16 volume_handle
= 0;
6355 u64 volume_wwid
= 0;
6357 mpt2sas_config_get_volume_handle(ioc
, handle
, &volume_handle
);
6359 mpt2sas_config_get_volume_wwid(ioc
, volume_handle
,
6362 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6363 sas_device
= __mpt2sas_get_sdev_by_handle(ioc
, handle
);
6365 set_bit(handle
, ioc
->pd_handles
);
6366 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
6367 starget
= sas_device
->starget
;
6368 sas_target_priv_data
= starget
->hostdata
;
6369 sas_target_priv_data
->flags
|=
6370 MPT_TARGET_FLAGS_RAID_COMPONENT
;
6371 sas_device
->volume_handle
= volume_handle
;
6372 sas_device
->volume_wwid
= volume_wwid
;
6375 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6379 /* hiding raid component */
6381 starget_for_each_device(starget
, (void *)1, _scsih_reprobe_lun
);
6383 sas_device_put(sas_device
);
6387 * _scsih_sas_pd_delete - delete pd component
6388 * @ioc: per adapter object
6389 * @element: IR config element data
6395 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER
*ioc
,
6396 Mpi2EventIrConfigElement_t
*element
)
6398 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6400 _scsih_device_remove_by_handle(ioc
, handle
);
6404 * _scsih_sas_pd_add - remove pd component
6405 * @ioc: per adapter object
6406 * @element: IR config element data
6412 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER
*ioc
,
6413 Mpi2EventIrConfigElement_t
*element
)
6415 struct _sas_device
*sas_device
;
6416 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6417 Mpi2ConfigReply_t mpi_reply
;
6418 Mpi2SasDevicePage0_t sas_device_pg0
;
6423 set_bit(handle
, ioc
->pd_handles
);
6425 sas_device
= mpt2sas_get_sdev_by_handle(ioc
, handle
);
6427 sas_device_put(sas_device
);
6431 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
6432 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
6433 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6434 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6438 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6439 MPI2_IOCSTATUS_MASK
;
6440 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6441 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6442 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6446 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6447 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
6448 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
6449 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6451 _scsih_add_device(ioc
, handle
, 0, 1);
6454 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6456 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6457 * @ioc: per adapter object
6458 * @event_data: event data payload
6464 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
6465 Mpi2EventDataIrConfigChangeList_t
*event_data
)
6467 Mpi2EventIrConfigElement_t
*element
;
6470 char *reason_str
= NULL
, *element_str
= NULL
;
6472 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
6474 printk(MPT2SAS_INFO_FMT
"raid config change: (%s), elements(%d)\n",
6475 ioc
->name
, (le32_to_cpu(event_data
->Flags
) &
6476 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ?
6477 "foreign" : "native", event_data
->NumElements
);
6478 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6479 switch (element
->ReasonCode
) {
6480 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
6483 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
6484 reason_str
= "remove";
6486 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE
:
6487 reason_str
= "no change";
6489 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
6490 reason_str
= "hide";
6492 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
6493 reason_str
= "unhide";
6495 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
6496 reason_str
= "volume_created";
6498 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
6499 reason_str
= "volume_deleted";
6501 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
6502 reason_str
= "pd_created";
6504 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
6505 reason_str
= "pd_deleted";
6508 reason_str
= "unknown reason";
6511 element_type
= le16_to_cpu(element
->ElementFlags
) &
6512 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK
;
6513 switch (element_type
) {
6514 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT
:
6515 element_str
= "volume";
6517 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT
:
6518 element_str
= "phys disk";
6520 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT
:
6521 element_str
= "hot spare";
6524 element_str
= "unknown element";
6527 printk(KERN_INFO
"\t(%s:%s), vol handle(0x%04x), "
6528 "pd handle(0x%04x), pd num(0x%02x)\n", element_str
,
6529 reason_str
, le16_to_cpu(element
->VolDevHandle
),
6530 le16_to_cpu(element
->PhysDiskDevHandle
),
6531 element
->PhysDiskNum
);
6537 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6538 * @ioc: per adapter object
6539 * @fw_event: The fw_event_work object
6545 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER
*ioc
,
6546 struct fw_event_work
*fw_event
)
6548 Mpi2EventIrConfigElement_t
*element
;
6551 Mpi2EventDataIrConfigChangeList_t
*event_data
=
6552 (Mpi2EventDataIrConfigChangeList_t
*)
6553 fw_event
->event_data
;
6555 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6556 if ((ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6557 && !ioc
->hide_ir_msg
)
6558 _scsih_sas_ir_config_change_event_debug(ioc
, event_data
);
6562 if (ioc
->shost_recovery
)
6565 foreign_config
= (le32_to_cpu(event_data
->Flags
) &
6566 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ? 1 : 0;
6568 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
6569 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6571 switch (element
->ReasonCode
) {
6572 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
6573 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
6574 if (!foreign_config
)
6575 _scsih_sas_volume_add(ioc
, element
);
6577 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
6578 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
6579 if (!foreign_config
)
6580 _scsih_sas_volume_delete(ioc
,
6581 le16_to_cpu(element
->VolDevHandle
));
6583 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
6584 if (!ioc
->is_warpdrive
)
6585 _scsih_sas_pd_hide(ioc
, element
);
6587 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
6588 if (!ioc
->is_warpdrive
)
6589 _scsih_sas_pd_expose(ioc
, element
);
6591 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
6592 if (!ioc
->is_warpdrive
)
6593 _scsih_sas_pd_add(ioc
, element
);
6595 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
6596 if (!ioc
->is_warpdrive
)
6597 _scsih_sas_pd_delete(ioc
, element
);
6604 * _scsih_sas_ir_volume_event - IR volume event
6605 * @ioc: per adapter object
6606 * @fw_event: The fw_event_work object
6612 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER
*ioc
,
6613 struct fw_event_work
*fw_event
)
6616 unsigned long flags
;
6617 struct _raid_device
*raid_device
;
6621 Mpi2EventDataIrVolume_t
*event_data
=
6622 (Mpi2EventDataIrVolume_t
*)
6623 fw_event
->event_data
;
6625 if (ioc
->shost_recovery
)
6628 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
6631 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6632 state
= le32_to_cpu(event_data
->NewValue
);
6633 if (!ioc
->hide_ir_msg
)
6634 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle(0x%04x), "
6635 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
6636 le32_to_cpu(event_data
->PreviousValue
), state
));
6639 case MPI2_RAID_VOL_STATE_MISSING
:
6640 case MPI2_RAID_VOL_STATE_FAILED
:
6641 _scsih_sas_volume_delete(ioc
, handle
);
6644 case MPI2_RAID_VOL_STATE_ONLINE
:
6645 case MPI2_RAID_VOL_STATE_DEGRADED
:
6646 case MPI2_RAID_VOL_STATE_OPTIMAL
:
6648 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6649 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6650 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6655 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
6657 printk(MPT2SAS_ERR_FMT
6658 "failure at %s:%d/%s()!\n", ioc
->name
,
6659 __FILE__
, __LINE__
, __func__
);
6663 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
6665 printk(MPT2SAS_ERR_FMT
6666 "failure at %s:%d/%s()!\n", ioc
->name
,
6667 __FILE__
, __LINE__
, __func__
);
6671 raid_device
->id
= ioc
->sas_id
++;
6672 raid_device
->channel
= RAID_CHANNEL
;
6673 raid_device
->handle
= handle
;
6674 raid_device
->wwid
= wwid
;
6675 _scsih_raid_device_add(ioc
, raid_device
);
6676 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6677 raid_device
->id
, 0);
6679 _scsih_raid_device_remove(ioc
, raid_device
);
6682 case MPI2_RAID_VOL_STATE_INITIALIZING
:
6689 * _scsih_sas_ir_physical_disk_event - PD event
6690 * @ioc: per adapter object
6691 * @fw_event: The fw_event_work object
6697 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER
*ioc
,
6698 struct fw_event_work
*fw_event
)
6700 u16 handle
, parent_handle
;
6702 struct _sas_device
*sas_device
;
6703 Mpi2ConfigReply_t mpi_reply
;
6704 Mpi2SasDevicePage0_t sas_device_pg0
;
6706 Mpi2EventDataIrPhysicalDisk_t
*event_data
=
6707 (Mpi2EventDataIrPhysicalDisk_t
*)
6708 fw_event
->event_data
;
6711 if (ioc
->shost_recovery
)
6714 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED
)
6717 handle
= le16_to_cpu(event_data
->PhysDiskDevHandle
);
6718 state
= le32_to_cpu(event_data
->NewValue
);
6720 if (!ioc
->hide_ir_msg
)
6721 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle(0x%04x), "
6722 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
6723 le32_to_cpu(event_data
->PreviousValue
), state
));
6726 case MPI2_RAID_PD_STATE_ONLINE
:
6727 case MPI2_RAID_PD_STATE_DEGRADED
:
6728 case MPI2_RAID_PD_STATE_REBUILDING
:
6729 case MPI2_RAID_PD_STATE_OPTIMAL
:
6730 case MPI2_RAID_PD_STATE_HOT_SPARE
:
6732 if (!ioc
->is_warpdrive
)
6733 set_bit(handle
, ioc
->pd_handles
);
6735 sas_device
= mpt2sas_get_sdev_by_handle(ioc
, handle
);
6737 sas_device_put(sas_device
);
6741 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6742 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
6744 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6745 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6749 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6750 MPI2_IOCSTATUS_MASK
;
6751 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6752 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6753 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6757 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6758 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
6759 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
6760 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6762 _scsih_add_device(ioc
, handle
, 0, 1);
6766 case MPI2_RAID_PD_STATE_OFFLINE
:
6767 case MPI2_RAID_PD_STATE_NOT_CONFIGURED
:
6768 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE
:
6774 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6776 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6777 * @ioc: per adapter object
6778 * @event_data: event data payload
6784 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
6785 Mpi2EventDataIrOperationStatus_t
*event_data
)
6787 char *reason_str
= NULL
;
6789 switch (event_data
->RAIDOperation
) {
6790 case MPI2_EVENT_IR_RAIDOP_RESYNC
:
6791 reason_str
= "resync";
6793 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION
:
6794 reason_str
= "online capacity expansion";
6796 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK
:
6797 reason_str
= "consistency check";
6799 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT
:
6800 reason_str
= "background init";
6802 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT
:
6803 reason_str
= "make data consistent";
6810 printk(MPT2SAS_INFO_FMT
"raid operational status: (%s)"
6811 "\thandle(0x%04x), percent complete(%d)\n",
6812 ioc
->name
, reason_str
,
6813 le16_to_cpu(event_data
->VolDevHandle
),
6814 event_data
->PercentComplete
);
6819 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6820 * @ioc: per adapter object
6821 * @fw_event: The fw_event_work object
6827 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER
*ioc
,
6828 struct fw_event_work
*fw_event
)
6830 Mpi2EventDataIrOperationStatus_t
*event_data
=
6831 (Mpi2EventDataIrOperationStatus_t
*)
6832 fw_event
->event_data
;
6833 static struct _raid_device
*raid_device
;
6834 unsigned long flags
;
6837 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6838 if ((ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6839 && !ioc
->hide_ir_msg
)
6840 _scsih_sas_ir_operation_status_event_debug(ioc
,
6844 /* code added for raid transport support */
6845 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
) {
6847 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6848 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6849 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6851 raid_device
->percent_complete
=
6852 event_data
->PercentComplete
;
6853 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6858 * _scsih_prep_device_scan - initialize parameters prior to device scan
6859 * @ioc: per adapter object
6861 * Set the deleted flag prior to device scan. If the device is found during
6862 * the scan, then we clear the deleted flag.
