2 * Scsi Host Layer for MPT (Message Passing Technology) based controllers
4 * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c
5 * Copyright (C) 2007-2010 LSI Corporation
6 * (mailto:DL-MPTFusionLinux@lsi.com)
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License
10 * as published by the Free Software Foundation; either version 2
11 * of the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
19 * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
20 * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
21 * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
22 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
23 * solely responsible for determining the appropriateness of using and
24 * distributing the Program and assumes all risks associated with its
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26 * the risks and costs of program errors, damage to or loss of data,
27 * programs or equipment, and unavailability or interruption of operations.
29 * DISCLAIMER OF LIABILITY
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44 #include <linux/version.h>
45 #include <linux/module.h>
46 #include <linux/kernel.h>
47 #include <linux/init.h>
48 #include <linux/errno.h>
49 #include <linux/blkdev.h>
50 #include <linux/sched.h>
51 #include <linux/workqueue.h>
52 #include <linux/delay.h>
53 #include <linux/pci.h>
54 #include <linux/interrupt.h>
55 #include <linux/aer.h>
56 #include <linux/raid_class.h>
57 #include <linux/slab.h>
59 #include "mpt2sas_base.h"
61 MODULE_AUTHOR(MPT2SAS_AUTHOR);
62 MODULE_DESCRIPTION(MPT2SAS_DESCRIPTION);
63 MODULE_LICENSE("GPL");
64 MODULE_VERSION(MPT2SAS_DRIVER_VERSION);
66 #define RAID_CHANNEL 1
69 static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
70 struct _sas_node *sas_expander);
71 static void _firmware_event_work(struct work_struct *work);
73 static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid);
75 /* global parameters */
76 LIST_HEAD(mpt2sas_ioc_list);
78 /* local parameters */
79 static u8 scsi_io_cb_idx = -1;
80 static u8 tm_cb_idx = -1;
81 static u8 ctl_cb_idx = -1;
82 static u8 base_cb_idx = -1;
83 static u8 transport_cb_idx = -1;
84 static u8 scsih_cb_idx = -1;
85 static u8 config_cb_idx = -1;
88 static u8 tm_tr_cb_idx = -1 ;
89 static u8 tm_tr_volume_cb_idx = -1 ;
90 static u8 tm_sas_control_cb_idx = -1;
92 /* command line options */
93 static u32 logging_level;
94 MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info "
97 /* scsi-mid layer global parmeter is max_report_luns, which is 511 */
98 #define MPT2SAS_MAX_LUN (16895)
99 static int max_lun = MPT2SAS_MAX_LUN;
100 module_param(max_lun, int, 0);
101 MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
104 * struct sense_info - common structure for obtaining sense keys
106 * @asc: additional sense code
107 * @ascq: additional sense code qualifier
116 #define MPT2SAS_RESCAN_AFTER_HOST_RESET (0xFFFF)
119 * struct fw_event_work - firmware event struct
120 * @list: link list framework
121 * @work: work object (ioc->fault_reset_work_q)
122 * @cancel_pending_work: flag set during reset handling
123 * @ioc: per adapter object
124 * @VF_ID: virtual function id
125 * @VP_ID: virtual port id
126 * @ignore: flag meaning this event has been marked to ignore
127 * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h
128 * @event_data: reply event data payload follows
130 * This object stored on ioc->fw_event_list.
132 struct fw_event_work {
133 struct list_head list;
134 u8 cancel_pending_work;
135 struct delayed_work delayed_work;
136 struct MPT2SAS_ADAPTER *ioc;
144 /* raid transport support */
145 static struct raid_template *mpt2sas_raid_template;
148 * struct _scsi_io_transfer - scsi io transfer
149 * @handle: sas device handle (assigned by firmware)
150 * @is_raid: flag set for hidden raid components
151 * @dir: DMA_TO_DEVICE, DMA_FROM_DEVICE,
152 * @data_length: data transfer length
153 * @data_dma: dma pointer to data
156 * @cdb_length: cdb length
158 * @timeout: timeout for this command
159 * @VF_ID: virtual function id
160 * @VP_ID: virtual port id
161 * @valid_reply: flag set for reply message
162 * @sense_length: sense length
163 * @ioc_status: ioc status
164 * @scsi_state: scsi state
165 * @scsi_status: scsi staus
166 * @log_info: log information
167 * @transfer_length: data length transfer when there is a reply message
169 * Used for sending internal scsi commands to devices within this module.
170 * Refer to _scsi_send_scsi_io().
172 struct _scsi_io_transfer {
175 enum dma_data_direction dir;
178 u8 sense[SCSI_SENSE_BUFFERSIZE];
186 /* the following bits are only valid when 'valid_reply = 1' */
196 * The pci device ids are defined in mpi/mpi2_cnfg.h.
198 static struct pci_device_id scsih_pci_table[] = {
199 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004,
200 PCI_ANY_ID, PCI_ANY_ID },
202 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008,
203 PCI_ANY_ID, PCI_ANY_ID },
204 /* Liberator ~ 2108 */
205 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1,
206 PCI_ANY_ID, PCI_ANY_ID },
207 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2,
208 PCI_ANY_ID, PCI_ANY_ID },
209 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3,
210 PCI_ANY_ID, PCI_ANY_ID },
212 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1,
213 PCI_ANY_ID, PCI_ANY_ID },
214 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2,
215 PCI_ANY_ID, PCI_ANY_ID },
216 /* Thunderbolt ~ 2208 */
217 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1,
218 PCI_ANY_ID, PCI_ANY_ID },
219 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2,
220 PCI_ANY_ID, PCI_ANY_ID },
221 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3,
222 PCI_ANY_ID, PCI_ANY_ID },
223 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4,
224 PCI_ANY_ID, PCI_ANY_ID },
225 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5,
226 PCI_ANY_ID, PCI_ANY_ID },
227 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6,
228 PCI_ANY_ID, PCI_ANY_ID },
230 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1,
231 PCI_ANY_ID, PCI_ANY_ID },
232 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2,
233 PCI_ANY_ID, PCI_ANY_ID },
234 { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3,
235 PCI_ANY_ID, PCI_ANY_ID },
236 {0} /* Terminating entry */
238 MODULE_DEVICE_TABLE(pci, scsih_pci_table);
241 * _scsih_set_debug_level - global setting of ioc->logging_level.
243 * Note: The logging levels are defined in mpt2sas_debug.h.
246 _scsih_set_debug_level(const char *val, struct kernel_param *kp)
248 int ret = param_set_int(val, kp);
249 struct MPT2SAS_ADAPTER *ioc;
254 printk(KERN_INFO "setting logging_level(0x%08x)\n", logging_level);
255 list_for_each_entry(ioc, &mpt2sas_ioc_list, list)
256 ioc->logging_level = logging_level;
259 module_param_call(logging_level, _scsih_set_debug_level, param_get_int,
260 &logging_level, 0644);
263 * _scsih_srch_boot_sas_address - search based on sas_address
264 * @sas_address: sas address
265 * @boot_device: boot device object from bios page 2
267 * Returns 1 when there's a match, 0 means no match.
270 _scsih_srch_boot_sas_address(u64 sas_address,
271 Mpi2BootDeviceSasWwid_t *boot_device)
273 return (sas_address == le64_to_cpu(boot_device->SASAddress)) ? 1 : 0;
277 * _scsih_srch_boot_device_name - search based on device name
278 * @device_name: device name specified in INDENTIFY fram
279 * @boot_device: boot device object from bios page 2
281 * Returns 1 when there's a match, 0 means no match.
284 _scsih_srch_boot_device_name(u64 device_name,
285 Mpi2BootDeviceDeviceName_t *boot_device)
287 return (device_name == le64_to_cpu(boot_device->DeviceName)) ? 1 : 0;
291 * _scsih_srch_boot_encl_slot - search based on enclosure_logical_id/slot
292 * @enclosure_logical_id: enclosure logical id
293 * @slot_number: slot number
294 * @boot_device: boot device object from bios page 2
296 * Returns 1 when there's a match, 0 means no match.
299 _scsih_srch_boot_encl_slot(u64 enclosure_logical_id, u16 slot_number,
300 Mpi2BootDeviceEnclosureSlot_t *boot_device)
302 return (enclosure_logical_id == le64_to_cpu(boot_device->
303 EnclosureLogicalID) && slot_number == le16_to_cpu(boot_device->
304 SlotNumber)) ? 1 : 0;
308 * _scsih_is_boot_device - search for matching boot device.
309 * @sas_address: sas address
310 * @device_name: device name specified in INDENTIFY fram
311 * @enclosure_logical_id: enclosure logical id
312 * @slot_number: slot number
313 * @form: specifies boot device form
314 * @boot_device: boot device object from bios page 2
316 * Returns 1 when there's a match, 0 means no match.
319 _scsih_is_boot_device(u64 sas_address, u64 device_name,
320 u64 enclosure_logical_id, u16 slot, u8 form,
321 Mpi2BiosPage2BootDevice_t *boot_device)
326 case MPI2_BIOSPAGE2_FORM_SAS_WWID:
329 rc = _scsih_srch_boot_sas_address(
330 sas_address, &boot_device->SasWwid);
332 case MPI2_BIOSPAGE2_FORM_ENCLOSURE_SLOT:
333 if (!enclosure_logical_id)
335 rc = _scsih_srch_boot_encl_slot(
336 enclosure_logical_id,
337 slot, &boot_device->EnclosureSlot);
339 case MPI2_BIOSPAGE2_FORM_DEVICE_NAME:
342 rc = _scsih_srch_boot_device_name(
343 device_name, &boot_device->DeviceName);
345 case MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED:
353 * _scsih_get_sas_address - set the sas_address for given device handle
354 * @handle: device handle
355 * @sas_address: sas address
357 * Returns 0 success, non-zero when failure
360 _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle,
363 Mpi2SasDevicePage0_t sas_device_pg0;
364 Mpi2ConfigReply_t mpi_reply;
367 if (handle <= ioc->sas_hba.num_phys) {
368 *sas_address = ioc->sas_hba.sas_address;
373 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
374 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
375 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
376 ioc->name, __FILE__, __LINE__, __func__);
380 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
382 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
383 printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)"
384 "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
385 __FILE__, __LINE__, __func__);
389 *sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
394 * _scsih_determine_boot_device - determine boot device.
395 * @ioc: per adapter object
396 * @device: either sas_device or raid_device object
397 * @is_raid: [flag] 1 = raid object, 0 = sas object
399 * Determines whether this device should be first reported device to
400 * to scsi-ml or sas transport, this purpose is for persistant boot device.
401 * There are primary, alternate, and current entries in bios page 2. The order
402 * priority is primary, alternate, then current. This routine saves
403 * the corresponding device object and is_raid flag in the ioc object.
404 * The saved data to be used later in _scsih_probe_boot_devices().
407 _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc,
408 void *device, u8 is_raid)
410 struct _sas_device *sas_device;
411 struct _raid_device *raid_device;
414 u64 enclosure_logical_id;
417 /* only process this function when driver loads */
418 if (!ioc->wait_for_port_enable_to_complete)
423 sas_address = sas_device->sas_address;
424 device_name = sas_device->device_name;
425 enclosure_logical_id = sas_device->enclosure_logical_id;
426 slot = sas_device->slot;
428 raid_device = device;
429 sas_address = raid_device->wwid;
431 enclosure_logical_id = 0;
435 if (!ioc->req_boot_device.device) {
436 if (_scsih_is_boot_device(sas_address, device_name,
437 enclosure_logical_id, slot,
438 (ioc->bios_pg2.ReqBootDeviceForm &
439 MPI2_BIOSPAGE2_FORM_MASK),
440 &ioc->bios_pg2.RequestedBootDevice)) {
441 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
442 "%s: req_boot_device(0x%016llx)\n",
444 (unsigned long long)sas_address));
445 ioc->req_boot_device.device = device;
446 ioc->req_boot_device.is_raid = is_raid;
450 if (!ioc->req_alt_boot_device.device) {
451 if (_scsih_is_boot_device(sas_address, device_name,
452 enclosure_logical_id, slot,
453 (ioc->bios_pg2.ReqAltBootDeviceForm &
454 MPI2_BIOSPAGE2_FORM_MASK),
455 &ioc->bios_pg2.RequestedAltBootDevice)) {
456 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
457 "%s: req_alt_boot_device(0x%016llx)\n",
459 (unsigned long long)sas_address));
460 ioc->req_alt_boot_device.device = device;
461 ioc->req_alt_boot_device.is_raid = is_raid;
465 if (!ioc->current_boot_device.device) {
466 if (_scsih_is_boot_device(sas_address, device_name,
467 enclosure_logical_id, slot,
468 (ioc->bios_pg2.CurrentBootDeviceForm &
469 MPI2_BIOSPAGE2_FORM_MASK),
470 &ioc->bios_pg2.CurrentBootDevice)) {
471 dinitprintk(ioc, printk(MPT2SAS_INFO_FMT
472 "%s: current_boot_device(0x%016llx)\n",
474 (unsigned long long)sas_address));
475 ioc->current_boot_device.device = device;
476 ioc->current_boot_device.is_raid = is_raid;
482 * mpt2sas_scsih_sas_device_find_by_sas_address - sas device search
483 * @ioc: per adapter object
484 * @sas_address: sas address
485 * Context: Calling function should acquire ioc->sas_device_lock
487 * This searches for sas_device based on sas_address, then return sas_device
491 mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
494 struct _sas_device *sas_device;
496 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
497 if (sas_device->sas_address == sas_address)
500 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
501 if (sas_device->sas_address == sas_address)
508 * _scsih_sas_device_find_by_handle - sas device search
509 * @ioc: per adapter object
510 * @handle: sas device handle (assigned by firmware)
511 * Context: Calling function should acquire ioc->sas_device_lock
513 * This searches for sas_device based on sas_address, then return sas_device
516 static struct _sas_device *
517 _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
519 struct _sas_device *sas_device;
521 list_for_each_entry(sas_device, &ioc->sas_device_list, list)
522 if (sas_device->handle == handle)
525 list_for_each_entry(sas_device, &ioc->sas_device_init_list, list)
526 if (sas_device->handle == handle)
533 * _scsih_sas_device_remove - remove sas_device from list.
534 * @ioc: per adapter object
535 * @sas_device: the sas_device object
536 * Context: This function will acquire ioc->sas_device_lock.
538 * Removing object and freeing associated memory from the ioc->sas_device_list.
541 _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc,
542 struct _sas_device *sas_device)
549 spin_lock_irqsave(&ioc->sas_device_lock, flags);
550 if (mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
551 sas_device->sas_address)) {
552 list_del(&sas_device->list);
555 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
559 * _scsih_sas_device_add - insert sas_device to the list.
560 * @ioc: per adapter object
561 * @sas_device: the sas_device object
562 * Context: This function will acquire ioc->sas_device_lock.
564 * Adding new object to the ioc->sas_device_list.
567 _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc,
568 struct _sas_device *sas_device)
572 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
573 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
574 sas_device->handle, (unsigned long long)sas_device->sas_address));
576 spin_lock_irqsave(&ioc->sas_device_lock, flags);
577 list_add_tail(&sas_device->list, &ioc->sas_device_list);
578 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
580 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
581 sas_device->sas_address_parent))
582 _scsih_sas_device_remove(ioc, sas_device);
586 * _scsih_sas_device_init_add - insert sas_device to the list.
587 * @ioc: per adapter object
588 * @sas_device: the sas_device object
589 * Context: This function will acquire ioc->sas_device_lock.
591 * Adding new object at driver load time to the ioc->sas_device_init_list.
594 _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc,
595 struct _sas_device *sas_device)
599 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
600 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
601 sas_device->handle, (unsigned long long)sas_device->sas_address));
603 spin_lock_irqsave(&ioc->sas_device_lock, flags);
604 list_add_tail(&sas_device->list, &ioc->sas_device_init_list);
605 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
606 _scsih_determine_boot_device(ioc, sas_device, 0);
610 * _scsih_raid_device_find_by_id - raid device search
611 * @ioc: per adapter object
612 * @id: sas device target id
613 * @channel: sas device channel
614 * Context: Calling function should acquire ioc->raid_device_lock
616 * This searches for raid_device based on target id, then return raid_device
619 static struct _raid_device *
620 _scsih_raid_device_find_by_id(struct MPT2SAS_ADAPTER *ioc, int id, int channel)
622 struct _raid_device *raid_device, *r;
625 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
626 if (raid_device->id == id && raid_device->channel == channel) {
637 * _scsih_raid_device_find_by_handle - raid device search
638 * @ioc: per adapter object
639 * @handle: sas device handle (assigned by firmware)
640 * Context: Calling function should acquire ioc->raid_device_lock
642 * This searches for raid_device based on handle, then return raid_device
645 static struct _raid_device *
646 _scsih_raid_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
648 struct _raid_device *raid_device, *r;
651 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
652 if (raid_device->handle != handle)
663 * _scsih_raid_device_find_by_wwid - raid device search
664 * @ioc: per adapter object
665 * @handle: sas device handle (assigned by firmware)
666 * Context: Calling function should acquire ioc->raid_device_lock
668 * This searches for raid_device based on wwid, then return raid_device
671 static struct _raid_device *
672 _scsih_raid_device_find_by_wwid(struct MPT2SAS_ADAPTER *ioc, u64 wwid)
674 struct _raid_device *raid_device, *r;
677 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
678 if (raid_device->wwid != wwid)
689 * _scsih_raid_device_add - add raid_device object
690 * @ioc: per adapter object
691 * @raid_device: raid_device object
693 * This is added to the raid_device_list link list.
696 _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc,
697 struct _raid_device *raid_device)
701 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle"
702 "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__,
703 raid_device->handle, (unsigned long long)raid_device->wwid));
705 spin_lock_irqsave(&ioc->raid_device_lock, flags);
706 list_add_tail(&raid_device->list, &ioc->raid_device_list);
707 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
711 * _scsih_raid_device_remove - delete raid_device object
712 * @ioc: per adapter object
713 * @raid_device: raid_device object
715 * This is removed from the raid_device_list link list.
718 _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc,
719 struct _raid_device *raid_device)
723 spin_lock_irqsave(&ioc->raid_device_lock, flags);
724 list_del(&raid_device->list);
725 memset(raid_device, 0, sizeof(struct _raid_device));
727 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
731 * mpt2sas_scsih_expander_find_by_handle - expander device search
732 * @ioc: per adapter object
733 * @handle: expander handle (assigned by firmware)
734 * Context: Calling function should acquire ioc->sas_device_lock
736 * This searches for expander device based on handle, then returns the
740 mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
742 struct _sas_node *sas_expander, *r;
745 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
746 if (sas_expander->handle != handle)
756 * mpt2sas_scsih_expander_find_by_sas_address - expander device search
757 * @ioc: per adapter object
758 * @sas_address: sas address
759 * Context: Calling function should acquire ioc->sas_node_lock.
761 * This searches for expander device based on sas_address, then returns the
765 mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
768 struct _sas_node *sas_expander, *r;
771 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
772 if (sas_expander->sas_address != sas_address)
782 * _scsih_expander_node_add - insert expander device to the list.
783 * @ioc: per adapter object
784 * @sas_expander: the sas_device object
785 * Context: This function will acquire ioc->sas_node_lock.
787 * Adding new object to the ioc->sas_expander_list.
792 _scsih_expander_node_add(struct MPT2SAS_ADAPTER *ioc,
793 struct _sas_node *sas_expander)
797 spin_lock_irqsave(&ioc->sas_node_lock, flags);
798 list_add_tail(&sas_expander->list, &ioc->sas_expander_list);
799 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
803 * _scsih_is_end_device - determines if device is an end device
804 * @device_info: bitfield providing information about the device.
807 * Returns 1 if end device.
810 _scsih_is_end_device(u32 device_info)
812 if (device_info & MPI2_SAS_DEVICE_INFO_END_DEVICE &&
813 ((device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) |
814 (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) |
815 (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)))
822 * mptscsih_get_scsi_lookup - returns scmd entry
823 * @ioc: per adapter object
824 * @smid: system request message index
826 * Returns the smid stored scmd pointer.
828 static struct scsi_cmnd *
829 _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid)
831 return ioc->scsi_lookup[smid - 1].scmd;
835 * _scsih_scsi_lookup_find_by_scmd - scmd lookup
836 * @ioc: per adapter object
837 * @smid: system request message index
838 * @scmd: pointer to scsi command object
839 * Context: This function will acquire ioc->scsi_lookup_lock.
841 * This will search for a scmd pointer in the scsi_lookup array,
842 * returning the revelent smid. A returned value of zero means invalid.
845 _scsih_scsi_lookup_find_by_scmd(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd
852 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
854 for (i = 0; i < ioc->scsiio_depth; i++) {
855 if (ioc->scsi_lookup[i].scmd == scmd) {
856 smid = ioc->scsi_lookup[i].smid;
861 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
866 * _scsih_scsi_lookup_find_by_target - search for matching channel:id
867 * @ioc: per adapter object
870 * Context: This function will acquire ioc->scsi_lookup_lock.
872 * This will search for a matching channel:id in the scsi_lookup array,
873 * returning 1 if found.
876 _scsih_scsi_lookup_find_by_target(struct MPT2SAS_ADAPTER *ioc, int id,
883 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
885 for (i = 0 ; i < ioc->scsiio_depth; i++) {
886 if (ioc->scsi_lookup[i].scmd &&
887 (ioc->scsi_lookup[i].scmd->device->id == id &&
888 ioc->scsi_lookup[i].scmd->device->channel == channel)) {
894 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
899 * _scsih_scsi_lookup_find_by_lun - search for matching channel:id:lun
900 * @ioc: per adapter object
904 * Context: This function will acquire ioc->scsi_lookup_lock.
906 * This will search for a matching channel:id:lun in the scsi_lookup array,
907 * returning 1 if found.
910 _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id,
911 unsigned int lun, int channel)
917 spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
919 for (i = 0 ; i < ioc->scsiio_depth; i++) {
920 if (ioc->scsi_lookup[i].scmd &&
921 (ioc->scsi_lookup[i].scmd->device->id == id &&
922 ioc->scsi_lookup[i].scmd->device->channel == channel &&
923 ioc->scsi_lookup[i].scmd->device->lun == lun)) {
929 spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
934 * _scsih_get_chain_buffer_dma - obtain block of chains (dma address)
935 * @ioc: per adapter object
936 * @smid: system request message index
938 * Returns phys pointer to chain buffer.
941 _scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid)
943 return ioc->chain_dma + ((smid - 1) * (ioc->request_sz *
944 ioc->chains_needed_per_io));
948 * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request
949 * @ioc: per adapter object
950 * @smid: system request message index
952 * Returns virt pointer to chain buffer.
955 _scsih_get_chain_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid)
957 return (void *)(ioc->chain + ((smid - 1) * (ioc->request_sz *
958 ioc->chains_needed_per_io)));
962 * _scsih_build_scatter_gather - main sg creation routine
963 * @ioc: per adapter object
964 * @scmd: scsi command
965 * @smid: system request message index
968 * The main routine that builds scatter gather table from a given
969 * scsi request sent via the .queuecommand main handler.
