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) 2007-2012 LSI Corporation
6 * (mailto:DL-MPTFusionLinux@lsi.com)
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
20 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
21 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
22 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
23 * solely responsible for determining the appropriateness of using and
24 * distributing the Program and assumes all risks associated with its
25 * exercise of rights under this Agreement, including but not limited to
26 * the risks and costs of program errors, damage to or loss of data,
27 * programs or equipment, and unavailability or interruption of operations.
29 * DISCLAIMER OF LIABILITY
30 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
31 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
33 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
34 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
35 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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38 * You should have received a copy of the GNU General Public License
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40 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
44 #include <linux/module.h>
45 #include <linux/kernel.h>
46 #include <linux/init.h>
47 #include <linux/errno.h>
48 #include <linux/blkdev.h>
49 #include <linux/sched.h>
50 #include <linux/workqueue.h>
51 #include <linux/delay.h>
52 #include <linux/pci.h>
53 #include <linux/interrupt.h>
54 #include <linux/aer.h>
55 #include <linux/raid_class.h>
56 #include <linux/slab.h>
58 #include "mpt2sas_base.h"
60 MODULE_AUTHOR(MPT2SAS_AUTHOR
);
61 MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION
);
62 MODULE_LICENSE("GPL");
63 MODULE_VERSION(MPT2SAS_DRIVER_VERSION
);
65 #define RAID_CHANNEL 1
68 static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
69 struct _sas_node
*sas_expander
);
70 static void _firmware_event_work(struct work_struct
*work
);
72 static u8
_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
);
74 static void _scsih_scan_start(struct Scsi_Host
*shost
);
75 static int _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
);
77 /* global parameters */
78 LIST_HEAD(mpt2sas_ioc_list
);
80 /* local parameters */
81 static u8 scsi_io_cb_idx
= -1;
82 static u8 tm_cb_idx
= -1;
83 static u8 ctl_cb_idx
= -1;
84 static u8 base_cb_idx
= -1;
85 static u8 port_enable_cb_idx
= -1;
86 static u8 transport_cb_idx
= -1;
87 static u8 scsih_cb_idx
= -1;
88 static u8 config_cb_idx
= -1;
91 static u8 tm_tr_cb_idx
= -1 ;
92 static u8 tm_tr_volume_cb_idx
= -1 ;
93 static u8 tm_sas_control_cb_idx
= -1;
95 /* command line options */
96 static u32 logging_level
;
97 MODULE_PARM_DESC(logging_level
, " bits for enabling additional logging info "
100 static ushort max_sectors
= 0xFFFF;
101 module_param(max_sectors
, ushort
, 0);
102 MODULE_PARM_DESC(max_sectors
, "max sectors, range 64 to 32767 default=32767");
104 static int missing_delay
[2] = {-1, -1};
105 module_param_array(missing_delay
, int, NULL
, 0);
106 MODULE_PARM_DESC(missing_delay
, " device missing delay , io missing delay");
108 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
109 #define MPT2SAS_MAX_LUN (16895)
110 static int max_lun
= MPT2SAS_MAX_LUN
;
111 module_param(max_lun
, int, 0);
112 MODULE_PARM_DESC(max_lun
, " max lun, default=16895 ");
114 /* diag_buffer_enable is bitwise
116 * bit 1 set = SNAPSHOT
117 * bit 2 set = EXTENDED
119 * Either bit can be set, or both
121 static int diag_buffer_enable
= -1;
122 module_param(diag_buffer_enable
, int, 0);
123 MODULE_PARM_DESC(diag_buffer_enable
, " post diag buffers "
124 "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
126 static int disable_discovery
= -1;
127 module_param(disable_discovery
, int, 0);
128 MODULE_PARM_DESC(disable_discovery
, " disable discovery ");
130 /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
131 static int prot_mask
= 0;
132 module_param(prot_mask
, int, 0);
133 MODULE_PARM_DESC(prot_mask
, " host protection capabilities mask, def=7 ");
136 * struct sense_info - common structure for obtaining sense keys
138 * @asc: additional sense code
139 * @ascq: additional sense code qualifier
148 #define MPT2SAS_TURN_ON_FAULT_LED (0xFFFC)
149 #define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD)
150 #define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
152 * struct fw_event_work - firmware event struct
153 * @list: link list framework
154 * @work: work object (ioc->fault_reset_work_q)
155 * @cancel_pending_work: flag set during reset handling
156 * @ioc: per adapter object
157 * @device_handle: device handle
158 * @VF_ID: virtual function id
159 * @VP_ID: virtual port id
160 * @ignore: flag meaning this event has been marked to ignore
161 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
162 * @event_data: reply event data payload follows
164 * This object stored on ioc->fw_event_list.
166 struct fw_event_work
{
167 struct list_head list
;
168 u8 cancel_pending_work
;
169 struct delayed_work delayed_work
;
170 struct MPT2SAS_ADAPTER
*ioc
;
179 /* raid transport support */
180 static struct raid_template
*mpt2sas_raid_template
;
183 * struct _scsi_io_transfer - scsi io transfer
184 * @handle: sas device handle (assigned by firmware)
185 * @is_raid: flag set for hidden raid components
186 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
187 * @data_length: data transfer length
188 * @data_dma: dma pointer to data
191 * @cdb_length: cdb length
193 * @timeout: timeout for this command
194 * @VF_ID: virtual function id
195 * @VP_ID: virtual port id
196 * @valid_reply: flag set for reply message
197 * @sense_length: sense length
198 * @ioc_status: ioc status
199 * @scsi_state: scsi state
200 * @scsi_status: scsi staus
201 * @log_info: log information
202 * @transfer_length: data length transfer when there is a reply message
204 * Used for sending internal scsi commands to devices within this module.
205 * Refer to _scsi_send_scsi_io().
207 struct _scsi_io_transfer
{
210 enum dma_data_direction dir
;
213 u8 sense
[SCSI_SENSE_BUFFERSIZE
];
221 /* the following bits are only valid when 'valid_reply = 1' */
231 * The pci device ids are defined in mpi/mpi2_cnfg.h.
233 static struct pci_device_id scsih_pci_table
[] = {
234 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2004
,
235 PCI_ANY_ID
, PCI_ANY_ID
},
237 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2008
,
238 PCI_ANY_ID
, PCI_ANY_ID
},
239 /* Liberator ~ 2108 */
240 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_1
,
241 PCI_ANY_ID
, PCI_ANY_ID
},
242 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_2
,
243 PCI_ANY_ID
, PCI_ANY_ID
},
244 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_3
,
245 PCI_ANY_ID
, PCI_ANY_ID
},
247 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_1
,
248 PCI_ANY_ID
, PCI_ANY_ID
},
249 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_2
,
250 PCI_ANY_ID
, PCI_ANY_ID
},
251 /* Thunderbolt ~ 2208 */
252 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_1
,
253 PCI_ANY_ID
, PCI_ANY_ID
},
254 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_2
,
255 PCI_ANY_ID
, PCI_ANY_ID
},
256 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_3
,
257 PCI_ANY_ID
, PCI_ANY_ID
},
258 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_4
,
259 PCI_ANY_ID
, PCI_ANY_ID
},
260 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_5
,
261 PCI_ANY_ID
, PCI_ANY_ID
},
262 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_6
,
263 PCI_ANY_ID
, PCI_ANY_ID
},
265 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_1
,
266 PCI_ANY_ID
, PCI_ANY_ID
},
267 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_2
,
268 PCI_ANY_ID
, PCI_ANY_ID
},
269 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_3
,
270 PCI_ANY_ID
, PCI_ANY_ID
},
272 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SSS6200
,
273 PCI_ANY_ID
, PCI_ANY_ID
},
274 {0} /* Terminating entry */
276 MODULE_DEVICE_TABLE(pci
, scsih_pci_table
);
279 * _scsih_set_debug_level - global setting of ioc->logging_level.
281 * Note: The logging levels are defined in mpt2sas_debug.h.
284 _scsih_set_debug_level(const char *val
, struct kernel_param
*kp
)
286 int ret
= param_set_int(val
, kp
);
287 struct MPT2SAS_ADAPTER
*ioc
;
292 printk(KERN_INFO
"setting logging_level(0x%08x)\n", logging_level
);
293 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
)
294 ioc
->logging_level
= logging_level
;
297 module_param_call(logging_level
, _scsih_set_debug_level
, param_get_int
,
298 &logging_level
, 0644);
301 * _scsih_srch_boot_sas_address - search based on sas_address
302 * @sas_address: sas address
303 * @boot_device: boot device object from bios page 2
305 * Returns 1 when there's a match, 0 means no match.
308 _scsih_srch_boot_sas_address(u64 sas_address
,
309 Mpi2BootDeviceSasWwid_t
*boot_device
)
311 return (sas_address
== le64_to_cpu(boot_device
->SASAddress
)) ? 1 : 0;
315 * _scsih_srch_boot_device_name - search based on device name
316 * @device_name: device name specified in INDENTIFY fram
317 * @boot_device: boot device object from bios page 2
319 * Returns 1 when there's a match, 0 means no match.
322 _scsih_srch_boot_device_name(u64 device_name
,
323 Mpi2BootDeviceDeviceName_t
*boot_device
)
325 return (device_name
== le64_to_cpu(boot_device
->DeviceName
)) ? 1 : 0;
329 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
330 * @enclosure_logical_id: enclosure logical id
331 * @slot_number: slot number
332 * @boot_device: boot device object from bios page 2
334 * Returns 1 when there's a match, 0 means no match.
337 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id
, u16 slot_number
,
338 Mpi2BootDeviceEnclosureSlot_t
*boot_device
)
340 return (enclosure_logical_id
== le64_to_cpu(boot_device
->
341 EnclosureLogicalID
) && slot_number
== le16_to_cpu(boot_device
->
342 SlotNumber
)) ? 1 : 0;
346 * _scsih_is_boot_device - search for matching boot device.
347 * @sas_address: sas address
348 * @device_name: device name specified in INDENTIFY fram
349 * @enclosure_logical_id: enclosure logical id
350 * @slot_number: slot number
351 * @form: specifies boot device form
352 * @boot_device: boot device object from bios page 2
354 * Returns 1 when there's a match, 0 means no match.
357 _scsih_is_boot_device(u64 sas_address
, u64 device_name
,
358 u64 enclosure_logical_id
, u16 slot
, u8 form
,
359 Mpi2BiosPage2BootDevice_t
*boot_device
)
364 case MPI2_BIOSPAGE2_FORM_SAS_WWID
:
367 rc
= _scsih_srch_boot_sas_address(
368 sas_address
, &boot_device
->SasWwid
);
370 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT
:
371 if (!enclosure_logical_id
)
373 rc
= _scsih_srch_boot_encl_slot(
374 enclosure_logical_id
,
375 slot
, &boot_device
->EnclosureSlot
);
377 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME
:
380 rc
= _scsih_srch_boot_device_name(
381 device_name
, &boot_device
->DeviceName
);
383 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
:
391 * _scsih_get_sas_address - set the sas_address for given device handle
392 * @handle: device handle
393 * @sas_address: sas address
395 * Returns 0 success, non-zero when failure
398 _scsih_get_sas_address(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
,
401 Mpi2SasDevicePage0_t sas_device_pg0
;
402 Mpi2ConfigReply_t mpi_reply
;
406 if (handle
<= ioc
->sas_hba
.num_phys
) {
407 *sas_address
= ioc
->sas_hba
.sas_address
;
411 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
412 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
413 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
414 __FILE__
, __LINE__
, __func__
);
418 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
419 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
420 *sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
424 /* we hit this becuase the given parent handle doesn't exist */
425 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
427 /* else error case */
428 printk(MPT2SAS_ERR_FMT
"handle(0x%04x), ioc_status(0x%04x), "
429 "failure at %s:%d/%s()!\n", ioc
->name
, handle
, ioc_status
,
430 __FILE__
, __LINE__
, __func__
);
435 * _scsih_determine_boot_device - determine boot device.
436 * @ioc: per adapter object
437 * @device: either sas_device or raid_device object
438 * @is_raid: [flag] 1 = raid object, 0 = sas object
440 * Determines whether this device should be first reported device to
441 * to scsi-ml or sas transport, this purpose is for persistent boot device.
442 * There are primary, alternate, and current entries in bios page 2. The order
443 * priority is primary, alternate, then current. This routine saves
444 * the corresponding device object and is_raid flag in the ioc object.
445 * The saved data to be used later in _scsih_probe_boot_devices().
448 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER
*ioc
,
449 void *device
, u8 is_raid
)
451 struct _sas_device
*sas_device
;
452 struct _raid_device
*raid_device
;
455 u64 enclosure_logical_id
;
458 /* only process this function when driver loads */
459 if (!ioc
->is_driver_loading
)
462 /* no Bios, return immediately */
463 if (!ioc
->bios_pg3
.BiosVersion
)
468 sas_address
= sas_device
->sas_address
;
469 device_name
= sas_device
->device_name
;
470 enclosure_logical_id
= sas_device
->enclosure_logical_id
;
471 slot
= sas_device
->slot
;
473 raid_device
= device
;
474 sas_address
= raid_device
->wwid
;
476 enclosure_logical_id
= 0;
480 if (!ioc
->req_boot_device
.device
) {
481 if (_scsih_is_boot_device(sas_address
, device_name
,
482 enclosure_logical_id
, slot
,
483 (ioc
->bios_pg2
.ReqBootDeviceForm
&
484 MPI2_BIOSPAGE2_FORM_MASK
),
485 &ioc
->bios_pg2
.RequestedBootDevice
)) {
486 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
487 "%s: req_boot_device(0x%016llx)\n",
489 (unsigned long long)sas_address
));
490 ioc
->req_boot_device
.device
= device
;
491 ioc
->req_boot_device
.is_raid
= is_raid
;
495 if (!ioc
->req_alt_boot_device
.device
) {
496 if (_scsih_is_boot_device(sas_address
, device_name
,
497 enclosure_logical_id
, slot
,
498 (ioc
->bios_pg2
.ReqAltBootDeviceForm
&
499 MPI2_BIOSPAGE2_FORM_MASK
),
500 &ioc
->bios_pg2
.RequestedAltBootDevice
)) {
501 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
502 "%s: req_alt_boot_device(0x%016llx)\n",
504 (unsigned long long)sas_address
));
505 ioc
->req_alt_boot_device
.device
= device
;
506 ioc
->req_alt_boot_device
.is_raid
= is_raid
;
510 if (!ioc
->current_boot_device
.device
) {
511 if (_scsih_is_boot_device(sas_address
, device_name
,
512 enclosure_logical_id
, slot
,
513 (ioc
->bios_pg2
.CurrentBootDeviceForm
&
514 MPI2_BIOSPAGE2_FORM_MASK
),
515 &ioc
->bios_pg2
.CurrentBootDevice
)) {
516 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
517 "%s: current_boot_device(0x%016llx)\n",
519 (unsigned long long)sas_address
));
520 ioc
->current_boot_device
.device
= device
;
521 ioc
->current_boot_device
.is_raid
= is_raid
;
527 * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
528 * @ioc: per adapter object
529 * @sas_address: sas address
530 * Context: Calling function should acquire ioc->sas_device_lock
532 * This searches for sas_device based on sas_address, then return sas_device
536 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
539 struct _sas_device
*sas_device
;
541 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
542 if (sas_device
->sas_address
== sas_address
)
545 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
546 if (sas_device
->sas_address
== sas_address
)
553 * _scsih_sas_device_find_by_handle - sas device search
554 * @ioc: per adapter object
555 * @handle: sas device handle (assigned by firmware)
556 * Context: Calling function should acquire ioc->sas_device_lock
558 * This searches for sas_device based on sas_address, then return sas_device
561 static struct _sas_device
*
562 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
564 struct _sas_device
*sas_device
;
566 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
567 if (sas_device
->handle
== handle
)
570 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
571 if (sas_device
->handle
== handle
)
578 * _scsih_sas_device_remove - remove sas_device from list.
579 * @ioc: per adapter object
580 * @sas_device: the sas_device object
581 * Context: This function will acquire ioc->sas_device_lock.
583 * Removing object and freeing associated memory from the ioc->sas_device_list.
586 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
587 struct _sas_device
*sas_device
)
594 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
595 list_del(&sas_device
->list
);
597 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
602 * _scsih_sas_device_add - insert sas_device to the list.
603 * @ioc: per adapter object
604 * @sas_device: the sas_device object
605 * Context: This function will acquire ioc->sas_device_lock.
607 * Adding new object to the ioc->sas_device_list.
610 _scsih_sas_device_add(struct MPT2SAS_ADAPTER
*ioc
,
611 struct _sas_device
*sas_device
)
615 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
616 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
617 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
619 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
620 list_add_tail(&sas_device
->list
, &ioc
->sas_device_list
);
621 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
623 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
624 sas_device
->sas_address_parent
)) {
625 _scsih_sas_device_remove(ioc
, sas_device
);
626 } else if (!sas_device
->starget
) {
627 /* When asyn scanning is enabled, its not possible to remove
628 * devices while scanning is turned on due to an oops in
629 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
631 if (!ioc
->is_driver_loading
)
632 mpt2sas_transport_port_remove(ioc
,
633 sas_device
->sas_address
,
634 sas_device
->sas_address_parent
);
635 _scsih_sas_device_remove(ioc
, sas_device
);
640 * _scsih_sas_device_init_add - insert sas_device to the list.
641 * @ioc: per adapter object
642 * @sas_device: the sas_device object
643 * Context: This function will acquire ioc->sas_device_lock.
645 * Adding new object at driver load time to the ioc->sas_device_init_list.
648 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER
*ioc
,
649 struct _sas_device
*sas_device
)
653 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
654 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
655 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
657 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
658 list_add_tail(&sas_device
->list
, &ioc
->sas_device_init_list
);
659 _scsih_determine_boot_device(ioc
, sas_device
, 0);
660 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
664 * _scsih_raid_device_find_by_id - raid device search
665 * @ioc: per adapter object
666 * @id: sas device target id
667 * @channel: sas device channel
668 * Context: Calling function should acquire ioc->raid_device_lock
670 * This searches for raid_device based on target id, then return raid_device
673 static struct _raid_device
*
674 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER
*ioc
, int id
, int channel
)
676 struct _raid_device
*raid_device
, *r
;
679 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
680 if (raid_device
->id
== id
&& raid_device
->channel
== channel
) {
691 * _scsih_raid_device_find_by_handle - raid device search
692 * @ioc: per adapter object
693 * @handle: sas device handle (assigned by firmware)
694 * Context: Calling function should acquire ioc->raid_device_lock
696 * This searches for raid_device based on handle, then return raid_device
699 static struct _raid_device
*
700 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
702 struct _raid_device
*raid_device
, *r
;
705 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
706 if (raid_device
->handle
!= handle
)
717 * _scsih_raid_device_find_by_wwid - raid device search
718 * @ioc: per adapter object
719 * @handle: sas device handle (assigned by firmware)
720 * Context: Calling function should acquire ioc->raid_device_lock
722 * This searches for raid_device based on wwid, then return raid_device
725 static struct _raid_device
*
726 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
)
728 struct _raid_device
*raid_device
, *r
;
731 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
732 if (raid_device
->wwid
!= wwid
)
743 * _scsih_raid_device_add - add raid_device object
744 * @ioc: per adapter object
745 * @raid_device: raid_device object
747 * This is added to the raid_device_list link list.
750 _scsih_raid_device_add(struct MPT2SAS_ADAPTER
*ioc
,
751 struct _raid_device
*raid_device
)
755 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
756 "(0x%04x), wwid(0x%016llx)\n", ioc
->name
, __func__
,
757 raid_device
->handle
, (unsigned long long)raid_device
->wwid
));
759 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
760 list_add_tail(&raid_device
->list
, &ioc
->raid_device_list
);
761 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
765 * _scsih_raid_device_remove - delete raid_device object
766 * @ioc: per adapter object
767 * @raid_device: raid_device object
771 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
772 struct _raid_device
*raid_device
)
776 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
777 list_del(&raid_device
->list
);
779 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
783 * mpt2sas_scsih_expander_find_by_handle - expander device search
784 * @ioc: per adapter object
785 * @handle: expander handle (assigned by firmware)
786 * Context: Calling function should acquire ioc->sas_device_lock
788 * This searches for expander device based on handle, then returns the
792 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
794 struct _sas_node
*sas_expander
, *r
;
797 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
798 if (sas_expander
->handle
!= handle
)
808 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
809 * @ioc: per adapter object
810 * @sas_address: sas address
811 * Context: Calling function should acquire ioc->sas_node_lock.
813 * This searches for expander device based on sas_address, then returns the
817 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
820 struct _sas_node
*sas_expander
, *r
;
823 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
824 if (sas_expander
->sas_address
!= sas_address
)
834 * _scsih_expander_node_add - insert expander device to the list.
835 * @ioc: per adapter object
836 * @sas_expander: the sas_device object
837 * Context: This function will acquire ioc->sas_node_lock.
839 * Adding new object to the ioc->sas_expander_list.
844 _scsih_expander_node_add(struct MPT2SAS_ADAPTER
*ioc
,
845 struct _sas_node
*sas_expander
)
849 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
850 list_add_tail(&sas_expander
->list
, &ioc
->sas_expander_list
);
851 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
855 * _scsih_is_end_device - determines if device is an end device
856 * @device_info: bitfield providing information about the device.
859 * Returns 1 if end device.
862 _scsih_is_end_device(u32 device_info
)
864 if (device_info
& MPI2_SAS_DEVICE_INFO_END_DEVICE
&&
865 ((device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) |
866 (device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
) |
867 (device_info
& MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)))
874 * _scsih_scsi_lookup_get - returns scmd entry
875 * @ioc: per adapter object
876 * @smid: system request message index
878 * Returns the smid stored scmd pointer.
880 static struct scsi_cmnd
*
881 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
883 return ioc
->scsi_lookup
[smid
- 1].scmd
;
887 * _scsih_scsi_lookup_get_clear - returns scmd entry
888 * @ioc: per adapter object
889 * @smid: system request message index
891 * Returns the smid stored scmd pointer.
892 * Then will derefrence the stored scmd pointer.
894 static inline struct scsi_cmnd
*
895 _scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
898 struct scsi_cmnd
*scmd
;
900 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
901 scmd
= ioc
->scsi_lookup
[smid
- 1].scmd
;
902 ioc
->scsi_lookup
[smid
- 1].scmd
= NULL
;
903 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
909 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
910 * @ioc: per adapter object
911 * @smid: system request message index
912 * @scmd: pointer to scsi command object
913 * Context: This function will acquire ioc->scsi_lookup_lock.
915 * This will search for a scmd pointer in the scsi_lookup array,
916 * returning the revelent smid. A returned value of zero means invalid.
919 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
926 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
928 for (i
= 0; i
< ioc
->scsiio_depth
; i
++) {
929 if (ioc
->scsi_lookup
[i
].scmd
== scmd
) {
930 smid
= ioc
->scsi_lookup
[i
].smid
;
935 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
940 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
941 * @ioc: per adapter object
944 * Context: This function will acquire ioc->scsi_lookup_lock.
946 * This will search for a matching channel:id in the scsi_lookup array,
947 * returning 1 if found.
950 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER
*ioc
, int id
,
957 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
959 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
960 if (ioc
->scsi_lookup
[i
].scmd
&&
961 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
962 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
)) {
968 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
973 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
974 * @ioc: per adapter object
978 * Context: This function will acquire ioc->scsi_lookup_lock.
980 * This will search for a matching channel:id:lun in the scsi_lookup array,
981 * returning 1 if found.
984 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER
*ioc
, int id
,
985 unsigned int lun
, int channel
)
991 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
993 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
994 if (ioc
->scsi_lookup
[i
].scmd
&&
995 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
996 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
&&
997 ioc
->scsi_lookup
[i
].scmd
->device
->lun
== lun
)) {
1003 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1008 * _scsih_get_chain_buffer_tracker - obtain chain tracker
1009 * @ioc: per adapter object
1010 * @smid: smid associated to an IO request
1012 * Returns chain tracker(from ioc->free_chain_list)
1014 static struct chain_tracker
*
1015 _scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1017 struct chain_tracker
*chain_req
;
1018 unsigned long flags
;
1020 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1021 if (list_empty(&ioc
->free_chain_list
)) {
1022 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1023 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
"chain buffers not "
1024 "available\n", ioc
->name
));
1027 chain_req
= list_entry(ioc
->free_chain_list
.next
,
1028 struct chain_tracker
, tracker_list
);
1029 list_del_init(&chain_req
->tracker_list
);
1030 list_add_tail(&chain_req
->tracker_list
,
1031 &ioc
->scsi_lookup
[smid
- 1].chain_list
);
1032 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1037 * _scsih_build_scatter_gather - main sg creation routine
1038 * @ioc: per adapter object
1039 * @scmd: scsi command
1040 * @smid: system request message index
1043 * The main routine that builds scatter gather table from a given
1044 * scsi request sent via the .queuecommand main handler.
1046 * Returns 0 success, anything else error
1049 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER
*ioc
,
1050 struct scsi_cmnd
*scmd
, u16 smid
)
1052 Mpi2SCSIIORequest_t
*mpi_request
;
1053 dma_addr_t chain_dma
;
1054 struct scatterlist
*sg_scmd
;
1055 void *sg_local
, *chain
;
1060 u32 sges_in_segment
;
1062 u32 sgl_flags_last_element
;
1063 u32 sgl_flags_end_buffer
;
1064 struct chain_tracker
*chain_req
;
1066 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
1068 /* init scatter gather flags */
1069 sgl_flags
= MPI2_SGE_FLAGS_SIMPLE_ELEMENT
;
1070 if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
1071 sgl_flags
|= MPI2_SGE_FLAGS_HOST_TO_IOC
;
1072 sgl_flags_last_element
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
)
1073 << MPI2_SGE_FLAGS_SHIFT
;
1074 sgl_flags_end_buffer
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
|
1075 MPI2_SGE_FLAGS_END_OF_BUFFER
| MPI2_SGE_FLAGS_END_OF_LIST
)
1076 << MPI2_SGE_FLAGS_SHIFT
;
1077 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
1079 sg_scmd
= scsi_sglist(scmd
);
1080 sges_left
= scsi_dma_map(scmd
);
1081 if (sges_left
< 0) {
1082 sdev_printk(KERN_ERR
, scmd
->device
, "pci_map_sg"
1083 " failed: request for %d bytes!\n", scsi_bufflen(scmd
));
1087 sg_local
= &mpi_request
->SGL
;
1088 sges_in_segment
= ioc
->max_sges_in_main_message
;
1089 if (sges_left
<= sges_in_segment
)
1090 goto fill_in_last_segment
;
1092 mpi_request
->ChainOffset
= (offsetof(Mpi2SCSIIORequest_t
, SGL
) +
1093 (sges_in_segment
* ioc
->sge_size
))/4;
1095 /* fill in main message segment when there is a chain following */
1096 while (sges_in_segment
) {
1097 if (sges_in_segment
== 1)
1098 ioc
->base_add_sg_single(sg_local
,
1099 sgl_flags_last_element
| sg_dma_len(sg_scmd
),
1100 sg_dma_address(sg_scmd
));
1102 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1103 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1104 sg_scmd
= sg_next(sg_scmd
);
1105 sg_local
+= ioc
->sge_size
;
1110 /* initializing the chain flags and pointers */
1111 chain_flags
= MPI2_SGE_FLAGS_CHAIN_ELEMENT
<< MPI2_SGE_FLAGS_SHIFT
;
1112 chain_req
= _scsih_get_chain_buffer_tracker(ioc
, smid
);
1115 chain
= chain_req
->chain_buffer
;
1116 chain_dma
= chain_req
->chain_buffer_dma
;
1118 sges_in_segment
= (sges_left
<=
1119 ioc
->max_sges_in_chain_message
) ? sges_left
:
1120 ioc
->max_sges_in_chain_message
;
1121 chain_offset
= (sges_left
== sges_in_segment
) ?