6865 _scsih_prep_device_scan(struct MPT2SAS_ADAPTER
*ioc
)
6867 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
6868 struct scsi_device
*sdev
;
6870 shost_for_each_device(sdev
, ioc
->shost
) {
6871 sas_device_priv_data
= sdev
->hostdata
;
6872 if (sas_device_priv_data
&& sas_device_priv_data
->sas_target
)
6873 sas_device_priv_data
->sas_target
->deleted
= 1;
6878 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6879 * @ioc: per adapter object
6880 * @sas_address: sas address
6881 * @slot: enclosure slot id
6882 * @handle: device handle
6884 * After host reset, find out whether devices are still responding.
6885 * Used in _scsi_remove_unresponsive_sas_devices.
6890 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
6891 u16 slot
, u16 handle
)
6893 struct MPT2SAS_TARGET
*sas_target_priv_data
= NULL
;
6894 struct scsi_target
*starget
;
6895 struct _sas_device
*sas_device
;
6896 unsigned long flags
;
6898 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6899 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
6900 if (sas_device
->sas_address
== sas_address
&&
6901 sas_device
->slot
== slot
) {
6902 sas_device
->responding
= 1;
6903 starget
= sas_device
->starget
;
6904 if (starget
&& starget
->hostdata
) {
6905 sas_target_priv_data
= starget
->hostdata
;
6906 sas_target_priv_data
->tm_busy
= 0;
6907 sas_target_priv_data
->deleted
= 0;
6909 sas_target_priv_data
= NULL
;
6911 starget_printk(KERN_INFO
, starget
,
6912 "handle(0x%04x), sas_addr(0x%016llx), "
6913 "enclosure logical id(0x%016llx), "
6914 "slot(%d)\n", handle
,
6915 (unsigned long long)sas_device
->sas_address
,
6916 (unsigned long long)
6917 sas_device
->enclosure_logical_id
,
6919 if (sas_device
->handle
== handle
)
6921 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
6922 sas_device
->handle
);
6923 sas_device
->handle
= handle
;
6924 if (sas_target_priv_data
)
6925 sas_target_priv_data
->handle
= handle
;
6930 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6934 * _scsih_search_responding_sas_devices -
6935 * @ioc: per adapter object
6937 * After host reset, find out whether devices are still responding.
6943 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
6945 Mpi2SasDevicePage0_t sas_device_pg0
;
6946 Mpi2ConfigReply_t mpi_reply
;
6953 printk(MPT2SAS_INFO_FMT
"search for end-devices: start\n", ioc
->name
);
6955 if (list_empty(&ioc
->sas_device_list
))
6959 while (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6960 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
6962 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6963 MPI2_IOCSTATUS_MASK
;
6964 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
6966 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
6967 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
6968 if (!(_scsih_is_end_device(device_info
)))
6970 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
6971 slot
= le16_to_cpu(sas_device_pg0
.Slot
);
6972 _scsih_mark_responding_sas_device(ioc
, sas_address
, slot
,
6976 printk(MPT2SAS_INFO_FMT
"search for end-devices: complete\n",
6981 * _scsih_mark_responding_raid_device - mark a raid_device as responding
6982 * @ioc: per adapter object
6983 * @wwid: world wide identifier for raid volume
6984 * @handle: device handle
6986 * After host reset, find out whether devices are still responding.
6987 * Used in _scsi_remove_unresponsive_raid_devices.
6992 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
,
6995 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6996 struct scsi_target
*starget
;
6997 struct _raid_device
*raid_device
;
6998 unsigned long flags
;
7000 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
7001 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
7002 if (raid_device
->wwid
== wwid
&& raid_device
->starget
) {
7003 starget
= raid_device
->starget
;
7004 if (starget
&& starget
->hostdata
) {
7005 sas_target_priv_data
= starget
->hostdata
;
7006 sas_target_priv_data
->deleted
= 0;
7008 sas_target_priv_data
= NULL
;
7009 raid_device
->responding
= 1;
7010 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
7011 starget_printk(KERN_INFO
, raid_device
->starget
,
7012 "handle(0x%04x), wwid(0x%016llx)\n", handle
,
7013 (unsigned long long)raid_device
->wwid
);
7015 * WARPDRIVE: The handles of the PDs might have changed
7016 * across the host reset so re-initialize the
7017 * required data for Direct IO
7019 _scsih_init_warpdrive_properties(ioc
, raid_device
);
7020 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
7021 if (raid_device
->handle
== handle
) {
7022 spin_unlock_irqrestore(&ioc
->raid_device_lock
,
7026 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
7027 raid_device
->handle
);
7028 raid_device
->handle
= handle
;
7029 if (sas_target_priv_data
)
7030 sas_target_priv_data
->handle
= handle
;
7031 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
7036 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
7040 * _scsih_search_responding_raid_devices -
7041 * @ioc: per adapter object
7043 * After host reset, find out whether devices are still responding.
7049 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER
*ioc
)
7051 Mpi2RaidVolPage1_t volume_pg1
;
7052 Mpi2RaidVolPage0_t volume_pg0
;
7053 Mpi2RaidPhysDiskPage0_t pd_pg0
;
7054 Mpi2ConfigReply_t mpi_reply
;
7059 if (!ioc
->ir_firmware
)
7062 printk(MPT2SAS_INFO_FMT
"search for raid volumes: start\n",
7065 if (list_empty(&ioc
->raid_device_list
))
7069 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
7070 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
7071 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7072 MPI2_IOCSTATUS_MASK
;
7073 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
7075 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
7077 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
7078 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
7079 sizeof(Mpi2RaidVolPage0_t
)))
7082 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
7083 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
7084 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
)
7085 _scsih_mark_responding_raid_device(ioc
,
7086 le64_to_cpu(volume_pg1
.WWID
), handle
);
7089 /* refresh the pd_handles */
7090 if (!ioc
->is_warpdrive
) {
7091 phys_disk_num
= 0xFF;
7092 memset(ioc
->pd_handles
, 0, ioc
->pd_handles_sz
);
7093 while (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
7094 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
7096 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7097 MPI2_IOCSTATUS_MASK
;
7098 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
7100 phys_disk_num
= pd_pg0
.PhysDiskNum
;
7101 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
7102 set_bit(handle
, ioc
->pd_handles
);
7106 printk(MPT2SAS_INFO_FMT
"search for responding raid volumes: "
7107 "complete\n", ioc
->name
);
7111 * _scsih_mark_responding_expander - mark a expander as responding
7112 * @ioc: per adapter object
7113 * @sas_address: sas address
7116 * After host reset, find out whether devices are still responding.
7117 * Used in _scsi_remove_unresponsive_expanders.
