2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
4 * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c
5 * Copyright (C) 2007-2010 LSI Corporation
6 * (mailto:DL-MPTFusionLinux@lsi.com)
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
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 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
105 #define MPT2SAS_MAX_LUN (16895)
106 static int max_lun
= MPT2SAS_MAX_LUN
;
107 module_param(max_lun
, int, 0);
108 MODULE_PARM_DESC(max_lun
, " max lun, default=16895 ");
110 /* diag_buffer_enable is bitwise
112 * bit 1 set = SNAPSHOT
113 * bit 2 set = EXTENDED
115 * Either bit can be set, or both
117 static int diag_buffer_enable
= -1;
118 module_param(diag_buffer_enable
, int, 0);
119 MODULE_PARM_DESC(diag_buffer_enable
, " post diag buffers "
120 "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
123 * struct sense_info - common structure for obtaining sense keys
125 * @asc: additional sense code
126 * @ascq: additional sense code qualifier
135 #define MPT2SAS_TURN_ON_FAULT_LED (0xFFFC)
136 #define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD)
137 #define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
139 * struct fw_event_work - firmware event struct
140 * @list: link list framework
141 * @work: work object (ioc->fault_reset_work_q)
142 * @cancel_pending_work: flag set during reset handling
143 * @ioc: per adapter object
144 * @device_handle: device handle
145 * @VF_ID: virtual function id
146 * @VP_ID: virtual port id
147 * @ignore: flag meaning this event has been marked to ignore
148 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
149 * @event_data: reply event data payload follows
151 * This object stored on ioc->fw_event_list.
153 struct fw_event_work
{
154 struct list_head list
;
155 u8 cancel_pending_work
;
156 struct delayed_work delayed_work
;
157 struct MPT2SAS_ADAPTER
*ioc
;
166 /* raid transport support */
167 static struct raid_template
*mpt2sas_raid_template
;
170 * struct _scsi_io_transfer - scsi io transfer
171 * @handle: sas device handle (assigned by firmware)
172 * @is_raid: flag set for hidden raid components
173 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
174 * @data_length: data transfer length
175 * @data_dma: dma pointer to data
178 * @cdb_length: cdb length
180 * @timeout: timeout for this command
181 * @VF_ID: virtual function id
182 * @VP_ID: virtual port id
183 * @valid_reply: flag set for reply message
184 * @sense_length: sense length
185 * @ioc_status: ioc status
186 * @scsi_state: scsi state
187 * @scsi_status: scsi staus
188 * @log_info: log information
189 * @transfer_length: data length transfer when there is a reply message
191 * Used for sending internal scsi commands to devices within this module.
192 * Refer to _scsi_send_scsi_io().
194 struct _scsi_io_transfer
{
197 enum dma_data_direction dir
;
200 u8 sense
[SCSI_SENSE_BUFFERSIZE
];
208 /* the following bits are only valid when 'valid_reply = 1' */
218 * The pci device ids are defined in mpi/mpi2_cnfg.h.
220 static struct pci_device_id scsih_pci_table
[] = {
221 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2004
,
222 PCI_ANY_ID
, PCI_ANY_ID
},
224 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2008
,
225 PCI_ANY_ID
, PCI_ANY_ID
},
226 /* Liberator ~ 2108 */
227 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_1
,
228 PCI_ANY_ID
, PCI_ANY_ID
},
229 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_2
,
230 PCI_ANY_ID
, PCI_ANY_ID
},
231 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2108_3
,
232 PCI_ANY_ID
, PCI_ANY_ID
},
234 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_1
,
235 PCI_ANY_ID
, PCI_ANY_ID
},
236 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2116_2
,
237 PCI_ANY_ID
, PCI_ANY_ID
},
238 /* Thunderbolt ~ 2208 */
239 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_1
,
240 PCI_ANY_ID
, PCI_ANY_ID
},
241 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_2
,
242 PCI_ANY_ID
, PCI_ANY_ID
},
243 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_3
,
244 PCI_ANY_ID
, PCI_ANY_ID
},
245 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_4
,
246 PCI_ANY_ID
, PCI_ANY_ID
},
247 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_5
,
248 PCI_ANY_ID
, PCI_ANY_ID
},
249 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2208_6
,
250 PCI_ANY_ID
, PCI_ANY_ID
},
252 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_1
,
253 PCI_ANY_ID
, PCI_ANY_ID
},
254 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_2
,
255 PCI_ANY_ID
, PCI_ANY_ID
},
256 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SAS2308_3
,
257 PCI_ANY_ID
, PCI_ANY_ID
},
259 { MPI2_MFGPAGE_VENDORID_LSI
, MPI2_MFGPAGE_DEVID_SSS6200
,
260 PCI_ANY_ID
, PCI_ANY_ID
},
261 {0} /* Terminating entry */
263 MODULE_DEVICE_TABLE(pci
, scsih_pci_table
);
266 * _scsih_set_debug_level - global setting of ioc->logging_level.
268 * Note: The logging levels are defined in mpt2sas_debug.h.
271 _scsih_set_debug_level(const char *val
, struct kernel_param
*kp
)
273 int ret
= param_set_int(val
, kp
);
274 struct MPT2SAS_ADAPTER
*ioc
;
279 printk(KERN_INFO
"setting logging_level(0x%08x)\n", logging_level
);
280 list_for_each_entry(ioc
, &mpt2sas_ioc_list
, list
)
281 ioc
->logging_level
= logging_level
;
284 module_param_call(logging_level
, _scsih_set_debug_level
, param_get_int
,
285 &logging_level
, 0644);
288 * _scsih_srch_boot_sas_address - search based on sas_address
289 * @sas_address: sas address
290 * @boot_device: boot device object from bios page 2
292 * Returns 1 when there's a match, 0 means no match.
295 _scsih_srch_boot_sas_address(u64 sas_address
,
296 Mpi2BootDeviceSasWwid_t
*boot_device
)
298 return (sas_address
== le64_to_cpu(boot_device
->SASAddress
)) ? 1 : 0;
302 * _scsih_srch_boot_device_name - search based on device name
303 * @device_name: device name specified in INDENTIFY fram
304 * @boot_device: boot device object from bios page 2
306 * Returns 1 when there's a match, 0 means no match.
309 _scsih_srch_boot_device_name(u64 device_name
,
310 Mpi2BootDeviceDeviceName_t
*boot_device
)
312 return (device_name
== le64_to_cpu(boot_device
->DeviceName
)) ? 1 : 0;
316 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
317 * @enclosure_logical_id: enclosure logical id
318 * @slot_number: slot number
319 * @boot_device: boot device object from bios page 2
321 * Returns 1 when there's a match, 0 means no match.
324 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id
, u16 slot_number
,
325 Mpi2BootDeviceEnclosureSlot_t
*boot_device
)
327 return (enclosure_logical_id
== le64_to_cpu(boot_device
->
328 EnclosureLogicalID
) && slot_number
== le16_to_cpu(boot_device
->
329 SlotNumber
)) ? 1 : 0;
333 * _scsih_is_boot_device - search for matching boot device.
334 * @sas_address: sas address
335 * @device_name: device name specified in INDENTIFY fram
336 * @enclosure_logical_id: enclosure logical id
337 * @slot_number: slot number
338 * @form: specifies boot device form
339 * @boot_device: boot device object from bios page 2
341 * Returns 1 when there's a match, 0 means no match.
344 _scsih_is_boot_device(u64 sas_address
, u64 device_name
,
345 u64 enclosure_logical_id
, u16 slot
, u8 form
,
346 Mpi2BiosPage2BootDevice_t
*boot_device
)
351 case MPI2_BIOSPAGE2_FORM_SAS_WWID
:
354 rc
= _scsih_srch_boot_sas_address(
355 sas_address
, &boot_device
->SasWwid
);
357 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT
:
358 if (!enclosure_logical_id
)
360 rc
= _scsih_srch_boot_encl_slot(
361 enclosure_logical_id
,
362 slot
, &boot_device
->EnclosureSlot
);
364 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME
:
367 rc
= _scsih_srch_boot_device_name(
368 device_name
, &boot_device
->DeviceName
);
370 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED
:
378 * _scsih_get_sas_address - set the sas_address for given device handle
379 * @handle: device handle
380 * @sas_address: sas address
382 * Returns 0 success, non-zero when failure
385 _scsih_get_sas_address(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
,
388 Mpi2SasDevicePage0_t sas_device_pg0
;
389 Mpi2ConfigReply_t mpi_reply
;
393 if (handle
<= ioc
->sas_hba
.num_phys
) {
394 *sas_address
= ioc
->sas_hba
.sas_address
;
398 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
399 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
400 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
401 __FILE__
, __LINE__
, __func__
);
405 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
406 if (ioc_status
== MPI2_IOCSTATUS_SUCCESS
) {
407 *sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
411 /* we hit this becuase the given parent handle doesn't exist */
412 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
414 /* else error case */
415 printk(MPT2SAS_ERR_FMT
"handle(0x%04x), ioc_status(0x%04x), "
416 "failure at %s:%d/%s()!\n", ioc
->name
, handle
, ioc_status
,
417 __FILE__
, __LINE__
, __func__
);
422 * _scsih_determine_boot_device - determine boot device.
423 * @ioc: per adapter object
424 * @device: either sas_device or raid_device object
425 * @is_raid: [flag] 1 = raid object, 0 = sas object
427 * Determines whether this device should be first reported device to
428 * to scsi-ml or sas transport, this purpose is for persistent boot device.
429 * There are primary, alternate, and current entries in bios page 2. The order
430 * priority is primary, alternate, then current. This routine saves
431 * the corresponding device object and is_raid flag in the ioc object.
432 * The saved data to be used later in _scsih_probe_boot_devices().
435 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER
*ioc
,
436 void *device
, u8 is_raid
)
438 struct _sas_device
*sas_device
;
439 struct _raid_device
*raid_device
;
442 u64 enclosure_logical_id
;
445 /* only process this function when driver loads */
446 if (!ioc
->is_driver_loading
)
449 /* no Bios, return immediately */
450 if (!ioc
->bios_pg3
.BiosVersion
)
455 sas_address
= sas_device
->sas_address
;
456 device_name
= sas_device
->device_name
;
457 enclosure_logical_id
= sas_device
->enclosure_logical_id
;
458 slot
= sas_device
->slot
;
460 raid_device
= device
;
461 sas_address
= raid_device
->wwid
;
463 enclosure_logical_id
= 0;
467 if (!ioc
->req_boot_device
.device
) {
468 if (_scsih_is_boot_device(sas_address
, device_name
,
469 enclosure_logical_id
, slot
,
470 (ioc
->bios_pg2
.ReqBootDeviceForm
&
471 MPI2_BIOSPAGE2_FORM_MASK
),
472 &ioc
->bios_pg2
.RequestedBootDevice
)) {
473 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
474 "%s: req_boot_device(0x%016llx)\n",
476 (unsigned long long)sas_address
));
477 ioc
->req_boot_device
.device
= device
;
478 ioc
->req_boot_device
.is_raid
= is_raid
;
482 if (!ioc
->req_alt_boot_device
.device
) {
483 if (_scsih_is_boot_device(sas_address
, device_name
,
484 enclosure_logical_id
, slot
,
485 (ioc
->bios_pg2
.ReqAltBootDeviceForm
&
486 MPI2_BIOSPAGE2_FORM_MASK
),
487 &ioc
->bios_pg2
.RequestedAltBootDevice
)) {
488 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
489 "%s: req_alt_boot_device(0x%016llx)\n",
491 (unsigned long long)sas_address
));
492 ioc
->req_alt_boot_device
.device
= device
;
493 ioc
->req_alt_boot_device
.is_raid
= is_raid
;
497 if (!ioc
->current_boot_device
.device
) {
498 if (_scsih_is_boot_device(sas_address
, device_name
,
499 enclosure_logical_id
, slot
,
500 (ioc
->bios_pg2
.CurrentBootDeviceForm
&
501 MPI2_BIOSPAGE2_FORM_MASK
),
502 &ioc
->bios_pg2
.CurrentBootDevice
)) {
503 dinitprintk(ioc
, printk(MPT2SAS_INFO_FMT
504 "%s: current_boot_device(0x%016llx)\n",
506 (unsigned long long)sas_address
));
507 ioc
->current_boot_device
.device
= device
;
508 ioc
->current_boot_device
.is_raid
= is_raid
;
514 * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
515 * @ioc: per adapter object
516 * @sas_address: sas address
517 * Context: Calling function should acquire ioc->sas_device_lock
519 * This searches for sas_device based on sas_address, then return sas_device
523 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
526 struct _sas_device
*sas_device
;
528 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
529 if (sas_device
->sas_address
== sas_address
)
532 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
533 if (sas_device
->sas_address
== sas_address
)
540 * _scsih_sas_device_find_by_handle - sas device search
541 * @ioc: per adapter object
542 * @handle: sas device handle (assigned by firmware)
543 * Context: Calling function should acquire ioc->sas_device_lock
545 * This searches for sas_device based on sas_address, then return sas_device
548 static struct _sas_device
*
549 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
551 struct _sas_device
*sas_device
;
553 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
)
554 if (sas_device
->handle
== handle
)
557 list_for_each_entry(sas_device
, &ioc
->sas_device_init_list
, list
)
558 if (sas_device
->handle
== handle
)
565 * _scsih_sas_device_remove - remove sas_device from list.
566 * @ioc: per adapter object
567 * @sas_device: the sas_device object
568 * Context: This function will acquire ioc->sas_device_lock.
570 * Removing object and freeing associated memory from the ioc->sas_device_list.
573 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
574 struct _sas_device
*sas_device
)
581 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
582 list_del(&sas_device
->list
);
584 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
589 * _scsih_sas_device_add - insert sas_device to the list.
590 * @ioc: per adapter object
591 * @sas_device: the sas_device object
592 * Context: This function will acquire ioc->sas_device_lock.
594 * Adding new object to the ioc->sas_device_list.
597 _scsih_sas_device_add(struct MPT2SAS_ADAPTER
*ioc
,
598 struct _sas_device
*sas_device
)
602 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
603 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
604 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
606 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
607 list_add_tail(&sas_device
->list
, &ioc
->sas_device_list
);
608 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
610 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
611 sas_device
->sas_address_parent
)) {
612 _scsih_sas_device_remove(ioc
, sas_device
);
613 } else if (!sas_device
->starget
) {
614 /* When asyn scanning is enabled, its not possible to remove
615 * devices while scanning is turned on due to an oops in
616 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
618 if (!ioc
->is_driver_loading
)
619 mpt2sas_transport_port_remove(ioc
,
620 sas_device
->sas_address
,
621 sas_device
->sas_address_parent
);
622 _scsih_sas_device_remove(ioc
, sas_device
);
627 * _scsih_sas_device_init_add - insert sas_device to the list.
628 * @ioc: per adapter object
629 * @sas_device: the sas_device object
630 * Context: This function will acquire ioc->sas_device_lock.
632 * Adding new object at driver load time to the ioc->sas_device_init_list.
635 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER
*ioc
,
636 struct _sas_device
*sas_device
)
640 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
641 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
642 sas_device
->handle
, (unsigned long long)sas_device
->sas_address
));
644 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
645 list_add_tail(&sas_device
->list
, &ioc
->sas_device_init_list
);
646 _scsih_determine_boot_device(ioc
, sas_device
, 0);
647 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
651 * _scsih_raid_device_find_by_id - raid device search
652 * @ioc: per adapter object
653 * @id: sas device target id
654 * @channel: sas device channel
655 * Context: Calling function should acquire ioc->raid_device_lock
657 * This searches for raid_device based on target id, then return raid_device
660 static struct _raid_device
*
661 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER
*ioc
, int id
, int channel
)
663 struct _raid_device
*raid_device
, *r
;
666 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
667 if (raid_device
->id
== id
&& raid_device
->channel
== channel
) {
678 * _scsih_raid_device_find_by_handle - raid device search
679 * @ioc: per adapter object
680 * @handle: sas device handle (assigned by firmware)
681 * Context: Calling function should acquire ioc->raid_device_lock
683 * This searches for raid_device based on handle, then return raid_device
686 static struct _raid_device
*
687 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
689 struct _raid_device
*raid_device
, *r
;
692 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
693 if (raid_device
->handle
!= handle
)
704 * _scsih_raid_device_find_by_wwid - raid device search
705 * @ioc: per adapter object
706 * @handle: sas device handle (assigned by firmware)
707 * Context: Calling function should acquire ioc->raid_device_lock
709 * This searches for raid_device based on wwid, then return raid_device
712 static struct _raid_device
*
713 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
)
715 struct _raid_device
*raid_device
, *r
;
718 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
719 if (raid_device
->wwid
!= wwid
)
730 * _scsih_raid_device_add - add raid_device object
731 * @ioc: per adapter object
732 * @raid_device: raid_device object
734 * This is added to the raid_device_list link list.
737 _scsih_raid_device_add(struct MPT2SAS_ADAPTER
*ioc
,
738 struct _raid_device
*raid_device
)
742 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle"
743 "(0x%04x), wwid(0x%016llx)\n", ioc
->name
, __func__
,
744 raid_device
->handle
, (unsigned long long)raid_device
->wwid
));
746 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
747 list_add_tail(&raid_device
->list
, &ioc
->raid_device_list
);
748 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
752 * _scsih_raid_device_remove - delete raid_device object
753 * @ioc: per adapter object
754 * @raid_device: raid_device object
758 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER
*ioc
,
759 struct _raid_device
*raid_device
)
763 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
764 list_del(&raid_device
->list
);
766 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
770 * mpt2sas_scsih_expander_find_by_handle - expander device search
771 * @ioc: per adapter object
772 * @handle: expander handle (assigned by firmware)
773 * Context: Calling function should acquire ioc->sas_device_lock
775 * This searches for expander device based on handle, then returns the
779 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
781 struct _sas_node
*sas_expander
, *r
;
784 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
785 if (sas_expander
->handle
!= handle
)
795 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
796 * @ioc: per adapter object
797 * @sas_address: sas address
798 * Context: Calling function should acquire ioc->sas_node_lock.
800 * This searches for expander device based on sas_address, then returns the
804 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
807 struct _sas_node
*sas_expander
, *r
;
810 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
811 if (sas_expander
->sas_address
!= sas_address
)
821 * _scsih_expander_node_add - insert expander device to the list.
822 * @ioc: per adapter object
823 * @sas_expander: the sas_device object
824 * Context: This function will acquire ioc->sas_node_lock.
826 * Adding new object to the ioc->sas_expander_list.
831 _scsih_expander_node_add(struct MPT2SAS_ADAPTER
*ioc
,
832 struct _sas_node
*sas_expander
)
836 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
837 list_add_tail(&sas_expander
->list
, &ioc
->sas_expander_list
);
838 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
842 * _scsih_is_end_device - determines if device is an end device
843 * @device_info: bitfield providing information about the device.
846 * Returns 1 if end device.
849 _scsih_is_end_device(u32 device_info
)
851 if (device_info
& MPI2_SAS_DEVICE_INFO_END_DEVICE
&&
852 ((device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) |
853 (device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
) |
854 (device_info
& MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)))
861 * _scsih_scsi_lookup_get - returns scmd entry
862 * @ioc: per adapter object
863 * @smid: system request message index
865 * Returns the smid stored scmd pointer.
867 static struct scsi_cmnd
*
868 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
870 return ioc
->scsi_lookup
[smid
- 1].scmd
;
874 * _scsih_scsi_lookup_get_clear - returns scmd entry
875 * @ioc: per adapter object
876 * @smid: system request message index
878 * Returns the smid stored scmd pointer.
879 * Then will derefrence the stored scmd pointer.
881 static inline struct scsi_cmnd
*
882 _scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
885 struct scsi_cmnd
*scmd
;
887 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
888 scmd
= ioc
->scsi_lookup
[smid
- 1].scmd
;
889 ioc
->scsi_lookup
[smid
- 1].scmd
= NULL
;
890 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
896 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
897 * @ioc: per adapter object
898 * @smid: system request message index
899 * @scmd: pointer to scsi command object
900 * Context: This function will acquire ioc->scsi_lookup_lock.
902 * This will search for a scmd pointer in the scsi_lookup array,
903 * returning the revelent smid. A returned value of zero means invalid.
906 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
913 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
915 for (i
= 0; i
< ioc
->scsiio_depth
; i
++) {
916 if (ioc
->scsi_lookup
[i
].scmd
== scmd
) {
917 smid
= ioc
->scsi_lookup
[i
].smid
;
922 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
927 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
928 * @ioc: per adapter object
931 * Context: This function will acquire ioc->scsi_lookup_lock.
933 * This will search for a matching channel:id in the scsi_lookup array,
934 * returning 1 if found.
937 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER
*ioc
, int id
,
944 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
946 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
947 if (ioc
->scsi_lookup
[i
].scmd
&&
948 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
949 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
)) {
955 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
960 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
961 * @ioc: per adapter object
965 * Context: This function will acquire ioc->scsi_lookup_lock.
967 * This will search for a matching channel:id:lun in the scsi_lookup array,
968 * returning 1 if found.
971 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER
*ioc
, int id
,
972 unsigned int lun
, int channel
)
978 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
980 for (i
= 0 ; i
< ioc
->scsiio_depth
; i
++) {
981 if (ioc
->scsi_lookup
[i
].scmd
&&
982 (ioc
->scsi_lookup
[i
].scmd
->device
->id
== id
&&
983 ioc
->scsi_lookup
[i
].scmd
->device
->channel
== channel
&&
984 ioc
->scsi_lookup
[i
].scmd
->device
->lun
== lun
)) {
990 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
995 * _scsih_get_chain_buffer_tracker - obtain chain tracker
996 * @ioc: per adapter object
997 * @smid: smid associated to an IO request
999 * Returns chain tracker(from ioc->free_chain_list)
1001 static struct chain_tracker
*
1002 _scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
1004 struct chain_tracker
*chain_req
;
1005 unsigned long flags
;
1007 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
1008 if (list_empty(&ioc
->free_chain_list
)) {
1009 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1010 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
"chain buffers not "
1011 "available\n", ioc
->name
));
1014 chain_req
= list_entry(ioc
->free_chain_list
.next
,
1015 struct chain_tracker
, tracker_list
);
1016 list_del_init(&chain_req
->tracker_list
);
1017 list_add_tail(&chain_req
->tracker_list
,
1018 &ioc
->scsi_lookup
[smid
- 1].chain_list
);
1019 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
1024 * _scsih_build_scatter_gather - main sg creation routine
1025 * @ioc: per adapter object
1026 * @scmd: scsi command
1027 * @smid: system request message index
1030 * The main routine that builds scatter gather table from a given
1031 * scsi request sent via the .queuecommand main handler.
1033 * Returns 0 success, anything else error
1036 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER
*ioc
,
1037 struct scsi_cmnd
*scmd
, u16 smid
)
1039 Mpi2SCSIIORequest_t
*mpi_request
;
1040 dma_addr_t chain_dma
;
1041 struct scatterlist
*sg_scmd
;
1042 void *sg_local
, *chain
;
1047 u32 sges_in_segment
;
1049 u32 sgl_flags_last_element
;
1050 u32 sgl_flags_end_buffer
;
1051 struct chain_tracker
*chain_req
;
1053 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
1055 /* init scatter gather flags */
1056 sgl_flags
= MPI2_SGE_FLAGS_SIMPLE_ELEMENT
;
1057 if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
1058 sgl_flags
|= MPI2_SGE_FLAGS_HOST_TO_IOC
;
1059 sgl_flags_last_element
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
)
1060 << MPI2_SGE_FLAGS_SHIFT
;
1061 sgl_flags_end_buffer
= (sgl_flags
| MPI2_SGE_FLAGS_LAST_ELEMENT
|
1062 MPI2_SGE_FLAGS_END_OF_BUFFER
| MPI2_SGE_FLAGS_END_OF_LIST
)
1063 << MPI2_SGE_FLAGS_SHIFT
;
1064 sgl_flags
= sgl_flags
<< MPI2_SGE_FLAGS_SHIFT
;
1066 sg_scmd
= scsi_sglist(scmd
);
1067 sges_left
= scsi_dma_map(scmd
);
1068 if (sges_left
< 0) {
1069 sdev_printk(KERN_ERR
, scmd
->device
, "pci_map_sg"
1070 " failed: request for %d bytes!\n", scsi_bufflen(scmd
));
1074 sg_local
= &mpi_request
->SGL
;
1075 sges_in_segment
= ioc
->max_sges_in_main_message
;
1076 if (sges_left
<= sges_in_segment
)
1077 goto fill_in_last_segment
;
1079 mpi_request
->ChainOffset
= (offsetof(Mpi2SCSIIORequest_t
, SGL
) +
1080 (sges_in_segment
* ioc
->sge_size
))/4;
1082 /* fill in main message segment when there is a chain following */
1083 while (sges_in_segment
) {
1084 if (sges_in_segment
== 1)
1085 ioc
->base_add_sg_single(sg_local
,
1086 sgl_flags_last_element
| sg_dma_len(sg_scmd
),
1087 sg_dma_address(sg_scmd
));
1089 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1090 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1091 sg_scmd
= sg_next(sg_scmd
);
1092 sg_local
+= ioc
->sge_size
;
1097 /* initializing the chain flags and pointers */
1098 chain_flags
= MPI2_SGE_FLAGS_CHAIN_ELEMENT
<< MPI2_SGE_FLAGS_SHIFT
;
1099 chain_req
= _scsih_get_chain_buffer_tracker(ioc
, smid
);
1102 chain
= chain_req
->chain_buffer
;
1103 chain_dma
= chain_req
->chain_buffer_dma
;
1105 sges_in_segment
= (sges_left
<=
1106 ioc
->max_sges_in_chain_message
) ? sges_left
:
1107 ioc
->max_sges_in_chain_message
;
1108 chain_offset
= (sges_left
== sges_in_segment
) ?
1109 0 : (sges_in_segment
* ioc
->sge_size
)/4;
1110 chain_length
= sges_in_segment
* ioc
->sge_size
;
1112 chain_offset
= chain_offset
<<
1113 MPI2_SGE_CHAIN_OFFSET_SHIFT
;
1114 chain_length
+= ioc
->sge_size
;
1116 ioc
->base_add_sg_single(sg_local
, chain_flags
| chain_offset
|
1117 chain_length
, chain_dma
);
1120 goto fill_in_last_segment
;
1122 /* fill in chain segments */
1123 while (sges_in_segment
) {
1124 if (sges_in_segment
== 1)
1125 ioc
->base_add_sg_single(sg_local
,
1126 sgl_flags_last_element
|
1127 sg_dma_len(sg_scmd
),
1128 sg_dma_address(sg_scmd
));
1130 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1131 sg_dma_len(sg_scmd
),
1132 sg_dma_address(sg_scmd
));
1133 sg_scmd
= sg_next(sg_scmd
);
1134 sg_local
+= ioc
->sge_size
;
1139 chain_req
= _scsih_get_chain_buffer_tracker(ioc
, smid
);
1142 chain
= chain_req
->chain_buffer
;
1143 chain_dma
= chain_req
->chain_buffer_dma
;
1147 fill_in_last_segment
:
1149 /* fill the last segment */
1152 ioc
->base_add_sg_single(sg_local
, sgl_flags_end_buffer
|
1153 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1155 ioc
->base_add_sg_single(sg_local
, sgl_flags
|
1156 sg_dma_len(sg_scmd
), sg_dma_address(sg_scmd
));
1157 sg_scmd
= sg_next(sg_scmd
);
1158 sg_local
+= ioc
->sge_size
;
1166 * _scsih_adjust_queue_depth - setting device queue depth
1167 * @sdev: scsi device struct
1168 * @qdepth: requested queue depth
1174 _scsih_adjust_queue_depth(struct scsi_device
*sdev
, int qdepth
)
1176 struct Scsi_Host
*shost
= sdev
->host
;
1178 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1179 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1180 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1181 struct _sas_device
*sas_device
;
1182 unsigned long flags
;
1184 max_depth
= shost
->can_queue
;
1186 /* limit max device queue for SATA to 32 */
1187 sas_device_priv_data
= sdev
->hostdata
;
1188 if (!sas_device_priv_data
)
1190 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1191 if (!sas_target_priv_data
)
1193 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))
1195 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1196 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1197 sas_device_priv_data
->sas_target
->sas_address
);
1198 if (sas_device
&& sas_device
->device_info
&
1199 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
1200 max_depth
= MPT2SAS_SATA_QUEUE_DEPTH
;
1201 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1205 if (!sdev
->tagged_supported
)
1207 if (qdepth
> max_depth
)
1209 scsi_adjust_queue_depth(sdev
, scsi_get_tag_type(sdev
), qdepth
);
1213 * _scsih_change_queue_depth - setting device queue depth
1214 * @sdev: scsi device struct
1215 * @qdepth: requested queue depth
1216 * @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP
1217 * (see include/scsi/scsi_host.h for definition)
1219 * Returns queue depth.
1222 _scsih_change_queue_depth(struct scsi_device
*sdev
, int qdepth
, int reason
)
1224 if (reason
== SCSI_QDEPTH_DEFAULT
|| reason
== SCSI_QDEPTH_RAMP_UP
)
1225 _scsih_adjust_queue_depth(sdev
, qdepth
);
1226 else if (reason
== SCSI_QDEPTH_QFULL
)
1227 scsi_track_queue_full(sdev
, qdepth
);
1231 if (sdev
->inquiry_len
> 7)
1232 sdev_printk(KERN_INFO
, sdev
, "qdepth(%d), tagged(%d), "
1233 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1234 sdev
->queue_depth
, sdev
->tagged_supported
, sdev
->simple_tags
,
1235 sdev
->ordered_tags
, sdev
->scsi_level
,
1236 (sdev
->inquiry
[7] & 2) >> 1);
1238 return sdev
->queue_depth
;
1242 * _scsih_change_queue_type - changing device queue tag type
1243 * @sdev: scsi device struct
1244 * @tag_type: requested tag type
1246 * Returns queue tag type.