1122 0 : (sges_in_segment
* ioc
->sge_size
)/4;
1123 chain_length
= sges_in_segment
* ioc
->sge_size
;
1125 chain_offset
= chain_offset
<<
1126 MPI2_SGE_CHAIN_OFFSET_SHIFT
;
1127 chain_length
+= ioc
->sge_size
;
1129 ioc
->base_add_sg_single(sg_local
, chain_flags
| chain_offset
|
1130 chain_length
, chain_dma
);
1133 goto fill_in_last_segment
;
1135 /* fill in chain segments */
1136 while (sges_in_segment
) {
1137 if (sges_in_segment
== 1)
1138 ioc
->base_add_sg_single(sg_local
,
1139 sgl_flags_last_element
|
1140 sg_dma_len(sg_scmd
),
1141 sg_dma_address(sg_scmd
));
1143 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1144 sg_dma_len(sg_scmd
),
1145 sg_dma_address(sg_scmd
));
1146 sg_scmd
= sg_next(sg_scmd
);
1147 sg_local
+= ioc
->sge_size
;
1152 chain_req
= _scsih_get_chain_buffer_tracker(ioc
, smid
);
1155 chain
= chain_req
->chain_buffer
;
1156 chain_dma
= chain_req
->chain_buffer_dma
;
1160 fill_in_last_segment
:
1162 /* fill the last segment */
1165 ioc
->base_add_sg_single(sg_local
, sgl_flags_end_buffer
|
1166 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1168 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1169 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1170 sg_scmd
= sg_next(sg_scmd
);
1171 sg_local
+= ioc
->sge_size
;
1179 * _scsih_adjust_queue_depth - setting device queue depth
1180 * @sdev: scsi device struct
1181 * @qdepth: requested queue depth
1187 _scsih_adjust_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1189 struct Scsi_Host
*shost
= sdev
->host
;
1191 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1192 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1193 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1194 struct _sas_device
*sas_device
;
1195 unsigned long flags
;
1197 max_depth
= shost
->can_queue
;
1199 /* limit max device queue for SATA to 32 */
1200 sas_device_priv_data
= sdev
->hostdata
;
1201 if (!sas_device_priv_data
)
1203 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1204 if (!sas_target_priv_data
)
1206 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))
1208 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1209 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1210 sas_device_priv_data
->sas_target
->sas_address
);
1211 if (sas_device
&& sas_device
->device_info
&
1212 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1213 max_depth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1214 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1218 if (!sdev
->tagged_supported
)
1220 if (qdepth
> max_depth
)
1222 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1226 * _scsih_change_queue_depth - setting device queue depth
1227 * @sdev: scsi device struct
1228 * @qdepth: requested queue depth
1229 * @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP
1230 * (see include/scsi/scsi_host.h for definition)
1232 * Returns queue depth.
1235 _scsih_change_queue_depth(struct scsi_device
*sdev
, int qdepth
, int reason
)
1237 if (reason
== SCSI_QDEPTH_DEFAULT
|| reason
== SCSI_QDEPTH_RAMP_UP
)
1238 _scsih_adjust_queue_depth(sdev
, qdepth
);
1239 else if (reason
== SCSI_QDEPTH_QFULL
)
1240 scsi_track_queue_full(sdev
, qdepth
);
1244 if (sdev
->inquiry_len
> 7)
1245 sdev_printk(KERN_INFO
, sdev
, "qdepth(%d), tagged(%d), "
1246 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1247 sdev
->queue_depth
, sdev
->tagged_supported
, sdev
->simple_tags
,
1248 sdev
->ordered_tags
, sdev
->scsi_level
,
1249 (sdev
->inquiry
[7] & 2) >> 1);
1251 return sdev
->queue_depth
;
1255 * _scsih_change_queue_type - changing device queue tag type
1256 * @sdev: scsi device struct
1257 * @tag_type: requested tag type
1259 * Returns queue tag type.
1262 _scsih_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1264 if (sdev
->tagged_supported
) {
1265 scsi_set_tag_type(sdev
, tag_type
);
1267 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1269 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1277 * _scsih_target_alloc - target add routine
1278 * @starget: scsi target struct
1280 * Returns 0 if ok. Any other return is assumed to be an error and
1281 * the device is ignored.
1284 _scsih_target_alloc(struct scsi_target
*starget
)
1286 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1287 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1288 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1289 struct _sas_device
*sas_device
;
1290 struct _raid_device
*raid_device
;
1291 unsigned long flags
;
1292 struct sas_rphy
*rphy
;
1294 sas_target_priv_data
= kzalloc(sizeof(struct scsi_target
), GFP_KERNEL
);
1295 if (!sas_target_priv_data
)
1298 starget
->hostdata
= sas_target_priv_data
;
1299 sas_target_priv_data
->starget
= starget
;
1300 sas_target_priv_data
->handle
= MPT2SAS_INVALID_DEVICE_HANDLE
;
1303 if (starget
->channel
== RAID_CHANNEL
) {
1304 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1305 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1308 sas_target_priv_data
->handle
= raid_device
->handle
;
1309 sas_target_priv_data
->sas_address
= raid_device
->wwid
;
1310 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_VOLUME
;
1311 if (ioc
->is_warpdrive
)
1312 sas_target_priv_data
->raid_device
= raid_device
;
1313 raid_device
->starget
= starget
;
1315 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1319 /* sas/sata devices */
1320 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1321 rphy
= dev_to_rphy(starget
->dev
.parent
);
1322 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1323 rphy
->identify
.sas_address
);
1326 sas_target_priv_data
->handle
= sas_device
->handle
;
1327 sas_target_priv_data
->sas_address
= sas_device
->sas_address
;
1328 sas_device
->starget
= starget
;
1329 sas_device
->id
= starget
->id
;
1330 sas_device
->channel
= starget
->channel
;
1331 if (test_bit(sas_device
->handle
, ioc
->pd_handles
))
1332 sas_target_priv_data
->flags
|=
1333 MPT_TARGET_FLAGS_RAID_COMPONENT
;
1335 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1341 * _scsih_target_destroy - target destroy routine
1342 * @starget: scsi target struct
1347 _scsih_target_destroy(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
= starget
->hostdata
;
1358 if (!sas_target_priv_data
)
1361 if (starget
->channel
== RAID_CHANNEL
) {
1362 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1363 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1366 raid_device
->starget
= NULL
;
1367 raid_device
->sdev
= NULL
;
1369 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1373 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1374 rphy
= dev_to_rphy(starget
->dev
.parent
);
1375 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1376 rphy
->identify
.sas_address
);
1377 if (sas_device
&& (sas_device
->starget
== starget
) &&
1378 (sas_device
->id
== starget
->id
) &&
1379 (sas_device
->channel
== starget
->channel
))
1380 sas_device
->starget
= NULL
;
1382 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1385 kfree(sas_target_priv_data
);
1386 starget
->hostdata
= NULL
;
1390 * _scsih_slave_alloc - device add routine
1391 * @sdev: scsi device struct
1393 * Returns 0 if ok. Any other return is assumed to be an error and
1394 * the device is ignored.
1397 _scsih_slave_alloc(struct scsi_device
*sdev
)
1399 struct Scsi_Host
*shost
;
1400 struct MPT2SAS_ADAPTER
*ioc
;
1401 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1402 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1403 struct scsi_target
*starget
;
1404 struct _raid_device
*raid_device
;
1405 unsigned long flags
;
1407 sas_device_priv_data
= kzalloc(sizeof(struct scsi_device
), GFP_KERNEL
);
1408 if (!sas_device_priv_data
)
1411 sas_device_priv_data
->lun
= sdev
->lun
;
1412 sas_device_priv_data
->flags
= MPT_DEVICE_FLAGS_INIT
;
1414 starget
= scsi_target(sdev
);
1415 sas_target_priv_data
= starget
->hostdata
;
1416 sas_target_priv_data
->num_luns
++;
1417 sas_device_priv_data
->sas_target
= sas_target_priv_data
;
1418 sdev
->hostdata
= sas_device_priv_data
;
1419 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
))
1420 sdev
->no_uld_attach
= 1;
1422 shost
= dev_to_shost(&starget
->dev
);
1423 ioc
= shost_priv(shost
);
1424 if (starget
->channel
== RAID_CHANNEL
) {
1425 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1426 raid_device
= _scsih_raid_device_find_by_id(ioc
,
1427 starget
->id
, starget
->channel
);
1429 raid_device
->sdev
= sdev
; /* raid is single lun */
1430 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1437 * _scsih_slave_destroy - device destroy routine
1438 * @sdev: scsi device struct
1443 _scsih_slave_destroy(struct scsi_device
*sdev
)
1445 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1446 struct scsi_target
*starget
;
1447 struct Scsi_Host
*shost
;
1448 struct MPT2SAS_ADAPTER
*ioc
;
1449 struct _sas_device
*sas_device
;
1450 unsigned long flags
;
1452 if (!sdev
->hostdata
)
1455 starget
= scsi_target(sdev
);
1456 sas_target_priv_data
= starget
->hostdata
;
1457 sas_target_priv_data
->num_luns
--;
1459 shost
= dev_to_shost(&starget
->dev
);
1460 ioc
= shost_priv(shost
);
1462 if (!(sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
)) {
1463 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1464 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1465 sas_target_priv_data
->sas_address
);
1466 if (sas_device
&& !sas_target_priv_data
->num_luns
)
1467 sas_device
->starget
= NULL
;
1468 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1471 kfree(sdev
->hostdata
);
1472 sdev
->hostdata
= NULL
;
1476 * _scsih_display_sata_capabilities - sata capabilities
1477 * @ioc: per adapter object
1478 * @handle: device handle
1479 * @sdev: scsi device struct
1482 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1483 u16 handle
, struct scsi_device
*sdev
)
1485 Mpi2ConfigReply_t mpi_reply
;
1486 Mpi2SasDevicePage0_t sas_device_pg0
;
1491 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
1492 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
1493 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1494 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1498 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1499 MPI2_IOCSTATUS_MASK
;
1500 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1501 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1502 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1506 flags
= le16_to_cpu(sas_device_pg0
.Flags
);
1507 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1509 sdev_printk(KERN_INFO
, sdev
,
1510 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1511 "sw_preserve(%s)\n",
1512 (device_info
& MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE
) ? "y" : "n",
1513 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED
) ? "y" : "n",
1514 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY
) ? "y" :
1516 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED
) ? "y" : "n",
1517 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED
) ? "y" : "n",
1518 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE
) ? "y" : "n");
1522 * _scsih_is_raid - return boolean indicating device is raid volume
1523 * @dev the device struct object
1526 _scsih_is_raid(struct device
*dev
)
1528 struct scsi_device
*sdev
= to_scsi_device(dev
);
1529 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1531 if (ioc
->is_warpdrive
)
1533 return (sdev
->channel
== RAID_CHANNEL
) ? 1 : 0;
1537 * _scsih_get_resync - get raid volume resync percent complete
1538 * @dev the device struct object
1541 _scsih_get_resync(struct device
*dev
)
1543 struct scsi_device
*sdev
= to_scsi_device(dev
);
1544 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1545 static struct _raid_device
*raid_device
;
1546 unsigned long flags
;
1547 Mpi2RaidVolPage0_t vol_pg0
;
1548 Mpi2ConfigReply_t mpi_reply
;
1549 u32 volume_status_flags
;
1550 u8 percent_complete
;
1553 percent_complete
= 0;
1555 if (ioc
->is_warpdrive
)
1558 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1559 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1562 handle
= raid_device
->handle
;
1563 percent_complete
= raid_device
->percent_complete
;
1565 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1570 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1571 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1572 sizeof(Mpi2RaidVolPage0_t
))) {
1573 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1574 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1575 percent_complete
= 0;
1579 volume_status_flags
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1580 if (!(volume_status_flags
&
1581 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
))
1582 percent_complete
= 0;
1585 raid_set_resync(mpt2sas_raid_template
, dev
, percent_complete
);
1589 * _scsih_get_state - get raid volume level
1590 * @dev the device struct object
1593 _scsih_get_state(struct device
*dev
)
1595 struct scsi_device
*sdev
= to_scsi_device(dev
);
1596 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1597 static struct _raid_device
*raid_device
;
1598 unsigned long flags
;
1599 Mpi2RaidVolPage0_t vol_pg0
;
1600 Mpi2ConfigReply_t mpi_reply
;
1602 enum raid_state state
= RAID_STATE_UNKNOWN
;
1605 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1606 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1609 handle
= raid_device
->handle
;
1610 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1615 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1616 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1617 sizeof(Mpi2RaidVolPage0_t
))) {
1618 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1619 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1623 volstate
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1624 if (volstate
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
) {
1625 state
= RAID_STATE_RESYNCING
;
1629 switch (vol_pg0
.VolumeState
) {
1630 case MPI2_RAID_VOL_STATE_OPTIMAL
:
1631 case MPI2_RAID_VOL_STATE_ONLINE
:
1632 state
= RAID_STATE_ACTIVE
;
1634 case MPI2_RAID_VOL_STATE_DEGRADED
:
1635 state
= RAID_STATE_DEGRADED
;
1637 case MPI2_RAID_VOL_STATE_FAILED
:
1638 case MPI2_RAID_VOL_STATE_MISSING
:
1639 state
= RAID_STATE_OFFLINE
;
1643 raid_set_state(mpt2sas_raid_template
, dev
, state
);
1647 * _scsih_set_level - set raid level
1648 * @sdev: scsi device struct
1649 * @volume_type: volume type
1652 _scsih_set_level(struct scsi_device
*sdev
, u8 volume_type
)
1654 enum raid_level level
= RAID_LEVEL_UNKNOWN
;
1656 switch (volume_type
) {
1657 case MPI2_RAID_VOL_TYPE_RAID0
:
1658 level
= RAID_LEVEL_0
;
1660 case MPI2_RAID_VOL_TYPE_RAID10
:
1661 level
= RAID_LEVEL_10
;
1663 case MPI2_RAID_VOL_TYPE_RAID1E
:
1664 level
= RAID_LEVEL_1E
;
1666 case MPI2_RAID_VOL_TYPE_RAID1
:
1667 level
= RAID_LEVEL_1
;
1671 raid_set_level(mpt2sas_raid_template
, &sdev
->sdev_gendev
, level
);
1675 * _scsih_get_volume_capabilities - volume capabilities
1676 * @ioc: per adapter object
1677 * @sas_device: the raid_device object
1679 * Returns 0 for success, else 1
1682 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1683 struct _raid_device
*raid_device
)
1685 Mpi2RaidVolPage0_t
*vol_pg0
;
1686 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1687 Mpi2SasDevicePage0_t sas_device_pg0
;
1688 Mpi2ConfigReply_t mpi_reply
;
1692 if ((mpt2sas_config_get_number_pds(ioc
, raid_device
->handle
,
1693 &num_pds
)) || !num_pds
) {
1694 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1695 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1700 raid_device
->num_pds
= num_pds
;
1701 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1702 sizeof(Mpi2RaidVol0PhysDisk_t
));
1703 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1705 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1706 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1711 if ((mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1712 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1713 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1714 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1720 raid_device
->volume_type
= vol_pg0
->VolumeType
;
1722 /* figure out what the underlying devices are by
1723 * obtaining the device_info bits for the 1st device
1725 if (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1726 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1727 vol_pg0
->PhysDisk
[0].PhysDiskNum
))) {
1728 if (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
1729 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
1730 le16_to_cpu(pd_pg0
.DevHandle
)))) {
1731 raid_device
->device_info
=
1732 le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1740 * _scsih_disable_ddio - Disable direct I/O for all the volumes
1741 * @ioc: per adapter object
1744 _scsih_disable_ddio(struct MPT2SAS_ADAPTER
*ioc
)
1746 Mpi2RaidVolPage1_t vol_pg1
;
1747 Mpi2ConfigReply_t mpi_reply
;
1748 struct _raid_device
*raid_device
;
1751 unsigned long flags
;
1754 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
1755 &vol_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
1756 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1757 MPI2_IOCSTATUS_MASK
;
1758 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
1760 handle
= le16_to_cpu(vol_pg1
.DevHandle
);
1761 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1762 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
1764 raid_device
->direct_io_enabled
= 0;
1765 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1772 * _scsih_get_num_volumes - Get number of volumes in the ioc
1773 * @ioc: per adapter object
1776 _scsih_get_num_volumes(struct MPT2SAS_ADAPTER
*ioc
)
1778 Mpi2RaidVolPage1_t vol_pg1
;
1779 Mpi2ConfigReply_t mpi_reply
;
1785 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
1786 &vol_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
1787 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1788 MPI2_IOCSTATUS_MASK
;
1789 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
1792 handle
= le16_to_cpu(vol_pg1
.DevHandle
);
1799 * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O.
1800 * @ioc: per adapter object
1801 * @raid_device: the raid_device object
1804 _scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER
*ioc
,
1805 struct _raid_device
*raid_device
)
1807 Mpi2RaidVolPage0_t
*vol_pg0
;
1808 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1809 Mpi2ConfigReply_t mpi_reply
;
1812 unsigned long stripe_sz
, block_sz
;
1813 u8 stripe_exp
, block_exp
;
1816 if (!ioc
->is_warpdrive
)
1819 if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_EXPOSE_ALL_DISKS
) {
1820 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1821 "globally as drives are exposed\n", ioc
->name
);
1824 if (_scsih_get_num_volumes(ioc
) > 1) {
1825 _scsih_disable_ddio(ioc
);
1826 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1827 "globally as number of drives > 1\n", ioc
->name
);
1830 if ((mpt2sas_config_get_number_pds(ioc
, raid_device
->handle
,
1831 &num_pds
)) || !num_pds
) {
1832 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1833 "Failure in computing number of drives\n", ioc
->name
);
1837 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1838 sizeof(Mpi2RaidVol0PhysDisk_t
));
1839 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1841 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1842 "Memory allocation failure for RVPG0\n", ioc
->name
);
1846 if ((mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1847 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1848 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1849 "Failure in retrieving RVPG0\n", ioc
->name
);
1855 * WARPDRIVE:If number of physical disks in a volume exceeds the max pds
1856 * assumed for WARPDRIVE, disable direct I/O
1858 if (num_pds
> MPT_MAX_WARPDRIVE_PDS
) {
1859 printk(MPT2SAS_WARN_FMT
"WarpDrive : Direct IO is disabled "
1860 "for the drive with handle(0x%04x): num_mem=%d, "
1861 "max_mem_allowed=%d\n", ioc
->name
, raid_device
->handle
,
1862 num_pds
, MPT_MAX_WARPDRIVE_PDS
);
1866 for (count
= 0; count
< num_pds
; count
++) {
1867 if (mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1868 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1869 vol_pg0
->PhysDisk
[count
].PhysDiskNum
) ||
1870 le16_to_cpu(pd_pg0
.DevHandle
) ==
1871 MPT2SAS_INVALID_DEVICE_HANDLE
) {
1872 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is "
1873 "disabled for the drive with handle(0x%04x) member"
1874 "handle retrieval failed for member number=%d\n",
1875 ioc
->name
, raid_device
->handle
,
1876 vol_pg0
->PhysDisk
[count
].PhysDiskNum
);
1879 /* Disable direct I/O if member drive lba exceeds 4 bytes */
1880 dev_max_lba
= le64_to_cpu(pd_pg0
.DeviceMaxLBA
);
1881 if (dev_max_lba
>> 32) {
1882 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is "
1883 "disabled for the drive with handle(0x%04x) member"
1884 "handle (0x%04x) unsupported max lba 0x%016llx\n",
1885 ioc
->name
, raid_device
->handle
,
1886 le16_to_cpu(pd_pg0
.DevHandle
),
1887 (unsigned long long)dev_max_lba
);
1891 raid_device
->pd_handle
[count
] = le16_to_cpu(pd_pg0
.DevHandle
);
1895 * Assumption for WD: Direct I/O is not supported if the volume is
1898 if (raid_device
->volume_type
!= MPI2_RAID_VOL_TYPE_RAID0
) {
1899 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1900 "for the drive with handle(0x%04x): type=%d, "
1901 "s_sz=%uK, blk_size=%u\n", ioc
->name
,
1902 raid_device
->handle
, raid_device
->volume_type
,
1903 (le32_to_cpu(vol_pg0
->StripeSize
) *
1904 le16_to_cpu(vol_pg0
->BlockSize
)) / 1024,
1905 le16_to_cpu(vol_pg0
->BlockSize
));
1909 stripe_sz
= le32_to_cpu(vol_pg0
->StripeSize
);
1910 stripe_exp
= find_first_bit(&stripe_sz
, 32);
1911 if (stripe_exp
== 32) {
1912 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1913 "for the drive with handle(0x%04x) invalid stripe sz %uK\n",
1914 ioc
->name
, raid_device
->handle
,
1915 (le32_to_cpu(vol_pg0
->StripeSize
) *
1916 le16_to_cpu(vol_pg0
->BlockSize
)) / 1024);
1919 raid_device
->stripe_exponent
= stripe_exp
;
1920 block_sz
= le16_to_cpu(vol_pg0
->BlockSize
);
1921 block_exp
= find_first_bit(&block_sz
, 16);
1922 if (block_exp
== 16) {
1923 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1924 "for the drive with handle(0x%04x) invalid block sz %u\n",
1925 ioc
->name
, raid_device
->handle
,
1926 le16_to_cpu(vol_pg0
->BlockSize
));
1929 raid_device
->block_exponent
= block_exp
;
1930 raid_device
->direct_io_enabled
= 1;
1932 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is Enabled for the drive"
1933 " with handle(0x%04x)\n", ioc
->name
, raid_device
->handle
);
1935 * WARPDRIVE: Though the following fields are not used for direct IO,
1936 * stored for future purpose:
1938 raid_device
->max_lba
= le64_to_cpu(vol_pg0
->MaxLBA
);
1939 raid_device
->stripe_sz
= le32_to_cpu(vol_pg0
->StripeSize
);
1940 raid_device
->block_sz
= le16_to_cpu(vol_pg0
->BlockSize
);
1947 raid_device
->direct_io_enabled
= 0;
1948 for (count
= 0; count
< num_pds
; count
++)
1949 raid_device
->pd_handle
[count
] = 0;
1955 * _scsih_enable_tlr - setting TLR flags
1956 * @ioc: per adapter object
1957 * @sdev: scsi device struct
1959 * Enabling Transaction Layer Retries for tape devices when
1960 * vpd page 0x90 is present
1964 _scsih_enable_tlr(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_device
*sdev
)
1967 if (sdev
->type
!= TYPE_TAPE
)
1970 if (!(ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_TLR
))
1973 sas_enable_tlr(sdev
);
1974 sdev_printk(KERN_INFO
, sdev
, "TLR %s\n",
1975 sas_is_tlr_enabled(sdev
) ? "Enabled" : "Disabled");
1981 * _scsih_slave_configure - device configure routine.
1982 * @sdev: scsi device struct
1984 * Returns 0 if ok. Any other return is assumed to be an error and
1985 * the device is ignored.
1988 _scsih_slave_configure(struct scsi_device
*sdev
)
1990 struct Scsi_Host
*shost
= sdev
->host
;
1991 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1992 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1993 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1994 struct _sas_device
*sas_device
;
1995 struct _raid_device
*raid_device
;
1996 unsigned long flags
;
2001 u16 handle
, volume_handle
= 0;
2002 u64 volume_wwid
= 0;
2005 sas_device_priv_data
= sdev
->hostdata
;
2006 sas_device_priv_data
->configured_lun
= 1;
2007 sas_device_priv_data
->flags
&= ~MPT_DEVICE_FLAGS_INIT
;
2008 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
2009 handle
= sas_target_priv_data
->handle
;
2011 /* raid volume handling */
2012 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2014 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
2015 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
2016 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
2018 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2019 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2020 __LINE__
, __func__
));
2024 if (_scsih_get_volume_capabilities(ioc
, raid_device
)) {
2025 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2026 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2027 __LINE__
, __func__
));
2031 * WARPDRIVE: Initialize the required data for Direct IO
2033 _scsih_init_warpdrive_properties(ioc
, raid_device
);
2035 /* RAID Queue Depth Support
2036 * IS volume = underlying qdepth of drive type, either
2037 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
2038 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
2040 if (raid_device
->device_info
&
2041 MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
2042 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
2045 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
2046 if (raid_device
->device_info
&
2047 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
2053 switch (raid_device
->volume_type
) {
2054 case MPI2_RAID_VOL_TYPE_RAID0
:
2057 case MPI2_RAID_VOL_TYPE_RAID1E
:
2058 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2059 if (ioc
->manu_pg10
.OEMIdentifier
&&
2060 (le32_to_cpu(ioc
->manu_pg10
.GenericFlags0
) &
2061 MFG10_GF0_R10_DISPLAY
) &&
2062 !(raid_device
->num_pds
% 2))
2067 case MPI2_RAID_VOL_TYPE_RAID1
:
2068 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2071 case MPI2_RAID_VOL_TYPE_RAID10
:
2072 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2075 case MPI2_RAID_VOL_TYPE_UNKNOWN
:
2077 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2082 if (!ioc
->hide_ir_msg
)
2083 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), "
2084 "wwid(0x%016llx), pd_count(%d), type(%s)\n",
2085 r_level
, raid_device
->handle
,
2086 (unsigned long long)raid_device
->wwid
,
2087 raid_device
->num_pds
, ds
);
2088 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
2089 /* raid transport support */
2090 if (!ioc
->is_warpdrive
)
2091 _scsih_set_level(sdev
, raid_device
->volume_type
);
2095 /* non-raid handling */
2096 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2097 if (mpt2sas_config_get_volume_handle(ioc
, handle
,
2099 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2100 "failure at %s:%d/%s()!\n", ioc
->name
,
2101 __FILE__
, __LINE__
, __func__
));
2104 if (volume_handle
&& mpt2sas_config_get_volume_wwid(ioc
,
2105 volume_handle
, &volume_wwid
)) {
2106 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2107 "failure at %s:%d/%s()!\n", ioc
->name
,
2108 __FILE__
, __LINE__
, __func__
));
2113 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2114 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
2115 sas_device_priv_data
->sas_target
->sas_address
);
2117 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2118 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2119 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2120 __LINE__
, __func__
));
2123 sas_device
->volume_handle
= volume_handle
;
2124 sas_device
->volume_wwid
= volume_wwid
;
2125 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
2126 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
2130 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
2131 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
)
2133 else if (sas_device
->device_info
&
2134 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
2137 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), "
2138 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
2139 ds
, sas_device
->handle
,
2140 (unsigned long long)sas_device
->sas_address
,
2142 (unsigned long long)sas_device
->device_name
);
2143 sdev_printk(KERN_INFO
, sdev
, "%s: "
2144 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds
,
2145 (unsigned long long) sas_device
->enclosure_logical_id
,
2148 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2150 _scsih_display_sata_capabilities(ioc
, handle
, sdev
);
2153 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
2156 sas_read_port_mode_page(sdev
);
2157 _scsih_enable_tlr(ioc
, sdev
);
2163 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
2164 * @sdev: scsi device struct
2165 * @bdev: pointer to block device context
2166 * @capacity: device size (in 512 byte sectors)
2167 * @params: three element array to place output:
2168 * params[0] number of heads (max 255)
2169 * params[1] number of sectors (max 63)
2170 * params[2] number of cylinders
2175 _scsih_bios_param(struct scsi_device
*sdev
, struct block_device
*bdev
,
2176 sector_t capacity
, int params
[])
2186 dummy
= heads
* sectors
;
2187 cylinders
= capacity
;
2188 sector_div(cylinders
, dummy
);
2191 * Handle extended translation size for logical drives
2194 if ((ulong
)capacity
>= 0x200000) {
2197 dummy
= heads
* sectors
;
2198 cylinders
= capacity
;
2199 sector_div(cylinders
, dummy
);
2204 params
[1] = sectors
;
2205 params
[2] = cylinders
;
2211 * _scsih_response_code - translation of device response code
2212 * @ioc: per adapter object
2213 * @response_code: response code returned by the device
2218 _scsih_response_code(struct MPT2SAS_ADAPTER
*ioc
, u8 response_code
)
2222 switch (response_code
) {
2223 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE
:
2224 desc
= "task management request completed";
2226 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
:
2227 desc
= "invalid frame";
2229 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED
:
2230 desc
= "task management request not supported";
2232 case MPI2_SCSITASKMGMT_RSP_TM_FAILED
:
2233 desc
= "task management request failed";
2235 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
:
2236 desc
= "task management request succeeded";
2238 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN
:
2239 desc
= "invalid lun";
2242 desc
= "overlapped tag attempted";
2244 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
:
2245 desc
= "task queued, however not sent to target";
2251 printk(MPT2SAS_WARN_FMT
"response_code(0x%01x): %s\n",
2252 ioc
->name
, response_code
, desc
);
2256 * _scsih_tm_done - tm completion routine
2257 * @ioc: per adapter object
2258 * @smid: system request message index
2259 * @msix_index: MSIX table index supplied by the OS
2260 * @reply: reply message frame(lower 32bit addr)
2263 * The callback handler when using scsih_issue_tm.
2265 * Return 1 meaning mf should be freed from _base_interrupt
2266 * 0 means the mf is freed from this function.
2269 _scsih_tm_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
2271 MPI2DefaultReply_t
*mpi_reply
;
2273 if (ioc
->tm_cmds
.status
== MPT2_CMD_NOT_USED
)
2275 if (ioc
->tm_cmds
.smid
!= smid
)
2277 mpt2sas_base_flush_reply_queues(ioc
);
2278 ioc
->tm_cmds
.status
|= MPT2_CMD_COMPLETE
;
2279 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
2281 memcpy(ioc
->tm_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
2282 ioc
->tm_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
2284 ioc
->tm_cmds
.status
&= ~MPT2_CMD_PENDING
;
2285 complete(&ioc
->tm_cmds
.done
);
2290 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
2291 * @ioc: per adapter object
2292 * @handle: device handle
2294 * During taskmangement request, we need to freeze the device queue.