7122 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
7125 struct _sas_node
*sas_expander
;
7126 unsigned long flags
;
7129 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
7130 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
7131 if (sas_expander
->sas_address
!= sas_address
)
7133 sas_expander
->responding
= 1;
7134 if (sas_expander
->handle
== handle
)
7136 printk(KERN_INFO
"\texpander(0x%016llx): handle changed"
7137 " from(0x%04x) to (0x%04x)!!!\n",
7138 (unsigned long long)sas_expander
->sas_address
,
7139 sas_expander
->handle
, handle
);
7140 sas_expander
->handle
= handle
;
7141 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++)
7142 sas_expander
->phy
[i
].handle
= handle
;
7146 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
7150 * _scsih_search_responding_expanders -
7151 * @ioc: per adapter object
7153 * After host reset, find out whether devices are still responding.
7159 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER
*ioc
)
7161 Mpi2ExpanderPage0_t expander_pg0
;
7162 Mpi2ConfigReply_t mpi_reply
;
7167 printk(MPT2SAS_INFO_FMT
"search for expanders: start\n", ioc
->name
);
7169 if (list_empty(&ioc
->sas_expander_list
))
7173 while (!(mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
7174 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
7176 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7177 MPI2_IOCSTATUS_MASK
;
7178 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
7181 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
7182 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
7183 printk(KERN_INFO
"\texpander present: handle(0x%04x), "
7184 "sas_addr(0x%016llx)\n", handle
,
7185 (unsigned long long)sas_address
);
7186 _scsih_mark_responding_expander(ioc
, sas_address
, handle
);
7190 printk(MPT2SAS_INFO_FMT
"search for expanders: complete\n", ioc
->name
);
7194 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
7195 * @ioc: per adapter object
7200 _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
7202 struct _sas_device
*sas_device
, *sas_device_next
;
7203 struct _sas_node
*sas_expander
, *sas_expander_next
;
7204 struct _raid_device
*raid_device
, *raid_device_next
;
7205 struct list_head tmp_list
;
7206 unsigned long flags
;
7209 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: start\n",
7212 /* removing unresponding end devices */
7213 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: end-devices\n",
7217 * Iterate, pulling off devices marked as non-responding. We become the
7218 * owner for the reference the list had on any object we prune.
7220 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7221 list_for_each_entry_safe(sas_device
, sas_device_next
,
7222 &ioc
->sas_device_list
, list
) {
7223 if (!sas_device
->responding
)
7224 list_move_tail(&sas_device
->list
, &head
);
7226 sas_device
->responding
= 0;
7228 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7231 * Now, uninitialize and remove the unresponding devices we pruned.
7233 list_for_each_entry_safe(sas_device
, sas_device_next
, &head
, list
) {
7234 _scsih_remove_device(ioc
, sas_device
);
7235 list_del_init(&sas_device
->list
);
7236 sas_device_put(sas_device
);
7239 /* removing unresponding volumes */
7240 if (ioc
->ir_firmware
) {
7241 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: "
7242 "volumes\n", ioc
->name
);
7243 list_for_each_entry_safe(raid_device
, raid_device_next
,
7244 &ioc
->raid_device_list
, list
) {
7245 if (!raid_device
->responding
)
7246 _scsih_sas_volume_delete(ioc
,
7247 raid_device
->handle
);
7249 raid_device
->responding
= 0;
7252 /* removing unresponding expanders */
7253 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: expanders\n",
7255 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
7256 INIT_LIST_HEAD(&tmp_list
);
7257 list_for_each_entry_safe(sas_expander
, sas_expander_next
,
7258 &ioc
->sas_expander_list
, list
) {
7259 if (!sas_expander
->responding
)
7260 list_move_tail(&sas_expander
->list
, &tmp_list
);
7262 sas_expander
->responding
= 0;
7264 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
7265 list_for_each_entry_safe(sas_expander
, sas_expander_next
, &tmp_list
,
7267 list_del(&sas_expander
->list
);
7268 _scsih_expander_node_remove(ioc
, sas_expander
);
7270 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: complete\n",
7272 /* unblock devices */
7273 _scsih_ublock_io_all_device(ioc
);
7277 _scsih_refresh_expander_links(struct MPT2SAS_ADAPTER
*ioc
,
7278 struct _sas_node
*sas_expander
, u16 handle
)
7280 Mpi2ExpanderPage1_t expander_pg1
;
7281 Mpi2ConfigReply_t mpi_reply
;
7284 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
7285 if ((mpt2sas_config_get_expander_pg1(ioc
, &mpi_reply
,
7286 &expander_pg1
, i
, handle
))) {
7287 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
7288 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7292 mpt2sas_transport_update_links(ioc
, sas_expander
->sas_address
,
7293 le16_to_cpu(expander_pg1
.AttachedDevHandle
), i
,
7294 expander_pg1
.NegotiatedLinkRate
>> 4);
7299 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7300 * @ioc: per adapter object
7305 _scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER
*ioc
)
7307 Mpi2ExpanderPage0_t expander_pg0
;
7308 Mpi2SasDevicePage0_t sas_device_pg0
;
7309 Mpi2RaidVolPage1_t volume_pg1
;
7310 Mpi2RaidVolPage0_t volume_pg0
;
7311 Mpi2RaidPhysDiskPage0_t pd_pg0
;
7312 Mpi2EventIrConfigElement_t element
;
7313 Mpi2ConfigReply_t mpi_reply
;
7316 u16 handle
, parent_handle
;
7318 struct _sas_device
*sas_device
;
7319 struct _sas_node
*expander_device
;
7320 static struct _raid_device
*raid_device
;
7322 unsigned long flags
;
7324 printk(MPT2SAS_INFO_FMT
"scan devices: start\n", ioc
->name
);
7326 _scsih_sas_host_refresh(ioc
);
7328 printk(MPT2SAS_INFO_FMT
"\tscan devices: expanders start\n",
7332 while (!(mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
7333 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
7334 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7335 MPI2_IOCSTATUS_MASK
;
7336 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7337 printk(MPT2SAS_INFO_FMT
"\tbreak from expander scan: "
7338 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7339 ioc
->name
, ioc_status
,
7340 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7343 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
7344 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
7345 expander_device
= mpt2sas_scsih_expander_find_by_sas_address(
7346 ioc
, le64_to_cpu(expander_pg0
.SASAddress
));
7347 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
7348 if (expander_device
)
7349 _scsih_refresh_expander_links(ioc
, expander_device
,
7352 printk(MPT2SAS_INFO_FMT
"\tBEFORE adding expander: "
7353 "handle (0x%04x), sas_addr(0x%016llx)\n",
7354 ioc
->name
, handle
, (unsigned long long)
7355 le64_to_cpu(expander_pg0
.SASAddress
));
7356 _scsih_expander_add(ioc
, handle
);
7357 printk(MPT2SAS_INFO_FMT
"\tAFTER adding expander: "
7358 "handle (0x%04x), sas_addr(0x%016llx)\n",
7359 ioc
->name
, handle
, (unsigned long long)
7360 le64_to_cpu(expander_pg0
.SASAddress
));
7364 printk(MPT2SAS_INFO_FMT
"\tscan devices: expanders complete\n",
7367 if (!ioc
->ir_firmware
)
7370 printk(MPT2SAS_INFO_FMT
"\tscan devices phys disk start\n", ioc
->name
);
7372 phys_disk_num
= 0xFF;
7373 while (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
7374 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
7376 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7377 MPI2_IOCSTATUS_MASK
;
7378 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7379 printk(MPT2SAS_INFO_FMT
"\tbreak from phys disk scan:"
7380 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7381 ioc
->name
, ioc_status
,
7382 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7385 phys_disk_num
= pd_pg0
.PhysDiskNum
;
7386 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
7387 sas_device
= mpt2sas_get_sdev_by_handle(ioc
, handle
);
7389 sas_device_put(sas_device
);
7392 if (mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
7393 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
7396 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7397 MPI2_IOCSTATUS_MASK
;
7398 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7399 printk(MPT2SAS_INFO_FMT
"\tbreak from phys disk scan "
7400 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7401 ioc
->name
, ioc_status
,
7402 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7405 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
7406 if (!_scsih_get_sas_address(ioc
, parent_handle
,
7408 printk(MPT2SAS_INFO_FMT
"\tBEFORE adding phys disk: "
7409 " handle (0x%04x), sas_addr(0x%016llx)\n",
7410 ioc
->name
, handle
, (unsigned long long)
7411 le64_to_cpu(sas_device_pg0
.SASAddress
));
7412 mpt2sas_transport_update_links(ioc
, sas_address
,
7413 handle
, sas_device_pg0
.PhyNum
,
7414 MPI2_SAS_NEG_LINK_RATE_1_5
);
7415 set_bit(handle
, ioc
->pd_handles
);
7417 /* This will retry adding the end device.
