2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
4 * This code is based on drivers/scsi/mpt3sas/mpt3sas_scsih.c
5 * Copyright (C) 2012-2014 LSI Corporation
6 * Copyright (C) 2013-2014 Avago Technologies
7 * (mailto: MPT-FusionLinux.pdl@avagotech.com)
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
20 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
21 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
22 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
23 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
24 * solely responsible for determining the appropriateness of using and
25 * distributing the Program and assumes all risks associated with its
26 * exercise of rights under this Agreement, including but not limited to
27 * the risks and costs of program errors, damage to or loss of data,
28 * programs or equipment, and unavailability or interruption of operations.
30 * DISCLAIMER OF LIABILITY
31 * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
32 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
34 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
35 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
36 * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
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39 * You should have received a copy of the GNU General Public License
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41 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/blkdev.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/delay.h>
53 #include <linux/pci.h>
54 #include <linux/pci-aspm.h>
55 #include <linux/interrupt.h>
56 #include <linux/aer.h>
57 #include <linux/raid_class.h>
58 #include <asm/unaligned.h>
60 #include "mpt3sas_base.h"
62 #define RAID_CHANNEL 1
64 static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
65 struct _sas_node *sas_expander);
66 static void _firmware_event_work(struct work_struct *work);
68 static void _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
69 struct _sas_device *sas_device);
70 static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle,
71 u8 retry_count, u8 is_pd);
73 static u8 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid);
75 /* global parameters */
76 LIST_HEAD(mpt3sas_ioc_list);
77 /* global ioc lock for list operations */
78 DEFINE_SPINLOCK(gioc_lock);
80 MODULE_AUTHOR(MPT3SAS_AUTHOR);
81 MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION);
82 MODULE_LICENSE("GPL");
83 MODULE_VERSION(MPT3SAS_DRIVER_VERSION);
84 MODULE_ALIAS("mpt2sas");
86 /* local parameters */
87 static u8 scsi_io_cb_idx = -1;
88 static u8 tm_cb_idx = -1;
89 static u8 ctl_cb_idx = -1;
90 static u8 base_cb_idx = -1;
91 static u8 port_enable_cb_idx = -1;
92 static u8 transport_cb_idx = -1;
93 static u8 scsih_cb_idx = -1;
94 static u8 config_cb_idx = -1;
98 static u8 tm_tr_cb_idx = -1 ;
99 static u8 tm_tr_volume_cb_idx = -1 ;
100 static u8 tm_sas_control_cb_idx = -1;
102 /* command line options */
103 static u32 logging_level;
104 MODULE_PARM_DESC(logging_level,
105 " bits for enabling additional logging info (default=0)");
108 static ushort max_sectors = 0xFFFF;
109 module_param(max_sectors, ushort, 0);
110 MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767");
113 static int missing_delay[2] = {-1, -1};
114 module_param_array(missing_delay, int, NULL, 0);
115 MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay");
117 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
118 #define MPT3SAS_MAX_LUN (16895)
119 static u64 max_lun = MPT3SAS_MAX_LUN;
120 module_param(max_lun, ullong, 0);
121 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
123 static ushort hbas_to_enumerate;
124 module_param(hbas_to_enumerate, ushort, 0);
125 MODULE_PARM_DESC(hbas_to_enumerate,
126 " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \
127 1 - enumerates only SAS 2.0 generation HBAs\n \
128 2 - enumerates only SAS 3.0 generation HBAs (default=0)");
130 /* diag_buffer_enable is bitwise
132 * bit 1 set = SNAPSHOT
133 * bit 2 set = EXTENDED
135 * Either bit can be set, or both
137 static int diag_buffer_enable = -1;
138 module_param(diag_buffer_enable, int, 0);
139 MODULE_PARM_DESC(diag_buffer_enable,
140 " post diag buffers (TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
141 static int disable_discovery = -1;
142 module_param(disable_discovery, int, 0);
143 MODULE_PARM_DESC(disable_discovery, " disable discovery ");
146 /* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
147 static int prot_mask = -1;
148 module_param(prot_mask, int, 0);
149 MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 ");
152 /* raid transport support */
153 struct raid_template *mpt3sas_raid_template;
154 struct raid_template *mpt2sas_raid_template;
158 * struct sense_info - common structure for obtaining sense keys
160 * @asc: additional sense code
161 * @ascq: additional sense code qualifier
169 #define MPT3SAS_PROCESS_TRIGGER_DIAG (0xFFFB)
170 #define MPT3SAS_TURN_ON_PFA_LED (0xFFFC)
171 #define MPT3SAS_PORT_ENABLE_COMPLETE (0xFFFD)
172 #define MPT3SAS_ABRT_TASK_SET (0xFFFE)
173 #define MPT3SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF)
175 * struct fw_event_work - firmware event struct
176 * @list: link list framework
177 * @work: work object (ioc->fault_reset_work_q)
178 * @ioc: per adapter object
179 * @device_handle: device handle
180 * @VF_ID: virtual function id
181 * @VP_ID: virtual port id
182 * @ignore: flag meaning this event has been marked to ignore
183 * @event: firmware event MPI2_EVENT_XXX defined in mpi2_ioc.h
184 * @refcount: kref for this event
185 * @event_data: reply event data payload follows
187 * This object stored on ioc->fw_event_list.
189 struct fw_event_work {
190 struct list_head list;
191 struct work_struct work;
193 struct MPT3SAS_ADAPTER *ioc;
199 struct kref refcount;
200 char event_data[0] __aligned(4);
203 static void fw_event_work_free(struct kref *r)
205 kfree(container_of(r, struct fw_event_work, refcount));
208 static void fw_event_work_get(struct fw_event_work *fw_work)
210 kref_get(&fw_work->refcount);
213 static void fw_event_work_put(struct fw_event_work *fw_work)
215 kref_put(&fw_work->refcount, fw_event_work_free);
218 static struct fw_event_work *alloc_fw_event_work(int len)
220 struct fw_event_work *fw_event;
222 fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC);
226 kref_init(&fw_event->refcount);
231 * struct _scsi_io_transfer - scsi io transfer
232 * @handle: sas device handle (assigned by firmware)
233 * @is_raid: flag set for hidden raid components
234 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
235 * @data_length: data transfer length
236 * @data_dma: dma pointer to data
239 * @cdb_length: cdb length
241 * @timeout: timeout for this command
242 * @VF_ID: virtual function id
243 * @VP_ID: virtual port id
244 * @valid_reply: flag set for reply message
245 * @sense_length: sense length
246 * @ioc_status: ioc status
247 * @scsi_state: scsi state
248 * @scsi_status: scsi staus
249 * @log_info: log information
250 * @transfer_length: data length transfer when there is a reply message
252 * Used for sending internal scsi commands to devices within this module.
253 * Refer to _scsi_send_scsi_io().
255 struct _scsi_io_transfer {
258 enum dma_data_direction dir;
261 u8 sense[SCSI_SENSE_BUFFERSIZE];
269 /* the following bits are only valid when 'valid_reply = 1' */
279 * _scsih_set_debug_level - global setting of ioc->logging_level.
281 * Note: The logging levels are defined in mpt3sas_debug.h.
284 _scsih_set_debug_level(const char *val, struct kernel_param *kp)
286 int ret = param_set_int(val, kp);
287 struct MPT3SAS_ADAPTER *ioc;
292 pr_info("setting logging_level(0x%08x)\n", logging_level);
293 spin_lock(&gioc_lock);
294 list_for_each_entry(ioc, &mpt3sas_ioc_list, list)
295 ioc->logging_level = logging_level;
296 spin_unlock(&gioc_lock);
299 module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
300 &logging_level, 0644);
303 * _scsih_srch_boot_sas_address - search based on sas_address
304 * @sas_address: sas address
305 * @boot_device: boot device object from bios page 2
307 * Returns 1 when there's a match, 0 means no match.
310 _scsih_srch_boot_sas_address(u64 sas_address,
311 Mpi2BootDeviceSasWwid_t *boot_device)
313 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
317 * _scsih_srch_boot_device_name - search based on device name
318 * @device_name: device name specified in INDENTIFY fram
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_device_name(u64 device_name,
325 Mpi2BootDeviceDeviceName_t *boot_device)
327 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
331 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
332 * @enclosure_logical_id: enclosure logical id
333 * @slot_number: slot number
334 * @boot_device: boot device object from bios page 2
336 * Returns 1 when there's a match, 0 means no match.
339 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
340 Mpi2BootDeviceEnclosureSlot_t *boot_device)
342 return (enclosure_logical_id == le64_to_cpu(boot_device->
343 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
344 SlotNumber)) ? 1 : 0;
348 * _scsih_is_boot_device - search for matching boot device.
349 * @sas_address: sas address
350 * @device_name: device name specified in INDENTIFY fram
351 * @enclosure_logical_id: enclosure logical id
352 * @slot_number: slot number
353 * @form: specifies boot device form
354 * @boot_device: boot device object from bios page 2
356 * Returns 1 when there's a match, 0 means no match.
359 _scsih_is_boot_device(u64 sas_address, u64 device_name,
360 u64 enclosure_logical_id, u16 slot, u8 form,
361 Mpi2BiosPage2BootDevice_t *boot_device)
366 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
369 rc = _scsih_srch_boot_sas_address(
370 sas_address, &boot_device->SasWwid);
372 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
373 if (!enclosure_logical_id)
375 rc = _scsih_srch_boot_encl_slot(
376 enclosure_logical_id,
377 slot, &boot_device->EnclosureSlot);
379 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
382 rc = _scsih_srch_boot_device_name(
383 device_name, &boot_device->DeviceName);
385 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
393 * _scsih_get_sas_address - set the sas_address for given device handle
394 * @handle: device handle
395 * @sas_address: sas address
397 * Returns 0 success, non-zero when failure
400 _scsih_get_sas_address(struct MPT3SAS_ADAPTER *ioc, u16 handle,
403 Mpi2SasDevicePage0_t sas_device_pg0;
404 Mpi2ConfigReply_t mpi_reply;
409 if (handle <= ioc->sas_hba.num_phys) {
410 *sas_address = ioc->sas_hba.sas_address;
414 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
415 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
416 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
417 __FILE__, __LINE__, __func__);
421 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
422 if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
423 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
427 /* we hit this because the given parent handle doesn't exist */
428 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
431 /* else error case */
433 "handle(0x%04x), ioc_status(0x%04x), failure at %s:%d/%s()!\n",
434 ioc->name, handle, ioc_status,
435 __FILE__, __LINE__, __func__);
440 * _scsih_determine_boot_device - determine boot device.
441 * @ioc: per adapter object
442 * @device: either sas_device or raid_device object
443 * @is_raid: [flag] 1 = raid object, 0 = sas object
445 * Determines whether this device should be first reported device to
446 * to scsi-ml or sas transport, this purpose is for persistent boot device.
447 * There are primary, alternate, and current entries in bios page 2. The order
448 * priority is primary, alternate, then current. This routine saves
449 * the corresponding device object and is_raid flag in the ioc object.
450 * The saved data to be used later in _scsih_probe_boot_devices().
453 _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc,
454 void *device, u8 is_raid)
456 struct _sas_device *sas_device;
457 struct _raid_device *raid_device;
460 u64 enclosure_logical_id;
463 /* only process this function when driver loads */
464 if (!ioc->is_driver_loading)
467 /* no Bios, return immediately */
468 if (!ioc->bios_pg3.BiosVersion)
473 sas_address = sas_device->sas_address;
474 device_name = sas_device->device_name;
475 enclosure_logical_id = sas_device->enclosure_logical_id;
476 slot = sas_device->slot;
478 raid_device = device;
479 sas_address = raid_device->wwid;
481 enclosure_logical_id = 0;
485 if (!ioc->req_boot_device.device) {
486 if (_scsih_is_boot_device(sas_address, device_name,
487 enclosure_logical_id, slot,
488 (ioc->bios_pg2.ReqBootDeviceForm &
489 MPI2_BIOSPAGE2_FORM_MASK),
490 &ioc->bios_pg2.RequestedBootDevice)) {
491 dinitprintk(ioc, pr_info(MPT3SAS_FMT
492 "%s: req_boot_device(0x%016llx)\n",
494 (unsigned long long)sas_address));
495 ioc->req_boot_device.device = device;
496 ioc->req_boot_device.is_raid = is_raid;
500 if (!ioc->req_alt_boot_device.device) {
501 if (_scsih_is_boot_device(sas_address, device_name,
502 enclosure_logical_id, slot,
503 (ioc->bios_pg2.ReqAltBootDeviceForm &
504 MPI2_BIOSPAGE2_FORM_MASK),
505 &ioc->bios_pg2.RequestedAltBootDevice)) {
506 dinitprintk(ioc, pr_info(MPT3SAS_FMT
507 "%s: req_alt_boot_device(0x%016llx)\n",
509 (unsigned long long)sas_address));
510 ioc->req_alt_boot_device.device = device;
511 ioc->req_alt_boot_device.is_raid = is_raid;
515 if (!ioc->current_boot_device.device) {
516 if (_scsih_is_boot_device(sas_address, device_name,
517 enclosure_logical_id, slot,
518 (ioc->bios_pg2.CurrentBootDeviceForm &
519 MPI2_BIOSPAGE2_FORM_MASK),
520 &ioc->bios_pg2.CurrentBootDevice)) {
521 dinitprintk(ioc, pr_info(MPT3SAS_FMT
522 "%s: current_boot_device(0x%016llx)\n",
524 (unsigned long long)sas_address));
525 ioc->current_boot_device.device = device;
526 ioc->current_boot_device.is_raid = is_raid;
531 static struct _sas_device *
532 __mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
533 struct MPT3SAS_TARGET *tgt_priv)
535 struct _sas_device *ret;
537 assert_spin_locked(&ioc->sas_device_lock);
539 ret = tgt_priv->sdev;
546 static struct _sas_device *
547 mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc,
548 struct MPT3SAS_TARGET *tgt_priv)
550 struct _sas_device *ret;
553 spin_lock_irqsave(&ioc->sas_device_lock, flags);
554 ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv);
555 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
562 __mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
565 struct _sas_device *sas_device;
567 assert_spin_locked(&ioc->sas_device_lock);
569 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
570 if (sas_device->sas_address == sas_address)
573 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
574 if (sas_device->sas_address == sas_address)
580 sas_device_get(sas_device);
585 * mpt3sas_get_sdev_by_addr - sas device search
586 * @ioc: per adapter object
587 * @sas_address: sas address
588 * Context: Calling function should acquire ioc->sas_device_lock
590 * This searches for sas_device based on sas_address, then return sas_device
594 mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc,
597 struct _sas_device *sas_device;
600 spin_lock_irqsave(&ioc->sas_device_lock, flags);
601 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
603 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
608 static struct _sas_device *
609 __mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
611 struct _sas_device *sas_device;
613 assert_spin_locked(&ioc->sas_device_lock);
615 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
616 if (sas_device->handle == handle)
619 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
620 if (sas_device->handle == handle)
626 sas_device_get(sas_device);
631 * mpt3sas_get_sdev_by_handle - sas device search
632 * @ioc: per adapter object
633 * @handle: sas device handle (assigned by firmware)
634 * Context: Calling function should acquire ioc->sas_device_lock
636 * This searches for sas_device based on sas_address, then return sas_device
639 static struct _sas_device *
640 mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
642 struct _sas_device *sas_device;
645 spin_lock_irqsave(&ioc->sas_device_lock, flags);
646 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
647 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
653 * _scsih_sas_device_remove - remove sas_device from list.
654 * @ioc: per adapter object
655 * @sas_device: the sas_device object
656 * Context: This function will acquire ioc->sas_device_lock.
658 * If sas_device is on the list, remove it and decrement its reference count.
661 _scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc,
662 struct _sas_device *sas_device)
669 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
670 ioc->name, sas_device->handle,
671 (unsigned long long) sas_device->sas_address);
673 if (sas_device->enclosure_handle != 0)
675 "removing enclosure logical id(0x%016llx), slot(%d)\n",
676 ioc->name, (unsigned long long)
677 sas_device->enclosure_logical_id, sas_device->slot);
679 if (sas_device->connector_name[0] != '\0')
681 "removing enclosure level(0x%04x), connector name( %s)\n",
682 ioc->name, sas_device->enclosure_level,
683 sas_device->connector_name);
686 * The lock serializes access to the list, but we still need to verify
687 * that nobody removed the entry while we were waiting on the lock.
689 spin_lock_irqsave(&ioc->sas_device_lock, flags);
690 if (!list_empty(&sas_device->list)) {
691 list_del_init(&sas_device->list);
692 sas_device_put(sas_device);
694 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
698 * _scsih_device_remove_by_handle - removing device object by handle
699 * @ioc: per adapter object
700 * @handle: device handle
705 _scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
707 struct _sas_device *sas_device;
710 if (ioc->shost_recovery)
713 spin_lock_irqsave(&ioc->sas_device_lock, flags);
714 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
716 list_del_init(&sas_device->list);
717 sas_device_put(sas_device);
719 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
721 _scsih_remove_device(ioc, sas_device);
722 sas_device_put(sas_device);
727 * mpt3sas_device_remove_by_sas_address - removing device object by sas address
728 * @ioc: per adapter object
729 * @sas_address: device sas_address
734 mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
737 struct _sas_device *sas_device;
740 if (ioc->shost_recovery)
743 spin_lock_irqsave(&ioc->sas_device_lock, flags);
744 sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address);
746 list_del_init(&sas_device->list);
747 sas_device_put(sas_device);
749 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
751 _scsih_remove_device(ioc, sas_device);
752 sas_device_put(sas_device);
757 * _scsih_sas_device_add - insert sas_device to the list.
758 * @ioc: per adapter object
759 * @sas_device: the sas_device object
760 * Context: This function will acquire ioc->sas_device_lock.
762 * Adding new object to the ioc->sas_device_list.
765 _scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc,
766 struct _sas_device *sas_device)
770 dewtprintk(ioc, pr_info(MPT3SAS_FMT
771 "%s: handle(0x%04x), sas_addr(0x%016llx)\n",
772 ioc->name, __func__, sas_device->handle,
773 (unsigned long long)sas_device->sas_address));
775 if (sas_device->enclosure_handle != 0)
776 dewtprintk(ioc, pr_info(MPT3SAS_FMT
777 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
778 ioc->name, __func__, (unsigned long long)
779 sas_device->enclosure_logical_id, sas_device->slot));
781 if (sas_device->connector_name[0] != '\0')
782 dewtprintk(ioc, pr_info(MPT3SAS_FMT
783 "%s: enclosure level(0x%04x), connector name( %s)\n",
785 sas_device->enclosure_level, sas_device->connector_name));
787 spin_lock_irqsave(&ioc->sas_device_lock, flags);
788 sas_device_get(sas_device);
789 list_add_tail(&sas_device->list, &ioc->sas_device_list);
790 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
792 if (ioc->hide_drives) {
793 clear_bit(sas_device->handle, ioc->pend_os_device_add);
797 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
798 sas_device->sas_address_parent)) {
799 _scsih_sas_device_remove(ioc, sas_device);
800 } else if (!sas_device->starget) {
802 * When asyn scanning is enabled, its not possible to remove
803 * devices while scanning is turned on due to an oops in
804 * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start()
806 if (!ioc->is_driver_loading) {
807 mpt3sas_transport_port_remove(ioc,
808 sas_device->sas_address,
809 sas_device->sas_address_parent);
810 _scsih_sas_device_remove(ioc, sas_device);
813 clear_bit(sas_device->handle, ioc->pend_os_device_add);
817 * _scsih_sas_device_init_add - insert sas_device to the list.
818 * @ioc: per adapter object
819 * @sas_device: the sas_device object
820 * Context: This function will acquire ioc->sas_device_lock.
822 * Adding new object at driver load time to the ioc->sas_device_init_list.
825 _scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc,
826 struct _sas_device *sas_device)
830 dewtprintk(ioc, pr_info(MPT3SAS_FMT
831 "%s: handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
832 __func__, sas_device->handle,
833 (unsigned long long)sas_device->sas_address));
835 if (sas_device->enclosure_handle != 0)
836 dewtprintk(ioc, pr_info(MPT3SAS_FMT
837 "%s: enclosure logical id(0x%016llx), slot( %d)\n",
838 ioc->name, __func__, (unsigned long long)
839 sas_device->enclosure_logical_id, sas_device->slot));
841 if (sas_device->connector_name[0] != '\0')
842 dewtprintk(ioc, pr_info(MPT3SAS_FMT
843 "%s: enclosure level(0x%04x), connector name( %s)\n",
844 ioc->name, __func__, sas_device->enclosure_level,
845 sas_device->connector_name));
847 spin_lock_irqsave(&ioc->sas_device_lock, flags);
848 sas_device_get(sas_device);
849 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
850 _scsih_determine_boot_device(ioc, sas_device, 0);
851 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
855 * _scsih_raid_device_find_by_id - raid device search
856 * @ioc: per adapter object
857 * @id: sas device target id
858 * @channel: sas device channel
859 * Context: Calling function should acquire ioc->raid_device_lock
861 * This searches for raid_device based on target id, then return raid_device
864 static struct _raid_device *
865 _scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel)
867 struct _raid_device *raid_device, *r;
870 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
871 if (raid_device->id == id && raid_device->channel == channel) {
882 * mpt3sas_raid_device_find_by_handle - raid device search
883 * @ioc: per adapter object
884 * @handle: sas device handle (assigned by firmware)
885 * Context: Calling function should acquire ioc->raid_device_lock
887 * This searches for raid_device based on handle, then return raid_device
890 struct _raid_device *
891 mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
893 struct _raid_device *raid_device, *r;
896 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
897 if (raid_device->handle != handle)
908 * _scsih_raid_device_find_by_wwid - raid device search
909 * @ioc: per adapter object
910 * @handle: sas device handle (assigned by firmware)
911 * Context: Calling function should acquire ioc->raid_device_lock
913 * This searches for raid_device based on wwid, then return raid_device
916 static struct _raid_device *
917 _scsih_raid_device_find_by_wwid(struct MPT3SAS_ADAPTER *ioc, u64 wwid)
919 struct _raid_device *raid_device, *r;
922 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
923 if (raid_device->wwid != wwid)
934 * _scsih_raid_device_add - add raid_device object
935 * @ioc: per adapter object
936 * @raid_device: raid_device object
938 * This is added to the raid_device_list link list.
941 _scsih_raid_device_add(struct MPT3SAS_ADAPTER *ioc,
942 struct _raid_device *raid_device)
946 dewtprintk(ioc, pr_info(MPT3SAS_FMT
947 "%s: handle(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
948 raid_device->handle, (unsigned long long)raid_device->wwid));
950 spin_lock_irqsave(&ioc->raid_device_lock, flags);
951 list_add_tail(&raid_device->list, &ioc->raid_device_list);
952 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
956 * _scsih_raid_device_remove - delete raid_device object
957 * @ioc: per adapter object
958 * @raid_device: raid_device object
962 _scsih_raid_device_remove(struct MPT3SAS_ADAPTER *ioc,
963 struct _raid_device *raid_device)
967 spin_lock_irqsave(&ioc->raid_device_lock, flags);
968 list_del(&raid_device->list);
970 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
974 * mpt3sas_scsih_expander_find_by_handle - expander device search
975 * @ioc: per adapter object
976 * @handle: expander handle (assigned by firmware)
977 * Context: Calling function should acquire ioc->sas_device_lock
979 * This searches for expander device based on handle, then returns the
983 mpt3sas_scsih_expander_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle)
985 struct _sas_node *sas_expander, *r;
988 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
989 if (sas_expander->handle != handle)
999 * mpt3sas_scsih_expander_find_by_sas_address - expander device search
1000 * @ioc: per adapter object
1001 * @sas_address: sas address
1002 * Context: Calling function should acquire ioc->sas_node_lock.
1004 * This searches for expander device based on sas_address, then returns the
1008 mpt3sas_scsih_expander_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc,
1011 struct _sas_node *sas_expander, *r;
1014 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
1015 if (sas_expander->sas_address != sas_address)
1025 * _scsih_expander_node_add - insert expander device to the list.
1026 * @ioc: per adapter object
1027 * @sas_expander: the sas_device object
1028 * Context: This function will acquire ioc->sas_node_lock.
1030 * Adding new object to the ioc->sas_expander_list.
1035 _scsih_expander_node_add(struct MPT3SAS_ADAPTER *ioc,
1036 struct _sas_node *sas_expander)
1038 unsigned long flags;
1040 spin_lock_irqsave(&ioc->sas_node_lock, flags);
1041 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
1042 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
1046 * _scsih_is_end_device - determines if device is an end device
1047 * @device_info: bitfield providing information about the device.
1050 * Returns 1 if end device.
1053 _scsih_is_end_device(u32 device_info)
1055 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
1056 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
1057 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
1058 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
1065 * _scsih_scsi_lookup_get - returns scmd entry
1066 * @ioc: per adapter object
1067 * @smid: system request message index
1069 * Returns the smid stored scmd pointer.
1071 static struct scsi_cmnd *
1072 _scsih_scsi_lookup_get(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1074 return ioc->scsi_lookup[smid - 1].scmd;
1078 * __scsih_scsi_lookup_get_clear - returns scmd entry without
1080 * @ioc: per adapter object
1081 * @smid: system request message index
1083 * Returns the smid stored scmd pointer.
1084 * Then will dereference the stored scmd pointer.
1086 static inline struct scsi_cmnd *
1087 __scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc,
1090 struct scsi_cmnd *scmd = NULL;
1092 swap(scmd, ioc->scsi_lookup[smid - 1].scmd);
1098 * _scsih_scsi_lookup_get_clear - returns scmd entry
1099 * @ioc: per adapter object
1100 * @smid: system request message index
1102 * Returns the smid stored scmd pointer.
1103 * Then will derefrence the stored scmd pointer.
1105 static inline struct scsi_cmnd *
1106 _scsih_scsi_lookup_get_clear(struct MPT3SAS_ADAPTER *ioc, u16 smid)
1108 unsigned long flags;
1109 struct scsi_cmnd *scmd;
1111 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1112 scmd = __scsih_scsi_lookup_get_clear(ioc, smid);
1113 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1119 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
1120 * @ioc: per adapter object
1121 * @smid: system request message index
1122 * @scmd: pointer to scsi command object
1123 * Context: This function will acquire ioc->scsi_lookup_lock.
1125 * This will search for a scmd pointer in the scsi_lookup array,
1126 * returning the revelent smid. A returned value of zero means invalid.
1129 _scsih_scsi_lookup_find_by_scmd(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd
1133 unsigned long flags;
1136 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1138 for (i = 0; i < ioc->scsiio_depth; i++) {
1139 if (ioc->scsi_lookup[i].scmd == scmd) {
1140 smid = ioc->scsi_lookup[i].smid;
1145 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1150 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
1151 * @ioc: per adapter object
1154 * Context: This function will acquire ioc->scsi_lookup_lock.
1156 * This will search for a matching channel:id in the scsi_lookup array,
1157 * returning 1 if found.
1160 _scsih_scsi_lookup_find_by_target(struct MPT3SAS_ADAPTER *ioc, int id,
1164 unsigned long flags;
1167 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1169 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1170 if (ioc->scsi_lookup[i].scmd &&
1171 (ioc->scsi_lookup[i].scmd->device->id == id &&
1172 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
1178 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1183 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
1184 * @ioc: per adapter object
1188 * Context: This function will acquire ioc->scsi_lookup_lock.
1190 * This will search for a matching channel:id:lun in the scsi_lookup array,
1191 * returning 1 if found.
1194 _scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id,
1195 unsigned int lun, int channel)
1198 unsigned long flags;
1201 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
1203 for (i = 0 ; i < ioc->scsiio_depth; i++) {
1204 if (ioc->scsi_lookup[i].scmd &&
1205 (ioc->scsi_lookup[i].scmd->device->id == id &&
1206 ioc->scsi_lookup[i].scmd->device->channel == channel &&
1207 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
1213 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
1218 * scsih_change_queue_depth - setting device queue depth
1219 * @sdev: scsi device struct
1220 * @qdepth: requested queue depth
1222 * Returns queue depth.
1225 scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
1227 struct Scsi_Host *shost = sdev->host;
1229 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1230 struct MPT3SAS_DEVICE *sas_device_priv_data;
1231 struct MPT3SAS_TARGET *sas_target_priv_data;
1232 struct _sas_device *sas_device;
1233 unsigned long flags;
1235 max_depth = shost->can_queue;
1237 /* limit max device queue for SATA to 32 */
1238 sas_device_priv_data = sdev->hostdata;
1239 if (!sas_device_priv_data)
1241 sas_target_priv_data = sas_device_priv_data->sas_target;
1242 if (!sas_target_priv_data)
1244 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1247 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1248 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
1250 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1251 max_depth = MPT3SAS_SATA_QUEUE_DEPTH;
1253 sas_device_put(sas_device);
1255 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1259 if (!sdev->tagged_supported)
1261 if (qdepth > max_depth)
1263 return scsi_change_queue_depth(sdev, qdepth);
1267 * scsih_target_alloc - target add routine
1268 * @starget: scsi target struct
1270 * Returns 0 if ok. Any other return is assumed to be an error and
1271 * the device is ignored.
1274 scsih_target_alloc(struct scsi_target *starget)
1276 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1277 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1278 struct MPT3SAS_TARGET *sas_target_priv_data;
1279 struct _sas_device *sas_device;
1280 struct _raid_device *raid_device;
1281 unsigned long flags;
1282 struct sas_rphy *rphy;
1284 sas_target_priv_data = kzalloc(sizeof(*sas_target_priv_data),
1286 if (!sas_target_priv_data)
1289 starget->hostdata = sas_target_priv_data;
1290 sas_target_priv_data->starget = starget;
1291 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
1294 if (starget->channel == RAID_CHANNEL) {
1295 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1296 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1299 sas_target_priv_data->handle = raid_device->handle;
1300 sas_target_priv_data->sas_address = raid_device->wwid;
1301 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
1302 if (ioc->is_warpdrive)
1303 sas_target_priv_data->raid_device = raid_device;
1304 raid_device->starget = starget;
1306 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1310 /* sas/sata devices */
1311 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1312 rphy = dev_to_rphy(starget->dev.parent);
1313 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
1314 rphy->identify.sas_address);
1317 sas_target_priv_data->handle = sas_device->handle;
1318 sas_target_priv_data->sas_address = sas_device->sas_address;
1319 sas_target_priv_data->sdev = sas_device;
1320 sas_device->starget = starget;
1321 sas_device->id = starget->id;
1322 sas_device->channel = starget->channel;
1323 if (test_bit(sas_device->handle, ioc->pd_handles))
1324 sas_target_priv_data->flags |=
1325 MPT_TARGET_FLAGS_RAID_COMPONENT;
1326 if (sas_device->fast_path)
1327 sas_target_priv_data->flags |= MPT_TARGET_FASTPATH_IO;
1329 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1335 * scsih_target_destroy - target destroy routine
1336 * @starget: scsi target struct
1341 scsih_target_destroy(struct scsi_target *starget)
1343 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1344 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1345 struct MPT3SAS_TARGET *sas_target_priv_data;
1346 struct _sas_device *sas_device;
1347 struct _raid_device *raid_device;
1348 unsigned long flags;
1350 sas_target_priv_data = starget->hostdata;
1351 if (!sas_target_priv_data)
1354 if (starget->channel == RAID_CHANNEL) {
1355 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1356 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1359 raid_device->starget = NULL;
1360 raid_device->sdev = NULL;
1362 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1366 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1367 sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data);
1368 if (sas_device && (sas_device->starget == starget) &&
1369 (sas_device->id == starget->id) &&
1370 (sas_device->channel == starget->channel))
1371 sas_device->starget = NULL;
1375 * Corresponding get() is in _scsih_target_alloc()
1377 sas_target_priv_data->sdev = NULL;
1378 sas_device_put(sas_device);
1380 sas_device_put(sas_device);
1382 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1385 kfree(sas_target_priv_data);
1386 starget->hostdata = NULL;
1390 * scsih_slave_alloc - device add routine
1391 * @sdev: scsi device struct
1393 * Returns 0 if ok. Any other return is assumed to be an error and
1394 * the device is ignored.