971 * Returns 0 success, anything else error
974 _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
975 struct scsi_cmnd *scmd, u16 smid)
977 Mpi2SCSIIORequest_t *mpi_request;
978 dma_addr_t chain_dma;
979 struct scatterlist *sg_scmd;
980 void *sg_local, *chain;
987 u32 sgl_flags_last_element;
988 u32 sgl_flags_end_buffer;
990 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
992 /* init scatter gather flags */
993 sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT;
994 if (scmd->sc_data_direction == DMA_TO_DEVICE)
995 sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC;
996 sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT)
997 << MPI2_SGE_FLAGS_SHIFT;
998 sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT |
999 MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST)
1000 << MPI2_SGE_FLAGS_SHIFT;
1001 sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
1003 sg_scmd = scsi_sglist(scmd);
1004 sges_left = scsi_dma_map(scmd);
1005 if (sges_left < 0) {
1006 sdev_printk(KERN_ERR, scmd->device, "pci_map_sg"
1007 " failed: request for %d bytes!\n", scsi_bufflen(scmd));
1011 sg_local = &mpi_request->SGL;
1012 sges_in_segment = ioc->max_sges_in_main_message;
1013 if (sges_left <= sges_in_segment)
1014 goto fill_in_last_segment;
1016 mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) +
1017 (sges_in_segment * ioc->sge_size))/4;
1019 /* fill in main message segment when there is a chain following */
1020 while (sges_in_segment) {
1021 if (sges_in_segment == 1)
1022 ioc->base_add_sg_single(sg_local,
1023 sgl_flags_last_element | sg_dma_len(sg_scmd),
1024 sg_dma_address(sg_scmd));
1026 ioc->base_add_sg_single(sg_local, sgl_flags |
1027 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1028 sg_scmd = sg_next(sg_scmd);
1029 sg_local += ioc->sge_size;
1034 /* initializing the chain flags and pointers */
1035 chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT;
1036 chain = _scsih_get_chain_buffer(ioc, smid);
1037 chain_dma = _scsih_get_chain_buffer_dma(ioc, smid);
1039 sges_in_segment = (sges_left <=
1040 ioc->max_sges_in_chain_message) ? sges_left :
1041 ioc->max_sges_in_chain_message;
1042 chain_offset = (sges_left == sges_in_segment) ?
1043 0 : (sges_in_segment * ioc->sge_size)/4;
1044 chain_length = sges_in_segment * ioc->sge_size;
1046 chain_offset = chain_offset <<
1047 MPI2_SGE_CHAIN_OFFSET_SHIFT;
1048 chain_length += ioc->sge_size;
1050 ioc->base_add_sg_single(sg_local, chain_flags | chain_offset |
1051 chain_length, chain_dma);
1054 goto fill_in_last_segment;
1056 /* fill in chain segments */
1057 while (sges_in_segment) {
1058 if (sges_in_segment == 1)
1059 ioc->base_add_sg_single(sg_local,
1060 sgl_flags_last_element |
1061 sg_dma_len(sg_scmd),
1062 sg_dma_address(sg_scmd));
1064 ioc->base_add_sg_single(sg_local, sgl_flags |
1065 sg_dma_len(sg_scmd),
1066 sg_dma_address(sg_scmd));
1067 sg_scmd = sg_next(sg_scmd);
1068 sg_local += ioc->sge_size;
1073 chain_dma += ioc->request_sz;
1074 chain += ioc->request_sz;
1078 fill_in_last_segment:
1080 /* fill the last segment */
1083 ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer |
1084 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1086 ioc->base_add_sg_single(sg_local, sgl_flags |
1087 sg_dma_len(sg_scmd), sg_dma_address(sg_scmd));
1088 sg_scmd = sg_next(sg_scmd);
1089 sg_local += ioc->sge_size;
1097 * _scsih_change_queue_depth - setting device queue depth
1098 * @sdev: scsi device struct
1099 * @qdepth: requested queue depth
1100 * @reason: calling context
1102 * Returns queue depth.
1105 _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
1107 struct Scsi_Host *shost = sdev->host;
1110 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1111 struct MPT2SAS_DEVICE *sas_device_priv_data;
1112 struct MPT2SAS_TARGET *sas_target_priv_data;
1113 struct _sas_device *sas_device;
1114 unsigned long flags;
1116 if (reason != SCSI_QDEPTH_DEFAULT)
1119 max_depth = shost->can_queue;
1121 /* limit max device queue for SATA to 32 */
1122 sas_device_priv_data = sdev->hostdata;
1123 if (!sas_device_priv_data)
1125 sas_target_priv_data = sas_device_priv_data->sas_target;
1126 if (!sas_target_priv_data)
1128 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))
1130 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1131 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1132 sas_device_priv_data->sas_target->sas_address);
1133 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1134 if (sas_device && sas_device->device_info &
1135 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1136 max_depth = MPT2SAS_SATA_QUEUE_DEPTH;
1140 if (!sdev->tagged_supported)
1142 if (qdepth > max_depth)
1144 tag_type = (qdepth == 1) ? 0 : MSG_SIMPLE_TAG;
1145 scsi_adjust_queue_depth(sdev, tag_type, qdepth);
1147 if (sdev->inquiry_len > 7)
1148 sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), "
1149 "simple(%d), ordered(%d), scsi_level(%d), cmd_que(%d)\n",
1150 sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags,
1151 sdev->ordered_tags, sdev->scsi_level,
1152 (sdev->inquiry[7] & 2) >> 1);
1154 return sdev->queue_depth;
1158 * _scsih_change_queue_type - changing device queue tag type
1159 * @sdev: scsi device struct
1160 * @tag_type: requested tag type
1162 * Returns queue tag type.
1165 _scsih_change_queue_type(struct scsi_device *sdev, int tag_type)
1167 if (sdev->tagged_supported) {
1168 scsi_set_tag_type(sdev, tag_type);
1170 scsi_activate_tcq(sdev, sdev->queue_depth);
1172 scsi_deactivate_tcq(sdev, sdev->queue_depth);
1180 * _scsih_target_alloc - target add routine
1181 * @starget: scsi target struct
1183 * Returns 0 if ok. Any other return is assumed to be an error and
1184 * the device is ignored.
1187 _scsih_target_alloc(struct scsi_target *starget)
1189 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1190 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1191 struct MPT2SAS_TARGET *sas_target_priv_data;
1192 struct _sas_device *sas_device;
1193 struct _raid_device *raid_device;
1194 unsigned long flags;
1195 struct sas_rphy *rphy;
1197 sas_target_priv_data = kzalloc(sizeof(struct scsi_target), GFP_KERNEL);
1198 if (!sas_target_priv_data)
1201 starget->hostdata = sas_target_priv_data;
1202 sas_target_priv_data->starget = starget;
1203 sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE;
1206 if (starget->channel == RAID_CHANNEL) {
1207 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1208 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1211 sas_target_priv_data->handle = raid_device->handle;
1212 sas_target_priv_data->sas_address = raid_device->wwid;
1213 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME;
1214 raid_device->starget = starget;
1216 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1220 /* sas/sata devices */
1221 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1222 rphy = dev_to_rphy(starget->dev.parent);
1223 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1224 rphy->identify.sas_address);
1227 sas_target_priv_data->handle = sas_device->handle;
1228 sas_target_priv_data->sas_address = sas_device->sas_address;
1229 sas_device->starget = starget;
1230 sas_device->id = starget->id;
1231 sas_device->channel = starget->channel;
1232 if (test_bit(sas_device->handle, ioc->pd_handles))
1233 sas_target_priv_data->flags |=
1234 MPT_TARGET_FLAGS_RAID_COMPONENT;
1236 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1242 * _scsih_target_destroy - target destroy routine
1243 * @starget: scsi target struct
1248 _scsih_target_destroy(struct scsi_target *starget)
1250 struct Scsi_Host *shost = dev_to_shost(&starget->dev);
1251 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1252 struct MPT2SAS_TARGET *sas_target_priv_data;
1253 struct _sas_device *sas_device;
1254 struct _raid_device *raid_device;
1255 unsigned long flags;
1256 struct sas_rphy *rphy;
1258 sas_target_priv_data = starget->hostdata;
1259 if (!sas_target_priv_data)
1262 if (starget->channel == RAID_CHANNEL) {
1263 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1264 raid_device = _scsih_raid_device_find_by_id(ioc, starget->id,
1267 raid_device->starget = NULL;
1268 raid_device->sdev = NULL;
1270 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1274 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1275 rphy = dev_to_rphy(starget->dev.parent);
1276 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1277 rphy->identify.sas_address);
1278 if (sas_device && (sas_device->starget == starget) &&
1279 (sas_device->id == starget->id) &&
1280 (sas_device->channel == starget->channel))
1281 sas_device->starget = NULL;
1283 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1286 kfree(sas_target_priv_data);
1287 starget->hostdata = NULL;
1291 * _scsih_slave_alloc - device add routine
1292 * @sdev: scsi device struct
1294 * Returns 0 if ok. Any other return is assumed to be an error and
1295 * the device is ignored.
1298 _scsih_slave_alloc(struct scsi_device *sdev)
1300 struct Scsi_Host *shost;
1301 struct MPT2SAS_ADAPTER *ioc;
1302 struct MPT2SAS_TARGET *sas_target_priv_data;
1303 struct MPT2SAS_DEVICE *sas_device_priv_data;
1304 struct scsi_target *starget;
1305 struct _raid_device *raid_device;
1306 unsigned long flags;
1308 sas_device_priv_data = kzalloc(sizeof(struct scsi_device), GFP_KERNEL);
1309 if (!sas_device_priv_data)
1312 sas_device_priv_data->lun = sdev->lun;
1313 sas_device_priv_data->flags = MPT_DEVICE_FLAGS_INIT;
1315 starget = scsi_target(sdev);
1316 sas_target_priv_data = starget->hostdata;
1317 sas_target_priv_data->num_luns++;
1318 sas_device_priv_data->sas_target = sas_target_priv_data;
1319 sdev->hostdata = sas_device_priv_data;
1320 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT))
1321 sdev->no_uld_attach = 1;
1323 shost = dev_to_shost(&starget->dev);
1324 ioc = shost_priv(shost);
1325 if (starget->channel == RAID_CHANNEL) {
1326 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1327 raid_device = _scsih_raid_device_find_by_id(ioc,
1328 starget->id, starget->channel);
1330 raid_device->sdev = sdev; /* raid is single lun */
1331 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1338 * _scsih_slave_destroy - device destroy routine
1339 * @sdev: scsi device struct
1344 _scsih_slave_destroy(struct scsi_device *sdev)
1346 struct MPT2SAS_TARGET *sas_target_priv_data;
1347 struct scsi_target *starget;
1349 if (!sdev->hostdata)
1352 starget = scsi_target(sdev);
1353 sas_target_priv_data = starget->hostdata;
1354 sas_target_priv_data->num_luns--;
1355 kfree(sdev->hostdata);
1356 sdev->hostdata = NULL;
1360 * _scsih_display_sata_capabilities - sata capabilities
1361 * @ioc: per adapter object
1362 * @sas_device: the sas_device object
1363 * @sdev: scsi device struct
1366 _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc,
1367 struct _sas_device *sas_device, struct scsi_device *sdev)
1369 Mpi2ConfigReply_t mpi_reply;
1370 Mpi2SasDevicePage0_t sas_device_pg0;
1375 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
1376 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) {
1377 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1378 ioc->name, __FILE__, __LINE__, __func__);
1382 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
1383 MPI2_IOCSTATUS_MASK;
1384 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
1385 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1386 ioc->name, __FILE__, __LINE__, __func__);
1390 flags = le16_to_cpu(sas_device_pg0.Flags);
1391 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
1393 sdev_printk(KERN_INFO, sdev,
1394 "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), "
1395 "sw_preserve(%s)\n",
1396 (device_info & MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? "y" : "n",
1397 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_NCQ_SUPPORTED) ? "y" : "n",
1398 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_ASYNCHRONOUS_NOTIFY) ? "y" :
1400 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SMART_SUPPORTED) ? "y" : "n",
1401 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_FUA_SUPPORTED) ? "y" : "n",
1402 (flags & MPI2_SAS_DEVICE0_FLAGS_SATA_SW_PRESERVE) ? "y" : "n");
1406 * _scsih_is_raid - return boolean indicating device is raid volume
1407 * @dev the device struct object
1410 _scsih_is_raid(struct device *dev)
1412 struct scsi_device *sdev = to_scsi_device(dev);
1414 return (sdev->channel == RAID_CHANNEL) ? 1 : 0;
1418 * _scsih_get_resync - get raid volume resync percent complete
1419 * @dev the device struct object
1422 _scsih_get_resync(struct device *dev)
1424 struct scsi_device *sdev = to_scsi_device(dev);
1425 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
1426 static struct _raid_device *raid_device;
1427 unsigned long flags;
1428 Mpi2RaidVolPage0_t vol_pg0;
1429 Mpi2ConfigReply_t mpi_reply;
1430 u32 volume_status_flags;
1431 u8 percent_complete = 0;
1433 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1434 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1436 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1441 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1442 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle,
1443 sizeof(Mpi2RaidVolPage0_t))) {
1444 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1445 ioc->name, __FILE__, __LINE__, __func__);
1449 volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1450 if (volume_status_flags & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS)
1451 percent_complete = raid_device->percent_complete;
1453 raid_set_resync(mpt2sas_raid_template, dev, percent_complete);
1457 * _scsih_get_state - get raid volume level
1458 * @dev the device struct object
1461 _scsih_get_state(struct device *dev)
1463 struct scsi_device *sdev = to_scsi_device(dev);
1464 struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host);
1465 static struct _raid_device *raid_device;
1466 unsigned long flags;
1467 Mpi2RaidVolPage0_t vol_pg0;
1468 Mpi2ConfigReply_t mpi_reply;
1470 enum raid_state state = RAID_STATE_UNKNOWN;
1472 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1473 raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id,
1475 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1480 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0,
1481 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle,
1482 sizeof(Mpi2RaidVolPage0_t))) {
1483 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1484 ioc->name, __FILE__, __LINE__, __func__);
1488 volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags);
1489 if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) {
1490 state = RAID_STATE_RESYNCING;
1494 switch (vol_pg0.VolumeState) {
1495 case MPI2_RAID_VOL_STATE_OPTIMAL:
1496 case MPI2_RAID_VOL_STATE_ONLINE:
1497 state = RAID_STATE_ACTIVE;
1499 case MPI2_RAID_VOL_STATE_DEGRADED:
1500 state = RAID_STATE_DEGRADED;
1502 case MPI2_RAID_VOL_STATE_FAILED:
1503 case MPI2_RAID_VOL_STATE_MISSING:
1504 state = RAID_STATE_OFFLINE;
1508 raid_set_state(mpt2sas_raid_template, dev, state);
1512 * _scsih_set_level - set raid level
1513 * @sdev: scsi device struct
1514 * @raid_device: raid_device object
1517 _scsih_set_level(struct scsi_device *sdev, struct _raid_device *raid_device)
1519 enum raid_level level = RAID_LEVEL_UNKNOWN;
1521 switch (raid_device->volume_type) {
1522 case MPI2_RAID_VOL_TYPE_RAID0:
1523 level = RAID_LEVEL_0;
1525 case MPI2_RAID_VOL_TYPE_RAID10:
1526 level = RAID_LEVEL_10;
1528 case MPI2_RAID_VOL_TYPE_RAID1E:
1529 level = RAID_LEVEL_1E;
1531 case MPI2_RAID_VOL_TYPE_RAID1:
1532 level = RAID_LEVEL_1;
1536 raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level);
1540 * _scsih_get_volume_capabilities - volume capabilities
1541 * @ioc: per adapter object
1542 * @sas_device: the raid_device object
1545 _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc,
1546 struct _raid_device *raid_device)
1548 Mpi2RaidVolPage0_t *vol_pg0;
1549 Mpi2RaidPhysDiskPage0_t pd_pg0;
1550 Mpi2SasDevicePage0_t sas_device_pg0;
1551 Mpi2ConfigReply_t mpi_reply;
1555 if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle,
1556 &num_pds)) || !num_pds) {
1557 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1558 ioc->name, __FILE__, __LINE__, __func__);
1562 raid_device->num_pds = num_pds;
1563 sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds *
1564 sizeof(Mpi2RaidVol0PhysDisk_t));
1565 vol_pg0 = kzalloc(sz, GFP_KERNEL);
1567 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1568 ioc->name, __FILE__, __LINE__, __func__);
1572 if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0,
1573 MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) {
1574 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1575 ioc->name, __FILE__, __LINE__, __func__);
1580 raid_device->volume_type = vol_pg0->VolumeType;
1582 /* figure out what the underlying devices are by
1583 * obtaining the device_info bits for the 1st device
1585 if (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
1586 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM,
1587 vol_pg0->PhysDisk[0].PhysDiskNum))) {
1588 if (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
1589 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
1590 le16_to_cpu(pd_pg0.DevHandle)))) {
1591 raid_device->device_info =
1592 le32_to_cpu(sas_device_pg0.DeviceInfo);
1600 * _scsih_enable_tlr - setting TLR flags
1601 * @ioc: per adapter object
1602 * @sdev: scsi device struct
1604 * Enabling Transaction Layer Retries for tape devices when
1605 * vpd page 0x90 is present
1609 _scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev)
1612 if (sdev->type != TYPE_TAPE)
1615 if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR))
1618 sas_enable_tlr(sdev);
1619 sdev_printk(KERN_INFO, sdev, "TLR %s\n",
1620 sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled");
1626 * _scsih_slave_configure - device configure routine.
1627 * @sdev: scsi device struct
1629 * Returns 0 if ok. Any other return is assumed to be an error and
1630 * the device is ignored.
1633 _scsih_slave_configure(struct scsi_device *sdev)
1635 struct Scsi_Host *shost = sdev->host;
1636 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
1637 struct MPT2SAS_DEVICE *sas_device_priv_data;
1638 struct MPT2SAS_TARGET *sas_target_priv_data;
1639 struct _sas_device *sas_device;
1640 struct _raid_device *raid_device;
1641 unsigned long flags;
1648 sas_device_priv_data = sdev->hostdata;
1649 sas_device_priv_data->configured_lun = 1;
1650 sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT;
1651 sas_target_priv_data = sas_device_priv_data->sas_target;
1653 /* raid volume handling */
1654 if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) {
1656 spin_lock_irqsave(&ioc->raid_device_lock, flags);
1657 raid_device = _scsih_raid_device_find_by_handle(ioc,
1658 sas_target_priv_data->handle);
1659 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
1661 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
1662 ioc->name, __FILE__, __LINE__, __func__);
1666 _scsih_get_volume_capabilities(ioc, raid_device);
1668 /* RAID Queue Depth Support
1669 * IS volume = underlying qdepth of drive type, either
1670 * MPT2SAS_SAS_QUEUE_DEPTH or MPT2SAS_SATA_QUEUE_DEPTH
1671 * IM/IME/R10 = 128 (MPT2SAS_RAID_QUEUE_DEPTH)
1673 if (raid_device->device_info &
1674 MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1675 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
1678 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
1679 if (raid_device->device_info &
1680 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1686 switch (raid_device->volume_type) {
1687 case MPI2_RAID_VOL_TYPE_RAID0:
1690 case MPI2_RAID_VOL_TYPE_RAID1E:
1691 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1692 if (ioc->manu_pg10.OEMIdentifier &&
1693 (ioc->manu_pg10.GenericFlags0 &
1694 MFG10_GF0_R10_DISPLAY) &&
1695 !(raid_device->num_pds % 2))
1700 case MPI2_RAID_VOL_TYPE_RAID1:
1701 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1704 case MPI2_RAID_VOL_TYPE_RAID10:
1705 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1708 case MPI2_RAID_VOL_TYPE_UNKNOWN:
1710 qdepth = MPT2SAS_RAID_QUEUE_DEPTH;
1715 sdev_printk(KERN_INFO, sdev, "%s: "
1716 "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n",
1717 r_level, raid_device->handle,
1718 (unsigned long long)raid_device->wwid,
1719 raid_device->num_pds, ds);
1720 _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
1721 /* raid transport support */
1722 _scsih_set_level(sdev, raid_device);
1726 /* non-raid handling */
1727 spin_lock_irqsave(&ioc->sas_device_lock, flags);
1728 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
1729 sas_device_priv_data->sas_target->sas_address);
1730 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
1732 if (sas_target_priv_data->flags &
1733 MPT_TARGET_FLAGS_RAID_COMPONENT) {
1734 mpt2sas_config_get_volume_handle(ioc,
1735 sas_device->handle, &sas_device->volume_handle);
1736 mpt2sas_config_get_volume_wwid(ioc,
1737 sas_device->volume_handle,
1738 &sas_device->volume_wwid);
1740 if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) {
1741 qdepth = MPT2SAS_SAS_QUEUE_DEPTH;
1745 qdepth = MPT2SAS_SATA_QUEUE_DEPTH;
1746 if (sas_device->device_info &
1747 MPI2_SAS_DEVICE_INFO_STP_TARGET)
1749 else if (sas_device->device_info &
1750 MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
1754 sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), "
1755 "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n",
1756 ds, sas_device->handle,
1757 (unsigned long long)sas_device->sas_address,
1759 (unsigned long long)sas_device->device_name);
1760 sdev_printk(KERN_INFO, sdev, "%s: "
1761 "enclosure_logical_id(0x%016llx), slot(%d)\n", ds,
1762 (unsigned long long) sas_device->enclosure_logical_id,
1766 _scsih_display_sata_capabilities(ioc, sas_device, sdev);
1769 _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
1772 sas_read_port_mode_page(sdev);
1773 _scsih_enable_tlr(ioc, sdev);
1779 * _scsih_bios_param - fetch head, sector, cylinder info for a disk
1780 * @sdev: scsi device struct
1781 * @bdev: pointer to block device context
1782 * @capacity: device size (in 512 byte sectors)
1783 * @params: three element array to place output:
1784 * params[0] number of heads (max 255)
1785 * params[1] number of sectors (max 63)
1786 * params[2] number of cylinders
1791 _scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev,
1792 sector_t capacity, int params[])
1802 dummy = heads * sectors;
1803 cylinders = capacity;
1804 sector_div(cylinders, dummy);
1807 * Handle extended translation size for logical drives
1810 if ((ulong)capacity >= 0x200000) {
1813 dummy = heads * sectors;
1814 cylinders = capacity;
1815 sector_div(cylinders, dummy);
1820 params[1] = sectors;
1821 params[2] = cylinders;
1827 * _scsih_response_code - translation of device response code
1828 * @ioc: per adapter object
1829 * @response_code: response code returned by the device
1834 _scsih_response_code(struct MPT2SAS_ADAPTER *ioc, u8 response_code)
1838 switch (response_code) {
1839 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1840 desc = "task management request completed";
1842 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1843 desc = "invalid frame";
1845 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1846 desc = "task management request not supported";
1848 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1849 desc = "task management request failed";
1851 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1852 desc = "task management request succeeded";
1854 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1855 desc = "invalid lun";
1858 desc = "overlapped tag attempted";
1860 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1861 desc = "task queued, however not sent to target";
1867 printk(MPT2SAS_WARN_FMT "response_code(0x%01x): %s\n",
1868 ioc->name, response_code, desc);
1872 * _scsih_tm_done - tm completion routine
1873 * @ioc: per adapter object
1874 * @smid: system request message index
1875 * @msix_index: MSIX table index supplied by the OS
1876 * @reply: reply message frame(lower 32bit addr)
1879 * The callback handler when using scsih_issue_tm.
1881 * Return 1 meaning mf should be freed from _base_interrupt
1882 * 0 means the mf is freed from this function.
1885 _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
1887 MPI2DefaultReply_t *mpi_reply;
1889 if (ioc->tm_cmds.status == MPT2_CMD_NOT_USED)
1891 if (ioc->tm_cmds.smid != smid)
1893 ioc->tm_cmds.status |= MPT2_CMD_COMPLETE;
1894 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
1896 memcpy(ioc->tm_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
1897 ioc->tm_cmds.status |= MPT2_CMD_REPLY_VALID;
1899 ioc->tm_cmds.status &= ~MPT2_CMD_PENDING;
1900 complete(&ioc->tm_cmds.done);
1905 * mpt2sas_scsih_set_tm_flag - set per target tm_busy
1906 * @ioc: per adapter object
1907 * @handle: device handle
1909 * During taskmangement request, we need to freeze the device queue.