7418 * _scsih_add_device() will decide on retries and
7419 * return "1" when it should be retried
7421 while (_scsih_add_device(ioc
, handle
, retry_count
++,
7425 printk(MPT2SAS_INFO_FMT
"\tAFTER adding phys disk: "
7426 " handle (0x%04x), sas_addr(0x%016llx)\n",
7427 ioc
->name
, handle
, (unsigned long long)
7428 le64_to_cpu(sas_device_pg0
.SASAddress
));
7432 printk(MPT2SAS_INFO_FMT
"\tscan devices: phys disk complete\n",
7435 printk(MPT2SAS_INFO_FMT
"\tscan devices: volumes start\n", ioc
->name
);
7438 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
7439 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
7440 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7441 MPI2_IOCSTATUS_MASK
;
7442 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7443 printk(MPT2SAS_INFO_FMT
"\tbreak from volume scan: "
7444 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7445 ioc
->name
, ioc_status
,
7446 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7449 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
7450 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
7451 raid_device
= _scsih_raid_device_find_by_wwid(ioc
,
7452 le64_to_cpu(volume_pg1
.WWID
));
7453 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
7456 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
7457 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
7458 sizeof(Mpi2RaidVolPage0_t
)))
7460 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7461 MPI2_IOCSTATUS_MASK
;
7462 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7463 printk(MPT2SAS_INFO_FMT
"\tbreak from volume scan: "
7464 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7465 ioc
->name
, ioc_status
,
7466 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7469 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
7470 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
7471 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
) {
7472 memset(&element
, 0, sizeof(Mpi2EventIrConfigElement_t
));
7473 element
.ReasonCode
= MPI2_EVENT_IR_CHANGE_RC_ADDED
;
7474 element
.VolDevHandle
= volume_pg1
.DevHandle
;
7475 printk(MPT2SAS_INFO_FMT
"\tBEFORE adding volume: "
7476 " handle (0x%04x)\n", ioc
->name
,
7477 volume_pg1
.DevHandle
);
7478 _scsih_sas_volume_add(ioc
, &element
);
7479 printk(MPT2SAS_INFO_FMT
"\tAFTER adding volume: "
7480 " handle (0x%04x)\n", ioc
->name
,
7481 volume_pg1
.DevHandle
);
7485 printk(MPT2SAS_INFO_FMT
"\tscan devices: volumes complete\n",
7490 printk(MPT2SAS_INFO_FMT
"\tscan devices: end devices start\n",
7494 while (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
7495 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
7497 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7498 MPI2_IOCSTATUS_MASK
;
7499 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7500 printk(MPT2SAS_INFO_FMT
"\tbreak from end device scan:"
7501 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7502 ioc
->name
, ioc_status
,
7503 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7506 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
7507 if (!(_scsih_is_end_device(
7508 le32_to_cpu(sas_device_pg0
.DeviceInfo
))))
7510 sas_device
= mpt2sas_get_sdev_by_addr(ioc
,
7511 le64_to_cpu(sas_device_pg0
.SASAddress
));
7513 sas_device_put(sas_device
);
7516 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
7517 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
)) {
7518 printk(MPT2SAS_INFO_FMT
"\tBEFORE adding end device: "
7519 "handle (0x%04x), sas_addr(0x%016llx)\n",
7520 ioc
->name
, handle
, (unsigned long long)
7521 le64_to_cpu(sas_device_pg0
.SASAddress
));
7522 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
7523 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
7525 /* This will retry adding the end device.
7526 * _scsih_add_device() will decide on retries and
7527 * return "1" when it should be retried
7529 while (_scsih_add_device(ioc
, handle
, retry_count
++,
7533 printk(MPT2SAS_INFO_FMT
"\tAFTER adding end device: "
7534 "handle (0x%04x), sas_addr(0x%016llx)\n",
7535 ioc
->name
, handle
, (unsigned long long)
7536 le64_to_cpu(sas_device_pg0
.SASAddress
));
7540 printk(MPT2SAS_INFO_FMT
"\tscan devices: end devices complete\n",
7543 printk(MPT2SAS_INFO_FMT
"scan devices: complete\n", ioc
->name
);
7548 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
7549 * @ioc: per adapter object
7550 * @reset_phase: phase
7552 * The handler for doing any required cleanup or initialization.
7554 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
7555 * MPT2_IOC_DONE_RESET
7560 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER
*ioc
, int reset_phase
)
7562 switch (reset_phase
) {
7563 case MPT2_IOC_PRE_RESET
:
7564 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7565 "MPT2_IOC_PRE_RESET\n", ioc
->name
, __func__
));
7567 case MPT2_IOC_AFTER_RESET
:
7568 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7569 "MPT2_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
7570 if (ioc
->scsih_cmds
.status
& MPT2_CMD_PENDING
) {
7571 ioc
->scsih_cmds
.status
|= MPT2_CMD_RESET
;
7572 mpt2sas_base_free_smid(ioc
, ioc
->scsih_cmds
.smid
);
7573 complete(&ioc
->scsih_cmds
.done
);
7575 if (ioc
->tm_cmds
.status
& MPT2_CMD_PENDING
) {
7576 ioc
->tm_cmds
.status
|= MPT2_CMD_RESET
;
7577 mpt2sas_base_free_smid(ioc
, ioc
->tm_cmds
.smid
);
7578 complete(&ioc
->tm_cmds
.done
);
7580 _scsih_fw_event_cleanup_queue(ioc
);
7581 _scsih_flush_running_cmds(ioc
);
7583 case MPT2_IOC_DONE_RESET
:
7584 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7585 "MPT2_IOC_DONE_RESET\n", ioc
->name
, __func__
));
7586 _scsih_sas_host_refresh(ioc
);
7587 _scsih_prep_device_scan(ioc
);
7588 _scsih_search_responding_sas_devices(ioc
);
7589 _scsih_search_responding_raid_devices(ioc
);
7590 _scsih_search_responding_expanders(ioc
);
7591 if ((!ioc
->is_driver_loading
) && !(disable_discovery
> 0 &&
7592 !ioc
->sas_hba
.num_phys
)) {
7593 _scsih_prep_device_scan(ioc
);
7594 _scsih_search_responding_sas_devices(ioc
);
7595 _scsih_search_responding_raid_devices(ioc
);
7596 _scsih_search_responding_expanders(ioc
);
7597 _scsih_error_recovery_delete_devices(ioc
);
7604 * _firmware_event_work - delayed task for processing firmware events
7605 * @ioc: per adapter object
7606 * @work: equal to the fw_event_work object
7612 _firmware_event_work(struct work_struct
*work
)
7614 struct fw_event_work
*fw_event
= container_of(work
,
7615 struct fw_event_work
, delayed_work
.work
);
7616 struct MPT2SAS_ADAPTER
*ioc
= fw_event
->ioc
;
7618 _scsih_fw_event_del_from_list(ioc
, fw_event
);
7620 /* the queue is being flushed so ignore this event */
7621 if (ioc
->remove_host
|| ioc
->pci_error_recovery
) {
7622 fw_event_work_put(fw_event
);
7626 switch (fw_event
->event
) {
7627 case MPT2SAS_REMOVE_UNRESPONDING_DEVICES
:
7628 while (scsi_host_in_recovery(ioc
->shost
) ||
7629 ioc
->shost_recovery
) {
7631 * If we're unloading, bail. Otherwise, this can become
7634 if (ioc
->remove_host
)
7639 _scsih_remove_unresponding_sas_devices(ioc
);
7640 _scsih_scan_for_devices_after_reset(ioc
);
7642 case MPT2SAS_PORT_ENABLE_COMPLETE
:
7643 ioc
->start_scan
= 0;
7645 if (missing_delay
[0] != -1 && missing_delay
[1] != -1)
7646 mpt2sas_base_update_missing_delay(ioc
, missing_delay
[0],
7649 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"port enable: complete "
7650 "from worker thread\n", ioc
->name
));
7652 case MPT2SAS_TURN_ON_PFA_LED
:
7653 _scsih_turn_on_pfa_led(ioc
, fw_event
->device_handle
);
7655 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7656 _scsih_sas_topology_change_event(ioc
, fw_event
);
7658 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7659 _scsih_sas_device_status_change_event(ioc
,
7662 case MPI2_EVENT_SAS_DISCOVERY
:
7663 _scsih_sas_discovery_event(ioc
,
7666 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7667 _scsih_sas_broadcast_primitive_event(ioc
,
7670 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7671 _scsih_sas_enclosure_dev_status_change_event(ioc
,
7674 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7675 _scsih_sas_ir_config_change_event(ioc
, fw_event
);
7677 case MPI2_EVENT_IR_VOLUME
:
7678 _scsih_sas_ir_volume_event(ioc
, fw_event
);
7680 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7681 _scsih_sas_ir_physical_disk_event(ioc
, fw_event
);
7683 case MPI2_EVENT_IR_OPERATION_STATUS
:
7684 _scsih_sas_ir_operation_status_event(ioc
, fw_event
);
7688 fw_event_work_put(fw_event
);
7692 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
7693 * @ioc: per adapter object
7694 * @msix_index: MSIX table index supplied by the OS
7695 * @reply: reply message frame(lower 32bit addr)
7696 * Context: interrupt.
7698 * This function merely adds a new work task into ioc->firmware_event_thread.
7699 * The tasks are worked from _firmware_event_work in user context.