2297 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2299 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2300 struct scsi_device
*sdev
;
2303 shost_for_each_device(sdev
, ioc
->shost
) {
2306 sas_device_priv_data
= sdev
->hostdata
;
2307 if (!sas_device_priv_data
)
2309 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2310 sas_device_priv_data
->sas_target
->tm_busy
= 1;
2312 ioc
->ignore_loginfos
= 1;
2318 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
2319 * @ioc: per adapter object
2320 * @handle: device handle
2322 * During taskmangement request, we need to freeze the device queue.
2325 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2327 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2328 struct scsi_device
*sdev
;
2331 shost_for_each_device(sdev
, ioc
->shost
) {
2334 sas_device_priv_data
= sdev
->hostdata
;
2335 if (!sas_device_priv_data
)
2337 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2338 sas_device_priv_data
->sas_target
->tm_busy
= 0;
2340 ioc
->ignore_loginfos
= 0;
2347 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
2348 * @ioc: per adapter struct
2349 * @device_handle: device handle
2350 * @channel: the channel assigned by the OS
2351 * @id: the id assigned by the OS
2353 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2354 * @smid_task: smid assigned to the task
2355 * @timeout: timeout in seconds
2356 * @serial_number: the serial_number from scmd
2357 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2360 * A generic API for sending task management requests to firmware.
2362 * The callback index is set inside `ioc->tm_cb_idx`.
2364 * Return SUCCESS or FAILED.
2367 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, uint channel
,
2368 uint id
, uint lun
, u8 type
, u16 smid_task
, ulong timeout
,
2369 unsigned long serial_number
, enum mutex_type m_type
)
2371 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2372 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
2375 unsigned long timeleft
;
2376 struct scsiio_tracker
*scsi_lookup
= NULL
;
2379 if (m_type
== TM_MUTEX_ON
)
2380 mutex_lock(&ioc
->tm_cmds
.mutex
);
2381 if (ioc
->tm_cmds
.status
!= MPT2_CMD_NOT_USED
) {
2382 printk(MPT2SAS_INFO_FMT
"%s: tm_cmd busy!!!\n",
2383 __func__
, ioc
->name
);
2388 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2389 ioc
->pci_error_recovery
) {
2390 printk(MPT2SAS_INFO_FMT
"%s: host reset in progress!\n",
2391 __func__
, ioc
->name
);
2396 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 0);
2397 if (ioc_state
& MPI2_DOORBELL_USED
) {
2398 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"unexpected doorbell "
2399 "active!\n", ioc
->name
));
2400 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2402 rc
= (!rc
) ? SUCCESS
: FAILED
;
2406 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
2407 mpt2sas_base_fault_info(ioc
, ioc_state
&
2408 MPI2_DOORBELL_DATA_MASK
);
2409 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2411 rc
= (!rc
) ? SUCCESS
: FAILED
;
2415 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_cb_idx
);
2417 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2418 ioc
->name
, __func__
);
2423 if (type
== MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
)
2424 scsi_lookup
= &ioc
->scsi_lookup
[smid_task
- 1];
2426 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sending tm: handle(0x%04x),"
2427 " task_type(0x%02x), smid(%d)\n", ioc
->name
, handle
, type
,
2429 ioc
->tm_cmds
.status
= MPT2_CMD_PENDING
;
2430 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2431 ioc
->tm_cmds
.smid
= smid
;
2432 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2433 memset(ioc
->tm_cmds
.reply
, 0, sizeof(Mpi2SCSITaskManagementReply_t
));
2434 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2435 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2436 mpi_request
->TaskType
= type
;
2437 mpi_request
->TaskMID
= cpu_to_le16(smid_task
);
2438 int_to_scsilun(lun
, (struct scsi_lun
*)mpi_request
->LUN
);
2439 mpt2sas_scsih_set_tm_flag(ioc
, handle
);
2440 init_completion(&ioc
->tm_cmds
.done
);
2441 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
2442 timeleft
= wait_for_completion_timeout(&ioc
->tm_cmds
.done
, timeout
*HZ
);
2443 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_COMPLETE
)) {
2444 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
2445 ioc
->name
, __func__
);
2446 _debug_dump_mf(mpi_request
,
2447 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2448 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_RESET
)) {
2449 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2451 rc
= (!rc
) ? SUCCESS
: FAILED
;
2452 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2453 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2458 if (ioc
->tm_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
2459 mpi_reply
= ioc
->tm_cmds
.reply
;
2460 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"complete tm: "
2461 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2462 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
2463 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2464 le32_to_cpu(mpi_reply
->TerminationCount
)));
2465 if (ioc
->logging_level
& MPT_DEBUG_TM
) {
2466 _scsih_response_code(ioc
, mpi_reply
->ResponseCode
);
2467 if (mpi_reply
->IOCStatus
)
2468 _debug_dump_mf(mpi_request
,
2469 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2474 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
:
2476 if (scsi_lookup
->scmd
== NULL
)
2481 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
:
2482 if (_scsih_scsi_lookup_find_by_target(ioc
, id
, channel
))
2488 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET
:
2489 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
:
2490 if (_scsih_scsi_lookup_find_by_lun(ioc
, id
, lun
, channel
))
2495 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
:
2503 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2504 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2505 if (m_type
== TM_MUTEX_ON
)
2506 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2511 if (m_type
== TM_MUTEX_ON
)
2512 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2517 * _scsih_tm_display_info - displays info about the device
2518 * @ioc: per adapter struct
2519 * @scmd: pointer to scsi command object
2521 * Called by task management callback handlers.
2524 _scsih_tm_display_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
)
2526 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2527 struct MPT2SAS_TARGET
*priv_target
= starget
->hostdata
;
2528 struct _sas_device
*sas_device
= NULL
;
2529 unsigned long flags
;
2530 char *device_str
= NULL
;
2534 if (ioc
->hide_ir_msg
)
2535 device_str
= "WarpDrive";
2537 device_str
= "volume";
2539 scsi_print_command(scmd
);
2540 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2541 starget_printk(KERN_INFO
, starget
, "%s handle(0x%04x), "
2542 "%s wwid(0x%016llx)\n", device_str
, priv_target
->handle
,
2543 device_str
, (unsigned long long)priv_target
->sas_address
);
2545 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2546 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
2547 priv_target
->sas_address
);
2549 if (priv_target
->flags
&
2550 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2551 starget_printk(KERN_INFO
, starget
,
2552 "volume handle(0x%04x), "
2553 "volume wwid(0x%016llx)\n",
2554 sas_device
->volume_handle
,
2555 (unsigned long long)sas_device
->volume_wwid
);
2557 starget_printk(KERN_INFO
, starget
,
2558 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2560 (unsigned long long)sas_device
->sas_address
,
2562 starget_printk(KERN_INFO
, starget
,
2563 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2564 (unsigned long long)sas_device
->enclosure_logical_id
,
2567 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2572 * _scsih_abort - eh threads main abort routine
2573 * @scmd: pointer to scsi command object
2575 * Returns SUCCESS if command aborted else FAILED
2578 _scsih_abort(struct scsi_cmnd
*scmd
)
2580 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2581 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2586 sdev_printk(KERN_INFO
, scmd
->device
, "attempting task abort! "
2587 "scmd(%p)\n", scmd
);
2588 _scsih_tm_display_info(ioc
, scmd
);
2590 sas_device_priv_data
= scmd
->device
->hostdata
;
2591 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2592 sdev_printk(KERN_INFO
, scmd
->device
, "device been deleted! "
2593 "scmd(%p)\n", scmd
);
2594 scmd
->result
= DID_NO_CONNECT
<< 16;
2595 scmd
->scsi_done(scmd
);
2600 /* search for the command */
2601 smid
= _scsih_scsi_lookup_find_by_scmd(ioc
, scmd
);
2603 scmd
->result
= DID_RESET
<< 16;
2608 /* for hidden raid components and volumes this is not supported */
2609 if (sas_device_priv_data
->sas_target
->flags
&
2610 MPT_TARGET_FLAGS_RAID_COMPONENT
||
2611 sas_device_priv_data
->sas_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2612 scmd
->result
= DID_RESET
<< 16;
2617 mpt2sas_halt_firmware(ioc
);
2619 handle
= sas_device_priv_data
->sas_target
->handle
;
2620 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2621 scmd
->device
->id
, scmd
->device
->lun
,
2622 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30,
2623 scmd
->serial_number
, TM_MUTEX_ON
);
2626 sdev_printk(KERN_INFO
, scmd
->device
, "task abort: %s scmd(%p)\n",
2627 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2632 * _scsih_dev_reset - eh threads main device reset routine
2633 * @scmd: pointer to scsi command object
2635 * Returns SUCCESS if command aborted else FAILED
2638 _scsih_dev_reset(struct scsi_cmnd
*scmd
)
2640 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2641 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2642 struct _sas_device
*sas_device
;
2643 unsigned long flags
;
2647 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2649 starget_printk(KERN_INFO
, starget
, "attempting device reset! "
2650 "scmd(%p)\n", scmd
);
2651 _scsih_tm_display_info(ioc
, scmd
);
2653 sas_device_priv_data
= scmd
->device
->hostdata
;
2654 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2655 starget_printk(KERN_INFO
, starget
, "device been deleted! "
2656 "scmd(%p)\n", scmd
);
2657 scmd
->result
= DID_NO_CONNECT
<< 16;
2658 scmd
->scsi_done(scmd
);
2663 /* for hidden raid components obtain the volume_handle */
2665 if (sas_device_priv_data
->sas_target
->flags
&
2666 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2667 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2668 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2669 sas_device_priv_data
->sas_target
->handle
);
2671 handle
= sas_device
->volume_handle
;
2672 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2674 handle
= sas_device_priv_data
->sas_target
->handle
;
2677 scmd
->result
= DID_RESET
<< 16;
2682 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2683 scmd
->device
->id
, scmd
->device
->lun
,
2684 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
, 0, 30, 0,
2688 sdev_printk(KERN_INFO
, scmd
->device
, "device reset: %s scmd(%p)\n",
2689 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2694 * _scsih_target_reset - eh threads main target reset routine
2695 * @scmd: pointer to scsi command object
2697 * Returns SUCCESS if command aborted else FAILED
2700 _scsih_target_reset(struct scsi_cmnd
*scmd
)
2702 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2703 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2704 struct _sas_device
*sas_device
;
2705 unsigned long flags
;
2708 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2710 starget_printk(KERN_INFO
, starget
, "attempting target reset! "
2711 "scmd(%p)\n", scmd
);
2712 _scsih_tm_display_info(ioc
, scmd
);
2714 sas_device_priv_data
= scmd
->device
->hostdata
;
2715 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2716 starget_printk(KERN_INFO
, starget
, "target been deleted! "
2717 "scmd(%p)\n", scmd
);
2718 scmd
->result
= DID_NO_CONNECT
<< 16;
2719 scmd
->scsi_done(scmd
);
2724 /* for hidden raid components obtain the volume_handle */
2726 if (sas_device_priv_data
->sas_target
->flags
&
2727 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2728 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2729 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2730 sas_device_priv_data
->sas_target
->handle
);
2732 handle
= sas_device
->volume_handle
;
2733 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2735 handle
= sas_device_priv_data
->sas_target
->handle
;
2738 scmd
->result
= DID_RESET
<< 16;
2743 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2744 scmd
->device
->id
, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0,
2745 30, 0, TM_MUTEX_ON
);
2748 starget_printk(KERN_INFO
, starget
, "target reset: %s scmd(%p)\n",
2749 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2754 * _scsih_host_reset - eh threads main host reset routine
2755 * @scmd: pointer to scsi command object
2757 * Returns SUCCESS if command aborted else FAILED
2760 _scsih_host_reset(struct scsi_cmnd
*scmd
)
2762 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2765 printk(MPT2SAS_INFO_FMT
"attempting host reset! scmd(%p)\n",
2767 scsi_print_command(scmd
);
2769 retval
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2771 r
= (retval
< 0) ? FAILED
: SUCCESS
;
2772 printk(MPT2SAS_INFO_FMT
"host reset: %s scmd(%p)\n",
2773 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2779 * _scsih_fw_event_add - insert and queue up fw_event
2780 * @ioc: per adapter object
2781 * @fw_event: object describing the event
2782 * Context: This function will acquire ioc->fw_event_lock.
2784 * This adds the firmware event object into link list, then queues it up to
2785 * be processed from user context.
2790 _scsih_fw_event_add(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
2792 unsigned long flags
;
2794 if (ioc
->firmware_event_thread
== NULL
)
2797 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2798 list_add_tail(&fw_event
->list
, &ioc
->fw_event_list
);
2799 INIT_DELAYED_WORK(&fw_event
->delayed_work
, _firmware_event_work
);
2800 queue_delayed_work(ioc
->firmware_event_thread
,
2801 &fw_event
->delayed_work
, 0);
2802 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2806 * _scsih_fw_event_free - delete fw_event
2807 * @ioc: per adapter object
2808 * @fw_event: object describing the event
2809 * Context: This function will acquire ioc->fw_event_lock.
2811 * This removes firmware event object from link list, frees associated memory.
2816 _scsih_fw_event_free(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
2819 unsigned long flags
;
2821 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2822 list_del(&fw_event
->list
);
2823 kfree(fw_event
->event_data
);
2825 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2830 * _scsih_error_recovery_delete_devices - remove devices not responding
2831 * @ioc: per adapter object
2836 _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER
*ioc
)
2838 struct fw_event_work
*fw_event
;
2840 if (ioc
->is_driver_loading
)
2843 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2847 fw_event
->event
= MPT2SAS_REMOVE_UNRESPONDING_DEVICES
;
2848 fw_event
->ioc
= ioc
;
2849 _scsih_fw_event_add(ioc
, fw_event
);
2853 * mpt2sas_port_enable_complete - port enable completed (fake event)
2854 * @ioc: per adapter object
2859 mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER
*ioc
)
2861 struct fw_event_work
*fw_event
;
2863 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2866 fw_event
->event
= MPT2SAS_PORT_ENABLE_COMPLETE
;
2867 fw_event
->ioc
= ioc
;
2868 _scsih_fw_event_add(ioc
, fw_event
);
2872 * _scsih_fw_event_cleanup_queue - cleanup event queue
2873 * @ioc: per adapter object
2875 * Walk the firmware event queue, either killing timers, or waiting
2876 * for outstanding events to complete
2881 _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER
*ioc
)
2883 struct fw_event_work
*fw_event
, *next
;
2885 if (list_empty(&ioc
->fw_event_list
) ||
2886 !ioc
->firmware_event_thread
|| in_interrupt())
2889 list_for_each_entry_safe(fw_event
, next
, &ioc
->fw_event_list
, list
) {
2890 if (cancel_delayed_work(&fw_event
->delayed_work
)) {
2891 _scsih_fw_event_free(ioc
, fw_event
);
2894 fw_event
->cancel_pending_work
= 1;
2899 * _scsih_ublock_io_all_device - unblock every device
2900 * @ioc: per adapter object
2902 * change the device state from block to running
2905 _scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER
*ioc
)
2907 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2908 struct scsi_device
*sdev
;
2910 shost_for_each_device(sdev
, ioc
->shost
) {
2911 sas_device_priv_data
= sdev
->hostdata
;
2912 if (!sas_device_priv_data
)
2914 if (!sas_device_priv_data
->block
)
2916 sas_device_priv_data
->block
= 0;
2917 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
, "device_running, "
2919 sas_device_priv_data
->sas_target
->handle
));
2920 scsi_internal_device_unblock(sdev
, SDEV_RUNNING
);
2924 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
2925 * @ioc: per adapter object
2926 * @handle: device handle
2928 * During device pull we need to appropiately set the sdev state.
2931 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
)
2933 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2934 struct scsi_device
*sdev
;
2936 shost_for_each_device(sdev
, ioc
->shost
) {
2937 sas_device_priv_data
= sdev
->hostdata
;
2938 if (!sas_device_priv_data
)
2940 if (!sas_device_priv_data
->block
)
2942 if (sas_device_priv_data
->sas_target
->sas_address
==
2944 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2945 MPT2SAS_INFO_FMT
"SDEV_RUNNING: "
2946 "sas address(0x%016llx)\n", ioc
->name
,
2947 (unsigned long long)sas_address
));
2948 sas_device_priv_data
->block
= 0;
2949 scsi_internal_device_unblock(sdev
, SDEV_RUNNING
);
2955 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2956 * @ioc: per adapter object
2957 * @handle: device handle
2959 * During device pull we need to appropiately set the sdev state.
2962 _scsih_block_io_all_device(struct MPT2SAS_ADAPTER
*ioc
)
2964 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2965 struct scsi_device
*sdev
;
2967 shost_for_each_device(sdev
, ioc
->shost
) {
2968 sas_device_priv_data
= sdev
->hostdata
;
2969 if (!sas_device_priv_data
)
2971 if (sas_device_priv_data
->block
)
2973 sas_device_priv_data
->block
= 1;
2974 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
, "device_blocked, "
2976 sas_device_priv_data
->sas_target
->handle
));
2977 scsi_internal_device_block(sdev
);
2983 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2984 * @ioc: per adapter object
2985 * @handle: device handle
2987 * During device pull we need to appropiately set the sdev state.
2990 _scsih_block_io_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2992 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2993 struct scsi_device
*sdev
;
2995 shost_for_each_device(sdev
, ioc
->shost
) {
2996 sas_device_priv_data
= sdev
->hostdata
;
2997 if (!sas_device_priv_data
)
2999 if (sas_device_priv_data
->block
)
3001 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
3002 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
3003 MPT2SAS_INFO_FMT
"SDEV_BLOCK: "
3004 "handle(0x%04x)\n", ioc
->name
, handle
));
3005 sas_device_priv_data
->block
= 1;
3006 scsi_internal_device_block(sdev
);
3012 * _scsih_block_io_to_children_attached_to_ex
3013 * @ioc: per adapter object
3014 * @sas_expander: the sas_device object
3016 * This routine set sdev state to SDEV_BLOCK for all devices
3017 * attached to this expander. This function called when expander is
3021 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER
*ioc
,
3022 struct _sas_node
*sas_expander
)
3024 struct _sas_port
*mpt2sas_port
;
3025 struct _sas_device
*sas_device
;
3026 struct _sas_node
*expander_sibling
;
3027 unsigned long flags
;
3032 list_for_each_entry(mpt2sas_port
,
3033 &sas_expander
->sas_port_list
, port_list
) {
3034 if (mpt2sas_port
->remote_identify
.device_type
==
3036 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3038 mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
3039 mpt2sas_port
->remote_identify
.sas_address
);
3041 set_bit(sas_device
->handle
,
3042 ioc
->blocking_handles
);
3043 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3047 list_for_each_entry(mpt2sas_port
,
3048 &sas_expander
->sas_port_list
, port_list
) {
3050 if (mpt2sas_port
->remote_identify
.device_type
==
3051 SAS_EDGE_EXPANDER_DEVICE
||
3052 mpt2sas_port
->remote_identify
.device_type
==
3053 SAS_FANOUT_EXPANDER_DEVICE
) {
3055 mpt2sas_scsih_expander_find_by_sas_address(
3056 ioc
, mpt2sas_port
->remote_identify
.sas_address
);
3057 _scsih_block_io_to_children_attached_to_ex(ioc
,
3064 * _scsih_block_io_to_children_attached_directly
3065 * @ioc: per adapter object
3066 * @event_data: topology change event data
3068 * This routine set sdev state to SDEV_BLOCK for all devices
3069 * direct attached during device pull.
3072 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER
*ioc
,
3073 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
3080 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
3081 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
3084 phy_number
= event_data
->StartPhyNum
+ i
;
3085 reason_code
= event_data
->PHY
[i
].PhyStatus
&
3086 MPI2_EVENT_SAS_TOPO_RC_MASK
;
3087 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
)
3088 _scsih_block_io_device(ioc
, handle
);
3093 * _scsih_tm_tr_send - send task management request
3094 * @ioc: per adapter object
3095 * @handle: device handle
3096 * Context: interrupt time.
3098 * This code is to initiate the device removal handshake protocol
3099 * with controller firmware. This function will issue target reset
3100 * using high priority request queue. It will send a sas iounit
3101 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3103 * This is designed to send muliple task management request at the same
3104 * time to the fifo. If the fifo is full, we will append the request,
3105 * and process it in a future completion.
3108 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3110 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
3112 struct _sas_device
*sas_device
;
3113 struct MPT2SAS_TARGET
*sas_target_priv_data
= NULL
;
3114 u64 sas_address
= 0;
3115 unsigned long flags
;
3116 struct _tr_list
*delayed_tr
;
3119 if (ioc
->remove_host
) {
3120 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host has been "
3121 "removed: handle(0x%04x)\n", __func__
, ioc
->name
, handle
));
3123 } else if (ioc
->pci_error_recovery
) {
3124 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host in pci "
3125 "error recovery: handle(0x%04x)\n", __func__
, ioc
->name
,
3129 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3130 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
3131 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host is not "
3132 "operational: handle(0x%04x)\n", __func__
, ioc
->name
,
3137 /* if PD, then return */
3138 if (test_bit(handle
, ioc
->pd_handles
))
3141 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3142 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
3143 if (sas_device
&& sas_device
->starget
&&
3144 sas_device
->starget
->hostdata
) {
3145 sas_target_priv_data
= sas_device
->starget
->hostdata
;
3146 sas_target_priv_data
->deleted
= 1;
3147 sas_address
= sas_device
->sas_address
;
3149 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3151 if (sas_target_priv_data
) {
3152 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"setting delete flag: "
3153 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, handle
,
3154 (unsigned long long)sas_address
));
3155 _scsih_ublock_io_device(ioc
, sas_address
);
3156 sas_target_priv_data
->handle
= MPT2SAS_INVALID_DEVICE_HANDLE
;
3159 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_cb_idx
);
3161 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3164 INIT_LIST_HEAD(&delayed_tr
->list
);
3165 delayed_tr
->handle
= handle
;
3166 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3167 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3168 "DELAYED:tr:handle(0x%04x), (open)\n",
3169 ioc
->name
, handle
));
3173 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
3174 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
3175 ioc
->tm_tr_cb_idx
));
3176 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3177 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
3178 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
3179 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3180 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
3181 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
3187 * _scsih_sas_control_complete - completion routine
3188 * @ioc: per adapter object
3189 * @smid: system request message index
3190 * @msix_index: MSIX table index supplied by the OS
3191 * @reply: reply message frame(lower 32bit addr)
3192 * Context: interrupt time.
3194 * This is the sas iounit control completion routine.
3195 * This code is part of the code to initiate the device removal
3196 * handshake protocol with controller firmware.
3198 * Return 1 meaning mf should be freed from _base_interrupt
3199 * 0 means the mf is freed from this function.
3202 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
3203 u8 msix_index
, u32 reply
)
3205 Mpi2SasIoUnitControlReply_t
*mpi_reply
=
3206 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3207 if (likely(mpi_reply
)) {
3208 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3209 "sc_complete:handle(0x%04x), (open) "
3210 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3211 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
), smid
,
3212 le16_to_cpu(mpi_reply
->IOCStatus
),
3213 le32_to_cpu(mpi_reply
->IOCLogInfo
)));
3215 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3216 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3222 * _scsih_tm_tr_volume_send - send target reset request for volumes
3223 * @ioc: per adapter object
3224 * @handle: device handle
3225 * Context: interrupt time.
3227 * This is designed to send muliple task management request at the same
3228 * time to the fifo. If the fifo is full, we will append the request,
3229 * and process it in a future completion.
3232 _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3234 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
3236 struct _tr_list
*delayed_tr
;
3238 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3239 ioc
->pci_error_recovery
) {
3240 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
3241 "progress!\n", __func__
, ioc
->name
));
3245 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_volume_cb_idx
);
3247 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3250 INIT_LIST_HEAD(&delayed_tr
->list
);
3251 delayed_tr
->handle
= handle
;
3252 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_volume_list
);
3253 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3254 "DELAYED:tr:handle(0x%04x), (open)\n",
3255 ioc
->name
, handle
));
3259 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
3260 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
3261 ioc
->tm_tr_volume_cb_idx
));
3262 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3263 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
3264 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
3265 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3266 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
3267 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
3271 * _scsih_tm_volume_tr_complete - target reset completion
3272 * @ioc: per adapter object
3273 * @smid: system request message index
3274 * @msix_index: MSIX table index supplied by the OS
3275 * @reply: reply message frame(lower 32bit addr)
3276 * Context: interrupt time.
3278 * Return 1 meaning mf should be freed from _base_interrupt
3279 * 0 means the mf is freed from this function.
3282 _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
3283 u8 msix_index
, u32 reply
)
3286 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
3287 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
3288 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3290 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3291 ioc
->pci_error_recovery
) {
3292 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
3293 "progress!\n", __func__
, ioc
->name
));
3296 if (unlikely(!mpi_reply
)) {
3297 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3298 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3301 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3302 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
3303 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
3304 dewtprintk(ioc
, printk("spurious interrupt: "
3305 "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle
,
3306 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
3310 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3311 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3312 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
3313 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
3314 le32_to_cpu(mpi_reply
->IOCLogInfo
),
3315 le32_to_cpu(mpi_reply
->TerminationCount
)));
3317 return _scsih_check_for_pending_tm(ioc
, smid
);
3321 * _scsih_tm_tr_complete -
3322 * @ioc: per adapter object
3323 * @smid: system request message index
3324 * @msix_index: MSIX table index supplied by the OS
3325 * @reply: reply message frame(lower 32bit addr)
3326 * Context: interrupt time.
3328 * This is the target reset completion routine.
3329 * This code is part of the code to initiate the device removal
3330 * handshake protocol with controller firmware.
3331 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3333 * Return 1 meaning mf should be freed from _base_interrupt
3334 * 0 means the mf is freed from this function.
3337 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
3341 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
3342 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
3343 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3344 Mpi2SasIoUnitControlRequest_t
*mpi_request
;
3348 if (ioc
->remove_host
) {
3349 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host has been "
3350 "removed\n", __func__
, ioc
->name
));
3352 } else if (ioc
->pci_error_recovery
) {
3353 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host in pci "
3354 "error recovery\n", __func__
, ioc
->name
));
3357 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3358 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
3359 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host is not "
3360 "operational\n", __func__
, ioc
->name
));
3363 if (unlikely(!mpi_reply
)) {
3364 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3365 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3368 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3369 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
3370 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
3371 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"spurious interrupt: "
3372 "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc
->name
, handle
,
3373 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
3377 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3378 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3379 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
3380 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
3381 le32_to_cpu(mpi_reply
->IOCLogInfo
),
3382 le32_to_cpu(mpi_reply
->TerminationCount
)));
3384 smid_sas_ctrl
= mpt2sas_base_get_smid(ioc
, ioc
->tm_sas_control_cb_idx
);
3385 if (!smid_sas_ctrl
) {
3386 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3387 ioc
->name
, __func__
);
3391 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sc_send:handle(0x%04x), "
3392 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid_sas_ctrl
,
3393 ioc
->tm_sas_control_cb_idx
));
3394 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid_sas_ctrl
);
3395 memset(mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
3396 mpi_request
->Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
3397 mpi_request
->Operation
= MPI2_SAS_OP_REMOVE_DEVICE
;
3398 mpi_request
->DevHandle
= mpi_request_tm
->DevHandle
;
3399 mpt2sas_base_put_smid_default(ioc
, smid_sas_ctrl
);
3401 return _scsih_check_for_pending_tm(ioc
, smid
);
3405 * _scsih_check_for_pending_tm - check for pending task management
3406 * @ioc: per adapter object
3407 * @smid: system request message index
3409 * This will check delayed target reset list, and feed the
3412 * Return 1 meaning mf should be freed from _base_interrupt
3413 * 0 means the mf is freed from this function.
3416 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
3418 struct _tr_list
*delayed_tr
;
3420 if (!list_empty(&ioc
->delayed_tr_volume_list
)) {
3421 delayed_tr
= list_entry(ioc
->delayed_tr_volume_list
.next
,
3422 struct _tr_list
, list
);
3423 mpt2sas_base_free_smid(ioc
, smid
);
3424 _scsih_tm_tr_volume_send(ioc
, delayed_tr
->handle
);
3425 list_del(&delayed_tr
->list
);
3430 if (!list_empty(&ioc
->delayed_tr_list
)) {
3431 delayed_tr
= list_entry(ioc
->delayed_tr_list
.next
,
3432 struct _tr_list
, list
);
3433 mpt2sas_base_free_smid(ioc
, smid
);
3434 _scsih_tm_tr_send(ioc
, delayed_tr
->handle
);
3435 list_del(&delayed_tr
->list
);
3444 * _scsih_check_topo_delete_events - sanity check on topo events
3445 * @ioc: per adapter object
3446 * @event_data: the event data payload
3448 * This routine added to better handle cable breaker.