1912 mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
1914 struct MPT2SAS_DEVICE *sas_device_priv_data;
1915 struct scsi_device *sdev;
1918 shost_for_each_device(sdev, ioc->shost) {
1921 sas_device_priv_data = sdev->hostdata;
1922 if (!sas_device_priv_data)
1924 if (sas_device_priv_data->sas_target->handle == handle) {
1925 sas_device_priv_data->sas_target->tm_busy = 1;
1927 ioc->ignore_loginfos = 1;
1933 * mpt2sas_scsih_clear_tm_flag - clear per target tm_busy
1934 * @ioc: per adapter object
1935 * @handle: device handle
1937 * During taskmangement request, we need to freeze the device queue.
1940 mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
1942 struct MPT2SAS_DEVICE *sas_device_priv_data;
1943 struct scsi_device *sdev;
1946 shost_for_each_device(sdev, ioc->shost) {
1949 sas_device_priv_data = sdev->hostdata;
1950 if (!sas_device_priv_data)
1952 if (sas_device_priv_data->sas_target->handle == handle) {
1953 sas_device_priv_data->sas_target->tm_busy = 0;
1955 ioc->ignore_loginfos = 0;
1962 * mpt2sas_scsih_issue_tm - main routine for sending tm requests
1963 * @ioc: per adapter struct
1964 * @device_handle: device handle
1965 * @channel: the channel assigned by the OS
1966 * @id: the id assigned by the OS
1968 * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h)
1969 * @smid_task: smid assigned to the task
1970 * @timeout: timeout in seconds
1973 * A generic API for sending task management requests to firmware.
1975 * The callback index is set inside `ioc->tm_cb_idx`.
1977 * Return SUCCESS or FAILED.
1980 mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel,
1981 uint id, uint lun, u8 type, u16 smid_task, ulong timeout,
1982 struct scsi_cmnd *scmd)
1984 Mpi2SCSITaskManagementRequest_t *mpi_request;
1985 Mpi2SCSITaskManagementReply_t *mpi_reply;
1988 unsigned long timeleft;
1989 struct scsi_cmnd *scmd_lookup;
1992 mutex_lock(&ioc->tm_cmds.mutex);
1993 if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) {
1994 printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n",
1995 __func__, ioc->name);
2000 if (ioc->shost_recovery || ioc->remove_host ||
2001 ioc->pci_error_recovery) {
2002 printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
2003 __func__, ioc->name);
2008 ioc_state = mpt2sas_base_get_iocstate(ioc, 0);
2009 if (ioc_state & MPI2_DOORBELL_USED) {
2010 dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell "
2011 "active!\n", ioc->name));
2012 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2018 if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) {
2019 mpt2sas_base_fault_info(ioc, ioc_state &
2020 MPI2_DOORBELL_DATA_MASK);
2021 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2027 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx);
2029 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2030 ioc->name, __func__);
2035 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x),"
2036 " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type,
2038 ioc->tm_cmds.status = MPT2_CMD_PENDING;
2039 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2040 ioc->tm_cmds.smid = smid;
2041 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2042 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2043 mpi_request->DevHandle = cpu_to_le16(handle);
2044 mpi_request->TaskType = type;
2045 mpi_request->TaskMID = cpu_to_le16(smid_task);
2046 int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN);
2047 mpt2sas_scsih_set_tm_flag(ioc, handle);
2048 init_completion(&ioc->tm_cmds.done);
2049 mpt2sas_base_put_smid_hi_priority(ioc, smid);
2050 timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ);
2051 if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) {
2052 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
2053 ioc->name, __func__);
2054 _debug_dump_mf(mpi_request,
2055 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2056 if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) {
2057 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2060 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2061 mpt2sas_scsih_clear_tm_flag(ioc, handle);
2066 if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) {
2067 mpi_reply = ioc->tm_cmds.reply;
2068 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "complete tm: "
2069 "ioc_status(0x%04x), loginfo(0x%08x), term_count(0x%08x)\n",
2070 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
2071 le32_to_cpu(mpi_reply->IOCLogInfo),
2072 le32_to_cpu(mpi_reply->TerminationCount)));
2073 if (ioc->logging_level & MPT_DEBUG_TM) {
2074 _scsih_response_code(ioc, mpi_reply->ResponseCode);
2075 if (mpi_reply->IOCStatus)
2076 _debug_dump_mf(mpi_request,
2077 sizeof(Mpi2SCSITaskManagementRequest_t)/4);
2082 * Check to see the commands were terminated.
2083 * This is only needed for eh callbacks, hence the scmd check.
2087 goto bypass_sanity_checks;
2089 case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK:
2090 scmd_lookup = _scsih_scsi_lookup_get(ioc, smid_task);
2091 if (scmd_lookup && (scmd_lookup->serial_number ==
2092 scmd->serial_number))
2098 case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET:
2099 if (_scsih_scsi_lookup_find_by_target(ioc, id, channel))
2105 case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET:
2106 if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel))
2113 bypass_sanity_checks:
2115 mpt2sas_scsih_clear_tm_flag(ioc, handle);
2116 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
2117 mutex_unlock(&ioc->tm_cmds.mutex);
2122 mutex_unlock(&ioc->tm_cmds.mutex);
2127 * _scsih_tm_display_info - displays info about the device
2128 * @ioc: per adapter struct
2129 * @scmd: pointer to scsi command object
2131 * Called by task management callback handlers.
2134 _scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd)
2136 struct scsi_target *starget = scmd->device->sdev_target;
2137 struct MPT2SAS_TARGET *priv_target = starget->hostdata;
2138 struct _sas_device *sas_device = NULL;
2139 unsigned long flags;
2144 scsi_print_command(scmd);
2145 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2146 starget_printk(KERN_INFO, starget, "volume handle(0x%04x), "
2147 "volume wwid(0x%016llx)\n",
2148 priv_target->handle,
2149 (unsigned long long)priv_target->sas_address);
2151 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2152 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
2153 priv_target->sas_address);
2155 if (priv_target->flags &
2156 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2157 starget_printk(KERN_INFO, starget,
2158 "volume handle(0x%04x), "
2159 "volume wwid(0x%016llx)\n",
2160 sas_device->volume_handle,
2161 (unsigned long long)sas_device->volume_wwid);
2163 starget_printk(KERN_INFO, starget,
2164 "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n",
2166 (unsigned long long)sas_device->sas_address,
2168 starget_printk(KERN_INFO, starget,
2169 "enclosure_logical_id(0x%016llx), slot(%d)\n",
2170 (unsigned long long)sas_device->enclosure_logical_id,
2173 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2178 * _scsih_abort - eh threads main abort routine
2179 * @scmd: pointer to scsi command object
2181 * Returns SUCCESS if command aborted else FAILED
2184 _scsih_abort(struct scsi_cmnd *scmd)
2186 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2187 struct MPT2SAS_DEVICE *sas_device_priv_data;
2192 sdev_printk(KERN_INFO, scmd->device, "attempting task abort! "
2193 "scmd(%p)\n", scmd);
2194 _scsih_tm_display_info(ioc, scmd);
2196 sas_device_priv_data = scmd->device->hostdata;
2197 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2198 sdev_printk(KERN_INFO, scmd->device, "device been deleted! "
2199 "scmd(%p)\n", scmd);
2200 scmd->result = DID_NO_CONNECT << 16;
2201 scmd->scsi_done(scmd);
2206 /* search for the command */
2207 smid = _scsih_scsi_lookup_find_by_scmd(ioc, scmd);
2209 scmd->result = DID_RESET << 16;
2214 /* for hidden raid components and volumes this is not supported */
2215 if (sas_device_priv_data->sas_target->flags &
2216 MPT_TARGET_FLAGS_RAID_COMPONENT ||
2217 sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_VOLUME) {
2218 scmd->result = DID_RESET << 16;
2223 mpt2sas_halt_firmware(ioc);
2225 handle = sas_device_priv_data->sas_target->handle;
2226 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2227 scmd->device->id, scmd->device->lun,
2228 MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, scmd);
2231 sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n",
2232 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2237 * _scsih_dev_reset - eh threads main device reset routine
2238 * @scmd: pointer to scsi command object
2240 * Returns SUCCESS if command aborted else FAILED
2243 _scsih_dev_reset(struct scsi_cmnd *scmd)
2245 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2246 struct MPT2SAS_DEVICE *sas_device_priv_data;
2247 struct _sas_device *sas_device;
2248 unsigned long flags;
2252 struct scsi_target *starget = scmd->device->sdev_target;
2254 starget_printk(KERN_INFO, starget, "attempting target reset! "
2255 "scmd(%p)\n", scmd);
2256 _scsih_tm_display_info(ioc, scmd);
2258 sas_device_priv_data = scmd->device->hostdata;
2259 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2260 starget_printk(KERN_INFO, starget, "target been deleted! "
2261 "scmd(%p)\n", scmd);
2262 scmd->result = DID_NO_CONNECT << 16;
2263 scmd->scsi_done(scmd);
2268 /* for hidden raid components obtain the volume_handle */
2270 if (sas_device_priv_data->sas_target->flags &
2271 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2272 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2273 sas_device = _scsih_sas_device_find_by_handle(ioc,
2274 sas_device_priv_data->sas_target->handle);
2276 handle = sas_device->volume_handle;
2277 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2279 handle = sas_device_priv_data->sas_target->handle;
2282 scmd->result = DID_RESET << 16;
2287 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2288 scmd->device->id, scmd->device->lun,
2289 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, scmd);
2292 sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n",
2293 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2298 * _scsih_target_reset - eh threads main target reset routine
2299 * @scmd: pointer to scsi command object
2301 * Returns SUCCESS if command aborted else FAILED
2304 _scsih_target_reset(struct scsi_cmnd *scmd)
2306 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2307 struct MPT2SAS_DEVICE *sas_device_priv_data;
2308 struct _sas_device *sas_device;
2309 unsigned long flags;
2312 struct scsi_target *starget = scmd->device->sdev_target;
2314 starget_printk(KERN_INFO, starget, "attempting target reset! "
2315 "scmd(%p)\n", scmd);
2316 _scsih_tm_display_info(ioc, scmd);
2318 sas_device_priv_data = scmd->device->hostdata;
2319 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
2320 starget_printk(KERN_INFO, starget, "target been deleted! "
2321 "scmd(%p)\n", scmd);
2322 scmd->result = DID_NO_CONNECT << 16;
2323 scmd->scsi_done(scmd);
2328 /* for hidden raid components obtain the volume_handle */
2330 if (sas_device_priv_data->sas_target->flags &
2331 MPT_TARGET_FLAGS_RAID_COMPONENT) {
2332 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2333 sas_device = _scsih_sas_device_find_by_handle(ioc,
2334 sas_device_priv_data->sas_target->handle);
2336 handle = sas_device->volume_handle;
2337 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2339 handle = sas_device_priv_data->sas_target->handle;
2342 scmd->result = DID_RESET << 16;
2347 r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel,
2348 scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0,
2352 starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n",
2353 ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2358 * _scsih_host_reset - eh threads main host reset routine
2359 * @scmd: pointer to scsi command object
2361 * Returns SUCCESS if command aborted else FAILED
2364 _scsih_host_reset(struct scsi_cmnd *scmd)
2366 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
2369 printk(MPT2SAS_INFO_FMT "attempting host reset! scmd(%p)\n",
2371 scsi_print_command(scmd);
2373 retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
2375 r = (retval < 0) ? FAILED : SUCCESS;
2376 printk(MPT2SAS_INFO_FMT "host reset: %s scmd(%p)\n",
2377 ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd);
2383 * _scsih_fw_event_add - insert and queue up fw_event
2384 * @ioc: per adapter object
2385 * @fw_event: object describing the event
2386 * Context: This function will acquire ioc->fw_event_lock.
2388 * This adds the firmware event object into link list, then queues it up to
2389 * be processed from user context.
2394 _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event)
2396 unsigned long flags;
2398 if (ioc->firmware_event_thread == NULL)
2401 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2402 list_add_tail(&fw_event->list, &ioc->fw_event_list);
2403 INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work);
2404 queue_delayed_work(ioc->firmware_event_thread,
2405 &fw_event->delayed_work, 0);
2406 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2410 * _scsih_fw_event_free - delete fw_event
2411 * @ioc: per adapter object
2412 * @fw_event: object describing the event
2413 * Context: This function will acquire ioc->fw_event_lock.
2415 * This removes firmware event object from link list, frees associated memory.
2420 _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
2423 unsigned long flags;
2425 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2426 list_del(&fw_event->list);
2427 kfree(fw_event->event_data);
2429 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
2434 * _scsih_queue_rescan - queue a topology rescan from user context
2435 * @ioc: per adapter object
2440 _scsih_queue_rescan(struct MPT2SAS_ADAPTER *ioc)
2442 struct fw_event_work *fw_event;
2444 if (ioc->wait_for_port_enable_to_complete)
2446 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
2449 fw_event->event = MPT2SAS_RESCAN_AFTER_HOST_RESET;
2450 fw_event->ioc = ioc;
2451 _scsih_fw_event_add(ioc, fw_event);
2455 * _scsih_fw_event_cleanup_queue - cleanup event queue
2456 * @ioc: per adapter object
2458 * Walk the firmware event queue, either killing timers, or waiting
2459 * for outstanding events to complete
2464 _scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc)
2466 struct fw_event_work *fw_event, *next;
2468 if (list_empty(&ioc->fw_event_list) ||
2469 !ioc->firmware_event_thread || in_interrupt())
2472 list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) {
2473 if (cancel_delayed_work(&fw_event->delayed_work)) {
2474 _scsih_fw_event_free(ioc, fw_event);
2477 fw_event->cancel_pending_work = 1;
2482 * _scsih_ublock_io_device - set the device state to SDEV_RUNNING
2483 * @ioc: per adapter object
2484 * @handle: device handle
2486 * During device pull we need to appropiately set the sdev state.
2489 _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2491 struct MPT2SAS_DEVICE *sas_device_priv_data;
2492 struct scsi_device *sdev;
2494 shost_for_each_device(sdev, ioc->shost) {
2495 sas_device_priv_data = sdev->hostdata;
2496 if (!sas_device_priv_data)
2498 if (!sas_device_priv_data->block)
2500 if (sas_device_priv_data->sas_target->handle == handle) {
2501 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2502 MPT2SAS_INFO_FMT "SDEV_RUNNING: "
2503 "handle(0x%04x)\n", ioc->name, handle));
2504 sas_device_priv_data->block = 0;
2505 scsi_internal_device_unblock(sdev);
2511 * _scsih_block_io_device - set the device state to SDEV_BLOCK
2512 * @ioc: per adapter object
2513 * @handle: device handle
2515 * During device pull we need to appropiately set the sdev state.
2518 _scsih_block_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2520 struct MPT2SAS_DEVICE *sas_device_priv_data;
2521 struct scsi_device *sdev;
2523 shost_for_each_device(sdev, ioc->shost) {
2524 sas_device_priv_data = sdev->hostdata;
2525 if (!sas_device_priv_data)
2527 if (sas_device_priv_data->block)
2529 if (sas_device_priv_data->sas_target->handle == handle) {
2530 dewtprintk(ioc, sdev_printk(KERN_INFO, sdev,
2531 MPT2SAS_INFO_FMT "SDEV_BLOCK: "
2532 "handle(0x%04x)\n", ioc->name, handle));
2533 sas_device_priv_data->block = 1;
2534 scsi_internal_device_block(sdev);
2540 * _scsih_block_io_to_children_attached_to_ex
2541 * @ioc: per adapter object
2542 * @sas_expander: the sas_device object
2544 * This routine set sdev state to SDEV_BLOCK for all devices
2545 * attached to this expander. This function called when expander is
2549 _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc,
2550 struct _sas_node *sas_expander)
2552 struct _sas_port *mpt2sas_port;
2553 struct _sas_device *sas_device;
2554 struct _sas_node *expander_sibling;
2555 unsigned long flags;
2560 list_for_each_entry(mpt2sas_port,
2561 &sas_expander->sas_port_list, port_list) {
2562 if (mpt2sas_port->remote_identify.device_type ==
2564 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2566 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
2567 mpt2sas_port->remote_identify.sas_address);
2568 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2571 _scsih_block_io_device(ioc, sas_device->handle);
2575 list_for_each_entry(mpt2sas_port,
2576 &sas_expander->sas_port_list, port_list) {
2578 if (mpt2sas_port->remote_identify.device_type ==
2579 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
2580 mpt2sas_port->remote_identify.device_type ==
2581 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
2583 spin_lock_irqsave(&ioc->sas_node_lock, flags);
2585 mpt2sas_scsih_expander_find_by_sas_address(
2586 ioc, mpt2sas_port->remote_identify.sas_address);
2587 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
2588 _scsih_block_io_to_children_attached_to_ex(ioc,
2595 * _scsih_block_io_to_children_attached_directly
2596 * @ioc: per adapter object
2597 * @event_data: topology change event data
2599 * This routine set sdev state to SDEV_BLOCK for all devices
2600 * direct attached during device pull.
2603 _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc,
2604 Mpi2EventDataSasTopologyChangeList_t *event_data)
2611 for (i = 0; i < event_data->NumEntries; i++) {
2612 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
2615 phy_number = event_data->StartPhyNum + i;
2616 reason_code = event_data->PHY[i].PhyStatus &
2617 MPI2_EVENT_SAS_TOPO_RC_MASK;
2618 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING)
2619 _scsih_block_io_device(ioc, handle);
2624 * _scsih_tm_tr_send - send task management request
2625 * @ioc: per adapter object
2626 * @handle: device handle
2627 * Context: interrupt time.
2629 * This code is to initiate the device removal handshake protocal
2630 * with controller firmware. This function will issue target reset
2631 * using high priority request queue. It will send a sas iounit
2632 * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion.
2634 * This is designed to send muliple task management request at the same
2635 * time to the fifo. If the fifo is full, we will append the request,
2636 * and process it in a future completion.
2639 _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2641 Mpi2SCSITaskManagementRequest_t *mpi_request;
2643 struct _sas_device *sas_device;
2644 struct MPT2SAS_TARGET *sas_target_priv_data;
2645 unsigned long flags;
2646 struct _tr_list *delayed_tr;
2648 if (ioc->shost_recovery || ioc->remove_host ||
2649 ioc->pci_error_recovery) {
2650 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
2651 "progress!\n", __func__, ioc->name));
2655 /* if PD, then return */
2656 if (test_bit(handle, ioc->pd_handles))
2659 spin_lock_irqsave(&ioc->sas_device_lock, flags);
2660 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
2661 if (sas_device && sas_device->starget &&
2662 sas_device->starget->hostdata) {
2663 sas_target_priv_data = sas_device->starget->hostdata;
2664 sas_target_priv_data->deleted = 1;
2665 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2666 "setting delete flag: handle(0x%04x), "
2667 "sas_addr(0x%016llx)\n", ioc->name, handle,
2668 (unsigned long long) sas_device->sas_address));
2670 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
2672 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx);
2674 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
2677 INIT_LIST_HEAD(&delayed_tr->list);
2678 delayed_tr->handle = handle;
2679 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
2680 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2681 "DELAYED:tr:handle(0x%04x), (open)\n",
2682 ioc->name, handle));
2686 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
2687 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
2688 ioc->tm_tr_cb_idx));
2689 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2690 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2691 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2692 mpi_request->DevHandle = cpu_to_le16(handle);
2693 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
2694 mpt2sas_base_put_smid_hi_priority(ioc, smid);
2700 * _scsih_sas_control_complete - completion routine
2701 * @ioc: per adapter object
2702 * @smid: system request message index
2703 * @msix_index: MSIX table index supplied by the OS
2704 * @reply: reply message frame(lower 32bit addr)
2705 * Context: interrupt time.
2707 * This is the sas iounit controll completion routine.
2708 * This code is part of the code to initiate the device removal
2709 * handshake protocal with controller firmware.
2711 * Return 1 meaning mf should be freed from _base_interrupt
2712 * 0 means the mf is freed from this function.
2715 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
2716 u8 msix_index, u32 reply)
2718 Mpi2SasIoUnitControlReply_t *mpi_reply =
2719 mpt2sas_base_get_reply_virt_addr(ioc, reply);
2721 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2722 "sc_complete:handle(0x%04x), (open) "
2723 "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n",
2724 ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid,
2725 le16_to_cpu(mpi_reply->IOCStatus),
2726 le32_to_cpu(mpi_reply->IOCLogInfo)));
2731 * _scsih_tm_tr_volume_send - send target reset request for volumes
2732 * @ioc: per adapter object
2733 * @handle: device handle
2734 * Context: interrupt time.
2736 * This is designed to send muliple task management request at the same
2737 * time to the fifo. If the fifo is full, we will append the request,
2738 * and process it in a future completion.
2741 _scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle)
2743 Mpi2SCSITaskManagementRequest_t *mpi_request;
2745 struct _tr_list *delayed_tr;
2747 if (ioc->shost_recovery || ioc->remove_host ||
2748 ioc->pci_error_recovery) {
2749 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
2750 "progress!\n", __func__, ioc->name));
2754 smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx);
2756 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
2759 INIT_LIST_HEAD(&delayed_tr->list);
2760 delayed_tr->handle = handle;
2761 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list);
2762 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2763 "DELAYED:tr:handle(0x%04x), (open)\n",
2764 ioc->name, handle));
2768 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), "
2769 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid,
2770 ioc->tm_tr_volume_cb_idx));
2771 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
2772 memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t));
2773 mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2774 mpi_request->DevHandle = cpu_to_le16(handle);
2775 mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
2776 mpt2sas_base_put_smid_hi_priority(ioc, smid);
2780 * _scsih_tm_volume_tr_complete - target reset completion
2781 * @ioc: per adapter object
2782 * @smid: system request message index
2783 * @msix_index: MSIX table index supplied by the OS
2784 * @reply: reply message frame(lower 32bit addr)
2785 * Context: interrupt time.
2787 * Return 1 meaning mf should be freed from _base_interrupt
2788 * 0 means the mf is freed from this function.
2791 _scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid,
2792 u8 msix_index, u32 reply)
2795 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
2796 Mpi2SCSITaskManagementReply_t *mpi_reply =
2797 mpt2sas_base_get_reply_virt_addr(ioc, reply);
2799 if (ioc->shost_recovery || ioc->remove_host ||
2800 ioc->pci_error_recovery) {
2801 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
2802 "progress!\n", __func__, ioc->name));
2806 mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
2807 handle = le16_to_cpu(mpi_request_tm->DevHandle);
2808 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
2809 dewtprintk(ioc, printk("spurious interrupt: "
2810 "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle,
2811 le16_to_cpu(mpi_reply->DevHandle), smid));
2815 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2816 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
2817 "loginfo(0x%08x), completed(%d)\n", ioc->name,
2818 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
2819 le32_to_cpu(mpi_reply->IOCLogInfo),
2820 le32_to_cpu(mpi_reply->TerminationCount)));
2822 return _scsih_check_for_pending_tm(ioc, smid);
2826 * _scsih_tm_tr_complete -
2827 * @ioc: per adapter object
2828 * @smid: system request message index
2829 * @msix_index: MSIX table index supplied by the OS
2830 * @reply: reply message frame(lower 32bit addr)
2831 * Context: interrupt time.
2833 * This is the target reset completion routine.
2834 * This code is part of the code to initiate the device removal
2835 * handshake protocal with controller firmware.
2836 * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE)
2838 * Return 1 meaning mf should be freed from _base_interrupt
2839 * 0 means the mf is freed from this function.