7704 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER
*ioc
, u8 msix_index
,
7707 struct fw_event_work
*fw_event
;
7708 Mpi2EventNotificationReply_t
*mpi_reply
;
7712 /* events turned off due to host reset or driver unloading */
7713 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
7716 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
7718 if (unlikely(!mpi_reply
)) {
7719 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
7720 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7724 event
= le16_to_cpu(mpi_reply
->Event
);
7728 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7730 Mpi2EventDataSasBroadcastPrimitive_t
*baen_data
=
7731 (Mpi2EventDataSasBroadcastPrimitive_t
*)
7732 mpi_reply
->EventData
;
7734 if (baen_data
->Primitive
!=
7735 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT
)
7738 if (ioc
->broadcast_aen_busy
) {
7739 ioc
->broadcast_aen_pending
++;
7742 ioc
->broadcast_aen_busy
= 1;
7746 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7747 _scsih_check_topo_delete_events(ioc
,
7748 (Mpi2EventDataSasTopologyChangeList_t
*)
7749 mpi_reply
->EventData
);
7751 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7752 _scsih_check_ir_config_unhide_events(ioc
,
7753 (Mpi2EventDataIrConfigChangeList_t
*)
7754 mpi_reply
->EventData
);
7756 case MPI2_EVENT_IR_VOLUME
:
7757 _scsih_check_volume_delete_events(ioc
,
7758 (Mpi2EventDataIrVolume_t
*)
7759 mpi_reply
->EventData
);
7761 case MPI2_EVENT_LOG_ENTRY_ADDED
:
7763 Mpi2EventDataLogEntryAdded_t
*log_entry
;
7766 if (!ioc
->is_warpdrive
)
7769 log_entry
= (Mpi2EventDataLogEntryAdded_t
*)
7770 mpi_reply
->EventData
;
7771 log_code
= (__le32
*)log_entry
->LogData
;
7773 if (le16_to_cpu(log_entry
->LogEntryQualifier
)
7774 != MPT2_WARPDRIVE_LOGENTRY
)
7777 switch (le32_to_cpu(*log_code
)) {
7778 case MPT2_WARPDRIVE_LC_SSDT
:
7779 printk(MPT2SAS_WARN_FMT
"WarpDrive Warning: "
7780 "IO Throttling has occurred in the WarpDrive "
7781 "subsystem. Check WarpDrive documentation for "
7782 "additional details.\n", ioc
->name
);
7784 case MPT2_WARPDRIVE_LC_SSDLW
:
7785 printk(MPT2SAS_WARN_FMT
"WarpDrive Warning: "
7786 "Program/Erase Cycles for the WarpDrive subsystem "
7787 "in degraded range. Check WarpDrive documentation "
7788 "for additional details.\n", ioc
->name
);
7790 case MPT2_WARPDRIVE_LC_SSDLF
:
7791 printk(MPT2SAS_ERR_FMT
"WarpDrive Fatal Error: "
7792 "There are no Program/Erase Cycles for the "
7793 "WarpDrive subsystem. The storage device will be "
7794 "in read-only mode. Check WarpDrive documentation "
7795 "for additional details.\n", ioc
->name
);
7797 case MPT2_WARPDRIVE_LC_BRMF
:
7798 printk(MPT2SAS_ERR_FMT
"WarpDrive Fatal Error: "
7799 "The Backup Rail Monitor has failed on the "
7800 "WarpDrive subsystem. Check WarpDrive "
7801 "documentation for additional details.\n",
7808 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7809 case MPI2_EVENT_IR_OPERATION_STATUS
:
7810 case MPI2_EVENT_SAS_DISCOVERY
:
7811 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7812 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7815 case MPI2_EVENT_TEMP_THRESHOLD
:
7816 _scsih_temp_threshold_events(ioc
,
7817 (Mpi2EventDataTemperature_t
*)
7818 mpi_reply
->EventData
);
7821 default: /* ignore the rest */
7825 sz
= le16_to_cpu(mpi_reply
->EventDataLength
) * 4;
7826 fw_event
= alloc_fw_event_work(sz
);
7828 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
7829 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7833 memcpy(fw_event
->event_data
, mpi_reply
->EventData
, sz
);
7834 fw_event
->ioc
= ioc
;
7835 fw_event
->VF_ID
= mpi_reply
->VF_ID
;
7836 fw_event
->VP_ID
= mpi_reply
->VP_ID
;
7837 fw_event
->event
= event
;
7838 _scsih_fw_event_add(ioc
, fw_event
);
7839 fw_event_work_put(fw_event
);
7843 /* shost template */
7844 static struct scsi_host_template scsih_driver_template
= {
7845 .module
= THIS_MODULE
,
7846 .name
= "Fusion MPT SAS Host",
7847 .proc_name
= MPT2SAS_DRIVER_NAME
,
7848 .queuecommand
= _scsih_qcmd
,
7849 .target_alloc
= _scsih_target_alloc
,
7850 .slave_alloc
= _scsih_slave_alloc
,
7851 .slave_configure
= _scsih_slave_configure
,
7852 .target_destroy
= _scsih_target_destroy
,
7853 .slave_destroy
= _scsih_slave_destroy
,
7854 .scan_finished
= _scsih_scan_finished
,
7855 .scan_start
= _scsih_scan_start
,
7856 .change_queue_depth
= _scsih_change_queue_depth
,
7857 .eh_abort_handler
= _scsih_abort
,
7858 .eh_device_reset_handler
= _scsih_dev_reset
,
7859 .eh_target_reset_handler
= _scsih_target_reset
,
7860 .eh_host_reset_handler
= _scsih_host_reset
,
7861 .bios_param
= _scsih_bios_param
,
7864 .sg_tablesize
= MPT2SAS_SG_DEPTH
,
7865 .max_sectors
= 32767,
7867 .use_clustering
= ENABLE_CLUSTERING
,
7868 .shost_attrs
= mpt2sas_host_attrs
,
7869 .sdev_attrs
= mpt2sas_dev_attrs
,
7870 .track_queue_depth
= 1,
7874 * _scsih_expander_node_remove - removing expander device from list.
7875 * @ioc: per adapter object
7876 * @sas_expander: the sas_device object
7877 * Context: Calling function should acquire ioc->sas_node_lock.
7879 * Removing object and freeing associated memory from the
7880 * ioc->sas_expander_list.
7885 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
7886 struct _sas_node
*sas_expander
)
7888 struct _sas_port
*mpt2sas_port
, *next
;
7890 /* remove sibling ports attached to this expander */
7891 list_for_each_entry_safe(mpt2sas_port
, next
,
7892 &sas_expander
->sas_port_list
, port_list
) {
7893 if (ioc
->shost_recovery
)
7895 if (mpt2sas_port
->remote_identify
.device_type
==
7897 mpt2sas_device_remove_by_sas_address(ioc
,
7898 mpt2sas_port
->remote_identify
.sas_address
);
7899 else if (mpt2sas_port
->remote_identify
.device_type
==
7900 SAS_EDGE_EXPANDER_DEVICE
||
7901 mpt2sas_port
->remote_identify
.device_type
==
7902 SAS_FANOUT_EXPANDER_DEVICE
)
7903 mpt2sas_expander_remove(ioc
,
7904 mpt2sas_port
->remote_identify
.sas_address
);
7907 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
7908 sas_expander
->sas_address_parent
);
7910 printk(MPT2SAS_INFO_FMT
"expander_remove: handle"
7911 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
7912 sas_expander
->handle
, (unsigned long long)
7913 sas_expander
->sas_address
);
7915 kfree(sas_expander
->phy
);
7916 kfree(sas_expander
);
7920 * _scsih_ir_shutdown - IR shutdown notification
7921 * @ioc: per adapter object
7923 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
7924 * the host system is shutting down.
7929 _scsih_ir_shutdown(struct MPT2SAS_ADAPTER
*ioc
)
7931 Mpi2RaidActionRequest_t
*mpi_request
;
7932 Mpi2RaidActionReply_t
*mpi_reply
;
7935 /* is IR firmware build loaded ? */
7936 if (!ioc
->ir_firmware
)
7939 mutex_lock(&ioc
->scsih_cmds
.mutex
);
7941 if (ioc
->scsih_cmds
.status
!= MPT2_CMD_NOT_USED
) {
7942 printk(MPT2SAS_ERR_FMT
"%s: scsih_cmd in use\n",
7943 ioc
->name
, __func__
);
7946 ioc
->scsih_cmds
.status
= MPT2_CMD_PENDING
;
7948 smid
= mpt2sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
7950 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
7951 ioc
->name
, __func__
);
7952 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
7956 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
7957 ioc
->scsih_cmds
.smid
= smid
;
7958 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
7960 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
7961 mpi_request
->Action
= MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED
;
7963 if (!ioc
->hide_ir_msg
)
7964 printk(MPT2SAS_INFO_FMT
"IR shutdown (sending)\n", ioc
->name
);
7965 init_completion(&ioc
->scsih_cmds
.done
);
7966 mpt2sas_base_put_smid_default(ioc
, smid
);
7967 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
7969 if (!(ioc
->scsih_cmds
.status
& MPT2_CMD_COMPLETE
)) {
7970 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
7971 ioc
->name
, __func__
);
7975 if (ioc
->scsih_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
7976 mpi_reply
= ioc
->scsih_cmds
.reply
;
7978 if (!ioc
->hide_ir_msg
)
7979 printk(MPT2SAS_INFO_FMT
"IR shutdown (complete): "
7980 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7981 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
7982 le32_to_cpu(mpi_reply
->IOCLogInfo
));
7986 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
7987 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
7991 * _scsih_shutdown - routine call during system shutdown
7992 * @pdev: PCI device struct
7997 _scsih_shutdown(struct pci_dev
*pdev
)
7999 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8000 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8001 struct workqueue_struct
*wq
;
8002 unsigned long flags
;
8004 ioc
->remove_host
= 1;
8005 _scsih_fw_event_cleanup_queue(ioc
);
8007 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
8008 wq
= ioc
->firmware_event_thread
;
8009 ioc
->firmware_event_thread
= NULL
;
8010 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
8012 destroy_workqueue(wq
);
8014 _scsih_ir_shutdown(ioc
);
8015 mpt2sas_base_detach(ioc
);
8019 * _scsih_remove - detach and remove add host
8020 * @pdev: PCI device struct
8022 * Routine called when unloading the driver.