1397 scsih_slave_alloc(struct scsi_device *sdev)
1399 struct Scsi_Host *shost;
1400 struct MPT3SAS_ADAPTER *ioc;
1401 struct MPT3SAS_TARGET *sas_target_priv_data;
1402 struct MPT3SAS_DEVICE *sas_device_priv_data;
1403 struct scsi_target *starget;
1404 struct _raid_device *raid_device;
1405 struct _sas_device *sas_device;
1406 unsigned long flags;
1408 sas_device_priv_data = kzalloc(sizeof(*sas_device_priv_data),
1410 if (!sas_device_priv_data)
1413 sas_device_priv_data->lun = sdev->lun;
1414 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1416 starget = scsi_target(sdev);
1417 sas_target_priv_data = starget->hostdata;
1418 sas_target_priv_data->num_luns++;
1419 sas_device_priv_data->sas_target = sas_target_priv_data;
1420 sdev->hostdata = sas_device_priv_data;
1421 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1422 sdev->no_uld_attach = 1;
1424 shost = dev_to_shost(&starget->dev);
1425 ioc = shost_priv(shost);
1426 if (starget->channel == RAID_CHANNEL) {
1427 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1428 raid_device = _scsih_raid_device_find_by_id(ioc,
1429 starget->id, starget->channel);
1431 raid_device->sdev = sdev; /* raid is single lun */
1432 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1435 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1436 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1437 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
1438 sas_target_priv_data->sas_address);
1439 if (sas_device && (sas_device->starget == NULL)) {
1440 sdev_printk(KERN_INFO, sdev,
1441 "%s : sas_device->starget set to starget @ %d\n",
1442 __func__, __LINE__);
1443 sas_device->starget = starget;
1447 sas_device_put(sas_device);
1449 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1456 * scsih_slave_destroy - device destroy routine
1457 * @sdev: scsi device struct
1462 scsih_slave_destroy(struct scsi_device *sdev)
1464 struct MPT3SAS_TARGET *sas_target_priv_data;
1465 struct scsi_target *starget;
1466 struct Scsi_Host *shost;
1467 struct MPT3SAS_ADAPTER *ioc;
1468 struct _sas_device *sas_device;
1469 unsigned long flags;
1471 if (!sdev->hostdata)
1474 starget = scsi_target(sdev);
1475 sas_target_priv_data = starget->hostdata;
1476 sas_target_priv_data->num_luns--;
1478 shost = dev_to_shost(&starget->dev);
1479 ioc = shost_priv(shost);
1481 if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) {
1482 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1483 sas_device = __mpt3sas_get_sdev_from_target(ioc,
1484 sas_target_priv_data);
1485 if (sas_device && !sas_target_priv_data->num_luns)
1486 sas_device->starget = NULL;
1489 sas_device_put(sas_device);
1490 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1493 kfree(sdev->hostdata);
1494 sdev->hostdata = NULL;
1498 * _scsih_display_sata_capabilities - sata capabilities
1499 * @ioc: per adapter object
1500 * @handle: device handle
1501 * @sdev: scsi device struct
1504 _scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc,
1505 u16 handle, struct scsi_device *sdev)
1507 Mpi2ConfigReply_t mpi_reply;
1508 Mpi2SasDevicePage0_t sas_device_pg0;
1513 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1514 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
1515 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1516 ioc->name, __FILE__, __LINE__, __func__);
1520 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1521 MPI2_IOCSTATUS_MASK;
1522 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1523 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1524 ioc->name, __FILE__, __LINE__, __func__);
1528 flags = le16_to_cpu(sas_device_pg0.Flags);
1529 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
1531 sdev_printk(KERN_INFO, sdev,
1532 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1533 "sw_preserve(%s)\n",
1534 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1535 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1536 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1538 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1539 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1540 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1544 * raid transport support -
1545 * Enabled for SLES11 and newer, in older kernels the driver will panic when
1546 * unloading the driver followed by a load - I believe that the subroutine
1547 * raid_class_release() is not cleaning up properly.
1551 * scsih_is_raid - return boolean indicating device is raid volume
1552 * @dev the device struct object
1555 scsih_is_raid(struct device *dev)
1557 struct scsi_device *sdev = to_scsi_device(dev);
1558 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1560 if (ioc->is_warpdrive)
1562 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
1566 * scsih_get_resync - get raid volume resync percent complete
1567 * @dev the device struct object
1570 scsih_get_resync(struct device *dev)
1572 struct scsi_device *sdev = to_scsi_device(dev);
1573 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1574 static struct _raid_device *raid_device;
1575 unsigned long flags;
1576 Mpi2RaidVolPage0_t vol_pg0;
1577 Mpi2ConfigReply_t mpi_reply;
1578 u32 volume_status_flags;
1579 u8 percent_complete;
1582 percent_complete = 0;
1584 if (ioc->is_warpdrive)
1587 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1588 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1591 handle = raid_device->handle;
1592 percent_complete = raid_device->percent_complete;
1594 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1599 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1600 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1601 sizeof(Mpi2RaidVolPage0_t))) {
1602 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1603 ioc->name, __FILE__, __LINE__, __func__);
1604 percent_complete = 0;
1608 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1609 if (!(volume_status_flags &
1610 MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS))
1611 percent_complete = 0;
1615 switch (ioc->hba_mpi_version_belonged) {
1617 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
1621 raid_set_resync(mpt3sas_raid_template, dev, percent_complete);
1627 * scsih_get_state - get raid volume level
1628 * @dev the device struct object
1631 scsih_get_state(struct device *dev)
1633 struct scsi_device *sdev = to_scsi_device(dev);
1634 struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host);
1635 static struct _raid_device *raid_device;
1636 unsigned long flags;
1637 Mpi2RaidVolPage0_t vol_pg0;
1638 Mpi2ConfigReply_t mpi_reply;
1640 enum raid_state state = RAID_STATE_UNKNOWN;
1643 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1644 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1647 handle = raid_device->handle;
1648 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1653 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1654 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
1655 sizeof(Mpi2RaidVolPage0_t))) {
1656 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
1657 ioc->name, __FILE__, __LINE__, __func__);
1661 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1662 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
1663 state = RAID_STATE_RESYNCING;
1667 switch (vol_pg0.VolumeState) {
1668 case MPI2_RAID_VOL_STATE_OPTIMAL:
1669 case MPI2_RAID_VOL_STATE_ONLINE:
1670 state = RAID_STATE_ACTIVE;
1672 case MPI2_RAID_VOL_STATE_DEGRADED:
1673 state = RAID_STATE_DEGRADED;
1675 case MPI2_RAID_VOL_STATE_FAILED:
1676 case MPI2_RAID_VOL_STATE_MISSING:
1677 state = RAID_STATE_OFFLINE;
1681 switch (ioc->hba_mpi_version_belonged) {
1683 raid_set_state(mpt2sas_raid_template, dev, state);
1687 raid_set_state(mpt3sas_raid_template, dev, state);
1693 * _scsih_set_level - set raid level
1694 * @sdev: scsi device struct
1695 * @volume_type: volume type
1698 _scsih_set_level(struct MPT3SAS_ADAPTER *ioc,
1699 struct scsi_device *sdev, u8 volume_type)
1701 enum raid_level level = RAID_LEVEL_UNKNOWN;
1703 switch (volume_type) {
1704 case MPI2_RAID_VOL_TYPE_RAID0:
1705 level = RAID_LEVEL_0;
1707 case MPI2_RAID_VOL_TYPE_RAID10:
1708 level = RAID_LEVEL_10;
1710 case MPI2_RAID_VOL_TYPE_RAID1E:
1711 level = RAID_LEVEL_1E;
1713 case MPI2_RAID_VOL_TYPE_RAID1:
1714 level = RAID_LEVEL_1;
1718 switch (ioc->hba_mpi_version_belonged) {
1720 raid_set_level(mpt2sas_raid_template,
1721 &sdev->sdev_gendev, level);
1725 raid_set_level(mpt3sas_raid_template,
1726 &sdev->sdev_gendev, level);
1733 * _scsih_get_volume_capabilities - volume capabilities
1734 * @ioc: per adapter object
1735 * @sas_device: the raid_device object
1737 * Returns 0 for success, else 1
1740 _scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc,
1741 struct _raid_device *raid_device)
1743 Mpi2RaidVolPage0_t *vol_pg0;
1744 Mpi2RaidPhysDiskPage0_t pd_pg0;
1745 Mpi2SasDevicePage0_t sas_device_pg0;
1746 Mpi2ConfigReply_t mpi_reply;
1750 if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle,
1751 &num_pds)) || !num_pds) {
1752 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1753 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1758 raid_device->num_pds = num_pds;
1759 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1760 sizeof(Mpi2RaidVol0PhysDisk_t));
1761 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1763 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1764 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1769 if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1770 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1771 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1772 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1778 raid_device->volume_type = vol_pg0->VolumeType;
1780 /* figure out what the underlying devices are by
1781 * obtaining the device_info bits for the 1st device
1783 if (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1784 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1785 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1786 if (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1787 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1788 le16_to_cpu(pd_pg0.DevHandle)))) {
1789 raid_device->device_info =
1790 le32_to_cpu(sas_device_pg0.DeviceInfo);
1799 * _scsih_enable_tlr - setting TLR flags
1800 * @ioc: per adapter object
1801 * @sdev: scsi device struct
1803 * Enabling Transaction Layer Retries for tape devices when
1804 * vpd page 0x90 is present
1808 _scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev)
1812 if (sdev->type != TYPE_TAPE)
1815 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
1818 sas_enable_tlr(sdev);
1819 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
1820 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
1826 * scsih_slave_configure - device configure routine.
1827 * @sdev: scsi device struct
1829 * Returns 0 if ok. Any other return is assumed to be an error and
1830 * the device is ignored.
1833 scsih_slave_configure(struct scsi_device *sdev)
1835 struct Scsi_Host *shost = sdev->host;
1836 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
1837 struct MPT3SAS_DEVICE *sas_device_priv_data;
1838 struct MPT3SAS_TARGET *sas_target_priv_data;
1839 struct _sas_device *sas_device;
1840 struct _raid_device *raid_device;
1841 unsigned long flags;
1846 u16 handle, volume_handle = 0;
1847 u64 volume_wwid = 0;
1850 sas_device_priv_data = sdev->hostdata;
1851 sas_device_priv_data->configured_lun = 1;
1852 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1853 sas_target_priv_data = sas_device_priv_data->sas_target;
1854 handle = sas_target_priv_data->handle;
1856 /* raid volume handling */
1857 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
1859 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1860 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
1861 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1863 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1864 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1865 __LINE__, __func__));
1869 if (_scsih_get_volume_capabilities(ioc, raid_device)) {
1870 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1871 "failure at %s:%d/%s()!\n", ioc->name, __FILE__,
1872 __LINE__, __func__));
1877 * WARPDRIVE: Initialize the required data for Direct IO
1879 mpt3sas_init_warpdrive_properties(ioc, raid_device);
1881 /* RAID Queue Depth Support
1882 * IS volume = underlying qdepth of drive type, either
1883 * MPT3SAS_SAS_QUEUE_DEPTH or MPT3SAS_SATA_QUEUE_DEPTH
1884 * IM/IME/R10 = 128 (MPT3SAS_RAID_QUEUE_DEPTH)
1886 if (raid_device->device_info &
1887 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1888 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1891 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1892 if (raid_device->device_info &
1893 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1899 switch (raid_device->volume_type) {
1900 case MPI2_RAID_VOL_TYPE_RAID0:
1903 case MPI2_RAID_VOL_TYPE_RAID1E:
1904 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1905 if (ioc->manu_pg10.OEMIdentifier &&
1906 (le32_to_cpu(ioc->manu_pg10.GenericFlags0) &
1907 MFG10_GF0_R10_DISPLAY) &&
1908 !(raid_device->num_pds % 2))
1913 case MPI2_RAID_VOL_TYPE_RAID1:
1914 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1917 case MPI2_RAID_VOL_TYPE_RAID10:
1918 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1921 case MPI2_RAID_VOL_TYPE_UNKNOWN:
1923 qdepth = MPT3SAS_RAID_QUEUE_DEPTH;
1928 if (!ioc->hide_ir_msg)
1929 sdev_printk(KERN_INFO, sdev,
1930 "%s: handle(0x%04x), wwid(0x%016llx),"
1931 " pd_count(%d), type(%s)\n",
1932 r_level, raid_device->handle,
1933 (unsigned long long)raid_device->wwid,
1934 raid_device->num_pds, ds);
1936 if (shost->max_sectors > MPT3SAS_RAID_MAX_SECTORS) {
1937 blk_queue_max_hw_sectors(sdev->request_queue,
1938 MPT3SAS_RAID_MAX_SECTORS);
1939 sdev_printk(KERN_INFO, sdev,
1940 "Set queue's max_sector to: %u\n",
1941 MPT3SAS_RAID_MAX_SECTORS);
1944 scsih_change_queue_depth(sdev, qdepth);
1946 /* raid transport support */
1947 if (!ioc->is_warpdrive)
1948 _scsih_set_level(ioc, sdev, raid_device->volume_type);
1952 /* non-raid handling */
1953 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
1954 if (mpt3sas_config_get_volume_handle(ioc, handle,
1956 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1957 "failure at %s:%d/%s()!\n", ioc->name,
1958 __FILE__, __LINE__, __func__));
1961 if (volume_handle && mpt3sas_config_get_volume_wwid(ioc,
1962 volume_handle, &volume_wwid)) {
1963 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1964 "failure at %s:%d/%s()!\n", ioc->name,
1965 __FILE__, __LINE__, __func__));
1970 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1971 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
1972 sas_device_priv_data->sas_target->sas_address);
1974 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1975 dfailprintk(ioc, pr_warn(MPT3SAS_FMT
1976 "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__,
1981 sas_device->volume_handle = volume_handle;
1982 sas_device->volume_wwid = volume_wwid;
1983 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1984 qdepth = MPT3SAS_SAS_QUEUE_DEPTH;
1986 if (sas_device->device_info &
1987 MPI2_SAS_DEVICE_INFO_SEP) {
1988 sdev_printk(KERN_WARNING, sdev,
1989 "set ignore_delay_remove for handle(0x%04x)\n",
1990 sas_device_priv_data->sas_target->handle);
1991 sas_device_priv_data->ignore_delay_remove = 1;
1996 qdepth = MPT3SAS_SATA_QUEUE_DEPTH;
1997 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
1999 else if (sas_device->device_info &
2000 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
2004 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " \
2005 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
2006 ds, handle, (unsigned long long)sas_device->sas_address,
2007 sas_device->phy, (unsigned long long)sas_device->device_name);
2008 if (sas_device->enclosure_handle != 0)
2009 sdev_printk(KERN_INFO, sdev,
2010 "%s: enclosure_logical_id(0x%016llx), slot(%d)\n",
2011 ds, (unsigned long long)
2012 sas_device->enclosure_logical_id, sas_device->slot);
2013 if (sas_device->connector_name[0] != '\0')
2014 sdev_printk(KERN_INFO, sdev,
2015 "%s: enclosure level(0x%04x), connector name( %s)\n",
2016 ds, sas_device->enclosure_level,
2017 sas_device->connector_name);
2019 sas_device_put(sas_device);
2020 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2023 _scsih_display_sata_capabilities(ioc, handle, sdev);
2026 scsih_change_queue_depth(sdev, qdepth);
2029 sas_read_port_mode_page(sdev);
2030 _scsih_enable_tlr(ioc, sdev);
2037 * scsih_bios_param - fetch head, sector, cylinder info for a disk
2038 * @sdev: scsi device struct
2039 * @bdev: pointer to block device context
2040 * @capacity: device size (in 512 byte sectors)
2041 * @params: three element array to place output:
2042 * params[0] number of heads (max 255)
2043 * params[1] number of sectors (max 63)
2044 * params[2] number of cylinders
2049 scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
2050 sector_t capacity, int params[])
2060 dummy = heads * sectors;
2061 cylinders = capacity;
2062 sector_div(cylinders, dummy);
2065 * Handle extended translation size for logical drives
2068 if ((ulong)capacity >= 0x200000) {
2071 dummy = heads * sectors;
2072 cylinders = capacity;
2073 sector_div(cylinders, dummy);
2078 params[1] = sectors;
2079 params[2] = cylinders;
2085 * _scsih_response_code - translation of device response code
2086 * @ioc: per adapter object
2087 * @response_code: response code returned by the device
2092 _scsih_response_code(struct MPT3SAS_ADAPTER *ioc, u8 response_code)
2096 switch (response_code) {
2097 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2098 desc = "task management request completed";
2100 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2101 desc = "invalid frame";
2103 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2104 desc = "task management request not supported";
2106 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2107 desc = "task management request failed";
2109 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2110 desc = "task management request succeeded";
2112 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2113 desc = "invalid lun";
2116 desc = "overlapped tag attempted";
2118 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2119 desc = "task queued, however not sent to target";
2125 pr_warn(MPT3SAS_FMT "response_code(0x%01x): %s\n",
2126 ioc->name, response_code, desc);
2130 * _scsih_tm_done - tm completion routine
2131 * @ioc: per adapter object
2132 * @smid: system request message index
2133 * @msix_index: MSIX table index supplied by the OS
2134 * @reply: reply message frame(lower 32bit addr)
2137 * The callback handler when using scsih_issue_tm.
2139 * Return 1 meaning mf should be freed from _base_interrupt
2140 * 0 means the mf is freed from this function.
2143 _scsih_tm_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
2145 MPI2DefaultReply_t *mpi_reply;
2147 if (ioc->tm_cmds.status == MPT3_CMD_NOT_USED)
2149 if (ioc->tm_cmds.smid != smid)
2151 ioc->tm_cmds.status |= MPT3_CMD_COMPLETE;
2152 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
2154 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
2155 ioc->tm_cmds.status |= MPT3_CMD_REPLY_VALID;
2157 ioc->tm_cmds.status &= ~MPT3_CMD_PENDING;
2158 complete(&ioc->tm_cmds.done);
2163 * mpt3sas_scsih_set_tm_flag - set per target tm_busy
2164 * @ioc: per adapter object
2165 * @handle: device handle
2167 * During taskmangement request, we need to freeze the device queue.
2170 mpt3sas_scsih_set_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2172 struct MPT3SAS_DEVICE *sas_device_priv_data;
2173 struct scsi_device *sdev;
2176 shost_for_each_device(sdev, ioc->shost) {
2179 sas_device_priv_data = sdev->hostdata;
2180 if (!sas_device_priv_data)
2182 if (sas_device_priv_data->sas_target->handle == handle) {
2183 sas_device_priv_data->sas_target->tm_busy = 1;
2185 ioc->ignore_loginfos = 1;
2191 * mpt3sas_scsih_clear_tm_flag - clear per target tm_busy
2192 * @ioc: per adapter object
2193 * @handle: device handle
2195 * During taskmangement request, we need to freeze the device queue.
2198 mpt3sas_scsih_clear_tm_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
2200 struct MPT3SAS_DEVICE *sas_device_priv_data;
2201 struct scsi_device *sdev;
2204 shost_for_each_device(sdev, ioc->shost) {
2207 sas_device_priv_data = sdev->hostdata;
2208 if (!sas_device_priv_data)
2210 if (sas_device_priv_data->sas_target->handle == handle) {
2211 sas_device_priv_data->sas_target->tm_busy = 0;
2213 ioc->ignore_loginfos = 0;
2219 * mpt3sas_scsih_issue_tm - main routine for sending tm requests
2220 * @ioc: per adapter struct
2221 * @device_handle: device handle
2222 * @channel: the channel assigned by the OS
2223 * @id: the id assigned by the OS
2225 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
2226 * @smid_task: smid assigned to the task
2227 * @timeout: timeout in seconds
2230 * A generic API for sending task management requests to firmware.
2232 * The callback index is set inside `ioc->tm_cb_idx`.
2234 * Return SUCCESS or FAILED.
2237 mpt3sas_scsih_issue_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle, uint channel,
2238 uint id, uint lun, u8 type, u16 smid_task, ulong timeout)
2240 Mpi2SCSITaskManagementRequest_t *mpi_request;
2241 Mpi2SCSITaskManagementReply_t *mpi_reply;
2244 struct scsiio_tracker *scsi_lookup = NULL;
2248 lockdep_assert_held(&ioc->tm_cmds.mutex);
2250 if (ioc->tm_cmds.status != MPT3_CMD_NOT_USED) {
2251 pr_info(MPT3SAS_FMT "%s: tm_cmd busy!!!\n",
2252 __func__, ioc->name);
2256 if (ioc->shost_recovery || ioc->remove_host ||
2257 ioc->pci_error_recovery) {
2258 pr_info(MPT3SAS_FMT "%s: host reset in progress!\n",
2259 __func__, ioc->name);
2263 ioc_state = mpt3sas_base_get_iocstate(ioc, 0);
2264 if (ioc_state & MPI2_DOORBELL_USED) {
2265 dhsprintk(ioc, pr_info(MPT3SAS_FMT
2266 "unexpected doorbell active!\n", ioc->name));
2267 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
2268 return (!rc) ? SUCCESS : FAILED;
2271 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2272 mpt3sas_base_fault_info(ioc, ioc_state &
2273 MPI2_DOORBELL_DATA_MASK);
2274 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
2275 return (!rc) ? SUCCESS : FAILED;
2278 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2280 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
2281 ioc->name, __func__);
2285 if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
2286 scsi_lookup = &ioc->scsi_lookup[smid_task - 1];
2288 dtmprintk(ioc, pr_info(MPT3SAS_FMT
2289 "sending tm: handle(0x%04x), task_type(0x%02x), smid(%d)\n",
2290 ioc->name, handle, type, smid_task));
2291 ioc->tm_cmds.status = MPT3_CMD_PENDING;
2292 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
2293 ioc->tm_cmds.smid = smid;
2294 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2295 memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t));
2296 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2297 mpi_request->DevHandle = cpu_to_le16(handle);
2298 mpi_request->TaskType = type;
2299 mpi_request->TaskMID = cpu_to_le16(smid_task);
2300 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2301 mpt3sas_scsih_set_tm_flag(ioc, handle);
2302 init_completion(&ioc->tm_cmds.done);
2303 if ((type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) &&
2304 (scsi_lookup->msix_io < ioc->reply_queue_count))
2305 msix_task = scsi_lookup->msix_io;
2308 ioc->put_smid_hi_priority(ioc, smid, msix_task);
2309 wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
2310 if (!(ioc->tm_cmds.status & MPT3_CMD_COMPLETE)) {
2311 pr_err(MPT3SAS_FMT "%s: timeout\n",
2312 ioc->name, __func__);
2313 _debug_dump_mf(mpi_request,
2314 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2315 if (!(ioc->tm_cmds.status & MPT3_CMD_RESET)) {
2316 rc = mpt3sas_base_hard_reset_handler(ioc,
2318 rc = (!rc) ? SUCCESS : FAILED;
2323 /* sync IRQs in case those were busy during flush. */
2324 mpt3sas_base_sync_reply_irqs(ioc);
2326 if (ioc->tm_cmds.status & MPT3_CMD_REPLY_VALID) {
2327 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
2328 mpi_reply = ioc->tm_cmds.reply;
2329 dtmprintk(ioc, pr_info(MPT3SAS_FMT "complete tm: " \
2330 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2331 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2332 le32_to_cpu(mpi_reply->IOCLogInfo),
2333 le32_to_cpu(mpi_reply->TerminationCount)));
2334 if (ioc->logging_level & MPT_DEBUG_TM) {
2335 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2336 if (mpi_reply->IOCStatus)
2337 _debug_dump_mf(mpi_request,
2338 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2343 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2345 if (scsi_lookup->scmd == NULL)
2350 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2351 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2356 case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET:
2357 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2358 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2363 case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK:
2372 mpt3sas_scsih_clear_tm_flag(ioc, handle);
2373 ioc->tm_cmds.status = MPT3_CMD_NOT_USED;
2377 int mpt3sas_scsih_issue_locked_tm(struct MPT3SAS_ADAPTER *ioc, u16 handle,
2378 uint channel, uint id, uint lun, u8 type, u16 smid_task, ulong timeout)
2382 mutex_lock(&ioc->tm_cmds.mutex);
2383 ret = mpt3sas_scsih_issue_tm(ioc, handle, channel, id, lun, type,
2384 smid_task, timeout);
2385 mutex_unlock(&ioc->tm_cmds.mutex);
2391 * _scsih_tm_display_info - displays info about the device
2392 * @ioc: per adapter struct
2393 * @scmd: pointer to scsi command object
2395 * Called by task management callback handlers.
2398 _scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2400 struct scsi_target *starget = scmd->device->sdev_target;
2401 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
2402 struct _sas_device *sas_device = NULL;
2403 unsigned long flags;
2404 char *device_str = NULL;
2408 if (ioc->hide_ir_msg)
2409 device_str = "WarpDrive";
2411 device_str = "volume";
2413 scsi_print_command(scmd);
2414 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2415 starget_printk(KERN_INFO, starget,
2416 "%s handle(0x%04x), %s wwid(0x%016llx)\n",
2417 device_str, priv_target->handle,
2418 device_str, (unsigned long long)priv_target->sas_address);
2420 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2421 sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target);
2423 if (priv_target->flags &
2424 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2425 starget_printk(KERN_INFO, starget,
2426 "volume handle(0x%04x), "
2427 "volume wwid(0x%016llx)\n",
2428 sas_device->volume_handle,
2429 (unsigned long long)sas_device->volume_wwid);
2431 starget_printk(KERN_INFO, starget,
2432 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2434 (unsigned long long)sas_device->sas_address,
2436 if (sas_device->enclosure_handle != 0)
2437 starget_printk(KERN_INFO, starget,
2438 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2439 (unsigned long long)
2440 sas_device->enclosure_logical_id,
2442 if (sas_device->connector_name[0] != '\0')
2443 starget_printk(KERN_INFO, starget,
2444 "enclosure level(0x%04x),connector name(%s)\n",
2445 sas_device->enclosure_level,
2446 sas_device->connector_name);
2448 sas_device_put(sas_device);
2450 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2455 * scsih_abort - eh threads main abort routine
2456 * @scmd: pointer to scsi command object
2458 * Returns SUCCESS if command aborted else FAILED
2461 scsih_abort(struct scsi_cmnd *scmd)
2463 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2464 struct MPT3SAS_DEVICE *sas_device_priv_data;
2469 sdev_printk(KERN_INFO, scmd->device,
2470 "attempting task abort! scmd(%p)\n", scmd);
2471 _scsih_tm_display_info(ioc, scmd);
2473 sas_device_priv_data = scmd->device->hostdata;
2474 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
2476 sdev_printk(KERN_INFO, scmd->device,
2477 "device been deleted! scmd(%p)\n", scmd);
2478 scmd->result = DID_NO_CONNECT << 16;
2479 scmd->scsi_done(scmd);
2484 /* search for the command */
2485 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2487 scmd->result = DID_RESET << 16;
2492 /* for hidden raid components and volumes this is not supported */
2493 if (sas_device_priv_data->sas_target->flags &
2494 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2495 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2496 scmd->result = DID_RESET << 16;
2501 mpt3sas_halt_firmware(ioc);
2503 handle = sas_device_priv_data->sas_target->handle;
2504 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
2505 scmd->device->id, scmd->device->lun,
2506 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30);
2509 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2510 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2515 * scsih_dev_reset - eh threads main device reset routine
2516 * @scmd: pointer to scsi command object
2518 * Returns SUCCESS if command aborted else FAILED
2521 scsih_dev_reset(struct scsi_cmnd *scmd)
2523 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2524 struct MPT3SAS_DEVICE *sas_device_priv_data;
2525 struct _sas_device *sas_device = NULL;
2529 struct scsi_target *starget = scmd->device->sdev_target;
2530 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
2532 sdev_printk(KERN_INFO, scmd->device,
2533 "attempting device reset! scmd(%p)\n", scmd);
2534 _scsih_tm_display_info(ioc, scmd);
2536 sas_device_priv_data = scmd->device->hostdata;
2537 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
2539 sdev_printk(KERN_INFO, scmd->device,
2540 "device been deleted! scmd(%p)\n", scmd);
2541 scmd->result = DID_NO_CONNECT << 16;
2542 scmd->scsi_done(scmd);
2547 /* for hidden raid components obtain the volume_handle */
2549 if (sas_device_priv_data->sas_target->flags &
2550 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2551 sas_device = mpt3sas_get_sdev_from_target(ioc,
2554 handle = sas_device->volume_handle;
2556 handle = sas_device_priv_data->sas_target->handle;
2559 scmd->result = DID_RESET << 16;
2564 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
2565 scmd->device->id, scmd->device->lun,
2566 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30);
2569 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2570 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2573 sas_device_put(sas_device);
2579 * scsih_target_reset - eh threads main target reset routine
2580 * @scmd: pointer to scsi command object
2582 * Returns SUCCESS if command aborted else FAILED
2585 scsih_target_reset(struct scsi_cmnd *scmd)
2587 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2588 struct MPT3SAS_DEVICE *sas_device_priv_data;
2589 struct _sas_device *sas_device = NULL;
2592 struct scsi_target *starget = scmd->device->sdev_target;
2593 struct MPT3SAS_TARGET *target_priv_data = starget->hostdata;
2595 starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n",
2597 _scsih_tm_display_info(ioc, scmd);
2599 sas_device_priv_data = scmd->device->hostdata;
2600 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
2602 starget_printk(KERN_INFO, starget, "target been deleted! scmd(%p)\n",
2604 scmd->result = DID_NO_CONNECT << 16;
2605 scmd->scsi_done(scmd);
2610 /* for hidden raid components obtain the volume_handle */
2612 if (sas_device_priv_data->sas_target->flags &
2613 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2614 sas_device = mpt3sas_get_sdev_from_target(ioc,
2617 handle = sas_device->volume_handle;
2619 handle = sas_device_priv_data->sas_target->handle;
2622 scmd->result = DID_RESET << 16;
2627 r = mpt3sas_scsih_issue_locked_tm(ioc, handle, scmd->device->channel,
2628 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
2632 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2633 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2636 sas_device_put(sas_device);
2643 * scsih_host_reset - eh threads main host reset routine
2644 * @scmd: pointer to scsi command object
2646 * Returns SUCCESS if command aborted else FAILED
2649 scsih_host_reset(struct scsi_cmnd *scmd)
2651 struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2654 pr_info(MPT3SAS_FMT "attempting host reset! scmd(%p)\n",
2656 scsi_print_command(scmd);
2658 if (ioc->is_driver_loading || ioc->remove_host) {
2659 pr_info(MPT3SAS_FMT "Blocking the host reset\n",
2665 retval = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
2666 r = (retval < 0) ? FAILED : SUCCESS;
2668 pr_info(MPT3SAS_FMT "host reset: %s scmd(%p)\n",
2669 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2675 * _scsih_fw_event_add - insert and queue up fw_event
2676 * @ioc: per adapter object
2677 * @fw_event: object describing the event
2678 * Context: This function will acquire ioc->fw_event_lock.