1249 _scsih_change_queue_type(struct scsi_device
*sdev
, int tag_type
)
1251 if (sdev
->tagged_supported
) {
1252 scsi_set_tag_type(sdev
, tag_type
);
1254 scsi_activate_tcq(sdev
, sdev
->queue_depth
);
1256 scsi_deactivate_tcq(sdev
, sdev
->queue_depth
);
1264 * _scsih_target_alloc - target add routine
1265 * @starget: scsi target struct
1267 * Returns 0 if ok. Any other return is assumed to be an error and
1268 * the device is ignored.
1271 _scsih_target_alloc(struct scsi_target
*starget
)
1273 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1274 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1275 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1276 struct _sas_device
*sas_device
;
1277 struct _raid_device
*raid_device
;
1278 unsigned long flags
;
1279 struct sas_rphy
*rphy
;
1281 sas_target_priv_data
= kzalloc(sizeof(struct scsi_target
), GFP_KERNEL
);
1282 if (!sas_target_priv_data
)
1285 starget
->hostdata
= sas_target_priv_data
;
1286 sas_target_priv_data
->starget
= starget
;
1287 sas_target_priv_data
->handle
= MPT2SAS_INVALID_DEVICE_HANDLE
;
1290 if (starget
->channel
== RAID_CHANNEL
) {
1291 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1292 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1295 sas_target_priv_data
->handle
= raid_device
->handle
;
1296 sas_target_priv_data
->sas_address
= raid_device
->wwid
;
1297 sas_target_priv_data
->flags
|= MPT_TARGET_FLAGS_VOLUME
;
1298 if (ioc
->is_warpdrive
)
1299 sas_target_priv_data
->raid_device
= raid_device
;
1300 raid_device
->starget
= starget
;
1302 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1306 /* sas/sata devices */
1307 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1308 rphy
= dev_to_rphy(starget
->dev
.parent
);
1309 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1310 rphy
->identify
.sas_address
);
1313 sas_target_priv_data
->handle
= sas_device
->handle
;
1314 sas_target_priv_data
->sas_address
= sas_device
->sas_address
;
1315 sas_device
->starget
= starget
;
1316 sas_device
->id
= starget
->id
;
1317 sas_device
->channel
= starget
->channel
;
1318 if (test_bit(sas_device
->handle
, ioc
->pd_handles
))
1319 sas_target_priv_data
->flags
|=
1320 MPT_TARGET_FLAGS_RAID_COMPONENT
;
1322 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1328 * _scsih_target_destroy - target destroy routine
1329 * @starget: scsi target struct
1334 _scsih_target_destroy(struct scsi_target
*starget
)
1336 struct Scsi_Host
*shost
= dev_to_shost(&starget
->dev
);
1337 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1338 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1339 struct _sas_device
*sas_device
;
1340 struct _raid_device
*raid_device
;
1341 unsigned long flags
;
1342 struct sas_rphy
*rphy
;
1344 sas_target_priv_data
= starget
->hostdata
;
1345 if (!sas_target_priv_data
)
1348 if (starget
->channel
== RAID_CHANNEL
) {
1349 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1350 raid_device
= _scsih_raid_device_find_by_id(ioc
, starget
->id
,
1353 raid_device
->starget
= NULL
;
1354 raid_device
->sdev
= NULL
;
1356 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1360 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1361 rphy
= dev_to_rphy(starget
->dev
.parent
);
1362 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1363 rphy
->identify
.sas_address
);
1364 if (sas_device
&& (sas_device
->starget
== starget
) &&
1365 (sas_device
->id
== starget
->id
) &&
1366 (sas_device
->channel
== starget
->channel
))
1367 sas_device
->starget
= NULL
;
1369 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1372 kfree(sas_target_priv_data
);
1373 starget
->hostdata
= NULL
;
1377 * _scsih_slave_alloc - device add routine
1378 * @sdev: scsi device struct
1380 * Returns 0 if ok. Any other return is assumed to be an error and
1381 * the device is ignored.
1384 _scsih_slave_alloc(struct scsi_device
*sdev
)
1386 struct Scsi_Host
*shost
;
1387 struct MPT2SAS_ADAPTER
*ioc
;
1388 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1389 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1390 struct scsi_target
*starget
;
1391 struct _raid_device
*raid_device
;
1392 unsigned long flags
;
1394 sas_device_priv_data
= kzalloc(sizeof(struct scsi_device
), GFP_KERNEL
);
1395 if (!sas_device_priv_data
)
1398 sas_device_priv_data
->lun
= sdev
->lun
;
1399 sas_device_priv_data
->flags
= MPT_DEVICE_FLAGS_INIT
;
1401 starget
= scsi_target(sdev
);
1402 sas_target_priv_data
= starget
->hostdata
;
1403 sas_target_priv_data
->num_luns
++;
1404 sas_device_priv_data
->sas_target
= sas_target_priv_data
;
1405 sdev
->hostdata
= sas_device_priv_data
;
1406 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
))
1407 sdev
->no_uld_attach
= 1;
1409 shost
= dev_to_shost(&starget
->dev
);
1410 ioc
= shost_priv(shost
);
1411 if (starget
->channel
== RAID_CHANNEL
) {
1412 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1413 raid_device
= _scsih_raid_device_find_by_id(ioc
,
1414 starget
->id
, starget
->channel
);
1416 raid_device
->sdev
= sdev
; /* raid is single lun */
1417 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1424 * _scsih_slave_destroy - device destroy routine
1425 * @sdev: scsi device struct
1430 _scsih_slave_destroy(struct scsi_device
*sdev
)
1432 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1433 struct scsi_target
*starget
;
1434 struct Scsi_Host
*shost
;
1435 struct MPT2SAS_ADAPTER
*ioc
;
1436 struct _sas_device
*sas_device
;
1437 unsigned long flags
;
1439 if (!sdev
->hostdata
)
1442 starget
= scsi_target(sdev
);
1443 sas_target_priv_data
= starget
->hostdata
;
1444 sas_target_priv_data
->num_luns
--;
1446 shost
= dev_to_shost(&starget
->dev
);
1447 ioc
= shost_priv(shost
);
1449 if (!(sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
)) {
1450 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
1451 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
1452 sas_target_priv_data
->sas_address
);
1453 if (sas_device
&& !sas_target_priv_data
->num_luns
)
1454 sas_device
->starget
= NULL
;
1455 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
1458 kfree(sdev
->hostdata
);
1459 sdev
->hostdata
= NULL
;
1463 * _scsih_display_sata_capabilities - sata capabilities
1464 * @ioc: per adapter object
1465 * @handle: device handle
1466 * @sdev: scsi device struct
1469 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1470 u16 handle
, struct scsi_device
*sdev
)
1472 Mpi2ConfigReply_t mpi_reply
;
1473 Mpi2SasDevicePage0_t sas_device_pg0
;
1478 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
1479 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
1480 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1481 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1485 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1486 MPI2_IOCSTATUS_MASK
;
1487 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
1488 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1489 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1493 flags
= le16_to_cpu(sas_device_pg0
.Flags
);
1494 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1496 sdev_printk(KERN_INFO
, sdev
,
1497 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1498 "sw_preserve(%s)\n",
1499 (device_info
& MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE
) ? "y" : "n",
1500 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED
) ? "y" : "n",
1501 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY
) ? "y" :
1503 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED
) ? "y" : "n",
1504 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED
) ? "y" : "n",
1505 (flags
& MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE
) ? "y" : "n");
1509 * _scsih_is_raid - return boolean indicating device is raid volume
1510 * @dev the device struct object
1513 _scsih_is_raid(struct device
*dev
)
1515 struct scsi_device
*sdev
= to_scsi_device(dev
);
1516 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1518 if (ioc
->is_warpdrive
)
1520 return (sdev
->channel
== RAID_CHANNEL
) ? 1 : 0;
1524 * _scsih_get_resync - get raid volume resync percent complete
1525 * @dev the device struct object
1528 _scsih_get_resync(struct device
*dev
)
1530 struct scsi_device
*sdev
= to_scsi_device(dev
);
1531 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1532 static struct _raid_device
*raid_device
;
1533 unsigned long flags
;
1534 Mpi2RaidVolPage0_t vol_pg0
;
1535 Mpi2ConfigReply_t mpi_reply
;
1536 u32 volume_status_flags
;
1537 u8 percent_complete
;
1540 percent_complete
= 0;
1542 if (ioc
->is_warpdrive
)
1545 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1546 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1549 handle
= raid_device
->handle
;
1550 percent_complete
= raid_device
->percent_complete
;
1552 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1557 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1558 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1559 sizeof(Mpi2RaidVolPage0_t
))) {
1560 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1561 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1562 percent_complete
= 0;
1566 volume_status_flags
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1567 if (!(volume_status_flags
&
1568 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
))
1569 percent_complete
= 0;
1572 raid_set_resync(mpt2sas_raid_template
, dev
, percent_complete
);
1576 * _scsih_get_state - get raid volume level
1577 * @dev the device struct object
1580 _scsih_get_state(struct device
*dev
)
1582 struct scsi_device
*sdev
= to_scsi_device(dev
);
1583 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(sdev
->host
);
1584 static struct _raid_device
*raid_device
;
1585 unsigned long flags
;
1586 Mpi2RaidVolPage0_t vol_pg0
;
1587 Mpi2ConfigReply_t mpi_reply
;
1589 enum raid_state state
= RAID_STATE_UNKNOWN
;
1592 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1593 raid_device
= _scsih_raid_device_find_by_id(ioc
, sdev
->id
,
1596 handle
= raid_device
->handle
;
1597 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1602 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, &vol_pg0
,
1603 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
1604 sizeof(Mpi2RaidVolPage0_t
))) {
1605 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
1606 ioc
->name
, __FILE__
, __LINE__
, __func__
);
1610 volstate
= le32_to_cpu(vol_pg0
.VolumeStatusFlags
);
1611 if (volstate
& MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
) {
1612 state
= RAID_STATE_RESYNCING
;
1616 switch (vol_pg0
.VolumeState
) {
1617 case MPI2_RAID_VOL_STATE_OPTIMAL
:
1618 case MPI2_RAID_VOL_STATE_ONLINE
:
1619 state
= RAID_STATE_ACTIVE
;
1621 case MPI2_RAID_VOL_STATE_DEGRADED
:
1622 state
= RAID_STATE_DEGRADED
;
1624 case MPI2_RAID_VOL_STATE_FAILED
:
1625 case MPI2_RAID_VOL_STATE_MISSING
:
1626 state
= RAID_STATE_OFFLINE
;
1630 raid_set_state(mpt2sas_raid_template
, dev
, state
);
1634 * _scsih_set_level - set raid level
1635 * @sdev: scsi device struct
1636 * @volume_type: volume type
1639 _scsih_set_level(struct scsi_device
*sdev
, u8 volume_type
)
1641 enum raid_level level
= RAID_LEVEL_UNKNOWN
;
1643 switch (volume_type
) {
1644 case MPI2_RAID_VOL_TYPE_RAID0
:
1645 level
= RAID_LEVEL_0
;
1647 case MPI2_RAID_VOL_TYPE_RAID10
:
1648 level
= RAID_LEVEL_10
;
1650 case MPI2_RAID_VOL_TYPE_RAID1E
:
1651 level
= RAID_LEVEL_1E
;
1653 case MPI2_RAID_VOL_TYPE_RAID1
:
1654 level
= RAID_LEVEL_1
;
1658 raid_set_level(mpt2sas_raid_template
, &sdev
->sdev_gendev
, level
);
1662 * _scsih_get_volume_capabilities - volume capabilities
1663 * @ioc: per adapter object
1664 * @sas_device: the raid_device object
1666 * Returns 0 for success, else 1
1669 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER
*ioc
,
1670 struct _raid_device
*raid_device
)
1672 Mpi2RaidVolPage0_t
*vol_pg0
;
1673 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1674 Mpi2SasDevicePage0_t sas_device_pg0
;
1675 Mpi2ConfigReply_t mpi_reply
;
1679 if ((mpt2sas_config_get_number_pds(ioc
, raid_device
->handle
,
1680 &num_pds
)) || !num_pds
) {
1681 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1682 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1687 raid_device
->num_pds
= num_pds
;
1688 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1689 sizeof(Mpi2RaidVol0PhysDisk_t
));
1690 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1692 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1693 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1698 if ((mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1699 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1700 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
1701 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
, __LINE__
,
1707 raid_device
->volume_type
= vol_pg0
->VolumeType
;
1709 /* figure out what the underlying devices are by
1710 * obtaining the device_info bits for the 1st device
1712 if (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1713 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1714 vol_pg0
->PhysDisk
[0].PhysDiskNum
))) {
1715 if (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
1716 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
1717 le16_to_cpu(pd_pg0
.DevHandle
)))) {
1718 raid_device
->device_info
=
1719 le32_to_cpu(sas_device_pg0
.DeviceInfo
);
1727 * _scsih_disable_ddio - Disable direct I/O for all the volumes
1728 * @ioc: per adapter object
1731 _scsih_disable_ddio(struct MPT2SAS_ADAPTER
*ioc
)
1733 Mpi2RaidVolPage1_t vol_pg1
;
1734 Mpi2ConfigReply_t mpi_reply
;
1735 struct _raid_device
*raid_device
;
1738 unsigned long flags
;
1741 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
1742 &vol_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
1743 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1744 MPI2_IOCSTATUS_MASK
;
1745 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
1747 handle
= le16_to_cpu(vol_pg1
.DevHandle
);
1748 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
1749 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
1751 raid_device
->direct_io_enabled
= 0;
1752 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
1759 * _scsih_get_num_volumes - Get number of volumes in the ioc
1760 * @ioc: per adapter object
1763 _scsih_get_num_volumes(struct MPT2SAS_ADAPTER
*ioc
)
1765 Mpi2RaidVolPage1_t vol_pg1
;
1766 Mpi2ConfigReply_t mpi_reply
;
1772 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
1773 &vol_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
1774 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
1775 MPI2_IOCSTATUS_MASK
;
1776 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
1779 handle
= le16_to_cpu(vol_pg1
.DevHandle
);
1786 * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O.
1787 * @ioc: per adapter object
1788 * @raid_device: the raid_device object
1791 _scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER
*ioc
,
1792 struct _raid_device
*raid_device
)
1794 Mpi2RaidVolPage0_t
*vol_pg0
;
1795 Mpi2RaidPhysDiskPage0_t pd_pg0
;
1796 Mpi2ConfigReply_t mpi_reply
;
1799 unsigned long stripe_sz
, block_sz
;
1800 u8 stripe_exp
, block_exp
;
1803 if (!ioc
->is_warpdrive
)
1806 if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_EXPOSE_ALL_DISKS
) {
1807 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1808 "globally as drives are exposed\n", ioc
->name
);
1811 if (_scsih_get_num_volumes(ioc
) > 1) {
1812 _scsih_disable_ddio(ioc
);
1813 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1814 "globally as number of drives > 1\n", ioc
->name
);
1817 if ((mpt2sas_config_get_number_pds(ioc
, raid_device
->handle
,
1818 &num_pds
)) || !num_pds
) {
1819 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1820 "Failure in computing number of drives\n", ioc
->name
);
1824 sz
= offsetof(Mpi2RaidVolPage0_t
, PhysDisk
) + (num_pds
*
1825 sizeof(Mpi2RaidVol0PhysDisk_t
));
1826 vol_pg0
= kzalloc(sz
, GFP_KERNEL
);
1828 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1829 "Memory allocation failure for RVPG0\n", ioc
->name
);
1833 if ((mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
, vol_pg0
,
1834 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, raid_device
->handle
, sz
))) {
1835 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1836 "Failure in retrieving RVPG0\n", ioc
->name
);
1842 * WARPDRIVE:If number of physical disks in a volume exceeds the max pds
1843 * assumed for WARPDRIVE, disable direct I/O
1845 if (num_pds
> MPT_MAX_WARPDRIVE_PDS
) {
1846 printk(MPT2SAS_WARN_FMT
"WarpDrive : Direct IO is disabled "
1847 "for the drive with handle(0x%04x): num_mem=%d, "
1848 "max_mem_allowed=%d\n", ioc
->name
, raid_device
->handle
,
1849 num_pds
, MPT_MAX_WARPDRIVE_PDS
);
1853 for (count
= 0; count
< num_pds
; count
++) {
1854 if (mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
1855 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM
,
1856 vol_pg0
->PhysDisk
[count
].PhysDiskNum
) ||
1857 le16_to_cpu(pd_pg0
.DevHandle
) ==
1858 MPT2SAS_INVALID_DEVICE_HANDLE
) {
1859 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is "
1860 "disabled for the drive with handle(0x%04x) member"
1861 "handle retrieval failed for member number=%d\n",
1862 ioc
->name
, raid_device
->handle
,
1863 vol_pg0
->PhysDisk
[count
].PhysDiskNum
);
1866 /* Disable direct I/O if member drive lba exceeds 4 bytes */
1867 dev_max_lba
= le64_to_cpu(pd_pg0
.DeviceMaxLBA
);
1868 if (dev_max_lba
>> 32) {
1869 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is "
1870 "disabled for the drive with handle(0x%04x) member"
1871 "handle (0x%04x) unsupported max lba 0x%016llx\n",
1872 ioc
->name
, raid_device
->handle
,
1873 le16_to_cpu(pd_pg0
.DevHandle
),
1874 (unsigned long long)dev_max_lba
);
1878 raid_device
->pd_handle
[count
] = le16_to_cpu(pd_pg0
.DevHandle
);
1882 * Assumption for WD: Direct I/O is not supported if the volume is
1885 if (raid_device
->volume_type
!= MPI2_RAID_VOL_TYPE_RAID0
) {
1886 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1887 "for the drive with handle(0x%04x): type=%d, "
1888 "s_sz=%uK, blk_size=%u\n", ioc
->name
,
1889 raid_device
->handle
, raid_device
->volume_type
,
1890 (le32_to_cpu(vol_pg0
->StripeSize
) *
1891 le16_to_cpu(vol_pg0
->BlockSize
)) / 1024,
1892 le16_to_cpu(vol_pg0
->BlockSize
));
1896 stripe_sz
= le32_to_cpu(vol_pg0
->StripeSize
);
1897 stripe_exp
= find_first_bit(&stripe_sz
, 32);
1898 if (stripe_exp
== 32) {
1899 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1900 "for the drive with handle(0x%04x) invalid stripe sz %uK\n",
1901 ioc
->name
, raid_device
->handle
,
1902 (le32_to_cpu(vol_pg0
->StripeSize
) *
1903 le16_to_cpu(vol_pg0
->BlockSize
)) / 1024);
1906 raid_device
->stripe_exponent
= stripe_exp
;
1907 block_sz
= le16_to_cpu(vol_pg0
->BlockSize
);
1908 block_exp
= find_first_bit(&block_sz
, 16);
1909 if (block_exp
== 16) {
1910 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is disabled "
1911 "for the drive with handle(0x%04x) invalid block sz %u\n",
1912 ioc
->name
, raid_device
->handle
,
1913 le16_to_cpu(vol_pg0
->BlockSize
));
1916 raid_device
->block_exponent
= block_exp
;
1917 raid_device
->direct_io_enabled
= 1;
1919 printk(MPT2SAS_INFO_FMT
"WarpDrive : Direct IO is Enabled for the drive"
1920 " with handle(0x%04x)\n", ioc
->name
, raid_device
->handle
);
1922 * WARPDRIVE: Though the following fields are not used for direct IO,
1923 * stored for future purpose:
1925 raid_device
->max_lba
= le64_to_cpu(vol_pg0
->MaxLBA
);
1926 raid_device
->stripe_sz
= le32_to_cpu(vol_pg0
->StripeSize
);
1927 raid_device
->block_sz
= le16_to_cpu(vol_pg0
->BlockSize
);
1934 raid_device
->direct_io_enabled
= 0;
1935 for (count
= 0; count
< num_pds
; count
++)
1936 raid_device
->pd_handle
[count
] = 0;
1942 * _scsih_enable_tlr - setting TLR flags
1943 * @ioc: per adapter object
1944 * @sdev: scsi device struct
1946 * Enabling Transaction Layer Retries for tape devices when
1947 * vpd page 0x90 is present
1951 _scsih_enable_tlr(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_device
*sdev
)
1954 if (sdev
->type
!= TYPE_TAPE
)
1957 if (!(ioc
->facts
.IOCCapabilities
& MPI2_IOCFACTS_CAPABILITY_TLR
))
1960 sas_enable_tlr(sdev
);
1961 sdev_printk(KERN_INFO
, sdev
, "TLR %s\n",
1962 sas_is_tlr_enabled(sdev
) ? "Enabled" : "Disabled");
1968 * _scsih_slave_configure - device configure routine.
1969 * @sdev: scsi device struct
1971 * Returns 0 if ok. Any other return is assumed to be an error and
1972 * the device is ignored.
1975 _scsih_slave_configure(struct scsi_device
*sdev
)
1977 struct Scsi_Host
*shost
= sdev
->host
;
1978 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
1979 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
1980 struct MPT2SAS_TARGET
*sas_target_priv_data
;
1981 struct _sas_device
*sas_device
;
1982 struct _raid_device
*raid_device
;
1983 unsigned long flags
;
1988 u16 handle
, volume_handle
= 0;
1989 u64 volume_wwid
= 0;
1992 sas_device_priv_data
= sdev
->hostdata
;
1993 sas_device_priv_data
->configured_lun
= 1;
1994 sas_device_priv_data
->flags
&= ~MPT_DEVICE_FLAGS_INIT
;
1995 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
1996 handle
= sas_target_priv_data
->handle
;
1998 /* raid volume handling */
1999 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2001 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
2002 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
2003 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
2005 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2006 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2007 __LINE__
, __func__
));
2011 if (_scsih_get_volume_capabilities(ioc
, raid_device
)) {
2012 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2013 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2014 __LINE__
, __func__
));
2018 * WARPDRIVE: Initialize the required data for Direct IO
2020 _scsih_init_warpdrive_properties(ioc
, raid_device
);
2022 /* RAID Queue Depth Support
2023 * IS volume = underlying qdepth of drive type, either
2024 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
2025 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
2027 if (raid_device
->device_info
&
2028 MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
2029 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
2032 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
2033 if (raid_device
->device_info
&
2034 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
2040 switch (raid_device
->volume_type
) {
2041 case MPI2_RAID_VOL_TYPE_RAID0
:
2044 case MPI2_RAID_VOL_TYPE_RAID1E
:
2045 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2046 if (ioc
->manu_pg10
.OEMIdentifier
&&
2047 (le32_to_cpu(ioc
->manu_pg10
.GenericFlags0
) &
2048 MFG10_GF0_R10_DISPLAY
) &&
2049 !(raid_device
->num_pds
% 2))
2054 case MPI2_RAID_VOL_TYPE_RAID1
:
2055 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2058 case MPI2_RAID_VOL_TYPE_RAID10
:
2059 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2062 case MPI2_RAID_VOL_TYPE_UNKNOWN
:
2064 qdepth
= MPT2SAS_RAID_QUEUE_DEPTH
;
2069 if (!ioc
->hide_ir_msg
)
2070 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), "
2071 "wwid(0x%016llx), pd_count(%d), type(%s)\n",
2072 r_level
, raid_device
->handle
,
2073 (unsigned long long)raid_device
->wwid
,
2074 raid_device
->num_pds
, ds
);
2075 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
2076 /* raid transport support */
2077 if (!ioc
->is_warpdrive
)
2078 _scsih_set_level(sdev
, raid_device
->volume_type
);
2082 /* non-raid handling */
2083 if (sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2084 if (mpt2sas_config_get_volume_handle(ioc
, handle
,
2086 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2087 "failure at %s:%d/%s()!\n", ioc
->name
,
2088 __FILE__
, __LINE__
, __func__
));
2091 if (volume_handle
&& mpt2sas_config_get_volume_wwid(ioc
,
2092 volume_handle
, &volume_wwid
)) {
2093 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2094 "failure at %s:%d/%s()!\n", ioc
->name
,
2095 __FILE__
, __LINE__
, __func__
));
2100 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2101 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
2102 sas_device_priv_data
->sas_target
->sas_address
);
2104 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2105 dfailprintk(ioc
, printk(MPT2SAS_WARN_FMT
2106 "failure at %s:%d/%s()!\n", ioc
->name
, __FILE__
,
2107 __LINE__
, __func__
));
2110 sas_device
->volume_handle
= volume_handle
;
2111 sas_device
->volume_wwid
= volume_wwid
;
2112 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_SSP_TARGET
) {
2113 qdepth
= MPT2SAS_SAS_QUEUE_DEPTH
;
2117 qdepth
= MPT2SAS_SATA_QUEUE_DEPTH
;
2118 if (sas_device
->device_info
& MPI2_SAS_DEVICE_INFO_STP_TARGET
)
2120 else if (sas_device
->device_info
&
2121 MPI2_SAS_DEVICE_INFO_SATA_DEVICE
)
2124 sdev_printk(KERN_INFO
, sdev
, "%s: handle(0x%04x), "
2125 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
2126 ds
, sas_device
->handle
,
2127 (unsigned long long)sas_device
->sas_address
,
2129 (unsigned long long)sas_device
->device_name
);
2130 sdev_printk(KERN_INFO
, sdev
, "%s: "
2131 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds
,
2132 (unsigned long long) sas_device
->enclosure_logical_id
,
2135 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2137 _scsih_display_sata_capabilities(ioc
, handle
, sdev
);
2140 _scsih_change_queue_depth(sdev
, qdepth
, SCSI_QDEPTH_DEFAULT
);
2143 sas_read_port_mode_page(sdev
);
2144 _scsih_enable_tlr(ioc
, sdev
);
2150 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
2151 * @sdev: scsi device struct
2152 * @bdev: pointer to block device context
2153 * @capacity: device size (in 512 byte sectors)
2154 * @params: three element array to place output:
2155 * params[0] number of heads (max 255)
2156 * params[1] number of sectors (max 63)
2157 * params[2] number of cylinders
2162 _scsih_bios_param(struct scsi_device
*sdev
, struct block_device
*bdev
,
2163 sector_t capacity
, int params
[])
2173 dummy
= heads
* sectors
;
2174 cylinders
= capacity
;
2175 sector_div(cylinders
, dummy
);
2178 * Handle extended translation size for logical drives
2181 if ((ulong
)capacity
>= 0x200000) {
2184 dummy
= heads
* sectors
;
2185 cylinders
= capacity
;
2186 sector_div(cylinders
, dummy
);
2191 params
[1] = sectors
;
2192 params
[2] = cylinders
;
2198 * _scsih_response_code - translation of device response code
2199 * @ioc: per adapter object
2200 * @response_code: response code returned by the device
2205 _scsih_response_code(struct MPT2SAS_ADAPTER
*ioc
, u8 response_code
)
2209 switch (response_code
) {
2210 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE
:
2211 desc
= "task management request completed";
2213 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
:
2214 desc
= "invalid frame";
2216 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED
:
2217 desc
= "task management request not supported";
2219 case MPI2_SCSITASKMGMT_RSP_TM_FAILED
:
2220 desc
= "task management request failed";
2222 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED
:
2223 desc
= "task management request succeeded";
2225 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN
:
2226 desc
= "invalid lun";
2229 desc
= "overlapped tag attempted";
2231 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC
:
2232 desc
= "task queued, however not sent to target";
2238 printk(MPT2SAS_WARN_FMT
"response_code(0x%01x): %s\n",
2239 ioc
->name
, response_code
, desc
);
2243 * _scsih_tm_done - tm completion routine
2244 * @ioc: per adapter object
2245 * @smid: system request message index
2246 * @msix_index: MSIX table index supplied by the OS
2247 * @reply: reply message frame(lower 32bit addr)
2250 * The callback handler when using scsih_issue_tm.
2252 * Return 1 meaning mf should be freed from _base_interrupt
2253 * 0 means the mf is freed from this function.
2256 _scsih_tm_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
2258 MPI2DefaultReply_t
*mpi_reply
;
2260 if (ioc
->tm_cmds
.status
== MPT2_CMD_NOT_USED
)
2262 if (ioc
->tm_cmds
.smid
!= smid
)
2264 mpt2sas_base_flush_reply_queues(ioc
);
2265 ioc
->tm_cmds
.status
|= MPT2_CMD_COMPLETE
;
2266 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
2268 memcpy(ioc
->tm_cmds
.reply
, mpi_reply
, mpi_reply
->MsgLength
*4);
2269 ioc
->tm_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
2271 ioc
->tm_cmds
.status
&= ~MPT2_CMD_PENDING
;
2272 complete(&ioc
->tm_cmds
.done
);
2277 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
2278 * @ioc: per adapter object
2279 * @handle: device handle
2281 * During taskmangement request, we need to freeze the device queue.
2284 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2286 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2287 struct scsi_device
*sdev
;
2290 shost_for_each_device(sdev
, ioc
->shost
) {
2293 sas_device_priv_data
= sdev
->hostdata
;
2294 if (!sas_device_priv_data
)
2296 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2297 sas_device_priv_data
->sas_target
->tm_busy
= 1;
2299 ioc
->ignore_loginfos
= 1;
2305 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
2306 * @ioc: per adapter object
2307 * @handle: device handle
2309 * During taskmangement request, we need to freeze the device queue.
2312 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2314 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2315 struct scsi_device
*sdev
;
2318 shost_for_each_device(sdev
, ioc
->shost
) {
2321 sas_device_priv_data
= sdev
->hostdata
;
2322 if (!sas_device_priv_data
)
2324 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2325 sas_device_priv_data
->sas_target
->tm_busy
= 0;
2327 ioc
->ignore_loginfos
= 0;
2334 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
2335 * @ioc: per adapter struct
2336 * @device_handle: device handle
2337 * @channel: the channel assigned by the OS
2338 * @id: the id assigned by the OS
2340 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2341 * @smid_task: smid assigned to the task
2342 * @timeout: timeout in seconds
2343 * @serial_number: the serial_number from scmd
2344 * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF
2347 * A generic API for sending task management requests to firmware.