8026 _scsih_remove(struct pci_dev
*pdev
)
8028 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8029 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8030 struct _sas_port
*mpt2sas_port
, *next_port
;
8031 struct _raid_device
*raid_device
, *next
;
8032 struct MPT2SAS_TARGET
*sas_target_priv_data
;
8033 struct workqueue_struct
*wq
;
8034 unsigned long flags
;
8036 ioc
->remove_host
= 1;
8037 _scsih_fw_event_cleanup_queue(ioc
);
8039 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
8040 wq
= ioc
->firmware_event_thread
;
8041 ioc
->firmware_event_thread
= NULL
;
8042 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
8044 destroy_workqueue(wq
);
8046 /* release all the volumes */
8047 _scsih_ir_shutdown(ioc
);
8048 list_for_each_entry_safe(raid_device
, next
, &ioc
->raid_device_list
,
8050 if (raid_device
->starget
) {
8051 sas_target_priv_data
=
8052 raid_device
->starget
->hostdata
;
8053 sas_target_priv_data
->deleted
= 1;
8054 scsi_remove_target(&raid_device
->starget
->dev
);
8056 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
8057 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
8058 (unsigned long long) raid_device
->wwid
);
8059 _scsih_raid_device_remove(ioc
, raid_device
);
8062 /* free ports attached to the sas_host */
8063 list_for_each_entry_safe(mpt2sas_port
, next_port
,
8064 &ioc
->sas_hba
.sas_port_list
, port_list
) {
8065 if (mpt2sas_port
->remote_identify
.device_type
==
8067 mpt2sas_device_remove_by_sas_address(ioc
,
8068 mpt2sas_port
->remote_identify
.sas_address
);
8069 else if (mpt2sas_port
->remote_identify
.device_type
==
8070 SAS_EDGE_EXPANDER_DEVICE
||
8071 mpt2sas_port
->remote_identify
.device_type
==
8072 SAS_FANOUT_EXPANDER_DEVICE
)
8073 mpt2sas_expander_remove(ioc
,
8074 mpt2sas_port
->remote_identify
.sas_address
);
8077 /* free phys attached to the sas_host */
8078 if (ioc
->sas_hba
.num_phys
) {
8079 kfree(ioc
->sas_hba
.phy
);
8080 ioc
->sas_hba
.phy
= NULL
;
8081 ioc
->sas_hba
.num_phys
= 0;
8084 sas_remove_host(shost
);
8085 scsi_remove_host(shost
);
8086 mpt2sas_base_detach(ioc
);
8087 spin_lock(&gioc_lock
);
8088 list_del(&ioc
->list
);
8089 spin_unlock(&gioc_lock
);
8090 scsi_host_put(shost
);
8094 * _scsih_probe_boot_devices - reports 1st device
8095 * @ioc: per adapter object
8097 * If specified in bios page 2, this routine reports the 1st
8098 * device scsi-ml or sas transport for persistent boot device
8099 * purposes. Please refer to function _scsih_determine_boot_device()
8102 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER
*ioc
)
8106 struct _sas_device
*sas_device
;
8107 struct _raid_device
*raid_device
;
8109 u64 sas_address_parent
;
8111 unsigned long flags
;
8114 /* no Bios, return immediately */
8115 if (!ioc
->bios_pg3
.BiosVersion
)
8120 if (ioc
->req_boot_device
.device
) {
8121 device
= ioc
->req_boot_device
.device
;
8122 is_raid
= ioc
->req_boot_device
.is_raid
;
8123 } else if (ioc
->req_alt_boot_device
.device
) {
8124 device
= ioc
->req_alt_boot_device
.device
;
8125 is_raid
= ioc
->req_alt_boot_device
.is_raid
;
8126 } else if (ioc
->current_boot_device
.device
) {
8127 device
= ioc
->current_boot_device
.device
;
8128 is_raid
= ioc
->current_boot_device
.is_raid
;
8135 raid_device
= device
;
8136 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
8137 raid_device
->id
, 0);
8139 _scsih_raid_device_remove(ioc
, raid_device
);
8141 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
8142 sas_device
= device
;
8143 handle
= sas_device
->handle
;
8144 sas_address_parent
= sas_device
->sas_address_parent
;
8145 sas_address
= sas_device
->sas_address
;
8146 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
8147 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
8149 if (ioc
->hide_drives
)
8151 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
8152 sas_device
->sas_address_parent
)) {
8153 _scsih_sas_device_remove(ioc
, sas_device
);
8154 } else if (!sas_device
->starget
) {
8155 if (!ioc
->is_driver_loading
) {
8156 mpt2sas_transport_port_remove(ioc
,
8158 sas_address_parent
);
8159 _scsih_sas_device_remove(ioc
, sas_device
);
8166 * _scsih_probe_raid - reporting raid volumes to scsi-ml
8167 * @ioc: per adapter object
8169 * Called during initial loading of the driver.
8172 _scsih_probe_raid(struct MPT2SAS_ADAPTER
*ioc
)
8174 struct _raid_device
*raid_device
, *raid_next
;
8177 list_for_each_entry_safe(raid_device
, raid_next
,
8178 &ioc
->raid_device_list
, list
) {
8179 if (raid_device
->starget
)
8181 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
8182 raid_device
->id
, 0);
8184 _scsih_raid_device_remove(ioc
, raid_device
);
8188 static struct _sas_device
*get_next_sas_device(struct MPT2SAS_ADAPTER
*ioc
)
8190 struct _sas_device
*sas_device
= NULL
;
8191 unsigned long flags
;
8193 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
8194 if (!list_empty(&ioc
->sas_device_init_list
)) {
8195 sas_device
= list_first_entry(&ioc
->sas_device_init_list
,
8196 struct _sas_device
, list
);
8197 sas_device_get(sas_device
);
8199 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
8204 static void sas_device_make_active(struct MPT2SAS_ADAPTER
*ioc
,
8205 struct _sas_device
*sas_device
)
8207 unsigned long flags
;
8209 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
8212 * Since we dropped the lock during the call to port_add(), we need to
8213 * be careful here that somebody else didn't move or delete this item
8214 * while we were busy with other things.
8216 * If it was on the list, we need a put() for the reference the list
8217 * had. Either way, we need a get() for the destination list.
8219 if (!list_empty(&sas_device
->list
)) {
8220 list_del_init(&sas_device
->list
);
8221 sas_device_put(sas_device
);
8224 sas_device_get(sas_device
);
8225 list_add_tail(&sas_device
->list
, &ioc
->sas_device_list
);
8227 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
8231 * _scsih_probe_sas - reporting sas devices to sas transport
8232 * @ioc: per adapter object
8234 * Called during initial loading of the driver.
8237 _scsih_probe_sas(struct MPT2SAS_ADAPTER
*ioc
)
8239 struct _sas_device
*sas_device
;
8241 if (ioc
->hide_drives
)
8244 while ((sas_device
= get_next_sas_device(ioc
))) {
8245 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
8246 sas_device
->sas_address_parent
)) {
8247 _scsih_sas_device_remove(ioc
, sas_device
);
8248 sas_device_put(sas_device
);
8250 } else if (!sas_device
->starget
) {
8251 if (!ioc
->is_driver_loading
) {
8252 mpt2sas_transport_port_remove(ioc
,
8253 sas_device
->sas_address
,
8254 sas_device
->sas_address_parent
);
8255 _scsih_sas_device_remove(ioc
, sas_device
);
8256 sas_device_put(sas_device
);
8261 sas_device_make_active(ioc
, sas_device
);
8262 sas_device_put(sas_device
);
8267 * _scsih_probe_devices - probing for devices
8268 * @ioc: per adapter object
8270 * Called during initial loading of the driver.
8273 _scsih_probe_devices(struct MPT2SAS_ADAPTER
*ioc
)
8275 u16 volume_mapping_flags
;
8277 if (!(ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR
))
8278 return; /* return when IOC doesn't support initiator mode */
8280 _scsih_probe_boot_devices(ioc
);
8282 if (ioc
->ir_firmware
) {
8283 volume_mapping_flags
=
8284 le16_to_cpu(ioc
->ioc_pg8
.IRVolumeMappingFlags
) &
8285 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE
;
8286 if (volume_mapping_flags
==
8287 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING
) {
8288 _scsih_probe_raid(ioc
);
8289 _scsih_probe_sas(ioc
);
8291 _scsih_probe_sas(ioc
);
8292 _scsih_probe_raid(ioc
);
8295 _scsih_probe_sas(ioc
);
8300 * _scsih_scan_start - scsi lld callback for .scan_start
8301 * @shost: SCSI host pointer
8303 * The shost has the ability to discover targets on its own instead
8304 * of scanning the entire bus. In our implemention, we will kick off
8305 * firmware discovery.