3450 * This handles the case where driver receives multiple expander
3451 * add and delete events in a single shot. When there is a delete event
3452 * the routine will void any pending add events waiting in the event queue.
3457 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
3458 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
3460 struct fw_event_work
*fw_event
;
3461 Mpi2EventDataSasTopologyChangeList_t
*local_event_data
;
3462 u16 expander_handle
;
3463 struct _sas_node
*sas_expander
;
3464 unsigned long flags
;
3468 for (i
= 0 ; i
< event_data
->NumEntries
; i
++) {
3469 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
3472 reason_code
= event_data
->PHY
[i
].PhyStatus
&
3473 MPI2_EVENT_SAS_TOPO_RC_MASK
;
3474 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
)
3475 _scsih_tm_tr_send(ioc
, handle
);
3478 expander_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
3479 if (expander_handle
< ioc
->sas_hba
.num_phys
) {
3480 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3483 if (event_data
->ExpStatus
==
3484 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
) {
3485 /* put expander attached devices into blocking state */
3486 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
3487 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
3489 _scsih_block_io_to_children_attached_to_ex(ioc
, sas_expander
);
3490 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
3492 handle
= find_first_bit(ioc
->blocking_handles
,
3493 ioc
->facts
.MaxDevHandle
);
3494 if (handle
< ioc
->facts
.MaxDevHandle
)
3495 _scsih_block_io_device(ioc
, handle
);
3496 } while (test_and_clear_bit(handle
, ioc
->blocking_handles
));
3497 } else if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_RESPONDING
)
3498 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3500 if (event_data
->ExpStatus
!= MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
)
3503 /* mark ignore flag for pending events */
3504 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
3505 list_for_each_entry(fw_event
, &ioc
->fw_event_list
, list
) {
3506 if (fw_event
->event
!= MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
||
3509 local_event_data
= fw_event
->event_data
;
3510 if (local_event_data
->ExpStatus
==
3511 MPI2_EVENT_SAS_TOPO_ES_ADDED
||
3512 local_event_data
->ExpStatus
==
3513 MPI2_EVENT_SAS_TOPO_ES_RESPONDING
) {
3514 if (le16_to_cpu(local_event_data
->ExpanderDevHandle
) ==
3516 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3517 "setting ignoring flag\n", ioc
->name
));
3518 fw_event
->ignore
= 1;
3522 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
3526 * _scsih_set_volume_delete_flag - setting volume delete flag
3527 * @ioc: per adapter object
3528 * @handle: device handle
3534 _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3536 struct _raid_device
*raid_device
;
3537 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3538 unsigned long flags
;
3540 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
3541 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
3542 if (raid_device
&& raid_device
->starget
&&
3543 raid_device
->starget
->hostdata
) {
3544 sas_target_priv_data
=
3545 raid_device
->starget
->hostdata
;
3546 sas_target_priv_data
->deleted
= 1;
3547 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3548 "setting delete flag: handle(0x%04x), "
3549 "wwid(0x%016llx)\n", ioc
->name
, handle
,
3550 (unsigned long long) raid_device
->wwid
));
3552 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
3556 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3557 * @handle: input handle
3558 * @a: handle for volume a
3559 * @b: handle for volume b
3561 * IR firmware only supports two raid volumes. The purpose of this
3562 * routine is to set the volume handle in either a or b. When the given
3563 * input handle is non-zero, or when a and b have not been set before.
3566 _scsih_set_volume_handle_for_tr(u16 handle
, u16
*a
, u16
*b
)
3568 if (!handle
|| handle
== *a
|| handle
== *b
)
3577 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3578 * @ioc: per adapter object
3579 * @event_data: the event data payload
3580 * Context: interrupt time.
3582 * This routine will send target reset to volume, followed by target
3583 * resets to the PDs. This is called when a PD has been removed, or
3584 * volume has been deleted or removed. When the target reset is sent
3585 * to volume, the PD target resets need to be queued to start upon
3586 * completion of the volume target reset.
3591 _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER
*ioc
,
3592 Mpi2EventDataIrConfigChangeList_t
*event_data
)
3594 Mpi2EventIrConfigElement_t
*element
;
3596 u16 handle
, volume_handle
, a
, b
;
3597 struct _tr_list
*delayed_tr
;
3602 if (ioc
->is_warpdrive
)
3605 /* Volume Resets for Deleted or Removed */
3606 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3607 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3608 if (element
->ReasonCode
==
3609 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
||
3610 element
->ReasonCode
==
3611 MPI2_EVENT_IR_CHANGE_RC_REMOVED
) {
3612 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3613 _scsih_set_volume_delete_flag(ioc
, volume_handle
);
3614 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3618 /* Volume Resets for UNHIDE events */
3619 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3620 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3621 if (le32_to_cpu(event_data
->Flags
) &
3622 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
)
3624 if (element
->ReasonCode
== MPI2_EVENT_IR_CHANGE_RC_UNHIDE
) {
3625 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3626 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3631 _scsih_tm_tr_volume_send(ioc
, a
);
3633 _scsih_tm_tr_volume_send(ioc
, b
);
3635 /* PD target resets */
3636 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3637 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3638 if (element
->ReasonCode
!= MPI2_EVENT_IR_CHANGE_RC_UNHIDE
)
3640 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
3641 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3642 clear_bit(handle
, ioc
->pd_handles
);
3644 _scsih_tm_tr_send(ioc
, handle
);
3645 else if (volume_handle
== a
|| volume_handle
== b
) {
3646 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3647 BUG_ON(!delayed_tr
);
3648 INIT_LIST_HEAD(&delayed_tr
->list
);
3649 delayed_tr
->handle
= handle
;
3650 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3651 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3652 "DELAYED:tr:handle(0x%04x), (open)\n", ioc
->name
,
3655 _scsih_tm_tr_send(ioc
, handle
);
3661 * _scsih_check_volume_delete_events - set delete flag for volumes
3662 * @ioc: per adapter object
3663 * @event_data: the event data payload
3664 * Context: interrupt time.
3666 * This will handle the case when the cable connected to entire volume is
3667 * pulled. We will take care of setting the deleted flag so normal IO will
3673 _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
3674 Mpi2EventDataIrVolume_t
*event_data
)
3678 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
3680 state
= le32_to_cpu(event_data
->NewValue
);
3681 if (state
== MPI2_RAID_VOL_STATE_MISSING
|| state
==
3682 MPI2_RAID_VOL_STATE_FAILED
)
3683 _scsih_set_volume_delete_flag(ioc
,
3684 le16_to_cpu(event_data
->VolDevHandle
));
3688 * _scsih_flush_running_cmds - completing outstanding commands.
3689 * @ioc: per adapter object
3691 * The flushing out of all pending scmd commands following host reset,
3692 * where all IO is dropped to the floor.
3697 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER
*ioc
)
3699 struct scsi_cmnd
*scmd
;
3703 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
3704 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
3708 mpt2sas_base_free_smid(ioc
, smid
);
3709 scsi_dma_unmap(scmd
);
3710 if (ioc
->pci_error_recovery
)
3711 scmd
->result
= DID_NO_CONNECT
<< 16;
3713 scmd
->result
= DID_RESET
<< 16;
3714 scmd
->scsi_done(scmd
);
3716 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"completing %d cmds\n",
3721 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3722 * @scmd: pointer to scsi command object
3723 * @mpi_request: pointer to the SCSI_IO reqest message frame
3725 * Supporting protection 1 and 3.
3730 _scsih_setup_eedp(struct scsi_cmnd
*scmd
, Mpi2SCSIIORequest_t
*mpi_request
)
3733 unsigned char prot_op
= scsi_get_prot_op(scmd
);
3734 unsigned char prot_type
= scsi_get_prot_type(scmd
);
3736 if (prot_type
== SCSI_PROT_DIF_TYPE0
|| prot_op
== SCSI_PROT_NORMAL
)
3739 if (prot_op
== SCSI_PROT_READ_STRIP
)
3740 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
;
3741 else if (prot_op
== SCSI_PROT_WRITE_INSERT
)
3742 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
;
3746 switch (prot_type
) {
3747 case SCSI_PROT_DIF_TYPE1
:
3748 case SCSI_PROT_DIF_TYPE2
:
3751 * enable ref/guard checking
3752 * auto increment ref tag
3754 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG
|
3755 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG
|
3756 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3757 mpi_request
->CDB
.EEDP32
.PrimaryReferenceTag
=
3758 cpu_to_be32(scsi_get_lba(scmd
));
3761 case SCSI_PROT_DIF_TYPE3
:
3764 * enable guard checking
3766 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3769 mpi_request
->EEDPBlockSize
= cpu_to_le32(scmd
->device
->sector_size
);
3770 mpi_request
->EEDPFlags
= cpu_to_le16(eedp_flags
);
3774 * _scsih_eedp_error_handling - return sense code for EEDP errors
3775 * @scmd: pointer to scsi command object
3776 * @ioc_status: ioc status
3781 _scsih_eedp_error_handling(struct scsi_cmnd
*scmd
, u16 ioc_status
)
3785 switch (ioc_status
) {
3786 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3789 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3792 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3800 scsi_build_sense_buffer(0, scmd
->sense_buffer
, ILLEGAL_REQUEST
, 0x10, ascq
);
3801 scmd
->result
= DRIVER_SENSE
<< 24 | (DID_ABORT
<< 16) |
3802 SAM_STAT_CHECK_CONDITION
;
3806 * _scsih_scsi_direct_io_get - returns direct io flag
3807 * @ioc: per adapter object
3808 * @smid: system request message index
3810 * Returns the smid stored scmd pointer.
3813 _scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
3815 return ioc
->scsi_lookup
[smid
- 1].direct_io
;
3819 * _scsih_scsi_direct_io_set - sets direct io flag
3820 * @ioc: per adapter object
3821 * @smid: system request message index
3822 * @direct_io: Zero or non-zero value to set in the direct_io flag
3827 _scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 direct_io
)
3829 ioc
->scsi_lookup
[smid
- 1].direct_io
= direct_io
;
3834 * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O
3835 * @ioc: per adapter object
3836 * @scmd: pointer to scsi command object
3837 * @raid_device: pointer to raid device data structure
3838 * @mpi_request: pointer to the SCSI_IO reqest message frame
3839 * @smid: system request message index
3844 _scsih_setup_direct_io(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
3845 struct _raid_device
*raid_device
, Mpi2SCSIIORequest_t
*mpi_request
,
3848 u32 v_lba
, p_lba
, stripe_off
, stripe_unit
, column
, io_size
;
3849 u32 stripe_sz
, stripe_exp
;
3850 u8 num_pds
, *cdb_ptr
, i
;
3851 u8 cdb0
= scmd
->cmnd
[0];
3855 * Try Direct I/O to RAID memeber disks
3857 if (cdb0
== READ_16
|| cdb0
== READ_10
||
3858 cdb0
== WRITE_16
|| cdb0
== WRITE_10
) {
3859 cdb_ptr
= mpi_request
->CDB
.CDB32
;
3861 if ((cdb0
< READ_16
) || !(cdb_ptr
[2] | cdb_ptr
[3] | cdb_ptr
[4]
3863 io_size
= scsi_bufflen(scmd
) >>
3864 raid_device
->block_exponent
;
3865 i
= (cdb0
< READ_16
) ? 2 : 6;
3866 /* get virtual lba */
3867 v_lba
= be32_to_cpu(*(__be32
*)(&cdb_ptr
[i
]));
3869 if (((u64
)v_lba
+ (u64
)io_size
- 1) <=
3870 (u32
)raid_device
->max_lba
) {
3871 stripe_sz
= raid_device
->stripe_sz
;
3872 stripe_exp
= raid_device
->stripe_exponent
;
3873 stripe_off
= v_lba
& (stripe_sz
- 1);
3875 /* Check whether IO falls within a stripe */
3876 if ((stripe_off
+ io_size
) <= stripe_sz
) {
3877 num_pds
= raid_device
->num_pds
;
3878 p_lba
= v_lba
>> stripe_exp
;
3879 stripe_unit
= p_lba
/ num_pds
;
3880 column
= p_lba
% num_pds
;
3881 p_lba
= (stripe_unit
<< stripe_exp
) +
3883 mpi_request
->DevHandle
=
3884 cpu_to_le16(raid_device
->
3886 (*(__be32
*)(&cdb_ptr
[i
])) =
3889 * WD: To indicate this I/O is directI/O
3891 _scsih_scsi_direct_io_set(ioc
, smid
, 1);
3895 io_size
= scsi_bufflen(scmd
) >>
3896 raid_device
->block_exponent
;
3897 /* get virtual lba */
3898 v_llba
= be64_to_cpu(*(__be64
*)(&cdb_ptr
[2]));
3900 if ((v_llba
+ (u64
)io_size
- 1) <=
3901 raid_device
->max_lba
) {
3902 stripe_sz
= raid_device
->stripe_sz
;
3903 stripe_exp
= raid_device
->stripe_exponent
;
3904 stripe_off
= (u32
) (v_llba
& (stripe_sz
- 1));
3906 /* Check whether IO falls within a stripe */
3907 if ((stripe_off
+ io_size
) <= stripe_sz
) {
3908 num_pds
= raid_device
->num_pds
;
3909 p_lba
= (u32
)(v_llba
>> stripe_exp
);
3910 stripe_unit
= p_lba
/ num_pds
;
3911 column
= p_lba
% num_pds
;
3912 p_lba
= (stripe_unit
<< stripe_exp
) +
3914 mpi_request
->DevHandle
=
3915 cpu_to_le16(raid_device
->
3917 (*(__be64
*)(&cdb_ptr
[2])) =
3918 cpu_to_be64((u64
)p_lba
);
3920 * WD: To indicate this I/O is directI/O
3922 _scsih_scsi_direct_io_set(ioc
, smid
, 1);
3930 * _scsih_qcmd - main scsi request entry point
3931 * @scmd: pointer to scsi command object
3932 * @done: function pointer to be invoked on completion
3934 * The callback index is set inside `ioc->scsi_io_cb_idx`.
3936 * Returns 0 on success. If there's a failure, return either:
3937 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
3938 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
3941 _scsih_qcmd_lck(struct scsi_cmnd
*scmd
, void (*done
)(struct scsi_cmnd
*))
3943 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
3944 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3945 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3946 struct _raid_device
*raid_device
;
3947 Mpi2SCSIIORequest_t
*mpi_request
;
3951 scmd
->scsi_done
= done
;
3952 sas_device_priv_data
= scmd
->device
->hostdata
;
3953 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
3954 scmd
->result
= DID_NO_CONNECT
<< 16;
3955 scmd
->scsi_done(scmd
);
3959 if (ioc
->pci_error_recovery
|| ioc
->remove_host
) {
3960 scmd
->result
= DID_NO_CONNECT
<< 16;
3961 scmd
->scsi_done(scmd
);
3965 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
3966 /* invalid device handle */
3967 if (sas_target_priv_data
->handle
== MPT2SAS_INVALID_DEVICE_HANDLE
) {
3968 scmd
->result
= DID_NO_CONNECT
<< 16;
3969 scmd
->scsi_done(scmd
);
3973 /* host recovery or link resets sent via IOCTLs */
3974 if (ioc
->shost_recovery
|| ioc
->ioc_link_reset_in_progress
)
3975 return SCSI_MLQUEUE_HOST_BUSY
;
3976 /* device busy with task management */
3977 else if (sas_device_priv_data
->block
|| sas_target_priv_data
->tm_busy
)
3978 return SCSI_MLQUEUE_DEVICE_BUSY
;
3979 /* device has been deleted */
3980 else if (sas_target_priv_data
->deleted
) {
3981 scmd
->result
= DID_NO_CONNECT
<< 16;
3982 scmd
->scsi_done(scmd
);
3986 if (scmd
->sc_data_direction
== DMA_FROM_DEVICE
)
3987 mpi_control
= MPI2_SCSIIO_CONTROL_READ
;
3988 else if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
3989 mpi_control
= MPI2_SCSIIO_CONTROL_WRITE
;
3991 mpi_control
= MPI2_SCSIIO_CONTROL_NODATATRANSFER
;
3994 if (!(sas_device_priv_data
->flags
& MPT_DEVICE_FLAGS_INIT
)) {
3995 if (scmd
->device
->tagged_supported
) {
3996 if (scmd
->device
->ordered_tags
)
3997 mpi_control
|= MPI2_SCSIIO_CONTROL_ORDEREDQ
;
3999 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
4001 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
4003 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
4004 /* Make sure Device is not raid volume.
4005 * We do not expose raid functionality to upper layer for warpdrive.
4007 if (!ioc
->is_warpdrive
&& !_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
4008 sas_is_tlr_enabled(scmd
->device
) && scmd
->cmd_len
!= 32)
4009 mpi_control
|= MPI2_SCSIIO_CONTROL_TLR_ON
;
4011 smid
= mpt2sas_base_get_smid_scsiio(ioc
, ioc
->scsi_io_cb_idx
, scmd
);
4013 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
4014 ioc
->name
, __func__
);
4017 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
4018 memset(mpi_request
, 0, sizeof(Mpi2SCSIIORequest_t
));
4019 _scsih_setup_eedp(scmd
, mpi_request
);
4020 if (scmd
->cmd_len
== 32)
4021 mpi_control
|= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT
;
4022 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
4023 if (sas_device_priv_data
->sas_target
->flags
&
4024 MPT_TARGET_FLAGS_RAID_COMPONENT
)
4025 mpi_request
->Function
= MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
4027 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
4028 mpi_request
->DevHandle
=
4029 cpu_to_le16(sas_device_priv_data
->sas_target
->handle
);
4030 mpi_request
->DataLength
= cpu_to_le32(scsi_bufflen(scmd
));
4031 mpi_request
->Control
= cpu_to_le32(mpi_control
);
4032 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
);
4033 mpi_request
->MsgFlags
= MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR
;
4034 mpi_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
4035 mpi_request
->SenseBufferLowAddress
=
4036 mpt2sas_base_get_sense_buffer_dma(ioc
, smid
);
4037 mpi_request
->SGLOffset0
= offsetof(Mpi2SCSIIORequest_t
, SGL
) / 4;
4038 mpi_request
->SGLFlags
= cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI
+
4039 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR
);
4040 mpi_request
->VF_ID
= 0; /* TODO */
4041 mpi_request
->VP_ID
= 0;
4042 int_to_scsilun(sas_device_priv_data
->lun
, (struct scsi_lun
*)
4044 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
4046 if (!mpi_request
->DataLength
) {
4047 mpt2sas_base_build_zero_len_sge(ioc
, &mpi_request
->SGL
);
4049 if (_scsih_build_scatter_gather(ioc
, scmd
, smid
)) {
4050 mpt2sas_base_free_smid(ioc
, smid
);
4055 raid_device
= sas_target_priv_data
->raid_device
;
4056 if (raid_device
&& raid_device
->direct_io_enabled
)
4057 _scsih_setup_direct_io(ioc
, scmd
, raid_device
, mpi_request
,
4060 if (likely(mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
))
4061 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
4062 le16_to_cpu(mpi_request
->DevHandle
));
4064 mpt2sas_base_put_smid_default(ioc
, smid
);
4068 return SCSI_MLQUEUE_HOST_BUSY
;
4071 static DEF_SCSI_QCMD(_scsih_qcmd
)
4074 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4075 * @sense_buffer: sense data returned by target
4076 * @data: normalized skey/asc/ascq
4081 _scsih_normalize_sense(char *sense_buffer
, struct sense_info
*data
)
4083 if ((sense_buffer
[0] & 0x7F) >= 0x72) {
4084 /* descriptor format */
4085 data
->skey
= sense_buffer
[1] & 0x0F;
4086 data
->asc
= sense_buffer
[2];
4087 data
->ascq
= sense_buffer
[3];
4090 data
->skey
= sense_buffer
[2] & 0x0F;
4091 data
->asc
= sense_buffer
[12];
4092 data
->ascq
= sense_buffer
[13];
4096 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4098 * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request
4099 * @ioc: per adapter object
4100 * @scmd: pointer to scsi command object
4101 * @mpi_reply: reply mf payload returned from firmware
4103 * scsi_status - SCSI Status code returned from target device
4104 * scsi_state - state info associated with SCSI_IO determined by ioc
4105 * ioc_status - ioc supplied status info
4110 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
4111 Mpi2SCSIIOReply_t
*mpi_reply
, u16 smid
)
4115 u16 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) &
4116 MPI2_IOCSTATUS_MASK
;
4117 u8 scsi_state
= mpi_reply
->SCSIState
;
4118 u8 scsi_status
= mpi_reply
->SCSIStatus
;
4119 char *desc_ioc_state
= NULL
;
4120 char *desc_scsi_status
= NULL
;
4121 char *desc_scsi_state
= ioc
->tmp_string
;
4122 u32 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
4123 struct _sas_device
*sas_device
= NULL
;
4124 unsigned long flags
;
4125 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
4126 struct MPT2SAS_TARGET
*priv_target
= starget
->hostdata
;
4127 char *device_str
= NULL
;
4132 if (ioc
->hide_ir_msg
)
4133 device_str
= "WarpDrive";
4135 device_str
= "volume";
4137 if (log_info
== 0x31170000)
4140 switch (ioc_status
) {
4141 case MPI2_IOCSTATUS_SUCCESS
:
4142 desc_ioc_state
= "success";
4144 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
4145 desc_ioc_state
= "invalid function";
4147 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
4148 desc_ioc_state
= "scsi recovered error";
4150 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE
:
4151 desc_ioc_state
= "scsi invalid dev handle";
4153 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
4154 desc_ioc_state
= "scsi device not there";
4156 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
4157 desc_ioc_state
= "scsi data overrun";
4159 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
4160 desc_ioc_state
= "scsi data underrun";
4162 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
4163 desc_ioc_state
= "scsi io data error";
4165 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
4166 desc_ioc_state
= "scsi protocol error";
4168 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
4169 desc_ioc_state
= "scsi task terminated";
4171 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
4172 desc_ioc_state
= "scsi residual mismatch";
4174 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
4175 desc_ioc_state
= "scsi task mgmt failed";
4177 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
4178 desc_ioc_state
= "scsi ioc terminated";
4180 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
4181 desc_ioc_state
= "scsi ext terminated";
4183 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
4184 desc_ioc_state
= "eedp guard error";
4186 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
4187 desc_ioc_state
= "eedp ref tag error";
4189 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
4190 desc_ioc_state
= "eedp app tag error";
4193 desc_ioc_state
= "unknown";
4197 switch (scsi_status
) {
4198 case MPI2_SCSI_STATUS_GOOD
:
4199 desc_scsi_status
= "good";
4201 case MPI2_SCSI_STATUS_CHECK_CONDITION
:
4202 desc_scsi_status
= "check condition";
4204 case MPI2_SCSI_STATUS_CONDITION_MET
:
4205 desc_scsi_status
= "condition met";
4207 case MPI2_SCSI_STATUS_BUSY
:
4208 desc_scsi_status
= "busy";
4210 case MPI2_SCSI_STATUS_INTERMEDIATE
:
4211 desc_scsi_status
= "intermediate";
4213 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET
:
4214 desc_scsi_status
= "intermediate condmet";
4216 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT
:
4217 desc_scsi_status
= "reservation conflict";
4219 case MPI2_SCSI_STATUS_COMMAND_TERMINATED
:
4220 desc_scsi_status
= "command terminated";
4222 case MPI2_SCSI_STATUS_TASK_SET_FULL
:
4223 desc_scsi_status
= "task set full";
4225 case MPI2_SCSI_STATUS_ACA_ACTIVE
:
4226 desc_scsi_status
= "aca active";
4228 case MPI2_SCSI_STATUS_TASK_ABORTED
:
4229 desc_scsi_status
= "task aborted";
4232 desc_scsi_status
= "unknown";
4236 desc_scsi_state
[0] = '\0';
4238 desc_scsi_state
= " ";
4239 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
4240 strcat(desc_scsi_state
, "response info ");
4241 if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4242 strcat(desc_scsi_state
, "state terminated ");
4243 if (scsi_state
& MPI2_SCSI_STATE_NO_SCSI_STATUS
)
4244 strcat(desc_scsi_state
, "no status ");
4245 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_FAILED
)
4246 strcat(desc_scsi_state
, "autosense failed ");
4247 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
)
4248 strcat(desc_scsi_state
, "autosense valid ");
4250 scsi_print_command(scmd
);
4252 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
4253 printk(MPT2SAS_WARN_FMT
"\t%s wwid(0x%016llx)\n", ioc
->name
,
4254 device_str
, (unsigned long long)priv_target
->sas_address
);
4256 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4257 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
4258 priv_target
->sas_address
);
4260 printk(MPT2SAS_WARN_FMT
"\tsas_address(0x%016llx), "
4261 "phy(%d)\n", ioc
->name
, sas_device
->sas_address
,
4263 printk(MPT2SAS_WARN_FMT
4264 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
4265 ioc
->name
, sas_device
->enclosure_logical_id
,
4268 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4271 printk(MPT2SAS_WARN_FMT
"\thandle(0x%04x), ioc_status(%s)(0x%04x), "
4272 "smid(%d)\n", ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
),
4273 desc_ioc_state
, ioc_status
, smid
);
4274 printk(MPT2SAS_WARN_FMT
"\trequest_len(%d), underflow(%d), "
4275 "resid(%d)\n", ioc
->name
, scsi_bufflen(scmd
), scmd
->underflow
,
4276 scsi_get_resid(scmd
));
4277 printk(MPT2SAS_WARN_FMT
"\ttag(%d), transfer_count(%d), "
4278 "sc->result(0x%08x)\n", ioc
->name
, le16_to_cpu(mpi_reply
->TaskTag
),
4279 le32_to_cpu(mpi_reply
->TransferCount
), scmd
->result
);
4280 printk(MPT2SAS_WARN_FMT
"\tscsi_status(%s)(0x%02x), "
4281 "scsi_state(%s)(0x%02x)\n", ioc
->name
, desc_scsi_status
,
4282 scsi_status
, desc_scsi_state
, scsi_state
);
4284 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
4285 struct sense_info data
;
4286 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
4287 printk(MPT2SAS_WARN_FMT
"\t[sense_key,asc,ascq]: "
4288 "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc
->name
, data
.skey
,
4289 data
.asc
, data
.ascq
, le32_to_cpu(mpi_reply
->SenseCount
));
4292 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
) {
4293 response_info
= le32_to_cpu(mpi_reply
->ResponseInfo
);
4294 response_bytes
= (u8
*)&response_info
;
4295 _scsih_response_code(ioc
, response_bytes
[0]);
4301 * _scsih_turn_on_fault_led - illuminate Fault LED
4302 * @ioc: per adapter object
4303 * @handle: device handle
4309 _scsih_turn_on_fault_led(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4311 Mpi2SepReply_t mpi_reply
;
4312 Mpi2SepRequest_t mpi_request
;
4314 memset(&mpi_request
, 0, sizeof(Mpi2SepRequest_t
));
4315 mpi_request
.Function
= MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
;
4316 mpi_request
.Action
= MPI2_SEP_REQ_ACTION_WRITE_STATUS
;
4317 mpi_request
.SlotStatus
=
4318 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT
);
4319 mpi_request
.DevHandle
= cpu_to_le16(handle
);
4320 mpi_request
.Flags
= MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS
;
4321 if ((mpt2sas_base_scsi_enclosure_processor(ioc
, &mpi_reply
,
4322 &mpi_request
)) != 0) {
4323 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
4324 __FILE__
, __LINE__
, __func__
);
4328 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
) {
4329 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"enclosure_processor: "
4330 "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc
->name
,
4331 le16_to_cpu(mpi_reply
.IOCStatus
),
4332 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
4338 * _scsih_send_event_to_turn_on_fault_led - fire delayed event
4339 * @ioc: per adapter object
4340 * @handle: device handle
4341 * Context: interrupt.
4346 _scsih_send_event_to_turn_on_fault_led(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4348 struct fw_event_work
*fw_event
;
4350 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
4353 fw_event
->event
= MPT2SAS_TURN_ON_FAULT_LED
;
4354 fw_event
->device_handle
= handle
;
4355 fw_event
->ioc
= ioc
;
4356 _scsih_fw_event_add(ioc
, fw_event
);
4360 * _scsih_smart_predicted_fault - process smart errors
4361 * @ioc: per adapter object
4362 * @handle: device handle
4363 * Context: interrupt.