2842 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
2846 Mpi2SCSITaskManagementRequest_t *mpi_request_tm;
2847 Mpi2SCSITaskManagementReply_t *mpi_reply =
2848 mpt2sas_base_get_reply_virt_addr(ioc, reply);
2849 Mpi2SasIoUnitControlRequest_t *mpi_request;
2852 if (ioc->shost_recovery || ioc->remove_host ||
2853 ioc->pci_error_recovery) {
2854 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in "
2855 "progress!\n", __func__, ioc->name));
2859 mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid);
2860 handle = le16_to_cpu(mpi_request_tm->DevHandle);
2861 if (handle != le16_to_cpu(mpi_reply->DevHandle)) {
2862 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: "
2863 "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle,
2864 le16_to_cpu(mpi_reply->DevHandle), smid));
2868 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
2869 "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), "
2870 "loginfo(0x%08x), completed(%d)\n", ioc->name,
2871 handle, smid, le16_to_cpu(mpi_reply->IOCStatus),
2872 le32_to_cpu(mpi_reply->IOCLogInfo),
2873 le32_to_cpu(mpi_reply->TerminationCount)));
2875 smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx);
2876 if (!smid_sas_ctrl) {
2877 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
2878 ioc->name, __func__);
2882 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), "
2883 "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl,
2884 ioc->tm_sas_control_cb_idx));
2885 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl);
2886 memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t));
2887 mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
2888 mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
2889 mpi_request->DevHandle = mpi_request_tm->DevHandle;
2890 mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl);
2892 return _scsih_check_for_pending_tm(ioc, smid);
2896 * _scsih_check_for_pending_tm - check for pending task management
2897 * @ioc: per adapter object
2898 * @smid: system request message index
2900 * This will check delayed target reset list, and feed the
2903 * Return 1 meaning mf should be freed from _base_interrupt
2904 * 0 means the mf is freed from this function.
2907 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid)
2909 struct _tr_list *delayed_tr;
2911 if (!list_empty(&ioc->delayed_tr_volume_list)) {
2912 delayed_tr = list_entry(ioc->delayed_tr_volume_list.next,
2913 struct _tr_list, list);
2914 mpt2sas_base_free_smid(ioc, smid);
2915 _scsih_tm_tr_volume_send(ioc, delayed_tr->handle);
2916 list_del(&delayed_tr->list);
2921 if (!list_empty(&ioc->delayed_tr_list)) {
2922 delayed_tr = list_entry(ioc->delayed_tr_list.next,
2923 struct _tr_list, list);
2924 mpt2sas_base_free_smid(ioc, smid);
2925 _scsih_tm_tr_send(ioc, delayed_tr->handle);
2926 list_del(&delayed_tr->list);
2935 * _scsih_check_topo_delete_events - sanity check on topo events
2936 * @ioc: per adapter object
2937 * @event_data: the event data payload
2939 * This routine added to better handle cable breaker.
2941 * This handles the case where driver recieves multiple expander
2942 * add and delete events in a single shot. When there is a delete event
2943 * the routine will void any pending add events waiting in the event queue.
2948 _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc,
2949 Mpi2EventDataSasTopologyChangeList_t *event_data)
2951 struct fw_event_work *fw_event;
2952 Mpi2EventDataSasTopologyChangeList_t *local_event_data;
2953 u16 expander_handle;
2954 struct _sas_node *sas_expander;
2955 unsigned long flags;
2959 for (i = 0 ; i < event_data->NumEntries; i++) {
2960 if (event_data->PHY[i].PhyStatus &
2961 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT)
2963 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
2966 reason_code = event_data->PHY[i].PhyStatus &
2967 MPI2_EVENT_SAS_TOPO_RC_MASK;
2968 if (reason_code == MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING)
2969 _scsih_tm_tr_send(ioc, handle);
2972 expander_handle = le16_to_cpu(event_data->ExpanderDevHandle);
2973 if (expander_handle < ioc->sas_hba.num_phys) {
2974 _scsih_block_io_to_children_attached_directly(ioc, event_data);
2978 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING
2979 || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) {
2980 spin_lock_irqsave(&ioc->sas_node_lock, flags);
2981 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
2983 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
2984 _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander);
2985 } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING)
2986 _scsih_block_io_to_children_attached_directly(ioc, event_data);
2988 if (event_data->ExpStatus != MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING)
2991 /* mark ignore flag for pending events */
2992 spin_lock_irqsave(&ioc->fw_event_lock, flags);
2993 list_for_each_entry(fw_event, &ioc->fw_event_list, list) {
2994 if (fw_event->event != MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
2997 local_event_data = fw_event->event_data;
2998 if (local_event_data->ExpStatus ==
2999 MPI2_EVENT_SAS_TOPO_ES_ADDED ||
3000 local_event_data->ExpStatus ==
3001 MPI2_EVENT_SAS_TOPO_ES_RESPONDING) {
3002 if (le16_to_cpu(local_event_data->ExpanderDevHandle) ==
3004 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3005 "setting ignoring flag\n", ioc->name));
3006 fw_event->ignore = 1;
3010 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
3014 * _scsih_set_volume_delete_flag - setting volume delete flag
3015 * @ioc: per adapter object
3016 * @handle: device handle
3022 _scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3024 struct _raid_device *raid_device;
3025 struct MPT2SAS_TARGET *sas_target_priv_data;
3026 unsigned long flags;
3028 spin_lock_irqsave(&ioc->raid_device_lock, flags);
3029 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
3030 if (raid_device && raid_device->starget &&
3031 raid_device->starget->hostdata) {
3032 sas_target_priv_data =
3033 raid_device->starget->hostdata;
3034 sas_target_priv_data->deleted = 1;
3035 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3036 "setting delete flag: handle(0x%04x), "
3037 "wwid(0x%016llx)\n", ioc->name, handle,
3038 (unsigned long long) raid_device->wwid));
3040 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
3044 * _scsih_set_volume_handle_for_tr - set handle for target reset to volume
3045 * @handle: input handle
3046 * @a: handle for volume a
3047 * @b: handle for volume b
3049 * IR firmware only supports two raid volumes. The purpose of this
3050 * routine is to set the volume handle in either a or b. When the given
3051 * input handle is non-zero, or when a and b have not been set before.
3054 _scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b)
3056 if (!handle || handle == *a || handle == *b)
3065 * _scsih_check_ir_config_unhide_events - check for UNHIDE events
3066 * @ioc: per adapter object
3067 * @event_data: the event data payload
3068 * Context: interrupt time.
3070 * This routine will send target reset to volume, followed by target
3071 * resets to the PDs. This is called when a PD has been removed, or
3072 * volume has been deleted or removed. When the target reset is sent
3073 * to volume, the PD target resets need to be queued to start upon
3074 * completion of the volume target reset.
3079 _scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc,
3080 Mpi2EventDataIrConfigChangeList_t *event_data)
3082 Mpi2EventIrConfigElement_t *element;
3084 u16 handle, volume_handle, a, b;
3085 struct _tr_list *delayed_tr;
3090 /* Volume Resets for Deleted or Removed */
3091 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3092 for (i = 0; i < event_data->NumElements; i++, element++) {
3093 if (element->ReasonCode ==
3094 MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED ||
3095 element->ReasonCode ==
3096 MPI2_EVENT_IR_CHANGE_RC_REMOVED) {
3097 volume_handle = le16_to_cpu(element->VolDevHandle);
3098 _scsih_set_volume_delete_flag(ioc, volume_handle);
3099 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3103 /* Volume Resets for UNHIDE events */
3104 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3105 for (i = 0; i < event_data->NumElements; i++, element++) {
3106 if (le32_to_cpu(event_data->Flags) &
3107 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG)
3109 if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) {
3110 volume_handle = le16_to_cpu(element->VolDevHandle);
3111 _scsih_set_volume_handle_for_tr(volume_handle, &a, &b);
3116 _scsih_tm_tr_volume_send(ioc, a);
3118 _scsih_tm_tr_volume_send(ioc, b);
3120 /* PD target resets */
3121 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
3122 for (i = 0; i < event_data->NumElements; i++, element++) {
3123 if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE)
3125 handle = le16_to_cpu(element->PhysDiskDevHandle);
3126 volume_handle = le16_to_cpu(element->VolDevHandle);
3127 clear_bit(handle, ioc->pd_handles);
3129 _scsih_tm_tr_send(ioc, handle);
3130 else if (volume_handle == a || volume_handle == b) {
3131 delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC);
3132 BUG_ON(!delayed_tr);
3133 INIT_LIST_HEAD(&delayed_tr->list);
3134 delayed_tr->handle = handle;
3135 list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list);
3136 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3137 "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name,
3140 _scsih_tm_tr_send(ioc, handle);
3146 * _scsih_check_volume_delete_events - set delete flag for volumes
3147 * @ioc: per adapter object
3148 * @event_data: the event data payload
3149 * Context: interrupt time.
3151 * This will handle the case when the cable connected to entire volume is
3152 * pulled. We will take care of setting the deleted flag so normal IO will
3158 _scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc,
3159 Mpi2EventDataIrVolume_t *event_data)
3163 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
3165 state = le32_to_cpu(event_data->NewValue);
3166 if (state == MPI2_RAID_VOL_STATE_MISSING || state ==
3167 MPI2_RAID_VOL_STATE_FAILED)
3168 _scsih_set_volume_delete_flag(ioc,
3169 le16_to_cpu(event_data->VolDevHandle));
3173 * _scsih_flush_running_cmds - completing outstanding commands.
3174 * @ioc: per adapter object
3176 * The flushing out of all pending scmd commands following host reset,
3177 * where all IO is dropped to the floor.
3182 _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc)
3184 struct scsi_cmnd *scmd;
3188 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
3189 scmd = _scsih_scsi_lookup_get(ioc, smid);
3193 mpt2sas_base_free_smid(ioc, smid);
3194 scsi_dma_unmap(scmd);
3195 if (ioc->pci_error_recovery)
3196 scmd->result = DID_NO_CONNECT << 16;
3198 scmd->result = DID_RESET << 16;
3199 scmd->scsi_done(scmd);
3201 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n",
3206 * _scsih_setup_eedp - setup MPI request for EEDP transfer
3207 * @scmd: pointer to scsi command object
3208 * @mpi_request: pointer to the SCSI_IO reqest message frame
3210 * Supporting protection 1 and 3.
3215 _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
3218 unsigned char prot_op = scsi_get_prot_op(scmd);
3219 unsigned char prot_type = scsi_get_prot_type(scmd);
3221 if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
3224 if (prot_op == SCSI_PROT_READ_STRIP)
3225 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP;
3226 else if (prot_op == SCSI_PROT_WRITE_INSERT)
3227 eedp_flags = MPI2_SCSIIO_EEDPFLAGS_INSERT_OP;
3231 switch (prot_type) {
3232 case SCSI_PROT_DIF_TYPE1:
3235 * enable ref/guard checking
3236 * auto increment ref tag
3238 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3239 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3240 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3241 mpi_request->CDB.EEDP32.PrimaryReferenceTag =
3242 cpu_to_be32(scsi_get_lba(scmd));
3245 case SCSI_PROT_DIF_TYPE2:
3247 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
3248 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
3249 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3252 case SCSI_PROT_DIF_TYPE3:
3255 * enable guard checking
3257 eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
3260 mpi_request->EEDPBlockSize = cpu_to_le32(scmd->device->sector_size);
3261 mpi_request->EEDPFlags = cpu_to_le16(eedp_flags);
3265 * _scsih_eedp_error_handling - return sense code for EEDP errors
3266 * @scmd: pointer to scsi command object
3267 * @ioc_status: ioc status
3272 _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status)
3278 switch (ioc_status) {
3279 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3282 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3285 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
3293 if (scmd->sc_data_direction == DMA_TO_DEVICE) {
3294 sk = ILLEGAL_REQUEST;
3295 host_byte = DID_ABORT;
3297 sk = ABORTED_COMMAND;
3301 scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq);
3302 scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) |
3303 SAM_STAT_CHECK_CONDITION;
3307 * _scsih_qcmd - main scsi request entry point
3308 * @scmd: pointer to scsi command object
3309 * @done: function pointer to be invoked on completion
3311 * The callback index is set inside `ioc->scsi_io_cb_idx`.
3313 * Returns 0 on success. If there's a failure, return either:
3314 * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or
3315 * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full
3318 _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
3320 struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host);
3321 struct MPT2SAS_DEVICE *sas_device_priv_data;
3322 struct MPT2SAS_TARGET *sas_target_priv_data;
3323 Mpi2SCSIIORequest_t *mpi_request;
3327 scmd->scsi_done = done;
3328 sas_device_priv_data = scmd->device->hostdata;
3329 if (!sas_device_priv_data || !sas_device_priv_data->sas_target) {
3330 scmd->result = DID_NO_CONNECT << 16;
3331 scmd->scsi_done(scmd);
3335 if (ioc->pci_error_recovery) {
3336 scmd->result = DID_NO_CONNECT << 16;
3337 scmd->scsi_done(scmd);
3341 sas_target_priv_data = sas_device_priv_data->sas_target;
3342 /* invalid device handle */
3343 if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) {
3344 scmd->result = DID_NO_CONNECT << 16;
3345 scmd->scsi_done(scmd);
3349 /* host recovery or link resets sent via IOCTLs */
3350 if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress)
3351 return SCSI_MLQUEUE_HOST_BUSY;
3352 /* device busy with task management */
3353 else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy)
3354 return SCSI_MLQUEUE_DEVICE_BUSY;
3355 /* device has been deleted */
3356 else if (sas_target_priv_data->deleted) {
3357 scmd->result = DID_NO_CONNECT << 16;
3358 scmd->scsi_done(scmd);
3362 if (scmd->sc_data_direction == DMA_FROM_DEVICE)
3363 mpi_control = MPI2_SCSIIO_CONTROL_READ;
3364 else if (scmd->sc_data_direction == DMA_TO_DEVICE)
3365 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
3367 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
3370 if (!(sas_device_priv_data->flags & MPT_DEVICE_FLAGS_INIT)) {
3371 if (scmd->device->tagged_supported) {
3372 if (scmd->device->ordered_tags)
3373 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
3375 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
3377 /* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */
3378 /* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED;
3380 mpi_control |= (0x500);
3383 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
3384 /* Make sure Device is not raid volume */
3385 if (!_scsih_is_raid(&scmd->device->sdev_gendev) &&
3386 sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
3387 mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
3389 smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
3391 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
3392 ioc->name, __func__);
3395 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3396 memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
3397 _scsih_setup_eedp(scmd, mpi_request);
3398 if (scmd->cmd_len == 32)
3399 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
3400 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
3401 if (sas_device_priv_data->sas_target->flags &
3402 MPT_TARGET_FLAGS_RAID_COMPONENT)
3403 mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
3405 mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
3406 mpi_request->DevHandle =
3407 cpu_to_le16(sas_device_priv_data->sas_target->handle);
3408 mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd));
3409 mpi_request->Control = cpu_to_le32(mpi_control);
3410 mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len);
3411 mpi_request->MsgFlags = MPI2_SCSIIO_MSGFLAGS_SYSTEM_SENSE_ADDR;
3412 mpi_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
3413 mpi_request->SenseBufferLowAddress =
3414 mpt2sas_base_get_sense_buffer_dma(ioc, smid);
3415 mpi_request->SGLOffset0 = offsetof(Mpi2SCSIIORequest_t, SGL) / 4;
3416 mpi_request->SGLFlags = cpu_to_le16(MPI2_SCSIIO_SGLFLAGS_TYPE_MPI +
3417 MPI2_SCSIIO_SGLFLAGS_SYSTEM_ADDR);
3418 mpi_request->VF_ID = 0; /* TODO */
3419 mpi_request->VP_ID = 0;
3420 int_to_scsilun(sas_device_priv_data->lun, (struct scsi_lun *)
3422 memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len);
3424 if (!mpi_request->DataLength) {
3425 mpt2sas_base_build_zero_len_sge(ioc, &mpi_request->SGL);
3427 if (_scsih_build_scatter_gather(ioc, scmd, smid)) {
3428 mpt2sas_base_free_smid(ioc, smid);
3433 if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST))
3434 mpt2sas_base_put_smid_scsi_io(ioc, smid,
3435 sas_device_priv_data->sas_target->handle);
3437 mpt2sas_base_put_smid_default(ioc, smid);
3441 return SCSI_MLQUEUE_HOST_BUSY;
3445 * _scsih_normalize_sense - normalize descriptor and fixed format sense data
3446 * @sense_buffer: sense data returned by target
3447 * @data: normalized skey/asc/ascq
3452 _scsih_normalize_sense(char *sense_buffer, struct sense_info *data)
3454 if ((sense_buffer[0] & 0x7F) >= 0x72) {
3455 /* descriptor format */
3456 data->skey = sense_buffer[1] & 0x0F;
3457 data->asc = sense_buffer[2];
3458 data->ascq = sense_buffer[3];
3461 data->skey = sense_buffer[2] & 0x0F;
3462 data->asc = sense_buffer[12];
3463 data->ascq = sense_buffer[13];
3467 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3469 * _scsih_scsi_ioc_info - translated non-successfull SCSI_IO request
3470 * @ioc: per adapter object
3471 * @scmd: pointer to scsi command object
3472 * @mpi_reply: reply mf payload returned from firmware
3474 * scsi_status - SCSI Status code returned from target device
3475 * scsi_state - state info associated with SCSI_IO determined by ioc
3476 * ioc_status - ioc supplied status info
3481 _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd,
3482 Mpi2SCSIIOReply_t *mpi_reply, u16 smid)
3486 u16 ioc_status = le16_to_cpu(mpi_reply->IOCStatus) &
3487 MPI2_IOCSTATUS_MASK;
3488 u8 scsi_state = mpi_reply->SCSIState;
3489 u8 scsi_status = mpi_reply->SCSIStatus;
3490 char *desc_ioc_state = NULL;
3491 char *desc_scsi_status = NULL;
3492 char *desc_scsi_state = ioc->tmp_string;
3493 u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
3494 struct _sas_device *sas_device = NULL;
3495 unsigned long flags;
3496 struct scsi_target *starget = scmd->device->sdev_target;
3497 struct MPT2SAS_TARGET *priv_target = starget->hostdata;
3502 if (log_info == 0x31170000)
3505 switch (ioc_status) {
3506 case MPI2_IOCSTATUS_SUCCESS:
3507 desc_ioc_state = "success";
3509 case MPI2_IOCSTATUS_INVALID_FUNCTION:
3510 desc_ioc_state = "invalid function";
3512 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
3513 desc_ioc_state = "scsi recovered error";
3515 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
3516 desc_ioc_state = "scsi invalid dev handle";
3518 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
3519 desc_ioc_state = "scsi device not there";
3521 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
3522 desc_ioc_state = "scsi data overrun";
3524 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
3525 desc_ioc_state = "scsi data underrun";
3527 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
3528 desc_ioc_state = "scsi io data error";
3530 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
3531 desc_ioc_state = "scsi protocol error";
3533 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
3534 desc_ioc_state = "scsi task terminated";
3536 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
3537 desc_ioc_state = "scsi residual mismatch";
3539 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
3540 desc_ioc_state = "scsi task mgmt failed";
3542 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
3543 desc_ioc_state = "scsi ioc terminated";
3545 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
3546 desc_ioc_state = "scsi ext terminated";
3548 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3549 desc_ioc_state = "eedp guard error";
3551 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
3552 desc_ioc_state = "eedp ref tag error";
3554 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3555 desc_ioc_state = "eedp app tag error";
3558 desc_ioc_state = "unknown";
3562 switch (scsi_status) {
3563 case MPI2_SCSI_STATUS_GOOD:
3564 desc_scsi_status = "good";
3566 case MPI2_SCSI_STATUS_CHECK_CONDITION:
3567 desc_scsi_status = "check condition";
3569 case MPI2_SCSI_STATUS_CONDITION_MET:
3570 desc_scsi_status = "condition met";
3572 case MPI2_SCSI_STATUS_BUSY:
3573 desc_scsi_status = "busy";
3575 case MPI2_SCSI_STATUS_INTERMEDIATE:
3576 desc_scsi_status = "intermediate";
3578 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
3579 desc_scsi_status = "intermediate condmet";
3581 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
3582 desc_scsi_status = "reservation conflict";
3584 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
3585 desc_scsi_status = "command terminated";
3587 case MPI2_SCSI_STATUS_TASK_SET_FULL:
3588 desc_scsi_status = "task set full";
3590 case MPI2_SCSI_STATUS_ACA_ACTIVE:
3591 desc_scsi_status = "aca active";
3593 case MPI2_SCSI_STATUS_TASK_ABORTED:
3594 desc_scsi_status = "task aborted";
3597 desc_scsi_status = "unknown";
3601 desc_scsi_state[0] = '\0';
3603 desc_scsi_state = " ";
3604 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
3605 strcat(desc_scsi_state, "response info ");
3606 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
3607 strcat(desc_scsi_state, "state terminated ");
3608 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
3609 strcat(desc_scsi_state, "no status ");
3610 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
3611 strcat(desc_scsi_state, "autosense failed ");
3612 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
3613 strcat(desc_scsi_state, "autosense valid ");
3615 scsi_print_command(scmd);
3617 if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) {
3618 printk(MPT2SAS_WARN_FMT "\tvolume wwid(0x%016llx)\n", ioc->name,
3619 (unsigned long long)priv_target->sas_address);
3621 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3622 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
3623 priv_target->sas_address);
3625 printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
3626 "phy(%d)\n", ioc->name, sas_device->sas_address,
3628 printk(MPT2SAS_WARN_FMT
3629 "\tenclosure_logical_id(0x%016llx), slot(%d)\n",
3630 ioc->name, sas_device->enclosure_logical_id,
3633 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3636 printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), "
3637 "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle),
3638 desc_ioc_state, ioc_status, smid);
3639 printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), "
3640 "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow,
3641 scsi_get_resid(scmd));
3642 printk(MPT2SAS_WARN_FMT "\ttag(%d), transfer_count(%d), "
3643 "sc->result(0x%08x)\n", ioc->name, le16_to_cpu(mpi_reply->TaskTag),
3644 le32_to_cpu(mpi_reply->TransferCount), scmd->result);
3645 printk(MPT2SAS_WARN_FMT "\tscsi_status(%s)(0x%02x), "
3646 "scsi_state(%s)(0x%02x)\n", ioc->name, desc_scsi_status,
3647 scsi_status, desc_scsi_state, scsi_state);
3649 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
3650 struct sense_info data;
3651 _scsih_normalize_sense(scmd->sense_buffer, &data);
3652 printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: "
3653 "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey,
3654 data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount));
3657 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
3658 response_info = le32_to_cpu(mpi_reply->ResponseInfo);
3659 response_bytes = (u8 *)&response_info;
3660 _scsih_response_code(ioc, response_bytes[0]);
3666 * _scsih_smart_predicted_fault - illuminate Fault LED
3667 * @ioc: per adapter object
3668 * @handle: device handle
3673 _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle)
3675 Mpi2SepReply_t mpi_reply;
3676 Mpi2SepRequest_t mpi_request;
3677 struct scsi_target *starget;
3678 struct MPT2SAS_TARGET *sas_target_priv_data;
3679 Mpi2EventNotificationReply_t *event_reply;
3680 Mpi2EventDataSasDeviceStatusChange_t *event_data;
3681 struct _sas_device *sas_device;
3683 unsigned long flags;
3685 /* only handle non-raid devices */
3686 spin_lock_irqsave(&ioc->sas_device_lock, flags);
3687 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
3689 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3692 starget = sas_device->starget;
3693 sas_target_priv_data = starget->hostdata;
3695 if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) ||
3696 ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) {
3697 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3700 starget_printk(KERN_WARNING, starget, "predicted fault\n");
3701 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
3703 if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) {
3704 memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t));
3705 mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
3706 mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS;
3707 mpi_request.SlotStatus =
3708 cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT);
3709 mpi_request.DevHandle = cpu_to_le16(handle);
3710 mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS;
3711 if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply,
3712 &mpi_request)) != 0) {
3713 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3714 ioc->name, __FILE__, __LINE__, __func__);
3718 if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) {
3719 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT
3720 "enclosure_processor: ioc_status (0x%04x), "
3721 "loginfo(0x%08x)\n", ioc->name,
3722 le16_to_cpu(mpi_reply.IOCStatus),
3723 le32_to_cpu(mpi_reply.IOCLogInfo)));
3728 /* insert into event log */
3729 sz = offsetof(Mpi2EventNotificationReply_t, EventData) +
3730 sizeof(Mpi2EventDataSasDeviceStatusChange_t);
3731 event_reply = kzalloc(sz, GFP_KERNEL);
3733 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3734 ioc->name, __FILE__, __LINE__, __func__);
3738 event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION;
3739 event_reply->Event =
3740 cpu_to_le16(MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
3741 event_reply->MsgLength = sz/4;
3742 event_reply->EventDataLength =
3743 cpu_to_le16(sizeof(Mpi2EventDataSasDeviceStatusChange_t)/4);
3744 event_data = (Mpi2EventDataSasDeviceStatusChange_t *)
3745 event_reply->EventData;
3746 event_data->ReasonCode = MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA;
3747 event_data->ASC = 0x5D;
3748 event_data->DevHandle = cpu_to_le16(handle);
3749 event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address);
3750 mpt2sas_ctl_add_to_event_log(ioc, event_reply);
3755 * _scsih_io_done - scsi request callback
3756 * @ioc: per adapter object
3757 * @smid: system request message index
3758 * @msix_index: MSIX table index supplied by the OS
3759 * @reply: reply message frame(lower 32bit addr)
3761 * Callback handler when using _scsih_qcmd.