2349 * The callback index is set inside `ioc->tm_cb_idx`.
2351 * Return SUCCESS or FAILED.
2354 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, uint channel
,
2355 uint id
, uint lun
, u8 type
, u16 smid_task
, ulong timeout
,
2356 unsigned long serial_number
, enum mutex_type m_type
)
2358 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
2359 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
2362 unsigned long timeleft
;
2363 struct scsiio_tracker
*scsi_lookup
= NULL
;
2366 if (m_type
== TM_MUTEX_ON
)
2367 mutex_lock(&ioc
->tm_cmds
.mutex
);
2368 if (ioc
->tm_cmds
.status
!= MPT2_CMD_NOT_USED
) {
2369 printk(MPT2SAS_INFO_FMT
"%s: tm_cmd busy!!!\n",
2370 __func__
, ioc
->name
);
2375 if (ioc
->shost_recovery
|| ioc
->remove_host
||
2376 ioc
->pci_error_recovery
) {
2377 printk(MPT2SAS_INFO_FMT
"%s: host reset in progress!\n",
2378 __func__
, ioc
->name
);
2383 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 0);
2384 if (ioc_state
& MPI2_DOORBELL_USED
) {
2385 dhsprintk(ioc
, printk(MPT2SAS_INFO_FMT
"unexpected doorbell "
2386 "active!\n", ioc
->name
));
2387 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2389 rc
= (!rc
) ? SUCCESS
: FAILED
;
2393 if ((ioc_state
& MPI2_IOC_STATE_MASK
) == MPI2_IOC_STATE_FAULT
) {
2394 mpt2sas_base_fault_info(ioc
, ioc_state
&
2395 MPI2_DOORBELL_DATA_MASK
);
2396 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2398 rc
= (!rc
) ? SUCCESS
: FAILED
;
2402 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_cb_idx
);
2404 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
2405 ioc
->name
, __func__
);
2410 if (type
== MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
)
2411 scsi_lookup
= &ioc
->scsi_lookup
[smid_task
- 1];
2413 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sending tm: handle(0x%04x),"
2414 " task_type(0x%02x), smid(%d)\n", ioc
->name
, handle
, type
,
2416 ioc
->tm_cmds
.status
= MPT2_CMD_PENDING
;
2417 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
2418 ioc
->tm_cmds
.smid
= smid
;
2419 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
2420 memset(ioc
->tm_cmds
.reply
, 0, sizeof(Mpi2SCSITaskManagementReply_t
));
2421 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
2422 mpi_request
->DevHandle
= cpu_to_le16(handle
);
2423 mpi_request
->TaskType
= type
;
2424 mpi_request
->TaskMID
= cpu_to_le16(smid_task
);
2425 int_to_scsilun(lun
, (struct scsi_lun
*)mpi_request
->LUN
);
2426 mpt2sas_scsih_set_tm_flag(ioc
, handle
);
2427 init_completion(&ioc
->tm_cmds
.done
);
2428 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
2429 timeleft
= wait_for_completion_timeout(&ioc
->tm_cmds
.done
, timeout
*HZ
);
2430 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_COMPLETE
)) {
2431 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
2432 ioc
->name
, __func__
);
2433 _debug_dump_mf(mpi_request
,
2434 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2435 if (!(ioc
->tm_cmds
.status
& MPT2_CMD_RESET
)) {
2436 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2438 rc
= (!rc
) ? SUCCESS
: FAILED
;
2439 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2440 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2445 if (ioc
->tm_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
2446 mpi_reply
= ioc
->tm_cmds
.reply
;
2447 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"complete tm: "
2448 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2449 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
2450 le32_to_cpu(mpi_reply
->IOCLogInfo
),
2451 le32_to_cpu(mpi_reply
->TerminationCount
)));
2452 if (ioc
->logging_level
& MPT_DEBUG_TM
) {
2453 _scsih_response_code(ioc
, mpi_reply
->ResponseCode
);
2454 if (mpi_reply
->IOCStatus
)
2455 _debug_dump_mf(mpi_request
,
2456 sizeof(Mpi2SCSITaskManagementRequest_t
)/4);
2461 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
:
2463 if (scsi_lookup
->scmd
== NULL
)
2468 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
:
2469 if (_scsih_scsi_lookup_find_by_target(ioc
, id
, channel
))
2475 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET
:
2476 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
:
2477 if (_scsih_scsi_lookup_find_by_lun(ioc
, id
, lun
, channel
))
2482 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK
:
2490 mpt2sas_scsih_clear_tm_flag(ioc
, handle
);
2491 ioc
->tm_cmds
.status
= MPT2_CMD_NOT_USED
;
2492 if (m_type
== TM_MUTEX_ON
)
2493 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2498 if (m_type
== TM_MUTEX_ON
)
2499 mutex_unlock(&ioc
->tm_cmds
.mutex
);
2504 * _scsih_tm_display_info - displays info about the device
2505 * @ioc: per adapter struct
2506 * @scmd: pointer to scsi command object
2508 * Called by task management callback handlers.
2511 _scsih_tm_display_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
)
2513 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2514 struct MPT2SAS_TARGET
*priv_target
= starget
->hostdata
;
2515 struct _sas_device
*sas_device
= NULL
;
2516 unsigned long flags
;
2517 char *device_str
= NULL
;
2521 if (ioc
->hide_ir_msg
)
2522 device_str
= "WarpDrive";
2524 device_str
= "volume";
2526 scsi_print_command(scmd
);
2527 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2528 starget_printk(KERN_INFO
, starget
, "%s handle(0x%04x), "
2529 "%s wwid(0x%016llx)\n", device_str
, priv_target
->handle
,
2530 device_str
, (unsigned long long)priv_target
->sas_address
);
2532 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2533 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
2534 priv_target
->sas_address
);
2536 if (priv_target
->flags
&
2537 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2538 starget_printk(KERN_INFO
, starget
,
2539 "volume handle(0x%04x), "
2540 "volume wwid(0x%016llx)\n",
2541 sas_device
->volume_handle
,
2542 (unsigned long long)sas_device
->volume_wwid
);
2544 starget_printk(KERN_INFO
, starget
,
2545 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2547 (unsigned long long)sas_device
->sas_address
,
2549 starget_printk(KERN_INFO
, starget
,
2550 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2551 (unsigned long long)sas_device
->enclosure_logical_id
,
2554 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2559 * _scsih_abort - eh threads main abort routine
2560 * @scmd: pointer to scsi command object
2562 * Returns SUCCESS if command aborted else FAILED
2565 _scsih_abort(struct scsi_cmnd
*scmd
)
2567 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2568 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2573 sdev_printk(KERN_INFO
, scmd
->device
, "attempting task abort! "
2574 "scmd(%p)\n", scmd
);
2575 _scsih_tm_display_info(ioc
, scmd
);
2577 sas_device_priv_data
= scmd
->device
->hostdata
;
2578 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2579 sdev_printk(KERN_INFO
, scmd
->device
, "device been deleted! "
2580 "scmd(%p)\n", scmd
);
2581 scmd
->result
= DID_NO_CONNECT
<< 16;
2582 scmd
->scsi_done(scmd
);
2587 /* search for the command */
2588 smid
= _scsih_scsi_lookup_find_by_scmd(ioc
, scmd
);
2590 scmd
->result
= DID_RESET
<< 16;
2595 /* for hidden raid components and volumes this is not supported */
2596 if (sas_device_priv_data
->sas_target
->flags
&
2597 MPT_TARGET_FLAGS_RAID_COMPONENT
||
2598 sas_device_priv_data
->sas_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
2599 scmd
->result
= DID_RESET
<< 16;
2604 mpt2sas_halt_firmware(ioc
);
2606 handle
= sas_device_priv_data
->sas_target
->handle
;
2607 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2608 scmd
->device
->id
, scmd
->device
->lun
,
2609 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK
, smid
, 30,
2610 scmd
->serial_number
, TM_MUTEX_ON
);
2613 sdev_printk(KERN_INFO
, scmd
->device
, "task abort: %s scmd(%p)\n",
2614 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2619 * _scsih_dev_reset - eh threads main device reset routine
2620 * @scmd: pointer to scsi command object
2622 * Returns SUCCESS if command aborted else FAILED
2625 _scsih_dev_reset(struct scsi_cmnd
*scmd
)
2627 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2628 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2629 struct _sas_device
*sas_device
;
2630 unsigned long flags
;
2634 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2636 starget_printk(KERN_INFO
, starget
, "attempting device reset! "
2637 "scmd(%p)\n", scmd
);
2638 _scsih_tm_display_info(ioc
, scmd
);
2640 sas_device_priv_data
= scmd
->device
->hostdata
;
2641 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2642 starget_printk(KERN_INFO
, starget
, "device been deleted! "
2643 "scmd(%p)\n", scmd
);
2644 scmd
->result
= DID_NO_CONNECT
<< 16;
2645 scmd
->scsi_done(scmd
);
2650 /* for hidden raid components obtain the volume_handle */
2652 if (sas_device_priv_data
->sas_target
->flags
&
2653 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2654 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2655 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2656 sas_device_priv_data
->sas_target
->handle
);
2658 handle
= sas_device
->volume_handle
;
2659 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2661 handle
= sas_device_priv_data
->sas_target
->handle
;
2664 scmd
->result
= DID_RESET
<< 16;
2669 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2670 scmd
->device
->id
, scmd
->device
->lun
,
2671 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET
, 0, 30, 0,
2675 sdev_printk(KERN_INFO
, scmd
->device
, "device reset: %s scmd(%p)\n",
2676 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2681 * _scsih_target_reset - eh threads main target reset routine
2682 * @scmd: pointer to scsi command object
2684 * Returns SUCCESS if command aborted else FAILED
2687 _scsih_target_reset(struct scsi_cmnd
*scmd
)
2689 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2690 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2691 struct _sas_device
*sas_device
;
2692 unsigned long flags
;
2695 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
2697 starget_printk(KERN_INFO
, starget
, "attempting target reset! "
2698 "scmd(%p)\n", scmd
);
2699 _scsih_tm_display_info(ioc
, scmd
);
2701 sas_device_priv_data
= scmd
->device
->hostdata
;
2702 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
2703 starget_printk(KERN_INFO
, starget
, "target been deleted! "
2704 "scmd(%p)\n", scmd
);
2705 scmd
->result
= DID_NO_CONNECT
<< 16;
2706 scmd
->scsi_done(scmd
);
2711 /* for hidden raid components obtain the volume_handle */
2713 if (sas_device_priv_data
->sas_target
->flags
&
2714 MPT_TARGET_FLAGS_RAID_COMPONENT
) {
2715 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
2716 sas_device
= _scsih_sas_device_find_by_handle(ioc
,
2717 sas_device_priv_data
->sas_target
->handle
);
2719 handle
= sas_device
->volume_handle
;
2720 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
2722 handle
= sas_device_priv_data
->sas_target
->handle
;
2725 scmd
->result
= DID_RESET
<< 16;
2730 r
= mpt2sas_scsih_issue_tm(ioc
, handle
, scmd
->device
->channel
,
2731 scmd
->device
->id
, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
, 0,
2732 30, 0, TM_MUTEX_ON
);
2735 starget_printk(KERN_INFO
, starget
, "target reset: %s scmd(%p)\n",
2736 ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2741 * _scsih_host_reset - eh threads main host reset routine
2742 * @scmd: pointer to scsi command object
2744 * Returns SUCCESS if command aborted else FAILED
2747 _scsih_host_reset(struct scsi_cmnd
*scmd
)
2749 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
2752 printk(MPT2SAS_INFO_FMT
"attempting host reset! scmd(%p)\n",
2754 scsi_print_command(scmd
);
2756 retval
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
2758 r
= (retval
< 0) ? FAILED
: SUCCESS
;
2759 printk(MPT2SAS_INFO_FMT
"host reset: %s scmd(%p)\n",
2760 ioc
->name
, ((r
== SUCCESS
) ? "SUCCESS" : "FAILED"), scmd
);
2766 * _scsih_fw_event_add - insert and queue up fw_event
2767 * @ioc: per adapter object
2768 * @fw_event: object describing the event
2769 * Context: This function will acquire ioc->fw_event_lock.
2771 * This adds the firmware event object into link list, then queues it up to
2772 * be processed from user context.
2777 _scsih_fw_event_add(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
*fw_event
)
2779 unsigned long flags
;
2781 if (ioc
->firmware_event_thread
== NULL
)
2784 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2785 list_add_tail(&fw_event
->list
, &ioc
->fw_event_list
);
2786 INIT_DELAYED_WORK(&fw_event
->delayed_work
, _firmware_event_work
);
2787 queue_delayed_work(ioc
->firmware_event_thread
,
2788 &fw_event
->delayed_work
, 0);
2789 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2793 * _scsih_fw_event_free - delete fw_event
2794 * @ioc: per adapter object
2795 * @fw_event: object describing the event
2796 * Context: This function will acquire ioc->fw_event_lock.
2798 * This removes firmware event object from link list, frees associated memory.
2803 _scsih_fw_event_free(struct MPT2SAS_ADAPTER
*ioc
, struct fw_event_work
2806 unsigned long flags
;
2808 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
2809 list_del(&fw_event
->list
);
2810 kfree(fw_event
->event_data
);
2812 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
2817 * _scsih_error_recovery_delete_devices - remove devices not responding
2818 * @ioc: per adapter object
2823 _scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER
*ioc
)
2825 struct fw_event_work
*fw_event
;
2827 if (ioc
->is_driver_loading
)
2830 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2834 fw_event
->event
= MPT2SAS_REMOVE_UNRESPONDING_DEVICES
;
2835 fw_event
->ioc
= ioc
;
2836 _scsih_fw_event_add(ioc
, fw_event
);
2840 * mpt2sas_port_enable_complete - port enable completed (fake event)
2841 * @ioc: per adapter object
2846 mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER
*ioc
)
2848 struct fw_event_work
*fw_event
;
2850 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
2853 fw_event
->event
= MPT2SAS_PORT_ENABLE_COMPLETE
;
2854 fw_event
->ioc
= ioc
;
2855 _scsih_fw_event_add(ioc
, fw_event
);
2859 * _scsih_fw_event_cleanup_queue - cleanup event queue
2860 * @ioc: per adapter object
2862 * Walk the firmware event queue, either killing timers, or waiting
2863 * for outstanding events to complete
2868 _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER
*ioc
)
2870 struct fw_event_work
*fw_event
, *next
;
2872 if (list_empty(&ioc
->fw_event_list
) ||
2873 !ioc
->firmware_event_thread
|| in_interrupt())
2876 list_for_each_entry_safe(fw_event
, next
, &ioc
->fw_event_list
, list
) {
2877 if (cancel_delayed_work(&fw_event
->delayed_work
)) {
2878 _scsih_fw_event_free(ioc
, fw_event
);
2881 fw_event
->cancel_pending_work
= 1;
2886 * _scsih_ublock_io_all_device - unblock every device
2887 * @ioc: per adapter object
2889 * change the device state from block to running
2892 _scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER
*ioc
)
2894 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2895 struct scsi_device
*sdev
;
2897 shost_for_each_device(sdev
, ioc
->shost
) {
2898 sas_device_priv_data
= sdev
->hostdata
;
2899 if (!sas_device_priv_data
)
2901 if (!sas_device_priv_data
->block
)
2903 sas_device_priv_data
->block
= 0;
2904 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
, "device_running, "
2906 sas_device_priv_data
->sas_target
->handle
));
2907 scsi_internal_device_unblock(sdev
);
2911 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
2912 * @ioc: per adapter object
2913 * @handle: device handle
2915 * During device pull we need to appropiately set the sdev state.
2918 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
)
2920 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2921 struct scsi_device
*sdev
;
2923 shost_for_each_device(sdev
, ioc
->shost
) {
2924 sas_device_priv_data
= sdev
->hostdata
;
2925 if (!sas_device_priv_data
)
2927 if (!sas_device_priv_data
->block
)
2929 if (sas_device_priv_data
->sas_target
->sas_address
==
2931 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2932 MPT2SAS_INFO_FMT
"SDEV_RUNNING: "
2933 "sas address(0x%016llx)\n", ioc
->name
,
2934 (unsigned long long)sas_address
));
2935 sas_device_priv_data
->block
= 0;
2936 scsi_internal_device_unblock(sdev
);
2942 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2943 * @ioc: per adapter object
2944 * @handle: device handle
2946 * During device pull we need to appropiately set the sdev state.
2949 _scsih_block_io_all_device(struct MPT2SAS_ADAPTER
*ioc
)
2951 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2952 struct scsi_device
*sdev
;
2954 shost_for_each_device(sdev
, ioc
->shost
) {
2955 sas_device_priv_data
= sdev
->hostdata
;
2956 if (!sas_device_priv_data
)
2958 if (sas_device_priv_data
->block
)
2960 sas_device_priv_data
->block
= 1;
2961 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
, "device_blocked, "
2963 sas_device_priv_data
->sas_target
->handle
));
2964 scsi_internal_device_block(sdev
);
2970 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2971 * @ioc: per adapter object
2972 * @handle: device handle
2974 * During device pull we need to appropiately set the sdev state.
2977 _scsih_block_io_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
2979 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
2980 struct scsi_device
*sdev
;
2982 shost_for_each_device(sdev
, ioc
->shost
) {
2983 sas_device_priv_data
= sdev
->hostdata
;
2984 if (!sas_device_priv_data
)
2986 if (sas_device_priv_data
->block
)
2988 if (sas_device_priv_data
->sas_target
->handle
== handle
) {
2989 dewtprintk(ioc
, sdev_printk(KERN_INFO
, sdev
,
2990 MPT2SAS_INFO_FMT
"SDEV_BLOCK: "
2991 "handle(0x%04x)\n", ioc
->name
, handle
));
2992 sas_device_priv_data
->block
= 1;
2993 scsi_internal_device_block(sdev
);
2999 * _scsih_block_io_to_children_attached_to_ex
3000 * @ioc: per adapter object
3001 * @sas_expander: the sas_device object
3003 * This routine set sdev state to SDEV_BLOCK for all devices
3004 * attached to this expander. This function called when expander is
3008 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER
*ioc
,
3009 struct _sas_node
*sas_expander
)
3011 struct _sas_port
*mpt2sas_port
;
3012 struct _sas_device
*sas_device
;
3013 struct _sas_node
*expander_sibling
;
3014 unsigned long flags
;
3019 list_for_each_entry(mpt2sas_port
,
3020 &sas_expander
->sas_port_list
, port_list
) {
3021 if (mpt2sas_port
->remote_identify
.device_type
==
3023 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3025 mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
3026 mpt2sas_port
->remote_identify
.sas_address
);
3028 set_bit(sas_device
->handle
,
3029 ioc
->blocking_handles
);
3030 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3034 list_for_each_entry(mpt2sas_port
,
3035 &sas_expander
->sas_port_list
, port_list
) {
3037 if (mpt2sas_port
->remote_identify
.device_type
==
3038 SAS_EDGE_EXPANDER_DEVICE
||
3039 mpt2sas_port
->remote_identify
.device_type
==
3040 SAS_FANOUT_EXPANDER_DEVICE
) {
3042 mpt2sas_scsih_expander_find_by_sas_address(
3043 ioc
, mpt2sas_port
->remote_identify
.sas_address
);
3044 _scsih_block_io_to_children_attached_to_ex(ioc
,
3051 * _scsih_block_io_to_children_attached_directly
3052 * @ioc: per adapter object
3053 * @event_data: topology change event data
3055 * This routine set sdev state to SDEV_BLOCK for all devices
3056 * direct attached during device pull.
3059 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER
*ioc
,
3060 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
3067 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
3068 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
3071 phy_number
= event_data
->StartPhyNum
+ i
;
3072 reason_code
= event_data
->PHY
[i
].PhyStatus
&
3073 MPI2_EVENT_SAS_TOPO_RC_MASK
;
3074 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
)
3075 _scsih_block_io_device(ioc
, handle
);
3080 * _scsih_tm_tr_send - send task management request
3081 * @ioc: per adapter object
3082 * @handle: device handle
3083 * Context: interrupt time.
3085 * This code is to initiate the device removal handshake protocol
3086 * with controller firmware. This function will issue target reset
3087 * using high priority request queue. It will send a sas iounit
3088 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3090 * This is designed to send muliple task management request at the same
3091 * time to the fifo. If the fifo is full, we will append the request,
3092 * and process it in a future completion.
3095 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3097 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
3099 struct _sas_device
*sas_device
;
3100 struct MPT2SAS_TARGET
*sas_target_priv_data
= NULL
;
3101 u64 sas_address
= 0;
3102 unsigned long flags
;
3103 struct _tr_list
*delayed_tr
;
3106 if (ioc
->remove_host
) {
3107 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host has been "
3108 "removed: handle(0x%04x)\n", __func__
, ioc
->name
, handle
));
3110 } else if (ioc
->pci_error_recovery
) {
3111 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host in pci "
3112 "error recovery: handle(0x%04x)\n", __func__
, ioc
->name
,
3116 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3117 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
3118 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host is not "
3119 "operational: handle(0x%04x)\n", __func__
, ioc
->name
,
3124 /* if PD, then return */
3125 if (test_bit(handle
, ioc
->pd_handles
))
3128 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
3129 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
3130 if (sas_device
&& sas_device
->starget
&&
3131 sas_device
->starget
->hostdata
) {
3132 sas_target_priv_data
= sas_device
->starget
->hostdata
;
3133 sas_target_priv_data
->deleted
= 1;
3134 sas_address
= sas_device
->sas_address
;
3136 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
3138 if (sas_target_priv_data
) {
3139 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"setting delete flag: "
3140 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, handle
,
3141 (unsigned long long)sas_address
));
3142 _scsih_ublock_io_device(ioc
, sas_address
);
3143 sas_target_priv_data
->handle
= MPT2SAS_INVALID_DEVICE_HANDLE
;
3146 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_cb_idx
);
3148 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3151 INIT_LIST_HEAD(&delayed_tr
->list
);
3152 delayed_tr
->handle
= handle
;
3153 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3154 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3155 "DELAYED:tr:handle(0x%04x), (open)\n",
3156 ioc
->name
, handle
));
3160 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
3161 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
3162 ioc
->tm_tr_cb_idx
));
3163 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3164 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
3165 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
3166 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3167 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
3168 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
3174 * _scsih_sas_control_complete - completion routine
3175 * @ioc: per adapter object
3176 * @smid: system request message index
3177 * @msix_index: MSIX table index supplied by the OS
3178 * @reply: reply message frame(lower 32bit addr)
3179 * Context: interrupt time.
3181 * This is the sas iounit control completion routine.
3182 * This code is part of the code to initiate the device removal
3183 * handshake protocol with controller firmware.
3185 * Return 1 meaning mf should be freed from _base_interrupt
3186 * 0 means the mf is freed from this function.
3189 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
3190 u8 msix_index
, u32 reply
)
3192 Mpi2SasIoUnitControlReply_t
*mpi_reply
=
3193 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3194 if (likely(mpi_reply
)) {
3195 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3196 "sc_complete:handle(0x%04x), (open) "
3197 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3198 ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
), smid
,
3199 le16_to_cpu(mpi_reply
->IOCStatus
),
3200 le32_to_cpu(mpi_reply
->IOCLogInfo
)));
3202 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3203 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3209 * _scsih_tm_tr_volume_send - send target reset request for volumes
3210 * @ioc: per adapter object
3211 * @handle: device handle
3212 * Context: interrupt time.
3214 * This is designed to send muliple task management request at the same
3215 * time to the fifo. If the fifo is full, we will append the request,
3216 * and process it in a future completion.
3219 _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3221 Mpi2SCSITaskManagementRequest_t
*mpi_request
;
3223 struct _tr_list
*delayed_tr
;
3225 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3226 ioc
->pci_error_recovery
) {
3227 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
3228 "progress!\n", __func__
, ioc
->name
));
3232 smid
= mpt2sas_base_get_smid_hpr(ioc
, ioc
->tm_tr_volume_cb_idx
);
3234 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3237 INIT_LIST_HEAD(&delayed_tr
->list
);
3238 delayed_tr
->handle
= handle
;
3239 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_volume_list
);
3240 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3241 "DELAYED:tr:handle(0x%04x), (open)\n",
3242 ioc
->name
, handle
));
3246 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"tr_send:handle(0x%04x), "
3247 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid
,
3248 ioc
->tm_tr_volume_cb_idx
));
3249 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3250 memset(mpi_request
, 0, sizeof(Mpi2SCSITaskManagementRequest_t
));
3251 mpi_request
->Function
= MPI2_FUNCTION_SCSI_TASK_MGMT
;
3252 mpi_request
->DevHandle
= cpu_to_le16(handle
);
3253 mpi_request
->TaskType
= MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET
;
3254 mpt2sas_base_put_smid_hi_priority(ioc
, smid
);
3258 * _scsih_tm_volume_tr_complete - target reset completion
3259 * @ioc: per adapter object
3260 * @smid: system request message index
3261 * @msix_index: MSIX table index supplied by the OS
3262 * @reply: reply message frame(lower 32bit addr)
3263 * Context: interrupt time.
3265 * Return 1 meaning mf should be freed from _base_interrupt
3266 * 0 means the mf is freed from this function.
3269 _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
,
3270 u8 msix_index
, u32 reply
)
3273 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
3274 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
3275 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3277 if (ioc
->shost_recovery
|| ioc
->remove_host
||
3278 ioc
->pci_error_recovery
) {
3279 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host reset in "
3280 "progress!\n", __func__
, ioc
->name
));
3283 if (unlikely(!mpi_reply
)) {
3284 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3285 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3288 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3289 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
3290 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
3291 dewtprintk(ioc
, printk("spurious interrupt: "
3292 "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle
,
3293 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
3297 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3298 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3299 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
3300 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
3301 le32_to_cpu(mpi_reply
->IOCLogInfo
),
3302 le32_to_cpu(mpi_reply
->TerminationCount
)));
3304 return _scsih_check_for_pending_tm(ioc
, smid
);
3308 * _scsih_tm_tr_complete -
3309 * @ioc: per adapter object
3310 * @smid: system request message index
3311 * @msix_index: MSIX table index supplied by the OS
3312 * @reply: reply message frame(lower 32bit addr)
3313 * Context: interrupt time.
3315 * This is the target reset completion routine.
3316 * This code is part of the code to initiate the device removal
3317 * handshake protocol with controller firmware.
3318 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3320 * Return 1 meaning mf should be freed from _base_interrupt
3321 * 0 means the mf is freed from this function.
3324 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
,
3328 Mpi2SCSITaskManagementRequest_t
*mpi_request_tm
;
3329 Mpi2SCSITaskManagementReply_t
*mpi_reply
=
3330 mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
3331 Mpi2SasIoUnitControlRequest_t
*mpi_request
;
3335 if (ioc
->remove_host
) {
3336 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host has been "
3337 "removed\n", __func__
, ioc
->name
));
3339 } else if (ioc
->pci_error_recovery
) {
3340 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host in pci "
3341 "error recovery\n", __func__
, ioc
->name
));
3344 ioc_state
= mpt2sas_base_get_iocstate(ioc
, 1);
3345 if (ioc_state
!= MPI2_IOC_STATE_OPERATIONAL
) {
3346 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: host is not "
3347 "operational\n", __func__
, ioc
->name
));
3350 if (unlikely(!mpi_reply
)) {
3351 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
3352 ioc
->name
, __FILE__
, __LINE__
, __func__
);
3355 mpi_request_tm
= mpt2sas_base_get_msg_frame(ioc
, smid
);
3356 handle
= le16_to_cpu(mpi_request_tm
->DevHandle
);
3357 if (handle
!= le16_to_cpu(mpi_reply
->DevHandle
)) {
3358 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"spurious interrupt: "
3359 "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc
->name
, handle
,
3360 le16_to_cpu(mpi_reply
->DevHandle
), smid
));
3364 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3365 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3366 "loginfo(0x%08x), completed(%d)\n", ioc
->name
,
3367 handle
, smid
, le16_to_cpu(mpi_reply
->IOCStatus
),
3368 le32_to_cpu(mpi_reply
->IOCLogInfo
),
3369 le32_to_cpu(mpi_reply
->TerminationCount
)));
3371 smid_sas_ctrl
= mpt2sas_base_get_smid(ioc
, ioc
->tm_sas_control_cb_idx
);
3372 if (!smid_sas_ctrl
) {
3373 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
3374 ioc
->name
, __func__
);
3378 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"sc_send:handle(0x%04x), "
3379 "(open), smid(%d), cb(%d)\n", ioc
->name
, handle
, smid_sas_ctrl
,
3380 ioc
->tm_sas_control_cb_idx
));
3381 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid_sas_ctrl
);
3382 memset(mpi_request
, 0, sizeof(Mpi2SasIoUnitControlRequest_t
));
3383 mpi_request
->Function
= MPI2_FUNCTION_SAS_IO_UNIT_CONTROL
;
3384 mpi_request
->Operation
= MPI2_SAS_OP_REMOVE_DEVICE
;
3385 mpi_request
->DevHandle
= mpi_request_tm
->DevHandle
;
3386 mpt2sas_base_put_smid_default(ioc
, smid_sas_ctrl
);
3388 return _scsih_check_for_pending_tm(ioc
, smid
);
3392 * _scsih_check_for_pending_tm - check for pending task management
3393 * @ioc: per adapter object
3394 * @smid: system request message index
3396 * This will check delayed target reset list, and feed the
3399 * Return 1 meaning mf should be freed from _base_interrupt
3400 * 0 means the mf is freed from this function.