2680 * This adds the firmware event object into link list, then queues it up to
2681 * be processed from user context.
2686 _scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2688 unsigned long flags;
2690 if (ioc->firmware_event_thread == NULL)
2693 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2694 fw_event_work_get(fw_event);
2695 INIT_LIST_HEAD(&fw_event->list);
2696 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2697 INIT_WORK(&fw_event->work, _firmware_event_work);
2698 fw_event_work_get(fw_event);
2699 queue_work(ioc->firmware_event_thread, &fw_event->work);
2700 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2704 * _scsih_fw_event_del_from_list - delete fw_event from the list
2705 * @ioc: per adapter object
2706 * @fw_event: object describing the event
2707 * Context: This function will acquire ioc->fw_event_lock.
2709 * If the fw_event is on the fw_event_list, remove it and do a put.
2714 _scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work
2717 unsigned long flags;
2719 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2720 if (!list_empty(&fw_event->list)) {
2721 list_del_init(&fw_event->list);
2722 fw_event_work_put(fw_event);
2724 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2729 * mpt3sas_send_trigger_data_event - send event for processing trigger data
2730 * @ioc: per adapter object
2731 * @event_data: trigger event data
2736 mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc,
2737 struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data)
2739 struct fw_event_work *fw_event;
2742 if (ioc->is_driver_loading)
2744 sz = sizeof(*event_data);
2745 fw_event = alloc_fw_event_work(sz);
2748 fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG;
2749 fw_event->ioc = ioc;
2750 memcpy(fw_event->event_data, event_data, sizeof(*event_data));
2751 _scsih_fw_event_add(ioc, fw_event);
2752 fw_event_work_put(fw_event);
2756 * _scsih_error_recovery_delete_devices - remove devices not responding
2757 * @ioc: per adapter object
2762 _scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc)
2764 struct fw_event_work *fw_event;
2766 if (ioc->is_driver_loading)
2768 fw_event = alloc_fw_event_work(0);
2771 fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES;
2772 fw_event->ioc = ioc;
2773 _scsih_fw_event_add(ioc, fw_event);
2774 fw_event_work_put(fw_event);
2778 * mpt3sas_port_enable_complete - port enable completed (fake event)
2779 * @ioc: per adapter object
2784 mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc)
2786 struct fw_event_work *fw_event;
2788 fw_event = alloc_fw_event_work(0);
2791 fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE;
2792 fw_event->ioc = ioc;
2793 _scsih_fw_event_add(ioc, fw_event);
2794 fw_event_work_put(fw_event);
2797 static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc)
2799 unsigned long flags;
2800 struct fw_event_work *fw_event = NULL;
2802 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2803 if (!list_empty(&ioc->fw_event_list)) {
2804 fw_event = list_first_entry(&ioc->fw_event_list,
2805 struct fw_event_work, list);
2806 list_del_init(&fw_event->list);
2808 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2814 * _scsih_fw_event_cleanup_queue - cleanup event queue
2815 * @ioc: per adapter object
2817 * Walk the firmware event queue, either killing timers, or waiting
2818 * for outstanding events to complete
2823 _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc)
2825 struct fw_event_work *fw_event;
2827 if (list_empty(&ioc->fw_event_list) ||
2828 !ioc->firmware_event_thread || in_interrupt())
2831 while ((fw_event = dequeue_next_fw_event(ioc))) {
2833 * Wait on the fw_event to complete. If this returns 1, then
2834 * the event was never executed, and we need a put for the
2835 * reference the work had on the fw_event.
2837 * If it did execute, we wait for it to finish, and the put will
2838 * happen from _firmware_event_work()
2840 if (cancel_work_sync(&fw_event->work))
2841 fw_event_work_put(fw_event);
2843 fw_event_work_put(fw_event);
2848 * _scsih_internal_device_block - block the sdev device
2849 * @sdev: per device object
2850 * @sas_device_priv_data : per device driver private data
2852 * make sure device is blocked without error, if not
2856 _scsih_internal_device_block(struct scsi_device *sdev,
2857 struct MPT3SAS_DEVICE *sas_device_priv_data)
2861 sdev_printk(KERN_INFO, sdev, "device_block, handle(0x%04x)\n",
2862 sas_device_priv_data->sas_target->handle);
2863 sas_device_priv_data->block = 1;
2865 r = scsi_internal_device_block_nowait(sdev);
2867 sdev_printk(KERN_WARNING, sdev,
2868 "device_block failed with return(%d) for handle(0x%04x)\n",
2869 r, sas_device_priv_data->sas_target->handle);
2873 * _scsih_internal_device_unblock - unblock the sdev device
2874 * @sdev: per device object
2875 * @sas_device_priv_data : per device driver private data
2876 * make sure device is unblocked without error, if not retry
2877 * by blocking and then unblocking
2881 _scsih_internal_device_unblock(struct scsi_device *sdev,
2882 struct MPT3SAS_DEVICE *sas_device_priv_data)
2886 sdev_printk(KERN_WARNING, sdev, "device_unblock and setting to running, "
2887 "handle(0x%04x)\n", sas_device_priv_data->sas_target->handle);
2888 sas_device_priv_data->block = 0;
2889 r = scsi_internal_device_unblock_nowait(sdev, SDEV_RUNNING);
2891 /* The device has been set to SDEV_RUNNING by SD layer during
2892 * device addition but the request queue is still stopped by
2893 * our earlier block call. We need to perform a block again
2894 * to get the device to SDEV_BLOCK and then to SDEV_RUNNING */
2896 sdev_printk(KERN_WARNING, sdev,
2897 "device_unblock failed with return(%d) for handle(0x%04x) "
2898 "performing a block followed by an unblock\n",
2899 r, sas_device_priv_data->sas_target->handle);
2900 sas_device_priv_data->block = 1;
2901 r = scsi_internal_device_block_nowait(sdev);
2903 sdev_printk(KERN_WARNING, sdev, "retried device_block "
2904 "failed with return(%d) for handle(0x%04x)\n",
2905 r, sas_device_priv_data->sas_target->handle);
2907 sas_device_priv_data->block = 0;
2908 r = scsi_internal_device_unblock_nowait(sdev, SDEV_RUNNING);
2910 sdev_printk(KERN_WARNING, sdev, "retried device_unblock"
2911 " failed with return(%d) for handle(0x%04x)\n",
2912 r, sas_device_priv_data->sas_target->handle);
2917 * _scsih_ublock_io_all_device - unblock every device
2918 * @ioc: per adapter object
2920 * change the device state from block to running
2923 _scsih_ublock_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2925 struct MPT3SAS_DEVICE *sas_device_priv_data;
2926 struct scsi_device *sdev;
2928 shost_for_each_device(sdev, ioc->shost) {
2929 sas_device_priv_data = sdev->hostdata;
2930 if (!sas_device_priv_data)
2932 if (!sas_device_priv_data->block)
2935 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2936 "device_running, handle(0x%04x)\n",
2937 sas_device_priv_data->sas_target->handle));
2938 _scsih_internal_device_unblock(sdev, sas_device_priv_data);
2944 * _scsih_ublock_io_device - prepare device to be deleted
2945 * @ioc: per adapter object
2946 * @sas_addr: sas address
2948 * unblock then put device in offline state
2951 _scsih_ublock_io_device(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
2953 struct MPT3SAS_DEVICE *sas_device_priv_data;
2954 struct scsi_device *sdev;
2956 shost_for_each_device(sdev, ioc->shost) {
2957 sas_device_priv_data = sdev->hostdata;
2958 if (!sas_device_priv_data)
2960 if (sas_device_priv_data->sas_target->sas_address
2963 if (sas_device_priv_data->block)
2964 _scsih_internal_device_unblock(sdev,
2965 sas_device_priv_data);
2970 * _scsih_block_io_all_device - set the device state to SDEV_BLOCK
2971 * @ioc: per adapter object
2972 * @handle: device handle
2974 * During device pull we need to appropriately set the sdev state.
2977 _scsih_block_io_all_device(struct MPT3SAS_ADAPTER *ioc)
2979 struct MPT3SAS_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->ignore_delay_remove) {
2989 sdev_printk(KERN_INFO, sdev,
2990 "%s skip device_block for SES handle(0x%04x)\n",
2991 __func__, sas_device_priv_data->sas_target->handle);
2994 _scsih_internal_device_block(sdev, sas_device_priv_data);
2999 * _scsih_block_io_device - set the device state to SDEV_BLOCK
3000 * @ioc: per adapter object
3001 * @handle: device handle
3003 * During device pull we need to appropriately set the sdev state.
3006 _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3008 struct MPT3SAS_DEVICE *sas_device_priv_data;
3009 struct scsi_device *sdev;
3010 struct _sas_device *sas_device;
3012 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
3016 shost_for_each_device(sdev, ioc->shost) {
3017 sas_device_priv_data = sdev->hostdata;
3018 if (!sas_device_priv_data)
3020 if (sas_device_priv_data->sas_target->handle != handle)
3022 if (sas_device_priv_data->block)
3024 if (sas_device->pend_sas_rphy_add)
3026 if (sas_device_priv_data->ignore_delay_remove) {
3027 sdev_printk(KERN_INFO, sdev,
3028 "%s skip device_block for SES handle(0x%04x)\n",
3029 __func__, sas_device_priv_data->sas_target->handle);
3032 _scsih_internal_device_block(sdev, sas_device_priv_data);
3035 sas_device_put(sas_device);
3039 * _scsih_block_io_to_children_attached_to_ex
3040 * @ioc: per adapter object
3041 * @sas_expander: the sas_device object
3043 * This routine set sdev state to SDEV_BLOCK for all devices
3044 * attached to this expander. This function called when expander is
3048 _scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc,
3049 struct _sas_node *sas_expander)
3051 struct _sas_port *mpt3sas_port;
3052 struct _sas_device *sas_device;
3053 struct _sas_node *expander_sibling;
3054 unsigned long flags;
3059 list_for_each_entry(mpt3sas_port,
3060 &sas_expander->sas_port_list, port_list) {
3061 if (mpt3sas_port->remote_identify.device_type ==
3063 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3064 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
3065 mpt3sas_port->remote_identify.sas_address);
3067 set_bit(sas_device->handle,
3068 ioc->blocking_handles);
3069 sas_device_put(sas_device);
3071 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3075 list_for_each_entry(mpt3sas_port,
3076 &sas_expander->sas_port_list, port_list) {
3078 if (mpt3sas_port->remote_identify.device_type ==
3079 SAS_EDGE_EXPANDER_DEVICE ||
3080 mpt3sas_port->remote_identify.device_type ==
3081 SAS_FANOUT_EXPANDER_DEVICE) {
3083 mpt3sas_scsih_expander_find_by_sas_address(
3084 ioc, mpt3sas_port->remote_identify.sas_address);
3085 _scsih_block_io_to_children_attached_to_ex(ioc,
3092 * _scsih_block_io_to_children_attached_directly
3093 * @ioc: per adapter object
3094 * @event_data: topology change event data
3096 * This routine set sdev state to SDEV_BLOCK for all devices
3097 * direct attached during device pull.
3100 _scsih_block_io_to_children_attached_directly(struct MPT3SAS_ADAPTER *ioc,
3101 Mpi2EventDataSasTopologyChangeList_t *event_data)
3107 for (i = 0; i < event_data->NumEntries; i++) {
3108 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3111 reason_code = event_data->PHY[i].PhyStatus &
3112 MPI2_EVENT_SAS_TOPO_RC_MASK;
3113 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
3114 _scsih_block_io_device(ioc, handle);
3119 * _scsih_tm_tr_send - send task management request
3120 * @ioc: per adapter object
3121 * @handle: device handle
3122 * Context: interrupt time.
3124 * This code is to initiate the device removal handshake protocol
3125 * with controller firmware. This function will issue target reset
3126 * using high priority request queue. It will send a sas iounit
3127 * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
3129 * This is designed to send muliple task management request at the same
3130 * time to the fifo. If the fifo is full, we will append the request,
3131 * and process it in a future completion.
3134 _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3136 Mpi2SCSITaskManagementRequest_t *mpi_request;
3138 struct _sas_device *sas_device = NULL;
3139 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
3140 u64 sas_address = 0;
3141 unsigned long flags;
3142 struct _tr_list *delayed_tr;
3145 if (ioc->remove_host) {
3146 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3147 "%s: host has been removed: handle(0x%04x)\n",
3148 __func__, ioc->name, handle));
3150 } else if (ioc->pci_error_recovery) {
3151 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3152 "%s: host in pci error recovery: handle(0x%04x)\n",
3153 __func__, ioc->name,
3157 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3158 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3159 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3160 "%s: host is not operational: handle(0x%04x)\n",
3161 __func__, ioc->name,
3166 /* if PD, then return */
3167 if (test_bit(handle, ioc->pd_handles))
3170 clear_bit(handle, ioc->pend_os_device_add);
3172 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3173 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
3174 if (sas_device && sas_device->starget &&
3175 sas_device->starget->hostdata) {
3176 sas_target_priv_data = sas_device->starget->hostdata;
3177 sas_target_priv_data->deleted = 1;
3178 sas_address = sas_device->sas_address;
3180 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3182 if (sas_target_priv_data) {
3183 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3184 "setting delete flag: handle(0x%04x), sas_addr(0x%016llx)\n",
3186 (unsigned long long)sas_address));
3187 if (sas_device->enclosure_handle != 0)
3188 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3189 "setting delete flag:enclosure logical id(0x%016llx),"
3190 " slot(%d)\n", ioc->name, (unsigned long long)
3191 sas_device->enclosure_logical_id,
3193 if (sas_device->connector_name[0] != '\0')
3194 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3195 "setting delete flag: enclosure level(0x%04x),"
3196 " connector name( %s)\n", ioc->name,
3197 sas_device->enclosure_level,
3198 sas_device->connector_name));
3199 _scsih_ublock_io_device(ioc, sas_address);
3200 sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE;
3203 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
3205 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3208 INIT_LIST_HEAD(&delayed_tr->list);
3209 delayed_tr->handle = handle;
3210 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3211 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3212 "DELAYED:tr:handle(0x%04x), (open)\n",
3213 ioc->name, handle));
3217 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3218 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3219 ioc->name, handle, smid,
3220 ioc->tm_tr_cb_idx));
3221 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3222 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3223 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3224 mpi_request->DevHandle = cpu_to_le16(handle);
3225 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3226 set_bit(handle, ioc->device_remove_in_progress);
3227 ioc->put_smid_hi_priority(ioc, smid, 0);
3228 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL);
3232 sas_device_put(sas_device);
3236 * _scsih_tm_tr_complete -
3237 * @ioc: per adapter object
3238 * @smid: system request message index
3239 * @msix_index: MSIX table index supplied by the OS
3240 * @reply: reply message frame(lower 32bit addr)
3241 * Context: interrupt time.
3243 * This is the target reset completion routine.
3244 * This code is part of the code to initiate the device removal
3245 * handshake protocol with controller firmware.
3246 * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE)
3248 * Return 1 meaning mf should be freed from _base_interrupt
3249 * 0 means the mf is freed from this function.
3252 _scsih_tm_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
3256 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3257 Mpi2SCSITaskManagementReply_t *mpi_reply =
3258 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3259 Mpi2SasIoUnitControlRequest_t *mpi_request;
3262 struct _sc_list *delayed_sc;
3264 if (ioc->remove_host) {
3265 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3266 "%s: host has been removed\n", __func__, ioc->name));
3268 } else if (ioc->pci_error_recovery) {
3269 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3270 "%s: host in pci error recovery\n", __func__,
3274 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3275 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3276 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3277 "%s: host is not operational\n", __func__, ioc->name));
3280 if (unlikely(!mpi_reply)) {
3281 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3282 ioc->name, __FILE__, __LINE__, __func__);
3285 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3286 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3287 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3288 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3289 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3291 le16_to_cpu(mpi_reply->DevHandle), smid));
3295 mpt3sas_trigger_master(ioc, MASTER_TRIGGER_TASK_MANAGMENT);
3296 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3297 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3298 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3299 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3300 le32_to_cpu(mpi_reply->IOCLogInfo),
3301 le32_to_cpu(mpi_reply->TerminationCount)));
3303 smid_sas_ctrl = mpt3sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
3304 if (!smid_sas_ctrl) {
3305 delayed_sc = kzalloc(sizeof(*delayed_sc), GFP_ATOMIC);
3307 return _scsih_check_for_pending_tm(ioc, smid);
3308 INIT_LIST_HEAD(&delayed_sc->list);
3309 delayed_sc->handle = mpi_request_tm->DevHandle;
3310 list_add_tail(&delayed_sc->list, &ioc->delayed_sc_list);
3311 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3312 "DELAYED:sc:handle(0x%04x), (open)\n",
3313 ioc->name, handle));
3314 return _scsih_check_for_pending_tm(ioc, smid);
3317 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3318 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3319 ioc->name, handle, smid_sas_ctrl,
3320 ioc->tm_sas_control_cb_idx));
3321 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid_sas_ctrl);
3322 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3323 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3324 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3325 mpi_request->DevHandle = mpi_request_tm->DevHandle;
3326 ioc->put_smid_default(ioc, smid_sas_ctrl);
3328 return _scsih_check_for_pending_tm(ioc, smid);
3333 * _scsih_sas_control_complete - completion routine
3334 * @ioc: per adapter object
3335 * @smid: system request message index
3336 * @msix_index: MSIX table index supplied by the OS
3337 * @reply: reply message frame(lower 32bit addr)
3338 * Context: interrupt time.
3340 * This is the sas iounit control completion routine.
3341 * This code is part of the code to initiate the device removal
3342 * handshake protocol with controller firmware.
3344 * Return 1 meaning mf should be freed from _base_interrupt
3345 * 0 means the mf is freed from this function.
3348 _scsih_sas_control_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3349 u8 msix_index, u32 reply)
3351 Mpi2SasIoUnitControlReply_t *mpi_reply =
3352 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3354 if (likely(mpi_reply)) {
3355 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3356 "sc_complete:handle(0x%04x), (open) "
3357 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
3358 ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
3359 le16_to_cpu(mpi_reply->IOCStatus),
3360 le32_to_cpu(mpi_reply->IOCLogInfo)));
3361 if (le16_to_cpu(mpi_reply->IOCStatus) ==
3362 MPI2_IOCSTATUS_SUCCESS) {
3363 clear_bit(le16_to_cpu(mpi_reply->DevHandle),
3364 ioc->device_remove_in_progress);
3367 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3368 ioc->name, __FILE__, __LINE__, __func__);
3370 return mpt3sas_check_for_pending_internal_cmds(ioc, smid);
3374 * _scsih_tm_tr_volume_send - send target reset request for volumes
3375 * @ioc: per adapter object
3376 * @handle: device handle
3377 * Context: interrupt time.
3379 * This is designed to send muliple task management request at the same
3380 * time to the fifo. If the fifo is full, we will append the request,
3381 * and process it in a future completion.
3384 _scsih_tm_tr_volume_send(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3386 Mpi2SCSITaskManagementRequest_t *mpi_request;
3388 struct _tr_list *delayed_tr;
3390 if (ioc->shost_recovery || ioc->remove_host ||
3391 ioc->pci_error_recovery) {
3392 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3393 "%s: host reset in progress!\n",
3394 __func__, ioc->name));
3398 smid = mpt3sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
3400 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3403 INIT_LIST_HEAD(&delayed_tr->list);
3404 delayed_tr->handle = handle;
3405 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
3406 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3407 "DELAYED:tr:handle(0x%04x), (open)\n",
3408 ioc->name, handle));
3412 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3413 "tr_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3414 ioc->name, handle, smid,
3415 ioc->tm_tr_volume_cb_idx));
3416 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3417 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
3418 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3419 mpi_request->DevHandle = cpu_to_le16(handle);
3420 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3421 ioc->put_smid_hi_priority(ioc, smid, 0);
3425 * _scsih_tm_volume_tr_complete - target reset completion
3426 * @ioc: per adapter object
3427 * @smid: system request message index
3428 * @msix_index: MSIX table index supplied by the OS
3429 * @reply: reply message frame(lower 32bit addr)
3430 * Context: interrupt time.
3432 * Return 1 meaning mf should be freed from _base_interrupt
3433 * 0 means the mf is freed from this function.
3436 _scsih_tm_volume_tr_complete(struct MPT3SAS_ADAPTER *ioc, u16 smid,
3437 u8 msix_index, u32 reply)
3440 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
3441 Mpi2SCSITaskManagementReply_t *mpi_reply =
3442 mpt3sas_base_get_reply_virt_addr(ioc, reply);
3444 if (ioc->shost_recovery || ioc->remove_host ||
3445 ioc->pci_error_recovery) {
3446 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3447 "%s: host reset in progress!\n",
3448 __func__, ioc->name));
3451 if (unlikely(!mpi_reply)) {
3452 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
3453 ioc->name, __FILE__, __LINE__, __func__);
3457 mpi_request_tm = mpt3sas_base_get_msg_frame(ioc, smid);
3458 handle = le16_to_cpu(mpi_request_tm->DevHandle);
3459 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
3460 dewtprintk(ioc, pr_err(MPT3SAS_FMT
3461 "spurious interrupt: handle(0x%04x:0x%04x), smid(%d)!!!\n",
3463 le16_to_cpu(mpi_reply->DevHandle), smid));
3467 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3468 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
3469 "loginfo(0x%08x), completed(%d)\n", ioc->name,
3470 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
3471 le32_to_cpu(mpi_reply->IOCLogInfo),
3472 le32_to_cpu(mpi_reply->TerminationCount)));
3474 return _scsih_check_for_pending_tm(ioc, smid);
3478 * _scsih_issue_delayed_event_ack - issue delayed Event ACK messages
3479 * @ioc: per adapter object
3480 * @smid: system request message index
3482 * @event_context: used to track events uniquely
3484 * Context - processed in interrupt context.
3487 _scsih_issue_delayed_event_ack(struct MPT3SAS_ADAPTER *ioc, u16 smid, u16 event,
3490 Mpi2EventAckRequest_t *ack_request;
3491 int i = smid - ioc->internal_smid;
3492 unsigned long flags;
3494 /* Without releasing the smid just update the
3495 * call back index and reuse the same smid for
3496 * processing this delayed request
3498 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3499 ioc->internal_lookup[i].cb_idx = ioc->base_cb_idx;
3500 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3502 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3503 "EVENT ACK: event(0x%04x), smid(%d), cb(%d)\n",
3504 ioc->name, le16_to_cpu(event), smid,
3506 ack_request = mpt3sas_base_get_msg_frame(ioc, smid);
3507 memset(ack_request, 0, sizeof(Mpi2EventAckRequest_t));
3508 ack_request->Function = MPI2_FUNCTION_EVENT_ACK;
3509 ack_request->Event = event;
3510 ack_request->EventContext = event_context;
3511 ack_request->VF_ID = 0; /* TODO */
3512 ack_request->VP_ID = 0;
3513 ioc->put_smid_default(ioc, smid);
3517 * _scsih_issue_delayed_sas_io_unit_ctrl - issue delayed
3518 * sas_io_unit_ctrl messages
3519 * @ioc: per adapter object
3520 * @smid: system request message index
3521 * @handle: device handle
3523 * Context - processed in interrupt context.
3526 _scsih_issue_delayed_sas_io_unit_ctrl(struct MPT3SAS_ADAPTER *ioc,
3527 u16 smid, u16 handle)
3529 Mpi2SasIoUnitControlRequest_t *mpi_request;
3531 int i = smid - ioc->internal_smid;
3532 unsigned long flags;
3534 if (ioc->remove_host) {
3535 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3536 "%s: host has been removed\n",
3537 __func__, ioc->name));
3539 } else if (ioc->pci_error_recovery) {
3540 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3541 "%s: host in pci error recovery\n",
3542 __func__, ioc->name));
3545 ioc_state = mpt3sas_base_get_iocstate(ioc, 1);
3546 if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
3547 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3548 "%s: host is not operational\n",
3549 __func__, ioc->name));
3553 /* Without releasing the smid just update the
3554 * call back index and reuse the same smid for
3555 * processing this delayed request
3557 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
3558 ioc->internal_lookup[i].cb_idx = ioc->tm_sas_control_cb_idx;
3559 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
3561 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3562 "sc_send:handle(0x%04x), (open), smid(%d), cb(%d)\n",
3563 ioc->name, le16_to_cpu(handle), smid,
3564 ioc->tm_sas_control_cb_idx));
3565 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
3566 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
3567 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
3568 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
3569 mpi_request->DevHandle = handle;
3570 ioc->put_smid_default(ioc, smid);
3574 * _scsih_check_for_pending_internal_cmds - check for pending internal messages
3575 * @ioc: per adapter object
3576 * @smid: system request message index
3578 * Context: Executed in interrupt context
3580 * This will check delayed internal messages list, and process the
3583 * Return 1 meaning mf should be freed from _base_interrupt
3584 * 0 means the mf is freed from this function.
3587 mpt3sas_check_for_pending_internal_cmds(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3589 struct _sc_list *delayed_sc;
3590 struct _event_ack_list *delayed_event_ack;
3592 if (!list_empty(&ioc->delayed_event_ack_list)) {
3593 delayed_event_ack = list_entry(ioc->delayed_event_ack_list.next,
3594 struct _event_ack_list, list);
3595 _scsih_issue_delayed_event_ack(ioc, smid,
3596 delayed_event_ack->Event, delayed_event_ack->EventContext);
3597 list_del(&delayed_event_ack->list);
3598 kfree(delayed_event_ack);
3602 if (!list_empty(&ioc->delayed_sc_list)) {
3603 delayed_sc = list_entry(ioc->delayed_sc_list.next,
3604 struct _sc_list, list);
3605 _scsih_issue_delayed_sas_io_unit_ctrl(ioc, smid,
3606 delayed_sc->handle);
3607 list_del(&delayed_sc->list);
3615 * _scsih_check_for_pending_tm - check for pending task management
3616 * @ioc: per adapter object
3617 * @smid: system request message index
3619 * This will check delayed target reset list, and feed the
3622 * Return 1 meaning mf should be freed from _base_interrupt
3623 * 0 means the mf is freed from this function.
3626 _scsih_check_for_pending_tm(struct MPT3SAS_ADAPTER *ioc, u16 smid)
3628 struct _tr_list *delayed_tr;
3630 if (!list_empty(&ioc->delayed_tr_volume_list)) {
3631 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
3632 struct _tr_list, list);
3633 mpt3sas_base_free_smid(ioc, smid);
3634 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
3635 list_del(&delayed_tr->list);
3640 if (!list_empty(&ioc->delayed_tr_list)) {
3641 delayed_tr = list_entry(ioc->delayed_tr_list.next,
3642 struct _tr_list, list);
3643 mpt3sas_base_free_smid(ioc, smid);
3644 _scsih_tm_tr_send(ioc, delayed_tr->handle);
3645 list_del(&delayed_tr->list);
3654 * _scsih_check_topo_delete_events - sanity check on topo events
3655 * @ioc: per adapter object
3656 * @event_data: the event data payload
3658 * This routine added to better handle cable breaker.
3660 * This handles the case where driver receives multiple expander
3661 * add and delete events in a single shot. When there is a delete event
3662 * the routine will void any pending add events waiting in the event queue.
3667 _scsih_check_topo_delete_events(struct MPT3SAS_ADAPTER *ioc,
3668 Mpi2EventDataSasTopologyChangeList_t *event_data)
3670 struct fw_event_work *fw_event;
3671 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
3672 u16 expander_handle;
3673 struct _sas_node *sas_expander;
3674 unsigned long flags;
3678 for (i = 0 ; i < event_data->NumEntries; i++) {
3679 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
3682 reason_code = event_data->PHY[i].PhyStatus &
3683 MPI2_EVENT_SAS_TOPO_RC_MASK;
3684 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
3685 _scsih_tm_tr_send(ioc, handle);
3688 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
3689 if (expander_handle < ioc->sas_hba.num_phys) {
3690 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3693 if (event_data->ExpStatus ==
3694 MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) {
3695 /* put expander attached devices into blocking state */
3696 spin_lock_irqsave(&ioc->sas_node_lock, flags);
3697 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
3699 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
3700 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
3702 handle = find_first_bit(ioc->blocking_handles,
3703 ioc->facts.MaxDevHandle);
3704 if (handle < ioc->facts.MaxDevHandle)
3705 _scsih_block_io_device(ioc, handle);
3706 } while (test_and_clear_bit(handle, ioc->blocking_handles));
3707 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
3708 _scsih_block_io_to_children_attached_directly(ioc, event_data);
3710 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
3713 /* mark ignore flag for pending events */
3714 spin_lock_irqsave(&ioc->fw_event_lock, flags);
3715 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
3716 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
3719 local_event_data = (Mpi2EventDataSasTopologyChangeList_t *)
3720 fw_event->event_data;
3721 if (local_event_data->ExpStatus ==
3722 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3723 local_event_data->ExpStatus ==
3724 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3725 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3727 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3728 "setting ignoring flag\n", ioc->name));
3729 fw_event->ignore = 1;
3733 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3737 * _scsih_set_volume_delete_flag - setting volume delete flag
3738 * @ioc: per adapter object
3739 * @handle: device handle
3741 * This returns nothing.
3744 _scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle)
3746 struct _raid_device *raid_device;
3747 struct MPT3SAS_TARGET *sas_target_priv_data;
3748 unsigned long flags;
3750 spin_lock_irqsave(&ioc->raid_device_lock, flags);
3751 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
3752 if (raid_device && raid_device->starget &&
3753 raid_device->starget->hostdata) {
3754 sas_target_priv_data =
3755 raid_device->starget->hostdata;
3756 sas_target_priv_data->deleted = 1;
3757 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3758 "setting delete flag: handle(0x%04x), "
3759 "wwid(0x%016llx)\n", ioc->name, handle,
3760 (unsigned long long) raid_device->wwid));
3762 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3766 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3767 * @handle: input handle
3768 * @a: handle for volume a
3769 * @b: handle for volume b
3771 * IR firmware only supports two raid volumes. The purpose of this
3772 * routine is to set the volume handle in either a or b. When the given
3773 * input handle is non-zero, or when a and b have not been set before.
3776 _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3778 if (!handle || handle == *a || handle == *b)
3787 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3788 * @ioc: per adapter object
3789 * @event_data: the event data payload
3790 * Context: interrupt time.
3792 * This routine will send target reset to volume, followed by target
3793 * resets to the PDs. This is called when a PD has been removed, or
3794 * volume has been deleted or removed. When the target reset is sent
3795 * to volume, the PD target resets need to be queued to start upon
3796 * completion of the volume target reset.