3763 * Return 1 meaning mf should be freed from _base_interrupt
3764 * 0 means the mf is freed from this function.
3767 _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
3769 Mpi2SCSIIORequest_t *mpi_request;
3770 Mpi2SCSIIOReply_t *mpi_reply;
3771 struct scsi_cmnd *scmd;
3777 struct MPT2SAS_DEVICE *sas_device_priv_data;
3778 u32 response_code = 0;
3780 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
3781 scmd = _scsih_scsi_lookup_get(ioc, smid);
3785 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
3787 if (mpi_reply == NULL) {
3788 scmd->result = DID_OK << 16;
3792 sas_device_priv_data = scmd->device->hostdata;
3793 if (!sas_device_priv_data || !sas_device_priv_data->sas_target ||
3794 sas_device_priv_data->sas_target->deleted) {
3795 scmd->result = DID_NO_CONNECT << 16;
3799 /* turning off TLR */
3800 scsi_state = mpi_reply->SCSIState;
3801 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
3803 le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF;
3804 if (!sas_device_priv_data->tlr_snoop_check) {
3805 sas_device_priv_data->tlr_snoop_check++;
3806 if (!_scsih_is_raid(&scmd->device->sdev_gendev) &&
3807 sas_is_tlr_enabled(scmd->device) &&
3808 response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) {
3809 sas_disable_tlr(scmd->device);
3810 sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n");
3814 xfer_cnt = le32_to_cpu(mpi_reply->TransferCount);
3815 scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt);
3816 ioc_status = le16_to_cpu(mpi_reply->IOCStatus);
3817 if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE)
3818 log_info = le32_to_cpu(mpi_reply->IOCLogInfo);
3821 ioc_status &= MPI2_IOCSTATUS_MASK;
3822 scsi_status = mpi_reply->SCSIStatus;
3824 if (ioc_status == MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN && xfer_cnt == 0 &&
3825 (scsi_status == MPI2_SCSI_STATUS_BUSY ||
3826 scsi_status == MPI2_SCSI_STATUS_RESERVATION_CONFLICT ||
3827 scsi_status == MPI2_SCSI_STATUS_TASK_SET_FULL)) {
3828 ioc_status = MPI2_IOCSTATUS_SUCCESS;
3831 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
3832 struct sense_info data;
3833 const void *sense_data = mpt2sas_base_get_sense_buffer(ioc,
3835 u32 sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
3836 le32_to_cpu(mpi_reply->SenseCount));
3837 memcpy(scmd->sense_buffer, sense_data, sz);
3838 _scsih_normalize_sense(scmd->sense_buffer, &data);
3839 /* failure prediction threshold exceeded */
3840 if (data.asc == 0x5D)
3841 _scsih_smart_predicted_fault(ioc,
3842 le16_to_cpu(mpi_reply->DevHandle));
3845 switch (ioc_status) {
3846 case MPI2_IOCSTATUS_BUSY:
3847 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
3848 scmd->result = SAM_STAT_BUSY;
3851 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
3852 scmd->result = DID_NO_CONNECT << 16;
3855 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
3856 if (sas_device_priv_data->block) {
3857 scmd->result = DID_TRANSPORT_DISRUPTED << 16;
3860 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
3861 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
3862 scmd->result = DID_RESET << 16;
3865 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
3866 if ((xfer_cnt == 0) || (scmd->underflow > xfer_cnt))
3867 scmd->result = DID_SOFT_ERROR << 16;
3869 scmd->result = (DID_OK << 16) | scsi_status;
3872 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
3873 scmd->result = (DID_OK << 16) | scsi_status;
3875 if ((scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID))
3878 if (xfer_cnt < scmd->underflow) {
3879 if (scsi_status == SAM_STAT_BUSY)
3880 scmd->result = SAM_STAT_BUSY;
3882 scmd->result = DID_SOFT_ERROR << 16;
3883 } else if (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
3884 MPI2_SCSI_STATE_NO_SCSI_STATUS))
3885 scmd->result = DID_SOFT_ERROR << 16;
3886 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
3887 scmd->result = DID_RESET << 16;
3888 else if (!xfer_cnt && scmd->cmnd[0] == REPORT_LUNS) {
3889 mpi_reply->SCSIState = MPI2_SCSI_STATE_AUTOSENSE_VALID;
3890 mpi_reply->SCSIStatus = SAM_STAT_CHECK_CONDITION;
3891 scmd->result = (DRIVER_SENSE << 24) |
3892 SAM_STAT_CHECK_CONDITION;
3893 scmd->sense_buffer[0] = 0x70;
3894 scmd->sense_buffer[2] = ILLEGAL_REQUEST;
3895 scmd->sense_buffer[12] = 0x20;
3896 scmd->sense_buffer[13] = 0;
3900 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
3901 scsi_set_resid(scmd, 0);
3902 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
3903 case MPI2_IOCSTATUS_SUCCESS:
3904 scmd->result = (DID_OK << 16) | scsi_status;
3905 if (response_code ==
3906 MPI2_SCSITASKMGMT_RSP_INVALID_FRAME ||
3907 (scsi_state & (MPI2_SCSI_STATE_AUTOSENSE_FAILED |
3908 MPI2_SCSI_STATE_NO_SCSI_STATUS)))
3909 scmd->result = DID_SOFT_ERROR << 16;
3910 else if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
3911 scmd->result = DID_RESET << 16;
3914 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
3915 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
3916 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
3917 _scsih_eedp_error_handling(scmd, ioc_status);
3919 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
3920 case MPI2_IOCSTATUS_INVALID_FUNCTION:
3921 case MPI2_IOCSTATUS_INVALID_SGL:
3922 case MPI2_IOCSTATUS_INTERNAL_ERROR:
3923 case MPI2_IOCSTATUS_INVALID_FIELD:
3924 case MPI2_IOCSTATUS_INVALID_STATE:
3925 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
3926 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
3928 scmd->result = DID_SOFT_ERROR << 16;
3933 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
3934 if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY))
3935 _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid);
3939 scsi_dma_unmap(scmd);
3940 scmd->scsi_done(scmd);
3945 * _scsih_sas_host_refresh - refreshing sas host object contents
3946 * @ioc: per adapter object
3949 * During port enable, fw will send topology events for every device. Its
3950 * possible that the handles may change from the previous setting, so this
3951 * code keeping handles updating if changed.
3956 _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc)
3961 Mpi2ConfigReply_t mpi_reply;
3962 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
3963 u16 attached_handle;
3965 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
3966 "updating handles for sas_host(0x%016llx)\n",
3967 ioc->name, (unsigned long long)ioc->sas_hba.sas_address));
3969 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys
3970 * sizeof(Mpi2SasIOUnit0PhyData_t));
3971 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
3972 if (!sas_iounit_pg0) {
3973 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
3974 ioc->name, __FILE__, __LINE__, __func__);
3978 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
3979 sas_iounit_pg0, sz)) != 0)
3981 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
3982 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
3984 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
3986 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
3987 PhyData[0].ControllerDevHandle);
3988 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
3989 attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i].
3991 mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address,
3992 attached_handle, i, sas_iounit_pg0->PhyData[i].
3993 NegotiatedLinkRate >> 4);
3996 kfree(sas_iounit_pg0);
4000 * _scsih_sas_host_add - create sas host object
4001 * @ioc: per adapter object
4003 * Creating host side data object, stored in ioc->sas_hba
4008 _scsih_sas_host_add(struct MPT2SAS_ADAPTER *ioc)
4011 Mpi2ConfigReply_t mpi_reply;
4012 Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
4013 Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
4014 Mpi2SasPhyPage0_t phy_pg0;
4015 Mpi2SasDevicePage0_t sas_device_pg0;
4016 Mpi2SasEnclosurePage0_t enclosure_pg0;
4019 u16 device_missing_delay;
4021 mpt2sas_config_get_number_hba_phys(ioc, &ioc->sas_hba.num_phys);
4022 if (!ioc->sas_hba.num_phys) {
4023 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4024 ioc->name, __FILE__, __LINE__, __func__);
4028 /* sas_iounit page 0 */
4029 sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
4030 sizeof(Mpi2SasIOUnit0PhyData_t));
4031 sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
4032 if (!sas_iounit_pg0) {
4033 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4034 ioc->name, __FILE__, __LINE__, __func__);
4037 if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
4038 sas_iounit_pg0, sz))) {
4039 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4040 ioc->name, __FILE__, __LINE__, __func__);
4043 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4044 MPI2_IOCSTATUS_MASK;
4045 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4046 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4047 ioc->name, __FILE__, __LINE__, __func__);
4051 /* sas_iounit page 1 */
4052 sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
4053 sizeof(Mpi2SasIOUnit1PhyData_t));
4054 sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
4055 if (!sas_iounit_pg1) {
4056 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4057 ioc->name, __FILE__, __LINE__, __func__);
4060 if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
4061 sas_iounit_pg1, sz))) {
4062 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4063 ioc->name, __FILE__, __LINE__, __func__);
4066 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4067 MPI2_IOCSTATUS_MASK;
4068 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4069 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4070 ioc->name, __FILE__, __LINE__, __func__);
4074 ioc->io_missing_delay =
4075 le16_to_cpu(sas_iounit_pg1->IODeviceMissingDelay);
4076 device_missing_delay =
4077 le16_to_cpu(sas_iounit_pg1->ReportDeviceMissingDelay);
4078 if (device_missing_delay & MPI2_SASIOUNIT1_REPORT_MISSING_UNIT_16)
4079 ioc->device_missing_delay = (device_missing_delay &
4080 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK) * 16;
4082 ioc->device_missing_delay = device_missing_delay &
4083 MPI2_SASIOUNIT1_REPORT_MISSING_TIMEOUT_MASK;
4085 ioc->sas_hba.parent_dev = &ioc->shost->shost_gendev;
4086 ioc->sas_hba.phy = kcalloc(ioc->sas_hba.num_phys,
4087 sizeof(struct _sas_phy), GFP_KERNEL);
4088 if (!ioc->sas_hba.phy) {
4089 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4090 ioc->name, __FILE__, __LINE__, __func__);
4093 for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
4094 if ((mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
4096 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4097 ioc->name, __FILE__, __LINE__, __func__);
4100 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4101 MPI2_IOCSTATUS_MASK;
4102 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4103 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4104 ioc->name, __FILE__, __LINE__, __func__);
4109 ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0->
4110 PhyData[0].ControllerDevHandle);
4111 ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle;
4112 ioc->sas_hba.phy[i].phy_id = i;
4113 mpt2sas_transport_add_host_phy(ioc, &ioc->sas_hba.phy[i],
4114 phy_pg0, ioc->sas_hba.parent_dev);
4116 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
4117 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, ioc->sas_hba.handle))) {
4118 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4119 ioc->name, __FILE__, __LINE__, __func__);
4122 ioc->sas_hba.enclosure_handle =
4123 le16_to_cpu(sas_device_pg0.EnclosureHandle);
4124 ioc->sas_hba.sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
4125 printk(MPT2SAS_INFO_FMT "host_add: handle(0x%04x), "
4126 "sas_addr(0x%016llx), phys(%d)\n", ioc->name, ioc->sas_hba.handle,
4127 (unsigned long long) ioc->sas_hba.sas_address,
4128 ioc->sas_hba.num_phys) ;
4130 if (ioc->sas_hba.enclosure_handle) {
4131 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
4133 MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
4134 ioc->sas_hba.enclosure_handle))) {
4135 ioc->sas_hba.enclosure_logical_id =
4136 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
4141 kfree(sas_iounit_pg1);
4142 kfree(sas_iounit_pg0);
4146 * _scsih_expander_add - creating expander object
4147 * @ioc: per adapter object
4148 * @handle: expander handle
4150 * Creating expander object, stored in ioc->sas_expander_list.
4152 * Return 0 for success, else error.
4155 _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4157 struct _sas_node *sas_expander;
4158 Mpi2ConfigReply_t mpi_reply;
4159 Mpi2ExpanderPage0_t expander_pg0;
4160 Mpi2ExpanderPage1_t expander_pg1;
4161 Mpi2SasEnclosurePage0_t enclosure_pg0;
4164 __le64 sas_address, sas_address_parent = 0;
4166 unsigned long flags;
4167 struct _sas_port *mpt2sas_port = NULL;
4173 if (ioc->shost_recovery || ioc->pci_error_recovery)
4176 if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
4177 MPI2_SAS_EXPAND_PGAD_FORM_HNDL, handle))) {
4178 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4179 ioc->name, __FILE__, __LINE__, __func__);
4183 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4184 MPI2_IOCSTATUS_MASK;
4185 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4186 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4187 ioc->name, __FILE__, __LINE__, __func__);
4191 /* handle out of order topology events */
4192 parent_handle = le16_to_cpu(expander_pg0.ParentDevHandle);
4193 if (_scsih_get_sas_address(ioc, parent_handle, &sas_address_parent)
4195 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4196 ioc->name, __FILE__, __LINE__, __func__);
4199 if (sas_address_parent != ioc->sas_hba.sas_address) {
4200 spin_lock_irqsave(&ioc->sas_node_lock, flags);
4201 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
4202 sas_address_parent);
4203 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
4204 if (!sas_expander) {
4205 rc = _scsih_expander_add(ioc, parent_handle);
4211 spin_lock_irqsave(&ioc->sas_node_lock, flags);
4212 sas_address = le64_to_cpu(expander_pg0.SASAddress);
4213 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
4215 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
4220 sas_expander = kzalloc(sizeof(struct _sas_node),
4222 if (!sas_expander) {
4223 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4224 ioc->name, __FILE__, __LINE__, __func__);
4228 sas_expander->handle = handle;
4229 sas_expander->num_phys = expander_pg0.NumPhys;
4230 sas_expander->sas_address_parent = sas_address_parent;
4231 sas_expander->sas_address = sas_address;
4233 printk(MPT2SAS_INFO_FMT "expander_add: handle(0x%04x),"
4234 " parent(0x%04x), sas_addr(0x%016llx), phys(%d)\n", ioc->name,
4235 handle, parent_handle, (unsigned long long)
4236 sas_expander->sas_address, sas_expander->num_phys);
4238 if (!sas_expander->num_phys)
4240 sas_expander->phy = kcalloc(sas_expander->num_phys,
4241 sizeof(struct _sas_phy), GFP_KERNEL);
4242 if (!sas_expander->phy) {
4243 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4244 ioc->name, __FILE__, __LINE__, __func__);
4249 INIT_LIST_HEAD(&sas_expander->sas_port_list);
4250 mpt2sas_port = mpt2sas_transport_port_add(ioc, handle,
4251 sas_address_parent);
4252 if (!mpt2sas_port) {
4253 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4254 ioc->name, __FILE__, __LINE__, __func__);
4258 sas_expander->parent_dev = &mpt2sas_port->rphy->dev;
4260 for (i = 0 ; i < sas_expander->num_phys ; i++) {
4261 if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply,
4262 &expander_pg1, i, handle))) {
4263 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4264 ioc->name, __FILE__, __LINE__, __func__);
4268 sas_expander->phy[i].handle = handle;
4269 sas_expander->phy[i].phy_id = i;
4271 if ((mpt2sas_transport_add_expander_phy(ioc,
4272 &sas_expander->phy[i], expander_pg1,
4273 sas_expander->parent_dev))) {
4274 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4275 ioc->name, __FILE__, __LINE__, __func__);
4281 if (sas_expander->enclosure_handle) {
4282 if (!(mpt2sas_config_get_enclosure_pg0(ioc, &mpi_reply,
4283 &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
4284 sas_expander->enclosure_handle))) {
4285 sas_expander->enclosure_logical_id =
4286 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
4290 _scsih_expander_node_add(ioc, sas_expander);
4296 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
4297 sas_address_parent);
4298 kfree(sas_expander);
4303 * _scsih_done - scsih callback handler.
4304 * @ioc: per adapter object
4305 * @smid: system request message index
4306 * @msix_index: MSIX table index supplied by the OS
4307 * @reply: reply message frame(lower 32bit addr)
4309 * Callback handler when sending internal generated message frames.
4310 * The callback index passed is `ioc->scsih_cb_idx`
4312 * Return 1 meaning mf should be freed from _base_interrupt
4313 * 0 means the mf is freed from this function.
4316 _scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply)
4318 MPI2DefaultReply_t *mpi_reply;
4320 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
4321 if (ioc->scsih_cmds.status == MPT2_CMD_NOT_USED)
4323 if (ioc->scsih_cmds.smid != smid)
4325 ioc->scsih_cmds.status |= MPT2_CMD_COMPLETE;
4327 memcpy(ioc->scsih_cmds.reply, mpi_reply,
4328 mpi_reply->MsgLength*4);
4329 ioc->scsih_cmds.status |= MPT2_CMD_REPLY_VALID;
4331 ioc->scsih_cmds.status &= ~MPT2_CMD_PENDING;
4332 complete(&ioc->scsih_cmds.done);
4337 * _scsih_expander_remove - removing expander object
4338 * @ioc: per adapter object
4339 * @sas_address: expander sas_address
4344 _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address)
4346 struct _sas_node *sas_expander;
4347 unsigned long flags;
4349 if (ioc->shost_recovery)
4352 spin_lock_irqsave(&ioc->sas_node_lock, flags);
4353 sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc,
4355 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
4356 _scsih_expander_node_remove(ioc, sas_expander);
4360 * _scsih_check_access_status - check access flags
4361 * @ioc: per adapter object
4362 * @sas_address: sas address
4363 * @handle: sas device handle
4364 * @access_flags: errors returned during discovery of the device
4366 * Return 0 for success, else failure
4369 _scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
4370 u16 handle, u8 access_status)
4375 switch (access_status) {
4376 case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS:
4377 case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION:
4380 case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED:
4381 desc = "sata capability failed";
4383 case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT:
4384 desc = "sata affiliation conflict";
4386 case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE:
4387 desc = "route not addressable";
4389 case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE:
4390 desc = "smp error not addressable";
4392 case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED:
4393 desc = "device blocked";
4395 case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED:
4396 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN:
4397 case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT:
4398 case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG:
4399 case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION:
4400 case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER:
4401 case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN:
4402 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN:
4403 case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN:
4404 case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION:
4405 case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE:
4406 case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX:
4407 desc = "sata initialization failed";
4417 printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), "
4418 "handle(0x%04x)\n", ioc->name, desc,
4419 (unsigned long long)sas_address, handle);
4424 _scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle)
4426 Mpi2ConfigReply_t mpi_reply;
4427 Mpi2SasDevicePage0_t sas_device_pg0;
4428 struct _sas_device *sas_device;
4430 unsigned long flags;
4432 struct scsi_target *starget;
4433 struct MPT2SAS_TARGET *sas_target_priv_data;
4436 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
4437 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle)))
4440 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
4441 if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
4444 /* check if this is end device */
4445 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
4446 if (!(_scsih_is_end_device(device_info)))
4449 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4450 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
4451 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
4455 printk(MPT2SAS_ERR_FMT "device is not present "
4456 "handle(0x%04x), no sas_device!!!\n", ioc->name, handle);
4457 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4461 if (unlikely(sas_device->handle != handle)) {
4462 starget = sas_device->starget;
4463 sas_target_priv_data = starget->hostdata;
4464 starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)"
4465 " to (0x%04x)!!!\n", sas_device->handle, handle);
4466 sas_target_priv_data->handle = handle;
4467 sas_device->handle = handle;
4469 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4471 /* check if device is present */
4472 if (!(le16_to_cpu(sas_device_pg0.Flags) &
4473 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
4474 printk(MPT2SAS_ERR_FMT "device is not present "
4475 "handle(0x%04x), flags!!!\n", ioc->name, handle);
4479 /* check if there were any issues with discovery */
4480 if (_scsih_check_access_status(ioc, sas_address, handle,
4481 sas_device_pg0.AccessStatus))
4483 _scsih_ublock_io_device(ioc, handle);
4488 * _scsih_add_device - creating sas device object
4489 * @ioc: per adapter object
4490 * @handle: sas device handle
4491 * @phy_num: phy number end device attached to
4492 * @is_pd: is this hidden raid component
4494 * Creating end device object, stored in ioc->sas_device_list.
4496 * Returns 0 for success, non-zero for failure.