3403 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
3405 struct _tr_list
*delayed_tr
;
3407 if (!list_empty(&ioc
->delayed_tr_volume_list
)) {
3408 delayed_tr
= list_entry(ioc
->delayed_tr_volume_list
.next
,
3409 struct _tr_list
, list
);
3410 mpt2sas_base_free_smid(ioc
, smid
);
3411 _scsih_tm_tr_volume_send(ioc
, delayed_tr
->handle
);
3412 list_del(&delayed_tr
->list
);
3417 if (!list_empty(&ioc
->delayed_tr_list
)) {
3418 delayed_tr
= list_entry(ioc
->delayed_tr_list
.next
,
3419 struct _tr_list
, list
);
3420 mpt2sas_base_free_smid(ioc
, smid
);
3421 _scsih_tm_tr_send(ioc
, delayed_tr
->handle
);
3422 list_del(&delayed_tr
->list
);
3431 * _scsih_check_topo_delete_events - sanity check on topo events
3432 * @ioc: per adapter object
3433 * @event_data: the event data payload
3435 * This routine added to better handle cable breaker.
3437 * This handles the case where driver receives multiple expander
3438 * add and delete events in a single shot. When there is a delete event
3439 * the routine will void any pending add events waiting in the event queue.
3444 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
3445 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
3447 struct fw_event_work
*fw_event
;
3448 Mpi2EventDataSasTopologyChangeList_t
*local_event_data
;
3449 u16 expander_handle
;
3450 struct _sas_node
*sas_expander
;
3451 unsigned long flags
;
3455 for (i
= 0 ; i
< event_data
->NumEntries
; i
++) {
3456 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
3459 reason_code
= event_data
->PHY
[i
].PhyStatus
&
3460 MPI2_EVENT_SAS_TOPO_RC_MASK
;
3461 if (reason_code
== MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
)
3462 _scsih_tm_tr_send(ioc
, handle
);
3465 expander_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
3466 if (expander_handle
< ioc
->sas_hba
.num_phys
) {
3467 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3470 if (event_data
->ExpStatus
==
3471 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
) {
3472 /* put expander attached devices into blocking state */
3473 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
3474 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
3476 _scsih_block_io_to_children_attached_to_ex(ioc
, sas_expander
);
3477 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
3479 handle
= find_first_bit(ioc
->blocking_handles
,
3480 ioc
->facts
.MaxDevHandle
);
3481 if (handle
< ioc
->facts
.MaxDevHandle
)
3482 _scsih_block_io_device(ioc
, handle
);
3483 } while (test_and_clear_bit(handle
, ioc
->blocking_handles
));
3484 } else if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_RESPONDING
)
3485 _scsih_block_io_to_children_attached_directly(ioc
, event_data
);
3487 if (event_data
->ExpStatus
!= MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
)
3490 /* mark ignore flag for pending events */
3491 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
3492 list_for_each_entry(fw_event
, &ioc
->fw_event_list
, list
) {
3493 if (fw_event
->event
!= MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
||
3496 local_event_data
= fw_event
->event_data
;
3497 if (local_event_data
->ExpStatus
==
3498 MPI2_EVENT_SAS_TOPO_ES_ADDED
||
3499 local_event_data
->ExpStatus
==
3500 MPI2_EVENT_SAS_TOPO_ES_RESPONDING
) {
3501 if (le16_to_cpu(local_event_data
->ExpanderDevHandle
) ==
3503 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3504 "setting ignoring flag\n", ioc
->name
));
3505 fw_event
->ignore
= 1;
3509 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
3513 * _scsih_set_volume_delete_flag - setting volume delete flag
3514 * @ioc: per adapter object
3515 * @handle: device handle
3521 _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
3523 struct _raid_device
*raid_device
;
3524 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3525 unsigned long flags
;
3527 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
3528 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
3529 if (raid_device
&& raid_device
->starget
&&
3530 raid_device
->starget
->hostdata
) {
3531 sas_target_priv_data
=
3532 raid_device
->starget
->hostdata
;
3533 sas_target_priv_data
->deleted
= 1;
3534 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3535 "setting delete flag: handle(0x%04x), "
3536 "wwid(0x%016llx)\n", ioc
->name
, handle
,
3537 (unsigned long long) raid_device
->wwid
));
3539 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
3543 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3544 * @handle: input handle
3545 * @a: handle for volume a
3546 * @b: handle for volume b
3548 * IR firmware only supports two raid volumes. The purpose of this
3549 * routine is to set the volume handle in either a or b. When the given
3550 * input handle is non-zero, or when a and b have not been set before.
3553 _scsih_set_volume_handle_for_tr(u16 handle
, u16
*a
, u16
*b
)
3555 if (!handle
|| handle
== *a
|| handle
== *b
)
3564 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3565 * @ioc: per adapter object
3566 * @event_data: the event data payload
3567 * Context: interrupt time.
3569 * This routine will send target reset to volume, followed by target
3570 * resets to the PDs. This is called when a PD has been removed, or
3571 * volume has been deleted or removed. When the target reset is sent
3572 * to volume, the PD target resets need to be queued to start upon
3573 * completion of the volume target reset.
3578 _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER
*ioc
,
3579 Mpi2EventDataIrConfigChangeList_t
*event_data
)
3581 Mpi2EventIrConfigElement_t
*element
;
3583 u16 handle
, volume_handle
, a
, b
;
3584 struct _tr_list
*delayed_tr
;
3589 if (ioc
->is_warpdrive
)
3592 /* Volume Resets for Deleted or Removed */
3593 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3594 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3595 if (element
->ReasonCode
==
3596 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
||
3597 element
->ReasonCode
==
3598 MPI2_EVENT_IR_CHANGE_RC_REMOVED
) {
3599 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3600 _scsih_set_volume_delete_flag(ioc
, volume_handle
);
3601 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3605 /* Volume Resets for UNHIDE events */
3606 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3607 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3608 if (le32_to_cpu(event_data
->Flags
) &
3609 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
)
3611 if (element
->ReasonCode
== MPI2_EVENT_IR_CHANGE_RC_UNHIDE
) {
3612 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3613 _scsih_set_volume_handle_for_tr(volume_handle
, &a
, &b
);
3618 _scsih_tm_tr_volume_send(ioc
, a
);
3620 _scsih_tm_tr_volume_send(ioc
, b
);
3622 /* PD target resets */
3623 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
3624 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
3625 if (element
->ReasonCode
!= MPI2_EVENT_IR_CHANGE_RC_UNHIDE
)
3627 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
3628 volume_handle
= le16_to_cpu(element
->VolDevHandle
);
3629 clear_bit(handle
, ioc
->pd_handles
);
3631 _scsih_tm_tr_send(ioc
, handle
);
3632 else if (volume_handle
== a
|| volume_handle
== b
) {
3633 delayed_tr
= kzalloc(sizeof(*delayed_tr
), GFP_ATOMIC
);
3634 BUG_ON(!delayed_tr
);
3635 INIT_LIST_HEAD(&delayed_tr
->list
);
3636 delayed_tr
->handle
= handle
;
3637 list_add_tail(&delayed_tr
->list
, &ioc
->delayed_tr_list
);
3638 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
3639 "DELAYED:tr:handle(0x%04x), (open)\n", ioc
->name
,
3642 _scsih_tm_tr_send(ioc
, handle
);
3648 * _scsih_check_volume_delete_events - set delete flag for volumes
3649 * @ioc: per adapter object
3650 * @event_data: the event data payload
3651 * Context: interrupt time.
3653 * This will handle the case when the cable connected to entire volume is
3654 * pulled. We will take care of setting the deleted flag so normal IO will
3660 _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER
*ioc
,
3661 Mpi2EventDataIrVolume_t
*event_data
)
3665 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
3667 state
= le32_to_cpu(event_data
->NewValue
);
3668 if (state
== MPI2_RAID_VOL_STATE_MISSING
|| state
==
3669 MPI2_RAID_VOL_STATE_FAILED
)
3670 _scsih_set_volume_delete_flag(ioc
,
3671 le16_to_cpu(event_data
->VolDevHandle
));
3675 * _scsih_flush_running_cmds - completing outstanding commands.
3676 * @ioc: per adapter object
3678 * The flushing out of all pending scmd commands following host reset,
3679 * where all IO is dropped to the floor.
3684 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER
*ioc
)
3686 struct scsi_cmnd
*scmd
;
3690 for (smid
= 1; smid
<= ioc
->scsiio_depth
; smid
++) {
3691 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
3695 mpt2sas_base_free_smid(ioc
, smid
);
3696 scsi_dma_unmap(scmd
);
3697 if (ioc
->pci_error_recovery
)
3698 scmd
->result
= DID_NO_CONNECT
<< 16;
3700 scmd
->result
= DID_RESET
<< 16;
3701 scmd
->scsi_done(scmd
);
3703 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"completing %d cmds\n",
3708 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3709 * @scmd: pointer to scsi command object
3710 * @mpi_request: pointer to the SCSI_IO reqest message frame
3712 * Supporting protection 1 and 3.
3717 _scsih_setup_eedp(struct scsi_cmnd
*scmd
, Mpi2SCSIIORequest_t
*mpi_request
)
3720 unsigned char prot_op
= scsi_get_prot_op(scmd
);
3721 unsigned char prot_type
= scsi_get_prot_type(scmd
);
3723 if (prot_type
== SCSI_PROT_DIF_TYPE0
|| prot_op
== SCSI_PROT_NORMAL
)
3726 if (prot_op
== SCSI_PROT_READ_STRIP
)
3727 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
;
3728 else if (prot_op
== SCSI_PROT_WRITE_INSERT
)
3729 eedp_flags
= MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
;
3733 switch (prot_type
) {
3734 case SCSI_PROT_DIF_TYPE1
:
3735 case SCSI_PROT_DIF_TYPE2
:
3738 * enable ref/guard checking
3739 * auto increment ref tag
3741 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG
|
3742 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG
|
3743 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3744 mpi_request
->CDB
.EEDP32
.PrimaryReferenceTag
=
3745 cpu_to_be32(scsi_get_lba(scmd
));
3748 case SCSI_PROT_DIF_TYPE3
:
3751 * enable guard checking
3753 eedp_flags
|= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD
;
3756 mpi_request
->EEDPBlockSize
= cpu_to_le32(scmd
->device
->sector_size
);
3757 mpi_request
->EEDPFlags
= cpu_to_le16(eedp_flags
);
3761 * _scsih_eedp_error_handling - return sense code for EEDP errors
3762 * @scmd: pointer to scsi command object
3763 * @ioc_status: ioc status
3768 _scsih_eedp_error_handling(struct scsi_cmnd
*scmd
, u16 ioc_status
)
3774 switch (ioc_status
) {
3775 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
3778 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
3781 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
3789 if (scmd
->sc_data_direction
== DMA_TO_DEVICE
) {
3790 sk
= ILLEGAL_REQUEST
;
3791 host_byte
= DID_ABORT
;
3793 sk
= ABORTED_COMMAND
;
3797 scsi_build_sense_buffer(0, scmd
->sense_buffer
, sk
, 0x10, ascq
);
3798 scmd
->result
= DRIVER_SENSE
<< 24 | (host_byte
<< 16) |
3799 SAM_STAT_CHECK_CONDITION
;
3803 * _scsih_scsi_direct_io_get - returns direct io flag
3804 * @ioc: per adapter object
3805 * @smid: system request message index
3807 * Returns the smid stored scmd pointer.
3810 _scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
)
3812 return ioc
->scsi_lookup
[smid
- 1].direct_io
;
3816 * _scsih_scsi_direct_io_set - sets direct io flag
3817 * @ioc: per adapter object
3818 * @smid: system request message index
3819 * @direct_io: Zero or non-zero value to set in the direct_io flag
3824 _scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 direct_io
)
3826 ioc
->scsi_lookup
[smid
- 1].direct_io
= direct_io
;
3831 * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O
3832 * @ioc: per adapter object
3833 * @scmd: pointer to scsi command object
3834 * @raid_device: pointer to raid device data structure
3835 * @mpi_request: pointer to the SCSI_IO reqest message frame
3836 * @smid: system request message index
3841 _scsih_setup_direct_io(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
3842 struct _raid_device
*raid_device
, Mpi2SCSIIORequest_t
*mpi_request
,
3845 u32 v_lba
, p_lba
, stripe_off
, stripe_unit
, column
, io_size
;
3846 u32 stripe_sz
, stripe_exp
;
3847 u8 num_pds
, *cdb_ptr
, i
;
3848 u8 cdb0
= scmd
->cmnd
[0];
3852 * Try Direct I/O to RAID memeber disks
3854 if (cdb0
== READ_16
|| cdb0
== READ_10
||
3855 cdb0
== WRITE_16
|| cdb0
== WRITE_10
) {
3856 cdb_ptr
= mpi_request
->CDB
.CDB32
;
3858 if ((cdb0
< READ_16
) || !(cdb_ptr
[2] | cdb_ptr
[3] | cdb_ptr
[4]
3860 io_size
= scsi_bufflen(scmd
) >>
3861 raid_device
->block_exponent
;
3862 i
= (cdb0
< READ_16
) ? 2 : 6;
3863 /* get virtual lba */
3864 v_lba
= be32_to_cpu(*(__be32
*)(&cdb_ptr
[i
]));
3866 if (((u64
)v_lba
+ (u64
)io_size
- 1) <=
3867 (u32
)raid_device
->max_lba
) {
3868 stripe_sz
= raid_device
->stripe_sz
;
3869 stripe_exp
= raid_device
->stripe_exponent
;
3870 stripe_off
= v_lba
& (stripe_sz
- 1);
3872 /* Check whether IO falls within a stripe */
3873 if ((stripe_off
+ io_size
) <= stripe_sz
) {
3874 num_pds
= raid_device
->num_pds
;
3875 p_lba
= v_lba
>> stripe_exp
;
3876 stripe_unit
= p_lba
/ num_pds
;
3877 column
= p_lba
% num_pds
;
3878 p_lba
= (stripe_unit
<< stripe_exp
) +
3880 mpi_request
->DevHandle
=
3881 cpu_to_le16(raid_device
->
3883 (*(__be32
*)(&cdb_ptr
[i
])) =
3886 * WD: To indicate this I/O is directI/O
3888 _scsih_scsi_direct_io_set(ioc
, smid
, 1);
3892 io_size
= scsi_bufflen(scmd
) >>
3893 raid_device
->block_exponent
;
3894 /* get virtual lba */
3895 v_llba
= be64_to_cpu(*(__be64
*)(&cdb_ptr
[2]));
3897 if ((v_llba
+ (u64
)io_size
- 1) <=
3898 raid_device
->max_lba
) {
3899 stripe_sz
= raid_device
->stripe_sz
;
3900 stripe_exp
= raid_device
->stripe_exponent
;
3901 stripe_off
= (u32
) (v_llba
& (stripe_sz
- 1));
3903 /* Check whether IO falls within a stripe */
3904 if ((stripe_off
+ io_size
) <= stripe_sz
) {
3905 num_pds
= raid_device
->num_pds
;
3906 p_lba
= (u32
)(v_llba
>> stripe_exp
);
3907 stripe_unit
= p_lba
/ num_pds
;
3908 column
= p_lba
% num_pds
;
3909 p_lba
= (stripe_unit
<< stripe_exp
) +
3911 mpi_request
->DevHandle
=
3912 cpu_to_le16(raid_device
->
3914 (*(__be64
*)(&cdb_ptr
[2])) =
3915 cpu_to_be64((u64
)p_lba
);
3917 * WD: To indicate this I/O is directI/O
3919 _scsih_scsi_direct_io_set(ioc
, smid
, 1);
3927 * _scsih_qcmd - main scsi request entry point
3928 * @scmd: pointer to scsi command object
3929 * @done: function pointer to be invoked on completion
3931 * The callback index is set inside `ioc->scsi_io_cb_idx`.
3933 * Returns 0 on success. If there's a failure, return either:
3934 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
3935 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
3938 _scsih_qcmd_lck(struct scsi_cmnd
*scmd
, void (*done
)(struct scsi_cmnd
*))
3940 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(scmd
->device
->host
);
3941 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
3942 struct MPT2SAS_TARGET
*sas_target_priv_data
;
3943 struct _raid_device
*raid_device
;
3944 Mpi2SCSIIORequest_t
*mpi_request
;
3948 scmd
->scsi_done
= done
;
3949 sas_device_priv_data
= scmd
->device
->hostdata
;
3950 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
) {
3951 scmd
->result
= DID_NO_CONNECT
<< 16;
3952 scmd
->scsi_done(scmd
);
3956 if (ioc
->pci_error_recovery
|| ioc
->remove_host
) {
3957 scmd
->result
= DID_NO_CONNECT
<< 16;
3958 scmd
->scsi_done(scmd
);
3962 sas_target_priv_data
= sas_device_priv_data
->sas_target
;
3963 /* invalid device handle */
3964 if (sas_target_priv_data
->handle
== MPT2SAS_INVALID_DEVICE_HANDLE
) {
3965 scmd
->result
= DID_NO_CONNECT
<< 16;
3966 scmd
->scsi_done(scmd
);
3970 /* host recovery or link resets sent via IOCTLs */
3971 if (ioc
->shost_recovery
|| ioc
->ioc_link_reset_in_progress
)
3972 return SCSI_MLQUEUE_HOST_BUSY
;
3973 /* device busy with task management */
3974 else if (sas_device_priv_data
->block
|| sas_target_priv_data
->tm_busy
)
3975 return SCSI_MLQUEUE_DEVICE_BUSY
;
3976 /* device has been deleted */
3977 else if (sas_target_priv_data
->deleted
) {
3978 scmd
->result
= DID_NO_CONNECT
<< 16;
3979 scmd
->scsi_done(scmd
);
3983 if (scmd
->sc_data_direction
== DMA_FROM_DEVICE
)
3984 mpi_control
= MPI2_SCSIIO_CONTROL_READ
;
3985 else if (scmd
->sc_data_direction
== DMA_TO_DEVICE
)
3986 mpi_control
= MPI2_SCSIIO_CONTROL_WRITE
;
3988 mpi_control
= MPI2_SCSIIO_CONTROL_NODATATRANSFER
;
3991 if (!(sas_device_priv_data
->flags
& MPT_DEVICE_FLAGS_INIT
)) {
3992 if (scmd
->device
->tagged_supported
) {
3993 if (scmd
->device
->ordered_tags
)
3994 mpi_control
|= MPI2_SCSIIO_CONTROL_ORDEREDQ
;
3996 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
3998 /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
3999 /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
4001 mpi_control
|= (0x500);
4004 mpi_control
|= MPI2_SCSIIO_CONTROL_SIMPLEQ
;
4005 /* Make sure Device is not raid volume.
4006 * We do not expose raid functionality to upper layer for warpdrive.
4008 if (!ioc
->is_warpdrive
&& !_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
4009 sas_is_tlr_enabled(scmd
->device
) && scmd
->cmd_len
!= 32)
4010 mpi_control
|= MPI2_SCSIIO_CONTROL_TLR_ON
;
4012 smid
= mpt2sas_base_get_smid_scsiio(ioc
, ioc
->scsi_io_cb_idx
, scmd
);
4014 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
4015 ioc
->name
, __func__
);
4018 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
4019 memset(mpi_request
, 0, sizeof(Mpi2SCSIIORequest_t
));
4020 _scsih_setup_eedp(scmd
, mpi_request
);
4021 if (scmd
->cmd_len
== 32)
4022 mpi_control
|= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT
;
4023 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
4024 if (sas_device_priv_data
->sas_target
->flags
&
4025 MPT_TARGET_FLAGS_RAID_COMPONENT
)
4026 mpi_request
->Function
= MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH
;
4028 mpi_request
->Function
= MPI2_FUNCTION_SCSI_IO_REQUEST
;
4029 mpi_request
->DevHandle
=
4030 cpu_to_le16(sas_device_priv_data
->sas_target
->handle
);
4031 mpi_request
->DataLength
= cpu_to_le32(scsi_bufflen(scmd
));
4032 mpi_request
->Control
= cpu_to_le32(mpi_control
);
4033 mpi_request
->IoFlags
= cpu_to_le16(scmd
->cmd_len
);
4034 mpi_request
->MsgFlags
= MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR
;
4035 mpi_request
->SenseBufferLength
= SCSI_SENSE_BUFFERSIZE
;
4036 mpi_request
->SenseBufferLowAddress
=
4037 mpt2sas_base_get_sense_buffer_dma(ioc
, smid
);
4038 mpi_request
->SGLOffset0
= offsetof(Mpi2SCSIIORequest_t
, SGL
) / 4;
4039 mpi_request
->SGLFlags
= cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI
+
4040 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR
);
4041 mpi_request
->VF_ID
= 0; /* TODO */
4042 mpi_request
->VP_ID
= 0;
4043 int_to_scsilun(sas_device_priv_data
->lun
, (struct scsi_lun
*)
4045 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
4047 if (!mpi_request
->DataLength
) {
4048 mpt2sas_base_build_zero_len_sge(ioc
, &mpi_request
->SGL
);
4050 if (_scsih_build_scatter_gather(ioc
, scmd
, smid
)) {
4051 mpt2sas_base_free_smid(ioc
, smid
);
4056 raid_device
= sas_target_priv_data
->raid_device
;
4057 if (raid_device
&& raid_device
->direct_io_enabled
)
4058 _scsih_setup_direct_io(ioc
, scmd
, raid_device
, mpi_request
,
4061 if (likely(mpi_request
->Function
== MPI2_FUNCTION_SCSI_IO_REQUEST
))
4062 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
4063 le16_to_cpu(mpi_request
->DevHandle
));
4065 mpt2sas_base_put_smid_default(ioc
, smid
);
4069 return SCSI_MLQUEUE_HOST_BUSY
;
4072 static DEF_SCSI_QCMD(_scsih_qcmd
)
4075 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4076 * @sense_buffer: sense data returned by target
4077 * @data: normalized skey/asc/ascq
4082 _scsih_normalize_sense(char *sense_buffer
, struct sense_info
*data
)
4084 if ((sense_buffer
[0] & 0x7F) >= 0x72) {
4085 /* descriptor format */
4086 data
->skey
= sense_buffer
[1] & 0x0F;
4087 data
->asc
= sense_buffer
[2];
4088 data
->ascq
= sense_buffer
[3];
4091 data
->skey
= sense_buffer
[2] & 0x0F;
4092 data
->asc
= sense_buffer
[12];
4093 data
->ascq
= sense_buffer
[13];
4097 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4099 * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request
4100 * @ioc: per adapter object
4101 * @scmd: pointer to scsi command object
4102 * @mpi_reply: reply mf payload returned from firmware
4104 * scsi_status - SCSI Status code returned from target device
4105 * scsi_state - state info associated with SCSI_IO determined by ioc
4106 * ioc_status - ioc supplied status info
4111 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER
*ioc
, struct scsi_cmnd
*scmd
,
4112 Mpi2SCSIIOReply_t
*mpi_reply
, u16 smid
)
4116 u16 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
) &
4117 MPI2_IOCSTATUS_MASK
;
4118 u8 scsi_state
= mpi_reply
->SCSIState
;
4119 u8 scsi_status
= mpi_reply
->SCSIStatus
;
4120 char *desc_ioc_state
= NULL
;
4121 char *desc_scsi_status
= NULL
;
4122 char *desc_scsi_state
= ioc
->tmp_string
;
4123 u32 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
4124 struct _sas_device
*sas_device
= NULL
;
4125 unsigned long flags
;
4126 struct scsi_target
*starget
= scmd
->device
->sdev_target
;
4127 struct MPT2SAS_TARGET
*priv_target
= starget
->hostdata
;
4128 char *device_str
= NULL
;
4133 if (ioc
->hide_ir_msg
)
4134 device_str
= "WarpDrive";
4136 device_str
= "volume";
4138 if (log_info
== 0x31170000)
4141 switch (ioc_status
) {
4142 case MPI2_IOCSTATUS_SUCCESS
:
4143 desc_ioc_state
= "success";
4145 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
4146 desc_ioc_state
= "invalid function";
4148 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
4149 desc_ioc_state
= "scsi recovered error";
4151 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE
:
4152 desc_ioc_state
= "scsi invalid dev handle";
4154 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
4155 desc_ioc_state
= "scsi device not there";
4157 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
4158 desc_ioc_state
= "scsi data overrun";
4160 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
4161 desc_ioc_state
= "scsi data underrun";
4163 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
4164 desc_ioc_state
= "scsi io data error";
4166 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
4167 desc_ioc_state
= "scsi protocol error";
4169 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
4170 desc_ioc_state
= "scsi task terminated";
4172 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
4173 desc_ioc_state
= "scsi residual mismatch";
4175 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
4176 desc_ioc_state
= "scsi task mgmt failed";
4178 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
4179 desc_ioc_state
= "scsi ioc terminated";
4181 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
4182 desc_ioc_state
= "scsi ext terminated";
4184 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
4185 desc_ioc_state
= "eedp guard error";
4187 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
4188 desc_ioc_state
= "eedp ref tag error";
4190 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
4191 desc_ioc_state
= "eedp app tag error";
4194 desc_ioc_state
= "unknown";
4198 switch (scsi_status
) {
4199 case MPI2_SCSI_STATUS_GOOD
:
4200 desc_scsi_status
= "good";
4202 case MPI2_SCSI_STATUS_CHECK_CONDITION
:
4203 desc_scsi_status
= "check condition";
4205 case MPI2_SCSI_STATUS_CONDITION_MET
:
4206 desc_scsi_status
= "condition met";
4208 case MPI2_SCSI_STATUS_BUSY
:
4209 desc_scsi_status
= "busy";
4211 case MPI2_SCSI_STATUS_INTERMEDIATE
:
4212 desc_scsi_status
= "intermediate";
4214 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET
:
4215 desc_scsi_status
= "intermediate condmet";
4217 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT
:
4218 desc_scsi_status
= "reservation conflict";
4220 case MPI2_SCSI_STATUS_COMMAND_TERMINATED
:
4221 desc_scsi_status
= "command terminated";
4223 case MPI2_SCSI_STATUS_TASK_SET_FULL
:
4224 desc_scsi_status
= "task set full";
4226 case MPI2_SCSI_STATUS_ACA_ACTIVE
:
4227 desc_scsi_status
= "aca active";
4229 case MPI2_SCSI_STATUS_TASK_ABORTED
:
4230 desc_scsi_status
= "task aborted";
4233 desc_scsi_status
= "unknown";
4237 desc_scsi_state
[0] = '\0';
4239 desc_scsi_state
= " ";
4240 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
4241 strcat(desc_scsi_state
, "response info ");
4242 if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4243 strcat(desc_scsi_state
, "state terminated ");
4244 if (scsi_state
& MPI2_SCSI_STATE_NO_SCSI_STATUS
)
4245 strcat(desc_scsi_state
, "no status ");
4246 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_FAILED
)
4247 strcat(desc_scsi_state
, "autosense failed ");
4248 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
)
4249 strcat(desc_scsi_state
, "autosense valid ");
4251 scsi_print_command(scmd
);
4253 if (priv_target
->flags
& MPT_TARGET_FLAGS_VOLUME
) {
4254 printk(MPT2SAS_WARN_FMT
"\t%s wwid(0x%016llx)\n", ioc
->name
,
4255 device_str
, (unsigned long long)priv_target
->sas_address
);
4257 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4258 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
4259 priv_target
->sas_address
);
4261 printk(MPT2SAS_WARN_FMT
"\tsas_address(0x%016llx), "
4262 "phy(%d)\n", ioc
->name
, sas_device
->sas_address
,
4264 printk(MPT2SAS_WARN_FMT
4265 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
4266 ioc
->name
, sas_device
->enclosure_logical_id
,
4269 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4272 printk(MPT2SAS_WARN_FMT
"\thandle(0x%04x), ioc_status(%s)(0x%04x), "
4273 "smid(%d)\n", ioc
->name
, le16_to_cpu(mpi_reply
->DevHandle
),
4274 desc_ioc_state
, ioc_status
, smid
);
4275 printk(MPT2SAS_WARN_FMT
"\trequest_len(%d), underflow(%d), "
4276 "resid(%d)\n", ioc
->name
, scsi_bufflen(scmd
), scmd
->underflow
,
4277 scsi_get_resid(scmd
));
4278 printk(MPT2SAS_WARN_FMT
"\ttag(%d), transfer_count(%d), "
4279 "sc->result(0x%08x)\n", ioc
->name
, le16_to_cpu(mpi_reply
->TaskTag
),
4280 le32_to_cpu(mpi_reply
->TransferCount
), scmd
->result
);
4281 printk(MPT2SAS_WARN_FMT
"\tscsi_status(%s)(0x%02x), "
4282 "scsi_state(%s)(0x%02x)\n", ioc
->name
, desc_scsi_status
,
4283 scsi_status
, desc_scsi_state
, scsi_state
);
4285 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
4286 struct sense_info data
;
4287 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
4288 printk(MPT2SAS_WARN_FMT
"\t[sense_key,asc,ascq]: "
4289 "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc
->name
, data
.skey
,
4290 data
.asc
, data
.ascq
, le32_to_cpu(mpi_reply
->SenseCount
));
4293 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
) {
4294 response_info
= le32_to_cpu(mpi_reply
->ResponseInfo
);
4295 response_bytes
= (u8
*)&response_info
;
4296 _scsih_response_code(ioc
, response_bytes
[0]);
4302 * _scsih_turn_on_fault_led - illuminate Fault LED
4303 * @ioc: per adapter object
4304 * @handle: device handle
4310 _scsih_turn_on_fault_led(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4312 Mpi2SepReply_t mpi_reply
;
4313 Mpi2SepRequest_t mpi_request
;
4315 memset(&mpi_request
, 0, sizeof(Mpi2SepRequest_t
));
4316 mpi_request
.Function
= MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR
;
4317 mpi_request
.Action
= MPI2_SEP_REQ_ACTION_WRITE_STATUS
;
4318 mpi_request
.SlotStatus
=
4319 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT
);
4320 mpi_request
.DevHandle
= cpu_to_le16(handle
);
4321 mpi_request
.Flags
= MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS
;
4322 if ((mpt2sas_base_scsi_enclosure_processor(ioc
, &mpi_reply
,
4323 &mpi_request
)) != 0) {
4324 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n", ioc
->name
,
4325 __FILE__
, __LINE__
, __func__
);
4329 if (mpi_reply
.IOCStatus
|| mpi_reply
.IOCLogInfo
) {
4330 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"enclosure_processor: "
4331 "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc
->name
,
4332 le16_to_cpu(mpi_reply
.IOCStatus
),
4333 le32_to_cpu(mpi_reply
.IOCLogInfo
)));
4339 * _scsih_send_event_to_turn_on_fault_led - fire delayed event
4340 * @ioc: per adapter object
4341 * @handle: device handle
4342 * Context: interrupt.