3801 _scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc,
3802 Mpi2EventDataIrConfigChangeList_t *event_data)
3804 Mpi2EventIrConfigElement_t *element;
3806 u16 handle, volume_handle, a, b;
3807 struct _tr_list *delayed_tr;
3812 if (ioc->is_warpdrive)
3815 /* Volume Resets for Deleted or Removed */
3816 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3817 for (i = 0; i < event_data->NumElements; i++, element++) {
3818 if (le32_to_cpu(event_data->Flags) &
3819 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3821 if (element->ReasonCode ==
3822 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3823 element->ReasonCode ==
3824 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3825 volume_handle = le16_to_cpu(element->VolDevHandle);
3826 _scsih_set_volume_delete_flag(ioc, volume_handle);
3827 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3831 /* Volume Resets for UNHIDE events */
3832 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3833 for (i = 0; i < event_data->NumElements; i++, element++) {
3834 if (le32_to_cpu(event_data->Flags) &
3835 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3837 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3838 volume_handle = le16_to_cpu(element->VolDevHandle);
3839 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3844 _scsih_tm_tr_volume_send(ioc, a);
3846 _scsih_tm_tr_volume_send(ioc, b);
3848 /* PD target resets */
3849 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3850 for (i = 0; i < event_data->NumElements; i++, element++) {
3851 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3853 handle = le16_to_cpu(element->PhysDiskDevHandle);
3854 volume_handle = le16_to_cpu(element->VolDevHandle);
3855 clear_bit(handle, ioc->pd_handles);
3857 _scsih_tm_tr_send(ioc, handle);
3858 else if (volume_handle == a || volume_handle == b) {
3859 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3860 BUG_ON(!delayed_tr);
3861 INIT_LIST_HEAD(&delayed_tr->list);
3862 delayed_tr->handle = handle;
3863 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3864 dewtprintk(ioc, pr_info(MPT3SAS_FMT
3865 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3868 _scsih_tm_tr_send(ioc, handle);
3874 * _scsih_check_volume_delete_events - set delete flag for volumes
3875 * @ioc: per adapter object
3876 * @event_data: the event data payload
3877 * Context: interrupt time.
3879 * This will handle the case when the cable connected to entire volume is
3880 * pulled. We will take care of setting the deleted flag so normal IO will
3886 _scsih_check_volume_delete_events(struct MPT3SAS_ADAPTER *ioc,
3887 Mpi2EventDataIrVolume_t *event_data)
3891 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3893 state = le32_to_cpu(event_data->NewValue);
3894 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3895 MPI2_RAID_VOL_STATE_FAILED)
3896 _scsih_set_volume_delete_flag(ioc,
3897 le16_to_cpu(event_data->VolDevHandle));
3901 * _scsih_temp_threshold_events - display temperature threshold exceeded events
3902 * @ioc: per adapter object
3903 * @event_data: the temp threshold event data
3904 * Context: interrupt time.
3909 _scsih_temp_threshold_events(struct MPT3SAS_ADAPTER *ioc,
3910 Mpi2EventDataTemperature_t *event_data)
3912 if (ioc->temp_sensors_count >= event_data->SensorNum) {
3913 pr_err(MPT3SAS_FMT "Temperature Threshold flags %s%s%s%s"
3914 " exceeded for Sensor: %d !!!\n", ioc->name,
3915 ((le16_to_cpu(event_data->Status) & 0x1) == 1) ? "0 " : " ",
3916 ((le16_to_cpu(event_data->Status) & 0x2) == 2) ? "1 " : " ",
3917 ((le16_to_cpu(event_data->Status) & 0x4) == 4) ? "2 " : " ",
3918 ((le16_to_cpu(event_data->Status) & 0x8) == 8) ? "3 " : " ",
3919 event_data->SensorNum);
3920 pr_err(MPT3SAS_FMT "Current Temp In Celsius: %d\n",
3921 ioc->name, event_data->CurrentTemperature);
3925 static int _scsih_set_satl_pending(struct scsi_cmnd *scmd, bool pending)
3927 struct MPT3SAS_DEVICE *priv = scmd->device->hostdata;
3929 if (scmd->cmnd[0] != ATA_12 && scmd->cmnd[0] != ATA_16)
3933 return test_and_set_bit(0, &priv->ata_command_pending);
3935 clear_bit(0, &priv->ata_command_pending);
3940 * _scsih_flush_running_cmds - completing outstanding commands.
3941 * @ioc: per adapter object
3943 * The flushing out of all pending scmd commands following host reset,
3944 * where all IO is dropped to the floor.
3949 _scsih_flush_running_cmds(struct MPT3SAS_ADAPTER *ioc)
3951 struct scsi_cmnd *scmd;
3955 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3956 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
3960 _scsih_set_satl_pending(scmd, false);
3961 mpt3sas_base_free_smid(ioc, smid);
3962 scsi_dma_unmap(scmd);
3963 if (ioc->pci_error_recovery || ioc->remove_host)
3964 scmd->result = DID_NO_CONNECT << 16;
3966 scmd->result = DID_RESET << 16;
3967 scmd->scsi_done(scmd);
3969 dtmprintk(ioc, pr_info(MPT3SAS_FMT "completing %d cmds\n",
3974 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3975 * @ioc: per adapter object
3976 * @scmd: pointer to scsi command object
3977 * @mpi_request: pointer to the SCSI_IO request message frame
3979 * Supporting protection 1 and 3.
3984 _scsih_setup_eedp(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3985 Mpi2SCSIIORequest_t *mpi_request)
3988 unsigned char prot_op = scsi_get_prot_op(scmd);
3989 unsigned char prot_type = scsi_get_prot_type(scmd);
3990 Mpi25SCSIIORequest_t *mpi_request_3v =
3991 (Mpi25SCSIIORequest_t *)mpi_request;
3993 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3996 if (prot_op == SCSI_PROT_READ_STRIP)
3997 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3998 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3999 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
4003 switch (prot_type) {
4004 case SCSI_PROT_DIF_TYPE1:
4005 case SCSI_PROT_DIF_TYPE2:
4008 * enable ref/guard checking
4009 * auto increment ref tag
4011 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
4012 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
4013 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
4014 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
4015 cpu_to_be32(scsi_prot_ref_tag(scmd));
4018 case SCSI_PROT_DIF_TYPE3:
4021 * enable guard checking
4023 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
4028 mpi_request_3v->EEDPBlockSize =
4029 cpu_to_le16(scmd->device->sector_size);
4031 if (ioc->is_gen35_ioc)
4032 eedp_flags |= MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE;
4033 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
4037 * _scsih_eedp_error_handling - return sense code for EEDP errors
4038 * @scmd: pointer to scsi command object
4039 * @ioc_status: ioc status
4044 _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
4048 switch (ioc_status) {
4049 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4052 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4055 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4062 scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10,
4064 scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) |
4065 SAM_STAT_CHECK_CONDITION;
4069 * scsih_qcmd - main scsi request entry point
4070 * @scmd: pointer to scsi command object
4071 * @done: function pointer to be invoked on completion
4073 * The callback index is set inside `ioc->scsi_io_cb_idx`.
4075 * Returns 0 on success. If there's a failure, return either:
4076 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
4077 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
4080 scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd)
4082 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
4083 struct MPT3SAS_DEVICE *sas_device_priv_data;
4084 struct MPT3SAS_TARGET *sas_target_priv_data;
4085 struct _raid_device *raid_device;
4086 struct request *rq = scmd->request;
4088 Mpi2SCSIIORequest_t *mpi_request;
4093 if (ioc->logging_level & MPT_DEBUG_SCSI)
4094 scsi_print_command(scmd);
4096 sas_device_priv_data = scmd->device->hostdata;
4097 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
4098 scmd->result = DID_NO_CONNECT << 16;
4099 scmd->scsi_done(scmd);
4103 if (ioc->pci_error_recovery || ioc->remove_host) {
4104 scmd->result = DID_NO_CONNECT << 16;
4105 scmd->scsi_done(scmd);
4110 * Bug work around for firmware SATL handling. The loop
4111 * is based on atomic operations and ensures consistency
4112 * since we're lockless at this point
4115 if (test_bit(0, &sas_device_priv_data->ata_command_pending)) {
4116 scmd->result = SAM_STAT_BUSY;
4117 scmd->scsi_done(scmd);
4120 } while (_scsih_set_satl_pending(scmd, true));
4122 sas_target_priv_data = sas_device_priv_data->sas_target;
4124 /* invalid device handle */
4125 handle = sas_target_priv_data->handle;
4126 if (handle == MPT3SAS_INVALID_DEVICE_HANDLE) {
4127 scmd->result = DID_NO_CONNECT << 16;
4128 scmd->scsi_done(scmd);
4133 /* host recovery or link resets sent via IOCTLs */
4134 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
4135 return SCSI_MLQUEUE_HOST_BUSY;
4137 /* device has been deleted */
4138 else if (sas_target_priv_data->deleted) {
4139 scmd->result = DID_NO_CONNECT << 16;
4140 scmd->scsi_done(scmd);
4142 /* device busy with task management */
4143 } else if (sas_target_priv_data->tm_busy ||
4144 sas_device_priv_data->block)
4145 return SCSI_MLQUEUE_DEVICE_BUSY;
4147 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
4148 mpi_control = MPI2_SCSIIO_CONTROL_READ;
4149 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
4150 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
4152 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
4155 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
4156 /* NCQ Prio supported, make sure control indicated high priority */
4157 if (sas_device_priv_data->ncq_prio_enable) {
4158 class = IOPRIO_PRIO_CLASS(req_get_ioprio(rq));
4159 if (class == IOPRIO_CLASS_RT)
4160 mpi_control |= 1 << MPI2_SCSIIO_CONTROL_CMDPRI_SHIFT;
4162 /* Make sure Device is not raid volume.
4163 * We do not expose raid functionality to upper layer for warpdrive.
4165 if (!ioc->is_warpdrive && !scsih_is_raid(&scmd->device->sdev_gendev)
4166 && sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
4167 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
4169 smid = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
4171 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
4172 ioc->name, __func__);
4175 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4176 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
4177 _scsih_setup_eedp(ioc, scmd, mpi_request);
4179 if (scmd->cmd_len == 32)
4180 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
4181 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4182 if (sas_device_priv_data->sas_target->flags &
4183 MPT_TARGET_FLAGS_RAID_COMPONENT)
4184 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
4186 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
4187 mpi_request->DevHandle = cpu_to_le16(handle);
4188 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
4189 mpi_request->Control = cpu_to_le32(mpi_control);
4190 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
4191 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
4192 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
4193 mpi_request->SenseBufferLowAddress =
4194 mpt3sas_base_get_sense_buffer_dma(ioc, smid);
4195 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
4196 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
4198 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4200 if (mpi_request->DataLength) {
4201 if (ioc->build_sg_scmd(ioc, scmd, smid)) {
4202 mpt3sas_base_free_smid(ioc, smid);
4206 ioc->build_zero_len_sge(ioc, &mpi_request->SGL);
4208 raid_device = sas_target_priv_data->raid_device;
4209 if (raid_device && raid_device->direct_io_enabled)
4210 mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request,
4213 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) {
4214 if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) {
4215 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len |
4216 MPI25_SCSIIO_IOFLAGS_FAST_PATH);
4217 ioc->put_smid_fast_path(ioc, smid, handle);
4219 ioc->put_smid_scsi_io(ioc, smid,
4220 le16_to_cpu(mpi_request->DevHandle));
4222 ioc->put_smid_default(ioc, smid);
4226 return SCSI_MLQUEUE_HOST_BUSY;
4230 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
4231 * @sense_buffer: sense data returned by target
4232 * @data: normalized skey/asc/ascq
4237 _scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
4239 if ((sense_buffer[0] & 0x7F) >= 0x72) {
4240 /* descriptor format */
4241 data->skey = sense_buffer[1] & 0x0F;
4242 data->asc = sense_buffer[2];
4243 data->ascq = sense_buffer[3];
4246 data->skey = sense_buffer[2] & 0x0F;
4247 data->asc = sense_buffer[12];
4248 data->ascq = sense_buffer[13];
4253 * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request
4254 * @ioc: per adapter object
4255 * @scmd: pointer to scsi command object
4256 * @mpi_reply: reply mf payload returned from firmware
4258 * scsi_status - SCSI Status code returned from target device
4259 * scsi_state - state info associated with SCSI_IO determined by ioc
4260 * ioc_status - ioc supplied status info
4265 _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
4266 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
4270 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
4271 MPI2_IOCSTATUS_MASK;
4272 u8 scsi_state = mpi_reply->SCSIState;
4273 u8 scsi_status = mpi_reply->SCSIStatus;
4274 char *desc_ioc_state = NULL;
4275 char *desc_scsi_status = NULL;
4276 char *desc_scsi_state = ioc->tmp_string;
4277 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4278 struct _sas_device *sas_device = NULL;
4279 struct scsi_target *starget = scmd->device->sdev_target;
4280 struct MPT3SAS_TARGET *priv_target = starget->hostdata;
4281 char *device_str = NULL;
4285 if (ioc->hide_ir_msg)
4286 device_str = "WarpDrive";
4288 device_str = "volume";
4290 if (log_info == 0x31170000)
4293 switch (ioc_status) {
4294 case MPI2_IOCSTATUS_SUCCESS:
4295 desc_ioc_state = "success";
4297 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4298 desc_ioc_state = "invalid function";
4300 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4301 desc_ioc_state = "scsi recovered error";
4303 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
4304 desc_ioc_state = "scsi invalid dev handle";
4306 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4307 desc_ioc_state = "scsi device not there";
4309 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4310 desc_ioc_state = "scsi data overrun";
4312 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4313 desc_ioc_state = "scsi data underrun";
4315 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4316 desc_ioc_state = "scsi io data error";
4318 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4319 desc_ioc_state = "scsi protocol error";
4321 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4322 desc_ioc_state = "scsi task terminated";
4324 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4325 desc_ioc_state = "scsi residual mismatch";
4327 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4328 desc_ioc_state = "scsi task mgmt failed";
4330 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4331 desc_ioc_state = "scsi ioc terminated";
4333 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4334 desc_ioc_state = "scsi ext terminated";
4336 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4337 desc_ioc_state = "eedp guard error";
4339 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4340 desc_ioc_state = "eedp ref tag error";
4342 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4343 desc_ioc_state = "eedp app tag error";
4345 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
4346 desc_ioc_state = "insufficient power";
4349 desc_ioc_state = "unknown";
4353 switch (scsi_status) {
4354 case MPI2_SCSI_STATUS_GOOD:
4355 desc_scsi_status = "good";
4357 case MPI2_SCSI_STATUS_CHECK_CONDITION:
4358 desc_scsi_status = "check condition";
4360 case MPI2_SCSI_STATUS_CONDITION_MET:
4361 desc_scsi_status = "condition met";
4363 case MPI2_SCSI_STATUS_BUSY:
4364 desc_scsi_status = "busy";
4366 case MPI2_SCSI_STATUS_INTERMEDIATE:
4367 desc_scsi_status = "intermediate";
4369 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
4370 desc_scsi_status = "intermediate condmet";
4372 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
4373 desc_scsi_status = "reservation conflict";
4375 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
4376 desc_scsi_status = "command terminated";
4378 case MPI2_SCSI_STATUS_TASK_SET_FULL:
4379 desc_scsi_status = "task set full";
4381 case MPI2_SCSI_STATUS_ACA_ACTIVE:
4382 desc_scsi_status = "aca active";
4384 case MPI2_SCSI_STATUS_TASK_ABORTED:
4385 desc_scsi_status = "task aborted";
4388 desc_scsi_status = "unknown";
4392 desc_scsi_state[0] = '\0';
4394 desc_scsi_state = " ";
4395 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4396 strcat(desc_scsi_state, "response info ");
4397 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4398 strcat(desc_scsi_state, "state terminated ");
4399 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
4400 strcat(desc_scsi_state, "no status ");
4401 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
4402 strcat(desc_scsi_state, "autosense failed ");
4403 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
4404 strcat(desc_scsi_state, "autosense valid ");
4406 scsi_print_command(scmd);
4408 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
4409 pr_warn(MPT3SAS_FMT "\t%s wwid(0x%016llx)\n", ioc->name,
4410 device_str, (unsigned long long)priv_target->sas_address);
4412 sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target);
4415 "\tsas_address(0x%016llx), phy(%d)\n",
4416 ioc->name, (unsigned long long)
4417 sas_device->sas_address, sas_device->phy);
4418 if (sas_device->enclosure_handle != 0)
4420 "\tenclosure_logical_id(0x%016llx),"
4421 "slot(%d)\n", ioc->name,
4422 (unsigned long long)
4423 sas_device->enclosure_logical_id,
4425 if (sas_device->connector_name[0])
4427 "\tenclosure level(0x%04x),"
4428 " connector name( %s)\n", ioc->name,
4429 sas_device->enclosure_level,
4430 sas_device->connector_name);
4432 sas_device_put(sas_device);
4437 "\thandle(0x%04x), ioc_status(%s)(0x%04x), smid(%d)\n",
4438 ioc->name, le16_to_cpu(mpi_reply->DevHandle),
4439 desc_ioc_state, ioc_status, smid);
4441 "\trequest_len(%d), underflow(%d), resid(%d)\n",
4442 ioc->name, scsi_bufflen(scmd), scmd->underflow,
4443 scsi_get_resid(scmd));
4445 "\ttag(%d), transfer_count(%d), sc->result(0x%08x)\n",
4446 ioc->name, le16_to_cpu(mpi_reply->TaskTag),
4447 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
4449 "\tscsi_status(%s)(0x%02x), scsi_state(%s)(0x%02x)\n",
4450 ioc->name, desc_scsi_status,
4451 scsi_status, desc_scsi_state, scsi_state);
4453 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4454 struct sense_info data;
4455 _scsih_normalize_sense(scmd->sense_buffer, &data);
4457 "\t[sense_key,asc,ascq]: [0x%02x,0x%02x,0x%02x], count(%d)\n",
4458 ioc->name, data.skey,
4459 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
4462 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
4463 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
4464 response_bytes = (u8 *)&response_info;
4465 _scsih_response_code(ioc, response_bytes[0]);
4470 * _scsih_turn_on_pfa_led - illuminate PFA LED
4471 * @ioc: per adapter object
4472 * @handle: device handle
4478 _scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4480 Mpi2SepReply_t mpi_reply;
4481 Mpi2SepRequest_t mpi_request;
4482 struct _sas_device *sas_device;
4484 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
4488 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4489 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4490 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4491 mpi_request.SlotStatus =
4492 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
4493 mpi_request.DevHandle = cpu_to_le16(handle);
4494 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
4495 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4496 &mpi_request)) != 0) {
4497 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4498 __FILE__, __LINE__, __func__);
4501 sas_device->pfa_led_on = 1;
4503 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4504 dewtprintk(ioc, pr_info(MPT3SAS_FMT
4505 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4506 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4507 le32_to_cpu(mpi_reply.IOCLogInfo)));
4511 sas_device_put(sas_device);
4515 * _scsih_turn_off_pfa_led - turn off Fault LED
4516 * @ioc: per adapter object
4517 * @sas_device: sas device whose PFA LED has to turned off
4523 _scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc,
4524 struct _sas_device *sas_device)
4526 Mpi2SepReply_t mpi_reply;
4527 Mpi2SepRequest_t mpi_request;
4529 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
4530 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
4531 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
4532 mpi_request.SlotStatus = 0;
4533 mpi_request.Slot = cpu_to_le16(sas_device->slot);
4534 mpi_request.DevHandle = 0;
4535 mpi_request.EnclosureHandle = cpu_to_le16(sas_device->enclosure_handle);
4536 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_ENCLOSURE_SLOT_ADDRESS;
4537 if ((mpt3sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
4538 &mpi_request)) != 0) {
4539 printk(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name,
4540 __FILE__, __LINE__, __func__);
4544 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
4545 dewtprintk(ioc, printk(MPT3SAS_FMT
4546 "enclosure_processor: ioc_status (0x%04x), loginfo(0x%08x)\n",
4547 ioc->name, le16_to_cpu(mpi_reply.IOCStatus),
4548 le32_to_cpu(mpi_reply.IOCLogInfo)));
4554 * _scsih_send_event_to_turn_on_pfa_led - fire delayed event
4555 * @ioc: per adapter object
4556 * @handle: device handle
4557 * Context: interrupt.
4562 _scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4564 struct fw_event_work *fw_event;
4566 fw_event = alloc_fw_event_work(0);
4569 fw_event->event = MPT3SAS_TURN_ON_PFA_LED;
4570 fw_event->device_handle = handle;
4571 fw_event->ioc = ioc;
4572 _scsih_fw_event_add(ioc, fw_event);
4573 fw_event_work_put(fw_event);
4577 * _scsih_smart_predicted_fault - process smart errors
4578 * @ioc: per adapter object
4579 * @handle: device handle
4580 * Context: interrupt.
4585 _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle)
4587 struct scsi_target *starget;
4588 struct MPT3SAS_TARGET *sas_target_priv_data;
4589 Mpi2EventNotificationReply_t *event_reply;
4590 Mpi2EventDataSasDeviceStatusChange_t *event_data;
4591 struct _sas_device *sas_device;
4593 unsigned long flags;
4595 /* only handle non-raid devices */
4596 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4597 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
4601 starget = sas_device->starget;
4602 sas_target_priv_data = starget->hostdata;
4604 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
4605 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)))
4608 if (sas_device->enclosure_handle != 0)
4609 starget_printk(KERN_INFO, starget, "predicted fault, "
4610 "enclosure logical id(0x%016llx), slot(%d)\n",
4611 (unsigned long long)sas_device->enclosure_logical_id,
4613 if (sas_device->connector_name[0] != '\0')
4614 starget_printk(KERN_WARNING, starget, "predicted fault, "
4615 "enclosure level(0x%04x), connector name( %s)\n",
4616 sas_device->enclosure_level,
4617 sas_device->connector_name);
4618 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4620 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM)
4621 _scsih_send_event_to_turn_on_pfa_led(ioc, handle);
4623 /* insert into event log */
4624 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
4625 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
4626 event_reply = kzalloc(sz, GFP_KERNEL);
4628 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4629 ioc->name, __FILE__, __LINE__, __func__);
4633 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
4634 event_reply->Event =
4635 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
4636 event_reply->MsgLength = sz/4;
4637 event_reply->EventDataLength =
4638 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
4639 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
4640 event_reply->EventData;
4641 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
4642 event_data->ASC = 0x5D;
4643 event_data->DevHandle = cpu_to_le16(handle);
4644 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
4645 mpt3sas_ctl_add_to_event_log(ioc, event_reply);
4649 sas_device_put(sas_device);
4653 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4658 * _scsih_io_done - scsi request callback
4659 * @ioc: per adapter object
4660 * @smid: system request message index
4661 * @msix_index: MSIX table index supplied by the OS
4662 * @reply: reply message frame(lower 32bit addr)
4664 * Callback handler when using _scsih_qcmd.
4666 * Return 1 meaning mf should be freed from _base_interrupt
4667 * 0 means the mf is freed from this function.
4670 _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4672 Mpi2SCSIIORequest_t *mpi_request;
4673 Mpi2SCSIIOReply_t *mpi_reply;
4674 struct scsi_cmnd *scmd;
4680 struct MPT3SAS_DEVICE *sas_device_priv_data;
4681 u32 response_code = 0;
4682 unsigned long flags;
4684 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
4686 if (ioc->broadcast_aen_busy || ioc->pci_error_recovery ||
4687 ioc->got_task_abort_from_ioctl)
4688 scmd = _scsih_scsi_lookup_get_clear(ioc, smid);
4690 scmd = __scsih_scsi_lookup_get_clear(ioc, smid);
4695 _scsih_set_satl_pending(scmd, false);
4697 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
4699 if (mpi_reply == NULL) {
4700 scmd->result = DID_OK << 16;
4704 sas_device_priv_data = scmd->device->hostdata;
4705 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
4706 sas_device_priv_data->sas_target->deleted) {
4707 scmd->result = DID_NO_CONNECT << 16;
4710 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
4713 * WARPDRIVE: If direct_io is set then it is directIO,
4714 * the failed direct I/O should be redirected to volume
4716 if (mpt3sas_scsi_direct_io_get(ioc, smid) &&
4717 ((ioc_status & MPI2_IOCSTATUS_MASK)
4718 != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) {
4719 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
4720 ioc->scsi_lookup[smid - 1].scmd = scmd;
4721 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
4722 mpt3sas_scsi_direct_io_set(ioc, smid, 0);
4723 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
4724 mpi_request->DevHandle =
4725 cpu_to_le16(sas_device_priv_data->sas_target->handle);
4726 ioc->put_smid_scsi_io(ioc, smid,
4727 sas_device_priv_data->sas_target->handle);
4730 /* turning off TLR */
4731 scsi_state = mpi_reply->SCSIState;
4732 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
4734 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
4735 if (!sas_device_priv_data->tlr_snoop_check) {
4736 sas_device_priv_data->tlr_snoop_check++;
4737 if (!ioc->is_warpdrive &&
4738 !scsih_is_raid(&scmd->device->sdev_gendev) &&
4739 sas_is_tlr_enabled(scmd->device) &&
4740 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
4741 sas_disable_tlr(scmd->device);
4742 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
4746 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
4747 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
4748 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
4749 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
4752 ioc_status &= MPI2_IOCSTATUS_MASK;
4753 scsi_status = mpi_reply->SCSIStatus;
4755 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
4756 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
4757 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
4758 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
4759 ioc_status = MPI2_IOCSTATUS_SUCCESS;
4762 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
4763 struct sense_info data;
4764 const void *sense_data = mpt3sas_base_get_sense_buffer(ioc,
4766 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
4767 le32_to_cpu(mpi_reply->SenseCount));
4768 memcpy(scmd->sense_buffer, sense_data, sz);
4769 _scsih_normalize_sense(scmd->sense_buffer, &data);
4770 /* failure prediction threshold exceeded */
4771 if (data.asc == 0x5D)
4772 _scsih_smart_predicted_fault(ioc,
4773 le16_to_cpu(mpi_reply->DevHandle));
4774 mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq);
4776 if ((ioc->logging_level & MPT_DEBUG_REPLY) &&
4777 ((scmd->sense_buffer[2] == UNIT_ATTENTION) ||
4778 (scmd->sense_buffer[2] == MEDIUM_ERROR) ||
4779 (scmd->sense_buffer[2] == HARDWARE_ERROR)))
4780 _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid);
4782 switch (ioc_status) {
4783 case MPI2_IOCSTATUS_BUSY:
4784 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
4785 scmd->result = SAM_STAT_BUSY;
4788 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
4789 scmd->result = DID_NO_CONNECT << 16;
4792 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
4793 if (sas_device_priv_data->block) {
4794 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
4797 if (log_info == 0x31110630) {
4798 if (scmd->retries > 2) {
4799 scmd->result = DID_NO_CONNECT << 16;
4800 scsi_device_set_state(scmd->device,
4803 scmd->result = DID_SOFT_ERROR << 16;
4804 scmd->device->expecting_cc_ua = 1;
4807 } else if (log_info == VIRTUAL_IO_FAILED_RETRY) {
4808 scmd->result = DID_RESET << 16;
4810 } else if ((scmd->device->channel == RAID_CHANNEL) &&
4811 (scsi_state == (MPI2_SCSI_STATE_TERMINATED |
4812 MPI2_SCSI_STATE_NO_SCSI_STATUS))) {
4813 scmd->result = DID_RESET << 16;
4816 scmd->result = DID_SOFT_ERROR << 16;
4818 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
4819 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
4820 scmd->result = DID_RESET << 16;
4823 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
4824 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
4825 scmd->result = DID_SOFT_ERROR << 16;
4827 scmd->result = (DID_OK << 16) | scsi_status;
4830 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
4831 scmd->result = (DID_OK << 16) | scsi_status;
4833 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
4836 if (xfer_cnt < scmd->underflow) {
4837 if (scsi_status == SAM_STAT_BUSY)
4838 scmd->result = SAM_STAT_BUSY;
4840 scmd->result = DID_SOFT_ERROR << 16;
4841 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4842 MPI2_SCSI_STATE_NO_SCSI_STATUS))
4843 scmd->result = DID_SOFT_ERROR << 16;
4844 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4845 scmd->result = DID_RESET << 16;
4846 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
4847 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
4848 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
4849 scmd->result = (DRIVER_SENSE << 24) |
4850 SAM_STAT_CHECK_CONDITION;
4851 scmd->sense_buffer[0] = 0x70;
4852 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
4853 scmd->sense_buffer[12] = 0x20;
4854 scmd->sense_buffer[13] = 0;
4858 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
4859 scsi_set_resid(scmd, 0);
4860 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
4861 case MPI2_IOCSTATUS_SUCCESS:
4862 scmd->result = (DID_OK << 16) | scsi_status;
4863 if (response_code ==
4864 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
4865 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
4866 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
4867 scmd->result = DID_SOFT_ERROR << 16;
4868 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
4869 scmd->result = DID_RESET << 16;
4872 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
4873 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
4874 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
4875 _scsih_eedp_error_handling(scmd, ioc_status);
4878 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
4879 case MPI2_IOCSTATUS_INVALID_FUNCTION:
4880 case MPI2_IOCSTATUS_INVALID_SGL:
4881 case MPI2_IOCSTATUS_INTERNAL_ERROR:
4882 case MPI2_IOCSTATUS_INVALID_FIELD:
4883 case MPI2_IOCSTATUS_INVALID_STATE:
4884 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
4885 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
4886 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
4888 scmd->result = DID_SOFT_ERROR << 16;
4893 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
4894 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
4898 scsi_dma_unmap(scmd);
4900 scmd->scsi_done(scmd);
4905 * _scsih_sas_host_refresh - refreshing sas host object contents
4906 * @ioc: per adapter object
4909 * During port enable, fw will send topology events for every device. Its
4910 * possible that the handles may change from the previous setting, so this
4911 * code keeping handles updating if changed.