4499 _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd)
4501 Mpi2ConfigReply_t mpi_reply;
4502 Mpi2SasDevicePage0_t sas_device_pg0;
4503 Mpi2SasEnclosurePage0_t enclosure_pg0;
4504 struct _sas_device *sas_device;
4508 unsigned long flags;
4510 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
4511 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
4512 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4513 ioc->name, __FILE__, __LINE__, __func__);
4517 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
4518 MPI2_IOCSTATUS_MASK;
4519 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
4520 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4521 ioc->name, __FILE__, __LINE__, __func__);
4525 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
4527 /* check if device is present */
4528 if (!(le16_to_cpu(sas_device_pg0.Flags) &
4529 MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) {
4530 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4531 ioc->name, __FILE__, __LINE__, __func__);
4532 printk(MPT2SAS_ERR_FMT "Flags = 0x%04x\n",
4533 ioc->name, le16_to_cpu(sas_device_pg0.Flags));
4537 /* check if there were any issues with discovery */
4538 if (_scsih_check_access_status(ioc, sas_address, handle,
4539 sas_device_pg0.AccessStatus))
4542 /* check if this is end device */
4543 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
4544 if (!(_scsih_is_end_device(device_info))) {
4545 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4546 ioc->name, __FILE__, __LINE__, __func__);
4551 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4552 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
4554 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4559 sas_device = kzalloc(sizeof(struct _sas_device),
4562 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4563 ioc->name, __FILE__, __LINE__, __func__);
4567 sas_device->handle = handle;
4568 if (_scsih_get_sas_address(ioc, le16_to_cpu
4569 (sas_device_pg0.ParentDevHandle),
4570 &sas_device->sas_address_parent) != 0)
4571 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
4572 ioc->name, __FILE__, __LINE__, __func__);
4573 sas_device->enclosure_handle =
4574 le16_to_cpu(sas_device_pg0.EnclosureHandle);
4576 le16_to_cpu(sas_device_pg0.Slot);
4577 sas_device->device_info = device_info;
4578 sas_device->sas_address = sas_address;
4579 sas_device->phy = sas_device_pg0.PhyNum;
4581 /* get enclosure_logical_id */
4582 if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0(
4583 ioc, &mpi_reply, &enclosure_pg0, MPI2_SAS_ENCLOS_PGAD_FORM_HANDLE,
4584 sas_device->enclosure_handle)))
4585 sas_device->enclosure_logical_id =
4586 le64_to_cpu(enclosure_pg0.EnclosureLogicalID);
4588 /* get device name */
4589 sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName);
4591 if (ioc->wait_for_port_enable_to_complete)
4592 _scsih_sas_device_init_add(ioc, sas_device);
4594 _scsih_sas_device_add(ioc, sas_device);
4600 * _scsih_remove_device - removing sas device object
4601 * @ioc: per adapter object
4602 * @sas_device_delete: the sas_device object
4607 _scsih_remove_device(struct MPT2SAS_ADAPTER *ioc,
4608 struct _sas_device *sas_device)
4610 struct _sas_device sas_device_backup;
4611 struct MPT2SAS_TARGET *sas_target_priv_data;
4616 memcpy(&sas_device_backup, sas_device, sizeof(struct _sas_device));
4617 _scsih_sas_device_remove(ioc, sas_device);
4619 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: "
4620 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
4621 sas_device_backup.handle, (unsigned long long)
4622 sas_device_backup.sas_address));
4624 if (sas_device_backup.starget && sas_device_backup.starget->hostdata) {
4625 sas_target_priv_data = sas_device_backup.starget->hostdata;
4626 sas_target_priv_data->deleted = 1;
4629 _scsih_ublock_io_device(ioc, sas_device_backup.handle);
4631 mpt2sas_transport_port_remove(ioc, sas_device_backup.sas_address,
4632 sas_device_backup.sas_address_parent);
4634 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr"
4635 "(0x%016llx)\n", ioc->name, sas_device_backup.handle,
4636 (unsigned long long) sas_device_backup.sas_address);
4638 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: "
4639 "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__,
4640 sas_device_backup.handle, (unsigned long long)
4641 sas_device_backup.sas_address));
4644 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4646 * _scsih_sas_topology_change_event_debug - debug for topology event
4647 * @ioc: per adapter object
4648 * @event_data: event data payload
4652 _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4653 Mpi2EventDataSasTopologyChangeList_t *event_data)
4659 char *status_str = NULL;
4660 u8 link_rate, prev_link_rate;
4662 switch (event_data->ExpStatus) {
4663 case MPI2_EVENT_SAS_TOPO_ES_ADDED:
4666 case MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING:
4667 status_str = "remove";
4669 case MPI2_EVENT_SAS_TOPO_ES_RESPONDING:
4671 status_str = "responding";
4673 case MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING:
4674 status_str = "remove delay";
4677 status_str = "unknown status";
4680 printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n",
4681 ioc->name, status_str);
4682 printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) "
4683 "start_phy(%02d), count(%d)\n",
4684 le16_to_cpu(event_data->ExpanderDevHandle),
4685 le16_to_cpu(event_data->EnclosureHandle),
4686 event_data->StartPhyNum, event_data->NumEntries);
4687 for (i = 0; i < event_data->NumEntries; i++) {
4688 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
4691 phy_number = event_data->StartPhyNum + i;
4692 reason_code = event_data->PHY[i].PhyStatus &
4693 MPI2_EVENT_SAS_TOPO_RC_MASK;
4694 switch (reason_code) {
4695 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
4696 status_str = "target add";
4698 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
4699 status_str = "target remove";
4701 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
4702 status_str = "delay target remove";
4704 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
4705 status_str = "link rate change";
4707 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
4708 status_str = "target responding";
4711 status_str = "unknown";
4714 link_rate = event_data->PHY[i].LinkRate >> 4;
4715 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
4716 printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:"
4717 " link rate: new(0x%02x), old(0x%02x)\n", phy_number,
4718 handle, status_str, link_rate, prev_link_rate);
4725 * _scsih_sas_topology_change_event - handle topology changes
4726 * @ioc: per adapter object
4727 * @fw_event: The fw_event_work object
4732 _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc,
4733 struct fw_event_work *fw_event)
4736 u16 parent_handle, handle;
4739 struct _sas_node *sas_expander;
4740 struct _sas_device *sas_device;
4742 unsigned long flags;
4743 u8 link_rate, prev_link_rate;
4744 Mpi2EventDataSasTopologyChangeList_t *event_data = fw_event->event_data;
4746 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4747 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4748 _scsih_sas_topology_change_event_debug(ioc, event_data);
4751 if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery)
4754 if (!ioc->sas_hba.num_phys)
4755 _scsih_sas_host_add(ioc);
4757 _scsih_sas_host_refresh(ioc);
4759 if (fw_event->ignore) {
4760 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander "
4761 "event\n", ioc->name));
4765 parent_handle = le16_to_cpu(event_data->ExpanderDevHandle);
4767 /* handle expander add */
4768 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED)
4769 if (_scsih_expander_add(ioc, parent_handle) != 0)
4772 spin_lock_irqsave(&ioc->sas_node_lock, flags);
4773 sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc,
4775 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
4777 sas_address = sas_expander->sas_address;
4778 else if (parent_handle < ioc->sas_hba.num_phys)
4779 sas_address = ioc->sas_hba.sas_address;
4783 /* handle siblings events */
4784 for (i = 0; i < event_data->NumEntries; i++) {
4785 if (fw_event->ignore) {
4786 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring "
4787 "expander event\n", ioc->name));
4790 if (ioc->shost_recovery || ioc->remove_host ||
4791 ioc->pci_error_recovery)
4793 phy_number = event_data->StartPhyNum + i;
4794 reason_code = event_data->PHY[i].PhyStatus &
4795 MPI2_EVENT_SAS_TOPO_RC_MASK;
4796 if ((event_data->PHY[i].PhyStatus &
4797 MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) && (reason_code !=
4798 MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING))
4800 handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle);
4803 link_rate = event_data->PHY[i].LinkRate >> 4;
4804 prev_link_rate = event_data->PHY[i].LinkRate & 0xF;
4805 switch (reason_code) {
4806 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
4808 if (link_rate == prev_link_rate)
4811 mpt2sas_transport_update_links(ioc, sas_address,
4812 handle, phy_number, link_rate);
4814 if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5)
4817 _scsih_check_device(ioc, handle);
4819 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
4821 mpt2sas_transport_update_links(ioc, sas_address,
4822 handle, phy_number, link_rate);
4824 _scsih_add_device(ioc, handle, phy_number, 0);
4826 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
4828 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4829 sas_device = _scsih_sas_device_find_by_handle(ioc,
4832 spin_unlock_irqrestore(&ioc->sas_device_lock,
4836 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4837 _scsih_remove_device(ioc, sas_device);
4842 /* handle expander removal */
4843 if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING &&
4845 _scsih_expander_remove(ioc, sas_address);
4849 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4851 * _scsih_sas_device_status_change_event_debug - debug for device event
4852 * @event_data: event data payload
4858 _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4859 Mpi2EventDataSasDeviceStatusChange_t *event_data)
4861 char *reason_str = NULL;
4863 switch (event_data->ReasonCode) {
4864 case MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA:
4865 reason_str = "smart data";
4867 case MPI2_EVENT_SAS_DEV_STAT_RC_UNSUPPORTED:
4868 reason_str = "unsupported device discovered";
4870 case MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET:
4871 reason_str = "internal device reset";
4873 case MPI2_EVENT_SAS_DEV_STAT_RC_TASK_ABORT_INTERNAL:
4874 reason_str = "internal task abort";
4876 case MPI2_EVENT_SAS_DEV_STAT_RC_ABORT_TASK_SET_INTERNAL:
4877 reason_str = "internal task abort set";
4879 case MPI2_EVENT_SAS_DEV_STAT_RC_CLEAR_TASK_SET_INTERNAL:
4880 reason_str = "internal clear task set";
4882 case MPI2_EVENT_SAS_DEV_STAT_RC_QUERY_TASK_INTERNAL:
4883 reason_str = "internal query task";
4885 case MPI2_EVENT_SAS_DEV_STAT_RC_SATA_INIT_FAILURE:
4886 reason_str = "sata init failure";
4888 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET:
4889 reason_str = "internal device reset complete";
4891 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_TASK_ABORT_INTERNAL:
4892 reason_str = "internal task abort complete";
4894 case MPI2_EVENT_SAS_DEV_STAT_RC_ASYNC_NOTIFICATION:
4895 reason_str = "internal async notification";
4897 case MPI2_EVENT_SAS_DEV_STAT_RC_EXPANDER_REDUCED_FUNCTIONALITY:
4898 reason_str = "expander reduced functionality";
4900 case MPI2_EVENT_SAS_DEV_STAT_RC_CMP_EXPANDER_REDUCED_FUNCTIONALITY:
4901 reason_str = "expander reduced functionality complete";
4904 reason_str = "unknown reason";
4907 printk(MPT2SAS_INFO_FMT "device status change: (%s)\n"
4908 "\thandle(0x%04x), sas address(0x%016llx)", ioc->name,
4909 reason_str, le16_to_cpu(event_data->DevHandle),
4910 (unsigned long long)le64_to_cpu(event_data->SASAddress));
4911 if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA)
4912 printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name,
4913 event_data->ASC, event_data->ASCQ);
4914 printk(KERN_INFO "\n");
4919 * _scsih_sas_device_status_change_event - handle device status change
4920 * @ioc: per adapter object
4921 * @fw_event: The fw_event_work object
4927 _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc,
4928 struct fw_event_work *fw_event)
4930 struct MPT2SAS_TARGET *target_priv_data;
4931 struct _sas_device *sas_device;
4933 unsigned long flags;
4934 Mpi2EventDataSasDeviceStatusChange_t *event_data =
4935 fw_event->event_data;
4937 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4938 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
4939 _scsih_sas_device_status_change_event_debug(ioc,
4943 if (event_data->ReasonCode !=
4944 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET &&
4945 event_data->ReasonCode !=
4946 MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)
4949 spin_lock_irqsave(&ioc->sas_device_lock, flags);
4950 sas_address = le64_to_cpu(event_data->SASAddress);
4951 sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
4953 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
4955 if (!sas_device || !sas_device->starget)
4958 target_priv_data = sas_device->starget->hostdata;
4959 if (!target_priv_data)
4962 if (event_data->ReasonCode ==
4963 MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET)
4964 target_priv_data->tm_busy = 1;
4966 target_priv_data->tm_busy = 0;
4969 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
4971 * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure event
4972 * @ioc: per adapter object
4973 * @event_data: event data payload
4979 _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
4980 Mpi2EventDataSasEnclDevStatusChange_t *event_data)
4982 char *reason_str = NULL;
4984 switch (event_data->ReasonCode) {
4985 case MPI2_EVENT_SAS_ENCL_RC_ADDED:
4986 reason_str = "enclosure add";
4988 case MPI2_EVENT_SAS_ENCL_RC_NOT_RESPONDING:
4989 reason_str = "enclosure remove";
4992 reason_str = "unknown reason";
4996 printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n"
4997 "\thandle(0x%04x), enclosure logical id(0x%016llx)"
4998 " number slots(%d)\n", ioc->name, reason_str,
4999 le16_to_cpu(event_data->EnclosureHandle),
5000 (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID),
5001 le16_to_cpu(event_data->StartSlot));
5006 * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events
5007 * @ioc: per adapter object
5008 * @fw_event: The fw_event_work object
5014 _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc,
5015 struct fw_event_work *fw_event)
5017 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5018 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5019 _scsih_sas_enclosure_dev_status_change_event_debug(ioc,
5020 fw_event->event_data);
5025 * _scsih_sas_broadcast_primative_event - handle broadcast events
5026 * @ioc: per adapter object
5027 * @fw_event: The fw_event_work object
5033 _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc,
5034 struct fw_event_work *fw_event)
5036 struct scsi_cmnd *scmd;
5039 struct MPT2SAS_DEVICE *sas_device_priv_data;
5040 u32 termination_count;
5042 Mpi2SCSITaskManagementReply_t *mpi_reply;
5043 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5044 Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data;
5047 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "broadcast primative: "
5048 "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum,
5049 event_data->PortWidth));
5050 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
5053 termination_count = 0;
5055 mpi_reply = ioc->tm_cmds.reply;
5056 for (smid = 1; smid <= ioc->scsiio_depth; smid++) {
5057 scmd = _scsih_scsi_lookup_get(ioc, smid);
5060 sas_device_priv_data = scmd->device->hostdata;
5061 if (!sas_device_priv_data || !sas_device_priv_data->sas_target)
5063 /* skip hidden raid components */
5064 if (sas_device_priv_data->sas_target->flags &
5065 MPT_TARGET_FLAGS_RAID_COMPONENT)
5068 if (sas_device_priv_data->sas_target->flags &
5069 MPT_TARGET_FLAGS_VOLUME)
5072 handle = sas_device_priv_data->sas_target->handle;
5073 lun = sas_device_priv_data->lun;
5076 mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
5077 MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, NULL);
5078 ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
5079 ioc_status = le16_to_cpu(mpi_reply->IOCStatus)
5080 & MPI2_IOCSTATUS_MASK;
5081 if ((ioc_status == MPI2_IOCSTATUS_SUCCESS) &&
5082 (mpi_reply->ResponseCode ==
5083 MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED ||
5084 mpi_reply->ResponseCode ==
5085 MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC))
5088 mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun,
5089 MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30, NULL);
5090 termination_count += le32_to_cpu(mpi_reply->TerminationCount);
5092 ioc->broadcast_aen_busy = 0;
5094 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT
5095 "%s - exit, query_count = %d termination_count = %d\n",
5096 ioc->name, __func__, query_count, termination_count));
5100 * _scsih_sas_discovery_event - handle discovery events
5101 * @ioc: per adapter object
5102 * @fw_event: The fw_event_work object
5108 _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc,
5109 struct fw_event_work *fw_event)
5111 Mpi2EventDataSasDiscovery_t *event_data = fw_event->event_data;
5113 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5114 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) {
5115 printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name,
5116 (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ?
5118 if (event_data->DiscoveryStatus)
5119 printk("discovery_status(0x%08x)",
5120 le32_to_cpu(event_data->DiscoveryStatus));
5125 if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED &&
5126 !ioc->sas_hba.num_phys)
5127 _scsih_sas_host_add(ioc);
5131 * _scsih_reprobe_lun - reprobing lun
5132 * @sdev: scsi device struct
5133 * @no_uld_attach: sdev->no_uld_attach flag setting
5137 _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach)
5141 sdev->no_uld_attach = no_uld_attach ? 1 : 0;
5142 sdev_printk(KERN_INFO, sdev, "%s raid component\n",
5143 sdev->no_uld_attach ? "hidding" : "exposing");
5144 rc = scsi_device_reprobe(sdev);
5148 * _scsih_reprobe_target - reprobing target
5149 * @starget: scsi target struct
5150 * @no_uld_attach: sdev->no_uld_attach flag setting
5152 * Note: no_uld_attach flag determines whether the disk device is attached
5153 * to block layer. A value of `1` means to not attach.
5156 _scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach)
5158 struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata;
5161 sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
5163 sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
5165 starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL,
5166 _scsih_reprobe_lun);
5169 * _scsih_sas_volume_add - add new volume
5170 * @ioc: per adapter object
5171 * @element: IR config element data
5177 _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc,
5178 Mpi2EventIrConfigElement_t *element)
5180 struct _raid_device *raid_device;
5181 unsigned long flags;
5183 u16 handle = le16_to_cpu(element->VolDevHandle);
5186 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
5188 printk(MPT2SAS_ERR_FMT
5189 "failure at %s:%d/%s()!\n", ioc->name,
5190 __FILE__, __LINE__, __func__);
5194 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5195 raid_device = _scsih_raid_device_find_by_wwid(ioc, wwid);
5196 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
5201 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
5203 printk(MPT2SAS_ERR_FMT
5204 "failure at %s:%d/%s()!\n", ioc->name,
5205 __FILE__, __LINE__, __func__);
5209 raid_device->id = ioc->sas_id++;
5210 raid_device->channel = RAID_CHANNEL;
5211 raid_device->handle = handle;
5212 raid_device->wwid = wwid;
5213 _scsih_raid_device_add(ioc, raid_device);
5214 if (!ioc->wait_for_port_enable_to_complete) {
5215 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
5216 raid_device->id, 0);
5218 _scsih_raid_device_remove(ioc, raid_device);
5220 _scsih_determine_boot_device(ioc, raid_device, 1);
5224 * _scsih_sas_volume_delete - delete volume
5225 * @ioc: per adapter object
5226 * @handle: volume device handle
5232 _scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle)
5234 struct _raid_device *raid_device;
5235 unsigned long flags;
5236 struct MPT2SAS_TARGET *sas_target_priv_data;
5238 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5239 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
5240 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
5243 if (raid_device->starget) {
5244 sas_target_priv_data = raid_device->starget->hostdata;
5245 sas_target_priv_data->deleted = 1;
5246 scsi_remove_target(&raid_device->starget->dev);
5248 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
5249 "(0x%016llx)\n", ioc->name, raid_device->handle,
5250 (unsigned long long) raid_device->wwid);
5251 _scsih_raid_device_remove(ioc, raid_device);
5255 * _scsih_sas_pd_expose - expose pd component to /dev/sdX
5256 * @ioc: per adapter object
5257 * @element: IR config element data
5263 _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc,
5264 Mpi2EventIrConfigElement_t *element)
5266 struct _sas_device *sas_device;
5267 unsigned long flags;
5268 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
5270 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5271 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
5272 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5276 /* exposing raid component */
5277 sas_device->volume_handle = 0;
5278 sas_device->volume_wwid = 0;
5279 clear_bit(handle, ioc->pd_handles);
5280 _scsih_reprobe_target(sas_device->starget, 0);
5284 * _scsih_sas_pd_hide - hide pd component from /dev/sdX
5285 * @ioc: per adapter object
5286 * @element: IR config element data
5292 _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc,
5293 Mpi2EventIrConfigElement_t *element)
5295 struct _sas_device *sas_device;
5296 unsigned long flags;
5297 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
5299 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5300 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
5301 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5305 /* hiding raid component */
5306 mpt2sas_config_get_volume_handle(ioc, handle,
5307 &sas_device->volume_handle);
5308 mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle,
5309 &sas_device->volume_wwid);
5310 set_bit(handle, ioc->pd_handles);
5311 _scsih_reprobe_target(sas_device->starget, 1);
5315 * _scsih_sas_pd_delete - delete pd component
5316 * @ioc: per adapter object
5317 * @element: IR config element data
5323 _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc,
5324 Mpi2EventIrConfigElement_t *element)
5326 struct _sas_device *sas_device;
5327 unsigned long flags;
5328 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
5330 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5331 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
5332 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5335 _scsih_remove_device(ioc, sas_device);
5339 * _scsih_sas_pd_add - remove pd component
5340 * @ioc: per adapter object
5341 * @element: IR config element data
5347 _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc,
5348 Mpi2EventIrConfigElement_t *element)
5350 struct _sas_device *sas_device;
5351 unsigned long flags;
5352 u16 handle = le16_to_cpu(element->PhysDiskDevHandle);
5353 Mpi2ConfigReply_t mpi_reply;
5354 Mpi2SasDevicePage0_t sas_device_pg0;
5359 set_bit(handle, ioc->pd_handles);
5361 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5362 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
5363 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5367 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
5368 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
5369 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5370 ioc->name, __FILE__, __LINE__, __func__);
5374 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5375 MPI2_IOCSTATUS_MASK;
5376 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5377 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5378 ioc->name, __FILE__, __LINE__, __func__);
5382 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
5383 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
5384 mpt2sas_transport_update_links(ioc, sas_address, handle,
5385 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
5387 _scsih_add_device(ioc, handle, 0, 1);
5390 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5392 * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events
5393 * @ioc: per adapter object
5394 * @event_data: event data payload
5400 _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc,
5401 Mpi2EventDataIrConfigChangeList_t *event_data)
5403 Mpi2EventIrConfigElement_t *element;
5406 char *reason_str = NULL, *element_str = NULL;
5408 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
5410 printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n",
5411 ioc->name, (le32_to_cpu(event_data->Flags) &
5412 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ?