4368 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4370 struct scsi_target
*starget
;
4371 struct MPT2SAS_TARGET
*sas_target_priv_data
;
4372 Mpi2EventNotificationReply_t
*event_reply
;
4373 Mpi2EventDataSasDeviceStatusChange_t
*event_data
;
4374 struct _sas_device
*sas_device
;
4376 unsigned long flags
;
4378 /* only handle non-raid devices */
4379 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4380 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
4382 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4385 starget
= sas_device
->starget
;
4386 sas_target_priv_data
= starget
->hostdata
;
4388 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) ||
4389 ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))) {
4390 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4393 starget_printk(KERN_WARNING
, starget
, "predicted fault\n");
4394 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4396 if (ioc
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_IBM
)
4397 _scsih_send_event_to_turn_on_fault_led(ioc
, handle
);
4399 /* insert into event log */
4400 sz
= offsetof(Mpi2EventNotificationReply_t
, EventData
) +
4401 sizeof(Mpi2EventDataSasDeviceStatusChange_t
);
4402 event_reply
= kzalloc(sz
, GFP_ATOMIC
);
4404 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4405 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4409 event_reply
->Function
= MPI2_FUNCTION_EVENT_NOTIFICATION
;
4410 event_reply
->Event
=
4411 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
);
4412 event_reply
->MsgLength
= sz
/4;
4413 event_reply
->EventDataLength
=
4414 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t
)/4);
4415 event_data
= (Mpi2EventDataSasDeviceStatusChange_t
*)
4416 event_reply
->EventData
;
4417 event_data
->ReasonCode
= MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
;
4418 event_data
->ASC
= 0x5D;
4419 event_data
->DevHandle
= cpu_to_le16(handle
);
4420 event_data
->SASAddress
= cpu_to_le64(sas_target_priv_data
->sas_address
);
4421 mpt2sas_ctl_add_to_event_log(ioc
, event_reply
);
4426 * _scsih_io_done - scsi request callback
4427 * @ioc: per adapter object
4428 * @smid: system request message index
4429 * @msix_index: MSIX table index supplied by the OS
4430 * @reply: reply message frame(lower 32bit addr)
4432 * Callback handler when using _scsih_qcmd.
4434 * Return 1 meaning mf should be freed from _base_interrupt
4435 * 0 means the mf is freed from this function.
4438 _scsih_io_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
4440 Mpi2SCSIIORequest_t
*mpi_request
;
4441 Mpi2SCSIIOReply_t
*mpi_reply
;
4442 struct scsi_cmnd
*scmd
;
4448 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
4449 u32 response_code
= 0;
4450 unsigned long flags
;
4452 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
4453 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
4457 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
4459 if (mpi_reply
== NULL
) {
4460 scmd
->result
= DID_OK
<< 16;
4464 sas_device_priv_data
= scmd
->device
->hostdata
;
4465 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
||
4466 sas_device_priv_data
->sas_target
->deleted
) {
4467 scmd
->result
= DID_NO_CONNECT
<< 16;
4470 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
4472 * WARPDRIVE: If direct_io is set then it is directIO,
4473 * the failed direct I/O should be redirected to volume
4475 if (_scsih_scsi_direct_io_get(ioc
, smid
) &&
4476 ((ioc_status
& MPI2_IOCSTATUS_MASK
)
4477 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
)) {
4478 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
4479 ioc
->scsi_lookup
[smid
- 1].scmd
= scmd
;
4480 _scsih_scsi_direct_io_set(ioc
, smid
, 0);
4481 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
4482 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
4483 mpi_request
->DevHandle
=
4484 cpu_to_le16(sas_device_priv_data
->sas_target
->handle
);
4485 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
4486 sas_device_priv_data
->sas_target
->handle
);
4491 /* turning off TLR */
4492 scsi_state
= mpi_reply
->SCSIState
;
4493 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
4495 le32_to_cpu(mpi_reply
->ResponseInfo
) & 0xFF;
4496 if (!sas_device_priv_data
->tlr_snoop_check
) {
4497 sas_device_priv_data
->tlr_snoop_check
++;
4498 /* Make sure Device is not raid volume.
4499 * We do not expose raid functionality to upper layer for warpdrive.
4501 if (!ioc
->is_warpdrive
&& !_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
4502 sas_is_tlr_enabled(scmd
->device
) &&
4503 response_code
== MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
) {
4504 sas_disable_tlr(scmd
->device
);
4505 sdev_printk(KERN_INFO
, scmd
->device
, "TLR disabled\n");
4509 xfer_cnt
= le32_to_cpu(mpi_reply
->TransferCount
);
4510 scsi_set_resid(scmd
, scsi_bufflen(scmd
) - xfer_cnt
);
4511 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
4512 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
4515 ioc_status
&= MPI2_IOCSTATUS_MASK
;
4516 scsi_status
= mpi_reply
->SCSIStatus
;
4518 if (ioc_status
== MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
&& xfer_cnt
== 0 &&
4519 (scsi_status
== MPI2_SCSI_STATUS_BUSY
||
4520 scsi_status
== MPI2_SCSI_STATUS_RESERVATION_CONFLICT
||
4521 scsi_status
== MPI2_SCSI_STATUS_TASK_SET_FULL
)) {
4522 ioc_status
= MPI2_IOCSTATUS_SUCCESS
;
4525 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
4526 struct sense_info data
;
4527 const void *sense_data
= mpt2sas_base_get_sense_buffer(ioc
,
4529 u32 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
4530 le32_to_cpu(mpi_reply
->SenseCount
));
4531 memcpy(scmd
->sense_buffer
, sense_data
, sz
);
4532 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
4533 /* failure prediction threshold exceeded */
4534 if (data
.asc
== 0x5D)
4535 _scsih_smart_predicted_fault(ioc
,
4536 le16_to_cpu(mpi_reply
->DevHandle
));
4539 switch (ioc_status
) {
4540 case MPI2_IOCSTATUS_BUSY
:
4541 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES
:
4542 scmd
->result
= SAM_STAT_BUSY
;
4545 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
4546 scmd
->result
= DID_NO_CONNECT
<< 16;
4549 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
4550 if (sas_device_priv_data
->block
) {
4551 scmd
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
4554 scmd
->result
= DID_SOFT_ERROR
<< 16;
4556 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
4557 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
4558 scmd
->result
= DID_RESET
<< 16;
4561 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
4562 if ((xfer_cnt
== 0) || (scmd
->underflow
> xfer_cnt
))
4563 scmd
->result
= DID_SOFT_ERROR
<< 16;
4565 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4568 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
4569 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4571 if ((scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
))
4574 if (xfer_cnt
< scmd
->underflow
) {
4575 if (scsi_status
== SAM_STAT_BUSY
)
4576 scmd
->result
= SAM_STAT_BUSY
;
4578 scmd
->result
= DID_SOFT_ERROR
<< 16;
4579 } else if (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4580 MPI2_SCSI_STATE_NO_SCSI_STATUS
))
4581 scmd
->result
= DID_SOFT_ERROR
<< 16;
4582 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4583 scmd
->result
= DID_RESET
<< 16;
4584 else if (!xfer_cnt
&& scmd
->cmnd
[0] == REPORT_LUNS
) {
4585 mpi_reply
->SCSIState
= MPI2_SCSI_STATE_AUTOSENSE_VALID
;
4586 mpi_reply
->SCSIStatus
= SAM_STAT_CHECK_CONDITION
;
4587 scmd
->result
= (DRIVER_SENSE
<< 24) |
4588 SAM_STAT_CHECK_CONDITION
;
4589 scmd
->sense_buffer
[0] = 0x70;
4590 scmd
->sense_buffer
[2] = ILLEGAL_REQUEST
;
4591 scmd
->sense_buffer
[12] = 0x20;
4592 scmd
->sense_buffer
[13] = 0;
4596 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
4597 scsi_set_resid(scmd
, 0);
4598 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
4599 case MPI2_IOCSTATUS_SUCCESS
:
4600 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4601 if (response_code
==
4602 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
||
4603 (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4604 MPI2_SCSI_STATE_NO_SCSI_STATUS
)))
4605 scmd
->result
= DID_SOFT_ERROR
<< 16;
4606 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4607 scmd
->result
= DID_RESET
<< 16;
4610 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
4611 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
4612 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
4613 _scsih_eedp_error_handling(scmd
, ioc_status
);
4615 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
4616 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
4617 case MPI2_IOCSTATUS_INVALID_SGL
:
4618 case MPI2_IOCSTATUS_INTERNAL_ERROR
:
4619 case MPI2_IOCSTATUS_INVALID_FIELD
:
4620 case MPI2_IOCSTATUS_INVALID_STATE
:
4621 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
4622 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
4624 scmd
->result
= DID_SOFT_ERROR
<< 16;
4629 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4630 if (scmd
->result
&& (ioc
->logging_level
& MPT_DEBUG_REPLY
))
4631 _scsih_scsi_ioc_info(ioc
, scmd
, mpi_reply
, smid
);
4635 scsi_dma_unmap(scmd
);
4636 scmd
->scsi_done(scmd
);
4641 * _scsih_sas_host_refresh - refreshing sas host object contents
4642 * @ioc: per adapter object
4645 * During port enable, fw will send topology events for every device. Its
4646 * possible that the handles may change from the previous setting, so this
4647 * code keeping handles updating if changed.
4652 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER
*ioc
)
4657 Mpi2ConfigReply_t mpi_reply
;
4658 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4659 u16 attached_handle
;
4662 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
4663 "updating handles for sas_host(0x%016llx)\n",
4664 ioc
->name
, (unsigned long long)ioc
->sas_hba
.sas_address
));
4666 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
4667 * sizeof(Mpi2SasIOUnit0PhyData_t
));
4668 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4669 if (!sas_iounit_pg0
) {
4670 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4671 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4675 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4676 sas_iounit_pg0
, sz
)) != 0)
4678 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4679 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4681 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4682 link_rate
= sas_iounit_pg0
->PhyData
[i
].NegotiatedLinkRate
>> 4;
4684 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4685 PhyData
[0].ControllerDevHandle
);
4686 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4687 attached_handle
= le16_to_cpu(sas_iounit_pg0
->PhyData
[i
].
4689 if (attached_handle
&& link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
4690 link_rate
= MPI2_SAS_NEG_LINK_RATE_1_5
;
4691 mpt2sas_transport_update_links(ioc
, ioc
->sas_hba
.sas_address
,
4692 attached_handle
, i
, link_rate
);
4695 kfree(sas_iounit_pg0
);
4699 * _scsih_sas_host_add - create sas host object
4700 * @ioc: per adapter object
4702 * Creating host side data object, stored in ioc->sas_hba
4707 _scsih_sas_host_add(struct MPT2SAS_ADAPTER
*ioc
)
4710 Mpi2ConfigReply_t mpi_reply
;
4711 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4712 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
4713 Mpi2SasPhyPage0_t phy_pg0
;
4714 Mpi2SasDevicePage0_t sas_device_pg0
;
4715 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4718 u16 device_missing_delay
;
4720 mpt2sas_config_get_number_hba_phys(ioc
, &ioc
->sas_hba
.num_phys
);
4721 if (!ioc
->sas_hba
.num_phys
) {
4722 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4723 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4727 /* sas_iounit page 0 */
4728 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4729 sizeof(Mpi2SasIOUnit0PhyData_t
));
4730 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4731 if (!sas_iounit_pg0
) {
4732 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4733 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4736 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4737 sas_iounit_pg0
, sz
))) {
4738 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4739 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4742 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4743 MPI2_IOCSTATUS_MASK
;
4744 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4745 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4746 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4750 /* sas_iounit page 1 */
4751 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4752 sizeof(Mpi2SasIOUnit1PhyData_t
));
4753 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
4754 if (!sas_iounit_pg1
) {
4755 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4756 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4759 if ((mpt2sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
4760 sas_iounit_pg1
, sz
))) {
4761 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4762 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4765 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4766 MPI2_IOCSTATUS_MASK
;
4767 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4768 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4769 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4773 ioc
->io_missing_delay
=
4774 le16_to_cpu(sas_iounit_pg1
->IODeviceMissingDelay
);
4775 device_missing_delay
=
4776 le16_to_cpu(sas_iounit_pg1
->ReportDeviceMissingDelay
);
4777 if (device_missing_delay
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
4778 ioc
->device_missing_delay
= (device_missing_delay
&
4779 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
4781 ioc
->device_missing_delay
= device_missing_delay
&
4782 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
4784 ioc
->sas_hba
.parent_dev
= &ioc
->shost
->shost_gendev
;
4785 ioc
->sas_hba
.phy
= kcalloc(ioc
->sas_hba
.num_phys
,
4786 sizeof(struct _sas_phy
), GFP_KERNEL
);
4787 if (!ioc
->sas_hba
.phy
) {
4788 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4789 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4792 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4793 if ((mpt2sas_config_get_phy_pg0(ioc
, &mpi_reply
, &phy_pg0
,
4795 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4796 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4799 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4800 MPI2_IOCSTATUS_MASK
;
4801 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4802 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4803 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4808 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4809 PhyData
[0].ControllerDevHandle
);
4810 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4811 ioc
->sas_hba
.phy
[i
].phy_id
= i
;
4812 mpt2sas_transport_add_host_phy(ioc
, &ioc
->sas_hba
.phy
[i
],
4813 phy_pg0
, ioc
->sas_hba
.parent_dev
);
4815 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4816 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, ioc
->sas_hba
.handle
))) {
4817 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4818 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4821 ioc
->sas_hba
.enclosure_handle
=
4822 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4823 ioc
->sas_hba
.sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4824 printk(MPT2SAS_INFO_FMT
"host_add: handle(0x%04x), "
4825 "sas_addr(0x%016llx), phys(%d)\n", ioc
->name
, ioc
->sas_hba
.handle
,
4826 (unsigned long long) ioc
->sas_hba
.sas_address
,
4827 ioc
->sas_hba
.num_phys
) ;
4829 if (ioc
->sas_hba
.enclosure_handle
) {
4830 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4832 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4833 ioc
->sas_hba
.enclosure_handle
))) {
4834 ioc
->sas_hba
.enclosure_logical_id
=
4835 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4840 kfree(sas_iounit_pg1
);
4841 kfree(sas_iounit_pg0
);
4845 * _scsih_expander_add - creating expander object
4846 * @ioc: per adapter object
4847 * @handle: expander handle
4849 * Creating expander object, stored in ioc->sas_expander_list.
4851 * Return 0 for success, else error.
4854 _scsih_expander_add(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4856 struct _sas_node
*sas_expander
;
4857 Mpi2ConfigReply_t mpi_reply
;
4858 Mpi2ExpanderPage0_t expander_pg0
;
4859 Mpi2ExpanderPage1_t expander_pg1
;
4860 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4863 u64 sas_address
, sas_address_parent
= 0;
4865 unsigned long flags
;
4866 struct _sas_port
*mpt2sas_port
= NULL
;
4872 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
4875 if ((mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
4876 MPI2_SAS_EXPAND_PGAD_FORM_HNDL
, handle
))) {
4877 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4878 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4882 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4883 MPI2_IOCSTATUS_MASK
;
4884 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4885 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4886 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4890 /* handle out of order topology events */
4891 parent_handle
= le16_to_cpu(expander_pg0
.ParentDevHandle
);
4892 if (_scsih_get_sas_address(ioc
, parent_handle
, &sas_address_parent
)
4894 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4895 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4898 if (sas_address_parent
!= ioc
->sas_hba
.sas_address
) {
4899 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4900 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
4901 sas_address_parent
);
4902 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4903 if (!sas_expander
) {
4904 rc
= _scsih_expander_add(ioc
, parent_handle
);
4910 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4911 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
4912 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
4914 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4919 sas_expander
= kzalloc(sizeof(struct _sas_node
),
4921 if (!sas_expander
) {
4922 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4923 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4927 sas_expander
->handle
= handle
;
4928 sas_expander
->num_phys
= expander_pg0
.NumPhys
;
4929 sas_expander
->sas_address_parent
= sas_address_parent
;
4930 sas_expander
->sas_address
= sas_address
;
4932 printk(MPT2SAS_INFO_FMT
"expander_add: handle(0x%04x),"
4933 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc
->name
,
4934 handle
, parent_handle
, (unsigned long long)
4935 sas_expander
->sas_address
, sas_expander
->num_phys
);
4937 if (!sas_expander
->num_phys
)
4939 sas_expander
->phy
= kcalloc(sas_expander
->num_phys
,
4940 sizeof(struct _sas_phy
), GFP_KERNEL
);
4941 if (!sas_expander
->phy
) {
4942 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4943 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4948 INIT_LIST_HEAD(&sas_expander
->sas_port_list
);
4949 mpt2sas_port
= mpt2sas_transport_port_add(ioc
, handle
,
4950 sas_address_parent
);
4951 if (!mpt2sas_port
) {
4952 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4953 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4957 sas_expander
->parent_dev
= &mpt2sas_port
->rphy
->dev
;
4959 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
4960 if ((mpt2sas_config_get_expander_pg1(ioc
, &mpi_reply
,
4961 &expander_pg1
, i
, handle
))) {
4962 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4963 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4967 sas_expander
->phy
[i
].handle
= handle
;
4968 sas_expander
->phy
[i
].phy_id
= i
;
4970 if ((mpt2sas_transport_add_expander_phy(ioc
,
4971 &sas_expander
->phy
[i
], expander_pg1
,
4972 sas_expander
->parent_dev
))) {
4973 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4974 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4980 if (sas_expander
->enclosure_handle
) {
4981 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4982 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4983 sas_expander
->enclosure_handle
))) {
4984 sas_expander
->enclosure_logical_id
=
4985 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4989 _scsih_expander_node_add(ioc
, sas_expander
);
4995 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
4996 sas_address_parent
);
4997 kfree(sas_expander
);
5002 * _scsih_done - scsih callback handler.
5003 * @ioc: per adapter object
5004 * @smid: system request message index
5005 * @msix_index: MSIX table index supplied by the OS
5006 * @reply: reply message frame(lower 32bit addr)
5008 * Callback handler when sending internal generated message frames.
5009 * The callback index passed is `ioc->scsih_cb_idx`
5011 * Return 1 meaning mf should be freed from _base_interrupt
5012 * 0 means the mf is freed from this function.
5015 _scsih_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
5017 MPI2DefaultReply_t
*mpi_reply
;
5019 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
5020 if (ioc
->scsih_cmds
.status
== MPT2_CMD_NOT_USED
)
5022 if (ioc
->scsih_cmds
.smid
!= smid
)
5024 ioc
->scsih_cmds
.status
|= MPT2_CMD_COMPLETE
;
5026 memcpy(ioc
->scsih_cmds
.reply
, mpi_reply
,
5027 mpi_reply
->MsgLength
*4);
5028 ioc
->scsih_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
5030 ioc
->scsih_cmds
.status
&= ~MPT2_CMD_PENDING
;
5031 complete(&ioc
->scsih_cmds
.done
);
5036 * mpt2sas_expander_remove - removing expander object
5037 * @ioc: per adapter object
5038 * @sas_address: expander sas_address
5043 mpt2sas_expander_remove(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
)
5045 struct _sas_node
*sas_expander
;
5046 unsigned long flags
;
5048 if (ioc
->shost_recovery
)
5051 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5052 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
5055 list_del(&sas_expander
->list
);
5056 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5058 _scsih_expander_node_remove(ioc
, sas_expander
);
5062 * _scsih_check_access_status - check access flags
5063 * @ioc: per adapter object
5064 * @sas_address: sas address
5065 * @handle: sas device handle
5066 * @access_flags: errors returned during discovery of the device
5068 * Return 0 for success, else failure
5071 _scsih_check_access_status(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
5072 u16 handle
, u8 access_status
)
5077 switch (access_status
) {
5078 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS
:
5079 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION
:
5082 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED
:
5083 desc
= "sata capability failed";
5085 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT
:
5086 desc
= "sata affiliation conflict";
5088 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE
:
5089 desc
= "route not addressable";
5091 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE
:
5092 desc
= "smp error not addressable";
5094 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED
:
5095 desc
= "device blocked";
5097 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED
:
5098 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN
:
5099 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT
:
5100 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG
:
5101 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION
:
5102 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER
:
5103 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN
:
5104 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN
:
5105 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN
:
5106 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION
:
5107 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE
:
5108 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX
:
5109 desc
= "sata initialization failed";
5119 printk(MPT2SAS_ERR_FMT
"discovery errors(%s): sas_address(0x%016llx), "
5120 "handle(0x%04x)\n", ioc
->name
, desc
,
5121 (unsigned long long)sas_address
, handle
);
5126 _scsih_check_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
5128 Mpi2ConfigReply_t mpi_reply
;
5129 Mpi2SasDevicePage0_t sas_device_pg0
;
5130 struct _sas_device
*sas_device
;
5132 unsigned long flags
;
5134 struct scsi_target
*starget
;
5135 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5139 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5140 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
)))
5143 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
5144 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
5147 /* check if this is end device */
5148 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
5149 if (!(_scsih_is_end_device(device_info
)))
5152 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5153 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
5154 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
5158 printk(MPT2SAS_ERR_FMT
"device is not present "
5159 "handle(0x%04x), no sas_device!!!\n", ioc
->name
, handle
);
5160 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5164 if (unlikely(sas_device
->handle
!= handle
)) {
5165 starget
= sas_device
->starget
;
5166 sas_target_priv_data
= starget
->hostdata
;
5167 starget_printk(KERN_INFO
, starget
, "handle changed from(0x%04x)"
5168 " to (0x%04x)!!!\n", sas_device
->handle
, handle
);
5169 sas_target_priv_data
->handle
= handle
;
5170 sas_device
->handle
= handle
;
5173 /* check if device is present */
5174 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
5175 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
5176 printk(MPT2SAS_ERR_FMT
"device is not present "
5177 "handle(0x%04x), flags!!!\n", ioc
->name
, handle
);
5178 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5182 /* check if there were any issues with discovery */
5183 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
5184 sas_device_pg0
.AccessStatus
)) {
5185 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5188 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5189 _scsih_ublock_io_device(ioc
, sas_address
);
5194 * _scsih_add_device - creating sas device object
5195 * @ioc: per adapter object
5196 * @handle: sas device handle
5197 * @phy_num: phy number end device attached to
5198 * @is_pd: is this hidden raid component
5200 * Creating end device object, stored in ioc->sas_device_list.
5202 * Returns 0 for success, non-zero for failure.
5205 _scsih_add_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, u8 phy_num
, u8 is_pd
)
5207 Mpi2ConfigReply_t mpi_reply
;
5208 Mpi2SasDevicePage0_t sas_device_pg0
;
5209 Mpi2SasEnclosurePage0_t enclosure_pg0
;
5210 struct _sas_device
*sas_device
;
5214 unsigned long flags
;
5216 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5217 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
5218 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5219 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5223 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5224 MPI2_IOCSTATUS_MASK
;
5225 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5226 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5227 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5231 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
5233 /* check if device is present */
5234 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
5235 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
5236 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5237 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5238 printk(MPT2SAS_ERR_FMT
"Flags = 0x%04x\n",
5239 ioc
->name
, le16_to_cpu(sas_device_pg0
.Flags
));
5243 /* check if there were any issues with discovery */
5244 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
5245 sas_device_pg0
.AccessStatus
))
5248 /* check if this is end device */
5249 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
5250 if (!(_scsih_is_end_device(device_info
))) {
5251 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5252 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5257 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5258 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
5260 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5265 sas_device
= kzalloc(sizeof(struct _sas_device
),
5268 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5269 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5273 sas_device
->handle
= handle
;
5274 if (_scsih_get_sas_address(ioc
, le16_to_cpu
5275 (sas_device_pg0
.ParentDevHandle
),
5276 &sas_device
->sas_address_parent
) != 0)
5277 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5278 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5279 sas_device
->enclosure_handle
=
5280 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
5282 le16_to_cpu(sas_device_pg0
.Slot
);
5283 sas_device
->device_info
= device_info
;
5284 sas_device
->sas_address
= sas_address
;
5285 sas_device
->phy
= sas_device_pg0
.PhyNum
;
5287 /* get enclosure_logical_id */
5288 if (sas_device
->enclosure_handle
&& !(mpt2sas_config_get_enclosure_pg0(
5289 ioc
, &mpi_reply
, &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
5290 sas_device
->enclosure_handle
)))
5291 sas_device
->enclosure_logical_id
=
5292 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
5294 /* get device name */
5295 sas_device
->device_name
= le64_to_cpu(sas_device_pg0
.DeviceName
);
5297 if (ioc
->wait_for_discovery_to_complete
)
5298 _scsih_sas_device_init_add(ioc
, sas_device
);
5300 _scsih_sas_device_add(ioc
, sas_device
);
5306 * _scsih_remove_device - removing sas device object
5307 * @ioc: per adapter object
5308 * @sas_device_delete: the sas_device object
5313 _scsih_remove_device(struct MPT2SAS_ADAPTER
*ioc
,
5314 struct _sas_device
*sas_device
)
5316 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5318 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter: "
5319 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
5320 sas_device
->handle
, (unsigned long long)
5321 sas_device
->sas_address
));
5323 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
5324 sas_target_priv_data
= sas_device
->starget
->hostdata
;
5325 sas_target_priv_data
->deleted
= 1;
5326 _scsih_ublock_io_device(ioc
, sas_device
->sas_address
);
5327 sas_target_priv_data
->handle
=
5328 MPT2SAS_INVALID_DEVICE_HANDLE
;
5331 if (!ioc
->hide_drives
)
5332 mpt2sas_transport_port_remove(ioc
,
5333 sas_device
->sas_address
,
5334 sas_device
->sas_address_parent
);
5336 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), sas_addr"
5337 "(0x%016llx)\n", ioc
->name
, sas_device
->handle
,
5338 (unsigned long long) sas_device
->sas_address
);
5340 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: exit: "
5341 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
5342 sas_device
->handle
, (unsigned long long)
5343 sas_device
->sas_address
));
5347 * _scsih_device_remove_by_handle - removing device object by handle
5348 * @ioc: per adapter object
5349 * @handle: device handle
5354 _scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
5356 struct _sas_device
*sas_device
;
5357 unsigned long flags
;
5359 if (ioc
->shost_recovery
)
5362 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5363 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5365 list_del(&sas_device
->list
);
5366 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5368 _scsih_remove_device(ioc
, sas_device
);
5372 * mpt2sas_device_remove_by_sas_address - removing device object by sas address
5373 * @ioc: per adapter object
5374 * @sas_address: device sas_address
5379 mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
5382 struct _sas_device
*sas_device
;
5383 unsigned long flags
;
5385 if (ioc
->shost_recovery
)
5388 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5389 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
5392 list_del(&sas_device
->list
);
5393 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5395 _scsih_remove_device(ioc
, sas_device
);
5397 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5399 * _scsih_sas_topology_change_event_debug - debug for topology event
5400 * @ioc: per adapter object
5401 * @event_data: event data payload
5405 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5406 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
5412 char *status_str
= NULL
;
5413 u8 link_rate
, prev_link_rate
;
5415 switch (event_data
->ExpStatus
) {
5416 case MPI2_EVENT_SAS_TOPO_ES_ADDED
:
5419 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
:
5420 status_str
= "remove";
5422 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING
:
5424 status_str
= "responding";
5426 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
:
5427 status_str
= "remove delay";
5430 status_str
= "unknown status";
5433 printk(MPT2SAS_INFO_FMT
"sas topology change: (%s)\n",
5434 ioc
->name
, status_str
);
5435 printk(KERN_INFO
"\thandle(0x%04x), enclosure_handle(0x%04x) "
5436 "start_phy(%02d), count(%d)\n",
5437 le16_to_cpu(event_data
->ExpanderDevHandle
),
5438 le16_to_cpu(event_data
->EnclosureHandle
),
5439 event_data
->StartPhyNum
, event_data
->NumEntries
);
5440 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
5441 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
5444 phy_number
= event_data
->StartPhyNum
+ i
;
5445 reason_code
= event_data
->PHY
[i
].PhyStatus
&
5446 MPI2_EVENT_SAS_TOPO_RC_MASK
;
5447 switch (reason_code
) {
5448 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
5449 status_str
= "target add";
5451 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5452 status_str
= "target remove";
5454 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
:
5455 status_str
= "delay target remove";
5457 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5458 status_str
= "link rate change";
5460 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE
:
5461 status_str
= "target responding";
5464 status_str
= "unknown";
5467 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5468 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5469 printk(KERN_INFO
"\tphy(%02d), attached_handle(0x%04x): %s:"
5470 " link rate: new(0x%02x), old(0x%02x)\n", phy_number
,
5471 handle
, status_str
, link_rate
, prev_link_rate
);
5478 * _scsih_sas_topology_change_event - handle topology changes
5479 * @ioc: per adapter object
5480 * @fw_event: The fw_event_work object
5485 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5486 struct fw_event_work
*fw_event
)
5489 u16 parent_handle
, handle
;
5491 u8 phy_number
, max_phys
;
5492 struct _sas_node
*sas_expander
;
5494 unsigned long flags
;
5495 u8 link_rate
, prev_link_rate
;
5496 Mpi2EventDataSasTopologyChangeList_t
*event_data
= fw_event
->event_data
;
5498 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5499 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5500 _scsih_sas_topology_change_event_debug(ioc
, event_data
);
5503 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
5506 if (!ioc
->sas_hba
.num_phys
)
5507 _scsih_sas_host_add(ioc
);
5509 _scsih_sas_host_refresh(ioc
);
5511 if (fw_event
->ignore
) {
5512 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"ignoring expander "
5513 "event\n", ioc
->name
));
5517 parent_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
5519 /* handle expander add */
5520 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_ADDED
)
5521 if (_scsih_expander_add(ioc
, parent_handle
) != 0)
5524 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5525 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
5528 sas_address
= sas_expander
->sas_address
;
5529 max_phys
= sas_expander
->num_phys
;
5530 } else if (parent_handle
< ioc
->sas_hba
.num_phys
) {
5531 sas_address
= ioc
->sas_hba
.sas_address
;
5532 max_phys
= ioc
->sas_hba
.num_phys
;
5534 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5537 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5539 /* handle siblings events */
5540 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
5541 if (fw_event
->ignore
) {
5542 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"ignoring "
5543 "expander event\n", ioc
->name
));
5546 if (ioc
->shost_recovery
|| ioc
->remove_host
||
5547 ioc
->pci_error_recovery
)
5549 phy_number
= event_data
->StartPhyNum
+ i
;
5550 if (phy_number
>= max_phys
)
5552 reason_code
= event_data
->PHY
[i
].PhyStatus
&
5553 MPI2_EVENT_SAS_TOPO_RC_MASK
;
5554 if ((event_data
->PHY
[i
].PhyStatus
&
5555 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
) && (reason_code
!=
5556 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
))
5558 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
5561 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5562 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5563 switch (reason_code
) {
5564 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5566 if (ioc
->shost_recovery
)
5569 if (link_rate
== prev_link_rate
)
5572 mpt2sas_transport_update_links(ioc
, sas_address
,
5573 handle
, phy_number
, link_rate
);
5575 if (link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
5578 _scsih_check_device(ioc
, handle
);
5580 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
5582 if (ioc
->shost_recovery
)
5585 mpt2sas_transport_update_links(ioc
, sas_address
,
5586 handle
, phy_number
, link_rate
);
5588 _scsih_add_device(ioc
, handle
, phy_number
, 0);
5590 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5592 _scsih_device_remove_by_handle(ioc
, handle
);
5597 /* handle expander removal */
5598 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
&&
5600 mpt2sas_expander_remove(ioc
, sas_address
);
5604 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5606 * _scsih_sas_device_status_change_event_debug - debug for device event
5607 * @event_data: event data payload
5613 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5614 Mpi2EventDataSasDeviceStatusChange_t
*event_data
)
5616 char *reason_str
= NULL
;
5618 switch (event_data
->ReasonCode
) {
5619 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
:
5620 reason_str
= "smart data";
5622 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED
:
5623 reason_str
= "unsupported device discovered";
5625 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
:
5626 reason_str
= "internal device reset";
5628 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL
:
5629 reason_str
= "internal task abort";
5631 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL
:
5632 reason_str
= "internal task abort set";
5634 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL
:
5635 reason_str
= "internal clear task set";
5637 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL
:
5638 reason_str
= "internal query task";
5640 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE
:
5641 reason_str
= "sata init failure";
5643 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
:
5644 reason_str
= "internal device reset complete";
5646 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL
:
5647 reason_str
= "internal task abort complete";
5649 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION
:
5650 reason_str
= "internal async notification";
5652 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY
:
5653 reason_str
= "expander reduced functionality";
5655 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY
:
5656 reason_str
= "expander reduced functionality complete";
5659 reason_str
= "unknown reason";
5662 printk(MPT2SAS_INFO_FMT
"device status change: (%s)\n"
5663 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5664 ioc
->name
, reason_str
, le16_to_cpu(event_data
->DevHandle
),
5665 (unsigned long long)le64_to_cpu(event_data
->SASAddress
),
5666 le16_to_cpu(event_data
->TaskTag
));
5667 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
)
5668 printk(MPT2SAS_INFO_FMT
", ASC(0x%x), ASCQ(0x%x)\n", ioc
->name
,
5669 event_data
->ASC
, event_data
->ASCQ
);
5670 printk(KERN_INFO
"\n");
5675 * _scsih_sas_device_status_change_event - handle device status change
5676 * @ioc: per adapter object
5677 * @fw_event: The fw_event_work object
5683 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5684 struct fw_event_work
*fw_event
)
5686 struct MPT2SAS_TARGET
*target_priv_data
;
5687 struct _sas_device
*sas_device
;
5689 unsigned long flags
;
5690 Mpi2EventDataSasDeviceStatusChange_t
*event_data
=
5691 fw_event
->event_data
;
5693 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5694 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5695 _scsih_sas_device_status_change_event_debug(ioc
,
5699 /* In MPI Revision K (0xC), the internal device reset complete was
5700 * implemented, so avoid setting tm_busy flag for older firmware.