4916 _scsih_sas_host_refresh(struct MPT3SAS_ADAPTER *ioc)
4921 Mpi2ConfigReply_t mpi_reply;
4922 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4923 u16 attached_handle;
4926 dtmprintk(ioc, pr_info(MPT3SAS_FMT
4927 "updating handles for sas_host(0x%016llx)\n",
4928 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
4930 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
4931 * sizeof(Mpi2SasIOUnit0PhyData_t));
4932 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4933 if (!sas_iounit_pg0) {
4934 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4935 ioc->name, __FILE__, __LINE__, __func__);
4939 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4940 sas_iounit_pg0, sz)) != 0)
4942 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4943 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4945 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4946 link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4;
4948 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4949 PhyData[0].ControllerDevHandle);
4950 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4951 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
4953 if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4954 link_rate = MPI2_SAS_NEG_LINK_RATE_1_5;
4955 mpt3sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
4956 attached_handle, i, link_rate);
4959 kfree(sas_iounit_pg0);
4963 * _scsih_sas_host_add - create sas host object
4964 * @ioc: per adapter object
4966 * Creating host side data object, stored in ioc->sas_hba
4971 _scsih_sas_host_add(struct MPT3SAS_ADAPTER *ioc)
4974 Mpi2ConfigReply_t mpi_reply;
4975 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4976 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4977 Mpi2SasPhyPage0_t phy_pg0;
4978 Mpi2SasDevicePage0_t sas_device_pg0;
4979 Mpi2SasEnclosurePage0_t enclosure_pg0;
4982 u8 device_missing_delay;
4985 mpt3sas_config_get_number_hba_phys(ioc, &num_phys);
4987 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4988 ioc->name, __FILE__, __LINE__, __func__);
4991 ioc->sas_hba.phy = kcalloc(num_phys,
4992 sizeof(struct _sas_phy), GFP_KERNEL);
4993 if (!ioc->sas_hba.phy) {
4994 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
4995 ioc->name, __FILE__, __LINE__, __func__);
4998 ioc->sas_hba.num_phys = num_phys;
5000 /* sas_iounit page 0 */
5001 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
5002 sizeof(Mpi2SasIOUnit0PhyData_t));
5003 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
5004 if (!sas_iounit_pg0) {
5005 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5006 ioc->name, __FILE__, __LINE__, __func__);
5009 if ((mpt3sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
5010 sas_iounit_pg0, sz))) {
5011 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5012 ioc->name, __FILE__, __LINE__, __func__);
5015 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5016 MPI2_IOCSTATUS_MASK;
5017 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5018 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5019 ioc->name, __FILE__, __LINE__, __func__);
5023 /* sas_iounit page 1 */
5024 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
5025 sizeof(Mpi2SasIOUnit1PhyData_t));
5026 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
5027 if (!sas_iounit_pg1) {
5028 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5029 ioc->name, __FILE__, __LINE__, __func__);
5032 if ((mpt3sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
5033 sas_iounit_pg1, sz))) {
5034 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5035 ioc->name, __FILE__, __LINE__, __func__);
5038 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5039 MPI2_IOCSTATUS_MASK;
5040 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5041 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5042 ioc->name, __FILE__, __LINE__, __func__);
5046 ioc->io_missing_delay =
5047 sas_iounit_pg1->IODeviceMissingDelay;
5048 device_missing_delay =
5049 sas_iounit_pg1->ReportDeviceMissingDelay;
5050 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
5051 ioc->device_missing_delay = (device_missing_delay &
5052 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
5054 ioc->device_missing_delay = device_missing_delay &
5055 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
5057 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
5058 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
5059 if ((mpt3sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
5061 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5062 ioc->name, __FILE__, __LINE__, __func__);
5065 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5066 MPI2_IOCSTATUS_MASK;
5067 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5068 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5069 ioc->name, __FILE__, __LINE__, __func__);
5074 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
5075 PhyData[0].ControllerDevHandle);
5076 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
5077 ioc->sas_hba.phy[i].phy_id = i;
5078 mpt3sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
5079 phy_pg0, ioc->sas_hba.parent_dev);
5081 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5082 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
5083 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5084 ioc->name, __FILE__, __LINE__, __func__);
5087 ioc->sas_hba.enclosure_handle =
5088 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5089 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5091 "host_add: handle(0x%04x), sas_addr(0x%016llx), phys(%d)\n",
5092 ioc->name, ioc->sas_hba.handle,
5093 (unsigned long long) ioc->sas_hba.sas_address,
5094 ioc->sas_hba.num_phys) ;
5096 if (ioc->sas_hba.enclosure_handle) {
5097 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5098 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5099 ioc->sas_hba.enclosure_handle)))
5100 ioc->sas_hba.enclosure_logical_id =
5101 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5105 kfree(sas_iounit_pg1);
5106 kfree(sas_iounit_pg0);
5110 * _scsih_expander_add - creating expander object
5111 * @ioc: per adapter object
5112 * @handle: expander handle
5114 * Creating expander object, stored in ioc->sas_expander_list.
5116 * Return 0 for success, else error.
5119 _scsih_expander_add(struct MPT3SAS_ADAPTER *ioc, u16 handle)
5121 struct _sas_node *sas_expander;
5122 Mpi2ConfigReply_t mpi_reply;
5123 Mpi2ExpanderPage0_t expander_pg0;
5124 Mpi2ExpanderPage1_t expander_pg1;
5125 Mpi2SasEnclosurePage0_t enclosure_pg0;
5128 u64 sas_address, sas_address_parent = 0;
5130 unsigned long flags;
5131 struct _sas_port *mpt3sas_port = NULL;
5138 if (ioc->shost_recovery || ioc->pci_error_recovery)
5141 if ((mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
5142 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
5143 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5144 ioc->name, __FILE__, __LINE__, __func__);
5148 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5149 MPI2_IOCSTATUS_MASK;
5150 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5151 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5152 ioc->name, __FILE__, __LINE__, __func__);
5156 /* handle out of order topology events */
5157 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
5158 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
5160 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5161 ioc->name, __FILE__, __LINE__, __func__);
5164 if (sas_address_parent != ioc->sas_hba.sas_address) {
5165 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5166 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5167 sas_address_parent);
5168 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5169 if (!sas_expander) {
5170 rc = _scsih_expander_add(ioc, parent_handle);
5176 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5177 sas_address = le64_to_cpu(expander_pg0.SASAddress);
5178 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5180 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5185 sas_expander = kzalloc(sizeof(struct _sas_node),
5187 if (!sas_expander) {
5188 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5189 ioc->name, __FILE__, __LINE__, __func__);
5193 sas_expander->handle = handle;
5194 sas_expander->num_phys = expander_pg0.NumPhys;
5195 sas_expander->sas_address_parent = sas_address_parent;
5196 sas_expander->sas_address = sas_address;
5198 pr_info(MPT3SAS_FMT "expander_add: handle(0x%04x)," \
5199 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
5200 handle, parent_handle, (unsigned long long)
5201 sas_expander->sas_address, sas_expander->num_phys);
5203 if (!sas_expander->num_phys)
5205 sas_expander->phy = kcalloc(sas_expander->num_phys,
5206 sizeof(struct _sas_phy), GFP_KERNEL);
5207 if (!sas_expander->phy) {
5208 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5209 ioc->name, __FILE__, __LINE__, __func__);
5214 INIT_LIST_HEAD(&sas_expander->sas_port_list);
5215 mpt3sas_port = mpt3sas_transport_port_add(ioc, handle,
5216 sas_address_parent);
5217 if (!mpt3sas_port) {
5218 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5219 ioc->name, __FILE__, __LINE__, __func__);
5223 sas_expander->parent_dev = &mpt3sas_port->rphy->dev;
5225 for (i = 0 ; i < sas_expander->num_phys ; i++) {
5226 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
5227 &expander_pg1, i, handle))) {
5228 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5229 ioc->name, __FILE__, __LINE__, __func__);
5233 sas_expander->phy[i].handle = handle;
5234 sas_expander->phy[i].phy_id = i;
5236 if ((mpt3sas_transport_add_expander_phy(ioc,
5237 &sas_expander->phy[i], expander_pg1,
5238 sas_expander->parent_dev))) {
5239 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5240 ioc->name, __FILE__, __LINE__, __func__);
5246 if (sas_expander->enclosure_handle) {
5247 if (!(mpt3sas_config_get_enclosure_pg0(ioc, &mpi_reply,
5248 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5249 sas_expander->enclosure_handle)))
5250 sas_expander->enclosure_logical_id =
5251 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5254 _scsih_expander_node_add(ioc, sas_expander);
5260 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
5261 sas_address_parent);
5262 kfree(sas_expander);
5267 * mpt3sas_expander_remove - removing expander object
5268 * @ioc: per adapter object
5269 * @sas_address: expander sas_address
5274 mpt3sas_expander_remove(struct MPT3SAS_ADAPTER *ioc, u64 sas_address)
5276 struct _sas_node *sas_expander;
5277 unsigned long flags;
5279 if (ioc->shost_recovery)
5282 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5283 sas_expander = mpt3sas_scsih_expander_find_by_sas_address(ioc,
5286 list_del(&sas_expander->list);
5287 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5289 _scsih_expander_node_remove(ioc, sas_expander);
5293 * _scsih_done - internal SCSI_IO callback handler.
5294 * @ioc: per adapter object
5295 * @smid: system request message index
5296 * @msix_index: MSIX table index supplied by the OS
5297 * @reply: reply message frame(lower 32bit addr)
5299 * Callback handler when sending internal generated SCSI_IO.
5300 * The callback index passed is `ioc->scsih_cb_idx`
5302 * Return 1 meaning mf should be freed from _base_interrupt
5303 * 0 means the mf is freed from this function.
5306 _scsih_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
5308 MPI2DefaultReply_t *mpi_reply;
5310 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
5311 if (ioc->scsih_cmds.status == MPT3_CMD_NOT_USED)
5313 if (ioc->scsih_cmds.smid != smid)
5315 ioc->scsih_cmds.status |= MPT3_CMD_COMPLETE;
5317 memcpy(ioc->scsih_cmds.reply, mpi_reply,
5318 mpi_reply->MsgLength*4);
5319 ioc->scsih_cmds.status |= MPT3_CMD_REPLY_VALID;
5321 ioc->scsih_cmds.status &= ~MPT3_CMD_PENDING;
5322 complete(&ioc->scsih_cmds.done);
5329 #define MPT3_MAX_LUNS (255)
5333 * _scsih_check_access_status - check access flags
5334 * @ioc: per adapter object
5335 * @sas_address: sas address
5336 * @handle: sas device handle
5337 * @access_flags: errors returned during discovery of the device
5339 * Return 0 for success, else failure
5342 _scsih_check_access_status(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
5343 u16 handle, u8 access_status)
5348 switch (access_status) {
5349 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
5350 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
5353 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
5354 desc = "sata capability failed";
5356 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
5357 desc = "sata affiliation conflict";
5359 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
5360 desc = "route not addressable";
5362 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
5363 desc = "smp error not addressable";
5365 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
5366 desc = "device blocked";
5368 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
5369 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
5370 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
5371 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
5372 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
5373 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
5374 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
5375 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
5376 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
5377 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
5378 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
5379 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
5380 desc = "sata initialization failed";
5391 "discovery errors(%s): sas_address(0x%016llx), handle(0x%04x)\n",
5392 ioc->name, desc, (unsigned long long)sas_address, handle);
5397 * _scsih_check_device - checking device responsiveness
5398 * @ioc: per adapter object
5399 * @parent_sas_address: sas address of parent expander or sas host
5400 * @handle: attached device handle
5401 * @phy_numberv: phy number
5402 * @link_rate: new link rate
5407 _scsih_check_device(struct MPT3SAS_ADAPTER *ioc,
5408 u64 parent_sas_address, u16 handle, u8 phy_number, u8 link_rate)
5410 Mpi2ConfigReply_t mpi_reply;
5411 Mpi2SasDevicePage0_t sas_device_pg0;
5412 struct _sas_device *sas_device;
5414 unsigned long flags;
5416 struct scsi_target *starget;
5417 struct MPT3SAS_TARGET *sas_target_priv_data;
5421 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5422 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
5425 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
5426 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
5429 /* wide port handling ~ we need only handle device once for the phy that
5430 * is matched in sas device page zero
5432 if (phy_number != sas_device_pg0.PhyNum)
5435 /* check if this is end device */
5436 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5437 if (!(_scsih_is_end_device(device_info)))
5440 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5441 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5442 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
5448 if (unlikely(sas_device->handle != handle)) {
5449 starget = sas_device->starget;
5450 sas_target_priv_data = starget->hostdata;
5451 starget_printk(KERN_INFO, starget,
5452 "handle changed from(0x%04x) to (0x%04x)!!!\n",
5453 sas_device->handle, handle);
5454 sas_target_priv_data->handle = handle;
5455 sas_device->handle = handle;
5456 if (le16_to_cpu(sas_device_pg0.Flags) &
5457 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5458 sas_device->enclosure_level =
5459 sas_device_pg0.EnclosureLevel;
5460 memcpy(sas_device->connector_name,
5461 sas_device_pg0.ConnectorName, 4);
5462 sas_device->connector_name[4] = '\0';
5464 sas_device->enclosure_level = 0;
5465 sas_device->connector_name[0] = '\0';
5469 /* check if device is present */
5470 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5471 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5473 "device is not present handle(0x%04x), flags!!!\n",
5478 /* check if there were any issues with discovery */
5479 if (_scsih_check_access_status(ioc, sas_address, handle,
5480 sas_device_pg0.AccessStatus))
5483 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5484 _scsih_ublock_io_device(ioc, sas_address);
5487 sas_device_put(sas_device);
5491 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5493 sas_device_put(sas_device);
5497 * _scsih_add_device - creating sas device object
5498 * @ioc: per adapter object
5499 * @handle: sas device handle
5500 * @phy_num: phy number end device attached to
5501 * @is_pd: is this hidden raid component
5503 * Creating end device object, stored in ioc->sas_device_list.
5505 * Returns 0 for success, non-zero for failure.
5508 _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num,
5511 Mpi2ConfigReply_t mpi_reply;
5512 Mpi2SasDevicePage0_t sas_device_pg0;
5513 Mpi2SasEnclosurePage0_t enclosure_pg0;
5514 struct _sas_device *sas_device;
5519 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5520 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5521 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5522 ioc->name, __FILE__, __LINE__, __func__);
5526 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5527 MPI2_IOCSTATUS_MASK;
5528 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5529 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5530 ioc->name, __FILE__, __LINE__, __func__);
5534 /* check if this is end device */
5535 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5536 if (!(_scsih_is_end_device(device_info)))
5538 set_bit(handle, ioc->pend_os_device_add);
5539 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5541 /* check if device is present */
5542 if (!(le16_to_cpu(sas_device_pg0.Flags) &
5543 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
5544 pr_err(MPT3SAS_FMT "device is not present handle(0x04%x)!!!\n",
5549 /* check if there were any issues with discovery */
5550 if (_scsih_check_access_status(ioc, sas_address, handle,
5551 sas_device_pg0.AccessStatus))
5554 sas_device = mpt3sas_get_sdev_by_addr(ioc,
5557 clear_bit(handle, ioc->pend_os_device_add);
5558 sas_device_put(sas_device);
5562 sas_device = kzalloc(sizeof(struct _sas_device),
5565 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5566 ioc->name, __FILE__, __LINE__, __func__);
5570 kref_init(&sas_device->refcount);
5571 sas_device->handle = handle;
5572 if (_scsih_get_sas_address(ioc,
5573 le16_to_cpu(sas_device_pg0.ParentDevHandle),
5574 &sas_device->sas_address_parent) != 0)
5575 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
5576 ioc->name, __FILE__, __LINE__, __func__);
5577 sas_device->enclosure_handle =
5578 le16_to_cpu(sas_device_pg0.EnclosureHandle);
5579 if (sas_device->enclosure_handle != 0)
5581 le16_to_cpu(sas_device_pg0.Slot);
5582 sas_device->device_info = device_info;
5583 sas_device->sas_address = sas_address;
5584 sas_device->phy = sas_device_pg0.PhyNum;
5585 sas_device->fast_path = (le16_to_cpu(sas_device_pg0.Flags) &
5586 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) ? 1 : 0;
5588 if (le16_to_cpu(sas_device_pg0.Flags)
5589 & MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
5590 sas_device->enclosure_level =
5591 sas_device_pg0.EnclosureLevel;
5592 memcpy(sas_device->connector_name,
5593 sas_device_pg0.ConnectorName, 4);
5594 sas_device->connector_name[4] = '\0';
5596 sas_device->enclosure_level = 0;
5597 sas_device->connector_name[0] = '\0';
5599 /* get enclosure_logical_id */
5600 if (sas_device->enclosure_handle && !(mpt3sas_config_get_enclosure_pg0(
5601 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
5602 sas_device->enclosure_handle)))
5603 sas_device->enclosure_logical_id =
5604 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
5606 /* get device name */
5607 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
5609 if (ioc->wait_for_discovery_to_complete)
5610 _scsih_sas_device_init_add(ioc, sas_device);
5612 _scsih_sas_device_add(ioc, sas_device);
5614 sas_device_put(sas_device);
5619 * _scsih_remove_device - removing sas device object
5620 * @ioc: per adapter object
5621 * @sas_device_delete: the sas_device object
5626 _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc,
5627 struct _sas_device *sas_device)
5629 struct MPT3SAS_TARGET *sas_target_priv_data;
5631 if ((ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) &&
5632 (sas_device->pfa_led_on)) {
5633 _scsih_turn_off_pfa_led(ioc, sas_device);
5634 sas_device->pfa_led_on = 0;
5636 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5637 "%s: enter: handle(0x%04x), sas_addr(0x%016llx)\n",
5638 ioc->name, __func__,
5639 sas_device->handle, (unsigned long long)
5640 sas_device->sas_address));
5641 if (sas_device->enclosure_handle != 0)
5642 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5643 "%s: enter: enclosure logical id(0x%016llx), slot(%d)\n",
5644 ioc->name, __func__,
5645 (unsigned long long)sas_device->enclosure_logical_id,
5647 if (sas_device->connector_name[0] != '\0')
5648 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5649 "%s: enter: enclosure level(0x%04x), connector name( %s)\n",
5650 ioc->name, __func__,
5651 sas_device->enclosure_level,
5652 sas_device->connector_name));
5654 if (sas_device->starget && sas_device->starget->hostdata) {
5655 sas_target_priv_data = sas_device->starget->hostdata;
5656 sas_target_priv_data->deleted = 1;
5657 _scsih_ublock_io_device(ioc, sas_device->sas_address);
5658 sas_target_priv_data->handle =
5659 MPT3SAS_INVALID_DEVICE_HANDLE;
5662 if (!ioc->hide_drives)
5663 mpt3sas_transport_port_remove(ioc,
5664 sas_device->sas_address,
5665 sas_device->sas_address_parent);
5668 "removing handle(0x%04x), sas_addr(0x%016llx)\n",
5669 ioc->name, sas_device->handle,
5670 (unsigned long long) sas_device->sas_address);
5671 if (sas_device->enclosure_handle != 0)
5673 "removing : enclosure logical id(0x%016llx), slot(%d)\n",
5675 (unsigned long long)sas_device->enclosure_logical_id,
5677 if (sas_device->connector_name[0] != '\0')
5679 "removing enclosure level(0x%04x), connector name( %s)\n",
5680 ioc->name, sas_device->enclosure_level,
5681 sas_device->connector_name);
5683 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5684 "%s: exit: handle(0x%04x), sas_addr(0x%016llx)\n",
5685 ioc->name, __func__,
5686 sas_device->handle, (unsigned long long)
5687 sas_device->sas_address));
5688 if (sas_device->enclosure_handle != 0)
5689 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5690 "%s: exit: enclosure logical id(0x%016llx), slot(%d)\n",
5691 ioc->name, __func__,
5692 (unsigned long long)sas_device->enclosure_logical_id,
5694 if (sas_device->connector_name[0] != '\0')
5695 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5696 "%s: exit: enclosure level(0x%04x), connector name(%s)\n",
5697 ioc->name, __func__, sas_device->enclosure_level,
5698 sas_device->connector_name));
5702 * _scsih_sas_topology_change_event_debug - debug for topology event
5703 * @ioc: per adapter object
5704 * @event_data: event data payload
5708 _scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5709 Mpi2EventDataSasTopologyChangeList_t *event_data)
5715 char *status_str = NULL;
5716 u8 link_rate, prev_link_rate;
5718 switch (event_data->ExpStatus) {
5719 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
5722 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
5723 status_str = "remove";
5725 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
5727 status_str = "responding";
5729 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
5730 status_str = "remove delay";
5733 status_str = "unknown status";
5736 pr_info(MPT3SAS_FMT "sas topology change: (%s)\n",
5737 ioc->name, status_str);
5738 pr_info("\thandle(0x%04x), enclosure_handle(0x%04x) " \
5739 "start_phy(%02d), count(%d)\n",
5740 le16_to_cpu(event_data->ExpanderDevHandle),
5741 le16_to_cpu(event_data->EnclosureHandle),
5742 event_data->StartPhyNum, event_data->NumEntries);
5743 for (i = 0; i < event_data->NumEntries; i++) {
5744 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5747 phy_number = event_data->StartPhyNum + i;
5748 reason_code = event_data->PHY[i].PhyStatus &
5749 MPI2_EVENT_SAS_TOPO_RC_MASK;
5750 switch (reason_code) {
5751 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5752 status_str = "target add";
5754 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5755 status_str = "target remove";
5757 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
5758 status_str = "delay target remove";
5760 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5761 status_str = "link rate change";
5763 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
5764 status_str = "target responding";
5767 status_str = "unknown";
5770 link_rate = event_data->PHY[i].LinkRate >> 4;
5771 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5772 pr_info("\tphy(%02d), attached_handle(0x%04x): %s:" \
5773 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
5774 handle, status_str, link_rate, prev_link_rate);
5780 * _scsih_sas_topology_change_event - handle topology changes
5781 * @ioc: per adapter object
5782 * @fw_event: The fw_event_work object
5787 _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc,
5788 struct fw_event_work *fw_event)
5791 u16 parent_handle, handle;
5793 u8 phy_number, max_phys;
5794 struct _sas_node *sas_expander;
5796 unsigned long flags;
5797 u8 link_rate, prev_link_rate;
5798 Mpi2EventDataSasTopologyChangeList_t *event_data =
5799 (Mpi2EventDataSasTopologyChangeList_t *)
5800 fw_event->event_data;
5802 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5803 _scsih_sas_topology_change_event_debug(ioc, event_data);
5805 if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
5808 if (!ioc->sas_hba.num_phys)
5809 _scsih_sas_host_add(ioc);
5811 _scsih_sas_host_refresh(ioc);
5813 if (fw_event->ignore) {
5814 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5815 "ignoring expander event\n", ioc->name));
5819 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
5821 /* handle expander add */
5822 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
5823 if (_scsih_expander_add(ioc, parent_handle) != 0)
5826 spin_lock_irqsave(&ioc->sas_node_lock, flags);
5827 sas_expander = mpt3sas_scsih_expander_find_by_handle(ioc,
5830 sas_address = sas_expander->sas_address;
5831 max_phys = sas_expander->num_phys;
5832 } else if (parent_handle < ioc->sas_hba.num_phys) {
5833 sas_address = ioc->sas_hba.sas_address;
5834 max_phys = ioc->sas_hba.num_phys;
5836 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5839 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
5841 /* handle siblings events */
5842 for (i = 0; i < event_data->NumEntries; i++) {
5843 if (fw_event->ignore) {
5844 dewtprintk(ioc, pr_info(MPT3SAS_FMT
5845 "ignoring expander event\n", ioc->name));
5848 if (ioc->remove_host || ioc->pci_error_recovery)
5850 phy_number = event_data->StartPhyNum + i;
5851 if (phy_number >= max_phys)
5853 reason_code = event_data->PHY[i].PhyStatus &
5854 MPI2_EVENT_SAS_TOPO_RC_MASK;
5855 if ((event_data->PHY[i].PhyStatus &
5856 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
5857 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
5859 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
5862 link_rate = event_data->PHY[i].LinkRate >> 4;
5863 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
5864 switch (reason_code) {
5865 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
5867 if (ioc->shost_recovery)
5870 if (link_rate == prev_link_rate)
5873 mpt3sas_transport_update_links(ioc, sas_address,
5874 handle, phy_number, link_rate);
5876 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
5879 _scsih_check_device(ioc, sas_address, handle,
5880 phy_number, link_rate);
5882 if (!test_bit(handle, ioc->pend_os_device_add))
5886 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
5888 if (ioc->shost_recovery)
5891 mpt3sas_transport_update_links(ioc, sas_address,
5892 handle, phy_number, link_rate);
5894 _scsih_add_device(ioc, handle, phy_number, 0);
5897 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
5899 _scsih_device_remove_by_handle(ioc, handle);
5904 /* handle expander removal */
5905 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
5907 mpt3sas_expander_remove(ioc, sas_address);
5913 * _scsih_sas_device_status_change_event_debug - debug for device event
5914 * @event_data: event data payload
5920 _scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
5921 Mpi2EventDataSasDeviceStatusChange_t *event_data)
5923 char *reason_str = NULL;
5925 switch (event_data->ReasonCode) {
5926 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
5927 reason_str = "smart data";
5929 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
5930 reason_str = "unsupported device discovered";
5932 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
5933 reason_str = "internal device reset";
5935 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
5936 reason_str = "internal task abort";
5938 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
5939 reason_str = "internal task abort set";
5941 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
5942 reason_str = "internal clear task set";
5944 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
5945 reason_str = "internal query task";
5947 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
5948 reason_str = "sata init failure";
5950 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
5951 reason_str = "internal device reset complete";
5953 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
5954 reason_str = "internal task abort complete";
5956 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
5957 reason_str = "internal async notification";
5959 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
5960 reason_str = "expander reduced functionality";
5962 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
5963 reason_str = "expander reduced functionality complete";
5966 reason_str = "unknown reason";
5969 pr_info(MPT3SAS_FMT "device status change: (%s)\n"
5970 "\thandle(0x%04x), sas address(0x%016llx), tag(%d)",
5971 ioc->name, reason_str, le16_to_cpu(event_data->DevHandle),
5972 (unsigned long long)le64_to_cpu(event_data->SASAddress),
5973 le16_to_cpu(event_data->TaskTag));
5974 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
5975 pr_info(MPT3SAS_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
5976 event_data->ASC, event_data->ASCQ);
5981 * _scsih_sas_device_status_change_event - handle device status change
5982 * @ioc: per adapter object
5983 * @fw_event: The fw_event_work object
5989 _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc,
5990 struct fw_event_work *fw_event)
5992 struct MPT3SAS_TARGET *target_priv_data;
5993 struct _sas_device *sas_device;
5995 unsigned long flags;
5996 Mpi2EventDataSasDeviceStatusChange_t *event_data =
5997 (Mpi2EventDataSasDeviceStatusChange_t *)
5998 fw_event->event_data;
6000 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6001 _scsih_sas_device_status_change_event_debug(ioc,
6004 /* In MPI Revision K (0xC), the internal device reset complete was
6005 * implemented, so avoid setting tm_busy flag for older firmware.
6007 if ((ioc->facts.HeaderVersion >> 8) < 0xC)
6010 if (event_data->ReasonCode !=
6011 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
6012 event_data->ReasonCode !=
6013 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
6016 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6017 sas_address = le64_to_cpu(event_data->SASAddress);
6018 sas_device = __mpt3sas_get_sdev_by_addr(ioc,
6021 if (!sas_device || !sas_device->starget)
6024 target_priv_data = sas_device->starget->hostdata;
6025 if (!target_priv_data)
6028 if (event_data->ReasonCode ==
6029 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
6030 target_priv_data->tm_busy = 1;
6032 target_priv_data->tm_busy = 0;
6036 sas_device_put(sas_device);
6038 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6043 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure
6045 * @ioc: per adapter object
6046 * @event_data: event data payload
6052 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
6053 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
6055 char *reason_str = NULL;
6057 switch (event_data->ReasonCode) {
6058 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
6059 reason_str = "enclosure add";
6061 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
6062 reason_str = "enclosure remove";
6065 reason_str = "unknown reason";
6069 pr_info(MPT3SAS_FMT "enclosure status change: (%s)\n"
6070 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
6071 " number slots(%d)\n", ioc->name, reason_str,
6072 le16_to_cpu(event_data->EnclosureHandle),
6073 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
6074 le16_to_cpu(event_data->StartSlot));
6078 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
6079 * @ioc: per adapter object
6080 * @fw_event: The fw_event_work object
6086 _scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc,
6087 struct fw_event_work *fw_event)
6089 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
6090 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
6091 (Mpi2EventDataSasEnclDevStatusChange_t *)
6092 fw_event->event_data);
6096 * _scsih_sas_broadcast_primitive_event - handle broadcast events
6097 * @ioc: per adapter object
6098 * @fw_event: The fw_event_work object
6104 _scsih_sas_broadcast_primitive_event(struct MPT3SAS_ADAPTER *ioc,
6105 struct fw_event_work *fw_event)
6107 struct scsi_cmnd *scmd;
6108 struct scsi_device *sdev;
6111 struct MPT3SAS_DEVICE *sas_device_priv_data;
6112 u32 termination_count;
6114 Mpi2SCSITaskManagementReply_t *mpi_reply;
6115 Mpi2EventDataSasBroadcastPrimitive_t *event_data =
6116 (Mpi2EventDataSasBroadcastPrimitive_t *)
6117 fw_event->event_data;
6119 unsigned long flags;
6122 u8 task_abort_retries;
6124 mutex_lock(&ioc->tm_cmds.mutex);
6126 "%s: enter: phy number(%d), width(%d)\n",
6127 ioc->name, __func__, event_data->PhyNum,
6128 event_data->PortWidth);
6130 _scsih_block_io_all_device(ioc);
6132 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6133 mpi_reply = ioc->tm_cmds.reply;
6134 broadcast_aen_retry:
6136 /* sanity checks for retrying this loop */
6137 if (max_retries++ == 5) {
6138 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: giving up\n",
6139 ioc->name, __func__));
6141 } else if (max_retries > 1)
6142 dewtprintk(ioc, pr_info(MPT3SAS_FMT "%s: %d retry\n",
6143 ioc->name, __func__, max_retries - 1));
6145 termination_count = 0;
6147 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
6148 if (ioc->shost_recovery)
6150 scmd = _scsih_scsi_lookup_get(ioc, smid);
6153 sdev = scmd->device;
6154 sas_device_priv_data = sdev->hostdata;
6155 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
6157 /* skip hidden raid components */
6158 if (sas_device_priv_data->sas_target->flags &
6159 MPT_TARGET_FLAGS_RAID_COMPONENT)
6162 if (sas_device_priv_data->sas_target->flags &
6163 MPT_TARGET_FLAGS_VOLUME)
6166 handle = sas_device_priv_data->sas_target->handle;
6167 lun = sas_device_priv_data->lun;
6170 if (ioc->shost_recovery)
6173 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6174 r = mpt3sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
6175 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30);
6177 sdev_printk(KERN_WARNING, sdev,
6178 "mpt3sas_scsih_issue_tm: FAILED when sending "
6179 "QUERY_TASK: scmd(%p)\n", scmd);
6180 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6181 goto broadcast_aen_retry;
6183 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
6184 & MPI2_IOCSTATUS_MASK;
6185 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6186 sdev_printk(KERN_WARNING, sdev,
6187 "query task: FAILED with IOCSTATUS(0x%04x), scmd(%p)\n",
6189 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6190 goto broadcast_aen_retry;
6193 /* see if IO is still owned by IOC and target */
6194 if (mpi_reply->ResponseCode ==
6195 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
6196 mpi_reply->ResponseCode ==
6197 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) {
6198 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6201 task_abort_retries = 0;
6203 if (task_abort_retries++ == 60) {
6204 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6205 "%s: ABORT_TASK: giving up\n", ioc->name,
6207 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6208 goto broadcast_aen_retry;
6211 if (ioc->shost_recovery)
6214 r = mpt3sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id,
6215 sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid,
6218 sdev_printk(KERN_WARNING, sdev,
6219 "mpt3sas_scsih_issue_tm: ABORT_TASK: FAILED : "
6220 "scmd(%p)\n", scmd);
6224 if (task_abort_retries > 1)
6225 sdev_printk(KERN_WARNING, sdev,
6226 "mpt3sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):"
6228 task_abort_retries - 1, scmd);
6230 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
6231 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
6234 if (ioc->broadcast_aen_pending) {
6235 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6236 "%s: loop back due to pending AEN\n",
6237 ioc->name, __func__));
6238 ioc->broadcast_aen_pending = 0;
6239 goto broadcast_aen_retry;
6243 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
6246 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6247 "%s - exit, query_count = %d termination_count = %d\n",
6248 ioc->name, __func__, query_count, termination_count));
6250 ioc->broadcast_aen_busy = 0;
6251 if (!ioc->shost_recovery)
6252 _scsih_ublock_io_all_device(ioc);
6253 mutex_unlock(&ioc->tm_cmds.mutex);
6257 * _scsih_sas_discovery_event - handle discovery events
6258 * @ioc: per adapter object
6259 * @fw_event: The fw_event_work object
6265 _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc,
6266 struct fw_event_work *fw_event)
6268 Mpi2EventDataSasDiscovery_t *event_data =
6269 (Mpi2EventDataSasDiscovery_t *) fw_event->event_data;
6271 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
6272 pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name,
6273 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
6275 if (event_data->DiscoveryStatus)
6276 pr_info("discovery_status(0x%08x)",
6277 le32_to_cpu(event_data->DiscoveryStatus));
6281 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
6282 !ioc->sas_hba.num_phys) {
6283 if (disable_discovery > 0 && ioc->shost_recovery) {
6284 /* Wait for the reset to complete */
6285 while (ioc->shost_recovery)
6288 _scsih_sas_host_add(ioc);
6293 * _scsih_ir_fastpath - turn on fastpath for IR physdisk
6294 * @ioc: per adapter object
6295 * @handle: device handle for physical disk
6296 * @phys_disk_num: physical disk number
6298 * Return 0 for success, else failure.