5413 "foreign" : "native", event_data->NumElements);
5414 for (i = 0; i < event_data->NumElements; i++, element++) {
5415 switch (element->ReasonCode) {
5416 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
5419 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
5420 reason_str = "remove";
5422 case MPI2_EVENT_IR_CHANGE_RC_NO_CHANGE:
5423 reason_str = "no change";
5425 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
5426 reason_str = "hide";
5428 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
5429 reason_str = "unhide";
5431 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
5432 reason_str = "volume_created";
5434 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
5435 reason_str = "volume_deleted";
5437 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
5438 reason_str = "pd_created";
5440 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
5441 reason_str = "pd_deleted";
5444 reason_str = "unknown reason";
5447 element_type = le16_to_cpu(element->ElementFlags) &
5448 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
5449 switch (element_type) {
5450 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLUME_ELEMENT:
5451 element_str = "volume";
5453 case MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT:
5454 element_str = "phys disk";
5456 case MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT:
5457 element_str = "hot spare";
5460 element_str = "unknown element";
5463 printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), "
5464 "pd handle(0x%04x), pd num(0x%02x)\n", element_str,
5465 reason_str, le16_to_cpu(element->VolDevHandle),
5466 le16_to_cpu(element->PhysDiskDevHandle),
5467 element->PhysDiskNum);
5473 * _scsih_sas_ir_config_change_event - handle ir configuration change events
5474 * @ioc: per adapter object
5475 * @fw_event: The fw_event_work object
5481 _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc,
5482 struct fw_event_work *fw_event)
5484 Mpi2EventIrConfigElement_t *element;
5487 Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data;
5489 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5490 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5491 _scsih_sas_ir_config_change_event_debug(ioc, event_data);
5494 foreign_config = (le32_to_cpu(event_data->Flags) &
5495 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
5497 element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
5498 for (i = 0; i < event_data->NumElements; i++, element++) {
5500 switch (element->ReasonCode) {
5501 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
5502 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
5503 if (!foreign_config)
5504 _scsih_sas_volume_add(ioc, element);
5506 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
5507 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
5508 if (!foreign_config)
5509 _scsih_sas_volume_delete(ioc,
5510 le16_to_cpu(element->VolDevHandle));
5512 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
5513 _scsih_sas_pd_hide(ioc, element);
5515 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
5516 _scsih_sas_pd_expose(ioc, element);
5518 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
5519 _scsih_sas_pd_add(ioc, element);
5521 case MPI2_EVENT_IR_CHANGE_RC_UNHIDE:
5522 _scsih_sas_pd_delete(ioc, element);
5529 * _scsih_sas_ir_volume_event - IR volume event
5530 * @ioc: per adapter object
5531 * @fw_event: The fw_event_work object
5537 _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc,
5538 struct fw_event_work *fw_event)
5541 unsigned long flags;
5542 struct _raid_device *raid_device;
5546 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
5548 if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED)
5551 handle = le16_to_cpu(event_data->VolDevHandle);
5552 state = le32_to_cpu(event_data->NewValue);
5553 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
5554 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
5555 le32_to_cpu(event_data->PreviousValue), state));
5558 case MPI2_RAID_VOL_STATE_MISSING:
5559 case MPI2_RAID_VOL_STATE_FAILED:
5560 _scsih_sas_volume_delete(ioc, handle);
5563 case MPI2_RAID_VOL_STATE_ONLINE:
5564 case MPI2_RAID_VOL_STATE_DEGRADED:
5565 case MPI2_RAID_VOL_STATE_OPTIMAL:
5567 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5568 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
5569 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
5574 mpt2sas_config_get_volume_wwid(ioc, handle, &wwid);
5576 printk(MPT2SAS_ERR_FMT
5577 "failure at %s:%d/%s()!\n", ioc->name,
5578 __FILE__, __LINE__, __func__);
5582 raid_device = kzalloc(sizeof(struct _raid_device), GFP_KERNEL);
5584 printk(MPT2SAS_ERR_FMT
5585 "failure at %s:%d/%s()!\n", ioc->name,
5586 __FILE__, __LINE__, __func__);
5590 raid_device->id = ioc->sas_id++;
5591 raid_device->channel = RAID_CHANNEL;
5592 raid_device->handle = handle;
5593 raid_device->wwid = wwid;
5594 _scsih_raid_device_add(ioc, raid_device);
5595 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
5596 raid_device->id, 0);
5598 _scsih_raid_device_remove(ioc, raid_device);
5601 case MPI2_RAID_VOL_STATE_INITIALIZING:
5608 * _scsih_sas_ir_physical_disk_event - PD event
5609 * @ioc: per adapter object
5610 * @fw_event: The fw_event_work object
5616 _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc,
5617 struct fw_event_work *fw_event)
5619 u16 handle, parent_handle;
5621 struct _sas_device *sas_device;
5622 unsigned long flags;
5623 Mpi2ConfigReply_t mpi_reply;
5624 Mpi2SasDevicePage0_t sas_device_pg0;
5626 Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data;
5629 if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED)
5632 handle = le16_to_cpu(event_data->PhysDiskDevHandle);
5633 state = le32_to_cpu(event_data->NewValue);
5635 dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), "
5636 "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle,
5637 le32_to_cpu(event_data->PreviousValue), state));
5640 case MPI2_RAID_PD_STATE_ONLINE:
5641 case MPI2_RAID_PD_STATE_DEGRADED:
5642 case MPI2_RAID_PD_STATE_REBUILDING:
5643 case MPI2_RAID_PD_STATE_OPTIMAL:
5644 case MPI2_RAID_PD_STATE_HOT_SPARE:
5646 set_bit(handle, ioc->pd_handles);
5648 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5649 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
5650 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5655 if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
5656 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
5658 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5659 ioc->name, __FILE__, __LINE__, __func__);
5663 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5664 MPI2_IOCSTATUS_MASK;
5665 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
5666 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
5667 ioc->name, __FILE__, __LINE__, __func__);
5671 parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle);
5672 if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address))
5673 mpt2sas_transport_update_links(ioc, sas_address, handle,
5674 sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5);
5676 _scsih_add_device(ioc, handle, 0, 1);
5680 case MPI2_RAID_PD_STATE_OFFLINE:
5681 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
5682 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
5688 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5690 * _scsih_sas_ir_operation_status_event_debug - debug for IR op event
5691 * @ioc: per adapter object
5692 * @event_data: event data payload
5698 _scsih_sas_ir_operation_status_event_debug(struct MPT2SAS_ADAPTER *ioc,
5699 Mpi2EventDataIrOperationStatus_t *event_data)
5701 char *reason_str = NULL;
5703 switch (event_data->RAIDOperation) {
5704 case MPI2_EVENT_IR_RAIDOP_RESYNC:
5705 reason_str = "resync";
5707 case MPI2_EVENT_IR_RAIDOP_ONLINE_CAP_EXPANSION:
5708 reason_str = "online capacity expansion";
5710 case MPI2_EVENT_IR_RAIDOP_CONSISTENCY_CHECK:
5711 reason_str = "consistency check";
5713 case MPI2_EVENT_IR_RAIDOP_BACKGROUND_INIT:
5714 reason_str = "background init";
5716 case MPI2_EVENT_IR_RAIDOP_MAKE_DATA_CONSISTENT:
5717 reason_str = "make data consistent";
5724 printk(MPT2SAS_INFO_FMT "raid operational status: (%s)"
5725 "\thandle(0x%04x), percent complete(%d)\n",
5726 ioc->name, reason_str,
5727 le16_to_cpu(event_data->VolDevHandle),
5728 event_data->PercentComplete);
5733 * _scsih_sas_ir_operation_status_event - handle RAID operation events
5734 * @ioc: per adapter object
5735 * @fw_event: The fw_event_work object
5741 _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc,
5742 struct fw_event_work *fw_event)
5744 Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data;
5745 static struct _raid_device *raid_device;
5746 unsigned long flags;
5749 #ifdef CONFIG_SCSI_MPT2SAS_LOGGING
5750 if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK)
5751 _scsih_sas_ir_operation_status_event_debug(ioc,
5755 /* code added for raid transport support */
5756 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) {
5758 handle = le16_to_cpu(event_data->VolDevHandle);
5760 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5761 raid_device = _scsih_raid_device_find_by_handle(ioc, handle);
5762 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
5767 if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC)
5768 raid_device->percent_complete =
5769 event_data->PercentComplete;
5774 * _scsih_task_set_full - handle task set full
5775 * @ioc: per adapter object
5776 * @fw_event: The fw_event_work object
5779 * Throttle back qdepth.
5782 _scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work
5785 unsigned long flags;
5786 struct _sas_device *sas_device;
5787 static struct _raid_device *raid_device;
5788 struct scsi_device *sdev;
5794 Mpi2EventDataTaskSetFull_t *event_data = fw_event->event_data;
5796 current_depth = le16_to_cpu(event_data->CurrentDepth);
5797 handle = le16_to_cpu(event_data->DevHandle);
5798 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5799 sas_device = _scsih_sas_device_find_by_handle(ioc, handle);
5801 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5804 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5805 id = sas_device->id;
5806 channel = sas_device->channel;
5807 sas_address = sas_device->sas_address;
5809 /* if hidden raid component, then change to volume characteristics */
5810 if (test_bit(handle, ioc->pd_handles) && sas_device->volume_handle) {
5811 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5812 raid_device = _scsih_raid_device_find_by_handle(
5813 ioc, sas_device->volume_handle);
5814 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
5816 id = raid_device->id;
5817 channel = raid_device->channel;
5818 handle = raid_device->handle;
5819 sas_address = raid_device->wwid;
5823 if (ioc->logging_level & MPT_DEBUG_TASK_SET_FULL)
5824 starget_printk(KERN_INFO, sas_device->starget, "task set "
5825 "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n",
5826 handle, (unsigned long long)sas_address, current_depth);
5828 shost_for_each_device(sdev, ioc->shost) {
5829 if (sdev->id == id && sdev->channel == channel) {
5830 if (current_depth > sdev->queue_depth) {
5831 if (ioc->logging_level &
5832 MPT_DEBUG_TASK_SET_FULL)
5833 sdev_printk(KERN_INFO, sdev, "strange "
5834 "observation, the queue depth is"
5835 " (%d) meanwhile fw queue depth "
5836 "is (%d)\n", sdev->queue_depth,
5840 depth = scsi_track_queue_full(sdev,
5843 sdev_printk(KERN_INFO, sdev, "Queue depth "
5844 "reduced to (%d)\n", depth);
5846 sdev_printk(KERN_INFO, sdev, "Tagged Command "
5847 "Queueing is being disabled\n");
5848 else if (depth == 0)
5849 if (ioc->logging_level &
5850 MPT_DEBUG_TASK_SET_FULL)
5851 sdev_printk(KERN_INFO, sdev,
5852 "Queue depth not changed yet\n");
5858 * _scsih_prep_device_scan - initialize parameters prior to device scan
5859 * @ioc: per adapter object
5861 * Set the deleted flag prior to device scan. If the device is found during
5862 * the scan, then we clear the deleted flag.
5865 _scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc)
5867 struct MPT2SAS_DEVICE *sas_device_priv_data;
5868 struct scsi_device *sdev;
5870 shost_for_each_device(sdev, ioc->shost) {
5871 sas_device_priv_data = sdev->hostdata;
5872 if (sas_device_priv_data && sas_device_priv_data->sas_target)
5873 sas_device_priv_data->sas_target->deleted = 1;
5878 * _scsih_mark_responding_sas_device - mark a sas_devices as responding
5879 * @ioc: per adapter object
5880 * @sas_address: sas address
5881 * @slot: enclosure slot id
5882 * @handle: device handle
5884 * After host reset, find out whether devices are still responding.
5885 * Used in _scsi_remove_unresponsive_sas_devices.
5890 _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
5891 u16 slot, u16 handle)
5893 struct MPT2SAS_TARGET *sas_target_priv_data;
5894 struct scsi_target *starget;
5895 struct _sas_device *sas_device;
5896 unsigned long flags;
5898 spin_lock_irqsave(&ioc->sas_device_lock, flags);
5899 list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
5900 if (sas_device->sas_address == sas_address &&
5901 sas_device->slot == slot && sas_device->starget) {
5902 sas_device->responding = 1;
5903 starget = sas_device->starget;
5904 if (starget && starget->hostdata) {
5905 sas_target_priv_data = starget->hostdata;
5906 sas_target_priv_data->tm_busy = 0;
5907 sas_target_priv_data->deleted = 0;
5909 sas_target_priv_data = NULL;
5910 starget_printk(KERN_INFO, sas_device->starget,
5911 "handle(0x%04x), sas_addr(0x%016llx), enclosure "
5912 "logical id(0x%016llx), slot(%d)\n", handle,
5913 (unsigned long long)sas_device->sas_address,
5914 (unsigned long long)
5915 sas_device->enclosure_logical_id,
5917 if (sas_device->handle == handle)
5919 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
5920 sas_device->handle);
5921 sas_device->handle = handle;
5922 if (sas_target_priv_data)
5923 sas_target_priv_data->handle = handle;
5928 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
5932 * _scsih_search_responding_sas_devices -
5933 * @ioc: per adapter object
5935 * After host reset, find out whether devices are still responding.
5941 _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
5943 Mpi2SasDevicePage0_t sas_device_pg0;
5944 Mpi2ConfigReply_t mpi_reply;
5951 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
5953 if (list_empty(&ioc->sas_device_list))
5957 while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply,
5958 &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE,
5960 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
5961 MPI2_IOCSTATUS_MASK;
5962 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
5964 handle = le16_to_cpu(sas_device_pg0.DevHandle);
5965 device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
5966 if (!(_scsih_is_end_device(device_info)))
5968 sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
5969 slot = le16_to_cpu(sas_device_pg0.Slot);
5970 _scsih_mark_responding_sas_device(ioc, sas_address, slot,
5976 * _scsih_mark_responding_raid_device - mark a raid_device as responding
5977 * @ioc: per adapter object
5978 * @wwid: world wide identifier for raid volume
5979 * @handle: device handle
5981 * After host reset, find out whether devices are still responding.
5982 * Used in _scsi_remove_unresponsive_raid_devices.
5987 _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid,
5990 struct MPT2SAS_TARGET *sas_target_priv_data;
5991 struct scsi_target *starget;
5992 struct _raid_device *raid_device;
5993 unsigned long flags;
5995 spin_lock_irqsave(&ioc->raid_device_lock, flags);
5996 list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
5997 if (raid_device->wwid == wwid && raid_device->starget) {
5998 starget = raid_device->starget;
5999 if (starget && starget->hostdata) {
6000 sas_target_priv_data = starget->hostdata;
6001 sas_target_priv_data->deleted = 0;
6003 sas_target_priv_data = NULL;
6004 raid_device->responding = 1;
6005 starget_printk(KERN_INFO, raid_device->starget,
6006 "handle(0x%04x), wwid(0x%016llx)\n", handle,
6007 (unsigned long long)raid_device->wwid);
6008 if (raid_device->handle == handle)
6010 printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n",
6011 raid_device->handle);
6012 raid_device->handle = handle;
6013 if (sas_target_priv_data)
6014 sas_target_priv_data->handle = handle;
6019 spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
6023 * _scsih_search_responding_raid_devices -
6024 * @ioc: per adapter object
6026 * After host reset, find out whether devices are still responding.
6032 _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc)
6034 Mpi2RaidVolPage1_t volume_pg1;
6035 Mpi2RaidVolPage0_t volume_pg0;
6036 Mpi2RaidPhysDiskPage0_t pd_pg0;
6037 Mpi2ConfigReply_t mpi_reply;
6042 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
6044 if (list_empty(&ioc->raid_device_list))
6048 while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
6049 &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) {
6050 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6051 MPI2_IOCSTATUS_MASK;
6052 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
6054 handle = le16_to_cpu(volume_pg1.DevHandle);
6056 if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply,
6057 &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle,
6058 sizeof(Mpi2RaidVolPage0_t)))
6061 if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL ||
6062 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE ||
6063 volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED)
6064 _scsih_mark_responding_raid_device(ioc,
6065 le64_to_cpu(volume_pg1.WWID), handle);
6068 /* refresh the pd_handles */
6069 phys_disk_num = 0xFF;
6070 memset(ioc->pd_handles, 0, ioc->pd_handles_sz);
6071 while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply,
6072 &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM,
6074 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6075 MPI2_IOCSTATUS_MASK;
6076 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
6078 phys_disk_num = pd_pg0.PhysDiskNum;
6079 handle = le16_to_cpu(pd_pg0.DevHandle);
6080 set_bit(handle, ioc->pd_handles);
6085 * _scsih_mark_responding_expander - mark a expander as responding
6086 * @ioc: per adapter object
6087 * @sas_address: sas address
6090 * After host reset, find out whether devices are still responding.
6091 * Used in _scsi_remove_unresponsive_expanders.
6096 _scsih_mark_responding_expander(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
6099 struct _sas_node *sas_expander;
6100 unsigned long flags;
6103 spin_lock_irqsave(&ioc->sas_node_lock, flags);
6104 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
6105 if (sas_expander->sas_address != sas_address)
6107 sas_expander->responding = 1;
6108 if (sas_expander->handle == handle)
6110 printk(KERN_INFO "\texpander(0x%016llx): handle changed"
6111 " from(0x%04x) to (0x%04x)!!!\n",
6112 (unsigned long long)sas_expander->sas_address,
6113 sas_expander->handle, handle);
6114 sas_expander->handle = handle;
6115 for (i = 0 ; i < sas_expander->num_phys ; i++)
6116 sas_expander->phy[i].handle = handle;
6120 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
6124 * _scsih_search_responding_expanders -
6125 * @ioc: per adapter object
6127 * After host reset, find out whether devices are still responding.
6133 _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc)
6135 Mpi2ExpanderPage0_t expander_pg0;
6136 Mpi2ConfigReply_t mpi_reply;
6141 printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__);
6143 if (list_empty(&ioc->sas_expander_list))
6147 while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0,
6148 MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) {
6150 ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
6151 MPI2_IOCSTATUS_MASK;
6152 if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE)
6155 handle = le16_to_cpu(expander_pg0.DevHandle);
6156 sas_address = le64_to_cpu(expander_pg0.SASAddress);
6157 printk(KERN_INFO "\texpander present: handle(0x%04x), "
6158 "sas_addr(0x%016llx)\n", handle,
6159 (unsigned long long)sas_address);
6160 _scsih_mark_responding_expander(ioc, sas_address, handle);
6166 * _scsih_remove_unresponding_sas_devices - removing unresponding devices
6167 * @ioc: per adapter object
6172 _scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc)
6174 struct _sas_device *sas_device, *sas_device_next;
6175 struct _sas_node *sas_expander;
6176 struct _raid_device *raid_device, *raid_device_next;
6179 list_for_each_entry_safe(sas_device, sas_device_next,
6180 &ioc->sas_device_list, list) {
6181 if (sas_device->responding) {
6182 sas_device->responding = 0;
6185 if (sas_device->starget)
6186 starget_printk(KERN_INFO, sas_device->starget,
6187 "removing: handle(0x%04x), sas_addr(0x%016llx), "
6188 "enclosure logical id(0x%016llx), slot(%d)\n",
6190 (unsigned long long)sas_device->sas_address,
6191 (unsigned long long)
6192 sas_device->enclosure_logical_id,
6194 _scsih_remove_device(ioc, sas_device);
6197 list_for_each_entry_safe(raid_device, raid_device_next,
6198 &ioc->raid_device_list, list) {
6199 if (raid_device->responding) {
6200 raid_device->responding = 0;
6203 if (raid_device->starget) {
6204 starget_printk(KERN_INFO, raid_device->starget,
6205 "removing: handle(0x%04x), wwid(0x%016llx)\n",
6206 raid_device->handle,
6207 (unsigned long long)raid_device->wwid);
6208 scsi_remove_target(&raid_device->starget->dev);
6210 _scsih_raid_device_remove(ioc, raid_device);
6213 retry_expander_search:
6214 sas_expander = NULL;
6215 list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) {
6216 if (sas_expander->responding) {
6217 sas_expander->responding = 0;
6220 _scsih_expander_remove(ioc, sas_expander->sas_address);
6221 goto retry_expander_search;
6226 * mpt2sas_scsih_reset_handler - reset callback handler (for scsih)
6227 * @ioc: per adapter object
6228 * @reset_phase: phase
6230 * The handler for doing any required cleanup or initialization.
6232 * The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
6233 * MPT2_IOC_DONE_RESET
6238 mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
6240 switch (reset_phase) {
6241 case MPT2_IOC_PRE_RESET:
6242 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
6243 "MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
6245 case MPT2_IOC_AFTER_RESET:
6246 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
6247 "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
6248 if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) {
6249 ioc->scsih_cmds.status |= MPT2_CMD_RESET;
6250 mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid);
6251 complete(&ioc->scsih_cmds.done);
6253 if (ioc->tm_cmds.status & MPT2_CMD_PENDING) {
6254 ioc->tm_cmds.status |= MPT2_CMD_RESET;
6255 mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid);
6256 complete(&ioc->tm_cmds.done);
6258 _scsih_fw_event_cleanup_queue(ioc);
6259 _scsih_flush_running_cmds(ioc);
6260 _scsih_queue_rescan(ioc);
6262 case MPT2_IOC_DONE_RESET:
6263 dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
6264 "MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
6265 _scsih_sas_host_refresh(ioc);
6266 _scsih_prep_device_scan(ioc);
6267 _scsih_search_responding_sas_devices(ioc);
6268 _scsih_search_responding_raid_devices(ioc);
6269 _scsih_search_responding_expanders(ioc);
6275 * _firmware_event_work - delayed task for processing firmware events
6276 * @ioc: per adapter object
6277 * @work: equal to the fw_event_work object
6283 _firmware_event_work(struct work_struct *work)
6285 struct fw_event_work *fw_event = container_of(work,
6286 struct fw_event_work, delayed_work.work);
6287 unsigned long flags;
6288 struct MPT2SAS_ADAPTER *ioc = fw_event->ioc;
6290 /* the queue is being flushed so ignore this event */
6291 if (ioc->remove_host || fw_event->cancel_pending_work ||
6292 ioc->pci_error_recovery) {
6293 _scsih_fw_event_free(ioc, fw_event);
6297 if (fw_event->event == MPT2SAS_RESCAN_AFTER_HOST_RESET) {
6298 _scsih_fw_event_free(ioc, fw_event);
6299 spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags);
6300 if (ioc->shost_recovery) {
6301 init_completion(&ioc->shost_recovery_done);
6302 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
6304 wait_for_completion(&ioc->shost_recovery_done);
6306 spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock,
6308 _scsih_remove_unresponding_sas_devices(ioc);
6312 switch (fw_event->event) {
6313 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
6314 _scsih_sas_topology_change_event(ioc, fw_event);
6316 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
6317 _scsih_sas_device_status_change_event(ioc,
6320 case MPI2_EVENT_SAS_DISCOVERY:
6321 _scsih_sas_discovery_event(ioc,
6324 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
6325 _scsih_sas_broadcast_primative_event(ioc,
6328 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
6329 _scsih_sas_enclosure_dev_status_change_event(ioc,
6332 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
6333 _scsih_sas_ir_config_change_event(ioc, fw_event);
6335 case MPI2_EVENT_IR_VOLUME:
6336 _scsih_sas_ir_volume_event(ioc, fw_event);
6338 case MPI2_EVENT_IR_PHYSICAL_DISK:
6339 _scsih_sas_ir_physical_disk_event(ioc, fw_event);
6341 case MPI2_EVENT_IR_OPERATION_STATUS:
6342 _scsih_sas_ir_operation_status_event(ioc, fw_event);
6344 case MPI2_EVENT_TASK_SET_FULL:
6345 _scsih_task_set_full(ioc, fw_event);
6348 _scsih_fw_event_free(ioc, fw_event);
6352 * mpt2sas_scsih_event_callback - firmware event handler (called at ISR time)
6353 * @ioc: per adapter object
6354 * @msix_index: MSIX table index supplied by the OS
6355 * @reply: reply message frame(lower 32bit addr)
6356 * Context: interrupt.
6358 * This function merely adds a new work task into ioc->firmware_event_thread.
6359 * The tasks are worked from _firmware_event_work in user context.
6361 * Return 1 meaning mf should be freed from _base_interrupt
6362 * 0 means the mf is freed from this function.
6365 mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
6368 struct fw_event_work *fw_event;
6369 Mpi2EventNotificationReply_t *mpi_reply;
6373 /* events turned off due to host reset or driver unloading */
6374 if (ioc->remove_host || ioc->pci_error_recovery)
6377 mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
6378 event = le16_to_cpu(mpi_reply->Event);
6382 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
6384 Mpi2EventDataSasBroadcastPrimitive_t *baen_data =
6385 (Mpi2EventDataSasBroadcastPrimitive_t *)
6386 mpi_reply->EventData;
6388 if (baen_data->Primitive !=
6389 MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT ||
6390 ioc->broadcast_aen_busy)
6392 ioc->broadcast_aen_busy = 1;
6396 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
6397 _scsih_check_topo_delete_events(ioc,
6398 (Mpi2EventDataSasTopologyChangeList_t *)
6399 mpi_reply->EventData);
6401 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
6402 _scsih_check_ir_config_unhide_events(ioc,
6403 (Mpi2EventDataIrConfigChangeList_t *)
6404 mpi_reply->EventData);
6406 case MPI2_EVENT_IR_VOLUME:
6407 _scsih_check_volume_delete_events(ioc,
6408 (Mpi2EventDataIrVolume_t *)
6409 mpi_reply->EventData);
6411 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
6412 case MPI2_EVENT_IR_OPERATION_STATUS:
6413 case MPI2_EVENT_SAS_DISCOVERY:
6414 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
6415 case MPI2_EVENT_IR_PHYSICAL_DISK:
6416 case MPI2_EVENT_TASK_SET_FULL:
6419 default: /* ignore the rest */
6423 fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC);
6425 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6426 ioc->name, __FILE__, __LINE__, __func__);
6429 sz = le16_to_cpu(mpi_reply->EventDataLength) * 4;
6430 fw_event->event_data = kzalloc(sz, GFP_ATOMIC);
6431 if (!fw_event->event_data) {
6432 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6433 ioc->name, __FILE__, __LINE__, __func__);
6438 memcpy(fw_event->event_data, mpi_reply->EventData,
6440 fw_event->ioc = ioc;
6441 fw_event->VF_ID = mpi_reply->VF_ID;
6442 fw_event->VP_ID = mpi_reply->VP_ID;
6443 fw_event->event = event;
6444 _scsih_fw_event_add(ioc, fw_event);
6448 /* shost template */
6449 static struct scsi_host_template scsih_driver_template = {
6450 .module = THIS_MODULE,
6451 .name = "Fusion MPT SAS Host",
6452 .proc_name = MPT2SAS_DRIVER_NAME,
6453 .queuecommand = _scsih_qcmd,
6454 .target_alloc = _scsih_target_alloc,
6455 .slave_alloc = _scsih_slave_alloc,
6456 .slave_configure = _scsih_slave_configure,
6457 .target_destroy = _scsih_target_destroy,
6458 .slave_destroy = _scsih_slave_destroy,
6459 .change_queue_depth = _scsih_change_queue_depth,
6460 .change_queue_type = _scsih_change_queue_type,
6461 .eh_abort_handler = _scsih_abort,
6462 .eh_device_reset_handler = _scsih_dev_reset,
6463 .eh_target_reset_handler = _scsih_target_reset,
6464 .eh_host_reset_handler = _scsih_host_reset,
6465 .bios_param = _scsih_bios_param,
6468 .sg_tablesize = MPT2SAS_SG_DEPTH,
6469 .max_sectors = 8192,
6471 .use_clustering = ENABLE_CLUSTERING,
6472 .shost_attrs = mpt2sas_host_attrs,
6473 .sdev_attrs = mpt2sas_dev_attrs,
6477 * _scsih_expander_node_remove - removing expander device from list.