4347 _scsih_send_event_to_turn_on_fault_led(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4349 struct fw_event_work
*fw_event
;
4351 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
4354 fw_event
->event
= MPT2SAS_TURN_ON_FAULT_LED
;
4355 fw_event
->device_handle
= handle
;
4356 fw_event
->ioc
= ioc
;
4357 _scsih_fw_event_add(ioc
, fw_event
);
4361 * _scsih_smart_predicted_fault - process smart errors
4362 * @ioc: per adapter object
4363 * @handle: device handle
4364 * Context: interrupt.
4369 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4371 struct scsi_target
*starget
;
4372 struct MPT2SAS_TARGET
*sas_target_priv_data
;
4373 Mpi2EventNotificationReply_t
*event_reply
;
4374 Mpi2EventDataSasDeviceStatusChange_t
*event_data
;
4375 struct _sas_device
*sas_device
;
4377 unsigned long flags
;
4379 /* only handle non-raid devices */
4380 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
4381 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
4383 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4386 starget
= sas_device
->starget
;
4387 sas_target_priv_data
= starget
->hostdata
;
4389 if ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_RAID_COMPONENT
) ||
4390 ((sas_target_priv_data
->flags
& MPT_TARGET_FLAGS_VOLUME
))) {
4391 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4394 starget_printk(KERN_WARNING
, starget
, "predicted fault\n");
4395 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
4397 if (ioc
->pdev
->subsystem_vendor
== PCI_VENDOR_ID_IBM
)
4398 _scsih_send_event_to_turn_on_fault_led(ioc
, handle
);
4400 /* insert into event log */
4401 sz
= offsetof(Mpi2EventNotificationReply_t
, EventData
) +
4402 sizeof(Mpi2EventDataSasDeviceStatusChange_t
);
4403 event_reply
= kzalloc(sz
, GFP_ATOMIC
);
4405 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4406 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4410 event_reply
->Function
= MPI2_FUNCTION_EVENT_NOTIFICATION
;
4411 event_reply
->Event
=
4412 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
);
4413 event_reply
->MsgLength
= sz
/4;
4414 event_reply
->EventDataLength
=
4415 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t
)/4);
4416 event_data
= (Mpi2EventDataSasDeviceStatusChange_t
*)
4417 event_reply
->EventData
;
4418 event_data
->ReasonCode
= MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
;
4419 event_data
->ASC
= 0x5D;
4420 event_data
->DevHandle
= cpu_to_le16(handle
);
4421 event_data
->SASAddress
= cpu_to_le64(sas_target_priv_data
->sas_address
);
4422 mpt2sas_ctl_add_to_event_log(ioc
, event_reply
);
4427 * _scsih_io_done - scsi request callback
4428 * @ioc: per adapter object
4429 * @smid: system request message index
4430 * @msix_index: MSIX table index supplied by the OS
4431 * @reply: reply message frame(lower 32bit addr)
4433 * Callback handler when using _scsih_qcmd.
4435 * Return 1 meaning mf should be freed from _base_interrupt
4436 * 0 means the mf is freed from this function.
4439 _scsih_io_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
4441 Mpi2SCSIIORequest_t
*mpi_request
;
4442 Mpi2SCSIIOReply_t
*mpi_reply
;
4443 struct scsi_cmnd
*scmd
;
4449 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
4450 u32 response_code
= 0;
4451 unsigned long flags
;
4453 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
4454 scmd
= _scsih_scsi_lookup_get_clear(ioc
, smid
);
4458 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
4460 if (mpi_reply
== NULL
) {
4461 scmd
->result
= DID_OK
<< 16;
4465 sas_device_priv_data
= scmd
->device
->hostdata
;
4466 if (!sas_device_priv_data
|| !sas_device_priv_data
->sas_target
||
4467 sas_device_priv_data
->sas_target
->deleted
) {
4468 scmd
->result
= DID_NO_CONNECT
<< 16;
4471 ioc_status
= le16_to_cpu(mpi_reply
->IOCStatus
);
4473 * WARPDRIVE: If direct_io is set then it is directIO,
4474 * the failed direct I/O should be redirected to volume
4476 if (_scsih_scsi_direct_io_get(ioc
, smid
) &&
4477 ((ioc_status
& MPI2_IOCSTATUS_MASK
)
4478 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
)) {
4479 spin_lock_irqsave(&ioc
->scsi_lookup_lock
, flags
);
4480 ioc
->scsi_lookup
[smid
- 1].scmd
= scmd
;
4481 _scsih_scsi_direct_io_set(ioc
, smid
, 0);
4482 spin_unlock_irqrestore(&ioc
->scsi_lookup_lock
, flags
);
4483 memcpy(mpi_request
->CDB
.CDB32
, scmd
->cmnd
, scmd
->cmd_len
);
4484 mpi_request
->DevHandle
=
4485 cpu_to_le16(sas_device_priv_data
->sas_target
->handle
);
4486 mpt2sas_base_put_smid_scsi_io(ioc
, smid
,
4487 sas_device_priv_data
->sas_target
->handle
);
4492 /* turning off TLR */
4493 scsi_state
= mpi_reply
->SCSIState
;
4494 if (scsi_state
& MPI2_SCSI_STATE_RESPONSE_INFO_VALID
)
4496 le32_to_cpu(mpi_reply
->ResponseInfo
) & 0xFF;
4497 if (!sas_device_priv_data
->tlr_snoop_check
) {
4498 sas_device_priv_data
->tlr_snoop_check
++;
4499 /* Make sure Device is not raid volume.
4500 * We do not expose raid functionality to upper layer for warpdrive.
4502 if (!ioc
->is_warpdrive
&& !_scsih_is_raid(&scmd
->device
->sdev_gendev
) &&
4503 sas_is_tlr_enabled(scmd
->device
) &&
4504 response_code
== MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
) {
4505 sas_disable_tlr(scmd
->device
);
4506 sdev_printk(KERN_INFO
, scmd
->device
, "TLR disabled\n");
4510 xfer_cnt
= le32_to_cpu(mpi_reply
->TransferCount
);
4511 scsi_set_resid(scmd
, scsi_bufflen(scmd
) - xfer_cnt
);
4512 if (ioc_status
& MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE
)
4513 log_info
= le32_to_cpu(mpi_reply
->IOCLogInfo
);
4516 ioc_status
&= MPI2_IOCSTATUS_MASK
;
4517 scsi_status
= mpi_reply
->SCSIStatus
;
4519 if (ioc_status
== MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
&& xfer_cnt
== 0 &&
4520 (scsi_status
== MPI2_SCSI_STATUS_BUSY
||
4521 scsi_status
== MPI2_SCSI_STATUS_RESERVATION_CONFLICT
||
4522 scsi_status
== MPI2_SCSI_STATUS_TASK_SET_FULL
)) {
4523 ioc_status
= MPI2_IOCSTATUS_SUCCESS
;
4526 if (scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
) {
4527 struct sense_info data
;
4528 const void *sense_data
= mpt2sas_base_get_sense_buffer(ioc
,
4530 u32 sz
= min_t(u32
, SCSI_SENSE_BUFFERSIZE
,
4531 le32_to_cpu(mpi_reply
->SenseCount
));
4532 memcpy(scmd
->sense_buffer
, sense_data
, sz
);
4533 _scsih_normalize_sense(scmd
->sense_buffer
, &data
);
4534 /* failure prediction threshold exceeded */
4535 if (data
.asc
== 0x5D)
4536 _scsih_smart_predicted_fault(ioc
,
4537 le16_to_cpu(mpi_reply
->DevHandle
));
4540 switch (ioc_status
) {
4541 case MPI2_IOCSTATUS_BUSY
:
4542 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES
:
4543 scmd
->result
= SAM_STAT_BUSY
;
4546 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE
:
4547 scmd
->result
= DID_NO_CONNECT
<< 16;
4550 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED
:
4551 if (sas_device_priv_data
->block
) {
4552 scmd
->result
= DID_TRANSPORT_DISRUPTED
<< 16;
4555 scmd
->result
= DID_SOFT_ERROR
<< 16;
4557 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED
:
4558 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED
:
4559 scmd
->result
= DID_RESET
<< 16;
4562 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH
:
4563 if ((xfer_cnt
== 0) || (scmd
->underflow
> xfer_cnt
))
4564 scmd
->result
= DID_SOFT_ERROR
<< 16;
4566 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4569 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN
:
4570 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4572 if ((scsi_state
& MPI2_SCSI_STATE_AUTOSENSE_VALID
))
4575 if (xfer_cnt
< scmd
->underflow
) {
4576 if (scsi_status
== SAM_STAT_BUSY
)
4577 scmd
->result
= SAM_STAT_BUSY
;
4579 scmd
->result
= DID_SOFT_ERROR
<< 16;
4580 } else if (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4581 MPI2_SCSI_STATE_NO_SCSI_STATUS
))
4582 scmd
->result
= DID_SOFT_ERROR
<< 16;
4583 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4584 scmd
->result
= DID_RESET
<< 16;
4585 else if (!xfer_cnt
&& scmd
->cmnd
[0] == REPORT_LUNS
) {
4586 mpi_reply
->SCSIState
= MPI2_SCSI_STATE_AUTOSENSE_VALID
;
4587 mpi_reply
->SCSIStatus
= SAM_STAT_CHECK_CONDITION
;
4588 scmd
->result
= (DRIVER_SENSE
<< 24) |
4589 SAM_STAT_CHECK_CONDITION
;
4590 scmd
->sense_buffer
[0] = 0x70;
4591 scmd
->sense_buffer
[2] = ILLEGAL_REQUEST
;
4592 scmd
->sense_buffer
[12] = 0x20;
4593 scmd
->sense_buffer
[13] = 0;
4597 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN
:
4598 scsi_set_resid(scmd
, 0);
4599 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR
:
4600 case MPI2_IOCSTATUS_SUCCESS
:
4601 scmd
->result
= (DID_OK
<< 16) | scsi_status
;
4602 if (response_code
==
4603 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME
||
4604 (scsi_state
& (MPI2_SCSI_STATE_AUTOSENSE_FAILED
|
4605 MPI2_SCSI_STATE_NO_SCSI_STATUS
)))
4606 scmd
->result
= DID_SOFT_ERROR
<< 16;
4607 else if (scsi_state
& MPI2_SCSI_STATE_TERMINATED
)
4608 scmd
->result
= DID_RESET
<< 16;
4611 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR
:
4612 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR
:
4613 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR
:
4614 _scsih_eedp_error_handling(scmd
, ioc_status
);
4616 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR
:
4617 case MPI2_IOCSTATUS_INVALID_FUNCTION
:
4618 case MPI2_IOCSTATUS_INVALID_SGL
:
4619 case MPI2_IOCSTATUS_INTERNAL_ERROR
:
4620 case MPI2_IOCSTATUS_INVALID_FIELD
:
4621 case MPI2_IOCSTATUS_INVALID_STATE
:
4622 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR
:
4623 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED
:
4625 scmd
->result
= DID_SOFT_ERROR
<< 16;
4630 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4631 if (scmd
->result
&& (ioc
->logging_level
& MPT_DEBUG_REPLY
))
4632 _scsih_scsi_ioc_info(ioc
, scmd
, mpi_reply
, smid
);
4636 scsi_dma_unmap(scmd
);
4637 scmd
->scsi_done(scmd
);
4642 * _scsih_sas_host_refresh - refreshing sas host object contents
4643 * @ioc: per adapter object
4646 * During port enable, fw will send topology events for every device. Its
4647 * possible that the handles may change from the previous setting, so this
4648 * code keeping handles updating if changed.
4653 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER
*ioc
)
4658 Mpi2ConfigReply_t mpi_reply
;
4659 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4660 u16 attached_handle
;
4663 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
4664 "updating handles for sas_host(0x%016llx)\n",
4665 ioc
->name
, (unsigned long long)ioc
->sas_hba
.sas_address
));
4667 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
4668 * sizeof(Mpi2SasIOUnit0PhyData_t
));
4669 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4670 if (!sas_iounit_pg0
) {
4671 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4672 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4676 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4677 sas_iounit_pg0
, sz
)) != 0)
4679 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
4680 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
4682 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4683 link_rate
= sas_iounit_pg0
->PhyData
[i
].NegotiatedLinkRate
>> 4;
4685 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4686 PhyData
[0].ControllerDevHandle
);
4687 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4688 attached_handle
= le16_to_cpu(sas_iounit_pg0
->PhyData
[i
].
4690 if (attached_handle
&& link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
4691 link_rate
= MPI2_SAS_NEG_LINK_RATE_1_5
;
4692 mpt2sas_transport_update_links(ioc
, ioc
->sas_hba
.sas_address
,
4693 attached_handle
, i
, link_rate
);
4696 kfree(sas_iounit_pg0
);
4700 * _scsih_sas_host_add - create sas host object
4701 * @ioc: per adapter object
4703 * Creating host side data object, stored in ioc->sas_hba
4708 _scsih_sas_host_add(struct MPT2SAS_ADAPTER
*ioc
)
4711 Mpi2ConfigReply_t mpi_reply
;
4712 Mpi2SasIOUnitPage0_t
*sas_iounit_pg0
= NULL
;
4713 Mpi2SasIOUnitPage1_t
*sas_iounit_pg1
= NULL
;
4714 Mpi2SasPhyPage0_t phy_pg0
;
4715 Mpi2SasDevicePage0_t sas_device_pg0
;
4716 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4719 u16 device_missing_delay
;
4721 mpt2sas_config_get_number_hba_phys(ioc
, &ioc
->sas_hba
.num_phys
);
4722 if (!ioc
->sas_hba
.num_phys
) {
4723 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4724 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4728 /* sas_iounit page 0 */
4729 sz
= offsetof(Mpi2SasIOUnitPage0_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4730 sizeof(Mpi2SasIOUnit0PhyData_t
));
4731 sas_iounit_pg0
= kzalloc(sz
, GFP_KERNEL
);
4732 if (!sas_iounit_pg0
) {
4733 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4734 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4737 if ((mpt2sas_config_get_sas_iounit_pg0(ioc
, &mpi_reply
,
4738 sas_iounit_pg0
, sz
))) {
4739 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4740 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4743 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4744 MPI2_IOCSTATUS_MASK
;
4745 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4746 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4747 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4751 /* sas_iounit page 1 */
4752 sz
= offsetof(Mpi2SasIOUnitPage1_t
, PhyData
) + (ioc
->sas_hba
.num_phys
*
4753 sizeof(Mpi2SasIOUnit1PhyData_t
));
4754 sas_iounit_pg1
= kzalloc(sz
, GFP_KERNEL
);
4755 if (!sas_iounit_pg1
) {
4756 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4757 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4760 if ((mpt2sas_config_get_sas_iounit_pg1(ioc
, &mpi_reply
,
4761 sas_iounit_pg1
, sz
))) {
4762 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4763 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4766 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4767 MPI2_IOCSTATUS_MASK
;
4768 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4769 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4770 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4774 ioc
->io_missing_delay
=
4775 le16_to_cpu(sas_iounit_pg1
->IODeviceMissingDelay
);
4776 device_missing_delay
=
4777 le16_to_cpu(sas_iounit_pg1
->ReportDeviceMissingDelay
);
4778 if (device_missing_delay
& MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16
)
4779 ioc
->device_missing_delay
= (device_missing_delay
&
4780 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
) * 16;
4782 ioc
->device_missing_delay
= device_missing_delay
&
4783 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK
;
4785 ioc
->sas_hba
.parent_dev
= &ioc
->shost
->shost_gendev
;
4786 ioc
->sas_hba
.phy
= kcalloc(ioc
->sas_hba
.num_phys
,
4787 sizeof(struct _sas_phy
), GFP_KERNEL
);
4788 if (!ioc
->sas_hba
.phy
) {
4789 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4790 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4793 for (i
= 0; i
< ioc
->sas_hba
.num_phys
; i
++) {
4794 if ((mpt2sas_config_get_phy_pg0(ioc
, &mpi_reply
, &phy_pg0
,
4796 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4797 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4800 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4801 MPI2_IOCSTATUS_MASK
;
4802 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4803 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4804 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4809 ioc
->sas_hba
.handle
= le16_to_cpu(sas_iounit_pg0
->
4810 PhyData
[0].ControllerDevHandle
);
4811 ioc
->sas_hba
.phy
[i
].handle
= ioc
->sas_hba
.handle
;
4812 ioc
->sas_hba
.phy
[i
].phy_id
= i
;
4813 mpt2sas_transport_add_host_phy(ioc
, &ioc
->sas_hba
.phy
[i
],
4814 phy_pg0
, ioc
->sas_hba
.parent_dev
);
4816 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
4817 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, ioc
->sas_hba
.handle
))) {
4818 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4819 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4822 ioc
->sas_hba
.enclosure_handle
=
4823 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
4824 ioc
->sas_hba
.sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
4825 printk(MPT2SAS_INFO_FMT
"host_add: handle(0x%04x), "
4826 "sas_addr(0x%016llx), phys(%d)\n", ioc
->name
, ioc
->sas_hba
.handle
,
4827 (unsigned long long) ioc
->sas_hba
.sas_address
,
4828 ioc
->sas_hba
.num_phys
) ;
4830 if (ioc
->sas_hba
.enclosure_handle
) {
4831 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4833 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4834 ioc
->sas_hba
.enclosure_handle
))) {
4835 ioc
->sas_hba
.enclosure_logical_id
=
4836 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4841 kfree(sas_iounit_pg1
);
4842 kfree(sas_iounit_pg0
);
4846 * _scsih_expander_add - creating expander object
4847 * @ioc: per adapter object
4848 * @handle: expander handle
4850 * Creating expander object, stored in ioc->sas_expander_list.
4852 * Return 0 for success, else error.
4855 _scsih_expander_add(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
4857 struct _sas_node
*sas_expander
;
4858 Mpi2ConfigReply_t mpi_reply
;
4859 Mpi2ExpanderPage0_t expander_pg0
;
4860 Mpi2ExpanderPage1_t expander_pg1
;
4861 Mpi2SasEnclosurePage0_t enclosure_pg0
;
4864 u64 sas_address
, sas_address_parent
= 0;
4866 unsigned long flags
;
4867 struct _sas_port
*mpt2sas_port
= NULL
;
4873 if (ioc
->shost_recovery
|| ioc
->pci_error_recovery
)
4876 if ((mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
4877 MPI2_SAS_EXPAND_PGAD_FORM_HNDL
, handle
))) {
4878 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4879 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4883 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
4884 MPI2_IOCSTATUS_MASK
;
4885 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
4886 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4887 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4891 /* handle out of order topology events */
4892 parent_handle
= le16_to_cpu(expander_pg0
.ParentDevHandle
);
4893 if (_scsih_get_sas_address(ioc
, parent_handle
, &sas_address_parent
)
4895 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4896 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4899 if (sas_address_parent
!= ioc
->sas_hba
.sas_address
) {
4900 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4901 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
4902 sas_address_parent
);
4903 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4904 if (!sas_expander
) {
4905 rc
= _scsih_expander_add(ioc
, parent_handle
);
4911 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
4912 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
4913 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
4915 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
4920 sas_expander
= kzalloc(sizeof(struct _sas_node
),
4922 if (!sas_expander
) {
4923 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4924 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4928 sas_expander
->handle
= handle
;
4929 sas_expander
->num_phys
= expander_pg0
.NumPhys
;
4930 sas_expander
->sas_address_parent
= sas_address_parent
;
4931 sas_expander
->sas_address
= sas_address
;
4933 printk(MPT2SAS_INFO_FMT
"expander_add: handle(0x%04x),"
4934 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc
->name
,
4935 handle
, parent_handle
, (unsigned long long)
4936 sas_expander
->sas_address
, sas_expander
->num_phys
);
4938 if (!sas_expander
->num_phys
)
4940 sas_expander
->phy
= kcalloc(sas_expander
->num_phys
,
4941 sizeof(struct _sas_phy
), GFP_KERNEL
);
4942 if (!sas_expander
->phy
) {
4943 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4944 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4949 INIT_LIST_HEAD(&sas_expander
->sas_port_list
);
4950 mpt2sas_port
= mpt2sas_transport_port_add(ioc
, handle
,
4951 sas_address_parent
);
4952 if (!mpt2sas_port
) {
4953 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4954 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4958 sas_expander
->parent_dev
= &mpt2sas_port
->rphy
->dev
;
4960 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
4961 if ((mpt2sas_config_get_expander_pg1(ioc
, &mpi_reply
,
4962 &expander_pg1
, i
, handle
))) {
4963 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4964 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4968 sas_expander
->phy
[i
].handle
= handle
;
4969 sas_expander
->phy
[i
].phy_id
= i
;
4971 if ((mpt2sas_transport_add_expander_phy(ioc
,
4972 &sas_expander
->phy
[i
], expander_pg1
,
4973 sas_expander
->parent_dev
))) {
4974 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
4975 ioc
->name
, __FILE__
, __LINE__
, __func__
);
4981 if (sas_expander
->enclosure_handle
) {
4982 if (!(mpt2sas_config_get_enclosure_pg0(ioc
, &mpi_reply
,
4983 &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
4984 sas_expander
->enclosure_handle
))) {
4985 sas_expander
->enclosure_logical_id
=
4986 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
4990 _scsih_expander_node_add(ioc
, sas_expander
);
4996 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
4997 sas_address_parent
);
4998 kfree(sas_expander
);
5003 * _scsih_done - scsih callback handler.
5004 * @ioc: per adapter object
5005 * @smid: system request message index
5006 * @msix_index: MSIX table index supplied by the OS
5007 * @reply: reply message frame(lower 32bit addr)
5009 * Callback handler when sending internal generated message frames.
5010 * The callback index passed is `ioc->scsih_cb_idx`
5012 * Return 1 meaning mf should be freed from _base_interrupt
5013 * 0 means the mf is freed from this function.
5016 _scsih_done(struct MPT2SAS_ADAPTER
*ioc
, u16 smid
, u8 msix_index
, u32 reply
)
5018 MPI2DefaultReply_t
*mpi_reply
;
5020 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
5021 if (ioc
->scsih_cmds
.status
== MPT2_CMD_NOT_USED
)
5023 if (ioc
->scsih_cmds
.smid
!= smid
)
5025 ioc
->scsih_cmds
.status
|= MPT2_CMD_COMPLETE
;
5027 memcpy(ioc
->scsih_cmds
.reply
, mpi_reply
,
5028 mpi_reply
->MsgLength
*4);
5029 ioc
->scsih_cmds
.status
|= MPT2_CMD_REPLY_VALID
;
5031 ioc
->scsih_cmds
.status
&= ~MPT2_CMD_PENDING
;
5032 complete(&ioc
->scsih_cmds
.done
);
5037 * mpt2sas_expander_remove - removing expander object
5038 * @ioc: per adapter object
5039 * @sas_address: expander sas_address
5044 mpt2sas_expander_remove(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
)
5046 struct _sas_node
*sas_expander
;
5047 unsigned long flags
;
5049 if (ioc
->shost_recovery
)
5052 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5053 sas_expander
= mpt2sas_scsih_expander_find_by_sas_address(ioc
,
5056 list_del(&sas_expander
->list
);
5057 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5059 _scsih_expander_node_remove(ioc
, sas_expander
);
5063 * _scsih_check_access_status - check access flags
5064 * @ioc: per adapter object
5065 * @sas_address: sas address
5066 * @handle: sas device handle
5067 * @access_flags: errors returned during discovery of the device
5069 * Return 0 for success, else failure
5072 _scsih_check_access_status(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
5073 u16 handle
, u8 access_status
)
5078 switch (access_status
) {
5079 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS
:
5080 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION
:
5083 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED
:
5084 desc
= "sata capability failed";
5086 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT
:
5087 desc
= "sata affiliation conflict";
5089 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE
:
5090 desc
= "route not addressable";
5092 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE
:
5093 desc
= "smp error not addressable";
5095 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED
:
5096 desc
= "device blocked";
5098 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED
:
5099 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN
:
5100 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT
:
5101 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG
:
5102 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION
:
5103 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER
:
5104 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN
:
5105 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN
:
5106 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN
:
5107 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION
:
5108 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE
:
5109 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX
:
5110 desc
= "sata initialization failed";
5120 printk(MPT2SAS_ERR_FMT
"discovery errors(%s): sas_address(0x%016llx), "
5121 "handle(0x%04x)\n", ioc
->name
, desc
,
5122 (unsigned long long)sas_address
, handle
);
5127 _scsih_check_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
5129 Mpi2ConfigReply_t mpi_reply
;
5130 Mpi2SasDevicePage0_t sas_device_pg0
;
5131 struct _sas_device
*sas_device
;
5133 unsigned long flags
;
5135 struct scsi_target
*starget
;
5136 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5140 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5141 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
)))
5144 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) & MPI2_IOCSTATUS_MASK
;
5145 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
)
5148 /* check if this is end device */
5149 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
5150 if (!(_scsih_is_end_device(device_info
)))
5153 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5154 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
5155 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
5159 printk(MPT2SAS_ERR_FMT
"device is not present "
5160 "handle(0x%04x), no sas_device!!!\n", ioc
->name
, handle
);
5161 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5165 if (unlikely(sas_device
->handle
!= handle
)) {
5166 starget
= sas_device
->starget
;
5167 sas_target_priv_data
= starget
->hostdata
;
5168 starget_printk(KERN_INFO
, starget
, "handle changed from(0x%04x)"
5169 " to (0x%04x)!!!\n", sas_device
->handle
, handle
);
5170 sas_target_priv_data
->handle
= handle
;
5171 sas_device
->handle
= handle
;
5174 /* check if device is present */
5175 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
5176 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
5177 printk(MPT2SAS_ERR_FMT
"device is not present "
5178 "handle(0x%04x), flags!!!\n", ioc
->name
, handle
);
5179 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5183 /* check if there were any issues with discovery */
5184 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
5185 sas_device_pg0
.AccessStatus
)) {
5186 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5189 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5190 _scsih_ublock_io_device(ioc
, sas_address
);
5195 * _scsih_add_device - creating sas device object
5196 * @ioc: per adapter object
5197 * @handle: sas device handle
5198 * @phy_num: phy number end device attached to
5199 * @is_pd: is this hidden raid component
5201 * Creating end device object, stored in ioc->sas_device_list.
5203 * Returns 0 for success, non-zero for failure.