6301 _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num)
6303 Mpi2RaidActionRequest_t *mpi_request;
6304 Mpi2RaidActionReply_t *mpi_reply;
6311 if (ioc->hba_mpi_version_belonged == MPI2_VERSION)
6314 mutex_lock(&ioc->scsih_cmds.mutex);
6316 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
6317 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
6318 ioc->name, __func__);
6322 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
6324 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
6326 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
6327 ioc->name, __func__);
6328 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6333 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
6334 ioc->scsih_cmds.smid = smid;
6335 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
6337 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
6338 mpi_request->Action = MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
6339 mpi_request->PhysDiskNum = phys_disk_num;
6341 dewtprintk(ioc, pr_info(MPT3SAS_FMT "IR RAID_ACTION: turning fast "\
6342 "path on for handle(0x%04x), phys_disk_num (0x%02x)\n", ioc->name,
6343 handle, phys_disk_num));
6345 init_completion(&ioc->scsih_cmds.done);
6346 ioc->put_smid_default(ioc, smid);
6347 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
6349 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
6350 pr_err(MPT3SAS_FMT "%s: timeout\n",
6351 ioc->name, __func__);
6352 if (!(ioc->scsih_cmds.status & MPT3_CMD_RESET))
6358 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
6360 mpi_reply = ioc->scsih_cmds.reply;
6361 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
6362 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
6363 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
6366 ioc_status &= MPI2_IOCSTATUS_MASK;
6367 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6368 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6369 "IR RAID_ACTION: failed: ioc_status(0x%04x), "
6370 "loginfo(0x%08x)!!!\n", ioc->name, ioc_status,
6374 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6375 "IR RAID_ACTION: completed successfully\n",
6380 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
6381 mutex_unlock(&ioc->scsih_cmds.mutex);
6384 mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
6389 * _scsih_reprobe_lun - reprobing lun
6390 * @sdev: scsi device struct
6391 * @no_uld_attach: sdev->no_uld_attach flag setting
6395 _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
6397 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
6398 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
6399 sdev->no_uld_attach ? "hiding" : "exposing");
6400 WARN_ON(scsi_device_reprobe(sdev));
6404 * _scsih_sas_volume_add - add new volume
6405 * @ioc: per adapter object
6406 * @element: IR config element data
6412 _scsih_sas_volume_add(struct MPT3SAS_ADAPTER *ioc,
6413 Mpi2EventIrConfigElement_t *element)
6415 struct _raid_device *raid_device;
6416 unsigned long flags;
6418 u16 handle = le16_to_cpu(element->VolDevHandle);
6421 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6424 "failure at %s:%d/%s()!\n", ioc->name,
6425 __FILE__, __LINE__, __func__);
6429 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6430 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
6431 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6436 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6439 "failure at %s:%d/%s()!\n", ioc->name,
6440 __FILE__, __LINE__, __func__);
6444 raid_device->id = ioc->sas_id++;
6445 raid_device->channel = RAID_CHANNEL;
6446 raid_device->handle = handle;
6447 raid_device->wwid = wwid;
6448 _scsih_raid_device_add(ioc, raid_device);
6449 if (!ioc->wait_for_discovery_to_complete) {
6450 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6451 raid_device->id, 0);
6453 _scsih_raid_device_remove(ioc, raid_device);
6455 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6456 _scsih_determine_boot_device(ioc, raid_device, 1);
6457 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6462 * _scsih_sas_volume_delete - delete volume
6463 * @ioc: per adapter object
6464 * @handle: volume device handle
6470 _scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle)
6472 struct _raid_device *raid_device;
6473 unsigned long flags;
6474 struct MPT3SAS_TARGET *sas_target_priv_data;
6475 struct scsi_target *starget = NULL;
6477 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6478 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
6480 if (raid_device->starget) {
6481 starget = raid_device->starget;
6482 sas_target_priv_data = starget->hostdata;
6483 sas_target_priv_data->deleted = 1;
6485 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
6486 ioc->name, raid_device->handle,
6487 (unsigned long long) raid_device->wwid);
6488 list_del(&raid_device->list);
6491 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6493 scsi_remove_target(&starget->dev);
6497 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
6498 * @ioc: per adapter object
6499 * @element: IR config element data
6505 _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc,
6506 Mpi2EventIrConfigElement_t *element)
6508 struct _sas_device *sas_device;
6509 struct scsi_target *starget = NULL;
6510 struct MPT3SAS_TARGET *sas_target_priv_data;
6511 unsigned long flags;
6512 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6514 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6515 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
6517 sas_device->volume_handle = 0;
6518 sas_device->volume_wwid = 0;
6519 clear_bit(handle, ioc->pd_handles);
6520 if (sas_device->starget && sas_device->starget->hostdata) {
6521 starget = sas_device->starget;
6522 sas_target_priv_data = starget->hostdata;
6523 sas_target_priv_data->flags &=
6524 ~MPT_TARGET_FLAGS_RAID_COMPONENT;
6527 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6531 /* exposing raid component */
6533 starget_for_each_device(starget, NULL, _scsih_reprobe_lun);
6535 sas_device_put(sas_device);
6539 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
6540 * @ioc: per adapter object
6541 * @element: IR config element data
6547 _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc,
6548 Mpi2EventIrConfigElement_t *element)
6550 struct _sas_device *sas_device;
6551 struct scsi_target *starget = NULL;
6552 struct MPT3SAS_TARGET *sas_target_priv_data;
6553 unsigned long flags;
6554 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6555 u16 volume_handle = 0;
6556 u64 volume_wwid = 0;
6558 mpt3sas_config_get_volume_handle(ioc, handle, &volume_handle);
6560 mpt3sas_config_get_volume_wwid(ioc, volume_handle,
6563 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6564 sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle);
6566 set_bit(handle, ioc->pd_handles);
6567 if (sas_device->starget && sas_device->starget->hostdata) {
6568 starget = sas_device->starget;
6569 sas_target_priv_data = starget->hostdata;
6570 sas_target_priv_data->flags |=
6571 MPT_TARGET_FLAGS_RAID_COMPONENT;
6572 sas_device->volume_handle = volume_handle;
6573 sas_device->volume_wwid = volume_wwid;
6576 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6580 /* hiding raid component */
6581 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
6584 starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun);
6586 sas_device_put(sas_device);
6590 * _scsih_sas_pd_delete - delete pd component
6591 * @ioc: per adapter object
6592 * @element: IR config element data
6598 _scsih_sas_pd_delete(struct MPT3SAS_ADAPTER *ioc,
6599 Mpi2EventIrConfigElement_t *element)
6601 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6603 _scsih_device_remove_by_handle(ioc, handle);
6607 * _scsih_sas_pd_add - remove pd component
6608 * @ioc: per adapter object
6609 * @element: IR config element data
6615 _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc,
6616 Mpi2EventIrConfigElement_t *element)
6618 struct _sas_device *sas_device;
6619 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
6620 Mpi2ConfigReply_t mpi_reply;
6621 Mpi2SasDevicePage0_t sas_device_pg0;
6626 set_bit(handle, ioc->pd_handles);
6628 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
6630 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
6631 sas_device_put(sas_device);
6635 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
6636 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
6637 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6638 ioc->name, __FILE__, __LINE__, __func__);
6642 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6643 MPI2_IOCSTATUS_MASK;
6644 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6645 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6646 ioc->name, __FILE__, __LINE__, __func__);
6650 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6651 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6652 mpt3sas_transport_update_links(ioc, sas_address, handle,
6653 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6655 _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum);
6656 _scsih_add_device(ioc, handle, 0, 1);
6660 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
6661 * @ioc: per adapter object
6662 * @event_data: event data payload
6668 _scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc,
6669 Mpi2EventDataIrConfigChangeList_t *event_data)
6671 Mpi2EventIrConfigElement_t *element;
6674 char *reason_str = NULL, *element_str = NULL;
6676 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6678 pr_info(MPT3SAS_FMT "raid config change: (%s), elements(%d)\n",
6679 ioc->name, (le32_to_cpu(event_data->Flags) &
6680 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
6681 "foreign" : "native", event_data->NumElements);
6682 for (i = 0; i < event_data->NumElements; i++, element++) {
6683 switch (element->ReasonCode) {
6684 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6687 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6688 reason_str = "remove";
6690 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
6691 reason_str = "no change";
6693 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6694 reason_str = "hide";
6696 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6697 reason_str = "unhide";
6699 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6700 reason_str = "volume_created";
6702 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6703 reason_str = "volume_deleted";
6705 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6706 reason_str = "pd_created";
6708 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6709 reason_str = "pd_deleted";
6712 reason_str = "unknown reason";
6715 element_type = le16_to_cpu(element->ElementFlags) &
6716 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
6717 switch (element_type) {
6718 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
6719 element_str = "volume";
6721 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
6722 element_str = "phys disk";
6724 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
6725 element_str = "hot spare";
6728 element_str = "unknown element";
6731 pr_info("\t(%s:%s), vol handle(0x%04x), " \
6732 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
6733 reason_str, le16_to_cpu(element->VolDevHandle),
6734 le16_to_cpu(element->PhysDiskDevHandle),
6735 element->PhysDiskNum);
6740 * _scsih_sas_ir_config_change_event - handle ir configuration change events
6741 * @ioc: per adapter object
6742 * @fw_event: The fw_event_work object
6748 _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc,
6749 struct fw_event_work *fw_event)
6751 Mpi2EventIrConfigElement_t *element;
6754 Mpi2EventDataIrConfigChangeList_t *event_data =
6755 (Mpi2EventDataIrConfigChangeList_t *)
6756 fw_event->event_data;
6758 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
6759 (!ioc->hide_ir_msg))
6760 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
6762 foreign_config = (le32_to_cpu(event_data->Flags) &
6763 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
6765 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
6766 if (ioc->shost_recovery &&
6767 ioc->hba_mpi_version_belonged != MPI2_VERSION) {
6768 for (i = 0; i < event_data->NumElements; i++, element++) {
6769 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE)
6770 _scsih_ir_fastpath(ioc,
6771 le16_to_cpu(element->PhysDiskDevHandle),
6772 element->PhysDiskNum);
6777 for (i = 0; i < event_data->NumElements; i++, element++) {
6779 switch (element->ReasonCode) {
6780 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
6781 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
6782 if (!foreign_config)
6783 _scsih_sas_volume_add(ioc, element);
6785 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
6786 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
6787 if (!foreign_config)
6788 _scsih_sas_volume_delete(ioc,
6789 le16_to_cpu(element->VolDevHandle));
6791 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
6792 if (!ioc->is_warpdrive)
6793 _scsih_sas_pd_hide(ioc, element);
6795 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
6796 if (!ioc->is_warpdrive)
6797 _scsih_sas_pd_expose(ioc, element);
6799 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
6800 if (!ioc->is_warpdrive)
6801 _scsih_sas_pd_add(ioc, element);
6803 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
6804 if (!ioc->is_warpdrive)
6805 _scsih_sas_pd_delete(ioc, element);
6812 * _scsih_sas_ir_volume_event - IR volume event
6813 * @ioc: per adapter object
6814 * @fw_event: The fw_event_work object
6820 _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc,
6821 struct fw_event_work *fw_event)
6824 unsigned long flags;
6825 struct _raid_device *raid_device;
6829 Mpi2EventDataIrVolume_t *event_data =
6830 (Mpi2EventDataIrVolume_t *) fw_event->event_data;
6832 if (ioc->shost_recovery)
6835 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
6838 handle = le16_to_cpu(event_data->VolDevHandle);
6839 state = le32_to_cpu(event_data->NewValue);
6840 if (!ioc->hide_ir_msg)
6841 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6842 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6843 ioc->name, __func__, handle,
6844 le32_to_cpu(event_data->PreviousValue), state));
6846 case MPI2_RAID_VOL_STATE_MISSING:
6847 case MPI2_RAID_VOL_STATE_FAILED:
6848 _scsih_sas_volume_delete(ioc, handle);
6851 case MPI2_RAID_VOL_STATE_ONLINE:
6852 case MPI2_RAID_VOL_STATE_DEGRADED:
6853 case MPI2_RAID_VOL_STATE_OPTIMAL:
6855 spin_lock_irqsave(&ioc->raid_device_lock, flags);
6856 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
6857 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6862 mpt3sas_config_get_volume_wwid(ioc, handle, &wwid);
6865 "failure at %s:%d/%s()!\n", ioc->name,
6866 __FILE__, __LINE__, __func__);
6870 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
6873 "failure at %s:%d/%s()!\n", ioc->name,
6874 __FILE__, __LINE__, __func__);
6878 raid_device->id = ioc->sas_id++;
6879 raid_device->channel = RAID_CHANNEL;
6880 raid_device->handle = handle;
6881 raid_device->wwid = wwid;
6882 _scsih_raid_device_add(ioc, raid_device);
6883 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6884 raid_device->id, 0);
6886 _scsih_raid_device_remove(ioc, raid_device);
6889 case MPI2_RAID_VOL_STATE_INITIALIZING:
6896 * _scsih_sas_ir_physical_disk_event - PD event
6897 * @ioc: per adapter object
6898 * @fw_event: The fw_event_work object
6904 _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc,
6905 struct fw_event_work *fw_event)
6907 u16 handle, parent_handle;
6909 struct _sas_device *sas_device;
6910 Mpi2ConfigReply_t mpi_reply;
6911 Mpi2SasDevicePage0_t sas_device_pg0;
6913 Mpi2EventDataIrPhysicalDisk_t *event_data =
6914 (Mpi2EventDataIrPhysicalDisk_t *) fw_event->event_data;
6917 if (ioc->shost_recovery)
6920 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
6923 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
6924 state = le32_to_cpu(event_data->NewValue);
6926 if (!ioc->hide_ir_msg)
6927 dewtprintk(ioc, pr_info(MPT3SAS_FMT
6928 "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n",
6929 ioc->name, __func__, handle,
6930 le32_to_cpu(event_data->PreviousValue), state));
6933 case MPI2_RAID_PD_STATE_ONLINE:
6934 case MPI2_RAID_PD_STATE_DEGRADED:
6935 case MPI2_RAID_PD_STATE_REBUILDING:
6936 case MPI2_RAID_PD_STATE_OPTIMAL:
6937 case MPI2_RAID_PD_STATE_HOT_SPARE:
6939 if (!ioc->is_warpdrive)
6940 set_bit(handle, ioc->pd_handles);
6942 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
6944 sas_device_put(sas_device);
6948 if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
6949 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
6951 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6952 ioc->name, __FILE__, __LINE__, __func__);
6956 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6957 MPI2_IOCSTATUS_MASK;
6958 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
6959 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
6960 ioc->name, __FILE__, __LINE__, __func__);
6964 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
6965 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
6966 mpt3sas_transport_update_links(ioc, sas_address, handle,
6967 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
6969 _scsih_add_device(ioc, handle, 0, 1);
6973 case MPI2_RAID_PD_STATE_OFFLINE:
6974 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
6975 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
6982 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
6983 * @ioc: per adapter object
6984 * @event_data: event data payload
6990 _scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc,
6991 Mpi2EventDataIrOperationStatus_t *event_data)
6993 char *reason_str = NULL;
6995 switch (event_data->RAIDOperation) {
6996 case MPI2_EVENT_IR_RAIDOP_RESYNC:
6997 reason_str = "resync";
6999 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
7000 reason_str = "online capacity expansion";
7002 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
7003 reason_str = "consistency check";
7005 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
7006 reason_str = "background init";
7008 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
7009 reason_str = "make data consistent";
7016 pr_info(MPT3SAS_FMT "raid operational status: (%s)" \
7017 "\thandle(0x%04x), percent complete(%d)\n",
7018 ioc->name, reason_str,
7019 le16_to_cpu(event_data->VolDevHandle),
7020 event_data->PercentComplete);
7024 * _scsih_sas_ir_operation_status_event - handle RAID operation events
7025 * @ioc: per adapter object
7026 * @fw_event: The fw_event_work object
7032 _scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc,
7033 struct fw_event_work *fw_event)
7035 Mpi2EventDataIrOperationStatus_t *event_data =
7036 (Mpi2EventDataIrOperationStatus_t *)
7037 fw_event->event_data;
7038 static struct _raid_device *raid_device;
7039 unsigned long flags;
7042 if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) &&
7043 (!ioc->hide_ir_msg))
7044 _scsih_sas_ir_operation_status_event_debug(ioc,
7047 /* code added for raid transport support */
7048 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
7050 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7051 handle = le16_to_cpu(event_data->VolDevHandle);
7052 raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle);
7054 raid_device->percent_complete =
7055 event_data->PercentComplete;
7056 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7061 * _scsih_prep_device_scan - initialize parameters prior to device scan
7062 * @ioc: per adapter object
7064 * Set the deleted flag prior to device scan. If the device is found during
7065 * the scan, then we clear the deleted flag.
7068 _scsih_prep_device_scan(struct MPT3SAS_ADAPTER *ioc)
7070 struct MPT3SAS_DEVICE *sas_device_priv_data;
7071 struct scsi_device *sdev;
7073 shost_for_each_device(sdev, ioc->shost) {
7074 sas_device_priv_data = sdev->hostdata;
7075 if (sas_device_priv_data && sas_device_priv_data->sas_target)
7076 sas_device_priv_data->sas_target->deleted = 1;
7081 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
7082 * @ioc: per adapter object
7083 * @sas_device_pg0: SAS Device page 0
7085 * After host reset, find out whether devices are still responding.
7086 * Used in _scsih_remove_unresponsive_sas_devices.
7091 _scsih_mark_responding_sas_device(struct MPT3SAS_ADAPTER *ioc,
7092 Mpi2SasDevicePage0_t *sas_device_pg0)
7094 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
7095 struct scsi_target *starget;
7096 struct _sas_device *sas_device;
7097 unsigned long flags;
7099 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7100 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
7101 if ((sas_device->sas_address == sas_device_pg0->SASAddress) &&
7102 (sas_device->slot == sas_device_pg0->Slot)) {
7103 sas_device->responding = 1;
7104 starget = sas_device->starget;
7105 if (starget && starget->hostdata) {
7106 sas_target_priv_data = starget->hostdata;
7107 sas_target_priv_data->tm_busy = 0;
7108 sas_target_priv_data->deleted = 0;
7110 sas_target_priv_data = NULL;
7112 starget_printk(KERN_INFO, starget,
7113 "handle(0x%04x), sas_addr(0x%016llx)\n",
7114 sas_device_pg0->DevHandle,
7115 (unsigned long long)
7116 sas_device->sas_address);
7118 if (sas_device->enclosure_handle != 0)
7119 starget_printk(KERN_INFO, starget,
7120 "enclosure logical id(0x%016llx),"
7122 (unsigned long long)
7123 sas_device->enclosure_logical_id,
7126 if (sas_device_pg0->Flags &
7127 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
7128 sas_device->enclosure_level =
7129 sas_device_pg0->EnclosureLevel;
7130 memcpy(&sas_device->connector_name[0],
7131 &sas_device_pg0->ConnectorName[0], 4);
7133 sas_device->enclosure_level = 0;
7134 sas_device->connector_name[0] = '\0';
7137 if (sas_device->handle == sas_device_pg0->DevHandle)
7139 pr_info("\thandle changed from(0x%04x)!!!\n",
7140 sas_device->handle);
7141 sas_device->handle = sas_device_pg0->DevHandle;
7142 if (sas_target_priv_data)
7143 sas_target_priv_data->handle =
7144 sas_device_pg0->DevHandle;
7149 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7153 * _scsih_search_responding_sas_devices -
7154 * @ioc: per adapter object
7156 * After host reset, find out whether devices are still responding.
7162 _scsih_search_responding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7164 Mpi2SasDevicePage0_t sas_device_pg0;
7165 Mpi2ConfigReply_t mpi_reply;
7170 pr_info(MPT3SAS_FMT "search for end-devices: start\n", ioc->name);
7172 if (list_empty(&ioc->sas_device_list))
7176 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7177 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7179 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7180 MPI2_IOCSTATUS_MASK;
7181 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7183 handle = sas_device_pg0.DevHandle =
7184 le16_to_cpu(sas_device_pg0.DevHandle);
7185 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
7186 if (!(_scsih_is_end_device(device_info)))
7188 sas_device_pg0.SASAddress =
7189 le64_to_cpu(sas_device_pg0.SASAddress);
7190 sas_device_pg0.Slot = le16_to_cpu(sas_device_pg0.Slot);
7191 sas_device_pg0.Flags = le16_to_cpu(sas_device_pg0.Flags);
7192 _scsih_mark_responding_sas_device(ioc, &sas_device_pg0);
7196 pr_info(MPT3SAS_FMT "search for end-devices: complete\n",
7201 * _scsih_mark_responding_raid_device - mark a raid_device as responding
7202 * @ioc: per adapter object
7203 * @wwid: world wide identifier for raid volume
7204 * @handle: device handle
7206 * After host reset, find out whether devices are still responding.
7207 * Used in _scsih_remove_unresponsive_raid_devices.
7212 _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid,
7215 struct MPT3SAS_TARGET *sas_target_priv_data = NULL;
7216 struct scsi_target *starget;
7217 struct _raid_device *raid_device;
7218 unsigned long flags;
7220 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7221 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
7222 if (raid_device->wwid == wwid && raid_device->starget) {
7223 starget = raid_device->starget;
7224 if (starget && starget->hostdata) {
7225 sas_target_priv_data = starget->hostdata;
7226 sas_target_priv_data->deleted = 0;
7228 sas_target_priv_data = NULL;
7229 raid_device->responding = 1;
7230 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7231 starget_printk(KERN_INFO, raid_device->starget,
7232 "handle(0x%04x), wwid(0x%016llx)\n", handle,
7233 (unsigned long long)raid_device->wwid);
7236 * WARPDRIVE: The handles of the PDs might have changed
7237 * across the host reset so re-initialize the
7238 * required data for Direct IO
7240 mpt3sas_init_warpdrive_properties(ioc, raid_device);
7241 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7242 if (raid_device->handle == handle) {
7243 spin_unlock_irqrestore(&ioc->raid_device_lock,
7247 pr_info("\thandle changed from(0x%04x)!!!\n",
7248 raid_device->handle);
7249 raid_device->handle = handle;
7250 if (sas_target_priv_data)
7251 sas_target_priv_data->handle = handle;
7252 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7256 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7260 * _scsih_search_responding_raid_devices -
7261 * @ioc: per adapter object
7263 * After host reset, find out whether devices are still responding.
7269 _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc)
7271 Mpi2RaidVolPage1_t volume_pg1;
7272 Mpi2RaidVolPage0_t volume_pg0;
7273 Mpi2RaidPhysDiskPage0_t pd_pg0;
7274 Mpi2ConfigReply_t mpi_reply;
7279 if (!ioc->ir_firmware)
7282 pr_info(MPT3SAS_FMT "search for raid volumes: start\n",
7285 if (list_empty(&ioc->raid_device_list))
7289 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7290 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7291 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7292 MPI2_IOCSTATUS_MASK;
7293 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7295 handle = le16_to_cpu(volume_pg1.DevHandle);
7297 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7298 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7299 sizeof(Mpi2RaidVolPage0_t)))
7302 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7303 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7304 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
7305 _scsih_mark_responding_raid_device(ioc,
7306 le64_to_cpu(volume_pg1.WWID), handle);
7309 /* refresh the pd_handles */
7310 if (!ioc->is_warpdrive) {
7311 phys_disk_num = 0xFF;
7312 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
7313 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7314 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7316 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7317 MPI2_IOCSTATUS_MASK;
7318 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7320 phys_disk_num = pd_pg0.PhysDiskNum;
7321 handle = le16_to_cpu(pd_pg0.DevHandle);
7322 set_bit(handle, ioc->pd_handles);
7326 pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n",
7331 * _scsih_mark_responding_expander - mark a expander as responding
7332 * @ioc: per adapter object
7333 * @sas_address: sas address
7336 * After host reset, find out whether devices are still responding.
7337 * Used in _scsih_remove_unresponsive_expanders.
7342 _scsih_mark_responding_expander(struct MPT3SAS_ADAPTER *ioc, u64 sas_address,
7345 struct _sas_node *sas_expander;
7346 unsigned long flags;
7349 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7350 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
7351 if (sas_expander->sas_address != sas_address)
7353 sas_expander->responding = 1;
7354 if (sas_expander->handle == handle)
7356 pr_info("\texpander(0x%016llx): handle changed" \
7357 " from(0x%04x) to (0x%04x)!!!\n",
7358 (unsigned long long)sas_expander->sas_address,
7359 sas_expander->handle, handle);
7360 sas_expander->handle = handle;
7361 for (i = 0 ; i < sas_expander->num_phys ; i++)
7362 sas_expander->phy[i].handle = handle;
7366 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7370 * _scsih_search_responding_expanders -
7371 * @ioc: per adapter object
7373 * After host reset, find out whether devices are still responding.
7379 _scsih_search_responding_expanders(struct MPT3SAS_ADAPTER *ioc)
7381 Mpi2ExpanderPage0_t expander_pg0;
7382 Mpi2ConfigReply_t mpi_reply;
7387 pr_info(MPT3SAS_FMT "search for expanders: start\n", ioc->name);
7389 if (list_empty(&ioc->sas_expander_list))
7393 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7394 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7396 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7397 MPI2_IOCSTATUS_MASK;
7398 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
7401 handle = le16_to_cpu(expander_pg0.DevHandle);
7402 sas_address = le64_to_cpu(expander_pg0.SASAddress);
7403 pr_info("\texpander present: handle(0x%04x), sas_addr(0x%016llx)\n",
7405 (unsigned long long)sas_address);
7406 _scsih_mark_responding_expander(ioc, sas_address, handle);
7410 pr_info(MPT3SAS_FMT "search for expanders: complete\n", ioc->name);
7414 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
7415 * @ioc: per adapter object
7420 _scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc)
7422 struct _sas_device *sas_device, *sas_device_next;
7423 struct _sas_node *sas_expander, *sas_expander_next;
7424 struct _raid_device *raid_device, *raid_device_next;
7425 struct list_head tmp_list;
7426 unsigned long flags;
7429 pr_info(MPT3SAS_FMT "removing unresponding devices: start\n",
7432 /* removing unresponding end devices */
7433 pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n",
7436 * Iterate, pulling off devices marked as non-responding. We become the
7437 * owner for the reference the list had on any object we prune.
7439 spin_lock_irqsave(&ioc->sas_device_lock, flags);
7440 list_for_each_entry_safe(sas_device, sas_device_next,
7441 &ioc->sas_device_list, list) {
7442 if (!sas_device->responding)
7443 list_move_tail(&sas_device->list, &head);
7445 sas_device->responding = 0;
7447 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
7450 * Now, uninitialize and remove the unresponding devices we pruned.