5702 if ((ioc
->facts
.HeaderVersion
>> 8) < 0xC)
5705 if (event_data
->ReasonCode
!=
5706 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
&&
5707 event_data
->ReasonCode
!=
5708 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
)
5711 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5712 sas_address
= le64_to_cpu(event_data
->SASAddress
);
5713 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
5716 if (!sas_device
|| !sas_device
->starget
) {
5717 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5721 target_priv_data
= sas_device
->starget
->hostdata
;
5722 if (!target_priv_data
) {
5723 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5727 if (event_data
->ReasonCode
==
5728 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
)
5729 target_priv_data
->tm_busy
= 1;
5731 target_priv_data
->tm_busy
= 0;
5732 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5735 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5737 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
5738 * @ioc: per adapter object
5739 * @event_data: event data payload
5745 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5746 Mpi2EventDataSasEnclDevStatusChange_t
*event_data
)
5748 char *reason_str
= NULL
;
5750 switch (event_data
->ReasonCode
) {
5751 case MPI2_EVENT_SAS_ENCL_RC_ADDED
:
5752 reason_str
= "enclosure add";
5754 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING
:
5755 reason_str
= "enclosure remove";
5758 reason_str
= "unknown reason";
5762 printk(MPT2SAS_INFO_FMT
"enclosure status change: (%s)\n"
5763 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5764 " number slots(%d)\n", ioc
->name
, reason_str
,
5765 le16_to_cpu(event_data
->EnclosureHandle
),
5766 (unsigned long long)le64_to_cpu(event_data
->EnclosureLogicalID
),
5767 le16_to_cpu(event_data
->StartSlot
));
5772 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5773 * @ioc: per adapter object
5774 * @fw_event: The fw_event_work object
5780 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5781 struct fw_event_work
*fw_event
)
5783 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5784 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5785 _scsih_sas_enclosure_dev_status_change_event_debug(ioc
,
5786 fw_event
->event_data
);
5791 * _scsih_sas_broadcast_primitive_event - handle broadcast events
5792 * @ioc: per adapter object
5793 * @fw_event: The fw_event_work object
5799 _scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER
*ioc
,
5800 struct fw_event_work
*fw_event
)
5802 struct scsi_cmnd
*scmd
;
5803 struct scsi_device
*sdev
;
5806 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
5807 u32 termination_count
;
5809 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
5810 Mpi2EventDataSasBroadcastPrimitive_t
*event_data
= fw_event
->event_data
;
5812 unsigned long flags
;
5815 u8 task_abort_retries
;
5817 mutex_lock(&ioc
->tm_cmds
.mutex
);
5819 "%s: enter: phy number(%d), width(%d)\n",
5820 ioc
->name
, __func__
, event_data
->PhyNum
,
5821 event_data
->PortWidth
);
5823 _scsih_block_io_all_device(ioc
);
5825 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5826 mpi_reply
= ioc
->tm_cmds
.reply
;
5827 broadcast_aen_retry
:
5829 /* sanity checks for retrying this loop */
5830 if (max_retries
++ == 5) {
5831 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: giving up\n",
5832 ioc
->name
, __func__
));
5834 } else if (max_retries
> 1)
5835 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: %d retry\n",
5836 ioc
->name
, __func__
, max_retries
- 1));
5838 termination_count
= 0;
5840 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
5841 if (ioc
->shost_recovery
)
5843 scmd
= _scsih_scsi_lookup_get(ioc
, smid
);
5846 sdev
= scmd
->device
;
5847 sas_device_priv_data
= sdev
->hostdata
;
5848 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
)
5850 /* skip hidden raid components */
5851 if (sas_device_priv_data
->sas_target
->flags
&
5852 MPT_TARGET_FLAGS_RAID_COMPONENT
)
5855 if (sas_device_priv_data
->sas_target
->flags
&
5856 MPT_TARGET_FLAGS_VOLUME
)
5859 handle
= sas_device_priv_data
->sas_target
->handle
;
5860 lun
= sas_device_priv_data
->lun
;
5863 if (ioc
->shost_recovery
)
5866 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
5867 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, 0, 0, lun
,
5868 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
, smid
, 30, 0,
5871 sdev_printk(KERN_WARNING
, sdev
,
5872 "mpt2sas_scsih_issue_tm: FAILED when sending "
5873 "QUERY_TASK: scmd(%p)\n", scmd
);
5874 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5875 goto broadcast_aen_retry
;
5877 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
)
5878 & MPI2_IOCSTATUS_MASK
;
5879 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5880 sdev_printk(KERN_WARNING
, sdev
, "query task: FAILED "
5881 "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status
,
5883 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5884 goto broadcast_aen_retry
;
5887 /* see if IO is still owned by IOC and target */
5888 if (mpi_reply
->ResponseCode
==
5889 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
||
5890 mpi_reply
->ResponseCode
==
5891 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
) {
5892 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5895 task_abort_retries
= 0;
5897 if (task_abort_retries
++ == 60) {
5898 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
5899 "%s: ABORT_TASK: giving up\n", ioc
->name
,
5901 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5902 goto broadcast_aen_retry
;
5905 if (ioc
->shost_recovery
)
5908 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, sdev
->channel
, sdev
->id
,
5909 sdev
->lun
, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30,
5910 scmd
->serial_number
, TM_MUTEX_OFF
);
5912 sdev_printk(KERN_WARNING
, sdev
,
5913 "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : "
5914 "scmd(%p)\n", scmd
);
5918 if (task_abort_retries
> 1)
5919 sdev_printk(KERN_WARNING
, sdev
,
5920 "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
5922 task_abort_retries
- 1, scmd
);
5924 termination_count
+= le32_to_cpu(mpi_reply
->TerminationCount
);
5925 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
5928 if (ioc
->broadcast_aen_pending
) {
5929 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: loop back due to"
5930 " pending AEN\n", ioc
->name
, __func__
));
5931 ioc
->broadcast_aen_pending
= 0;
5932 goto broadcast_aen_retry
;
5936 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
5939 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
5940 "%s - exit, query_count = %d termination_count = %d\n",
5941 ioc
->name
, __func__
, query_count
, termination_count
));
5943 ioc
->broadcast_aen_busy
= 0;
5944 if (!ioc
->shost_recovery
)
5945 _scsih_ublock_io_all_device(ioc
);
5946 mutex_unlock(&ioc
->tm_cmds
.mutex
);
5950 * _scsih_sas_discovery_event - handle discovery events
5951 * @ioc: per adapter object
5952 * @fw_event: The fw_event_work object
5958 _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER
*ioc
,
5959 struct fw_event_work
*fw_event
)
5961 Mpi2EventDataSasDiscovery_t
*event_data
= fw_event
->event_data
;
5963 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5964 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
) {
5965 printk(MPT2SAS_INFO_FMT
"discovery event: (%s)", ioc
->name
,
5966 (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
) ?
5968 if (event_data
->DiscoveryStatus
)
5969 printk("discovery_status(0x%08x)",
5970 le32_to_cpu(event_data
->DiscoveryStatus
));
5975 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DISC_RC_STARTED
&&
5976 !ioc
->sas_hba
.num_phys
) {
5977 if (disable_discovery
> 0 && ioc
->shost_recovery
) {
5978 /* Wait for the reset to complete */
5979 while (ioc
->shost_recovery
)
5982 _scsih_sas_host_add(ioc
);
5987 * _scsih_reprobe_lun - reprobing lun
5988 * @sdev: scsi device struct
5989 * @no_uld_attach: sdev->no_uld_attach flag setting
5993 _scsih_reprobe_lun(struct scsi_device
*sdev
, void *no_uld_attach
)
5997 sdev
->no_uld_attach
= no_uld_attach
? 1 : 0;
5998 sdev_printk(KERN_INFO
, sdev
, "%s raid component\n",
5999 sdev
->no_uld_attach
? "hidding" : "exposing");
6000 rc
= scsi_device_reprobe(sdev
);
6004 * _scsih_sas_volume_add - add new volume
6005 * @ioc: per adapter object
6006 * @element: IR config element data
6012 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER
*ioc
,
6013 Mpi2EventIrConfigElement_t
*element
)
6015 struct _raid_device
*raid_device
;
6016 unsigned long flags
;
6018 u16 handle
= le16_to_cpu(element
->VolDevHandle
);
6021 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
6023 printk(MPT2SAS_ERR_FMT
6024 "failure at %s:%d/%s()!\n", ioc
->name
,
6025 __FILE__
, __LINE__
, __func__
);
6029 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6030 raid_device
= _scsih_raid_device_find_by_wwid(ioc
, wwid
);
6031 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6036 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
6038 printk(MPT2SAS_ERR_FMT
6039 "failure at %s:%d/%s()!\n", ioc
->name
,
6040 __FILE__
, __LINE__
, __func__
);
6044 raid_device
->id
= ioc
->sas_id
++;
6045 raid_device
->channel
= RAID_CHANNEL
;
6046 raid_device
->handle
= handle
;
6047 raid_device
->wwid
= wwid
;
6048 _scsih_raid_device_add(ioc
, raid_device
);
6049 if (!ioc
->wait_for_discovery_to_complete
) {
6050 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6051 raid_device
->id
, 0);
6053 _scsih_raid_device_remove(ioc
, raid_device
);
6055 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6056 _scsih_determine_boot_device(ioc
, raid_device
, 1);
6057 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6062 * _scsih_sas_volume_delete - delete volume
6063 * @ioc: per adapter object
6064 * @handle: volume device handle
6070 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
6072 struct _raid_device
*raid_device
;
6073 unsigned long flags
;
6074 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6075 struct scsi_target
*starget
= NULL
;
6077 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6078 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6080 if (raid_device
->starget
) {
6081 starget
= raid_device
->starget
;
6082 sas_target_priv_data
= starget
->hostdata
;
6083 sas_target_priv_data
->deleted
= 1;
6085 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
6086 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
6087 (unsigned long long) raid_device
->wwid
);
6088 list_del(&raid_device
->list
);
6091 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6093 scsi_remove_target(&starget
->dev
);
6097 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6098 * @ioc: per adapter object
6099 * @element: IR config element data
6105 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER
*ioc
,
6106 Mpi2EventIrConfigElement_t
*element
)
6108 struct _sas_device
*sas_device
;
6109 struct scsi_target
*starget
= NULL
;
6110 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6111 unsigned long flags
;
6112 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6114 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6115 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6117 sas_device
->volume_handle
= 0;
6118 sas_device
->volume_wwid
= 0;
6119 clear_bit(handle
, ioc
->pd_handles
);
6120 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
6121 starget
= sas_device
->starget
;
6122 sas_target_priv_data
= starget
->hostdata
;
6123 sas_target_priv_data
->flags
&=
6124 ~MPT_TARGET_FLAGS_RAID_COMPONENT
;
6127 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6131 /* exposing raid component */
6133 starget_for_each_device(starget
, NULL
, _scsih_reprobe_lun
);
6137 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6138 * @ioc: per adapter object
6139 * @element: IR config element data
6145 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER
*ioc
,
6146 Mpi2EventIrConfigElement_t
*element
)
6148 struct _sas_device
*sas_device
;
6149 struct scsi_target
*starget
= NULL
;
6150 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6151 unsigned long flags
;
6152 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6153 u16 volume_handle
= 0;
6154 u64 volume_wwid
= 0;
6156 mpt2sas_config_get_volume_handle(ioc
, handle
, &volume_handle
);
6158 mpt2sas_config_get_volume_wwid(ioc
, volume_handle
,
6161 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6162 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6164 set_bit(handle
, ioc
->pd_handles
);
6165 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
6166 starget
= sas_device
->starget
;
6167 sas_target_priv_data
= starget
->hostdata
;
6168 sas_target_priv_data
->flags
|=
6169 MPT_TARGET_FLAGS_RAID_COMPONENT
;
6170 sas_device
->volume_handle
= volume_handle
;
6171 sas_device
->volume_wwid
= volume_wwid
;
6174 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6178 /* hiding raid component */
6180 starget_for_each_device(starget
, (void *)1, _scsih_reprobe_lun
);
6184 * _scsih_sas_pd_delete - delete pd component
6185 * @ioc: per adapter object
6186 * @element: IR config element data
6192 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER
*ioc
,
6193 Mpi2EventIrConfigElement_t
*element
)
6195 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6197 _scsih_device_remove_by_handle(ioc
, handle
);
6201 * _scsih_sas_pd_add - remove pd component
6202 * @ioc: per adapter object
6203 * @element: IR config element data
6209 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER
*ioc
,
6210 Mpi2EventIrConfigElement_t
*element
)
6212 struct _sas_device
*sas_device
;
6213 unsigned long flags
;
6214 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6215 Mpi2ConfigReply_t mpi_reply
;
6216 Mpi2SasDevicePage0_t sas_device_pg0
;
6221 set_bit(handle
, ioc
->pd_handles
);
6223 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6224 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6225 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6229 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
6230 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
6231 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6232 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6236 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6237 MPI2_IOCSTATUS_MASK
;
6238 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6239 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6240 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6244 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6245 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
6246 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
6247 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6249 _scsih_add_device(ioc
, handle
, 0, 1);
6252 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6254 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6255 * @ioc: per adapter object
6256 * @event_data: event data payload
6262 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
6263 Mpi2EventDataIrConfigChangeList_t
*event_data
)
6265 Mpi2EventIrConfigElement_t
*element
;
6268 char *reason_str
= NULL
, *element_str
= NULL
;
6270 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
6272 printk(MPT2SAS_INFO_FMT
"raid config change: (%s), elements(%d)\n",
6273 ioc
->name
, (le32_to_cpu(event_data
->Flags
) &
6274 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ?
6275 "foreign" : "native", event_data
->NumElements
);
6276 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6277 switch (element
->ReasonCode
) {
6278 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
6281 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
6282 reason_str
= "remove";
6284 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE
:
6285 reason_str
= "no change";
6287 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
6288 reason_str
= "hide";
6290 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
6291 reason_str
= "unhide";
6293 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
6294 reason_str
= "volume_created";
6296 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
6297 reason_str
= "volume_deleted";
6299 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
6300 reason_str
= "pd_created";
6302 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
6303 reason_str
= "pd_deleted";
6306 reason_str
= "unknown reason";
6309 element_type
= le16_to_cpu(element
->ElementFlags
) &
6310 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK
;
6311 switch (element_type
) {
6312 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT
:
6313 element_str
= "volume";
6315 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT
:
6316 element_str
= "phys disk";
6318 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT
:
6319 element_str
= "hot spare";
6322 element_str
= "unknown element";
6325 printk(KERN_INFO
"\t(%s:%s), vol handle(0x%04x), "
6326 "pd handle(0x%04x), pd num(0x%02x)\n", element_str
,
6327 reason_str
, le16_to_cpu(element
->VolDevHandle
),
6328 le16_to_cpu(element
->PhysDiskDevHandle
),
6329 element
->PhysDiskNum
);
6335 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6336 * @ioc: per adapter object
6337 * @fw_event: The fw_event_work object
6343 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER
*ioc
,
6344 struct fw_event_work
*fw_event
)
6346 Mpi2EventIrConfigElement_t
*element
;
6349 Mpi2EventDataIrConfigChangeList_t
*event_data
= fw_event
->event_data
;
6351 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6352 if ((ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6353 && !ioc
->hide_ir_msg
)
6354 _scsih_sas_ir_config_change_event_debug(ioc
, event_data
);
6358 if (ioc
->shost_recovery
)
6361 foreign_config
= (le32_to_cpu(event_data
->Flags
) &
6362 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ? 1 : 0;
6364 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
6365 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6367 switch (element
->ReasonCode
) {
6368 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
6369 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
6370 if (!foreign_config
)
6371 _scsih_sas_volume_add(ioc
, element
);
6373 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
6374 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
6375 if (!foreign_config
)
6376 _scsih_sas_volume_delete(ioc
,
6377 le16_to_cpu(element
->VolDevHandle
));
6379 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
6380 if (!ioc
->is_warpdrive
)
6381 _scsih_sas_pd_hide(ioc
, element
);
6383 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
6384 if (!ioc
->is_warpdrive
)
6385 _scsih_sas_pd_expose(ioc
, element
);
6387 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
6388 if (!ioc
->is_warpdrive
)
6389 _scsih_sas_pd_add(ioc
, element
);
6391 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
6392 if (!ioc
->is_warpdrive
)
6393 _scsih_sas_pd_delete(ioc
, element
);
6400 * _scsih_sas_ir_volume_event - IR volume event
6401 * @ioc: per adapter object
6402 * @fw_event: The fw_event_work object
6408 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER
*ioc
,
6409 struct fw_event_work
*fw_event
)
6412 unsigned long flags
;
6413 struct _raid_device
*raid_device
;
6417 Mpi2EventDataIrVolume_t
*event_data
= fw_event
->event_data
;
6419 if (ioc
->shost_recovery
)
6422 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
6425 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6426 state
= le32_to_cpu(event_data
->NewValue
);
6427 if (!ioc
->hide_ir_msg
)
6428 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle(0x%04x), "
6429 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
6430 le32_to_cpu(event_data
->PreviousValue
), state
));
6433 case MPI2_RAID_VOL_STATE_MISSING
:
6434 case MPI2_RAID_VOL_STATE_FAILED
:
6435 _scsih_sas_volume_delete(ioc
, handle
);
6438 case MPI2_RAID_VOL_STATE_ONLINE
:
6439 case MPI2_RAID_VOL_STATE_DEGRADED
:
6440 case MPI2_RAID_VOL_STATE_OPTIMAL
:
6442 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6443 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6444 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6449 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
6451 printk(MPT2SAS_ERR_FMT
6452 "failure at %s:%d/%s()!\n", ioc
->name
,
6453 __FILE__
, __LINE__
, __func__
);
6457 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
6459 printk(MPT2SAS_ERR_FMT
6460 "failure at %s:%d/%s()!\n", ioc
->name
,
6461 __FILE__
, __LINE__
, __func__
);
6465 raid_device
->id
= ioc
->sas_id
++;
6466 raid_device
->channel
= RAID_CHANNEL
;
6467 raid_device
->handle
= handle
;
6468 raid_device
->wwid
= wwid
;
6469 _scsih_raid_device_add(ioc
, raid_device
);
6470 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6471 raid_device
->id
, 0);
6473 _scsih_raid_device_remove(ioc
, raid_device
);
6476 case MPI2_RAID_VOL_STATE_INITIALIZING
:
6483 * _scsih_sas_ir_physical_disk_event - PD event
6484 * @ioc: per adapter object
6485 * @fw_event: The fw_event_work object
6491 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER
*ioc
,
6492 struct fw_event_work
*fw_event
)
6494 u16 handle
, parent_handle
;
6496 struct _sas_device
*sas_device
;
6497 unsigned long flags
;
6498 Mpi2ConfigReply_t mpi_reply
;
6499 Mpi2SasDevicePage0_t sas_device_pg0
;
6501 Mpi2EventDataIrPhysicalDisk_t
*event_data
= fw_event
->event_data
;
6504 if (ioc
->shost_recovery
)
6507 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED
)
6510 handle
= le16_to_cpu(event_data
->PhysDiskDevHandle
);
6511 state
= le32_to_cpu(event_data
->NewValue
);
6513 if (!ioc
->hide_ir_msg
)
6514 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle(0x%04x), "
6515 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
6516 le32_to_cpu(event_data
->PreviousValue
), state
));
6519 case MPI2_RAID_PD_STATE_ONLINE
:
6520 case MPI2_RAID_PD_STATE_DEGRADED
:
6521 case MPI2_RAID_PD_STATE_REBUILDING
:
6522 case MPI2_RAID_PD_STATE_OPTIMAL
:
6523 case MPI2_RAID_PD_STATE_HOT_SPARE
:
6525 if (!ioc
->is_warpdrive
)
6526 set_bit(handle
, ioc
->pd_handles
);
6528 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6529 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6530 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6535 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6536 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
6538 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6539 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6543 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6544 MPI2_IOCSTATUS_MASK
;
6545 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6546 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6547 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6551 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6552 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
6553 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
6554 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6556 _scsih_add_device(ioc
, handle
, 0, 1);
6560 case MPI2_RAID_PD_STATE_OFFLINE
:
6561 case MPI2_RAID_PD_STATE_NOT_CONFIGURED
:
6562 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE
:
6568 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6570 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6571 * @ioc: per adapter object
6572 * @event_data: event data payload
6578 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
6579 Mpi2EventDataIrOperationStatus_t
*event_data
)
6581 char *reason_str
= NULL
;
6583 switch (event_data
->RAIDOperation
) {
6584 case MPI2_EVENT_IR_RAIDOP_RESYNC
:
6585 reason_str
= "resync";
6587 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION
:
6588 reason_str
= "online capacity expansion";
6590 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK
:
6591 reason_str
= "consistency check";
6593 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT
:
6594 reason_str
= "background init";
6596 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT
:
6597 reason_str
= "make data consistent";
6604 printk(MPT2SAS_INFO_FMT
"raid operational status: (%s)"
6605 "\thandle(0x%04x), percent complete(%d)\n",
6606 ioc
->name
, reason_str
,
6607 le16_to_cpu(event_data
->VolDevHandle
),
6608 event_data
->PercentComplete
);
6613 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6614 * @ioc: per adapter object
6615 * @fw_event: The fw_event_work object
6621 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER
*ioc
,
6622 struct fw_event_work
*fw_event
)
6624 Mpi2EventDataIrOperationStatus_t
*event_data
= fw_event
->event_data
;
6625 static struct _raid_device
*raid_device
;
6626 unsigned long flags
;
6629 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6630 if ((ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6631 && !ioc
->hide_ir_msg
)
6632 _scsih_sas_ir_operation_status_event_debug(ioc
,
6636 /* code added for raid transport support */
6637 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
) {
6639 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6640 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6641 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6643 raid_device
->percent_complete
=
6644 event_data
->PercentComplete
;
6645 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6650 * _scsih_prep_device_scan - initialize parameters prior to device scan
6651 * @ioc: per adapter object
6653 * Set the deleted flag prior to device scan. If the device is found during
6654 * the scan, then we clear the deleted flag.
6657 _scsih_prep_device_scan(struct MPT2SAS_ADAPTER
*ioc
)
6659 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
6660 struct scsi_device
*sdev
;
6662 shost_for_each_device(sdev
, ioc
->shost
) {
6663 sas_device_priv_data
= sdev
->hostdata
;
6664 if (sas_device_priv_data
&& sas_device_priv_data
->sas_target
)
6665 sas_device_priv_data
->sas_target
->deleted
= 1;
6670 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6671 * @ioc: per adapter object
6672 * @sas_address: sas address
6673 * @slot: enclosure slot id
6674 * @handle: device handle
6676 * After host reset, find out whether devices are still responding.
6677 * Used in _scsi_remove_unresponsive_sas_devices.
6682 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
6683 u16 slot
, u16 handle
)
6685 struct MPT2SAS_TARGET
*sas_target_priv_data
= NULL
;
6686 struct scsi_target
*starget
;
6687 struct _sas_device
*sas_device
;
6688 unsigned long flags
;
6690 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6691 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
6692 if (sas_device
->sas_address
== sas_address
&&
6693 sas_device
->slot
== slot
) {
6694 sas_device
->responding
= 1;
6695 starget
= sas_device
->starget
;
6696 if (starget
&& starget
->hostdata
) {
6697 sas_target_priv_data
= starget
->hostdata
;
6698 sas_target_priv_data
->tm_busy
= 0;
6699 sas_target_priv_data
->deleted
= 0;
6701 sas_target_priv_data
= NULL
;
6703 starget_printk(KERN_INFO
, starget
,
6704 "handle(0x%04x), sas_addr(0x%016llx), "
6705 "enclosure logical id(0x%016llx), "
6706 "slot(%d)\n", handle
,
6707 (unsigned long long)sas_device
->sas_address
,
6708 (unsigned long long)
6709 sas_device
->enclosure_logical_id
,
6711 if (sas_device
->handle
== handle
)
6713 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
6714 sas_device
->handle
);
6715 sas_device
->handle
= handle
;
6716 if (sas_target_priv_data
)
6717 sas_target_priv_data
->handle
= handle
;
6722 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6726 * _scsih_search_responding_sas_devices -
6727 * @ioc: per adapter object
6729 * After host reset, find out whether devices are still responding.