8308 _scsih_scan_start(struct Scsi_Host
*shost
)
8310 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8313 if (diag_buffer_enable
!= -1 && diag_buffer_enable
!= 0)
8314 mpt2sas_enable_diag_buffer(ioc
, diag_buffer_enable
);
8316 if (disable_discovery
> 0)
8319 ioc
->start_scan
= 1;
8320 rc
= mpt2sas_port_enable(ioc
);
8323 printk(MPT2SAS_INFO_FMT
"port enable: FAILED\n", ioc
->name
);
8327 * _scsih_scan_finished - scsi lld callback for .scan_finished
8328 * @shost: SCSI host pointer
8329 * @time: elapsed time of the scan in jiffies
8331 * This function will be called periodically until it returns 1 with the
8332 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8333 * we wait for firmware discovery to complete, then return 1.
8336 _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
8338 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8340 if (disable_discovery
> 0) {
8341 ioc
->is_driver_loading
= 0;
8342 ioc
->wait_for_discovery_to_complete
= 0;
8346 if (time
>= (300 * HZ
)) {
8347 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
8348 printk(MPT2SAS_INFO_FMT
"port enable: FAILED with timeout "
8349 "(timeout=300s)\n", ioc
->name
);
8350 ioc
->is_driver_loading
= 0;
8354 if (ioc
->start_scan
)
8357 if (ioc
->start_scan_failed
) {
8358 printk(MPT2SAS_INFO_FMT
"port enable: FAILED with "
8359 "(ioc_status=0x%08x)\n", ioc
->name
, ioc
->start_scan_failed
);
8360 ioc
->is_driver_loading
= 0;
8361 ioc
->wait_for_discovery_to_complete
= 0;
8362 ioc
->remove_host
= 1;
8366 printk(MPT2SAS_INFO_FMT
"port enable: SUCCESS\n", ioc
->name
);
8367 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
8369 if (ioc
->wait_for_discovery_to_complete
) {
8370 ioc
->wait_for_discovery_to_complete
= 0;
8371 _scsih_probe_devices(ioc
);
8373 mpt2sas_base_start_watchdog(ioc
);
8374 ioc
->is_driver_loading
= 0;
8380 * _scsih_probe - attach and add scsi host
8381 * @pdev: PCI device struct
8382 * @id: pci device id
8384 * Returns 0 success, anything else error.
8387 _scsih_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
8389 struct MPT2SAS_ADAPTER
*ioc
;
8390 struct Scsi_Host
*shost
;
8393 shost
= scsi_host_alloc(&scsih_driver_template
,
8394 sizeof(struct MPT2SAS_ADAPTER
));
8398 /* init local params */
8399 ioc
= shost_priv(shost
);
8400 memset(ioc
, 0, sizeof(struct MPT2SAS_ADAPTER
));
8401 INIT_LIST_HEAD(&ioc
->list
);
8402 spin_lock(&gioc_lock
);
8403 list_add_tail(&ioc
->list
, &mpt2sas_ioc_list
);
8404 spin_unlock(&gioc_lock
);
8406 ioc
->id
= mpt_ids
++;
8407 sprintf(ioc
->name
, "%s%d", MPT2SAS_DRIVER_NAME
, ioc
->id
);
8409 if (id
->device
== MPI2_MFGPAGE_DEVID_SSS6200
) {
8410 ioc
->is_warpdrive
= 1;
8411 ioc
->hide_ir_msg
= 1;
8413 ioc
->mfg_pg10_hide_flag
= MFG_PAGE10_EXPOSE_ALL_DISKS
;
8414 ioc
->scsi_io_cb_idx
= scsi_io_cb_idx
;
8415 ioc
->tm_cb_idx
= tm_cb_idx
;
8416 ioc
->ctl_cb_idx
= ctl_cb_idx
;
8417 ioc
->base_cb_idx
= base_cb_idx
;
8418 ioc
->port_enable_cb_idx
= port_enable_cb_idx
;
8419 ioc
->transport_cb_idx
= transport_cb_idx
;
8420 ioc
->scsih_cb_idx
= scsih_cb_idx
;
8421 ioc
->config_cb_idx
= config_cb_idx
;
8422 ioc
->tm_tr_cb_idx
= tm_tr_cb_idx
;
8423 ioc
->tm_tr_volume_cb_idx
= tm_tr_volume_cb_idx
;
8424 ioc
->tm_sas_control_cb_idx
= tm_sas_control_cb_idx
;
8425 ioc
->logging_level
= logging_level
;
8426 ioc
->schedule_dead_ioc_flush_running_cmds
= &_scsih_flush_running_cmds
;
8427 /* misc semaphores and spin locks */
8428 mutex_init(&ioc
->reset_in_progress_mutex
);
8429 /* initializing pci_access_mutex lock */
8430 mutex_init(&ioc
->pci_access_mutex
);
8431 spin_lock_init(&ioc
->ioc_reset_in_progress_lock
);
8432 spin_lock_init(&ioc
->scsi_lookup_lock
);
8433 spin_lock_init(&ioc
->sas_device_lock
);
8434 spin_lock_init(&ioc
->sas_node_lock
);
8435 spin_lock_init(&ioc
->fw_event_lock
);
8436 spin_lock_init(&ioc
->raid_device_lock
);
8438 INIT_LIST_HEAD(&ioc
->sas_device_list
);
8439 INIT_LIST_HEAD(&ioc
->sas_device_init_list
);
8440 INIT_LIST_HEAD(&ioc
->sas_expander_list
);
8441 INIT_LIST_HEAD(&ioc
->fw_event_list
);
8442 INIT_LIST_HEAD(&ioc
->raid_device_list
);
8443 INIT_LIST_HEAD(&ioc
->sas_hba
.sas_port_list
);
8444 INIT_LIST_HEAD(&ioc
->delayed_tr_list
);
8445 INIT_LIST_HEAD(&ioc
->delayed_tr_volume_list
);
8446 INIT_LIST_HEAD(&ioc
->reply_queue_list
);
8448 /* init shost parameters */
8449 shost
->max_cmd_len
= 32;
8450 shost
->max_lun
= max_lun
;
8451 shost
->transportt
= mpt2sas_transport_template
;
8452 shost
->unique_id
= ioc
->id
;
8454 if (max_sectors
!= 0xFFFF) {
8455 if (max_sectors
< 64) {
8456 shost
->max_sectors
= 64;
8457 printk(MPT2SAS_WARN_FMT
"Invalid value %d passed "
8458 "for max_sectors, range is 64 to 32767. Assigning "
8459 "value of 64.\n", ioc
->name
, max_sectors
);
8460 } else if (max_sectors
> 32767) {
8461 shost
->max_sectors
= 32767;
8462 printk(MPT2SAS_WARN_FMT
"Invalid value %d passed "
8463 "for max_sectors, range is 64 to 8192. Assigning "
8464 "default value of 32767.\n", ioc
->name
,
8467 shost
->max_sectors
= max_sectors
& 0xFFFE;
8468 printk(MPT2SAS_INFO_FMT
"The max_sectors value is "
8469 "set to %d\n", ioc
->name
, shost
->max_sectors
);
8473 /* register EEDP capabilities with SCSI layer */
8475 scsi_host_set_prot(shost
, prot_mask
);
8477 scsi_host_set_prot(shost
, SHOST_DIF_TYPE1_PROTECTION
8478 | SHOST_DIF_TYPE2_PROTECTION
8479 | SHOST_DIF_TYPE3_PROTECTION
);
8481 scsi_host_set_guard(shost
, SHOST_DIX_GUARD_CRC
);
8484 snprintf(ioc
->firmware_event_name
, sizeof(ioc
->firmware_event_name
),
8485 "fw_event%d", ioc
->id
);
8486 ioc
->firmware_event_thread
= create_singlethread_workqueue(
8487 ioc
->firmware_event_name
);
8488 if (!ioc
->firmware_event_thread
) {
8489 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8490 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8492 goto out_thread_fail
;
8495 ioc
->is_driver_loading
= 1;
8496 if ((mpt2sas_base_attach(ioc
))) {
8497 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8498 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8500 goto out_attach_fail
;
8503 if (ioc
->is_warpdrive
) {
8504 if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_EXPOSE_ALL_DISKS
)
8505 ioc
->hide_drives
= 0;
8506 else if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_HIDE_ALL_DISKS
)
8507 ioc
->hide_drives
= 1;
8509 if (_scsih_get_num_volumes(ioc
))
8510 ioc
->hide_drives
= 1;
8512 ioc
->hide_drives
= 0;
8515 ioc
->hide_drives
= 0;
8517 rv
= scsi_add_host(shost
, &pdev
->dev
);
8519 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8520 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8521 goto out_add_shost_fail
;
8524 scsi_scan_host(shost
);
8529 mpt2sas_base_detach(ioc
);
8531 destroy_workqueue(ioc
->firmware_event_thread
);
8533 spin_lock(&gioc_lock
);
8534 list_del(&ioc
->list
);
8535 spin_unlock(&gioc_lock
);
8536 scsi_host_put(shost
);
8542 * _scsih_suspend - power management suspend main entry point
8543 * @pdev: PCI device struct
8544 * @state: PM state change to (usually PCI_D3)
8546 * Returns 0 success, anything else error.