7452 list_for_each_entry_safe(sas_device, sas_device_next, &head, list) {
7453 _scsih_remove_device(ioc, sas_device);
7454 list_del_init(&sas_device->list);
7455 sas_device_put(sas_device);
7458 /* removing unresponding volumes */
7459 if (ioc->ir_firmware) {
7460 pr_info(MPT3SAS_FMT "removing unresponding devices: volumes\n",
7462 list_for_each_entry_safe(raid_device, raid_device_next,
7463 &ioc->raid_device_list, list) {
7464 if (!raid_device->responding)
7465 _scsih_sas_volume_delete(ioc,
7466 raid_device->handle);
7468 raid_device->responding = 0;
7472 /* removing unresponding expanders */
7473 pr_info(MPT3SAS_FMT "removing unresponding devices: expanders\n",
7475 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7476 INIT_LIST_HEAD(&tmp_list);
7477 list_for_each_entry_safe(sas_expander, sas_expander_next,
7478 &ioc->sas_expander_list, list) {
7479 if (!sas_expander->responding)
7480 list_move_tail(&sas_expander->list, &tmp_list);
7482 sas_expander->responding = 0;
7484 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7485 list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list,
7487 list_del(&sas_expander->list);
7488 _scsih_expander_node_remove(ioc, sas_expander);
7491 pr_info(MPT3SAS_FMT "removing unresponding devices: complete\n",
7494 /* unblock devices */
7495 _scsih_ublock_io_all_device(ioc);
7499 _scsih_refresh_expander_links(struct MPT3SAS_ADAPTER *ioc,
7500 struct _sas_node *sas_expander, u16 handle)
7502 Mpi2ExpanderPage1_t expander_pg1;
7503 Mpi2ConfigReply_t mpi_reply;
7506 for (i = 0 ; i < sas_expander->num_phys ; i++) {
7507 if ((mpt3sas_config_get_expander_pg1(ioc, &mpi_reply,
7508 &expander_pg1, i, handle))) {
7509 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
7510 ioc->name, __FILE__, __LINE__, __func__);
7514 mpt3sas_transport_update_links(ioc, sas_expander->sas_address,
7515 le16_to_cpu(expander_pg1.AttachedDevHandle), i,
7516 expander_pg1.NegotiatedLinkRate >> 4);
7521 * _scsih_scan_for_devices_after_reset - scan for devices after host reset
7522 * @ioc: per adapter object
7527 _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc)
7529 Mpi2ExpanderPage0_t expander_pg0;
7530 Mpi2SasDevicePage0_t sas_device_pg0;
7531 Mpi2RaidVolPage1_t volume_pg1;
7532 Mpi2RaidVolPage0_t volume_pg0;
7533 Mpi2RaidPhysDiskPage0_t pd_pg0;
7534 Mpi2EventIrConfigElement_t element;
7535 Mpi2ConfigReply_t mpi_reply;
7538 u16 handle, parent_handle;
7540 struct _sas_device *sas_device;
7541 struct _sas_node *expander_device;
7542 static struct _raid_device *raid_device;
7544 unsigned long flags;
7546 pr_info(MPT3SAS_FMT "scan devices: start\n", ioc->name);
7548 _scsih_sas_host_refresh(ioc);
7550 pr_info(MPT3SAS_FMT "\tscan devices: expanders start\n", ioc->name);
7554 while (!(mpt3sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
7555 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
7556 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7557 MPI2_IOCSTATUS_MASK;
7558 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7559 pr_info(MPT3SAS_FMT "\tbreak from expander scan: " \
7560 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7561 ioc->name, ioc_status,
7562 le32_to_cpu(mpi_reply.IOCLogInfo));
7565 handle = le16_to_cpu(expander_pg0.DevHandle);
7566 spin_lock_irqsave(&ioc->sas_node_lock, flags);
7567 expander_device = mpt3sas_scsih_expander_find_by_sas_address(
7568 ioc, le64_to_cpu(expander_pg0.SASAddress));
7569 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
7570 if (expander_device)
7571 _scsih_refresh_expander_links(ioc, expander_device,
7574 pr_info(MPT3SAS_FMT "\tBEFORE adding expander: " \
7575 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7576 handle, (unsigned long long)
7577 le64_to_cpu(expander_pg0.SASAddress));
7578 _scsih_expander_add(ioc, handle);
7579 pr_info(MPT3SAS_FMT "\tAFTER adding expander: " \
7580 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7581 handle, (unsigned long long)
7582 le64_to_cpu(expander_pg0.SASAddress));
7586 pr_info(MPT3SAS_FMT "\tscan devices: expanders complete\n",
7589 if (!ioc->ir_firmware)
7592 pr_info(MPT3SAS_FMT "\tscan devices: phys disk start\n", ioc->name);
7595 phys_disk_num = 0xFF;
7596 while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
7597 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
7599 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7600 MPI2_IOCSTATUS_MASK;
7601 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7602 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan: "\
7603 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7604 ioc->name, ioc_status,
7605 le32_to_cpu(mpi_reply.IOCLogInfo));
7608 phys_disk_num = pd_pg0.PhysDiskNum;
7609 handle = le16_to_cpu(pd_pg0.DevHandle);
7610 sas_device = mpt3sas_get_sdev_by_handle(ioc, handle);
7612 sas_device_put(sas_device);
7615 if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7616 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
7619 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7620 MPI2_IOCSTATUS_MASK;
7621 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7622 pr_info(MPT3SAS_FMT "\tbreak from phys disk scan " \
7623 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7624 ioc->name, ioc_status,
7625 le32_to_cpu(mpi_reply.IOCLogInfo));
7628 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7629 if (!_scsih_get_sas_address(ioc, parent_handle,
7631 pr_info(MPT3SAS_FMT "\tBEFORE adding phys disk: " \
7632 " handle (0x%04x), sas_addr(0x%016llx)\n",
7633 ioc->name, handle, (unsigned long long)
7634 le64_to_cpu(sas_device_pg0.SASAddress));
7635 mpt3sas_transport_update_links(ioc, sas_address,
7636 handle, sas_device_pg0.PhyNum,
7637 MPI2_SAS_NEG_LINK_RATE_1_5);
7638 set_bit(handle, ioc->pd_handles);
7640 /* This will retry adding the end device.
7641 * _scsih_add_device() will decide on retries and
7642 * return "1" when it should be retried
7644 while (_scsih_add_device(ioc, handle, retry_count++,
7648 pr_info(MPT3SAS_FMT "\tAFTER adding phys disk: " \
7649 " handle (0x%04x), sas_addr(0x%016llx)\n",
7650 ioc->name, handle, (unsigned long long)
7651 le64_to_cpu(sas_device_pg0.SASAddress));
7655 pr_info(MPT3SAS_FMT "\tscan devices: phys disk complete\n",
7658 pr_info(MPT3SAS_FMT "\tscan devices: volumes start\n", ioc->name);
7662 while (!(mpt3sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
7663 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
7664 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7665 MPI2_IOCSTATUS_MASK;
7666 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7667 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7668 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7669 ioc->name, ioc_status,
7670 le32_to_cpu(mpi_reply.IOCLogInfo));
7673 handle = le16_to_cpu(volume_pg1.DevHandle);
7674 spin_lock_irqsave(&ioc->raid_device_lock, flags);
7675 raid_device = _scsih_raid_device_find_by_wwid(ioc,
7676 le64_to_cpu(volume_pg1.WWID));
7677 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
7680 if (mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
7681 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
7682 sizeof(Mpi2RaidVolPage0_t)))
7684 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7685 MPI2_IOCSTATUS_MASK;
7686 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7687 pr_info(MPT3SAS_FMT "\tbreak from volume scan: " \
7688 "ioc_status(0x%04x), loginfo(0x%08x)\n",
7689 ioc->name, ioc_status,
7690 le32_to_cpu(mpi_reply.IOCLogInfo));
7693 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
7694 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
7695 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) {
7696 memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t));
7697 element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED;
7698 element.VolDevHandle = volume_pg1.DevHandle;
7700 "\tBEFORE adding volume: handle (0x%04x)\n",
7701 ioc->name, volume_pg1.DevHandle);
7702 _scsih_sas_volume_add(ioc, &element);
7704 "\tAFTER adding volume: handle (0x%04x)\n",
7705 ioc->name, volume_pg1.DevHandle);
7709 pr_info(MPT3SAS_FMT "\tscan devices: volumes complete\n",
7714 pr_info(MPT3SAS_FMT "\tscan devices: end devices start\n",
7719 while (!(mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply,
7720 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
7722 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
7723 MPI2_IOCSTATUS_MASK;
7724 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
7725 pr_info(MPT3SAS_FMT "\tbreak from end device scan:"\
7726 " ioc_status(0x%04x), loginfo(0x%08x)\n",
7727 ioc->name, ioc_status,
7728 le32_to_cpu(mpi_reply.IOCLogInfo));
7731 handle = le16_to_cpu(sas_device_pg0.DevHandle);
7732 if (!(_scsih_is_end_device(
7733 le32_to_cpu(sas_device_pg0.DeviceInfo))))
7735 sas_device = mpt3sas_get_sdev_by_addr(ioc,
7736 le64_to_cpu(sas_device_pg0.SASAddress));
7738 sas_device_put(sas_device);
7741 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
7742 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) {
7743 pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \
7744 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7745 handle, (unsigned long long)
7746 le64_to_cpu(sas_device_pg0.SASAddress));
7747 mpt3sas_transport_update_links(ioc, sas_address, handle,
7748 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
7750 /* This will retry adding the end device.
7751 * _scsih_add_device() will decide on retries and
7752 * return "1" when it should be retried
7754 while (_scsih_add_device(ioc, handle, retry_count++,
7758 pr_info(MPT3SAS_FMT "\tAFTER adding end device: " \
7759 "handle (0x%04x), sas_addr(0x%016llx)\n", ioc->name,
7760 handle, (unsigned long long)
7761 le64_to_cpu(sas_device_pg0.SASAddress));
7764 pr_info(MPT3SAS_FMT "\tscan devices: end devices complete\n",
7767 pr_info(MPT3SAS_FMT "scan devices: complete\n", ioc->name);
7770 * mpt3sas_scsih_reset_handler - reset callback handler (for scsih)
7771 * @ioc: per adapter object
7772 * @reset_phase: phase
7774 * The handler for doing any required cleanup or initialization.
7776 * The reset phase can be MPT3_IOC_PRE_RESET, MPT3_IOC_AFTER_RESET,
7777 * MPT3_IOC_DONE_RESET
7782 mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase)
7784 switch (reset_phase) {
7785 case MPT3_IOC_PRE_RESET:
7786 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7787 "%s: MPT3_IOC_PRE_RESET\n", ioc->name, __func__));
7789 case MPT3_IOC_AFTER_RESET:
7790 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7791 "%s: MPT3_IOC_AFTER_RESET\n", ioc->name, __func__));
7792 if (ioc->scsih_cmds.status & MPT3_CMD_PENDING) {
7793 ioc->scsih_cmds.status |= MPT3_CMD_RESET;
7794 mpt3sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
7795 complete(&ioc->scsih_cmds.done);
7797 if (ioc->tm_cmds.status & MPT3_CMD_PENDING) {
7798 ioc->tm_cmds.status |= MPT3_CMD_RESET;
7799 mpt3sas_base_free_smid(ioc, ioc->tm_cmds.smid);
7800 complete(&ioc->tm_cmds.done);
7803 memset(ioc->pend_os_device_add, 0, ioc->pend_os_device_add_sz);
7804 memset(ioc->device_remove_in_progress, 0,
7805 ioc->device_remove_in_progress_sz);
7806 _scsih_fw_event_cleanup_queue(ioc);
7807 _scsih_flush_running_cmds(ioc);
7809 case MPT3_IOC_DONE_RESET:
7810 dtmprintk(ioc, pr_info(MPT3SAS_FMT
7811 "%s: MPT3_IOC_DONE_RESET\n", ioc->name, __func__));
7812 if ((!ioc->is_driver_loading) && !(disable_discovery > 0 &&
7813 !ioc->sas_hba.num_phys)) {
7814 _scsih_prep_device_scan(ioc);
7815 _scsih_search_responding_sas_devices(ioc);
7816 _scsih_search_responding_raid_devices(ioc);
7817 _scsih_search_responding_expanders(ioc);
7818 _scsih_error_recovery_delete_devices(ioc);
7825 * _mpt3sas_fw_work - delayed task for processing firmware events
7826 * @ioc: per adapter object
7827 * @fw_event: The fw_event_work object
7833 _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
7835 _scsih_fw_event_del_from_list(ioc, fw_event);
7837 /* the queue is being flushed so ignore this event */
7838 if (ioc->remove_host || ioc->pci_error_recovery) {
7839 fw_event_work_put(fw_event);
7843 switch (fw_event->event) {
7844 case MPT3SAS_PROCESS_TRIGGER_DIAG:
7845 mpt3sas_process_trigger_data(ioc,
7846 (struct SL_WH_TRIGGERS_EVENT_DATA_T *)
7847 fw_event->event_data);
7849 case MPT3SAS_REMOVE_UNRESPONDING_DEVICES:
7850 while (scsi_host_in_recovery(ioc->shost) ||
7851 ioc->shost_recovery) {
7853 * If we're unloading, bail. Otherwise, this can become
7856 if (ioc->remove_host)
7860 _scsih_remove_unresponding_sas_devices(ioc);
7861 _scsih_scan_for_devices_after_reset(ioc);
7863 case MPT3SAS_PORT_ENABLE_COMPLETE:
7864 ioc->start_scan = 0;
7865 if (missing_delay[0] != -1 && missing_delay[1] != -1)
7866 mpt3sas_base_update_missing_delay(ioc, missing_delay[0],
7868 dewtprintk(ioc, pr_info(MPT3SAS_FMT
7869 "port enable: complete from worker thread\n",
7872 case MPT3SAS_TURN_ON_PFA_LED:
7873 _scsih_turn_on_pfa_led(ioc, fw_event->device_handle);
7875 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7876 _scsih_sas_topology_change_event(ioc, fw_event);
7878 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
7879 _scsih_sas_device_status_change_event(ioc, fw_event);
7881 case MPI2_EVENT_SAS_DISCOVERY:
7882 _scsih_sas_discovery_event(ioc, fw_event);
7884 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7885 _scsih_sas_broadcast_primitive_event(ioc, fw_event);
7887 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
7888 _scsih_sas_enclosure_dev_status_change_event(ioc,
7891 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7892 _scsih_sas_ir_config_change_event(ioc, fw_event);
7894 case MPI2_EVENT_IR_VOLUME:
7895 _scsih_sas_ir_volume_event(ioc, fw_event);
7897 case MPI2_EVENT_IR_PHYSICAL_DISK:
7898 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
7900 case MPI2_EVENT_IR_OPERATION_STATUS:
7901 _scsih_sas_ir_operation_status_event(ioc, fw_event);
7905 fw_event_work_put(fw_event);
7909 * _firmware_event_work
7910 * @ioc: per adapter object
7911 * @work: The fw_event_work object
7914 * wrappers for the work thread handling firmware events
7920 _firmware_event_work(struct work_struct *work)
7922 struct fw_event_work *fw_event = container_of(work,
7923 struct fw_event_work, work);
7925 _mpt3sas_fw_work(fw_event->ioc, fw_event);
7929 * mpt3sas_scsih_event_callback - firmware event handler (called at ISR time)
7930 * @ioc: per adapter object
7931 * @msix_index: MSIX table index supplied by the OS
7932 * @reply: reply message frame(lower 32bit addr)
7933 * Context: interrupt.
7935 * This function merely adds a new work task into ioc->firmware_event_thread.
7936 * The tasks are worked from _firmware_event_work in user context.
7938 * Return 1 meaning mf should be freed from _base_interrupt
7939 * 0 means the mf is freed from this function.
7942 mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index,
7945 struct fw_event_work *fw_event;
7946 Mpi2EventNotificationReply_t *mpi_reply;
7949 Mpi26EventDataActiveCableExcept_t *ActiveCableEventData;
7951 /* events turned off due to host reset or driver unloading */
7952 if (ioc->remove_host || ioc->pci_error_recovery)
7955 mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply);
7957 if (unlikely(!mpi_reply)) {
7958 pr_err(MPT3SAS_FMT "mpi_reply not valid at %s:%d/%s()!\n",
7959 ioc->name, __FILE__, __LINE__, __func__);
7963 event = le16_to_cpu(mpi_reply->Event);
7965 if (event != MPI2_EVENT_LOG_ENTRY_ADDED)
7966 mpt3sas_trigger_event(ioc, event, 0);
7970 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
7972 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
7973 (Mpi2EventDataSasBroadcastPrimitive_t *)
7974 mpi_reply->EventData;
7976 if (baen_data->Primitive !=
7977 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT)
7980 if (ioc->broadcast_aen_busy) {
7981 ioc->broadcast_aen_pending++;
7984 ioc->broadcast_aen_busy = 1;
7988 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
7989 _scsih_check_topo_delete_events(ioc,
7990 (Mpi2EventDataSasTopologyChangeList_t *)
7991 mpi_reply->EventData);
7993 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
7994 _scsih_check_ir_config_unhide_events(ioc,
7995 (Mpi2EventDataIrConfigChangeList_t *)
7996 mpi_reply->EventData);
7998 case MPI2_EVENT_IR_VOLUME:
7999 _scsih_check_volume_delete_events(ioc,
8000 (Mpi2EventDataIrVolume_t *)
8001 mpi_reply->EventData);
8003 case MPI2_EVENT_LOG_ENTRY_ADDED:
8005 Mpi2EventDataLogEntryAdded_t *log_entry;
8008 if (!ioc->is_warpdrive)
8011 log_entry = (Mpi2EventDataLogEntryAdded_t *)
8012 mpi_reply->EventData;
8013 log_code = (u32 *)log_entry->LogData;
8015 if (le16_to_cpu(log_entry->LogEntryQualifier)
8016 != MPT2_WARPDRIVE_LOGENTRY)
8019 switch (le32_to_cpu(*log_code)) {
8020 case MPT2_WARPDRIVE_LC_SSDT:
8021 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
8022 "IO Throttling has occurred in the WarpDrive "
8023 "subsystem. Check WarpDrive documentation for "
8024 "additional details.\n", ioc->name);
8026 case MPT2_WARPDRIVE_LC_SSDLW:
8027 pr_warn(MPT3SAS_FMT "WarpDrive Warning: "
8028 "Program/Erase Cycles for the WarpDrive subsystem "
8029 "in degraded range. Check WarpDrive documentation "
8030 "for additional details.\n", ioc->name);
8032 case MPT2_WARPDRIVE_LC_SSDLF:
8033 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
8034 "There are no Program/Erase Cycles for the "
8035 "WarpDrive subsystem. The storage device will be "
8036 "in read-only mode. Check WarpDrive documentation "
8037 "for additional details.\n", ioc->name);
8039 case MPT2_WARPDRIVE_LC_BRMF:
8040 pr_err(MPT3SAS_FMT "WarpDrive Fatal Error: "
8041 "The Backup Rail Monitor has failed on the "
8042 "WarpDrive subsystem. Check WarpDrive "
8043 "documentation for additional details.\n",
8050 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
8051 case MPI2_EVENT_IR_OPERATION_STATUS:
8052 case MPI2_EVENT_SAS_DISCOVERY:
8053 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
8054 case MPI2_EVENT_IR_PHYSICAL_DISK:
8057 case MPI2_EVENT_TEMP_THRESHOLD:
8058 _scsih_temp_threshold_events(ioc,
8059 (Mpi2EventDataTemperature_t *)
8060 mpi_reply->EventData);
8062 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
8063 ActiveCableEventData =
8064 (Mpi26EventDataActiveCableExcept_t *) mpi_reply->EventData;
8065 switch (ActiveCableEventData->ReasonCode) {
8066 case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
8067 pr_notice(MPT3SAS_FMT "Receptacle ID %d: This active cable"
8068 " requires %d mW of power\n", ioc->name,
8069 ActiveCableEventData->ReceptacleID,
8070 ActiveCableEventData->ActiveCablePowerRequirement);
8071 pr_notice(MPT3SAS_FMT "Receptacle ID %d: Devices connected"
8072 " to this active cable will not be seen\n",
8073 ioc->name, ActiveCableEventData->ReceptacleID);
8076 case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
8077 pr_notice(MPT3SAS_FMT "ReceptacleID %d: This cable",
8078 ioc->name, ActiveCableEventData->ReceptacleID);
8079 pr_notice(" is not running at an optimal speed(12 Gb/s)\n");
8085 default: /* ignore the rest */
8089 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
8090 fw_event = alloc_fw_event_work(sz);
8092 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8093 ioc->name, __FILE__, __LINE__, __func__);
8097 memcpy(fw_event->event_data, mpi_reply->EventData, sz);
8098 fw_event->ioc = ioc;
8099 fw_event->VF_ID = mpi_reply->VF_ID;
8100 fw_event->VP_ID = mpi_reply->VP_ID;
8101 fw_event->event = event;
8102 _scsih_fw_event_add(ioc, fw_event);
8103 fw_event_work_put(fw_event);
8108 * _scsih_expander_node_remove - removing expander device from list.
8109 * @ioc: per adapter object
8110 * @sas_expander: the sas_device object
8111 * Context: Calling function should acquire ioc->sas_node_lock.
8113 * Removing object and freeing associated memory from the
8114 * ioc->sas_expander_list.
8119 _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc,
8120 struct _sas_node *sas_expander)
8122 struct _sas_port *mpt3sas_port, *next;
8124 /* remove sibling ports attached to this expander */
8125 list_for_each_entry_safe(mpt3sas_port, next,
8126 &sas_expander->sas_port_list, port_list) {
8127 if (ioc->shost_recovery)
8129 if (mpt3sas_port->remote_identify.device_type ==
8131 mpt3sas_device_remove_by_sas_address(ioc,
8132 mpt3sas_port->remote_identify.sas_address);
8133 else if (mpt3sas_port->remote_identify.device_type ==
8134 SAS_EDGE_EXPANDER_DEVICE ||
8135 mpt3sas_port->remote_identify.device_type ==
8136 SAS_FANOUT_EXPANDER_DEVICE)
8137 mpt3sas_expander_remove(ioc,
8138 mpt3sas_port->remote_identify.sas_address);
8141 mpt3sas_transport_port_remove(ioc, sas_expander->sas_address,
8142 sas_expander->sas_address_parent);
8145 "expander_remove: handle(0x%04x), sas_addr(0x%016llx)\n",
8147 sas_expander->handle, (unsigned long long)
8148 sas_expander->sas_address);
8150 kfree(sas_expander->phy);
8151 kfree(sas_expander);
8155 * _scsih_ir_shutdown - IR shutdown notification
8156 * @ioc: per adapter object
8158 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
8159 * the host system is shutting down.
8164 _scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc)
8166 Mpi2RaidActionRequest_t *mpi_request;
8167 Mpi2RaidActionReply_t *mpi_reply;
8170 /* is IR firmware build loaded ? */
8171 if (!ioc->ir_firmware)
8174 /* are there any volumes ? */
8175 if (list_empty(&ioc->raid_device_list))
8178 mutex_lock(&ioc->scsih_cmds.mutex);
8180 if (ioc->scsih_cmds.status != MPT3_CMD_NOT_USED) {
8181 pr_err(MPT3SAS_FMT "%s: scsih_cmd in use\n",
8182 ioc->name, __func__);
8185 ioc->scsih_cmds.status = MPT3_CMD_PENDING;
8187 smid = mpt3sas_base_get_smid(ioc, ioc->scsih_cb_idx);
8189 pr_err(MPT3SAS_FMT "%s: failed obtaining a smid\n",
8190 ioc->name, __func__);
8191 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8195 mpi_request = mpt3sas_base_get_msg_frame(ioc, smid);
8196 ioc->scsih_cmds.smid = smid;
8197 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
8199 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
8200 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
8202 if (!ioc->hide_ir_msg)
8203 pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name);
8204 init_completion(&ioc->scsih_cmds.done);
8205 ioc->put_smid_default(ioc, smid);
8206 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
8208 if (!(ioc->scsih_cmds.status & MPT3_CMD_COMPLETE)) {
8209 pr_err(MPT3SAS_FMT "%s: timeout\n",
8210 ioc->name, __func__);
8214 if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) {
8215 mpi_reply = ioc->scsih_cmds.reply;
8216 if (!ioc->hide_ir_msg)
8217 pr_info(MPT3SAS_FMT "IR shutdown "
8218 "(complete): ioc_status(0x%04x), loginfo(0x%08x)\n",
8219 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
8220 le32_to_cpu(mpi_reply->IOCLogInfo));
8224 ioc->scsih_cmds.status = MPT3_CMD_NOT_USED;
8225 mutex_unlock(&ioc->scsih_cmds.mutex);
8229 * scsih_remove - detach and remove add host
8230 * @pdev: PCI device struct
8232 * Routine called when unloading the driver.
8235 static void scsih_remove(struct pci_dev *pdev)
8237 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8238 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8239 struct _sas_port *mpt3sas_port, *next_port;
8240 struct _raid_device *raid_device, *next;
8241 struct MPT3SAS_TARGET *sas_target_priv_data;
8242 struct workqueue_struct *wq;
8243 unsigned long flags;
8245 ioc->remove_host = 1;
8247 mpt3sas_wait_for_commands_to_complete(ioc);
8248 _scsih_flush_running_cmds(ioc);
8250 _scsih_fw_event_cleanup_queue(ioc);
8252 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8253 wq = ioc->firmware_event_thread;
8254 ioc->firmware_event_thread = NULL;
8255 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8257 destroy_workqueue(wq);
8259 /* release all the volumes */
8260 _scsih_ir_shutdown(ioc);
8261 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
8263 if (raid_device->starget) {
8264 sas_target_priv_data =
8265 raid_device->starget->hostdata;
8266 sas_target_priv_data->deleted = 1;
8267 scsi_remove_target(&raid_device->starget->dev);
8269 pr_info(MPT3SAS_FMT "removing handle(0x%04x), wwid(0x%016llx)\n",
8270 ioc->name, raid_device->handle,
8271 (unsigned long long) raid_device->wwid);
8272 _scsih_raid_device_remove(ioc, raid_device);
8275 /* free ports attached to the sas_host */
8276 list_for_each_entry_safe(mpt3sas_port, next_port,
8277 &ioc->sas_hba.sas_port_list, port_list) {
8278 if (mpt3sas_port->remote_identify.device_type ==
8280 mpt3sas_device_remove_by_sas_address(ioc,
8281 mpt3sas_port->remote_identify.sas_address);
8282 else if (mpt3sas_port->remote_identify.device_type ==
8283 SAS_EDGE_EXPANDER_DEVICE ||
8284 mpt3sas_port->remote_identify.device_type ==
8285 SAS_FANOUT_EXPANDER_DEVICE)
8286 mpt3sas_expander_remove(ioc,
8287 mpt3sas_port->remote_identify.sas_address);
8290 /* free phys attached to the sas_host */
8291 if (ioc->sas_hba.num_phys) {
8292 kfree(ioc->sas_hba.phy);
8293 ioc->sas_hba.phy = NULL;
8294 ioc->sas_hba.num_phys = 0;
8297 sas_remove_host(shost);
8298 mpt3sas_base_detach(ioc);
8299 spin_lock(&gioc_lock);
8300 list_del(&ioc->list);
8301 spin_unlock(&gioc_lock);
8302 scsi_host_put(shost);
8306 * scsih_shutdown - routine call during system shutdown
8307 * @pdev: PCI device struct
8312 scsih_shutdown(struct pci_dev *pdev)
8314 struct Scsi_Host *shost = pci_get_drvdata(pdev);
8315 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8316 struct workqueue_struct *wq;
8317 unsigned long flags;
8319 ioc->remove_host = 1;
8321 mpt3sas_wait_for_commands_to_complete(ioc);
8322 _scsih_flush_running_cmds(ioc);
8324 _scsih_fw_event_cleanup_queue(ioc);
8326 spin_lock_irqsave(&ioc->fw_event_lock, flags);
8327 wq = ioc->firmware_event_thread;
8328 ioc->firmware_event_thread = NULL;
8329 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
8331 destroy_workqueue(wq);
8333 _scsih_ir_shutdown(ioc);
8334 mpt3sas_base_detach(ioc);
8339 * _scsih_probe_boot_devices - reports 1st device
8340 * @ioc: per adapter object
8342 * If specified in bios page 2, this routine reports the 1st
8343 * device scsi-ml or sas transport for persistent boot device
8344 * purposes. Please refer to function _scsih_determine_boot_device()
8347 _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc)
8351 struct _sas_device *sas_device;
8352 struct _raid_device *raid_device;
8354 u64 sas_address_parent;
8356 unsigned long flags;
8359 /* no Bios, return immediately */
8360 if (!ioc->bios_pg3.BiosVersion)
8365 if (ioc->req_boot_device.device) {
8366 device = ioc->req_boot_device.device;
8367 is_raid = ioc->req_boot_device.is_raid;
8368 } else if (ioc->req_alt_boot_device.device) {
8369 device = ioc->req_alt_boot_device.device;
8370 is_raid = ioc->req_alt_boot_device.is_raid;
8371 } else if (ioc->current_boot_device.device) {
8372 device = ioc->current_boot_device.device;
8373 is_raid = ioc->current_boot_device.is_raid;
8380 raid_device = device;
8381 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8382 raid_device->id, 0);
8384 _scsih_raid_device_remove(ioc, raid_device);
8386 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8387 sas_device = device;
8388 handle = sas_device->handle;
8389 sas_address_parent = sas_device->sas_address_parent;
8390 sas_address = sas_device->sas_address;
8391 list_move_tail(&sas_device->list, &ioc->sas_device_list);
8392 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8394 if (ioc->hide_drives)
8396 if (!mpt3sas_transport_port_add(ioc, handle,
8397 sas_address_parent)) {
8398 _scsih_sas_device_remove(ioc, sas_device);
8399 } else if (!sas_device->starget) {
8400 if (!ioc->is_driver_loading) {
8401 mpt3sas_transport_port_remove(ioc,
8403 sas_address_parent);
8404 _scsih_sas_device_remove(ioc, sas_device);
8411 * _scsih_probe_raid - reporting raid volumes to scsi-ml
8412 * @ioc: per adapter object
8414 * Called during initial loading of the driver.
8417 _scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc)
8419 struct _raid_device *raid_device, *raid_next;
8422 list_for_each_entry_safe(raid_device, raid_next,
8423 &ioc->raid_device_list, list) {
8424 if (raid_device->starget)
8426 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
8427 raid_device->id, 0);
8429 _scsih_raid_device_remove(ioc, raid_device);
8433 static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc)
8435 struct _sas_device *sas_device = NULL;
8436 unsigned long flags;
8438 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8439 if (!list_empty(&ioc->sas_device_init_list)) {
8440 sas_device = list_first_entry(&ioc->sas_device_init_list,
8441 struct _sas_device, list);
8442 sas_device_get(sas_device);
8444 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8449 static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc,
8450 struct _sas_device *sas_device)
8452 unsigned long flags;
8454 spin_lock_irqsave(&ioc->sas_device_lock, flags);
8457 * Since we dropped the lock during the call to port_add(), we need to
8458 * be careful here that somebody else didn't move or delete this item
8459 * while we were busy with other things.
8461 * If it was on the list, we need a put() for the reference the list
8462 * had. Either way, we need a get() for the destination list.
8464 if (!list_empty(&sas_device->list)) {
8465 list_del_init(&sas_device->list);
8466 sas_device_put(sas_device);
8469 sas_device_get(sas_device);
8470 list_add_tail(&sas_device->list, &ioc->sas_device_list);
8472 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
8476 * _scsih_probe_sas - reporting sas devices to sas transport
8477 * @ioc: per adapter object
8479 * Called during initial loading of the driver.
8482 _scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc)
8484 struct _sas_device *sas_device;
8486 if (ioc->hide_drives)
8489 while ((sas_device = get_next_sas_device(ioc))) {
8490 if (!mpt3sas_transport_port_add(ioc, sas_device->handle,
8491 sas_device->sas_address_parent)) {
8492 _scsih_sas_device_remove(ioc, sas_device);
8493 sas_device_put(sas_device);
8495 } else if (!sas_device->starget) {
8497 * When asyn scanning is enabled, its not possible to
8498 * remove devices while scanning is turned on due to an
8499 * oops in scsi_sysfs_add_sdev()->add_device()->
8500 * sysfs_addrm_start()
8502 if (!ioc->is_driver_loading) {
8503 mpt3sas_transport_port_remove(ioc,
8504 sas_device->sas_address,
8505 sas_device->sas_address_parent);
8506 _scsih_sas_device_remove(ioc, sas_device);
8507 sas_device_put(sas_device);
8511 sas_device_make_active(ioc, sas_device);
8512 sas_device_put(sas_device);
8517 * _scsih_probe_devices - probing for devices
8518 * @ioc: per adapter object
8520 * Called during initial loading of the driver.
8523 _scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc)
8525 u16 volume_mapping_flags;
8527 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
8528 return; /* return when IOC doesn't support initiator mode */
8530 _scsih_probe_boot_devices(ioc);
8532 if (ioc->ir_firmware) {
8533 volume_mapping_flags =
8534 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
8535 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
8536 if (volume_mapping_flags ==
8537 MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
8538 _scsih_probe_raid(ioc);
8539 _scsih_probe_sas(ioc);
8541 _scsih_probe_sas(ioc);
8542 _scsih_probe_raid(ioc);
8545 _scsih_probe_sas(ioc);
8549 * scsih_scan_start - scsi lld callback for .scan_start
8550 * @shost: SCSI host pointer
8552 * The shost has the ability to discover targets on its own instead
8553 * of scanning the entire bus. In our implemention, we will kick off
8554 * firmware discovery.
8557 scsih_scan_start(struct Scsi_Host *shost)
8559 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8561 if (diag_buffer_enable != -1 && diag_buffer_enable != 0)
8562 mpt3sas_enable_diag_buffer(ioc, diag_buffer_enable);
8564 if (disable_discovery > 0)
8567 ioc->start_scan = 1;
8568 rc = mpt3sas_port_enable(ioc);
8571 pr_info(MPT3SAS_FMT "port enable: FAILED\n", ioc->name);
8575 * scsih_scan_finished - scsi lld callback for .scan_finished
8576 * @shost: SCSI host pointer
8577 * @time: elapsed time of the scan in jiffies
8579 * This function will be called periodicallyn until it returns 1 with the
8580 * scsi_host and the elapsed time of the scan in jiffies. In our implemention,
8581 * we wait for firmware discovery to complete, then return 1.