6735 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
6737 Mpi2SasDevicePage0_t sas_device_pg0
;
6738 Mpi2ConfigReply_t mpi_reply
;
6745 printk(MPT2SAS_INFO_FMT
"search for end-devices: start\n", ioc
->name
);
6747 if (list_empty(&ioc
->sas_device_list
))
6751 while (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6752 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
6754 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6755 MPI2_IOCSTATUS_MASK
;
6756 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6758 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
6759 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
6760 if (!(_scsih_is_end_device(device_info
)))
6762 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
6763 slot
= le16_to_cpu(sas_device_pg0
.Slot
);
6764 _scsih_mark_responding_sas_device(ioc
, sas_address
, slot
,
6768 printk(MPT2SAS_INFO_FMT
"search for end-devices: complete\n",
6773 * _scsih_mark_responding_raid_device - mark a raid_device as responding
6774 * @ioc: per adapter object
6775 * @wwid: world wide identifier for raid volume
6776 * @handle: device handle
6778 * After host reset, find out whether devices are still responding.
6779 * Used in _scsi_remove_unresponsive_raid_devices.
6784 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
,
6787 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6788 struct scsi_target
*starget
;
6789 struct _raid_device
*raid_device
;
6790 unsigned long flags
;
6792 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6793 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
6794 if (raid_device
->wwid
== wwid
&& raid_device
->starget
) {
6795 starget
= raid_device
->starget
;
6796 if (starget
&& starget
->hostdata
) {
6797 sas_target_priv_data
= starget
->hostdata
;
6798 sas_target_priv_data
->deleted
= 0;
6800 sas_target_priv_data
= NULL
;
6801 raid_device
->responding
= 1;
6802 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6803 starget_printk(KERN_INFO
, raid_device
->starget
,
6804 "handle(0x%04x), wwid(0x%016llx)\n", handle
,
6805 (unsigned long long)raid_device
->wwid
);
6807 * WARPDRIVE: The handles of the PDs might have changed
6808 * across the host reset so re-initialize the
6809 * required data for Direct IO
6811 _scsih_init_warpdrive_properties(ioc
, raid_device
);
6812 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6813 if (raid_device
->handle
== handle
) {
6814 spin_unlock_irqrestore(&ioc
->raid_device_lock
,
6818 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
6819 raid_device
->handle
);
6820 raid_device
->handle
= handle
;
6821 if (sas_target_priv_data
)
6822 sas_target_priv_data
->handle
= handle
;
6823 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6828 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6832 * _scsih_search_responding_raid_devices -
6833 * @ioc: per adapter object
6835 * After host reset, find out whether devices are still responding.
6841 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER
*ioc
)
6843 Mpi2RaidVolPage1_t volume_pg1
;
6844 Mpi2RaidVolPage0_t volume_pg0
;
6845 Mpi2RaidPhysDiskPage0_t pd_pg0
;
6846 Mpi2ConfigReply_t mpi_reply
;
6851 if (!ioc
->ir_firmware
)
6854 printk(MPT2SAS_INFO_FMT
"search for raid volumes: start\n",
6857 if (list_empty(&ioc
->raid_device_list
))
6861 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
6862 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
6863 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6864 MPI2_IOCSTATUS_MASK
;
6865 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6867 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
6869 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
6870 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
6871 sizeof(Mpi2RaidVolPage0_t
)))
6874 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
6875 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
6876 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
)
6877 _scsih_mark_responding_raid_device(ioc
,
6878 le64_to_cpu(volume_pg1
.WWID
), handle
);
6881 /* refresh the pd_handles */
6882 if (!ioc
->is_warpdrive
) {
6883 phys_disk_num
= 0xFF;
6884 memset(ioc
->pd_handles
, 0, ioc
->pd_handles_sz
);
6885 while (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
6886 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
6888 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6889 MPI2_IOCSTATUS_MASK
;
6890 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6892 phys_disk_num
= pd_pg0
.PhysDiskNum
;
6893 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
6894 set_bit(handle
, ioc
->pd_handles
);
6898 printk(MPT2SAS_INFO_FMT
"search for responding raid volumes: "
6899 "complete\n", ioc
->name
);
6903 * _scsih_mark_responding_expander - mark a expander as responding
6904 * @ioc: per adapter object
6905 * @sas_address: sas address
6908 * After host reset, find out whether devices are still responding.
6909 * Used in _scsi_remove_unresponsive_expanders.
6914 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
6917 struct _sas_node
*sas_expander
;
6918 unsigned long flags
;
6921 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6922 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
6923 if (sas_expander
->sas_address
!= sas_address
)
6925 sas_expander
->responding
= 1;
6926 if (sas_expander
->handle
== handle
)
6928 printk(KERN_INFO
"\texpander(0x%016llx): handle changed"
6929 " from(0x%04x) to (0x%04x)!!!\n",
6930 (unsigned long long)sas_expander
->sas_address
,
6931 sas_expander
->handle
, handle
);
6932 sas_expander
->handle
= handle
;
6933 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++)
6934 sas_expander
->phy
[i
].handle
= handle
;
6938 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6942 * _scsih_search_responding_expanders -
6943 * @ioc: per adapter object
6945 * After host reset, find out whether devices are still responding.
6951 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER
*ioc
)
6953 Mpi2ExpanderPage0_t expander_pg0
;
6954 Mpi2ConfigReply_t mpi_reply
;
6959 printk(MPT2SAS_INFO_FMT
"search for expanders: start\n", ioc
->name
);
6961 if (list_empty(&ioc
->sas_expander_list
))
6965 while (!(mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
6966 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
6968 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6969 MPI2_IOCSTATUS_MASK
;
6970 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6973 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
6974 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
6975 printk(KERN_INFO
"\texpander present: handle(0x%04x), "
6976 "sas_addr(0x%016llx)\n", handle
,
6977 (unsigned long long)sas_address
);
6978 _scsih_mark_responding_expander(ioc
, sas_address
, handle
);
6982 printk(MPT2SAS_INFO_FMT
"search for expanders: complete\n", ioc
->name
);
6986 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
6987 * @ioc: per adapter object
6992 _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
6994 struct _sas_device
*sas_device
, *sas_device_next
;
6995 struct _sas_node
*sas_expander
, *sas_expander_next
;
6996 struct _raid_device
*raid_device
, *raid_device_next
;
6997 struct list_head tmp_list
;
6998 unsigned long flags
;
7000 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: start\n",
7003 /* removing unresponding end devices */
7004 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: end-devices\n",
7006 list_for_each_entry_safe(sas_device
, sas_device_next
,
7007 &ioc
->sas_device_list
, list
) {
7008 if (!sas_device
->responding
)
7009 mpt2sas_device_remove_by_sas_address(ioc
,
7010 sas_device
->sas_address
);
7012 sas_device
->responding
= 0;
7015 /* removing unresponding volumes */
7016 if (ioc
->ir_firmware
) {
7017 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: "
7018 "volumes\n", ioc
->name
);
7019 list_for_each_entry_safe(raid_device
, raid_device_next
,
7020 &ioc
->raid_device_list
, list
) {
7021 if (!raid_device
->responding
)
7022 _scsih_sas_volume_delete(ioc
,
7023 raid_device
->handle
);
7025 raid_device
->responding
= 0;
7028 /* removing unresponding expanders */
7029 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: expanders\n",
7031 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
7032 INIT_LIST_HEAD(&tmp_list
);
7033 list_for_each_entry_safe(sas_expander
, sas_expander_next
,
7034 &ioc
->sas_expander_list
, list
) {
7035 if (!sas_expander
->responding
)
7036 list_move_tail(&sas_expander
->list
, &tmp_list
);
7038 sas_expander
->responding
= 0;
7040 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
7041 list_for_each_entry_safe(sas_expander
, sas_expander_next
, &tmp_list
,
7043 list_del(&sas_expander
->list
);
7044 _scsih_expander_node_remove(ioc
, sas_expander
);
7046 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: complete\n",
7048 /* unblock devices */
7049 _scsih_ublock_io_all_device(ioc
);
7053 _scsih_refresh_expander_links(struct MPT2SAS_ADAPTER
*ioc
,
7054 struct _sas_node
*sas_expander
, u16 handle
)
7056 Mpi2ExpanderPage1_t expander_pg1
;
7057 Mpi2ConfigReply_t mpi_reply
;
7060 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
7061 if ((mpt2sas_config_get_expander_pg1(ioc
, &mpi_reply
,
7062 &expander_pg1
, i
, handle
))) {
7063 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
7064 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7068 mpt2sas_transport_update_links(ioc
, sas_expander
->sas_address
,
7069 le16_to_cpu(expander_pg1
.AttachedDevHandle
), i
,
7070 expander_pg1
.NegotiatedLinkRate
>> 4);
7075 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7076 * @ioc: per adapter object
7081 _scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER
*ioc
)
7083 Mpi2ExpanderPage0_t expander_pg0
;
7084 Mpi2SasDevicePage0_t sas_device_pg0
;
7085 Mpi2RaidVolPage1_t volume_pg1
;
7086 Mpi2RaidVolPage0_t volume_pg0
;
7087 Mpi2RaidPhysDiskPage0_t pd_pg0
;
7088 Mpi2EventIrConfigElement_t element
;
7089 Mpi2ConfigReply_t mpi_reply
;
7092 u16 handle
, parent_handle
;
7094 struct _sas_device
*sas_device
;
7095 struct _sas_node
*expander_device
;
7096 static struct _raid_device
*raid_device
;
7098 unsigned long flags
;
7100 printk(MPT2SAS_INFO_FMT
"scan devices: start\n", ioc
->name
);
7102 _scsih_sas_host_refresh(ioc
);
7104 printk(MPT2SAS_INFO_FMT
"\tscan devices: expanders start\n",
7108 while (!(mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
7109 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
7110 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7111 MPI2_IOCSTATUS_MASK
;
7112 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
7114 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7115 printk(MPT2SAS_INFO_FMT
"\tbreak from expander scan: "
7116 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7117 ioc
->name
, ioc_status
,
7118 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7121 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
7122 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
7123 expander_device
= mpt2sas_scsih_expander_find_by_sas_address(
7124 ioc
, le64_to_cpu(expander_pg0
.SASAddress
));
7125 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
7126 if (expander_device
)
7127 _scsih_refresh_expander_links(ioc
, expander_device
,
7130 printk(MPT2SAS_INFO_FMT
"\tBEFORE adding expander: "
7131 "handle (0x%04x), sas_addr(0x%016llx)\n",
7132 ioc
->name
, handle
, (unsigned long long)
7133 le64_to_cpu(expander_pg0
.SASAddress
));
7134 _scsih_expander_add(ioc
, handle
);
7135 printk(MPT2SAS_INFO_FMT
"\tAFTER adding expander: "
7136 "handle (0x%04x), sas_addr(0x%016llx)\n",
7137 ioc
->name
, handle
, (unsigned long long)
7138 le64_to_cpu(expander_pg0
.SASAddress
));
7142 printk(MPT2SAS_INFO_FMT
"\tscan devices: expanders complete\n",
7145 if (!ioc
->ir_firmware
)
7148 printk(MPT2SAS_INFO_FMT
"\tscan devices phys disk start\n", ioc
->name
);
7150 phys_disk_num
= 0xFF;
7151 while (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
7152 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
7154 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7155 MPI2_IOCSTATUS_MASK
;
7156 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
7158 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7159 printk(MPT2SAS_INFO_FMT
"\tbreak from phys disk scan:"
7160 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7161 ioc
->name
, ioc_status
,
7162 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7165 phys_disk_num
= pd_pg0
.PhysDiskNum
;
7166 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
7167 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7168 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
7169 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7172 if (mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
7173 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
7176 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7177 MPI2_IOCSTATUS_MASK
;
7178 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7179 printk(MPT2SAS_INFO_FMT
"\tbreak from phys disk scan "
7180 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7181 ioc
->name
, ioc_status
,
7182 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7185 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
7186 if (!_scsih_get_sas_address(ioc
, parent_handle
,
7188 printk(MPT2SAS_INFO_FMT
"\tBEFORE adding phys disk: "
7189 " handle (0x%04x), sas_addr(0x%016llx)\n",
7190 ioc
->name
, handle
, (unsigned long long)
7191 le64_to_cpu(sas_device_pg0
.SASAddress
));
7192 mpt2sas_transport_update_links(ioc
, sas_address
,
7193 handle
, sas_device_pg0
.PhyNum
,
7194 MPI2_SAS_NEG_LINK_RATE_1_5
);
7195 set_bit(handle
, ioc
->pd_handles
);
7197 /* This will retry adding the end device.
7198 * _scsih_add_device() will decide on retries and
7199 * return "1" when it should be retried
7201 while (_scsih_add_device(ioc
, handle
, retry_count
++,
7205 printk(MPT2SAS_INFO_FMT
"\tAFTER adding phys disk: "
7206 " handle (0x%04x), sas_addr(0x%016llx)\n",
7207 ioc
->name
, handle
, (unsigned long long)
7208 le64_to_cpu(sas_device_pg0
.SASAddress
));
7212 printk(MPT2SAS_INFO_FMT
"\tscan devices: phys disk complete\n",
7215 printk(MPT2SAS_INFO_FMT
"\tscan devices: volumes start\n", ioc
->name
);
7218 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
7219 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
7220 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7221 MPI2_IOCSTATUS_MASK
;
7222 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
7224 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7225 printk(MPT2SAS_INFO_FMT
"\tbreak from volume scan: "
7226 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7227 ioc
->name
, ioc_status
,
7228 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7231 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
7232 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
7233 raid_device
= _scsih_raid_device_find_by_wwid(ioc
,
7234 le64_to_cpu(volume_pg1
.WWID
));
7235 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
7238 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
7239 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
7240 sizeof(Mpi2RaidVolPage0_t
)))
7242 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7243 MPI2_IOCSTATUS_MASK
;
7244 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7245 printk(MPT2SAS_INFO_FMT
"\tbreak from volume scan: "
7246 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7247 ioc
->name
, ioc_status
,
7248 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7251 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
7252 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
7253 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
) {
7254 memset(&element
, 0, sizeof(Mpi2EventIrConfigElement_t
));
7255 element
.ReasonCode
= MPI2_EVENT_IR_CHANGE_RC_ADDED
;
7256 element
.VolDevHandle
= volume_pg1
.DevHandle
;
7257 printk(MPT2SAS_INFO_FMT
"\tBEFORE adding volume: "
7258 " handle (0x%04x)\n", ioc
->name
,
7259 volume_pg1
.DevHandle
);
7260 _scsih_sas_volume_add(ioc
, &element
);
7261 printk(MPT2SAS_INFO_FMT
"\tAFTER adding volume: "
7262 " handle (0x%04x)\n", ioc
->name
,
7263 volume_pg1
.DevHandle
);
7267 printk(MPT2SAS_INFO_FMT
"\tscan devices: volumes complete\n",
7272 printk(MPT2SAS_INFO_FMT
"\tscan devices: end devices start\n",
7276 while (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
7277 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
7279 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7280 MPI2_IOCSTATUS_MASK
;
7281 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
7283 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
7284 printk(MPT2SAS_INFO_FMT
"\tbreak from end device scan:"
7285 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7286 ioc
->name
, ioc_status
,
7287 le32_to_cpu(mpi_reply
.IOCLogInfo
));
7290 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
7291 if (!(_scsih_is_end_device(
7292 le32_to_cpu(sas_device_pg0
.DeviceInfo
))))
7294 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7295 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
7296 le64_to_cpu(sas_device_pg0
.SASAddress
));
7297 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7300 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
7301 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
)) {
7302 printk(MPT2SAS_INFO_FMT
"\tBEFORE adding end device: "
7303 "handle (0x%04x), sas_addr(0x%016llx)\n",
7304 ioc
->name
, handle
, (unsigned long long)
7305 le64_to_cpu(sas_device_pg0
.SASAddress
));
7306 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
7307 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
7309 /* This will retry adding the end device.
7310 * _scsih_add_device() will decide on retries and
7311 * return "1" when it should be retried
7313 while (_scsih_add_device(ioc
, handle
, retry_count
++,
7317 printk(MPT2SAS_INFO_FMT
"\tAFTER adding end device: "
7318 "handle (0x%04x), sas_addr(0x%016llx)\n",
7319 ioc
->name
, handle
, (unsigned long long)
7320 le64_to_cpu(sas_device_pg0
.SASAddress
));
7324 printk(MPT2SAS_INFO_FMT
"\tscan devices: end devices complete\n",
7327 printk(MPT2SAS_INFO_FMT
"scan devices: complete\n", ioc
->name
);
7332 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
7333 * @ioc: per adapter object
7334 * @reset_phase: phase
7336 * The handler for doing any required cleanup or initialization.
7338 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
7339 * MPT2_IOC_DONE_RESET
7344 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER
*ioc
, int reset_phase
)
7346 switch (reset_phase
) {
7347 case MPT2_IOC_PRE_RESET
:
7348 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7349 "MPT2_IOC_PRE_RESET\n", ioc
->name
, __func__
));
7351 case MPT2_IOC_AFTER_RESET
:
7352 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7353 "MPT2_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
7354 if (ioc
->scsih_cmds
.status
& MPT2_CMD_PENDING
) {
7355 ioc
->scsih_cmds
.status
|= MPT2_CMD_RESET
;
7356 mpt2sas_base_free_smid(ioc
, ioc
->scsih_cmds
.smid
);
7357 complete(&ioc
->scsih_cmds
.done
);
7359 if (ioc
->tm_cmds
.status
& MPT2_CMD_PENDING
) {
7360 ioc
->tm_cmds
.status
|= MPT2_CMD_RESET
;
7361 mpt2sas_base_free_smid(ioc
, ioc
->tm_cmds
.smid
);
7362 complete(&ioc
->tm_cmds
.done
);
7364 _scsih_fw_event_cleanup_queue(ioc
);
7365 _scsih_flush_running_cmds(ioc
);
7367 case MPT2_IOC_DONE_RESET
:
7368 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7369 "MPT2_IOC_DONE_RESET\n", ioc
->name
, __func__
));
7370 _scsih_sas_host_refresh(ioc
);
7371 _scsih_prep_device_scan(ioc
);
7372 _scsih_search_responding_sas_devices(ioc
);
7373 _scsih_search_responding_raid_devices(ioc
);
7374 _scsih_search_responding_expanders(ioc
);
7375 if ((!ioc
->is_driver_loading
) && !(disable_discovery
> 0 &&
7376 !ioc
->sas_hba
.num_phys
)) {
7377 _scsih_prep_device_scan(ioc
);
7378 _scsih_search_responding_sas_devices(ioc
);
7379 _scsih_search_responding_raid_devices(ioc
);
7380 _scsih_search_responding_expanders(ioc
);
7381 _scsih_error_recovery_delete_devices(ioc
);
7388 * _firmware_event_work - delayed task for processing firmware events
7389 * @ioc: per adapter object
7390 * @work: equal to the fw_event_work object
7396 _firmware_event_work(struct work_struct
*work
)
7398 struct fw_event_work
*fw_event
= container_of(work
,
7399 struct fw_event_work
, delayed_work
.work
);
7400 struct MPT2SAS_ADAPTER
*ioc
= fw_event
->ioc
;
7402 /* the queue is being flushed so ignore this event */
7403 if (ioc
->remove_host
|| fw_event
->cancel_pending_work
||
7404 ioc
->pci_error_recovery
) {
7405 _scsih_fw_event_free(ioc
, fw_event
);
7409 switch (fw_event
->event
) {
7410 case MPT2SAS_REMOVE_UNRESPONDING_DEVICES
:
7411 while (scsi_host_in_recovery(ioc
->shost
) || ioc
->shost_recovery
)
7413 _scsih_remove_unresponding_sas_devices(ioc
);
7414 _scsih_scan_for_devices_after_reset(ioc
);
7416 case MPT2SAS_PORT_ENABLE_COMPLETE
:
7417 ioc
->start_scan
= 0;
7419 if (missing_delay
[0] != -1 && missing_delay
[1] != -1)
7420 mpt2sas_base_update_missing_delay(ioc
, missing_delay
[0],
7423 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"port enable: complete "
7424 "from worker thread\n", ioc
->name
));
7426 case MPT2SAS_TURN_ON_FAULT_LED
:
7427 _scsih_turn_on_fault_led(ioc
, fw_event
->device_handle
);
7429 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7430 _scsih_sas_topology_change_event(ioc
, fw_event
);
7432 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7433 _scsih_sas_device_status_change_event(ioc
,
7436 case MPI2_EVENT_SAS_DISCOVERY
:
7437 _scsih_sas_discovery_event(ioc
,
7440 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7441 _scsih_sas_broadcast_primitive_event(ioc
,
7444 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7445 _scsih_sas_enclosure_dev_status_change_event(ioc
,
7448 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7449 _scsih_sas_ir_config_change_event(ioc
, fw_event
);
7451 case MPI2_EVENT_IR_VOLUME
:
7452 _scsih_sas_ir_volume_event(ioc
, fw_event
);
7454 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7455 _scsih_sas_ir_physical_disk_event(ioc
, fw_event
);
7457 case MPI2_EVENT_IR_OPERATION_STATUS
:
7458 _scsih_sas_ir_operation_status_event(ioc
, fw_event
);
7461 _scsih_fw_event_free(ioc
, fw_event
);
7465 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
7466 * @ioc: per adapter object
7467 * @msix_index: MSIX table index supplied by the OS
7468 * @reply: reply message frame(lower 32bit addr)
7469 * Context: interrupt.
7471 * This function merely adds a new work task into ioc->firmware_event_thread.
7472 * The tasks are worked from _firmware_event_work in user context.
7477 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER
*ioc
, u8 msix_index
,
7480 struct fw_event_work
*fw_event
;
7481 Mpi2EventNotificationReply_t
*mpi_reply
;
7485 /* events turned off due to host reset or driver unloading */
7486 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
7489 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
7491 if (unlikely(!mpi_reply
)) {
7492 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
7493 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7497 event
= le16_to_cpu(mpi_reply
->Event
);
7501 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7503 Mpi2EventDataSasBroadcastPrimitive_t
*baen_data
=
7504 (Mpi2EventDataSasBroadcastPrimitive_t
*)
7505 mpi_reply
->EventData
;
7507 if (baen_data
->Primitive
!=
7508 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT
)
7511 if (ioc
->broadcast_aen_busy
) {
7512 ioc
->broadcast_aen_pending
++;
7515 ioc
->broadcast_aen_busy
= 1;
7519 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7520 _scsih_check_topo_delete_events(ioc
,
7521 (Mpi2EventDataSasTopologyChangeList_t
*)
7522 mpi_reply
->EventData
);
7524 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7525 _scsih_check_ir_config_unhide_events(ioc
,
7526 (Mpi2EventDataIrConfigChangeList_t
*)
7527 mpi_reply
->EventData
);
7529 case MPI2_EVENT_IR_VOLUME
:
7530 _scsih_check_volume_delete_events(ioc
,
7531 (Mpi2EventDataIrVolume_t
*)
7532 mpi_reply
->EventData
);
7534 case MPI2_EVENT_LOG_ENTRY_ADDED
:
7536 Mpi2EventDataLogEntryAdded_t
*log_entry
;
7539 if (!ioc
->is_warpdrive
)
7542 log_entry
= (Mpi2EventDataLogEntryAdded_t
*)
7543 mpi_reply
->EventData
;
7544 log_code
= (__le32
*)log_entry
->LogData
;
7546 if (le16_to_cpu(log_entry
->LogEntryQualifier
)
7547 != MPT2_WARPDRIVE_LOGENTRY
)
7550 switch (le32_to_cpu(*log_code
)) {
7551 case MPT2_WARPDRIVE_LC_SSDT
:
7552 printk(MPT2SAS_WARN_FMT
"WarpDrive Warning: "
7553 "IO Throttling has occurred in the WarpDrive "
7554 "subsystem. Check WarpDrive documentation for "
7555 "additional details.\n", ioc
->name
);
7557 case MPT2_WARPDRIVE_LC_SSDLW
:
7558 printk(MPT2SAS_WARN_FMT
"WarpDrive Warning: "
7559 "Program/Erase Cycles for the WarpDrive subsystem "
7560 "in degraded range. Check WarpDrive documentation "
7561 "for additional details.\n", ioc
->name
);
7563 case MPT2_WARPDRIVE_LC_SSDLF
:
7564 printk(MPT2SAS_ERR_FMT
"WarpDrive Fatal Error: "
7565 "There are no Program/Erase Cycles for the "
7566 "WarpDrive subsystem. The storage device will be "
7567 "in read-only mode. Check WarpDrive documentation "
7568 "for additional details.\n", ioc
->name
);
7570 case MPT2_WARPDRIVE_LC_BRMF
:
7571 printk(MPT2SAS_ERR_FMT
"WarpDrive Fatal Error: "
7572 "The Backup Rail Monitor has failed on the "
7573 "WarpDrive subsystem. Check WarpDrive "
7574 "documentation for additional details.\n",
7581 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7582 case MPI2_EVENT_IR_OPERATION_STATUS
:
7583 case MPI2_EVENT_SAS_DISCOVERY
:
7584 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7585 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7588 default: /* ignore the rest */
7592 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
7594 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
7595 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7598 sz
= le16_to_cpu(mpi_reply
->EventDataLength
) * 4;
7599 fw_event
->event_data
= kzalloc(sz
, GFP_ATOMIC
);
7600 if (!fw_event
->event_data
) {
7601 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
7602 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7607 memcpy(fw_event
->event_data
, mpi_reply
->EventData
,
7609 fw_event
->ioc
= ioc
;
7610 fw_event
->VF_ID
= mpi_reply
->VF_ID
;
7611 fw_event
->VP_ID
= mpi_reply
->VP_ID
;
7612 fw_event
->event
= event
;
7613 _scsih_fw_event_add(ioc
, fw_event
);
7617 /* shost template */
7618 static struct scsi_host_template scsih_driver_template
= {
7619 .module
= THIS_MODULE
,
7620 .name
= "Fusion MPT SAS Host",
7621 .proc_name
= MPT2SAS_DRIVER_NAME
,
7622 .queuecommand
= _scsih_qcmd
,
7623 .target_alloc
= _scsih_target_alloc
,
7624 .slave_alloc
= _scsih_slave_alloc
,
7625 .slave_configure
= _scsih_slave_configure
,
7626 .target_destroy
= _scsih_target_destroy
,
7627 .slave_destroy
= _scsih_slave_destroy
,
7628 .scan_finished
= _scsih_scan_finished
,
7629 .scan_start
= _scsih_scan_start
,
7630 .change_queue_depth
= _scsih_change_queue_depth
,
7631 .change_queue_type
= _scsih_change_queue_type
,
7632 .eh_abort_handler
= _scsih_abort
,
7633 .eh_device_reset_handler
= _scsih_dev_reset
,
7634 .eh_target_reset_handler
= _scsih_target_reset
,
7635 .eh_host_reset_handler
= _scsih_host_reset
,
7636 .bios_param
= _scsih_bios_param
,
7639 .sg_tablesize
= MPT2SAS_SG_DEPTH
,
7640 .max_sectors
= 32767,
7642 .use_clustering
= ENABLE_CLUSTERING
,
7643 .shost_attrs
= mpt2sas_host_attrs
,
7644 .sdev_attrs
= mpt2sas_dev_attrs
,
7648 * _scsih_expander_node_remove - removing expander device from list.
7649 * @ioc: per adapter object
7650 * @sas_expander: the sas_device object
7651 * Context: Calling function should acquire ioc->sas_node_lock.
7653 * Removing object and freeing associated memory from the
7654 * ioc->sas_expander_list.