5206 _scsih_add_device(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
, u8 phy_num
, u8 is_pd
)
5208 Mpi2ConfigReply_t mpi_reply
;
5209 Mpi2SasDevicePage0_t sas_device_pg0
;
5210 Mpi2SasEnclosurePage0_t enclosure_pg0
;
5211 struct _sas_device
*sas_device
;
5215 unsigned long flags
;
5217 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
5218 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
5219 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5220 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5224 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
5225 MPI2_IOCSTATUS_MASK
;
5226 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
5227 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5228 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5232 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
5234 /* check if device is present */
5235 if (!(le16_to_cpu(sas_device_pg0
.Flags
) &
5236 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT
)) {
5237 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5238 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5239 printk(MPT2SAS_ERR_FMT
"Flags = 0x%04x\n",
5240 ioc
->name
, le16_to_cpu(sas_device_pg0
.Flags
));
5244 /* check if there were any issues with discovery */
5245 if (_scsih_check_access_status(ioc
, sas_address
, handle
,
5246 sas_device_pg0
.AccessStatus
))
5249 /* check if this is end device */
5250 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
5251 if (!(_scsih_is_end_device(device_info
))) {
5252 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5253 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5258 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5259 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
5261 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5266 sas_device
= kzalloc(sizeof(struct _sas_device
),
5269 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5270 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5274 sas_device
->handle
= handle
;
5275 if (_scsih_get_sas_address(ioc
, le16_to_cpu
5276 (sas_device_pg0
.ParentDevHandle
),
5277 &sas_device
->sas_address_parent
) != 0)
5278 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
5279 ioc
->name
, __FILE__
, __LINE__
, __func__
);
5280 sas_device
->enclosure_handle
=
5281 le16_to_cpu(sas_device_pg0
.EnclosureHandle
);
5283 le16_to_cpu(sas_device_pg0
.Slot
);
5284 sas_device
->device_info
= device_info
;
5285 sas_device
->sas_address
= sas_address
;
5286 sas_device
->phy
= sas_device_pg0
.PhyNum
;
5288 /* get enclosure_logical_id */
5289 if (sas_device
->enclosure_handle
&& !(mpt2sas_config_get_enclosure_pg0(
5290 ioc
, &mpi_reply
, &enclosure_pg0
, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE
,
5291 sas_device
->enclosure_handle
)))
5292 sas_device
->enclosure_logical_id
=
5293 le64_to_cpu(enclosure_pg0
.EnclosureLogicalID
);
5295 /* get device name */
5296 sas_device
->device_name
= le64_to_cpu(sas_device_pg0
.DeviceName
);
5298 if (ioc
->wait_for_discovery_to_complete
)
5299 _scsih_sas_device_init_add(ioc
, sas_device
);
5301 _scsih_sas_device_add(ioc
, sas_device
);
5307 * _scsih_remove_device - removing sas device object
5308 * @ioc: per adapter object
5309 * @sas_device_delete: the sas_device object
5314 _scsih_remove_device(struct MPT2SAS_ADAPTER
*ioc
,
5315 struct _sas_device
*sas_device
)
5317 struct MPT2SAS_TARGET
*sas_target_priv_data
;
5319 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter: "
5320 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
5321 sas_device
->handle
, (unsigned long long)
5322 sas_device
->sas_address
));
5324 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
5325 sas_target_priv_data
= sas_device
->starget
->hostdata
;
5326 sas_target_priv_data
->deleted
= 1;
5327 _scsih_ublock_io_device(ioc
, sas_device
->sas_address
);
5328 sas_target_priv_data
->handle
=
5329 MPT2SAS_INVALID_DEVICE_HANDLE
;
5332 if (!ioc
->hide_drives
)
5333 mpt2sas_transport_port_remove(ioc
,
5334 sas_device
->sas_address
,
5335 sas_device
->sas_address_parent
);
5337 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), sas_addr"
5338 "(0x%016llx)\n", ioc
->name
, sas_device
->handle
,
5339 (unsigned long long) sas_device
->sas_address
);
5341 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: exit: "
5342 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
, __func__
,
5343 sas_device
->handle
, (unsigned long long)
5344 sas_device
->sas_address
));
5348 * _scsih_device_remove_by_handle - removing device object by handle
5349 * @ioc: per adapter object
5350 * @handle: device handle
5355 _scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
5357 struct _sas_device
*sas_device
;
5358 unsigned long flags
;
5360 if (ioc
->shost_recovery
)
5363 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5364 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
5366 list_del(&sas_device
->list
);
5367 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5369 _scsih_remove_device(ioc
, sas_device
);
5373 * mpt2sas_device_remove_by_sas_address - removing device object by sas address
5374 * @ioc: per adapter object
5375 * @sas_address: device sas_address
5380 mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER
*ioc
,
5383 struct _sas_device
*sas_device
;
5384 unsigned long flags
;
5386 if (ioc
->shost_recovery
)
5389 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5390 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
5393 list_del(&sas_device
->list
);
5394 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5396 _scsih_remove_device(ioc
, sas_device
);
5398 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5400 * _scsih_sas_topology_change_event_debug - debug for topology event
5401 * @ioc: per adapter object
5402 * @event_data: event data payload
5406 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5407 Mpi2EventDataSasTopologyChangeList_t
*event_data
)
5413 char *status_str
= NULL
;
5414 u8 link_rate
, prev_link_rate
;
5416 switch (event_data
->ExpStatus
) {
5417 case MPI2_EVENT_SAS_TOPO_ES_ADDED
:
5420 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
:
5421 status_str
= "remove";
5423 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING
:
5425 status_str
= "responding";
5427 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
:
5428 status_str
= "remove delay";
5431 status_str
= "unknown status";
5434 printk(MPT2SAS_INFO_FMT
"sas topology change: (%s)\n",
5435 ioc
->name
, status_str
);
5436 printk(KERN_INFO
"\thandle(0x%04x), enclosure_handle(0x%04x) "
5437 "start_phy(%02d), count(%d)\n",
5438 le16_to_cpu(event_data
->ExpanderDevHandle
),
5439 le16_to_cpu(event_data
->EnclosureHandle
),
5440 event_data
->StartPhyNum
, event_data
->NumEntries
);
5441 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
5442 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
5445 phy_number
= event_data
->StartPhyNum
+ i
;
5446 reason_code
= event_data
->PHY
[i
].PhyStatus
&
5447 MPI2_EVENT_SAS_TOPO_RC_MASK
;
5448 switch (reason_code
) {
5449 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
5450 status_str
= "target add";
5452 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5453 status_str
= "target remove";
5455 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING
:
5456 status_str
= "delay target remove";
5458 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5459 status_str
= "link rate change";
5461 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE
:
5462 status_str
= "target responding";
5465 status_str
= "unknown";
5468 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5469 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5470 printk(KERN_INFO
"\tphy(%02d), attached_handle(0x%04x): %s:"
5471 " link rate: new(0x%02x), old(0x%02x)\n", phy_number
,
5472 handle
, status_str
, link_rate
, prev_link_rate
);
5479 * _scsih_sas_topology_change_event - handle topology changes
5480 * @ioc: per adapter object
5481 * @fw_event: The fw_event_work object
5486 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5487 struct fw_event_work
*fw_event
)
5490 u16 parent_handle
, handle
;
5492 u8 phy_number
, max_phys
;
5493 struct _sas_node
*sas_expander
;
5495 unsigned long flags
;
5496 u8 link_rate
, prev_link_rate
;
5497 Mpi2EventDataSasTopologyChangeList_t
*event_data
= fw_event
->event_data
;
5499 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5500 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5501 _scsih_sas_topology_change_event_debug(ioc
, event_data
);
5504 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
5507 if (!ioc
->sas_hba
.num_phys
)
5508 _scsih_sas_host_add(ioc
);
5510 _scsih_sas_host_refresh(ioc
);
5512 if (fw_event
->ignore
) {
5513 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"ignoring expander "
5514 "event\n", ioc
->name
));
5518 parent_handle
= le16_to_cpu(event_data
->ExpanderDevHandle
);
5520 /* handle expander add */
5521 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_ADDED
)
5522 if (_scsih_expander_add(ioc
, parent_handle
) != 0)
5525 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
5526 sas_expander
= mpt2sas_scsih_expander_find_by_handle(ioc
,
5529 sas_address
= sas_expander
->sas_address
;
5530 max_phys
= sas_expander
->num_phys
;
5531 } else if (parent_handle
< ioc
->sas_hba
.num_phys
) {
5532 sas_address
= ioc
->sas_hba
.sas_address
;
5533 max_phys
= ioc
->sas_hba
.num_phys
;
5535 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5538 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
5540 /* handle siblings events */
5541 for (i
= 0; i
< event_data
->NumEntries
; i
++) {
5542 if (fw_event
->ignore
) {
5543 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"ignoring "
5544 "expander event\n", ioc
->name
));
5547 if (ioc
->shost_recovery
|| ioc
->remove_host
||
5548 ioc
->pci_error_recovery
)
5550 phy_number
= event_data
->StartPhyNum
+ i
;
5551 if (phy_number
>= max_phys
)
5553 reason_code
= event_data
->PHY
[i
].PhyStatus
&
5554 MPI2_EVENT_SAS_TOPO_RC_MASK
;
5555 if ((event_data
->PHY
[i
].PhyStatus
&
5556 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT
) && (reason_code
!=
5557 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
))
5559 handle
= le16_to_cpu(event_data
->PHY
[i
].AttachedDevHandle
);
5562 link_rate
= event_data
->PHY
[i
].LinkRate
>> 4;
5563 prev_link_rate
= event_data
->PHY
[i
].LinkRate
& 0xF;
5564 switch (reason_code
) {
5565 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED
:
5567 if (ioc
->shost_recovery
)
5570 if (link_rate
== prev_link_rate
)
5573 mpt2sas_transport_update_links(ioc
, sas_address
,
5574 handle
, phy_number
, link_rate
);
5576 if (link_rate
< MPI2_SAS_NEG_LINK_RATE_1_5
)
5579 _scsih_check_device(ioc
, handle
);
5581 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED
:
5583 if (ioc
->shost_recovery
)
5586 mpt2sas_transport_update_links(ioc
, sas_address
,
5587 handle
, phy_number
, link_rate
);
5589 _scsih_add_device(ioc
, handle
, phy_number
, 0);
5591 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING
:
5593 _scsih_device_remove_by_handle(ioc
, handle
);
5598 /* handle expander removal */
5599 if (event_data
->ExpStatus
== MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING
&&
5601 mpt2sas_expander_remove(ioc
, sas_address
);
5605 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5607 * _scsih_sas_device_status_change_event_debug - debug for device event
5608 * @event_data: event data payload
5614 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5615 Mpi2EventDataSasDeviceStatusChange_t
*event_data
)
5617 char *reason_str
= NULL
;
5619 switch (event_data
->ReasonCode
) {
5620 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
:
5621 reason_str
= "smart data";
5623 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED
:
5624 reason_str
= "unsupported device discovered";
5626 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
:
5627 reason_str
= "internal device reset";
5629 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL
:
5630 reason_str
= "internal task abort";
5632 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL
:
5633 reason_str
= "internal task abort set";
5635 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL
:
5636 reason_str
= "internal clear task set";
5638 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL
:
5639 reason_str
= "internal query task";
5641 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE
:
5642 reason_str
= "sata init failure";
5644 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
:
5645 reason_str
= "internal device reset complete";
5647 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL
:
5648 reason_str
= "internal task abort complete";
5650 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION
:
5651 reason_str
= "internal async notification";
5653 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY
:
5654 reason_str
= "expander reduced functionality";
5656 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY
:
5657 reason_str
= "expander reduced functionality complete";
5660 reason_str
= "unknown reason";
5663 printk(MPT2SAS_INFO_FMT
"device status change: (%s)\n"
5664 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5665 ioc
->name
, reason_str
, le16_to_cpu(event_data
->DevHandle
),
5666 (unsigned long long)le64_to_cpu(event_data
->SASAddress
),
5667 le16_to_cpu(event_data
->TaskTag
));
5668 if (event_data
->ReasonCode
== MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA
)
5669 printk(MPT2SAS_INFO_FMT
", ASC(0x%x), ASCQ(0x%x)\n", ioc
->name
,
5670 event_data
->ASC
, event_data
->ASCQ
);
5671 printk(KERN_INFO
"\n");
5676 * _scsih_sas_device_status_change_event - handle device status change
5677 * @ioc: per adapter object
5678 * @fw_event: The fw_event_work object
5684 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5685 struct fw_event_work
*fw_event
)
5687 struct MPT2SAS_TARGET
*target_priv_data
;
5688 struct _sas_device
*sas_device
;
5690 unsigned long flags
;
5691 Mpi2EventDataSasDeviceStatusChange_t
*event_data
=
5692 fw_event
->event_data
;
5694 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5695 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5696 _scsih_sas_device_status_change_event_debug(ioc
,
5700 /* In MPI Revision K (0xC), the internal device reset complete was
5701 * implemented, so avoid setting tm_busy flag for older firmware.
5703 if ((ioc
->facts
.HeaderVersion
>> 8) < 0xC)
5706 if (event_data
->ReasonCode
!=
5707 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
&&
5708 event_data
->ReasonCode
!=
5709 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET
)
5712 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
5713 sas_address
= le64_to_cpu(event_data
->SASAddress
);
5714 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
5717 if (!sas_device
|| !sas_device
->starget
) {
5718 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5722 target_priv_data
= sas_device
->starget
->hostdata
;
5723 if (!target_priv_data
) {
5724 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5728 if (event_data
->ReasonCode
==
5729 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET
)
5730 target_priv_data
->tm_busy
= 1;
5732 target_priv_data
->tm_busy
= 0;
5733 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
5736 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5738 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
5739 * @ioc: per adapter object
5740 * @event_data: event data payload
5746 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
5747 Mpi2EventDataSasEnclDevStatusChange_t
*event_data
)
5749 char *reason_str
= NULL
;
5751 switch (event_data
->ReasonCode
) {
5752 case MPI2_EVENT_SAS_ENCL_RC_ADDED
:
5753 reason_str
= "enclosure add";
5755 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING
:
5756 reason_str
= "enclosure remove";
5759 reason_str
= "unknown reason";
5763 printk(MPT2SAS_INFO_FMT
"enclosure status change: (%s)\n"
5764 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
5765 " number slots(%d)\n", ioc
->name
, reason_str
,
5766 le16_to_cpu(event_data
->EnclosureHandle
),
5767 (unsigned long long)le64_to_cpu(event_data
->EnclosureLogicalID
),
5768 le16_to_cpu(event_data
->StartSlot
));
5773 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5774 * @ioc: per adapter object
5775 * @fw_event: The fw_event_work object
5781 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER
*ioc
,
5782 struct fw_event_work
*fw_event
)
5784 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5785 if (ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
5786 _scsih_sas_enclosure_dev_status_change_event_debug(ioc
,
5787 fw_event
->event_data
);
5792 * _scsih_sas_broadcast_primitive_event - handle broadcast events
5793 * @ioc: per adapter object
5794 * @fw_event: The fw_event_work object
5800 _scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER
*ioc
,
5801 struct fw_event_work
*fw_event
)
5803 struct scsi_cmnd
*scmd
;
5804 struct scsi_device
*sdev
;
5807 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
5808 u32 termination_count
;
5810 Mpi2SCSITaskManagementReply_t
*mpi_reply
;
5811 Mpi2EventDataSasBroadcastPrimitive_t
*event_data
= fw_event
->event_data
;
5813 unsigned long flags
;
5816 u8 task_abort_retries
;
5818 mutex_lock(&ioc
->tm_cmds
.mutex
);
5819 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: enter: phy number(%d), "
5820 "width(%d)\n", 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 _scsih_sas_host_add(ioc
);
5981 * _scsih_reprobe_lun - reprobing lun
5982 * @sdev: scsi device struct
5983 * @no_uld_attach: sdev->no_uld_attach flag setting
5987 _scsih_reprobe_lun(struct scsi_device
*sdev
, void *no_uld_attach
)
5991 sdev
->no_uld_attach
= no_uld_attach
? 1 : 0;
5992 sdev_printk(KERN_INFO
, sdev
, "%s raid component\n",
5993 sdev
->no_uld_attach
? "hidding" : "exposing");
5994 rc
= scsi_device_reprobe(sdev
);
5998 * _scsih_sas_volume_add - add new volume
5999 * @ioc: per adapter object
6000 * @element: IR config element data
6006 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER
*ioc
,
6007 Mpi2EventIrConfigElement_t
*element
)
6009 struct _raid_device
*raid_device
;
6010 unsigned long flags
;
6012 u16 handle
= le16_to_cpu(element
->VolDevHandle
);
6015 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
6017 printk(MPT2SAS_ERR_FMT
6018 "failure at %s:%d/%s()!\n", ioc
->name
,
6019 __FILE__
, __LINE__
, __func__
);
6023 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6024 raid_device
= _scsih_raid_device_find_by_wwid(ioc
, wwid
);
6025 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6030 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
6032 printk(MPT2SAS_ERR_FMT
6033 "failure at %s:%d/%s()!\n", ioc
->name
,
6034 __FILE__
, __LINE__
, __func__
);
6038 raid_device
->id
= ioc
->sas_id
++;
6039 raid_device
->channel
= RAID_CHANNEL
;
6040 raid_device
->handle
= handle
;
6041 raid_device
->wwid
= wwid
;
6042 _scsih_raid_device_add(ioc
, raid_device
);
6043 if (!ioc
->wait_for_discovery_to_complete
) {
6044 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6045 raid_device
->id
, 0);
6047 _scsih_raid_device_remove(ioc
, raid_device
);
6049 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6050 _scsih_determine_boot_device(ioc
, raid_device
, 1);
6051 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6056 * _scsih_sas_volume_delete - delete volume
6057 * @ioc: per adapter object
6058 * @handle: volume device handle
6064 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER
*ioc
, u16 handle
)
6066 struct _raid_device
*raid_device
;
6067 unsigned long flags
;
6068 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6069 struct scsi_target
*starget
= NULL
;
6071 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6072 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6074 if (raid_device
->starget
) {
6075 starget
= raid_device
->starget
;
6076 sas_target_priv_data
= starget
->hostdata
;
6077 sas_target_priv_data
->deleted
= 1;
6079 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
6080 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
6081 (unsigned long long) raid_device
->wwid
);
6082 list_del(&raid_device
->list
);
6085 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6087 scsi_remove_target(&starget
->dev
);
6091 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6092 * @ioc: per adapter object
6093 * @element: IR config element data
6099 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER
*ioc
,
6100 Mpi2EventIrConfigElement_t
*element
)
6102 struct _sas_device
*sas_device
;
6103 struct scsi_target
*starget
= NULL
;
6104 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6105 unsigned long flags
;
6106 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6108 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6109 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6111 sas_device
->volume_handle
= 0;
6112 sas_device
->volume_wwid
= 0;
6113 clear_bit(handle
, ioc
->pd_handles
);
6114 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
6115 starget
= sas_device
->starget
;
6116 sas_target_priv_data
= starget
->hostdata
;
6117 sas_target_priv_data
->flags
&=
6118 ~MPT_TARGET_FLAGS_RAID_COMPONENT
;
6121 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6125 /* exposing raid component */
6127 starget_for_each_device(starget
, NULL
, _scsih_reprobe_lun
);
6131 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6132 * @ioc: per adapter object
6133 * @element: IR config element data
6139 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER
*ioc
,
6140 Mpi2EventIrConfigElement_t
*element
)
6142 struct _sas_device
*sas_device
;
6143 struct scsi_target
*starget
= NULL
;
6144 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6145 unsigned long flags
;
6146 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6147 u16 volume_handle
= 0;
6148 u64 volume_wwid
= 0;
6150 mpt2sas_config_get_volume_handle(ioc
, handle
, &volume_handle
);
6152 mpt2sas_config_get_volume_wwid(ioc
, volume_handle
,
6155 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6156 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6158 set_bit(handle
, ioc
->pd_handles
);
6159 if (sas_device
->starget
&& sas_device
->starget
->hostdata
) {
6160 starget
= sas_device
->starget
;
6161 sas_target_priv_data
= starget
->hostdata
;
6162 sas_target_priv_data
->flags
|=
6163 MPT_TARGET_FLAGS_RAID_COMPONENT
;
6164 sas_device
->volume_handle
= volume_handle
;
6165 sas_device
->volume_wwid
= volume_wwid
;
6168 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6172 /* hiding raid component */
6174 starget_for_each_device(starget
, (void *)1, _scsih_reprobe_lun
);
6178 * _scsih_sas_pd_delete - delete pd component
6179 * @ioc: per adapter object
6180 * @element: IR config element data
6186 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER
*ioc
,
6187 Mpi2EventIrConfigElement_t
*element
)
6189 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6191 _scsih_device_remove_by_handle(ioc
, handle
);
6195 * _scsih_sas_pd_add - remove pd component
6196 * @ioc: per adapter object
6197 * @element: IR config element data
6203 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER
*ioc
,
6204 Mpi2EventIrConfigElement_t
*element
)
6206 struct _sas_device
*sas_device
;
6207 unsigned long flags
;
6208 u16 handle
= le16_to_cpu(element
->PhysDiskDevHandle
);
6209 Mpi2ConfigReply_t mpi_reply
;
6210 Mpi2SasDevicePage0_t sas_device_pg0
;
6215 set_bit(handle
, ioc
->pd_handles
);
6217 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6218 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6219 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6223 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
, &sas_device_pg0
,
6224 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
, handle
))) {
6225 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6226 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6230 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6231 MPI2_IOCSTATUS_MASK
;
6232 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6233 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6234 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6238 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6239 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
6240 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
6241 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6243 _scsih_add_device(ioc
, handle
, 0, 1);
6246 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6248 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6249 * @ioc: per adapter object
6250 * @event_data: event data payload
6256 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
6257 Mpi2EventDataIrConfigChangeList_t
*event_data
)
6259 Mpi2EventIrConfigElement_t
*element
;
6262 char *reason_str
= NULL
, *element_str
= NULL
;
6264 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
6266 printk(MPT2SAS_INFO_FMT
"raid config change: (%s), elements(%d)\n",
6267 ioc
->name
, (le32_to_cpu(event_data
->Flags
) &
6268 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ?
6269 "foreign" : "native", event_data
->NumElements
);
6270 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6271 switch (element
->ReasonCode
) {
6272 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
6275 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
6276 reason_str
= "remove";
6278 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE
:
6279 reason_str
= "no change";
6281 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
6282 reason_str
= "hide";
6284 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
6285 reason_str
= "unhide";
6287 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
6288 reason_str
= "volume_created";
6290 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
6291 reason_str
= "volume_deleted";
6293 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
6294 reason_str
= "pd_created";
6296 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
6297 reason_str
= "pd_deleted";
6300 reason_str
= "unknown reason";
6303 element_type
= le16_to_cpu(element
->ElementFlags
) &
6304 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK
;
6305 switch (element_type
) {
6306 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT
:
6307 element_str
= "volume";
6309 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT
:
6310 element_str
= "phys disk";
6312 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT
:
6313 element_str
= "hot spare";
6316 element_str
= "unknown element";
6319 printk(KERN_INFO
"\t(%s:%s), vol handle(0x%04x), "
6320 "pd handle(0x%04x), pd num(0x%02x)\n", element_str
,
6321 reason_str
, le16_to_cpu(element
->VolDevHandle
),
6322 le16_to_cpu(element
->PhysDiskDevHandle
),
6323 element
->PhysDiskNum
);
6329 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6330 * @ioc: per adapter object
6331 * @fw_event: The fw_event_work object
6337 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER
*ioc
,
6338 struct fw_event_work
*fw_event
)
6340 Mpi2EventIrConfigElement_t
*element
;
6343 Mpi2EventDataIrConfigChangeList_t
*event_data
= fw_event
->event_data
;
6345 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6346 if ((ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6347 && !ioc
->hide_ir_msg
)
6348 _scsih_sas_ir_config_change_event_debug(ioc
, event_data
);
6352 if (ioc
->shost_recovery
)
6355 foreign_config
= (le32_to_cpu(event_data
->Flags
) &
6356 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG
) ? 1 : 0;
6358 element
= (Mpi2EventIrConfigElement_t
*)&event_data
->ConfigElement
[0];
6359 for (i
= 0; i
< event_data
->NumElements
; i
++, element
++) {
6361 switch (element
->ReasonCode
) {
6362 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED
:
6363 case MPI2_EVENT_IR_CHANGE_RC_ADDED
:
6364 if (!foreign_config
)
6365 _scsih_sas_volume_add(ioc
, element
);
6367 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED
:
6368 case MPI2_EVENT_IR_CHANGE_RC_REMOVED
:
6369 if (!foreign_config
)
6370 _scsih_sas_volume_delete(ioc
,
6371 le16_to_cpu(element
->VolDevHandle
));
6373 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED
:
6374 if (!ioc
->is_warpdrive
)
6375 _scsih_sas_pd_hide(ioc
, element
);
6377 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED
:
6378 if (!ioc
->is_warpdrive
)
6379 _scsih_sas_pd_expose(ioc
, element
);
6381 case MPI2_EVENT_IR_CHANGE_RC_HIDE
:
6382 if (!ioc
->is_warpdrive
)
6383 _scsih_sas_pd_add(ioc
, element
);
6385 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE
:
6386 if (!ioc
->is_warpdrive
)
6387 _scsih_sas_pd_delete(ioc
, element
);
6394 * _scsih_sas_ir_volume_event - IR volume event
6395 * @ioc: per adapter object
6396 * @fw_event: The fw_event_work object
6402 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER
*ioc
,
6403 struct fw_event_work
*fw_event
)
6406 unsigned long flags
;
6407 struct _raid_device
*raid_device
;
6411 Mpi2EventDataIrVolume_t
*event_data
= fw_event
->event_data
;
6413 if (ioc
->shost_recovery
)
6416 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED
)
6419 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6420 state
= le32_to_cpu(event_data
->NewValue
);
6421 if (!ioc
->hide_ir_msg
)
6422 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle(0x%04x), "
6423 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
6424 le32_to_cpu(event_data
->PreviousValue
), state
));
6427 case MPI2_RAID_VOL_STATE_MISSING
:
6428 case MPI2_RAID_VOL_STATE_FAILED
:
6429 _scsih_sas_volume_delete(ioc
, handle
);
6432 case MPI2_RAID_VOL_STATE_ONLINE
:
6433 case MPI2_RAID_VOL_STATE_DEGRADED
:
6434 case MPI2_RAID_VOL_STATE_OPTIMAL
:
6436 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6437 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6438 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6443 mpt2sas_config_get_volume_wwid(ioc
, handle
, &wwid
);
6445 printk(MPT2SAS_ERR_FMT
6446 "failure at %s:%d/%s()!\n", ioc
->name
,
6447 __FILE__
, __LINE__
, __func__
);
6451 raid_device
= kzalloc(sizeof(struct _raid_device
), GFP_KERNEL
);
6453 printk(MPT2SAS_ERR_FMT
6454 "failure at %s:%d/%s()!\n", ioc
->name
,
6455 __FILE__
, __LINE__
, __func__
);
6459 raid_device
->id
= ioc
->sas_id
++;
6460 raid_device
->channel
= RAID_CHANNEL
;
6461 raid_device
->handle
= handle
;
6462 raid_device
->wwid
= wwid
;
6463 _scsih_raid_device_add(ioc
, raid_device
);
6464 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
6465 raid_device
->id
, 0);
6467 _scsih_raid_device_remove(ioc
, raid_device
);
6470 case MPI2_RAID_VOL_STATE_INITIALIZING
:
6477 * _scsih_sas_ir_physical_disk_event - PD event
6478 * @ioc: per adapter object
6479 * @fw_event: The fw_event_work object
6485 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER
*ioc
,
6486 struct fw_event_work
*fw_event
)
6488 u16 handle
, parent_handle
;
6490 struct _sas_device
*sas_device
;
6491 unsigned long flags
;
6492 Mpi2ConfigReply_t mpi_reply
;
6493 Mpi2SasDevicePage0_t sas_device_pg0
;
6495 Mpi2EventDataIrPhysicalDisk_t
*event_data
= fw_event
->event_data
;
6498 if (ioc
->shost_recovery
)
6501 if (event_data
->ReasonCode
!= MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED
)
6504 handle
= le16_to_cpu(event_data
->PhysDiskDevHandle
);
6505 state
= le32_to_cpu(event_data
->NewValue
);
6507 if (!ioc
->hide_ir_msg
)
6508 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: handle(0x%04x), "
6509 "old(0x%08x), new(0x%08x)\n", ioc
->name
, __func__
, handle
,
6510 le32_to_cpu(event_data
->PreviousValue
), state
));
6513 case MPI2_RAID_PD_STATE_ONLINE
:
6514 case MPI2_RAID_PD_STATE_DEGRADED
:
6515 case MPI2_RAID_PD_STATE_REBUILDING
:
6516 case MPI2_RAID_PD_STATE_OPTIMAL
:
6517 case MPI2_RAID_PD_STATE_HOT_SPARE
:
6519 if (!ioc
->is_warpdrive
)
6520 set_bit(handle
, ioc
->pd_handles
);
6522 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6523 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
6524 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6529 if ((mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6530 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
6532 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6533 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6537 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6538 MPI2_IOCSTATUS_MASK
;
6539 if (ioc_status
!= MPI2_IOCSTATUS_SUCCESS
) {
6540 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
6541 ioc
->name
, __FILE__
, __LINE__
, __func__
);
6545 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
6546 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
))
6547 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
6548 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
6550 _scsih_add_device(ioc
, handle
, 0, 1);
6554 case MPI2_RAID_PD_STATE_OFFLINE
:
6555 case MPI2_RAID_PD_STATE_NOT_CONFIGURED
:
6556 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE
:
6562 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6564 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6565 * @ioc: per adapter object
6566 * @event_data: event data payload
6572 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER
*ioc
,
6573 Mpi2EventDataIrOperationStatus_t
*event_data
)
6575 char *reason_str
= NULL
;
6577 switch (event_data
->RAIDOperation
) {
6578 case MPI2_EVENT_IR_RAIDOP_RESYNC
:
6579 reason_str
= "resync";
6581 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION
:
6582 reason_str
= "online capacity expansion";
6584 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK
:
6585 reason_str
= "consistency check";
6587 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT
:
6588 reason_str
= "background init";
6590 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT
:
6591 reason_str
= "make data consistent";
6598 printk(MPT2SAS_INFO_FMT
"raid operational status: (%s)"
6599 "\thandle(0x%04x), percent complete(%d)\n",
6600 ioc
->name
, reason_str
,
6601 le16_to_cpu(event_data
->VolDevHandle
),
6602 event_data
->PercentComplete
);
6607 * _scsih_sas_ir_operation_status_event - handle RAID operation events
6608 * @ioc: per adapter object
6609 * @fw_event: The fw_event_work object
6615 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER
*ioc
,
6616 struct fw_event_work
*fw_event
)
6618 Mpi2EventDataIrOperationStatus_t
*event_data
= fw_event
->event_data
;
6619 static struct _raid_device
*raid_device
;
6620 unsigned long flags
;
6623 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
6624 if ((ioc
->logging_level
& MPT_DEBUG_EVENT_WORK_TASK
)
6625 && !ioc
->hide_ir_msg
)
6626 _scsih_sas_ir_operation_status_event_debug(ioc
,
6630 /* code added for raid transport support */
6631 if (event_data
->RAIDOperation
== MPI2_EVENT_IR_RAIDOP_RESYNC
) {
6633 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6634 handle
= le16_to_cpu(event_data
->VolDevHandle
);
6635 raid_device
= _scsih_raid_device_find_by_handle(ioc
, handle
);
6637 raid_device
->percent_complete
=
6638 event_data
->PercentComplete
;
6639 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6644 * _scsih_prep_device_scan - initialize parameters prior to device scan
6645 * @ioc: per adapter object
6647 * Set the deleted flag prior to device scan. If the device is found during
6648 * the scan, then we clear the deleted flag.
6651 _scsih_prep_device_scan(struct MPT2SAS_ADAPTER
*ioc
)
6653 struct MPT2SAS_DEVICE
*sas_device_priv_data
;
6654 struct scsi_device
*sdev
;
6656 shost_for_each_device(sdev
, ioc
->shost
) {
6657 sas_device_priv_data
= sdev
->hostdata
;
6658 if (sas_device_priv_data
&& sas_device_priv_data
->sas_target
)
6659 sas_device_priv_data
->sas_target
->deleted
= 1;
6664 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
6665 * @ioc: per adapter object
6666 * @sas_address: sas address
6667 * @slot: enclosure slot id
6668 * @handle: device handle
6670 * After host reset, find out whether devices are still responding.
6671 * Used in _scsi_remove_unresponsive_sas_devices.