8584 scsih_scan_finished(struct Scsi_Host *shost, unsigned long time)
8586 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
8588 if (disable_discovery > 0) {
8589 ioc->is_driver_loading = 0;
8590 ioc->wait_for_discovery_to_complete = 0;
8594 if (time >= (300 * HZ)) {
8595 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8597 "port enable: FAILED with timeout (timeout=300s)\n",
8599 ioc->is_driver_loading = 0;
8603 if (ioc->start_scan)
8606 if (ioc->start_scan_failed) {
8608 "port enable: FAILED with (ioc_status=0x%08x)\n",
8609 ioc->name, ioc->start_scan_failed);
8610 ioc->is_driver_loading = 0;
8611 ioc->wait_for_discovery_to_complete = 0;
8612 ioc->remove_host = 1;
8616 pr_info(MPT3SAS_FMT "port enable: SUCCESS\n", ioc->name);
8617 ioc->base_cmds.status = MPT3_CMD_NOT_USED;
8619 if (ioc->wait_for_discovery_to_complete) {
8620 ioc->wait_for_discovery_to_complete = 0;
8621 _scsih_probe_devices(ioc);
8623 mpt3sas_base_start_watchdog(ioc);
8624 ioc->is_driver_loading = 0;
8628 /* shost template for SAS 2.0 HBA devices */
8629 static struct scsi_host_template mpt2sas_driver_template = {
8630 .module = THIS_MODULE,
8631 .name = "Fusion MPT SAS Host",
8632 .proc_name = MPT2SAS_DRIVER_NAME,
8633 .queuecommand = scsih_qcmd,
8634 .target_alloc = scsih_target_alloc,
8635 .slave_alloc = scsih_slave_alloc,
8636 .slave_configure = scsih_slave_configure,
8637 .target_destroy = scsih_target_destroy,
8638 .slave_destroy = scsih_slave_destroy,
8639 .scan_finished = scsih_scan_finished,
8640 .scan_start = scsih_scan_start,
8641 .change_queue_depth = scsih_change_queue_depth,
8642 .eh_abort_handler = scsih_abort,
8643 .eh_device_reset_handler = scsih_dev_reset,
8644 .eh_target_reset_handler = scsih_target_reset,
8645 .eh_host_reset_handler = scsih_host_reset,
8646 .bios_param = scsih_bios_param,
8649 .sg_tablesize = MPT2SAS_SG_DEPTH,
8650 .max_sectors = 32767,
8652 .use_clustering = ENABLE_CLUSTERING,
8653 .shost_attrs = mpt3sas_host_attrs,
8654 .sdev_attrs = mpt3sas_dev_attrs,
8655 .track_queue_depth = 1,
8658 /* raid transport support for SAS 2.0 HBA devices */
8659 static struct raid_function_template mpt2sas_raid_functions = {
8660 .cookie = &mpt2sas_driver_template,
8661 .is_raid = scsih_is_raid,
8662 .get_resync = scsih_get_resync,
8663 .get_state = scsih_get_state,
8666 /* shost template for SAS 3.0 HBA devices */
8667 static struct scsi_host_template mpt3sas_driver_template = {
8668 .module = THIS_MODULE,
8669 .name = "Fusion MPT SAS Host",
8670 .proc_name = MPT3SAS_DRIVER_NAME,
8671 .queuecommand = scsih_qcmd,
8672 .target_alloc = scsih_target_alloc,
8673 .slave_alloc = scsih_slave_alloc,
8674 .slave_configure = scsih_slave_configure,
8675 .target_destroy = scsih_target_destroy,
8676 .slave_destroy = scsih_slave_destroy,
8677 .scan_finished = scsih_scan_finished,
8678 .scan_start = scsih_scan_start,
8679 .change_queue_depth = scsih_change_queue_depth,
8680 .eh_abort_handler = scsih_abort,
8681 .eh_device_reset_handler = scsih_dev_reset,
8682 .eh_target_reset_handler = scsih_target_reset,
8683 .eh_host_reset_handler = scsih_host_reset,
8684 .bios_param = scsih_bios_param,
8687 .sg_tablesize = MPT3SAS_SG_DEPTH,
8688 .max_sectors = 32767,
8690 .use_clustering = ENABLE_CLUSTERING,
8691 .shost_attrs = mpt3sas_host_attrs,
8692 .sdev_attrs = mpt3sas_dev_attrs,
8693 .track_queue_depth = 1,
8696 /* raid transport support for SAS 3.0 HBA devices */
8697 static struct raid_function_template mpt3sas_raid_functions = {
8698 .cookie = &mpt3sas_driver_template,
8699 .is_raid = scsih_is_raid,
8700 .get_resync = scsih_get_resync,
8701 .get_state = scsih_get_state,
8705 * _scsih_determine_hba_mpi_version - determine in which MPI version class
8706 * this device belongs to.
8707 * @pdev: PCI device struct
8709 * return MPI2_VERSION for SAS 2.0 HBA devices,
8710 * MPI25_VERSION for SAS 3.0 HBA devices, and
8711 * MPI26 VERSION for Cutlass & Invader SAS 3.0 HBA devices
8714 _scsih_determine_hba_mpi_version(struct pci_dev *pdev)
8717 switch (pdev->device) {
8718 case MPI2_MFGPAGE_DEVID_SSS6200:
8719 case MPI2_MFGPAGE_DEVID_SAS2004:
8720 case MPI2_MFGPAGE_DEVID_SAS2008:
8721 case MPI2_MFGPAGE_DEVID_SAS2108_1:
8722 case MPI2_MFGPAGE_DEVID_SAS2108_2:
8723 case MPI2_MFGPAGE_DEVID_SAS2108_3:
8724 case MPI2_MFGPAGE_DEVID_SAS2116_1:
8725 case MPI2_MFGPAGE_DEVID_SAS2116_2:
8726 case MPI2_MFGPAGE_DEVID_SAS2208_1:
8727 case MPI2_MFGPAGE_DEVID_SAS2208_2:
8728 case MPI2_MFGPAGE_DEVID_SAS2208_3:
8729 case MPI2_MFGPAGE_DEVID_SAS2208_4:
8730 case MPI2_MFGPAGE_DEVID_SAS2208_5:
8731 case MPI2_MFGPAGE_DEVID_SAS2208_6:
8732 case MPI2_MFGPAGE_DEVID_SAS2308_1:
8733 case MPI2_MFGPAGE_DEVID_SAS2308_2:
8734 case MPI2_MFGPAGE_DEVID_SAS2308_3:
8735 return MPI2_VERSION;
8736 case MPI25_MFGPAGE_DEVID_SAS3004:
8737 case MPI25_MFGPAGE_DEVID_SAS3008:
8738 case MPI25_MFGPAGE_DEVID_SAS3108_1:
8739 case MPI25_MFGPAGE_DEVID_SAS3108_2:
8740 case MPI25_MFGPAGE_DEVID_SAS3108_5:
8741 case MPI25_MFGPAGE_DEVID_SAS3108_6:
8742 return MPI25_VERSION;
8743 case MPI26_MFGPAGE_DEVID_SAS3216:
8744 case MPI26_MFGPAGE_DEVID_SAS3224:
8745 case MPI26_MFGPAGE_DEVID_SAS3316_1:
8746 case MPI26_MFGPAGE_DEVID_SAS3316_2:
8747 case MPI26_MFGPAGE_DEVID_SAS3316_3:
8748 case MPI26_MFGPAGE_DEVID_SAS3316_4:
8749 case MPI26_MFGPAGE_DEVID_SAS3324_1:
8750 case MPI26_MFGPAGE_DEVID_SAS3324_2:
8751 case MPI26_MFGPAGE_DEVID_SAS3324_3:
8752 case MPI26_MFGPAGE_DEVID_SAS3324_4:
8753 case MPI26_MFGPAGE_DEVID_SAS3508:
8754 case MPI26_MFGPAGE_DEVID_SAS3508_1:
8755 case MPI26_MFGPAGE_DEVID_SAS3408:
8756 case MPI26_MFGPAGE_DEVID_SAS3516:
8757 case MPI26_MFGPAGE_DEVID_SAS3516_1:
8758 case MPI26_MFGPAGE_DEVID_SAS3416:
8759 return MPI26_VERSION;
8765 * _scsih_probe - attach and add scsi host
8766 * @pdev: PCI device struct
8767 * @id: pci device id
8769 * Returns 0 success, anything else error.
8772 _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
8774 struct MPT3SAS_ADAPTER *ioc;
8775 struct Scsi_Host *shost = NULL;
8777 u16 hba_mpi_version;
8779 /* Determine in which MPI version class this pci device belongs */
8780 hba_mpi_version = _scsih_determine_hba_mpi_version(pdev);
8781 if (hba_mpi_version == 0)
8784 /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one,
8785 * for other generation HBA's return with -ENODEV
8787 if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION))
8790 /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two,
8791 * for other generation HBA's return with -ENODEV
8793 if ((hbas_to_enumerate == 2) && (!(hba_mpi_version == MPI25_VERSION
8794 || hba_mpi_version == MPI26_VERSION)))
8797 switch (hba_mpi_version) {
8799 pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S |
8800 PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
8801 /* Use mpt2sas driver host template for SAS 2.0 HBA's */
8802 shost = scsi_host_alloc(&mpt2sas_driver_template,
8803 sizeof(struct MPT3SAS_ADAPTER));
8806 ioc = shost_priv(shost);
8807 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8808 ioc->hba_mpi_version_belonged = hba_mpi_version;
8809 ioc->id = mpt2_ids++;
8810 sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME);
8811 if (pdev->device == MPI2_MFGPAGE_DEVID_SSS6200) {
8812 ioc->is_warpdrive = 1;
8813 ioc->hide_ir_msg = 1;
8815 ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS;
8819 /* Use mpt3sas driver host template for SAS 3.0 HBA's */
8820 shost = scsi_host_alloc(&mpt3sas_driver_template,
8821 sizeof(struct MPT3SAS_ADAPTER));
8824 ioc = shost_priv(shost);
8825 memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER));
8826 ioc->hba_mpi_version_belonged = hba_mpi_version;
8827 ioc->id = mpt3_ids++;
8828 sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME);
8829 switch (pdev->device) {
8830 case MPI26_MFGPAGE_DEVID_SAS3508:
8831 case MPI26_MFGPAGE_DEVID_SAS3508_1:
8832 case MPI26_MFGPAGE_DEVID_SAS3408:
8833 case MPI26_MFGPAGE_DEVID_SAS3516:
8834 case MPI26_MFGPAGE_DEVID_SAS3516_1:
8835 case MPI26_MFGPAGE_DEVID_SAS3416:
8836 ioc->is_gen35_ioc = 1;
8839 ioc->is_gen35_ioc = 0;
8841 if ((ioc->hba_mpi_version_belonged == MPI25_VERSION &&
8842 pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) ||
8843 (ioc->hba_mpi_version_belonged == MPI26_VERSION)) {
8844 ioc->combined_reply_queue = 1;
8845 if (ioc->is_gen35_ioc)
8846 ioc->combined_reply_index_count =
8847 MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G35;
8849 ioc->combined_reply_index_count =
8850 MPT3_SUP_REPLY_POST_HOST_INDEX_REG_COUNT_G3;
8857 INIT_LIST_HEAD(&ioc->list);
8858 spin_lock(&gioc_lock);
8859 list_add_tail(&ioc->list, &mpt3sas_ioc_list);
8860 spin_unlock(&gioc_lock);
8863 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
8864 ioc->tm_cb_idx = tm_cb_idx;
8865 ioc->ctl_cb_idx = ctl_cb_idx;
8866 ioc->base_cb_idx = base_cb_idx;
8867 ioc->port_enable_cb_idx = port_enable_cb_idx;
8868 ioc->transport_cb_idx = transport_cb_idx;
8869 ioc->scsih_cb_idx = scsih_cb_idx;
8870 ioc->config_cb_idx = config_cb_idx;
8871 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
8872 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
8873 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
8874 ioc->logging_level = logging_level;
8875 ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds;
8876 /* misc semaphores and spin locks */
8877 mutex_init(&ioc->reset_in_progress_mutex);
8878 /* initializing pci_access_mutex lock */
8879 mutex_init(&ioc->pci_access_mutex);
8880 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
8881 spin_lock_init(&ioc->scsi_lookup_lock);
8882 spin_lock_init(&ioc->sas_device_lock);
8883 spin_lock_init(&ioc->sas_node_lock);
8884 spin_lock_init(&ioc->fw_event_lock);
8885 spin_lock_init(&ioc->raid_device_lock);
8886 spin_lock_init(&ioc->diag_trigger_lock);
8888 INIT_LIST_HEAD(&ioc->sas_device_list);
8889 INIT_LIST_HEAD(&ioc->sas_device_init_list);
8890 INIT_LIST_HEAD(&ioc->sas_expander_list);
8891 INIT_LIST_HEAD(&ioc->fw_event_list);
8892 INIT_LIST_HEAD(&ioc->raid_device_list);
8893 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
8894 INIT_LIST_HEAD(&ioc->delayed_tr_list);
8895 INIT_LIST_HEAD(&ioc->delayed_sc_list);
8896 INIT_LIST_HEAD(&ioc->delayed_event_ack_list);
8897 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
8898 INIT_LIST_HEAD(&ioc->reply_queue_list);
8900 sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id);
8902 /* init shost parameters */
8903 shost->max_cmd_len = 32;
8904 shost->max_lun = max_lun;
8905 shost->transportt = mpt3sas_transport_template;
8906 shost->unique_id = ioc->id;
8908 if (max_sectors != 0xFFFF) {
8909 if (max_sectors < 64) {
8910 shost->max_sectors = 64;
8911 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8912 "for max_sectors, range is 64 to 32767. Assigning "
8913 "value of 64.\n", ioc->name, max_sectors);
8914 } else if (max_sectors > 32767) {
8915 shost->max_sectors = 32767;
8916 pr_warn(MPT3SAS_FMT "Invalid value %d passed " \
8917 "for max_sectors, range is 64 to 32767. Assigning "
8918 "default value of 32767.\n", ioc->name,
8921 shost->max_sectors = max_sectors & 0xFFFE;
8923 "The max_sectors value is set to %d\n",
8924 ioc->name, shost->max_sectors);
8928 /* register EEDP capabilities with SCSI layer */
8930 scsi_host_set_prot(shost, prot_mask);
8932 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
8933 | SHOST_DIF_TYPE2_PROTECTION
8934 | SHOST_DIF_TYPE3_PROTECTION);
8936 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
8939 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
8940 "fw_event_%s%d", ioc->driver_name, ioc->id);
8941 ioc->firmware_event_thread = alloc_ordered_workqueue(
8942 ioc->firmware_event_name, WQ_MEM_RECLAIM);
8943 if (!ioc->firmware_event_thread) {
8944 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8945 ioc->name, __FILE__, __LINE__, __func__);
8947 goto out_thread_fail;
8950 ioc->is_driver_loading = 1;
8951 if ((mpt3sas_base_attach(ioc))) {
8952 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8953 ioc->name, __FILE__, __LINE__, __func__);
8955 goto out_attach_fail;
8958 if (ioc->is_warpdrive) {
8959 if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS)
8960 ioc->hide_drives = 0;
8961 else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS)
8962 ioc->hide_drives = 1;
8964 if (mpt3sas_get_num_volumes(ioc))
8965 ioc->hide_drives = 1;
8967 ioc->hide_drives = 0;
8970 ioc->hide_drives = 0;
8972 rv = scsi_add_host(shost, &pdev->dev);
8974 pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n",
8975 ioc->name, __FILE__, __LINE__, __func__);
8976 goto out_add_shost_fail;
8979 scsi_scan_host(shost);
8982 mpt3sas_base_detach(ioc);
8984 destroy_workqueue(ioc->firmware_event_thread);
8986 spin_lock(&gioc_lock);
8987 list_del(&ioc->list);
8988 spin_unlock(&gioc_lock);
8989 scsi_host_put(shost);
8995 * scsih_suspend - power management suspend main entry point
8996 * @pdev: PCI device struct
8997 * @state: PM state change to (usually PCI_D3)
8999 * Returns 0 success, anything else error.
9002 scsih_suspend(struct pci_dev *pdev, pm_message_t state)
9004 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9005 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9006 pci_power_t device_state;
9008 mpt3sas_base_stop_watchdog(ioc);
9009 flush_scheduled_work();
9010 scsi_block_requests(shost);
9011 device_state = pci_choose_state(pdev, state);
9013 "pdev=0x%p, slot=%s, entering operating state [D%d]\n",
9014 ioc->name, pdev, pci_name(pdev), device_state);
9016 pci_save_state(pdev);
9017 mpt3sas_base_free_resources(ioc);
9018 pci_set_power_state(pdev, device_state);
9023 * scsih_resume - power management resume main entry point
9024 * @pdev: PCI device struct
9026 * Returns 0 success, anything else error.
9029 scsih_resume(struct pci_dev *pdev)
9031 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9032 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9033 pci_power_t device_state = pdev->current_state;
9037 "pdev=0x%p, slot=%s, previous operating state [D%d]\n",
9038 ioc->name, pdev, pci_name(pdev), device_state);
9040 pci_set_power_state(pdev, PCI_D0);
9041 pci_enable_wake(pdev, PCI_D0, 0);
9042 pci_restore_state(pdev);
9044 r = mpt3sas_base_map_resources(ioc);
9048 mpt3sas_base_hard_reset_handler(ioc, SOFT_RESET);
9049 scsi_unblock_requests(shost);
9050 mpt3sas_base_start_watchdog(ioc);
9053 #endif /* CONFIG_PM */
9056 * scsih_pci_error_detected - Called when a PCI error is detected.
9057 * @pdev: PCI device struct
9058 * @state: PCI channel state
9060 * Description: Called when a PCI error is detected.
9063 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
9065 static pci_ers_result_t
9066 scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
9068 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9069 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9071 pr_info(MPT3SAS_FMT "PCI error: detected callback, state(%d)!!\n",
9075 case pci_channel_io_normal:
9076 return PCI_ERS_RESULT_CAN_RECOVER;
9077 case pci_channel_io_frozen:
9078 /* Fatal error, prepare for slot reset */
9079 ioc->pci_error_recovery = 1;
9080 scsi_block_requests(ioc->shost);
9081 mpt3sas_base_stop_watchdog(ioc);
9082 mpt3sas_base_free_resources(ioc);
9083 return PCI_ERS_RESULT_NEED_RESET;
9084 case pci_channel_io_perm_failure:
9085 /* Permanent error, prepare for device removal */
9086 ioc->pci_error_recovery = 1;
9087 mpt3sas_base_stop_watchdog(ioc);
9088 _scsih_flush_running_cmds(ioc);
9089 return PCI_ERS_RESULT_DISCONNECT;
9091 return PCI_ERS_RESULT_NEED_RESET;
9095 * scsih_pci_slot_reset - Called when PCI slot has been reset.
9096 * @pdev: PCI device struct
9098 * Description: This routine is called by the pci error recovery
9099 * code after the PCI slot has been reset, just before we
9100 * should resume normal operations.
9102 static pci_ers_result_t
9103 scsih_pci_slot_reset(struct pci_dev *pdev)
9105 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9106 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9109 pr_info(MPT3SAS_FMT "PCI error: slot reset callback!!\n",
9112 ioc->pci_error_recovery = 0;
9114 pci_restore_state(pdev);
9115 rc = mpt3sas_base_map_resources(ioc);
9117 return PCI_ERS_RESULT_DISCONNECT;
9119 rc = mpt3sas_base_hard_reset_handler(ioc, FORCE_BIG_HAMMER);
9121 pr_warn(MPT3SAS_FMT "hard reset: %s\n", ioc->name,
9122 (rc == 0) ? "success" : "failed");
9125 return PCI_ERS_RESULT_RECOVERED;
9127 return PCI_ERS_RESULT_DISCONNECT;
9131 * scsih_pci_resume() - resume normal ops after PCI reset
9132 * @pdev: pointer to PCI device
9134 * Called when the error recovery driver tells us that its
9135 * OK to resume normal operation. Use completion to allow
9136 * halted scsi ops to resume.
9139 scsih_pci_resume(struct pci_dev *pdev)
9141 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9142 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9144 pr_info(MPT3SAS_FMT "PCI error: resume callback!!\n", ioc->name);
9146 pci_cleanup_aer_uncorrect_error_status(pdev);
9147 mpt3sas_base_start_watchdog(ioc);
9148 scsi_unblock_requests(ioc->shost);
9152 * scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
9153 * @pdev: pointer to PCI device
9155 static pci_ers_result_t
9156 scsih_pci_mmio_enabled(struct pci_dev *pdev)
9158 struct Scsi_Host *shost = pci_get_drvdata(pdev);
9159 struct MPT3SAS_ADAPTER *ioc = shost_priv(shost);
9161 pr_info(MPT3SAS_FMT "PCI error: mmio enabled callback!!\n",
9164 /* TODO - dump whatever for debugging purposes */
9166 /* This called only if scsih_pci_error_detected returns
9167 * PCI_ERS_RESULT_CAN_RECOVER. Read/write to the device still
9168 * works, no need to reset slot.
9170 return PCI_ERS_RESULT_RECOVERED;
9174 * scsih__ncq_prio_supp - Check for NCQ command priority support
9175 * @sdev: scsi device struct
9177 * This is called when a user indicates they would like to enable
9178 * ncq command priorities. This works only on SATA devices.
9180 bool scsih_ncq_prio_supp(struct scsi_device *sdev)
9183 bool ncq_prio_supp = false;
9185 if (!scsi_device_supports_vpd(sdev))
9186 return ncq_prio_supp;
9188 buf = kmalloc(SCSI_VPD_PG_LEN, GFP_KERNEL);
9190 return ncq_prio_supp;
9192 if (!scsi_get_vpd_page(sdev, 0x89, buf, SCSI_VPD_PG_LEN))
9193 ncq_prio_supp = (buf[213] >> 4) & 1;
9196 return ncq_prio_supp;
9199 * The pci device ids are defined in mpi/mpi2_cnfg.h.
9201 static const struct pci_device_id mpt3sas_pci_table[] = {
9202 /* Spitfire ~ 2004 */
9203 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
9204 PCI_ANY_ID, PCI_ANY_ID },
9206 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
9207 PCI_ANY_ID, PCI_ANY_ID },
9208 /* Liberator ~ 2108 */
9209 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
9210 PCI_ANY_ID, PCI_ANY_ID },
9211 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
9212 PCI_ANY_ID, PCI_ANY_ID },
9213 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
9214 PCI_ANY_ID, PCI_ANY_ID },
9216 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
9217 PCI_ANY_ID, PCI_ANY_ID },
9218 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
9219 PCI_ANY_ID, PCI_ANY_ID },
9220 /* Thunderbolt ~ 2208 */
9221 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
9222 PCI_ANY_ID, PCI_ANY_ID },
9223 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
9224 PCI_ANY_ID, PCI_ANY_ID },
9225 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
9226 PCI_ANY_ID, PCI_ANY_ID },
9227 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
9228 PCI_ANY_ID, PCI_ANY_ID },
9229 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
9230 PCI_ANY_ID, PCI_ANY_ID },
9231 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
9232 PCI_ANY_ID, PCI_ANY_ID },
9233 /* Mustang ~ 2308 */
9234 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
9235 PCI_ANY_ID, PCI_ANY_ID },
9236 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
9237 PCI_ANY_ID, PCI_ANY_ID },
9238 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
9239 PCI_ANY_ID, PCI_ANY_ID },
9241 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200,
9242 PCI_ANY_ID, PCI_ANY_ID },
9243 /* Fury ~ 3004 and 3008 */
9244 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004,
9245 PCI_ANY_ID, PCI_ANY_ID },
9246 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008,
9247 PCI_ANY_ID, PCI_ANY_ID },
9248 /* Invader ~ 3108 */
9249 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1,
9250 PCI_ANY_ID, PCI_ANY_ID },
9251 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2,
9252 PCI_ANY_ID, PCI_ANY_ID },
9253 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5,
9254 PCI_ANY_ID, PCI_ANY_ID },
9255 { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6,
9256 PCI_ANY_ID, PCI_ANY_ID },
9257 /* Cutlass ~ 3216 and 3224 */
9258 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3216,
9259 PCI_ANY_ID, PCI_ANY_ID },
9260 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3224,
9261 PCI_ANY_ID, PCI_ANY_ID },
9262 /* Intruder ~ 3316 and 3324 */
9263 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_1,
9264 PCI_ANY_ID, PCI_ANY_ID },
9265 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_2,
9266 PCI_ANY_ID, PCI_ANY_ID },
9267 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_3,
9268 PCI_ANY_ID, PCI_ANY_ID },
9269 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3316_4,
9270 PCI_ANY_ID, PCI_ANY_ID },
9271 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_1,
9272 PCI_ANY_ID, PCI_ANY_ID },
9273 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_2,
9274 PCI_ANY_ID, PCI_ANY_ID },
9275 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_3,
9276 PCI_ANY_ID, PCI_ANY_ID },
9277 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3324_4,
9278 PCI_ANY_ID, PCI_ANY_ID },
9279 /* Ventura, Crusader, Harpoon & Tomcat ~ 3516, 3416, 3508 & 3408*/
9280 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508,
9281 PCI_ANY_ID, PCI_ANY_ID },
9282 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3508_1,
9283 PCI_ANY_ID, PCI_ANY_ID },
9284 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3408,
9285 PCI_ANY_ID, PCI_ANY_ID },
9286 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516,
9287 PCI_ANY_ID, PCI_ANY_ID },
9288 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3516_1,
9289 PCI_ANY_ID, PCI_ANY_ID },
9290 { MPI2_MFGPAGE_VENDORID_LSI, MPI26_MFGPAGE_DEVID_SAS3416,
9291 PCI_ANY_ID, PCI_ANY_ID },
9292 {0} /* Terminating entry */
9294 MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table);
9296 static struct pci_error_handlers _mpt3sas_err_handler = {
9297 .error_detected = scsih_pci_error_detected,
9298 .mmio_enabled = scsih_pci_mmio_enabled,
9299 .slot_reset = scsih_pci_slot_reset,
9300 .resume = scsih_pci_resume,
9303 static struct pci_driver mpt3sas_driver = {
9304 .name = MPT3SAS_DRIVER_NAME,
9305 .id_table = mpt3sas_pci_table,
9306 .probe = _scsih_probe,
9307 .remove = scsih_remove,
9308 .shutdown = scsih_shutdown,
9309 .err_handler = &_mpt3sas_err_handler,
9311 .suspend = scsih_suspend,
9312 .resume = scsih_resume,
9317 * scsih_init - main entry point for this driver.
9319 * Returns 0 success, anything else error.
9327 mpt3sas_base_initialize_callback_handler();
9329 /* queuecommand callback hander */
9330 scsi_io_cb_idx = mpt3sas_base_register_callback_handler(_scsih_io_done);
9332 /* task management callback handler */
9333 tm_cb_idx = mpt3sas_base_register_callback_handler(_scsih_tm_done);
9335 /* base internal commands callback handler */
9336 base_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_base_done);
9337 port_enable_cb_idx = mpt3sas_base_register_callback_handler(
9338 mpt3sas_port_enable_done);
9340 /* transport internal commands callback handler */
9341 transport_cb_idx = mpt3sas_base_register_callback_handler(
9342 mpt3sas_transport_done);
9344 /* scsih internal commands callback handler */
9345 scsih_cb_idx = mpt3sas_base_register_callback_handler(_scsih_done);
9347 /* configuration page API internal commands callback handler */
9348 config_cb_idx = mpt3sas_base_register_callback_handler(
9349 mpt3sas_config_done);
9351 /* ctl module callback handler */
9352 ctl_cb_idx = mpt3sas_base_register_callback_handler(mpt3sas_ctl_done);
9354 tm_tr_cb_idx = mpt3sas_base_register_callback_handler(
9355 _scsih_tm_tr_complete);
9357 tm_tr_volume_cb_idx = mpt3sas_base_register_callback_handler(
9358 _scsih_tm_volume_tr_complete);
9360 tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler(
9361 _scsih_sas_control_complete);
9367 * scsih_exit - exit point for this driver (when it is a module).
9369 * Returns 0 success, anything else error.
9375 mpt3sas_base_release_callback_handler(scsi_io_cb_idx);
9376 mpt3sas_base_release_callback_handler(tm_cb_idx);
9377 mpt3sas_base_release_callback_handler(base_cb_idx);
9378 mpt3sas_base_release_callback_handler(port_enable_cb_idx);
9379 mpt3sas_base_release_callback_handler(transport_cb_idx);
9380 mpt3sas_base_release_callback_handler(scsih_cb_idx);
9381 mpt3sas_base_release_callback_handler(config_cb_idx);
9382 mpt3sas_base_release_callback_handler(ctl_cb_idx);
9384 mpt3sas_base_release_callback_handler(tm_tr_cb_idx);
9385 mpt3sas_base_release_callback_handler(tm_tr_volume_cb_idx);
9386 mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx);
9388 /* raid transport support */
9389 if (hbas_to_enumerate != 1)
9390 raid_class_release(mpt3sas_raid_template);
9391 if (hbas_to_enumerate != 2)
9392 raid_class_release(mpt2sas_raid_template);
9393 sas_release_transport(mpt3sas_transport_template);
9397 * _mpt3sas_init - main entry point for this driver.
9399 * Returns 0 success, anything else error.
9406 pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME,
9407 MPT3SAS_DRIVER_VERSION);
9409 mpt3sas_transport_template =
9410 sas_attach_transport(&mpt3sas_transport_functions);
9411 if (!mpt3sas_transport_template)
9414 /* No need attach mpt3sas raid functions template
9415 * if hbas_to_enumarate value is one.
9417 if (hbas_to_enumerate != 1) {
9418 mpt3sas_raid_template =
9419 raid_class_attach(&mpt3sas_raid_functions);
9420 if (!mpt3sas_raid_template) {
9421 sas_release_transport(mpt3sas_transport_template);
9426 /* No need to attach mpt2sas raid functions template
9427 * if hbas_to_enumarate value is two
9429 if (hbas_to_enumerate != 2) {
9430 mpt2sas_raid_template =
9431 raid_class_attach(&mpt2sas_raid_functions);
9432 if (!mpt2sas_raid_template) {
9433 sas_release_transport(mpt3sas_transport_template);
9438 error = scsih_init();
9444 mpt3sas_ctl_init(hbas_to_enumerate);
9446 error = pci_register_driver(&mpt3sas_driver);
9454 * _mpt3sas_exit - exit point for this driver (when it is a module).
9460 pr_info("mpt3sas version %s unloading\n",
9461 MPT3SAS_DRIVER_VERSION);
9463 pci_unregister_driver(&mpt3sas_driver);
9465 mpt3sas_ctl_exit(hbas_to_enumerate);
9470 module_init(_mpt3sas_init);
9471 module_exit(_mpt3sas_exit);