6478 * @ioc: per adapter object
6479 * @sas_expander: the sas_device object
6480 * Context: Calling function should acquire ioc->sas_node_lock.
6482 * Removing object and freeing associated memory from the
6483 * ioc->sas_expander_list.
6488 _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc,
6489 struct _sas_node *sas_expander)
6491 struct _sas_port *mpt2sas_port;
6492 struct _sas_device *sas_device;
6493 struct _sas_node *expander_sibling;
6494 unsigned long flags;
6499 /* remove sibling ports attached to this expander */
6500 retry_device_search:
6501 list_for_each_entry(mpt2sas_port,
6502 &sas_expander->sas_port_list, port_list) {
6503 if (mpt2sas_port->remote_identify.device_type ==
6505 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6507 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
6508 mpt2sas_port->remote_identify.sas_address);
6509 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6512 _scsih_remove_device(ioc, sas_device);
6513 if (ioc->shost_recovery)
6515 goto retry_device_search;
6519 retry_expander_search:
6520 list_for_each_entry(mpt2sas_port,
6521 &sas_expander->sas_port_list, port_list) {
6523 if (mpt2sas_port->remote_identify.device_type ==
6524 MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
6525 mpt2sas_port->remote_identify.device_type ==
6526 MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) {
6528 spin_lock_irqsave(&ioc->sas_node_lock, flags);
6530 mpt2sas_scsih_expander_find_by_sas_address(
6531 ioc, mpt2sas_port->remote_identify.sas_address);
6532 spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
6533 if (!expander_sibling)
6535 _scsih_expander_remove(ioc,
6536 expander_sibling->sas_address);
6537 if (ioc->shost_recovery)
6539 goto retry_expander_search;
6543 mpt2sas_transport_port_remove(ioc, sas_expander->sas_address,
6544 sas_expander->sas_address_parent);
6546 printk(MPT2SAS_INFO_FMT "expander_remove: handle"
6547 "(0x%04x), sas_addr(0x%016llx)\n", ioc->name,
6548 sas_expander->handle, (unsigned long long)
6549 sas_expander->sas_address);
6551 list_del(&sas_expander->list);
6552 kfree(sas_expander->phy);
6553 kfree(sas_expander);
6557 * _scsih_ir_shutdown - IR shutdown notification
6558 * @ioc: per adapter object
6560 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
6561 * the host system is shutting down.
6566 _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc)
6568 Mpi2RaidActionRequest_t *mpi_request;
6569 Mpi2RaidActionReply_t *mpi_reply;
6572 /* is IR firmware build loaded ? */
6573 if (!ioc->ir_firmware)
6576 /* are there any volumes ? */
6577 if (list_empty(&ioc->raid_device_list))
6580 mutex_lock(&ioc->scsih_cmds.mutex);
6582 if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) {
6583 printk(MPT2SAS_ERR_FMT "%s: scsih_cmd in use\n",
6584 ioc->name, __func__);
6587 ioc->scsih_cmds.status = MPT2_CMD_PENDING;
6589 smid = mpt2sas_base_get_smid(ioc, ioc->scsih_cb_idx);
6591 printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
6592 ioc->name, __func__);
6593 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
6597 mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
6598 ioc->scsih_cmds.smid = smid;
6599 memset(mpi_request, 0, sizeof(Mpi2RaidActionRequest_t));
6601 mpi_request->Function = MPI2_FUNCTION_RAID_ACTION;
6602 mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
6604 printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name);
6605 init_completion(&ioc->scsih_cmds.done);
6606 mpt2sas_base_put_smid_default(ioc, smid);
6607 wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ);
6609 if (!(ioc->scsih_cmds.status & MPT2_CMD_COMPLETE)) {
6610 printk(MPT2SAS_ERR_FMT "%s: timeout\n",
6611 ioc->name, __func__);
6615 if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) {
6616 mpi_reply = ioc->scsih_cmds.reply;
6618 printk(MPT2SAS_INFO_FMT "IR shutdown (complete): "
6619 "ioc_status(0x%04x), loginfo(0x%08x)\n",
6620 ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
6621 le32_to_cpu(mpi_reply->IOCLogInfo));
6625 ioc->scsih_cmds.status = MPT2_CMD_NOT_USED;
6626 mutex_unlock(&ioc->scsih_cmds.mutex);
6630 * _scsih_shutdown - routine call during system shutdown
6631 * @pdev: PCI device struct
6636 _scsih_shutdown(struct pci_dev *pdev)
6638 struct Scsi_Host *shost = pci_get_drvdata(pdev);
6639 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
6640 struct workqueue_struct *wq;
6641 unsigned long flags;
6643 ioc->remove_host = 1;
6644 _scsih_fw_event_cleanup_queue(ioc);
6646 spin_lock_irqsave(&ioc->fw_event_lock, flags);
6647 wq = ioc->firmware_event_thread;
6648 ioc->firmware_event_thread = NULL;
6649 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
6651 destroy_workqueue(wq);
6653 _scsih_ir_shutdown(ioc);
6654 mpt2sas_base_detach(ioc);
6658 * _scsih_remove - detach and remove add host
6659 * @pdev: PCI device struct
6661 * Routine called when unloading the driver.
6664 static void __devexit
6665 _scsih_remove(struct pci_dev *pdev)
6667 struct Scsi_Host *shost = pci_get_drvdata(pdev);
6668 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
6669 struct _sas_port *mpt2sas_port;
6670 struct _sas_device *sas_device;
6671 struct _sas_node *expander_sibling;
6672 struct _raid_device *raid_device, *next;
6673 struct MPT2SAS_TARGET *sas_target_priv_data;
6674 struct workqueue_struct *wq;
6675 unsigned long flags;
6677 ioc->remove_host = 1;
6678 _scsih_fw_event_cleanup_queue(ioc);
6680 spin_lock_irqsave(&ioc->fw_event_lock, flags);
6681 wq = ioc->firmware_event_thread;
6682 ioc->firmware_event_thread = NULL;
6683 spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
6685 destroy_workqueue(wq);
6687 /* release all the volumes */
6688 list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list,
6690 if (raid_device->starget) {
6691 sas_target_priv_data =
6692 raid_device->starget->hostdata;
6693 sas_target_priv_data->deleted = 1;
6694 scsi_remove_target(&raid_device->starget->dev);
6696 printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid"
6697 "(0x%016llx)\n", ioc->name, raid_device->handle,
6698 (unsigned long long) raid_device->wwid);
6699 _scsih_raid_device_remove(ioc, raid_device);
6702 /* free ports attached to the sas_host */
6704 list_for_each_entry(mpt2sas_port,
6705 &ioc->sas_hba.sas_port_list, port_list) {
6706 if (mpt2sas_port->remote_identify.device_type ==
6709 mpt2sas_scsih_sas_device_find_by_sas_address(ioc,
6710 mpt2sas_port->remote_identify.sas_address);
6712 _scsih_remove_device(ioc, sas_device);
6717 mpt2sas_scsih_expander_find_by_sas_address(ioc,
6718 mpt2sas_port->remote_identify.sas_address);
6719 if (expander_sibling) {
6720 _scsih_expander_remove(ioc,
6721 expander_sibling->sas_address);
6727 /* free phys attached to the sas_host */
6728 if (ioc->sas_hba.num_phys) {
6729 kfree(ioc->sas_hba.phy);
6730 ioc->sas_hba.phy = NULL;
6731 ioc->sas_hba.num_phys = 0;
6734 sas_remove_host(shost);
6735 _scsih_shutdown(pdev);
6736 list_del(&ioc->list);
6737 scsi_remove_host(shost);
6738 scsi_host_put(shost);
6742 * _scsih_probe_boot_devices - reports 1st device
6743 * @ioc: per adapter object
6745 * If specified in bios page 2, this routine reports the 1st
6746 * device scsi-ml or sas transport for persistent boot device
6747 * purposes. Please refer to function _scsih_determine_boot_device()
6750 _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc)
6754 struct _sas_device *sas_device;
6755 struct _raid_device *raid_device;
6757 u64 sas_address_parent;
6759 unsigned long flags;
6763 if (ioc->req_boot_device.device) {
6764 device = ioc->req_boot_device.device;
6765 is_raid = ioc->req_boot_device.is_raid;
6766 } else if (ioc->req_alt_boot_device.device) {
6767 device = ioc->req_alt_boot_device.device;
6768 is_raid = ioc->req_alt_boot_device.is_raid;
6769 } else if (ioc->current_boot_device.device) {
6770 device = ioc->current_boot_device.device;
6771 is_raid = ioc->current_boot_device.is_raid;
6778 raid_device = device;
6779 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6780 raid_device->id, 0);
6782 _scsih_raid_device_remove(ioc, raid_device);
6784 sas_device = device;
6785 handle = sas_device->handle;
6786 sas_address_parent = sas_device->sas_address_parent;
6787 sas_address = sas_device->sas_address;
6788 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6789 list_move_tail(&sas_device->list, &ioc->sas_device_list);
6790 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6791 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
6792 sas_device->sas_address_parent)) {
6793 _scsih_sas_device_remove(ioc, sas_device);
6794 } else if (!sas_device->starget) {
6795 mpt2sas_transport_port_remove(ioc, sas_address,
6796 sas_address_parent);
6797 _scsih_sas_device_remove(ioc, sas_device);
6803 * _scsih_probe_raid - reporting raid volumes to scsi-ml
6804 * @ioc: per adapter object
6806 * Called during initial loading of the driver.
6809 _scsih_probe_raid(struct MPT2SAS_ADAPTER *ioc)
6811 struct _raid_device *raid_device, *raid_next;
6814 list_for_each_entry_safe(raid_device, raid_next,
6815 &ioc->raid_device_list, list) {
6816 if (raid_device->starget)
6818 rc = scsi_add_device(ioc->shost, RAID_CHANNEL,
6819 raid_device->id, 0);
6821 _scsih_raid_device_remove(ioc, raid_device);
6826 * _scsih_probe_sas - reporting sas devices to sas transport
6827 * @ioc: per adapter object
6829 * Called during initial loading of the driver.
6832 _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc)
6834 struct _sas_device *sas_device, *next;
6835 unsigned long flags;
6837 /* SAS Device List */
6838 list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list,
6840 spin_lock_irqsave(&ioc->sas_device_lock, flags);
6841 list_move_tail(&sas_device->list, &ioc->sas_device_list);
6842 spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
6844 if (!mpt2sas_transport_port_add(ioc, sas_device->handle,
6845 sas_device->sas_address_parent)) {
6846 _scsih_sas_device_remove(ioc, sas_device);
6847 } else if (!sas_device->starget) {
6848 mpt2sas_transport_port_remove(ioc,
6849 sas_device->sas_address,
6850 sas_device->sas_address_parent);
6851 _scsih_sas_device_remove(ioc, sas_device);
6857 * _scsih_probe_devices - probing for devices
6858 * @ioc: per adapter object
6860 * Called during initial loading of the driver.
6863 _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc)
6865 u16 volume_mapping_flags =
6866 le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) &
6867 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
6869 if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR))
6870 return; /* return when IOC doesn't support initiator mode */
6872 _scsih_probe_boot_devices(ioc);
6874 if (ioc->ir_firmware) {
6875 if ((volume_mapping_flags &
6876 MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) {
6877 _scsih_probe_sas(ioc);
6878 _scsih_probe_raid(ioc);
6880 _scsih_probe_raid(ioc);
6881 _scsih_probe_sas(ioc);
6884 _scsih_probe_sas(ioc);
6888 * _scsih_probe - attach and add scsi host
6889 * @pdev: PCI device struct
6890 * @id: pci device id
6892 * Returns 0 success, anything else error.
6895 _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
6897 struct MPT2SAS_ADAPTER *ioc;
6898 struct Scsi_Host *shost;
6900 shost = scsi_host_alloc(&scsih_driver_template,
6901 sizeof(struct MPT2SAS_ADAPTER));
6905 /* init local params */
6906 ioc = shost_priv(shost);
6907 memset(ioc, 0, sizeof(struct MPT2SAS_ADAPTER));
6908 INIT_LIST_HEAD(&ioc->list);
6909 list_add_tail(&ioc->list, &mpt2sas_ioc_list);
6911 ioc->id = mpt_ids++;
6912 sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id);
6914 ioc->scsi_io_cb_idx = scsi_io_cb_idx;
6915 ioc->tm_cb_idx = tm_cb_idx;
6916 ioc->ctl_cb_idx = ctl_cb_idx;
6917 ioc->base_cb_idx = base_cb_idx;
6918 ioc->transport_cb_idx = transport_cb_idx;
6919 ioc->scsih_cb_idx = scsih_cb_idx;
6920 ioc->config_cb_idx = config_cb_idx;
6921 ioc->tm_tr_cb_idx = tm_tr_cb_idx;
6922 ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx;
6923 ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx;
6924 ioc->logging_level = logging_level;
6925 /* misc semaphores and spin locks */
6926 mutex_init(&ioc->reset_in_progress_mutex);
6927 spin_lock_init(&ioc->ioc_reset_in_progress_lock);
6928 spin_lock_init(&ioc->scsi_lookup_lock);
6929 spin_lock_init(&ioc->sas_device_lock);
6930 spin_lock_init(&ioc->sas_node_lock);
6931 spin_lock_init(&ioc->fw_event_lock);
6932 spin_lock_init(&ioc->raid_device_lock);
6934 INIT_LIST_HEAD(&ioc->sas_device_list);
6935 INIT_LIST_HEAD(&ioc->sas_device_init_list);
6936 INIT_LIST_HEAD(&ioc->sas_expander_list);
6937 INIT_LIST_HEAD(&ioc->fw_event_list);
6938 INIT_LIST_HEAD(&ioc->raid_device_list);
6939 INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list);
6940 INIT_LIST_HEAD(&ioc->delayed_tr_list);
6941 INIT_LIST_HEAD(&ioc->delayed_tr_volume_list);
6943 /* init shost parameters */
6944 shost->max_cmd_len = 32;
6945 shost->max_lun = max_lun;
6946 shost->transportt = mpt2sas_transport_template;
6947 shost->unique_id = ioc->id;
6949 if ((scsi_add_host(shost, &pdev->dev))) {
6950 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6951 ioc->name, __FILE__, __LINE__, __func__);
6952 list_del(&ioc->list);
6953 goto out_add_shost_fail;
6956 scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
6957 | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION);
6958 scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
6961 snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name),
6962 "fw_event%d", ioc->id);
6963 ioc->firmware_event_thread = create_singlethread_workqueue(
6964 ioc->firmware_event_name);
6965 if (!ioc->firmware_event_thread) {
6966 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6967 ioc->name, __FILE__, __LINE__, __func__);
6968 goto out_thread_fail;
6971 ioc->wait_for_port_enable_to_complete = 1;
6972 if ((mpt2sas_base_attach(ioc))) {
6973 printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
6974 ioc->name, __FILE__, __LINE__, __func__);
6975 goto out_attach_fail;
6978 ioc->wait_for_port_enable_to_complete = 0;
6979 _scsih_probe_devices(ioc);
6983 destroy_workqueue(ioc->firmware_event_thread);
6985 list_del(&ioc->list);
6986 scsi_remove_host(shost);
6993 * _scsih_suspend - power management suspend main entry point
6994 * @pdev: PCI device struct
6995 * @state: PM state change to (usually PCI_D3)
6997 * Returns 0 success, anything else error.
7000 _scsih_suspend(struct pci_dev *pdev, pm_message_t state)
7002 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7003 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7006 mpt2sas_base_stop_watchdog(ioc);
7007 flush_scheduled_work();
7008 scsi_block_requests(shost);
7009 device_state = pci_choose_state(pdev, state);
7010 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering "
7011 "operating state [D%d]\n", ioc->name, pdev,
7012 pci_name(pdev), device_state);
7014 mpt2sas_base_free_resources(ioc);
7015 pci_save_state(pdev);
7016 pci_disable_device(pdev);
7017 pci_set_power_state(pdev, device_state);
7022 * _scsih_resume - power management resume main entry point
7023 * @pdev: PCI device struct
7025 * Returns 0 success, anything else error.
7028 _scsih_resume(struct pci_dev *pdev)
7030 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7031 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7032 u32 device_state = pdev->current_state;
7035 printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous "
7036 "operating state [D%d]\n", ioc->name, pdev,
7037 pci_name(pdev), device_state);
7039 pci_set_power_state(pdev, PCI_D0);
7040 pci_enable_wake(pdev, PCI_D0, 0);
7041 pci_restore_state(pdev);
7043 r = mpt2sas_base_map_resources(ioc);
7047 mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, SOFT_RESET);
7048 scsi_unblock_requests(shost);
7049 mpt2sas_base_start_watchdog(ioc);
7052 #endif /* CONFIG_PM */
7055 * _scsih_pci_error_detected - Called when a PCI error is detected.
7056 * @pdev: PCI device struct
7057 * @state: PCI channel state
7059 * Description: Called when a PCI error is detected.
7062 * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT
7064 static pci_ers_result_t
7065 _scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
7067 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7068 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7070 printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n",
7074 case pci_channel_io_normal:
7075 return PCI_ERS_RESULT_CAN_RECOVER;
7076 case pci_channel_io_frozen:
7077 /* Fatal error, prepare for slot reset */
7078 ioc->pci_error_recovery = 1;
7079 scsi_block_requests(ioc->shost);
7080 mpt2sas_base_stop_watchdog(ioc);
7081 mpt2sas_base_free_resources(ioc);
7082 return PCI_ERS_RESULT_NEED_RESET;
7083 case pci_channel_io_perm_failure:
7084 /* Permanent error, prepare for device removal */
7085 ioc->pci_error_recovery = 1;
7086 mpt2sas_base_stop_watchdog(ioc);
7087 _scsih_flush_running_cmds(ioc);
7088 return PCI_ERS_RESULT_DISCONNECT;
7090 return PCI_ERS_RESULT_NEED_RESET;
7094 * _scsih_pci_slot_reset - Called when PCI slot has been reset.
7095 * @pdev: PCI device struct
7097 * Description: This routine is called by the pci error recovery
7098 * code after the PCI slot has been reset, just before we
7099 * should resume normal operations.
7101 static pci_ers_result_t
7102 _scsih_pci_slot_reset(struct pci_dev *pdev)
7104 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7105 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7108 printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n",
7111 ioc->pci_error_recovery = 0;
7113 pci_restore_state(pdev);
7114 rc = mpt2sas_base_map_resources(ioc);
7116 return PCI_ERS_RESULT_DISCONNECT;
7119 rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
7122 printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name,
7123 (rc == 0) ? "success" : "failed");
7126 return PCI_ERS_RESULT_RECOVERED;
7128 return PCI_ERS_RESULT_DISCONNECT;
7132 * _scsih_pci_resume() - resume normal ops after PCI reset
7133 * @pdev: pointer to PCI device
7135 * Called when the error recovery driver tells us that its
7136 * OK to resume normal operation. Use completion to allow
7137 * halted scsi ops to resume.
7140 _scsih_pci_resume(struct pci_dev *pdev)
7142 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7143 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7145 printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name);
7147 pci_cleanup_aer_uncorrect_error_status(pdev);
7148 mpt2sas_base_start_watchdog(ioc);
7149 scsi_unblock_requests(ioc->shost);
7153 * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers
7154 * @pdev: pointer to PCI device
7156 static pci_ers_result_t
7157 _scsih_pci_mmio_enabled(struct pci_dev *pdev)
7159 struct Scsi_Host *shost = pci_get_drvdata(pdev);
7160 struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
7162 printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n",
7165 /* TODO - dump whatever for debugging purposes */
7167 /* Request a slot reset. */
7168 return PCI_ERS_RESULT_NEED_RESET;
7171 static struct pci_error_handlers _scsih_err_handler = {
7172 .error_detected = _scsih_pci_error_detected,
7173 .mmio_enabled = _scsih_pci_mmio_enabled,
7174 .slot_reset = _scsih_pci_slot_reset,
7175 .resume = _scsih_pci_resume,
7178 static struct pci_driver scsih_driver = {
7179 .name = MPT2SAS_DRIVER_NAME,
7180 .id_table = scsih_pci_table,
7181 .probe = _scsih_probe,
7182 .remove = __devexit_p(_scsih_remove),
7183 .shutdown = _scsih_shutdown,
7184 .err_handler = &_scsih_err_handler,
7186 .suspend = _scsih_suspend,
7187 .resume = _scsih_resume,
7191 /* raid transport support */
7192 static struct raid_function_template mpt2sas_raid_functions = {
7193 .cookie = &scsih_driver_template,
7194 .is_raid = _scsih_is_raid,
7195 .get_resync = _scsih_get_resync,
7196 .get_state = _scsih_get_state,
7200 * _scsih_init - main entry point for this driver.
7202 * Returns 0 success, anything else error.
7210 printk(KERN_INFO "%s version %s loaded\n", MPT2SAS_DRIVER_NAME,
7211 MPT2SAS_DRIVER_VERSION);
7213 mpt2sas_transport_template =
7214 sas_attach_transport(&mpt2sas_transport_functions);
7215 if (!mpt2sas_transport_template)
7217 /* raid transport support */
7218 mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions);
7219 if (!mpt2sas_raid_template) {
7220 sas_release_transport(mpt2sas_transport_template);
7224 mpt2sas_base_initialize_callback_handler();
7226 /* queuecommand callback hander */
7227 scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done);
7229 /* task management callback handler */
7230 tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done);
7232 /* base internal commands callback handler */
7233 base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done);
7235 /* transport internal commands callback handler */
7236 transport_cb_idx = mpt2sas_base_register_callback_handler(
7237 mpt2sas_transport_done);
7239 /* scsih internal commands callback handler */
7240 scsih_cb_idx = mpt2sas_base_register_callback_handler(_scsih_done);
7242 /* configuration page API internal commands callback handler */
7243 config_cb_idx = mpt2sas_base_register_callback_handler(
7244 mpt2sas_config_done);
7246 /* ctl module callback handler */
7247 ctl_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_ctl_done);
7249 tm_tr_cb_idx = mpt2sas_base_register_callback_handler(
7250 _scsih_tm_tr_complete);
7252 tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler(
7253 _scsih_tm_volume_tr_complete);
7255 tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler(
7256 _scsih_sas_control_complete);
7260 error = pci_register_driver(&scsih_driver);
7262 /* raid transport support */
7263 raid_class_release(mpt2sas_raid_template);
7264 sas_release_transport(mpt2sas_transport_template);
7271 * _scsih_exit - exit point for this driver (when it is a module).
7273 * Returns 0 success, anything else error.
7278 printk(KERN_INFO "mpt2sas version %s unloading\n",
7279 MPT2SAS_DRIVER_VERSION);
7281 pci_unregister_driver(&scsih_driver);
7285 mpt2sas_base_release_callback_handler(scsi_io_cb_idx);
7286 mpt2sas_base_release_callback_handler(tm_cb_idx);
7287 mpt2sas_base_release_callback_handler(base_cb_idx);
7288 mpt2sas_base_release_callback_handler(transport_cb_idx);
7289 mpt2sas_base_release_callback_handler(scsih_cb_idx);
7290 mpt2sas_base_release_callback_handler(config_cb_idx);
7291 mpt2sas_base_release_callback_handler(ctl_cb_idx);
7293 mpt2sas_base_release_callback_handler(tm_tr_cb_idx);
7294 mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx);
7295 mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx);
7297 /* raid transport support */
7298 raid_class_release(mpt2sas_raid_template);
7299 sas_release_transport(mpt2sas_transport_template);
7303 module_init(_scsih_init);
7304 module_exit(_scsih_exit);