6676 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
6677 u16 slot
, u16 handle
)
6679 struct MPT2SAS_TARGET
*sas_target_priv_data
= NULL
;
6680 struct scsi_target
*starget
;
6681 struct _sas_device
*sas_device
;
6682 unsigned long flags
;
6684 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
6685 list_for_each_entry(sas_device
, &ioc
->sas_device_list
, list
) {
6686 if (sas_device
->sas_address
== sas_address
&&
6687 sas_device
->slot
== slot
) {
6688 sas_device
->responding
= 1;
6689 starget
= sas_device
->starget
;
6690 if (starget
&& starget
->hostdata
) {
6691 sas_target_priv_data
= starget
->hostdata
;
6692 sas_target_priv_data
->tm_busy
= 0;
6693 sas_target_priv_data
->deleted
= 0;
6695 sas_target_priv_data
= NULL
;
6697 starget_printk(KERN_INFO
, starget
,
6698 "handle(0x%04x), sas_addr(0x%016llx), "
6699 "enclosure logical id(0x%016llx), "
6700 "slot(%d)\n", handle
,
6701 (unsigned long long)sas_device
->sas_address
,
6702 (unsigned long long)
6703 sas_device
->enclosure_logical_id
,
6705 if (sas_device
->handle
== handle
)
6707 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
6708 sas_device
->handle
);
6709 sas_device
->handle
= handle
;
6710 if (sas_target_priv_data
)
6711 sas_target_priv_data
->handle
= handle
;
6716 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
6720 * _scsih_search_responding_sas_devices -
6721 * @ioc: per adapter object
6723 * After host reset, find out whether devices are still responding.
6729 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
6731 Mpi2SasDevicePage0_t sas_device_pg0
;
6732 Mpi2ConfigReply_t mpi_reply
;
6739 printk(MPT2SAS_INFO_FMT
"search for end-devices: start\n", ioc
->name
);
6741 if (list_empty(&ioc
->sas_device_list
))
6745 while (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
6746 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
6748 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6749 MPI2_IOCSTATUS_MASK
;
6750 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6752 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
6753 device_info
= le32_to_cpu(sas_device_pg0
.DeviceInfo
);
6754 if (!(_scsih_is_end_device(device_info
)))
6756 sas_address
= le64_to_cpu(sas_device_pg0
.SASAddress
);
6757 slot
= le16_to_cpu(sas_device_pg0
.Slot
);
6758 _scsih_mark_responding_sas_device(ioc
, sas_address
, slot
,
6762 printk(MPT2SAS_INFO_FMT
"search for end-devices: complete\n",
6767 * _scsih_mark_responding_raid_device - mark a raid_device as responding
6768 * @ioc: per adapter object
6769 * @wwid: world wide identifier for raid volume
6770 * @handle: device handle
6772 * After host reset, find out whether devices are still responding.
6773 * Used in _scsi_remove_unresponsive_raid_devices.
6778 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER
*ioc
, u64 wwid
,
6781 struct MPT2SAS_TARGET
*sas_target_priv_data
;
6782 struct scsi_target
*starget
;
6783 struct _raid_device
*raid_device
;
6784 unsigned long flags
;
6786 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6787 list_for_each_entry(raid_device
, &ioc
->raid_device_list
, list
) {
6788 if (raid_device
->wwid
== wwid
&& raid_device
->starget
) {
6789 starget
= raid_device
->starget
;
6790 if (starget
&& starget
->hostdata
) {
6791 sas_target_priv_data
= starget
->hostdata
;
6792 sas_target_priv_data
->deleted
= 0;
6794 sas_target_priv_data
= NULL
;
6795 raid_device
->responding
= 1;
6796 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6797 starget_printk(KERN_INFO
, raid_device
->starget
,
6798 "handle(0x%04x), wwid(0x%016llx)\n", handle
,
6799 (unsigned long long)raid_device
->wwid
);
6801 * WARPDRIVE: The handles of the PDs might have changed
6802 * across the host reset so re-initialize the
6803 * required data for Direct IO
6805 _scsih_init_warpdrive_properties(ioc
, raid_device
);
6806 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
6807 if (raid_device
->handle
== handle
) {
6808 spin_unlock_irqrestore(&ioc
->raid_device_lock
,
6812 printk(KERN_INFO
"\thandle changed from(0x%04x)!!!\n",
6813 raid_device
->handle
);
6814 raid_device
->handle
= handle
;
6815 if (sas_target_priv_data
)
6816 sas_target_priv_data
->handle
= handle
;
6817 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6822 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
6826 * _scsih_search_responding_raid_devices -
6827 * @ioc: per adapter object
6829 * After host reset, find out whether devices are still responding.
6835 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER
*ioc
)
6837 Mpi2RaidVolPage1_t volume_pg1
;
6838 Mpi2RaidVolPage0_t volume_pg0
;
6839 Mpi2RaidPhysDiskPage0_t pd_pg0
;
6840 Mpi2ConfigReply_t mpi_reply
;
6845 if (!ioc
->ir_firmware
)
6848 printk(MPT2SAS_INFO_FMT
"search for raid volumes: start\n",
6851 if (list_empty(&ioc
->raid_device_list
))
6855 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
6856 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
6857 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6858 MPI2_IOCSTATUS_MASK
;
6859 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6861 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
6863 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
6864 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
6865 sizeof(Mpi2RaidVolPage0_t
)))
6868 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
6869 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
6870 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
)
6871 _scsih_mark_responding_raid_device(ioc
,
6872 le64_to_cpu(volume_pg1
.WWID
), handle
);
6875 /* refresh the pd_handles */
6876 if (!ioc
->is_warpdrive
) {
6877 phys_disk_num
= 0xFF;
6878 memset(ioc
->pd_handles
, 0, ioc
->pd_handles_sz
);
6879 while (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
6880 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
6882 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6883 MPI2_IOCSTATUS_MASK
;
6884 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6886 phys_disk_num
= pd_pg0
.PhysDiskNum
;
6887 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
6888 set_bit(handle
, ioc
->pd_handles
);
6892 printk(MPT2SAS_INFO_FMT
"search for responding raid volumes: "
6893 "complete\n", ioc
->name
);
6897 * _scsih_mark_responding_expander - mark a expander as responding
6898 * @ioc: per adapter object
6899 * @sas_address: sas address
6902 * After host reset, find out whether devices are still responding.
6903 * Used in _scsi_remove_unresponsive_expanders.
6908 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER
*ioc
, u64 sas_address
,
6911 struct _sas_node
*sas_expander
;
6912 unsigned long flags
;
6915 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
6916 list_for_each_entry(sas_expander
, &ioc
->sas_expander_list
, list
) {
6917 if (sas_expander
->sas_address
!= sas_address
)
6919 sas_expander
->responding
= 1;
6920 if (sas_expander
->handle
== handle
)
6922 printk(KERN_INFO
"\texpander(0x%016llx): handle changed"
6923 " from(0x%04x) to (0x%04x)!!!\n",
6924 (unsigned long long)sas_expander
->sas_address
,
6925 sas_expander
->handle
, handle
);
6926 sas_expander
->handle
= handle
;
6927 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++)
6928 sas_expander
->phy
[i
].handle
= handle
;
6932 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
6936 * _scsih_search_responding_expanders -
6937 * @ioc: per adapter object
6939 * After host reset, find out whether devices are still responding.
6945 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER
*ioc
)
6947 Mpi2ExpanderPage0_t expander_pg0
;
6948 Mpi2ConfigReply_t mpi_reply
;
6953 printk(MPT2SAS_INFO_FMT
"search for expanders: start\n", ioc
->name
);
6955 if (list_empty(&ioc
->sas_expander_list
))
6959 while (!(mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
6960 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
6962 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
6963 MPI2_IOCSTATUS_MASK
;
6964 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
6967 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
6968 sas_address
= le64_to_cpu(expander_pg0
.SASAddress
);
6969 printk(KERN_INFO
"\texpander present: handle(0x%04x), "
6970 "sas_addr(0x%016llx)\n", handle
,
6971 (unsigned long long)sas_address
);
6972 _scsih_mark_responding_expander(ioc
, sas_address
, handle
);
6976 printk(MPT2SAS_INFO_FMT
"search for expanders: complete\n", ioc
->name
);
6980 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
6981 * @ioc: per adapter object
6986 _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER
*ioc
)
6988 struct _sas_device
*sas_device
, *sas_device_next
;
6989 struct _sas_node
*sas_expander
, *sas_expander_next
;
6990 struct _raid_device
*raid_device
, *raid_device_next
;
6991 struct list_head tmp_list
;
6992 unsigned long flags
;
6994 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: start\n",
6997 /* removing unresponding end devices */
6998 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: end-devices\n",
7000 list_for_each_entry_safe(sas_device
, sas_device_next
,
7001 &ioc
->sas_device_list
, list
) {
7002 if (!sas_device
->responding
)
7003 mpt2sas_device_remove_by_sas_address(ioc
,
7004 sas_device
->sas_address
);
7006 sas_device
->responding
= 0;
7009 /* removing unresponding volumes */
7010 if (ioc
->ir_firmware
) {
7011 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: "
7012 "volumes\n", ioc
->name
);
7013 list_for_each_entry_safe(raid_device
, raid_device_next
,
7014 &ioc
->raid_device_list
, list
) {
7015 if (!raid_device
->responding
)
7016 _scsih_sas_volume_delete(ioc
,
7017 raid_device
->handle
);
7019 raid_device
->responding
= 0;
7022 /* removing unresponding expanders */
7023 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: expanders\n",
7025 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
7026 INIT_LIST_HEAD(&tmp_list
);
7027 list_for_each_entry_safe(sas_expander
, sas_expander_next
,
7028 &ioc
->sas_expander_list
, list
) {
7029 if (!sas_expander
->responding
)
7030 list_move_tail(&sas_expander
->list
, &tmp_list
);
7032 sas_expander
->responding
= 0;
7034 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
7035 list_for_each_entry_safe(sas_expander
, sas_expander_next
, &tmp_list
,
7037 list_del(&sas_expander
->list
);
7038 _scsih_expander_node_remove(ioc
, sas_expander
);
7040 printk(MPT2SAS_INFO_FMT
"removing unresponding devices: complete\n",
7042 /* unblock devices */
7043 _scsih_ublock_io_all_device(ioc
);
7047 _scsih_refresh_expander_links(struct MPT2SAS_ADAPTER
*ioc
,
7048 struct _sas_node
*sas_expander
, u16 handle
)
7050 Mpi2ExpanderPage1_t expander_pg1
;
7051 Mpi2ConfigReply_t mpi_reply
;
7054 for (i
= 0 ; i
< sas_expander
->num_phys
; i
++) {
7055 if ((mpt2sas_config_get_expander_pg1(ioc
, &mpi_reply
,
7056 &expander_pg1
, i
, handle
))) {
7057 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
7058 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7062 mpt2sas_transport_update_links(ioc
, sas_expander
->sas_address
,
7063 le16_to_cpu(expander_pg1
.AttachedDevHandle
), i
,
7064 expander_pg1
.NegotiatedLinkRate
>> 4);
7069 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7070 * @ioc: per adapter object
7075 _scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER
*ioc
)
7077 Mpi2ExpanderPage0_t expander_pg0
;
7078 Mpi2SasDevicePage0_t sas_device_pg0
;
7079 Mpi2RaidVolPage1_t volume_pg1
;
7080 Mpi2RaidVolPage0_t volume_pg0
;
7081 Mpi2RaidPhysDiskPage0_t pd_pg0
;
7082 Mpi2EventIrConfigElement_t element
;
7083 Mpi2ConfigReply_t mpi_reply
;
7086 u16 handle
, parent_handle
;
7088 struct _sas_device
*sas_device
;
7089 struct _sas_node
*expander_device
;
7090 static struct _raid_device
*raid_device
;
7091 unsigned long flags
;
7093 printk(MPT2SAS_INFO_FMT
"scan devices: start\n", ioc
->name
);
7095 _scsih_sas_host_refresh(ioc
);
7099 while (!(mpt2sas_config_get_expander_pg0(ioc
, &mpi_reply
, &expander_pg0
,
7100 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL
, handle
))) {
7101 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7102 MPI2_IOCSTATUS_MASK
;
7103 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
7105 handle
= le16_to_cpu(expander_pg0
.DevHandle
);
7106 spin_lock_irqsave(&ioc
->sas_node_lock
, flags
);
7107 expander_device
= mpt2sas_scsih_expander_find_by_sas_address(
7108 ioc
, le64_to_cpu(expander_pg0
.SASAddress
));
7109 spin_unlock_irqrestore(&ioc
->sas_node_lock
, flags
);
7110 if (expander_device
)
7111 _scsih_refresh_expander_links(ioc
, expander_device
,
7114 _scsih_expander_add(ioc
, handle
);
7117 if (!ioc
->ir_firmware
)
7121 phys_disk_num
= 0xFF;
7122 while (!(mpt2sas_config_get_phys_disk_pg0(ioc
, &mpi_reply
,
7123 &pd_pg0
, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM
,
7125 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7126 MPI2_IOCSTATUS_MASK
;
7127 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
7129 phys_disk_num
= pd_pg0
.PhysDiskNum
;
7130 handle
= le16_to_cpu(pd_pg0
.DevHandle
);
7131 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7132 sas_device
= _scsih_sas_device_find_by_handle(ioc
, handle
);
7133 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7136 if (mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
7137 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE
,
7140 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
7141 if (!_scsih_get_sas_address(ioc
, parent_handle
,
7143 mpt2sas_transport_update_links(ioc
, sas_address
,
7144 handle
, sas_device_pg0
.PhyNum
,
7145 MPI2_SAS_NEG_LINK_RATE_1_5
);
7146 set_bit(handle
, ioc
->pd_handles
);
7147 _scsih_add_device(ioc
, handle
, 0, 1);
7153 while (!(mpt2sas_config_get_raid_volume_pg1(ioc
, &mpi_reply
,
7154 &volume_pg1
, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE
, handle
))) {
7155 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7156 MPI2_IOCSTATUS_MASK
;
7157 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
7159 handle
= le16_to_cpu(volume_pg1
.DevHandle
);
7160 spin_lock_irqsave(&ioc
->raid_device_lock
, flags
);
7161 raid_device
= _scsih_raid_device_find_by_wwid(ioc
,
7162 le64_to_cpu(volume_pg1
.WWID
));
7163 spin_unlock_irqrestore(&ioc
->raid_device_lock
, flags
);
7166 if (mpt2sas_config_get_raid_volume_pg0(ioc
, &mpi_reply
,
7167 &volume_pg0
, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE
, handle
,
7168 sizeof(Mpi2RaidVolPage0_t
)))
7170 if (volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_OPTIMAL
||
7171 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_ONLINE
||
7172 volume_pg0
.VolumeState
== MPI2_RAID_VOL_STATE_DEGRADED
) {
7173 memset(&element
, 0, sizeof(Mpi2EventIrConfigElement_t
));
7174 element
.ReasonCode
= MPI2_EVENT_IR_CHANGE_RC_ADDED
;
7175 element
.VolDevHandle
= volume_pg1
.DevHandle
;
7176 _scsih_sas_volume_add(ioc
, &element
);
7184 while (!(mpt2sas_config_get_sas_device_pg0(ioc
, &mpi_reply
,
7185 &sas_device_pg0
, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE
,
7187 ioc_status
= le16_to_cpu(mpi_reply
.IOCStatus
) &
7188 MPI2_IOCSTATUS_MASK
;
7189 if (ioc_status
== MPI2_IOCSTATUS_CONFIG_INVALID_PAGE
)
7191 handle
= le16_to_cpu(sas_device_pg0
.DevHandle
);
7192 if (!(_scsih_is_end_device(
7193 le32_to_cpu(sas_device_pg0
.DeviceInfo
))))
7195 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7196 sas_device
= mpt2sas_scsih_sas_device_find_by_sas_address(ioc
,
7197 le64_to_cpu(sas_device_pg0
.SASAddress
));
7198 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7201 parent_handle
= le16_to_cpu(sas_device_pg0
.ParentDevHandle
);
7202 if (!_scsih_get_sas_address(ioc
, parent_handle
, &sas_address
)) {
7203 mpt2sas_transport_update_links(ioc
, sas_address
, handle
,
7204 sas_device_pg0
.PhyNum
, MPI2_SAS_NEG_LINK_RATE_1_5
);
7205 _scsih_add_device(ioc
, handle
, 0, 0);
7209 printk(MPT2SAS_INFO_FMT
"scan devices: complete\n", ioc
->name
);
7214 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
7215 * @ioc: per adapter object
7216 * @reset_phase: phase
7218 * The handler for doing any required cleanup or initialization.
7220 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
7221 * MPT2_IOC_DONE_RESET
7226 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER
*ioc
, int reset_phase
)
7228 switch (reset_phase
) {
7229 case MPT2_IOC_PRE_RESET
:
7230 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7231 "MPT2_IOC_PRE_RESET\n", ioc
->name
, __func__
));
7233 case MPT2_IOC_AFTER_RESET
:
7234 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7235 "MPT2_IOC_AFTER_RESET\n", ioc
->name
, __func__
));
7236 if (ioc
->scsih_cmds
.status
& MPT2_CMD_PENDING
) {
7237 ioc
->scsih_cmds
.status
|= MPT2_CMD_RESET
;
7238 mpt2sas_base_free_smid(ioc
, ioc
->scsih_cmds
.smid
);
7239 complete(&ioc
->scsih_cmds
.done
);
7241 if (ioc
->tm_cmds
.status
& MPT2_CMD_PENDING
) {
7242 ioc
->tm_cmds
.status
|= MPT2_CMD_RESET
;
7243 mpt2sas_base_free_smid(ioc
, ioc
->tm_cmds
.smid
);
7244 complete(&ioc
->tm_cmds
.done
);
7246 _scsih_fw_event_cleanup_queue(ioc
);
7247 _scsih_flush_running_cmds(ioc
);
7249 case MPT2_IOC_DONE_RESET
:
7250 dtmprintk(ioc
, printk(MPT2SAS_INFO_FMT
"%s: "
7251 "MPT2_IOC_DONE_RESET\n", ioc
->name
, __func__
));
7252 _scsih_sas_host_refresh(ioc
);
7253 _scsih_prep_device_scan(ioc
);
7254 _scsih_search_responding_sas_devices(ioc
);
7255 _scsih_search_responding_raid_devices(ioc
);
7256 _scsih_search_responding_expanders(ioc
);
7257 if (!ioc
->is_driver_loading
) {
7258 _scsih_prep_device_scan(ioc
);
7259 _scsih_search_responding_sas_devices(ioc
);
7260 _scsih_search_responding_raid_devices(ioc
);
7261 _scsih_search_responding_expanders(ioc
);
7262 _scsih_error_recovery_delete_devices(ioc
);
7269 * _firmware_event_work - delayed task for processing firmware events
7270 * @ioc: per adapter object
7271 * @work: equal to the fw_event_work object
7277 _firmware_event_work(struct work_struct
*work
)
7279 struct fw_event_work
*fw_event
= container_of(work
,
7280 struct fw_event_work
, delayed_work
.work
);
7281 struct MPT2SAS_ADAPTER
*ioc
= fw_event
->ioc
;
7283 /* the queue is being flushed so ignore this event */
7284 if (ioc
->remove_host
|| fw_event
->cancel_pending_work
||
7285 ioc
->pci_error_recovery
) {
7286 _scsih_fw_event_free(ioc
, fw_event
);
7290 switch (fw_event
->event
) {
7291 case MPT2SAS_REMOVE_UNRESPONDING_DEVICES
:
7292 while (scsi_host_in_recovery(ioc
->shost
) || ioc
->shost_recovery
)
7294 _scsih_remove_unresponding_sas_devices(ioc
);
7295 _scsih_scan_for_devices_after_reset(ioc
);
7297 case MPT2SAS_PORT_ENABLE_COMPLETE
:
7298 ioc
->start_scan
= 0;
7302 dewtprintk(ioc
, printk(MPT2SAS_INFO_FMT
"port enable: complete "
7303 "from worker thread\n", ioc
->name
));
7305 case MPT2SAS_TURN_ON_FAULT_LED
:
7306 _scsih_turn_on_fault_led(ioc
, fw_event
->device_handle
);
7308 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7309 _scsih_sas_topology_change_event(ioc
, fw_event
);
7311 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7312 _scsih_sas_device_status_change_event(ioc
,
7315 case MPI2_EVENT_SAS_DISCOVERY
:
7316 _scsih_sas_discovery_event(ioc
,
7319 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7320 _scsih_sas_broadcast_primitive_event(ioc
,
7323 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7324 _scsih_sas_enclosure_dev_status_change_event(ioc
,
7327 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7328 _scsih_sas_ir_config_change_event(ioc
, fw_event
);
7330 case MPI2_EVENT_IR_VOLUME
:
7331 _scsih_sas_ir_volume_event(ioc
, fw_event
);
7333 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7334 _scsih_sas_ir_physical_disk_event(ioc
, fw_event
);
7336 case MPI2_EVENT_IR_OPERATION_STATUS
:
7337 _scsih_sas_ir_operation_status_event(ioc
, fw_event
);
7340 _scsih_fw_event_free(ioc
, fw_event
);
7344 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
7345 * @ioc: per adapter object
7346 * @msix_index: MSIX table index supplied by the OS
7347 * @reply: reply message frame(lower 32bit addr)
7348 * Context: interrupt.
7350 * This function merely adds a new work task into ioc->firmware_event_thread.
7351 * The tasks are worked from _firmware_event_work in user context.
7353 * Return 1 meaning mf should be freed from _base_interrupt
7354 * 0 means the mf is freed from this function.
7357 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER
*ioc
, u8 msix_index
,
7360 struct fw_event_work
*fw_event
;
7361 Mpi2EventNotificationReply_t
*mpi_reply
;
7365 /* events turned off due to host reset or driver unloading */
7366 if (ioc
->remove_host
|| ioc
->pci_error_recovery
)
7369 mpi_reply
= mpt2sas_base_get_reply_virt_addr(ioc
, reply
);
7371 if (unlikely(!mpi_reply
)) {
7372 printk(MPT2SAS_ERR_FMT
"mpi_reply not valid at %s:%d/%s()!\n",
7373 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7377 event
= le16_to_cpu(mpi_reply
->Event
);
7381 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE
:
7383 Mpi2EventDataSasBroadcastPrimitive_t
*baen_data
=
7384 (Mpi2EventDataSasBroadcastPrimitive_t
*)
7385 mpi_reply
->EventData
;
7387 if (baen_data
->Primitive
!=
7388 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT
)
7391 if (ioc
->broadcast_aen_busy
) {
7392 ioc
->broadcast_aen_pending
++;
7395 ioc
->broadcast_aen_busy
= 1;
7399 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST
:
7400 _scsih_check_topo_delete_events(ioc
,
7401 (Mpi2EventDataSasTopologyChangeList_t
*)
7402 mpi_reply
->EventData
);
7404 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST
:
7405 _scsih_check_ir_config_unhide_events(ioc
,
7406 (Mpi2EventDataIrConfigChangeList_t
*)
7407 mpi_reply
->EventData
);
7409 case MPI2_EVENT_IR_VOLUME
:
7410 _scsih_check_volume_delete_events(ioc
,
7411 (Mpi2EventDataIrVolume_t
*)
7412 mpi_reply
->EventData
);
7414 case MPI2_EVENT_LOG_ENTRY_ADDED
:
7416 Mpi2EventDataLogEntryAdded_t
*log_entry
;
7419 if (!ioc
->is_warpdrive
)
7422 log_entry
= (Mpi2EventDataLogEntryAdded_t
*)
7423 mpi_reply
->EventData
;
7424 log_code
= (__le32
*)log_entry
->LogData
;
7426 if (le16_to_cpu(log_entry
->LogEntryQualifier
)
7427 != MPT2_WARPDRIVE_LOGENTRY
)
7430 switch (le32_to_cpu(*log_code
)) {
7431 case MPT2_WARPDRIVE_LC_SSDT
:
7432 printk(MPT2SAS_WARN_FMT
"WarpDrive Warning: "
7433 "IO Throttling has occurred in the WarpDrive "
7434 "subsystem. Check WarpDrive documentation for "
7435 "additional details.\n", ioc
->name
);
7437 case MPT2_WARPDRIVE_LC_SSDLW
:
7438 printk(MPT2SAS_WARN_FMT
"WarpDrive Warning: "
7439 "Program/Erase Cycles for the WarpDrive subsystem "
7440 "in degraded range. Check WarpDrive documentation "
7441 "for additional details.\n", ioc
->name
);
7443 case MPT2_WARPDRIVE_LC_SSDLF
:
7444 printk(MPT2SAS_ERR_FMT
"WarpDrive Fatal Error: "
7445 "There are no Program/Erase Cycles for the "
7446 "WarpDrive subsystem. The storage device will be "
7447 "in read-only mode. Check WarpDrive documentation "
7448 "for additional details.\n", ioc
->name
);
7450 case MPT2_WARPDRIVE_LC_BRMF
:
7451 printk(MPT2SAS_ERR_FMT
"WarpDrive Fatal Error: "
7452 "The Backup Rail Monitor has failed on the "
7453 "WarpDrive subsystem. Check WarpDrive "
7454 "documentation for additional details.\n",
7461 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE
:
7462 case MPI2_EVENT_IR_OPERATION_STATUS
:
7463 case MPI2_EVENT_SAS_DISCOVERY
:
7464 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE
:
7465 case MPI2_EVENT_IR_PHYSICAL_DISK
:
7468 default: /* ignore the rest */
7472 fw_event
= kzalloc(sizeof(struct fw_event_work
), GFP_ATOMIC
);
7474 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
7475 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7478 sz
= le16_to_cpu(mpi_reply
->EventDataLength
) * 4;
7479 fw_event
->event_data
= kzalloc(sz
, GFP_ATOMIC
);
7480 if (!fw_event
->event_data
) {
7481 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
7482 ioc
->name
, __FILE__
, __LINE__
, __func__
);
7487 memcpy(fw_event
->event_data
, mpi_reply
->EventData
,
7489 fw_event
->ioc
= ioc
;
7490 fw_event
->VF_ID
= mpi_reply
->VF_ID
;
7491 fw_event
->VP_ID
= mpi_reply
->VP_ID
;
7492 fw_event
->event
= event
;
7493 _scsih_fw_event_add(ioc
, fw_event
);
7497 /* shost template */
7498 static struct scsi_host_template scsih_driver_template
= {
7499 .module
= THIS_MODULE
,
7500 .name
= "Fusion MPT SAS Host",
7501 .proc_name
= MPT2SAS_DRIVER_NAME
,
7502 .queuecommand
= _scsih_qcmd
,
7503 .target_alloc
= _scsih_target_alloc
,
7504 .slave_alloc
= _scsih_slave_alloc
,
7505 .slave_configure
= _scsih_slave_configure
,
7506 .target_destroy
= _scsih_target_destroy
,
7507 .slave_destroy
= _scsih_slave_destroy
,
7508 .scan_finished
= _scsih_scan_finished
,
7509 .scan_start
= _scsih_scan_start
,
7510 .change_queue_depth
= _scsih_change_queue_depth
,
7511 .change_queue_type
= _scsih_change_queue_type
,
7512 .eh_abort_handler
= _scsih_abort
,
7513 .eh_device_reset_handler
= _scsih_dev_reset
,
7514 .eh_target_reset_handler
= _scsih_target_reset
,
7515 .eh_host_reset_handler
= _scsih_host_reset
,
7516 .bios_param
= _scsih_bios_param
,
7519 .sg_tablesize
= MPT2SAS_SG_DEPTH
,
7520 .max_sectors
= 32767,
7522 .use_clustering
= ENABLE_CLUSTERING
,
7523 .shost_attrs
= mpt2sas_host_attrs
,
7524 .sdev_attrs
= mpt2sas_dev_attrs
,
7528 * _scsih_expander_node_remove - removing expander device from list.
7529 * @ioc: per adapter object
7530 * @sas_expander: the sas_device object
7531 * Context: Calling function should acquire ioc->sas_node_lock.
7533 * Removing object and freeing associated memory from the
7534 * ioc->sas_expander_list.
7539 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER
*ioc
,
7540 struct _sas_node
*sas_expander
)
7542 struct _sas_port
*mpt2sas_port
, *next
;
7544 /* remove sibling ports attached to this expander */
7545 list_for_each_entry_safe(mpt2sas_port
, next
,
7546 &sas_expander
->sas_port_list
, port_list
) {
7547 if (ioc
->shost_recovery
)
7549 if (mpt2sas_port
->remote_identify
.device_type
==
7551 mpt2sas_device_remove_by_sas_address(ioc
,
7552 mpt2sas_port
->remote_identify
.sas_address
);
7553 else if (mpt2sas_port
->remote_identify
.device_type
==
7554 SAS_EDGE_EXPANDER_DEVICE
||
7555 mpt2sas_port
->remote_identify
.device_type
==
7556 SAS_FANOUT_EXPANDER_DEVICE
)
7557 mpt2sas_expander_remove(ioc
,
7558 mpt2sas_port
->remote_identify
.sas_address
);
7561 mpt2sas_transport_port_remove(ioc
, sas_expander
->sas_address
,
7562 sas_expander
->sas_address_parent
);
7564 printk(MPT2SAS_INFO_FMT
"expander_remove: handle"
7565 "(0x%04x), sas_addr(0x%016llx)\n", ioc
->name
,
7566 sas_expander
->handle
, (unsigned long long)
7567 sas_expander
->sas_address
);
7569 kfree(sas_expander
->phy
);
7570 kfree(sas_expander
);
7574 * _scsih_ir_shutdown - IR shutdown notification
7575 * @ioc: per adapter object
7577 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
7578 * the host system is shutting down.