8549 _scsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
8551 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8552 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8553 pci_power_t device_state
;
8555 mpt2sas_base_stop_watchdog(ioc
);
8556 scsi_block_requests(shost
);
8557 _scsih_ir_shutdown(ioc
);
8558 device_state
= pci_choose_state(pdev
, state
);
8559 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, entering "
8560 "operating state [D%d]\n", ioc
->name
, pdev
,
8561 pci_name(pdev
), device_state
);
8563 mpt2sas_base_free_resources(ioc
);
8564 pci_save_state(pdev
);
8565 pci_set_power_state(pdev
, device_state
);
8570 * _scsih_resume - power management resume main entry point
8571 * @pdev: PCI device struct
8573 * Returns 0 success, anything else error.
8576 _scsih_resume(struct pci_dev
*pdev
)
8578 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8579 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8580 pci_power_t device_state
= pdev
->current_state
;
8583 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, previous "
8584 "operating state [D%d]\n", ioc
->name
, pdev
,
8585 pci_name(pdev
), device_state
);
8587 pci_set_power_state(pdev
, PCI_D0
);
8588 pci_enable_wake(pdev
, PCI_D0
, 0);
8589 pci_restore_state(pdev
);
8591 r
= mpt2sas_base_map_resources(ioc
);
8595 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
, SOFT_RESET
);
8596 scsi_unblock_requests(shost
);
8597 mpt2sas_base_start_watchdog(ioc
);
8600 #endif /* CONFIG_PM */
8603 * _scsih_pci_error_detected - Called when a PCI error is detected.
8604 * @pdev: PCI device struct
8605 * @state: PCI channel state
8607 * Description: Called when a PCI error is detected.
8610 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8612 static pci_ers_result_t
8613 _scsih_pci_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
8615 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8616 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8618 printk(MPT2SAS_INFO_FMT
"PCI error: detected callback, state(%d)!!\n",
8622 case pci_channel_io_normal
:
8623 return PCI_ERS_RESULT_CAN_RECOVER
;
8624 case pci_channel_io_frozen
:
8625 /* Fatal error, prepare for slot reset */
8626 ioc
->pci_error_recovery
= 1;
8627 scsi_block_requests(ioc
->shost
);
8628 mpt2sas_base_stop_watchdog(ioc
);
8629 mpt2sas_base_free_resources(ioc
);
8630 return PCI_ERS_RESULT_NEED_RESET
;
8631 case pci_channel_io_perm_failure
:
8632 /* Permanent error, prepare for device removal */
8633 ioc
->pci_error_recovery
= 1;
8634 mpt2sas_base_stop_watchdog(ioc
);
8635 _scsih_flush_running_cmds(ioc
);
8636 return PCI_ERS_RESULT_DISCONNECT
;
8638 return PCI_ERS_RESULT_NEED_RESET
;
8642 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
8643 * @pdev: PCI device struct
8645 * Description: This routine is called by the pci error recovery
8646 * code after the PCI slot has been reset, just before we
8647 * should resume normal operations.
8649 static pci_ers_result_t
8650 _scsih_pci_slot_reset(struct pci_dev
*pdev
)
8652 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8653 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8656 printk(MPT2SAS_INFO_FMT
"PCI error: slot reset callback!!\n",
8659 ioc
->pci_error_recovery
= 0;
8661 pci_restore_state(pdev
);
8662 rc
= mpt2sas_base_map_resources(ioc
);
8664 return PCI_ERS_RESULT_DISCONNECT
;
8667 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
8670 printk(MPT2SAS_WARN_FMT
"hard reset: %s\n", ioc
->name
,
8671 (rc
== 0) ? "success" : "failed");
8674 return PCI_ERS_RESULT_RECOVERED
;
8676 return PCI_ERS_RESULT_DISCONNECT
;
8680 * _scsih_pci_resume() - resume normal ops after PCI reset
8681 * @pdev: pointer to PCI device
8683 * Called when the error recovery driver tells us that its
8684 * OK to resume normal operation. Use completion to allow
8685 * halted scsi ops to resume.
8688 _scsih_pci_resume(struct pci_dev
*pdev
)
8690 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8691 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8693 printk(MPT2SAS_INFO_FMT
"PCI error: resume callback!!\n", ioc
->name
);
8695 pci_cleanup_aer_uncorrect_error_status(pdev
);
8696 mpt2sas_base_start_watchdog(ioc
);
8697 scsi_unblock_requests(ioc
->shost
);
8701 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
8702 * @pdev: pointer to PCI device
8704 static pci_ers_result_t
8705 _scsih_pci_mmio_enabled(struct pci_dev
*pdev
)
8707 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8708 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8710 printk(MPT2SAS_INFO_FMT
"PCI error: mmio enabled callback!!\n",
8713 /* TODO - dump whatever for debugging purposes */
8715 /* Request a slot reset. */
8716 return PCI_ERS_RESULT_NEED_RESET
;
8719 static const struct pci_error_handlers _scsih_err_handler
= {
8720 .error_detected
= _scsih_pci_error_detected
,
8721 .mmio_enabled
= _scsih_pci_mmio_enabled
,
8722 .slot_reset
= _scsih_pci_slot_reset
,
8723 .resume
= _scsih_pci_resume
,
8726 static struct pci_driver scsih_driver
= {
8727 .name
= MPT2SAS_DRIVER_NAME
,
8728 .id_table
= scsih_pci_table
,
8729 .probe
= _scsih_probe
,
8730 .remove
= _scsih_remove
,
8731 .shutdown
= _scsih_shutdown
,
8732 .err_handler
= &_scsih_err_handler
,
8734 .suspend
= _scsih_suspend
,
8735 .resume
= _scsih_resume
,
8739 /* raid transport support */
8740 static struct raid_function_template mpt2sas_raid_functions
= {
8741 .cookie
= &scsih_driver_template
,
8742 .is_raid
= _scsih_is_raid
,
8743 .get_resync
= _scsih_get_resync
,
8744 .get_state
= _scsih_get_state
,
8748 * _scsih_init - main entry point for this driver.
8750 * Returns 0 success, anything else error.
8758 printk(KERN_INFO
"%s version %s loaded\n", MPT2SAS_DRIVER_NAME
,
8759 MPT2SAS_DRIVER_VERSION
);
8761 mpt2sas_transport_template
=
8762 sas_attach_transport(&mpt2sas_transport_functions
);
8763 if (!mpt2sas_transport_template
)
8765 /* raid transport support */
8766 mpt2sas_raid_template
= raid_class_attach(&mpt2sas_raid_functions
);
8767 if (!mpt2sas_raid_template
) {
8768 sas_release_transport(mpt2sas_transport_template
);
8772 mpt2sas_base_initialize_callback_handler();
8774 /* queuecommand callback hander */
8775 scsi_io_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_io_done
);
8777 /* task management callback handler */
8778 tm_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_tm_done
);
8780 /* base internal commands callback handler */
8781 base_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_base_done
);
8782 port_enable_cb_idx
= mpt2sas_base_register_callback_handler(
8783 mpt2sas_port_enable_done
);
8785 /* transport internal commands callback handler */
8786 transport_cb_idx
= mpt2sas_base_register_callback_handler(
8787 mpt2sas_transport_done
);
8789 /* scsih internal commands callback handler */
8790 scsih_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_done
);
8792 /* configuration page API internal commands callback handler */
8793 config_cb_idx
= mpt2sas_base_register_callback_handler(
8794 mpt2sas_config_done
);
8796 /* ctl module callback handler */
8797 ctl_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_ctl_done
);
8799 tm_tr_cb_idx
= mpt2sas_base_register_callback_handler(
8800 _scsih_tm_tr_complete
);
8802 tm_tr_volume_cb_idx
= mpt2sas_base_register_callback_handler(
8803 _scsih_tm_volume_tr_complete
);
8805 tm_sas_control_cb_idx
= mpt2sas_base_register_callback_handler(
8806 _scsih_sas_control_complete
);
8810 error
= pci_register_driver(&scsih_driver
);
8812 /* raid transport support */
8813 raid_class_release(mpt2sas_raid_template
);
8814 sas_release_transport(mpt2sas_transport_template
);
8821 * _scsih_exit - exit point for this driver (when it is a module).
8823 * Returns 0 success, anything else error.
8828 printk(KERN_INFO
"mpt2sas version %s unloading\n",
8829 MPT2SAS_DRIVER_VERSION
);
8831 pci_unregister_driver(&scsih_driver
);
8835 mpt2sas_base_release_callback_handler(scsi_io_cb_idx
);
8836 mpt2sas_base_release_callback_handler(tm_cb_idx
);
8837 mpt2sas_base_release_callback_handler(base_cb_idx
);
8838 mpt2sas_base_release_callback_handler(port_enable_cb_idx
);
8839 mpt2sas_base_release_callback_handler(transport_cb_idx
);
8840 mpt2sas_base_release_callback_handler(scsih_cb_idx
);
8841 mpt2sas_base_release_callback_handler(config_cb_idx
);
8842 mpt2sas_base_release_callback_handler(ctl_cb_idx
);
8844 mpt2sas_base_release_callback_handler(tm_tr_cb_idx
);
8845 mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx
);
8846 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx
);
8848 /* raid transport support */
8849 raid_class_release(mpt2sas_raid_template
);
8850 sas_release_transport(mpt2sas_transport_template
);
8854 module_init(_scsih_init
);
8855 module_exit(_scsih_exit
);