7659 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
7660 struct _sas_node
*sas_expander
)
7662 struct _sas_port
*mpt2sas_port
, *next
;
7664 /* remove sibling ports attached to this expander */
7665 list_for_each_entry_safe(mpt2sas_port
, next
,
7666 &sas_expander
->sas_port_list
, port_list
) {
7667 if (ioc
->shost_recovery
)
7669 if (mpt2sas_port
->remote_identify
.device_type
==
7671 mpt2sas_device_remove_by_sas_address(ioc
,
7672 mpt2sas_port
->remote_identify
.sas_address
);
7673 else if (mpt2sas_port
->remote_identify
.device_type
==
7674 SAS_EDGE_EXPANDER_DEVICE
||
7675 mpt2sas_port
->remote_identify
.device_type
==
7676 SAS_FANOUT_EXPANDER_DEVICE
)
7677 mpt2sas_expander_remove(ioc
,
7678 mpt2sas_port
->remote_identify
.sas_address
);
7681 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
7682 sas_expander
->sas_address_parent
);
7684 printk(MPT2SAS_INFO_FMT
"expander_remove: handle"
7685 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
7686 sas_expander
->handle
, (unsigned long long)
7687 sas_expander
->sas_address
);
7689 kfree(sas_expander
->phy
);
7690 kfree(sas_expander
);
7694 * _scsih_ir_shutdown - IR shutdown notification
7695 * @ioc: per adapter object
7697 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
7698 * the host system is shutting down.
7703 _scsih_ir_shutdown(struct MPT2SAS_ADAPTER
*ioc
)
7705 Mpi2RaidActionRequest_t
*mpi_request
;
7706 Mpi2RaidActionReply_t
*mpi_reply
;
7709 /* is IR firmware build loaded ? */
7710 if (!ioc
->ir_firmware
)
7713 /* are there any volumes ? */
7714 if (list_empty(&ioc
->raid_device_list
))
7717 mutex_lock(&ioc
->scsih_cmds
.mutex
);
7719 if (ioc
->scsih_cmds
.status
!= MPT2_CMD_NOT_USED
) {
7720 printk(MPT2SAS_ERR_FMT
"%s: scsih_cmd in use\n",
7721 ioc
->name
, __func__
);
7724 ioc
->scsih_cmds
.status
= MPT2_CMD_PENDING
;
7726 smid
= mpt2sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
7728 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
7729 ioc
->name
, __func__
);
7730 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
7734 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
7735 ioc
->scsih_cmds
.smid
= smid
;
7736 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
7738 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
7739 mpi_request
->Action
= MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED
;
7741 if (!ioc
->hide_ir_msg
)
7742 printk(MPT2SAS_INFO_FMT
"IR shutdown (sending)\n", ioc
->name
);
7743 init_completion(&ioc
->scsih_cmds
.done
);
7744 mpt2sas_base_put_smid_default(ioc
, smid
);
7745 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
7747 if (!(ioc
->scsih_cmds
.status
& MPT2_CMD_COMPLETE
)) {
7748 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
7749 ioc
->name
, __func__
);
7753 if (ioc
->scsih_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
7754 mpi_reply
= ioc
->scsih_cmds
.reply
;
7756 if (!ioc
->hide_ir_msg
)
7757 printk(MPT2SAS_INFO_FMT
"IR shutdown (complete): "
7758 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7759 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
7760 le32_to_cpu(mpi_reply
->IOCLogInfo
));
7764 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
7765 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
7769 * _scsih_shutdown - routine call during system shutdown
7770 * @pdev: PCI device struct
7775 _scsih_shutdown(struct pci_dev
*pdev
)
7777 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7778 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7779 struct workqueue_struct
*wq
;
7780 unsigned long flags
;
7782 ioc
->remove_host
= 1;
7783 _scsih_fw_event_cleanup_queue(ioc
);
7785 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
7786 wq
= ioc
->firmware_event_thread
;
7787 ioc
->firmware_event_thread
= NULL
;
7788 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
7790 destroy_workqueue(wq
);
7792 _scsih_ir_shutdown(ioc
);
7793 mpt2sas_base_detach(ioc
);
7797 * _scsih_remove - detach and remove add host
7798 * @pdev: PCI device struct
7800 * Routine called when unloading the driver.
7804 _scsih_remove(struct pci_dev
*pdev
)
7806 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7807 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7808 struct _sas_port
*mpt2sas_port
, *next_port
;
7809 struct _raid_device
*raid_device
, *next
;
7810 struct MPT2SAS_TARGET
*sas_target_priv_data
;
7811 struct workqueue_struct
*wq
;
7812 unsigned long flags
;
7814 ioc
->remove_host
= 1;
7815 _scsih_fw_event_cleanup_queue(ioc
);
7817 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
7818 wq
= ioc
->firmware_event_thread
;
7819 ioc
->firmware_event_thread
= NULL
;
7820 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
7822 destroy_workqueue(wq
);
7824 /* release all the volumes */
7825 _scsih_ir_shutdown(ioc
);
7826 list_for_each_entry_safe(raid_device
, next
, &ioc
->raid_device_list
,
7828 if (raid_device
->starget
) {
7829 sas_target_priv_data
=
7830 raid_device
->starget
->hostdata
;
7831 sas_target_priv_data
->deleted
= 1;
7832 scsi_remove_target(&raid_device
->starget
->dev
);
7834 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
7835 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
7836 (unsigned long long) raid_device
->wwid
);
7837 _scsih_raid_device_remove(ioc
, raid_device
);
7840 /* free ports attached to the sas_host */
7841 list_for_each_entry_safe(mpt2sas_port
, next_port
,
7842 &ioc
->sas_hba
.sas_port_list
, port_list
) {
7843 if (mpt2sas_port
->remote_identify
.device_type
==
7845 mpt2sas_device_remove_by_sas_address(ioc
,
7846 mpt2sas_port
->remote_identify
.sas_address
);
7847 else if (mpt2sas_port
->remote_identify
.device_type
==
7848 SAS_EDGE_EXPANDER_DEVICE
||
7849 mpt2sas_port
->remote_identify
.device_type
==
7850 SAS_FANOUT_EXPANDER_DEVICE
)
7851 mpt2sas_expander_remove(ioc
,
7852 mpt2sas_port
->remote_identify
.sas_address
);
7855 /* free phys attached to the sas_host */
7856 if (ioc
->sas_hba
.num_phys
) {
7857 kfree(ioc
->sas_hba
.phy
);
7858 ioc
->sas_hba
.phy
= NULL
;
7859 ioc
->sas_hba
.num_phys
= 0;
7862 sas_remove_host(shost
);
7863 mpt2sas_base_detach(ioc
);
7864 list_del(&ioc
->list
);
7865 scsi_remove_host(shost
);
7866 scsi_host_put(shost
);
7870 * _scsih_probe_boot_devices - reports 1st device
7871 * @ioc: per adapter object
7873 * If specified in bios page 2, this routine reports the 1st
7874 * device scsi-ml or sas transport for persistent boot device
7875 * purposes. Please refer to function _scsih_determine_boot_device()
7878 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER
*ioc
)
7882 struct _sas_device
*sas_device
;
7883 struct _raid_device
*raid_device
;
7885 u64 sas_address_parent
;
7887 unsigned long flags
;
7890 /* no Bios, return immediately */
7891 if (!ioc
->bios_pg3
.BiosVersion
)
7896 if (ioc
->req_boot_device
.device
) {
7897 device
= ioc
->req_boot_device
.device
;
7898 is_raid
= ioc
->req_boot_device
.is_raid
;
7899 } else if (ioc
->req_alt_boot_device
.device
) {
7900 device
= ioc
->req_alt_boot_device
.device
;
7901 is_raid
= ioc
->req_alt_boot_device
.is_raid
;
7902 } else if (ioc
->current_boot_device
.device
) {
7903 device
= ioc
->current_boot_device
.device
;
7904 is_raid
= ioc
->current_boot_device
.is_raid
;
7911 raid_device
= device
;
7912 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
7913 raid_device
->id
, 0);
7915 _scsih_raid_device_remove(ioc
, raid_device
);
7917 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7918 sas_device
= device
;
7919 handle
= sas_device
->handle
;
7920 sas_address_parent
= sas_device
->sas_address_parent
;
7921 sas_address
= sas_device
->sas_address
;
7922 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
7923 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7925 if (ioc
->hide_drives
)
7927 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
7928 sas_device
->sas_address_parent
)) {
7929 _scsih_sas_device_remove(ioc
, sas_device
);
7930 } else if (!sas_device
->starget
) {
7931 if (!ioc
->is_driver_loading
)
7932 mpt2sas_transport_port_remove(ioc
, sas_address
,
7933 sas_address_parent
);
7934 _scsih_sas_device_remove(ioc
, sas_device
);
7940 * _scsih_probe_raid - reporting raid volumes to scsi-ml
7941 * @ioc: per adapter object
7943 * Called during initial loading of the driver.
7946 _scsih_probe_raid(struct MPT2SAS_ADAPTER
*ioc
)
7948 struct _raid_device
*raid_device
, *raid_next
;
7951 list_for_each_entry_safe(raid_device
, raid_next
,
7952 &ioc
->raid_device_list
, list
) {
7953 if (raid_device
->starget
)
7955 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
7956 raid_device
->id
, 0);
7958 _scsih_raid_device_remove(ioc
, raid_device
);
7963 * _scsih_probe_sas - reporting sas devices to sas transport
7964 * @ioc: per adapter object
7966 * Called during initial loading of the driver.
7969 _scsih_probe_sas(struct MPT2SAS_ADAPTER
*ioc
)
7971 struct _sas_device
*sas_device
, *next
;
7972 unsigned long flags
;
7974 /* SAS Device List */
7975 list_for_each_entry_safe(sas_device
, next
, &ioc
->sas_device_init_list
,
7978 if (ioc
->hide_drives
)
7981 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
7982 sas_device
->sas_address_parent
)) {
7983 list_del(&sas_device
->list
);
7986 } else if (!sas_device
->starget
) {
7987 if (!ioc
->is_driver_loading
)
7988 mpt2sas_transport_port_remove(ioc
,
7989 sas_device
->sas_address
,
7990 sas_device
->sas_address_parent
);
7991 list_del(&sas_device
->list
);
7996 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7997 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
7998 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
8003 * _scsih_probe_devices - probing for devices
8004 * @ioc: per adapter object
8006 * Called during initial loading of the driver.
8009 _scsih_probe_devices(struct MPT2SAS_ADAPTER
*ioc
)
8011 u16 volume_mapping_flags
;
8013 if (!(ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR
))
8014 return; /* return when IOC doesn't support initiator mode */
8016 _scsih_probe_boot_devices(ioc
);
8018 if (ioc
->ir_firmware
) {
8019 volume_mapping_flags
=
8020 le16_to_cpu(ioc
->ioc_pg8
.IRVolumeMappingFlags
) &
8021 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE
;
8022 if (volume_mapping_flags
==
8023 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING
) {
8024 _scsih_probe_raid(ioc
);
8025 _scsih_probe_sas(ioc
);
8027 _scsih_probe_sas(ioc
);
8028 _scsih_probe_raid(ioc
);
8031 _scsih_probe_sas(ioc
);
8036 * _scsih_scan_start - scsi lld callback for .scan_start
8037 * @shost: SCSI host pointer
8039 * The shost has the ability to discover targets on its own instead
8040 * of scanning the entire bus. In our implemention, we will kick off
8041 * firmware discovery.
8044 _scsih_scan_start(struct Scsi_Host
*shost
)
8046 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8049 if (diag_buffer_enable
!= -1 && diag_buffer_enable
!= 0)
8050 mpt2sas_enable_diag_buffer(ioc
, diag_buffer_enable
);
8052 if (disable_discovery
> 0)
8055 ioc
->start_scan
= 1;
8056 rc
= mpt2sas_port_enable(ioc
);
8059 printk(MPT2SAS_INFO_FMT
"port enable: FAILED\n", ioc
->name
);
8063 * _scsih_scan_finished - scsi lld callback for .scan_finished
8064 * @shost: SCSI host pointer
8065 * @time: elapsed time of the scan in jiffies
8067 * This function will be called periodically until it returns 1 with the
8068 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8069 * we wait for firmware discovery to complete, then return 1.
8072 _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
8074 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8076 if (disable_discovery
> 0) {
8077 ioc
->is_driver_loading
= 0;
8078 ioc
->wait_for_discovery_to_complete
= 0;
8082 if (time
>= (300 * HZ
)) {
8083 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
8084 printk(MPT2SAS_INFO_FMT
"port enable: FAILED with timeout "
8085 "(timeout=300s)\n", ioc
->name
);
8086 ioc
->is_driver_loading
= 0;
8090 if (ioc
->start_scan
)
8093 if (ioc
->start_scan_failed
) {
8094 printk(MPT2SAS_INFO_FMT
"port enable: FAILED with "
8095 "(ioc_status=0x%08x)\n", ioc
->name
, ioc
->start_scan_failed
);
8096 ioc
->is_driver_loading
= 0;
8097 ioc
->wait_for_discovery_to_complete
= 0;
8098 ioc
->remove_host
= 1;
8102 printk(MPT2SAS_INFO_FMT
"port enable: SUCCESS\n", ioc
->name
);
8103 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
8105 if (ioc
->wait_for_discovery_to_complete
) {
8106 ioc
->wait_for_discovery_to_complete
= 0;
8107 _scsih_probe_devices(ioc
);
8109 mpt2sas_base_start_watchdog(ioc
);
8110 ioc
->is_driver_loading
= 0;
8116 * _scsih_probe - attach and add scsi host
8117 * @pdev: PCI device struct
8118 * @id: pci device id
8120 * Returns 0 success, anything else error.
8123 _scsih_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
8125 struct MPT2SAS_ADAPTER
*ioc
;
8126 struct Scsi_Host
*shost
;
8128 shost
= scsi_host_alloc(&scsih_driver_template
,
8129 sizeof(struct MPT2SAS_ADAPTER
));
8133 /* init local params */
8134 ioc
= shost_priv(shost
);
8135 memset(ioc
, 0, sizeof(struct MPT2SAS_ADAPTER
));
8136 INIT_LIST_HEAD(&ioc
->list
);
8137 list_add_tail(&ioc
->list
, &mpt2sas_ioc_list
);
8139 ioc
->id
= mpt_ids
++;
8140 sprintf(ioc
->name
, "%s%d", MPT2SAS_DRIVER_NAME
, ioc
->id
);
8142 if (id
->device
== MPI2_MFGPAGE_DEVID_SSS6200
) {
8143 ioc
->is_warpdrive
= 1;
8144 ioc
->hide_ir_msg
= 1;
8146 ioc
->mfg_pg10_hide_flag
= MFG_PAGE10_EXPOSE_ALL_DISKS
;
8147 ioc
->scsi_io_cb_idx
= scsi_io_cb_idx
;
8148 ioc
->tm_cb_idx
= tm_cb_idx
;
8149 ioc
->ctl_cb_idx
= ctl_cb_idx
;
8150 ioc
->base_cb_idx
= base_cb_idx
;
8151 ioc
->port_enable_cb_idx
= port_enable_cb_idx
;
8152 ioc
->transport_cb_idx
= transport_cb_idx
;
8153 ioc
->scsih_cb_idx
= scsih_cb_idx
;
8154 ioc
->config_cb_idx
= config_cb_idx
;
8155 ioc
->tm_tr_cb_idx
= tm_tr_cb_idx
;
8156 ioc
->tm_tr_volume_cb_idx
= tm_tr_volume_cb_idx
;
8157 ioc
->tm_sas_control_cb_idx
= tm_sas_control_cb_idx
;
8158 ioc
->logging_level
= logging_level
;
8159 ioc
->schedule_dead_ioc_flush_running_cmds
= &_scsih_flush_running_cmds
;
8160 /* misc semaphores and spin locks */
8161 mutex_init(&ioc
->reset_in_progress_mutex
);
8162 spin_lock_init(&ioc
->ioc_reset_in_progress_lock
);
8163 spin_lock_init(&ioc
->scsi_lookup_lock
);
8164 spin_lock_init(&ioc
->sas_device_lock
);
8165 spin_lock_init(&ioc
->sas_node_lock
);
8166 spin_lock_init(&ioc
->fw_event_lock
);
8167 spin_lock_init(&ioc
->raid_device_lock
);
8169 INIT_LIST_HEAD(&ioc
->sas_device_list
);
8170 INIT_LIST_HEAD(&ioc
->sas_device_init_list
);
8171 INIT_LIST_HEAD(&ioc
->sas_expander_list
);
8172 INIT_LIST_HEAD(&ioc
->fw_event_list
);
8173 INIT_LIST_HEAD(&ioc
->raid_device_list
);
8174 INIT_LIST_HEAD(&ioc
->sas_hba
.sas_port_list
);
8175 INIT_LIST_HEAD(&ioc
->delayed_tr_list
);
8176 INIT_LIST_HEAD(&ioc
->delayed_tr_volume_list
);
8177 INIT_LIST_HEAD(&ioc
->reply_queue_list
);
8179 /* init shost parameters */
8180 shost
->max_cmd_len
= 32;
8181 shost
->max_lun
= max_lun
;
8182 shost
->transportt
= mpt2sas_transport_template
;
8183 shost
->unique_id
= ioc
->id
;
8185 if (max_sectors
!= 0xFFFF) {
8186 if (max_sectors
< 64) {
8187 shost
->max_sectors
= 64;
8188 printk(MPT2SAS_WARN_FMT
"Invalid value %d passed "
8189 "for max_sectors, range is 64 to 32767. Assigning "
8190 "value of 64.\n", ioc
->name
, max_sectors
);
8191 } else if (max_sectors
> 32767) {
8192 shost
->max_sectors
= 32767;
8193 printk(MPT2SAS_WARN_FMT
"Invalid value %d passed "
8194 "for max_sectors, range is 64 to 8192. Assigning "
8195 "default value of 32767.\n", ioc
->name
,
8198 shost
->max_sectors
= max_sectors
& 0xFFFE;
8199 printk(MPT2SAS_INFO_FMT
"The max_sectors value is "
8200 "set to %d\n", ioc
->name
, shost
->max_sectors
);
8204 if ((scsi_add_host(shost
, &pdev
->dev
))) {
8205 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8206 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8207 list_del(&ioc
->list
);
8208 goto out_add_shost_fail
;
8211 /* register EEDP capabilities with SCSI layer */
8213 scsi_host_set_prot(shost
, prot_mask
);
8215 scsi_host_set_prot(shost
, SHOST_DIF_TYPE1_PROTECTION
8216 | SHOST_DIF_TYPE2_PROTECTION
8217 | SHOST_DIF_TYPE3_PROTECTION
);
8219 scsi_host_set_guard(shost
, SHOST_DIX_GUARD_CRC
);
8222 snprintf(ioc
->firmware_event_name
, sizeof(ioc
->firmware_event_name
),
8223 "fw_event%d", ioc
->id
);
8224 ioc
->firmware_event_thread
= create_singlethread_workqueue(
8225 ioc
->firmware_event_name
);
8226 if (!ioc
->firmware_event_thread
) {
8227 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8228 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8229 goto out_thread_fail
;
8232 ioc
->is_driver_loading
= 1;
8233 if ((mpt2sas_base_attach(ioc
))) {
8234 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8235 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8236 goto out_attach_fail
;
8239 if (ioc
->is_warpdrive
) {
8240 if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_EXPOSE_ALL_DISKS
)
8241 ioc
->hide_drives
= 0;
8242 else if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_HIDE_ALL_DISKS
)
8243 ioc
->hide_drives
= 1;
8245 if (_scsih_get_num_volumes(ioc
))
8246 ioc
->hide_drives
= 1;
8248 ioc
->hide_drives
= 0;
8251 ioc
->hide_drives
= 0;
8252 scsi_scan_host(shost
);
8257 destroy_workqueue(ioc
->firmware_event_thread
);
8259 list_del(&ioc
->list
);
8260 scsi_remove_host(shost
);
8262 scsi_host_put(shost
);
8268 * _scsih_suspend - power management suspend main entry point
8269 * @pdev: PCI device struct
8270 * @state: PM state change to (usually PCI_D3)
8272 * Returns 0 success, anything else error.
8275 _scsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
8277 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8278 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8279 pci_power_t device_state
;
8281 mpt2sas_base_stop_watchdog(ioc
);
8282 scsi_block_requests(shost
);
8283 device_state
= pci_choose_state(pdev
, state
);
8284 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, entering "
8285 "operating state [D%d]\n", ioc
->name
, pdev
,
8286 pci_name(pdev
), device_state
);
8288 mpt2sas_base_free_resources(ioc
);
8289 pci_save_state(pdev
);
8290 pci_disable_device(pdev
);
8291 pci_set_power_state(pdev
, device_state
);
8296 * _scsih_resume - power management resume main entry point
8297 * @pdev: PCI device struct
8299 * Returns 0 success, anything else error.
8302 _scsih_resume(struct pci_dev
*pdev
)
8304 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8305 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8306 pci_power_t device_state
= pdev
->current_state
;
8309 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, previous "
8310 "operating state [D%d]\n", ioc
->name
, pdev
,
8311 pci_name(pdev
), device_state
);
8313 pci_set_power_state(pdev
, PCI_D0
);
8314 pci_enable_wake(pdev
, PCI_D0
, 0);
8315 pci_restore_state(pdev
);
8317 r
= mpt2sas_base_map_resources(ioc
);
8321 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
, SOFT_RESET
);
8322 scsi_unblock_requests(shost
);
8323 mpt2sas_base_start_watchdog(ioc
);
8326 #endif /* CONFIG_PM */
8329 * _scsih_pci_error_detected - Called when a PCI error is detected.
8330 * @pdev: PCI device struct
8331 * @state: PCI channel state
8333 * Description: Called when a PCI error is detected.
8336 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8338 static pci_ers_result_t
8339 _scsih_pci_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
8341 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8342 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8344 printk(MPT2SAS_INFO_FMT
"PCI error: detected callback, state(%d)!!\n",
8348 case pci_channel_io_normal
:
8349 return PCI_ERS_RESULT_CAN_RECOVER
;
8350 case pci_channel_io_frozen
:
8351 /* Fatal error, prepare for slot reset */
8352 ioc
->pci_error_recovery
= 1;
8353 scsi_block_requests(ioc
->shost
);
8354 mpt2sas_base_stop_watchdog(ioc
);
8355 mpt2sas_base_free_resources(ioc
);
8356 return PCI_ERS_RESULT_NEED_RESET
;
8357 case pci_channel_io_perm_failure
:
8358 /* Permanent error, prepare for device removal */
8359 ioc
->pci_error_recovery
= 1;
8360 mpt2sas_base_stop_watchdog(ioc
);
8361 _scsih_flush_running_cmds(ioc
);
8362 return PCI_ERS_RESULT_DISCONNECT
;
8364 return PCI_ERS_RESULT_NEED_RESET
;
8368 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
8369 * @pdev: PCI device struct
8371 * Description: This routine is called by the pci error recovery
8372 * code after the PCI slot has been reset, just before we
8373 * should resume normal operations.
8375 static pci_ers_result_t
8376 _scsih_pci_slot_reset(struct pci_dev
*pdev
)
8378 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8379 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8382 printk(MPT2SAS_INFO_FMT
"PCI error: slot reset callback!!\n",
8385 ioc
->pci_error_recovery
= 0;
8387 pci_restore_state(pdev
);
8388 rc
= mpt2sas_base_map_resources(ioc
);
8390 return PCI_ERS_RESULT_DISCONNECT
;
8393 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
8396 printk(MPT2SAS_WARN_FMT
"hard reset: %s\n", ioc
->name
,
8397 (rc
== 0) ? "success" : "failed");
8400 return PCI_ERS_RESULT_RECOVERED
;
8402 return PCI_ERS_RESULT_DISCONNECT
;
8406 * _scsih_pci_resume() - resume normal ops after PCI reset
8407 * @pdev: pointer to PCI device
8409 * Called when the error recovery driver tells us that its
8410 * OK to resume normal operation. Use completion to allow
8411 * halted scsi ops to resume.
8414 _scsih_pci_resume(struct pci_dev
*pdev
)
8416 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8417 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8419 printk(MPT2SAS_INFO_FMT
"PCI error: resume callback!!\n", ioc
->name
);
8421 pci_cleanup_aer_uncorrect_error_status(pdev
);
8422 mpt2sas_base_start_watchdog(ioc
);
8423 scsi_unblock_requests(ioc
->shost
);
8427 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
8428 * @pdev: pointer to PCI device
8430 static pci_ers_result_t
8431 _scsih_pci_mmio_enabled(struct pci_dev
*pdev
)
8433 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8434 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8436 printk(MPT2SAS_INFO_FMT
"PCI error: mmio enabled callback!!\n",
8439 /* TODO - dump whatever for debugging purposes */
8441 /* Request a slot reset. */
8442 return PCI_ERS_RESULT_NEED_RESET
;
8445 static const struct pci_error_handlers _scsih_err_handler
= {
8446 .error_detected
= _scsih_pci_error_detected
,
8447 .mmio_enabled
= _scsih_pci_mmio_enabled
,
8448 .slot_reset
= _scsih_pci_slot_reset
,
8449 .resume
= _scsih_pci_resume
,
8452 static struct pci_driver scsih_driver
= {
8453 .name
= MPT2SAS_DRIVER_NAME
,
8454 .id_table
= scsih_pci_table
,
8455 .probe
= _scsih_probe
,
8456 .remove
= _scsih_remove
,
8457 .shutdown
= _scsih_shutdown
,
8458 .err_handler
= &_scsih_err_handler
,
8460 .suspend
= _scsih_suspend
,
8461 .resume
= _scsih_resume
,
8465 /* raid transport support */
8466 static struct raid_function_template mpt2sas_raid_functions
= {
8467 .cookie
= &scsih_driver_template
,
8468 .is_raid
= _scsih_is_raid
,
8469 .get_resync
= _scsih_get_resync
,
8470 .get_state
= _scsih_get_state
,
8474 * _scsih_init - main entry point for this driver.
8476 * Returns 0 success, anything else error.
8484 printk(KERN_INFO
"%s version %s loaded\n", MPT2SAS_DRIVER_NAME
,
8485 MPT2SAS_DRIVER_VERSION
);
8487 mpt2sas_transport_template
=
8488 sas_attach_transport(&mpt2sas_transport_functions
);
8489 if (!mpt2sas_transport_template
)
8491 /* raid transport support */
8492 mpt2sas_raid_template
= raid_class_attach(&mpt2sas_raid_functions
);
8493 if (!mpt2sas_raid_template
) {
8494 sas_release_transport(mpt2sas_transport_template
);
8498 mpt2sas_base_initialize_callback_handler();
8500 /* queuecommand callback hander */
8501 scsi_io_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_io_done
);
8503 /* task management callback handler */
8504 tm_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_tm_done
);
8506 /* base internal commands callback handler */
8507 base_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_base_done
);
8508 port_enable_cb_idx
= mpt2sas_base_register_callback_handler(
8509 mpt2sas_port_enable_done
);
8511 /* transport internal commands callback handler */
8512 transport_cb_idx
= mpt2sas_base_register_callback_handler(
8513 mpt2sas_transport_done
);
8515 /* scsih internal commands callback handler */
8516 scsih_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_done
);
8518 /* configuration page API internal commands callback handler */
8519 config_cb_idx
= mpt2sas_base_register_callback_handler(
8520 mpt2sas_config_done
);
8522 /* ctl module callback handler */
8523 ctl_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_ctl_done
);
8525 tm_tr_cb_idx
= mpt2sas_base_register_callback_handler(
8526 _scsih_tm_tr_complete
);
8528 tm_tr_volume_cb_idx
= mpt2sas_base_register_callback_handler(
8529 _scsih_tm_volume_tr_complete
);
8531 tm_sas_control_cb_idx
= mpt2sas_base_register_callback_handler(
8532 _scsih_sas_control_complete
);
8536 error
= pci_register_driver(&scsih_driver
);
8538 /* raid transport support */
8539 raid_class_release(mpt2sas_raid_template
);
8540 sas_release_transport(mpt2sas_transport_template
);
8547 * _scsih_exit - exit point for this driver (when it is a module).
8549 * Returns 0 success, anything else error.
8554 printk(KERN_INFO
"mpt2sas version %s unloading\n",
8555 MPT2SAS_DRIVER_VERSION
);
8557 pci_unregister_driver(&scsih_driver
);
8561 mpt2sas_base_release_callback_handler(scsi_io_cb_idx
);
8562 mpt2sas_base_release_callback_handler(tm_cb_idx
);
8563 mpt2sas_base_release_callback_handler(base_cb_idx
);
8564 mpt2sas_base_release_callback_handler(port_enable_cb_idx
);
8565 mpt2sas_base_release_callback_handler(transport_cb_idx
);
8566 mpt2sas_base_release_callback_handler(scsih_cb_idx
);
8567 mpt2sas_base_release_callback_handler(config_cb_idx
);
8568 mpt2sas_base_release_callback_handler(ctl_cb_idx
);
8570 mpt2sas_base_release_callback_handler(tm_tr_cb_idx
);
8571 mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx
);
8572 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx
);
8574 /* raid transport support */
8575 raid_class_release(mpt2sas_raid_template
);
8576 sas_release_transport(mpt2sas_transport_template
);
8580 module_init(_scsih_init
);
8581 module_exit(_scsih_exit
);