7583 _scsih_ir_shutdown(struct MPT2SAS_ADAPTER
*ioc
)
7585 Mpi2RaidActionRequest_t
*mpi_request
;
7586 Mpi2RaidActionReply_t
*mpi_reply
;
7589 /* is IR firmware build loaded ? */
7590 if (!ioc
->ir_firmware
)
7593 /* are there any volumes ? */
7594 if (list_empty(&ioc
->raid_device_list
))
7597 mutex_lock(&ioc
->scsih_cmds
.mutex
);
7599 if (ioc
->scsih_cmds
.status
!= MPT2_CMD_NOT_USED
) {
7600 printk(MPT2SAS_ERR_FMT
"%s: scsih_cmd in use\n",
7601 ioc
->name
, __func__
);
7604 ioc
->scsih_cmds
.status
= MPT2_CMD_PENDING
;
7606 smid
= mpt2sas_base_get_smid(ioc
, ioc
->scsih_cb_idx
);
7608 printk(MPT2SAS_ERR_FMT
"%s: failed obtaining a smid\n",
7609 ioc
->name
, __func__
);
7610 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
7614 mpi_request
= mpt2sas_base_get_msg_frame(ioc
, smid
);
7615 ioc
->scsih_cmds
.smid
= smid
;
7616 memset(mpi_request
, 0, sizeof(Mpi2RaidActionRequest_t
));
7618 mpi_request
->Function
= MPI2_FUNCTION_RAID_ACTION
;
7619 mpi_request
->Action
= MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED
;
7621 if (!ioc
->hide_ir_msg
)
7622 printk(MPT2SAS_INFO_FMT
"IR shutdown (sending)\n", ioc
->name
);
7623 init_completion(&ioc
->scsih_cmds
.done
);
7624 mpt2sas_base_put_smid_default(ioc
, smid
);
7625 wait_for_completion_timeout(&ioc
->scsih_cmds
.done
, 10*HZ
);
7627 if (!(ioc
->scsih_cmds
.status
& MPT2_CMD_COMPLETE
)) {
7628 printk(MPT2SAS_ERR_FMT
"%s: timeout\n",
7629 ioc
->name
, __func__
);
7633 if (ioc
->scsih_cmds
.status
& MPT2_CMD_REPLY_VALID
) {
7634 mpi_reply
= ioc
->scsih_cmds
.reply
;
7636 if (!ioc
->hide_ir_msg
)
7637 printk(MPT2SAS_INFO_FMT
"IR shutdown (complete): "
7638 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7639 ioc
->name
, le16_to_cpu(mpi_reply
->IOCStatus
),
7640 le32_to_cpu(mpi_reply
->IOCLogInfo
));
7644 ioc
->scsih_cmds
.status
= MPT2_CMD_NOT_USED
;
7645 mutex_unlock(&ioc
->scsih_cmds
.mutex
);
7649 * _scsih_shutdown - routine call during system shutdown
7650 * @pdev: PCI device struct
7655 _scsih_shutdown(struct pci_dev
*pdev
)
7657 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7658 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7659 struct workqueue_struct
*wq
;
7660 unsigned long flags
;
7662 ioc
->remove_host
= 1;
7663 _scsih_fw_event_cleanup_queue(ioc
);
7665 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
7666 wq
= ioc
->firmware_event_thread
;
7667 ioc
->firmware_event_thread
= NULL
;
7668 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
7670 destroy_workqueue(wq
);
7672 _scsih_ir_shutdown(ioc
);
7673 mpt2sas_base_detach(ioc
);
7677 * _scsih_remove - detach and remove add host
7678 * @pdev: PCI device struct
7680 * Routine called when unloading the driver.
7683 static void __devexit
7684 _scsih_remove(struct pci_dev
*pdev
)
7686 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
7687 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7688 struct _sas_port
*mpt2sas_port
, *next_port
;
7689 struct _raid_device
*raid_device
, *next
;
7690 struct MPT2SAS_TARGET
*sas_target_priv_data
;
7691 struct workqueue_struct
*wq
;
7692 unsigned long flags
;
7694 ioc
->remove_host
= 1;
7695 _scsih_fw_event_cleanup_queue(ioc
);
7697 spin_lock_irqsave(&ioc
->fw_event_lock
, flags
);
7698 wq
= ioc
->firmware_event_thread
;
7699 ioc
->firmware_event_thread
= NULL
;
7700 spin_unlock_irqrestore(&ioc
->fw_event_lock
, flags
);
7702 destroy_workqueue(wq
);
7704 /* release all the volumes */
7705 _scsih_ir_shutdown(ioc
);
7706 list_for_each_entry_safe(raid_device
, next
, &ioc
->raid_device_list
,
7708 if (raid_device
->starget
) {
7709 sas_target_priv_data
=
7710 raid_device
->starget
->hostdata
;
7711 sas_target_priv_data
->deleted
= 1;
7712 scsi_remove_target(&raid_device
->starget
->dev
);
7714 printk(MPT2SAS_INFO_FMT
"removing handle(0x%04x), wwid"
7715 "(0x%016llx)\n", ioc
->name
, raid_device
->handle
,
7716 (unsigned long long) raid_device
->wwid
);
7717 _scsih_raid_device_remove(ioc
, raid_device
);
7720 /* free ports attached to the sas_host */
7721 list_for_each_entry_safe(mpt2sas_port
, next_port
,
7722 &ioc
->sas_hba
.sas_port_list
, port_list
) {
7723 if (mpt2sas_port
->remote_identify
.device_type
==
7725 mpt2sas_device_remove_by_sas_address(ioc
,
7726 mpt2sas_port
->remote_identify
.sas_address
);
7727 else if (mpt2sas_port
->remote_identify
.device_type
==
7728 SAS_EDGE_EXPANDER_DEVICE
||
7729 mpt2sas_port
->remote_identify
.device_type
==
7730 SAS_FANOUT_EXPANDER_DEVICE
)
7731 mpt2sas_expander_remove(ioc
,
7732 mpt2sas_port
->remote_identify
.sas_address
);
7735 /* free phys attached to the sas_host */
7736 if (ioc
->sas_hba
.num_phys
) {
7737 kfree(ioc
->sas_hba
.phy
);
7738 ioc
->sas_hba
.phy
= NULL
;
7739 ioc
->sas_hba
.num_phys
= 0;
7742 sas_remove_host(shost
);
7743 mpt2sas_base_detach(ioc
);
7744 list_del(&ioc
->list
);
7745 scsi_remove_host(shost
);
7746 scsi_host_put(shost
);
7750 * _scsih_probe_boot_devices - reports 1st device
7751 * @ioc: per adapter object
7753 * If specified in bios page 2, this routine reports the 1st
7754 * device scsi-ml or sas transport for persistent boot device
7755 * purposes. Please refer to function _scsih_determine_boot_device()
7758 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER
*ioc
)
7762 struct _sas_device
*sas_device
;
7763 struct _raid_device
*raid_device
;
7765 u64 sas_address_parent
;
7767 unsigned long flags
;
7770 /* no Bios, return immediately */
7771 if (!ioc
->bios_pg3
.BiosVersion
)
7776 if (ioc
->req_boot_device
.device
) {
7777 device
= ioc
->req_boot_device
.device
;
7778 is_raid
= ioc
->req_boot_device
.is_raid
;
7779 } else if (ioc
->req_alt_boot_device
.device
) {
7780 device
= ioc
->req_alt_boot_device
.device
;
7781 is_raid
= ioc
->req_alt_boot_device
.is_raid
;
7782 } else if (ioc
->current_boot_device
.device
) {
7783 device
= ioc
->current_boot_device
.device
;
7784 is_raid
= ioc
->current_boot_device
.is_raid
;
7791 raid_device
= device
;
7792 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
7793 raid_device
->id
, 0);
7795 _scsih_raid_device_remove(ioc
, raid_device
);
7797 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7798 sas_device
= device
;
7799 handle
= sas_device
->handle
;
7800 sas_address_parent
= sas_device
->sas_address_parent
;
7801 sas_address
= sas_device
->sas_address
;
7802 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
7803 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7805 if (ioc
->hide_drives
)
7807 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
7808 sas_device
->sas_address_parent
)) {
7809 _scsih_sas_device_remove(ioc
, sas_device
);
7810 } else if (!sas_device
->starget
) {
7811 if (!ioc
->is_driver_loading
)
7812 mpt2sas_transport_port_remove(ioc
, sas_address
,
7813 sas_address_parent
);
7814 _scsih_sas_device_remove(ioc
, sas_device
);
7820 * _scsih_probe_raid - reporting raid volumes to scsi-ml
7821 * @ioc: per adapter object
7823 * Called during initial loading of the driver.
7826 _scsih_probe_raid(struct MPT2SAS_ADAPTER
*ioc
)
7828 struct _raid_device
*raid_device
, *raid_next
;
7831 list_for_each_entry_safe(raid_device
, raid_next
,
7832 &ioc
->raid_device_list
, list
) {
7833 if (raid_device
->starget
)
7835 rc
= scsi_add_device(ioc
->shost
, RAID_CHANNEL
,
7836 raid_device
->id
, 0);
7838 _scsih_raid_device_remove(ioc
, raid_device
);
7843 * _scsih_probe_sas - reporting sas devices to sas transport
7844 * @ioc: per adapter object
7846 * Called during initial loading of the driver.
7849 _scsih_probe_sas(struct MPT2SAS_ADAPTER
*ioc
)
7851 struct _sas_device
*sas_device
, *next
;
7852 unsigned long flags
;
7854 /* SAS Device List */
7855 list_for_each_entry_safe(sas_device
, next
, &ioc
->sas_device_init_list
,
7858 if (ioc
->hide_drives
)
7861 if (!mpt2sas_transport_port_add(ioc
, sas_device
->handle
,
7862 sas_device
->sas_address_parent
)) {
7863 list_del(&sas_device
->list
);
7866 } else if (!sas_device
->starget
) {
7867 if (!ioc
->is_driver_loading
)
7868 mpt2sas_transport_port_remove(ioc
,
7869 sas_device
->sas_address
,
7870 sas_device
->sas_address_parent
);
7871 list_del(&sas_device
->list
);
7876 spin_lock_irqsave(&ioc
->sas_device_lock
, flags
);
7877 list_move_tail(&sas_device
->list
, &ioc
->sas_device_list
);
7878 spin_unlock_irqrestore(&ioc
->sas_device_lock
, flags
);
7883 * _scsih_probe_devices - probing for devices
7884 * @ioc: per adapter object
7886 * Called during initial loading of the driver.
7889 _scsih_probe_devices(struct MPT2SAS_ADAPTER
*ioc
)
7891 u16 volume_mapping_flags
;
7893 if (!(ioc
->facts
.ProtocolFlags
& MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR
))
7894 return; /* return when IOC doesn't support initiator mode */
7896 _scsih_probe_boot_devices(ioc
);
7898 if (ioc
->ir_firmware
) {
7899 volume_mapping_flags
=
7900 le16_to_cpu(ioc
->ioc_pg8
.IRVolumeMappingFlags
) &
7901 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE
;
7902 if (volume_mapping_flags
==
7903 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING
) {
7904 _scsih_probe_raid(ioc
);
7905 _scsih_probe_sas(ioc
);
7907 _scsih_probe_sas(ioc
);
7908 _scsih_probe_raid(ioc
);
7911 _scsih_probe_sas(ioc
);
7916 * _scsih_scan_start - scsi lld callback for .scan_start
7917 * @shost: SCSI host pointer
7919 * The shost has the ability to discover targets on its own instead
7920 * of scanning the entire bus. In our implemention, we will kick off
7921 * firmware discovery.
7924 _scsih_scan_start(struct Scsi_Host
*shost
)
7926 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7929 if (diag_buffer_enable
!= -1 && diag_buffer_enable
!= 0)
7930 mpt2sas_enable_diag_buffer(ioc
, diag_buffer_enable
);
7932 ioc
->start_scan
= 1;
7933 rc
= mpt2sas_port_enable(ioc
);
7936 printk(MPT2SAS_INFO_FMT
"port enable: FAILED\n", ioc
->name
);
7940 * _scsih_scan_finished - scsi lld callback for .scan_finished
7941 * @shost: SCSI host pointer
7942 * @time: elapsed time of the scan in jiffies
7944 * This function will be called periodically until it returns 1 with the
7945 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
7946 * we wait for firmware discovery to complete, then return 1.
7949 _scsih_scan_finished(struct Scsi_Host
*shost
, unsigned long time
)
7951 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
7953 if (time
>= (300 * HZ
)) {
7954 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
7955 printk(MPT2SAS_INFO_FMT
"port enable: FAILED with timeout "
7956 "(timeout=300s)\n", ioc
->name
);
7957 ioc
->is_driver_loading
= 0;
7961 if (ioc
->start_scan
)
7964 if (ioc
->start_scan_failed
) {
7965 printk(MPT2SAS_INFO_FMT
"port enable: FAILED with "
7966 "(ioc_status=0x%08x)\n", ioc
->name
, ioc
->start_scan_failed
);
7967 ioc
->is_driver_loading
= 0;
7968 ioc
->wait_for_discovery_to_complete
= 0;
7969 ioc
->remove_host
= 1;
7973 printk(MPT2SAS_INFO_FMT
"port enable: SUCCESS\n", ioc
->name
);
7974 ioc
->base_cmds
.status
= MPT2_CMD_NOT_USED
;
7976 if (ioc
->wait_for_discovery_to_complete
) {
7977 ioc
->wait_for_discovery_to_complete
= 0;
7978 _scsih_probe_devices(ioc
);
7980 mpt2sas_base_start_watchdog(ioc
);
7981 ioc
->is_driver_loading
= 0;
7987 * _scsih_probe - attach and add scsi host
7988 * @pdev: PCI device struct
7989 * @id: pci device id
7991 * Returns 0 success, anything else error.
7994 _scsih_probe(struct pci_dev
*pdev
, const struct pci_device_id
*id
)
7996 struct MPT2SAS_ADAPTER
*ioc
;
7997 struct Scsi_Host
*shost
;
7999 shost
= scsi_host_alloc(&scsih_driver_template
,
8000 sizeof(struct MPT2SAS_ADAPTER
));
8004 /* init local params */
8005 ioc
= shost_priv(shost
);
8006 memset(ioc
, 0, sizeof(struct MPT2SAS_ADAPTER
));
8007 INIT_LIST_HEAD(&ioc
->list
);
8008 list_add_tail(&ioc
->list
, &mpt2sas_ioc_list
);
8010 ioc
->id
= mpt_ids
++;
8011 sprintf(ioc
->name
, "%s%d", MPT2SAS_DRIVER_NAME
, ioc
->id
);
8013 if (id
->device
== MPI2_MFGPAGE_DEVID_SSS6200
) {
8014 ioc
->is_warpdrive
= 1;
8015 ioc
->hide_ir_msg
= 1;
8017 ioc
->mfg_pg10_hide_flag
= MFG_PAGE10_EXPOSE_ALL_DISKS
;
8018 ioc
->scsi_io_cb_idx
= scsi_io_cb_idx
;
8019 ioc
->tm_cb_idx
= tm_cb_idx
;
8020 ioc
->ctl_cb_idx
= ctl_cb_idx
;
8021 ioc
->base_cb_idx
= base_cb_idx
;
8022 ioc
->port_enable_cb_idx
= port_enable_cb_idx
;
8023 ioc
->transport_cb_idx
= transport_cb_idx
;
8024 ioc
->scsih_cb_idx
= scsih_cb_idx
;
8025 ioc
->config_cb_idx
= config_cb_idx
;
8026 ioc
->tm_tr_cb_idx
= tm_tr_cb_idx
;
8027 ioc
->tm_tr_volume_cb_idx
= tm_tr_volume_cb_idx
;
8028 ioc
->tm_sas_control_cb_idx
= tm_sas_control_cb_idx
;
8029 ioc
->logging_level
= logging_level
;
8030 ioc
->schedule_dead_ioc_flush_running_cmds
= &_scsih_flush_running_cmds
;
8031 /* misc semaphores and spin locks */
8032 mutex_init(&ioc
->reset_in_progress_mutex
);
8033 spin_lock_init(&ioc
->ioc_reset_in_progress_lock
);
8034 spin_lock_init(&ioc
->scsi_lookup_lock
);
8035 spin_lock_init(&ioc
->sas_device_lock
);
8036 spin_lock_init(&ioc
->sas_node_lock
);
8037 spin_lock_init(&ioc
->fw_event_lock
);
8038 spin_lock_init(&ioc
->raid_device_lock
);
8040 INIT_LIST_HEAD(&ioc
->sas_device_list
);
8041 INIT_LIST_HEAD(&ioc
->sas_device_init_list
);
8042 INIT_LIST_HEAD(&ioc
->sas_expander_list
);
8043 INIT_LIST_HEAD(&ioc
->fw_event_list
);
8044 INIT_LIST_HEAD(&ioc
->raid_device_list
);
8045 INIT_LIST_HEAD(&ioc
->sas_hba
.sas_port_list
);
8046 INIT_LIST_HEAD(&ioc
->delayed_tr_list
);
8047 INIT_LIST_HEAD(&ioc
->delayed_tr_volume_list
);
8049 /* init shost parameters */
8050 shost
->max_cmd_len
= 32;
8051 shost
->max_lun
= max_lun
;
8052 shost
->transportt
= mpt2sas_transport_template
;
8053 shost
->unique_id
= ioc
->id
;
8055 if (max_sectors
!= 0xFFFF) {
8056 if (max_sectors
< 64) {
8057 shost
->max_sectors
= 64;
8058 printk(MPT2SAS_WARN_FMT
"Invalid value %d passed "
8059 "for max_sectors, range is 64 to 8192. Assigning "
8060 "value of 64.\n", ioc
->name
, max_sectors
);
8061 } else if (max_sectors
> 32767) {
8062 shost
->max_sectors
= 32767;
8063 printk(MPT2SAS_WARN_FMT
"Invalid value %d passed "
8064 "for max_sectors, range is 64 to 8192. Assigning "
8065 "default value of 32767.\n", ioc
->name
,
8068 shost
->max_sectors
= max_sectors
& 0xFFFE;
8069 printk(MPT2SAS_INFO_FMT
"The max_sectors value is "
8070 "set to %d\n", ioc
->name
, shost
->max_sectors
);
8074 if ((scsi_add_host(shost
, &pdev
->dev
))) {
8075 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8076 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8077 list_del(&ioc
->list
);
8078 goto out_add_shost_fail
;
8081 scsi_host_set_prot(shost
, SHOST_DIF_TYPE1_PROTECTION
8082 | SHOST_DIF_TYPE2_PROTECTION
| SHOST_DIF_TYPE3_PROTECTION
);
8083 scsi_host_set_guard(shost
, SHOST_DIX_GUARD_CRC
);
8086 snprintf(ioc
->firmware_event_name
, sizeof(ioc
->firmware_event_name
),
8087 "fw_event%d", ioc
->id
);
8088 ioc
->firmware_event_thread
= create_singlethread_workqueue(
8089 ioc
->firmware_event_name
);
8090 if (!ioc
->firmware_event_thread
) {
8091 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8092 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8093 goto out_thread_fail
;
8096 ioc
->is_driver_loading
= 1;
8097 if ((mpt2sas_base_attach(ioc
))) {
8098 printk(MPT2SAS_ERR_FMT
"failure at %s:%d/%s()!\n",
8099 ioc
->name
, __FILE__
, __LINE__
, __func__
);
8100 goto out_attach_fail
;
8103 if (ioc
->is_warpdrive
) {
8104 if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_EXPOSE_ALL_DISKS
)
8105 ioc
->hide_drives
= 0;
8106 else if (ioc
->mfg_pg10_hide_flag
== MFG_PAGE10_HIDE_ALL_DISKS
)
8107 ioc
->hide_drives
= 1;
8109 if (_scsih_get_num_volumes(ioc
))
8110 ioc
->hide_drives
= 1;
8112 ioc
->hide_drives
= 0;
8115 ioc
->hide_drives
= 0;
8116 scsi_scan_host(shost
);
8121 destroy_workqueue(ioc
->firmware_event_thread
);
8123 list_del(&ioc
->list
);
8124 scsi_remove_host(shost
);
8126 scsi_host_put(shost
);
8132 * _scsih_suspend - power management suspend main entry point
8133 * @pdev: PCI device struct
8134 * @state: PM state change to (usually PCI_D3)
8136 * Returns 0 success, anything else error.
8139 _scsih_suspend(struct pci_dev
*pdev
, pm_message_t state
)
8141 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8142 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8143 pci_power_t device_state
;
8145 mpt2sas_base_stop_watchdog(ioc
);
8146 scsi_block_requests(shost
);
8147 device_state
= pci_choose_state(pdev
, state
);
8148 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, entering "
8149 "operating state [D%d]\n", ioc
->name
, pdev
,
8150 pci_name(pdev
), device_state
);
8152 mpt2sas_base_free_resources(ioc
);
8153 pci_save_state(pdev
);
8154 pci_disable_device(pdev
);
8155 pci_set_power_state(pdev
, device_state
);
8160 * _scsih_resume - power management resume main entry point
8161 * @pdev: PCI device struct
8163 * Returns 0 success, anything else error.
8166 _scsih_resume(struct pci_dev
*pdev
)
8168 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8169 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8170 pci_power_t device_state
= pdev
->current_state
;
8173 printk(MPT2SAS_INFO_FMT
"pdev=0x%p, slot=%s, previous "
8174 "operating state [D%d]\n", ioc
->name
, pdev
,
8175 pci_name(pdev
), device_state
);
8177 pci_set_power_state(pdev
, PCI_D0
);
8178 pci_enable_wake(pdev
, PCI_D0
, 0);
8179 pci_restore_state(pdev
);
8181 r
= mpt2sas_base_map_resources(ioc
);
8185 mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
, SOFT_RESET
);
8186 scsi_unblock_requests(shost
);
8187 mpt2sas_base_start_watchdog(ioc
);
8190 #endif /* CONFIG_PM */
8193 * _scsih_pci_error_detected - Called when a PCI error is detected.
8194 * @pdev: PCI device struct
8195 * @state: PCI channel state
8197 * Description: Called when a PCI error is detected.
8200 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
8202 static pci_ers_result_t
8203 _scsih_pci_error_detected(struct pci_dev
*pdev
, pci_channel_state_t state
)
8205 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8206 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8208 printk(MPT2SAS_INFO_FMT
"PCI error: detected callback, state(%d)!!\n",
8212 case pci_channel_io_normal
:
8213 return PCI_ERS_RESULT_CAN_RECOVER
;
8214 case pci_channel_io_frozen
:
8215 /* Fatal error, prepare for slot reset */
8216 ioc
->pci_error_recovery
= 1;
8217 scsi_block_requests(ioc
->shost
);
8218 mpt2sas_base_stop_watchdog(ioc
);
8219 mpt2sas_base_free_resources(ioc
);
8220 return PCI_ERS_RESULT_NEED_RESET
;
8221 case pci_channel_io_perm_failure
:
8222 /* Permanent error, prepare for device removal */
8223 ioc
->pci_error_recovery
= 1;
8224 mpt2sas_base_stop_watchdog(ioc
);
8225 _scsih_flush_running_cmds(ioc
);
8226 return PCI_ERS_RESULT_DISCONNECT
;
8228 return PCI_ERS_RESULT_NEED_RESET
;
8232 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
8233 * @pdev: PCI device struct
8235 * Description: This routine is called by the pci error recovery
8236 * code after the PCI slot has been reset, just before we
8237 * should resume normal operations.
8239 static pci_ers_result_t
8240 _scsih_pci_slot_reset(struct pci_dev
*pdev
)
8242 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8243 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8246 printk(MPT2SAS_INFO_FMT
"PCI error: slot reset callback!!\n",
8249 ioc
->pci_error_recovery
= 0;
8251 pci_restore_state(pdev
);
8252 rc
= mpt2sas_base_map_resources(ioc
);
8254 return PCI_ERS_RESULT_DISCONNECT
;
8257 rc
= mpt2sas_base_hard_reset_handler(ioc
, CAN_SLEEP
,
8260 printk(MPT2SAS_WARN_FMT
"hard reset: %s\n", ioc
->name
,
8261 (rc
== 0) ? "success" : "failed");
8264 return PCI_ERS_RESULT_RECOVERED
;
8266 return PCI_ERS_RESULT_DISCONNECT
;
8270 * _scsih_pci_resume() - resume normal ops after PCI reset
8271 * @pdev: pointer to PCI device
8273 * Called when the error recovery driver tells us that its
8274 * OK to resume normal operation. Use completion to allow
8275 * halted scsi ops to resume.
8278 _scsih_pci_resume(struct pci_dev
*pdev
)
8280 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8281 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8283 printk(MPT2SAS_INFO_FMT
"PCI error: resume callback!!\n", ioc
->name
);
8285 pci_cleanup_aer_uncorrect_error_status(pdev
);
8286 mpt2sas_base_start_watchdog(ioc
);
8287 scsi_unblock_requests(ioc
->shost
);
8291 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
8292 * @pdev: pointer to PCI device
8294 static pci_ers_result_t
8295 _scsih_pci_mmio_enabled(struct pci_dev
*pdev
)
8297 struct Scsi_Host
*shost
= pci_get_drvdata(pdev
);
8298 struct MPT2SAS_ADAPTER
*ioc
= shost_priv(shost
);
8300 printk(MPT2SAS_INFO_FMT
"PCI error: mmio enabled callback!!\n",
8303 /* TODO - dump whatever for debugging purposes */
8305 /* Request a slot reset. */
8306 return PCI_ERS_RESULT_NEED_RESET
;
8309 static struct pci_error_handlers _scsih_err_handler
= {
8310 .error_detected
= _scsih_pci_error_detected
,
8311 .mmio_enabled
= _scsih_pci_mmio_enabled
,
8312 .slot_reset
= _scsih_pci_slot_reset
,
8313 .resume
= _scsih_pci_resume
,
8316 static struct pci_driver scsih_driver
= {
8317 .name
= MPT2SAS_DRIVER_NAME
,
8318 .id_table
= scsih_pci_table
,
8319 .probe
= _scsih_probe
,
8320 .remove
= __devexit_p(_scsih_remove
),
8321 .shutdown
= _scsih_shutdown
,
8322 .err_handler
= &_scsih_err_handler
,
8324 .suspend
= _scsih_suspend
,
8325 .resume
= _scsih_resume
,
8329 /* raid transport support */
8330 static struct raid_function_template mpt2sas_raid_functions
= {
8331 .cookie
= &scsih_driver_template
,
8332 .is_raid
= _scsih_is_raid
,
8333 .get_resync
= _scsih_get_resync
,
8334 .get_state
= _scsih_get_state
,
8338 * _scsih_init - main entry point for this driver.
8340 * Returns 0 success, anything else error.
8348 printk(KERN_INFO
"%s version %s loaded\n", MPT2SAS_DRIVER_NAME
,
8349 MPT2SAS_DRIVER_VERSION
);
8351 mpt2sas_transport_template
=
8352 sas_attach_transport(&mpt2sas_transport_functions
);
8353 if (!mpt2sas_transport_template
)
8355 /* raid transport support */
8356 mpt2sas_raid_template
= raid_class_attach(&mpt2sas_raid_functions
);
8357 if (!mpt2sas_raid_template
) {
8358 sas_release_transport(mpt2sas_transport_template
);
8362 mpt2sas_base_initialize_callback_handler();
8364 /* queuecommand callback hander */
8365 scsi_io_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_io_done
);
8367 /* task management callback handler */
8368 tm_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_tm_done
);
8370 /* base internal commands callback handler */
8371 base_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_base_done
);
8372 port_enable_cb_idx
= mpt2sas_base_register_callback_handler(
8373 mpt2sas_port_enable_done
);
8375 /* transport internal commands callback handler */
8376 transport_cb_idx
= mpt2sas_base_register_callback_handler(
8377 mpt2sas_transport_done
);
8379 /* scsih internal commands callback handler */
8380 scsih_cb_idx
= mpt2sas_base_register_callback_handler(_scsih_done
);
8382 /* configuration page API internal commands callback handler */
8383 config_cb_idx
= mpt2sas_base_register_callback_handler(
8384 mpt2sas_config_done
);
8386 /* ctl module callback handler */
8387 ctl_cb_idx
= mpt2sas_base_register_callback_handler(mpt2sas_ctl_done
);
8389 tm_tr_cb_idx
= mpt2sas_base_register_callback_handler(
8390 _scsih_tm_tr_complete
);
8392 tm_tr_volume_cb_idx
= mpt2sas_base_register_callback_handler(
8393 _scsih_tm_volume_tr_complete
);
8395 tm_sas_control_cb_idx
= mpt2sas_base_register_callback_handler(
8396 _scsih_sas_control_complete
);
8400 error
= pci_register_driver(&scsih_driver
);
8402 /* raid transport support */
8403 raid_class_release(mpt2sas_raid_template
);
8404 sas_release_transport(mpt2sas_transport_template
);
8411 * _scsih_exit - exit point for this driver (when it is a module).
8413 * Returns 0 success, anything else error.
8418 printk(KERN_INFO
"mpt2sas version %s unloading\n",
8419 MPT2SAS_DRIVER_VERSION
);
8421 pci_unregister_driver(&scsih_driver
);
8425 mpt2sas_base_release_callback_handler(scsi_io_cb_idx
);
8426 mpt2sas_base_release_callback_handler(tm_cb_idx
);
8427 mpt2sas_base_release_callback_handler(base_cb_idx
);
8428 mpt2sas_base_release_callback_handler(port_enable_cb_idx
);
8429 mpt2sas_base_release_callback_handler(transport_cb_idx
);
8430 mpt2sas_base_release_callback_handler(scsih_cb_idx
);
8431 mpt2sas_base_release_callback_handler(config_cb_idx
);
8432 mpt2sas_base_release_callback_handler(ctl_cb_idx
);
8434 mpt2sas_base_release_callback_handler(tm_tr_cb_idx
);
8435 mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx
);
8436 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx
);
8438 /* raid transport support */
8439 raid_class_release(mpt2sas_raid_template
);
8440 sas_release_transport(mpt2sas_transport_template
);
8444 module_init(_scsih_init
);
8445 module_exit(_scsih_exit
);